CN1893862A - Air mattress with pressure control system - Google Patents

Air mattress with pressure control system Download PDF

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Publication number
CN1893862A
CN1893862A CN200480037804.3A CN200480037804A CN1893862A CN 1893862 A CN1893862 A CN 1893862A CN 200480037804 A CN200480037804 A CN 200480037804A CN 1893862 A CN1893862 A CN 1893862A
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CN
China
Prior art keywords
air chamber
air
require
aforesaid right
control module
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Granted
Application number
CN200480037804.3A
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Chinese (zh)
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CN100566634C (en
Inventor
乔瓦尼·贝雷塔
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Individual
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Individual
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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
    • A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • A47C27/14—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays
    • A47C27/18—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays in combination with inflatable bodies
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • A47C27/08—Fluid mattresses or cushions
    • A47C27/081—Fluid mattresses or cushions of pneumatic type
    • A47C27/082—Fluid mattresses or cushions of pneumatic type with non-manual inflation, e.g. with electric pumps
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • A47C27/08—Fluid mattresses or cushions
    • A47C27/081—Fluid mattresses or cushions of pneumatic type
    • A47C27/083—Fluid mattresses or cushions of pneumatic type with pressure control, e.g. with pressure sensors
    • 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
    • A47C31/008—Use of remote controls
    • 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
    • A61G7/057—Arrangements for preventing bed-sores or for supporting patients with burns, e.g. mattresses specially adapted therefor
    • A61G7/05769—Arrangements for preventing bed-sores or for supporting patients with burns, e.g. mattresses specially adapted therefor with inflatable chambers
    • A61G7/05776—Arrangements for preventing bed-sores or for supporting patients with burns, e.g. mattresses specially adapted therefor with inflatable chambers with at least two groups of alternately inflated chambers
    • 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
    • A61G2203/00—General characteristics of devices
    • A61G2203/10—General characteristics of devices characterised by specific control means, e.g. for adjustment or steering
    • A61G2203/12—Remote controls
    • 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
    • A61G2203/00—General characteristics of devices
    • A61G2203/30—General characteristics of devices characterised by sensor means
    • A61G2203/34—General characteristics of devices characterised by sensor means for pressure

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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)
  • Mattresses And Other Support Structures For Chairs And Beds (AREA)
  • Invalid Beds And Related Equipment (AREA)
  • Massaging Devices (AREA)

Abstract

Mattress comprising an external cover (1) in which a padding (2) including one or more air chambers (3), which can be inflated for supporting the body of at least one user and are connected by means of air inlets (4) to an electric compressor (12) for sucking air from the outside and pump it into one or more groups (A, B, C, D) of air chambers (3), is arranged, said inlets (4) being provided with electric valves (14) connected to a control unit (15) which is in turn connected to an automatic switch (18) arranged along an electric line between the compressor (12) and an electric power source (19), wherein the control unit (15) opens or closes the electric valves (14) and/or the automatic switch (18) according to the control signals coming from one or more pressure sensors (20) which measure the pressure in the air chambers (3).

Description

Air cushion with control pressurer system
Technical field
The present invention relates to a kind of mat, especially relate to the mat that supporting can be used manually or automated manner is regulated of user's health therein.
Background technology
Some known mat comprises outer cover, in described outer cover bedding and padding is set, and bedding and padding comprise one or more air chambers that are suitable for inflating, and are used to support at least one user's health.Yet, these air chamber pressure inside are fixed, perhaps as situation at the medical mat that is used to prevent bedsore, in adjacent air chamber, regularly change with pressure alternately, therefore the user can not directly get involved, so that according to the supporting member that need change mat with stable manner of his level of comfort.
U.S. Pat 5142717, US 2003/0221261 A1 and European patent EP 663169 disclose the mat that comprises air chamber, above-mentioned air chamber is connected on the motor compressor by air intake, this air intake is provided with a valve, and described valve opens and closes by control module according to the control signal from pressure sensor.Yet these air chambers are than broad or long, therefore support user's air pressure and can not accurately control and/or adaptive according to user's body weight, position on mat and motion.
Summary of the invention
Therefore, the purpose of this invention is to provide a kind of mat that does not have above-mentioned shortcoming.Above-mentioned purpose reaches with a kind of mat, and the principal character of described mat is open in claim 1, and further feature is open in claim subsequently.
Because motor compressor, motor-driven valve, pressure sensor and control module, so the user can regulate pressure in the mat with accurate and stable mode according to the present invention, described mat preferably has many group air chambers, pressure can be regulated with different modes in described many group air chambers, therefore each part that is used for health has improved user's level of comfort.
According to particularly advantageous aspect of the present invention, can obtain some groups of air chambers by the upper thin sheet made from deformable material, above-mentioned upper thin sheet is shaped in this wise and bonds on the lower thin sheet, so that the mode with simple and inexpensive not only obtains a plurality of honeycombs (alveoli) that are used for air chamber, but also obtain in every group of air chamber, interconnecting the pipeline of these honeycombs.
According to another particularly advantageous aspect of the present invention, control module has a digital storage, and can communicate by letter with a remote control, so that the body weight according to the user automatically adapts to the pressure in every group of air chamber and/or changes above-mentioned pressure, be used for further improving same user's level of comfort.
Description of drawings
From following detailed and nonrestrictive explanation about embodiments of the invention, will become apparent concerning those skilled in the art according to other advantages and the feature of mat of the present invention, wherein:
-Fig. 1 illustrates the vertical view cutaway drawing according to mat of the present invention;
-Fig. 2 illustrates along the amplification view of the planar I I-II of Fig. 1; With
-Fig. 3 illustrates the system diagram of the mat of Fig. 1.
The specific embodiment
Referring to Fig. 1, comprise outer cover 1 in a known way according to mat of the present invention as can be seen, in described outer cover 1, bedding and padding 2 are set, described bedding and padding 2 comprise one or more air chambers that are suitable for inflating 3, are used to support at least one user's health.In the present embodiment, bedding and padding 2 have substantially parallel hexahedral shape, and the shape of described parallelepiped has four sidewalls and the substrate made from polyurethane foam plastics.Air chamber 3 has substantially parallel hexahedral shape, and the row and column along a plurality of levels is arranged in the bedding and padding 2 between the sidewall 3 of mat and above the substrate of mat, so that form at least one uniform keriotheca.For example, the present embodiment mat is single and has standard size, comprises the air chamber 3 of 16 rows * 40 row, and the air chamber 3 of described 16 rows * 40 row is divided into four groups of air chambers 3 again, and every group of air chamber 3 all interconnects.This four groups of air chambers 3 with respectively with user's header area A, waist area B, sacral region C is corresponding with leg zone D, any other district of the depth ratio of leg zone D A wherein, the degree of depth of B or C is all big, is twice especially basically.For example respectively distinguish A, B and C and comprise 8 row air chambers 3, and district D comprises 16 row air chambers 3.
According to the present invention, each air chamber 3 connects by air intake 4, and is connected on the electric controller 5, and described electric controller 5 is suitable for controlling and changes air pressure in the air chamber 3, and be installed in bedding and padding 2 for example in its sidewall in the formed space, so that can be outside approaching.
Also referring to Fig. 2, as can be seen air chamber 3 preferably by with deformable material for example the upper thin sheet 6 made of Heveatex or neoprene, PVC (polyvinyl chloride) or polyurethane obtain, above-mentioned deformable material so is shaped, so that it is a plurality of honeycombs of parallelepiped shape basically that formation has, described a plurality of honeycomb is under shed, and interconnects by the strip made with the same material lower limb along them.Will be for example bonding in this wise along above-mentioned strip with the lower thin sheet 7 that upper thin sheet 6 identical materials are made with deformable material, so that air hermetic sealing honeycomb, and obtain air chamber 3.In each group of four groups of A, B, C and D air chamber, each air chamber 3 is communicated with one or more adjacent air chambers 3 by formed slit 8 between upper thin sheet 6 and lower thin sheet 7.Slit 8 is by preventing between two thin slices 6,7 along bonding the obtaining of a part of the strip of the lower limb that engages relevant honeycomb, for example have in the zone of strip of slit 8 by below upper thin sheet 6 and/or the band of non-jointing material is set above the lower thin sheet 7, perhaps preferably have section less than 1mm by the stria that between upper thin sheet internal shaping cellular phase, obtains in hope 2Stria obtain.
Even in order to guarantee that air chamber 3 also keeps minimum volume when exitting, reinforcement 9 also is set in air chamber 3, described reinforcement 9 has with the shape of the inside complementation of air chamber 3 with respect to the littler size in described air chamber 3 inside, and makes with deformable material such as polyurethane foam plastics.Flexible net 10 and thin plate 11 are set on air chamber 3, the net of above-mentioned flexibility is for example made with nylon, it is fitted on load on the surface of broad from top portion, the deformable material of above-mentioned thin plate 11 usefulness is for example made with the polyurethane foam plastics of sealing grid (cell), above-mentioned deformable material keeps one section official hour of shape of distortion, especially at least 10 seconds are so that improve user's level of comfort.
Referring to Fig. 3, control device 5 comprises a motor compressor 12 suitably as can be seen, and described motor compressor 12 can suck air by pipeline 13 from the outside, and 4 air pump is delivered in the air chamber 3 of one or more groups A, B, C and/or D by entering the mouth.Inlet 4 has a motor-driven valve 14 that is connected to electronic control unit 15, and this electronic control unit 15 for example has a microprocessor.This control module 15 is also connected on the motor-driven valve 16, described motor-driven valve 16 is provided with along outlet 17, described outlet 17 is connected each group A, B, C and D air chamber 3 with outside, and be connected to automatic switch 18 for example on relay or the transistor, above-mentioned automatic switch 18 is along compressor 12 and the especially electric wire setting between the battery pack of power supply 19.Motor-driven valve 14,16 normally cuts out, and automatic switch 18 is normally opened, so that saves energy during use.Control module 15 opens or closes motor-driven valve 14 or 16 and gauge tap 18 according to the control signal from a plurality of pressure sensors 20, above-mentioned a plurality of pressure sensor 20 is connected on the air chamber 3 of respectively organizing A, B, C or D, and preferably is arranged on and enters the mouth 4 and/or export on the 17 relative sides.Control module 15 is provided with or is connected with at least one digital storage 21, described digital storage 21 is suitable for storing some force value of respectively organizing A, B, C and D air chamber, and can for example communicate by letter with an external remote control device 22 by transceiver 23 or cable.Remote control 22 has display 24, LCD (LCD) for example, keyboard 25 and power switch 26, and have to its work essential, also belong to electric and/or electronic installation such as battery pack, connecting circuit and power circuit, the control module of known kind and/or be used for transmitter receiver with transmitter receiver 23 exchange control signals.
During use, control module 15 will compare with a series of force value that are stored in the digital storage 21 from the signal of pressure sensor 20.These values can be with the series of standards force value with corresponding by the predefined value of user.
Express TBW down, the example of the minimum and maximum standard value of representing with Pa in every group of A, B, C and the D of air chamber 3 according to the user.
User's body weight The A district The B district The C district The D district
15-40kg 14660-15330 17995-19330 16660-17995 15330-16660
40-50kg 14660-15990 17330-18670 16660-17995 15330-16660
50-60kg 14660-15990 16660-17995 16660-17995 15330-16660
60-70kg 15330-16660 15990-17330 15330-16660 15990-17330
70-80kg 15330-16660 15330-16660 14660-15990 15990-17330
80-90kg 15990-17330 15330-16660 13990-16660 15990-17330
90-100kg 15990-17330 14660-15990 13330-14660 15990-17330
100-110kg 16660-17330 12660-13990 12660-13990 16660-17995
110-120kg 16660-17330 11330-12660 12000-13330 16660-17995
120-130kg 17330-18670 9990-11330 11330-12660 17330-18670
130-140kg 17330-18670 9990-11330 10665-12000 17330-18670
140-150kg 17330-18670 9330-10665 9330-10665 14660-15990
Table 1: normal pressure value
Therefore, the weight of keyboard 25 inputs that the user can be by remote control 22 he self is so that control module 15 loads the corresponding a series of force value of a series of and above-mentioned weight from digital storage 21.These values do not have under user's the situation corresponding with the internal pressure of air chamber 3 on cushion, and can change according to the control signal that the keyboard 25 of user by remote control 22 sent, so that the user can increase or reduce the pressure in one or more groups air chamber 3 according to his needs.Under any circumstance, when not having power to be applied on the air chamber, that is when the user did not lie on a pad, standard setting and user's setting detected by pressure sensor 20, and is stored in the signal storage 21, so that obtain bigger accuracy of reading.
Therefore, control device 5 is by suitably opening or closing motor-driven valve 14 or 16 and/or automatic switch 18, play voltage-stablizer, be used at one or organize air chamber 3 more, according to the actual pressure that is detected by pressure sensor 20 and be stored in desired pressure value in the digital storage 21, it is constant for example in the 500Pa scope to keep-up pressure.All these force value can transmit in real time from control module 15, and show by the display 24 of remote control 22.

Claims (15)

1. mat, comprise outer cover (1), bedding and padding (2) are set in described outer cover (1), these bedding and padding (2) comprise one or more air chambers that are suitable for inflating (3), be used to support at least one user's health, wherein air chamber (3) is connected on the motor compressor (12) by air intake (4), be used for delivering to air chamber (3) from outside suction air and air pump, above-mentioned air intake (4) is provided with motor-driven valve (14), described motor-driven valve (14) is connected on the control module (15), and control module (15) is connected on the automatic switch (18), described automatic switch (18) is along the electric wire setting between compressor (12) and the power supply (19), wherein control module (15) opens or closes motor-driven valve (14) and/or automatic switch (18) according to the control signal from one or more pressure sensors (20), it is characterized in that, wherein air chamber (3) is divided into one or more groups (A, B, C, D) interconnective air chamber (3), pressure sensor (20) is measured one group of (A, B, C, D) pressure in one or more air chambers (3) of air chamber, described one or more air chambers (3) and the same group of (A that is connected on the inlet (4), B, C, D) air chamber in the air chamber (3) difference.
2. require described mat according to aforesaid right, it is characterized in that, the air chamber (3) of each group (A, B, C, D) is connected to the outside by outlet (17), and above-mentioned outlet (17) is provided with the motor-driven valve (16) that is connected on the control module (15).
3. require one of them described mat according to aforesaid right, it is characterized in that, said electric valve (14,16) is normally closed.
4. require one of them described mat according to aforesaid right, it is characterized in that, pressure sensor (20) is arranged on and enters the mouth (4) and/or export on (17) relative side.
5. require one of them described mat according to aforesaid right, it is characterized in that, bedding and padding (2) have substantially parallel hexahedral shape, and described shape has four sidewalls and the substrate made from polyurethane foam plastics.
6. require one of them described mat according to aforesaid right, it is characterized in that, air chamber (3) has substantially parallel hexahedral shape, and between each sidewall of bedding and padding (2) and above its substrate, row and column along a plurality of levels is arranged in the bedding and padding (2), so that form at least one uniform keriotheca.
7. require one of them described mat according to aforesaid right, it is characterized in that, air chamber (3) is divided into four groups of (A, B, C, D) air chambers (3), described air chamber (3) interconnects in every group, above-mentioned four groups of air chambers respectively with header area (A), waist area (B), sacral region (C) is corresponding with leg zone (D), the degree of depth of described leg zone (D) is greater than the degree of depth of any other district (A, B or C).
8. require one of them described mat according to aforesaid right, it is characterized in that, the upper thin sheet (6) that air chamber (3) is made by deformable material obtains, upper thin sheet (6) is shaped in this wise, so that form a plurality of honeycombs with substantially parallel hexahedral shape, described honeycomb is under shed, and the strip of making by same material along their lower limb interconnects, the lower thin sheet (7) that deformable material is made is bonding along above-mentioned strip, so that air hermetic is sealed honeycomb and is obtained air chamber (3).
9. according to the described mat of claim 8, it is characterized in that, air chamber (3) is communicated with one or more adjacent air chambers (3) by slit (8), above-mentioned slit (8) is by preventing that a part along the strip of the lower limb that engages relevant honeycomb is in the being bonded in formation between upper thin sheet (6) and the lower thin sheet (7) between two thin plates (6,7).
10. require one of them described mat according to aforesaid right, it is characterized in that, reinforcement (9) is set in air chamber (3), described reinforcement (9) has complementary shape and the size inner littler than air chamber (3), and makes with deformable material.
11. require one of them described mat according to aforesaid right, it is characterized in that, flexible net (10) is set on air chamber (3).
12. require one of them described mat, it is characterized in that the thin plate made from deformable material (11) is set, and described thin plate (11) is suitable for making the shape of distortion to keep the regular hour on air chamber (3) according to aforesaid right.
13. require one of them described mat according to aforesaid right, it is characterized in that control module (15) is provided with or connects at least one digital storage (21), described digital storage (21) is suitable for storing the force value in one or more air chambers (3).
14. according to the described mat of claim 13, it is characterized in that, digital storage (21), it is selected according to user's body weight to comprise that the force value of a plurality of series, described force value can be passed through control module (15).
15. require one of them described mat, it is characterized in that control module (15) can be communicated by letter with external remote control device (22), is used for changing the pressure of one or more air chambers (3) according to aforesaid right.
CN200480037804.3A 2003-12-19 2004-12-13 Air cushion with control pressurer system Expired - Fee Related CN100566634C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP03425813.7 2003-12-19
EP03425813A EP1543748B1 (en) 2003-12-19 2003-12-19 Air mattress with pressure control system

Publications (2)

Publication Number Publication Date
CN1893862A true CN1893862A (en) 2007-01-10
CN100566634C CN100566634C (en) 2009-12-09

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Country Status (9)

Country Link
US (1) US20070094806A1 (en)
EP (1) EP1543748B1 (en)
CN (1) CN100566634C (en)
AT (1) ATE324063T1 (en)
DE (1) DE60304877T2 (en)
ES (1) ES2261908T3 (en)
HK (1) HK1099672A1 (en)
SI (1) SI1543748T1 (en)
WO (1) WO2005058100A1 (en)

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EP1543748B1 (en) 2006-04-26
HK1099672A1 (en) 2007-08-24
SI1543748T1 (en) 2006-08-31
CN100566634C (en) 2009-12-09
US20070094806A1 (en) 2007-05-03
EP1543748A1 (en) 2005-06-22
DE60304877T2 (en) 2006-12-21

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