CN216411517U - Self-fixing quick-assembly inspection device for metal bipolar plate fuel cell stack - Google Patents
Self-fixing quick-assembly inspection device for metal bipolar plate fuel cell stack Download PDFInfo
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- CN216411517U CN216411517U CN202121885609.3U CN202121885609U CN216411517U CN 216411517 U CN216411517 U CN 216411517U CN 202121885609 U CN202121885609 U CN 202121885609U CN 216411517 U CN216411517 U CN 216411517U
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Abstract
The utility model discloses a self-fixing and fast-assembling inspection device for a metal bipolar plate fuel cell stack, which comprises an inspection device body, a plurality of guide rails and a plurality of inspection units, wherein the inspection device body is used for detecting the working states of a plurality of bipolar plates on the fuel cell stack; the inspection units are arranged at the bottom end of the upper cross bar and are arranged at intervals along the length direction of the cross bar, and a first gap for inserting the bipolar plate is formed between every two adjacent inspection units; the inspection unit comprises a conductive piece and an insulating block, and a second gap for inserting the bipolar plate is formed between the conductive piece and the insulating block. The utility model realizes the quick installation of the inspection device, and the conductive block and the insulating block are both in a block shape, so the scratching degree of the bipolar plate is far less than that of the bipolar plate, and the inspection device can be quickly disassembled.
Description
Technical Field
The utility model relates to the field of fuel cells, in particular to a self-fixing quick-assembly inspection device for a metal bipolar plate fuel cell stack.
Background
The power of the fuel cell stack is positively correlated with the number of membrane electrodes contained in the stack, after hydrogen and air are introduced into the stack, each membrane electrode starts to generate electricity and the electricity is converged into the voltage and the power of the stack to be exerted, however, the performance of the stack is often correlated with the membrane electrode with the minimum single-sheet voltage, and the method is very important for accurately, timely and correctly acquiring the single-sheet voltage of each membrane electrode to a lower computer.
At present, the general pile inspection method commonly used for metal bipolar plate fuel cell piles is that metal plate contact pins are connected (the contact pins are used as wires, the other ends of the contact pins are connected with display equipment which can display information such as voltage of a membrane electrode), the contact pins are connected to the bipolar plates in a spring jacking structure or in a welding mode, namely, jacks are arranged on each bipolar plate, then springs are installed at one ends of the contact pins, mounting plates are arranged at the other ends of the springs, the bottom ends of the contact pins and the jacks are propped tightly through the elasticity of the springs, because the thickness of the metal bipolar plates is 1-2 mm, the used contact pins are always thin, when the spring structure is adopted to jack the contact pins tightly, the requirement on the pin jacking is high, if the jacking force is too large, the bipolar plates are often scratched, the performance is affected, if the jacking force is too small, the contact failure of the contact pins is caused, and the contact resistance of inspection collection is increased, the accuracy of single-chip voltage data acquisition is directly influenced, and because the jack is generally very small, a certain time is also needed for inserting the contact pin into the jack; and the contact pin is connected to the bipolar plate in a welding mode, so that the inspection device is inconvenient to disassemble and maintain.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a self-fixing and quick-assembling inspection device for a metal bipolar plate fuel cell stack, which solves the problems of long installation time and inconvenient disassembly of the conventional inspection device.
The purpose of the utility model is realized by the following technical scheme:
a self-fixing and quick-assembling inspection device for a metal bipolar plate fuel cell stack comprises an inspection device body, a plurality of guide rails and a plurality of guide rails, wherein the inspection device body is used for detecting the working states of a plurality of bipolar plates on the fuel cell stack; the inspection units are arranged at the bottom end of the upper cross rod and are arranged at intervals along the length direction of the cross rod, and a first gap for inserting the bipolar plate is formed between every two adjacent inspection units; the inspection unit comprises a conductive piece and an insulating block, the conductive piece and the insulating block are arranged at intervals along the length direction of the upper cross rod, and a second gap for the bipolar plate to insert is formed between the conductive piece and the insulating block.
Preferably, a first sliding groove is formed in the bottom end of the upper cross rod, one end of the first sliding groove penetrates through the cross rod along the width direction of the cross rod, the width of the groove bottom of the first sliding groove is larger than that of the groove opening of the first sliding groove, and a first sliding block matched with the first sliding groove is arranged at the top end of the conductive piece.
Preferably, one of them patrol and examine on the unit electrically conductive piece with adjacent another patrol and examine the unit the collets are adjacent, collets are installed the elastic component along its ascending one end in width direction, the one end of elastic component with the collets are connected, its other end with adjacent another patrol and examine the unit electrically conductive piece offsets.
Preferably, electrically conductive piece is including installation piece and sheetmetal, first slider is installed the top of installation piece, just installation piece orientation is rather than being located same in patrol and examine the unit the mounting groove has been seted up to the one end of insulating block, the one end along its width direction of mounting groove is run through the installation piece, the sheetmetal slides and inlays to be established in the mounting groove, just the mounting groove all is provided with the fixed slot along its ascending both ends in direction of height, the sheetmetal along its ascending both ends in direction of height all be provided with the fixed block of fixed slot adaptation.
Preferably, the top end of the insulating block is further provided with a second sliding block, the width of the top end of the second sliding block is larger than that of the bottom end of the second sliding block, and the bottom end of the cross rod is provided with a second sliding groove matched with the second sliding block.
Preferably, go up the horizontal pole and be provided with left pole setting and right pole setting respectively along its ascending both ends of length direction, it is a plurality of patrol and examine the unit including respectively with left pole setting, the adjacent left side of right pole setting are patrolled and examined the unit and are patrolled and examined the unit in the right side, patrol and examine on a left side in the unit the installation piece is kept away from the one end of mounting groove with left side pole setting is hugged closely, patrol and examine the unit on the right side the elastic component is kept away from the insulating block the one end of insulating block with right side pole setting is hugged closely.
Preferably, the elastic member is a spring.
The utility model has the following advantages:
1. according to the utility model, the inspection units can transmit the voltage and other information of the bipolar plates to the display equipment for display, namely the inspection units comprise a conductive block and an insulating block, the conductive block and the insulating block are arranged at intervals, the interval distance is set according to the thickness of the bipolar plates, so that the conductive block and the insulating block can clamp the bipolar plates, the conductive block transmits the voltage and other information of the bipolar plates to the display equipment for display, and the insulating block can isolate two adjacent bipolar plates, so that the insulativity of the inspection device is improved. The utility model realizes the quick installation of the inspection device, and the conductive block and the insulating block are both in a block shape, so the scratching degree of the bipolar plate is far less than that of the bipolar plate, and the inspection device can be quickly disassembled.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic perspective view of the present invention;
fig. 3 is a schematic perspective view of the inspection device body according to the present invention;
FIG. 4 is a schematic view of a disassembled three-dimensional structure of the inspection unit and the support of the present invention;
in the figure, 100-fuel cell stack, 110-bipolar plate, 120-end plate, 200-inspection device body, 210-right vertical rod, 220-left vertical rod, 230-cross rod, 231-second sliding groove, 232-limiting groove, 233-first sliding groove, 240-conductive piece, 241-metal piece, 242-first sliding block, 243-fixed block, 244-mounting groove, 245-fixed groove, 246-mounting block, 250-second gap, 260-insulating block, 261-elastic piece, 262-second sliding block and 271-first gap.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In addition, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.
Example 1
As shown in fig. 1 to 3, the present embodiment provides a self-fixing and fast-assembling inspection device for a metal bipolar plate 110 fuel cell stack 100, which includes an inspection device body 200 for detecting the working states of a plurality of bipolar plates 110 on the fuel cell stack 100, wherein the plurality of bipolar plates 110 are mounted between two end plates 120, the inspection device body 200 includes a support frame and an inspection unit, and the support frame includes an upper cross bar 230; the upper cross bar 230 is made of an insulating material, the material of the upper cross bar 230 can be one of PE, PP, PVC, PTFE, ABS, PFA, FEP, epoxy resin and nylon 66, the inspection units are installed at the bottom end of the upper cross bar 230, the inspection units are arranged at intervals along the length direction of the cross bar 230, and a first gap 271 for inserting the bipolar plate 110 is formed between two adjacent inspection units; the inspection unit includes a conductive member 240 and an insulating block 260, the conductive member 240 and the insulating block 260 are spaced apart along a length direction of the upper rail 230, and a second gap 250, into which the bipolar plate 110 is inserted, is formed between the conductive member 240 and the insulating block 260.
The working principle of the embodiment is as follows: first, in this embodiment, in order to ensure the clamping capability of the inspection device body 200, a worker may set the distance between the conductive piece 240 and the insulating block 260 in the same inspection unit according to the thickness of the bipolar plate 110, that is, the distance between the conductive piece 240 and the insulating block 260 in the same inspection unit should be smaller than the thickness of the bipolar plate 110, so that the inspection unit can clamp the bipolar plate 110, that is, when the inspection device body 200 needs to be mounted on the fuel cell stack 100, only the second gap 250 needs to be aligned with the bipolar plate 110 corresponding to the second gap 250, and then the worker presses the inspection device body 200, so that the bipolar plate 110 is inserted into the second gap 250 corresponding to the second gap, and at this time, the conductive piece 240 and the insulating block 260 in the same inspection unit may deform, and generate the clamping force on the bipolar plate 110 through the deformation.
It should be noted that in this embodiment, in order to ensure that a single conductive member 240 can only correspond to a single bipolar plate 110 (to ensure the accuracy of the detected data), the bipolar plate 110 in the first gap 271 (i.e. between two adjacent inspection units) should be isolated from the conductive member 240 adjacent thereto (the operator may set the width of the first gap 271 according to actual conditions in industrial processing), then the bipolar plate 110 in the first gap 271 does not have the conductive member 240 corresponding thereto to conduct data, at this time, the operator only needs to prepare two inspection device bodies 200, and respectively mount the two inspection device bodies 200 at two ends of the fuel cell stack 100 along the length thereof, for example, the bipolar plate 110 is 14 sections, the first inspection device body 200 detects 1, 3, 5, 7, 9, 11, and 13 sections, and the second inspection device body 200 detects 2 sections, 4. Sections 6, 8, 10, 12, 14.
In this embodiment, can transmit information such as the voltage of a plurality of bipolar plate 110 to display device through the unit of patrolling and examining of a plurality of setting on, the same conducting block and the insulating block 260 of patrolling and examining in the unit can be held bipolar plate 110, the conducting block transmits information such as the voltage of bipolar plate 110 to display device (not drawn in the figure) and goes up to show, and insulating block 260 can keep apart two adjacent bipolar plate 110, improves the insulating nature of patrolling and examining device body 200. The utility model realizes the quick installation of the inspection device body 200, and the scraping degree of the conductive block and the insulating block 260 on the bipolar plate 110 is far less than that of a contact pin on the bipolar plate 110 because the conductive block and the insulating block are both in a block shape, and the inspection device can also be quickly disassembled.
Example 2
As shown in the figures, the present embodiment is substantially the same as the above embodiments, except that a first sliding slot 233 is formed at the bottom end of the upper cross bar 230, one end of the first sliding slot 233 penetrates through the cross bar 230 along the width direction of the cross bar 230, the width of the bottom of the first sliding slot 233 is greater than the width of the notch of the first sliding slot 233, and a first slider 242 adapted to the first sliding slot 233 is disposed at the top end of the conductive member 240.
In this embodiment, the bottom end of the upper cross bar 230 is provided with a first sliding groove 233, and the width of the groove bottom of the first sliding groove 233 is greater than the width of the notch of the first sliding groove 233, that is, the first sliding groove 233 is trapezoidal, and the top end of the conductive member 240 is provided with a first slider 242 adapted to the first sliding groove 233, and the first slider 242 can be slidably inserted into the first sliding groove 233, so that the conductive block can be quickly mounted.
Example 3
As shown in fig. 3 to 4, the present embodiment is substantially the same as the above embodiments, except that the conductive member 240 of one of the inspection units and the insulating block 260 of the other adjacent inspection unit are disposed adjacently (i.e., disposed in the order of the conductive block, the insulating block 260, and the insulating block 260), an elastic member 261 is installed at one end of the insulating block 260 in the width direction, one end of the elastic member 261 is connected to the insulating block 260, and the other end of the elastic member is abutted against the conductive member 240 of the other adjacent inspection unit.
In this embodiment, set up elastic component 261 on collets 260, elastic component 261 can be rather than the adjacent conductive piece 240 in another group of units of patrolling and examining right the top tightly, and make collets 260 itself top tightly left simultaneously, so conductive piece 240 and collets 260 in the unit of patrolling and examining of same group are respectively towards right and left direction top tightly, make and patrol and examine unit and tightly grasp bipolar plate 110, it has not only realized that bipolar plate 110 and conductive piece closely laminate, and make each patrol and examine the firm centre gripping of bipolar plate 110 that the unit can tightly, make patrolling and examining device's from the fixed function better.
Example 4
As shown in fig. 3 to 4, the present embodiment is substantially the same as the above embodiments, except that the conductive member 240 includes a mounting block 246 and a metal sheet 241, the first slider 242 is mounted on a top end of the mounting block 246, the mounting block 246 is opened with a mounting groove 244 toward one end of the insulating block 260 located in the same inspection unit, one end of the mounting groove 244 in a width direction thereof penetrates through the mounting block 246, the metal sheet 241 is slidably inserted into the mounting groove 244, both ends of the mounting groove 244 in a height direction thereof are provided with fixing grooves 245, and both ends of the metal sheet 241 in the height direction thereof are provided with fixing blocks 243 adapted to the fixing grooves 245.
In this embodiment, the conductive member 240 includes a mounting block 246 and a metal sheet 241, the mounting block 246 is made of an insulating material, the material of the mounting block 246 may be one of PE, PP, PVC, PTFE, ABS, PFA, FEP, epoxy resin, and nylon 66, the mounting block 246 is used for mounting the metal sheet 241, the metal sheet 241 is used for conducting electricity, and a mounting groove 244 is provided on the mounting block 246, fixing grooves 245 are provided at both ends of the mounting groove 244 in the height direction, that is, the mounting groove 244 and the fixing grooves 245 form a T-shaped groove, a fixing block 243 is provided on the metal sheet 241, and the fixing block 243 and the metal sheet 241 form a T-shaped block, so that the metal sheet 241 can be quickly mounted in the T-shaped groove.
Example 5
As shown in fig. 3 to 4, the present embodiment is substantially the same as the above embodiments, except that a second slider 262 is further disposed at a top end of the insulating block 260, a width of the top end of the second slider 262 is greater than a width of a bottom end of the second slider 262, and a second sliding slot 231 engaged with the second slider 262 is disposed at a bottom end of the cross bar 230.
In this embodiment, the second sliding slot 231 and the second sliding block 262 are arranged to realize the quick installation of the insulating block 260.
Example 6
As shown in fig. 1 to 4, the present embodiment is substantially the same as the above embodiments, except that a left vertical rod 220 and a right vertical rod 210 are respectively disposed at two ends of the upper cross bar 230 along the length direction thereof, the plurality of inspection units include a left inspection unit and a right inspection unit respectively adjacent to the left vertical rod 220 and the right vertical rod 210, one end of the mounting block 246 of the left inspection unit, which is far away from the mounting groove 244, is closely attached to the left vertical rod 220, and one end of the elastic member 261 of the insulating block 260 of the right inspection unit, which is far away from the insulating block 260, is closely attached to the right vertical rod 210.
In this embodiment, because the unit of patrolling and examining that is arranged in both ends about patrolling and examining device body 200 does not have fine centre gripping effect (the left end patrolling and examining the unit in to conductive piece 240 do not have elastic component 261 to support tightly, the right-hand member patrol and examine the insulating block 260 of unit and do not have the spring tightly with its top equally), consequently through the setting of left pole setting 220 and right pole setting 210, solved this problem, left pole setting 220 can be spacing to the conductive piece 240 of left end promptly, right pole setting 210 can offset with the elastic component 261 of right-hand member.
Example 8
As shown in fig. 4, this embodiment is substantially the same as the above embodiments except that the elastic member 261 is a spring.
In the present invention, the elastic member 261 is a spring, and the spring can withstand higher temperature than the elastic member 261 made of other elastic material.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.
Claims (7)
1. The utility model provides a metal bipolar plate fuel cell pile is from fixed quick group inspection device, includes inspection device body (200), its operating condition that is used for detecting a plurality of bipolar plate (110) on fuel cell pile (100), a plurality of bipolar plate (110) are installed between two end plates (120), its characterized in that: the inspection device body (200) comprises a support frame and an inspection unit, wherein the support frame comprises an upper cross rod (230);
the inspection units are arranged at the bottom end of the upper cross rod (230), the number of the inspection units is a plurality, the inspection units are arranged at intervals along the length direction of the cross rod (230), and a first gap (271) for inserting the bipolar plate (110) is formed between every two adjacent inspection units;
the inspection unit comprises a conductive piece (240) and an insulating block (260), wherein the conductive piece (240) and the insulating block (260) are arranged at intervals along the length direction of the upper cross bar (230), and a second gap (250) for the bipolar plate (110) to insert is formed between the conductive piece (240) and the insulating block (260).
2. The self-fixing fast-assembly inspection device for the metal bipolar plate fuel cell stack of claim 1, wherein: the bottom end of the upper cross rod (230) is provided with a first sliding groove (233), one end of the first sliding groove (233) penetrates through the upper cross rod (230) along the width direction of the upper cross rod (230), the width of the groove bottom of the first sliding groove (233) is larger than that of the groove opening of the first sliding groove (233), and the top end of the conductive piece (240) is provided with a first sliding block (242) matched with the first sliding groove (233).
3. The self-fixing quick-assembly inspection device for the metal bipolar plate fuel cell stack of claim 2, wherein: wherein one patrol and examine on the unit electrically conductive piece (240) and adjacent another it patrol and examine the unit insulating block (260) are adjacent, insulating block (260) are installed elastic component (261) along its one end on the width direction, the one end of elastic component (261) with insulating block (260) are connected, its other end and adjacent another it patrol and examine the unit electrically conductive piece (240) offset.
4. The self-fixing fast-assembly inspection device for the metal bipolar plate fuel cell stack of claim 3, wherein: electrically conductive piece (240) are including installation piece (246) and sheetmetal (241), first slider (242) are installed the top of installation piece (246), just installation piece (246) orientation rather than being located same patrol and examine in the unit mounting groove (244) have been seted up to the one end of insulating block (260), the one end on its width direction of edge of mounting groove (244) is run through installation piece (246), sheetmetal (241) slide to inlay and establish in mounting groove (244), just mounting groove (244) all are provided with fixed slot (245) along its ascending both ends in direction of height, sheetmetal (241) along its ascending both ends in direction of height all be provided with fixed block (243) of fixed slot (245) adaptation.
5. The self-fixing quick-assembly inspection device for the metal bipolar plate fuel cell stack of claim 4, wherein: the top end of the insulating block (260) is further provided with a second sliding block (262), the width of the top end of the second sliding block (262) is larger than that of the bottom end of the second sliding block (262), and the bottom end of the upper cross rod (230) is provided with a second sliding groove (231) matched with the second sliding block (262).
6. The self-fixing quick-assembly inspection device for the metal bipolar plate fuel cell stack of claim 5, wherein: go up horizontal pole (230) and be provided with left pole setting (220) and right pole setting (210) respectively along its ascending both ends in length direction, a plurality of patrol and examine the unit including respectively with left pole setting (220), right pole setting (210) adjacent left side patrol and examine the unit and the right side patrol and examine the unit, patrol and examine on a left side in the unit installation piece (246) are kept away from the one end of mounting groove (244) with left pole setting (220) are hugged closely, patrol and examine on the right side the unit insulating block (260) elastic component (261) are kept away from the one end of insulating block (260) with right pole setting (210) are hugged closely.
7. The self-fixing fast-assembly inspection device for the metal bipolar plate fuel cell stack of claim 3, wherein: the elastic member (261) is a spring.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121885609.3U CN216411517U (en) | 2021-08-12 | 2021-08-12 | Self-fixing quick-assembly inspection device for metal bipolar plate fuel cell stack |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202121885609.3U CN216411517U (en) | 2021-08-12 | 2021-08-12 | Self-fixing quick-assembly inspection device for metal bipolar plate fuel cell stack |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114976142A (en) * | 2022-05-09 | 2022-08-30 | 中国华能集团清洁能源技术研究院有限公司 | Fuel cell stack voltage monitoring device and monitoring method |
| CN116577660A (en) * | 2023-07-13 | 2023-08-11 | 深圳市万联新能科技有限公司 | Battery inspection device |
-
2021
- 2021-08-12 CN CN202121885609.3U patent/CN216411517U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114976142A (en) * | 2022-05-09 | 2022-08-30 | 中国华能集团清洁能源技术研究院有限公司 | Fuel cell stack voltage monitoring device and monitoring method |
| CN114976142B (en) * | 2022-05-09 | 2023-09-19 | 中国华能集团清洁能源技术研究院有限公司 | Fuel cell stack voltage monitoring device and monitoring method |
| CN116577660A (en) * | 2023-07-13 | 2023-08-11 | 深圳市万联新能科技有限公司 | Battery inspection device |
| CN116577660B (en) * | 2023-07-13 | 2023-09-12 | 深圳市万联新能科技有限公司 | Battery inspection device |
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