CN207908124U - A kind of device of detection fuel cell parts leakage - Google Patents
A kind of device of detection fuel cell parts leakage Download PDFInfo
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- CN207908124U CN207908124U CN201820236243.9U CN201820236243U CN207908124U CN 207908124 U CN207908124 U CN 207908124U CN 201820236243 U CN201820236243 U CN 201820236243U CN 207908124 U CN207908124 U CN 207908124U
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Abstract
The utility model is related to a kind of devices of detection fuel cell parts leakage, including：Mounting assembly：Including upper padding plate and lower bolster, three detection air inlets, the coolant cavity air inlet respectively docked with the coolant cavity of fuel cell to be detected, hydrogen chamber and air chamber seal, hydrogen chamber air inlet and air chamber air inlet are additionally provided on upper padding plate or lower bolster；Detection components：It is responsible for including detection, it is responsible for from detection and draws four branch pipes, exhaust-valve is set on branch pipe I and as emptying pipeline, branch pipe II, branch pipe III and branch pipe IV are separately connected the coolant cavity air inlet, hydrogen chamber air inlet and air chamber air inlet, and a two-port valve and a high-precision pressure gauge are respectively equipped in detection supervisor, branch pipe II, branch pipe III and branch pipe IV.Compared with prior art, the utility model is simple and reasonable, easily operated observation, is effectively improved working efficiency, can quickly and accurately detect the leakage situation of fuel cell parts.
Description
Technical field
The utility model is related to fuel cell pack detection devices, are leaked more particularly, to a kind of detection fuel cell parts
Device.
Background technology
Fuel cell (Fuel Cell) is a kind of by fuel (such as hydrogen, methanol, ethyl alcohol) and oxidant (such as oxygen, sky
Gas etc.) react the device that the chemical energy generated is converted into electric energy.And in each types of fuel cells, pem fuel electricity
Pond (PEMFC) have many advantages, such as energy conversion efficiency is high, environmental-friendly, reliability is high, can cold operation, therefore PEMFC is recognized
To be clean, the efficient generation technology of 21 century first choice.
PEMFC is made of proton exchange membrane, Catalytic Layer, gas diffusion layers and four part of bipolar plates, in order to ensure in PEMFC
Hydrogen and air can be distributed on the surface of entire membrane electrode both sides and not generate mixing, sealing technique just seems very heavy
It wants, if bad hydrogen and the oxygen of may will produce of sealing is the case where PEMFC internal mutuals are leaked and mixed, it is possible to can cause quick-fried
It is fried；Another situation is hydrogen and the leakage of oxygen external environment, can not only reduce the power generation performance of PEMFC, and when leakage
Gas can also cause explosion in the case of reaching a certain concentration, therefore the sealing technique of fuel cell should cause enough weights
Depending on.
In fuel cell pile installation process, it is made of tens of even hundreds of fuel-cell single-cells, once hair
Raw leakage, fuel cell pile is dismantled, is detected piecewise, degree-of-difficulty factor is big and process is cumbersome time-consuming, greatly reduces work
Make efficiency.Therefore extremely important to the detection of parts leakage situation before fuel cell fills heap.
To solve the above-mentioned problems, Chinese utility model patent 201410099289.7 discloses a kind of fuel cell and piles up
Line air-tightness detection device and method, described device include pressure gauge, air-tightness facility test box and the test of gas leakage rate
Meter coordinates the air-leakage test that air-tightness facilitates test box completion to fuel cell pack by the control valve on control piper.It crosses
Journey is cumbersome, complicated and lack detection to fuel cell parts leakage situation.
Utility model content
The purpose of this utility model is exactly to provide a kind of detection fuel to overcome the problems of the above-mentioned prior art
The device of battery component leakage.
The purpose of this utility model can be achieved through the following technical solutions：
A kind of device of detection fuel cell parts leakage, including：
Mounting assembly：Including upper padding plate and lower bolster, the upper padding plate and lower bolster cooperate and formed with it is to be detected
The matched cavity of fuel cell is additionally provided with three detection air inlets on upper padding plate or lower bolster, respectively with fuel to be detected
Coolant cavity air inlet, hydrogen chamber air inlet and the air chamber of the coolant cavity of battery, hydrogen chamber and air chamber seal docking into
Gas port；
Detection components：The detection master being connect including compressed air supply unit and with compressed air supply unit gas outlet
Pipe is responsible for from detection and draws four branch pipes, respectively branch pipe I, branch pipe II, branch pipe III and branch pipe IV, wherein is arranged on branch pipe I
Exhaust-valve and as emptying pipeline, branch pipe II, branch pipe III and branch pipe IV be separately connected the coolant cavity air inlet, hydrogen chamber into
Gas port and air chamber air inlet are respectively equipped with a two-port valve and a height in detection supervisor, branch pipe II, branch pipe III and branch pipe IV
Precision pressure table.
Preferably, the device further includes the fixed frame for the mounting assembly and detection components to be arranged, this is fixed
Frame includes bottom plate and multiple parallel guide posts vertically for being arranged on bottom plate, and the guide post is equipped with and can move up and down along it
Movable plate, and the top plate positioned at guide post top is equipped with the lower bolster, the top on the upper surface of the movable plate
The upper padding plate is arranged in the lower surface of plate, and the detection components are mounted on the top plate.
It is furthermore preferred that being additionally provided with intermediate plate below movable plate on the guide post, between movable plate and intermediate plate also
Cylinder is installed, the piston rod of the cylinder also extends through intermediate plate and resists the connection movable plate, to drive movable plate along guide post
It moves up and down.
It is furthermore preferred that being also equipped with idler wheel below the bottom plate.
Preferably, the measurement accuracy of the high-precision pressure gauge reaches 0.005MPa.
Preferably, the surface smoothness of the upper padding plate and lower bolster is ± 0.02mm.
The utility model using upper padding plate and lower bolster cooperatively form with the matched cavity of fuel cell to be detected, work as needs
When detection, i.e., fuel cell is placed in cavity, then, by detection components unification or fuel cell parts is let out respectively
Dew situation is precisely detected, you can measures such as leak case of coolant cavity, air chamber or hydrogen chamber.
Compared with prior art, the utility model has the following advantages：
(1) deficiency of the prior art on detection fuel cell parts leakage device has been filled up；
(2) device is easy to operate, need not fuel cell pack be assembled into type, can accurately find out fuel cell pack assembling
The preceding parts that there is leakage.
(3) installation cost is relatively low, and installation cost is relatively low, moves, detection efficiency height is advantageously implemented industrialization.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram at another visual angle of the utility model；
Fig. 3 is the structural schematic diagram of the detection components of the utility model；
In figure, 1- pressure reducing valves, 2- two-way valves I, 3- high-precision pressure gauges I, 4- two-way valves II, 5- high-precision pressure gauges
II, 6- two-way valve III, 7- high-precision pressure gauges III, 8- two-way valves IV, 9- high-precision pressure gauges IV, 10- exhaust-valves, 11-
Bottom plate, 12- intermediate plates, 13- top plates, 14- movable plates, 15- cylinders, 16- lower bolsters, 17- upper padding plates, 18- cylinder manual switches,
19- cylinder pressure regulator valves, 20- fuel cells to be detected, 21- idler wheels, 22- guide posts, 23- coolant cavity air inlets, 24- hydrogen chamber into
Gas port, 25- air chamber air inlets.
Specific implementation mode
The utility model is described in detail in the following with reference to the drawings and specific embodiments.
Embodiment 1
A kind of device of detection fuel cell parts leakage, structure is shown referring to Fig. 1 and Fig. 2, including：
Mounting assembly：Including upper padding plate 17 and lower bolster 16, upper padding plate 17 and lower bolster 16 cooperate and are formed and waited for
Detect 20 matched cavity of fuel cell, three detection air inlets are additionally provided on upper padding plate 17 or lower bolster 16, respectively with
The coolant cavity of fuel cell 20 to be detected, the coolant cavity air inlet 23 of hydrogen chamber and air chamber seal docking, hydrogen chamber into
Gas port 24 and air chamber air inlet 25.
Detection components：It is shown in Figure 3, including compressed air supply unit and with compressed air supply unit gas outlet
The detection of connection is responsible for, and is responsible for from detection and is drawn four branch pipes, respectively branch pipe I, branch pipe II, branch pipe III and branch pipe IV, branch pipe I
Upper setting exhaust-valve 10 and as emptying pipeline, branch pipe II, branch pipe III and branch pipe IV are separately connected coolant cavity air inlet 23, hydrogen
Air cavity air inlet 24 and air chamber air inlet 25 are respectively equipped with a two-way in detection supervisor, branch pipe II, branch pipe III and branch pipe IV
Valve and a high-precision pressure gauge, are provided with pressure reducing valve 1, two-way valve I 2 and high-precision pressure gauge I 3, in branch pipe on supervisor
Two-way valve II 4 and high-precision pressure gauge II 5 are set on II, two-way valve III 6 and high-precision pressure gauge are set on branch pipe III
III 7, two-way valve IV 8 and high-precision pressure gauge IV 9 are set on branch pipe IV.
Device further includes the fixed frame for mounting assembly and detection components to be arranged, shown referring to Fig. 1 and Fig. 2, fixed frame
Including bottom plate 11 and multiple parallel guide posts 22 vertically for being arranged on bottom plate 11, guide post 22 is equipped with and can be moved down along thereon
Dynamic movable plate 14, and the top plate 13 positioned at 22 top of guide post are equipped with lower bolster 16, top plate on the upper surface of movable plate 14
Upper padding plate 17 is arranged in 13 lower surface, and detection components are mounted on top plate 13.In being additionally provided with below movable plate 14 on guide post 22
Between plate 12, be also equipped with cylinder 15 between movable plate 14 and intermediate plate 12, cylinder 15 passes through the external gas supply of supply air line connection
Equipment (such as air compressor machine), the cylinder manual switch 18 and cylinder that the lifting of setting control cylinder 15 is formed on supply air line
Pressure regulator valve 19.The piston rod of cylinder 15 also extends through intermediate plate 12 and resists connection movable plate 14, to drive movable plate 14 along guide post
22 move up and down.11 lower section of bottom plate is also equipped with idler wheel 21 so that whole device can as needed be moved to adjust position.
High-precision pressure gauge in the present embodiment selects common pressure gauge, measurement accuracy that can reach as needed
0.005MPa。
In addition, in order to ensure the leakproofness etc. of cavity that upper padding plate 17 and lower bolster 16 cooperatively form, upper padding plate 17 and under
The surface smoothness of backing plate 16 is preferably controlled in ± 0.02mm or so.
Above-described embodiment can specifically distinguish following several feelings in specifically detection fuel cell parts leakage phenomenon
Condition：
(1) detection fuel cell parts leakage step：
(1) pressure of cylinder pressure regulator valve 19 is adjusted to 0.4MPa.
(2) coolant cavity of fuel cell 20 to be detected is fitted closely to the localization region for being put into lower bolster 16.
(3) 18 supreme upshift position of rotary cylinder manual switch makes cylinder 15 that movable plate 14 be driven to move up, until to be checked
Fuel cell 20 is surveyed to fit closely with upper padding plate 17.
(4) two-way valve I 2, two-way valve II 4, two-way valve III 6 and two-way valve IV 8 are opened, exhaust-valve 10 is closed,
Numerical value needed for pressure reducing valve 1 to high-precision pressure gauge II 5, high-precision pressure gauge III 7, high-precision pressure gauge IV 9 is adjusted, two-way is closed
Ball valve I 2, two-way valve II 4, two-way valve III 6 and two-way valve IV 8, opening exhaust-valve 10, observation high-precision pressure gauge II 5,
Whether numerical value changes and records data at the appointed time for high-precision pressure gauge III 7, high-precision pressure gauge IV 9, if high-precision
Pressure gauge numerical value declines, then it represents that the pressure gauge institute test chamber has leakage situation.
(5) two-way valve I 2 is closed, two-way valve II 4, two-way valve III 6, two-way valve IV 8 and exhaust-valve 10 are opened,
Exhaust-valve 10 is closed after the completion of exhaust.
(2) detection fuel cell parts coolant cavity leaks step：
(1) device air inlet is connected with air compressor machine, and the pressure of cylinder pressure regulator valve 19 is adjusted to 0.4MPa.
(2) coolant cavity of fuel cell 20 to be detected is fitted closely to the localization region for being put into lower bolster 16.
(3) 18 supreme upshift position of rotary cylinder manual switch makes cylinder 15 that movable plate 14 be driven to move up, until to be checked
Fuel cell 20 is surveyed to fit closely with upper padding plate 17.
(4) two-way valve I 2 and two-way valve II 4 are opened, two-way valve III 6, two-way valve IV 8 and exhaust-valve 10 are closed,
Numerical value needed for pressure reducing valve 1 to high-precision pressure gauge II 5 is adjusted, two-way valve I 2, two-way valve II 4 are closed, opens exhaust-valve 10,
Whether numerical value changes and records data observation high-precision pressure gauge II 5 at the appointed time.
(5) two-way valve I 2 is closed, two-way valve II 4, two-way valve III 6, two-way valve IV 8 and exhaust-valve 10 are opened,
Exhaust-valve 10 is closed after the completion of exhaust.
(3) detection fuel-cell single-cell hydrogen chamber leaks step：
(1) device air inlet is connected with air compressor machine, and the pressure of cylinder pressure regulator valve 19 is adjusted to 0.4MPa.
(2) coolant cavity of fuel cell 20 to be detected is fitted closely to the localization region for being put into lower bolster 16.
(3) 18 supreme upshift position of rotary cylinder manual switch, makes movable plate 14 move up, until fuel cell to be detected
20 fit closely with upper padding plate 17.
(4) two-way valve I 2 and two-way valve III 6 are opened, two-way valve II 4, two-way valve IV 8 and exhaust-valve 10 are closed,
Numerical value needed for pressure reducing valve 1 to high-precision pressure gauge III 7 is adjusted, two-way valve I 2, two-way valve III 6 are closed, opens exhaust-valve 10,
Whether numerical value changes and records data observation high-precision pressure gauge III 7 at the appointed time.
(5) two-way valve I 2 is closed, two-way valve II 4, two-way valve III 6, two-way valve IV 8 and exhaust-valve 10 are opened,
Exhaust-valve 10 is closed after the completion of exhaust.
(4) detection fuel-cell single-cell air chamber leaks step：
(1) device air inlet is connected with air compressor machine, and the pressure of cylinder pressure regulator valve 19 is adjusted to 0.4MPa.
(2) coolant cavity of fuel cell 20 to be detected is fitted closely to the localization region for being put into lower bolster 16.
(3) 18 supreme upshift position of rotary cylinder manual switch, makes movable plate 14 move up, until fuel cell to be detected
20 fit closely with upper padding plate 17.
(4) two-way valve I 2 and two-way valve IV 8 are opened, two-way valve II 4, two-way valve III 6 and exhaust-valve 10 are closed,
Numerical value needed for pressure reducing valve 1 to high-precision pressure gauge IV 9 is adjusted, two-way valve I 2, two-way valve IV 8 are closed, opens exhaust-valve 10,
Whether numerical value changes and records data observation high-precision pressure gauge IV 9 at the appointed time.
(5) two-way valve I 2 is closed, two-way valve II 4, two-way valve III 6, two-way valve IV 8 and exhaust-valve 10 are opened,
Exhaust-valve 10 is closed after the completion of exhaust.
Practicality can be understood and used the above description of the embodiments is intended to facilitate those skilled in the art
It is novel.Person skilled in the art obviously easily can make various modifications to these embodiments, and illustrating herein
General Principle be applied in other embodiment without having to go through creative labor.Therefore, the utility model is not limited to above-mentioned
Embodiment, those skilled in the art's announcement according to the present utility model, do not depart from improvement that the utility model scope is made and
Modification should be all within the protection scope of the utility model.
Claims (6)
1. a kind of device of detection fuel cell parts leakage, which is characterized in that including：
Mounting assembly：Including upper padding plate and lower bolster, the upper padding plate and lower bolster cooperate and are formed and fuel to be detected
The matched cavity of battery is additionally provided with three detection air inlets on upper padding plate or lower bolster, respectively with fuel cell to be detected
Coolant cavity, hydrogen chamber and air chamber seal docking coolant cavity air inlet, hydrogen chamber air inlet and air chamber air inlet；
Detection components：The detection supervisor being connect including compressed air supply unit and with compressed air supply unit gas outlet,
It is responsible for from detection and draws four branch pipes, respectively branch pipe I, branch pipe II, branch pipe III and branch pipe IV, wherein emptying is set on branch pipe I
Valve and as emptying pipeline, branch pipe II, branch pipe III and branch pipe IV are separately connected the coolant cavity air inlet, hydrogen chamber air inlet
With air chamber air inlet, a two-port valve and a high-precision are respectively equipped in detection supervisor, branch pipe II, branch pipe III and branch pipe IV
Pressure gauge.
2. a kind of device of detection fuel cell parts leakage according to claim 1, which is characterized in that the dress
It further includes fixed frame for the mounting assembly and detection components to be arranged to set, which includes bottom plate and be arranged on bottom plate
Multiple parallel guide posts vertically, the guide post is equipped with the movable plate that can move up and down along it, and is located at guide post top
The top plate at end, the lower bolster is equipped on the upper surface of the movable plate, and the upper pad is arranged in the lower surface of the top plate
Plate, the detection components are mounted on the top plate.
3. a kind of device of detection fuel cell parts leakage according to claim 2, which is characterized in that described leads
Intermediate plate is additionally provided on column below movable plate, cylinder, the piston rod of the cylinder are also equipped between movable plate and intermediate plate
It also extends through intermediate plate and resists the connection movable plate, to drive movable plate to be moved up and down along guide post.
4. a kind of device of detection fuel cell parts leakage according to claim 2, which is characterized in that the bottom
It is also equipped with idler wheel below plate.
5. a kind of device of detection fuel cell parts leakage according to claim 1, which is characterized in that the height
The measurement accuracy of precision pressure table reaches 0.005MPa.
6. a kind of device of detection fuel cell parts leakage according to claim 1, which is characterized in that described is upper
The surface smoothness of backing plate and lower bolster is ± 0.02mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820236243.9U CN207908124U (en) | 2018-02-09 | 2018-02-09 | A kind of device of detection fuel cell parts leakage |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820236243.9U CN207908124U (en) | 2018-02-09 | 2018-02-09 | A kind of device of detection fuel cell parts leakage |
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| CN207908124U true CN207908124U (en) | 2018-09-25 |
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| CN201820236243.9U Active CN207908124U (en) | 2018-02-09 | 2018-02-09 | A kind of device of detection fuel cell parts leakage |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109612637A (en) * | 2019-01-10 | 2019-04-12 | 安徽明天氢能科技股份有限公司 | A kind of fuel cell pile air tightness detection equipment and its working method |
-
2018
- 2018-02-09 CN CN201820236243.9U patent/CN207908124U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109612637A (en) * | 2019-01-10 | 2019-04-12 | 安徽明天氢能科技股份有限公司 | A kind of fuel cell pile air tightness detection equipment and its working method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181120 Address after: 453000 No. 416 Muye Avenue, Xinxiang City, Henan Province (3rd-4th floor of Xinxiang Battery Research Institute, southeast corner of the intersection of Hualan Avenue and Muye Avenue) Patentee after: Henan Henan Henan Hydrogen Power Co., Ltd. Address before: 201799 Room 18, 2-storey D District, No. 1588 Fengxing Road, Huaxin Town, Qingpu District, Shanghai Patentee before: Shanghai bright energy technology Co., Ltd. |
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| TR01 | Transfer of patent right |