CN104207792A - Bed body pressure distribution test system based on force balance - Google Patents
Bed body pressure distribution test system based on force balance Download PDFInfo
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- CN104207792A CN104207792A CN201410318371.4A CN201410318371A CN104207792A CN 104207792 A CN104207792 A CN 104207792A CN 201410318371 A CN201410318371 A CN 201410318371A CN 104207792 A CN104207792 A CN 104207792A
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Abstract
The invention discloses a bed body pressure distribution test system based on force balance. The system comprises a bed body, wherein a force testing platform, a bed mattress and a film type pressure distribution sensor are arranged on the bed body, the interior of the bed body is provided with a collection circuit, and the distribution density of pressure sensors in the film type pressure distribution sensor is different. The system has the advantages that the collected data are true and reliable, and the analysis results meet the actual condition.
Description
Technical field
The present invention relates to pressure testing system field, specifically a kind of bed body pressure distribution test macro based on dynamic balance.
Background technology
Bed body stress test can be used for measuring user's partes corporis humani's point distribution of weight situation on bed body, thus the information such as bed structure data, sleeping position, mattress of applicable user can be gone out according to partes corporis humani's point distribution of weight situation analysis, and analyze the sleep scheme of applicable user.Prior art bed body pressure testing system is generally measured by arranging equally distributed pressure transducer on bed body, because weight shared by each several part in human body, volume are different, therefore carry out test by equally distributed equilibrium partial pressure sensor in traditional bed body pressure testing system and do not meet organization of human body feature, each data gone out according to measured data analysis and scheme and actual deviation larger.
Traditional equilibrium partial pressure distribution sensor refer to all pressure distribution sensors in A district, B district, C district or other arbitrary region, single pressure distribution sensor is all same shape, size, specified full scale.How the area of Regional Economy does not change, and single pressure distribution sensor is all the difference of identical shape, size, specified full scale, just distributed quantity.Wherein single pressure distribution sensor can be rectangle, square or special-shaped.No matter single pressure distribution sensor is rectangle, square or special-shaped, be all unifiedly to gather, synchronously complete in rear end.The specified full scale of the sensor in each region, size, shape are consistent, and Acquisition Circuit ranks solidify.The pressure distribution sensor of zones of different, reticular density, size shape, specified full scale is realized by multiple harvester units synchronization, and corresponding assembly is more, and cost is high, demarcation debugging work load is huge, and System Fault Tolerance rate is low.
summary of the inventionthe object of this invention is to provide a kind of bed body pressure distribution test macro based on dynamic balance, to solve the problem that the pressure measxurement of prior art bed body does not meet organization of human body feature.
In order to achieve the above object, the technical solution adopted in the present invention is:
Based on the bed body pressure distribution test macro of dynamic balance, include a body, it is characterized in that: bed body is stacked with from bottom to up successively the ergograph using strain force sensor as measurement component, mattress, diaphragm pressure distribution sensor, Acquisition Circuit is provided with in bed body, ergograph, diaphragm pressure distribution sensor accesses Acquisition Circuit respectively, multiple pressure transducers in described diaphragm pressure distribution sensor are the equilibrium partial pressure distribution of territory, array-type partition, namely diaphragm pressure distribution sensor is divided into multiple region, be in the multiple pressure transducer shapes in the same area, size and specified full scale identical, be in the pressure transducer shape of zones of different, size and specified full scale not identical.
The described bed body pressure distribution test macro based on dynamic balance, it is characterized in that: the multiple pressure transducers in described diaphragm pressure distribution sensor are the non-equilibrium partial pressure distribution in territory, array-type partition, namely diaphragm pressure distribution sensor is divided into multiple region, be in the shape of the multiple pressure transducers in the same area, size and specified full scale different, the shape of the multiple pressure transducers in zones of different, size and specified full scale are different.
The described bed body pressure distribution test macro based on dynamic balance, it is characterized in that: described Acquisition Circuit comprises UNIX embedded system, extendible rank scanning circuit, signal amplifying and conditioning circuit, gating circuit, signal amplification circuit, signal output module, power management module, the power port of described power management module access UNIX embedded system, the control end of described extendible rank scanning circuit, the control end of gating circuit accesses the control port of UNIX embedded system respectively, described diaphragm pressure distribution sensor accesses the input of extendible rank scanning circuit, the extendible outfan of rank scanning circuit is connected with the input of signal amplifying and conditioning circuit, the outfan of signal amplifying and conditioning circuit is connected with the input of gating circuit, the collection port of the outfan access UNIX embedded system of gating circuit, the input of sensor access signal amplification circuit in described ergograph, the collection port of the outfan access UNIX embedded system of signal amplification circuit, the output port of described signal output module access UNIX embedded system, UNIX embedded system is connected with outside display terminal interactive correspondence by signal output module.
The described bed body pressure distribution test macro based on dynamic balance, is characterized in that: described signal output module adopts the Ethernet interface supporting WIFI wireless data transmission.
The described bed body pressure distribution test macro based on dynamic balance, is characterized in that: described signal output module also comprises bluetooth module.
The described bed body pressure distribution test macro based on dynamic balance, it is characterized in that: described bed body is stacked with successively mattress, diaphragm pressure distribution sensor, also include multiple force cell being set to feet, multiple force cell pads respectively and is located at footpost bottom support footpost in a body, and multiple force cell accesses the input of signal amplification circuit in Acquisition Circuit respectively.
In the present invention, adopt diaphragm pressure distribution sensor to measure partes corporis humani and divide distribution of weight and length data, because the corresponding organization of human body of sensor location in diaphragm pressure distribution sensor is divided into zones of different, sensor location shape in zones of different is different, row or column reticular density is different, such setting meets organization of human body feature, the data gathered are true and reliable, and then the analysis result drawn tallies with the actual situation.The present invention can be used for partes corporis humani's point distribution of weight and measures, and measures according to pressure footprints distribution in thin-film pressure sensor to partes corporis humani's point length simultaneously, have measure convenient, measure advantage with a high credibility.
Accompanying drawing explanation
Fig. 1 is that overall structure of the present invention is fallen apart view.
Fig. 2 is pressure transducer distribution schematic diagram in diaphragm pressure distribution sensor in the present invention, wherein:
Fig. 2 a is subregion equilibrium partial pressure distribution sensor distribution schematic diagram, and Fig. 2 b is non-equilibrium partial pressure distribution sensor distribution schematic diagram.
Fig. 3 be ergograph of the present invention when being set to feet structure to fall apart view.
Fig. 4 is Acquisition Circuit structured flowchart of the present invention.
Detailed description of the invention
As shown in Figure 1, based on the bed body pressure distribution test macro of dynamic balance, include a body 1, bed body 1 is stacked with from bottom to up successively the ergograph 2 using strain force sensor as measurement component, mattress 3, diaphragm pressure distribution sensor 4, Acquisition Circuit is provided with in bed body 1, ergograph 2, diaphragm pressure distribution sensor 4 accesses Acquisition Circuit respectively, multiple pressure transducers in diaphragm pressure distribution sensor 4 are the equilibrium partial pressure distribution of territory, array-type partition, namely diaphragm pressure distribution sensor 4 is divided into multiple region, be in the multiple pressure transducer shapes in the same area, size and specified full scale identical, be in the pressure transducer shape of zones of different, size and specified full scale not identical.
As shown in Figure 2 a.Subregion equilibrium partial pressure distribution refers to the pressure distribution sensor in zones of different, and size, shape are different.In the same area, (the same area can divide as requested) single pressure distribution sensor is all same shape, size, specified full scale.How the area of Regional Economy does not change, and single pressure distribution sensor is all identical shape, size, specified full scale.The just difference of distributed quantity.Wherein single pressure distribution sensor can be rectangle, square or special-shaped.Uniquely unlike shape, size, the specified full scale difference of the single pressure distribution sensor in zones of different.Can unify to gather, synchronously complete.For the A district in Fig. 2 a, all pressure distribution sensors in A district are all identical size, shapes.Suppose the size of the single pressure distribution sensor in A district, shape are the size of the single pressure distribution sensor in a1, B district, shape is the single pressure distribution sensor in b1, C district size, shape is c1.So a1 ≠ b1 ≠ c1.Can unify the data gathering A district, B district, C district, the ranks number of collection is with maximum number superposition (a1+ b1+ c1); The specified full scale of pressure distribution sensor can be inconsistent, is all that single harvester completes (but not the sensor of different reticular density is synchronously realized by multiple harvester), to save material, processing, demarcation, debugging, installation cost in rear end.Corresponding line scanning acquisition process scheme also can adopt row acquisition process scheme; The specified full scale of pressure distribution sensor of zones of different can be inconsistent.
Multiple pressure transducers in diaphragm pressure distribution sensor 4 are the non-equilibrium partial pressure distribution in territory, array-type partition, namely diaphragm pressure distribution sensor 4 is divided into multiple region, be in the shape of the multiple pressure transducers in the same area, size and specified full scale different, the shape of the multiple pressure transducers in zones of different, size and specified full scale are different.
As shown in Figure 2 b.Non-equilibrium partial pressure distribution sensor refers to that pressure distribution sensor is not only different at the size of zones of different, shape, specified full scale, and the size of each pressure distribution sensor in single area, shape, specified full scale are also different.Suppose that the sensor width of a-quadrant the first row is a1, the sensor width of the second row is a2, and the sensor width of N-th row is an.a1≠?a2≠an。The sensor width of first row is row 1, and the sensor width of secondary series is row 2, and the sensor width of N row is row n.Row 1 ≠ row 2 ≠ row n.Can show that all single pressure distribution sensor size and dimension in region is not identical like this.Suppose that the ranks width in each region is different, in like manner can show that the pressure distribution sensor size in not only each region, shape, specified full scale are not identical, and all pressure distribution sensor sizes, shape in single area, specified full scale can be different.No matter single pressure distribution sensor is rectangle, square or special-shaped, the columns gathered is with maximum number superposition (maximum number of the maximum number+b1 of a1, a2, an, the maximum number+c1 of b2, bn, c2, cn), all that single harvester completes (but not the sensor of different reticular density is gathered by distributed synchronization), to save material, processing, demarcation, debugging, installation cost in rear end.The specified full scale of pressure distribution sensor of zones of different can be inconsistent.Corresponding line scanning acquisition process scheme also can adopt row acquisition process scheme; The specified full scale design of each single pressure distribution sensor can be inconsistent, to meet abundant application demand.
As shown in Figure 4, Acquisition Circuit comprises UNIX embedded system, extendible rank scanning circuit, signal amplifying and conditioning circuit, gating circuit, signal amplification circuit, signal output module, power management module, the power port of described power management module access UNIX embedded system, the control end of described extendible rank scanning circuit, the control end of gating circuit accesses the control port of UNIX embedded system respectively, described diaphragm pressure distribution sensor accesses the input of extendible rank scanning circuit, the extendible outfan of rank scanning circuit is connected with the input of signal amplifying and conditioning circuit, the outfan of signal amplifying and conditioning circuit is connected with the input of gating circuit, the collection port of the outfan access UNIX embedded system of gating circuit, the input of sensor access signal amplification circuit in described ergograph, the collection port of the outfan access UNIX embedded system of signal amplification circuit, the output port of described signal output module access UNIX embedded system, UNIX embedded system is connected with outside display terminal interactive correspondence by signal output module.
Signal output module adopts the Ethernet interface supporting WIFI wireless data transmission.
Signal output module also comprises bluetooth module.
As shown in Figure 3.Bed body is stacked with mattress, diaphragm pressure distribution sensor successively, also include multiple force cell being set to feet, multiple force cell pads respectively and is located at footpost bottom support footpost in a body, and multiple force cell accesses the input of signal amplification circuit in Acquisition Circuit respectively.
The present invention is that power+pressure distribution gathers structure, unifies Real-time Collection, verifies based on force feedback.In the diaphragm pressure distribution sensor adopted, pressure transducer distribution dot matrix is different from traditional uniform distribution (square), unified ranks can be adopted in not decile cutting, also can adopt different dot matrix density combinations, one-shot forming, same conditioning.
The present invention can complete the body weight distribution of head, arm, shoulder, back, buttocks, thigh, shank, and based on the ride number that pressure distribution analysis draws, the bed structure that recommendations for selection is suitable, mattress, sleeping position.
The present invention is based on the spatial distribution of pressure footprints, personalizable obtains that the brachium of human body, palm, shoulder breadth, waist are wide, lower limb long data, recommends suitable sleep mode and healthy scheme simultaneously.
The present invention simultaneously can carry out lie an equilibrium state, the lie assessment and training of sitting transfer,
The long duration that simultaneously the present invention is based on pressure distribution information detects and adds up, and can carry out the nursing alarm of counteracting bedsores assessment, Intensive Care Therapy.
Claims (6)
1. based on the bed body pressure distribution test macro of dynamic balance, include a body, it is characterized in that: bed body is stacked with from bottom to up successively the ergograph using strain force sensor as measurement component, mattress, diaphragm pressure distribution sensor, Acquisition Circuit is provided with in bed body, ergograph, diaphragm pressure distribution sensor accesses Acquisition Circuit respectively, multiple pressure transducers in described diaphragm pressure distribution sensor are the equilibrium partial pressure distribution of territory, array-type partition, namely diaphragm pressure distribution sensor is divided into multiple region, be in the multiple pressure transducer shapes in the same area, size and specified full scale identical, be in the pressure transducer shape of zones of different, size and specified full scale not identical.
2. the bed body pressure distribution test macro based on dynamic balance according to claim 1, it is characterized in that: the multiple pressure transducers in described diaphragm pressure distribution sensor are the non-equilibrium partial pressure distribution in territory, array-type partition, namely diaphragm pressure distribution sensor is divided into multiple region, be in the shape of the multiple pressure transducers in the same area, size and specified full scale different, the shape of the multiple pressure transducers in zones of different, size and specified full scale are different.
3. the bed body pressure distribution test macro based on dynamic balance according to claim 1, it is characterized in that: described Acquisition Circuit comprises UNIX embedded system, extendible rank scanning circuit, signal amplifying and conditioning circuit, gating circuit, signal amplification circuit, signal output module, power management module, the power port of described power management module access UNIX embedded system, the control end of described extendible rank scanning circuit, the control end of gating circuit accesses the control port of UNIX embedded system respectively, described diaphragm pressure distribution sensor accesses the input of extendible rank scanning circuit, the extendible outfan of rank scanning circuit is connected with the input of signal amplifying and conditioning circuit, the outfan of signal amplifying and conditioning circuit is connected with the input of gating circuit, the collection port of the outfan access UNIX embedded system of gating circuit, the input of sensor access signal amplification circuit in described ergograph, the collection port of the outfan access UNIX embedded system of signal amplification circuit, the output port of described signal output module access UNIX embedded system, UNIX embedded system is connected with outside display terminal interactive correspondence by signal output module.
4. the bed body pressure distribution test macro based on dynamic balance according to claim 3, is characterized in that: described signal output module adopts the Ethernet interface supporting WIFI wireless data transmission.
5. the bed body pressure distribution test macro based on dynamic balance according to claim 3, is characterized in that: described signal output module also comprises bluetooth module.
6. the bed body pressure distribution test macro based on dynamic balance according to claim 1 or 3, it is characterized in that: described bed body is stacked with successively mattress, diaphragm pressure distribution sensor, also include multiple force cell being set to feet, multiple force cell pads respectively and is located at footpost bottom support footpost in a body, and multiple force cell accesses the input of signal amplification circuit in Acquisition Circuit respectively.
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Cited By (6)
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| CN104523387A (en) * | 2014-12-31 | 2015-04-22 | 何向锋 | Array type pressure balance bedsore prevention and control bed |
| CN105942981A (en) * | 2016-06-01 | 2016-09-21 | 深圳市格兰莫尔寝室用品有限公司 | Human body pressure distribution measuring system |
| CN106667435A (en) * | 2016-12-17 | 2017-05-17 | 复旦大学 | Intelligent sensing mattress for monitoring sleep |
| CN107088289A (en) * | 2016-02-18 | 2017-08-25 | 尧乐网络科技（上海）有限公司 | The intelligent Yoga mat and control method of distributed flexible weaving electrode |
| CN110411687A (en) * | 2019-07-25 | 2019-11-05 | 深圳市中深爱的寝具科技有限公司 | Mattress test machine and its mattress test method, control device and readable storage medium storing program for executing |
| US20210316242A1 (en) * | 2018-07-31 | 2021-10-14 | Corning Incorporated | Methods and apparatus for plugging cells of ceramic structures and honeycomb filters |
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