A Durability Test System for Automobile Starter Motor
A technology for car starting and testing system, applied in the direction of motor generator testing, etc., can solve problems such as failure to analyze the cause of engine starting failure, inaccurate feedback, and recording of the working current of the motor that is not started.
Active Publication Date: 2017-07-25
CHONGQING CHANGAN AUTOMOBILE CO LTD
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[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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[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 success and failure of engine starting, 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 microcomputer control module to supply ...
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The invention proposes a durability test system for an automobile starter motor, which is mainly composed of a computer, a single-chip microcomputer control module, a current sensor and an electronic counter. The system uses the computer to obtain data such as battery voltage, engine starting success and failure status, starter motor operating current, engine speed and other data during the test through the RS232 communication line, and stores the data and time (accurate to seconds) in the database, so that the test Count the number of successes and failures and analyze the cause of engine startup failure. Using this test system can accurately test the durability of the starter motor of the car, and at the same time analyze the cause of the start failure. It has a simple structure and is easy to operate. It is suitable for cars with an engine electronic control unit connected to the CAN 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 mo...
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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