CN103110296A - Experimental bed capable of automatically controlling system mechanical properties - Google Patents
Experimental bed capable of automatically controlling system mechanical properties Download PDFInfo
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- CN103110296A CN103110296A CN2013100416455A CN201310041645A CN103110296A CN 103110296 A CN103110296 A CN 103110296A CN 2013100416455 A CN2013100416455 A CN 2013100416455A CN 201310041645 A CN201310041645 A CN 201310041645A CN 103110296 A CN103110296 A CN 103110296A
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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
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Abstract
The invention relates to an experimental bed capable of automatically controlling system mechanical properties. The experimental bed comprises a mattress and a bedstead, wherein the mattress consists of a bed core, a fabric composite layer (11), a latex foam bedding layer (12) and a spring substrate plate (15), and the bed core consists of evenly arranged independent bagged springs (13); the bagged springs (13) are independently and fixedly arranged on the spring substrate plate (15) and are provided with linear displacement transducers (14), and the mattress is provided with an adjustable comfort region (8) capable of detecting the morphological changes in human spine; the spring substrate plate consists of a plurality of independent small substrate plates, and each small substrate plate is used for supporting two horizontal rows of independent bagged springs (13); and a linear permanent magnet reciprocating motor (21) is respectively arranged under each small substrate plate. The bagged spring compression amount information collected by an information collector is transmitted to a data processor to obtain the human-bed interface indentation amount. The quantitative research on the human-bed interface shape and pressure in real sleeping and natural prone position states is realized.
Description
Technical field
The present invention relates to a kind of body engineering experimental bed accessory.
Background technology
The purpose of bed accessory or mattress ergonomics design is that the optimal design by bed accessory or mattress performance provides the supporting condition of optimization for human body, has a rest for the people, the energy that makes the people and muscle power can have a rest or the process of sleep in farthest be recovered.Yet bed accessory or mattress are the interactional results of biomethanics relation complicated between people-bed to the support of human body, mainly comprise two aspects: the one, and mattress surface deformation and body configuration's matching relationship; The 2nd, the interactional relation of " power " between people-bed, these two aspects are all relevant with sleep interference and prone position comfortableness.Therefore, the Quantitative study of these two aspects has great significance to human oriented design and the customization production of mattress.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 factors such as buman body type, weight distribution.Therefore, scientific and rational bed accessory or mattress supported design should be take personalized human bodies as the basis, namely set up optimum matching relation between people-bed based on the individual face body characteristics, if and this according to the conventional method (commodity in use bed accessory or mattress) go research, need to consume a large amount of human and material resources and financial resources, implement very difficult.The experiment bed accessory that is used at present matching relationship research between people-bed only has some to be used for the specific device of backbone form quantification test, but this device needs human body to keep specific posture and position in the process of test, the backbone form is just in time dropped on linearly aligned inductor, therefore, can not truly reflect the nature sleeping position, and can only come interface shape between quantification reflection people-bed from the angle of a dimension curve, can not truly reflect interface shape between people-bed from solid space, simultaneously, also can't reflect pressure dependence between people-bed.In addition, although the fluid class mattresses such as some adjustable water bed mattress and pneumatic mattress also occur in the market, but this class mattress is in intrinsic deficiencies in aspect such as stability, support sense, gas permeabilities, cause the traction of this series products lower, simultaneously, because the quantification that can't realize the mattress mechanical property is regulated, therefore, also be not suitable for the quantitative research of matching relationship between people-bed.
Summary of the invention
The present invention is intended to overcome existing shortcoming and defect part in above device and technology, a kind of experiment bed accessory that can automatic control bed tool mechanical property is provided, and realizes 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 characteristics are, described mattress is comprised of bed core, fabric composite bed, latex foam matting layer, spring substrate plate, described bed core is made of evenly distributed separate packed spring, and each bagged-spring is fixed on the spring foundation base plate independently; Described mattress is set the regulated comfortableness zone for detection of the human spine metamorphosis, the described spring foundation base plate of regulating the comfortableness zone is to be made of some independently little sole plates, and every little sole plate is used for supporting the separate packed spring of two horizontally-arrangeds; Be respectively equipped with the linear permanent-magnet reciprocating engine under described every little sole plate, described linear permanent-magnet reciprocating engine promotes the decrement that little sole plate moves up and down to regulate the regional bagged-spring of comfortableness, 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 communication that gathers is pressed to fall into and is measured to obtain people-bed interface to data processor.
Design feature of the present invention also is: the bagged-spring in described comfortableness zone is comprised of the bagged-spring of two kinds of coefficient of elasticity, is used for the bagged-spring that the shoulder test zone adopts 0.08N/mm, and bagged-spring of 0.22N/mm is adopted in other zone; The coefficient of elasticity of extra-regional other the regional bagged-spring of mattress of described comfortableness is 0.15N/mm.
Compared with the prior art, advantage of the present invention is mainly reflected in:
(1) the present invention has overcome traditional mattress or the research of bed accessory ergonomics needs to consume a large amount of human and material resources, the limitation of financial resources, regulate the mechanical property of bed accessory by automation, can easily set up the optimum matching relation between people-bed, simple to operate, it is convenient to realize.
(2) the present invention has overcome existing body engineering experimental bed accessory and only can test prone position backbone form, the limitation at 3D shape interface between can not quantification test person-bed, control by quantification ground the pressure that the mechanical property of bed accessory both can obtain between people-bed and fall into shape, again can quantification ground reflect pressure dependence between people-bed.
(3) the present invention overcome existing body engineering experimental bed accessory can not quantification ground regulate the limitation of bed accessory case hardness, the precompressed by to sping mattress comfortableness zone spring realizes that the quantification of mattress surface hardness is regulated.
(4) mattress of the present invention partly adopts spring structure, and therefore, bed accessory has advantage at aspects such as gas permeability and stability.
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 the bed accessory horizontal sectional drawing.
Fig. 4 is invention experiment bed accessory when regulating mattress mechanical property not, experimenter's use state diagram of lying on one's side.
Fig. 5 be invention experiment bed accessory after the regulating mattress mechanical property, experimenter's use state diagram of lying on one's side.
Fig. 6 a, 6b, 6c are that the present invention tests the people of bed accessory data measured by the Matlab Software Create-bed interface and presses and fall into shape (lying on one's side).
Number in the figure: backbone curve on 1 mattress, 11 fabric composite beds, the cotton matting layers of 12 latexes, 13 bagged-springs, 14 orthoscopic displacement transducers, 15 spring substrate plates, 151 large size spring substrate plates, 152 medium size spring substrate plates, 153 small size spring substrate plates, 2 bedsteads, 21 linear permanent-magnet reciprocating engines, 3 passages, 4 engine control panels, 5 information acquisition devices, 6 main frames, 7 displays, the 8 adjustable comfortableness of mattress zones, 9 experimenters, 10 coronal-planes.
The specific embodiment
Below in conjunction with accompanying drawing and specific implementation method, the technology of the present invention is described further.
As shown in the figure, the experiment bed accessory is comprised of mattress 1 and bedstead 2, and the left-right and front-back of mattress 1 has 10 passages 3 on four sides.Mattress 1 is comprised of bed core, fabric composite bed 11, latex foam matting layer 12, spring substrate plate 15.The sandwich layer of mattress 1 is comprised of bagged-spring 13, each bagged-spring 13 is fixed on spring foundation base plate 15 independently, spacing between bagged-spring is 60mm, spring height 160mm, the spring substrate plate has large, medium and small three kinds of specifications, and wherein, large size spring substrate plate 151 is used for the fixedly bagged-spring 13 of mattress leg area, medium size spring substrate plate 152 is used for the bagged-spring 13 in fixed bed margin section zone, and small size spring substrate plate is used for the fixedly bagged-spring 13 in comfortableness zone 8.Simultaneously, on spring substrate plate 15, be fixed with orthoscopic displacement transducer 14 in bagged-spring 13, the distribution of orthoscopic displacement transducer 14 in whole bed core as shown in Figure 4, whole orthoscopic displacement transducer 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 12 of 30mm.Be fixed with 8 linear permanent-magnet reciprocating engines 21 on bedstead 2, lay respectively at each adjustable comfortableness zone 8 spring substrate plate 15 under, regulate for the automation in comfortableness zone 8 power is provided, 8 linear permanent-magnet reciprocating engines 21 are controlled it by 1 control panel 4 and are pushed away and pull-mode and the speed of service thereof.
Wherein the comfortableness zone is comprised of the bagged-spring of two kinds of coefficient of elasticity, and coefficient of elasticity is respectively 0.08N/mm and 0.22N/mm, is used for the bagged-spring that the shoulder test zone adopts 0.08N/mm, and the bagged-spring of 0.22N/mm is adopted in other zone; The coefficient of elasticity of other regional 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, the zone of dividing three linearities, 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.Bed core coated outside has the latex foam of 30mm and the knit fabric composite bed of 5mm, be used for disperseing the pressure of bagged-spring, the Compressive Mechanical Properties curve of latex foam and fabric composite bed integral body is known parameter, can calculate it by the mechanical property of its lower bagged-spring bed mattress and press the amount of falling into.People-sunken amount of bed interface pressure presses the amount of falling into and latex foam, the sunken amount stack of fabric composite pressure to form by bagged-spring.The pressure of bagged-spring fall into amount by the linear displacement transducer collection by being stored in by information acquisition device among host computer, and utilize MATLAB software to calculate latex foam, fabric composite by host computer and press the amount of falling into and people-bed interface to press the amount of falling into (people-bed presses the three-dimensional that falls into moment matrix to present in the interface to be to press and falls into shape, can utilize the graphics of MATLAB Software Create people-sunken shape of bed interface pressure).
The below introduces specific implementation method of the present invention to lie on one's side as example:
The first step, anthropological measuring requires experimenter's body mass index BMI≤30.
BMI=body weight (Kg)/height 2(cm2)
Second step, experimenter 9 lies on mattress, when adopting lateral sleeping position, requires backbone 10 to occur without lateral bending.
The procurement process of people-bed sunken shape of interface pressure and mattress mechanical property is as follows:
at first under the human bady gravitational effect, the fabric composite bed 11 of mattress, latex foam layer 12, bagged-spring 13 compressions, orthoscopic displacement transducer 14 is subjected to displacement variation under pressure, the change in displacement of information acquisition device 5 pick-up transducers 14, the pressure that is bagged-spring 13 falls into amount, and fall into amount by the pressure of host computer 6 storing springs, fall into amount according to the pressure of each spring 13 of bed core, coefficient of elasticity in conjunction with each spring, multiply each other to get pressure or the support force of each spring of the coefficient of elasticity that pressure by each spring falls into amount and its spring, namely obtain the pressure distribution matrix of bed core bagged-spring, pressure distribution matrix by bed core bagged-spring 13, reduced overall mechanical curves in conjunction with latex foam layer 12 and fabric composite bed 11, calculate the pressure that each spring top spreads the cover material material and fall into amount, the pressure that gets bed core facing material falls into moment matrix, the pressure of bed core spring is fallen into moment matrix and the sunken moment matrix addition of a pressure of core facing material, get people-sunken moment matrix of bed interface pressure, it is people-sunken shape of bed interface pressure, as shown in Fig. 6 a-6c.
The 3rd step, occur if any scoliosis, as shown in Figure 5, by control panel 4, drive respectively 8 linear permanent-magnet reciprocating engines 21, promote small size spring substrate plate 153, regulate the decrement of the regional bagged-spring 13 of 8 comfortablenesses, change the mechanical property of mattress, until lumbar vertebrae curve 10 lateral bending position no longer, 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 is controlled the speed that pushes away and draw by control panel.When people-bed matching relationship was studied, the linear permanent-magnet reciprocating engine adopted the speed of 3mm/s to regulate the Compressive Mechanical Properties of experiment bed accessory, adopted the mechanical property of the speed adjusting bed accessory of 0.7mm/s in the sleep experiments process.
In the 4th step, experiment finishes, and the experimenter gets up, and by control panel 4, drives engine 21, and a core spring substrate plate 15 and bagged-spring 13 are resetted.
The backbone form of lying on the back is judged or the judgement of middle posture backbone form can make digitlization manikin and people-bed interface phase match in conjunction with the digitlization manikin, obtains sleeping position backbone form, then utilizes backbone form evaluation index to judge.
Indicate: the present invention can be orthoscopic sensor or logarithm sensor for the displacement transducer that the measuring spring pressure falls into amount, is used for people-sunken shape of bed interface pressure and generates software and can adopt Matlab software or other existing graphics softwares.
Claims (2)
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 comprised of bed core, fabric composite bed (11), latex foam matting layer (12), spring substrate plate (15), described bed core is made of evenly distributed separate packed spring (13), and each bagged-spring (13) is fixed on spring foundation base plate (15) independently; Described mattress is set the regulated comfortableness zone (8) for detection of the human spine metamorphosis, the described spring foundation base plate of regulating comfortableness zone (8) is to be made of some independently little sole plates, and every little sole plate is used for supporting two horizontally-arranged separate packed springs (13); Be respectively equipped with linear permanent-magnet reciprocating engine (21) under described every little sole plate, described linear permanent-magnet reciprocating engine (21) promotes the decrement that little sole plate moves up and down to regulate comfortableness zone 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 communication that gathers is pressed to fall into and is measured to obtain people-bed interface to data processor.
2. the experiment bed accessory of a kind of automatic control system mechanical property according to claim 1, it is characterized in that, bagged-spring (13) in described comfortableness zone is comprised of the bagged-spring of two kinds of coefficient of elasticity, be used for the bagged-spring that the shoulder test zone adopts 0.08N/mm, the bagged-spring of 0.22N/mm is adopted in other zone; The coefficient of elasticity of other regional bagged-spring (13) of the extra-regional mattress of described comfortableness is 0.15N/mm.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104799613A (en) * | 2015-03-25 | 2015-07-29 | 安徽农业大学 | E-healthy partitioned mattress capable of recognizing and recording sleep behavior without interference |
| CN104799614A (en) * | 2015-03-25 | 2015-07-29 | 安徽农业大学 | Three-layer combination based healthy partitioned mattress capable of recognizing sleep postures without interference |
| 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 |
| CN107290097A (en) * | 2016-04-12 | 2017-10-24 | 福特全球技术公司 | Pad module for assessing comfortableness |
| 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 |
| CN112674545A (en) * | 2020-12-24 | 2021-04-20 | 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 |
| CN113440104A (en) * | 2021-05-11 | 2021-09-28 | 辽宁陆吾科技有限公司 | Wisdom vital sign monitoring mattress system |
| CN113616033A (en) * | 2021-09-02 | 2021-11-09 | 南京林业大学 | Hardness-adaptive mattress and intelligent regulation and control method thereof |
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| 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 |
| CN112674545A (en) * | 2020-12-24 | 2021-04-20 | 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 |
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| CN113440104A (en) * | 2021-05-11 | 2021-09-28 | 辽宁陆吾科技有限公司 | Wisdom vital sign monitoring mattress system |
| CN113440104B (en) * | 2021-05-11 | 2023-12-22 | 辽宁陆吾科技有限公司 | Wisdom vital sign monitoring mattress system |
| CN113616033A (en) * | 2021-09-02 | 2021-11-09 | 南京林业大学 | Hardness-adaptive mattress and intelligent regulation and control method thereof |
| 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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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 |
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