CN210208026U - Cleaning robot and electrostatic discharge device thereof - Google Patents

Abstract

The utility model discloses an electrostatic discharge device for clean the robot, including the metal chassis, the metal chassis even has at least one downwardly extending's contact site, and when cleaning the robot and moving on photovoltaic module, the contact site can contact with the briquetting on the photovoltaic module, in order to release static, has between the supporting surface of the lower extreme of contact site and cleaning the robot and predetermines the distance. The briquetting is the metal material to link to each other and be connected to ground with the support. In the moving process of the cleaning robot, the contact part can be in contact with the pressing block on the photovoltaic module. The static electricity on the cleaning robot is conducted to the ground through the metal chassis and the contact part, so that the purpose of eliminating the static electricity is achieved. The utility model also provides a cleaning robot including above-mentioned electrostatic discharge device, it can eliminate static, avoids static harm.

Description

Cleaning robot and electrostatic discharge device thereof

Technical Field

The invention relates to the technical field of cleaning equipment, in particular to an electrostatic discharge device. The invention also relates to a cleaning robot comprising the electrostatic discharge device.

Background

With the continuous improvement of environmental protection requirements, solar energy is regarded as a clean energy, and the development and utilization of the solar energy are more and more emphasized by enterprises. The photovoltaic module is used for converting solar energy into electric energy, so that the solar energy is utilized, and in recent years, photovoltaic power stations are established nationwide.

After the photovoltaic module is used for a long time, the surface of the photovoltaic module is stained with dust, and the conversion rate of solar energy is influenced. The surface of the photovoltaic module needs to be cleaned by a cleaning robot. When the cleaning robot works, static electricity is formed on the cleaning robot due to friction and other related reasons, and potential safety hazards are caused.

Therefore, how to eliminate the static electricity generated by the cleaning robot is a technical problem that needs to be solved urgently by those skilled in the art.

Disclosure of Invention

The invention aims to provide an electrostatic discharge device, wherein a metal chassis is provided with a contact part, and static electricity on a cleaning robot can be eliminated by contacting the contact part with a pressing block on a photovoltaic module. Another object of the present invention is to provide a cleaning robot including the above electrostatic discharge device.

In order to achieve the above object, the present invention provides an electrostatic discharge device for a cleaning robot, including a metal chassis, where the metal chassis is connected with at least one contact part extending downward, when the cleaning robot moves on a photovoltaic module, the contact part can contact with a press block on the photovoltaic module to discharge static electricity, and a lowest end of the contact part has a preset distance from a supporting surface of the cleaning robot.

Preferably, the cleaning robot further comprises a strip-shaped connecting plate, the connecting plate is connected with the side edge of the metal chassis perpendicular to the moving direction of the cleaning robot, and the contact part is connected with the connecting plate.

Preferably, one side of the connecting plate, which is far away from the metal chassis, is a bent edge which is bent downwards, and the contact part is connected with the bent edge.

Preferably, a plurality of mounting holes penetrating through the bending edge in the thickness direction are formed in the bending edge in the length direction, the contact portion is a conductive chain, the conductive chain is mounted in the mounting holes, and the distance between any two adjacent mounting holes is smaller than the length of the pressing block in the moving direction of the vertical cleaning robot.

Preferably, the connecting plate further comprises a clamping portion for connecting the metal chassis and the connecting plate.

Preferably, the connecting plate is equipped with two at least bolt holes that run through along the thickness direction, joint portion includes connecting rod and joint, the one end of connecting rod have with bolt hole matched with external screw thread, the other end with the joint links to each other.

Preferably, the metal chassis is provided with a yielding groove for yielding the clamping portion.

The invention also provides a cleaning robot which comprises any one of the electrostatic discharge devices.

Preferably, the contact portion of the electrostatic discharge device is located between the vehicle body and the rolling brush mechanism.

Vehicles in the prior art generally use a tow chain to guide static electricity to the ground, which plays a role in eliminating static electricity. However, the cleaning robot moves on the photovoltaic module, and the towing chain tows on the photovoltaic module and can cause hidden troubles such as scratching on the photovoltaic module.

The static electricity releasing device provided by the invention is used for a cleaning robot and comprises a metal chassis, wherein the metal chassis is connected with at least one contact part extending downwards, when the cleaning robot moves on a photovoltaic module, the contact part can be in contact with a pressing block on the photovoltaic module to release static electricity, and a preset distance is reserved between the lowest end of the contact part and a supporting surface of the cleaning robot.

The briquetting is the metal material to link to each other and be connected to ground with the support. In the moving process of the cleaning robot, the contact part can be in contact with the pressing block on the photovoltaic module. The static electricity on the cleaning robot is conducted to the ground through the metal chassis and the contact part, so that the purpose of eliminating the static electricity is achieved.

The invention also provides a cleaning robot comprising the static electricity releasing device, which can eliminate static electricity and avoid static electricity damage.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a schematic structural view of an electrostatic discharge apparatus provided in the present invention connected to a vehicle body;

fig. 2 is a schematic diagram of a moving path of the cleaning robot provided by the present invention.

Wherein the reference numerals in fig. 1 and 2 are:

the device comprises a vehicle body 1, a metal chassis 2, a connecting plate 3, a conductive chain 4, a rolling brush mechanism 5, a photovoltaic module 6 and a pressing block 7.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 and 2, fig. 1 is a schematic structural view illustrating a static electricity discharging apparatus according to the present invention connected to a vehicle body; fig. 2 is a schematic diagram of a moving path of the cleaning robot provided by the present invention.

The static electricity discharge device provided by the invention is arranged in the cleaning robot and used for leading out static electricity generated in the cleaning process. As shown in fig. 1, the electrostatic discharge device includes a metal chassis 2 and a contact portion. The metal chassis 2 can be constructed according to the prior art, and the contact portion is made of a conductive material, and can be embodied as a flexible structural member such as a spring, a conductive strip or a conductive chain.

The contact part extends downwards, and a preset distance is reserved between the lowest end of the contact part and the supporting surface of the cleaning robot and is smaller than or equal to the height of the pressing block 7. In one embodiment of the present application, the predetermined distance is 2 cm. Of course, the user may set the setting according to the need, and is not limited herein. As shown in fig. 2, when the cleaning robot moves on the photovoltaic module 6, the contact part can contact with the pressing block 7 on the photovoltaic module 6, so that the static electricity accumulated by the cleaning robot is discharged. In the process of pressing the block 7, the contact part can deform, so that the cleaning robot is prevented from being clamped by the block 7; after the cleaning robot passes through the pressing block 7, the contact part is deformed again.

In this embodiment, the electrostatic discharge device is provided with a contact portion, and the contact portion is in contact with the pressing block 7 on the photovoltaic module 6, so that static electricity accumulated on the cleaning robot can be eliminated. The lower extreme of contact portion and photovoltaic module 6 have between predetermineeing the distance, therefore the contact portion can not contact with photovoltaic module 6's surface, avoids causing the scotch with photovoltaic module 6.

The metal chassis 2 is generally thick and the contact portion is not easily connected thereto, and thus the electrostatic discharge apparatus further includes a bar-shaped connection plate 3. One side of the connecting plate 3 is connected with the side edge of the metal chassis 2 which is vertical to the moving direction of the cleaning robot, and the other side is suspended outside the chassis. The contact portion is connected to the side of the connecting plate 3 remote from the metal chassis 2. Of course, the connection plate 3 is also a conductor, and the connection plate 3 may be specifically an aluminum alloy plate, a steel plate, or the like.

Optionally, one side of the connecting plate 3, which is far away from the metal chassis 2, is a bending edge which is bent downwards, and the contact portion is connected with the bending edge. The included angle between the bent edge and the metal chassis 2 is generally an obtuse angle, and of course, a user can also adopt a right angle or an acute angle as required. The bending edge is bent downwards, so that liquid can be prevented from being accumulated on the connecting plate 3, and further, the metal chassis 2 is prevented from being corroded.

Optionally, the metal base plate 2 and the connecting plate 3 may be connected by a snap-fit connection, and the electrostatic discharge device further includes a snap-fit portion for connecting the metal base plate 2 and the connecting plate 3. The clamping part is L-shaped and comprises a connecting rod and a clamping joint, and the clamping joint can be sheet-shaped or rod-shaped. The connecting rod is perpendicular to and fixedly connected with the clamping joint. The connecting plate 3 is equipped with two at least bolt holes that run through along the thickness direction, and the one end and the joint of connecting rod link to each other, and the other end has the external screw thread with bolt hole matched with. The connecting rod is in threaded connection with the bolt hole, and the metal bottom plate is clamped by the clamping joint and the connecting plate 3 under the action of bolt pre-tightening force, so that the connection of the contact part and the metal chassis 2 is completed. Of course, the connecting plate 3 and the metal chassis 2 can also be connected through bolts, and the metal chassis 2 and the connecting plate 3 can be connected in a clamping manner, so that holes do not need to be punched on the metal chassis 2, and the strength of the metal chassis 2 is further improved.

Optionally, the metal chassis 2 still can set up the groove of stepping down that is used for stepping down for joint portion, and the notch in the groove of stepping down is towards the place ahead, and joint portion is two, and lies respectively and laminates mutually with the lateral wall of the groove both sides of stepping down, and the groove of stepping down can carry on spacingly through joint portion to connecting plate 3, has improved the steadiness of connecting.

Further, the contact portion is a conductive chain 4. The edge of the bending edge is provided with a plurality of mounting holes along the length direction, and the mounting holes penetrate through the bending edge along the thickness direction. One loop of the conductive chain 4 passes through the mounting hole to be connected with the bending edge. The mounting hole is along the length direction evenly distributed on the limit of bending, and the distance between two arbitrary adjacent mounting holes is less than briquetting 7 and cleans the ascending length of robot moving direction perpendicularly, and then can guarantee to clean the robot and must have contact site and briquetting 7 contact when 7.

In this embodiment, electrostatic discharge device is equipped with connecting plate 3, and metal chassis 2 passes through connecting plate 3 and links to each other with the contact site, has reduced the connection degree of difficulty, has improved assembly efficiency. In addition, the connecting plate 3 is connected with the metal chassis 2 through the clamping part, and holes do not need to be punched on the metal chassis 2, so that the transformation cost of the existing cleaning robot is reduced.

The invention also provides a cleaning robot, which comprises any one of the electrostatic discharge devices. Optionally, the contact portion of the electrostatic discharge device is located between the vehicle body 1 and the rolling brush mechanism 5, the connection portion between the rolling brush mechanism 5 and the vehicle body 1 is located above the electrostatic discharge device, and static electricity generated by the vehicle body 1 and the rolling brush mechanism 5 can be quickly discharged through the electrostatic discharge device.

In this embodiment, the contact portion is located between the vehicle body 1 and the rolling brush mechanism 5, and in the working process of the cleaning robot, the rolling brush mechanism 5 rotates continuously, the rolling brush and the surface friction of the photovoltaic module 6 generate more static electricity, which is also a main source of the static electricity in the cleaning robot, and the contact portion is close to the rolling brush mechanism 5, so that the static electricity can be rapidly released, and the static electricity is prevented from being accumulated in a large amount. Of course, other positions of the contact portion are also within the scope of the present application.

It is noted that, in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.

The cleaning robot and the electrostatic discharge device thereof according to the present invention are described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims (9)

1. The static electricity releasing device is used for a cleaning robot and is characterized by comprising a metal chassis (2), wherein the metal chassis (2) is connected with at least one contact part extending downwards, when the cleaning robot moves on a photovoltaic module (6), the contact part can be in contact with a pressing block (7) on the photovoltaic module (6) to release static electricity, and a preset distance is reserved between the lowest end of the contact part and a supporting surface of the cleaning robot.

2. The electrostatic discharge device according to claim 1, further comprising a strip-shaped connection plate (3), wherein the connection plate (3) is connected to a side edge of the metal chassis (2) perpendicular to the moving direction of the cleaning robot, and the contact portion is connected to the connection plate (3).

3. The electrostatic discharge device according to claim 2, wherein a side of the connecting plate (3) away from the metal chassis (2) is a bent edge bent downward, and the contact portion is connected with the bent edge.

4. The electrostatic discharge device according to claim 3, wherein a plurality of mounting holes penetrating in the thickness direction are formed in the length direction of the bent edge, the contact portion is a conductive chain (4), the conductive chain (4) is mounted in the mounting holes, and the distance between any two adjacent mounting holes is smaller than the length of the pressing block (7) in the direction perpendicular to the moving direction of the cleaning robot.

5. The electrostatic discharge device according to any one of claims 2 to 4, further comprising a snap-in portion for connecting the metal base plate (2) and the connection plate (3).

6. The electrostatic discharge device according to claim 5, wherein the connecting plate (3) is provided with at least two bolt holes penetrating in the thickness direction, the clamping portion comprises a connecting rod and a clamping joint, one end of the connecting rod is provided with an external thread matched with the bolt holes, and the other end of the connecting rod is connected with the clamping joint.

7. The electrostatic discharge device according to claim 6, wherein the metal chassis (2) is provided with a yielding groove for yielding the clamping portion.

8. A cleaning robot comprising the electrostatic discharge device according to any one of claims 1 to 7.

9. The cleaning robot according to claim 8, wherein the contact portion of the electrostatic discharge device is located between the vehicle body (1) and the rolling brush mechanism (5).

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