CN106840003A - Detection device - Google Patents
Detection device Download PDFInfo
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- CN106840003A CN106840003A CN201710106562.8A CN201710106562A CN106840003A CN 106840003 A CN106840003 A CN 106840003A CN 201710106562 A CN201710106562 A CN 201710106562A CN 106840003 A CN106840003 A CN 106840003A
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- Prior art keywords
- laser
- displacement sensor
- detection
- laser displacement
- measured
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
- G01B11/0616—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material of coating
- G01B11/0625—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material of coating with measurement of absorption or reflection
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The application relates to the technical field of detection, in particular to a detection device. This detection device is used for detecting the inflation thickness of the body of waiting to survey, it includes brace table and laser detection subassembly, the brace table has the holding surface that is used for supporting the body of waiting to survey, laser detection subassembly is installed on the brace table, and laser detection subassembly includes at least one laser displacement sensor, the laser jet-out direction along laser displacement sensor, laser displacement sensor and the body of waiting to survey the face of waiting to survey set up relatively, laser displacement sensor is used for detecting the displacement of waiting to detect the face to obtain the inflation thickness of the body of waiting to survey. In this application, because laser displacement sensor need not with the body direct contact that awaits measuring when detecting the inflation thickness of the body that awaits measuring, consequently, can effectually avoid stress detection device among the prior art and pole piece or electric core to wait for the condition that the body direct contact that awaits measuring and cause the body that awaits measuring to damage, improved pole piece or electric core and waited for the integrality and the security of measuring the body in the testing process.
Description
Technical field
The application is related to detection technique field, more particularly to a kind of detection means.
Background technology
As electric automobile is developed rapidly, its battery core is also sent out towards high-energy-density, high security and long-life direction
Exhibition, but so design tends to occur the situation of battery core excessively expansion and deformation, in order to produce, can to meet high-energy close
Degree is required, and can reduce the battery core of excessive expansion, now needs to be monitored the thickness of battery core and its mechanism of intumescence is carried out
Analysis.
At present, in order to realize the test of battery core its thickness in charge and discharge process, now conventional means have two kinds：One kind is
Expanded thickness for the pole piece of battery core is detected, specifically, the stress section of pole piece and known elasticity modulus is in close contact
And apply certain load, the expanded thickness of pole piece is extrapolated using STRESS VARIATION in charge and discharge process, so as to extrapolate battery core
Expanded thickness in charge and discharge process；Another kind is directed to the overall expanded thickness of battery core and is detected, specifically, specially sets
Battery core fixture is counted, battery core can be vertically fixed in the middle of battery core fixture, and contact pressure has been installed in the both sides of battery core fixture
Stress displacement sensor, to realize the detection of battery core expanded thickness.
But both detection modes be required to pole piece or battery core directly contact, can so greatly increase pole piece or battery core
Probability of damage, is unfavorable for that pole piece or battery core carry out subsequent operation.
The content of the invention
This application provides a kind of detection means, can not only effective detection body to be measured expanded thickness, but also can keep away
Exempt from the prior art due to needing and pole piece or battery core directly contact and the situation that causes the body to be measured such as pole piece or battery core to damage.
This application provides a kind of detection means, the expanded thickness for detecting body to be measured, the detection means includes support
Platform and laser detection component,
The supporting table has the supporting surface for supporting the body to be measured,
The laser detection component is arranged in the supporting table, and the laser detection component includes at least one laser
Displacement transducer, direction, the laser displacement sensor and the body to be measured are projected along the laser of the laser displacement sensor
Face to be detected be oppositely arranged, the laser displacement sensor is used to detect the displacement in the face to be detected, to obtain described treating
Survey the expanded thickness of body.
Preferably, the supporting surface is oppositely arranged with the face to be detected along the expansion direction of the body to be measured.
Preferably, it is described also including the adjusting means being arranged between the laser displacement sensor and the supporting table
Adjusting means includes regulation briquetting, and the regulation briquetting can be pressed on the face to be detected.
Preferably, the adjusting means also includes being arranged between the regulation briquetting and the laser displacement sensor
Adjustment disk, the adjustment disk is threadedly coupled with the regulation briquetting, the laser detection for adjusting the laser displacement sensor
Distance.
Preferably, positioning mark is provided with the adjustment disk, the positioning mark can represent the adjustment disk regulation
Distance.
Preferably, the laser detection component also includes the fixed support being connected with the supporting table and the fixed branch
The fixed plate of frame connection and the drive component being connected with the fixed plate,
The laser displacement sensor is provided with the fixed plate,
The drive component can drive the fixed plate and the laser displacement sensor to produce near described to be detected
First stroke in face, and/or produce the second stroke away from the face to be detected.
Preferably, the laser detection component also includes the guide rail being connected with the fixed support, and the guide rail has extremely
A few track, the bearing of trend of the track is the direction parallel with the expansion direction of the body to be measured, in the fixed plate
Sliding block is provided with, the sliding block is arranged in the track, and can be slided along the bearing of trend of the track.
Preferably, the fixed plate is provided with the laser displacement sensor on the face of the guide rail.
The technical scheme that the application is provided can reach following beneficial effect：
In detection means provided herein, laser displacement sensor is not required to when the expanded thickness of body to be measured is detected
Will with body directly contact to be measured, therefore, can effectively avoid stress detection device of the prior art and pole piece or battery core from waiting
The situation surveyed body directly contact and cause body to be measured to damage, improves the body to be measured such as pole piece or battery core complete in detection process
Property and security.
It should be appreciated that the general description of the above and detailed description hereinafter are only exemplary, this can not be limited
Application.
Brief description of the drawings
Dimensional structure diagram after the detection means that Fig. 1 is provided by the application one embodiment and body to be measured assembling；
Fig. 2 is the planar structure schematic diagram after detection means and the body to be measured assembling shown in Fig. 1；
Fig. 3 is illustrated by the detection means that the application another embodiment is provided with the planar structure after body to be measured assembling
Figure；
The planar structure schematic diagram of the fixed plate in the detection means that Fig. 4 is provided by the embodiment of the present application；
Fig. 5 is the configuration schematic diagram of the adjusting apparatus in the detection means shown in Fig. 3.
Reference：
10- supporting tables；
100- supporting surfaces；
20- laser displacement sensors；
21- fixed supports；
22- fixed plates；
23- guide rails；
30- adjusting meanss；
300- adjusts briquetting；
301- adjustment disks；
301a- positioning marks；
302- nuts.
40- bodies to be measured；
400- faces to be detected.
Accompanying drawing herein is merged in specification and constitutes the part of this specification, shows the implementation for meeting the application
Example, and it is used to explain the principle of the application together with specification.
Specific embodiment
The application is described in further detail below by specific embodiment and with reference to accompanying drawing.
As shown in Figure 1 to Figure 3, the embodiment of the present application provides a kind of detection means, for detecting body to be measured 40 (in figure not
Show) expanded thickness, the expansion direction of the body to be measured 40 is the thickness direction of its own, and the expanded thickness of the body to be measured 40 is
Body to be measured 40 expand after thickness and body to be measured 40 expand before thickness between difference.
Detection means includes supporting table 10 and the laser detection component in supporting table 10, and supporting table 10 has to be used for
Support the supporting surface 100 of body to be measured 40, that is to say, that the supporting table 10 can support body to be measured 40, and laser detection component bag
At least one laser displacement sensor 20 is included, direction, laser displacement sensing are projected along the laser of laser displacement sensor 20
Device 20 is oppositely arranged with the face to be detected 400 of body to be measured 40, is shone with the laser for the laser displacement sensor 20 is launched
It is mapped on face to be detected 400, and can be reflected back in laser displacement sensor 20 through face to be detected 400, so as to can realizes to be checked
The displacement detecting in survey face 400, obtains the expanded thickness of body to be measured 40.In the application, because the laser displacement sensor 20 is in inspection
When surveying the expanded thickness of body to be measured 40, it is not necessary to the directly contact of body to be measured 40, therefore, the detection means can to difference it is big
Small, different shape and different types of body to be measured 40 carry out expanded thickness detection, for example, the detection means can be to pole piece or battery core
Expanded thickness detected, it is to avoid the single problem of detection means detection classification in the prior art.And by using sharp
Optical displacement sensor 20 detects to the expanded thickness of the body 40 to be measured such as pole piece or battery core, can not only improve detection means
Accuracy of detection, simultaneously as the laser displacement sensor 20 not with the directly contact of body 40 to be measured such as pole piece or battery core, can also have
What is imitated avoids the directly contacts of body to be measured 40 such as stress detection device of the prior art and pole piece or battery core and causes body to be measured 40
The situation of damage, improves integrality and security of the body 40 to be measured such as pole piece or battery core in detection process.
What deserves to be explained is, the detection means can not only carry out static expansion to the body to be measured 40 for having completed expansion
Thickness measure, but also real-time expanded thickness measurement can be carried out to the body to be measured 40 for expanding, that is to say, that this is to be measured
The expansion process of body 40 can be realized in supporting table 10, and laser displacement sensor 20 can be right in the expansion process of body to be measured 40
Its expanded thickness carries out real-time detection, the change of the expanded thickness of body to be measured 40 can be so associated with some expansion parameters,
It is easy to that subsequently body to be measured 40 is improved and adjusted.
In one embodiment of the application, the detection means can be thick to the expansion of the pole piece in charge and discharge process or battery core
Degree is detected that detailed process can be：Battery core is placed in supporting table 10 first, and the battery core is sensed positioned at laser displacement
, then be clipped in for the positive and negative electrode of battery core in the electrode clamp being connected with battery charging and discharging tester by the lower section of device 20, realizes battery core
With the connection of battery core charge-discharge test instrument, battery core charge-discharge test instrument can be also connected by data wire with work computer, the battery core
Charge-discharge test instrument is used for the charge-discharge test of battery core, and work computer is used to record and store test data, in above-mentioned each part
Between connect, and all parts parameter setting it is good after, then can carry out the charge and discharge process of battery core, at the same can also by swash
The optical controller control transmitting laser of laser displacement sensor 20, is carried out with the expanded thickness to the battery core in charge and discharge process
Real-time detection.
As shown in the above, the detection means in the application can fill the change of the expanded thickness of the pole piece or battery core with it
The important parameters such as voltage, electric current, capacity, state-of-charge, health status in discharge process are associated such that it is able to which help is taken off
Show the inherent mechanism and rule of battery core operation, in other words, the detection means can be widely applied in battery core development system, for example,
Judgement, expansion parameters detection at core material and design evaluation, aerogenesis in battery core development system and at analysis lithium, performance mechanism
The many aspects such as analysis and failure analysis, are easy to subsequently produce more excellent battery core.
Wherein, when the detection means using the application is detected to the expanded thickness of the battery core in charge and discharge process,
In order to avoid the factor influence testing result such as the electromagnetism of external environment and vibrations, the application also can be set vibration isolators and (not show in figure
Go out) and shelter-clad (not shown), the vibration isolators is arranged on the lower section of supporting table 10 and for supporting the supporting table 10,
To reduce the influence of the vibration facter to testing result of external environment, and shelter-clad cover is buckled in the outside of detection means, with
Reduce influence of the electromagnetic factors in external environment to testing result.
According to one embodiment of the application, the supporting surface 100 of above-mentioned supporting table 10 and the face to be detected 400 of body to be measured 40
It is oppositely arranged along the expansion direction of body to be measured 40, when the detection means is detected to the body to be measured 40 for expanding, can be led to
Cross supporting surface 100 and be supplied to 40 1 support forces of the body to be measured, to offset demi-inflation power, so as to the body to be measured 40 can be reduced exist
The probability misplaced in the presence of expansive force, it is ensured that the laser displacement sensor 20 can accurately detect body to be measured 40
Expanded thickness.
Preferably, the detection means also includes adjusting means 30 as shown in Figure 3 and Figure 5, and the adjusting means 30 is arranged on
Between laser displacement sensor 20 and supporting table 10, wherein, the quantity of the adjusting means 30 in the application can be multiple, and multiple is adjusted
Regulating device 30 can be uniformly arranged along the length direction of body to be measured 40, and each adjusting means 30 may include to adjust briquetting 300, the regulation
Briquetting 300 can be pressed on face to be detected 400, can not only so ensure that body to be measured 40 is stablely supported on supporting surface 100, and
And the body 40 to be measured such as battery core or pole piece can also be compressed reality, it is to avoid due to body to be measured 40 not consolidation and cause Detection results difference
Situation.
Further, since the regulation briquetting 300 is pressed on face to be detected 400, and when body to be measured 40 is expanded, face to be detected
400 can be moved along expansion direction, and now, regulation briquetting 300 can also be moved with face to be detected 400, therefore, when treating
When pressing has regulation briquetting 300 in detection faces 400, the laser of the transmitting of laser displacement sensor 20 can be irradiated to regulation briquetting 300
Towards on the face of laser displacement sensor 20, and it is reflected back towards the face of laser displacement sensor 20 through the regulation briquetting 300 sharp
In Optical displacement sensor 20, the displacement detecting of regulation briquetting 300 is realized, so as to obtain the displacement information in face to be detected 400, finally
Displacement information according to face to be detected 400 can calculate the expanded thickness of body to be measured 40, and so detection can suitably reduce laser position
The laser detection distance of displacement sensor 20, so that accurate when can improve 20 real-time detection expanded thickness of laser displacement sensor
Property.
Further, above-mentioned adjusting means 30 also includes being arranged between regulation briquetting 300 and laser displacement sensor 20
Adjustment disk 301, when on face to be detected 400 pressing have the adjusting means 30 including adjustment disk 301 when, laser displacement sensor 20
The laser of transmitting can be irradiated to adjustment disk 301 towards on the face of laser displacement sensor 20, and by the adjustment disk 301 towards swashing
The face of Optical displacement sensor 20 is reflected back in laser displacement sensor 20, realizes the displacement detecting of adjustment disk 301, so as to be treated
The displacement information of detection faces 400, finally the displacement information according to face to be detected 400 can calculate the expanded thickness of body to be measured 40,
Wherein, the adjustment disk 301 with regulation briquetting 300 be threadedly coupled, by adjust adjustment disk 301 and regulation briquetting 300 between away from
With a distance from the laser detection of adjustable laser displacement sensor 20 so that the laser displacement sensor 20 be at it is optimal
Laser detection distance, improves the accuracy of the real-time detection expanded thickness of laser displacement sensor 20.Preferably, the adjusting means
30 may also include at least one nut 302, the nut 302 be arranged on adjustment disk 301 and regulation briquetting 300 between, and with regulation
The screw thread of disk 301 coordinates, and the nut 302 can make have certain intervals between the adjustment disk 301 and regulation briquetting 300, with convenient
Follow-up adjustment adjustment disk 301.
What deserves to be explained is, project direction, laser detection distance mentioned above along the laser of laser displacement sensor 20
It is the distance from Laser emission source to the laser reflection of laser displacement sensor 20, can is mentioned above at the laser reflection
The face to be detected 400 of body to be measured 40, on regulation briquetting 300 towards court on the face of laser displacement sensor 20 or adjustment disk 301
To the face of laser displacement sensor 20, that is to say, that if in the application without design adjusting means 30, then the laser detection away from
Stated with a distance from face to be detected 400 from for Laser emission source is supreme, if adjusting means 30 is designed with the application, but the regulation
When device 30 only includes above-mentioned regulation briquetting 300, then laser detection distance then states regulation pressure for Laser emission source is supreme
Towards the distance in the face of laser displacement sensor 20 on block 300, if adjusting means 30 were designed with the application, and the regulation would be filled
Put 30 includes above-mentioned regulation briquetting 300 and above-mentioned adjustment disk 301 simultaneously, then laser detection distance is then Laser emission source
Towards the distance in the face of laser displacement sensor 20 on to above-mentioned adjustment disk 301.
Yet further, positioning mark 301a is provided with adjustment disk 301, positioning mark 301a can represent adjustment disk
The distance of 301 regulations, this distance is the thickness direction along body to be measured 40, the distance of adjustment disk 301 to regulation briquetting 30, by this
Positioning mark can quickly orient the optimal laser detection distance of identical body to be measured 40 such that it is able to improve the inspection of detection means
Survey efficiency.Preferably, positioning mark 301a can be the clearance channel for being opened in the sidepiece of adjustment disk 301, to reduce adjustment disk 301
Difficulty of processing.
Wherein, the shape of above-mentioned regulation briquetting 300 and adjustment disk 301 is including but not limited to square, circular arc, triangle,
Rhombus, polygon etc., and the material of above-mentioned regulation briquetting 300 and adjustment disk 301 includes but is not limited to iron, steel, carbon steel, aluminium or aluminium
Alloy, polymer composite etc., to reduce the influence to testing result, the main material for considering high rigidity and low temperature characteristic
Matter, it is preferable that the regulation briquetting 300 and adjustment disk 301 are made of the 45# carbon steels of chrome-faced.
Referring to figs. 1 to Fig. 3, laser detection component mentioned above may also include fixed support 21, fixed plate 22 and drive
Component.
Fixed support 21 is connected with supporting table 10, and the shape of the fixed support 21 is including but not limited to square, circular arc,
Triangle, rhombus etc., it is preferable that the fixed support 21 is made up of orthogonal crossbeam and vertical beam, and its entirety is square,
This design can increase the stability of fixed support 21.In addition, the material of the fixed support 21 includes but is not limited to iron, steel, carbon
Steel, aluminum or aluminum alloy, polymer composite etc., it is main to consider high rigidity and low temperature to reduce the influence to testing result
The material of characteristic, it is preferable that the fixed support 21 is made of the 45# carbon steels of chrome-faced.
Fixed plate 22 is connected with fixed support 21 and is provided with laser displacement sensor 20 mentioned above, the fixed plate 22
Shape is including but not limited to square, circular arc, triangle, rhombus etc., it is preferable that as shown in Figure 1, Figure 2 and Figure 4, this is fixed
It is in inverted T shape that plate 22 is overall, and so design can not only realize the installation of multiple laser displacement sensors 20, and can also effectively subtract
Space shared by small fixed plate 22.In addition, the material of the fixed plate 22 includes but is not limited to iron, steel, carbon steel, aluminium or aluminium closing
Gold, polymer composite etc., to reduce the influence to testing result, the main material for considering high rigidity and low temperature characteristic,
Preferably, the fixed plate 22 is made of the 45# carbon steels of chrome-faced.
And drive component can be servomotor, the drive component is connected with fixed plate 22, and can drive fixed plate 22 and swash
Optical displacement sensor 20 produces the first stroke near face to be detected 400, and/or produces the second row away from face to be detected 400
Journey such that it is able to adjust the laser detection distance of laser displacement sensor 20.
Wherein, what deserves to be explained is, by the position of adjustment fixing plate 22 and laser displacement sensor 20 adjusting laser
Detecting distance belongs to coarse adjustment category, the applicable situation for detecting the larger body different to be measured of difference in thickness respectively in detection means,
And it is previously mentioned belong to accurate adjustment category to adjust laser detection distance by adjusting adjustment disk 301, it is applicable in detection means
The situation of the less different bodies to be measured of difference in thickness is detected respectively, wherein, in order to reach more preferable regulating effect, both regulations
Mode can also be carried out simultaneously.
According to one embodiment of the application, above-mentioned fixed plate 22 is slidably connected with fixed support 21, specifically, laser inspection
Surveying component also includes the guide rail 23 being connected with fixed support 21, and the material of the guide rail 23 includes but is not limited to iron, steel, carbon steel, aluminium
Or aluminium alloy, polymer composite etc., it is preferable that the guide rail 23 of the application is made of the 45# carbon steels of chrome-faced.And should
Guide rail 23 has at least one track, and the shape of the track includes but is not limited to arc, linear etc., it is preferable that the track is in
Linear, and the bearing of trend of the track is the direction parallel with the expansion direction of body to be measured 40, and set in above-mentioned fixed plate 22
Sliding block is equipped with, the sliding block is set in orbit, and can be slided along the bearing of trend of track, in this application, guide rail 23 is played
Guide effect, can effectively reduce the probability shifted in the sliding process of fixed plate 22, so as to can improve in fixed plate 22
The detection accuracy of laser displacement sensor 20.
Preferably, the laser displacement sensor 20 in the application can be arranged on fixed plate 22 and deviate from the face of guide rail 23, this
Sample can not only reduce the installation difficulty of laser displacement sensor 20, but also laser displacement sensor 20 can be avoided to slide
In journey with fixed support 21 on the situation about interfering of guide rail 23.
In order to realize the detection of the expanded thickness everywhere of face to be detected 400, the application can be realized using following two ways：
The first, chooses a type for the laser displacement sensor of multi-point scanning treats the expansion everywhere of detection faces 400
Thickness is detected that, along perpendicular to the direction in face to be detected 400, the laser of transmitting is in face to be detected for the laser displacement sensor
Projection on 400 is in wire, and this kind of laser displacement sensor is primarily adapted for use in the more smooth body to be measured 40 of detection；
Second, selection multiple is arranged side by side and type is for the laser displacement sensor of simple scan treats detection faces 400
Expanded thickness everywhere is detected that along perpendicular to the direction in face to be detected 400, the laser of transmitting exists the laser displacement sensor
Projection on face to be detected 400 is in point-like, and this kind of laser displacement sensor is primarily adapted for use in the relatively rough body to be measured 40 of detection.
The preferred embodiment of the application is the foregoing is only, the application is not limited to, for the skill of this area
For art personnel, the application can have various modifications and variations.It is all within spirit herein and principle, made any repair
Change, equivalent, improvement etc., should be included within the protection domain of the application.
Claims (8)
1. a kind of detection means, the expanded thickness for detecting body to be measured, it is characterised in that including supporting table and laser detection group
Part,
The supporting table has the supporting surface for supporting the body to be measured,
The laser detection component is arranged in the supporting table, and the laser detection component includes at least one laser displacement
Sensor, direction is projected along the laser of the laser displacement sensor, and the laser displacement sensor is treated with the body to be measured
Detection faces are oppositely arranged, and the laser displacement sensor is used to detect the displacement in the face to be detected, to obtain the body to be measured
Expanded thickness.
2. detection means according to claim 1, it is characterised in that the supporting surface is treated with the face to be detected along described
The expansion direction for surveying body is oppositely arranged.
3. detection means according to claim 2, it is characterised in that also including be arranged on the laser displacement sensor with
Adjusting means between the supporting table, the adjusting means includes regulation briquetting, and the regulation briquetting can be pressed in described treating
In detection faces.
4. detection means according to claim 3, it is characterised in that the adjusting means also includes being arranged on the regulation
Adjustment disk between briquetting and the laser displacement sensor, the adjustment disk is threadedly coupled with the regulation briquetting, for adjusting
Save the laser detection distance of the laser displacement sensor.
5. detection means according to claim 4, it is characterised in that positioning mark is provided with the adjustment disk, it is described
Positioning mark can represent the distance of the adjustment disk regulation.
6. detection means according to any one of claim 1 to 5, it is characterised in that the laser detection component is also wrapped
The drive for including the fixed plate of the fixed support and fixed support connection being connected with the supporting table and being connected with the fixed plate
Dynamic component,
The laser displacement sensor is provided with the fixed plate,
The drive component can drive the fixed plate and the laser displacement sensor to produce near the face to be detected
First stroke, and/or produce the second stroke away from the face to be detected.
7. detection means according to claim 6, it is characterised in that the laser detection component also includes and the fixation
The guide rail of support connection, the guide rail has at least one track, and the bearing of trend of the track is swollen with the body to be measured
The parallel direction in swollen direction, is provided with sliding block in the fixed plate, the sliding block is arranged in the track, and can be along described
The bearing of trend of track is slided.
8. detection means according to claim 7, it is characterised in that
The fixed plate is provided with the laser displacement sensor on the face of the guide rail.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710106562.8A CN106840003A (en) | 2017-02-27 | 2017-02-27 | Detection device |
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|---|---|---|---|
| CN201710106562.8A CN106840003A (en) | 2017-02-27 | 2017-02-27 | Detection device |
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| CN106840003A true CN106840003A (en) | 2017-06-13 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109490307A (en) * | 2019-01-24 | 2019-03-19 | 沈阳工程学院 | Device based on pinhole imaging system metal linear expansion coefficient measurement |
| CN110109026A (en) * | 2019-04-08 | 2019-08-09 | 华南理工大学 | The measuring device and method of force component and displacement component are expanded in charging and discharging lithium battery |
| CN110530267A (en) * | 2018-05-25 | 2019-12-03 | 世宗技术株式会社 | Width dimensions measuring device for compact battery visual examination |
| CN111024008A (en) * | 2019-12-06 | 2020-04-17 | 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 |
| CN111721213A (en) * | 2020-06-30 | 2020-09-29 | 苏州天准科技股份有限公司 | Height difference detection device and size detection equipment |
| CN112859189A (en) * | 2020-12-31 | 2021-05-28 | 广东美的白色家电技术创新中心有限公司 | Workpiece detection device, detection method, and computer-readable storage medium |
| WO2021175349A1 (en) * | 2020-03-05 | 2021-09-10 | For G S.R.O. | Method of contactless determination of geometric accuracy of the shape of a transparent shaped flat product made of glass or plastics and a device for performing the method |
| CN113983914A (en) * | 2021-10-14 | 2022-01-28 | 苏州桐力光电股份有限公司 | Warping degree detection support and warping degree detection method |
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