Method for checking communication state and battery management system for performing same

Abstract

Disclosed are a method for checking a communication state of a battery management system communicating with an external battery management system, and a battery management system for performing same. The method comprises the steps of: receiving an optical signal having communication information transmitted from an external battery management system through a light receiving unit including a plurality of optical sensors arranged in a symmetrical structure around a reference point; identifying one or more optical sensors receiving the optical signal among the plurality of optical sensors; and checking a communication state with the external battery management system on the basis of the identification result.

Description

Method for checking communication status and battery management system performing the same

[0001] The present disclosure relates to a method for checking a communication status and a battery management system for performing the same.

[0002] Communication between the battery management system and an external battery system involves measuring the status of the battery module and exchanging related control signals. The most commonly used communication method is optical communication using light-emitting elements such as photodiodes. Various studies are being conducted to diagnose the communication status between the physically separate battery management system and the external battery management system, and to quickly and accurately identify solutions for communication issues.

[0003] The technical tasks to be achieved by this embodiment are not limited to the technical tasks described above, and other technical tasks can be inferred from the following embodiments.

[0004] A method for checking a communication status of a battery management system communicating with an external battery management system according to one embodiment may include the steps of: receiving an optical signal having communication information transmitted from the external battery management system through a light receiving unit including a plurality of optical sensors arranged in a symmetrical structure centered on a reference point; identifying one or more optical sensors among the plurality of optical sensors that have received the optical signal; and checking a communication status with the external battery management system based on a result of the identifying.

[0005] The step of checking the communication status may include a step of determining that the communication status of the battery management system and the external battery management system is normal when the optical signal is received from all of the plurality of optical sensors.

[0006] The step of checking the communication status may include a step of determining that the communication status between the battery management system and the external battery management system is a state of poor signal strength when a signal is received from one or more light sensors less than the number of all light sensors among the plurality of light sensors and the arrangement of the one or more light sensors is symmetrical with respect to the reference point.

[0007] A method of checking according to one embodiment further comprises a step of transmitting control information including a notification regarding the communication status, wherein the control information may include information regarding adjustment of optical signal intensity between the battery management system and the external battery management system and information regarding adjustment of a distance between the battery management system and the external battery management system.

[0008] The step of checking the communication status may include a step of determining that the communication status between the battery management system and the external battery management system is misaligned when a signal is received from one or more of the plurality of light sensors and the arrangement of the one or more light sensors is asymmetrical with respect to the reference point.

[0009] A method of checking according to one embodiment further includes a step of transmitting control information including a notification regarding the communication status, wherein the control information may include information regarding angle adjustment between a light receiving unit of the battery management system and a light emitting unit of the external battery management system.

[0010] A method of checking according to one embodiment may further include the steps of obtaining an average value of the intensities of optical signals received from each of the one or more optical sensors; and analyzing the communication information based on the average value.

[0011] The step of analyzing the above communication information may include a step of converting the form of the optical signals from an analog signal form to a digital signal form.

[0012] An electronic device for performing a method for checking a communication status of a battery management system communicating with an external battery management system according to one embodiment may include a light receiving unit that receives an optical signal having communication information transmitted from the external battery management system through a plurality of optical sensors arranged in a symmetrical structure centered on a reference point; a light emitting unit that transmits an optical signal to the external battery management system; and a control unit that identifies one or more optical sensors among the plurality of optical sensors that have received the optical signal and checks a communication status with the external battery management system based on a result of the identification.

[0013] Specific details of other embodiments are included in the detailed description and drawings.

[0014] According to the method for checking the communication status of the battery management system according to the present disclosure, it is possible to determine whether the communication status between the battery management system and an external battery management system is in a faulty state, and to determine whether the faulty state is due to a signal strength problem between the battery management systems or a problem in the alignment status between the battery management systems, and to determine appropriate measures to be taken accordingly.

[0015] In addition, according to the method of the present disclosure, data can be acquired from not only one optical signal used for communication between battery management systems, but also multiple optical signals, and restoration of original data with higher accuracy can be possible compared to wireless communication using one optical signal.

[0016] The effects according to various embodiments of the present disclosure are not limited to the effects mentioned above, and other effects not mentioned will be clearly understood by those skilled in the art from the description of the claims.

[0017]

[0018] FIG. 1 is a diagram illustrating the concept of a system for performing communication between battery management systems according to one embodiment.

[0019] FIGS. 2A and 2B are drawings for explaining the overall concept of a method for checking the communication status between battery management systems according to one embodiment.

[0020] Figure 3 is a flowchart illustrating a method for checking a communication status according to one embodiment.

[0021] Figure 4 is an exemplary diagram for explaining the state of a light receiving unit in a method for checking a communication state according to one embodiment.

[0022] FIG. 5 is a flowchart for explaining a process of processing optical signals received from a plurality of optical sensors in a method for checking a communication status according to one embodiment.

[0023] FIG. 6 illustrates a block diagram of a battery management system according to one embodiment.

[0024]

[0025] The terms used in the embodiments have been selected from widely used and common terms, taking into account the functions of the present disclosure. However, these terms may vary depending on the intentions of those skilled in the art, precedents, the emergence of new technologies, etc. Furthermore, in certain cases, terms may be arbitrarily selected by the applicant, in which case their meanings will be described in detail in the relevant description. Therefore, the terms used in this disclosure should not be defined simply as names of terms, but rather based on the meanings of the terms and the overall content of the present disclosure.

[0026] When a part of a specification is said to "include" a component, this does not mean that it excludes other components, but rather that it may include other components, unless otherwise stated.

[0027] The expression "at least one of a, b, and c" described throughout the specification may encompass 'a alone', 'b alone', 'c alone', 'a and b', 'a and c', 'b and c', or 'all of a, b, and c'.

[0028] The "terminal" mentioned below may be implemented as a computer or portable terminal that can connect to a server or other terminal via a network. Here, the computer includes, for example, a notebook, desktop, laptop, etc. equipped with a web browser, and the portable terminal may include, for example, a wireless communication device that guarantees portability and mobility, and may include all types of handheld-based wireless communication devices such as communication-based terminals such as IMT (International Mobile Telecommunication), CDMA (Code Division Multiple Access), W-CDMA (W-Code Division Multiple Access), LTE (Long Term Evolution), smartphones, tablet PCs, etc.

[0029] Below, embodiments of the present disclosure are described in detail with reference to the attached drawings so that those skilled in the art can easily implement the present disclosure. However, the present disclosure may be implemented in various different forms and is not limited to the embodiments described herein.

[0030] Hereinafter, embodiments of the present disclosure will be described in detail with reference to the drawings.

[0031]

[0032] FIG. 1 is a diagram illustrating the concept of a system that performs a method for checking the communication status of a battery management system between battery management systems according to one embodiment.

[0033] Referring to FIG. 1, a system (101) that performs a method for checking a communication status of a battery management system (100) according to one embodiment may include a battery management system (100) that performs a communication status check and an external battery management system (200) that performs communication with the battery management system (100).

[0034] The present disclosure is intended to maintain a communication status between a battery management system (100) and an external battery management system (200). More specifically, the light-emitting unit (130) of the battery management system (100) according to the present disclosure can transmit an optical signal to the external battery management system (200) using one optical sensor or a plurality of optical sensors. In addition, the light-receiving unit (110) of the battery management system (100) can receive an optical signal from the external battery management system (200) using a plurality of optical sensors arranged in a symmetrical structure centered on a reference point.

[0035] Through this, when wireless communication between the battery management system (100) and the external battery management system (200) is performed, the positions and number of sensors reacting from the plurality of light sensors of the light receiving unit (110) of the battery management system (100) can be confirmed, thereby confirming whether the arrangement of the light emitting unit (230) of the external battery management system (200) and the light receiving unit (110) of the battery management system (100) are aligned in a straight line, and even if the arrangement between the two is not straight and misaligned, wireless communication can be maintained. In addition, even if the intensity of the light signal emitted from the light emitting unit (230) of the external battery management system (200) becomes weak, since the light receiving unit (110) of the battery management system (100) includes a plurality of light sensors, the problem of wireless communication between the battery management system (100) and the external battery management system (200) being disconnected can be reduced. Furthermore, since the light signal emitted from the light emitting unit (230) of the external battery management system (200) is received by the light receiving unit (110) of the battery management system (100) through a plurality of light sensors rather than a single light sensor, an average value of the plurality of light signals can be used for data restoration, and the accuracy of data restored from the light signal can be increased.

[0036]

[0037] FIGS. 2A and 2B are drawings for explaining the overall concept of a method for checking the communication status between battery management systems according to one embodiment.

[0038] Referring to Fig. 2a, a method (201) for performing communication between conventional battery management systems can be confirmed. According to the conventional method (201), the light-receiving unit (110) of the battery management system (100) was mainly composed of a single optical sensor. When an optical signal was transmitted from the light-emitting unit (230) of the external battery management system (200) and reached the light-receiving unit (110) of the battery management system (100), if the arrangement alignment of the light-emitting unit (230) of the external battery management system (200) and the light-receiving unit (110) of the battery management system (100) was not in a straight line, there were cases where the transmission of the optical signal was not performed properly. In addition, when the signal strength of the optical signal transmitted from the light-emitting unit (230) of the external battery management system (200) was weak, it was difficult to identify the cause of the resulting response and communication failure. Furthermore, when the light receiving unit (110) uses a single optical sensor, there is a problem that the accuracy of data transmission may be reduced based on a single optical signal.

[0039] Referring to FIG. 2b, a method (202) for checking a communication status between battery management systems according to one embodiment can be confirmed.

[0040] According to an embodiment of the present invention, a method (202) can identify one or more optical sensors that have received an optical signal among a plurality of optical sensors (115) through a light receiving unit (110) of a battery management system (100) including a plurality of optical sensors (115) arranged in a symmetrical structure centered on a reference point (116). Furthermore, depending on the arrangement of the plurality of optical sensors (115) arranged in a symmetrical structure, it can be confirmed whether the communication status between the battery management system (100) and an external battery management system (200) is normal, and if the communication status between the battery management system (100) and the external battery management system (200) is defective, it can be confirmed why the communication status is defective. Furthermore, it can be determined what action is necessary to resolve the cause of the defect.

[0041] In addition, when the light signal transmitted from the light emitting unit (230) of the external battery management system (200) is received by the light receiving unit (110) of the battery management system (100) including a plurality of light sensors (115), one or more light sensors included in the plurality of light sensors (115) may react to generate a plurality of identical light signals (e.g., analog signals). The battery management system (100) may obtain a single average value obtained by averaging the plurality of received analog signals, and thus may be able to analyze communication information to restore data with higher accuracy than when using a single light sensor.

[0042] In the present disclosure, since the light receiving unit (210) of the external battery management system (200) receives an optical signal through the light emitting unit (130) of the battery management system (100), the structure of the light receiving unit (210) of the external battery management system (200) may also include a plurality of optical sensors arranged in a symmetrical structure centered on a specific reference point, similar to the structure of the light receiving unit (110) of the battery management system (100) mentioned above. Considering the symmetrical relationship between the battery management system (100) and the external battery management system (200), the present disclosure will be described based on the battery management system (100).

[0043]

[0044] Figure 3 is a flowchart illustrating a method for checking a communication status according to one embodiment.

[0045] Referring to FIG. 3, in step (310), a battery management system (100) according to an embodiment may receive an optical signal having communication information transmitted from an external battery management system (200) through a light receiving unit (110) including a plurality of optical sensors (115) arranged in a symmetrical structure centered on a reference point (116). At this time, the battery management system (100) may obtain optical signals from one or more optical sensors included in the plurality of optical sensors (115), and the form of the optical signal may be analog. Furthermore, the battery management system (100) may restore data more precisely by considering all values ​​of the obtained optical signals, which will be described in detail in FIG. 5.

[0046] In step (320), the battery management system (100) according to one embodiment can identify one or more optical sensors among the plurality of optical sensors (115) that have received an optical signal. For example, the battery management system (100) can identify one or more optical sensors that have received an optical signal and can identify the arrangement relationship thereof. For example, the battery management system (100) can identify that all of the plurality of optical sensors (115) have received an optical signal, or can identify that only some of the plurality of optical sensors (115) have received an optical signal. Various cases for this will be described in detail below with reference to FIG. 4.

[0047] In step (330), the battery management system (100) according to one embodiment can check the communication status with the external battery management system (200) based on the verified result. In addition to cases where the battery management system (100) determines that the communication status between the battery management system (100) and the external battery management system (200) is normal based on the checked communication status, if the battery management system (100) determines that the communication status is poor due to some cause, the battery management system (100) can provide a corresponding notification and provide information on appropriate measures. For example, if the battery management system (100) determines that the communication status is poor, the battery management system (100) can provide the corresponding notification through sound or light, or can provide the corresponding notification to the vehicle electronic control unit or an external server.

[0048]

[0049] Figure 4 is an exemplary diagram for explaining the state of a light receiving unit in a method for checking a communication state according to one embodiment.

[0050] Referring to FIG. 4, a plurality of light sensors (115) arranged in a symmetrical structure centered on a reference point (116) can be confirmed. In FIG. 4, a 4 X 4 square structure centered on a reference point (116) is illustrated as an example of a plurality of light sensors (115), but the structure of the plurality of light sensors (115) is not limited to the above case, and the structure of the plurality of light sensors (115) may have, for example, a square structure of a size of 2 X 2 or more or a circular structure.

[0051] For example, referring to the signal input state (410), the signal input state (410) may correspond to a case where all of the light sensors included in the plurality of light sensors (115) that received the light signal from the external battery management system (200) received the light signal. In this case, the battery management system (100) can confirm that all of the plurality of light sensors (115) received the light signal as described in step (320) of FIG. 3, and can determine that the communication state between the battery management system (100) and the external battery management system (200) is normal.

[0052] For example, referring to the signal input state (420), the signal input state (420) may correspond to a case where a signal is received from one or more optical sensors less than the number of all optical sensors among the optical sensors (115) that received the optical signal from the external battery management system (200), and the arrangement state of the one or more optical sensors that received the signal is symmetrical with respect to the reference point (116). In this case, the battery management system (100) can confirm that some of the optical sensors (115) received the optical signal and that the arrangement state thereof is symmetrical with respect to the reference point (116), as described in step (320) of FIG. 3. This may be the case where the alignment state of the light emitting unit (230) of the external battery management system (200) that transmits the light signal and the light receiving unit (110) of the battery management system (100) that receives the light signal are positioned on a straight line centered on the reference point (116), but the intensity of the light signal is not strong enough for all of the plurality of light sensors (115) that receive the light signal to receive the light signal. Accordingly, the battery management system (100) may determine that the communication state between the battery management system (100) and the external battery management system (200) is a state of poor signal intensity. In addition, the battery management system (100) may transmit control information including a notification regarding the above communication state, information regarding adjustment of the light signal intensity between the battery management system (100) and the external battery management system (200), and information regarding adjustment of the distance between the battery management system (100) and the external battery management system (200). Through this, the battery management system (100) can provide an opportunity to maintain and manage the communication system before a communication failure occurs between the battery management system (100) and the external battery management system (200).

[0053] For example, referring to the signal input state (430), the signal input state (430) may correspond to a case where a signal is received from one or more optical sensors less than the number of all optical sensors among the optical sensors (115) that received the optical signal from the external battery management system (200), and the arrangement state of the one or more optical sensors that received the signal is asymmetrical with respect to the reference point (116). In this case, the battery management system (100) can confirm that some of the optical sensors (115) received the optical signal and that the arrangement state thereof is asymmetrical with respect to the reference point (116), as described in step (320) of FIG. 3. This means that the alignment status of the light emitting unit (230) of the external battery management system (200) that transmits the light signal and the light receiving unit (110) of the battery management system (100) that receives the light signal are not located on a straight line with respect to the reference point (116), and thus may correspond to a case where the alignment status between the battery management system (100) and the external battery management system (200) is poor. Accordingly, the battery management system (100) may determine that the communication status between the battery management system (100) and the external battery management system (200) is misaligned. In addition, the battery management system (100) may transmit control information including a notification regarding the above communication status and information regarding angle adjustment between the light receiving unit (110) of the battery management system (100) and the light emitting unit (230) of the external battery management system (200). Through this, the battery management system (100) may provide an opportunity to readjust the battery management system (100) and the external battery management system (200).

[0054]

[0055] FIG. 5 is a flowchart for explaining a process of processing optical signals received from a plurality of optical sensors in a method for checking a communication status according to one embodiment.

[0056] Referring to FIG. 5, in step (310), the battery management system (100) according to one embodiment can obtain an average value of the intensity of the optical signals received from each of one or more optical sensors in step (340) after receiving an optical signal. Through this, unlike the case where the accuracy of converting to original data may be low due to noise, communication distance, external obstacles, etc. when using an optical signal received through a single optical sensor in the light receiving unit (110), the battery management system (100) can obtain data with higher conversion accuracy by restoring data by utilizing one average value of the intensity of the optical signals received from each of the optical sensors. The battery management system (100) can perform the operation in step (340) simultaneously with the step (320) of checking one or more optical sensors that received an optical signal in step (320) after receiving an optical signal in step (310) discussed in FIG. 3. Additionally, the battery management system (100) may perform the operation of step (340) before or after step (320), but is not limited to the specific case mentioned in the embodiment according to the present disclosure.

[0057] In step (320), the battery management system (100) according to one embodiment may analyze communication information based on an average value. At this time, the step of analyzing the communication information may include a step of converting the form of the received optical signal from an analog signal form to a digital signal form (analog to digital convert, ADC). Thereafter, the battery management system (100) may convert the optical signal in a digital signal form back into an analog signal form (digital to analog convert, DAC) before transmitting the optical signal to an external battery management system (200), and transmit the optical signal to the external battery management system (200).

[0058]

[0059] FIG. 6 illustrates a block diagram of a battery management system according to one embodiment.

[0060] Referring to FIG. 6, a battery management system (100) according to an embodiment may include a light receiving unit (110) that receives an optical signal having communication information transmitted from an external battery management system (200) through a plurality of optical sensors arranged in a symmetrical structure centered on a reference point, a light emitting unit (130) that transmits an optical signal to the external battery management system (200), and a control unit (120) that identifies one or more optical sensors among the plurality of optical sensors that have received the optical signal and checks the communication status with the external battery management system based on the identified result. In the battery management system (100) illustrated in FIG. 6, only components related to the present embodiment are illustrated. Therefore, it will be understood by those skilled in the art related to the present embodiment that other general-purpose components may be further included in addition to the components illustrated in FIG. 6.

[0061] In one embodiment, the light receiving unit (110) can receive an optical signal having communication information transmitted from an external battery management system through a plurality of optical sensors arranged in a symmetrical structure centered on a reference point. Each of the optical sensors included in the light receiving unit (110) can correspond to a photodiode, which is a semiconductor diode having a function such as a photodetector, for example, and the photodiode has a PN junction or PIN structure, so that when light with sufficient photon energy strikes the photodiode, photocurrent can be generated through electronic activity through the generation of mobile electrons and positively charged holes.

[0062] In one embodiment, the light emitting unit (130) can transmit an optical signal having communication information to an external battery management system (200). Similar to the light receiving unit (110) described above, the light emitting unit (130) can include one or more optical sensors corresponding to semiconductor diodes having a function such as a photodetector.

[0063] In one embodiment, the control unit (120) may be configured to check one or more optical sensors among a plurality of optical sensors that have received an optical signal, and to check the communication status with an external battery management system based on the check result. For example, if optical signals are received from all of the plurality of optical sensors, the control unit (120) may control the battery management system (100) to determine that the communication status between the battery management system and the external battery management system is normal. For example, if signals are received from one or more optical sensors less than the number of all optical sensors among the plurality of optical sensors, and the arrangement of one or more optical sensors is symmetrical around a reference point, the control unit (120) may control the battery management system (100) to determine that the communication status between the battery management system and the external battery management system is a poor signal strength state. For example, the control unit (120) may control the battery management system (100) to transmit control information including a notification regarding a communication status, wherein the control information may include information regarding adjustment of an optical signal intensity between the battery management system and an external battery management system and information regarding adjustment of a distance between the battery management system and the external battery management system. For example, the control unit (120) may control the battery management system (100) to determine that the communication status between the battery management system and the external battery management system is a poor signal intensity state when a signal is received from one or more optical sensors less than the number of all optical sensors among a plurality of optical sensors and the arrangement of one or more optical sensors is symmetrical around a reference point. For example, the control unit (120) may control the battery management system (100) to transmit control information including a notification regarding a communication status, wherein the control information may include information regarding adjustment of an optical signal intensity between the battery management system and an external battery management system and information regarding adjustment of a distance between the battery management system and the external battery management system.For example, if a signal is received from one or more of a plurality of optical sensors and the arrangement of one or more optical sensors is asymmetrical with respect to a reference point, the control unit (120) may control the battery management system (100) to determine that the communication status between the battery management system and an external battery management system is misaligned. For example, the control unit (120) may control the battery management system (100) to transmit control information including a notification regarding the communication status, wherein the control information may include information regarding angle adjustment between the light receiving unit of the battery management system and the light emitting unit of the external battery management system. In addition, the control unit (120) may control the battery management system (100) to obtain an average value for the intensities of the optical signals received from each of the one or more optical sensors and to analyze the communication information based on the average value. In this case, the control unit (120) may control the battery management system (100) to analyze the communication status through a step of converting the form of the optical signals from an analog signal form to a digital signal form.

[0064]

[0065] The battery management system (100) according to the above-described embodiments may include a memory for storing and executing program data, a permanent storage such as a disk drive, a communication port for communicating with an external device, a user interface device such as a touch panel, a key, a button, etc. Methods implemented as software modules or algorithms may be stored on a computer-readable recording medium as computer-readable codes or program commands executable on the control unit. Here, the computer-readable recording medium includes a magnetic storage medium (e.g., read-only memory (ROM), random-access memory (RAM), floppy disk, hard disk, etc.) and an optical reading medium (e.g., CD-ROM, DVD: Digital Versatile Disc)). The computer-readable recording medium may be distributed to computer systems connected to a network, so that the computer-readable code may be stored and executed in a distributed manner. The medium may be readable by a computer, stored in a memory, and executed by the control unit.

[0066]

[0067] The present embodiment may be represented by functional block configurations and various processing steps. These functional blocks may be implemented by various hardware and / or software configurations that perform specific functions. For example, the embodiment may employ direct circuit configurations such as memory, processing, logic, look-up tables, etc., which may perform various functions under the control of one or more microprocessors or other control devices. Similarly, the present embodiment may be implemented in a programming or scripting language such as C, C++, Java, assembler, etc., including various algorithms implemented as a combination of data structures, processes, routines, or other programming configurations. Functional aspects may be implemented as algorithms that execute on one or more processors. Furthermore, the present embodiment may employ conventional techniques for electronic configuration, signal processing, and / or data processing. Terms such as "mechanism," "element," "means," and "composition" can be used broadly and are not limited to mechanical or physical structures. These terms can also encompass a series of software routines, such as those associated with a processor.

[0068] The above-described embodiments are merely examples, and other embodiments may be implemented within the scope of the claims set forth below.

Claims

1. A method for checking the communication status of a battery management system communicating with an external battery management system, A step of receiving an optical signal having communication information transmitted from the external battery management system through a light receiving unit including a plurality of optical sensors arranged in a symmetrical structure centered on a reference point; A step of confirming one or more optical sensors among the plurality of optical sensors that have received the optical signal; and A step of checking the communication status with the external battery management system based on the above-mentioned confirmed result is included. How to check.

2. In paragraph 1, The steps for checking the above communication status are: If the optical signal is received from all of the above multiple optical sensors, Including a step of determining that the communication status between the battery management system and the external battery management system is normal. How to check.

3. In paragraph 1, The steps for checking the above communication status are: If a signal is received from one or more optical sensors less than the number of all optical sensors among the above plurality of optical sensors, and the arrangement of the one or more optical sensors is symmetrical around the reference point, Including a step of determining that the communication status between the battery management system and the external battery management system is a poor signal strength state. How to check.

4. In paragraph 3, Further comprising a step of transmitting control information including a notification regarding the above communication status, The above control information is, Information regarding adjustment of optical signal strength between the battery management system and the external battery management system and information regarding adjustment of distance between the battery management system and the external battery management system. How to check.

5. In paragraph 1, The steps for checking the above communication status are: When a signal is received from one or more of the above plurality of optical sensors, and the arrangement of the one or more optical sensors is asymmetrical with respect to the reference point, Including a step of determining that the communication status between the battery management system and the external battery management system is misaligned. How to check.

6. In paragraph 5, Further comprising a step of transmitting control information including a notification regarding the above communication status, The above control information is, Including information regarding angle adjustment between the light-receiving portion of the battery management system and the light-emitting portion of the external battery management system. How to check.

7. In paragraph 1, A step of obtaining an average value for the intensities of optical signals received from each of the one or more optical sensors; and Further comprising a step of analyzing the communication information based on the average value. How to check.

8. In paragraph 7, The step of analyzing the above communication information is: Comprising a step of converting the form of the above optical signals from an analog signal form to a digital signal form, How to check.

9. A computer-readable, non-transitory recording medium having recorded thereon a program for executing the method of any one of clauses 1 to 8 on a server.

10. In an electronic device performing a method of checking the communication status of a battery management system communicating with an external battery management system, A light receiving unit that receives an optical signal having communication information transmitted from the external battery management system through a plurality of optical sensors arranged in a symmetrical structure centered on a reference point; a light emitting unit for transmitting an optical signal to the external battery management system; and Identifying one or more of the optical sensors among the above plurality of optical sensors that have received the optical signal, A control unit including a control unit that checks the communication status with the external battery management system based on the above-mentioned confirmed results. Battery management system.

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