CN113884265B - Battery collision safety detection method, device, apparatus, medium and program product - Google Patents
Battery collision safety detection method, device, apparatus, medium and program product Download PDFInfo
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- CN113884265B CN113884265B CN202111064504.6A CN202111064504A CN113884265B CN 113884265 B CN113884265 B CN 113884265B CN 202111064504 A CN202111064504 A CN 202111064504A CN 113884265 B CN113884265 B CN 113884265B
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- G—PHYSICS
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- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/08—Shock-testing
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
- H01M10/488—Cells or batteries combined with indicating means for external visualization of the condition, e.g. by change of colour or of light density
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- 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
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- 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
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Abstract
The application provides a method, a device, equipment, a medium and a program product for detecting the collision safety of a battery. The conventional means of voltage, current and temperature detection is replaced by optical inspection, so that the technical problems that the protection structure of the battery in the prior art is heavy, early warning is sent after the battery is collided and damaged, the risk avoiding time reserved for a user is very short, and the early warning sensitivity is too low are solved. The technical effects of giving early warning in advance before the battery is irreversibly damaged due to collision and extrusion, and giving enough risk avoiding time and active intervention taking time to a user are achieved.
Description
Technical Field
The present application relates to the field of battery technologies, and in particular, to a method, apparatus, device, medium, and program product for detecting battery collision safety.
Background
In recent years, with the continuous development of new energy electric automobile technology, new energy electric automobile markets with pure electric automobiles, plug-in hybrid electric automobiles and fuel cell automobiles as cores are gradually formed. All three are provided with power battery systems with different electric quantity and high energy density.
The battery core forming the core unit of the power battery system for the vehicle has the characteristic of being afraid of extrusion, and can only be improved by adding a heavy structural protection design at present, but the method can cause obvious material waste and weight increase of the power battery pack, and can not actively remind when the key structure of the power battery pack changes. Another method is to determine whether the battery has been damaged by detecting the voltage, current and temperature of the battery, but this method can only give an early warning after the battery has been seriously damaged, and once the battery has been damaged, it can cause the vehicle to fire in a very short time, so that the occupants on the vehicle have insufficient risk avoidance time.
Therefore, the protection structure of the battery is heavy in the prior art, and the early warning is sent out after the battery is collided and damaged, so that the risk avoiding time reserved for a user is very short, and the technical problem of low early warning sensitivity is solved.
Disclosure of Invention
The application provides a battery collision safety detection method, device, equipment, medium and program product, which are used for solving the technical problems that the protection structure of a battery is heavy, an early warning is sent out after the battery is damaged due to collision, the risk avoiding time reserved for a user is very short, and the early warning sensitivity is too low in the prior art.
In a first aspect, the present application provides a battery collision safety detection method, comprising:
acquiring the receiving azimuth of the detection light beam in a preset receiving area, wherein the detection light beam reaches the preset receiving area from a preset starting position through a preset detection path;
Determining the collision safety state of the battery according to the receiving direction;
and determining a corresponding preset response mode according to the collision safety state.
In one possible design, the receiving azimuth includes detecting an irradiation position of the light beam in a preset receiving area, the preset receiving area includes a safety area and a warning area, and determining a collision safety state of the battery according to the receiving azimuth includes:
if the irradiation position is in the safety zone, determining that the collision safety state is a normal state;
Correspondingly, the preset response mode comprises the following steps: does not make an early warning prompt;
If the irradiation position is in the warning area or on the boundary of the safety area, determining that the collision safety state is a warning state;
Correspondingly, the preset response mode comprises the following steps: and sending an early warning prompt to the user.
In one possible design, the warning zone includes a light collision zone and a heavy collision zone, and determining that the collision safety state is a warning state if the irradiation position is within the warning zone or on the boundary of the safety zone includes:
If the irradiation position is in the light collision zone or the junction between the light collision zone and the safety zone, determining that the collision safety state is light collision;
Correspondingly, the preset response mode comprises the following steps: displaying prompt information corresponding to the light collision;
If the irradiation position is in the heavy collision zone or the junction between the light collision zone and the heavy collision zone, determining that the collision safety state is heavy collision;
correspondingly, the preset response mode comprises the following steps: and entering an alarm mode so as to enable the user to immediately take safety risk avoiding measures.
In one possible design, the preset detection paths are distributed in a protective layer of the battery, the protective layer being arranged on at least one side of the battery.
Optionally, the preset detection path includes at least one turning point, and the detection beam deflects the propagation direction at each turning point.
In one possible design, before acquiring the receiving position of the detection beam in the preset receiving area, the method further includes:
acquiring a detection signal of the light receiver, and judging whether a detection light beam is received or not according to the detection signal;
If not, outputting preset warning information;
if yes, determining the receiving direction according to the detection signal.
Optionally, before outputting the preset warning information, the method further includes:
judging whether a light emitter or a light receiver for detecting the light beam works normally or not;
If not, outputting first prompt information;
if yes, outputting preset warning information and/or outputting a forced stopping instruction so as to stop the operation of the using object of the carrying battery.
In one possible design, the receiving azimuth includes: at least one of directions in which the detection light beam is incident on the preset receiving area and irradiation positions of the detection light beam on the preset receiving area.
In a second aspect, the present application provides a battery collision safety detection apparatus comprising:
the acquisition module is used for acquiring the receiving direction of the detection light beam in the preset receiving area, and the detection light beam reaches the preset receiving area from the preset starting position through a preset detection path;
The processing module is used for determining the collision safety state of the battery according to the receiving direction; and determining a corresponding preset response mode according to the collision safety state.
In one possible design, the receiving direction includes an irradiation position of the detection beam in a preset receiving area, the preset receiving area includes a safety area and a warning area, and the processing module is specifically configured to:
if the irradiation position is in the safety zone, determining that the collision safety state is a normal state; correspondingly, the preset response mode comprises the following steps: does not make an early warning prompt;
If the irradiation position is in the warning area or on the boundary of the safety area, determining that the collision safety state is a warning state; correspondingly, the preset response mode comprises the following steps: and sending an early warning prompt to the user.
In one possible design, the warning zone includes a light collision zone and a heavy collision zone, and if the irradiation position is within the warning zone or on the boundary of the safety zone, the processing module is specifically configured to:
If the irradiation position is in the light collision zone or the junction between the light collision zone and the safety zone, determining that the collision safety state is light collision; correspondingly, the preset response mode comprises the following steps: displaying prompt information corresponding to the light collision;
If the irradiation position is in the heavy collision zone or the junction between the light collision zone and the heavy collision zone, determining that the collision safety state is heavy collision; correspondingly, the preset response mode comprises the following steps: and entering an alarm mode so as to enable the user to immediately take safety risk avoiding measures.
In one possible design, the preset detection paths are distributed in a protective layer of the battery, the protective layer being arranged on at least one side of the battery.
Optionally, the preset detection path includes at least one turning point, and the detection beam deflects the propagation direction at each turning point.
In one possible design, the acquisition module is further configured to acquire a detection signal of the optical receiver;
the processing module is also used for judging whether the detection light beam is received or not according to the detection signal; if not, outputting preset warning information; if yes, determining the receiving direction according to the detection signal.
Optionally, the processing module is further configured to determine whether the light emitter or the light receiver for detecting the light beam works normally;
If not, outputting first prompt information;
if yes, outputting preset warning information and/or outputting a forced stopping instruction so as to stop the operation of the using object of the carrying battery.
In one possible design, the receiving azimuth includes: at least one of directions in which the detection light beam is incident on the preset receiving area and irradiation positions of the detection light beam on the preset receiving area.
In a third aspect, the present application provides an electronic device comprising:
a memory for storing program instructions;
And a processor for calling and executing program instructions in the memory to perform any one of the possible battery collision safety detection methods provided in the first aspect.
In a fourth aspect, the present application provides a battery protection device comprising: a battery protection layer, at least one optical transmitter, and at least one optical receiver;
wherein the light emitter and the light receiver are arranged in the battery protection layer;
The light emitter is used for emitting detection light beams, and the detection light beams propagate in the battery protection layer according to a preset detection path;
the light receiver is used for receiving the detection light beam and transmitting the detection light beam to the electronic device provided by the third aspect at the receiving position of the preset receiving area.
In one possible design, the battery protection layer includes: the device comprises an upper bottom plate and a lower bottom plate, wherein a preset detection path is distributed between the upper bottom plate and the lower bottom plate.
Optionally, the battery protection layer further includes: the shape of the preset detection path is a broken line, and turning points of the broken line are arranged on the plurality of middle reinforcing ribs.
In one possible design, the preset detection path includes a plurality of sub-paths, and the plurality of sub-paths form at least one grid surface. The start and end points of each sub-path correspond to an optical transmitter and an optical receiver.
Alternatively, when the shape of the mesh surface is the same as or similar to the shape of the protective layer, the volume of the protective layer may be reduced.
Optionally, when the shape of the grid surface is different from the shape of the protective layer, a preset detection path of the detection light beam can be set only in the key protective area, so that the arrangement of the detection light beam is reduced, and energy and resources are saved.
In a fifth aspect, the present application provides a vehicle comprising: any one of the possible battery protection devices provided in the fourth aspect.
In a sixth aspect, the present application provides a storage medium having stored therein a computer program for executing any one of the possible battery collision safety detection methods provided in the first aspect.
In a seventh aspect, the present application also provides a computer program product comprising a computer program which, when executed by a processor, implements any one of the possible battery collision safety detection system methods provided in the first aspect.
The application provides a method, a device, equipment, a medium and a program product for detecting the collision safety of a battery. The conventional means of voltage, current and temperature detection is replaced by optical inspection, so that the technical problems that the protection structure of the battery in the prior art is heavy, early warning is sent after the battery is collided and damaged, the risk avoiding time reserved for a user is very short, and the early warning sensitivity is too low are solved. The technical effects of giving early warning in advance before the battery is irreversibly damaged due to collision and extrusion, and giving enough risk avoiding time and active intervention taking time to a user are achieved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the application and together with the description, serve to explain the principles of the application.
FIGS. 1a-1c are schematic structural diagrams of a battery protection device according to an embodiment of the present application;
fig. 2 is a schematic flow chart of a method for detecting battery collision safety according to an embodiment of the present application;
Fig. 3a-3b are schematic diagrams illustrating a preset receiving area according to an embodiment of the present application;
fig. 4 is a flowchart of another battery collision safety detection method according to an embodiment of the present application;
fig. 5a-5b are schematic diagrams illustrating another preset receiving area according to an embodiment of the present application;
fig. 6 is a schematic structural diagram of a battery collision safety detection device according to an embodiment of the present application;
fig. 7 is a schematic structural diagram of an electronic device according to the present application.
Specific embodiments of the present application have been shown by way of the above drawings and will be described in more detail below. The drawings and the written description are not intended to limit the scope of the inventive concepts in any way, but rather to illustrate the inventive concepts to those skilled in the art by reference to the specific embodiments.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, including but not limited to combinations of embodiments, which are within the scope of the application, can be made by one of ordinary skill in the art without inventive effort based on the embodiments of the application.
The terms "first," "second," "third," "fourth" and the like in the description and in the claims and in the above drawings, if any, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the application described herein may be implemented, for example, in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The battery core forming the core unit of the power battery system for the vehicle has the characteristic of being afraid of extrusion, and can only be improved by adding a heavy structural protection design at present, but the method can cause obvious material waste and weight increase of the power battery pack, and can not actively remind when the key structure of the power battery pack changes. Another method is to determine whether the battery has been damaged by detecting the voltage, current and temperature of the battery, but this method can only give an early warning after the battery has been seriously damaged, and once the battery has been damaged, it can cause the vehicle to fire in a very short time, so that the occupants on the vehicle have insufficient risk avoidance time.
To solve the above problems, the inventive concept of the present application is:
The protective structure is made hollow, i.e. the battery protection layer is hollow, or made of light-weight light-guiding material. One or more optical transmitters and one or more optical receivers are then placed at different locations within the battery protection layer. The light emitter sends a detection light beam, such as laser, to propagate along a preset path in the protective layer, and if the protective layer is deformed by extrusion, the propagation path of the detection light beam, that is, the preset detection path, will be changed, so that the direction and/or the position of the received detection light beam cannot be received or is offset by the light receiver. Because the precision of light is higher, consequently, just can detect the impact of collision to the battery at the battery protection layer at the initial stage of collision, solved prior art detection voltage, electric current, temperature all need the battery take place to damage the back, only detect, lead to leaving for the problem that the danger avoiding time of user is short.
The following describes the technical scheme of the present application and how the technical scheme of the present application solves the above technical problems in detail with specific embodiments. The following embodiments may be combined with each other, and the same or similar concepts or processes may not be described in detail in some embodiments. Embodiments of the present application will be described below with reference to the accompanying drawings.
Fig. 1a-1c are schematic structural diagrams of a battery protection device according to an embodiment of the present application. Fig. 1a is a side view, as shown in fig. 1a, of the battery protection device 10 including: a battery protection layer 11, at least one light emitter 12 and at least one light receiver 13.
Wherein the light emitter 12 and the light receiver 13 are disposed in the battery protection layer 11;
the light emitter 12 is configured to emit a detection light beam (such as a laser), and the detection light beam propagates in the battery protection layer 11 according to a preset detection path;
the light receiver 13 is configured to receive the detection light beam and transmit the detection light beam to the control unit or the battery controller at a receiving position of a preset receiving area.
The battery protection layer 11 is provided on at least one side of the periphery of the battery 20. When the battery is a vehicle power battery, it is typically mounted on the vehicle chassis, and the battery protection layer 11 is disposed at the bottom of the battery, i.e., the battery protection layer is at the outermost side of the vehicle chassis facing the ground.
As shown in fig. 1b, in one possible design, the battery protection layer 11 includes: the preset detection paths are distributed between the upper base plate 111 and the lower base plate 112, and the upper base plate 111 and the lower base plate 112 are connected to each other. The detection beam is emitted from the light emitter 12, and finally reaches the light receiver 13 through multiple reflections or refractions between the upper plate 111 and the lower plate 112.
It should be noted that the sides of the upper base plate 111 and the lower base plate 112 opposite to the battery protection layer 11 may be entirely coated with a reflective coating, or a reflective sheet or a refractive sheet may be provided only at the reflection or refraction site or a reflective coating may be coated.
Fig. 1c is a top view of the battery protection device 10, as shown in fig. 1c, in one possible design, the battery protection layer further comprises: the shape of the preset detection path is a broken line, and turning points of the broken line are on the plurality of middle reinforcing ribs 14.
It should be noted that, the light emitter 12 and the light receiver 13 may be disposed on a plurality of surfaces and may emit or receive the detection light beams, so that a flexible layout of the multi-layer preset detection paths may be implemented, so that the detection granularity of the battery protection device 10 for the position of the collision deformation is smaller, that is, the precision of the detection of the collision position is improved, so as to implement the accurate detection of the collision position, and break the technical barrier that only the collision can be identified but the collision position cannot be identified in the prior art.
It should also be noted that in one possible design, the preset detection path includes a plurality of sub-paths, and the plurality of sub-paths form at least one mesh surface. The start and end of each sub-path corresponds to an optical transmitter 12 and an optical receiver 13.
Alternatively, when the shape of the mesh surface is the same as or similar to the shape of the protective layer, the volume of the protective layer may be reduced.
Optionally, when the shape of the grid surface is different from the shape of the protective layer, a preset detection path of the detection light beam can be set only in the key protective area, so that the arrangement of the detection light beam is reduced, and energy and resources are saved.
A detailed description will be given of how to implement the battery collision safety detection method provided by the present application.
Fig. 2 is a schematic flow chart of a battery collision safety detection method according to an embodiment of the present application.
As shown in fig. 2, the specific steps of the battery collision safety detection method include:
s201, acquiring the receiving direction of the detection light beam in a preset receiving area.
In this step, the detection beam reaches the preset receiving area from the preset starting position through the preset detection path. Specifically, one or more light emitters at preset starting positions emit one or more detection light beams such as laser light to a preset direction, as shown in fig. 1a-1c, the detection light beams reach a receiving range of the light receiver through multiple reflection, refraction or direct irradiation, namely a preset receiving area, the detection light beams are detected by the light receiver, and the light receiver sends detection signals to the controller, so that the controller obtains the receiving direction of the detection light beams.
The reception azimuth includes: at least one of directions in which the detection light beam is incident on the preset receiving area and irradiation positions of the detection light beam on the preset receiving area. It should be noted that, the number of the detection beams may be one or more, the number of the preset detection paths may be one or more, and even the propagation paths of the plurality of detection beams, that is, the preset detection paths, may be interwoven into a mesh shape, that is, a mesh surface is formed, and the mesh surface may be used as an early warning trigger surface for collision, extrusion and deformation.
In this embodiment, the receiving direction includes detecting an irradiation position of the light beam in a preset receiving area, where the preset receiving area includes a safety area and a warning area.
In one possible design, when the preset receiving area is the photosensitive range of one light receiver, the safety area and the warning area have a common boundary, that is, the safety area is adjacent to the warning area. When the preset receiving area is the photosensitive range of the plurality of light receivers, the safety area and the warning area have no public boundary, namely are not adjacent.
Fig. 3a-3b are schematic diagrams illustrating a preset receiving area according to an embodiment of the present application. As shown in fig. 3a, the preset receiving area may be divided into a safety area 31 and a warning area 32, where the safety area 31 is inside the warning area 32 and the geometric centers of the two areas coincide.
More generally, as shown in fig. 3b, the safety zone 31 and the alert zone 32 are adjacent, both having a common boundary.
The above examples are for illustration, the safety zone 31 and the warning zone 32 may be flexibly arranged, i.e. the positions of the light emitters and the light receivers may be flexibly arranged according to the actual scene.
The detection beam includes a beam with good focusing or linearity, such as a laser generated by a semiconductor.
S202, determining the collision safety state of the battery according to the receiving direction.
In this step, the crash-safe state is used to indicate the degree of crash deformation of the battery protection layer on at least one side around the battery.
If the irradiation position is in the safety area, the collision safety state is determined to be a normal state, namely no collision occurs or the deformation degree caused by the collision is low, and the normal use of the battery is not influenced.
If the irradiation position is in the warning area or on the boundary of the safety area, the collision safety state is determined to be the warning state, namely, a dangerous state which is enough to influence the normal use of the battery and possibly even cause the structural damage of the battery to cause liquid leakage or combustion occurs, and the user needs to be notified immediately.
S203, determining a corresponding preset response mode according to the collision safety state.
In this step, when the collision safety state is a normal state, the preset response means includes: and does not give an early warning prompt. Or give a prompt message that the battery state is normal.
When the collision safety state is an alarm state, the preset response mode comprises the following steps: and sending an early warning prompt to the user.
The embodiment provides a battery collision safety detection method, which comprises the steps of obtaining the receiving direction of a detection light beam in a preset receiving area, enabling the detection light beam to reach the preset receiving area from a preset starting position through a preset detection path, determining the collision safety state of a battery according to the receiving direction, and determining a corresponding preset response mode according to the collision safety state. The conventional means of voltage, current and temperature detection is replaced by optical inspection, so that the technical problems that the protection structure of the battery in the prior art is heavy, early warning is sent after the battery is collided and damaged, the risk avoiding time reserved for a user is very short, and the early warning sensitivity is too low are solved. The technical effects of giving early warning in advance before the battery is irreversibly damaged due to collision and extrusion, and giving enough risk avoiding time and active intervention taking time to a user are achieved.
Fig. 4 is a schematic flow chart of another battery collision safety detection method according to the embodiment of the present application. As shown in fig. 4, the specific steps of the battery collision safety detection method include:
s401, obtaining a detection signal of the light receiver, and judging whether a detection light beam is received or not according to the detection signal.
In this step, if yes, step S402 is executed, and if no, step S405 is executed.
In this embodiment, one or more light emitters at preset starting positions emit one or more detection light beams, such as laser light, in a preset direction, as shown in fig. 1a-1c, where the detection light beams propagate to a receiving range of the light receiver, that is, a preset receiving area, through a preset detection path, and are detected by the light receiver, and the light receiver sends a detection signal thereof to the controller, so that the controller obtains a receiving direction of the detection light beams.
In one possible design, the preset detection paths are distributed in a protective layer of the battery, the protective layer being arranged on at least one side of the battery.
Optionally, the preset detection path includes at least one turning point, and the detection beam deflects the propagation direction at each turning point.
S402, judging whether the light emitter or the light receiver for detecting the light beam works normally.
In this step, if yes, step S403 is executed, and if no, step S404 is executed.
S403, outputting the first prompt information.
In this step, the first prompt message is used to prompt the user that the light emitter or the light receiver is faulty and needs to be repaired or replaced.
S404, outputting preset warning information and/or outputting a forced stopping instruction so as to stop the operation of the using object of the carrying battery.
In this step, the optical transmitter or the optical receiver can work normally, which means that the deformation of the protective layer is serious due to the collision, and the propagation path of the detection beam, that is, the preset detection path is directly cut off. Therefore, preset warning information such as vibration warning, audio warning and visual warning is sent to a user immediately, and even a forced stopping instruction can be directly sent to a whole vehicle controller of the vehicle, so that the vehicle is stopped by the side immediately, and the vehicle door is unlocked.
S405, determining the receiving direction of the detection light beam according to the detection signal.
In this step, the reception azimuth includes: at least one of directions in which the detection light beam is incident on the preset receiving area and irradiation positions of the detection light beam on the preset receiving area.
In this embodiment, the preset receiving area includes a safety area and a warning area, and the warning area includes a light collision area and a heavy collision area.
In one possible design, when the preset receiving area is the photosensitive range of one light receiver, the safety area and the warning area have a common boundary, that is, the safety area is adjacent to the warning area. When the preset receiving area is the photosensitive range of the plurality of light receivers, the safety area and the warning area have no public boundary, namely are not adjacent.
Similarly, when the warning area is the photosensitive range of one light receiver, the light collision area and the heavy collision area have a common boundary, namely, the light collision area is adjacent to the heavy collision area. When the preset receiving area is the sensitization range of the plurality of light receivers, the light collision area and the heavy collision area have no public boundary, namely are not adjacent.
Fig. 5a-5b are schematic diagrams illustrating another preset receiving area according to an embodiment of the present application. As shown in fig. 5a, the preset receiving area includes: a safety zone 51, a light impact zone 521, and a heavy impact zone 522. The safety zone 51 is inside the light collision zone 521 with the geometric centers of the two coincident, and the light collision zone 521 is again inside the heavy collision zone 522 with the geometric centers of the two coincident.
More generally, as shown in fig. 5b, the safety zone 51, the light collision zone 521 and the heavy collision zone 522 have a common boundary, but the geometric centers thereof, or the position distribution of the three are not necessarily coincident, and the relative positions of the three regions can be set by those skilled in the art according to actual needs, which is not limited by the present application. This may increase flexibility in the placement of the optical transmitter and optical receiver.
S406, determining the collision safety state of the battery according to the receiving direction.
In the step, if the irradiation position is in the safety zone, determining that the collision safety state is a normal state; if the irradiation position is in the warning area or on the boundary of the safety area, the collision safety state is determined to be the warning state.
Further, if the irradiation position is in the light collision zone or the junction of the light collision zone and the safety zone, determining that the collision safety state is light collision; if the irradiation position is in the heavy collision zone or the junction between the light collision zone and the heavy collision zone, determining that the collision safety state is heavy collision.
S407, determining a corresponding preset response mode according to the collision safety state.
In this step, when the collision safety state is a normal state, the preset response means includes: and does not give an early warning prompt. Or give a prompt message that the battery state is normal.
When the collision safety state is a light collision, the preset response modes comprise: and displaying prompt information corresponding to the light collision.
When the collision safety state is a heavy collision, the preset response modes comprise: and entering an alarm mode so as to enable the user to immediately take safety risk avoiding measures.
The embodiment provides a battery collision safety detection method, which comprises the steps of obtaining the receiving direction of a detection light beam in a preset receiving area, enabling the detection light beam to reach the preset receiving area from a preset starting position through a preset detection path, determining the collision safety state of a battery according to the receiving direction, and determining a corresponding preset response mode according to the collision safety state. The conventional means of voltage, current and temperature detection is replaced by optical inspection, so that the technical problems that the protection structure of the battery in the prior art is heavy, early warning is sent after the battery is collided and damaged, the risk avoiding time reserved for a user is very short, and the early warning sensitivity is too low are solved. The technical effects of giving early warning in advance before the battery is irreversibly damaged due to collision and extrusion, and giving enough risk avoiding time and active intervention taking time to a user are achieved.
Fig. 6 is a schematic structural diagram of a battery collision safety detection device according to an embodiment of the present application. The battery collision safety detection device 600 may be implemented by software, hardware, or a combination of both.
As shown in fig. 6, the battery collision safety detection apparatus 600 includes:
An obtaining module 601, configured to obtain a receiving direction of a detection beam in a preset receiving area, where the detection beam reaches the preset receiving area from a preset starting position through a preset detection path;
A processing module 602, configured to determine a collision safety state of the battery according to the receiving direction; and determining a corresponding preset response mode according to the collision safety state.
In one possible design, the receiving direction includes detecting an irradiation position of the light beam in a preset receiving area, where the preset receiving area includes a safety area and a warning area, and the processing module 602 is specifically configured to:
if the irradiation position is in the safety zone, determining that the collision safety state is a normal state; correspondingly, the preset response mode comprises the following steps: does not make an early warning prompt;
If the irradiation position is in the warning area or on the boundary of the safety area, determining that the collision safety state is a warning state; correspondingly, the preset response mode comprises the following steps: and sending an early warning prompt to the user.
In one possible design, the warning area includes a light collision area and a heavy collision area, and if the irradiation position is within the warning area or on the boundary of the safety area, the processing module 602 is specifically configured to:
If the irradiation position is in the light collision zone or the junction between the light collision zone and the safety zone, determining that the collision safety state is light collision; correspondingly, the preset response mode comprises the following steps: displaying prompt information corresponding to the light collision;
If the irradiation position is in the heavy collision zone or the junction between the light collision zone and the heavy collision zone, determining that the collision safety state is heavy collision; correspondingly, the preset response mode comprises the following steps: and entering an alarm mode so as to enable the user to immediately take safety risk avoiding measures.
In one possible design, the preset detection paths are distributed in a protective layer of the battery, the protective layer being arranged on at least one side of the battery.
Optionally, the preset detection path includes at least one turning point, and the detection beam deflects the propagation direction at each turning point.
In one possible design, the acquiring module 601 is further configured to acquire a detection signal of the optical receiver;
the processing module 602 is further configured to determine whether a detection beam is received according to the detection signal; if not, outputting preset warning information; if yes, determining the receiving direction according to the detection signal.
Optionally, the processing module 602 is further configured to determine whether the light emitter or the light receiver of the detection light beam is working normally; if not, outputting first prompt information; if yes, outputting preset warning information and/or outputting a forced stopping instruction so as to stop the operation of the using object of the carrying battery.
In one possible design, the receiving azimuth includes: at least one of directions in which the detection light beam is incident on the preset receiving area and irradiation positions of the detection light beam on the preset receiving area.
It should be noted that, the apparatus provided in the embodiment shown in fig. 6 may perform the method provided in any of the above method embodiments, and the specific implementation principles, technical features, explanation of terms, and technical effects are similar, and are not repeated herein.
Fig. 7 is a schematic structural diagram of an electronic device according to an embodiment of the present application. As shown in fig. 7, the electronic device 700 may include: at least one processor 701 and a memory 702. Fig. 7 shows an electronic device, for example, a processor.
A memory 702 for storing programs. In particular, the program may include program code including computer-operating instructions.
The memory 702 may comprise high-speed RAM memory or may further comprise non-volatile memory (non-volatile memory), such as at least one disk memory.
The processor 701 is configured to execute computer-executable instructions stored in the memory 702 to implement the methods described in the above method embodiments.
The processor 701 may be a central processing unit (central processing unit, abbreviated as CPU), or an Application SPECIFIC INTEGRATED Circuit (ASIC), or one or more integrated circuits configured to implement embodiments of the present application.
Alternatively, the memory 702 may be separate or integrated with the processor 701. When the memory 702 is a device separate from the processor 701, the electronic device 700 may further include:
A bus 703 for connecting the processor 701 and the memory 702. The bus may be an industry standard architecture (industry standard architecture, abbreviated ISA) bus, an external device interconnect (PERIPHERAL COMPONENT, PCI) bus, or an extended industry standard architecture (extended industry standard architecture, EISA) bus, among others. Buses may be divided into address buses, data buses, control buses, etc., but do not represent only one bus or one type of bus.
Alternatively, in a specific implementation, if the memory 702 and the processor 701 are integrated on a single chip, the memory 702 and the processor 701 may communicate through an internal interface.
The embodiment of the application also provides a vehicle, which comprises: the battery protection device shown in fig. 1a-1 c.
Embodiments of the present application also provide a computer-readable storage medium, which may include: various media capable of storing program codes, such as a usb disk, a removable hard disk, a read-only memory (ROM), a random access memory (random access memory, RAM), a magnetic disk, or an optical disk, and specifically, the computer readable storage medium stores program instructions for the methods in the above method embodiments.
The embodiments of the present application also provide a computer program product comprising a computer program which, when executed by a processor, implements the method of the above-described method embodiments.
Other embodiments of the application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the application following, in general, the principles of the application and including such departures from the present disclosure as come within known or customary practice within the art to which the application pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.
It is to be understood that the application is not limited to the precise arrangements and instrumentalities shown in the drawings, which have been described above, and that various modifications and changes may be effected without departing from the scope thereof. The scope of the application is limited only by the appended claims.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the application.
Claims (10)
1. A battery collision safety detection method, characterized by comprising:
Acquiring a receiving direction of a detection light beam in a preset receiving area, wherein the detection light beam reaches the preset receiving area from a preset starting position through a preset detection path, the preset detection path comprises a plurality of turning points, and the detection light beam deflects the propagation direction at each turning point; when the number of the preset detection paths is multiple, the multiple preset detection paths are interwoven to form a grid surface; the preset detection paths are distributed in a protective layer of the battery, and the protective layer is arranged on at least one side of the battery;
Determining the collision safety state of the battery according to the receiving direction;
Determining a corresponding preset response mode according to the collision safety state;
The receiving direction comprises the irradiation position of the detection light beam in the preset receiving area, the preset receiving area comprises a safety area and a warning area, and the collision safety state of the battery is determined according to the receiving direction, and the method comprises the following steps:
if the irradiation position is in the safety zone, determining that the collision safety state is a normal state;
correspondingly, the preset response mode comprises the following steps: does not make an early warning prompt;
The warning area comprises a light collision area and a heavy collision area; if the irradiation position is in the light collision zone or on the boundary between the light collision zone and the safety zone, determining that the collision safety state is light collision;
correspondingly, the preset response mode comprises the following steps: displaying prompt information corresponding to the light collision;
if the irradiation position is in the heavy collision zone or on the junction of the light collision zone and the heavy collision zone, determining that the collision safety state is heavy collision;
correspondingly, the preset response mode comprises the following steps: entering an alarm mode to enable a user to immediately take safety risk avoidance measures;
before the receiving direction of the detection light beam in the preset receiving area is acquired, the method further comprises the following steps:
Acquiring a detection signal of a light receiver, and judging whether the detection light beam is received or not according to the detection signal;
if the detection light beam is not received, judging whether a light emitter or a light receiver of the detection light beam works normally or not;
if not, outputting first prompt information; if yes, outputting preset warning information and/or outputting a forced stopping instruction so as to stop the work of a using object carrying the battery;
And if the detection light beam is received, determining the receiving direction according to the detection signal.
2. The battery collision safety detection method according to claim 1, wherein the receiving the azimuth includes: at least one of a direction in which the detection beam is incident on the preset receiving area and an irradiation position of the detection beam on the preset receiving area.
3. A battery collision safety detection device, characterized by comprising:
The acquisition module is used for acquiring the receiving azimuth of the detection light beam in a preset receiving area, the detection light beam reaches the preset receiving area from a preset starting position through a preset detection path, the preset detection path comprises a plurality of turning points, and the detection light beam deflects the propagation direction at each turning point; when the number of the preset detection paths is multiple, the multiple preset detection paths are interwoven to form a grid surface; the preset detection paths are distributed in a protective layer of the battery, and the protective layer is arranged on at least one side of the battery;
The processing module is used for determining the collision safety state of the battery according to the receiving direction; determining a corresponding preset response mode according to the collision safety state;
The receiving direction comprises an irradiation position of the detection light beam in the preset receiving area, the preset receiving area comprises a safety area and a warning area, and the processing module is specifically used for determining that the collision safety state is a normal state if the irradiation position is in the safety area;
correspondingly, the preset response mode comprises the following steps: does not make an early warning prompt;
The warning area comprises a light collision area and a heavy collision area; if the irradiation position is in the light collision zone or on the boundary between the light collision zone and the safety zone, determining that the collision safety state is light collision;
correspondingly, the preset response mode comprises the following steps: displaying prompt information corresponding to the light collision;
if the irradiation position is in the heavy collision zone or on the junction of the light collision zone and the heavy collision zone, determining that the collision safety state is heavy collision;
correspondingly, the preset response mode comprises the following steps: entering an alarm mode to enable a user to immediately take safety risk avoidance measures;
before the receiving direction of the detection light beam in the preset receiving area is acquired, the method further comprises the following steps:
Acquiring a detection signal of a light receiver, and judging whether the detection light beam is received or not according to the detection signal;
if the detection light beam is not received, judging whether a light emitter or a light receiver of the detection light beam works normally or not;
if not, outputting first prompt information; if yes, outputting preset warning information and/or outputting a forced stopping instruction so as to stop the work of a using object carrying the battery;
And if the detection light beam is received, determining the receiving direction according to the detection signal.
4. An electronic device, comprising: a processor and a memory;
The memory is used for storing a computer program of the processor;
the processor is configured to execute the battery collision safety detection method according to claim 1 or 2 via execution of the computer program.
5. A battery protection device, comprising: a battery protection layer, at least one optical transmitter, and at least one optical receiver;
Wherein the light emitter and the light receiver are disposed in the battery protection layer;
The light emitter is used for emitting detection light beams, the detection light beams propagate in the battery protection layer according to a preset detection path, the preset detection path comprises at least one turning point, and the detection light beams deflect the propagation direction at each turning point;
The light receiver is configured to receive the detection light beam and send a receiving position of the detection light beam in a preset receiving area to the electronic device of claim 4.
6. The battery protection device of claim 5, wherein the battery protection layer comprises: the detection device comprises an upper bottom plate and a lower bottom plate, wherein the preset detection paths are distributed between the upper bottom plate and the lower bottom plate.
7. The battery protection device of claim 6, wherein the battery protection layer further comprises: the shape of the preset detection path is a broken line, and turning points of the broken line are on the plurality of middle reinforcing ribs.
8. A vehicle, characterized by comprising: a battery protection device as claimed in any one of claims 5 to 7.
9. A computer-readable storage medium, on which a computer program is stored, characterized in that the computer program, when executed by a processor, implements the battery collision safety detection method according to claim 1 or 2.
10. A computer program product comprising a computer program, characterized in that the computer program, when executed by a processor, implements the battery collision safety detection method of claim 1 or 2.
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| CN202111064504.6A CN113884265B (en) | 2021-09-10 | 2021-09-10 | Battery collision safety detection method, device, apparatus, medium and program product |
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