CN109449462B - Self-assembly structure for voltage inspection of fuel cell - Google Patents
Self-assembly structure for voltage inspection of fuel cell Download PDFInfo
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- CN109449462B CN109449462B CN201811168521.2A CN201811168521A CN109449462B CN 109449462 B CN109449462 B CN 109449462B CN 201811168521 A CN201811168521 A CN 201811168521A CN 109449462 B CN109449462 B CN 109449462B
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- 238000007689 inspection Methods 0.000 title claims abstract description 86
- 239000000446 fuel Substances 0.000 title claims abstract description 51
- 238000001338 self-assembly Methods 0.000 title claims abstract description 17
- 238000003780 insertion Methods 0.000 claims description 17
- 230000037431 insertion Effects 0.000 claims description 17
- 239000012528 membrane Substances 0.000 claims description 8
- 238000012856 packing Methods 0.000 claims description 2
- 239000000758 substrate Substances 0.000 claims 2
- 238000000034 method Methods 0.000 abstract description 7
- 239000012634 fragment Substances 0.000 abstract description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04313—Processes for controlling fuel cells or fuel cell systems characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function
- H01M8/04537—Electric variables
- H01M8/04544—Voltage
- H01M8/04552—Voltage of the individual fuel cell
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/04—Pins or blades for co-operation with sockets
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Fuel Cell (AREA)
Abstract
A self-assembly structure for fuel cell voltage inspection comprises a polar plate inspection end, a voltage collector, an inspection connecting end and a positioning locking mechanism; the edge of fuel cell's polar plate can be interface or fin structure, patrols and examines and is equipped with corresponding structure on the link and connect, and when the edge of polar plate was the interface structure, the joint of patrolling and examining the link was patrolled and examined the end and is firmly connected through expansion head tight fit or the fixed mode of shell fragment and polar plate, and when the edge of polar plate was fin structure, the joint of patrolling and examining the link was patrolled and examined the end and is firmly connected through the mode of two clamp plate centre grippings and examine the polar plate, prevents not hard up. Simultaneously in the assembling process, will patrol and examine the link location and lock on two pile end plates of fuel cell through location locking mechanism, prevent to patrol and examine the drop of link, improve the reliability of voltage signal collection when fuel cell receives interference such as vibration.
Description
Technical Field
The invention relates to the technical field of fuel cells, in particular to a self-assembly structure for voltage inspection of a fuel cell.
Background
With the aggravation of environmental pollution and the exhaustion of fossil energy, the development of new energy technology is gradually receiving wide attention. The hydrogen-oxygen fuel cell is a new energy device for directly converting chemical energy into water, has the characteristics of high conversion efficiency, no pollution, quick start and the like, and is an ideal energy device for automobiles, fixed power stations, portable electrical equipment and the like in the future. In a fuel cell, bipolar plates, membrane electrodes, seal assemblies, etc. are key components thereof. Bipolar plate types include primarily graphite bipolar plates, composite bipolar plates, and metallic bipolar plates. In recent years, metal bipolar plates have been widely used in fuel cell stacks instead of graphite bipolar plates due to their characteristics of high mechanical strength, good thermal conductivity, strong gas barrier properties, low manufacturing cost, etc. The fuel cell is formed by assembling hundreds of bipolar plates and a membrane electrode in a laminated manner, wherein a single cell is formed between the two bipolar plates by the membrane electrode, and the single cells are connected to form the whole cell stack. The voltage of the electric pile is formed by the accumulation of the voltage of the single cells forming the electric pile, and the performance of each single cell is an important factor influencing the performance of the electric pile of the fuel cell, so that the voltage of each single cell of the electric pile of the battery needs to be detected, the safe and reliable operation of the whole electric pile is ensured, and meanwhile, when the fuel cell has a fault problem, which cell has the fault can be accurately judged. The operative connection of the battery routing inspection system to the individual cells of the fuel cell plays a critical role.
Usually, the inspection acquisition point and the fuel cell pole plate are connected together in a spot welding mode to acquire voltage signals, but the connection method has low reliability and is easy to fall off when the galvanic pile is interfered by vibration and the like. Meanwhile, in the process of disassembling the fuel cell stack, the welded routing inspection line needs to be disassembled, so that the parts are easily damaged. Patent CN102938470A patrols and examines the distance of jack according to the metal polar plate, the pressfitting go out with patrol and examine the row line connector of jack looks adaptation, later insert the row line needle ware and patrol and examine the jack in, the other end and the battery of row line connector are patrolled and examined the system connection simultaneously. The method can avoid instability caused by connection in a welding mode and improve inspection reliability. However, the plugging method adopted by the invention is easy to cause inaccurate positioning, and meanwhile, the tightness degree of the plugging position is not easy to control in the plugging process, so that the inspection line falls off.
Disclosure of Invention
The invention provides a self-assembly structure for inspecting the voltage of a fuel cell, aiming at the problems.
The purpose of the invention can be realized by the following technical scheme: a self-assembly structure for fuel cell voltage inspection comprises a polar plate inspection end, a voltage collector, an inspection connecting end and a positioning locking mechanism; the edge of each polar plate of the fuel cell is provided with at least one socket, and the sockets on the plurality of polar plates are correspondingly arranged to form polar plate inspection ends which are arranged in a row; the voltage collector is arranged on the fuel cell, one side of the voltage collector is connected with a plurality of routing inspection connecting wires, the other side of the voltage collector is a wiring terminal, and the routing inspection connecting wires are connected with the routing inspection connecting ends; the inspection connecting end comprises a connecting end main body and connectors, wherein one side of the connecting end main body is provided with a plurality of connectors corresponding to the inserting ports on the plurality of polar plates, the connectors are connected with the inserting ports in an inserting manner, and the other side of the connecting end main body is provided with a plurality of connecting wire jacks corresponding to the connectors; the location locking mechanism includes matched with location slot and location picture peg, set up a location slot on the looks proximal surface of two pile end plates of fuel cell respectively, the position of location slot sets up with the position correspondence of the interface on the polar plate, the both ends of the link main part of patrolling and examining the link set up one respectively with link main part looks vertically location picture peg.
Further, the joint comprises a plug column connected with the connecting end main body and an expansion section arranged on the plug column. Or the joint comprises an inserting bottom sheet connected with the connecting end main body and an elastic sheet arranged on the inserting bottom sheet.
Further, the voltage collector is arranged on the side faces of the polar plate and the membrane electrode of the fuel cell.
Further, two be equipped with first locating hole in the positioning slot on the pile end plate respectively, first locating hole link up two terminal surfaces of place pile end plate, be equipped with the second locating hole on the positioning insertion plate at link main part both ends respectively, when positioning insertion plate inserted positioning slot, first locating hole and second locating hole position were corresponding and guaranteed that positioning insertion plate assembles in the positioning slot and targets in place. Furthermore, location locking mechanism still includes bayonet socket and location arch, two be equipped with a bayonet socket in the location slot on the pile end plate respectively, it is protruding to patrol and examine the both ends of the link main part of link and set up one respectively along the location that the link main part extends the setting, the location is protruding to be connected with the inside extensible member of link main part, and the location is protruding to be inserted the bayonet socket and is locked the position of location picture peg in the location slot.
The other self-assembly structure for the voltage inspection of the fuel cell comprises a polar plate inspection end, a voltage collector, an inspection connecting end and a positioning locking mechanism; the edge of each polar plate of the fuel cell is provided with at least one fin, and the inserting ports on the plurality of polar plates are correspondingly arranged to form polar plate inspection ends which are arranged in a row; the voltage collector is arranged on the fuel cell, one side of the voltage collector is connected with a plurality of routing inspection connecting wires, the other side of the voltage collector is a wiring terminal, and the routing inspection connecting wires are connected with the routing inspection connecting ends; the inspection connecting end comprises a shell and a clamping piece arranged on the shell, and the clamping piece is connected with the fin in a clamping manner; the positioning locking mechanism comprises positioning slots, positioning slots are respectively arranged on the adjacent surfaces of the two pile end plates of the fuel cell, the positions of the positioning slots correspond to the positions of fins on the polar plate, and the two ends of the shell of the routing inspection connecting end are respectively inserted into the positioning slots of the two pile end plates.
Furthermore, the inspection connecting end further comprises a thread moving part and a lead screw, the clamping pieces comprise a first clamping piece and a second clamping piece, the shell and the thread moving part are both tubular, the thread moving part is arranged in the shell, an internal thread is arranged on the inner side surface of the thread moving part, and the lead screw matched with the thread moving part is arranged in the thread moving part; one side of casing is equipped with and removes the hole with a plurality of clamping pieces that the fin on a plurality of polar plates is corresponding, and the opposite side of casing is equipped with and removes a plurality of connecting wire jacks in hole with a plurality of clamping pieces, and the side in every clamping piece removal hole sets up a first tight piece of clamp, first tight piece fixed connection of clamp sets up a second in the outside surface of casing, and the tight piece fixed connection of clamp is in the outside surface of screw thread motion piece, drives screw thread motion piece and removes in the casing through twisting the lead screw for the tight piece of second clamp is close to and presss from both sides the fin on the polar plate towards first tight piece of clamp. Furthermore, the end of the second clamping piece is provided with a projection.
Furthermore, the positioning locking mechanism further comprises positioning holes, positioning slots on the two pile end plates are respectively provided with positioning holes, and the positioning holes penetrate through the two end faces of the pile end plate; when the both ends of the casing of patrolling and examining the link insert respectively in the positioning slot of two pile end plates and when corresponding with the locating hole position on two pile end plates, the lead screw passes in the screw motion spare in the locating hole packing casing, realizes locking the casing in the positioning slot.
Compared with the prior art, the invention has the beneficial effects that: the edge of fuel cell's polar plate can be interface or fin structure, patrols and examines and is equipped with corresponding structure on the link and connect, and when the edge of polar plate was the interface structure, the joint of patrolling and examining the link was patrolled and examined the end and is firmly connected through expansion head tight fit or the fixed mode of shell fragment and polar plate, and when the edge of polar plate was fin structure, the joint of patrolling and examining the link was patrolled and examined the end and is firmly connected through the mode of two clamp plate centre grippings and examine the polar plate, prevents not hard up. Simultaneously in the assembling process, will patrol and examine the link location and lock on two pile end plates of fuel cell through location locking mechanism, prevent to patrol and examine the drop of link, improve the reliability of voltage signal collection when fuel cell receives interference such as vibration.
Drawings
Fig. 1 to 3 are schematic overall structural views of embodiment 1 of the present invention.
Fig. 4 is a schematic structural diagram of the pole plate inspection end, the inspection connection end, and the positioning locking mechanism in embodiment 1 of the present invention.
Fig. 5 is a schematic structural view of the inspection connection terminal in embodiment 1 of the present invention.
Fig. 6 is a schematic structural diagram of the inspection connection terminal in embodiment 2 of the present invention.
Fig. 7 and 8 are overall structural schematic views of embodiment 3 of the present invention.
Fig. 9 is a schematic structural view of the inspection connection terminal in embodiment 3 of the present invention.
Fig. 10 is a sectional view of the inspection connection terminal in embodiment 3 of the present invention.
The parts in the figures are numbered as follows:
1 polar plate
2 electric pile end plate
201 positioning slot
202 first positioning hole
3 polar plate inspection terminal
301 interface
302 fin
4 voltage collector
5 routing inspection connecting end
501 connecting end body
5011 connecting line jack
502 joint
5021 plug column
5022 expansion segment
5023 inserting negative plate
5024 elastic sheet
503 positioning plug board
5031 second positioning hole
504 positioning projection
505 casing
5051 moving hole of clamping piece
5052 connecting line jack
506 thread moving element
507 screw rod
508 first clamping piece
509 second clamping piece
6, inspecting the connecting line.
Detailed Description
The following detailed description of the embodiments of the present invention will be given in conjunction with the accompanying drawings to make it clear to those skilled in the art how to practice the present invention. While the invention has been described in connection with preferred embodiments thereof, these embodiments are merely illustrative, and not restrictive, of the scope of the invention.
Example 1
Referring to fig. 1 to 3, a self-assembly structure for voltage inspection of a fuel cell comprises a polar plate inspection end 3, a voltage collector 4, an inspection connection end 5 and a positioning locking mechanism.
The fuel cell comprises polar plate 1, membrane electrode and pile end plate 2, and a plurality of polar plates 1 and membrane electrode are range upon range of one by one interval between two pile end plates 2, and every polar plate 1's edge is equipped with an at least interface 301, and interface 301 on a plurality of polar plates 1 corresponds the setting and constitutes the polar plate that is row form and arranges and patrol and examine end 3, polar plate patrol and examine end 3 is used for patrolling and examining the link 5 and be connected. The polar plate inspection end 3 can be arranged at the position of the fuel cell where the voltage needs to be measured.
The voltage collector 4 is installed on the fuel cell, the specific positions are the side faces of the plurality of pole plates 1 and the membrane electrode which are assembled in a stacked mode, one side of the voltage collector 4 is connected with a plurality of routing inspection connecting wires 6, the other side of the voltage collector 4 is a wiring terminal, and the wiring terminal is used for being connected with a monitoring signal wire of a pile module on a computer.
Many the one end of patrolling and examining connecting wire 6 is connected with voltage collector 4, and many other ends of patrolling and examining connecting wire 6 are connected with patrolling and examining link 5.
Referring to fig. 4 and 5, the inspection connection end 5 includes a connection end main body 501 and a connector 502, the connection end main body 501 is a long strip with a rectangular cross section, one side of the connection end main body 501 is provided with a plurality of connectors 502 corresponding to the sockets 301 on the plurality of pole plates 1, the connector 502 is an expansion head type structure, the connector 502 includes a socket column 5021 connected with the connection end main body 501 and an expansion section 5022 arranged on the socket column 5021, when the socket column 5021 is inserted into the socket 301 on the pole plate 1, the expansion section 5022 just blocks the socket 301 and is fixed in the socket 301 together with the socket column 5021, so that the connection and fixation of the connector 502 and the socket 301 are realized. The other side of the connecting end main body 501 is provided with a plurality of connecting wire insertion holes 5011 corresponding to the plurality of connectors 502 for inserting and connecting a plurality of inspection connecting wires 6.
Referring to fig. 1, 4 and 5, the positioning locking mechanism includes positioning slots 201, bayonets, positioning insertion plates 503 and positioning protrusions 504, two adjacent surfaces of the two stack end plates 2 are respectively provided with a positioning slot 201, a bayonet is arranged in the positioning slot 201, positions of the positioning slots 201 on the two stack end plates 2 are arranged corresponding to positions of the insertion ports 301 on the electrode plates 1, two ends of the connecting end body 501 of the routing inspection connecting end 5 are respectively provided with a positioning insertion plate 503 perpendicular to the connecting end body 501 and a positioning protrusion 504 extending along the connecting end body 501, the positioning insertion plate 503 is fixedly connected with the connecting end body 501, the positioning insertion plate 503 is inserted into the positioning slot 201, the positioning protrusions 504 are connected with the telescopic members inside the connecting end body 501, the telescopic members may be springs, and the positioning protrusions 504 are used for inserting the bayonet to lock positions of the positioning insertion plates 503 in the positioning slots 201, the positioning protrusion 504 may be a plate-shaped pin as shown in fig. 5, or may be other structures such as a cylindrical pin. In addition, in order to ensure that the routing inspection connecting end 5 is fixed on the two stack end plates 2 and is assembled in place, two still be equipped with first locating hole 202 in the positioning slot 201 on the stack end plate 2 respectively, first locating hole 202 link up two terminal surfaces of place stack end plate 2, be equipped with second locating hole 5031 on the positioning insertion plate 503 at connecting end main part 501 both ends respectively, when positioning insertion plate 503 inserts positioning slot 201, make first locating hole 202 in the positioning slot 201 and the second locating hole 5031 on the positioning insertion plate 503 keep in the same position, just can ensure that the routing inspection connecting end 5 is assembled in place on two stack end plates 2, and the bayonet socket is gone into in time to the protruding 504 of location.
Example 2
The difference from embodiment 1 lies in the structure of the joint 502 of the inspection connection terminal 5.
Referring to fig. 6, the connector 502 of the inspection connection end 5 is a fin 302 clamping structure, the connector 502 includes a plug-in bottom sheet 5023 connected with the connection end main body 501 and a spring piece 5024 arranged on the plug-in bottom sheet 5023, when the plug-in bottom sheet 5023 is inserted into the socket 301 on the pole plate 1, the spring piece 5024 will spring up and be fixed in the socket 301 together with the plug-in bottom sheet 5023, so that the connection and fixation of the connector 502 and the socket 301 are realized.
Example 3
The difference from the embodiment 1 and the embodiment 2 lies in the structures of the pole plate inspection end 3, the inspection connecting end 5 and the positioning locking mechanism.
Referring to fig. 7 and 8, at least one fin 302 is provided at the edge of each plate 1, and the fins 302 on a plurality of plates 1 are correspondingly arranged to form a plate inspection end 3 arranged in a row.
Referring to fig. 9 and 10, the inspection connection end 5 includes a housing 505, a threaded moving member 506, a screw 507, a first clamping piece 508 and a second clamping piece 509, the housing 505 is in a square tube shape with two through ends, the threaded moving member 506 is arranged in the housing 505, the threaded moving member 506 is in a tube shape, an internal thread is arranged on an inner side surface of the threaded moving member 506, and the screw 507 is arranged in the threaded moving member 506 and is matched with the threaded moving member, wherein one side of the housing 505 is provided with a plurality of clamping piece moving holes 5051 corresponding to fins 302 on a plurality of pole plates 1, a first clamping piece 508 is arranged beside each clamping piece moving hole 5051, the first clamping piece 508 is fixedly connected to an outer side surface of the housing 505, a second clamping piece 509 is arranged in each clamping piece moving hole 5051, the second clamping piece 509 is fixedly connected to an outer side surface of the threaded moving member 506, an end of the second clamping piece 509 is further provided with a protrusion, facilitating clamping of the fins 302 on the plate 1. The screw 507 is screwed to move the screw 506 in the housing 505, so that the second clamping piece 509 approaches the first clamping piece 508 to clamp the fin 302 on the plate 1. The other side of the housing 505 is also provided with a plurality of connection line insertion holes 5052 connected to the plurality of clip moving holes 5051 for inserting a plurality of routing inspection connection lines 6.
In this embodiment, the positioning locking mechanism includes a positioning slot 201 and a first positioning hole 202, and the positioning slot 201 and the first positioning hole 202 are the same as those in embodiment 1. Before the routing inspection connecting end 5 and the two stack end plates 2 are assembled, the screw 507 needs to be detached, the two ends of the shell 505 of the routing inspection connecting end 5 are inserted into the positioning slots 201 on the two stack end plates 2 respectively, the two ends of the shell 505 correspond to the positions of the first positioning holes 202 on the two stack end plates 2 respectively to realize positioning, and then the screw penetrates through the first positioning holes 202 to be installed in the thread moving part 506 in the shell 505 to realize locking. Then, the screw 507 is screwed to enable the first clamping sheet 508 and the clamping sheet clamping fin 302 to realize the connection of the inspection connecting end 5 and the pole plate inspection end 3.
It should be noted that many variations and modifications of the embodiments of the present invention fully described are possible and are not to be considered as limited to the specific examples of the above embodiments. The above examples are given by way of illustration of the invention and are not intended to limit the invention. In conclusion, the scope of the present invention should include those changes or substitutions and modifications which are obvious to those of ordinary skill in the art.
Claims (9)
1. A self-assembly structure for fuel cell voltage inspection is characterized by comprising a polar plate inspection end, a voltage collector, an inspection connecting end and a positioning locking mechanism; the edge of each polar plate of the fuel cell is provided with at least one socket, and the sockets on the plurality of polar plates are correspondingly arranged to form polar plate inspection ends which are arranged in a row; the voltage collector is arranged on the fuel cell, one side of the voltage collector is connected with a plurality of routing inspection connecting wires, the other side of the voltage collector is a wiring terminal, and the routing inspection connecting wires are connected with the routing inspection connecting ends; the inspection connecting end comprises a connecting end main body and connectors, wherein one side of the connecting end main body is provided with a plurality of connectors corresponding to the inserting ports on the plurality of polar plates, the connectors are connected with the inserting ports in an inserting manner, and the other side of the connecting end main body is provided with a plurality of connecting wire jacks corresponding to the connectors; the positioning locking mechanism comprises a positioning slot and a positioning plug board which are matched, the adjacent surfaces of two stack end plates of the fuel cell are respectively provided with a positioning slot, the position of the positioning slot is arranged corresponding to the position of a plug port on a polar plate, and two ends of a connecting end main body of the routing inspection connecting end are respectively provided with a positioning plug board which is vertical to the connecting end main body;
the edge of the polar plate of the fuel cell is of a socket structure, the patrol inspection connecting end is provided with a corresponding structure for connection, and the joint of the patrol inspection connecting end is firmly connected with the patrol inspection end of the polar plate in a mode of tight fit of the expansion head or fixation of the elastic sheet.
2. The self-assembly structure for fuel cell voltage inspection according to claim 1, wherein the connector includes a post connected to the connection terminal body and an expansion section provided on the post.
3. The self-assembly structure for fuel cell voltage inspection according to claim 1, wherein the connector includes a plug substrate connected to the connection terminal body and a spring plate disposed on the plug substrate.
4. The self-assembly structure for fuel cell voltage inspection according to claim 1, wherein the voltage collectors are mounted to the sides of the plate and the membrane electrode of the fuel cell.
5. The self-assembly structure for the voltage inspection of the fuel cells according to any one of claims 1 to 4, wherein first positioning holes are formed in the positioning slots of the two stack end plates respectively, the first positioning holes penetrate through the two end faces of the stack end plate, second positioning holes are formed in the positioning insertion plates at the two ends of the connecting end body respectively, and when the positioning insertion plates are inserted into the positioning slots, the first positioning holes correspond to the second positioning holes in position so as to ensure that the positioning insertion plates are assembled in place in the positioning slots.
6. The self-assembly structure that fuel cell voltage patrolled and examined, according to claim 5, characterized in that, location locking mechanism still includes bayonet socket and location arch, two be equipped with a bayonet socket in the location slot on the pile end plate respectively, the both ends of the link main part of patrolling and examining the link set up one respectively along the link main part extend the location arch that sets up, the location arch is connected with the inside extensible member of link main part, and the location arch inserts the bayonet socket and locks the position of location picture peg in the location slot.
7. A self-assembly structure for fuel cell voltage inspection is characterized by comprising a polar plate inspection end, a voltage collector, an inspection connecting end and a positioning locking mechanism; the edge of each polar plate of the fuel cell is provided with at least one fin, and the inserting ports on the plurality of polar plates are correspondingly arranged to form polar plate inspection ends which are arranged in a row; the voltage collector is arranged on the fuel cell, one side of the voltage collector is connected with a plurality of routing inspection connecting wires, the other side of the voltage collector is a wiring terminal, and the routing inspection connecting wires are connected with the routing inspection connecting ends; the inspection connecting end comprises a shell and a clamping piece arranged on the shell, and the clamping piece is connected with the fin in a clamping manner; the positioning locking mechanism comprises positioning slots, the adjacent surfaces of two pile end plates of the fuel cell are respectively provided with a positioning slot, the positions of the positioning slots are arranged corresponding to the positions of fins on a polar plate, two ends of a shell of the inspection connecting end are respectively inserted into the positioning slots of the two pile end plates, the inspection connecting end further comprises a threaded moving piece and a lead screw, the clamping piece comprises a first clamping piece and a second clamping piece, the shell and the threaded moving piece are both tubular, the threaded moving piece is arranged in the shell, the inner side surface of the threaded moving piece is provided with internal threads, and the threaded moving piece is internally provided with the lead screw matched with the internal threads; one side of casing is equipped with and removes the hole with a plurality of clamping pieces that the fin on a plurality of polar plates is corresponding, and the opposite side of casing is equipped with and removes a plurality of connecting wire jacks in hole with a plurality of clamping pieces, and the side in every clamping piece removal hole sets up a first tight piece of clamp, first tight piece fixed connection of clamp sets up a second in the outside surface of casing, and the tight piece fixed connection of clamp is in the outside surface of screw thread motion piece, drives screw thread motion piece and removes in the casing through twisting the lead screw for the tight piece of second clamp is close to and presss from both sides the fin on the polar plate towards first tight piece of clamp.
8. The fuel cell voltage inspection self-assembly structure according to claim 7, wherein the end of the second clamping piece is provided with a protrusion.
9. The self-assembly structure for the fuel cell voltage inspection according to claim 7, wherein the positioning locking mechanism further comprises positioning holes, positioning slots in the two stack end plates are respectively provided with positioning holes, and the positioning holes penetrate through the two end faces of the stack end plate; when the both ends of the casing of patrolling and examining the link insert respectively in the positioning slot of two pile end plates and when corresponding with the locating hole position on two pile end plates, the lead screw passes in the screw motion spare in the locating hole packing casing, realizes locking the casing in the positioning slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811168521.2A CN109449462B (en) | 2018-10-08 | 2018-10-08 | Self-assembly structure for voltage inspection of fuel cell |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811168521.2A CN109449462B (en) | 2018-10-08 | 2018-10-08 | Self-assembly structure for voltage inspection of fuel cell |
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| CN109449462A CN109449462A (en) | 2019-03-08 |
| CN109449462B true CN109449462B (en) | 2022-03-22 |
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| CN110323463B (en) * | 2019-08-02 | 2024-07-12 | 新源动力股份有限公司 | Fuel cell bipolar plate and fuel cell voltage inspection plug-in |
| CN110474074B (en) * | 2019-08-27 | 2024-07-09 | 国鸿氢能科技(嘉兴)股份有限公司 | Connection structure and detection method for detecting graphite bipolar plate of fuel cell |
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