CN219380670U - Photovoltaic robot - Google Patents

Abstract

The utility model discloses a photovoltaic robot, which relates to the technical field of photovoltaic cleaning and comprises the following components: a mobile chassis; the walking assembly is arranged on the movable chassis and used for driving the movable chassis to move along the working surface; the cleaning assembly is respectively arranged at the front end and the rear end of the movable chassis and comprises a roller brush cleaning mechanism and a scraping plate positioned at the rear side of the roller brush cleaning mechanism, and the scraping plate is suitable for being attached to the working surface to scrape surface stains; and the water outlet assembly is at least provided with one group, is arranged at the front side, the upper side or the rear side of the cleaning assembly positioned at the front end of the movable chassis, and is used for discharging water towards the surface to be operated and/or the roller brush cleaning mechanism. The photovoltaic robot provided by the utility model can clean the operation surface more thoroughly, reduces the residual of stains on the operation surface, and has the advantages of good cleaning effect and simple structure.

Description

Photovoltaic robot

Technical Field

The utility model relates to the technical field of photovoltaic cleaning, in particular to a photovoltaic robot.

Background

Currently, in some photovoltaic panel cleaning machines, the following problems exist by providing a cleaning component, such as a roller brush, only at the front end of the chassis of the mobile machine:

on a photovoltaic panel with a gradient, in the process of cleaning the machine from the lower and the upper directions, dirt (sewage or dust) generated during cleaning flows downwards, so that the surface of a machine driving device (wheels or tracks) is easy to pollute, and the problem that dirt on the photovoltaic panel remains after the machine is cleaned once through a cleaning assembly and the cleaning is incomplete exists.

Disclosure of Invention

In order to overcome at least one defect in the prior art, the utility model provides the photovoltaic robot which can clean the working surface more thoroughly, reduce the residual of stains on the working surface and has the advantages of good cleaning effect and simple structure.

The utility model adopts the technical proposal for solving the problems that:

a photovoltaic robot, comprising: a mobile chassis; the walking assembly is arranged on the movable chassis and used for driving the movable chassis to move along the working surface; the cleaning assembly is respectively arranged at the front end and the rear end of the movable chassis and comprises a roller brush cleaning mechanism and a scraping plate positioned at the rear side of the roller brush cleaning mechanism, and the scraping plate is suitable for being attached to the working surface to scrape surface stains; and the water outlet assembly is at least provided with one group, is arranged at the front side, the upper side or the rear side of the cleaning assembly positioned at the front end of the movable chassis, and is used for discharging water towards the surface to be operated and/or the roller brush cleaning mechanism.

Optionally, the roller brush cleaning mechanism comprises a rotary driving assembly and a roller brush, the roller brush is rotatably installed on a roller brush installation frame, and the rotary driving assembly is fixed with the roller brush installation frame and is in transmission connection with the roller brush.

Optionally, the rotation drive assembly includes motor, transmission shell, sets up in the transmission subassembly of transmission shell, and the motor is fixed with the transmission shell, and the pivot and the transmission subassembly of motor link to each other, and wherein, the transmission subassembly has the connection structure that supplies the roller brush to connect.

Optionally, the roller brush includes dabber and locates the scraping piece on dabber surface, and connection structure is equipped with first joint portion complex second joint portion including setting up in drive assembly's first joint portion in the dabber of roller brush.

Optionally, the water outlet assembly is fixedly connected with the roller brush mounting frame.

Optionally, the mobile chassis has a first center line parallel to the moving direction, and the center of gravity of the rotary drive assembly is disposed against or coincides with the first center line.

Optionally, the roller brush comprises at least two sections, two adjacent sections of roller brushes are synchronously driven by a rotary driving assembly, and a connecting gap for installing the connecting structure is formed between the two adjacent sections of roller brushes.

Optionally, the connection gaps of the two groups of roller brushes at the front end and the rear end of the movable chassis are staggered.

Optionally, the water outlet assembly is further connected with a water supply assembly, wherein the water supply assembly comprises a water tank and a water pump, the water tank is fixed with the movable chassis, the water pump is respectively connected with the water tank and the water outlet assembly, and the water pump is used for pumping water in the water tank and providing water for the water outlet assembly.

Optionally, the water outlet assembly is further connected with a water supply assembly, wherein the water supply assembly comprises an external water pipe, a rotary joint, a connecting pipe and a connecting seat, wherein the rotary joint is connected to the movable chassis through the connecting seat, one ends of the connecting pipe, which are respectively used for the water outlet assembly and the rotary joint, are connected to the other ends of the rotary joint through the external water pipe.

Optionally, the external water pipe is sleeved with an avoidance member, one end of the avoidance member is connected with the rotary joint, and the other end of the avoidance member extends in a direction away from the movable chassis, so that the external water pipe extends out of the range of the whole body of the photovoltaic robot.

In summary, the photovoltaic robot provided by the utility model has the following technical effects:

1. according to the photovoltaic robot, the traveling assembly drives the movable chassis to move along the operation surface, so that the autonomous movement of the photovoltaic robot is realized; the front end and the rear end of the movable chassis are respectively provided with a group of cleaning components, in the cleaning process, the water outlet component of the cleaning components positioned at the front end of the movable chassis is used for discharging water to the working surface and/or the roller brush cleaning mechanism, so that the working surface can be directly or indirectly wetted or washed, dirt on the working surface is softened, then, in the cleaning components positioned at the front end of the movable chassis, the wetted working surface is scrubbed by the roller brush cleaning mechanism, so that the dirt is separated from the working surface, and then, a scraper positioned at the rear side of the roller brush cleaning mechanism is used for scraping the mixture of the dirt and the water, so that the scrubbing process is completed once; after the movable chassis passes through the operation surface which is finished with primary brushing, the cleaning assembly positioned at the rear side of the movable chassis can brush and scrape the dirt on the operation surface for the second time, so that the residue of the dirt on the operation surface is reduced, the cleaning effect is improved, the whole structure of the photovoltaic robot is simpler, the cleaning operation process of the photovoltaic panel can be adapted, and the cleaning operation surface cleaning device can also be suitable for the operation surface which is similar to the photovoltaic panel and is flat or slightly lack of flatness.

2. In the roller brush cleaning mechanism, the power driving assembly for driving the roller brush to rotate is integrated, and the power driving assembly can be integrally assembled and then is arranged on the roller brush mounting frame to be connected with the roller brush, so that the roller brush cleaning mechanism has a more compact overall structure and is stable and reliable in structure.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a photovoltaic robot according to an embodiment of the present utility model;

FIG. 2 is a schematic top view of a photovoltaic robot according to an embodiment of the present utility model;

FIG. 3 is a schematic exploded view of the structure of a brush cleaning mechanism according to an embodiment of the present utility model;

FIG. 4 is a schematic view of the overall structure of a rotary drive assembly according to an embodiment of the present utility model;

FIG. 5 is a schematic exploded view of a rotary drive assembly according to an embodiment of the present utility model;

FIG. 6 is a schematic view of a bottom view of a photovoltaic robot according to an embodiment of the present utility model;

fig. 7 is a schematic side view of a photovoltaic robot according to an embodiment of the present utility model.

Wherein the reference numerals have the following meanings:

1. a mobile chassis; 2. a walking assembly; 3. cleaning the assembly; 301. a roller brush cleaning mechanism; 3011. a rotary drive assembly; 30111. a motor; 30112. a transmission housing; 30113. a transmission assembly; 30114. a connection structure; 301141, first clamping part; 301142, a second clamping part; 3012. a roller brush; 30121. a mandrel; 30122. a scraper; 30123. a connection gap; 3013. a roller brush mounting frame; 30131. a mounting cover; 301311, mounting slots; 301312, notch; 30132. an end cap; 3014. a rotating member; 302. a scraper; 4. a water outlet assembly; 5. a first centerline; 6. a second centerline; 7. a water supply assembly; 701. externally connected water pipes; 702. a rotary joint; 703. a connecting pipe; 704. a connecting seat; 705. a booster pump; 8. a bypass member; 9. and a controller.

Detailed Description

For a better understanding and implementation, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model.

In the description of the present utility model, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

Referring to fig. 1 to 7, the utility model discloses a photovoltaic robot, which comprises a mobile chassis 1, a walking assembly 2, a cleaning assembly 3 and a water outlet assembly 4, wherein: the walking assembly 2 is arranged on the mobile chassis 1 and is used for driving the mobile chassis 1 to move along a working surface (such as a photovoltaic surface).

The cleaning assembly 3 is respectively arranged at the front end and the rear end of the mobile chassis 1, the cleaning assembly 3 comprises a roller brush cleaning mechanism 301 and a scraping plate 302 positioned at the rear side of the roller brush cleaning mechanism 301, wherein the scraping plate 302 is suitable for being attached to a working surface to scrape off surface stains, and the roller brush cleaning mechanism 301 is used for rotating and brushing the working surface to separate the stains from the working surface;

the water outlet components 4 are at least provided with one group, the water outlet components 4 are arranged at the front side, the upper side or the rear side of the cleaning components 3 positioned at the front end of the movable chassis 1, and the water outlet components 4 are used for discharging water towards the surface to be worked and/or the roller brush cleaning mechanism 301, namely: the water outlet assembly 4 can be arranged to spray water towards the working surface, and the arrangement can be used for flushing dirt on the working surface by means of the impact force of the water;

the water outlet assembly 4 may be configured to spray water toward the roller brush cleaning mechanism 301, and the configuration may be such that the roller brush cleaning mechanism 301 can be rinsed by means of the impact force of water, thereby facilitating cleaning of the roller brush cleaning mechanism 301, and the roller brush cleaning mechanism 301 may be rotated to wet the work surface and soften dirt adhering to the work surface.

Of course, when the water outlet assemblies 4 are provided in plural groups, the water outlet assemblies 4 may be provided to spray water simultaneously to the working surface and the roller brush cleaning mechanism 301, and such a configuration has the advantages of both the above-described configurations, that is, the working surface can be rinsed and the roller brush cleaning mechanism 301 can be rinsed simultaneously.

Further, when the water discharging modules 4 are provided in plural sets, the water discharging modules 4 may be provided in any one or two or more of the front side, the upper side and the rear side of the cleaning module 3 at the front end of the moving chassis 1.

In this manner, water can be discharged from a plurality of directions toward the work surface or the brush cleaning mechanism 301, and the possibility of clogging of the water discharge unit 4 can be reduced.

Based on the structure of the photovoltaic robot, when in operation, the traveling assembly 2 drives the mobile chassis 1 to move along the operation surface, so that the autonomous movement of the photovoltaic robot is realized; during the cleaning process of the working surface, the cleaning components 3 on the front side and the rear side of the mobile chassis 1 sequentially pass through the working surface, wherein the water outlet component 4 of the cleaning component 3 positioned at the front end of the mobile chassis 1 is used for discharging water towards the working surface and/or the roller brush cleaning mechanism 301, so that the working surface can be directly or indirectly wetted or washed, dirt on the working surface is softened, then, in the cleaning component 3 positioned at the front end of the mobile chassis 1, the wetted working surface is scrubbed by the roller brush cleaning mechanism 301, so that the dirt is separated from the working surface, and then, the mixture of the dirt and the water is scraped by the scraper 302 positioned at the rear side of the roller brush cleaning mechanism 301, so that a scrubbing process is completed; after the movable chassis 1 finishes the operation surface of once brushing, the cleaning component 3 positioned at the rear side of the movable chassis 1 can brush and scrape the dirt on the operation surface for the second time, so that the residue of the dirt on the operation surface is reduced, the cleaning effect is improved, the whole structure of the photovoltaic robot is simpler, the cleaning operation process of the photovoltaic panel can be adapted, and the cleaning operation process can also be suitable for the operation surface which is similar to the photovoltaic panel and is flat or slightly lack of flatness.

In some possible embodiments, the walking assembly 2 may be a tracked drive configuration or a wheeled drive configuration, as is specifically referred to in the art.

Referring to fig. 1 and 6, in some possible embodiments, the water outlet assembly 4 includes a plurality of water outlets spaced apart from each other, and a spray head (not shown) may be provided at the water outlets to increase the water outlet speed.

Further, to increase the water outlet area, the outlet of the water outlet assembly 4 may be flat or a nozzle with a fan-shaped water outlet is used, so that the water outlet assembly 4 can discharge water in a fan-shaped surface.

Referring to fig. 1 and 3, in some possible embodiments, the roller brush cleaning mechanism 301 includes a rotary drive assembly 3011 and a roller brush 3012, the roller brush 3012 being rotatably mounted on a roller brush mounting frame 3013, the rotary drive assembly 3011 being fixedly secured to the roller brush mounting frame 3013 and in driving connection with the roller brush 3012.

When the roller brush 3012 is mounted, the rotary drive assembly 3011 is assembled, the rotary drive assembly 3011 is fixed to the roller brush mounting frame 3013, and the rotary drive assembly 3011 is connected to the roller brush 3012 so that the roller brush 3012 is driven to rotate.

Referring to fig. 3, 4 and 5, in some possible embodiments, the rotary drive assembly 3011 includes a motor 30111, a transmission housing 30112, and a transmission assembly 30113 disposed in the transmission housing 30112, wherein the motor 30111 is fixed to the transmission housing 30112, and a shaft of the motor 30111 is connected to the transmission assembly 30113, wherein the transmission assembly 30113 has a connection structure 30114 for connection of the roller brush 3012.

Referring to fig. 4 and 5, further, a transmission assembly 30113 is disposed inside the transmission housing 30112, the housing of the motor 30111 is fixed to the transmission housing 30112, and a rotating shaft of the motor 30111 passes through the transmission housing 30112 and is connected to the transmission assembly 30113, so that power is transmitted to the roller brush 3012 via the transmission assembly 30113, and the roller brush 3012 is rotated to brush.

When the rotary drive assembly 3011 is assembled, the rotary drive assembly 3011 is connected to the roller brush mounting frame 3013, specifically, in the rotary drive assembly 3011, the transmission housing 30112 is fixed to the roller brush mounting frame 3013, and then the roller brush 3012 is connected to the transmission assembly 30113 by the connection structure 30114.

Referring to fig. 1 and 6, in some possible embodiments, the water outlet assembly 4 is fixedly connected to the roller brush mounting frame 3013.

Referring to fig. 1 and 7, further, the roller brush mounting frame 3013 includes a mounting cover 30131 having a semi-surrounding structure, and the roller brush 3012 is rotatably disposed in the mounting cover 30131, so that at least a portion of the roller brush 3012 can be exposed from the mounting cover 30131 and contact the work surface.

The installation cover 30131 can reduce the irregular splashing diffusion of water vapor generated by the roller brush 3012 during rotation operation, and reduce the splashing of the water vapor to the mobile chassis 1; and the roller brush 3012, the rotary driving assembly 3011 and other components can be prevented from being damaged due to impact of foreign objects.

As shown in fig. 1 and 7, the water outlet assembly 4 is fixed to the mounting cap 30131 and is located on the front side of the roller brush 3012, so that the water outlet assembly 4 can flush the work surface as the traveling chassis 1 advances (the direction of advance is indicated by G in fig. 7) to soften the dirt, and facilitate the subsequent rotation of the roller brush 3012 to brush the dirt off the work surface.

Referring to fig. 1, 3, and 7, in some possible embodiments, the squeegee 302 is secured to the mounting cap 30131.

Such a structural arrangement can simplify the installation structure, making the overall structure compact.

Referring to fig. 1, 3 and 7, more specifically, the mounting cover 30131 has a mounting groove 301311 formed along a length thereof, and the scraper 302 is engaged in the mounting groove 301311.

The specific installation process is as follows: so that the scraping plate 302 is clamped in the mounting groove 301311 along the opening direction of the mounting groove 301311; the disassembly process is then the reverse of the installation process.

In some possible embodiments, the scraper 302 may be made of a plate with elasticity, such as silica gel or rubber, so that the scraper 302 has a certain self-adapting capability, so that the scraper can be attached to a working surface, and has a better dirt scraping effect on the working surface.

In other possible embodiments, the water outlet assembly 4 may be provided independently of the roller brush mounting frame 3013, i.e. the water outlet assembly 4 is fixedly connected to the mobile chassis 1.

Referring to fig. 2, in some possible embodiments, the mobile chassis 1 has a first centerline 5 parallel to the direction of movement, and the center of gravity of the rotary drive assembly 3011 is located against the first centerline 5 or coincides with the first centerline 5.

Therefore, the gravity centers of the mobile chassis 1 can be intensively distributed, the traveling and turning of the mobile chassis 1 are facilitated, the stability of the operation is maintained, and the situation of tipping in the mobile operation process is avoided.

Referring to fig. 2, in some possible embodiments, the two rotary drive assemblies 3011 of the front and rear end cleaning assemblies 3, in which the roller brushes 3012 are disposed, are centered on the same side of the first centerline 5 or are distributed on opposite sides of the first centerline 5.

Because the center of gravity of the rotary driving assembly 3011 is mainly distributed on one side of the motor, the center of gravity distribution of the rotary driving motor mainly considers the position distribution of the motor; further, the arrangement of the rotary drive assembly 3011 depends on the distribution of the center of gravity, and specifically there may be two possibilities of implementing the foregoing, that is, the front rotary drive assembly 3011 and the rear rotary drive assembly 3011 are disposed on the same side of the first center line 5 or symmetrically distributed on different sides of the first center line 5.

Referring to fig. 2, in some possible embodiments, the mobile chassis 1 has a second center line 6 perpendicular to the moving direction, and the centers of gravity of the two sets of rotary drive assemblies 3011 located at the front and rear ends of the mobile chassis 1 are equally spaced from the second center line 6.

The purpose of this arrangement is also to balance the weight of the front and rear ends of the chassis 1, and to avoid the situation that the chassis 1 is warped upwards due to uneven weight at the two ends.

Referring to fig. 3 and 6, in some possible embodiments, the roller brush 3012 includes at least two segments, two adjacent segments 3012 are synchronously driven by a rotary drive assembly 3011, and a connection gap 30123 is formed between two adjacent segments 3012 for mounting the connection structure 30114.

When the length of the roller brush 3012 is long, the roller brush 3012 is divided into a plurality of segments, so that the problem of the reduction of rigidity due to the excessively long length of the roller brush 3012 can be reduced, the reliability of the operation of the roller brush 3012 can be maintained, in addition, a connection gap 30123 is left between two adjacent segments of the roller brush 3012, and the connection structure 30114 of the rotation driving assembly 3011 can connect the two connected segments of the roller brush 3012 at the connection gap 30123 so as to synchronously drive the two adjacent segments of the roller brush 3012 to rotate.

As shown in fig. 3, the mounting cover 30131 is provided with a gap 301312 for the transmission housing 30112 to penetrate, the gap 301312 is correspondingly arranged with a connecting gap 30123 between the two roller brushes 3012, and the transmission housing 30112 penetrates through the gap 301312 and then enters the mounting cover 30131 for connecting the roller brushes 3012.

More specifically, as shown in fig. 3 and 5, when the roller brush 3012 has two sections, only one rotation driving assembly 3011 is provided, wherein one end of the first section of roller brush 3012 is rotatably connected to the roller brush mounting frame 3013, and the other end of the first section of roller brush 3012 is connected to a connection structure 30114 located at one side of the rotation driving assembly 3011; one end of the second section of roller brush 3012 is rotatably connected to the roller brush mounting frame 3013, and the other end of the second section of roller brush 3012 is connected to a connection structure 30114 on the other side of the rotary drive assembly 3011. Thereby achieving the aim of synchronously driving the adjacent two roller brushes 3012 to rotate by a rotary driving assembly 3011.

Referring to fig. 3, in some possible embodiments, to facilitate installation of the roller brush 3012, the roller brush mounting frame 3013 includes an end cap 30132 that is detachably secured to the mounting cap 30131, and a rotating member 3014 is provided on the end cap 30132, the rotating member 3014 being engaged with the roller brush 3012.

Further, the rotary 3014 may be a bearing.

Of course, the rotary member 3014 may be provided at the end of the roller brush 3012 so that the roller brush 3012 is rotatably connected to the end cap 30132.

Referring to fig. 3 and 6, in some possible embodiments, the lengths of the roller brushes 3012 may be the same or different.

The length of the roller brush 3012 is designed according to the actual situation and will not be described in detail here.

Referring to fig. 6, in some possible embodiments, the connection gaps 30123 of the two sets of roller brushes 3012 at the front and rear ends of the moving chassis 1 are staggered.

The purpose of this design is that when the connection gap 30123 is not cleaned after the front end roller brush 3012 brushes the working surface, the rear end roller brush 3012 can perform the rolling brush, thereby avoiding the occurrence of cleaning gap and ensuring the cleaning effect.

Referring to fig. 6, in some possible embodiments, the connection gaps 30123 of the two sets of roller brushes 3012 are located on either side of the first centerline 5.

Such an arrangement is convenient for realizing the balance of the gravity center of the motor 30111, can avoid the occurrence of cleaning gaps, and ensures the cleaning effect.

Referring to fig. 3, 4, 5 and 6, in some possible embodiments, the roller brush 3012 includes a mandrel 30121 and a scraping member 30122 disposed on a surface of the mandrel 30121, the connection structure 30114 includes a first clamping portion 301141 disposed on the transmission assembly 30113, and a second clamping portion 301142 configured to cooperate with the first clamping portion 301141 is disposed on the mandrel 30121 of the roller brush 3012.

The roller brush 3012 is connected by the engagement of the first engagement portion 301141 and the second engagement portion 301142, and the structure is simple.

In some possible embodiments, the drive assembly 30113 is a gear drive assembly 30113, a belt/timing belt drive assembly 30113, or a chain drive assembly 30113.

The first catch 301141 can be provided on a gear, a synchronizing wheel or a sprocket.

The first clamping portion 301141 can be a slot structure or a post structure, and correspondingly, the second clamping portion 301142 is correspondingly configured to be a post structure capable of being matched with the slot structure or a slot structure matched with the post structure.

It will be appreciated that the shape of the post or slot structure may be polygonal or shaped other than circular, such as triangular, quadrilateral, pentagonal, etc., for stable transmission and connection.

In some possible embodiments, the water outlet assembly 4 is further connected to a water supply assembly 7, wherein the water supply assembly 7 includes a water tank (not shown in the figure) and a water pump (not shown in the figure), the water tank is fixed to the mobile chassis 1, the water pump is respectively connected to the water tank and the water outlet assembly 4, and the water pump is used for pumping water in the water tank and providing the water to the water outlet assembly 4.

In this embodiment, the water tank supplies water to the water supply unit 7 via the water pump to perform the cleaning operation.

Referring to fig. 1, in some possible embodiments, the water outlet assembly 4 is further connected with a water supply assembly 7, wherein the water supply assembly 7 includes an external water pipe 701, a rotary joint 702, a connecting pipe 703 and a connecting seat 704, wherein the rotary joint 702 is connected to the mobile chassis 1 through the connecting seat 704, two ends of the connecting pipe 703 are respectively connected to the water outlet assembly 4 and one end of the rotary joint 702, and the external water pipe 701 is connected to the other end of the rotary joint 702.

The water supply assembly 7 is supplied with water through the switching of the rotary joint 702 in an external water supply mode, and the water supply in the mode is sufficient, so that the water shortage anxiety and the trouble of water supplement are reduced.

Rotary joint 702 may be selected from common water distribution slip ring configurations.

In some possible embodiments, the water supply assembly 7 may further include a booster pump 705, and the booster pump 705 may be fixedly disposed on the moving chassis 1, and the booster pump 705 is connected to the connection pipe 703 to increase the pressure of the water flowing through the connection pipe 703, thereby increasing the cleaning effect.

In some embodiments, the booster pump 705 may be independently disposed outside the mobile chassis 1, that is, the booster pump 705 does not move along with the mobile chassis, the booster pump 705 is connected to the external water pipe 701, and the external water flow is provided to the water supply assembly 7 on the mobile chassis 1 through the external water pipe 701 after being boosted by the booster pump 705, so that the effect of increasing the water outlet pressure can be achieved, and the weight of the mobile chassis 1 can be reduced.

It will be appreciated that the external water pipe 701 may be directly connected to a municipal water supply or an external water storage tank (not shown) may be additionally provided through which water is supplied to the water supply assembly 7 on the mobile chassis 1.

Referring to FIG. 7, in some possible embodiments, the outer water tube 701 is sleeved with an avoidance member 8, one end of the avoidance member 8 is connected to a rotary joint 702, and the other end extends beyond the photovoltaic robot body so that the outer water tube 701 is located beyond the photovoltaic robot body to avoid damage to the outer water tube 701 due to rolling of the mobile chassis 1.

In some possible embodiments, the bypass member 8 is a spring, a rigid helical sleeve, or a linkage.

Referring to FIG. 7, when the bypass member 8 is a spring or rigid screw sleeve, the spring or rigid screw sleeve is positioned over the outer water tube 701, one end of the spring or rigid screw sleeve is connected to the swivel 702, and the other end of the spring or rigid screw sleeve extends beyond the extent of the overall body of the photovoltaic robot.

Preferably, such that the spring or rigid screw sleeve is rotatable with the swivel 702 relative to the mobile chassis 1.

When a connecting rod (not shown) is used as the avoiding member 8, one end of the connecting rod may be connected to the rotary joint 702, and the other end extends beyond the range of the whole body of the photovoltaic robot, and the external water pipe 701 may be disposed inside the connecting rod in a penetrating manner: the external water pipe 701 is connected with the connecting rod, a runner which is respectively connected with the rotary joint 702 and the external water pipe 701 is arranged in the connecting rod, and the external water pipe 701 is fixedly connected on the connecting rod and then communicated with the runner.

Referring to fig. 1, the photovoltaic robot further includes a controller 9, and the controller 9 is electrically connected to the walking assembly 2 and the cleaning assembly 3, and can control the walking assembly 2 and/or the cleaning assembly 3 to work through signal communication.

The water outlet assembly 4 may be provided with a solenoid valve (not shown) which may also be connected to a control to control the opening and closing of the solenoid valve and thus the water supply assembly 7 via the controller 9.

The controller 9 adopts remote wireless remote control or wired remote control, and can also preload a program, so that the controller 9 can autonomously run the program to drive the photovoltaic robot to autonomously walk for cleaning.

The working process and principle of the utility model are as follows:

during operation, the photovoltaic robot is electrified, the traveling chassis 1 is driven to travel along the operation surface through the traveling assembly 2, in the cleaning process, the water outlet assembly 4 of the cleaning assembly 3 positioned at the front end of the traveling chassis 1 discharges water towards the operation surface and/or the roller brush cleaning mechanism 301 to wet or rinse the operation surface so as to soften dirt on the operation surface, then, in the cleaning assembly 3 positioned at the front end of the traveling chassis 1, the wetted operation surface is scrubbed through the roller brush cleaning mechanism 301 so as to separate the dirt from the operation surface, and then, the scraper 302 positioned at the rear side of the roller brush cleaning mechanism 301 scrapes the mixture of the dirt and the water, thereby completing a scrubbing process; after the movable chassis 1 passes over the work surface which is finished with the primary brushing, the work surface can be brushed for the second time and the dirt scraped by the cleaning assembly 3 positioned at the rear side of the movable chassis 1.

The technical means disclosed by the scheme of the utility model is not limited to the technical means disclosed by the embodiment, and also comprises the technical scheme formed by any combination of the technical features. It should be noted that modifications and adaptations to the utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims (10)

1. A photovoltaic robot, comprising:

a mobile chassis (1);

the walking assembly (2) is arranged on the mobile chassis (1) and used for driving the mobile chassis (1) to move along a working surface;

the cleaning assembly (3) is respectively arranged at the front end and the rear end of the movable chassis (1), the cleaning assembly (3) comprises a roller brush cleaning mechanism (301) and a scraping plate (302) positioned at the rear side of the roller brush cleaning mechanism (301), and the scraping plate (302) is suitable for being attached to the working surface to scrape off surface stains; and

the water outlet assembly (4) is at least provided with one group, the water outlet assembly (4) is arranged at the front side, the upper side or the rear side of the cleaning assembly (3) positioned at the front end of the movable chassis (1), and the water outlet assembly (4) is used for discharging water towards the surface to be worked and/or the roller brush cleaning mechanism (301).

2. The photovoltaic robot of claim 1, wherein the roller brush cleaning mechanism (301) comprises a rotary drive assembly (3011) and a roller brush (3012), the roller brush (3012) is rotatably mounted on a roller brush mounting frame (3013), and the rotary drive assembly (3011) is fixed to the roller brush mounting frame (3013) and is in driving connection with the roller brush (3012).

3. The photovoltaic robot according to claim 2, characterized in that the rotational drive assembly (3011) comprises a motor (30111), a transmission housing (30112), a transmission component (30113) arranged on the transmission housing (30112), the motor (30111) is fixed to the transmission housing (30112), and a rotating shaft of the motor (30111) is connected to the transmission component (30113), wherein the transmission component (30113) is provided with a connection structure (30114) for connecting the roller brush (3012).

4. The photovoltaic robot according to claim 3, wherein the roller brush (3012) comprises a mandrel (30121) and a scraping piece (30122) arranged on the surface of the mandrel (30121), the connecting structure (30114) comprises a first clamping portion (301141) arranged on the transmission assembly (30113), and a second clamping portion (301142) matched with the first clamping portion (301141) is arranged on the mandrel (30121) of the roller brush (3012).

5. The photovoltaic robot according to any of claims 2-4, characterized in that the water outlet assembly (4) is fixedly connected to the roller brush mounting frame (3013).

6. The photovoltaic robot according to claim 2, characterized in that the mobile chassis (1) has a first centre line (5) parallel to the direction of movement, the centre of gravity of the rotational drive assembly (3011) being arranged against the first centre line (5) or coinciding with the first centre line (5).

7. The photovoltaic robot according to claim 3 or 4, characterized in that the roller brush (3012) comprises at least two sections, two adjacent sections of the roller brush (3012) are synchronously driven by one of the rotation driving assemblies (3011), and a connection gap (30123) for the connection structure (30114) to be mounted is formed between two adjacent sections of the roller brush (3012).

8. The photovoltaic robot according to claim 7, characterized in that the connection gaps (30123) of the two sets of the roller brushes (3012) at the front and rear ends of the moving chassis (1) are staggered.

9. The photovoltaic robot according to claim 1, characterized in that the water outlet assembly (4) is further connected with a water supply assembly (7), wherein the water supply assembly (7) comprises a water tank and a water pump, the water tank is fixed with the mobile chassis (1), the water pump is connected with the water tank and the water outlet assembly (4) respectively, and the water pump is used for pumping water in the water tank and providing water to the water outlet assembly (4).

10. The photovoltaic robot according to claim 1, wherein the water outlet assembly (4) is further connected with a water supply assembly (7), wherein the water supply assembly (7) comprises an external water pipe (701), a rotary joint (702), a connecting pipe (703) and a connecting seat (704), wherein the rotary joint (702) is connected to the mobile chassis (1) through the connecting seat (704), two ends of the connecting pipe (703) are respectively connected with the water outlet assembly (4) and one end of the rotary joint (702), and the external water pipe (701) is connected to the other end of the rotary joint (702).