51 results about "Terminal design" patented technology

The invention discloses a digital aeronautical communication system design based on a cellular-free network architecture, which belongs to the technical field of aeronautical communication and comprises an aeronautical communication system and a communication service execution module. The aeronautical communication system comprises a network infrastructure and a communication link layer and is responsible for providing underlying physical connection and transmission environment support. The communication service execution module covers a network protocol and information interaction and task execution process; the network infrastructure adopts distributed AP topology planning, airport and route area APs are deployed in a differentiated manner, and parameters are dynamically adjusted in combination with a three-dimensional coverage optimization model; and software and hardware modules comprise ground APs and airborne terminals, so that the problems caused by high-speed movement are solved. The communication link layer carries out multi-dimensional channel modeling, and LDPC code coding and dynamic cluster generation are adopted. The working process comprises the steps of initialization, cluster construction, state monitoring and the like, stable communication in the whole flight process is achieved, and the aviation communication efficiency and safety are improved.

The invention discloses an electrothermal aging test method and device for simulating the space charge effect of a cable terminal. The method comprises the following steps: S1, treating a cable sample; s2, constructing an electric heating aging platform; s3, carrying out five aging stage tests on the cable sample; s4, carrying out space charge detection on the cable samples at different aging stages; s5, analyzing correlation between a space charge accumulation rule and insulation degradation based on a charge mobility formula and an injection current formula; according to the invention, the actual working condition of the cable terminal is accurately simulated through the electrothermal collaborative aging platform, and the limitation that the space charge evolution law is difficult to reproduce in the traditional method is overcome; a weighted all-phase averaging method is adopted to process signals, and an arc-shaped sensor and a frequency domain deconvolution algorithm are combined, so that interference is effectively filtered out, and the detection stability and accuracy are improved; through correlation of charge accumulation and insulation degradation processes, an insulation failure mechanism is disclosed, fault early warning is realized, and theoretical and test support is provided for design optimization, life evaluation and operation and maintenance of the cable terminal.

The application discloses a smart air valve hydraulic assembly, and belongs to the technical field of valve device safety, which comprises an air valve, a sensing device and a smart monitoring terminal, wherein the sensing device is arranged on a valve and / or the periphery of the valve and is connected with the smart monitoring terminal, and the smart monitoring terminal is connected with a power supply device. The air valve, the sensing device and the smart monitoring terminal are designed as an integrated hydraulic assembly, high-frequency transient parameter data acquisition can be realized, the smart monitoring terminal completes data acquisition and analysis processing, and the collected data and analysis results are selectively uploaded according to an uploading strategy; the smart monitoring terminal can analyze data by using an AI technology, identify water hammer risks and equipment health, and has the characteristics of low energy consumption.

The invention discloses a high-sensitivity passive sensing terminal design method, and belongs to the technical field of passive sensing of the Internet of Things. The method is used for solving the problems of unstable energy collection, insufficient energy storage and easy task interruption of the passive terminal under the condition of ultralow input power. The method comprises an energy acquisition unit, an energy management and storage unit composed of a long-term energy storage capacitor and a short-term energy storage capacitor, and a sensing terminal unit. The system charges the two capacitors at the same time in the dormancy stage; the system is awakened in a preset time through a low-power-consumption timing mechanism, the capacitor voltage is detected, and main power supply is switched on only when the two reach a power-on threshold value, so that the terminal executes a sensing and communication task once. In the task process, when the voltage of any capacitor is reduced to a power-off threshold value, the system immediately closes main power supply and enters the energy storage stage again. Efficient energy collection and reliable energy storage are achieved through a double-capacitor structure and a double-threshold mechanism, tasks can be stably completed under limited energy, and the low-power-consumption wireless sensing device is suitable for low-power-consumption wireless sensing application.

The invention relates to the technical field of cable terminal design, and particularly provides an optimization design method of a cable terminal tail structure. The method comprises the steps that COMSOL simulation software is used for establishing an electricity-heat-flow multi-physics field coupling model of the direct-current cable terminal, optimization design is conducted on the tail structure of the cable terminal based on the model, and the optimization design comprises metal sheath recovery and optimization design of forming a heat dissipation window in a cone support. Then, carrying out simulation analysis on the natural convection flow velocity of the tail pipe air, the air temperature distribution of the tail pipe and the mechanical stress distribution before and after the tail structure of the cable terminal is optimized, and verifying the heat dissipation effect and the mechanical stress distribution of the tail structure of the cable terminal after the optimization design through the simulation analysis; therefore, the cable terminal can achieve the optimal heat dissipation effect in various application scenes. According to the method, a theoretical basis is provided for tail structure design, the cable terminal with good heat dissipation efficiency can be designed through the method, and meanwhile installation convenience and mechanical safety in actual operation are both considered.

A power tool includes a printed circuit board (PCB). The PCB includes a terminal configured to electrically couple to a wire to electrically couple a first component of the power tool with a second component of the power tool. The terminal extends away from the PCB to allow the wire to connect to the terminal with a lower amount of wire bends and / or a greater amount of wire bend radius compared to the wire being connected to the terminal at a location on the PCB where the terminal is located. The terminal includes a first end portion connected to the PCB, a second end portion opposite the first end portion connected to the wire, and a middle portion extending between the first end portion and the second end portion. The middle portion may be surrounded by an insulative housing of a terminal clip that is attached to the PCB.

A monolithic integrated radar microwave interface (MMIC) comprises control logic designed to place the radar MMIC into one of several operating modes, a local oscillator (LO) generation circuit designed to generate an LO signal, an LO output terminal designed to output the LO signal for LO distribution to another MMIC, and an LO distribution circuit coupled to the LO output terminal designed to receive the LO signal from the LO generation circuit and enable or disable LO distribution based on a control signal. The control logic is designed to provide the control signal to the LO distribution circuit to enable or disable LO distribution.The control signal is designed to activate the LO distribution circuit during a radar operating mode and to deactivate the LO distribution circuit during at least one calibration operating mode or one monitoring operating mode.

The application provides a ZYNQ Internet of Things terminal design method with edge AI video analysis function, and relates to the technical field of Internet of Things edge computing terminal design. The ZYNQ Internet of Things terminal design method with edge AI video analysis function comprises a ZYNQ processor, a PL end DPU video module of the ZYNQ processor, a PS end DPU control module and an AI DPU module. The ZYNQ processor is connected with the AI DPU module through the DPU video module and the DPU control module. The PS end of the ZYNQ processor collects camera video, performs decoding operation and obtains image data. The DPU video module performs format conversion and packaging on the image data, obtains video data and transmits the video data to the AI DPU module. The AI DPU module performs artificial intelligence identification on the video data, obtains AI video identification results and sends the AI video identification results to the ZYNQ processor. The ZYNQ processor comprehensively analyzes the identification results and obtains analysis results. The application can reduce the deployment time, cost and power consumption of software and hardware.

The application provides a cable terminal component construction method, device, equipment and storage medium, relates to the field of cable terminal design, and the method comprises the following steps: obtaining construction parameters of a thick-walled cylinder model corresponding to a cable terminal, determining a balance equation, a geometric equation, a constitutive equation and a boundary condition equation of the thick-walled cylinder model corresponding to the cable terminal based on the construction parameters, determining a pressure parameter of the cable terminal and a radius parameter corresponding to the cable terminal, and constructing an epoxy sleeve and a stress cone support based on the pressure parameter of the cable terminal, the radius parameter corresponding to the cable terminal, the balance equation, the geometric equation, the constitutive equation and the boundary condition equation of the thick-walled cylinder model corresponding to the cable terminal. Considering the factor of local deformation of the stress cone, the epoxy sleeve and the stress cone support are redesigned, so that the local stress cone is prevented from being subjected to large deformation, and then the interfacial pressure between the contact surfaces becomes uneven, and the phenomenon of local stress concentration occurs.

The application discloses a kind of steel wire rope nondestructive testing defect positioning identification method, mainly including probe structure design, acquisition computing terminal design and defect positioning identification algorithm design.Probe structure design avoids equipment shaking, suitable for different direct steel wire rope detection scene.Acquisition computing terminal design designs the steel wire rope detection terminal equipment for complex field.Defect positioning identification algorithm is based on the collaborative analysis of slice image and slice waveform of local defect LF and metal cross-sectional area loss LMA, according to LMA data verification for LF diagnosis result, combined with respective confidence, to obtain the final steel wire rope defect specific position and type.

The application relates to the technical field of automation and intelligent control design, and discloses a rapid control prototype design method, a system and a terminal. The design method comprises the following steps: adding a cloud service program to a lower computer; a host computer browser sends a page request to the cloud service program to construct a Web application, which comprises a model library browser, a graphical modeling area and a rapid control prototype running monitoring window; the Web application sends a graphical modeling operation to the cloud service program; the cloud service program updates the connection relationship between member components and component ports of the rapid control prototype according to the operation; the rapid control prototype running monitoring window sends a starting instruction, the cloud service program analyzes the member component port connection relationship to obtain a member component execution sequence, sequentially calls the control functions corresponding to the member components to complete controller calculation, and sends running results to the Web application in real time. The application does not need code generation, compilation and downloading, has simple software architecture, is high in usability, is low in research and development cost and is easy to maintain.

The invention relates to data layout conversion, in particular to a compiler-based aggregation type data layout automatic conversion method, which comprises the following steps of: designing a front end, defining an interface of a user program and a compiler, and realizing the interface with the compiler in a mode of declaring a function F through the user program; the translated source and target addressing architecture, the translated data type, the translated source and target data address and the translated occurrence time are informed to the compiler; terminal design: complete definition of a function F stated by a user program is completed in a compiler, so that the function F has a data layout conversion function, that is, source data is read according to an addressing architecture of the source data, and the source data is stored to a target data address according to an addressing architecture of the target data; according to the technical scheme provided by the invention, the defect of poor compatibility of data interaction and code transplantation of aggregation type data among processors with different addressing architectures in the prior art can be effectively overcome.

This application relates to the field of cable terminal design technology, specifically providing an optimized design method for the tail structure of a cable terminal. A multiphysics coupling model of the DC cable terminal based on electro-thermal-fluid fields is established using COMSOL simulation software. Based on this model, the tail structure of the cable terminal is optimized, including the restoration of the metal sheath and the optimization of heat dissipation windows on the conical support. Then, simulation analysis is performed on the natural convection velocity, air temperature distribution, and mechanical stress distribution in the tail pipe before and after the optimization. This simulation analysis verifies the heat dissipation effect and mechanical stress distribution after the optimized tail structure design, ensuring that the cable terminal achieves optimal heat dissipation in various application scenarios. This method provides a theoretical basis for tail structure design, enabling the design of cable terminals with good heat dissipation efficiency while considering installation convenience and mechanical safety during actual operation.

The embodiment of the invention provides a dynamic adaptation and active protection method for a pipe gallery cable. The method comprises the steps that a modularized and splicable dynamic adaptation type cable bearing unit with an adjustable clamping groove and a movable base is constructed; deploying a cable entanglement processing mechanism based on sensor early warning and mechanical structure automatic dredging; building an environmental response type active protection system which triggers a grading strategy according to temperature, humidity, corrosive gas and dust concentration; an integrated cable management terminal integrating bearing, early warning, dredging and protection functions is constructed; and designing a cable full-life-cycle tracing mechanism for binding the NFC tag and the bearing unit. The problems of fixed cable layout, passive entanglement dredging, lack of pertinence in protection and scattered management in the prior art are solved, dynamic adaptation, active early warning dredging, precise protection and integrated management and control of cable management are realized, the cable fault occurrence rate is remarkably reduced, the operation and maintenance efficiency is improved, and the method is suitable for cable management of various comprehensive pipe galleries.

The invention discloses a railway positioning test method and system based on multi-source information, and the method comprises the following steps: a multi-source test system plays a simulation satellite positioning signal, an auxiliary positioning instrument terminal carries out the positioning consistency test of train positioning, the auxiliary positioning instrument terminal designs an inertial navigation smooth correction algorithm, and the inertial navigation information of a train is corrected. The primary positioning test is completed, the multi-source test system plays the simulation satellite positioning signal and the deception satellite positioning signal at the same time, the auxiliary positioning terminal designs a deception diagnosis algorithm, and the final positioning test is completed; according to the scheme, the positioning test of the railway train is realized by adopting multi-source information, and the deception satellite positioning signal is diagnosed by calculating the consistency test coefficient, judging the accuracy of the positioning of the railway train, designing the inertial navigation smooth correction algorithm and eliminating the deviation of the inertial measurement unit when the final positioning test is carried out and designing the deception diagnosis algorithm. The positioning precision of the railway train is improved, and the accuracy of the whole positioning test method is improved.

A novel four-fusible integrated terminal shell structure comprises a first shell, a middle shell and a second shell which are sequentially arranged and detachably connected, the adjacent surfaces of the first shell and the middle shell and the adjacent surfaces of the middle shell and the second shell are matched to form a cavity for placing electrical elements; the surface, away from the first shell, of the middle shell is the same as the surface, close to the middle shell, of the first shell in structure, and the surface, away from the second shell, of the middle shell is the same as the surface, close to the middle shell, of the second shell in structure. A first mounting seat and a second mounting seat are oppositely arranged on the adjacent surfaces of the first shell and the second shell, a first mounting seat and a second mounting seat which are matched with the middle shell are oppositely arranged on the adjacent surfaces of the first shell and the second shell of the middle shell, and a switch assembly is arranged between the adjacent first mounting seat and second mounting seat of different shells. Besides the reference first shell and the reference second shell, the design requirements of terminals with various phase numbers can be freely met by changing the number of the middle shells.

A device for monitoring the operation of a solenoid valve. This device includes a circuit for powering the coil of a solenoid valve, with terminals designed for connection to the coil, a power supply switching transistor, and a measurement resistor. The device also includes a microprocessor-based measurement system that includes an analogue-to-digital converter with a consumed current measurement channel connected to the measurement resistor and a consumed current amplified measurement channel connected to the consumed current measurement channel via an adjustable amplifier. The system is designed to deactivate the power supply switching transistor when a voltage exceeding a threshold value is detected on the consumed current measurement channel, and control the gain of the adjustable amplifier so that the signal at the input of the consumed current amplified measurement channel is within the measurement range of this channel.

The utility model discloses a novel bending terminal connector, and relates to the technical field of connectors. Comprising a male connector body, the male connector body is adaptively provided with a female connector body, the male connector body comprises a first bending terminal assembly, a male connector SR block, a male connector plastic shell and a sealing ring, and the female connector body comprises a second bending terminal assembly, a female connector SR block and a female connector plastic shell. The first bending terminal assembly comprises a male connector first bending terminal, a male connector second bending terminal and a male connector third bending terminal which are inserted in the male connector SR block in a penetrating manner. According to the utility model, the integrated bending design type terminal is adopted, and the terminal is continuously bent at different angles, so that the terminal can realize a positioning function after being assembled, and the terminal can be conveniently and directly used as a connection carrier, thereby simplifying the cable connection mode, saving the working time cost, and effectively reducing the risk of poor operation.

1. Name of the design product: One-key repair terminal (based on NB-IOT). 2. Use of the design product: One-key repair terminal designed for old users, one-key repair to heating company when heating is not hot and water leakage occurs. 3. Design points of the design product: combination of shape and pattern. 4. Picture or photo that best indicates the design points: perspective view. 5. The left view is symmetrical with the right view, and the left view is omitted.

This application discloses a portable modular non-invasive spinal cord stimulation device and stimulation method. The stimulation device includes an electrode module and a stimulation module, with the stimulation module disposed on top of the electrode module and electrically connected to it. The electrode module includes a flexible substrate, a conductive contact layer, and a wire connection interface. The stimulation module includes a flexible encapsulation shell, a control unit, a power supply unit, and an electrical connection terminal. The electrical connection terminal is detachably connected to the wire connection interface and is equipped with a snap-fit ​​structure. Furthermore, the electrical connection terminal designed in this application can be located at the bottom or side of the flexible encapsulation shell; when located on the side, it is connected via a connecting wire with a cable protective sleeve. Through the above design, the integrated modular design of this application improves portability and fit, avoids motion interference, facilitates electrode consumable replacement, and is suitable for various scenarios. It can be used for pain intervention, motor function rehabilitation, etc., solving the problems of poor portability, significant motion interference, insufficient fit, and inconvenient consumable replacement of existing devices.

This utility model relates to a multi-layer terminal insert injection molding structure, wherein the structure is an electrical connector, including: a multi-layer terminal component (3), on which multiple terminal pieces (4) are provided, which are fixed in multiple layers by a positioning support structure, and each terminal piece (4) includes several terminal parts (1), each of the terminal parts (1) being fixed in a plastic shell (2) so that the multi-layer terminal component (3) and the plastic shell (2) are integrally positioned and injection molded. This multi-layer terminal insert injection molding structure of the utility model uses a special terminal design, which can effectively realize multi-layer terminal insert injection molding, and the terminal positioning can be achieved without pre-coating between the multi-layer terminals. Positioning can be completed through the combination of mold and terminal shape design, which can effectively avoid the addition of fixing parts and multiple injection molding processes, and has certain application value.

The invention discloses a mobile teaching terminal based on Internet teaching, which comprises a mobile mounting frame, a lifting guide mechanism, an angle adjusting assembly, a multimedia display screen and a stacked protective cover, and is characterized in that the mobile mounting frame is composed of a bearing plate, rollers and supporting columns, and four groups of mounting grooves are formed in the edge of the bearing plate; the four sets of rollers are evenly installed at the bottom of the bearing plate, the supporting column is fixed to the bearing plate, the lower end of the lifting guide mechanism is fixed to the supporting column, the angle adjusting assembly is installed on the lifting guide mechanism, the upper end of the angle adjusting assembly is connected with the multimedia display screen through bolts, and the stacked protective cover is installed in the four sets of installation grooves. According to the mobile teaching terminal designed by the invention, movement, automatic lifting and angle adjustment processing of the teaching terminal can be realized, and learners can learn display contents conveniently.

The utility model provides a short message communication module integrating an integrated service digital network switching function and a communication terminal. The module comprises a baseband circuit, a radio frequency device, a receiving radio frequency front-end circuit, a transmitting radio frequency front-end circuit, a GNSS radio frequency circuit and an integrated service digital network radio frequency circuit, the baseband circuit is connected with the radio frequency device and the GNSS radio frequency circuit, the radio frequency device is connected with the receiving radio frequency front-end circuit and the transmitting radio frequency front-end circuit, and the integrated services digital network radio frequency circuit is connected with the GNSS radio frequency circuit, the receiving radio frequency front-end circuit and the transmitting radio frequency front-end circuit; the receiving radio frequency front-end circuit is used for receiving an S signal of the RDSS; the transmitting radio frequency front-end circuit is used for transmitting an L signal of the RDSS; the GNSS radio frequency circuit is used for receiving a GNSS signal; and the integrated services digital network radio frequency circuit is used for combining the S signal, the L signal and the GNSS signal into one signal for input and output. A passive antenna and an integrated services digital network antenna can be supported at the same time, all-in-one machine and split machine terminal design is supported, the integration degree is high, and the size specification is small.

The utility model discloses a terminal and an electric connection structure, including terminal body and contact post, the terminal body has the plug cavity that is enclosed by at least two elastic arms, the diameter of plug cavity gradually reduces along from the plug inlet end to the plug cavity bottom direction, the contact post is fixedly connected on at least two elastic arms, and is located the smallest position of plug cavity diameter, the contact post has convex arc conductive surface, convex arc conductive surface is towards terminal axis direction and partially protrudes in the inner wall of plug cavity, and this terminal design emphatically solves the problem of the spark of terminal to the plug, the ablation, the electricity problem of being connected, and the problem of terminal damage needs to replace the assembly, just need to increase the new contact post of embedding on the elastic arm, and the structure of the convex arc conductive surface that increases, makes the conductive performance of terminal and the plug terminal between the plug-in after more excellent.

The application provides a display device and a mobile terminal, relates to the technical field of intelligent equipment, and is used for solving the problem of small assembly space of each element in the mobile terminal and the problem of affecting the design freedom of the mobile terminal. The display device comprises a display panel and a capacitor used in cooperation with the display panel. The display panel comprises a display substrate and an encapsulation layer which are arranged in layers. The capacitor comprises a first electrode and a second electrode which are arranged oppositely. At least one of the first electrode and the second electrode is reused as an element for signal emission and / or reception. The first electrode is arranged in the encapsulation layer. The second electrode is arranged in the display substrate, or the second electrode is arranged on the surface of the display substrate away from the encapsulation layer. The display device provided in the application arranges the first electrode in the encapsulation layer, and replaces part of the elements by the first electrode and / or the second electrode, so that the assembly space of each element in the mobile terminal can be released, and the design freedom of the mobile terminal can be improved.

The invention discloses a buckle connecting piece and an automobile part. The buckle connecting piece comprises a fixed end and a movable end. The fixed end comprises a mounting table top, a U-shaped clamping plate extending out of the mounting table top and a supporting table located on the lower portion of the mounting table top, and a clamping groove is defined by the clamping plate; a guide rail is arranged on the supporting table, and the guide rail and the clamping plate are arranged at an interval in the vertical direction, so that an insertion space is formed between the guide rail and the clamping plate; the movable end comprises a fixed surface and a plug board, a clamping tongue is arranged at the front end of the plug board, and an arch-shaped bent part is formed at the tail end of the clamping tongue. Through the terminal design of the movable end and the fixed end and the cooperation structure between the movable end and the fixed end, automobile part installation in a narrow space can be achieved.

The application discloses a kind of underground space layout scheme VR visualization interaction device and interaction method, and interaction device includes three-dimensional graphics processing unit and the virtual reality interaction terminal of three-dimensional graphics processing unit interaction, design software synchronous interface and collaborative design communication module;Three-dimensional graphics processing unit uses high-performance graphics processor and special graphics acceleration chip, two-dimensional plane layout data is converted into three-dimensional space model and carries out real-time rendering;Virtual reality interaction terminal is as the direct interface of user experience, and is integrated with three-dimensional graphics processing unit by low-delay wireless transmission module;Design software synchronous interface realizes the data exchange with external design software, and modifies synchronization to three-dimensional graphics processing unit;Collaborative design communication module is used to support the real-time collaboration and communication of multiple users in virtual environment.The application realizes the rapid visualization and real-time interaction of underground space layout by combining high-performance hardware with special software.

The invention discloses a multi-stage folding type integrated mobile person and certificate verification terminal and a control method thereof.The mobile person and certificate verification terminal adopts a three-stage linkage design, a main body support can be rapidly unfolded and contracted, and a telescopic mechanism can adjust the height of a display control terminal; the folded mobile person and certificate verification terminal integrally forms a draw-bar box form, and the mobile person and certificate verification terminal is small and exquisite in design, so that a worker can conveniently move the mobile person and certificate verification terminal to a designated position, and the rapid identity verification requirements in public security duty, frontier defense inspection, conference security and emergency sites can be met.

The invention provides a vehicle-road cloud cooperative roadside communication terminal design method, device and equipment, and relates to the technical field of data processing, and the method comprises the steps: configuring hardware components and software protocols for realizing a cooperative data processing function, a heterogeneous communication function and a local control function based on a functional architecture, establishing a data interaction link between the roadside communication terminal and the vehicle, the cloud and the adjacent roadside facilities; a traffic participation element state and a cloud scheduling instruction are obtained through a data interaction link, a local control function collects roadside local data, and initial cooperative control information is generated after fusion; and based on the parameter correction, performing optimization adjustment on the initial cooperative control information to generate final cooperative control information. According to the invention, the smoothness of data interaction between the vehicle cloud and the road cloud and the precision of cooperative control are effectively improved, and the rationality and suitability of the design of the vehicle cloud and road cloud cooperative roadside communication terminal are ensured.

The utility model belongs to the technical field of wiring terminal, concretely relates to a wire -to -board fence plug -pull type wiring terminal, the wire -to -board fence plug -pull type wiring terminal designed in this scheme is ingenious, simple and reasonable, stable and reliable, and the plug part power supply current -carrying member passes through the superposition auxiliary clamping piece, guarantees the clamping force and the anti -plug -in ability while satisfying the current -cararrying capacity, and the current -carrying member and the insulating shell are formed by screw, nut assembly positioning. The long flow bar and the short flow bar of the socket end welding surface pass through the layout of double -row ladder and make the connection between the PCB board after welding firm, and the cooperation and release of the plug elastic arm and the hanging platform provide the function of quick plug -pull for the wire end and the board end, thereby help staff to greatly reduce assembly time, improve the connection firmness, can be widely used in the wire -to -board connection industrial application scene of limited height space.