CN113791600A - Data memory method and device based on scheduling mode - Google Patents
Data memory method and device based on scheduling mode Download PDFInfo
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- CN113791600A CN113791600A CN202110898656.XA CN202110898656A CN113791600A CN 113791600 A CN113791600 A CN 113791600A CN 202110898656 A CN202110898656 A CN 202110898656A CN 113791600 A CN113791600 A CN 113791600A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
- G05B23/0213—Modular or universal configuration of the monitoring system, e.g. monitoring system having modules that may be combined to build monitoring program; monitoring system that can be applied to legacy systems; adaptable monitoring system; using different communication protocols
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
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Abstract
The invention relates to a data memory method and device based on a scheduling mode, firstly judging whether a scheduling mode trigger condition is satisfied, if so, entering the scheduling mode, wherein when a vehicle is in the scheduling mode, data acquisition, processing and storage of a vehicle-mounted controller are normally executed, and a vehicle-mounted display device displays that a mileage value and an outgoing mileage value are both 0; and under the dispatching mode, judging whether a dispatching mode exit condition is satisfied, if so, exiting the dispatching mode, and resetting the mileage data stored in the vehicle-mounted controller. The invention is beneficial to reducing the sale and transportation cost of the whole vehicle in a host factory, simultaneously can not cause other problems, and fully considers the safety, the economy, the universality and the portability.
Description
Technical Field
The invention relates to the technical field of vehicle data storage, in particular to a data memory method and device based on a scheduling mode.
Background
With the rapid promotion of automobile electromotion, intellectualization, networking and sharing, the data volume of the automobile presents an unprecedented well-jet type growth situation, and a plurality of new problems are provided for the fields of data acquisition, processing, storage and the like.
In the prior art, in the aspects of data storage and backup, an ECU stores data based on time according to the type of a current mode power supply, and data is also stored based on event triggering. For example, the automobile mileage generally specifies how many kilometers are saved once or the next ON gear is saved once, and a general saving strategy is relatively fixed, and once the mileage is saved, a user cannot modify the mileage.
Considering a scenario where vehicles are off-line from a final assembly plant to a sales site of a dealer, which may be hundreds of kilometers away, a common passenger vehicle is transported in bulk by a special trailer, and the vehicle to be transported does not need to be powered on in the whole process, so that mileage data is not generated. However, for commercial vehicles, especially heavy trucks, the safety and economy of this transportation method cannot meet the requirements of the host plant. Therefore, the existing method is to drive from the final assembly offline to the dealer, but the whole process generates hundreds of thousands of mileage data, and the dealer cannot process the saved data, which affects the vehicle sales. In the process, some host factories choose to unplug mileage related sensors, and some host factories even unplug ABS systems to avoid the problem. However, the disadvantage of the method is obvious, the vehicle speed sensor is removed, the vehicle speed is not displayed, and driving anxiety is easy to generate; the safety of driving is seriously influenced by pulling out the ABS system. Therefore, no method for considering safety, economy, universality and portability exists at present aiming at the data memory problem of the commercial vehicle scheduling and transporting link.
Disclosure of Invention
The invention provides a data memorizing method and device based on a scheduling mode, aiming at the technical problems in the prior art.
The technical scheme for solving the technical problems is as follows:
in one aspect, the present invention provides a data memorizing method based on a scheduling mode, including:
judging whether a scheduling mode trigger condition is satisfied, if so, entering a scheduling mode, normally executing data acquisition, processing and storage of a vehicle-mounted controller when the vehicle is in the scheduling mode, and displaying a mileage numerical value and an outgoing mileage numerical value to be 0 by a vehicle-mounted display device;
and judging whether the exit condition of the dispatching mode is satisfied, if so, exiting the dispatching mode, and resetting the mileage data stored in the vehicle-mounted controller.
Further, the scheduling mode triggering condition includes:
1) under the working condition that the ON gear is ON and the vehicle speed is 0, the operation password is correctly input;
2) the accumulated mileage value stored in the controller is not more than a preset mileage value; the accumulated mileage value is stored once every certain kilometer or once every ON gear;
3) the number of times of entering the scheduling mode is not more than the preset number of times; each time the dispatching mode is entered, the counter is increased by 1;
and when the three conditions are all satisfied, the vehicle enters a dispatching mode.
Further, the scheduling mode exit condition includes:
1) the accumulated mileage value stored in the controller is larger than a preset mileage value;
2) the number of times of entering the scheduling mode is larger than the preset number of times;
when any one of the above conditions is satisfied, the vehicle exits the dispatch mode.
Further, the scheduling mode exit condition includes: in the scheduling mode, the operation controller restores factory settings.
In another aspect, the present invention further provides a data memorizing device based on a scheduling mode, including: the system comprises a voltage acquisition circuit, a vehicle speed acquisition circuit, a main controller, a data display unit, a data memory unit and a human-computer interaction interface;
the voltage acquisition circuit is used for acquiring the up-down electric signals of the ON gear of the vehicle;
the vehicle speed acquisition circuit is used for acquiring vehicle speed signals;
the main controller is used for judging the triggering and exiting conditions of the dispatching mode according to the signals acquired by the voltage acquisition circuit and the vehicle speed acquisition circuit and the input signals of the human-computer interaction interface, recording vehicle running data and storing the vehicle running data into the data memory unit;
the man-machine interaction interface is used for inputting an operation password and a factory setting recovery instruction and sending the operation password and the factory setting recovery instruction to the main controller;
the data display unit is used for displaying the real-time scheduling mode state.
Further, if the following conditions are simultaneously met, the main controller controls the vehicle to enter a dispatching mode:
1) under the working condition that the ON gear is ON and the vehicle speed is 0, the operation password is correctly input;
2) the accumulated mileage value stored in the controller is not more than a preset mileage value;
3) the number of times of entering the scheduling mode is not more than the preset number of times.
Further, the main controller controls the vehicle to exit the dispatching mode if one of the following conditions is met:
1) the accumulated mileage value stored in the controller is larger than a preset mileage value;
2) the number of times of entering the scheduling mode is larger than the preset number of times.
Further, if in the dispatching mode, the main controller receives a factory resetting instruction sent by the human-computer interaction interface, and the vehicle is controlled to exit the dispatching mode.
The invention has the beneficial effects that: the data memory method and device based on the dispatching mode are not limited to mileage data, the thought can be generally used for processing and memorizing other data of the whole vehicle, and the method and device have unique technical effects.
1. The invention is suitable for collecting data of various controllers, and has wide application range and strong adaptability.
2. The data acquisition and memory method provided by the invention does not consume large software resources and has good performability.
3. The method is beneficial to reducing the sale and transportation cost of the whole vehicle in a host factory, does not cause other problems, and fully considers the safety, the economy, the universality and the portability.
4. The technical scheme of the invention can be used in a plurality of fields in the industry, does not cause a large amount of research and development investment, but has the remarkable effect of achieving twice the result with half the effort, and has strong universality and convenient popularization.
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FIG. 1 is a schematic diagram of a data storage device based on a scheduling mode according to an embodiment of the present invention;
fig. 2 is a schematic flow chart of a data memorizing method based on a scheduling mode according to an embodiment of the present invention.
Detailed Description
The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the invention.
Fig. 1 is a schematic structural diagram of a data memorizing device based on a scheduling mode according to an embodiment of the present invention, as shown in fig. 1, the data memorizing device based on the scheduling mode includes: the system comprises a voltage acquisition circuit, a vehicle speed acquisition circuit, a main controller, a data display unit, a data memory unit and a human-computer interaction interface;
the voltage acquisition circuit is used for acquiring the up-down electric signals of the ON gear of the vehicle;
the vehicle speed acquisition circuit is used for acquiring vehicle speed signals;
the main controller is used for judging the triggering and exiting conditions of the dispatching mode according to the signals acquired by the voltage acquisition circuit and the vehicle speed acquisition circuit and the input signals of the human-computer interaction interface, recording vehicle running data and storing the vehicle running data into the data memory unit;
the man-machine interaction interface is used for inputting an operation password and a factory setting recovery instruction and sending the operation password and the factory setting recovery instruction to the main controller;
the data display unit is used for displaying the real-time scheduling mode state.
The vehicle is driven from the final assembly line to the dealer and the features of the parts in the dispatch mode are defined as follows: the controller can enter a dispatching mode when meeting a plurality of conditions at the same time, and the data acquisition, processing and storage of the main controller are normally executed in the dispatching mode, wherein the data acquisition, processing and storage of the main controller comprise the normal calculation and storage of a mileage value L by the controller, but the mileage value displayed by the data display unit is 0, and the issued mileage value is also 0. Meanwhile, the driver is prompted through the data display unit in a text mode, for example, the whole vehicle is in a dispatching mode.
Based on the device, the embodiment of the invention provides a data memory method based on a scheduling mode, which comprises the steps of judging whether a scheduling mode trigger condition is satisfied, and entering the scheduling mode if the scheduling mode trigger condition is satisfied; and judging whether the exit condition of the dispatching mode is satisfied, if so, exiting the dispatching mode, and resetting the mileage data stored in the vehicle-mounted controller.
The condition for entering the scheduling mode can be flexibly set. In this embodiment, under the working condition that the ON gear is ON and the vehicle speed is 0 ON the whole vehicle, the password keys are sequentially operated in the human-computer interaction interface to form a group of passwords. The specific requirement of the data memory function of the link is provided by a host factory, so the man-machine interaction interface and the operation password are managed within a certain range, and regular modification is supported to ensure the confidentiality of the method. The condition one is that the operation password is input correctly, and if the specific interface is exited midway, the key record is cleared; if the password is input wrongly, the key record is cleared, and the current error value is discarded. And under the second condition, the accumulated mileage L stored by the controller is less than or equal to L1(km), wherein L can be stored once by a specified number of kilometers, or is stored once every time the power is turned ON, and is an accumulated value. Conditional three, the controller will remember the number of times to enter the dispatch mode, labeled N, when N ≦ N1. When the three conditions are met simultaneously, the main controller can enter a dispatching mode, and meanwhile, the controller adds 1 to the entering frequency mark N and displays a text prompt that the whole vehicle is in the dispatching mode.
The data memory method is only suitable for a vehicle dispatching mode, and the vehicle can be cleared and retreated in the following mode once sold to an end user. The invention provides two exit modes, namely active exit and forced exit. In the dispatching mode, the host factory can send a factory reset instruction through operating a human-computer interaction interface, and can actively exit the mode. To control some of the mileage and times constraints of the mode, the controller will force the automatic exit from the mode when one of the following conditions is met. The condition one is that the accumulated mileage value L which is memorized by the controller is more than L1; and secondly, when the current vehicle entering the dispatching mode times mark N & gt N1 memorized by the controller is met, the controller exits the dispatching mode when the condition I or the condition II is met, the stored accumulated mileage value L is cleared, and the vehicle exits the character prompt of 'the whole vehicle is in the dispatching mode'. And simultaneously, displaying and transmitting the mileage data according to a set strategy.
The mileage limit value and the access frequency limit value can be set and managed by the host factory. In particular, in the normal mode, the mileage data cannot be cleared by the "factory reset" instruction. Moreover, the password is dynamically and periodically modified, and is agreed by the component manufacturer and the host factory. The flow of the data memorizing method based on the scheduling mode is shown in fig. 2.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. A data memorizing method based on a scheduling mode is characterized by comprising the following steps:
judging whether a scheduling mode trigger condition is satisfied, if so, entering a scheduling mode, normally executing data acquisition, processing and storage of a vehicle-mounted controller when the vehicle is in the scheduling mode, and displaying a mileage numerical value and an outgoing mileage numerical value to be 0 by a vehicle-mounted display device;
and judging whether the exit condition of the dispatching mode is satisfied, if so, exiting the dispatching mode, and resetting the mileage data stored in the vehicle-mounted controller.
2. The data memorizing method based on the scheduling mode of claim 1, wherein the scheduling mode triggering condition comprises:
1) under the working condition that the ON gear is ON and the vehicle speed is 0, the operation password is correctly input;
2) the accumulated mileage value stored in the controller is not more than a preset mileage value; the accumulated mileage value is stored once every certain kilometer or once every ON gear;
3) the number of times of entering the scheduling mode is not more than the preset number of times; each time the dispatching mode is entered, the counter is increased by 1;
and when the three conditions are all satisfied, the vehicle enters a dispatching mode.
3. The method as claimed in claim 1, wherein the scheduling mode exit condition comprises:
1) the accumulated mileage value stored in the controller is larger than a preset mileage value;
2) the number of times of entering the scheduling mode is larger than the preset number of times;
when any one of the above conditions is satisfied, the vehicle exits the dispatch mode.
4. The method as claimed in claim 1, wherein the scheduling mode exit condition comprises: in the scheduling mode, the operation controller restores factory settings.
5. A data memorization device based on a scheduling mode, comprising: the system comprises a voltage acquisition circuit, a vehicle speed acquisition circuit, a main controller, a data display unit, a data memory unit and a human-computer interaction interface;
the voltage acquisition circuit is used for acquiring the up-down electric signals of the ON gear of the vehicle;
the vehicle speed acquisition circuit is used for acquiring vehicle speed signals;
the main controller is used for judging the triggering and exiting conditions of the dispatching mode according to the signals acquired by the voltage acquisition circuit and the vehicle speed acquisition circuit and the input signals of the human-computer interaction interface, recording vehicle running data and storing the vehicle running data into the data memory unit;
the man-machine interaction interface is used for inputting an operation password and a factory setting recovery instruction and sending the operation password and the factory setting recovery instruction to the main controller;
the data display unit is used for displaying the real-time scheduling mode state.
6. The data memorizing device based on the dispatching mode as claimed in claim 5, wherein the main controller controls the vehicle to enter the dispatching mode if the following conditions are satisfied simultaneously:
1) under the working condition that the ON gear is ON and the vehicle speed is 0, the operation password is correctly input;
2) the accumulated mileage value stored in the controller is not more than a preset mileage value;
3) the number of times of entering the scheduling mode is not more than the preset number of times.
7. The data storage device based on dispatching mode of claim 5, wherein the master controller controls the vehicle to exit the dispatching mode if one of the following conditions is satisfied:
1) the accumulated mileage value stored in the controller is larger than a preset mileage value;
2) the number of times of entering the scheduling mode is larger than the preset number of times.
8. The data memorizing device based on the dispatching mode of claim 5, wherein if in the dispatching mode, the main controller receives a factory reset command sent by the human-computer interaction interface, the vehicle is controlled to exit the dispatching mode.
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105564246A (en) * | 2015-12-28 | 2016-05-11 | 广州汽车集团股份有限公司 | Mileage display control method and system |
CN107168127A (en) * | 2017-06-21 | 2017-09-15 | 上海优玺网络科技股份有限公司 | A kind of carwash intelligent controller and interface operation method |
CN110912964A (en) * | 2019-10-23 | 2020-03-24 | 中国第一汽车股份有限公司 | Vehicle mileage backup system, method, device, electronic equipment and medium |
CN111038413A (en) * | 2020-01-15 | 2020-04-21 | 江铃汽车股份有限公司 | Vehicle mode logic control and switching method |
FR3094505A1 (en) * | 2019-03-26 | 2020-10-02 | Continental Automotive | Method for detecting tampering with an electronic motor vehicle odometer |
KR20210025958A (en) * | 2019-08-28 | 2021-03-10 | 송정원 | Vehicle managing method linked with car repair station using smart device and system thereof |
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- 2021-08-05 CN CN202110898656.XA patent/CN113791600A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105564246A (en) * | 2015-12-28 | 2016-05-11 | 广州汽车集团股份有限公司 | Mileage display control method and system |
CN107168127A (en) * | 2017-06-21 | 2017-09-15 | 上海优玺网络科技股份有限公司 | A kind of carwash intelligent controller and interface operation method |
FR3094505A1 (en) * | 2019-03-26 | 2020-10-02 | Continental Automotive | Method for detecting tampering with an electronic motor vehicle odometer |
KR20210025958A (en) * | 2019-08-28 | 2021-03-10 | 송정원 | Vehicle managing method linked with car repair station using smart device and system thereof |
CN110912964A (en) * | 2019-10-23 | 2020-03-24 | 中国第一汽车股份有限公司 | Vehicle mileage backup system, method, device, electronic equipment and medium |
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Application publication date: 20211214 |