KR20220072889A - Hydrogen Pressure Vessel And Method For Manufacturing The Same - Google Patents

Hydrogen Pressure Vessel And Method For Manufacturing The Same Download PDF

Info

Publication number
KR20220072889A
KR20220072889A KR1020200158415A KR20200158415A KR20220072889A KR 20220072889 A KR20220072889 A KR 20220072889A KR 1020200158415 A KR1020200158415 A KR 1020200158415A KR 20200158415 A KR20200158415 A KR 20200158415A KR 20220072889 A KR20220072889 A KR 20220072889A
Authority
KR
South Korea
Prior art keywords
half body
container frame
pressure vessel
inner bag
carbon fiber
Prior art date
Application number
KR1020200158415A
Other languages
Korean (ko)
Other versions
KR102427309B1 (en
Inventor
김신
고관호
강정석
정근성
신현규
Original Assignee
재단법인 한국탄소산업진흥원
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 재단법인 한국탄소산업진흥원 filed Critical 재단법인 한국탄소산업진흥원
Priority to KR1020200158415A priority Critical patent/KR102427309B1/en
Publication of KR20220072889A publication Critical patent/KR20220072889A/en
Application granted granted Critical
Publication of KR102427309B1 publication Critical patent/KR102427309B1/en

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C1/00—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
    • F17C1/02—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge involving reinforcing arrangements
    • F17C1/04—Protecting sheathings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/06—Fibrous reinforcements only
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/002—Details of vessels or of the filling or discharging of vessels for vessels under pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts
    • B29K2105/08—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts of continuous length, e.g. cords, rovings, mats, fabrics, strands or yarns
    • B29K2105/0872—Prepregs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/01—Shape
    • F17C2201/0104—Shape cylindrical
    • F17C2201/0109—Shape cylindrical with exteriorly curved end-piece
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/05—Size
    • F17C2201/056—Small (<1 m3)
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/01—Reinforcing or suspension means
    • F17C2203/011—Reinforcing means
    • F17C2203/012—Reinforcing means on or in the wall, e.g. ribs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0602—Wall structures; Special features thereof
    • F17C2203/0604—Liners
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0602—Wall structures; Special features thereof
    • F17C2203/0612—Wall structures
    • F17C2203/0614—Single wall
    • F17C2203/0621—Single wall with three layers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0634—Materials for walls or layers thereof
    • F17C2203/0658—Synthetics
    • F17C2203/066—Plastics
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/068—Special properties of materials for vessel walls
    • F17C2203/0685—Special properties of materials for vessel walls flexible
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2209/00—Vessel construction, in particular methods of manufacturing
    • F17C2209/21—Shaping processes
    • F17C2209/2154—Winding
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2209/00—Vessel construction, in particular methods of manufacturing
    • F17C2209/23—Manufacturing of particular parts or at special locations
    • F17C2209/232—Manufacturing of particular parts or at special locations of walls
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2221/00—Handled fluid, in particular type of fluid
    • F17C2221/01—Pure fluids
    • F17C2221/012—Hydrogen
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2270/00—Applications
    • F17C2270/01—Applications for fluid transport or storage
    • F17C2270/0165—Applications for fluid transport or storage on the road
    • F17C2270/0168—Applications for fluid transport or storage on the road by vehicles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2270/00—Applications
    • F17C2270/01—Applications for fluid transport or storage
    • F17C2270/0165—Applications for fluid transport or storage on the road
    • F17C2270/0184—Fuel cells
    • 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
    • Y02E60/32—Hydrogen storage

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

본 발명은 종전 타입 5 수소압력용기에서, 수소기밀성 확보를 위한 라이너 대신 실리콘 이너백을 사용한다. 실리콘 이너백은 부피 팽창이 라이너 보다 자유로와 수소 충방전에 따른 수축과 이완을 반복하더라도 피로 파괴될 가능성이 낮다. 설령, 실리콘 이너백이 피로 파괴되더라도, 종전 라이너를 사용할 때와 달리, 실리콘 이너백만을 교체할 수 있어, 종전 라이너 파괴로 인해 수소압력용기 전체를 교체할 때와 달리, 비용이 대폭 절감된다.The present invention uses a silicone inner bag instead of a liner for securing hydrogen tightness in the conventional type 5 hydrogen pressure vessel. The silicone inner bag is less likely to fail due to fatigue even if the volume expansion is freer than the liner and repeated contraction and relaxation due to hydrogen charging and discharging. Even if the silicone inner bag is destroyed by fatigue, unlike when using a conventional liner, only the silicone inner bag can be replaced, and the cost is greatly reduced, unlike when replacing the entire hydrogen pressure vessel due to the destruction of the previous liner.

Description

수소압력용기 및 그 제조방법{Hydrogen Pressure Vessel And Method For Manufacturing The Same}Hydrogen Pressure Vessel And Method For Manufacturing The Same

본 발명은 수소압력용기 및 그 제조방법에 관한 것이다.The present invention relates to a hydrogen pressure vessel and a method for manufacturing the same.

수소 전기차에 사용되는 수소압력용기는 차량 내 장착되므로, 가볍고, 부피가 작고, 안전해야 한다.Since the hydrogen pressure vessel used in the hydrogen electric vehicle is installed in the vehicle, it must be light, small in volume, and safe.

또한, 수소압력용기는 용기 전체의 비강도(Specific Strength)는 물론 수소에 대한 기밀유지 및 사용압력 700Bar, 파열압 2,100Bar의 고압력 때문에 탄성강도 또한 커야 한다. 그 이유는, 동일한 무게에서 일시적으로 과도한 충전압력이나 용기의 일부분에 가해지는 외부충격을 견뎌내는 지표인 비강도도 중요하지만 반복사용 과정에서 고압가스의 충방전에 따른 용기의 변형 횟수가 누적됨에도 불구하고 내부의 고압기체가 누설되지 않아야하기 때문이다.In addition, the hydrogen pressure vessel must have high elastic strength due to the high pressure of the gastight maintenance and operating pressure of 700 Bar and the burst pressure of 2,100 Bar as well as the specific strength of the entire container. The reason is that the specific strength, which is an indicator that can withstand temporarily excessive charging pressure or external shock applied to a part of the container at the same weight, is important, but despite the accumulation of the number of deformations of the container due to charging and discharging of the high-pressure gas in the process of repeated use This is because the high-pressure gas inside must not leak.

이러한 수소압력용기는, 수소가스의 높은 내압을 견디기 위해 비강도와 비강성 높은 탄소섬유 및 유리섬유 등의 섬유강화 복합재료로 외피가 보강되며, 내부에는 가스의 기밀성을 유지하는 라이너가 삽입된다. The hydrogen pressure vessel is reinforced with a fiber-reinforced composite material such as carbon fiber and glass fiber with high specific strength and specific stiffness to withstand the high internal pressure of hydrogen gas, and a liner that maintains gas tightness is inserted inside.

여기서, 수소압력용기는 라이너의 재질에 따라 타입(Type)이 나뉜다. 알루미늄과 같은 금속 재질의 라이너가 삽입된 용기를 타입 3(Type Ⅲ)라 하고, HDPE나 PA6와 같은 고밀도 폴리머 재질의 라이너가 삽입된 용기를 타입 4(Type Ⅳ)라 한다. Here, the hydrogen pressure vessel is divided into types according to the material of the liner. A container in which a liner made of a metal material such as aluminum is inserted is called Type 3 (Type III), and a container in which a liner made of a high-density polymer material such as HDPE or PA6 is inserted is called Type 4 (Type IV).

한편, 타입 3, 타입 4의 수소압력용기는 수소 충방전 동안, 라이너와 탄소섬유의 열팽창 계수가 다르기 때문에 피로파괴가 일어나기 쉽다. 또한, 타입 3, 타입 4의 수소압력용기는, 라이너가 손상되면 수소압력용기 전체를 교체해야 문제가 있다. On the other hand, type 3 and type 4 hydrogen pressure vessels are prone to fatigue failure during hydrogen charging and discharging because the thermal expansion coefficients of the liner and the carbon fiber are different. In addition, the hydrogen pressure vessel of type 3 and type 4 has a problem that the entire hydrogen pressure vessel must be replaced if the liner is damaged.

현재 타입 5(Type V) 또한 외국에서 상용화되고는 있지만 탄소섬유 와인딩시 몰드를 제거하기 어려워 수소압력용기 (52L)급을 탄소섬유로 제작하기 어려울뿐더러 수소 기밀성 확보의 어려움이 있다.Currently, Type 5 (Type V) is also commercialized in foreign countries, but it is difficult to remove the mold when winding carbon fiber, so it is difficult to manufacture a hydrogen pressure vessel (52L) grade with carbon fiber, and there is a difficulty in securing hydrogen airtightness.

한국등록특허(10-1922103)Korean Patent Registration (10-1922103)

본 발명의 목적은, 상술한 문제점을 해결할 수 있는 수소압력용기 및 그 제조방법을 제공하는 데 있다.It is an object of the present invention to provide a hydrogen pressure vessel capable of solving the above problems and a method for manufacturing the same.

상기 목적을 달성하기 위한 수소압력용기는,Hydrogen pressure vessel for achieving the above object,

내부가 중공되어 형성되며, 탄소섬유 강화 플라스틱 재질로 제작되는 용기 프레임부; A container frame portion formed with a hollow interior and made of a carbon fiber reinforced plastic material;

상기 용기 프레임부의 내부에 배치되며, 내부공간에 수소가스를 저장하되 저장된 상기 수소가스양에 따라 부피가 가변 가능한 실리콘 이너백; 및 a silicon inner bag disposed inside the container frame and storing hydrogen gas in the inner space, the volume of which is variable according to the amount of the stored hydrogen gas; and

상기 용기 프레임부의 외벽면에 결합되며, 탄소섬유 강화 플라스틱 재질로 제작되는 외벽 보강부를 포함하는 것을 특징으로 한다.It is coupled to the outer wall surface of the container frame part, characterized in that it comprises an outer wall reinforcement made of a carbon fiber reinforced plastic material.

또한, 상기 목적은,In addition, the purpose is

용기 프레임부의 좌측 형상을 형성하는 제1하프몸체부와 용기 프레임부의 우측 형상을 형성하는 제2하프몸체부 각각을 탄소섬유 강화 플라스틱 재질로 제작하는 제1단계;A first step of manufacturing each of the first half body portion forming the left shape of the container frame portion and the second half body portion forming the right shape of the container frame portion with a carbon fiber reinforced plastic material;

내부공간에 수소가스를 저장하되 저장된 상기 수소가스의 양에 따라 부피가 가변 가능한 실리콘 이너백을 상기 제1하프몸체부 및 상기 제2하프몸체부에 결합하는 제2단계;a second step of storing hydrogen gas in an internal space, but coupling a silicon inner bag whose volume is variable according to the amount of the stored hydrogen gas to the first half body part and the second half body part;

상기 제1하프몸체부와 상기 제2하프몸체부를 결합하여 용기 프레임부를 형성하되, 상기 용기 프레임부의 내부에 상기 실리콘 이너백을 배치시키는 제3단계; a third step of forming a container frame part by combining the first half body part and the second half body part, and disposing the silicone inner bag inside the container frame part;

상기 용기 프레임부에 상기 수소가스를 유출입시키기 위한 노즐홀을 구비하는 보스부를 결합하는 제4단계; 및a fourth step of coupling a boss portion having a nozzle hole for flowing the hydrogen gas into and out of the container frame portion; and

상기 용기 프레임부의 외벽면에 상기 탄소섬유 강화 플라스틱 재질로 제작되는 외벽 보강부를 형성하는 제5단계를 포함하는 수소압력용기 제조방법에 의해 달성된다.It is achieved by a hydrogen pressure vessel manufacturing method comprising a fifth step of forming an outer wall reinforcement made of the carbon fiber reinforced plastic material on the outer wall surface of the container frame portion.

본 발명은 종전 타입 5 수소압력용기에서, 수소기밀성 확보를 위한 라이너 대신 실리콘 이너백을 사용한다. 실리콘 이너백은 부피 팽창이 라이너 보다 자유로워 수소 충방전에 따른 수축과 이완을 반복하더라도 피로 파괴될 가능성이 낮다. 설령, 실리콘 이너백이 피로 파괴되더라도, 종전 라이너를 사용할 때와 달리, 실리콘 이너백만을 교체할 수 있어, 종전 라이너 파괴로 인해 수소압력용기 전체를 교체할 때와 달리, 비용이 대폭 절감된다.The present invention uses a silicone inner bag instead of a liner for securing hydrogen tightness in the conventional type 5 hydrogen pressure vessel. The silicone inner bag is less prone to fatigue failure even after repeated contraction and relaxation due to hydrogen charging and discharging because the volume expansion is more free than that of the liner. Even if the silicone inner bag is destroyed by fatigue, unlike when using a conventional liner, only the silicone inner bag can be replaced, and the cost is greatly reduced, unlike when replacing the entire hydrogen pressure vessel due to the destruction of the previous liner.

본 발명에 따른 수소압력용기는 부식이 되지 않고 내구성이 좋으며, 기존 타입 4보다 무게를 약 10%, 타입 3보다 30% 이상 줄일 수 있다.The hydrogen pressure vessel according to the present invention does not corrode and has good durability, and can reduce the weight by about 10% compared to the conventional Type 4 and 30% or more than that of the Type 3.

본 발명은 수소압력용기의 외피로 탄소섬유 강화 플라스틱을 적용한다. 따라서, 비강도 및 비강성은 향상되면서도 경량인 타입 5 수소압력용기를 만들 수 있다.The present invention applies carbon fiber reinforced plastic as the outer shell of the hydrogen pressure vessel. Accordingly, it is possible to make a light-weight type 5 hydrogen pressure vessel while improving specific strength and specific rigidity.

본 발명인 수소압력용기는, 자동차뿐만 아니라, PAV(Personal Air Vehicle), 드론, 헬기 등 다양한 분야에 사용될 수 있다.The hydrogen pressure vessel according to the present invention can be used in various fields such as personal air vehicles (PAVs), drones, and helicopters, as well as automobiles.

도 1은 본 발명의 일 실시예에 따른 수소압력용기를 나타낸 도면이다.
도 2는 본 발명의 일 실시예에 따른 수소압력용기의 용기 프레임부를 나타낸 도면이다.
도 3은 용기 프레임부의 내부에 실리콘 이너백이 결합된 모습을 나타낸 도면이다.
도 4는 용기 프레임부의 외벽면에 외벽 보강부가 형성된 모습을 나타낸 도면이다.
도 5는 본 발명의 일 실시예에 따른 수소압력용기 제조방법을 나타낸 순서도이다.
도 6은 탄소섬유 토우프리프레그 와인딩 방식으로 외벽 보강부가 형성된 수소압력용기를 나타낸 사진이다.1 is a view showing a hydrogen pressure vessel according to an embodiment of the present invention.
2 is a view showing a container frame portion of a hydrogen pressure container according to an embodiment of the present invention.
3 is a view showing a state in which the silicone inner bag is coupled to the inside of the container frame part.
4 is a view showing a state in which the outer wall reinforcement portion is formed on the outer wall surface of the container frame portion.
5 is a flowchart illustrating a method for manufacturing a hydrogen pressure vessel according to an embodiment of the present invention.
6 is a photograph showing a hydrogen pressure vessel in which an outer wall reinforcement part is formed by a carbon fiber tow prepreg winding method.

이하, 본 발명의 일 실시예에 따른 수소압력용기를 자세히 설명한다.Hereinafter, a hydrogen pressure vessel according to an embodiment of the present invention will be described in detail.

도 1에 도시된 바와 같이, 본 발명의 일 실시예에 따른 수소압력용기(1)는, 용기 프레임부(10), 실리콘 이너백(20), 외벽 보강부(30), 보스부(40)로 구성된다.As shown in FIG. 1 , the hydrogen pressure vessel 1 according to an embodiment of the present invention includes a container frame part 10 , a silicon inner bag 20 , an outer wall reinforcement part 30 , and a boss part 40 . is composed of

[용기 프레임부][container frame part]

용기 프레임부(10)는 내부가 중공되어 형성되며, 탄소섬유 강화 플라스틱(Carbon Fiber Reinforced Plastic, CFRP) 재질로 제작된다. 따라서, 가볍고, 고강도, 고탄성률의 수소압력용기(1)를 제작할 수 있다.The container frame part 10 is hollow inside and is made of a carbon fiber reinforced plastic (CFRP) material. Accordingly, it is possible to manufacture the hydrogen pressure vessel 1 having a light weight, high strength, and high modulus of elasticity.

용기 프레임부(10)는 양단부가 돔 형상으로 형성된 원통이다. 돔 형상의 양단에는 수소가스를 유출입시키기 위한 입출구(E)가 형성된다. The container frame part 10 is a cylinder in which both ends are formed in a dome shape. At both ends of the dome shape, inlet and outlet (E) for flowing in and out of hydrogen gas are formed.

도 2에 도시된 바와 같이, 용기 프레임부(10)는 제1하프몸체부(11)와 제2하프몸체부(12)로 구성된다. 용기 프레임부(10)가 제1하프몸체부(11)와 제2하프몸체부(12)로 분리됨으로써, 그 내부에 후술하는 실리콘 이너백(20)을 배치시킬 수 있다.As shown in FIG. 2 , the container frame part 10 includes a first half body part 11 and a second half body part 12 . Since the container frame part 10 is separated into the first half body part 11 and the second half body part 12, a silicone inner bag 20 to be described later can be disposed therein.

제1하프몸체부(11)는 용기 프레임부(10)의 좌측 형상을 형성한다. 제2하프몸체부(12)는 용기 프레임부(10)의 우측 형상을 형성한다.The first half body portion 11 forms a left-hand shape of the container frame portion 10 . The second half body part 12 forms a right-hand shape of the container frame part 10 .

제2하프몸체부(12)와 결합되는 제1하프몸체부(11)의 말단부에는 제1단차부(11a)가 형성되며, 제1하프몸체부(11)와 결합되는 제2하프몸체부(12)의 말단부에는 제1단차부(11a)와 결합되는 제2단차부(12a)가 형성된다.A first step portion 11a is formed at the distal end of the first half body portion 11 coupled to the second half body portion 12, and a second half body portion coupled to the first half body portion 11 ( A second step portion 12a coupled to the first step portion 11a is formed at the distal end of 12).

상기 제1단차부(11a)는 상기 제1하프몸체부(11)의 내벽면에서 외벽면 방향으로 함몰되어 형성되며, 상기 제2단차부(12a)는 상기 제2하프몸체부(12)의 외벽면에서 내벽면 방향으로 함몰되어 형성된다. 제1단차부(11a)로 제2단차부(12a)가 삽입되면, 제1하프몸체부(11)와 제2하프몸체부(12)가 결합된다. 제1하프몸체부(11)와 제2하프몸체부(12)는 분리되지 않도록, 제1단차부(11a)로 제2단차부(12a)가 삽입되기 전, 제1단차부(11a)의 내주면과 제2단차부(12a)의 외주면에 접착제가 발라진다.The first step portion 11a is formed by being recessed from the inner wall surface of the first half body portion 11 in the direction of the outer wall surface, and the second step portion 12a is the second half body portion 12 . It is formed by being depressed in the direction from the outer wall surface to the inner wall surface. When the second step portion 12a is inserted into the first step portion 11a, the first half body portion 11 and the second half body portion 12 are coupled. Before the second step portion 12a is inserted into the first step portion 11a so that the first half body portion 11 and the second half body portion 12 are not separated, the first step portion 11a An adhesive is applied to the inner circumferential surface and the outer circumferential surface of the second step portion 12a.

[실리콘 이너백][Silicone Inner Bag]

도 1, 도 3, 도 4에 도시된 바와 같은, 실리콘 이너백(20)은 용기 프레임부(10)의 내부에 배치되며, 내부공간에 수소가스를 저장한다. 도 1에서 실리콘 이너백(20)은 수소가 채워져 팽창된 상태고, 도 3 및 도 4에서 실리콘 이너백(20)은 채워진 수소가 없어 수축된 상태다.1, 3, and 4, the silicon inner bag 20 is disposed inside the container frame unit 10, and stores hydrogen gas in the inner space. In FIG. 1 , the silicon inner bag 20 is filled with hydrogen and is in an expanded state, and in FIGS. 3 and 4 , the silicon inner bag 20 is in a contracted state because there is no hydrogen filled therein.

실리콘 이너백(20)의 양단부에는 수소가스가 저장되는 내부공간에 연통되는 입출구(E1)가 형성된다. 실리콘 이너백(20)의 입출구(E1)와 용기 프레임부(10)의 입출구(E)가 연통되도록, 실리콘 이너백(20)의 양단부와 용기 프레임부(10)의 양단부가 결합된다.At both ends of the silicon inner bag 20, an inlet/outlet E1 communicating with an internal space in which hydrogen gas is stored is formed. Both ends of the silicone inner bag 20 and both ends of the container frame 10 are coupled so that the entrance E1 of the silicone inner bag 20 and the entrance E of the container frame 10 communicate with each other.

실리콘 이너백(20)은 실리콘 고무 재질로 만든다. 실리콘 이너백(20)은 신축성이 좋다. 따라서, 저장된 수소가스의 양에 따라 실리콘 이너백(20)의 부피가 가변 가능하다. 실리콘 이너백(20)의 내부공간에 수소가스가 주입되기 전에는 도 3에 도시된 바와 같이, 실리콘 이너백(20)은 수축되어 용기 프레임부(10)의 내벽면에 밀착되지 않는다. 그러나, 실리콘 이너백(20)의 내부공간에 수소가스가 주입되어 실리콘 이너백(20)의 내부공간의 압력이 높아지면, 도 1에 도시된 바와 같이, 실리콘 이너백(20)은 팽창하여 용기 프레임부(10)의 내벽면에 밀착된다.The silicone inner bag 20 is made of a silicone rubber material. The silicone inner bag 20 has good elasticity. Accordingly, the volume of the silicon inner bag 20 is variable according to the amount of stored hydrogen gas. Before hydrogen gas is injected into the inner space of the silicon inner bag 20 , as shown in FIG. 3 , the silicon inner bag 20 is contracted and does not adhere to the inner wall surface of the container frame part 10 . However, when hydrogen gas is injected into the inner space of the silicon inner bag 20 and the pressure of the inner space of the silicon inner bag 20 increases, as shown in FIG. 1 , the silicon inner bag 20 expands and expands the container. It is in close contact with the inner wall surface of the frame portion (10).

또한, 실리콘 이너백(20)은 내피로성이 좋다. 따라서, 종래의 타입 3, 타입 4의 수소저장용기에 사용되는 알루미늄 라이너, HDPE 라이너, PA6 라이너와 달리, 수소가스의 충방전 횟수에 따라 실리콘 이너백(20)의 수축과 이완이 반복되더라도 피로파괴가 발생할 가능성이 낮다. 또한, 실리콘 이너백(20)은 기밀성이 좋아 내부공간에 저장된 수소가스의 누출이 적을 뿐만 아니라 가볍다. 또한, 실리콘 이너백(20)이 손상될 경우, 수소압력용기에서 손상된 실리콘 이너백(20)만 교체할 수 있어, 수소압력용기 전체를 교체할 필요가 없어 비용이 절감된다.In addition, the silicone inner bag 20 has good fatigue resistance. Therefore, unlike the aluminum liners, HDPE liners, and PA6 liners used in the conventional type 3 and type 4 hydrogen storage containers, fatigue failure occurs even if the contraction and relaxation of the silicone inner bag 20 are repeated according to the number of times of charging and discharging of hydrogen gas. is less likely to occur. In addition, the silicon inner bag 20 has good airtightness, so the leakage of hydrogen gas stored in the inner space is small as well as being lightweight. In addition, when the silicon inner bag 20 is damaged, only the damaged silicon inner bag 20 can be replaced in the hydrogen pressure vessel, and there is no need to replace the entire hydrogen pressure vessel, thereby reducing costs.

[외벽 보강부][Exterior wall reinforcement part]

도 4에 도시된 바와 같이, 외벽 보강부(30)는 용기 프레임부(10)의 외벽면에 결합된다. 외벽 보강부(30)는 탄소섬유 강화 플라스틱 재질로 제작된다. 외벽 보강부(30)는 용기 프레임부(10)와 동일한 재질로 형성됨으로써, 용기 프레임부(10)와의 결합력을 높일 수 있다. As shown in FIG. 4 , the outer wall reinforcing part 30 is coupled to the outer wall surface of the container frame part 10 . The outer wall reinforcement 30 is made of a carbon fiber reinforced plastic material. The outer wall reinforcing part 30 may be formed of the same material as the container frame part 10 , thereby increasing the bonding force with the container frame part 10 .

외벽 보강부(30)의 양단부에는 수소가스를 유출입시키기 위한 입출구(E)가 형성된다. 외벽 보강부(30)의 입출구(E)와 실리콘 이너백(20)의 입출구(E1)와 용기 프레임부(10)의 입출구(E)는 서로 연통된다.At both ends of the outer wall reinforcement part 30, an inlet/outlet (E) for flowing in and out of hydrogen gas is formed. The entrance (E) of the outer wall reinforcement part (30), the entrance (E1) of the silicone inner bag (20), and the entrance (E) of the container frame part (10) communicate with each other.

이와 같이, 외벽 보강부(30)가 용기 프레임부(10)의 외벽면을 다시 감쌈으로써, 용기 프레임부(10)의 하프몸체부와 제2하프몸체부(12)의 결합으로 인해 저하될 수 있는 강도를 보강할 수 있다. As such, the outer wall reinforcing part 30 wraps around the outer wall surface of the container frame part 10 again, so that it can be lowered due to the coupling of the half body part and the second half body part 12 of the container frame part 10 . strength can be reinforced.

[보스부][Boss]

보스부(40)는 수소가스를 유출입시키기 위한 노즐홀(H)이 구비된다. 보스부(40)는 제1하프몸체부(11)의 입출구(E)와 제2하프몸체부(12)와 입출구(E)에 각각 결합된다.The boss unit 40 is provided with a nozzle hole (H) for flowing in and out of hydrogen gas. The boss 40 is coupled to the inlet and outlet E of the first half body 11 and the second half body 12 and the inlet and outlet E, respectively.

이하, 본 발명의 일 실시예에 따른 수소압력용기의 제조방법을 자세히 설명한다. 도 1 내지 도 4를 기본적으로 참조한다. Hereinafter, a method for manufacturing a hydrogen pressure vessel according to an embodiment of the present invention will be described in detail. Reference is made basically to FIGS. 1 to 4 .

도 5에 도시된 바와 같이, 본 발명의 일 실시예에 따른 수소압력용기의 제조방법은,As shown in Figure 5, the method for manufacturing a hydrogen pressure vessel according to an embodiment of the present invention,

용기 프레임부의 좌측 형상을 형성하는 제1하프몸체부와 용기 프레임부의 우측 형상을 형성하는 제2하프몸체부 각각을 탄소섬유 강화 플라스틱 재질로 제작하는 제1단계(S11);A first step (S11) of manufacturing each of the first half body part forming the left shape of the container frame part and the second half body part forming the right shape of the container frame part out of carbon fiber reinforced plastic material;

내부공간에 수소가스를 저장하되 저장된 상기 수소가스의 양에 따라 부피가 가변 가능한 실리콘 이너백을 상기 제1하프몸체부 및 상기 제2하프몸체부에 결합하는 제2단계(S12);a second step (S12) of storing hydrogen gas in the internal space, but coupling a silicon inner bag whose volume is variable according to the amount of the stored hydrogen gas to the first half body part and the second half body part;

상기 제1하프몸체부와 상기 제2하프몸체부를 결합하여 용기 프레임부를 형성하되, 상기 용기 프레임부의 내부에 상기 실리콘 이너백을 배치시키는 제3단계(S13); a third step (S13) of combining the first half body part and the second half body part to form a container frame part, and disposing the silicone inner bag inside the container frame part;

상기 용기 프레임부에 상기 수소가스를 유출입시키기 위한 노즐홀을 구비하는 보스부를 결합하는 제4단계(S14); 및a fourth step (S14) of coupling a boss portion having a nozzle hole for flowing the hydrogen gas into and out of the container frame portion (S14); and

상기 용기 프레임부의 외벽면에 상기 탄소섬유 강화 플라스틱 재질로 제작되는 외벽 보강부를 형성하는 제5단계(S15)로 구성된다.It consists of a fifth step (S15) of forming an outer wall reinforcement made of the carbon fiber reinforced plastic material on the outer wall surface of the container frame portion.

이하, 제1단계(S11)를 설명한다.Hereinafter, the first step (S11) will be described.

양단이 돔 형상으로 형성된 원통 형상의 용기 프레임부(10)의 좌측 형상을 형성하는 제1하프몸체부(11)와, 양단이 돔 형상으로 형성된 원통 형상의 용기 프레임부(10)의 우측 형상을 형성하는 제2하프몸체부(12)를 각각 제작한다.The first half body part 11 forming the left shape of the cylindrical container frame part 10 having both ends formed in a dome shape, and the right shape of the cylindrical container frame part 10 having both ends formed in the dome shape Each of the second half body parts 12 to be formed is manufactured.

제1하프몸체부(11)와 제2하프몸체부(12)는 탄소섬유 강화 플라스틱(CFRP) 재질로 제작된다.The first half body part 11 and the second half body part 12 are made of a carbon fiber reinforced plastic (CFRP) material.

탄소섬유 강화 플라스틱(CFRP) 재질의 제1하프몸체부(11)와 제2하프몸체부(12)는 탄소섬유 토우프레프레그 와인딩(Towprepreg Winding) 방식으로 제작된다. 즉, 제1하프몸체부(11)와 제2하프몸체부(12) 형상의 몰드에 탄소섬유 토우프리프레그를 감아 제1하프몸체부(11)와 제2하프몸체부(12)를 성형하고, 몰드로부터 탈형하여 제1하프몸체부(11)와 제2하프몸체부(12)를 만든다.The first half body part 11 and the second half body part 12 made of carbon fiber reinforced plastic (CFRP) material are manufactured by a carbon fiber towpreg winding method. That is, the carbon fiber tow prepreg is wound around the mold having the shape of the first half body part 11 and the second half body part 12 to form the first half body part 11 and the second half body part 12, , demolding from the mold to make the first half body part 11 and the second half body part 12 .

이하, 제2단계(S12)를 설명한다.Hereinafter, the second step (S12) will be described.

실리콘 이너백(20)은 내부공간에 수소가스를 저장하되 저장된 상기 수소가스의 양에 따라 부피가 가변 가능하다. 즉, 실리콘 이너백(20)은 신축성이 있어 인장 및 압축이 가능하다.The silicon inner bag 20 stores hydrogen gas in the internal space, but the volume is variable according to the amount of the stored hydrogen gas. That is, since the silicone inner bag 20 has elasticity, it can be stretched and compressed.

실리콘 이너백(20)의 입출구(E1)와 용기 프레임부(10) 양단의 입출구(E)가 연통되게, 실리콘 이너백(20)의 일단 입출구(E1)를 제1하프몸체부(11)의 입출구(E)에 접착시키고, 실리콘 이너백(20)의 타단 입출구(E1)를 제2하프몸체부(12)의 입출구(E)에 접착시킨다.One end of the silicone inner bag 20 is connected to the entrance E1 of the first half body 11 so that the entrance and exit E1 of the silicone inner bag 20 and the entrance and exit ports E of both ends of the container frame part 10 communicate with each other. Adhesive to the entrance (E), the other end entrance (E1) of the silicone inner bag (20) is bonded to the entrance (E) of the second half body (12).

한편, 실리콘 이너백(20)의 교체가 더 쉽도록, 실리콘 이너백(20)의 입출구(E1)를 보스부(40)의 노즐홀(H)의 내벽에 접착시킬 수도 있다. 이 경우, 보스부(40) 제거 없이도, 보스부(40)의 노즐홀(H)을 통해, 실리콘 이너백(20)을 쉽게 빼낼 수 있다.Meanwhile, in order to facilitate replacement of the silicone inner bag 20 , the inlet and outlet E1 of the silicone inner bag 20 may be adhered to the inner wall of the nozzle hole H of the boss unit 40 . In this case, the silicon inner bag 20 can be easily removed through the nozzle hole H of the boss part 40 without removing the boss part 40 .

이하, 제3단계(S13)를 설명한다.Hereinafter, the third step (S13) will be described.

제1하프몸체부(11)의 제1단차부(11a) 내주면과, 제2하프몸체부(12)의 제2단차부(12a) 외주면에 접착제를 바른다. 제1하프몸체부(11)의 제1단차부(11a)로 제2하프몸체부(12)의 제2단차부(12a)를 삽입하여, 제1하프몸체부(11)와 제2하프몸체부(12)를 접착시킨다.An adhesive is applied to the inner peripheral surface of the first stepped portion 11a of the first half body 11 and the outer peripheral surface of the second stepped portion 12a of the second half body 12 . Inserting the second stepped portion 12a of the second half body 12 into the first stepped portion 11a of the first half body 11, the first half body 11 and the second half body The part 12 is adhered.

이하, 제4단계(S14)를 설명한다.Hereinafter, the fourth step (S14) will be described.

제1하프몸체부(11)의 돔 형상의 말단에 형성된 입출구(E)와, 제2하프몸체부(12)의 돔 형상의 말단에 형성된 입출구(E)에 수소가스를 유출입 시키기 위한 노즐홀(H)을 구비하는 보스부(40)를 삽입하여 결합한다. 결합된 보스부(40)의 노즐홀(H)은 실리콘 이너백(20)의 내부공간과 연통된다.Nozzle hole (E) formed at the end of the dome shape of the first half body part 11 and the inlet and outlet (E) formed at the end of the dome shape of the second half body part 12 through which hydrogen gas flows in and out ( H) by inserting the boss portion 40 having a coupling. The nozzle hole H of the coupled boss 40 communicates with the inner space of the silicon inner bag 20 .

이하, 제5단계(S15)를 설명한다.Hereinafter, the fifth step (S15) will be described.

용기 프레임부(10)의 외벽면에 외벽 보강부(30)를 형성한다. 외벽 보강부(30)는 탄소섬유 강화 플라스틱 재질로 제작된다. An outer wall reinforcement part 30 is formed on the outer wall surface of the container frame part 10 . The outer wall reinforcement 30 is made of a carbon fiber reinforced plastic material.

도 6에 도시된 바와 같이, 탄소섬유 강화 플라스틱 재질의 외벽 보강부(30)는 제1하프몸체부(11) 및 제2하프몸체부(12)와 마찬가지로 탄소섬유 토우프레프레그 와인딩 방식으로 제작한다. 즉, 제1하프몸체부(11)와 제2하프몸체부(12)가 결합된 용기 프레임부(10)의 외면에 탄소섬유 토우프리프레그를 감아 외벽 보강부(30)를 만든다.As shown in FIG. 6 , the outer wall reinforcement part 30 made of carbon fiber reinforced plastic material is manufactured by a carbon fiber towpreg winding method like the first half body part 11 and the second half body part 12 . do. That is, the carbon fiber tow prepreg is wound around the outer surface of the container frame part 10 to which the first half body part 11 and the second half body part 12 are coupled to make the outer wall reinforcement part 30 .

제1단계(S11) 내지 제5단계(S15)를 거쳐, 수소압력용기(1)가 제조된다.Through the first step (S11) to the fifth step (S15), the hydrogen pressure vessel 1 is manufactured.

1: 수소압력용기 10: 용기 프레임부
11: 제1하프몸체부 11a: 제1단차부
12: 제2하프몸체부 12a: 제2단차부
20: 실리콘 이너백 30: 외벽 보강부
40: 보스부1: hydrogen pressure vessel 10: vessel frame part
11: first half body part 11a: first step part
12: second half body portion 12a: second step portion
20: silicone inner bag 30: outer wall reinforcement
40: boss

Claims (5)

내부가 중공되어 형성되며, 탄소섬유 강화 플라스틱(CFRP) 재질로 제작되는 용기 프레임부;
상기 용기 프레임부의 내부에 배치되며, 내부공간에 수소가스를 저장하되 저장된 상기 수소가스의 양에 따라 부피가 가변 가능한 실리콘 이너백; 및
상기 용기 프레임부의 외벽면에 결합되며, 탄소섬유 강화 플라스틱 재질로 제작되는 외벽 보강부를 포함하는 것을 특징으로 하는 수소압력용기.The container frame part is hollow inside and made of carbon fiber reinforced plastic (CFRP) material;
a silicon inner bag disposed inside the container frame and storing hydrogen gas in the inner space, the volume of which is variable according to the amount of the stored hydrogen gas; and
Hydrogen pressure vessel coupled to the outer wall surface of the container frame portion, characterized in that it comprises an outer wall reinforcement made of a carbon fiber reinforced plastic material. 제1항에 있어서, 상기 용기 프레임부는,
상기 용기 프레임부의 좌측 형상을 형성하는 제1하프몸체부; 및
상기 용기 프레임부의 우측 형상을 형성하며, 상기 제1하프몸체부와 결합되는 제2하프몸체부를 포함하며,
상기 제2하프몸체부와 결합되는 상기 제1하프몸체부의 말단부에는 제1단차부가 형성되며, 상기 제1하프몸체부와 결합되는 상기 제2하프몸체부의 말단부에는 상기 제1단차부와 결합되는 제2단차부가 형성되며,
상기 제1단차부는 상기 제1하프몸체부의 내벽면에서 외벽면 방향으로 함몰되어 형성되며, 상기 제2단차부는 상기 제2하프몸체부의 외벽면에서 내벽면 방향으로 함몰되어 형성되는 것을 특징으로 하는 수소압력용기.According to claim 1, wherein the container frame portion,
a first half body forming a shape on the left side of the container frame; and
It forms a right side shape of the container frame part and includes a second half body part coupled to the first half body part,
A first step portion is formed at a distal end of the first half body portion coupled to the second half body portion, and a first step portion coupled to the first step portion at a distal end portion of the second half body portion coupled with the first half body portion A second step is formed,
The first step portion is formed by being depressed from the inner wall surface of the first half body portion in the direction of the outer wall surface, and the second step portion is formed by being depressed from the outer wall surface of the second half body portion in the direction of the inner wall surface. pressure vessel. 용기 프레임부의 좌측 형상을 형성하는 제1하프몸체부와 용기 프레임부의 우측 형상을 형성하는 제2하프몸체부 각각을 탄소섬유 강화 플라스틱 재질로 제작하는 제1단계;
내부공간에 수소가스를 저장하되 저장된 상기 수소가스의 양에 따라 부피가 가변 가능한 실리콘 이너백을 상기 제1하프몸체부 및 상기 제2하프몸체부에 결합하는 제2단계;
상기 제1하프몸체부와 상기 제2하프몸체부를 결합하여 용기 프레임부를 형성하되, 상기 용기 프레임부의 내부에 상기 실리콘 이너백을 배치시키는 제3단계;
상기 용기 프레임부에 상기 수소가스를 유출입시키기 위한 노즐홀을 구비하는 보스부를 결합하는 제4단계; 및
상기 용기 프레임부의 외벽면에 상기 탄소섬유 강화 플라스틱 재질로 제작되는 외벽 보강부를 형성하는 제5단계를 포함하는 것을 특징으로 하는 수소압력용기 제조방법.A first step of manufacturing each of the first half body portion forming the left shape of the container frame portion and the second half body portion forming the right shape of the container frame portion with a carbon fiber reinforced plastic material;
a second step of storing hydrogen gas in an internal space, but coupling a silicon inner bag whose volume is variable according to the amount of the stored hydrogen gas to the first half body part and the second half body part;
a third step of forming a container frame part by combining the first half body part and the second half body part, and disposing the silicone inner bag inside the container frame part;
a fourth step of coupling a boss portion having a nozzle hole for flowing in and out of the hydrogen gas to the container frame portion; and
A hydrogen pressure vessel manufacturing method comprising a fifth step of forming an outer wall reinforcement made of the carbon fiber reinforced plastic material on the outer wall surface of the container frame portion. 제3항에 있어서, 상기 제1단계에서,
상기 제1하프몸체부 및 상기 제2하프몸체부는 탄소섬유 토우프리프레그 와인딩(Towprepreg Winding) 방식으로 제작되는 것을 특징으로 하는 수소압력용기 제조방법.The method of claim 3, wherein in the first step,
The method of manufacturing a hydrogen pressure vessel, characterized in that the first half body portion and the second half body portion are manufactured by a carbon fiber tow prepreg winding method. 제3항에 있어서, 상기 제5단계에서,
상기 외벽 보강부는 탄소섬유 토우프리프레그 와인딩(Towprepreg Winding) 방식으로 제작되는 것을 특징으로 하는 수소압력용기 제조방법.According to claim 3, In the fifth step,
The method for manufacturing a hydrogen pressure vessel, characterized in that the outer wall reinforcement part is manufactured by a carbon fiber tow prepreg winding (Towprepreg Winding) method.
KR1020200158415A 2020-11-24 2020-11-24 Hydrogen Pressure Vessel And Method For Manufacturing The Same KR102427309B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020200158415A KR102427309B1 (en) 2020-11-24 2020-11-24 Hydrogen Pressure Vessel And Method For Manufacturing The Same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020200158415A KR102427309B1 (en) 2020-11-24 2020-11-24 Hydrogen Pressure Vessel And Method For Manufacturing The Same

Publications (2)

Publication Number Publication Date
KR20220072889A true KR20220072889A (en) 2022-06-03
KR102427309B1 KR102427309B1 (en) 2022-08-01

Family

ID=81983643

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020200158415A KR102427309B1 (en) 2020-11-24 2020-11-24 Hydrogen Pressure Vessel And Method For Manufacturing The Same

Country Status (1)

Country Link
KR (1) KR102427309B1 (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20090125265A (en) * 2007-03-02 2009-12-04 에너씨 트랜스포트 엘엘씨 Storing, transporting and handling compressed fluids
JP5071351B2 (en) * 2008-11-07 2012-11-14 トヨタ自動車株式会社 Method for manufacturing resin liner and method for manufacturing fluid storage container
JP5632480B2 (en) * 2009-11-02 2014-11-26 コリア リサーチ インスティテュート オブ スタンダーズ アンド サイエンスＫｏｒｅａ Ｒｅｓｅａｒｃｈ Ｉｎｓｔｉｔｕｔｅ Ｏｆ Ｓｔａｎｄａｒｄｓ Ａｎｄ Ｓｃｉｅｎｃｅ Container pressure resistance test apparatus, and container pressure resistance test method using the test apparatus
JP5839378B2 (en) * 2012-06-19 2016-01-06 バイオコーク技研株式会社 Hydrogen generator
KR101922103B1 (en) 2016-06-13 2019-02-13 회명산업 주식회사 Hydrogen stage vessel and method for manufacturing the same
CN111102465A (en) * 2018-10-25 2020-05-05 中国石油化工股份有限公司 High-pressure hydrogen storage cylinder with plastic liner wound with prepreg tape and manufacturing method thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20090125265A (en) * 2007-03-02 2009-12-04 에너씨 트랜스포트 엘엘씨 Storing, transporting and handling compressed fluids
JP5071351B2 (en) * 2008-11-07 2012-11-14 トヨタ自動車株式会社 Method for manufacturing resin liner and method for manufacturing fluid storage container
JP5632480B2 (en) * 2009-11-02 2014-11-26 コリア リサーチ インスティテュート オブ スタンダーズ アンド サイエンスＫｏｒｅａ Ｒｅｓｅａｒｃｈ Ｉｎｓｔｉｔｕｔｅ Ｏｆ Ｓｔａｎｄａｒｄｓ Ａｎｄ Ｓｃｉｅｎｃｅ Container pressure resistance test apparatus, and container pressure resistance test method using the test apparatus
JP5839378B2 (en) * 2012-06-19 2016-01-06 バイオコーク技研株式会社 Hydrogen generator
KR101922103B1 (en) 2016-06-13 2019-02-13 회명산업 주식회사 Hydrogen stage vessel and method for manufacturing the same
CN111102465A (en) * 2018-10-25 2020-05-05 中国石油化工股份有限公司 High-pressure hydrogen storage cylinder with plastic liner wound with prepreg tape and manufacturing method thereof

Also Published As

Publication number Publication date
KR102427309B1 (en) 2022-08-01

Similar Documents

Publication Publication Date Title
CN107709794B (en) Method for producing a gas bag accumulator and gas bag accumulator produced according to said method
JP4599380B2 (en) Seal structure of high pressure vessel
US5865923A (en) Method of fabricating a dual chamber composite pressure vessel
US11421825B2 (en) Pressure vessel
US11371659B2 (en) Boss with internal bearing
CN102062211A (en) Pressure vessel having improved sealing arrangement
KR20130100048A (en) Gas cylinder
EP3385597B1 (en) A composite vessel assembly and method of manufacture
CN110345374B (en) High-pressure tank
KR101628556B1 (en) A method for manufacturing pressure vessel of non-cylinderical type having hardy bulkhead
EP0454978B1 (en) Plastic fuel tank and method for molding the same
KR102427309B1 (en) Hydrogen Pressure Vessel And Method For Manufacturing The Same
JP4393155B2 (en) Pressure vessel
JP2005009559A (en) Laminated body for shell and pressure vessel using it
US20240175554A1 (en) End boss sealing
US20220299162A1 (en) High-pressure tank and method for manufacturing high-pressure tank
US20220010928A1 (en) High pressure tank
US20210276284A1 (en) Method for producing a pressure accumulator
CN108790797A (en) Plastic inner container winds the liner of composite cylinder entirely
US20230151928A1 (en) Method for Producing a Pressure Vessel and Pressure Vessel
WO2023279458A1 (en) High-pressure hydrogen storage tank made of carbon fiber composite material, and manufacturing process therefor
JP2020112234A (en) Pressure vessel
US20220381401A1 (en) High pressure composite pressure vessel method of manufacture and product
WO2023120975A1 (en) Pressure vessel with small diameter and long axis
JP6733228B2 (en) Pressure vessel

Legal Events

Date Code Title Description
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
GRNT Written decision to grant