Abstract: An air conditioner outdoor unit includes a cabinet including an air outlet provided at a top of the cabinet and an air inlet, a fan provided at the air outlet, a compressor assembly provided inside the cabinet and located below the fan, and a heat exchanger assembly provided inside the cabinet and located below the fan. At least part of the heat exchanger assembly is arranged between the compressor assembly and the air inlet. A minimum distance L between the compressor assembly and the fan in a height direction of the cabinet and a maximum size S of the heat exchanger assembly in the height direction of the cabinet satisfy L>S/5.

Abstract: An air conditioner outdoor unit and an air conditioner are provided. The air conditioner outdoor unit includes: a cabinet, which is provided with an air inlet and an air outlet; a refrigerant circulation device, which is arranged inside the cabinet, and partial region of which interferes with an airflow path between the air inlet and the air outlet; and a fan, which is provided inside the cabinet and arranged opposite to the air outlet. In a direction of a rotational axis of the fan, the partial region has a projection region on the fan. The fan is provided with at least one fan blade. An installation angle of the fan blade at any elementary stage within the projection region is larger than an installation angle of the fan blade at an elementary stage outside the projection region.

Abstract: The present application provides an air conditioner outdoor unit and an air conditioner. The air conditioner outdoor unit includes: a cabinet, which has an air inlet and an air outlet, an airflow channel being formed between the air inlet and the air outlet, and a side wall of the cabinet having a first inner side face and a second inner side face arranged opposite to each other; an axial flow fan, which is arranged inside the airflow channel; and a heat exchanger assembly, which is arranged within the airflow channel; in which in a direction of a rotational axis of the axial flow fan, the axial flow fan and the heat exchanger assembly are sequentially arranged; the heat exchanger assembly includes a first portion and a second portion, the first portion is arranged to extend along the first inner side face.

Abstract: An air conditioner outdoor unit includes a cabinet including an air outlet, an electric control box with at least part thereof arranged inside the cabinet, a fan arranged inside the cabinet and located at the air outlet, and a heat dissipation device arranged inside the cabinet. In an axis direction of the fan, the heat dissipation device is located on one side of the fan. In the axis direction of the fan, a projection of the heat dissipation device toward the fan is at least partially located within a circumferential edge of the fan.

Abstract: The present application provides an air supply assembly, an air conditioner outdoor unit, and an air conditioner. The air supply assembly includes: a fan, which includes at least one fan blade having a rear edge of the fan blade and an outer edge of the fan blade; in which the outer edge of the fan blade is located on a side away from a rotational axis of the fan, and the rear edge of the fan blade is connected to the outer edge of the fan blade; the orientation of the rear edge of the fan blade is opposite to a rotational direction of the fan, and a vortex disturbing structure is provided on the rear edge of the fan blade; and a flow guide member having a flow guide channel; in which the flow guide channel is sleeved on an outer side of the fan.

Abstract: An air guide cover including an air outlet, an air guide channel configured to house a fan of an outdoor unit of an HVAC apparatus, and an air inlet communicated with the air outlet through the air guide channel. At least one of an inner wall of the air inlet, an inner wall of the air outlet and an inner wall of the air guide channel is provided with a flow-disturbance structure. The flow-disturbance structure includes at least one of a protrusion part and a cut-out part.

Abstract: The present application provides an outdoor unit of an air conditioner, and a HVAC device. The outdoor unit of the air conditioner includes: a casing, a fan, and a heat exchanger; the casing is provided with an air outlet; the fan is arranged facing the air outlet; the fan is provided with a rotating central axis, and the heat exchanger is arranged around the rotating central axis; a distance between the heat exchanger and the fan in an axial direction of the rotating central axis is d, a diameter of the fan is D, and d/D?0.05. In the outdoor unit of the air conditioner provided in the present application, the distance between the heat exchanger and the fan in the axial direction of the rotating central axis, is d, and the diameter of the fan is D. By arranging d/D to be greater than or equal to 0.05.

Abstract: The present application discloses an axial flow wind wheel, including a wheel hub and blades; inner edges of the plurality of blades are connected to the wheel hub, and the blades are uniformly arranged at interval in a circumferential direction of the wheel hub; a suction surface of each blade is provided with rows of flow guide structures, and each row of flow guide structure includes flow guide ribs arranged along an arc corresponding thereto; and the arcs respectively corresponding to the rows of flow guide structures are concentric with an axis of the wheel hub, and are arranged at interval in a radial directional of the wheel hub. An air conditioner outdoor unit includes a heat exchanger, a driving motor, and the axial flow wind wheel.

Abstract: The present invention provides a process for chemical synthesis of different optical forms of ergothioneine (e.g., L-form or D-form or any mixture thereof). Another aspect of the invention relates to a composition comprising a non-racemic mixture of L-ergothioneine and D-ergothioneine.

Abstract: The present disclosure relates to the field of air conditioners, and in particular to an air conditioning outdoor unit and an air conditioner therewith. The present disclosure provides an air conditioning outdoor unit, including: a case, where an air outlet is provided at a top of the case, and a compressor assembly is provided at a bottom of the case; a wind turbine, where the wind turbine is arranged at the top of the case and is located at a position of the air outlet; and an electronic control box, where the electronic control box is arranged at the case, and a distance between a bottom of the electronic control box and the bottom of the case is Z2, Z2?0.8×h, h being a height of the compressor assembly. In the air conditioning outdoor unit of the present disclosure.

Abstract: An air guide ring for an air conditioner outdoor unit is provided. The air guide ring includes an air guide ring body. An air guide channel is defined in the air guide ring body. The air guide ring body includes a first limiting portion and a second limiting portion. The first limiting portion and the second limiting portion are configured to fit with a fixing member of the air conditioner outdoor unit and to implement bi-directional limiting, so as to prevent inward contraction deformation and outward expansion deformation of the air guide ring body from occurring.

Abstract: An air conditioner outdoor unit, including a housing, a heat exchanger, a fan wheel, an electric motor and a support, and the housing is provided with a first cavity and an air outlet in communication with the first cavity; the heat exchanger is arranged in the first cavity and connected to the housing; in a horizontal direction, the heat exchanger includes a first portion and a second portion which are opposite each other, a minimum distance S being provided between the first portion and the second portion; the support is arranged in the first cavity, is connected to the housing, and is located above the heat exchanger; the electric motor is in the first cavity and is arranged on the support; the fan wheel is in the first cavity, is connected to the electric motor, and has a diameter of D; and a first portion of the support is opposite the heat exchanger in a vertical direction, the minimum distance between the first portion and the heat exchanger in the vertical direction is L1, and when S<D, 0?L1?0.15D.

Abstract: An apparatus for recommending a customer item identifies a purchase tendency of a customer based on an image, determines a recommended item for the customer by selecting a purchase tendency model corresponding to the purchase tendency, and provides information associated with the determined recommended item.

Abstract: Disclosed are a pose estimation methods and apparatuses of displaying a virtual object using an estimated pose. The pose estimation method includes receiving an input image and estimating pose information of an object from the input image based on local information of the object.

Abstract: Disclosed is an object pose estimating method and apparatus. The pose estimating method includes acquiring a two-dimensional (2D) image corresponding to an object, extracting a global visual feature and a local geometric feature of the object in the 2D image, and estimating a three-dimensional (3D) pose of the object based on the global visual feature and the local geometric feature.

Abstract: Disclosed is an object pose estimating method and apparatus. The pose estimating method includes acquiring a two-dimensional (2D) image corresponding to an object, extracting a global visual feature and a local geometric feature of the object in the 2D image, and estimating a three-dimensional (3D) pose of the object based on the global visual feature and the local geometric feature.

Abstract: Disclosed are a pose estimation methods and apparatuses of displaying a virtual object using an estimated pose. The pose estimation method includes receiving an input image and estimating pose information of an object from the input image based on local information of the object.

Abstract: An apparatus for recommending a customer item identifies a purchase tendency of a customer based on an image, determines a recommended item for the customer by selecting a purchase tendency model corresponding to the purchase tendency, and provides information associated with the determined recommended item.

Abstract: A single degree of freedom vibration isolating device of a linear motor and a motion control method thereof. The vibration isolating device comprises a balance block, an anti-drifting driving unit, and a control unit. An upper surface of the balance block is connected to a stator of the linear motor, and a lower surface of the balance block is connected to a base. The anti-drifting driving unit is connected to the balance block for controlling the position of the balance block. Provided two motion control methods: inputting a second grating ruler signal to the control unit as feedback to perform variable stiffness and nonlinear control on the balance block; inputting a first and a second grating ruler signal to the control unit as feedback to obtain resultant centroid displacement signals of the rotor and the balance block to perform nonlinear anti-drifting control on the balance block.

Abstract: A single degree of freedom vibration isolating device of a linear motor and a motion control method thereof. The vibration isolating device comprises a balance block, an anti-drifting driving unit, and a control unit. An upper surface of the balance block is connected to a stator of the linear motor, and a lower surface of the balance block is connected to a base. The anti-drifting driving unit is connected to the balance block for controlling the position of the balance block. Provided two motion control methods; inputting a second grating ruler signal to the control unit as feedback to perform variable stiffness and nonlinear control on the balance block; inputting a first and a second grating ruler signal to the control unit as feedback to obtain resultant centroid displacement signals of the rotor and the balance block to perform nonlinear anti-drifting control on the balance block.