JP2020068591A - Solar panel maintenance device - Google Patents

Abstract

To provide a solar panel maintenance device that can prevent deterioration of power generation capacity and perform stable maintenance work such as cleaning work without casting a shadow on the entire vertical row of each solar panel surface at once.SOLUTION: A solar panel maintenance device 10 includes a device body 20 including a maintenance mechanism 30 that performs maintenance work while moving in the front-rear direction L along the panel surface 3, a moving mechanism 50 installed on the rear part 1a of the panel surface 3, holding the device body 20, and moving in the lateral direction P, and the device body 20 is held by two wire members 26 and 27 extending from the moving mechanism 50, and can move in the front-back direction L along the panel surface 3 by winding and sending out the wire members 26 and 27, the wire members 26 and 27 extending from the right side and the left side of the moving mechanism 50 are attached to the left side and the right side of the device body 20, and both of the wire members 26 and 27 are installed to cross each other.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a solar panel maintenance device that performs maintenance management to prevent a decrease in power generation capacity of a solar panel and efficiently generate power.

  Conventionally, a solar panel unit in which a plurality of solar panels are arranged side by side is known. In addition, a cleaning device is known that cleans the panel surface that receives sunlight in order to prevent a decrease in the power generation capacity of each solar panel of such a solar panel unit (see, for example, Patent Document 1).

  The cleaning device of Patent Document 1 has a traveling body such as a wheel that contacts the panel surface of the solar panel and a cleaning mechanism such as a rotating brush, and cleans while traveling on the panel surface of the solar panel with the traveling body. Clean with the mechanism.

JP, 2005-138854, A

  By the way, in recent years, if the entire vertical line (front-back direction of the panel) is covered at once (shadows are cast at once) on each panel surface of the solar panel, the power generation device at that part fails and the power generation capacity is reduced. The results of the study have been published, which indicate that

  Considering this, in a conventional panel surface cleaning device, if the cleaning device main body has a shape that is long in the vertical direction, the cleaning device main body at a time is used for the entire vertical row of each panel surface of the solar panel. In many cases, the shadow was cast, and there was a risk that the power generation capacity of that part would be reduced or lost.

  Further, in the conventional panel surface cleaning device, the cleaning device main body has a short vertical direction, and the cleaning device main body does not cast the entire vertical row of each panel surface of the solar panel at one time. However, when the cleaning device body is hung by wires to move it over the panel surface, the wires are installed linearly from the top of the solar panel unit to the cleaning device body, and as a result, There was a risk of casting a shadow on the entire vertical row of the panel surface at once.

  Further, in the cleaning device main body having a short vertical direction and self-propelled without hanging the cleaning device main body by a wire, a shadow is not cast at a time on the entire vertical row of each panel surface. However, there is a possibility that stable cleaning work cannot be performed.

  Therefore, the present invention can prevent a decrease in the power generation capacity of the solar panel without casting a shadow on the entire vertical row of each panel surface of the solar panel at the same time, and a stable cleaning operation or the like. It is an object of the present invention to provide a solar panel maintenance device that can perform the maintenance work of.

  In order to achieve such a subject, the present invention installs a plurality of solar panels having a panel surface side by side so that the panel surfaces are substantially flush with each other in a downward slope or a substantially flat surface from the rear to the front. A solar panel maintenance device for maintaining and managing the solar panel unit, wherein the device main body includes a maintenance mechanism for performing maintenance work on the solar panel unit while moving in the front-rear direction along the panel surface, A moving mechanism that is installed at a rear portion of the panel surface of the solar panel unit and that moves the device body while holding the device body in a lateral direction, and the device body has two wires extending from the moving mechanism. The wire member is held by a member and can be moved in the front-rear direction along the panel surface by winding or sending out the wire member. The first wire extending from the right side of the moving mechanism is attached to the left side of the device body, the second wire extending from the left side of the moving mechanism is attached to the right side of the device body, and both the wires are set to cross each other. The solar panel maintenance device is configured as described above.

  In the present invention, it is preferable that the length of the device body in the front-rear direction is smaller than the length of the panel surface of the single solar panel.

  In the present invention, the moving mechanism is configured to move laterally in a state where the device body is housed, and the device body and the moving mechanism are configured to mesh with each other when the device body is housed. And a rack and pinion mechanism configured as described above, wherein the moving mechanism is configured to wind the wire member and house the apparatus body by meshing with the rack and pinion mechanism. desirable.

  According to the present invention, since the two wire members that extend from the moving mechanism to the device body and hold the device body are arranged to cross each other, the front-back direction of each panel surface of the solar panel The wire members do not cast shadows on the entire row at a time, and as a result, it is possible to prevent a decrease in the power generation capacity of the solar panel, and the wire members hold the device main body in a stable state. You can perform maintenance work such as cleaning work.

  In the present invention, the length of the main body in the front-rear direction is configured to be smaller than the length of the panel surface of one solar panel, so that the device is provided in the entire front-rear row on each panel surface of the solar panel. The main body does not cast a shadow at a time, and as a result, it is possible to prevent a decrease in the power generation capacity of the solar panel.

  In the present invention, when the device body is housed in the moving mechanism, the wire member is wound and the rack and pinion mechanism is meshed to house the device body. It can be housed in the moving mechanism and moved, and as a result, maintenance work can be performed efficiently.

It is a top view which shows notionally the state which has arrange | positioned the solar panel cleaning apparatus which concerns on embodiment of this invention on the solar panel unit. It is a top view which shows notionally the state which arrange | positioned the solar panel cleaning apparatus which concerns on the embodiment on the solar panel unit, and accommodated the apparatus main body in the moving mechanism. It is a perspective view which shows notionally the solar panel cleaning apparatus which concerns on the same embodiment. It is a schematic plan view which shows the moving mechanism of the solar panel cleaning apparatus which concerns on the same embodiment. It is a schematic plan view which shows the apparatus main body of the solar panel cleaning apparatus which concerns on the same embodiment.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

  1 to 5 show an embodiment of the present invention. Here, as an example of the solar panel maintenance device, a solar panel cleaning device that cleans a panel surface arranged on the surface of the solar panel will be described.

  The solar panel cleaning apparatus 10 of this embodiment cleans the surface of the solar panel unit 1 as shown in FIGS. The solar panel cleaning apparatus 10 includes an apparatus main body 20 having a cleaning mechanism 30 as a “maintenance mechanism” for performing cleaning work as maintenance work on the solar panel unit 1, and holding and moving the apparatus main body 20. It has a moving mechanism 50.

  First, the solar panel unit 1 of this embodiment will be described.

  In general, the solar panel unit 1 is installed with the panel surface 3 inclined or the panel surface 3 horizontal. That is, when the solar panel unit 1 is viewed from the side where the sunlight hits (south side), the rear (back side) side surface 1a of the panel surface 3 is installed in a state of being positioned above or horizontally than the front (front side) side surface 1b. To be done. In FIG. 1, the lateral direction P is a substantially horizontal direction, and the front-back direction L is a direction substantially parallel to the inclined panel surface 3 and substantially perpendicular to the horizontal direction (horizontal direction) P. In the following description, the direction represented as the front-rear direction L in FIG. 1 is referred to as the inclination direction L.

  As shown in FIG. 1, the solar panel unit 1 includes a plurality of solar panels 2 arranged side by side so that the panel surfaces 3 are substantially flush with each other. In the example of FIG. 1, four solar panels 2 are arranged in the tilt direction L and ten solar panels 2 are arranged in the horizontal direction P (only a part is shown). Further, a predetermined gap S is provided between the solar panels 2 adjacent to each other on the left and right.

  Further, each solar panel 2 has a panel body 4 having the panel surface 3 described above, a power generator (not shown) arranged on the back surface side thereof, and an edge portion 5 provided around the panel body 4. is doing. Of these, the panel surface 3 is made of glass, and the edge portion 5 is made of metal such as aluminum.

  Next, the solar panel cleaning device 10 of this embodiment will be described.

  As shown in FIGS. 1 to 3, the solar panel cleaning apparatus 10 of this embodiment includes an apparatus main body 20 including a cleaning mechanism 30, a moving mechanism 50 that moves the apparatus main body 20 in the lateral direction, and And a control unit (control device) for controlling the. In this embodiment, the cleaning work control unit 60 is provided in the apparatus main body 20, and the movement control unit 70 is provided in the movement mechanism 50. Further, an operator holds an operation unit (not shown) for operating and controlling these control units 60, 70, and the operation unit and each control unit 60, 70 are wirelessly connected. Has been done.

  As shown in FIG. 3 and FIG. 5, the device body 20 of this embodiment has a frame 20a having a substantially rectangular parallelepiped shape, and a panel of the solar panel 2 having a length in the front-rear direction of one. It is formed to be shorter than the length of the surface 3 in the front-rear direction. Further, in this embodiment, the lateral length of the device body 20 is also shorter than the lateral length of the panel surface 3 of one solar panel 2.

  A cleaning mechanism 30 is provided in the apparatus body 20. Here, it has a rotating brush 31 arranged in the left-right direction of the apparatus body 20, and two rotating brushes 31 are arranged in the front-back direction of the apparatus body 20. Further, the rotary brush motor 32 for rotating the rotary brush 31 is provided. The rotary brush motor 32 is configured to transmit power to the rotary brush 31 under the control of the cleaning operation control unit 60. The rotating brush 31 is rotated to clean the panel surface 3 in the front-rear direction L.

  Two shafts 21 and 22 arranged in the left-right direction are arranged between the two rotating brushes 31, and the shafts 21 and 22 are arranged on the left and right sides along the panel surface 3. Mobile tires 23, 24 for moving in the front-rear direction are provided. Further, on the rear (upper) shaft 22 of the two shafts 21 and 22, pinion gears 25 are arranged at two positions between the movable tires 24 arranged. The pinion gear 25 is arranged at a position where it meshes with a rack 55 of the moving mechanism 50 described later, and its diameter is smaller than that of the moving tires 23 and 24. The pinion gear 25 is configured to be rotationally driven in the inclination direction L by a pinion gear motor (not shown).

  A first wire 26 and a second wire 27 are attached as wire members to the left and right of the rear end (upper end) of the apparatus body 20. Here, the first wire 26 is attached to the left side and the second wire 27 is attached to the right side. The wire members 26 and 27 are attached to predetermined positions of a moving mechanism 50 described later. It is configured that the device body 20 is moved in the inclination direction L along the panel surface 3 by expanding and contracting the device body 20 with the wire members 26 and 27 in a suspended state. That is, by extending the wire members 26 and 27, the weight of the device body 20 moves the panel surface 3 downward (forward) in the inclination direction L, and by contracting the wire members 26 and 27, the device body 20 is moved to the panel surface 3. The upper part is pulled upward in the inclination direction L (rearward). In this embodiment, the moving tires 23 and 24 are not powered, and are moved in the inclination direction L by the expansion and contraction of the wire members 26 and 27 and the weight of the apparatus main body 20.

  Further, as shown in FIG. 5, a cleaning work control unit 60 and a battery 61 are disposed on the front side of the apparatus main body 20. By issuing an instruction signal from the cleaning work control unit 60 to the rotary brush motor 32, the rotation speed and the rotation direction of the rotary brush 31 (which rotates along the moving direction of the front side direction or the rear side direction) are controlled. It has become. Further, by issuing an instruction signal from the cleaning work control unit 60 to a pinion gear motor (not shown), the rotation speed and rotation direction of the pinion gear 25 (rotate along the moving direction of the front side direction or the rear side direction). To control. Further, the cleaning work control unit 60 is wirelessly connected to an operation unit possessed by an operator, and controls the apparatus main body 20 according to a signal from the operation unit (for example, a cleaning start signal or a cleaning end signal). It is like this.

  As shown in FIGS. 3 and 4, the moving mechanism 50 of this embodiment has a frame 50b having a substantially rectangular parallelepiped shape, and the front side has an opening so that the apparatus body 20 can be stored from the front side. 50a, and the size thereof is larger than that of the apparatus main body 20 so that the apparatus main body 20 can be stored.

  Further, the moving mechanism 50 is installed at a rear position of the solar panel unit 1 so as to project backward by a predetermined amount. Further, a guide roller 51 is provided so as to contact the rear side surface 1a of the position solar panel unit 1. The guide roller 51 is attached to the lower side of the bottom surface of the moving mechanism 50 and is provided to stably move the moving mechanism 50 in the horizontal direction P of the solar panel unit 1. The unit 1 is installed so as to be hooked on the rear side surface 1a of the unit 1. Further, the guide roller 51 is composed of wheels that face the rear side surface 1a, so that when the moving mechanism 50 moves in the horizontal direction P, the guide roller 51 also rotates and moves. ing. In this embodiment, the guide roller motor 54 is provided, and the guide roller motor 54 is adapted to transmit power for moving the guide roller 51 in the horizontal direction P.

  Further, shafts 52 arranged in the inclination direction L are provided at the left and right positions of the moving mechanism 50, and the positions on the panel surface 3 projecting forward of the shaft 52 are arranged in the horizontal direction P respectively. A plurality of moving tires 53 (here, two on each side) are provided for moving to. Power is supplied to the shaft 52 and the moving tire 53 from the moving tire motor 58 via the transmission means 59, and the moving tire 53 is rotated in the horizontal direction P by the moving tire motor 58, whereby the moving mechanism is moved. 50 is moved in the horizontal direction P.

  Further, on the rear surface of the moving mechanism 50, there is a hoisting machine 56 for the wire members 26 and 27, and a hoisting motor 57 for rotating the hoisting machine 56 to wind up or extend the wire members 26 and 27. ing. By the hoisting machine 56 and the hoisting motor 57, the wire members 26 and 27 can be expanded and contracted to move the apparatus body 20 in the inclination direction L. Here, the first wire 26 extending from the left side of the device main body 20 is wound up by the hoisting machine 56 on the rear right side of the moving mechanism 50, and the second wire 27 extending from the right side of the device main body 20 is rearward left side of the moving mechanism 50. It is adapted to be wound up by the hoisting machine 56, so that the wire members 26 and 27 are crossed and wound up or extended.

  In this embodiment, each of the first wire 26 and the second wire 27 has a different hoisting machine 56 and a hoisting motor 57, and the left and right wires of the wire members 26 and 27 are independent of each other. It can be expanded and contracted. With such a configuration, when the left and right wire members 26, 27 have different expansion and contraction states, etc., the respective winding states are adjusted to maintain the apparatus main body in a horizontal state. Is something that can be done.

  Further, racks 55 are arranged on the upper side of the bottom surface of the moving mechanism 50 at positions where the two pinion gears 25 of the apparatus body 20 mesh with each other. The rack 55 meshes with the pinion gear 25 when the wire members 26 and 27 are wound up and the device body 20 is just stored in the moving mechanism 50. The device main body 20 can be housed in the moving mechanism 50 by rotating the pinion gear 25 with the power of a motor (not shown). If the device body 20 can be stored in the moving mechanism 50 only by winding the wire members 26 and 27, the rack 55 and the pinion 25 mechanism may not be provided, but it cannot be completely stored by only winding the device during storage. In this case, it is necessary to arrange this mechanism.

  Further, as shown in FIG. 4, a moving control unit 70 and a battery 71 are arranged on the front upper surface of the moving mechanism 50. By sending an instruction signal from the moving control unit 70 to the guide roller motor 54 and the moving tire motor 58, the movement of the moving mechanism 50 in the horizontal direction P is controlled. Further, by issuing an instruction signal from the moving control unit 70 to the hoisting motor 57, the hoisting machine 56 is controlled to expand and contract the wire members 26 and 27, and the movement of the apparatus body 20 in the tilt direction L is controlled. It is like this. By arranging the moving control unit 70 and the battery 71 in front of the moving mechanism 50, it is possible to position the center of gravity of the moving mechanism 50 in the front, whereby the guide roller 51 and the moving tire 53 are separated. The moving mechanism 50 can be stably hooked on the solar panel unit 1 only by being in contact with the side surface and the upper surface. Further, the moving control unit 70 is wirelessly connected to an operating unit owned by an operator, and controls the moving mechanism 50 according to a signal from the operating unit (for example, a cleaning start signal or a cleaning end signal). It has become.

  Although not shown here, the cleaning mechanism 30 of the apparatus main body 20 has a sprinkling pipe (not shown) as a “fluid supply pipe” and the like, and water (pure water is even better). Alternatively, the rotating brush 31 may be used for cleaning while spraying a cleaning liquid, a coating liquid, or the like.

  Next, the operation of the solar panel cleaning device 10 of this embodiment will be described.

  When installing the solar panel cleaning device 10 of the present embodiment in the solar panel unit 1, first, the guide roller 51 of the moving mechanism 50 is brought into contact with the rear side surface 1a of the panel surface 3 to move the moving tire. 53 is arranged on the panel surface 3, and the moving mechanism 50 is arranged at the rear position of the solar panel unit 1. Further, the device body 20 is arranged on the panel surface 3, and the moving mechanism 50 and the device body 20 are connected so that the wire members 26 and 27 are in a cross state.

  If the arrangement is possible in this way, cleaning is started from either the left or right end of the panel surface 3. Here, the moving mechanism 50 and the apparatus main body 20 are arranged at the left end, and the apparatus main body 20 is moved forward of the panel surface 3 while the wire members 26 and 27 are extended, and the rotary brush 31 is rotated to perform cleaning. After reaching the lower side of the panel surface 3, while rotating the wire members 26 and 27 in reverse, the rotary brush 31 is rotated in the opposite direction to clean the same position again.

  When the apparatus main body 20 reaches the rear just before the storage of the moving mechanism 50, the pinion gear 25 of the apparatus main body 20 meshes with the rack 55 of the moving mechanism 50, and the pinion gear 25 is rotated as it is. The device body 20 is housed in the moving mechanism 50. When the moving tire 53 can be housed to the extent that it is separated from the panel surface 3, the device body 20 is held in this state, and the guide roller 51 of the moving mechanism 50 and the moving tire 53 are driven to move rightward by one device body. Let

  Thereafter, the rack 55 & pinion 25 mechanism ejects the apparatus main body 20 forward from the moving mechanism 50, extends the wire members 26 and 27, and restarts cleaning. Repeat this to clean up to the right end.

  As described above, in the solar panel cleaning device 10 of the above-described embodiment, the two wire members 26 and 27 that extend from the moving mechanism 50 to the device body 20 and hold the device body 20 are installed in a crossed manner. As a result, the wire members 26 and 27 do not cast shadows on the entire row of the inclination direction L of each panel surface 3 of the solar panel 2 at a time, and as a result, the power generation capacity of the solar panel 2 is increased. Can be prevented, and since the apparatus main body 20 is held by the wire members 26 and 27, maintenance work such as cleaning work can be performed in a stable state.

  Further, according to the solar panel cleaning device 10 of the above-described embodiment, the length of the device body 20 in the inclination direction L is configured to be smaller than the length of one panel surface 3 of the solar panel 2. By so doing, the device body 20 does not cast a shadow on the entire row of the inclination direction L of each panel surface 3 of the solar panel 2 at a time, and as a result, the power generation capacity of the solar panel 2 is prevented from being lowered. You can

  According to the solar panel cleaning apparatus 10 of the above-described embodiment, when the apparatus body 20 is stored in the moving mechanism 50, the wire members 26 and 27 are wound and the rack 55 and the pinion 25 mechanism are meshed and stored. With this configuration, the device body 20 can be housed in the moving mechanism 50 and moved more reliably and smoothly, and as a result, maintenance work can be performed efficiently.

  It should be noted that each of the embodiments described above is described for facilitating the understanding of the present invention, and does not limit the present invention.

  For example, in the above-described embodiment, the guide roller 51 is configured to move in the horizontal direction P while bringing the wheel into contact with the rear side surface (upper side surface) 1a of the solar panel unit 1, but the present invention is not limited to this. Instead of the wheels, the moving mechanism 50 may be moved in the horizontal direction P using a track or a member that slides with respect to the rear side surface 1a.

  Further, in the above-described embodiment, the moving mechanism 50 is hooked on the rear side surface 1a of the solar panel unit 1 by the guide roller 51, and the center of gravity is set forward by the moving control unit 70 or the battery 71, whereby the solar panel unit is obtained. However, the present invention is not limited to this, and the moving mechanism 50 may be held by the solar panel unit 1 in other configurations.

  Further, in the above-described embodiment, the traveling wheels such as the moving tires are provided as the means for moving the device main body 20 having the cleaning mechanism 30 as the maintenance mechanism, but the invention is not limited to this, and the traveling wheels are not limited thereto. Instead, a caterpillar, a sliding member, or the like may be provided, and these may be run on the solar panel 2.

  Further, the configurations of the apparatus main body, the cleaning mechanism, the moving mechanism, the control device, and the like are not limited to the above-described embodiments, and an appropriate configuration may be adopted.

  For example, in the above-described embodiment, the cleaning may be performed by using a liquid such as water or a cleaning liquid, but a gas such as air other than the liquid may be used. Further, the fluid supply method may be any supply method such as a method of ejecting in a mist state, a method of discharging in a pulse shape, a method of dropping the fluid.

  Further, in the above-described embodiment, as the solar panel unit 1, there is a gap S between the solar panels 2 adjacent in the horizontal direction P, but between the solar panels 2 adjacent in the inclination direction L. Although the one having no gap S is used for the above, the present invention is not limited to this. For example, the solar panel unit is a solar panel unit 1 in which there is no gap between adjacent solar panels along the horizontal direction P and a gap between adjacent solar panels along the inclination direction L. You may use it. Furthermore, the solar panel unit 1 having no gap may be used both between the solar panels adjacent to each other in the horizontal direction P and between the solar panels adjacent to each other in the inclination direction L.

  Further, in the above-described embodiment, the wire members 26 and 27 are wound and extended by using the different motors 57, but the present invention is not limited to this. For example, one wire member may be hooked from the main body of the apparatus to the moving mechanism so as to form a figure eight shape to form a cross state, and the wire member may be wound up by one motor.

  Further, in the above-described embodiment, the case where the present invention is applied to the solar panel cleaning device 10 has been described as an example of the solar panel maintenance device, but the present invention is not limited to this. For example, in order to improve or recover power generation, the present invention can also be applied to a solar panel coating device that forms a reflection preventing film by applying a coating agent on the panel surface of a solar panel. The present invention can also be applied to a solar panel coating apparatus further having a function of spreading the applied coating agent with a blade or the like.

  Further, in addition to the solar panel cleaning device of the type that is cleaned using the brush and water as described above, a cleaning device having another configuration, for example, a type of a device that blows dust off the panel surface with a blowing device to clean it Applying the present invention to a solar panel cleaning device, such as a solar panel cleaning device, a type of brush or blade that removes dust and the like by sweeping or wiping the panel surface without using water. Is also good. In addition, the present invention may be applied to a solar panel cleaning device that simultaneously performs cleaning using a brush or a blade and cleaning using a blowing device in parallel.

1 Solar Panel Unit 1a Rear Side 1b Front Side 2 Solar Panel 3 Panel Surface 4 Panel Body 5 Edge 10 Solar Panel Cleaning Device (Solar Panel Maintenance Device)
20 device main body 20a frame 21 shaft 22 shaft 23 moving tire 24 moving tire 25 pinion gear 26 first wire (wire member)
27 Second wire (wire member)
30 Cleaning mechanism (maintenance mechanism)
31 rotary brush 32 rotary brush motor 50 moving mechanism 50a opening 50b frame 51 guide roller 52 shaft 53 moving tire 54 guide roller motor 55 rack 56 hoisting machine 57 hoisting motor 58 moving tire motor 59 moving tire motor 60 Cleaning control unit 61 Battery 70 Moving control unit 71 Battery P Horizontal direction (lateral direction, left-right direction)
L Inclination direction (front-back direction)

Claims (3)

Sunlight for maintaining and managing a solar panel unit in which a plurality of solar panels each having a panel surface are installed side by side in a downward slope or a substantially planar shape from the rear to the front so that the panel surfaces are substantially flush with each other. A panel maintenance device,
An apparatus main body having a maintenance mechanism for performing maintenance work on the solar panel unit while moving in the front-back direction along the panel surface,
A moving mechanism installed in the rear part of the panel surface in the solar panel unit to move the device body laterally while holding the device body,
Have
The device body is held by two wire members extending from the moving mechanism, and by winding or sending the wire members, the device body can be moved in the front-rear direction along the panel surface.
In the wire member, a first wire extending from the right side of the moving mechanism is attached to the left side of the device main body, and a second wire extending from the left side of the moving mechanism is attached to the right side of the device main body. A solar panel maintenance device, which is configured to be installed crossing each other.   The solar panel maintenance device according to claim 1, wherein the length of the device body in the front-rear direction is smaller than the length of the panel surface of the one solar panel. The moving mechanism is configured to move laterally in a state where the device body is housed,
The device body and the moving mechanism have a rack and pinion mechanism configured to mesh with each other when the device body is stored,
The solar panel according to claim 1 or 2, wherein the moving mechanism is configured to wind the wire member and engage the rack and pinion mechanism with each other to accommodate the apparatus main body. Maintenance equipment.

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