Abstract: Provided are a method and apparatus for storing and reading data, a non-volatile storage medium, and an image processing device. The method includes: target pixel data of an original image for display in a plurality of lamp panels and a pixel parameter corresponding to each piece of pixel data are acquired; according to a pixel address mapping relationship and the pixel parameter, adjacent addresses in a memory are allocated to the pixel data respectively corresponding to different lamp panels in the target pixel data, so as to determine a memory location where each piece of pixel data is stored in the memory; the target pixel data is stored to the memory according to the memory location; a set of adjacent pixel data is successively read out from the memory at every time until all the target pixel data is read out from the memory.

Abstract: The disclosure relates to an electric machine and an assembling method for an electric machine. The electric machine includes: a shaft assembly including a first shaft, a second shaft coaxially disposed within an inner circumference of the first shaft, and a bearing disposed between the first shaft and the second shaft; a first revolving body coaxially connected to the first shaft, wherein the first revolving body includes an annular first adapter bracket, and a tubular structural portion extending in an axial direction is disposed at an inner circumference of the first adapter bracket; a second revolving body coaxially connected to the second shaft and disposed around an outer circumference of the first revolving body; and a guiding assembly disposed between the tubular structural portion and the first shaft to restrict a movement of the first revolving body relative to the first shaft in a circumferential direction and a radial direction.

Abstract: Provided are a method and apparatus for storing and reading data, a non-volatile storage medium, and an image processing device. The method includes: target pixel data of an original image for display in a plurality of lamp panels and a pixel parameter corresponding to each piece of pixel data are acquired; according to a pixel address mapping relationship and the pixel parameter, adjacent addresses in a memory are allocated to the pixel data respectively corresponding to different lamp panels in the target pixel data, so as to determine a memory location where each piece of pixel data is stored in the memory; the target pixel data is stored to the memory according to the memory location; a set of adjacent pixel data is successively read out from the memory at every time until all the target pixel data is read out from the memory.

Abstract: The disclosure relates to an electric machine and an assembling method for an electric machine. The electric machine includes: a shaft assembly including a first shaft, a second shaft coaxially disposed within an inner circumference of the first shaft, and a bearing disposed between the first shaft and the second shaft; a first revolving body coaxially connected to the first shaft, wherein the first revolving body includes an annular first adapter bracket, and a tubular structural portion extending in an axial direction is disposed at an inner circumference of the first adapter bracket; a second revolving body coaxially connected to the second shaft and disposed around an outer circumference of the first revolving body; and a guiding assembly disposed between the tubular structural portion and the first shaft to restrict a movement of the first revolving body relative to the first shaft in a circumferential direction and a radial direction.

Abstract: A motor slot wedge having a sealing structure is provided. An outer wall of the slot wedge is provided with a groove, and a thermal expansion material is provided in the groove, and the thermal expansion material, after expanding with heat, is in contact with an inner wall of an iron core tooth slot. A combination structure of a motor slot wedge having a sealing structure and a motor iron core is further provided, and includes the motor iron core having an iron core tooth slot and the motor slot wedge. A sealing structure is formed between the slot wedge and the inner wall of the slot of the iron core, thereby preventing the moisture from entering the inside of the slot of the iron core and damaging the insulation structure accordingly, and preventing varnish loss after varnish vacuum pressure impregnation.

Abstract: A lightning protection device includes a lightning arrester arranged on a nonmetallic blade and configured to receive a lightning current, and a blade down lead electrically connected to the lightning arrester. The lighting protection device further includes: a first lightning current conducting component, electrically connected to the blade down lead and connected to an outer surface of a generator rotor in an insulation manner; a second lightning current conducting component, connected to the outer surface of the generator rotor and an insulated nacelle cover in insulation manner, and electrically connected to the first lightning current conducting component via a metal conductor; and a lightning protection down lead, configured to electrically connect the second lightning current conducting component and a grounding component arranged inside a tower, to discharge the lightning current to ground through the tower.

Abstract: A heating device for an annular component is provided. The heating device is configured to heat the annular component via hot gas flow, and includes a gas flow heater, a draught fan, and an annular cavity for accommodating the annular component. An outer wall of the annular cavity is provided with a gas flow inlet and a gas flow outlet, the gas flow heater heats a gas flow, and the draught fan enables the gas flow to enter into the gas flow inlet, pass through a gas flow passage in the annular cavity, and be discharged via the gas flow outlet.

Abstract: A permanent-magnet direct-drive wind power generator, a system and a stator thereof are provided. The stator includes a stator support, a stator iron core arranged around an outer peripheral wall of the stator support and a blade side tooth pressing plate arranged on an axial end face at a blade side of the stator iron core. At least one first air hole is provided in the outer peripheral wall of the stator support, and at least one second air hole is provided in the blade side tooth pressing plate, and further includes at least one air flow passage via which the first air hole and the second air hole are in communication with each other, and the air flow passage passes through the interior of the stator iron core. The stator can introduce air flow inside the stator support to an axial end face of the stator iron core.

Abstract: A heating device for protecting a bearing of a wind power generator and a bearing system, wherein the heating device is applied to a main shaft of the wind power generator that is externally provided with a bearing, and the heating device is disposed inside the main shaft at a position corresponding to the position of the bearing. The heating device includes multiple circular arc sections, a flexible heat source and a supporting device. The flexible heat source is provided between the circular arc sections and an inner wall of the main shaft. The supporting device supports the internal surface of the circular arc sections, so that the flexible heat source is closely adhered to the inner wall of the main shaft. A heat source is provided for the bearing by the heating device for bearing protection of a wind power generator and the bearing system.

Abstract: A stator of a permanent magnet direct-drive wind power generator includes a stator support, a stator iron core, a blade side tooth pressing plate and a blade side surrounding plate. At least one comb tooth air inlet hole is provided on a side close to the rotor of the blade side surrounding plate, the comb tooth air inlet hole and the second air hole are connected respectively via an air guide pipe. A first spiral comb tooth mechanism is provided on a side, close to the rotor sealing ring, of the blade side surrounding plate, the first spiral comb tooth mechanism is in communication with the comb tooth air inlet hole. The first spiral comb tooth mechanism has first spiral comb teeth protruding into an annular gap formed by the blade side surrounding plate and the rotor sealing ring for generating an airflow with spiral motion.

Abstract: A heating device for protecting a bearing of a wind power generator and a bearing system, wherein the heating device is applied to a main shaft of the wind power generator that is externally provided with a bearing, and the heating device is disposed inside the main shaft at a position corresponding to the position of the bearing. The heating device includes multiple circular arc sections, a flexible heat source and a supporting device. The flexible heat source is provided between the circular arc sections and an inner wall of the main shaft. The supporting device supports the internal surface of the circular arc sections, so that the flexible heat source is closely adhered to the inner wall of the main shaft. A heat source is provided for the bearing by the heating device for bearing protection of a wind power generator and the bearing system.

Abstract: A stator of a permanent magnet direct-drive wind power generator includes a stator support, a stator iron core, a blade side tooth pressing plate and a blade side surrounding plate. At least one comb tooth air inlet hole is provided on a side close to the rotor of the blade side surrounding plate, the comb tooth air inlet hole and the second air hole are connected respectively via an air guide pipe. A first spiral comb tooth mechanism is provided on a side, close to the rotor sealing ring, of the blade side surrounding plate, the first spiral comb tooth mechanism is in communication with the comb tooth air inlet hole. The first spiral comb tooth mechanism has first spiral comb teeth protruding into an annular gap formed by the blade side surrounding plate and the rotor sealing ring for generating an airflow with spiral motion.

Abstract: A permanent-magnet direct-drive wind power generator, a system and a stator thereof are provided. The stator includes a stator support, a stator iron core arranged around an outer peripheral wall of the stator support and a blade side tooth pressing plate arranged on an axial end face at a blade side of the stator iron core. At least one first air hole is provided in the outer peripheral wall of the stator support, and at least one second air hole is provided in the blade side tooth pressing plate, and further includes at least one air flow passage via which the first air hole and the second air hole are in communication with each other, and the air flow passage passes through the interior of the stator iron core. The stator can introduce air flow inside the stator support to an axial end face of the stator iron core.

Abstract: A motor slot wedge having a sealing structure is provided. An outer wall of the slot wedge is provided with a groove, and a thermal expansion material is provided in the groove, and the thermal expansion material, after expanding with heat, is in contact with an inner wall of an iron core tooth slot. A combination structure of a motor slot wedge having a sealing structure and a motor iron core is further provided, and includes the motor iron core having an iron core tooth slot and the motor slot wedge. A sealing structure is formed between the slot wedge and the inner wall of the slot of the iron core, thereby preventing the moisture from entering the inside of the slot of the iron core and damaging the insulation structure accordingly, and preventing varnish loss after varnish vacuum pressure impregnation.

Abstract: A heating device for an annular component is provided. The heating device is configured to heat the annular component via hot gas flow, and includes a gas flow heater, a draught fan, and an annular cavity for accommodating the annular component. An outer wall of the annular cavity is provided with a gas flow inlet and a gas flow outlet, the gas flow heater heats a gas flow, and the draught fan enables the gas flow to enter into the gas flow inlet, pass through a gas flow passage in the annular cavity, and be discharged via the gas flow outlet.

Abstract: A lightning protection device includes a lightning arrester arranged on a nonmetallic blade and configured to receive a lightning current, and a blade down lead electrically connected to the lightning arrester. The lighting protection device further includes: a first lightning current conducting component, electrically connected to the blade down lead and connected to an outer surface of a generator rotor in an insulation manner; a second lightning current conducting component, connected to the outer surface of the generator rotor and an insulated nacelle cover in insulation manner, and electrically connected to the first lightning current conducting component via a metal conductor; and a lightning protection down lead, configured to electrically connect the second lightning current conducting component and a grounding component arranged inside a tower, to discharge the lightning current to ground through the tower.