CN112162118B - Hydrogen fuel cell stack voltage and internal resistance test fixture - Google Patents
Hydrogen fuel cell stack voltage and internal resistance test fixture Download PDFInfo
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- CN112162118B CN112162118B CN202010898514.9A CN202010898514A CN112162118B CN 112162118 B CN112162118 B CN 112162118B CN 202010898514 A CN202010898514 A CN 202010898514A CN 112162118 B CN112162118 B CN 112162118B
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- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 68
- 239000001257 hydrogen Substances 0.000 title claims abstract description 68
- 239000000446 fuel Substances 0.000 title claims abstract description 59
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 55
- 238000012360 testing method Methods 0.000 title claims abstract description 29
- 210000001503 joint Anatomy 0.000 claims abstract description 116
- 230000004224 protection Effects 0.000 claims abstract description 48
- 238000005259 measurement Methods 0.000 claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 238000005096 rolling process Methods 0.000 claims abstract description 3
- 230000003068 static effect Effects 0.000 claims description 15
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 11
- 238000010030 laminating Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 238000003032 molecular docking Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052729 chemical element Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000009979 protective mechanism Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0425—Test clips, e.g. for IC's
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
-
- 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
-
- 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
- H01M8/04634—Other electric variables, e.g. resistance or impedance
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05F—STATIC ELECTRICITY; NATURALLY-OCCURRING ELECTRICITY
- H05F3/00—Carrying-off electrostatic charges
-
- 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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- 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
The invention discloses a clamp for testing the voltage and the internal resistance of a hydrogen fuel cell stack, and relates to the technical field of fuel cells. The other end of the fixed guide rod penetrates through the outside of the hydrogen fuel cell placement box, the other end of the first guide electrode butt joint lead is connected with one end of the second electrode butt joint block, the inside of the electrostatic protection cover is connected with the outer wall of the electrostatic protection shell in a rolling mode through balls, the inside of the electrostatic protection shell is fixedly connected with the outer wall of the position butt joint plate, the other end of the conductive clamping spring is fixedly connected with one end of the conductive clamping block, the outside of the first sliding rod is connected with the inside of the measurement additional resistor in a sliding mode, the two ends of the second sliding rod are fixedly connected with the inside of the measurement switching bin, the butt joint lead screw is pressed to rotate the butt joint pull ring, two poles clamped by the inside of the electrode butt joint block clamp plate are enabled to enable the joint of the second electrode butt joint block and the protection mechanism not to be subjected to electrostatic interference, and the voltage displayed on the voltmeter is the voltage of the hydrogen fuel cell.
Description
Technical Field
The invention relates to the technical field of fuel cells, in particular to a clamp for testing the voltage and the internal resistance of a hydrogen fuel cell stack.
Background
Hydrogen fuel cells are cells that use a chemical element, hydrogen, to store energy. The basic principle is that the reverse reaction of electrolyzed water supplies hydrogen and oxygen to the anode and the cathode respectively, and after hydrogen diffuses outwards through the anode and reacts with electrolyte, electrons are released and reach the cathode through an external load. The fuel cell is environment-friendly. It is the most typical conventional back-up power scheme by electrochemical reactions rather than combustion (gasoline, diesel) or energy storage (battery) modes. Combustion releases contaminants such as COx, NOx, SOx gas and dust. Fuel cells produce only water and heat. If hydrogen is generated by renewable energy sources (photovoltaic panels, wind power generation and the like), the whole cycle is a complete process without harmful substance emission.
The currently used hydrogen fuel cell device has a limitation performance in the voltage and internal resistance test of the hydrogen fuel cell when the device is used, and only one hydrogen fuel cell can be used, and after the voltage and internal resistance in the hydrogen fuel cell are used for a long time, the voltage and internal resistance in the hydrogen fuel cell can influence the test result of the voltage and internal resistance in the hydrogen fuel cell due to static electricity generated by the cell, so that a hydrogen fuel cell stack voltage and internal resistance test fixture is proposed by a person skilled in the art.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a clamp for testing the voltage and the internal resistance of a hydrogen fuel cell stack, which solves the problem that the internal voltage and the internal resistance of the fuel cell can influence the testing result of the internal voltage and the internal resistance of the hydrogen fuel cell due to static electricity generated by the cell.
In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides a hydrogen cell stack voltage and internal resistance test fixture, includes the base, the bottom of the top fixedly connected with fixed establishment of base, one side of fixed establishment of institution is equipped with protection machanism, the top of protection machanism bottom fixedly connected with base, the bottom of the top fixedly connected with switching mechanism of protection machanism, fixed establishment of institution includes fixed guide block, the bottom of the top fixedly connected with base of fixed guide block, the one end of the both sides fixedly connected with guide spring of fixed guide block, the inboard of case is placed to the other end fixedly connected with hydrogen cell of guide spring, the inside of guide spring is equipped with fixed guide rod, the both sides of the one end fixedly connected with fixed guide block of fixed guide rod, the other end of fixed guide rod runs through the outside of case is placed to the hydrogen cell, and sliding connection, the one end of the first electrode pair splicing block of inboard fixedly connected with of case, the one end of the one side fixedly connected with guide electrode butt joint wire of first electrode pair splicing block, the one end fixedly connected with second electrode pair splicing block of guide wire, the bottom of second butt joint block has the bottom of second electrode butt joint block.
Preferably, the protection machanism includes the static protection casing, there is the outer wall of static protection shell the inside of static protection casing through ball roll connection, the inside fixedly connected with of static protection shell has the outer wall of position butt joint board, the inside fixedly connected with of position butt joint board is conductive to block the one end of dead spring, the other end fixedly connected with conductive to block the one end of dead spring, the outside of conductive to block the inside sliding connection of dead piece and position butt joint board, one side of position butt joint board is equipped with connects the conductive block, the inside of the outer wall fixed connection static protection shell of connection conductive block.
Preferably, the switching mechanism comprises a measurement switching bin, two ends of a first sliding rod are fixedly connected to the inside of the measurement switching bin, the outside of the first sliding rod is slidably connected with the inside of the measurement additional resistor, a second sliding rod is arranged at the bottom of the first sliding rod, the two ends of the second sliding rod are fixedly connected with the inside of the measurement switching bin, a first electrode guide block and a second electrode guide block are arranged at the bottom of the measurement switching bin, the tops of the first electrode guide block and the second electrode guide block penetrate through the inside of the measurement switching bin and are slidably connected with the outside of the second sliding rod, and a voltage guide block and a current guide block are fixedly connected to the top of the measurement switching bin.
Preferably, the inside swing joint of case is placed to hydrogen fuel cell has the outside of hydrogen fuel cell, the inside swing joint of first electrode butt joint piece has the electrode piece at hydrogen fuel cell top, the outside swing joint of second electrode butt joint piece has the inboard of position butt joint board, the one end of connecting the conducting block is through the one end of fixed block fixedly connected with slide bar, the outside sliding connection of slide bar has the one end of test paster, the outside of another laminating connection of test paster has the coil, the outside of the inside fixedly connected with slide drum of coil, the inboard of fixed block fixedly connected with protection machanism is passed through at the both ends of slide drum, the one end fixedly connected with other side of slide drum connects the conducting block, the bottom in storehouse is switched in the top through fixed block fixedly connected with measurement of static protection casing.
Preferably, the first electrode butt joint piece includes electrode butt joint piece shell, the inside of electrode butt joint piece shell is equipped with electrode butt joint piece splint, the outside fixedly connected with butt joint lead screw of electrode butt joint piece splint, the outside of electrode butt joint piece shell is run through to the other end of butt joint lead screw, and the outside of fixedly connected with butt joint pull ring, one side of electrode butt joint piece splint is equipped with the butt joint conducting block, the inside of the outer wall fixed connection electrode butt joint piece shell of butt joint conducting block.
Preferably, the first electrode butt joint block and the second electrode butt joint block have the same structure.
Preferably, one end of the conductive clamping block is in fit connection with the inside of the groove outside the butt joint conductive block.
Preferably, the top of the measurement switching bin is fixedly connected with the bottom of a voltmeter, one side of the voltmeter is provided with an ammeter, and the bottom of the ammeter is fixedly connected with the top of the measurement switching bin.
Advantageous effects
The invention provides a clamp for testing the voltage and the internal resistance of a hydrogen fuel cell stack. Compared with the prior art, the method has the following beneficial effects:
1. the utility model provides a hydrogen fuel cell stack voltage and internal resistance test fixture, including fixed guide block through fixed mechanism, the bottom of fixed guide block's top fixedly connected with base, the one end of fixed guide block's both sides fixedly connected with guide spring, the inboard of case is placed to the hydrogen fuel cell to the other end fixedly connected with guide spring, the inside of guide spring is equipped with fixed guide pole, the both sides of fixed guide block of one end fixedly connected with fixed guide pole, the other end of fixed guide pole runs through the outside of case is placed to the hydrogen fuel cell, and sliding connection, the one end of first electrode butt joint piece of inboard fixedly connected with of hydrogen fuel cell, the one end of the guide electrode butt joint wire of one side fixedly connected with of first electrode butt joint piece, the one end of guide electrode butt joint wire, the one end of second electrode butt joint piece bottom sliding connection has the top of base, the first electrode butt joint piece of case and hydrogen fuel cell's the two poles of electrode of being measured in the case are placed to the hydrogen fuel cell along fixed guide pole under the elasticity effect of guide spring, press butt joint rotation butt joint lead screw, make the inside of electrode splint clip two poles of the butt joint piece.
2. The utility model provides a hydrogen cell stack voltage and internal resistance test fixture, including the static protection casing through protection machanism, there is the outer wall of static protection casing inside through ball roll connection, the inside fixedly connected with position butt joint board of static protection casing has the outer wall of position butt joint board, the inside fixedly connected with of position butt joint board is conductive to block the one end of spring, the other end fixedly connected with of conductive to block the one end of spring, the outside of conductive to block and the inside sliding connection of position butt joint board, one side of position butt joint board is equipped with the connection conducting piece, the inside of connecting the static protection casing of outer wall fixed connection of connection conducting piece, the butt joint conducting piece makes the electric current flow in the inside of second electrode butt joint piece with the connection of guide electrode butt joint wire one end, the butt joint conducting piece of second electrode butt joint piece one end, insert the inside center of position butt joint board, make the one end of conductive to block tightly with the outside recess laminating of butt joint conducting piece, push away the static protection casing to second electrode butt joint piece, make the junction piece and protection machanism's junction.
3. The utility model provides a hydrogen fuel cell stack voltage and internal resistance test fixture, including measuring the switching storehouse through switching mechanism, the inside fixedly connected with first slide bar's of measuring the switching storehouse both ends, the outside sliding connection of first slide bar has the inside of measuring the additional resistance, the bottom of first slide bar is equipped with the second slide bar, the inside of the both ends fixed connection measurement switching storehouse of second slide bar, the bottom of measuring the switching storehouse is equipped with first electrode guide block and second electrode guide block, the top of first electrode guide block and second electrode guide block runs through the inside of measuring the switching storehouse, and with the outside sliding connection of second slide bar, the outside of measuring the switching storehouse fixedly connected with voltage guide block and electric current guide block links to each other with the one end of coil with the outside of connecting the conducting block, then link to each other the other end of first electrode guide block and second electrode guide block with the voltage guide block, start hydrogen fuel cell, the voltage that shows on the voltmeter just is hydrogen fuel cell's voltage.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a front view of the securing mechanism of the present invention;
FIG. 3 is a front view of the guard mechanism of the present invention;
FIG. 4 is a front view of a switching structure according to the present invention;
fig. 5 is a top view of the interior of the first electrode docking block of the present invention.
In the figure: 1. a base; 2. a fixing mechanism; 21. fixing the guide block; 22. fixing a guide rod; 23. a guide spring; 24. a first electrode butt joint block; 241. an electrode butt joint block housing; 242. electrode butt joint block clamping plate; 243. docking a screw rod; 244. a butt joint pull ring; 245. butting conductive blocks; 25. the guide electrode is abutted with the lead wire; 26. a second electrode butt joint block; 3. a protective mechanism; 31. an electrostatic shield; 32. an electrostatic protection housing; 33. a conductive latch block; 34. a position butt plate; 35. a conductive dead spring; 36. connecting the conductive blocks; 4. a switching mechanism; 41. measuring a switching bin; 42. a first slide bar; 43. a second slide bar; 44. a first electrode guide block; 45. a second electrode guide block; 46. measuring the additional resistance; 47. a current guide block; 48. a voltage guide block; 5. a hydrogen fuel cell; 6. a voltmeter; 7. a coil; 9. a slide bar; 10. testing the patch; 11. a hydrogen fuel cell placement box; 12. a slide cylinder; 13. an ammeter.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 2, the present invention provides a technical solution: the utility model provides a hydrogen cell stack voltage and internal resistance test fixture, the on-line screen storage device comprises a base 1, the bottom of the fixed establishment 2 of top fixedly connected with of base 1, one side of fixed establishment 2 is equipped with protection machanism 3, the top of protection machanism 3 fixedly connected with base 1, the bottom of the top fixedly connected with of protection machanism 34, fixed establishment 2 includes fixed guide block 21, the bottom of the top fixedly connected with base 1 of fixed guide block 21, the one end of the both sides fixedly connected with guide spring 23 of fixed guide block 21, the inboard of the other end fixedly connected with hydrogen cell placement case 11 of guide spring 23, the inside of guide spring 23 is equipped with fixed guide rod 22, the one end fixedly connected with both sides of fixed guide block 21 of fixed guide rod 22, the other end of fixed guide rod 22 runs through the outside of hydrogen cell placement case 11, and sliding connection, the inboard fixedly connected with first electrode pair of connecting blocks 24 of guide electrode pair of one side fixedly connected with wire 25, the other end fixedly connected with second electrode pair of connecting blocks 26 of guide electrode pair of one end of wire 25, the top of second electrode pair connecting blocks 26 of bottom 1 sliding connection of bottom 1.
Referring to fig. 3, the protection mechanism 3 includes an electrostatic protection cover 31, an outer wall of an electrostatic protection casing 32 is connected to an inner portion of the electrostatic protection cover 31 through rolling balls, an outer wall of a position butt plate 34 is fixedly connected to an inner portion of the electrostatic protection casing 32, a connecting hole is formed in the position butt plate 34, one end of a conductive clamping spring 35 is fixedly connected to an inner portion of the position butt plate 34, one end of a conductive clamping block 33 is fixedly connected to the other end of the conductive clamping spring 35, an outer portion of the conductive clamping block 33 is slidably connected to an inner portion of the position butt plate 34, a connecting conductive block 36 is arranged on one side of the position butt plate 34, and an outer wall of the connecting conductive block 36 is fixedly connected to an inner portion of the electrostatic protection casing 32.
Referring to fig. 4, the switching mechanism 4 includes a measuring switching bin 41, two ends of a first sliding rod 42 are fixedly connected to the inside of the measuring switching bin 41, an inside of an additional resistor 46 is measured in sliding connection with the outside of the first sliding rod 42, a second sliding rod 43 is arranged at the bottom of the first sliding rod 42, two ends of the second sliding rod 43 are fixedly connected to the inside of the measuring switching bin 41, a first electrode guide block 44 and a second electrode guide block 45 are arranged at the bottom of the measuring switching bin 41, and tops of the first electrode guide block 44 and the second electrode guide block 45 penetrate through the inside of the measuring switching bin 41 and are in sliding connection with the outside of the second sliding rod 43, and a voltage guide block 48 and an outside of a current guide block 47 are fixedly connected to the top of the measuring switching bin 41.
Referring to fig. 1, the hydrogen fuel cell 5 is movably connected to the inside of the hydrogen fuel cell placement box 11, the electrode block at the top of the hydrogen fuel cell 5 is movably connected to the inside of the first electrode butt joint block 24, the inside of the position butt joint plate 34 is movably connected to the outside of the second electrode butt joint block 26, one end of the connecting conductive block 36 is fixedly connected to one end of the sliding rod 9 through a fixing block, one end of the testing patch 10 is slidably connected to the outside of the sliding rod 9, the other end of the testing patch 10 is fixedly connected to the outside of the coil 7, the inside of the coil 7 is fixedly connected to the outside of the sliding cylinder 12, two ends of the sliding cylinder 12 are fixedly connected to the inside of the protection mechanism 3 through fixing blocks, one end of the sliding cylinder 12 is fixedly connected to the connecting conductive block 36 at the other side, and the top of the electrostatic protection cover 31 is fixedly connected to the bottom of the measurement switching bin 41 through a fixing block.
Referring to fig. 5, the first electrode butt joint block 24 includes an electrode butt joint block housing 241, an electrode butt joint block clamping plate 242 is disposed in the electrode butt joint block housing 241, one end of a butt joint screw 243 is fixedly connected to the outer portion of the electrode butt joint block clamping plate 242, the other end of the butt joint screw 243 penetrates through the outer portion of the electrode butt joint block housing 241 and is fixedly connected with the outer portion of a butt joint pull ring 244, a butt joint conductive block 245 is disposed on one side of the electrode butt joint block clamping plate 242, and the outer wall of the butt joint conductive block 245 is fixedly connected to the inner portion of the electrode butt joint block housing 241.
The first electrode pair connection block 24 and the second electrode pair connection block 26 have the same structure, one end of the conductive clamping block 33 is connected with the inside of the groove outside the butt joint conductive block 245 in a fit mode, the top of the measurement switching bin 41 is fixedly connected with the bottom of the voltmeter 6, one side of the voltmeter 6 is provided with the ammeter 13, and the bottom of the ammeter 13 is fixedly connected with the top of the measurement switching bin 41.
When in use, the guide spring 23 in the hydrogen fuel cell placing box 11 is pulled open along the two ends of the fixed guide rod 22, then the hydrogen fuel cell 5 is placed in the hydrogen fuel cell placing box 11, the hydrogen fuel cell placing box 11 is loosened, the first electrode butt joint block 24 measured in the hydrogen fuel cell placing box 11 is connected with the two poles of the hydrogen fuel cell 5 along the fixed guide rod 22 under the action of the elastic force of the guide spring 23, the butt joint lead screw 243 is rotated by pressing the butt joint pull ring 244, the two poles of the hydrogen fuel cell 5 are clamped in the electrode butt joint block clamping plate 242, the current flows into the second electrode butt joint block 26 through the connection between the butt joint conductive block 245 and one end of the guide electrode butt joint lead 25, the butt joint conductive block 245 at one end of the second electrode butt joint block 26 is inserted into the center of the inside of the position butt joint plate 34, one end of the conductive locking block 33 is tightly attached to a groove outside the butt joint conductive block 245, when the electrostatic protection cover 31 is pushed to the second electrode butt joint block 26, the joint of the second electrode butt joint block 26 and the protection mechanism 3 is not interfered by static electricity, when the voltage of the hydrogen fuel cell 5 is to be detected, one end of the first electrode guide block 44 is connected with the outer side of the connecting conductive block 36, one end of the second electrode guide block 45 is connected with the outer side of the connecting conductive block 36 and one end of the coil 7, then the other ends of the first electrode guide block 44 and the second electrode guide block 45 are connected with the voltage guide block 48, the hydrogen fuel cell 5 is started, the voltage displayed on the voltmeter 6 is the voltage of the hydrogen fuel cell 5, when the internal resistance of the hydrogen fuel cell 5 is to be detected, the fixing mechanism 2 is separated from the protection mechanism 3 at first, the measuring additional resistance 46 is moved to one end of the voltage 48 on the first slide bar 42, the resistance inside the hydrogen fuel cell 5 is detected by connecting the measuring resistor 46 to the ammeter 13 in series through the conductive block, connecting the other end of the first electrode lead 44 to one end of the measuring resistor 46, connecting the other end of the second electrode lead 45 to one end of the current lead 47, connecting one end of the second electrode lead 45 to the outside of the connecting conductive block 36, connecting one end of the first electrode lead 44 to the outside of the butt conductive block 245, and sliding the test patch 10 a plurality of times.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a hydrogen cell stack voltage and internal resistance test fixture, includes base (1), its characterized in that, the bottom of fixed establishment (2) is fixedly connected with at the top of base (1), one side of fixed establishment (2) is equipped with protection machanism (3), the top of protection machanism (3) bottom fixedly connected with base (1), the bottom of the top fixedly connected with shifter (4) of protection machanism (3), fixed establishment (2) include fixed guide block (21), the bottom of fixed guide block (21) is fixedly connected with base (1) in top, the one end of guide spring (23) is fixedly connected with in both sides of fixed guide block (21), the inboard of hydrogen cell placement box (11) is fixedly connected with in the other end of guide spring (23), the inside of guide spring (23) is equipped with fixed guide bar (22), the both sides of fixed guide bar (22) are fixedly connected with fixed guide block (21), the other end of fixed guide bar (22) runs through the outside of hydrogen cell placement box (11), and the one end of electrode pair (24) is connected with the outside of fixed guide block (24) of electrode pair (24) in a butt joint, the other end of the guide electrode butt joint lead (25) is fixedly connected with one end of a second electrode butt joint block (26), and the bottom of the second electrode butt joint block (26) is connected with the top of the base (1) in a sliding manner;
the protection mechanism (3) comprises an electrostatic protection cover (31), wherein the inside of the electrostatic protection cover (31) is connected with the outer wall of an electrostatic protection shell (32) through rolling balls, the inside of the electrostatic protection shell (32) is fixedly connected with the outer wall of a position butt joint plate (34), a connecting hole is formed in the position butt joint plate (34), one end of a conductive clamping spring (35) is fixedly connected with the inside of the position butt joint plate (34), one end of a conductive clamping block (33) is fixedly connected with the other end of the conductive clamping spring (35), the outside of the conductive clamping block (33) is in sliding connection with the inside of the position butt joint plate (34), one side of the position butt joint plate (34) is provided with a connecting conductive block (36), and the outer wall of the connecting conductive block (36) is fixedly connected with the inside of the electrostatic protection shell (32);
the switching mechanism (4) comprises a measurement switching bin (41), two ends of a first sliding rod (42) are fixedly connected to the inside of the measurement switching bin (41), the outside of the first sliding rod (42) is connected with the inside of an additional resistor (46) in a sliding mode, a second sliding rod (43) is arranged at the bottom of the first sliding rod (42), two ends of the second sliding rod (43) are fixedly connected with the inside of the measurement switching bin (41), a first electrode guide block (44) and a second electrode guide block (45) are arranged at the bottom of the measurement switching bin (41), the tops of the first electrode guide block (44) and the second electrode guide block (45) penetrate through the inside of the measurement switching bin (41) and are connected with the outside of the second sliding rod (43), and the top of the measurement switching bin (41) is fixedly connected with the outside of a voltage guide block (48) and a current guide block (47).
2. The hydrogen fuel cell stack voltage and internal resistance test fixture according to claim 1, wherein: the inside swing joint of case (11) is placed to hydrogen fuel cell has the outside of hydrogen fuel cell (5), the inside swing joint of first electrode pair splicing block (24) has the electrode piece at hydrogen fuel cell (5) top, the outside swing joint of second electrode pair splicing block (26) has the inboard of position butt joint board (34), the one end of connecting conducting block (36) is through the one end of fixed block fixedly connected with slide bar (9), the outside sliding connection of slide bar (9) has the one end of test paster (10), the outside of coil (7) is connected with in another laminating of test paster (10), the outside of inside fixedly connected with slide (12) of coil (7), the inboard of both ends through fixed block fixedly connected with protection machanism (3) of slide (12), the one end fixedly connected with opposite side of slide (12) is connected with conducting block (36), the bottom of measuring switch storehouse (41) is passed through to the top of static protection casing (31).
3. The hydrogen fuel cell stack voltage and internal resistance test fixture according to claim 1, wherein: the first electrode butt joint piece (24) comprises an electrode butt joint piece shell (241), an electrode butt joint piece clamping plate (242) is arranged in the electrode butt joint piece shell (241), one end of a butt joint screw rod (243) is fixedly connected to the outside of the electrode butt joint piece clamping plate (242), the other end of the butt joint screw rod (243) penetrates through the outside of the electrode butt joint piece shell (241), the outside of a butt joint pull ring (244) is fixedly connected, a butt joint conductive block (245) is arranged on one side of the electrode butt joint piece clamping plate (242), and the outer wall of the butt joint conductive block (245) is fixedly connected with the inside of the electrode butt joint piece shell (241).
4. A hydrogen fuel cell stack voltage and internal resistance test fixture according to claim 3, wherein: the first electrode butt joint block (24) and the second electrode butt joint block (26) have the same structure.
5. A hydrogen fuel cell stack voltage and internal resistance test fixture according to claim 3, wherein: one end of the conductive clamping block (33) is connected with the inside of the groove outside the butt joint conductive block (245) in a fitting mode.
6. The hydrogen fuel cell stack voltage and internal resistance test fixture according to claim 2, wherein: the top of measurement switching bin (41) fixedly connected with voltmeter (6) is bottom, voltmeter (6) one side is equipped with ampere meter (13), the bottom fixedly connected with of ampere meter (13) measures the top of switching bin (41).
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| CN102967733A (en) * | 2012-10-19 | 2013-03-13 | 华中科技大学 | Solid oxide fuel cell (SOFC) button type cell testing clamp and assembling method thereof |
| CN105116229A (en) * | 2015-07-21 | 2015-12-02 | 中国船舶重工集团公司第七一二研究所 | Fuel cell resistance measuring device |
| CN107894569A (en) * | 2017-10-12 | 2018-04-10 | 中国科学院长春应用化学研究所 | A kind of fuel cell pile voltage and inner walkway fixture |
| CN209690358U (en) * | 2019-01-18 | 2019-11-26 | 天津品思途科技有限公司 | A kind of lithium battery voltage inner walkway equipment |
| CN210403810U (en) * | 2019-07-25 | 2020-04-24 | 常州实力电源科技有限公司 | Lithium-manganese battery convenient to installation |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101655177B1 (en) * | 2014-12-08 | 2016-09-07 | 현대자동차 주식회사 | Activation apparatus of fuel cell stack |
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2020
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102967733A (en) * | 2012-10-19 | 2013-03-13 | 华中科技大学 | Solid oxide fuel cell (SOFC) button type cell testing clamp and assembling method thereof |
| CN105116229A (en) * | 2015-07-21 | 2015-12-02 | 中国船舶重工集团公司第七一二研究所 | Fuel cell resistance measuring device |
| CN107894569A (en) * | 2017-10-12 | 2018-04-10 | 中国科学院长春应用化学研究所 | A kind of fuel cell pile voltage and inner walkway fixture |
| CN209690358U (en) * | 2019-01-18 | 2019-11-26 | 天津品思途科技有限公司 | A kind of lithium battery voltage inner walkway equipment |
| CN210403810U (en) * | 2019-07-25 | 2020-04-24 | 常州实力电源科技有限公司 | Lithium-manganese battery convenient to installation |
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