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oil pressure sensor in cars
In the automobile oil system, there will be an oil pressure sensor. Many car owners can't find the oil pressure sensor on the car. Where is the oil pressure sensor? In fact, the automobile oil pressure sensor is very easy to find. It is basically next to the oil filter, which is the middle of the right side of the engine. You can see the plug or socket, which is the oil pressure sensor. Or the owner can find a sign and go down the sign pipe to find the oil pressure sensor. This sign is the sign of the oil lamp on the instrument panel. The oil pressure sensor can be found by finding the sign of the oil lamp on the engine.
Generally, ordinary vehicles only have one oil pressure sensor, but some special vehicles, basically have two pressure sensors. One is beside the oil filter and the other is above the cylinder head. The oil pressure sensor can accurately monitor the oil content of the car. When the oil content of the car is insufficient, the oil pressure sensor will transmit the signal of insufficient oil content to the ecu system. The ecu system will automatically decode the signal, and then the light of the ecu system will light up, finally to remind the owner of the oil shortage.
Working reliability: The process of oil pressure detection needs to be carried out during the operation of the engine. The temperature of the working conditions changes significantly. At the same time, the road conditions will also affect the detection during the driving process of the vehicle. The engine bears a huge heat load, impact, vibration, etc., so the working condition of the sensor is also negatively affected by the harsh environment such as high temperature, humidity, impact, vibration, corrosion, oil pollution, etc. Therefore, reliability is the first consideration of product design. Reliability design and product reliability analysis run through the whole development process. When the reliability is satisfied, the most important thing is the selection and combination of product components. The space left by the engine for the sensor is very limited, so the sensor should try to use patch type components. For example, the working temperature of the common electrolytic capacitor is between - 20 ℃ and 70 ℃, so the long-term high temperature will worsen its quality and reduce its reliability, so the use of high temperature capacitor is an important reliability assurance measure.
Economic guarantee: Economy is an important condition that restricts the promotion and use of products. Although the technology and application effect of the electronic oil pressure sensor of some manufacturers have reached a high level, the price factor has affected its promotion speed. Therefore, the development of economical and reliable products has become the key of sensors.
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