12results about How to "Implement redundant design" patented technology

The invention relates to the technical field of intelligent whistle limiting scheme design of rail locomotives, in particular to an intelligent whistle limiting method and system of a rail locomotive and electronic equipment. The method comprises the following steps: S100, acquiring GPS data and inertial sensor data of a rail locomotive; s200, performing data fusion based on the obtained GPS data and inertial sensor data of the rail locomotive to obtain fusion position data of the rail locomotive; and S300, judging whether the fusion position data of the rail locomotive is located outside a preset geo-fence or not, and judging whether to control the whistling function of the rail locomotive to be closed or not according to a judgment result. And by fusing the data of the GPS and the IMU, the positioning accuracy and stability are remarkably improved. The system redundancy design is realized, and the reliable positioning service can be maintained even in a severe environment. And through the use of the STM32 single-chip microcomputer, rapid and real-time data processing is realized, and the response speed of the system is improved. Unnecessary noise is reduced, and a better living environment is provided for residents.

The invention provides a low-altitude aircraft air-ground communication redundant networking system, method, device and equipment, and the method comprises the steps: building a first communication tunnel with a first airborne communication terminal of a low-altitude aircraft, and building a second communication tunnel with a second airborne communication terminal of the low-altitude aircraft, the first airborne communication terminal and the second airborne communication terminal correspond to different communication technologies respectively; when the first communication tunnel operates normally, air-ground data stream transmission between the aircraft control platform and the low-altitude aircraft is carried out through the first communication tunnel; and when the first communication tunnel has a fault, switching to the second communication tunnel to carry out air-ground data stream transmission between the aircraft control platform and the low-altitude aircraft. According to the invention, the redundancy design of air-to-ground communication is realized, and the reliability of an air-to-ground communication network is improved.

This invention discloses an electromagnet with redundant design, its usage method, and a circuit breaker. The electromagnet with redundant design includes a housing. A first moving iron core and a second moving iron core are movably disposed within the housing along its length. The first moving iron core has a through hole extending along the length of the housing. The second moving iron core is connected to an actuating shaft that moves synchronously with the first moving iron core and extends through the through hole to the outside of the first moving iron core and a first end plate. The housing contains a first coil assembly, a first stationary iron core, a second coil assembly, and a second stationary iron core. The first and second coil assemblies can be simultaneously energized to drive the first and second moving iron cores to move simultaneously. This invention fully realizes redundant design within a limited width space. The first and second moving iron cores can operate simultaneously or separately. When operating separately, safe redundancy is achieved; when operating simultaneously, a greater output force is provided, thus meeting the need for a greater tripping force.

This utility model discloses a furnace fume hood opening structure, including a fume hood body, a fume hood door, and an opening assembly. An opening is provided on one side of the fume hood body. Moving guide rails are provided at both the upper and lower ends of the opening side of the fume hood body. The fume hood door is located on the moving guide rails. The opening assembly is located beside the opening surface of the fume hood body and below the fume hood door. The opening assembly includes a reducer bracket, a reducer, a friction sprocket, and a chain. The reducer bracket is located at the lower end of the opening side of the fume hood body. The reducer is mounted on the reducer bracket. The friction sprocket is mounted on the reducer bracket and connected to the output end of the reducer. The chain is located between the fume hood door and the moving guide rail at the lower end of the opening side of the fume hood body, and its tail is connected to the friction sprocket. This furnace fume hood opening structure uses a chain instead of traditional steel wire rope, improving adaptability to harsh environments. Simultaneously, the design of the friction sprocket structure achieves redundant design for door opening limit, protecting the entire furnace fume hood from damage.

The invention relates to the technical field of water supply system control, in particular to a water constant-pressure water supply system for a semiconductor packaging process. In order to overcome the defects of an existing single-sensor constant-pressure water supply system, three pressure sensors are arranged on an external supply pipeline to obtain pressure data, an intermediate value is obtained through comparison to control the operation frequency of an external supply pump, external supply constant pressure is ensured, and sensor faults can be found in time. Meanwhile, water consumption, external supply frequency and electricity consumption information are integrated, the rotating speed of an external supply pump is predicted through a multiple linear regression model, and the rotating speed is stabilized in combination with a closed-loop PID controller. And according to electricity prices and water consumption conditions in different time periods, a linear weighting method is adopted, the frequency of the external supply pump is dynamically adjusted, and energy-saving optimization is achieved. The reliability, the stability and the energy-saving performance of the water supply system are effectively improved, and a more intelligent and efficient solution is provided for constant-pressure water supply control of water for the semiconductor packaging process.

The present invention discloses a network redundant communication system, in which each chip can be designed with domestically produced devices to achieve complete autonomy and control. When in multi-network card mode, each network can use the same IP address. When one of the networks fails, the other network can continue to undertake the communication task. When in PRP mode, it has an electrical port communication network and two optical port networks. The electrical port and the optical port are independent of each other and can be configured with IP separately. When the optical port sends information, if one of the optical ports fails, the other optical port can ensure that the data is not lost during the transmission process and continue to undertake the communication task. The free switching between the dual network card mode and the PRP mode can meet the use requirements of more complex and harsh environments. It can also realize network redundancy design for special industries.

The utility model provides a hydraulic control system, and relates to the technical field of hydraulic control. The system comprises a first control valve, a second control valve, a third control valve, a first hydraulic cylinder, a second hydraulic cylinder, a third hydraulic cylinder and a fourth hydraulic cylinder, and working cavities of the first hydraulic cylinder and the third hydraulic cylinder are communicated with a first oil port of the third control valve through the first control valve and corresponding pipelines. And working cavities of the second hydraulic cylinder and the fourth hydraulic cylinder are communicated with a first oil port of the third control valve through a second control valve and a corresponding pipeline. According to the utility model, the first hydraulic cylinder, the second hydraulic cylinder, the third hydraulic cylinder and the fourth hydraulic cylinder which are used for corresponding clamps to clamp or loosen the movable mold are controlled in groups, namely, the first hydraulic cylinder and the third hydraulic cylinder are controlled through the first control valve, and the second hydraulic cylinder and the fourth hydraulic cylinder are controlled through the second control valve; redundant design of the hydraulic cylinder is achieved, the risk of single-point failure is avoided, and the fault handling capacity of a hydraulic control system is improved.

The invention relates to a variable-frequency refrigerating system, air conditioning equipment and a control method. The variable-frequency refrigerating system comprises a cold supply tail end, a pipeline assembly, a plurality of variable-frequency refrigerating modules arranged in parallel and a plurality of variable-frequency water pumps arranged in parallel, and the variable-frequency refrigerating modules and the variable-frequency water pumps are connected with the cold supply tail end through the pipeline assembly; the frequency conversion refrigeration module comprises a compressor, a fan assembly and a heat exchanger assembly. The variable-frequency refrigeration module and the variable-frequency water pump of the variable-frequency refrigeration system can achieve variable-frequency control, the water pump and the refrigeration module can be matched in operation state under different working conditions, the operation range of the variable-frequency refrigeration system and the air conditioning equipment is expanded through the dual-variable-frequency design, and the system efficiency can be improved. Due to the fact that the variable-frequency refrigerating modules connected in parallel and the variable-frequency water pumps connected in parallel are arranged in the variable-frequency refrigerating system, redundant design of the refrigerating modules and the water pumps can be achieved, failure of the system due to damage of part of components is avoided, and the reliability and stability of the variable-frequency refrigerating system are improved.

The present invention discloses an elevator hand-pushing door outbound call control device, comprising an elevator mainboard, a leveling sensor, and a hand-pushing door electromagnet, an electromagnet control board, an outbound call control board and a magnetic switch arranged at each floor station of the elevator, wherein the leveling sensor is connected to the pin X60 of the elevator mainboard; the output pin Q1 of the electromagnet control board at each floor station is connected to the hand-pushing door electromagnet at the corresponding floor station; the input pin OP of the electromagnet control board at each floor station is connected to the output pin T2 of the outbound call control board at the corresponding floor station; the input pin I0 of the outbound call control board at each floor station is connected to the magnetic switch at the corresponding floor station; and the power supply pins of all the electromagnet control boards are respectively connected to the pin Y77 of the elevator mainboard. The elevator hand-pushing door outbound call control device of the present invention controls the hand-pushing door at each floor station through the elevator mainboard and the outbound call control board, and can simultaneously monitor the relative position and absolute position of the car, and has a simple circuit design, which is safer and more reliable.

The invention provides a grouping type liquid cooling module and a liquid cooling server, and relates to the technical field of server liquid cooling heat dissipation, the grouping type liquid cooling module is used for being installed in a server case, the grouping type liquid cooling module comprises at least two liquid cooling modules, and each liquid cooling module comprises a fixing plate; the at least two cold plate units are integrally arranged on the first plate surface of the fixed plate; the group of fasteners are used for penetrating through the fixed plate and the cold plate units on the fixed plate and are detachably connected with the server case; and the extraction structure is arranged on the second plate surface of the fixed plate and is used for independently putting the liquid cooling module into the server case or taking the liquid cooling module out of the server case. According to the grouped liquid cooling module, hardware redundancy design is realized, and the faulted liquid cooling module can be independently and quickly disassembled and maintained, so that the operation continuity and reliability of the liquid cooling server are improved, and the maintenance efficiency of the liquid cooling server is improved.

This invention discloses a multi-winding motor conductive ring structure, stator, and wind turbine generator. The motor conductive ring structure includes U, V, and W phase conductive ring groups. These three phase groups are arranged in rings from the outside inwards, with spacing between them, and are located on the same horizontal plane. Each phase group consists of 2N full-circle windings and 2N minor-arc windings. The virtual circle spacing formed by every two minor-arc windings is located between two full-circle windings. All conductive rings are located on a concentric circle, forming 4N sets of windings, evenly divided into two groups. Each group is individually connected to a corresponding converter. This invention divides multiple sets of windings into two equal parts. By combining full-circle windings and minor-arc windings, the winding current located within the two semicircles is introduced into the same converter, achieving redundancy design and uniform motor stress, avoiding vibration, noise, and other faults. It also reduces axial length and material usage, thereby reducing the unit's weight and manufacturing cost.

The application provides a light adjusting structure and a vehicle lamp, and relates to the technical field of vehicle lamp adjustment. The light adjusting structure is used for a vehicle lamp. The vehicle lamp comprises a lamp shell and an illumination module arranged in the lamp shell. The light adjusting structure comprises: at least one driving piece, which is used for being connected with the lamp shell; a light adjusting support, which is used for being fixedly connected with the illumination module, and comprises a fulcrum part and at least one rotating part arranged at intervals, and the fulcrum part is used for being connected with the lamp shell; and at least one adapter, each driving piece is connected with a rotating part through an adapter, and the driving piece is configured to drive the adapter to move in a first direction, so that the light adjusting support drives the illumination module to deflect by a preset axis. Therefore, the probability of interference or insufficient installation space of the driving piece can be reduced, and the reliability and stability of the light adjusting structure can be improved.