CN114212066A - Electronic parking control system and method suitable for battery replacement of electric automobile - Google Patents

Abstract

The invention relates to an electronic parking control system and method suitable for replacing batteries of an electric automobile, wherein the standby batteries are replaced and the low-voltage of the whole automobile is reduced by judging through a battery replacement mode switch and brake pedal state detection; in the operation time quantum behind the electronic parking controller, electron parking switch is not pulled up, and control electron parking actuating mechanism does not press from both sides tightly, conveniently trades the battery and can move the car simultaneously, can effectively solve the position adjustment demand of electric automobile trading the electric in-process vehicle from this, improves the work efficiency that electric automobile traded the electricity.

Description

Electronic parking control system and method suitable for battery replacement of electric automobile

Technical Field

The invention relates to the field of control over an electric automobile electronic parking system with a battery replacement function, in particular to an electronic parking control technology suitable for battery replacement of an electric automobile.

Background

Under the requirements of 'carbon peak reaching' and 'carbon neutralization' in China, electric automobiles are more and more popular. The problem of overlong charging time of the conventional electric automobile brings inconvenience to people, particularly running operators. The battery replacement technology can complete replacement of the battery pack in only a few minutes, so that the efficiency is improved, and the battery replacement electric automobile has a very wide future prospect.

The existing electronic parking control system can automatically clamp when detecting that the vehicle is powered off, and the clamped vehicle cannot move back and forth and cannot adjust the position of the vehicle, so that the difficulty in replacing the power of the vehicle is brought. Therefore, the electronic parking control system is required to be powered off and not clamped in a whole vehicle power changing mode.

An electric vehicle battery replacement control system and a control method with patent publication number CN112918257A mainly describe a vehicle end control problem and a battery replacement safety problem of a whole electric vehicle battery replacement, and in an attached drawing of the specification, it is mentioned that an electronic parking actuator (EPB, Electrical-Park-Brake) is not automatically clamped when in a battery replacement mode, but a specific implementation method of the electronic parking actuator is not discussed in detail.

Disclosure of Invention

The invention discloses an electronic parking control system and method suitable for battery replacement of an electric automobile, and aims to solve the control problem of the electronic parking system in a battery replacement mode of the whole electric automobile.

The technical scheme of the invention is as follows:

the invention discloses an electronic parking control system suitable for battery replacement of an electric automobile.

The battery replacement mode switch receives an intention of switching a battery replacement mode of the electric automobile from the outside; the vehicle control unit detects whether a driver steps on a brake pedal; when the vehicle controller detects that the battery replacement mode switch is pressed down and the vehicle condition of the whole vehicle meets the requirement of entering the battery replacement mode, outputting a battery replacement mode effective signal and controlling the whole vehicle to enter the battery replacement mode; when the vehicle control unit detects that a brake pedal is stepped on, a brake pedal switch effective signal is output;

the electronic parking switch receives a pull-up request and a release request of the outside to the electronic parking actuating mechanism; when the electronic parking controller receives a pull-up request or a release request of the electronic parking switch, the electronic parking executing mechanism is controlled to pull up or release, and the corresponding vehicle parking action of the electronic parking executing mechanism is controlled.

When in use, the utility model is used for cleaning the inner wall of the tank,

when the electronic parking controller detects that the time of receiving the signal of the battery replacement mode of the whole vehicle controller is longer than the set time, the electronic parking controller detects that the effective signal of a brake pedal switch of the whole vehicle controller is that a brake pedal is stepped down and the whole vehicle is pressed down, and the electronic parking controller controls the electronic parking executing mechanism not to clamp; when the electronic parking controller detects that the electronic parking switch is pulled up in the post-operation time period, the electronic parking controller controls the electronic parking executing mechanism to clamp, the electronic parking controller detects that the electronic parking switch is not pulled up, and the electronic parking controller controls the electronic parking executing mechanism not to clamp.

Further, the post-operation time period refers to a time period from the low voltage of the whole vehicle to the time when the electronic parking controller enters the sleep mode.

Further, the post-operation period is set to 30 seconds.

Furthermore, the power change mode switch receives the intention of switching the power change mode of the electric automobile by pressing the power change mode switch by a driver.

The invention also discloses an electronic parking control method suitable for battery replacement of the electric automobile, which comprises the following steps of:

firstly, the electronic parking controller acquires the detected power change mode signal time from the vehicle controller.

Secondly, when the signal time of the battery replacement mode is smaller than a set value, the whole vehicle is pressed down at a low voltage, and the electronic parking controller controls the electronic parking actuating mechanism to clamp; and when the time of the power conversion mode signal is greater than a set value, the electronic parking controller continuously detects whether the brake pedal is stepped on.

Thirdly, when the brake pedal is not stepped, the whole vehicle is pressed down, and the electronic parking controller controls the electronic parking actuating mechanism to clamp; when the brake pedal is stepped on, the whole vehicle is pressed down, the electronic parking controller controls the electronic parking executing mechanism not to clamp, and whether the electronic parking switch is pulled up or not is continuously detected.

And fourthly, when the electronic parking controller operates within the post-operation time period, the electronic parking controller detects whether the electronic parking switch is pulled up or not.

Fifthly, when the electronic parking switch is pulled up, the electronic parking controller controls the electronic parking actuating mechanism to clamp; when the electronic parking switch is not pulled up, the electronic parking controller controls the electronic parking actuating mechanism not to clamp.

Further, when the battery replacement mechanism detects that the vehicle battery replacement mode signal is effective and the electronic parking mechanism is not clamped, battery replacement can be performed.

Further, the set value is 1 second.

Further, the post-operation time period refers to a time period from when the voltage of the whole vehicle is reduced to when the electronic parking controller enters the sleep mode, and is set to be 30 seconds.

The beneficial technical effects of the invention are as follows: through the state detection of a battery replacement mode switch and a brake pedal, the standby battery is judged to be replaced, and the low voltage of the whole vehicle is reduced; in the operation time quantum behind the electronic parking controller, electron parking switch is not pulled up, and control electron parking actuating mechanism does not press from both sides tightly, conveniently trades the battery and can move the car simultaneously, so can effectively solve the position adjustment demand of electric automobile trading the electric in-process vehicle, improves the work efficiency that electric automobile traded the electricity.

Drawings

FIG. 1 is a schematic structural diagram of an electronic parking control system suitable for replacing batteries of an electric vehicle according to the present invention;

fig. 2 is a control flow diagram of the electronic parking control method suitable for electric vehicle battery replacement according to the present invention.

Detailed Description

The following description is made with reference to the structural schematic diagram and the control flow schematic diagram of the present invention. It should be noted that for convenience of description, only some structures, but not all structures, which are relevant to the present invention are shown in the drawings.

Example 1:

referring to fig. 1, the electronic parking control system suitable for replacing battery for an electric vehicle disclosed in this embodiment includes a batteryreplacement mode switch 1, abrake pedal switch 2, avehicle control unit 3, anelectronic parking switch 4, an electronicparking control unit 5, and an electronicparking execution mechanism 6.

The battery changingmode switch 1 is used for receiving the intention of a driver to press the switch to switch the battery changing mode of the electric automobile for the outside; thebrake pedal switch 2 detects whether the driver steps on the brake pedal; when detecting that the battery replacement mode switch is pressed down and the vehicle condition of the whole vehicle meets the requirement of entering the battery replacement mode, thevehicle controller 3 outputs a battery replacement mode effective signal and controls the whole vehicle to enter the battery replacement mode; and when detecting that the brake pedal switch is stepped on, thevehicle control unit 3 outputs a brake pedal switch effective signal.

Theelectronic parking switch 4 receives a pull-up request and a release request of the outside to the electronic parking actuating mechanism; when receiving a pull-up request or a release request of the electronic parking switch, theelectronic parking controller 5 controls the electronic parking actuating mechanism to pull up or release, and controls the corresponding vehicle parking action of the electronicparking actuating mechanism 6.

When the system works:

when the electronic parking controller detects that the time of receiving the power conversion mode signal of thevehicle controller 3 is longer than the set time, the electronic parking controller detects that the effective signal of a brake pedal switch of thevehicle controller 3 is that a brake pedal is stepped down, the vehicle is pressed down, and the electronic parking controller controls the electronic parking executing mechanism not to clamp; when the electronic parking controller detects that the electronic parking switch is pulled up in the post-operation time period, the electronic parking controller controls the electronic parking executing mechanism to clamp, the electronic parking controller detects that the electronic parking switch is not pulled up, and the electronic parking controller controls the electronic parking executing mechanism not to clamp.

In this embodiment, the post-operation time period refers to a time period from when the voltage of the entire vehicle is reduced to when the electronic parking controller enters the sleep mode, and is set to 30 seconds.

Example 1:

referring to fig. 2, the present embodiment discloses an electronic parking control method suitable for replacing batteries of an electric vehicle, comprising the following steps,

firstly, the electronic parking controller acquires the detected power change mode signal time from thevehicle control unit 3.

Secondly, when the signal time of the battery replacement mode is smaller than a set value, the whole vehicle is pressed down at a low voltage, and the electronic parking controller controls the electronic parking actuating mechanism to clamp; and when the time of the power conversion mode signal is greater than a set value, the electronic parking controller continuously detects whether the brake pedal is stepped on. The above set value is usually 1 second.

Thirdly, when the brake pedal is not stepped, the whole vehicle is pressed down, and the electronic parking controller controls the electronic parking actuating mechanism to clamp; when the brake pedal is stepped on, the whole vehicle is pressed down, the electronic parking controller controls the electronic parking executing mechanism not to clamp, and whether the electronic parking switch is pulled up or not is continuously detected.

And fourthly, when the electronic parking controller operates within the post-operation time period, the electronic parking controller detects whether the electronic parking switch is pulled up or not. The post-operation period is set to 30 seconds here.

Fifthly, when the electronic parking switch is pulled up, the electronic parking controller controls the electronic parking actuating mechanism to clamp; when the electronic parking switch is not pulled up, the electronic parking controller controls the electronic parking actuating mechanism not to clamp.

The foregoing is considered as illustrative of the preferred embodiments of the invention and technical principles employed. It will be understood by those skilled in the art that various obvious changes, modifications or substitutions may be made to the present invention without departing from the scope of the present invention.

Claims (9)

1. Electronic parking control system suitable for electric automobile trades electricity, its characterized in that: the electric parking control system comprises a battery replacement mode switch (1), a brake pedal switch (2), a vehicle control unit (3), an electronic parking switch (4), an electronic parking control unit (5) and an electronic parking actuating mechanism (6);

the battery replacement mode switch (1) receives an intention of switching a battery replacement mode of the electric automobile from the outside; the vehicle control unit (3) detects whether a driver steps on a brake pedal; when detecting that the battery replacement mode switch is pressed down and the vehicle condition of the whole vehicle meets the requirement of entering the battery replacement mode, the vehicle controller (3) outputs a battery replacement mode effective signal and controls the whole vehicle to enter the battery replacement mode; when the vehicle control unit (3) detects that the brake pedal is stepped on, the effective signal of a brake pedal switch is output;

the electronic parking switch (4) receives a pull-up request and a release request of the outside to the electronic parking actuating mechanism; when receiving a pull-up request or a release request of an electronic parking switch, the electronic parking controller (5) controls the electronic parking actuating mechanism to pull up or release, and controls the corresponding vehicle parking action of the electronic parking actuating mechanism (6);

when in use, the utility model is used for cleaning the inner wall of the tank,

when the electronic parking controller detects that the signal time of the battery replacement mode of the vehicle controller (3) is greater than the set time, the electronic parking controller detects that the effective signal of a brake pedal switch is that the brake pedal is stepped down and the vehicle is pressed down, and the electronic parking controller controls the electronic parking actuating mechanism not to clamp; when the electronic parking controller detects that the electronic parking switch is pulled up in the post-operation time period, the electronic parking controller controls the electronic parking executing mechanism to clamp, the electronic parking controller detects that the electronic parking switch is not pulled up, and the electronic parking controller controls the electronic parking executing mechanism not to clamp.

2. The electronic parking control system suitable for replacing batteries of electric vehicles according to claim 1, characterized in that: the post-operation time period refers to a time period from the low voltage of the whole vehicle to the time when the electronic parking controller enters the sleep state.

3. The electronic parking control system suitable for replacing batteries of electric vehicles according to claim 2, characterized in that: the post-operation period is set to 30 seconds.

4. The electronic parking control system suitable for replacing batteries of electric vehicles according to claim 1, 2 or 3, characterized in that: the power change mode switch (1) receives the intention of switching the power change mode of the electric automobile by pressing the power change mode switch by a driver.

5. The electronic parking control system suitable for replacing batteries of electric vehicles according to claim 1, 2 or 3, wherein the batteries can be replaced when the battery replacement mechanism detects that the vehicle battery replacement mode signal is valid and the electronic parking mechanism is not clamped.

6. The electronic parking control method suitable for battery replacement of the electric automobile is characterized by comprising the following steps of: comprises the following steps of (a) carrying out,

the method comprises the following steps that firstly, the electronic parking controller acquires detected power change mode signal time from a vehicle controller (3);

secondly, when the signal time of the battery replacement mode is smaller than a set value, the whole vehicle is pressed down at a low voltage, and the electronic parking controller controls the electronic parking actuating mechanism to clamp; when the time of the power change mode signal is greater than a set value, the electronic parking controller continuously detects whether a brake pedal is stepped down;

thirdly, when the brake pedal is not stepped, the whole vehicle is pressed down, and the electronic parking controller controls the electronic parking actuating mechanism to clamp; when a brake pedal is stepped on, the whole vehicle is pressed down, the electronic parking controller controls the electronic parking executing mechanism not to clamp, and whether the electronic parking switch is pulled up or not is continuously detected;

fourthly, when the electronic parking controller operates within a post-operation time period, the electronic parking controller detects whether the electronic parking switch is pulled up or not;

fifthly, when the electronic parking switch is pulled up, the electronic parking controller controls the electronic parking actuating mechanism to clamp; when the electronic parking switch is not pulled up, the electronic parking controller controls the electronic parking actuating mechanism not to clamp.

7. The electronic parking control method suitable for replacing batteries of electric vehicles according to claim 6, characterized in that: the set value is 1 second.

8. The electronic parking control method suitable for replacing batteries of electric vehicles according to claim 6, characterized in that: the post-operation time period refers to a time period from the low voltage of the whole vehicle to the time when the electronic parking controller enters the sleep state, and is set to be 30 seconds.

9. The electronic parking control system suitable for replacing batteries of electric vehicles according to claim 6, 7 or 8, wherein the batteries can be replaced when the battery replacement mechanism detects that the vehicle battery replacement mode signal is valid and the electronic parking mechanism is not clamped.

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