WO2021259153A1

WO2021259153A1 - Battery test method and apparatus

Info

Publication number: WO2021259153A1
Application number: PCT/CN2021/100816
Authority: WO
Inventors: 瞿松松
Original assignee: 深圳市道通科技股份有限公司
Priority date: 2020-06-24
Filing date: 2021-06-18
Publication date: 2021-12-30
Also published as: CN111722113A

Abstract

A battery test method and apparatus, relating to the technical field of automotive electronics. The battery test method is applied to a battery test apparatus (20). The battery test apparatus (20) is connected to a storage battery of a vehicle (10) by means of an electrical connector. The method comprises: querying, according to vehicle information of a vehicle (10), a preset table of correspondence between vehicle information and battery parameter reference values to obtain a battery parameter reference value corresponding to the vehicle information (S10); testing a storage battery of the vehicle (10) to obtain a battery parameter (S20); and comparing the battery parameter with the battery parameter reference value and determining a battery test result according to the comparison result (S30). By determining a battery test result by combining a battery parameter and a preset table of correspondence between vehicle information and battery parameter reference values, battery test accuracy can be improved.

Description

Battery detection method and equipment

This application claims the priority of a Chinese patent application filed with the Chinese Patent Office on June 24, 2020, the application number is 202010590864.9, and the application name is "a battery testing method and equipment", the entire content of which is incorporated into this application by reference .

Technical field

This application relates to the field of automotive electronics technology, in particular to a battery detection method and equipment.

Background technique

Battery testing equipment, such as a battery tester, is a device for real-time and complete online testing and management of batteries in the power supply system. It has been widely used in the management of energy storage batteries in power, communications, transportation, automobiles and other related industries.

Traditional battery testers generally use Cold Cranking Ampere (CCA), that is, the CCA value, to determine the starting ability of the car's start-up battery. However, due to the increasingly complex functions of the car, the electrical system on the car has the ability to supply power to the battery. More demanding, just testing the battery's start-up ability will cause some abnormal batteries that cannot fully meet the full-featured use scenarios of the car to be unable to be detected. Some new battery testers on the market can roughly check the remaining capacity of the battery. They use a unified calculation method for all cars to determine whether the battery is normal, and the calculation error is relatively large.

In the process of implementing the embodiments of the present invention, the inventor found that the related technology has at least the following problems: due to the ever-changing types of cars, the high, middle and low configurations of different cars are quite different, and only a unified fixed model will lead to many misjudgments. Bring losses to users.

In view of this, the existing technology urgently needs to be improved.

Summary of the invention

The embodiment of the present invention aims to provide a battery detection method and device, which solves the current technical problem of large errors in battery abnormality determination and improves the accuracy of battery detection.

In order to solve the above technical problems, the embodiments of the present invention provide the following technical solutions:

In a first aspect, an embodiment of the present invention provides a battery detection method, which is applied to a battery detection device, the battery detection device is connected to a battery of a vehicle through an electrical connector, and the method includes:

According to the vehicle information of the vehicle, query a table of correspondences between preset vehicle information and battery parameter reference values to obtain the battery parameter reference value corresponding to the vehicle information;

Detecting the battery of the vehicle to obtain battery parameters;

The battery parameter is compared with the battery parameter reference value, and the battery detection result is determined according to the comparison result.

In some embodiments, the correspondence table includes the correspondence relationship between the vehicle information and the battery characteristics of the battery, and the correspondence relationship between the battery characteristics and the battery parameter reference value, and the corresponding relationship is based on the vehicle information of the vehicle. Query the correspondence table of the preset vehicle information and the battery parameter reference value to obtain the battery parameter reference value corresponding to the vehicle information, including:

Determine the battery characteristics corresponding to the vehicle information according to the correspondence table;

According to the battery characteristic, a battery parameter reference value corresponding to the battery characteristic is determined.

In some embodiments, the battery parameter reference value is an average value of a plurality of battery parameters obtained after multiple detections of the battery including the battery characteristics.

In some embodiments, the battery parameter includes battery capacity, the battery parameter reference value includes a minimum power threshold, the battery detection result includes abnormal battery status and normal battery status, and the comparison between the battery parameter and the battery The parameter reference value, and the battery test result is determined according to the comparison result, including:

If the battery capacity is less than or equal to the minimum power threshold, determining that the battery status of the battery is abnormal;

If the battery capacity is greater than the minimum power threshold, it is determined that the battery state of the battery is normal.

In some embodiments, the battery parameter further includes: battery cold start capability, the battery parameter reference value further includes a nominal cold start capability, the battery parameter is compared with the battery parameter reference value, and the comparison is based on The result determines the battery test result and also includes:

If the battery cold start capability is less than the nominal cold start capability, determining that the battery status of the battery is abnormal;

If the battery cold start capability is greater than or equal to the nominal cold start capability, it is determined that the battery state of the battery is normal.

In some embodiments, the battery parameter further includes a battery voltage, the battery parameter reference value also includes a starting voltage, the comparing the battery parameter with the battery parameter reference value, and determining the battery detection result according to the comparison result, Also includes:

If the battery voltage is less than the starting voltage, determining that the battery status of the battery is abnormal;

If the battery voltage is greater than or equal to the starting voltage, it is determined that the battery state of the battery is normal.

In some embodiments, the vehicle information includes: VIN information and/or MMY information.

In a second aspect, an embodiment of the present invention provides a battery detection device, including:

The battery detection module is used to detect the battery parameters of the current car and obtain the battery parameters of the current car;

The control module is connected to the battery detection module, and the control module includes:

At least one processor; and

A memory communicatively connected with the at least one processor; wherein,

The memory stores instructions executable by the at least one processor, and the instructions are executed by the at least one processor, so that the at least one processor can execute the battery detection method as described above.

In some embodiments, the battery detection device further includes:

A display module, connected to the control module, for displaying a user interaction interface, so that the user can obtain the battery detection result based on the user interaction interface;

The cloud service module, connected to the control module, is used to upload the battery detection result to the cloud for data backup, or to obtain vehicle information of the vehicle generated in the cloud.

In some embodiments, the battery detection device further includes:

The information input module is connected to the control module and used to obtain vehicle information of the vehicle.

The beneficial effect of the embodiment of the present invention is that, different from the prior art, the battery detection method provided by the embodiment of the present invention is applied to a battery detection device, and the battery detection device is connected to the battery of the vehicle through an electrical connector , The method includes: querying a correspondence table between preset vehicle information and battery parameter reference values according to the vehicle information of the vehicle to obtain the battery parameter reference value corresponding to the vehicle information; Detecting to obtain battery parameters; comparing the battery parameters with the battery parameter reference values, and determining the battery detection result according to the comparison result. By presetting the correspondence table between vehicle information and battery parameter reference values, and combining battery parameters to determine the battery detection result, the present invention can improve the accuracy of battery detection.

Description of the drawings

One or more embodiments are exemplified by the pictures in the corresponding drawings. These exemplified descriptions do not constitute a limitation on the embodiments. The elements with the same reference numerals in the drawings are denoted as similar elements. Unless otherwise stated, the figures in the attached drawings do not constitute a scale limitation.

FIG. 1 is a schematic diagram of an application scenario provided by an embodiment of the present invention;

2 is a schematic flowchart of a battery detection method provided by an embodiment of the present invention;

FIG. 3 is a schematic flowchart of establishing a correspondence table provided by an embodiment of the present invention;

FIG. 4 is a detailed flowchart of step S10 in FIG. 2;

FIG. 5 is a detailed flowchart of step S12 in FIG. 4;

Figure 6 is a schematic diagram of a battery testing device provided by an embodiment of the present invention;

Figure 7 is a schematic diagram of another battery testing device provided by an embodiment of the present invention;

Fig. 8 is a schematic diagram of yet another battery detection device provided by an embodiment of the present invention.

detailed description

In order to make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

In the embodiment of the present invention, the battery detection device may be a battery tester, a smart phone, a PDA (Personal Digital Assistant, PDA), a tablet computer, a smart watch, and other electronic devices capable of detecting the battery of a car.

Specifically, the embodiment of the present invention will be described in detail below by taking a battery tester as an example.

Please refer to FIG. 1, which is a schematic diagram of a battery detection system according to an embodiment of the present invention;

As shown in FIG. 1, the battery detection system 100 includes a vehicle 10 and a battery detection device 20 communicatively connected with the vehicle 10.

Among them, the vehicle 10 can be a motor vehicle of any model, such as a truck, a car, a bus, etc., and has an electronic control system composed of multiple electronic control units to coordinate and control the operation of the vehicle in accordance with the driver, etc. Commands and real-time monitoring of one or more vehicle parameters ensure that the vehicle 10 runs reliably and safely.

It is understandable that in vehicles of different models or models, the electronic control units are different according to their structural settings and differences in functions, resulting in different electronic control unit lists.

Among them, the various electronic control units in the vehicle are usually connected by a bus. Each electronic control unit uses a specific communication protocol. The electronic control unit will communicate on the corresponding car bus in accordance with its own communication protocol to avoid conflicts and improve efficiency. That is, the electronic control units that use the same communication protocol communicate on a kind of automobile bus, and one kind of automobile bus corresponds to a kind of communication protocol.

In order to facilitate daily inspection and maintenance, the vehicle 10 may also have at least one hardware communication interface, such as an OBD interface. The hardware communication interface and the vehicle 10 may be connected to one or more automobile buses, and are used to establish a communication connection with an external device, so that it can complete data interaction and other processes with the electronic control unit.

The battery testing device 20 may be any type of vehicle diagnostic product, including at least one electrical connector, the end of the electrical connector is a diagnostic connector that matches the hardware communication interface of the vehicle 10, and the electrical connector includes Kelvin. Connectors, low-frequency circular connectors, optical fiber connectors, rectangular connectors, printed circuit connectors, radio frequency connectors and other connectors. Preferably, the electrical connector in the embodiment of the present invention is a Kelvin connector.

In actual use, the battery testing device 20 establishes a physical communication connection with various vehicle buses in the vehicle through interface modules, such as diagnostic connectors and hardware communication interfaces, and loads appropriate or paired protocol configurations to achieve electronic control Data interaction between systems, such as sending inspection instructions or receiving inspection data.

In the embodiment of the present invention, the vehicle 10 further includes components such as tires, a steering wheel, a driving motor, etc., which belong to the prior art and will not be repeated here.

Please refer to FIG. 2, which is a schematic flowchart of a battery detection method according to an embodiment of the present invention;

As shown in Figure 2, the method is applied to a battery testing device, such as a battery tester, wherein the execution subject of the battery testing method is the processor of the battery testing device, and the battery testing device is connected through an electrical connector. Connecting to the battery of the vehicle, the method includes:

Step S10: According to the vehicle information of the vehicle, query the correspondence table of the preset vehicle information and the battery parameter reference value to obtain the battery parameter reference value corresponding to the vehicle information;

Specifically, the vehicle information includes VIN information and MMY information, the VIN information is a VIN code, and the MMY information includes manufacturer, model, and year. The correspondence table includes the vehicle information and the battery The corresponding relationship between the battery characteristics and the corresponding relationship between the battery characteristics and the battery parameter reference values.

Before querying the correspondence table of preset vehicle information and battery parameter reference values according to the vehicle information of the vehicle, the method further includes: establishing a correspondence table of the vehicle information and battery parameter reference values. Specifically, please Referring to FIG. 3, FIG. 3 is a schematic flowchart of establishing a correspondence table according to an embodiment of the present invention;

As shown in Fig. 3, the establishment of a table of correspondences between vehicle information and battery parameter reference values includes:

Step S101: Obtain identification information of multiple car models;

Specifically, the identification information includes VIN information and/or MMY information, and the control module of the battery detection device obtains the identification information of multiple car models through an information input module, wherein the information input module is input by the user into the corresponding car The identification information of the vehicle type.

Step S102: According to the identification information of any car model, obtain the car system configuration data table of the car model;

Specifically, after the information input module sends the identification information to the control module, the control module will obtain the automobile system configuration data table of the automobile model corresponding to the identification information according to the identification information, and the automobile system The configuration data table includes a plurality of electronic control units, wherein the storage module of the battery detection device stores a plurality of identification information and the matching relationship of the corresponding automobile system configuration data table. After receiving the identification information, the control module will The vehicle system configuration data table corresponding to the identification information is obtained from the storage module, or the control module obtains the official data of the manufacturer in the identification information through the cloud service module, so as to obtain the identification information The corresponding automobile system configuration data table, or the control module performs real-time detection through the battery detection module, so as to obtain the automobile system configuration data table corresponding to the identification information.

Step S103: Determine the battery information table corresponding to the car model;

Specifically, the battery information table includes battery characteristics such as battery capacity, battery starting ability, battery voltage, battery health, battery starting ability, generator load capacity, etc., and determining the battery information table corresponding to the car model, Including: generating a battery information table corresponding to the car model according to the car system configuration data table, for example: obtaining the battery information table in the official data according to the identification information contained in the car system configuration data table, such as MMY information ；

Or, obtaining a battery information table corresponding to the identification information through a pre-established automobile database, where the automobile database includes vehicle information of historically detected automobile models and vehicle information sent from the cloud;

Or, through a large number of real-vehicle tests, verification and improvement, to obtain the battery meter;

It is understandable that the battery information table cannot be fully provided by various manufacturers at present, and the acquisition in a single method cannot be more complete. Therefore, the embodiment of the present invention comprehensively utilizes multiple information to form a more complete battery information table. Specifically, the final battery information table is obtained through the battery information table in the comprehensive official data, the battery information table contained in the pre-established automobile database, and a large number of actual vehicle test verifications and the improvement of the obtained battery information table. The information table is determined to be the battery information table corresponding to the vehicle model. By integrating the battery information tables obtained in multiple ways, the present invention can provide a more accurate battery information table.

Step S104: Calculate the minimum required threshold of the battery capacity of the car model, and generate a data management table for the car model;

Specifically, the data management table contains battery characteristics, such as: battery capacity, car model, type and number of electronic control units of the car, and other dimensions of information, the calculation of the minimum required threshold for the battery capacity of the car model, Generate the data management table of the car model, including:

According to the vehicle system configuration data table and the battery information table, the minimum required threshold value of the battery capacity of the vehicle model is calculated, and the data management table of the vehicle model is generated.

Specifically, the battery capacity requirement of each type of electronic control unit is obtained, combined with the number of each type of electronic control unit, the minimum requirement threshold of the battery capacity is determined, and the minimum requirement threshold of the battery capacity is compared with the Battery characteristics, such as: battery capacity, and multiple information such as the type and quantity of the car model and the car's electronic control unit are matched to generate a data management table for the car model.

Step S105: Determine the data management table of a variety of vehicle models, and generate a correspondence table of preset vehicle information and battery parameter reference values;

Specifically, the battery parameter reference value includes the minimum required threshold of the battery capacity. By determining the data management tables of multiple car models, the data management tables of multiple car models are combined to generate preset vehicle information and battery A correspondence table of parameter reference values, wherein the correspondence table contains all the information of the data management table of the multiple car models, for example: vehicle information, including: car manufacturer, car model, car year, etc., and Information such as the type and quantity of electronic control units, and battery characteristics.

Specifically, please refer to FIG. 4 again, which is a detailed flowchart of step S10 in FIG. 2;

As shown in Figure 4, this step S10: according to the vehicle information of the vehicle, querying the correspondence table of preset vehicle information and battery parameter reference values to obtain the battery parameter reference value corresponding to the vehicle information includes:

Step S11: Determine the battery characteristics corresponding to the vehicle information according to the correspondence table;

Specifically, the battery characteristics include: battery capacity, battery starting ability, battery voltage, battery health, battery starting ability, generator load capacity, etc. After obtaining the vehicle information of the vehicle, according to the vehicle information To obtain battery characteristics matching the vehicle information. In the embodiment of the present invention, the battery characteristics further include a nominal capacity, a nominal cold start capability, and a healthy capacity value.

Step S12: Determine a battery parameter reference value corresponding to the battery characteristic according to the battery characteristic.

Specifically, please refer to FIG. 5 again, which is a detailed flowchart of step S12 in FIG. 4;

As shown in FIG. 5, this step S12: determining the battery parameter reference value corresponding to the battery characteristic according to the battery characteristic includes:

Step S121: Perform multiple tests on the battery containing the battery characteristics, and determine the reference value obtained from each test;

Specifically, the battery characteristics include battery type and battery standard, and the reference value includes a minimum power threshold, where the minimum power threshold characterizes the battery capacity requirements of the vehicle, wherein, by detecting each type of electronic control unit The battery capacity requirements of each type are combined with the number of electronic control units to determine the minimum required threshold of the battery capacity. The battery containing the battery characteristics is tested for multiple times to determine the reference obtained from each test Value, get multiple reference values.

Step S122: averaging the reference values obtained from each detection, and determining the average value as the battery parameter reference value of the storage battery corresponding to the battery characteristic.

Specifically, multiple reference values obtained by multiple detections are averaged to obtain an average value, and the average value is used as the battery parameter reference value of the battery corresponding to the battery characteristic.

For example: the reference value includes the minimum power threshold value, and the minimum power threshold value obtained from each detection is determined by performing multiple tests on the battery containing the battery characteristics, and multiple reference values are obtained, and the multiple reference values are calculated Average value to get the battery parameter reference value.

Alternatively, the reference value includes the nominal cold start capability, and the nominal cold start capability obtained from each test is determined by performing multiple tests on the battery containing the battery characteristics, and multiple reference values are obtained. The reference values are averaged to obtain the battery parameter reference value.

Alternatively, the reference value includes a starting voltage, and the starting voltage obtained from each test is determined by performing multiple tests on the battery containing the battery characteristics, and multiple reference values are obtained, and the multiple reference values are averaged , So as to get the battery parameter reference value.

By repeatedly detecting vehicles containing the battery characteristics and using the average value as the battery parameter reference value, thereby establishing the corresponding relationship between the battery characteristics and the battery parameter reference value, the present invention can reduce errors and improve the accuracy of battery judgment.

In the embodiment of the present invention, the battery parameter reference value is an average value of a plurality of battery parameters obtained after the battery containing the battery characteristics is tested multiple times, or the battery parameter reference value is a reference value of a large amount of diagnostic data and Data analysis of battery test data to obtain battery parameter reference values, wherein data analysis of massive diagnostic data and/or battery test data is completed by the cloud server, which is sent to the battery test via the cloud service module Device, the battery detection device receives the battery parameter reference value. Preferably, the embodiment of the present invention further uses the average value of multiple battery parameters obtained after multiple detections, and combines the cloud server to perform data analysis on the massive diagnostic data and/or battery detection data, and the obtained battery parameter reference value is comprehensively determined The battery parameter reference value, for example: assuming that the average value of multiple battery parameters obtained by the battery detection device after multiple detections is the first battery parameter reference value, the cloud server analyzes massive diagnostic data and/or battery detection data The battery parameter reference value obtained by data analysis is the second battery parameter reference value, and the final battery parameter reference value is determined through the preset first scale factor and second scale factor, for example: final battery parameter reference value = first scale factor *The first battery parameter reference value + the second scale factor * The second battery parameter reference value, wherein the sum of the first scale factor and the second scale factor is 1, for example: the first scale factor is 0.6, so The second scale factor is 0.4. By determining the first scale factor and the second scale factor, the battery detection device and the cloud server can be comprehensively utilized to improve the accuracy of the battery parameter reference value.

Step S20: detecting the battery of the vehicle to obtain battery parameters;

Specifically, the battery parameters include battery type, battery standard, nominal cold start capacity, nominal capacity, and healthy capacity value, and the battery parameters include battery remaining capacity, battery start capacity, battery voltage, battery health, generator Load capacity. The battery of the vehicle is detected by the battery detection module of the battery detection device to obtain the battery parameters. Wherein, the battery type refers to the type of storage battery, the battery type in the embodiment of the present invention is AGM storage battery, and the battery standard refers to the standards in the catalog of China's national battery standards and industry standards. The battery standard is the CCA standard.

Step S30: Compare the battery parameter with the battery parameter reference value, and determine the battery detection result according to the comparison result;

Specifically, the battery parameter includes a battery capacity, the battery parameter reference value includes a minimum power threshold, the battery detection result includes an abnormal battery state and a normal battery state, and the battery parameter is compared with the battery parameter reference value , And determine the battery test results based on the comparison results, including:

If the battery capacity is less than or equal to the minimum power threshold, it is determined that the battery state of the battery is abnormal, that is, the battery detection result is that the battery state is abnormal;

If the battery capacity is greater than the minimum power threshold, it is determined that the battery state of the battery is normal, that is, the battery detection result is that the battery state is normal.

In the embodiment of the present invention, the battery parameter further includes: battery cold start capability, the battery parameter reference value further includes a nominal cold start capability, the battery parameter is compared with the battery parameter reference value, and the battery parameter reference value The comparison result determines the battery test result, which also includes:

If the battery cold start capability is less than the nominal cold start capability, it is determined that the battery state of the battery is abnormal, that is, the battery detection result is that the battery state is abnormal;

If the battery cold start capability is greater than or equal to the nominal cold start capability, it is determined that the battery state of the battery is normal, that is, the battery detection result is that the battery state is normal.

In the embodiment of the present invention, the battery parameter further includes battery voltage, the battery parameter reference value further includes a startup voltage, the battery parameter is compared with the battery parameter reference value, and the battery detection result is determined according to the comparison result ,Also includes:

If the battery voltage is less than the start-up voltage, it is determined that the battery state of the battery is abnormal, that is, the battery detection result is that the battery state is abnormal;

If the battery voltage is greater than or equal to the starting voltage, it is determined that the battery state of the battery is normal, that is, the battery detection result is that the battery state is normal.

For the same testing process, multiple battery parameters can be tested, or only one battery parameter can be tested. For example, battery capacity, battery cold start capability, and battery voltage can be tested in the same testing process. These three parameters can be tested independently or dependent on some The detection conditions are checked sequentially. For example, after the battery capacity is checked, if the result is an abnormal battery state, the cold start capability of the battery will continue to be checked. For the battery test result, it may include the respective test results of the three parameters, and each result is displayed side by side; or the final battery test result is determined based on the three test results.

For example, in the embodiment of the present invention, the method further includes:

Respectively setting priorities for a plurality of battery parameters, setting the battery capacity to the first priority, setting the battery cold start capability to the second priority, and setting the battery voltage to the third priority;

Determine the detection order according to the priority of the battery parameter, wherein the detection order of the first priority is greater than the detection order of the second priority, and the detection order of the second priority is greater than the detection order of the third priority ；

Based on the detection sequence, compare each battery parameter with its corresponding battery parameter reference value, and comprehensively determine the battery detection result according to the comparison result of each battery parameter.

Specifically, if the comparison result of the battery parameter at the first priority is the abnormal state, it is determined that the battery detection result is the abnormal battery state of the battery;

If the comparison result of the battery parameter at the first priority is normal, but the comparison result of the battery parameter at the second priority is abnormal, then it is further determined whether the comparison result of the battery parameter at the third priority is abnormal , If it is, it is determined that the battery detection result is that the battery status of the battery is pending. At this time, the battery needs to be recharged and then tested; if not, it is determined that the battery detection result is that the battery status of the battery is abnormal;

If the comparison result of the battery parameters at the first priority is that the status is normal, and the comparison result of the battery parameters at the second priority is that the status is normal, it is determined that the battery detection result is that the battery status of the battery is normal.

In the embodiment of the present invention, by setting different priorities for different battery parameters, determining the detection order according to the priority, and combining the comparison results of different priorities to determine the battery detection result of the battery, the embodiment of the present invention can improve the battery The speed and accuracy of abnormal judgment.

In the embodiment of the present invention, by providing a battery detection method applied to a battery detection device, the battery detection device is connected to a battery of a vehicle through an electrical connector, and the method includes: querying according to the vehicle information of the vehicle Preset a table of correspondences between vehicle information and battery parameter reference values to obtain battery parameter reference values corresponding to the vehicle information; detect the battery of the vehicle to obtain battery parameters; compare the battery parameters with the battery The parameter reference value, and the battery test result is determined according to the comparison result. By presetting the correspondence table between vehicle information and battery parameter reference values, and combining battery parameters to determine the battery detection result, the present invention can improve the accuracy of battery detection.

Please refer to FIG. 6, which is a schematic diagram of a battery detection device according to an embodiment of the present invention;

As shown in FIG. 6, the battery detection device 20 includes a battery detection module 21 and a control module 22, and the battery detection module 21 is communicatively connected to the control module 22.

The battery detection module 21 is used to detect the battery of the vehicle to obtain battery parameters;

The control module 22, connected to the battery detection module 21, is used to obtain vehicle information of the vehicle, query the correspondence table of preset vehicle information and battery parameter reference values, to obtain the battery parameter reference value corresponding to the vehicle information; and The battery parameter is compared with the battery parameter reference value, and the battery detection result is determined according to the comparison result.

Please refer to FIG. 7 again, which is a schematic diagram of another battery detection device provided by an embodiment of the present invention;

As shown in FIG. 7, the battery detection device 20 includes: a battery detection module 21, a control module 22, a battery detection database module 23, a storage module 24, an information input module 25, a display module 26 and a cloud service module 27.

The battery detection module 21 is connected to the control module 22 and the storage module 24, and is used to detect the battery of the vehicle to obtain battery parameters, and send the battery parameters to the control module 22 and the storage module 24; The battery parameters include battery capacity, battery starting ability, battery voltage, battery health, battery starting ability, generator load capacity, conductivity parameters, etc. The battery detection module 21 is used to be responsible for battery capacity measurement, battery starting ability measurement, Battery voltage change curve collection, battery health detection, battery startup ability detection, generator load capacity detection.

In the embodiment of the present invention, the voltage change curve is collected: the unit is V (Volt) or mV (Millivolt), generally a load is applied to both ends of the battery, and the voltage that changes continuously for a period of time after the load is added; the battery Health level detection: The health level is generally tested by CCA and compared with the nominal CCA under the voltage according to different voltage conditions. For example, the CCA of 12.5V is 500, and the tested CCA is 400, so healthy The degree is 80%; the battery start-up capability test: needs to be modified to start-up capability test, which tests the performance of the starter. Generally, it is necessary to pay attention to the start-up time and the start-up voltage. When the voltage is lower than a certain value, the starter function is abnormal; The battery start-up capability test: needs to be modified to start-up capability test, which tests the performance of the starter. Generally, it is necessary to pay attention to the start-up time and start-up voltage. When the voltage is lower than a certain value, the starter function is abnormal; the load capacity of the generator Detection: The main detection is the voltage and current output by the generator when it is working, generally expressed in V (Volt) and A (Ampere).

The control module 22 is connected to the battery detection module 21, the battery detection database module 23, the storage module 24, the information input module 25, the display module 26 and the cloud service module 27, and is used to receive the vehicle sent by the information input module 25 Information, query the correspondence table between preset vehicle information and battery parameter reference values to obtain the battery parameter reference value corresponding to the vehicle information, receive the battery parameter sent by the battery detection module 21, and compare the battery parameter with The battery parameter reference value, and the battery detection result is determined according to the comparison result.

In the embodiment of the present invention, the control module 22 includes: at least one processor; and a memory communicatively connected with the at least one processor; wherein, the memory stores the memory that can be executed by the at least one processor; The instruction is executed by the at least one processor to enable the at least one processor to execute the battery detection method according to the embodiment of the present invention, including: querying preset vehicle information according to the vehicle information of the vehicle A table of correspondences with battery parameter reference values to obtain battery parameter reference values corresponding to the vehicle information; detect the battery of the vehicle to obtain battery parameters; compare the battery parameters with the battery parameter reference values, And determine the battery test result according to the comparison result.

The battery detection database module 23, connected to the control module 22 and the storage module 24, is used to generate a battery detection database, where the battery detection database includes a table of correspondences between preset vehicle information and battery parameter reference values. The control module 22 determines the battery parameter reference value corresponding to the vehicle information through the battery detection database module 23, and the battery detection database module 23 is further configured to send the battery detection database to the storage module for storage.

In the embodiment of the present invention, the establishment of the battery detection database will be achieved through a variety of ways, including through traditional real-vehicle testing, big data collection, etc., to finally establish a comprehensive relational table database. The battery detection The database includes a correspondence table of preset vehicle information and battery parameter reference values. The data of the correspondence table includes: VIN code, brand, model year, model, battery parameters (battery type, battery standard, nominal CCA, nominal Battery capacity, pole position, battery installation position), battery capacity threshold and other information. Wherein, the pole position refers to the position of the battery pole. Generally, there are three types of battery poles: top post, side post, and dual post.

The storage module 24 is connected to the control module 22 and the battery detection database module 23, and is used to store vehicle data collected regularly or triggered by an event, and store the battery detection result. Wherein, the storage module 24 may be a non-volatile readable memory.

The information input module 25 is connected to the control module 22 and is used to obtain vehicle information of the vehicle. The vehicle information includes VIN information and/or MMY information. The information input module 25 can be a display screen, a keyboard, and other entities. equipment.

In the embodiment of the present invention, the information input module supports the auto-reading VIN code through the connecting seat used for diagnosis in the car, for example, the diagnostic link connector (Diagnostic Link Connector, DLC) automatically reads the VIN code, and supports image recognition and scanning to identify the VIN. Code, support manual input of VIN code, support manual input of MMY, support manual input of battery parameter information.

The display module 26 is connected to the control module 22, and is used to receive the battery test result sent by the control module and present the battery test result. Specifically, the display module 26 is used to display a user interaction interface so that the user Obtain the battery detection result based on the user interaction interface.

In the embodiment of the present invention, the display module 26 includes a display screen and a hardware circuit for driving the display screen. The display screen is a display screen on a battery testing device, for example, a display screen of a battery tester.

The cloud service module 27 is connected to the control module 22 and is used to obtain vehicle information of the vehicle generated in the cloud, or to upload the battery detection result to the cloud for data backup. Wherein, the cloud service module 27 determines whether to upload the battery detection result to the cloud for data backup according to the user authorization information obtained by the control module.

In the embodiment of the present invention, the cloud service module 27 provides device access capabilities, supports big data collection and analysis, supports deep learning, and continuously improves the battery detection database. Through data analysis of massive diagnostic data, obtain VIN code, brand, model year, model, battery parameters (battery type, battery standard, nominal CCA, nominal battery capacity, pole position, battery installation position), battery capacity valve Value and other information, continue to improve the correspondence table, so as to improve the battery detection database.

In the embodiment of the present invention, a battery detection device is provided, which includes a battery detection module and a control module, wherein the battery detection module is used to detect the battery parameters of the current car to obtain the battery parameters of the current car; the control module , Connected to the battery detection module, the control module includes: at least one processor; and a memory communicatively connected with the at least one processor; wherein the memory stores instructions that can be executed by the at least one processor The instruction is executed by the at least one processor, so that the at least one processor can execute the battery detection method according to the embodiment of the present invention. By presetting the correspondence table between vehicle information and battery parameter reference values, and combining battery parameters to determine the battery detection result, the present invention can improve the accuracy of battery detection.

Please refer to FIG. 8, which is a schematic diagram of the hardware structure of a battery detection device according to various embodiments of the present invention;

As shown in FIG. 8, the battery detection device 80 includes but is not limited to: a radio frequency unit 81, a network module 82, an audio output unit 83, an input unit 84, a sensor 85, a display unit 86, a user input unit 87, an interface unit 88, and a memory 89, a processor 810, a power supply 811, and other components. The battery detection device also includes a camera. Those skilled in the art can understand that the structure of the battery detection device shown in FIG. 8 does not constitute a limitation on the battery detection device. The battery detection device may include more or less components than those shown in the figure, or a combination of certain components, Or different component arrangements. In the embodiment of the present invention, battery detection equipment includes, but is not limited to, a TV, a mobile phone, a tablet computer, a notebook computer, a palmtop computer, a vehicle-mounted terminal, a wearable device, and a pedometer.

The processor 810 is configured to query the correspondence table between preset vehicle information and battery parameter reference values according to the vehicle information of the vehicle, so as to obtain the battery parameter reference values corresponding to the vehicle information; Detecting to obtain battery parameters; comparing the battery parameters with the battery parameter reference values, and determining the battery detection result according to the comparison result.

In the embodiment of the present invention, on the one hand, the correspondence table between preset vehicle information and battery parameter reference values is queried through the vehicle information of the vehicle to obtain the battery parameter reference values corresponding to the vehicle information; on the other hand, through Detecting the battery of the vehicle to obtain battery parameters; comparing the battery parameters with the battery parameter reference values, and determining the battery detection result according to the comparison result, which can improve the accuracy of battery detection.

It should be understood that, in this embodiment of the present invention, the radio frequency unit 81 can be used for receiving and sending signals in the process of sending and receiving information or talking. Specifically, after receiving the downlink data from the base station, it is processed by the processor 810; in addition, Uplink data is sent to the base station. Generally, the radio frequency unit 81 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like. In addition, the radio frequency unit 81 can also communicate with the network and other devices through a wireless communication system.

The battery testing device 80 provides users with wireless broadband Internet access through the network module 82, such as helping users to send and receive emails, browse web pages, and access streaming media.

The audio output unit 83 can convert the audio data received by the radio frequency unit 81 or the network module 82 or stored in the memory 89 into an audio signal and output it as sound. Moreover, the audio output unit 83 may also provide audio output related to a specific function performed by the battery detection device 80 (for example, call signal reception sound, message reception sound, etc.). The audio output unit 83 includes a speaker, a buzzer, a receiver, and the like.

The input unit 84 is used to receive audio or video signals. The input unit 84 may include a graphics processing unit (GPU) 841 and a microphone 842. The graphics processor 841 is configured to monitor the target of a still picture or video obtained by an image capture device (such as a camera) in the video capture mode or the image capture mode. The image is processed. The processed image frame can be displayed on the display unit 86. The image frames processed by the graphics processor 841 may be stored in the memory 89 (or other storage medium) or sent via the radio frequency unit 81 or the network module 82. The microphone 842 can receive sound, and can process such sound into audio data. The processed audio data can be converted into a format that can be sent to the mobile communication base station via the radio frequency unit 81 for output in the case of a telephone call mode.

The battery detection device 80 also includes at least one sensor 85, such as a light sensor, a motion sensor, and other sensors. Specifically, the light sensor includes an ambient light sensor and a proximity sensor. The ambient light sensor can adjust the brightness of the display panel 861 according to the brightness of the ambient light, and the proximity sensor can close the display panel 861 when the battery detection device 80 is moved to the ear. And/or backlight. As a kind of motion sensor, the accelerometer sensor can detect the magnitude of acceleration in various directions (usually three-axis), and can detect the magnitude and direction of gravity when stationary, and can be used to identify the attitude of the battery detection device (such as horizontal and vertical screen switching, related Games, magnetometer posture calibration), vibration recognition related functions (such as pedometer, tap), etc.; sensor 85 can also include fingerprint sensors, pressure sensors, iris sensors, molecular sensors, gyroscopes, barometers, hygrometers, and thermometers , Infrared sensor, etc., I won’t repeat them here.

The display unit 86 is used to display information input by the user or information provided to the user. The display unit 86 may include a display panel 861, and the display panel 861 may be configured in the form of a liquid crystal display (LCD), an organic light-emitting diode (OLED), etc.

The user input unit 87 may be used to receive input numeric or character information, and generate key signal input related to user settings and function control of the battery detection device. Specifically, the user input unit 87 includes a touch panel 871 and other input devices 872. The touch panel 871, also called a touch screen, can collect the user's touch operations on or near it (for example, the user uses any suitable objects or accessories such as fingers, stylus, etc.) on the touch panel 871 or near the touch panel 871. operate). The touch panel 871 may include two parts, a touch detection device and a touch controller. Among them, the touch detection device detects the user's touch position, and detects the signal brought by the touch operation, and transmits the signal to the touch controller; the touch controller receives the touch information from the touch detection device, converts it into contact coordinates, and then sends it To the processor 810, the command sent by the processor 810 is received and executed. In addition, the touch panel 871 can be implemented in multiple types such as resistive, capacitive, infrared, and surface acoustic wave. In addition to the touch panel 871, the user input unit 87 may also include other input devices 872. Specifically, other input devices 872 may include, but are not limited to, a physical keyboard, function keys (such as volume control buttons, switch buttons, etc.), trackball, mouse, and joystick, which will not be repeated here.

Further, the touch panel 871 can cover the display panel 861. When the touch panel 871 detects a touch operation on or near it, it transmits it to the processor 810 to determine the type of the touch event, and then the processor 810 determines the type of the touch event according to the touch The type of event provides corresponding visual output on the display panel 861. Although in FIG. 8, the touch panel 871 and the display panel 861 are used as two independent components to realize the input and output functions of the battery detection device, but in some embodiments, the touch panel 871 and the display panel 861 can be combined. Integrate to realize the input and output functions of the battery detection device, and the specifics are not limited here.

The interface unit 88 is an interface for connecting an external device and the battery testing device 80. For example, the external device may include a wired or wireless headset port, an external power source (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device with an identification module, audio input/output (I/O) port, video I/O port, headphone port, etc. The interface unit 88 can be used to receive input (for example, data information, power, etc.) from an external device and transmit the received input to one or more elements in the battery testing device 80 or can be used to connect to the battery testing device 80 Transfer data between and external devices.

The memory 89 can be used to store software programs and various data. The memory 89 may mainly include a storage program area and a storage data area. The storage program area may store at least one application program 891 (such as a sound playback function, an image playback function, etc.) required by at least one function, an operating system 892, etc.; the storage data area may Store the data (such as audio data, phone book, etc.) created based on the use of the mobile phone. In addition, the memory 89 may include a high-speed random access memory, and may also include a non-volatile memory, such as at least one magnetic disk storage device, a flash memory device, or other volatile solid-state storage devices.

The processor 810 is the control center of the battery testing equipment. It uses various interfaces and lines to connect the various parts of the entire battery testing equipment. It runs or executes software programs and/or modules stored in the memory 89, and calls and stores them in the memory 89. Execute the various functions and process data of the battery testing equipment, so as to monitor the battery testing equipment as a whole. The processor 810 may include one or more processing units; preferably, the processor 810 may integrate an application processor and a modem processor, where the application processor mainly processes the operating system, user interface and application programs, etc., the modem The processor mainly deals with wireless communication. It can be understood that the foregoing modem processor may not be integrated into the processor 810.

The battery detection device 80 may also include a power source 811 (such as a battery) for supplying power to various components. Preferably, the power source 811 may be logically connected to the processor 810 through a power management system, so as to manage charging, discharging, and power consumption through the power management system. Management and other functions.

In addition, the battery detection device 80 includes some functional modules not shown, which will not be repeated here.

Preferably, the embodiment of the present invention also provides a battery testing device, including a processor 810, a memory 89, a computer program stored on the memory 89 and running on the processor 810, and the computer program is executed by the processor 810 Each process of the foregoing battery detection method embodiment can be realized at a time, and the same technical effect can be achieved. In order to avoid repetition, details are not repeated here.

The battery detection device 80 of the embodiment of the present invention exists in various forms, including but not limited to:

(1) Battery tester refers to an instrument for quickly testing multiple types of batteries (groups) such as lithium-ion batteries, nickel-metal hydride batteries, and polymer batteries. Such as: mobile phone battery tester, walkie-talkie battery tester, notebook battery tester, etc.; widely used in assembly line production testing of various battery manufacturers; its common battery testers include: battery voltage internal resistance tester, finished battery comprehensive tester, Battery capacity tester, lithium battery protection board tester, battery voltage sorter.

(2) Mobile communication equipment: This type of equipment is characterized by mobile communication functions, and its main goal is to provide voice and data communications. Such electronic devices include: smart phones (such as iPhone), multimedia phones, functional phones, and low-end phones.

(3) Mobile personal computer equipment: This type of equipment belongs to the category of personal computers, has calculation and processing functions, and generally also has mobile Internet features. Such electronic devices include: PDA, MID and UMPC devices, such as iPad.

(4) Portable entertainment equipment: This type of equipment can display and play video content, and generally also has mobile Internet features. Such devices include: video players, handheld game consoles, as well as smart toys and portable car navigation devices.

(5) Other electronic equipment with video playback function and Internet access function.

The embodiment of the present invention also provides a computer-readable storage medium on which a computer program is stored. When the computer program is executed by one or more processors, each process of the above-mentioned battery detection method embodiment is implemented and can be To achieve the same technical effect, in order to avoid repetition, I will not repeat them here. Wherein, the computer-readable storage medium, such as read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk, or optical disk, etc.

It should be noted that in this article, the terms "include", "include" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, It also includes other elements that are not explicitly listed, or elements inherent to the process, method, article, or device. If there are no more restrictions, the element defined by the sentence "including a..." does not exclude the existence of other identical elements in the process, method, article, or device that includes the element.

The above-described device or device embodiments are merely illustrative. The unit modules described as separate components may or may not be physically separated, and the components displayed as modular units may or may not be physical units. , Which can be located in one place, or can be distributed to multiple network module units. Some or all of the modules can be selected according to actual needs to achieve the objectives of the solutions of the embodiments.

Through the description of the above implementation manners, those skilled in the art can clearly understand that the above-mentioned embodiment methods can be implemented by means of software plus the necessary general hardware platform. Of course, it can also be implemented by hardware, but in many cases the former is better.的实施方式。 Based on this understanding, the technical solution of the present invention essentially or the part that contributes to the existing technology can be embodied in the form of a software product, and the computer software product is stored in a storage medium (such as ROM/RAM, magnetic disk, The optical disc) includes several instructions to make a terminal (which may be a mobile terminal, a personal computer, a server, or a network device, etc.) execute the methods described in the various embodiments or some parts of the embodiments of the present invention.

Finally, it should be noted that the embodiments described above in conjunction with the drawings are only used to illustrate the technical solutions of the present invention, and the present invention is not limited to the above-mentioned specific embodiments. The above-mentioned specific embodiments are merely illustrative, not restrictive. Sexual; under the idea of the present invention, the above embodiments or the technical features of different embodiments can also be combined, the steps can be implemented in any order, and there are many other changes in different aspects of the present invention as described above For the sake of brevity, they are not provided in the details; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or Some of the technical features are equivalently replaced; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

A battery detection method, characterized in that it is applied to a battery detection device, the battery detection device is connected to a battery of a vehicle through an electrical connector, and the method includes:

According to the vehicle information of the vehicle, query a table of correspondences between preset vehicle information and battery parameter reference values to obtain the battery parameter reference value corresponding to the vehicle information;

Detecting the battery of the vehicle to obtain battery parameters;

The battery parameter is compared with the battery parameter reference value, and the battery detection result is determined according to the comparison result.
The method according to claim 1, wherein the correspondence table includes a correspondence relationship between the vehicle information and battery characteristics of the storage battery, and a correspondence relationship between the battery characteristics and battery parameter reference values;

The querying the correspondence table between preset vehicle information and battery parameter reference values according to the vehicle information of the vehicle to obtain the battery parameter reference values corresponding to the vehicle information includes:

Determine the battery characteristics corresponding to the vehicle information according to the correspondence table;

According to the battery characteristic, a battery parameter reference value corresponding to the battery characteristic is determined.
The method according to claim 2, wherein the battery parameter reference value is an average value of a plurality of battery parameters obtained after the battery including the battery characteristic is tested multiple times.
The method according to claim 1, wherein the battery parameter includes battery capacity, the battery parameter reference value includes a minimum power threshold, and the battery detection result includes an abnormal battery state and a normal battery state, and the comparison is The battery parameter and the battery parameter reference value, and the battery test result is determined according to the comparison result, including:

If the battery capacity is less than or equal to the minimum power threshold, determining that the battery status of the battery is abnormal;

If the battery capacity is greater than the minimum power threshold, it is determined that the battery state of the battery is normal.
The method according to claim 1, wherein the battery parameter includes: battery cold start capability, the battery parameter reference value further includes a nominal cold start capability, and the comparison between the battery parameter and the battery parameter Reference value, and determine the battery test result based on the comparison result, including:

If the battery cold start capability is less than the nominal cold start capability, determining that the battery status of the battery is abnormal;

If the battery cold start capability is greater than or equal to the nominal cold start capability, it is determined that the battery state of the battery is normal.
The method according to claim 1, wherein the battery parameter includes a battery voltage, the battery parameter reference value further includes a start-up voltage, the battery parameter is compared with the battery parameter reference value, and the comparison is based on The result determines the battery test result and also includes:

If the battery voltage is less than the starting voltage, determining that the battery status of the battery is abnormal;

If the battery voltage is greater than or equal to the starting voltage, it is determined that the battery state of the battery is normal.
The method according to any one of claims 1-6, wherein the vehicle information comprises: VIN information and/or MMY information.
A battery testing equipment, characterized in that it comprises:

The battery detection module is used to detect the battery parameters of the vehicle and obtain the battery parameters of the vehicle;

The control module is connected to the battery detection module, and the control module includes:

At least one processor; and

A memory communicatively connected with the at least one processor; wherein,

The memory stores instructions executable by the at least one processor, and the instructions are executed by the at least one processor, so that the at least one processor can execute any one of claims 1-7 Battery detection method.
8. The battery testing device according to claim 8, wherein the battery testing device further comprises:

A display module, connected to the control module, for displaying a user interaction interface, so that the user can obtain a battery detection result based on the user interaction interface;

The cloud service module, connected to the control module, is used to upload the battery detection result to the cloud for data backup, or to obtain vehicle information of the vehicle generated in the cloud.
8. The battery testing device according to claim 8, wherein the battery testing device further comprises:

The information input module is connected to the control module and used to obtain vehicle information of the vehicle.