CN105253020B - A kind of control method of electric automobile multifunctional combination instrument - Google Patents
A kind of control method of electric automobile multifunctional combination instrument Download PDFInfo
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- CN105253020B CN105253020B CN201510753335.5A CN201510753335A CN105253020B CN 105253020 B CN105253020 B CN 105253020B CN 201510753335 A CN201510753335 A CN 201510753335A CN 105253020 B CN105253020 B CN 105253020B
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Abstract
The present invention relates to automobile instrument technical field, and in particular to a kind of control method of electric automobile multifunctional combination instrument.Battery electric quantity surplus value is sent to vehicle multiple-energy-source control unit by the electrokinetic cell control unit of vehicle by CAN lines in real time, speed variable quantity that the vehicle multiple-energy-source control unit is accumulated by gathering in setting time, throttle variable quantity information, calculate in real time and correct current energy consumption, be converted into residue can continual mileage, transmitted by CAN lines to instrument display output.Instrument can be while the power battery charged dump energy state of main energy sources and battery temperature be indicated to driver, the also much information such as display electric automobile speed in the process of running, gear, motor status, remaining mileage, the system failure, light status in real time.Driver is set to understand each part running status of electric automobile more in time, more intuitively, it is ensured that the traffic safety of driver.
Description
Technical field
The present invention relates to automobile instrument technical field, and in particular to a kind of controlling party of electric automobile multifunctional combination instrument
Method.
Background technology
New-energy automobile has progressively come into huge numbers of families at present, and for pure electric automobile, even more such as emerge rapidly in large numbersBamboo shoots after a spring rain
As development it is swift and violent, being easily accepted by a user gradually, substitute the status of conventional gasoline car.To make driver more timely, more real-time
Recognize the state of vehicle, and the every terms of information in running, especially speed gear, the state of dynamo battery, failure
State, driver is judged within the shortest time, hinge and center of the combination instrument as whole vehicle information, be to driving
Person most intuitively visually embodies, and is one of essential part of every chassis, and the information that the instrument of traditional electric automobile is shown
Still very little.
The content of the invention
In order to solve the above technical problems, the invention provides a kind of more work(of electric automobile for making instrument show more information
The control method of energy combination instrument.
The technical scheme is that：The electrokinetic cell control unit of vehicle is remaining by battery electric quantity by CAN lines in real time
Value is sent to vehicle multiple-energy-source control unit, the speed that the vehicle multiple-energy-source control unit accumulates by gathering in setting time
Variable quantity, throttle variable quantity information, calculate in real time and correct current energy consumption, be converted into residue can continual mileage, passed by CAN lines
Transport to instrument display output.
Further, the car running computer of vehicle obtains the battery temperature of electrokinetic cell control unit by CAN lines, changes into
Battery temperature value is transmitted to instrument display output.
Further, instrument viewing area includes travel condition of vehicle viewing area, battery temperature viewing area, remaining battery electricity
Measure viewing area, power of motor viewing area and failure, information of vehicles highlight；
The car running computer obtains the battery electric quantity of electrokinetic cell control unit by CAN lines, and the battery electric quantity is converted
Exported after into battery electric quantity surplus value to battery dump energy viewing area；
The car running computer obtains the motor realtime power of motor control unit by CAN lines, is converted into motor work(
Rate value is exported to power of motor viewing area；
The car running computer obtains the GES and shelves of anti-blocking brake system and gear box control unit by CAN lines
Position signal, change into vehicle speed value and gear information, with residue can continual mileage export together to travel condition of vehicle viewing area；
The battery temperature value is exported to battery temperature viewing area；
The failure of the instrument, information of vehicles highlight are provided with trouble light corresponding with each associated components of vehicle, work as correlation
During component malfunction, send trouble light to instrument and light enable signal, light trouble light.
Further, the power of motor value is shown in the form of progress lattice, and its display process is：
When motor is electronic output state, progress lattice are shown in real time with the real-time input clockwise according to power signal
Show；
When motor is that generated energy reclaims state, progress lattice are shown in real time with the input counterclockwise according to generating state
Show.
Further, the concrete mode that the instrument fault, information of vehicles highlight light trouble light is：
When safety airbag wire harness, which connects, short circuit or crash sensor failure occurs, air bag control unit passes through CAN
Line sends fault-signal to instrument, lights air bag trouble light；
When parking braking does not release during brake-fluid level is too low or travels, instrument can be sent a signal to by rigid line, lighted
Brake fault lamp；
When safety failure occurs in vehicle, vehicle multiple-energy-source control unit is sent the signal to by CAN lines, it is described whole
Vehicle safety failure signal is transmitted to instrument by car multiple-energy-source control unit, lights complete vehicle fault lamp；
When there is GES loss, electric boosting steering system torque sensor failure, electric boosting steering system
Controller sends fault-signal to instrument by CAN lines, lights electric boosting steering system trouble light；
After brake switch, wheel speed sensors, anti-lock braking system break down, fault-signal is transmitted directly to by rigid line
Instrument, light anti-lock braking system trouble light；
When battery electric quantity is less than threshold value, the signal that vehicle multiple-energy-source control unit is limited by CAN lines sending performance is given
Instrument, light limited performance lamp；
When motor control unit temperature exceedes threshold value, fault-signal is sent to instrument by CAN lines, lights motor overheating
Alarm lamp；
When the 12V low-tension supplies failure of electric automobile, then fault-signal is sent to instrument by CAN lines, light 12V
Accumulator failure lamp.
Further, safety failure, which occurs, in the vehicle includes：Leaky or battery management unit test occur for vehicle
Power battery insulation resistance is unsatisfactory for requiring.
Further, when battery electric quantity is less than threshold value, vehicle enters battery saving mode, to the acceleration and highest of vehicle
Speed is limited.
Beneficial effects of the present invention：By the control method of the present invention, instrument can indicate main energy sources to driver
While power battery charged dump energy state and battery temperature, the car of electric automobile in the process of running is also shown in real time
The much informations such as speed, gear, motor status, remaining mileage, the system failure, light status.Make driver to each of electric automobile
Part running status is more timely, more intuitively understands, it is ensured that the traffic safety of driver.
Brief description of the drawings
Fig. 1 is the multifunctional combination instrument annexation figure shown using the inventive method；
Fig. 2 is the multifunctional combination meter interface figure shown using the inventive method；
In figure：1-travel condition of vehicle area, 2-battery temperature area, 3-battery dump energy area, 4-power of motor area,
5-failure, information of vehicles highlight.
As shown in figure 1, car running computer CPU is controlled by CAN lines and electric automobile power battery control unit, motor
Unit, vehicle multiple-energy-source control unit, gear box control unit, DC/DC control units, electric powered steering control unit, braking are anti-
Locking system etc. connects；Pass through rigid line and air bag control unit, light fixture, car door, safety belt, parking pedal, braking liquid level
The connection such as switch.
As shown in Fig. 2 multifunctional combination instrument uses full section code LCDs, it includes travel condition of vehicle area 1, electricity
Pond humidity province 2, battery dump energy area 3, power of motor area 4, failure, information of vehicles highlight 5 this five regions.
The battery electric quantity signal that car running computer CPU obtains electrokinetic cell control unit by CAN inputs, processing conversion
For battery electric quantity surplus value, battery dump energy area 3 is correspondingly shown in the form of progress lattice.It is low if there is battery electric quantity
Situation, battery electric quantity alarm lamp prompting driver can be also lighted in time.
The battery temperature signal that car running computer CPU obtains electrokinetic cell control unit by CAN inputs, processing conversion
For battery temperature value, battery temperature area 2 is correspondingly shown in the form of progress lattice.When battery temperature is too high, vehicle is produced latent
In risk, battery temperature alarm lamp prompting driver can be lighted in time.
The motor realtime power signal that car running computer CPU obtains motor control unit by CAN inputs, processing
Power of motor value is converted into, power of motor area 4 is correspondingly shown in the form of progress lattice.Display mode is divided to two kinds, when driving electricity
Machine is electronic output state, and progress lattice are with clockwise according to the real-time input real-time display of power signal；When motor is hair
Electric flux reclaims state, and progress lattice are with counterclockwise according to the input real-time display of generating state.
It is single that battery electric quantity surplus value is sent to the control of vehicle multiple-energy-source by electrokinetic cell control unit by CAN lines in real time
Member, speed variable quantity that vehicle multiple-energy-source control unit is accumulated by gathering in setting time, throttle variable quantity information, in real time meter
Calculate and correct current energy consumption, being converted into residue can continual mileage.Car running computer CPU obtains vehicle multiple-energy-source control by CAN
The travel condition of vehicle ready signals of unit processed, the input of residual running mileage signal, be separately converted to ready indicator lamps and
The form real-time display of digital value is in travel condition of vehicle area, with the change of battery dump energy surplus value, remaining wheeled
Mileage real-time update reminds driver.Car running computer CPU obtains anti-blocking brake system by CAN and gearbox controls list
GES and the gear signal input of member, respectively processing are converted into the form real-time display of digital value and gear letter in vehicle
Running status area 1.
It is more that car running computer CPU obtains anti-blocking brake system, electric powered steering control unit, vehicle by CAN respectively
Energy control unit, electrokinetic cell control unit, DC CD control units braking system faults information, electric powered steering failure letter
Breath, the input of complete vehicle fault information, charging status information, 12V electric power system fault messages, processing are converted into the form of indicator lamp
It is shown in failure, the real-time reminding driver of information of vehicles highlight 5.Its concrete mode is：
When safety airbag wire harness, which connects, short circuit or crash sensor failure occurs, air bag control unit passes through CAN
Line sends fault-signal to instrument, lights air bag trouble light；
When parking braking does not release during brake-fluid level is too low or travels, instrument can be sent a signal to by rigid line, lighted
Brake fault lamp；
When safety failure occurs in vehicle, such as：Leaky or battery management unit test power battery insulation occur for vehicle
When resistance is unsatisfactory for requiring, vehicle multiple-energy-source control unit, the vehicle multiple-energy-source control are sent the signal to by CAN lines
Vehicle safety failure signal is transmitted to instrument by unit, lights complete vehicle fault lamp；
When there is GES loss, electric boosting steering system torque sensor failure, electric boosting steering system
Controller sends fault-signal to instrument by CAN lines, lights electric boosting steering system trouble light；
After brake switch, wheel speed sensors, anti-lock braking system break down, fault-signal is transmitted directly to by rigid line
Instrument, light anti-lock braking system trouble light.And vehicle enters battery saving mode, the acceleration and max. speed of vehicle are limited
System.
When battery electric quantity is less than threshold value, the signal that vehicle multiple-energy-source control unit is limited by CAN lines sending performance is given
Instrument, light limited performance lamp；
When motor control unit temperature exceedes threshold value, fault-signal is sent to instrument by CAN lines, lights motor overheating
Alarm lamp；
When the 12V low-tension supplies failure of electric automobile, then fault-signal is sent to instrument by CAN lines, light 12V
Accumulator failure lamp.
The foregoing is only a specific embodiment of the invention, it is noted that any those skilled in the art exist
Disclosed herein technical scope in, the change or replacement that can readily occur in, should all cover protection scope of the present invention it
It is interior.
Claims (6)
- A kind of 1. control method of electric automobile multifunctional combination instrument, it is characterised in that：The electrokinetic cell control unit of vehicle Battery electric quantity surplus value is sent to by vehicle multiple-energy-source control unit, the vehicle multiple-energy-source control unit by CAN lines in real time The speed variable quantity that is accumulated by gathering in setting time, throttle variable quantity information, calculate and correct current energy consumption in real time, convert Into residue can continual mileage, being transmitted by CAN lines to instrument display output, instrument viewing area includes power of motor viewing area, The power of motor value shows that its display mode is divided to two kinds in the form of progress lattice：When motor is electronic output state, progress lattice are with clockwise according to the real-time input real-time display of power signal；When motor is that generated energy reclaims state, progress lattice are with counterclockwise according to the input real-time display of generating state.
- 2. the control method of electric automobile multifunctional combination instrument as claimed in claim 1, it is characterised in that：The driving of vehicle Computer by CAN lines obtain electrokinetic cell control unit battery temperature, change into battery temperature value transmit to instrument show it is defeated Go out.
- 3. the control method of electric automobile multifunctional combination instrument as claimed in claim 2, it is characterised in that：Instrument viewing area Domain includes travel condition of vehicle viewing area, battery temperature viewing area, battery dump energy viewing area, power of motor viewing area and event Barrier, information of vehicles highlight；The car running computer obtains the battery electric quantity of electrokinetic cell control unit by CAN lines, and the battery electric quantity is changed into electricity Exported after the electricity surplus value of pond to battery dump energy viewing area；The car running computer obtains the motor realtime power of motor control unit by CAN lines, is converted into power of motor value Export to power of motor viewing area；The GES and gear that the car running computer obtains anti-blocking brake system and gear box control unit by CAN lines are believed Number, change into vehicle speed value and gear information, with residue can continual mileage export together to travel condition of vehicle viewing area；The battery temperature value is exported to battery temperature viewing area；The failure of the instrument, information of vehicles highlight are provided with trouble light corresponding with each associated components of vehicle, work as associated components When breaking down, send trouble light to instrument and light enable signal, light trouble light.
- 4. the control method of electric automobile multifunctional combination instrument as claimed in claim 3, it is characterised in that the instrument event Barrier, information of vehicles highlight light the concrete mode of trouble light：When safety airbag wire harness, which connects, short circuit or crash sensor failure occurs, air bag control unit is sent out by CAN lines Fault-signal is sent to light air bag trouble light to instrument；When parking braking does not release during brake-fluid level is too low or travels, instrument can be sent a signal to by rigid line, light braking Trouble light；When safety failure occurs in vehicle, vehicle multiple-energy-source control unit is sent the signal to by CAN lines, the vehicle is more Vehicle safety failure signal is transmitted to instrument by energy control unit, lights complete vehicle fault lamp；When there is GES loss, electric boosting steering system torque sensor failure, electric boosting steering system control Device sends fault-signal to instrument by CAN lines, lights electric boosting steering system trouble light；After brake switch, wheel speed sensors, anti-lock braking system break down, fault-signal is transmitted directly to instrument by rigid line Table, light anti-lock braking system trouble light；When battery electric quantity is less than threshold value, the signal that vehicle multiple-energy-source control unit is limited by CAN lines sending performance to instrument, Light limited performance lamp；When motor control unit temperature exceedes threshold value, fault-signal is sent to instrument by CAN lines, lights motor overheating alarm Lamp；When the 12V low-tension supplies failure of electric automobile, then fault-signal is sent to instrument by CAN lines, light 12V electric power storages Pond trouble light.
- 5. the control method of electric automobile multifunctional combination instrument as claimed in claim 4, it is characterised in that the vehicle goes out Existing safety failure includes：Leaky occurs for vehicle or battery management unit test power battery insulation resistance is unsatisfactory for requiring.
- 6. the control method of electric automobile multifunctional combination instrument as claimed in claim 4, it is characterised in that：Work as battery electric quantity During less than threshold value, vehicle enters battery saving mode, and the acceleration and max. speed of vehicle are limited.
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| CN201510753335.5A CN105253020B (en) | 2015-11-05 | 2015-11-05 | A kind of control method of electric automobile multifunctional combination instrument |
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| CN201510753335.5A CN105253020B (en) | 2015-11-05 | 2015-11-05 | A kind of control method of electric automobile multifunctional combination instrument |
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| CN105253020A CN105253020A (en) | 2016-01-20 |
| CN105253020B true CN105253020B (en) | 2017-12-12 |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107284239B (en) * | 2016-04-01 | 2018-12-21 | 纳恩博（北京）科技有限公司 | Car status information processing method, device and vehicle |
| CN106828124A (en) * | 2017-02-15 | 2017-06-13 | 武汉科技大学 | A kind of electric automobile |
| CN106740270B (en) * | 2017-02-24 | 2019-04-09 | 北京新能源汽车股份有限公司 | A kind of display methods, device and the electric car of output power of motor percentage |
| CN107599868A (en) * | 2017-09-13 | 2018-01-19 | 无锡商业职业技术学院 | A kind of transmission system of electric automobile |
| CN107444182A (en) * | 2017-09-15 | 2017-12-08 | 苏州易换骑网络科技有限公司 | Electrombile control method and interchangeable electric electric car |
| CN108556997A (en) * | 2018-06-29 | 2018-09-21 | 南京奥特博机电科技有限公司 | A kind of electric assisted bicycle and its driving method |
| CN109501699A (en) * | 2018-11-12 | 2019-03-22 | 安徽江淮汽车集团股份有限公司 | A kind of combination instrument alarm strategy for taking into account CAN driving and hard signal driving |
| CN110901559B (en) * | 2019-11-09 | 2022-11-11 | 南京金龙客车制造有限公司 | Redundancy deviation rectifying structure and method for speed and accumulated mileage of combination instrument |
| CN113771629A (en) * | 2020-06-10 | 2021-12-10 | 上海墨泉网络科技有限公司 | Low-power reminding method and system for electric automobile |
| CN112078515B (en) * | 2020-08-05 | 2022-03-04 | 东风电驱动系统有限公司 | TFT screen alarm lamp detection method and system |
| CN112706617A (en) * | 2021-01-13 | 2021-04-27 | 奇瑞新能源汽车股份有限公司 | Method for displaying endurance mileage of electric automobile |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW531504B (en) * | 2002-03-08 | 2003-05-11 | Welltek Energy Technology Comp | Power source management system for an electromotive vehicle |
| CN102211524A (en) * | 2011-05-12 | 2011-10-12 | 重庆力华科技有限责任公司 | Instrument special for new energy automobile |
| CN102874191A (en) * | 2012-10-19 | 2013-01-16 | 浙江省电力公司电力科学研究院 | Vehicle-mounted terminal of electric car |
| JP2014217108A (en) * | 2013-04-23 | 2014-11-17 | アルパイン株式会社 | Battery residual quantity display device, and battery residual quantity display method |
| CN103213504B (en) * | 2013-04-27 | 2016-02-10 | 北京交通大学 | A kind of electronlmobil continual mileage evaluation method |
| CN103273921B (en) * | 2013-06-14 | 2016-07-06 | 清华大学 | Electric automobile continual mileage method of estimation |
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Address after: 430056 No. 1 Dongfeng Avenue, Wuhan economic and Technological Development Zone, Hubei, Wuhan Patentee after: dFac Address before: 430056 No. 1 Dongfeng Avenue, Wuhan economic and Technological Development Zone, Hubei, Wuhan Patentee before: Dongfeng Car Co. |
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