CN116576805B - Hydrogen fuel cell membrane electrode flatness detection device - Google Patents

Hydrogen fuel cell membrane electrode flatness detection device Download PDF

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Publication number
CN116576805B
CN116576805B CN202310621658.3A CN202310621658A CN116576805B CN 116576805 B CN116576805 B CN 116576805B CN 202310621658 A CN202310621658 A CN 202310621658A CN 116576805 B CN116576805 B CN 116576805B
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China
Prior art keywords
membrane electrode
lifting
seat
fixedly connected
translation
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CN202310621658.3A
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Chinese (zh)
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CN116576805A (en
Inventor
李泽民
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Shandong Jujinlong Automobile Development Co ltd
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Shandong Jujinlong Automobile Development Co ltd
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Publication of CN116576805A publication Critical patent/CN116576805A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00Measuring arrangements characterised by the use of optical techniques
    • G01B11/30Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces
    • G01B11/303Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces using photoelectric detection means
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B5/00Measuring arrangements characterised by the use of mechanical techniques
    • G01B5/28Measuring arrangements characterised by the use of mechanical techniques for measuring roughness or irregularity of surfaces
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/30Hydrogen technology
    • Y02E60/50Fuel cells

Abstract

The invention discloses a device for detecting the flatness of a membrane electrode of a hydrogen fuel cell, which relates to the technical field of flatness measurement of the membrane electrode, and comprises a bottom plate, wherein the top end of the bottom plate is fixedly connected with a placing seat, a membrane electrode plate is placed on the top surface of the placing seat, a detection component is arranged above the membrane electrode plate, and the detection component is connected with a translation mechanism and a lifting mechanism; the detection assembly comprises a fixed seat, one side of the fixed seat is fixedly connected with an equipment seat, a plurality of movable rods vertically penetrate through the fixed seat and are connected with the movable rods in a sliding mode, a baffle is fixedly arranged on one side of each movable rod and located above the fixed seat, and an optical signal generating groove is formed in the equipment seat on one side of the baffle.

Description

Hydrogen fuel cell membrane electrode flatness detection device
Technical Field
The invention relates to the technical field of membrane electrode flatness measurement, in particular to a device for detecting the flatness of a membrane electrode of a hydrogen fuel cell.
Background
The Membrane Electrode (MEA) is the most core component of a hydrogen fuel cell and is the core site of various substance transmission and electrochemical reactions, and the preparation technology of the Membrane Electrode (MEA) directly influences the performance of the cell, is important for reducing the cost of the cell and improving the specific power and specific energy of the cell, and is visually called as the heart of the fuel cell. In the aspect of composition, the membrane electrode is a three-in-one assembly formed by hot pressing a proton exchange membrane, a catalytic layer electrode and a diffusion layer after soaking perfluorosulfonic acid membrane liquid at a certain temperature and pressure, and the three-in-one assembly and a bipolar plate form a fuel cell stack.
After the production of the membrane electrode is finished, the flatness of the membrane electrode needs to be detected, the existing photoelectric detection mode can only directly detect the whole membrane electrode, and the maximum data of the uneven surface of the membrane electrode can only be obtained, the number of the uneven areas of the membrane electrode can not be detected, the detection data is not abundant enough, the detection result is not accurate enough, and further improvement is needed.
Disclosure of Invention
The invention provides a device for detecting the flatness of a membrane electrode of a hydrogen fuel cell, which solves the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the flatness detection device for the membrane electrode of the hydrogen fuel cell comprises a bottom plate, wherein the top end of the bottom plate is fixedly connected with a placement seat, a membrane electrode plate is placed on the top surface of the placement seat, a detection assembly is arranged above the membrane electrode plate, and the detection assembly is connected with a translation mechanism and a lifting mechanism;
the detection assembly comprises a fixed seat, one side fixedly connected with equipment seat of fixing seat, vertically run through on the fixing seat and sliding connection has a plurality of movable rods, and one side of every movable rod is all fixed and is equipped with the separation blade, and the separation blade is located the top of fixing seat, has seted up the optical signal generation groove on the equipment seat of separation blade one side, the top of bottom plate is equipped with the second mounting panel, and fixed being equipped with the dead lever between second mounting panel and the bottom plate, the second mounting panel is close to the fixed receiver plate that is equipped with in one side of detection assembly.
As a preferable technical scheme of the invention, the translation mechanism comprises two translation rails arranged on two sides of the detection assembly, each translation rail is internally and slidably connected with a sliding block, and a side rod is fixedly connected between the sliding block and the fixed seat.
As a preferable technical scheme of the invention, one end of the translation rail is fixedly provided with a translation motor, an output shaft of the translation motor is coaxially and fixedly connected with a translation driving screw rod, and the translation driving screw rod penetrates through the sliding block and is in threaded connection with the sliding block.
As a preferable technical scheme of the invention, the lifting mechanism comprises a first mounting plate fixedly arranged on the outer side of the translation rail, a guide rod vertically penetrates through the first mounting plate and is connected with the first mounting plate in a sliding manner, the guide rod is fixedly connected with the bottom plate, and the bottom end of the first mounting plate is fixedly connected with the lifting rod.
As a preferable technical scheme of the invention, the placing seat is internally provided with a lifting groove, the lifting rod extends into the lifting groove and is fixedly connected with the lifting block, the lifting groove is fixedly provided with a lifting driving motor, the output shaft of the lifting driving motor is coaxially and fixedly connected with a lifting driving screw rod, and the lifting driving screw rod penetrates through the lifting block and is in threaded connection with the lifting block.
As a preferable technical scheme of the invention, a negative pressure chamber is arranged in the placement seat, a plurality of negative pressure holes are arranged at the top end of the placement seat, the negative pressure holes are communicated with the negative pressure chamber, and the negative pressure chamber is connected with a negative pressure pump.
As a preferable technical scheme of the invention, the bottom end of the movable rod is fixedly provided with a spherical head.
As a preferable technical scheme of the invention, a top plate is arranged above the detection assembly, a support is fixedly connected between the top plate and the first mounting plate, line drawing paper is fixedly arranged at the bottom end of the top plate, a top groove is formed at the top end of the movable rod, a buffer spring is fixedly arranged at the bottom end in the top groove, and line drawing heads are fixedly arranged at the top ends of the buffer springs.
The invention has the following advantages: according to the invention, the lifting mechanism and the translation mechanism are arranged to drive the detection assembly to move, so that adjustable movement detection is realized, photoelectric detection and physical display detection can be carried out on the membrane electrode of the hydrogen fuel cell by adopting the detection assembly, the planeness data of the membrane electrode is displayed more abundantly, and the detection result is more accurate.
Drawings
Fig. 1 is a schematic view showing a right-side three-dimensional structure of a hydrogen fuel cell membrane electrode flatness detection device.
Fig. 2 is a schematic view showing a left-side three-dimensional structure of the hydrogen fuel cell membrane electrode flatness detecting device.
Fig. 3 is a schematic view showing a right-side three-dimensional structure of a detecting assembly in a hydrogen fuel cell membrane electrode flatness detecting device.
Fig. 4 is a schematic view showing a left-side three-dimensional structure of a detecting member in the hydrogen fuel cell membrane electrode flatness detecting device.
Fig. 5 is a schematic structural view of a lifting mechanism in the hydrogen fuel cell membrane electrode flatness detection device.
Fig. 6 is a schematic structural view of example 2 of a hydrogen fuel cell membrane electrode flatness detection device.
Fig. 7 is a schematic structural view of a detecting assembly in embodiment 2 of a hydrogen fuel cell membrane electrode flatness detecting device.
Fig. 8 is a schematic structural view of a movable rod in embodiment 2 of a hydrogen fuel cell membrane electrode flatness detection device.
In the figure: 1. a bottom plate; 2. a placement seat; 3. a membrane electrode plate; 4. a detection assembly; 5. a lifting groove; 6. a lifting rod; 7. a translation rail; 8. a first mounting plate; 9. a guide rod; 10. a second mounting plate; 11. a fixed rod; 12. a receiving plate; 13. a negative pressure hole; 14. a side bar; 15. a slide block; 16. a fixing seat; 17. a movable rod; 18. a spherical head; 19. a baffle; 20. an equipment seat; 21. an optical signal generating groove; 22. a top plate; 23. a bracket; 24. drawing a line head; 25. a top groove; 26. a buffer spring; 27. a lifting driving motor; 28. lifting the driving screw; 29. lifting blocks.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
It should be noted that the positional or positional relationship indicated by the terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Example 1
Referring to fig. 1-5, a flatness detection device for a membrane electrode of a hydrogen fuel cell comprises a bottom plate 1, wherein a placement seat 2 is fixedly connected to the top end of the bottom plate 1, a membrane electrode plate 3 is placed on the top surface of the placement seat 2, a detection component 4 is arranged above the membrane electrode plate 3, and the detection component 4 is connected with a translation mechanism and a lifting mechanism;
the detection assembly 4 comprises a fixed seat 16, one side of the fixed seat 16 is fixedly connected with an equipment seat 20, a plurality of movable rods 17 vertically penetrate through the fixed seat 16 and are connected in a sliding mode, a baffle piece 19 is fixedly arranged on one side of each movable rod 17, the baffle piece 19 is located above the fixed seat 16, an optical signal generating groove 21 is formed in the equipment seat 20 on one side of the baffle piece 19, a second mounting plate 10 is arranged above the bottom plate 1, a fixing rod 11 is fixedly arranged between the second mounting plate 10 and the bottom plate 1, and a receiving plate 12 is fixedly arranged on one side, close to the detection assembly 4, of each second mounting plate 10.
The translation mechanism comprises two translation rails 7 arranged on two sides of the detection assembly 4, each translation rail 7 is internally and slidably connected with a sliding block 15, and a side rod 14 is fixedly connected between each sliding block 15 and a fixed seat 16.
One end of the translation rail 7 is fixedly provided with a translation motor, an output shaft of the translation motor is coaxially and fixedly connected with a translation driving screw rod, and the translation driving screw rod penetrates through the sliding block 15 and is in threaded connection with the sliding block.
Wherein, translation motor and translation drive screw are not shown in the drawing, can assemble as required, also can directly promote detection subassembly 4 through manual form and remove.
The lifting mechanism comprises a first mounting plate 8 fixedly arranged on the outer side of the translation rail 7, a guide rod 9 vertically penetrates through the first mounting plate 8 and is connected with the first mounting plate in a sliding mode, the guide rod 9 is fixedly connected with the bottom plate 1, and the bottom end of the first mounting plate 8 is fixedly connected with a lifting rod 6.
The lifting groove 5 is formed in the placement seat 2, the lifting rod 6 extends into the lifting groove 5 and is fixedly connected with the lifting block 29, the lifting driving motor 27 is fixedly arranged in the lifting groove 5, the output shaft of the lifting driving motor 27 is coaxially and fixedly connected with the lifting driving screw 28, and the lifting driving screw 28 penetrates through the lifting block 29 and is in threaded connection with the lifting block 29.
A negative pressure chamber is arranged in the placement seat 2, a plurality of negative pressure holes 13 are arranged at the top end of the placement seat 2, the negative pressure holes 13 are communicated with the negative pressure chamber, and the negative pressure chamber is connected with a negative pressure pump.
The bottom end of the movable rod 17 is fixedly provided with a spherical head 18.
Example 2
Referring to fig. 6 to 8, the other contents of this embodiment are the same as those of embodiment 1, except that:
the top of detection component 4 is equipped with roof 22, fixedly connected with support 23 between roof 22 and the first mounting panel 8, the bottom mounting of roof 22 is equipped with the drawing paper, and roof 25 has been seted up on the top of movable rod 17, and the bottom mounting in the roof 25 is equipped with buffer spring 26, and the top of buffer spring 26 is fixed to be equipped with drawing line head 24.
In the implementation process of the invention, firstly, the membrane electrode plate 3 is placed on the placement seat 2, then, the negative pressure pump is started to enable the negative pressure hole 13 to generate negative pressure to adsorb and fix the membrane electrode plate 3, then, the lifting driving motor 27 is controlled to start to drive the lifting rod 6 to move downwards until the spherical head 18 at the bottom end of the movable rod 17 contacts with the surface of the membrane electrode plate 3, then, the translation driving motor is controlled to start to drive the detection assembly 4 to move horizontally, in the moving process of the detection assembly 4, if an uneven undulating area exists on the surface of the membrane electrode plate 3, the movable rod 17 moves along with the undulating area, in the process, the baffle 19 on the side edge of the movable rod 17 also undulates along with the up-down, the light beams emitted by the light signal generating groove 21 are blocked, the light rays received by the receiving plate 12 are changed, so that uneven data of the membrane electrode plate 3 in the thickness direction can be detected, in addition, the line drawing head 24 is driven to contact with the line drawing paper when the movable rod 17 moves upwards, the line drawing head 24 is recorded, the line drawing paper is not contacted with the line drawing paper, in the case that the line drawing point is falling to the normal height, the line drawing point is recorded, the line drawing point is not contacted with the line drawing paper, and the specific point position of the line drawing point can be detected on the film 3, and the point drawing can be detected and the point is not even.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. The utility model provides a hydrogen fuel cell membrane electrode flatness detection device, includes bottom plate (1), the top fixedly connected with of bottom plate (1) places seat (2), and membrane electrode board (3) have been placed to the top surface of placing seat (2), its characterized in that, the top of membrane electrode board (3) is equipped with detection component (4), detection component (4) connect translation mechanism and elevating system;
the detection assembly (4) comprises a fixed seat (16), one side of the fixed seat (16) is fixedly connected with an equipment seat (20), a plurality of movable rods (17) vertically penetrate through the fixed seat (16) and are connected in a sliding mode, a baffle (19) is fixedly arranged on one side of each movable rod (17), the baffle (19) is located above the fixed seat (16), an optical signal generation groove (21) is formed in the equipment seat (20) on one side of the baffle (19), a second mounting plate (10) is arranged above the bottom plate (1), a fixing rod (11) is fixedly arranged between the second mounting plate (10) and the bottom plate (1), and a receiving plate (12) is fixedly arranged on one side, close to the detection assembly (4), of each second mounting plate (10);
the translation mechanism comprises two translation rails (7) arranged on two sides of the detection assembly (4), a sliding block (15) is connected in each translation rail (7) in a sliding mode, and a side rod (14) is fixedly connected between the sliding block (15) and the fixing seat (16);
the lifting mechanism comprises a first mounting plate (8) fixedly arranged on the outer side of the translation rail (7), a guide rod (9) vertically penetrates through the first mounting plate (8) and is connected with the first mounting plate in a sliding mode, the guide rod (9) is fixedly connected with the bottom plate (1), and the bottom end of the first mounting plate (8) is fixedly connected with a lifting rod (6);
the top of detection component (4) is equipped with roof (22), fixedly connected with support (23) between roof (22) and first mounting panel (8), the bottom mounting of roof (22) is equipped with the drawing paper, and roof groove (25) have been seted up on the top of movable rod (17), and the bottom mounting in roof groove (25) is equipped with buffer spring (26), and the top of buffer spring (26) is fixed and is equipped with drawing line head (24).
2. The hydrogen fuel cell membrane electrode flatness detection device according to claim 1, characterized in that one end of the translation rail (7) is fixedly provided with a translation motor, an output shaft of the translation motor is coaxially and fixedly connected with a translation driving screw rod, and the translation driving screw rod penetrates through the sliding block (15) and is in threaded connection with the sliding block.
3. The hydrogen fuel cell membrane electrode flatness detection device according to claim 1, wherein a lifting groove (5) is formed in the placement seat (2), the lifting rod (6) extends into the lifting groove (5) and is fixedly connected with a lifting block (29), a lifting driving motor (27) is fixedly arranged in the lifting groove (5), an output shaft of the lifting driving motor (27) is coaxially and fixedly connected with a lifting driving screw (28), and the lifting driving screw (28) penetrates through the lifting block (29) and is in threaded connection with the lifting block.
4. The device for detecting the flatness of the membrane electrode of the hydrogen fuel cell according to claim 1, wherein a negative pressure chamber is formed in the placement seat (2), a plurality of negative pressure holes (13) are formed in the top end of the placement seat (2), the negative pressure holes (13) are communicated with the negative pressure chamber, and the negative pressure chamber is connected with a negative pressure pump.
5. The hydrogen fuel cell membrane electrode flatness detection device according to claim 1, characterized in that the bottom end of the movable rod (17) is fixedly provided with a spherical head (18).
CN202310621658.3A 2023-05-30 2023-05-30 Hydrogen fuel cell membrane electrode flatness detection device Active CN116576805B (en)

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CN202310621658.3A CN116576805B (en) 2023-05-30 2023-05-30 Hydrogen fuel cell membrane electrode flatness detection device

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CN116576805B true CN116576805B (en) 2023-09-22

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KR20100045788A (en) * 2008-10-24 2010-05-04 현대자동차주식회사 Align device for membrane electrode assembly
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CN111879222A (en) * 2020-07-24 2020-11-03 惠州建安工程项目管理有限公司 Flatness measuring instrument for engineering supervision
JP2020205228A (en) * 2019-06-17 2020-12-24 朱暁鳳 Portable DC battery pack with self-inspection function
CN212963251U (en) * 2020-08-11 2021-04-13 江阴市辉伟智能科技有限公司 Flatness measuring device for metal plate production
CN112762878A (en) * 2021-01-07 2021-05-07 天津大学 Detection system and detection method for thickness of membrane electrode
CN114688949A (en) * 2022-03-02 2022-07-01 合肥国轩高科动力能源有限公司 Lithium battery module bottom flatness detection device
CN115096220A (en) * 2022-06-29 2022-09-23 深圳市博视科技有限公司 Mobile phone frame flatness detection device and detection method
CN218349451U (en) * 2022-09-30 2023-01-20 深圳市安格智控科技有限公司 Material sheet thickness measuring device and material sheet thickness measuring equipment
CN219301583U (en) * 2023-02-17 2023-07-04 烟台施丹普汽车零部件有限公司 Flatness detection device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101126626B (en) * 2006-08-18 2010-09-22 鸿富锦精密工业(深圳)有限公司 Planeness detecting instrument

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20100045788A (en) * 2008-10-24 2010-05-04 현대자동차주식회사 Align device for membrane electrode assembly
CN108801124A (en) * 2018-05-29 2018-11-13 桐乡市龙翔众心纺织有限公司 A kind of degree of plainness for wall surface detection device
JP2020205228A (en) * 2019-06-17 2020-12-24 朱暁鳳 Portable DC battery pack with self-inspection function
CN110231344A (en) * 2019-07-17 2019-09-13 佛山市清极能源科技有限公司 A kind of film electrode fault, which quickly sieves, picks method and apparatus
CN111879222A (en) * 2020-07-24 2020-11-03 惠州建安工程项目管理有限公司 Flatness measuring instrument for engineering supervision
CN212963251U (en) * 2020-08-11 2021-04-13 江阴市辉伟智能科技有限公司 Flatness measuring device for metal plate production
CN112762878A (en) * 2021-01-07 2021-05-07 天津大学 Detection system and detection method for thickness of membrane electrode
CN114688949A (en) * 2022-03-02 2022-07-01 合肥国轩高科动力能源有限公司 Lithium battery module bottom flatness detection device
CN115096220A (en) * 2022-06-29 2022-09-23 深圳市博视科技有限公司 Mobile phone frame flatness detection device and detection method
CN218349451U (en) * 2022-09-30 2023-01-20 深圳市安格智控科技有限公司 Material sheet thickness measuring device and material sheet thickness measuring equipment
CN219301583U (en) * 2023-02-17 2023-07-04 烟台施丹普汽车零部件有限公司 Flatness detection device

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