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DK202370286A1 - A method for installing a photovoltaic solar panel, a panel installation vehicle and use thereof - Google Patents

A method for installing a photovoltaic solar panel, a panel installation vehicle and use thereof Download PDF

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Publication number
DK202370286A1
DK202370286A1 DKPA202370286A DKPA202370286A DK202370286A1 DK 202370286 A1 DK202370286 A1 DK 202370286A1 DK PA202370286 A DKPA202370286 A DK PA202370286A DK PA202370286 A DKPA202370286 A DK PA202370286A DK 202370286 A1 DK202370286 A1 DK 202370286A1
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DK
Denmark
Prior art keywords
panel
photovoltaic solar
installation vehicle
solar panels
photovoltaic
Prior art date
Application number
DKPA202370286A
Inventor
Søndermark Svendsen Poul
Original Assignee
Eni Dev Aps
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Eni Dev Aps filed Critical Eni Dev Aps
Priority to DKPA202370286A priority Critical patent/DK181824B1/en
Application granted granted Critical
Publication of DK202370286A1 publication Critical patent/DK202370286A1/en
Publication of DK181824B1 publication Critical patent/DK181824B1/en

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075Constructional features or details
    • B66F9/0759Details of operating station, e.g. seats, levers, operator platforms, cabin suspension
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G49/00Conveying systems characterised by their application for specified purposes not otherwise provided for
    • B65G49/05Conveying systems characterised by their application for specified purposes not otherwise provided for for fragile or damageable materials or articles
    • B65G49/06Conveying systems characterised by their application for specified purposes not otherwise provided for for fragile or damageable materials or articles for fragile sheets, e.g. glass
    • B65G49/067Sheet handling, means, e.g. manipulators, devices for turning or tilting sheet glass
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/02Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by suction means
    • B66C1/0212Circular shape
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66CCRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/02Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by suction means
    • B66C1/0237Multiple lifting units; More than one suction area
    • B66C1/0243Separate cups
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66FHOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075Constructional features or details
    • B66F9/12Platforms; Forks; Other load supporting or gripping members
    • B66F9/18Load gripping or retaining means
    • B66F9/181Load gripping or retaining means by suction means

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Photovoltaic Devices (AREA)

Abstract

Disclosed is a method for installing a photovoltaic solar panel (1) on a panel mounting stand (2). The method comprises the steps of: * placing a plurality of photovoltaic solar panels (1) on a panel installation vehicle (3), * moving the panel installation vehicle (3) including the plurality of photovoltaic solar panels (1), so that the panel installation vehicle (3) is positioned next to the panel mounting stand (2), * connecting panel holding means (4) of a panel lifting device (5) to a photovoltaic solar panel (1) of the plurality of photovoltaic solar panels (1), wherein the panel lifting device (5) forms part of the panel installation vehicle (3), * lifting the photovoltaic solar panel (1) off the panel installation vehicle (3) by means of the panel lifting device (5), * adjusting an elevation height (EH) of a work platform (6) of the panel installation vehicle (3) in relation to the panel mounting stand (2), * manually guiding the photovoltaic solar panel (1) being lifted by the panel lifting device (5) onto the panel mounting stand (2) by means of one or more installation workers (7) located on the work platform (6), and * connecting the photovoltaic solar panel (1) to the panel mounting stand (2). A panel installation vehicle (3) and use of a panel installation vehicle (3) is also disclosed.

Description

DK 2023 70286 A1 1
A METHOD FOR INSTALLING A PHOTOVOLTAIC SOLAR PANEL, A PANEL INSTALLATION
VEHICLE AND USE THEREOF
Background of the invention
The invention relates to a method for installing a photovoltaic solar panel on a panel mounting stand by means of a panel installation vehicle. The invention also relates a panel installation vehicle for installing photovoltaic solar panel on a panel mounting stand and use of a of a panel installation vehicle.
Description of the Related Art
A photovoltaic solar panel is a device that converts sunlight into electricity by using photovoltaic (PV) cells. PV cells are made of materials that generate electrons when exposed to light. The electrons flow through a circuit and produce direct current (DC) electricity, which can be used to power various devices or be stored in batteries. Solar panels are also known as solar cell panels, solar electric panels, or PV modules.
In recent years more and more photovoltaic power stations — also known as a solar parks, solar farms, or solar power plants - have been built in which a large number of photovoltaic solar panel are mounted next to each other on panel mounting stands to form a large-scale grid-connected photovoltaic power system (PV system) designed for the supply of merchant power.
However, to install these big photovoltaic power stations efficient installation techniques are needed and from the US patent application US 2022/0411245 Al an apparatus for installing a solar panel array in parallel rows on panel support structures is known, wherein the apparatus includes a lift-and-place vehicle pulling a detachable panel-pallet vehicle. However, photovoltaic power stations are often installed on sloping and/or uneven grounds and the system described in US
DK 2023 70286 A1 2 2022/0411245 Al in relatively inefficient and costly because much adjustment to the local conditions is needed.
An object of the invention is therefore to provide for a more cost-efficient technique for installing photovoltaic solar panels on panel mounting stands.
The invention
The invention provides for a method for installing a photovoltaic solar panel on a panel mounting stand. The method comprises the steps of: e placing a plurality of photovoltaic solar panels on a panel installation vehicle, e moving the panel installation vehicle including the plurality of photovoltaic solar panels, so that the panel installation vehicle is positioned next to the panel mounting stand, e connecting panel holding means of a panel lifting device to a photovoltaic solar panel of the plurality of photovoltaic solar panels, wherein the panel lifting device forms part of the panel installation vehicle, e lifting the photovoltaic solar panel off the panel installation vehicle by means of the panel lifting device, e adjusting an elevation height of a work platform of the panel installation vehicle in relation to the panel mounting stand, e manually guiding the photovoltaic solar panel being lifted by the panel lifting device onto the panel mounting stand by means of one or more installation workers located on the work platform, and e connecting the photovoltaic solar panel to the panel mounting stand.
Placing a plurality of photovoltaic solar panels on the panel installation vehicle and moving the panel installation vehicle around to the panel mounting stands is advantageous in that the photovoltaic solar panels hereby is readily available on the panel installation vehicle at all times. And since the photovoltaic solar panels are quite heavy it is advantageous to use a panel lifting device to lift the photovoltaic
DK 2023 70286 A1 3 solar panel off the panel installation vehicle. However, the ground between the rows of panel mounting stands is often sloping or uneven — particularly if the ground has been driven up by the equipment installing the panel mounting stands or if the ground is swampy or muddy — and it is therefore advantageous to manually guide the photovoltaic solar panel being lifted by the panel lifting device onto the panel mounting stand by means of one or more installation workers located on the work platform of the panel installation vehicle, in that these workers can easily and quickly guide the photovoltaic solar panel into its correct position on the panel mounting stand no matter if the panel installation vehicle and the panel mounting stand are tilted or displaced in relation to each other. And given the uneven ground it is advantageous to adjust the elevation height of the work platform in relation to the panel mounting stand in that this ensures a faster and more uniform installation and it ensure good working conditions for the installation workers located on the work platform in that guiding panel over the shoulder height of the workers can hereby be avoided.
It should be underlined that the method steps do not have to be performed in the listed order. E.g., in an embodiment the plurality of photovoltaic solar panels could be placed on the panel installation vehicle after or during the panel installation — vehicle is positioned next to the panel mounting stand, the elevation height of the work platform could be adjusted at any time before of the photovoltaic solar panel is manually guided onto the panel mounting stand, the photovoltaic solar panel could be lifted by the panel lifting device before the panel installation vehicle is positioned next to the panel mounting stand and so on.
In this context the term "panel holding means” is to be understood as any kind of panel holder capable of being connected to and holding a photovoltaic solar panel.
Le, the term includes any kind of vacuum driven suction device, any kind of gripper device, any kind of clamping device or any other device e.g., comprising suction cups, mechanical grippers, mechanical clampers and/or other.
DK 2023 70286 A1 4
It should also be emphasised that the term “panel lifting device” is to be understood as any kind of panel lifter capable of lifting a photovoltaic solar panel. Ie., the term includes any kind of crane, jib, derrick, articulated robot or other e.g., powered by electrical motors, pneumatics, hydraulics and/or other.
In an aspect of the invention, the plurality of photovoltaic solar panels is held together by fixation means when being placed on the panel installation vehicle and herein the method further comprises removing the fixation means from the plurality — of photovoltaic solar panels before connecting the panel holding means of the panel lifting device to the photovoltaic solar panel of the plurality of photovoltaic solar panels.
The photovoltaic solar panels are quite heavy, and they are vulnerable regarding twisting, blows and hits. Thus, it is advantageous to hold the plurality of photovoltaic solar panels together by means of fixation means when transporting the photovoltaic solar panels to and onto the panel installation vehicle and it is advantageous to remove these fixation means once the photovoltaic solar panels are safely placed on the panel installation vehicle in that this enables that the photovoltaic solar panels can be removed one by one and placed on the panel mounting stands.
In this context the term “fixation means” is to be understood as any kind of fixator capable of holding together a plurality of photovoltaic solar panels. Le., the term includes any kind of strips, straps, ropes, bands, ties, frames and/or other.
In an aspect of the invention, the plurality of photovoltaic solar panels are arranged in a substantially raised position with a photovoltaic surface of the photovoltaic solar panels extending in an substantially vertical direction when the plurality of photovoltaic solar panels are being placed on the panel installation vehicle and wherein the method further comprises changing the orientation of the photovoltaic
DK 2023 70286 A1 solar panel of the plurality of photovoltaic solar panels before connecting the panel holding means of the panel lifting device to the photovoltaic solar panel of the plurality of photovoltaic solar panels. 5 If the photovoltaic solar panels were stacked with the photovoltaic surface facing upwards or downwards, some sort of separator would have to be included between each solar panel to prevent the panels from damaging each other — particularly if the stack during transport was subject to a bump. Thus, it is advantageous to arrange the solar panels in a substantially raised position with the photovoltaic surface extending in a substantially vertical direction during transport and handling of the entire plurality of photovoltaic solar panels because each solar panel then only have to carry their own weight. However, if all the vertically standing panels are released the risk of them tilting over and being damaged in high and it is therefore advantageous to change the orientation of the photovoltaic solar panels so them can lean against each other in a controlled manner while the solar panels are being removed one by one by the panel lifting means. Furthermore, it is more difficult to attach the panel holding means to a solar panel arranged with a vertical orientation, so it is advantageous to change the orientation of the plurality of photovoltaic solar panels before connecting the panel holding means to the photovoltaic solar panel of the plurality of photovoltaic solar panels.
In an aspect of the invention, the orientation of the photovoltaic solar panel of the plurality of photovoltaic solar panels is changed by tilting the plurality of photovoltaic solar panels between 3 and 100 degrees, preferably between 5 and 50 — degrees, and most preferred between 7 and 35 degrees to make the photovoltaic surface of the plurality of photovoltaic solar panels face at least a little upwards.
If the panel are tilted too little the panels might still overturn, and it is still difficult to attach the panel holding means to the solar panels in that it would still be arranged — with an almost vertical orientation. However, if too much weight from other panels is
DK 2023 70286 A1 6 put on a solar panel it might get damaged and it takes time and energy to tilt the panels and it is therefore advantageous that the panels are not tilted too much. Thus, the present angle ranges present an advantageous relationship between efficiency, safety and cost.
In an aspect of the invention, the panel mounting stands comprises a south facing sloping panel connection surface, wherein the method includes guiding the photovoltaic solar panel onto the panel mounting stand from a north facing side of the panel mounting stand.
Guiding the photovoltaic solar panel onto the panel mounting stand from the north side of the panel mounting stand — i.e., from the side of the sloping panel mounting stand where it is the highest — is advantageous in that gravity hereby can be used for sliding the solar panel down across the downwards sloping panel connection surface towards the lowest point of the panel connection surface, whereby the installation process is simplified.
In an aspect of the invention, the elevation height of the work platform of the panel installation vehicle is adjusted in relation to the panel mounting stand so that the — work platform is between 300 mm and 1900 mm, preferably between 500 mm and 1700 mm, and most preferred between 800 mm and 1400 mm below the highest point of the panel mounting stand.
A work platform usually has to be provided with railing to ensure that the installation workers on the work platform does not fall of the platform and it is therefore advantageous that the work platform is not raised too close to the panel mounting stand in that the railing then would be in the way. However, the installation workers should not work above their shoulder height when manually guiding the photovoltaic solar panel onto the panel mounting stand and it is therefore advantageous if the — work platform is not raised too little in relation to the panel mounting stand. Thus,
DK 2023 70286 A1 7 the present adjustment ranges are advantageous in relation to efficiently and worker safety.
In an aspect of the invention, the panel holding means are connected to the photovoltaic solar panel of the plurality of photovoltaic solar panels by means of suction means being attached to a photovoltaic surface of the photovoltaic solar panels.
The photovoltaic surface of the photovoltaic solar panels is typically even and smooth and it is therefore easy to attach suction means to this photovoltaic surface and maintain a strong and secure hold. Furthermore, using suction means as panel holding means is advantageous in that this enables - in a simple way - that the solar panels can be lifted by means of several lifting point distributed over the area of the photovoltaic surface, hereby reducing the risk of the solar panel being damaged by bending due to its self-weight. Also, suction means ensures fast connection and release of the solar panel.
In this context the term “suction means” is to be understood as any kind of sucker capable of being attached to a photovoltaic surface of the photovoltaic solar panels.
Ie, the term includes any kind of vacuum driven suction cups, suction pads, suction gripper, Bernoulli gripper or other or any combination thereof.
In an aspect of the invention, the panel mounting stand is one of a plurality of panel mounting stands in a photovoltaic power station and wherein the method further comprises moving the panel installation vehicle to a further panel mounting stand of the plurality of panel mounting stands.
Using the panel installation vehicle and installing method according to the present invention in relation to a photovoltaic power station is particularly advantageous in that the present vehicle and method enables that all installing equipment — including
DK 2023 70286 A1 8 uninstalled solar panel — quickly and efficiently can be moved around in the photovoltaic power station.
In an aspect of the invention, the method is performed by means of a panel installation vehicle according to any of the following claims.
Hereby is achieved an advantageous embodiment of the invention.
Furthermore, the invention provides for a panel installation vehicle for installing a photovoltaic solar panel on a panel mounting stand. The panel installation vehicle comprises a panel storage area arranged for holding a plurality of photovoltaic solar panels and a panel lifting device comprising panel holding means and lifting means, wherein the panel holding means are arranged for being connected to a photovoltaic solar panel of the plurality of photovoltaic solar panels and wherein the lifting means are arranged for lifting the panel holding means. The panel installation vehicle also comprises a work platform arranged for holding one or more installation workers, and elevation height adjusting means arranged for adjusting the elevation height of the work platform above ground level. — Making the panel installation vehicle comprise all of the panel storage area, the panel lifting device and the work platform is advantageous in that all the functions and equipment hereby is formed on the same vehicle which easily and efficiently can be moved around to different panel mounting stands. Furthermore, providing the panel installation vehicle with elevation height adjusting means arranged for adjusting the elevation height of the work platform above ground level is advantageous in that the vertical position of the work platform hereby can be adjusted in relation to a specific panel mounting stand at which the panel installation vehicle is positioned — even if the underlying ground is muddy, uneven or sloping — hereby ensuring better working conditions for installation workers on the work platform and ensuring a more safe and efficient installation process.
DK 2023 70286 A1 9
In this context the term ”/ifting means” is to be understood as any kind of lifter capable of lifting the panel holding means of a panel lifting device. Ie., the term includes any kind of winch, pully arrangement, jack arrangement, actuator arrangement and/or other e.g, driven by an electrical motor, by pneumatic, by hydraulics or other.
It should also be emphasised that the term “elevation height adjusting means” is to be understood as any kind of elevation height adjuster capable of adjusting the elevation height of the work platform above ground level — i.e., adjusting the vertical position of the work platform. Ie, the term includes any kind of motor operated, manually operated, pneumatically or hydraulically operated or actuator operated winch arrangement, jack arrangement, rack and pinion arrangement, lift arrangement or other e.g., comprising brakes, locking pins, ratchets or other to maintain the work platform in the desired vertical position.
In an aspect of the invention, the panel installation vehicle further comprises levelling means arranged for levelling the panel installation vehicle in relation to a horizontal plane.
Providing the panel installation vehicle with levelling means arranged for levelling the panel installation vehicle in relation to a horizontal plane is advantageous in that these levelling means hereby can be used for making the panel installation vehicle — at least more — level during an installation process or a transportation process to reduce the risk of panels, equipment or worker falling off the panel installation vehicle or falling over and to make the installation conditions more uniform and efficient.
In this context the term "Jevelling means” is to be understood as any kind of leveller capable of levelling the panel installation vehicle in relation to a horizontal plane.
DK 2023 70286 A1 10
Le, the term includes any kind of jack arrangement, actuator arrangement, lift arrangement and/or other e.g., driven by an electrical motor, by pneumatic, by hydraulics or other.
In an aspect of the invention, the panel lifting device further comprises displacement means arranged for enabling that the panel holding means may be displaced in a horizontal plane.
Providing the panel lifting device with displacement means is advantageous in that after being lifted the solar panels hereby can be displaced in the horizontal plane to bring the solar panel in a better position in relation to a panel mounting stand to thereby increase efficiency.
In this context the term “displacement means” is to be understood as any kind of displacer enabling that the panel holding means may be displaced in a horizontal plane. Le, the term includes any kind of guide system, wheel and track arrangement, rotational arrangement and/or other.
In an aspect of the invention, the panel installation vehicle further comprises a support stand arranged at the panel storage area, wherein the support stand is arranged to support the plurality of photovoltaic solar panels so that they can be stored in an inclined angle.
Providing the panel installation vehicle with a support stand enabling that the plurality of photovoltaic solar panels can be stored in an inclined angle is advantageous in that it is easier to connect the panel holding means to the solar panels when they are held in an inclined angle.
DK 2023 70286 A1 11
In an aspect of the invention, the panel holding means comprises suction means and vacuum generating means, wherein the vacuum generating means are arranged for generating a vacuum in the suction means.
The photovoltaic surface of the photovoltaic solar panels is typically even and smooth and it is therefore easy to attach suction means to this photovoltaic surface and maintain a strong and secure hold. Furthermore, using suction means as panel holding means is advantageous in that this enables in a simple way, that the solar panels can be lifted by means of several lifting point distributed over the area of the photovoltaic surface, hereby reducing the risk of the solar panel being damaged by bending due to its self-weight. Also, suction means driven by vacuum generating means ensures fast connection and release of the solar panel.
In this context the term “vacuum generating means” is to be understood as any kind — of vacuum generator capable of generating a vacuum in the suction means. Le., the term includes any kind of vacuum pump, vacuum ejector, vacuum generator or other.
In an aspect of the invention, the elevation height adjusting means are arranged to vertically displace the work platform in relation to the panel storage area.
Forming the elevation height adjusting means so that the work platform is vertically displaced in relation to the panel storage area is advantageous in that this enables that the elevation height adjusting means are easier to design and manufacture — e.g., compared to making the elevation height adjusting means adjust the height of the entire panel installation vehicle including the work platform.
The invention also provides for use of a panel installation vehicle according to any of the previously discussed panel installation vehicles for installing photovoltaic solar panels on a panel mounting stand by means of a method according to any of the previously discussed methods.
DK 2023 70286 A1 12
Hereby is achieved an advantageous embodiment of the invention.
Figures
The invention will be described in the following with reference to the figures in which, fig. 1 illustrates a panel installation vehicle operating in a photovoltaic power station, as seen from the top, and fig. 2 illustrates a panel installation vehicle installing a photovoltaic solar panel on a panel mounting stand, as seen in from the front.
Detailed description of related art
Fig. 1 illustrates a panel installation vehicle 3 operating in a photovoltaic power station 12, as seen from the top.
In this embodiment the panel installation vehicle 3 is in the process of installing a photovoltaic solar panel 1 on a panel mounting stand 2.
In this embodiment the panel installation vehicle 3 is a wagon being pulled by a pulling device 23 in this case in the form of a tractor. However, in another embodiment the pulling device 23 could be a crawler, a tracked vehicle, a telescopic loader, a forklift, a truck or other or the panel installation vehicle 3 could be self- propelled. The pulling device 23 or the self-propelled ability of the panel installation vehicle 3 enables that the panel installation vehicle 3 can be moved around in the photovoltaic power station 12 so that the panel installation vehicle 3 can be positioned next to a panel mounting stand 2 ready for installation a photovoltaic solar panel 1.
DK 2023 70286 A1 13
In this embodiment a plurality of photovoltaic solar panels 1 has been placed on a panel storage area 13 of the panel installation vehicle 3 by means of e.g., a telescopic loader, a crane, a forklift or by means of the panel lifting device 5 forming part of the panel installation vehicle 3. In this embodiment the plurality of photovoltaic solar panels 1 was strapped to a transportation pallet 22 by means of fixation means 8 (see fig. 2) when they were placed on the panel storage area 13 but at this point the fixation means has been removed to enable that the solar panels 1 may be individually removed from the pallet 22.
In this embodiment the panel storage area 13 is formed at the rear end of panel installation vehicle 3 but in another embodiment the entire upper surface of the panel installation vehicle 3 or other parts of the upper surface could also or instead be used as panel storage area 13.
In this embodiment the plurality of photovoltaic solar panels 1 was delivered to the panel storage area 13 on the pallet 22 in a raised position with a photovoltaic surface 9 of the solar panels 1 extending in a vertical direction — i.e., with the photovoltaic surface 9 facing sideways. Thus, to ensure that the plurality of photovoltaic solar panels 1 does not tip forward and get damaged when the fixation means 8 were removed, support stands 18 was placed behind the pallet 22 with the plurality of photovoltaic solar panels 1 before the fixation means 8 was removed and while, and immediately after, the fixation means 8 was removed, the top of the plurality of photovoltaic solar panels 1 was push towards the support stands 18 so that the orientation of all the photovoltaic solar panels 1 on the pallet 22 is changed slightly, in that the back solar panel 1 is now leaning against the support stands 18 and the other solar pales are leaning against each other in an angle of around 10 degrees which enables that the front solar panel 1 can be removed without affecting the position of the remaining solar panels 1 of the plurality of photovoltaic solar panels 1. However, in another embodiment the solar panels 1 could be delivered to the panel
DK 2023 70286 A1 14 storage area 13 in a laying down position with the photovoltaic surface 9 extending in a horizontal direction — i.e., with the photovoltaic surface 9 facing upwards — in which case no orientation change of the photovoltaic solar panels 1 is needed.
Or in another embodiment specific holding means could be provided on the pallet 22 or the panel storage area 13 which would enable that only the front solar panel 1 of the plurality of photovoltaic solar panels 1 on the pallet 22 could be released while the remaining solar panels 1 would be maintained in their raised substantially vertical position.
Or in another embodiment the support stands 18 could be part of the pallet 22 so that the solar panels 1 could be delivered to the panel storage area 13 in an already tilted orientation so that no further orientation change of the photovoltaic solar panels 1 is needed.
Or in another embodiment the panel installation vehicle 3 could comprise specific tilting means arranged to tilt the plurality of photovoltaic solar panels 1 in a controlled — e.g., motor driven — manner — e.g., to a tilt angle of 10 degrees in relation to the raised substantially vertical position.
And/or the plurality of photovoltaic solar panels 1 delivered to the panel storage area 13 in a raised position could be tilted to another angle — either manually or by means of said tilting means or other — such as 8, 6, 4 or even less degrees, or 15, 45, 90 or even more degrees in relation to the raised substantially vertical position.
— After the plurality of photovoltaic solar panels 1 has been placed on a panel storage area 13, panel holding means 4 of a panel lifting device 5 of the panel installation vehicle 3 is connected to a photovoltaic solar panel 1 of the plurality of photovoltaic solar panels 1. In this embodiment the panel holding means 4 is formed as a frame comprising suction means 11 in the form of suction cups driven by vacuum generating means 20 in the form of a vacuum ejector placed directly on the frame of the panel holding means 4. However, in another embodiment the vacuum generating means 20 could also or instead comprise a vacuum pump and/or the vacuum generating means 20 could be located elsewhere on the panel installation vehicle 3 and the vacuum could then be guided to the panel holding means 4 by means of tubes, pipes, hoses or other.
In another embodiment the panel holding means 4 could
DK 2023 70286 A1 15 also or instead comprise a gripping arrangement arranged to grip the edges of the solar panel, to grip a lifting eye or a lifting orifice in the solar panels 1 or the panel holding means 4 could be embodied in numerous other ways know to the skilled person. In this embodiment the connection of the panel holding means 4 to the photovoltaic solar panel 1 of the plurality of photovoltaic solar panels 1 is assisted by an assisting worker 25 located on the upper surface of the panel installation vehicle 3 but in another embodiment this connection could be performed unassisted or by assistance of an installation worker 7 located on the work platform 6 to be discussed later e.g., depending on the orientation of the panels 1.
In this embodiment the panel lifting device 5 is a slewing crane which enables angular movement of a crane boom 24 a horizontal plane. In this embodiment this angular movement of the crane boom 24 is manually driven but in another embodiment the angular movement of the crane boom 24 could be motor driven or assisted. The panel lifting device 5 will be discussed in more details in relation to fig. 2.
Once the the panel holding means 4 has been connected to the photovoltaic solar panel 1 the panel 1 is lifted and guided towards a panel mounting stand 2 located next to the panel installation vehicle 3 by means of — in this case - two installation workers 7 located on the work platform 6 but in another embodiment one, three, four or even more installation workers 7 could be used for guiding the panel 1.
In this embodiment the panel mounting stand 2 comprises transversal beams 26 with an H-shape arranged so that tracks are formed on either side of the beams 26. Thus, in this embodiment, the solar panel 1 lifted by the panel lifting device 5 is guided into the tracks formed by two neighboring beams 26 and slid down into its correct position on the panel mounting stand 2. The panel holding means 4 is then released from the solar panel 1 and moved back towards the plurality of photovoltaic solar panels 1 placed at the panel storage area 13 ready to be connected to the next solar
DK 2023 70286 A1 16 panel 1. If needed the panel installation vehicle 3 is now moved forward to position the panel installation vehicle 3 next to the next empty panel mounting stand 2.
Subsequently a fixation worker (not shown) will fix the beams 26 to ensure that the panels 1 remains correctly fixed in the panel mounting stand 2. However, in another embodiment the panel mounting stands 2 could be formed differently — e.g., with dedicated mounting holes, with a click-on arrangement or other.
In this embodiment the panel installation vehicle 3 is provided with elevation height adjusting means 15 arranged for adjusting the elevation height EH of the work platform 6 above ground level. In this embodiment the elevation height EH is manually adjusted by the installation workers 7 leaving the work platform 6 to lift or lower the work platform 6 and then secure the new position by inserting pins (not shown) in in three vertical poles 27 attached to the side of the panel installation vehicle 3 so that the work platform 6 rests on these pins. However, the elevation height adjusting means 15 could be formed in numerous other ways as will be discussed in relation to fig. 2.
The elevation height EH of the work platform 6 is adjusted in relation to the specific panel mounting stand 2 at which the panel installation vehicle 3 is located and in this embodiment this adjustment is performed after the panel installation vehicle 3 is positioned at this panel mounting stand 2. However, particularly if the elevation height adjusting means 15 are motor driven this adjustment could take place while and/or before the panel installation vehicle 3 is moved to the panel mounting stand 2.
Fig. 2 illustrates a panel installation vehicle 3 installing a photovoltaic solar panel 1 on a panel mounting stand 2, as seen in from the front.
In this embodiment panel lifting device 5 is provided with displacement means 17 in the form of a carriage 28 arranged on the crane boom 24 enabling that the panel holding means 4 may be displaced along the crane boom 24 in the horizontal plane.
DK 2023 70286 A1 17
However, in another embodiment the displacement means 17 could also or instead comprise a telescopic arm, a wire arrangement or other. In this embodiment the carriage 28 is displaced manually along the crane boom 24 but in another embodiment the displacement means 17 could be driven by a motor, a pneumatic or hydraulic cylinder, by a linear actuator or other.
In this embodiment the panel lifting device 5 also comprises lifting means 14 in the form of a wire 29 being attached to the end of the boom 24 and guided via pullies 30 on the carriage 28, the panel holding means 4 and on the panel lifting device 5 to a pneumatic cylinder 31 by means of which the wire 29 can be tightened or loosened to raise or lower the panel holding means 4 no matter where the carriage 28 is located on the boom 24. In this embodiment the panel holding means 4 is also provided with a remote control (not shown) by means of which the operation of the pneumatic cylinder 31 can be controlled. However, in another embodiment the lifting means 14 — could also or instead comprise a motor drive winch, a manually operated hoist arrangement, a pneumatic or hydraulic cylinder mounted directly on the carriage 28 and/or the lifting means 14 could be formed in numerous other ways known to the skilled person e.g., including counterbalance weight or other weight compensating or user assisting means.
In this embodiment the panel holding means 4 has been connected to the last photovoltaic solar panels 1 of a previous pallet 22 and while the installation worker 7 is guiding this solar panel 1 towards the panel mounting stand 2, a new pallet 22 comprising a new plurality of photovoltaic solar panels 1 has been placed on the panel storage area 13 of the panel installation vehicle 3. In this embodiment the plurality of photovoltaic solar panels 1 are strapped to a transportation pallet 22 by means of fixation means 8 in the form of plastic strips to protect the panels 1 and to make it easier to move them around. However, in another embodiment the fixation means 8 could also or instead comprise a holding frame, the plurality of photovoltaic solar panels 1 could be wrapped in plastic film and/or the plurality of photovoltaic
DK 2023 70286 A1 18 solar panels 1 could be mutually fixed in numerous other ways known to the skilled person.
In this embodiment the pallet 22 is similar to a standard EUR pallet but with different outer measurements. However, in another embodiment the pallet 22 could be a plate, it could be designed to the specific purpose — e.g., comprising grooves in which the solar panels 1 are individually placed, it could be a standard EUR pallet or other.
In this embodiment the work platform 6 is arranged on the side of the panel — installation vehicle 3 — i.e., displaced from the panel storage area 13 — so that elevation height adjusting means 15 for adjusting the elevation height EH of the work platform 6 can be formed down along the side of the panel storage area 13. In the embodiment the elevation height adjusting means 15 comprises guide tracks 32 extending vertically down the side of the panel installation vehicle 3 to which guide slides of the work platform 6 are connected. In this embodiment the elevation height adjusting means 15 further comprises a motor driven cogwheel engaging a toothed rack (not shown) so that the vertical position of the work platform 6 — i.e., the elevation height EH - can be adjusted by controlling the operation of the motor driven cogwheel. However, in another embodiment the elevation height adjusting means 15 could comprise a winch, a hydraulic or pneumatic cylinder, a manually or motor driven pulley system and/or it could be formed in numerous other ways known to the skilled person and/or the elevation height adjusting means 15 could be arranged to adjust the elevation height EH of the entire panel installation vehicle 3.
In this embodiment the work platform 6 is provided with railing 19 extending around 1100 mm above the work platform 6 and if the elevation height EH above ground level of the work platform 6 is too high the railing 19 would be in the way when the photovoltaic solar panels 1 has to be installed on the panel mounting stand 2. Thus, in this embodiment the elevation height EH above ground level of the work platform 6 has been adjusted in relation to the panel mounting stand 2 so that the work
DK 2023 70286 A1 19 platform 6 is around 1200 mm below the highest point 10 of the panel mounting stand 2. Le, in this embodiment the elevation height EH above ground level of the work platform 6 is around 1800 mm but in another embodiment the elevation height
EH could be higher — such as 2000 mm, 2500 mm, 2800 mm or even higher — or lower such as 1600 mm, 1200 mm, 900 mm or even lower — e.g., depending of the specific panel mounting stand 2, the condition and slope of the underlying ground, the hight of the railing 19 and other.
To maximize output of the photovoltaic solar panels 1, the solar panels 1 are almost — always installed in the panel mounting stands 2 so they are facing upwards in a south facing direction and in this embodiment the panel mounting stands 2 therefore comprises a south facing sloping panel connection surface 21 and in this embodiment the panel installation vehicle 3 is positioned next to the panel mounting stand 2 on the north side of the panel mounting stand 2 so that gravity can aid is sliding the solar panels 1 down in correct position on the panel mounting stands 2. However, in another embodiment the panel installation vehicle 3 could be used for installing the solar panels 1 from the south side of the panel mounting stands 2 or even in some cases from the east or west side of the panel mounting stands 2 particularly if the solar panels 1 installed in the panel mounting stands 2 so they are facing upwards in a another direction than south — such as north, west or east — or if the panel mounting stands 2 comprises sun tracking equipment enabling that the photovoltaic solar panels 1 are moved around so that they always or more of the time is facing the sun.
In this embodiment the panel installation vehicle 3 further comprises levelling means 16 in the form of hydraulically height adjustable suspensions arranged at each of the four wheel of the panel installation vehicle 3 for levelling or at least aid in levelling the panel installation vehicle 3 in relation to a horizontal plane e.g, if the panel installation vehicle 3 was located on uneven or sloping ground. However, in another embodiment the levelling means 16 could be motor driven, they could be formed in
DK 2023 70286 A1 20 numerous other ways known to the skilled person or in an embodiment the panel installation vehicle 3 would not comprises levelling means 16.
The invention has been exemplified above with reference to specific examples of photovoltaic solar panels 1, panel mounting stands 2, and panel installation vehicles 3 and other. However, it should be understood that the invention is not limited to the particular examples described above but may be designed and altered in a multitude of varieties within the scope of the invention as specified in the claims.
List 1. Photovoltaic solar panel 2. Panel mounting stand 3. Panel installation vehicle 4. Panel holding means 5. Panel lifting device 6. Work platform 7. Installation worker 8. Fixation means 9. Photovoltaic surface 10. Highest point of panel mounting stand 11. Suction means 12. Photovoltaic power station 13. Panel storage area 14. Lifting means 15. Elevation height adjusting means 16. Levelling means 17. Displacement means 18. Support stand 19. Railing — 20. Vacuum generating means
DK 2023 70286 A1 21 21. Panel connection surface 22. Pallet 23. Pulling device 24. Crane boom 25. Assisting worker 26. Transversal beam 27. Vertical pole 28. Carriage 29. Wire 30. Pulley 31. Pneumatic cylinder 32. Guide track 33. Guide slide 34. Cogwheel
EH. Elevation height of work platform

Claims (15)

DK 2023 70286 A1 22 Claims
1. A method for installing a photovoltaic solar panel (1) on a panel mounting stand (2), said method comprising the steps of: e placing a plurality of photovoltaic solar panels (1) on a panel installation vehicle (3), e moving said panel installation vehicle (3) including said plurality of photovoltaic solar panels (1), so that said panel installation vehicle (3) is positioned next to said panel mounting stand (2), e connecting panel holding means (4) of a panel lifting device (5) to a photovoltaic solar panel (1) of said plurality of photovoltaic solar panels (1), wherein said panel lifting device (5) forms part of said panel installation vehicle (3), e lifting said photovoltaic solar panel (1) off said panel installation vehicle (3) by means of said panel lifting device (5), e adjusting an elevation height (EH) of a work platform (6) of said panel installation vehicle (3) in relation to said panel mounting stand (2), e manually guiding said photovoltaic solar panel (1) being lifted by said panel lifting device (5) onto said panel mounting stand (2) by means of one or more installation workers (7) located on said work platform (6), and e connecting said photovoltaic solar panel (1) to said panel mounting stand (2).
2. A method according to claim 1, wherein said plurality of photovoltaic solar panel (1)s are held together by fixation means (8) when being placed on said panel installation vehicle (3) and herein said method further comprises removing said fixation means (8) from said plurality of photovoltaic solar panels (1) before connecting said panel holding means (4) of said panel lifting device (5) to said photovoltaic solar panel (1) of said plurality of photovoltaic solar panels (1).
DK 2023 70286 A1 23
3. A method according to claim 1 or 2, wherein said plurality of photovoltaic solar panels (1) are arranged in a substantially raised position with a photovoltaic surface (9) of said photovoltaic solar panels (1) extending in an substantially vertical direction when said plurality of photovoltaic solar panels (1) are being placed on said panel installation vehicle (3) and wherein said method further comprises changing the orientation of said photovoltaic solar panel (1) of said plurality of photovoltaic solar panels (1) before connecting said panel holding means (4) of said panel lifting device (5) to said photovoltaic solar panel (1) of said plurality of photovoltaic solar panels (1).
4. A method according to claim 3, wherein said orientation of said photovoltaic solar panel (1) of said plurality of photovoltaic solar panels (1) is changed by tilting said plurality of photovoltaic solar panels (1) between 3 and 100 degrees, preferably between 5 and 50 degrees, and most preferred between 7 and 35 degrees to make said photovoltaic surface (9) of said plurality of photovoltaic solar panels (1) face at least a little upwards.
5. A method according to claim any of the preceding claims, wherein said elevation height (EH) of said work platform (6) of said panel installation vehicle (3) is adjusted in relation to said panel mounting stand (2) so that said work platform (6) is between 300 mm and 1900 mm, preferably between 500 mm and 1700 mm, and most preferred between 800 mm and 1400 mm below the highest point (10) of said panel mounting stand (2).
6. A method according to claim any of the preceding claims, wherein said panel holding means (4) are connected to said photovoltaic solar panel (1) of said plurality of photovoltaic solar panels (1) by means of suction means (11) being attached to a photovoltaic surface (9) of said photovoltaic solar panels (1).
DK 2023 70286 A1 24
7. A method according to claim any of the preceding claims, wherein said panel mounting stand (2) is one of a plurality of panel mounting stands (2) in a photovoltaic power station (12) and wherein said method further comprises moving said panel installation vehicle (3) to a further panel mounting stand (2) of said plurality of panel mounting stands (2).
8. A method according to claim any of the preceding claims, wherein said method is performed by means of a panel installation vehicle (3) according to any of the following claims.
9. A panel installation vehicle (3) for installing a photovoltaic solar panel (1) on a panel mounting stand (2), said panel installation vehicle (3) comprising, a panel storage area (13) arranged for holding a plurality of photovoltaic solar panels 33 (1), a panel lifting device (5) comprising panel holding means (4) and lifting means (14), wherein said panel holding means (4) are arranged for being connected to a photovoltaic solar panel (1) of said plurality of photovoltaic solar panels (1) and — wherein said lifting means (14) are arranged for lifting said panel holding means (4), a work platform (6) arranged for holding one or more installation workers (7), and elevation height adjusting means (15) arranged for adjusting the elevation height (EH) of said work platform (6) above ground level.
10. A panel installation vehicle (3) according to claim 9, wherein said panel installation vehicle (3) further comprises levelling means (16) arranged for levelling said panel installation vehicle (3) in relation to a horizontal plane.
DK 2023 70286 A1 25
11. A panel installation vehicle (3) according to claim 9 or 10, wherein said panel lifting device (5) further comprises displacement means (17) arranged for enabling that said panel holding means (4) may be displaced in a horizontal plane.
12. A panel installation vehicle (3) according to any of claims 9-11, wherein said panel installation vehicle (3) further comprises a support stand (18) arranged at said panel storage area (13), wherein said support stand (18) is arranged to support said plurality of photovoltaic solar panels (1) so that they can be stored in an inclined angle.
13. A panel installation vehicle (3) according to any of claims 9-12, wherein said panel holding means (4) comprises suction means (11) and vacuum generating means (20), wherein said vacuum generating means (20) are arranged for generating a vacuum in said suction means (11).
14. A panel installation vehicle (3) according to any of claims 9-13, wherein said elevation height adjusting means (15) are arranged to vertically displace said work platform (6) in relation to said panel storage area (13).
15. Use of a panel installation vehicle (3) according to any of claims 9-14 for installing photovoltaic solar panels (1) on a panel mounting stand (2) by means of a method according to any of claims 1-8.
DKPA202370286A 2023-06-13 2023-06-13 A method for installing a photovoltaic solar panel DK181824B1 (en)

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