CN108489880A - A kind of detection device and detection method for diaphragm - Google Patents
A kind of detection device and detection method for diaphragm Download PDFInfo
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- CN108489880A CN108489880A CN201810129207.7A CN201810129207A CN108489880A CN 108489880 A CN108489880 A CN 108489880A CN 201810129207 A CN201810129207 A CN 201810129207A CN 108489880 A CN108489880 A CN 108489880A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N15/088—Investigating volume, surface area, size or distribution of pores; Porosimetry
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
Abstract
A kind of detection device for diaphragm, including membrane coil jack, X-ray check mechanism, detection switch board and data analyzer, the operating status that membrane coil jack and X-ray check mechanism are controlled using detection switch board generates detection statistics list using data analyzer.Since detection process is completed under the action of detecting switch board, the troublesome operation of artificial detection is not only eliminated, also achieves the quick testing goal of entire volume diaphragm.In addition, the porosity detection method formed by detection device, include the steps that detection pattern setting, mechanism operating status control, detection data obtains and detection statistics list generates, due to introducing the real-time statistic analysis mechanism of testing result using data analyzer, it allows users in the detection statistics list for knowing entire volume diaphragm at the first time under particular detection pattern, to understand the product quality of entire volume diaphragm, not only reduces detection error, also improve detection efficiency.
Description
Technical field
The present invention relates to diaphragm detection fields, and in particular to a kind of detection device and detection method of diaphragm.
Background technology
Diaphragm is a kind of important industrial film material, is usually applied to field of batteries as internal resistance component.Battery
Type it is different, the diaphragm of use is also different, and usual diaphragm is nonconducting, and physicochemical properties have very the performance of battery
Big influence, the main function of diaphragm are that the positive and negative electrode of battery is made to separate, prevent the two poles of the earth contact and it is short-circuit, additionally have
There is the function that electrolyte ion can be made to pass through.The performance of diaphragm determines the interfacial structure of battery, internal resistance etc., directly affects battery
The characteristics such as capacity, cycle and security performance, the diaphragm haveing excellent performance has important work to the comprehensive performance for improving battery
With.For battery, since electrolyte is organic solvent system, it is therefore desirable to have the diaphragm material of organic solvent-resistant, generally
Using the polyolefin porous membrane of high-strength thin-film as diaphragm.The parameters such as porosity, surface density are to characterize the weight of membrane properties
One of parameter, especially diaphragm porosity is wanted to reflect the size in diaphragm gap and the relationship of internal resistance, common lithium ion battery
It is 40% or so with the porosity of diaphragm, and different batteries have the porosity of diaphragm stringent parameter request.
In the industrial production of diaphragm, the parameters such as detection diaphragm porosity, diaphragm surface density are to judge that produced diaphragm is
No important link up to standard.Currently, mainly using the related ginseng of the method for the artificial grab sample detection diaphragm that entire volume has been collected
Number, sample position is only limitted to the volume header and the end of reel of entire volume diaphragm, cannot analyze entire volume diaphragm, lack the entirety to diaphragm
The effective monitoring of the quality of production.In addition, the detection mode of manual sampling limits detection efficiency, it is also easy to occur because of operation error
The situation of caused measurement accuracy difference cannot meet effective control requirement to product quality.
Invention content
The present invention solves the technical problem of how to detect entire volume diaphragm to obtain the porosity knead dough of entire volume diaphragm
The distribution situation of density.In order to solve the above technical problems, the present invention provides a kind of detection device for diaphragm and detection sides
Method.
According to the first aspect, a kind of detection device for diaphragm is provided in a kind of embodiment, including：
Membrane coil jack carries out retractable volume operation for diaphragm；
X-ray check mechanism for carrying out X-ray check to diaphragm during diaphragm retractable volume, and exports detection data；
Mechanism is tested and analyzed, is connect with X-ray check mechanism signal, for obtaining the detection data and according to described
Detection data generates detection statistics list.
According to the second aspect, a kind of porosity detection method for diaphragm is provided in a kind of embodiment, including following
Step：
The retractable volume operation process of diaphragm is controlled according to preset detection pattern；
The detection data of diaphragm is obtained during diaphragm retractable volume；
Detection statistics list is generated according to the detection data.
The advantageous effect of the application is：
According to a kind of detection device for diaphragm of above-described embodiment, including membrane coil jack, X-ray check mechanism
It is utilized using the operational process of detection and analysis mechanism controls membrane coil jack and X-ray check mechanism with detection and analysis mechanism
Detection and analysis mechanism obtains detection data and generates detection statistics list.Since detection process detects control in testing and analyzing mechanism
It is completed under the action of cabinet processed, not only eliminates the troublesome operation of artificial detection, also achieve the quick testing goal of entire volume diaphragm.
In addition, the porosity detection method formed by detection device, including diaphragm retractable volume Operation control, detection data obtain in real time
The step of being generated with detection statistics list is taken, as a result of the real-time statistic analysis mechanism of testing result so that user can
Detection statistics list of the entire volume diaphragm under particular detection pattern is being known at the first time, to understand the product matter of entire volume diaphragm
Amount, not only reduces detection error, also improves detection efficiency.
Description of the drawings
Fig. 1 is the front schematic view of diaphragm detection device；
Fig. 2 is the stereoscopic schematic diagram of diaphragm detection device
Fig. 3 is the flow diagram of diaphragm porosity detection method；
The flow diagram of Fig. 4 diaphragm retractable volume operations in order to control；
Fig. 5 diaphragm test position and obtains the flow diagram of detection data in order to control.
Specific implementation mode
Below by specific implementation mode combination attached drawing, invention is further described in detail.Wherein different embodiments
Middle similar component uses associated similar element numbers.In the following embodiments, many datail descriptions be in order to
The application is better understood.However, those skilled in the art can be without lifting an eyebrow recognize, which part feature
It is dispensed, or can be substituted by other elements, material, method in varied situations.In some cases, this Shen
Please it is relevant some operation there is no in the description show or describe, this is the core in order to avoid the application by mistake
More descriptions are flooded, and to those skilled in the art, these relevant operations, which are described in detail, not to be necessary, they
It can completely understand relevant operation according to the general technology knowledge of description and this field in specification.
It is formed respectively in addition, feature described in this description, operation or feature can combine in any suitable way
Kind embodiment.Meanwhile each step in method description or action can also can be aobvious and easy according to those skilled in the art institute
The mode carry out sequence exchange or adjustment seen.Therefore, the various sequences in the description and the appended drawings are intended merely to clearly describe a certain
A embodiment is not meant to be necessary sequence, and wherein some sequentially must comply with unless otherwise indicated.
It is herein component institute serialization number itself, such as " first ", " second " etc., is only used for distinguishing described object,
Without any sequence or art-recognized meanings.And " connection ", " connection " described in the application, unless otherwise instructed, include directly and
It is indirectly connected with (connection).
Porosity refers to the percentage that material internal pore volume accounts for its total volume, reflects the compactness extent of material.
Generally use weight accounting is calculated when calculating diaphragm porosity, i.e. porosity=(unit area calculating grammes per square metre-unit area
Actual grammage)/unit area calculating grammes per square metre.Wherein, unit area actual grammage=diaphragm surface density=membrane degradation coefficient *
0.05* membrane thicknesses * actual membrane density, unit area calculate grammes per square metre=non-porous barrier density * membrane thicknesses * 0.05.It is practical
Diaphragm density refers to the diaphragm density required by production technology, because of the diaphragm that the diaphragm of production is certain porosity, then can will be waited for
Test diaphragm is known as actual membrane or is free diaphragm；Non-porous barrier density refers to the diaphragm density that porosity is zero, porosity
The diaphragm for being zero can be described as non-porous barrier.
Surface density refers to the quality of the substance unit area of specific thicknesses, reflects the crack degree of material, and characterization
One important parameter of membrane performance.The representation formula of diaphragm surface density is：Surface density=unit area actual grammage/unit plane
Product, wherein unit area actual grammage can refer to the computational methods of porosity, finally obtain, diaphragm surface density=membrane degradation
Coefficient * 0.05* membrane thicknesses * actual membrane density.
Referring to Fig.1 and 2, a kind of detection device for diaphragm comprising membrane coil jack 1, X-ray check machine
Structure 3 and detection and analysis mechanism 5.
Membrane coil jack 1 is connect with 5 signal of mechanism is tested and analyzed, for carrying out retractable volume operation to diaphragm A1.
In one embodiment, membrane coil jack 1 includes rack 10, unreels device 11 and coiler 12, unreels device 11 and coiler 12 divides
It is not set to the on both sides of the upper end position of rack 10, unreels device 11 for placing membrane coil to be detected, coiler 12, which has, to be received
Volume motor 121 (servo motor preferably by velocity interval at 0~100 m/min) is to collect the diaphragm detected, winding electricity
Machine 121 is connect with 5 signal of mechanism is tested and analyzed, for carrying out winding operation to diaphragm A1 when receiving motor control signal,
Meanwhile it unreeling device 11 and diaphragm A1 is carried out to unreel operation.Unreeling device 11 and coiler 12 all has for fixing diaphragm core
Core pneumatic chuck and a pair of of the Lateral pneumatic collet for being applicable in different in width membrane coil for flexible setting.Due to coiler
12, unreel device 11 and pneumatic chuck it is (unmarked in figure) be the prior art, be no longer described in detail here.
Further, in one embodiment, big rouleau regulating mechanism 15 is provided in rack 10, which is adjusted
Mechanism 15 includes rolling up wide regulation motor 151 and adjusting connecting rod 152, adjust connecting rod 152 respectively with unreel device 11 and coiler 12
Lateral pneumatic collet connects, and regulation motor 152 is connect with 5 signal of mechanism is tested and analyzed, and the regulation motor 152 is wide for receiving roll
Control signal simultaneously adjusts the placement width of the membrane coil of membrane coil jack by adjusting connecting rod 152.
Further, in one embodiment, tension regulator 14 is additionally provided in rack 10, tension regulator 14 is set
Be placed on the transfer passage of diaphragm A1, connect with detection and analysis mechanism 5 signal, the conveyance tension for adjusting diaphragm, be used for
The tension testing result that detection and analysis mechanism 5 sends diaphragm is accurately adjusted to test and analyze mechanism 5 according to tension testing result
Save the velocity of rotation of winding motor 121.Tension regulator 14 is the prior art, is no longer described in detail here.
Further, in one embodiment, be provided with multiple deflector rolls 13 in rack 10, deflector roll 13 be horizontally installed on every
It contacts on the transfer passage of film A1 and with diaphragm A1 forming faces or line contacts, the conveying direction for adjusting diaphragm A1 is also used
Transmit in the tensioning state for keeping diaphragm A1 and smoothly effect.
X-ray check mechanism 3 connect with detection and analysis mechanism 5 signal, be used for during diaphragm retractable volume to diaphragm A1
X-ray check is carried out, and exports detection data.In one embodiment, X-ray check mechanism 3 includes detector motion guide rail 32 and X-ray
Detector 31, illustrates separately below.
Detector motion guide rail 32 is erected at the upper surface of rack 10, and setting is unreeling between device 11 and coiler 12,
Lower section is there are the transmission channel of diaphragm A1, the guide rail motor 321 on the detector motion guide rail 32 and 5 signal of detection and analysis mechanism
It connects, X ray tester 31 is lifted on guide rail, guide rail motor 321 controls its 104 motion control signal simultaneously for receiving detection
Control X ray tester 31 moves along the rail (transverse movement i.e. relative to the transmission direction of diaphragm A1).
X ray tester 31 is connect with 5 signal of mechanism is tested and analyzed, for receiving detection control signal and returning to testing number
According to.In one embodiment, X ray tester 31 includes that X-ray emission source and X-ray receive source and (emission source and receive source in figure
It is unmarked), contact occurs for the preferred X-ray using 8 ㎜ of diameter, 0.05 ㎡ of area, and X-ray emission source and X-ray receive source and be set to
Attenuation theory is occurred through diaphragm with X-ray and is detected work for the both ends of diaphragm to be detected, the two for coordinate detection every
Film.Since X ray tester 31 is the prior art, no longer it is described in detail here.
Detection and analysis mechanism 5 is connect with diaphragm retractable volume mechanism 1 and 3 signal of X-ray check mechanism, for controlling diaphragm retracting
The operational process of laying mechanism 1 and X-ray check mechanism 3, for generating detection statistics list according to detection data.Test and analyze mechanism
5 include detection switch board 51 and data analyzer 52, is illustrated separately below.Here detection data refers to membrane degradation coefficient,
It is calculated by the attenuation of X-ray, calculating process is the prior art, and it will not be described here.
Detection switch board 51 is used to control the operational process of membrane coil jack 1 and X-ray check mechanism 3, for receiving X
The detection data that light detecting mechanism 3 returns.Detection switch board 51 is the control unit with specific control logic, for controlling inspection
The course of work for surveying device, particularly for controlling the work of winding motor 121, detector motion guide rail 32 and X ray tester 31
State.It detects switch board 51 and preferably uses PLC controller, there is the input/output port of all kinds of control signals and for user
Operation control panel (control panel here be key panel or touch panel, specially which kind of be not limited).Due to
The hardware cell for detecting switch board 51 is the prior art, is no longer described in detail here.
Data analyzer 52 is communicated to connect with detection switch board 51, the detection data forwarded for receiving detection switch board 51
And detection statistics list is generated according to detection data.In one embodiment, data analyzer 52 not only has data input
Also there is the list checked for user to show screen and set the list control panel of list format for user for output port.By
In data analyzer 105 be universal data analysis and display equipment, hardware are the prior art, is no longer carried out here specifically
It is bright.
Correspondingly, referring to FIG. 2, this application discloses a kind of porosity detection method for diaphragm, its step are as follows：
S100 controls the retractable volume operation process of diaphragm, the detection pattern packet here preset at according to preset detection pattern
Include any one of row linear pattern, row linear pattern and curve-like pattern.
Row linear pattern includes that control test position persistently conveys diaphragm when motionless, and detection data is exported with certain frequency.
Row linear pattern stops conveying diaphragm when including control test position movement, and detection data is exported with certain frequency.
Curve-like pattern persistently conveys diaphragm when including control test position movement, and detection data is exported with certain frequency.
S200 controls diaphragm test position according to detection pattern, and control diaphragm detecting instrument is examined with certain rate-adaptive pacemaker
Measured data.Fig. 1 is please referred to, in one embodiment, detection switch board 51 is sent out according to the detection pattern set to winding motor 121
Power transmission machine control signal carries out winding operation to control winding motor 121, meanwhile, switch board 51 is detected to detector motion guide rail
32 guide rail motor 321 sends motion control signal to control guide rail movement and X ray tester 31 is moved to corresponding detection
Position, it is then detected that switch board 51 sends detection control signal so that X ray tester 31 starts detection to X ray tester 31
Function simultaneously exports detection data.
S300 generates detection statistics list.Data analyzer 52 continuously obtains detection data from detection switch board 51, to this
A little data are arranged, and corresponding detection statistics list under different detection patterns is obtained, and detection statistics list is the inspection of alignment shape
Survey statistics list, line shape detection statistics list and curvilinear detection statistics list one of.
As shown in figure 3, the retractable volume operation process for controlling diaphragm according to preset detection pattern specifically includes step S110
~S112.
S110, user's setting on detection switch board 51 need the width of the membrane coil detected, detect 51 basis of switch board
The big rouleau adjustment structure 15 of wide set value calculation is rolled up to work, to adjust unreel the Lateral pneumatic collet of device 11 and coiler 12 with
Reach the wide setting value of volume.
S111 controls the conveyance tension and conveying direction of diaphragm.It detects switch board 51 and controls the mistake that winding motor 121 rotates
Cheng Zhong, the detection switch board 51 tension detection data that also continuously acquisition tension regulator 14 is sent, detection switch board 51 judge
Whether the tension detection data is normal, and whether the speed of service to judge winding motor 121 is normal, it is therefore an objective to convenient for control winding
The movement velocity of motor 121.
Also, the conveying direction of diaphragm A1 is adjusted by deflector roll 13, also keeps the tensioning state of diaphragm A1 and smooth biography
Send effect.
S112, control diaphragm are conveyed according to detection pattern.Here detection pattern includes row linear pattern, line shape
Any one of pattern and curve-like pattern, illustrate separately below.
In one embodiment, row linear pattern is the inspection that diaphragm A1 is persistently conveyed when 31 position of X ray tester is motionless
Survey pattern, i.e., the detection pattern that winding motor 121 works when detector motion guide rail 32 does not work, in the diaphragm detected
The detection of alignment shape is formed on A1.
In one embodiment, row linear pattern is the detection for stopping conveying diaphragm when 31 position of X ray tester moves
Pattern, i.e., 121 idle detection pattern of winding motor when detector motion guide rail 32 works, in the diaphragm detected
The detection statistics list of line shape is formed on A1.
In one embodiment, curve-like pattern is the detection that 31 position of X ray tester moved and persistently conveyed diaphragm
Pattern, i.e., the detection pattern that the work of detector motion guide rail 32 and winding motor 121 work, in the diaphragm A1 detected
The detection statistics list of upper forming curves shape.
In the present embodiment, user is by detecting the step of detection pattern is arranged in switch board 51 also calculating parameter setting step
Suddenly, thickness data, actual membrane density data and the non-porous barrier density of diaphragm A1 to be detected are inputted on detection switch board 51
Data.
As shown in figure 4, controlling diaphragm test position according to the detection pattern and controlling diaphragm detecting instrument with certain
The method of rate-adaptive pacemaker detection data includes following step：
When detecting the execution row linear pattern of switch board 51, including step S210 to S211.
S210, detection switch board 51 send motor control signal and control winding motor 121 and received to winding motor 121
Operation is rolled up, at this point, contact is occurred for the X-ray for continuously passing through X ray tester 31 by diaphragm A1.Meanwhile switch board 51 is detected to detection
The guide rail motor 321 of instrument motion guide rail 32 sends motion control signal, and control guide rail moves and X ray tester 31 is moved to one
Inspection positions stop so that X-ray occurs contact and takes exercises along alignment direction relative to diaphragm A1, preferably does and at the uniform velocity transports
It is dynamic.
Then S211 detects switch board 51 and periodically sends detection control signal, control X-ray inspection to X-ray detector 101
It surveys instrument 31 to work (preferably by the sample frequency of 10ms) definitely to detect frequency, and detection data (is referred into diaphragm
Attenuation coefficient) it is sent to detection switch board 51.
When detecting the execution row linear pattern of switch board 51, including step S220 to S221.
S220, detection switch board 51 send motor control signal and control winding motor 121 and received to winding motor 121
Operation is rolled up, is stopped after diaphragm A1 is by conveying a distance, diaphragm A1 will be stopped on transfer passage.At this point, detection switch board
51 send motion control signal to the guide rail motor 321 of detector motion guide rail 32, and control guide rail moves and makes X ray tester
31 X-ray occurs contact and takes exercises along line direction relative to diaphragm A1, preferably moves with uniform velocity.
S221, during the detection control X ray tester 31 of switch board 51 is moved to the other end from guide rail one end, to X-ray
Detector 31 periodically sends detection control signal, and control X ray tester 31 is worked with definitely detecting frequency, and will
The detection data obtained every time is sent to detection switch board 51.
In one embodiment, stop motion and detection when X ray tester 31 is moved to the marginal position of diaphragm A1, detection control
51 winding motor 121 of cabinet and X ray tester 31 processed repeat step S220 to S221.
When detecting the execution curve-like pattern of switch board 51, including step S330 to S331.
S330, detection switch board 51 send motor control signal and control winding motor 121 and received to winding motor 121
Operation is rolled up, contact is occurred for the X-ray for continuously passing through X ray tester 31 by diaphragm A1.Meanwhile it detecting switch board 51 and being moved to detector
The guide rail motor 321 of guide rail 32 sends motion control signal, and control guide rail moves and X ray tester 31 is done back and forth along guide rail
It moves (taking exercises along S type curves relative to diaphragm A1), the one way distance of back and forth movement is the width of membrane coil.
S331, in the motion process of X ray tester 31, detection switch board 51 is periodically sent to X-ray detector 101
Detection control signal, control X ray tester 31 is worked with definitely detecting frequency, and the detection data obtained every time is sent out
It send to detection switch board 51.
Please refer to Fig. 4, detection switch board 51 controls the inspection that after X ray tester 31 exports detection data, will be received every time
Measured data is forwarded to data analyzer 52, while the detection position data that X ray tester 31 is also sent to data analyzer 52 (can
Obtained by the movement position of detector motion guide rail 32) and detection frequency data and diaphragm A1 conveying speed data
(can be obtained by the movement velocity of winding motor).Detection data of the data analyzer 105 in receiving step S203, detection
After position data, detection frequency data and conveying speed data, detection data is substituted into relevant calculation formula and obtains currently quilt
Diaphragm porosity at detection and/or diaphragm surface density.Data analyzer 52 according to detection position data, detection frequency data and
Conveying speed data form the simulation diaphragm face of diaphragm A1, and diaphragm is marked at the detected position on the simulation diaphragm face
Porosity value, it includes in data analyzer 105 that the simulation diaphragm face with diaphragm porosity, which is finally formed detection statistics list,
Display screen on.Can also mark the surface density value of diaphragm at the detected position on the simulation diaphragm face, and to its into
Row display.
In one embodiment, the detection statistics list generated include diaphragm porosity detection statistics list and/or
Diaphragm surface density detection statistics list, each form data in the former are obtained by the calculation formula of diaphragm porosity, then
Each form data in person is obtained by the calculation formula of diaphragm surface density, for that can set system on data analyzer 52
It counts, which kind of detection statistics list is shown.In addition, detection statistics list is divided into three kinds of sheet formats, the detection statistics table of alignment shape
Single, the detection statistics list of line shape and curvilinear detection statistics list, these three sheet formats are respectively in alignment shape mould
It is formed under formula, row linear pattern and curve-like pattern.Detection time that three kinds of sheet formats are spent, detection number, detection
Covering surface and data integrity are different, which kind of detection pattern user can select using according to actual needs and which is obtained
Kind detection statistics list.
In one embodiment, detection statistics list includes various types of two-dimensional data tables, three-dimensional data table and divides
Correction data table is analysed, specific form types are not limited.
In another embodiment, the X ray tester in detection device can be exchanged with to other detecting instruments, such as thickness is examined
Instrument, air penetrability detector, puncture strength detector, heat stability test instrument etc. are surveyed, to obtain the thickness about diaphragm, breathe freely
The data such as rate, puncture strength, thermal stability obtain the detection statistics list of related data according to step S100 to S300.
Use above specific case is illustrated the present invention, is merely used to help understand the present invention, not limiting
The system present invention.For those skilled in the art, according to the thought of the present invention, can also make several simple
It deduces, deform or replaces.
Claims (13)
1. a kind of detection device for diaphragm, which is characterized in that including：
Membrane coil jack, for carrying out retractable volume operation to diaphragm；
X-ray check mechanism for carrying out X-ray check to diaphragm during diaphragm retractable volume, and exports detection data；
Mechanism is tested and analyzed, is connect with X-ray check mechanism signal, for obtaining the detection data and according to the detection
Data generate detection statistics list.
2. detection device as described in claim 1, which is characterized in that the membrane coil jack includes unreeling device and winding
Device, for the device that unreels for placing membrane coil to be detected, the coiler has winding motor, for collect detected every
Film.
3. detection device as claimed in claim 2, which is characterized in that the membrane coil jack further includes that big rouleau is adjusted
Mechanism, the big rouleau regulating mechanism unreels device and the coiler is connect by adjusting connecting rod with described, described in adjusting
Unreel the placement width of the membrane coil of device and the coiler.
4. detection device as claimed in claim 3, which is characterized in that the membrane coil jack further includes tension regulator
With multiple deflector rolls；
The tension regulator is set on the transfer passage of diaphragm, is connect with detection and analysis mechanism signal, for adjusting
The conveyance tension of diaphragm, the tension testing result for sending diaphragm to the detection and analysis mechanism；
The deflector roll is arranged on the transfer passage of diaphragm, the conveying direction for adjusting diaphragm.
5. detection device as claimed in claim 4, which is characterized in that the membrane coil jack further includes rack, described
It described unreel device, the coiler, the big rouleau regulating mechanism, the tension regulator for installing in rack or described leads
Roller.
6. detection device as described in claim 1, which is characterized in that the X-ray check mechanism includes X ray tester and detection
Instrument motion guide rail；
The detector motion guide rail is electrically connected with the detection and analysis mechanism, and the X is lifted on the detector motion guide rail
Optical detector is moved along the rail for controlling the X ray tester；
The X ray tester includes X-ray emission source and X-ray receives source, and the two is for coordinating detection diaphragm.
7. detection device as described in claim 1, which is characterized in that the detection and analysis mechanism includes detection switch board sum number
According to analyzer；
The detection switch board is used to control the operational process of the membrane coil jack and the X-ray check mechanism, uses
In the detection data for receiving the X-ray check mechanism return；
The data analyzer is communicated to connect with the detection switch board, the testing number for receiving the detection switch board forwarding
Detection statistics list is generated according to and according to the detection data.
8. such as claim 1-7 any one of them detection devices, which is characterized in that the detection statistics list includes membranes pores
Gap rate detection statistics list and/or diaphragm porosity detection statistics list.
9. a kind of porosity detection method for diaphragm, which is characterized in that include the following steps：
The retractable volume operation process of diaphragm is controlled according to preset detection pattern；
The detection data of diaphragm is obtained during diaphragm retractable volume；
Detection statistics list is generated according to the detection data.
10. being used for the porosity detection method of diaphragm as claimed in claim 9, which is characterized in that described according to preset inspection
The retractable volume operation process of scheme control diaphragm is surveyed, including：The placement width for controlling membrane coil, controls the conveyance tension of membrane coil
And conveying direction, control diaphragm are conveyed according to the detection pattern.
11. being used for the porosity detection method of diaphragm as claimed in claim 10, which is characterized in that the detection pattern includes
Any one of row linear pattern, row linear pattern and curve-like pattern；
The row linear pattern includes that control test position persistently conveys diaphragm when motionless, and detection data is exported with certain frequency；
The row linear pattern stops conveying diaphragm when including control test position movement, and detection data is exported with certain frequency；
The curve-like pattern persistently conveys diaphragm when including control test position movement, and detection data is exported with certain frequency.
12. being used for the porosity detection method of diaphragm as claimed in claim 11, which is characterized in that described in diaphragm retractable volume
The detection data of diaphragm is obtained in the process, including：Diaphragm test position is controlled according to the detection pattern, controls diaphragm detector
Device is with certain rate-adaptive pacemaker detection data.
13. being used for the porosity detection method of diaphragm as claimed in claim 12, which is characterized in that described according to the detection
Data generate detection statistics list, including：
Under the row linear pattern, the detection statistics list of the alignment shape of detected diaphragm is formed according to the detection data；
Under the row linear pattern, the detection statistics list of the line shape of detected diaphragm is formed according to the detection data；
Under the curve-like pattern, the curvilinear detection statistics list of detected diaphragm is formed according to the detection data.
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| CN201810129207.7A CN108489880A (en) | 2018-02-08 | 2018-02-08 | A kind of detection device and detection method for diaphragm |
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| CN201810129207.7A CN108489880A (en) | 2018-02-08 | 2018-02-08 | A kind of detection device and detection method for diaphragm |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111103213A (en) * | 2019-04-19 | 2020-05-05 | 宁德时代新能源科技股份有限公司 | Coating surface density detection device and method |
| CN111103214A (en) * | 2019-04-19 | 2020-05-05 | 宁德时代新能源科技股份有限公司 | Coating surface density detection device and method |
| CN111112854A (en) * | 2020-01-07 | 2020-05-08 | 深圳市兴禾自动化有限公司 | Isolating membrane puncture detection and laser cutting equipment |
| CN117169238A (en) * | 2023-11-03 | 2023-12-05 | 南通宝加利新材料有限公司 | Protective film defect detection equipment and method thereof |
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| CN111103213B (en) * | 2019-04-19 | 2022-07-29 | 宁德时代新能源科技股份有限公司 | Coating surface density detection device and method |
| CN111103214B (en) * | 2019-04-19 | 2022-07-29 | 宁德时代新能源科技股份有限公司 | Coating surface density detection device and method |
| CN111112854A (en) * | 2020-01-07 | 2020-05-08 | 深圳市兴禾自动化有限公司 | Isolating membrane puncture detection and laser cutting equipment |
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Application publication date: 20180904 |