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104results about How to "Flexible control" patented technology

Vacuum circuit breaker with signal feedback mechanism

The utility model relates to the field of electric power system and high voltage switch equipment discloses vacuum circuit breaker with signal feedback mechanism, including arc extinguishing chamber, the bottom fixedly connected with mechanism box of arc extinguishing chamber, the outside of mechanism box is provided with quick -witted connection mechanism, the top fixedly connected with voltage transformer of quick -witted connection mechanism, the outside fixedly connected with base of mechanism box, the outside of base is provided with quick -witted break mechanism, quick -witted connection mechanism includes support connecting plate, the outside fixedly connected with air cylinder no.
Owner:DUDLEY HLDG GRP CO LTD

Coal-fired unit deep peak shaving system coupled with electric heating high-temperature phase change heat storage

The invention discloses a coal-fired unit deep peak shaving system coupled with electric heating high-temperature phase change heat storage, and relates to the technical field of power generation. The matching capacity of the heat storage system and the full-working-condition operation parameters of the high-parameter coal-fired unit can be effectively enhanced, so that the deep peak regulation capacity and the variable load rate of the coal-fired unit are improved, meanwhile, the energy density, the electricity-heat conversion efficiency and the economic benefits of the heat storage device are improved, and the unit can be prevented from running in an over-low load mode so as to improve the efficiency and prolong the service life. The coal-fired unit deep peak shaving system comprises a coal-fired unit and a high-temperature phase change heat storage system. According to the invention, the peak regulation flexibility of the coal-fired unit is improved, the energy density, the electricity-heat conversion efficiency and the economic recovery period of the heat storage device are also improved, and the over-low load operation of the unit can be prevented so as to improve the efficiency and the service life.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Control method, device, storage medium and program product for a vehicle-mounted solar system

PendingCN122512846AImprove the power replenishment effectflexible control
The application provides a control method, device, storage medium and program product of a vehicle-mounted solar system, and relates to the technical field of vehicles. The control method of the vehicle-mounted solar system comprises the following steps: acquiring environment perception data of an environment in which a vehicle is located; determining whether a photovoltaic unit has an unfolding condition according to the environment perception data; taking the photovoltaic unit that has the unfolding condition as a candidate photovoltaic unit; determining a target photovoltaic unit that has a power generation condition in the environment in which the vehicle is located from the candidate photovoltaic units according to the environment perception data; and controlling the target photovoltaic unit to unfold and generate solar power. The application can improve the energy supply efficiency of the vehicle-mounted solar system.
Owner:ZHEJIANG GEELY HLDG GRP CO LTD +1

A novel composite heat exchange vehicle-mounted refrigerator

ActiveCN224285054UAchieve deep cooling capabilitiesEnhanced peak cooling powerDomestic refrigeratorsMachines using electric/magnetic effectsHeat managementIcebox
This utility model discloses a novel composite heat exchange vehicle-mounted refrigerator, relating to the field of vehicle-mounted refrigeration technology. It includes a housing, a novel composite heat exchange system, and a control system. The novel composite heat exchange system includes: a main refrigeration unit, utilizing a cold source and a cold storage medium within an energy storage body for refrigeration or cold storage; and a secondary refrigeration unit, including a semiconductor refrigeration element. The cold end of the semiconductor refrigeration element is coupled to the system's airflow path or energy storage body to provide supplementary or deep refrigeration, while its hot end dissipates heat through a heat dissipation structure. The heat dissipation structure is immersed in the cold storage medium, utilizing the cold storage medium to absorb heat from the hot end. This utility model, by combining the main refrigeration unit and the secondary refrigeration unit and optimizing the thermal management of the secondary refrigeration unit, achieves stronger refrigeration capacity and can meet lower refrigeration temperature requirements.
Owner:WUHAN KAIWATSON IND TECH CO LTD

Full-link log tracking method and device based on VLESS protocol, equipment and medium

PendingCN121979697AHigh efficiency in troubleshootingHigh operation and maintenance efficiencyInterprogram communicationTransmissionData packTransport layer
The invention provides a full-link log tracking method and device based on a VLESS protocol, equipment and a medium, and the method comprises the steps: receiving and configuring tracking option parameters when a proxy protocol client instance is created, and building transmission layer connection to a bottom server when a client initiates an outbound connection request; meanwhile, detecting a context environment of the current request, and extracting an identifier as a link tracking identifier; when the client side carries out application layer protocol handshake, the link tracking identifier is packaged into a handshake data packet of a protocol and is sent to the server side; the server receives and analyzes the handshake data packet, and extracts a link tracking identifier from the handshake data packet; and then a context object of the current session of the server is obtained, and the extracted link tracking identifier is written into the context object to replace or set a log identifier of the current session of the server, so that unification of the client and the log identifier of the server is realized, and a request of each client can correspond to a log of the server, thereby being convenient for a user to use.
Owner:FUJIAN ZIXUN INFORMATION TECH CO LTD

Wireless electric blanket control circuit, wireless electric blanket control device and wireless control electric blanket

The utility model discloses a wireless electric blanket control circuit, a wireless electric blanket control device and a wireless control electric blanket, which are applied to a wireless transmitting end and a wireless receiving end of a wireless electric blanket. The wireless transmitting end comprises a first microcontroller unit, a wireless transmitting unit, an LCD display unit, an operation panel unit, a second microcontroller unit, an AC / DC power conversion unit, a wireless receiving unit and an LED module. Remote control and state monitoring of the electric blanket are achieved through the wireless communication technology, a user can remotely control the electric blanket through the wireless transmitting end and does not need to directly make contact with the electric blanket or a control panel of the electric blanket, convenience and comfort of the user are improved, control over the electric blanket is more flexible, and user experience is improved. The electric blanket can be controlled at any position in a room and is not limited by positions. The wireless electric blanket control circuit provided by the utility model improves the user experience, enhances the flexibility and functionality of the electric blanket, and realizes intelligent control.
Owner:HEBEI VIGNAS ELECTRIC CO LTD

Pump power supply control circuit for high-side driving

ActiveCN224191842UBreak through the power bottleneckStrong power outputApparatus without intermediate ac conversionPower controllerControl signal
The utility model relates to the technical field of power supply control, in particular to a pump power supply control circuit for high-side driving. The circuit comprises a pump power supply controller which is used for generating a driving control signal and adjusting the driving control signal according to an error signal; the driving module is used for receiving a driving control signal; the power conversion unit is configured to boost a direct current input voltage into a pump voltage under the control of the driving module according to the driving control signal; the feedback sampling circuit is used for sampling the pump voltage and generating an error signal; the isolation feedback device is used for transmitting the error signal to the pump power supply controller in a potential isolation mode; the pump power supply controller takes the cathode of the DC input power supply as the reference ground, and the pump voltage takes the anode of the DC input power supply as the reference standard. The scheme is suitable for high-side driving application, is a pump power supply control scheme which is novel in structure, stable in performance, flexible in control and controllable in cost, and has good popularization and application prospects.
Owner:CRYSTAL LATTICE (SHENZHEN) INTELLIGENT EQUIPMENT TECHNOLOGY CO LTD

Robot control method based on cloud collaboration, cloud server and storage medium

The invention relates to the technical field of artificial intelligence and cloud communication, and discloses a robot control method, which comprises the following steps: receiving and analyzing a task request of a robot terminal to obtain a unique encrypted digital identity identifier of the robot terminal and a task type identifier of a task to be executed, determining an independent computing container of the robot terminal in the cloud server according to the unique encrypted digital identity identifier, determining a task type of the to-be-executed task according to the task type identifier, determining an execution main body of the to-be-executed task based on the task type and a preset scheduling strategy, and if the execution main body is the robot terminal, executing the to-be-executed task. The cloud server sends an execution instruction to the robot terminal to drive the robot terminal to execute the to-be-executed task to obtain an execution result, if the execution main body is the cloud server, the to-be-executed task is executed in the independent computing container to obtain the execution result, the execution result is sent to the robot terminal, and the robot terminal executes corresponding operation according to the execution result. According to the invention, cloud cooperative control of the robot terminal is realized.
Owner:肖冬生

Round pipe orifice grinding device for heating and ventilation

ActiveCN224059394Ustable enoughquick sandingEdge grinding machinesGrinding drivesElectric machineryDrive motor
The utility model discloses a heating and ventilation round pipe orifice polishing device which comprises a workbench, a fixed seat is fixedly connected to the workbench, a movable seat is arranged on one side of the fixed seat, the movable seat is in sliding connection with the workbench, the upper end face of the fixed seat and the upper end face of the movable seat are each fixedly connected with two symmetrical positioning frames, and placing rollers are fixedly connected to the positioning frames. A fixing frame is fixedly connected to the upper end face of the workbench, the distance between the movable base and the fixing base can be adjusted through movement of the movable base, a pipeline can be placed in cooperation with use of placing rollers on the upper end face of the movable base and the upper end face of the fixing base, and a first electric telescopic column stretches out to drive a lower pressing block to move downwards; the upper end of the pipeline is fixed through cooperation with a V-shaped groove in the lower end face of a lower pressing block, it is guaranteed that the pipeline is kept stable enough in the clamping and fixing process, the grinding disc is driven to rotate rapidly through cooperation with use of a driving motor, a pipe opening of the pipeline is ground rapidly and accurately, and the working efficiency is improved.
Owner:ANHUI YUXINSHENG HVAC TECHNOLOGY CO LTD

Flying saucer type 360-degree omnidirectional driving device

PendingCN121990202AImplement translationachieve steeringRotocraftFlight vehicleClassical mechanics
The invention discloses a flying saucer type 360-degree omnidirectional driving device which comprises a main shaft (1), a bearing (2), a support seat (3) and a power propelling assembly (7). The power propulsion assembly (7) blows air downwards to generate lift force, can tilt outwards to form a state B by taking a vertical state A as a reference, and further tilts leftwards and rightwards on the basis of the state B to form a superposition state of D, E, G, H and B, and the adjustment angles are respectively 5-30 degrees outwards and 5-50 degrees leftwards and rightwards. The device can be provided with one to two groups of driving units, each group comprises 2-6 sets of power propelling assemblies, and lifting force is converted into horizontal component force through inclined arrangement, so that 360-degree translation and steering around a main shaft are realized; when two groups of driving units are adopted, the two groups of driving units rotate oppositely to counteract torsion, so that the spindle and an external structure are prevented from spinning. The omni-directional vector driving device is simple in structure, flexible to adjust, capable of achieving omni-directional vector driving, suitable for the flying saucer type aircraft and high in maneuverability and flight stability.
Owner:陆永福

Crane controller with integrated structure

The utility model relates to a crane controller with an integrated structure. The crane controller comprises a wireless communication unit, a logic control unit, a motor control unit A, a motor control unit B, a motor control unit C, a signal interface unit and a radiator. Compared with the prior art, the utility model has the advantages that: 1) the wireless communication unit, the logic control unit, the motor control unit A, the motor control unit B and the motor control unit C adopt an integrated design, the structure is compact, and the cost is low; 2) the signal interface adopts a quick plugging mode, so that the installation and the maintenance are convenient; and 3) the wireless communication unit and the logic control unit are integrated on one circuit board, the control is flexible, and the reliability is high. And 4) the motor control unit A, the motor control unit B and the motor control unit C all adopt modular design and are integrally fixed on the radiator, so that the power density is high, the size is small, and light weight is facilitated. And 5) an integrated structure design is adopted, a rapid plugging connection mode is adopted, the protection level is high, and the product life cycle is long.
Owner:XINRUISHIKE (BEIJING) INFORMATION TECH CO LTD

Automatic pool cleaning device and control method thereof

The application provides an automatic pool cleaning device and a control method thereof. The automatic pool cleaning device is provided with a first sensor arranged at an intersection area between the front and the first side of the automatic pool cleaning device. The control method comprises: controlling the automatic pool cleaning device to move along a preset path in the pool; sensing information of the front and the first side of the automatic pool cleaning device through the first sensor; and controlling the automatic pool cleaning device to execute different movement rules based on whether the first sensor receives pool wall information from the first side of the automatic pool cleaning device. The method realizes adaptive adjustment of the cleaning path of the automatic pool cleaning device based on the pool wall information from the first side of the automatic pool cleaning device, and further improves the cleaning efficiency of the robot.
Owner:YUANDING INTELLIGENT TECHNOLOGY (SUZHOU) CO LTD

A linear sweep laser generating device

The application relates to a linear sweep frequency laser generating device, which comprises a semiconductor laser, a driving circuit, a laser beam splitter, a laser frequency discriminator unit, a radio frequency signal generating unit and a laser frequency shift unit; the semiconductor laser is controlled by the driving circuit to generate sweep frequency laser, and is divided into two beams by the laser beam splitter and enters the laser frequency discriminator unit and the laser frequency shift unit respectively; the laser frequency discriminator unit extracts a nonlinear sweep frequency component of the sweep frequency laser and generates a control signal to control the radio frequency signal generating unit; the radio frequency signal generating unit generates a radio frequency signal with a frequency opposite to that of the nonlinear sweep frequency component according to the control signal to drive the laser frequency shift unit; the laser frequency shift unit modulates the frequency of the radio frequency signal on the input light frequency to offset the nonlinear sweep frequency component of the sweep frequency laser and output linear sweep frequency laser. Compared with the prior art, the application has the advantages of high sweep frequency rate, large sweep frequency range and linear sweep frequency laser.
Owner:SHANGHAI JIAOTONG UNIV

A data construction method, device and equipment and readable storage medium

The application provides a data construction method and device, equipment and readable storage medium, relates to the technical field of data processing, and comprises receiving a user triggered quota system to be configured information change request, the to-be-configured information change request comprises quota information, the quota information is a quota control dimension type and an effective state; according to the Spark algorithm, the to-be-configured information is processed, and a to-be-configured quota table is generated; and according to the to-be-configured quota table, whether the current business in the quota system in the to-be-configured quota table satisfies the configuration information change condition is judged, and if yes, the current configuration information is acquired. The beneficial effects of the application are that through the combination of tree structure storage, the control and background technology in the existing problems on the line level quota can be realized. Compared with the prior art, the algorithm provided in the application can realize flexible control of the line quota, no lack or omission, business personnel is easy to master, and configuration is flexible.
Owner:CHINA CITIC BANK CO LTD

Space long-life fiber grating temperature measuring demodulator

ActiveCN116399469BGuaranteed tight installationRealize optical power tuningThermometers using physical/chemical changesDetector circuitsGrating
This invention provides a long-life fiber Bragg grating temperature demodulator for space applications, comprising: a secondary power supply assembly, two mutually redundant signal processing and interface circuit boards, two mutually redundant light source drive circuit boards, two main and backup light source modules, two-channel secondary temperature control systems, and one detector circuit board. This invention is a fiber Bragg grating temperature demodulator based on SG-DBR swept-frequency laser demodulation technology. As a new generation of temperature measurement products, fiber Bragg grating temperature demodulators feature wide measurement range, flexible deployment, and light weight, making them ideal for applications requiring large-scale, multi-point temperature measurement of large, precision structures in spacecraft. To achieve multi-point temperature measurement on satellites, fiber Bragg grating temperature sensor networks can be deployed inside the satellite cabin and on antenna panels to monitor temperature changes in various parts of the satellite structure.
Owner:BEIJING AEROSPACE TIMES OPTICAL ELECTRONICS TECH

Illuminating system for industrial production automation assembly line

The utility model discloses a lighting system for an industrial production automation assembly line, which relates to the technical field of lighting systems, solves the problems that the lighting is difficult to regulate and control flexibly and the lighting of the assembly line needs to be maintained for a long time, and is characterized in that a control module realizes the accurate control on the on-off and brightness of an LED lamp according to the illumination intensity of a production environment; the sensing module comprises an illuminance sensor for monitoring the illumination intensity of a production environment; the communication module adopts a 4G LTE Cat 1 cellular communication module, so that data transmission between the control module and an upper computer is realized, and information is flexibly transmitted; the utility model discloses a lighting system for an industrial production automation assembly line, which realizes flexible control of lighting of the automation assembly line, improves the management efficiency and reduces the maintenance cost.
Owner:JINAN OUEN LIGHTING TECHNOLOGY CO LTD

Report development method and apparatus

ActiveCN116431118Bflexible controlAchieving Converged Use
The application relates to a report development method and device, which comprises the following steps: developing a report page plug-in by using a plug-in mechanism of magic-api, and using the plug-in to write and store a json configuration report page of amis; setting a custom module based on the report page, and using the custom module to encapsulate user data authority to filter preset data authority. The application stores the report page by developing the plug-in of magic-api, realizes the fusion use of front-end low code and back-end low code, completes the development of the amis page and the back-end interface, obtains user information by using a magic-api interceptor, and uses a current thread object to transmit the user information, so that the current user information can be obtained in the custom module; the magic-api custom module is developed, a comparison and intersection mode is used to realize data authority filtering, the above technical scheme can flexibly control the data authority, is perfectly fused with an existing business system, has rich page styles, and can customize the style of the system.
Owner:SHANGHAI ZHONGTONGJI NETWORK TECH CO LTD

A dishwasher water tank structure and a dishwasher thereof

The utility model relates to the technical field of dish-washing machine water inlet, propose a dish-washing machine water tank structure, including the box, be equipped with first waterway on the box, first waterway is equipped with the water inlet end that communicates the inner chamber of box, and the liquid outlet end that communicates dish-washing machine, the box is equipped with first switch valve for opening and closing first waterway water inlet end, first waterway water inlet end is closed, and liquid directly enters dish-washing machine through the first waterway of box, first waterway water inlet end opens, and liquid enters the box through the water inlet end of first waterway of box to store liquid in the box. By setting first waterway, water inlet end, liquid outlet end and first switch valve, flexible waterway control mode is provided for dish-washing machine water tank. In the dish-washing machine working process, when being in pre-washing and cold stage, no hot water is needed, first waterway water inlet end can be closed, liquid is not stored through water tank, directly enters dish-washing machine through first waterway, and the temperature requirement of different washing stages of dish-washing machine is adapted.
Owner:GUANGDONG FULONG ELECTRICAL APPLIANCE CO LTD

Thermal management system and vehicle

This utility model discloses a thermal management system and a vehicle. The thermal management system includes: a condenser on a first flow path, a heat exchanger on a first refrigerant branch, and the first flow path being connected to one of a second flow path, a first refrigerant branch, and a third refrigerant branch; an engine radiator and a heater core on a first circuit, and a heat exchange device on a second circuit; a first heat exchange channel connected in series on the second flow path, and a second heat exchange channel connected in series on the first circuit, with at least one of the first and second heat exchange channels exchanging heat with the engine's exhaust pipe; and a second heat exchange assembly, which includes a third heat exchange channel and a fourth heat exchange channel, the third heat exchange channel being connected in series on the refrigerant circuit, and the fourth heat exchange channel being connected in series on the second circuit. According to this utility model's thermal management system, while meeting the heating needs of the passenger compartment, it can reduce engine warm-up time during cold starts, reduce cold start fuel consumption, effectively save energy and reduce costs, and achieve integrated design.
Owner:GUANGZHOU AUTOMOBILE GROUP CO LTD

A multi-field coupling type elbow forming device and a method of using the same

The application discloses a kind of multi-field coupling type elbow forming device and its using method, belong to elbow forming technical field.Pursuant to the first aspect of the application, the multi-field coupling type elbow forming device, comprising: rack, propulsion unit, wheel mould unit, anti-wrinkle clamping unit, rotating press mould unit, current application point at the both ends of pipe fitting, the insulation component for isolating the current between pipe fitting and mould, state sensing unit for sensing elbow forming process state parameter and support part fixedly arranged above work panel and used for supporting pipe fitting;Based on electric auxiliary type elbow processing technology, by adopting sensing unit, the multi-field data in pipe fitting processing process is detected, and the best applied current is judged based on data information, and the elbow forming quality can be effectively improved;In addition, the application comprehensively insulates and protects the various contact positions of pipe fitting and elbow processing device, effectively prevents the applied current and equipment loop, solves the technical problems such as production safety hazard.
Owner:SHANDONG UNIV

A new type of highway lane controller

ActiveCN224436929UMake up for the shortcomings of maintenance hassleseasy maintenanceControl engineeringModular design
This utility model relates to the field of controller technology, specifically to a novel highway lane controller, comprising a housing and a main control module, an I / O control module, a data exchange and transmission module, a sub-control communication module, and a power supply module disposed within the housing. Through the quick-installation structure of the housing and the modular design of the internal components, it overcomes the shortcomings of cumbersome maintenance found in general-purpose industrial control computers, making maintenance more convenient and faster, and reducing maintenance costs. By setting up interconnected main control modules, I / O control modules, data exchange and transmission modules, and sub-control communication modules, it can effectively meet on-site requirements, enabling flexible configuration and control according to the actual conditions of the lanes, improving vehicle traffic efficiency, and providing more stable performance. With a high degree of integration, it offers better cost-effectiveness than general-purpose industrial control computers, reducing highway operating costs.
Owner:SHANDONG JINGYUN INFORMATION TECH

A glass wipe

ActiveCN224612519Uflexible controlAutonomous working status switching
This utility model discloses a glass cleaner, including: a handle, a cleaning body hinged to the end of the handle, a cleaning component movably disposed on the cleaning body, and a drive module. The drive module is movably disposed on the cleaning body and is connected to the cleaning component in a transmission manner. When the handle is driven to move the cleaning body along the surface to be cleaned, and the drive module collides with an external object protruding from the surface to be cleaned, the drive module moves relative to the cleaning body, causing the cleaning component to move relative to the cleaning body, so that the cleaning component moves towards the surface to be cleaned until it comes into contact with the surface to be cleaned, so that the cleaning component cleans the surface to be cleaned when the handle moves the cleaning body along the surface to be cleaned.
Owner:西安佳品创意设计有限公司

A ride-on trowel

This utility model provides a ride-on power trowel, which includes a frame, a seat frame mounted on the frame, a rechargeable battery mounted in the seat frame, a first smoothing device mounted on a first side of the frame, a second smoothing device mounted on the first side of the frame, and an operating mechanism mounted on the frame for controlling the first and second smoothing devices. Each of the first and second smoothing devices includes a housing, a drive motor fixed to the housing and electrically connected to the rechargeable battery, a first gear mounted on the drive shaft of the drive motor and located in the housing, a gear set rotatably mounted in the housing and meshing with the first gear, an output shaft extending from the housing to the outside of the housing and rotatably connected to the housing, an output gear mounted on the output shaft and meshing with the gear set, and a smoothing assembly mounted on the extended end of the output shaft and on the housing.
Owner:ANHUI YAYAO CONSTR MASCH CO LTD

Lane identification method

The embodiment of the invention discloses a lane recognition method, and belongs to the technical field of vehicles, and the method comprises the steps: determining a to-be-driven lane based on the driving data of a vehicle; target driving lane information is determined on the basis of preset lane passing condition information, a to-be-driven lane and current time, and the target driving lane information is used for indicating a lane where the vehicle can pass at the current time; and executing a target driving service according to the target driving lane information. According to the invention, the accuracy and efficiency of identifying the time-sharing lane can be improved.
Owner:GUANGZHOU XIAOPENG CONNECTIVITY TECH CO LTD

A method and apparatus for painting a motor winding

ActiveCN115224899BControl multiple dimensionsflexible controlElectric machineMechanical engineering
This application provides a method for dripping varnish onto a motor winding, comprising: placing the motor winding in a dripping process box; and dripping varnish onto the motor winding during a first time period t1, wherein the dripping is performed under negative pressure, or sequentially under negative pressure and positive pressure; during negative pressure dripping, the pressure inside the dripping process box is a negative pressure P1, which is less than 0.101 MPa; during positive pressure dripping, the pressure inside the dripping process box is a positive pressure P2, which is greater than or equal to 0.101 MPa. The negative pressure dripping step facilitates varnish penetration and reduces voids, while the positive pressure dripping further reduces varnish overflow and improves the filling rate.
Owner:XIAMEN TUNGSTEN CO LTD

Automobile stamping part flatness detection device

The utility model discloses an automobile stamping part flatness detection device which comprises a workbench, the upper end face of the workbench is slidably connected with a moving plate, the upper end face of the moving plate is fixedly connected with two symmetrical fixing blocks, the fixing blocks are fixedly connected with electric telescopic columns, and the movable ends of the electric telescopic columns are fixedly connected with clamping blocks. The workbench is fixedly connected with a fixing frame, a displacement groove is formed in the inner top wall of the fixing frame, a displacement block is slidably connected into the displacement groove, two electric telescopic columns stretch out to drive two clamping blocks to move towards the center, a stamping part is clamped and fixed, and a first screw rod and the displacement block are in threaded connection in cooperation with operation of a first forward and reverse motor; the displacement block drives the electric telescopic rod and the dial indicator on the lower end face of the connecting plate to move flexibly, the dial indicator is driven to move downwards through stretching of the electric telescopic rod, the stamping part is detected, the stamping part detection efficiency and accuracy are improved, and the working efficiency is improved.
Owner:CHANGCHUN LIZHONG MOLDS MFG CO LTD

An elevator light curtain device and a method for controlling an elevator

This invention discloses an elevator light curtain device and a method for controlling an elevator. The invention discloses a light curtain emitting rod for emitting multiple infrared beams and generating at least two door-closing detection response signals using inductive effect; a light curtain receiving rod for receiving the infrared beams and determining the responses of multiple infrared beams in the elevator door area based on the infrared beams; a metal baffle guiding the light curtain emitting rod to sense and determine at least two door-closing detection response signals, and sending the multiple infrared beam responses and at least two door-closing detection response signals to a controller; and a controller for controlling the opening and closing of the elevator doors based on the multiple infrared beam responses and at least two door-closing detection response signals. In summary, the technical solution provided by this disclosure can flexibly control elevator doors, improve elevator operation safety, and adapt to diverse application scenarios.
Owner:NINGBO HONGDA ELEVATOR +2

A near-constant force magnetic spring device based on edge magnetic field compensation and a force value regulation method thereof

PendingCN122589911ABreak the limitations of fixed featuresNo friction and wear
The application discloses a near-constant force magnetic spring device based on edge magnetic field compensation and a force value regulation method thereof, and belongs to the technical field of electromechanical elements and precision machinery. The device comprises a magnetic circuit pair composed of a mover and a stator coaxially sleeved, the mover is a cylindrical permanent magnet with radial magnetization, the stator is a sleeve of soft magnetic material, the axial length of the sleeve is less than the axial length of the permanent magnet; and an adjusting and connecting mechanism for adjusting the initial insertion depth of the permanent magnet. The application actively shapes the force-displacement curve by regulating the permanent magnet parameters, the radial single-sided air gap, the sleeve length and other magnetic circuit parameters, and combines with the initial insertion depth fine adjustment, so that the approximately constant axial magnetic elastic force can be generated within a wide working stroke. The device is non-contact and non-friction, the force value characteristics can be designed, and is suitable for occasions such as gravity compensation, vibration isolation and constant force suspension.
Owner:SHEN ZHEN SHI LIAN WEI BAN DAO TI SHE BEI YOU XIAN GONG SI

Rotor blade tip profiling design method, rotor blade and gas compressor

The rotor blade tip profiling design method comprises the following steps that a scraping and grinding coating is arranged on the side, facing a rotor blade, of a casing, a plurality of bosses are arranged at the blade tip of the rotor blade in the chord length direction, and all the bosses are scraped and ground with the casing in the initial state; the engine is operated, so that rotor blades are in a working state and are scraped and abraded with the casing; after the working state is finished, scraping and grinding data of the scraping and grinding coating in the chord length direction of the blade are obtained; and reversely designing the radial size of the rotor blade tip according to the scraping and grinding data. According to the method, on the basis of the relation between the blade tip shape and the blade tip gap, flexible, accurate and multi-point design and control can be reversely carried out on the gap in the chord length direction of the blade through the scraping and grinding data of the scraping and grinding coating. The invention further provides a rotor blade and a gas compressor.
Owner:AECC COMML AIRCRAFT ENGINE CO LTD