Weight detection mechanism, safety seat and weight detection method

A weight detection and safety seat technology, applied in child seats, vehicle seats, weighing, etc., can solve the problem of high cost and achieve the effect of low cost and simple structure

Pending Publication Date: 2022-04-19
NINGBO BABY FIRST BABY PROD CO LTD
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Problems solved by technology

However, the existing weight detection method is to use multiple strain gauges to measure the weight together, and the cost is relatively high.

Method used

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  • Weight detection mechanism, safety seat and weight detection method
  • Weight detection mechanism, safety seat and weight detection method
  • Weight detection mechanism, safety seat and weight detection method

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no. 2 example

[0055] The second embodiment of the present invention provides a weight detection method, the weight detection method is applied to the above-mentioned weight detection mechanism 10, its basic principle and technical effect are the same as the above-mentioned embodiment, for the sake of brief description, this embodiment part does not mention For the relevant parts, reference may be made to the corresponding contents in the above-mentioned embodiments.

[0056] The weighing method includes:

[0057] The pressure F when the support part 13 is pressed against the elastic pressing piece 12 is detected by the following formula:

[0058]

[0059] Wherein, l represents the length value of elastic pressing sheet 12, w c represents the central deflection of the elastic pressing piece 12, and EI represents the bending stiffness of the elastic pressing piece 12.

[0060] read on figure 2 According to the transformation mathematical model of the relevant mechanism of the elastic p...

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Abstract

The invention discloses a weight detection mechanism, a safety seat and a weight detection method, and relates to the technical field of seat weight detection. The weight detection mechanism comprises a detection main body, an elastic pressing sheet, a supporting part and a detection sensor. A detection groove is formed in the detection main body, and the elastic pressing sheet is arched and is arranged in the detection groove. The supporting part is used for bearing a child, is slidably connected to the detection groove, and can be pressed into the detection groove when being pressed by an external force so as to press the elastic pressing sheet. The detection sensor is arranged in the detection groove, corresponds to the elastic pressing piece and can detect the deformation quantity of the elastic pressing piece when the supporting part presses the elastic pressing piece so as to output a weight signal. The weight detection method is applied to the weight detection mechanism, and the weight detection mechanism can be applied to the safety seat and has the advantages of being simple in structure and low in cost.

Description

technical field [0001] The invention relates to the technical field of seat weight detection, in particular to a weight detection mechanism, a safety seat and a weight detection method. Background technique [0002] When using safety seats, children of different weights need to adopt different installation methods and seat belt restraint methods. However, the existing weight detection method uses a plurality of strain gauges to measure the weight together, and the cost is relatively high. [0003] In view of this, it is particularly important to develop and design a weight detection mechanism, a safety seat and a weight detection method that can solve the above technical problems. Contents of the invention [0004] The object of the present invention is to provide a weight detection mechanism, a safety seat and a weight detection method, all of which have the characteristics of simple structure and low cost. [0005] The invention provides a technical solution: [0006]...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01G19/44G01G19/52B60N2/26
CPCG01G19/44G01G19/52B60N2/265
Inventor 李立涛李亚南
Owner NINGBO BABY FIRST BABY PROD CO LTD
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