EP3737489A2

EP3737489A2 - Device for purifying air, arrangement of several devices for purifying air and software-based application

Info

Publication number: EP3737489A2
Application number: EP19705927.2A
Authority: EP
Inventors: Robert Krüger
Original assignee: TRITTEC AG
Current assignee: TRITTEC AG
Priority date: 2018-01-12
Filing date: 2019-01-09
Publication date: 2020-11-18
Also published as: KR20200116469A; JP2021510803A; WO2019137822A2; DE102018211040A1; DE102018211039A1; US20200348033A1; CN111867704A; WO2019137822A3; DE102018211049A1

Abstract

The invention relates to a device for purifying air, in particular in an outdoor area, comprising at least one housing (2) having at least one air inlet (3), filter means (4, 5), at least one fan (6) and at least one air outlet (8, 108, 208), wherein said device can be used in a cost-effective and simple manner and enables the user to free air at any desired times and at any desired locations from pollutants. According to the invention, it is proposed that said device can be transported and designed to be positionable at different installation locations. The present invention further relates to an arrangement of several devices for purifying air and to a software-based application, in particular a smartphone application, for devices for purifying air.

Description

Device for cleaning air, arrangement of several devices for cleaning air and software-aided

application

The present invention relates to a device for cleaning air, in particular in the outer region, comprising at least one housing which has at least one air inlet, filter means, at least one fan and at least one air outlet.

Furthermore, the present invention relates to an arrangement of several devices for cleaning air. Also, the present invention relates to a software-based

Application, in particular smartphone application, for devices for cleaning air.

The high demand of humanity for electrical energy, which is currently produced to a large extent by means of combustion engines made of fossil fuels, such as coal, ensures a significant pollution of the air. Likewise, the motor vehicles, aircraft, and ships needed for humanity's mobility are also causing primarily fossil fuel burning

Combustion machines are driven, considerable

Emissions that pollute the breathing air. In addition to the CO2 produced during combustion, emissions also include nitrogen oxides NOx and fine dusts that pollute the respiratory air. Further emissions that additionally pollute the respiratory air may be, for example, the attrition of tires or brake dusts arising during the operation of motor vehicle brakes.

When cleaning the outdoor air polluted by the aforementioned emissions, it should be noted that large quantities of air are too high

CONFIRMATION COPY filter to achieve a noticeable cleaning effect. It should also be borne in mind that the installation sites where cleaning of the air is required vary over time, since the causes responsible for the pollution of the air, such as those caused by air pollution, are also variable

Internal combustion engines driven motor vehicles, depending on the time in different places come into effect.

From WO 2017/1799984 A1 a device of the type mentioned above is already known. The known device is particularly suitable for the purification of air that is polluted by particulate matter. For this purpose, different filters and air ionizers are used in the known device. The known device is mounted by means of an installation table on a footprint and to a

Power supply connected. For example, it may be placed on a building or in a living space to purify the air around the device.

Disadvantage of the known device is that the device is bound to the once selected installation site and setting up the

Device is connected at a different location with considerable effort and costs and required for the device periphery, for example, sufficient footprint and sufficient

dimensioned power connection, not always available.

Another disadvantage of the known device is that the device causes considerable noise emissions.

Object of the present invention is to provide a device for cleaning air, especially in the outdoor area, an arrangement of several devices for cleaning air and a software-based application, especially smartphone application, for devices for cleaning air, the cost and easy applicable, and allow the user to purify air at arbitrary times in any location of Schadstofen.

Further

Object of the present invention is an apparatus for cleaning air, especially in the outdoor area, an arrangement of several devices for cleaning air and a

Software-based application, in particular smartphone application, provide for devices for cleaning air, which swirl less dirt or cause lower noise emissions than the devices known from the prior art.

- 3a -

Regarding the device, this object is achieved by a device of the type mentioned, which is transportable and to

different Aufsteilorten is configured positionable. This makes it possible to transport the device from one location to another location and set up there. Thus, the

Device can be operated with little effort at different Aufsteliorten at which a cleaning of the air just needed and / or useful. The installation at the installation site can

preferably be done by means of mechanical and / or hydraulic lifting systems, the lifting systems allow in particular a lineup on uneven surfaces. This also makes it possible to set up the device at the installation location such that, for example, the wind of motor vehicles on the road presses the air to be cleaned into the air inlet of the device. In this way, the required for the suction of air to be cleaned drive power of

Fans can be reduced with advantage.

Regarding the device, this object is further by a

Device of the type mentioned above, in which at least one of the fans is arranged along a flow direction between the filter means. As a result, a reduction of the noise emissions of the air cleaner, which are primarily caused by the fan, is achieved with advantage. Also, the fan in this embodiment of the invention of the air cleaner due to the installation position behind a filter of a reduced number

Air particles exposed in the air stream. As a result, the abrasive

Wear of the fan with advantage reduced. These features according to the invention are both transportable and fixed at the installation site - 4 - veiuauie, _l uiiutti nc L c ie i / or anchored execution. ,

Advantage.

Regarding the device, this object is further by a

Device of the type mentioned above, in which the

Air inlet is formed under normal use for sucking in the air horizontally to a footprint and / or the air outlet for blowing out the air is formed vertically to a footprint. As a result, not a direction equal sucking and blowing out of the air is achieved with advantage. As a result, on the one hand with advantage the proportion of sucked, already purified air is reduced.

On the other hand, for example, in this way with advantage

Swirling dirt and / or blowing off people and / or vehicles passing through the air purifier is avoided. Likewise, the noise emission at the air outlet is advantageously reduced in this way.

Regarding the device, this object is further by a

Device of the type mentioned above, in which a

Direction of flow of the air at the air inlet when bestimmgegeßäßer use at right angles to a flow direction on

Air outlet is. As a result, a non-directional with advantage

Sucking in and blowing out of the air is achieved. As a result, on the one hand with advantage the proportion of sucked, already purified air is reduced.

On the other hand, for example, in this way with advantage

Swirling dirt and / or blowing off people and / or vehicles passing through the air purifier is avoided. Likewise, the noise emission at the air outlet is advantageously reduced in this way. A vuueimaiie Musiunrungsform the vuniuuung invention provides that it has arranged in the flow direction between the air inlet and the air outlet arranged Luftumlenkmittel. The

Air deflection allow a deflection of the air, so changing the flow direction of the air. Air deflecting means may, for example, be mounted behind the culvert inlet and / or in front of the air outlet

Luftumienkeinheiten be in the form of a 90-degree elbow or in the form of a box with two openings that are 90 degrees apart. A further advantageous embodiment of the invention

Device provides that a Luftumlenkmitteleintrittsfläche is greater than a Luftumlenkmittelaustrittsfläche, preferably is the

Luftumlenkmitteleintrittsfläche about three times as large as the

Luftumlenkmittelaustrittsfläche. As a result, a higher flow velocity of the air is advantageously generated at the air outlet.

In an advantageous embodiment of the device according to the invention is provided that it has transport means, in particular a chassis with wheels. In this way, the device has the necessary for transporting the device means of transport, so that a simple and short-term transport of the device is possible. A possible means of transport may be a fixed and / or releasable with the

Device connected chassis, similar to a chassis of a trailer, be. Alternatively, the means of transport in the context of the invention may also be trucks, trailers of trucks and / or air transporters, such as helicopters and / or cargo towing.

In a further advantageous embodiment of the device according to the invention, it is provided that the transport means have drive means, in particular wheels driven by a motor. 6

As a result, the device for cleaning air is adapted to move without additional aids such as a car and / or a truck.

In an advantageous embodiment of the device according to the invention it is provided that it is designed for autonomous mobility. In this way, the device for purifying air is considered to be

moving independently from site to site

Device formed. A driver is not needed, so that the device is inexpensive and flexible operable. A further advantageous embodiment of the invention

Device provides that the housing has the dimensions of a

Standard container has. This ensures on the one hand that the dimensions allow a simple and short-term transport, since the dimensions of containers are designed so that they in different ways, eg. B. by truck or car with trailer, even without special permission on roads can be transported. On the other hand, the standardized dimensions of a container allow the stacking of multiple devices. As a result, larger systems with higher cleaning performance can be generated from multiple devices in a simple manner.

In an advantageous embodiment of the device according to the invention, it is provided that the housing is designed, when used as intended, for a flow direction horizontal to a footprint. This design with a horizontal air guide is particularly the dimensions of a standard container, which has its greatest extent in the horizontal longitudinal direction, and allows a compact, yet standardized structure. In another embodiment of the device according to the invention, it is provided that it has energy supply means. The energy supply means are advantageously used to supply the components of the device with energy, in particular electrical energy, which is required for operation.

In an advantageous embodiment of the device according to the invention it is provided that the energy supply means aulweisen energy generating means, in particular a photovoltaic system and / or a fuel cell. As a result, the device for cleaning air at the place of installation is supplied with energy, in the case of a photovoltaic system even with regenerative energy. An external power supply is not mandatory. The installation of the device is thereby simplified, since no power must be connected to the device at the installation. As an alternative to a photovoltaic system and / or a fuel cell, other types of energy-generating means can also be used within the scope of the invention. These may preferably be wind power generators and / or generators driven by fuels such as gas, gasoline and / or diesel.

A further advantageous embodiment of the device according to the invention provides that the power supply means

Energy connection means, in particular a power connection, have. As a result, the device for cleaning air at the place of installation is supplied with energy. This design is advantageous in the case of the presence of an external power supply at the installation site for the operation of the device, since the device is thereby also designed for operation with high power consumption independent of other environmental conditions, in particular weather conditions. 8 in a further advantageous embodiment of the device according to the invention, it is provided that the energy supply means

Energy storage means, in particular batteries, aulweisen. As a result, the device for cleaning air at the place of installation is supplied with energy. The energy stored in the energy storage means can be retrieved when needed for the operation of the device. In this way, the device can also be operated when no external power connection and / or no power generation means are present. With the help of energy storage means, it is also possible overcapacities generated, for example one

Photovoltaic system, which are not needed for the operation of the device to save. Also, the energy storage means can be charged in the case of a connected power supply with energy. As an alternative to batteries, other types of energy storage means can also be used within the scope of the invention. These may preferably be capacitors and / or compressed air storage.

In an advantageous embodiment of the device according to the invention it is provided that the energy supply means

Energy recovery means, in particular an exhaust air generator. In this way, it is possible to recover some of the energy needed for the operation of the fan to move the air through the filters by the air flow behind the filter drives an exhaust air wind generator that generates electrical energy, which then in energy storage means , preferably in batteries.

A further advantageous embodiment of the device according to the invention provides that the air inlet of the housing at

intended use at a height in the range 1, 5 m to 2.5 m, preferably 2 m, can be arranged above the footprint. The - 9 -

Suction of polluted air at this altitude is particularly advantageous "since the concentration of pollutants and nitrogen oxides at this altitude above the ground or the road on which vehicles drive, is particularly high and thus a high cleaning efficiency, expressed in amount of pollutants or Fine dust particles and / or nitrogen oxides per

Time unit, can be achieved.

In a further advantageous embodiment of the device according to the invention, it is provided that the filter means prefilter,

Having fine dust filter means and / or activated carbon filter means. Here are the particulate matter filter in particular for cleaning the air of

Fine dust, such as soot, tire and Bremsenabrieb trained, while the activated carbon filter means in particular for purifying the air of nitrogen oxides and other gaseous

Combustion residues are formed. Oie prefilter,

For example, a fabric, however, are designed for pre-cleaning the air before entering the fine dust filter means. As a result, advantageously a separation of larger particles, which would put the particulate matter filter quickly, achieved.

In an advantageous embodiment of the device according to the invention, it is provided that the filter means, in particular the prefilter means, have threads which triboelectrically have by a stream of air chargeable carriers, which are provided, in particular completely, with a coating having a hydrophobic coating material. Threads provided with a hydrophobic coating,

preferably prior art threads from WO 2012/003852, load themselves in the air automatically static, without the need for an active charging. A corresponding thread is therefore excellently suitable for producing a filter structure exhibiting a mesh structure. For the self-chargeability and the likewise empirically observed 10 langirisnge umeroinaen a derivative of the electrostatic Munaaung with a suitable choice of the carrier makes it advantageous to the

To select mesh size of a fabric prepared from the thread of the invention in an order of magnitude that is ideal for filter media.

A further advantageous embodiment of the device according to the invention provides that the filter means, in particular the pre-filter means, have threads which comprise a core, wherein the core has a coating, the heat-activated adhesive for

cohesive bonding to itself or other filaments, the core having a higher melting point than the adhesives, the coating comprising hydrophobic repellents. Such a thread, preferably the previously known thread from DE 10 201 1 057 150, allows a localized bonding of warp threads and

Weft threads at nodes of the fabric of the filter material. By choosing a heat-activatable adhesive, the handling of the thread in a deactivated, non-sticky state, which is present at all natural ambient temperatures, is completely problem-free. The activation of the adhesive takes place in a very simple way, namely by heating. The temperature can thus be controlled very precisely when the thread is adhesive activated or deactivated. For this purpose, it proves to be particularly advantageous that the core has a higher melting point than the adhesives. Thus, the adhesives can be melted and thus tack-activated, but without the core melting or substantially softening to prevent tearing of the thread during bonding. Since the temperature is a very well processable process greetings, the industrial production of the thread and also the fabric under simple and thus

cost-effective conditions are carried out. Covered by the invention are coatings which completely encase the thread, but - 11 also those that argue as parallel to the longitudinal axis of the thread ode _. along the circumference of the thread running rings of finite width are formed. Even discrete, dot-like coating patterns are possible. The thread is particularly efficient to a tissue for

Filtering agent processable.

In a further advantageous embodiment of the device according to the invention it is provided that the fan is designed as a pipe fan and / or as a fan with adjustable disc armature motor and / or with backward curved blades. The embodiment of the invention with tube fan is advantageous because it is at

Pipe fans are typically low-cost, compact design standard fans. Furthermore, the inventive

Embodiment with a fan with adjustable

Disc rotor motor and / or with backward curved blades advantageous because these fan types are particularly energy efficient and quiet.

A further advantageous embodiment of the device according to the invention provides that at least one of the fans along a flow direction between the particulate matter filter means and the activated carbon filter means and / or between the prefilter means and the particulate matter filter means is arranged. This will be an advantage

Reducing the noise emissions of the air purifier caused primarily by the fan. The fan is exposed in this embodiment of the air cleaner due to the installation position behind a filter a reduced number of air particles in the air flow. As a result, the abrasive wear of the fan is advantageously reduced.

In an advantageous embodiment of the device according to the invention it is provided that the air inlet is tapered, so that a 12

Air intake area a smaller cross-sectional area than a

Has flow area. In this way, the flow velocity of the sucked air is advantageously increased at the air inlet, since the cross-sectional area through which the air flows, for example by air guide plates tapering conically from the flow area in the direction of the air suction surface, is reduced. Optimized flow conditions at the air inlet as well as a larger air intake area in front of the air intake are the advantageous consequences.

A further advantageous embodiment of the device according to the invention provides that it has a control unit for regulating a cleaning performance in response to an input variable, wherein the control unit preferably comprises communication means for exchanging data with an external unit and / or a further device for cleaning air. As a result, the control unit is designed to receive data or information from communication partners, which may be external units, for example external control units, and / or other devices for cleaning air, and to send data or information thereto.

In the context of the invention, communication means for the exchange of information may include communication devices for mobile radio networks (LTE, UMTS, etc.), communication devices for WLAN networks,

Communication devices for LAN networks and / or

Communication devices for telephone and DSL networks. Data or information that is sent and / or received is preferably information about the traffic volume, information on air pollution and / or information about the operating state of the device.

In an advantageous embodiment of the device according to the invention it is provided that it comprises means for determining an air pollution 13 - and / or means of determination

Traffic characteristic characterizing size and / or means for determining a sound level as an input to the

Control unit has. This advantageously makes it possible to regulate the cleaning performance of the device as a function of air pollution, as a function of the traffic volume and / or the noise or sound level, and to achieve a desired purity of the air, taking into account the current conditions. Controlling the cleaning performance of the device as a function of the air pollution is advantageous because the cleaning performance of the device is adapted in this way to the current air pollution. This means that in the case of high levels of air pollution, it should be cleaned as much as possible at full power, while at lower levels of air pollution, a reduction in cleaning performance is possible to save energy. It is advantageous to regulate the cleaning performance of the device as a function of the traffic volume, that is to say as a function of the number of motor vehicles passing through the device per unit of time, since motor vehicles are the primary cause of air pollution, especially in city centers. The

To regulate cleaning performance of the device as a function of the sound level is advantageous because at certain times of the day, especially at night, certain sound level limits should not be exceeded against the background of a possible noise pollution. The means for determining a size indicative of air pollution are preferably sensors for measuring particulate matter concentration, sensors for measuring carbon dioxide concentration, and

Sensors for measuring the nitrogen oxide concentration in the air. Furthermore, the means for determining a variable characterizing the air pollution preferably also sensors for determining the wind direction, the oxygen content, the temperature and / or the - 14 -

Include Luttteuchte. The means of determining a

Traffic-characterizing size are preferably light barriers, radar sensors, laser scanners and / or cameras. Traffic information services, similar to those of navigation systems, can also be used. The means for determining a sound pressure are preferably sound level meters and / or microphones.

With respect to the arrangement, the object is achieved by an arrangement of the type mentioned, in which at least some of the devices are designed to exchange data with each other and / or that an arrangement control unit for regulating a cleaning performance of the arrangement is provided, wherein at least some of the devices for data exchange with the

Arrangement control unit are formed. This is the

Arrangement advantageously on the one hand for a data exchange between the devices and on the other hand for a data exchange with an arrangement control unit, which can regulate the cleaning performance of the devices formed. The data exchange

with each other, for example, with communication devices for mobile networks (LTE, UMTS, etc.), communication devices for WLAN networks, communication devices for LAN networks and / or

Communication devices for telephone and DSL networks done. Data or information that can be exchanged with each other is preferably information about the volume of traffic,

Air pollution measurements, climatic measurements, traffic information and / or information on the operating state of the devices, such as the current fan power. The arrangement control unit, preferably an industrial PC with a communication device for data exchange via mobile networks, is also designed to receive the information. The

Arrangement control unit can either in one of the devices - 15 - or be placed independently of the devices at any place.

In an advantageous embodiment of the arrangement according to the invention is provided that it has air pollution measuring means for providing an air pollution characterizing input to the arrangement control unit. In this way, the arrangement is advantageously designed to regulate the cleaning performance of the devices as a function of the measured values determined with the air pollution measuring means, since the measured values of the

Air Pollution Measuring Instruments Input variables of

Arrangement rule unit. The air pollution measuring means may preferably be sensors for measuring the fine dust concentration, sensors for measuring the carbon dioxide concentration and / or sensors for measuring the nitrogen oxide concentration in the air.

In addition, the air pollution measuring means may preferably also include sensors for determining the wind direction, the oxygen content, the temperature and / or the humidity. The sensors can be mounted on the devices as well as mounted independently of the device, for example on air flow stations, buildings, traffic lights, traffic signs and / or the arrangement control unit.

A further advantageous embodiment of the arrangement according to the invention provides that it has vehicle detection means for providing an input variable characterizing the traffic volume for the arrangement control unit. As a result, the arrangement is advantageously designed to regulate the cleaning performance of the devices of the arrangement as a function of the traffic and to achieve a desired purity of the air, taking into account the current conditions. The cleaning performance of the device in - 16 -

Depending on the number of motor vehicles passing through the device per unit of time, it is advantageous to regulate the traffic volume, since automobiles are the primary cause of air pollution, especially in city centers. An advantage of the exchange of traffic information between the devices and / or with the arrangement control unit is that a high volume of traffic in the immediate vicinity of a

Vehicle detection means may result in an increased volume of traffic in a device for purifying air, if it is known that the motor vehicles will pass the device due to the course of the road. In this case, the cleaning performance of the device can be increased even before the arrival of motor vehicles. The vehicle detection means are preferably light barriers,

Radar sensors, laser scanners and / or cameras. These may either be mounted on the devices or mounted independently of the devices, for example at traffic monitoring stations, buildings, traffic signs and / or the arrangement control unit. Also

Traffic information services, similar to those of navigation systems, can be used as vehicle detection means. A further advantageous embodiment of the arrangement according to the invention provides that the arrangement control unit has server means to provide data of the vehicle detection means and / or data of Luftverschmutzungsmessmittei in a data network. In this way, the arrangement control unit is designed to provide the data of the vehicle detection means and / or the data of the air pollution measuring means in a data network, so that they can be further processed by data network users or participants in a variety of ways data processing. Thus, it is possible, for example, information about the current traffic volume and / or the current air pollution in the data network For example, joggers and cyclists, based on a corresponding data-related evaluation, can plan an optimal running or travel route that is as stress-free as possible. In an advantageous embodiment of the arrangement according to the invention it is provided that the arrangement control unit is designed to required cleaning utilities of the devices based on the data of the Fahrzeugdetektionsmittei and / or the data of

Determine air pollution measuring equipment and send it to the

To transmit devices. As a result, the arrangement is advantageously designed to regulate the cleaning performance of the devices as a function of the traffic volume and / or as a function of the air pollution. It is advantageous to regulate the cleaning performance of the devices as a function of the traffic volume, that is, as a function of the number of motor vehicles passing through the device per unit of time, since motor vehicles are the primary cause of air pollution, especially in city centers. The

Cleaning performance of the devices as a function of

Controlling air pollution is advantageous because the cleaning performance of the devices is adjusted in this way to the current air pollution. That means that in case of a high

Air pollution should be cleaned at full power as much as possible, while at lower levels of air pollution a reduction in cleaning performance is possible to save energy. A further advantageous embodiment of the invention

Arrangement provides that the arrangement control unit is designed on the basis of the data of the vehicle detection means and / or the data of the air pollution measuring means a

To calculate traffic management, in which the air pollution a - 18 -

Air pollution maximum value does not exceed and / or minimal fails. To make sure that certain

Air pollution maximum values are not exceeded, the arrangement control unit is adapted to based on the data of the vehicle detection means and / or the data of

Air pollution measuring devices to calculate alternative traffic routes, which result in less air pollution. For this purpose, for example, measures such as changing traffic light circuits, temporary blockages of roads and temporary facilities of one-way streets can be taken.

In a further advantageous embodiment of the arrangement according to the invention it is provided that the arrangement control unit is adapted to calculate on the basis of the data of the vehicle detection means and / or the data of the air pollution measuring means installation locations of the devices for purifying air, in which an optimal air purification result is achieved. To that

To optimize the air purification result, the arrangement control unit is designed to calculate an optimal geographical arrangement, that is to say optimal installation locations, of the devices of the arrangement in order to achieve the best possible conditions under the given conditions

To achieve cleaning effect of the air. Based on the calculated locations of the individual devices can then

Repositioning of the devices are made. Another advantage is that it is often assumed that certain conditions, such as the traffic at certain times of the day, will be repeated, so that repositioning can already be made with a certain lead, as conclusions from the experiences or past measurements on future events can be. - 19 -

In an advantageous embodiment of the arrangement according to the invention it is provided that at least one device according to one of

Claims 1 to 24 is formed. Also embodiments of the arrangement, in which unterscniedliche versions of the devices for

Cleaning of air, in particular mobile characteristics, characteristics with deflected air flow and characteristics with between the

Filter means arranged fans, are combined, are possible within the scope of the invention.

With respect to the software-based application, the object underlying the invention is achieved by a software-based application of the type mentioned, which is for communication with at least one control unit of a device for purifying air, preferably according to one of claims 10 to 11, and / or for communication with a Arrangement control unit of an arrangement of devices for purifying air, preferably formed according to one of claims 25 to 31. As a result, the software-based application is advantageously for communication with the

Control units of a device for purifying air and / or for communication with an arrangement control unit of an arrangement of devices for purifying air formed. The communication may be, for example, with communication devices for mobile radio networks (LTE, UMTS, etc.), communication devices for WLAN networks,

Communication devices for LAN networks and / or

Communication devices for telephone and DSL networks done. Data or information that can be communicated with one another is preferably information about the traffic volume,

Air pollution measurements, climatic measurements, information on the operating state of the devices, such as the current

Fan power, and / or control commands for the fans of the devices. 20

In an advantageous embodiment of the invention

The software-based application is intended to be used for the provision and / or presentation of information on air pollution and / or for the provision and / or presentation of information on

Traffic is formed. As a result, the software-based application is designed to provide users with information about the current traffic volume and / or the current air pollution at different installation locations and / or present it. In this way, for example, joggers and

Cyclists plan an optimal, least stressful running or driving route.

In a further advantageous embodiment of the inventive software-based application is provided that it is designed to control a device for cleaning air and / or for controlling an arrangement of devices for cleaning air. In this way, the software-based application for easy control of devices for cleaning air and / or

Arrangements of devices designed to purify air. This makes it particularly easier for operators of devices for cleaning of air, such as city authorities, to control the devices and disable them, for example, at short notice for maintenance purposes and or Umpositioniervorgänge.

Embodiments of the invention are explained below with reference to the drawings. Functionally identical parts are provided with the same reference numerals. The figures of the drawings show in detail: - 21

Figure 1: a schematic representation of an embodiment of the device according to the invention for the purification of air in side view - mobile air cleaner;

Figure 2 is a schematic representation of an embodiment of the inventive arrangement of devices according to the invention for the purification of air along a road in plan view;

Figure 3: a schematic representation of an embodiment of the inventive arrangement of devices according to the invention for the purification of air in a city in plan view;

4 shows a schematic representation of a further embodiment of the device according to the invention for the purification of air in sectional view - combination filter unit; 5 shows a schematic representation of a further embodiment of the device according to the invention for the purification of air in a perspective view - mobile city air purifier comprising three combination filter units according to FIG. 4;

6 shows a schematic representation of a further embodiment of the device according to the invention for the purification of air in a perspective view - city air purifier in housing design;

FIG. 7: side view of the embodiment of FIG

device according to the invention for the purification of air according to Figure 6 - city air purifier in housing design; - 22 - r L

- - .. _{* 5} representation of another Aus ^ _ of the device according to the invention for the purification of air in sectional view - combination filter unit horizontally with Luftumlenkeinheit;

9 shows a schematic representation of a further embodiment of the device according to the invention for the purification of air in perspective view - mobile Stadtiuftreiniger comprising three combination filter units according to Figure 8;

FIG. 10 shows a schematic representation of a further embodiment of the device according to the invention for the purification of air in sectional view - combination filter unit vertically with air deflection unit;

11 shows a schematic representation of a further embodiment of the device according to the invention for the purification of air in a perspective view - mobile city air purifier comprising three combination filter units according to FIG. 10.

Figure 1 shows a schematic representation of an air cleaning unit 1 in side view. Contaminated air 21 of the environment occurs over the

Air inlet 3 in the housing 2 of the air cleaning unit 1 a. The air 21 is conveyed by means of a fan 6 through a fine dust filter 4 and an activated carbon filter 5, wherein the air through the two filters of pollutants, such as fine dust and nitrogen oxides, is cleaned. The air 21 is then conveyed by means of the fan 6 via an exhaust air flow generator 7 through the air outlet 8 back into the environment of the air cleaning unit 1. The air cleaning unit 1 has a

Control unit 9, based on an industrial PC, which controls all functions of the air cleaning unit 1, such as

Fan power, energy management and / or communication with - 23 - peripheral units, takes over. The air cleaning unit 1 is presently placed on a paved road 10. For transport, the air cleaning unit 1 has a chassis 11, which has both wheels 12 for driving or rolling and nozzle 13 for a stable state. For self-sufficient operation without external power connection, the air cleaning unit 1 has a photovoltaic system 14 which is mounted on the housing 2 of the air cleaning unit 1 and generates electricity for a given solar radiation. Also, the air cleaning unit 1 has a power connection 15, via which an external power source for operating the air cleaning unit 1 can be connected. In addition, a battery 16 is mounted on the housing 2, which can store the electrical energy generated by the photovoltaic system 14. This can be used to operate the

Air purification unit 1 can be used. In order to be able to determine the contamination of the air 21 both at the air inlet 3 and at the air outlet 8, the air cleaning unit has fine dust sensors 17 and nitrogen oxide sensors 18 both at the air inlet 3 and at the air outlet 8.

In order to be able to determine the current traffic volume, a traffic camera 20 is located on the housing, which detects all passing motor vehicles. The current sound level is also recorded with a sound level meter (26). For the communication, the air cleaning unit has a communication device for mobile networks (LTE) 19, with which the control unit 9 information with peripheral units, eg. B. other air purification units and / or decentralized controls, can exchange.

Figure 2 shows a schematic representation of an arrangement of several air cleaning units 1 along a road in plan view. The

Air cleaning units 1 are present along one of

Vehicles 22 road 23 set up. The - 24 -

Air purification units 1 communicate by means of their

Communication equipment for mobile networks (LTE) 19 with the

Arrangement control unit 24. Also located on the road a decentralized air measuring unit 25, which determines by means of a particulate matter sensor 17 and a nitrogen oxide sensor 18 air readings and this with a communication device for mobile networks (LTE) 19 to the

Arrangement control unit 24 communicates.

Figure 3 shows a schematic representation of an arrangement of a plurality of air cleaning units 1, air measuring units 25 and a

Disposition regulation unit 24 in a city on a city map in top view. The air cleaning units 1 and the air measuring units 25 are distributed over the entire imaged urban area and by means of the communication devices for mobile networks (LTE) 19 and the

Arrangement control unit 24 information technology linked together. FIG. 3 further clarifies that the fine dust sensors 17 and nitrogen oxide sensors 18 integrated in the individual air cleaning units 1 as well as the air measuring units 25

Air quality values for many locations. The same applies to those integrated in the individual air cleaning units 1

Traffic Cameras 20 provided traffic information.

Figure 4 shows a schematic representation of a

Combination filter unit 27 for an air cleaning unit in

Sectional view. Contaminated air of the environment 21 occurs over the air inlet 3 tapered with air guide plates 29 in the

Co-bin filter unit 27 a. By the baffles 29, the flow velocity of the sucked air 21 at the air inlet 3 in the region of the air intake surface 35 against the

Flow rate increases in the area of the flow area 36. The air 21 is by means of two parallel to the flow direction - 25 - side by side fans 6 through a pre-filter 28 and a fine particulate filter 4, in the present case a pocket filter, transported, the air 21 through the two filters of pollutants, in particular fine dust, is cleaned. The air 21 is then conveyed by means of the fans 6 through an activated carbon filter 5 via the air outlet 8 back to the environment of the combination filter unit 27. The fans 6 are installed between the fine dust filter 4 and the activated carbon filter 5 to the

To keep noise emissions of the combination filter unit 27 as low as possible. As explained in detail below, several

Combination fitter units 27 are combined to form an air cleaning unit.

Figure 5 shows a perspective view of a schematic representation of a mobile air cleaning unit 1. The air cleaning unit 1 comprises three combination filter units 27 of Figure 4, which on a

Chassis 11 are mounted with housing 3 and each having an air inlet 3 and an air outlet 8. The chassis 11 includes wheels 12, for example, to be transported by a motor vehicle. Likewise, the chassis 11 includes columns 13 to

For example, in a place where the air is to be cleaned, can be set up and compensate for unevenness in the ground. In the front part of the housing 3 of

Air cleaning unit 1 34 batteries 16 are arranged in a storage space, the combination filter units 27 of

Air cleaning unit 1, in particular the fans 6 of the

Combination filter units 27, see Figure 4, provide power. The batteries 16 are charged with fuel cells 30, which in turn are supplied by methanol tanks 30 with fuel, in the present case methanol.

Figure 6 shows a perspective view of a schematic representation of an air cleaning unit 1 in housing design, the three not - 26 - aargesteuie Comomauonsfiltereinheiten 27 of Figure 4 inside aes housing 2 includes. By means of height-adjustable supports 13, the air cleaning unit 1 is placed in a place where contaminated air 21 is cleaned. The contaminated air 21 of the environment penetrates via an integrated into the housing 2 air inlet 3 in the

Air purification unit 1, flows through the

Combination filter units 27, as described with reference to Figure 4, and thereafter re-enters through a built-in a hinged door 32

Air outlet 8 in the environment. In a storage space 34 of the

Air cleaning unit 1 are batteries 16, the

Combination filter units 27, in particular the fans 6 of the combination filter units, see Figure 4, supply power. The batteries 16 are charged with fuel cells 30, which in turn are supplied by methanol tanks 30 with fuel, in the present case methanol. Likewise, the batteries can be charged by a photovoltaic system 14, which is located on the housing 2 of the air cleaning unit 1.

FIG. 7 shows a side view of the air cleaning unit 1 from FIG. 6. As can be seen, the air cleaning unit 1 comprises an extension system 33 for inserting combination filter units 27 from FIG. 4 into the housing 2 of the air cleaning unit 1. For this purpose, a hinged door 32, which has a suction inlet 3, is opened. The pull-out system 33 facilitates both the insertion and the removal of

Combination filter units 27, since they are guided by the extension system 33. A maintenance of the combination filter units 27 is facilitated in this way with advantage. In a storage space 34 of

Housing 2 of the air cleaning unit 1, which is accessible through a hinged door 32, there are batteries 16, the

Combination filter units 27, in particular the fans 6 of the combination filter units, see Figure 4, supply power. The batteries 16 are charged with fuel cells 30, which in turn by - 27 -

Methanol tanks 30 with fuel, in the present case methanol, are supplied. Likewise, the batteries can be charged by a photovoltaic system 14, which is located on the housing 2 of the air cleaning unit 1.

Figure 8 shows a schematic representation of a

Combination filter unit 127 for an air cleaning unit in

Sectional view. 4, however, the air 21 is deflected 90 degrees by an air diverter 137 in front of the air outlet 108, so that the air 21 at the air outlet 106 is deflected by 90 degrees to the air flow direction in the housing 2 and to

Air flow direction at the air inlet 3 from the

Combined filter unit 127 is blown out. at

Proper use of the combination filter unit 127, this means that the air 21 is sucked horizontally at the air inlet 3 by means of the fans 6 in the combination filter unit 127 and Luftausiass 108 by means of the fans 6 vertically upwards, ie opposite to the gravitational field of the earth, from the

Combined filter unit 127 is blown out. In the present case, the air deflection unit 137 is welded together from four sheets to a box with two 90 degrees offset openings.

FIG. 9 shows a perspective view of a schematic representation of a mobile air cleaning unit 1

Air cleaning unit 1 essentially corresponds to the construction of the air cleaning unit from FIG. 5. Differing from the embodiment in FIG. 5, however, the air cleaning unit 1 comprises three

Combination filter units 127 of Figure 8, so that the air 21 at the air outlet 108 is deflected by 90 degrees deflected to the suction direction of the air 21 at the air inlet 3 from the combination filter unit 127. When the air cleaner 1 is used as intended, this means - 28 - that the air 21 horizontally at the air inlets 3 in the

Kombinationsfiitereinheiten 127 of the air cleaning unit 1 is sucked and blown vertically upwards, ie opposite to the gravitational field of the earth at the air outlets 108 from the Kombinationsfiitereinheiten 127 of the air cleaning unit 1.

FIG. 10 shows a schematic representation of a

Combination filter unit 227 for an air cleaning unit in

Sectional view. The construction corresponds to the combination filter unit 127 from FIG. 8. Contrary to the embodiment in FIG. 8, however, the combination filter unit 227 is not designed for a horizontal but a vertical operation. When the combination filter unit 227 is used as intended, this means that the air 21 at the air inlet 3 is sucked vertically upward, ie opposite to the gravitational field by means of the fans 6 into the combination filter unit 227 and is blown horizontally out of the combination filter unit 27 at the air outlet 208 by means of the fans 6.

Figure 11 shows a perspective view of a schematic representation of a mobile air cleaning unit 1. The structure of

Air cleaning unit 1 essentially corresponds to the construction of the air cleaning unit from FIG. 9. Deviating from the embodiment in FIG. 9, however, air cleaning unit 1 comprises three

Kombinationsfiitereinheiten 227 of Figure 10, so that the air 21 when used properly, the air cleaning unit 1 vertically upwards, ie opposite to the gravity field of the earth at the air inlets 3 in the Kombinationsfiitereinheiten 227 of

Air cleaning unit 1 sucked in and horizontally to the

Air outlets 208 from the Kombinationsfiitereinheiten 227 of

Air purification unit 1 is blown out. - 29 -

The following is the application of the device according to the invention for the purification of air, the arrangement of several devices for the purification of air and the software-based application for

Devices for cleaning air explained: The air cleaning unit 1 is, if available in the design, transported by means of the chassis 11 to the place of installation and positioned on the footprint, here a paved road 10, by means of the supports 13. Subsequently, the air cleaning unit 1 is connected by means of the power connector 15 to an external power source to bereitzu provide the electrical energy for operation, and in operation

taken. Insofar as no external power source is present or the air cleaning unit 1 has no power connection 15, the operation takes place by means of the photovoltaic system 14 and / or stored in the batteries 16 electrical energy, depending on the design either via a fuel cell 30, the power connector 15 or the Photovoltaic system 14 are loaded.

Once the air cleaning unit 1 has been put into operation, the ambient air 21 is conveyed by the fan (s) 6 via the air inlet 3 through the fine dust filter 4 and the activated charcoal filter 5 and cleaned of impurities such as fine dust and nitrogen oxides, the fan 6 or the fans 6 are installed in some designs between the fine dust filter 4 and the activated carbon filter 5. In some designs, a pre-filter 28 may be present. Along the air duct in the housing 2 of the air cleaning unit 1, the air 21 in some designs on a

Exhaust air generator 7 are conveyed, with which a part of the energy required for the transport of the air 21 is recovered.

Subsequently, the air 21 is discharged via the air outlet 8, 108, 208 back to the environment. - 30 -

During operation, measurements at the air inlet 3 and at the air outlet 8 with fine dust sensors 17 and

Nitrogen sensors 18 determined to the cleaning effect of

To be able to judge air cleaning unit 1. Also, during operation, data about the current traffic volume is continuously recorded by means of a traffic camera 20. Both the data of the traffic camera 20 and the measured values of the particulate matter sensors 17 and nitrogen oxide sensors 18 are transmitted to the control unit 9. The control unit 9 uses these data and measured values on the one hand for a traffic and air pollution controlled operation of the

Air purification unit 1. On the other hand, the control unit 9 transmits the data and measured values by means of the communication device for

Mobile network (LTE) 19 to the arrangement control unit 24. The arrangement control unit 24 also receives measurement data from other air cleaning units 1 and decentralized air measuring units 25, which are used on the one hand for coordinated operation of the air cleaning units 1 and on the other hand by means of in the

Arrangement control unit 24 integrated server users of a smartphone application are made available. Thus, various embodiments of a device for

Cleaning of air, in particular outdoors, an arrangement of a plurality of devices for cleaning air and a

software-based application, in particular smart phone application, specified for devices for purifying air, which is inexpensive and easy to use and allows the user to clean air at any time anywhere pollutants. - 31 -

LIST OF REFERENCE NUMBERS

1 air cleaning unit

2 housings

3 air intake

4 fine dust filter

5 activated carbon filters

6 fans

7 exhaust air wind generator

8 air outlet

9 control unit

10 asphalted road

11 chassis

12 wheels

13 columns

14 photovoltaic system

15 power connection

16 battery

17 fine dust sensor

18 nitrogen oxide sensor

19 Communication device for mobile networks (LTE)

20 traffic camera

21 air

22 motor vehicle

23 street

24 arrangement regulation unit

25 Decentralized air measuring unit

26 sound level meter

27 combination filter unit

28 pre-filters

29 Luftteitblech - 32 -

30 fuel cell

31 methanol tanks

32 double doors

33 pullout system

34 storage space

35 air intake surface

36 flow area

108 air outlet

127 Combination filter unit 137 Air deflection unit

138 air diverter unit entry surface

139 air deflection unit exit surface 208 air outlet

227 Combination filter unit 237 Air deflection unit

238 Air diverter entry surface 23Q Air diverting unit exit surface

Claims

- 33 -

1. A device for cleaning air, in particular in the outer region, comprising at least one housing (2), soft at least one air inlet (3), filter means (4, 5), at least one fan (6) and at least one air outlet (8, 108, 208), characterized in that they are transportable and on

different positioning locations is designed to be positioned.

2. Apparatus according to claim 1, dad u rch characterized in that it comprises means of transport (11), in particular a chassis (11) with wheels (12).

3. Apparatus according to claim 1 or 2, characterized in that the transport means (11) drive means (12), in particular by a motor driven wheels (12), aulweisen.

4. Device according to one of the preceding claims, characterized in that it is designed for autonomous mobility.

5. Device according to one of the preceding claims, characterized in that they energy supply means (7, 14, 15,

16, 30). 6. Device according to one of the preceding claims, characterized in that the energy supply means

Energy generating means (14, 30), in particular a

Photovoltaic system (14) and / or a fuel cell (30). 7. Device according to one of the preceding claims, characterized in urch that the energy supply means - 34 -

Energieanschlussmittel (15), in particular a power connection (15).

8. Device according to one of the preceding claims, dad urch in that the energy supply means

Energy storage means (16), in particular batteries (16), aulweisen.

9. Device according to one of the preceding claims, dad urch in that the energy supply means

Energy recovery means (7), in particular a

Abluflwindgenerator (7), exhibit.

10. Device according to one of the preceding claims, dad urch in that it comprises a control unit (9) for regulating a cleaning performance in response to an input variable, wherein the control unit (9) preferably

Communication means (19) for exchanging data with an external unit and / or a further device (1) for cleaning air (21).

11. Device according to one of the preceding claims, characterized in that it comprises means for determining a quantity (17, 18) characterizing the air pollution and / or means for determining a variable (20) characterizing the traffic volume and / or means for determining a sound level (26) as an input variable for the control unit. 35

12. Device according to the preamble of Anpruchs. 1

dad urch characterized in that a flow direction of the air at the air inlet (3) when used properly at right angles to a flow direction at the air outlet (8, 108, 208).

13. The device according to claim 12 dadu rch gekennzeich net that in the flow direction between the air inlet (3) and the

Air outlet (8, 108, 208) arranged Luftumlenkmittel (137, 237).

The device according to claim 3 or ⁴ is characterized in that an air center coolant entry surface (138, 238) is larger than an air deflector exit surface (139, 239), preferably

Air deflection means entrance surface (138, 238) about three times as large as the Luftumlenkmittelaustrittsfläche (139, 239).

^{1 5} device according to one of the preceding claims, dad urch in that the fan (6) is designed as a pipe fan and / or as a fan with adjustable disc armature motor and / or with backward curved blades.

16. Device according to one of the preceding claims, dadu rch geken nzeichnet that at least one of the fans (6) along a flow direction between the

Fine dust filter means (4) and the activated carbon filter means (5) and / or between the prefilter means (28) and the particulate matter filter means (4) is arranged.

17. Device according to one of the preceding claims, dad urch geke nnzeich net, that the air inlet (3) is formed tapered, so that an air intake surface (35) has a smaller cross-sectional area than a flow area (36). 36

18. Device according to the preamble of claim 1

characterized in that the filter means comprise first filter means (4) and second filter means (5) arranged along a flow direction downstream of the first filter means (4), the at least one fan (6) being arranged along the flow direction between the first filter means (4). and the second filter means (5) is arranged.

¹⁹ Device according to one of the preceding claims,

characterized in that the housing (2) the

Dimensions of a standard container. ²⁰ Device according to one of the preceding claims,

characterized in that the housing (2) at

intended use for a flow direction is formed horizontally to a footprint (10).

21. Device according to one of the preceding claims,

characterized in that the air inlet (3) of the

Housing (2) when used as intended at a height in the range 1.5 m to 2.5 m, preferably 2 m, above a footprint (10) can be arranged.

22. Device according to one of the preceding claims,

characterized in that the first filter means and / or the second filter means pre-filter means (28), particulate matter filter means (4) and / or activated carbon filter means (5). - 37 -

23. Device according to one of the preceding claims,

characterized in that the filter means (4, 5), in particular the prefilter means (28), comprise threads which have triboelectrically chargeable carriers by an air flow, which, in particular completely, with a one

hydrophobic coating material coating are provided.

24. Device according to one of the preceding claims,

characterized in that the filter means (4, 5), in particular the prefilter means (28), comprise threads which have a

Core, wherein the core has a coating comprising heat-activatable adhesive for materially bonding with itself or other threads, wherein the core has a higher melting point than the adhesive, wherein the coating comprises hydrophobic repellent.

- 38 -

25. Arrangement of several devices for cleaning air after. the preamble of claim 1, characterized

in that at least some of the devices (1) are designed to exchange data with each other and / or that an arrangement control unit (24) is provided for regulating a

Cleaning performance of the arrangement is provided, wherein at least some of the devices (1) for data exchange with the

Arrangement control unit (24) are formed. 26. Arrangement according to claim 25, characterized in that it comprises air pollution measuring means (17, 18) for providing an input variable indicative of the air pollution to the arrangement control unit (24) and / or vehicle detection means (20) for providing a traffic volume

characterizing input for the

Arrangement control unit (24).

27. Arrangement according to claim 25 or 26, characterized in that the arrangement control unit (24) comprises server means for data of the vehicle detection means (20) and / or data of the air pollution measuring means (17, 18) in a data network for

To make available.

28. Arrangement according to one of the preceding claims, characterized in that the arrangement control unit (24) is adapted to the required cleaning performance of the devices (1) on the basis of the data of the vehicle detection means (20) and / or the data of the air pollution measuring means (17, 18) and to transmit these to the devices (1).

29. Arrangement according to one of the preceding claims, characterized in that the arrangement control unit (24) is designed on the basis of the data of the vehicle detection means

(20) and / or the data of the air pollution measuring equipment (17, 18) to calculate a traffic guidance, with which the air pollution - 39 -

does not exceed an air pollution maximum and / or minimizes

30. Arrangement according to one of the preceding claims, characterized in that the arrangement control unit (24) is designed on the basis of the data of the vehicle detection means

(20) and / or the data of the air pollution measuring means (17, 18) to calculate locations of the devices for the purification of air (1), in which an optimal air purification result is achieved. 31. Arrangement according to one of the preceding claims, dad u rch geken characterized in that at least one device (1) according to one of claims 1 to 24 is formed.

32. Software-based application, in particular smart phone application, dad urch ge net nzeich that they to

Communication with at least one control unit (9) of a

Device (1) for cleaning air (21), preferably according to one of claims 10 to 11, and / or for communication with an arrangement control unit (24) of an arrangement of devices (1) for cleaning air (21), preferably after one of claims 2s to 31 is formed.

33. Software-based application according to claim 32 characterized

geke designated that it is designed for the provision and / or presentation of information on air pollution and / or for the provision and / or presentation of information on traffic volume.

34. Software-based application according to claim 32 or 33 ^, characterized in that it for controlling a device (1) for 40

Cleaning of air (1) and / or for controlling an arrangement of devices (1) for purifying air (21) is ausgeiidet