47results about How to "Improve versatility" patented technology

Systems and methods are disclosed for sensing forces, moments, temperature, inclination, acceleration and other parameters associated with prosthetic limbs. The system is capable of measuring forces in three designated axes, and moments about the same designated axes, for a total of six possible degrees of freedom. The system can be readily fitted onto a conventional prosthetic limb with no, or relatively minor, modification thereto. A plurality of sensor arrays are disposed on a support member, each array including a plurality of strain gauge sensors, each sensor outputting an electrical signal responsive to loading imposed on the support member through the prosthetic limb. Electronic circuitry in communication with the gauges is operative to receive the electrical signals from the strain gauges and provide a signal useful in the form, fit or function of the prosthetic limb. The strain gauges are configured to generate positive and negative (signed) voltages to determine moments, shear forces and off-center loading. The inclinometers may be used to simulate a goiniometer. An unaffected limb electronics package and data collection module are disclosed to achieve an intelligent prosthetic endo component system.

The invention discloses an adjustable water pan which comprises a container for containing water. The container is composed of side plates and a bottom disc. A pair of hanging lugs is arranged on one side plate and arranged on a rear plate of a refrigerator body through fasteners. The hanging lugs are vertically provided with two or more hanging lug mounting holes, and two or more rear plate holes are vertically formed in the lower portion of the rear plate. Through different combinations of the water pan and the rear plate holes of a refrigerator, the mounting height of the water pan can be adjusted within a certain range, and therefore it is guaranteed that the water pan is close to a compressor, and the optimal condensate water evaporating effect is achieved. Due to the fact that the mounting height of the water pan can be adjusted, the same water pan can be suitable for more types, and the universality of the water pan is increased.

The invention discloses a corner trimming device for steel structure machining. The corner trimming device comprises a box body, an arc-shaped groove and a friction block are arranged at the side endof the box body, a connecting shaft and a driving assembly are arranged in the box body, the box body is connected with a rotating box through a fixing base, a rotating assembly is arranged on the boxbody, a rotating block, a working assembly, a vertical cavity, a vertical block and a displacement assembly are arranged in the rotating box, and a sliding block is connected with a contact block through a spring. The corner trimming device has the beneficial effects that the bevel edge of a circular bead is ground through the friction block rotating in the arc-shaped groove of the box body, theright-angle edge of a steel structure is ground and trimmed through the rotating block rotating in the rotating box, a hydraulic element works, the rotating box at the side end of the box body rotatesthrough the connecting effect of a rotating rod, a fixing block and the fixing base, then the angle of the rotating block is adjusted, and the bevel edges with different angles can be trimmed conveniently.

The invention discloses an automobile aqueous urea solution spray nozzle, which comprises a honeycomb duct, a mounting seat and one pair of connecting pieces, wherein the honeycomb duct is spliced into the mounting seat; the honeycomb duct is provided with spray orifices; the honeycomb duct is arranged in the connecting pieces and is detachably connected with the upper ends of the connecting pieces; and the lower ends of the connecting pieces are detachably connected with the mounting seat. The automobile aqueous urea solution spray nozzle disclosed by the invention is adjustable in depth and is convenient in maintenance.

The invention belongs to the technical field of computer network safety defense, and specifically relates to a network defense strategy selection method for an optimal reaction dynamic evolution game model. The method comprises the steps: constructing an optimal reaction dynamic attack and defense evolution game model based on the bounded rationality condition through an optimal reaction dynamic learning mechanism; selecting a dynamic evolution process and a defense evolution balance point through a defense side strategy, and carrying out the research of a defense strategy selection problem among different defenders; carrying out the analysis and solving of the model on the basis of the built optimal reaction dynamic attack and defense evolution game model through a specific calculation example, and carrying out the popularization of the evolution game model. According to the invention, the non-cooperation network attack and defense evolution game model is constructed under the bounded rationality condition, and an initial state is selected through the arrangement of the defense side strategy. Through continuous evolution, an optimal reaction dynamic state will enable a game system to reach a steady state finally, thereby obtaining an optimal defense strategy. The method provided by the invention can be used for solving a problem of network safety defense strategy selection, and has certain guide significance to the research of network safety.

The present invention relates to a method for manufacturing a semiconductor device and a semiconductor device, which are high in generality, can perform semiconductor chip mounting with an excellent reliability under a high temperature environment, and can perform high temperature motion of a semiconductor device. Between a mounting substrate and the semiconductor chip a joint support layer is clamped, through maintaining the temperature to be higher than the melting point of a melt layer, then an alloy layer is formed which has a higher melting point than the melt layer by liquid phase diffusion, such that the mounting substrate is jointed with the semiconductor chip. The joint support layer includes a metal or its alloy selected from the group of Cu, Al, Ag, Ni, Cr, Zr and Ti and a melt layer laminated across the joint support layer, and formed of a metal selected from the group of Sn, Zn and In or of an alloy of at least two metals selected from the same metals. The process of joining the mounting substrate and the semiconductor chip includes intervening a joining layer which is formed, at least for its outermost layer.

A method for improving the resistance of display of OCT equipment to electromagnetic field interference radiated by radio frequency is characterized in that firstly, a shield cover originally mountedon a display control panel is connected with a metal plate by a cop sheet or a copper connecting tape, so that the potential generated by external radio frequency interference of the shield cover is communicated with the ground through the metal plate; Secondly, the coupling interference of 28V/m RF interference to the wire is reduced by connecting magnetic loops in series in the longer traces. The invention solves the problem of anti-radio frequency interference of the display, has simple method, improves the universality of the display, and reduces the requirement on the anti-interference grade of the display.

The invention discloses an intelligent door with an automatic cooling function. The intelligent door comprises a door body, an intelligent lock. The intelligent lock is arranged in the door body and located at one side of the door body. The intelligent lock includes a shell, a locking piece, an operating handle, a temperature sensor, a battery, a controller and a first cooling pipeline. The locking piece is arranged in the shell, and at least part of the locking piece extends out of the shell and the door body and is used for locking or unlocking the door body; the operating handle is arranged outside the shell and is used for being held and operated by a user to unlock the locking piece; the temperature sensor is used for detecting the temperature near the intelligent lock; the battery is used for supplying power to the intelligent lock; the controller is used for controlling the intelligent lock; the first cooling pipeline is arranged outside the shell, and at least part of the first cooling pipeline is in contact with the shell to cool the shell; and cooling liquid is arranged in cooling pipelines. The intelligent door with the automatic cooling function can adapt to a high-temperature working environment, and is higher in universality and safer to use.

The invention discloses a pushing device for machining a hardware mechanical part, and relates to the field of hardware mechanical part machining equipment. The pushing device for machining the hardware mechanical part comprises an installation top plate, wherein a sliding rail is fixedly connected to the middle of the front side of the lower surface of the installation top plate; a first electricpushing rod is fixedly connected to the middle of the rear side of the lower surface of the installation top plate; a connecting column is arranged on the lower surface of the sliding rail; the bottom end of the connecting column is fixedly connected with a first fixing plate; a servo motor is fixedly connected to the middle of the lower surface of the first fixing plate; a lead screw is fixedlyconnected to the middle of the lower surface of the servo motor through a rotating shaft; a threaded sleeve is arranged at the bottom end of the lead screw; a second fixing plate is fixedly connectedto the bottom end of the threaded sleeve; and a second electric pushing rod is fixedly connected to the lower surface of the second fixing plate. According to the pushing device for machining the hardware mechanical part, the transverse pushing position can be adjusted, materials at different positions can be pushed, the pushing positions are various, the universality is high, a plurality of groups are avoided, and the investment cost of equipment is saved.

The invention discloses a device for robot joint electrical connection. The device comprises a flange set and a connector set. The flange set includes a first flange and a second flange, the outer side of the first flange is fixedly connected with a first joint connecting rod, the outer side of the second flange is fixedly connected with a second joint connecting rod, and the first flange and the second flange can achieve coaxial rotation. The connector set includes a connector body and a contactor set, and the connector body is fixedly arranged on the inner side of the first flange. The contactor set includes a first contactor and a second contactor. The first contactor is a circular ring electrode and is arranged on the connector body, the second contactor is a point electrode and is arranged on the inner side of the second flange, the circle center of the circular ring electrode is located on an axial line of the flange set, the point electrode corresponds to the circular ring electrode, and the tail of the first contactor and the tail of the second contactor are permanently connected with electric cables on the corresponding joint connecting rods through lead-out conductors. The device has the beneficial effect that the problems of twining and dragging of the electric cables are avoided.

The invention relates to a device and method for adjusting the size of a top die system hanging rack. The device for adjusting the top die system hanging rack comprise a vertical face protecting net frame, a movable plate, guide angle steel, first guide channel steel and second guide channel steel. The lower end of the vertical face protecting net frame is vertically and fixedly connected with the left end of the movable plate, and the left end and the right end of the lower surface of the movable plate are respectively provided with a plurality of vertical bearings and horizontal bearings. The guide angle steel and the first guide channel steel are arranged at the left end and the right end of a bottom plate of the hanging rack respectively. The second guide channel steel is arranged at the upper end of a vertical rod of the hanging rack. The left end and the right end of the movable plate are placed in an opening of the guide angle steel and an opening of the first guide channel steel respectively. The upper end of the vertical protecting net frame is placed in an opening of the second guide channel steel. According to the device and method for adjusting the size of the top die system hanging rack, the vertical face protecting net frame and the movable plate can slide along the guide angle steel and the first guide channel steel, so that the size of a rack body of the hanging rack is adjusted freely, and the hanging rack can be adapted to the size variation of a building core tube.

The invention provides a bluetooth lock dynamic self-calibration method which comprises the following steps: a whole region is divided into n bluetooth lock small regions which are in a same shape, have same area and are not mutually overlapped in a total data server, and each bluetooth lock small region corresponds to m signal radiation small regions which are not mutually overlapped, are in a sector shape and have a central angle being 360 degrees/m. By adopting the bluetooth lock dynamic self-calibration method, the stability and the safety that a user uses a bluetooth lock in a same style in different environments to automatically unlock are obviously improved; through a self learning mode, a respective bluetooth strength range, belonging to each bluetooth lock user, of bluetooth lock automatic starting is deeply customized for each bluetooth lock user more intelligently, and the universality of the bluetooth lock is improved; by collecting and classifying a great quantity of data by a bluetooth lock platform, the user automatically controls the bluetooth lock with relatively most efficient bluetooth strength anywhere or anytime, and the user experience of the bluetooth lock is improved.

An underground support system having an underground reinforcement system that is at least partially encapsulated with concrete or a cement material. The underground reinforcement system includes a flexible wire mesh having a matrix of longitudinally and transversely extending metal wires. The matrix of longitudinally and transversely extending metal wires has at least one three-dimensional sheet, each sheet having at least one raised corrugation, positioned along the length of an underground space. The raised corrugation acts as a template depth girder for application of concrete or cement material at a defined depth such that the underground reinforcement system is at least partially encapsulated with the concrete or cement material.

A digital single-period control method of a direct-drive type wind generating system inverter is characterized by firstly calculating the value of a sector 's' according to three-phase wire voltages Uab, Ubc and Uca; then calculating auxiliary variables Up, Un, Ip and In and calculating the valvue of a compared register in a digital signal processing chip DSP according to the sector 's', the three-phase wire voltages Uab, Ubc and Uca as well as three-phase inductive currents Ia, Ib and Ic; the digital signal processing chip DSP generates a control signal by adopting a single-period control method to control the turning on and off of the switching tubes S1 to S6 of the inverter in each modulating process. The invention overcomes the problems of a big size and inconvenient parameter adjustment of a simulated control circuit; the application of the invention to the simulated control circuit on a network-connected inverter of the direct-drive type wind generating system can realize a maximum power output to the power network from the system and simultaneously reduce the system loss and circuit harmonic distortion.