51 results about "Hard core" patented technology

To provide a piece of footwear that is applicable to a foot condition of each elderly, that facilitates taking on and off, and that is comfortable to wear.SOLUTION: A piece of footwear is provided with an instep part 2 that has an opening 25, and with a bottom part 4. The instep part 2 includes a toe part 21, a side part 22, and a heel part 23. The heel part 23 supports the rear of the heel and includes: a heel curve part 230 which bends in a width direction; a step part 231 which is formed in the upper part from a lower end of the heel curve part 230 and which is formed projectingly to an outer side, in the heel curve part 230; a guide part 232 which is formed in a heel upper end situated in a rear end part of the opening 25 and which expands rearward; and, as an inner package, a hard core material 233 which has a projection 2331 corresponding to the step part 231 of the heel part 23 and which is provided with a guide core part 2332 for maintaining a shape of the guide part 232.SELECTED DRAWING: Figure 1

The invention belongs to a diaphragm type air spring stiffness valve in the technical field of air spring systems. The diaphragm (13) is sleeved on the push rod (17) from one side of the push rod big head (17-2) through a central hole (13-3) of the diaphragm central hard core part (13-2), the diaphragm convex part (13-1) falls into the front yoke sleeve diaphragm groove (7-1) of the front yoke sleeve (7), the gland (14) is pressed into the front yoke sleeve (7) in an interference manner and tightly presses the diaphragm convex part (13-1), and the pressing plate (12) is pressed on one side of the push rod big head (17-2) in an interference manner and tightly presses the diaphragm central hard core part (13-2). The diaphragm type air spring stiffness valve is simple in structure and reliable in control, good sealing performance is guaranteed in the moving process of the valve element, meanwhile, friction resistance can be remarkably reduced, and the action of an electromagnetic valve is smoother.

The present invention relates to a floor, in particular to a double-layer composite floor and a preparation method thereof; belonging to the technical field of floor manufacturing. It comprises a hard core layer and an elastic surface layer, wherein the elastic surface layer covers the hard core layer at least on the upper surface and part of the side surface of the floor; and a matching structure is formed between the hard core layer and the elastic surface layer; the matching structure comprises a plurality of unit elements formed on the surface of the hard core layer and a plurality of corresponding elements formed on the surface of the elastic surface layer; the unit element is a strip structure with a convex or concave cross-section arranged along the length direction of the floor. The present invention arranges a matching structure between the elastic surface layer and the hard foam core layer, so that the elastic surface layer is firmly covered on the hard foam core layer, so that the present invention has the advantages of both the hard foam core layer and the elastic surface layer, and has high compressive strength and good surface contact.

The invention provides an asymmetric rigid-flex board and a processing method, and relates to a printed circuit board manufacturing technology, and the method comprises the steps: processing a core board of a flexible board; processing a hard core board; processing the PP layer; processing a gasket layer; the soft board core board, the PP layer, the gasket layer and the hard board core board are sequentially overlapped and pressed, and the soft-hard combined board is obtained through hot pressing; processing an outer-layer circuit of the soft board and an outer-layer circuit of the hard board; quickly pressing an outer layer covering film on the outer side surface of the soft board core board in the soft board area; spraying solder mask on the outer side surface of the soft core board in the hard board area and the outer side surface of the hard core board in the hard board area to form solder mask layers, and exposing and developing the solder mask layers to expose the positions of the bonding pads; and performing depth-controlled groove milling in a soft board area on the outer side of the hard board core board, and removing the gasket layer. According to the invention, the easy bending performance of the soft board area can be ensured, the welding resistance of the hard board area can be ensured, and the practicability is relatively high.

The present invention relates to a photonic crystal coating, a preparation method, and its application, belonging to the technical field of photonic crystal structure color generation. The photonic crystal coating comprises the following components, measured in parts by weight: 100 parts of a hard-core-soft-shell nanosphere dispersion, 1 to 8 parts of a leveling agent, 0.1 to 0.4 parts of a stray light absorber, and 0 to 6 parts of a high-boiling-point additive. The photonic crystal coating is directly prepared from hard-core-soft-shell colloidal nanospheres. The resulting structural color coating exhibits excellent structural stability (associated with high color fastness), high color saturation, and a significant iridescent effect.

The invention relates to the technical field of chip simulation, in particular to a chip simulation method, a chip simulation device, chip simulation equipment and a medium, the method comprises the following steps: in a comprehensive logic stage of a chip, performing comprehensive logic simulation after reading an actual layout plan to obtain a comprehensive netlist, the comprehensive netlist comprises interconnection line delay data and time sequence library information, the layout planning comprises specific position information of a hard core and a standard unit of the chip; generating a standard delay format file according to the interconnection line delay data and the time sequence library information; the integrated netlist and the standard delay format file are read into a static time sequence analysis tool for integration post-simulation, and a time sequence report is obtained; and determining whether a time sequence problem exists or not according to the time sequence report, and if so, repairing the path with the time sequence problem. According to the method, the accurate delay problem can be obtained through quick simulation.

The invention discloses a preparation method of a core-shell structure hard alloy with high strength and high toughness, and belongs to the technical field of hard alloys and powder metallurgy. According to the preparation method, a micro heterostructure is formed after sintering through a pre-constructed'fine grain hard core-coarse grain tough shell 'powder system, and deflection and energy dissipation are promoted during crack propagation by utilizing the performance difference and interfacial effect between the core and a matrix, so that the strength and toughness of the material are synergistically improved. The method is simple in process and low in cost, the material performance can be flexibly designed by adjusting the core particle size, the core-shell components and the core-shell proportion, and the method is suitable for tools, drilling tools, wear-resistant parts and the like with strict requirements for obdurability.

The invention belongs to the technical field of integrated circuits, and discloses a modeling method, device and equipment for a hardcore module and a storage medium, and the modeling method comprises the steps: obtaining a to-be-modeled hardcore module; determining a target signal path mapped with a plurality of configuration scenes in the to-be-modeled hardcore module; for any configuration scene of the target signal path, determining a port of the to-be-modeled hardcore module corresponding to the configuration scene, the port including an input port and an output port; based on the corresponding relation between the configuration scenes and the ports, the ports of the to-be-modeled hardcore module are split, a modeled hardcore module is obtained, and in the modeled hardcore module, a signal path formed between a set of input ports and output ports is mapped with a unique configuration scene. According to the invention, the problem that the wiring theory of the chip is reachable and the actual connection is illegal in the prior art is solved.

1. The name of the product of this design: building block toy (hard-core explosion-proof mecha 4). 2. Purpose of the product of this design: a toy for children to play with. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the key points of the design: use a state diagram.

1. The name of the product of this design: building block toy (hardcore riot-proof helicopter). 2. Purpose of the product of this design: a toy for children to play with. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the key points of the design: use a state diagram.

The invention relates to an instrument channel capable of realizing multi-angle deformation, which is used for being matched with a hard core rod to be used as a puncture outfit, and a main body is a deformable sheath tube; the deformable sheathing canal comprises a sheathing canal head, a flexible sheathing canal and a sheathing canal tail which are sequentially connected from top to bottom, and the flexible sheathing canal is made of a soft material; a plurality of sheathing canal supporting rings which are sequentially arranged from top to bottom are attached to the inner wall of the flexible sheathing canal. Compared with the prior art, the device has the unique advantage of super-large bendable angle, in the operation process, an operator can adjust the position and direction of entering an instrument according to the actual scene requirement, the device is not affected by the straight-in and straight-out form of a traditional puncture sheath, the device can be adjusted to the designated position more flexibly in the operation application process, and therefore the operation difficulty is reduced, and the operation time is shortened.

1. The name of the design product: jacket (high-performance multi-scene hard core lifesaving). 2. The use of the design product: for use in jackets. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: reference Figure 1 in use. 5. The design product is a thin product, and other views are omitted. 6. The mannequin in the design picture is a prop and does not belong to the protected design content.

The invention discloses an embedded ARM hardcore FPGA time sequence simulation test method and system, and aims to overcome the defects of low hardcore FPGA time sequence simulation test efficiency and test quality caused by lack of a time sequence simulation model in a tested netlist in the prior art. The system comprises a test bed, an interface simulation model module and a signal mapping module, the test bed provides a simulation test environment, the interface simulation model module is connected to the test bed to simulate an ARM hardcore interface protocol behavior, and the signal mapping module realizes signal mapping of a netlist and the test bed through a simulation tool system task. The method is based on the system, a corresponding interface simulation model is selected according to an ARM hardcore interface protocol, a test bed interface signal is defined, a system task mapping signal is called, a model port is bound to replace an original model, a file is compiled to execute time sequence simulation, and waveform verification is observed. According to the method, the defect of model deficiency is made up, the testing efficiency and quality are greatly improved, and the requirement for time sequence simulation testing of the hard-core FPGA is met.

The present invention discloses a hard-core interface module of an APF control system, which communicates with an MCU by reading and writing a dual-port RAM; the input signals of the top-level entity of the hard-core interface module include: a clock signal, waveform data, slave board data, slave board status, dual-port RAM read-write status, a fault signal, and a notification signal; the output signals of the top-level entity of the hard-core interface module include: a first enable signal, data output, address output, command output, and a notification signal. The hard-core interface module of the APF control system controls the real-time operation of various electrical data, switch status, stability of the running line and other important information of the power grid system collected by the hard-core, and timely displays them on the control terminal while transmitting the configuration parameters issued by the terminal, so as to realize real-time control of the operation status of the power grid system.

The invention belongs to the technical field of composite material processing, and provides a method for removing a hard core material of a composite material, which comprises the following steps of: determining a position close to a hole according to a defect range; covering a metal protective plate on the defect, and forming a through hole; primary holes are formed in the upper panel and the core material according to the positions of the through holes; removing tools including a spherical grinding tool and a cylindrical grinding tool are designed; the removing tool is used for conducting graded grinding till the core material is completely removed; core material powder is sucked out in a vacuum mode, and the metal protection plate is removed; and the initial hole is expanded to the final hole to facilitate the use in the subsequent process. The technical problem that no applicable maintenance scheme for the debonding defect of the existing foam sandwich structure exists is solved, and the selective removal of the core material is realized on the premise of ensuring the relative completeness of the panel interface.

The utility model discloses a novel mechanical sealing structure, and relates to the technical field of sealing. The pipe joint comprises a pipe end to be connected, an inner connecting pipe, an outer sleeve, an inner seal and a push ring, a machine connecting seat is arranged at one end of the inner connecting pipe, the inner connecting pipe and the outer sleeve are integrally provided with flanges and are concentrically connected through bolts, the inner seal comprises a hard core ring, an embedded groove is formed in one side of the hard core ring, and a convex ring part is arranged on the inner side of the other side of the hard core ring. By designing the novel sealing structure, the connection sealing between the pipe end to be connected and the inner connecting pipe can be realized through the matching of the inner seal and the sealing ring, the connection sealing between the outer sleeve and the inner connecting pipe can be realized through the matching of the inner seal, the push ring and the sealing mechanism, the sealing effect is better, and meanwhile, if the loosening condition occurs, the sealing effect is better. The sealing effect between the push ring and the inner seal can be continuously maintained through the elastic force of the spring, and the sealing effect of the sealing point is greatly improved.

The present invention provides a test method and system for processor system-level design, comprising: a processor test platform based on SoC‑FPGA selects a memory and peripheral usage mode of a processor under test according to hardware source code and device conditions, detects the processor to be tested and performs interface standardization processing on it, and divides the interface of the processor to be tested according to function; the processor test platform deploys the processor to be tested in the form of a soft core in combination with the selected memory and peripheral usage mode, designs an address space mapping mechanism between a hard-core processor and the processor to be tested, constructs an FPGA project and generates a hardware configuration file; compiles the software source code and generates a software load for testing; the hard-core processor deploys the software load according to the selected memory and peripheral usage mode; provides the peripheral interface resources of the SoC‑FPGA to the processor to be tested in an exclusive or shared manner according to the memory and peripheral usage mode; and executes the software load to evaluate the complete hardware and software system.

The present invention discloses an ADC dynamic index measurement system and method based on FPGA, which is used to solve the problems of frequent manual intervention and slow test speed in traditional methods. The system only needs simple operation during measurement to realize the measurement and display of ADC dynamic index, which can effectively shorten the measurement time. The measurement system includes a host computer, a software module and a hardware logic module. The host computer is used to measure the distribution of system control parameters and the dynamic observation of parameter indicators; the software module is implemented based on Microblaze soft core or ARM hard core, including an ADC chip configuration module and an ADC index calculation module; the hardware logic module is implemented using the logic resources of FPGA, including a clock distribution module, an IO transmission module, a data buffer conversion module, a self-test signal generation module, a data preprocessing module and a RAM storage control module.

An acrylic alloy composition that can be 3-D printed by a material extrusion additive manufacturing process, an acrylic filament that has a very uniform diameter useful in the extrusion additive manufacturing process, acrylic articles made from the acrylic alloy composition by a material extrusion additive process, and a material extrusion additive manufacturing process for producing the acrylic articles. The acrylic alloy composition is an alloy of an acrylic polymer, and a low melt viscosity polymer, such as polylactic acid. The alloy may optionally be impact modified, preferably with hard core core-shell impact modifiers.

1. The name of the design product: mattress (hard core Lite2 generation). 2. The use of the design product: for mattress. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The invention provides acrylate latex as well as a preparation method and application thereof, and belongs to the technical field of pressure-sensitive adhesives. The acrylate latex provided by the invention has a core-shell structure with a hard core and a soft shell, the inner core is the acrylate copolymer with a high glass transition temperature, high cohesion is provided, the creep resistance of the pressure-sensitive adhesive is ensured, the glass transition temperature of the inner core is-25-30 DEG C, and the pressure-sensitive adhesive has the best adhesive overflow resistance; the shell is made of the acrylate copolymer with low glass transition temperature, and the glass transition temperature of the shell is-35 to-65 DEG C, so that the pressure-sensitive adhesive is endowed with enough initial adhesion and stripping force, and the adhesive property is ensured. The result of the embodiment of the invention shows that the initial adhesion of the acrylate latex provided by the invention is more than 10N / 25mm, the 90-degree stripping force is more than 7N / 25mm, the permanent adhesion is not displaced for 120 hours, and the acrylate latex has good comprehensive performance.

The present invention provides a welding method, which comprises: slidingly inserting at least one supporting part of a welding device into at least one cavity of a hose to be welded in a one-to-one correspondence, slidingly inserting at least one supporting part into at least one cavity of a hard tube to be welded in a one-to-one correspondence, wherein the outer peripheral shape of the supporting part matches the inner wall shape of the cavity of the hose to be welded, and the supporting part comprises a hard core with a hardness greater than that of the hose to be welded and a polytetrafluoroethylene layer fitted to the outer periphery of the hard core; placing the butt end of the hose to be welded and the butt end of the hard tube to be welded in a heating space; heating the butt end of the hose to be welded and the butt end of the hard tube to be welded to melt the butt end of the hose to be welded and the butt end of the hard tube to be welded, and abutting the hose to be welded and the hard tube to be welded along the extension direction of the supporting part, so that the hose to be welded maintains a good shape and its cavity is unobstructed during the welding process.

A system and method for securing a system-on-chip (SoC) field programmable gate array (FPGA) is provided, wherein the SoC FPGA includes an FPGA fabric, a soft core processor hosted within the FPGA fabric, a hard core processor, and a secure boot environment for the SOC FPGA. Monitoring logic monitors for a change in the FPGA fabric. External watchdog logic is configured to receive a trigger signal from the monitoring logic, and force the hard core processor(s) of the SoC FPGA into a reset state with no ability to recover unless power is cycled when a change has been made to the FPGA fabric, so as to provide a “fail secure” scenario. The monitoring logic may be firmware hosted on the FPGA fabric, software hosted on the soft core, software hosted on the hard core, and / or external hard logic.

The invention relates to the field of abrasive discs, and particularly discloses a soft and hard matrix composite type wet and dry abrasive disc. The grinding block composed of the outer soft wrapping layer and the inner hard grinding block is arranged on the substrate, and when the grinding block is used for grinding, the outer soft wrapping layer can serve as a buffer barrier between the terrace and the inner hard grinding block, so that the inner hard grinding block is prevented from leaving deep scratches on the ground; meanwhile, the inner hard grinding block can also serve as a hard core of the outer soft wrapping layer, excessive deformation of the outer soft wrapping layer is avoided, abrasion of the outer soft wrapping layer is reduced, the service life of the outer soft wrapping layer is prolonged, and due to the arrangement of the outer-soft-inner-hard grinding block structure, the service life of the outer soft wrapping layer is prolonged, and the service life of the outer soft wrapping layer is prolonged. And deeper grinding scratches can be prevented from being left on the ground, and the grinding machine can be suitable for grinding the ground made of different materials and has high practicability.

The utility model discloses a hollow pointed-end heating rod, which comprises a heating pipe body and a pointed-end plug, the heating pipe body is a hollow thin-wall piece formed by winding a casting sheet around an auxiliary hard core rod for two circles, then pressing by using an isostatic pressing process, and drawing out the hard core rod after pressing; the tail end of the tape casting sheet in the winding direction is coated with glue; a heating circuit is printed on the casting sheet, an electrode of the heating circuit is connected with a lead, and the heating tube body is provided with a first end for mounting the lead and a second end for mounting the pointed plug; the pointed plug comprises a conical head part and a cylindrical insertion part, the cylindrical insertion part is tightly inserted into the inner hole of the second end of the heating tube body, the conical head part is exposed outside the heating tube body, and the pointed plug and the heating tube body are sintered into a whole. According to the hollow pointed-end heating rod disclosed by the utility model, the heating tube body is hollow, so that the actual volume is smaller than that of a conventional solid heating rod, the mass is smaller, and the temperature rise is faster.

The invention relates to a low-defect high-selection-ratio core-shell composite abrasive material, a preparation method and a polishing solution, and belongs to the technical field of chemical mechanical polishing of integrated circuits, the low-defect high-selection-ratio core-shell composite abrasive material comprises a multilayer structure formed by an inner core and an outer shell, and the inner core comprises alpha-phase aluminum oxide particles and gamma-phase aluminum oxide particles; the preparation method of the Al2O3-coated SiO2-Betaine comprises the following steps of: mixing an inner core, coating the outer shell with a silicon oxide coating layer, performing grafting modification on the surface of the silicon oxide coating layer through a betaine type zwitterionic compound to obtain Al2O3-coated SiO2-Betaine, performing mixing on the inner core, coating the outer shell, dispersing core-shell particles, preparing modifier hydrolysate and performing surface grafting to obtain the Al2O3-coated SiO2-Betaine, and the Al2O3-coated SiO2-Betaine can be used for preparing a polishing solution. Through the unique three-layer structure design of the hard core, the soft shell and the surface modification, high removal rate, low defect and controllable selection ratio are synchronously realized.

The present invention discloses a soft error injection method and an FPGA chip. The method is applied to the soft core IP of an FPGA chip. The injection interface of a soft error correction (SEC) hard core in the FPGA chip is encapsulated in the soft core IP. The method comprises: receiving a setting signal from a user to obtain setting information; generating soft error injection information based on the setting information; and sending the soft error injection information to the SEC hard core via the injection interface, so that the SEC hard core injects soft errors according to the soft error injection information. The present invention does not rely on the JTAG interface when performing soft error injection, occupies less FPGA resources, and has high injection efficiency.