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

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

A detection device, electronic device, 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 battery bulging detection device, electronic equipment, detection method and system.

Background technique

With the widespread use of various portable consumer electronic devices with batteries, such as mobile phones, tablet computers, VR products and portable speakers, safety accidents caused by batteries frequently occur. The bulging of the battery 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 will easily cause the battery to leak and increase the battery and the electronic interference where the battery is located. The probability of explosion or spontaneous combustion of the pen brings huge hidden dangers to personal and property safety.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a battery bulging detection device, electronic equipment, detection method and system, which can detect the bulging degree of the battery, know the current bulging degree of the battery in time, and then make corresponding measures based on the current bulging degree. The protective measures to prevent the occurrence of safety accidents due to battery bulging, when applied to electronic equipment, further improve the safety of electronic equipment.

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

a fabric sensor, which is attached to the surface of the battery and is used to generate deformation when the battery is bulged;

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

Preferably, the fabric sensor includes:

sensing yarns, and at least two of the sensing yarns are crossed 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 by two sensing yarns that form the intersection.

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

Preferably, the first sensing yarn forming the intersection is arranged in a first direction, the second sensing yarn forming the intersection is arranged in a second direction, and the first sensing yarn and the The second sensing yarns intersect to form one of the intersections.

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

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

Preferably, the first sensing yarn and the second sensing yarn are wound with each other in a helical structure to form a plurality of the intersections.

Preferably, when the number of the fabric sensors is multiple;

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

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

Preferably, it also includes:

An alarm device, connected with the processing device, is used for sending out alarm information when the bulging degree of the battery is not within a preset range.

Preferably, the sensing yarn comprises:

Conductive core wire;

The resistance induction component covers the surface of the conductive core wire.

In order to solve the above technical problems, the present invention also provides an electronic device, including a battery and the above-mentioned battery bulge detection device.

Preferably, the electronic device is VR glasses or audio.

In order to solve the above technical problems, the present invention also provides a method for detecting a battery bulge, which is applied to the above-mentioned battery bulge detection device and the above-mentioned electronic equipment, and the method includes:

Obtain the deformation degree of the fabric sensor;

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

When the degree of bulging is not within a preset range, the battery is controlled to stop using.

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

When the degree of bulging is not within the preset range, after controlling the battery to stop using, the method further includes:

Get the location of the battery bulge.

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

Control the alarm device to send out alarm information.

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

Obtain the deformation degree of the fabric sensor, and obtain the bulging degree of the battery according to the deformation degree of the fabric sensor, including:

The resistance value of the fabric sensor is acquired, and the bulging degree of the battery is obtained according to the resistance value.

In order to solve the above technical problems, the present invention also provides a battery bulging detection system, which is applied to the above-mentioned battery bulging detection device and the above-mentioned electronic equipment, and the system includes:

an acquisition unit, used to acquire the deformation degree of the fabric sensor;

a bulging determination unit, used for obtaining the bulging degree of the battery according to the deformation degree of the fabric sensor;

A battery control unit, configured to control the battery to stop using when the bulging degree is not within a preset range.

The present application provides a battery bulging detection device, which is applied to the field of safety protection of electronic equipment, and is mainly used to ensure the normal use of the battery and prevent threats to the safety of the electronic equipment or the human body. The detection device includes a fabric sensor attached to the surface of the battery and a processing device, wherein the fabric sensor will be squeezed when the battery is bulged, thereby causing deformation, and the processing device detects the degree of deformation of the fabric sensor, and then can detect the battery's deformation. The degree of bulging can be detected, and the current bulging degree of the battery can be known in time, and corresponding defensive measures can be taken based on the current bulging degree to prevent safety accidents caused by battery bulging. device security.

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

Description of drawings

In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the following briefly introduces the prior art and the accompanying drawings required in the embodiments. Obviously, the drawings in the following description are only some of the present invention. In the embodiments, for those of ordinary skill in the art, other drawings can also be obtained according to these drawings without any creative effort.

1 is a structural block diagram of a detection device for a battery bulge provided by the present invention;

2 is a schematic diagram of a sensing yarn provided by the present invention;

3 is a schematic diagram of a sensing yarn crossing provided by the present invention;

4 is a schematic diagram of the layout of the first fabric sensor provided by the present invention;

5 is a schematic diagram of the layout of the second fabric sensor provided by the present invention;

6 is a schematic diagram of another sensing yarn crossing provided by the present invention;

7 is a schematic diagram of a third fabric sensor layout provided by the present invention;

8 is a schematic diagram of a fourth fabric sensor layout provided by the present invention;

9 is a schematic flowchart of a method for detecting a battery bulge provided by the present invention;

FIG. 10 is a structural block diagram of a battery bulging detection system provided by the present invention.

Detailed ways

The core of the present invention is to provide a battery bulging detection device, electronic equipment, detection method and system, which can detect the bulging degree of the battery, know the current bulging degree of the battery in time, and then make corresponding measures based on the current bulging degree. The protective measures to prevent the occurrence of safety accidents due to battery bulging, when applied to electronic equipment, further improve the safety of electronic equipment.

In order to make the purposes, 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 accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments These are some embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Please refer to FIG. 1. FIG. 1 is a structural block diagram of a battery bulge detection device provided by the present invention, and the device includes:

The fabric sensor 11, which is attached to the surface of the battery, is used to generate deformation when the battery is bulged;

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

Considering that when the battery is bulging, the battery surface will deform. Therefore, to detect the bulging of the battery, it is only necessary to detect the degree of deformation of the battery surface. In this application, the deformation degree of the battery surface is detected by the fabric sensor 11 . The fabric sensor 11 itself has elasticity. When the fabric sensor 11 is attached to the surface of the battery, when the battery is bulged, the fabric sensor 11 will also deform. The processing device 12 detects the degree of deformation of the fabric sensor 11. The degree of bulging of the battery determines the bulging degree of the battery. Specifically, when the bulging degree of the battery reaches a preset degree, it is determined that the battery is at risk of explosion. At this time, the safety of the electronic device and the safety of the users who use the electronic device are threatened. At this time, you can Control the battery to stop, such as stop charging, etc., to minimize the risk of explosion.

It should be noted that the battery is generally a cuboid structure, and the battery is usually fixed on the battery holder by double-sided tape. The bulging condition of the battery is obvious on the non-sticking surface. Therefore, the fabric sensor 11 is attached to the non-sticking surface of the battery to sense the bulging condition of the battery. The processing device 12 collects the deformation degree of the fabric sensor 11 to determine the battery Degree of drumming.

In addition, 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 SignalProcess, digital signal processing) or an FPGA ( Field Programmable Gate Array, Field Programmable Logic Gate Array) and so on.

To sum up, the detection device provided by the present application can detect the bulging degree of the battery, and can know the current bulging degree of the battery in time, and then can take corresponding defensive measures based on the current bulging degree to prevent the occurrence of safety accidents caused by the battery bulging. , when it is applied to electronic equipment, the security of electronic equipment is further improved.

On the basis of the above-mentioned embodiment:

As a preferred embodiment, the fabric sensor 11 includes:

sensing yarns, and at least two sensing yarns are crossed 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 12 is connected to the intersection by two sensing yarns that form the intersection.

This embodiment aims to provide a specific implementation of the fabric sensor 11. Specifically, the fabric sensor 11 includes at least two sensing yarns, wherein the sensing yarns are pressure sensing yarns. The pressure can be collected at the intersection. Specifically, when the fabric sensor 11 is in contact with the surface of the battery, if the surface of the battery is bulged, the two sensing yarns at the intersection will squeeze each other, and the intersection will be deformed. At this time, the processing device 12 Specifically, the degree of deformation at the intersection of the two yarn sensing yarns is detected to obtain the degree of bulging of the battery.

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

Conductive core wire;

The resistance induction part covers the surface of the conductive core wire.

This embodiment aims to provide a specific implementation of the sensing yarn, wherein the sensing yarn may include, but is not limited to, a conductive core wire and a resistance sensing component. In this case, when the battery is bulged, the two The crossed sensing yarns will be subjected to pressure, resulting in physical deformation, and the resistance value of the resistance area formed at the intersection of the two sensing yarns will change. The greater the extrusion between the sensed yarns, that is, the greater the deformation, the smaller the corresponding resistance value.

For details, please refer to FIG. 2 , which is a schematic diagram of a sensing yarn provided by the present invention. Among them, in the initial state (when the battery does not bulge), there is no pressing between the two sensing yarns; when the battery is slightly bulging, there is a slight pressing between the two sensing yarns, The deformation amount is small; when the battery bulge is serious, the deformation amount between the two sensing yarns is large. Especially when the sensing yarn includes a conductive core wire and a resistance sensing part, the resistance value at the intersection point can be measured to measure the deformation amount of the two sensing yarns.

Wherein, the specific method of measuring the resistance value at the intersection can be as follows: 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 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, and the voltage signal at the connection between the voltage dividing resistor and the sensing yarn can be measured, and the crossover can be measured. Point out the resistance value, you can measure the deformation of the two sensing yarns, you can measure the bulge of the battery. It should be noted that the low-voltage power supply here can also be replaced by a constant current source, etc., which is not limited in this application.

As a preferred embodiment, the number of fabric sensors 11 is multiple, and they are respectively arranged at different positions on the surface of the battery.

Specifically, in order to further improve the detection accuracy of the battery, in this embodiment, a plurality of fabric sensors 11 are arranged, which are arranged at different positions on the surface of the battery. During the measurement, if it is detected that the deformation of a certain fabric sensor 11 is large, the position of the fabric sensor 11 can also be obtained to obtain the position where the battery bulges, which is convenient for the staff to track the condition of the battery and facilitate the follow-up. Maintenance work, etc.

It should be noted that, when setting up multiple fabric sensors 11 in the present application, it is necessary to establish a corresponding relationship between each fabric sensor 11 and its position, so as to facilitate the subsequent acquisition of the position of the battery bulge.

To sum up, by setting a plurality of fabric sensors 11 in this embodiment, not only the accuracy of detecting the bulging condition of the battery can be improved, but also the position of the bulging of the battery can be obtained, which further ensures the safety of the battery.

As a preferred embodiment, the first sensing yarns 31 forming the intersections are arranged along the first direction, the second sensing yarns 32 forming the intersections are arranged along the second direction, and the first sensing yarns 31 The intersection with the second sensing yarn 32 forms an intersection.

This embodiment aims to provide a specific implementation of the intersection formed by two sensing yarns, wherein the two yarns forming the intersection are arranged in different directions, and the first sensing yarn 31 and the second sensing yarn 31 and the second sensing yarn 31 are arranged in different directions. There is an intersection between the sense yarns 32 , and the intersection serves as the collection point of the fabric 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 set vertically, and the included angle between the first direction and the second direction may also be a preset angle, which is not limited in this application, as long as the first yarn and the second yarn are satisfied There is only one intersection between the lines.

As a preferred embodiment, when the number of fabric sensors 11 is multiple, the multiple first sensing yarns 31 are parallel to each other, the multiple 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.

Specifically, when there is an intersection between the first sensing yarn 31 and the second sensing yarn 32, if a plurality of fabric sensors 11 are arranged on the surface of the battery, the specific implementation can refer to FIG. 3 and FIG. 4, and FIG. 5 are, FIG. 3 is a schematic diagram of a sensing yarn crossing provided by the present invention, FIG. 4 is a schematic diagram of the layout of the first fabric sensor provided by the present invention, and FIG. 5 is a second fabric sensor provided by the present invention. Layout schematic.

In FIG. 3, it is assumed that 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, a plurality of 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, so as to ensure There is only one point of intersection between the first sensing yarn 31 and the second sensing yarn 32 .

In a specific application, please refer to FIG. 4 and FIG. 5, wherein, in FIG. 4, it is assumed that the first sensing yarn 31 is arranged in a row, the second sensing yarn 32 is arranged in a row, and the first sensing yarn 32 is arranged in a row. 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. At this time, each intersection is used as a point sensor. Wherein, in the weaving method, a plurality of sensing yarns can be embedded into the woven cloth. In FIG. 5, the first sensing yarn 31 can be laid out obliquely to the battery side, and the oblique angle is not limited. The layout is that the first sensing yarn 31 is in a left oblique pattern, and the second sensing yarn 32 is in a right oblique pattern. . Similarly, each intersection is used as a point sensor, and in the weaving way, multiple sensing yarns can be embedded into the woven fabric.

It should be noted that, when the sensing yarns are the specific implementations of the above-mentioned conductive core wires and resistance sensing components, the polarities connected to the plurality of first sensing yarns 31 are the same, for example, the respective corresponding partial pressures 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 source or a constant current source, (it can also be understood that the first sensing yarn 31 is connected to the positive electrode). The polarities connected to the plurality of second sensing yarns 32 are the same. For example, when they are all connected to their corresponding voltage divider circuits, the second sensing yarns 32 are all grounded (which can also be understood as the second sensing yarns 32 are connected to the negative pole). Then, through the connection relationship of the respective connections and the measured resistance value, it can be determined which intersection point is deformed, that is, it can be determined where the bulge occurs in the battery.

To sum up, 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.

As a preferred embodiment, the first sensing yarn 31 and the second sensing yarn 32 are wound with each other in a helical structure to form a plurality of intersections.

This embodiment aims to provide another specific implementation of the intersection formed by two sensing yarns. Please refer to FIG. 6 , which is a schematic diagram of another sensing yarn intersection provided by the present invention. Wherein, the two yarns forming the intersection point are arranged in a cross spiral in the same direction. At this time, there are multiple intersection points between the first sensing yarn 31 and the second sensing yarn 32, and the first sensing yarn 31 The whole after winding with the second sensing yarn 32 is used as a fabric sensor 11, and the winding density of the first sensing yarn 31 and the second sensing yarn 32 is not limited. Wherein, when the sensing yarn is 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 one by one. The resistance value of the contact portion between 31 and the second sensing yarn 32 is measured to obtain the bulging degree of the battery.

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

The M fabric sensors 11 are arranged along the third direction, the N fabric sensors 11 are arranged along the fourth direction, and the distance between each adjacent two fabric sensors 11 is not less than a 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 .

Specifically, when there are multiple fabric sensors 11, and each fabric sensor 11 includes a first sensing yarn 31 and a second sensing yarn 32, and the way of forming an intersection between the two is winding setting 7 and 8. FIG. 7 is a schematic diagram of the layout of the third fabric sensor provided by the present invention, and FIG. 8 is a schematic diagram of the layout of the fourth type of fabric sensor provided by the present invention. In FIG. 7, the wound fabric sensor 11 is arranged parallel to the edge of the battery, and part of it is along the third direction, and the other part is along the fourth direction. The third direction can be perpendicular to the fourth direction. The fabric sensor 11 is used to obtain the situation of the battery bulge at the corresponding position. In FIG. 8 , the fabric sensor 11 is arranged obliquely to the edge of the battery, and the angle of inclination is not limited, and can be arranged in a part of the left oblique direction and the other part of the right oblique direction.

Of course, other implementation manners are also possible, which are not limited in this application.

To sum up, in the present application, there is one intersection between the first sensing yarn 31 and the second sensing yarn 32, or there are multiple intersections in the helical winding, both of which can realize the function of the fabric sensor 11, and The fabric sensor 11 is small in size, and can be embedded in a woven cloth to realize the function of pressure collection, and the realization method is simple and reliable, and has good aesthetics.

As a preferred embodiment, it also includes:

The alarm device, connected with the processing device 12, is used for sending out alarm information when the bulging degree of the battery is not within the preset range.

Further, in order to facilitate the user to know the bulging information of the battery in time, an alarm device is also provided. When the processing device 12 detects that the bulging degree of the battery is not within the preset range, it is determined that the battery has a safety risk at this time, and the alarm device is used to issue a warning. The alarm information reminds the user, so that the user can replace or repair the battery in time based on this information, which improves the safety of the battery during use.

In order to solve the above technical problems, the present invention also provides an electronic device, including a battery and the above-mentioned battery bulge detection device.

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

Further, the battery bulging detection device described in the above embodiment can be installed in any electronic equipment including batteries, such as VR glasses or audio equipment. It is arranged between the battery and the casing, and is in contact with the battery surface and the casing surface. At this time, when the battery is bulging, due to the limited space between the battery surface and the casing surface, the deformation amount generated by the fabric sensor 11 is relatively large. Easier to measure.

Of course, it is not limited to the above examples, and the present application is not limited here.

Please refer to FIG. 9. FIG. 9 is a schematic flowchart of a method for detecting a battery bulge provided by the present invention. The method is applied to the above-mentioned battery bulge detection device and the above-mentioned electronic equipment. The method includes:

S91: obtain 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: When the degree of bulging is not within the preset range, control the battery to stop using.

Specifically, please refer to the above-mentioned embodiments for the specific description of the detection device for electronic equipment and battery bulge. The detection method in this application controls the battery when the deformation degree of the fabric sensor 11 is relatively large, that is, when the degree of bulging of the battery is relatively large. Stop using, for example, if the battery is in the process of charging, control the battery to stop charging to prevent the risk of explosion and ensure the safety of the battery and electronic equipment.

On the basis of the above-mentioned embodiment:

As a preferred embodiment, a plurality of fabric sensors 11 are arranged on the surface of the battery, and are arranged at different positions on the surface of the battery;

When the degree of bulging is not within the preset range, after the control battery stops using, it also includes:

Get the location of the battery bulge.

For the specific description of acquiring the position of the battery bulge, please refer to the above-mentioned embodiment, which will not be repeated in this application. As a preferred embodiment, when the degree of bulging is not within the preset range, after controlling the battery to stop using, the method further includes:

Control the alarm device to send out alarm information.

For the specific description of controlling the alarm device to send out the alarm information, please refer to the above-mentioned embodiments, which will not be repeated in this application.

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

Obtain the deformation degree of the fabric sensor 11, and obtain the bulging degree of the battery according to the deformation degree of the fabric sensor 11, including:

Obtain the resistance value of the fabric sensor 11, and obtain the bulging degree of the battery according to the resistance value.

Specifically, the fabric sensor 11 here may include, but is not limited to, a sensing yarn. When the sensing yarn includes a conductive core wire and a resistance sensing component, the conductive core wire may be, but not limited to, a metal conductive core wire, One or more of inorganic conductive core wires, organic conductive core wires or composite conductive core wires, and the thickness of common conductive core wires is not limited. The specific implementation of the sensing yarn may be, but not limited to, a core wire with a pressure sensing function such as carbon nanotube fiber yarn.

Specifically, the deformation degree of the fabric sensor 11 may be negatively correlated with the resistance value of the fabric sensor 11, but is not limited to. signal to get the bulging degree of the battery.

It can be seen that the detection method provided by the present application can detect the bulging degree of the battery, and can know the current bulging degree of the battery in time, and then can take corresponding defensive measures based on the current bulging degree to prevent the occurrence of safety accidents due to battery bulging. When it is applied to electronic equipment, the security of electronic equipment is further improved.

Please refer to FIG. 10. FIG. 10 is a structural block diagram of a battery bulging detection system provided by the present invention. The system is applied to the above-mentioned battery bulging detection device and the above-mentioned electronic equipment. The system includes:

an acquisition unit 101 for acquiring the deformation degree of the fabric sensor 11;

The bulging determination unit 102 is used to obtain the bulging degree of the battery according to the deformation degree of the fabric sensor 11;

The battery control unit 103 is configured to control the battery to stop using when the degree of bulging is not within the preset range.

In order to solve the above technical problems, the present application also provides a battery bulging detection system. For the introduction of the battery bulging detection system, please refer to the above-mentioned embodiments, which will not be repeated in this application.

It should be noted that in this specification, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply these entities or operations There is no such actual relationship or order between them. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass non-exclusive inclusion such that a process, method, article or device comprising a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus. Without further limitation, an element qualified by the phrase "comprising a..." does not preclude the presence of additional identical elements in a process, method, article or apparatus that includes the element.

Professionals may further realize that the units and algorithm steps of each example described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, computer software, or a combination of the two, in order to clearly illustrate the possibilities of hardware and software. Interchangeability, the above description has generally described the components and steps of each example in terms of functionality. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the technical solution. Skilled artisans may implement the described functionality using different methods for each particular application, but such implementations should not be considered beyond the scope of the present invention.

The above description of the disclosed embodiments enables 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 implemented in other embodiments without departing from the spirit or scope of the present 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 (17)

1. A battery bulge detection device, comprising:

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.

2. The battery bulge detection device of claim 1, wherein 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.

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;

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.

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

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.

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

a conductive core wire;

and the resistance sensing part is covered on the surface of the 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;

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.

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;

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.

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:

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

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:

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.

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