KR102487531B1 - Photovoltaic panel washing device of photovoltaic generator - Google Patents

Abstract

The present invention relates to a photovoltaic panel washing device of a photovoltaic generator, which is to remove foreign substances from photovoltaic panels which collect sunlight. According to the present invention, the photovoltaic panel washing device comprises: transverse and longitudinal mounting rails; a washing block equipped with a brush pad; a mounting block having a drone mounted thereon to transmit rotational power to the brush pad; a washing block mounted on the mounting block and coupled to the longitudinal and transverse mounting rails; the drone which enables the washing of the photovoltaic panel through the brush pad by transmitting the rotational power while guiding the movement of the mounting block; and a control server for controlling drone flight, hovering, and descent.

Description

Photovoltaic panel washing device of photovoltaic generator}

The present invention relates to a solar power generation panel cleaning device of a solar power generator for removing foreign substances from solar power generation panels concentrating sunlight.

In general, R&D and application of new and renewable energy are being actively conducted to diversify energy supply sources.

Among new and renewable energies, solar energy is developing the fastest because it can be produced regardless of environmental pollution, and various related fields such as development of high-efficiency solar cells, power converters, power storage devices, panel attitude control, and solar panel maintenance technology are developing together. are doing

Here, the power generation efficiency of the photovoltaic panel suffers loss due to various factors. Representatively, loss due to leakage due to leakage current between the frame constituting the panel and the solar cell module, and loss due to high temperature of the panel. and losses due to contaminants, obstructions and masking on the panel surface.

At this time, leakage current and high temperature are problems of the solar power generation panel itself, and the most accessible factor besides the problem of the solar power generation panel itself is to prevent contamination of the solar power generation panel.

Therefore, in order to maintain the solar power generation through the solar power generation panel, it is very important to maintain the surface of the panel clean through periodic panel management.

Republic of Korea Patent Registration No. 10-1921087 (Announced on November 23, 2018)

An object of the present invention is to improve the power generation efficiency of a solar power generator by enabling cleaning while driving or moving along a set direction on an inclined surface of a solar power generation panel, as well as inducing automatic cleaning of the surface of a solar power generation panel through a drone. It is to provide a solar power generation panel cleaning device of a solar power generator that allows to increase.

In addition, through the rotational power transmitted from the drone, the brush pad easily removes solid, liquid, particulate foreign substances or contaminants remaining on the surface of the solar power generation panel to keep the surface of the solar power generation panel clean, thereby increasing power generation efficiency. It is also an object of the present invention to be able to increase.

Furthermore, a single drone can clean multiple photovoltaic panels installed with transverse and longitudinal mounting rails, washing blocks and mounting blocks, as well as large-scale solar power that is spread over a wide area or work at heights with high work risk. In addition to making it easy to clean the solar power generation panels at power plants, the solar power generation panels of solar power generators installed on steep slopes, forests, and coastal areas are also controlled based on environmental information and installation information of the installation location through the control server. It is also an object of the present invention to implement a general-purpose cleaning operation by overcoming the geographical limitations of the solar power generation panel installation area, which is difficult to clean, by allowing drones to easily access inaccessible target areas.

The photovoltaic panel washing device of the photovoltaic generator according to the present invention for achieving the above object is arranged spaced upward from the support installed at regular intervals along the circumferential direction of the photovoltaic panel in a tubular shape, and photovoltaic power generation Left and right transverse and vertical vertical mounting rails with a plurality of injection holes for spraying the washing water supplied from the outside of the panel; It is disposed at the corner of the support installed in a square shape before the cleaning operation of the photovoltaic power generation panel, and the transverse and longitudinal mounting rails are spaced apart in the vertical direction and pass through in a state of crossing, and are provided on the lower side to A first gear that is connected to a brush pad that cleans the photovoltaic panel through a first rotating shaft, has a pressure spring that presses the brush pad downward, and is connected to the first rotating shaft to transmit rotational power to the brush pad. A second gear meshing with the first gear, a third gear connected to the second gear through a second rotation shaft, and a fourth gear meshing with the third gear. a washing block provided; A third rotation shaft connected to the upper side of the washing block at intervals and connected to the fourth gear to transmit rotational power is provided at a lower end, a mounting groove is formed at the upper end, and a cup shape is formed in the mounting groove. A mounting block having a mounting holder and extending downward while being integral with the mounting holder and having a sliding rod capable of sliding vertically in a sliding groove formed at an upper end of the third rotating shaft; A drive motor is provided on the inside, and a fourth rotation shaft connected to the drive motor is provided, and a cup shape corresponding to the mounting holder is integrally provided at the lower end of the fourth rotation shaft and includes a rotatable coupling block, It flies toward the photovoltaic panel and descends in a hovering state in a state where the washing block is disposed at the edge of the support, and the coupling block is coupled to the mounting holder to transmit rotational power through the driving motor to the brush pad. At the same time, the drone induces the cleaning block and the mounting block to move along the horizontal and vertical mounting rails as the drone flies in a state in which the coupling block is coupled to the mounting holder; and a control server that selects an area in which the drone will fly in an area where the solar power generation panel is installed and provides the coordinates of the flight area, a hovering point, and a descending point to the drone through wireless communication.

The mounting block is provided in the mounting groove in a housing shape corresponding to the mounting groove with an upper portion partially opened, and forms a through hole at the bottom through which the sliding rod passes toward the third rotational axis, and has a lower corner portion and a side portion. They are connected by a hinge and further include a release prevention housing forming a pressure piece protruding inward toward a partially opened portion along the circumferential direction from the top, wherein the release prevention housing is connected to the bottom surface of the through-hole forming portion and the An installation in which an extension spring is interposed in the vertical direction between the upper surfaces of the third rotation shaft is formed, and the extension spring forms a shape surrounding the sliding rod at the lower part of the through hole, and the extension spring is placed in the mounting holder as the drone descends. When the coupling block is coupled, the mounting holder is pressed by the weight of the drone, and the elastic spring is compressed, and at the same time, the sliding rod slides downward in the sliding groove, and the separation prevention housing moves inward around the hinge It is possible to prevent the drone from departing from the mounting block by pressing downward while forming a bent and collected shape while covering the mounting holder and the coupling block.

The third rotating shaft may include an upper shaft having the sliding groove formed at an upper end; a lower shaft connected to the fourth gear; and a universal joint connecting the upper shaft and the lower shaft, wherein the washing block and the mounting block are connected by a plurality of support springs, and the washing by flying of the drone in a state in which the combining block is coupled to the mounting holder. When the block and the mounting block are induced to move along the transverse and longitudinal mounting rails, it is possible to buffer and support the inclination of the mounting block.

The washing block is installed in such a way that the transverse and longitudinal mounting rails are spaced apart in the vertical direction and intersect, and the transverse and longitudinal mounting rails have a shape protruding from each side through which they pass. and a scattering blocker pipe installed to cover the transverse and longitudinal mounting rails and block some of the spray holes to block spraying of washing water, wherein the scattering blocker pipe rotates the brush pad from the washing block. It protrudes by a length exceeding the diameter of the circular shape formed by the above, so that foreign substances from the photovoltaic power generation panel may be prevented from scattering due to spraying of washing water and rotation of the brush pad.

According to the configuration of the present invention described above, it is possible to clean while driving or moving along a set direction on the surface of an inclined photovoltaic panel, and by inducing the surface of the photovoltaic panel to be automatically cleaned through a drone, power generation of a photovoltaic generator It has the effect of increasing efficiency.

In addition, through the rotational power transmitted from the drone, the brush pad easily removes solid, liquid, particulate foreign substances or contaminants remaining on the surface of the solar power generation panel to keep the surface of the solar power generation panel clean, thereby increasing power generation efficiency. There are also effects that can be increased.

Furthermore, a single drone can clean multiple photovoltaic panels installed with transverse and longitudinal mounting rails, washing blocks, and mounting blocks, as well as large-scale photovoltaic power plants that are spread out in open areas or work at heights with high work risk. In addition to easy cleaning of solar power generation panels, solar power generation panels of solar power generators installed in steep mountain areas, forests, and coastal areas are also difficult to access target areas based on environmental information and installation information of the installation location through the control server. There is also an effect of realizing general-purpose cleaning work by overcoming the geographical limitations of the solar power generation panel installation area, which is difficult to clean, by allowing drones to easily access it.

1 and 2 are perspective views schematically showing a photovoltaic panel cleaning device of a photovoltaic generator according to the present invention.
3 to 7 are cross-sectional views schematically showing a photovoltaic panel cleaning device of a photovoltaic generator according to the present invention.

Hereinafter, with reference to the accompanying drawings, preferred implementation configurations for realizing the object of the present invention described above and operational relationships according to these configurations will be described, and detailed descriptions of technical configurations in the same or the same category as the prior art will be omitted. do it with

The present invention relates to a solar power generation panel cleaning device of a solar power generator for removing foreign substances from solar power generation panels concentrating sunlight.

To this end, the configuration of the photovoltaic panel cleaning device of the photovoltaic generator according to the present invention is, as shown in FIGS. 1 to 7, horizontal and longitudinal mounting rails 100, cleaning blocks 200, and mounting blocks (300), drone 400 and control server.

The transverse (X-axis direction) and longitudinal (Y-axis direction) mounting rails 100 of the present invention are tubular, as shown in FIGS. 1 to 3 and 5 to 7, of the photovoltaic panel 1 It may be spaced upward from the support 2 installed at regular intervals along the circumference and formed with a plurality of nozzles 110 for spraying washing water supplied from the outside of the photovoltaic panel 1.

In addition, in describing the present invention, since the photovoltaic panel 1 is the same as or similar to that provided in a conventional photovoltaic generator, the specific structure and form thereof are in order not to obscure the gist of the present invention. to omit

Here, the support 2 may be applied with a normal frame or beam, and the transverse and longitudinal mounting rails 100 are spaced upward from the support 2, as well as sliding by the drone 400 described later. Both ends of the lateral and longitudinal mounting rails 100 may be coupled to the movable block by providing a movable block having a predetermined height to enable.

As shown in FIGS. 1 to 3, 5 and 6, the cleaning block 200 of the present invention penetrates in a state where the transverse and longitudinal mounting rails 100 are spaced apart in the vertical direction and intersect, and the lower side It is provided on the brush pad 210 for cleaning the photovoltaic panel 1 and is connected through a first rotating shaft 220, and is provided with a pressure spring 230 that presses the brush pad 210 downward, A first gear 240 is connected to the first rotational shaft 220 to transmit rotational power to the brush pad 210, and a second gear 250 meshing with the first gear 240 is provided. The second gear 250 and the third gear 270 connected through the second rotational shaft 260 may be provided, and the fourth gear 280 meshing with the third gear 270 may be provided.

Here, the cleaning block 200 is directly vertically downward through the third rotational shaft 310 described later due to the structural characteristics of the transverse and longitudinal mounting rails 100 penetrating while forming an intersection while being spaced apart in the vertical and vertical directions. Since rotational power cannot be transmitted to the brush pad 210, as shown in FIGS. 3 and 5, the fourth gear 280 connected to the third rotational shaft 310, the third gear 270, and the second rotational shaft 260 ), the second gear 250, the first gear 240, and the first rotating shaft 220 are applied to transmit rotational power to the brush pad 210.

As shown in FIGS. 1 and 7 , the washing block 200 is a corner of the support 2 installed in a square shape along the circumferential direction of the photovoltaic panel 1 before the cleaning operation of the photovoltaic panel 1. It may be disposed at any one of the corner parts that have already been set among the parts.

In particular, the washing block 200, as shown in FIGS. 3 and 5, is installed in a state where the transverse and longitudinal mounting rails 100 are spaced apart in the vertical direction and intersect, but the transverse and longitudinal It is installed so as to form a shape protruding from each side through which the directional mounting rail 100 passes, covering the transverse and longitudinal mounting rails 100 and blocking some of the plurality of spray holes 110 to block spraying of the washing water. It may be formed in a form further including a blocking pipe 290.

The scattering block pipe 290 protrudes from the washing block 200 by a length exceeding the diameter of the circular shape formed by the rotation of the brush pad 210, and generates solar power according to the spraying of washing water and the rotation of the brush pad 210. It is possible to increase the cleaning efficiency of the solar power generation panel 1 by blocking the scattering of foreign substances of the panel 1 .

As shown in FIGS. 1 to 6, the mounting block 300 of the present invention is connected to the upper side of the washing block 200 at intervals and is connected to the fourth gear 280 to transmit rotational power. 310 is provided at the lower end so as to extend downward, a mounting groove 320 is formed at the upper end, a cup-shaped mounting holder 330 is provided in the mounting groove 320, and the mounting holder 330 and It may be formed integrally with a sliding rod 331 capable of sliding vertically in the sliding groove 311 formed at the upper end of the third rotating shaft 310 and extending downward while forming an integral body.

As shown in FIGS. 3 to 5, the mounting block 300 is provided in the mounting groove 320 in a housing shape corresponding to the mounting groove 320 while partially opening the upper part, and has a sliding rod 331 at the bottom. A through hole 341 is formed through the sliding groove 311 of the third rotary shaft 310, and the lower corner and side parts are connected by a hinge 342, and from the top to the partially opened part along the circumferential direction It may be formed in a form further including a separation prevention housing 340 forming a pressing piece 343 protruding inward.

Here, the separation prevention housing 340 forms an installation in which an extension spring 344 is interposed in the vertical direction between the bottom surface of the through hole 341 formation part and the upper surface of the third rotational shaft 310, and the extension spring ( 344 may be implemented in a form forming a shape surrounding the sliding rod 331 at the lower portion of the through hole 341 .

Through this, when the coupling block 430 is coupled to the mounting holder 330 according to the descent of the drone 400 described later, the mounting holder 330 is pressed by the weight of the drone 400, and the extension spring 344 At the same time as being compressed, the sliding rod 331 slides downward in the sliding groove 311, and the release prevention housing 340 bends inward around the hinge 342 to form a gathered shape, and the pressure piece 343 The detachment of the drone 400 from the mounting block 300 can be prevented by pressing downward while covering the mounting holder 330 and the coupling block 430 .

At this time, the telescopic spring 344 returns the departure prevention housing 340 to its original state when the drone 400, which will be described later, ascends when the photovoltaic panel 1 cleaning operation is completed, as well as the mounting holder ( 330) is placed in an extended state to maintain a protruding state upward, and when the drone 400 is remounted for cleaning the photovoltaic panel 1, the coupling block 430 is attached to the mounting holder 330. At the same time as being combined, it is placed in a compressed state again by the weight of the drone 400.

Moreover, the third rotary shaft 310, as shown in FIGS. 3 to 6, the upper shaft 312, the sliding groove 311 is formed at the upper end, the lower shaft 313 connected to the fourth gear 280, , Consisting of a universal joint 314 connecting the upper shaft 312 and the lower shaft 313, the drone 400 to be described later is the cleaning block 200 and the mounting block along the horizontal and vertical mounting rails 100 Even in a tilted flight state to move the 300, rotation of the third rotational shaft 310 is maintained so that rotational power can be transmitted to the brush pad 210.

At this time, the washing block 200 and the mounting block 300 are connected by a plurality of support springs (S), and the drone 400 flies in a state in which the coupling block 430 described later is coupled to the mounting holder 330. When the washing block 200 and the mounting block 300 are induced to move along the transverse and longitudinal mounting rails 100, the mounting block 300 tilted in the direction in which the drone 400 flies to move ) to buffer and support the inclination of the

The drone 400 of the present invention, as shown in FIGS. 1 to 4, 6 and 7, has a drive motor 410 on the inside and a fourth rotational shaft 420 connected to the drive motor 410, , It may be a form including a rotatable coupling block 430 integrally provided at the lower end of the fourth rotary shaft 420 in a cup shape corresponding to the mounting holder 330.

In addition, the drone 100 applied to the present invention is the same as or similar to a conventional unmanned aerial vehicle capable of flying and manipulating by induction of radio waves without a pilot, so the general structure and form thereof obscure the gist of the present invention. to avoid doing so.

The drone 400 configured as described above flies toward the photovoltaic panel 1 and descends in a hovering state in a state where the washing block 200 is disposed at the corner of the support 2, and the mounting holder ( 330) so that the coupling block 430 is coupled to the drive motor 410 to transmit rotational power to the brush pad 210 and at the same time fly with the coupling block 430 coupled to the mounting holder 330 As a result, the cleaning block 200 and the mounting block 300 can be induced to move along the transverse and longitudinal mounting rails 100.

That is, in a state where the washing block 200 is coupled to the transverse and longitudinal mounting rails 100, cleaning by flying the drone 400 mounted on the mounting block 300 connected to the washing block 200 Reciprocating movement of the block 200 and the mounting block 300 in the left and right transverse directions and up and down longitudinal directions can be implemented.

At this time, when the coupling block 430 is seated and coupled to the mounting holder 330 by a control server to be described later, the drone 400 may be induced to descend while the rotation of the fourth rotating shaft 420 is stopped.

In this way, the drone 400 of the present invention not only provides power for maintaining its own flight by the drive motor 410 connected to a separate battery, but also provides rotational power to the brush pad 210, for example When the coupling block 430, which is rotated by the fourth rotational shaft 420 connected to the drive motor 410 and integrally formed with it, also rotates while being mounted on the mounting holder 330, it forms an integral part of the mounting holder 330 and the third The third rotation shaft 310 is also rotated by the sliding rod 331 coupled to the rotation shaft 310 so as to be slidably movable.

By the rotation of the third rotation shaft 310, the above-described fourth gear 280, third gear 270, second rotation shaft 260, second gear 250, and first gear 240 are engaged. The rotational power due to the connection with and can act as a power for rotating the brush pad 210 through the first rotational shaft 220 connected to the first gear 240 .

At this time, the through hole 341 of the separation prevention housing 340 is preferably made of a size and shape that does not interfere with the rotation of the sliding rod 331, and the bottom surface of the through hole 341 formation part and the third rotation shaft ( 310) is installed so as to be interposed in the vertical direction up and down, and the extension spring 344 forming a shape surrounding the sliding rod 331 is also in a form that does not interfere with the rotation of the sliding rod 331 and the third rotational shaft 310. preferably installed.

In addition, the drone 400 may have a wireless communication device for wireless communication with a control unit that is connected to a control server to be described later through wireless communication. It is possible to receive the coordinates of the flight area of the drone 400, the hovering point and the descending point in the installation area of the photovoltaic panel 1 through wireless communication.

The control server of the present invention selects the area where the drone 400 will fly in the solar power generation panel 1 installation area and provides the drone 400 with the coordinates of the flight area, the hovering point and the descent point through wireless communication play a role

Such a control server may control flight, hovering, rising and falling states of the drone 400 through wireless communication with the controller of the drone 400 .

Eventually, the solar power generation panel cleaning device of the solar power generator according to the present invention can be washed while driving or moving along the set direction on the surface of the inclined solar power generation panel (1), as well as automatically using the drone 400 to generate sunlight. By inducing the surface of the power generation panel 1 to be cleaned, the power generation efficiency of the photovoltaic generator can be increased.

In addition, the brush pad 210 easily removes solid, liquid, particulate foreign matter or contaminants remaining on the surface of the photovoltaic panel 1 through the rotational power transmitted from the drone 400, and the photovoltaic panel 1 ) to keep the surface clean to increase power generation efficiency.

Furthermore, one drone 400 can clean a plurality of photovoltaic panels 1 in which the transverse and longitudinal mounting rails 100, the cleaning block 200, and the mounting block 300 are installed, as well as work It is easy to clean the photovoltaic power generation panel (1) in high-risk work at height or in a large-scale photovoltaic power plant spread over a wide area, and the photovoltaic power generation panel (1) of a photovoltaic generator installed in steep mountain areas, forests, and coastal areas General-purpose cleaning by overcoming the geographical limitations of the installation area of photovoltaic power generation panels (1) that are difficult to clean by allowing drones to easily access target areas that are difficult to access based on environmental information and installation information of the installation site through the city control server work can be implemented.

In the above, the present invention has been shown and described with specific specific examples, but the present invention is not limited to the above-described embodiments, and various changes and modifications are possible without departing from the technical spirit of the present invention.

1: solar power panel 2: support
100: transverse and longitudinal mounting rails 110: nozzle
200: washing block 210: brush pad
220: first rotational shaft 230: pressure spring
240: first gear 250: second gear
260: second rotational shaft 270: third gear
280: fourth gear 290: scattering barrier
300: mounting block 310: third rotation axis
311: sliding groove 312: upper shaft
313: lower shaft 314: universal joint
320: mounting groove 330: mounting holder
331: sliding rod 340: separation prevention housing
341: through hole 342: hinge
343: pressing piece 344: telescopic spring
400: drone 410: driving motor
420: 4th rotation axis 430: coupling block
S: support spring

Claims (4)

It is spaced upward from the support installed at regular intervals along the circumferential direction of the photovoltaic power generation panel in a tubular shape, and a number of spray holes are formed to spray the washing water supplied from the outside of the photovoltaic power generation panel. mounting rail;
It is disposed at the corner of the support installed in a square shape before the cleaning operation of the photovoltaic power generation panel, and the transverse and longitudinal mounting rails are spaced apart in the vertical direction and pass through in a state of crossing, and are provided on the lower side to A first gear that is connected to a brush pad that cleans the photovoltaic panel through a first rotating shaft, has a pressure spring that presses the brush pad downward, and is connected to the first rotating shaft to transmit rotational power to the brush pad. A second gear meshing with the first gear, a third gear connected to the second gear through a second rotation shaft, and a fourth gear meshing with the third gear. a washing block provided;
A third rotation shaft connected to the upper side of the washing block at intervals and connected to the fourth gear to transmit rotational power is provided at a lower end, a mounting groove is formed at the upper end, and a cup shape is formed in the mounting groove. A mounting block having a mounting holder and extending downward while being integral with the mounting holder and having a sliding rod capable of sliding vertically in a sliding groove formed at an upper end of the third rotating shaft;
A drive motor is provided on the inside, and a fourth rotation shaft connected to the drive motor is provided, and a cup shape corresponding to the mounting holder is integrally provided at the lower end of the fourth rotation shaft and includes a rotatable coupling block, It flies toward the photovoltaic panel and descends in a hovering state in a state where the washing block is disposed at the edge of the support, and the coupling block is coupled to the mounting holder to transmit rotational power through the driving motor to the brush pad. At the same time, the drone induces the cleaning block and the mounting block to move along the horizontal and vertical mounting rails as the drone flies in a state in which the coupling block is coupled to the mounting holder; and
Solar power generation of a photovoltaic generator including a control server that selects an area in which the drone will fly in the solar power panel installation area and provides the coordinates of the flight area, hovering point, and descending point to the drone through wireless communication. panel washer.
According to claim 1,
The mounting block is
The upper part is partially opened and provided in the mounting groove in the shape of a housing corresponding to the mounting groove, and a through hole is formed at the bottom through which the sliding rod passes toward the third rotational axis, and the lower corner and side parts are connected by a hinge , Further comprising a release prevention housing forming a pressing piece protruding inward toward a partially opened portion along the circumferential direction from the top,
The separation prevention housing forms an installation in which an extension spring is interposed in the vertical direction between the bottom surface of the through-hole formation part and the upper surface of the third rotation shaft,
The extension spring forms a shape surrounding the sliding rod at the lower portion of the through hole,
When the coupling block is coupled to the mounting holder as the drone descends, the mounting holder is pressed by the drone's own weight, compressing the extension spring, and at the same time, the sliding rod slides downward in the sliding groove. While the separation prevention housing forms a shape that is bent inward around the hinge and gathered, the pressure piece covers the mounting holder and the coupling block and presses it downward to prevent the drone from departing from the mounting block Solar light, characterized in that Generator's solar power panel cleaning device.
According to claim 1,
The third rotating shaft may include an upper shaft having the sliding groove formed at an upper end; a lower shaft connected to the fourth gear; And a universal joint connecting the upper shaft and the lower shaft;
The washing block and the mounting block are connected by a plurality of support springs, and the washing block and the mounting block move along the transverse and longitudinal mounting rails by the flight of the drone in a state in which the coupling block is coupled to the mounting holder Solar power generation panel cleaning device of a photovoltaic generator, characterized in that for buffering and supporting the inclination of the mounting block when inducing to do so.
According to claim 1,
The cleaning block is installed in such a way that the transverse and longitudinal mounting rails are spaced apart in the vertical direction and intersect,
Shatterproof pipe installed to form a shape protruding from each side through which the transverse and longitudinal mounting rails pass, covering the transverse and longitudinal mounting rails and blocking some of the plurality of spray holes to block spraying of washing water. Including more,
The scattering blocker protrudes from the washing block by a length exceeding the diameter of the circular shape formed by rotation of the brush pad to block scattering of foreign substances from the photovoltaic power generation panel due to spraying of washing water and rotation of the brush pad. Solar power generation panel washing device of a solar generator, characterized in that.

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