CN110074931A - A kind of weighing method, bed weighing system and weigh-bed - Google Patents
A kind of weighing method, bed weighing system and weigh-bed Download PDFInfo
- Publication number
- CN110074931A CN110074931A CN201910353843.2A CN201910353843A CN110074931A CN 110074931 A CN110074931 A CN 110074931A CN 201910353843 A CN201910353843 A CN 201910353843A CN 110074931 A CN110074931 A CN 110074931A
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- Prior art keywords
- cylinder
- bed
- loading component
- baroceptor
- weighing
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
- A61G7/05—Parts, details or accessories of beds
- A61G7/0527—Weighing devices
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- Health & Medical Sciences (AREA)
- Nursing (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
It includes several loading components that the present invention, which discloses a kind of weighing method, bed weighing system and weigh-bed, the system,；The loading component is mounted on bedstead；The loading component includes cylinder and baroceptor；The cylinder inner sealing has gas；The baroceptor is arranged in the cylinder interior；The baroceptor of several loading components with Weight acquisition circuit connection.The present invention realizes weighing by carrying out pressure measurement to cylinder inner sealing gas, and not only original measurement value change rate is big, and measurement is easy, and signal processing is simple, and measurement accuracy is high, reliable and stable.The present invention can flexible choice loading component as needed quantity, using modularized design, configuration is flexible, it is easy for installation, it is configured on the bedsteads such as single column, Double-pillar, three column types, four column types, is not influenced by bedstead posture, while cylinder additionally provides certain shock-absorbing function.
Description
Technical field
The present invention relates to medical field more particularly to a kind of weighing methods, bed weighing system and weigh-bed.
Background technique
Existing high-end electric hospital bed equipped with human body weighing's device, using foil gauge as measuring unit, pressure makes to strain
Piece generates deformation, and the corresponding resistance of foil gauge changes therewith, and still, the change rate of foil gauge is smaller, need using favour this
Energization bridge mensuration and biggish enlargement ratio could obtain final electric signal, and measurement accuracy is by installation direction and temperature
Variation is affected.
Summary of the invention
It is an object of the invention to pass through a kind of weighing method, bed weighing system and weigh-bed, to solve background above
The problem of technology segment is mentioned.
To achieve this purpose, the present invention adopts the following technical scheme:
A kind of weighing method, this method comprises the following steps:
S101, n loading component is mounted on bedstead, wherein n is positive integer, and loading component includes cylinder and air pressure
Sensor, the cylinder inner sealing have gas, and the baroceptor is arranged in the cylinder interior, the n loading component
Baroceptor with Weight acquisition circuit connection；
S102, bed surface nobody or without article place when, the inner pressure of air cylinder of all cylinders of Weight acquisition circuit counting
m1G:
m1G=F11+F21+F31+...+Fn1
Wherein, g is acceleration of gravity, F11, F21, F31…Fn1The cylinder internal pressure of each cylinder in respectively n loading component
Power, F11=P11*A1, F21=P21*A2, F31=P31*A3...,Fn1=Pn1*An, P11, P21, P31…Pn1It is adopted for each baroceptor
The cylinder pressure of collection, A1, A2, A3…AnFor the cross-sectional area of each cylinder；
S103, in someone on bed surface or article, the inner pressure of air cylinder of Weight acquisition circuit counting all cylinders at this time
m2G:
m2G=F12+F22+F32+...+Fn2
Wherein, g is acceleration of gravity, F12, F22, F32…Fn2In respectively n loading component in the cylinder of each cylinder at this time
Pressure, F12=P12*A1, F22=P22*A2, F32=P32*A3...,Fn2=Pn2*An, P12, P22, P32…Pn2For each baroceptor
The cylinder pressure of acquisition, A1, A2, A3…AnFor the cross-sectional area of each cylinder；
S104, Weight acquisition circuit are according to m1G and m2G calculates in step S103 people or the weight m of article on bed surface:
I.e.
Wherein, Δ P1=P12-P11, Δ P2=P22-P21, Δ P3=P32-P31,…ΔP1=Pn2-Pn1。
Particularly, loading component further includes obliquity sensor in the step S101；The obliquity sensor is arranged in institute
It states on cylinder.
Based on above-mentioned weighing method, the present invention also provides a kind of with weighing system, which includes several weighings members
Part；The loading component is mounted on bedstead；The loading component includes cylinder and baroceptor；The cylinder inner sealing has
Gas；The baroceptor is arranged in the cylinder interior；The baroceptor of several loading components is adopted with weight
Collector connection.
Particularly, the loading component further includes obliquity sensor；The obliquity sensor is arranged on the cylinder.
The present invention also provides a kind of weigh-bed, which uses above-mentioned bed weighing system.
Weighing method, bed weighing system and weigh-bed proposed by the present invention are by carrying out pressure to cylinder inner sealing gas
Weighing is realized in measurement, and not only original measurement value change rate is big, and measurement is easy, and signal processing is simple, and measurement accuracy is high, is stablized
Reliably.In addition, the present invention can flexible choice loading component as needed quantity, using modularized design, configuration flexibly, installation
It is convenient, it is configured on the bedsteads such as single column, Double-pillar, three column types, four column types, is not influenced by bedstead posture, while cylinder is also
Provide certain shock-absorbing function.An obliquity sensor is also mounted in loading component in the present invention, it can be ensured that pressure direction
On the same line with the direction of acceleration of gravity, keep measured value accurate.
Detailed description of the invention
Fig. 1 is the weighing method flow diagram that the embodiment of the present invention one provides；
Fig. 2 is the loading component schematic diagram of internal structure that the embodiment of the present invention one provides；
Fig. 3 is the obliquity sensor scheme of installation that the embodiment of the present invention one provides；
Fig. 4 is the scheme of installation of loading component in bed weighing system provided by Embodiment 2 of the present invention；
Fig. 5 is the weigh-bed structural schematic diagram that the embodiment of the present invention three provides.
Specific embodiment
To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.In attached drawing
Give presently preferred embodiments of the present invention.But the invention can be realized in many different forms, however it is not limited to this paper institute
The embodiment of description.On the contrary, purpose of providing these embodiments is makes to the more thorough of the disclosure understanding
Comprehensively.It should be noted that it can be directly to another when an element is considered as " connection " another element
Element may be simultaneously present centering elements.Unless otherwise defined, all technical and scientific terms used herein with
It is identical to belong to the normally understood meaning of those skilled in the art of the invention.Made in the description of the invention herein
Term, which is only for the purpose of describing specific embodiments, is not intended to limit the present invention.
Embodiment one
It please refers to shown in Fig. 1, Fig. 1 is the weighing method flow diagram that the embodiment of the present invention one provides.In the present embodiment
Weighing method specifically comprises the following steps:
S101, n loading component is mounted on bedstead, wherein n is positive integer.As shown in Fig. 2, the loading component
Including cylinder 201 and baroceptor 202,201 inner sealing of cylinder has the gas of certain pressure, the baroceptor
202 be arranged inside the cylinder 201, the baroceptor of the n loading component with Weight acquisition circuit connection.
S102, bed surface nobody or without article place when, the inner pressure of air cylinder of all cylinders of Weight acquisition circuit counting
m1G:
m1G=F11+F21+F31+...+Fn1
Wherein, g is acceleration of gravity, F11, F21, F31…Fn1The cylinder internal pressure of each cylinder in respectively n loading component
Power, F11=P11*A1, F21=P21*A2, F31=P31*A3...,Fn1=Pn1*An, P11, P21, P31…Pn1It is adopted for each baroceptor
The cylinder pressure of collection, A1, A2, A3…AnFor the cross-sectional area of each cylinder；
S103, in someone on bed surface or article, upper piston can be pressed down against the gas in cylinder, the air pressure in cylinder
Sensor can collect the variation of air pressure, and Weight acquisition circuit is given in output, the gas of Weight acquisition circuit counting all cylinders at this time
In-cylinder pressure m2G:
m2G=F12+F22+F32+...+Fn2
Wherein, g is acceleration of gravity (known constant), F12, F22, F32…Fn2In respectively n loading component each cylinder this
When inner pressure of air cylinder, F12=P12*A1, F22=P22*A2, F32=P32*A3...,Fn2=Pn2*An, P12, P22, P32…Pn2It is each
The cylinder pressure of baroceptor acquisition, A1, A2, A3…AnFor the cross-sectional area (known constant) of each cylinder.
S104, Weight acquisition circuit are according to m1G and m2G calculates in step S103 people or the weight m of article on bed surface:
I.e.
Wherein, Δ P1=P12-P11, Δ P2=P22-P21, Δ P3=P32-P31,…ΔP1=Pn2-Pn1。
In order to ensure cylinder the direction pressure F and gravity acceleration g direction on the same line, keep measured value accurate,
As shown in figure 3, in the present embodiment, the loading component further includes obliquity sensor 301, the obliquity sensor 301 is arranged
In the cylinder 201, Weight acquisition circuit is connected, inclination data is sent to Weight acquisition circuit.
Embodiment two
Based on the weighing method in embodiment one, a kind of is present embodiments provided with weighing system, if the system includes
Dry loading component.As in the first embodiment, the loading component is mounted on bedstead；The loading component includes cylinder and air pressure sensing
Device；The cylinder inner sealing has gas；The baroceptor is arranged in the cylinder interior；The gas of several loading components
Pressure sensor with Weight acquisition circuit connection.Same embodiment one, in order to ensure the direction pressure F of cylinder and acceleration of gravity
The direction of g on the same line, keeps measured value accurate, and in the present embodiment, the loading component further includes obliquity sensor, institute
Obliquity sensor is stated to be arranged on the cylinder.
Specifically, as shown in figure 4, Fig. 4 is the scheme of installation of loading component in bed weighing system, 401 and 402 in figure
It is loading component, 403 be bed frame, and 404 be middle bedstead, and 405 be lower bedstead.It should be noted that claiming in bed weighing system
Weight element quantity can flexible configuration as needed, be configured on the bedsteads such as single column, Double-pillar, three column types, four column types.
Embodiment three
A kind of weigh-bed is present embodiments provided, the weigh-bed is using the bed weighing system in embodiment one.Such as Fig. 5 institute
Showing, Fig. 5 is using the structural schematic diagram of the weigh-bed of four loading components, and 501,502,503,504 be loading component in figure,
505 be push rod.
Technical solution of the present invention realizes weighing by carrying out pressure measurement to cylinder inner sealing gas, not only original measurement
It is big to be worth change rate, measurement is easy, and signal processing is simple, and measurement accuracy is high, reliable and stable.In addition, the present invention can be according to need
The quantity for wanting flexible choice loading component, using modularized design, configuration is flexibly, easy for installation, is configured in single column, twin columns
It on the bedsteads such as type, three column types, four column types, is not influenced by bedstead posture, while cylinder additionally provides certain shock-absorbing function.This hair
An obliquity sensor is also mounted in bright middle loading component, it can be ensured that the direction of pressure direction and acceleration of gravity is the same as always
On line, keep measured value accurate.
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out by above embodiments to the present invention
It is described in further detail, but the present invention is not limited to the above embodiments only, without departing from the inventive concept, also
It may include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (5)
1. a kind of weighing method, which comprises the steps of:
S101, n loading component is mounted on bedstead, wherein n is positive integer, and loading component includes cylinder and air pressure sensing
Device, the cylinder inner sealing have gas, and the baroceptor is arranged in the cylinder interior, the gas of the n loading component
Pressure sensor with Weight acquisition circuit connection；
S102, bed surface nobody or without article place when, the inner pressure of air cylinder m of all cylinders of Weight acquisition circuit counting1G:
m1G=F11+F21+F31+...+Fn1
Wherein, g is acceleration of gravity, F11, F21, F31…Fn1The inner pressure of air cylinder of each cylinder, F in respectively n loading component11
=P11*A1, F21=P21*A2, F31=P31*A3...,Fn1=Pn1*An, P11, P21, P31…Pn1For the gas of each baroceptor acquisition
Cylinder pressure, A1, A2, A3…AnFor the cross-sectional area of each cylinder；
S103, in someone on bed surface or article, the inner pressure of air cylinder m of Weight acquisition circuit counting all cylinders at this time2G:
m2G=F12+F22+F32+...+Fn2
Wherein, g is acceleration of gravity, F12, F22, F32…Fn2The cylinder internal pressure of each cylinder at this time in respectively n loading component
Power, F12=P12*A1, F22=P22*A2, F32=P32*A3...,Fn2=Pn2*An, P12, P22, P32…Pn2It is adopted for each baroceptor
The cylinder pressure of collection, A1, A2, A3…AnFor the cross-sectional area of each cylinder；
S104, Weight acquisition circuit are according to m1G and m2G calculates in step S103 people or the weight m of article on bed surface:
I.e.
Wherein, Δ P1=P12-P11, Δ P2=P22-P21, Δ P3=P32-P31,…ΔP1=Pn2-Pn1。
2. weighing method according to claim 1, which is characterized in that loading component further includes inclination angle in the step S101
Sensor；The obliquity sensor is arranged on the cylinder.
3. a kind of bed weighing system based on weighing method described in claim 1, which is characterized in that including several weighing members
Part；The loading component is mounted on bedstead；The loading component includes cylinder and baroceptor；The cylinder inner sealing has
Gas；The baroceptor is arranged in the cylinder interior；The baroceptor of several loading components is adopted with weight
Collector connection.
4. bed weighing system according to claim 3, which is characterized in that the loading component further includes inclination angle sensing
Device；The obliquity sensor is arranged on the cylinder.
5. a kind of weigh-bed, which is characterized in that the weigh-bed uses the described in any item bed weighing systems of claim 3 or 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910353843.2A CN110074931A (en) | 2019-04-29 | 2019-04-29 | A kind of weighing method, bed weighing system and weigh-bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910353843.2A CN110074931A (en) | 2019-04-29 | 2019-04-29 | A kind of weighing method, bed weighing system and weigh-bed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110074931A true CN110074931A (en) | 2019-08-02 |
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ID=67417552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910353843.2A Pending CN110074931A (en) | 2019-04-29 | 2019-04-29 | A kind of weighing method, bed weighing system and weigh-bed |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101034002A (en) * | 2007-02-01 | 2007-09-12 | 上海交通大学 | Automobile dynamically weighing sensing device |
| US20070272450A1 (en) * | 2003-12-12 | 2007-11-29 | Hill-Rom Services, Inc. | Seat Force Sensor |
| CN101672689A (en) * | 2008-09-12 | 2010-03-17 | 宁波柯力电气制造有限公司 | Weighing system and weighing method thereof |
| CN101953740A (en) * | 2010-09-18 | 2011-01-26 | 浙江海圣医疗器械有限公司 | Weighing module system for medical monitoring bed |
| CN205198317U (en) * | 2015-08-28 | 2016-05-04 | 深圳市中医院 | Patient's bed with function of weighing |
| CN108472187A (en) * | 2016-12-20 | 2018-08-31 | 测量用具有限公司 | Scale system and method |
| CN109363847A (en) * | 2018-10-30 | 2019-02-22 | 厚福医疗装备有限公司 | The hospital bed that can be weighed |
-
2019
- 2019-04-29 CN CN201910353843.2A patent/CN110074931A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070272450A1 (en) * | 2003-12-12 | 2007-11-29 | Hill-Rom Services, Inc. | Seat Force Sensor |
| CN101034002A (en) * | 2007-02-01 | 2007-09-12 | 上海交通大学 | Automobile dynamically weighing sensing device |
| CN101672689A (en) * | 2008-09-12 | 2010-03-17 | 宁波柯力电气制造有限公司 | Weighing system and weighing method thereof |
| CN101953740A (en) * | 2010-09-18 | 2011-01-26 | 浙江海圣医疗器械有限公司 | Weighing module system for medical monitoring bed |
| CN205198317U (en) * | 2015-08-28 | 2016-05-04 | 深圳市中医院 | Patient's bed with function of weighing |
| CN108472187A (en) * | 2016-12-20 | 2018-08-31 | 测量用具有限公司 | Scale system and method |
| CN109363847A (en) * | 2018-10-30 | 2019-02-22 | 厚福医疗装备有限公司 | The hospital bed that can be weighed |
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Application publication date: 20190802 |
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| RJ01 | Rejection of invention patent application after publication |