CN111717145B - Multi-path vehicle power supply switching method and device - Google Patents

Multi-path vehicle power supply switching method and device Download PDF

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Publication number
CN111717145B
CN111717145B CN201910208880.4A CN201910208880A CN111717145B CN 111717145 B CN111717145 B CN 111717145B CN 201910208880 A CN201910208880 A CN 201910208880A CN 111717145 B CN111717145 B CN 111717145B
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state
switching
power
switching instruction
vehicle
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CN111717145A (en
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张方伟
王志海
杨超
金明明
顾俊生
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Chongqing Ruilan Automobile Research Institute Co ltd
Zhejiang Geely Holding Group Co Ltd
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Zhejiang Jizhi New Energy Automobile Technology Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00Electric 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
    • B60R16/02Electric 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
    • B60R16/03Electric 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 supply of electrical power to vehicle subsystems or for
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00Electric 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
    • B60R16/02Electric 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
    • B60R16/023Electric 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

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  • Mechanical Engineering (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

The invention provides a multi-path finished automobile power supply switching method and device. The method comprises the steps of dividing the power supply of the whole vehicle into an off state, an on state and a driving state; the power supply of the whole vehicle only supplies power to basic electric appliances in the closed state, the power supply of the whole vehicle can supply power to electric appliances except a vehicle driving system in the open state, and the driving state supplies power to all electric appliances including the vehicle driving system; acquiring a power state switching instruction; the power state switching instruction acquisition is realized by two modes of directly generating a power state switching instruction by detecting the state of a power state switching switch and generating a power state switching instruction by detecting the operation of a user on other components of a non-power state switching switch; and switching the power state according to the power state switching instruction. The invention can simplify the power supply switching path in the most common power supply mode switching scene and realize more flexible power supply mode switching under the scene that user intention presumption is needed.

Description

Multi-path vehicle power supply switching method and device
Technical Field
The invention relates to the field of vehicle control, in particular to a multi-path whole vehicle power supply switching method and device.
Background
At present, the power mode switching modes of vehicle types on the market are mainly classified into two types: the first type is a switching mode for switching the power mode by the active operation of a user, and the second type is a switching mode for switching the power mode based on scene presumption.
The first kind of switching modes can be divided into two types, namely a switching mode for switching the power mode based on the position change of the mechanical key and a switching mode for switching the power mode based on the operation of the one-key start key, as shown in fig. 1, which shows the switching logic of the switching mode of the one-key start key:
when the vehicle is in an OFF state, most functions are unavailable, and only a small part of functions are reserved, such as functions of a double flashing light, an instrument and the like, in the mode, when a user presses a start key for a short time, the vehicle power mode can automatically jump to an ACC gear, and in the ACC mode, the user can listen to entertainment functions such as a radio and the like; in the ACC mode, a user presses a start key for a short time, the vehicle power mode can automatically jump to an ON gear, and most comfort functions of the vehicle can be used, such as air conditioner light and the like; in any power mode, when the user steps ON the brake and simultaneously presses the start key for a short time, the vehicle power mode automatically jumps to Ready, in which the vehicle can be driven, and in Ready and ON gear, can be switched to OFF by pressing the start key for a short time.
Switching power supply and switching power supply in a one-key starting key mode based on the position change of the mechanical key both require a user to actively trigger switching according to the current scene, and only the specific switching mode is different, and the current scene of the user cannot be predicted, so that the automatic switching of the power supply mode cannot be performed.
In a second switching mode, a user does not need to consciously switch a power supply mode before using certain functions, the switching logic is shown in fig. 2, most functions are unavailable under the condition that the vehicle is OFF (flameout), only a small number of functions are reserved, such as functions of a double flashing light, an instrument and the like, when the user is judged to enter the vehicle, the power supply mode of the vehicle can automatically jump to an ON gear, and specifically, whether the user enters the vehicle can be judged through conditions such as when the user opens the vehicle door, or steps ON a brake pedal, or changes the weight of a main driving seat, or lightly touching a touch screen within a preset time after OFF. In the ON mode, most comfort functions of the vehicle, such as air conditioner lights and the like, can be used except for driving, and when a user steps ON the brake to shift gears, the power mode of the vehicle automatically jumps to Ready, and the vehicle can drive in the mode.
The switching mode does not need manual switching of the power supply mode by a user, and the scene where the user is located and the actual requirement can be predicted by setting the corresponding sensor, so that the automatic switching of the power supply mode is realized. However, the power switching logic of this mode is not fine, and it is not possible to automatically switch to the power mode available to some electric appliances, and it is not highly suitable for the use habit of the user.
Disclosure of Invention
In order to solve the technical problem, the invention provides a multi-path finished automobile power supply switching method and device.
The invention is realized by the following technical scheme:
a multi-path vehicle power supply switching method comprises the following steps:
dividing the whole vehicle power supply into an off state, an on state and a driving state; the whole vehicle power supply in the off state only supplies power to basic electrical appliances, the on state can supply power to electrical appliances except a vehicle driving system, and the whole vehicle power supply in the driving state can supply power to all electrical appliances including the vehicle driving system;
acquiring a power state switching instruction; the power state switching instruction acquisition is realized by two modes of directly generating a power state switching instruction by detecting the state of a power state switching switch and generating a power state switching instruction by detecting the operation of a user on other components of a non-power state switching switch;
and switching the power state according to the power state switching instruction.
Further, still include:
responding to a preset opening state switching instruction, and judging whether the vehicle is in a defense solving state or not;
and if so, issuing an initial switching instruction, wherein the initial switching instruction is used for switching the power state of the whole vehicle from a closed state to an open state.
Further, responding to a preset driving state switching instruction; the driving state switching instruction is used for directly switching the power supply mode from the off state or the on state to the driving state;
and if so, issuing a driving switching instruction, wherein the driving switching instruction is used for switching the power state of the whole vehicle from the starting state to the driving state.
Further, still include and carry out power mode switching under driving state, specifically include:
defining a first switching instruction triggering mode for switching from a driving state to an opening state and a second switching instruction triggering mode for switching from the driving state to a closing state;
responding to a first switching instruction, and switching the power supply mode from the driving state to the starting state;
and responding to a second switching instruction, and switching the power supply mode from the driving state to the off state.
Further, the triggering manner of the first switching instruction includes:
the vehicle body controller acquires the time when the power state change-over switch is pressed;
judging whether the time reaches a preset time or not;
if so, the vehicle body controller acquires the current vehicle speed;
and if the current vehicle speed is greater than zero, triggering the first switching instruction.
Further, the triggering manner of the second switching instruction includes:
the vehicle body controller detects that the power state change-over switch is pressed for a short time, and then the current vehicle speed is obtained;
and if the current vehicle speed is equal to zero, triggering the second switching instruction.
Or the like, or, alternatively,
when the vehicle body controller detects that the remote control locking instruction is triggered, acquiring the state of the safety belt;
and if the safety belt is not fastened, triggering the second switching instruction.
Further, the method further includes switching the power mode in an on state, specifically including:
defining a third switching instruction triggering mode for switching from the on state to the off state and a fourth switching instruction triggering mode for switching from the on state to the driving state;
responding to a third switching instruction, and switching the power mode from the on state to the off state;
responding to a fourth switching instruction, and switching the power supply mode from the starting state to the driving state; if the vehicle body detector detects that the power state switch is pressed for a short time and the brake pedal is pressed down, or the brake pedal is pressed down and the brake lever module detects that the gear is shifted to the reverse gear or the driving gear, a fourth switching instruction is triggered.
A multi-path vehicle power supply switching device comprises:
the system comprises a gear level module, an air conditioner control module, a remote communication module, a vehicle controller and a vehicle body controller; the gear shifting rod module, the air conditioner control module, the remote communication module and the vehicle controller are all connected with the vehicle body controller;
the gear shifting rod module is used for acquiring gear shifting operation;
the air conditioner control module is used for acquiring an air conditioner on-off request;
the remote communication module is used for receiving information of a remote control air conditioner;
the vehicle control unit is used for judging whether the power supply mode is allowed to be switched to the driving state or not and quitting from the driving state mode;
the vehicle body controller is used for executing power supply switching instruction triggering logic for starting the power supply state switching switch by one key, performing power supply mode switching control according to the operation of a user on other parts of the non-power supply state switching switch, and performing power supply switching control according to the judgment result of the vehicle control unit; the operation of the other components of the non-power state change-over switch is obtained through a vehicle body controller, a gear shift lever module, an air conditioner control module and a remote communication module.
Further, the vehicle body controller includes:
the power mode dividing module is used for dividing the whole vehicle power supply into a closed state, an open state and a driving state; the whole vehicle power supply in the off state only supplies power to basic electrical appliances, the on state can supply power to electrical appliances except a vehicle driving system, and the whole vehicle power supply in the driving state can supply power to all electrical appliances including the vehicle driving system;
the power supply switching instruction acquisition module is used for acquiring a power supply state switching instruction;
and the switching module is used for switching the power state according to the power state switching instruction.
Further, the power switching instruction obtaining module includes:
the initial switching instruction issuing unit is used for responding to a preset opening state switching instruction and judging whether the vehicle is in a defense solving state or not; if so, issuing an initial switching instruction, wherein the initial switching instruction is used for switching the power state of the whole vehicle from a closed state to an open state;
the driving switching instruction issuing unit is used for responding to a preset driving state switching instruction; the driving state switching instruction is used for directly switching the power supply mode from the off state or the on state to the driving state; if so, issuing a driving switching instruction, wherein the driving switching instruction is used for switching the power state of the whole vehicle from an on state to a driving state;
the switching instruction issuing unit under the driving state is used for acquiring a power mode switching instruction under the driving state;
and the switching instruction issuing unit in the starting state is used for acquiring the power mode switching instruction in the starting state.
The invention has the beneficial effects that:
the invention provides a multi-path vehicle power supply switching method and device, which can simplify a power supply switching path in the most common power supply mode switching scene and realize more flexible power supply mode switching in the scene needing user intention presumption.
Drawings
FIG. 1 is a schematic diagram illustrating a switching manner of a one-key-activated key mode according to the background art of the present invention;
FIG. 2 is a schematic diagram of a power mode switching method based on scene inference according to the background art of the present invention;
FIG. 3 is a flowchart of a multi-path vehicle power switching method provided in the embodiment of the present invention;
FIG. 4 is a schematic diagram of a multi-path vehicle power switching apparatus according to an embodiment of the present invention;
FIG. 5 is a flow chart of a first part of a power state switching method according to an embodiment of the present invention;
FIG. 6 is a flow chart of a second part of a power state switching method according to an embodiment of the present invention;
FIG. 7 is a flowchart of a method for switching power modes during driving according to an embodiment of the present invention;
FIG. 8 is a flowchart of a method for switching power modes in an ON state according to an embodiment of the present invention;
FIG. 9 is a block diagram of a vehicle body controller provided by an embodiment of the present invention;
fig. 10 is a block diagram of a power switching instruction obtaining module according to an embodiment of the present invention.
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 further detail with reference to the accompanying drawings.
The power mode switching method based on scene speculation can optimize the operation of a user in most scenes, but the intention of the user is easily speculated wrongly in a few scenes, so that some bad experiences are brought to the user, and even the intention of the user cannot be judged in some scenes. For example, when a taxi appointment driver arrives at a pick-up place, there may be several choices, such as listening to a radio or resting on his back, according to the preference of the user, and the two choices are different in power mode and difficult to guess. Therefore, the embodiment of the invention aims to provide a more flexible power mode switching method which can draw the advantages of combining scene presumption and starting of a power switch.
The embodiment of the invention discloses a multi-path whole vehicle power supply switching method, as shown in figure 3, comprising the following steps:
s101, dividing the whole vehicle power supply into a closed state, an open state and a driving state; the whole vehicle power supply in the off state only supplies power for basic electric appliances, the on state can supply power for electric appliances except a vehicle driving system, and the whole vehicle power supply in the driving state can supply power for all electric appliances including the vehicle driving system.
In particular, only a few functions, such as a double flashing light, a meter, etc., can be realized in the off state; most comfort functions including air conditioning refrigeration and heating can be realized in the starting state; specifically, the on state may include a first power-on state and a second power-on state, where the vehicle power supply in the first power-on state may supply power to other non-high-voltage electrical appliances except the vehicle drive system, and the second power-on state may also supply power to the high-voltage electrical appliances.
And S102, acquiring a power state switching instruction.
Specifically, the acquiring of the power state switching instruction includes directly generating the power state switching instruction by detecting the state of the power state switching switch, and generating the power state switching instruction by detecting the operation of the user on other components of the non-power state switching switch.
The power mode switching can be realized by supposing the intention of the user under the most common scenes by detecting the operation of the user on other parts of the non-power state switch to generate the power state switching instruction, so that most of the operation of the user can be simplified, and the experience of the user is improved.
And S103, switching the power state according to the power state switching instruction.
The embodiment of the invention can be compatible with the power supply switching instruction triggering logic of the one-key starting power supply state switching switch in the prior art when obtaining the power supply switching instruction, and can also detect the operation of a user on other parts of the non-power supply state switching switch so as to speculate the intention of the user, so that the embodiment of the invention is compatible with the advantages of two main power supply mode switching methods in the prior art, achieves the effect of intelligently switching the power supply mode, is convenient for the user to carry out more flexible operation, and has higher conformity with the requirements of the user.
To further explain the power mode switching logic in the embodiment of the present invention, the embodiment of the present invention first provides a multi-path vehicle power switching apparatus, as shown in fig. 4, the apparatus includes: the system comprises a gear level module, an air conditioner control module, a remote communication module, a vehicle controller and a vehicle body controller; the gear shifting rod module, the air conditioner control module, the remote communication module and the vehicle controller are all connected with the vehicle body controller;
the gear shifting rod module is used for acquiring gear shifting operation;
the air conditioner control module is used for acquiring an air conditioner on-off request;
the remote communication module is used for receiving information of a remote control air conditioner;
the vehicle control unit is used for judging whether the power supply mode is allowed to be switched to the driving state or not and quitting from the driving state mode;
the vehicle body controller is used for executing power supply switching instruction triggering logic for starting the power supply state switching switch by one key, performing power supply mode switching control according to the operation of a user on other parts of the non-power supply state switching switch, and performing power supply switching control according to the judgment result of the vehicle control unit; the operation of the other components of the non-power state change-over switch is obtained through a vehicle body controller, a gear shift lever module, an air conditioner control module and a remote communication module.
Specifically, the vehicle body controller may also collect a brake pedal operation command.
Further, the apparatus further comprises:
and the ON relay is used for supplying power to the load of the electric appliance in the starting mode or awakening the electric appliance in the starting mode when the power supply mode is the starting mode. And the ON relay is controlled by the vehicle body controller to be closed or opened.
Further, the apparatus further comprises:
and the battery replacement controller is used for acquiring the information of the battery replacement sensor and judging whether the battery module is installed in place.
And the independent gateway is used for realizing message routing of the vehicle body controller, the gear lever module, the battery replacement controller, the remote communication module, the air conditioner control module and the vehicle control unit.
In one possible embodiment, the communication between the various physical devices may be via a CAN bus.
In the embodiment of the invention, after the vehicle body controller is used as a main control module of the power mode switching device, the gear shifting lever module, the battery replacement controller, the remote communication module, the air conditioner control module and the vehicle control unit sends the request to the vehicle body controller, the vehicle body controller executes specific power mode switching logic. Of course, in other possible embodiments, other modules may be used in place of the vehicle body controller travel master function.
For a user, the power supply mode is switched by mainly operating a brake pedal, a gear shift switch and starting a power supply state switch, and the power supply mode can also be switched by directly using some functions, for example, the aim of switching the power supply mode can also be fulfilled by the refrigerating and heating functions of an air conditioner.
Specifically, based on the above power mode switching device, an embodiment of the present invention specifically provides a power state switching method, as shown in fig. 5, including:
s1, responding to a preset opening state switching instruction, and judging whether the vehicle is in a defense solving state or not.
Specifically, the on-state switching instruction may be obtained by the vehicle body controller detecting that the power state switch is pressed or the brake pedal is pressed, the air conditioner control module detecting that the air conditioner switch is triggered, or the remote communication module detecting that an air conditioner on request is issued.
According to the embodiment of the invention, the vehicle can enter the defense unlocking state by unlocking the vehicle in advance by using the key.
And S2, if so, issuing an initial switching instruction, wherein the initial switching instruction is used for switching the power state of the whole vehicle from a closed state to an open state.
Further, as shown in fig. 6, the method further includes:
s3, responding to a preset driving state switching instruction; the driving state switching instruction is used for directly switching the power supply mode from the off state or the on state to the driving state.
Specifically, the driving state switching instruction may be obtained by the vehicle body controller detecting that the power state switch is pressed and the brake pedal is depressed, or the vehicle body controller detecting that the brake pedal is depressed and the shift lever module detecting that the shift position is switched to the reverse gear or the drive gear.
And S4, if so, issuing a driving switching instruction, wherein the driving switching instruction is used for switching the power state of the whole vehicle from the starting state to the driving state.
Further, an embodiment of the present invention further provides a method for switching power modes in a driving state, as shown in fig. 7, including:
s10, defining a first switching instruction triggering mode for switching from the driving state to the opening state and a second switching instruction triggering mode for switching from the driving state to the closing state.
S20, responding to a first switching instruction, and switching the power mode from the driving state to the starting state.
Specifically, the triggering manner of the first switching instruction is as follows:
s201, the vehicle body controller obtains the time when the power state switch is pressed.
S202, judging whether the time reaches preset time.
Specifically, the preset time in the embodiment of the present invention may be set according to an actual requirement, and is preferably 7 seconds.
S203, if yes, the vehicle body controller obtains the current vehicle speed.
And S204, if the current vehicle speed is greater than zero, triggering the first switching instruction.
And S30, responding to a second switching instruction, and switching the power supply mode from the driving state to the closing state.
Specifically, the triggering manner of the second switching instruction may be:
s301, the vehicle body controller detects that the power state change-over switch is pressed for a short time, and then the current vehicle speed is obtained.
And S303, if the current vehicle speed is equal to zero, triggering the second switching instruction.
Specifically, the triggering manner of the second switching instruction may further be:
s302, when the vehicle body controller detects that the remote control locking instruction is triggered, the state of the safety belt is obtained.
S304, if the safety belt is not fastened, the second switching instruction is triggered.
Further, an embodiment of the present invention further provides a method for switching a power mode in an on state, as shown in fig. 8, including:
s100, defining a third switching instruction triggering mode for switching from an open state to a closed state and a fourth switching instruction triggering mode for switching from the open state to a driving state.
S200, responding to a third switching instruction, and switching the power mode from the on state to the off state.
Specifically, the triggering manner of the third switching instruction may be:
and S2001, when the vehicle body detector detects that the power state switch is pressed for a short time, a remote control vehicle locking request is sent out or the vehicle is mechanically locked through a key, triggering the third switching instruction.
Specifically, the triggering manner of the third switching instruction may further be:
and S2002, when the vehicle body detector detects that the idle time of the vehicle exceeds a preset threshold value, triggering the third switching instruction.
Specifically, the vehicle idle time is a time when the vehicle does not receive any operation instruction, and the preset threshold value may be set according to actual needs.
Specifically, the triggering manner of the third switching instruction may further be:
and S2003, responding to the air conditioner starting request detected by the remote communication module.
And S2004, detecting the residual electric quantity of the current vehicle by the vehicle body detector.
And S2005, if the residual electric quantity is smaller than a preset electric quantity low value, triggering the third switching instruction.
And S300, responding to a fourth switching instruction, and switching the power supply mode from the starting state to the driving state.
Specifically, the triggering manner of the fourth switching instruction may be:
s3001, the vehicle body detector detects that the power state switch is pressed for a short time and the brake pedal is pressed down, or the brake pedal is pressed down and the brake lever module detects that the gear is shifted to a reverse gear or a driving gear, and then a fourth switching instruction is triggered.
Further, the open state includes a first power-on state and a second power-on state, so an embodiment of the present invention further provides a method for switching between the first power-on state and the second power-on state, including: and responding to the high-voltage component opening instruction, and switching the first power-on state into a second power-on state.
Specifically, the high-voltage component is a component requiring high voltage, such as a power battery, a driving motor, a high-voltage distribution box (PDU), a device DC/DC for converting high-voltage direct current into low-voltage direct current, an on-board charger OBC, a controller integrating BC and DC/DC, a PTC heater, a high-voltage wire harness, and the like. In the embodiment of the invention, when the vehicle-mounted air conditioner is started, the switching between the first power-on state and the second power-on state can be triggered.
Correspondingly, if the high-voltage component closing instruction is responded, the second power-on state can be switched to the first power-on state.
Further, if a battery swap request is detected, high-voltage power down is automatically performed so that the vehicle is in a battery swap mode.
The multi-path vehicle power supply switching method disclosed by the embodiment of the invention can simplify the power supply switching path in the most common power supply mode switching scene, and the following detailed examples are given:
(1) after entering the vehicle, a user can directly step on the brake to put into gear to start the vehicle, and does not need to enter a driving mode in advance in a mode of stepping on the brake and pressing a power mode change-over switch and then step on the brake to put into gear to start the vehicle;
(2) when the user leaves the vehicle, the user unlocks the safety belt and directly locks the vehicle without any other additional operation;
(3) after entering the vehicle, a user can directly use the air conditioning function without switching the power supply mode to the ON mode in advance;
(4) when a power change request is available, the vehicle can automatically cut off the high voltage to enable the vehicle to be in a power change mode;
in addition, the embodiment of the invention can also realize more flexible power mode switching under the scene that user intention presumption is needed, for example, after a taxi booking driver arrives at a passenger receiving place, the driver can realize the purpose of taking a rest by pressing the power state switch to realize the power off, and can also realize the purposes of listening to music and the like by pressing the power state switch again.
Accordingly, in the apparatus for implementing the power mode switching logic, the vehicle body controller mainly implements the switching logic, and as shown in fig. 9, the vehicle body controller includes:
the power mode dividing module 201 is used for dividing the vehicle power into an off state, an on state and a driving state; the whole vehicle power supply in the off state only supplies power for basic electric appliances, the on state can supply power for electric appliances except a vehicle driving system, and the whole vehicle power supply in the driving state can supply power for all electric appliances including the vehicle driving system.
A power switching instruction obtaining module 202, configured to obtain a power state switching instruction.
And the switching module 203 is configured to switch the power state according to the power state switching instruction.
Specifically, as shown in fig. 10, the power switching instruction obtaining module 202 includes:
the initial switching instruction issuing unit 2021 is configured to respond to a preset on-state switching instruction and determine whether the vehicle is in a defense solving state; and if so, issuing an initial switching instruction, wherein the initial switching instruction is used for switching the power state of the whole vehicle from a closed state to an open state.
A driving switching instruction issuing unit 2022 configured to respond to a preset driving state switching instruction; the driving state switching instruction is used for directly switching the power supply mode from the off state or the on state to the driving state; and if so, issuing a driving switching instruction, wherein the driving switching instruction is used for switching the power state of the whole vehicle from the starting state to the driving state.
A driving state switching instruction issuing unit 2023 configured to obtain a power mode switching instruction in the driving state. Specifically, please refer to steps S10-S30.
The on-state switching instruction issuing unit 2024 is configured to obtain a power mode switching instruction in an on state. Specifically, please refer to steps S100-S300.
The embodiment of the invention discloses a multi-path whole vehicle power supply switching device and a method embodiment based on the same inventive concept.
In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
Similarly, it should be appreciated that in the foregoing description of exemplary embodiments of the invention, various features of the invention are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the disclosure and aiding in the understanding of one or more of the various inventive aspects. However, the disclosed method should not be interpreted as reflecting an intention that: that the invention as claimed requires more features than are expressly recited in each claim. Rather, as the following claims reflect, inventive aspects lie in less than all features of a single foregoing disclosed embodiment. Thus, the claims following the detailed description are hereby expressly incorporated into this detailed description, with each claim standing on its own as a separate embodiment of this invention.
Those skilled in the art will appreciate that the modules in the device in an embodiment may be adaptively changed and disposed in one or more devices different from the embodiment. The modules or units or components of the embodiments may be combined into one module or unit or component, and furthermore they may be divided into a plurality of sub-modules or sub-units or sub-components. All of the features disclosed in this specification (including any accompanying claims, abstract and drawings), and all of the processes or elements of any method or apparatus so disclosed, may be combined in any combination, except combinations where at least some of such features and/or processes or elements are mutually exclusive. Each feature disclosed in this specification (including any accompanying claims, abstract and drawings) may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise.
Furthermore, those skilled in the art will appreciate that although embodiments described herein include some features included in other embodiments, not other features, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments. For example, in the claims of the present invention, any of the claimed embodiments may be used in any combination.
The present invention may also be embodied as apparatus or system programs (e.g., computer programs and computer program products) for performing a portion or all of the methods described herein. Such programs implementing the present invention may be stored on computer-readable media or may be in the form of one or more signals. Such a signal may be downloaded from an internet website, provided on a carrier signal, or provided in any other form.
It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps or the like not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. The invention may be implemented by means of hardware comprising several distinct elements, and by means of a suitably programmed computer. In the unit claims enumerating several systems, several of these systems may be embodied by one and the same item of hardware. The usage of the words first, second and third, etcetera do not indicate any ordering and these words may be interpreted as names.

Claims (10)

1. A multi-path vehicle power supply switching method is characterized by comprising the following steps:
dividing the whole vehicle power supply into an off state, an on state and a driving state; the whole vehicle power supply in the off state only supplies power to basic electrical appliances, the on state can supply power to electrical appliances except a vehicle driving system, and the whole vehicle power supply in the driving state can supply power to all electrical appliances including the vehicle driving system;
acquiring a power state switching instruction; the power state switching instruction acquisition is realized in two ways of directly generating a power state switching instruction by detecting the state of a power state switching switch and generating a power state switching instruction by detecting the operation of a user on other components of a non-power state switching switch, wherein the operation on the other components of the non-power state switching switch is acquired through a vehicle body controller, a gear shifting lever module, an air conditioner control module and a remote communication module;
and switching the power state according to the power state switching instruction.
2. The method of claim 1, further comprising:
responding to a preset opening state switching instruction, and judging whether the vehicle is in a defense solving state or not;
and if so, issuing an initial switching instruction, wherein the initial switching instruction is used for switching the power state of the whole vehicle from a closed state to an open state.
3. The method of claim 1, wherein:
responding to a preset driving state switching instruction; the driving state switching instruction is used for directly switching the power supply mode from the off state or the on state to the driving state;
and issuing a driving switching instruction, wherein the driving switching instruction is used for switching the power state of the whole vehicle from an off state or an on state to a driving state.
4. The method according to claim 1, further comprising performing power mode switching in a driving state, specifically comprising:
defining a first switching instruction triggering mode for switching from a driving state to an opening state and a second switching instruction triggering mode for switching from the driving state to a closing state;
responding to a first switching instruction, and switching the power supply mode from the driving state to the starting state;
and responding to a second switching instruction, and switching the power supply mode from the driving state to the off state.
5. The method of claim 4, wherein the triggering of the first switching instruction comprises:
the vehicle body controller acquires the time when the power state change-over switch is pressed;
judging whether the time reaches a preset time or not;
if so, the vehicle body controller acquires the current vehicle speed;
and if the current vehicle speed is greater than zero, triggering the first switching instruction.
6. The method of claim 4, wherein the triggering of the second switching instruction comprises:
the vehicle body controller detects that the power state change-over switch is pressed for a short time, and then the current vehicle speed is obtained;
if the current vehicle speed is equal to zero, triggering the second switching instruction;
or the like, or, alternatively,
when the vehicle body controller detects that the remote control locking instruction is triggered, acquiring the state of the safety belt;
and if the safety belt is not fastened, triggering the second switching instruction.
7. The method according to claim 1, further comprising performing power mode switching in an on state, specifically comprising:
defining a third switching instruction triggering mode for switching from the on state to the off state and a fourth switching instruction triggering mode for switching from the on state to the driving state;
responding to a third switching instruction, and switching the power mode from the on state to the off state;
responding to a fourth switching instruction, and switching the power supply mode from the starting state to the driving state; if the vehicle body detector detects that the power state switch is pressed for a short time and the brake pedal is pressed down, or the brake pedal is pressed down and the brake lever module detects that the gear is shifted to the reverse gear or the driving gear, a fourth switching instruction is triggered.
8. The utility model provides a multiway whole car power auto-change over device which characterized in that includes:
the system comprises a gear level module, an air conditioner control module, a remote communication module, a vehicle controller and a vehicle body controller; the gear shifting rod module, the air conditioner control module, the remote communication module and the vehicle controller are all connected with the vehicle body controller;
the gear shifting rod module is used for acquiring gear shifting operation;
the air conditioner control module is used for acquiring an air conditioner on-off request;
the remote communication module is used for receiving information of a remote control air conditioner;
the vehicle control unit is used for judging whether the power supply mode is allowed to be switched to the driving state or not and quitting from the driving state mode;
the vehicle body controller is used for executing power supply switching instruction triggering logic for starting the power supply state switching switch by one key, performing power supply mode switching control according to the operation of a user on other parts of the non-power supply state switching switch, and performing power supply switching control according to the judgment result of the vehicle control unit; the operation of the other components of the non-power state change-over switch is obtained through a vehicle body controller, a gear shift lever module, an air conditioner control module and a remote communication module.
9. The apparatus of claim 8, wherein the body controller comprises:
the power mode dividing module is used for dividing the whole vehicle power supply into a closed state, an open state and a driving state; the whole vehicle power supply in the off state only supplies power to basic electrical appliances, the on state can supply power to electrical appliances except a vehicle driving system, and the whole vehicle power supply in the driving state can supply power to all electrical appliances including the vehicle driving system;
the power supply switching instruction acquisition module is used for acquiring a power supply state switching instruction;
and the switching module is used for switching the power state according to the power state switching instruction.
10. The apparatus of claim 9, wherein the power switching instruction obtaining module comprises:
the initial switching instruction issuing unit is used for responding to a preset opening state switching instruction and judging whether the vehicle is in a defense solving state or not; if so, issuing an initial switching instruction, wherein the initial switching instruction is used for switching the power state of the whole vehicle from a closed state to an open state;
the driving switching instruction issuing unit is used for responding to a preset driving state switching instruction; the driving state switching instruction is used for directly switching the power supply mode from the off state or the on state to the driving state; issuing a driving switching instruction, wherein the driving switching instruction is used for switching the power state of the whole vehicle from an off state or an on state to a driving state;
the switching instruction issuing unit under the driving state is used for acquiring a power mode switching instruction under the driving state;
and the switching instruction issuing unit in the starting state is used for acquiring the power mode switching instruction in the starting state.
CN201910208880.4A 2019-03-19 2019-03-19 Multi-path vehicle power supply switching method and device Active CN111717145B (en)

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