CN115585735A - Detection device and detection method for microporous coating of membrane electrode gas diffusion layer - Google Patents
Detection device and detection method for microporous coating of membrane electrode gas diffusion layer Download PDFInfo
- Publication number
- CN115585735A CN115585735A CN202211236786.8A CN202211236786A CN115585735A CN 115585735 A CN115585735 A CN 115585735A CN 202211236786 A CN202211236786 A CN 202211236786A CN 115585735 A CN115585735 A CN 115585735A
- Authority
- CN
- China
- Prior art keywords
- plate
- sliding
- diffusion layer
- fixedly connected
- drives
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000009792 diffusion process Methods 0.000 title claims abstract description 90
- 238000001514 detection method Methods 0.000 title claims abstract description 75
- 239000011248 coating agent Substances 0.000 title claims abstract description 23
- 238000000576 coating method Methods 0.000 title claims abstract description 23
- 239000012528 membrane Substances 0.000 title claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 238000000034 method Methods 0.000 claims abstract description 5
- 238000005192 partition Methods 0.000 claims description 19
- 238000009413 insulation Methods 0.000 claims description 8
- 238000001179 sorption measurement Methods 0.000 claims description 6
- 239000000758 substrate Substances 0.000 claims description 6
- 238000010521 absorption reaction Methods 0.000 claims description 4
- 238000012360 testing method Methods 0.000 abstract description 6
- 230000001681 protective effect Effects 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 239000000523 sample Substances 0.000 description 6
- 230000000712 assembly Effects 0.000 description 5
- 238000000429 assembly Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 240000007643 Phytolacca americana Species 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002940 repellent Effects 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/34—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring roughness or irregularity of surfaces
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Geophysics And Detection Of Objects (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The invention discloses a detection device and a detection method for a microporous coating of a membrane electrode gas diffusion layer, and the technical scheme is as follows: the device comprises a workbench, wherein two supporting plates are fixedly arranged in the workbench, an annular shell is arranged in the workbench, four vertical plates are fixedly connected to the inner side of the annular shell, an insulating plate is fixedly connected to the tops of the four vertical plates, a diffusion layer body is arranged at the top of the insulating plate, a straightening mechanism is arranged in the annular shell, and a detection mechanism is arranged at the top of the diffusion layer body; the detection mechanism comprises a top support, the top support is fixedly provided with a workbench top, the top of the top support is fixedly provided with a protective shell, the top of the top support is fixedly provided with a fixed plate, one side of the fixed plate is provided with two symmetrically-arranged inclined chutes, the top of the fixed plate is fixedly provided with a second motor, and the output end of the second motor is fixedly connected with a first lead screw, so that the detection mechanism has the beneficial effects that: the error that the reduction detected the existence reduces and detects the cost, improves detection speed and detection efficiency, and can not cause the damage to the sample in the testing process.
Description
Technical Field
The invention relates to the technical field of detection of a membrane electrode gas diffusion coating, in particular to a detection device and a detection method of a microporous coating of a membrane electrode gas diffusion layer.
Background
The gas diffusion layer is generally divided into a substrate layer and a microporous layer, slurry of the microporous layer is generally composed of carbon powder, a water repellent and a solvent, is generally coated on the surface of the substrate layer by means of plane blade coating, roll-to-roll and the like, and forms a layered structure after heat treatment to be adhered on the surface of the substrate layer.
The existing defect diagnosis of the gas diffusion layer mostly adopts a laser ranging and thickness instrument to evaluate whether the microporous layer is unevenly coated, a 3d profile instrument is adopted at a laboratory level to evaluate the thickness change of the microporous layer, the laser ranging requires high instrument precision and fast reaction, otherwise, the production rate of the gas diffusion layer can be influenced, the clamped thickness gauge needs to adopt a deep throat thickness instrument to measure each point for artificial measurement to obtain an average value, the artificial factors can cause errors, the measurement range of a rod movement thickness test instrument is also smaller, the evaluation range of the 3d profile instrument is smaller, only the thickness change of micrometer to millimeter level can be measured, the range is small and cannot show the real condition, in addition, white light is needed to debug a grating during experimental test, the time of measuring one sample is about 5 minutes, in addition, the instrument is high in price and higher in test cost, a four-probe method is usually adopted for testing surface resistance, the test range is about millimeter level, in addition, the probe easily punctures and leaks the gas diffusion layer, and the sample can not be continuously used after being tested.
Disclosure of Invention
Therefore, the invention provides a detection device and a detection method for a microporous coating of a gas diffusion layer of a membrane electrode, and aims to solve the problems that the detection of the gas diffusion coating has errors, the detection cost is high, the detection time is slow, the efficiency is low, and a detected sample is easy to damage, so that the detection cannot be used continuously.
In order to achieve the above purpose, the invention provides the following technical scheme: a detection device for a microporous coating of a membrane electrode gas diffusion layer comprises a workbench, wherein two supporting plates are fixedly arranged inside the workbench, an annular shell is arranged inside the workbench, four vertical plates are fixedly connected to the inner side of the annular shell, an insulating plate is fixedly connected to the tops of the four vertical plates, a diffusion layer body is arranged at the top of the insulating plate, a straightening mechanism is arranged inside the annular shell, and a detection mechanism is arranged at the top of the diffusion layer body;
detection mechanism includes the top support, the fixed workstation top that is equipped with of top support, the fixed protecting crust that is equipped with in top support top, the fixed plate that is equipped with in top support top, the oblique spout that two symmetries set up is seted up to fixed plate one side, the fixed second motor that is equipped with in fixed plate top, second motor output end fixedly connected with first lead screw, first lead screw runs through the fixed plate top and passes through the bearing with the fixed plate top and be connected, first lead screw bottom is passed through the bearing with top support top and is connected, the outside cover of first lead screw is equipped with the second connecting block, first lead screw passes through threaded connection with the second connecting block, the equal fixedly connected with transverse telescopic link in second connecting block both sides, two side spouts, two have been seted up to fixed plate transverse telescopic link all runs through the side spout, two the equal fixedly connected with third sliding block of transverse telescopic link one end.
Preferably, it includes the baffle to dial positive mechanism, the baffle is located inside the annular shell, baffle bottom fixedly connected with a plurality of springs, and is a plurality of spring bottom and annular shell bottom lateral wall fixed connection, the baffle top is equipped with a plurality of positive subassemblies of dialling, dial positive subassembly and include the pinion rack, the fixed baffle top of locating of pinion rack, the pinion rack runs through annular shell top and with annular shell top sliding connection, pinion rack one side meshing is connected with the gear, gear one side fixedly connected with dials the board, gear outside cover is equipped with the cover plate, the gear both ends pass through the bearing with cover plate both sides wall and are connected, the equal fixedly connected with connecting axle in baffle both sides, the axial trough has been seted up to workstation both sides wall, two the connecting axle runs through respectively two the axial trough and with two axial trough sliding connection, two connecting axle one end all is connected with the pulley through the bearing, two the pulley respectively with two the fagging contacts.
Preferably, the detection mechanism further comprises a third motor, the third motor is fixedly arranged at the top of the fixed plate, a second lead screw is fixedly connected to the output end of the fixed plate, the second lead screw penetrates through the top of the fixed plate and is connected with the top of the fixed plate through a bearing, the bottom end of the second lead screw is connected with the top of the top support through a bearing, a first connecting block is sleeved outside the second lead screw, the second lead screw is connected with the first connecting block through a thread, a first sliding rail is fixedly connected to one side of the first connecting block, two sliding blocks are arranged on the inner side of the first sliding rail, two vertical telescopic rods are arranged inside the fixed plate and penetrate through the two vertical grooves respectively, and the bottom end of each vertical telescopic rod is fixedly connected with the connecting support.
Preferably, the workstation is inside to be connected with the threaded rod through the bearing, the outside cover of threaded rod is equipped with the screw thread piece, the threaded rod passes through threaded connection with the screw thread piece, screw thread piece top fixedly connected with connecting plate, connecting plate and annular shell fixed connection, the fixed first motor that is equipped with in workstation one side, first motor output end and threaded rod fixed connection, two slide bars of the inside fixedly connected with of workstation, two the slide bar outside all is overlapped and is equipped with the slider, two the slide bar respectively with two slider sliding connection.
Preferably, two the third sliding block is respectively two the inside slip of oblique spout, two the equal fixedly connected with second sliding block in third sliding block one side, two the outside all cover of second sliding block is equipped with the second slide rail, two the equal fixedly connected with two dead levers in second slide rail bottom, both sides two the dead lever all runs through the top support and with top support sliding connection, both sides two dead lever bottom fixedly connected with connecting bottom plate, two interior spouts have been seted up to connecting bottom plate bottom, connecting bottom plate bottom both sides all are equipped with detecting element, detecting element includes linking bridge, linking bridge top fixedly connected with two interior sliders, two interior slider is respectively two the inside slip of interior spout, the linking bridge bottom is equipped with electrically conductive roller, electrically conductive roller both ends are all fixed and are equipped with the circle axle, the linking bridge both sides have all been seted up the square groove, two the circle axle is respectively two the inside slip of square groove, the fixed current-voltage controller that is equipped with in protecting crust one side, current-voltage controller and electrically connected with electrically conductive roller.
Preferably, the connecting plate top is equipped with fixed subassembly, fixed subassembly includes the air pump, the fixed connecting plate top that is equipped with of air pump, air pump output end fixedly connected with connecting pipe, connecting pipe one end fixedly connected with wind channel, a plurality of absorption mouths of wind channel top fixedly connected with are a plurality of the absorption mouth all runs through the insulation board, insulation board bottom fixedly connected with chuck, the chuck contacts with the wind channel.
Preferably, four corners of the bottom of the workbench are fixedly connected with supporting legs.
Preferably, a second sliding groove is formed in one side of the top support, and the two vertical telescopic rods penetrate through the second sliding groove and are in sliding connection with the second sliding groove.
Preferably, a first sliding groove is formed in one side of the connecting bottom plate, and the two vertical telescopic rods respectively penetrate through the first sliding groove and are in sliding connection with the first sliding groove.
A detection method of a gas diffusion coating on a membrane electrode comprises the following specific steps:
s1, before detection, an insulating plate is located on the left side of a workbench, a diffusion layer body is placed on the top of the insulating plate, a threaded rod is started through a fixing plate and controlled to rotate, the threaded rod rotates and drives a threaded block to move, the threaded block moves and drives a connecting plate to move, the connecting plate moves and drives an annular shell to move, the annular shell moves and drives a vertical plate and the insulating plate to move, a top support continuously moves, after the pulley is in contact with a boss of the supporting plate, the supporting plate pushes the pulley to move downwards, the pulley pushes a connecting shaft to move downwards, the connecting shaft pushes a partition plate to move downwards, the partition plate pushes the toothed plate to move downwards, the toothed plate moves downwards and drives a gear to rotate, the gear drives a correcting plate to rotate, so that the periphery circle of correcting plate corrects the diffusion layer body on the top of the insulating plate, after the pulley leaves the boss of the supporting plate, a spring rebounds and pushes the partition plate upwards, the correcting plate is retracted, meanwhile, an air pump is started and generates suction, is transmitted to the air pump through the connecting pipe, and generates suction through an adsorption nozzle and fixes the diffusion layer body;
s2, a second motor is started, the second motor drives a first lead screw to rotate, the first lead screw drives a second connecting block to move downwards, the second connecting block drives a transverse telescopic rod to move downwards, the transverse telescopic rod drives a third sliding block to move downwards, the third sliding block moves downwards in an inclined mode due to the fact that the third sliding block is limited by an inclined sliding groove, the transverse telescopic rod contracts, the second lead screw drives the second sliding block to move downwards in an inclined mode, the second sliding block drives a second sliding rail to move downwards, a fixing rod drives a connecting bottom plate to move downwards, the connecting bottom plate drives two detection assemblies to move downwards, a conductive roller is in contact with a diffusion layer body, the third motor is started, the third lead screw drives the second lead screw to rotate, the second lead screw drives a first connecting block to move downwards, the first connecting block drives first sliding rails to move downwards, the first sliding rails drive two first sliding blocks to move downwards, the two first sliding blocks drive fourth sliding blocks to move downwards, the fourth sliding blocks slide in the inclined sliding groove, the two fourth sliding blocks move towards the middle, the two fourth sliding blocks drive the telescopic rods to move vertically, the detection assemblies to detect the diffusion layer body, and the two ends of the conductive roller slide in the square groove, and detect the top of the diffusion roller;
and S3, the current-voltage controller is connected with the conductive roller through a wire, the current-voltage controller is utilized to electrify the conductive roller and apply voltage to the diffusion layer body, the distance between the two conductive rollers on the diffusion layer body is adjusted to obtain the current value of voltage passing through the diffusion layer body in the interval of the diffusion layer body, the voltage applied by the current-voltage controller is detected to obtain the current value of the voltage passing through the diffusion layer body, and the current value is converted into the loading amount of the microporous layer on the gas diffusion substrate layer according to the current standard curve chart of the membrane electrode to obtain whether the microporous layer is uniformly coated.
The embodiment of the invention has the following advantages:
1. the third sliding block drives the second sliding block to move downwards, the second sliding block drives the second sliding rail to move downwards, the second sliding rail drives the fixed rod to move downwards, the fixed rod drives the connecting bottom plate to move downwards, the connecting bottom plate drives the two detection assemblies to move downwards, the conductive roller is in contact with the diffusion layer body, meanwhile, the vertical telescopic rod drives the detection assemblies to move and detect the diffusion layer body, round shafts at two ends of the conductive roller slide in the square grooves, the conductive roller is in contact with and detects the top of the diffusion layer body, errors in detection are reduced, detection cost is reduced, detection speed and detection efficiency are improved, and a sample cannot be damaged in the detection process;
2. promote the pulley through the fagging and move down, the pulley promotes the connecting axle and moves down, and the connecting axle promotes the baffle and moves down, and the baffle promotes the pinion rack and moves down and drive gear revolve, makes the gear drive and dials the positive board and rotate to make the positive board of dialling of round on every side dial the diffusion layer body and just at the insulation board top, make things convenient for fixed subassembly to fix the diffusion layer body at the insulation board top, make things convenient for detection mechanism to its detection, conveniently detect and accomplish the back and shift.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.
FIG. 1 is a schematic view of the overall structure provided by the present invention;
FIG. 2 is a side cross-sectional view of the overall structure provided by the present invention;
FIG. 3 is a perspective view of an insulating panel provided by the present invention;
FIG. 4 is a perspective view of an annular housing provided by the present invention;
FIG. 5 is a cross-sectional view of an annular housing provided by the present invention;
FIG. 6 is a perspective view of a spacer provided by the present invention;
FIG. 7 is a perspective view of a detection mechanism provided by the present invention;
FIG. 8 is a side view of a detection mechanism provided by the present invention;
FIG. 9 is a first cross-sectional view of a detection mechanism provided by the present invention;
FIG. 10 is a second cross-sectional view of the detection mechanism provided by the present invention;
FIG. 11 is a perspective view of a conductive roller provided by the present invention;
fig. 12 is an enlarged view of the portion a of fig. 7 according to the present invention.
In the figure: 1. a work table; 2. a supporting plate; 3. an annular shell; 4. a diffusion layer body; 5. connecting a bracket; 6. a top support; 7. a protective shell; 8. a current-voltage controller; 9. connecting the bottom plate; 10. a conductive roller; 11. supporting legs; 12. a fixing plate; 13. an inclined chute; 14. a slide bar; 15. a slider; 16. a first motor; 17. a thread block; 18. a threaded rod; 19. a connecting plate; 20. an air pump; 21. an insulating plate; 22. a cover plate; 23. an adsorption nozzle; 24. a toothed plate; 25. a gear; 26. a correcting plate; 27. a chuck; 28. a connecting shaft; 29. a pulley; 30. a shaft groove; 31. a vertical plate; 32. an air duct; 33. a connecting pipe; 34. a partition plate; 35. a spring; 36. a vertical telescopic rod; 37. a first chute; 38. a second connecting block; 39. a first slide rail; 40. a first slider; 41. a first connection block; 42. a first lead screw; 43. a second motor; 44. a third motor; 45. a second lead screw; 46. a transverse telescopic rod; 47. a second slide rail; 48. a second slider; 49. fixing the rod; 50. a third slider; 51. a fourth slider; 52. an inner chute; 53. an inner slide block; 54. a second chute; 55. a square groove; 56. a circular shaft.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to the attached drawings 1-12, the detection device and the detection method for the gas diffusion coating for the membrane electrode provided by the invention comprise a workbench 1, wherein two supporting plates 2 are fixedly arranged inside the workbench 1, a ring-shaped shell 3 is arranged inside the workbench 1, four vertical plates 31 are fixedly connected to the inner side of the ring-shaped shell 3, an insulating plate 21 is fixedly connected to the tops of the four vertical plates 31, a diffusion layer body 4 is arranged on the top of the insulating plate 21, a correcting mechanism is arranged inside the ring-shaped shell 3, and a detection mechanism is arranged on the top of the diffusion layer body 4;
the detection mechanism comprises a top support 6, the top support 6 is fixedly provided with the top of a workbench 1, the top of the top support 6 is fixedly provided with a protective shell 7, the top of the top support 6 is fixedly provided with a fixed plate 12, one side of the fixed plate 12 is provided with two symmetrically arranged inclined chutes 13, the top of the fixed plate 12 is fixedly provided with a second motor 43, the output end of the second motor 43 is fixedly connected with a first lead screw 42, the first lead screw 42 penetrates through the top of the fixed plate 12 and is connected with the top of the fixed plate 12 through a bearing, the bottom end of the first lead screw 42 is connected with the top of the top support 6 through a bearing, the outer part of the first lead screw 42 is sleeved with a second connecting block 38, the first lead screw 42 is connected with the second connecting block 38 through a thread, two sides of the second connecting block 38 are fixedly connected with transverse telescopic rods 46, and two sides are arranged in the chute 12, the two transverse telescopic rods 46 penetrate through the side sliding grooves, one end of each of the two transverse telescopic rods 46 is fixedly connected with a third sliding block 50, the two third sliding blocks 50 respectively slide in the two inclined sliding grooves 13, one side of each of the two third sliding blocks 50 is fixedly connected with a second sliding block 48, the outer part of each of the two second sliding blocks 48 is sleeved with a second sliding rail 47, the bottoms of the two second sliding rails 47 are fixedly connected with two fixing rods 49, the two fixing rods 49 at two sides penetrate through the top support 6 and are slidably connected with the top support 6, the bottoms of the two fixing rods 49 at two sides are fixedly connected with the connecting bottom plate 9, the bottom of the connecting bottom plate 9 is provided with two inner sliding grooves 52, two sides of the bottom of the connecting bottom plate 9 are respectively provided with a detection unit, each detection unit comprises a connecting support 5, and the tops of the connecting supports 5 are fixedly connected with two inner sliding blocks 53, the two inner sliding blocks 53 respectively slide in the two inner sliding grooves 52, the bottom of the connecting support 5 is provided with the conductive roller 10, two ends of the conductive roller 10 are respectively and fixedly provided with a round shaft 56, two sides of the connecting support 5 are respectively provided with a square groove 55, the two round shafts 56 respectively slide in the two square grooves 55, one side of the protective shell 7 is fixedly provided with a current-voltage controller 8, and the current-voltage controller 8 is electrically connected with the conductive roller 10;
in this embodiment, the second motor 43 is started, the second motor 43 drives the first lead screw 42 to rotate, the first lead screw 42 drives the second connecting block 38 to move downwards, the second connecting block 38 drives the transverse telescopic rod 46 to move downwards, the transverse telescopic rod 46 drives the third sliding block 50 to move downwards, since the third sliding block 50 is limited by the inclined sliding groove 13, the third sliding block 50 moves downwards in an inclined manner, meanwhile, the transverse telescopic rod 46 contracts, the third sliding block 50 drives the second sliding block 48 to move downwards, the second sliding block 48 drives the second sliding rail 47 to move downwards, the second sliding rail 47 drives the fixing rod 49 to move downwards, the fixing rod 49 drives the connecting bottom plate 9 to move downwards, and the connecting bottom plate 9 drives the two detection assemblies to move downwards;
wherein, in order to realize the purpose of correcting, this device adopts following technical scheme to realize: the righting mechanism comprises a partition plate 34, the partition plate 34 is arranged inside the annular shell 3, the bottom of the partition plate 34 is fixedly connected with a plurality of springs 35, the bottom ends of the plurality of springs 35 are fixedly connected with the side wall of the bottom of the annular shell 3, a plurality of aligning components are arranged at the top of the partition plate 34, each aligning component comprises a toothed plate 24, the toothed plate 24 is fixedly arranged at the top of the partition plate 34, the toothed plate 24 penetrates through the top of the annular shell 3 and is in sliding connection with the top of the annular shell 3, one side of the toothed plate 24 is in meshing connection with a gear 25, a correcting plate 26 is fixedly connected with one side of the gear 25, a cover plate 22 is covered on the outer side of the gear 25, two ends of the gear 25 are connected with two side walls of the cover plate 22 through bearings, two sides of the partition plate 34 are fixedly connected with connecting shafts 28, shaft grooves 30 are formed in two side walls of the workbench 1, two connecting shafts 28 penetrate through the two shaft grooves 30 respectively and are in sliding connection with the two shaft grooves 30, one ends of the two connecting shafts 28 are connected with pulleys 29 through bearings, the two pulleys 29 are in contact with the two supporting plates 2 respectively, the threaded rod 18 is started and controlled to rotate, the threaded rod 18 rotates and drives the threaded block 17 to move, the threaded block 17 moves and drives the connecting plate 19 to move, the connecting plate 19 moves and drives the annular shell 3 to move, the annular shell 3 moves and drives the vertical plate 31 and the insulating plate 21 to move, the top support 6 continuously moves, after the pulleys 29 are in contact with the bulges of the supporting plates 2, the supporting plate 2 pushes the pulley 29 to move downwards, the pulley 29 pushes the connecting shaft 28 to move downwards, the connecting shaft 28 pushes the partition 34 to move downwards, the partition 34 pushes the toothed plate 24 to move downwards, the toothed plate 24 moves downwards and drives the gear 25 to rotate, so that the gear 25 drives the correcting plate 26 to rotate, so that the diffusion layer body 4 is aligned on the top of the insulating plate 21 by a circle of aligning plates 26 around;
wherein, in order to realize the purpose of detection, this device adopts the following technical scheme to realize: the detection mechanism further comprises a third motor 44, the third motor 44 is fixedly arranged at the top of the fixed plate 12, a second lead screw 45 is fixedly connected to the output end of the fixed plate 12, the second lead screw 45 penetrates through the top of the fixed plate 12 and is connected with the top of the fixed plate 12 through a bearing, the bottom end of the second lead screw 45 is connected with the top of the top bracket 6 through a bearing, a first connecting block 41 is sleeved outside the second lead screw 45, the second lead screw 45 is connected with the first connecting block 41 through a thread, a first slide rail 39 is fixedly connected to one side of the first connecting block 41, two first slide blocks 40 are arranged inside the first slide rail 39, the first slide rail 39 is connected with the two first slide blocks 40 in a sliding manner, a fourth slide block 51 is fixedly connected to one side of each of the two first slide blocks 40, and the two fourth slide blocks 51 are respectively connected inside the two inclined slide grooves 13 in a sliding manner, the bottoms of the two fourth sliding blocks 51 are fixedly connected with vertical telescopic rods 36, two vertical grooves are formed in the fixed plate 12, the two vertical telescopic rods 36 respectively penetrate through the two vertical grooves, the bottom ends of the vertical telescopic rods 36 are fixedly connected with the connecting bracket 5, one side of the top bracket 6 is provided with a second sliding groove 54, the two vertical telescopic rods 36 respectively penetrate through the second sliding groove 54 and are in sliding connection with the second sliding groove 54, one side of the connecting bottom plate 9 is provided with a first sliding groove 37, the two vertical telescopic rods 36 respectively penetrate through the first sliding groove 37 and are in sliding connection with the first sliding groove 37, the third motor 44 is started, the third motor 44 drives the second lead screw 45 to rotate, the second lead screw 45 drives the first connecting block 41 to move downwards, the first connecting block 41 drives the first sliding rail 39 to move downwards, and the first sliding block 39 drives the two first sliding blocks 40 to move downwards, the two first sliding blocks 40 drive the fourth sliding block 51 to move downwards, the fourth sliding block 51 slides in the inclined sliding groove 13, meanwhile, the two fourth sliding blocks 51 move towards the middle, the two fourth sliding blocks 51 drive the vertical telescopic rods 36 to move, the two vertical telescopic rods 36 drive the detection assembly to move and detect the diffusion layer body 4, meanwhile, the round shafts 56 at the two ends of the conductive roller 10 slide in the square grooves 55, the conductive roller 10 is detected at the top of the diffusion layer body 4, the conductive roller is connected with the conductive roller 10 through the current and voltage controller 8, the current voltage controller 8 is used for electrifying the conductive roller 10 and applying voltage to the diffusion layer body 4, the distance between the two conductive rollers 10 on the diffusion layer body 4 is adjusted, the current value of voltage passing through the diffusion layer body 4 in a section can be detected, meanwhile, the current value of the voltage passing through the diffusion layer body 4 under the voltage is detected through the voltage controller 8, and whether the microporous layer on the gas diffusion layer is uniformly coated or not is obtained according to the current standard curve graph of the diffusion layer body 4.
Wherein, in order to realize the purpose of shifting, this device adopts the following technical scheme to realize: a threaded rod 18 is connected to the inside of the workbench 1 through a bearing, a threaded block 17 is sleeved on the outside of the threaded rod 18, the threaded rod 18 is in threaded connection with the threaded block 17, a connecting plate 19 is fixedly connected to the top of the threaded block 17, the connecting plate 19 is fixedly connected with the annular shell 3, a first motor 16 is fixedly arranged on one side of the workbench 1, the output end of the first motor 16 is fixedly connected with the threaded rod 18, two sliding rods 14 are fixedly connected to the inside of the workbench 1, sliders 15 are sleeved on the outside of the two sliding rods 14, the two sliding rods 14 are respectively in sliding connection with the two sliders 15, the threaded rod 18 is started and controlled to rotate, the threaded rod 18 rotates and drives the threaded block 17 to move, the threaded block 17 moves and drives the connecting plate 19 to move, the connecting plate 19 moves and drives the annular shell 3 to move, so that the annular shell 3 moves from the left side of the workbench 1 to the middle position of the workbench 1, after the annular shell 3 is detected, the annular shell 3 is moved to the right side of the workbench 1, and at this time, the diffusion layer body 4 can be detached;
wherein, in order to realize the fixed purpose, this device adopts following technical scheme to realize: the top of the connecting plate 19 is provided with a fixing assembly, the fixing assembly comprises an air pump 20, the air pump 20 is fixedly provided with the top of the connecting plate 19, the output end of the air pump 20 is fixedly connected with a connecting pipe 33, one end of the connecting pipe 33 is fixedly connected with an air duct 32, the top of the air duct 32 is fixedly connected with a plurality of adsorption nozzles 23, the adsorption nozzles 23 all penetrate through an insulation plate 21, the bottom of the insulation plate 21 is fixedly connected with a chuck 27, the chuck 27 is in contact with the air duct 32, the air pump 20 is started and generates suction, the suction is transmitted to the air duct 32 through the connecting pipe 33, the adsorption nozzles 23 generate suction and fix the diffusion layer body 4, the diffusion layer body 4 is sucked through vacuum negative pressure, and the diffusion layer body 4 is prevented from being damaged when being fixed;
wherein, in order to realize the purpose of supporting, this device adopts following technical scheme to realize: the equal fixedly connected with supporting leg 11 in 1 bottom four corners of workstation, supporting leg 11 has the supporting role.
The using process of the invention is as follows: a detection method of a detection device for a gas diffusion coating on a membrane electrode comprises the following specific steps:
s1, before detection, an insulating plate 21 is positioned on the left side of a workbench 1, a diffusion layer body 4 is placed on the top of the insulating plate 21, a fixing plate 12 is started, and rotation of a threaded rod 18 is controlled, the threaded rod 18 rotates and drives a threaded block 17 to move, the threaded block 17 moves and drives a connecting plate 19 to move, the connecting plate 19 moves and drives an annular shell 3 to move, the annular shell 3 moves and drives a vertical plate 31 and the insulating plate 21 to move, a top support 6 continuously moves, after a pulley 29 contacts with a boss of a supporting plate 2, the supporting plate 2 pushes the pulley 29 to move downwards, the pulley 29 pushes a connecting shaft 28 to move downwards, the connecting shaft 28 pushes a partition plate 34 to move downwards, the partition plate 34 pushes a toothed plate 24 to move downwards, the gear 24 moves downwards and drives a gear 25 to rotate, the gear 25 drives a poking plate 26 to rotate, so that a circle of poking plates 26 around poke the diffusion layer body 4 at the top of the insulating plate 21, after the pulley 29 leaves the boss of the supporting plate 2, a spring 35 rebounds and pushes the partition plate 34 upwards, so that the poking plate 26 is retracted, and the air pump 20 is started and generates suction, and transmits the suction to an air duct 33 to fix the diffusion layer body 4 and fix the diffusion layer body 4;
s2, the second motor 43 is started, the second motor 43 drives the first lead screw 42 to rotate, the first lead screw 42 drives the second connecting block 38 to move downward, the second connecting block 38 drives the transverse telescopic rod 46 to move downward, the transverse telescopic rod 46 drives the third sliding block 50 to move downward, because the third sliding block 50 is limited by the inclined sliding groove 13, the third sliding block 50 moves downward in an inclined manner, the transverse telescopic rod 46 contracts, the third sliding block 50 drives the second sliding block 48 to move downward, the second sliding block 48 drives the second sliding rail 47 to move downward, the second sliding rail 47 drives the fixing rod 49 to move downward, the fixing rod 49 drives the connecting bottom plate 9 to move downward, the connecting bottom plate 9 drives the two detecting components to move downward, the conductive roller 10 is in contact with the diffusion layer body 4, the third motor 44 is started, the third motor 44 drives the second motor 45 to rotate, the second sliding block 45 drives the first connecting block 41 to move downward, the first connecting block 41 drives the first sliding rail 39 to move downward, the first sliding rail 39 drives the two first sliding blocks 40 to move downward, the two first sliding blocks 40 drive the fourth sliding blocks 51 to move downward, the sliding blocks 51 to slide in the middle of the diffusion layer body 13, the two sliding grooves 13, the two sliding blocks 51 move downward, the two sliding blocks 13 move in a vertical sliding groove 36, the two sliding groove 13 detect the two sliding blocks, and detect the two sliding blocks 10, and detect the two sliding blocks 13 in the two sliding rod 4, and detect the two sliding rod 4 at the top of the two sliding rod 4;
s3, the electric wire is connected with the conductive roller 10 through the current-voltage controller 8, the current-voltage controller 8 is utilized to electrify the conductive roller 10 and apply voltage to the diffusion layer body 4, the distance between the two conductive rollers 10 on the diffusion layer body 4 is adjusted, the current value of voltage passing in the interval of the diffusion layer body 4 can be measured, meanwhile, the current value of voltage passing through the diffusion layer body 4 under the voltage is obtained through detection of the voltage applied by the current-voltage controller 8, and the current value is converted into the loading capacity of the microporous layer on the diffusion layer body 4 according to the current standard curve graph of the diffusion layer body 4, so that whether the microporous layer on the gas diffusion substrate layer is uniformly coated or not is obtained.
The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solution described above. Therefore, any simple modifications or equivalent substitutions made in accordance with the technical solution of the present invention are within the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a detection apparatus of membrane electrode gas diffusion layer micropore coating, includes workstation (1), its characterized in that: the automatic leveling device is characterized in that two supporting plates (2) are fixedly arranged inside the workbench (1), a ring-shaped shell (3) is arranged inside the workbench (1), four vertical plates (31) are fixedly connected to the inner side of the ring-shaped shell (3), an insulating plate (21) is fixedly connected to the tops of the four vertical plates (31), a diffusion layer body (4) is arranged on the top of the insulating plate (21), a straightening mechanism is arranged inside the ring-shaped shell (3), and a detection mechanism is arranged on the top of the diffusion layer body (4);
detection mechanism includes top support (6), top support (6) are fixed locates workstation (1) top, top support (6) top is fixed and is equipped with protecting crust (7), fixed plate (12) that is equipped with in top support (6) top, inclined chute (13) that two symmetries set up are seted up to fixed plate (12) one side, fixed plate (12) top is fixed and is equipped with second motor (43), the first lead screw (42) of second motor (43) output fixedly connected with, first lead screw (42) run through fixed plate (12) top and pass through the bearing with fixed plate (12) top and be connected, first lead screw (42) bottom is passed through the bearing with top support (6) top and is connected, the outside cover of first lead screw (42) is equipped with second connecting block (38), first lead screw (42) pass through threaded connection with second connecting block (38), the equal fixedly connected with transverse expansion link (46) in second connecting block (38) both sides, two side chutes have been seted up to fixed plate (12) inside, two transverse expansion link (46) all run through side, two transverse expansion link (46) one end all fixedly connected with third sliding block (50).
2. The membrane electrode gas diffusion layer microporous coating detection device of claim 1, wherein: the correcting mechanism comprises a baffle plate (34), the baffle plate (34) is arranged inside the annular shell (3), the bottom of the clapboard (34) is fixedly connected with a plurality of springs (35), the bottom ends of the springs (35) are fixedly connected with the side wall of the bottom of the annular shell (3), the top of the clapboard (34) is provided with a plurality of correcting components, the correcting components comprise toothed plates (24), the toothed plate (24) is fixedly arranged at the top of the partition plate (34), the toothed plate (24) penetrates through the top of the annular shell (3) and is in sliding connection with the top of the annular shell (3), one side of the toothed plate (24) is in meshed connection with a gear (25), one side of the gear (25) is fixedly connected with a correcting plate (26), the outer side of the gear (25) is covered with a cover plate (22), two ends of the gear (25) are connected with two side walls of the cover plate (22) through bearings, both sides of the clapboard (34) are fixedly connected with connecting shafts (28), shaft groove (30) have been seted up to workstation (1) both sides wall, two connecting axle (28) run through two respectively shaft groove (30) and with two shaft groove (30) sliding connection, two connecting axle (28) one end all is connected with pulley (29) through the bearing, two pulley (29) respectively with two fagging (2) contact.
3. The membrane electrode gas diffusion layer microporous coating detection device of claim 1, wherein: the detection mechanism also comprises a third motor (44), the third motor (44) is fixedly arranged at the top of the fixed plate (12), the output end of the fixed plate (12) is fixedly connected with a second screw rod (45), the second screw rod (45) penetrates through the top of the fixing plate (12) and is connected with the top of the fixing plate (12) through a bearing, the bottom end of the second screw rod (45) is connected with the top of the top bracket (6) through a bearing, a first connecting block (41) is sleeved outside the second screw rod (45), the second screw rod (45) is connected with the first connecting block (41) through threads, one side of the first connecting block (41) is fixedly connected with a first slide rail (39), two first sliding blocks (40) are arranged on the inner side of the first sliding rail (39), the first sliding rail (39) is connected with the two first sliding blocks (40) in a sliding manner, one side of each of the two first sliding blocks (40) is fixedly connected with a fourth sliding block (51), the two fourth sliding blocks (51) are respectively connected in the two inclined sliding grooves (13) in a sliding manner, the bottoms of the two fourth sliding blocks (51) are respectively and fixedly connected with a vertical telescopic rod (36), two vertical grooves are arranged in the fixed plate (12), two vertical telescopic rods (36) respectively penetrate through the two vertical grooves, the bottom end of the vertical telescopic rod (36) is fixedly connected with the connecting bracket (5).
4. The membrane electrode gas diffusion layer microporous coating detection device of claim 1, wherein: workstation (1) is inside to be connected with threaded rod (18) through the bearing, the outside cover of threaded rod (18) is equipped with screw block (17), threaded rod (18) and screw block (17) pass through threaded connection, screw block (17) top fixedly connected with connecting plate (19), connecting plate (19) and annular shell (3) fixed connection, workstation (1) one side is fixed and is equipped with first motor (16), first motor (16) output and threaded rod (18) fixed connection, two slide bar (14), two of workstation (1) inside fixedly connected with slide bar (14), two slide bar (14) outside all is overlapped and is equipped with slider (15), two slide bar (14) respectively with two slider (15) sliding connection.
5. The membrane electrode gas diffusion layer microporous coating detection device of claim 1, wherein: the two third sliding blocks (50) respectively slide inside the two inclined sliding grooves (13), one side of each of the two third sliding blocks (50) is fixedly connected with a second sliding block (48), the outer part of each of the two second sliding blocks (48) is sleeved with a second sliding rail (47), the bottom of each of the two second sliding rails (47) is fixedly connected with two fixing rods (49), the two fixing rods (49) on two sides respectively penetrate through the top support (6) and are in sliding connection with the top support (6), the bottom of each of the two fixing rods (49) on two sides is fixedly connected with a connecting bottom plate (9), the bottom of the connecting bottom plate (9) is provided with two inner sliding grooves (52), two sides of the bottom of the connecting bottom plate (9) are respectively provided with a detection unit, the detection unit comprises a connecting support (5), the top of the connecting support (5) is fixedly connected with two inner sliding blocks (53), the two inner sliding blocks (53) respectively slide inside the two inner sliding grooves (52), the bottom of the connecting support (5) is provided with a conductive roller (10), two ends of the conductive roller (10) are respectively fixedly provided with a circular shaft (56), two sides of the connecting support (5) are respectively provided with two square grooves (55), and two square current control grooves (55) on one side of which are respectively provided with two square current control devices (8), the current and voltage controller (8) is electrically connected with the conductive roller (10).
6. The membrane electrode gas diffusion layer microporous coating detection device of claim 4, wherein: connecting plate (19) top is equipped with fixed subassembly, fixed subassembly includes air pump (20), air pump (20) are fixed to be equipped with connecting plate (19) top, air pump (20) output end fixedly connected with connecting pipe (33), connecting pipe (33) one end fixedly connected with wind channel (32), a plurality of absorption mouths (23) of wind channel (32) top fixedly connected with, it is a plurality of absorption mouth (23) all run through insulation board (21), insulation board (21) bottom fixedly connected with chuck (27), chuck (27) contact with wind channel (32).
7. The membrane electrode gas diffusion layer microporous coating detection device of claim 1, wherein: the four corners of the bottom of the workbench (1) are fixedly connected with supporting legs (11).
8. The membrane electrode gas diffusion layer microporous coating detection device of claim 3, wherein: a second sliding groove (54) is formed in one side of the top support (6), and the two vertical telescopic rods (36) penetrate through the second sliding groove (54) and are in sliding connection with the second sliding groove (54).
9. The membrane electrode gas diffusion layer microporous coating detection device of claim 3, wherein: first sliding grooves (37) are formed in one side of the connecting bottom plate (9), and the two vertical telescopic rods (36) penetrate through the first sliding grooves (37) and are in sliding connection with the first sliding grooves (37).
10. A detection method for a microporous coating of a membrane electrode gas diffusion layer is characterized by comprising the following steps: the method comprises the following specific steps:
s1, before detection, an insulating plate (21) is positioned on the left side of a workbench (1), a diffusion layer body (4) is placed at the top of the insulating plate (21), a threaded rod (18) is started and controlled to rotate through a fixing plate (12), the threaded rod (18) rotates and drives a threaded block (17) to move, the threaded block (17) moves and drives a connecting plate (19) to move, the connecting plate (19) moves and drives a ring-shaped shell (3) to move, the ring-shaped shell (3) moves and drives a vertical plate (31) and the insulating plate (21) to move, a top support (6) continuously moves, after a pulley (29) is contacted with a boss of a supporting plate (2), the supporting plate (2) pushes the pulley (29) to move downwards, the pulley (29) pushes a connecting shaft (28) to move downwards, the connecting shaft (28) pushes a partition plate (34) to move downwards, the partition plate (34) pushes a toothed plate (24) to move downwards, the toothed plate (24) moves downwards and drives a gear (25) to rotate, the gear (25) drives a positive shifting plate (26) to rotate, so that a circle of positive plate (26) on the periphery withdraws the diffusion layer body (4) to move upwards and the top of the partition plate (21) to leave the spring (35), meanwhile, the air pump (20) is started to generate suction, the suction is transmitted to the air duct (32) through the connecting pipe (33), the suction is generated through the adsorption nozzle (23), and the diffusion layer body (4) is fixed;
s2, a second motor (43) is started, the second motor (43) drives a first screw rod (42) to rotate, the first screw rod (42) drives a second connecting block (38) to move downwards, the second connecting block (38) drives a transverse telescopic rod (46) to move downwards, the transverse telescopic rod (46) drives a third sliding block (50) to move downwards, the third sliding block (50) is limited by an inclined sliding groove (13) to move downwards in an inclined mode, meanwhile, the transverse telescopic rod (46) contracts, the second screw rod (45) drives the second sliding block (48) to move downwards in an inclined mode, the second sliding block (48) drives a second sliding rail (47) to move downwards, the second sliding rail (47) drives a fixing rod (49) to move downwards, the fixing rod (49) drives a connecting bottom plate (9) to move downwards, the connecting bottom plate (9) drives two detection components to move downwards, the conductive roller (10) is in contact with a diffusion layer body (4), the third motor (44) is started, the third motor (44) drives the second screw rod (45) to rotate, the second connecting bottom plate (45) drives two detection components to move downwards, the first sliding block (41) drives a first sliding block (39) to move downwards, the first sliding block (39) drives a first sliding block (41) to move downwards, the fourth sliding blocks (51) slide in the inclined sliding grooves (13), meanwhile, the two fourth sliding blocks (51) move towards the middle, the two fourth sliding blocks (51) drive the vertical telescopic rods (36) to move, the two vertical telescopic rods (36) drive the detection assembly to move and detect the diffusion layer body (4), meanwhile, the round shafts (56) at the two ends of the conductive roller (10) slide in the square grooves (55), and the conductive roller (10) detects at the top of the diffusion layer body (4);
and S3, the conductive roller (10) is connected with the conductive roller (10) through a current-voltage controller (8) in an electric wire mode, the current-voltage controller (8) is utilized to electrify the conductive roller (10) and apply voltage to the diffusion layer body (4), the distance between the two conductive rollers (10) on the diffusion layer body (4) is adjusted, the current value of voltage passing through the diffusion layer body (4) in the interval of the diffusion layer body (4) can be detected, meanwhile, the current value of voltage passing through the diffusion layer body (4) under the voltage is obtained through voltage detection applied by the current-voltage controller (8), and the coating uniformity of the microporous layer on the gas diffusion substrate layer is judged according to the resistance of the standard gas diffusion layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211236786.8A CN115585735B (en) | 2022-10-10 | 2022-10-10 | Detection device and detection method for microporous coating of membrane electrode gas diffusion layer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211236786.8A CN115585735B (en) | 2022-10-10 | 2022-10-10 | Detection device and detection method for microporous coating of membrane electrode gas diffusion layer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115585735A true CN115585735A (en) | 2023-01-10 |
| CN115585735B CN115585735B (en) | 2023-11-28 |
Family
ID=84779662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211236786.8A Active CN115585735B (en) | 2022-10-10 | 2022-10-10 | Detection device and detection method for microporous coating of membrane electrode gas diffusion layer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115585735B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1305591A1 (en) * | 2000-08-04 | 2003-05-02 | Aurora Technical Trading Ltd | Concentration detector |
| CN101736373A (en) * | 2009-12-04 | 2010-06-16 | 北京中冶设备研究设计总院有限公司 | Accurate positioning method for conductive rollers of horizontal plating bath |
| CN203672846U (en) * | 2012-08-24 | 2014-06-25 | 布鲁克道尔顿有限公司 | Preparation device of mass spectrum samples |
| CN207351403U (en) * | 2017-11-14 | 2018-05-11 | 珠海市宏益精密机械有限公司 | A kind of detection device of magnetic roller |
| CN215812553U (en) * | 2021-09-05 | 2022-02-11 | 铱莱科特(东莞)科技有限公司 | Detection device for potential of titanium anode coating |
-
2022
- 2022-10-10 CN CN202211236786.8A patent/CN115585735B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1305591A1 (en) * | 2000-08-04 | 2003-05-02 | Aurora Technical Trading Ltd | Concentration detector |
| CN101736373A (en) * | 2009-12-04 | 2010-06-16 | 北京中冶设备研究设计总院有限公司 | Accurate positioning method for conductive rollers of horizontal plating bath |
| CN203672846U (en) * | 2012-08-24 | 2014-06-25 | 布鲁克道尔顿有限公司 | Preparation device of mass spectrum samples |
| CN207351403U (en) * | 2017-11-14 | 2018-05-11 | 珠海市宏益精密机械有限公司 | A kind of detection device of magnetic roller |
| CN215812553U (en) * | 2021-09-05 | 2022-02-11 | 铱莱科特(东莞)科技有限公司 | Detection device for potential of titanium anode coating |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115585735B (en) | 2023-11-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107876440B (en) | Automatic static testing mechanism | |
| CN117706141B (en) | Detection device and method for electronic components | |
| CN115585735A (en) | Detection device and detection method for microporous coating of membrane electrode gas diffusion layer | |
| CN116878352A (en) | Gear runout inspection tester | |
| CN116294962B (en) | Propeller blade airfoil type detection equipment | |
| CN210005027U (en) | auxiliary stand for ceramic detection equipment | |
| CN215725863U (en) | Part flatness checking fixture | |
| CN212514779U (en) | Monocrystalline silicon rod end face resistivity detection positioning fixture | |
| CN113155628B (en) | Dry-mixed plastering mortar performance testing equipment and testing method | |
| CN208537516U (en) | A kind of humidity detector into narrow space | |
| CN117781877B (en) | Geogrid size detection device | |
| CN217687044U (en) | Stable in structure's simulation angle measuring device | |
| CN212723210U (en) | Intelligent needle bed circuit board testing arrangement | |
| CN220040324U (en) | Full-automatic fluorine measuring instrument | |
| CN219475568U (en) | Nitrogen oxygen sensor chip aging test device | |
| CN218917122U (en) | Electrolyte infiltration rate measuring device of pole piece | |
| CN110715768A (en) | High-efficient type sensor tester | |
| CN102825355B (en) | Welding groove mechanism and solderability test method for solderability tester | |
| CN221100747U (en) | High-performance shrinkage and expansion tester | |
| CN215844281U (en) | Full-automatic screening and testing device for PTC elements | |
| CN216815861U (en) | Automobile parts gas tightness detection device | |
| CN214097238U (en) | Spark leakage detector for detecting anticorrosive coating | |
| CN221037296U (en) | Automatic calibration device for cigarette length circumference detection | |
| CN221260967U (en) | Curved groove moisture detection device | |
| CN219302504U (en) | Inductance coil test fixture |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |