CN103110296B - A kind of experiment bed accessory of automatic control system mechanical property - Google Patents
A kind of experiment bed accessory of automatic control system mechanical property Download PDFInfo
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- CN103110296B CN103110296B CN201310041645.5A CN201310041645A CN103110296B CN 103110296 B CN103110296 B CN 103110296B CN 201310041645 A CN201310041645 A CN 201310041645A CN 103110296 B CN103110296 B CN 103110296B
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- spring
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- mattress
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C31/00—Details or accessories for chairs, beds, or the like, not provided for in other groups of this subclass, e.g. upholstery fasteners, mattress protectors, stretching devices for mattress nets
- A47C31/12—Means, e.g. measuring means for adapting chairs, beds or mattresses to the shape or weight of persons
- A47C31/123—Means, e.g. measuring means for adapting chairs, beds or mattresses to the shape or weight of persons for beds or mattresses
Abstract
A kind of experiment bed accessory of automatic control system mechanical property, comprise mattress and bedstead, mattress (1) is made up of bed core, fabric composite bed (11), latex foam matting layer (12), spring base plate (15), bed core is made up of evenly distributed separate packed spring (13), and bagged-spring (13) to be fixed on independently on spring base plate (15) and to be provided with linear movement pick-up (14); Mattress setting is used for the adjustable comfortableness region (8) of human body spine form change, the spring base plate in this region be by some pieces independently little spring substrate plate form, every block little spring substrate plate is for supporting two horizontally-arranged separate packed springs (13); Linear permanent-magnet reciprocating engine (21) is respectively equipped with immediately below every block little spring substrate plate.The bagged-spring decrement information transmission gathered is fallen into amount to data processor to obtain people-bed interface pressure by information acquisition device by the present invention.Realize the Quantitative study of interface shape and interfacial pressure between true sleeping position and natural prone position state servant-bed.
Description
Technical field
The present invention relates to a kind of body engineering experimental bed accessory.
Background technology
The object of bed accessory or mattress ergonomic designs provides the supporting condition of optimization by the optimal design of bed accessory or mattress performance for human body, has a rest, the energy of people farthest can be recovered with muscle power in the process of having a rest or sleep for people.But bed accessory or the support of mattress to human body are the interactional results of biomethanics relation complicated between people-bed, mainly comprise two aspects: one is the matching relationship of mattress surface deformation and body configuration; Two is the interactional relations of " power " between people-bed, these two aspects all disturb with sleep and prone position comfortableness relevant.Therefore, the Quantitative study of these two aspects has great significance to the human oriented design of mattress and customization production.In addition, bed accessory or mattress not only depend on the mechanical property of bed accessory to the support of human body, also depend on the personalized factor such as buman body type, weight distribution.Therefore, scientific and rational bed accessory or mattress supports design should based on personalized human bodies, namely the optimum matching relation between people-bed is set up based on individual face body characteristics, if and this according to the conventional method (commodity in use bed accessory or mattress) go research, then need to consume a large amount of human and material resources and financial resources, implement very difficult.Experiment bed accessory at present for matching relationship research between people-bed only has some for the specific device of spine form quantification test, but this device needs human body to keep specific posture and position in the process of test, spine form is made just in time to drop on linearly aligned inductor, therefore, can not truly reflect nature sleeping position, and can only from the angle of one-dimensional curve come quantification reflection people-bed between interface shape, interface shape between people-bed can not be truly reflected from solid space, meanwhile, the pressure dependence between people-bed cannot also be reflected.In addition, although also there are some fluid class mattresses such as adjustable water bed mattress and pneumatic mattress in the market, but the deficiency that this kind of mattress is intrinsic in stability, support sense, gas permeability etc., cause the traction of this series products lower, simultaneously, because the quantification that cannot realize mattress mechanical property regulates, therefore, be also not suitable for the quantitative research of matching relationship between people-bed.
Summary of the invention
The present invention is intended to overcome shortcoming and defect part existing in above device and technology, there is provided a kind of can the experiment bed accessory of automatic control bed tool mechanical property, and realize the Quantitative study of interface shape and interfacial pressure between true sleeping position and natural prone position state servant-bed.
Technical solution problem of the present invention adopts following scheme:
A kind of experiment bed accessory of automatic control system mechanical property, comprise mattress and bedstead, its feature is, described mattress is made up of bed core, fabric composite bed, latex foam matting layer, spring base plate, described bed core is made up of evenly distributed separate packed spring, and each bagged-spring is fixed on spring base plate independently; Described mattress setting is used for the adjustable comfortableness region of human body spine form change, the spring base plate in described adjustable comfortableness region be by some pieces independently little sole plate form, the little sole plate of every block is for supporting two horizontally-arranged separate packed springs; Linear permanent-magnet reciprocating engine is respectively equipped with immediately below the described little sole plate of every block, described linear permanent-magnet reciprocating engine promotes the decrement that little sole plate moves up and down to regulate comfortableness region bagged-spring, each bagged-spring of described bed core is equipped with linear movement pick-up, sensor is connected with information acquisition device, by information acquisition device, the bagged-spring decrement information transmission gathered is fallen into amount to data processor to obtain people-bed interface pressure.
Design feature of the present invention is also: the bagged-spring in described comfortableness region is made up of the bagged-spring of two kinds of coefficient of elasticity, adopts the bagged-spring of 0.08N/mm for shoulder test zone, and other region adopts the bagged-spring of 0.22N/mm; The coefficient of elasticity of other region bagged-spring of the extra-regional mattress of described comfortableness is 0.15N/mm.
Compared with the prior art, advantage of the present invention is mainly reflected in:
(1) instant invention overcomes traditional mattress or the research of bed accessory ergonomics to need to consume a large amount of human and material resources, the limitation of financial resources, the mechanical property of bed accessory is regulated by automation, easily can set up the optimum matching relation between people-bed, simple to operate, it is convenient to realize.
(2) instant invention overcomes existing body engineering experimental bed accessory and only can test prone position spine form, can not the limitation at 3D shape interface between quantification test person-bed, by quantification control bed accessory mechanical property both the pressure that can obtain between people-bed fall into shape, again can pressure dependence between quantification ground reflection people-bed.
(3) instant invention overcomes the limitation that existing body engineering experimental bed accessory can not regulate to quantification bed accessory case hardness, by the precompressed to sping mattress comfortableness region spring, the quantification realizing mattress surface hardness regulates.
(4) mattress portions of the present invention adopts spring structure, and therefore, bed accessory has advantage in gas permeability and stability etc.
Figure of description
Fig. 1 is the structure chart that the present invention tests bed accessory.
Fig. 2 is the sectional side elevation that the present invention tests bed accessory.
Fig. 3 is that the present invention tests bed accessory horizontal sectional drawing.
Fig. 4 be invention experiment bed accessory when non-regulating mattress mechanical property, experimenter lies on one's side using state figure.
Fig. 5 be invention experiment bed accessory after regulating mattress mechanical property, experimenter lies on one's side using state figure.
Fig. 6 a, 6b, 6c are that the present invention tests the people-bed interface pressure sunken shape (lie on one's side) of bed accessory data measured by Matlab Software Create.
Number in the figure: backbone curve on 1 mattress, 11 fabric composite beds, 12 latex foam matting layers, 13 bagged-springs, 14 linear type displacement sensor, 15 spring base plates, 2 bedsteads, 21 linear permanent-magnet reciprocating engines, 3 passages, 4 control panels, 5 information acquisition devices, 6 main frames, 7 displays, 8 comfortableness regions, 9 experimenters, 10 coronal-planes.
Detailed description of the invention
Below in conjunction with accompanying drawing and specific implementation method, the technology of the present invention is described further.
As shown in the figure, experiment bed accessory is made up of mattress 1 and bedstead 2, and the left-right and front-back four sides of mattress 1 has 10 passages 3.Mattress 1 is made up of bed core, fabric composite bed 11, latex foam matting layer 12, spring base plate 15.The sandwich layer of mattress 1 is made up of bagged-spring 13, each bagged-spring 13 is fixed on spring base plate 15 independently, spacing between bagged-spring is 60mm, spring heights 160mm, spring base plate has large, medium and small three kinds of specifications, and wherein, large size spring base plate is used for the bagged-spring 13 of fixing mattress leg area, medium size spring base plate is used for the bagged-spring 13 of fixed bed pad head zone, and small size spring base plate is used for the bagged-spring 13 in fixing comfortableness region 8.Simultaneously, on spring base plate 15, bagged-spring 13 internal fixtion has linear type displacement sensor 14, and the distribution of linear type displacement sensor 14 in whole bed core as shown in Figure 4, whole linear type displacement sensor net is connected with information acquisition device 5, and information acquisition device 5 is connected with host computer 6.Mattress surface is covered with the thick knit fabric composite bed 11 of 5mm and the thick latex foam matting layer 12 of 30mm.8 linear permanent-magnet reciprocating engines 21 are fixed with on bedstead 2, immediately below the spring base plate 15 laying respectively at each adjustable comfortableness region 8, automation for comfortableness region 8 regulates and provides power, and 8 linear permanent-magnet reciprocating engines 21 control its push and pull pattern and speed of service thereof by 1 control panel 4.
Wherein comfortableness region is made up of the bagged-spring of two kinds of coefficient of elasticity, and coefficient of elasticity is respectively 0.08N/mm and 0.22N/mm, adopts the bagged-spring of 0.08N/mm for shoulder test zone, and other region adopts the bagged-spring of 0.22N/mm; The coefficient of elasticity of other region bagged-spring 13 of the extra-regional mattress of comfortableness is 0.15N/mm.The mechanical property of bagged-spring and pressure fall into amount and are obtained by 186 linear displacement transducers measurements, total range of sensor is 100mm, divide the region that three linear, be respectively 0mm-10mm, 10mm-40mm, 40mm-100mm, certainty of measurement is respectively 0.05mm, 0.15mm and 4mm, and the sample rate of sensor is 1HZ.The latex foam of 30mm and the knit fabric composite bed of 5mm is enclosed with outside bed core, for disperseing the pressure of bagged-spring, the Compressive Mechanical Properties curve of latex foam and fabric composite bed entirety is known parameter, and the mechanical property by its lower bagged-spring bed mattress calculates its pressure and falls into amount.People-bed interface pressure falls into measure presses the amount of falling into and latex foam, fabric composite to press the superposition of sunken amount to form by bagged-spring.The pressure of bagged-spring fall into amount gathered by linear displacement transducer after through being stored among host computer by information acquisition device, and utilize that MATLAB software calculates latex foam, the amount of falling into pressed by fabric composite by host computer and people-bed interface presses the amount of falling into (people-bed interface is pressed the three-dimensional falling into moment matrix to present to be pressure and fallen into shape, and MATLAB Software Create people-bed interface pressure can be utilized to fall into the graphics of shape).
Specific embodiment of the invention method is introduced below to lie on one's side:
The first step, anthropological measuring, requires body mass index BMI≤30 of experimenter.
BMI=body weight (Kg)/height
2(cm
2)
Second step, experimenter 9 lies on mattress, during as employing lateral sleeping position, requires that backbone 10 occurs without lateral bending.
The procurement process that people-bed interface pressure falls into shape and mattress mechanical property is as follows:
First under human bady gravitational effect, the fabric composite bed 11 of mattress, latex foam layer 12, bagged-spring 13 compression, linear type displacement sensor 14 is subjected to displacement change under pressure, the change in displacement of information acquisition device 5 pick-up transducers 14, namely the pressure of bagged-spring 13 falls into amount, and fall into amount by the pressure of host computer 6 storing spring, pressure according to each spring 13 of bed core falls into amount, in conjunction with the coefficient of elasticity of each spring, by the pressure amount of falling into of each spring and the pressure of the mutually multiplied each spring of the coefficient of elasticity of its spring or support force, namely the pressure distribution matrix of bed core bagged-spring is obtained, by the pressure distribution matrix of the bagged-spring 13 of bed core, in conjunction with the reduced overall mechanical curves of latex foam matting layer 12 and fabric composite bed 11, calculate each spring top spread cover material material pressure fall into amount, the pressure obtaining bed core facing material falls into moment matrix, the pressure of bed core spring is fallen into moment matrix to fall into moment matrix with the pressure of bed core facing material and be added, obtain people-bed interface pressure and fall into moment matrix, i.e. people-bed interface pressure falls into shape, as shown in fig. 6a-6c.
3rd step, occur if any scoliosis, as shown in Figure 5, then by control panel 4, drive 8 linear permanent-magnet reciprocating engines 21 respectively, promote small size spring base plate, regulate the decrement of 8 comfortableness region bagged-springs 13, change the mechanical property of mattress, until lumbar vertebrae curve 10 no longer lateral bend position, as shown in Figure 5.During concrete enforcement, the maximum thrust 6KN of linear permanent-magnet reciprocating engine, maximum pull 4KN, maximum range 200mm, maximal rate 13mm/s, controlled the speed of push and pull by control panel.During people-bed matching relationship research, linear permanent-magnet reciprocating engine adopts the speed of 3mm/s to regulate the Compressive Mechanical Properties of experiment bed accessory, adopts the speed of 0.7mm/s to regulate the mechanical property of bed accessory in sleep experiments process.
4th step, experiment terminates, and experimenter gets up, and by control panel 4, drives engine 21, the spring base plate 15 of a core and bagged-spring 13 are resetted.
Spine form of lying on the back judges or the judgement of middle posture spine form in conjunction with digitized humans, can make digitized humans and people-bed interface phase matching, obtains sleeping position spine form, then utilizes spine form evaluation index to judge.
Indicate: the present invention is used for measuring spring and presses the displacement transducer of the amount of falling into can be orthoscopic sensor or logarithmic sensor, fall into shape generation software for people-bed interface pressure and can adopt Matlab software or other existing graphics softwares.
Claims (1)
1. the experiment bed accessory of an automatic control system mechanical property, comprise mattress and bedstead, it is characterized in that, described mattress (1) is made up of bed core, fabric composite bed (11), latex foam matting layer (12), spring base plate (15), described bed core is made up of evenly distributed separate packed spring (13), and each bagged-spring (13) is fixed on spring base plate (15) independently; Described spring base plate has large, medium and small three kinds of specifications, wherein, large size spring base plate is used for the bagged-spring of fixing mattress leg area, medium size spring base plate is used for the bagged-spring of fixed bed pad head zone, and small size spring base plate is used for the bagged-spring in fixing comfortableness region (8); Described comfortableness region (8) changes for human body spine form, the spring base plate of described comfortableness region (8) be by some pieces independently small size spring base plate form, the small size spring base plate of every block is for supporting two horizontally-arranged separate packed springs (13); Linear permanent-magnet reciprocating engine (21) is respectively equipped with immediately below the small size spring base plate of described every block, described linear permanent-magnet reciprocating engine (21) promotes the decrement that small size spring base plate moves up and down to regulate comfortableness region bagged-spring (13), each bagged-spring (13) of described bed core is equipped with linear movement pick-up (14), sensor is connected with information acquisition device, by information acquisition device, the bagged-spring decrement information transmission gathered is fallen into amount to data processor to obtain people-bed interface pressure; Described latex foam matting layer thickness is 30mm, and described fabric composite bed thickness is 5mm;
Bagged-spring (13) in described comfortableness region is made up of the bagged-spring of two kinds of coefficient of elasticity, adopts the bagged-spring of 0.08N/mm for shoulder test zone, and other region adopts the bagged-spring of 0.22N/mm; The coefficient of elasticity of other region bagged-spring (13) of the extra-regional mattress of described comfortableness is 0.15N/mm.
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| CN201310041645.5A CN103110296B (en) | 2013-02-01 | 2013-02-01 | A kind of experiment bed accessory of automatic control system mechanical property |
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| CN201310041645.5A CN103110296B (en) | 2013-02-01 | 2013-02-01 | A kind of experiment bed accessory of automatic control system mechanical property |
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| CN103110296B true CN103110296B (en) | 2015-12-23 |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104799613B (en) * | 2015-03-25 | 2017-10-24 | 安徽农业大学 | A kind of noiseless identification and healthy partition mattress and the application of record sleep behavior |
| CN104799614B (en) * | 2015-03-25 | 2017-09-08 | 安徽农业大学 | A kind of healthy partition mattress of the noiseless sleeping position identification based on three layers of combination |
| US9841076B2 (en) * | 2016-04-12 | 2017-12-12 | Ford Global Technologies, Llc | Cushion module for assessing comfortability |
| CN106510290A (en) * | 2016-12-13 | 2017-03-22 | 巫溪县兴顺沙发有限公司 | Mattress with adjustable hardness |
| CN107095517A (en) * | 2017-05-25 | 2017-08-29 | 王志强 | Remote health monitoring system based on intelligent bed |
| CN109259770A (en) * | 2018-11-01 | 2019-01-25 | 惠州市万顺桔企业管理服务有限公司 | A kind of human prone position body mechanics study development device |
| CN111265062A (en) * | 2020-03-12 | 2020-06-12 | 深圳市三分之一睡眠科技有限公司 | Intelligent adjustment mattress experience display system and method |
| CN112674545B (en) * | 2020-12-24 | 2022-05-03 | 广州市联柔机械设备有限公司 | Welding device and manufacturing method of multilayer bagged spring string and bagged spring cushion manufacturing equipment |
| CN113440104B (en) * | 2021-05-11 | 2023-12-22 | 辽宁陆吾科技有限公司 | Wisdom vital sign monitoring mattress system |
| CN113616033B (en) * | 2021-09-02 | 2023-03-10 | 南京林业大学 | Hardness-adaptive mattress and intelligent regulation and control method thereof |
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| WO2009102361A1 (en) * | 2008-02-14 | 2009-08-20 | Kingsdown, Inc. | Apparatuses and methods providing variable support and variable comfort control of a sleep system and automatic adjustment thereof |
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| EP1252840A1 (en) * | 2001-04-27 | 2002-10-30 | Fabio Dr. Formenti | Mattress made of latex foam integrating a structure of springs sacked or held in other supporting material |
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Inventor after: Chen Yuxia Inventor after: Guo Yong Inventor after: Shen Liming Inventor after: Liu Shengquan Inventor after: Gao Hui Inventor after: Tu Daowu Inventor after: Liu Yamei Inventor after: Chen Yuxia, Guo Yongshen, liming, Liu Shengquan, Gao Hui, Tu Dao Wu, Liu Yamei, Zhao Guanyan Inventor before: Chen Yuxia Inventor before: Shen Liming Inventor before: Guo Yong Inventor before: Liu Shengquan Inventor before: Gao Hui Inventor before: Tu Daowu Inventor before: Liu Yamei Inventor before: Chen Yuxia, Shen Liming, Guo Yong, Liu Shengquan, Gao Hui, Tu Dao Wu, Liu Yamei, Zhao Guanyan |
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Effective date of registration: 20201203 Address after: 314016 Zhejiang, Xiuzhou Province Wang Jiang Jing Town, Autumn Road, No. 158, No. Patentee after: Keeson Technology Corp.,Ltd. Address before: 230036 Hefei Changjiang Road, Anhui, No. 130 Patentee before: Anhui Agricultural University |