• 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:
    The invention relates to an outdoor housing with a cleaning device (14), comprising a housing (15), a power supply (16) guided through the housing (15), which is connected to an inverter (17) arranged inside the housing (15), and one connected to the inverter (17) and through the housing (15) guided current output (18). The housing (15) furthermore comprises a suction opening (19) arranged in the housing (15) and an outlet opening (20) arranged in the housing (15) and a fan (21) arranged in the housing (15) for generating one from the suction opening Finally, in the course of the air flow, a centrifugal separator (22) with a dirt outlet (29) and a cooling air outlet (26) is provided, which extends from the intake opening (22). 19) supplied air stream cleans. The cooling air outlet is connected to the inverter (17) and is cooled with the purified air flow. Alternatively or additionally, the fan (21) is designed as a radial fan, wherein a spiral housing (33) of the radial fan (21) comprises a dirt outlet (35).
    公开号:AT512446A1
    申请号:T762012
    申请日:2012-01-24
    公开日:2013-08-15
    发明作者:Juergen Graf；Mario Mitteregger；Albin Brandstaetter；Daniel Hochholzer
    申请人:Fronius Int Gmbh；
    IPC主号:
    专利说明:

    25 13:39:24 24-01-2012 5/28 • «« «♦« * ► • Μ * «* • · • ·» -1-
    The invention relates to an Outdorgehäuse or a cabinet with a housing, a guided through the housing power supply, which is connected to an inverter disposed within the housing and connected to the inverter and guided through the housing current output. Furthermore, the control cabinet comprises a suction opening arranged in the housing and a blow-out opening arranged in the housing and a fan arranged in the housing, which is provided for generating an air flow extending from the suction opening via the inverter to the blow-off opening for cooling.
    Switch cabinets of the type mentioned are basically known. In this case, the inverter arranged in the control cabinet obtains a current transformation from direct to alternating current or vice versa. In order to keep the inverter in a favorable temperature range, cooling air is guided over the same with the fan. In particular, the fan can be controlled or regulated depending on the temperature of the inverter. For example, it is activated or operated at increased power when the temperature of the inverter exceeds a threshold. Likewise, the fan is deactivated or operated at lower power when the temperature falls below a (preferably different) threshold. Of course, all kinds of regulations are conceivable here, in particular proportional regulations, differential equations, integral rules and combinations thereof. For example, such cabinets are used in the context of battery chargers, solar panels and welding equipment. 25 13:40:07 24-01-2012 6/28 · «♦ * # · -2-
    Thus, the inverter or other cooled units are not polluted by the cooling air] when the cabinet is issued in harsh environment, a filter in the flow of the cooling air can be arranged. The problem is that this contaminated with time and the cooling capacity drops. If this is not detected in time, the inverter may overheat and be damaged. To avoid this, therefore, special monitoring devices are often used to detect a dirty filter. Nevertheless, a filter change, especially in control cabinets time-consuming and thus costly, which set up in remote locations. Another way to prevent premature filter contamination is also not to choose the filter cloth too tight. Although this leads to the desired effect, but also to the fact that fine dust, which passes through the filter, settles in the cooling fins of an inverter. This then causes maintenance from time to time. Under certain circumstances, this is very time consuming because the inverter must be cleaned.
    The object of the invention is now to provide an improved outdoor housing / an improved control cabinet. In particular, maintenance intervals, which are caused by contamination in the cooling extended or maintenance can be avoided at all.
    The object of the invention is achieved with an outdoor housing / control cabinet of the type mentioned, in which: in the course of the air flow a centrifugal separator is provided with a dirt outlet and a cooling air outlet and / or the fan is designed as a radial fan and a spiral housing of the radial fan a dirt outlet and a cooling air outlet, which / which cleans the air flow supplied from the suction port, and wherein the cooling air outlet is connected to the inverter and cools this with the purified air flow. iinn ·) 4 M4 jjVn 13:40:54 24-01-2012 7 (2% »
    - 3 -
    In this way, the cooling air can be cleaned without the need for a filter with a filter medium. Thus, maintenance intervalles, which are caused by contamination in the cooling, can be extended or maintenance can be avoided at all.
    Under an "outdoor enclosure" is to be understood in the context of the invention, a housing that can be placed outdoors or in an area with impairing Umweltbdinungen. Such an area with high degree of contamination or high humidity may also be inside a building or even underground. Although an outdoor housing thus withstood umwettbedingungen, but is not necessarily placed outside of a building.
    Advantageous embodiments and developments of the invention will become apparent from the dependent claims and from the description in conjunction with the figures.
    Preferably, the outdoor housing / the control cabinet comprises an air filter arranged in the flow path of the air flow behind the centrifugal separator or volute casing of the fan. As a result, the KQhlluft can be cleaned even better because with the help of a filter dirt particles can be discarded, which pass through the centrifugal separator or the volute casing. Nevertheless, the filter or the filter medium in such an arrangement does not pollute as quickly as in cabinets known from the prior art.
    The outdoor housing / control cabinet preferably comprises a labyrinth separator arranged behind the centrifugal separator of the fan in the course of the air flow. The labyrinth separator offers another way to clean the cooling air. In contrast to a conventional filter no filter medium is needed. Therefore, the labyrinth separator usually does not need to be serviced. It is also advantageous that the labyrinth separator already operates at low flow rates. As a result, the cooling air can be effectively filtered, even with fluctuating volume flow, at low flow velocities, predominantly through the labyrinth separator higher Strömungsgeschwindikeiten mainly by the centrifugal separator or the radial fan. A fluctuating volume flow can arise, for example, when the temperature of the inverter is regulated and the fan is the actuator. If the inverter gets hotter, the power of the fan and thus the volume flow are increased. It is favorable if the centrifugal separator comprises at least one cyclone. This is a particularly simple but also effective design of a centrifugal separator. A control cabinet with such a centrifugal separator can therefore be manufactured inexpensively.
    It is advantageous if the dirt outlet of the centrifugal separator or of the spiral housing of the blower or a dirt outlet of the labyrinth separator is connected to a dirt collecting container arranged in the housing, in particular with a common dirt collecting container. In this way, the segregated dirt is collected and can be disposed of as needed. Depending on the size of the dirt collecting container, more or less long maintenance intervals result.
    It is particularly advantageous if the dirt outlet of the centrifugal separator or of the spiral housing of the blower or a dirt outlet of the labyrinth separator is connected to a drain led outward through the housing. In this variant, the dirt is even conveyed out of the SchaK cabinet, so that it is largely maintenance-free.
    Preferably, the outdoor enclosure / cabinet includes a monitoring device configured to detect a dirty air filter and / or a full debris tray and / or clogged drain. For this purpose, for example, the differential pressure at the air filter, the differential pressure at the blower and / or the speed of the fan can be measured. If the parameters indicate an increased flow resistance at the filter, an alarm is triggered, for example. The monitoring device may alternatively or additionally also be set up to detect a full dirt collecting container. For this purpose, for example, the level can be measured in said dirt collecting container. If the level exceeds a certain threshold, an alarm is triggered again. In addition, a level sensor may also be mounted in the region of a dirt removal tube in order to detect a blockage thereof.
    It is advantageous if the inverter is part of a welding power source arranged in the housing and the current output is connected to a welding gun or can be connected or - the inverter is part of a arranged in the housing
    Battery charger is and the power output is connected to an accumulator or is connectable or the inverter is part of a housing arranged in the solar system-Betriebsseektrik and the power supply to a solar power generator and the power output is connected to a power supply network or is connectable.
    The presented air purification is particularly suitable for
    Outdoor enclosures / control cabinets located in locations where increased air pollution is expected. The advantage of the invention also occurs in particular when the control cabinet is placed in a remote location and the maintenance of the cabinet is therefore time-consuming and costly alone because of the arrival.
    For example, these requirements apply to control cabinets for regenerative power generation plants (e.g., solar panels) which are located in the desert and are affected by sand. The said operating electronics include, for example, regulators which hold the photovoltaic modules at an optimum operating point (for example the maximum power point) and / or a controller for tracking the modules according to a current position of the sun. uin44n4jnn 25 13:43:16 24-01-2012 10/28 -6-
    However, the aforementioned conditions also apply to a control cabinet which contains a battery charger and, for example, is part of a charging station for electric motor vehicles in an exposed location.
    Finally, the proposed air purification but also for cabinets that are used in the industrial environment, for example, a control cabinet, which is provided for a welding machine.
    For a better understanding of the invention, this will be explained in more detail with reference to the following figures.
    1 shows a schematic overview of an inverter of a photovoltaic system;
    Fig. 2 is a schematic diagram of an outdoor housing / cabinet with
    Blower and a centrifugal separator upstream of the blower;
    Fig. 3 is an oblique view of an outdoor housing / cabinet with a centrifugal separator;
    4 shows the operation of a cyclone;
    Fig. 5 shows an example of a labyrinth and
    Fig. 6 is a radial fan with a dirt outlet in the spiral housing.
    By way of introduction, it should be noted that in the differently described embodiments, the same parts are provided with the same reference numerals and the same component names, the disclosures contained throughout the description can be mutatis mutandis to the same parts with the same reference numerals or component names. Also, the location information chosen in the description, such as top, bottom, side, etc. related to the immediately described and illustrated figure and are to be transferred to the new situation mutatis mutandis when a change in position. Furthermore, individual features or combinations of characteristic combinations of the shown and described different embodiments may be used for purposes of illustration and description represent independent, inventive or inventive solutions. All statements on ranges of values in the description of the present invention should be understood to include any and all sub-ranges thereof, e.g. is the statement 1 to 10 to be understood that all sub-areas, starting from the lower limit 1 and the upper limit 10 are included, ie. all subregions begin with a lower limit of 1 or greater and end at an upper limit of 10 or less, e.g. 1 to 1.7, or 3.2 to 8.1 or 5.5 to 10.
    FIG. 1 shows a structure of a known inverter 1, in detail of an HF inverter. Since the individual components or components and functions of inverters 1 are already known from the prior art, they are not discussed in detail below.
    The inverter 1 has at least one input DC-DC converter 2, an intermediate circuit 3 and an output DC-AC converter 4. At the input DC-DC converter 2, a power source 5 or a power generator is connected, which are preferably formed from one or more parallel and / or series-connected solar modules 6. The inverter 1 and the So-larmodule 6 are also referred to as a photovoltaic system or as a PV system The output of the inverter 1 and the output DC-AC converter 4 can be connected to a supply network 7, such as a public or private AC mains or Multi-phase network, and / or be connected to at least one electrical load 8, which is a load connected. For example, a consumer 8 is formed by an engine, refrigerator, radio, and so on. Likewise, the consumer 8 can also represent a home care. The individual components of the inverter 1, such as the input DC-DC converter 2, etc., may be connected to a control device 10 via a data bus 9.
    Preferably, such an inverter 1 serves as a so-called grid-connected inverter 1, whose energy management is then optimized, preferably 25 13:44:47 24-01-2012 12/28
    -8-much energy in the supply network 7 feed. As is known from the prior art, the consumers 8 are supplied via the supply network 7. Of course, a plurality of inverters 1 connected in parallel can also be used. As a result, more energy for operating the consumer 8 can be provided.
    This energy is supplied by the power source 5 in the form of a DC voltage, which is connected via two connecting lines 11,12 with the inverter 1
    The controller 10 or the controller of the inverter 1 is formed for example by a microprocessor, microcontroller or computer. By means of the control device 10, a corresponding control of the individual components of the inverter 1, such as the input DC-DC converter 2 or the output DC-AC converter 4, in particular the switching elements arranged therein, can be carried out. In the control device 10 for this purpose, the individual control or control processes are stored by appropriate software programs and / or data or characteristics.
    Furthermore, control elements 13 are connected to the control device 10, by means of which the user can, for example, configure the inverter 1 and / or display operating states or parameters-for example by means of light-emitting diodes-and emit. The operating elements are connected, for example, to the data bus 9 or directly to the control device 10. Such controls 13 are arranged for example on a front of the inverter 1, so that an operation from the outside is possible. Likewise, the controls 13 may also be arranged directly on assemblies and / or modules within the inverter 1.
    Flg. 2 shows a schematic diagram of an outdoor housing / cabinet 14 having a housing 15, a power supply 16 routed through the housing 2, which is connected to an inverter 17 disposed within the housing 15, and a power output connected to the inverter 17 and a current output through the housing 15 18. Furthermore, the
    ΜΊΑ4 4 A4 4M 25 13:45:34 24-01-2012 13/28 »» · · · · · · · · · · * · · m · > · · · »* ·· *** · -9-
    Control cabinet 14 has a suction opening 19 arranged in the housing 15 and a blow-out opening 20 arranged in the housing 15 and a blower 21 arranged in the housing 15. The blower 21 is used to generate an air flow extending from the suction opening 19 via the inverter 17 to the blow-out opening 20, which is through a Zuluftpfeil and an exhaust air arrow is visualized, provided. Finally, in this example, a centrifugal separator 22 is provided with a dirt outlet in the course of Lüftstroms.
    In this way, the inverter 17 is cooled with clean cooling air, as sucked dirt particles are separated out above the centrifugal separator 22. The cooling is thus largely maintenance-free, since the components arranged in the course of the air flow, in particular the inverter 17, do not become soiled quickly and the cooling effect thus remains over a long period of time.
    The air flow is open in the region of the inverter 17 in this example, that is without a channel out. In this way, the inverter 17 is particularly easy to access. Of course, the air flow can also be performed within a channel via the inverter 17. Finally, it is also possible to generate an air flow through the housing 15 of the cabinet 14, in which the suction port 19 and the exhaust port 20 are easily arranged opposite each other and one of the two are connected to the blower 21. This results in a cross-flow through the control cabinet 14, without any special guidance of the air flow through channels or pipes, in the course of the inverter 17 is arranged and thus cooled. Finally, for the sake of completeness, it is also noted that other components to be cooled than the inverter 17 can be arranged in the course of the air flow, for example motors or microprocessors.
    Finally, it is noted that the inverter 17 does not necessarily have to be connected directly to the power supply 16 and / or the power output 18. Of course, in the course of the current still other assemblies be seen, for example, filter circuits, PFC circuits (Power Factor Correction), Fiiterkondensatoren and much more.
    In the example shown in FIG. 2, an optional air filter 23 is arranged in the flow path of the air flow behind the Fiiehkraftabscheider 22 to auszusondem dirt particles from the air stream, which are not excreted by the centrifugal separator 22. The cooling air is thus even cleaner or the cooling air can be effectively cleaned even at comparatively low flow velocity, making the cabinet is less loud overall.
    In FIG. 2, an optional monitoring device 24 is additionally provided, which is set up to detect a polluted air filter 23. For this purpose, for example, the differential pressure at the air filter 23, the differential pressure at the blower 21 and / or the rotational speed of the blower 21 are measured. If the parameters indicate an increased flow resistance at the filter 23, a signal lamp 25 is activated, for example. Of course, an alarm via a Femmeldeeinrichtung is possible, which is particularly advantageous if the cabinet 14 is installed at a remote location.
    The monitoring device 24 may alternatively or additionally also be configured to detect a full dirt collecting container, which is connected to the centrifugal separator 22. For this purpose, for example, the level can be measured in said dirt collecting container. If the level exceeds a certain threshold, an alarm is triggered again.
    The advantage of the dargesteilten outdoor housing / cabinet 14 is that this can run maintenance-free for a long time because of the Fiiehkraftabscheider 22, since this does not pollute per se. Only a dirt collector should be emptied from time to time. Even if a filter 23 (for example, a filter fleece) is provided, only comparatively long maintenance intervals are required for the control cabinet 14, since a large part of Schmutzpartikei are separated out by the Fiiehkraftabscheider 22 and the filter 23 therefore only relatively slowly polluted. N2011 / 21400 25 13:47:12 24-01-2012 15/28
    -11-
    The centrifugal separator 22, as shown in Fig. 3, for example, as a cyclone separator (short "cyclones") may be formed. In this case, air is sucked in via an intake opening 19, set in rotation in the cyclone 22 and passed on cleaned via the exhaust port 26. The separated dirt falls into a dirt outlet of the cyclones 22 and can be forwarded to a dirt collecting container or, as shown in FIG. 3, discharged via a drain 27 led through the housing to the outside. Because of the sequence 27, the maintenance intervals for this cabinet 14 are particularly long, since no dirt catcher needs to be emptied.
    Since, in principle, there is also the possibility here that the drain 27 is laid, beiptelsweise by animals or segregated dirt which accumulates in the region of the drain 27, it is also advantageous in this variant to provide a level detector in the course of Schmutzabführrohrs 28 and with a Monitoring device 24 to connect.
    Air is sucked in via the intake opening 19, rotated in the cyclone and then passed on cleaned via the exhaust port 26. Separate dirt 30 is stored in this example in a dirt collecting container 29.
    Instead of a filter 23 with a filter medium or in addition to it, a labyrinth separator 31 can also be used, as shown for example in FIG. 5. In this case, sucked air is passed through a labyrinth, for example, discarded by means of channels and dirt deposited on the bends. This is collected and discharged via a drain pipe 32. Advantageously, this separator 31 is largely maintenance-free because of a lack of Fittermediums. Of course, Fig. 5 shows only one of many possible embodiments of a Labyrinthabscheiders 31. Other designs can be used but equivalent. In particular in combination with a cyclone 22, there are special advantages, since it can separate out larger dirt particles or only works effectively at relatively high flow velocities, whereas the load can be reduced ···· -12-byrinthabscheider 31 works even at low flow velocities and also separates out finer particles of dirt. As a result, the cooling air can be filtered effectively even with fluctuating volume flow, at low flow velocities mainly through the labyrinth separator 31, at higher Strömungsgeschwindikeiten mainly by the cyclones 22. A fluctuating volume flow, for example, arise when the temperature of the inverter 17 is controlled and the fan 21st the actuator is. If the inverter 17 becomes hotter, then the power of the fan 21 and thus the volume flow is increased.
    Pig. Finally, FIG. 6 shows a further possibility for separating out dirt from an air flow. In addition to or instead of a centrifugal separator 22, the fan 21 may be formed as a radial fan whose volute casing 33 comprises a dirt outlet. In a manner known per se, an air flow in a radial fan 21 is set in rotation by an impeller 34 in the volute casing. This effect can also be exploited to clean the transported air, in which the outwardly depressed dirt particles 30 are abgegefQhrt by a Schmutzauslaus 35. If such a blower 21 is provided instead of a centrifugal separator 22, the structure of the control cabinet 14 is particularly simple.
    The presented air cleaning is particularly suitable for outdoor enclosures / cabinets 14, which are displayed in locations where increased air pollution is expected. The advantage of the invention also occurs especially when the cabinet 14 are displayed in a remote location and the maintenance of the cabinet 14 is therefore time-consuming and costly alone because of the arrival.
    For example, these requirements apply to cabinets 14 for regenerative power generation plants (e.g., solar panels) that are set up in the desert. Such a solar system usually includes a power generator, for example, a plurality of photovoltaic modules, and a control cabinet 14, which includes the Solaraniagen-Betriebelektroektrik (see also N / iii / 2i4nn 25 13:48:51 24-01-2012 17 / 28 ·· > · ·· -13-
    Fig. 1). To this operating electronics include, for example, regulators that hold the photovoltaic modules in an optimal operating point (eg the maximum power point), and a controller for tracking the modules according to a current position in the sun and in particular an inverter 17. The power supply 16 is connected to the photovoltaic modules and the current output 18 to be supplied with a power grid, so that the DC voltage of the photovoltaic modules in one for the power grid (usually required) AC voltage converts.
    However, the aforementioned conditions also apply to a control cabinet 14, which includes a battery charger and, for example, part of a Stromtank-site for electric vehicles at an exposed location is the power supply 16 is connected to a power grid and the power outlet 18 with a battery to be charged. The inverter 17 converts the AC voltage of the network into a DC voltage required for the charging process.
    Finally, the presented air cleaning but also for cabinets 14, which are used in the industrial environment, for example, a control cabinet 14, which is provided for a welder is the inverter 17 is part of a arranged in the housing 15 welding power source, the current output 18 with a welding gun is connected or connectable
    The Ausführungsbeispieie show possible embodiments of a cabinet 14 according to the invention, it being noted at this point that the invention is not limited to the specifically illustrated embodiments thereof, but also various combinations of the individual embodiments are possible with each other and this variation possibility due to the teaching of technical action by objective invention in the skill of those skilled in this technical field. So there are also all conceivable embodiments that by combinations 25 13:49:36 24-01-2012 18/28
    -14-individual details of the illustrated and described embodiment variant are possible, including the scope of protection
    In particular, it is noted that a cabinet 14 may in reality also comprise more components than illustrated, typically electronic controls and / or controls, contactors, power supply units, controls and displays, and the like.
    It can therefore be said that for cleaning the cooling air, a centrifugal separator 22 is arranged in the housing 15 and desen air outlet inside the housing 15 for cooling the components, in particular the inverter 17 ends, the air inlet from the housing 15 to the outside for the intake of air leads, and that a dirt outlet 29 of the centrifugal separator 22 terminates in a container or out of the interior of the housing to the outside.
    For the sake of order, it should finally be pointed out that for a better understanding of the construction of the control cabinet 14, this or its components have been shown partially unevenly and / or enlarged and / or reduced in size.
    The task underlying the independent inventive solutions can be taken from the description.
    U * HM4M4 4M 25 13:52:04 24-01-2012 22/28 25 13:52:04 24-01-2012 22/28 • «· · · ·« «* · • · * · · ·» · * * * * * * «* * * * * * * * · * * * * * * * * Φφ ··
    Reference Number 1 Inverter
    2 input DC-DC 3 DC link
    4 Output DC-DC 5 Energy source 6 Solar modules 7 Mains 8 Consumers 9 Data bus 10 Control unit 11 Connecting cable 12 Connecting cable 13 Operating element 14 Control cabinet 15 Housing 16 Power supply 17 Inverter 18 Current output 19 Suction opening 20 Suction opening 21 Blower 22 Centrifugal separator 23 Filter 24 Monitoring device 25 Signal lamp 26 Exhaust air opening 27 Drain 28 Dirt removal pipe 29 Dirt collector 30 Dirt particles 31 Labyrinth separator 32 Drain pipe 33 Spiral housing 34 Impeller 35 Dirt outlet Ν9η4 4 # 944ΛΛ
    权利要求:
    Claims (10)
    [1]
    25 13:50:14 24-01-2012 19/28 ** »··· · · *

    1. Outdoor housing with a cleaning device (14), comprising a housing (15), a guided through the housing (15) power supply (16), which with a disposed within the housing (15) Inverter (17) is connected to the inverter (17) connected and through the housing (15) guided current output (18) arranged in the housing (15) suction port (19) and in the housing (15) arranged exhaust opening (20 ) and in the housing (15) arranged blower (21) which is provided for generating a from the suction port (19) via the inverter (17) to the exhaust opening (20) extending air flow for cooling, characterized in that in the course of the air flow a centrifugal separator (22) having a dirt outlet (29) and a cooling air outlet (26) and / or a spiral housing (33) arranged in the course of the air flow with a radial blower (21) having a dirt outlet (29) and a K ühlluftauslass (26) is provided, wel-cher / which cleans the air flow supplied by the Ansaugüffnung (19), and that the Kühliuftausiass is connected to the inverter (17) and cools this with the purified air flow.
    [2]
    2. Outdoor housing (14) according to claim 1, characterized by a in Strömungsverfauf the air flow behind the Fiiehkraftabscheider (22) or volute casing (33) of the blower (21) arranged air filter (23).
    [3]
    3. Outdoor housing (14) according to claim 1 or 2, characterized by a labyrinth separator (31) arranged downstream of the centrifugal separator (22 or volute casing (33) of the blower (21) in the course of the flow of air.) N2011 / 21400 25 13:50:56 24 -01-2012 20/28

    * · »··· * · · ·« * · »··· * · ♦ ** -2-
    [4]
    4. outdoor housing (14) according to one of claims 1 to 3, characterized in that the centrifugal separator (22) comprises at least one cyclone.
    [5]
    5. Outdoor housing (14) according to one of claims 1 to 4, characterized in that the dirt outlet of the centrifugal separator (22) or the Spiraigehäuses (33) of the blower (21) and / or dirt outlet (32) of the Labyrinthabscheiders (31) with a in the housing (15) arranged dirt collecting container (29) is connected.
    [6]
    6. outdoor housing (14) according to one of claims 1 to 4, characterized in that the dirt outlet of the centrifugal separator (22) or the spiral housing (33) of the blower (21) and / or a dirt outlet (32) of the Labyrinthabscheiders (31) a through the housing (15) outwardly guided drain (27) is connected
    [7]
    7. Outdoor housing (14) according to any one of claims 2 to 6, characterized by a monitoring device (24) which is adapted to a polluted air filter (23) and / or a full dirt collecting container (29) and / or a clogged flow (27 ) to delect.
    [8]
    8. outdoor housing (14) according to one of claims 1 to 7, characterized in that the inverter (17) is part of a housing in the (15) arranged welding power source and the current output (18) connected to a welding gun or connectable
    [9]
    9. outdoor housing (14) according to one of claims 1 to 7, characterized in that the inverter (17) is part of a housing (15) arranged battery charger and the current output (18) is connected to an accumulator or is connectable.
    [10]
    10. Outdoor housing (14) according to one of claims 1 to 7, characterized in that the inverter (17) is part of a housing (15) N2 Ql 1/21400 25 13:51:40 24-01-2012 21/28

    3-arranged solar plant operating electrical and the power supply (16) is connected to a solar power generator and the power output (18) with a power supply network or is connectable. FRONIUS INTERNATIONAL GmbH by lawyers BlMer & Partner Attorney at Law M9mi / 9i4nn
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    同族专利:
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
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    EP13160441.5A| EP2621039A1|2012-01-24|2013-03-21|Outdoor housing with an inverter and fan|
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