CN113200000A - Vehicle quiescent current control method, system, device and computer readable storage medium - Google Patents
Vehicle quiescent current control method, system, device and computer readable storage medium Download PDFInfo
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- CN113200000A CN113200000A CN202110545850.XA CN202110545850A CN113200000A CN 113200000 A CN113200000 A CN 113200000A CN 202110545850 A CN202110545850 A CN 202110545850A CN 113200000 A CN113200000 A CN 113200000A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
- B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
- B60R16/0232—Circuits relating to the driving or the functioning of the vehicle for measuring vehicle parameters and indicating critical, abnormal or dangerous conditions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
- B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
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Abstract
The invention provides a vehicle quiescent current control method, in particular to the field of vehicle control, which comprises the following steps: after receiving a vehicle locking instruction, acquiring vehicle state parameters; judging whether the vehicle state parameters meet preset evaluation standards or not; and sending a cut-off signal to a switch module when the vehicle state parameter meets the preset evaluation standard, wherein the cut-off signal is used for cutting off the load current to the corresponding load. According to the invention, after a vehicle is parked, static current information, wheel speed and vehicle locking signals are collected, then the signals are sent to the processing module, the processing module judges whether a deep sleep condition or an abnormal condition is achieved or not through accurate calculation, and the processing module sends an instruction to the switch module (an intelligent electrical box) to intelligently cut off a marine safety and enter deep sleep, so that the whole vehicle is protected.
Description
Technical Field
The present invention relates to the field of automotive technologies, and in particular, to a method, a system, a device, and a computer-readable storage medium for controlling a vehicle quiescent current.
Background
With the rapid development of the automobile industry, automobiles enter thousands of households, great convenience is brought to the life of consumers, and the life quality of people is improved. The technology of thousands of miles a day, along with the increase of intelligent modules, technologies such as online shopping, cloud live broadcast, face recognition, 360 panorama, TBOX (Telematics BOX, vehicle-mounted T-BOX for short), intelligent seats and the like are applied to the automobile, and meanwhile, the dark current consumption of the whole automobile is increased, and the requirement on the electric quantity of the storage battery is improved. However, the weight reduction of the automobile is the development trend of the automobile, and the weight reduction is also urgent. Increasing the storage battery electric quantity and lightening the weight key performance parameters become the choking point which is designed and chosen by the current engineer.
With the development of science and technology and information technology, more black science and technology can be applied to the automobile in the future, and the dark current consumed by the whole automobile module is higher. The starting requirements of the automobile are more strict under severe conditions of low temperature, poor vehicle conditions and the like, and the storage battery can be damaged and cannot be normally started due to the fact that the automobile is static for a long time, so that the use of a client is influenced.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, it is an object of the present invention to provide a vehicle quiescent current control method, system, device and computer readable storage medium for solving the problem of inefficient operation in the prior art.
To achieve the above and other related objects, the present invention provides a vehicle quiescent current control method, comprising:
after receiving a vehicle locking instruction, acquiring vehicle state parameters;
judging whether the vehicle state parameters meet preset evaluation standards or not;
and sending a cut-off signal to a switch module when the vehicle state parameter meets the preset evaluation standard, wherein the cut-off signal is used for cutting off the load current to the corresponding load.
In an embodiment of the invention, the vehicle state parameter includes one or more of a static current value, a wheel speed, and a lock-up time.
In an embodiment of the invention, the predetermined evaluation criterion includes at least one of the following:
the difference value between the static current value and the static current target value is within a preset current threshold range;
the wheel speed is 0;
the vehicle locking time exceeds a first preset time threshold;
the static current value exceeds a preset current threshold value, and the duration time of the static current value exceeding the preset current threshold value exceeds a preset time threshold value.
In one embodiment of the present invention, the control circuit sends a cutoff signal to the switch module to cut off the load current to the corresponding load when the vehicle state parameter satisfies the following condition;
the difference value between the static current value and the static current target value is within a preset current threshold range;
the wheel speed is 0;
the locking time exceeds a first preset time threshold.
In an embodiment of the invention, when the quiescent current value exceeds the second predetermined current threshold, and the duration of the quiescent current value exceeding the second predetermined current threshold exceeds the second predetermined time threshold, a cut-off signal is sent to the switch module to cut off the load current to the corresponding load.
To achieve the above and other related objects, the present invention provides a vehicle quiescent current control system, comprising:
the parameter acquisition module is used for acquiring vehicle state parameters after receiving a vehicle locking instruction;
the judging module is used for judging whether the vehicle state parameters meet preset evaluation standards or not;
and the processing module is used for sending a cut-off signal to the switch module when the vehicle state parameter meets the preset evaluation standard, wherein the cut-off signal is used for cutting off the load current to the corresponding load.
In an embodiment of the invention, the vehicle state parameter includes one or more of a static current value, a wheel speed, and a lock-up time.
In an embodiment of the invention, the predetermined evaluation criterion includes at least one of the following:
the difference value between the static current value and the static current target value is within a preset current threshold range;
the wheel speed is 0;
the vehicle locking time exceeds a first preset time threshold;
the static current value exceeds a preset current threshold value, and the duration time of the static current value exceeding the preset current threshold value exceeds a preset time threshold value.
To achieve the above and other related objects, the present invention provides a vehicle quiescent current control device including a processor coupled to a memory, the memory storing program instructions that, when executed by the processor, implement the method.
To achieve the above and other related objects, the present invention provides a computer-readable storage medium including a program which, when run on a computer, causes the computer to execute the method.
As described above, a vehicle quiescent current control method of the present invention includes: acquiring vehicle state parameters after receiving a vehicle locking instruction; judging whether the vehicle state parameters meet preset evaluation standards or not; and sending a cut-off signal to a switch module when the vehicle state parameter meets the preset evaluation standard, wherein the cut-off signal is used for cutting off the load current to the corresponding load. According to the invention, after a vehicle is parked, static current information, wheel speed and vehicle locking signals are collected, then the signals are sent to the processing module, the processing module judges whether a deep sleep condition or an abnormal condition is achieved or not through accurate calculation, and the processing module sends an instruction to the switch module (an intelligent electrical box) to intelligently cut off a marine safety and enter deep sleep, so that the whole vehicle is protected.
Drawings
In order to more clearly illustrate the embodiments or technical solutions of the present invention, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts
FIG. 1 is a schematic diagram of a vehicle quiescent current control method in accordance with an embodiment of the present invention;
FIG. 2 is a schematic diagram of a hardware configuration of a vehicle quiescent current control system according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a hardware configuration of a vehicle quiescent current control system according to an embodiment of the present invention;
description of the element reference numerals
31. The device comprises a parameter acquisition module 32, a standard determination module 33, a judgment module 34 and a processing module.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.
It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention, and the components related to the present invention are only shown in the drawings rather than drawn according to the number, shape and size of the components in actual implementation, and the type, quantity and proportion of the components in actual implementation may be changed freely, and the layout of the components may be more complicated.
Referring to fig. 1, an embodiment of the invention provides a method for controlling a vehicle quiescent current, including the following steps:
s11, acquiring vehicle state parameters after receiving the vehicle locking instruction;
wherein the vehicle state parameters include: one or more of static current value, wheel speed, and lock-up time. If the vehicle state parameter includes a plurality of parameters, the vehicle state parameter is a combination mode, the combination mode includes at least two of a static current value, a wheel speed and a lock-up time, and may include a combination mode of a static current value and a wheel speed, a combination mode of a wheel speed and a lock-up time, a combination mode of a static current value and a lock-up time, or a combination mode of a static current value, a wheel speed and a lock-up time.
Static current can be gathered through battery sensor, and the wheel speed can be gathered through ABS (antilockboard system, braking anti-lock braking system), and the lock car time can be gathered through PEPS (Passive Entry Passive Start, keyless Entry and Start system). The collected static current CAN be sent to a BCM (body control module) in real time through a Lin line, and the wheel speed and the lock time CAN be sent to the BCM through a CAN bus.
Before judging whether the vehicle state parameters meet the preset evaluation standards, the corresponding preset evaluation standards are determined according to the vehicle state parameters.
Wherein the preset evaluation criteria include at least one of:
the difference value of the static current value and the static current target value is within a preset current threshold range;
the wheel speed is 0;
the locking time exceeds a first preset time threshold;
and fourthly, the static current value exceeds the preset current threshold, and the duration time of the static current value exceeding the preset current threshold exceeds the preset time threshold for the second time.
Specifically, for example, if the vehicle state parameter is a static current value, the preset evaluation criterion may be that (i) a difference value between the static current value and the static current target value is within a preset current threshold range, or (ii) the static current value exceeds a preset current threshold, and a duration of the static current value exceeding the preset current threshold exceeds a preset time threshold for the second time; if the vehicle state parameters are the static current value and the wheel speed, the preset evaluation standard is that firstly, the difference value between the static current value and the static current target value is within the preset current threshold range, and secondly, the wheel speed is 0; if the vehicle state parameters include: the preset evaluation criteria comprise (i) a difference value between the static current value and a static current target value is within a preset current threshold range, (ii) the wheel speed is 0, and (iii) the locking time exceeds a first preset time threshold.
S12, judging whether the vehicle state parameter meets a preset evaluation standard;
specifically, the collected vehicle state parameters are compared with preset evaluation criteria, and whether the vehicle state parameters meet the preset evaluation criteria is judged. More specifically, the collected static current value is compared with a static current target value, and if the difference value between the collected static current value and the static current target value is within a preset current threshold range, the vehicle state parameter is considered to meet a preset evaluation standard. The preset current threshold range may be set to [ -1mA, ± 1mA ], that is, if the difference between the static current value and the static current target value is [ -1mA, ± 1mA ], the preset evaluation standard is satisfied, and if the difference is not [ -1mA, ± 1mA ], the preset evaluation standard is not satisfied.
If the number of the vehicle state parameters is multiple, the vehicle state parameters are respectively compared with the corresponding preset evaluation standards, and whether the vehicle state parameters meet the preset evaluation standards or not is judged according to the comparison result.
For example, if the vehicle state parameter includes a static current value, a wheel speed, and a lock-up time, the static current value is compared with a static current target value, the wheel speed is compared with 0, and the lock-up time is compared with a first preset time threshold;
and if the difference value between the static current value and the static current target value is within a preset current threshold range, the wheel speed is 0, and the locking time is within a first preset time threshold, judging that the vehicle state parameter meets a preset evaluation standard. The preset current threshold range may be [ -1mA, ± -1mA ], and the first preset time threshold may be 30 min.
S13 sends a cut-off signal to a switch module when the vehicle state parameter meets the preset evaluation criteria, wherein the cut-off signal is used to cut off the load current to the respective load.
The switch module can be an intelligent electrical box, an electronic fuse is arranged in the intelligent electrical box, and when the vehicle state parameter meets the preset evaluation standard, a cut-off signal can be sent to the switch module through the processing module-the vehicle body controller BCM to cut off the electric connection between the corresponding load and the storage battery, and the corresponding load is forbidden to continuously consume the capacity of the storage battery. Load current to corresponding loads is intelligently cut off, so that the whole vehicle enters a deep sleep mode, the power consumption of the static current of the whole vehicle can be reduced, the performance of a storage battery is improved, and the static parking time of the whole vehicle is prolonged.
FIG. 2 is a schematic diagram of a quiescent current control system; the switch module is respectively electrically connected with the processing module and the storage battery, and the number of loads connected with the switch module can be multiple. Then the processing module starts to acquire a static current value, a wheel speed and a locking time when receiving a locking instruction triggered by a user, the wheel speed is 0 when the difference value between the static current value and the static current target value is within [ -1mA, ± 1mA ], and the locking time exceeds 30min, the processing module closes the switch module, so as to disconnect the electric connection between the load and the storage battery, and forbid the load from continuously consuming the capacity of the storage battery.
After the electric connection between the load and the storage battery is cut off, the processing module generates prompt information, the prompt information is sent to a T-BOX (telematics BOX) through a CAN (controller area network) line, the T-BOX sends the prompt information to a user terminal (a smart phone with an built-in APP) of a vehicle owner to inform a customer that an electronic fuse is cut off, and the whole vehicle enters a deep sleep mode.
In one embodiment, if the quiescent current value exceeds the predetermined current threshold, the duration of the quiescent current value exceeding the predetermined current threshold second exceeds the predetermined time threshold.
Specifically, when the difference value between the real-time static current value received by the BCM and the static current target value is more than 5mA and the duration exceeds 1S, defining the vehicle state at this time as an abnormal state, and sending a cut-off signal to the switch module at this time, wherein the cut-off signal is used for cutting off the load current to the corresponding load.
After the electric connection between the load and the storage battery is cut off, the processing module generates prompt information, the prompt information is sent to the T-BOX (telematics BOX) through the CAN line, and the T-BOX sends the prompt information to a user terminal (a smart phone with an built-in APP) of a vehicle owner to remind a customer of timely maintenance and avoid larger damage.
The specification provides the method steps as in the examples or flowcharts, but may include more or fewer steps based on conventional or non-inventive labor. The order of steps recited in the embodiments is merely one manner of performing the steps in a multitude of orders and does not represent the only order of execution.
Referring to fig. 3, a vehicle quiescent current control system is provided, the system comprising:
the parameter obtaining module 31 is configured to obtain a vehicle state parameter after receiving the vehicle locking instruction;
the judging module 32 is used for judging whether the vehicle state parameters meet preset evaluation standards;
a processing module 33, configured to send a cut-off signal to a switch module when the vehicle state parameter meets the preset evaluation criterion, wherein the cut-off signal is used to cut off the load current to the corresponding load.
In one embodiment, the vehicle state parameters include one or more of a static current value, a wheel speed, and a lock-up time.
In one embodiment, the predetermined evaluation criteria includes at least one of:
the difference value between the static current value and the static current target value is within a preset current threshold range;
the wheel speed is 0;
the vehicle locking time exceeds a first preset time threshold;
the static current value exceeds a preset current threshold value, and the duration time of the static current value exceeding the preset current threshold value exceeds a preset time threshold value.
The system provided in the above embodiment can execute the method provided in any embodiment of the present invention, and has corresponding functional modules and beneficial effects for executing the method. For technical details that are not described in detail in the above embodiments, reference may be made to a vehicle quiescent current control method provided in any embodiment of the present invention.
In summary, the vehicle quiescent current control method of the present invention includes obtaining vehicle state parameters after receiving a vehicle locking command; judging whether the vehicle state parameters meet preset evaluation standards or not; and sending a cut-off signal to a switch module when the vehicle state parameter meets the preset evaluation standard, wherein the cut-off signal is used for cutting off the load current to the corresponding load. According to the invention, after a vehicle is parked, static current information, wheel speed and vehicle locking signals are collected, then the signals are sent to the processing module, the processing module judges whether a deep sleep condition or an abnormal condition is achieved or not through accurate calculation, and the processing module sends an instruction to the switch module (an intelligent electrical box) to intelligently cut off a marine safety and enter deep sleep, so that the whole vehicle is protected. Therefore, the invention effectively overcomes various defects in the prior art and has high industrial utilization value.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
It can be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, devices and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
It should be noted that, through the above description of the embodiments, it is clear to those skilled in the art that part or all of the present application can be implemented by software in combination with a necessary general hardware platform. The functions, if implemented in the form of software functional units and sold or used as a separate product, may also be stored in a computer-readable storage medium based on the understanding that embodiments of the present invention provide a computer-readable storage medium including a program that, when run on a computer, causes the computer to execute the vehicle quiescent current control method shown in fig. 1.
An embodiment of the present invention provides a vehicle quiescent current control device, comprising a processor coupled to a memory, the memory storing program instructions that, when executed by the processor, implement the method shown in fig. 1.
With this understanding in mind, the technical solutions of the present application and/or portions thereof that contribute to the prior art may be embodied in the form of a software product that may include one or more machine-readable media having stored thereon machine-executable instructions that, when executed by one or more machines such as a computer, network of computers, or other electronic devices, may cause the one or more machines to perform operations in accordance with embodiments of the present application. Such as the steps in the power resource management method. The machine-readable medium may include, but is not limited to, floppy diskettes, optical disks, CD-ROMs (compact disc-read only memories), magneto-optical disks, ROMs (read only memories), RAMs (random access memories), EPROMs (erasable programmable read only memories), EEPROMs (electrically erasable programmable read only memories), magnetic or optical cards, flash memory, or other type of media/machine-readable medium suitable for storing machine-executable instructions. The storage medium may be located in a local server or a third-party server, such as a third-party cloud service platform. The specific cloud service platform is not limited herein, such as the Ali cloud, Tencent cloud, etc. The application is operational with numerous general purpose or special purpose computing system environments or configurations. For example: a personal computer, dedicated server computer, mainframe computer, etc. configured as a node in a distributed system.
In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus, and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, for example, the division of the units is only one logical functional division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. A vehicle quiescent current control method, characterized in that the method comprises:
after receiving a vehicle locking instruction, acquiring vehicle state parameters;
judging whether the vehicle state parameters meet preset evaluation standards or not;
and sending a cut-off signal to a switch module when the vehicle state parameter meets the preset evaluation standard, wherein the cut-off signal is used for cutting off the load current to the corresponding load.
2. The vehicle quiescent current control method of claim 1, wherein the vehicle state parameters include one or more of quiescent current value, wheel speed, lock-up time.
3. The vehicle quiescent current control method of claim 2, wherein said preset evaluation criteria include at least one of:
the difference value between the static current value and the static current target value is within a preset current threshold range;
the wheel speed is 0;
the vehicle locking time exceeds a first preset time threshold;
the static current value exceeds a preset current threshold value, and the duration time of the static current value exceeding the preset current threshold value exceeds a preset time threshold value.
4. The vehicle quiescent current control method of claim 3, wherein said control circuit sends a cutoff signal to said switch module to cut off load current to a respective load when a vehicle state parameter satisfies the following condition;
the difference value between the static current value and the static current target value is within a preset current threshold range;
the wheel speed is 0;
the locking time exceeds a first preset time threshold.
5. The vehicle quiescent current control method of claim 3, wherein a turn-off signal is sent to said switch module to turn off load current to a corresponding load when a quiescent current value exceeds a preset current threshold and the quiescent current value exceeding the preset current threshold lasts for a second time exceeding a preset time threshold.
6. A vehicle quiescent current control system, characterized in that said system comprises:
the parameter acquisition module is used for acquiring vehicle state parameters after receiving a vehicle locking instruction;
the judging module is used for judging whether the vehicle state parameters meet preset evaluation standards or not;
and the processing module is used for sending a cut-off signal to the switch module when the vehicle state parameter meets the preset evaluation standard, wherein the cut-off signal is used for cutting off the load current to the corresponding load.
7. The vehicle quiescent current control system of claim 6, wherein the vehicle state parameters include one or more of quiescent current value, wheel speed, lock-up time.
8. The vehicle quiescent current control system of claim 7, wherein said preset evaluation criteria include at least one of:
the difference value between the static current value and the static current target value is within a preset current threshold range;
the wheel speed is 0;
the vehicle locking time exceeds a first preset time threshold;
the static current value exceeds a preset current threshold value, and the duration time of the static current value exceeding the preset current threshold value exceeds a preset time threshold value.
9. A vehicle quiescent current control device comprising a processor coupled to a memory, the memory storing program instructions that, when executed by the processor, implement the method of any of claims 1 to 5.
10. A computer-readable storage medium, characterized by comprising a program which, when run on a computer, causes the computer to perform the method of any one of claims 1 to 5.
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| CN113200000B (en) | 2023-05-09 |
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