11results about How to "Meet the design" patented technology

The invention discloses an earthquake monitoring linkage triggering device, and the device comprises an earthquake intensity instrument which is used for collecting an earthquake signal and outputting earthquake intensity; the sensor is used for collecting seismic activity data; the data acquisition host is used for processing the seismic intensity and the seismic activity data and transmitting the seismic intensity and the seismic activity data to the upper computer; and the upper computer is used for receiving, analyzing and displaying the seismic data. According to the invention, high-performance modular hardware is utilized, efficient and flexible software is combined to complete various testing work, signals of acquisition equipment are displayed and stored through the upper computer, seismic wave acquisition information is fused, data analysis and judgment are carried out, and earthquake monitoring can be comprehensively and automatically realized.

The invention relates to the field of portable heat dissipation, in particular to a neck-hanging fan which comprises a fan, a ventilation channel, a first air inlet and a first air outlet, the first air inlet and the first air outlet are communicated with the ventilation channel, and the fan is arranged in the ventilation channel. The fan runs, air flow penetrating through the ventilation channel is formed between the first air inlet and the first air outlet, and the direction of the rotating center axis of the fan is consistent with the direction of the air flow; at least two silencing devices are arranged in the ventilation channel, at least one silencing device is arranged between the first air inlet and the draught fan, and at least the other silencing device is arranged between the draught fan and the first air outlet. The neck-hanging fan can achieve the effects of high wind speed and low noise, and can effectively reduce the influence of high-frequency noise on a user so as to improve the user experience.

The utility model relates to a motor accessory, in particular to a motor support, which solves the problem of structural design of the motor support. Comprising a base and an end cover which are fixedly assembled, the base is of a cylindrical structure, the base is provided with a cylinder extending integrally in the axial direction, the cylinder is provided with a connecting hole penetrating through the base, the end cover is provided with a plug corresponding to the position of the connecting hole, the plug is provided with a sealing hole communicated with the connecting hole, the sealing hole is in butt joint with the connecting hole, and the connecting hole is communicated with the connecting hole. A sealing hole is formed in the end cover, a connecting hole is formed in the end cover, a smooth connecting contact face is arranged on the hole wall of the sealing hole and the hole wall of the connecting hole, a cavity for containing a motor is formed in the position, between the sealing hole and the connecting hole, of the base, the end cover and the base are fixed in an embedded mode, and a positioning part for limiting circumferential rotation is arranged at the end, connected with the base, of the end cover. And meanwhile, a rail mounting and embedding assembly mode is assisted, so that the mounting stability and the disassembly and assembly convenience are improved, the overall structural strength is ensured, and the design and use requirements are met.

The invention provides a PCB interconnection system parameter determination method comprising the following steps: obtaining first parameter information required by a to-be-designed PCB interconnection system, the first parameter information being used for limiting the structure and signal quality requirements of the to-be-designed PCB interconnection system; the parameter information is input into a first model, second design parameters of interconnection system design are output after operation of the first model, the first model is determined based on neural network training by using interconnection design information, and the interconnection design information is related to physical meanings represented by the first parameter information; wherein the second design parameters are used for constructing the PCB interconnection system, and the second design parameters are used for influencing the quality and speed of PCB internal signal transmission, signal transmission between PCB internal signals and onboard equipment, and signal transmission between the PCB and off-board equipment in the design of the PCB interconnection system. The invention further provides a PCB interconnection system parameter determination device.

The application provides a kind of based on multi-task learning's submarine pipeline flow field prediction method and system, comprising: using variable scaling physical information neural network framework, construct the multi-task learning model for solving cylinder flow problem;Total loss function of multi-task learning model is constructed, and the adaptive loss function weighting method based on uncertainty estimation is used and the weight growth factor is introduced, to dynamically allocate weights for each loss term in the total loss function, obtain the final total loss function;Physical information neural network is trained based on the final total loss function, and the trained physical information neural network is obtained;Based on the trained physical information neural network, the target submarine pipeline flow field is predicted, and the prediction result is obtained;Wherein, the prediction result includes the velocity component and pressure distribution of the flow field around the flow field.The application has higher prediction accuracy and reliability compared with the prior art when solving the problem of submarine pipeline hydrodynamic analysis.

The invention discloses a medical cobalt-based alloy with high strength and high specific gravity, which relates to the field of cobalt-based alloys and comprises the following chemical components in percentage by mass: 19.0 to 21.0 weight percent of Cr, 9.0 to 11.0 weight percent of Ni, 14.0 to 16.0 weight percent of W, 2.0 to 11.0 weight percent of Ta, 1.5 to 2.5 weight percent of Cu, 1.0 to 3.0 weight percent of Fe, less than or equal to 0.05 weight percent of C, less than or equal to 0.4 weight percent of Si, less than or equal to 0.01 weight percent of P, less than or equal to 0.01 weight percent of S and the balance of Co. A proper amount of Ta and Cu elements are added into the cobalt-based alloy, the characteristics of solid solution strengthening and high density of the Ta element are utilized, and the biological function of the Cu element is combined, so that the cobalt-based alloy for the intravascular stent with high strength, high density and the function of inhibiting in-stent restenosis is developed, and the cobalt-based alloy has an excellent developing effect under X-rays and can be used for preparing the intravascular stent. Meanwhile, the excellent mechanical property is also realized.

The utility model discloses a modularized LVDT sensor comprising a through pipe and a plurality of analog-to-digital units, the plurality of analog-to-digital units sleeve the outer side of the through pipe in parallel to form a stator winding, and a rotor iron core is arranged in the through pipe in a penetrating manner; the rotor iron core comprises a core rod coaxially extending into the through pipe, a plurality of core sleeves are coaxially arranged at the end of the core rod, a screw penetrating through the core sleeves is fixed to the end of the core rod, and the outer end of the screw is detachably connected with a guide head supporting the core sleeves. The beneficial effects of the utility model are that the LVDT assembly reduces the types of LVDT assemblies through the combination of the analog-to-digital units, improves the consistency of product performance through batch manufacturing of standard units, further improves the design and production efficiency of LVDT sensor products, reduces the production cost, shortens the production cycle of sensors, reduces the manpower consumption, does not need to customize a winding structure according to the products, and reduces the production cost. Consistency of LVDT sensors of the same model is improved, and replaceability can be achieved conveniently when the LVDT sensors are matched with transmitters for use.

The application provides a cross-duct thermocouple type temperature sensor, and belongs to the technical field of sensors, comprising a armored thermocouple installed in an inner duct, a special-shaped armored cable for transmitting signals in the inner and outer ducts, and a stepped armored cable in the outer duct, which are sequentially connected; the stepped armored cable comprises a stepped shell, a bushing and a cable; the stepped shell comprises a first shell and a second shell connected with each other, the first shell and the second shell are sleeved on the cable, the bushing is arranged between the second shell and the cable, a plurality of bushings are arranged in parallel along the axial direction of the cable, and gaps are arranged between adjacent bushings. The first shell comprises a first section, a second section and a thick section designed in one piece, the thick section is located between the first section and the second section, the second shell is cylindrical, the second shell is sleeved on the second section, and the length of the second shell is greater than the length of the second section. The application improves the structural stability and signal transmission reliability, and has the characteristics of light weight.

The utility model discloses a kind of automobile crossbeam and longitudinal beam lap joint rear side plate mould, including lower mould, upper mould, guide pillar, locating groove, buffer block, a kind of automobile crossbeam and longitudinal beam lap joint rear side plate mould, automobile crossbeam and longitudinal beam lap joint rear side plate mould are shaped using sequence mould, lower mould side is equipped with upper mould, guide pillar is equipped between upper mould and lower mould, guide pillar is fixedly connected on lower mould, upper mould is slidably connected on guide pillar, locating groove is equipped on lower mould and upper mould, locating groove is integrally formed on lower mould and upper mould, buffer block is equipped on lower mould and upper mould, buffer block is equipped with two groups respectively fixedly connected on lower mould and upper mould, so that material is successively punched forming by six times mould, product completion degree is high, reduce the number of defective products and non-conforming product specifications, and more fine design can be satisfied.

The present invention discloses a multi-objective antenna array optimization design method in the field of antenna transmission efficiency, comprising the following steps: establishing a transmitting antenna array and a receiving antenna array model in a simulation software; performing a full-wave simulation, and obtaining a scattering matrix S of the antenna system after the simulation is completed; calculating the optimal excitation distribution of the antenna corresponding to the desired focusing effect; and calculating the corresponding antenna system transmission efficiency T. array ; Verify whether the expected focus effect is obtained. The method of the present invention adopts the weighted constrained maximum power transmission efficiency method to maximize the system power transmission efficiency while generating the desired focusing electric field distribution pattern in the open area, wherein the number of focuses and their spatial positions can be controlled by modifying the power weight coefficient received by the receiving antenna, which can meet the array antenna design under specific scenario requirements. Compared with other methods for optimizing antenna power transmission efficiency, the calculation time is greatly reduced.

The present disclosure relates to a continuous light source modeling method, system, storage medium and electronic device, the continuous light source modeling method comprises a bottom physical model based continuous light source modeling method for phase noise, when the phase noise is small and far away from the boundary value, the bottom physical model based continuous light source modeling method uses normal distribution to simulate the random change of the phase noise.