CN113147775A - Exhibition vehicle mode control system of electric vehicle - Google Patents
Exhibition vehicle mode control system of electric vehicle Download PDFInfo
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- CN113147775A CN113147775A CN202110511223.4A CN202110511223A CN113147775A CN 113147775 A CN113147775 A CN 113147775A CN 202110511223 A CN202110511223 A CN 202110511223A CN 113147775 A CN113147775 A CN 113147775A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W50/0098—Details of control systems ensuring comfort, safety or stability not otherwise provided for
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W2050/0001—Details of the control system
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- Automation & Control Theory (AREA)
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- Transportation (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention relates to the field of vehicle control, in particular to a vehicle exhibition mode control system of an electric vehicle. The invention provides a vehicle exhibition mode control system of an electric vehicle, which comprises a vehicle control unit, a vehicle starting mode switching unit and a vehicle starting mode switching unit, wherein the vehicle control unit receives a starting mode activation signal sent by an external device, activates a vehicle starting mode, sends a starting mode notification signal to an infotainment host computer, and receives a starting mode switching signal sent by the infotainment host computer to switch the starting mode; the information entertainment host carries out matching prompt according to the starting mode notification signal, collects and receives a starting mode switching signal and sends the starting mode switching signal to the vehicle control unit; the starting mode comprises a vehicle display mode, when the starting mode is the vehicle display mode, the vehicle starts high voltage power on, the power system does not work, and the vehicle cannot run. The invention configures the vehicle exhibition mode, and meets the requirements of static operation on the vehicle and all the requirements of the vehicle except the running function on the premise of ensuring the safety of the test-taking personnel, the test-driving personnel and the vehicle.
Description
Technical Field
The invention relates to the field of vehicle control, in particular to a vehicle exhibition mode control system of an electric vehicle.
Background
With the increasing development and maturity of new energy vehicles, many new energy vehicles are prone to cause misoperation of users unfamiliar with vehicle performance in order to simplify the operation of the users.
For example, some new energy vehicles cancel the key start button. For the starting of this type of vehicle, the intention of the driver to start is collected by the vehicle controller. Generally, the starting intention of a driver is analyzed by collecting information such as a brake pedal, gear shift position continuation and the like.
For a user unfamiliar with vehicle performance, there may be a safety risk of the vehicle running unconsciously when trying to drive or operate such a new energy vehicle that cancels key actuation.
Such a situation is more likely to occur in a vehicle displayed in a shop or an exhibition hall, and a user is not aware of the entire performance of the vehicle and is likely to malfunction to cause safety risks such as vehicle running.
Therefore, there is a need for an electric vehicle control system that prevents unintended driving problems caused by users operating an exhibit car or the like that are not familiar with the performance of the vehicle.
Disclosure of Invention
The invention aims to provide a exhibition mode control system of an electric vehicle, which solves the safety problem that the electric vehicle in the prior art is easy to cause the occurrence of unconscious driving.
In order to achieve the above object, the present invention provides a exhibition mode control system for an electric vehicle, comprising a vehicle controller and an infotainment host:
the vehicle control unit receives a starting mode activation signal sent by the external equipment, activates a vehicle starting mode, sends a starting mode notification signal to the infotainment host, and receives a starting mode switching signal sent by the infotainment host to switch the starting mode;
the information entertainment host carries out matching prompt according to the starting mode notification signal, collects and receives a starting mode switching signal and sends the starting mode switching signal to the vehicle control unit;
the starting mode comprises a vehicle display mode, when the starting mode is the vehicle display mode, the vehicle starts high voltage power on, the power system does not work, and the vehicle cannot run.
In one embodiment, the start-up mode includes a normal mode:
when the starting mode is the normal mode, the vehicle is normally started and electrified, the power system is ready, and the vehicle normally runs.
In one embodiment, the switching condition for switching the normal mode to the other start-up mode includes:
the starting mode is activated through the external equipment;
the vehicle gear is in a P gear;
or the vehicle is in gear N and the vehicle is disabled.
In one embodiment, when the vehicle enters the exhibition mode, the infotainment host fixedly prompts that the vehicle is currently in the exhibition mode at the notification bar through the central control screen.
In one embodiment, the infotainment host provides a shortcut entrance for closing the exhibition mode through a central control screen;
when the information entertainment host receives the shortcut entrance input signal, the information entertainment host displays an operation prompt instruction for recovering the normal mode, collects and receives a starting mode switching signal, and recovers the vehicle exhibition mode to the normal mode.
In one embodiment, the switching condition for switching the exhibition vehicle mode to the normal mode includes:
the vehicle is in a P gear;
the brake pedal is stepped on;
the rear brake pedal is depressed for more than a set time.
In one embodiment, the startup mode includes a novice mode:
when the starting mode is a novice mode, after a driver fastens a safety belt, the vehicle is normally started and electrified, the power system is ready, and the vehicle normally runs.
In one embodiment, the switching condition for switching the novice mode to the normal mode includes:
the vehicle is in a P gear;
the brake pedal is stepped on;
the rear brake pedal is depressed for more than a set time.
In one embodiment, the external device is an after-sales diagnostic apparatus;
the after-sale diagnostic instrument sends out a starting mode activation signal through the UDS protocol input and output control service.
In one embodiment, the infotainment host sends at least three frames of the start mode switching signal to the vehicle controller.
The invention provides a pure electric vehicle exhibition mode control system, which is configured with an exhibition mode of a vehicle, so that the requirement that trial riding and personnel can carry out static operation on the vehicle is met on the premise of ensuring the safety of the trial riding and driving personnel and the vehicle, and all requirements of the vehicle except for a running function, such as vehicle air-conditioning refrigeration/heating operation, vehicle fast/slow charging operation display and the like, can be met in the mode.
Drawings
The above and other features, properties and advantages of the present invention will become more apparent from the following description of the embodiments with reference to the accompanying drawings in which like reference numerals denote like features throughout the several views, wherein:
fig. 1 discloses a functional block diagram of a exhibition mode control system of an electric vehicle according to an embodiment of the present invention.
The meanings of the reference symbols in the figures are as follows:
10, a vehicle control unit;
20 an infotainment host;
30 post-sale diagnostic apparatus.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The exhibition mode control system of the electric vehicle is provided with a specific starting mode, namely an exhibition mode, aiming at vehicles exhibited in a shop or an exhibition hall, and the vehicles with the exhibition mode can be used for exhibiting or trying to drive.
Fig. 1 is a schematic block diagram illustrating a display mode control system of an electric vehicle according to an embodiment of the present invention, and as shown in fig. 1, the display mode control system of an electric vehicle according to the present invention includes a vehicle control unit 10 and an infotainment host 20:
the vehicle control unit 10 receives a start mode activation signal sent by the external device, activates a vehicle start mode, sends a start mode notification signal to the infotainment host 20, and receives a start mode switching signal sent by the infotainment host 20 to switch the start mode;
the infotainment host 20 performs matching prompt according to the start mode notification signal, collects and receives the start mode switching signal, and sends the start mode switching signal to the vehicle control unit 10.
A Vehicle Control Unit (VCU) is a core control component of the entire Vehicle, and corresponds to the brain of the Vehicle. As a command management center of an automobile, the vehicle control unit 10 mainly functions as: the system comprises a driving torque control device, a brake energy optimization control device, a whole vehicle energy management device, a CAN network maintenance and management device, a fault diagnosis and treatment device, a vehicle state monitoring device and the like, and plays a role in controlling vehicle operation.
The start-up mode is by default invisible to the driver and requires activation by an external device.
For the vehicle needing to activate the starting mode, the starting mode of the vehicle can be activated through the external equipment by using the vehicle in the exhibition mode, such as an exhibition hall or a test-driving vehicle in a 4s shop.
The start mode of the vehicle may include a normal mode, a novice mode, and a vehicle-exhibiting mode.
1) Normal mode
The normal mode is the default mode after the vehicle is off line, and when the starting mode is the normal mode, the vehicle can be started normally, the power system is Ready, the Ready lamp is lightened, and the vehicle can run normally.
The Ready lamp is used for prompting the Ready of a vehicle power system, the on/off of the Ready lamp is controlled by a VCU (vehicle control unit), and after the Ready lamp is turned on, the vehicle has the driving capability.
2) Novice mode
The novice mode is a starting mode for a novice vehicle to test driving, when the novice mode is activated, in order to guarantee safety of test-driving personnel and the vehicle, the vehicle is started under more rigorous conditions, the vehicle can be normally started and powered on after a driver wears a safety belt, a power system is Ready, a Ready lamp is lightened, and the vehicle can normally run.
3) Exhibition vehicle mode
The exhibition vehicle mode is a starting mode for static exhibition of the vehicle, and after the exhibition vehicle mode is activated, the vehicle can be powered on at high voltage but the Ready lamp cannot be turned on, the power system does not work, and the vehicle cannot run.
The vehicles configured with the exhibition mode can only be used for displaying or trial driving, in order to reduce the use trouble brought to customers by the switching between the exhibition mode and the normal mode of the vehicles sold normally, the default starting mode of the vehicles is the normal mode for the vehicles off line from a production line, and the exhibition mode is not supported.
The activation of the exhibition vehicle mode or the novice mode can be realized only by carrying out special operation through the external equipment.
In the embodiment shown in fig. 1, the external device is an after-market diagnostic device 30.
In the following description, the starting mode is taken as the exhibition mode, and the special activation operation includes the following steps:
the after-sale diagnostic device 30 sends a signal of 'request for entering a display mode' to the vehicle control unit through the UDS protocol input/output control service;
the vehicle control unit 10 activates the vehicle display mode after receiving the "display mode entering request" signal from the after-sales diagnostic device 30, and sends an "display mode entering notification signal" to the infotainment host ihu (information Head unit)20 for matching.
The infotainment host 20 gives a corresponding prompt according to the "enter exhibition mode notification signal" fed back by the vehicle control unit 10.
The UDS protocol ISO14229 is a Unified Diagnostic Services, which is a standardized standard for Diagnostic Services.
And the vehicle starting mode is activated, and the vehicle starting mode is switched through the large screen of the IHU after the vehicle enters the exhibition mode or the novice mode.
For the exhibition and test driving vehicle, the precondition that the vehicle is switched from the normal mode to the exhibition mode or the novice mode comprises the following steps:
1) the diagnostic instrument activates a vehicle start mode;
2) the vehicle is in P gear, or the vehicle is in N gear and the vehicle is at rest.
The precondition that the vehicle is switched from the exhibition mode or the novice mode to the normal mode is ensured to satisfy the following conditions simultaneously:
1) the vehicle is in a gear P; and is
2) The brake pedal is stepped on; and is
3) And after the setting, the brake pedal is pressed for exceeding the preset time parameter. Preferably, the preset time parameter is 1 s.
After the vehicle starting mode is activated, taking the switching to the vehicle exhibition mode as an example, the specific process of switching the vehicle starting mode is as follows:
the infotainment host 20 collects the starting mode switching signal of the driver through the large control screen of the IHU, and the IHU at least ensures that the setting request is sent for three frames. The start mode switching signal includes a display mode setting request signal.
After receiving a start mode switching signal of a request set by a driver of the IHU, the vehicle control unit 10 performs arbitration and control according to the running state of the vehicle, sends a start mode notification signal, and feeds back the current start mode state of the vehicle to the IHU in real time, wherein the start mode state includes a vehicle exhibition mode state;
the infotainment host 20 performs corresponding text prompt on the driver according to the starting mode state fed back by the vehicle controller 10 to prompt the driver that the vehicle enters a vehicle exhibition mode, and the vehicle has no driving capability in the mode and can support static exhibition of a vehicle high-voltage system.
Once the exhibition car mode is activated, the exhibition car mode of the vehicle can be set and restored to a novice mode or a normal mode through the IHU central control large screen.
The following description will take an example in which the exhibition mode is switched to the normal mode.
When the vehicle enters the vehicle display mode, the instrument displays that the vehicle is in the vehicle display mode, the central control large screen fixedly prompts that the vehicle is in the vehicle display mode at the notification bar, and a quick entrance of 'how to close the vehicle display mode' is provided.
The quick access is on the central control large screen, and after the driver clicks the quick access, the infotainment host 20 may prompt the user with an instruction to resume normal mode operation.
The driver switches the mode according to the operation instruction, the infotainment host 20 collects and receives the starting mode switching signal and sends the starting mode switching signal to the vehicle controller 10, and the vehicle is recovered from the vehicle exhibition mode to the normal mode.
It should be noted that after the start mode is activated by the after-sales diagnostic apparatus 30, the start mode can be switched among the normal mode, the novice mode and the exhibition mode through the IHU central control large screen, and the specific process has been described by way of example above and is not described here again.
Furthermore, the starting mode can only comprise a normal mode and a vehicle exhibition mode, and the novice mode can be used as further functional improvement for subsequent updating.
The invention provides a vehicle exhibition mode control system of an electric vehicle, which has the following beneficial effects:
1) the activation starting mode can be written in by the after-sale diagnostic device according to the use of the vehicle, and the normal vehicle sale work cannot be influenced;
2) switching is allowed among the starting modes, and safety and convenience are improved simultaneously.
While, for purposes of simplicity of explanation, the methodologies are shown and described as a series of acts, it is to be understood and appreciated that the methodologies are not limited by the order of acts, as some acts may, in accordance with one or more embodiments, occur in different orders and/or concurrently with other acts from that shown and described herein or not shown and described herein, as would be understood by one skilled in the art.
As used in this application and the appended claims, the terms "a," "an," "the," and/or "the" are not intended to be inclusive in the singular, but rather are intended to be inclusive in the plural unless the context clearly dictates otherwise. In general, the terms "comprises" and "comprising" merely indicate that steps and elements are included which are explicitly identified, that the steps and elements do not form an exclusive list, and that a method or apparatus may include other steps or elements.
Those of skill in the art would understand that information, signals, and data may be represented using any of a variety of different technologies and techniques. For example, data, instructions, commands, information, signals, bits (bits), symbols, and chips that may be referenced throughout the above description may be represented by voltages, currents, electromagnetic waves, magnetic fields or particles, optical fields or particles, or any combination thereof.
The steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied directly in hardware, in a software module executed by a processor, or in a combination of the two. A software module may reside in RAM memory, flash memory, ROM memory, EPROM memory, EEPROM memory, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art. An exemplary storage medium is coupled to the processor such the processor can read information from, and write information to, the storage medium. In the alternative, the storage medium may be integral to the processor. The processor and the storage medium may reside in an ASIC. The ASIC may reside in a user terminal. In the alternative, the processor and the storage medium may reside as discrete components in a user terminal.
In one or more exemplary embodiments, the functions described may be implemented in hardware, software, firmware, or any combination thereof. If implemented in software as a computer program product, the functions may be stored on or transmitted over as one or more instructions or code on a computer-readable medium. Computer-readable media includes both computer storage media and communication media including any medium that facilitates transfer of a computer program from one place to another. A storage media may be any available media that can be accessed by a computer. By way of example, and not limitation, such computer-readable media can comprise RAM, ROM, EEPROM, CD-ROM or other optical disk storage, magnetic disk storage or other magnetic storage devices, or any other medium that can be used to carry or store desired program code in the form of instructions or data structures and that can be accessed by a computer. Any connection is properly termed a computer-readable medium. For example, if the software is transmitted from a web site, server, or other remote source using a coaxial cable, fiber optic cable, twisted pair, Digital Subscriber Line (DSL), or wireless technologies such as infrared, radio, and microwave, then the coaxial cable, fiber optic cable, twisted pair, DSL, or wireless technologies such as infrared, radio, and microwave are included in the definition of medium. Disk (disk) and disc (disc), as used herein, includes Compact Disc (CD), laser disc, optical disc, Digital Versatile Disc (DVD), floppy disk and blu-ray disc where disks (disks) usually reproduce data magnetically, while discs (discs) reproduce data optically with lasers. Combinations of the above should also be included within the scope of computer-readable media.
The embodiments described above are provided to enable persons skilled in the art to make or use the invention and that modifications or variations can be made to the embodiments described above by persons skilled in the art without departing from the inventive concept of the present invention, so that the scope of protection of the present invention is not limited by the embodiments described above but should be accorded the widest scope consistent with the innovative features set forth in the claims.
Claims (10)
1. The utility model provides an electric vehicle's exhibition car mode control system which characterized in that, includes vehicle control unit and infotainment host computer:
the vehicle control unit receives a starting mode activation signal sent by the external equipment, activates a vehicle starting mode, sends a starting mode notification signal to the infotainment host, and receives a starting mode switching signal sent by the infotainment host to switch the starting mode;
the information entertainment host carries out matching prompt according to the starting mode notification signal, collects and receives a starting mode switching signal and sends the starting mode switching signal to the vehicle control unit;
the starting mode comprises a vehicle display mode, when the starting mode is the vehicle display mode, the vehicle starts high voltage power on, the power system does not work, and the vehicle cannot run.
2. The exhibition vehicle mode control system of claim 1, wherein the start mode includes a normal mode:
when the starting mode is the normal mode, the vehicle is normally started and electrified, the power system is ready, and the vehicle normally runs.
3. The exhibition vehicle mode control system of claim 2, wherein the switching condition for switching the normal mode to the other starting mode includes:
the starting mode is activated through the external equipment;
the vehicle gear is in a P gear;
or the vehicle is in gear N and the vehicle is disabled.
4. The exhibition vehicle mode control system of claim 1, wherein when the vehicle enters the exhibition vehicle mode, the infotainment host prompts at the notification bar through the central control screen that the vehicle is currently in the exhibition vehicle mode.
5. The exhibition car mode control system of claim 4, wherein the infotainment host provides a shortcut entrance for turning off the exhibition car mode through a central control screen;
when the information entertainment host receives the shortcut entrance input signal, the information entertainment host displays an operation prompt instruction for recovering the normal mode, collects and receives a starting mode switching signal, and recovers the vehicle exhibition mode to the normal mode.
6. The exhibition vehicle mode control system of claim 2, wherein the switching condition for switching the exhibition vehicle mode to the normal mode includes:
the vehicle is in a P gear;
the brake pedal is stepped on;
the rear brake pedal is depressed for more than a set time.
7. The exhibition car mode control system of claim 2, wherein the start mode comprises a novice mode:
when the starting mode is a novice mode, after a driver fastens a safety belt, the vehicle is normally started and electrified, the power system is ready, and the vehicle normally runs.
8. The exhibition vehicle mode control system of claim 7, wherein the switching condition for switching the novice mode to the normal mode includes:
the vehicle is in a P gear;
the brake pedal is stepped on;
the rear brake pedal is depressed for more than a set time.
9. The exhibition car mode control system of claim 1, wherein the external device is an after-market diagnostic device;
the after-sale diagnostic instrument sends out a starting mode activation signal through the UDS protocol input and output control service.
10. The exhibition vehicle mode control system of claim 1, wherein the infotainment host transmits at least three frames of the start mode switching signal transmitted to the vehicle controller.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114084141A (en) * | 2021-10-27 | 2022-02-25 | 东风汽车股份有限公司 | Method for switching driving modes of electric learner-driven vehicle |
| CN114384847A (en) * | 2022-01-13 | 2022-04-22 | 武汉路特斯汽车有限公司 | Vehicle management mode switching method and system for vehicle system and function verification |
| CN115514575A (en) * | 2022-10-08 | 2022-12-23 | 阿维塔科技(重庆)有限公司 | Vehicle control method, device, equipment and computer readable storage medium |
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Application publication date: 20210723 |