DE102009023385A1 - Cleaning plant for photovoltaic- and solar systems in motor vehicle, has domestic water connection, demineralizing unit, water tank and two pressure building devices - Google Patents

Abstract

The cleaning plant (2) has a domestic water connection, a demineralizing unit, a water tank and two pressure building devices. The domestic water connection is connected over a hose and the demineralizing unit is connected with an input connection of the water tank. A valve is provided between the domestic water connection and the demineralizing unit.

Description

The The invention relates to a cleaning system for photovoltaic and solar systems.

photovoltaic systems and solar panels are in most cases on the top the roof of a building or on stands in attached to a free terrain and therefore the influence exposed to the environment. These environmental influences include Contamination of the respective system, for example by dust, Pollen, bird droppings, green coverings, etc. These soils are with a reduction in the efficiency of each plant, a Reduction of the energy produced by the plant and a Shortening the life of the plant connected. Furthermore cause the mentioned contamination to the system on Reason for the pollution caused by the darkening of the collectors Turns on one morning in the morning and the other in the evening shuts off earlier. The same reaction is the Plant also on daylight fluctuations, for example by passing clouds are caused.

consequently there is a need for such photovoltaic and solar systems to clean.

From the DE 20 2007 006 491 U1 is a washer for cleaning non-horizontal surfaces, in particular solar cells known. This car wash has at least one transverse spray pipe. This is provided with outlet openings for a washing liquid. The spray tube is movable along the surfaces, in particular at a constant distance from the surfaces. Furthermore, the spray tube at its two ends on synchronously driven tension elements, in particular a rope, toothed belt or a chain, in particular over two deflection sprocket finally run out. Furthermore, the spray tube is guided on both sides in a guide rail. As washing liquid lime-free water is used, which is either rainwater or decalcified tap water. Furthermore, the cleaning is carried out using a broom and a subsequent spraying and a subsequent dry wiping.

The The object of the invention is an improved cleaning system for photovoltaic and solar systems.

These The object is achieved by a cleaning system with the specified in claim 1 Characteristics solved. According to the invention Such a cleaning system installed in a motor vehicle. As a result, the cleaning system is mobile. she is by means of the motor vehicle, in which it is installed, without Problems transportable to a desired location and can there in a simple way for cleaning the existing on site Photovoltaic or solar system can be used. The advantage of a Such cleaning plant is in particular that not every single photovoltaic system and not every single solar system be equipped with an individual cleaning device got to. It also requires no retrofitting of already installed photovoltaic systems and already installed solar systems with a cleaning device. The cleaning of the photovoltaic or solar system can be in an advantageous Be made by a service provider, one in one Motor vehicle has built-in cleaning system and with the cleaning of respective plant is commissioned.

Preferably has the motor vehicle, in which the cleaning system installed is an extendable carousel on. By means of this person carrying basket For example, an employee of a cleaning company in the be lifted near the plant to be cleaned. There he can - without having a direct contact with the Plant needs and without him the house, on the roof of the plant installed, must enter - the cleaning of the photovoltaic or solar system.

In Advantageously, the cleaning system has a domestic water connection, Demineralizing agent, a water tank, a first pressurizing means and a second pressure build-up device. this makes possible a cleaning of the photovoltaic or solar system using of tap water, which is a water pipe of the respective building, on the roof of which the system to be cleaned is provided taken becomes. This tap water is demineralized, in particular de-icing and descaling and then transported to the water tank.

There, it is preferably mixed with a cleaning additive and then applied to the surface to be cleaned via the first pressure build-up device, a hose connected thereto and a hose applicator connected to the hose with comparatively low pressure. Subsequently, after waiting for a contact time, a spraying of the surface to be cleaned with high-pressure water takes place. This is provided by the second pressure build-up device connected, for example, to the output of the demineralizing means and thus supplied with demineralised water. This is brought to a high pressure by means of the second pressure build-up device and then fed via a hose to a spray lance, by means of which the surface to be cleaned is hosed down. In this way it is ensured that a cleaning of Photovol taik- or solar system using demineralized tap water takes place. This leads advantageously to the fact that on the surface of the system to be cleaned no unwanted limescale and no iron oxide layers can form.

In Advantageously, a cleaning system according to the Invention a further water connection. About this further water connection, the cleaning of the respective photovoltaic or solar system also be done using water, the from a tanker or from a well. This from tanker or from the well-related water will be on the same way as described above in connection with tap water was passed through the demineralizer in the water tank and then in the same way for cleaning the respective photovoltaic or solar system used, as described above in connection with tap water has been.

about the said further water connection, the cleaning of the respective Photovoltaic or solar system also using water taken from a cistern. This the cistern removed water does not require demineralization. It is about a third pressure build-up device, a filter and a valve in the Carried water tank and then used for cleaning.

Around the flow of water required within the purification plant or with a cleaning additive provided water is a variety of valves provided in each necessary Be opened or closed.

following becomes an embodiment of the invention explained in more detail with reference to FIGS. It shows

1 a sketch of a built-in a motor vehicle cleaning system and

2 a block diagram of the essential components of the built-in motor vehicle cleaning system.

The 1 shows a sketch of a built-in a motor vehicle cleaning system for photovoltaic and solar systems. In this motor vehicle 1 it is preferably a van or a small truck, in the hold of the cleaning system 2 is installed. The car 1 furthermore has a person carrying basket 3 on, which is designed to be extendable. This person carrying basket can also be mounted on a lifting platform, ie on a trailer that is equipped with a person carrying basket. This makes it possible to lift a person located in the person carrying basket in the immediate vicinity of a fixed on the roof, for example, a residential building photovoltaic or solar system. There, this person using a job lance with a cleaning additive mixed water on the surface to be cleaned and spray after waiting for an exposure time using a spray lance to clean the area with water. The application lance and the Abspritzlanze are each connected via a water hose with the other components of the cleaning system located in the motor vehicle, as still with reference to 2 is explained.

The 2 shows a block diagram of the essential components of the built-in motor vehicle cleaning system 2 , This cleaning system has a domestic water or water pipe connection 4 , Demineralizer 5 , a water tank 6 , a first pressure build-up device 7 and a second pressurizing means 8th on. The house water connection 4 is over a hose 9 , a first valve 10 , the demineralizers 5 , a water meter 12 and a second valve 11 with an input connection 6a of the water tank 6 connected. The demineralizers 5 included in the embodiment shown a de-ironing unit 5a and a descaling unit 5b , The ironing unit 5a is preferably equipped with three filters, wherein the first filter and the second filter are pre-filters which operate with different permeabilities (20 microns and 5 microns, respectively) and the third filter is an activated carbon filter. The descaling unit 5b works electronically on salt basis and with resin.

Furthermore, the contains in the 2 illustrated cleaning system 2 another water connection 25 provided for receiving water provided by a tank truck or from well-related water or water obtained from a cistern. This further water connection 25 is over a hose 22 , a third pressure build-up device 26 , a filter 27 and a valve 29 with the second entrance 6b of the water tank 6 connected. Furthermore, the second water connection 25 over the hose 22 , the third pressure build-up device 26 , the filter 27 and a valve 30 with the second pressure build-up device 8th connected. Furthermore, the other water connection 25 over the hose 22 , the third pressure build-up device 26 , the filter 27 and a valve 28 with the input of demineralizers 5 connected.

The filter 27 is intended to contain contaminants in the water supplied to filter out any kind, so that water released from pollution particles in the water tank 6 , the second pressure build-up device 8th or the demineralizers 5 can be transported.

The first pressure build-up device 7 is over a third valve 14 to the exit 6c connected to the water tank. The pressure build-up device 7 is over a fourth valve 16 and a hose 15 with the order lance 17 connected. The first pressure build-up device 7 is designed to release the pressure from the water tank 6 to increase the liquid referred to a pressure value which is in the range between 3 bar and 10 bar. When out of the water tank 6 The liquid used is preferably water mixed with a cleaning additive. The said cleaning additive is the water tank 6 over a filler neck 21 fed. The provided with the cleaning additive water, the pressure in the first pressure build-up device 7 is increased, is over the valve 16 and the hose 15 the order lance 17 fed and applied by means of this job lance on the surface to be cleaned. When this application is completed, then the valves 14 and 16 closed.

If, after applying the water mixed with a cleaning additive, an exposure time has elapsed, then the fifth valve will be used 18 open, leaving that from the demineralizers 5 Provided water over the fifth valve 18 the second pressure build-up device 8th is supplied. The second pressure build-up device 8th is intended to increase the water supplied to it to a pressure value in the range between 100 bar and 200 bar. That of the second pressure build-up device 8th Provided high pressure water gets over the hose 19 the spray lance 20 fed and used by means of this for spraying the cleaning liquid located on the surface to be cleaned.

The in the 2 cleaning system shown is advantageously operable in several different modes.

In a first operating mode, the cleaning system is supplied with water from a domestic water line via the domestic water connection 4 , The over the house water connection 4 Water gets over the hose 9 and the opened first valve 10 in the ironing unit 5a de-icing and then in the descaling unit 5b decalcified. The thus demineralized tap water is via the water meter 12 , by means of which the water consumption is measured, the branch point 13 and the opened second valve 11 via the first input connection 6a in the water tank 6 promoted. The valve 18 is in the closed state. In the water tank 6 the water is mixed with a cleaning additive which passes over the filler neck 21 is introduced into the water tank.

The water mixed with the cleaning additive, which is a cleaning fluid, passes through the opened third valve 14 the first pressure build-up device 7 fed. There, the pressure of the cleaning fluid is increased to a value between 3 bar and 10 bar. That of the first pressure build-up device 7 provided cleaning fluid is over the opened fourth valve 16 and the hose 15 the order lance 17 supplied and applied by means of this on the surface to be cleaned. The water hose 15 For example, has a total length of 40 meters, is stored rolled up in the transport state and can be unrolled during operation as far as it is necessary to clean the respective photovoltaic or solar system. The order lance 17 is preferably formed telescopically and may for example have a working length that is between one meter and five meters.

If the order of the cleaning liquid is completed, then the valves 10 . 11 . 14 and 16 closed. Thereafter, a predetermined exposure time is awaited. If this exposure time has elapsed, then the valves 10 and 18 open. This has the consequence that demineralized tap water from the branching point 13 over the open valve 18 the second pressure build-up device 8th is supplied. There, the pressure of the demineralized water is increased to a value between 100 bar and 200 bar. That of the second pressure build-up device 8th Provided water gets over the hose 19 the spray lance 20 fed. That of the spray lance 20 discharged water is used for spraying the surface to be cleaned. The water hose 19 For example, has a total length of 40 meters, is stored rolled up in the transport state and can be unrolled during operation as far as it is necessary to clean the respective photovoltaic or solar system. The spray lance 20 is preferably also formed telescopically and may for example have a working length that is between one meter and five meters.

The valves 23 . 28 . 29 and 30 are always closed in the first operating mode of the cleaning system.

In a second mode of operation, the cleaning system is supplied with water, which comes from a tank truck and the cleaning system via the further water connection 25 is supplied. That over the further water connection 25 Water gets over the hose 22 , the third pressure build-up device 26 , the filter 27 and the open valve 28 demineralization stuffs 5 fed and in their de-ironing unit 5a de-icing and then in their descaling unit 5b decalcified. The thus demineralized water is over the water meter 12 , by means of which the water consumption is measured, the branch point 13 and the opened second valve 11 via the first input connection 6a in the water tank 6 promoted. The valves 10 and 18 are in the closed state. In the water tank 6 the water is mixed with a cleaning additive which passes over the filler neck 21 is introduced into the water tank.

The water mixed with the cleaning additive, which is a cleaning fluid, passes through the opened third valve 14 the first pressure build-up device 7 fed. There, the pressure of the cleaning fluid is increased to a value between 3 bar and 10 bar. That of the first pressure build-up device 7 provided cleaning fluid is over the opened fourth valve 16 and the hose 15 the order lance 17 supplied and applied by means of this on the surface to be cleaned.

If the order of the cleaning liquid is completed, then the valves 28 . 11 . 14 and 16 closed. Thereafter, a predetermined exposure time is awaited. If this exposure time has elapsed, then the valves 28 and 18 open. This has the consequence that from the tanker drawn and demineralized water from the branch point 13 over the open valve 18 the second pressure build-up device 8th is supplied. There, the pressure of the demineralized water is increased to a value between 100 bar and 200 bar. That of the second pressure build-up device 8th Provided water gets over the hose 19 the spray lance 20 fed. That of the spray lance 20 discharged water is used for spraying the surface to be cleaned.

The valves 10 . 23 . 29 and 30 are always closed in the second operating mode of the cleaning system. The second operating mode is used in particular when a photovoltaic or solar system is to be cleaned, which is mounted on stands in open ground, as there is in many cases no house water connection, no cistern and no well available.

In a third operating mode, the cleaning system is supplied with water, which comes from a cistern and the cleaning system via the further water connection 25 is supplied. That over the further water connection 25 In this case, the water that is received will pass through the hose 22 , the third pressure build-up device 26 , the filter 27 and the open valve 29 via the second input connection 6b of the water tank 6 transported to the water tank. In the water tank 6 the water is mixed with a cleaning additive which passes over the filler neck 21 is introduced into the water tank.

The water mixed with the cleaning additive, which is a cleaning fluid, passes over the opened third valve 14 the first pressure build-up device 7 fed. There, the pressure of the cleaning fluid is increased to a value between 3 bar and 10 bar. That of the first pressure build-up device 7 provided cleaning fluid is over the opened fourth valve 16 and the hose 15 the order lance 17 supplied and applied by means of this on the surface to be cleaned.

If the order of the cleaning liquid is completed, then the valves 29 . 14 and 16 closed. Thereafter, a predetermined exposure time is awaited. If this exposure time has elapsed, then the valve 30 open. As a result, that's at the output of the filter 27 Provided water over the open valve 30 the second pressure build-up device 8th is supplied. There, the pressure of the water is increased to a value between 100 bar and 200 bar. That of the second pressure build-up device 8th Provided water gets over the hose 19 the spray lance 20 fed. That of the spray lance 20 discharged water is used for spraying the surface to be cleaned.

The valves 10 . 11 . 18 . 23 and 28 are always closed in the third operating mode of the cleaning system.

According to a fourth mode, the supply of the cleaning system with water, which is based on a well and the cleaning system via the other water connection 25 is supplied. That over the further water connection 25 In this case, the water that is received will pass through the hose 22 , the third pressure build-up device 26 , the filter 27 and the open valve 28 the demineralization agents 5 fed and in their de-ironing unit 5a de-icing and then in their descaling unit 5b decalcified. The thus demineralized water is over the water meter 12 , by means of which the water consumption is measured, the branch point 13 and the opened second valve 11 via the first input connection 6a in the water tank 6 promoted. The valves 10 and 18 are in the closed state. In the water tank 6 the water is mixed with a cleaning additive which passes over the filler neck 21 is introduced into the water tank.

The water mixed with the cleaning additive, which is a cleaning fluid, passes through the opened third valve 14 the first pressure build-up device 7 fed. There, the pressure of the cleaning fluid is increased to a value between 3 bar and 10 bar. That of the first pressure build-up device 7 provided cleaning fluid is over the opened fourth valve 16 and the hose 15 the order lance 17 supplied and applied by means of this on the surface to be cleaned.

If the order of the cleaning liquid is completed, then the valves 28 . 11 . 14 and 16 closed. Thereafter, a predetermined exposure time is awaited. If this exposure time has elapsed, then the valves 28 and 18 open. This has the consequence that from the well-related and demineralized water from the branch point 13 over the open valve 18 the second pressure build-up device 8th is supplied. There, the pressure of the demineralized water is increased to a value between 100 bar and 200 bar. That of the second pressure build-up device 8th Provided water gets over the hose 19 the spray lance 20 fed. That of the spray lance 20 discharged water is used for spraying the surface to be cleaned.

The valves 10 . 23 . 29 and 30 are always closed in the fourth operating mode of the cleaning system.

According to a fifth operating mode, the output of the first pressure build-up device 7 by opening the valve 23 with the input of the second pressure build-up device 8th get connected. In this fifth mode of operation, the surface to be cleaned is sprayed off using liquid from the water tank 6 , which over the open valve 14 the first pressure build-up device 7 is supplied and from the output via the valve 23 the second pressure build-up device 8th is forwarded. When out of the water tank 6 The liquid used is preferably water without cleaning additive. The valves 18 . 16 and 30 are closed during this Abspritzens the surface to be cleaned. The other valves 10 . 11 . 28 and 29 may be partially open to ensure adequate water supply to the water tank 6 ensure, if necessary.

The Invention relates to a cleaning system for all Photovoltaic and solar systems, which are installed in a motor vehicle is. This cleaning system can be used on a mobile basis and allows everywhere Where water is available, contactless cleaning the respective photovoltaic or solar system. It can be tap water, from a tanker drawn water, from a well-related Water or cistern-based water can be used. Preferably, in a first step, an application of with a cleaning additive mixed water on the surface to be cleaned by means of a job lance and then in a further step Spraying the surface to be cleaned with high pressure water by means of a spray lance. Due to the contactless cleaning is as far as possible ensures that the area to be cleaned is not scratched during the cleaning process. Of Further, the likelihood that the cleaning will perform Person with live parts of the system to be cleaned comes in contact, greatly reduced.

The Power supply required by the cleaning system preferably using a provided in the motor vehicle own power supply, for example, a power of 10 kW provides. This has the advantage that the cleaning system Also work there where no power grid available stands.

1

motor vehicle

2

purifier

3

Persons carrying basket

4

House water supply

5

demineralization

5a

Enteisenungseinheit

5b

Entkalkungseinheit

6

water tank

6a

first Input connection of the water tank

6b

second Input connection of the water tank

6c

output port of the water tank

7

first Pressure build-up facility

8th

second Pressure build-up facility

9

tube

10

first Valve

11

second Valve

12

water clock

13

branching point

14

third Valve

15

water hose

16

fourth Valve

17

order lance

18

fifth Valve

19

water hose

20

Abspritzlanze

21

filling

22

water hose

23

sixth Valve

24

water hose

25

Another mains water supply

26

third Pressure build-up facility

27

filter

28

seventh Valve

29

eighth Valve

30

ninth Valve

QUOTES INCLUDE IN THE DESCRIPTION

This list The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.

Cited patent literature

• - DE 202007006491 U1 [0004]

Claims (33)

Cleaning plant for photovoltaic and solar plants, characterized in that it is in a motor vehicle ( 1 ) is installed. Cleaning installation according to claim 1, characterized in that the motor vehicle ( 1 ) an extendable passenger basket ( 3 ) having. Cleaning installation according to claim 1 or 2, characterized in that it has a domestic water connection ( 4 ), Demineralizing agents ( 5 ), a water tank ( 6 ), a first pressure build-up device ( 7 ) and a second pressure build-up device ( 8th ) having. Cleaning installation according to claim 3, characterized in that the domestic water connection ( 4 ) via a hose ( 9 ) and demineralizing agents ( 5 ) with an input terminal ( 6a ) of the water tank ( 6 ) connected is. Cleaning installation according to claim 4, characterized in that between the domestic water connection ( 4 ) and demineralizing agents ( 5 ) a valve ( 10 ) is provided. Cleaning installation according to claim 4 or 5, characterized in that between the demineralizing agents ( 5 ) and the input terminal ( 6a ) of the water tank ( 6 ) a valve ( 11 ) is provided. Cleaning installation according to claim 6, characterized in that between the demineralizing agents ( 5 ) and the valve ( 11 ) a water clock ( 12 ) is provided. Cleaning installation according to claim 6 or 7, characterized in that between the demineralizing agents ( 5 ) and the valve ( 11 ) a branch point ( 13 ) is provided. Cleaning installation according to claim 8, characterized in that the water meter ( 12 ) between demineralizing agents ( 5 ) and the branch office ( 13 ) is arranged. Cleaning installation according to one of claims 3 to 9, characterized in that the demineralizing agents ( 5 ) a descaling unit ( 5b ) and / or a de-ironing unit ( 5a ) exhibit. Cleaning installation according to one of claims 3 to 10, characterized in that the first pressure build-up device ( 7 ) to an output terminal ( 6c ) of the water tank ( 6 ) connected. Cleaning installation according to claim 11, characterized in that the first pressure build-up device ( 7 ) via a valve ( 14 ) to the output terminal ( 6c ) of the water tank ( 6 ) connected. Cleaning installation according to claim 11 or 12, characterized in that the first pressure build-up device ( 7 ) is designed to reduce the pressure of the water tank ( 6 ) to a pressure value which is in the range of 3 bar to 10 bar. Cleaning installation according to one of claims 11 to 13, characterized in that the first pressure build-up device ( 7 ) on the output side with a water hose ( 15 ) connected is. Cleaning installation according to claim 14, characterized in that the first pressure build-up device ( 7 ) via a valve ( 16 ) with the water hose ( 15 ) connected is. Cleaning installation according to claim 14 or 15, characterized in that the water hose ( 15 ) on the output side with a coating lance ( 17 ) connected is. Cleaning installation according to one of claims 8 to 16, characterized in that the second pressure-increasing device ( 8th ) to the branching point ( 13 ) connected. Cleaning installation according to claim 17, characterized in that the second pressure build-up device ( 8th ) via a valve ( 18 ) to the branching point ( 13 ) connected. Cleaning installation according to one of claims 8 to 18, characterized in that the second pressure-increasing device ( 8th ) is intended to reduce the pressure of the branch point ( 13 ) to a pressure value which is in the range of 100 bar to 200 bar. Cleaning installation according to one of claims 8 to 19, characterized in that the second pressure build-up device ( 8th ) on the output side with a water hose ( 19 ) connected is. Cleaning installation according to claim 20, characterized in that the water hose ( 19 ) on the output side with a spray lance ( 20 ) connected is. Cleaning installation according to one of claims 3 to 21, characterized in that the water tank ( 6 ) a filler neck ( 21 ), over which a cleaning additive in the water tank ( 6 ) can be introduced. Cleaning installation according to one of the preceding claims, characterized in that it has a further water connection ( 25 ) having. Cleaning installation according to claim 23, characterized in that via the further water connection ( 25 ) water taken from a cistern to an entrance ( 6b ) of the water tank ( 6 ) can be fed. Cleaning installation according to claim 24, characterized in that the further water connection ( 25 ) via a third pressure build-up device ( 26 ), a filter ( 27 ) and a valve ( 29 ) with the entrance ( 6b ) of the water tank ( 6 ) connected is. Cleaning installation according to one of claims 23 to 25, characterized in that via the further water connection ( 25 ) from a well-related water demineralization ( 5 ) can be fed. Cleaning installation according to claim 26, characterized in that the water obtained from the well via a valve ( 28 ) demineralizing agents ( 5 ) can be fed. Cleaning installation according to claim 27, characterized in that the further water connection ( 25 ) via the third pressure build-up device ( 26 ), the filter ( 27 ) and the valve ( 28 ) with demineralizing agents ( 5 ) connected is. Cleaning installation according to one of claims 23 to 28, characterized in that via the further water connection ( 25 ) tanker-drawn water is used to demineralize ( 5 ) can be fed. Cleaning installation according to claim 29, characterized in that the water drawn from the tanker via the valve ( 29 ) demineralizing agents ( 5 ) can be fed. Cleaning installation according to claim 30, characterized in that the water obtained from the tank truck via the third pressure-increasing device ( 26 ), the filter ( 27 ) and the valve ( 29 ) demineralizing agents ( 5 ) can be fed. Cleaning installation according to one of claims 3 to 31, characterized in that the output of the first pressure-increasing device ( 7 ) with the input of the second pressure build-up device ( 8th ) via a valve ( 23 ) connected is. Cleaning installation according to one of the preceding claims, characterized in that it has a motor vehicle provided own power supply is supplied with energy.