CN114690041A

CN114690041A - Detection device, electronic equipment, detection method and system for battery bulge

Info

Publication number: CN114690041A
Application number: CN202210326655.2A
Authority: CN
Inventors: 余明单; 于新亮
Original assignee: Goertek Techology Co Ltd
Current assignee: Goertek Techology Co Ltd
Priority date: 2022-03-30
Filing date: 2022-03-30
Publication date: 2022-07-01
Also published as: WO2023184689A1

Abstract

The invention discloses a detection device, electronic equipment, a detection method and a detection system for a battery bulge, which are applied to the field of safety protection of electronic equipment, are mainly used for ensuring the normal use of a battery and preventing the threat to the safety of the electronic equipment or a human body. This detection device includes fabric sensor and the processing apparatus with battery surface laminating, wherein, fabric sensor can receive the extrusion when the battery takes place to swell, thereby produce deformation, processing apparatus detects fabric sensor's deformation degree, and then can detect the swell degree of battery, can in time know the current swell degree of battery, and then can make corresponding defensive measure based on current swell degree, prevent the incident because battery swell produces, when being applied to electronic equipment with it, electronic equipment's security has further been improved.

Description

Detection device, electronic equipment, detection method and system for battery bulge

Technical Field

The invention relates to the field of safety protection of electronic equipment, in particular to a detection device, electronic equipment, a detection method and a detection system for a battery bulge.

Background

With the widespread use of various portable consumer electronic devices with batteries, such as mobile phones, tablet computers, VR products, portable speakers, etc., safety accidents caused by batteries frequently occur. The battery is subjected to bulging, and particularly, in the using process of the battery, when a large amount of gas is generated in a battery core of the battery, the bulging phenomenon can occur, so that the leakage of the battery is easily caused, the probability of explosion or spontaneous combustion of the battery and an electronic wading pen where the battery is located is increased, and great hidden dangers are brought to personal and property safety.

Disclosure of Invention

The invention aims to provide a detection device, an electronic device, a detection method and a detection system for battery bulges, which can detect the bulge degree of a battery, can know the current bulge degree of the battery in time, can make corresponding defense measures based on the current bulge degree, prevent safety accidents caused by the bulge of the battery, and further improve the safety of the electronic device when the detection device is applied to the electronic device.

In order to solve the above technical problem, the present invention provides a battery bulge detection device, including:

the fabric sensor is attached to the surface of the battery and used for generating deformation when the battery bulges;

and the processing device is connected with the fabric sensor and is used for obtaining the bulge degree of the battery according to the deformation degree of the fabric sensor.

Preferably, the fabric sensor comprises:

the battery comprises sensing yarns, at least two sensing yarns are arranged in a crossed mode to form at least one cross point, and the cross point is a collecting point used for generating deformation when the battery is swelled;

the processing means is connected to the crossing point by two sensor yarns forming the crossing point.

Preferably, the number of the fabric sensors is multiple, and the fabric sensors are respectively arranged at different positions on the surface of the battery.

Preferably, the first sensor yarns forming said crossing points are arranged in a first direction, the second sensor yarns forming said crossing points are arranged in a second direction, and said first sensor yarns cross said second sensor yarns to form one of said crossing points.

Preferably, the first direction and the second direction are perpendicular to each other.

Preferably, when the number of the fabric sensors is multiple, the plurality of first sensing yarns are parallel to each other, the plurality of second sensing yarns are parallel to each other, and the distance between every two adjacent first sensing yarns and the distance between every two adjacent second sensing yarns are not less than a preset distance.

Preferably, the first sensing yarn and the second sensing yarn are intertwined with each other in a helical configuration to form a plurality of said crossing points.

Preferably, the number of the fabric sensors is multiple;

the M fabric sensors are arranged along a third direction, the N fabric sensors are arranged along a fourth direction, and the distance between every two adjacent fabric sensors is not less than a preset distance;

m and N are positive integers, and the sum of M and N is equal to the total number of the fabric sensors.

Preferably, the method further comprises the following steps:

and the alarm device is connected with the processing device and used for sending alarm information when the bulge degree of the battery is not within a preset range.

Preferably, the sensing yarn comprises:

a conductive core wire;

and the resistance sensing component is covered on the surface of the conductive core wire.

In order to solve the technical problem, the invention also provides electronic equipment which comprises a battery and the detection device for the battery bulge.

Preferably, the electronic device is VR glasses or a sound.

In order to solve the above technical problem, the present invention further provides a battery bulge detection method, which is applied to the battery bulge detection apparatus and the electronic device, and the method includes:

acquiring the deformation degree of the fabric sensor;

obtaining the bulging degree of the battery according to the deformation degree of the fabric sensor;

and when the bulge degree is not within the preset range, controlling the battery to stop using.

Preferably, the surface of the battery is provided with a plurality of fabric sensors and is arranged at different positions on the surface of the battery;

when the degree of swelling is not within the preset range, after controlling the battery to stop using, the method further comprises:

and acquiring the position of the battery bulge.

Preferably, when the degree of swelling is not within the preset range, after the battery is controlled to stop using, the method further includes:

and controlling the alarm device to send alarm information.

Preferably, the degree of deformation of the fabric sensor is linearly related to the resistance value of the fabric sensor;

acquiring the deformation degree of the fabric sensor, and acquiring the bulge degree of the battery according to the deformation degree of the fabric sensor, wherein the method comprises the following steps of:

and acquiring the resistance value of the fabric sensor, and acquiring the bulge degree of the battery according to the resistance value.

In order to solve the above technical problem, the present invention further provides a battery bulge detection system, which is applied to the battery bulge detection device and the electronic device, and the system includes:

the acquiring unit is used for acquiring the deformation degree of the fabric sensor;

the bulge judging unit is used for obtaining the bulge degree of the battery according to the deformation degree of the fabric sensor;

and the battery control unit is used for controlling the battery to stop using when the bulge degree is not in a preset range.

The application provides a detection apparatus for battery swell, is applied to electronic equipment's safety protection field, and the normal use of mainly used assurance battery prevents to cause the threat to electronic equipment or human safety. This detection device includes fabric sensor and processing apparatus with battery surface laminating, wherein, fabric sensor can receive the extrusion when the battery takes place to swell, thereby produce deformation, processing apparatus detects the deformation degree of fabric sensor, and then can detect the swell degree of battery, can in time know the current swell degree of battery, and then can make corresponding defensive measure based on current swell degree, prevent the incident because the battery swell produces, when being applied to electronic equipment with it, electronic equipment's security has further been improved.

The application also provides an electronic device, a battery bulge detection method and a battery bulge detection system, which have the same beneficial effects as the battery bulge detection method.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed in the prior art and the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a block diagram of a battery bulge detection apparatus according to the present invention;

FIG. 2 is a schematic view of a sensor yarn provided in accordance with the present invention;

FIG. 3 is a cross-sectional view of a sensing yarn according to the present invention;

FIG. 4 is a schematic view of a first fabric sensor arrangement according to the present invention;

FIG. 5 is a schematic view of a second fabric sensor arrangement according to the present invention;

FIG. 6 is a schematic cross-sectional view of another sensing yarn provided by the present invention;

FIG. 7 is a schematic view of a third fabric sensor arrangement according to the present invention;

FIG. 8 is a schematic view of a fourth fabric sensor arrangement according to the present invention;

fig. 9 is a schematic flow chart of a method for detecting a battery bulge according to the present invention;

fig. 10 is a block diagram of a battery bulge detection system according to the present invention.

Detailed Description

The core of the invention is to provide a detection device, an electronic device, a detection method and a detection system for battery bulge, which can detect the bulge degree of a battery, can know the current bulge degree of the battery in time, can make corresponding defense measures based on the current bulge degree, prevent safety accidents caused by the bulge of the battery, and further improve the safety of the electronic device when the detection device is applied to the electronic device.

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1, fig. 1 is a block diagram of a battery bulge detection device according to the present invention, the device includes:

the fabric sensor 11 is attached to the surface of the battery and used for generating deformation when the battery bulges;

and the processing device 12 is connected with the fabric sensor 11 and is used for obtaining the bulging degree of the battery according to the deformation degree of the fabric sensor 11.

Considering that the battery surface is deformed when the battery bulges, if the battery bulges are detected, the deformation degree of the battery surface is only required to be detected. The deformation degree of the battery surface is detected by the fabric sensor 11 in the present application. The fabric sensor 11 has elasticity, when the fabric sensor is attached to the surface of a battery, when the battery bulges, the fabric sensor 11 can also deform, the processing device 12 detects the deformation degree of the fabric sensor 11, the bulging degree of the battery is determined by the deformation degree of the fabric sensor 11, specifically, when the bulging degree of the battery reaches a preset degree, the battery is determined to have the risk of explosion, at the moment, the threat is caused to the safety of electronic equipment and the safety of a user using the electronic equipment, at the moment, the battery can be controlled to stop, for example, the charging is stopped, and the risk of explosion is reduced to the maximum degree.

It should be noted that, the battery is generally a rectangular parallelepiped structure, and is generally fixed on a battery fixing frame by a double-sided adhesive tape, one surface of the battery adhered in the length and width direction is called an adhesive surface, and the other surface of the battery adhered in the length and width direction is called a non-adhesive surface, and in general, the swelling condition of the battery is obvious on the non-adhesive surface, so that the fabric sensor 11 is adhered to the surface of the non-adhesive surface of the battery, the swelling condition of the battery is sensed, and the processing device 12 collects the deformation degree of the fabric sensor 11 to determine the swelling degree of the battery.

In addition, the processing device 12 may be, but not limited to, a single chip microcomputer, an MCU (micro controller Unit) Microcontroller, an arm (advanced RISC machines) processor, an embedded processor, a DSP (Digital Signal processor), an FPGA (Field Programmable Gate Array), or the like.

In conclusion, the detection device provided by the application can detect the bulge degree of the battery, can timely know the current bulge degree of the battery, and further can make corresponding defense measures based on the current bulge degree, so that the safety accident caused by the bulge of the battery is prevented from occurring, and when the safety measure is applied to the electronic equipment, the safety of the electronic equipment is further improved.

On the basis of the above-described embodiment:

as a preferred embodiment, the fabric sensor 11 includes:

the battery comprises sensing yarns, at least two sensing yarns and a battery cover, wherein the sensing yarns are arranged in a crossed manner to form at least one cross point, and the cross point is a collecting point for generating deformation when the battery is swelled;

the processing means 12 is connected to the crossing point by two sensor yarns forming the crossing point.

The present embodiment is intended to provide a specific implementation manner of the fabric sensor 11, specifically, the fabric sensor 11 includes at least two sensing yarns, where the sensing yarns are pressure sensing yarns, and the pressure collection can be implemented at the intersection of the two sensing yarns. Specifically, when the fabric sensor 11 is in contact with the surface of the battery, if the surface of the battery bulges, the two sensing yarns at the intersection point will be squeezed with each other, and the intersection point will deform, and at this time, the processing device 12 specifically detects the deformation degree at the intersection point of the two sensing yarns to obtain the bulge degree of the battery.

Further, as a preferred embodiment, the sensing yarn comprises:

a conductive core wire;

and the resistance sensing part is covered on the surface of the conductive core wire.

The embodiment aims to provide a specific implementation manner of sensing yarns, wherein the sensing yarns may include, but are not limited to, a conductive core wire and a resistance sensing component, and at this time, when a battery swells, two crossed sensing yarns may be under the action of pressure to generate physical deformation, and the resistance value of a resistance area formed at the intersection of the two sensing yarns may change.

Referring specifically to fig. 2, fig. 2 is a schematic view of a sensing yarn according to the present invention. Wherein, in the initial state (when the battery is not bulged), no extrusion exists between the two sensing yarns; when the battery slightly bulges, slight pressing exists between the two sensing yarns, and the deformation amount is small; when the battery bulge condition is severe, the amount of deformation between the two sensing yarns is large. Especially when the sensing yarns comprise conductive core wires and resistance sensing parts, the resistance values at the crossing points can be measured to measure the deformation of the two sensing yarns.

The specific way of measuring the resistance value at the intersection point may be: one end of one sensing yarn is connected with a low-voltage power supply through a divider resistor, and one end of the other sensing yarn is grounded, at the moment, the two sensing yarns, the divider resistor and the low-voltage power supply form a divider circuit, voltage signals at the joint of the divider resistor and the sensing yarns are measured, the resistance value at the intersection point can be measured, the deformation quantity of the two sensing yarns can be measured, and the bulge condition of the battery can be measured. It should be noted that the low-voltage power supply herein may be replaced by a constant current source, and the application is not limited herein.

In a preferred embodiment, the fabric sensor 11 is provided in a plurality and is disposed at different positions on the surface of the battery.

Specifically, for further improving the accuracy of detecting the battery, in this embodiment, a plurality of fabric sensors 11 are provided and are arranged at different positions on the surface of the battery, at this time, when the processing device 12 measures the deformation degree of the fabric sensors 11, if the deformation amount of a certain fabric sensor 11 is detected to be large, the position of the fabric sensor 11 can be further acquired, so as to acquire the position of the bulge of the battery, which is convenient for a worker to track the condition of the battery, and is convenient for subsequent maintenance and other work.

It should be noted that, when a plurality of fabric sensors 11 are provided in the present application, a corresponding relationship between each fabric sensor 11 and a position needs to be established first, so as to facilitate obtaining the position of the battery bulge in the subsequent process.

In conclusion, by arranging the plurality of fabric sensors 11 in the embodiment, the accuracy of detecting the bulge condition of the battery can be improved, the bulge position of the battery can be acquired, and the safety of the battery is further guaranteed.

As a preferred embodiment, the first sensor yarns 31 forming the cross-over points are arranged in a first direction, the second sensor yarns 32 forming the cross-over points are arranged in a second direction, and the first sensor yarns 31 cross over the second sensor yarns 32 to form a cross-over point.

The present embodiment aims to provide a specific implementation of a crossing formed by two sensing yarns, wherein the two yarns forming the crossing are arranged in different directions and there is a crossing between the first sensing yarn 31 and the second sensing yarn 32, which crossing serves as a collection point of the textile sensor 11.

As a preferred embodiment, the first direction and the second direction are perpendicular to each other.

Specifically, the first direction and the second direction may be perpendicular to each other, and an included angle between the first direction and the second direction may be a predetermined angle.

As a preferred embodiment, when the number of the fabric sensors 11 is plural, 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 a distance between every two adjacent first sensing yarns 31 and a distance between every two adjacent second sensing yarns 32 are not less than a preset distance.

Specifically, when there is a crossing point between the first sensing yarn 31 and the second sensing yarn 32, and if a plurality of fabric sensors 11 are disposed on the surface of the battery, a specific implementation manner can be seen in fig. 3, fig. 4, and fig. 5, where fig. 3 is a schematic diagram of crossing of one sensing yarn provided by the present invention, fig. 4 is a schematic diagram of a layout of a first fabric sensor provided by the present invention, and fig. 5 is a schematic diagram of a layout of a second fabric sensor provided by the present invention.

In fig. 3, assuming that the plurality of transverse sensor yarns are first sensor yarns 31 and the plurality of vertical sensor yarns are second sensor yarns 32, it can be seen that the plurality of first sensor yarns 31 are parallel to each other, the plurality of second sensor yarns 32 are parallel to each other, and a certain distance exists between every two adjacent sensor yarns, specifically, the distance is not less than a preset distance, so as to ensure that only one intersection point exists between the first sensor yarns 31 and the second sensor yarns 32.

In a specific application, reference may be made to fig. 4 and 5, wherein in fig. 4, it is assumed that the first sensing yarns 31 are arranged in rows, the second sensing yarns 32 are arranged in columns, the first sensing yarns 31 are parallel to one side of the battery, the second sensing yarns 32 are parallel to the other side of the battery and perpendicular to the first sensing yarns 31, and each intersection acts as a point sensor. In the weaving mode, a plurality of sensing yarns can be embedded into the woven cloth. In fig. 5, the first sensing yarns 31 may be arranged in a diagonal cell-side manner, the diagonal angle is not limited, and the first sensing yarns 31 are arranged in a left diagonal pattern, and the second sensing yarns 32 are arranged in a right diagonal pattern. Similarly, each intersection acts as a point sensor, and in the weaving mode, a plurality of sensing yarns can be embedded into the weaving cloth.

In the specific implementation of the conductive core wire and the resistance sensing member, the polarities of the connection of the plurality of first sensing yarns 31 are the same, and for example, the first sensing yarns 31 are all connected to one end of a voltage dividing resistor in a corresponding voltage dividing circuit, and the other end of the voltage dividing resistor is connected to a low voltage power supply or a constant current source (it can be understood that the first sensing yarns 31 are all connected to the positive electrode). The plurality of second sensing yarns 32 are connected with the same polarity, for example, when all the second sensing yarns 32 are connected with the corresponding voltage division circuits, all the second sensing yarns 32 are grounded (it can be understood that all the second sensing yarns 32 are connected with the negative electrode). Then, through the connection relation of respective connection and the measured resistance value, the deformation of the cross point can be determined, and the position of the battery can be determined to generate the bulge.

In summary, the method in this embodiment can implement the function of measuring a plurality of positions on the surface of the battery, and the implementation method is simple and reliable.

As a preferred embodiment, the first sensing yarn 31 and the second sensing yarn 32 are twisted around each other in a spiral configuration to form a plurality of crossing points.

This embodiment is intended to provide another specific implementation of the crossing point formed by two sensing yarns, please refer to fig. 6, and fig. 6 is a schematic diagram of the crossing point of another sensing yarn provided by the present invention. In this case, a plurality of intersections exist between the first sensing yarn 31 and the second sensing yarn 32, the whole of the wound first sensing yarn 31 and second sensing yarn 32 serves as one fabric sensor 11, and the winding density of the first sensing yarn 31 and second sensing yarn 32 is not limited. When the sensing yarns are specifically realized as conductive core wires and resistance sensing parts, the first sensing yarn 31 and the second sensing yarn 32 are connected with the positive pole and the negative pole one by one, and the bulge degree of the battery is obtained by measuring the resistance values of the contact parts of the first sensing yarn 31 and the second sensing yarn 32.

As a preferred embodiment, when the number of the fabric sensors 11 is plural;

the M fabric sensors 11 are arranged along a third direction, the N fabric sensors 11 are arranged along a fourth direction, and the distance between every two adjacent fabric sensors 11 is not less than a preset distance;

m and N are positive integers and the sum of M and N is equal to the total number of fabric sensors 11.

Specifically, when the fabric sensor 11 is multiple, each fabric sensor 11 includes one first sensing yarn 31 and one second sensing yarn 32, and the crossing point between the two is formed by winding, the arrangement manner in practical application may refer to fig. 7 and 8, fig. 7 is a layout schematic diagram of a third fabric sensor provided by the present invention, and fig. 8 is a layout schematic diagram of a fourth fabric sensor provided by the present invention. In fig. 7, the wound fabric sensors 11 are arranged in parallel to the battery edge, and one part is along the third direction, and the other part is along the fourth direction, and the third direction may be perpendicular to the fourth direction, and in this case, each row or each column is used as a single fabric sensor 11 to acquire the condition of the battery bulge at the corresponding position. In fig. 8, the fabric sensor 11 is disposed along the oblique battery edge, and the oblique angle is not limited, and may be disposed in a left oblique direction and a right oblique direction.

Of course, other implementations are possible, and the present application is not limited thereto.

In summary, in the present application, the function of the fabric sensor 11 can be realized in a manner that one cross point exists between the first sensing yarn 31 and the second sensing yarn 32, or a plurality of cross points exist in a spiral winding manner, and the fabric sensor 11 has a small volume, can be embedded in a woven fabric, realizes the function of pressure collection, and has a simple and reliable realization manner and good aesthetic property.

As a preferred embodiment, the method further comprises the following steps:

and the alarm device is connected with the processing device 12 and is used for sending alarm information when the bulge degree of the battery is not in the preset range.

Furthermore, for convenience of a user to know the bulge information of the battery in time, an alarm device is further arranged, when the processing device 12 detects that the bulge degree of the battery is not within a preset range, the battery is judged to have a safety risk at the moment, alarm information is sent out through the alarm device at the moment, the user is reminded, so that the user can replace or maintain the battery in time based on the information, and the safety of the battery in the using process is improved.

In order to solve the technical problem, the invention further provides an electronic device which comprises a battery and the detection device for the battery bulge.

As a preferred embodiment, the electronic device is VR (Virtual Reality) glasses or a stereo.

Further, the detection device for battery bulge described in the above embodiments may be disposed in any electronic device including a battery, such as VR glasses or audio equipment, when a housing is disposed outside the battery of the electronic device, the fabric sensor 11 may be, but is not limited to, disposed between the battery and the housing, and is in contact with both the surface of the battery and the surface of the housing, and in this case, when the battery bulge occurs, the deformation amount generated by the fabric sensor 11 is large due to the limited space between the surface of the battery and the surface of the housing, and is easier to measure.

Of course, the present invention is not limited to the above examples, and the present invention is not limited thereto.

Referring to fig. 9, fig. 9 is a schematic flow chart of a method for detecting a battery bulge according to the present invention, the method is applied to the apparatus for detecting a battery bulge and the electronic device, and the method includes:

s91: acquiring the deformation degree of the fabric sensor 11;

s92: obtaining the bulging degree of the battery according to the deformation degree of the fabric sensor 11;

s93: and when the swelling degree is not in the preset range, controlling the battery to stop using.

Specifically, please refer to the above embodiments for a specific description of the electronic device and the battery bulge detection apparatus, the detection method in the present application controls the battery to stop using when the deformation degree of the fabric sensor 11 is large, that is, the bulge degree of the battery is large, for example, if the battery is in a charging process, the battery is controlled to stop charging, so as to prevent the risk of explosion, and ensure the safety of the battery and the electronic device.

On the basis of the above-described embodiment:

as a preferred embodiment, the surface of the battery is provided with a plurality of fabric sensors 11, and is arranged at different positions on the surface of the battery;

when the degree of swelling is not in the preset range, after the battery is controlled to stop using, the method further comprises the following steps:

the position of the battery bulge is obtained.

For a detailed description of obtaining the position of the battery bulge, please refer to the above embodiments, which are not described herein again. As a preferred embodiment, after the battery is controlled to stop using when the degree of swelling is not within the preset range, the method further includes:

and controlling the alarm device to send alarm information.

For the specific description of controlling the alarm device to send out the alarm information, refer to the above embodiments, which are not described herein again.

As a preferred embodiment, the degree of deformation of the fabric sensor 11 is linearly related to the resistance value of the fabric sensor 11;

obtain the deformation degree of fabric sensor 11, obtain the swell degree of battery according to the deformation degree of fabric sensor 11, include:

the resistance value of the fabric sensor 11 is acquired, and the degree of bulging of the battery is obtained from the resistance value.

Specifically, the fabric sensor 11 herein may include, but is not limited to, a sensing yarn, and when the sensing yarn includes a conductive core and a resistance sensing component, the conductive core may be, but is not limited to, one or more of a metal type conductive core, an inorganic type conductive core, an organic type conductive core or a composite type conductive core, and the thickness of the common conductive core is not limited. The sensing yarn can be implemented in a specific manner, but is not limited to, a core wire with a pressure sensing function, such as a carbon nanotube fiber yarn.

Specifically, the deformation degree of the fabric sensor 11 may be, but is not limited to, negatively correlated with the resistance value of the fabric sensor 11, and in this case, the obtaining of the resistance value of the fabric sensor 11 may be, but is not limited to, obtaining a voltage signal of the fabric sensor 11 in the voltage dividing circuit, so as to obtain the swelling degree of the battery.

Therefore, the detection method provided by the application can be used for detecting the bulge degree of the battery, the current bulge degree of the battery can be known in time, and then corresponding defense measures can be made based on the current bulge degree, so that safety accidents caused by bulge of the battery are prevented, and when the detection method is applied to electronic equipment, the safety of the electronic equipment is further improved.

Referring to fig. 10, fig. 10 is a block diagram of a battery bulge detection system applied to the battery bulge detection apparatus and the electronic device, and the system includes:

an obtaining unit 101, configured to obtain a deformation degree of the fabric sensor 11;

a bulge determining unit 102 for obtaining a bulge degree of the battery according to the deformation degree of the fabric sensor 11;

and a battery control unit 103 for controlling the battery to stop using when the degree of swelling is not within a preset range.

For solving the above technical problem, the present application further provides a battery bulge detection system, and please refer to the above embodiments for the introduction of the battery bulge detection system, which is not described herein again.

It should be noted that, in the present specification, relational terms such as first and second, and the like are used only for distinguishing one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Those of skill would further appreciate that the various illustrative components and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the components and steps of the various examples have been described above generally in terms of their functionality in order to clearly illustrate this interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A battery bulge detection device, comprising:

2. The battery bulge detection device of claim 1, wherein the fabric sensor comprises:

3. The battery bulge detection device according to claim 2, wherein the number of the fabric sensors is plural, and the fabric sensors are respectively arranged at different positions on the surface of the battery.

4. The battery bulge detection device according to claim 2, wherein a first sensor yarn forming the crossing point is arranged in a first direction, a second sensor yarn forming the crossing point is arranged in a second direction, and the first sensor yarn crosses the second sensor yarn to form one of the crossing points.

5. The battery bulge detection device according to claim 4, wherein the first direction and the second direction are perpendicular to each other.

6. The battery bulge detection device according to claim 4, wherein when the number of the fabric sensors is plural, the first sensing yarns are parallel to each other, the second sensing yarns are parallel to each other, and a distance between every two adjacent first sensing yarns and a distance between every two adjacent second sensing yarns are not less than a predetermined distance.

7. The battery bulge detection device of claim 2, wherein the first sensing yarn and the second sensing yarn are intertwined in a helical configuration to form a plurality of said intersections.

8. The battery bulge detection device according to claim 7, wherein the number of the fabric sensors is plural;

9. The battery bulge detection device according to any one of claims 1 to 8, further comprising:

10. The battery bulge detection device of any one of claims 1-8, wherein the sensing yarn comprises:

a conductive core wire;

11. An electronic device comprising a battery and the battery bulge detection device according to any one of claims 1 to 10.

12. The electronic device of claim 11, wherein the electronic device is VR glasses or a stereo.

13. A battery bulge detection method applied to the battery bulge detection apparatus according to any one of claims 1 to 10 and the electronic device according to claim 11 or 12, the method comprising:

acquiring the deformation degree of the fabric sensor;

14. The method for detecting a battery bulge as claimed in claim 13, wherein the surface of the battery is provided with a plurality of fabric sensors and is disposed at different positions on the surface of the battery;

and acquiring the position of the battery bulge.

15. The method for detecting a battery bulge according to claim 13, wherein after controlling the battery to stop using when the bulge degree is not within a preset range, further comprising:

and controlling the alarm device to send out alarm information.

16. The battery bulge detection method according to any one of claims 13 to 15, wherein the degree of deformation of the fabric sensor is linearly related to the resistance value of the fabric sensor;

acquiring the deformation degree of the fabric sensor, and obtaining the bulge degree of the battery according to the deformation degree of the fabric sensor, wherein the method comprises the following steps:

17. A battery bulge detection system applied to the battery bulge detection device according to any one of claims 1 to 10 and the electronic apparatus according to claim 11 or 12, the system comprising: