Abstract: A device for supplying and recovering a minimal quantity lubricant in a magnetic field-assisted abrasive grinding, including a grinding wheel guard assembly, including a grinding wheel guard, grinding wheel, and wind deflector; a magnetic worktable mounted on the guard, and a magnetic clamp on the worktable; a controllable magnetic field assembly, including a permanent magnet and a first guide rail mechanism mounted on the deflector, the magnet being connected to the mechanism and to a recovering and filtering device; a controllable nozzle assembly, connected to the deflector on an opposite side of the magnetic field assembly, including a nozzle connected to a linear motion mechanism; and a controlling and monitoring assembly, including a vision camera on the worktable, connected to a system control box. The magnetic nanofluid can exert the optimal lubricating properties and cooling performance under the magnetic field-assisted abrasive grinding, and the magnetic nanoparticles can be further recycled.

Abstract: A battery and an electronic device are provided. The battery includes a case having an opening, a battery core disposed in the case, and a cover covering the opening of the case. The cover includes a cover body provided with a first hole and a high temperature resistant sheet disposed on a top of the cover body and covering the first hole.

Abstract: A process equipment system of hydraulic oil circuit blocks and an automated production line thereof, which relates to the field of mechanical processing technology. In view of the problem of low production efficiency in the positioning and processing of hydraulic oil circuit blocks, based on the six-point positioning principle, the workpiece is achieved the six-point positioning by the support components, positioning devices, and clamping devices on the upper layer of the base. The clamping device is capable to move along the chain, so as to adjust and change the clamping position, and can achieve processing five surfaces through one-time clamping of oil circuit blocks, improving positioning accuracy and processing efficiency, meeting the needs of automated production.

Abstract: A cell assembly, a battery module, and a battery pack are provided. The cell assembly includes a cell including a cell body, where a first end surface of the cell body is arranged with an electrode post protruding outward, and an insulating ring is arranged between the first end surface and the electrode post; and a sealed insulating unit including a sealed insulating cover sealingly connected between the first end surface and the electrode post and covering the insulating ring.

Abstract: The present disclosure provides an electrostatic nozzle and a controllable jet minimal quantity lubrication (MQL) grinding system. The electrostatic nozzle comprises a nozzle core; an upper nozzle body is connected above the nozzle core; a free space is formed between the upper nozzle body and the nozzle core for storing compressed air and reducing pressure; a lower nozzle body is connected below the nozzle core; a gas-liquid mixing chamber, an acceleration chamber and a nozzle outlet are sequentially arranged inside the nozzle core from top to bottom; and micro-bulges are uniformly distributed on an inner wall of the acceleration chamber.

Abstract: A battery pack including multiple cells, a housing, and a support structure is provided. Each cell has a cell explosion-proof valve, and the surface where the cell explosion-proof valve of each cell is located is defined as a first cell end surface. The cells are all disposed in the housing. The support structure is at least partially disposed between an inner surface of the housing and the cells to define an exhaust channel between the support structure and the inner surface of the housing. The cells are disposed on the support structure, and the first cell end surface faces the support structure. The support structure is provided with an exhaust vent corresponding to the cell explosion-proof valves, and the exhaust vent is communicated with the exhaust channel. A sidewall of the support structure near the first cell end surface is provided with an adhesive storage groove.

Abstract: The present disclosure relates to a deep purification device and method for methanol-to-olefin washing water. Provided is a deep purification device for methanol-to-olefin washing water, comprising: a quench tower (1-1), a water washing tower (1-2) connected to an outlet at the top of the quench tower (1-1), a boiling bed separator (1-3) having the top thereof connected to the bottom of the water washing tower (1-2), a fiber coalescer (1-4) connected to the bottom of the boiling bed separator (1-3), and a buffer settling tank (1-5) connected to the sidewall of the boiling bed separator (1-3) at a position near the top. Further provided is a deep purification method for methanol-to-olefin washing water.

Abstract: Provided is a turning apparatus with MQL based on magnetic circulation and ultrasound-assisted infiltration, comprising a turning tool fixed with 2D ultrasonic auxiliary device; a magnetic circulation nozzle and magnetic circulation recycling nozzle arranged on both sides of turning tool; lubricant channels respectively provided inside magnetic circulation nozzle and magnetic circulation recycling nozzle; magnets arranged on peripheries of lubricant channels; polarities of ends of magnets on the two nozzles facing to turning tool are opposite; lubricant channel of magnetic circulation nozzle is connected to one end of first flexible pipe, and another end is connected to lubricant canister after passing through peristaltic pump; one end of second flexible pipe is connected to the peristaltic pump, and another end is connected to a filtering mechanism; one end of third flexible pipe is connected to the magnetic circulation recycling nozzle, and another end is connected to liquid inlet of filtering mechanism.

Abstract: Disclosed is a battery pack, including: multiple cells; a casing, wherein the inner bottom surface of the casing has a stepped surface for dividing the inner bottom surface of the casing into at least two placement areas having a height difference in the height direction of the casing, and the cells are placed in each of the placement areas. With stepped surfaces disposed on the inner bottom surface of the casing, the battery pack provided by the present disclosure may form at least two placement areas with height differences within the casing, making it possible to provide a force to the adhesive located in the placement area with a higher height, helping the adhesive flow toward the placement area with lower height. This helps improve the fluidity of the adhesive within the casing, and making it easier for the adhesive to fully fill various areas of the casing.

Abstract: Provided is a turning apparatus with MQL based on magnetic circulation and ultrasound-assisted infiltration, comprising a turning tool fixed with 2D ultrasonic auxiliary device; a magnetic circulation nozzle and magnetic circulation recycling nozzle arranged on both sides of turning tool; lubricant channels respectively provided inside magnetic circulation nozzle and magnetic circulation recycling nozzle; magnets arranged on peripheries of lubricant channels; polarities of ends of magnets on the two nozzles facing to turning tool are opposite; lubricant channel of magnetic circulation nozzle is connected to one end of first flexible pipe, and another end is connected to lubricant canister after passing through peristaltic pump; one end of second flexible pipe is connected to the peristaltic pump, and another end is connected to a filtering mechanism; one end of third flexible pipe is connected to the magnetic circulation recycling nozzle, and another end is connected to liquid inlet of filtering mechanism.

Abstract: Disclosed is a battery pack, including: a casing, the casing having an exhaust channel; multiple cells, the multiple cells being all disposed in the casing, and the gas discharged from the cell being adaptable to be discharged out of the casing through the exhaust channel; an intercepting structure, disposed in the exhaust channel, the intercepting structure having an intercepting surface, the intercepting surface being configured to intercept particles mixed in the gas discharged from the cell. By setting an intercepting structure in the exhaust channel of the casing, the battery pack provided by the present disclosure may intercept the particles in the gas sprayed from the cell when the cell experiences thermal runaway, thereby preventing the particles from continuing to flow with the gas in the casing, preventing the particles from causing adverse effects on the devices in the battery pack and blocking the casing explosion-proof valve.

Abstract: A bionic microtexture micro grinding head includes a micro grinding head base, the micro grinding head base includes a connecting member, the connecting member is connected to a grinding head, grain groups or grains are sequentially disposed on a surface of the grinding head, the grain groups are arranged according to a bionic pinion microstructure or a bionic scale structure, and the grains are arranged according to a bionic phyllotaxis microstructure. When the grain groups are arranged according to the bionic pinion microstructure or the bionic scale structure, each grain group includes grains; or, when the grain groups are arranged according to the bionic pinion microstructure or arranged according to the bionic scale structure, a groove is provided between two adjacent grain groups.

Abstract: A display driver is provided. The display driver includes an OPR generating module, a brightness limiting module and a driving module. The OPR generating module is configured to generate a reference OPR corresponding to an image; the brightness limiting module is configured to acquire a plurality of brightness ranges and an initial brightness value corresponding to the image, one brightness range corresponding to one OPR range; the brightness limiting module is further configured to acquire a reduced brightness value corresponding to the reference OPR by performing interpolation at the reference OPR based on the initial brightness value, the plurality of brightness ranges and OPR ranges corresponding to the plurality of brightness ranges, the reduced brightness value being smaller than the initial brightness value; and the driving module is configured to drive the display panel to display the image based on the reference OPR and the reduced brightness value.

Abstract: A display driver is provided. The display driver includes an OPR generating module, a brightness limiting module and a driving module. The OPR generating module is configured to generate a reference OPR corresponding to an image; the brightness limiting module is configured to acquire a plurality of brightness ranges and an initial brightness value corresponding to the image, one brightness range corresponding to one OPR range; the brightness limiting module is further configured to acquire a reduced brightness value corresponding to the reference OPR by performing interpolation at the reference OPR based on the initial brightness value, the plurality of brightness ranges and OPR ranges corresponding to the plurality of brightness ranges, the reduced brightness value being smaller than the initial brightness value; and the driving module is configured to drive the display panel to display the image based on the reference OPR and the reduced brightness value.

Abstract: In a case when a camera is disposed under a display panel, a bounded part between a camera area and a surrounding area may have a brightness difference due to a difference in pixel disposition density. The present disclosure allows minimizing such a boundary effect by compensating for greyscale values of pixels in the bounded part.

Abstract: Disclosed are a fluidized bed separation method and device for methanol-to-olefins quenched water. The method may subject quenched water to liquid-solid separation via a micro-cyclone separator. The method may also subject clear liquid from the micro-cyclone separator to a secondary separation via a fluidized bed separator, then sending the same to an olefin separation device, then recovering some waste heat of the quenched water, and then returning the same to a quenching tower after performing heat exchange. The method may also regenerate a separation medium by reversely feeding stripping tower purified water or quenched water, so as to release catalyst particles absorbed by the separation medium. The method may also send a catalyst slurry concentrated by the micro-cyclone separator and the fluidized bed separator to a filter-press unit for filter-press dehydration, so as to recover a catalyst.

Abstract: In example implementations, a door monitoring sensor is provided. The door monitoring sensor includes a communication interface to transmit an alarm when a door operates outside of operational parameters of the door, an angular sensor to measure rotational movement of the a door, a movement sensor to detect movement along an x-y-z coordinate plane, a radar sensor to detect an object, a rechargeable power supply to provide power to the angular sensor, the movement sensor, and the radar sensor, and a processor. The processor is communicatively coupled to the communication interface, the angular sensor, the movement sensor, and the radar sensor. The processor is to determine that the door is moving outside of the operational parameters of the door and generate the alarm that is transmitted by the communication interface in response to determination that the door is moving outside of the operational parameters of the door.

Abstract: The present disclosure is a battery pack, including a lower housing, a battery cell stack, a first foaming adhesive, and multiple isolation structures; the battery cell stack is disposed in the lower housing, including multiple stacked pouch cells, the bottom side of the battery cell stack is connected and fixed to the baseplate of the lower housing, a first partial area between the tab side of the battery cell stack and the lower housing forms an adhesive filling area, and a second partial area forms an exhaust area; a first foaming adhesive is filled in the adhesive filling area; multiple isolation structures are arranged in the exhaust area along the stacking direction of the pouch cells and in one-to-one correspondence with the multiple pouch cells, the isolation structures are adaptable for melting to form exhaust channels connected to the exhaust portions of the corresponding pouch cells when the corresponding pouch cells exhaust smoke.

Abstract: A battery pack includes a lower housing, a cell stack body, a foaming adhesive, a cover, and a partition structure. The lower housing has an upper opening and an exhaust portion. The cell stack body includes multiple stacked pouch cells, and is disposed in the lower housing, with the bottom side of the cell stack body connected and fixed to the baseplate of the lower housing. The foaming adhesive is filled and connected between the tab side of the cell stack body and the lower housing. The cover is located on the top side of the cell stack body and covers the upper opening of the lower housing. The partition structure is clamped between the cover and the cell stack body, and cooperates with the cover and the cell stack body to define an exhaust channel extending along the stacking direction of the pouch cell.

Abstract: The present invention belongs to the technical field of intelligent welding, provides a welding fixture for box-type parts, an intelligent production line, and a welding method.