Abstract: A method and a device for locating a fault are provided. The method is applied to an energy storage system, which includes a first battery module, a second battery module, a sensor, and a PCS. A first branch where the first battery module is arranged and a second branch where the second battery module is arranged are connected in parallel and are electrically connected to the sensor. The PCS is electrically connected to the first and the second battery modules. The method includes: switching the first and second branches to a target state and acquiring a second signal sensed by the sensor in the target state, in response to a first signal sensed by the sensor meeting a first preset condition; locating the fault according to the first signal and the second signal; and disconnecting a branch where the fault is located.

Abstract: The present disclosure provides a power end housing for a plunger pump and a plunger pump including the power end housing. The power end housing includes: an integrated crankcase, where the crankcase includes a plurality of bearing seats and supported by support vertical plates, the support vertical plates are spaced apart in an axial direction of the bearing seats, and the crankcase includes a first reinforcing rib between every two support vertical plates, wherein an angle between a direction of a maximum resultant force on the bearing seats and an axial direction of a plunger of the plunger pump is ?max, an angle between the first reinforcing rib and the axial direction of the plunger is a first angle, and the first angle is greater than or equal to 0.8 ?max and less than or equal to 1.2 ?max.

Abstract: A pump comprises: a housing; a stator disposed in the housing; an outer gear disposed in the stator, an inner gear disposed in the outer gear, a shaft disposed at the center of the inner gear; and a bearing coupled to one end of the shaft, wherein the shaft comprises a first region coupled to the inner gear and a second region coupled to the bearing, and the center of the first region and the center of the second region are different from each other.

Abstract: A scroll component of a compression mechanism, a compression mechanism having the scroll component, and a scroll compressor. A scroll blade of the scroll component comprises a compression section and an extension section, which are connected to each other, wherein the compression section is located on an inner side of the extension section in a profile line direction; the radial thickness of the extension section is less than the radial thickness of the compression section; and a material-removed section is formed at the extension section, and a chamber constructed by the extension section is in communication with a low-pressure environment outside a compression mechanism via the material-removed section. Therefore, the effect of improving the fatigue strength is achieved.

Abstract: A linear motion guide unit includes a rail, a slider, and a plurality of balls. The slider includes a coil spring arranged in a first circulation passage so as to extend in a longitudinal direction. The coil spring includes a pair of first regions provided at both ends in the longitudinal direction and fitted in the first circulation passage, and a second region smaller in diameter than the pair of first regions and positioned between the pair of first regions with a gap from an inner wall surface of the first circulation passage.

Abstract: A connection structure of a hose for transmission oil including a multilayer hose having a first rubber layer formed by a first pipe, a braided layer formed on an outer surface of the first rubber layer and formed by braiding aramid fibers. A second rubber layer located on the outer surface of the first rubber layer. A first connector including a body inserted into an inside of the first rubber layer and including a second pipe connected with the first pipe, and a stopper protruding from the body, and an inclined portion formed at an end of the body and forming an uphill slope of 11˜17° to one side of the body. A second connector including a cover portion covering the multilayer hose and a plurality of pressurized portions formed concave with respect to an outer peripheral surface of the cover portion and in contact with the multilayer hose.

Abstract: A mainboard protection system and method are provided. A precision resistor is arranged between an overcurrent protection component and a voltage regulator, and the precision resistor is connected to a current monitoring circuit. The current monitoring circuit is connected to a complex programmable logic device, and transmits, w detecting that a voltage difference of the precision resistor is greater than a set threshold, an early-warning signal to the complex programmable logic device. The complex programmable logic device is connected to a processor and sends, when receiving the early-warning signal, an interrupt signal to the processor. in response to receiving the interrupt signal, the processor cuts off outputting of the overcurrent protection component.

Abstract: The present invention pertains to a transparent orthodontic device and a method for its preparation. The transparent orthodontic device described herein includes a tooth-contacting portion. This tooth-contacting portion consists of a concave section that makes contact with the tooth and a convex section that does not make contact with the tooth, positioned opposite each other.

Abstract: A plate-type heat exchanger that performs heat exchange between a first fluid and a second fluid and includes a main body plate stack including a plurality of main body plates stacked on one another, and a plurality of heat exchange flow paths defined between the stacked main body plates and configured to allow the first or second fluid to flow therethrough, an upper plate coupled to the main body plate stack in a first direction, and a lower plate coupled to the main body plate stack in a second direction opposite to the first direction. The main body plate may include a plurality of elongated protruding portions each having a shape protruding from a surface of the main body plate and extending in a direction at least partially coincident with a direction in which the first or second fluid flows in the heat exchange flow path.

Abstract: An electronic device includes: a sensor; at a memory storing instructions; and at least one processor operatively connected to the sensor, where, by executing the instructions, the at least one processor is configured to: obtain information about a first magnetic field of a virtual marker through the sensor; configure a reference distance, based on the information about the first magnetic field of the virtual marker; obtain information about a second magnetic field corresponding to a location of the electronic device, based on a specified detection time interval; and detect a Euclidean distance, based on the information about the first magnetic field of the virtual marker and the information about the second magnetic field corresponding to the location of the electronic device.

Abstract: A waste material discharge device comprises a material bin, a trigger connecting rod, and a material blocking plate, wherein a cavity is formed in the material bin, a material inlet and a material outlet are formed in the material bin, the material inlet, the cavity, and the material outlet are sequentially communicated to form a material discharge channel, the material inlet is used for the entry of waste materials of a 3D printer, and the material outlet is configured to communicate with an outside of the 3D printer to enable the waste materials to be discharged to the outside of the 3D printer along the material discharge channel. A first end of the trigger connecting rod rotates under the push of a printing head, when the trigger connecting rod rotates, a second end thereof pushes the material blocking plate in the material bin to rotate.

Abstract: An electronic device comprising a communication interface, a display, and a processor. The processor identifies an external electronic device storing information of a user account that is stored in the electronic device, from among at least one external electronic device enabled to communicate with the communication interface; based on a user input executing an application of the of the identified external electronic device being received, controls the display to display a UI for inquiring whether the electronic device is enabled to provide content provided through an application of the identified external electronic device. The processor, upon a user input requesting provision of content being received through the UI, controls, information related to the content received from the identified external electronic device to be displayed so that content to be provided from the identified external electronic device is displayed through the application executed in the electronic device.

Abstract: The present disclosure refers to a method for determining a thermal coupling between a temperature sensor and a battery cell of a battery system, the method comprising: heating the temperature sensor by applying a heating current to the temperature sensor, the heating current being supplied by a high voltage side of the battery system, determining the temperature or a temperature-dependent property of the temperature sensor, comparing the determined temperature or temperature-dependent property with a first predefined threshold, and determining a reduced thermal coupling between the temperature sensor and the battery cell if the determined temperature or temperature-dependent property is higher than the first predefined threshold.

Abstract: A battery pack including: a plurality of stacked battery cells; and a case that accommodates the plurality of battery cells, in which a side wall of the case is provided with an opening in a stacking direction of plurality of the battery cells, the opening having a closed periphery, and a pressurization plate that presses the plurality of battery cells against the case in the stacking direction is attached to the opening.

Abstract: Provided are an organic electronic element including a substrate and an anode disposed on the substrate, wherein a first part as an emitting area and a second part as a transmission area are on the anode; the first part and the second part include an organic material layer formed in common; the organic material layer includes a hole transport layer, an emitting layer, and an electron transport layer; a metal electrode is on the organic material layer of the first part, and a metal patterning layer is on the organic material layer of the second part; the metal patterning layer is formed to be thicker than the thickness of the metal electrode, and a fluorine compound is used as a metal patterning material, thereby forming a fine pattern of the electrode without using a shadow mask, and facilitating the production of a transparent display having high light transmittance, thereby facilitating the application of UDC.

Abstract: A display device can include a substrate, a tilt electrode disposed on the substrate and having an upper surface of a tilting slope, a pixel electrode disposed to overlap the tilt electrode, a light emitting layer disposed to overlap the pixel electrode, and a cathode electrode disposed to overlap the light emitting layer, thereby increasing the viewing angle of the display device.

Abstract: A manufacturing method of a display panel is provided. In the display panel, a driving circuit layer includes an auxiliary electrode and an undercut structure. An undercut space is defined on the undercut structure. The auxiliary electrode includes a connection portion. The connection portion extends along a peripheral direction of the undercut structure. The connection portion is exposed by the undercut space. A light-emitting layer and a second electrode are cut at where the undercut structure is. The second electrode is connected to the connection portion of the auxiliary electrode. An encapsulation layer extends into the undercut space and covers the second electrode.

Abstract: A display panel includes a display area and a peripheral area including a lead-out area, the lead-out area including a binding part. The display panel includes a driving backplane, light-emitting devices, encapsulation adhesives and an encapsulation cover plate. The driving backplane includes a substrate and a circuit layer; the circuit layer includes an encapsulation base and a power bus, which are distributed in a direction away from the substrate; the encapsulation base is arranged in the peripheral area and surrounds the display area; the power bus is at least partially located in the lead-out area; the portion of the power bus located in the lead-out area is located between the display area and the binding part, and is connected to the binding part; the encapsulation base at most overlaps with the portion of the power bus located in the lead-out area.

Abstract: An image decoding/encoding method and apparatus are discussed. The image decoding method can include obtaining, through a bitstream, image information comprising information on quantized transform coefficient levels, deriving transform coefficients of a current block based on the information on quantized transform coefficient levels, and determining a transform set for a secondary inverse-transform based on an intra prediction mode of the current block.

Abstract: Examples of the present disclosure relate to a separator for a rechargeable lithium battery, and a rechargeable lithium battery including the separator. The separator includes a separator for a rechargeable lithium battery including a porous base and a coating layer located on at least one surface of the porous base. The coating layer includes a cross-linked product of a composition containing a binder and a cross-linking agent and a filler, the binder includes a (meth)acryl-based binder containing a first structural unit derived from (meth)acrylamide and a second structural unit containing a heterocyclic ketone group. The cross-linking agent includes an aziridine-based cross-linking agent, and the filler has a particle diameter D100 of about 1.0 ?m or less.