CN115009164A - Parking braking prompting method and system for oil-to-electricity vehicle - Google Patents

Parking braking prompting method and system for oil-to-electricity vehicle Download PDF

Info

Publication number
CN115009164A
CN115009164A CN202210784397.2A CN202210784397A CN115009164A CN 115009164 A CN115009164 A CN 115009164A CN 202210784397 A CN202210784397 A CN 202210784397A CN 115009164 A CN115009164 A CN 115009164A
Authority
CN
China
Prior art keywords
vehicle
signal
instrument
control unit
brake
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202210784397.2A
Other languages
Chinese (zh)
Inventor
卿辉
李超平
杨春祺
沈冬
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dongfeng Peugeot Citroen Automobile Co Ltd
Original Assignee
Dongfeng Peugeot Citroen Automobile Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dongfeng Peugeot Citroen Automobile Co Ltd filed Critical Dongfeng Peugeot Citroen Automobile Co Ltd
Priority to CN202210784397.2A priority Critical patent/CN115009164A/en
Publication of CN115009164A publication Critical patent/CN115009164A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q9/00—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling
    • 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—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
    • 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—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
    • B60K35/20—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor
    • B60K35/28—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor characterised by the type of the output information, e.g. video entertainment or vehicle dynamics information; characterised by the purpose of the output information, e.g. for attracting the attention of the driver
    • 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
    • B60R16/023—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 for transmission of signals between vehicle parts or subsystems
    • 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
    • B60K2360/00—Indexing scheme associated with groups B60K35/00 or B60K37/00 relating to details of instruments or dashboards
    • B60K2360/16—Type of output information
    • B60K2360/161—Explanation of functions, e.g. instructions
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/72—Electric energy management in electromobility

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Human Computer Interaction (AREA)
  • Control Of Transmission Device (AREA)

Abstract

The invention discloses a parking braking prompting method and a parking braking prompting system for an oil-to-electricity vehicle.A vehicle body controller BSI analyzes and processes according to a current gear signal received from a VCU, whether a brake pedal is stepped on and a pressing/pulling signal of an electronic hand brake when a vehicle is in a non-P gear, and sends a processing result to a vehicle instrument CMB, and the vehicle instrument CMB displays a corresponding text prompt according to the received processing result; when the vehicle is in the P gear, the VCU analyzes and processes the current gear signal, the signal whether the brake pedal is stepped on and the electronic hand brake pressing/pulling signal which are obtained from the gear shifting knob electronic control unit EGS, and sends the processing result to the vehicle instrument CMB, and the CMB displays the corresponding text prompt according to the received processing result. Because the adaptive electric vehicle does not have the P-gear lock, the invention enables a driver to have better vehicle using experience, realizes independent development on the basis of a fuel vehicle, saves the development cost and reduces the development period.

Description

Parking braking prompting method and system for oil-to-electricity vehicle
Technical Field
The invention belongs to the technical field of new energy automobile electronic and electric appliance functions, and particularly relates to a parking braking prompting method and system for an oil-to-electricity vehicle.
Background
The development of electric vehicles in the field of new energy is more and more fierce, and along with the gradual maturity of three-electric-system technology of pure electric vehicles, the improvement of a fuel oil vehicle with mature functions into an electric vehicle becomes an adaptation scheme selected by more and more host factories, particularly by joint ventures enterprises.
Because the modified electric vehicle does not have the P gear lock, the electric vehicle can not release the parking brake by a driver stepping on a brake pedal and simultaneously pressing an electronic hand brake switch like a fuel vehicle when in the P gear. Namely, when the electric vehicle is in the P gear, the electronic parking brake function cannot be released, and under the working condition, the vehicle instrument needs to be additionally provided with an electronic parking brake prompting interface to inform a driver, so that the driver is guided to perform related operation and use and drive the vehicle according to prompting contents of the interface. If the prompting system is not available, the customer can mistakenly think that the parking brake function of the vehicle is abnormal, and great complaints are caused to the customer. Similarly, when the vehicle is in other gears (non-P gear), although the operation of releasing the parking brake by the driver is the same as the fuel vehicle, because the engine electronic control unit CMM and the transmission electronic control unit BV which implement the electronic parking prompt interface function system on the electric vehicle do not exist, the strategy of the fuel vehicle cannot be completely followed by the implementation of the electronic parking prompt interface function under the working condition of the electric vehicle in non-P gear.
Because the electronic parking prompting system has a plurality of related parts, if the electronic parking prompting system is developed in a brand new way, the development period and the cost are improved, and the requirement of short, flat and quick adaptation projects cannot be met, so that a functional framework which has a short development period and can meet the requirement of adapting to the electronic parking braking prompting system of the pure electric vehicle is urgently needed.
Disclosure of Invention
The invention provides a parking braking prompting method and system for an oil-to-gas electric vehicle. The specific strategy comprises two systems, namely an electronic parking brake prompting system in non-P gear is realized by properly developing an electronic parking brake prompting interface function strategy on a fuel vehicle; and secondly, an electronic parking brake prompting interface strategy of the pure electric vehicle without the P gear lock is developed to realize an electronic parking brake prompting system in the P gear.
The parking brake prompting method for the oil-to-electric vehicle, which achieves one of the purposes of the invention, comprises the following steps:
the electronic parking brake prompting method when the vehicle is in the non-P gear comprises the following steps:
the vehicle body controller BSI analyzes and processes the current gear signal received from the VCU, the signal whether the brake pedal is stepped on and the pressing/pulling signal of the electronic hand brake, and sends the processing result to the vehicle instrument CMB, and the vehicle instrument CMB displays the corresponding text prompt according to the received processing result;
the electronic parking brake prompting method when the vehicle is in the P gear comprises the following steps:
the vehicle control unit VCU analyzes and processes the current gear signal, the signal whether the brake pedal is stepped on and the electronic hand brake pressing/pulling signal which are obtained from the gear shifting knob electronic control unit EGS, and sends the processing result to the vehicle instrument CMB, and the vehicle instrument CMB displays the corresponding text prompt according to the received processing result.
Furthermore, in the method for prompting the electronic parking brake when the vehicle is in the non-P range, the method for communicating each control unit with the vehicle body controller BSI includes:
the brake switch sends a signal whether a brake pedal is stepped on to a vehicle control unit VCU through a hard wire signal; the VCU sends the information to the BSI through the CAN IS network;
the electronic hand brake switch sends a switch request signal to the electronic parking control unit EPB through a hard wire, and the electronic parking control unit EPB processes the switch request signal and sends a hand brake switch pressing/pulling signal to the vehicle body controller BSI through an original vehicle CAN IS network;
the gear shifting knob EGS sends a gear signal to a vehicle control unit VCU through a high-speed EV _ CAN network; the VCU simulates a gearbox electric control unit BV to convert the received gear signals and sends the converted gear signals to the body controller BSI through the CAN IS network.
The EV _ CAN is a newly added power network of the electric vehicle, and the network transmission rate is 500 kb/s.
Further, in the electronic parking brake prompting method when the vehicle is in the non-P range, the method for analyzing and processing the vehicle body controller BSI according to the current range signal received from the VCU, the signal whether the brake pedal is pressed down and the pressing/pulling signal of the electronic hand brake includes:
when the brake pedal is not stepped on and the electronic hand brake switch is pressed, the body controller BSI sends a first CAN function message to the instrument CMB through the CAN IDIV network, and after receiving the first CAN function message, the instrument prompts a driver to release the parking brake if necessary on the instrument and please step on the brake pedal;
when a brake pedal is stepped on and an electronic hand brake switch is pressed down, a vehicle body controller BSI sends a second CAN function message to an instrument CMB through a CAN IDIV network, and the instrument receives the second CAN function message and then prompts a driver to release parking brake on the instrument;
when the electronic hand brake switch is pulled up, the vehicle body controller BSI sends a third CAN function message to the instrument CMB through the CAN IDIV network, and the instrument prompts a driver to start the parking brake on the instrument after receiving the third CAN function message.
Further, in the method for prompting the electronic parking brake when the vehicle is in the P gear, the method for sending the signal to the vehicle control unit VCU by each control unit includes:
the brake switch sends a signal whether a brake pedal is stepped on to a vehicle control unit VCU through a hard wire signal;
the electronic hand brake switch sends a switch request signal to the electronic parking control unit EPB through a hard wire, and the electronic parking control unit EPB processes the switch request signal and sends a hand brake switch pressing/pulling signal to the vehicle control unit VCU through the original vehicle CAN IS network;
the gear shift knob EGS sends a gear signal to a vehicle control unit VCU through a high-speed EV _ CAN network.
Furthermore, the method for analyzing and processing the vehicle control unit VCU according to the current gear signal, the signal whether the brake pedal is pressed down and the electronic hand brake press/pull-up signal obtained from the shift knob electronic control unit EGS includes:
when the brake pedal is not stepped on and the electronic hand brake switch is pressed down, the vehicle control unit VCU sends a fourth CAN function message to the instrument CMB through the EV _ CAN network, and the instrument receives the fourth CAN function message and then prompts a driver to step on the brake pedal firstly to exit the P gear on the instrument;
when the brake is stepped on and the electronic hand brake switch is pressed down, the vehicle control unit VCU sends a fifth CAN function message to the instrument CMB through the EV _ CAN network, and the instrument receives the fifth CAN function message and then prompts a driver to release the P gear, step on the brake and release the hand brake switch.
The parking braking prompting system for the oil-to-electric vehicle, which realizes the second aim of the invention, comprises a first prompting module and a second prompting module;
the first prompting module is used for analyzing and processing a vehicle body controller BSI according to a current gear signal received from a VCU, a signal whether a brake pedal is stepped on and a pressing/pulling signal of an electronic hand brake when a vehicle is in a non-P gear, and sending a processing result to a vehicle instrument CMB, and the vehicle instrument CMB displays a corresponding text prompt according to the received processing result;
and the second prompting module is used for analyzing and processing a whole vehicle control unit VCU according to a current gear signal obtained from the gear shifting knob electric control unit EGS, a signal whether a brake pedal is stepped on and an electronic hand brake pressing/pulling signal when the vehicle is in a P gear, and sending a processing result to the vehicle instrument CMB, and the vehicle instrument CMB displays a corresponding text prompt according to the received processing result.
Has the advantages that:
1. the adaptive electric vehicle does not have a P gear lock, so that the electric vehicle cannot realize the function of releasing the electronic parking brake in the P gear like a fuel vehicle. For customers driving fuel vehicles for many years, when driving electric vehicles, the customers also habitually press an electronic hand brake switch and press a brake pedal to release electronic parking brake when the electric vehicles are in a P gear, and at the moment, because the electric vehicles do not have P gear locks, risks of affecting vehicle safety such as slope slipping may occur, and even the drivers think that the electronic parking brake of the vehicles has a fault. The P-gear electronic parking prompting system can provide a friendly text prompt for a user to help the user to operate correctly, so that the user can quickly switch or adapt to the driving habit from a fuel vehicle to an electric vehicle;
2. in the parking braking prompt system, a vehicle combination instrument CMB relates to two networks, namely a low-speed CAN IDIV network of an original fuel vehicle and a newly-increased high-speed power EV _ CAN network; if the prompt message is sent to the instrument through the CAN IDIV network, the original software framework of the vehicle body controller BSI needs to be modified, the technical difficulty requirement is high, and the development period is long; if the information is sent to the instrument through the EV-CAN network, the relevant prompt of the fuel vehicle CAN be prompted on the instrument CMB because the information is modified on the basis of the fuel vehicle, and the condition that the instrument has several prompts or the relevant fault prompt of the instrument must exist. The invention innovatively provides that a VCU of a vehicle control unit communicates with an instrument CMB through a newly-added high-speed power EV _ CAN network to realize electronic parking brake prompt during P gear; the vehicle body controller BSI is communicated with the instrument CMB through a low-speed CAN IDIV network, so that electronic parking brake prompt in non-P gear is realized, and the vehicle body controller BSI is independent from the instrument CMB and does not influence each other;
3. independent development is realized on the basis of the fuel vehicle, development cost is saved, development period is shortened, and a reference thought is provided for development of subsequent independent projects.
Drawings
FIG. 1 is a functional block diagram of a non-P-range electronic parking guidance system according to the method of the present invention;
fig. 2 is a functional block diagram of a P-range electronic parking guidance system in the method of the present invention.
Detailed Description
The following detailed description is provided for the purpose of explaining the claimed embodiments of the present invention so that those skilled in the art can understand the claims. The scope of the invention is not limited to the following specific implementation configurations. It is intended that the scope of the invention be determined by those skilled in the art from the following detailed description, which includes claims that are directed to this invention.
In the description of the present invention, the terms "first", "second", and the like are used only for distinguishing the description, and are not intended to indicate or imply relative importance.
An electronic parking prompt system for an oil-to-electric vehicle is specifically composed of two types, namely a non-P-gear electronic parking prompt system as shown in fig. 1 and a P-gear electronic parking prompt system as shown in fig. 2. The two systems are implemented differently.
The system comprises an EPB electronic parking control unit, a gear shifting knob control unit EGS, a VCU, a vehicle body controller BSI, a vehicle instrument CMB and other controllers. The CMB of the vehicle instrument relates to two networks, namely a low-speed CAN IDIV network of a raw fuel vehicle and a newly-increased high-speed power EV _ CAN network. The CMB acquires a CAN message of a BSI (bus state identity) of an upstream electronic control unit vehicle body controller through a CAN IDIV (controller area network identification) network to realize the prompting content of the non-P-gear-shifting instrument; and the CMB acquires the prompt content of the instrument when the upstream electronic control unit VCU realizes the P gear through the EV _ CAN network. The EV _ CAN high-speed network and the CAN IDIV low-speed network are independent and do not influence each other. Namely an electronic parking prompting system when the vehicle is in the P gear and an electronic parking prompting system when the vehicle is not in the P gear.
In the non-P-gear electronic parking prompting system function, when the vehicle gear is in an N/R/D gear:
(1) if the driver intends to release the parking brake under the condition of only pressing the electronic hand brake switch, at the moment, the VCU sends a simulated BV to the BSI, wherein a gear signal POS _ LEVIER _ BV is 1, 2 or 3 (a signal value 0 represents a P gear, a signal value 1 represents an R gear, a signal value 2 represents an N gear, and a signal value 3 represents a D gear); the EPB may push the electronic hand brake switch down to a related CAN signal, for example, an EPB switch operation request signal DDE _ SNGL _ APP _ BOUTON _ FSE is 1(1 represents an electronic hand brake switch request), an operation state ETAT _ FNCT _ FREIN _ STATION _ IHM of the EPB function is 0(0 represents parking brake release) and also sent to the BSI, but since the BSI does not receive a CAN message of brake pedal depression, i.e., Contact _ FREIN1 is 0(0 represents brake pedal depression, 1 represents brake pedal depression), after the BSI is determined, the BSI may send a CAN message POINT _ MESS value 538 to the CMB through a CAN IDIV network, and the meter indicates on the meter according to the received CAN message value 538 that the driver needs to release the parking brake and applies the brake pedal.
(2) If the driver intends to release the parking brake while pressing the electronic handbrake switch and simultaneously pressing the brake pedal, at this time, the VCU sends a non-P gear shift signal POS _ LEVIER _ BV which is 1, 2 or 3 (a signal value 0 represents P gear, a signal value 1 represents R gear, a signal value 2 represents N gear and a signal value 3 represents D gear) to the BSI through the analog BV, the EPB CAN press a related CAN signal of the electronic hand brake switch, if the EPB switch operation request signal DDE _ SNGL _ APP _ BOUTON _ FSE is 1(1 represents an electronic hand brake switch request), the operation state ETAT _ FNCT _ FREIN _ state _ IHM of the EPB function is 0(0 represents parking brake release) is also sent to the BSI, meanwhile, the VCU simulates a CMM to send a signal Contact _ FREIN1 of brake pedal stepping to the BSI, after the BSI is judged, the CAN IDIV network sends a CAN message POINT _ MESS value 98 to the CMB, and the instrument prompts a driver to release the parking brake on the instrument according to the received CAN message value 98.
(3) If the driver manually pulls the electronic hand brake switch to start the parking brake, at the moment, at this time, the VCU sends a non-P-shift signal POS _ level _ BV (signal value 0 represents P shift, signal value 1 represents R shift, signal value 2 represents N shift, and signal value 3 represents D shift) to BSI by using the analog BV, the EPB pulls up a related CAN signal of the electronic hand brake switch, if the EPB switch operation request signal DDE _ SNGL _ APP _ BOUTON _ FSE is 1(1 represents an electronic hand brake switch request), the operation state ETAT _ FNCT _ FREIN _ state _ IHM of the EPB function is 1(1 represents a parking brake lock) is also sent to the BSI, meanwhile, the VCU analog CMM sends a signal Contact _ FREIN1 of brake pedal stepping to the BSI, after the BSI is judged, the CAN IDIV network sends a CAN message POINT _ MESS value 97 to the CMB, and the instrument prompts a driver to start the parking brake according to the received CAN message value 97.
In the P fender electron parking suggestion system function, when the vehicle keeps off the position and keeps off in P:
(1) if the driver intends to release the parking Brake under the condition of only pressing the electronic hand Brake Switch, the VCU receives current gear information GSC _ ActGearSt of the vehicle on the EV _ CAN network as 7(7 represents that the current gear IS in the P gear), the VCU receives a state signal of the electronic hand Brake Switch on the CAN IS network as 1, but the VCU receives a hard wire signal voltage value HW _ Brake of the Brake pedal as 0V (0 represents a low level value when the Brake pedal IS not pressed), at this time, the VCU sends a CAN message EV _ VCM stdrvreqwroptinfo as 3 to the instrument CMB, and the CMB prompts the driver on the instrument to press the Brake pedal first to exit the P gear according to the CAN message value 3 on the EV _ CAN.
(2) If the driver intends to release the parking Brake under the condition of pressing the electronic hand Brake Switch and simultaneously stepping on the Brake pedal, the VCU receives current gear information GSC _ ActGearSt of the vehicle on the EV _ CAN network as 7(7 represents that the current gear IS in the P gear), the VCU receives a state signal Electric _ Park _ Brake _ Switch _ Status as 1 on the CAN IS network, the VCU receives a hard wire signal voltage value HW _ Brake as 12V (12 represents a high level value when the Brake pedal IS stepped on), the VCU sends a CAN message stDrvReqOptInfo as 4 to the instrument CMB on the EV _ CAN, and the CMB prompts the driver to release the P gear and release the hand Brake Switch on the instrument according to the CAN message value 4 on the EV _ CAN.
It should be understood that, the sequence numbers of the steps in the foregoing embodiments do not imply an execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present application.
The application also provides a parking braking prompting system of the oil-to-electricity conversion vehicle, which comprises a first prompting module and a second prompting module;
the first prompting module is used for analyzing and processing a vehicle body controller BSI according to a current gear signal received from a VCU, a signal whether a brake pedal is stepped on and a pressing/pulling signal of an electronic hand brake when a vehicle is in a non-P gear, and sending a processing result to a vehicle instrument CMB, and the vehicle instrument CMB displays a corresponding text prompt according to the received processing result;
and the second prompting module is used for analyzing and processing the whole vehicle control unit VCU according to a current gear signal, a signal whether a brake pedal is stepped on and an electronic hand brake pressing/pulling signal which are obtained from the gear shifting knob electronic control unit EGS when the vehicle is in the P gear, and sending a processing result to the vehicle instrument CMB, and the vehicle instrument CMB displays a corresponding text prompt according to the received processing result.
In the first prompt module, the method for each control unit to send a signal to the body controller BSI includes:
the brake switch sends a signal whether a brake pedal is stepped on to a vehicle control unit VCU through a hard wire signal; the VCU sends the information to the BSI through the CAN IS network;
the electronic hand brake switch sends a switch request signal to the electronic parking control unit EPB through a hard wire, and the electronic parking control unit EPB processes the switch request signal and sends a hand brake switch pressing/pulling signal to the vehicle body controller BSI through an original vehicle CAN IS network;
the gear shifting knob EGS sends a gear signal to a vehicle control unit VCU through a high-speed EV _ CAN network; the VCU simulates a gearbox electric control unit BV to convert the received gear signals and sends the converted gear signals to the body controller BSI through the CAN IS network.
In the first prompting module, in the electronic parking brake prompting method when the vehicle is in a non-P gear, the method for analyzing and processing the current gear signal received from the VCU, the signal whether the brake pedal is pressed down and the pressing/pulling signal of the electronic hand brake by the vehicle body controller BSI includes:
when a brake pedal is not stepped on and an electronic hand brake switch is pressed, a vehicle body controller BSI sends a first CAN function message to an instrument CMB through a CAN IDIV network, and the instrument prompts a driver to release parking brake if necessary and please step on the brake pedal on the instrument after receiving the first CAN function message;
when a brake pedal is stepped on and an electronic hand brake switch is pressed down, a vehicle body controller BSI sends a second CAN function message to an instrument CMB through a CAN IDIV network, and the instrument receives the second CAN function message and then prompts the instrument to release parking brake;
when the electronic hand brake switch is pulled up, the vehicle body controller BSI sends a third CAN function message to the instrument CMB through the CAN IDIV network, and the instrument prompts the parking brake to be started on the instrument after receiving the third CAN function message.
In the second prompting module, in the electronic parking brake prompting method when the vehicle is in the P gear, the method for each control unit to send a signal to the vehicle control unit VCU includes:
the brake switch sends a signal whether a brake pedal is stepped on to a vehicle control unit VCU through a hard wire signal;
the electronic hand brake switch sends a switch request signal to the electronic parking control unit EPB through a hard wire, and the electronic parking control unit EPB processes the switch request signal and sends a hand brake switch pressing/pulling signal to the vehicle control unit VCU through the original vehicle CAN IS network;
the gear shift knob EGS sends a gear signal to a vehicle control unit VCU through a high-speed EV _ CAN network.
In the second prompt module, the method for analyzing and processing the current gear signal, the signal whether the brake pedal is stepped on and the electronic hand brake pressing/pulling-up signal, which are obtained from the gear shifting knob electronic control unit EGS, by the vehicle control unit VCU includes:
when the brake pedal is not stepped on and the electronic hand brake switch is pressed down, the vehicle control unit VCU sends a fourth CAN function message to the instrument CMB through the EV _ CAN network, and the instrument receives the fourth CAN function message and then prompts a driver to step on the brake pedal firstly to exit the P gear on the instrument;
when the brake is stepped on and the electronic hand brake switch is pressed down, the vehicle control unit VCU sends a fifth CAN function message to the instrument CMB through the EV _ CAN network, and the instrument receives the fifth CAN function message and then prompts a driver to release the P gear, step on the brake and release the hand brake switch.
Details not described in this specification are within the skill of the art that are well known to those skilled in the art.

Claims (10)

1. A parking braking prompting method of an oil-to-electric vehicle is characterized by comprising the following steps:
the electronic parking brake prompting method when the vehicle is in the non-P gear comprises the following steps:
the vehicle body controller BSI analyzes and processes the current gear signal received from the VCU, the signal whether the brake pedal is stepped on and the pressing/pulling signal of the electronic hand brake, and sends the processing result to the vehicle instrument CMB, and the vehicle instrument CMB displays the corresponding text prompt according to the received processing result;
the electronic parking brake prompting method when the vehicle is in the P gear comprises the following steps:
the vehicle control unit VCU analyzes and processes the current gear signal, the signal whether the brake pedal is stepped on and the electronic hand brake pressing/pulling signal which are obtained from the gear shifting knob electronic control unit EGS, and sends the processing result to the vehicle instrument CMB, and the vehicle instrument CMB displays the corresponding text prompt according to the received processing result.
2. The method for prompting parking brake of an oil-to-gas vehicle according to claim 1, wherein in the method for prompting electronic parking brake when the vehicle is in non-P range, the method for communicating each control unit with the vehicle body controller BSI includes:
the brake switch sends a signal whether a brake pedal is stepped on to a vehicle control unit VCU through a hard wire signal; the VCU sends the information to the BSI through the CAN IS network;
the electronic hand brake switch sends a switch request signal to the electronic parking control unit EPB through a hard wire, and the electronic parking control unit EPB processes the switch request signal and sends a hand brake switch pressing/pulling signal to the vehicle body controller BSI through an original vehicle CAN IS network;
the gear shifting knob EGS sends a gear signal to a vehicle control unit VCU through a high-speed EV _ CAN network; the VCU simulates a gearbox electric control unit BV to convert the received gear signals and sends the converted gear signals to the body controller BSI through the CAN IS network.
3. The method for prompting parking brake of an oil-change electric vehicle according to claim 1 or 2, wherein in the method for prompting electronic parking brake when the vehicle is in non-P range, the method for analyzing and processing the body controller BSI based on the current shift signal received from the VCU, the signal whether the brake pedal is depressed, and the depression/pull-up signal of the electronic handbrake includes:
when the brake pedal is not stepped on and the electronic hand brake switch is pressed, the body controller BSI sends a first CAN function message to the instrument CMB through the CAN IDIV network, and the instrument prompts the instrument to release the parking brake if necessary after receiving the first CAN function message and please step on the brake pedal;
when a brake pedal is stepped on and an electronic hand brake switch is pressed down, a vehicle body controller BSI sends a second CAN function message to an instrument CMB through a CAN IDIV network, and the instrument prompts the instrument to release parking brake after receiving the second CAN function message;
when the electronic hand brake switch is pulled up, the vehicle body controller BSI sends a third CAN function message to the instrument CMB through the CAN IDIV network, and the instrument prompts the parking brake to be started on the instrument after receiving the third CAN function message.
4. The method for prompting parking brake of an oil-to-gas electric vehicle according to claim 1, wherein in the method for prompting electronic parking brake when the vehicle is in P gear, the method for each control unit to send a signal to the vehicle control unit VCU comprises the following steps:
the brake switch sends a signal whether a brake pedal is stepped on to a vehicle control unit VCU through a hard wire signal;
the electronic hand brake switch sends a switch request signal to the electronic parking control unit EPB through a hard wire, and the electronic parking control unit EPB processes the switch request signal and sends a hand brake switch pressing/pulling signal to the vehicle control unit VCU through the original vehicle CAN IS network;
the gear shift knob EGS sends a gear signal to a vehicle control unit VCU through a high-speed EV _ CAN network.
5. The method for prompting parking brake of an oil-to-gas vehicle as claimed in claim 1 or 4, wherein the method for analyzing and processing the vehicle control unit VCU according to the current gear signal, the signal whether the brake pedal is pressed down and the electronic hand brake pressing/pulling signal obtained from the shift knob electronic control unit EGS comprises:
when the brake pedal is not stepped on and the electronic hand brake switch is pressed down, the vehicle control unit VCU sends a fourth CAN function message to the instrument CMB through the EV _ CAN network, and the instrument receives the fourth CAN function message and then prompts a driver to step on the brake pedal firstly to exit the P gear on the instrument;
when the brake is stepped on and the electronic hand brake switch is pressed down, the vehicle control unit VCU sends a fifth CAN function message to the instrument CMB through the EV _ CAN network, and the instrument receives the fifth CAN function message and then prompts the instrument to release the P gear, step on the brake and release the hand brake switch.
6. A parking brake prompting system of an oil-to-gas vehicle according to the method of claim 1, comprising a first prompting module and a second prompting module;
the first prompting module is used for analyzing and processing a vehicle body controller BSI according to a current gear signal received from a VCU, a signal whether a brake pedal is stepped on and a pressing/pulling signal of an electronic hand brake when a vehicle is in a non-P gear, and sending a processing result to a vehicle instrument CMB, and the vehicle instrument CMB displays a corresponding text prompt according to the received processing result;
and the second prompting module is used for analyzing and processing a whole vehicle control unit VCU according to a current gear signal obtained from the gear shifting knob electric control unit EGS, a signal whether a brake pedal is stepped on and an electronic hand brake pressing/pulling signal when the vehicle is in a P gear, and sending a processing result to the vehicle instrument CMB, and the vehicle instrument CMB displays a corresponding text prompt according to the received processing result.
7. The parking brake prompting system for an oil-to-gas vehicle as claimed in claim 6, wherein in the first prompting module, the method for each control unit to send a signal to the body controller BSI comprises:
the brake switch sends a signal whether a brake pedal is stepped on to a vehicle control unit VCU through a hard wire signal; the VCU sends the information to the BSI through the CAN IS network;
the electronic hand brake switch sends a switch request signal to the electronic parking control unit EPB through a hard wire, and the electronic parking control unit EPB processes the switch request signal and sends a hand brake switch pressing/pulling signal to the vehicle body controller BSI through an original vehicle CAN IS network;
the gear shifting knob EGS sends a gear signal to a vehicle control unit VCU through a high-speed EV _ CAN network; the whole vehicle control unit VCU simulates a gearbox electric control unit BV to convert the received gear signals and sends the converted gear signals to a vehicle body controller BSI through a CAN IS network.
8. The parking brake prompting system for an oil-to-gas vehicle according to claim 6 or 7, wherein in the first prompting module, in the electronic parking brake prompting method when the vehicle is in the non-P range, the method for analyzing and processing the body controller BSI according to the current shift range signal received from the VCU, the signal whether the brake pedal is pressed down, and the pressing/pulling signal of the electronic handbrake includes:
when the brake pedal is not stepped on and the electronic hand brake switch is pressed, the body controller BSI sends a first CAN function message to the instrument CMB through the CAN IDIV network, and the instrument prompts the instrument to release the parking brake if necessary after receiving the first CAN function message and please step on the brake pedal;
when a brake pedal is stepped on and an electronic hand brake switch is pressed down, a vehicle body controller BSI sends a second CAN function message to an instrument CMB through a CAN IDIV network, and the instrument receives the second CAN function message and then prompts the instrument to release parking brake;
when the electronic hand brake switch is pulled up, the vehicle body controller BSI sends a third CAN function message to the instrument CMB through the CAN IDIV network, and the instrument prompts the parking brake to be started on the instrument after receiving the third CAN function message.
9. The parking brake prompting system for the oil-to-gas vehicle according to claim 6, wherein in the second prompting module, in the electronic parking brake prompting method when the vehicle is in the P gear, the method for each control unit to send a signal to the vehicle control unit VCU comprises:
the brake switch sends a signal whether a brake pedal is stepped on to a vehicle control unit VCU through a hard wire signal;
the electronic hand brake switch sends a switch request signal to the electronic parking control unit EPB through a hard wire, and the electronic parking control unit EPB processes the switch request signal and sends a hand brake switch pressing/pulling signal to the vehicle control unit VCU through the original vehicle CAN IS network;
the gear shift knob EGS sends a gear signal to a vehicle control unit VCU through a high-speed EV _ CAN network.
10. The parking brake prompting system for an oil-to-gas vehicle as claimed in claim 6 or 9, wherein in the second prompting module, the method for analyzing and processing the vehicle control unit VCU according to the current gear signal, the signal whether the brake pedal is pressed down and the electronic hand brake pressing/pulling signal obtained from the gear shift knob electronic control unit EGS comprises:
when the brake pedal is not stepped on and the electronic hand brake switch is pressed down, the vehicle control unit VCU sends a fourth CAN function message to the instrument CMB through the EV _ CAN network, and the instrument receives the fourth CAN function message and then prompts a driver to step on the brake pedal firstly to exit the P gear on the instrument;
when the brake is stepped on and the electronic hand brake switch is pressed down, the vehicle control unit VCU sends a fifth CAN function message to the instrument CMB through the EV _ CAN network, and the instrument receives the fifth CAN function message and then prompts the instrument to release the P gear, step on the brake and release the hand brake switch.
CN202210784397.2A 2022-06-28 2022-06-28 Parking braking prompting method and system for oil-to-electricity vehicle Pending CN115009164A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210784397.2A CN115009164A (en) 2022-06-28 2022-06-28 Parking braking prompting method and system for oil-to-electricity vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210784397.2A CN115009164A (en) 2022-06-28 2022-06-28 Parking braking prompting method and system for oil-to-electricity vehicle

Publications (1)

Publication Number Publication Date
CN115009164A true CN115009164A (en) 2022-09-06

Family

ID=83079735

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210784397.2A Pending CN115009164A (en) 2022-06-28 2022-06-28 Parking braking prompting method and system for oil-to-electricity vehicle

Country Status (1)

Country Link
CN (1) CN115009164A (en)

Similar Documents

Publication Publication Date Title
CN110949353B (en) Parking method, parking device, vehicle and storage medium
US10421456B2 (en) Customized electric parking brake response to maintain engine auto-stop with brake released
CN111365453B (en) Built-in electronic gear shifting control method for automatic transmission
CN111959512B (en) New energy automobile in-situ parking control method, device and system and automobile
US8942889B2 (en) Vehicle control system and method
CN111645702B (en) Vehicle control device
CN113442943B (en) Method, device, system, vehicle and storage medium for realizing virtual driving of vehicle
CN111301393B (en) Automobile man-machine driving mode-shared braking control system and control method
CN112092789B (en) Vehicle brake control method and device, storage medium and vehicle
CN115009164A (en) Parking braking prompting method and system for oil-to-electricity vehicle
CN201560882U (en) Universal starting system of automatic gearshift automobile
CN113625694B (en) Chassis line control device and chassis line control test system
CN112140899A (en) Parking system, parking method and new energy vehicle
CN211139294U (en) Vehicle control system and vehicle
JP7195361B2 (en) vehicle controller
CN114852042A (en) Vehicle mode management method and device, automobile and storage medium
CN107264490B (en) Parking control method and vehicle control unit
CN114274940A (en) Parking force testing method and system for vehicle carrying electronic parking system
CN113500984A (en) Automatic parking method based on pure electric vehicle
CN113525097B (en) Control method for low-voltage energy recovery, whole vehicle controller, system and vehicle
US11401904B2 (en) Method for controlling an auto-stop start system of a vehicle
CN218228977U (en) Control system of AMT (automated mechanical Transmission) matching through shaft power takeoff
CN112550149B (en) Intelligent reminding system and method for controlling longitudinal running direction of hydrogen energy automobile
CN220826522U (en) AMT touch screen control system based on multimedia screen
CN114778138A (en) Single pedal function testing method, electronic device and storage medium

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination