18results about How to "Short development cycle" patented technology

This utility model relates to the field of IoT secure communication technology, and in particular to a secure cellular communication device with dedicated hardware encryption, comprising a module board and a cellular communication chip, a hardware encryption chip, and a USB hub integrated on the module board. The data transceiver interface of the cellular communication chip is connected to the physical interface of the module board, and the USB hub is connected to the module board, the cellular communication chip, and the hardware encryption chip respectively. This utility model provides a secure cellular communication device and system with dedicated hardware encryption that features simple hardware expansion, low R&D investment, compliance with national cryptographic level 2 security certification, simplified encryption and decryption process, and significantly improved performance.

The embodiment of the present application provides a storage faucet waterway structure and a shower device. The storage faucet waterway structure comprises a mixed valve assembly, a water outlet valve assembly and at least two water inlet joint assemblies which are respectively formed. The water inlet of the water inlet joint assembly is used for allowing external water to flow in. The water outlet of the water inlet joint assembly is communicated with the mixed inlet of the mixed valve assembly to transport the external water into the mixed valve cavity of the mixed valve assembly for mixing. After the mixed water is transported to the water outlet valve assembly through the mixed outlet of the mixed valve assembly, the mixed water is discharged for use by a user. Meanwhile, in the embodiment, the corresponding water outlets and mixed inlets and the mixed outlets and water outlet valve inlets are directly connected through a formed pipe which is formed by machining, so that a mold does not need to be developed to integrally manufacture the storage faucet waterway structure. Therefore, the whole manufacturing cost is low, the development period is short, and the machining difficulty can be reduced.

The embodiment of the invention provides a signal processing device and method and a chip, and the device comprises a signal generation module, a counting module, a register module, a control module and an audio processing module, and the signal generation module is used for generating a first clock signal according to a first frequency control word; the counting module is used for counting a first number of first clock signals in N preset clock periods by adopting a circular windowing mode, and storing the first number into the register module; the control module is used for acquiring the first number from the register module, comparing the first number with a preset clock period to obtain a comparison result, and determining an adjustment strategy corresponding to the first frequency control word according to the comparison result, so that an input clock signal and an output clock signal of the audio processing module are kept in a fixed phase; the problem that the deviation of the output clock signal in one direction becomes larger and larger is avoided, and the problem of sound interruption is solved, so that high-quality signal transmission of an audio system is realized.

This utility model discloses a hose and end cap assembly device, relating to the field of medical device assembly. Specifically, it includes a frame, with a hose fixing device at the front end of the upper part of the frame, an end cap fixing device at the middle section of the upper part of the frame, and a pushing device at the rear end of the upper part of the frame. The hose fixing device, end cap fixing device, and pushing device are arranged sequentially and correspondingly. A switching power supply, a solenoid valve, and a controller are arranged at the lower part of the frame. The switching power supply, solenoid valve, controller, and pushing device are electrically connected. This assembly device has a simple structure, short development cycle, low cost, and is easy for operators to control. Furthermore, this device greatly improves assembly efficiency and quality.

This invention belongs to the field of biomedical technology and relates to a novel use of chlorpropamide, particularly its use in the preparation of antiviral drugs for influenza. This invention verifies the antiviral efficacy of chlorpropamide using a host-targeting strategy. Experiments have confirmed that chlorpropamide exhibits low cytotoxicity, can target the early stages of influenza virus replication, inhibits viral protein and gene expression, regulates the host inflammatory response, and significantly inhibits the replication of H1N1 PR8 influenza virus in vitro. Chlorpropamide is a major component of commercially available hypoglycemic drugs, with a well-established safety profile, short development cycle, and low cost. It can circumvent the bottleneck of viral resistance and has significant clinical value in the preparation of antiviral drugs for influenza.

The application provides a radio frequency current probe with high flatness based on a coplanar waveguide structure, also called a 1Ω probe. The probe directly contacts a ground pin of a chip, collects a radio frequency (RF) current signal generated in a ground plane and returned by a circuit, and then transmits the signal to a spectrum analyzer or an EMI receiver to measure a corresponding RF voltage value. According to a conversion coefficient R, the voltage value can be converted into a corresponding current value. The radio frequency current probe can directly contact a chip pin, 1Ω input impedance is realized by using a multi-resistance parallel technology, current resistance of the probe is improved, and the influence of a lumped resistance parasitic effect is reduced, so that a probe insertion loss S21 fluctuates by not more than ±2dB in a frequency range of 150kHz-1GHz. The design process adopted by the application is a mature printed circuit board and CNC process, and has the advantages of portability, replicability, low cost, short development cycle and the like for batch production requirements.

The application relates to a method for installing and implementing a lamp failure automatic identification system. The method comprises the following steps: S01, installing a building lamp, installing the lamp on the building; S02, installing a master controller, a sub-controller and a distribution box, sequentially connecting the distribution box, the master controller, the sub-controller and the building lamp; S03, performing lamp debugging; S04, monitoring installation, installing a camera for monitoring, the camera is arranged to face the building, and all the building lamps can be seen in the camera picture used for monitoring; S05, determining the specific position of the lamp; S06, regularly checking lamp failure, analyzing and identifying the lamp failure through the video / picture captured by the camera; and S07, confirming the lamp with failure by adopting an optimization learning algorithm, and feeding back the position of the lamp with failure to a user. The lamp position is automatically analyzed accurately through the combination of software and hardware, optimization learning and other modes, the scheme is resistant to outdoor light interference, and the error rate of judging the lamp failure position is low.

This invention discloses a connection circuit and expandable module based on the USB4 standard. The technical problem it aims to solve is to meet the needs of different peripheral combinations, improve signal stability during high-speed data transmission and extended connections, and reduce costs. The invention adopts the following technical solution: a connection circuit and expandable module based on the USB4 standard, consisting of a USB4 standard link circuit and an expandable module connected together; the USB4 standard link circuit includes a USB4 interface, a data processing unit, a dynamic splitting unit, and a system management unit. Compared with existing technologies, this invention uses a USB4 standard link circuit and expandable module, and utilizes the data processing unit, dynamic splitting unit, and system management unit to select and combine different expansion interfaces according to actual needs, dynamically allocate resources, meet the needs of different peripheral combinations, shorten the development cycle, improve the compatibility and resource utilization of the interface circuit equipment, improve signal stability during high-speed data transmission and extended connections, and reduce costs.

The utility model discloses a kind of pneumatic tension quick measuring device, it is related to medical product detection device technical field, the device includes front plate, middle plate, limiting adjusting plate and back plate, the front plate, middle plate, limiting adjusting plate and back plate are sequentially connected by several connecting shafts, sliding block is arranged between the front plate and middle plate, the sliding block is sleeved on connecting shaft, sliding block mounting plate is fixedly arranged on the upper surface of the sliding block, positioning block is fixedly arranged on the upper surface of the sliding block mounting plate, the upper surface of the middle plate is provided with limiting head, the product to be measured is fixed on positioning block and limiting head, controller is arranged on the rear surface of the back plate, cylinder, drive rod and dynamometer are sequentially arranged on the front surface of the back plate, controller controls drive rod to drive dynamometer to move backward, dynamometer synchronously drives the product to be measured to stretch backward, and then whether the measured product is observed to fall off or damage, realize the tension quick measuring, convenient to use, greatly improve detection efficiency.

This utility model discloses a locally adjustable enhanced heat dissipation liquid cooling plate, including a liquid cooling plate body and turbulence fins for achieving localized turbulence. The liquid cooling plate body includes a flat plate and a flow channel plate. The flow channel plate is a stamped integral structure with multiple flow channel grooves on its body. The flat plate and the flow channel plate are fixed together by brazing, forming a flow channel cavity for coolant flow between the flat plate and the flow channel grooves. An inlet and an outlet communicating with the flow channel cavity are respectively provided on both sides of the flat plate. The turbulence fins are installed in the flow channel cavity to achieve localized turbulence of the coolant within the cavity. This locally adjustable enhanced heat dissipation liquid cooling plate reduces design and mold costs, shortens design time, improves design efficiency, and shortens the design and development cycle. While achieving effective heat dissipation, it also saves costs to a large extent, making it highly practical.

This invention discloses a method, apparatus, equipment, and medium for producing pickled steel with excellent phosphating performance. The production method includes: obtaining initial production process parameters, phosphating performance requirements, and mechanical property requirements for a new pickled steel product; inputting the initial production process parameters into a pre-constructed performance prediction model to predict the theoretical phosphating performance and theoretical mechanical properties of the new pickled steel product produced using the initial production process parameters; modifying the initial production process parameters when the theoretical phosphating performance or theoretical mechanical properties do not meet the requirements, until both the theoretical phosphating performance and theoretical mechanical properties meet the requirements, and then determining the modified initial production process parameters as the actual production process parameters; and producing the new pickled steel product according to the actual production process parameters. This method can achieve the production of new pickled steel products with excellent phosphating performance, and has a short development cycle.

The application belongs to the field of new energy vehicle motor control, and particularly relates to a cascaded driving system, a control method, equipment and a storage medium. The driving system comprises: a plurality of motor controller modules and driving motors, each motor controller module is connected with a driving motor; the motor controller modules are connected in series; the motor controller module comprises a support capacitor and an inverter unit; two ends of the support capacitor are respectively connected with positive and negative poles of a direct current power supply, and the support capacitor is connected in parallel with the inverter unit; an insulating pad is arranged on a stator of the driving motor, and an insulating bearing is adopted for a rotor of the driving motor. The application has the effect that low-voltage inverters can be used in high-voltage applications.

The application discloses an engine multi-vehicle type adaptive NVH quality optimization method and system, and belongs to the technical field of automobile engine debugging. The method comprises the following steps: after an engine is installed to a vehicle to be adapted, vehicle working condition data are collected in real time, the vehicle working condition data comprising a vehicle speed, a throttle opening degree, an engine speed, a gear position, a hydraulic torque converter locking state and an oil temperature signal; whether the engine enters a noise sensitive working condition is identified by comparing the vehicle working condition data with working conditions of the noise sensitive working condition; when the engine enters the noise sensitive working condition, an NVH control strategy embedded in an engine electronic control unit is activated; the NVH control strategy comprises adjusting an engine ignition angle and fuel injection parameters; the engine is controlled according to the ignition angle optimization control instruction and the fuel injection parameter optimization instruction; when the vehicle drives out of the working conditions of the noise sensitive working condition of the engine or gear shifting is completed, normal combustion control logic is restored. The method effectively reduces the in-cylinder pressure rise rate, thereby inhibiting structural knocking noise in the range of 150-600 Hz.

The invention relates to the technical field of laser radars, and particularly provides an FMCW laser radar light source modulation system, which comprises two linear frequency modulation light sources used for providing two beams of frequency sweeping lasers with synchronous frequency sweeping periods, opposite frequency sweeping directions and linearly changed frequencies; the coupler is used for coupling the two beams of frequency sweeping laser to form coupled light; and after the coupled light enters the first amplifier, the coupled light generates a new frequency component sideband based on a four-wave mixing effect, and the new frequency component sideband with a preset order is filtered and amplified to serve as a laser radar light source. Based on a four-wave mixing effect of a semiconductor optical amplifier (SOA), a larger scanning bandwidth of a light source is realized under the condition that noise and line width are hardly influenced, so that higher detection resolution and detection precision are achieved.

The utility model provides a mechanism for die-cutting gum, which is conveniently applied to a small-batch trial-manufacture verification or evaluation scheme stage, and reduces the research and development cost. The jig comprises a jig bearing plate which comprises an upper plate and a peripheral frame plate, and the peripheral frame plate is arranged on the periphery of the upper plate; a bottom sealing plate; a stripper plate; a gas circuit switch; and a vacuum generator; the bottom of the jig bearing plate is fixedly installed on the bottom sealing plate, the upper plate, the peripheral frame plate and the bottom sealing plate are combined to form an inner cavity, a plurality of sets of gum positioning grooves are formed in the center area of the upper plate, the gum positioning grooves are arranged in a shape corresponding to gum in shape, a plurality of air suction holes are distributed in the lower surfaces of the gum positioning grooves, and the air suction holes are communicated with the inner cavity. An air suction hole is formed in the upper plate of the jig bearing plate and communicated with the inner cavity, a stripper plate is arranged on the upper surface of the upper plate of the jig bearing plate, profiling stripping grooves are formed in the positions, corresponding to the gum positioning grooves, of the stripper plate, and one profiling stripping groove corresponds to the upper portion of each gum positioning groove.

The utility model discloses a split riveting forming's counter lock knob axle, including knob outer cover, knob inner cover and lock axle, knob outer cover and knob inner cover mutually lock together and form the rotation -proof limit position cooperation, and knob inner cover is equipped with riveting hole, and lock axle is equipped with riveting post, and both pass through cold riveting and fix. Lock axle is by metal sheet material through continuous stamping, cutting, stamping and coiling procedure integral forming, and the outer circumference is equipped with dovetail groove and annular groove, and the end is equipped with the metal cover plate with recess. Knob inner cover is equipped with the boss of stamping and forming on, knob outer cover, knob inner cover are all metal sheet material through stamping, deep -drawing and forming's hollow cylinder structure, and the circumference surface of knob outer cover is equipped with antiskid groove or upper end is equipped with smooth flat operation part. The utility model discloses adopt continuous stamping to replace traditional aluminum die casting, and material utilization is high, and production efficiency is high, and riveting connection firm, transmission stable, is applicable to various handle locks, anti -theft lock, house door lock and so on mechanical lock, and the comprehensive cost and reliability are obviously superior to die casting product.

The utility model discloses a kind of shock absorber sealing parts of intelligent driving based on finite element method, it is related to sealing part technical field, including sealing ring body sealing part, shock absorber cylinder body sealing part and shock absorber piston sealing part, the sealing ring body sealing part is located inside shock absorber piston sealing part recess, still including with the outer convex ring sealing part of shock absorber piston sealing part inner wall interference fit and with the inner convex ring sealing part of shock absorber cylinder body sealing part outer wall interference fit, the inner wall of the inner convex ring sealing part is equipped with inside small protruding sealing part, and the outer wall of outer convex ring sealing part is equipped with outside small protruding sealing part. The utility model can more reliably support sealing ring body sealing part under the action of lower convex ring sealing part and upper convex ring sealing part when bearing internal pressure change, especially high pressure, avoid sealing lip to extrude into the gap between shock absorber cylinder body sealing part and shock absorber piston sealing part, improve the durability of sealing function.

This invention relates to the field of power battery manufacturing technology, and discloses a lower casing for a power battery and its design and manufacturing process. The casing includes a stainless steel frame with a liquid cooling plate and a bottom protective plate sequentially arranged at its bottom. The stainless steel frame comprises a sleeve side beam and an electrical compartment side beam. The sleeve side beam is formed by bending to create at least three side walls of the stainless steel frame. The electrical compartment side beam is connected to the sleeve side beam to form the outer frame of the stainless steel frame. The sleeve side beam is manufactured using a tube rolling process, resulting in a simple cross-sectional structure, low manufacturing cost, and short development cycle. The lower casing uses bending technology at its boundary corners, reducing welding and thus minimizing deformation caused by welding. The overall structure of the lower casing is stable, with a high first-pass yield, reducing the frequency of manual rework, good corrosion resistance, and lower manufacturing costs.