CN110514084B - Fuel cell polar plate flow passage forming precision detection method - Google Patents
Fuel cell polar plate flow passage forming precision detection method Download PDFInfo
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- CN110514084B CN110514084B CN201910727449.0A CN201910727449A CN110514084B CN 110514084 B CN110514084 B CN 110514084B CN 201910727449 A CN201910727449 A CN 201910727449A CN 110514084 B CN110514084 B CN 110514084B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
- G01B5/06—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness for measuring thickness
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Abstract
The invention provides a fuel cell polar plate flow channel detection method, which comprises the following steps: pouring, namely pouring a flow channel of the bipolar plate by using flowing fluid, wherein the upper surface of the poured fluid is higher than the upper end surface of the flow channel; a standing step, wherein the flowing fluid flows through the flow channel with the whole length, and then stands for t minutes to solidify the fluid; taking out, namely tearing off the fluid after standing and curing along the direction of the flow channel; and a measuring step, measuring the size of the taken solid fluid by using a measuring instrument. Compared with the existing non-contact detection means, the detection method of the invention greatly improves the detection precision, and compared with the existing contact measurement means, because the flowing fluid which can not damage the bipolar plate flow channel is adopted, the flow channel of the bipolar plate can not be scratched, the safety performance is higher, the measurement precision of the bipolar plate flow channel can be effectively ensured, and the structural strength and the safety reliability of the bipolar plate can be ensured.
Description
Technical Field
The invention belongs to the technical field of fuel cells, and particularly relates to a fuel cell polar plate flow channel forming precision detection method.
Background
Fuel cells are a very promising energy technology, and have many advantages over the existing conventional energy conversion technologies, including higher energy conversion efficiency, zero emission of pollutants, quiet operation without moving parts, and the like. There are various types of fuel cells and the present invention focuses on the field of Proton Exchange Membrane Fuel Cells (PEMFCs). Although pem fuel cells have many advantages, there are some problems to be solved.
In the proton exchange membrane fuel cell, the bipolar plate is a core component, and occupies a considerable proportion in the weight and the cost of the whole fuel cell stack (the proton exchange membrane fuel cell has a schematic structure and a common appearance and plays the main roles of providing a structural support function for the stack, providing a circulation channel (or called as a flow field) for three media of hydrogen, air and cooling liquid for cooling the stack participating in reaction, isolating the three media simultaneously, and connecting single cells in series into a whole stack under the action of electric conduction.
The structure of the bipolar plate flow field largely determines the uniformity of distribution of each medium of the fuel cell and the water drainage performance of generated water, and the two indexes are very important to the performance of the fuel cell. Therefore, the structure of the bipolar plate flow field needs to be considered thoroughly from the design aspect; the forming precision of the bipolar plate flow field is strictly controlled from the aspect of processing.
The common bipolar plate material for proton exchange membrane fuel cell has graphite plate and metal plate.
The structure of the bipolar plate flow field largely determines the uniformity of distribution of each medium of the fuel cell and the water drainage performance of generated water, and the two indexes are very important to the performance of the fuel cell. Therefore, the structure of the bipolar plate flow field needs to be considered thoroughly from the design aspect; the forming precision of the bipolar plate flow field is strictly controlled from the aspects of processing and detection. The key dimensions of the forming precision control are the depth, the width and the R angle of the groove.
The existing flow channel measuring method mainly comprises an image measuring instrument and a contourgraph, wherein the image measuring instrument and the contourgraph adopt non-contact measurement, and the flow channel belongs to a groove and cannot be damaged, so that the measurement precision deviation is large, and the precision requirement cannot be met. The latter belongs to contact measurement and is easy to scratch the surface of the bipolar plate.
The invention provides a fuel cell polar plate flow passage forming precision detection method, which is researched and designed because the technical problems that the measurement precision is low and cannot meet the requirements, or the surface of a bipolar plate is easily scratched and the like exist in the fuel cell polar plate flow passage measurement method in the prior art.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the defects that the measurement method of the fuel cell polar plate flow channel in the prior art cannot simultaneously meet the measurement precision and ensure that the surface of the bipolar plate is not scratched, thereby providing a method for detecting the forming precision of the fuel cell polar plate flow channel.
The invention provides a fuel cell polar plate flow channel detection method, which comprises the following steps:
pouring, namely pouring a flow channel of the bipolar plate by using flowing fluid, wherein the upper surface of the poured fluid is higher than the upper end surface of the flow channel;
a standing step, wherein the flowing fluid flows through the flow channel with the whole length, and then stands for t minutes to solidify the fluid;
taking out, namely tearing off the fluid after standing and curing along the direction of the flow channel;
and a measuring step, measuring the size of the taken solid fluid by using a measuring instrument.
Preferably, the first and second electrodes are formed of a metal,
the fluid is silica gel; and/or, the t minutes is 50-80 minutes; the measuring instrument comprises at least one of a cubic unit, a projector, an image measuring instrument and a profile instrument.
Preferably, the first and second electrodes are formed of a metal,
the method comprises a pouring step, a mixing step and a mixing step, wherein the pouring step is carried out on the flowing fluid, the flowing fluid is mixed and stirred, the fluid comprises liquid silica gel and a silica gel curing agent, and the liquid silica gel and the silica gel curing agent are proportioned according to a preset weight proportion.
Preferably, the first and second electrodes are formed of a metal,
the preset weight ratio is 100:1-3, and/or a shaking step is further included after the mixing step.
Preferably, the first and second electrodes are formed of a metal,
the method comprises a mixing step and a cleaning step, wherein the mixing step is followed by the cleaning step, the cleaning step comprises a step of cleaning the surface of the bipolar plate, a cleaning agent is adopted in the cleaning step, and the cleaning agent comprises at least one of absolute ethyl alcohol and acetone.
Preferably, the first and second electrodes are formed of a metal,
the method comprises a bipolar plate, a first pressing plate and a second pressing plate, wherein the bipolar plate is clamped between the first pressing plate and the second pressing plate, and the thickness of the bipolar plate is detected through a measuring tool.
Preferably, the first and second electrodes are formed of a metal,
the surface of the first pressing plate, which is connected with the bipolar plate, is provided with a plurality of first grooves and first bulges which are sequentially connected, the first grooves are connected with the bulge surface on one side of the bipolar plate in a matching way, and the first bulges are connected with the concave surface on one side of the bipolar plate in a matching way.
Preferably, the first and second electrodes are formed of a metal,
the surface of the second pressing plate, which is connected with the bipolar plate, is also provided with a plurality of second grooves and second bulges which are sequentially connected, the second grooves are matched and connected with the bulge surface at the other side of the bipolar plate, and the second bulges are matched and connected with the dent surface at the other side of the bipolar plate.
Preferably, the first and second electrodes are formed of a metal,
the first pressing plate comprises a third end surface which is opposite to the bipolar plate and is positioned at the edge, the third end surface is flush with the surface of the first groove, the second pressing plate comprises a fourth end surface which is opposite to the bipolar plate and is positioned at the edge, and the fourth end surface is flush with the surface of the second groove; the first pressing plate also comprises a first end surface opposite to the third end surface, the second pressing plate also comprises a second end surface opposite to the fourth end surface,
the detecting step further comprises measuring the dimension between the first end face and the second end face by a measuring tool to obtain a dimension D when the bipolar plate is clamped by the first pressing plate and the second pressing plate; the detecting step further comprises detecting a distance d1 between the first end face and the third end face and a distance d2 between the second end face and the fourth end face by a measuring tool; finally obtaining the thickness dimension H of the bipolar plate which is D-D1-D2.
Preferably, the first and second electrodes are formed of a metal,
the measuring tool is a vernier caliper; and/or the first pressing plate and/or the second pressing plate are/is a deformable component.
The fuel cell polar plate flow channel detection method provided by the invention has the following beneficial effects:
the invention can measure and obtain the detailed runner information of the bipolar plate, such as the length, the corner, the radian, the bending number and the like of the runner by adopting the flowing fluid to cast the runner of the bipolar plate and the steps of standing, taking out and measuring, compared with the existing non-contact detection means, the detection method greatly improves the detection precision, adopts flowing fluid (preferably liquid state of silica gel, solidifiable liquid substance, other substances, as long as the flowing fluid and the solid solidifiable substance can be liquefied) which does not damage the flow channel of the bipolar plate compared with the existing contact measurement means, the flow channel of the bipolar plate can not be scratched, so that the safety performance is higher, the measurement precision of the flow channel of the bipolar plate can be effectively ensured, and the structural strength and the safety reliability of the bipolar plate can be ensured.
2. The invention also can realize the compaction of the bipolar plate through the first pressing plate and the second pressing plate through the structure (preferably a check gauge) of the first pressing plate and the second pressing plate and the measuring tool, the concave and convex surfaces are matched and connected, the thickness and the size of the bipolar plate can be effectively detected and calculated through the measuring tool, and the measuring precision is high.
Drawings
FIG. 1 is a schematic structural diagram of a metal bipolar plate in a fuel cell plate flow channel detection method according to the present invention;
FIG. 2 is a schematic structural diagram of a bipolar plate flow field channel in the fuel cell plate channel detection method of the present invention;
fig. 3 is a schematic diagram illustrating the principle of detecting by using a pressing plate in the fuel cell plate flow channel detecting method of the present invention.
The reference numbers in the figures denote:
1. a bipolar plate; 11. a convex surface; 12. a recessed surface; 13. an air flow passage; 14. a hydrogen gas flow channel; 15. a coolant flow passage; 2. a first platen; 21. a first groove; 22. a first protrusion; 23. a first end face; 24. a third end face; 3. a second platen; 31. a second groove; 32. a second protrusion; 33. a second end face; 34. a fourth end face; 4. a measuring tool; 5. a flow field.
Detailed Description
As shown in fig. 1 to 3, the present invention provides a fuel cell plate flow channel detection method, which includes:
pouring, namely pouring a flow channel of the bipolar plate by using flowing fluid, wherein the upper surface of the poured fluid is higher than the upper end surface of the flow channel;
a standing step, wherein the flowing fluid flows through the flow channel with the whole length, and then stands for t minutes to solidify the fluid;
taking out, namely tearing off the fluid after standing and curing along the direction of the flow channel;
and a measuring step, measuring the size of the taken solid fluid by using a measuring instrument.
The invention can measure and obtain the detailed runner information of the bipolar plate, such as the length, the corner, the radian, the bending number and the like of the runner by adopting the flowing fluid to cast the runner of the bipolar plate and the steps of standing, taking out and measuring, compared with the existing non-contact detection means, the detection method greatly improves the detection precision, adopts flowing fluid (preferably liquid state of silica gel, solidifiable liquid substance, other substances, as long as the flowing fluid and the solid solidifiable substance can be liquefied) which does not damage the flow channel of the bipolar plate compared with the existing contact measurement means, the flow channel of the bipolar plate can not be scratched, so that the safety performance is higher, the measurement precision of the flow channel of the bipolar plate can be effectively ensured, and the structural strength and the safety reliability of the bipolar plate can be ensured.
1. And slowly pouring the prepared glue along the bipolar plate runner, wherein the upper surface of the silica gel is higher than the upper opening part of the runner groove, and standing and curing for 50-80 minutes after the silica gel is leveled into the runner to be detected.
2. The silica gel was gently torn off in the direction of the flow channel.
3. Cutting the solidified silica gel according to the test requirement, and measuring the size of the silica gel by using a high-precision measuring instrument, wherein the high-precision measuring instrument comprises but is not limited to a cubic unit, a projector, an image measuring instrument, a contourgraph and the like.
Preferably, the first and second electrodes are formed of a metal,
the fluid is silica gel; and/or, the t minutes is 50-80 minutes; the measuring instrument comprises at least one of a cubic unit, a projector, an image measuring instrument and a profile instrument. The flowing fluid is in a preferable structural form, namely the flowing fluid is formed by the liquid state of silica gel, can flow in a flow field flow channel and is easy to solidify to a solid state at normal temperature, the flowing fluid can be effectively solidified after being statically solidified for 50-80 minutes, the flow channel can be measured more accurately, and the measuring instrument is at least one of a three-dimensional instrument, a projector, an image measuring instrument and a contourgraph and can effectively measure the size structure of the flow channel.
Preferably, the first and second electrodes are formed of a metal,
the method comprises a pouring step, a mixing step and a mixing step, wherein the pouring step is carried out on the flowing fluid, the flowing fluid is mixed and stirred, the fluid comprises liquid silica gel and a silica gel curing agent, and the liquid silica gel and the silica gel curing agent are proportioned according to a preset weight proportion. The mixing step enables mixing to be carried out before the flowing fluid is poured to facilitate solidification of the silica gel.
Preferably, the first and second electrodes are formed of a metal,
the preset weight ratio is 100:1-3, and/or a shaking step is further included after the mixing step. The mode of oscillation includes, but is not limited to, ultrasonic degassing. The bubbles can be effectively removed by the oscillation.
1. Mixing and stirring liquid silica gel and a silica gel curing agent uniformly according to a ratio of 100:1-3, and vibrating to remove bubbles, wherein the vibration mode comprises but is not limited to ultrasonic degassing;
2. the surface of the bipolar plate is cleaned by cleaning agents, including but not limited to absolute alcohol, acetone and the like.
3. And slowly pouring the prepared glue along the bipolar plate runner, wherein the upper surface of the silica gel is higher than the upper opening part of the runner groove, and standing and curing for 50-80 minutes after the silica gel is leveled into the runner to be detected.
4. The silica gel was gently torn off in the direction of the flow channel.
5. Cutting the solidified silica gel according to the test requirement, and measuring the size of the silica gel by using a high-precision measuring instrument, wherein the high-precision measuring instrument comprises but is not limited to a cubic unit, a projector, an image measuring instrument, a contourgraph and the like.
Preferably, the first and second electrodes are formed of a metal,
the method comprises a mixing step and a cleaning step, wherein the mixing step is followed by the cleaning step, the cleaning step comprises a step of cleaning the surface of the bipolar plate, a cleaning agent is adopted in the cleaning step, and the cleaning agent comprises at least one of absolute ethyl alcohol and acetone. Cleaning, and cleaning agents include but are not limited to absolute alcohol, acetone and the like.
Preferably, the first and second electrodes are formed of a metal,
the method further comprises a detection step, wherein the detection step adopts a first pressing plate 2 and a second pressing plate 3, the bipolar plate 1 is clamped between the first pressing plate 2 and the second pressing plate 3, and the thickness of the bipolar plate 1 is detected through a measuring tool 4. The invention also can realize the compaction of the bipolar plate through the first pressing plate and the second pressing plate through the structure (preferably a check gauge) of the first pressing plate and the second pressing plate and the measuring tool, the concave and convex surfaces are matched and connected, the thickness and the size of the bipolar plate can be effectively detected and calculated through the measuring tool, and the measuring precision is high.
Preferably, the first and second electrodes are formed of a metal,
the surface of the first pressing plate 2, which is connected with the bipolar plate 1, is provided with a plurality of first grooves 21 and first protrusions 22 which are connected in sequence, the first grooves 21 are matched and connected with the protrusion surface 11 of one side of the bipolar plate 1, and the first protrusions 22 are matched and connected with the depression surface 12 of the one side of the bipolar plate 1. Therefore, when the first pressing plate is jointed with the bipolar plate, the first groove and the first bulge on the lower end surface of the first pressing plate are respectively matched with the bulge surface and the depression surface on the bipolar plate, so that the first pressing plate and the bipolar plate can be tightly jointed, and the thickness and the size of the bipolar plate can be measured.
Preferably, the first and second electrodes are formed of a metal,
the surface of the second pressing plate 3 connected with the bipolar plate 1 is also provided with a plurality of second grooves 31 and second protrusions 32 which are connected in sequence, the second grooves 31 are connected with the protrusion surface 11 at the other side of the bipolar plate 1 in a matching way, and the second protrusions 32 are connected with the indentation surface 12 at the other side of the bipolar plate 1 in a matching way. Therefore, the second pressing plate and the bipolar plate can be jointed through the matching of the second groove and the second protrusion on the lower end surface of the second pressing plate and the protrusion surface and the recess surface on the bipolar plate respectively, so that the second pressing plate and the bipolar plate can be tightly jointed, and the thickness and the size of the bipolar plate can be measured.
Preferably, the first and second electrodes are formed of a metal,
the first pressing plate 2 includes a third end surface 24 opposite to the bipolar plate 1 and located at the edge, the third end surface 24 is flush with the surface of the first groove 21, the second pressing plate 3 includes a fourth end surface 34 opposite to the bipolar plate 1 and located at the edge, the fourth end surface 34 is flush with the surface of the second groove 31; the first pressing plate 2 further comprises a first end surface 23 opposite to the third end surface 24, the second pressing plate 3 further comprises a second end surface 33 opposite to the fourth end surface 34,
the detecting step further includes measuring a dimension D between the first end face 23 and the second end face 33 by a measuring tool 4 when the bipolar plate is clamped by the first pressing plate and the second pressing plate; the detecting step further comprises detecting, by means of a measuring tool, a distance d1 between the first end face 23 and the third end face 24, and a distance d2 between the second end face 33 and the fourth end face 34; finally obtaining the thickness dimension H of the bipolar plate which is D-D1-D2.
The method is a preferable step form of measuring and calculating the thickness of the bipolar plate, namely, firstly, two pressing plates are buckled between the bipolar plates, the whole thickness dimension D is measured, then, the distance D1 between the first end surface and the third end surface of the first pressing plate is subtracted, and the distance D2 between the second end surface and the fourth end surface of the second pressing plate is subtracted, so that the distance between the upper end surface and the lower end surface of the bipolar plate (namely, the distance between the upper convex surface and the lower convex surface) is finally obtained, and the measurement of the thickness of the bipolar plate is realized.
Preferably, the first and second electrodes are formed of a metal,
the measuring tool 4 is a vernier caliper; and/or the first pressing plate 2 and/or the second pressing plate 3 are/is a deformable component. The check gauge is preferably made of a soft material, and the soft material is preferably an aluminum alloy. This is the preferred form of construction for the measurement tool of the present invention, as well as the preferred form of construction for the first and second platens, and the use of the deformable member enables it to deform effectively and form a tight fit when engaged with the flow channels of the bipolar plate, providing for subsequent dimensional accuracy.
The invention can adopt the gauge made of soft material (preferably aluminum alloy) to measure the whole height of the bipolar plate.
The method comprises the following specific implementation steps: the detection gauge is vertical to the flow passage surface of the bipolar plate, and the detection gauge is matched with the flow passage surface of the bipolar plate in a concave-convex mode; measuring the total height with a caliper or other measuring tool; and calculating the difference between the theoretical height and the actual height.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention. The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (7)
1. A fuel cell polar plate flow channel detection method is characterized in that: the method comprises the following steps:
pouring, namely pouring a flow channel of the bipolar plate by using flowing fluid, wherein the upper surface of the poured fluid is higher than the upper end surface of the flow channel;
a standing step, wherein the flowing fluid flows through the flow channel with the whole length, and then stands for t minutes to solidify the fluid;
taking out, namely tearing off the fluid after standing and curing along the direction of the flow channel;
measuring the size of the taken solid fluid by using a measuring instrument;
the method comprises a detection step, wherein the detection step adopts a first pressing plate (2) and a second pressing plate (3), the bipolar plate (1) is clamped between the first pressing plate (2) and the second pressing plate (3), and the thickness of the bipolar plate (1) is detected by a measuring tool (4);
the surface of the first pressing plate (2) connected with the bipolar plate (1) is provided with a plurality of first grooves (21) and first bulges (22) which are connected in sequence, the first grooves (21) are matched and connected with a bulge surface (11) at one side of the bipolar plate (1), and the first bulges (22) are matched and connected with a depression surface (12) at the one side of the bipolar plate (1);
the surface of the second pressing plate (3) connected with the bipolar plate (1) is also provided with a plurality of second grooves (31) and second bulges (32) which are connected in sequence, the second grooves (31) are matched and connected with the bulge surface (11) at the other side of the bipolar plate (1), and the second bulges (32) are matched and connected with the dent surface (12) at the other side of the bipolar plate (1).
2. The detection method according to claim 1, characterized in that:
the fluid is silica gel; and/or, the t minutes is 50-80 minutes; the measuring instrument comprises at least one of a cubic unit, a projector, an image measuring instrument and a profile instrument.
3. The detection method according to claim 1, characterized in that:
the method comprises a pouring step, a mixing step and a mixing step, wherein the pouring step is carried out on the flowing fluid, the flowing fluid is mixed and stirred, the fluid comprises liquid silica gel and a silica gel curing agent, and the liquid silica gel and the silica gel curing agent are proportioned according to a preset weight proportion.
4. The detection method according to claim 3, characterized in that:
the preset weight ratio is 100:1-3, and/or a shaking step is further included after the mixing step.
5. The detection method according to claim 3, characterized in that:
the method comprises a mixing step and a cleaning step, wherein the mixing step is followed by the cleaning step, the cleaning step comprises a step of cleaning the surface of the bipolar plate, a cleaning agent is adopted in the cleaning step, and the cleaning agent comprises at least one of absolute ethyl alcohol and acetone.
6. The detection method according to any one of claims 1 to 5, characterized in that:
the first pressing plate (2) comprises a third end surface (24) which is opposite to the bipolar plate (1) and is positioned at the edge, the third end surface (24) is flush with the surface of the first groove (21), the second pressing plate (3) comprises a fourth end surface (34) which is opposite to the bipolar plate (1) and is positioned at the edge, and the fourth end surface (34) is flush with the surface of the second groove (31); the first pressing plate (2) further comprises a first end surface (23) opposite to the third end surface (24), the second pressing plate (3) further comprises a second end surface (33) opposite to the fourth end surface (34),
the detection step further comprises a dimension D obtained by measuring the dimension between the first end face (23) and the second end face (33) through a measuring tool (4) when the bipolar plate is clamped by the first pressing plate and the second pressing plate; the detecting step further comprises detecting, by means of a measuring tool, a distance d1 between the first end face (23) and the third end face (24), and a distance d2 between the second end face (33) and the fourth end face (34); finally obtaining the thickness dimension H of the bipolar plate which is D-D1-D2.
7. The detection method according to claim 1, characterized in that:
the measuring tool (4) is a vernier caliper; and/or the first pressing plate (2) and/or the second pressing plate (3) are/is a deformable component.
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201955357U (en) * | 2011-02-22 | 2011-08-31 | 苏州阿特斯阳光电力科技有限公司 | Test fixture used for testing resistance of cell |
| CN203687832U (en) * | 2013-12-26 | 2014-07-02 | 江苏理士电池有限公司 | Thickness measuring tool of lead-acid storage battery electrode plate |
| CN104833925A (en) * | 2015-05-07 | 2015-08-12 | 昆山弗尔赛能源有限公司 | Fuel cell bipolar plate detection method and system based on machine vision |
| KR20160047195A (en) * | 2014-10-22 | 2016-05-02 | 이종구 | Thickness or width measuring apparatus of moving thin plate |
| CN106989696A (en) * | 2017-04-01 | 2017-07-28 | 东台磊达钢帘线有限公司 | A kind of wire drawing die work cone angle detection method |
| CN107101557A (en) * | 2017-05-19 | 2017-08-29 | 合肥德捷节能环保科技有限公司 | A kind of cubing for being used to detect Gear Processing size |
| CN107421694A (en) * | 2016-11-22 | 2017-12-01 | 中国科学院大连化学物理研究所 | A kind of fuel battery double plates measurement clamping device |
| CN207688768U (en) * | 2017-11-15 | 2018-08-03 | 天津力神电池股份有限公司 | The package thickness measurement and positioning tooling of polymer Li-ion battery |
| CN108413914A (en) * | 2018-02-07 | 2018-08-17 | 广东国鸿氢能科技有限公司 | A kind of fuel battery double plates measurer for thickness and method for measuring thickness |
| CN207936883U (en) * | 2018-03-23 | 2018-10-02 | 常州腾龙轻合金材料有限公司 | A kind of intercooler pipes inner fin height measuring device |
| CN109465336A (en) * | 2017-09-08 | 2019-03-15 | 徐煜 | The punching press sectional die of the metal flow field plate of Proton Exchange Membrane Fuel Cells |
| CN208688363U (en) * | 2018-08-31 | 2019-04-02 | 贵州航瑞科技有限公司 | It is a kind of for detecting the detecting tool of element size |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207741667U (en) * | 2018-01-27 | 2018-08-17 | 东莞市合诚玻璃有限公司 | A kind of mobile phone screen glass measured material |
-
2019
- 2019-08-07 CN CN201910727449.0A patent/CN110514084B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201955357U (en) * | 2011-02-22 | 2011-08-31 | 苏州阿特斯阳光电力科技有限公司 | Test fixture used for testing resistance of cell |
| CN203687832U (en) * | 2013-12-26 | 2014-07-02 | 江苏理士电池有限公司 | Thickness measuring tool of lead-acid storage battery electrode plate |
| KR20160047195A (en) * | 2014-10-22 | 2016-05-02 | 이종구 | Thickness or width measuring apparatus of moving thin plate |
| CN104833925A (en) * | 2015-05-07 | 2015-08-12 | 昆山弗尔赛能源有限公司 | Fuel cell bipolar plate detection method and system based on machine vision |
| CN107421694A (en) * | 2016-11-22 | 2017-12-01 | 中国科学院大连化学物理研究所 | A kind of fuel battery double plates measurement clamping device |
| CN106989696A (en) * | 2017-04-01 | 2017-07-28 | 东台磊达钢帘线有限公司 | A kind of wire drawing die work cone angle detection method |
| CN107101557A (en) * | 2017-05-19 | 2017-08-29 | 合肥德捷节能环保科技有限公司 | A kind of cubing for being used to detect Gear Processing size |
| CN109465336A (en) * | 2017-09-08 | 2019-03-15 | 徐煜 | The punching press sectional die of the metal flow field plate of Proton Exchange Membrane Fuel Cells |
| CN207688768U (en) * | 2017-11-15 | 2018-08-03 | 天津力神电池股份有限公司 | The package thickness measurement and positioning tooling of polymer Li-ion battery |
| CN108413914A (en) * | 2018-02-07 | 2018-08-17 | 广东国鸿氢能科技有限公司 | A kind of fuel battery double plates measurer for thickness and method for measuring thickness |
| CN207936883U (en) * | 2018-03-23 | 2018-10-02 | 常州腾龙轻合金材料有限公司 | A kind of intercooler pipes inner fin height measuring device |
| CN208688363U (en) * | 2018-08-31 | 2019-04-02 | 贵州航瑞科技有限公司 | It is a kind of for detecting the detecting tool of element size |
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