CN220340368U - Alternating current impedance testing device for fuel cell stack - Google Patents
Alternating current impedance testing device for fuel cell stack Download PDFInfo
- Publication number
- CN220340368U CN220340368U CN202321847857.8U CN202321847857U CN220340368U CN 220340368 U CN220340368 U CN 220340368U CN 202321847857 U CN202321847857 U CN 202321847857U CN 220340368 U CN220340368 U CN 220340368U
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- alternating current
- current impedance
- fuel cell
- cell stack
- tester
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- 239000000446 fuel Substances 0.000 title claims abstract description 24
- 238000012360 testing method Methods 0.000 title claims abstract description 24
- 230000007246 mechanism Effects 0.000 claims abstract description 30
- 238000009434 installation Methods 0.000 claims abstract description 24
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 6
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 6
- 241001330002 Bambuseae Species 0.000 claims description 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 6
- 239000011425 bamboo Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 3
- 230000000295 complement effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 8
- 230000000087 stabilizing effect Effects 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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- Fuel Cell (AREA)
Abstract
The utility model relates to the technical field of alternating current impedance testing devices, in particular to a fuel cell stack alternating current impedance testing device, which comprises: the alternating current impedance tester, the top of which is fixedly connected with a brace; wherein, four corners of the bottom of the alternating current impedance tester are provided with mounting cavities; the four supporting devices are arranged in the installation cavity, and two ends of each supporting device penetrate through the outside of the installation cavity; through setting up adjustment mechanism, compare in the structure that is used for stabilizing the operation of alternating current impedance tester now, the staff can go up and down the one corner of alternating current impedance tester through adjustment mechanism fast to need not to overturn one corner of adjusting the alternating current impedance tester, make the staff adjust work lighter, effectually shortened staff's preparation time, in order to accelerate the process to fuel cell stack alternating current impedance test.
Description
Technical Field
The utility model relates to the technical field of alternating current impedance testing devices, in particular to a fuel cell stack alternating current impedance testing device.
Background
The ac impedance of the fuel cell is key data of the power generation performance of the fuel cell, and the ac impedance test of the fuel cell can identify the problematic fuel cell unit and the deviation generated in the assembly process. Currently, testers mostly use ac impedance testers to test ac impedance of fuel cell stacks. The supporting legs at the bottom of the existing alternating current impedance tester are uniform in height, so that the alternating current impedance tester has a requirement on the flatness of a workbench, and when the workbench surface is uneven, the alternating current impedance tester is easy to shake, and the measuring process is influenced.
At present, chinese patent discloses a portable alternating current impedance testing arrangement (publication No. CN 214067268U), when the roughness of workstation is different, rotate base 15, and the rotation of base 15 drives movable sleeve 13 rotation, and movable sleeve 13's rotation makes movable sleeve 13 remove on cylindrical pole 12, can adjust the height of base 15 for alternating current impedance tester 1 is in steady state on the workstation of unevenness, has avoided alternating current impedance tester 1 during operation to appear rocking the phenomenon.
Because the device adjusts the bottom corner of the alternating current impedance tester by rotating the base in the first notch, when a worker needs to adjust the corresponding base, the worker needs to turn over the alternating current impedance tester, the base faces upwards to normally perform adjustment work, and the adjustment height of the base also needs to be adjusted by the worker through experience, which can definitely increase the difficulty of the worker in leveling the alternating current impedance tester, and the worker can easily drag and slow the process of the alternating current impedance test on the fuel cell stack.
Disclosure of Invention
The utility model aims to solve the problems, and provides a fuel cell stack alternating current impedance testing device which solves the problems that the conventional alternating current impedance tester is complicated to use and cannot meet the demands of current staff.
A fuel cell stack ac impedance testing apparatus comprising: the alternating current impedance tester, the top of which is fixedly connected with a brace; wherein, four corners of the bottom of the alternating current impedance tester are provided with mounting cavities; the four supporting devices are arranged in the installation cavity, and two ends of each supporting device penetrate through the outside of the installation cavity; the supporting device comprises an adjusting mechanism arranged in the installation cavity, two ends of the adjusting mechanism penetrate through the outside of the installation cavity, and auxiliary mechanisms which are uniformly distributed are arranged at the bottom of the adjusting mechanism.
Preferably, the adjustment mechanism is including rotating the screw thread post of connecting in installation intracavity wall, the top of screw thread post runs through to the outside of installation chamber, the surface screw thread of screw thread post is connected with the screw thread section of thick bamboo with installation chamber sliding connection, the bottom of screw thread section of thick bamboo runs through to the outside of installation chamber, the contact portion of screw thread section of thick bamboo and installation chamber and screw thread section of thick bamboo is assorted rectangle, through setting up adjustment mechanism, compare in the structure that is used for stabilizing the operation of alternating current impedance tester now, the staff can go up and down the one corner of alternating current impedance tester fast through adjustment mechanism to need not to overturn and adjust the one corner of alternating current impedance tester, make the staff adjust work lighter, effectually shortened staff's preparation time, in order to accelerate the progress to the fuel cell electric pile alternating current impedance test.
Preferably, the top fixedly connected with of screw thread post changes the handle, the corner that changes the handle has the fillet, and this arm of force that can increase rotatory screw thread post for the staff can rotate the screw thread post more easily.
Preferably, evenly distributed place the chamber, assist mechanism includes sliding connection in placing the ring cover of intracavity wall, the inboard fixedly connected with connecting cylinder of ring cover, the bottom of connecting cylinder runs through to placing the outside in chamber, the bottom fixedly connected with of connecting cylinder increases the resistance piece, it is rubber material component to increase the resistance piece, through setting up assist mechanism, increases the friction that the resistance piece can increase screw thread section of thick bamboo table surface, this can make the operation that exchange impedance tester is more stable on table surface to adopt the expansion block that flexible removal set up, this can make the resistance piece adapt to uneven table surface, and then improved the holistic practicality of this assist mechanism.
Preferably, the spring is placed to the interior bottom wall of connecting cylinder, the top of spring runs through connecting cylinder and with place the chamber contact, the spring is in by compression state this moment, and this can increase the compactness that increases the piece of blocking and table surface contact, further has increased the stability of exchanging impedance tester operation.
Preferably, four vertical side ends of alternating current impedance tester all fixedly connected with bubble, four the bubble all sets up in same height, through setting up the bubble, this can assist staff to detect and leveling alternating current impedance tester, need not the staff and measure while adjusting, the effectual regulation degree of difficulty that reduces the staff.
The beneficial effects of the utility model are as follows:
1. by arranging the adjusting mechanism, compared with the existing structure for stabilizing the operation of the alternating current impedance tester, a worker can quickly lift and lower one corner of the alternating current impedance tester through the adjusting mechanism, and the one corner of the alternating current impedance tester does not need to be turned over and adjusted, so that the worker can adjust and work more easily, the preparation time of the worker is effectively shortened, and the process of testing the alternating current impedance of the fuel cell stack is accelerated;
2. by arranging the auxiliary mechanism, the friction force of the threaded cylinder workbench surface can be increased by the resistance increasing block, so that the alternating current impedance tester can run more stably on the workbench surface, and the resistance increasing block arranged in a telescopic movement manner is adopted, so that the resistance increasing block can adapt to the rugged workbench surface, and the overall practicability of the auxiliary mechanism is improved;
3. through setting up the bubble, this can assist the staff to detect and leveling alternating current impedance tester, need not the staff and measure while adjusting, the effectual regulation degree of difficulty that reduces the staff.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a partially cut-out structure of the present utility model;
FIG. 3 is a schematic cross-sectional view of a partially cut-away structure of the present utility model;
fig. 4 is an exploded view of the support device of the present utility model.
In the figure: 1. an alternating current impedance tester; 11. a mounting cavity; 2. a harness; 3. a support device; 31. an adjusting mechanism; 311. a threaded column; 312. a thread cylinder; 313. a rotating handle; 314. a placement cavity; 32. an auxiliary mechanism; 321. a ring sleeve; 322. a connecting cylinder; 323. resistance increasing blocks; 324. a spring; 4. and (5) leveling bubbles.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The specific implementation method comprises the following steps: as shown in fig. 1 to 4, a fuel cell stack ac impedance testing apparatus includes: the alternating current impedance tester 1, the top of the alternating current impedance tester 1 is fixedly connected with a strap 2; wherein, four corners of the bottom of the alternating current impedance tester 1 are provided with mounting cavities 11; the four supporting devices 3 are arranged in the installation cavity 11, and two ends of each supporting device 3 penetrate through the outside of the installation cavity 11; the supporting device 3 comprises an adjusting mechanism 31 arranged in the installation cavity 11, two ends of the adjusting mechanism 31 penetrate through the outside of the installation cavity 11, and auxiliary mechanisms 32 which are uniformly distributed are arranged at the bottom of the adjusting mechanism 31; four vertical side ends of the alternating current impedance tester 1 are fixedly connected with level bubbles 4, and the four level bubbles 4 are arranged at the same height.
As shown in fig. 3 and 4, the adjusting mechanism 31 comprises a threaded column 311 rotatably connected to the inner wall of the installation cavity 11, the top of the threaded column 311 penetrates to the outside of the installation cavity 11, a threaded cylinder 312 slidably connected with the installation cavity 11 is connected to the surface of the threaded column 311 in a threaded manner, the bottom of the threaded cylinder 312 penetrates to the outside of the installation cavity 11, and the contact parts of the threaded cylinder 312 and the installation cavity 11 and the threaded cylinder 312 are rectangular shapes which are matched; the top of the threaded column 311 is fixedly connected with a rotating handle 313, and corners of the rotating handle 313 are rounded.
As shown in fig. 3 and 4, a uniformly-distributed placing cavity 314 is formed at the bottom of the threaded cylinder 312, the auxiliary mechanism 32 comprises a ring sleeve 321 which is slidably connected to the inner wall of the placing cavity 314, a connecting cylinder 322 is fixedly connected to the inner side of the ring sleeve 321, the bottom of the connecting cylinder 322 penetrates through the outside of the placing cavity 314, a resistance increasing block 323 is fixedly connected to the bottom of the connecting cylinder 322, and the resistance increasing block 323 is a rubber material member; the spring 324 is placed on the inner bottom wall of the connecting tube 322, the top of the spring 324 penetrates through the connecting tube 322 and is in contact with the placing cavity 314, the spring 324 is in a compressed state { before the bottom of the threaded tube 312 is in contact with the working table, the working table is in contact with the resistance increasing block 323 in advance, the working table prevents the resistance increasing block 323 from moving downwards continuously, the resistance increasing block 323 prevents the connecting tube 322 from moving downwards, at the moment, the distance between the connecting tube 322 and the placing cavity 314 is gradually reduced, the spring 324 is gradually compressed under the cooperation of the connecting tube 322 and the placing cavity 314, the spring 324 generates a reaction force, and the spring 324 tightly presses the resistance increasing block 323 on the working table through the connecting tube 322 }.
When the utility model is used, after a worker places the alternating current impedance tester 1 on a working table surface of a Hunan, the worker can observe whether the alternating current impedance tester 1 is leveled at the moment according to the liquid bubble position of the level bubble 4, if the alternating current impedance tester 1 is not leveled, the worker rotates the corresponding rotating handle 313 towards the corresponding direction, the rotating handle 313 drives the threaded column 311 connected with the alternating current impedance tester 1 to rotate, the threaded column 311 drives the threaded cylinder 312 to lift along the inner wall of the mounting cavity 11 through rotation, the threaded cylinder 312 lifts one corner of the alternating current impedance tester 1 through the threaded column 311 and the mounting cavity 11, in the process, the worker can observe the liquid bubble position of the level bubble 4 corresponding to the threaded cylinder in real time until the liquid bubble position of the level bubble 4 is regulated to the middle position, namely, the alternating current impedance tester 1 is in a horizontal state when the four liquid bubbles in the level bubble 4 are all at the middle position, and after the worker levels the alternating current impedance tester 1, the worker can connect the fuel cell with the alternating current impedance tester 1 together, and then normally conduct alternating current impedance testing. Compared with the existing structure for stabilizing the running of the alternating current impedance tester 1, the worker can rapidly lift one corner of the alternating current impedance tester 1 through the adjusting mechanism 31, and the one corner of the alternating current impedance tester 1 is not required to be turned over and adjusted, so that the worker can adjust work more easily, the preparation time of the worker is effectively shortened, the process of the alternating current impedance test of the fuel cell stack is accelerated, the design of the level bubble 4 is adopted, the worker can be assisted to detect and level the alternating current impedance tester 1, the worker is not required to adjust and measure at the same time, and the adjustment difficulty of the worker is effectively reduced.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (6)
1. A fuel cell stack ac impedance testing apparatus, comprising:
the alternating current impedance tester (1), the top of the alternating current impedance tester (1) is fixedly connected with a brace (2);
wherein, four corners of the bottom of the alternating current impedance tester (1) are provided with mounting cavities (11);
the four supporting devices (3) are arranged in the installation cavity (11), and two ends of each supporting device (3) penetrate through the outside of the installation cavity (11);
the supporting device (3) comprises an adjusting mechanism (31) arranged in the installation cavity (11), two ends of the adjusting mechanism (31) penetrate through the outside of the installation cavity (11), and auxiliary mechanisms (32) which are uniformly distributed are arranged at the bottom of the adjusting mechanism (31).
2. The fuel cell stack ac impedance testing apparatus according to claim 1, wherein: the adjusting mechanism (31) comprises a threaded column (311) which is rotationally connected to the inner wall of the mounting cavity (11), the top of the threaded column (311) penetrates through the outside of the mounting cavity (11), a threaded cylinder (312) which is in sliding connection with the mounting cavity (11) is connected to the surface of the threaded column (311) in a threaded mode, the bottom of the threaded cylinder (312) penetrates through the outside of the mounting cavity (11), and the contact portions of the threaded cylinder (312) and the mounting cavity (11) and the threaded cylinder (312) are rectangular.
3. A fuel cell stack ac impedance testing apparatus according to claim 2, wherein: the top of the threaded column (311) is fixedly connected with a rotating handle (313), and corners of the rotating handle (313) are rounded.
4. A fuel cell stack ac impedance testing apparatus according to claim 2, wherein: evenly distributed place chamber (314) have been seted up to the bottom of screw thread section of thick bamboo (312), complementary unit (32) are including sliding connection in ring cover (321) of placing chamber (314) inner wall, the inboard fixedly connected with connecting cylinder (322) of ring cover (321), the bottom of connecting cylinder (322) runs through to the outside of placing chamber (314), the bottom fixedly connected with of connecting cylinder (322) increases resistance piece (323), increase resistance piece (323) is rubber material component.
5. The fuel cell stack ac impedance testing apparatus according to claim 4, wherein: a spring (324) is arranged on the inner bottom wall of the connecting cylinder (322), the top of the spring (324) penetrates through the connecting cylinder (322) and is in contact with the placing cavity (314), and the spring (324) is in a compressed state at the moment.
6. The fuel cell stack ac impedance testing apparatus according to claim 1, wherein: four vertical side ends of alternating current impedance tester (1) all fixedly connected with bubble level (4), four bubble level (4) all set up in same height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321847857.8U CN220340368U (en) | 2023-07-14 | 2023-07-14 | Alternating current impedance testing device for fuel cell stack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321847857.8U CN220340368U (en) | 2023-07-14 | 2023-07-14 | Alternating current impedance testing device for fuel cell stack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220340368U true CN220340368U (en) | 2024-01-12 |
Family
ID=89441650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321847857.8U Active CN220340368U (en) | 2023-07-14 | 2023-07-14 | Alternating current impedance testing device for fuel cell stack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220340368U (en) |
-
2023
- 2023-07-14 CN CN202321847857.8U patent/CN220340368U/en active Active
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