67 results about "Design thinking" patented technology

The invention aims at providing a low-cost multipurpose base mortar which comprises the following ingredients in proportions: 15-50 percent of cement, 50-85 percent of sand, 1-20 percent of inorganic composite material, 0.05-10 percent of organic composite material and 0.1-5 percent of fibrous material. The invention generates a super-composition effect by utilizing a multi-compositing design thinking and adding a plurality of inorganic and organic functional materials and enables that the mortar performance is greatly prompted, different types of prepared mortars satisfy the rigorous requirement for the mortar performance from various corresponding novel materials, the cost is not increased remarkably, and factory-produced dry-mixed mortar can be used in engineering construction actually.

The invention discloses a light-weight orthogonal corrugated core sandwich composite structure and a preparation method thereof. The composite structure comprises an upper panel, a lower panel and an orthogonal corrugated core body arranged between the upper panel and the lower panel; compared with the traditional transverse isotropic corrugated core sandwich structure, in the orthogonal approximately-isotropic corrugated core sandwich composite structure disclosed by the invention, anti-shear capacities and anti-bending capacities in two in-plane orthogonal directions are approximately the same; in out-of-plane vertical directions, with the adoption of the design thinking and method of orthogonal corrugations, the anti-local buckling capacity of the orthogonal approximately-isotropic corrugated core sandwich composite structure is greatly enhanced compared with the transverse isotropic corrugated core sandwich structure, thus effectively avoiding the occurrences of local collapse and deformation along a corrugated surface; a gap formed by the orthogonal design of the core layer provides a space for multifunctional design for the structure, and functional components and parts can be placed, and sound absorption materials or other functional materials can be filled according to the needs of engineering applications, thus realizing multi-functionalization.

The invention belongs to the technical field of mechanical designs and relates to a motor vehicle drive axle design method. The motor vehicle drive axle design method includes performing attribute matching comparison on instance features and design requirements according to user's design parameters, calculating similarities of all instances, extracting the instances with the maximum similarities as base models of variant designs, and modifying the instances with the maximum similarities, wherein amended solutions are used as new instances which are to be stored in an instance base. The motor vehicle drive axle design method is reliable in design principle, advanced in design thinking, high in design accuracy, short in time, environmental friendly, and capable of saving man-human resources, and effectively improving design efficiency and design qualities.

The invention belongs to the field of electric power systems, and particularly relates to a method for evaluating relay protection states. The method includes the steps: firstly, determining single state quantities of state evaluation to acquire acquisition; secondly, building a hierarchical state evaluation system; thirdly, computing constant weight coefficients and variable weight coefficients of the single state quantities according to association rules and variable weight theories; fourthly, building membership functions of the single state quantities for state rates by a fuzzy distribution method, building a fuzzy relation matrix, and gradually computing fuzzy comprehensive evaluation result vectors; finally, judging the running state of a relay protection device according to a maximum membership principle. The influence of expert opinion subjectivity on the weight coefficients is avoided, the method contributes to solving the problem that a real running state of the relay protection device cannot be reflected by the constant weight coefficients, an accurate and simple relay protection state evaluation result is provided for operators and can serve as a state maintenance basis, the design thinking is clear, programming is easily realized, and transplantation between different programming environments is facilitated.

The invention provides a design method of YOLO network forward inference accelerator based on FPGA. The accelerator comprises an FPGA chip and a DRAM. The memory BRAM in the FPGA chip is used as a data buffer, and the DRAM is used as a main storage device. The accelerator design method comprises the following steps: (1) quantizing the original network data by 8 bits to obtain a decimal point position which has the least influence on the detection accuracy, and forming a quantization scheme, wherein the quantization process is carried out layer by layer; (2) parallel computation of YOLO's nine-layer convolution network with FPGA chip; (3) position mapping. The invention solves the technical problem that the storage resources on the FPGA chip in the prior art do not grow as fast as the neural network scale, and the general target detection network is difficult to be transplanted to the FPGA chip according to the traditional design thinking, so as to achieve the purpose of using fewer resources on the chip to achieve faster speed.

The invention provides a parallel computing hardware structure based on a separation and combination thought, which comprises a plurality of first parallel computing units, a plurality of second computing units, a task dispatcher used for controlling a plurality of the first parallel computing units and a plurality of the second parallel computing units, a global memory used for storing global data, a local memory for storing intermediate results computed by a plurality of the first parallel computing units and providing the intermediate results to a plurality of the second computing units after starting computation, and a data controller used for providing data for a plurality of the first parallel computing units and the task dispatcher. By adopting the hardware structure applied in parallel computing and provided by the embodiment of the invention, design thoughts such as dispatching, synchronizing and communicating can be effectively covered, so a designer can directly focus on the description of a computation part of an algorithm, thus reducing design complexity of a parallel circuit and shortening circuit design and realization time to a large degree.

The invention relates to a construction method of a high mountain building, in particular to a transportation method for constructing a high mountain building. In the method, the problems that materials and construction tools are difficult to transport when constructing a new structure or building, and the exiting transportation method has various defects are solved. The method comprises the steps: building a base layer on a slope surface which is relatively flat by the earth excavated on the field; paving two tracks on the base layer; and arranging a transporting hopper car on the tracks, wherein the transporting hopper car is driven by a winding engine at the top of the slope surface to move up and down along the tracks, so that the transportation during constructing the high mountain building is realized. The method is novel and ingenious in design thinking, is reasonable and definite in design parameters, and offers a novel transportation method for the transportation during constructing the high mountain building. The method has the technical effects as follows: 1, the construction cost and the project cost are reduced; 2, the work efficiency is high; 3, the method is convenient and flexible; and 4, the method improves the application, i.e. a beautiful and practical passing steel ladder can be formed only with a little improvement.

The invention is suitable for the field of household appliances, and discloses a fan head assembly and a fan. The fan head assembly comprises a wind-out base, a wind-in base and a rotary oscillating mechanism, wherein the wind-in base is arranged on one side of the wind-out base, and the rotary oscillating mechanism is used for driving the wind-out base to conduct rotary oscillating motion relative to the wind-in base. The rotary oscillating mechanism comprises a rotary oscillating driving motor assembled on the wind-in base and a rotary oscillating transmission pair which is in transmission connection with the rotary oscillating driving motor and the wind-out base. According to the fan head assembly and the fan, the wind-out base can conduct the rotary oscillating motion relative to the wind-in base, and a conventional design thinking that a wind-out base and a wind-in base in an existing fan are relatively stationary is broken. Because the wind-out base conducts stereoscopic rotary oscillating motion relative to the wind-in base, products are very cool in the operating process, and the problems that an existing fan product is serious in homogenization and has no differentiated selling point are well solved; and meanwhile the wind-supplying area is effectively enlarged, rotary output of the wind direction is achieved, and the output wind is gentler and more natural.

The invention discloses an intelligent power supply method for a wireless mouse. A host which is connected with a USB interface of a computer, and a mouse unit which is mounted in the mouse are utilized through a wireless communication mode in the method; working voltage of each working unit of the host is from a USB bus; and the method comprises a host control strategy and a mouse unit control strategy: the design thinking is that power is merely supplied to the mouse in operation while the power is shut down when the mouse is in servo status, the time slot of a user is recorded, a neural network software is used for forecasting time span threshold value of next servo, and thus no power is supplied to the mouse not in operation, thereby greatly saving power and meeting low-carbon living requirement. The invention also discloses an intelligent power supply system for the wireless mouse. The system has the advantages of compact structure and easy operation.

The invention provides an optimum design method for a gap between the movable part and the static part of a centrifugal pump. The optimum design method comprises the steps of using a value calculation method of combining a response spectrum with fluid-structure interaction, and considering an earthquake force and a fluid excitation force simultaneously to obtain quantitative deformations at an impeller opening ring and an impeller outlet in the multi-operating mode of a residual heat removal pump. The law of deformation between the movable part and the static part in the multi-operating mode of the residual heat removal pump is obtained by virtue of the calculation of combining the earthquake response spectrum with fluid-structure interaction, and by using the method of considering the influence of the earthquake force and the fluid excitation force on an impeller, so as to optimize the design for the gap between the movable part and the static part of the residual heat removal pump. The method is based on an earthquake response spectrum analysis and a fluid-induced vibration analysis, thus the design for the gap between the movable part and the static part of the centrifugal pump for nuclear power is more reasonable, a more accurate calculation result is provided for the structural design for the centrifugal pump, and novel design thinking and method are provided for the optimum design for the centrifugal pump structure for nuclear power.

The present invention provides a 3D point cloud model encryption method based on chaotic mapping, belongs to the information safety cryptography field, in particular relates to a method aiming at 3D model encryption, wherein the extreme sensitivity of a chaotic system can improve the complexity of an encryption scheme effectively, at the same time, the huge 3D point cloud data quantity can effectively improve the reliability of an encryption algorithm. The algorithm adopts the design thinking of a random inverse transformation matrix, a key sequence can be generated by utilizing the system parameters and an initial value, and further, a series of transformation matrixes are generated to encrypt, so that the tiny change of the initial value or the system parameters can cause the great change of a decryption result. The experiment analysis shows that the encryption scheme can resist the violence attacks very well, can gather the attacks and the differential attacks, and is high in secret key sensitivity and rapid in encryption/decryption speed. Moreover, the encryption method can be realized very easily via softwares. The encryption method of the present invention can be widely applied to and popularized in the point cloud model safety storage and transmission encryption.

The invention provides a maximum power point tracking method for rapidly self-adapting step length of a photovoltaic array to solve a technical problem. The method is simple in design thinking and easy to realize; and the step length can be also automatically adjusted to track a maximum power point of the photovoltaic array. According to the invention, the self-adaptive step length v (v=/dP/dV/) is beyond a neighborhood U (Pmax, epsilon) of the maximum power point by using a logarithm operation form, so that larger stable step length is kept; and within the neighborhood U (Pmax, epsilon) of the maximum power point, the self-adaptive step length v is further rapidly reduced and the step length v of 0 at the maximum power point is guaranteed, so that the self-adaptive step length v is more sensitive and the tracking speed of the system is increased and tracking accuracy of a system is improved.

The invention discloses an ultra-wideband bionic antenna with a low radar scattering cross section, and mainly solves the problems that existing ultra-wideband antenna radar has high scattering crosssection and can be easily found by radar. The ultra-wideband bionic antenna with the low radar scattering cross section comprises a radiation unit (2), a radiant floor (3) and an SMA coaxial adapter substitute. The antenna radiating unit and the antenna radiation floor are respectively printed on both sides of a medium material board (1), and are respectively connected with an inner core (4) and an outer core (5) of the SMA coaxial adapter substitute. The radiating unit is designed to be a sectoral structure comprising a rectangular column and a plurality of arc strips symmetrically arranged on the rectangular column in accordance with a design thinking similar to insect antennae, the degrees of the central angles of the arc strips are identical, and the sizes of semi-diameters are progressively increased according to equal intervals from the top to the bottom; and both sides of the radiant floor are rectangles with inversed 90-degree arc angles. The invention has the advantages of wide frequency band and good hiding performance, thereby being capable of being used as the ultra-wideband antenna on a hiding target vector.

The invention discloses a temperature controller pedestal and a manufacturing technique. The temperature controller pedestal comprises a base plate and a capillary tube. The upper surface of the base plate is a concave surface and the lower surface of the base plate is a convex surface; a corrugated pipe is welded to the concave surface of the base plate; and the capillary tube passes through the center of the base plate. The capillary tube is installed in a central through hole of the base plate; a circular recessed bench is arranged at the center of the concave surface of the base plate; and a side clamping structure being a structure formed by superposition of two bosses is formed at the center of the convex surface of the base plate and is used for clamping the capillary tube passing through the base plate. A step is arranged at the capillary tube, wherein the step corresponding to the circular recessed bench is installed in the circular recessed bench. According to the invention, on the basis of the changing design of the base plate and the capillary tube, the traditional design thinking as well as the existing phenomenon of usage of two steps in the existing product in the prior art are broken through. Because only one step is design, a phenomenon of deformation of the inner wall with two steps of the capillary tube in the prior art can be changed fundamentally, so that the leakage risk caused by riveting deformation can be directly eliminated.

The invention discloses a frying-roasting device which is convenient for exhausting oil. The frying-roasting device comprises a pedestal used for assembling a roasting tray and a heating device of the roasting tray as a whole, a roasting tray arranged on the pedestal and a heating device arranged under the roasting tray; the frying-roasting region of the roasting tray is provided with an oil drain hole which penetrates the upper surface and the lower surface of the roasting tray; an oil drain channel is formed under the oil drain hole and penetrates and stretches out of the pedestal. The frying-roasting device makes breakthrough in the habitual design thinking of the industry, creatively adopts a structure of oil drain hole to replace the design idea of slanting the roasting tray for draining oil and simplifies the structure of the whole frying-roasting device, thereby lowering cost.

This invention provides a design method for independently regulating positions of channels and pass-bands in filters, which applies a symmetrical structure based on Fabry-Perot standard piece. Different from traditional narrow band filters and band-pass filters, it regulates positions of the channels and pass-bands by altering thickness of the middle layers to overcome position coherent phenomenon when adjusting the positions on the basis of coexistence. This invention introduces the design thinking and structure of the filter.

The invention discloses a packaging parasitic parameter extraction method suitable for high speed IC-QFN packaging design utilization to extract electrical parameters of lead frames and bonding metal wires in a packaging structure. The parasitic parameter extraction method comprises the following steps of building QFN packaging three-dimensional physical models with different design sizes; utilizing an electromagnetic field full wave analytical method to extract scattering parameters of the QFN packaging structure in a certain frequency band range; building equivalent circuit models of the lead frames and the bonding wires; fitting out RLC lumped parameters of the equivalent circuit models through the extracted scattering parameters; summing up and sorting out an electric parameter data list of the lead frames and the bonding metal wires on different design conditions; building a mathematic model of physical parameter change related to the electric parameters through data analysis and the fitting algorithm; and finally extracting the parasitic parameters under any sizes. The parasitic parameter extraction method is simple and distinct in design thinking, and the electric parasitic parameters of the lead frames and the bonding metal wires with any sizes can be extracted directly without software simulation after the model is built, so that the flexibility of the packaging design is improved.

The invention relates to the technical field of mechanical design and manufacture of an accelerator beam transporting line electromagnet system, in particular to a high-accuracy three-combination quadrupole lens. The high-accuracy three-combination quadrupole lens comprises a composite unit peripheral framework; a high-accuracy quadrupole lens is arranged in the composite unit peripheral framework by a connecting rod and a stainless steel block; a magnet coil is arranged inside the high-accuracy quadrupole lens; an electrical connecting plate which is connected with the magnet coil is arranged at the lower part of the high-accuracy quadrupole lens; a linear guide rail seat, a rolling guide rail seat and a moving plate are arranged at the upper part of the composite unit peripheral framework; a linear guide rail is arranged on the liner guide rail seat; and a rolling guide rail is arranged on the rolling guide rail seat. High requirement on physical experiments for the engineering manufacture is realized by adopting a bran-new design thinking and a mechanical structure and selecting a reasonable technology and a manufacture mean. Specific schemes and experiences are provided to research institutions and enterprises for manufacturing the quadrupole lens with high accuracy. The high-accuracy three-combination quadrupole lens can reach the micron level installing precision and thestability required by experiments.

The invention discloses a content-customizable field-based stream matching method. The method includes the following steps that: a network user autonomously customizes a data stream format for streammatching; the customized data stream format is reported to a control plane; matching fields in a first stream table in the customized data stream format are matched with corresponding fields in data streams to be matched according to the matching fields; data stream types are distinguished according to protocol types in MAC headers, and the distinguished data streams are forwarded to a corresponding stream table group for further matching; if the matching of the data streams to be matched is successful, a switching device forwards the successfully-matched data streams, makes the data streams skip to another stream table, reports the data streams to the control plane or perform deep analysis operation on the data streams; and if the matching of the data streams to be matched fails, the datastreams of which the matching fails are reported or discarded. The above method has good flexibility and scalability while being compatible with an existing network, can greatly broaden the design thinking of network researchers, and is of great significance for the future research of the Internet.

The present invention relates to a reagent storing box and a reagent refrigerating system, which belongs to the field of biologic detecting instruments. The reagent storing box comprises an on-off structure on a box wall. The reagent storing box is characterized in that the on-off structure comprises two parallel plates which move oppositely and are overlapped, and through holes mutually communicated are arranged on the two parallel plates. The present invention designs a special on-off structure for the reagent storing box. By the through holes on the two parallel plates which move oppositely and are overlapped, the opening and the closing are oppositely realized, and the low-temperature refrigerating performance is ensured well. At the same time, the reagent refrigerating system obviously improves the low-temperature refrigerating ability of a refrigerating chamber, and optimizes the on-off structure of the refrigerating chamber. Thus, disadvantages at the present marketing are solved radically, and the present invention is an important component part. The present invention has the advantages of simple structure, smart design thinking, stable insulation, exact control and the like.

The invention discloses a wire row processing production line which comprises production equipment for producing wire rows. The production equipment comprises a first winding machine, a stroking straightening machine, a plastic packaging machine, a water cooling tank, a code spraying machine, a pulling machine, a second winding machine, a first conveyor belt, a first punching machine, a second punching machine, a second conveyor belt, a goods shelf, a hydraulic machine, a third conveyor belt, an injection molding machine and a fourth conveyor belt. The wire row processing production line has the advantages that four rows of cables can be effectively produced together by the wire row processing production line in the design, and accordingly the production efficiency can be improved; the integral wire row processing production line is compact in structure, and accordingly production can be facilitated; the cables can be processed and produced step by step by the wire row processing production line in the design, reasonable devices are used with one another, and accordingly the cost can be reduced during production; injection molding can be carried out on specific plastic components at skinning locations, accordingly, different structures can be processed, the wire row processing production line is reasonable in integral design thinking, and innovation points are novel; the cost can be reduced during wire row processing, the production efficiency can be improved during wire row processing, and accordingly the wire row processing production line is high in practicality.

The invention provides a space intelligent attitude control aircraft. The aircraft comprises a power source cabin used for supplying power to other cabin devices, a load cabin used for loading a loaddevice, an engine cabin and a control combination cabin, wherein according to task needs and the attitude of the aircraft, through an engine switch of the engine cabin, rolling, yawing and pitching attitude control is achieved. The load cabin, the control combination cabin, the engine cabin and the power source cabin are in series connection from the head of the aircraft to the tail of the aircraft in the axial direction of the aircraft, the engine cabin has no cabin shell, and the engine is directly exposed outside. Modular and platform design thinking is adopted, and miniaturization, generalization and high reliability of the device are achieved.

The invention discloses an automotive front auxiliary frame structure. The automotive front auxiliary frame structure comprises a front auxiliary frame upper plate (1) and a front auxiliary frame lower plate (2), and flanges as reinforcing structures are respectively arranged on the front auxiliary frame upper plate (1) and the front auxiliary frame lower plate (2) and are connected with each other by seam welding. By the technical scheme, the automotive front auxiliary frame structure is simple, scientific and reasonable in overall layout, convenient to manufacture and simple in machining technology, and the production cost is greatly reduced; based on lightweight design thinking, the use amount of materials is reduced, and the manufacturing cost of the automotive front auxiliary frame is reduced effectively; the weight of an automobile body is reduced, and fuel economy of a whole automobile is improved; the reinforcing structures such as bosses and the flanges are arranged, stress concentration at positions where the front auxiliary frame is connected with a swing arm, a stabilizing rod and the like is reduced, so that risks of fatigue cracking of the front auxiliary frame are greatly reduced, requirements of strength and rigidity are met, meanwhile, the structure is simplified, and safety and stability of the front part of the automobile are improved.