ES2661542B1 - Support at three heights for equipment for measuring environmental parameters - Google Patents
Support at three heights for equipment for measuring environmental parameters Download PDFInfo
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- ES2661542B1 ES2661542B1 ES201600846A ES201600846A ES2661542B1 ES 2661542 B1 ES2661542 B1 ES 2661542B1 ES 201600846 A ES201600846 A ES 201600846A ES 201600846 A ES201600846 A ES 201600846A ES 2661542 B1 ES2661542 B1 ES 2661542B1
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- pinion
- support
- rack
- mast
- bar
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- 230000007613 environmental effect Effects 0.000 title claims description 12
- 238000006073 displacement reaction Methods 0.000 claims 1
- 238000005259 measurement Methods 0.000 description 10
- 210000001015 abdomen Anatomy 0.000 description 3
- 210000003423 ankle Anatomy 0.000 description 3
- 230000035807 sensation Effects 0.000 description 3
- 230000036642 wellbeing Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 210000003128 head Anatomy 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/42—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters with arrangement for propelling the support stands on wheels
- F16M11/425—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters with arrangement for propelling the support stands on wheels along guiding means
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
Description
DESCRIPCIÓNDESCRIPTION
SOPORTE A TRES ALTURAS PARA EQUIPOS DE MEDIDA DE PARÁMETROS SUPPORT AT THREE HEIGHTS FOR PARAMETER MEASUREMENT EQUIPMENT
AMBIENTALESENVIRONMENTS
SECTOR DE LA TÉCNICASECTOR OF THE TECHNIQUE
La presente invención se enmarca de manera general en el sector de equipos y sistemas de medición. Específicamente, la presente invención está orientada al campo de la medición de parámetros ambientales. Concretamente aquellos parámetros que influyen en la ergonomía de los ambientes térmicos.The present invention is generally framed in the field of equipment and measurement systems. Specifically, the present invention is oriented to the field of measurement of environmental parameters. Specifically those parameters that influence the ergonomics of thermal environments.
ANTECEDENTES DE LA INVENCIÓNBACKGROUND OF THE INVENTION
La sensación térmica que experimenta un ser humano está relacionada, principalmente, con el equilibrio térmico global de su cuerpo, el cual depende, entre otros factores, de los parámetros ambientales: temperatura del aire, temperatura radiante media, humedad del aire y velocidad del aire. La sensación térmica global del cuerpo en un determinado ambiente puede ser estimada a partir de la medición de estos parámetros.The thermal sensation experienced by a human being is related, mainly, to the overall thermal balance of your body, which depends, among other factors, on the environmental parameters: air temperature, average radiant temperature, air humidity and air speed . The overall thermal sensation of the body in a given environment can be estimated from the measurement of these parameters.
Existen diversos trabajos y normas internacionales que presentan métodos para la predicción de la sensación térmica y del grado de incomodidad (insatisfacción térmica) de las personas expuestas a ambientes térmicos. La ISO 7730:2005 trata la ergonomía del ambiente térmico y describe el cálculo de los índices PMV (voto medio estimado) y PPD (porcentaje estimado de insatisfechos) y de los criterios de bienestar térmico local, para la evaluación del bienestar térmico1.There are several works and international standards that present methods for the prediction of thermal sensation and the degree of discomfort (thermal dissatisfaction) of people exposed to thermal environments. ISO 7730: 2005 deals with the ergonomics of the thermal environment and describes the calculation of PMV (estimated average vote) and PPD (estimated percentage of unsatisfied) indices and local thermal well-being criteria for the assessment of thermal well-being1.
El índice PMV toma como datos de entrada la temperatura del aire la temperatura radiante media y la velocidad relativa del aire entre otros parámetros. La temperatura radiante media es la temperatura uniforme de un recinto imaginario en el que la transferencia de calor radiante desde el cuerpo humano es igual a laThe PMV index takes as input data the air temperature, the average radiant temperature and the relative air speed among other parameters. The average radiant temperature is the uniform temperature of an imaginary enclosure in which the radiant heat transfer from the human body is equal to the
1 ISO 7730:2005 - Ergonomía del ambiente térmico. Determinación analítica e interpretación del bienestar térmico mediante el cálculo de los índices PMV y PPD y los criterios de bienestar térmico local. 1 ISO 7730: 2005 - Ergonomics of the thermal environment. Analytical determination and interpretation of thermal well-being by calculating PMV and PPD indices and local thermal comfort criteria.
efectuada en un recinto real no uniforme; pudiendo ser obtenida a partir de la temperatura de globo y la temperatura del aire. El índice PPD se obtiene a partir del valor del PMV.effected in a real non-uniform enclosure; It can be obtained from the balloon temperature and the air temperature. The PPD index is obtained from the value of the PMV.
Los criterios de bienestar térmico local tienen en consideración la incomodidad térmica causada por el calentamiento o enfriamiento local ¡ndeseado del cuerpo. La ISO 7730 recoge como factores de incomodidad local más comunes la asimetría de la temperatura radiante, las corrientes de aire, la diferencia en vertical de la temperatura del aire y la presencia de suelos fríos o calientes.The local thermal comfort criteria take into consideration the thermal discomfort caused by the local heating or cooling of the body. ISO 7730 lists as common local discomfort factors the asymmetry of the radiant temperature, the air currents, the vertical difference in air temperature and the presence of cold or hot floors.
**
Las características mínimas de los instrumentos de medida de las magnitudes físicas que definen un ambiente (temperatura del aire, temperatura radiante media, humedad del aire, velocidad del aire y temperatura superficial) y la metodología a llevar a cabo en la toma de estas medidas se especifica en la norma internacional ISO 7726:1998 2. En dicha norma, se hace además distinción entre ambientes "homogéneos" y "heterogéneos". Indicando que en ambientes heterogéneos las magnitudes físicas deben medirse en diferentes situaciones alrededor del sujeto y más concretamente a tres alturas: a nivel de cabeza, a nivel de abdomen y a nivel de tobillo; diferenciando además si el sujeto se encuentra en posición sentada o de pie. Es necesario tener en cuenta que la altura de la cabeza, abdomen y tobillo puede variar según los valores antropométricos de las distintas poblaciones de individuos, por lo que un dispositivo de medición destinado a tomar medidas en estos tres niveles debería poder ajustar la posición en altura de los instrumentos de medida que incorpore.The minimum characteristics of the instruments of measurement of the physical magnitudes that define an environment (air temperature, average radiant temperature, air humidity, air speed and surface temperature) and the methodology to be carried out in the taking of these measures are it is specified in the international standard ISO 7726: 1998 2. In said standard, distinction is also made between "homogeneous" and "heterogeneous" environments. Indicating that in heterogeneous environments the physical magnitudes should be measured in different situations around the subject and more specifically at three heights: at the level of the head, at the level of the abdomen and at the level of the ankle; also differentiating whether the subject is in a sitting or standing position. It is necessary to take into account that the height of the head, abdomen and ankle can vary according to the anthropometric values of the different populations of individuals, so a measurement device designed to take measurements in these three levels should be able to adjust the position in height of the measuring instruments that it incorporates.
La presente invención se plantea como una solución a la toma de medidas ambientales a tres alturas cumpliendo con los requisitos de la norma ISO 7726:1998.The present invention is proposed as a solution to the taking of environmental measures at three heights complying with the requirements of ISO 7726: 1998.
2 ISO 7730:2005 - Ergonomía del ambiente térmico. Determinación analítica e interpretación del bienestar térmico mediante el cálculo de los índices PMV y PPD y los criterios de bienestar térmico local. 2 ISO 7730: 2005 - Ergonomics of the thermal environment. Analytical determination and interpretation of thermal well-being by calculating PMV and PPD indices and local thermal comfort criteria.
EXPLICACIÓN DE LA INVENCIÓNEXPLANATION OF THE INVENTION
La invención objeto de la presente memoria se refiere a un soporte para equipos de medida de parámetros ambientales, de entre aquellos que permiten la toma de medidas a tres alturas.The invention object of the present memory refers to a support for equipment for measuring environmental parameters, among those that allow measurements to be taken at three heights.
Caracteriza esta invención un especial sistema que permite la instalación de un número variable de instrumentos de medida o sensores y ajustar la altura de los mismos respecto del suelo. De esta forma, la principal novedad de la presente invención es que sobre un mismo soporte se pueden instalar sensores a tres alturas distintas, donde la cota respecto al suelo de cada grupo de sensores es ajustable y puede ser tal que un primer grupo esté a nivel de tobillo de una persona, un segundo grupo a nivel de abdomen y un tercer grupo de sensores a nivel de cabeza, siendo estos tres niveles de altura distintos en función de las características antropométricas de cada población de individuos.This invention characterizes a special system that allows the installation of a variable number of measuring instruments or sensors and adjust the height thereof with respect to the ground. In this way, the main novelty of the present invention is that on the same support sensors can be installed at three different heights, where the level with respect to the floor of each group of sensors is adjustable and can be such that a first group is at a level of an individual's ankle, a second group at the level of the abdomen and a third group of sensors at the head level, these three height levels being different depending on the anthropometric characteristics of each population of individuals.
El soporte objeto de la presente invención consta de un mástil sobre el cual puede desplazarse verticalmente una barra-soporte colocada en posición horizontal a modo de cruz. Esta barra-soporte se encuentra interrumpida en su parte central por el armazón de un mecanismo de piñón-cremallera que permite el desplazamiento vertical de la misma a lo largo del mástil. En el interior del armazón se encuentra alojado un piñón, el cual gira accionado mediante una llave apropiada que se acopla a uno de los extremos del eje del piñón. La cremallera del mencionado mecanismo es solidaria al mástil y está dispuesta a lo largo de toda su longitud. De esta manera, al hacer girar el piñón, éste engrana sobre la cremallera desplazándose verticalmente la barra-soporte. Para fijar la posición de esta barra-soporte y evitar la caída debida a su propio peso, el armazón dispone de un gatillo cuyo extremo hace tope con uno de los dientes del piñón, evitando así el giro ¡ndeseado del mismo. The support object of the present invention consists of a mast on which a support bar placed in a horizontal position can be moved vertically as a cross. This bar-support is interrupted in its central part by the frame of a pinion-rack mechanism that allows the vertical movement of the same along the mast. A pinion is housed inside the frame, which is rotated by means of an appropriate key that engages one of the ends of the pinion shaft. The rack of said mechanism is integral with the mast and is arranged along its entire length. In this way, when turning the pinion, it meshes on the rack moving the support bar vertically. To fix the position of this bar-support and avoid falling due to its own weight, the frame has a trigger whose end abuts one of the teeth of the pinion, thus avoiding the unsuitable rotation of the same.
La función de la barra-soporte es posicionar y sustentar los diversos instrumentos de medida que permitirán la toma de medidas de los parámetros ambientales. La barra-soporte presenta en toda su longitud una serie de agujeros, a modo de alojamientos, para la ubicación de los distintos instrumentos de medida. Entre otros instrumentos de medida, pueden ser instalados sensores de: temperatura del aire, temperatura de globo, humedad relativa, velocidad del viento y rayos ultravioleta.The function of the support bar is to position and sustain the various measuring instruments that will allow the measurement of environmental parameters. The bar-support presents in all its length a series of holes, as accommodation, for the location of the different measuring instruments. Among other measuring instruments, sensors can be installed: air temperature, balloon temperature, relative humidity, wind speed and ultraviolet rays.
Un número de tres barras-soporte idénticas son instaladas sobre el mástil a distintas alturas, de manera que cada grupo de sensores de una misma barrasoporte tomarán datos ambientales a una misma cota sobre el nivel del suelo.A number of three identical support bars are installed on the mast at different heights, so that each group of sensors of the same support will take environmental data at the same level above the ground level.
El presente invento está orientado preferiblemente a su uso en recintos interiores para la medida de los parámetros ambientales que influyen en la ergonomía de los ambientes térmicos, pero igualmente tiene aplicación en otros campos en los que sea necesaria la toma de medidas ambientales a distintas alturas.The present invention is preferably oriented to its use in indoor enclosures for the measurement of environmental parameters that influence the ergonomics of thermal environments, but also has application in other fields where it is necessary to take environmental measures at different heights.
BREVE DESCRIPCIÓN DE LAS FIGURASBRIEF DESCRIPTION OF THE FIGURES
La presente invención se entenderá mejor con referencia a los siguientes dibujos que ilustran realizaciones preferidas de la invención, proporcionadas a modo de ejemplo, y que no deben interpretarse como limitativas de la invención de ninguna manera.The present invention will be better understood with reference to the following drawings which illustrate preferred embodiments of the invention, provided by way of example, and which are not to be construed as limiting the invention in any way.
La figura 1 muestra una vista en perspectiva del modo de realización preferente del soporte a tres alturas para equipos de medida de parámetros ambientales; La figura 2 muestra un detalle del mecanismo piñón-cremallera.Figure 1 shows a perspective view of the preferred embodiment of the support at three heights for equipment for measuring environmental parameters; Figure 2 shows a detail of the pinion-rack mechanism.
REALIZACIÓN PREFERENTE DE LA INVENCIÓNPREFERRED EMBODIMENT OF THE INVENTION
A la vista de lo anteriormente enunciado, la presente invención se refiere a un soporte para equipos de medida de parámetros ambientales de entre aquellos que permiten la colocación de equipos de medida en tres alturas y ajustar dichas posiciones en altura. Está esencialmente caracterizado por incorporar un mástil (1) y tres barras-soporte (2) iguales. Ei mástil (7) está fijado al suelo y colocado en posición vertical. La barra-soporte (2) ubicada en posición horizontal y perpendicular al mástil (1) puede desplazarse verticalmente a lo largo éste por medio de un mecanismo de piñón-cremallera (3). La barra-soporte (2) está interrumpida en su parte media por el armazón (4) del mecanismo piñóncremallera (3). Este mecanismo piñón-cremallera (3) incorpora un piñón (5), un eje (6) del piñón (5), una cremallera (7) y un gatillo (8). El piñón (5), alojado en el interior del armazón (4), puede girar accionado desde el extremo del eje (6) mediante una llave apropiada. La cremallera (7) es solidaria al mástil (1) y se prolonga en toda su longitud. De esta manera, al hacer girar e! piñón (5), la barrasoporte (2) se desplaza verticalmente. Sobre el armazón (4) articula un gatillo (9) que permite el bloqueo del piñón (5), de forma que la barra-soporte (2) no se desplace hacia abajo a causa de su propio peso.In view of the aforementioned, the present invention refers to a support for equipment for measuring environmental parameters among those that They allow the placement of measuring equipment in three heights and adjust these positions in height. It is essentially characterized by incorporating a mast (1) and three equal support bars (2). The mast (7) is fixed to the ground and placed in vertical position. The bar-support (2) located in horizontal position and perpendicular to the mast (1) can move vertically along it by means of a rack-and-pinion mechanism (3). The bar-support (2) is interrupted in its middle part by the frame (4) of the pinion-locking mechanism (3). This pinion-rack mechanism (3) incorporates a pinion (5), a pinion shaft (6) (5), a rack (7) and a trigger (8). The pinion (5), housed inside the frame (4), can rotate driven from the end of the shaft (6) by an appropriate key. The rack (7) is joined to the mast (1) and extends throughout its length. In this way, when spinning e! pinion (5), the support bar (2) moves vertically. On the frame (4) articulates a trigger (9) that allows the lock of the pinion (5), so that the support bar (2) does not move down due to its own weight.
La barra-soporte (2) presenta en toda su longitud una multitud de agujeros (9) que permiten la ubicación de instrumentos de medida. Para la colocación de instrumentos de medida a tres alturas distintas, un número de tres barras-soporte (2) iguales se encuentran montadas sobre el mástil (1), donde la misma cremallera (7) es compartida por las tres barras-soporte (2).The bar-support (2) presents in its entire length a multitude of holes (9) that allow the location of measuring instruments. For the placement of measuring instruments at three different heights, a number of three equal support bars (2) are mounted on the mast (1), where the same rack (7) is shared by the three support bars (2). ).
No altera la esencialidad de esta invención variaciones en materiales, forma, tamaño y disposición de los elementos componentes descritos de manera no limitativa, bastando ésta para proceder a su reproducción por un experto. The essentiality of this invention does not alter variations in materials, shape, size and arrangement of the component elements described in a non-limiting manner, this being sufficient to proceed to its reproduction by an expert.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES201600846A ES2661542B1 (en) | 2016-09-29 | 2016-09-29 | Support at three heights for equipment for measuring environmental parameters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES201600846A ES2661542B1 (en) | 2016-09-29 | 2016-09-29 | Support at three heights for equipment for measuring environmental parameters |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ES2661542A1 ES2661542A1 (en) | 2018-04-02 |
| ES2661542B1 true ES2661542B1 (en) | 2019-02-07 |
Family
ID=61731835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES201600846A Active ES2661542B1 (en) | 2016-09-29 | 2016-09-29 | Support at three heights for equipment for measuring environmental parameters |
Country Status (1)
| Country | Link |
|---|---|
| ES (1) | ES2661542B1 (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3567049D1 (en) * | 1984-05-22 | 1989-02-02 | Paul Lloyd Dixon | Height adjustable apparatus |
| US5232035A (en) * | 1991-08-15 | 1993-08-03 | Adams Jr Joseph E | Tire changing tool and workstand |
| US5971348A (en) * | 1996-10-03 | 1999-10-26 | Corning Incorporated | Adjustable stand for a cantilevered load |
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2016
- 2016-09-29 ES ES201600846A patent/ES2661542B1/en active Active
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| Publication number | Publication date |
|---|---|
| ES2661542A1 (en) | 2018-04-02 |
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