Mattress elasticity index evaluation method

A mattress and elasticity technology, applied in the field of evaluation of mattress elasticity indicators, can solve problems such as insufficient science, complicated test methods, inaccurate judgment methods of mattress elasticity, etc., and achieve the effect of simple evaluation methods

Pending Publication Date: 2021-03-09
GUIZHOU DAZIRAN TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the current method of judging the elasticity of mattresses is inaccurate and not scientific enough
[0003] For this reason, our company has previously studied a mattress elasticity evaluation method, the publication number is CN110514373A, but this technology still has the problem that the test method is relatively complicated and the evaluation of mattress elasticity is not intuitive enough.

Method used

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  • Mattress elasticity index evaluation method
  • Mattress elasticity index evaluation method
  • Mattress elasticity index evaluation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0109] Example 1. A method for judging mattress elasticity index, the steps are as follows:

[0110] Step 1: Place a mattress sample with a size of 300*300*80mm on the platform of the Tm2101 compression testing machine, and the center of the mattress sample is vertically aligned with the center of the circular pressure plate of the Tm compression testing machine; the circle The diameter of the shaped pressure plate is 200mm; the mattress sample needs to be placed in a room with 25°C and 50% humidity for 20 hours before testing; the distance between the mattress sample and the circular pressure plate is ≥ 50mm;

[0111] Step 2: Use the static compression program of the compression testing machine to set the compression parameters. The setting content is: set the compression speed to 20mm / min, set the pressure to 21kgn, set the compression speed to 5mm / min, and set the compression time 0.02min, set the pre-tightening force to 0.025kgn, set the absolute value of the direction an...

Embodiment 2

[0116] Example 2. A method for judging mattress elasticity index, the steps are as follows:

[0117] Step 1: Place a mattress sample with a size of 300*300*60mm on the platform of the Tm2101 compression testing machine, and the center of the mattress sample is vertically aligned with the center of the circular pressure plate of the Tm compression testing machine; the circle The diameter of the shaped pressure plate is 100mm; the mattress sample needs to be placed in a room with 25°C and 50% humidity for 30 hours before testing; the distance between the mattress sample and the circular pressure plate is ≥ 50mm;

[0118] Step 2: Use the static compression program of the compression testing machine to set the compression parameters. The setting content is: set the compression speed to 20mm / min, set the pressure to 5kgn, set the compression speed to 5mm / min, and set the compression time 0.02min, set the pre-tightening force to 0.025kgn, set the absolute value of the direction and...

Embodiment 3

[0123] Example 3. A method for judging mattress elasticity index, the steps are as follows:

[0124] Step 1: Place a mattress sample block with a size of 300*300*100mm on the platform of the Tm2101 compression testing machine, and the center of the mattress sample block is vertically aligned with the center of the circular pressure plate of the Tm compression testing machine; the circle The diameter of the shaped pressure plate is 250mm; the mattress sample needs to be placed in a room with 25°C and 50% humidity for 24 hours before testing; the distance between the mattress sample and the circular pressure plate is ≥ 50mm;

[0125] Step 2: Use the static compression program of the compression testing machine to set the compression parameters. The setting content is: set the compression speed to 100mm / min, set the pressure to 34kgn, set the compression speed to 30mm / min, and set the compression time 1min, set the pre-tightening force to 0.025kgn, set the absolute value of the ...

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Abstract

The invention discloses a method for judging elastic indexes of a mattress. The elasticity grade of a mattress is judged by using the hysteresis loss rate E of the mattress, and the judgment method isas follows, E is less than or equal to 10%, grade A is very good in elasticity of the mattress; 10% is less than E, E is less than or equal to 20%, and the mattress has good elasticity at the B level; 20%is less than E, E is less than or equal to 30%, and the C-grade mattress has common elasticity; 30% is less than E, E is less than or equal to 40%, and elasticity of the mattress is poor at the Dlevel; 40% is less than E, and the E grade is poor in elasticity of the mattress. The method is advantaged in that the method is simple, the elasticity grade representing the mattress can be scientifically, quantitatively and accurately judged, the elasticity index of the mattress can be accurately represented, the elasticity degree of the mattress can be judged accordingly, the judgment result is visual, manufacturers can be guided to develop products, consumers can be guided to select mattresses with proper elasticity, and the method is suitable for popularization and application; and accuracy of the test result is high.

Description

technical field [0001] The invention relates to the field of evaluating mattress elasticity, in particular to a method for evaluating mattress elasticity indexes. Background technique [0002] For a long time, we have been emphasizing that mattresses need to have good elasticity, but until now, no one has conducted in-depth research on why mattresses need elasticity and what the role of elasticity is for mattresses. At present, we often use the rebound height of the falling ball to judge whether a mattress has good elasticity, but in life, we often encounter many inconsistent phenomena with the imagination that the better the elasticity, the higher the rebound height of the falling ball. For example: In common sense, we think that the elasticity of the mattress is relatively good, and the elasticity of the cement floor is relatively poor, or even has no elasticity. The elasticity of the mattress will naturally be better than that of the cement floor, but when the steel ball ...

Claims

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Application Information

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IPC IPC(8): G01N3/08G01M5/00
CPCG01N3/08G01M5/005
Inventor 廖廷茂陈宗勇黄龙张丽影刘显科
Owner GUIZHOU DAZIRAN TECH
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