JP2022134589A - Solar panel maintenance device - Google Patents

Abstract

To provide a solar panel maintenance device that allows workers to carry and install the solar panel maintenance device so as to reduce labor burden of the workers.SOLUTION: A solar panel maintenance device (100) serves for performing maintenance of a solar panel unit in which multiple solar panels are arranged. The maintenance device includes: a maintenance unit (60) that performs maintenance work on the solar panel unit; a frame unit (20) having first frames (28) extending in a first direction and second frames (27) extending in a second direction intersecting the first direction, and mounting the maintenance unit (60) on the first frames; hinge portions (21) each attached to the frame unit and bent with respect to the first frame; and fixing portions (22) that each fix the hinge portion to the frame unit.SELECTED DRAWING: Figure 1

Description

TECHNICAL FIELD The present invention relates to a solar panel maintenance device for maintaining a solar panel in order to prevent deterioration of the power generation capacity of the solar panel and efficiently generate power.

In order to prevent the power generation capacity of each solar panel of the solar panel unit from declining, there is a cleaning device that cleans the surface of the solar panel that receives sunlight, and a solar panel coating device that coats the surface of the solar panel. It is The solar panel 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 unit such as a rotating brush. Clean with the cleaning unit while driving. Since the cleaning unit moves up and down to clean a large solar panel, two or more guide members along which the cleaning unit moves are connected to secure a vertical movement distance. In order to fix the connecting portion between one guide member and another guide member, the connecting and fixing members have a structure in which the connecting portion of the guide members is sandwiched.

International Publication 2017/145194

However, the structure for connecting one guide member to another guide member is complicated, and the connection fixing member is prepared, so it is difficult to transport a large and heavy cleaning device. A lot of labor was required to install the solar panel cleaning device on the panel.

SUMMARY OF THE INVENTION Accordingly, the present invention provides a solar panel maintenance device that facilitates transportation and installation of the solar panel maintenance device and reduces the labor burden on workers.

The solar panel maintenance device of the present embodiment is a solar panel maintenance device for maintaining a solar panel unit in which a plurality of solar panels are arranged. The maintenance device has a maintenance unit for performing maintenance work on the solar panel unit, a first frame extending in a first direction, and a second frame extending in a second direction intersecting the first direction. It comprises a frame unit on which the maintenance unit is placed, a hinge portion that is attached to the frame unit and folds with respect to the first frame, and a fixing portion that fixes the hinge portion to the frame unit at 0 degrees.

Further, the hinge portion of the frame unit of the maintenance device has two first and second hinge portions arranged side by side in the first direction, and the first hinge portion and the second hinge portion are respectively bent.
The first frame of the frame unit has a guide rail extending in the first direction, and the fixed portion of the frame unit slides along the guide rail of the first frame to form the first hinge portion and the second hinge portion. It is preferable to fix the part.

Further, the maintenance device includes: a first positioning member attached to the frame unit for positioning the frame unit and the other frame unit in the first direction; and a second positioning member for positioning the unit.
The first positioning member is a C-shaped hook hooked on a second frame of another frame unit, and the first frame of another frame unit has a guide rail extending in a first direction. there is The second positioning member can slide along the guide rail of the first frame of the frame unit and the guide rail of the first frame of the other frame unit to position the frame unit and the other frame unit. .

Further, the maintenance device preferably comprises a drive unit attached to the frame unit for driving the frame unit in the second direction.
The maintenance unit preferably has a drive for movement in the first direction.
The maintenance unit may also be guided by a guide frame provided parallel to the first frame of the frame unit.
The maintenance unit preferably includes a nozzle for ejecting liquid onto the panel surface of the solar panel unit and a cleaning brush for cleaning the panel surface of the solar panel unit.
Moreover, it is preferable that the maintenance unit includes a nozzle for ejecting the coating agent onto the panel surface of the solar panel unit and an application section for applying the coating agent.

Since the solar panel maintenance device of the present invention has the hinge portion, the frame unit can be folded, so that transportation and installation can be easily performed, and the labor burden on the operator can be reduced. .

It is a top view of the maintenance apparatus 100 mounted on the solar panel unit SPU. 2 is an overall configuration diagram of a frame unit 20; FIG. It is a perspective view of a caster. 3A and 3B are a plan view and a front view of the periphery of a connecting portion CN of the frame unit 20. FIG. FIG. 10 is a front view showing a state in which the connecting portion CN is broken at the hinge portion 21; FIG. 4 is an overall view showing a state in which a frame unit is folded with respect to another frame unit; 4 is another embodiment of the hinge. 2 is an overall configuration diagram of a drive unit 50. FIG. 2 is an overall configuration diagram of a maintenance unit 60. FIG.

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, embodiments according to the present invention will be described in detail with reference to the drawings. In the present specification and drawings, constituent elements having substantially the same functional configuration are denoted by the same reference numerals, thereby omitting redundant description. Also, in each drawing, the actual dimensions are not drawn in order to emphasize the members.

In this embodiment, a cleaning process for cleaning a solar panel as a solar panel maintenance device will be described. However, maintenance is a concept that includes not only cleaning the solar panel but also coating treatment to form a coating layer by applying a coating agent to the solar panel in order to increase the durability and dust resistance of the solar panel.

<Overview of Solar Panel Unit>
FIG. 1 is a plan view of a maintenance device 100 mounted on a solar panel unit SPU. As shown in FIG. 1, the solar panel maintenance device 100 of this embodiment cleans the surface of the solar panel unit SPU. This solar panel unit SPU is configured by arranging a plurality of solar panels SP in the front, rear, left, and right directions. The solar panel unit SPU includes, for example, 1.0 m×1.5 m solar panels SP arranged side by side in the Y-axis direction and 10 in the X-axis direction (partially shown). Each solar panel SP is a panel having a panel surface (+Z axis side) that takes in sunlight for photovoltaic power generation and a power generation device (not shown) arranged on the back side (−Z axis side). It has a body and a rim PP around it. Among them, the panel surface 3 is made of glass, and the edge PP is made of metal such as aluminum. The solar panel unit SPU is generally installed in a state in which the panel surface is inclined, that is, in a state in which the upper side surface SP1 in FIG. 1 is higher (+Z-axis side) than the lower side surface SP2. In FIG. 1, the X-axis direction is a substantially horizontal horizontal direction, and the Y-axis direction is a direction substantially parallel to the inclined panel surface.

<Overview of solar panel maintenance device 100>
A solar panel maintenance device 100 according to the present embodiment will be described. This solar panel maintenance device 100 includes a head unit 10 , a frame unit 20 , a bottom unit 40 , a drive unit 50 and a maintenance unit 60 . The maintenance device 100 shown in FIG. 1 has four frame units 20 (20a, 20b, 20c, 20d) connected in the vertical direction (Y-axis direction) of the solar panel unit SPU. If the solar panel unit SPU is small, the maintenance device 100 only needs to include one head unit 10, one frame unit 20, and one maintenance unit 60. FIG. The bottom unit 40 is not necessarily provided because the solar panel unit SPU is inclined.

The head unit 10 is provided with wheels 11 facing the upper side surface SP1, and the maintenance device 100 is supported by the upper side surface SP1 of the inclined panel surface with these wheels 11. ).

The frame unit 20 mounts the maintenance unit 60 thereon. The maintenance unit 60 can move in the Y-axis direction of the frame unit 20 . The frame unit 20 has two horizontal frames 27 , two vertical frames 28 and a guide frame 29 . Furthermore, the frame unit 20 has a hinge portion 21 for folding the head unit 10 with respect to the adjacent frame unit 20 . The head unit 10 can be folded 180 degrees with respect to the frame unit 20 at the hinge portion 21 . Also, one of the adjacent frame units 20 (eg 20b) can be folded 180 degrees with respect to the other frame unit 20 (eg 20c) at the hinge portion 21 .

The bottom unit 40 is a unit that stops the maintenance unit 60 moving on the frame unit 20 so that it does not move beyond the frame unit 20 in the -Y-axis direction. The bottom unit 40 of this embodiment does not have the wheels 11 that the head unit 10 has, but the bottom unit 40 has the wheels 11, and the upper side surface SP1 and the lower side surface SP2 of the solar panel unit SPU are viewed from both sides. You may make it clamp by the wheel 11. FIG. Since the bottom unit 40 shown in FIG. 1 is small, it is not intended to be folded, and the hinge portion 21 is not provided. However, the bottom unit 40 may have the hinge portion 21 so that it can be folded 180 degrees with respect to the frame unit 20 .

The drive unit 50 is detachably attached to the back side (−Z axis direction) of the frame unit 20 . In this embodiment, it is attached to the second frame unit 20 from the top, but it may be attached to the frame unit 20 at any position. It is appropriately selected according to the inclination angle of the solar panel unit SPU.

The maintenance unit 60 is detachably attached to the front side of the frame unit 20 (+Z-axis direction). The wheels of the maintenance unit 60 can move in the Y-axis direction while riding on the two vertical frames 28 . The maintenance unit 60 is guided by the guide frame 29 so that the wheels of the maintenance unit 60 do not come off the two vertical frames 28 . The maintenance unit 60 can clean the surface of the solar panel unit SPU and apply a coating process to the solar panel unit SPU.

<Overview of Frame Unit 20>
2A and 2B are a plan view, a front view, and a right side view of the frame unit 20. FIG. The frame unit 20 is roughly divided into an extension portion EX and a connecting portion CN. In the frame unit 20, two horizontal frames 27 are attached to two vertical frames 28 at positions midway between the vertical frames 28, and both ends of the vertical frames 28 (±Y-axis directions) extend from the horizontal frames 27. jumping out. The horizontal frame 27 and the vertical frame 28 are made of metal, for example, and have a circular or octagonal cross-section. It is The horizontal frame 27 and the vertical frame 28 are fixed by four triangular reinforcing plates attached to guide rails, and have a rectangular frame structure. A caster 80 that rotates in the X-axis direction is arranged at one end (−Y-axis side) of the vertical frame 28 . Since it is preferable for the caster 80 to pass through the edge PP of the solar panel SP, the position of the caster 80 in the Y-axis direction can be adjusted according to the position of the edge PP of the solar panel SP. That is, the casters 80 may be arranged on the vertical frame 28 between the two horizontal frames 27 instead of on the ends of the vertical frame 28 . A structure for adjusting the position of the caster 80 in the Y-axis direction will be described with reference to FIG. The height of caster 80 is set to Z1.

A guide frame 29 is provided across the two horizontal frames 27 and parallel to the vertical frames 28 . This guide frame 29 serves as a guide when the maintenance unit 60 moves on the vertical frame 28 in the Y-axis direction. As will be described later, since the four wheels of the maintenance unit 60 move while being in contact with the vertical frame 28, the maintenance unit 60 is accurately guided in the Y-axis direction by the guide frame 29 so that the wheels do not come off the vertical frame 28. be done. Note that it is not always necessary to provide the guide frame 29 . For example, if the maintenance unit 60 is fitted with flanged wheels, such as train wheels, the maintenance unit 60 can move along the longitudinal frame 28 in the Y-axis direction without the guide frame 29 .

A connecting portion CN is provided at the other end (+Y-axis side) of the vertical frame 28 . The connecting portion CN includes the hinge portion 21, two connecting frames 26 on which the hinge portions 21 are placed, a support frame 25 supporting the two connecting frames 26, and a first positioning member 24 for positioning in the Y-axis direction. , a second positioning member 23 for positioning in the X-axis direction, and a fixing portion 22 for fixing the hinge portion 21 . The length Y1 of the connecting portion CN in the Y-axis direction is the length Y2 from the horizontal frame 27 on the +Y-axis side to the end of the vertical frame 28 on the +Y-axis side, and the length Y2 from the horizontal frame 27 on the −Y-axis side to the −Y-axis side. This length is the sum of the length Y3 to the end of the vertical frame 28 . The total length in the Y-axis direction, which is the sum of the length of the fixed portion 22 and the length of the second positioning member 23, is the length Y2 from the +Y-axis side horizontal frame 27 to the +Y-axis side vertical frame 28 end. approximately equal to

<<About casters>>
Caster 80 has wheels 81 , shafts 82 passing through the wheels, and top plates 83 . An X-axis rail 84 extending in the X-axis direction is provided on the top plate 83 to position the top plate 83 in the X-axis direction. An adjustment plate 86 is placed on the X-axis rail 84, and a female-type X-axis guide 86a is formed on the adjustment plate 86 so that the position can be adjusted in the X-axis direction. A fixing plate 87 for fixing the position of the adjusting plate 86 in the X direction is arranged so as to correspond to the female type X-axis guide 86a. By tightening a bolt (not shown) or the like, the X-axis rail 84 is tightened by the fixing plate 87 and the female X-axis guide 86a, thereby fixing the position of the adjustment plate 86 in the X-axis direction.

A female Y-axis guide 86b is formed on the adjustment plate 86 so that the position can be adjusted in the Y-axis direction. A fixing plate 89 for fixing the position of the adjustment plate 86 in the Y direction is arranged so as to correspond to the female Y-axis guide 86b. The guide rail of the vertical frame 28 shown in FIG. 2 enters into the female Y-axis guide 86b. By tightening a bolt (not shown) or the like, the guide rail of the vertical frame 28 extending in the Y-axis direction is tightened by the fixed plate 89 and the female Y-axis guide 86b, thereby fixing the position of the adjustment plate 86 in the Y-axis direction. be. In this way, the casters 80 are prevented from passing through the edge PP of the solar panel SP and damaging the surface of the solar panel SP.

<<About the connecting part>>
The connecting part CN will be described in more detail with reference to FIGS. 4 and 5. FIG. 4A and 4B are a plan view and a front view of the periphery of the connecting portion CN of the frame unit 20. FIG. In FIG. 4, the horizontal frame 27c and the vertical frame 28c of the frame unit 20c are drawn with dashed lines so that the state of connection between the frame unit 20c and the frame unit 20d can be understood. In the lower side of the plan view and the front view of FIG. 4, one vertical frame 28c is not drawn so that the fixing portion 22 that fixes the second positioning member 23 and the hinge portion 21 can be understood. FIG. 5 is a front view showing a state in which the connecting portion CN is bent 180 degrees at the hinge portion 21. FIG. In FIG. 5, the vertical frame 28c of the frame unit 20c and the vertical frame 28d of the frame unit 20d are drawn with dashed lines so that the connecting frame 26 can be understood. The vertical frame 28c is not drawn so that the fixed portion 22 to be fixed can be understood.

As shown in FIGS. 4 and 5, the connecting frame 26 is composed of a first connecting frame 26-1, a second connecting frame 26-2 and a third connecting frame 26-3. The first connecting frame 26-1 and the second connecting frame 26-2 are connected to each other by the first hinge portion 21-1. The second connecting frame 26-2 and the third connecting frame 26-3 are connected to each other by the second hinge portion 21-2. The first hinge portion 21-1 and the second hinge portion 21-2 only need to have a function of being bent at an angle of 90 degrees or more about the rotation axis RG. In the present embodiment, they are bent at an angle of 180 degrees or more about the rotation axis RG. have a function. The length of the second connecting frame 26-2 in the Y-axis direction is equal to the length from the rotation axis RG of the first hinge portion 21-1 to the rotation axis RG of the second hinge portion 21-2.

Since the first hinge portion 21-1 and the second hinge portion 21-2 are bent 90 degrees around the rotation axis RG and the length of the second connection frame 26-2 (in the Y-axis direction) is longer, the guide frame 29c and the guide frame 29d do not collide. Also, as shown in FIG. 4, the spatial distance (Y-axis direction) from one end of the guide frame 29c to one end of the guide frame 29d is substantially equal to the length (Y-axis direction) of the second connecting frame 26-2.

As shown in FIG. 4, the fixed portion 22 and the second positioning member 23 have substantially the same shape, but different lengths in the Y-axis direction. The fixed portion 22 and the second positioning member 23 are slidable along guide rails formed on the vertical frame 28 d and guide rails formed on the connecting frame 26 . The fixing portion 22 and the second positioning member 23 on the +X-axis side in FIG. 4 are arranged positions when the first hinge portion 21-1 and the second hinge portion 21-2 are folded. The fixing portion 22 and the second positioning member 23 on the −X axis side in FIG. 4 are arranged positions when the first hinge portion 21-1 and the second hinge portion 21-2 are at 0 degrees.

The length of the fixing portion 22 in the Y-axis direction is longer than the length of the second connecting frame 26-2 in the Y-axis direction. Therefore, one fixing portion 22 can fix the rotation axis RG of the first hinge portion 21-1 and the rotation axis RG of the second hinge portion 21-2.

FIG. 6 is an overall plan view showing a state in which the frame unit 20c is bent 180 degrees with respect to the frame unit 20d. The guide frame 29c and the guide frame 29d just overlap in the Z-axis direction. When there are four frame units 20 from frame unit 20a to frame unit 20d as shown in FIG. 1, the two folded frame units 20 shown in FIG. 6 are stacked in two layers. For this reason, the operator can easily load the maintenance device 100 on a vehicle or the like and handle it easily.

Next, a hinge portion different from the first hinge portion 21-1 and the second hinge portion 21-2 described with reference to FIGS. 4 to 6 will be described with reference to FIG. FIG. 7 is a plan view showing a state in which the frame unit 20c is bent 180 degrees with respect to the frame unit 20d at one third hinge portion 21B. As noted above, guide frame 29 may be omitted if maintenance unit 60 is fitted with flanged wheels, such as train wheels. If the guide frame 29 is not provided, the distance (height) in the Z-axis direction may be small when the hinge portion 21 is bent.

In FIG. 7, the connecting frame 26 is composed of a first connecting frame 26-1 and a third connecting frame 26-3. The first connecting frame 26-1 and the third connecting frame 26-3 are connected to each other by the third hinge portion 21B. The hinge preferably has a larger diameter than the first or second hinge portion 21 shown in FIG. 4 and the like. Thus, it is also possible to fold the frame unit 20c with respect to the frame unit 20d with one third hinge portion 21B.

<Overview of Drive Unit 50>
8A and 8B are a plan view and a front view of the drive unit 50. FIG. The drive unit 50 may be composed of, for example, two vertical frames 58 and five horizontal frames 27 attached to the vertical frames 58 . The horizontal frame 57 and the vertical frame 58 are made of metal, for example, and have a circular or octagonal cross section. It is In order to attach the drive unit 50 to the frame unit 20 , four or more connection portions 52 are provided on the vertical frame 58 . The connecting portion 52 is composed of a crimping plate, a bolt, and the like, and is connected to the vertical frame 28 of the frame unit 20 described above. Further, the vertical frame 58 and the horizontal frame 57 are connected to the power source BAT, the electronic control unit 51, the drive motor 53 as a driving section, and the power transmission system 55 for transmitting the power of the drive motor 53, and the power transmission system 55. A tire 59 is attached.

The electronic control unit 51 gives a drive signal to the drive motor 53 in response to an instruction from a remote controller (not shown) operated by an operator. The drive motor 53 receives a drive signal from the electronic control unit 51 and generates a drive force. The driving force is transmitted to tires 59 via a power transmission system 55 having a chain transmission member and a coupling 56 .

The power transmission system 55 is provided along the vertical direction (Y-axis direction) of the solar panel unit SPU, and tires 59 are fixed to predetermined positions of the power transmission system 55 . The height of the caster 80 shown in FIG. 2 is Z1, and the height from the mounting surface of the tire 59 shown in FIG. 8 to the connection portion 52 is also Z1. As described above, the power transmission system 55 and the coupling 56 are connected to these tires 59 so that the driving force from the drive motor 53 is transmitted. With such a configuration, the drive unit 50 moves the head unit 10, the frame unit 20, the bottom unit 40 and the maintenance unit 60 shown in FIG. It can be moved in the lateral direction (X-axis direction).

<Overview of maintenance unit 60>
9A and 9B are a plan view, a front view, and a right side view of the maintenance unit 60. FIG. The maintenance unit 60 has a main apparatus MAI on, for example, two vertical frames 68 and two horizontal frames 27 attached to the vertical frames 68, and cleaning units 65 are attached on both sides thereof. Four rollers RR are arranged on the vertical frame 68 so that the maintenance unit 60 can be placed on the vertical frame 28 of the frame unit 20 and moved in the Y-axis direction. Further, as shown in the right side view of FIG. 9, the maintenance unit 60 has a guide portion 69 consisting of a guide cover and a plurality of guide wheels. The guide wheels of the guide portion 69 come into contact with the guide frame 29 to guide the movement of the maintenance unit 60 placed on the vertical frame 28 of the frame unit 20 . Although it is not a member of the maintenance unit 60, the guide frame 29 is indicated by dotted lines in the right side view of FIG.

A power supply BAT, an electronic control unit 61, a winding unit 62 as a driving device for moving the maintenance unit 60 in the +Y-axis direction, and a hose for supplying liquid are contained within a frame provided by the vertical frame 68 and the horizontal frame 67. It has a hose reel HR that houses the HS and a solenoid valve SV.

The electronic control unit 61 receives instructions from a remote controller (not shown) operated by an operator, gives a movement signal to the winding unit 62, and opens the solenoid valve SV to release cleaning liquid or water. . The winding unit 62 has a drum for winding the rope and a motor for rotating the drum. One end of the rope is fixed to a part of the head unit 10 by tying it, for example, the motor is rotated forward to wind up the rope (by shortening the rope), thereby moving the maintenance unit 60 in the +Y-axis direction. .

The hose reel HR has a drum that houses the hose HS from the tap, tank, detergent container or the like to the maintenance unit 60 . The drum of the hose reel HR has an urging member that produces elastic force such as a spiral spring, and may also have a ratchek. One end of the hose HS extends in the -Y-axis direction and is fixed to, for example, a tap. For example, when one end of the hose HS is fixed to the water supply port, the winding of the winding part 62 is stopped and the rope is stretched. - Move in the Y-axis direction. In addition, since the solar panel unit SPU is generally tilted in many cases, if the solar panel unit SPU is tilted, the maintenance unit 60 may move in the -Y-axis direction due to its own weight. can. Since the movement in the ±Y-axis direction has such a simple structure, the weight of the maintenance unit 60 can be reduced. Instead of the wind-up portion 62 and the hose HS, a spiral spring may be used, and the driving device may be composed of a driving motor, a power transmission system, tires, etc., like the driving unit 50 described above.

The cleaning units 65 located on both sides of the main unit MAI can be folded to rest on the main unit MAI or opened 180 degrees as shown in FIG. can be done. The cleaning unit 65 has a plurality of nozzles 64 to which hoses HS are connected, a rotating brush RB for brushing the surface of the solar panel SP, a brush cover BC for preventing liquid from scattering, and a height adjuster 66. there is Cleaning liquid or the like is ejected from the nozzle 64, and the rotating brush RB rotates to clean the surface of the solar panel SP. The height adjustment part 66 has a spring, a height adjustment screw, and the like, and can match the nozzle 64, rotating brush RB, and brush cover BC to the surface height of the solar panel SP.

Although not shown in particular, the maintenance unit 60 can replace the cleaning unit 65 or replace the rotating brush RB with a fiber cloth or a sponge or the like for coating. For example, instead of cleaning liquid or water, a coating agent may be supplied from the hose HS, the coating agent may be applied from the nozzle 64, and the coating agent may be applied to the surface of the solar panel SP at the applying portion.

The solar panel maintenance device of the present disclosure may have a coating function instead of the cleaning function of cleaning the solar panel. In this embodiment, the drive unit 50 is provided with the power source BAT, and the maintenance unit 60 is also provided with the power source BAT, but they may be integrated into either one. Further, although the drive unit 50 is provided with the electronic control unit 51 and the maintenance unit 60 is also provided with the electronic control unit 61, they may be integrated into either one.

Reference Signs List 100 Maintenance device 10 Head unit 20 (20a, 20b, 20c, 20d) Frame unit 21 (21-1, 21-2, 21B) Hinge part 22 Fixed part 23 Second positioning member 24 ... first positioning member 26 (26-1, 26-2, 26-3) ... connection frame 25 ... support frame 27 ... horizontal frame 28 ... vertical frame 29 ... guide frame 40 ... bottom unit 50 ... drive unit 51 … electronic control unit,
52 ... Connection part 53 ... Drive motor 55 ... Power transmission system 56 ... Coupling
57... Horizontal frame, 58... Vertical frame, 59... Tire 60... Maintenance unit, 61... Electronic control unit,
62... Winding part 63... Rotating hinge 64... Nozzle 65... Cleaning unit 66... Height adjustment part 67... Horizontal frame 68... Vertical frame 69... Guide part 80... Caster 86... Adjustment plate BAT... Power supply , BC... Brush cover CN... Connecting part, EX... Extension part HR... Hose reel, HS... Hose
RB … Rotating brush
SPU … solar panel, SPU … solar panel unit

Claims (10)

A solar panel maintenance device for maintaining a solar panel unit in which a plurality of solar panels are arranged,
a maintenance unit that performs maintenance work on the solar panel unit;
a frame unit having a first frame extending in a first direction and a second frame extending in a second direction intersecting the first direction, wherein the maintenance unit is mounted on the first frame;
a hinge portion that is attached to the frame unit and folds with respect to the first frame;
a fixing portion that fixes the hinge portion to 0 degrees with respect to the frame unit;
A solar panel maintenance device comprising: 2. The hinge portion of the frame unit includes a first hinge portion and a second hinge portion arranged side by side in the first direction, and the first hinge portion and the second hinge portion are respectively bent. maintenance equipment of the solar panel as described in . the first frame of the frame unit has a guide rail extending in the first direction;
The maintenance of the solar panel according to claim 2, wherein the fixing portion of the frame unit slides along the guide rail of the first frame to fix the first hinge portion and the second hinge portion. Device. a first positioning member attached to the frame unit for positioning the frame unit and the another frame unit in the first direction;
a second positioning member attached to the frame unit for positioning the frame unit and another frame unit in the second direction;
The solar panel maintenance device according to any one of claims 1 to 3, comprising: the first positioning member is a C-shaped hook, and the hook is hooked on the second frame of the separate frame unit;
the first frame of the another frame unit has a guide rail extending in the first direction;
The second positioning member slides along the guide rails of the first frame of the frame unit and the guide rails of the first frame of the separate frame unit to move the frame unit and the separate frame unit. 5. The solar panel maintenance device according to claim 4, wherein the positioning of the . a drive unit attached to the frame unit for driving the frame unit in the second direction;
The solar panel maintenance device according to any one of claims 1 to 5, comprising: The solar panel maintenance device according to any one of claims 1 to 6, wherein the maintenance unit has a driving device for moving in the first direction. 8. The solar panel maintenance device according to claim 7, wherein the maintenance unit is guided by a guide frame provided parallel to the first frame of the frame unit. 9. The maintenance unit according to any one of claims 1 to 8, wherein the maintenance unit includes a nozzle for ejecting liquid onto the panel surface of the solar panel unit and a cleaning brush for cleaning the panel surface of the solar panel unit. solar panel maintenance equipment. The solar light according to any one of claims 1 to 8, wherein the maintenance unit includes a nozzle for ejecting a coating agent onto the panel surface of the solar panel unit and an application section for applying the coating agent. Panel maintenance device.

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