CN110733347A - Low-power consumption sleep control method and control system for vehicle - Google Patents
Low-power consumption sleep control method and control system for vehicle Download PDFInfo
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- CN110733347A CN110733347A CN201810789606.6A CN201810789606A CN110733347A CN 110733347 A CN110733347 A CN 110733347A CN 201810789606 A CN201810789606 A CN 201810789606A CN 110733347 A CN110733347 A CN 110733347A
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- 230000007958 sleep Effects 0.000 title claims abstract description 58
- 238000000034 method Methods 0.000 title claims abstract description 31
- 230000003993 interaction Effects 0.000 claims description 16
- 238000004590 computer program Methods 0.000 claims description 9
- 230000006266 hibernation Effects 0.000 claims description 4
- 230000006870 function Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000005059 dormancy Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
- B60L3/0084—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to control modules
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L1/00—Supplying electric power to auxiliary equipment of vehicles
Abstract
The invention relates to a low-power consumption sleep control method and a low-power consumption sleep control system for a vehicle, wherein the low-power consumption sleep control method for the vehicle comprises an instruction receiving step for receiving a sleep request from the outside, and a control step for controlling the vehicle to enter an ultra-low power consumption mode according to the sleep request, wherein the ultra-low power consumption mode refers to a power saving mode with lower current than that of a common vehicle in sleep and the current is lower than a preset specified value.
Description
Technical Field
The invention relates to a vehicle control technology, in particular to an vehicle low-power consumption sleep control method and a control system thereof.
Background
With the environmental protection problem and the increasing emergence of energy crisis in the world, the search for the automobile without pollution or with less pollution is a target pursued by people for a long time, and new energy electric automobiles are inevitably developed in the future under the large background.
In the prior art, in a low-voltage system of a new energy electric vehicle, a DCDC (direct current-direct current converter) converts a high voltage of a power battery into a low voltage to charge a low-voltage battery (such as a 12V low-voltage battery) and supply power to a whole vehicle low-voltage system.
Because the static power consumption of the electric intelligent automobile is large, the low-voltage battery can not support the standby time of several weeks like the traditional fuel vehicle , and therefore the high-voltage battery is required to repeatedly charge the small battery.
Disclosure of Invention
In view of the above problems, the present invention aims to propose vehicle low power consumption sleep control methods and control systems thereof capable of controlling a vehicle to enter an ultra low power consumption mode to reduce quiescent current power consumption of a low voltage system.
The low power consumption sleep control method for a vehicle of the present invention is characterized in that,
th instruction receiving step of receiving a sleep request from outside, and
, controlling the vehicle to enter an ultra-low power consumption mode according to the sleep request,
the ultra-low power consumption mode refers to that the standby current is lower than a preset specified value.
Optionally, the standby current of the ultra-low power consumption mode is lower than the current when the ordinary vehicle is in a sleep state.
Optionally, the standby current comprises an average current and a current pulse maximum.
Optionally, in the control step, a request to enter an ultra-low power mode is sent to or more ECUs, i.e., electronic control systems, of the vehicle according to the sleep request.
Optionally, a step is provided between the th command receiving step and the th control step:
a determination step of determining whether or not there is a failure in the or more ECUs of the vehicle, and if it is determined that there is no failure, continuing the control step.
Optionally, in the control step, the or more ECUs are controlled to enter a sleep mode in accordance with the request to enter an ultra low power mode.
Optionally, a step is provided after the control step:
a second instruction receiving step of receiving a request for restoring the normal mode from the outside; and
and a second control step of controlling the vehicle to be restored from the ultra-low power consumption mode to the normal mode according to the normal mode restoration request.
Optionally, in the second control step, a request to exit the ultra-low power consumption mode is sent to the or more ECUs of the vehicle according to the request to resume normal mode.
Optionally, a step is further provided between the second instruction receiving step and the second control step:
a second determination step of determining whether or not the or the plurality of ECUs of the vehicle have a failure, and if it is determined that the failure does not exist, continuing the second control step.
The present invention provides a low-power consumption sleep control system for a vehicle, comprising:
the man-machine interaction module is used for receiving a request from the outside; and
a master module controlling the vehicle such that the vehicle enters an ultra-low power consumption mode according to a request from the outside,
the ultra-low power consumption mode refers to that the standby current is lower than a preset specified value.
Optionally, the standby current of the ultra-low power consumption mode is lower than the current when the ordinary vehicle is in a sleep state.
Optionally, the standby current comprises an average current and a current pulse maximum.
Optionally, the main control module includes:
a judgment submodule for judging whether there is a failure in or more ECUs of the vehicle, and
and the control submodule is used for controlling the vehicle to enter the ultra-low power consumption mode or exit the ultra-low power consumption mode according to the request from the man-machine interaction module.
Optionally, the control sub-module controls the one or more ECUs to enter a sleep mode or to resume a normal mode from an ultra low power mode request based on the request to enter an ultra low power mode.
The computer-readable storage medium of the present invention, on which a computer program is stored, is characterized in that the program, when executed by a processor, implements the above-described control method for low-power-consumption hibernation of a vehicle.
The computer device of the present invention includes a memory, a processor, and a computer program stored in the memory and executable on the processor, and is characterized in that the processor implements the steps of the above-described control method for low power consumption sleep of a vehicle when executing the computer program.
According to the low-power-consumption dormancy control method and the control system for the vehicle, the vehicle can be controlled to enter the ultra-low power consumption mode according to the user request, so that the quiescent current power consumption of a low-voltage system can be reduced, the charging amount of a low-voltage battery by a high-voltage battery is reduced, the energy influence on the high-voltage battery is reduced, and the standby time of the whole vehicle can be prolonged.
Drawings
Fig. 1 is a schematic diagram showing a vehicle power supply system.
Fig. 2 is a flowchart illustrating a low power consumption sleep control method for a vehicle according to an embodiment of the present invention.
Fig. 3 is a block diagram showing the configuration of a low power consumption sleep control system for a vehicle according to of the present invention.
Detailed Description
Reference will now be made to of the various embodiments of the invention in order to provide a basic understanding of the invention, and it is not intended to identify key or critical elements of the invention or to delineate the scope of the invention.
Fig. 1 is a schematic diagram showing a vehicle power supply system.
As shown in fig. 1, a plurality of ECUs 10 (ECU 1, ECU2, ECU3 are illustrated in fig. 1, and the number of ECUs is not limited here, but only by way of example) of a vehicle are supplied with power from a low-voltage battery 20 and a DCDC 30, and when the low-voltage battery 20 is not charged enough to supply power to the ECU10, the high-voltage battery 40 is also required to charge the low-voltage battery 20 through the DCDC 30.
In the invention, in order to reduce the quiescent current power consumption of the low-voltage system, the vehicle is enabled to enter the ultra-low power consumption mode according to the user request, and when the user request is to enter the ultra-low power consumption mode, for example, or a plurality of ECUs with larger quiescent power consumption of the vehicle can be controlled to close corresponding functional modules, so that the quiescent power consumption is reduced, therefore, the power consumption of the low-voltage battery 20 is reduced, the charging times of the low-voltage battery 20 by the high-voltage battery 40 are reduced, the charging amount of the low-voltage battery by the high-voltage battery is reduced, the energy influence on the high-voltage battery is reduced, and the.
The ordinary vehicle sleep generally means that after a key is pulled out, vehicle communication is stopped, actuator control is stopped, a CPU on the ECU enters a low power consumption mode, for example, the standby current is less than 1 mA. for example, if the maximum pulse is less than 1mA, 30mA and the like mentioned here for example, 30 mA. under the condition that functions of vehicle Wifi, 4G and the like are closed, the maximum pulse is only examples, and a person skilled in the art can set or change the mode according to needs.
Further, as a scenario example, the user may request to enter the ultra-low power mode in the following cases, for example:
a. the user needs to leave the vehicle and does not drive the vehicle for a long time, and the standby current of the vehicle needs to be saved without charging the vehicle; and
b. the vehicle transport process reduces the vehicle standby current and can be transported for a longer period of time without charging the vehicle, for example, transporting the vehicle from a factory to a sales store.
A vehicle low-power sleep control method according to an embodiment of the present invention will be described below with reference to fig. 2.
Fig. 2 is a flowchart illustrating a low power consumption sleep control method for a vehicle according to an embodiment of the present invention.
As shown in fig. 2, the sleep control method for low power consumption of a vehicle according to the embodiment of the present invention includes the steps of:
instruction receiving step S100, receiving a sleep request from the outside, and requesting the vehicle to enter an ultra-low power consumption mode through a man-machine interaction window, such as a central control screen, a mobile phone APP and the like;
, a step S200 of judging whether or more ECUs of the vehicle have faults, if so, sending corresponding feedback signals to a human-computer interaction window to prompt a user that the vehicle cannot enter the ultra-low power consumption mode, and if not, continuing to perform a step S300 of control, which is described below;
control step S300, controlling the vehicle to enter into the ultra-low power consumption mode according to the sleep request;
second instruction receiving step S400: receiving a request for recovering the normal mode from the outside, for example, requesting the vehicle to exit the ultra-low power consumption mode and recover the normal mode through a human-computer interaction window, such as a central control screen, a mobile phone APP and the like;
a second determination step S500 of determining whether there is a fault in the or more ECUs of the vehicle, and if so, sending a corresponding feedback signal to a human-computer interaction window to prompt a user that the normal mode cannot be restored, and if not, continuing the following second control step S600, and
second control step S600: and controlling the vehicle to recover from the ultra-low power consumption mode to the normal mode according to the request for recovering the normal mode.
In the control step S300, the vehicle is controlled to enter the ultra-low power consumption mode according to the sleep request, so that all corresponding ECUs turn off corresponding modules or functions after being in sleep, such as turning off an off-car function.
In a second control step S600, the vehicle is controlled to return from the ultra-low power consumption mode to the normal mode according to the return to normal mode request. For example, after receiving a request to resume the normal mode, the corresponding ECU may resume the modules or functions of the normal standby, such as: turning on the off-car function allows the user to access the vehicle while the vehicle is parked, and the normal mode is resumed, thereby enabling the comfort, intelligence, etc. of the vehicle to be increased.
The vehicle low-power sleep control method according to the embodiment of the present invention is explained above, and the vehicle low-power sleep control system according to the embodiment of the present invention is explained next.
Fig. 3 is a block diagram showing the configuration of a low power consumption sleep control system for a vehicle according to of the present invention.
As shown in fig. 3, a low-power sleep control system for a vehicle according to an embodiment of the present invention includes:
a human-computer interaction module 100 for receiving a request from the outside; and
the main module 200 controls the vehicle such that the vehicle enters an ultra-low power mode according to a request from the outside, wherein the ultra-low power mode is a power saving mode having a lower current than that of a normal vehicle when it is in a sleep state and the current is lower than a preset prescribed value.
Here, the human-computer interaction module 100 may be presented as a human-computer interaction window, such as including but not limited to a center control screen, a mobile phone APP, and the like.
Specifically, the main control module 200 includes a determining submodule 210 for determining whether or more ECUs of the vehicle have a fault, and a control submodule 220 for controlling the vehicle to enter the ultra-low power consumption mode or exit the ultra-low power consumption mode according to a request from the human-computer interaction module.
Specifically, the determining submodule 210 is configured to determine whether a fault exists in or more ECUs 300 of the vehicle, and send a corresponding feedback signal to the human-computer interaction module 100 to prompt a user that the vehicle cannot enter the ultra-low power consumption mode if the determining submodule determines that the ECU has the fault before entering the ultra-low power consumption mode, or continue a control operation performed by the control submodule 220 if the determining submodule determines that the ECU has no fault, or , before returning from the ultra-low power consumption mode to the normal mode, determine whether a fault exists in or more ECUs 300 of the vehicle, and send a corresponding feedback signal to the human-computer interaction module 100 to prompt the user that the normal mode cannot be returned if the determining submodule determines that the ECU has no fault, continue a control operation performed by the control submodule 220.
When the human-computer interaction module 100 receives a sleep request from the outside, the request is sent to the main control module 200, and when the determination submodule 210 determines that the ECU300 has no fault, the control submodule 220 sends a request to enter the ultra-low power consumption mode to or more ECUs 300 (3 ECUs are illustrated in fig. 3, and the number of ECUs is not limited here, which are only examples) of the vehicle according to the sleep request, so that the control submodule 220 can control or more ECUs 300 to enter the sleep mode according to the request to enter the ultra-low power consumption mode.
In another aspect, when the human-computer interaction module 100 receives a request for recovering from the normal mode from the outside, the request is sent to the main control module 200, and when the determining submodule 210 determines that the ECU300 has no fault, the control submodule 220 controls the vehicle to recover from the ultra-low power consumption mode to the normal mode according to the request for recovering from the normal mode, specifically, the control submodule 220 sends a request for exiting from the ultra-low power consumption mode to or more ECUs 300 of the vehicle according to the request for recovering from the normal mode, so that the control submodule 220 can control or more ECUs 300 to recover to the normal mode according to the request for recovering from the normal mode.
The present invention also provides computer-readable storage media having stored thereon a computer program, wherein the program, when executed by a processor, implements the above-described control method for low-power-consumption hibernation of a vehicle.
The invention also provides computer devices, which comprise a memory, a processor and a computer program stored on the memory and capable of running on the processor, and is characterized in that the processor implements the steps of the control method for low power consumption dormancy of the vehicle when executing the computer program.
As described above, the vehicle low-power-consumption sleep control method and the control system thereof according to the present invention can control the vehicle to enter the ultra-low power consumption mode according to the user request, thereby reducing the quiescent current power consumption of the low-voltage system, reducing the charging amount of the low-voltage battery from the high-voltage battery, reducing the energy influence on the high-voltage battery, and increasing the standby time of the entire vehicle.
Although are described in detail, it should be understood by those skilled in the art that the present invention can be embodied in many other forms without departing from the spirit and scope of the invention.
Claims (16)
- The low-power consumption sleep control method for the vehicles is characterized by comprising the following steps of:th instruction receiving step of receiving a sleep request from outside, and, controlling the vehicle to enter an ultra-low power consumption mode according to the sleep request,the ultra-low power consumption mode is a power saving mode with standby current lower than a preset specified value.
- 2. The vehicle low-power consumption sleep control method according to claim 1,the standby current of the ultra-low power consumption mode is lower than that of the ordinary vehicle when the ordinary vehicle is in a dormant state.
- 3. The vehicle low-power consumption sleep control method according to claim 1,the standby current comprises an average current and a current pulse maximum.
- 4. The vehicle low-power consumption sleep control method according to claim 1,in the control step, a request to enter an ultra low power mode is sent to or more ECUs, i.e., electronic control systems, of a vehicle according to the sleep request.
- 5. The vehicle low power consumption sleep control method according to claim 4, characterized in that between the th command receiving step and the th control step, a further step is provided of:a determination step of determining whether or not there is a failure in or a plurality of the ECUs of the vehicle, and if it is determined that there is no failure, continuing the control step.
- 6. The vehicle low-power consumption sleep control method according to claim 5,in the control step, controlling or more of the ECUs to enter a sleep mode in accordance with the request to enter an ultra low power mode.
- 7. The vehicle low power consumption sleep control method according to claim 5, characterized in that after the control step, a step is further provided with:a second instruction receiving step of receiving a request for restoring the normal mode from the outside; andand a second control step of controlling the vehicle to be restored from the ultra-low power consumption mode to the normal mode according to the normal mode restoration request.
- 8. The vehicle low-power consumption sleep control method according to claim 7,in the second control step, a request to exit the ultra low power consumption mode is sent to the or more ECUs of the vehicle according to the resume normal mode request.
- 9. The vehicle low power consumption sleep control method according to claim 8, further between the second instruction receiving step and the second control step includes:a second determination step of determining whether or not the or the plurality of ECUs of the vehicle have a failure, and if it is determined that the failure does not exist, continuing the second control step.
- 10, A vehicle low-power consumption sleep control system, comprising:the man-machine interaction module is used for receiving a request from the outside; anda master module controlling the vehicle such that the vehicle enters an ultra-low power consumption mode according to a request from the outside,the ultra-low power consumption mode refers to a mode that the ratio of the standby current is lower than a preset specified value.
- 11. The vehicle low power consumption sleep control system as claimed in claim 10,the standby current of the ultra-low power consumption mode is lower than that of the ordinary vehicle when the ordinary vehicle is in a dormant state.
- 12. The vehicle low power consumption sleep control system as claimed in claim 10,the standby current comprises an average current and a current pulse maximum.
- 13. The vehicle low power consumption sleep control system according to claim 10, wherein the main control module includes:a judgment submodule for judging whether there is a failure in or more ECUs of the vehicle, andand the control submodule is used for controlling the vehicle to enter the ultra-low power consumption mode or exit the ultra-low power consumption mode according to the request from the man-machine interaction module.
- 14. The vehicle low-power consumption sleep control system according to claim 13,the control sub-module controls the or more ECUs to enter a sleep mode or to return to a normal mode from an ultra low power mode request according to the ultra low power mode entry request.
- 15, computer-readable storage medium on which a computer program is stored, wherein the program, when executed by a processor, implements a method for controlling low power consumption hibernation of a vehicle as claimed in any of claims 1-9, wherein the method is implemented as claimed in any of the claims .
- 16, computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor when executing the computer program implements the steps of the method for controlling low power consumption hibernation of a vehicle according to any of claims 1-9, wherein the steps are defined as in any of claims .
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| CN201810789606.6A CN110733347B (en) | 2018-07-18 | 2018-07-18 | Vehicle low-power-consumption dormancy control method and control system thereof |
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