Online detecting system for electric fuel pump
An electric fuel pump and detection system technology, applied in the field of detection systems, can solve the problems of rare gasoline engine electric fuel pump automatic detection systems, scattered inspection equipment, complicated process, etc., and achieve the effects of friendly software interface, high testing efficiency and convenient operation
Inactive Publication Date: 2013-10-30
石馀
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Problems solved by technology
At present, the fuel pump detection systems at home and abroad are basically aimed at diesel fuel injection pumps, and automatic detection systems for gasoline electric fuel pumps are relatively rare.
The sub-item inspection system is mainly used in the factory inspection of electric fuel pumps to test its tightness, working flow, working current, working voltage, stability and power of fuel delivery, etc., and manual reading is the main method; the inspection equipment is scattered and the process is complicated , low precision
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[0010] As shown in the figure, the present invention includes a single-chip microcomputer circuit, a conditioning circuit, and a driving circuit. The single-chip microcomputer circuit is connected to the conditioning circuit and the driving circuit respectively. The conditioning circuit is connected to a pressure sensor, a flow sensor, a voltage sensor, and a current transformer. Electric fuel pump and solenoid valve are connected.
[0011] The output signal of the sensor needs to be processed by the conditioning circuit before it can be input to the single-chip microcomputer for processing. At the same time, in order to ensure that the actuator completes the corresponding adjustment action according to the output command of the single-chip microcomputer control system, the output signal of the single-chip microcomputer control system needs to be amplified to meet The power required to drive the actuator
[0012] The single-chip microcomputer circuit is also connected with the...
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The invention belongs to the technical field of detecting systems and particularly relates to an online detecting system for an electric fuel pump. The online detecting system comprises a single-chip microcomputer circuit, a conditioning circuit and a drive circuit and is structurally characterized in that the single-chip microcomputer circuit is respectively connected with the conditioning circuit and the drive circuit, the conditioning circuit is respectively connected with a pressure sensor, a flow sensor, a voltage sensor and a current transformer, and the drive circuit is respectively connected with the electric fuel pump and an electromagnetic valve. The online detecting system for the electric fuel pump is high in accuracy of location information and good in universality.
Description
technical field [0001] The invention belongs to the technical field of detection systems, and in particular relates to an online detection system for an electric fuel pump. Background technique [0002] The electric fuel pump continuously pumps out the fuel in the fuel tank, and supplies the fuel injection system with a certain pressure to ensure the normal, continuous and reliable operation of the engine. At present, the fuel pump detection systems at home and abroad are basically aimed at diesel fuel injection pumps, and automatic detection systems for gasoline electric fuel pumps are relatively rare. The sub-item inspection system is mainly used in the factory inspection of electric fuel pumps to test its tightness, working flow, working current, working voltage, stability and power of fuel delivery, etc., and manual reading is the main method; the inspection equipment is scattered and the process is complicated , low precision. Contents of the invention [0003] The ...
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IPC IPC(8): F04B51/00
Inventor 石馀王文洁
Owner 石馀