-
公开(公告)号：KR1020140005074A
公开(公告)日：2014-01-14
申请号：KR1020120117228
申请日：2012-10-22
Applicant: 한국전자통신연구원
IPC: G01N25/18
Abstract: The present invention relates to a thermal conductivity measuring device and a measuring method thereof. The thermal conductivity measuring device given in the present invention includes; a first structure which is connected to one end of a sample and receives heat from a heat source; a second structure which is connected to the other end of the sample; a first stage which is connected to the first structure and supports the first structure; a second stage which is connected to the second structure and supports the second structure; a connection unit which connects the first and the second stage; and a measuring unit which measures the temperatures of the first and the second structure and the first and the second stage. The measuring unit calculates the thermal conductivity of the sample using the temperatures of the first and the second structure and the first and the second stage and the amount of heat supplied from the heat source. The thermal conductivity measuring device and the measuring method thereof are able to improve the reliability of measurement as correcting the temperature variance of the stages due to the thermal flow from the stages in consideration of the measuring environment. [Reference numerals] (110) First structure; (120) Second structure; (150) First stage; (160) Second stage; (170) Connection unit; (180) Measuring unit
Abstract translation: 本发明涉及一种热导率测量装置及其测量方法。 本发明中给出的热导率测量装置包括： 第一结构，其连接到样品的一端并从热源接收热量; 第二结构，其连接到样品的另一端; 第一阶段，其连接到第一结构并支撑第一结构; 第二级，其连接到第二结构并支撑第二结构; 连接第一和第二阶段的连接单元; 以及测量单元，其测量第一和第二结构以及第一和第二阶段的温度。 测量单元使用第一和第二结构以及第一和第二阶段的温度和从热源供应的热量来计算样品的热导率。 考虑到测量环境，热导率测量装置及其测量方法能够提高测量的可靠性，以校正由于来自级的热流的级的温度变化。 （附图标记）（110）第一结构; （120）第二结构; （150）第一阶段; （160）第二阶段; （170）连接单元; （180）测量单元
-
公开(公告)号：KR1020130128130A
公开(公告)日：2013-11-26
申请号：KR1020120051952
申请日：2012-05-16
Applicant: 한국전자통신연구원
CPC classification number: H02M3/3376 , H02J5/005 , H02J50/12 , H02J50/40 , B60C23/0413 , H02J7/025 , H04B5/0037
Abstract: The present invention relates to a wireless power transmission receiver and a system including the same and to a receiver and a transmitter wirelessly transmitting power to multiple receivers by one transmitter at the same time. The wireless power receiver according to the present invention comprises a receiving coil part receiving power from the transmitter in a resonance coupling method and a power receiving part receiving the power from the receiving coil part and supplying the power to load resistance. The input impedance of the power receiving part is controlled by power consumption of the receivers. According to the embodiment of the present invention, the power transmission efficiency of the wireless power transmission receiver and the transmitter is improved.
Abstract translation: 无线电力传输接收机及其系统技术领域本发明涉及一种无线电力传输接收机及其系统，包括该无线电力传输接收机和一个接收机和一个发射机同时向多个接收机发射功率的发射机和发射机。 根据本发明的无线电力接收机包括：接收线圈部分，以谐振耦合方式从发射机接收电力;以及电力接收部分，接收来自接收线圈部分的电力并将电力提供给负载电阻。 受电部的输入阻抗由接收器的功率消耗来控制。 根据本发明的实施例，提高了无线电力传输接收机和发射机的电力传输效率。
-
公开(公告)号：KR1020130039031A
公开(公告)日：2013-04-19
申请号：KR1020110103453
申请日：2011-10-11
Applicant: 한국전자통신연구원
CPC classification number: H02J7/0029 , H02J7/0054 , H02J7/025 , H02J7/345 , H02J7/35 , H02J50/12 , H02J2007/0037 , Y02E10/566 , Y10T307/527 , H01L31/02008 , H04B5/02
Abstract: PURPOSE: A wireless power transmitting device, a wireless power receiving device, and a wireless power transceiver are provided to quickly store power and simultaneously transmit the power to a plurality of receivers. CONSTITUTION: A wireless power transmitting device(1100) includes a power generating unit(1110), a power charging unit(1120), and a transmitting unit(1130). The power generating unit generates power by using a solar cell(1111). The generated power is charged in the power charging unit. The power charging unit maintains the power and includes a supercapacitor(1121) or a battery(1122). The transmitting unit modulates the power of the power charging unit to a high frequency and wirelessly transmits the power. A wireless power receiving device(1200) includes a receiving unit(1210), a power charging unit(1220), and an internal circuit(1240). [Reference numerals] (1110) Power generating unit; (1111) Solar cell; (1120) Power charging unit; (1121,1221) Supercapacitor; (1122,1230) Battery; (1131) DC-high frequency converter; (1213) High frequency-DC converter; (1220) Charging unit; (1240) Internal circuit;
Abstract translation: 目的：提供无线电力发送装置，无线电力接收装置和无线功率收发器，以快速存储电力并同时向多个接收机发送电力。 构成：无线发射装置（1100）包括发电单元（1110），充电单元（1120）和发送单元（1130）。 发电单元通过使用太阳能电池（1111）发电。 所产生的电力在充电单元中充电。 电力充电单元保持电力并且包括超级电容器（1121）或电池（1122）。 发送单元将电力充电单元的功率调制到高频，并且无线地发送电力。 无线电力接收装置（1200）包括接收单元（1210），电力充电单元（1220）和内部电路（1240）。 （附图标记）（1110）发电单元; （1111）太阳能电池; （1120）充电单元; （1121,1221）超级电容器; （1122,1230）电池; （1131）直流高频变频器; （1213）高频直流转换器; （1220）充电单元; （1240）内部电路;
-
公开(公告)号：KR1020130035057A
公开(公告)日：2013-04-08
申请号：KR1020110099302
申请日：2011-09-29
Applicant: 한국전자통신연구원
CPC classification number: H01F38/14 , H01F27/255 , H02J7/025 , H02J50/12 , H02J50/70
Abstract: PURPOSE: A device for transferring and receiving wireless power is provided to improve power transmission efficiency by controlling the resonant frequency of a receive coil inserted into magnetic sheet. CONSTITUTION: A receive coil(121) receives non-radial electromagnetic wave. A frequency control unit(123) adjusts the resonant frequency of the receive coil. The frequency control unit surrounds the magnetic sheet adjacent to the receive coil. A capacitor is connected to the receive coil. A load coil(122) receives the energy stored in the receive coil.
Abstract translation: 目的：提供一种用于传送和接收无线电源的设备，通过控制插入磁片的接收线圈的谐振频率来提高功率传输效率。 构成：接收线圈（121）接收非径向电磁波。 频率控制单元（123）调节接收线圈的谐振频率。 频率控制单元围绕与接收线圈相邻的磁片。 电容器连接到接收线圈。 负载线圈（122）接收储存在接收线圈中的能量。
-
公开(公告)号：KR101201897B1
公开(公告)日：2012-11-16
申请号：KR1020080126594
申请日：2008-12-12
Applicant: 한국전자통신연구원
CPC classification number: G01N27/127
Abstract: 본 발명은 산화물 반도체 나노섬유를 이용한 초고감도 가스센서 및 그 제조방법에 관한 것으로, 본 발명에 따른 가스센서는 절연기판; 절연기판 상부에 형성된 금속 전극; 및 금속 전극 상부에 형성된 고감응성을 갖는 나노입자가 도포된 산화물 반도체 나노섬유층을 포함하며, 이것은 산화물을 전기방사용 용액으로 제조한 후, 이를 전기방사하고, 열처리하여 산화물 반도체 나노섬유를 형성하고, 이어서, 큰 비표면적을 갖는 나노섬유 표면에 특정 가스에 고감응성을 갖는 나노크기의 금속산화물 또는 금속촉매 입자를 부분적으로 도포하여 초고감도, 고선택성, 고응답성, 장기 안정성의 특성을 갖는 산화물 반도체 나노섬유 가스센서를 제작할 수 있다.
초고감도, 나노섬유, 가스센서, 전기방사-
Patent Agency Ranking
公开(公告)号：KR101201896B1
公开(公告)日：2012-11-16
申请号：KR1020090025688
申请日：2009-03-26
Applicant: 한국전자통신연구원
Abstract: 본 발명은 정전용량형 환경유해가스 센서 및 그 제조방법에 관한 것이다. 본 발명에 따른 정전용량형 환경유해가스 센서는 절연기판; 상기 절연기판의 동일 평면 상에 일체형으로 형성된 금속전극 및 마이크로박막 히터 가열선; 및 상기 금속 전극 및 마이크로박막 히터 가열선 상에 코팅된 산화물 감지층을 포함하며, 이것은 금속층을 증착한 후, 금속전극과 마이크로박막 히터 가열선이 서로 인터디지털 트랜스듀서를 이루도록 금속층을 식각하고, 이어서 산화물 감지층을 형성하는 것으로 제조된다. 이와 같은 정전용량형 환경유해가스 센서는 제조시 공정수월성을 확보할 수 있으며, 고감도, 고선택성, 고안정성 및 저전력의 우수한 특성을 가질 수 있다.
센서, 정전용량형, 산화물-
公开(公告)号：KR1020120011956A
公开(公告)日：2012-02-09
申请号：KR1020100073379
申请日：2010-07-29
Applicant: 한국전자통신연구원
Abstract: PURPOSE: A wireless power transmitter, a wireless power receiver, and a wireless power transmission method using the same are provided to determine an optimized transmission frequency according to a received power value, thereby improving transmission efficiency. CONSTITUTION: A wireless power transmitter(100) modulates a transmission frequency according to a predetermined value. The wireless power transmitter transmits a high frequency signal according to the modulated transmission frequency to one or more wireless power receivers(210). The wireless power receiver re-determines the predetermined value according to information corresponding to a power value of the received high frequency signal. The transmission frequency is modulated within a range of 10 percent of an independent resonant frequency. The information with respect to the power value is created from the wireless power receivers.
Abstract translation: 目的：提供一种无线电力发射机，无线电力接收机和使用其的无线电力传输方法，以根据接收功率值确定优化的传输频率，从而提高传输效率。 构成：无线电力发射机（100）根据预定值调制发射频率。 无线电力发射机根据调制的发射频率将高频信号发射到一个或多个无线电力接收机（210）。 无线电力接收机根据与所接收的高频信号的功率值对应的信息重新确定预定值。 传输频率在独立谐振频率的10％的范围内进行调制。 关于功率值的信息是从无线电力接收器产生的。
-
公开(公告)号：KR1020110062841A
公开(公告)日：2011-06-10
申请号：KR1020090119682
申请日：2009-12-04
Applicant: 한국전자통신연구원
Abstract: PURPOSE: A wireless power transferring device is provided to prevent unnecessary heat radiation. CONSTITUTION: A highly efficient wireless power transferring system includes power relay resonant coils(200,210) between a transfer coil(112) and a receiving coil(123). The transfer coil and the power relay resonant coils resonate each other. Resonant frequency adjusting units(201,211) are placed in each power relay resonant coil.
Abstract translation: 目的：提供无线传输装置，以防止不必要的热辐射。 构成：高效率的无线电力传输系统包括传递线圈（112）和接收线圈（123）之间的功率继电器谐振线圈（200,210）。 传递线圈和功率继电器谐振线圈彼此谐振。 谐振频率调节单元（201,211）放置在每个功率继电器谐振线圈中。
-
公开(公告)号：KR1020110056689A
公开(公告)日：2011-05-31
申请号：KR1020090113122
申请日：2009-11-23
Applicant: 한국전자통신연구원
CPC classification number: D01D5/00 , B82Y30/00 , B82Y40/00 , D01D5/003 , D01F8/10 , D01F8/18 , G01N33/0009
Abstract: PURPOSE: A method for manufacturing porous oxide nanofiber and the porous oxide nanofiber are provided to form the nanofiber with a plurality of pours by electro-spinning composite solution with polymer beads and implementing a thermal treatment process. CONSTITUTION: A composite solution is prepared by mixing an oxide precursor, polymer, polymer beads, and a solvent(S11). The composite solution is undergone an electro-spinning process in order to obtain composite-fiber with the polymer beads(S12). The solvent is eliminated from the composite-fiber(S13). The composite-fiber is calcinated to obtain oxide nano-fiber(S14). The oxide precursor includes on selected from Zn, Sn, Ti, In, W, Cu, Ni, Ca, La, Y, Ce, Zr, Fe, V, Co, Al, K, Te, Ta, Pr, Nd, Nb, Li, Sm, Eu, Gd, Tb, Dy, Er, Yb, Bi, Ga, Si, Sr, Ba, Pt, Pd, Ag, Au, Ni, Ti, Cr, Ru, Mo, Rh, and the combination of the same.
Abstract translation: 目的：提供多孔氧化物纳米纤维和多孔氧化物纳米纤维的制备方法，通过电纺丝复合溶液与聚合物珠形成多个倾倒的纳米纤维，并实施热处理工艺。 构成：通过混合氧化物前体，聚合物，聚合物珠和溶剂来制备复合溶液（S11）。 复合溶液经过电纺工艺以获得具有聚合物珠粒的复合纤维（S12）。 从复合纤维中除去溶剂（S13）。 将复合纤维煅烧以获得氧化物纳米纤维（S14）。 氧化物前体包括选自Zn，Sn，Ti，In，W，Cu，Ni，Ca，La，Y，Ce，Zr，Fe，V，Co，Al，K，Te，Ta，Pr，Nd，Nb ，Li，Sm，Eu，Gd，Tb，Dy，Er，Yb，Bi，Ga，Si，Sr，Ba，Pt，Pd，Ag，Au，Ni，Ti，Cr，Ru，Mo，Rh和组合 一样的。
-
公开(公告)号：KR1020110017957A
公开(公告)日：2011-02-23
申请号：KR1020090075515
申请日：2009-08-17
Applicant: 한국전자통신연구원
IPC: H01L35/00
Abstract: PURPOSE: A thermoelectric-generator is provided to improve thermal efficiency by increasing electrical conductivity while reducing thermal conductivity. CONSTITUTION: A heat absorbing member(110) absorbs heat supplied from outside. A heat radiating member(130) emits the heat from the heat sink to outside. A wire part(120) connects the heat absorbing member to the heat radiating member through a plurality of nano wires having curvature A thermoelectric device applies magnetic field to the wire part to make a movement path for electronics and phonon different. The heat absorbing member, a heat radiating member, and a wire part are formed on the same substrate.
Abstract translation: 目的：提供一种热电发生器，通过增加电导率同时降低热导率来提高热效率。 构成：吸热构件（110）吸收从外部供应的热量。 散热构件（130）将来自散热器的热量发射到外部。 电线部分（120）通过具有曲率的多个纳米线将吸热件连接到散热构件。热电装置向电线部分施加磁场，以使电子和声子的移动路径不同。 吸热部件，散热部件和导线部分形成在同一基板上。
-
-
-
-
-
-
-
-
-
Search Results
205
records
(took 0.028 seconds)
