5results about How to "Fine adjustment range" patented technology

The utility model discloses an electromagnetic damping vibration isolation device belongs to vibration control technical field. The utility model solves the technical problem of the magnetic field intensity fixed of electromagnetic damping vibration isolation device and coil heating easily leads to performance attenuation. The utility model discloses an electromagnetic damping vibration isolation device, including coil subassembly and conductor block. Coil subassembly includes coil and coil clamp. Coil clamp is held in the outer periphery of coil. Coil clamp includes clamp body and water cooling pipeline. The heat dissipation block is equipped on the clamp body, and the heat dissipation block extends along the radial direction of coil, and multiple heat dissipation blocks are evenly arranged around coil. The water cooling pipeline is surrounded in the clamp body. The conductor block is located between at least two groups of coil subassembly, and the magnetic pole of every two groups of coil subassembly is opposite, thereby making the conductor block can be subjected to electromagnetic damping force when producing vibration. The utility model discloses a vibration isolation device can cover the vibration control demand of multiple frequency bands, avoids coil overheat aging, improves the life of vibration isolation device.

The invention discloses an energy-saving external heating tube, and relates to the technical field of heating tubes. The device comprises a bottom shell, one side of the top of the bottom shell is fixedly connected with an adjusting mechanism, and the top of the bottom shell is provided with a heating pipe body. Through threaded fit of the screw and the positioning column and combination of elastic buffering of the first spring, accurate fine adjustment of the height of the heating tube body is achieved, the displacement sensor can accurately monitor the height change of the heating tube body in real time, data are fed back to the controller with extremely high sensitivity, and the temperature sensor in the temperature control equipment is matched, so that the temperature control efficiency is improved. The temperature sensor and the displacement sensor work cooperatively to construct a dual monitoring system, and when the distance between the heating tube and a human body or a heated object changes, the controller can judge the distance change condition more quickly and accurately based on displacement data of the displacement sensor and a temperature signal of the temperature sensor. And the variable-frequency power supply regulator is further controlled to adjust the input power in a finer adjustment amplitude.

The application discloses a kind of methods for evaluating the water quality of pipe network in the water supply area of water supply plant, comprising determining water quality turbidity and bacterial count in monitoring period after water source switching, treatment process or treatment parameter adjustment of water supply plant;Inquire turbidity and bacterial count in monitoring control period before water source switching, treatment process or treatment parameter adjustment;Then calculate the average value of turbidity and bacterial count in monitoring period and control period, calculate turbidity-bacterial colony weighted value;Then according to formula, the water quality score in monitoring period and monitoring control period is determined respectively;Finally, according to the difference between the water quality score of monitoring period and monitoring control period, as the judgment basis for the effect of water plant process parameter adjustment, process improvement, water source switching, provide accurate basis for water plant process parameter optimization, fine management, process improvement status, etc., achieve the goal of water plant process management with pipe network water quality as target.

The application relates to the technical field of heat dissipation devices, in particular to an integrated asymmetric radiation envelope structure heat dissipation system for a computing power computer room, which comprises a heat dissipation module, a running module, a heat import optimization module, an image sensing module, a data acquisition module, a data processing module, a data analysis module and an execution module. The system preprocesses the running data of the received heat dissipation module, judges the heat dissipation efficiency of the system through the effective net radiation heat dissipation power density and a preset threshold value, adjusts the average mirror reflectivity of the photon mirror based on the judgment result, and further determines the standard effective net radiation heat dissipation power density according to the adjustment result. The application realizes the unified processing and analysis performance optimization of the heat dissipation system, effectively reduces the effective net radiation heat dissipation power density of the envelope structure heat dissipation system of the application, and improves the resource utilization rate.

This utility model relates to the field of metering-driven pump technology, and discloses a magnetically driven pump with precise metering function. It includes a housing, a motor fixedly connected to the inner wall of the housing, a frequency converter fixedly connected to the left side of the outer wall of the motor, a housing fixedly connected to the output end of the motor, a bracket fixedly connected to the inner wall of the housing, an internal gear ring formed on the inner wall of the bracket, an input shaft rotatably connected to the left side of the outer wall of the bracket, a sun gear fixedly connected to the right side of the input shaft, planetary gears meshing with the outer wall of the sun gear, and a connecting column fixedly connected to the center of the outer wall of the planetary gears. In this utility model, the rotation of the motor drives the sun gear to rotate, which in turn drives the planetary gears to rotate on the internal gear ring, improving the linearity of the rotational speed, reducing metering errors, refining the flow rate adjustment range, adapting to small flow rate adjustment needs, improving torque stability, increasing adjustment efficiency, and expanding the scope of application.