37results about How to "Avoid space" patented technology

The application discloses an ambient light, a control method and a controller thereof, and a vehicle, and relates to the technical field of vehicles.The ambient light comprises a light guide substrate with opposite first and second ends, and a first light source arranged at the first end of the light guide substrate; wherein the light exit surface of the light guide substrate is provided with microstructures for enhancing the light diffusion capacity, and the microstructures are net-distributed protrusions and / or concave points.Thus, by arranging a single light source at the first end of the light guide substrate and combining the microstructure design of the light exit surface, the diffusion of the microstructures on the light makes the light evenly propagate in the light guide substrate, avoids the high cost and large space occupation caused by densely arranging multiple LEDs in the traditional scheme, and reduces the light source cost and arrangement space of the ambient light; meanwhile, the color control algorithm can be matched to realize the dynamic light effects such as color gradient and brightness breathing of the intelligent cabin.

The invention provides a water resource optimal configuration method considering excess water supply regulation and control and hierarchical constraint, and the method comprises the steps: obtaining water resource configuration parameter data, constructing a basic water resource optimal configuration model, constructing a hierarchical constraint system, constructing a multi-target water resource optimal configuration model, and solving the water resource optimal configuration model. And obtaining an optimal water resource allocation scheme. According to the method, on the premise that regional water consumption red line constraints are guaranteed, collaborative optimization of economic benefits, water shortage control and water consumption rationality is achieved, scientificity, engineering performability and management adaptability of a configuration scheme are improved, and support is provided for actual water resource scheduling and management decision making.

The invention discloses a hyperspectral image super-resolution optimization method based on a fused three-branch network, and belongs to the field of hyperspectral image processing, and the method comprises the steps: firstly obtaining and preprocessing training data, collecting LR-HSI, HR-MSI and corresponding high-resolution hyperspectral truth values, and completing normalization, data enhancement and cross-modal feature dimension matching and interaction; constructing a three-branch network model, inputting the LR-HSI into an HSI branch to extract spectral features, and inputting the HR-MSI into an MSI branch to extract spatial features; performing residual calculation and noise suppression on the spectral and spatial features, inputting the spectral and spatial features into a fusion branch, generating compensation features through convolution and jump connection, fusing three-branch output through learnable weight, generating a fusion image, and training a model through an optimizer. According to the method, a residual difference decoupling fusion strategy is introduced, and directional repair and enhancement are respectively carried out on missing space information in a hyperspectral image and insufficient spectral information in a multispectral image.

The present application belongs to the technical field of earth space environment monitoring, and specifically discloses a seamless splicing method for environment data based on micro scenes, which comprises the following steps: obtaining three-dimensional grid unit environment data to be spliced; extracting edge features of adjacent surfaces; dynamically matching and correcting the space coordinates of the features of adjacent grids; selecting a physical equation as a constraint condition, and calculating an edge point interpolation result in combination with a credibility weight; checking the spliced edge data, identifying abnormal points, and generating a checking report; if the checking fails, feeding back to the feature extraction step for reprocessing until the threshold is met; and outputting integrated environment data after seamless splicing. The present application realizes accurate alignment of the spatial positions of the edges of three-dimensional grid units, natural transition of physical properties, and time dynamic consistency, and significantly improves the accuracy and reliability of environment data splicing.

The application discloses a gravity balancing device, a doctor console and a surgical robot, wherein the gravity balancing device comprises an adjusting cavity arranged through an installation base, a constant force spring unit is arranged in the adjusting cavity or at an opening position of the installation base relative to one end of the adjusting cavity, one end of a balancing steel wire rope is connected with the constant force spring unit, and the other end is connected with a rotating disc; in the embodiment of the application, the above-mentioned gravity balancing device, the doctor console and the surgical robot are adopted, the constant force spring unit is used to provide a balancing force, the balancing force provided by the constant force spring unit is constant, the influence of the length reduction of the balancing steel wire rope on the balancing force is avoided, the balancing effect is ensured, the force required by a human hand is reduced, the balancing steel wire rope is directly fixed and connected on the rotating disc, that is, the balancing steel wire rope directly drives the rotating disc to rotate through the constant force spring unit, so that the loss of the balancing force is reduced, and the balancing effect is improved.

This invention discloses a fiber Bragg grating level sensor based on liquid pressure conversion, comprising a fiber Bragg grating demodulator, a 2×1 fiber coupler, a transmission fiber, and a sensing unit. The sensing unit consists of a strain-sensing fiber Bragg grating, a temperature-compensated fiber Bragg grating, a sealed cylinder, a support beam, a pressure block, a pressure tension frame, a sealing membrane, and a stop. The pressure block and the pressure tension frame convert liquid level changes into longitudinal displacement changes, causing axial strain in the strain-sensing fiber Bragg grating. This results in a drift in the center wavelength of the strain-sensing fiber Bragg grating, and the liquid level height of the container is measured by monitoring this wavelength change. This invention eliminates the influence of temperature on the liquid level measurement results through a temperature-compensated fiber Bragg grating, offering advantages such as a large measurement range, good practicality, simple structure, low cost, good stability, high sensitivity, and safety and reliability, meeting the needs of measuring liquid levels in large storage tanks and other applications.

The present application belongs to the field of environmental protection engineering construction technology, especially a hydrogen fluoride washing device, aiming at the operation of hydrogen fluoride washing tower, because the waste gas is not fully contacted with lye, and hard crystals are easily formed during the reaction, attached to the filler and tower wall, resulting in the blockage of the filler, the increase of system pressure drop, the increase of fan energy consumption, and the need for manual cleaning, which exists safety risk and affects the washing efficiency, the following scheme is proposed, including a washing tower body, an air inlet is formed on the outside of the washing tower body, and an air inlet pipe is fixedly connected inside the air inlet, an air outlet is formed on the top of the washing tower body. The hydrogen fluoride washing device disclosed by the present application has the beneficial effects of automatically removing the crystals in the tower by rotating spraying and brushing and scraping components, and periodically extruding the filler by using a pressure plate, which can shake off the crystals, enhance the turbulence to improve the purification efficiency, and realize automatic continuous operation, avoiding the high-risk manual cleaning.

The application discloses a mud generator torque control method and system, and belongs to the technical field of well drilling engineering. The method comprises the following steps: performing phase identification on three-phase alternating current output by a mud generator through a digital processor, generating a PWM driving signal based on phase information, controlling the conduction and shutdown of a power switch tube connected with a generator winding, adjusting the current of a generator stator winding, and completing the control of the output torque of the generator. The application performs phase identification on three-phase alternating current through a digital processor and generates a PWM driving signal, realizes accurate control of the output torque of the generator, directly adjusts the current of the stator winding, and avoids the heat dissipation and space problems caused by the traditional resistance dissipation mode.

The application discloses a multi-channel signal processing layout optimization method and device suitable for a transformer substation reactor room, relates to the technical field of power system monitoring, and significantly enhances the signal-to-noise ratio and phase consistency of a synthesized signal by constructing similar channel pairs and performing phase calibration summation, effectively suppresses the phase cancellation effect caused by random noise and phase mismatch, and realizes closed-loop adaptive optimization of the sensor layout spacing and similarity threshold based on sequential splicing and linear fitting of the phase average values in the units after clustering, thereby avoiding the problems of redundant sampling or spatial undersampling caused by traditional experience layout.

The application discloses a portable charging pile and belongs to the technical field of charging piles. The portable charging pile comprises a box body, a wall-penetrating terminal and an output connector are arranged on the box body. The wall-penetrating terminal and the output connector provide interfaces for external power supply access and power output, so that the portable charging pile can be freely moved to the vicinity of the external power supply for connection and charging operation. Further, a circuit breaker is arranged in the box body and is electrically connected with the wall-penetrating terminal. A charging assembly is also arranged in the box body, and the charging assembly comprises a charging module, the charging module has an alternating-current terminal and a direct-current terminal, the alternating-current terminal is electrically connected with the circuit breaker, can receive external three-phase alternating current and convert the three-phase alternating current into direct current suitable for charging of an automobile battery. The direct-current terminal is connected with a direct-current side assembly, and the direct-current side assembly is electrically connected with the output connector. The direct-current side assembly is used for conducting the direct current converted by the charging module, and finally transmits the power to a user load through the output connector, so that the charging function is realized.

This invention discloses a method for calculating urban rainfall runoff based on downstream tracking of drainage nodes. The method includes the following steps: Step 1, acquiring drainage network data of the study area; Step 2, analyzing the flow direction of the drainage network; Step 3, dividing sub-catchments and setting runoff generation parameters; Step 4, generalizing drainage network data; Step 5, marking generalized nodes; Step 6, determining new outlet nodes for sub-catchments; Step 7, calculating runoff delay; Step 8, calculating runoff generation in sub-catchments. The method of this invention, based on downstream tracking of drainage nodes, improves the accuracy of runoff generation calculation in sub-catchments, avoids the drawbacks of traditional methods that alter the catchment path and spatial pattern, and enhances the accuracy of urban rainfall runoff calculation, providing strong support for urban flood control and disaster reduction.

This application relates to a magnetic levitation pump, which includes a pump casing, an impeller, a drive motor, and an axial drive assembly. The pump casing has spaced-apart pressurization chambers and motor chambers. The impeller is rotatably suspended in the pressurization chamber. The drive motor includes a rotor and a stator. The rotor is fixedly connected to the impeller, and the stator is disposed in the motor chamber. The stator and rotor cooperate to generate a rotating magnetic field that can rotate the impeller. The axial drive assembly includes a first magnetic ring and a first coil. The first magnetic ring is fixedly connected to the impeller, and the first coil is disposed in the motor chamber. The first coil and the first magnetic ring cooperate to adjust the axial force that levitates the impeller. This application provides a hardware foundation for independent control of the impeller's rotational speed and levitation height by using the cooperation between the stator and the rotor, and the cooperation between the first coil and the first magnetic ring. This allows the control of the impeller's rotational speed and levitation height to be controlled by two separate systems, eliminating the need for complex decoupling and reducing the difficulty of impeller control.

The utility model discloses electronic equipment, and belongs to the technical field of electronic equipment. The connecting base is arranged on the side, facing the screen module, of the first circuit board, so that the first flexible circuit assembly of the screen module can be directly connected with the connecting base and does not need to be wound to or penetrate through the other side of the first circuit board. Therefore, when a technician disassembles the screen module, the connection between the first flexible circuit assembly and the connecting seat can be directly separated from the screen side, and then the disassembly of the screen module is completed. Compared with the prior art that the rear cover needs to be disassembled when the screen module is disassembled, the electronic equipment has the advantages that the step of disassembling the rear cover is omitted, the complexity of the maintenance process is reduced, the maintenance time is shortened, the equipment damage risk caused by additionally disassembling the rear cover is effectively avoided, and the reliability of product maintenance is remarkably improved.

The utility model provides a top cover convenient dismounting and mounting device for cleaning a filter element of a filter, and relates to the field of top cover dismounting and mounting equipment for overhauling the filter element of the filter. The lifting device further comprises strip-shaped flat steel, a mounting base, a first long screw rod, an earring-shaped nut, a mounting plate, a rotating pipe, an inner threaded pipe and a lifting assembly. The installation of the earring-shaped nut and the first long screw facilitates the manual operation of a worker, and meanwhile, the problem that the installation is difficult due to the fact that the operation space of a wrench is limited when a traditional hexagon bolt is disassembled and assembled is solved; the top cover can be lifted and deflected to one side of the filter only by rotating the hand wheel after the earring-shaped nuts are disassembled, so that the subsequent filter element replacement and maintenance process is carried out, the disassembly and assembly operation process of the top cover before and after the filter element of the filter is replaced is simplified, and the use effect is better.

The invention discloses a high and large supporting system for dismantling and rebuilding an existing cantilever structure and a construction method. The high and large supporting system is applied to an existing building comprising existing columns, a lower layer cantilever structure and an upper layer cantilever structure. One end of the system is supported by stand columns, the other end of the system is supported by existing columns, and the system comprises the stand columns, bases, guide rails, hoops, guide beams, bearing beams, supporting plates and the like. In the dismantling stage, the supporting plate serves as an unloading receiving plate to receive the crushed objects; and in the reconstruction stage, supporting rods and formworks are arranged as a working platform, and loads are borne. The system can drive the stand columns and the top sliding seat to slide synchronously through the power device to achieve positioning, the two purposes of protection removal and support reconstruction are achieved, the construction efficiency is improved, and the cost is reduced.

The utility model provides an agricultural soil turning device convenient to move, which relates to the field of agricultural appliances and comprises a beam frame, a hanging lug is arranged in the middle of the beam frame, side frames are arranged at the two ends of the beam frame, moving wheels are arranged at the two ends of the beam frame, and adjusting assemblies are arranged between the two moving wheels and the beam frame. And a plurality of mounting frames are arranged on the beam frame and the two side frames. Through the unique folding design, the two side frames can be folded towards the beam frame, the overall size of the device can be effectively reduced when the device is stored, a large amount of space can be saved no matter the device is matched with a transport vehicle to be transferred between different land parcels or stored in a warehouse, and the convenience of the device in the transport and storage links is remarkably improved; by adopting simple mechanical structures such as the turntable and the threaded rod, an operator only needs to rotate the turntable, and the operations of drawing out the clamping rod, folding the side frame and re-locking can be orderly realized through a thread transmission principle.

The ultrasonic probe comprises a sound head, a connecting cable and a plug, the sound head comprises a sound head shell, a transducer and a heat exchange piece, the connecting cable comprises a connecting cable shell, a first liquid path pipe and a second liquid path pipe, and the plug comprises a plug shell and an active liquid cooling device. The active liquid cooling device comprises a radiator, a pump, a liquid storage tank, a third liquid path pipe and a fourth liquid path pipe. The outlet of the pump is connected with the liquid storage tank, the cavity in the pump is communicated with the cavity of the liquid storage tank through the fourth liquid path pipe, the liquid storage tank is provided with a relatively larger cavity, and the larger cavity has a wider horizontal cross section, so that the hydraulic pressure of liquid can be effectively reduced, and the hydraulic pressure of the cavity in the pump communicated with the liquid storage tank is also reduced; the back pressure of the pump can be reduced through the liquid storage tank, the working pressure of the driving film in the pump can be reduced through reduction of the back pressure in the pump, the service life of the driving film is prolonged, and then the service life of the pump is prolonged.

The invention provides a functional isomerism hot redundancy high-reliability spacecraft lithium ion battery charging control method, a lithium ion battery is formed by connecting a plurality of battery monomers or battery parallel blocks in series, and the lithium ion battery receives current from a solar battery array for charging and is used for supplying power to a spacecraft load. Comprising a main charging control circuit and a backup charging control circuit which are functional isomerism hot redundancy charging control circuits, and automatic circulation charging is achieved through a charging starting circuit which is also functional isomerism hot redundancy charging control circuits. The control method does not depend on software, so that the chip is prevented from being influenced by outer space irradiation and single event effect; common cause failure faults of main and backup measures can be avoided; the fault handling process does not depend on software judgment or manual decision intervention capacity, and the fault real-time autonomous handling capacity is achieved, and the reliability design requirement of a general spacecraft power supply system is completely met.

The utility model discloses a small-magnification network audio and video talkback camera, which relates to the technical field of cameras and comprises a mounting seat, a movable frame is arranged on the outer surface of the mounting seat, the upper end of the movable frame is fixedly connected with a holder connecting plate, the upper end of the holder connecting plate is fixedly connected with a casing mounting plate, and the casing mounting plate is fixedly connected with the casing mounting plate. The upper end of the machine shell mounting plate is fixedly connected with a monitoring machine shell, the bottom end of the interior of the monitoring machine shell is fixedly connected with a machine core mounting plate, and through compact combination between an insulating support PCB, a power amplifier support PCB, a camera support PCB, a lens support PCB and a transmitting support PCB and an integrated machine core, the space can be utilized to the maximum extent, the overall size of the camera is reduced, and the overall size of the camera is reduced. Therefore, a proper installation position can be found more easily in the installation process, the situation that due to the fact that the size is too large, the product seeks abrupt or occupies too much space is avoided, the occupied space is smaller in the transportation process, more products can be loaded in unit transportation space, and then the transportation cost is reduced.

The application discloses a clothes hanger, and relates to the technical field of clothes hangers, which comprises a base, a hanging rod and two supports, the two supports are connected with the base, both ends of each support are provided with a first connecting plate, each first connecting plate is provided with a mounting groove used for cooperation with the hanging rod, each first connecting plate is provided with a first connecting block and a first bolt, the first bolt is threadedly connected with the first connecting block through the first connecting plate, each support is provided with a first T-shaped groove along the height direction of the support, and the first T-shaped groove is used for cooperation with the first connecting block. By rotating the first bolt, the first connecting block slides towards the first connecting plate, the first connecting block abuts against the inner wall of the first T-shaped groove, the first connecting block and the first connecting plate clamp the support, the hanging rod is fixed at a corresponding position, and the height of the hanging rod can be adjusted according to actual requirements.

This application relates to the field of landscape design technology, and particularly to a computer-aided design method and system for landscape architecture. The method includes: obtaining basic site parameters of the landscape to be planned to provide data support for subsequent planning calculations; calculating multiple capacity allocation schemes based on the number of landscape modules and carrying capacity; generating multiple fully connected schemes by combining the preset number of functional areas, thereby systematically optimizing the spatial accessibility and ecological flow relationships between functional areas; systematically optimizing the fully connected schemes to achieve a global improvement from structural rationality to functional matching; and optimizing the optimal auxiliary design scheme to improve the coordination, scientific nature, and feasibility of the scheme, thus completing the transformation of landscape architecture design from experience-driven to data-driven, reducing manual comparison and repetitive calculations, improving design efficiency and output quality, and promoting the intelligent and ecological development of landscape planning.

The application relates to the technical field of intelligent path planning in a virtual reality environment, and discloses a warehouse path planning method based on virtual reality. A unified coordinate system is established on the ground of the warehouse, the picking points are uniquely numbered and positioned, and the data consistency and traceability are ensured; the path generation adopts the nearest neighbor principle and combines node order and numbering rules to obtain a preliminary reasonable route; the iterative local node exchange and corner sum evaluation are used to optimize the path smoothness and continuity; the path overlap is avoided through the cross detection and backtracking mechanism, and the executability and safety are improved; the buffer point is introduced for high corners, and the projection correction is carried out when the boundary is exceeded, so that the artificial or robot following is facilitated, and the picking efficiency is improved; finally, the path visualization and interactivity in the virtual reality are realized through coordinate mapping, and the problems of space modeling confusion, unreasonable path, cross confusion and unfriendly high corner in the traditional path planning are solved.

The utility model relates to nuclear medicine technical field, and disclose a kind of integrated radiation shielding baffle of nuclear medicine nursing equipment, including main baffle and two auxiliary baffles, every auxiliary baffle is hinged with the two sides of main baffle respectively, the extension setting is done to the two sides of main baffle along width direction, the bottom end of main baffle and auxiliary baffle is all equipped with universal wheel.This kind of integrated radiation shielding baffle of nuclear medicine nursing equipment, by the lead plate of setting can extend under the impetus of slide bar, make medical staff can be operated to the equipment of outside through operating mouth, under the protection of lead plate, it can prevent the hand of medical staff from being exposed in radiation area, secondly, the fixed block of setting is rotatably connected with slide bar, the angle adjustment of lead plate can be carried out, both ensure that hand is always in the effective protection range of lead plate during operation process, and the problem of sight obstruction and operation space limitation possibly generated when lead plate is parallel with main baffle is avoided.

This application relates to the field of robot intelligent control technology, and in particular to a robot collaborative control system. It includes: a decision-making unit for parsing instructions and generating constraint task packages; a central control unit for setting the robot's workflow data according to the constraint task packages; and an alert unit for detecting the robot's working status and executing alert strategies based on the working status. The central control unit includes: a first control module for setting multiple keyframe nodes according to the constraint task packages and dividing the workflow into multiple segments based on the keyframe nodes; a second control module for calculating the movement trajectory of each segment and connecting the various movement trajectories to form a total movement trajectory; a third control module for optimizing the total movement trajectory to obtain vehicle movement data; and a fourth control module for setting the robotic arm motion data based on the keyframe nodes and vehicle movement data. This improves the accuracy, safety, and adaptability of robot collaborative motion in complex working environments.

The present application relates to the technical field of ground stress field inversion, and discloses a three-dimensional stress field nonlinear intelligent inversion method based on prototype learning, which solves the problems of difficult identification of local stress transmission relationship, insufficient unit boundary traction closure constraint in three-dimensional ground stress field inversion of deep underground engineering, and low inversion accuracy and poor reliability. In the present application, information such as in-situ measuring points, tectonic boundaries, rock mass parameters, and self-weight load is obtained first to form spatial unit state data; then the load and boundary features are extracted, and a stress transmission prototype library is constructed through prototype learning combined with measured constraints; the stress tensor and boundary traction closure amount are solved, and the prototype similarity is corrected using mechanical constraints; the unit stress transmission law is determined based on the similarity weight, the global three-dimensional ground stress field is generated, the principal stress is solved, and the stress concentration area is demarcated. The present application takes into account both measured data and rock mass stress law, and improves the prediction accuracy.

This invention relates to the field of ice making, providing a refrigeration device, an ice maker, and a control method thereof. The ice maker includes a housing with a contact portion; an ice mold assembly disposed within the housing, comprising a first ice mold and a second ice mold, the second ice mold being adaptable to switch between a contact position and a separation position relative to the first ice mold; a first ice pusher rod disposed on the first ice mold; and a second ice pusher rod disposed on the second ice mold; a drive assembly mounted within the housing; and a transmission assembly including a first connecting rod and a second connecting rod, the first connecting rod being driveably connected to the drive assembly and the second ice mold, and the second connecting rod being drively connected to the first ice pusher rod. From the contact position to the separation position, the first connecting rod is adapted to drive the second connecting rod to move, causing the second connecting rod to drive at least a portion of the first ice pusher rod into the first ice mold, and the second ice pusher rod is adapted to abut against the contact portion to cause at least a portion of the second ice pusher rod to extend into the second ice mold. The ice maker is capable of efficiently making and removing ice.

The vehicle lamp assembly comprises a shell, a lampshade and a light guide plate, an opening is formed in the shell, a containing space is formed in the shell, the lampshade covers at least part of the opening, a peripheral wall connected with the shell is formed on the lampshade, and the light guide plate is arranged in the containing space. The lampshade is further provided with a light-emitting wall connected with the peripheral wall and directly facing at least part of the opening, the included angle between the peripheral wall and the light-emitting wall is alpha which is larger than 0 degree, the light guide plate is contained in the containing space, at least part of the light guide plate is bent to be attached to the peripheral wall and the light-emitting wall to extend, and a light-emitting part is arranged on part of the edge of the light guide plate. The space utilization rate of the automobile lamp assembly can be improved.

This invention provides a method for optimizing the loading of a digital twin model based on heterogeneous positioning data, characterized by comprising: S1) acquiring data; S2) converting the position information into planar coordinates; S3) loading an original 3D model corresponding to the target object type; S4) determining the current partition to which the model instance belongs and adjusting the display orientation of the model instance in the scene; S5) attaching at least one extended collision detection body to the corresponding model instance for at least one type of target object; S6) performing collision detection on the model instances in the digital twin scene; S7) in response to a detected collision, determining the model instance to be moved and applying a displacement to eliminate spatial overlap. This invention also provides a system for optimizing the loading of a digital twin model based on heterogeneous positioning data, comprising: a data acquisition module; a coordinate transformation module; a model generation module; an orientation correction module; a collision body extension module; a collision detection module; and a collision response module.

The utility model relates to packing box technical field, concretely relates to an adjustable split packing food packing box, including box body, box cover and handle, still include split packing mechanism, sliding mechanism and fixed establishment, split packing mechanism includes first split packing box, second split packing box, two handles, two centring assemblies and two clamping assemblies, sliding mechanism includes two U type plates and two push assembly, fixed establishment includes two connecting rods and four buckle assemblies, every centring assembly includes pivot, pivot axle, guide rod, L type block, slide rod, insert block, limit disc, telescopic spring, two connecting plates, two U type rods and a plurality of limit slot, every clamping assembly includes support plate, two sliding plates and two limit plates, every buckle assembly includes elastic buckle, clamping slot and unlocking rod, the utility relates to an adjustable split packing food packing box, has realized to different kinds, different volume food simultaneously to pack simultaneously.