Abstract: Some embodiments of the present disclosure provide a detection device. The detection device may include: a cup used to accommodate a substance, a sidewall of the cup including a curved portion and a flat portion. Two sides of the curved portion may be connected with two sides of the flat portion, respectively. The detection device may further include a test component disposed with a plurality of test strips; the test component being disposed within the cup. The detection device may further include a mounting structure. The test component may be disposed on the flat portion through the mounting structure.

Abstract: An optical path switching method is applied to a surveillance module. The method includes: determining a target magnification; and (i) when the target magnification is less than or equal to a maximum magnification of a camera, setting a magnification of the camera to the target magnification, determining that a reflection element is at a first location or in a first working state, and performing image capture by using the camera alone; or (ii) when the target magnification is greater than a maximum magnification of the camera, setting a magnification of the camera to a first magnification, determining that the reflection element is at a second location or in a second working state, and performing image capture by using both the camera and a teleconverter, where a product of the first magnification and a magnification of the teleconverter is the target magnification. The method increases a surveillance distance while reducing costs.

Abstract: A jet-propelled water-entry composite buffer device for multi-channel gas recycling includes a head fairing, an underwater vehicle, a buffer, a cavitator and a side fairing. The side fairing is internally provided with a fairing body and a sealing choke plate, and a high-pressure gas cavity, a transition cavity and a sub-high-pressure gas cavity are formed by the fairing body and the sealing choke plate from front to back; a quota air pressure valve is disposed on the sealing choke plate; the fairing body is provided with pressure reducing holes; the high-pressure gas cavity, the transition cavity and the sub-high-pressure gas cavity form an gas cushion buffer. Gas acceleration holes communicated with the high-pressure gas cavity are further provided in the outer wall of the side fairing, so that a supercavity can be more favorably formed after the underwater vehicle enters water.

Abstract: A cutting tool includes: a drive device for driving a saw blade to rotate; a base plate having an upper surface and a lower surface, wherein the lower surface is configured to abut against a cut material; a body accommodating at least part of the drive device and connected to the upper surface; a handle at least partially configured behind the body; and a junction portion for detachably mounting a battery set. When a cutting depth of the cutting tool is changed and a cutting angle of the cutting tool remains unchanged, a position of the handle relative to the base plate remains unchanged. The cutting tool is comfortable and convenient to use.

Abstract: A table cutting device includes a workbench assembly for holding a workpiece, a cutting assembly for performing a cutting operation on the workpiece movable relative to the workbench assembly and including a cutting member rotatable about a first axis, a motor disposed on a side of the workbench assembly for driving the cutting assembly to move and rotatable about a second axis, and a circuit board. The table cutting device further includes a mounting housing in which the circuit board and the motor are disposed. The table cutting device has high heat dissipation efficiency, a reasonable layout, and a stable structure.

Abstract: A table cutting device includes: a workbench on which a workpiece is capable of being placed; a cutting assembly capable of performing a cutting operation on the workpiece; a drive assembly including a motor and driving the cutting assembly to move; and a power supply connection assembly for connecting a battery pack. The battery pack supplies an energy source to the table cutting device. The table cutting device further includes a display assembly capable of displaying an electric quantity of the battery pack. When the battery pack is mounted to the table cutting device, the distance between the display assembly and the battery pack is greater than or equal to 5 mm. The table cutting device has the additional display assembly so that an operator can observe electric quantity information of the battery pack when operating the table cutting device, thereby greatly improving operation convenience.

Abstract: The present disclosure provides a transmission assembly and a garden tool. The transmission assembly is configured to connect a drive assembly and a garden work assembly. The transmission assembly comprises a casing and a first transmission component and a second transmission component accommodated in the casing; the first transmission component and the second transmission component are engaged with each other; the first transmission component comprises a first gear and a second gear engaged with each other; a gear shaft of the first gear is disposed at an angle with respect to a gear shaft of the second gear; and the second transmission component comprises a third gear able to rotate coaxially with the second gear and a fourth gear engaged with the third gear.

Abstract: A table tool includes a table, a saw blade, a motor, a controller, a sensing device and a first switch. The table has a work plane on which a workpiece is placed. The saw blade acts on the workpiece. The motor drives the saw blade to rotate. The controller is used for controlling rotation of the motor. The sensing device is electrically connected to the controller and used for sensing a state of the workpiece and outputting a first signal to the controller. The first switch is used for a user to select a working mode from at least two working modes of the table tool. When the table tool is in a first working mode, the controller is configured to adjust a rotational speed of the motor to be a first rotational speed based on an acquired first signal or a working parameter of the motor.

Abstract: A method and system for evaluating test data, a wafer test system, and a storage medium are provided. The method for evaluating test data includes: obtaining test data of a plurality of test programs, each test program including a plurality of test items; for each test program, calculating a correlation coefficient of each test item according to the test data; drawing a difference analysis graph for every two test programs in the plurality of test programs according to the correlation coefficient between each of the test items in different test programs, where a horizontal axis and a longitudinal axis of the difference analysis graph respectively correspond to one test program; and evaluating a difference of each test item in two different test programs according to the difference analysis graph.

Abstract: The present disclosure provides a detection method and a detection device of a wafer testing machine, the detection method includes: storing an original test data tested by multiple wafer testing machines into a database; sifting out target test data from the original test data according to preset sifting conditions; performing statistics on the target test data sifted; and dividing the multiple wafer testing machines into comparison machines and machines to-be-detected; comparing whether there is significant difference between a target test data of each of the machine to-be-detected and a target test data of the comparison machine, in a corresponding test item within a first predetermined number of days; and performing statistics on number of days when each of the machines to-be-detected has significant difference; marking each of the machines to-be-detected, according to a statistical number of days when each machine to-be-detected has a significant difference.

Abstract: A method for detecting abnormity of a machine slot includes the following operations. A first failure rate is obtained. A second failure rate is obtained. A slot, of which the second failure rate is greater than or equal to the abnormity value, is marked as a target slot, and A slot, of which the second failure rate is smaller than the abnormity value, is marked as a control slot. An significance level of a difference between a failure rate of the target slot and a failure rate of the control slot in each day of the second time period is checked.

Abstract: The present disclosure provides a transmission assembly and a garden tool. The transmission assembly is configured to connect a drive assembly and a garden work assembly. The transmission assembly comprises a casing and a first transmission component and a second transmission component accommodated in the casing; the first transmission component and the second transmission component are engaged with each other; the first transmission component comprises a first gear and a second gear engaged with each other; a gear shaft of the first gear is disposed at an angle with respect to a gear shaft of the second gear; and the second transmission component comprises a third gear able to rotate coaxially with the second gear and a fourth gear engaged with the third gear.

Abstract: An electric circular saw includes a motor, a transmission assembly, a housing assembly, a base plate, and a fan shield. The housing assembly includes a gearbox. The base plate includes a base plate plane surface. The fan shield includes a flow guide part and a fitting part. The fitting part is connected to the gearbox. The transmission assembly includes a worm and a worm gear. A tip diameter of the worm is greater than or equal to 20 mm and less than or equal to 30 mm and a tip diameter of the worm gear is greater than or equal to 20 mm and less than or equal to 35 mm. When the electric circular saw has a maximum cutting depth, a vertical distance between a center of the worm gear and the base plate plane surface is less than or equal to 25.5 mm.

Abstract: A cutting device includes a housing formed with a handle portion and an accommodation portion, a cutting portion connected to the housing and at least partially disposed in the accommodation portion, a motor disposed in the accommodation portion and extending in a first linear direction, and a bottom plate extending in a plane of the bottom plate and formed with an opening through which at least part of the cutting portion passes. The cutting device further includes a worm gear and worm structure disposed in the accommodation portion. The cutting portion includes a chain and a guide plate connected to the housing and used for supporting the chain. The motor includes an output shaft, the cutting portion is connected to a driving shaft, the output shaft transmits power to the driving shaft through a worm gear and a worm, and the driving shaft is capable of driving the chain.

Abstract: A cutting device includes a housing formed with a handle portion and an accommodation portion, a cutting portion connected to the housing and at least partially disposed in the accommodation portion, a motor disposed in the accommodation portion and extending in a first linear direction, and a bottom plate extending in a plane of the bottom plate and formed with an opening through which at least part of the cutting portion passes. The cutting device further includes a worm gear and worm structure disposed in the accommodation portion. The cutting portion includes a chain and a guide plate connected to the housing and used for supporting the chain. The motor includes an output shaft, the cutting portion is connected to a driving shaft, the output shaft transmits power to the driving shaft through a worm gear and a worm, and the driving shaft is capable of driving the chain.

Abstract: A folding structure for a foldable container having a base platform, bottom side rails disposed at both sides of the base platform, and corner posts disposed at both sides of the bottom rails. The corner posts are pivotally attached to the bottom side rails via pins and the sides of the corner posts are provided with corner post locking devices which can hold the corner posts in an upright position or a folded down position. The corner post locking device includes inner locking apertures arranged on both sides of the ends of the bottom side rails. Outer locking apertures are arranged on both sides of the lower ends of the corner posts which correspond to the inner locking apertures when the corner posts are in the upright position. Threaded taper pins are further provided which engage with the inner and outer locking apertures correspondingly.

Abstract: The present invention discloses a folding structure for a foldable container consisting of a base platform, bottom side rails disposed at both sides of the base platform, and corner posts disposed at the ends of the bottom side rails; the corner posts are pivotally attached to the bottom side rails via pins, the sides of the corner posts are provided with corner post locking devices which can hold the corner posts in an upright position or a folded down position; the corner post locking device includes inner locking apertures arranged on both sides of the ends of the bottom side rails; outer locking apertures arranged on both sides of the lower ends of the corner posts which correspond to the inner locking apertures when the corner posts are in the upright position; and threaded taper pins are further provided which engage with the inner and outer locking apertures correspondingly.