Self-cleaning camera module suitable for photovoltaic cleaning robot

By installing a self-cleaning camera module on the photovoltaic cleaning robot, the problem of lack of front-view cameras in the prior art is solved, and the camera lenses are automatically cleaned and the long and low light illumination is provided in harsh environments, which improves the reliability and efficiency of cleaning operations.

CN119946397APending Publication Date: 2025-05-06SHENZHEN KWUNPHI ROBOT CO LTD
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Patent Information

Application Number
CN202510373679.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-03-27
Publication Date
2025-05-06

AI Technical Summary

Technical Problem

Existing photovoltaic cleaning robots lack front-view cameras and cannot monitor the cleaning path and environmental status in real time, making it difficult to deal with abnormal situations and avoid obstacles in a timely manner during the cleaning process.

Method used

A self-cleaning camera module suitable for photovoltaic cleaning robots is designed, including wiper components, LED high beams and LED low beams, which can automatically clean the camera lenses and provide high and low beam lighting to ensure normal operation in high dust and rainy environments.

Benefits of technology

The camera image is kept clean, ensuring the normal progress of cleaning operations at night and in harsh environments, providing real-time cleaning paths and environmental monitoring, and improving the work efficiency of operation and maintenance personnel.

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Abstract

The photovoltaic cleaning robot comprises a robot body and an upper cover arranged on the robot body, the self-cleaning camera module is arranged at the front end of the upper surface of the upper cover and comprises a shell, a rear cover, a windscreen wiper assembly and a camera, the rear cover is fixedly arranged at the rear end of the shell, and the windscreen wiper assembly is fixedly arranged at the rear end of the shell. A mounting cavity is formed in the shell, and the camera is arranged in the mounting cavity; a windscreen wiper assembly is fixedly arranged on the outer side wall of the bottom of the shell and comprises a windscreen wiper shell, a windscreen wiper control panel, a windscreen wiper motor and a windscreen wiper strip, the windscreen wiper control panel and the windscreen wiper motor are both arranged in the windscreen wiper shell, and the windscreen wiper motor and the control circuit board are electrically connected with the windscreen wiper control panel. According to the photovoltaic cleaning robot, the camera is arranged on the photovoltaic cleaning robot, the pictures of the environment in front of and around the cleaning path can be sensed, and the camera has the self-cleaning capacity, so that the pictures of the camera are kept clean and cannot be covered by dust and sewage.
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Description

Technical Field

[0001] The invention relates to a self-cleaning camera module suitable for a photovoltaic cleaning robot. Background Art

[0002] As a renewable and clean energy, solar photovoltaic has become an important force in today's global energy transformation. The surface of solar panels is prone to accumulation of dust, sand and other dirt. If there is no timely, scientific and professional cleaning and monitoring and other maintenance operations, it can cause the power generation of the components to decay by up to 40%-60%, and the power generation to drop by 20%-30%. Therefore, the concept of improving the power generation and efficiency of power stations by cleaning and maintaining solar panels reasonably and scientifically and taking good care of the components is recognized by the industry.

[0003] At present, the photovoltaic cleaning robots on the market, whether hanging or crawler type, are not equipped with forward-looking cameras, and cannot directly observe the environmental conditions in front of and around the cleaning path of the photovoltaic cleaning robot. Especially for unmanned and on-duty photovoltaic cleaning robots that can automatically clean and charge, there are no cameras that can sense the images in front of and around the robot's cleaning path. It is very inconvenient to remotely handle abnormal conditions of the machine during the cleaning process, avoid obstacles, and timely know the robot's location when the positioning signal and navigation system are abnormal. Summary of the invention

[0004] In view of the above-mentioned problems existing in the prior art, the main purpose of the present invention is to provide a self-cleaning camera module suitable for a photovoltaic cleaning robot.

[0005] The technical solution of the present invention is as follows:

[0006] A self-cleaning camera module suitable for a photovoltaic cleaning robot, the photovoltaic cleaning robot comprising a body and an upper cover fixedly arranged on the body, the self-cleaning camera module fixedly arranged at the front end of the upper surface of the upper cover, comprising a shell, a rear cover, a wiper assembly and a camera, wherein: the rear cover is fixedly arranged at the rear end of the shell, the shell has an installation cavity inside, and the camera is arranged inside the installation cavity;

[0007] The front side wall of the shell is provided with a first through hole, a second through hole and a third through hole, the first through hole and the third through hole are respectively located on both sides of the second through hole, a protective glass is fixedly installed at the front end of the shell, and the protective glass is located in front of the front side wall of the shell,

[0008] A control circuit board, an LED high beam lamp and an LED low beam lamp are also arranged inside the installation cavity. The LED high beam lamp, the LED low beam lamp and the camera are all electrically connected to the control circuit board. The front end of the camera corresponds to the second through hole, the front end of the LED low beam lamp corresponds to the first through hole, and the front end of the LED high beam lamp corresponds to the third through hole.

[0009] The wiper assembly is fixedly arranged on the bottom outer side wall of the housing, and the wiper assembly includes a wiper housing, a wiper control board, a wiper motor and a wiper strip, the wiper control board and the wiper motor are both fixedly arranged inside the wiper housing, and the wiper motor and the control circuit board are electrically connected to the wiper control board respectively;

[0010] The output shaft end of the wiper motor is fixedly connected to a wiper shaft, the front end of the wiper shaft penetrates the front side wall of the wiper housing and extends outward, and a wiper arm is fixedly provided at the front end of the wiper shaft, and the wiper strip is fixedly provided at one end of the wiper arm away from the wiper shaft, and the wiper strip is located in front of the protective glass, and the outer surface of the protective glass is cleaned by the wiper strip.

[0011] A first mounting portion is extended outwardly around the outer side wall of the rear end of the shell, and a fixing protrusion is extended forwardly on the front side walls of the four corners of the first mounting portion. A first fixing hole is provided in the fixing protrusion, and the first fixing hole passes through the first mounting portion.

[0012] A second fixing hole is provided on the rear cover at a position corresponding to the first fixing hole, and the rear cover is fixedly connected to the first mounting portion through the cooperation of the second fixing hole and the first fixing hole.

[0013] A connecting portion is fixedly provided at the front end of the wiper shaft, a connecting protrusion is extended outwardly from the outer side wall of the connecting portion, a connecting through hole is provided on the connecting protrusion, and one end of the wiper arm is fixedly connected to the connecting protrusion via the connecting through hole.

[0014] The wiper arm comprises a support plate, a first connecting plate and a second connecting plate, wherein the right end of the support plate is fixedly connected to the rear end of the first connecting plate, and the left end of the support plate is fixedly connected to the rear end of the second connecting plate;

[0015] The length of the support plate is smaller than that of the first connecting plate, the length of the first connecting plate is equal to that of the second connecting plate, a first fastening hole is provided at the lower end of the first connecting plate, and the first connecting plate is fixedly connected to the connecting protrusion through the cooperation between the first fastening hole and the connecting through hole;

[0016] A second fastening hole is provided at the lower end of the second connecting plate, and the second connecting plate is fixedly connected to the connecting protrusion through the cooperation between the second fastening hole and the connecting through hole.

[0017] A first fixing protrusion is provided on the upper portion of the front end side wall of the first connecting plate and extends outward, and a first fixing through hole is provided on the first fixing protrusion; a second fixing protrusion is provided on the upper portion of the front end side wall of the second connecting plate and extends outward, and a second fixing through hole is provided on the second fixing protrusion;

[0018] The rear portion of the wiper strip is located between the first connecting plate and the second connecting plate, and a connecting shaft is arranged on the wiper strip, one end of the connecting shaft is fixedly arranged in the first fixing through hole, and the other end of the connecting shaft is fixedly arranged in the second fixing through hole.

[0019] The support plate, the first connecting plate and the second connecting plate are integrally formed, and the upper ends of the first connecting plate and the second connecting plate are flush with the upper end of the support plate.

[0020] A second mounting portion is extended outwardly around the outer side wall of the upper end of the wiper housing, and three fixing holes are respectively provided at four corners of the second mounting portion. The second mounting portion is fixedly connected to the bottom side wall of the housing through the four third fixing holes.

[0021] A fixed support portion is fixedly arranged on the front side wall of the rear cover, and the fixed support portion and the rear cover are integrally formed.

[0022] A connecting support plate is extended backward from the lower end of the rear cover, and a first connecting fastening hole and a second connecting fastening hole are provided on the connecting support plate. The connecting support plate is fixedly connected to the front end of the upper surface of the upper cover through the first connecting fastening hole and the second connecting fastening hole.

[0023] The present invention has the following advantages and beneficial effects: the self-cleaning camera module suitable for a photovoltaic cleaning robot provided by the embodiment of the present invention has the self-cleaning ability through the wiper assembly provided, and can automatically clean the camera lens in an operating environment with serious dust and sewage pollution, so that the camera screen can be kept clean and will not be covered by dust and sewage, affecting the quality of the screen seen in the background; through the LED high beam and LED low beam provided, it also has the ability of high and low beam lighting, in an environment without lighting, it can illuminate the nearby environment to the maximum extent, and can also see the distant environment to the maximum extent, so that unmanned and on-duty photovoltaic cleaning robots can be used normally when performing cleaning operations in an environment without lighting at night; in addition, the overall structure adopts a dustproof and waterproof design, which can be used normally in a high dust environment where the photovoltaic cleaning robot operates, and can also be used normally when the photovoltaic cleaning robot cleans on rainy days. At the same time, it can provide the automatic cleaning navigation system with a picture of the photovoltaic cleaning robot in the forward direction, and can provide the cleaning picture of the photovoltaic cleaning robot for the background maintenance personnel and operation and maintenance personnel, and the operation and maintenance personnel can see the cleaning quality of the photovoltaic cleaning robot, the component pollution of the photovoltaic power station, and the environmental picture of the photovoltaic power station. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 A schematic diagram of the three-dimensional structure in one direction of a self-cleaning camera module suitable for a photovoltaic cleaning robot provided in an embodiment of the present invention.

[0025] Figure 2 A schematic diagram of the three-dimensional structure of the self-cleaning camera module suitable for a photovoltaic cleaning robot provided in an embodiment of the present invention from another direction.

[0026] Figure 3 A schematic diagram of the exploded structure of a self-cleaning camera module suitable for a photovoltaic cleaning robot provided in an embodiment of the present invention.

[0027] Figure 4 This is an enlarged three-dimensional structural schematic diagram of a housing provided in an embodiment of the present invention.

[0028] Figure 5 This is a schematic diagram of an enlarged three-dimensional structure of a rear cover in one direction provided by an embodiment of the present invention.

[0029] Figure 6 This is a schematic diagram of an enlarged three-dimensional structure of the back cover in another direction provided by an embodiment of the present invention.

[0030] Figure 7 An enlarged three-dimensional structural schematic diagram of a wiper assembly provided in an embodiment of the present invention.

[0031] Figure 8 An enlarged front structural schematic diagram of a wiper assembly provided in an embodiment of the present invention.

[0032] Fig. 9 for Figure 8 Schematic diagram of the cross-sectional structure in the AA direction.

[0033] Fig.10 It is a schematic diagram of an enlarged three-dimensional structure of a wiper housing provided by an embodiment of the present invention.

[0034] Fig.11 An enlarged three-dimensional structural schematic diagram of the wiper arm and the wiper strip provided in an embodiment of the present invention.

[0035] Fig.12 This is a schematic diagram of an enlarged three-dimensional structure of a wiper arm in one direction provided by an embodiment of the present invention.

[0036] Fig.13 This is a schematic diagram of an enlarged three-dimensional structure of the wiper arm provided by an embodiment of the present invention in another direction.

[0037] Fig.14 A schematic diagram of the three-dimensional structure of a self-cleaning camera module suitable for a photovoltaic cleaning robot provided in an embodiment of the present invention installed on the photovoltaic cleaning robot. DETAILED DESCRIPTION

[0038] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all of the embodiments. The components of the embodiments of the present invention generally described and shown in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0039] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0040] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0041] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0042] like Figures 1 to 14 As shown: a self-cleaning camera module suitable for a photovoltaic cleaning robot provided by an embodiment of the present invention, the photovoltaic cleaning robot comprises a body 100 and an upper cover 101 fixedly arranged on the body 100, the self-cleaning camera module 200 is fixedly arranged at the front end of the upper surface of the upper cover 101, and comprises a shell 201, a rear cover 202, a wiper assembly 220 and a camera 203, wherein: the rear cover 202 is fixedly arranged at the rear end of the shell 201, the shell 201 has an installation cavity inside, and the camera 203 is arranged inside the installation cavity;

[0043] The front side wall of the housing 201 is provided with a first through hole 204, a second through hole 205 and a third through hole 206, wherein the first through hole 204 and the third through hole 206 are respectively located on both sides of the second through hole 205, and a protective glass 207 is fixedly installed at the front end of the housing 201, wherein the protective glass 207 is located in front of the front side wall of the housing 201.

[0044] A control circuit board 208, an LED high beam lamp 209 and an LED low beam lamp 210 are further disposed inside the installation cavity. The LED high beam lamp 209, the LED low beam lamp 210 and the camera 209 are all electrically connected to the control circuit board 208. The front end of the camera 203 corresponds to the second through hole 205, the front end of the LED low beam lamp 210 corresponds to the first through hole 204, and the front end of the LED high beam lamp 209 corresponds to the third through hole 206.

[0045] The wiper assembly 220 is fixedly disposed on the bottom outer wall of the housing 201. The wiper assembly 220 includes a wiper housing 221, a wiper control board 222, a wiper motor 223, and a wiper strip 224. The wiper control board 222 and the wiper motor 223 are both fixedly disposed inside the wiper housing 221, and the wiper motor 223 and the control circuit board 208 are electrically connected to the wiper control board 222, respectively.

[0046] The output shaft end of the wiper motor 223 is fixedly connected to a wiper shaft 225, the front end of the wiper shaft 225 penetrates the front side wall of the wiper housing 221 and extends outward, and a wiper arm 226 is fixedly provided at the front end of the wiper shaft 225, and the wiper strip 224 is fixedly provided at one end of the wiper arm 226 away from the wiper shaft 225. The wiper strip 224 is located in front of the protective glass 207, and the outer surface of the protective glass 207 is cleaned by the wiper strip 224.

[0047] The embodiment of the present invention provides a self-cleaning camera module suitable for a photovoltaic cleaning robot. Through the above design, the protective glass 207 is installed in front of the housing 201, the camera 203 is installed from the rear of the housing 201 to the rear side of the protective glass 207, the LED low beam 210 and the LED high beam 209 are installed on both sides of the camera 203, respectively, the control circuit board 208 is installed in the housing 201, the rear cover 202 is installed at the rear of the housing 201, the wiper assembly 220 is installed below the housing 201, and the wiper strip 224 is located at the front side of the protective glass 207. The protective glass 207 is automatically cleaned by the wiper strip 224, and the control harness of the entire self-cleaning camera module is led out from the outlet hole reserved on the rear cover 202. In addition, the entire self-cleaning camera module is sealed and waterproof and dustproof by means of a silicone pad and a sealant to improve the sealing performance, so as to achieve the purpose of waterproof and dustproof.

[0048] A first mounting portion 241 is extended outwardly around the outer side wall of the rear end of the housing 201, and a fixing protrusion 242 is extended forwardly from the front side walls of the four corners of the first mounting portion 241. A first fixing hole is provided in the fixing protrusion 243, and the first fixing hole passes through the first mounting portion 241.

[0049] A second fixing hole 245 is provided on the rear cover 202 at a position corresponding to the first fixing hole. The rear cover 202 is fixedly connected to the first mounting portion 241 through the cooperation between the second fixing hole 245 and the first fixing hole.

[0050] A connecting portion 246 is fixedly provided at the front end of the wiper shaft 225, and a connecting protrusion 247 is extended outward from the outer wall of the connecting portion 246. A connecting through hole is provided on the connecting protrusion 247, and one end of the wiper arm 226 is fixedly connected to the connecting protrusion 247 via the connecting through hole.

[0051] The wiper arm 226 includes a support plate 260, a first connecting plate 261 and a second connecting plate 262, wherein the right end of the support plate 260 is fixedly connected to the rear end of the first connecting plate 261, and the left end of the support plate 260 is fixedly connected to the rear end of the second connecting plate 262;

[0052] The length of the support plate 260 is smaller than that of the first connecting plate 261. The length of the first connecting plate 261 is equal to that of the second connecting plate 262. A first fastening hole 263 is provided at the lower end of the first connecting plate 261. The first connecting plate 261 is fixedly connected to the connecting protrusion 247 through the cooperation between the first fastening hole 263 and the connecting through hole.

[0053] A second fastening hole 264 is provided at the lower end of the second connecting plate 262 , and the second connecting plate 262 is fixedly connected to the connecting protrusion 247 through the cooperation between the second fastening hole 264 and the connecting through hole.

[0054] A first fixing protrusion 271 is extended outwardly from the upper portion of the front end side wall of the first connecting plate 261, and a first fixing through hole 281 is provided on the first fixing protrusion 271; a second fixing protrusion 272 is extended outwardly from the upper portion of the front end side wall of the second connecting plate 262, and a second fixing through hole 281 is provided on the second fixing protrusion 272; the rear portion of the wiper strip 224 is located between the first connecting plate 261 and the second connecting plate 262, and a connecting shaft is provided on the wiper strip 224, one end of the connecting shaft is fixedly provided in the first fixing through hole 281, and the other end of the connecting shaft is fixedly provided in the second fixing through hole 282. Through the above design, that is, the first fixing protrusion 271 and the first connecting plate 261 are integrally formed, and the second fixing protrusion 272 and the second connecting plate 262 are integrally formed, the firmness of the combination of the first fixing protrusion 271 and the first connecting plate 261 can be improved, and the firmness of the combination of the second fixing protrusion 272 and the second connecting plate 262 can be improved.

[0055] The support plate 260, the first connecting plate 261 and the second connecting plate 262 are integrally formed, and the upper ends of the first connecting plate 261 and the second connecting plate 262 are flush with the upper end of the support plate 260. Through the above design, that is, the support plate 260, the first connecting plate 261 and the second connecting plate 262 are integrally formed, the firmness of the first connecting plate 261 and the second connecting plate 262 combined with the support plate 260 can be improved, thereby increasing the strength of the wiper arm 226, thereby achieving the purpose of extending the service life of the wiper arm 226.

[0056] A second mounting portion 290 is extended outwardly around the outer side wall of the upper end of the wiper housing 221 , and three fixing holes 293 are respectively provided at the four corners of the second mounting portion 290 . The second mounting portion 290 is fixedly connected to the bottom side wall of the housing 201 through the four third fixing holes 293 .

[0057] A fixed support portion 294 is fixedly provided on the front side wall of the rear cover 202, and the fixed support portion 294 and the rear cover 202 are integrally formed, so that the firmness of the combination of the fixed support portion 294 and the rear cover 202 can be improved; the fixed support portion 294 can be used to install various electrical components. Through the above design, that is, through the fixed support portion 294, various electrical components can be firmly fixed on the rear cover 202, which is convenient for early assembly and later maintenance, and safety and reliability are improved.

[0058] A connecting support plate 250 is extended backward from the lower end of the rear cover 202, and a first connecting fastening hole 251 and a second connecting fastening hole 252 are provided on the connecting support plate 250. The connecting support plate 250 is fixedly connected to the front end of the upper surface of the upper cover 101 through the first connecting fastening hole 251 and the second connecting fastening hole 252, which is convenient for early assembly and later maintenance.

[0059] A self-cleaning camera module suitable for a photovoltaic cleaning robot provided in an embodiment of the present invention can provide a real-time image of the front of the photovoltaic cleaning robot for an automatic cleaning navigation system, and can provide a clear cleaning image of the photovoltaic cleaning robot for back-end maintenance personnel and operation and maintenance personnel. The operation and maintenance personnel can see the cleaning operation quality of the photovoltaic cleaning robot, the contamination status of the components of the photovoltaic power station, and the environmental image of the photovoltaic power station.

[0060] The self-cleaning camera module suitable for a photovoltaic cleaning robot provided in an embodiment of the present invention has a self-cleaning capability through the arranged wiper assembly 220. It can automatically clean the camera lens (i.e., the protective glass 207) in an operating environment with serious dust and sewage pollution, so that the camera image can remain clean and will not be covered by dust and sewage, which would affect the quality of the image seen in the background.

[0061] The embodiment of the present invention provides a self-cleaning camera module suitable for a photovoltaic cleaning robot. By providing an LED high beam 209 and an LED low beam 210, the module also has the capability of high and low beam lighting. In an environment without lighting, the module can illuminate the nearby environment to the maximum extent and can also see the distant environment to the maximum extent. This enables unmanned and on-duty photovoltaic cleaning robots to be used normally when performing cleaning operations in an environment without lighting at night.

[0062] The self-cleaning camera module suitable for a photovoltaic cleaning robot provided in an embodiment of the present invention has an overall structure that adopts a dustproof and waterproof design, and can be used normally in a high-dust environment where the photovoltaic cleaning robot is operating, and can also be used normally when the photovoltaic cleaning robot is cleaning on rainy days. At the same time, it can provide the automatic cleaning navigation system with a picture of the photovoltaic cleaning robot's forward direction, and can provide the backstage maintenance personnel and operation and maintenance personnel with a cleaning picture of the photovoltaic cleaning robot, so that the operation and maintenance personnel can see the cleaning quality of the photovoltaic cleaning robot, the component contamination of the photovoltaic power station, and the environmental picture of the photovoltaic power station.

[0063] The LED low beam 210 has the characteristics of a large lighting range, and the LED high beam 209 has the characteristics of focusing light and irradiating a long distance. In an environment without lighting, turn on the fill light, and turn on the LED low beam 210 and the LED high beam 209 at the same time. The two LED lights (i.e., the LED low beam 210 and the LED high beam 209) can illuminate the nearby environment to the maximum extent, and can also see the distant environment to the maximum extent, so that when the unmanned and on-duty photovoltaic cleaning robot is operating in an environment without lighting at night, a clear night cleaning picture can be normally seen in the background.

[0064] The self-cleaning camera module suitable for a photovoltaic cleaning robot provided in an embodiment of the present invention is installed in front of the front of the photovoltaic cleaning robot (i.e., the front end of the upper cover 101) through the reserved installation holes (i.e., the first connection fastening hole 251 and the second connection fastening hole 252) on the connection support plate 250 at the lower end of the rear cover 202. When the backstage personnel need to view the picture in front of the fuselage 100 of the photovoltaic cleaning robot, they can open the mobile phone APP or the web page to view the high-definition picture in real time. At night when there is no lighting, when the backstage personnel want to see the picture in front of the photovoltaic cleaning robot clearly, they can turn on the fill light in the camera control interface on the mobile phone APP or the web page. At this time, the LED low beam 210 and the LED high beam 209 are turned on at the same time, and the backstage personnel can see both the large-scale picture in the near distance and the objects in the distance. When the photovoltaic cleaning robot is operating in a rainy day or in an environment with sewage, water droplets and sewage can easily splash onto the camera lens (i.e., the protective glass 207), making the camera image blurred. At this time, you can click the wiper button, and the wiper strip 224 in the wiper assembly 220 will wipe once, and the water droplets and sewage will be scraped away by the wiper strip 224, and the camera 203 image will become clear again.

[0065] To protect the electrical components inside the self-cleaning camera module, the two LED lights will automatically turn off with a delay, and will automatically turn off when the backstage personnel exit the camera screen or when there is no operation for a long time, thereby extending the service life of the lights. To ensure the normal use of the wiper assembly 220, no manual operation is required. When the photovoltaic cleaning robot is operating normally, the automatic cleaning navigation system of the photovoltaic cleaning robot will issue a scraping command at a fixed interval to make the wiper strip 224 scrape once to scrape away the dust and dirty water on the protective glass 207, so as to avoid excessive dust accumulation on the protective glass 207 or solidification of sewage due to the wiper strip 224 not scraping for a long time, so that the wiper assembly 220 cannot be used normally.

[0066] Finally, it should be noted that the above-described embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some or all of the technical features thereof may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A self-cleaning camera module suitable for a photovoltaic cleaning robot, the photovoltaic cleaning robot comprising a body and an upper cover fixedly arranged on the body, the self-cleaning camera module being fixedly arranged at the front end of the upper surface of the upper cover, characterized in that: It comprises a housing, a back cover, a wiper assembly and a camera, wherein: the back cover is fixedly arranged at the rear end of the housing, the housing has an installation cavity inside, and the camera is arranged inside the installation cavity; The front side wall of the shell is provided with a first through hole, a second through hole and a third through hole, the first through hole and the third through hole are respectively located on both sides of the second through hole, a protective glass is fixedly installed at the front end of the shell, and the protective glass is located in front of the front side wall of the shell, A control circuit board, an LED high beam lamp and an LED low beam lamp are also arranged inside the installation cavity. The LED high beam lamp, the LED low beam lamp and the camera are all electrically connected to the control circuit board. The front end of the camera corresponds to the second through hole, the front end of the LED low beam lamp corresponds to the first through hole, and the front end of the LED high beam lamp corresponds to the third through hole. The wiper assembly is fixedly arranged on the bottom outer side wall of the housing, and the wiper assembly includes a wiper housing, a wiper control board, a wiper motor and a wiper strip, the wiper control board and the wiper motor are both fixedly arranged inside the wiper housing, and the wiper motor and the control circuit board are electrically connected to the wiper control board respectively; The output shaft end of the wiper motor is fixedly connected to a wiper shaft, the front end of the wiper shaft penetrates the front side wall of the wiper housing and extends outward, and a wiper arm is fixedly provided at the front end of the wiper shaft, and the wiper strip is fixedly provided at one end of the wiper arm away from the wiper shaft, and the wiper strip is located in front of the protective glass, and the outer surface of the protective glass is cleaned by the wiper strip.

2. The self-cleaning camera module suitable for a photovoltaic cleaning robot according to claim 1, characterized in that: A first mounting portion is extended outwardly around the outer side wall of the rear end of the shell, and a fixing protrusion is extended forwardly on the front side walls of the four corners of the first mounting portion. A first fixing hole is provided in the fixing protrusion, and the first fixing hole passes through the first mounting portion.

3. The self-cleaning camera module suitable for a photovoltaic cleaning robot according to claim 2, characterized in that: A second fixing hole is provided on the rear cover at a position corresponding to the first fixing hole, and the rear cover is fixedly connected to the first mounting portion through the cooperation of the second fixing hole and the first fixing hole.

4. The self-cleaning camera module suitable for a photovoltaic cleaning robot according to any one of claims 1 to 3, characterized in that: A connecting portion is fixedly provided at the front end of the wiper shaft, a connecting protrusion is extended outwardly from the outer side wall of the connecting portion, a connecting through hole is provided on the connecting protrusion, and one end of the wiper arm is fixedly connected to the connecting protrusion via the connecting through hole.

5. The self-cleaning camera module suitable for a photovoltaic cleaning robot according to claim 4, characterized in that: The wiper arm comprises a support plate, a first connecting plate and a second connecting plate, wherein the right end of the support plate is fixedly connected to the rear end of the first connecting plate, and the left end of the support plate is fixedly connected to the rear end of the second connecting plate; The length of the support plate is smaller than that of the first connecting plate, the length of the first connecting plate is equal to that of the second connecting plate, a first fastening hole is provided at the lower end of the first connecting plate, and the first connecting plate is fixedly connected to the connecting protrusion through the cooperation between the first fastening hole and the connecting through hole; A second fastening hole is provided at the lower end of the second connecting plate, and the second connecting plate is fixedly connected to the connecting protrusion through the cooperation between the second fastening hole and the connecting through hole.

6. The self-cleaning camera module suitable for a photovoltaic cleaning robot according to claim 5, characterized in that: A first fixing protrusion is provided on the upper portion of the front end side wall of the first connecting plate and extends outward, and a first fixing through hole is provided on the first fixing protrusion; a second fixing protrusion is provided on the upper portion of the front end side wall of the second connecting plate and extends outward, and a second fixing through hole is provided on the second fixing protrusion; The rear portion of the wiper strip is located between the first connecting plate and the second connecting plate, and a connecting shaft is arranged on the wiper strip, one end of the connecting shaft is fixedly arranged in the first fixing through hole, and the other end of the connecting shaft is fixedly arranged in the second fixing through hole.

7. The self-cleaning camera module suitable for a photovoltaic cleaning robot according to claim 5, characterized in that: The support plate, the first connecting plate and the second connecting plate are integrally formed, and the upper ends of the first connecting plate and the second connecting plate are flush with the upper end of the support plate.

8. The self-cleaning camera module suitable for a photovoltaic cleaning robot according to claim 1, characterized in that: A second mounting portion is extended outwardly around the outer side wall of the upper end of the wiper housing, and three fixing holes are respectively provided at four corners of the second mounting portion. The second mounting portion is fixedly connected to the bottom side wall of the housing through the four third fixing holes.

9. The self-cleaning camera module suitable for a photovoltaic cleaning robot according to claim 1, characterized in that: A fixed support portion is fixedly arranged on the front side wall of the rear cover, and the fixed support portion and the rear cover are integrally formed.

10. The self-cleaning camera module suitable for a photovoltaic cleaning robot according to claim 9, characterized in that: A connecting support plate is extended backward from the lower end of the rear cover, and a first connecting fastening hole and a second connecting fastening hole are provided on the connecting support plate. The connecting support plate is fixedly connected to the front end of the upper surface of the upper cover through the first connecting fastening hole and the second connecting fastening hole.