FR2865032A1 - Movable weighing platform for weighing e.g. medical bed, has three weight sensors, and structure coupled to each sensor by rod which traverses structure`s lower frame, installs wheel fixation screw, and traverses upper part of tubular frame - Google Patents

Movable weighing platform for weighing e.g. medical bed, has three weight sensors, and structure coupled to each sensor by rod which traverses structure`s lower frame, installs wheel fixation screw, and traverses upper part of tubular frame Download PDF

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Publication number
FR2865032A1
FR2865032A1 FR0400198A FR0400198A FR2865032A1 FR 2865032 A1 FR2865032 A1 FR 2865032A1 FR 0400198 A FR0400198 A FR 0400198A FR 0400198 A FR0400198 A FR 0400198A FR 2865032 A1 FR2865032 A1 FR 2865032A1
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France
Prior art keywords
frame
weighing
weight
sensors
wheels
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Granted
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FR0400198A
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French (fr)
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FR2865032B1 (en
Inventor
Jacques Fabre
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Balea SAS
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Balea SAS
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Publication of FR2865032B1 publication Critical patent/FR2865032B1/en
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
    • G01G19/44—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing persons
    • G01G19/445—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing persons in a horizontal position
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01G—WEIGHING
    • G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
    • G01G19/08—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for incorporation in vehicles
    • G01G19/083—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for incorporation in vehicles lift truck scale

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Invalid Beds And Related Equipment (AREA)

Abstract

The platform has a tubular frame (1A) coupled to three weight sensors (3), where the frame is fixed to wheels (6) of a structure to be weighed (2). The sensors are placed vertically to an axis (A) of the respective wheels, inside the frame. The structure is connected to each sensor by a rod (7) which traverses a lower frame (2A) of the structure, installs a wheel fixation screw, and traverses an upper part of the frame (1A). The sensors are connected to an electronic control unit that processes simultaneously the measurements from the sensors, and transmits the results of the measurements to a weight indicator.

Description

SOCLE PESEUR MOBILE DESCRIPTIONBASE WEIGHTER MOBILE DESCRIPTION

DOMAINE DE L'INVENTION L'invention concerne un socle peseur mobile destiné à peser une structure mobile, notamment un lit médical, du genre comportant un cadre tubulaire associé à au moins trois capteurs de poids reliés à un boîtier électronique apte à traiter simultanément les mesures provenant des capteurs, à effectuer automatiquement le réglage des angles et à transmettre le résultat des mesures à un indicateur de poids.  FIELD OF THE INVENTION The invention relates to a mobile weighing platform intended to weigh a mobile structure, in particular a medical bed, of the type comprising a tubular frame associated with at least three weight sensors connected to an electronic box able to simultaneously process the measurements. from the sensors, to automatically adjust the angles and to transmit the result of the measurements to a weight indicator.

ARRIERE PLAN TECHNOLOGIQUEBACKGROUND TECHNOLOGY

Les documents de base sur lesquels repose la présente invention sont: a) le brevet EP-0940659 du même déposant décrit un procédé et un dispositif de réglage des angles appliqué à des récepteurs de charge qui comporte au moins deux capteurs à jauges de contrainte et qui se caractérise essentiellement en ce que chaque capteur est associé à un moyen de visualisation indiquant, d'une part, la demande de dépose de la masse d'étalonnage sur la zone dudit capteur et, d'autre part, la prise en compte de la mesure par le boîtier électronique et en ce que chaque mesure d'angle est associée à un moyen d'actionnement pour la prise en compte de ladite mesure par ledit boîtier électronique; b) le brevet FR- 2790463 du même déposant décrit une fourche peseuse qui comporte au moins deux bras constitués, chacun, d'un élément horizontal apte à recevoir un récepteur de charge et d'un élément vertical apte à être relié au tablier d'un engin porteur et des capteurs de poids aptes à être intercalés entre chaque bras et le récepteur de charge qui lui est associé et qui se caractérise essentiellement en ce qu'elle comporte, au niveau de chaque bras, à l'avant, un capteur de poids du type à cisaillement travaillant à la compression et, à l'arrière, deux capteurs de poids du type à cisaillement travaillant à la traction.  The basic documents on which the present invention is based are: a) Patent EP-0940659 of the same applicant describes a method and an angle adjustment device applied to charge receivers which comprises at least two strain gage sensors and which is essentially characterized in that each sensor is associated with a display means indicating, on the one hand, the request for removal of the calibration mass on the area of said sensor and, on the other hand, the consideration of the measurement by the electronic unit and in that each angle measurement is associated with an actuating means for taking said measurement into account by said electronic box; b) the patent FR-2790463 of the same applicant describes a weighing fork which comprises at least two arms each consisting of a horizontal element adapted to receive a load receptor and a vertical element adapted to be connected to the apron of a carrier and weight sensors capable of being interposed between each arm and the load receptor associated with it and which is essentially characterized in that it comprises, at each arm, at the front, a sensor of weight of the shear type working on compression and, behind, two shear type weight sensors working on traction.

Même prises en combinaison, les caractéristiques contenues dans lesdits documents ne permettent pas de solutionner, de manière simple, pratique et efficace, le problème qui se pose dans les hôpitaux pour peser des personnes directement sur leur lit.  Even taken in combination, the features contained in said documents do not solve, in a simple, practical and effective way, the problem that arises in hospitals to weigh people directly on their bed.

Claims (1)

RESUME DE L'INVENTION L'invention vise donc à réaliser un socle peseur mobile qui répond avantageusement au problème du pesage d'une structure mobile, notamment un lit médical, et qui se caractérise essentiellement en ce qu'il comporte autant de capteurs de poids que de roues appartenant à la structure mobile à peser; en ce que chaque capteur de poids est placé, à la verticale de l'axe de chacune des roues de la structure à peser, à l'intérieur du cadre constitutif du socle peseur; en ce que la structure à peser est reliée à chaque capteur de poids au moyen d'une tige qui traverse, d'une part, le cadre inférieur constitutif de ladite structure au lieu et place des vis de fixation des roues qui ont été retirées et, d'autre part, la partie supérieure du cadre constitutif du socle peseur; et en ce que les roues sont fixées audit cadre. L'ensemble ainsi obtenu ne modifie en rien la structure à peser qui redevient mobile par le fait que les roues ont été transférées au niveau du socle peseur et que les trous de fixation des roues servent à la liaison de la structure à peser avec le socle peseur par l'intermédiaire desdits capteurs. Les caractéristiques et les avantages de l'invention vont apparaître plus clairement à la lecture de la description détaillée qui suit d'au moins un mode de réalisation préféré de celle-ci donné à titre d'exemple non limitatif et représenté aux dessins annexés. PRESENTATION DES FIGURES Sur ces dessins: - la figure 1 est une vue en élévation, en coupe longitudinale, de l'ensemble socle peseur mobile et structure mobile à peser selon l'invention; - la figure 2 est une vue de dessus du socle peseur mobile selon l'invention mettant en évidence la position des capteurs; - la figure 3 est une vue de détail, en coupe longitudinale, du montage d'un capteur au lieu et place de la roue correspondante. DESCRIPTION DETAILLEE DE L'INVENTION L'ensemble représenté aux figures comprend un socle peseur mobile (1) destiné à peser une structure mobile (2), notamment un lit médical, du genre comportant un cadre tubulaire(1A) associé à au moins trois capteurs de poids (3) reliés à un boîtier électronique (4) apte à traiter simultanément les mesures provenant des capteurs, à effectuer automatiquement le réglage des angles et à transmettre (sortie numérique) le résultat des mesures à un indicateur de poids (5). Ledit indicateur de poids comporte, outre les modules d'affichage du poids, des voyants visualisant les capteurs et un bouton d'actionnement de la prise en compte des mesures. Le socle comporte autant de capteurs de poids (3) que de roues (6) appartenant à la structure mobile à peser (2). Chaque capteur de poids (3) est placé, à la verticale de l'axe (A) de chacune des roues (6) de ladite structure à peser (2), à l'intérieur du cadre (1A) constitutif du socle peseur (1). Ladite structure à peser (2) est reliée à chaque capteur de poids (3) au moyen d'une tige (7) qui traverse, d'une part, le cadre inférieur (2A) constitutif de ladite structure (2) au lieu et place des vis de fixation des roues (6) qui ont été retirées et, d'autre part, la partie supérieure du cadre (1A) constitutif du socle peseur (1). Les roues (6) sont fixées audit cadre (1A). Les capteurs de poids (3) sont fixés sur le fond intérieur du cadre (1A) par l'intermédiaire de cales (8) et au moyen de vis (9). Les tiges de liaison (7) de la structure à peser (2) aux capteurs de poids (3) sont associées, entre leur tête (7A) et leur extrémité filetée (7B), à une paire (10) de rondelles convexe et concave placée sur le cadre inférieur (2A) de la structure à peser (2) et, entre le dessous dudit cadre inférieur (2A) et le dessus du cadre (1A) du socle peseur, une rondelle en téflon (11) encadrée par deux rondelles en métal (12) et une rondelle convexe (13) reposant dans un logement adapté appartenant au capteur de poids (3). Des cales de renfort (14), placées sous le cadre (1A) du socle peseur, sont traversées, chacune, par les vis (9) de fixation du capteur de poids correspondant et la vis (15) de fixation de la roue (6) correspondante. Les câbles électriques reliant les capteurs de poids (3) au boîtier électronique (4) passent à l'intérieur du cadre (1A) du socle peseur (1). L'ensemble comporte également une alimentation électrique 230V/12VCC ou une batterie rechargeable. Bien entendu, l'invention n'est pas limitée aux modes de réalisation décrits et représentés pour lesquels on pourra prévoir d'autres variantes, en particulier dans: - les types et le nombre de capteurs utilisés; - le type de fixation de la structure mobile au socle peseur; et l'étendre à d'autres applications comme par exemple des tables ou des fauteuils roulants.SUMMARY OF THE INVENTION The object of the invention is thus to provide a mobile weighing base which advantageously responds to the problem of weighing a mobile structure, in particular a medical bed, and which is essentially characterized in that it comprises as many weight sensors. only wheels belonging to the mobile structure to be weighed; in that each weight sensor is placed, vertically to the axis of each of the wheels of the structure to be weighed, inside the frame constituting the weighing base; in that the structure to be weighed is connected to each weight sensor by means of a rod which passes, on the one hand, the lower frame constituting said structure instead of the fixing screws of the wheels which have been removed and on the other hand, the upper part of the frame constituting the weighing base; and in that the wheels are fixed to said frame. The assembly thus obtained does not alter the weighing structure that becomes mobile again by the fact that the wheels have been transferred to the level of the weighing base and that the fixing holes of the wheels are used to connect the structure to be weighed with the base weigher via said sensors. The features and advantages of the invention will appear more clearly on reading the detailed description which follows of at least one preferred embodiment thereof given by way of non-limiting example and shown in the accompanying drawings. PRESENTATION OF THE FIGURES In these drawings: - Figure 1 is an elevational view, in longitudinal section, of the mobile weighing base assembly and mobile structure to be weighed according to the invention; - Figure 2 is a top view of the mobile weighing base according to the invention highlighting the position of the sensors; - Figure 3 is a detail view, in longitudinal section, mounting a sensor instead of the corresponding wheel. DETAILED DESCRIPTION OF THE INVENTION The assembly represented in the figures comprises a mobile weighing base (1) intended to weigh a mobile structure (2), in particular a medical bed, of the type comprising a tubular frame (1A) associated with at least three sensors of weight (3) connected to an electronic box (4) able to simultaneously process the measurements from the sensors, to automatically adjust the angles and to transmit (digital output) the result of the measurements to a weight indicator (5). Said weight indicator comprises, in addition to the weight display modules, LEDs displaying the sensors and an actuation button for taking measurements into account. The base comprises as many weight sensors (3) as wheels (6) belonging to the mobile structure to be weighed (2). Each weight sensor (3) is placed, vertically to the axis (A) of each of the wheels (6) of said weighing structure (2), inside the frame (1A) constituting the weighing base ( 1). Said structure to be weighed (2) is connected to each weight sensor (3) by means of a rod (7) which passes, on the one hand, the lower frame (2A) constituting said structure (2) instead of and place screws fixing the wheels (6) which have been removed and, secondly, the upper part of the frame (1A) constituting the weighing base (1). The wheels (6) are fixed to said frame (1A). The weight sensors (3) are fixed on the inside bottom of the frame (1A) by shims (8) and by means of screws (9). The connecting rods (7) of the structure to be weighed (2) to the weight sensors (3) are associated, between their head (7A) and their threaded end (7B), with a pair (10) of convex and concave washers. placed on the lower frame (2A) of the structure to be weighed (2) and, between the underside of said lower frame (2A) and the top of the frame (1A) of the weighing base, a Teflon washer (11) flanked by two washers metal (12) and a convex washer (13) resting in a suitable housing belonging to the weight sensor (3). Reinforcing wedges (14), placed under the frame (1A) of the weighing base, are each traversed by the screws (9) for fixing the corresponding weight sensor and the screw (15) for fixing the wheel (6). ) corresponding. The electrical cables connecting the weight sensors (3) to the electronic box (4) pass inside the frame (1A) of the weighing base (1). The set also includes a 230V / 12VDC power supply or a rechargeable battery. Of course, the invention is not limited to the embodiments described and shown for which other variants may be provided, in particular in: the types and the number of sensors used; - the type of attachment of the mobile structure to the weighing base; and extend it to other applications such as tables or wheelchairs. 4 REVENDICATIONS4 CLAIMS 1- Socle peseur mobile (1) destiné à peser une structure mobile (2), notamment un lit médical, du genre comportant un cadre tubulaire(1A) associé à au moins trois capteurs de poids (3) reliés à un boîtier électronique (4) apte à traiter simultanément les mesures provenant des capteurs, à effectuer automatiquement le réglage des angles et à transmettre le résultat des mesures à un indicateur de poids (5) ; caractérisé en ce qu'il comporte autant de capteurs de poids (3) que de roues (6) appartenant à la structure mobile à peser (2) ; en ce que chaque capteur de poids (3) est placé, à la verticale de l'axe (A) de 10 chacune des roues (6) de ladite structure à peser (2), à l'intérieur du cadre (1A) constitutif du socle peseur (1) ; en ce que ladite structure à peser (2) est reliée à chaque capteur de poids (3) au moyen d'une tige (7) qui traverse, d'une part, le cadre inférieur (2A) constitutif de ladite structure (2) au lieu et place des vis de fixation des roues (6) qui ont été retirées et, d'autre part, la partie supérieure du cadre (1A) constitutif du socle peseur(1); et en ce que les roues (6) sont fixées audit cadre (1A).  A mobile weighing platform (1) for weighing a mobile structure (2), in particular a medical bed, of the type comprising a tubular frame (1A) associated with at least three weight sensors (3) connected to an electronic box (4). ) capable of simultaneously processing the measurements from the sensors, automatically adjusting the angles and transmitting the result of the measurements to a weight indicator (5); characterized in that it comprises as many weight sensors (3) as wheels (6) belonging to the mobile structure to be weighed (2); in that each weight sensor (3) is placed, vertically to the axis (A) of each of the wheels (6) of said weighing structure (2), within the constituent frame (1A) the weighing base (1); in that said weighing structure (2) is connected to each weight sensor (3) by means of a rod (7) passing through, on the one hand, the lower frame (2A) constituting said structure (2) instead of the fixing screws of the wheels (6) which have been removed and, on the other hand, the upper part of the frame (1A) constituting the weighing base (1); and in that the wheels (6) are fixed to said frame (1A). 2- Socle peseur, selon la revendication 1, caractérisé en ce que les capteurs de poids (3) sont fixés sur le fond intérieur du cadre (1A) par l'intermédiaire de 20 cales (8) et au moyen de vis (9).  2- weighing base, according to claim 1, characterized in that the weight sensors (3) are fixed on the inner bottom of the frame (1A) by means of shims (8) and by means of screws (9). . 3- Socle peseur, selon la revendication 1 ou la revendication 2, caractérisé en ce que les tiges de liaison (7) de la structure à peser (2) aux capteurs de poids (3) sont associées, entre leur tête (7A) et leur extrémité filetée (7B), à une paire (10) de rondelles convexe et concave placée sur le cadre inférieur (2A) de la structure à peser (2) et, entre le dessous dudit cadre inférieur (2A) et le dessus du cadre (1A) du socle peseur, une rondelle en téflon (11) encadrée par deux rondelles en métal (12) et une rondelle convexe (13) reposant dans un logement adapté appartenant au capteur de poids (3).  3- weighing base according to claim 1 or claim 2, characterized in that the connecting rods (7) of the structure to be weighed (2) to the weight sensors (3) are associated, between their head (7A) and their threaded end (7B), to a pair (10) of convex and concave washers placed on the lower frame (2A) of the structure to be weighed (2) and, between the underside of said lower frame (2A) and the top of the frame (1A) of the weighing base, a Teflon washer (11) framed by two metal washers (12) and a convex washer (13) resting in a suitable housing belonging to the weight sensor (3). 4- Socle peseur, selon la revendication 3, caractérisé en ce que des cales de 30 renfort (14), placées sous le cadre (1A) du socle peseur, sont traversées, chacune, par les vis (9) de fixation du capteur de poids correspondant et la vis (15) de fixation de la roue (6) correspondante.  4- weighing base, according to claim 3, characterized in that reinforcing shims (14), placed under the frame (1A) of the weighing base, are each traversed by the screws (9) for fixing the sensor. corresponding weight and the screw (15) for fixing the corresponding wheel (6). 5- Socle peseur, selon la revendication 1, caractérisé en ce que les câbles électriques reliant les capteurs de poids (3) au boîtier électronique (4) passent à 35 l'intérieur du cadre (1A) du socle peseur (1).  5- weighing base, according to claim 1, characterized in that the electrical cables connecting the weight sensors (3) to the electronic housing (4) pass inside the frame (1A) of the weighing base (1).
FR0400198A 2004-01-08 2004-01-08 MOBILE WEIGHING BASE Expired - Fee Related FR2865032B1 (en)

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FR2865032B1 FR2865032B1 (en) 2006-09-29

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT502921B1 (en) * 2005-10-21 2012-01-15 Falko Dr Skrabal DEVICE FOR MEASURING HEART AND VESSEL FUNCTION (FUNCTION) AND BODY SPACES (SPACES) BY MEANS OF IMPEDANCE MEASUREMENT
CZ303785B6 (en) * 2006-10-02 2013-05-02 Linet Spol. S. R. O. Weighing device, weighing device calibration method and method of determining weight by making use of such device
US10206630B2 (en) 2015-08-28 2019-02-19 Foresite Healthcare, Llc Systems for automatic assessment of fall risk
US11013415B2 (en) 2011-08-31 2021-05-25 The Curators Of The University Of Missouri Hydraulic bed sensor and system for non-invasive monitoring of physiological data
US11147451B2 (en) 2009-06-01 2021-10-19 The Curators Of The University Of Missouri Integrated sensor network methods and systems
US11276181B2 (en) 2016-06-28 2022-03-15 Foresite Healthcare, Llc Systems and methods for use in detecting falls utilizing thermal sensing
US11864926B2 (en) 2015-08-28 2024-01-09 Foresite Healthcare, Llc Systems and methods for detecting attempted bed exit

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4899840A (en) * 1989-06-22 1990-02-13 Boubille Jacques C Apparatus for weighing a pallet with a load thereon for use with a vehicle having tines or the like
DE4029925A1 (en) * 1990-09-21 1992-03-26 Foerdertechnik Bruss Kg Measuring arrangement for forklift truck - has diabolo coupling fixed between measurement pick=up and U=shaped shoe for expansion measuring strips
EP0655612A1 (en) * 1993-11-30 1995-05-31 Cech Corporation Lift truck weighing apparatus
DE19632161A1 (en) * 1996-08-09 1998-02-12 Franz Kahl Gmbh Gabelhubwagen Permanent weighing system for load of forklift truck

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4899840A (en) * 1989-06-22 1990-02-13 Boubille Jacques C Apparatus for weighing a pallet with a load thereon for use with a vehicle having tines or the like
DE4029925A1 (en) * 1990-09-21 1992-03-26 Foerdertechnik Bruss Kg Measuring arrangement for forklift truck - has diabolo coupling fixed between measurement pick=up and U=shaped shoe for expansion measuring strips
EP0655612A1 (en) * 1993-11-30 1995-05-31 Cech Corporation Lift truck weighing apparatus
DE19632161A1 (en) * 1996-08-09 1998-02-12 Franz Kahl Gmbh Gabelhubwagen Permanent weighing system for load of forklift truck

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT502921B1 (en) * 2005-10-21 2012-01-15 Falko Dr Skrabal DEVICE FOR MEASURING HEART AND VESSEL FUNCTION (FUNCTION) AND BODY SPACES (SPACES) BY MEANS OF IMPEDANCE MEASUREMENT
CZ303785B6 (en) * 2006-10-02 2013-05-02 Linet Spol. S. R. O. Weighing device, weighing device calibration method and method of determining weight by making use of such device
US11147451B2 (en) 2009-06-01 2021-10-19 The Curators Of The University Of Missouri Integrated sensor network methods and systems
US11013415B2 (en) 2011-08-31 2021-05-25 The Curators Of The University Of Missouri Hydraulic bed sensor and system for non-invasive monitoring of physiological data
US10206630B2 (en) 2015-08-28 2019-02-19 Foresite Healthcare, Llc Systems for automatic assessment of fall risk
US10835186B2 (en) 2015-08-28 2020-11-17 Foresite Healthcare, Llc Systems for automatic assessment of fall risk
US11819344B2 (en) 2015-08-28 2023-11-21 Foresite Healthcare, Llc Systems for automatic assessment of fall risk
US11864926B2 (en) 2015-08-28 2024-01-09 Foresite Healthcare, Llc Systems and methods for detecting attempted bed exit
US11276181B2 (en) 2016-06-28 2022-03-15 Foresite Healthcare, Llc Systems and methods for use in detecting falls utilizing thermal sensing

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