CN104006933A - Quick leak detecting device of fuel battery bipolar plates - Google Patents
Quick leak detecting device of fuel battery bipolar plates Download PDFInfo
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- CN104006933A CN104006933A CN201410209591.3A CN201410209591A CN104006933A CN 104006933 A CN104006933 A CN 104006933A CN 201410209591 A CN201410209591 A CN 201410209591A CN 104006933 A CN104006933 A CN 104006933A
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Abstract
The invention discloses a quick leak detecting device of fuel battery bipolar plates. The quick leak detecting device of the fuel battery bipolar plates comprises a quick fastening device and a leak detecting die. The quick fastening device comprises a servo motor, an upper clamping plate and a lower clamping plate, wherein the servo motor drives the upper clamping plate and the lower clamping plate to be pressed. The leak detecting die is arranged between the upper clamping plate and the lower clamping plate. The leak detecting die comprises a die upper plate and a die lower plate, and after the die upper plate and the die lower plate are pressed in a matched mode, the inside forms a sealed cavity. A bipolar plate to be detected is arranged between the die upper plate and the die lower plate, and the sealed cavity between the die upper plate and the die lower plate is separated into a separate upper cavity and a separate lower cavity. An air inlet is formed in the side wall of the die lower plate, an air outlet is formed in the side wall of the die upper plate, and the air outlet is connected with an airtightness leak detecting instrument. The quick leak detecting device of the fuel battery bipolar plates can detect gas permeability of multiple bipolar plates at one time, and the detecting speed is higher when the servo motor drives the leak detecting die to be pressed.
Description
Technical field
The present invention relates to a kind of fuel battery double plates leakage detection apparatus, relate in particular to a kind of fuel battery double plates fast leakage detection apparatus with fast fixture device.
Background technology
Fuel cell technology is to utilize the most efficient means of Hydrogen Energy.Fuel cell is the chemical energy of hydrogen to be converted into the device of electric energy, has advantages of that the high and low noise of efficiency, zero pollutes, and is playing the part of more and more important role in present day society.Fuel cell need to be assembled into pile by the mode of connecting by a plurality of cells conventionally, and main composition parts have bipolar plates, membrane electrode, end plate and securing member etc., and wherein the gas leakage of bipolar plates and membrane electrode is determining performance and the life-span of fuel cell pile.Therefore how convenient and swift and industrialization detection double-polar plate gas leakage is extremely important on a large scale.Traditional bipolar plates leakage detection apparatus is to be put together by fastening bolt and leak detection mould, hunts leak, and automaticity is not high, belongs to pure manual operations, loses time, and inefficiency, is unfavorable for the development of fuel cell industrialization.
Publication number CN101174693 discloses a kind of fuel cell membrane electrode and double-polar plate gas leakage checking device, for solving the gas leakage performance that detects all kinds of difform planes or non-planar material, the technological means adopting is the upper and lower removable air pressure storehouse with four guide rails to be designed to removable, according to difform plane or non-planar material, changes different air pressure storehouses.In order to make the surperficial pressurized of measured sample even, in device, be provided with a pressure buffer storehouse with grid structure in addition.Disclosed these technological means of the disclosure file can only detect separately bipolar plates sampling, cannot realize scale a plurality of bipolar plates are detected.
Publication number CN101069316 discloses a kind of fuel cell system and method for inspecting gas leakage of same thereof, the main order ground of the disclosure content is for after having detected fuel cell impermeability, do not allow inspection gas sneak in fuel cell, mix with fuel gas, reduce the performance of fuel cell.This document has adopted multiple technologies means in order to reach this purpose: in the stream to fuel cell system supply response gas, form the enclosure space that does not comprise fuel cell; In checking gas discharge system, be provided with pressure reducing mechanism, for inspection gas is depressured under authorised pressure; In checking gas discharge system, be provided with the recovering mechanism that checks gas for reclaiming.The open of this document do not solve and how the bipolar plate tightness of fuel cell hunted leak fast, and complicated structure, needs a large amount of manual operationss, and efficiency is lower.
Publication number CN202379140U discloses a kind of leak tester of Packaging Bottle, belong to the field to Packaging Bottle airtight test, the technical matters solving is to provide and a kind ofly can detects the Packaging Bottle leak tester whether Packaging Bottle leaks, in order to address this problem, the disclosed scheme of this document is that Packaging Bottle sealing is divided into bottle interior sealed cavity and bottle external seal cavity, then to pressurizeing in bottle, and bottle outer air is extracted out and formed vacuum state, by Vacuum Pressure device for detecting difference, be to determine whether Packaging Bottle has leakage.The mode of this document disclosure detection draught head is carried out the impermeability of testing product, but can not to a plurality of products, hunt leak simultaneously, bipolar plates belongs to planar materials simultaneously, in disclosure, also the impermeability of planar products is not detected and makes any technology enlightenment.
To sum up, present bipolar plates leakage detection apparatus only can be put leakage detection apparatus and single bipolar plates to hunt leak separately together, and automaticity is not high, needs a large amount of manual operationss, loses time, and inefficiency, is unfavorable for the development of fuel cell industrialization.
Summary of the invention
Goal of the invention: the object of the invention is for the deficiencies in the prior art, and a kind of fuel battery double plates fast leakage detection apparatus that can disposablely simultaneously detect multi-disc arbitrary flow field bipolar plates or tabula rasa is provided.
Technical scheme: fuel battery double plates fast leakage detection apparatus of the present invention, comprises fast fixture device and leak detection mould; Described fast fixture device comprises servomotor and the train wheel bridge being compressed by driven by servomotor and lower plate; Described leak detection mould has several, stacked being placed between train wheel bridge and lower plate; Described leak detection mould comprises mould upper plate and mould lower plate, and after mould upper plate and mould lower plate coordinate compression, inside forms airtight cavity; Bipolar plates to be detected is arranged between mould upper plate and mould lower plate, and the airtight cavity between mould upper plate and mould lower plate is divided into independently upper cavity and lower chamber; On the sidewall of described mould lower plate, be provided with air admission hole, on the sidewall of described mould upper plate, be provided with venthole, venthole is connected with airtight leak locator.Servomotor energising rear drive compresses leak detection mould, gas is entered the lower chamber of leak detection mould by the mould air admission hole of hunting leak, increase along with lower chamber air pressure, if double-polar plate gas leakage, the air pressure of hunting leak so in mould upper cavity also can increase thereupon, and gas will enter the leak rate that airtight leak locator is measured bipolar plates by leak detection die vent.
As preferably, the middle part in described mould upper plate is provided with the upper plate support ridge that prevents bipolar plates distortion.Gas is entered the lower chamber of leak detection mould by the mould air admission hole of hunting leak, along with the increase of gaseous tension, bipolar plates has deformation, if bipolar plates deformation is excessive, can make original qualified bipolar plates because deformation causes damage gas leakage, impact leak detection result.Therefore the middle part in mould upper plate arranges upper plate support ridge, prevents bipolar plates distortion.
As preferably, the middle part in described mould lower plate is provided with the lower plate support ridge that prevents bipolar plates distortion.In situation about using in the inversion of leak detection mould, bipolar plates can be to lower chamber deformation originally, and therefore the middle part in mould lower plate is provided with the lower plate support ridge that prevents bipolar plates distortion.
As preferably, the inwall interface of described mould upper plate and mould lower plate is respectively arranged with step surface, and up/down steps face is common forms the groove with bipolar plates edge matching, and the surrounding of bipolar plates to be detected is arranged in described groove.Mould upper plate and mould lower plate are arranged to and the groove of bipolar plates edge matching can make more laminating between bipolar plates and mould, do not leave space.
As preferably, in described groove, be provided with sealing gasket.Sealing gasket is set in groove and can guarantees the impermeability between lower chamber and upper cavity, can in detection, not allow gas pass through from groove, the result that impact detects.
As preferably, described servomotor is fixedly installed on the surface of fixed head by fixed leg, and described fixed head is arranged on described lower plate top by guide rail column is fixedly connected with lower plate; Described train wheel bridge is arranged between described fixed head and described lower plate, along described guide rail column, slides; The movement position of train wheel bridge described in the screw mandrel rotation extension and contraction control of described servomotor.Servomotor is fixed by fixed leg and fixed head, motion after energising, rotary screw rod makes train wheel bridge arrive the position of setting, guide rail column mainly plays positioning and guiding effect, and train wheel bridge is moved along guide rail column, when compressing leak detection mould, leak detection mould is stressed evenly, prevent in leak detection process that the mould that causes hunting leak leaks outside because leak detection mould is because of unbalance stress, impact leak detection result.
As preferably, described guide rail column is 4, is arranged on the place, four angles of fixed head and lower plate.
As preferably, also comprise PLC controller, described PLC controller is connected with described servomotor, control servomotor unlatching, close; Described PLC controller is connected with airtight leak locator, reads the testing result of airtight leak locator.PLC controller is connected with servomotor, according to setup parameter control servomotor unlatching, close, further control the position that train wheel bridge arrives; Described PLC controller is connected with admission gear, controls the air pressure in leak detection mould, by controlling the gas flow that enters leak detection mould from air admission hole, reaches the object of controlling the air pressure in leak detection mould; PLC controller is connected with airtight leak locator, reads the testing result of airtight leak locator, confirms that whether the gas leakage of bipolar plates is qualified.
Beneficial effect: (1) the present invention is by being placed on a plurality of stacked placements of leak detection mould between train wheel bridge and lower plate, the gas leakage of detection multi-disc bipolar plates that can be once; Use motor to drive simultaneously and compress leak detection mould, can realize fast detecting; (2) middle part of the present invention in mould upper plate is provided with the upper plate support ridge that prevents bipolar plates distortion, can effectively prevent bipolar plates generation deformation in leak detection process, causes bipolar plates to be damaged; Middle part in mould lower plate arranges lower plate support ridge is also set simultaneously, and mould can be placed arbitrarily unrestricted; (3) the present invention is at the groove of the inwall interface of mould upper plate and mould lower plate being arranged to bipolar plates edge matching, groove can be provided with sealing gasket, can guarantee to hunt leak completely independent between the upper and lower cavity of mould, make the leak detection data of bipolar plates more accurate; (4) the present invention compresses leak detection mould by driven by servomotor train wheel bridge, can control more accurately the distance of decline, more can guarantee the consistance of whole leak detection mould upper plate surrounding to leak detection mould lower plate depression distance, guarantee that whole leak detection mould surrounding is stressed evenly, can not cause leak detection mould local pressure excessive, affect final leak detection result; By the lead motion of train wheel bridge of guide rail, can make train wheel bridge when compressing leak detection mould, leak detection mould upper and lower plates can repeat to be pressed together, and leak detection mould is stressed evenly, and the mould that prevents from hunting leak slides and leaks in leak detection process; (5) apparatus of the present invention can detect the bipolar plates of arbitrary flow field and the leak rate of tabula rasa; (6) the present invention is by PLC controller and servomotor, admission gear and airtight leak locator, and the whole leak detection process of control that can robotization, without the operation of supernumerary's work, has improved accuracy rate and the work efficiency of hunting leak, and is convenient to industrialization and develops on a large scale.
Accompanying drawing explanation
Fig. 1 is the embodiment of the present invention 1 fast fixture device structural representation;
Fig. 2 is the embodiment of the present invention 1 leak detection mould structure schematic diagram.
Embodiment
Below by accompanying drawing, technical solution of the present invention is elaborated, but protection scope of the present invention is not limited to described embodiment.
embodiment 1:a fuel battery double plates fast leakage detection apparatus, comprises fast fixture device and leak detection mould; Described fast fixture device, as shown in Figure 1, comprise the servomotor 1 being connected with PLC controller and the train wheel bridge 5 being compressed by driven by servomotor and lower plate 7, servomotor 1 is fixedly installed on the surface of fixed head 4 by fixed leg 2, fixed head 4 is fixedly connected with lower plate 7 by four guide rail columns 3 that are arranged on the place, four angles of fixed head 4 and lower plate 7; Train wheel bridge 5 is arranged between fixed head 4 and lower plate 7, along guide rail column 3, slides; The screw mandrel 10 of servomotor 1 rotates the movement position of extension and contraction control train wheel bridge 5; Leak detection mould 8 is placed between train wheel bridge 5 and lower plate 7; Leak detection mould 8, as shown in Figure 2, comprises mould upper plate 12 and mould lower plate 11, and the middle part in described mould upper plate 12 is provided with upper plate support ridge 16, and the middle part in described mould lower plate 11 is provided with lower plate support ridge 13; After mould upper plate 12 and mould lower plate 11 coordinate compression, inside forms airtight cavity; The inwall interface of mould upper plate and mould lower plate is respectively arranged with step surface, the groove of the common formation of up/down steps face and bipolar plates 20 edge matchings, in groove, be provided with sealing gasket 19, bipolar plates 20 is arranged between mould upper plate 12 and mould lower plate 11, the surrounding of bipolar plates 20 is arranged in groove and seals by sealing gasket 19, and airtight cavity is divided into independently lower chamber 17 and upper cavity 18; On the sidewall of described mould lower plate 11, be provided with air admission hole 6, be provided with venthole 9 on the sidewall of described mould upper plate 12, venthole 9 is connected with airtight leak locator, and PLC controller is connected with airtight leak locator.
Specific works process: bipolar plates to be checked is put into leak detection mould, leak detection mould is placed between train wheel bridge and lower plate, setup parameter in PLC controller, control the flexible position that makes train wheel bridge arrive and set of servomotor motion rotary screw rod, compress leak detection mould, by air admission hole, in leak detection mould, be filled with gas to set pressure, leak detection die vent is connected to airtight leak locator, through certain hour, read the leak rate of bipolar plates, leak rate is passed to PLC controller, the parameter of setting according to PLC controller, whether qualifiedly determine detected double-polar plate gas leakage rate.
As mentioned above, although represented and explained the present invention with reference to specific preferred embodiment, it shall not be construed as the restriction to the present invention self.Not departing under the spirit and scope of the present invention prerequisite of claims definition, can make in the form and details various variations to it.
Claims (8)
1. a fuel battery double plates fast leakage detection apparatus, is characterized in that: comprise fast fixture device and leak detection mould; Described fast fixture device comprises servomotor and the train wheel bridge being compressed by driven by servomotor and lower plate; Described leak detection mould has several, stacked being placed between train wheel bridge and lower plate; Described leak detection mould comprises mould upper plate and mould lower plate, and after mould upper plate and mould lower plate coordinate compression, inside forms airtight cavity; Bipolar plates to be detected is arranged between mould upper plate and mould lower plate, and the airtight cavity between mould upper plate and mould lower plate is divided into independently upper cavity and lower chamber; On the sidewall of described mould lower plate, be provided with air admission hole, on the sidewall of described mould upper plate, be provided with venthole, venthole is connected with airtight leak locator.
2. fuel battery double plates fast leakage detection apparatus according to claim 1, is characterized in that: the middle part in described mould upper plate is provided with the upper plate support ridge that prevents bipolar plates distortion.
3. fuel battery double plates fast leakage detection apparatus according to claim 1, is characterized in that: the middle part in described mould lower plate is provided with the lower plate support ridge that prevents bipolar plates distortion.
4. fuel battery double plates fast leakage detection apparatus according to claim 1, it is characterized in that: the inwall interface of described mould upper plate and mould lower plate is respectively arranged with step surface, the groove of the common formation of up/down steps face and bipolar plates edge matching, the surrounding of bipolar plates to be detected is arranged in described groove.
5. fuel battery double plates fast leakage detection apparatus according to claim 4, is characterized in that: in described groove, be provided with sealing gasket.
6. fuel battery double plates fast leakage detection apparatus according to claim 1, it is characterized in that: described servomotor is fixedly installed on the surface of fixed head by fixed leg, described fixed head is arranged on described lower plate top by guide rail column is fixedly connected with lower plate; Described train wheel bridge is arranged between described fixed head and described lower plate, along described guide rail column, slides; The movement position of train wheel bridge described in the screw mandrel rotation extension and contraction control of described servomotor.
7. fuel battery double plates fast leakage detection apparatus according to claim 6, is characterized in that: described guide rail column is 4, is arranged on the place, four angles of fixed head and lower plate.
8. fuel battery double plates fast leakage detection apparatus according to claim 1, is characterized in that: also comprise PLC controller, described PLC controller is connected with described servomotor, control servomotor unlatching, close; Described PLC controller is connected with admission gear, controls the air pressure in leak detection mould; Described PLC controller is connected with airtight leak locator, reads the testing result of airtight leak locator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410209591.3A CN104006933A (en) | 2014-05-16 | 2014-05-16 | Quick leak detecting device of fuel battery bipolar plates |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410209591.3A CN104006933A (en) | 2014-05-16 | 2014-05-16 | Quick leak detecting device of fuel battery bipolar plates |
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| CN104006933A true CN104006933A (en) | 2014-08-27 |
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| CN201410209591.3A Pending CN104006933A (en) | 2014-05-16 | 2014-05-16 | Quick leak detecting device of fuel battery bipolar plates |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106197880A (en) * | 2016-08-25 | 2016-12-07 | 宁波蓝鲸自动化科技有限公司 | Air tightness detection equipment |
| CN107478393A (en) * | 2017-09-22 | 2017-12-15 | 福建福安闽东亚南电机有限公司 | A kind of leakage detection apparatus of fuel cell membrane electrode |
| CN107966249A (en) * | 2017-12-27 | 2018-04-27 | 深圳市南科燃料电池有限公司 | A kind of MEA detects fixture |
| CN109115416A (en) * | 2018-11-06 | 2019-01-01 | 嘉兴新美克斯机械制造有限公司 | A kind of cavity body leak tightness testing equipment |
| CN109932142A (en) * | 2017-12-19 | 2019-06-25 | 中国科学院大连化学物理研究所 | A kind of fuel battery double plates and MEA leakage detection apparatus, bipolar plates resistance drop measuring device |
| CN110426162A (en) * | 2019-09-03 | 2019-11-08 | 上海唐锋能源科技有限公司 | The horizontal leak test plant of membrane electrode |
| CN110470435A (en) * | 2019-09-19 | 2019-11-19 | 上海电气集团股份有限公司 | A kind of detection device and its method for flow battery material |
| CN111947843A (en) * | 2020-09-17 | 2020-11-17 | 东风汽车集团有限公司 | Airtight detection shutoff frock of fuel cell bipolar plate |
| CN111999013A (en) * | 2020-09-07 | 2020-11-27 | 湖南钒谷新能源技术有限公司 | Diaphragm gas tightness detection device |
| CN113188726A (en) * | 2020-01-14 | 2021-07-30 | 上海神力科技有限公司 | Graphite bipolar plate leakage detection system and method for detecting leakage of graphite bipolar plate |
| DE102022122437A1 (en) | 2022-09-05 | 2024-03-07 | Thyssenkrupp Ag | System and method for leak testing of thin-film elements |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106197880B (en) * | 2016-08-25 | 2019-02-26 | 宁波蓝鲸自动化科技有限公司 | Air tightness detection equipment |
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| CN109932142A (en) * | 2017-12-19 | 2019-06-25 | 中国科学院大连化学物理研究所 | A kind of fuel battery double plates and MEA leakage detection apparatus, bipolar plates resistance drop measuring device |
| CN107966249B (en) * | 2017-12-27 | 2024-02-06 | 深圳市南科燃料电池有限公司 | MEA detects anchor clamps |
| CN107966249A (en) * | 2017-12-27 | 2018-04-27 | 深圳市南科燃料电池有限公司 | A kind of MEA detects fixture |
| CN109115416A (en) * | 2018-11-06 | 2019-01-01 | 嘉兴新美克斯机械制造有限公司 | A kind of cavity body leak tightness testing equipment |
| CN110426162A (en) * | 2019-09-03 | 2019-11-08 | 上海唐锋能源科技有限公司 | The horizontal leak test plant of membrane electrode |
| CN110470435B (en) * | 2019-09-19 | 2022-04-12 | 上海电气集团股份有限公司 | Detection device and method for flow battery material |
| CN110470435A (en) * | 2019-09-19 | 2019-11-19 | 上海电气集团股份有限公司 | A kind of detection device and its method for flow battery material |
| CN113188726A (en) * | 2020-01-14 | 2021-07-30 | 上海神力科技有限公司 | Graphite bipolar plate leakage detection system and method for detecting leakage of graphite bipolar plate |
| CN113188726B (en) * | 2020-01-14 | 2023-03-03 | 上海神力科技有限公司 | Graphite bipolar plate leakage detection system and method for detecting leakage of graphite bipolar plate |
| CN111999013A (en) * | 2020-09-07 | 2020-11-27 | 湖南钒谷新能源技术有限公司 | Diaphragm gas tightness detection device |
| CN111947843A (en) * | 2020-09-17 | 2020-11-17 | 东风汽车集团有限公司 | Airtight detection shutoff frock of fuel cell bipolar plate |
| DE102022122437A1 (en) | 2022-09-05 | 2024-03-07 | Thyssenkrupp Ag | System and method for leak testing of thin-film elements |
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Address after: Suzhou City, Jiangsu Province, Yushan Town, Kunshan City, 215313 Yu Yang Road No. 299, room 3 Applicant after: Jiangsu hydrogen power new energy Co., Ltd. Address before: 215313 Jiangsu Province, Kunshan City, Yushan City, Yu Yang Road, No. 777, China Energy Saving Industrial Park, No. 3, building 20, No. Applicant before: Jiangsu Lv Yao fuel cell system Manufacturing Co., Ltd |
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Application publication date: 20140827 |