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A capacitive oil quantity measuring device

A measuring device, capacitive technology, applied in measuring devices, liquid level indicators for physical variable measurement, liquid/fluid solid measurement, etc., can solve problems such as low sensitivity, inaccurate measurement, and low measurement accuracy of sliding rheostats

Active Publication Date: 2020-07-07
FORYOU GENERAL ELECTRONICS
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This type of oil detection method has the following defects: a. The oil float is greatly affected by the fluctuation of the oil level, which causes the pointer of the oil gauge to fluctuate greatly back and forth, and the measurement is inaccurate; b. The measurement accuracy of the sliding rheostat is low and the sensitivity is not high. Therefore, the current There are technologies to be further improved

Method used

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  • A capacitive oil quantity measuring device
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Embodiment Construction

[0018] The implementation of the present invention will be described in detail below in conjunction with the accompanying drawings. The accompanying drawings are only for reference and description, and do not constitute a limitation to the protection scope of the present invention.

[0019] Such as figure 2 As shown, on the one hand, the present embodiment provides a capacitive oil quantity measuring device, including a capacitive piston structure composed of a cuboid insulating shell 1, a capacitor upper plate 2, a soft spring 3, and a capacitor lower plate 4, and connecting the capacitor. The capacitance measuring unit (not shown) of upper pole plate 2 and electric capacity lower pole plate 4, described soft spring 3 is symmetrically connected with the two sides parallel with automobile driving direction of described electric capacity upper pole plate 2, and described cuboid The two inner walls parallel to the running direction of the automobile of the insulating case 1 are...

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Abstract

The invention provides a capacitive oil mass measuring device. The capacitive oil mass measuring device comprises a capacitive piston structure composed of a cuboid insulating shell, a capacitive upper polar plate, soft springs and a capacitive lower polar plate, and a capacitive measuring unit connected with the capacitive upper polar plate and the capacitive lower polar plate. The two side faces, parallel to the vehicle driving direction, of the capacitive upper polar plate are connected with the soft springs. The two inner walls, parallel to the vehicle driving direction, of the cuboid insulating shell are provided with symmetric grooves for installation of the soft springs. The grooves and the soft springs are matched to enable the capacitive upper polar plate and the inner wall of the cuboid insulating shell to be vertically connected in a sliding mode, the capacitive upper polar plate serves as a floating piston of the capacitive piston structure, and the capacitive lower polar plate is symmetric with the capacitance upper polar plate and is attached to the bottom of an oil tank. The oil mass measuring precision is greatly improved, and the change condition of the oil mass is convenient to monitor in real time.

Description

technical field [0001] The invention relates to the technical field of automobile oil volume measurement, in particular to a capacitive oil volume measurement device. Background technique [0002] During the driving process of the car, the driver needs to judge the remaining fuel in the fuel tank of the car in order to better decide whether to refuel the car. figure 1 As shown, it includes a sliding rheostat, an oil gauge, and an oil float. The oil gauge is equivalent to an ammeter, and the fuel quantity information of the fuel tank is obtained from the scale pointed by the pointer of the fuel gauge. This type of oil detection method has the following defects: a. The oil float is greatly affected by the fluctuation of the oil level, which causes the oil gauge pointer to fluctuate greatly back and forth, and the measurement is inaccurate; b. The sliding rheostat has low measurement accuracy and low sensitivity. Therefore, the current There is technology to be further improve...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01F23/26
CPCG01F23/263
Inventor 谭安助龙吉文王庆应小刚
Owner FORYOU GENERAL ELECTRONICS
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