CN114166119A - Battery size measuring method, device, equipment and storage medium - Google Patents
Battery size measuring method, device, equipment and storage medium Download PDFInfo
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- CN114166119A CN114166119A CN202111435595.XA CN202111435595A CN114166119A CN 114166119 A CN114166119 A CN 114166119A CN 202111435595 A CN202111435595 A CN 202111435595A CN 114166119 A CN114166119 A CN 114166119A
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- 238000000034 method Methods 0.000 title claims abstract description 40
- 239000000523 sample Substances 0.000 claims description 19
- 238000013459 approach Methods 0.000 claims description 12
- 238000004513 sizing Methods 0.000 claims description 6
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- 238000000691 measurement method Methods 0.000 claims description 2
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- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
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- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920006255 plastic film Polymers 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/002—Measuring arrangements characterised by the use of optical techniques for measuring two or more coordinates
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/30—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces
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Abstract
The invention discloses a battery size measuring method, a device, equipment and a storage medium.A plurality of target points are selected on a first surface of a battery, equipotential points of the target points are determined on a second surface opposite to the first surface, the equipotential points are projections of the target points on the second surface, the distance between each target point and the corresponding equipotential points is measured, the size distribution of the battery is obtained, the battery size can be accurately measured, the concave-convex state of the surface of the battery is comprehensively reflected, data support is provided for module assembly, the problems of support bulging deformation, even battery bulging deformation and liquid leakage during module assembly are avoided, and the quality of the module is improved.
Description
Technical Field
The embodiment of the invention relates to a battery technology, in particular to a battery size measuring method, a device, equipment and a storage medium.
Background
The size and the large-area shape of the battery have great influence on the assembly of the module, the circulating pretightening force, the multiplying power performance and the heat conduction among the battery cores.
The size of the battery is the key size in the battery sorting and PACK assembling stages. At present, a flat thickness gauge, a height gauge and a vernier caliper are mainly adopted to measure the size of the battery. The flat thickness gauge can adjust the pressure value and measure the peak size of the battery in a pressed state; the height gauge measures local dimensions and is limited in depth and is not suitable for measuring samples with larger dimensions; the vernier caliper measures the local size, and the tester has a large influence on the result and low test precision. The measurement modes are all that the surface of the battery is idealized into a plane, so that the size of the battery is obtained. However, the actual surface of the battery is not an absolute plane but has concave-convex fluctuation, so that the size of the battery cannot be accurately reflected by the existing measurement mode, defective products can flow into a module line to be assembled, the size of the battery module exceeds the standard finally, the module plastic support bulges and deforms, the overall performance of the battery module is affected, and the battery bulges and deforms and leaks liquid even when the battery module is serious, so that the battery spontaneous combustion is caused.
Disclosure of Invention
The invention provides a battery size measuring method, a device, equipment and a storage medium, which are used for accurately measuring the size of a battery and comprehensively reflecting the concave-convex state of the surface of the battery.
In a first aspect, an embodiment of the present invention provides a battery size measurement method, including:
selecting a plurality of target points on a first surface of the battery;
determining an isocenter of the target point on a second surface opposite to the first surface, wherein the isocenter is a projection of the target point on the second surface;
and measuring the distance between each target point and the corresponding allelic point to obtain the size distribution of the battery.
Optionally, selecting a plurality of target points on the first surface of the battery includes:
any point on the first surface of the battery is coordinated to obtain the coordinate of any point on the first surface of the battery;
and selecting a plurality of target points on the first surface, and recording the coordinates of the target points.
Optionally, coordinating any point on the first surface of the battery includes:
selecting a local area with flatness larger than a preset flatness threshold value on the first surface of the battery;
randomly collecting a plurality of points in the local area by adopting three-coordinate equipment;
determining a reference plane where the local area is located based on the collected multiple points;
and establishing a space rectangular coordinate system by taking any point in the reference plane as an origin, taking any two vertical straight lines in the reference plane as a Y axis and a Z axis, and taking the straight line passing through the origin and perpendicular to the Y axis and the Z axis as an X axis.
Optionally, selecting a plurality of target points on the first surface, and recording coordinates of the target points, including:
selecting a plurality of target points on the first surface;
and determining (y, z) coordinates of the target point in the space rectangular coordinate system.
Optionally, determining the allelic point of the target point on a second surface opposite the first surface comprises:
finding a point on a second surface opposite the first surface that is the same as the (y, z) coordinate of the target point as the isocenter of the target point.
Optionally, measuring the distance between each target point and the corresponding allelic point to obtain the size distribution of the battery, including:
controlling a probe of the measuring equipment to approach and touch the target point along the X-axis direction, and acquiring coordinates of all the target points on the first surface;
controlling a probe of the measuring equipment to approach and touch the equal-position points along the X-axis direction, and collecting coordinates of all the equal-position points of the second surface;
and calculating the difference value of the X-axis coordinates of the target point and the corresponding equivalent point to obtain the distance between the target point and the corresponding equivalent point.
Optionally, the plurality of target points are distributed in a uniform grid on the first surface.
In a second aspect, an embodiment of the present invention further provides a battery size measuring apparatus, including:
the target point selection module is used for selecting a plurality of target points on the first surface of the battery;
an isocenter determining module, configured to determine an isocenter of the target point on a second surface opposite to the first surface, where the isocenter is a projection of the target point on the second surface;
and the measuring module is used for measuring the distance between each target point and the corresponding equipotential point to obtain the size distribution of the battery.
Optionally, the target point selecting module includes:
the coordinate submodule is used for coordinating any point on the first surface of the battery to obtain the coordinate of any point on the first surface of the battery;
and the target point selection submodule is used for selecting a plurality of target points on the first surface and recording the coordinates of the target points.
Optionally, the coordinating sub-module includes:
the area selection unit is used for selecting a local area with the flatness larger than a preset flatness threshold value on the first surface of the battery;
the acquisition unit is used for acquiring a plurality of points in the local area by adopting three-coordinate equipment;
the reference surface determining unit is used for determining a reference surface where the local area is located based on the collected multiple points;
and the coordinate system establishing unit is used for establishing a space rectangular coordinate system by taking any point in the reference plane as an origin, taking any two vertical straight lines in the reference plane as a Y axis and a Z axis, and taking the straight line which passes through the origin and is vertical to the Y axis and the Z axis as an X axis.
Optionally, the target point selection sub-module includes:
a target point selection unit for selecting a plurality of target points on the first surface;
a coordinate determination unit for determining (y, z) coordinates of the target point in the spatial rectangular coordinate system.
Optionally, the allele determination module includes:
and the equivalent point determining submodule is used for finding a point which is the same as the (y, z) coordinate of the target point on a second surface opposite to the first surface to serve as the equivalent point of the target point.
Optionally, the measurement module includes:
the first control sub-module is used for controlling a probe of the measuring equipment to approach and touch the target point along the X-axis direction and collecting coordinates of all the target points on the first surface;
the second control sub-module is used for controlling the probe of the measuring equipment to approach and touch the equal-location points along the X-axis direction and collecting coordinates of all the equal-location points on the second surface;
and the calculation submodule is used for calculating the difference value of the X-axis coordinates of the target point and the corresponding equal-location point to obtain the distance between the target point and the corresponding equal-location point.
In a third aspect, an embodiment of the present invention further provides a computer device, including:
one or more processors;
storage means for storing one or more programs;
when executed by the one or more processors, cause the one or more processors to implement a battery sizing method as provided in the first aspect of the invention.
In a fourth aspect, the embodiment of the present invention further provides a computer-readable storage medium, on which a computer program is stored, which when executed by a processor implements the battery size measuring method according to the first aspect of the present invention.
According to the cell size measuring method provided by the embodiment of the invention, a plurality of target points are selected on the first surface of the cell, the allelic points of the target points are determined on the second surface opposite to the first surface, the allelic points are projections of the target points on the second surface, and the distances between each target point and the corresponding allelic points are measured to obtain the size distribution of the cell. The measurement battery size that can be accurate reflects the unsmooth state on battery surface comprehensively, for module equipment provides data support, avoids appearing the support when module equipment and has bulged the deformation, the battery bulging deformation, the problem of weeping even, has improved the module quality.
Drawings
Fig. 1 is a flowchart of a battery size measuring method according to an embodiment of the present invention;
fig. 2A is a flowchart of a battery size measuring method according to a second embodiment of the present invention;
FIG. 2B is a schematic diagram of a spatial coordinate system according to an embodiment of the present invention;
fig. 2C is a schematic diagram illustrating selection of a target point according to an embodiment of the present invention;
FIG. 2D is a schematic diagram of an embodiment of an allele selection;
fig. 3 is a schematic structural diagram of a battery size measuring apparatus according to a third embodiment of the present invention;
fig. 4 is a schematic structural diagram of a computer device according to a fourth embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Example one
Fig. 1 is a flowchart of a method for measuring a battery size according to an embodiment of the present invention, where the present embodiment is applicable to a size measurement situation where concave and convex undulations exist on a battery surface, and the method can be executed by a device for measuring a battery size according to an embodiment of the present invention, where the device can be implemented by software and/or hardware, and is generally configured in a computer device, as shown in fig. 1, the method specifically includes the following steps:
s101, selecting a plurality of target points on the first surface of the battery.
In the embodiment of the invention, the battery can be a soft package lithium battery, and the soft package lithium battery is a liquid lithium ion battery which is sleeved with a layer of polymer shell. Structurally, the aluminum plastic film is adopted for packaging, so that the soft package battery can be blown and cracked at most under the condition of potential safety hazard, and finally can catch fire or smoke, but explosion can not occur.
In this embodiment of the present invention, the first surface may be any surface of a battery, and this embodiment of the present invention is not limited herein. A plurality of points can be arbitrarily chosen on the first surface as target points. The phenomenon of non-uniform size distribution is more severe on a large face (surface with a larger area) of the battery, and thus, in the embodiment of the present invention, the first surface may be one of the largest two surfaces of the battery. It should be noted that, in other embodiments of the present invention, the first surface may be any surface of a battery, and the embodiments of the present invention are not limited herein.
In the embodiment of the invention, in order to reflect the size distribution of the battery more accurately, the plurality of target points are selected and uniformly distributed on the first surface.
And S102, determining an allelic point of the target point on a second surface opposite to the first surface, wherein the allelic point is a projection of the target point on the second surface.
After a plurality of target points are selected on a first surface of the cell, the alleles of the target points are determined on a second surface opposite the first surface based on the locations of the target points. Wherein the allelic point is a projection of the target point on the second surface.
And S103, measuring the distance between each target point and the corresponding equipotential point to obtain the size distribution of the battery.
In the embodiment of the invention, after the target points and the corresponding equipotential points of the target points are obtained, the distance between each target point and the corresponding equipotential point is measured, so that the size distribution of the battery is obtained.
According to the cell size measuring method provided by the embodiment of the invention, a plurality of target points are selected on the first surface of the cell, the allelic points of the target points are determined on the second surface opposite to the first surface, the allelic points are projections of the target points on the second surface, and the distances between each target point and the corresponding allelic points are measured to obtain the size distribution of the cell. The measurement battery size that can be accurate reflects the unsmooth state on battery surface comprehensively, for module equipment provides data support, avoids appearing the support when module equipment and has bulged the deformation, the battery bulging deformation, the problem of weeping even, has improved the module quality.
Example two
Fig. 2A is a flowchart of a battery size measuring method according to a second embodiment of the present invention, which is further refined based on the first embodiment, and details a specific process of each step in the battery size measuring method are described in detail, as shown in fig. 2A, the method includes:
s201, any point on the first surface of the battery is coordinated to obtain the coordinate of any point on the first surface of the battery.
In the embodiment of the invention, a space rectangular coordinate system is established, and any point on the first surface of the battery is coordinated to obtain the coordinate of any point on the first surface of the battery.
In some embodiments of the present invention, the process of establishing the spatial rectangular coordinate system is as follows:
1. and selecting a local area with the flatness larger than a preset flatness threshold value on the first surface of the battery.
I.e. to select local areas of the first surface with a better flatness.
2. And (4) randomly acquiring a plurality of points in a local area by adopting a three-coordinate device.
With a three-coordinate apparatus, a plurality of points, for example, at least 3 different points, are arbitrarily acquired in the above-described local area.
3. And determining a reference plane where the local area is located based on the acquired plurality of points.
A plurality of points within the local area define a plane, which is defined as a reference plane.
4. And establishing a space rectangular coordinate system by taking any point in the reference plane as an origin, taking any two vertical straight lines in the reference plane as a Y axis and a Z axis, and taking the straight line which passes through the origin and is vertical to the Y axis and the Z axis as an X axis.
Fig. 2B is a schematic diagram of a spatial coordinate system according to an embodiment of the present invention, as shown in fig. 2B, for example, in an embodiment of the present invention, when an edge of the battery located on the first surface is located in a reference plane, and an edge perpendicular to the first surface is parallel to the X axis, in order to establish the spatial rectangular coordinate system, a vertex of the battery in the reference plane is taken as a coordinate origin O, and a straight line where three edges intersecting the vertex are located is taken as a coordinate axis to establish the spatial rectangular coordinate system.
In other embodiments of the present invention, a spatial rectangular coordinate system may be established by using any point in the reference plane as an origin, using any two straight lines perpendicular to the reference plane as the Y axis and the Z axis, and using a straight line passing through the origin and perpendicular to the Y axis and the Z axis as the X axis, which is not limited herein in the embodiments of the present invention.
S202, selecting a plurality of target points on the first surface, and recording coordinates of the target points.
After the space rectangular coordinate system is established, a plurality of target points are selected on the first surface, and the coordinates of the target points are recorded.
Illustratively, a plurality of target points are selected on the first surface, and the (y, z) coordinates of the target points in the spatial rectangular coordinate system are determined.
Fig. 2C is a schematic diagram of selecting a target point according to an embodiment of the present invention, as shown in fig. 2C, specifically, after the spatial rectangular coordinate system is established, a YOZ plane of the spatial rectangular coordinate system of the battery is gridded, the grid is composed of a plurality of parallel lines parallel to a Y axis and a plurality of parallel lines parallel to a Z axis in the YOZ plane, an intersection point of the lines is the target point, that is, the plurality of target points are uniformly distributed on the first surface in a grid manner, and a (Y, Z) coordinate of the target point in the spatial rectangular coordinate system is recorded.
And S203, finding a point which is the same as the (y, z) coordinate of the target point on a second surface opposite to the first surface to serve as the equal position point of the target point.
As mentioned before, the isocenter is the projection of the target point onto the second surface. Fig. 2D is a schematic diagram of selecting an allele according to an embodiment of the present invention, as shown in fig. 2D, in an embodiment of the present invention, a point with the same (y, z) coordinate as the target point is found on a second surface opposite to the first surface and is used as the allele of the target point.
Illustratively, for target point a (x1, y1, z1), where x1 is unknown, the corresponding allele a ' (x1 ', y1, z1), where x1 ' is unknown.
And S204, controlling a probe of the measuring equipment to approach and touch the target point along the X-axis direction, and collecting coordinates of all the target points on the first surface.
In an embodiment of the invention, the measuring device has a probe, which is movable.
Illustratively, in the embodiment of the present invention, after determining the (y, z) coordinate of the target point and the (y, z) coordinate of the corresponding isocenter, the probe of the measurement device is controlled to be perpendicular to the YOZ plane and to approach the battery along the X-axis direction of the battery until the end point of the probe contacts with the battery, the contact point is the target point, and the X-axis coordinate of the target point measured by the measurement device at this time is recorded. And circulating the steps to obtain the X-axis coordinates of all the target points.
S205, controlling a probe of the measuring equipment to approach and touch the equal-position points along the X-axis direction, and collecting coordinates of all the equal-position points of the second surface.
For example, in the embodiment of the present invention, after obtaining the X-axis coordinates of all target points, the probe of the measurement device is controlled to be perpendicular to the YOZ plane and approach the battery along the X-axis direction until the end point of the probe contacts the battery, where the contact point is the corresponding allele of the target point, and the X-axis coordinates of the allele measured by the measurement device at this time are recorded. And circulating in the way, and obtaining the X-axis coordinates of all the equal positions.
S206, calculating the difference value of the X-axis coordinates of the target point and the corresponding equal-position point to obtain the distance between the target point and the corresponding equal-position point.
And calculating the difference value between the X-axis coordinate of the target point and the X-axis coordinate of the corresponding allelic point, and taking the absolute value to obtain the distance between the target point and the corresponding allelic point. The distance between all target points and the corresponding equipotential points reflects the size distribution between the first surface and the second surface of the cell.
In the embodiment of the invention, in order to ensure that the probe is completely contacted with the battery, the acting force when the probe is contacted with the battery can be set, and when the acting force is greater than the threshold value, the probe is considered to be sufficiently contacted with the battery. Meanwhile, it should be noted that the threshold value needs to be set reasonably in order to avoid the battery from being deformed by the probe.
According to the cell size measuring method provided by the embodiment of the invention, a plurality of target points are selected on the first surface of the cell, the allelic points of the target points are determined on the second surface opposite to the first surface, the allelic points are projections of the target points on the second surface, and the distances between each target point and the corresponding allelic points are measured to obtain the size distribution of the cell. The measurement battery size that can be accurate reflects the unsmooth state on battery surface comprehensively, for module equipment provides data support, avoids appearing the support when module equipment and has bulged the deformation, the battery bulging deformation, the problem of weeping even, has improved the module quality.
EXAMPLE III
Fig. 3 is a schematic structural diagram of a battery size measuring apparatus according to a third embodiment of the present invention, as shown in fig. 3, the apparatus includes:
a target point selecting module 301, configured to select a plurality of target points on a first surface of a battery;
an iso-locus determining module 302, configured to determine an iso-locus of the target point on a second surface opposite to the first surface, where the iso-locus is a projection of the target point on the second surface;
a measuring module 303, configured to measure distances between each target point and the corresponding allelic point, so as to obtain a size distribution of the battery.
In some embodiments of the present invention, the target point selecting module 301 comprises:
the coordinate submodule is used for coordinating any point on the first surface of the battery to obtain the coordinate of any point on the first surface of the battery;
and the target point selection submodule is used for selecting a plurality of target points on the first surface and recording the coordinates of the target points.
In some embodiments of the invention, the coordinating sub-module comprises:
the area selection unit is used for selecting a local area with the flatness larger than a preset flatness threshold value on the first surface of the battery;
the acquisition unit is used for acquiring a plurality of points in the local area by adopting three-coordinate equipment;
the reference surface determining unit is used for determining a reference surface where the local area is located based on the collected multiple points;
and the coordinate system establishing unit is used for establishing a space rectangular coordinate system by taking any point in the reference plane as an origin, taking any two vertical straight lines in the reference plane as a Y axis and a Z axis, and taking the straight line which passes through the origin and is vertical to the Y axis and the Z axis as an X axis.
In some embodiments of the present invention, the target point selection sub-module includes:
a target point selection unit for selecting a plurality of target points on the first surface;
a coordinate determination unit for determining (y, z) coordinates of the target point in the spatial rectangular coordinate system.
In some embodiments of the invention, the allele determination module 302 comprises:
and the equivalent point determining submodule is used for finding a point which is the same as the (y, z) coordinate of the target point on a second surface opposite to the first surface to serve as the equivalent point of the target point.
In some embodiments of the invention, the measurement module 303 comprises:
the first control sub-module is used for controlling a probe of the measuring equipment to approach and touch the target point along the X-axis direction and collecting coordinates of all the target points on the first surface;
the second control sub-module is used for controlling the probe of the measuring equipment to approach and touch the equal-location points along the X-axis direction and collecting coordinates of all the equal-location points on the second surface;
and the calculation submodule is used for calculating the difference value of the X-axis coordinates of the target point and the corresponding equal-location point to obtain the distance between the target point and the corresponding equal-location point.
In some embodiments of the invention, the plurality of target points are distributed in a uniform grid on the first surface.
The battery size measuring device can execute the battery size measuring method provided by any embodiment of the invention, and has the corresponding functional modules and beneficial effects of executing the battery size measuring method.
Example four
A fourth embodiment of the present invention provides a computer device, and fig. 4 is a schematic structural diagram of the computer device provided in the fourth embodiment of the present invention, as shown in fig. 4, the computer device includes:
a processor 401, a memory 402, a communication module 403, an input device 404, and an output device 405; the number of the processors 401 in the mobile terminal may be one or more, and one processor 401 is taken as an example in fig. 4; the processor 401, the memory 402, the communication module 403, the input device 404 and the output device 405 in the mobile terminal may be connected by a bus or other means, and fig. 4 illustrates an example of a connection by a bus. The processor 401, memory 402, communication module 403, input device 404, and output device 405 described above may be integrated on a computer device.
The memory 402, which is a computer-readable storage medium, may be used to store software programs, computer-executable programs, and modules, such as the modules corresponding to the battery size measuring method in the above-described embodiments. The processor 401 executes various functional applications and data processing of the computer device by executing software programs, instructions and modules stored in the memory 402, that is, implements the above-described battery size measuring method.
The memory 402 may mainly include a program storage area and a data storage area, wherein the program storage area may store an operating system, an application program required for at least one function; the storage data area may store data created according to use of the microcomputer, and the like. Further, the memory 402 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device. In some examples, the memory 402 may further include memory located remotely from the processor 401, which may be connected to an electronic device through a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
And a communication module 403, configured to establish a connection with an external device (e.g., an intelligent terminal), and implement data interaction with the external device. The input device 404 may be used to receive input numeric or character information and generate key signal inputs related to user settings and function controls of the computer apparatus.
The computer device provided by the embodiment can execute the battery size measuring method provided by any of the above embodiments of the invention, and has corresponding functions and beneficial effects.
EXAMPLE five
An embodiment of the present invention provides a storage medium containing computer-executable instructions, where a computer program is stored on the storage medium, and when the computer program is executed by a processor, the method for measuring a battery size according to any of the above embodiments of the present invention is implemented, where the method includes:
selecting a plurality of target points on a first surface of the battery;
determining an isocenter of the target point on a second surface opposite to the first surface, wherein the isocenter is a projection of the target point on the second surface;
and measuring the distance between each target point and the corresponding allelic point to obtain the size distribution of the battery.
It should be noted that, as for the apparatus, the device and the storage medium embodiments, since they are basically similar to the method embodiments, the description is relatively simple, and in relevant places, reference may be made to the partial description of the method embodiments.
From the above description of the embodiments, it is obvious for those skilled in the art that the present invention can be implemented by software and necessary general hardware, and certainly, can also be implemented by hardware, but the former is a better embodiment in many cases. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which may be stored in a computer-readable storage medium, such as a floppy disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a FLASH Memory (FLASH), a hard disk or an optical disk of a computer, and includes instructions for enabling a computer device (which may be a robot, a personal computer, a server, or a network device) to execute the battery size measuring method according to any embodiment of the present invention.
It should be noted that, in the above apparatus, each module, sub-module, and unit included in the apparatus is only divided according to functional logic, but is not limited to the above division as long as the corresponding function can be implemented; in addition, the specific names of the functional modules are only for convenience of distinguishing from each other and are not used for limiting the protection scope of the present invention.
It should be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by suitable instruction execution devices. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. A battery sizing method, comprising:
selecting a plurality of target points on a first surface of the battery;
determining an isocenter of the target point on a second surface opposite to the first surface, wherein the isocenter is a projection of the target point on the second surface;
and measuring the distance between each target point and the corresponding allelic point to obtain the size distribution of the battery.
2. The method of claim 1, wherein selecting a plurality of targets on the first surface of the battery comprises:
any point on the first surface of the battery is coordinated to obtain the coordinate of any point on the first surface of the battery;
and selecting a plurality of target points on the first surface, and recording the coordinates of the target points.
3. The battery size measuring method according to claim 2, wherein the coordinating any one point on the first surface of the battery includes:
selecting a local area with flatness larger than a preset flatness threshold value on the first surface of the battery;
randomly collecting a plurality of points in the local area by adopting three-coordinate equipment;
determining a reference plane where the local area is located based on the collected multiple points;
and establishing a space rectangular coordinate system by taking any point in the reference plane as an origin, taking any two vertical straight lines in the reference plane as a Y axis and a Z axis, and taking the straight line passing through the origin and perpendicular to the Y axis and the Z axis as an X axis.
4. The battery size measurement method of claim 3, wherein selecting a plurality of target points on the first surface and recording coordinates of the target points comprises:
selecting a plurality of target points on the first surface;
and determining (y, z) coordinates of the target point in the space rectangular coordinate system.
5. The battery sizing method of claim 4, wherein determining the allelic point of the target point on a second surface opposite the first surface comprises:
finding a point on a second surface opposite the first surface that is the same as the (y, z) coordinate of the target point as the isocenter of the target point.
6. The method for measuring the size of a battery according to any one of claims 3 to 5, wherein measuring the distance between each target point and the corresponding allelic point to obtain the size distribution of the battery comprises:
controlling a probe of the measuring equipment to approach and touch the target point along the X-axis direction, and acquiring coordinates of all the target points on the first surface;
controlling a probe of the measuring equipment to approach and touch the equal-position points along the X-axis direction, and collecting coordinates of all the equal-position points of the second surface;
and calculating the difference value of the X-axis coordinates of the target point and the corresponding equivalent point to obtain the distance between the target point and the corresponding equivalent point.
7. The battery sizing method according to any of claims 1-5, wherein a plurality of the target points are distributed in a uniform grid on the first surface.
8. A battery size measuring device, comprising:
the target point selection module is used for selecting a plurality of target points on the first surface of the battery;
an isocenter determining module, configured to determine an isocenter of the target point on a second surface opposite to the first surface, where the isocenter is a projection of the target point on the second surface;
and the measuring module is used for measuring the distance between each target point and the corresponding equipotential point to obtain the size distribution of the battery.
9. A computer device, comprising:
one or more processors;
storage means for storing one or more programs;
when executed by the one or more processors, cause the one or more processors to implement the battery sizing method of any of claims 1-7.
10. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out a battery sizing method according to any one of claims 1-7.
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