Abstract: The present application discloses an ultra-micro defect detection apparatus and a detection method thereof. The apparatus includes an imaging module, a light source module, a filtering module, and a mounting platform; the imaging module further includes a camera, an imaging lens, and an objective lens; the camera, the imaging lens, and the objective lens are sequentially and vertically arranged from top to bottom; the light source module further includes a collimator, a light source generator, and a beam splitting mirror; the light source generator is connected to the beam splitting mirror, and the collimator is mounted between the light source generator and the beam splitting mirror; the filtering module further includes a spatial filter, and the spatial filter is mounted between the imaging lens and the objective lens.

Abstract: A voltage-adaptive laser driving circuit and a control method thereof. The circuit includes: a switching power supply, a laser, a constant current driving circuit, a current setting circuit, an MCU control circuit, a voltage acquisition circuit and a voltage setting circuit; the switching power supply is connected to the laser and the voltage setting circuit respectively and used for providing electrical energy for the laser and the voltage setting circuit; and the laser is connected to the switching power supply and the constant current driving circuit respectively and used for generating laser light.

Abstract: The present application discloses an ultra-micro defect detection apparatus and a detection method thereof. The apparatus includes an imaging module, a light source module, a filtering module, and a mounting platform; the imaging module further includes a camera, an imaging lens, and an objective lens; the camera, the imaging lens, and the objective lens are sequentially and vertically arranged from top to bottom; the light source module further includes a collimator, a light source generator, and a beam splitting mirror; the light source generator is connected to the beam splitting mirror, and the collimator is mounted between the light source generator and the beam splitting mirror; the filtering module further includes a spatial filter, and the spatial filter is mounted between the imaging lens and the objective lens.

Abstract: A stroboscopic stepped illumination defect detection system for appearance defect detection of a product is provided. The system includes an image extraction unit, a brightness adjustment unit, a data processing unit, and a stroboscopic control unit. The image extraction unit is connected to the stroboscopic control unit and used for obtaining stable and clear images in various transmission/reflection visual bright fields/dark fields; and the brightness adjustment unit is connected to the stroboscopic control unit and used for setting various transmission/reflection visual bright fields/dark fields and converting in the various transmission/reflection visual bright fields/dark fields.

Abstract: A cleaning robot includes a housing, a dust box and a dust extraction duct. The housing is enclosed to form a mounting chamber and is provided with a dust outlet. The dust box is arranged in the mounting chamber and configured to collect dust, and the dust box is provided with a dust collection port and a dust extraction port. The dust collection port and the dust extraction port are respectively disposed on two sides of a centerline of the dust box. One end of the dust extraction duct communicates with the dust extraction port, and the other end of the dust extraction duct is connected to the dust outlet of the housing.

Abstract: A cleaning device includes a main body, a driving assembly, and a cleaning assembly. The driving assembly includes a driving device, at least one transmission member and a movable bracket. The driving device is arranged on the main body, and has a driving shaft extending toward the bottom of the main body. The movable bracket can be movably connected to the bottom of the main body, and is spaced from the driving shaft. The movement direction of the movable bracket is substantially perpendicular to the extension direction of the driving shaft. The at least one transmission member is connected between the movable bracket and the driving shaft. The driving shaft of the driving device drives the movable bracket to reciprocate back and forth through the at least one transmission member. The cleaning assembly is detachably connected to the movable bracket.

Abstract: The cleaning device includes a main body and at least one drive wheel. The at least one drive wheel is arranged on the main body. The main body can walk on the surface to be cleaned by means of the at least one drive wheel. The cleaning device further includes a driving mechanism, a movable bracket, and a cleaning assembly. The driving mechanism is arranged on the main body, the movable bracket is movably connected to the bottom of the main body, and is connected to the driving mechanism. The movable bracket reciprocates along the direction parallel to the surface to be cleaned under the driving action of the driving mechanism. The cleaning assembly is detachably connected to the movable bracket.

Abstract: A cleaning device includes a main body, a driving assembly, and a cleaning assembly. The driving assembly includes a driving device, at least one transmission member and a movable bracket. The driving device is arranged on the main body, and has a driving shaft extending toward the bottom of the main body. The movable bracket can be movably connected to the bottom of the main body, and is spaced from the driving shaft. The movement direction of the movable bracket is substantially perpendicular to the extension direction of the driving shaft. The at least one transmission member is connected between the movable bracket and the driving shaft. The driving shaft of the driving device drives the movable bracket to reciprocate back and forth through the at least one transmission member. The cleaning assembly is detachably connected to the movable bracket.

Abstract: The cleaning device includes a main body and at least one drive wheel. The at least one drive wheel is arranged on the main body. The main body can walk on the surface to be cleaned by means of the at least one drive wheel. The cleaning device further includes a driving mechanism, a movable bracket, and a cleaning assembly. The driving mechanism is arranged on the main body, the movable bracket is movably connected to the bottom of the main body, and is connected to the driving mechanism. The movable bracket reciprocates along the direction parallel to the surface to be cleaned under the driving action of the driving mechanism. The cleaning assembly is detachably connected to the movable bracket.

Abstract: Disclosed herein are synthetic particles that are shaped like red blood cells. The particles include pectin and oligochitosan and optionally a bioactive agent. In addition, methods of making the synthetic particles via electrospray techniques are provided.

Abstract: The present disclosure discloses an electric vehicle battery replacement system comprising a vehicle-mounted battery driving device and a battery conveying device outside of the vehicle. The vehicle-mounted battery driving device comprises a drive roller configured to carry a battery and connected with a drive motor. The battery conveying device outside of the vehicle comprises three conveying belts each connected to one of three conveying motors, respectively. The drive roller, a first conveying belt, and a second conveying belt are arranged successively on a same horizontal plane along a direction of conveying. The third conveying belt is located above the second conveying belt and connected with the first conveying belt via a sliding plate. One end of the sliding plate connects flexibly to a front end of the third conveying belt, and the other end of the sliding plate is placed on the first conveying belt.

Abstract: In accordance with certain embodiments of the present disclosure, a method for formation of a microcapsule is described. The method includes encapsulating a cell in a microcapsule, the microcapsule having a diameter of less than about 100 ?m. The method further includes coating the microcapsule with chitosan and alginate.