Endurance test bed for testing engine oil pressure sensors
A technology of durability test and oil pressure, applied in the direction of measuring fluid pressure, instruments, measuring devices, etc., can solve the problems of inaccurate simulation test results of oil pressure sensors, inability to simulate the working conditions of automobiles, affecting product accuracy and qualification rate, etc. , to achieve the effect of ensuring quality, low manufacturing cost and improving accuracy
Inactive Publication Date: 2013-11-13
芜湖东方汽车仪表有限公司
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Problems solved by technology
Since the oil of the automobile oil tank will have a certain temperature during the working process, and the existing test only adopts pneumatic oscillation without using a constant temperature heating device, it cannot truly simulate the actual working conditions of the automobile, so for the simulation of the oil pressure sensor The test results will be inaccurate, affecting the accuracy and pass rate of the product
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[0013] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific illustrations.
[0014] Such as figure 1 and figure 2 As shown, a durability test bench for testing the oil pressure sensor includes a base 1, a storage box 3 is installed on the top of the base 1, and an air control box 2 is installed in the middle of the bottom of the base 1; the storage box The rear side of 3 is equipped with a rear side plate 10, and its upper end is connected with an upper cover plate 9, its left side is equipped with a heating box 5, and its right side is connected with the air control box 2 through a conduit 16, and the inside of the storage box 3 according to The organic oil layer 8, the piston plate 7 and the water layer 4 are placed in order from top to bottom; the left side of the rear side plate 10 is provided with a temperature di...
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The invention provides an endurance test bed for testing engine oil pressure sensors. The endurance test bed comprises a base, wherein a storage box is installed above the base, and an air control box is installed in the middle under the base; a rear side plate is installed on the rear side of the storage box, the upper end of the storage box is connected with an upper cover plate, a heating box is installed on the left side of the storage box, the right side of the storage box is connected with the air control box through a duct, and an engine oil layer, a piston plate and a water layer are sequentially arranged inside the storage box from top to bottom; a temperature displayer is arranged on the left side of the rear side plate, and an electric control box is installed at the back of the right side of the rear side plate; a dial is arranged at the upper end of the temperature displayer, and a temperature control knob is arranged in the middle of the temperature displayer; the right side of the electric control box is connected with two alligator clips correspondingly through leads; the right side of the heating box is connected with a heating rod; the heating rod is located inside the water layer. The endurance test bed has the advantages of being simple to operate, low in manufacturing cost and the like, has a function of simulation of true situations inside oil tanks of cars and can be used for improving the accuracy of detection of the engine oil pressure sensors and guaranteeing the product quality.
Description
technical field [0001] The invention relates to the technical field of vehicle sensor testing, in particular to an endurance test bench for testing engine oil pressure sensors. Background technique [0002] With the development of science and technology and the improvement of living standards, cars have gradually become popular in people's lives. Existing automobiles use oil pressure sensors, which are micro-electromechanical systems integrating micro-sensors, actuators, signal processing, control circuits, interface circuits, communications, and power supplies, to replace traditional mechanical pressure sensors and solve the problem of traditional mechanical pressure sensors. The sensor has problems such as large volume, high cost and poor sensitivity, which has realized the transformation of miniaturization and high performance of automobile oil pressure sensor. [0003] After the processing of the oil pressure sensor is completed, the oil pressure sensor needs to be test...
Claims
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Inventor 李激
Owner 芜湖东方汽车仪表有限公司