27results about How to "Function independent" patented technology

The invention relates to a method and a system for realizing personalized recommendation based on multi-feature fusion face recognition, and aims to provide real-time, efficient and accurate recommendation service, the method comprises the following steps: collecting a face image of a target audience in real time through a camera device, and preprocessing the image to extract a face region; running a face recognition algorithm in the edge computing device, and extracting multi-modal features including age, gender, appearance and style features; a comprehensive feature vector is generated by using a Transform model through a feature fusion module, and style classification and appearance classification are realized; according to the method, user feature vectors and a content database are matched on the basis of cosine similarity, personalized recommendation content is generated, the weight of a classification model is dynamically optimized in combination with user feedback, and dynamic behaviors and appearance features of a user are accurately captured through a time sequence analysis module, a dynamic style analysis module and a deep appearance analysis module; and comprehensively generating user feature description by combining vision, voice and character multi-mode information.

The invention discloses a large-aperture off-axis telescopic system adopting a spherical adjusting structure and an adjusting method thereof, and belongs to the technical field of high-precision optical element supporting and adjusting mechanisms. Comprising a supporting frame, a primary mirror and a secondary mirror, the primary mirror and the secondary mirror are installed on the supporting frame, the primary mirror is installed on the supporting frame through a primary mirror positioning module, and the secondary mirror is installed on the supporting frame through a secondary mirror positioning module and a fine adjustment module; and the fine adjustment module can dynamically adjust the secondary mirror to realize six-degree-of-freedom adjustment of the secondary mirror. According to the invention, the problem of position offset generated when three position degrees of freedom and three angle degrees of freedom of the secondary mirror are adjusted in place and then assembled by using six-degree-of-freedom auxiliary adjustment equipment at present is solved, the adjustment process of the secondary mirror of the large-aperture off-axis telescopic system is simplified, and the adjustment efficiency is improved.

The invention belongs to the field of ocean engineering and floating body structures, discloses a modularized movable variable-structure floating body platform and an operation method thereof, and is suitable for multi-scene application of short-term or temporary operation on the sea. In the towing process of the platform, chain type arrangement is adopted, all floating body units are connected through spherical hinge connectors, water resistance is effectively reduced, towing efficiency is improved, and safe transfer is achieved through a tugboat and an auxiliary boat. After the platform arrives at a target area, the platform flexibly adjusts the floating body units through the tugboats, the auxiliary boats, the mechanical arms and the connecting rods, chain type arrangement is changed into an array type structure, stable multi-column arrangement is formed, and different operation requirements are met. Due to the modular design, the platform has high expansibility and is convenient to maintain and recombine. The marine floating body platform is flexible, low in cost and environmentally friendly, has high wind wave resistance and wide application prospects, and is particularly suitable for various temporary marine operations such as marine monitoring, equipment installation and marine emergency.

The bionic wallboard unit comprises a heat preservation layer, a bearing layer, a heat insulation layer and a protection layer, and a plurality of honeycomb cavities are formed in the outer side of the heat preservation layer; the bearing layer is arranged on the outer side of the heat preservation layer, and a plurality of parallel reinforcing protruding ribs are arranged on the outer side of the bearing layer. The heat insulation layer is sprayed on the outer side of the bearing layer and is used for bonding the bearing layer and the protection layer, so that the connection between the heat insulation layer and the bearing layer and the connection between the heat insulation layer and the bearing layer are jointly ensured by the chemical bonding force between the heat insulation layer and the bearing layer and the mechanical occlusal force formed by the reinforcing convex ribs; the protection layer is arranged on the outer side of the heat insulation layer, and a plurality of grooves matched with the reinforcing protruding ribs are formed in the inner side of the protection layer in parallel. Each layer structure of the wallboard unit provided by the embodiment is connected in parallel, the function is independent, and the function failure of the whole wallboard caused by the failure of a single layer structure can be avoided; the partition design of the inner cavity structure and the outer heat insulation coating reduces the heat transfer coefficient of the wallboard, and simultaneously reduces the thickness of the cavity and the thickness of the coating, so that high heat preservation is realized by the thin wallboard.

The utility model relates to the technical field of agricultural landscaping. A water system abrupt slope landscape gabion revetment comprises a plurality of gabion sets, and the gabion sets are laid on a river levee in a stepped mode. Each gabion group comprises a first gabion net cage and a second gabion net cage; the section of the first gabion net cage and the section of the second gabion net cage are rectangular, and the second gabion net cage is arranged in the first gabion net cage in a concentric-square-shaped mode. The interior of the second gabion net cage is a planting groove space; a slope type third gabion net cage is arranged on the inner side, opposite to the river bank, of the first gabion net cage at the lowermost end of the gabion set; each of the first gabion net cage, the second gabion net cage and the third gabion net cage comprises a net cage main body enclosed by a plurality of steel bars and steel wire meshes arranged among the steel bars, and the first gabion net cage and the third gabion net cage are filled with protective stones. The water system abrupt slope landscape gabion revetment is reasonable in structure, stable in revetment structure and high in adaptability to a water bank abrupt slope.

The present application discloses a liquid lens assembly, a camera module and an electronic device. The liquid lens assembly includes: a liquid anti-shake lens; a liquid focus lens, and the liquid focus lens is stacked and connected with the liquid anti-shake lens. The liquid lens assembly provided in the present application includes a liquid anti-shake lens and a liquid focus lens. Therefore, the liquid lens assembly can realize the anti-shake function through the liquid anti-shake lens and realize the focusing function through the liquid focus lens. That is, for the liquid lens assembly, the anti-shake function and the focusing function are realized by different liquid lenses. This is different from the related art, in which the anti-shake function and the focusing function are realized by the same liquid lens, which can avoid the problems of blurred imaging and poor imaging quality when the liquid lens assembly is used in the camera module.

The invention provides a stopping device of a roller shutter door motor, and relates to the technical field of roller shutter doors. The stopping preventing device of the roller shutter door motor comprises a roller shutter door body, a winding roller, a first motor, a second motor and an oil coating brush, the roller shutter door body is wound on the outer surface of the winding roller, fixing plates are fixedly connected to the two ends of the winding roller, a mounting plate is arranged above the winding roller, the first motor is fixedly connected to the bottom of the mounting plate, and the second motor is fixedly connected to the bottom of the mounting plate. The driving end of the first motor is fixedly connected with a driving rod, the end, away from the first motor, of the driving rod and the end, away from the winding roller, of the driving rod are fixedly connected with transmission gears in a penetrating mode, and the outer surfaces of the two transmission gears are connected with a transmission chain in an engaged mode. The lead screw is driven by the second motor, so that the stopping plate can rapidly and accurately move to the preset position to make contact with the driving rod of the first motor and achieve stopping, the roller shutter door is effectively prevented from being opened or closed under the uncontrolled condition, and safety and stability are enhanced.

The utility model relates to a torque fixing sleeve structure for a built-in motor of an electric power-assisted bicycle. The torque fixing sleeve structure comprises a center shaft, a torque sensor, a shell, a circlip for a shaft, a torque fixing sleeve and a fixing screw, the torque sensor is sleeved on the middle shaft, and the axial movement of the torque sensor is limited by the elastic retainer ring for the shaft; the torque sensor is sleeved with the torque fixing sleeve, four right positioning grooves and two left positioning grooves are formed in the two ends of the torque fixing sleeve respectively, and the right positioning grooves and the left positioning grooves are clamped with the inner wall of the shell. The torque fixing sleeve is fixed to the shell through a fixing screw, a wiring port and a wiring channel groove are formed in the torque fixing sleeve, and a sensor wiring harness penetrates through the wiring port and is contained in the wiring channel groove. The problems of high cost, complex structure and difficult maintenance are solved.

The present application relates to the technical field of unmanned aerial vehicle software architecture, and particularly relates to an open unmanned vehicle navigation control software architecture implementation method, which comprises a functional node group, a node manager, a message transmission manager, a parameter server and a control algorithm library. The functional node group is a cluster of several independent functional nodes, the architecture unifies the external interface function form of each node and is uniformly managed by the node manager; the message manager is a low-overhead high-real-time message transmission mode used for message interaction between nodes; the software architecture is built-in with a parameter server capable of realizing parameter registration, storage and reading functions; meanwhile, some commonly used control algorithm libraries are configured for use by each node. The unmanned vehicle navigation control software architecture has the characteristics of low hardware overhead, high real-time performance, good scalability, supports multi-person collaborative development and can effectively reduce the software development threshold and cycle.

A multifunctional integrated ground testing system for spaceborne equipment is disclosed, covering the multifunctional testing field of spaceborne equipment. It provides reliable support for the functional performance testing of spaceborne equipment. The system includes an integrated management module, a telemetry and data processing unit, an interface forwarding simulator, a Ka-band converter, an RF link network, an interface forwarding network, and power supply equipment. Adopting a modular design, it features data interaction between the various components of the integrated ground testing system, human-machine interaction, remote control command parsing and distribution, telemetry information parsing, display and storage, health information monitoring, and dynamic signal simulation parameter calculation and distribution. This system solves major problems such as the limited number of connected spaceborne equipment and the single nature of functional performance test items, providing reliable and stable technical support for the ground testing of spaceborne equipment.

This invention discloses a mouse fixation device for multi-site acupuncture experiments, belonging to the field of mouse acupuncture point experiments. It consists of a support base, a telescopic support rod, and a mouse fixation assembly, which is movably connected to the support rod. The mouse fixation assembly includes a bracket and upper and lower fixation plates, which are adjustable in multiple dimensions via first and second self-locking rotating shafts. The upper and lower fixation plates close with an interference fit between fitting bosses and fitting openings. The central operating port is equipped with a rigid rubber adjustable fixing grid, which, along with a lever, can avoid acupuncture points. The lower fixation plate grid has adhesive straps corresponding to the mouse's limbs and head, with pre-reserved gaps between the plates. A suction cup is provided at the bottom of the support base to stabilize the device. This device achieves double secure fixation of the mouse, with flexible and adjustable operating angles, avoiding acupuncture point obstruction, protecting the mouse from mechanical damage, improving the accuracy and efficiency of acupuncture experiments, and adapting to the needs of multi-site acupuncture experiments on mice.

This utility model discloses a safety control mechanism for the pilot oil and main oil circuit of a servo valve, relating to the field of hydraulic control technology. It includes a pilot oil control module, a main oil circuit control module, and a monitoring and feedback module. The pilot oil control module includes a pilot oil flow sensor and a pilot oil pressure regulating valve. The pilot oil flow sensor is used to monitor the flow rate of the pilot oil in real time. The main oil circuit control module includes a main oil circuit solenoid directional valve, a main oil circuit relief valve, and a main oil circuit pressure sensor. Through the coordinated operation of the pilot oil flow sensor and the pilot oil pressure regulating valve, the pressure and flow rate of the pilot oil are monitored and dynamically adjusted in real time, providing precise control signals to the servo valve. This solves the problem of deviations in servo valve action caused by control signal fluctuations in traditional mechanisms, making the control of servo valve spool displacement and other aspects more precise. The main oil circuit pressure sensor is installed close to the servo valve, enabling timely capture of pressure changes and rapid directional switching in conjunction with the main oil circuit solenoid directional valve.

The invention discloses an anti-islanding driving circuit suitable for a distributed photovoltaic grid-connected circuit breaker. The anti-islanding driving circuit comprises a DC-DC power supply circuit, a super-capacitor charging control circuit, a super-capacitor boost discharging circuit, a motor driving circuit, a motor charging linkage circuit and a motor current-limiting protection circuit. The DC-DC power supply circuit converts 12V input voltage into motor target voltage, the super capacitor charging control circuit adopts double NPN triodes and diodes to prevent reverse breakdown, and charging is stopped when the motor is started. The super capacitor boost discharge circuit supplies power to the motor when the main power supply is powered off. The motor driving circuit controls operation of a motor through logic level signals, a sampling resistor monitors input current, and the linkage circuit adopts AND gate logic peak shifting power utilization. And the current-limiting protection circuit realizes overcurrent protection through the current induction amplifier and the control triode. According to the invention, the photovoltaic grid-connected connection can be automatically disconnected, the islanding effect is prevented, and the reliability and the stability are high.

The invention belongs to the technical field of electric mechanism tests, and relates to an electric mechanism balancing detection loading device and method, and the device comprises a loading unit and a control unit. The loading unit is used for loading the tested electric mechanism; the control unit is used for controlling the loading unit to simultaneously acquire the load and the displacement of the tested electric mechanism under load; and whether balancing is carried out or not is judged according to the load and displacement of the loaded electric mechanism. The loading unit comprises a reduction gear motor, a chain, a magnetic powder clutch, a rack, a displacement sensor and a tension and compression sensor; the reduction gear motor drives the magnetic powder clutch through a chain; the magnetic powder clutch drives the rack, one end of the rack is connected to the loading platform after being connected with the displacement sensor, the other end of the rack is connected with the tested electric mechanism, and the other end of the tested electric mechanism is connected to the loading platform after being connected with the tension and compression sensor.

The invention discloses a black vehicle-oriented real-time point cloud fusion detection method, system and device, and a medium. The method comprises the following steps: step 1, obtaining point cloud data through a laser radar; 2, scanning the point cloud data, marking the continuous point cloud blocks with the reflection intensity of 0 as unlicensed car identifiers, and storing the unlicensed car identifiers in point cloud attribute positions; step 3, performing dual-thread compensation, performing clustering operation on the point cloud data set with the unlicensed car identifier by using DBSCAN, and performing imaging processing on a clustering operation result by using Point Pill to obtain a three-dimensional image model; forcibly outputting an unlicensed vehicle detection frame image according to an image processing result or improving the confidence coefficient as an unlicensed vehicle compensation confidence coefficient, and preferentially adopting a model result; when the two conditions do not belong to the above two conditions, performing weighted fusion on the operation result; and step 4, fusing operation results in the step 3 into a complete three-dimensional frame image. Therefore, the problem of missing detection is solved, and the detection rate and detection efficiency are improved.

The application belongs to the field of vehicle equipment and relates to a compact hydraulic tail door with a lifting function and a control method thereof. The tail door comprises a tail door body and a tail door rotating shaft fixedly connected to one side of the tail door body. The first piston rod is hingedly connected to the tail door rotating shaft and is further connected to the tail door rotating shaft through a helical gear mechanism, so that the tail door can drive a heavy object to vertically lift and has a turnover opening function. The tail door has the advantages of compact structure, reliable locking, stable action, strong impact resistance and non-stuck, and can be widely applied to vehicles that require the tail door to have the functions of driving a heavy object to lift and turnover opening and closing.

The utility model provides an air conditioner indoor unit which comprises a first unit body and a second unit body. The first machine body comprises a first machine shell and a first draught fan arranged in the first machine shell, a first air outlet is formed in the first machine shell, and the first draught fan is used for blowing out airflow in the first machine shell through the first air outlet. The second machine body comprises a second machine shell and a second draught fan arranged in the second machine shell, a second air outlet is formed in the second machine shell, and the second draught fan is used for blowing out airflow in the second machine shell through the second air outlet. The first machine shell and the second machine shell are connected in a hinged mode so that the first machine body and the second machine body can rotate relatively. The indoor unit of the air conditioner is highly innovative in the aspect of overall modeling, and the problems that the air outlet direction of the indoor unit of the air conditioner only depends on an air guide device, and the adjustable angle range is too small are solved.

The invention discloses a speech recognition system based on a convolutional enhanced self-attention model of an improved scoring matrix. In the invention, a new relation calculation module (RCM) is introduced, so that the attention recovery decoding method is optimized. The module aims to mitigate error accumulation in an attention recovery decoding method, thereby reducing the influence of CTC decoding errors on subsequent attention recovery. In addition, the system also introduces a jump fusion module (SFM) to integrate shallow and deep features. The limitation that a Conformer encoder lacks inter-layer skipping connection is solved, and the capability of effectively capturing and utilizing contextual information of the model is enhanced. Comparison experiments show that a graph-based method improves the recognition rate, especially on a relatively small Uygur language data set. Compared with a baseline model, the method has the advantages that the character error rates are respectively reduced by 0.03%, 0.35% and 0.44%. On a GeneralSpeech16.1 Uygur language data set, the character error rate of the method is 4.19%, and is reduced by 1.56% compared with that of a baseline model.

The application discloses a multifunctional industrial robot gripper, and belongs to the technical field of robot end actuators, which comprises a mechanical arm connecting frame and a cylinder clamping mechanism arranged below the mechanical arm connecting frame, the cylinder clamping mechanism can rotate around its own axis; a clamping ring assembly is arranged on the cylinder clamping mechanism, a plurality of clamping heads are arranged on the clamping ring assembly in a circumferential direction, and the clamping heads can be switched by rotating around the own axis; the clamping ring assembly is driven to move towards or away from each other by a forward and reverse screw rod, so as to clamp an object to be clamped; a camera assembly is arranged in the cylinder clamping mechanism, and the camera assembly is driven to rotate around its own axis by a driving mechanism, so as to change an observation angle. The application realizes the integration of the clamping head switching, clamping and visual observation structure, and improves the adaptability of the gripper to multiple types of objects.

The invention provides a mobile oxyhydrogen electricity, heat and cold combined supply system and a capacity configuration method, and relates to the technical field of energy. A photovoltaic module is arranged at the top of the integrated device, and hydrogen storage equipment, oxygen storage equipment, heat storage equipment and cold storage equipment are arranged outside the integrated device; the integrated device comprises an electric energy conversion module, a liquid purification module, an electrolytic cell module, a hydrogen energy fuel cell module, a heat management module, a refrigeration module and a control module. According to the movable hydrogen-oxygen-electricity cold-heat co-production system with multi-energy co-supply, high integration, intensive resources, convenient deployment and intelligent cooperation and the capacity configuration method thereof, hydrogen-oxygen-electricity-heat-cold multi-energy co-supply can be achieved, and the adaptability, flexibility and economical efficiency of the system are remarkably improved. The important defects that an existing mobile energy supply system is single in energy supply form, low in module integration level, low in comprehensive energy utilization rate, short in continuous operation time and the like are well overcome, and the requirements for high efficiency, flexibility and economical efficiency of the mobile energy supply system under various complex scene dynamic working conditions are met.

The utility model provides an air conditioner indoor unit which comprises a first unit body and a second unit body. The first machine body comprises a first machine shell and a first draught fan arranged in the first machine shell, a first air outlet is formed in the first machine shell, and the first draught fan is used for blowing out airflow in the first machine shell through the first air outlet. The second machine body comprises a second machine shell and a second draught fan arranged in the second machine shell, a second air outlet is formed in the second machine shell, and the second draught fan is used for blowing out airflow in the second machine shell through the second air outlet. The first machine body and the second machine body are arranged side by side and can respectively rotate around own axes so as to adjust the relative angle relation of the two. The indoor unit of the air conditioner is highly innovative in the aspect of overall modeling, and the problems that the air outlet direction of the indoor unit of the air conditioner only depends on an air guide device, and the adjustable angle range is too small are solved.

The utility model discloses a high-pressure cold air separation impulse system controlled by time sequence, the separation impulse system comprises a gas supply and distribution module, a time sequence control module and a function execution module, the time sequence control module is connected with the gas supply and distribution module through a cable, and the gas supply and distribution module is connected with the function execution module through a pipeline. The high-pressure cold air separation impulse system provided by the utility model takes high-pressure cold air of air, nitrogen and other gases as a power source to replace a traditional firer power source, has the capabilities of repeated use and high-speed actuation, has the advantages of pressure monitoring, temperature monitoring, no environmental pollution and the like, and solves the problem of non-repeated use in actual engineering.

The invention relates to the technical field of electric energy box equipment, and provides an anti-electric shock safe electric energy metering box which comprises an electric energy metering box body, a mounting base is arranged at the bottom end of the electric energy metering box body, the electric energy metering box body is mounted in a top groove of the mounting base, and a mounting back plate is fixedly connected to the top end of the mounting base. A groove is formed in the mounting base; according to the scheme, the electric energy metering box body is embedded into the three-face surrounding type insulation assembly composed of the installation base, the installation back plate and the installation top plate, so that the metal box body is completely covered, an effective current path cannot be formed even if internal electric leakage occurs and external personnel make contact with the surface of the insulation assembly, and electric shock is avoided; the whole structure achieves electric shock prevention through insulation wrapping, achieves dust prevention through the unfoldable roller shutter, and the two share the same installation frame, are independent in function and do not interfere with each other, and are suitable for long-term safe operation in a complex outdoor environment.

The utility model discloses a device for automatically conveying fungus bags, which relates to the technical field of fungus bag processing, and comprises a conveying line group used for primarily conveying materials; the hoarded bag pushing mechanism is located above the conveying line set and used for pushing the materials to the hoarded bag position; the summarizing and bag pushing mechanism is located below the frame lifting mechanism and used for summarizing the materials and pushing the materials to a designated position; the frame lifting mechanism is used for lifting materials; the bag pushing mechanism and the plate pulling mechanism are both installed on a lifting frame, and the lifting frame is located below the frame lifting mechanism and used for executing bag pushing and plate pulling actions; the frame moving mechanism is located on the right side of the frame lifting mechanism and used for moving the fungus bag frame. The conveying device has the advantages of being convenient to maintain, accurate and efficient in conveying and wide in application.

The utility model discloses an integrated cabinet body of flywheel converter, and the cabinet body is divided into power area and control area through the partition structure, at least one pull-out box is equipped in the control area, the pull-out box is used for installing the control component and is convenient for pull-out maintenance, the partition structure includes partition frame and the baffle covered and installed on the partition frame, realizes the physical isolation of power area and control area, thereby integrates power area and control area in the same cabinet body, realizes functional isolation through the baffle at the same time, greatly reduces the overall floor area, improves single cabinet space utilization, especially suitable for the scene of higher space compactness requirement such as computer lab, energy storage power station. Through the setting of pull-out box, it is convenient to directly pull out the cabinet operation, does not need to dismount fixed bolt or removes the periphery component as a whole, and maintenance time is shortened.

This utility model discloses a water-saving building water supply and drainage device, relating to the field of building water supply and drainage technology. The device includes a valve housing, a valve core, and an inlet pipe. The valve core is inserted into the inner side of the valve housing, and the inlet pipe is also inserted into the inner side of the valve core. The valve core consists of a throttling valve and an opening / closing valve. The opening / closing valve is connected to the top of the throttling valve. The throttling valve controls the outflow rate, while the opening / closing valve controls the opening and closing of the device. A ball core is inserted into the inner side of the throttling valve, and this ball core is connected to a connecting rod that passes through the throttling valve to the outer side. A knob is sleeved on the outer side of the connecting rod, and the knob is fixed to the connecting rod by connecting bolts. The valve housing includes a plug-in shell, a valve handle, and a fixing ring. A positioning ring and an outlet pipe are set on the outer side of the plug-in shell. The outlet pipe is equipped with an aerator and has a sealing ring on its inner side. A sleeve is connected to the inner side of the valve handle, which cooperates with the plug-in rod at the top of the opening / closing valve to control opening and closing. A nut is fitted on the outer side of the inlet pipe. This device achieves independent control of flow regulation and opening / closing, resulting in good water-saving performance, convenient operation, reliable sealing, and a simple and easy-to-maintain structure.

The present application provides a method for switching a driving assistance control mode and related equipment, the method comprising: determining a target deceleration based on vehicle driving direction detection information and vehicle driving state information; obtaining a driver's braking operation on the vehicle when the vehicle is in an adaptive cruise mode and the target deceleration does not match the vehicle in the adaptive cruise mode; avoiding emergency braking by switching the vehicle to an automatic emergency braking mode when the braking operation is effective. In this way, the vehicle's adaptive cruise mode interacts with the automatic emergency braking mode, and when the braking operation is invalid, the ACC mode is exited, the braking pressure is maintained but not released, so that the vehicle quickly and smoothly switches to the AEB mode for further braking, ensuring that the pressure does not decrease first and then increase during the switching between the two modes, causing the vehicle to shake violently, and ensuring safety and comfort during driving.