SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME, AND SOLAR CELL MODULE

A solar cell module includes a plurality of solar cells comprising a first solar cell and a second solar cell adjacent to each other; a conductive ribbon, wherein each of the plurality of solar cells comprises: a substrate; an emitter layer of positioned on the substrate; a plurality of finger electrodes formed in a first direction, each finger electrode being electrically connected to the emitter layer; and at least one first collector formed in a second direction crossing the first direction, the at least one first collector being electrically connected to the plurality of finger electrodes, wherein the conductive ribbon is attached to the at least one first collector in the second direction by a conductive adhesive, and wherein the conductive ribbon is attached on a collector region where the at least one first collector is formed and a deletion where the at least one first collector is not formed. 1. A solar cell module , comprising:a plurality of solar cells comprising a first solar cell and a second solar cell adjacent to each other;a conductive ribbon electrically connecting the first solar cell and the second solar cell;a front member positioned on a front surface of the plurality of solar cells;a back member positioned on a back surface of the plurality of solar cells;a first protection film positioned between the front member and the plurality of solar cells; anda second protection film positioned between the back member and the plurality of solar cells,wherein each of the plurality of solar cells comprises:a substrate of a first conductive type;an emitter layer of a second conductive type, which is opposite to the first conductive type, positioned on the substrate;a plurality of finger electrodes formed in a first direction, each finger electrode being electrically connected to the emitter layer; andat least one first collector formed in a second direction crossing the first direction, the at least one first collector being electrically connected to the ...

SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME, AND SOLAR CELL MODULE

A charge transferor of a solar cell, which collects and transfer charges generated from a semiconductor substrate, includes at least one electrode collecting the charges; and at least one collector transferring the charges collected by the at least one electrode, the at least one collector being included in at least one collector region on the substrate, wherein the at least one collector region in a first direction comprises at least one deletion portion where the at least one collector is not formed. 1. A solar cell comprising:a substrate of a first conductive type;an emitter layer of a second conductive type opposite the first conductive type, and positioned on the substrate;a plurality of finger electrodes formed in a first direction, each finger electrode being electrically connected to the emitter layer;a plurality of first collector regions;a plurality of first electrodes positioned in the at least one collector region and formed in the first direction;a plurality of second electrodes positioned in the plurality of first collector regions and formed in a perpendicular direction crossing the first direction;a plurality of third electrodes positioned in the plurality of first collector regions and formed in the perpendicular direction; anda plurality of fourth electrodes positioned in the plurality of first collector regions and connecting two neighboring first electrode.2. The solar cell of claim 1 , wherein a plurality of deletions are positioned in the plurality of first collector regions.3. The solar cell of claim 2 , wherein claim 2 , in each first collector region claim 2 , a pair of the plurality of first electrodes are electrically connected to the plurality of finger electrodes claim 2 , and one of the plurality of second electrodes and one of the plurality of third electrodes are positioned between the pair of the first electrodes.4. The solar cell of claim 3 , wherein one of the plurality of deletions is positioned in an area formed by the pair of ...

PHOTOVOLTAIC MODULE, TRUNK CABLE, AND PHOTOVOLTAIC MODULE INCLUDING THE SAME

A photovoltaic module includes: a photovoltaic solar cell module; a junction box disposed on a back surface of the photovoltaic solar cell module, and to convert a DC power from the photovoltaic solar cell module to an AC power; and a first cable electrically connected to the junction box and to output the AC power. The junction box includes an insulating case having an insulating material, and disposed on the back surface of the photovoltaic solar cell module, and a circuit board within the insulating case, and mounted thereon a converter for converting a level of the DC power from the photovoltaic solar cell module, and an inverter for converting a DC power from the converter into an AC power. Th first cable includes first and second conductive lines for outputting the AC power output from the circuit board to the outside, without a grounding line. 1. A photovoltaic module comprising:a photovoltaic solar cell module;a junction box disposed on a back surface of the photovoltaic solar cell module and configured to convert a DC power from the photovoltaic solar cell module into an AC power; anda first cable electrically connected to the junction box and configured to output the AC power from the junction box;wherein the junction box includes:an insulating case comprising an insulating material, and disposed on the back surface of the photovoltaic solar cell module, anda circuit board within the insulating case, and on which a converter and an inverter are mounted, the converter being configured to convert a level of the DC power from the photovoltaic solar cell module, and the inverter being configured to convert the DC power from the converter into the AC power, andwherein the first cable includes first and second conductive lines for outputting the AC power output from the circuit board to an outside, the first cable not including a grounding line.2. The photovoltaic module according to claim 1 , wherein the insulating case is made of resin claim 1 , the resin ...

SCROLL COMPRESSOR

A scroll compressor is provided that may include a casing, a drive motor, an orbiting scroll, a non-orbiting scroll, and a floating plate provided with a cover portion to cover an area between an outer wall portion and an inner wall portion of the non-orbiting scroll so as to form a back pressure chamber with the non-orbiting scroll, and a valve accommodating portion that extends from the cover portion so as to accommodate a discharge valve configured to open and close a discharge port. Accordingly, structure for forming a back pressure chamber is simplified to thereby reduce the number of components and man-hours required for assembly.

PHOTOVOLTAIC POWER GENERATION SYSTEM

A photovoltaic power generation system is discussed. The photovoltaic power generation system includes a solar cell module including a plurality of solar cell groups divided into groupings of the plurality of solar cell groups, each of the plurality of solar cell groups including at least one of one solar cell row which a plurality of solar cells are electrically connected, and a plurality of signal control units connected to the plurality of solar cell groups, respectively, wherein the each of the plurality of signal control units track a maximum power based on the current and the voltage output from each of the plurality of solar cell groups and outputs the maximum power. 1. A photovoltaic power generation system comprising:a solar cell module including a plurality of solar cell groups divided into groupings of the plurality of solar cell groups, each of the plurality of solar cell groups including at least one of one solar cell row which a plurality of solar cells are electrically connected, anda plurality of signal control units connected to the plurality of solar cell groups, respectively,wherein the each of the plurality of signal control units track a maximum power based on the current and the voltage output from each of the plurality of solar cell groups and outputs the maximum power.2. The photovoltaic power generation system of claim 1 , further comprising a plurality of sensing units connected between each of the plurality of solar cell groups and each of the plurality of signal control units claim 1 , sense currents output from the plurality of solar cell groups claim 1 , and output the sensed currents to the plurality of signal control units.3. The photovoltaic power generation system of claim 2 , further comprising a plurality of amplification units connected between each of the plurality of solar cell groups and each of the plurality of signal control units.4. The photovoltaic power generation system of claim 3 , wherein each of the plurality of ...

Photovoltaic module, photovoltaic system and method of operating photovoltaic system

According to an embodiment of the present invention, there is provided a photovoltaic module including a photovoltaic solar cell, a converter to convert a level of a direct current power from the photovoltaic solar cell, an inverter to convert the direct current power from the converter into an alternating current power, a controller to control the converter and the inverter, and a communication unit to perform electric power line communication with a gateway and at least one nearby photovoltaic module, in which the communication unit periodically transmits communication state information to the gateway and the at least one nearby photovoltaic module using the electric power line communication, and receives a message transmitted by the gateway along a path determined according to the communication state information.

Wearable electronic device including plurality of antennas and communication method thereof

An electronic device includes a main body, a pair of glass lenses configured to be supported by the main body, at least one display module configured to be disposed on the pair of glass lenses, a first support configured to be rotatably connected to the main body, a second support configured to be rotatably connected to the main body and configured to be disposed to be spaced apart from the first support, a communication module configured to be disposed in the first support, a processor configured to be operatively connected to the communication module, a relay module configured to be disposed in the second support and configured to relay at least one signal, and a first antenna configured to be disposed in the second support and configured to be electrically connected to the relay module.

SCROLL COMPRESSOR WITH A BYPASS

An upper back pressure type scroll compressor having a bypass is provided. The scroll compressor may include a casing, a discharge cover, a main frame, a first scroll supported by the main frame, and a second scroll that forms a suction chamber, an intermediate pressure chamber, and a discharge chamber together with the first scroll. The second scroll may include a bypass hole that communicates with the intermediate pressure chamber. The scroll compressor may also include a back pressure chamber assembly coupled to an upper portion of the second scroll by a fastening device and a bypass valve to open and close the bypass hole. The back pressure chamber assembly may include a discharge path by which the discharge chamber and the discharge space may communicate with each other and a bypass valve to open and close the bypass hole. 1. A scroll compressor , comprising:a casing;a discharge cover, the discharge cover dividing an inner space of the casing into a suction space and a discharge space;a main frame, the main frame being spaced apart from the discharge cover;a first scroll supported by the main frame, the first scroll performing an orbital motion with respect to a rotational shaft thereof in operation;a second scroll that forms a suction chamber, an intermediate pressure chamber, and a discharge chamber together with the first scroll, the second scroll being movable with respect to the first scroll and comprising a bypass hole that communicates with the intermediate pressure chamber;a back pressure chamber assembly coupled to the second scroll, the back pressure chamber assembly comprising a back pressure plate and a floating plate and being configured to press the second scroll toward the first scroll, the back pressure chamber assembly further having a discharge path by which the discharge chamber and the discharge space with communicate with each other; anda bypass valve that opens and closes the bypass hole, wherein a bypass path by which the bypass hole and ...

Scroll compressor with back pressure chamber

An upper back pressure type scroll compressor is provided having a back pressure chamber. The scroll compressor may include a casing, a discharge cover, a main frame, a first scroll supported by the main frame, and a second scroll forming a suction chamber, an intermediate pressure chamber, and a discharge chamber together with the first scroll. The scroll compressor may also include a back pressure plate coupled to the second scroll. The back pressure plate may include a cavity with which the intermediate pressure chamber of the second scroll communicates. The scroll compressor may further include a floating plate movably coupled to the back pressure plate so as to seal an upper portion of the cavity.

SCROLL COMPRESSOR WITH BACK PRESSURE DISCHARGE

A scroll compressor having a back pressure discharge is provided. The scroll compressor may include a casing, a discharge cover, a main frame, a first scroll supported by the main frame, and a second scroll forming at least a discharge chamber together with the first scroll. The second scroll may include a discharge opening through which an operation fluid may be discharged. The scroll compressor may also include a back pressure chamber assembly fastened to the second scroll with a Efastener, a back pressure discharge opening that communicates with the back pressure chamber, and a discharge path by which the discharge chamber and the discharge space communicate with each other. The scroll compressor may further include a check valve disposed at the back pressure discharge opening to prevent the operation fluid from being introduced into the back pressure chamber. 1. A scroll compressor , comprising:a casing;a discharge cover, the discharge cover dividing an inner surface of the casing into a suction space and a discharge space;a main frame, the main frame being formed spaced apart from the discharge cover;a first scroll supported by the main frame, the first scroll being configured to perform an orbital motion with respect to a rotational shaft thereof in operation;a second scroll that forms a suction chamber, an intermediate pressure chamber, and a discharge chamber together with the first scroll, the second scroll being movable with respect to the first scroll and the second scroll comprising a discharge opening through which an operation fluid is discharged;a back pressure chamber assembly coupled to the second scroll, the back pressure chamber assembly comprising a back pressure plate having a back pressure chamber and a floating plate movably disposed in the back pressure chamber, the back pressure chamber assembly being configured to press the second scroll toward the first scroll, the back pressure chamber assembly further comprising a back pressure discharge ...

Solar cell and method for manufacturing the same, and solar cell module

A solar cell module includes a plurality of solar cells comprising a first solar cell and a second solar cell adjacent to each other, a conductive ribbon electrically connecting the first solar cell and the second solar cell, a front member positioned on a front surface of the plurality of solar cells, a back member positioned on a back surface of the plurality of solar cells, a first protection film positioned between the front member and the plurality of solar cells, and a second protection film positioned between the back member and the plurality of solar cells.

POWER CONVERSION DEVICE AND PHOTOVOLTAIC MODULE INCLUDING THE SAME

Disclosed are a power conversion device and a photovoltaic module including the same. The power conversion device includes a full-bridge switching unit including first to fourth switching elements, a first transformer having an input terminal connected between the first switching element and the second switching element in the full-bridge switching unit and an output terminal connected between the third switching element and the fourth switching element in the full-bridge switching unit, wherein the first switching element is serially connected to the second switching element, and the third switching element is serially connected to the fourth switching element, and a second transformer connected to the full-bridge switching unit as a half-bridge, wherein the full-bridge switching unit coverts a first DC power input to the first transformer into a first alternating current AC waveform, based on variable duty switching. 1. A power conversion device , comprising:a full-bridge switching unit including first to fourth switching elements;a first transformer having an input terminal connected between the first switching element and the second switching element in the full-bridge switching unit and an output terminal connected between the third switching element and the fourth switching element in the full-bridge switching unit, wherein the first switching element is serially connected to the second switching element, and the third switching element is serially connected to the fourth switching element; anda second transformer connected to the full-bridge switching unit as a half-bridge,wherein the full-bridge switching unit coverts a first direct current (DC) power input to the first transformer into a first alternating current (AC) waveform, based on variable duty switching.2. The power conversion device according to claim 1 , wherein the second transformer amplifies the first AC waveform from the full-bridge switching unit and outputs a second AC waveform.3. The power ...

SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME, AND SOLAR CELL MODULE

A solar cell can include a substrate of a first conductive type; an emitter layer of a second conductive type opposite the first conductive type, and positioned on the substrate; a plurality of finger electrodes formed in a first direction, each finger electrode being electrically connected to the emitter layer; a plurality of first collector regions; a plurality of first electrodes positioned in a plurality of first collector regions and extending in the first direction from the plurality of finger electrodes; a plurality of second electrodes positioned in the plurality of first collector regions and formed in a perpendicular direction crossing the first direction; a plurality of third electrodes positioned in the plurality of first collector regions, connecting two neighboring first electrodes of the plurality of first electrodes and formed in the perpendicular direction; and a plurality of deletions positioned in the plurality of first collector regions. Furthermore, one of the plurality of second electrodes is positioned between a pair of the plurality of first electrodes. 1. A solar cell comprising:a substrate of a first conductive type;an emitter layer of a second conductive type opposite the first conductive type, and positioned on the substrate;a plurality of finger electrodes formed in a first direction, each finger electrode being electrically connected to the emitter layer;a plurality of first collector regions;a plurality of first electrodes positioned in a plurality of first collector regions and extending in the first direction from the plurality of finger electrodes;a plurality of second electrodes positioned in the plurality of first collector regions and formed in a perpendicular direction crossing the first direction;a plurality of third electrodes positioned in the plurality of first collector regions, connecting two neighboring first electrodes of the plurality of first electrodes and formed in the perpendicular direction; anda plurality of ...

SCROLL COMPRESSOR

A scroll compressor is provided that may include a casing including a rotational shaft, a cover fixed inside of the casing to partition the inside of the casing into a suction space and a discharge space, a first scroll revolved by rotation of the rotational shaft, a second scroll disposed on or at one side of the first scroll to define a compression chamber together with the first scroll, the second scroll including a discharge, through which a refrigerant pressed in the compression chamber may be discharged, a switching device movably disposed on or at one side of the discharge to selectively open and close the discharge, a back pressure portion including a moving guide that accommodates at least a portion of the switching device, and a top surface that covers one side of the switching device; and an adhesion preventer that reduces a contact area between the switching device and at least a portion of the back pressure portion. 1. A scroll compressor , comprising:a casing comprising a rotational shaft;a cover fixed inside of the casing to partition an inner space of the casing into a suction space and a discharge space;a first scroll that is revolved by rotation of the rotational shaft;a second scroll disposed on or at one side of the first scroll to define a compression chamber together with the first scroll, wherein the second scroll comprises a discharge hole through which a refrigerant compressed in the compression chamber is discharged;a switching device movably disposed on or at one side of the discharge hole to selectively open and close the discharge hole;a back pressure portion comprising a moving guide that accommodates at least a portion of the switching device and a top surface that covers one side of the switching device; andan adhesion preventer to reduce a contact area between the switching device and at least a portion of the back pressure portion.2. The scroll compressor according to claim 1 , wherein the adhesion preventer comprises a recess ...

Power conversion device and photovoltaic module including the same

A power conversion device includes a coupled inductor having a first inductor and second inductor, connected to a DC source; a full-bridge switching unit including a first leg having a first switching element and a second switching element serially connected to the first switching element, and a second leg having a third switching element and a fourth switching element serially connected to the third switching element, wherein the first leg connected to the first inductor and the second leg connected to the second inductor; a transformer connected to the full-bridge switching unit; a third inductor connected in parallel with the transformer; and a storage capacitor connected to the full-bridge switching unit.

SOLAR CELL MODULE

Disclosed is a solar cell panel module including a solar cell panel; a wiring enclosure electrically connected to the solar cell panel and mounted on or at a back surface of the solar cell panel; and an adhesive member disposed between the wiring enclosure and the solar cell panel to attach the wiring enclosure and the solar cell panel. An air gap opened to an outside and having a thickness corresponding to a thickness of the adhesive member is provided between the solar cell panel and the wiring enclosure by the adhesive member. 1. A solar panel module , comprising:a solar cell panel;a wiring enclosure electrically connected to the solar cell panel and mounted on or at a back surface of the solar cell panel; andan adhesive member disposed between the wiring enclosure and the solar cell panel to attach the wiring enclosure and the solar cell panel,wherein an air gap opened to an outside and having a thickness corresponding to a thickness of the adhesive member is provided between the solar cell panel and the wiring enclosure by the adhesive member.2. The solar cell module of claim 1 , wherein the adhesive member has an open-curve shape or an open-loop shape between the wiring enclosure and the solar cell panel.3. The solar cell module of claim 1 , wherein the adhesive member comprises a plurality of adhesive members spaced apart from each other claim 1 , andwherein an air flow path including at least two air entrances through which air flows in or out between the solar cell panel and the wiring enclosure is formed by the plurality of adhesive members.4. The solar cell module of claim 3 , wherein a minimum width of the air flow path formed by the plurality of adhesive members is larger than the thickness of the adhesive member.5. The solar cell module of claim 1 , wherein a width of the adhesive member is larger than the thickness of the adhesive member.6. The solar cell module of claim 3 , wherein at least one of the plurality of adhesive members is positioned at ...

CORE, TRANSFORMER, POWER CONVERTING APPARATUS, AND PHOTOVOLTAIC MODULE INCLUDING THE SAME

Disclosed are a core, a transformer, a power converting apparatus, and a photovoltaic module including the same. The core includes: a base; outer wall formed on the base; a first protruding member protruding on the base and disposed within the outer wall; and a second protruding member protruding on the base, disposed within the outer wall, and separated from the first protruding member, wherein a length of an edge of the second protruding member opposing the first protruding member is less than an outer circumference of the first protruding member. Accordingly, the second protruding member may be machined so easily that a leakage inductance can be easily controlled according to design specification. 1. A core comprising:a base;outer wall formed on the base;a first protruding member protruding on the base and disposed within the outer wall; anda second protruding member protruding on the base, disposed within the outer wall, and separated from the first protruding member,wherein a length of an edge of the second protruding member opposing the first protruding member is less than an outer circumference of the first protruding member.2. The core of claim 1 ,wherein the first protruding member has a circular shape, andwherein the length of the edge of the second protruding member opposing the first protruding member is less than a half of the outer circumference of the first protruding member.3. The core of claim 1 , wherein a protruding height of the first protruding member is less than a protruding height of the second protruding member.4. The core of claim 1 , wherein a gap between the first protruding member and the second protruding member increases from a central area toward a side area of the second protruding member.5. The core of claim 1 ,wherein the first protruding member has a circular shape, andwherein the second protruding member has a curved shape.6. The core of claim 5 , wherein a gap between the first protruding member and the second protruding member ...

Solar cell and method of manufacturing the same

A solar cell and a method of manufacturing the same are disclosed. The solar cell includes a substrate of a first conductive type having at least one via hole, an emitter layer of a second conductive type opposite the first conductive type formed in the substrate, at least one first electrode formed on the emitter layer, at least one current collector positioned opposite the at least one first electrode with the substrate interposed between the at least one first electrode and the at least one current collector and is electrically connected to the at least one first electrode through the at least one via hole, and a second electrode that is spaced apart from the at least one current collector and is electrically connected to the substrate. A plurality of uneven portions are formed in the at least one via hole.

Solar cell and method of manufacturing the same

Solar cell and method of manufacturing the same

A solar cell and a method of manufacturing the same are disclosed. The solar cell includes a substrate of a first conductive type having at least one via hole, an emitter layer of a second conductive type opposite the first conductive type formed in the substrate, at least one first electrode formed on the emitter layer, at least one current collector positioned opposite the at least one first electrode with the substrate interposed between the at least one first electrode and the at least one current collector and is electrically connected to the at least one first electrode through the at least one via hole, and a second electrode that is spaced apart from the at least one current collector and is electrically connected to the substrate. A plurality of uneven portions are formed in the at least one via hole.

Solar cell module

Disclosed is a solar cell panel module including a solar cell panel; a wiring enclosure electrically connected to the solar cell panel and mounted on or at a back surface of the solar cell panel; and an adhesive member disposed between the wiring enclosure and the solar cell panel to attach the wiring enclosure and the solar cell panel. An air gap opened to an outside and having a thickness corresponding to a thickness of the adhesive member is provided between the solar cell panel and the wiring enclosure by the adhesive member.

Solar cell module

Disclosed is a solar cell panel module including a solar cell panel; a wiring enclosure electrically connected to the solar cell panel and mounted on or at a back surface of the solar cell panel; and an adhesive member disposed between the wiring enclosure and the solar cell panel to attach the wiring enclosure and the solar cell panel. An air gap opened to an outside and having a thickness corresponding to a thickness of the adhesive member is provided between the solar cell panel and the wiring enclosure by the adhesive member.

Solar cell

Photovoltaic power generation system

A photovoltaic power generation system is discussed. The photovoltaic power generation system includes a solar cell module configured to include a plurality of solar cell row groups, each solar cell row group being configured to have at least one solar cell row of a plurality of solar cells and output a current and a voltage from the at least one solar cell row, at least one signal control unit configured to be connected to the plurality of solar cell row groups, the at least one signal control unit being configured to track a maximum power based on a current and a voltage output from the solar cell row group, which is connected to the at least one signal control unit and output the maximum power.

Scroll compressor

A scroll compressor is provided that may include a casing, a drive motor, an orbiting scroll, a non-orbiting scroll, and a floating plate provided with a cover portion to cover an area between an outer wall portion and an inner wall portion of the non-orbiting scroll so as to form a back pressure chamber with the non-orbiting scroll, and a valve accommodating portion that extends from the cover portion so as to accommodate a discharge valve configured to open and close a discharge port. Accordingly, structure for forming a back pressure chamber is simplified to thereby reduce the number of components and manhours required for assembly.

Scroll compressor

A scroll compressor is provided that may include a casing including a rotational shaft, a cover fixed inside of the casing to partition the inside of the casing into a suction space and a discharge space, a first scroll revolved by rotation of the rotational shaft, a second scroll disposed on or at one side of the first scroll to define a compression chamber together with the first scroll, the second scroll including a discharge, through which a refrigerant pressed in the compression chamber may be discharged, a switching device movably disposed on or at one side of the discharge to selectively open and close the discharge, a back pressure portion including a moving guide that accommodates at least a portion of the switching device, and a top surface that covers one side of the switching device; and an adhesion preventer that reduces a contact area between the switching device and at least a portion of the back pressure portion.

Scroll compressor

A scroll compressor is provided that may include a block insertion groove (155) configured to accommodate a discharge port (1511) and at least one bypass hole (1512) disposed in an upper surface of a non-orbiting end plate (151) of a non-orbiting scroll (150), and a retainer block (171) including at least one bypass valve (1751) configured to open or close the at least one bypass hole (1512) inserted into the block insertion groove. The at least one bypass hole may include a first bypass hole (1512a) and a second bypass hole (1512b). The at least one bypass valve may include a first bypass valve (1752) configured to open or close the first bypass hole and a second bypass valve (1753) configured to open or close the second bypass hole, and may be disposed between the block insertion groove and the retainer block facing the block insertion groove. Accordingly, the first and second bypass valves that suppress or prevent overcompression in a compression chamber are not fastened to the non-orbiting end plate, which may allow the non-orbiting end plate to be made thin. As the non-orbiting end plate may be reduced in thickness, a length of the first and second bypass holes may be reduced, thereby decreasing a dead volume in the first and second bypass holes.

Solar cell module

分離された背圧室を有するスクロール圧縮機

【課題】フローティングプレートに備えられる漏洩防止手段の摩耗を最小限に抑えることのできるスクロール圧縮機を提供する。 【解決手段】本発明の一態様によるスクロール圧縮機は、ケーシングと、ケーシングの内部に固定され、ケーシングの内部を吸入空間Ｓと吐出空間Ｄとに区画する吐出カバーと、吐出カバーから離隔して配置されるメインフレームと、メインフレーム上に支持された状態で旋回運動する旋回スクロールと、旋回スクロールに対して上下方向に移動可能に設けられ、旋回スクロールと共に吸入室、中間圧室及び吐出室を形成する固定スクロールと、吐出カバーの下部で固定スクロールに固定され、上部が開放されて前記中間圧室に連通する空間部を備える背圧プレートと、前記空間部を密閉するように背圧プレートに移動可能に結合されて背圧室ＢＰを形成するフローティングプレートとを含む。 【選択図】図１

Wearable electronic device implementing distributed system for processing contents and vision

An example wearable electronic device includes a frame, a first arm and a second arm extending from the frame, respectively, a screen display disposed in the frame, and including a display, at least one camera disposed in the frame, a first processor located in the first arm, and operatively connected to the display, and a second processor located in the second arm, and operatively connected to the at least one camera, the first processor may be configured to display contents on the screen display part using the display, and the second processor may be configured to perform an operation associated with the at least one camera.

Solar cell module

Electronic device utilizing low power wireless communication and method thereof

In accordance with an aspect of the disclosure, an electronic device comprises a wireless communication circuit; and at least one processor operatively connected to the wireless communication circuit, wherein the at least one processor is configured to: establish a communication channel with an external electronic device by using the wireless communication circuit; determine a duration of a data communication time period based on a frame rate of content, wherein the data communication time period comprises an active time period and a sleep time period; control the wireless communication circuit to enter an active state during the active time period; communicate data with the external electronic device through the communication channel during the active time period; and control the wireless communication circuit to enter a sleep state in a sleep time period.

Scroll compressor

A scroll compressor is provided that may include a block insertion groove configured to accommodate a discharge port and at least one bypass hole disposed in a rear surface of a non-orbiting end plate of a non-orbiting scroll, and a retainer block including at least one bypass valve configured to open or close the at least one bypass hole inserted into the block insertion groove. The at least one bypass hole may include a first bypass hole and a second bypass hole. The at least one bypass valve may include a first bypass valve configured to open or close the first bypass hole and a second bypass valve configured to open or close the second bypass hole, and may be disposed between the block insertion groove and the retainer block facing the block insertion groove. Accordingly, the first and second bypass valves that suppress or prevent overcompression in a compression chamber are not fastened to the non-orbiting end plate, which may allow the non-orbiting end plate to be made thin. As the non-orbiting end plate may be reduced in thickness, a length of the first and second bypass holes may be reduced, thereby decreasing a dead volume in the first and second bypass holes.

バイパス手段を有するスクロール圧縮機

【課題】バイパス孔を固定スクロールの任意の位置に配置できるバイパス手段を有するスクロール圧縮機を提供する。 【解決手段】圧縮機は、ケーシング１１０と、その内部に固定され、吸入空間Ｓと吐出空間Ｄとに区画する吐出カバー１０２と、吐出カバーから離隔配置されるメインフレーム１２０と、メインフレーム上で旋回運動する旋回スクロール１３０と、上下方向に移動可能で、旋回スクロールと共に吸入室、中間圧室、吐出室を形成し、中間圧室に連通するよう形成されるバイパス孔を含む固定スクロール１４０と、固定スクロールの上部に締結されて上方向移動を制限し、中間圧室の作動流体の一部を流入させて固定スクロールを旋回スクロール側に加圧し、吐出室と吐出空間とを連通する吐出流路を備える背圧室組立体と、バイパス孔を開閉するバイパスバルブを含み、背圧室組立体と固定スクロールとの間にバイパス孔と吐出流路とを連通するバイパス流路を形成する。 【選択図】図１

Wearable electronic device comprising plurality of antennas, and communication method thereof

Wearable electronic device comprising plurality of antennas, and communication method thereof

An electronic device according to various embodiments disclosed in the present document includes a main body, a pair of glass lenses configured to be supported by the main body, at least one display module configured to be disposed on the pair of glass lenses, a first support configured to be rotatably connected to the frame, a second support configured to be rotatably connected to the frame and to be disposed to be spaced apart from the first support, a communication module configured to be disposed in the first support, a processor configured to be operatively connected to the communication module, a relay module configured to be disposed in the second support and to relay at least one signal, a first antenna configured to be disposed in the second support and to be electrically connected to the relay module, and a second antenna configured to be disposed in the second support and to be electrically connected to the relay module, wherein the processor is configured to radiate a first signal to the relay module by controlling the communication module, and the relay module is configured to radiate a second signal corresponding to the first signal received from the communication module using the first antenna to the outside using the second antenna.

Scroll compressor

A scroll compressor is provided, the scroll compressor having a block insertion groove recessed by a predetermined depth into a rear surface of a non-orbiting scroll to accommodate a discharge port and a plurality of bypass holes, and a retainer block having a bypass valve that opens and closes the plurality of bypass holes fixedly inserted into the block insertion groove. The bypass valve may be fixed to a first axial side surface of the retainer block facing the block insertion groove. Through this, the bypass valve that suppresses or prevents overcompression of a compression chamber is not fastened to a non-orbiting end plate, which may allow the non-orbiting end plate to be reduced in thickness. This may shorten lengths of the plurality of bypass holes and the discharge port by the reduced thickness of the non-orbiting end plate, thereby decreasing a dead volume in the plurality of bypass holes and the discharge port.

太陽光モジュール、太陽光システム及びその動作方法

【課題】 本発明は、太陽光モジュール、太陽光システム及びその動作方法を提案する。【解決手段】 本発明の実施例に係る太陽光モジュールは、太陽電池モジュールと、太陽電池モジュールから入力される直流電源のレベルを変換して出力するコンバータと、コンバータからの直流電源を交流電源に変換するインバータと、コンバータ及びインバータを制御する制御部と、ゲートウェイ及び隣接する少なくとも１つの太陽光モジュールと電力線通信を行う通信部とを含み、通信部は、電力線通信を介して、周期的にゲートウェイ及び隣接する少なくとも１つの太陽光モジュールに通信状態情報を送信し、通信状態情報に基づいて決定された経路に沿ってゲートウェイから送信されたメッセージを受信する。これによって、電力線通信環境に応じて最適のメッセージ受信又は送信が可能になる。【選択図】 図１

Core, transformer, power conversion device, and solar module including same power conversion device

Disclosed are a core, a transformer, a power converting apparatus, and a photovoltaic module including the same. The core includes: a base; outer wall formed on the base; a first protruding member protruding on the base and disposed within the outer wall; and a second protruding member protruding on the base, disposed within the outer wall, and separated from the first protruding member, wherein a length of an edge of the second protruding member opposing the first protruding member is less than an outer circumference of the first protruding member. Accordingly, the second protruding member may be machined so easily that a leakage inductance can be easily controlled according to design specification.

Wearable electronic device and input structure using motion sensor in the same

A wearable electronic device is disclosed. The wearable electronic device may include a display, a main frame to secure the display, a first support frame and second support frame connected to opposite ends of the main frame, and being mountable on a user's ears, a motion sensor installed to at least one of the first support frame and the second support frame, and a protrusion structure formed on one surface of at least one of the first support frame and the second support frame, the protrusion structure including first protrusion patterns disposed at a first interval, and second protrusion patterns disposed at a second interval wider than the first interval. Certain contacts to the protrusion patterns are detectable as inputs by a processor.

Electronic apparatus including antenna structure

Provided is an electronic apparatus. The electronic apparatus may comprise: a lens frame accommodating a display member, the lens frame including a first end and a second end opposite the first end; a wearable member that includes a first wearable member connected to the first end and a second wearable member connected to the second end; an antenna structure that includes a first antenna structure located inside the first wearable member and a second antenna structure located inside the second wearable member; a connection member that includes a first connection member, of which at least a portion is located inside the first wearable member, a second connection member, of which at least a portion is located inside the second wearable member and which is electrically connected to the second antenna structure, and a third connection member, which is located inside the lens frame and electrically connected to the first connection member and the second connection member; and a communication module located inside the first wearable member and electrically connected to the first antenna structure, wherein the communication module is electrically connected to the first antenna structure and the second antenna structure via the connection member.

Electronic device including antenna structure

An electronic device is provided. The electronic device includes a lens frame configured to accommodate a display member and including a first end and a second end opposite to the first end, wearing member including a first wearing member connected to the first end and a second wearing member connected to the second end, antenna structure including a first antenna structure disposed within the first wearing member and a second antenna structure disposed within the second wearing member, connecting member including a first connecting member at least partially disposed within the first wearing member, a second connecting member at least partially disposed within the second wearing member and electrically connected to the second antenna structure, and a third connecting member disposed within the lens frame and electrically connected to the first connecting member and the second connecting member, and a communication module disposed within the first wearing member, electrically connected to the first antenna structure, and electrically connected to the second antenna structure via the connecting member.

Scroll compressor having at least one valve fixedly inserted into block insertion groove of non-orbiting scroll

A scroll compressor is provided, the scroll compressor having a block insertion groove recessed by a predetermined depth into a rear surface of a non-orbiting scroll to accommodate a discharge port and a plurality of bypass holes, and a retainer block having a bypass valve that opens and closes the plurality of bypass holes fixedly inserted into the block insertion groove. The bypass valve may be fixed to a first axial side surface of the retainer block facing the block insertion groove. Through this, the bypass valve that suppresses or prevents overcompression of a compression chamber is not fastened to a non-orbiting end plate, which may allow the non-orbiting end plate to be reduced in thickness. This may shorten lengths of the plurality of bypass holes and the discharge port by the reduced thickness of the non-orbiting end plate, thereby decreasing a dead volume in the plurality of bypass holes and the discharge port.

A solar cell

A solar cell is disclosed. The solar cell includes a semiconductor substrate on which a p-n junction is formed, a first electrode contacting a first conductive type semiconductor of the semiconductor substrate, a second electrode contacting a semiconductor of a second conductive type opposite the first conductive type, a plurality of first projections on a light receiving surface of the semiconductor substrate, and at least one second projection inside each of the plurality of first projections. A height of the second projection is less than a height of the first projection.

A solar cell

A solar cell is disclosed. The solar cell includes a semiconductor substrate on which a p-n junction is formed, a first electrode contacting a first conductive type semiconductor of the semiconductor substrate, a second electrode contacting a semiconductor of a second conductive type opposite the first conductive type, a plurality of first projections on a light receiving surface of the semiconductor substrate, and at least one second projection inside each of the plurality of first projections. A height of the second projection is less than a height of the first projection.

Wearable electronic device having implemented distribution system for content and vision processing

An example wearable electronic device includes a frame, a first arm and a second arm extending from the frame, respectively, a screen display disposed in the frame, and including a display, at least one camera disposed in the frame, a first processor located in the first arm, and operatively connected to the display, and a second processor located in the second arm, and operatively connected to the at least one camera, the first processor may be configured to display contents on the screen display part using the display, and the second processor may be configured to perform an operation associated with the at least one camera.

Electronic apparatus including lidar system and method for controlling electronic apparatus

An electronic device includes a light detection and ranging (LiDAR) system including an Rx sensor including autofocus pixels distributed among image pixels for sensing image information. The LiDAR system also includes a Tx light source configured to output a pulse laser. A processor calculates a distance between the LiDAR system and a subject using the autofocus pixels included in the Rx sensor and drives the Tx light source based on the distance. The processor adaptively determines the transmission power of the Tx light source based on the distance to the subject, and controls the Tx light source to output a pulse laser according to the transmission power.

Retainer block bypass hole valve assembly arranged in non-orbiting scroll of a compressor

A scroll compressor is provided that may include a block insertion groove to accommodate a discharge port and at least one bypass hole disposed in a rear surface of a non-orbiting end plate of a non-orbiting scroll, and a retainer block including at least one bypass valve to open or close the bypass hole inserted into the block insertion groove. The bypass hole may include a first bypass hole and a second bypass hole. The bypass valve may include a first bypass valve to open or close the first bypass hole and a second bypass valve to open or close the second bypass hole, and may be disposed between the block insertion groove and the retainer block facing the block insertion groove. Accordingly, the first and second bypass valves are not fastened to the non-orbiting end plate, which may allow the non-orbiting end plate to be made thin.

Scroll compressor

Solar cell and method for manufacturing the same, and solar cell module

A solar cell module includes a plurality of solar cells comprising a first solar cell and a second solar cell adjacent to each other; a conductive ribbon, wherein each of the plurality of solar cells comprises: a substrate; an emitter layer of positioned on the substrate; a plurality of finger electrodes formed in a first direction, each finger electrode being electrically connected to the emitter layer; and at least one first collector formed in a second direction crossing the first direction, the at least one first collector being electrically connected to the plurality of finger electrodes, wherein the conductive ribbon is attached to the at least one first collector in the second direction by a conductive adhesive, and wherein the conductive ribbon is attached on a collector region where the at least one first collector is formed and a deletion where the at least one first collector is not formed.

Scroll compressor

A scroll compressor is provided that may include a casing including a rotational shaft, a cover fixed inside of the casing to partition the inside of the casing into a suction space and a discharge space, a first scroll revolved by rotation of the rotational shaft, a second scroll disposed on or at one side of the first scroll to define a compression chamber together with the first scroll, the second scroll including a discharge, through which a refrigerant pressed in the compression chamber may be discharged, a switching device movably disposed on or at one side of the discharge to selectively open and close the discharge, a back pressure portion including a moving guide that accommodates at least a portion of the switching device, and a top surface that covers one side of the switching device; and an adhesion preventer that reduces a contact area between the switching device and at least a portion of the back pressure portion.

Solar cell and method for manufacturing the same, and solar cell module

A solar cell can include a substrate of a first conductive type; an emitter layer of a second conductive type opposite the first conductive type, and positioned on the substrate; a plurality of finger electrodes formed in a first direction, each finger electrode being electrically connected to the emitter layer; a plurality of first collector regions; a plurality of first electrodes positioned in a plurality of first collector regions and extending in the first direction from the plurality of finger electrodes; a plurality of second electrodes positioned in the plurality of first collector regions and formed in a perpendicular direction crossing the first direction; a plurality of third electrodes positioned in the plurality of first collector regions, connecting two neighboring first electrodes of the plurality of first electrodes and formed in the perpendicular direction; and a plurality of deletions positioned in the plurality of first collector regions. Furthermore, one of the plurality of second electrodes is positioned between a pair of the plurality of first electrodes.