CN108168790A - A kind of leakage detection apparatus for fuel cell pile - Google Patents
A kind of leakage detection apparatus for fuel cell pile Download PDFInfo
- Publication number
- CN108168790A CN108168790A CN201711462945.5A CN201711462945A CN108168790A CN 108168790 A CN108168790 A CN 108168790A CN 201711462945 A CN201711462945 A CN 201711462945A CN 108168790 A CN108168790 A CN 108168790A
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- China
- Prior art keywords
- cabinet
- fuel cell
- cell pile
- water tank
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000446 fuel Substances 0.000 title claims abstract description 60
- 238000001514 detection method Methods 0.000 title claims abstract description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 93
- 238000007599 discharging Methods 0.000 claims description 4
- 239000007789 gas Substances 0.000 description 13
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/06—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fuel Cell (AREA)
Abstract
The present invention relates to a kind of leakage detection apparatus for fuel cell pile, the device includes the aqueous vapor feed unit being sequentially connected, leak detection unit and drainage cell, aqueous vapor feed unit includes the first cabinet, the pipe-line system being arranged in the first cabinet and the control system being arranged on the first cabinet, leak detection unit includes the second cabinet and the leakage of water tank mechanism for being rotatably arranged on the second cabinet and being connected with pipe-line system, and drainage cell includes third cabinet and the water drain mechanism of water channel for being arranged on third cabinet and being connected with leakage of water tank mechanism.Compared with prior art, the present invention can either judge the air-tightness of fuel cell pile according to the pressure differential of gas before and after leak detection, the leakage position of fuel cell pile also can be quickly and accurately oriented according to the bubble situation in water tank simultaneously, convenient for carrying out Quick overhaul to fuel cell pile, it is simple and convenient, securely and reliably.
Description
Technical field
The invention belongs to field of fuel cell technology, are related to a kind of leakage detection apparatus for fuel cell pile.
Background technology
Develop with the explosion type of automobile hydrogen fuel battery industry, the demand of corresponding fuel cell pile constantly increases
Add.The air-tightness of pile has the performance of fuel cell extreme influence, therefore in the production process of pile, needs to pile
Air-tightness be detected.However, there are no the pile air-tightness detection method and detection device of standard, each factories in industry at present
Quotient is irregular to the detection quality of pile, cause some piles can not normal use, affect the performance of fuel cell；Together
When, some manufacturers are excessively complicated by the way of in terms of pile air-leakage test, and complex steps increase production cost.
Invention content
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide one kind is used for fuel cell
The leakage detection apparatus of pile.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of leakage detection apparatus for fuel cell pile, the device include the aqueous vapor feed unit being sequentially connected, leak detection
Unit and drainage cell, the aqueous vapor feed unit include the first cabinet, the pipe-line system that is arranged in the first cabinet and
The control system being arranged on the first cabinet, the leak detection unit include the second cabinet and are rotatably arranged on the second cabinet
And the leakage of water tank mechanism being connected with pipe-line system, the drainage cell include third cabinet and are arranged on third cabinet
Water drain mechanism of water channel that is upper and being connected with leakage of water tank mechanism.Fuel cell pile is placed in leakage of water tank mechanism, by
Pipe-line system provides the water and search gas needed for leak detection for leakage of water tank mechanism, and control system controls the progress of leak detection process,
After leak detection, the water in leakage of water tank mechanism is expelled in water drain mechanism of water channel.During leak detection, leakage of water tank mechanism can be
It is rotated on two cabinets, from personnel easy to operation carry out fuel cell pile from all directions.
Further, first cabinet, the second cabinet and third cabinet are fixedly connected sequentially together.It can be by first
Cabinet, the second cabinet and the design of third cabinet are integrated.
Further, the bottom of first cabinet and third cabinet is equipped with universal wheel.Universal wheel is convenient for device
It moves integrally.
Further, the pipe-line system includes the feed pipe, air supply pipe and the exhaust pipe that are arranged in the first cabinet, institute
The outer wall of the first cabinet stated be equipped with the tap being connected with feed pipe, the inlet pipe connection that is connected with air supply pipe and
The outlet connecting tube being connected with exhaust pipe.Tap for leakage of water tank mechanism provide leak detection needed for water, inlet pipe connection and
Outlet connecting tube is connected respectively with the air inlet of fuel cell pile and gas outlet.
Be equipped with as preferred technical solution, in first cabinet water tank that is connected with feed pipe and with gas supply
The gas bomb that pipe is connected.When inconvenience access external water source and air source, provided using water tank, the gas bomb in the first cabinet
Water and search gas.
As preferred technical solution, the air supply pipe is equipped with pressure reducing valve.Pressure reducing valve is convenient for carrying out admission pressure
It adjusts.
Further, the control system includes the flow for being arranged on the first cabinet and being connected respectively with air supply pipe
Meter and pressure gauge.Flowmeter and pressure gauge can show the flow and pressure of gas respectively.
As preferred technical solution, the flow is calculated as spinner flowmeter.
As preferred technical solution, the control system further includes the touch screen and power supply being arranged on the first cabinet
Switch.The power on/off of power supply switch controller, touch screen control the progress of leak detection process, and monitoring state.
Further, the leakage of water tank mechanism includes the turntable being rotatably arranged on the second cabinet and is arranged on to turn
Water tank on disk.Fuel cell pile is placed in water tank, and with water immersion fuel cell pile, if fuel cell pile is sent out
Raw leakage, can quickly be found by the bubble in water, and rotate water tank using turntable, and fuel cell electricity is oriented to observe
The leakage position of heap.
As preferred technical solution, bearing is equipped between the top of the turntable and the second cabinet, to reduce turntable
Frictional force when being relatively rotated with the second cabinet.
The liquid level sensor being electrically connected with tap is equipped with as preferred technical solution, in the water tank.Work as water tank
In liquid level when reaching preset height, auto-closed water tap.
Further, the top end opening of the water tank, bottom are equipped with outlet pipe, which is equipped with discharging valve.Water
The top end opening of case adds water and fuel cell pile and inlet pipe connection, the company of outlet connecting tube convenient for tap into water tank
It connects, outlet pipe and discharging valve are convenient for quickly releasing the water in water tank after leak detection.
Further, the water tank is transparent water tank, and the outer wall of first cabinet is equipped with to be adapted with water tank
Headlamp.Transparent water tank is convenient for the fuel cell pile from each side, and headlamp is convenient for providing photograph in dark
It is bright, become apparent from the bubble of the fuel cell pile in water tank.
Further, the water drain mechanism of water channel includes the sink being arranged on third cabinet.After leak detection, water tank
In water be discarded in sink.
Further, the bottom of the sink offers water outlet, and the water drain mechanism of water channel, which further includes, to be arranged on
Water storage barrel in third cabinet and below water outlet.When inconvenience accesses exterior drainage system, the water that is expelled in sink
It is temporarily stored in water storage barrel, avoids the leak detection process after influencing.
As preferred technical solution, the device further includes conveyer and crane.It is by conveyer that fuel is electric
Pond pile is delivered at water tank, is later sling fuel cell pile using crane and is placed in water tank.
The present invention is in practical application, fuel cell pile is placed in water tank (if pile is overweight can to use crane
Lifting), and fuel cell pile is connected with inlet pipe connection, outlet connecting tube, it is added in later using tap into water tank
Water, makes the water surface cover fuel cell pile highest point, and whether observation fuel cell pile surface has bubble, and write down the big of bubble
Small and its position；Search gas is passed through into fuel cell pile, and adjusts admission pressure as 3-4bar, observation fuel cell electricity
Whether heap surface has bubble, and writes down size and its position of bubble, to judge fuel cell pile with the presence or absence of leakage phenomenon
And determine leakage position；Admission pressure is adjusted to 100KPaG, at least keeps pressure stability 1min, closes air inlet later, one section
After time, gas pressure is recorded, the air-tightness of fuel cell pile is judged according to front and rear pressure differential；After leak detection, by water
Water is expelled in sink in case, takes out fuel cell pile.
Compared with prior art, the invention has the characteristics that：
1) air-tightness of fuel cell pile can either be judged according to the pressure differential of gas before and after leak detection, while also can
Bubble situation in water tank quickly and accurately orients the leakage position of fuel cell pile, convenient for fuel cell pile
Quick overhaul is carried out, it is simple and convenient；
2) can device be moved to precalculated position according to actual needs, to the fuel cell pile at different location into
Row leak detection, flexibility are good；
3) when hunting leak, operating space is left-right situs with the area of observation coverage, realizes the observation of operation and control and fuel cell pile
Separation, is independent of each other, securely and reliably.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is the main structure diagram of the present invention；
Description of symbols in figure：
1-the first cabinet, the 2-the second cabinet, 3-third cabinet, 4-universal wheel, 5-tap, 6-air inlet connection
Pipe, 7-outlet connecting tube, 8-flowmeter, 9-pressure gauge, 10-turntable, 11-water tank, 12-outlet pipe, 13-headlamp,
14-sink, 15-water outlet.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.The present embodiment is with technical solution of the present invention
Premised on implemented, give detailed embodiment and specific operating process, but protection scope of the present invention is not limited to
Following embodiments.
Embodiment：
A kind of leakage detection apparatus for fuel cell pile as shown in Figure 1 and Figure 2, the device include the water being sequentially connected
Gas feed unit, leak detection unit and drainage cell, aqueous vapor feed unit include the first cabinet 1, the pipe being arranged in the first cabinet 1
Road system and the control system being arranged on the first cabinet 1, leak detection unit include the second cabinet 2 and are rotatably arranged on second
The leakage of water tank mechanism being connected on cabinet 2 and with pipe-line system, drainage cell include third cabinet 3 and are arranged on third cabinet
The water drain mechanism of water channel being connected on body 3 and with leakage of water tank mechanism.
Wherein, the first cabinet 1, the second cabinet 2 and third cabinet 3 are fixedly connected sequentially together.First cabinet 1 and third
The bottom of cabinet 3 is equipped with universal wheel 4.
Pipe-line system includes the feed pipe, air supply pipe and the exhaust pipe that are arranged in the first cabinet 1, the outer wall of the first cabinet 1
It is equipped with the tap 5 that is connected with feed pipe, the inlet pipe connection 6 being connected with air supply pipe and is connected with exhaust pipe
Outlet connecting tube 7.
Control system includes being arranged on the flowmeter 8 being respectively connected on the first cabinet 1 and with air supply pipe and pressure gauge 9.
Leakage of water tank mechanism includes the turntable 10 being rotatably arranged on the second cabinet 2 and the water tank being arranged on turntable 10
11.The top end opening of water tank 11, bottom are equipped with outlet pipe 12, which is equipped with discharging valve.Water tank 11 is transparent water tank,
The outer wall of first cabinet 1 is equipped with the headlamp 13 being adapted with water tank 11.
Water drain mechanism of water channel includes the sink 14 being arranged on third cabinet 3.The bottom of sink 14 offers water outlet 15,
Water drain mechanism of water channel, which further includes, to be arranged in third cabinet 3 and positioned at the water storage barrel of 15 lower section of water outlet.
It (can be risen in practical application, fuel cell pile is placed in water tank 11 if pile is overweight with crane
Hang), and fuel cell pile is connected with inlet pipe connection 6, outlet connecting tube 7, added later using tap 5 into water tank 11
Enter water, the water surface is made to cover fuel cell pile highest point, whether observation fuel cell pile surface has bubble, and write down bubble
Size and its position；Search gas is passed through into fuel cell pile, and adjusts admission pressure as 3-4bar, observes fuel cell
Whether pile surface has bubble, and writes down size and its position of bubble, to judge that fuel cell pile is existing with the presence or absence of leakage
As and determine leakage position；Admission pressure is adjusted to 100KPaG, keeps pressure stability 1min, closes air inlet later, at one section
Between after, record gas pressure, the air-tightness of fuel cell pile judged according to front and rear pressure differential；After leak detection, by water tank
Water is expelled in sink 14 in 11, takes out fuel cell pile.
The above description of the embodiments is intended to facilitate ordinary skill in the art to understand and use the invention.
Person skilled in the art obviously can easily make these embodiments various modifications, and described herein general
Principle is applied in other embodiment without having to go through creative labor.Therefore, the present invention is not limited to above-described embodiment, abilities
Field technique personnel announcement according to the present invention, improvement and modification made without departing from the scope of the present invention all should be the present invention's
Within protection domain.
Claims (10)
1. a kind of leakage detection apparatus for fuel cell pile, which is characterized in that the device includes the aqueous vapor being sequentially connected supply
Unit, leak detection unit and drainage cell, the aqueous vapor feed unit include the first cabinet (1), are arranged in the first cabinet (1)
Pipe-line system and the control system that is arranged on the first cabinet (1), the leak detection unit include the second cabinet (2) and
It is rotatably arranged on the leakage of water tank mechanism being connected on the second cabinet (2) and with pipe-line system, the drainage cell includes the
Three cabinets (3) and it is arranged on the water drain mechanism of water channel being connected on third cabinet (3) and with leakage of water tank mechanism.
A kind of 2. leakage detection apparatus for fuel cell pile according to claim 1, which is characterized in that described first
Cabinet (1), the second cabinet (2) and third cabinet (3) are fixedly connected sequentially together.
A kind of 3. leakage detection apparatus for fuel cell pile according to claim 2, which is characterized in that described first
The bottom of cabinet (1) and third cabinet (3) is equipped with universal wheel (4).
A kind of 4. leakage detection apparatus for fuel cell pile according to claim 1, which is characterized in that the pipeline
System includes being arranged on feed pipe, air supply pipe and exhaust pipe in the first cabinet (1), on the outer wall of first cabinet (1)
It is connected equipped with the tap (5) being connected with feed pipe, the inlet pipe connection (6) being connected with air supply pipe and with exhaust pipe
Outlet connecting tube (7).
A kind of 5. leakage detection apparatus for fuel cell pile according to claim 4, which is characterized in that the control
System includes the flowmeter (8) for being arranged on the first cabinet (1) and being connected respectively with air supply pipe and pressure gauge (9).
A kind of 6. leakage detection apparatus for fuel cell pile according to claim 1, which is characterized in that the water tank
Leakage detecting device includes the turntable (10) being rotatably arranged on the second cabinet (2) and the water tank (11) being arranged on turntable (10).
A kind of 7. leakage detection apparatus for fuel cell pile according to claim 6, which is characterized in that the water tank
(11) top end opening, bottom are equipped with outlet pipe (12), which is equipped with discharging valve.
A kind of 8. leakage detection apparatus for fuel cell pile according to claim 6, which is characterized in that the water tank
(11) it is transparent water tank, the outer wall of first cabinet (1) is equipped with the headlamp (13) being adapted with water tank (11).
A kind of 9. leakage detection apparatus for fuel cell pile according to claim 1, which is characterized in that the sink
Drainage mechanism includes the sink (14) being arranged on third cabinet (3).
A kind of 10. leakage detection apparatus for fuel cell pile according to claim 9, which is characterized in that the water
The bottom of slot (14) offers water outlet (15), and the water drain mechanism of water channel, which further includes, is arranged in third cabinet (3) simultaneously position
Water storage barrel below water outlet (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711462945.5A CN108168790B (en) | 2017-12-28 | 2017-12-28 | Leakage detection device for fuel cell stack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711462945.5A CN108168790B (en) | 2017-12-28 | 2017-12-28 | Leakage detection device for fuel cell stack |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108168790A true CN108168790A (en) | 2018-06-15 |
| CN108168790B CN108168790B (en) | 2024-06-25 |
Family
ID=62519553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711462945.5A Active CN108168790B (en) | 2017-12-28 | 2017-12-28 | Leakage detection device for fuel cell stack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108168790B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110220654A (en) * | 2019-05-27 | 2019-09-10 | 中汽研汽车检验中心（天津）有限公司 | A kind of fuel cell air tightness test-bed |
| CN111579173A (en) * | 2020-05-21 | 2020-08-25 | 东风汽车集团有限公司 | Automatic detection equipment and detection method for three-cavity pressure maintaining air tightness of fuel cell system |
| CN111982420A (en) * | 2020-08-18 | 2020-11-24 | 氢岛新能源科技(厦门)有限公司 | Fuel cell stack differential pressure type air leakage testing device and testing method |
| CN114441105A (en) * | 2022-01-18 | 2022-05-06 | 潍柴动力股份有限公司 | Fuel cell stack bipolar plate water cavity air tightness detection device and method |
| CN116754142A (en) * | 2023-08-12 | 2023-09-15 | 深圳市惠华欣电池科技有限公司 | Soft package battery packaging detection device |
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| CN106840547A (en) * | 2017-03-30 | 2017-06-13 | 杭州电子科技大学 | A kind of batteries of electric automobile bag air-tightness detection device and detection method |
| CN206540669U (en) * | 2017-03-15 | 2017-10-03 | 宁德时代新能源科技股份有限公司 | Overpressure resistance detecting device |
| CN207703410U (en) * | 2017-12-28 | 2018-08-07 | 上海神力科技有限公司 | A kind of leakage detection apparatus for fuel cell pile |
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| JP2006172953A (en) * | 2004-12-16 | 2006-06-29 | Equos Research Co Ltd | Fuel cell system and trouble detection method of fuel cell system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110220654A (en) * | 2019-05-27 | 2019-09-10 | 中汽研汽车检验中心（天津）有限公司 | A kind of fuel cell air tightness test-bed |
| CN111579173A (en) * | 2020-05-21 | 2020-08-25 | 东风汽车集团有限公司 | Automatic detection equipment and detection method for three-cavity pressure maintaining air tightness of fuel cell system |
| CN111982420A (en) * | 2020-08-18 | 2020-11-24 | 氢岛新能源科技(厦门)有限公司 | Fuel cell stack differential pressure type air leakage testing device and testing method |
| CN114441105A (en) * | 2022-01-18 | 2022-05-06 | 潍柴动力股份有限公司 | Fuel cell stack bipolar plate water cavity air tightness detection device and method |
| CN116754142A (en) * | 2023-08-12 | 2023-09-15 | 深圳市惠华欣电池科技有限公司 | Soft package battery packaging detection device |
| CN116754142B (en) * | 2023-08-12 | 2023-11-03 | 深圳市惠华欣电池科技有限公司 | Soft package battery packaging detection device |
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|---|---|
| CN108168790B (en) | 2024-06-25 |
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