CN108607855A - A kind of bipolar plate for fuel cell mold detection clearing apparatus and method - Google Patents
A kind of bipolar plate for fuel cell mold detection clearing apparatus and method Download PDFInfo
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- CN108607855A CN108607855A CN201810307691.8A CN201810307691A CN108607855A CN 108607855 A CN108607855 A CN 108607855A CN 201810307691 A CN201810307691 A CN 201810307691A CN 108607855 A CN108607855 A CN 108607855A
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- air knife
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The present invention relates to fuel battery double plates processing technique fields, more particularly to a kind of bipolar plate for fuel cell mold detects clearing apparatus, including control unit, mobile mechanism, cleaning mechanism and camera shooting mechanism, the output end of mobile mechanism is connected with mounting bracket, cleaning mechanism and camera shooting mechanism are respectively arranged in mounting bracket, and control unit is electrically connected with mobile mechanism, cleaning mechanism and camera shooting mechanism respectively；The present invention improves cleaning efficiency and effect, reduces artificial input and employee's person risk.Additionally, it is provided a kind of bipolar plate for fuel cell mold detects cleaning method, include the following steps：Positioning；Cleaning；Image obtains；Contrast judgement；Whether there is or not Control of Impurities cleaning mechanisms to carry out next step operation for control unit, if free from admixture, cleaning mechanism and testing agency are removed cleaning and the test position of mold, the present invention by mobile mechanism, help to greatly improve the quality that bipolar plates are processed, and detection efficiency and accuracy are high.
Description
Technical field
The present invention relates to battery pole plates processing technique field more particularly to a kind of detection of bipolar plate for fuel cell mold are clear
Sweeping device and method.
Background technology
Proton Exchange Membrane Fuel Cells, be at present in the world it is most ripe it is a kind of utilizing electrolysis water back reaction principle, use
Regenerative resource hydrogen converts chemical energy to as oxidant as oxygen in reducing agent, air the power generator of electric energy.Its
Chemical reactant is sealed in inside battery different from common batteries, waits for that reactant depletion can not continue output electric energy.Fuel electricity
Pond need to only continue to provide fuel gas and oxidant, that is, sustainable output electric energy, therefore using fuel cell as the locomotive of power,
Short, the clear superiorities such as course continuation mileage height with the filling time.Its pile that generates electricity has that small, energy density is high, zero-emission, net
Change the advantages such as air, reaction, which generates hydrogen-rich water, to be had anti-oxidant, is conducive to body recovery and other effects.
Fuel cell pile is made of multi-disc single battery overlapped in series, bipolar plates is superimposed with membrane electrode close
Envelope, and be fixed by forward and backward end plate and compensation device, constitute proton exchange film fuel cell electric piling.The core of pile is double
Pole plate and MEA, bipolar plates often make of graphite material.Compared to metal double polar plates, graphite bi-polar plate has high electrical conductivity, anti-corrosion
Property, light weight, long lifespan and it is good with electrode compatibility the features such as.
Existing graphite bi-polar plate moulding process forms flow field first, by the hard graphite surface of mechanical engraving.This method efficiency
Low, mechanical processing difficulty is big, and cost is higher, and machine-shaping pole plate is thicker, more crisp not to be easily assembled.Second, passing through molding die
Molding forms flow field.This method can be higher compared to being carved with by the features one-pass molding such as polar board surface flow field and public passage
Efficiency, saves cost, and the pole plate of machine-shaping can be accomplished very thin, and have certain toughness.But since flexible graphite plate is softer, mould
Micro-vacuum state is formed after molded, is adsorbed on die surface, it is necessary to artificial removal's edge grinding is relied on, by molding pole plate from mold
It takes out.It is manually that mold is clean after taking-up, the graphite clast for being attached to die surface is cleaned out, then artificial vision
It has detected whether that residual, this clean method take time and effort, the tools such as air gun and hairbrush need to be used.If residue adhesion is higher
Also need using mold cleaner with non-woven fabrics die surface is more difficult cleans out；If cleaning is not clean, it will cause soft graphites
Plate surface flow field extrudes pit by clast, batch waste product occurs, in addition, artificial cleaning detection, need to stretch into press bed by hand, deposit
In certain security risk.
Invention content
The object of the present invention is to provide being conducive to improve the fuel battery double plates quality of production, disqualification rate and artificial is reduced
The fuel battery double plates mold cleaning device of destabilizing factor risk.
Another object of the present invention is to provide improve mold cleaning efficiency and clean-up performance, and then raising fuel cell pair
The fuel battery double plates mold clean method of pole plate processing quality.
To achieve the goals above, the present invention provides a kind of bipolar plate for fuel cell mold detection clearing apparatus, including
The output end of control unit, mobile mechanism, cleaning mechanism and camera shooting mechanism, the mobile mechanism is connected with mounting bracket, described clear
Clean mechanism and camera shooting mechanism are respectively arranged in mounting bracket, described control unit respectively with mobile mechanism, cleaning mechanism and video camera
Structure is electrically connected；
Described control unit includes control module, receives mould for receiving the image for the die surface that camera shooting mechanism is absorbed
Block, for judging whether the image of die surface of intake has the judgment module of impurity and for feeding back the signal for whether having impurity
To the feedback module of control module, the control module is electrically connected with image receiver module, judgment module and feedback module respectively.
The technical program be further improved for, the mounting bracket include connecting plate, camera shooting holder, upper air knife holder and under
Air knife holder, the connecting plate are fixedly connected with the output end of mobile mechanism, and described camera shooting holder one end connect with connecting plate, is another
One end is connect with upper air knife holder, and the lower air knife holder is connect with connecting plate backwards to the side of camera shooting holder.
The technical program be further improved for, the cleaning mechanism include for clean the upper air knife module of upper mold and
Lower air knife module for cleaning lower mold, the upper air knife module are installed on air knife holder, the lower air knife module installation
In lower air knife holder.
The technical program be further improved for, the quantity of the upper air knife module and lower air knife module has several groups,
Air knife module and lower air knife module are arranged in parallel respectively in the several groups.
The technical program be further improved for, it is described camera shooting mechanism include for absorb top mold surface image on regard
Feel is taken pictures module and takes pictures module for absorbing the lower vision of bottom mold surface image, and the upper vision is taken pictures module and lower vision
Module of taking pictures is installed on camera shooting holder side opposite to each other.
Being further improved of the technical program takes pictures module for, the upper vision and lower vision is taken pictures, and module includes infrared
Light filling unit.
A kind of bipolar plate for fuel cell mold detection cleaning method, includes the following steps：
1) it positions, cleaning mechanism and camera shooting mechanism are moved respectively to cleaning and the camera position of mold by mobile mechanism；
2) it cleans, cleaning mechanism removes the impurity of die surface；
3) image obtains, the image of camera shooting mechanism intake mold embossing surface；
4) real image obtained in step 3) is compared with pre-set image for contrast judgement, judgment module, judges mould
Have surface and whether there is impurity；
5) control unit controls cleaning mechanism progress next step operation according to the conclusion of step 4) and is moved if free from admixture
Cleaning mechanism and camera shooting mechanism are removed cleaning and the camera position of mold by mechanism；If there is impurity, repeatedly step 2)~4).
The technical program is further improved as in the step 2), the cleaning mechanism is during cleaning along pole plate
Length direction serpentine locomotion.
The technical program is further improved as in the step 4), pre-set image is divided into several by described control unit
A region is simultaneously numbered.
The technical program is further improved as in the step 5), when die surface has impurity, judgment module will be real
Border image is compared with pre-set image, and determines that real image has the region in the corresponding pre-set image in the position of impurity, so
The number information in the region is fed back to control module by judgment module by feedback module afterwards, and control module controls mobile mechanism will
The physical location that cleaning mechanism is moved to the corresponding mold of marked region is cleaned again.
The present invention has the following technical effects：
The automatic detection and cleaning of mold can be achieved in the present invention, on the one hand, avoids the missing inspection caused by artificial detection, causes
Mold has impurity residual, effectively improves the quality of repeatedly molding pole plate, and mold cleaning process is eliminated without manually being operated
Due to manually carrying out clean security risk；On the other hand, die surface is imaged by imaging mechanism, it is single by controlling
Member compares and analyzes the image of intake, obtains whether die surface has impurity remaining as a result, controlling mobile mechanism's shifting again
Dynamic cleaning mechanism is cleaned, and cleaning is accurate quick, effectively improves the quality and efficiency of pole plate production.
The present invention helps to greatly improve the quality of bipolar plates processing, and has higher repeatability, consistency, reduces pole
The disqualification rate of plate processing and artificial destabilizing factor risk, are detected die surface by the method for vision-based detection, examine
It surveys efficiency and accuracy is high.
Description of the drawings
Fig. 1 is the stereogram of the preferred embodiment of the present invention；
Fig. 2 is cleaning mechanism in the preferred embodiment of the present invention, mounting bracket and the assembly structure figure for imaging mechanism；
Fig. 3 is the track schematic diagram that mechanism is imaged in the preferred embodiment of the present invention along the length direction serpentine locomotion of pole plate；
Fig. 4 is the connection block diagram in the preferred embodiment of the present invention；
Fig. 5 is the step block diagram of clean method in the preferred embodiment of the present invention.
Wherein, control unit 1, control module 11, image receiver module 12, judgment module 13, feedback module 14, moving machine
Structure 2, cleaning mechanism 3, upper air knife module 31, lower air knife module 32 image mechanism 4, and upper vision is taken pictures module 41, and lower vision is taken pictures
Module 42, infrared light filling unit 43, mounting bracket 5, connecting plate 51 image holder 52, upper air knife holder 53, lower air knife holder 54.
Specific implementation mode
With reference to the accompanying drawings and examples, the specific implementation mode of the present invention is described in further detail.Implement below
Example is not limited to the scope of the present invention for illustrating the present invention.
With reference to figure 1,2 and 4, a kind of bipolar plate for fuel cell mold of the present embodiment detects clearing apparatus, including control
Unit 1, mobile mechanism 2, cleaning mechanism 3 and camera shooting mechanism 4, the output end of mobile mechanism 2 are connected with mounting bracket 5, cleaning mechanism 3
It is respectively arranged in mounting bracket 5 with camera shooting mechanism 4, control unit 1 is electric with mobile mechanism 2, cleaning mechanism 3 and camera shooting mechanism 4 respectively
Connection；
Control unit 1 includes control module 11, the image receiver module for receiving the die surface that camera shooting mechanism 4 is absorbed
12, for judging whether the image of the die surface of intake has the judgment module 13 of impurity and for feeding back the letter for whether having impurity
Number give control module 11 feedback module 14, control module 11 respectively with image receiver module 12, judgment module 13 and feedback mould
Block 14 is electrically connected, and in the present embodiment, control unit 1 is mounted in mobile mechanism 2, specifically, mobile mechanism 2 can be this field
Common Multi-shaft mechanical arm.
The present embodiment can realize the automatic detection and cleaning of mold, on the one hand, avoid the missing inspection caused by artificial detection, lead
It causes mold to have impurity residual, effectively improves the quality of repeatedly molding pole plate, mold cleaning process is eliminated without manually being operated
Due to manually carrying out clean security risk；On the other hand, die surface is imaged by imaging mechanism 4, passes through control
Unit 1 processed compares and analyzes the image of intake, obtains whether die surface has impurity remaining as a result, controlling moving machine again
Structure 2 moves cleaning mechanism 3 and is cleaned, and cleaning is accurate quick, effectively improves the quality and efficiency of pole plate production.
With reference to figure 1~2, in the present embodiment, specifically, mounting bracket 5 includes connecting plate 51, camera shooting holder 52, upper air knife
Holder 53 and lower air knife holder 54, connecting plate 51 is fixedly connected with the output end of mobile mechanism 2, is imaged 52 one end of holder and is connect
The connection of plate 51, the other end are connect with upper air knife holder 53, and lower air knife holder 54 is with connecting plate 51 backwards to the side for imaging holder 52
Connection, it is to be understood that facilitate installation cleaning mechanism 3 and camera shooting mechanism 4, improve cleaning mechanism 3 and image what mechanism 4 was installed
Safety and stability.
With reference to figure 1~2, in the present embodiment, the molds of fuel battery double plates includes upper mold and lower mold, therefore,
Cleaning mechanism 3 includes the upper air knife module 31 for cleaning upper mold and the lower air knife module 32 for cleaning lower mold, upper gas
Cutting die group 31 is installed on air knife holder 53, and lower air knife module 32 is installed on lower air knife holder 54, when cleaning bipolar plate die,
The upper mold of bipolar plate die and lower mold, convenient and efficient, cleaning efficiency higher, in addition, being carried out using air knife can be cleaned simultaneously
Cleaning reduces the wind direction that die surface flow field is destroyed, and improves die life.
With reference to figure 2, the quantity of upper air knife module 31 and lower air knife module 32 has a several groups, air knife module 31 in several groups
It is arranged in parallel respectively with lower air knife module 32, it is to be understood that the whole surface of mold can be cleaned simultaneously, without anti-
The position cycle cleaning for moving cleaning mechanism 3 again, further improves clean efficiency, in addition, enhancing cleaning effect.
Therefore, camera shooting mechanism 4 includes taking pictures module 41 and for absorbing for absorbing the upper vision of top mold surface image
The lower vision of bottom mold surface image is taken pictures module 42, and upper vision takes pictures module 41 and lower vision is taken pictures, and module 42 is installed on opposite to each other
Holder 52 side is imaged, module 41 can be taken pictures by upper vision and lower vision takes pictures module 42 simultaneously to upper mold and lower mold
Surface is imaged, while being compared and analyzed to two groups of images, more efficient, and is not necessarily to dollying mechanism 4 in the process, is clapped
According to more stable accurate.
Further, upper vision takes pictures module 41 and lower vision module 42 of taking pictures includes infrared light filling unit 43, passes through
Infrared light filling unit 43 is to image the camera shooting progress light filling of mechanism 4, improves the readability that camera shooting mechanism 4 shoots image, meanwhile,
Since infrared light is black light, contribute to the light pollution for reducing processing environment.
With reference to figure 1~5, a kind of bipolar plate for fuel cell mold detection cleaning method includes the following steps：
1) it positions, cleaning mechanism 3 and camera shooting mechanism 4 are moved respectively to cleaning and the camera position of mold by mobile mechanism 2；
2) it cleans, cleaning mechanism 3 removes the impurity of die surface；
3) image obtains, and the image of mold embossing surface absorbs in camera shooting mechanism 4；
4) real image obtained in step 3) is compared with pre-set image for contrast judgement, judgment module 13, judges
Die surface whether there is impurity；
5) control unit 1 controls the progress next step operation of cleaning mechanism 3 according to the conclusion of step 4) and is moved if free from admixture
Cleaning mechanism 3 and camera shooting mechanism 4 are removed cleaning and the camera position of mold by motivation structure 2；If there is impurity, repeatedly step 2)~
4)。
The present embodiment helps to greatly improve the quality of bipolar plates processing, and has higher repeatability, consistency, reduces
The disqualification rate of pole plate processing and artificial destabilizing factor risk, are detected die surface by the method for vision-based detection,
Detection efficiency and accuracy are high.
With reference to figure 4, in the present embodiment, specifically, in step 2), cleaning mechanism 3 is during cleaning along the length of pole plate
Direction serpentine locomotion makes the movement locus of cleaning mechanism 3 cover entire die surface, further increase the clean efficiency of mold and
Effect, in addition, since the mold of molding fuel battery double plates includes upper mold and lower mold, in cleaning upper mold and
When lower mold, air knife module 31 should be first passed through and clean upper mold, lower mold is then cleaned by lower air knife module 32 again, is prevented
When cleaning upper mold afterwards, the impurity of upper mold falls to lower mold, causes the secondary pollution of lower mold.
Further, in step 4), pre-set image is divided into several regions and is numbered, step 5) by control unit 1
In, when die surface has impurity, real image is compared judgment module 13 with pre-set image, and determines that real image has
Region in the corresponding pre-set image in position of impurity, then judgment module 13 number information in the region is passed through into feedback module
14 feed back to control module 11, and control module 11 controls mobile mechanism 2 and cleaning mechanism 3 is moved to the corresponding mold of marked region
Physical location cleaned again, it is to be understood that help to improve control unit 1 carry out image comparison analysis effect
Rate, meanwhile, the region of impurity can more accurately be located, and mobile cleaning mechanism 3 cleans it, without again to entire
Mold is cleaned, and cleaning efficiency is further improved.
To sum up, the present embodiment realizes mold detection and cleaning automatically, without manually using the tools such as air gun or hairbrush, drop
Low die surface flow field die life is improved by artificial destruction risk；
Upper and lower mold is realized without missing inspection, and it includes infrared light filling unit 43 to image mechanism 4, without manually using work
Lamp searchlighting detects, and avoids causing impurity to remain because of artificial missing inspection or detection insufficient light, influences follow-up pole plate processing quality；
By the way that cleaning is performed fully automatic, artificial destabilizing factor is reduced, while reducing artificial input cost.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and replacement can also be made, these improve and replace
Also it should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of bipolar plate for fuel cell mold detects clearing apparatus, which is characterized in that including control unit, mobile mechanism,
The output end of cleaning mechanism and camera shooting mechanism, the mobile mechanism is connected with mounting bracket, the cleaning mechanism and camera shooting mechanism point
It is not installed on mounting bracket, described control unit is electrically connected with mobile mechanism, cleaning mechanism and camera shooting mechanism respectively；
Described control unit includes control module, the image receiver module for receiving the die surface that camera shooting mechanism is absorbed, uses
In judging whether the image of the die surface of intake has the judgment module of impurity and whether have the signal of impurity to controlling for feed back
The feedback module of molding block, the control module are electrically connected with image receiver module, judgment module and feedback module respectively.
2. a kind of bipolar plate for fuel cell mold detects clearing apparatus according to claim 1, which is characterized in that the peace
It shelves including connecting plate, camera shooting holder, upper air knife holder and lower air knife holder, the output end of the connecting plate and mobile mechanism is solid
Fixed connection, described camera shooting holder one end is connect with connecting plate, the other end is connect with upper air knife holder, the lower air knife holder and company
Side connection of the fishplate bar backwards to camera shooting holder.
3. a kind of bipolar plate for fuel cell mold detects clearing apparatus according to claim 2, which is characterized in that described clear
Clean mechanism includes the upper air knife module for cleaning upper mold and the lower air knife module for cleaning lower mold, the upper air knife mould
Group is installed on air knife holder, and the lower air knife module is installed on lower air knife holder.
4. a kind of bipolar plate for fuel cell mold detects clearing apparatus according to claim 3, which is characterized in that on described
The quantity of air knife module and lower air knife module has a several groups, and air knife module is parallel with lower air knife module difference in the several groups
Arrangement.
5. a kind of bipolar plate for fuel cell mold detects clearing apparatus according to claim 2, which is characterized in that described to take the photograph
Camera structure includes taking pictures module and for absorbing under bottom mold surface image for absorbing the upper vision of top mold surface image
Vision is taken pictures module, and the upper vision takes pictures module and lower vision is taken pictures, and module is installed on camera shooting holder side opposite to each other.
6. a kind of bipolar plate for fuel cell mold detects clearing apparatus according to claim 5, which is characterized in that on described
Vision takes pictures module and lower vision is taken pictures, and module includes infrared light filling unit.
7. a kind of bipolar plate for fuel cell mold detects cleaning method, which is characterized in that include the following steps：
1) it positions, cleaning mechanism and camera shooting mechanism are moved respectively to cleaning and the camera position of mold by mobile mechanism；
2) it cleans, cleaning mechanism removes the impurity of die surface；
3) image obtains, the image of camera shooting mechanism intake mold embossing surface；
4) real image obtained in step 3) is compared with pre-set image for contrast judgement, judgment module, judges mold table
Face whether there is impurity；
5) control unit controls cleaning mechanism according to the conclusion of step 4) and carries out next step operation,
If free from admixture, cleaning mechanism and camera shooting mechanism are removed cleaning and the camera position of mold by mobile mechanism；If there is impurity,
Then repeat step 2)~4).
8. a kind of bipolar plate for fuel cell mold detects cleaning method according to claim 1, which is characterized in that the step
It is rapid 2) in, the cleaning mechanism is during cleaning along the length direction serpentine locomotion of pole plate.
9. a kind of bipolar plate for fuel cell mold detects cleaning method according to claim 7, which is characterized in that the step
It is rapid 4) in, pre-set image is divided into several regions and is numbered by described control unit.
10. a kind of bipolar plate for fuel cell mold detects cleaning method according to claim 9, which is characterized in that described
In step 5), when die surface has impurity, real image is compared judgment module with pre-set image, and determines practical figure
As there is the region in the corresponding pre-set image in the position of impurity, then the number information in the region is passed through feedback mould by judgment module
Block feeds back to control module, and cleaning mechanism is moved to the reality of the corresponding mold of marked region by control module control mobile mechanism
It is cleaned again position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810307691.8A CN108607855A (en) | 2018-04-08 | 2018-04-08 | A kind of bipolar plate for fuel cell mold detection clearing apparatus and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810307691.8A CN108607855A (en) | 2018-04-08 | 2018-04-08 | A kind of bipolar plate for fuel cell mold detection clearing apparatus and method |
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| CN108607855A true CN108607855A (en) | 2018-10-02 |
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ID=63659800
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| CN201810307691.8A Pending CN108607855A (en) | 2018-04-08 | 2018-04-08 | A kind of bipolar plate for fuel cell mold detection clearing apparatus and method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109301292A (en) * | 2018-10-31 | 2019-02-01 | 长兴欧森科技有限公司 | A kind of fuel cell automatically cleans dress basket machine with flexible graphite polar plate |
| CN110813960A (en) * | 2019-11-25 | 2020-02-21 | 河南中烟工业有限责任公司 | Intelligent tobacco basket cleaning device and control method |
| CN112687937A (en) * | 2020-12-18 | 2021-04-20 | 上海神力科技有限公司 | Method for cleaning foreign matter in fuel cell stack |
| CN113399319A (en) * | 2021-05-26 | 2021-09-17 | 山东天岳先进科技股份有限公司 | Visual cleaning method and device for crystal furnace |
| CN113620026A (en) * | 2021-07-29 | 2021-11-09 | 中冶赛迪工程技术股份有限公司 | Cleaning device applied to return belt surface of belt conveyor |
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| CN202606450U (en) * | 2012-05-10 | 2012-12-19 | 山东天信光伏新能源有限公司 | Air knife cleaning device for cell production line |
| CN206810794U (en) * | 2017-04-20 | 2017-12-29 | 昆山扬明光学有限公司 | Optical element cleaning device |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202606450U (en) * | 2012-05-10 | 2012-12-19 | 山东天信光伏新能源有限公司 | Air knife cleaning device for cell production line |
| CN206810794U (en) * | 2017-04-20 | 2017-12-29 | 昆山扬明光学有限公司 | Optical element cleaning device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109301292A (en) * | 2018-10-31 | 2019-02-01 | 长兴欧森科技有限公司 | A kind of fuel cell automatically cleans dress basket machine with flexible graphite polar plate |
| CN110813960A (en) * | 2019-11-25 | 2020-02-21 | 河南中烟工业有限责任公司 | Intelligent tobacco basket cleaning device and control method |
| CN112687937A (en) * | 2020-12-18 | 2021-04-20 | 上海神力科技有限公司 | Method for cleaning foreign matter in fuel cell stack |
| CN113399319A (en) * | 2021-05-26 | 2021-09-17 | 山东天岳先进科技股份有限公司 | Visual cleaning method and device for crystal furnace |
| CN113399319B (en) * | 2021-05-26 | 2023-08-22 | 山东天岳先进科技股份有限公司 | Visual cleaning method and visual cleaning equipment for crystal furnace |
| CN113620026A (en) * | 2021-07-29 | 2021-11-09 | 中冶赛迪工程技术股份有限公司 | Cleaning device applied to return belt surface of belt conveyor |
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