CN103376268A - Inspection apparatus - Google Patents
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- CN103376268A CN103376268A CN2012103156281A CN201210315628A CN103376268A CN 103376268 A CN103376268 A CN 103376268A CN 2012103156281 A CN2012103156281 A CN 2012103156281A CN 201210315628 A CN201210315628 A CN 201210315628A CN 103376268 A CN103376268 A CN 103376268A
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Abstract
The invention provides an inspection apparatus, which can improve inspection precision when the position of an electrode foil is offset. The inspection apparatus (10) comprises a transmitter (13) that transmits a battery element (1); an X-ray irradiation device that irradiates X ray to the battery element (1); and an X-ray sensor camera (15) that shoots X ray transmission image of the battery element (1) irradiated by X ray. Therefore, on one hand, the direction of a reel line is used as a transmit direction, and the battery elements (1) are continuously transmitted along horizontal direction; on the other hand, the battery elements (1) are irradiated by fan-shaped beam-like X ray from vertical above, and the battery element (1) is shot by transmitted one-dimension X ray to obtain a whole X ray transmission image of the battery element (1). After that, winding offset of the battery element (1) is inspected based on the X ray transmission image.
Description
Technical field
The present invention relates to adopt the testing fixture of X-ray examination cell device etc.
Background technology
A kind of as electrical equipment, people know the cell device that has as the secondary cell of lithium ion battery etc.This cell device is made by following mode, and this mode is: the state that two separators that formed by insulating part in sandwiched such as the positive electrode paper tinsel that is coated with positive active material and the negative electrode foil that is coated with negative electrode active material overlap is reeled.
In such cell device, has the danger that positive electrode paper tinsel and negative electrode foil between produces reel skew in the occasion that waits of reeling midway.The skew if produce to reel then can produce the reason of short circuit etc., has the danger that causes product property to reduce.
Thus, behind the coiling of cell device, check the coiling skew that in this cell device, whether produces electrode foil.When this checks, have the technology that adopts such as X ray checking device (such as, with reference to patent documentation 1 etc.).
The prior art document
Patent documentation
Patent documentation 1: TOHKEMY 2010-102901 communique
Summary of the invention
The problem that invention will solve
In the X ray checking device in the past, such as shown in Figure 8, form following structure, wherein, from x-ray source 92 towards cell device 91 X-ray irradiations, make a video recording (exposure) by X ray zone 93 pairs of X ray of in this cell device 91, realizing transmission of camera, thus, obtain the X ray transmission image of cell device 91.Then, check that according to this X ray transmission image positive electrode paper tinsel 94 or negative electrode foil 95 have or not generation to reel and be offset.
In addition, because the separator that is located between positive electrode paper tinsel 94 and the negative electrode foil 95 is made of the material that makes easily X ray realization transmission usually, is reflected in hardly in the X ray transmission image, so in the section of the cell device 91 in Fig. 8, for convenience of explanation, omit the diagram of separator.
But, in above-mentioned X ray checking device, because the X ray that produces from x-ray source 92 can't converge according to the mode of visible light, spread so be radial (direction all around of Fig. 8).Thus, being undertaken in the said structure of two dimension shooting by X ray zone 93 pairs of X ray of camera, in acquired X ray transmission image, with this picture centre (be equivalent to x-ray source 92 under the position) periphery that leaves produces deformation.
So, the end of spool line 96 directions in cell device 91, align respectively in the position of positive electrode paper tinsel 94 and negative electrode foil 95, even in the situation for the cell device 91 of the pieces O.K. that do not produce the skew of reeling, still have the danger that the X ray transmission image that just produces the skew of reeling is made a video recording.
Such as, in cell device shown in Figure 8 91, although the end A1 of the negative electrode foil 95 of top layer aligns along the vertical direction with the position of the end B1 of the negative electrode foil 95 of the bottom, realize that in this end A1, B1 the X ray projection of transmission is staggered with ormal weight W in spool line 96 directions in position A2, the B2 of the shooting face of X ray zone camera 93.Consequently, have and be difficult to suitably to detect the danger that positive electrode paper tinsel 94 or negative electrode foil 95 have or not the skew of reeling.
Owing to particularly in that in recent years also to have the spool direction long, have in addition the large-scale cell device of larger thickness, so have the more significant danger of above-mentioned not good situation.In addition, because resolution is high, so in the occasion that increases magnification, it is large that the deformation of image periphery also becomes.
The problems referred to above are not limited to the cell device etc. of the type of rolled electrode paper tinsel etc., even it belongs to the problem that still occurs in the cell device of the type of the electrode foil of stacked rectangle etc. etc.
The present invention be directed to above-mentioned situation and propose, the object of the present invention is to provide a kind of testing fixture, the raising of the inspection precision that its position skew that can seek electrode foil checks.
Be used for solving the technical scheme of problem
The below subitem ground describes each technical scheme that is suitable for solving above-mentioned problem.In addition, as required, put down in writing peculiar action effect in the back of corresponding technical scheme.
Irradiation means, this irradiation means from perpendicular the 1st direction (such as vertical direction) of above-mentioned assigned direction to above-mentioned electrical equipment X-ray irradiation, this electrical equipment as carriage direction, is transported (such as level transport) by the conveyer of stipulating with above-mentioned assigned direction;
Image mechanism is (such as X ray line sensor camera, ラ イ Application セ Application サ カ メ ラ), this image mechanism arranges according to the mode of facing along above-mentioned the 1st direction and above-mentioned irradiation means, and has detecting element row (such as the X ray line sensor), in this detecting element row, along with perpendicular the 2nd direction of above-mentioned carriage direction (such as, level is transported) linearly a plurality of x-ray detection devices that can detect the X ray of the above-mentioned electrical equipment of transmission are set, when transporting above-mentioned electrical equipment with ormal weight, this image mechanism is exported the X ray transmission image data of having taken successively;
The image processor structure, this image processor structure is processed the picture signal of exporting from above-mentioned image mechanism,
According to the X ray transmission image of above-mentioned electrical equipment, check that above-mentioned electrode foil in this electrical equipment is to the skew of the position of above-mentioned assigned direction.
According to technique scheme 1, on one side with itself assigned direction (such as, spool line direction) as carriage direction, transport continuously electrical equipment, on one side to this electrical equipment from the perpendicular direction X-ray irradiation of above-mentioned assigned direction, by the image mechanism such as X ray line sensor camera etc., to the X ray of in this electrical equipment, realizing transmission make a video recording successively one-dimensionally (exposure), thus, can obtain the X ray transmission image of electrical equipment integral body.
Thus, be not subject to the impact of difference of the position of each electrode foil in the coincidence direction (convoluted element radially, the stacked direction of lamination-type element) of electrode foil, can obtain following X ray transmission image, wherein, suppress electrical equipment to the deformation of assigned direction, this assigned direction is as the direction of the position skew of plan detecting electrode paper tinsel.Consequently, the position skew that can seek electrode foil checks the raising of relevant inspection precision.
In addition, owing to also needn't require temporarily to stop to transport or reducing the action such as travelling speed of electrical equipment, so can seek the raising of checking efficiency.
Technical scheme 2 relates to technical scheme 1 described testing fixture, it is characterized in that, above-mentioned image mechanism comprises the above-mentioned detecting element row of many rows along above-mentioned carriage direction.
According to technique scheme 2, by the image mechanism (such as X ray TDI camera) that the carriage direction employing along electrical equipment having the structure of the survey element rows of listing and indexing more, can seek to check the further raising of precision and checking efficiency.
Such as, X ray TDI (Time Delay Integration, time delay integration) camera is following structure, wherein, have many row CCD along this carriage direction, in this row CCD, a plurality of CCD (Charge Coupled Device with light conversion layer of scintillator, charge-coupled image sensor) along arranged side by side with the perpendicular direction of the carriage direction of workpiece, each row move through and arrange respectively that CCD makes a video recording (exposure) to the workpiece that transports continuously repeatedly and in the view data that obtains, with its coincidence, finally export as 1 view data.
According to transferring to same as before the 2nd row CCD such as the view data that obtains by the 1st row CCD, in the 2nd row CCD, the view data that stack obtains by the 2nd row CCD the view data that transmits from the 1st row CCD, then transfer to the mode of the 3rd row CCD, to repeatedly be superimposed on by the view data that n row CCD obtains in the view data of accumulation before n-1 row, transfer to n+1 row's order, only carry out the integration exposure according to CCD row's row, thus, can obtain highly sensitive X ray transmission image in the short time.In other words, for the sensitivity deficiency to image mechanism compensates, also needn't require temporarily to stop to transport of workpiece, or reduce the action of travelling speed etc.
Technical scheme 3 relates to technical scheme and asks 1 or 2 described testing fixtures, it is characterized in that above-mentioned electrical equipment is: the coiling shaped element part that the state that overlaps at the above-mentioned separator of sandwiched band shape, with the above-mentioned positive and negative two plate electrode paper tinsels of band shape is reeled;
Above-mentioned assigned direction is the spool line direction of above-mentioned convoluted element.
According to technique scheme 3, the skew of the coiling of the electrode foil in the time of can checking the coiling of convoluted element.
Technical scheme 4 relates to technical scheme 1 or 2 described testing fixtures, it is characterized in that, above-mentioned electrical equipment is the above-mentioned separator of sandwiched rectangle, the lamination-type element of the above-mentioned positive and negative two plate electrode paper tinsels of stacked rectangle alternately,
Above-mentioned assigned direction is the direction along the regulation limit section of the above-mentioned electrode foil of rectangle,
Above-mentioned irradiation means from perpendicular above-mentioned the 1st direction of above-mentioned assigned direction and the direction (such as vertical direction) parallel with the stacked direction of above-mentioned electrode foil, to above-mentioned lamination-type element X-ray irradiation.
According to technique scheme 4, can check that the electrode foil that produces is along the position skew of regulation edge direction when electrode foil stacked.
Description of drawings
Fig. 1 is the appearance assumption diagram of testing fixture;
Fig. 2 is the block scheme of the electrical structure of expression testing fixture;
Fig. 3 is the diagrammatic cross-section of expression battery element structure;
Fig. 4 is for being used for explanation X-ray irradiator, the synoptic diagram of the position relationship of X ray line sensor camera and cell device etc.;
Near one end of the spool line direction of the cell device of the pieces O.K. that Fig. 5 (a) is offset for representing to reel cut-open view, Fig. 5 (b) is for representing the synoptic diagram near the X ray transmission image that carries out the X ray shooting this end;
Fig. 6 (a) is near produce to reel the cut-open view end of spool line direction of defective cell device of skew of expression, and Fig. 6 (b) is the synoptic diagram of expression near carry out the X ray shooting this end X ray transmission image.
Fig. 7 is the exploded perspective view of expression stacked type battery;
Fig. 8 is for being used for explanation X-ray irradiator in the past, the synoptic diagram of the position relationship of X ray zone camera and cell device etc.
Embodiment
With reference to the accompanying drawings, an embodiment is described.At first, the structure as the lithium iron cell element of electrical equipment (charge storage element) that checks by testing fixture of the present invention is described.
As shown in Figure 3, the mode that lithium iron cell element 1 (below referred to as " cell device 1 ") is reeled by the state that positive electrode paper tinsel 4 and the negative electrode foil 5 of band shape is overlapped at 2 separators 2 of sandwiched band shape, 3 is made.Fig. 3 is that radially (with the perpendicular plane of spool line H) cuts off the cut-open view of cell device 1, here, for convenience of explanation, with separator 2,3 and electrode foil 4,5 spaced modes represent.
Separator 2,3 insulators by polypropylene (PP) etc. consist of, so that preventing different electrode foil 4,5 is in contact with one another, produce the situation of short circuit.
In addition, via above-mentioned active substance, carry out the ion-exchange between positive electrode paper tinsel 4 and the negative electrode foil 5.More particularly, when charging, ion moves from positive electrode paper tinsel 4 side direction negative electrode foils, 5 sides, and when discharge, ion moves from negative electrode foil 5 side direction positive electrode paper tinsel 4 sides.
In addition, not shown positive wire stretches out from positive electrode paper tinsel 4, and not shown negative wire stretches out from negative electrode foil 5.
When obtaining lithium ion battery, the cell device 1 of having reeled is arranged at the inside of tubular battery case (not shown).In addition, positive wire is connected in positive terminal parts (not shown), and negative wire is connected in negative terminal parts (not shown), the two-terminal parts arrange according to the mode of the both ends open that stops up above-mentioned battery case, thus, can obtain lithium ion battery.
Also have, cell device 1 is accepted various inspections in the previous stage that is arranged at battery case inside behind coiling.
Here, the testing fixture that checks electrode foil 4 in the cell device 1,5 coiling skew (position skew) is specifically described.Fig. 1 is for representing in a schematic way the appearance assumption diagram of testing fixture 10.
Testing fixture 10 comprises: as the forwarder 13 of the conveyer that transports cell device 1; As the X-ray irradiator 14 of irradiation means to cell device 1 X-ray irradiation; The X ray line sensor camera 15 of the X ray transmission picture of the cell device 1 that shone this X ray being made a video recording as image mechanism; Testing fixture 10 interior various controls, images are processed for implementing, the controller 16 of calculation process.
In addition, leak into the outside in order to suppress X ray, the testing fixture 10 of present embodiment is according to consisting of with the mode of controller 16 at the above-mentioned forwarder 13 of the internal admission of shielded box, X-ray irradiator 14, X ray line sensor camera 15, although omit about the diagram of this point.In addition, in shielded box, also be provided for sending into, sending the peristome of cell device 1; Cover the curtain etc. of the plumbous rubber system of this peristome.
As described later, here, cell device 1 loads along the mode of the carriage direction (arrow C direction) of forwarder 13 according to the spool line H of itself.So spool line H direction is equivalent to the assigned direction of the cell device 1 of present embodiment.
X ray line sensor camera 15 is according to the mode of vertically facing with X-ray irradiator 14, is arranged at parallel transporting between the belt 13a up and down.
X ray line sensor camera 15 comprises the X ray line sensor 15a as the detecting element row, wherein, a plurality of Widths along forwarder 13 are set as the CCD of the light conversion layer with scintillator of x-ray detection device according to 1 row, thus, the X ray of realizing transmission in cell device 1 grade is made a video recording (exposure), export as X ray transmission image data.The Width of forwarder 13 is equivalent to the 2nd direction of present embodiment.
X ray transmission image data by X ray line sensor camera 15 shooting are digital signal in the internal conversion of this camera 15, thus, are input in the controller 16 according to the form of digital signal.In addition, 16 pairs of X ray transmission images of controller data are carried out the processing of image processing etc., implement inspection processing described later etc.
Below with reference to Fig. 2, the electrical structure of controller 16 is specifically described.Fig. 2 is the block scheme of the electrical structure of expression testing fixture 10.
As shown in Figure 2, controller 16 comprises: irradiation control part 21, and 21 pairs of X-ray irradiators 14 of this irradiation control part are controlled; Camera control part 22, the shooting of 22 pairs of X ray line sensors of this camera control part camera 15 is controlled constantly; Forwarder control part 23,23 pairs of forwarders 13 of this forwarder control part are controlled; View data storage part 24, the X ray transmission image data that these view data storage part 24 storages obtain from X ray line sensor camera 15; Arithmetic processing section 25, this arithmetic processing section 25 carry out that various images are processed, calculation process, comprise according to being stored in X ray transmission image data in the view data storage part 24 electrode foil 4 in the cell device 1,5 coiling skew being checked etc.Consist of the image processor structure of present embodiment here, by view data storage part 24, arithmetic processing section 25 etc.
In addition, testing fixture 10 also comprises: input mechanism, and this input mechanism is made of keyboard, touch panel; The indication mechanism with display frame of CRT or liquid crystal etc.; Various storing mechanisms, this mechanism is used for the judgment standard value of storage inspection, various operation result, check result etc.; Outgoing inspection result's etc. output mechanisms etc. are although omit about the diagram of this point.
22 pairs of camera control parts are controlled the X ray transmission image data acquisition of X ray line sensor camera 15 shootings to the moment in the view data storage part 24.This moment, makes a video recording when transporting cell device 1 with ormal weight according to controlling from the signal that is arranged at the not shown scrambler on the forwarder 13.
View data storage part 24 is according to time series, and storage is by the X ray transmission image data of X ray line sensor camera 15 shootings successively.Thus, form the X ray transmission image data of cell device 1 integral body.
Arithmetic processing section 25 is formed at the X ray transmission image of the integral body of the cell device 1 in the view data storage part 24 according to storage, checks the battery paper tinsel 4 of the spool line H direction of cell device 1,5 coiling skew.
Then, the program that the coiling skew of implementing by testing fixture 10 is checked specifically describes.
At first, give testing fixture 10 with the cell device 1 of the coiling of the regulation up-coiler that is through with, be loaded on the forwarder 13.Here, cell device 1 loads along the mode of the carriage direction of forwarder 13 according to the spool line H of itself.
Then, controller 16 (forwarder control part 23) drives control to forwarder 13, transports continuously cell device 1 according to constant speed.In addition, controller 16 (lighting control section 21 and camera control part 22) drives control X-ray irradiator 14 and X ray line sensor camera 15 according to from the signal that is arranged at the not shown scrambler on the forwarder 13.
More particularly, when cell device 1 is measured according to the rules Δ x and is transported, namely whenever when the stipulated time Δ t, from X-ray irradiator 14 X-ray irradiations, and make a video recording by the cell device 1 that 15 pairs in X ray line sensor camera has shone this X ray.In the present embodiment, the width of the X ray line sensor camera 15a of carriage direction, the distance that namely is equivalent to the width of 1 CCD is set as afore mentioned rules amount Δ x.
X ray transmission image data by X ray line sensor camera 15 shooting are digital signal in the internal conversion of this camera 15, then, are input in the controller 16 (view data storage part 24) according to the form of digital signal.
View data storage part 24 is stored from the X ray transmission image data of X ray line sensor camera 15 inputs successively according to time series.
In addition, when cell device 1 is measured according to the rules Δ x and is transported, repeatedly carry out above-mentioned a series of processing, the position of X-ray irradiation relatively moves, thus, in view data storage part 24, form the X ray transmission image (2-D data) of cell device 1 integral body.
If like this, form the X ray transmission image of a cell device 1, then according to this X ray transmission image, by the arithmetic processing section 25 skew inspection of reeling.Here, with reference to Fig. 5, Fig. 6, the inspection method of present embodiment is described.
Near one end of the spool line H direction of the cell device 1 of the pieces O.K. that Fig. 5 (a) is offset for representing to reel cut-open view, Fig. 5 (b) is for representing the synoptic diagram near the X ray transmission image that carries out the X ray shooting this end.On the other hand, Fig. 6 (a) is near produce to reel the cut-open view end of spool line H direction of defective cell device 1 of skew of expression, and Fig. 6 (b) is the synoptic diagram of expression near carry out the X ray shooting this end X ray transmission image.In addition, in the present embodiment, the end of positive electrode paper tinsel 4 and negative electrode foil 5 is at the pieces O.K. of the cell device 1 that aligns respectively along the different position of spool line H direction for the skew of not reeling.
On the X ray transmission image, " the dark section " that the part corresponding with cell device 1 is few as the transmission amount of X ray, brightness is low and presenting.On the other hand, about the many background parts of transporting belt 13a etc. of the transmission amount of X ray, present as high " the bright section " of brightness.Particularly, electrode foil 4, part that 5 lamination number is many are darker, and electrode foil 4, part that 5 lamination number is few are brighter.
So, can be according to the brightness different (difference of the transmission amount of X ray) of each pixel in the X ray transmission image, detection having or not the skew of reeling.
Such as, as shown in Figure 5, the occasion of the pieces O.K. that aligns respectively in the end of positive electrode paper tinsel 4 and negative electrode foil 5, in the X ray transmission image, the part corresponding from cell device 1 is divided into two different zones of brightness.On the other hand, as shown in Figure 6, the occasion of the unacceptable product that produces at a position in the skew of the coiling of negative electrode foil 5, the part corresponding from cell device 1 is divided into the different Three regions of brightness.
In addition, in the occasion with electrode foil 4, the skew of 5 coiling, calculate this coiling side-play amount, judge that this coiling side-play amount is whether in predetermined allowed band., if in allowed band, be judged to be pieces O.K. here, if not in allowed band, then be judged to be defective.
The judged result of testing fixture 10 is given the not shown distributor gear in the downstream that is arranged at this testing fixture 10.This distributor gear is given regular line judging that by testing fixture 10 cell device 1 is the occasion of pieces O.K. with this cell device 1, judging the occasion of cell device 1 as unacceptable product, this cell device 1 is distributed to defective output mechanism.
As top specifically described, if employing present embodiment, then on one side with spool line H direction itself as carriage direction, cell device 1 along continuous straight runs is transported continuously, relative this cell device 1 from the X ray of vertical direction irradiation fan beam shape, is made a video recording to the X ray of realizing transmission in this cell device 1 one-dimensionally by X ray line sensor camera 15 on one side, thus, obtain the X ray transmission image of cell device 1 integral body.
Thus, be not subject to the impact of difference of each electrode foil 4 radially, 5 the position of cell device 1, can obtain to suppress the X ray transmission image of deformation, this shape becomes on the direction that is intended as detecting electrode paper tinsel 4, the skew of 5 coiling, and cell device 1 is to the deformation of spool line H direction.Consequently, can seek the raising of the inspection precision that electrode foil 4, the skew of 5 coiling check.In addition, owing to also needn't require temporarily to stop the action that to transport or reduce travelling speed etc. of cell device 1, so can seek the raising of checking efficiency.
In addition, being not limited to the record content of above-mentioned embodiment, such as, also can as following, implement.That also yes is possible for the application examples of other that obviously, enumerate below, modification.
(a) in the present embodiment, form the structure of the cell device 1 that checks lithium ion batteries by testing fixture 10, still, the object (element) that checks by testing fixture 10 is not limited to this, such as, also can form the structure of the element that checks capacitor etc.
(b) in the present embodiment, for pair cross-section is the structure that cell device 1 that the circular shape reels checks, but, the shape that consists of the cell device 1 that checks object is not limited to this, such as, can check that also the cross section is that oval, cross section is that oval shape, cross section are that polygon, cross section are that the cross section of flat etc. is the structure of non-circular cell device.
In addition, in the present embodiment, with the end of positive electrode paper tinsel 4 and negative electrode foil 5 at the cell device 1 of different respectively aligned in position as the inspection object, but, be not limited to this, also can be with the end of positive electrode paper tinsel 4 and negative electrode foil 5 at the cell device of whole aligned in position as checking object.
(c) in the present embodiment, the separator 2 of band shape, 3 and banded electrode foil 4, cell device 1 (convoluted element) that 5 states that overlap are reeled consist of and check object, still, check that object is not limited to this.
Also can be with the lamination-type element of the stacked type battery of the positive and negative two plate electrode paper tinsels of stacked rectangle such as, the separator of sandwiched rectangle and alternately etc. as checking object.As shown in Figure 7, stacked type battery 40 by from the below in turn with negative electrode foil 41, separator 42, positive electrode paper tinsel 43, separator 44, again negative electrode foil 41 ... the stacked mode in reiteration ground make.
(d) separator 2,3 and electrode foil 4,5 material be not limited to above-mentioned embodiment.Such as, in the above-described embodiment, form separator 2,3 by PP, still, also can form separator 2,3 by other insulativity material.
(e) in the present embodiment, conveyer adopts forwarder 13, but is not limited to this, such as, also can adopt the structure of holding cell device 1 and transporting.
In addition, also can form according to the immovable mode of the posture of cell device 1, the structure of detent mechanism (admitting recess etc.) is set at forwarder 13.
(f) in the present embodiment, image mechanism still, also can be and directly injects X ray, the camera of making a video recording for adopting the CCD camera of scintillator.
(g) in the above-described embodiment, image mechanism adopts CCD according to row X ray line sensor camera 15 arranged side by side, but is not limited to this, also can adopt such as the X ray TDI camera with many row CCD.Thus, can seek to check the further raising of precision and checking efficiency.
Label declaration
Label 2,3 expression separators;
Label 4 expression positive electrode paper tinsels;
Label 24 presentation video data store;
Label 25 expression arithmetic processing section;
Symbol H represents the spool line.
Claims (4)
1. testing fixture, it checks electrode foil in electrical equipment to the position skew of assigned direction, and this electrical equipment is overlapped and is obtained by positive and negative two plate electrode paper tinsels, and the separator that formed by insulating material of sandwiched wherein is characterized in that this testing fixture comprises:
Irradiation means, this irradiation means from perpendicular the 1st direction of above-mentioned assigned direction to above-mentioned electrical equipment X-ray irradiation, as carriage direction, the conveyer by regulation is transported this electrical equipment with above-mentioned assigned direction;
Image mechanism, this image mechanism arranges according to the mode of facing along above-mentioned the 1st direction and above-mentioned irradiation means, and has detecting element row, in this detecting element row, along with perpendicular the 2nd direction of above-mentioned carriage direction is linearly a plurality of x-ray detection devices that can detect the X ray of the above-mentioned electrical equipment of transmission being set, when transporting above-mentioned electrical equipment with ormal weight, this image mechanism is exported the X ray transmission image data of having taken successively;
The image processor structure, this image processor structure is processed the picture signal of exporting from above-mentioned image mechanism,
According to the X ray transmission image of above-mentioned electrical equipment, check that above-mentioned electrode foil in this electrical equipment is to the skew of the position of above-mentioned assigned direction.
2. testing fixture according to claim 1 is characterized in that, above-mentioned image mechanism comprises many rows' above-mentioned detecting element row along above-mentioned carriage direction.
3. testing fixture according to claim 1 and 2 is characterized in that, above-mentioned electrical equipment is: the coiling shaped element part that the state that overlaps at the above-mentioned separator of sandwiched band shape, with the above-mentioned positive and negative two plate electrode paper tinsels of band shape is reeled,
Above-mentioned assigned direction is the spool line direction of above-mentioned convoluted element.
4. testing fixture according to claim 1 and 2 is characterized in that, above-mentioned electrical equipment is: the above-mentioned separator of sandwiched rectangle, the lamination-type element of the above-mentioned positive and negative two plate electrode paper tinsels of stacked rectangle alternately,
Above-mentioned assigned direction is the direction along the regulation limit section of the above-mentioned electrode foil of rectangle,
Above-mentioned irradiation means from perpendicular above-mentioned the 1st direction of above-mentioned assigned direction and the direction parallel with the stacked direction of above-mentioned electrode foil, to above-mentioned lamination-type element X-ray irradiation.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012096576A JP5502132B2 (en) | 2012-04-20 | 2012-04-20 | Inspection device |
| JP2012-096576 | 2012-04-20 |
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| CN103376268A true CN103376268A (en) | 2013-10-30 |
| CN103376268B CN103376268B (en) | 2015-07-29 |
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| CN105987919A (en) * | 2014-09-08 | 2016-10-05 | Ckd株式会社 | Inspection device and winding device |
| CN105987919B (en) * | 2014-09-08 | 2019-01-01 | Ckd株式会社 | Check device and winding apparatus |
| CN107112578A (en) * | 2015-01-13 | 2017-08-29 | 艾利电力能源有限公司 | The position bias detecting method and its device of battery lead plate in electrode laminated body |
| CN107112578B (en) * | 2015-01-13 | 2019-07-05 | 艾利电力能源有限公司 | The positional shift detection method and its device of electrode plate in electrode laminated body |
| CN108291806A (en) * | 2016-01-19 | 2018-07-17 | 横滨橡胶株式会社 | The check device of conveyer belt |
| US10746541B2 (en) | 2016-01-19 | 2020-08-18 | The Yokohama Rubber Co., Ltd. | Inspection device for conveyor belt |
| CN108291806B (en) * | 2016-01-19 | 2020-09-25 | 横滨橡胶株式会社 | Inspection device for conveyor belt |
| CN108120728A (en) * | 2016-11-29 | 2018-06-05 | 株式会社岛津制作所 | The X ray checking device of battery |
| CN108180826A (en) * | 2017-12-20 | 2018-06-19 | 深圳湾新科技有限公司 | A kind of detection device and detection method on lithium battery coiling winding layer boundary |
| CN108180826B (en) * | 2017-12-20 | 2023-12-22 | 深圳湾新科技有限公司 | Detection equipment and detection method for boundary of lithium battery winding layer |
| CN110857851A (en) * | 2018-08-24 | 2020-03-03 | 东莞中科蓝海智能视觉科技有限公司 | Optical cable measuring device |
| CN114733781A (en) * | 2022-04-21 | 2022-07-12 | 深圳吉阳智能科技有限公司 | Online detection system and method for composite pole piece |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103376268B (en) | 2015-07-29 |
| JP2013224846A (en) | 2013-10-31 |
| JP5502132B2 (en) | 2014-05-28 |
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