KR20120027907A - The apparatus for leaking check of hydraulic and pneumatic components - Google Patents

The apparatus for leaking check of hydraulic and pneumatic components Download PDF

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KR20120027907A
KR20120027907A KR1020100089755A KR20100089755A KR20120027907A KR 20120027907 A KR20120027907 A KR 20120027907A KR 1020100089755 A KR1020100089755 A KR 1020100089755A KR 20100089755 A KR20100089755 A KR 20100089755A KR 20120027907 A KR20120027907 A KR 20120027907A
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leakage
gas
cylinder
pneumatic components
pneumatic
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KR1020100089755A
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Korean (ko)
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KR101195493B1 (en
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이중엽
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한국항공우주연구원
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02K—JET-PROPULSION PLANTS
    • F02K9/00—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof
    • F02K9/96—Rocket-engine plants, i.e. plants carrying both fuel and oxidant therefor; Control thereof characterised by specially adapted arrangements for testing or measuring

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Examining Or Testing Airtightness (AREA)

Abstract

PURPOSE: A leakage test device for measuring the leakage amount of hydraulic and pneumatic components is provided to enable a person to cost-efficiently and accurately measure the leakage amount of components with the naked eye. CONSTITUTION: A leakage test device for measuring the leakage amount of hydraulic and pneumatic components comprises a water tub(10), cylinders(20) for checking leakage, injection ports(30), and hoses(40). Liquid for measuring fluid or gas leakage in pneumatic components is put into the water tub. The cylinders are located at the inside the water tub and stores the liquid. The injection ports collect gas leaking from the pneumatic components and inject the collected gas into the cylinders. The hoses connect the ports installed in the cylinders to each other.

Description

유공압 부품의 누설량 측정을 위한 기밀시험장치{THE APPARATUS FOR LEAKING CHECK OF HYDRAULIC AND PNEUMATIC COMPONENTS}Leakage Test Device for Measuring Leakage of Pneumatic Components {THE APPARATUS FOR LEAKING CHECK OF HYDRAULIC AND PNEUMATIC COMPONENTS}

본 발명은 경제적이고 간편하게 유공압 부품의 누설량을 측정하기 위한 장치에 관한 것으로서, 보다 구체적으로는 유공압 부품의 유체 또는 기체 누설량 측정을 위한 액체가 담긴 수조(10); 상기 수조 내부에 위치하며, 상기 수조에 담긴 액체를 가둘 수 있는 누설 확인용 실린더(20); 상기 유공압 부품으로부터 누설되는 기체를 포집하여 수조 및 실린더 내부로 주입시키는 누설기체 주입용 포트(30); 및 상기 수조 및 실린더에 설치된 포트(30)들을 서로 연결하는 호스(40)를 포함하는 유공압 부품의 누설량 측정 장치에 관한 것이다.The present invention relates to a device for measuring the leakage of the pneumatic components economically and conveniently, and more specifically, a water tank (10) containing a liquid for measuring the leakage of fluid or gas of the pneumatic components; Located in the tank, the leak-checking cylinder 20 can trap the liquid contained in the tank; A leaking gas injection port 30 which collects the gas leaking from the pneumatic components and injects the gas into the water tank and the cylinder; And a hose 40 for connecting the ports 30 installed in the water tank and the cylinder to each other.

액체 로켓의 액체 추진기관에는 다수의 유공압 부품들이 장착되어 운용되고 있다. 일반적으로 액체 로켓용 유공압 부품은 크게 유압용 밸브와 공압용(기체용) 밸브로 나눌 수 있다. 추진기관에는 상온/극저온, 고압/저압을 제어하는 각종 유공압 부품들이 존재하며, 내경도 요구도에 따라 천차만별인 실정이다. The liquid propulsion engine of the liquid rocket is equipped with a large number of hydraulic components. In general, the hydraulic rocket pneumatic components can be largely divided into a hydraulic valve and a pneumatic (gas) valve. There are various pneumatic components to control the room temperature / cryogenic temperature, high pressure / low pressure in the propulsion engine, the situation is very different depending on the inner diameter requirements.

해당 부품의 용도, 임무에 따라 누설규격도 각기 달리 요구되는데, 액체 로켓의 유공압 부품들은 최종 탑재 전에 작동특성 및 누설정도를 시험적으로 확인한 다음 해당 부품의 성능을 최종 판단하게 된다. Depending on the purpose and mission of the part, different leakage specifications are required. The hydraulic pneumatic parts of the liquid rockets are tested for their operational characteristics and leakage prior to final installation, and then the final performance of the parts is determined.

이러한 인증시험에 합격한 부품만이 액체 로켓 등 비행체에 장착되어 최종 비행시험을 수행하게 되는바, 정량적 누설량을 정확하게 측정하기 위하여 단품 개발단계에서 경제적이고 간편하게 누설량을 측정하는 장치의 개발이 요구되는 실정이었다.Only parts that pass the certification test are mounted on a vehicle such as a liquid rocket to perform a final flight test. Therefore, in order to accurately measure quantitative leakage, it is necessary to develop a device for measuring leakage easily and economically in the development stage. It was.

본 발명은 상기와 같은 경제적이고 간편하면서도 정확한 누설량 측정에 대한 요구를 만족시키기 위하여 창안된 것으로, 유공압 부품의 유체 또는 기체 누설량 측정을 위한 액체가 담긴 수조; 상기 수조 내부에 위치하며, 상기 수조에 담긴 액체를 가둘 수 있는 누설 확인용 실린더; 상기 유공압 부품으로부터 누설되는 기체를 포집하여 수조 및 실린더 내부로 주입시키는 누설기체 주입용 포트; 및 상기 수조 및 실린더에 설치된 포트들을 서로 연결하는 호스를 포함하는 유공압 부품의 누설량 측정 장치를 제공하는 것을 목적으로 한다.The present invention was devised to satisfy the demand for the above-described economical and simple yet accurate leak rate measurement, the tank containing a liquid for measuring the fluid or gas leakage amount of the pneumatic components; Located inside the tank, the leakage confirmation cylinder for confining the liquid contained in the tank; A leaking gas injection port for collecting the gas leaking from the pneumatic components and injecting the gas into the water tank and the cylinder; And it is an object of the present invention to provide an apparatus for measuring the leakage of a pneumatic component including a hose connecting the ports installed in the water tank and the cylinder with each other.

상기 본 발명의 과제를 이루기 위하여, 본 발명은 유공압 부품의 유체 또는 기체 누설량 측정을 위한 액체가 담긴 수조; 상기 수조 내부에 위치하며, 상기 수조에 담긴 액체를 가둘 수 있는 누설 확인용 실린더; 상기 유공압 부품으로부터 누설되는 기체를 포집하여 수조 및 실린더 내부로 주입시키는 누설기체 주입용 포트; 및 상기 수조 및 실린더에 설치된 포트들을 서로 연결하는 호스를 포함하는 유공압 부품의 누설량 측정 장치를 제공한다.In order to achieve the above object of the present invention, the present invention is a tank containing a liquid for measuring the fluid or gas leakage amount of the pneumatic components; Located inside the tank, the leakage confirmation cylinder for confining the liquid contained in the tank; A leaking gas injection port for collecting the gas leaking from the pneumatic components and injecting the gas into the water tank and the cylinder; And a hose connecting the ports installed in the water tank and the cylinder to each other.

여기에서, 상기 실린더는 포집된 기체를 배출하여 주기 위한 배출밸브(50)를 더 포함할 수 있다.Here, the cylinder may further include a discharge valve 50 for discharging the trapped gas.

여기에서, 상기 실린더는 누설량의 정도에 따라 그 부피를 달리하여 복수 개 구비할 수 있다.Here, the cylinder may be provided in plurality in varying the volume according to the degree of leakage.

본 발명에 의한 유공압 부품의 누설량 측정장치는 경제적이고 간편하면서도 매우 정확하게 육안으로 누설량을 측정할 수 있어 신뢰도가 높으며, 허용 누설량이 각기 다른 유공압 부품류에 대하여 그 누설 정도에 따라 확인용 실린더에 차이를 두기 때문에 정밀도가 높다는 효과가 있다. Leakage measuring device of the pneumatic components according to the present invention is economical, simple and very accurate, it is possible to measure the leakage amount with the naked eye, and the reliability is high, and the allowable amount of leakage for different pneumatic components are different depending on the leakage degree of the cylinder for checking Therefore, the effect is high.

도 1은 본 발명에 의한 유공압 부품의 누설량 측정장치의 모식도이다.BRIEF DESCRIPTION OF THE DRAWINGS It is a schematic diagram of the leak amount measuring apparatus of a pneumatic component by this invention.

이하, 본 발명이 속하는 기술분야에서 통상의 지식을 가진 자가 본 발명을 용이하게 실시할 수 있도록 본 발명의 바람직한 실시예를 상세히 설명한다. Hereinafter, preferred embodiments of the present invention will be described in detail so that those skilled in the art may easily implement the present invention.

이에 앞서, 본 명세서 및 청구범위에 사용된 용어나 단어는 통상적이거나 사전적인 의미로 한정되어서는 아니되며, 발명자는 그 자신의 발명을 가장 최선의 방법으로 설명하기 위해 용어의 개념을 적절하게 정의할 수 있다는 원칙에 입각하여 본 발명의 기술적 사상에 부합하는 의미와 개념으로 해석되어야만 한다.Prior to this, the terms or words used in this specification and claims should not be limited to the usual or dictionary meanings, and the inventors will be required to properly define the concepts of terms in order to best describe their invention. It should be interpreted as meaning and concept corresponding to the technical idea of the present invention based on the principle that it can.

따라서, 본 명세서에 기재된 실시예의 구성은 본 발명의 가장 바람직한 일 실시예에 불과할 뿐이고 본 발명의 기술적 사상을 모두 대변하는 것은 아니므로, 본 출원시점에 있어서 이들을 대체할 수 있는 다양한 균등물과 변형예들이 있을 수 있음을 이해하여야 한다.
Therefore, the configuration of the embodiments described herein is only one of the most preferred embodiments of the present invention and does not represent all of the technical idea of the present invention, various equivalents and modifications that can replace them at the time of the present application It should be understood that there may be

도 1은 본 발명에 의한 유공압 부품의 누설량 측정장치를 나타낸 것으로, 본 발명의 장치는 유공압 부품의 유체 또는 기체 누설량 측정을 위한 액체가 담긴 수조(10); 상기 수조(10) 내부에 위치하며, 상기 수조에 담긴 액체를 가둘 수 있는 누설 확인용 실린더(20); 상기 유공압 부품으로부터 누설되는 기체를 포집하여 수조 및 실린더 내부로 주입시키는 누설기체 주입용 포트(30); 및 상기 수조 및 실린더에 설치된 포트(30)들을 서로 연결하는 호스(40)를 포함한다.1 shows an apparatus for measuring leakage of a pneumatic component according to the present invention. The apparatus of the present invention includes a tank 10 containing a liquid for measuring a fluid or gas leakage of the pneumatic component; Located in the water tank 10, the leakage confirmation cylinder 20 can trap the liquid contained in the water tank (20); A leaking gas injection port 30 which collects the gas leaking from the pneumatic components and injects the gas into the water tank and the cylinder; And a hose 40 connecting the ports 30 installed in the water tank and the cylinder to each other.

여기에서 상기 수조(10)는 누설량을 육안으로 확인할 수 있도록, 그 내부를 볼 수 있는 성질의 재질로 이루어지는 것이 바람직하며, 특히 바람직하게는 내구성이 좋은 아크릴을 선택한다.Here, the water tank 10 is preferably made of a material having a property of seeing the inside, so that the amount of leakage can be visually checked, and particularly preferably acrylic having a good durability.

상기 수조(10)에는 액체 주입/배출 포트가 구비되어 수조 내부에 물 등의 액체를 주입하고 배출할 수 있으며, 상단에는 도어부를 구비하여 오염물질의 유입을 막을 수도 있다.The water tank 10 may be provided with a liquid injection / discharge port to inject and discharge liquid such as water into the water tank, and may include a door part at the top to prevent inflow of contaminants.

상기 수조(10)의 내부에는 누설 확인용 실린더(20)가 위치하는데, 상기 누설 확인용 실린더(20)는 상기 수조(10)에 담긴 액체를 가두고, 누설량 측정의 대상인 유공압 부품으로부터 누설되는 기체를 포집하는 역할을 한다.A leak checking cylinder 20 is located inside the water tank 10, and the leak checking cylinder 20 traps the liquid contained in the water tank 10 and leaks gas from the pneumatic component that is the object of leakage measurement. It serves to capture

상기 누설 확인용 실린더(20)는 수조(10) 내부의 액체에 완전히 잠겨야 하며 하며, 배출 밸브(50)를 완전히 개방하여 줌으로써 실린더 내부에 기포가 존재하지 않도록 할 수 있다.The leakage checking cylinder 20 should be completely immersed in the liquid in the water tank 10, and by completely opening the discharge valve 50, there can be no bubbles inside the cylinder.

이때 누설 확인용 실린더(20)는 복수개 적용할 수 있으며, 허용 누설량이 각기 다른 유공압 부품들을 위하여 그 부피가 서로 다른 것을 적용할 수도 있다.In this case, a plurality of cylinders for leak checking 20 may be applied, and different volumes may be applied for hydraulic components having different allowable leakage amounts.

누설량 측정 대상인 유공압 부품들이 준비되면, 준비된 부품들의 포집용 포트에 호스를 연결하고, 상기 호스를 본 발명의 장치에 장착된 누설 기체 주입용 포트(40)에 연결한다. When the pneumatic components to be measured for leakage are prepared, a hose is connected to a collection port of the prepared components, and the hose is connected to a leak gas injection port 40 mounted in the apparatus of the present invention.

상기 연결이 완료된 유공압 부품에 기체를 주입하여, 포집용 포트를 통해 누설된 기체를 본 발명의 누설 기체 주입용 포트(30) 및 호스(40)를 통하여 누설 확인용 실린더(20) 내부로 유입되도록 한다. By injecting gas into the pneumatic component is completed, the gas leaked through the collecting port to be introduced into the leakage check cylinder 20 through the leakage gas injection port 30 and the hose 40 of the present invention. do.

상기 누설 확인용 실린더(20) 내부로 유입된 기체는 대기압보다 압력이 크고, 실린더(20) 내부의 액체의 압력보다 높으며, 밀도차가 발생되는 관계로 누설된 양만큼의 기체가 액체를 밀어내고 그 위치를 차지하게 된다. The gas introduced into the leak checking cylinder 20 has a pressure greater than atmospheric pressure, is higher than the pressure of the liquid inside the cylinder 20, and the leaked amount of the gas pushes out the liquid due to a density difference. Will take place.

이로써 실린더(20) 내부에서 기체가 차지하는 눈금을 확인함으로써 간편하고 정확하게 확인대상 부품의 누설량을 측정할 수 있게 된다.Thus, by checking the scale occupied by the gas inside the cylinder 20, it is possible to easily and accurately measure the amount of leakage of the component to be checked.

실린더(20)에는 배출밸브(50)가 구비될 수 있는바, 배출밸브(50)를 개방하여 실린더(20) 내부에 남아있는 기체를 효과적으로 제거할 수 있다.The cylinder 20 may be provided with a discharge valve 50, so that the gas remaining in the cylinder 20 may be effectively removed by opening the discharge valve 50.

10: 수조 40: 호스
20: 누설확인용 실린더 50: 배출밸브
30: 누설 기체 주입용 포트 10: Countertop 40: Hose
20: cylinder for checking leakage 50: discharge valve
30: leakage gas injection port

Claims (3)

유공압 부품의 유체 또는 기체 누설량 측정을 위한 액체가 담긴 수조(10);
상기 수조 내부에 위치하며, 상기 수조에 담긴 액체를 가둘 수 있는 누설 확인용 실린더(20);
상기 유공압 부품으로부터 누설되는 기체를 포집하여 수조 및 실린더 내부로 주입시키는 누설기체 주입용 포트(30); 및
상기 수조 및 실린더에 설치된 포트(30)들을 서로 연결하는 호스(40);
를 포함하는 유공압 부품의 누설량 측정 장치.A tank 10 containing a liquid for measuring a fluid or gas leakage of the pneumatic component;
Located in the tank, the leak-checking cylinder 20 can trap the liquid contained in the tank;
A leaking gas injection port 30 which collects the gas leaking from the pneumatic components and injects the gas into the water tank and the cylinder; And
A hose 40 connecting the ports 30 installed in the water tank and the cylinder to each other;
Leakage measurement apparatus for a pneumatic component comprising a. 제 1항에 있어서,
상기 실린더(20)는 포집된 기체를 배출하여 주기 위한 배출밸브(50)를 더 포함하는 것을 특징으로 하는 유공압 부품의 누설량 측정장치.The method of claim 1,
The cylinder 20 further comprises a discharge valve for discharging the collected gas (50) leaking apparatus for measuring the pneumatic components. 제 1항 또는 제 2항에 있어서,
상기 실린더(20)는 누설량의 정도에 따라 그 부피를 달리하여 복수 개 구비하는 것을 특징으로 하는 유공압 부품의 누설량 측정장치.3. The method according to claim 1 or 2,
Leak amount measuring device of the hydraulic pneumatic components, characterized in that the cylinder 20 is provided with a plurality of different in volume depending on the degree of leakage.
KR1020100089755A 2010-09-14 2010-09-14 The apparatus for leaking check of hydraulic and pneumatic components KR101195493B1 (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104215400A (en) * 2014-08-28 2014-12-17 石家庄四药有限公司 Combined-cover sealing test device and application method thereof for plastic infusion container
KR101477391B1 (en) * 2013-05-21 2014-12-30 포항공과대학교 산학협력단 Anaerobic condition check apparatus and a methods for measuring about gas-leak
CN116818207A (en) * 2023-08-30 2023-09-29 济宁鲁威液压科技股份有限公司 Device and method for detecting air tightness of hydraulic element

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101477391B1 (en) * 2013-05-21 2014-12-30 포항공과대학교 산학협력단 Anaerobic condition check apparatus and a methods for measuring about gas-leak
CN104215400A (en) * 2014-08-28 2014-12-17 石家庄四药有限公司 Combined-cover sealing test device and application method thereof for plastic infusion container
CN116818207A (en) * 2023-08-30 2023-09-29 济宁鲁威液压科技股份有限公司 Device and method for detecting air tightness of hydraulic element
CN116818207B (en) * 2023-08-30 2023-12-08 济宁鲁威液压科技股份有限公司 Device and method for detecting air tightness of hydraulic element

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