CN112109548A - Vehicle and instrument display method thereof - Google Patents
Vehicle and instrument display method thereof Download PDFInfo
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- CN112109548A CN112109548A CN201910543361.3A CN201910543361A CN112109548A CN 112109548 A CN112109548 A CN 112109548A CN 201910543361 A CN201910543361 A CN 201910543361A CN 112109548 A CN112109548 A CN 112109548A
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- vehicle
- vehicle speed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K35/00—Arrangement of adaptations of instruments
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
Abstract
The invention relates to a vehicle and an instrument display method thereof, wherein the method comprises the steps of obtaining the current vehicle speed and the current acceleration, and determining a vehicle speed estimation value after the set time according to the current vehicle speed and the current acceleration; when the estimated value of the vehicle speed is larger than the upper limit value of the vehicle speed, the control instrument panel displays a first preset color for warning a driver; the vehicle speed estimated value after the set time is obtained through the calculation of the current vehicle speed and the current accelerometer, whether the vehicle speed exceeds the upper limit value of the vehicle speed after the set time is estimated, the advance prejudgment of the vehicle speed is realized, the driver is enabled to take countermeasures through corresponding warning, the overspeed is avoided, and the safety performance is improved.
Description
Technical Field
The invention relates to a vehicle and an instrument display method thereof.
Background
The new energy automobile has the advantages in the aspects of energy conservation, environmental protection, later maintenance and the like compared with the traditional fuel oil automobile, so the new energy automobile is widely applied in the global range, the pure electric automobile is used as one of the new energy automobiles and is driven by the motor, meanwhile, the motor can be controlled to operate as a generator by the characteristics of the motor, the torque sent by the motor can be controlled when the pure electric automobile is driven or braked, and the energy recovery is realized when the pure electric automobile is decelerated or braked. Under the condition that the capacity of a vehicle power battery is limited, energy recovery can effectively improve the energy utilization rate, and meanwhile, the abrasion of a brake can be reduced.
The utility model patent document with the Chinese patent authorization publication number of CN204712881U discloses an overspeed warning device of an electric tricycle, which comprises a control instrument for collecting a motor rotating speed signal through a connection controller, wherein the control instrument respectively controls a vehicle speed pointer and a liquid crystal screen; when the vehicle speed exceeds the safety range value, the instrument controls the color of the vehicle speed pointer and the light source of the liquid crystal display screen so as to achieve the purpose of warning the driver; but only when the vehicle is overspeed, so that the prompting hysteresis is caused, certain potential safety hazard exists, and the safety performance is lower.
Disclosure of Invention
The invention aims to provide a vehicle and an instrument display method thereof, which are used for solving the problem of certain potential safety hazard caused by the hysteresis of the conventional overspeed prompt.
In order to achieve the purpose, the invention provides a vehicle instrument display method, which comprises the following early warning steps:
1) acquiring a current vehicle speed and a current acceleration, and determining a vehicle speed estimation value after a set time according to the current vehicle speed and the current acceleration;
2) and judging whether the vehicle speed estimated value is greater than the vehicle speed upper limit value, if so, controlling the instrument panel to display a first preset color for warning the driver.
The method has the advantages that the vehicle speed estimated value after the set time is obtained through the current vehicle speed and the current accelerometer, whether the vehicle speed exceeds the upper limit value of the vehicle speed after the set time is estimated, the vehicle speed is pre-judged in advance, the driver is enabled to take countermeasures through corresponding warning, overspeed is avoided, and the safety performance is improved.
Further, in order to better and more obviously warn the driver, the instrument panel is controlled to display a first preset color and flicker with a set frequency in the step 2).
Further, for a more direct and better warning effect, the first predetermined color is yellow.
And further, the warning effect is more obvious by combining the atmosphere lamp in the vehicle, and when the estimated value of the vehicle speed is greater than the upper limit value of the vehicle speed, the atmosphere lamp in the vehicle is controlled to display a second preset color for warning the driver.
Further, in order to enable the atmosphere lamp in the vehicle to warn more obviously and to achieve better effects, when the estimated value of the vehicle speed is larger than the upper limit value of the vehicle speed, the atmosphere lamp in the vehicle is controlled to be displayed in a second preset color and twinkles.
Further, in order to enable the vehicle instrument to have more functions and guide a driver to enter an optimal electric feedback range during braking so as to improve the braking energy recovery efficiency and improve the endurance mileage, the method further comprises the following electric feedback steps:
(1) obtaining the opening degree of a brake pedal, and checking a brake MAP table according to the opening degree of the brake pedal and the current vehicle speed to obtain the brake torque of the motor;
(2) and calculating the electric feedback power of the motor according to the current rotating speed and the braking torque of the motor, and judging that a third preset color for prompting a driver is displayed at a set position of a control instrument panel when the electric feedback power of the motor is within a set power range.
Further, in order to obtain better brake feedback effect, the set power range is { Pmax +15KW, Pmax-15KW }.
Further, for a more direct and better directing effect, the third predefined color is green.
The invention provides a vehicle, which comprises a vehicle body and an instrument panel arranged on the vehicle body, and also comprises a memory, a processor and a computer program which is stored in the memory and can run on the processor, wherein the processor executes the program to realize the vehicle instrument display method and the steps in the improvement.
Drawings
FIG. 1 is a flow chart of a vehicle meter display method according to method embodiment 1 of the present invention;
FIG. 2 is a flow chart of a vehicle meter display method of method embodiment 2 of the present invention;
fig. 3 is a flow chart of a vehicle meter display method according to embodiment 3 of the method of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Method example 1:
the invention provides a vehicle instrument display method, which comprises the following steps:
1) and acquiring the current vehicle speed and the current acceleration, and determining a vehicle speed estimation value after 3s according to the current vehicle speed and the current acceleration.
The set time is 3s, which can be adjusted according to actual conditions; in addition, the vehicle speed estimation is formulated as follows: v is V0+3a, V is the estimated vehicle speed, V0Is the current vehicle speed, and a is the current acceleration.
2) And judging whether the vehicle speed estimated value is greater than the vehicle speed upper limit value, if so, controlling the instrument panel to display yellow for warning the driver.
The first preset color is yellow, and can be set according to actual conditions; in order to obtain a better warning effect, the instrument panel is controlled to display yellow in the step 2) and flicker with a set frequency is performed, and the specific flicker frequency is not limited, but needs to be set on the premise of not influencing the normal driving of a driver.
If the atmosphere lamp is arranged in the vehicle at the moment, the process can be combined with the atmosphere lamp in the vehicle, so that the warning effect is more obvious, namely when the estimated value of the vehicle speed is greater than the upper limit value of the vehicle speed, the atmosphere lamp in the vehicle is controlled to display a second preset color for warning a driver and flicker, the same flicker frequency is not limited, and as other implementation modes, the atmosphere lamp can not flicker.
Method example 2:
the invention provides a vehicle instrument display method, which is characterized in that on the basis of the method embodiment 1, whether the current vehicle speed value is greater than the upper limit value of the vehicle speed or not is judged, and if so, an instrument panel is controlled to display red. And otherwise, combining the atmosphere lamp in the vehicle, and controlling the atmosphere lamp to display red if the current vehicle speed value is greater than the upper limit value of the vehicle speed.
Method example 3:
the invention provides a vehicle instrument display method, which further comprises the following electric feedback steps on the basis of the embodiment 1 of the method:
(1) and obtaining the opening degree of a brake pedal, and checking a brake MAP table according to the opening degree of the brake pedal and the current vehicle speed to obtain the brake torque of the motor.
The brake MAP table is calibrated by an actual vehicle, and the calibration and the like can be realized by the prior art.
(2) And calculating the electric feedback power of the motor according to the current rotating speed and the braking torque of the motor, and judging whether the electric feedback power of the motor is in a green color for prompting a driver when the electric feedback power of the motor is in a set power range and is displayed at a set position of a control instrument panel.
According to the formula: and P is nT/9550, n is the current rotating speed of the motor, T is the braking torque of the motor, and the electric feedback power of braking is calculated.
Wherein, the set power range is { Pmax +15KW, Pmax-15KW }, Pmax represents the maximum power in the brake MAP table.
The instrument panel may be provided with a plurality of different areas, wherein a part of the areas are areas for prompting the electric feedback amount, i.e., the electric feedback effect, of the driver, and green, i.e., a third predetermined color, is displayed in the areas, and of course, other colors may be set according to actual conditions.
The embodiment of the vehicle is as follows:
the invention provides a vehicle, which comprises a vehicle body and an instrument panel arranged on the vehicle body, and further comprises a memory, a processor and a computer program which is stored in the memory and can run on the processor, wherein the processor executes the program to realize the vehicle instrument display method in the method embodiment 1, the method embodiment 2 and the method embodiment 3.
When the driving pedal is stepped on, if the speed is about to exceed the speed limit, the display panel, namely the instrument panel, displays yellow; if the vehicle speed is greater than the specified vehicle speed, the display panel gives a red warning; when the brake pedal is stepped on, the set area of the instrument panel is displayed as green in the range with high feedback power, so that the operation process of a driver is normalized on the basis of judging safety by the driver, the energy utilization rate of a battery is improved, and the driving range is prolonged.
Claims (9)
1. A vehicle instrument display method is characterized by comprising the following early warning steps:
1) acquiring a current vehicle speed and a current acceleration, and determining a vehicle speed estimation value after a set time according to the current vehicle speed and the current acceleration;
2) and judging whether the vehicle speed estimated value is greater than the vehicle speed upper limit value, if so, controlling the instrument panel to display a first preset color for warning the driver.
2. The vehicle meter displaying method according to claim 1, wherein the instrument panel is controlled to display in a first predetermined color and to flash at a set frequency in step 2).
3. The vehicle instrument display method according to claim 1 or 2, wherein the first predetermined color is yellow.
4. The vehicle instrument display method according to claim 1 or 2, characterized in that when the estimated value of the vehicle speed is larger than the upper limit value of the vehicle speed, the in-vehicle atmosphere lamp is also controlled to display a second predetermined color for warning the driver.
5. The vehicle instrument display method according to claim 4, wherein when the estimated value of the vehicle speed is larger than the upper limit value of the vehicle speed, the in-vehicle ambience lamp is controlled to be displayed in a second predetermined color and to flash.
6. The vehicle instrument display method of claim 1, further comprising the following electrical feedback steps:
(1) obtaining the opening degree of a brake pedal and the current vehicle speed, and checking a brake MAP table according to the opening degree of the brake pedal and the current vehicle speed to obtain the brake torque of the motor;
(2) and calculating the electric feedback power of the motor according to the current rotating speed and the braking torque of the motor, and judging that a third preset color for prompting a driver is displayed at a set position of a control instrument panel when the electric feedback power of the motor is within a set power range.
7. The vehicle instrument display method according to claim 6, wherein the set power range is { Pmax +15KW, Pmax-15KW }.
8. The vehicle instrument display method of claim 6, wherein the third predetermined color is green.
9. A vehicle comprising a vehicle body and an instrument panel arranged on the vehicle body, further comprising a memory, a processor and a computer program stored in the memory and executable on the processor, characterized in that the processor, when executing the program, implements the vehicle instrument display method according to any one of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910543361.3A CN112109548A (en) | 2019-06-21 | 2019-06-21 | Vehicle and instrument display method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910543361.3A CN112109548A (en) | 2019-06-21 | 2019-06-21 | Vehicle and instrument display method thereof |
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| CN112109548A true CN112109548A (en) | 2020-12-22 |
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| CN201910543361.3A Pending CN112109548A (en) | 2019-06-21 | 2019-06-21 | Vehicle and instrument display method thereof |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201876462U (en) * | 2010-10-10 | 2011-06-22 | 北京航空航天大学 | Dynamic and safe early warning speedometer capable of displaying in different colors for vehicle |
| CN103183032A (en) * | 2011-12-31 | 2013-07-03 | 上海汽车集团股份有限公司 | Safety accessory system and method for vehicle speed limiting |
| JP2015154602A (en) * | 2014-02-14 | 2015-08-24 | トヨタ自動車株式会社 | Driving support device and driving support method |
| CN104992571A (en) * | 2015-07-10 | 2015-10-21 | Tcl移动通信科技（宁波）有限公司 | Overspeed early-warning method based on mobile terminal and system thereof |
| CN204712881U (en) * | 2015-04-07 | 2015-10-21 | 江苏淮海新能源车辆有限公司 | Electro-tricycle hypervelocity alarming device |
| CN106042932A (en) * | 2016-07-21 | 2016-10-26 | 浙江吉利汽车研究院有限公司 | Hybrid vehicle display apparatus |
| CN107933319A (en) * | 2017-11-09 | 2018-04-20 | 上汽通用五菱汽车股份有限公司 | Electric automobile and its energy back-feed control method, readable storage medium storing program for executing |
-
2019
- 2019-06-21 CN CN201910543361.3A patent/CN112109548A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201876462U (en) * | 2010-10-10 | 2011-06-22 | 北京航空航天大学 | Dynamic and safe early warning speedometer capable of displaying in different colors for vehicle |
| CN103183032A (en) * | 2011-12-31 | 2013-07-03 | 上海汽车集团股份有限公司 | Safety accessory system and method for vehicle speed limiting |
| JP2015154602A (en) * | 2014-02-14 | 2015-08-24 | トヨタ自動車株式会社 | Driving support device and driving support method |
| CN204712881U (en) * | 2015-04-07 | 2015-10-21 | 江苏淮海新能源车辆有限公司 | Electro-tricycle hypervelocity alarming device |
| CN104992571A (en) * | 2015-07-10 | 2015-10-21 | Tcl移动通信科技（宁波）有限公司 | Overspeed early-warning method based on mobile terminal and system thereof |
| CN106042932A (en) * | 2016-07-21 | 2016-10-26 | 浙江吉利汽车研究院有限公司 | Hybrid vehicle display apparatus |
| CN107933319A (en) * | 2017-11-09 | 2018-04-20 | 上汽通用五菱汽车股份有限公司 | Electric automobile and its energy back-feed control method, readable storage medium storing program for executing |
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Application publication date: 20201222 |