CN215217967U - Leakage detection device applied to metal bipolar plate of fuel cell - Google Patents
Leakage detection device applied to metal bipolar plate of fuel cell Download PDFInfo
- Publication number
- CN215217967U CN215217967U CN202120606811.1U CN202120606811U CN215217967U CN 215217967 U CN215217967 U CN 215217967U CN 202120606811 U CN202120606811 U CN 202120606811U CN 215217967 U CN215217967 U CN 215217967U
- Authority
- CN
- China
- Prior art keywords
- plate
- oil cylinder
- supporting base
- support
- fixedly arranged
- 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.)
- Active
Links
Images
Landscapes
- Examining Or Testing Airtightness (AREA)
Abstract
The utility model relates to a leak detection device applied to a fuel cell metal bipolar plate, which comprises a sealing mechanism, a supporting base and an electric cabinet, the bottom of the supporting base is provided with a plurality of self-locking wheels, the electric cabinet is arranged on the top of the front side of the supporting base, the sealing mechanism is arranged on the top of the supporting base and comprises a base plate fixedly arranged on the top of the supporting base, a bracket fixedly arranged on the edge of the top of the base plate, an oil cylinder mounting bracket fixedly arranged on the top of the bracket and a hydraulic oil cylinder fixedly arranged on the top of the oil cylinder mounting bracket, pressing plates capable of sliding up and down are arranged on two sides of the bracket, the pressing plate is connected with the piston rod of the hydraulic oil cylinder, one side of the supporting base is fixedly provided with a manual hydraulic pump for driving the hydraulic oil cylinder to work, the manual hydraulic pump is connected with the hydraulic oil cylinder through an oil pipe, and a self-locking mechanism is arranged between the pressing plate and the support. The utility model discloses make the mould sealed effectual, convenient to use.
Description
Technical Field
The utility model relates to a battery field of leaking hunting especially relates to a be applied to fuel cell metal bipolar plate's device that leaks hunting.
Background
Metal bipolar plates are one of the important components for the fabrication of hydrogen fuel cells. A single metal plate is generally formed by laser welding two ultra-thin metal sheets with a corrugated shape. The welded metal sheets will form 3 sealed cavities of different sizes. The sealing performance of the three cavities is an important index for determining the welding quality of the fuel cell bipolar plate. And is also one of the important criteria for determining the overall battery. For the tightness test, it is mainly realized by a leak detection device. And the equipment of leaking hunting on the existing market, the sealed effect of mould is general, and when aerifing in the mould, the mould takes place small not hard up and just takes place the leakage problem easily, and generally uses dedicated appearance of leaking hunting to advance to leak hunting, and the cost is higher.
Disclosure of Invention
The utility model aims to solve the defects of the prior art and provides a leakage detection device applied to a metal bipolar plate of a fuel cell.
The utility model discloses a realize above-mentioned purpose, adopt following technical scheme: a leak detection device applied to a fuel cell metal bipolar plate comprises a sealing mechanism, a supporting base and an electric cabinet, wherein a plurality of self-locking wheels are arranged at the bottom of the supporting base, the electric cabinet is arranged at the top of the front side of the supporting base, the sealing mechanism is arranged at the top of the supporting base,
the sealing mechanism comprises a base plate fixedly arranged at the top of the supporting base, a support fixedly arranged at the edge of the top of the base plate, an oil cylinder mounting support fixedly arranged at the top of the support, and a hydraulic oil cylinder fixedly arranged at the top of the oil cylinder mounting support, wherein press plates capable of sliding up and down are arranged on two sides of the support and are connected with a piston rod of the hydraulic oil cylinder, a manual hydraulic pump for driving the hydraulic oil cylinder to work is fixedly arranged on one side of the supporting base and is connected with the hydraulic oil cylinder through an oil pipe, a self-locking mechanism is arranged between the press plates and the support,
the detachable mould is installed at the top of the base plate, the mould comprises a lower template and an upper template, the lower template is fixedly connected on the base plate through bolts, the bottom of the pressure plate is fixedly connected with a pressure sensor, the bottom of the pressure sensor is fixedly provided with an upper mounting flange, the upper mounting flange and the upper template are connected through bolts, a bipolar plate to be detected is placed in the mould, the upper template and the lower template are sealed when closed, a cavity corresponding to three sealed cavities in the bipolar plate is arranged in the lower template, the two sides of the lower template are provided with an air inlet nozzle and an air outlet nozzle corresponding to the cavity, an inflating device is installed in the supporting base, an air inlet pipe on the inflating device is respectively connected with the corresponding air inlet nozzle, a flow meter and an electromagnetic valve are installed on the air inlet pipe, and an air outlet valve is installed on the air outlet nozzle,
the electric cabinet is internally provided with a controller and a power module, the top of the electric cabinet is embedded with a display screen and an alarm, the pressure sensor is connected with the flowmeter, the display screen is connected with the alarm, the electromagnetic valve is connected with the inflating equipment, and the controller is connected with the pressure sensor, the flowmeter, the display screen, the alarm, the cylinder, the electromagnetic valve and the inflating equipment are connected with the power module.
Particularly, vertical guide rails I are arranged on two sides of the support, a sliding block I is arranged on the guide rails I in a sliding mode, a fixing plate is fixedly arranged on the sliding block I, and the fixing plate is fixedly arranged on the pressing plate.
Particularly, a hydraulic connecting plate is fixedly arranged at the center of the top of the pressing plate, and a piston rod of the hydraulic oil cylinder penetrates into the support and is fixedly connected with the hydraulic connecting plate.
Particularly, the self-locking mechanism comprises wedges fixedly arranged on two sides of the support and bottom surface wedges arranged on the pressing plate in a sliding mode and corresponding to the wedges, the wedges on the two sides of the support are arranged in a staggered mode, and cylinders for driving the bottom surface wedges to move are arranged on the pressing plate.
Particularly, the top of the pressing plate is fixedly provided with a second guide rail corresponding to the bottom surface wedge, a second sliding block arranged on the second guide rail in a sliding manner, and a cylinder connecting piece fixedly connected to the pressing plate, the cylinder is fixedly connected to the cylinder connecting piece, and a piston rod of the cylinder is fixedly connected to the bottom surface wedge.
In particular, sealing plates are fixedly arranged on the upper half parts of two sides, the rear side and the front side of the bracket.
The utility model has the advantages that: the utility model is provided with the pressure sensor, the self-locking mechanism, the flowmeter, the controller, the display screen and the alarm, so that the self-locking is convenient when the mould is sealed, and the problem of leakage of the mould in the test process of the bipolar plate can be prevented; the pressure value applied to the bipolar plate under the sealing state of the die can be measured, and whether the sealing cavity in the bipolar plate leaks under different pressure values can be measured, so that a comparison experiment can be conveniently carried out; and the flowmeter is adopted to replace a leak detector, the sealing mechanism and the leak detector are integrated, the integration level is high, the space occupied by the equipment is reduced, the economic cost and the maintenance cost are greatly saved, and the use is convenient.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the connection between the electric cabinet and the supporting base of the present invention;
fig. 3 is a schematic diagram of the mold position of the present invention;
fig. 4 is a schematic structural view of the sealing mechanism of the present invention;
fig. 5 is a schematic diagram of the position of the wedge of the present invention;
in the figure: 1-a sealing mechanism; 2-an alarm; 3-a display screen; 4, an electric cabinet; 5-supporting the base; 6-self-locking wheel; 7-a manual hydraulic pump; 8-lower template; 9-upper template; 10-mounting a flange on an upper die; 11-a pressure sensor; 12-a hydraulic oil cylinder; 13-oil cylinder mounting bracket; 14-guide rail one; 15-a scaffold; 16-a wedge; 17-a bottom wedge; 18-a second sliding block; 19-guide rail two; 20-a substrate; 21-hydraulic connecting plates; 22-a cylinder; 23-a cylinder connection; 24-a fixing plate; 25-a first slide block; 26-a press plate;
the following detailed description will be made in conjunction with embodiments of the present invention with reference to the accompanying drawings.
Detailed Description
The invention will be further explained with reference to the following figures and examples:
as shown in fig. 1-5, a leak detection device applied to a fuel cell metal bipolar plate comprises a sealing mechanism 1, a supporting base 5 and an electric cabinet 4, wherein a plurality of self-locking wheels 6 are arranged at the bottom of the supporting base 5, the electric cabinet 4 is arranged at the top of the front side of the supporting base 5, the sealing mechanism 1 is arranged at the top of the supporting base 5,
the sealing mechanism 1 comprises a base plate 20 fixedly arranged at the top of a supporting base 5, a support 15 fixedly arranged at the edge of the top of the base plate 20, a cylinder mounting support 13 fixedly arranged at the top of the support 15, a hydraulic cylinder 12 fixedly arranged at the top of the cylinder mounting support 13, press plates 26 capable of sliding up and down are arranged at two sides of the support 15, vertical guide rails 14 are arranged at two sides of the support 15, a slide block 25 is arranged on the guide rails 14 in a sliding mode, a fixing plate 24 is fixedly arranged on the slide block 25, the fixing plate 24 is fixedly arranged on the press plates 26, the press plates 26 are connected with piston rods of the hydraulic cylinder 12, a hydraulic connecting plate 21 is fixedly arranged at the center of the top of the press plates 26, the piston rods of the hydraulic cylinder 12 penetrate into the support 15 and are fixedly connected with the hydraulic connecting plate 21, a manual hydraulic pump 7 for driving the hydraulic cylinder 12 to work is fixedly arranged at one side of the supporting base 5, the manual hydraulic pump 7 is connected with the hydraulic cylinder 12 through an oil pipe, and a self-locking mechanism is arranged between the press plates 26 and the support 15,
the self-locking mechanism comprises wedges 16 fixedly arranged on two sides of a support 15 and bottom surface wedges 17 arranged on a pressure plate 26 in a sliding mode and corresponding to the wedges 16, the wedges 16 on the two sides of the support 15 are arranged in a staggered mode, an air cylinder 22 for driving the bottom surface wedges 17 to move is arranged on the pressure plate 26, a guide rail II 19 corresponding to the bottom surface wedges 17 is fixedly arranged at the top of the pressure plate 26, a sliding block II 18 arranged on the guide rail II 19 in a sliding mode, an air cylinder connecting piece 23 fixedly connected to the pressure plate 26, an air cylinder 22 fixedly connected to the air cylinder connecting piece 23, a piston rod of the air cylinder 22 is fixedly connected with the bottom surface wedges 17, sealing plates are fixedly arranged on the two sides of the support 15, the rear side and the upper half part of the front side,
the top of the base plate 20 is provided with a detachable die, the die comprises a lower die plate 8 and an upper die plate 9, the lower die plate 8 is fixedly connected on the base plate 20 through bolts, the bottom of a pressure plate 26 is fixedly connected with a pressure sensor 11, the bottom of the pressure sensor 11 is fixedly provided with an upper die mounting flange 10, the upper die mounting flange 10 is connected with the upper die plate 9 through bolts, a bipolar plate to be detected is placed in the die, the upper die plate 9 and the lower die plate 8 are sealed when being closed, a cavity corresponding to three sealed cavities in the bipolar plate is arranged in the lower die plate 8, two sides of the lower die plate 8 are provided with an air inlet nozzle and an air outlet nozzle corresponding to the cavity, the supporting base 5 is internally provided with an inflating device, the inflating device can adopt an air pump, an air inlet pipe on the inflating device is respectively connected with the corresponding air inlet nozzle, the air inlet pipe is provided with a flow meter and an electromagnetic valve, the air outlet nozzle is provided with an air release valve,
the electric cabinet 4 is internally provided with a controller and a power module, the controller adopts a PLC (programmable logic controller), the type of the controller can adopt Siemens S7-200, the top of the electric cabinet 4 is embedded with a display screen 3 and an alarm 2, a pressure sensor 11, a flowmeter, the display screen 3, the alarm 2, an electromagnetic valve and an inflating device are respectively connected with the controller, and the controller, the pressure sensor 11, the flowmeter, the display screen 3, the alarm 2, a cylinder 22, the electromagnetic valve and the inflating device are all connected with the power module.
When the utility model works, the mould is in an open state, after the metal bipolar plate is put into the mould, the manual hydraulic pump 7 is pressed, the pressing plate 26 moves downwards until the upper template 9 presses the lower template 8 tightly to seal the lower template, the pressing plate 29 moves downwards to a certain degree, the air cylinder 22 moves the bottom surface wedge 17 to the bottom of the wedge 16 to form self-locking, the air inlet pipe of the PLC control inflation equipment inflates air to the cavity in the lower template 8 to detect leakage of the sealed cavity in the bipolar plate, the inflation is stopped after a certain pressure value is reached, at the moment, if the reading of the flowmeter exceeds a system set value after a period of time, the alarm 2 gives an alarm, the PLC switches the air circuit, the leakage detection can be carried out on another sealed cavity in the bipolar plate, after the leakage detection is finished, the air release valve is opened to release air, during the detection, the leakage detection can be carried out on the bipolar plate under different pressures, and the pressure sensor 11 is convenient for measuring the pressure value, so as to obtain different groups of data for comparison, after the test is finished, the mold is opened, the metal bipolar plate is taken out, and when the bipolar plates with different sizes are measured, the mold is replaced, so that the use is convenient.
The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and various improvements made by the method concept and technical solution of the present invention or directly applied to other occasions without improvement are all within the protection scope of the present invention.
Claims (5)
1. A leak detection device applied to a fuel cell metal bipolar plate comprises a sealing mechanism (1), a supporting base (5) and an electric cabinet (4), and is characterized in that a plurality of self-locking wheels (6) are arranged at the bottom of the supporting base (5), the electric cabinet (4) is arranged at the top of the front side of the supporting base (5), the sealing mechanism (1) is arranged at the top of the supporting base (5),
the sealing mechanism (1) comprises a base plate (20) fixedly arranged at the top of the supporting base (5), a support (15) fixedly arranged at the edge of the top of the base plate (20), an oil cylinder mounting support (13) fixedly arranged at the top of the support (15), and a hydraulic oil cylinder (12) fixedly arranged at the top of the oil cylinder mounting support (13), wherein press plates (26) capable of sliding up and down are arranged on two sides of the support (15), the press plates (26) are connected with piston rods of the hydraulic oil cylinder (12), a manual hydraulic pump (7) for driving the hydraulic oil cylinder (12) to work is fixedly arranged on one side of the supporting base (5), the manual hydraulic pump (7) is connected with the hydraulic oil cylinder (12) through an oil pipe, and a self-locking mechanism is arranged between the press plates (26) and the support (15),
the self-locking mechanism comprises wedges (16) fixedly arranged on two sides of the support (15) and bottom surface wedges (17) which are arranged on the pressure plate (26) in a sliding mode and correspond to the wedges (16), the wedges (16) on the two sides of the support (15) are arranged in a staggered mode, an air cylinder (22) for driving the bottom surface wedges (17) to move is arranged on the pressure plate (26),
the utility model discloses a bipolar plate, including base plate (20), clamp plate (26), pressure sensor (11), base plate (20) top is ann has detachable mould, the mould includes lower bolster (8) and cope match-plate pattern (9), lower bolster (8) are in through the bolt rigid coupling on base plate (20), clamp plate (26) bottom rigid coupling has pressure sensor (11), pressure sensor (11) bottom has set firmly last mould mounting flange (10), just go up mould mounting flange (10) and cope match-plate pattern (9) and pass through bolted connection, wait to detect the bipolar plate and place in the mould, just cope match-plate pattern (9) with it is sealed when lower bolster (8) are closed, be equipped with the cavity that corresponds with three seal chamber in the bipolar plate in lower bolster (8), lower bolster (8) both sides are equipped with the suction nozzle and the mouth that lose heart of corresponding with the cavity, it has gas charging apparatus to support in base (5), and the intake pipe on the gas charging apparatus is connected with the suction nozzle that corresponds respectively, the air inlet pipe is provided with a flow meter and an electromagnetic valve, the air release nozzle is provided with an air release valve,
the improved pneumatic control system is characterized in that a controller and a power module are arranged in the electric cabinet (4), a display screen (3) and an alarm (2) are embedded in the top of the electric cabinet (4), the pressure sensor (11) is connected with the flowmeter, the display screen (3) is connected with the alarm (2) and the electromagnetic valve is connected with the pneumatic equipment respectively, and the controller is connected with the pressure sensor (11) and the flowmeter, the display screen (3) is connected with the alarm (2), the cylinder (22) and the electromagnetic valve are connected with the power module.
2. The leak detection device applied to the metal bipolar plate of the fuel cell as claimed in claim 1, wherein the bracket (15) is provided with a first vertical guide rail (14) on two sides, the first guide rail (14) is slidably provided with a first sliding block (25), the first sliding block (25) is fixedly provided with a fixing plate (24), and the fixing plate (24) is fixedly provided on the pressing plate (26).
3. The leak detection device applied to the metal bipolar plate of the fuel cell as claimed in claim 2, wherein a hydraulic connection plate (21) is fixedly arranged at the center of the top of the pressing plate (26), and a piston rod of the hydraulic oil cylinder (12) penetrates into the bracket (15) and is fixedly connected with the hydraulic connection plate (21).
4. The leak detection device applied to the metal bipolar plate of the fuel cell as claimed in claim 3, wherein a second guide rail (19) corresponding to the bottom wedge (17), a second slider (18) slidably disposed on the second guide rail (19), and a cylinder connector (23) fixedly connected to the pressure plate (26) are fixedly disposed on the top of the pressure plate (26), the cylinder (22) is fixedly connected to the cylinder connector (23), and a piston rod of the cylinder (22) is fixedly connected to the bottom wedge (17).
5. The device for detecting leakage of metal bipolar plate for fuel cell of claim 4, wherein sealing plates are fixed on two sides, rear side and upper half of front side of the bracket (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120606811.1U CN215217967U (en) | 2021-03-25 | 2021-03-25 | Leakage detection device applied to metal bipolar plate of fuel cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120606811.1U CN215217967U (en) | 2021-03-25 | 2021-03-25 | Leakage detection device applied to metal bipolar plate of fuel cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215217967U true CN215217967U (en) | 2021-12-17 |
Family
ID=79444190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120606811.1U Active CN215217967U (en) | 2021-03-25 | 2021-03-25 | Leakage detection device applied to metal bipolar plate of fuel cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215217967U (en) |
-
2021
- 2021-03-25 CN CN202120606811.1U patent/CN215217967U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103033354A (en) | Butterfly valve hydrostatic testing machine | |
| CN215217967U (en) | Leakage detection device applied to metal bipolar plate of fuel cell | |
| CN210426894U (en) | New forms of energy car battery box gas tightness detection device | |
| CN213456007U (en) | Check valve air tightness detection device and system | |
| CN217605229U (en) | New energy automobile battery package airtight detection station | |
| CN215811489U (en) | Battery case casing gas tightness test platform | |
| CN217111379U (en) | Device for testing air tightness of communication product complete machine | |
| CN203011630U (en) | Airtightness detector | |
| CN214472608U (en) | Full-automatic impervious appearance | |
| CN201540232U (en) | Water pressure resistance testing device of castings | |
| CN112903210A (en) | Dry-type air tightness detection test bed for punching and welding axle housing and process method thereof | |
| CN219810577U (en) | Tightness detection device is used in valve production | |
| CN212988719U (en) | Motor sealing performance detection device | |
| CN212748193U (en) | Battery case airtightness detection tool | |
| CN210603755U (en) | Air tightness detection device of automobile transition plate | |
| CN212059259U (en) | Semi-automatic fluid pressure type airtight test device | |
| CN220288881U (en) | Sensor sensitivity detection device | |
| CN213842545U (en) | Gas measurement jig | |
| CN220398799U (en) | Online leakage testing mechanism suitable for various products | |
| CN219369061U (en) | Power supply box sealing test device | |
| CN218211827U (en) | Air tightness detection device of hydraulic cylinder in high-low pressure negative pressure state | |
| CN220187952U (en) | Special detection equipment for air tightness of upper battery shell | |
| CN218847529U (en) | Pipe body air tightness detection device | |
| CN212030834U (en) | Curtain type hollow fiber membrane component sealing performance detection device | |
| CN213068106U (en) | Filter assembly test bench |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |