• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    Detector device of particles present in the air of portable and autonomous character. Detector device for particles present in portable and autonomous operating air, which comprises a container (1) having an air inlet (2) from the outside towards the interior of the container (1), and an outlet (3) of air from inside the container (1) to the outside; so that between the entrance (2) and exit (3) of air, the container (1) comprises, in its interior, a first module (7) for collecting air, which in turn comprises: a first means of filtering (4) of the air, which allows the passage of air and particles smaller than the pore size; and a first receptacle comprising, in turn, a first retention plate (5) coated with a crass substance or other adherent surface on its anterior major surface, and configured to collect at least part of the particles present in the air. (Machine-translation by Google Translate, not legally binding)
    公开号:ES2558792A1
    申请号:ES201531836
    申请日:2015-12-18
    公开日:2016-02-08
    发明作者:Andrés NÚÑEZ HERNÁNDEZ；Ana María GARCÍA RUIZ；Diego Alejandro Moreno Gómez
    申请人:Universidad Politecnica de Madrid；
    IPC主号:
    专利说明:

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    DESCRIPTION
    Device for collecting particles present in the air of a portable and autonomous character TECHNICAL FIELD OF THE INVENTION
    The present invention relates to a device for collecting particles present in the air to be used in open spaces, which is located within the environmental sector, the state of the air and the measurement of the particles present in it.
    The device for collecting particles present in the air object of the invention has as its main purpose the provision of an apparatus capable of retaining a large number of particles existing in an air sample of any outer space, which has an autonomous operation without need from external power supplies, in addition to a compact design that allows it to be coupled to any type of means of transport, resulting in a device that exhibits adequate aerodynamic behavior during operation; and where the collection of particles is carried out in a simple way, which allows it to be reused an indefinite number of times, and guaranteeing a quick and efficient cleaning and commissioning.
    BACKGROUND OF THE INVENTION
    By way of introduction, it is known the use and existence of a large number of particle capture devices present in the air, which are focused on measuring air quality in closed environments, complying with the legislation applied in them. In this sense, the volume of air collected by said devices, as well as the sampling time, are previously set and are not modifiable or adaptable beyond the preset configuration. Therefore, there is a limitation of its use as soon as there are applications that do not meet the indicated volume and time requirements, see for example in outdoor spaces where a sampling of a large volume of air is required as well as a long exposure time of air particle collection.
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    Additionally, and in this sense, there is a growing interest in microbiological studies of air in open environments and in how the microbiota of air, called aerobiota, is affected by various factors such as air pollution caused by means of transport, emissions pollutants from nearby industries, etc. Therefore, the sampling of open spaces and environmental studies on biodiversity require greater flexibility in terms of time and volume of air sampled, as the microbiological load is variable according to the environment, height, time of the year, etc.
    In relation to the state of the art known to date, and associated with airborne particulate capture devices, for example, the sensing device described in US Patent No. 3001914 is known, in which a container having an inlet and an opposite air outlet; and comprises, inside, a plurality of perforated plates of decreasing diameter in the direction from the inlet to the air outlet, so that each plate acts as a filtering medium; and that in an intercalated way a Petri dish is positioned with culture medium that acts as a retention medium, being set between two filtering plates. Likewise, the device has means for generating a dock that can be coupled to the air outlet, so that the suction of air takes place at a predetermined speed towards the inside of the container. Thus, the described device is specific for obtaining viable organisms, bacteria, for later cultivation and study. But said device has a series of drawbacks, among which the need to use a vacuum pump to achieve said air suction is highlighted, and thereby increasing the volume and weight of the device itself, decreasing its portability; In addition to limiting its autonomy of operation by requiring external energy sources for the operation of said ford pump. In addition, the use of culture media as a retention surface supposes a limitation in terms of its use time, since said culture media tend to dehydration by the continuous passage of air through it.
    Similarly, the existence of the English patent GB-2496995 is known, in which an air particle pick-up device is also described, which has a container comprising an air inlet and two air outlets, where one of they are configured to have forge generating means to force the movement and circulation of air inside the container; and the second exit presents a deposit of
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    collection of particles facing its mouth to the flow of air from the air inlet inside the container; but that again the device described here requires the use of ford generation means that have an impact on transportation and installation in outdoor locations.
    That is why, in view of the main drawbacks referred to both the difficulty of being able to perform measurements and captures of the air particles in outdoor spaces, due to a greater extent due to the lack of autonomy of the current collection devices; and due to the low versatility they offer when modifying their preset options, the appearance of a new particle pick-up device present in the air capable of resolving such inconveniences is necessary, so that it can be adapted to the sampling time necessary to satisfy user needs; that allows knowing the volume of air sampled, being able to have a record of the variations in the air flow that the device goes through during the sampling; and that it has a means of collection sterilizable and easy reuse, and all this with the use of simple entities, adaptable to any environment, and perfectly applicable industrially.
    DESCRIPTION OF THE INVENTION
    The present invention relates to a device for collecting particles present in the air, which comprises a container that has an air inlet from the outside to the inside of the container, and an air outlet from the inside of the container to the outside of the container. container; so that between the air inlet and outlet, the container comprises inside, a first air collection module, which comprises:
    - a first air filtration means, configured to retain particles of dimensions greater than or equal to a predetermined size, and to allow the passage of air and particles of smaller dimensions to said predetermined size; Y
    - a first receptacle comprising, in turn, a first retention plate covered, at least partially, with a crass substance or other adherent surface on its anterior major surface, and configured to collect, at least, part of the particles present in the air.
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    It is observed, therefore, how the device object of the invention is configured as a container with an air inlet and outlet, and therefore presenting an unlimited captation volume at the user's will, where once the air enters the interior of the container, it meets two functional physical entities:
    - The first entity refers to the first means of air filtration, which is not configured to serve as a means for collecting particles, but is configured to retain particles of dimensions greater than or equal to a predetermined size, and allow passage of air and particles of smaller dimensions to said predetermined size.
    - The second entity refers to a first receptacle, understanding the concept of receptacle as an interior space suitable for accommodation and air circulation inside, which in turn comprises a first retention plate covered, at least partially , of a crass substance or other adherent surface on its anterior major surface, and configured to collect at least part of the particles present in the air. It is necessary to clarify that the choice of a substance substance or adherent surface is independent of the functional objective of both entities, since both are intended to collect and collect air particles in a fast and effective way. So in the case of choosing to use a crass substance, it has, as its name implies, a sticky unctuous capacity that collects said particles. Being a simple but highly effective solution, since the user can locate and position the pickup device at any location, perform the collection, and then collect the crass substance with the particles stuck in it, to proceed with its analysis and sampling. Thus, by way of example, said device object of the invention can be used for the recovery and subsequent analysis of specific DNA, RNA, organisms or metabolites. Similarly, in the case of using an adherent surface, this can be, for example, an adhesive on both sides, which is also removable for the collection of adhered particles in it quickly and easily, and this being a Complementary solution to the use of the substance crass.
    By way of clarification, a "first" module is described, which in turn comprises a "first" means of filtering the air, "first" receptacle and "first" retention plate; where said ordinal adjective is not limiting nor does it imply the obligatory need for the use of a "second" module with the previous physical entities indicated, if not
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    described in such a way to clarify possible subsequent preferred embodiments in which if the existence of "second" air particle captation modules belonging to the device object of the invention is indicated.
    It should be noted that the device for collecting particles present in the air does not need external means that force the air into the container, and therefore does not require ford generators or the like that increase its weight, volume and encare the device itself same, unlike the state of the known art; and therefore it is suitable for use in open spaces.
    Contemplating the possibility in which said device object of the invention is coupled to a mobile transport means, see for example land, air, water and even drone type vehicles, which generates a forced air flow towards the entrance of the container. And where said quality is caused by the device described, its compactness and the low weight of its main entities.
    Likewise, and to be able to quantify the air flow through the device, the preferred option is described in which it comprises an air flow meter coupled to the air outlet of the container, which is configured to measure the air flow that circulates through said container. And in order to be able to date and store the data measured by the flowmeter, it is described how the device can comprise a data recording module connected to the flowmeter, and configured to store the air flow measurements evaluated by said flowmeter; where both the flow meter and the data recording module have rechargeable electric energy sources and, therefore, autonomous for outdoor use. Highlighting how the set formed by the flow meter and the data recording module can be housed in a container that can be attached to the container belonging to the sensor device object of the invention, resulting in a compact, mobile, autonomous device with an aerodynamic behavior that facilitates its location in Any means of transport.
    Stressing that, in the absence of the data recording module, it is the flowmeter itself who can, optionally, send the data collected from the air flow to a computer or data processor via wireless and / or viewable in real time.
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    Contemplating the option in which said flowmeter can be connected to any other device in charge of receiving and sending the flow data measured by said flowmeter, preferably with the sending of data wirelessly.
    In relation to the crass substance that covers, at least partially, the anterior major surface of the first retention plate, this may be petroleum jelly. Which meets the sterility requirements necessary to avoid contaminating the samples of collected particles, and where, in this sense, the materials of the air filtration media and the retention plates are sterile and / or sterilizable materials such as metal materials of light alloys, plastics, glass, etc.
    In a preferred embodiment, the possibility that the air filtration means is constituted by a perforated plate with holes of predefined diameters is contemplated; being a simple solution, effective and known in the state of the art, and that serves as a barrier to the passage of particles of large size unwanted in the sampling.
    Optionally and preferably, the container comprises, between the air inlet and the outlet, one or several second air captation modules which in turn comprise a second filtering means and a second retention plate respectively, and located said, at least a second module following the first module, so that a modular structure of filtering means and retention plates coated with petroleum jelly is configured, increasing the retention efficiency of particles of the device object of the invention. In this way, it can be described how the air enters the container through the inlet thereof, said air is filtered in the first air filtration means of the first module, then impacts with the anterior surface of the retention plate where a series of particles are retained to, subsequently, move on to the second module where it meets a second air filtration means and a second retention plate; and so on until the air comes out through the outlet of the container. In said outlet the flowmeter can be coupled which measures the air flow per unit of time that circulates through the container, and the data recording module proceeds to date the amounts of air flow measured by the flow meter.
    In this sense, and associated with how to define an air path through the interior of the container,
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    the preferred option is contemplated in which the air filtering means in turn comprise a plurality of perimeter projections configured to come into contact with the upper edge of the retention plate; so that said retention plate is set between the perimeter projections defining a path of the air introduced into the container, where:
    a) the air circulates through the retaining means until it hits the anterior major surface of the retention plate; Y
    b) the air circulates radially to the outer contour of the first retention plate; Y
    c) air circulates through the gaps between the perimeter projections of the perforated plate.
    Likewise, and to fix the retaining plate of the last module of the container, it is described how the outlet of the container comprises a plurality of lugs configured to come into contact with the posterior major face of the retention plate; so that said retention plate is set between the perimeter projections and the lugs, defining a path of the air to be extracted from the container, where, and following step c):
    d) air circulates through the gaps between the lugs of the container outlet; Y
    e) the air is expelled through the outlet of the container.
    And in the case of the use of more than one module of air captation, it is then that the second module of air collection comprises a plurality of lugs configured to come into contact with the main rear face of the retention plate of the first module of catchment; so that the retaining plate of the first module is set between the perimeter projections and the lugs, defining an air path inside the container, where, and after step c):
    d) air circulates through the gaps between the lugs of the second module of the container; Y
    e) the air is conducted to the air filtration means of the second air collection module.
    The preferred option in which the entry and / or exit of air in the container is described
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    It comprises sealing means configured to modify the air passage area from the outside to the inside of the container and / or from the inside of the container to the outside. Being able to obstruct or increase the passage of air into the container and, thus, be able to modify the air flow at the will of the user while maintaining a constant inlet air velocity. Likewise, the air flow to the outlet can be closed or narrowed, creating counter-pressures in the container belonging to the device object of the invention, at the user's will again.
    In the event that it is desired to measure or quantify physicochemical parameters during the capture of the air particles, the possibility is contemplated that the device object of the invention comprises non-biological sensors for the capture of physicochemical parameters of the air coupled to the exit of said container; where said sensors do not increase the mass or volume substantially of the entire device, guaranteeing its autonomy for application in open spaces.
    Lastly, and although it is not a preferred option, the option is described in which the device can have an air impeller inside the container, and which is coupled to the inlet of the container. So that an air current is forced when the device is in a static position, it can be controlled remotely through remote control means.
    Thus, with the proposed invention a particle capture device present in the air is obtained perfect for use in open spaces, also presenting an autonomous configuration without the need for external power supplies, in addition to a compact design that allows it to be coupled to any type of means of transport; and where the collection of particles is carried out in a simple way, which allows it to be reused an indefinite number of times, with airflow rates varying by the user and with their registration.
    DESCRIPTION OF THE DRAWINGS
    To complement the description that is being made, and in order to help a better understanding of the features of the invention, according to a preferred example
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    of practical realization of the same, it is accompanied as an integral part of said description, a series of drawings in which, with an illustrative and non-limiting nature, the following has been represented:
    Figure 1.- Shows a first three-dimensional exploded view of the particle collecting device present in the air object of the invention.
    Figure 2.- Shows a second three-dimensional exploded view of the device for collecting particles present in the air object of the invention.
    Figure 3.- Shows a three-dimensional view where a series of captation modules are coupled together, observing one of the collection plates ready to be coupled in the corresponding module.
    Figure 4.- Shows a first three-dimensional view where the modules are coupled to the inlet and outlet, and are ready to be coupled in the container of the particle collecting device present in the air object of the invention.
    Figure 5.- Shows a second three-dimensional view where the modules are coupled to the inlet and outlet, and are ready to be coupled in the container of the particle collecting device present in the air object of the invention.
    Figure 6.- Shows a first three-dimensional view where the modules, inlet and outlet are housed in the container, observing the entry of air into it.
    Figure 7.- Shows a second three-dimensional view where the modules, inlet and outlet are housed in the container, observing the air outlet from inside it.
    Figure 8 shows a three-dimensional view where the modules, input and output are housed in the container, and the flowmeter and data recording module are coupled to the output of this.
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    Figure 9.- Shows a first three-dimensional view where the modules, input and output are housed in the container, and the flowmeter and the data registration module are housed in a container coupled in turn to said container.
    Figure 10.- Shows a second three-dimensional view where the modules, input and output are housed in the container, and the flow meter and the data recording module are housed in a container in turn coupled to said container.
    Figure 11.- It shows a third three-dimensional view where the modules, input and output are housed in the container, and the flow meter and the data record module are housed in the container, where a side closure of the container allows the exit of air from the flowmeter.
    PREFERRED EMBODIMENT OF THE INVENTION
    In view of Figures 1 to 7, it can be seen how the device for collecting particles present in the air object of the invention comprises:
    - A cylindrical container (1) of plastic material.
    - An air inlet (2) from the outside towards the inside of the container (1), which has a cylindrical configuration of metallic material, whose output has a truncated cone geometry with sealing means, which are configured to modify the area of passage of air from the outside to the inside of the container (1).
    - An air outlet (3) from inside the container (1) to the outside of the container (1); which has a cylindrical configuration of metallic material, whose output has a circular hole with sealing means, which are configured to modify the air passage area from inside the container (1) to the outside.
    - A series of captation modules (7, 7 ', 7' ') located between the air inlet (2) and outlet (3), where each air collection module (7), in turn, comprises: a means filtering (4, 4 ', 4' ') of the air, configured to retain particles of dimensions greater than or equal to a predetermined size, and allow the passage of air and smaller particles to said predetermined size; and a first receptacle comprising, in turn, a retention plate (5, 5 ', 5' ') coated, at least partially, with a crass substance formed by petroleum jelly, and spread on its anterior major surface (5a), and configured to collect at
    less part of the particles present in the air. Where the filtering media (4, 4 ’, 4’) consist of a perforated plate with predefined diameter holes, which is made of sterilizable metal material; and the retention plates (5, 5 ’, 5’) are made of a sterilizable plastic material with a cylindrical configuration.
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    Likewise, it is shown in figures 8 to 11 how an air flow meter (6) is coupled to the air outlet (3) of the container (1), and configured to measure the flow of air circulating through said container (one). Likewise, a data recording module (10) is in turn connected to the flow meter (6), and configured to store the 10 air flow measurements evaluated by said flow meter (6).
    Regarding how to group the container (1), the flowmeter (6) and the registration module (10), it is observed how the flowmeter (6) and the registration module (10) are collected in a cylindrical container (11) where one of its mouths is coupled to the vessel (1), and the other mouthpiece allows the flowmeter (6) to flow outwards.
    The invention has been described according to some preferred embodiments thereof, but it will be apparent to the person skilled in the art that multiple variations can be introduced in said preferred embodiments without exceeding the object of the claimed invention.
    权利要求:
    Claims (13)
    [1]
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    1. - Device for collecting particles present in the air, which comprises a container (1) that has an air inlet (2) from the outside to the inside of the container (1), and an air outlet (3) from the inside of the container (1) towards the outside of the container (1); the device being characterized in that between the air inlet (2) and air outlet (3), the container (1) comprises in its interior, a first air collection module (7), which comprises:
    - a first means of filtering (4) of the air, configured to retain particles of dimensions greater than or equal to a predetermined size, and allow the passage of air and particles smaller than said predetermined size; Y
    - a first receptacle comprising, in turn, a first retention plate (5) coated, at least partially, with a crass substance or other adherent surface on its anterior major surface (5a), and configured to collect at least part of the particles present in the air.
    [2]
    2. - Device for collecting particles present in the air, according to claim 1, characterized in that it comprises an air flow meter (6) coupled to the air outlet (3) of the container (1), and configured to measure the flow rate of air circulating through said container (1).
    [3]
    3. - Device for collecting particles present in the air, according to claim 2, characterized in that it comprises a data registration module (10) connected to the flowmeter (6), and configured to store the air flow measurements evaluated by said flow meter (6).
    [4]
    4. - Device for collecting particles present in the air, according to any of the preceding claims, characterized in that the crass substance that covers, at least partially, the major anterior surface (5a) of the first retention plate (5), is vaseline.
    [5]
    5. - Device for collecting particles present in the air, according to any of the preceding claims, characterized in that the air filtering means (4, 4 ’, 4’)
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    they are constituted by a perforated plate with holes of predefined diameters.
    [6]
    6. - Device for collecting particles present in the air, according to any of the
    previous claims, characterized in that the container (1) comprises, between the air inlet (2) and the air outlet (3), one or several second air collection modules (7 ', 7' ') which in turn comprise a few second filter means (4 ', 4' ') and a second retention plate (5', 5 '') respectively, and located said, at least one, second module (7 ', 7' ') following the First module
    [7]
    7. - Device for collecting particles present in the air, according to any of the
    previous claims, characterized in that the retention plate (5, 5 ’, 5’) is made of a sterile and / or sterilizable material.
    [8]
    8. - Device for collecting particles present in the air, according to any of the
    previous claims, characterized in that the filtering means (4, 4 ’, 4’) are formed of a sterile and / or sterilizable material.
    [9]
    9. - Device for collecting particles present in the air, according to any of the
    previous claims, characterized in that the air inlet (2) and / or outlet (3) in the container (1) are formed of a sterile and / or sterilizable material.
    [10]
    10. - Device for collecting particles present in the air, according to any of the preceding claims, characterized in that the air inlet (2) and / or outlet (3) in the container (1) comprises sealing means configured to modify the air passage area from outside to inside the container (1) and / or from inside the container (1) to the outside.
    [11]
    11. - Device for collecting particles present in the air, according to any of the preceding claims, characterized in that it is coupled to a mobile means of transport, configured to generate a forced air flow towards the inlet (2) of the container (1) .
    [12]
    12. - Device for collecting particles present in the air, according to any of the
    previous claims, characterized in that an air impeller apparatus inside the container (1), and which is coupled to the inlet (2) of the container (1).
    [13]
    13.- Device for collecting particles present in the air, according to any of the previous 5 claims, characterized in that it comprises non-biological sensors for the capture of physical-chemical parameters of the air coupled to the outlet (3) of said container (1).
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    同族专利:
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    EP3392641A1|2018-10-24|
    引用文献:
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    ES1146933Y|2015-09-25|2016-02-24|Medina Francisco Javier Garcia|Any system intended for the collection and / or collection of aerobiological particles through the use of multirotors.|
    法律状态:
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    优先权:
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    ES201531836A|ES2558792B2|2015-12-18|2015-12-18|Device for collecting particles present in the air of a portable and autonomous character|ES201531836A| ES2558792B2|2015-12-18|2015-12-18|Device for collecting particles present in the air of a portable and autonomous character|
    EP16874960.4A| EP3392641A4|2015-12-18|2016-12-16|Device for capturing particles present in the air, which is portable and autonomous|
    PCT/ES2016/070899| WO2017103316A1|2015-12-18|2016-12-16|Device for capturing particles present in the air, which is portable and autonomous|
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