TH48834B - Motorized fluid pump control device - Google Patents

Abstract

DC60, a motorized fluid pump controller consisting of a brushless motor Function that drives the pump fluid which includes a variable speed trajectory, an actual velocity calculation path, a force-sensing path. And the trajectory determines the direction of rotation Speed control trajectory The cycle will give its output a modulation signal with a specified pulse width to control the speed. Motor cycle without carbon brush The actual speed calculation trajectory will control the calculation. The actual speed of the fluid pump is based on a modulation signal with a specified pulse width.The inlet pressure sensing path measures the pressure transmitted to the pump of the given trajectory fluid. Rotation direction determines the fluid pump rotation direction according to the actual rpm of the pump of Flow which is calculated by the actual velocity calculation method and according to the measured pressure transmitted By means of measuring the pressure transmitted A motorized fluid pump control device consisting of a brushless motor. Function that drives the pump fluid which includes a variable speed trajectory, an actual velocity calculation path, a force-sensing path. And the trajectory determines the direction of rotation Speed control trajectory The cycle will give its output a modulation signal with a specified pulse width to control the speed. Motor cycle without carbon brush The actual speed calculation trajectory will control the calculation. The actual speed of the fluid pump is based on a modulation signal with a specified pulse width.The inlet pressure sensing path measures the pressure transmitted to the pump of the given trajectory fluid. Rotation direction determines the fluid pump rotation direction according to the actual rpm of the pump of Flow which is calculated by the actual velocity calculation method and according to the measured pressure transmitted By means of measuring the pressure transmitted

Claims (6)

1.Motorized fluid pump control device Where there is a motor that does not use a charcoal converter For driving a fluid pump where the control device consists of Variable speed trajectory that outputs a modulated signal with a specified pulse width to control the non-brushed motor speed; Trajectory calculates the actual speed For calculating the actual rotational speed of the pump of Flows according to a modulation signal with a specified pulse width; Pressure transducer method for measuring the pressure transmitted to the fluid pump; The direction of rotation is used to determine the direction of rotation of the fluid pump according to the speed. The fluid pump's actual cycle, which is calculated by the actual velocity calculation trajectory, is based on Inlet pressure, which is measured by the transmitted pressure sensing path 2. Control equipment as stated in Claim 1 which consists of: The trajectory calculates the relative speed. Do a page to calculate the relative speed according to the voltage Sent to the measurements by means of a pressure sensing trajectory transmitted to which The direction of rotation is used to compare the relative speed which is calculated. By the way, the rpm is calculated relative to the actual rpm of the fluid pump, which is calculated. By way of calculating the actual speed; And the direction of rotation determines whether the fluid pump is counter-rotating or not. The actual rpm of the fluid pump is faster than that of the comparable speed. 3. The control device, as stated in claim 2, where the relative speed trajectory calculates the normal rotational speed which corresponds to the delivered pressure Entered by using the schematic as predetermined as a pointer to show the relationship between the incoming pressure and Normal speed While there is normal rotation at which the fluid pump rotates normally; The trajectory calculates the relative speed that calculates the relative speed and assigns it a value that Will be the rated speed that is greater than the normal rpm calculated using the specified schematic diagram. 4. Control equipment as set out in Clause 1 to Clause 3 of Clause 3 where The fluid pump will stop working and will restart at a later time. When the path defines direction Rotation determines that the fluid pump rotates in reverse. 5. Controlled devices as described in Clause 4, which include: The malfunction path used to determine the malfunction of the fluid pump. When the fluid pump stops working and then starts over, a subsequent number of times equal or greater than the specified number of times 6.A control device specified in clauses 1 to clause 5, where the fluid pump is the fuel delivery pump for the internal combustion engine.