Battery bulging detection method, control system and electronic equipment

Abstract

The invention discloses a battery bulging detection method, a control system and electronic equipment, and the method comprises the steps: obtaining a test audio parameter in a sound cavity, and the test audio parameter is used for reflecting the size of a sound cavity space; and calculating the battery bulging coefficient of the built-in battery of the sound cavity according to the test audio parameters. According to the method, the battery bulging degree is reversely deduced by analyzing the test audio parameter change related to the volume change of the loudspeaker rear sound cavity, and the battery bulging condition is indirectly monitored, so that the influence caused by battery bulging is avoided.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of battery detection, in particular, to a battery bulging detection method, a control system and an electronic device. BACKGROUND

[0002] Soft package batteries are widely used in electronic devices, and are widely concerned due to their high energy density, no memory effect and other advantages. However, due to improper use or battery defects, the soft package battery may bulge, which will seriously reduce the performance of the battery, and if the original charging strategy is maintained, the battery bulging may be aggravated, and even safety hazards may be caused. At the same time, the existing charger cannot effectively detect the battery bulging phenomenon, and cannot realize self-adaptive adjustment of the charging current and the full charging voltage to achieve the purpose of prolonging the battery life. SUMMARY

[0003] In order to solve the above technical problems, the present application provides a battery bulging detection method, a control system and an electronic device. A method for deducing the degree of battery bulging by analyzing the change of test audio parameters related to the change of the volume of the rear sound cavity of the loudspeaker is disclosed. The system relies on the principle that the change of the volume of the rear sound cavity of the loudspeaker will affect the audio output characteristics of the device. By monitoring the change of these test audio parameters, the system can indirectly monitor the battery bulging condition and timely remind the user to take corresponding measures.

[0004] Specifically, the technical solutions of the present application are as follows:

[0005] In the first aspect, the present application discloses a battery bulging detection method, comprising:

[0006] Obtaining a test audio parameter in an acoustic cavity, the test audio parameter being used to reflect the size of the acoustic cavity space;

[0007] Calculating a battery bulging coefficient of a built-in battery of the acoustic cavity by the test audio parameter.

[0008] In some embodiments, the step of obtaining the test audio parameter in the acoustic cavity comprises the following steps:

[0009] Collecting an audio test signal emitted by a sound emitting device by using a sound collecting device;

[0010] Analyzing the test audio parameter of the audio test signal, including frequency response, loudness and total harmonic distortion.

[0011] In some embodiments, the step of calculating the battery bulging coefficient of the built-in battery of the acoustic cavity by the test audio parameter comprises: substituting the test audio parameter into a trained battery detection model to output the battery bulging coefficient.

[0012] In some embodiments, before substituting the test audio parameter into the trained battery detection model, the method further comprises the following steps:

[0013] establishing the battery detection model;

[0014] training the battery detection model using historical batteries with different swelling coefficients and corresponding measured test audio parameters as training set data.

[0015] In some embodiments, the battery swelling detection method further comprises the following steps:

[0016] automatically adjusting the charging strategy of the built-in battery according to the current battery swelling coefficient.

[0017] In a second aspect, the application also discloses a control system, comprising:

[0018] an audio acquisition module configured to acquire a test audio parameter in an acoustic cavity, the test audio parameter being used to reflect the size of the acoustic cavity;

[0019] an expansion calculation module configured to calculate a battery swelling coefficient of a battery built in the acoustic cavity by using the test audio parameter.

[0020] In some embodiments, the audio acquisition module is further configured to collect an audio test signal emitted by a sound emitting device using a sound collecting device; and analyze the test audio parameter of the audio test signal, including frequency response, loudness, and total harmonic distortion.

[0021] The expansion calculation module is further configured to substitute the test audio parameter into a trained battery detection model, and output the battery swelling coefficient.

[0022] In some embodiments, the control system further comprises a model construction module configured to establish a battery detection model; and train the battery detection model using historical batteries with different swelling coefficients and corresponding measured test audio parameters as training set data.

[0023] In some embodiments, the control system further comprises a charging adjustment module configured to automatically adjust the charging strategy of the built-in battery according to the current battery swelling coefficient.

[0024] In a third aspect, the application also discloses an electronic device, comprising at least one control system according to any one of the above embodiments; the electronic device further comprises a built-in battery, a sound emitting device, and a sound collecting device; and the shell of the electronic device is closed to form an acoustic cavity.

[0025] Compared with the prior art, the application has at least one of the following beneficial effects:

[0026] 1、The method relies on the principle that the change of the volume of the speaker's rear cavity will affect the audio output characteristics of the device. By monitoring the changes in these test audio parameters, the system can indirectly monitor the battery swelling. With existing audio playback and collection hardware, battery detection can be completed without additional hardware, low cost, easy to implement.

[0027] 2、The battery swelling detection method disclosed in the present application can provide early warning before the battery swelling causes damage to the device, increasing the time window for user processing and maintenance, and improving the safety of device use. By continuously monitoring the battery state, the user's trust and satisfaction with the product are enhanced, and the user experience is improved. Once the battery swelling is detected, the system can automatically adjust the charging strategy, reduce the user's burden, and avoid manual intervention. BRIEF DESCRIPTION OF DRAWINGS

[0028] The above characteristics, technical features, advantages and implementation methods of the present application will be further described in the following preferred embodiments in a clear and understandable manner, combined with the accompanying drawings.

[0029] Figure 1 A typical structure of an electronic device provided in an embodiment of the present application;

[0030] Figure 2 A step flowchart of an embodiment of the battery swelling detection method of the present application;

[0031] Figure 3 A step flowchart of another embodiment of the battery swelling detection method of the present application;

[0032] Figure 4 A step flowchart of another embodiment of the battery swelling detection method of the present application;

[0033] Figure 5 A structure block diagram of an embodiment of the control system of the present application. DETAILED DESCRIPTION

[0034] In the following description, specific details are set forth in order to provide a thorough understanding of embodiments of the present application. However, persons skilled in the art will understand that embodiments of the present application can be practiced without these specific details. In other instances, well-known systems, devices, circuits, and methods have not been described in detail so as not to obscure the description of the present application with unnecessary detail.

[0035] It should be understood that the term "comprising" as used in the specification and in the claims indicates the presence of the recited features, integers, steps, operations, elements, and / or components but does not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and / or groups thereof.

[0036] In the interest of clarity, not all of the routine features of the implementations described herein are shown or described. It will of course be appreciated that in the development of any such actual implementation, numerous implementation-specific decisions will be made in order to achieve the design criteria for the implementation in question. Moreover, it will be appreciated that such a development effort might be complex and time-consuming, but would nevertheless be a routine undertaking for those of ordinary skill in the art having the benefit of this disclosure.

[0037] It will also be appreciated that, where the description and the claims refer to lists or groups of items, that the terms "comprises" and "comprising" shall not be interpreted as excluding the presence of one or more other items not expressly mentioned or even the presence of additional or

[0038] In this document, the terms "mounting", "connected", "connecting" or "connection" should be construed broadly according to a person skilled in the art and can be understood as fixedly connected, detachably connected, or integrally connected; can be understood as mechanically connected, or electrically connected; can be understood as directly connected, or indirectly connected via an intermediate medium; or can be understood as internal communication between two elements. A person skilled in the art can understand the specific meaning of the above terms in the present application according to the specific circumstances.

[0039] In a particular implementation, the terminal device described in the embodiments of the present application includes, but is not limited to, other portable devices such as mobile phones, laptop computers, home teaching machines or tablet computers with touch-sensitive surfaces (for example, touch screen displays and / or touchpads). It should also be understood that in some embodiments, the terminal device is not a portable communication device, but a desktop computer with a touch-sensitive surface (for example: a touch screen display and / or a touchpad).

[0040] In addition, in the description of the present application, the terms "first", "second", and the like are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0041] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the specific embodiments of the present application will be described below with reference to the drawings. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can obtain other drawings and other embodiments according to these drawings without creating any creative labor.

[0042] Pouch batteries, with their unique flexible packaging and compact design, have secured a significant place in the electronics industry. They not only offer high energy density, providing longer battery life, but also, due to their memory effect-free nature, allow users to charge and discharge them freely without worrying about performance loss. This flexibility and convenience make pouch batteries extremely popular in smartphones, laptops, tablets, and wearable devices.

[0043] However, this advantage of pouch batteries also hides some challenges. Batteries may bulge during use due to various reasons, such as overcharging, overheating, internal short circuits, or chemical instability of the battery materials. Bulging not only significantly reduces battery performance and usable capacity but may also damage the battery's internal structure, affecting its overall mechanical stability.

[0044] Even more worryingly, if traditional charging strategies continue without adjustments, the bulging phenomenon may worsen. This could not only shorten battery lifespan but also lead to safety issues such as overheating, leakage, or even fire. Therefore, the detection and prevention of battery bulging becomes particularly important.

[0045] Currently, most chargers on the market lack effective detection mechanisms for battery bulging. They typically operate according to a fixed charging procedure and cannot adaptively adjust based on the actual condition of the battery. This means that when a battery bulges or exhibits other abnormal conditions, the charger cannot promptly identify and take measures, such as adjusting the charging current or full-charge voltage, to slow down the battery degradation process and extend its lifespan.

[0046] Common electronic devices, such as watches, translator pens, earphone charging cases, mobile phones, tablets, and computers, all have this structure: the electronic device houses a battery, a sound-producing device such as a speaker, and a sound-receiving device such as a microphone, with a sound cavity formed by the device's casing. (Reference) Figure 1 A typical structure of an electronic device is given, in Figure 1 Based on the electronic device shown, this application provides an embodiment of a battery swelling detection method, as detailed in the attached specification. Figure 2 It includes the following steps:

[0047] S100, acquire test audio parameters inside the acoustic cavity, the test audio parameters being used to reflect the size of the acoustic cavity space.

[0048] S200, the battery swelling coefficient of the built-in battery of the sound cavity is calculated based on the test audio parameters.

[0049] In one embodiment of this example, refer to the appendix to the specification. Figure 3As shown, step S100 specifically includes the following sub-steps: S110, acquiring the audio test signal emitted by the sound-emitting device using a sound receiving device; S120, analyzing the test audio parameters of the audio test signal.

[0050] Even better, the control system can control the sound-producing device (speaker) to play test audio at regular or irregular intervals. Then, the built-in sound-receiving device (microphone) is used to capture the audio test signal emitted by the speaker and analyze its frequency response, loudness, total harmonic distortion and other parameters.

[0051] Step S200: Substitute the test audio parameters into the trained battery detection model and output the battery swelling coefficient.

[0052] Even better, to achieve continuous battery status monitoring, the sound device can be set to play test audio at regular intervals.

[0053] This application provides another embodiment of a battery swelling detection method, based on one embodiment of the above method, with reference to the appended specification. Figure 4 As shown, before substituting the test audio parameters into the trained battery detection model, the following steps are also included:

[0054] S010, Establish the battery detection model.

[0055] S020, the battery detection model is trained using historically collected data of batteries with different bulging coefficients and corresponding measured test audio parameters as training set data.

[0056] Specifically, after assembling batteries with different degrees of bulging, test audio parameters such as frequency response, loudness, and total harmonic distortion are measured. Using statistical and acoustic principles, a battery testing model is established to establish the conversion relationship between the change in the volume of the acoustic cavity and the test audio parameters.

[0057] Another embodiment of the battery swelling detection method of this application, based on one embodiment of the above method, further includes the following steps:

[0058] The built-in battery is evaluated based on the battery swelling coefficient output by the model.

[0059] The system uses an interactive interface to notify users of the extent of the built-in battery swelling and provides safety warnings.

[0060] Specifically, it is determined whether the battery swelling coefficient is within a preset threshold range. If so, it is determined that the built-in battery has swollen to a corresponding degree. More preferably, different swelling degrees can be set, such as: mild swelling, moderate swelling, severe swelling, etc.

[0061] Once a battery swelling is detected, the system will notify the user of the degree of swelling, the best solution, and safety tips through the interface, such as: "The current battery is slightly swollen. Please stop operating the phone to allow the battery to cool down" or "The current battery is severely swollen, posing a safety risk. Please turn off the phone and send it for repair."

[0062] In other embodiments of this example, the test audio parameters are substituted into a trained battery detection model, and the battery detection model directly outputs an evaluation result of the built-in battery. By comparing the changes in the test audio parameters with a preset threshold, the battery detection model can automatically determine whether the battery has swelled and assess the degree of swelling.

[0063] Another embodiment of the battery swelling detection method of this application, based on any of the above embodiments, further includes: automatically adjusting the charging strategy of the built-in battery according to the current swelling degree of the built-in battery.

[0064] When the system detects battery swelling while it is charging, it can automatically adjust the charging strategy to prevent further swelling. For example, it can reduce the charging current or stop charging altogether to avoid safety incidents and extend the lifespan of the equipment.

[0065] Based on the same technical concept, this application also discloses a control system that can be used to implement any of the above-mentioned battery swelling detection methods. Specifically, an embodiment of the control system of this application is shown in the appendix to the specification. Figure 5 As shown, it includes:

[0066] The audio acquisition module is used to acquire test audio parameters within the acoustic cavity, which reflect the size of the acoustic cavity space.

[0067] The expansion calculation module is used to calculate the battery expansion coefficient of the battery built into the acoustic cavity based on the test audio parameters.

[0068] In one embodiment of this example, the audio acquisition module is further configured to acquire an audio test signal emitted by the sound-producing device using a sound-receiving device; and analyze the test audio parameters of the audio test signal, including frequency response, loudness, and total harmonic distortion.

[0069] The expansion calculation module is also used to input the test audio parameters into the trained battery detection model and output the battery bulging coefficient.

[0070] In other embodiments of this example, the control system further includes a sound control module for controlling the sound-producing device (speaker) to play test audio at regular or irregular intervals. The built-in microphone is then used to capture the audio test signal emitted by the speaker, and its frequency response, loudness, total harmonic distortion, and other parameters are analyzed.

[0071] Even better, to achieve continuous battery status monitoring, the sound device can be set to play test audio at regular intervals.

[0072] Another embodiment of the control system provided in this application, based on the above system embodiment, further includes: a model building module, used to establish the battery detection model. The battery detection model is trained using historically collected data of batteries with different bulging coefficients and corresponding measured test audio parameters as training set data.

[0073] Specifically, the constructed model is used to measure test audio parameters such as frequency response, loudness, and total harmonic distortion after assembling batteries with different degrees of bulging. Using statistical and acoustic principles, a battery testing model is established to establish the conversion relationship between the change in the volume of the acoustic cavity and the test audio parameters.

[0074] Another embodiment of the control system provided in this application, based on the above system embodiment, further includes: an evaluation module, used to evaluate the built-in battery based on the battery swelling coefficient output by the model.

[0075] The notification module is used to notify the user of the degree of swelling of the built-in battery and provide safety reminders through an interactive interface.

[0076] Specifically, it is determined whether the battery swelling coefficient is within a preset threshold range. If so, it is determined that the built-in battery has swollen to a corresponding degree. More preferably, different swelling degrees can be set, such as: mild swelling, moderate swelling, severe swelling, etc.

[0077] Once a battery swelling is detected, the system will notify the user of the degree of swelling, the best solution, and safety tips through the interface, such as: "The current battery is slightly swollen. Please stop operating the phone to allow the battery to cool down" or "The current battery is severely swollen, posing a safety risk. Please turn off the phone and send it for repair."

[0078] Another embodiment of the control system provided in this application, based on the above system embodiment, further includes a charging adjustment module that automatically adjusts the charging strategy of the built-in battery according to the current battery swelling coefficient. Specifically, when the system detects battery swelling while charging, it can automatically adjust the charging strategy to prevent further swelling. For example, it can adjust the charging current to reduce or stop battery charging to avoid safety accidents and extend the service life of the equipment.

[0079] Based on the same concept, this application also discloses an electronic device, which includes at least one control system as described in any of the above embodiments; the electronic device has a battery, a sound-producing device such as a speaker, and a sound-receiving device such as a microphone disposed within the device casing, forming a sound cavity. Specifically, common electronic devices, such as watches, translator pens, earphone charging cases, mobile phones, tablets, and computers, all have this structure.

[0080] The battery swelling detection method, control system, and electronic device of this application have the same technical concept, and the technical details of the embodiments of the three are applicable to each other. To reduce repetition, they will not be described again here.

[0081] Those skilled in the art will clearly understand that, for the sake of convenience and brevity, the above-described division of program modules is merely an example. In practical applications, the above functions can be assigned to different program modules as needed, that is, the internal structure of the device can be divided into different program units or modules to complete all or part of the functions described above. The program modules in the embodiments can be integrated into one processing unit, or each unit can exist physically separately, or two or more units can be integrated into one processing unit. The integrated unit can be implemented in hardware or as a software program unit. Furthermore, the specific names of the program modules are only for easy differentiation and are not intended to limit the scope of protection of this application.

[0082] In the above embodiments, the descriptions of each embodiment have different focuses. For parts that are not described in detail or recorded in a certain embodiment, please refer to the relevant descriptions of other embodiments.

[0083] Those skilled in the art will recognize that the units and algorithm steps of the various examples described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are implemented in hardware or software depends on the specific application and design constraints of the technical solution. Those skilled in the art can use different methods to implement the described functions for each specific application, but such implementation should not be considered beyond the scope of this application.

[0084] In the embodiments provided in this application, it should be understood that the disclosed apparatus and methods can be implemented in other ways. For example, the apparatus embodiments described above are merely illustrative; the division of modules or units is merely a logical functional division, and in actual implementation, there may be other division methods. For example, multiple units or components may be combined or integrated into another system, or some features may be ignored or not executed. Furthermore, the displayed or discussed mutual coupling or direct coupling or communication connection may be through some interface; the indirect coupling or communication connection of apparatus or units may be electrical, mechanical, or other forms.

[0085] The units described as separate components may or may not be physically separate. The components shown as units may or may not be physical units; they may be located in one place or distributed across multiple network units. Some or all of the units can be selected to achieve the purpose of this embodiment, depending on actual needs.

[0086] Furthermore, the functional units in the various embodiments of this application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit. The integrated unit described above can be implemented in hardware or as a software functional unit.

[0087] Although preferred embodiments of this application have been described, those skilled in the art, upon learning the basic inventive concept, can make other changes and modifications to these embodiments. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments as well as all changes and modifications falling within the scope of this application.

[0088] Obviously, those skilled in the art can make various modifications and variations to this application without departing from the spirit and scope of this application. Therefore, if such modifications and variations fall within the scope of the claims of this application and their equivalents, this application also intends to include such modifications and variations.

Claims

1. A method for detecting battery bulging, characterized in that, include: Acquire test audio parameters within the acoustic cavity, the test audio parameters being used to reflect the size of the acoustic cavity space; The battery swelling coefficient of the built-in battery in the acoustic cavity is calculated based on the test audio parameters.

2. The battery bulging detection method as described in claim 1, characterized in that, The process of obtaining test audio parameters within the acoustic cavity includes the following steps: The audio test signal emitted by the sound-producing device is collected using a sound-receiving device; Analyze the test audio parameters of the audio test signal, including frequency response, loudness, and total harmonic distortion.

3. The battery swelling detection method as described in claim 1, characterized in that, The method of calculating the battery swelling coefficient of the built-in battery of the acoustic cavity through the test audio parameters includes: substituting the test audio parameters into a trained battery detection model and outputting the battery swelling coefficient.

4. The battery bulging detection method as described in claim 3, characterized in that, Before substituting the test audio parameters into the trained battery detection model, the following steps are also included: Establish the battery detection model; The battery detection model is trained using historically collected data of batteries with different bulging coefficients and corresponding measured test audio parameters.

5. The battery swelling detection method as described in claim 1, characterized in that, It also includes the following steps: The charging strategy of the built-in battery is automatically adjusted based on the current battery swelling coefficient.

6. A control system, characterized in that, include: An audio acquisition module is used to acquire test audio parameters within the acoustic cavity, the test audio parameters being used to reflect the size of the acoustic cavity space; The expansion calculation module is used to calculate the battery expansion coefficient of the battery built into the acoustic cavity based on the test audio parameters.

7. A control system as described in claim 6, characterized in that, The audio acquisition module is also used to acquire audio test signals emitted by the sound-producing device using a sound-receiving device; and to analyze the test audio parameters of the audio test signals, including frequency response, loudness, and total harmonic distortion. The expansion calculation module is also used to input the test audio parameters into the trained battery detection model and output the battery bulging coefficient.

8. A control system as described in claim 7, characterized in that, It also includes: a model building module for establishing a battery detection model; and training the battery detection model using historically collected batteries with different bulging coefficients and the corresponding measured test audio parameters as training set data.

9. A control system as described in claim 6, characterized in that, It also includes a charging adjustment module that automatically adjusts the charging strategy of the built-in battery based on the current battery swelling coefficient.

10. An electronic device, characterized in that, The electronic device includes at least one of the control systems described in any one of claims 6-9; the electronic device further includes: a built-in battery, a sound-producing device, and a sound-receiving device; the housing of the electronic device is closed to form a sound cavity.

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