9results about How to "Reduce startup frequency" patented technology

The application discloses an electric vehicle charging protection device, which comprises a main body, a shielding part and a movable part, wherein the shielding part and the movable part are fixed on the main body; a controller, a button and a connecting port are arranged on the main body, the controller is connected with an external power supply and an electric device through the connecting port; a sleeve is arranged at the lower end of the shielding part, a connecting rod is arranged at the upper end of the main body, the shielding part is inserted into the sleeve through the connecting rod and is fixed at the upper end of the main body, so as to cover the button and the connecting port; the movable part comprises a support, a rotating block and a motor, the motor is fixed in the shielding part through the support, one end of the rotating block is connected with a driving end of the motor, the motor drives the rotating block to rotate and generates centrifugal force; the button and the motor are electrically connected with the controller. Through the arrangement of the shielding part and the movable part, the movable part drives the shielding part to move, the rotating block rotates and generates centrifugal force to make the accumulated snow above the shielding part fall off, the situation that the shielding part is deformed due to too much accumulated snow is avoided, and the safety and stability of the electric vehicle charging protection device are improved.

The invention relates to a cap sorting detection device and a cap screwing machine, and relates to the technical field of detection, the cap sorting detection device comprises a cap sorting barrel, a cap sorting disc and a detection structure, the cap sorting barrel is obliquely arranged, and a discharge port is formed in the cap sorting barrel; the cap sorting disc is rotationally connected into the cap sorting barrel, a plurality of limiting grooves are formed in the top surface of the cap sorting disc, and the multiple limiting grooves are arranged around the cap sorting disc by a circle; a detection structure is arranged in each limiting groove, each detection structure comprises a pressure detector and an air injection part, the pressure detectors are located in the centers of the limiting grooves, the pressure detectors are connected with the air injection parts, and when the pressure detectors detect pressure, the air injection parts are controlled to spray air flow to eject the bottle caps out of the limiting grooves. The situation that the bottle cap is still ejected out of the limiting groove when the bottle cap is in the correct direction can be reduced.

The application discloses a kind of access control methods based on artificial intelligence, belong to intelligent access control technical field, this control method can improve the efficiency of vehicle leaving parking lot on one hand, on the other hand can also reduce the starting frequency of access motor, improve the effective service life of barrier pole motor;In addition, by reasonably arranging the rotating speed and rotating timing of access barrier pole motor, while avoiding causing damage to the car behind, the car behind is obviously effective prompt and interception;The application can recommend the outlet of vehicle according to the vehicle distribution of each outlet of parking lot, reasonably distribute when there is vehicle ready to leave, so as to make the best use of the outlet resources of parking lot, make the vehicle moving in parking lot as reasonably as possible, avoid the situation that local area is congested while local area space is very sufficient, improve the fluency of vehicle movement in parking lot.

This application relates to the field of cable protection pipe technology, and in particular to a low-temperature impact-resistant CPVC cable protection pipe, which includes a protection pipe body, an insulation layer, and a circulation mechanism. An impact-resistant mechanism is fixedly connected to the inner side of the protection pipe body. A cable body is inserted through the insulation pipe body inside the impact-resistant mechanism. A heat exchange mechanism is fixedly connected to the outer surface of the insulation pipe body. The circulation mechanism is located at the top of the protection pipe. This technical solution, through its heat exchange, circulation, impact resistance, and heat recovery structure, combined with a composite insulation layer and a suitable heat exchange medium, efficiently absorbs solar energy and recovers waste heat from the cable, continuously insulating the protection pipe body day and night, resisting external impacts, preventing low-temperature embrittlement and cable overheating, adapting to different low-temperature environments, reducing heat loss and energy consumption, and solving the problems of existing CPVC cable protection pipes such as poor resistance to low temperatures, weak impact resistance, and limited adaptability.

The invention discloses a gypsum board production line steam pressure reduction device which is provided with a steam conveying pipeline, a coarse adjustment pressure reduction assembly, a fine adjustment pressure reduction assembly, a pressure monitoring assembly and a control module, and the coarse adjustment pressure reduction assembly, the fine adjustment pressure reduction assembly and the pressure monitoring assembly are all in communication connection with the control module. The steam conveying pipeline is used for conveying high-pressure steam, and the coarse adjustment pressure reduction assembly and the fine adjustment pressure reduction assembly are arranged in the conveying direction of the high-pressure steam in the steam conveying pipeline. According to the invention, the coarse adjustment pressure reduction assembly and the fine adjustment pressure reduction assembly are arranged on the steam conveying pipeline, and the coarse adjustment pressure reduction assembly or the fine adjustment pressure reduction assembly is selectively started to adjust the steam pressure according to the fluctuation generated by the high-pressure steam pressure at the steam inlet end of the steam conveying pipeline; therefore, the stability of the steam pressure at the steam outlet end of the tidy conveying pipeline is kept, the starting frequency of each pressure reduction assembly is reduced, and the stability of the output steam pressure is controlled more accurately.

Provided is a catenary maintenance vehicle train, wherein a lifting work platform is provided on the top of tractor I, tractor II and multiple work vehicles or the top of multiple work vehicles, and each lifting work platform is connected to each other after being raised to form a through work platform, and the through work platform is provided with an auxiliary work platform with a self-propelled function, and the multiple work vehicles are provided with an emergency operation cabinet for controlling the through work platform in the room, and tractor I, tractor II and multiple work vehicles are heat-insulating and noise-reducing structures. The present invention improves the heat preservation, heat insulation and noise reduction performance of the vehicle body, is suitable for meeting the needs of catenary maintenance operations in high-cold and high-temperature environments, and greatly improves the living conditions of employees. The through work platform is equipped with an auxiliary work platform with a self-propelled function, achieving a maximum operating height of ≥6600mm, meeting the maintenance and repair of the catenary load-bearing cables, saving manpower and material resources, and greatly improving the efficiency of the catenary maintenance operation.

The application discloses a virtual node state monitor deployment method and device, a storage medium and equipment. The method comprises the following steps: providing a Kubernetes cluster, wherein the cluster comprises at least one subnet; deploying at least three replicas of a container group comprising a virtual node state monitor in each subnet; wherein at least one service container group is deployed in at least one subnet; the at least one service container group is monitored by at least one virtual node state monitor in the at least one subnet; and a headless service is used to expose the service container group in the at least one virtual node state monitor. The application can reduce the starting frequency of the second container group eviction strategy in Kubernetes, reduce the probability of eviction failure, and further reduce the reconstruction probability of the service container group in the virtual node state monitor by setting a deployment mode, thereby providing reliability guarantee for scheduling the service container group in the virtual node state monitor.

The utility model provides a heating and heat preservation device for producing a concrete water reducing agent, which comprises a heat storage type water reducing agent production tank structure and is characterized in that an annular protective cover is fixedly connected onto the heat storage type water reducing agent production tank structure; a first thermal insulation layer is wound on the outer wall of the heat storage type water reducing agent production tank structure and is positioned in the annular protective cover; an electromagnetic heating coil is wound on the outer wall of the first heat preservation layer, and a second heat preservation layer is wound on the outer side of the electromagnetic heating coil. The electromagnetic heating coil is mainly used for heating, compared with other heating modes, the electromagnetic heating mode can save 40%-50% of electric energy, meanwhile, the heat storage layer is arranged on the water reducing agent production tank, and the problem that heat of the water reducing agent production tank is rapidly dissipated can be effectively solved through the heat storage layer. Therefore, the starting frequency of the electromagnetic heating coil can be effectively reduced, the energy-saving heating and heat preservation effects are achieved, and the problem of high power consumption of the device can be effectively avoided.

The invention provides an electromagnetic power generation and friction nanometer power generation composite wave energy conversion device, and relates to the field of wave energy utilization, the electromagnetic power generation and friction nanometer power generation composite wave energy conversion device comprises an integrated power generation unit, the integrated power generation unit is formed by combining a plurality of power generation units, and each power generation unit comprises a square shell, a friction nanometer power generation part and an electromagnetic power generation part; the metal electrode clings to the inner wall of the square shell; a magnet rotor is arranged in the square shell, and the magnet rotor and a copper electrode in the square shell form a friction nanometer power generation part; a plurality of layers of coils are wound on the outer wall of the square shell, and the magnet rotor and the coils form an electromagnetic power generation part. Wave energy is collected through friction nanometer power generation and electromagnetic power generation, the two power generation modes are matched with each other, the available wave range can be effectively expanded, the conversion efficiency can be improved, the starting condition can be reduced, and therefore the device adapts to actual sea conditions with high randomness and time-varying characteristics.