CN216792403U - Fuel cell inspection device - Google Patents
Fuel cell inspection device Download PDFInfo
- Publication number
- CN216792403U CN216792403U CN202122875555.9U CN202122875555U CN216792403U CN 216792403 U CN216792403 U CN 216792403U CN 202122875555 U CN202122875555 U CN 202122875555U CN 216792403 U CN216792403 U CN 216792403U
- Authority
- CN
- China
- Prior art keywords
- conductive
- copper ring
- fuel cell
- fixed plate
- voltage acquisition
- 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
- Fuel Cell (AREA)
Abstract
The utility model relates to the technical field of fuel cells, in particular to a fuel cell inspection device. The utility model provides a fuel cell inspection device, includes first fixed plate, second fixed plate and with a plurality of the voltage acquisition unit that the monocell one-to-one set up, first fixed plate is "U" type structure, and its horizontal installation is in one side of fuel cell reactor, be equipped with voltage output end on the first fixed plate, second fixed plate level sets up the upper end of first fixed plate, its with the connection can be dismantled to first fixed plate, and is a plurality of voltage acquisition unit horizontal direction interval respectively sets up first fixed plate with between the second fixed plate. The fuel cell inspection device has the advantages of compact structure, reliable connection with a fuel cell reactor, convenient assembly and disassembly, standardized components, easy maintenance and replacement and simple manufacturing process.
Description
Technical Field
The utility model relates to the technical field of fuel cells, in particular to a fuel cell inspection device.
Background
A fuel cell stack is a device that converts chemical energy of reactants into electrical energy. The membrane electrode forms a single cell between two bipolar plates, and a plurality of single cells form the whole stack in a serial connection mode. The monolithic voltage signal is an important factor in detecting stack faults and consistency.
The fuel cell inspection device collects each single-chip voltage signal of the electric pile, and the fuel cell system needs to monitor the single-chip voltage information of the electric pile in real time, so that the reliable connection between the inspection structure and the electric pile is crucial to voltage detection.
Most of the existing fuel cell inspection systems adopt a welding or needle-shaped plug-in structure. The welding mode has higher requirements on the manufacturing process of the galvanic pile and is not easy to maintain; because the monocell is very thin, the needle plug-in components structure needs to be made very thin, and the easy deformation leads to bad contact or positive negative plug-in components contact and causes the short circuit, and more this kind of structure all can make assorted recess on the monocell in order to improve its connection reliability, makes to patrol and examine the subassembly and can imbed inside the pile, can influence the structure of pile and increase the manufacturing process requirement like this.
Because the electric pile is composed of dozens of hundreds of single cells, and the inspection structure needs to be connected with each single cell, the installation, connection reliability detection and maintenance of the conventional inspection structure are difficult.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention provides a fuel cell inspection device.
The utility model provides a fuel cell inspection device, which comprises a first fixing plate, a second fixing plate and voltage acquisition units, wherein the voltage acquisition units are arranged in one-to-one correspondence with a plurality of monocells, the first fixing plate is of a U-shaped structure and horizontally arranged on one side of a fuel cell reactor, a voltage output end is arranged on the first fixing plate, the second fixing plate is horizontally arranged at the upper end of the first fixing plate and is detachably connected with the first fixing plate, the voltage acquisition units are respectively arranged between the first fixing plate and the second fixing plate at intervals in the horizontal direction, two adjacent voltage acquisition units are detachably connected, each voltage acquisition unit is provided with an anode voltage acquisition end, a voltage cathode acquisition end, a first output end and a second output end, and the anode voltage acquisition end and the cathode voltage acquisition end are respectively and electrically connected with the anode and the cathode of the monocell of the fuel cell reactor, the first output end and the second output end are both electrically connected with the voltage output end.
Further, the voltage output end includes with the plug connector and a plurality of the electrically conductive piece that the voltage acquisition unit one-to-one set up is a plurality of electrically conductive piece all sets up on the diapire of first fixed plate to along the even interval distribution of horizontal direction, it is a plurality of electrically conductive piece all with the plug connector electricity is connected, the first output and the second output of voltage acquisition unit all are connected with the electrically conductive piece electricity that corresponds.
Furthermore, the voltage acquisition unit comprises an insulating shell, a first conductive copper ring and a second conductive copper ring, the insulating shell is vertically arranged between the first fixing plate and the second fixing plate and detachably connected with the first fixing plate and the second fixing plate respectively, one side of the insulating shell is provided with a first clamping tenon, the opposite side of the insulating shell is provided with a first clamping groove matched with the first clamping tenon, the front side of the insulating shell is provided with two accommodating cavities at intervals up and down, the first conductive copper ring and the second conductive copper ring are vertically and parallelly arranged on the rear side of the insulating shell, the upper ends of the first conductive copper ring and the second conductive copper ring are inserted into the accommodating cavities respectively, the lower ends of the first conductive copper ring and the second conductive copper ring are parallel and level, and the upper ends of the first conductive copper ring and the second conductive copper ring are electrically connected with the conductive pieces.
Further, the voltage acquisition unit still includes two springs, first electrically conductive copper ring with the upper end outside of second electrically conductive copper ring all is equipped with annular protrusion, two the spring overlaps respectively and is established first electrically conductive copper ring with the upper end of second electrically conductive copper ring, its one end with correspond annular protrusion butt.
Furthermore, a second clamping tenon is arranged at the upper end of the insulating shell, a second clamping groove matched with the second clamping tenon is formed in the second fixing plate, and a third clamping groove matched with the first clamping tenon is formed in the inner wall of the right side of the first fixing plate.
Further, electrically conductive piece includes two fixed orificess and two electrically conductive holes, two the fixed orificess sets up along the even interval of horizontal direction on the diapire of first fixed plate, two the coaxial correspondence of electrically conductive hole sets up two the below of fixed orificess, every all be equipped with electrically conductive bush in the electrically conductive hole, the plug connector is equipped with a plurality ofly, and is a plurality of the even interval distribution of horizontal direction is followed to the plug connector, every all be equipped with in the plug connector with the terminal of electrically conductive bush one-to-one, the terminal with correspond electrically conductive bush electricity is connected, first electrically conductive copper ring with the lower extreme of second electrically conductive copper ring inserts two correspondingly in the fixed orificess, and with correspond electrically conductive bush electricity is connected.
The technical scheme provided by the utility model has the beneficial effects that: the fuel cell inspection device provided by the utility model has the advantages of compact structure, reliable connection with a fuel cell reactor, convenient installation and disassembly, standardized components, easy maintenance and replacement, simple manufacturing process and no need of changing the structure of the galvanic pile.
Drawings
Fig. 1 is an assembly view of a fuel cell inspection apparatus according to the present invention;
fig. 2 is an assembly view of a fuel cell inspection apparatus according to the present invention;
FIG. 3 is a schematic structural diagram of a voltage acquisition unit according to the present invention;
FIG. 4 is a schematic structural view of a first fixing plate according to the present invention;
FIG. 5 is an enlarged view of a portion of FIG. 4;
fig. 6 is a schematic structural view of a second fixing plate according to the present invention;
FIG. 7 is a partial cross-sectional view of a second retaining plate according to the present invention;
fig. 8 is a schematic view of the structure of the conductive bushing of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1 to 8, it should be noted that a fuel cell reactor 6 is composed of a plurality of single cells 31, the fuel cell reactor 6 is fixed in the frame, an embodiment of the present invention provides a fuel cell inspection device, further including a first fixing plate 2, a second fixing plate 3, and voltage collecting units 1 disposed in one-to-one correspondence with the plurality of single cells 31, the first fixing plate 2 is a "U" shaped structure and horizontally mounted on one side of the fuel cell reactor 6, a voltage output end is disposed on the first fixing plate 2, the second fixing plate 3 is horizontally disposed at an upper end of the first fixing plate 2 and detachably connected to the first fixing plate 2, the plurality of voltage collecting units 1 are respectively disposed between the first fixing plate 2 and the second fixing plate 3 at intervals in a horizontal direction, and two adjacent voltage collecting units 1 are detachably connected to each other, the voltage acquisition unit 1 is provided with a positive voltage acquisition end, a voltage negative electrode acquisition end, a first output end and a second output end, wherein the positive voltage acquisition end and the negative voltage acquisition end are respectively electrically connected with the positive electrode and the negative electrode corresponding to the single battery 31, and the first output end and the second output end are both connected with the voltage output end.
In the utility model, the first fixing plate 2 is provided with a first threaded hole 19 and a third threaded hole 20, and the second fixing plate 3 is provided with a second threaded hole 29, which are used for mounting bolts in a threaded manner, so as to realize the fixation with the frame and the second fixing plate 3. Every monocell 31 corresponds and is equipped with a voltage acquisition unit 1, by the voltage acquisition unit 1 collection voltage that corresponds, can improve inspection accuracy of inspection device, can also be when voltage acquisition unit 1 breaks down, only need change corresponding voltage acquisition unit 1, can conveniently be to inspection device's maintenance, can also practice thrift the cost.
In the above embodiment, the voltage output end includes the conductive pieces that are arranged in one-to-one correspondence with the plug connector 5 and the plurality of voltage acquisition units 1, the plurality of conductive pieces are all arranged on the bottom wall of the first fixing plate 2 and are evenly distributed at intervals along the horizontal direction, the plurality of conductive pieces are all electrically connected with the plug connector 5, and the first output end and the second output end of the voltage acquisition units 1 are both electrically connected with the corresponding conductive pieces.
In the above embodiment, the voltage collecting unit 1 includes an insulating housing 7, a first conductive copper ring 14 and a second conductive copper ring 13, the insulating housing 7 is vertically disposed between the first fixing plate 2 and the second fixing plate 3, and is detachably connected to the first fixing plate 2 and the second fixing plate 3, the insulating housing 7 is provided with a first tenon 16 on one side, a first slot 15 matched with the first tenon 16 is disposed on the opposite side, two accommodating cavities 18 are disposed on the front side of the insulating housing at intervals, the first conductive copper ring 14 and the second conductive copper ring 13 are vertically and parallel disposed on the rear side of the insulating housing 7, the upper ends of the first conductive copper ring and the second conductive copper ring are inserted into the accommodating cavities 18, the lower ends of the first conductive copper ring and the second conductive copper ring are flush, and are electrically connected to the conductive members.
In the utility model, the first clamping tenon 16 on the insulating shell 7 is clamped in the first clamping groove 15 corresponding to the insulating shell 7 of the adjacent voltage acquisition unit 1, so that the insulating shells 7 of the two voltage acquisition units 1 are connected and fixed. The fixing structure of the first clamping tenon 16 and the clamping groove has the advantages of convenience in disassembly and assembly, low implementation cost and the like. The first conductive copper ring 14 and the second conductive copper ring 13 respectively form a positive voltage collecting end and a negative voltage collecting end of the voltage collecting unit 1, and the lower ends thereof respectively form a first output end and a second output end of the voltage collecting unit 1. Preferably, the length of the first conductive copper ring 14 is longer than that of the second conductive copper ring 13, and the structure of the first conductive copper ring and the second conductive copper ring is spaced up and down, so that short circuit caused by deformation of the conductive copper rings can be avoided. Preferably, the lower end of the insulating housing 7 is provided with two insulating sleeves 17, and the lower ends of the first conductive copper ring 14 and the second conductive copper ring 13 are inserted into the corresponding insulating sleeves 17 and extended out to be inserted into the conductive members, respectively.
In the above embodiment, the voltage collecting unit 1 further includes two springs 10, the outer sides of the upper ends of the first conductive copper ring 14 and the second conductive copper ring 13 are both provided with an annular protrusion 28, the two springs 10 are respectively sleeved on the upper ends of the first conductive copper ring 14 and the second conductive copper ring 13, and one end of each spring is abutted to the corresponding annular protrusion 28.
In the present invention, the spring 10 is disposed in the accommodating cavity 18, when the arc-shaped sections of the first conductive copper ring 14 and the second conductive copper ring 13 are inserted into the single cells 31, the spring 10 gives a buffering force to the first conductive copper ring 14 and the second conductive copper ring 13, so that the first conductive copper ring 14 and the second conductive copper ring 13 are more closely connected to the corresponding single cells 31, and the annular protrusion 28 is used for limiting the movement of the spring 10, so that the spring 10 is elastically deformed.
In the above embodiment, the upper end of the insulating housing 7 is provided with the second tenon 8, the second fixing plate 3 is provided with the second slot 30 adapted to the second tenon 8, and the right inner wall of the first fixing plate 2 is provided with the third slot 21 adapted to the first tenon 16.
In the utility model, the second tenon 8 is clamped in the second clamping groove 30, and the first tenon 16 on the insulating shell 7 of the rightmost voltage acquisition unit 1 is clamped in the third clamping groove 21, so that the insulating shell 7 is arranged in the first fixing plate 2 and the second fixing plate 3.
The voltage acquisition unit 1 of the utility model acquires voltage by using a special-shaped conductive copper ring without designing other matching structures on the single cell 31 of the electric pile; an annular convex limiting spring 10 is arranged on the conductive copper ring, and the spring 10 is used for ensuring that the copper ring is in good contact with the single cell 31 of the electric pile; each voltage acquisition structure comprises two electrode copper rings, can independently acquire the voltage of the single cell 31 of the electric pile, and belongs to a standardized structure; the two-pole conductive copper rings are of a vertically staggered structure, so that short circuit caused by deformation of the conductive copper rings can be avoided. The conductive output end of the voltage acquisition structure extends out of the insulating sleeve 17 at the bottom of the insulating shell 7, so that an independent conductive output structure is not needed, and the whole volume can be reduced.
In the above embodiment, the conductive component includes two fixing holes 22 and two conductive holes, two fixing holes 22 are uniformly arranged on the bottom wall of the first fixing plate 2 at intervals along the horizontal direction, two conductive holes are coaxially and correspondingly arranged below the two fixing holes 22, each conductive hole is internally provided with a conductive bushing 24, the plug connector 5 is provided with a plurality of plug connectors 5 which are uniformly distributed at intervals along the horizontal direction, each plug connector 5 is internally provided with a terminal 27 corresponding to the conductive bushing 24 one by one, the terminal 27 is electrically connected with the corresponding conductive bushing 24, and the lower ends of the first conductive copper ring 14 and the second conductive copper ring 13 are correspondingly inserted into the two fixing holes 22 and are electrically connected with the corresponding conductive bushing 24.
In the present invention, the conductive bushing 24 is electrically connected to the corresponding terminal 27 through a wire, and the conductive snap spring 26 is disposed on the conductive bushing 24 to ensure good contact between the first conductive copper ring 14 and the second conductive copper ring 13 and the corresponding conductive bushing 24. The utility model forms a circuit path of the positive and negative electrodes of the single battery 31, the conductive copper ring, the conductive bushing 24, the internal circuit and the connector terminal 27 through the conductive piece and the connector 5, thereby outputting the collected voltage to the controller.
In the present invention, when assembling the inspection device, the first fixing plate 2 is fixed to the end plate of the fuel cell reactor 6 by fastening bolts. The voltage acquisition unit 1 is installed along the single battery 31 from top to bottom, so that the first conductive copper ring 14 and the second conductive copper ring 13 are respectively contacted with the positive electrode and the negative electrode of the single battery 31, and can be reliably contacted with the single battery 31 through the elasticity of the spring 9; the lower ends of the first conductive copper ring 14 and the second conductive copper ring 13 are inserted into the fixing hole 22 and the conductive hole, and inserted into the conductive bush 24, and the first tenon 16 is clamped into the third clamping groove 21 on the side edge; then all the voltage acquisition units 1 are sequentially installed in the order from right to left. And finally, fixing the second fixing plate 3 on the first fixing plate 2 by using a fastening bolt, so that the second clamping tenon 8 on the voltage acquisition unit 1 is clamped into the second clamping groove 30.
In this document, the terms front, back, upper and lower are used to define the components in the drawings and the positions of the components relative to each other, and are used for clarity and convenience of the technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.
The embodiments and features of the embodiments described herein above may be combined with each other without conflict.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. The utility model provides a fuel cell inspection device, its characterized in that, include first fixed plate (2), second fixed plate (3) and with voltage acquisition unit (1) of a plurality of monocells (31) one-to-one setting, first fixed plate (2) are "U" type structure, its horizontal installation in one side of fuel cell reactor (6), be equipped with voltage output end on first fixed plate (2), second fixed plate (3) level sets up the upper end of first fixed plate (2), its with first fixed plate (2) can dismantle the connection, and is a plurality of voltage acquisition unit (1) horizontal direction interval respectively sets up first fixed plate (2) with between second fixed plate (3), and two are adjacent can dismantle the connection between voltage acquisition unit (1), voltage acquisition unit (1) is equipped with anodal voltage acquisition end, The voltage control circuit comprises a voltage negative electrode acquisition end, a first output end and a second output end, wherein the positive electrode voltage acquisition end and the negative electrode voltage acquisition end are respectively electrically connected with the positive electrode and the negative electrode of a single cell (31) of a fuel cell reactor (6), and the first output end and the second output end are electrically connected with the voltage output end.
2. The fuel cell inspection device according to claim 1, wherein the voltage output end includes a plurality of conductive pieces which are arranged in a one-to-one correspondence with the plug connectors (5) and the voltage acquisition units (1) and are distributed on the bottom wall of the first fixing plate (2) along the horizontal direction at uniform intervals, the conductive pieces are all electrically connected with the plug connectors (5), and the first output end and the second output end of the voltage acquisition units (1) are electrically connected with the corresponding conductive pieces.
3. The fuel cell inspection device according to claim 2, wherein the voltage acquisition unit (1) includes an insulating housing (7), a first conductive copper ring (14) and a second conductive copper ring (13), the insulating housing (7) is vertically disposed between the first fixing plate (2) and the second fixing plate (3) and detachably connected to the first fixing plate (2) and the second fixing plate (3), the insulating housing (7) is provided with a first tenon (16) at one side thereof, a first clamping groove (15) matched with the first tenon (16) is provided at the opposite side thereof, two accommodating cavities (18) are provided at the front side thereof at intervals up and down, the first conductive copper ring (14) and the second conductive copper ring (13) are vertically and parallelly disposed at the rear side of the insulating housing (7), and the upper ends thereof are correspondingly inserted into the accommodating cavities (18) respectively, the lower end of the conductive piece is flush with the lower end of the conductive piece and is electrically connected with the conductive piece.
4. The fuel cell inspection device according to claim 3, wherein the voltage acquisition unit (1) further comprises two springs (10), annular protrusions (28) are respectively arranged on the outer sides of the upper ends of the first conductive copper ring (14) and the second conductive copper ring (13), the two springs (10) are respectively sleeved on the upper ends of the first conductive copper ring (14) and the second conductive copper ring (13), and one end of each spring is abutted to the corresponding annular protrusion (28).
5. The fuel cell inspection device according to claim 3, wherein a second clamping tongue (8) is arranged at the upper end of the insulating shell (7), a second clamping groove (30) matched with the second clamping tongue (8) is formed in the second fixing plate (3), and a third clamping groove (21) matched with the first clamping tongue (16) is formed in the inner wall of the right side of the first fixing plate (2).
6. The inspection device for the fuel cell according to claim 3, wherein the conductive member includes two fixing holes (22) and two conductive holes, the two fixing holes (22) are uniformly spaced on the bottom wall of the first fixing plate (2) along the horizontal direction, the two conductive holes are coaxially and correspondingly disposed below the two fixing holes (22), each conductive hole is internally provided with a conductive bushing (24), the plurality of connectors (5) are uniformly spaced along the horizontal direction, each connector (5) is internally provided with a terminal (27) corresponding to the conductive bushing (24) one by one, the terminals (27) are electrically connected with the corresponding conductive bushings (24), the lower ends of the first conductive copper ring (14) and the second conductive copper ring (13) are correspondingly inserted into the two fixing holes (22), and is electrically connected with the corresponding conductive bush (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122875555.9U CN216792403U (en) | 2021-11-22 | 2021-11-22 | Fuel cell inspection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122875555.9U CN216792403U (en) | 2021-11-22 | 2021-11-22 | Fuel cell inspection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216792403U true CN216792403U (en) | 2022-06-21 |
Family
ID=82005309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122875555.9U Active CN216792403U (en) | 2021-11-22 | 2021-11-22 | Fuel cell inspection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216792403U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117054904A (en) * | 2023-10-11 | 2023-11-14 | 深圳市万联新能科技有限公司 | Inspection device and system for fuel cell |
-
2021
- 2021-11-22 CN CN202122875555.9U patent/CN216792403U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117054904A (en) * | 2023-10-11 | 2023-11-14 | 深圳市万联新能科技有限公司 | Inspection device and system for fuel cell |
| CN117054904B (en) * | 2023-10-11 | 2024-01-12 | 深圳市万联新能科技有限公司 | Inspection device and system for fuel cell |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101336426B1 (en) | Fuel cell stack and stack voltage monitoring apparatus of fuel cell | |
| CN216792403U (en) | Fuel cell inspection device | |
| CN217239688U (en) | Battery module and battery pack | |
| KR101173386B1 (en) | Stack voltage monitoring apparatus of fuel cell | |
| CN110088953A (en) | For being in electrical contact the connecting element of the partition of conducting fuel cell pack | |
| CN113848350A (en) | Collecting terminal for single cell voltage inspection of fuel cell stack | |
| CN212113899U (en) | Inspection unit and inspection device | |
| CN112803196A (en) | Electrical connection structure of fuel cell voltage inspection system | |
| CN111796127A (en) | Connecting device for collecting single voltage of fuel cell | |
| CN110931676B (en) | Freely assembled and disassembled welding-free battery mounting frame | |
| CN214378746U (en) | Power battery module collection system | |
| CN213845422U (en) | Lithium ion battery module | |
| CN113346197A (en) | Battery switching structure, connection piece, connection structure and battery module | |
| CN218300173U (en) | Collection assembly and battery module | |
| CN219476741U (en) | Fuel cell inspection device convenient to overhaul | |
| CN217983774U (en) | High-power socket | |
| CN111987249A (en) | Battery pack and electric tool | |
| CN210805905U (en) | Lithium battery mounting plate | |
| CN218827693U (en) | Battery pack | |
| CN217158550U (en) | Cylindrical battery module signal acquisition assembly and cylindrical battery module | |
| CN221057632U (en) | Welding-free busbar and welding-free battery module | |
| CN219677400U (en) | Cylindrical battery module with same-end lead-out electrode | |
| CN220703812U (en) | Experimental water electrolysis hydrogen production equipment and electrode assembly thereof | |
| CN220400843U (en) | Battery cell switching row and battery pack with various connections | |
| CN218496283U (en) | Temperature acquisition assembly and battery pack |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |