WO2023184689A1 - Appareil, procédé et système de détection de gonflement de batterie, et dispositif électronique - Google Patents

Appareil, procédé et système de détection de gonflement de batterie, et dispositif électronique Download PDF

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Publication number
WO2023184689A1
WO2023184689A1 PCT/CN2022/095829 CN2022095829W WO2023184689A1 WO 2023184689 A1 WO2023184689 A1 WO 2023184689A1 CN 2022095829 W CN2022095829 W CN 2022095829W WO 2023184689 A1 WO2023184689 A1 WO 2023184689A1
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WIPO (PCT)
Prior art keywords
battery
sensing
degree
fabric
fabric sensor
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PCT/CN2022/095829
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English (en)
Chinese (zh)
Inventor
余明单
于新亮
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歌尔股份有限公司
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Publication of WO2023184689A1 publication Critical patent/WO2023184689A1/fr

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/364—Battery terminal connectors with integrated measuring arrangements
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/385—Arrangements for measuring battery or accumulator variables
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • the present application relates to the field of safety protection of electronic equipment, and in particular to a battery bulge detection device, electronic equipment, detection method and system.
  • Battery bulging is a typical fault. Specifically, during the use of the battery, when a large amount of gas is generated in the battery cell, the bulging phenomenon will occur, which can easily cause battery leakage and increase the risk of battery and electronics where the battery is located. The probability of the pen exploding or spontaneously igniting brings huge hidden dangers to personal and property safety.
  • the purpose of this application is to provide a battery bulge detection device, electronic equipment, detection method and system, which can detect the bulge degree of the battery, understand the current bulge degree of the battery in time, and then make corresponding responses based on the current bulge degree. It is a defensive measure to prevent safety accidents caused by battery bulging. When it is applied to electronic equipment, it further improves the safety of electronic equipment.
  • this application provides a battery bulge detection device, which includes:
  • a fabric sensor which is attached to the surface of the battery and is used to deform when the battery bulges
  • a processing device connected to the fabric sensor, is used to obtain the bulging degree of the battery based on the deformation degree of the fabric sensor.
  • the fabric sensor includes:
  • Sensing yarns, and at least two of the sensing yarns are arranged to cross to form at least one intersection point, and the intersection point is a collection point for generating deformation when the battery bulges;
  • the processing device is connected to the intersection via two sensing yarns forming the intersection.
  • the first sensing yarn forming the intersection point is arranged along the first direction
  • the second sensing yarn forming the intersection point is arranged along the second direction
  • the first sensing yarn is in contact with the intersection point.
  • the second sensing yarns intersect to form one of the intersection points.
  • the first direction and the second direction are perpendicular to each other.
  • the plurality of first sensing yarns are parallel to each other
  • the plurality of second sensing yarns are parallel to each other
  • every two adjacent ones are parallel to each other.
  • the distance between each first sensing yarn and the distance between every two adjacent second sensing yarns is not less than the preset distance.
  • the first sensing yarn and the second sensing yarn are wound around each other in a spiral structure to form a plurality of intersection points.
  • the number of fabric sensors is multiple;
  • M fabric sensors are arranged along the third direction, N fabric sensors are arranged along the fourth direction, and the distance between each two adjacent fabric sensors is not less than the preset distance;
  • M and N are both positive integers, and the sum of M and N is equal to the total number of fabric sensors.
  • it also includes:
  • An alarm device is connected to the processing device and is used to send an alarm message when the bulging degree of the battery is not within a preset range.
  • the sensing yarn includes:
  • the resistance sensing component covers the surface of the conductive core wire.
  • the present application also provides an electronic device, including a battery and the above-mentioned battery bulge detection device.
  • the electronic device is VR glasses or speakers.
  • the present application also provides a battery bulge detection method, which is applied to the above-mentioned battery bulge detection device and the above-mentioned electronic equipment.
  • the method includes:
  • the bulging degree of the battery is obtained according to the deformation degree of the fabric sensor
  • the battery is controlled to stop being used.
  • a plurality of fabric sensors are provided on the surface of the battery and are arranged at different positions on the surface of the battery;
  • the method further includes:
  • the method further includes:
  • the degree of deformation of the fabric sensor is linearly related to the resistance of the fabric sensor
  • the resistance value of the fabric sensor is obtained, and the bulging degree of the battery is obtained based on the resistance value.
  • this application also provides a battery bulge detection system, which is applied to the above-mentioned battery bulge detection device and the above-mentioned electronic equipment.
  • the system includes:
  • the acquisition unit is used to acquire the deformation degree of the fabric sensor
  • a bulge determination unit used to obtain the bulge degree of the battery according to the deformation degree of the fabric sensor
  • a battery control unit is used to control the battery to stop being used when the bulging degree is not within a preset range.
  • the detection device includes a fabric sensor that is attached to the surface of the battery and a processing device.
  • the fabric sensor will be squeezed and deformed when the battery bulges.
  • the processing device detects the degree of deformation of the fabric sensor, and can then detect the battery's condition.
  • This application also provides a method and system for detecting electronic equipment and battery bulges, which have the same beneficial effects as the above-described method for detecting battery bulges.
  • Figure 1 is a structural block diagram of a battery bulge detection device provided by this application.
  • Figure 2 is a schematic diagram of a sensing yarn provided by this application.
  • Figure 3 is a schematic diagram of a sensing yarn crossing provided by this application.
  • Figure 4 is a schematic diagram of the layout of the first fabric sensor provided by this application.
  • FIG. 5 is a schematic layout diagram of the second fabric sensor provided by this application.
  • Figure 6 is a schematic diagram of another sensing yarn crossing provided by this application.
  • FIG. 7 is a schematic diagram of the layout of the third fabric sensor provided by this application.
  • Figure 8 is a schematic diagram of the layout of the fourth fabric sensor provided by this application.
  • Figure 9 is a schematic flow chart of a battery bulge detection method provided by this application.
  • Figure 10 is a structural block diagram of a battery bulge detection system provided by this application.
  • the core of this application is to provide a battery bulge detection device, electronic equipment, detection method and system, which can detect the bulge degree of the battery, understand the current bulge degree of the battery in time, and then make corresponding responses based on the current bulge degree. It is a defensive measure to prevent safety accidents caused by battery bulging. When it is applied to electronic equipment, it further improves the safety of electronic equipment.
  • Figure 1 is a structural block diagram of a battery bulge detection device provided by this application.
  • the device includes:
  • the fabric sensor 11 is attached to the surface of the battery and is used to deform when the battery bulges;
  • the processing device 12 is connected to the fabric sensor 11 and is used to obtain the bulging degree of the battery based on the deformation degree of the fabric sensor 11 .
  • the fabric sensor 11 is used to detect the deformation degree of the battery surface.
  • the fabric sensor 11 itself has elasticity. When it is attached to the battery surface, the fabric sensor 11 will also deform when the battery bulges.
  • the processing device 12 detects the degree of deformation of the fabric sensor 11, and uses the deformation of the fabric sensor 11 to The degree of bulging of the battery is determined. Specifically, when the bulging degree of the battery reaches a preset level, it is determined that there is a risk of explosion of the battery. At this time, it poses a threat to the safety of electronic equipment and the safety of users using electronic equipment. At this time, you can Control battery stops, such as stopping charging, to minimize the risk of explosion.
  • the battery is generally a rectangular parallelepiped structure.
  • the battery is usually fixed on the battery holder through double-sided tape.
  • the side that is pasted in the length and width direction is called the adhesive side, and the other side in the length and width direction is called the non-adhesive side.
  • the fabric sensor 11 is attached to the non-adhesive surface of the battery to sense the bulge of the battery.
  • the processing device 12 collects the deformation degree of the fabric sensor 11 to determine the battery's bulge. The degree of bulging.
  • the processing device 12 may be, but is not limited to, a single chip microcomputer, an MCU (Microcontroller Unit) microcontroller, an ARM (Advanced RISC Machines) processor, an embedded processor, a DSP (Digital Signal Process, digital signal processing) or an FPGA. (Field Programmable Gate Array, field programmable logic gate array), etc.
  • the detection device provided by this application can detect the degree of battery bulge, and can promptly understand the current degree of battery bulge, and then make corresponding defensive measures based on the current degree of bulge to prevent safety accidents caused by battery bulge. , when applied to electronic equipment, the safety of electronic equipment is further improved.
  • the fabric sensor 11 includes:
  • Sensing yarns, and at least two sensing yarns are arranged to cross to form at least one intersection point, and the intersection point is a collection point used to generate deformation when the battery bulges;
  • the processing device 12 is connected to the intersection via two sensing yarns forming the intersection.
  • the fabric sensor 11 includes at least two sensing yarns, wherein the sensing yarns are pressure sensing yarns, and between the two yarns The pressure can be collected at the intersection point. Specifically, when the fabric sensor 11 is in contact with the surface of the battery, if a bulge occurs on the surface of the battery, the two sensing yarns at the intersection will squeeze each other, and deformation will occur at the intersection. At this time, the processing device 12 Specifically, the deformation degree at the intersection of the two yarn sensing yarns is detected to obtain the bulging degree of the battery.
  • the sensing yarn includes:
  • the resistance sensing component covers the surface of the conductive core wire.
  • This embodiment aims to provide a specific implementation of a sensing yarn, in which the sensing yarn may, but is not limited to, include a conductive core wire and a resistance sensing component.
  • the sensing yarn may, but is not limited to, include a conductive core wire and a resistance sensing component.
  • Figure 2 is a schematic diagram of a sensing yarn provided by the present application.
  • the sensing yarn includes a conductive core wire and a resistance sensing component, the resistance value at the intersection can be measured to measure the deformation of the two sensing yarns.
  • the specific method of measuring the resistance at the intersection can be: connect two sensing yarns at the intersection, one end of one sensing yarn is connected to the low-voltage power supply through a voltage dividing resistor, and the other sensing yarn is connected to the low-voltage power supply through a voltage dividing resistor. One end of the sensing yarn is grounded. At this time, the two sensing yarns, the voltage dividing resistor and the low-voltage power supply form a voltage dividing circuit.
  • the cross By clicking on the resistance value, the deformation of the two sensing yarns can be measured, and the bulging condition of the battery can be measured.
  • the low-voltage power supply here can also be replaced by a constant current source, etc., and this application is no longer limited here.
  • the number of fabric sensors 11 is multiple, and they are respectively arranged at different positions on the battery surface.
  • a plurality of fabric sensors 11 are provided at different positions on the battery surface.
  • the processing device 12 is performing a test on the deformation degree of the fabric sensors 11 During measurement, if a large deformation of a certain fabric sensor 11 is detected, the position of the fabric sensor 11 can also be obtained to obtain the position of the battery bulge, which facilitates the staff to track the battery condition and facilitate follow-up. Carry out maintenance and other work.
  • the first sensing yarn 31 forming the intersection point is arranged along the first direction
  • the second sensing yarn 32 forming the intersection point is arranged along the second direction
  • the first sensing yarn 31 Intersecting with the second sensing yarn 32 forms an intersection point
  • This embodiment aims to provide a specific implementation of the intersection formed by two sensing yarns, in which the two yarns forming the intersection are arranged in different directions, and the first sensing yarn 31 and the second sensing yarn There is an intersection point between the sensing yarns 32, and this intersection point serves as the collection point of the fabric sensor 11.
  • first direction and the second direction are perpendicular to each other.
  • first direction and the second direction can be arranged vertically, and the angle between the first direction and the second direction can also be a preset angle.
  • This application is no longer limited here, as long as the first yarn and the second yarn satisfy There is only one intersection between the lines.
  • the plurality of first sensing yarns 31 are parallel to each other
  • the plurality of second sensing yarns 32 are parallel to each other, and each phase The distance between two adjacent first sensing yarns 31 and the distance between every two adjacent second sensing yarns 32 are not less than the preset distance.
  • Figure 3 is a schematic diagram of a sensing yarn intersection provided by this application
  • Figure 4 is a schematic layout diagram of the first fabric sensor provided by this application
  • Figure 5 is a second fabric sensor provided by this application. Layout diagram.
  • the plurality of transverse sensing yarns are the first sensing yarns 31, and the plurality of vertical sensing yarns are the second sensing yarns 32. It can be seen that the plurality of first sensing yarns 31 are parallel to each other, multiple second sensing yarns 32 are parallel to each other, and there is a certain distance between every two adjacent sensing yarns. Specifically, the distance is not less than the preset distance, thereby ensuring There is only one intersection point between the first sensing yarn 31 and the second sensing yarn 32 .
  • Figures 4 and 5 In specific applications, reference can be made to Figures 4 and 5.
  • the first sensing yarns 31 are arranged in rows, and the second sensing yarns 32 are arranged in columns.
  • the sensing yarn 31 is parallel to one side of the battery, and the second sensing yarn 32 is parallel to the other side of the battery and perpendicular to the first sensing yarn 31.
  • each intersection serves as a point sensor.
  • multiple sensing yarns can be embedded into the woven cloth.
  • the first sensing yarn 31 can be arranged diagonally toward the battery side, and the angle of inclination is not limited.
  • the layout is that the first sensing yarn 31 is in a left diagonal pattern, and the second sensing yarn 32 is in a right diagonal pattern. . Similarly, each intersection serves as a point sensor. In the weaving method, multiple sensing yarns can be embedded into the woven fabric.
  • the sensing yarn is a specific implementation of the above-mentioned conductive core wire and resistance sensing component
  • the polarities connected to the plurality of first sensing yarns 31 are the same, for example, they are all corresponding to their respective partial voltages.
  • One end of the voltage dividing resistor in the circuit is connected, and the other end of the voltage dividing resistor is connected to a low-voltage power supply or a constant current source (it can also be understood that the first sensing yarn 31 is connected to the positive electrode).
  • the plurality of second sensing yarns 32 are connected with the same polarity.
  • the second sensing yarns 32 are all grounded (can also be understood as the second sensing yarns 32 are connected to the negative pole). Then, through the connection relationship of each connection and the measured resistance value, it can be determined which intersection point causes the deformation, that is, where the bulge occurs in the battery.
  • the method in this embodiment can realize the function of measuring multiple positions on the battery surface, and the implementation method is simple and reliable.
  • the first sensing yarn 31 and the second sensing yarn 32 are wound around each other in a spiral structure to form multiple intersection points.
  • This embodiment aims to provide another specific implementation of the intersection formed by two sensing yarns.
  • Figure 6 is a schematic diagram of another sensing yarn intersection provided in this application.
  • the two yarns forming the intersection are arranged in a cross spiral along the same direction.
  • the first sensing yarn 31 The whole body after being wound with the second sensing yarn 32 is a fabric sensor 11.
  • the density of the first sensing yarn 31 and the second sensing yarn 32 being wound is not limited.
  • the sensing yarn is specifically implemented as a conductive core wire and a resistance sensing component
  • the first sensing yarn 31 and the second sensing yarn 32 are connected to the positive electrode and the negative electrode.
  • the resistance value of the contact part between 31 and the second sensing yarn 32 is measured to obtain the bulging degree of the battery.
  • M fabric sensors 11 are arranged along the third direction, N fabric sensors 11 are arranged along the fourth direction, and the distance between each two adjacent fabric sensors 11 is not less than the preset distance;
  • Both M and N are positive integers, and the sum of M and N is equal to the total number of fabric sensors 11 .
  • each fabric sensor 11 includes a first sensing yarn 31 and a second sensing yarn 32 , and the intersection point formed between the two is a winding arrangement.
  • the arrangement method in practical applications can refer to Figures 7 and 8.
  • Figure 7 is a schematic diagram of the layout of the third fabric sensor provided by this application
  • Figure 8 is a schematic diagram of the layout of the fourth fabric sensor provided by this application.
  • the winding fabric sensor 11 is arranged parallel to the edge of the battery, with one part along the third direction and the other part along the fourth direction.
  • the third direction can be perpendicular to the fourth direction.
  • each row or column serves as a separate
  • the fabric sensor 11 is used to obtain the battery bulge situation at the corresponding position.
  • the fabric sensor 11 is arranged obliquely to the edge of the battery, and the oblique angle is not limited. It can be arranged as a part left obliquely and the other part right obliquely.
  • it also includes:
  • the alarm device is connected to the processing device 12 and is used to send an alarm message when the bulging degree of the battery is not within a preset range.
  • an alarm device is also set up.
  • the processing device 12 detects that the bulge degree of the battery is not within the preset range, it is determined that the battery has a safety risk, and an alarm is issued through the alarm device.
  • the alarm information reminds the user so that the user can promptly replace or repair the battery based on this information, which improves the safety of the battery during use.
  • the present application also provides an electronic device, including a battery and the above-mentioned battery bulge detection device.
  • the electronic device is VR (Virtual Reality, virtual reality) glasses or speakers.
  • the battery bulge detection device described in the above embodiment can be installed in any electronic device including a battery, such as VR glasses or speakers.
  • the fabric sensor 11 can be, but is not limited to, It is arranged between the battery and the casing, and is in contact with both the battery surface and the casing surface. At this time, when the battery bulges, due to the limited space between the battery surface and the casing surface, the deformation amount produced by the fabric sensor 11 is relatively large. Easier to measure.
  • Figure 9 is a schematic flow chart of a battery bulge detection method provided by the present application. This method is applied to the above-mentioned battery bulge detection device and the above-mentioned electronic equipment. The method includes:
  • the detection method in this application controls the battery when the degree of deformation of the fabric sensor 11 is large, that is, when the degree of battery bulging is large. Stop use. For example, if the battery is being charged, control the battery to stop charging to prevent the risk of explosion and ensure the safety of batteries and electronic equipment.
  • a plurality of fabric sensors 11 are provided on the surface of the battery and are arranged at different positions on the surface of the battery;
  • controlling the battery to stop using it also includes:
  • the method further includes:
  • the deformation degree of the fabric sensor 11 is linearly related to the resistance of the fabric sensor 11;
  • the fabric sensor 11 here may, but is not limited to, include a sensing yarn.
  • the sensing yarn includes a conductive core wire and a resistance sensing component
  • the conductive core wire may be, but is not limited to, a metal conductive core wire, One or more types of inorganic conductive core wires, organic conductive core wires or composite conductive core wires.
  • the thickness of ordinary conductive core wires is not limited.
  • the specific implementation of the sensing yarn can be, but is not limited to, core yarns with pressure sensing functions such as carbon nanotube fiber yarns.
  • the deformation degree of the fabric sensor 11 may be, but is not limited to, negatively correlated with the resistance of the fabric sensor 11.
  • obtaining the resistance of the fabric sensor 11 may be, but is not limited to, obtaining the voltage of the fabric sensor 11 in the voltage dividing circuit. signal to obtain the degree of battery bulging.
  • the detection method provided by this application can detect the degree of bulging of the battery, and can promptly understand the current degree of bulging of the battery, and then make corresponding defensive measures based on the current degree of bulging to prevent safety accidents caused by battery bulging.
  • the safety of electronic equipment is further improved.
  • Figure 10 is a structural block diagram of a battery bulge detection system provided by this application.
  • the system is applied to the above-mentioned battery bulge detection device and the above-mentioned electronic equipment.
  • the system includes:
  • the acquisition unit 101 is used to acquire the deformation degree of the fabric sensor 11;
  • the bulge determination unit 102 is used to obtain the bulge degree of the battery based on the deformation degree of the fabric sensor 11;
  • the battery control unit 103 is used to control the battery to stop using when the bulging degree is not within a preset range.
  • this application also provides a battery bulge detection system.
  • a battery bulge detection system please refer to the above embodiments, and this application will not repeat them here.

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Abstract

Sont divulgués dans la présente demande un appareil, un procédé et un système de détection de gonflement de batterie, et un dispositif électronique, qui sont appliqués au domaine de la protection de sécurité de dispositifs électroniques, et sont principalement utilisés pour assurer le fonctionnement normal d'une batterie et empêcher des menaces pour la sécurité d'un dispositif électronique ou d'un corps humain. L'appareil de détection comprend un capteur de tissu, qui est fixé à la surface d'une batterie, et un appareil de traitement. Lorsque la batterie gonfle, le capteur de tissu est pressé de telle sorte que ce dernier est déformé ; et l'appareil de traitement mesure le degré de déformation du capteur de tissu, et le degré de gonflement de la batterie peut ensuite être mesuré, de telle sorte que le degré de gonflement en cours de la batterie peut être appris de manière opportune, et des mesures préventives correspondantes peuvent ensuite être prises en fonction du degré de gonflement en cours, ce qui permet d'empêcher des accidents de sécurité provoqués par un gonflement de batterie. Lorsque l'appareil de détection est appliqué à un dispositif électronique, la sécurité du dispositif électronique est davantage améliorée.
PCT/CN2022/095829 2022-03-30 2022-05-29 Appareil, procédé et système de détection de gonflement de batterie, et dispositif électronique WO2023184689A1 (fr)

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Application Number Priority Date Filing Date Title
CN202210326655.2A CN114690041A (zh) 2022-03-30 2022-03-30 一种电池鼓包的检测装置、电子设备、检测方法及系统
CN202210326655.2 2022-03-30

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WO2023184689A1 true WO2023184689A1 (fr) 2023-10-05

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CN116294959B (zh) * 2023-05-11 2024-01-09 合肥皖科智能技术有限公司 一种电池鼓包在线监测系统及方法

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WO2015014950A1 (fr) * 2013-07-31 2015-02-05 Universita' Degli Studi Di Cagliari Capteur de pression textile et méthode de fabrication de celui-ci
CN208209590U (zh) * 2018-05-31 2018-12-07 昆山龙腾光电有限公司 一种电子设备
CN210744093U (zh) * 2019-11-28 2020-06-12 湖南三一智能控制设备有限公司 蓄电池鼓包检测传感装置及电池组件
CN112444186A (zh) * 2019-08-29 2021-03-05 中兴通讯股份有限公司 电池鼓包检测方法、装置及电池
WO2021212927A1 (fr) * 2020-04-21 2021-10-28 武汉纺织大学 Capteur à base de tissu flexible intégré à détection multifonction et son utilisation
CN114122549A (zh) * 2021-11-26 2022-03-01 歌尔科技有限公司 电池鼓包检测方法、装置及计算机可读存储介质

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015014950A1 (fr) * 2013-07-31 2015-02-05 Universita' Degli Studi Di Cagliari Capteur de pression textile et méthode de fabrication de celui-ci
CN208209590U (zh) * 2018-05-31 2018-12-07 昆山龙腾光电有限公司 一种电子设备
CN112444186A (zh) * 2019-08-29 2021-03-05 中兴通讯股份有限公司 电池鼓包检测方法、装置及电池
CN210744093U (zh) * 2019-11-28 2020-06-12 湖南三一智能控制设备有限公司 蓄电池鼓包检测传感装置及电池组件
WO2021212927A1 (fr) * 2020-04-21 2021-10-28 武汉纺织大学 Capteur à base de tissu flexible intégré à détection multifonction et son utilisation
CN114122549A (zh) * 2021-11-26 2022-03-01 歌尔科技有限公司 电池鼓包检测方法、装置及计算机可读存储介质

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