Multifunctional oil detection device and manufacturing method thereof
A detection device and multi-functional technology, which can be applied in the direction of material resistance, material capacitance, material magnetic variable, etc., can solve the problems of increasing the complexity of detection equipment and increasing equipment cost, etc.
Active Publication Date: 2019-06-14
DALIAN MARITIME UNIVERSITY
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Problems solved by technology
If you want to comprehensively detect metal particles, metal oxides, water droplets and air bubbles, you need to set up three detection devices: inductive, capacitive and resistive on the same device, which greatly increases the complexity of the detection equipment and improves the quality of the equipment. cost
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[0040] Such as figure 1As shown, the present invention provides a multifunctional oil detection device, including a sensing device, a detection function switching unit 9 and an excitation-detection unit 10; the sensing device is mainly composed of a conical flow channel inlet 1, a flow channel 2, a transmission The sensor unit 3, the base 6, the model material 5 and the flow channel outlet 4 are composed. The sensing device is fixed on the base 6 through the model material 5, one end of the flow channel 2 is provided with a tapered flow channel inlet 1, and the other end is provided with a flow channel outlet 4, and the flow channel 2 passes through the central hole of the sensing unit 3 vertically; the flow channel The diameter of 2 is 300-2000 microns; the detection function switching unit 9 can freely switch the three detection functions of inductance, resistance and capacitance according to the needs; when in use, the oil with particle pollutants enters from the inlet 1 of...
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Abstract
The invention provides a multifunctional oil detection device and a manufacturing method thereof. The device comprises a sensing device, a detection function switching unit and an excitation-detectionunit, wherein the sensing device mainly consists of a conical runner inlet, a runner, a sensing unit, a substrate, a model material and a runner outlet; the sensing device is fixed on the base through the model material; the conical runner inlet is formed in one end of the runner; the runner outlet is formed in the other end of the runner; the sensing unit mainly consists of a planar inductance coil and a ring-shaped silicon steel sheet; the planar inductance coil tightly fits the ring-shaped silicon steel sheet; the runner vertically passes through the center holes of the planar inductance coil and the ring-shaped silicon steel sheet; and the detection function switching unit is used for carrying out random switching among an inductance detection function, a resistance detection functionand a capacitance detection function according to requirements. Compared with detection devices capable of realizing the same detection effect, the detection device provided by the invention is capable of reducing the complexity and manufacturing cost of the device, providing a new method for the rapid oil detection of machinery equipment, and carrying out fault diagnosis on the machinery equipment.
Description
technical field [0001] The invention relates to the technical field of equipment oil system fault detection, in particular to a multifunctional oil detection device and a manufacturing method thereof. Background technique [0002] The failure of the hydraulic system is mainly caused by the pollution of the hydraulic oil. The pollutants in the hydraulic oil mainly come from the residual and generated pollutants in the hydraulic system and the pollutants intruded from the outside. The pollutants are mainly solid particles, water and air bubbles. The detection of pollutants in the oil can not only accurately evaluate the operating status of the hydraulic system, but also diagnose system failures based on the nature of the pollutants. The current inductive detection device can only detect metal particles in hydraulic oil, while the capacitive detection device can detect water droplets and air bubbles in hydraulic oil, and the resistive type can detect metal particles and metal o...
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IPC IPC(8): G01N27/74G01N27/82G01N27/24G01N27/06G01N27/20
Inventor 张洪朋史皓天顾长智马来好徐志伟
Owner DALIAN MARITIME UNIVERSITY