CN216433384U - Detection apparatus for fuel cell bipolar plate leakage point - Google Patents
Detection apparatus for fuel cell bipolar plate leakage point Download PDFInfo
- Publication number
- CN216433384U CN216433384U CN202122996195.8U CN202122996195U CN216433384U CN 216433384 U CN216433384 U CN 216433384U CN 202122996195 U CN202122996195 U CN 202122996195U CN 216433384 U CN216433384 U CN 216433384U
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- Prior art keywords
- end plate
- plate
- bipolar plate
- clamping
- connecting rod
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- 238000001514 detection method Methods 0.000 title claims abstract description 26
- 239000000446 fuel Substances 0.000 title claims abstract description 18
- 238000007789 sealing Methods 0.000 claims abstract description 11
- 230000000712 assembly Effects 0.000 claims abstract description 4
- 238000000429 assembly Methods 0.000 claims abstract description 4
- 239000002826 coolant Substances 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 239000000344 soap Substances 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a detection apparatus for fuel cell bipolar plate leakage point belongs to bipolar plate leakage point detection technical field, include: two clamping plate assemblies symmetrically arranged along a center plane of the bipolar plate for clamping the bipolar plate from opposite sides thereof; the clamping plate assembly comprises an upper end plate, a lower end plate and a locking mechanism, the upper end plate and the lower end plate are arranged oppositely, a clamping gap for clamping the bipolar plate is formed between the upper end plate and the lower end plate, and the locking mechanism is respectively connected with the upper end plate and the lower end plate to drive the upper end plate and the lower end plate to move relatively; the gas detection unit comprises a sealing gasket and a gas inlet channel arranged on the upper end plate; compared with the prior art, the beneficial effects of the utility model include: the device has simple structure, stability and safety, does not need to build complex equipment and pipelines, and can be repeatedly used; the device detects fast accurately, can cooperate external conveying system to carry out pipelined detection, and detection efficiency is high, practices thrift the cost.
Description
Technical Field
The utility model relates to a bipolar plate leakage point detects technical field, concretely relates to detection device of fuel cell bipolar plate leakage point.
Background
The proton exchange membrane fuel cell is used as a novel portable battery energy source and has the advantages of small scale, high energy utilization rate and the like; the device has considerable market prospect in new energy vehicles and other devices using electric energy, wherein electricity is used as a main energy source; the fuel cell has higher thermal efficiency and may have potential safety hazards, such as the whole fuel cell failure and even stack burning explosion caused by leakage due to damage of the bipolar plate.
Consequently when producing fuel cell, need carry out the leak point to raw materials battery's bipolar plate and detect, common detection device is, bipolar plate places on the conveyer belt, and when the conveyer belt drove bipolar plate and moved the detection station, it is close to bipolar plate to drive the pick-up plate through the cylinder, compresses tightly pick-up plate and bipolar plate, detects again, leads to bipolar plate to take place deformation, damage easily to lead to the conveyer belt damage easily at the in-process that pushes down.
Disclosure of Invention
An object of the utility model is to overcome above-mentioned technique not enough, provide a detection device of fuel cell bipolar plate leakage point, solve and lead to bipolar plate to take place deformation, damage easily among the prior art to lead to the technical problem that the conveyer belt harmd easily at the in-process that pushes down.
In order to achieve the above technical purpose, the utility model provides a detection apparatus for fuel cell bipolar plate leakage point, bipolar plate inside is formed with the cooling chamber and sets up at least one trompil with the cooling chamber intercommunication, one in the trompil is the coolant entry, include:
two clamping plate assemblies symmetrically arranged along a center plane of the bipolar plate for clamping the bipolar plate from opposite sides thereof; the clamping plate assembly comprises an upper end plate, a lower end plate and a locking mechanism, the upper end plate and the lower end plate are arranged oppositely, a clamping gap for clamping the bipolar plate is formed between the upper end plate and the lower end plate, and the locking mechanism is respectively connected with the upper end plate and the lower end plate to drive the upper end plate and the lower end plate to move relatively;
gaseous detecting element depends on the splint subassembly setting, gaseous detecting element includes: the upper end plate and the lower end plate are respectively provided with a sealing gasket which is arranged in one-to-one correspondence with the coolant inlets, one end of the air inlet channel extends to the outer side of the clamping plate, and the other end of the air inlet channel is connected with the sealing gasket so that when the bipolar plate is clamped by the clamping plate assembly, the sealing gasket is sealed at the corresponding coolant inlets and the air inlet channel passes through the sealing gasket and is communicated with the cooling cavity.
Further, the locking mechanism comprises a pull rod and a transmission mechanism;
the pull rod penetrates through the upper end plate and the lower end plate, a limiting boss is arranged at one end, close to the lower end plate, of the pull rod, and the other end of the pull rod is connected with the transmission mechanism;
and the transmission mechanism is used for pulling the pull rod to enable the upper end plate and the lower end plate to be close to each other.
Further, drive mechanism includes lifter, bracing piece, cooperation connecting rod, sticks up a little connecting rod and pressure point connecting rod, the cooperation connecting rod with the pull rod rotates to be connected, be equipped with a guide slot on the cooperation connecting rod, be provided with one in the guide slot stick up a little connecting rod and one the pressure point connecting rod, fixed mounting has on the upper end plate the bracing piece, stick up a little connecting rod with the bracing piece rotates to be connected, the lifter with upper end plate sliding connection, the pressure point connecting rod with the lifter rotates to be connected.
Furthermore, a screw rod is rotatably connected to the upper end plate and is connected with a nut fixedly installed in the lifting rod in a matched mode.
Furthermore, a telescopic cylinder is fixedly mounted on the upper end plate, and a telescopic rod of the telescopic cylinder is fixedly connected with the lifting rod.
Compared with the prior art, the beneficial effects of the utility model include:
1. the device has simple structure, stability and safety, does not need to build complex equipment and pipelines, and can be repeatedly used;
2. the device is rapid and accurate in detection, can be matched with an external conveying system to carry out assembly line type detection, is high in detection efficiency and saves cost;
3. when the bipolar plate detection device is used for detecting, the left clamping plate and the right clamping plate are driven by the locking mechanism to clamp the bipolar plate, the condition of bending the conveying belt can not occur, and the compression force is controllable, so that the bipolar plate and the external conveying system can not be damaged in the detection process.
Drawings
Fig. 1 is a top view of the present invention;
fig. 2 is a side view of the present invention.
In the figure: 1-left clamping plate, 2-right clamping plate, 3-sealing gasket, 4-bipolar plate to be tested, 5-coolant inlet, 6-first guide rod, 7-air inlet channel, 8-pull rod, 9-upper end plate, 10-lower end plate, 11-second guide rod, 12-lifting rod, 13-screw rod, 14-support rod, 15-matching connecting rod, 16-guide groove, 17-warping point connecting rod, 18-pressing point connecting rod and 19-screw nut.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The utility model provides a detection apparatus for fuel cell bipolar plate leakage point, including left splint 1, right splint 2, left side splint 1 with right side splint 2 is the test point of the 4 left and right sides departments of clamping await measuring bipolar plate respectively, left side splint 1 with right side splint 2 all comprises up end plate 9 and lower end plate 10, and the difference lies in, coolant entry 5 departments on the bipolar plate 4 that corresponds to await measuring on the splint 1 of a left side are provided with inlet channel 7, inlet channel 7 is "speaking" shape, inlet channel 7 one end extends to the splint 1 outside, the inlet channel 7 other end and coolant entry 5 intercommunication to, be provided with the sealed pad 3 that is used for sealing up the gap between left splint 1 and the coolant entry 5 on the splint 1 of a left side.
Further, for convenient use, left splint 1 with all install locking mechanism on the right splint 2, it is specific:
the locking mechanism comprises two pull rods 8, the two pull rods 8 are respectively positioned on the front side and the rear side of the clamping plate, the pull rods 8 penetrate through an upper end plate 9 and a lower end plate 10, a limiting boss is arranged at the bottom of each pull rod 8, first guide rods 6 are arranged on the left side and the right side of each pull rod 8, and the first guide rods 6 penetrate through the upper end plate 9 and are fixedly installed on the lower end plate 10;
the top of the pull rod 8 is rotatably connected with a matching connecting rod 15, a guide groove 16 penetrating through the front surface and the rear surface of the matching connecting rod 15 is arranged on the matching connecting rod 15, a warping point connecting rod 17 and a pressure point connecting rod 18 are arranged in the guide groove 16, a supporting rod 14 is fixedly installed on the upper end plate 9, the warping point connecting rod 17 is rotatably connected to the supporting rod 14, the pressure point connecting rod 18 is rotatably connected to a lifting rod 12, and the lifting rod 12 is in sliding connection with a plurality of second guide rods 11 fixed on the upper end plate 9;
when the lifting rod 12 descends, the right end of the matching connecting rod 15 is driven to descend, and the middle part of the matching connecting rod 15 is limited by the warped point connecting rod 17, so that the left end of the matching connecting rod 15 drives the pull rod 8 to ascend, so that the upper end plate 9 and the lower end plate 10 are close to each other, the bipolar plate 4 to be tested is clamped by the two end plates, and similarly, when the lifting rod 12 ascends, the upper end plate 9 and the lower end plate 10 are separated;
in order to further improve the operation convenience, the lifting of the lifting rod 12 can be realized through the screw rod 13 and the screw nut 19 arranged on the lifting rod 12, and the screw rod 13 is rotated to lift the screw nut 19.
It should be noted that, as shown in fig. 2, the bipolar plate 4 to be measured is placed on the conveyor belt, and if the bipolar plate 4 to be measured is directly pressed down by the upper end plate 9 for detection, instead of clamping the bipolar plate 4 to be measured by the upper end plate 9 and the lower end plate 10, the conveyor belt may deform or even break due to the pressure of the upper end plate 9.
When detecting, scribble soapy water on the bipolar plate surface that awaits measuring, gas input bipolar plate cooling chamber that awaits measuring through the gas inlet of left splint to continuously pressurize, observe the pressurization in-process, whether soap bubble appears in the bipolar plate surface, if appear then bipolar plate has the leakage problem, and the position that soap bubble appears is the accurate position of leakage point.
The above description of the present invention does not limit the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a detection apparatus for fuel cell bipolar plate leak point, bipolar plate inside is formed with the cooling chamber and sets up at least one trompil with the cooling chamber intercommunication, one in the trompil is the coolant entry, its characterized in that includes:
two clamping plate assemblies symmetrically arranged along a center plane of the bipolar plate for clamping the bipolar plate from opposite sides thereof; the clamping plate assembly comprises an upper end plate, a lower end plate and a locking mechanism, the upper end plate and the lower end plate are arranged oppositely, a clamping gap for clamping the bipolar plate is formed between the upper end plate and the lower end plate, and the locking mechanism is respectively connected with the upper end plate and the lower end plate to drive the upper end plate and the lower end plate to move relatively;
gaseous detecting element depends on the splint subassembly setting, gaseous detecting element includes: the upper end plate and the lower end plate are respectively provided with a sealing gasket which is arranged in one-to-one correspondence with the coolant inlets, one end of the air inlet channel extends to the outer side of the clamping plate, and the other end of the air inlet channel is connected with the sealing gasket so that when the bipolar plate is clamped by the clamping plate assembly, the sealing gasket is sealed at the corresponding coolant inlets and the air inlet channel passes through the sealing gasket and is communicated with the cooling cavity.
2. The fuel cell bipolar plate leak detection apparatus of claim 1, wherein the locking mechanism comprises a pull rod and a transmission mechanism;
the pull rod penetrates through the upper end plate and the lower end plate, a limiting boss is arranged at one end, close to the lower end plate, of the pull rod, and the other end of the pull rod is connected with the transmission mechanism;
and the transmission mechanism is used for pulling the pull rod to enable the upper end plate and the lower end plate to be close to each other.
3. The device for detecting the leakage point of the bipolar plate of the fuel cell as claimed in claim 2, wherein the transmission mechanism comprises a lifting rod, a support rod, a matching connecting rod, a warping point connecting rod and a pressure point connecting rod, the matching connecting rod is rotatably connected with the pull rod, a guide groove is arranged on the matching connecting rod, one warping point connecting rod and one pressure point connecting rod are arranged in the guide groove, the support rod connected with the warping point connecting rod is fixedly arranged on the upper end plate, the lifting rod is slidably connected with the upper end plate, and the pressure point connecting rod is connected with the lifting rod.
4. The fuel cell bipolar plate leakage detection apparatus of claim 3, wherein the up-turned connecting rod is rotatably connected to the support rod.
5. The fuel cell bipolar plate leak detection apparatus of claim 3, wherein the pressure point linkage is rotatably connected to the lifter.
6. The fuel cell bipolar plate leakage detection apparatus of claim 3, wherein a lead screw is rotatably connected to the upper end plate, and the lead screw is engaged with a nut fixedly installed in the lifter.
7. The fuel cell bipolar plate leakage point detection device of claim 3, wherein a telescopic cylinder is fixedly installed on the upper end plate, and a telescopic rod of the telescopic cylinder is fixedly connected with the lifting rod.
8. The apparatus of claim 3, wherein a plurality of first guide rods for positioning and guiding the lifter are fixedly installed on the upper end plate.
9. The apparatus of claim 1, wherein the lower end plate has a plurality of second guide rods for positioning and guiding the upper end plate.
10. The apparatus of claim 1, wherein a gas detection unit is provided inside only one of the two clamping plate assemblies.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122996195.8U CN216433384U (en) | 2021-11-30 | 2021-11-30 | Detection apparatus for fuel cell bipolar plate leakage point |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122996195.8U CN216433384U (en) | 2021-11-30 | 2021-11-30 | Detection apparatus for fuel cell bipolar plate leakage point |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216433384U true CN216433384U (en) | 2022-05-03 |
Family
ID=81340335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122996195.8U Expired - Fee Related CN216433384U (en) | 2021-11-30 | 2021-11-30 | Detection apparatus for fuel cell bipolar plate leakage point |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216433384U (en) |
-
2021
- 2021-11-30 CN CN202122996195.8U patent/CN216433384U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220503 |