A method for automatic adjustment of fan speed
An automatic adjustment and fan speed technology, applied in the direction of machines/engines, mechanical equipment, vibration testing, etc., can solve the problems that the fan control cannot be adjusted independently, and the impact of the power grid cannot be reduced, so as to improve energy utilization and avoid The impact of mains voltage and the effect of reducing operating noise
Active Publication Date: 2022-02-18
湖南盈晟电子科技有限公司
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Problems solved by technology
[0003] The fan control method of the electric vibrating table on the market is directly connected to the mains through the contactor. This kind of fan control can not adjust the speed independently, nor can it reduce the operating noise and the impact of the switch on the power grid.
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[0023] In order to make the objects, technical solutions and advantages of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are intended to explain the present invention and is not intended to limit the invention.
[0024] Bench for electrical vibration generating heat mainly from two aspects: the exciting coil and the moving coil.
[0025] Refer to the attachment figure 1 This embodiment of a method for automatically adjusting the fan speed, comprising the steps of:
[0026] Step 1, to obtain calorific vibration table: obtaining a field coil voltage V1, the exciting coil resistor R1, a dynamic moving coil current I1 and resistor R2 according to the type of experiment and the experiments conducted pre magnitude; obtained by the field coil exciting coil calorific power formula Q1, dynamic power formula obtained by dynamic heat...
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A method for automatically adjusting the speed of a fan, including obtaining the heat generated by the vibrating table, and sending the heat that the vibrating table needs to conduct to the fan control module; obtaining the volume of the gas taken away by the fan: if the temperature of the vibrating table remains unchanged, the heat generated by the vibrating table is the fan. Heat dissipation, the fan control module calculates the volume of gas taken away by the fan according to the heat dissipation of the fan, the ambient temperature value and the temperature value of the fan outlet; fan speed adjustment: the fan control module calculates the wind speed of the fan based on the volume of the gas taken away by the fan, and then Adjust the speed of the fan according to the wind speed of the fan; adjust the speed in real time: collect the excitation coil voltage, excitation coil resistance, moving coil current and moving coil resistance in real time, then calculate the wind speed of the fan, and then adjust the speed of the fan in real time according to the wind speed of the fan . Compared with the prior art, the invention can adjust the speed of the fan in real time during the working process of the vibrating table, and the power of the fan is proportional to the cube of the speed of the fan, so the energy utilization rate can be greatly improved.
Description
Technical field [0001] The present invention relates to an electrical vibration table control technology, particularly to a method for automatically adjusting the fan speed. Background technique [0002] The state promotes energy conservation, digitalization and intelligent direction of development, the domestic environment test equipment currently used in electrical vibration table or the last century technology, all aspects of development have been difficult to keep pace with the times, higher performance, higher the development of smart and high power density is imperative. [0003] Now electrically controlled vibration turbines on the market are directly connected to the mains through the contactor control, which controls the fan speed can not be independent, operating noise can not be reduced and the impact on power switch. [0004] Therefore, it is necessary to provide a new method for automatically adjusting the fan speed to solve the above technical problem. Inventive co...
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IPC IPC(8): F04D27/00F04D29/66G01M7/02
CPCF04D27/004F04D27/001F04D29/661G01M7/022
Inventor 屈涛潘皓贾辉王星吴光远
Owner 湖南盈晟电子科技有限公司