WO2022145947A1 - 연료전지용 가습기 - Google Patents
연료전지용 가습기 Download PDFInfo
- Publication number
- WO2022145947A1 WO2022145947A1 PCT/KR2021/020008 KR2021020008W WO2022145947A1 WO 2022145947 A1 WO2022145947 A1 WO 2022145947A1 KR 2021020008 W KR2021020008 W KR 2021020008W WO 2022145947 A1 WO2022145947 A1 WO 2022145947A1
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- WO
- WIPO (PCT)
- Prior art keywords
- sealant
- packing member
- external
- case
- potting layer
- Prior art date
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- 239000000446 fuel Substances 0.000 title claims abstract description 100
- 238000012856 packing Methods 0.000 claims abstract description 275
- 239000012528 membrane Substances 0.000 claims abstract description 64
- 239000012510 hollow fiber Substances 0.000 claims abstract description 50
- 239000012530 fluid Substances 0.000 claims abstract description 6
- 238000004891 communication Methods 0.000 claims abstract description 5
- 239000000565 sealant Substances 0.000 claims description 182
- 238000004382 potting Methods 0.000 claims description 141
- 230000000903 blocking effect Effects 0.000 claims description 92
- 238000007789 sealing Methods 0.000 claims description 87
- 238000003825 pressing Methods 0.000 claims description 31
- 238000000034 method Methods 0.000 claims description 26
- 238000005192 partition Methods 0.000 claims description 22
- 230000009969 flowable effect Effects 0.000 claims description 8
- 238000000638 solvent extraction Methods 0.000 claims description 3
- 230000003014 reinforcing effect Effects 0.000 claims 1
- 239000007789 gas Substances 0.000 description 91
- 239000007788 liquid Substances 0.000 description 24
- 229920005989 resin Polymers 0.000 description 20
- 239000011347 resin Substances 0.000 description 20
- 238000005266 casting Methods 0.000 description 9
- 229920001971 elastomer Polymers 0.000 description 9
- 238000002156 mixing Methods 0.000 description 9
- 239000005518 polymer electrolyte Substances 0.000 description 9
- 229920005749 polyurethane resin Polymers 0.000 description 7
- 230000008878 coupling Effects 0.000 description 6
- 238000010168 coupling process Methods 0.000 description 6
- 238000005859 coupling reaction Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 239000012779 reinforcing material Substances 0.000 description 6
- 230000005489 elastic deformation Effects 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000001035 drying Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000806 elastomer Substances 0.000 description 4
- 239000004850 liquid epoxy resins (LERs) Substances 0.000 description 4
- 229920002050 silicone resin Polymers 0.000 description 4
- 239000007791 liquid phase Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 239000002033 PVDF binder Substances 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 229920002492 poly(sulfone) Polymers 0.000 description 2
- 229920002239 polyacrylonitrile Polymers 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- 239000004962 Polyamide-imide Substances 0.000 description 1
- 239000004695 Polyether sulfone Substances 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229920003055 poly(ester-imide) Polymers 0.000 description 1
- 229920002312 polyamide-imide Polymers 0.000 description 1
- 229920006393 polyether sulfone Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000009719 polyimide resin Substances 0.000 description 1
- 229920006254 polymer film Polymers 0.000 description 1
- 229920005597 polymer membrane Polymers 0.000 description 1
- 230000036647 reaction Effects 0.000 description 1
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Images
Classifications
-
- 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
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04089—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
- H01M8/04119—Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyte; Humidifying or dehumidifying
Definitions
- the present invention relates to a humidifier for a fuel cell for supplying humidified gas to the fuel cell.
- fuel cells can produce electricity continuously as long as hydrogen and oxygen are supplied, and there is no heat loss, so the efficiency is about twice that of an internal combustion engine.
- the fuel cell has the advantage of being environmentally friendly and reducing concerns about resource depletion due to increased energy consumption.
- PEMFC Polymer Electrolyte Membrane Fuel Cell
- PAFC Phosphoric Acid Fuel Cell
- MCFC Molten Carbonate Fuel Cell
- SOFC Solid Oxide Fuel Cell
- AFC Alkaline Fuel Cell
- PEMFC polymer electrolyte fuel cell
- PEMFC polymer electrolyte fuel cell
- MEA membrane-electrode assembly
- a bubbler humidification method in which water is supplied by passing a target gas through a diffuser after filling a pressure-resistant container with water, 2) the amount of supplied water required for fuel cell reaction
- a direct injection method in which moisture is calculated and directly supplying moisture to a gas flow pipe through a solenoid valve
- 3) a humidification membrane method in which moisture is supplied to a fluidized bed of gas using a polymer membrane.
- the membrane humidification method of humidifying the polymer electrolyte membrane by providing water vapor to the air supplied to the polymer electrolyte membrane using a membrane that selectively transmits only water vapor contained in the exhaust gas is advantageous in that the humidifier can be reduced in weight and size.
- the selective permeable membrane used in the membrane humidification method is preferably a hollow fiber membrane having a large permeation area per unit volume when forming a module. That is, when a humidifier is manufactured using a hollow fiber membrane, the high integration of the hollow fiber membrane with a large contact surface area is possible, so that the fuel cell can be sufficiently humidified even with a small capacity, low-cost materials can be used, and the fuel cell discharges at high temperature. It has the advantage that it can be reused through a humidifier by recovering moisture and heat contained in the off-gas.
- FIG. 1 is a schematic exploded perspective view of a conventional fuel cell humidifier.
- the humidifier 100 of a conventional membrane humidification method has a humidification module 110 in which moisture exchange occurs between air supplied from the outside and exhaust gas discharged from a fuel cell stack (not shown) and the humidification. It includes caps 120 coupled to both ends of the module 110 .
- One of the caps 120 transfers air supplied from the outside to the humidification module 110 , and the other transfers air humidified by the humidification module 110 to the fuel cell stack.
- the humidification module 110 includes a mid-case 111 having an off-gas inlet 111a and an off-gas outlet 111b, and the It includes a plurality of hollow fiber membranes 112 in the mid-case 111 . Both ends of the bundle of the hollow fiber membranes 112 are potted in the hard potting part 113 .
- the hard potting part 113 is generally formed by curing a liquid polymer such as a liquid polyurethane resin through a casting method.
- the hard potting part 113 in which the ends of the hollow fiber membranes 112 are potted and the resin layer between the hard potting part 113 and the mid-case 111 ( 114 blocks the inner spaces of the caps 120 from the inner spaces of the mid-case 111 .
- the resin layer 114 is generally formed by curing a liquid polymer such as a liquid polyurethane resin through a casting method.
- the present invention has been devised to solve the above problems, and to provide a humidifier for a fuel cell that can prevent the productivity of the humidifier from being lowered due to the formation of a resin layer through a casting process.
- the present invention may include the following configuration.
- the present invention provides a humidification module for humidifying dry gas supplied from the outside using the wet gas discharged from the fuel cell stack; and a first cap coupled to one end of the humidifying module.
- the humidification module is a mid-case (mid-case) that both ends are open; and at least one cartridge (Cartridge) disposed in the mid-case and including a plurality of hollow fiber membranes.
- the cartridge may include an inner case having both ends open and containing the hollow fiber membranes, and a first potting layer for potting one end of the hollow fiber membranes.
- the humidifier for a fuel cell according to the first embodiment of the present invention is airtightly coupled to one end of the humidifying module through mechanical assembly so that the humidifying module can fluidly communicate only with the hollow fiber membranes of the first cap (Air tightly) coupled) a first packing member; a first sealing part sealing the space between the first packing member and the first potting layer; and a first blocking part coupled to the first packing member to limit a distance through which the first sealing part can flow, wherein the first sealing part is the first packing member and the first with respect to the first packing member. It may be disposed in at least one of the first external space between the caps and the internal space disposed on the opposite side of the first external space.
- the humidifier for fuel cell according to the second embodiment of the present invention is a first air tightly coupled to one end of the humidification module through mechanical assembly so that the first cap can communicate with only the hollow fiber membranes in fluid communication. packing member; and a first sealant sealing between the first packing member and the cartridge in the inner space disposed on the mid-case side based on the first packing member.
- the first packing member includes a first inner groove for accommodating the first sealant, a first blocking member disposed on one side of the first inner groove, and a first partition member disposed on the other side of the first inner groove wherein the first blocking member protrudes toward the inner space by a length longer than that of the first inner groove, and the first sealant is located in the first inner groove, so that the first blocking member and the first It is possible to seal between the potting layers.
- the present invention is implemented so that the casting process for sealing the inner space of the cap and the inner space of the mid-case can be omitted. Accordingly, the present invention can increase productivity by shortening the process time for production.
- the sealing force can be strengthened to prevent direct mixing of the drying gas and the wet gas by sealing a gap that may be formed around the cartridge. Therefore, the present invention can improve the stability of the humidifying process of humidifying the dry gas.
- the present invention by implementing a protruding structure in the sealant, it is possible to additionally secure a sealing area through the sealant. Accordingly, the present invention can further strengthen the sealing force by the sealant.
- FIG. 1 is a schematic exploded perspective view of a conventional fuel cell humidifier
- FIG. 2 is a schematic exploded perspective view of a humidifier for a fuel cell according to the present invention
- FIG. 3 is a schematic exploded cross-sectional view showing a fuel cell humidifier according to the present invention taken along line I-I of FIG.
- FIG. 4 is a schematic cross-sectional view showing the fuel cell humidifier according to the present invention taken along line I-I of FIG. 2;
- 5 to 7 are schematic cross-sectional views illustrating an enlarged portion A of FIG. 4 ;
- FIG. 8 is a partial side cross-sectional view taken along line I-I of FIG. 2;
- FIG. 9 is a schematic cross-sectional view showing an enlarged portion A of FIG. 4 to explain the reinforcement of the present invention.
- FIG. 10 is a schematic exploded perspective view of an embodiment in which two cartridges are coupled to a mid-case in the humidifier for a fuel cell according to the present invention
- FIG. 11 is a schematic exploded perspective view of an embodiment in which three cartridges are coupled to a mid-case in the humidifier for a fuel cell according to the present invention
- FIG. 12 is a schematic exploded cross-sectional view illustrating a fuel cell humidifier according to the present invention taken along line I-I of FIG.
- FIG. 13 is a schematic cross-sectional view showing the fuel cell humidifier according to the present invention taken along line I-I of FIG. 2;
- FIG. 14 is a schematic cross-sectional view showing an enlarged portion B of FIG. 11 ;
- 15 is a partial exploded cross-sectional view showing a state before the first packing member, the cartridge, and the first sealant are combined with reference to the line I-I of FIG.
- 16 is a schematic cross-sectional view showing a state before the first packing member is coupled to the mid-case in the humidifier for a fuel cell according to the present invention
- 17 and 18 are schematic cross-sectional views showing a state in which the first packing member is coupled to the cartridge
- FIG. 19 is a schematic exploded perspective view of an embodiment in which two cartridges are coupled to a mid-case in the humidifier for a fuel cell according to the present invention
- FIG. 20 is a schematic exploded perspective view of an embodiment in which three cartridges are coupled to a mid-case in the humidifier for a fuel cell according to the present invention
- the humidifier 1 for a fuel cell humidifies the dry gas supplied from the outside using the wet gas discharged from the fuel cell stack (not shown). It is to do
- the drying gas may be fuel gas or air.
- the dry gas may be supplied to the fuel cell stack after being humidified by the wet gas.
- a fuel cell humidifier (1) according to the present invention includes a humidifying module (2) for humidifying dry gas, and a first cap (3) coupled to one end of the humidifying module (2).
- the humidification module 2 is a cartridge (Cartridge) 22 to which a plurality of hollow fiber membranes 221 are coupled, the cartridge 22 is coupled to a mid-case (Mid-case) 21 , and the cartridge 22 ) and the mid-case 21 is disposed between the cartridge 22 and the mid-case 21 includes a first packing member 23 for sealing.
- the first packing member 23 may seal between the cartridge 22 and the mid-case 21 through coupling without a casting process. Accordingly, the first packing member 23 may seal the inner space IS of the first cap 3 and the inner space IS of the mid-case 21 . Accordingly, in the fuel cell humidifier 1 according to the present invention, the casting process, which requires a relatively long process time, can be omitted, and thus productivity can be increased by shortening the process time for production.
- the humidification module 2 humidifies the dry gas supplied from the outside.
- the humidification module 2 may humidify the dry gas supplied from the outside using the wet gas discharged from the fuel cell stack.
- the first cap 3 may be coupled to one end of the humidification module 2 .
- a second cap 4 may be coupled to the other end of the humidification module 2 .
- the first cap 3 may deliver the dry gas to the humidification module 2 .
- the second cap 4 may deliver the dry gas humidified by the wet gas in the humidification module 2 to the fuel cell stack.
- the first cap 3 may deliver the humidification gas to the humidification module 2 .
- the second cap 4 may discharge the wet gas after humidifying the dry gas in the humidification module 2 to the outside.
- the humidification module 2 may include the cartridge 22 , the mid-case 21 , and the first packing member 23 .
- the cartridge 22 includes a plurality of the hollow fiber membrane 221 .
- the hollow fiber membranes 221 may be implemented as the cartridge 22 to be modularized. Accordingly, through the process of coupling the cartridge 22 to the mid-case 21 , the hollow fiber membranes 221 may be installed inside the mid-case 21 . Accordingly, the fuel cell humidifier 1 according to the present invention can improve the ease of installation, separation, and replacement of the hollow fiber membranes 221 .
- the cartridge 22 may include an inner case 222 accommodating the hollow fiber membranes 221 .
- the hollow fiber membranes 221 may be disposed inside the inner case 222 to be modularized.
- the hollow fiber membranes 221 are polysulfone resin, polyethersulfone resin, sulfonated polysulfone resin, polyvinylidene fluoride (PVDF) resin, polyacrylonitrile (PAN) resin, polyimide resin, polyamideimide resin, It may include a polymer film formed of a polyester imide resin, or a mixture of two or more thereof.
- the cartridge 22 may include a first potting layer 223 and a second potting layer 224 .
- the first potting layer 223 and the second potting layer 224 are potted at the distal ends of the plurality of hollow fiber membranes 221 , and close the opening of the inner case 222 .
- One side of the plurality of hollow fiber membranes 221 may be fixed by the first potting layer 223
- the other side of the plurality of hollow fiber membranes 221 may be fixed by the second potting layer 224 .
- the first potting layer 223 and the second potting layer 224 may be formed by curing a liquid resin such as a liquid polyurethane resin through a casting process.
- the first potting layer 223 and the second potting layer 224 may fix distal ends of the plurality of hollow fiber membranes 221 and the inner case 222 .
- the first potting layer 223 and the second potting layer 224 may be formed so as not to block the hollows of the plurality of hollow fiber membranes 221 . Accordingly, the dry gas or wet gas supplied from the outside can be supplied into the hollows of the hollow fiber membranes 221 without interfering with the first potting layer 223 and the second potting layer 224, and The first potting layer 223 and the second potting layer 224 may flow out of the hollow of the hollow fiber membranes 221 without being disturbed.
- the cartridge 22 may include an inlet hole (not shown) and an outlet hole (not shown) formed in the inner case 222 .
- the inlet hole is for introducing a wet gas or a dry gas into the inner case 222 .
- the inlet hole may be formed through the inner case 222 .
- the outlet hole may discharge the wet gas or the dry gas from the inside of the inner case 222 to the outside.
- the mid-case 21 is to which the cartridge 22 is coupled.
- the mid-case 21 may include a receiving hole 211 for accommodating the cartridge 22 therein.
- the receiving hole 211 may be disposed inside the mid-case 21 .
- the cartridge 22 is inserted into the receiving hole 211 so as to provide a space between the inner surface of the mid-case 21 and the outer surface of the cartridge 22 , and is disposed inside the mid-case 21 . can be
- An inlet 212 and an outlet 213 may be formed at one side of the mid-case 21 .
- the inlet 212 may introduce a wet gas or a dry gas into the mid-case 21 .
- the outlet 213 may discharge a wet gas or a dry gas from the inside of the mid-case 21 .
- the inlet 212 , the outlet 213 , and the mid-case 21 may be integrally formed.
- the wetting gas flows through the inlet 212 and the outlet 213 , the wetting gas is supplied between the inner surface of the mid-case 21 and the outer surface of the inner case 222 through the inlet 212 . and may be supplied into the inner case 222 through the inlet hole to contact the outer surfaces of the hollow fiber membranes 221 .
- moisture contained in the wet gas penetrates the hollow fiber membranes 221 , thereby humidifying the dry gas flowing along the hollows of the hollow fiber membranes 221 .
- the humidified dry gas may be supplied to the fuel cell stack through the second cap 4 after flowing out from the hollow fiber membranes 221 .
- the wet gas flows out between the outer surface of the inner case 222 and the inner surface of the mid-case 21 through the outlet hole, and the mid-case ( 21) can be leaked to the outside.
- the inlet 212 may be connected to the fuel cell stack to receive the wet gas.
- the wet gas may be off-gas discharged from the fuel cell stack.
- the drying gas flows through the inlet 212 and the outlet 213 , the drying gas is supplied between the inner surface of the mid-case 21 and the outer surface of the inner case 222 through the inlet 212 . and may be supplied into the inner case 222 through the inlet hole to contact the outer surfaces of the hollow fiber membranes 221 .
- moisture contained in the wet gas penetrates the hollow fiber membranes 221 , thereby humidifying the dry gas flowing into the inner case 222 .
- the humidified dry gas flows out between the outer surface of the inner case 222 and the inner surface of the mid-case 21 through the outlet hole, and out of the mid-case 21 through the outlet 213 After it flows out, it may be supplied to the fuel cell stack.
- the wet gas may flow out from the hollow fiber membranes 221 and then be discharged to the outside through the second cap 4 .
- the first cap 3 may be connected to the fuel cell stack to receive the wet gas.
- the wet gas may be off-gas discharged from the fuel cell stack.
- the first packing member 23 seals between the cartridge 22 and the mid-case 21 .
- the first packing member 23 may prevent direct mixing of the dry gas and the wet gas.
- the first packing member 23 may be disposed between the cartridge 22 and the mid-case 21 .
- the cartridge 22 may be inserted into the first through hole 231 formed in the first packing member 23 .
- the first packing member 23 may be sealed between the cartridge 22 and the mid-case 21 by being in close contact with the cartridge 22 .
- the size of the cartridge 22 may be formed larger than the first through hole 231 . Accordingly, the cartridge 22 may be inserted into the first through hole 231 in a press fit manner.
- the first packing member 23 may be formed of a material capable of elastic deformation.
- the first packing member 23 may be formed of rubber.
- the first packing member 23 may be formed in a ring shape to seal between the cartridge 22 and the mid-case 21, but is not limited thereto, and the first packing member 23 is the cartridge If it can seal between the 22 and the mid-case 21, it may be formed in a different shape.
- the fuel cell humidifier 1 may include various embodiments with respect to a structure for sealing between the cartridge 22 and the mid-case 21 .
- a structure for sealing between the cartridge 22 and the mid-case 21 will be described in detail with reference to the accompanying drawings.
- the humidifier 1 for a fuel cell according to the first embodiment may include a first sealing part 240 and a first blocking part 260 .
- the first sealing part 240 seals between the first packing member 23 and the first potting layer 223 .
- the sealing part 240 includes a first external space OS and the first external space between the first packing member 23 and the first cap 3 based on the first packing member 23 . It may be disposed in at least one of the internal spaces IS disposed on the opposite side of the OS.
- the first sealing part 240 may be disposed in the first external space OS to seal between the first packing member 23 and the first potting layer 223 .
- the first sealing part 240 may be disposed in the inner space IS to seal between the first packing member 23 and the first potting layer 223 .
- the first sealing part 240 is disposed in both the external space OS and the internal space IS to form a space between the first packing member 23 and the first potting layer 223 in the external space OS. ) and the inner space (IS), respectively, may be sealed.
- the first cap 3 is the hollow fiber membrane ( 221), in addition to improving the easiness of manufacture for a structure that seals between the first cap 3 and the first potting layer 223 so as to communicate only with the first sealing part 240, A structure for sealing the space between the first cap 3 and the first potting layer 223 by preventing the fluid from moving through the gap formed between the first packing member 23 and the first potting layer 223 .
- the sealing part 240 is a liquid resin selected from the group consisting of a liquid polyurethane resin, a liquid silicone resin, a liquid epoxy resin, a liquid elastomer resin, and a combination thereof, and after being applied to the first packing member 23 , the first When the packing member 23 is disposed between the cartridge 22 and the mid-case 21 , it may be cured to seal between the first potting layer 223 and the first packing member 23 . After the first packing member 23 is disposed between the cartridge 22 and the mid-case 21 , the sealing part 240 is formed between the first potting layer 223 and the first packing member 23 . ) is applied and cured to fill the gap between the cartridge 22 and the mid-case 21 , thereby sealing between the cartridge 22 and the mid-case 21 .
- the first sealing part 240 when the first sealing part 240 is implemented to be disposed in the first external space OS, the first sealing part 240 is the first external sealant 24 ) may be included.
- the first external sealant 24 seals between the first potting layer 223 and the first packing member 23 in the first external space OS.
- the first external sealant 24 may seal between the first packing member 23 and the first potting layer 223 in the external space OS.
- the first external sealant 24 may be disposed to face the first external space OS with respect to the first packing member 23 .
- the first external sealant 24 is a gap formed between the first potting layer 223 and the first packing member 23 as the cartridge 22 is inserted into the first through hole 231 . It can be cured after being applied to it. Accordingly, the first external sealant 24 seals the gap formed between the first packing member 23 and the first potting layer 223 in the first external space OS, thereby forming the first packing member.
- the first external sealant 24 is a liquid resin selected from the group consisting of a liquid polyurethane resin, a liquid silicone resin, a liquid epoxy resin, a liquid elastomer resin, and a combination thereof after being applied to the first packing member 23
- the first packing member 23 is disposed between the cartridge 22 and the mid-case 21 , it is cured to form a first potting layer 223 and the first packing member in the first external space OS. (23) can be sealed between.
- the first external sealant 24 is formed between the first potting layer 223 and the first packing after the first packing member 23 is disposed between the cartridge 22 and the mid-case 21 . It may be sealed between the cartridge 22 and the mid-case 21 by being coated and cured to fill the gap between the members 23 .
- the first sealing part 240 when the first sealing part 240 is implemented to be disposed in the internal space IS, the first sealing part 240 may seal the first internal sealant 25 .
- the first sealing part 240 may seal the first internal sealant 25 .
- the first internal sealant 25 seals between the first potting layer 223 and the first packing member 23 in the first internal space IS.
- the first internal sealant 25 is formed with the first packing member 23 and the first packing member 23 in the internal space IS disposed on the opposite side of the first external space OS with respect to the first packing member 23 as a reference. It seals between the first potting layers 223 .
- the first internal sealant 25 may be disposed to face the inside of the mid-case 21 with respect to the first packing member 23 .
- the first internal sealant 25 is a gap formed between the first potting layer 223 and the first packing member 23 as the cartridge 22 is inserted into the first through hole 231 . It can be cured after being applied to it.
- the first internal sealant 25 seals the gap formed between the first packing member 23 and the first potting layer 223 in the internal space IS, thereby forming the first packing member 23 ) and the first potting layer 223 , it is possible to prevent professional mixing of the dry gas and the wet gas.
- the first internal sealant 25 is a liquid resin selected from the group consisting of a liquid polyurethane resin, a liquid silicone resin, a liquid epoxy resin, a liquid elastomer resin, and a combination thereof after being applied to the first packing member 23 When the first packing member 23 is disposed between the cartridge 22 and the mid-case 21, it is cured and between the cartridge 22 and the first packing member 23 in the inner space IS. can be sealed.
- the first internal sealant 25 is formed between the cartridge 22 and the mid-case 21 after the first packing member 23 is disposed between the cartridge 22 and the mid-case 21 . It may be sealed between the cartridge 22 and the mid-case 21 by being coated and cured to fill the gap between them.
- the first sealing part 240 when the first sealing part 240 is implemented to be disposed in both the first external space OS and the first internal space IS, the first sealing part 240 ) may include both the first external sealant 24 and the first internal sealant 25 . Accordingly, the fuel cell humidifier 1 according to the first embodiment can achieve the following effects.
- the sealing force between the first packing member 23 and the cartridge 22 may be strengthened.
- the first internal sealant ( 25) seals between the first packing member 23 and the first potting layer 223 in the inner space IS, so that a double sealing structure by a sealant can be implemented. Therefore, in the fuel cell humidifier 1 according to the first embodiment, the sealing area between the first packing member 23 and the first potting layer 223 can be increased by the sealant, so that the first The sealing force between the packing member 23 and the cartridge 22 can be further strengthened.
- first external sealant 24 and the first internal sealant 25 are applied in a liquid phase, a gap between the first packing member 23 and the first potting layer 223 is formed. It is possible to seal between the first packing member 23 and the first potting layer 223 irrespective of the size. Accordingly, in the operation for sealing the first packing member 23 and the cartridge 22 , the ability to respond to the shape of the first packing member 23 and the cartridge 22 can be improved.
- the humidification module 2 may include a first blocking unit 260 .
- the first blocking part 260 is coupled to the first packing member 23 to limit the movable distance of the first sealing part 240 .
- the first blocking part 260 may be coupled to the first packing member 23 so as to be positioned opposite the first potting layer 223 with respect to the first sealing part 240 . Accordingly, the first blocking part 260 is pressed by the first potting layer 223 or the first sealing part 240 is pressed by the first potting layer 223 while the first sealing part 240 is applied in a liquid phase and then cured. ) from flowing away from the first potting layer 223 due to its own weight, it is possible to prevent a decrease in sealing force through the first sealing part 240 .
- the first blocking part 260 may include a first external blocking part 26 and a first internal blocking part 27 .
- the first external blocking part 26 is for limiting the flowable distance of the first external sealant 24 .
- the first external blocking part 26 may be coupled to the first packing member 23 .
- the first internal blocking part 27 is for limiting the flowable distance of the first internal sealant 25 .
- the first internal blocking part 27 may be coupled to the first packing member 23 .
- the first internal blocking part 27 may be coupled to the first packing member 23 at a position spaced apart from the first external blocking part 26 .
- the first external blocking part 26 is coupled to a surface disposed on the side facing the first cap 3 from the first packing member 23, and the first internal blocking part 27 is the first 1 may be coupled to the surface disposed on the side facing the inner space (IS) in the packing member 23 as a reference.
- a plurality of first internal blocking portions 27 may be formed. In this case, the first internal blocking portions 27 may be disposed to be spaced apart along the first axis direction (X-axis direction).
- the first packing member 23 includes a first external groove 232 for accommodating the first external sealant 24 and a first internal groove 233 for accommodating the first internal sealant 25 .
- the first external groove 232 may be disposed between the first external blocking part 26 and the first potting layer 223 .
- the first external sealant 24 may be applied to be accommodated in the first external groove 232 and then cured. As the first external sealant 24 is accommodated in the first external groove 232 , the first external sealant 24 may be positioned between the first external blocking part 26 and the first potting layer 223 . As such, the first external sealant 24 may be applied along the first external groove 232 and cured to seal the space between the first packing member 23 and the first potting layer 223 . .
- the first external blocking part 26 may limit a distance through which the first external sealant 24 accommodated in the first external groove 232 can flow.
- the first external blocking part 26 may be coupled to the first packing member 23 so as to protrude from the first packing member 23 . Accordingly, the flow of the first external sealant 24 accommodated in the first external groove 232 may be restricted by the first external blocking part 26 .
- the first internal groove 233 may be disposed between the first internal blocking part 27 and the first potting layer 223 .
- the first internal sealant 25 may be applied to be accommodated in the first internal groove 233 and then cured.
- the first internal sealant 25 may be positioned between the first internal blocking part 27 and the first potting layer 223 .
- the first inner blocking portion 27 may be accommodated in the first inner groove 233 and cured to seal the space between the first packing member 23 and the first potting layer 223 .
- the first internal blocking part 27 may limit a distance through which the first internal sealant 25 accommodated in the first internal groove 233 can flow.
- the first inner blocking part 27 may be coupled to the first packing member 23 so as to protrude from the first packing member 23 . Accordingly, the flow of the first internal sealant 25 accommodated in the first internal groove 233 may be restricted by the first internal blocking part 27 .
- the fuel cell humidifier 1 according to the first embodiment can achieve the following effects.
- the first external groove 232 guides the path on which the first external sealant 24 is applied
- the first internal groove 233 guides the path on which the first internal sealant 25 is applied.
- the first external groove 232 and the first internal groove 233 accommodate the first external sealant 24 and the first internal sealant 25, respectively, so that the first external sealant Until the (24) and the first internal sealant (25) are cured, it is possible to restrict the flow out of the application position. Accordingly, as the first external sealant 24 and the first internal sealant 25 deviate from the application positions, a seal sealing between the first packing member 23 and the first potting layer 223 . It is possible to reduce the degree of deterioration of the runt ratio. Accordingly, the fuel cell humidifier 1 according to the present invention further improves the accuracy of the sealing operation through the sealant and increases the sealing efficiency by the sealant, thereby reducing the cost of the sealing operation using the sealant.
- the first external groove 232 and the first internal groove 233 may be formed in a hemispherical shape, but are not limited thereto, and the first external sealant 24 and the first internal sealant ( 25) can be accommodated in other shapes.
- the first outer groove 232 and the first inner groove 233 may be formed in a closed curve shape along a boundary where the first packing member 23 and the first potting layer 223 meet.
- the first external blocking part 26 is configured to limit a distance through which the first external sealant 24 accommodated in the first external groove 232 can flow.
- the first external blocking part 26 may be coupled to the first packing member 23 so as to protrude from the first packing member 23 . Accordingly, the flow of the first external sealant 24 accommodated in the first external groove 232 may be restricted by the first external blocking part 26 . Therefore, in the fuel cell humidifier 1 according to the first embodiment, the flow of the first external sealant 24 is restricted by using the first external blocking part 26 in addition to the first external groove 232 .
- the accuracy of the sealant application operation can be further improved, and the stability of the sealing operation through the first external sealant 24 can be further improved.
- the first external blocking part 26 may include a first external blocking member 261 and a first external partitioning member 262 .
- the first external blocking member 261 is for restricting the flow of the first external sealant 24 accommodated in the first external groove 232 . It may be formed to protrude from the first packing member 23 toward the first external space OS.
- the first external blocking member 261 may be disposed to surround the first external groove 232 .
- the first external sealant 24 may be disposed between the first external blocking member 261 and the first potting layer 223 . Accordingly, the flow of the first external sealant 24 accommodated in the first external groove 232 in a direction opposite to the direction toward the first potting layer 223 may be restricted.
- the first external partition member 262 is to reduce the amount of loss of the first external sealant 24 present in the first external space OS.
- the first external partition member 262 may be formed to protrude from the first packing member 23 toward the first potting layer 223 . Due to the first external partition member 262 , the flow of the first external sealant 24 disposed in the first external space OS into the internal space IS may be restricted. Accordingly, it is possible to reduce the amount of loss of the first external sealant 24 in the first external space OS. Accordingly, in the fuel cell humidifier 1 according to the first embodiment, the first external seal sealing between the first packing member 23 and the first potting layer 223 in the first external space OS. Since the amount of the runt 24 can be increased, the sealing force by the first external sealant 24 in the first external space OS can be further strengthened.
- the first external partition member 262 may elastically press the first potting layer 223 . Accordingly, the sealing force between the first packing member 23 and the first potting layer 223 may be further strengthened.
- the first internal blocking part 27 is for limiting a distance through which the first internal sealant 25 accommodated in the first internal groove 233 can flow.
- the first inner blocking part 27 may be coupled to the first packing member 23 so as to protrude from the first packing member 23 . Accordingly, the flow of the first internal sealant 25 accommodated in the first internal groove 233 may be restricted by the first external blocking part 26 .
- the flow of the first internal sealant 25 is restricted by using the first internal blocking part 27 in addition to the first internal groove 233 .
- the accuracy of the sealant application operation can be further improved, and the stability of the sealing operation through the first internal sealant 25 can be further improved.
- the first internal blocking part 27 may include an internal blocking member 271 and an internal partitioning member 272 .
- the inner blocking member 271 is for limiting a distance through which the first inner sealant 25 accommodated in the first inner groove 233 can flow.
- the inner blocking member 271 may be formed to protrude from the first packing member 23 .
- the inner blocking member 271 may be disposed to surround the first inner groove 233 .
- the first internal sealant 25 may be disposed between the internal blocking member 271 and the first potting layer 223 . Accordingly, the flow of the first internal sealant 25 accommodated in the first internal groove 233 in a direction opposite to the direction toward the first potting layer 223 may be restricted.
- the internal partition member 272 is to reduce the amount of loss of the first internal sealant 25 existing in the internal space IS.
- the inner partition member 272 may be formed to protrude from the first packing member 23 toward the first potting layer 223 .
- the flow of the first internal sealant 25 disposed in the internal space IS from the internal space IS to the first external space OS may be restricted due to the internal partition member 272 . have. Accordingly, the amount of loss of the first internal sealant 25 in the internal space IS can be reduced. Accordingly, in the fuel cell humidifier 1 according to the first embodiment, the first internal sealant sealing between the first packing member 23 and the first potting layer 223 in the internal space IS 25) can be increased, so that the sealing force of the first internal sealant 25 in the internal space IS can be further strengthened.
- the humidification module 2 may include a first pressure blade 28 coupled to the first packing member 23 .
- the first pressure wings 28 may be formed to protrude from the first packing member 23 toward the first potting layer 223 .
- the first pressure blade 28 may be elastically compressed as it is pressed by the first potting layer 223 .
- the first pressure blade 28 is disposed between the first packing member 23 and the first potting layer 223 , so that the first pressure blade 28 is disposed between the first packing member 23 and the first potting layer 223 .
- the flow of gas or liquid through the formed gap may be restricted.
- the first pressure blade 28 is the first packing
- the sealing force between the first packing member 23 and the first potting layer 223 may be further strengthened.
- the first pressure blade 28 may be formed of a material capable of elastic deformation.
- the first pressure blade 28 may be formed of rubber.
- the mid-case 21 may include a support groove 214 into which at least a portion of one end of the first packing member 23 is inserted and supported.
- the first packing member 23 may include a first locking groove 235 for inserting at least a portion of one end of the mid-case 21 while being inserted into the support groove 214 .
- the first locking groove 235 may implement a locking structure between the mid-case 21 and the first packing member 23 by inserting at least a portion of the mid-case 21 .
- one of the inner projection 215 and the outer projection 216 of the mid-case 21 is disposed closer to the inner space IS of the mid-case 21 .
- a locking structure may be implemented between the mid-case 21 and the first packing member 23 .
- the protrusion disposed on the edge of the first packing member 23 is inserted into the support groove 214 , and the inner protrusion 215 of the inner protrusion 215 and the outer protrusion 216 supports the support. It may be inserted into the groove 214 . Accordingly, movement of the first packing member 23 and the mid-case 21 in the first axial direction (X-axis direction) may be restricted. Therefore, the fuel cell humidifier 1 according to the first embodiment increases the coupling force between the first packing member 23 and the mid-case 21 and uses the first packing member 23 to - The sealing force between the case 21 and the cartridge 22 can be further strengthened.
- the mid-case 21 may include a support member 217 for supporting the outer surface of the first packing member 23 .
- the support member 217 may be disposed on a portion of the outer protrusion 216 that contacts the outer surface of the first packing member 23 .
- the first packing member 23 is moved to the mid-case 21 . ) to be compressed toward the mid-case 21 to be in close contact.
- the fuel cell humidifier 1 according to the first embodiment further increases the coupling force between the first packing member 23 and the mid-case 21 using the first packing member 23 .
- the sealing force between the mid-case 21 and the cartridge 22 may be further strengthened.
- the humidification module 2 is inserted into at least one portion of the first packing member 23 , and a reinforcing material 5 having a hardness higher than that of the first packing member 23 . may include more.
- the first packing member 23 may have a first hardness of 10 to 100 Shore A, and the reinforcing material may have a second hardness higher than the first hardness.
- the fuel cell humidifier 1 may be implemented such that a plurality of cartridges 22 are coupled to the mid-case 21 .
- the mid-case 21 may include a partition member (not shown) disposed between the cartridges 22 and 22'.
- the cartridges 22 and 22' may be disposed between the partition wall members so as to be individually detachably coupled to the mid-case 21 .
- the first packing member 23 may include a first sub-packing member 234 .
- the first sub-packing member 234 is disposed between the cartridges 22 and 22' to seal between the cartridges 22 and 22'.
- the first sub-packing member 234 may prevent direct mixing of the dry gas and the wet gas through the spaces between the cartridges 22 and 22'.
- the first sub-packing member 234 may be in close contact with the cartridges 22 and 22' by at least one of a dry gas and a wet gas. Therefore, the fuel cell humidifier 1 according to the first embodiment can implement sealing force to prevent direct mixing of the dry gas and the wet gas through between the cartridges 22 and 22' without an additional configuration. , it is possible to lower the cost for strengthening the sealing force between the cartridges (22, 22').
- the first sub-packing member 234 may be formed of a material capable of elastic deformation.
- the first sub-packing member 234 may be formed of rubber.
- the second cap 4 is coupled to the other end of the humidification module 2 .
- the humidification module 2 is a second packing member (Air tightly coupled) that is tightly coupled to one end of the humidification module through mechanical assembly so that the second cap 4 can communicate only with the hollow fiber membranes in fluid communication. 23') may be included.
- a space between the second cap 4 and the cartridge 22 may be sealed by a second packing member 23 ′. Since the second packing member 23 ′ is implemented to be substantially identical to the first packing member 23 , a detailed description thereof will be omitted.
- the humidification module 2 includes a second sealing part sealing between the second packing member 23' and the second potting layer 224, and a second blocking part coupled to the second packing member 23'. , and a second pressure blade coupled to the second packing member 23 ′.
- the second sealing part, the second blocking part, and the second pressing blade are implemented to substantially coincide with the first sealing part 240 , the first blocking part 260 , and the first pressing blade 28 . Therefore, a detailed description thereof will be omitted.
- the second packing member 23' includes a second sub-packing member (not shown). can do. Since the second sub-packing member is also implemented to be substantially identical to the first sub-packing member 234, a detailed description thereof will be omitted.
- FIG. 10 shows that the two cartridges 22 are coupled to the mid-case 21, the present invention is not limited thereto and as shown in FIG. 11, a fuel cell humidifier 1 according to the first embodiment. may be implemented such that the three cartridges 21, 21', 21" are coupled to the mid-case 21.
- the first packing member 23 includes the two first sub-packing members. 234, and the second packing member 23' may include the two second sub-packing members.
- the fuel cell humidifier 1 according to the first embodiment includes the mid -It may be implemented such that four or more cartridges 22 are coupled to the case 21.
- the first sub-packing member ( 234) and the number of each of the second sub-packing members may increase.
- the first sub-packing member 234 and the second sub-packing member may be implemented with N-1 numbers, respectively.
- the humidification module 2 may include the first sealant 6 .
- the first sealant 6 is provided with the first packing member 23 and the cartridge 22 in the inner space IS disposed on the mid-case 21 side with respect to the first packing member 23 as a reference. ) to seal between The receiving hole 211 may be located in the inner space IS.
- the first sealant 6 may seal between the first packing member 23 and the cartridge 22 by sealing between the first packing member 23 and the first potting layer 223 . have. Looking at this in detail, it is as follows.
- the first sealant 6 is applied to the first packing member 23 .
- the first sealant 6 may be applied to the first packing member 23 so as to surround the circumference of the first through hole 231 .
- the cartridge 22 is inserted into the first through hole 231 of the first packing member 23 to which the first sealant 6 is applied. Accordingly, the first sealant 6 may be positioned in a gap formed between the first potting layer 223 and the first packing member 23 . Accordingly, the first sealant 6 seals the gap formed between the first packing member 23 and the first potting layer 223, thereby forming the first packing member 23 and the first potting layer ( 223), it is possible to prevent direct mixing of the dry gas and the wet gas.
- the first sealant 6 is a liquid resin selected from the group consisting of a liquid polyurethane resin, a liquid silicone resin, a liquid epoxy resin, a liquid elastomer resin, and a combination thereof. After filling the gap formed between the first potting layer 223 , it may be cured to seal between the cartridge 22 and the first packing member 23 .
- the fuel cell humidifier 1 according to the second embodiment can achieve the following effects.
- the first packing member is irrespective of the shape or size of the gap between the first packing member 23 and the first potting layer 223 .
- a space between 23 and the first potting layer 223 may be sealed. Accordingly, in the operation for sealing the first packing member 23 and the cartridge 22 , the ability to respond to the shape of the first packing member 23 and the cartridge 22 can be improved.
- the first packing member 23 includes a first packing body 230 disposed between the first potting layer 223 and the mid-case 21 , the a first inner groove 233 for accommodating the first sealant 6 , a first blocking member 236 disposed on one side of the first inner groove 233 , and the first inner groove 233 . It may include a first partition member 237 disposed on the other side.
- the first packing body 230 forms the outer shape of the first packing member 23 .
- the first packing body 230 may form the first through hole 231 by being penetrated in the vertical direction of the X-axis direction.
- the first packing body 230 may be disposed between the mid-case 21 and the first potting layer 223 by accommodating the cartridge 22 in the first through hole 231 .
- the first packing body 230 is in close contact with the mid-case 21 and the first potting layer 223 between the mid-case 21 and the first potting layer 223, respectively, the The space between the first packing body 230 and the first cap 3 may be blocked from the space between the first packing body 230 and the mid-case 111 .
- the first inner groove 233 may be disposed on a surface facing the mid-case 21 from the first packing body 230 .
- the first inner groove 233 may be formed to surround the circumference of the first through hole 231 .
- the first sealant 6 may be applied to the first packing member 23 to be accommodated in the first inner groove 233 . Accordingly, the first inner groove 233 serves to guide the application path of the first sealant 6, thereby improving the convenience of the application of the first sealant 6, and By restricting the flow of the first sealant 6 until it is cured, the accuracy of the application of the first sealant 6 can be improved.
- the first blocking member 236 is for limiting a flowable distance of the first sealant 6 accommodated in the first inner groove 233 .
- the first blocking member 236 may be disposed on one side of the first inner groove 233 .
- the first blocking member 236 may be disposed to surround the first inner groove 233 at one side of the first inner groove 233 .
- the first inner groove 233 may be disposed between the first blocking member 236 and the first potting layer 223 .
- the first blocking member 236 may be formed to protrude from the first packing body 230 toward the inner space IS.
- the first blocking member 236 may protrude longer than the first inner groove 233 toward the inner space IS.
- the first sealant may be positioned in the first inner groove 233 to seal between the first blocking member 236 and the first potting layer 223 . Accordingly, the flow of the first sealant 6 accommodated in the first inner groove 233 toward the first blocking member 236 may be restricted. Therefore, in the fuel cell humidifier 1 according to the second embodiment, the flow of the first sealant 6 can be restricted through the first blocking member 236 in addition to the first internal groove 233 . , it is possible to further improve the accuracy of the application of the first sealant (6).
- the first partition member 237 may be disposed on the other side of the first inner groove 233 .
- the other side of the first inner groove 233 may have a direction opposite to one side of the first inner groove 233 with respect to the first inner groove 233 .
- the first partition member 237 may be disposed to surround the first through hole 231 at the other side of the first inner groove 233 . Accordingly, the first inner groove 233 may be positioned between the first blocking member 236 and the first partition member 237 .
- the first partition member 237 may be formed to protrude from the first packing body 230 toward the mid-case 21 . Accordingly, the flow of the first sealant 6 accommodated in the first inner groove 233 toward the first partition member 237 may be restricted.
- the first sealant 6 includes a first sealant body 61 positioned in the first inner groove 233 , and the first sealant body 61 protruding from the first blocking member 236 and A first protruding sealant 62 sealing between the first potting layers 223 may be included.
- the first sealant body 61 seals between the first packing member 23 and the first potting layer 223 in the first inner groove 233 .
- the first sealant body 61 may be formed as the first sealant 6 is applied to and accommodated in the first inner groove 233 .
- the first sealant body 61 is in close contact with the first packing member 23 and the first potting layer 223 in the first inner groove 233, respectively, so that the first packing member 23 and the Between the first potting layers 223 may be sealed.
- the first protruding sealant 62 protrudes from the first sealant body 61 toward the inner space IS to be disposed between the first blocking member 236 and the first potting layer 223 .
- the first blocking member 236 may protrude longer than the first internal groove 233 toward the inner space IS. Accordingly, the first blocking member 236 is disposed on one side of the first protruding sealant 62 , and the first potting layer 223 is disposed on the other side of the first protruding sealant 62 . A space between the first potting layer 223 and the first blocking member 236 may be sealed.
- the other side of the first protruding sealant 62 refers to an opposite side of the first protruding sealant 62 with respect to the first protruding sealant 62 . Accordingly, it seals between the first packing member 23 and the first potting layer 223 through the first sealant body 61 and the first sealant 62 through the first protruding sealant 62 . A space between the first blocking member 236 and the first potting layer 223 may be sealed. Accordingly, in the fuel cell humidifier 1 according to the second embodiment, the area in which the first sealant 6 seals between the first packing member 23 and the first potting layer 223 can be increased. Therefore, the sealing force between the first packing member 23 and the first potting layer 223 can be strengthened.
- the first protruding sealant 62 is formed on the first potting layer after the first sealant 6 is applied in a larger volume than that of the first inner groove 233 . It may be formed by being pressed by 223 . Looking at this in detail, it is as follows.
- the first inner groove 233 of the first sealant 6 is A portion exceeding the volume protrudes from the first inner groove 233 .
- the first packing member 23 moves in the direction of the arrow in FIG. 16 , as the first sealant 6 is pressed by the first potting layer 223 , as shown in FIG. 15 , the first The first protruding sealant 62 may be formed from the sealant body 61 .
- the first potting layer 223 may include a first pressing member 2231 protruding toward the first packing member 23 .
- the first pressing member 2231 is for pressing the first sealant 6 .
- the first sealant 6 may include a first receiving groove 63 (shown in FIG. 15 ) for accommodating the first pressing member 2231 .
- the first receiving groove 63 may be formed as the first sealant 6 is pressed by the first pressing member 2231 .
- the first sealant body 61 may include a first body contact member 611 in contact with one side of the first pressing member 2231 accommodated in the first receiving groove 63 .
- the first sealant body 61 is connected to one side of the first pressing member 2231 and the first packing member ( 23) can be sealed in between.
- One side of the first pressing member 2231 refers to the side facing the first internal groove 233 from the first pressing member 2231 .
- the first protruding sealant 62 may include a first protruding contact member 621 in contact with the other side of the first pressing member 2231 accommodated in the first inner groove 233 .
- the first protruding sealant 62 seals between the other side of the first pressing member 2231 and the first blocking member 236 through the first protruding contact member 621 , so that the first sealant In addition to the body 61 , it is possible to seal between the first pressing member 2231 and the first packing member 23 .
- the other side of the first pressing member 2231 refers to the side facing the first blocking member 236 from the first pressing member 2231 .
- An angle between one side of the first pressing member 2231 and the other side of the first pressing member 2231 may be vertical, but is not limited thereto, and one side of the first pressing member 2231 is formed by the first seal If the runt body 61 is in contact with the other side of the first pressing member 2241 can be in contact with the first protruding sealant 62, it may be formed at a different angle.
- the first pressing member 2231 may be inserted into the first internal groove 233 as the first partition member 237 is elastically compressed.
- the first partition member 237 is elastically compressed as shown in FIG. 18 by applying additional pressure toward the first pressing member 2231 to the first packing member 23 in FIG. 17
- the first The pressing member 2231 may be inserted into the first inner groove 233 (a dotted line portion in FIGS. 17 and 18 ). Accordingly, the first sealant body 61 accommodated in the first inner groove 233 by the volume in which the first pressing member 2231 is inserted into the first inner groove 233 is moved into the first inner groove. By pushing from 233 , the volume of the first protruding sealant 62 may be increased.
- the area of the first protruding contact member 621 in contact with the other side of the first pressing member 2231 in the first protruding sealant 62 may be increased. Accordingly, in the fuel cell humidifier 1 according to the second embodiment, the area in which the first sealant 6 seals between the first packing member 23 and the first potting layer 223 is increased. The sealing force between the first packing member 23 and the cartridge 22 may be further strengthened.
- the humidification module 2 may include a first pressure blade 28 coupled to the first packing member 23 .
- the first pressure wings 28 may be formed to protrude from the first packing member 23 toward the first potting layer 223 .
- the first pressure blade 28 may be elastically compressed as it is pressed by the first potting layer 223 .
- gas or liquid flows through a gap formed between the first packing member 23 and the first potting layer 223 . may be limited.
- the first pressure blade 28 may be formed of a material capable of elastic deformation.
- the first pressure blade 28 may be formed of rubber.
- the mid-case 21 may include a support groove 214 into which at least a portion of one end of the first packing member 23 is inserted and supported.
- the first packing member 23 may include a first locking groove 235 for inserting at least a portion of one end of the mid-case 21 while being inserted into the support groove 214 .
- the first locking groove 235 may implement a locking structure between the mid-case 21 and the first packing member 23 by inserting at least a portion of the mid-case 21 .
- one of the inner projection 215 and the outer projection 216 of the mid-case 21 is disposed closer to the inner space IS of the mid-case 21 .
- a locking structure may be implemented between the mid-case 21 and the first packing member 23 .
- the protrusion disposed on the edge of the first packing member 23 is inserted into the support groove 214 , and the inner protrusion 215 of the inner protrusion 215 and the outer protrusion 216 supports the support. It may be inserted into the groove 214 . Accordingly, movement of the first packing member 23 and the mid-case 21 in the first axial direction (X-axis direction) may be restricted. Therefore, the fuel cell humidifier 1 according to the second embodiment increases the coupling force between the first packing member 23 and the mid-case 21 and uses the first packing member 23 to - The sealing force between the case 21 and the cartridge 22 can be further strengthened.
- the mid-case 21 may include a support member 217 for supporting the outer surface of the first packing member 23 .
- the support member 217 may be disposed on a portion of the outer protrusion 216 that contacts the outer surface of the first packing member 23 .
- the first packing member 23 is moved to the mid-case 21 . ) to be compressed toward the mid-case 21 to be in close contact.
- the fuel cell humidifier 1 according to the second embodiment further increases the coupling force between the first packing member 23 and the mid-case 21 using the first packing member 23 .
- the sealing force between the mid-case 21 and the cartridge 22 may be further strengthened.
- the humidification module 2 may further include a reinforcing material 5 inserted into at least one portion of the first packing member 23 .
- the reinforcing material 5 may be disposed inside the first packing body 230 .
- the reinforcing material 5 has a hardness higher than that of the first packing member 23 .
- the first packing member 23 may have a first hardness of 10 to 100 Shore A, and the reinforcing material may have a second hardness higher than the first hardness. Accordingly, the first packing member 23 can implement a stronger strength through the reinforcement (5).
- the humidifier 1 for fuel cell according to the second embodiment may be implemented such that a plurality of cartridges 22 are coupled to the mid-case 21 .
- the mid-case 21 may include a partition member (not shown) disposed between the cartridges 22 and 22'.
- the cartridges 22 and 22' may be disposed between the partition wall members so as to be individually detachably coupled to the mid-case 21 .
- the first packing member 23 may include a first sub-packing member 234 .
- the first sub-packing member 234 is disposed between the cartridges 22 and 22' to seal between the cartridges 22 and 22'.
- the first sub-packing member 234 may prevent direct mixing of the dry gas and the wet gas through the spaces between the cartridges 22 and 22'.
- the first sub-packing member 234 may be in close contact with the cartridges 22 and 22' by at least one of a dry gas and a wet gas. Therefore, the humidifier 1 for fuel cell according to the second embodiment can implement sealing force to prevent direct mixing of the dry gas and the wet gas through the cartridges 22 and 22' without an additional configuration. , it is possible to lower the cost for strengthening the sealing force between the cartridges (22, 22').
- the first sub-packing member 234 may be formed of a material capable of elastic deformation.
- the first sub-packing member 234 may be formed of rubber.
- the second cap 4 is coupled to the other end of the humidification module 2 .
- the space between the second cap 4 and the cartridge 22 may be sealed with respect to the space between the cartridge 22 and the mid-case 21 by the second packing member 23 ′. Since the second packing member 23 ′ is implemented to be substantially identical to the first packing member 23 , a detailed description thereof will be omitted.
- the humidification module 2 includes a second sealant 6 ′ (shown in FIG. 13 ) sealing between the second packing member 23 ′ and the cartridge 22 , and the second packing member 23 ′. ) may include a second pressure blade (not shown) coupled to. Since the second sealant 6 ′ and the second pressure blade are implemented to be substantially identical to the first sealant 6 and the first pressure blade 28 , a detailed description thereof will be omitted.
- the second packing member 23 ′ may include a second sub-packing member (not shown). Since the second sub-packing member is implemented to substantially coincide with the first sub-packing member 234, a detailed description thereof will be omitted. Meanwhile, FIG. 19 shows that the two cartridges 22 are coupled to the mid-case 21, but the present invention is not limited thereto and as shown in FIG. 20, a fuel cell humidifier 1 according to the second embodiment. may be implemented such that the three cartridges 21, 21', 21" are coupled to the mid-case 21. To this end, the first packing member 23 includes two first sub-packing members ( 234), and the second packing member 23' may include two second sub-packing members.
- the fuel cell humidifier 1 is the mid-case It may be implemented so that four or more cartridges 22 are coupled to 21.
- the first sub-packing member 234 corresponds to the number of cartridges 22 coupled to the mid-case 21 . and the number of each of the second sub-packing members may increase. For example, when the number of the cartridges 22 is implemented as N, the first sub-packing member 234 and the second sub-packing member may each It can be implemented with N-1 numbers.
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Abstract
Description
Claims (14)
- 연료전지 스택으로부터 배출된 습윤 기체를 이용하여 외부로부터 공급된 건조 기체를 가습하기 위한 가습 모듈; 및상기 가습 모듈의 일단에 결합된 제1 캡;을 포함하는 연료전지용 가습기로서,상기 가습 모듈은,양 말단들이 개방되어 있는 미드-케이스(mid-case); 및상기 미드-케이스 내에 배치되며 다수의 중공사막들을 포함하는 적어도 하나의 카트리지(Cartridge);를 포함하고,상기 카트리지는,양 말단들이 개방되어 있고 상기 중공사막들이 들어있는 이너 케이스(Inner Case); 및상기 중공사막들의 일단을 포팅하는 제1 포팅층;을 포함하며,상기 가습 모듈은,상기 제1 캡이 상기 중공사막들과만 유체연통할 수 있도록 기계적 조립을 통해 상기 가습 모듈의 일단에 기밀하게 결합된(Air tightly coupled) 제1 패킹부재;상기 제1 패킹부재와 상기 제1 포팅층 사이를 밀폐시키는 제1 씰링부; 및상기 제1 씰링부의 유동 가능한 거리를 제한하도록 상기 제1 패킹부재에 결합된 제1 차단부를 포함하고,상기 제1 씰링부는 상기 제1 패킹부재를 기준으로 하여 상기 제1 패킹부재와 상기 제1 캡 사이의 제1 외부공간 및 상기 제1 외부공간의 반대 쪽에 배치된 내부공간 중에서 적어도 하나에 배치된 것을 특징으로 하는 연료전지용 가습기.
- 제1항에 있어서,상기 제1 씰링부는 상기 제1 외부공간에 배치된 제1 외부씰런트를 포함하고,상기 제1 차단부는 상기 제1 외부씰런트의 유동 가능한 거리를 제한하도록 상기 제1 패킹부재에 결합된 제1 외부차단부를 포함하며,상기 제1 외부씰런트는 상기 제1 외부차단부와 상기 제1 포팅층 사이에 배치된 제1 외부홈에 수용되어서 상기 제1 패킹부재와 상기 제1 포팅층 사이를 밀폐시키는 것을 특징으로 하는 연료전지용 가습기.
- 제1항에 있어서,상기 제1 씰링부는 상기 내부공간에 배치된 제1 내부씰런트를 포함하고,상기 제1 차단부는 상기 제1 내부씰런트의 유동 가능한 거리를 제한하도록 상기 제1 패킹부재에 결합된 제1 내부차단부를 포함하며,상기 제1 내부씰런트는 상기 제1 내부차단부와 상기 제1 포팅층 사이에 배치된 제1 내부홈에 수용되어서 상기 제1 패킹부재와 상기 제1 포팅층 사이를 밀폐시키는 것을 특징으로 하는 연료전지용 가습기.
- 제1항에 있어서,상기 제1 씰링부는 상기 제1 외부공간에 배치된 제1 외부씰런트, 및 상기 내부공간에 배치된 제1 내부씰런트를 포함하고,상기 제1 차단부는 상기 제1 외부씰런트의 유동 가능한 거리를 제한하도록 상기 제1 패킹부재에 결합된 제1 외부차단부, 및 상기 제1 내부씰런트의 유동가능한 거리를 제한하도록 상기 제1 패킹부재에 결합된 제1 내부차단부를 포함하며,상기 제1 외부씰런트는 상기 제1 외부차단부와 상기 제1 포팅층 사이에 배치된 제1 외부홈에 수용되어서 상기 제1 패킹부재와 상기 제1 포팅층 사이를 밀폐시킴과 아울러 상기 제1 내부씰런트는 상기 제1 내부차단부와 상기 제1 포팅층 사이에 배치된 제1 내부홈에 수용되어서 상기 제1 패킹부재와 상기 제1 포팅층 사이를 밀폐시키는 것을 특징으로 하는 연료전지용 가습기.
- 제2항 또는 제4항 중 어느 한 항에 있어서,상기 제1 외부차단부는 상기 제1 패킹부재로부터 상기 제1 외부공간을 향해 돌출된 제1 외부차단부재, 및 상기 제1 패킹부재로부터 상기 제1 포팅층을 향해 돌출된 제1 외부구획부재를 포함하는 것을 특징으로 하는 연료전지용 가습기.
- 연료전지 스택으로부터 배출된 습윤 기체를 이용하여 외부로부터 공급된 건조 기체를 가습하기 위한 가습 모듈; 및상기 가습 모듈의 일단에 결합된 제1 캡;을 포함하는 연료전지용 가습기로서,상기 가습 모듈은,양 말단들이 개방되어 있는 미드-케이스(mid-case);상기 미드-케이스 내에 배치되며 다수의 중공사막들을 포함하는 적어도 하나의 카트리지(Cartridge);상기 제1 캡이 상기 중공사막들과만 유체연통할 수 있도록 기계적 조립을 통해 상기 가습 모듈의 일단에 기밀하게 결합된(Air tightly coupled) 제1 패킹부재;상기 제1 패킹부재를 기준으로 하여 상기 미드-케이스 쪽에 배치된 내부공간에서 상기 제1 패킹부재와 상기 카트리지의 사이를 밀폐시키는 제1 씰런트;를 포함하고,상기 카트리지는 양 말단들이 개방되어 있고 상기 중공사막들이 들어있는 이너 케이스(Inner Case), 및 상기 중공사막들의 일단을 포팅하는 제1 포팅층;을 포함하며,상기 제1 패킹부재는 상기 제1 씰런트를 수용하기 위한 제1 내부홈, 상기 제1 내부홈의 일측에 배치된 제1 차단부재, 및 상기 제1 내부홈의 타측에 배치된 제1 구획부재를 포함하고,상기 제1 차단부재는 상기 내부공간 쪽으로 상기 제1 내부홈보다 더 긴 길이로 돌출되며,상기 제1 씰런트는 상기 제1 내부홈에 위치하여서 상기 제1 차단부재와 상기 제1 포팅층 사이를 밀폐시키는 것을 특징으로 하는 연료전지용 가습기.
- 제6항에 있어서,상기 제1 씰런트는 상기 제1 내부홈에 배치된 제1 씰런트본체, 및 상기 제1 씰런트본체로부터 돌출되어 상기 제1 차단부재와 상기 제1 포팅층 사이를 밀폐시키는 제1 돌출씰런트를 포함하는 것을 특징으로 하는 연료전지용 가습기.
- 제7항에 있어서,상기 제1 돌출씰런트는 상기 제1 씰런트가 상기 제1 내부홈에 비해 더 큰 체적으로 도포된 후에 상기 제1 포팅층에 가압됨에 따라 형성된 것을 특징으로 하는 연료전지용 가습기.
- 제7항에 있어서,상기 제1 포팅층은 상기 제1 패킹부재 쪽으로 돌출된 제1 가압부재를 포함하고,상기 제1 씰런트는 상기 제1 가압부재를 수용하기 위한 제1 수용홈을 포함하며,상기 제1 씰런트본체는 상기 제1 수용홈에 수용된 상기 제1 가압부재의 일측과 접촉하는 제1 본체접촉부재를 포함하고,상기 제1 돌출씰런트는 상기 제1 수용홈에 수용된 상기 제1 가압부재의 타측과 접촉하는 제1 돌출접촉부재를 포함하는 것을 특징으로 하는 연료전지용 가습기.
- 제9항에 있어서,상기 제1 가압부재는 상기 제1 구획부재가 탄성적으로 압축됨에 따라 상기 제1 내부홈으로 삽입되는 것을 특징으로 하는 연료전지용 가습기.
- 제1항 또는 제6항에 있어서,상기 제1 패킹부재에는 제1 가압날개가 결합되고,상기 제1 가압날개는 상기 제1 패킹부재로부터 상기 제1 포팅층을 향해 돌출되되, 상기 제1 포팅층에 의해 가압됨에 따라 탄성적으로 압축되는 것을 특징으로 하는 연료전지용 가습기.
- 제1항 또는 제6항에 있어서,상기 미드-케이스는 상기 제1 패킹부재의 일단 중 적어도 일부가 삽입되는 지지홈을 포함하고,상기 제1 패킹부재는 상기 미드-케이스의 일단 중 적어도 일부를 삽입시키기 위한 제1 걸림홈을 포함하는 것을 특징으로 하는 연료전지용 가습기.
- 제12항에 있어서,상기 미드-케이스는 상기 제1 패킹부재의 외측면을 지지하기 위한 지지부재를 포함하는 것을 특징으로 하는 연료전지용 가습기.
- 제1항 또는 제6항에 있어서,상기 가습 모듈은 상기 제1 패킹부재 중 적어도 일 부분에 삽입되어 있으며 상기 제1 패킹부재의 경도보다 높은 경도를 갖는 제1 보강재를 더 포함하는 것을 특징으로 하는 연료전지용 가습기.
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CN202180088934.3A CN116710190A (zh) | 2020-12-31 | 2021-12-28 | 用于燃料电池的加湿器 |
EP21915745.0A EP4258394A4 (en) | 2020-12-31 | 2021-12-28 | FUEL CELL HUMIDIFIER |
JP2023532245A JP7564366B2 (ja) | 2020-12-31 | 2021-12-28 | 燃料電池用加湿器 |
CA3202604A CA3202604A1 (en) | 2020-12-31 | 2021-12-28 | Humidifier for fuel cell |
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KR20200122211A (ko) * | 2019-04-17 | 2020-10-27 | 코오롱인더스트리 주식회사 | 연료전지용 가습기 및 그것을 위한 패킹 부재 |
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DK2798691T3 (en) | 2011-12-29 | 2019-03-18 | Kolon Inc | MEMBRANE MOISTURE |
US20220123334A1 (en) | 2019-06-25 | 2022-04-21 | Kolon Industries, Inc. | Fuel cell humidifier and manufacturing method therefor |
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US20070246847A1 (en) * | 2006-04-20 | 2007-10-25 | Casio Computer Co., Ltd. | Humidity adjustment apparatus, power generation apparatus, electronic equipment and method of manufacturing hollow fiber membrane module |
US20100068603A1 (en) * | 2006-11-13 | 2010-03-18 | Hirofumi Kanazawa | Hollow fiber membrane module and fuel cell system |
KR20180048003A (ko) * | 2016-11-02 | 2018-05-10 | 현대자동차주식회사 | 연료전지용 가습기 |
KR20190081736A (ko) * | 2017-12-29 | 2019-07-09 | 코오롱인더스트리 주식회사 | 연료전지 막가습기 |
KR20200122211A (ko) * | 2019-04-17 | 2020-10-27 | 코오롱인더스트리 주식회사 | 연료전지용 가습기 및 그것을 위한 패킹 부재 |
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