[KIM HUI CHEOL, KIM IN GYU, KIM YANG HO, KIM YEONG SU] PURPOSE: An electric discharge of an ignition plug for a long use is prevented, and a center of a flame sensing device in maintained stably to stabilize flame in a combustion chamber. CONSTITUTION: One side of a burner(8) mounted in a combustion chamber(6) is open and is installed in inner wall of the combustion chamber(6). At the other side of the burner(8) are formed many slits(7) and a first and second hole(19). In the inner side of the burner(8) are formed an ignition plug(16), a flame sensing device(17). A first insulating member of a ceramic material surrounds the ignition plug(16). The outer circumference of the first insulating member is inserted into the first hole. A second insulating member(24) of a ceramic material surrounds the flame sensing device(17). The outer circumference of the second insulating member is inserted into the second hole(18).

[KIM HUI CHEOL, KIM IN GYU, KIM YANG HO, KIM YEONG SU] PURPOSE: A cover structure for protecting a gas sensor is provided to prevent the contamination of the gas sensor while allowing the gas sensor to precisely sense gas by preventing impurities from penetrating into a cover body while allowing gas to be introduced into the cover body. CONSTITUTION: A gas sensor(15) is fixed by a fixing plate(18). A cover body(21a) is fixed to the fixing plate(18) by a screw(22). The cover body(21a) has a D-shaped sectional shape. A plurality of pores(21b) are vertically formed at a front portion of the cover body(21a) so as to communicate an internal part and an external part of the cover body(21a). When viewed in horizontal and vertical directions, the pores(21b) are disappeared. In order to form the pores(21b) such that the internal part and the external part of the cover body(21a) are communicated through the pores(21b), a plurality of protruding members(21c) and protrusions(21d) are sequentially formed at the front section of the cover body(21a).

[RHO, Dae Seok 노대석, KIM, Ji Myung 김지명, CHOI, Sung Moon 최성문, KIM, Kyung Hwa 김경화, JUNG, Hui Cheol 정희철, KIM, Dong Guen 김동근, KIM, Dong Hyeon 김동현, HWANG, Hyeon Seok 황현석] 1600 Chungjeol-ro, Byeongcheon-myeon, Dongnam-gu 31253 충청남도 천안시 동남구 병천면 충절로 1600, Chungcheongnam-doCheonan-siChungcheongnam-do 31253 A battery safety operating system for a shared electric kickboard, and a method therefor are disclosed. The battery safety operating system for a shared electric kickboard comprises a charging unit, a sensing unit, and a monitoring and control unit. The charging unit charges, with a charge, a lithium ion battery for an electric kickboard according to specifications of an electric motor. The sensing unit comprises a voltage sensor for detecting the charging voltage of the lithium ion battery, a current sensor for detecting the charging current of the lithium ion battery, a temperature sensor for detecting the temperature of the lithium ion battery, and an off-gas sensor for detecting the off-gas of the lithium ion battery. The monitoring and control unit performs a protection function on the lithium ion battery for an electric kickboard during charging and idle periods through an operating algorithm composed of a self-energy balancing algorithm, a cell-balancing algorithm, and an off-gas detection algorithm, and cuts off a circuit by operating a switchgear device for separating the parallel connection between battery cells if it is determined that there is a risk of fire by detecting off-gas or self-energy balancing current on the basis of sensing data measured by means of the sensing unit. A battery safety operating system for a shared electric kickboard, and a method therefor are disclosed. The battery safety operating system for a shared electric kickboard comprises a charging unit, a sensing unit, and a monitoring and control unit. The charging unit charges, with a charge, a lithium ion battery for an electric kickboard according to specifications of an electric motor. The sensing unit comprises a voltage sensor for detecting the charging voltage of the lithium ion battery, a current sensor for detecting the charging current of the lithium ion battery, a temperature sensor for detecting the temperature of the lithium ion battery, and an off-gas sensor for detecting the off-gas of the lithium ion battery. The monitoring and control unit performs a protection function on the lithium ion battery for an electric kickboard during charging and idle periods through an operating algorithm composed of a self-energy balancing algorithm, a cell-balancing algorithm, and an off-gas detection algorithm, and cuts off a circuit by operating a switchgear device for separating the parallel connection between battery cells if it is determined that there is a risk of fire by detecting off-gas or self-energy balancing current on the basis of sensing data measured by means of the sensing unit.

[RHO DAE SEOK, KIM JI MYUNG, CHOI SUNG MOON, KIM KYUNG HWA, JUNG HUI CHEOL, KIM DONG GUEN, KIM DONG HYEON, HWANG HYEON SEOK] KR Disclosed are a system for safe management of a battery of a shared electric kickboard, which can prevent low-voltage cell from being overcharged by reducing a voltage difference between cells through a cell-balancing algorithm for lithium-ion batteries, and a method therefor. The system for safe management of a battery of a shared electric kickboard comprises a charging unit, a sensing unit, and a monitoring and control unit. The charging unit charges the lithium-ion battery for the electric kickboard, consisting of a series/parallel combination of a plurality of battery cells arranged according to the specifications of an electric motor, with charges. The sensing unit includes: a voltage sensor for detecting a charging voltage of the lithium-ion battery; a current sensor for detecting a charging current of the lithium-ion battery; a temperature sensor for detecting temperature of the lithium-ion battery; and an off-gas sensor for detecting off-gas from the lithium-ion battery. The monitoring and control unit performs a protection function for the lithium-ion battery for the electric kickboard during charging and idle periods through an operating algorithm consisting of a self-energy balancing algorithm, a cell-balancing algorithm, and an off-gas detection algorithm. The monitoring and control units operates a switch device to disconnect the parallel connection between the battery cells to break a circuit when it is determined that there is a risk of fire since the off-gas or self-energy balancing current is detected based on sensing data measured by the sensing unit.

[JUNG UI YEOP, KIM GYEONG SIK, KIM SE YEONG, KIM YANG GYU, LEE HUI CHEOL, LEE TAE HUI] PURPOSE: A built-in refrigerator is provided to install the refrigerator to a sink and effectively radiate heat of a compressor and a condenser while maintaining a skirting board line of the sink. CONSTITUTION: A built-in refrigerator comprises a body(10) having a machine room to the rear lower part; a skirting board(20) disposed on the room floor situated to the front lower side of the body; a compressor(30) disposed in the machine room; a condenser(40) disposed to the bottom of the body, to radiate heat; a radiant passage(60) communicating the machine room, the bottom of the body, and the outside of the skirting board, to radiate the heat produced from the condenser and the compressor; and a cooling fan(50) disposed in the machine room, to cool the compressor and the condenser.

[KIM KYUNG TAEK, SHIN HYEON MIN, KIM CHANG HYUN, KIM SUNG KI, HWANG IK TAE, AN HUI CHEOL] KR The present invention provides: an aqueous acrylic emulsion resin having a semi-shell structure, which comprises a core formed from an acrylic monomer mixture for forming the core having a first glass transition temperature (a°C) and a shell formed from the acrylic monomer mixture for forming the shell having a second glass transition temperature (b°C, b > a); a method for manufacturing the same. An aqueous acrylic resin of the semi-shell structure according to the present invention prevents sticky phenomenon at high temperatures and thus deterioration of fouling resistance.

[KIM GI OK, HAN JONG HEON, KO KWANG HYO, LEE JONG A, KIM HAENG BUM, KANG MIN CHUL, LEE JU YEOP, KIM BONG SEOK, KO YOUNG KUK, JIN HO KYEONG, AN SEUNG HYUN, JIN HUI CHEOL, LEE KUN KOOK, LEE GHANG TAI] KR PURPOSE: A method for preparing Hedera rhombea extract which suppresses melanogenesis and tyrosinase activity is provided to treat melasma, dots, freckles, or hyperpigmentation during pregnancy. CONSTITUTION: A whitening cosmetic composition contains 25-100ug/ml of Hedera rhombea as an active ingredient. A method for preparing ethyl acetate from Hedera rhombea comprises: a step of washing and drying Hedera rhombea by hot air; a step of pulverizing Hedera rhombea; a step of precipitating pulverized Hedera rhombea in an organic solvent, leaching, and filtering; a step of repeating leaching and filtering two or three times; a step of decompressing and freeze-drying to obtain a powder; and a step of partitioning the Hedera rhombea extract with ethyl acetate. The organic solvent is 70% ethanol.

[KIM HEE CHUL, KONH YE JI, KIM HUI CHEOL, JUNG YOUNG HYEON, KANG SEONG GOON, KIM JI YEON] KR The present invention relates to a power supply control device for a photovoltaic system and, more specifically, to a power supply control device for a photovoltaic system, which comprises: an impact detection sensor which is installed in one or more of a solar cell module, an inverter, an ESS, and a control panel to detect vibration or external impacts generated from the ground; a control unit which has a microcomputer to output a necessary control command when it is determined that an impact exceeding a set reference value has been applied, by processing an input signal and the input of a signal transmitted from the impact sensor, and which is installed in any one of the solar cell module, the inverter, the ESS, and the control panel in which the impact detection sensor is installed; a controller which is connected to the solar cell module to control the supply of power produced by the solar cell module to a load side, receives power from the ESS in which some of the electricity produced by the solar cell module is stored, and supplies operation power to the control unit and a power control unit and the impact detection sensor connected to the control unit; and the power control unit which is installed between the controller and the load to regulate the power, supplied from the solar cell module or the ESS to the load side, according to a signal transmitted from the control unit.

[CHOI BYEONG HO, HA JEONG SEOK, KANG BONG SEOK, KIM DAE YEON, KIM HUI CHEOL, KIM MIN WAN, KWAK JAE CHAN, LEE YOUNG HOON] ; PURPOSE: An apparatus and method for depositing a photo-induced selective area atomic layer are provided to be capable of forming an aiming thin film pattern at a substrate using a unit process. CONSTITUTION: An apparatus for depositing photo-induced selective area atomic layer is provided with a reaction chamber(102) and a heater(103) for heating a substrate. At this time, the reaction chamber includes a gas inlet line(104), a gas exhaust line(105), and a window(106) installed at its upper portion for breaking gas. The apparatus further includes a photo mask(107) vertically spaced apart from the window, and a beam expander and calimate(109) located at the upper portion of the photo mask for transforming the light irradiated from a light source into parallel light and supplying the parallel light to the photo mask. At this time, an aiming thin film pattern is formed at the photo mask. The apparatus further includes a lens(108) between the window and the photo mask for irradiating the same pattern as the aiming thin film pattern of the photo mask to the substrate.

[HAN HUI CHEOL, KIM EUN HUI, KIM GAP DONG, KIM HYEON SEOK, SHIN SEUNG YEONG] KR PURPOSE: A device and a method for automatically generating three-dimensional video are provided to automatically generate three-dimensional video from inputted two-dimensional video information, so as to provide the generated three-dimensional video to users in various types or apply to annexed services through an Internet network. CONSTITUTION: A video input unit(101) receives two-dimensional video. A feature extractor(102) extracts a feature of the two-dimensional video from the video input unit(101). A user input unit(103) receives necessary particulars from a user. A corrector(104) corrects feature information extracted by the feature extractor(102) according to contents inputted through the user input unit(103). A database(DB,106) stores a basic three-dimensional video model and supplemental information. A 3D transformer(105) transforms the basic three-dimensional video model stored in the DB(106), using the feature of inputted video corrected by the corrector(104). A synthesizer(107) synthesizes the supplemental information stored in the DB(106) with the video transformed by the 3D transformer(105) according to the contents inputted through the user input unit(103), to generate three-dimensional video. And an output unit(108) outputs the three-dimensional video generated by the synthesizer(107).