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Coupling-bionics-based food crispness tester and testing method

A tester and brittleness technology, applied in the direction of testing food, testing material hardness, material inspection products, etc., can solve the problem of no accurate food brittleness testing method, no bionic testing method for judging food brittleness, etc., to overcome subjectivity and simplify structure, cost reduction effect

Inactive Publication Date: 2014-02-05
YANGTZE NORMAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Through the above analysis and research, there are no accurate food brittleness testing methods and testing instruments at home and abroad, and there is no bionic testing method to judge food brittleness through the force and sound of human chewing food

Method used

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  • Coupling-bionics-based food crispness tester and testing method
  • Coupling-bionics-based food crispness tester and testing method
  • Coupling-bionics-based food crispness tester and testing method

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Experimental program
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Embodiment 1

[0083] figure 1 It is a schematic diagram of the structure principle of the bionic brittleness tester, figure 2 For the food brittleness test process diagram, image 3 for bionic teeth, Figure 4 For the bionic jaw, Figure 5 For the bionic temporomandibular joint, Image 6 For the chewing drive mechanism, Figure 7 For the feeding drive mechanism, Figure 8 To imitate the warm and humid environment of the oral cavity, Figure 9 For bionic periodontal ligament, Figure 10 It is a bionic periodontal ligament conversion amplifier circuit, as shown in the figure: a food brittleness tester based on coupling bionics provided by the present invention, including a chewing simulator, a brittle crack signal acquisition system and a data processing and analysis system;

[0084] The chewing simulator is used for simulating the human chewing system to chew broken food;

[0085] The brittle signal acquisition system includes a mechanical brittle signal acquisition unit and a sound...

Embodiment 2

[0140] This embodiment describes in detail the food brittleness tester and testing method based on coupling bionics in conjunction with the accompanying drawings:

[0141] figure 1 It is a schematic diagram of the structure principle of the bionic brittleness tester, figure 2 It is a food brittleness test process, as shown in the figure, the brittleness test process of the present invention is mainly to simulate the process of human eating, chewing, and perception. Firstly, the auxiliary mechanism sends the food block into the bionic mandible, and then the driving mechanism sends the food block into the tooth and maxillofacial surface of the bionic mandible, and at the same time pulls the bionic masticatory muscles to drive the bionic upper jaw to realize chewing and crushing movement in the bionic temporomandibular joint; during this process The medium temperature and humidity environment component inputs artificial saliva to the bionic teeth and food block, and maintains a...

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Abstract

The invention discloses a coupling-bionics-based food crispness tester which comprises a chewing simulator, a cracking signal acquisition system and a data processing and analysis system, wherein the chewing simulator is used for simulating the food chewing of a human chewing system; the cracking signal acquisition system is used for acquiring a pressure signal and a sound signal, which are generated during the chewing of the chewing simulator; the data processing and analysis system is used for receiving the signals, and performing data processing and analysis to acquire a predetermined food crispiness result. The coupling-bionics-based food crispness tester is established by simulating the human chewing system and an auditory system by a bionic technology, and is used for acquiring mechanical and acoustic signals when the food is chewed, establishing a sensory crispness evaluation and mechanical and acoustic signal prediction model and comprehensively determining the crispness of the food by utilizing the model; an integrated manual technical system with the characteristic of achieving maximum environmental adaptability with low energy consumption is constructed; a test is carried out from a crispness formation mechanism, and is superior to crispness evaluation from other indexes such as cracks and simply from the mechanical signals.

Description

technical field [0001] The invention relates to the field of food detection, in particular to a food brittleness tester and a test method based on coupling bionics. Background technique [0002] The brittleness of food is an important sensory index of food, which has an important impact on the freshness, storage and safety of food materials. At present, the determination of food brittleness mainly includes sensory evaluation method and instrumental method. Sensory evaluation is the most accurate evaluation method of brittleness through human beings' perception of force and sound when chewing food, and then analyzing and judging. However, sensory evaluation not only requires evaluators with certain judgment ability, but also the evaluation process is time-consuming and labor-intensive, and the result is also subject to subjective factors, so the evaluation is very unstable. The instrumental methods for measuring brittleness include general-purpose food texture analyzer and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/40G01N29/14G01N33/02
Inventor 孙钟雷李宇李昌满李敏冉景盛
Owner YANGTZE NORMAL UNIVERSITY
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