Abrégé

A heating test apparatus, according to one embodiment of the present invention, for testing the performance of a sample valve that opens when a predetermined temperature is reached comprises: an explosion-proof chamber having an explosion-proof compartment, which is a space opened or closed through an explosion-proof door, formed therein; a sample-holding module, which is provided in the explosion-proof compartment, holds the sample valve in the air, and supplies gas of a predetermined pressure to the sample valve; a bench top module, which is provided in the explosion-proof compartment and moves a test box having a heating furnace therein; and a control unit for controlling the bench top module on the basis of the position of the sample valve and the test box such that the sample valve is accommodated in the heating furnace.

Classes IPC  ?

• G01M 13/003 - Soupapes de machines
• F27B 17/02 - Fours d'un genre non couvert par l'un des groupes spécialement conçus pour le laboratoire
• F27D 21/00 - Aménagement des dispositifs de surveillanceAménagement des dispositifs de sécurité

Abrégé

An embodiment of the present invention provides a system for evaluating the safety of a hydrogen station and an evaluation method using the same, which evaluate the performance and safety of the hydrogen station in which hydrogen charging takes place, so that hydrogen charging can be done more safely and smoothly.

Classes IPC  ?

• G06Q 50/06 - Fourniture d’énergie ou d’eau
• B60S 5/02 - Alimentation des véhicules en combustibleDisposition générale des installations dans les stations d'approvisionnement

Abrégé

The present invention includes: a pipe member for providing a circulation channel formed in a closed curve shape; a compressor which is installed at one side of the pipe member and presses a working fluid charged in the pipe member in one direction; and a valve member which is installed at the other side of the pipe member and partitions the circulation channel of the pipe member into multiple spaces, wherein when the compressor is driven in a state where the valve member is closed, the working fluid is pressed and transferred to one side part of the pipe member so that a pressing operation is performed in the one side part of the pipe member and a decompressing operation is simultaneously performed in the other side part of the pipe member; and an immersion process can be performed while the working fluid is supplied to a water tank under a condition selected between a first pressure condition caused by the working fluid supplied from the one side part of the pipe member or a second pressure condition caused by the working fluid supplied from the other side part of the pipe member.

Classes IPC  ?

• G01N 3/12 - Test de pression
• G01N 17/00 - Recherche de la résistance des matériaux aux intempéries, à la corrosion ou à la lumière

Abrégé

The present invention comprises: a body block in which a supply tube for supplying air from a blower portion is installed; a coupling portion provided on the body block so as to connect the body block close to a pipe; and a corrugated tube which extends from the body block and is installed to be connected to and in communication with the supply tube so as to discharge air supplied from the blower portion toward the connection portion of the pipe, wherein, when the blower portion is driven after installing the body block to be adjacent to the pipe via the coupling portion, the air supplied due to the operation of the ventilation portion is sprayed to the connection portion of the pipe along the supply tube, the body block, and the corrugated tube and increases the ventilation speed of a section provided with the connection portion to a set value or greater, and thus, the leakage class of a possible leak section of gas, where the connection portion is located, is upgraded to a non-explosive risk category.

Classes IPC  ?

• F17D 5/00 - Protection ou surveillance des installations
• F17D 1/04 - Systèmes de canalisation pour gaz ou vapeurs pour la distribution du gaz

Abrégé

The present invention comprises: an auxiliary container having a larger capacity compared to a pressure container so as to provide an accommodation space in which the pressure container is accommodated; a supply pipe connected to the auxiliary container so as to supply a working fluid into the auxiliary container and to provide a pressure exceeding a design pressure on the outer wall of the pressure container; a branch pipe connected to the pressure container by penetrating through the auxiliary container so as to supply hydrogen gas to the pressure container; and a support supporting the pressure container by being provided on the inner wall of the auxiliary container so as to maintain a gap between the inner wall of the auxiliary container and the outer wall of the pressure container.

Classes IPC  ?

• F17C 13/12 - Aménagements ou montage de dispositifs pour prévenir ou atténuer les effets d'explosion

Abrégé

A heating test apparatus, according to one embodiment of the present invention, for testing the performance of a sample valve that opens when a predetermined temperature is reached comprises: an explosion-proof chamber having an explosion-proof compartment, which is a space opened or closed through an explosion-proof door, formed therein; a sample-holding module, which is provided in the explosion-proof compartment, holds the sample valve in the air, and supplies gas of a predetermined pressure to the sample valve; a bench top module, which is provided in the explosion-proof compartment and moves a test box having a heating furnace therein; and a control unit for controlling the bench top module on the basis of the position of the sample valve and the test box such that the sample valve is accommodated in the heating furnace.

Classes IPC  ?

• G01M 13/003 - Soupapes de machines
• G01M 99/00 - Matière non prévue dans les autres groupes de la présente sous-classe
• F16K 37/00 - Moyens particuliers portés par ou sur les soupapes ou autres dispositifs d'obturation pour repérer ou enregistrer leur fonctionnement ou pour permettre de donner l'alarme

Abrégé

An apparatus for evaluating a hydrogen gas charger according to an embodiment of the present invention comprises: a main body; a storage unit; a charging unit; a substitution unit for releasing residual gas remaining in the interior and foreign substances; a venting unit for releasing content filling a pipe; a sensor unit for sensing at least one from among the temperature, pressure, and flux of the content, and sensing any leakage of same; a control unit for inspecting and assessing previously set attributes; and a display unit for displaying data on both a digital gauge and an analog gauge, wherein the venting unit additionally comprises a mass flow controller for controlling the content release capacity on the basis of the temperature of an hydrogen internal pressure container.

Classes IPC  ?

• G01M 99/00 - Matière non prévue dans les autres groupes de la présente sous-classe
• G01M 3/26 - Examen de l'étanchéité des structures ou ouvrages vis-à-vis d'un fluide par utilisation d'un fluide ou en faisant le vide par mesure du taux de perte ou de gain d'un fluide, p. ex. avec des dispositifs réagissant à la pression, avec des indicateurs de débit
• G01D 7/02 - Indication de la valeur de plusieurs variables simultanément
• F17C 13/02 - Adaptations spéciales des dispositifs indicateurs, de mesure ou de contrôle
• F17C 5/06 - Procédés ou appareils pour remplir des récipients sous pression de gaz liquéfiés, solidifiés ou comprimés pour le remplissage avec des gaz comprimés

Abrégé

An embodiment of the present invention provides a system for evaluating the safety of a hydrogen station and an evaluation method using same, which evaluate the performance and safety of a hydrogen station in which hydrogen charging takes place, so that hydrogen charging can be done more safely and smoothly.

Classes IPC  ?

• G06Q 50/06 - Fourniture d’énergie ou d’eau
• G06Q 50/10 - Services
• G06Q 50/30 - Transport; Communications
• G06Q 10/06 - Ressources, gestion de tâches, des ressources humaines ou de projetsPlanification d’entreprise ou d’organisationModélisation d’entreprise ou d’organisation

Abrégé

The present invention relates to a test chamber, which is used for testing the bursting pressure of a disc-shaped specimen, and can form notches for the acceleration of bursting in the center of the disc-shaped specimen that does not burst during a bursting pressure test, and comprises: a two-stage-type lower chamber and upper chamber into which hydrogen gas is injected and from which same is discharged while coupled to each other through screw-fastening; a disc-shaped chamber provided between the lower chamber and the upper chamber in order to test the bursting pressure; and an O-ring and a notch-forming part, which are provided between the lower chamber and the disc-shaped chamber in order to form notches.

Classes IPC  ?

• G01N 3/12 - Test de pression
• G01N 3/04 - Mandrins

Abrégé

The present invention relates to a fatigue test device which enables the execution of a fatigue test in a high-pressure hydrogen environment by using a container-shaped sample instead of using a general-shaped sample used for a fatigue test. The present invention includes: an inner chamber which has an inward dented groove formed to have a predetermined depth from the top end thereof and is opened or closed by a cover having multiple supply holes formed through the top end and the bottom end thereof; a hydraulic tube expanded or contracted by hydraulic pressure in a state of being inserted in the inward dented groove; a supply part for injecting hydrogen into the inward dented groove through at least one among the multiple supply holes; a hydraulic pump for expanding or contracting the hydraulic tube by using hydraulic pressure through at least another one supply hole; and an outer chamber in which the inner chamber is inserted.

Classes IPC  ?

• G01N 3/10 - Recherche des propriétés mécaniques des matériaux solides par application d'une contrainte mécanique par application d'efforts permanents de traction ou de compression engendrés par pression pneumatique ou hydraulique

Abrégé

The present invention relates to a test chamber capable of stably and efficiently testing the hydrogen embrittlement of a material by using, in the execution of a hydrogen embrittlement test of the material, a structure of a pressure vessel used for storing high-pressure gas. A chamber for testing hydrogen embrittlement in a high-pressure hydrogen environment, according to the present invention, comprises: a vessel-shaped exterior part, which has through-holes formed at each of the upper and lower ends thereof, one or more supply holes for supplying and discharging liquid, and an opening/closing member for opening/closing the supply holes; a vessel-shaped liner, which has vertical holes formed at each of the upper and lower ends thereof, is embedded in the exterior part to form, between the liner and the exterior part, an injection space into which the liquid is injected, and allows hydrogen to be injected therein so that a high-pressure hydrogen state is formed; and a pair of fixing jigs, which are provided such that the jigs pass through both the through-holes and the vertical holes, so as to fix a specimen in the liner, are lifted and lowered, and execute a tension test of the specimen in a high-pressure hydrogen state.

Classes IPC  ?

• G01N 3/10 - Recherche des propriétés mécaniques des matériaux solides par application d'une contrainte mécanique par application d'efforts permanents de traction ou de compression engendrés par pression pneumatique ou hydraulique

Abrégé

The present invention relates to a chamber-type tensile tester whereby the mechanical properties of materials of components and the like used in an apparatus for producing, transporting, or storing highly pressurized gas can be efficiently and stably tested in even high pressure conditions by using a diaphragm. A chamber-type tensile tester using a diaphragm for a tensile test in a high pressure hydrogen environment according to the present invention is characterized by comprising: a cover-shaped upper chamber which is provided with an inlet port and an outlet port for generating hydraulic pressure, and has a flange formed at the lower end thereof, a hydraulic groove formed to a certain height from the lower end, and a through-hole formed at the upper end thereof; a diaphragm installed horizontally below the hydraulic groove; an ascending/descending part linked with the diaphragm and installed inside the upper chamber so as to partially protrude to the outside through the through-hole and be capable of ascending and descending within a limited range, the ascending/descending part having a fastening means that is provided in a lower portion thereof and fixes an upper portion of a sample via screw-fastening; a container-shaped lower chamber which ascends and descends while installed vertically below the upper chamber, and has a flange formed at the upper end thereof, a fixing means for automatically fixing a lower portion of the sample to the bottom of a pneumatic groove formed to a certain depth from the upper end, and an inlet port and an outlet port for generating pneumatic pressure; a hydraulic pressure generation part which generates the hydraulic pressure in the hydraulic groove while connected to the inlet port and the outlet port of the upper chamber; and a pneumatic pressure generation part which generates the pneumatic pressure in the pneumatic groove while connected to the inlet port and the outlet port of the lower chamber.

Classes IPC  ?

• G01N 3/10 - Recherche des propriétés mécaniques des matériaux solides par application d'une contrainte mécanique par application d'efforts permanents de traction ou de compression engendrés par pression pneumatique ou hydraulique

Abrégé

The present invention relates to a chamber-type tensile testing device designed to efficiently and stably test, in a high-pressure state, mechanical properties of a material such as a part used in a device for producing, transporting, or storing gas in a high-pressure state. The chamber-type tensile testing device for a tensile test in a high-pressure hydrogen environment according to the present invention comprises: an upper cylinder which includes an upper plate having a linear penetration hole formed to penetrate the center of each of the upper end and the lower end thereof, and a fastening device provided at a lower part thereof to fix an upper part of a specimen in a pin fastening method, and is installed in a shape extending through the penetration hole to move up or down by hydraulic pressure so as to perform a tensile test of the specimen; and a lower cylinder which has an insertion groove formed to have a predetermined depth from the upper end thereof, includes a fixing device for automatically fixing a lower part of the specimen to the bottom surface of the insertion groove, and in a state of having been installed vertically below the upper plate, moves up or down so as to fix or separate the specimen and close or open the insertion groove.

Classes IPC  ?

• G01N 3/10 - Recherche des propriétés mécaniques des matériaux solides par application d'une contrainte mécanique par application d'efforts permanents de traction ou de compression engendrés par pression pneumatique ou hydraulique

Abrégé

The present invention relates to a wave mode selection device and an operating method therefor, the device enabling effective diagnosis of corrosion under insulation, which occurs in a pipe protected with an insulation material encompassing an outer wall of the pipe, by selecting a wave mode, in which an energy attenuation amount of an induced ultrasound can be minimized, in consideration of an energy attenuation characteristic in the pipe.

Classes IPC  ?

• G01N 17/04 - Sondes de corrosion
• G01N 29/44 - Traitement du signal de réponse détecté

Abrégé

The present invention relates to a remote monitoring device for gas concentration detection accuracy and detection speed test of a gas detector. The present invention comprises: a test gas receiver containing a test gas; a gas detector for detecting a gas leaking from the test gas receiver and displaying a gas detection concentration value; an image acquisition device for photographing a gas detection concentration value displayed by the gas detector through a display unit to obtain a gas detection concentration value image; and a tester terminal for receiving the gas detection concentration value image, applying an image recognition algorithm to the received gas detection concentration value image to extract the gas detection concentration value, and processing the extracted gas detection concentration value and providing the tester with generated gas detection concentration information. The present invention can improve the convenience of the tester performing a gas detector performance test and the reliability of the performance evaluation.

Classes IPC  ?

• G06Q 50/10 - Services
• G01N 21/17 - Systèmes dans lesquels la lumière incidente est modifiée suivant les propriétés du matériau examiné
• H04N 5/225 - Caméras de télévision

Abrégé

The present invention proposes an LPG container having a welding portion and a round-type lower shape structure in order to improve the pressure-resistant performance of a small pressure container, wherein: the LPG container comprises a container body main unit, a lower end plate, and a neck ring; the LPG container is configured such that the body of the container body main unit and the lower end plate are welded in the position of a welding part that changes the position of a stress concentration portion, which causes fracturing of the container; the pressure-resistance performance is improved accordingly and guarantees that, even when the container is filled with LPG that contains a high proportion of propane, the container can sufficiently endure the internal pressure; and, this substantially lowers the danger of explosion of the container, thereby guaranteeing safe use thereof.

Classes IPC  ?

• F17C 1/00 - Récipients sous pression, p. ex. bouteilles de gaz, réservoirs de gaz, cartouches échangeables
• F17C 13/00 - Détails des récipients ou bien du remplissage ou du vidage des récipients
• F17C 13/04 - Disposition ou montage des soupapes
• F17C 13/12 - Aménagements ou montage de dispositifs pour prévenir ou atténuer les effets d'explosion

Abrégé

A boiler system using a fuel cell according to an embodiment of the present invention comprises: a boiler installed in a house or a building and the like; a fuel cell for generating electricity and reaction heat by an electrochemical reaction of fuel and oxide; a storage tank for storing the reaction heat, which is generated in the fuel cell and collected through a fluid; a heating line buried in the indoor floor of the house or the building and the like; a hot water line connected to provide hot water to a washroom or a kitchen of the house or the building and the like via the boiler and the storage tank when water is supplied from the outside; and an integrated suction and exhaust pipe enabling at least two of at least one first exhaust line and at least one first suction line of the boiler, and at least one second exhaust line and at least one second suction line of the fuel cell to be connected and commonly used.

Classes IPC  ?

• F24J 1/00 - Appareils ou dispositifs utilisant la chaleur produite par des réactions chimiques exothermiques autres que la combustion (pour les récipients de cuisson A47J 36/28;compresses auto-chauffantes A61F 7/03;substances pour la production de chaleur ou de froid sujettes à des réactions chimiques non réversibles autres que la combustion C09K 5/18)
• H01M 8/04 - Dispositions auxiliaires, p. ex. pour la commande de la pression ou pour la circulation des fluides
• F24H 1/00 - Appareils de chauffage de l’eau, p. ex. chauffe-eau, chauffe-eau instantanés en continu ou chauffe-eau à accumulation
• F24D 15/00 - Autres systèmes de chauffage de locaux domestiques ou d'autres locaux

Abrégé

Disclosed is a system for displaying gas or fire information on the basis of a wireless sensor network. In one embodiment, the system is configured with a plurality of sensors, each of which has a wireless communication module, and comprises: a sensor node receiving a situation information request packet and then transmitting a situation information response packet including sensing information; and home network central control equipment transmitting the situation information situation packet to the sensor node, receiving the situation information situation packet including sensing information, and analyzing and then displaying the sensing information included in the situation information response packet, wherein the home network central control equipment can receive and then analyze the situation information response packet from the sensor node connected over a wireless sensor network, and display the analyzed information on a screen, thereby enabling a resident to understand the current situation and thus intelligently react.

Classes IPC  ?

• H04L 12/16 - Dispositions pour la fourniture de services particuliers aux abonnés
• H04L 12/28 - Réseaux de données à commutation caractérisés par la configuration des liaisons, p. ex. réseaux locaux [LAN Local Area Networks] ou réseaux étendus [WAN Wide Area Networks]

Abrégé

Disclosed is an optical methane gas detection device having a function of displaying a detection point. In one embodiment, the methane gas detection device comprises: a laser module emitting a detection laser having a specific wavelength; a condenser condensing the detection laser reflected by methane gas; a signal converter converting the detection laser condensed by the condenser into an electric signal and transmitting the electric signal; a signal analyzer analyzing the electric signal transmitted from the signal converter; an imaging camera capturing an image at a point at which the detection laser is emitted by the laser module; and an image display displaying the captured image information to a user, thereby enabling the point of methane gas detection to be seen with the unaided eye regardless of a detection situation.

Classes IPC  ?

• G01M 3/38 - Examen de l'étanchéité des structures ou ouvrages vis-à-vis d'un fluide par utilisation de la lumière
• G01N 21/47 - Dispersion, c.-à-d. réflexion diffuse

Abrégé

This invention relates to a ubiquitous-based intelligent city gas safety management system, more particularly to a ubiquitous-based intelligent city gas safety management system that enhances safety by monitoring real time status of the city gas facilities using a sensor network installed therein, and prevents gas accident through effective maintenance and management, and enables a rapid response when a gas accident occurs. The ubiquitous-based intelligent city gas safety management system of the present invention is comprised of: a data translator that converts various status information, received from a sensor network that monitors the condition of a city gas facility, into a predetermined common message format; and a middleware server comprised of a database that stores status information received from the data translator, a data integration control module that stores status information received from the data translator into the database, a data mining module that estimates the condition of the city gas facility by analyzing the accumulated status information in the database, a data monitoring module that inspects status information received from the data translator and determines if the city gas facility is abnormal, and an event managing module that informs the manager's terminal of the abnormality of the city gas facility when the monitoring module determines that the city gas facility is abnormal.

Classes IPC  ?

• G08C 17/02 - Dispositions pour transmettre des signaux caractérisées par l'utilisation d'une voie électrique sans fil utilisant une voie radio
• G06Q 50/00 - Technologies de l’information et de la communication [TIC] spécialement adaptées à la mise en œuvre des procédés d’affaires d’un secteur particulier d’activité économique, p. ex. aux services d’utilité publique ou au tourisme

Abrégé

The present invention relates to a gas safety management system using wireless communication in a building, and particularly, to a gas safety management system capable of preventing accidents caused by a gas leak or reducing the scope of damage from an accident caused by a gas leak, by implementing a wired/wireless sensor network, centered around a home-network device, in a building, and turning off gas or activating an automatic fire extinguisher when there are indications of abnormalities such as a fire or leakage of gas. The gas safety management system of the present invention comprises: a fire detection sensor node provided with a wireless communication module to detect the presence of carbon monoxide, smoke, and the generation of smoke; a gas detection sensor node provided with a wireless communication module; a home network device for wirelessly receiving detection signals from the fire detection sensor node and the gas detection sensor node, analyzing the wirelessly received detection signals, and wirelessly transmitting, to a gas meter, a command signal for turning off the gas when the occurrence of an abnormality is determined from the analyzed results; and said gas meter for turning off gas according to the gas turn-off command signal wirelessly received from the home network device. Here, sensor nodes may be installed within a building. Also, the home network device is a so-called wall pad provided with a wireless communication module. Further, the gas meter may be a microcomputer meter provided with a wireless communication module.

Classes IPC  ?

• G08B 17/00 - Alarmes d'incendieAlarmes réagissant à une explosion
• H04L 12/12 - Dispositions pour la connexion ou la déconnexion à distance de sous-stations ou de leur équipement

Abrégé

The present invention relates to a management system for an underground municipal gas facility, and particularly, to a management system for an underground municipal gas facility, the system being configured with a sensor network in the underground municipal gas facility to enable the remote sensing of the conditions in the underground municipal gas facility in real time, thereby improving safety, rendering maintenance and management efficient, and preventing gas accidents from occurring and enabling a quick response in the event a gas accident does occur. The management system for an underground municipal gas facility of the present invention comprises: a sensor for outputting, to a transmitter, sensing data on sensed condition information of the underground municipal gas facility; said transmitter, which is installed in an underground area, for using a first protocol having a first frequency to transmit the sensing data input from the sensor to a converter installed in an above-ground structure; said converter for converting the data transmitted from the transmitter to a second protocol having a second frequency, and then transmitting the converted data to a collector; and said collector for transmitting the data transmitted from the converter to a remote server. Further, the management system may also comprise a repeater including at least one hop, for using the second protocol having the second frequency to relay and transfer the data transmitted from the converter to the collector.

Classes IPC  ?

• G08C 17/02 - Dispositions pour transmettre des signaux caractérisées par l'utilisation d'une voie électrique sans fil utilisant une voie radio
• G06Q 10/00 - AdministrationGestion
• H04W 84/18 - Réseaux auto-organisés, p. ex. réseaux ad hoc ou réseaux de détection