CN106091999B - A kind of detection method and device of pole piece dislocation - Google Patents
A kind of detection method and device of pole piece dislocation Download PDFInfo
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- CN106091999B CN106091999B CN201610595319.2A CN201610595319A CN106091999B CN 106091999 B CN106091999 B CN 106091999B CN 201610595319 A CN201610595319 A CN 201610595319A CN 106091999 B CN106091999 B CN 106091999B
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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
- G01B15/00—Measuring arrangements characterised by the use of electromagnetic waves or particle radiation, e.g. by the use of microwaves, X-rays, gamma rays or electrons
Abstract
An embodiment of the present invention provides the detection methods and device of a kind of dislocation of pole piece.A kind of detection method of pole piece dislocation provided in an embodiment of the present invention, including：The center of circle of the rounded corner of first pole piece coordinate information in preset coordinate system in detection angle measurement, judge whether the first pole piece misplaces according to the coordinate information, only need to detect in the embodiment of the present invention center of circle of the rounded corner of the first pole piece in angle measurement in preset coordinate system coordinate information it may determine that whether the first pole piece misplaces, Comparison between detecting methods are simple, and without carrying out destructive detection to laminated cell, it is detected without expensive equipment is used, therefore testing cost is reduced, and detection efficiency is higher, and due to reducing testing cost, and detection efficiency is higher, therefore the purpose detected into line misregistration to all laminated cells may be implemented.
Description
Technical field
The detection method and device to misplace the present invention relates to technical field of electronic equipment more particularly to a kind of pole piece.
Background technology
In recent years, since lamination lithium battery is widely used in smart mobile phone, laptop and electric vehicle,
Increasingly by extensive concern, wherein emphasis needs to be concerned with lamination lithium battery interior short circuit draws the safety problem of lamination lithium battery
The safety problem of hair.Include at least one laminated cell in lamination lithium battery, the internal short-circuit of lamination lithium battery is by wherein one
Caused by short circuit occurs for a laminated cell, wherein laminated cell occurs the pole piece that short circuit is typically due in laminated cell and generates
Caused by dislocation, the pole piece in laminated cell generates dislocation and the situation of short circuit is caused to include mainly following two：
Situation 1, in lamination charging and discharging lithium battery process, cathode sheets can generate lithium more than needed and be precipitated, and the lithium of precipitation can be concentrated
At the edge of insulating film, and dendrite is formed, insulating film can be punctured after dendrite reaches a certain level, causes cathode sheets
It is connected to anode strip and causes short circuit；
Situation 2, since the pole piece in laminated cell misplaces, cause the pole piece to misplace and adjacent pole piece direct
Contact, and then cause laminated cell short-circuit.
In the prior art, detecting the method whether pole piece in laminated cell misplaces mainly has following two sides
Formula：
Mode 1：Destructive detection is carried out to battery core using manual type, i.e., angle measurement is cut, then in image
Artificial detection is carried out under projecting apparatus；
Mode 2：Using CT scan, whether detection pole piece misplaces.
In realizing process of the present invention, inventor has found that at least there are the following problems in the prior art：
The testing cost of mode 1 and mode 2 is higher, and detection efficiency is relatively low, and due to testing cost height, can only use and take out
The detection mode of inspection, therefore all laminated cells can not be detected into line misregistration.
Invention content
In view of this, an embodiment of the present invention provides the detection method and device of a kind of dislocation of pole piece, it is existing to solve
Testing cost is higher in technology, the relatively low problem of detection efficiency, and can not be detected into line misregistration to all laminated cells
The problem of.
On the one hand, an embodiment of the present invention provides a kind of detection methods of pole piece dislocation, and it is folded that the method is applied to detection
Whether the pole piece in piece battery core misplaces, the method includes：
The center of circle of the rounded corner of first pole piece coordinate information in preset coordinate system in detection angle measurement, wherein the coordinate
Information includes：X axis coordinate and Y axis coordinate；
Judge the absolute value of the difference of the radius of the rounded corner of the X axis coordinate and first pole piece whether more than first
Threshold value, and, judge whether the absolute value of the Y axis coordinate and the difference of the radius is more than second threshold；
It is sat if the absolute value of the X axis coordinate and the difference of the radius is more than the first threshold and/or the Y-axis
Mark and the absolute value of the difference of the radius are more than second threshold, it is determined that first pole piece misplaces；
If the absolute value of the X axis coordinate and the difference of the radius is less than the first threshold and the Y-axis
Coordinate and the absolute value of the difference of the radius are less than second threshold, it is determined that first pole piece does not misplace；
Wherein, the preset coordinate system is established according to the placement position of the second pole piece.
The aspect and any possible implementation manners as described above, it is further provided a kind of realization method, the detection wait for
The center of circle of the rounded corner of the first pole piece coordinate information in preset coordinate system includes in angle measurement：
Shape is irradiated to the rounded corner of first pole piece in the angle measurement with different incidence angles by the first ray
Tangentially；
Detection forms angle of incidence values when tangent line；
According to the angle of incidence values, the position in the center of circle is determined；
According to the position, the coordinate information of the center of circle in the preset coordinate system is determined.
The aspect and any possible implementation manners as described above, it is further provided a kind of realization method, the detection wait for
The center of circle of the rounded corner of the first pole piece coordinate information in preset coordinate system includes in angle measurement：
Detection by the second ray with the first incidence angle in the angle measurement first pole piece and second pole
The first angle of incidence values when the rounded corner of piece is irradiated to form tangent line, and detection second ray enter with described first
Two when firing angle is irradiated to form tangent line to the rounded corner of first pole piece and second pole piece in the angle measurement
The first vertical range between tangent line；Detection is by third ray with the second incidence angle to first pole in the angle measurement
The second angle of incidence values when the rounded corner of piece and second pole piece is irradiated to form tangent line, and the detection third are penetrated
Line is irradiated the rounded corner of first pole piece and second pole piece in the angle measurement with second incidence angle
The second vertical range when forming tangent line between two tangent lines；
According to first angle of incidence values, first vertical range, second angle of incidence values and described second
Vertical range determines institute of the center of circle of the rounded corner of first pole piece in the angle measurement in the preset coordinate system
State coordinate information.
The aspect and any possible implementation manners as described above, it is further provided a kind of realization method, described first hangs down
Straight distance be according to second ray to the rounded corner of first pole piece and second pole piece in the angle measurement into
What standoff height when row irradiation forms tangent line determined, second vertical range is according to the third ray to described to be measured
What the standoff height when rounded corner of first pole piece and second pole piece on angle is irradiated to form tangent line determined.
The aspect and any possible implementation manners as described above, it is further provided a kind of realization method, described second penetrates
Line and the third ray include：X-ray；
The incident direction of the X-ray is parallel to the laminated cell；
Rounded corner of the X-axis and Y-axis of the preset coordinate system respectively with second pole piece in the angle measurement is formed
Circle it is tangent.
The aspect and any possible implementation manners as described above, it is further provided a kind of realization method, described first penetrates
Line includes：X-ray；
The incident direction of the X-ray is parallel to the laminated cell；
Rounded corner of the X-axis and Y-axis of the preset coordinate system respectively with second pole piece in the angle measurement is formed
Circle it is tangent.
A technical solution in above-mentioned technical proposal has the advantages that：An embodiment of the present invention provides a kind of poles
Piece dislocation detection method, detect angle measurement on the first pole piece rounded corner the center of circle in preset coordinate system coordinate information, root
Judge whether the first pole piece misplaces according to the coordinate information, only needs to detect first in angle measurement in the embodiment of the present invention
Coordinate information is it may determine that whether the first pole piece misplaces in preset coordinate system in the center of circle of the rounded corner of pole piece, detection side
Method is fairly simple, and without carrying out destructive detection to laminated cell, without using expensive equipment to be detected, therefore
Testing cost is reduced, and detection efficiency is higher, and due to reducing testing cost, and detection efficiency is higher, therefore can be with
Realize the purpose detected into line misregistration to all laminated cells.
On the other hand, the embodiment of the present invention additionally provides a kind of detection device of pole piece dislocation, and described device is for detecting
Whether the pole piece in laminated cell misplaces, and described device includes：
Detection unit is believed for detecting the center of circle of the rounded corner of the first pole piece in the angle measurement coordinate in preset coordinate system
Breath, wherein the coordinate information includes：X axis coordinate and Y axis coordinate；
Judging unit, for judging the absolute of the X axis coordinate and the difference of the radius of the rounded corner of first pole piece
Whether value is more than first threshold, and, judge the absolute value of the difference of the Y axis coordinate and the radius whether more than the second threshold
Value；
Determination unit, if the absolute value of the difference of the X axis coordinate and the radius be more than the first threshold and/or
The absolute value of the Y axis coordinate and the difference of the radius is more than second threshold, for determining that first pole piece misplaces；
The determination unit, if the absolute value of the X axis coordinate and the difference of the radius is less than first threshold
The absolute value of value and the Y axis coordinate and the difference of the radius is less than second threshold, for determining first pole piece
It does not misplace；
Wherein, the preset coordinate system is established according to the placement position of the second pole piece.
The aspect and any possible implementation manners as described above, it is further provided a kind of realization method, the detection are single
Member includes：
Irradiation module, for passing through the first ray with different incidence angles to the rounding of first pole piece in the angle measurement
Angle is irradiated to form tangent line；
First detection sub-module forms angle of incidence values when tangent line for detecting；
First determining module, for according to the angle of incidence values, determining the position in the center of circle；
First determining module, for according to the position, determining institute of the center of circle in the preset coordinate system
State coordinate information.
The aspect and any possible implementation manners as described above, it is further provided a kind of realization method, the detection are single
Member includes：
Second detection module, for detecting through the second ray with the first incidence angle to described first in the angle measurement
The first angle of incidence values when the rounded corner of pole piece and second pole piece is irradiated to form tangent line, and detection described second
Ray shines the rounded corner of first pole piece and second pole piece in the angle measurement with first incidence angle
The first vertical range when penetrating to form tangent line between two tangent lines；
Second detection module, for detecting through third ray with the second incidence angle to described in the angle measurement
The second angle of incidence values when the rounded corner of first pole piece and second pole piece is irradiated to form tangent line, and described in detection
Third ray with second incidence angle to the rounded corner of first pole piece and second pole piece in the angle measurement into
The second vertical range when row irradiation forms tangent line between two tangent lines；
Second determining module, for according to first angle of incidence values, first vertical range, second incidence
Angle value and second vertical range determine the center of circle of the rounded corner of first pole piece in the angle measurement described
The coordinate information in preset coordinate system.
The aspect and any possible implementation manners as described above, it is further provided a kind of realization method, described first hangs down
Straight distance be according to second ray to the rounded corner of first pole piece and second pole piece in the angle measurement into
What standoff height when row irradiation forms tangent line determined, second vertical range is according to the third ray to described to be measured
What the standoff height when rounded corner of first pole piece and second pole piece on angle is irradiated to form tangent line determined.
The aspect and any possible implementation manners as described above, it is further provided a kind of realization method, described second penetrates
Line and the third ray include：X-ray；
The incident direction of the X-ray is parallel to the laminated cell；
Rounded corner of the X-axis and Y-axis of the preset coordinate system respectively with second pole piece in the angle measurement is formed
Circle it is tangent.
The aspect and any possible implementation manners as described above, it is further provided a kind of realization method, described first penetrates
Line includes：X-ray；
The incident direction of the X-ray is parallel to the laminated cell；
Rounded corner of the X-axis and Y-axis of the preset coordinate system respectively with second pole piece in the angle measurement is formed
Circle it is tangent.
A technical solution in above-mentioned technical proposal has the advantages that：An embodiment of the present invention provides a kind of poles
Piece dislocation detection device, detect angle measurement on the first pole piece rounded corner the center of circle in preset coordinate system coordinate information, really
Order member judges whether the first pole piece misplaces according to the coordinate information, in the embodiment of the present invention only need to detect it is to be measured
On angle the center of circle of the rounded corner of the first pole piece in preset coordinate system coordinate information it may determine that whether the first pole piece occurs mistake
Position, Comparison between detecting methods are simple, and without carrying out destructive detection to laminated cell, carried out without expensive equipment is used
Detection, therefore testing cost is reduced, and detection efficiency is higher, and due to reducing testing cost, and detection efficiency is higher,
Therefore the purpose detected into line misregistration to all laminated cells may be implemented.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Some bright embodiments for those of ordinary skill in the art without having to pay creative labor, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is a kind of flow diagram of the detection method for pole piece dislocation that the embodiment of the present invention one provides；
Fig. 2 is a kind of flow diagram of the detection method of pole piece dislocation provided by Embodiment 2 of the present invention；
Fig. 3 is a kind of flow diagram of the detection method for pole piece dislocation that the embodiment of the present invention three provides；
Fig. 4 is a kind of ray provided in the embodiment of the present invention and signal when the first pole piece and the second pole piece formation tangent line
Figure；
Fig. 5 is a kind of structural schematic diagram of the detection device for pole piece dislocation that the embodiment of the present invention four provides；
Fig. 6 is a kind of structural schematic diagram of the detection device for pole piece dislocation that the embodiment of the present invention five provides；
Fig. 7 is a kind of structural schematic diagram of the detection device for pole piece dislocation that the embodiment of the present invention six provides.
Specific implementation mode
For a better understanding of the technical solution of the present invention, being retouched in detail to the embodiment of the present invention below in conjunction with the accompanying drawings
It states.
It will be appreciated that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained without creative efforts it is all its
Its embodiment, shall fall within the protection scope of the present invention.
The term used in embodiments of the present invention is the purpose only merely for description specific embodiment, is not intended to be limiting
The present invention.In the embodiment of the present invention and "an" of singulative used in the attached claims, " described " and "the"
It is also intended to including most forms, unless context clearly shows that other meanings.
It should be appreciated that term "and/or" used herein is only a kind of incidence relation of description affiliated partner, indicate
There may be three kinds of relationships, for example, A and/or B, can indicate：Individualism A, exists simultaneously A and B, individualism B these three
Situation.In addition, character "/" herein, it is a kind of relationship of "or" to typically represent forward-backward correlation object.
It will be appreciated that though may pole piece and ray be described using term first, second etc. in embodiments of the present invention,
But these pole pieces and ray should not necessarily be limited by these terms.These terms are only used for pole piece and ray being distinguished from each other out.For example,
In the case of not departing from range of embodiment of the invention, the first pole piece can also be referred to as the second pole piece, similarly, the second pole piece
It can be referred to as the first pole piece.
Depending on context, word as used in this " if " can be construed to " ... when " or " when ...
When " or " in response to determination " or " in response to detection ".Similarly, depend on context, phrase " if it is determined that " or " if detection
(condition or event of statement) " can be construed to " when determining " or " in response to determination " or " when the detection (condition of statement
Or event) when " or " in response to detection (condition or event of statement) ".
Embodiment one
Fig. 1 is a kind of flow diagram of the detection method for pole piece dislocation that the embodiment of the present invention one provides, such as Fig. 1 institutes
Show, a kind of detection method for pole piece dislocation that the embodiment of the present invention one provides, the method is applied in detection laminated cell
Whether pole piece misplaces, and can specifically include following steps：
The center of circle of the rounded corner of first pole piece coordinate information, wherein institute in preset coordinate system on S101, detection angle measurement
Stating coordinate information includes：X axis coordinate and Y axis coordinate.
Wherein, the preset coordinate system is established according to the placement position of the second pole piece.
Specifically, laminated cell includes several pole pieces, wherein pole piece includes：Cathode sheets and anode strip, cathode sheets and
Anode strip replaces lamination, after one of pole piece misplaces relative to other pole pieces, the position phase of the pole piece to misplace
Offset is produced for the position of other pole pieces not misplaced, which includes parallel offset and/or rotation offset.When
When judging whether the first pole piece misplaces relative to the second pole piece, coordinate is established previously according to the placement position of the second pole piece
System, i.e., preset coordinate system is established according to the placement position of the second pole piece, and further, the placement position of the second pole piece is base
Level is set, and judges whether the current location of the first pole piece shifts for reference position, and no matter the first pole piece occurs
What type of offset, the coordinate range that the first pole piece is covered in preset coordinate system are changed, i.e. the first pole piece
Coordinate range is changed relative to the coordinate range of the second pole piece, thus only need to judge in the first pole piece some point
Whether coordinate changes in preset coordinate system, then may determine that whether the first pole piece misplaces, for the ease of accurate
Detection, judges whether the center of circle of the rounded corner of the first pole piece in angle measurement shifts, it is therefore desirable to detect first in angle measurement
The center of circle of the rounded corner of pole piece coordinate information in preset coordinate system.
Wherein, the first pole piece and the second pole piece can be adjacent cathode sheets and anode strip, naturally it is also possible to be laminated battery
Any two pole piece in core.
S102, judge whether the X axis coordinate and the absolute value of the difference of the radius of the rounded corner of first pole piece surpass
First threshold is crossed, and, judge whether the absolute value of the Y axis coordinate and the difference of the radius is more than second threshold；If
The absolute value of the X axis coordinate and the difference of the radius is more than the first threshold and/or the Y axis coordinate and the radius
Difference absolute value be more than second threshold, then execute S103；If the absolute value of the X axis coordinate and the difference of the radius
It is less than the first threshold and the Y axis coordinate and the absolute value of the difference of the radius is less than second threshold, then hold
Row S104.
Specifically, after the first pole piece misplaces, the center of circle of the rounded corner of the first pole piece can also change in angle measurement
Become, further, the coordinate in the center of circle of the rounded corner of the first pole piece changes in angle measurement, due to the first pole piece position without
By how to change, the radius of the rounded corner of the first pole piece will not change in angle measurement, therefore, judge the first pole piece relative to
When whether the second pole piece misplaces, as long as judging the X axis coordinate and Y in the center of circle of the rounded corner of the first pole piece in angle measurement respectively
The difference of axial coordinate and radius whether change can, and since subtle dislocation will not cause short circuit to battery core,
And offset direction when misplacing is uncertain, it is therefore desirable to judge that the X-axis in the center of circle of the rounded corner of the first pole piece in angle measurement is sat
Whether mark and the absolute value of the difference of the radius of the rounded corner of the first pole piece are more than first threshold, and are judged first in angle measurement
Whether the absolute value of the difference of the radius of the rounded corner of the Y axis coordinate in the center of circle of the rounded corner of pole piece and the first pole piece is more than second
Threshold value, when the absolute value of X axis coordinate and the difference of the radius of the rounded corner of the first pole piece be less than first threshold and Y axis coordinate with
When the absolute value of the difference of the radius of the rounded corner of first pole piece is less than second threshold, it may be determined that the first pole piece does not occur can
To cause the dislocation of battery core short circuit, other any situations can determine that the mistake that can cause battery core short circuit has occurred in the first pole piece
Position.
Wherein, first threshold and the value of second threshold are determined according to the preset coordinate system actually established.
S103, determine that first pole piece misplaces.
S104, determine that first pole piece does not misplace.
An embodiment of the present invention provides a kind of detection methods of pole piece dislocation, detect the rounded corner of the first pole piece in angle measurement
The center of circle in preset coordinate system coordinate information, judge whether the first pole piece misplaces according to the coordinate information, the present invention
Only need to detect that coordinate information can in preset coordinate system for the center of circle of the rounded corner of the first pole piece in angle measurement in embodiment
To judge whether the first pole piece misplaces, Comparison between detecting methods are simple, and without carrying out destructive detection to laminated cell,
It is detected without the equipment for using costliness, therefore reduces testing cost, and detection efficiency is higher, and due to reducing
Testing cost, and detection efficiency is higher, therefore the purpose detected into line misregistration to all laminated cells may be implemented.
Embodiment two
Fig. 2 is a kind of flow diagram of the detection method of pole piece dislocation provided by Embodiment 2 of the present invention, for implementation
The realization of center of circle coordinate information in preset coordinate system of the rounded corner of the first pole piece in angle measurement is detected in example one described in S101
Provide method flow as shown in Figure 2：
SA1011, the rounded corner of first pole piece in the angle measurement is carried out with different incidence angles by the first ray
Irradiation forms tangent line.
Specifically, when a circle is determines, the center of circle of the circle can be determined by the tangent line of the circle, the in angle measurement
The rounded corner of one pole piece is a round part, the tangent line of the rounded corner can be formed by radiation exposure, due to by cutting
It is wanted when being determined at least through two tangent lines of the circle when line determines the center of circle of circle, therefore forming by ray the tangent line of the rounded corner
Tangent line is formed to be irradiated to the rounded corner by different incidence angles, thus can at least obtain two of the rounded corner
Tangent line, and then can determine the center location of the rounded corner.
SA1012, angle of incidence values when detection forms tangent line.
SA1013, according to the angle of incidence values, determine the position in the center of circle.
Specifically, by the first ray with different incidence angles to the rounded corner of first pole piece in the angle measurement into
When row irradiation forms tangent line, in conjunction with the angle of incidence values of each tangent line, each ray can be simulated in preset coordinate system
Position, then according to the position in the location determination center of circle of the angle of incidence values of each tangent line of acquisition and each tangent line, such as：It can
The center of circle is calculated by the angle of incidence values of each tangent line to be combined by position of each ray in preset coordinate system
Position, or the straight line being respectively perpendicular with each tangent line is determined according to the position of each tangent line and the angle of incidence values of each tangent line
Intersection position, which is then the center location of the rounded corner.
SA1014, according to the position, determine the coordinate information of the center of circle in the preset coordinate system.
Wherein, first ray includes：X-ray；
The incident direction of the X-ray is parallel to the laminated batteries；
Rounded corner of the X-axis and Y-axis of the preset coordinate system respectively with second pole piece in the angle measurement is formed
Circle it is tangent.
An embodiment of the present invention provides a kind of detection methods of pole piece dislocation, detect the rounded corner of the first pole piece in angle measurement
The center of circle in preset coordinate system coordinate information, judge whether the first pole piece misplaces according to the coordinate information, the present invention
Only need to detect that coordinate information can in preset coordinate system for the center of circle of the rounded corner of the first pole piece in angle measurement in embodiment
To judge whether the first pole piece misplaces, Comparison between detecting methods are simple, and without carrying out destructive detection to laminated cell,
It is detected without the equipment for using costliness, therefore reduces testing cost, and detection efficiency is higher, and due to reducing
Testing cost, and detection efficiency is higher, therefore the purpose detected into line misregistration to all laminated cells may be implemented.
Embodiment three
Fig. 3 is a kind of flow diagram of the detection method for pole piece dislocation that the embodiment of the present invention three provides, for implementation
The realization of center of circle coordinate information in preset coordinate system of the rounded corner of the first pole piece in angle measurement is detected in example one described in S101
Additionally provide method flow as shown in Figure 3：
SB1011, detection are by the second ray with the first incidence angle to first pole piece in the angle measurement and described
The first angle of incidence values when the rounded corner of second pole piece is irradiated to form tangent line, and detection second ray is with described
First incidence angle is irradiated to form tangent line to the rounded corner of first pole piece and second pole piece in the angle measurement
When two tangent lines between the first vertical range；Detection is by third ray with the second incidence angle to described in the angle measurement
The second angle of incidence values when the rounded corner of first pole piece and second pole piece is irradiated to form tangent line, and described in detection
Third ray with second incidence angle to the rounded corner of first pole piece and second pole piece in the angle measurement into
The second vertical range when row irradiation forms tangent line between two tangent lines.
Specifically, the rounded corner of the second pole piece on the rounded corner and angle measurement of the first pole piece in angle measurement can pass through
The ray of identical incident angle forms tangent line, and position of the tangent line in preset coordinate system can be obtained when forming tangent line, with
And the angle of incidence values of the tangent line, it to the rounded corner of the first pole piece in angle measurement and is waited for different incidence angles by ray twice
The rounded corner of the second pole piece in angle measurement is irradiated the tangent line to be formed and relevant tangent information, can be true by calculating
The center location of the rounded corner in angle measurement of the first pole piece is made, as shown in Figure 4 a kind of ray and the first pole piece and the
Two pole pieces form schematic diagram when tangent line, and the first pole piece is anode strip, and the second pole piece is cathode sheets, the X-axis and Y of preset coordinate system
What axis was established with two sides of cathode sheets in angle measurement respectively, in the rounded corner and the second pole piece of the second ray and the first pole piece
Rounded corner formed tangent line when, it may be determined that go out the position of the angle of incidence values, the second ray of the second ray in preset coordinate system
Set and the second ray the first pole piece rounded corner and the second pole piece rounded corner formed tangent line when two tangent lines between
Vertical range can equally determine the position of the angle of incidence values, third ray of third ray in preset coordinate system, and
Third ray the first pole piece rounded corner and the second pole piece rounded corner formed tangent line when two tangent lines between it is vertical away from
From.
SB1012, according to first angle of incidence values, first vertical range, second angle of incidence values and institute
The second vertical range is stated, determines the center of circle of the rounded corner of first pole piece in the angle measurement in the preset coordinate system
In the coordinate information.
Specifically, according to formulaDetermine the X in the center of circle of the rounded corner of the first pole piece
Axial coordinate, according to formulaIt determines
The Y axis coordinate in the center of circle of the rounded corner of the first pole piece.
Wherein, r1 is the radius of circle where the first pole piece rounded corner, and r2 is the radius of circle where the second pole piece rounded corner, d1
For the first vertical range, d2 is the second vertical range, and α 1 is the first angle of incidence values, and α 2 is the second angle of incidence values.
First vertical range is according to second ray to first pole piece in the angle measurement and described
What the standoff height when rounded corner of the second pole piece is irradiated to form tangent line determined, second vertical range is according to
When third ray is irradiated to form tangent line to the rounded corner of first pole piece and second pole piece in the angle measurement
Standoff height determine.
Second ray and the third ray include：X-ray；
The incident direction of the X-ray is parallel to the laminated batteries；
Rounded corner of the X-axis and Y-axis of the preset coordinate system respectively with second pole piece in the angle measurement is formed
Circle it is tangent.
An embodiment of the present invention provides a kind of detection methods of pole piece dislocation, detect the rounded corner of the first pole piece in angle measurement
The center of circle in preset coordinate system coordinate information, judge whether the first pole piece misplaces according to the coordinate information, the present invention
Only need to detect that coordinate information can in preset coordinate system for the center of circle of the rounded corner of the first pole piece in angle measurement in embodiment
To judge whether the first pole piece misplaces, Comparison between detecting methods are simple, and without carrying out destructive detection to laminated cell,
It is detected without the equipment for using costliness, therefore reduces testing cost, and detection efficiency is higher, and due to reducing
Testing cost, and detection efficiency is higher, therefore the purpose detected into line misregistration to all laminated cells may be implemented.
Example IV
Fig. 5 is a kind of structural schematic diagram of the detection device for pole piece dislocation that the embodiment of the present invention four provides, described device
For detecting whether the pole piece in laminated batteries misplaces, can specifically include：Detection unit 51, judging unit 52 and determination
Unit 53.
Detection unit 51 is believed for detecting the center of circle of the rounded corner of the first pole piece in the angle measurement coordinate in preset coordinate system
Breath, wherein the coordinate information includes：X axis coordinate and Y axis coordinate；
Judging unit 52, for judging the exhausted of the X axis coordinate and the difference of the radius of the rounded corner of first pole piece
Whether it is more than first threshold to value, and, judge the absolute value of the difference of the Y axis coordinate and the radius whether more than second
Threshold value；
Determination unit 53, if the absolute value of the difference of the X axis coordinate and the radius be more than the first threshold and/
Or the absolute value of the Y axis coordinate and the difference of the radius is more than second threshold, for determining that it is wrong that first pole piece occurs
Position；
The determination unit 53, if the absolute value of the X axis coordinate and the difference of the radius is less than described first
The absolute value of threshold value and the Y axis coordinate and the difference of the radius is less than second threshold, for determining first pole
Piece does not misplace；
Wherein, the preset coordinate system is established according to the placement position of the second pole piece.
A kind of detection device for pole piece dislocation that the embodiment of the present invention four provides can be used for executing method shown in Fig. 1 real
The technical solution of example is applied, implementing principle and technical effect are similar, and details are not described herein again.
An embodiment of the present invention provides a kind of detection devices of pole piece dislocation, detect the rounded corner of the first pole piece in angle measurement
The center of circle in preset coordinate system coordinate information, determination unit judge whether the first pole piece occurs mistake according to the coordinate information
, it only needs to detect the center of circle of the rounded corner of the first pole piece in angle measurement coordinate in preset coordinate system in the embodiment of the present invention
For information it may determine that whether the first pole piece misplaces, Comparison between detecting methods are simple, and without being broken to laminated cell
Bad property detects, and is detected without the equipment for using costliness, therefore reduce testing cost, and detection efficiency is higher, and
Due to reducing testing cost, and detection efficiency is higher, therefore the mesh detected into line misregistration to all laminated cells may be implemented
's.
Embodiment five
Based on example IV, Fig. 6 is that a kind of structure of the detection device for pole piece dislocation that the embodiment of the present invention four provides is shown
It is intended to, whether the pole piece that described device is used to detect in laminated batteries misplaces, and can specifically include：Detection unit 51 is sentenced
Disconnected unit 52 and determination unit 53, wherein detection unit 51 include：Irradiation module 511, the first detection sub-module 512 and first are true
Cover half block 513.
Irradiation module 511, for passing through the first ray with different incidence angles to first pole piece in the angle measurement
Rounded corner is irradiated to form tangent line；
First detection sub-module 512, forms angle of incidence values when tangent line for detecting；
First determining module 513, for according to the angle of incidence values, determining the position in the center of circle；
First determining module 513, for according to the position, determining the center of circle in the preset coordinate system
The coordinate information；
First ray includes：X-ray；
The incident direction of the X-ray is parallel to the laminated batteries；
Rounded corner of the X-axis and Y-axis of the preset coordinate system respectively with second pole piece in the angle measurement is formed
Circle it is tangent.
A kind of detection device for pole piece dislocation that the embodiment of the present invention five provides can be used for executing method shown in Fig. 2 real
The technical solution of example is applied, implementing principle and technical effect are similar, and details are not described herein again.
An embodiment of the present invention provides a kind of detection devices of pole piece dislocation, detect the rounded corner of the first pole piece in angle measurement
The center of circle in preset coordinate system coordinate information, determination unit judge whether the first pole piece occurs mistake according to the coordinate information
, it only needs to detect the center of circle of the rounded corner of the first pole piece in angle measurement coordinate in preset coordinate system in the embodiment of the present invention
For information it may determine that whether the first pole piece misplaces, Comparison between detecting methods are simple, and without being broken to laminated cell
Bad property detects, and is detected without the equipment for using costliness, therefore reduce testing cost, and detection efficiency is higher, and
Due to reducing testing cost, and detection efficiency is higher, therefore the mesh detected into line misregistration to all laminated cells may be implemented
's.
Embodiment six
Based on example IV, Fig. 7 is that a kind of structure of the detection device for pole piece dislocation that the embodiment of the present invention four provides is shown
It is intended to, whether the pole piece that described device is used to detect in laminated batteries misplaces, and can specifically include：Detection unit 51 is sentenced
Disconnected unit 52 and determination unit 53, wherein detection unit 51 include：Second detection module 514 and the second determining module 515.
Second detection module 514, for detecting through the second ray with the first incidence angle to described in the angle measurement
The first angle of incidence values when the rounded corner of first pole piece and second pole piece is irradiated to form tangent line, and described in detection
Second ray with first incidence angle to the rounded corner of first pole piece and second pole piece in the angle measurement into
The first vertical range when row irradiation forms tangent line between two tangent lines；
Second detection module 514, for detecting through third ray with the second incidence angle in the angle measurement
The second angle of incidence values when the rounded corner of first pole piece and second pole piece is irradiated to form tangent line, and detection
The third ray is with second incidence angle to the rounding of first pole piece and second pole piece in the angle measurement
The second vertical range when angle is irradiated to form tangent line between two tangent lines；
Second determining module 515, for according to first angle of incidence values, first vertical range, described second
Angle of incidence values and second vertical range determine that the center of circle of the rounded corner of first pole piece in the angle measurement exists
The coordinate information in the preset coordinate system.
First vertical range is according to second ray to first pole piece in the angle measurement and described
What the standoff height when rounded corner of the second pole piece is irradiated to form tangent line determined, second vertical range is according to
When third ray is irradiated to form tangent line to the rounded corner of first pole piece and second pole piece in the angle measurement
Standoff height determine.
Second ray and the third ray include：X-ray；
The incident direction of the X-ray is parallel to the laminated batteries；
Rounded corner of the X-axis and Y-axis of the preset coordinate system respectively with second pole piece in the angle measurement is formed
Circle it is tangent.
A kind of detection device for pole piece dislocation that the embodiment of the present invention six provides can be used for executing method shown in Fig. 3 real
The technical solution of example is applied, implementing principle and technical effect are similar, and details are not described herein again.
An embodiment of the present invention provides a kind of detection devices of pole piece dislocation, detect the rounded corner of the first pole piece in angle measurement
The center of circle in preset coordinate system coordinate information, determination unit judge whether the first pole piece occurs mistake according to the coordinate information
, it only needs to detect the center of circle of the rounded corner of the first pole piece in angle measurement coordinate in preset coordinate system in the embodiment of the present invention
For information it may determine that whether the first pole piece misplaces, Comparison between detecting methods are simple, and without being broken to laminated cell
Bad property detects, and is detected without the equipment for using costliness, therefore reduce testing cost, and detection efficiency is higher, and
Due to reducing testing cost, and detection efficiency is higher, therefore the mesh detected into line misregistration to all laminated cells may be implemented
's.
In several embodiments provided by the present invention, it should be understood that disclosed system, terminal and method, it can be with
It realizes by another way.For example, terminal embodiment described above is only schematical, for example, the unit
It divides, only a kind of division of logic function, formula that in actual implementation, there may be another division manner, for example, multiple units or group
Part can be combined or can be integrated into another system, or some features can be ignored or not executed.Another point, it is shown
Or the mutual coupling, direct-coupling or communication connection discussed can be by some interfaces, terminal or unit it is indirect
Coupling or communication connection can be electrical, machinery or other forms.
The unit illustrated as separating component may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, you can be located at a place, or may be distributed over multiple
In network element.Some or all of unit therein can be selected according to the actual needs to realize the mesh of this embodiment scheme
's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it can also
It is that each unit physically exists alone, it can also be during two or more units be integrated in one unit.Above-mentioned integrated list
The form that hardware had both may be used in member is realized, can also be realized in the form of hardware adds SFU software functional unit.
The above-mentioned integrated unit being realized in the form of SFU software functional unit can be stored in one and computer-readable deposit
In storage media.Above-mentioned SFU software functional unit is stored in a storage medium, including some instructions are used so that a computer
It is each that device (can be personal computer, server or network equipment etc.) or processor (Processor) execute the present invention
The part steps of embodiment the method.And storage medium above-mentioned includes：USB flash disk, mobile hard disk, read-only memory (Read-
Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disc or CD etc. it is various
The medium of program code can be stored.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent substitution, improvement and etc. done should be included within the scope of protection of the invention god.
Claims (12)
1. a kind of detection method of pole piece dislocation, which is characterized in that the pole piece that the method is applied in detection laminated cell is
It is no to misplace, the method includes：
The center of circle of the rounded corner of first pole piece coordinate information in preset coordinate system in detection angle measurement, wherein the coordinate information
Including：X axis coordinate and Y axis coordinate；
Judge the absolute value of the difference of the radius of the rounded corner of the X axis coordinate and first pole piece whether more than the first threshold
Value, and, judge whether the absolute value of the Y axis coordinate and the difference of the radius is more than second threshold；
If the absolute value of the difference of the X axis coordinate and the radius be more than the first threshold and/or the Y axis coordinate with
The absolute value of the difference of the radius is more than second threshold, it is determined that first pole piece misplaces；
If the absolute value of the X axis coordinate and the difference of the radius is less than the first threshold and the Y axis coordinate
It is less than second threshold with the absolute value of the difference of the radius, it is determined that first pole piece does not misplace；
Wherein, the preset coordinate system is established according to the placement position of the second pole piece.
2. method as described in claim 1, which is characterized in that the center of circle of the rounded corner of the first pole piece exists in the detection angle measurement
Coordinate information includes in preset coordinate system：
The rounded corner of first pole piece in the angle measurement is irradiated to be formed with different incidence angles by the first ray and is cut
Line；
Detection forms angle of incidence values when tangent line；
According to the angle of incidence values, the position in the center of circle is determined；
According to the position, the coordinate information of the center of circle in the preset coordinate system is determined.
3. method as described in claim 1, which is characterized in that the center of circle of the rounded corner of the first pole piece exists in the detection angle measurement
Coordinate information includes in preset coordinate system：
Detection by the second ray with the first incidence angle in the angle measurement first pole piece and second pole piece
The first angle of incidence values when rounded corner is irradiated to form tangent line, and detection second ray is with first incidence angle
Two tangent lines when being irradiated to form tangent line to the rounded corner of first pole piece and second pole piece in the angle measurement
Between the first vertical range；Detection by third ray with the second incidence angle in the angle measurement first pole piece and
The second angle of incidence values when the rounded corner of second pole piece is irradiated to form tangent line, and the detection third ray with
Second incidence angle is irradiated the rounded corner of first pole piece and second pole piece in the angle measurement to be formed
The second vertical range when tangent line between two tangent lines；
Vertically according to first angle of incidence values, first vertical range, second angle of incidence values and described second
Distance determines the seat of the center of circle of the rounded corner of first pole piece in the angle measurement in the preset coordinate system
Mark information.
4. method as claimed in claim 3, which is characterized in that first vertical range is according to second ray to described
The standoff height when rounded corner of first pole piece and second pole piece in angle measurement is irradiated to form tangent line determines
, second vertical range be according to the third ray in the angle measurement first pole piece and second pole
What the standoff height when rounded corner of piece is irradiated to form tangent line determined.
5. method as described in claim 3 or 4, which is characterized in that second ray and the third ray include：X is penetrated
Line；
The incident direction of the X-ray is parallel to the laminated cell；
Rounded corner of the X-axis and Y-axis of the preset coordinate system respectively with second pole piece in the angle measurement is formed by circle
It is tangent.
6. method as claimed in claim 2, which is characterized in that first ray includes：X-ray；
The incident direction of the X-ray is parallel to the laminated cell；
Rounded corner of the X-axis and Y-axis of the preset coordinate system respectively with second pole piece in the angle measurement is formed by circle
It is tangent.
7. a kind of detection device of pole piece dislocation, which is characterized in that whether described device is used to detect the pole piece in laminated cell
It misplaces, described device includes：
Detection unit, for detecting the center of circle of the rounded corner of the first pole piece in the angle measurement coordinate information in preset coordinate system,
Described in coordinate information include：X axis coordinate and Y axis coordinate；
Judging unit, for judging that the absolute value of the X axis coordinate and the difference of the radius of the rounded corner of first pole piece is
No is more than first threshold, and, judge whether the absolute value of the Y axis coordinate and the difference of the radius is more than second threshold；
Determination unit, if the absolute value of the X axis coordinate and the difference of the radius is more than the first threshold and/or described
The absolute value of Y axis coordinate and the difference of the radius is more than second threshold, for determining that first pole piece misplaces；
The determination unit, if the absolute value of the X axis coordinate and the difference of the radius is less than the first threshold, with
And the absolute value of the Y axis coordinate and the difference of the radius is less than second threshold, for determining that first pole piece is not sent out
Raw dislocation；
Wherein, the preset coordinate system is established according to the placement position of the second pole piece.
8. device as claimed in claim 7, which is characterized in that the detection unit includes：
Irradiation module, for by the first ray with different incidence angles to the rounded corner of first pole piece in the angle measurement into
Row irradiation forms tangent line；
First detection sub-module forms angle of incidence values when tangent line for detecting；
First determining module, for according to the angle of incidence values, determining the position in the center of circle；
First determining module, for according to the position, determining the seat of the center of circle in the preset coordinate system
Mark information.
9. device as claimed in claim 7, which is characterized in that the detection unit includes：
Second detection module, for detecting through the second ray with the first incidence angle to first pole piece in the angle measurement
The first angle of incidence values when being irradiated to form tangent line with the rounded corner of second pole piece, and detection second ray
Shape is irradiated to the rounded corner of first pole piece and second pole piece in the angle measurement with first incidence angle
The first vertical range when tangentially between two tangent lines；
Second detection module, for detecting through third ray with the second incidence angle to described first in the angle measurement
The second angle of incidence values when the rounded corner of pole piece and second pole piece is irradiated to form tangent line, and the detection third
Ray shines the rounded corner of first pole piece and second pole piece in the angle measurement with second incidence angle
The second vertical range when penetrating to form tangent line between two tangent lines；
Second determining module, for according to first angle of incidence values, first vertical range, second incident angle
Value and second vertical range determine the center of circle of the rounded corner of first pole piece in the angle measurement described default
The coordinate information in coordinate system.
10. device as claimed in claim 9, which is characterized in that first vertical range is according to second ray to institute
The standoff height stated when the rounded corner of first pole piece and second pole piece in angle measurement is irradiated to form tangent line is true
Fixed, second vertical range is according to the third ray to first pole piece and described second in the angle measurement
What the standoff height when rounded corner of pole piece is irradiated to form tangent line determined.
11. such as claim 9 or 10 described devices, which is characterized in that second ray and the third ray include：X
Ray；
The incident direction of the X-ray is parallel to the laminated cell；
Rounded corner of the X-axis and Y-axis of the preset coordinate system respectively with second pole piece in the angle measurement is formed by circle
It is tangent.
12. device as claimed in claim 8, which is characterized in that first ray includes：X-ray；
The incident direction of the X-ray is parallel to the laminated cell；
Rounded corner of the X-axis and Y-axis of the preset coordinate system respectively with second pole piece in the angle measurement is formed by circle
It is tangent.
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| CN109307473A (en) * | 2018-10-12 | 2019-02-05 | 广东正业科技股份有限公司 | The detection method and detection device of laminated batteries |
| CN111024008B (en) * | 2019-12-06 | 2021-04-13 | 欣旺达电动汽车电池有限公司 | Method and device for detecting dislocation size of laminated energy storage device |
| CN112629442B (en) * | 2020-12-14 | 2022-08-12 | 湖北亿纬动力有限公司 | Detection method and device of laminated battery cell, electronic equipment and storage medium |
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