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Endurance test system for automobile start motors

A technology of automobile starting and testing system, which is applied in the direction of motor generator testing, etc., which can solve problems such as inaccurate feedback, recording of working current of unstarted motor, and difficulty in analyzing the cause of engine starting failure

Active Publication Date: 2015-07-22
CHONGQING CHANGAN AUTOMOBILE CO LTD
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Problems solved by technology

[0002] The Chinese patent document with the application number 200910191006 discloses a control device for the durability test of an automobile starter motor. The feedback signal Return of the test bench is connected to the generator output point L of the automobile generator. During the test, the engine speed, battery voltage, and starter motor operating current are recorded, so it is difficult to analyze the cause of engine starting failure

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  • Endurance test system for automobile start motors
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Embodiment Construction

[0011] The present invention will be further described below in conjunction with the accompanying drawings.

[0012] see figure 1 , the system is mainly composed of a computer, a single-chip microcomputer control module, a successful start counter, a failed start counter, and a current sensor. The computer communicates with the single-chip microcomputer control module through RS232, and the computer stores the engine starting success and failure, battery voltage, starter motor operating current, and data receiving time sent by the single-chip microcomputer control module into the database for counting the number of successful and failed starts. And analyze the cause of startup failure. The starting success and failure counters are respectively controlled by two output ports of the single-chip microcomputer control module. The positive and negative poles of the car battery are connected to the power supply terminal of the single-chip control module to supply power to the sing...

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Abstract

The invention provides an endurance test system for automobile start motors. The endurance test system for automobile start motors mainly comprises a computer, a single-chip microcomputer control module, a current sensor and an electronic counter. The system acquires data such as battery voltage, engine start success and failure states, start motor working current and engine speed during test via the computer through an RS232 communication cable and stores the data and time (accurate to second) into a database so as to make statistics on success and failure times of tests and analysis on causes of engine start failure. By the test system, endurance quality of the automobile start motors can be tested accurately, and meanwhile the causes of start failure can be analyzed; besides, the test system is simple in structure, easy to operate and applicable to automobiles with engine electronic control units accessed to the CAN (controller area network).

Description

technical field [0001] The invention belongs to the technical field of automobile detection, and in particular relates to a durability test system for an automobile starter motor. Background technique [0002] The Chinese patent document with the application number 200910191006 discloses a control device for the durability test of the automobile starter motor. During the test, the engine speed, battery voltage, and starter motor operating current are recorded, so it is difficult to analyze the cause of engine starting failure. Contents of the invention [0003] In order to overcome the above-mentioned problems existing in the current test method, the present invention provides an improved durability test system for automobile starter motors. [0004] The invention is mainly composed of a computer, a single-chip microcomputer control module, a current sensor and an electronic counter. [0005] Communication between the computer and the single-chip microcomputer control m...

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Application Information

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IPC IPC(8): G01R31/34
Inventor 吴光勋汪向阳谭海徐广存肖佳斌刘国奇
Owner CHONGQING CHANGAN AUTOMOBILE CO LTD
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