Abstract: An ice crushing device includes an ice storage container and an ice knife assembly arranged in the ice storage container. The ice knife assembly includes a rotary shaft, a fixed ice knife, a movable ice knife and an ice cube separator, the rotary shaft is capable of driving the movable ice knife to rotate, the fixed ice knife and the ice cube separator are located at two sides of the rotary shaft separately, and the fixed ice knife and the ice cube separator are both fixed relative to the ice storage container.

Abstract: The invention provides an aluminum alloy hub positioning fixture. The aluminum alloy hub positioning fixture adopts an upper trapezoidal metal taper sleeve and a lower trapezoidal metal taper sleeve, the lower trapezoidal metal taper sleeve is in contact with the central hole of a hub, and the upper trapezoidal metal taper sleeve is in contact with the cap section of the hub; the lower trapezoidal metal taper sleeve is mounted on a hollow shaft, and a metal pipe is arranged in the middle of the hollow shaft. During working, the hub is positioned and mounted on the lower trapezoidal metal taper sleeve via the central hole, the upper trapezoidal metal taper sleeve is in vertical contact with the cap section of the hub under the action of a cylinder.

Abstract: A device for removing a valve hole sealing substitute from a hub includes an industrial camera, a removal manipulator, a rotary encoder, a rotary spindle, a processor, a frame and a console, wherein the console is installed on the frame, the console is connected to a production line by a roller bed, a color identification camera and the industrial camera are respectively installed on the frame and aligned with the console, the rotary spindle is installed below the console and configured to drive the hub above the console to rotate, and the removal manipulator is arranged above the console. The device and method solve the problem of relying on personnel to remove the valve hole sealing substitute, improve the labor productivity, and improve the automation of the hub production process.

Abstract: A device for removing a valve hole sealing substitute from a hub includes an industrial camera, a removal manipulator, a rotary encoder, a rotary spindle, a processor, a frame and a console, wherein the console is installed on the frame, the console is connected to a production line by a roller bed, a color identification camera and the industrial camera are respectively installed on the frame and aligned with the console, the rotary spindle is installed below the console and configured to drive the hub above the console to rotate, and the removal manipulator is arranged above the console. The device and method solve the problem of relying on personnel to remove the valve hole sealing substitute, improve the labor productivity, and improve the automation of the hub production process.

Abstract: The present invention provides a wind measurement apparatus based on 3D (three dimensional) non-orthogonal ultrasonic sensor array, the ultrasonic sensor array is composed of two group of ultrasonic sensors, which are centrosymmetrically located at opposite sides, and the angle formed by connecting any two ultrasonic sensors at a side to the symmetry point O is less than 90°, the arrangement of 3D non-orthogonal ultrasonic sensor array reduces the generation of turbulence, thus, the accurate wind speed and wind direction is obtained. In the mean time, the central channel is employed to obtain a reference wind speed vref. Comparing the speed component vcentral along central channel of the wind under measurement with the reference wind speed vref, if the difference is less than a present threshold, then computing module outputs the measurement results, or discards them, thus the wind measurement accuracy is further improved.

Abstract: An automatic hub type identifying device and a method for identifying a hub type using the device are provided. The device includes a feed roller bed, an electronic belt scale, a transfer roller bed, an identification device, a discharge roller bed and a processor, in which the feed roller bed is configured to convey a hub to the electronic belt scale; the electronic belt scale is in data connection with the processor, and is configured to weigh the hub conveyed by the feed roller bed and transmit the weighing result to the processor; the transfer roller bed is configured to transfer the hub from the electronic belt scale to the identification device; and the identification device includes servo drive devices and micro contact displacement detecting devices connected to the servo drive devices.

Abstract: A double-tilt in-situ nanoindentation platform for TEM (transmission electron microscope) belongs to the field of in-situ characterization of the mechanical property-microstructure relationship of materials at the nano- and atomic scale. The platform is consisted of adhesive area, support beams, bearing beams, sample loading stage and mini indenter. The overall structure of the platform is prepared by semiconductor microfabrication technology. The in-situ nanoindentation experiment can be driven by bimetallic strip, V-shaped electro-thermal beam, piezoelectric ceramics, electrostatic comb or shape memory alloys et. al. The sample is obtained by focused ion beam cutting. The integrated platform can be placed in the narrow space on the front end of the TEM sample holder, giving rise to the condition of double-axis tilt. The driving device drives the mini indenter to carry out in-situ nanoindentation, in-situ compression and in-situ bending and the like of the materials in TEM.

Abstract: Voltage regulator systems include, in part, a regulator comprising an input terminal and an output terminal, wherein the regulator is configured to receive an input voltage from an adapter at the input terminal and provide an output voltage at the output terminal, wherein the regulator comprises at least one switched capacitor regulator operating in a first conversion mode corresponding to a first conversion factor. The voltage regulator systems also include a controller configured to control an operation of the regulator, wherein the controller is configured to determine when a conversion ratio of the regulator is greater than the first conversion factor, and, in response, to send a request to the adapter to decrease the input voltage.

Abstract: Circuits comprising: a first capacitor(C1); a first switch(S1) having a first side coupled to a VIN and a second side coupled to a first side of C1; a second switch(S2) having a first side coupled to the second side of S1; a third switch(S3) having a first side coupled to a second side of S2 and a second side coupled to a second side of C1; a fourth switch(S4) having a first side coupled to a second side of S3 and a second side coupled to a VSUPPLY, wherein: in a first state, S1 and S3 are off, and S2 and S4 are on; in a second state, S1 and S3 are on, and S2 and S4 are off; and at least one of a control of S1, a control of S2, a control of S3, and a control of S4 is coupled to a time-varying-slew-rate signal.

Abstract: The invention provides an automatic constant pressure device for a hub tire system. The device comprises a valve nozzle, air pipes, valves, a pneumatic slip ring, a hub, a pressure relief valve, a tire, a main shaft, an air storage tank, a vehicle-mounted air source and the like. Two valve holes are machined in the hub of the device. The valve nozzle with a tire pressure sensor is installed at one valve hole, and the pressure relief valve is installed at the other valve hole. The tire pressure is detected by the tire pressure sensor. The valve is controlled to inflate through the valve nozzle, and the pressure relief valve is controlled to relieve the pressure. The device has the characteristics of scientific detection principle, simple and reasonable structure and the like.

Abstract: Circuits for a voltage regulator are provided, comprising: an inductor having a first side coupled to an input voltage; a first flying capacitor; a second flying capacitor; and a plurality of switches, wherein: in a first state, the plurality of switches couple: a second side of the inductor to a second side of the first flying capacitor and an output node; a first side of the first flying capacitor to a first side of the second flying capacitor; and a second side of the second flying capacitor to a voltage supply, in a second state, the plurality of switches couple: the second side of the inductor to the first side of the second flying capacitor; the second side of the second flying capacitor to the output node and the first side of the first flying capacitor; and the second side of the first flying capacitor to the voltage supply.

Abstract: An inductor; a first switch having a first side connected to a first voltage source (VS1); a second switch having a first side connected to a second side of the first switch (2SS1), and a second side connected to a first side of the inductor (1SI); a third switch having a first side connected to the 1SI; a fourth switch having a first side connected to a second side of the third switch (2SS3), and a second side connected to a second voltage source (VS2); a fifth switch having a first side connected to the 1SI, and a second side connected to the VS1 and/or the VS2; a first capacitor having a first side connected to the 2SS1, and a second side connected to the 2SS3; and a second capacitor having a first side connected to a second side of the inductor, and a second side connected to the VS2.

Abstract: An inductor; a first switch having a first side connected to a first voltage source (VS1); a second switch having a first side connected to a second side of the first switch (2SS1), and a second side connected to a first side of the inductor (1SI); a third switch having a first side connected to the 1SI; a fourth switch having a first side connected to a second side of the third switch (2SS3), and a second side connected to a second voltage source (VS2); a fifth switch having a first side connected to the 1SI, and a second side connected to the VS1 and/or the VS2; a first capacitor having a first side connected to the 2SS1, and a second side connected to the 2SS3; and a second capacitor having a first side connected to a second side of the inductor, and a second side connected to the VS2.

Abstract: A data migration method for a storage system after expansion and a storage system are provided. After an ith expansion is performed on the storage system, data migration is performed by using an auxiliary balanced incomplete block design. Because a quantity of tuples including any element in the auxiliary balanced incomplete block design is identical, and each migration unit includes an identical quantity of parity chunks, a data migration amount after the expansion is minimized. In this way, time required for data migration after the expansion is significantly reduced, and a delay in a response to a user request that is caused because a data migration operation needs to be performed after the expansion is also reduced.

Abstract: A rotatory energy recycling control device for a hydraulic excavator, comprising: an oil line selector valve (1), a direction selector valve (2), a sequencing valve (3), a one-way valve (4) and an overflow valve (5); two oil inlets of the oil line selector valve (1) are respectively connected to an opening A and an opening B of a rotary motor; an oil outlet of the oil line selector valve (1) is connected to an inlet of the direction selector valve (2); an outlet of the direction selector valve (2) is connected to an net of the sequencing valve (3); a drainage port of the sequencing valve (3) is connected to an oil tank; an outlet of the sequencing valve (3) and an net of the one-way valve (4) communicate with the overflow valve (5): the outlet of the one-way valve (4) is connected to an energy storage and utilization device; and an outlet of the overflow valve (5) is connected to the oil tank.

Abstract: A voltage regulator system, comprising: a switched capacitor (SC) regulator that operates at a switching frequency and receives an input voltage; and a controller configured to control an operation of the SC regulator by adjusting the switching frequency of the SC regulator based on efficiency. In some embodiments, the switching frequency is swept to determine a best efficiency. In some embodiments, the switching frequency is swept at each of a plurality of values for the input voltage. In some embodiments, the system includes further one or more switches in series with the SC regulator. In some embodiments, the SC regulator includes an output terminal that is coupled to a battery.

Abstract: The present invention provides a device for measuring air tightness of an aluminum alloy hub or a tire and a method for measuring the air tightness of the aluminum alloy hub or the tire by using the device. The device includes a pressure measurement device mounted into a hub or tire to be measured, an inflation device in gas connection with an inside of a tire of a wheel to be measured, and a data acquiring and processing device; wherein the inflation device includes a flow measurement component.

Abstract: The invention provides an aluminum alloy hub positioning fixture. The aluminum alloy hub positioning fixture adopts an upper trapezoidal metal taper sleeve and a lower trapezoidal metal taper sleeve, the lower trapezoidal metal taper sleeve is in contact with the central hole of a hub, and the upper trapezoidal metal taper sleeve is in contact with the cap section of the hub; the lower trapezoidal metal taper sleeve is mounted on a hollow shaft, and a metal pipe is arranged in the middle of the hollow shaft. During working, the hub is positioned and mounted on the lower trapezoidal metal taper sleeve via the central hole, the upper trapezoidal metal taper sleeve is in vertical contact with the cap section of the hub under the action of a cylinder.

Abstract: A double-tilt in-situ mechanical sample holder for TEM based on piezoelectric ceramic drive belongs to the field of material microstructure-mechanical properties in-situ characterization, and it comprise two parts of sample holder shaft body and piezoelectric ceramic drive system. The sample holder shaft body comprise tilt stage, sample holder, linear stepping motor, drive rod, drive linkage. The piezoelectric ceramic drive system comprise piezoelectric ceramic loading stage, piezoelectric ceramic, connecting base and the sample loading stage realizing stretch or compression function. The double-axis tilt of the samples in X and Y axis directions is realized by the reciprocating motion back and forth of the drive rod driven by the linear stepping motor. The stretch or compression of the samples is realized by applying voltage on the piezoelectric ceramic to generate displacement and push the sample loading stage by the connecting base.

Abstract: A double-tilt sample holder for TEM, comprising: it comprise the main body of sample holder body, front-end tilt stage, drive rod, linkage, tilt axis, rotation axis, fixed axis of drive rod and sample loading stage. The axis hole is arranged at the front-end tilt stage, which is connected to the main body of the sample holder body by the tilt axis. The linkage, the boss slot and the drive rod slot are connected by the rotation axis. Two through movement guide grooves are designed symmetrically at both sides of the front-end of sample holder body, and the drive rod is fixed by the fixed axis of the drive rod, which restricts the drive rod to move reciprocally in a straight line driven by the linear stepping motor at the back-end of the main body of the holder body, further leading the tilt stage to rotate around the tilt axis. The tilt angle of the sample loading stage can be precisely controlled by the high precision linear stepping motor in the apparatus.