阅读说明：本技术 一种操作控制方法、装置和电动汽车 (Operation control method and device and electric automobile ) 是由 孙一 于 2020-06-19 设计创作，主要内容包括：本发明提供了一种操作控制方法、装置和电动汽车,该方法包括：在车辆上电后处于第一操作方式时,获取车辆驱动信号；在判断车辆驱动信号满足预设条件时,将车辆的当前操作方式由第一操作方式切换为第二操作方式；其中,所述第一操作方式为手动挡操作和自动挡操作的其中之一,第二操作方式为手动挡操作和自动挡操作的其中另一个；其中,在所述第一操作方式,所述车辆的挡位器具有第一功能模式；在所述第二操作方式,所述车辆的挡位器具有第二功能模式。通过上述方案,可以实现电动汽车的手动挡和自动挡操作方式的切换。(The invention provides an operation control method, an operation control device and an electric automobile, wherein the method comprises the following steps: when the vehicle is in a first operation mode after being powered on, acquiring a vehicle driving signal; when the vehicle driving signal is judged to meet the preset condition, switching the current operation mode of the vehicle from a first operation mode to a second operation mode; the first operation mode is one of manual gear operation and automatic gear operation, and the second operation mode is the other one of the manual gear operation and the automatic gear operation; wherein in the first mode of operation the vehicle's shifter has a first functional mode; in the second mode of operation, the vehicle's range unit has a second functional mode. Through the scheme, the switching of the manual gear and automatic gear operation modes of the electric automobile can be realized.)

1. An operation control method characterized by comprising:

when the vehicle is in a first operation mode after being powered on, acquiring a vehicle driving signal;

when the vehicle driving signal is judged to meet the preset condition, switching the current operation mode of the vehicle from a first operation mode to a second operation mode; the first operation mode is one of manual gear operation and automatic gear operation, and the second operation mode is the other one of the manual gear operation and the automatic gear operation;

wherein in the first mode of operation the vehicle's shifter has a first functional mode; in the second mode of operation, the vehicle's range unit has a second functional mode.

2. The operation control method according to claim 1, characterized by further comprising:

and according to the vehicle driving signal, determining that the preset condition is met when a brake signal sent by a brake booster, a signal that the wheel rotating speed is zero and sent by an anti-lock brake system, a signal that the depth is zero and sent by an accelerator pedal and a gear signal that the gear sent by a gear device is empty are received.

3. The operation control method according to claim 1, wherein the first operation mode is an automatic shift operation, and switching the current operation mode of the vehicle from the first operation mode to the second operation mode includes:

receiving an input signal sent by a torque controller;

sending an output signal to a motor controller according to the input signal;

and according to the output signal, the motor controller performs torque control.

4. The operation control method according to claim 3, wherein the input signal transmitted by the torque controller includes:

an acceleration signal sent by an accelerator pedal to the vehicle control unit;

the clutch opening degree signal is sent to the whole vehicle controller by the clutch;

the electric control brake booster sends a brake signal to the whole vehicle controller;

the anti-lock braking system sends a signal of the wheel rotating speed to the vehicle control unit;

and the gear shifter transmits a gear signal to the vehicle control unit.

5. The operation control method according to claim 1, characterized in that after switching the current operation mode of the vehicle from the first operation mode to the second operation mode, the method further comprises:

and writing the second operation mode as the current operation mode into a power-down storage area of the instrument controller.

6. The operation control method according to claim 5, characterized by further comprising:

and when the vehicle is powered on, reading the stored current operation mode from the power-down storage area, and executing the current operation mode.

7. An operation control device characterized by comprising:

the vehicle driving control system comprises an acquisition module, a control module and a control module, wherein the acquisition module is used for acquiring a vehicle driving signal when a vehicle is in a first operation mode after being electrified;

the operation module is used for switching the current operation mode of the vehicle from a first operation mode to a second operation mode when the vehicle driving signal is judged to meet the preset condition; the first operation mode is one of manual gear operation and automatic gear operation, and the second operation mode is the other one of the manual gear operation and the automatic gear operation;

wherein in the first mode of operation the vehicle's shifter has a first functional mode; in the second mode of operation, the vehicle's range unit has a second functional mode.

8. The operation control device according to claim 7, characterized in that the device further comprises:

and the condition judgment module is used for judging and receiving the brake signal sent by the brake booster, the signal that the wheel rotating speed is zero and sent by the anti-lock brake system, the signal that the depth is zero and sent by the accelerator pedal and the gear signal that the gear is empty and sent by the gear device according to the vehicle driving signal, and determining that the preset condition is met.

9. The operation control device according to claim 7, characterized in that the operation module includes:

the receiving unit is used for receiving an input signal sent by the torque controller;

the sending unit is used for sending an output signal to the motor controller according to the input signal;

and the torque control unit is used for controlling the torque of the motor controller according to the output signal.

10. The operation control device according to claim 9, wherein the input signal for reception by the reception unit includes:

an acceleration signal sent by an accelerator pedal to the vehicle control unit;

the clutch opening degree signal is sent to the whole vehicle controller by the clutch;

the electric control brake booster sends a brake signal to the whole vehicle controller;

the anti-lock braking system sends a signal of the wheel rotating speed to the vehicle control unit;

and the gear shifter transmits a gear signal to the vehicle control unit.

11. The operation control apparatus according to claim 7, wherein after switching the current operation mode of the vehicle from the first operation mode to the second operation mode, the apparatus further comprises:

and the writing module is used for writing the second operation mode into a power-down storage area of the instrument controller as the current operation mode.

12. The operation control device according to claim 11, characterized in that the device further comprises:

and the reading module is used for reading the stored current operation mode from the power-down storage area and executing the current operation mode when the vehicle is powered on.

13. An electric vehicle characterized by comprising the operation control device according to any one of claims 7 to 12.

Technical Field

The invention relates to the technical field of electric automobiles, in particular to an operation control method and device and an electric automobile.

Background

In the face of the multi-aspect threats of energy problems, air pollution and climate change, the electric automobile is considered as the main direction for the transformation and development of automobile industry in the future. In driving schools, more and more people use electric automobiles to test driving licenses.

In the prior art, an electric automobile capable of being operated by a manual gear is manufactured, and in order to obtain the driving experience of a fuel vehicle, the driving working condition of the fuel vehicle with the manual gear is simulated by additionally arranging a torque controller and a plurality of sensors, wherein the driving working condition comprises starting, driving, gear shifting, flameout and the like. However, in the process of product research and development, the problems that a gear and a clutch sensing signal are poor, a torque controller is added independently, the cost is high, and the like exist, and the manual gear driving is required by a specific scene, and the automatic gear driving of the electric automobile can be recovered by separating from the specific scene, so that in order to reduce the cost of a single automobile and meet the operation mode that the electric automobile has the manual gear and the automatic gear at the same time, a gear device capable of switching the operation modes of the manual gear and the automatic gear needs to be developed.

Disclosure of Invention

The embodiment of the invention provides an operation control method and device and an electric automobile, which are used for solving the problem of high cost of a single electric automobile in the prior art and can realize switching of operation modes of a manual gear and an automatic gear.

In order to solve the above technical problem, an embodiment of the present invention provides the following technical solutions:

an embodiment of a first aspect of the present invention provides an operation control method, including:

when the vehicle is in a first operation mode after being powered on, acquiring a vehicle driving signal;

when the vehicle driving signal is judged to meet the preset condition, switching the current operation mode of the vehicle from a first operation mode to a second operation mode; the first operation mode is one of manual gear operation and automatic gear operation, and the second operation mode is the other one of the manual gear operation and the automatic gear operation;

wherein in the first mode of operation the vehicle's shifter has a first functional mode; in the second mode of operation, the vehicle's range unit has a second functional mode.

Optionally, the method further comprises:

and according to the vehicle driving signal, determining that the preset condition is met when a brake signal sent by a brake booster, a signal that the wheel rotating speed is zero and sent by an anti-lock brake system, a signal that the depth is zero and sent by an accelerator pedal and a gear signal that the gear sent by a gear device is empty are received.

Optionally, the first operation mode is an automatic transmission operation, and switching the current operation mode of the vehicle from the first operation mode to the second operation mode includes:

receiving an input signal sent by a torque controller;

sending an output signal to a motor controller according to the input signal;

and according to the output signal, the motor controller performs torque control.

Optionally, the method further comprises:

and integrating the torque controller into a vehicle control unit.

Optionally, the input signal sent by the torque controller comprises:

an acceleration signal sent by an accelerator pedal to the vehicle control unit;

the clutch opening degree signal is sent to the whole vehicle controller by the clutch;

the electric control brake booster sends a brake signal to the whole vehicle controller;

the anti-lock braking system sends a signal of the wheel rotating speed to the vehicle control unit;

and the gear shifter transmits a gear signal to the vehicle control unit.

Optionally, after switching the current operation mode of the vehicle from the first operation mode to the second operation mode, the method further includes:

and writing the second operation mode as the current operation mode into a power-down storage area of the instrument controller.

Optionally, the method further comprises:

and when the vehicle is powered on, reading the stored current operation mode from the power-down storage area, and executing the current operation mode.

An embodiment of the second aspect of the present invention further provides an operation control apparatus, including:

the vehicle driving control system comprises an acquisition module, a control module and a control module, wherein the acquisition module is used for acquiring a vehicle driving signal when a vehicle is in a first operation mode after being electrified;

the operation module is used for switching the current operation mode of the vehicle from a first operation mode to a second operation mode when the vehicle driving signal is judged to meet the preset condition; the first operation mode is one of manual gear operation and automatic gear operation, and the second operation mode is the other one of the manual gear operation and the automatic gear operation;

wherein in the first mode of operation the vehicle's shifter has a first functional mode; in the second mode of operation, the vehicle's range unit has a second functional mode.

Optionally, the apparatus further comprises:

and the condition judgment module is used for judging and receiving the brake signal sent by the brake booster, the signal that the wheel rotating speed is zero and sent by the anti-lock brake system, the signal that the depth is zero and sent by the accelerator pedal and the gear signal that the gear is empty and sent by the gear device according to the vehicle driving signal, and determining that the preset condition is met.

Optionally, the operation module includes:

the receiving unit is used for receiving an input signal sent by the torque controller;

the sending unit is used for sending an output signal to the motor controller according to the input signal;

and the torque control unit is used for controlling the torque of the motor controller according to the output signal.

Optionally, the apparatus further comprises:

and the integration module is used for integrating the torque controller in the vehicle control unit.

Optionally, the input signal received by the receiving unit includes:

an acceleration signal sent by an accelerator pedal to the vehicle control unit;

the clutch opening degree signal is sent to the whole vehicle controller by the clutch;

the electric control brake booster sends a brake signal to the whole vehicle controller;

the anti-lock braking system sends a signal of the wheel rotating speed to the vehicle control unit;

and the gear shifter transmits a gear signal to the vehicle control unit.

Optionally, after switching the current operation mode of the vehicle from the first operation mode to the second operation mode, the apparatus further includes:

and the writing module is used for writing the second operation mode into a power-down storage area of the instrument controller as the current operation mode.

Optionally, the apparatus further comprises:

and the reading module is used for reading the stored current operation mode from the power-down storage area and executing the current operation mode when the vehicle is powered on.

An embodiment of the third aspect of the invention also provides an electric vehicle, which includes the operation control device.

The invention has the beneficial effects that:

according to the scheme, when the vehicle is in a first operation mode after being powered on, a vehicle driving signal is obtained; when the vehicle driving signal is judged to meet the preset condition, switching the current operation mode of the vehicle from a first operation mode to a second operation mode; the first operation mode is one of manual gear operation and automatic gear operation, and the second operation mode is the other one of the manual gear operation and the automatic gear operation; wherein in the first mode of operation the vehicle's shifter has a first functional mode; in the second operation mode, the gear shifting device of the vehicle has a second function mode, and by means of the scheme, the manual gear shifting and automatic gear shifting operation modes of the electric vehicle can be switched.

Drawings

FIG. 1 is a flow chart of an operation control method provided by an embodiment of the present invention;

FIG. 2 illustrates a schematic diagram of a manual transmission provided by an embodiment of the present invention;

FIG. 3 illustrates a schematic diagram of an automatic transmission provided by an embodiment of the present invention;

FIG. 4 is a schematic block diagram of a control method according to an embodiment of the present invention;

FIG. 5 is a flow chart illustrating shift manual and automatic range operation control provided by an embodiment of the present invention;

fig. 6 is a schematic structural diagram of an operation control device according to an embodiment of the present invention.

Description of reference numerals:

1-an accelerator pedal; 2-an electronically controlled brake booster; 3-anti-lock brake system; 4-manual shift/automatic shift; 5-a clutch; 6-controller area network; 7-vehicle control unit; 8-a torque controller; 9-a meter controller; and 10, a motor controller.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

The invention provides an operation control method and device and an electric automobile, aiming at the problems that in the prior art, the cost of a single electric automobile is high, and the switching of operation modes of a manual gear and an automatic gear cannot be realized.

The operation control method is described in detail below in specific examples.

As shown in fig. 1, the present invention provides an operation control method including:

step 101: the vehicle drive signal is acquired when the vehicle is in a first operating mode after being powered on.

It should be noted that the operation control method can be applied to an electric vehicle, such as a single-motor single-stage reducer front-wheel drive electric vehicle or an electric vehicle driven by other driving methods. The operation method can be applied to driving training vehicles in driving schools and can also be applied to daily scenes.

The whole vehicle is in a first operation mode after being electrified, and a driving signal of the vehicle is obtained, wherein the first operation mode can be manual gear operation or automatic gear operation. When the first operation mode is manual gear operation, the obtained driving signals of the vehicle at least comprise an acceleration signal sent by an accelerator pedal to the vehicle controller, a clutch opening degree signal sent by a clutch to the vehicle controller, a braking signal sent by an electric control brake booster to the vehicle controller, a wheel rotating speed signal sent by an anti-lock braking system to the vehicle controller, and one of manual gear signals sent by a gear shifter to the vehicle controller. When the first operation mode is automatic gear operation, the obtained driving signals of the vehicle at least comprise signals sent by an accelerator pedal to a vehicle controller, signals sent by a brake pedal to the vehicle controller, signals of wheel rotating speed sent by an anti-lock braking system to the vehicle controller and gear signals of the automatic gear sent by a gear device to the vehicle controller.

Step 102: when the vehicle driving signal is judged to meet the preset condition, switching the current operation mode of the vehicle from a first operation mode to a second operation mode; the first operation mode is one of manual operation and automatic operation, and the second operation mode is the other one of the manual operation and the automatic operation;

wherein in the first mode of operation the vehicle's shifter has a first functional mode; in the second mode of operation, the vehicle's range unit has a second functional mode.

The method further comprises the following steps:

and according to the vehicle driving signal, determining that the preset condition is met when a brake signal sent by a brake booster, a signal that the wheel rotating speed is zero and sent by an anti-lock brake system, a signal that the depth is zero and sent by an accelerator pedal and a gear signal that the gear sent by a gear device is empty are received.

It should be noted that when the vehicle switches between the manual shift mode and the automatic shift mode, the vehicle needs to satisfy the preset condition, that is, when four signals of a brake signal sent by a brake booster, a signal sent by an anti-lock brake system that the wheel rotation speed is zero, a signal sent by an accelerator pedal that the depth is zero, and a shift signal sent by a shifter that the shift position is empty are received, the preset condition is satisfied, and the manual shift mode and the automatic shift mode can be switched.

The first operation mode is one of manual operation and automatic operation, and the second operation mode is the other one of the manual operation and the automatic operation;

wherein in the first mode of operation the vehicle's shifter has a first functional mode; in the second mode of operation, the vehicle's range unit has a second functional mode.

In the present embodiment, the first operating mode is a manual shift mode, in which the vehicle gear device has a first functional mode, the gear shifting principle of which is shown in fig. 2, and the gear device has 1 gear, 2 gear, 3 gear, 4 gear, 5 gear, and neutral N gear and reverse R gear. The second operation mode is automatic gear operation, in the automatic gear operation mode, the gear device of the vehicle has a second functional mode, the gear shifting principle of the gear device is shown in fig. 3, neutral N gear and reverse R gear are consistent with the first functional mode, and the driving gear D gear of the second functional mode is the 3-gear position in the first functional mode.

The first operation mode is automatic gear operation, the current operation mode of the vehicle is switched from the first operation mode to a second operation mode, and the method comprises the following steps:

receiving an input signal sent by a torque controller;

sending an output signal to a motor controller according to the input signal;

and according to the output signal, the motor controller performs torque control.

The method further comprises the following steps:

and integrating the torque controller into a vehicle control unit.

The input signals sent by the torque controller comprise:

an acceleration signal sent by an accelerator pedal to the vehicle control unit;

the clutch opening degree signal is sent to the whole vehicle controller by the clutch;

the electric control brake booster sends a brake signal to the whole vehicle controller;

the anti-lock braking system sends a signal of the wheel rotating speed to the vehicle control unit;

and the gear shifter transmits a gear signal to the vehicle control unit.

In the present embodiment, the first operation mode is an automatic shift operation, the second operation mode is a manual shift operation, and as shown in the schematic structural diagram of the control method shown in fig. 4, when the current operation mode of the vehicle is switched from the automatic shift operation to the manual shift operation, the vehicle control unit 7 receives an input signal transmitted by the torque controller 8, and includes: the method comprises the steps that an acceleration signal is sent by an accelerator pedal 1 to a vehicle controller 7, a clutch opening degree signal is sent by a clutch 5 to the vehicle controller 7, a brake signal is sent by an electric control brake booster 2 to the vehicle controller 7, a wheel rotating speed signal is sent by an anti-lock brake system 3 to the vehicle controller 7, a gear signal is sent by a manual gear/automatic gear 4 to the vehicle controller 7, wherein the accelerator pedal 1 obtains the acceleration intention of a driver after verifying two analog voltage signals, the clutch 5 obtains the clutch opening degree after verifying the two analog voltage signals, the electric control brake booster 2 obtains a brake pedal treading mark and a treading depth, and four high and low levels of the manual gear/automatic gear 4 are combined to obtain a gear position.

According to the input signal, the vehicle control unit 7 sends an output signal to the motor controller 10, controls torque output of the motor controller 10 according to the output signal, and is used for simulating driving torque control of working conditions such as starting and running of the fuel vehicle, braking torque control of working conditions such as engine dragging and falling, and the like, and the vehicle control unit 7 controls contents displayed by the instrument controller 9 according to the input signal, wherein the contents include whole content switching of display of the fuel vehicle and the electric vehicle, engine starting and flameout prompt, engine rotating speed display simulation and the like. The instrument controller 9, the motor controller 10, the electric control brake booster 2 and the anti-lock brake system 3 are connected with the vehicle control unit 7 through the controller local area network 6.

In this embodiment, the torque controller 8 is integrated into the vehicle control unit 7, so that one controller is omitted, and the cost of a single vehicle is greatly reduced.

After switching the current operating mode of the vehicle from the first operating mode to the second operating mode, the method further comprises:

and writing the second operation mode as the current operation mode into a power-down storage area of the instrument controller.

The method further comprises the following steps:

and when the vehicle is powered on, reading the stored current operation mode from the power-down storage area, and executing the current operation mode.

The vehicle control unit obtains the operation intention of the driver according to the soft switch for switching the manual gear and the automatic gear, which is arranged on the meter controller, switches the operation modes of the manual gear and the automatic gear, and writes the second operation mode as the current operation mode into the power-down storage area of the meter controller after the current operation mode of the vehicle is switched from the first operation mode to the second operation mode. The operation mode of the last power-on is adopted when the vehicle is powered on for the second time, and the condition that the operation mode needs to be modified every time the vehicle gets on is avoided.

As shown in fig. 5, fig. 5 is a flowchart of the control for switching the manual shift and the automatic shift according to the embodiment of the present invention.

When the whole vehicle is electrified for the first time, the whole vehicle controller reads the manual gear or automatic gear operation mode in the power-down memory of the instrument controller and judges which operation mode the whole vehicle enters. In order to ensure that the vehicle is not in misoperation and danger caused by the change of the gear operation mode, the instrument controller allows the operation mode to be switched when the preset conditions are met after the vehicle is powered on, and the switching result is stored in a power-down memory of the instrument controller.

As shown in fig. 6, fig. 6 is a schematic structural diagram of an operation control device according to an embodiment of the present invention, including:

the obtaining module 601 is configured to obtain a vehicle driving signal when the vehicle is in a first operation mode after being powered on;

the operation module 602 is configured to switch a current operation mode of the vehicle from a first operation mode to a second operation mode when it is determined that the vehicle driving signal meets the preset condition; the first operation mode is one of manual gear operation and automatic gear operation, and the second operation mode is the other one of the manual gear operation and the automatic gear operation;

wherein in the first mode of operation the vehicle's shifter has a first functional mode; in the second mode of operation, the vehicle's range unit has a second functional mode.

Optionally, the apparatus further comprises:

and the condition judgment module is used for judging and receiving the brake signal sent by the brake booster, the signal that the wheel rotating speed is zero and sent by the anti-lock brake system, the signal that the depth is zero and sent by the accelerator pedal and the gear signal that the gear is empty and sent by the gear device according to the vehicle driving signal, and determining that the preset condition is met.

Optionally, the operation module 602 includes:

the receiving unit is used for receiving an input signal sent by the torque controller;

the sending unit is used for sending an output signal to the motor controller according to the input signal;

and the torque control unit is used for controlling the torque of the motor controller according to the output signal.

Optionally, the apparatus further comprises:

and the integration module is used for integrating the torque controller in the vehicle control unit.

Optionally, the input signal received by the receiving unit includes:

an acceleration signal sent by an accelerator pedal to the vehicle control unit;

the clutch opening degree signal is sent to the whole vehicle controller by the clutch;

the electric control brake booster sends a brake signal to the whole vehicle controller;

the anti-lock braking system sends a signal of the wheel rotating speed to the vehicle control unit;

and the gear shifter transmits a gear signal to the vehicle control unit.

Optionally, after switching the current operation mode of the vehicle from the first operation mode to the second operation mode, the apparatus further includes:

and the writing module is used for writing the second operation mode into a power-down storage area of the instrument controller as the current operation mode.

Optionally, the apparatus further comprises:

and the reading module is used for reading the stored current operation mode from the power-down storage area and executing the current operation mode when the vehicle is powered on.

The embodiment of the invention also provides an electric automobile which comprises the operation control device.

The electric vehicle provided with the operation control device has both the manual shift mode and the automatic shift mode, and can realize switching between the manual shift mode and the automatic shift mode of the electric vehicle.

While the preferred embodiments of the present invention have been described, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the following claims.