Water level detecting device and method

A technology of water level detection and water depth, applied in the direction of the liquid level indicator for physical variable measurement, etc., can solve the problems of car engine water ingress, anchorage, detection, etc., to achieve the effect of accurately detecting the water depth and avoiding vehicle failures

Inactive Publication Date: 2015-05-06
KOSTAL SHANGHAI MANAGEMENT +1
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Problems solved by technology

[0003] When a car driver encounters a water-logged road, he usually drives at a low speed on the water-logged road based on experience. However, when the water depth exceeds a certain level, the vehicle cannot detect the water depth when wading, which may cause the car engine to enter water. Even the whole vehicle is flooded, causing the vehicle to stall and break down

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  • Water level detecting device and method
  • Water level detecting device and method

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Embodiment Construction

[0038] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0039] The invention provides a water level detection device installed on the front of the car, such as figure 1 As shown, it is a specific embodiment of the water level detection device of the present invention, and the device includes:

[0040] The first electrode 101, the second electrode 102, the analog-to-digital converter 103 and the first water depth calculation module 104;

[0041] The first electrode 101 and the second electrode 102 form a parallel p...

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Abstract

The invention discloses a water level detecting device and method. The water level detecting device is arranged at an automobile head, two electrodes form a parallel plate capacitor, the capacitance value between the parallel plate capacitors is in linear change along with different water levels between the capacitors, the capacitance when the gap between the parallel plate capacitors is fully filled with water, the capacitance when the gap between the parallel plate capacitors is filled with no water and the maximum water depth are known, the water depth between the parallel plate capacitors is calculated according to the measured capacitance values of the parallel plate capacitors, the known capacitance, the greatest water depth and the preset relationship, the water depth of accumulated water can be precisely detected when an automobile is in wading running, and the automobile fault is avoided.

Description

technical field [0001] The invention relates to the field of water level sensing, in particular to a water level detection device and method. Background technique [0002] The occurrence of heavy rain will cause water accumulation or flooding on a large area of ​​the road surface, and the situation of vehicles wading through water often occurs. [0003] When a car driver encounters a water-logged road, he usually drives at a low speed on the water-logged road based on experience. However, when the water depth exceeds a certain level, the water depth cannot be detected when the vehicle is wading, which may cause the car engine to enter water. Even the whole vehicle was flooded, causing the vehicle to stall and break down. Contents of the invention [0004] In view of this, the main purpose of the present invention is to provide a water level detection device and method, which can accurately detect the water depth when the vehicle is wading. [0005] In order to achieve th...

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Application Information

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IPC IPC(8): G01F23/26
Inventor 唐先红李鹃石林荣
Owner KOSTAL SHANGHAI MANAGEMENT
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