Abstract: A household appliance includes a connection mechanism fixing a door and a main body. The connection mechanism includes first and second components fixed by first and second fixing mechanisms. The first mechanism includes a first fixing member, a first hole on the first component and a second hole on the second component. The second mechanism includes a second fixing member, third holes elongated in a second direction at intervals on the first component and fourth holes at intervals in a first direction on the second component. When the second fixing member passes through a third hole and a fourth hole, the third and fourth holes define a distance between centers of remaining third holes and centers of remaining fourth holes in the first direction. The fourth holes adjust positions relative to the third holes in the second direction, causing the first and second components to relatively rotate.

Abstract: A refrigeration device has a main body, a first door with an opening, and a second door for opening and closing the opening. A first hinge member connects the first door to the main body and a second hinge member that is fixed on the first door including a second door hinge shaft connected to the second door. A first stop portion is fixed on a lower side of the second hinge member and is matched to a first limiting portion of the first hinge member. When the first door rotates to a first preset angle, the first stop portion abuts against the first limiting portion. A stop function is integrated on a hinge of a door body of the refrigeration device, thus reducing a quantity of parts of the refrigeration device and assembly complexity, and improving assembly precision and efficiency of the refrigeration device.

Abstract: A refrigeration device has a first door with an opening and a second door for closing the opening in the first door. A first hinge member has a first connection portion fixed on a main body of the refrigeration device and a first hinged portion connected to the first door. A second hinge member has a second connection portion fixed on the first door and a second hinged portion connected to the second door. The second hinge member includes a columnar portion that is hinged to the first hinged portion. One of the columnar portion and the first hinged portion has a first shaft hole, and the other one has a first hinge shaft that extends into the first shaft hole. The novel device prevents a door body of the refrigeration device from being damaged at a hinged position and the reliability of the refrigeration device is improved.

Abstract: A refrigerator includes a cabinet and a door connected to the cabinet. The door includes a door sheet body, a side cover connected to an end portion of the door sheet body and a controller fixed to the side cover. The side cover is provided with an installation hole which faces away from an opening at a side of the door sheet body, and a cover member configured to seal the opening. The controller is located in the installation hole. The controller is installed in the side cover, so as not to be damaged by being immersed in a foaming liquid, thereby enabling a simpler assembly process.

Abstract: An aerothermal-radiation correction method, including: using a Gaussian surface to approximate a thermal radiation noise, performing a Fourier transform on the Gaussian surface so as to obtain a centralized spectrum of the thermal radiation noise, constructing a filter function H based on the centralized spectrum of the thermal radiation noise; performing a Fourier transform on the aerothermal-radiation degraded image f so as to obtain a centralized spectrum F, taking dot product of F and H to obtain a filtered spectrum G; and performing an inverse Fourier transform on filtered spectrum G to obtain a modulus, and acquire a corrected image. The method effectively removes background noise generated by aerothermal radiation, greatly improves image quality and image signal-to-noise ratio. The method features reduced computational complexity and a shorter operation time, and is suited for real-time processing.

Abstract: A refrigerator includes a case body; a first door, pivotally connected to the case body by using a first hinge; and a second door, pivotally connected to the first door by using a second hinge. The top of the first door is provided with a first installation portion adapted to install the first hinge and a second installation portion adapted to install the second hinge. The second installation portion includes a groove recessed downwards from the first installation portion. The solution of the present invention can reserve more space for movement of a door body along a height direction, thereby avoiding interference between the first hinge and the second hinge.

Abstract: A refrigeration appliance includes a case body and a door to be connected to the case body for sliding forwards and backwards. The door includes a front wall, a rear wall spaced from the front wall, a side wall interconnecting the front and rear walls, and an accommodating space formed and enclosed by the front, rear the side walls and filled with a heat insulation material. A power and/or signal transmission apparatus passes through a through hole in the rear wall and includes cables. A cable guiding member located in the accommodating space is used for guiding the cables. Not only can the cables be fixed conveniently and prevented from being stacked randomly in the accommodating space, but the cable guiding member can also guide the cables and provide conditions for power supply for wiring in the door.

Abstract: A household appliance includes a connection mechanism fixing a door and a main body. The connection mechanism includes first and second components fixed by first and second fixing mechanisms. The first mechanism includes a first fixing member, a first hole on the first component and a second hole on the second component. The second mechanism includes a second fixing member, third holes elongated in a second direction at intervals on the first component and fourth holes at intervals in a first direction on the second component. When the second fixing member passes through a third hole and a fourth hole, the third and fourth holes define a distance between centers of remaining third holes and centers of remaining fourth holes in the first direction. The fourth holes adjust positions relative to the third holes in the second direction, causing the first and second components to relatively rotate.

Abstract: A refrigeration appliance and a heat insulation door thereof are provided. The heat insulation door includes a heat insulation vacuum glass module formed with a first glass plate and the second glass plate that are overlapped and that have a first interval; a third glass plate overlapped on the vacuum glass module and having a second interval with the vacuum glass module; and the second interval is filled with inert gas. The novel door improves the heat insulation of the refrigeration appliance.

Abstract: An aerothermal-radiation correction method, including: using a Gaussian surface to approximate a thermal radiation noise, performing a Fourier transform on the Gaussian surface so as to obtain a centralized spectrum of the thermal radiation noise, constructing a filter function H based on the centralized spectrum of the thermal radiation noise; performing a Fourier transform on the aerothermal-radiation degraded image f so as to obtain a centralized spectrum F, taking dot product of F and H to obtain a filtered spectrum G; and performing an inverse Fourier transform on filtered spectrum G to obtain a modulus, and acquire a corrected image. The method effectively removes background noise generated by aerothermal radiation, greatly improves image quality and image signal-to-noise ratio. The method features reduced computational complexity and a shorter operation time, and is suited for real-time processing.

Abstract: A heat insulation door of a refrigeration appliance has a door body with a heat insulation glass module, which includes at least two layers of glass plates disposed with an interval, and a first sealing portion is disposed between the edges of the adjacent glass plates to form an enclosed heat insulation space between the adjacent glass plates; a doorframe surrounds an edge of the heat insulation glass module along a circumferential direction, wherein the doorframe has a rear frame portion located at the back of the heat insulation glass module along a front-to-rear direction of a door, and a door sealing strip is provided at the back of the rear frame portion. Along a direction parallel to the door body, the door sealing strip is at least partially located on an inner side of the first sealing portion located on a same edge.

Abstract: A polishing device for optical elements includes: a tool shank (1), and a polishing disc base; wherein the tool shank (1) is connected to the polishing disc base and is mounted on a tool shaft of a numerical-controlled processing device; wherein a polishing film (3) is stuck on the polishing disc base; the polishing disc base is a profiling polishing disc base (7), a cylinder polishing disc base (2), a profiling polishing disc base (12) or a spherical polishing disc base (8); wherein the tool shank (1) is independent and universal, thereby reducing the processing cost of the polishing device. A polishing method for optical elements is based on the shapes mentioned above of the polishing disc base, including steps of: fixing a polishing disc connecting rod (11); sticking a polishing film (3); trimming the polishing film (3); and polishing an unprocessed work piece (6).

Abstract: An aerodynamic optical effect correction and identification integrated real-time processing system, comprising an FPGA module, a multi-core main processor DSP, a plurality of auxiliary processors ASICs and an infrared image non-uniformity correction system-on-chip (SoC). By means of the system, full-image thermal radiation correction, denoising, transmission effect correction and target detection processes of an aerodynamic optical effect degradation image are achieved. Correspondingly, provided is the corresponding method.

Abstract: A refrigeration appliance includes a case body and a door connected to the case body. The door includes a doorframe, a container connected to the back of the doorframe, and a foamed heat insulation material located between the doorframe and the container. The door has a through hole that extends in a front-to-rear direction. The doorframe has a first wall facing the through hole. The container has a second wall facing the through hole. The first wall and the second wall are superposed and clamped to form an inner wall of the through hole. This solution can avoid displacement between the doorframe and the container, thereby avoiding foam leakage.

Abstract: A refrigeration appliance and a door for a refrigeration appliance. The door includes an inner door-wall, a door plate and a side cover. The side cover includes a first cover member and a second cover member bonded along a length direction of the side cover. A connecting structure connects the first cover member and the second cover member. The connecting structure includes at least two slots and at least two insert portions inserted into the matching slots in the length direction of the side cover. The at least two insert portions include a first insert portion and a second insert portion perpendicular to each other. Accordingly, the first cover member and the second cover member are connected conveniently, and connecting stability and firmness are achieved.

Abstract: A method for detecting defects in computer software code comprises: preprocessing a code to check; generating an SEG for the code to check, wherein the SEG includes nodes, data dependency edges and control dependency edges that connect the nodes, wherein, the nodes include value nodes and operator nodes, the value nodes including terminal value nodes representing unknown values or constants generated outside a function, and non-terminal value node representing values generated within the function, wherein each non-terminal value node is associated with a unique memory location, and wherein the data dependency edge is a directed edge connecting a value node to another value node that has a direct data dependency relationship with the value node, and traversing the SEG in a depth-first way backward from a null pointer node in a lowest level of the SEG and generating a bug report when a defect is found.

Abstract: A machine control system includes an input module, a worktable, a first sliding module, a second sliding module, a lathe feeding module, a lathe tool connected to the lathe feeding module, a milling feeding module, a milling cutter connected to the milling feeding module, and a control module. The control module is electrically connected to the input module, the worktable, the first sliding module, the second sliding module, the lathe feeding module, and the milling feeding module, wherein the input module inputs control parameters into the control module to control the first sliding module and the second sliding module. The lathe feeding module controls the lathe tool to slide along a third direction perpendicular to the first direction and the second direction reciprocally, and the milling feeding module controls the milling cutter to slide along the third direction and rotate along a first axis.

Abstract: A door for a refrigerator includes a door housing, which is provided with a thermal insulation material therein, where the thermal insulation material is combined with the door housing. The door housing has a concave portion recessed backwards from a front surface of the door, where one end of the concave portion is provided with a ramp that extends forwards. A detachable member is provided and is isolated from the thermal insulation material and is connected to the door housing. Accordingly, at least one part of the ramp is formed by the detachable member.

Abstract: A refrigerator includes a door having a handle groove, a grip portion located in front of the handle groove, and a front panel located in front of the grip portion. The grip portion is close to a rear surface of the front panel or is in contact with the rear surface of the front panel. The door includes at least a metal reinforcement member disposed in the grip portion.

Abstract: An aerothermal radiation effect frequency domain correction method, comprising: use a Gaussian surface to approximate a thermal radiation noise, perform a Fourier transform on the thermal radiation noise to obtain an amplitude spectrum, then normalize and segment the amplitude spectrum to obtain a filter thresholding template, BW, then use the filter thresholding template, BW, to construct a filter function, H; perform a Fourier transform on an image degraded by aerodynamic thermal radiation, f, to obtain a centralized frequency spectrum, F, then take the dot product of F and H to obtain a real-time image frequency spectrum, G; and perform an inverse Fourier transform on G to obtain a modulus, and acquire an image corrected for thermal radiation, g. Using the method effectively removes background noise generated by aerothermal radiation to restore a clear image, greatly improving image quality and image signal-to-noise ratio.