CN114673617B - Method and device for monitoring working state of starter and vehicle - Google Patents

Abstract

This application provides a method, a monitoring device and a vehicle for monitoring the working status of a starter. The method includes: obtaining multiple sets of cold start data of the engine to which the starter belongs. Each set of cold start data at least includes one-to-one corresponding engine cold start data. The starting time of startup and the ambient temperature when the engine is cold-started; determine some groups of cold-start data as target cold-start data. Among all target cold-start data, the difference in ambient temperature between any two groups of target cold-start data is less than the first Predetermined temperature difference; when the target average value is greater than the starting time threshold, the working status abnormal information is sent. The working status abnormal information is used to prompt the abnormal working status of the starter. The target average value is the start time of the predetermined number of target cold start data. average value. This method solves the problem of low service life of the starter caused by the inability of the existing technology to monitor the working status of the starter.

Description

Monitoring method, monitoring device and vehicle for working status of starter

Technical field

The present application relates to the field of engine technology, specifically, to a method for monitoring the working status of a starter, a monitoring device, a computer-readable storage medium, a processor and a vehicle.

Background technique

At present, engine starters only inspect components after a fault is reported or the engine fails to start. Generally, it will be found to be a starter problem and replaced directly, causing economic losses to the user.

The above information disclosed in this Background section is only used to enhance understanding of the background of the technology described herein. Therefore, the Background may contain certain information that would not be known in this country to a person skilled in the art. Known existing technology.

Contents of the invention

The main purpose of this application is to provide a method, monitoring device, computer-readable storage medium, processor and vehicle for monitoring the working status of a starter, so as to solve the problems caused by the inability to monitor the working status of the starter in the prior art. The problem of low service life.

According to an aspect of an embodiment of the present invention, a method for monitoring the working status of a starter is provided, including: acquiring multiple sets of cold start data of an engine to which the starter belongs, each set of cold start data including at least one-to-one correspondence. The starting time of the engine cold start and the ambient temperature at the time of the engine cold start; determine a partial group of the cold start data as the target cold start data, and among all the target cold start data, any two groups of the target The difference in the ambient temperature of the cold start data is less than the first predetermined temperature difference; when the target average value is greater than the starting time threshold, working status abnormal information is sent, and the working status abnormal information is used to prompt the work of the starter If the status is abnormal, the target average value is the average value of the startup time of a predetermined number of the target cold start data.

Optionally, obtaining the cold start data of the engine to which the starter belongs includes: obtaining multiple sets of start data of the engine, each set of the start data including the water temperature when the engine starts and the oil temperature when the engine starts. , the starting time when the engine is started and the ambient temperature when the engine is started; when the first difference and the second difference are both less than the second predetermined temperature difference, the start data is determined to be the cold start data , the first difference is the difference between the water temperature and the ambient temperature, and the second difference is the difference between the oil temperature and the ambient temperature.

Optionally, obtaining the starting data of the engine includes: calculating the time from when the engine is powered on until the engine speed reaches a predetermined speed to obtain the starting time.

Optionally, determining the target cold start data according to the cold start data includes: dividing the operating temperature range of the starter into a plurality of ambient temperature intervals; determining the starting time threshold according to the ambient temperature interval, the The ambient temperature interval corresponds to the startup time threshold one-to-one; the cold start data with the ambient temperature within the target ambient temperature interval is determined as the target cold start data, and the target ambient temperature interval is any one of the ambient temperature range.

Optionally, when the target average value is greater than the startup time threshold, sending the working status abnormal information includes: calculating the average value of the startup time of the predetermined number of the target cold start data to obtain the target average value. value; when the target average value is greater than the target start-up time threshold, the working status abnormal information is sent, and the target start-up time threshold is the start-up time threshold corresponding to the target ambient temperature interval.

Optionally, determining the startup time threshold according to the ambient temperature interval includes: obtaining multiple sets of the cold start data of a target historical time period, and obtaining multiple sets of reference cold start data, where the target historical time period is the A period of predetermined length of time starting after the starter is updated; determining the maximum startup time among multiple target reference cold start data as the startup time threshold corresponding to the ambient temperature interval, and the target reference cold start data is the reference cold start data when the ambient temperature is within the ambient temperature range.

According to another aspect of the embodiment of the present invention, a device for monitoring the working status of a starter is also provided, including: an acquisition unit that acquires multiple sets of cold start data of the engine to which the starter belongs, and each set of cold start data is at least It includes a one-to-one correspondence between the starting time of the engine cold start and the ambient temperature at the time of the engine cold start; a determination unit for determining a partial group of the cold start data as target cold start data, and all the target cold start data. In the startup data, the difference between the ambient temperatures of any two sets of the target cold start data is less than the first predetermined temperature difference; the sending unit is used to send working status abnormal information when the target average value is greater than the startup time threshold, The working status abnormality information is used to prompt the abnormal working status of the starter, and the target average value is the average value of the starting time of a predetermined number of the target cold start data.

According to yet another aspect of the embodiment of the present invention, a computer-readable storage medium is also provided. The computer-readable storage medium includes a stored program, wherein the program executes any one of the methods described above.

According to yet another aspect of the embodiment of the present invention, a processor is also provided, and the processor is configured to run a program, wherein the program executes any one of the methods described above when running.

According to an aspect of an embodiment of the present invention, a vehicle is also provided, including: an engine, one or more processors, a memory, and one or more programs, the engine includes a starter, wherein the one or more Programs are stored in the memory and configured for execution by the one or more processors, the one or more programs including for performing the method of any one of the claims.

In the embodiment of the present invention, in the above method for monitoring the working status of the starter, first, multiple sets of cold start data of the engine to which the starter belongs are obtained, and each set of the cold start data at least includes one-to-one correspondence of the cold start data of the engine. The starting time and the ambient temperature when the engine is cold started; then, determine the partial group of the above cold start data as the target cold start data. Among all the above target cold start data, the above ambient temperature of any two groups of the above target cold start data is The difference is less than the first predetermined temperature difference; finally, when the target average value is greater than the starting time threshold, the working status abnormal information is sent. The above working status abnormal information is used to prompt the abnormal working status of the above-mentioned starter, and the above target average value is the predetermined The average of the above startup times for the above number of target cold start data. This method obtains the startup time of a cold start with a similar ambient temperature at startup, and calculates the average value of a predetermined number of startup times. When the average value is greater than the startup time threshold, it can be determined that the working efficiency of the starter has declined, and abnormal working status information is sent. The user is prompted to perform maintenance on the starter to increase the service life of the starter, which solves the problem of low service life of the starter due to the inability of the existing technology to monitor the working status of the starter.

Description of the drawings

The description and drawings that constitute a part of this application are used to provide a further understanding of this application. The illustrative embodiments and their descriptions of this application are used to explain this application and do not constitute an improper limitation of this application. In the attached picture:

Figure 1 shows a flow chart of a method for monitoring the working status of a starter according to an embodiment of the present application;

Figure 2 shows a flow chart of a method for monitoring the working status of a starter according to another specific embodiment of the present application;

Figure 3 shows a schematic diagram of a device for monitoring the working status of a starter according to an embodiment of the present application.

Detailed ways

It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the present application. Unless otherwise defined, all technical and scientific terms used herein have the same meanings commonly understood by one of ordinary skill in the art to which this application belongs.

It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, the singular forms are also intended to include the plural forms unless the context clearly indicates otherwise. Furthermore, it will be understood that when the terms "comprises" and/or "includes" are used in this specification, they indicate There are features, steps, operations, means, components and/or combinations thereof.

It will be understood that when an element (such as a layer, film, region, or substrate) is referred to as being "on" another element, it can be directly on the other element or intervening elements may also be present. Furthermore, in the specification and claims, when an element is described as being "connected" to another element, it can be "directly connected" to the other element, or "connected" to the other element through a third element.

For the convenience of description, some nouns or terms involved in the embodiments of this application are described below:

Starter: It is a component of the engine that drives the engine to run above a specific speed through power supply, thereby causing the diesel in the engine to be compression ignited and the engine to start normally.

As mentioned in the background art, the inability to monitor the working status of the starter in the prior art results in a low service life of the starter. In order to solve the above problem, a typical implementation of the present application provides a starter A method, a monitoring device, a computer-readable storage medium, a processor and a vehicle for monitoring the working status of a machine.

According to an embodiment of the present application, a method for monitoring the working status of a starter is provided.

Figure 1 is a flow chart of a method for monitoring the working status of a starter according to an embodiment of the present application. As shown in Figure 1, the method includes the following steps:

Step S101, obtain multiple sets of cold start data of the engine to which the starter belongs. Each set of the cold start data includes at least one-to-one correspondence between the start time of the cold start of the engine and the ambient temperature at the time of cold start of the engine;

Step S102, determine that the above-mentioned cold start data of the partial group is the target cold start data, and among all the above-mentioned target cold start data, the difference in the above-mentioned ambient temperature of any two groups of the above-mentioned target cold start data is less than the first predetermined temperature difference;

Step S103: When the target average value is greater than the startup time threshold, the working status abnormality information is sent. The working status abnormality information is used to prompt the abnormal working status of the starter. The target average value is a predetermined number of the target cold start data. The average value of the above startup times.

In the above method for monitoring the working status of the starter, first, multiple sets of cold start data of the engine to which the starter belongs are obtained. Each set of the cold start data at least includes a one-to-one correspondence between the start time of the cold start of the above engine and the cold start of the above engine. The ambient temperature at the time; then, determine the partial group of the above-mentioned cold start data as the target cold start data. Among all the above-mentioned target cold start data, the difference in the above-mentioned ambient temperature of any two groups of the above-mentioned target cold start data is less than the first predetermined temperature difference. ; Finally, when the target average value is greater than the startup time threshold, the working status abnormality information is sent. The above working status abnormality information is used to prompt the abnormal working status of the above-mentioned starter. The above-mentioned target average value is a predetermined number of the above-mentioned target cold start data. The average value of the above startup times. This method obtains the startup time of a cold start with a similar ambient temperature at startup, and calculates the average value of a predetermined number of startup times. When the average value is greater than the startup time threshold, it can be determined that the working efficiency of the starter has declined, and abnormal working status information is sent. The user is prompted to perform maintenance on the starter to increase the service life of the starter, which solves the problem of low service life of the starter due to the inability of the existing technology to monitor the working status of the starter.

It should be noted that the steps shown in the flowchart of the accompanying drawings can be executed in a computer system such as a set of computer-executable instructions, and, although a logical sequence is shown in the flowchart, in some cases, The steps shown or described may be performed in a different order than here.

In one embodiment of the present application, obtaining the cold start data of the engine to which the starter belongs includes: obtaining multiple sets of starting data of the above-mentioned engine. Each set of the above-mentioned start-up data includes the water temperature when the above-mentioned engine is started, the oil temperature when the above-mentioned engine is started. temperature, the starting time when the engine is started and the ambient temperature when the engine is started; when the first difference and the second difference are both less than the second predetermined temperature difference, it is determined that the above-mentioned start-up data is the above-mentioned cold start data, and the above-mentioned third The first difference is the difference between the water temperature and the ambient temperature, and the second difference is the difference between the oil temperature and the ambient temperature. In this embodiment, the cold start of the engine is the start of the engine after it has been stopped and left for a period of time to completely cool down. If the engine is not started cold, the friction torque during engine operation will be different, resulting in a different starting time for each start of the engine at the same ambient temperature. Differently, the starting data in which both the first difference and the second difference are less than the second predetermined temperature difference is determined as cold start data, that is, the temperature difference between the water temperature and the engine oil temperature at startup and the ambient temperature is less than the second predetermined temperature difference. The above starting data is the above cold start data, ensuring that the obtained starting time is the starting time when the engine is cold started.

In one embodiment of the present application, obtaining the starting data of the engine includes: calculating the time from when the engine is powered on to when the engine speed reaches a predetermined speed, to obtain the starting time. In this embodiment, as shown in Figure 2, the influence of engine injection combustion is not considered in the starting time of the engine, only the starter performance is considered. Therefore, the time record for the engine speed to reach the predetermined speed from zero to the predetermined speed every time the engine is cold started is calculated. Engine starting time.

In one embodiment of the present application, determining the target cold start data based on the above cold start data includes: dividing the operating temperature range of the above starter into multiple ambient temperature intervals; determining the above starting time threshold based on the above ambient temperature intervals, the above The ambient temperature interval corresponds to the above-mentioned start-up time threshold one-to-one; the above-mentioned cold start data with the above-mentioned ambient temperature within the target ambient temperature interval is determined as the above-mentioned target cold start data, and the above-mentioned target ambient temperature interval is any one of the above-mentioned ambient temperature intervals. In this embodiment, the starting time is greatly affected by the ambient temperature, and the starting time is different under different ambient temperatures. Therefore, the operating temperature range of the starter is divided into multiple ambient temperature intervals, and the starting time corresponding to each ambient temperature interval is determined. Threshold, and by determining the target cold start data, start times with similar ambient temperatures are divided into the same ambient temperature range.

In an embodiment of the present application, when the target average value is greater than the startup time threshold, sending the working status abnormal information includes: calculating the average value of the startup time of the above-mentioned predetermined number of the above-mentioned target cold start data, and obtaining the above-mentioned target Average value; when the above-mentioned target average value is greater than the target start-up time threshold, the above-mentioned working status abnormal information is sent, and the above-mentioned target start-up time threshold is the above-mentioned start-up time threshold corresponding to the above-mentioned target ambient temperature range. In this embodiment, the average value of the startup time of a predetermined number of target cold start data is calculated to obtain the average value of the startup time in the same ambient temperature range, and then when the target average value is greater than the target startup time threshold, it is determined that the working status is abnormal, that is, when When the average value of the starting time in the same ambient temperature range is greater than the starting time threshold of the ambient temperature range, it is determined that the starter working status is abnormal. It should be noted that the number of starting times in the same ambient temperature range must reach a predetermined number to avoid Accidental, improve the accuracy of judgment of working status.

In an embodiment of the present application, determining the above-mentioned start-up time threshold according to the above-mentioned ambient temperature interval includes: obtaining multiple sets of the above-mentioned cold start data of the target historical time period, and obtaining multiple sets of reference cold start data, and the above-mentioned target historical time period is the above-mentioned A period of predetermined length of time starting after the starter is updated; the maximum above-mentioned startup time among the multiple target reference cold start data is determined as the above-mentioned startup time threshold corresponding to the above-mentioned ambient temperature interval, and the above-mentioned target reference cold start data is the above-mentioned ambient temperature The above reference cold start data is within the above ambient temperature range. In this embodiment, the multiple sets of reference cold start data obtained are cold start data when the starter is in a normal working state, and the maximum starting time in the target reference cold start data is determined as the starting time threshold corresponding to the ambient temperature range. When the starter is in normal working condition, the starting time threshold corresponding to each ambient temperature range is specified.

The embodiment of the present application also provides a device for monitoring the working status of the starter. It should be noted that the device for monitoring the working status of the starter in the embodiment of the present application can be used to perform the method for starting provided by the embodiment of the present application. How to monitor the working status of the machine. The following is an introduction to the monitoring device for the working status of the starter provided by the embodiment of the present application.

Figure 3 is a schematic diagram of a monitoring device for the working state of a starter according to an embodiment of the present application. As shown in Figure 3, the device includes:

The acquisition unit 10 acquires multiple sets of cold start data of the engine to which the starter belongs. Each set of the cold start data includes at least one-to-one corresponding starting time of the cold start of the engine and the ambient temperature during the cold start of the engine;

The determining unit 20 determines that the above-mentioned cold start data of the partial group is the target cold start data, and among all the above-mentioned target cold start data, the difference in the above-mentioned ambient temperature of any two groups of the above-mentioned target cold start data is less than the first predetermined temperature difference;

The sending unit 30 sends working status abnormality information when the target average value is greater than the starting time threshold. The working status abnormality information is used to prompt the abnormal working status of the starter. The target average value is a predetermined number of the target cold starts. The average of the above startup times for the data.

In the above-mentioned monitoring device for the working status of the starter, the acquisition unit acquires multiple sets of cold start data of the engine to which the starter belongs. Each set of the above-mentioned cold start data at least includes a one-to-one corresponding start time of the above-mentioned engine cold start and the above-mentioned engine cold start. The ambient temperature at startup; the determination unit determines that the above-mentioned cold start data of a partial group is the target cold start data. Among all the above-mentioned target cold start data, the difference between the above-mentioned ambient temperatures of any two groups of the above-mentioned target cold start data is less than the first Predetermined temperature difference; the sending unit, when the target average value is greater than the starting time threshold, sends working status abnormal information. The above working status abnormal information is used to prompt the abnormal working status of the above-mentioned starter, and the above target average value is a predetermined number of the above targets. The average of the above startup times for cold start data. The device obtains the starting time of a cold start with a similar ambient temperature at startup, and calculates the average value of a predetermined number of starting times. When the average value is greater than the starting time threshold, it can be determined that the working efficiency of the starter has declined, and sends abnormal working status information. The user is prompted to perform maintenance on the starter to increase the service life of the starter, which solves the problem of low service life of the starter due to the inability of the existing technology to monitor the working status of the starter.

In one embodiment of the present application, the above-mentioned acquisition unit includes an acquisition module and a first determination module. The above-mentioned acquisition module is used to acquire multiple sets of startup data of the above-mentioned engine. Each set of the above-mentioned startup data includes the water temperature when the above-mentioned engine is started, the above-mentioned engine The engine oil temperature when starting, the starting time when the engine starts and the ambient temperature when the engine starts; the first determination module is used to determine when the first difference and the second difference are both less than the second predetermined temperature difference. The above-mentioned starting data is the above-mentioned cold start data, the above-mentioned first difference is the difference between the above-mentioned water temperature and the above-mentioned ambient temperature, and the above-mentioned second difference is the difference between the above-mentioned engine oil temperature and the above-mentioned ambient temperature. In this embodiment, the cold start of the engine is the start of the engine after it has been stopped and left for a period of time to completely cool down. If the engine is not started cold, the friction torque during engine operation will be different, resulting in a different starting time for each start of the engine at the same ambient temperature. Differently, the starting data in which both the first difference and the second difference are less than the second predetermined temperature difference is determined as cold start data, that is, the temperature difference between the water temperature and the engine oil temperature at startup and the ambient temperature is less than the second predetermined temperature difference. The above starting data is the above cold start data, ensuring that the obtained starting time is the starting time when the engine is cold started.

In one embodiment of the present application, the above-mentioned acquisition unit includes a first calculation module, and the above-mentioned first calculation module is used to calculate the time from when the above-mentioned engine is powered on to when the rotation speed of the above-mentioned engine reaches a predetermined rotation speed, and obtain the above-mentioned starting time. In this embodiment, as shown in Figure 2, the influence of engine injection combustion is not considered in the starting time of the engine, only the starter performance is considered. Therefore, the time record for the engine speed to reach the predetermined speed from zero to the predetermined speed every time the engine is cold started is calculated. Engine starting time.

In an embodiment of the present application, the above-mentioned determination unit includes a classification module, a second determination module and a third determination module, wherein the above-mentioned classification module is used to divide the operating temperature range of the above-mentioned starter into multiple ambient temperature intervals; the above-mentioned The second determination module is used to determine the above-mentioned start-up time threshold according to the above-mentioned ambient temperature interval, and the above-mentioned ambient temperature interval corresponds to the above-mentioned start-up time threshold one-to-one; the above-mentioned third determination module is used to determine the above-mentioned cooling time when the above-mentioned ambient temperature is within the target ambient temperature interval. The startup data is determined to be the above-mentioned target cold start data, and the above-mentioned target ambient temperature interval is any one of the above-mentioned ambient temperature intervals. In this embodiment, the starting time is greatly affected by the ambient temperature, and the starting time is different under different ambient temperatures. Therefore, the operating temperature range of the starter is divided into multiple ambient temperature intervals, and the starting time corresponding to each ambient temperature interval is determined. Threshold, and by determining the target cold start data, start times with similar ambient temperatures are divided into the same ambient temperature range.

In an embodiment of the present application, the sending unit includes a second calculation module and a sending module, wherein the second calculation module is used to calculate the average value of the start time of the predetermined number of target cold start data to obtain the above Target average value; the above-mentioned sending module is used to send the above-mentioned working status abnormality information when the above-mentioned target average value is greater than the target start-up time threshold, and the above-mentioned target start-up time threshold is the above-mentioned start-up time threshold corresponding to the above-mentioned target ambient temperature range. In this embodiment, the average value of the startup time of a predetermined number of target cold start data is calculated to obtain the average value of the startup time in the same ambient temperature range, and then when the target average value is greater than the target startup time threshold, it is determined that the working status is abnormal, that is, when When the average value of the starting time in the same ambient temperature range is greater than the starting time threshold of the ambient temperature range, it is determined that the starter working status is abnormal. It should be noted that the number of starting times in the same ambient temperature range must reach a predetermined number to avoid Accidental, improve the accuracy of judgment of working status.

In an embodiment of the present application, the above-mentioned second determination module includes an acquisition sub-module and a determination sub-module, wherein the above-mentioned acquisition module is used to acquire multiple sets of the above-mentioned cold start data for the target historical time period, and obtain multiple sets of reference cold start data. , the above-mentioned target historical time period is a time period of a predetermined length starting after the above-mentioned starter is updated; the above-mentioned determination module is used to determine the largest above-mentioned startup time among multiple target reference cold start data as the above-mentioned startup corresponding to the above-mentioned ambient temperature range. The time threshold, the target reference cold start data is the reference cold start data when the ambient temperature is within the ambient temperature range. In this embodiment, the multiple sets of reference cold start data obtained are cold start data when the starter is in a normal working state, and the maximum starting time in the target reference cold start data is determined as the starting time threshold corresponding to the ambient temperature range. When the starter is in normal working condition, the starting time threshold corresponding to each ambient temperature range is specified.

The above-mentioned monitoring device for the working status of the starter includes a processor and a memory. The above-mentioned acquisition unit, determination unit and sending unit are all stored in the memory as program units. The processor executes the above-mentioned program units stored in the memory to implement the corresponding Function.

The processor contains a core, which retrieves the corresponding program unit from the memory. One or more cores can be set, and the problem of low service life of the starter caused by the inability of the existing technology to monitor the working status of the starter can be solved by adjusting the core parameters.

The memory may include non-permanent memory in a computer-readable medium, random access memory (RAM) and/or non-volatile memory, such as read-only memory (ROM) or flash memory (flashRAM). The memory includes at least one storage device. chip.

An embodiment of the present invention provides a computer-readable storage medium on which a program is stored. When the program is executed by a processor, the method for monitoring the working status of the starter is implemented.

An embodiment of the present invention provides a processor, and the processor is used to run a program, wherein the method for monitoring the working status of the starter is executed when the program is running.

An embodiment of the present invention provides a vehicle, including: an engine, one or more processors, a memory, and one or more programs. The engine includes a starter, wherein the one or more programs are stored in the memory, and is configured to be executed by one or more of the above-mentioned processors. The above-mentioned one or more programs include a method for executing any one of the above-mentioned methods. When the processor executes the program, it implements at least the following steps:

Step S101, obtain multiple sets of cold start data of the engine to which the starter belongs. Each set of the cold start data includes at least one-to-one correspondence between the start time of the cold start of the engine and the ambient temperature at the time of cold start of the engine;

Step S102, determine that the above-mentioned cold start data of the partial group is the target cold start data, and among all the above-mentioned target cold start data, the difference in the above-mentioned ambient temperature of any two groups of the above-mentioned target cold start data is less than the first predetermined temperature difference;

Step S103: When the target average value is greater than the startup time threshold, the working status abnormality information is sent. The working status abnormality information is used to prompt the abnormal working status of the starter. The target average value is a predetermined number of the target cold start data. The average value of the above startup times.

The devices in this article can be servers, PCs, PADs, mobile phones, etc.

This application also provides a computer program product, which, when executed on a data processing device, is suitable for executing a program initialized with at least the following method steps:

Step S101, obtain multiple sets of cold start data of the engine to which the starter belongs. Each set of the cold start data includes at least one-to-one correspondence between the start time of the cold start of the engine and the ambient temperature at the time of cold start of the engine;

Step S102, determine that the above-mentioned cold start data of the partial group is the target cold start data, and among all the above-mentioned target cold start data, the difference in the above-mentioned ambient temperature of any two groups of the above-mentioned target cold start data is less than the first predetermined temperature difference;

Step S103: When the target average value is greater than the startup time threshold, the working status abnormality information is sent. The working status abnormality information is used to prompt the abnormal working status of the starter. The target average value is a predetermined number of the target cold start data. The average value of the above startup times.

In the above-mentioned embodiments of the present invention, each embodiment is described with its own emphasis. For parts that are not described in detail in a certain embodiment, please refer to the relevant descriptions of other embodiments.

In the several embodiments provided in this application, it should be understood that the disclosed technical content can be implemented in other ways. Among them, the device embodiments described above are only illustrative. For example, the division of the above-mentioned units can be a logical function division. In actual implementation, there can be other division methods. For example, multiple units or components can be combined or integrated. to another system, or some features can be ignored, or not implemented. On the other hand, the coupling or direct coupling or communication connection between each other shown or discussed may be through some interfaces, and the indirect coupling or communication connection of the units or modules may be in electrical or other forms.

The units described above as separate components may or may not be physically separated. The components shown as units may or may not be physical units, that is, they may be located in one place, or they may be distributed to multiple units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of this embodiment.

In addition, each functional unit in various embodiments of the present invention can be integrated into one processing unit, or each unit can exist physically alone, or two or more units can be integrated into one unit. The above integrated units can be implemented in the form of hardware or software functional units.

If the above-mentioned integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer-readable computer-readable storage medium. Based on this understanding, the technical solution of the present invention is essentially or contributes to the existing technology, or all or part of the technical solution can be embodied in the form of a software product. The computer software product is stored in a computer-readable file. The storage medium includes several instructions to cause a computer device (which can be a personal computer, a server or a network device, etc.) to execute all or part of the steps of the above methods in various embodiments of the present invention. The aforementioned computer-readable storage media include: U disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), mobile hard disk, magnetic disk or optical disk and other media that can store program code. .

From the above description, it can be seen that the above-mentioned embodiments of the present application achieve the following technical effects:

1) In the method for monitoring the working status of the starter in this application, first, multiple sets of cold start data of the engine to which the starter belongs are obtained, and each set of the cold start data at least includes a one-to-one corresponding starting time of the cold start of the engine. and the ambient temperature when the engine is cold started; then, determine the partial group of the above cold start data as the target cold start data, and among all the above target cold start data, the difference between the above ambient temperature of any two groups of the above target cold start data is less than the first predetermined temperature difference; finally, when the target average value is greater than the starting time threshold, the working status abnormal information is sent. The above working status abnormal information is used to prompt the abnormal working status of the above-mentioned starter. The above target average value is a predetermined number. The average of the above startup times for the above target cold start data. This method obtains the startup time of a cold start with a similar ambient temperature at startup, and calculates the average value of a predetermined number of startup times. When the average value is greater than the startup time threshold, it can be determined that the working efficiency of the starter has declined, and abnormal working status information is sent. The user is prompted to perform maintenance on the starter to increase the service life of the starter, which solves the problem of low service life of the starter due to the inability of the existing technology to monitor the working status of the starter.

2) In the monitoring device for the working status of the starter of the present application, the acquisition unit acquires multiple sets of cold start data of the engine to which the starter belongs. Each set of the cold start data at least includes a one-to-one corresponding cold start of the engine. time and the ambient temperature at the time of the above-mentioned engine cold start; the determination unit determines a partial group of the above-mentioned cold start data as the target cold start data, and among all the above-mentioned target cold start data, the above-mentioned ambient temperature of any two groups of the above-mentioned target cold start data The difference is less than the first predetermined temperature difference; the sending unit, when the target average value is greater than the starting time threshold, sends working status abnormal information. The above working status abnormal information is used to prompt the abnormal working status of the above-mentioned starter. The above target average value is The average of the above-mentioned startup times for a predetermined number of the above-mentioned target cold-start data. The device obtains the starting time of a cold start with a similar ambient temperature at startup, and calculates the average value of a predetermined number of starting times. When the average value is greater than the starting time threshold, it can be determined that the working efficiency of the starter has declined, and sends abnormal working status information. The user is prompted to perform maintenance on the starter to increase the service life of the starter, which solves the problem of low service life of the starter due to the inability of the existing technology to monitor the working status of the starter.

The above descriptions are only preferred embodiments of the present application and are not intended to limit the present application. For those skilled in the art, the present application may have various modifications and changes. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of this application shall be included in the protection scope of this application.

Claims (7)

1. A method for monitoring an operating state of a starter, comprising:

acquiring a plurality of groups of cold start data of an engine to which a starter belongs, wherein each group of cold start data at least comprises a start time of the cold start of the engine and an environmental temperature of the cold start of the engine in a one-to-one correspondence manner;

determining the cold start data of part of groups as target cold start data, wherein the difference value of the ambient temperatures of any two groups of target cold start data in all the target cold start data is smaller than a first preset temperature difference;

and sending working state abnormality information when a target average value is greater than a starting time threshold value, wherein the working state abnormality information is used for prompting the abnormal working state of the starter, the target average value is an average value of starting times of a preset number of target cold starting data, and the determining the target cold starting data according to the cold starting data comprises the following steps: dividing the working temperature range of the starter into a plurality of environment temperature intervals; determining the starting time threshold according to the environmental temperature interval, wherein the environmental temperature interval corresponds to the starting time threshold one by one; determining the cold start data of the environment temperature in a target environment temperature interval as the target cold start data, wherein the target environment temperature interval is any one of the environment temperature intervals, and determining the start time threshold according to the environment temperature interval comprises the following steps: obtaining multiple groups of cold start data of a target historical time period, namely a time period of a preset time length from the updated starter, to obtain multiple groups of reference cold start data; determining the maximum starting time in various target reference cold starting data as the starting time threshold corresponding to the environmental temperature interval, wherein the target reference cold starting data is the reference cold starting data with the environmental temperature in the environmental temperature interval, and acquiring the cold starting data of the engine to which the starter belongs, and the method comprises the following steps: acquiring a plurality of groups of starting data of the engine, wherein each group of starting data comprises water temperature at the time of starting the engine, engine oil temperature at the time of starting the engine, starting time at the time of starting the engine and environmental temperature at the time of starting the engine; and under the condition that the first difference value and the second difference value are smaller than a second preset temperature difference, determining that the starting data are the cold starting data, wherein the first difference value is the difference value between the water temperature and the environment temperature, and the second difference value is the difference value between the engine oil temperature and the environment temperature.

2. The method of claim 1, wherein obtaining start-up data for the engine comprises:

and calculating the time from the power-on of the engine to the time when the rotating speed of the engine reaches the preset rotating speed, and obtaining the starting time.

3. The method of claim 1, wherein transmitting the operating condition anomaly information if the target average is greater than a start-up time threshold comprises:

calculating the average value of the starting time of the preset number of the target cold start data to obtain the target average value;

and sending the abnormal information of the working state under the condition that the target average value is larger than a target starting time threshold value, wherein the target starting time threshold value is the starting time threshold value corresponding to the target environment temperature interval.

4. A monitoring device for an operating state of a starter, comprising:

the system comprises an acquisition unit, a control unit and a control unit, wherein the acquisition unit acquires a plurality of groups of cold start data of an engine to which a starter belongs, and each group of cold start data at least comprises a start time of the cold start of the engine and an environment temperature of the cold start of the engine in a one-to-one correspondence manner;

the determining unit is used for determining that the cold start data of part of groups are target cold start data, and the difference value of the ambient temperatures of any two groups of target cold start data in all the target cold start data is smaller than a first preset temperature difference;

the device comprises a transmitting unit, a determining unit and a judging unit, wherein the transmitting unit is used for transmitting working state abnormality information when a target average value is larger than a starting time threshold value, the working state abnormality information is used for prompting the working state abnormality of the starter, the target average value is the average value of starting time of a preset number of target cold starting data, and the determining unit comprises a classifying module, a second determining module and a third determining module, wherein the classifying module is used for dividing the working temperature range of the starter into a plurality of environment temperature intervals; the second determining module is used for determining the starting time threshold according to the ambient temperature interval, and the ambient temperature interval corresponds to the starting time threshold one by one; the third determining module is configured to determine the cold start data of the environmental temperature within a target environmental temperature interval as the target cold start data, where the target environmental temperature interval is any one of the environmental temperature intervals, and the second determining module includes an obtaining sub-module and a determining sub-module, where the obtaining module is configured to obtain multiple sets of cold start data of a target historical time period, and obtain multiple sets of reference cold start data, where the target historical time period is a time period of a predetermined time length that begins after the starter is updated; the determining module is configured to determine the starting time that is the largest among multiple target reference cold start data as the starting time threshold corresponding to the ambient temperature interval, where the target reference cold start data is the reference cold start data whose ambient temperature is in the ambient temperature interval, and the acquiring unit includes an acquiring module and a first determining module, where the acquiring module is configured to acquire multiple sets of starting data of the engine, where each set of starting data includes a water temperature at the time of starting the engine, an engine oil temperature at the time of starting the engine, and an ambient temperature at the time of starting the engine; the first determining module is configured to determine that the start data is the cold start data when both a first difference value and a second difference value are smaller than a second predetermined temperature difference, where the first difference value is a difference value between the water temperature and the ambient temperature, and the second difference value is a difference value between the oil temperature and the ambient temperature.

5. A computer readable storage medium, characterized in that the computer readable storage medium comprises a stored program, wherein the program performs the method of any one of claims 1 to 3.

6. A processor for running a program, wherein the program when run performs the method of any one of claims 1 to 3.

7. A vehicle, characterized by comprising: an engine, one or more processors, memory, and one or more programs, the engine comprising a starter, wherein the one or more programs are stored in the memory and configured to be executed by the one or more processors, the one or more programs comprising instructions for performing the method of any of claims 1-3.