79results about How to "Reduce design" patented technology

The invention discloses an integrated optical diversity receiving device, solves the problem of high power consumption when the influence caused by phase distortion and light beam pointing error is corrected in the existing free space optical communication, and belongs to the field of optical communication. The method comprises the steps that free space light focused by a lens is received by a multimode / few-mode optical fiber; the multi-mode light beams received by the multimode / few-mode optical fiber enter the photon lantern; the photon lantern is coupled to the single-mode fiber array after mode demultiplexing; each light beam in the single-mode fiber array enters a polarization beam splitting rotary combiner through an edge coupler; the polarization beam splitting rotation combiner performs transverse electric wave (TE) and transverse magnetic wave (TM) mode separation on the entered light beam, then rotates the separated TM polarization state light to a TE polarization state, combines the rotated TE polarization state light and the separated TE polarization state light, and then enters the MZI network; the MZI network is used for realizing optical coherent beam combination; a control circuit controls the merging of the light beams in the MZI network.

The invention relates to a large-spacing obstacle crossing photovoltaic cleaning device and an obstacle crossing method.The device comprises a rack, a power source assembly, a cleaning assembly, a control assembly, a walking assembly, an obstacle crossing assembly and a positioning sensing assembly, and the walking assembly comprises a first driving wheel assembly and a second driving wheel assembly; the positioning sensing assembly comprises a first positioning sensing part and a second positioning sensing part, the positioning sensing assembly is in communication connection with the control assembly and transmits a positioning signal to the control assembly, the obstacle crossing assembly comprises a first obstacle crossing part and a second obstacle crossing part, and the first obstacle crossing part and the second obstacle crossing part each comprise a supporting seat, a driving execution part, a swing part and an obstacle crossing walking part. The supporting seat is fixedly connected with the rack, one end of the swing part is hinged to the supporting seat, the obstacle crossing walking part is arranged at the other end of the swing part, and the driving execution part is in transmission connection with the swing part and used for driving the swing part to swing in the vertical plane. Large-interval crossing can be achieved on the plane of the photovoltaic module, the design and labor cost can be saved, and the cleaning efficiency is improved.

The invention discloses a fast universal passivity macro-modeling method based on Hamiltonian matrix pure virtual feature values. The method comprises the steps that n-port passive network parameters obtained through simulation or measurement serve as an original data set; rational fitting is carried out on the passive data set, and a macro model is established; calculating a pure virtual characteristic value of a Hamiltonian matrix M of the macro model, and judging the passivity of the macro model; carrying out passivity repair on the initial model according to a passivity judgment result; and inputting the passive macro model into a circuit simulator for simulation. According to the method, only the pure virtual feature value of the Hamiltonian matrix is calculated to achieve rapid passivity detection of the macro model, the method is suitable for macro modeling of symmetric and asymmetric models, the method has the characteristic of universality, and when the method is applied to integrated circuit design, the convergence of circuit simulation can be improved, the macro modeling time is shortened, the circuit simulation is accelerated, and the circuit simulation efficiency is improved. And the design and market period of electronic products is shortened.

The invention discloses a low-profile dual-circularly-polarized Ka-band phased-array antenna which mainly solves the problems that a traditional circularly-polarized phased-array antenna is high in profile, complex in structure and incapable of polarization multiplexing. The antenna feed structure and the metal patch structure are symmetrical, the left-hand and right-hand circular polarization feed ports are directly connected with the radiation patch to excite the patch to generate left-hand circular polarization and right-hand circular polarization respectively, regulation and control from single circular polarization to dual circular polarization are achieved, the left-hand and right-hand circular polarization feed ports are directly connected with the radiation patch, and the radiation patch is directly connected with the left-hand and right-hand circular polarization feed ports. The patches are excited to generate left-hand circular polarization and right-hand circular polarization respectively, other extra structures are not introduced, the antenna design process is simplified, and polarization multiplexing of the circularly polarized antenna is achieved. The antenna is composed of the two layers of dielectric plates, a complex middle feed network is omitted, and the antenna has the advantages of being simple in structure and low in profile.

The invention provides a Serverless low-code intelligent architecture generation system based on multi-modal input. The problems that a traditional Serverless architecture is complex in design, a low-code platform is insufficient in flexibility, architecture design and implementation are disjointed and the like are solved. The system comprises a multi-modal input processing module, a Serverless architecture generation module, a low-code visual design module and a Serverless function automatic generation module. Various inputs such as texts, charts and code snippets can be processed at the same time, a Serverless software architecture is intelligently generated, a real-time adjustment interface is provided, and architecture design is automatically mapped to specific function implementation. The innovation point is that multi-modal input understanding, Serverless architecture design and a low-code development platform are integrated, and the whole-process intelligence from demand to deployment is realized. The method has the advantages that the development efficiency is improved, the threshold is reduced, the flexibility and the expandability are enhanced, and powerful support is provided for an enterprise to quickly construct and deploy Serverless applications.

The utility model relates to an electrocardio watch which comprises a bottom shell, a middle frame and a transparent watch cover, the bottom shell and the watch cover are arranged at the bottom end and the top end of the middle frame respectively, a control circuit board is arranged in the middle frame, a first electrode electrically connected with the control circuit board is arranged on the bottom face of the bottom shell, a second electrode is arranged on the upper surface of the watch cover, and the first electrode is electrically connected with the control circuit board. The second electrode comprises an upper electrode part located on the upper surface of the meter cover, a lower electrode part located in the middle frame and a connecting part, the two ends of the connecting part are connected with the upper electrode part and the lower electrode part respectively, and the lower electrode part is electrically connected with the control circuit board. According to the electrocardio watch, a structure used for installing the second electrode does not need to be independently arranged on the middle frame, the occupied space of the second electrode is reduced, the watch can be designed to be thinner, meanwhile, holes or protruding electrodes are prevented from being arranged on the middle frame, and the appearance integrity of the electrocardio watch is maintained.

The turbocharger comprises a turbine shaft (1), a turbine (2) is arranged at the output end of the turbine shaft (1), a middle body (3) is arranged on the side, close to the turbine shaft (1), of the turbine (2), the turbine shaft (1) is rotationally connected to the axis of the middle body (3), an air cooling air channel (3.1) is arranged at the end, close to the turbine (2), of the middle body (3), and the air cooling air channel (3.1) is communicated with the air cooling air channel (3.1). The air cooling air channel (3.1) is in a U shape and is arranged in the circumferential direction of the turbine shaft (1). The utility model provides a turbocharger with an air cooling intermediate, which is used for cooling the turbocharger in an air cooling manner so as to reduce the production cost of the turbocharger.

The utility model discloses an automobile spare part welding bearing platform which comprises a supporting frame and automobile spare parts, four parallel cross rods are arranged on the top of the supporting frame, detachable positioning tool plates are arranged on the cross rods, the automobile spare parts are arranged on the positioning tool plates, and the positioning tool plates are arranged on the supporting frame. Guide plates are uniformly arranged on the surface of the positioning tool plate around the contour edge of the automobile part, a positioning pin is arranged at the position, corresponding to the center of the automobile part, of the surface of the positioning tool plate, and a plurality of ball head supporting pieces are arranged at the position, located below the automobile part, of the surface of the positioning tool plate; the center point of the automobile part is positioned through the positioning pin, the position of the automobile part is prevented from deviating, the positioning precision of the automobile part is improved, the irregular cambered surface of the automobile part is supported through the ball head supporting piece, accurate, reliable and complete supporting can be provided for the automobile part, the overall structure is simple, and replacement is convenient; and the design and manufacturing cost is low.

This utility model discloses a compact and easy-to-assemble fan light, including a hanging assembly, a drive motor, a mounting plate, several fan blades, a light source, and an outer cover fitted over the drive motor. The drive motor and the light source are both connected to the hanging assembly. The mounting plate is connected to the output end of the drive motor and rotates with it. A mounting base is provided at the end of each fan blade. A connecting structure is provided between the mounting base and the mounting plate to connect the two. The outer cover has a recessed portion, and an inwardly recessed clearance groove on the outer side of the recessed portion to expose the connecting structure. The light source is located below the mounting plate. The clearance groove on the outer cover directly exposes the connecting structure between the fan blade mounting base and the mounting plate, allowing operators to operate directly through the clearance groove. Hands and tools can easily reach in without disassembling the outer cover. This reduces the installation difficulty for consumers, significantly improves installation efficiency, and enhances the user experience.

The invention provides a display interface module and an LED display system. The LED display system comprises an LED display module, a sending box, an interface card and a display interface module. An interface unit in the display interface module can synchronously receive a power signal and an LVDS signal, and an output unit can synchronously transmit the power signal and a TTL signal, so that compatibility of signal transmission and power transmission is realized, the number of wires and operation steps for field installation are effectively reduced, and human resource investment and installation time consumption are reduced; meanwhile, the signal conversion unit can convert the LVDS signal into a TTL signal, so that the requirement of the LED display module on the TTL signal is effectively met, and the smoothness of signal transmission is ensured; besides, the display interface module comprises a storage unit, the storage unit can be used for storing correction data of the LED display module, an independent correction storage circuit does not need to be additionally arranged on the LED display module, redundant components and circuit design are omitted, hardware cost is reduced, and optimization of a product structure is facilitated.

This invention provides an angle-of-attack control device and a passive angle-of-attack airfoil sailboat, belonging to the field of passive angle-of-attack control for rigid sails. The angle-of-attack control device includes an airfoil sail and a rotating mechanism. The airfoil sail includes an airfoil sail surface, a mast, and a base matching the mast. The mast is perpendicular to the base and rotatably connected to the base. The mast is fixedly connected to the bottom of the airfoil sail surface. The rotating mechanism is located at the top of the airfoil sail surface. The rotating mechanism includes a motor and a rotating drum. The motor includes a rotation drive component, a speed-changing component, and an output shaft. The motor is located at the top of the airfoil sail surface, and the output shaft is parallel to the mast and fixedly connected to the rotating drum. This passive angle-of-attack airfoil sailboat includes a double hull and multiple angle-of-attack control devices, which are arranged in an array on the double hull. Using the angle-of-attack control device and passive angle-of-attack airfoil sailboat provided by this invention can solve the problems of excessively large airfoil sail structures, insufficient mainsail area, and insufficient propulsion in existing technologies.

The invention belongs to the technical field of metal material deformation treatment, and discloses a metal wire random reducing continuous treatment device and method.The metal wire random reducing continuous treatment device comprises a rack, a guide rail is fixedly connected to the rack, a cross-shaped guide rail sliding table is arranged on the guide rail, an objective table is arranged on the cross-shaped guide rail sliding table, and a rolling wheel unit is fixedly connected to the objective table; the rolling wheel unit is further fixedly connected with a servo motor, the output end of the servo motor is in transmission connection with the rolling wheel unit, one end of the guide rail is fixedly connected with a front guide belt wheel unit, the other end of the guide rail is fixedly connected with a rear guide belt wheel unit, and the rack is further provided with a control unit electrically connected with the cross-shaped guide rail sliding table and the rolling wheel unit. The problems that in the prior art, variable-diameter machining cannot be continuously achieved, stress concentration is difficult to avoid, and strength uniformity is insufficient are solved.

The application discloses an integrated module, an inverter module and a motor controller. The integrated module comprises a filter module and a bus capacitor module; the bus capacitor module is integrated with the filter module, the input end of the bus capacitor module is connected with the output end of the filter module, and the filter module is arranged close to the core package of the bus capacitor module. The technical scheme of the application improves the problem of complex assembly caused by a large number of parts.

A sand core mold includes an upper core box and a lower core box integrally formed. The upper core box includes a first side and a second side opposite to each other in a first direction. The first side has a sand injection hole, and the second side is recessed to form a first sand mold groove. The lower core box includes a third side and a fourth side opposite to each other in the first direction. The third side is recessed to form a second sand mold groove. The second sand mold groove and the first sand mold groove form a cavity, which communicates with the sand injection hole. Along the first direction, the size of the cavity in the second direction gradually increases from the end closer to the first side to the end closer to the fourth side. The first direction is perpendicular to the second direction. In this application, by integrally forming the upper and lower core boxes, the number of core boxes is reduced, the mold design and manufacturing cycle is shortened, thereby reducing material and processing costs. The cavity forms a draft angle with a reverse slope, so demolding can be completed simply by separating the upper and lower core boxes, reducing the breakage rate of the sand core.

The invention discloses an artificial muscle length measuring device and a humanoid robot. The length measuring device comprises a mounting base, a rotating part, a measuring rope, an elastic part and a rotating angle measuring mechanism, and the mounting base is fixed to the fixed end of an artificial muscle; the rotating piece is rotationally arranged on the mounting base, and a winding part is formed on the rotating piece; the rotation angle measuring mechanism is connected with the rotating member and is used for detecting the rotation angle of the rotating member. The device has the beneficial effects that the rotating part, the measuring rope, the elastic part and other components are matched, the length change of the artificial muscle is converted into the rotating angle change of the rotating part, the rotating angle measuring mechanism records and outputs the value of the rotating angle, and therefore the length change value of the artificial muscle can be calculated; because the rotation angle measurement occupies a small volume, the compactness of the structure is realized, the measurement device can be integrated in the compact structure of the humanoid robot, and the influence on the overall design and motion performance of the robot is reduced.

This invention discloses a time amplifier with self-cancelling quantization noise and a fractional-frequency division phase-locked loop (PLL), belonging to the field of frequency synthesis technology. The self-cancelling quantization noise time amplifier of this invention is based on a resistor-discharge type time amplifier. A control signal containing quantization error information is output through a slow-slope control signal generator to control the slow-discharge path of the time amplifier. This achieves K-fold time error amplification while simultaneously canceling fractional-frequency division quantization noise. The PLL architecture built based on this amplifier eliminates the need for a large-delay loop digital-to-time converter. The phase noise of the slow-slope control signal generator is suppressed by the time amplification gain, breaking the performance trade-off of traditional architectures. This invention achieves a low-noise, low-power, and high-linearity fractional-frequency division PLL design without degrading the performance of the time amplification phase detector.

The present invention discloses a method for processing a target material distribution image in a coherent imaging system, and belongs to the technical field of coherent imaging image processing. The method includes configuring a reference laser interference signal subdivision multiple so that the exposure trigger frequency is more than 2 times higher than the highest frequency of the light interference signal in the observation band; designing a special narrow-band bandpass FIR filter according to the characteristic absorption wavelength of the target material component to be measured, the reference laser wavelength, and the reference laser interference signal subdivision multiple; based on the area array coherent imaging technology, acquiring the interference signal data cube image frame by frame according to the exposure trigger frequency; sending the newly added frame image data of the data cube to the FIR filter for parallel real-time processing to obtain a two-dimensional normalized image of the material distribution; and obtaining a two-dimensional concentration distribution image with quantitative concentration based on the background removal processing of the normalized image. The present invention realizes synchronous calculation in the process of acquiring the coherent imaging data cube frame image, saves storage resources, and improves the material distribution imaging rate.

The application relates to the technical field of integrated circuits and provides a high-speed serial interface physical IP verification platform, method, device and medium. The application provides a unified design and verification platform supporting coexistence and fusion of multiple protocol types and a multi-protocol physical layer intellectual property core design and verification, is based on a modular, parameterized, multi-protocol and harmonious coexistence design idea and a top-level architecture circuit design method, can effectively reduce the circuit design and verification manpower cost of various different protocol types in project development, significantly shortens the function and performance verification period of the physical layer intellectual property core, significantly improves the full-stack and full-field research and development efficiency of the architecture design, circuit development and full-amount function / performance verification for different protocol types, improves the design and verification platform reuse degree between different protocols, and provides an excellent paradigm of unified design and verification with high platform level.

This application relates to a roof-mounted bus air conditioner base and an air conditioner base including a replacement component. The connecting support is a replacement component. By providing connecting supports of various specifications and preset angles, one can be selected to connect the fixed frame to the first evaporator module or the second evaporator module. Because the second fixing surface, the first fixing surface, and the fixed frame form a preset angle, the relative angle between the first and second evaporator modules and the fixed frame after fixation conforms to the preset angle. Therefore, when the roof-mounted bus air conditioner base of this utility model needs to be installed on the roof of different types of buses, different connecting supports can be selected according to the specific bus size to change the angle formed between the first and second fixing parts and the fixed frame after fixation. This allows for a close fit with different types of bus roofs, ensuring necessary sealing performance, improving versatility, and reducing design and modification costs.

This utility model relates to the field of elevator technology, specifically a downward-folding elevator ceiling structure. The fixed end of the side panel is hinged to the car top support, while the open end is detachably connected to the car top support. After the side panel is opened or closed, a locking component releases the movable end of the top panel. Simultaneously, when the top panel rotates open on the car top support, an elastic element connects the car top support and the movable end, allowing the top panel to open or close only at a certain angle before fully opening. This allows the top to be opened from inside the elevator car, facilitating subsequent maintenance of the car top or situations requiring top escape. This not only saves manpower and time but also reduces the workload of maintenance personnel. The two side panels and one top panel work together, simplifying the installation structure and allowing for a thinner design, thus providing more space within the elevator car.

The application discloses an engineering tire pattern structure with equal groove width, variable pitch, low noise and full wear period, and the like, and relates to the technical field of tires. The application breaks through the technical bottleneck of single performance, inconsistent performance of each pitch, uneven wear, poor structural reliability and low universality in the design of a traditional engineering tire variable pitch, and through integrated innovative design of equal groove width basic design+density differentiation matrix solid convex point+three-order universal pitch proportion, the application realizes the coordinated consideration of low noise, performance consistency, uniform wear and structural reliability, and is suitable for the use requirements of engineering tires in heavy load and multiple working conditions in all directions.

The utility model provides a kind of multi-channel high integration low-cost tile type transmitting assembly, including tile type shell, input interface, microstrip line located in tile type shell interior and input interface are sequentially connected, microwave composite multilayer board, two branch networks are connected on microwave composite multilayer board and with microstrip line output end connection, first drive power amplifier, second drive power amplifier are respectively connected with the two output ends of two branch networks, first eight branch networks are connected with the output end of first drive power amplifier, second eight branch networks are connected with the output end of second drive power amplifier, 16-way transmitting channel and radio frequency output port connected with transmitting channel output end are respectively connected with the output end of first eight branch networks, second eight branch networks, the number of radio frequency output port is 16.The utility model is X frequency band 16 channel tile type high integration, high reliability, high consistency and with power amplification, numerical control phase shift and output detection etc. The utility model discloses a kind of multi-channel high integration low-cost tile type transmitting assembly, including tile type shell, output interface, microstrip line located in tile type shell interior and output interface are sequentially connected, microwave composite multilayer board, two branch networks are connected on microwave composition multilayer board and with microstrip line output end connection, first drive power amplifier, second power amplifier are respectively connected with the two output ends of two branch networks, first eight branch networks is connected with the output end of first drive power amplifier, second eight branch networks is connected with the output end of second drive power amplifier, 16-way transmitting channel and radio frequency input port connected with transmitting channel output end are respectively connected with the output end of first eight branch networks and second eight branch networks, the number of radio frequency input port is 16.

The utility model discloses a starlight projection lamp which comprises a lamp holder, a battery bin is reserved in the middle of the bottom end of the lamp holder, a storage battery is installed in the battery bin, a cover plate is installed at the bottom end of the battery bin, a lampshade is installed on the periphery of the top end of the lamp holder, and star-shaped and moon-shaped light holes are formed in the lampshade. A projection lamp panel is mounted in the middle of the top end of the lamp holder. The projection lamp has the advantages that the battery bin is reserved at the bottom end of the lamp holder, and the storage battery and the cover plate are installed in the battery bin, so that the projection lamp can get rid of limitation of the position of an external power source when used, it is ensured that the projection lamp can be flexibly placed and used according to the actual projection requirement of a user, the use flexibility is better, and the use effect is better. And meanwhile, the lamp holder and the lampshade are assembled into a whole, so that the design of a lamp bracket is omitted, and the projection lamp is more convenient to carry when going out.

This utility model relates to a gas-fired trolley-type heater with internal denitrification, comprising a furnace body with several main burners mounted on it. The main burners are arranged in pairs facing each other, forming a group. The reversing valves of the two facing main burners are in different operating states, allowing them to operate in different states. Several environmentally friendly small burners are distributed on the furnace body wall, spaced apart from the main burners. The main burners and the environmentally friendly small burners are connected to a fuel pipe via a control valve assembly. This utility model, by incorporating environmentally friendly small burners to form small burner groups, works in conjunction with burner groups consisting of two or four burners to efficiently treat nitrogen oxides within the furnace body, significantly reducing the content of nitrogen oxides and other harmful substances in the flue gas and improving the heater's performance.

The application discloses a method for designing and controlling relative motion configuration of spacecraft formation in the Earth-Moon libration point orbit, and belongs to the technical field of spacecraft orbit dynamics and control. The method firstly constructs a double-level dynamics model composed of a circular restricted three-body problem model and a high-precision ephemeris model, and defines the orbit amplitude difference and phase difference as configuration parameters; then, according to different combinations of the orbit amplitude difference and phase difference, three types of natural relative motion configurations are set, periodic orbits are quickly generated under the circular restricted three-body problem model, and multiple turns are corrected by using the high-precision ephemeris model and two-stage multiple shooting; for the controlled tasks of fixed position, plane and space encirclement, a hierarchical constraint model is established, and a two-stage optimization strategy is adopted to solve the control pulse. The application realizes efficient design and stable control of the formation configuration in a complex dynamics environment, and is suitable for various libration point orbit tasks.

The utility model relates to a two-way transport cableway belt conveyor, and belongs to the technical field of material conveying. Comprising a conveying device, a driving device and a circulating cableway system, the conveying belt is wound on the head roller and the tail roller and is lapped end to end to form a closed loop; the driving device is arranged beside the head roller so as to drive the conveying device to transmit; the circulating cableway system comprises a head roundabout device, a tail roundabout device and a plurality of hanging brackets; the head roundabout device and the tail roundabout device are connected through two bearing cables arranged in parallel, the tops of a plurality of hanging brackets are connected to the bearing cables in a sliding mode through pulleys, and the bottoms of the hanging brackets are arranged on the lower side of the conveying belt in a hooking mode, so that the conveying belt is hung on the bearing cables through the hanging brackets and moves along the bearing cables through the hanging brackets. The characteristics of the belt type conveying technology and cableway conveying are fully combined, so that materials borne on the conveying belt are conveyed, and the belt type cableway conveying device has the advantages of being small in occupied area, low in one-time investment cost, small in conveying resistance, low in operation cost and the like.

The lifting device comprises at least one continuous anode, the periphery of the continuous anode is sleeved with a clamping frame, a plurality of anode guide rods are arranged between the clamping frame and the continuous anode, and a pressing mechanism enabling the anode guide rods to make contact with the continuous anode is installed on the clamping frame. A lifting mechanism is arranged at the upper end of the clamping frame and comprises a first driver, a second driver and a lifter, a lifter connector connected with the second driver is arranged on the upper portion of an output shaft of the lifter, an anode bus is arranged on the outer side of the anode guide rod, and a soft belt connected with the anode bus and the anode guide rod closest to the anode bus is arranged between the anode bus and the anode guide rod. According to the invention, the synchronism of the continuous anodes is ensured, the accuracy of electrode distance and cell voltage control is improved, the thermal balance of the electrolytic cell is maintained, the energy consumption is reduced, the current efficiency is improved, and the technical problems in controlling the electrode distance and regulating and controlling the distance between an anode guide rod and an aluminum oxide crust are thoroughly solved.

The utility model discloses a secondary battery, a battery pack and a power utilization device, the secondary battery has a first direction and comprises a shell, an electrode assembly and a top cover assembly, the shell has a containing cavity, the electrode assembly is arranged in the containing cavity, the electrode assembly comprises a battery cell and a tab, and the tab is connected with the battery cell; the top cover assembly comprises an electrode terminal, the electrode terminal comprises a body and a clamping part, the body is provided with a through hole, the through hole penetrates through the body along a first direction, and the tab is arranged in the through hole in a penetrating manner; and the clamping part is connected with the body, covers and seals the part of the through hole, and is propped against the tab. According to the secondary battery, the tabs penetrate through the through holes in the electrode terminals and are connected with the electrode terminals, so that the design of an adapter plate is omitted, the occupation of the tabs on the height space of the battery is effectively reduced, and the volume energy density of the secondary battery is favorably improved. Meanwhile, by arranging the clamping part, the tab can be clamped and fixed, the tab loosening and the tab insertion caused by the overlarge size of the through hole are prevented, and the welding safety of the tab and the electrode terminal is improved.