Passive cleaning device and cleaning system

Abstract

Passive cleaning device, characterized in that it comprises: a cleaning section, wherein the cleaning section serves to clean an area to be cleaned; a handpiece, wherein the handpiece is connected to the cleaning section; a first lighting element arranged on the cleaning section and / or on the handpiece, wherein the first lighting element serves to emit a first light towards the rear of the cleaning device, wherein the first light serves to illuminate at least a part of the already cleaned area to be cleaned.

Description

Technical field

[0001] The present utility model relates to the technical field of cleaning equipment, in particular a passive cleaning device and a cleaning system. Background technology

[0002] With technological advancements and rising expectations for quality of life, smart home devices are increasingly becoming part of everyday life, with cleaning appliances being among the most prominent examples. These appliances can clean floors while simultaneously vacuuming up dirty water and removing it from the area. They offer advantages such as environmental protection, energy savings, and high efficiency, and can clean low areas under sofas, coffee tables, and beds.

[0003] Existing cleaning devices are equipped with front-mounted lighting components to illuminate the area in front of the device in poor lighting conditions, allowing the user to assess the level of soiling on the floor before cleaning. However, once the cleaning device has finished, it is difficult for the user to see the result on the floor after cleaning, which can lead to the floor not being cleaned thoroughly and the cleaning effect being rather poor. Subject of the utility model

[0004] The main objective of the present utility model is to provide a passive cleaning device and cleaning system designed to solve the technical problems mentioned in the prior art.

[0005] To achieve the above objective, the present utility model proposes a passive cleaning device comprising: a cleaning section, wherein the cleaning section serves to clean an area to be cleaned; a handpiece, wherein the handpiece is connected to the cleaning section; a first lighting element arranged on the cleaning section and / or on the handpiece, wherein the first lighting element serves to emit a first light towards the rear of the cleaning device, wherein the first light serves to illuminate at least a part of the already cleaned area to be cleaned.

[0006] In one embodiment, the passive cleaning device is a floor cleaner, wherein the floor cleaner comprises a wiping element, the wiping element forming at least part of the cleaning section and the wiping element serving to clean the surface to be cleaned.

[0007] In one embodiment, the handle part comprises a grip section and a connecting section; wherein the grip section is connected to the cleaning section via the connecting section; wherein in at least one working position of the passive cleaning device the vertical distance between the handle section and the surface to be cleaned is more than 0.5 m.

[0008] One embodiment of the passive cleaning device comprises: a light intensity detection device used to detect ambient light intensity; a light intensity control module, wherein the light intensity control module is connected to the light intensity sensing device and the first lighting element and serves to adjust the light intensity of the first lighting element according to the ambient light intensity detected by the light intensity sensing device.

[0009] One embodiment of the passive cleaning device comprises: a triggering element used to detect a switching signal triggered by the user; a light intensity control module, wherein the light intensity control module is connected to the triggering element and the first lighting element and serves to control the light intensity of the first lighting element according to the switching signal detected by the triggering element.

[0010] In one embodiment, the first lighting element is arranged on the back of the cleaning section; and / or the first lighting element is located on the left and / or right side of the cleaning section; and / or the height of the first lighting element from the surface to be cleaned is greater than 0 mm and less than or equal to 6 mm; and / or the first lighting element emits the first light diagonally downwards; and / or the direction of emission of the central light beam emitted by the first lighting element is arranged at an acute angle to the left-right direction of the cleaning section; and / or the first lighting element comprises a first laser lamp, wherein the first laser lamp emits the first light; and / or the first light is green light; and / or the wavelength of the first light is between 532 nm and 556 nm.

[0011] In one embodiment, the first lighting element is arranged on the back of the cleaning section; and / or the first lighting element is a first light bar, wherein the first light bar is arranged along the left-right direction of the cleaning section; and / or the first lighting element is an LED light.

[0012] In one embodiment, the first lighting element is arranged on the back of the handpiece; and / or the first lighting element is an LED light.

[0013] In one embodiment, the passive cleaning device further comprises: a second lighting element, wherein the second lighting element is arranged on the hand part and / or on the cleaning section; the second lighting element serves to shine a second light onto a local area to be cleaned in front of the cleaning device.

[0014] In one embodiment, the second lighting element is arranged on the front of the cleaning section; and / or the second lighting element includes a second light bar, wherein the second light bar is arranged along the left-right direction of the cleaning section; and / or the second lighting element is an LED light.

[0015] In one embodiment, the height of the second lighting element from the surface to be cleaned is greater than 0 mm and less than or equal to 6 mm; and / or the second lighting element emits the second light diagonally downwards; and / or the direction of emission of the central light beam of the second lighting element is arranged at an acute angle to the left-right direction of the cleaning section; and / or the second lighting element comprises a second laser lamp, wherein the second laser lamp emits the second light; and / or the second light is green light; and / or the wavelength of the second light is between 532 nm and 556 nm.

[0016] The present utility model further provides a cleaning system, wherein the cleaning system comprises the passive cleaning device described above and a base station, wherein the base station comprises a docking port, wherein the cleaning device can dock at the docking port.

[0017] In the passive cleaning device of the present utility model, a first lighting element is installed on the cleaning section and / or on the hand part to emit a first light towards the rear of the cleaning device, the first light serving to illuminate at least part of the already cleaned area to be cleaned.In this way, when using the passive cleaning device to clean an area in a dimly lit area, the already cleaned area can be illuminated by the first lighting element, with the first light emitted by the first lighting element being used to illuminate dust or dirt particles on the already cleaned area, making it easier for the user to clearly see whether the area to be cleaned is clean and to observe and compare the cleaning effect of the area to be cleaned before and after cleaning in real time in order to further clean the area to be cleaned and to improve the cleaning efficiency and effect. Figures Fig. Figure 1 is a schematic structural view of an embodiment of the cleaning device of the present utility model; Fig.Figure 2 is a schematic structural view of an embodiment of the cleaning section of the present utility model; Fig. Figure 3 is a structural block diagram of an embodiment of the cleaning device of the present utility model; Fig. Figure 4 is a structural block diagram of a further embodiment of the cleaning device of the present utility model; Fig. Figure 5 is a structural block diagram of a further embodiment of the cleaning section of the present utility model. Reference symbol list: number Designation number Designation 100 Cleaning device 10 Cleaning section 20 handpiece 30 First lighting element 40 Light intensity detection device 50 Light intensity control module 60 Trigger element 70 Second lighting element 101 Cleaning device body 21 Handle section

[0018] The realization of the objectives, functional features and advantages of the present utility model will be further explained in conjunction with the exemplary embodiments and with reference to the accompanying drawings. Specific embodiments

[0019] The solutions in the embodiments of this utility model are described clearly and completely below with reference to the accompanying drawings. Obviously, the described embodiments represent only a subset of the embodiments of this utility model and not all of them. Based on the embodiments in this utility model, all other embodiments obtained by general technical personnel without creative work fall within the scope of protection of this utility model.

[0020] It should be noted that all directional terms (such as up, down, left, right, front, back, etc.) in the embodiments of this utility model serve only to explain the relative positions, movements, etc., between different components in a specific orientation (as shown in the drawings). If this specific orientation changes, the directional terms change accordingly.

[0021] It should also be noted that when an element is described as "attached" or "arranged" to another element, it may be directly on top of the other element or there may be an intervening element. Similarly, when an element is described as "connected" to another element, it may be directly attached to the other element or there may be an intervening element.

[0022] Furthermore, descriptions referring to "first," "second," etc., in this utility model are for descriptive purposes only and are not to be understood as indicating or implying any relative importance or as implicitly specifying the number of technical features listed. Therefore, features defined as "first" and "second" may explicitly or implicitly include one or more of these features. Moreover, the technical solutions of the various embodiments may be combined, provided that they can be implemented by a person skilled in the art. If the combination of technical solutions is contradictory or not feasible, it should be assumed that such a combination of technical solutions does not exist and is not within the scope of protection of this utility model.

[0023] Please refer to Fig.1. The present application proposes a passive cleaning device 100 comprising a cleaning section 10 and a hand part 20, wherein the cleaning section 10 serves to clean a surface to be cleaned and the hand part 20 is connected to the cleaning section 10.

[0024] The passive cleaning device 100 is a cleaning device 100 that requires user participation and control, whereby the user must hold the handpiece 20 and move the cleaning section 10 on the surface to be cleaned. The passive cleaning device 100 includes, but is not limited to, a handheld floor cleaner, a handheld vacuum cleaner, or a handheld mite vacuum cleaner, etc. Accordingly, the surface to be cleaned can be the floor, a wall surface, a window surface, etc.

[0025] It should be noted that the connection between the handpiece 20 and the cleaning section 10 can be either a movable or a fixed connection. The movable connection includes, among other things, a swivel connection or a detachable connection, which can be specifically configured according to the actual requirements. The type of cleaning section 10 can also be configured according to the actual situation, as long as it is a component capable of cleaning the surface to be cleaned, such as a roller brush or a mop.

[0026] In one embodiment, the passive cleaning device 100 is a floor cleaner, wherein the floor cleaner comprises a wiping element, the wiping element forming at least part of the cleaning section 10 and serving to clean the surface to be cleaned. The number of wiping elements can be one or more. The wiping element is, for example, a roller brush. The wiping element is arranged on the underside of the floor cleaner, and when the passive cleaning device 100 moves over the surface to be cleaned, the wiping element cleans the surface.

[0027] Please refer to Fig.2. The cleaning device 100 further comprises a first lighting element 30, wherein the first lighting element 30 is arranged on the cleaning section 10 and / or on the hand part 20, wherein the first lighting element 30 serves to emit a first light in the direction of the rear of the cleaning device 100, wherein the first light serves to illuminate at least a part of the already cleaned area to be cleaned.

[0028] In this embodiment, the forward direction of movement of the cleaning device 100 is the front, and the direction opposite to the forward direction of movement is the back. The left-right direction is based on the front-back direction and is a direction perpendicular to the front-back direction. For further understanding and explanation, Fig.2 is taken as an example. The cleaning device body 101 can be a rectangular, round, or similarly shaped body. The cleaning device body 101 has a center line that lies in the left-right direction of the cleaning device body 101. The direction of movement of the cleaning device 100 is that shown in Fig. 2 Front-back direction indicated by the front-back arrow.

[0029] When using the passive cleaning device 100 to clean a surface in a dimly lit area, the first lighting element 30 illuminates the area towards the rear of the cleaning device 100. When this light hits dust or dirt particles on the already cleaned surface, these particles can be seen with the naked eye. This allows the user to easily see whether the surface is clean and to observe and compare the cleaning effect before and after cleaning in real time. This allows for further cleaning and thus improves cleaning efficiency and effectiveness.

[0030] The cleaning section (e.g., roller brush) of existing cleaning devices is generally arranged at the front or on both sides of the cleaning device body to enable edge cleaning. To avoid interfering with edge cleaning, in some embodiments the first lighting element 30 is located at the rear of the cleaning section 10. That is, the first lighting element 30 is located at the rear in the direction of movement of the cleaning device 100 to emit a first light towards the rear of the cleaning device 100 in order to illuminate at least part of the already cleaned area to be cleaned, thereby achieving a lighting effect for the area behind the cleaning device 100 without interfering with edge cleaning of the cleaning section 10 and avoiding obstruction of the space within the cleaning section 10.At a relatively low lateral position, the first light, which illuminates at least part of the already cleaned area to be cleaned, can cast shadows of dust or particles, so that the shadows of dust or particles form a clear contrast to the area to be cleaned, thus achieving a visualization effect for the area behind the cleaning device 100, which makes it easier for the user to clearly see whether the area to be cleaned is clean and to observe and compare the cleaning effect of the area to be cleaned before and after cleaning in real time.

[0031] Of course, in other embodiments the first lighting element 30 can also be arranged on the left side and / or the right side of the cleaning section 10 or on the back of the hand part 20 or simultaneously on the back of the cleaning section 10 and the hand part 20, which is not limited by the present application.

[0032] In some embodiments, the handpiece 20 comprises a handle section 21 and a connecting section; the handle section 21 is connected to the cleaning section 10 via the connecting section; in at least one working position of the passive cleaning device 100, the vertical distance between the handle section 21 and the surface to be cleaned is greater than 0.5 m, which makes it easier for the user to hold the handle section 21 to clean the surface. In this way, even if the user is at a greater distance from the surface to be cleaned, the surface can be clearly seen under the illumination of the first light.

[0033] In some embodiments, the number of first lighting elements 30 is one, or the number of first lighting elements 30 is two or more, wherein two or more first lighting elements 30 may be distributed on opposite sides of the cleaning section 10. This is, of course, only an example, and the present application does not impose any limitations in this respect.

[0034] In some embodiments, the height of the first lighting element 30 from the surface to be cleaned is greater than 0 mm and less than or equal to 6 mm; for example, the height of the first lighting element 30 from the surface to be cleaned is 1 mm, 3 mm, 4 mm, 6 mm, etc. In this embodiment, the visualization effect of the first lighting element 30 on dust and contaminant particles on the already cleaned surface to be cleaned is ensured by controlling the distance between the first lighting element 30 and the surface to be cleaned.

[0035] In some embodiments, the first lighting element 30 emits the first light obliquely downwards, thereby increasing the illumination area of ​​the first lighting element 30, which is advantageous for the user when cleaning the already cleaned area to be cleaned.

[0036] Preferably, the emission direction of the central light beam emitted by the first lighting element 30 is arranged at an acute angle to the left-right direction of the cleaning section 10, for example 45°, 50°, 55°, 60°, etc. The size of the acute angle is adjusted according to the actual situation in order to adapt the illumination area of ​​the first lighting element 30.

[0037] In some embodiments, the first lighting element 30 comprises a first laser lamp, wherein the first laser lamp emits a first light. Since the light emitted by the first laser lamp is more focused compared to an ordinary lamp, illuminating the already cleaned area to be cleaned with the first light, utilizing the high energy and brightness of the laser, can make fine particles and fine dust on the floor visible. Furthermore, after cleaning, it can help the user to determine whether the area has been thoroughly cleaned, thus fulfilling the user's need for deep cleaning and improving cleaning efficiency and effectiveness.

[0038] Of course, the first lighting element 30 can also use an LED light in other embodiments, which is not limited by the embodiments of the present application.

[0039] In some embodiments, the first light is green. By illuminating dust and contaminants with green light, the light-dark contrast can be enhanced, so that the shadows of the dust and contaminants form a clear contrast to the already cleaned area to be cleaned. This significantly improves the visibility of the dust, making it easier for the user to see it clearly and thus clean it more effectively. At the same time, the green light is soft and uniform, providing the user with a more pleasant visual experience during cleaning.

[0040] In some embodiments, the wavelength of the first light lies between 532 nm and 556 nm; for example, the wavelength of the first light is 532 nm, 544 nm, 555 nm, or 556 nm. The first light in this wavelength range is green laser light, which has a bright beam and high resistance to stray light. Compared to white light with higher brightness, users are more sensitive to the first light with a wavelength between 532 nm and 556 nm, making it easier for the user to detect dust and contaminants on the already cleaned surface and thus perform a deeper cleaning.

[0041] In some embodiments, the first lighting element 30 is a first light strip, the first light strip being arranged along the left-right direction of the cleaning section 10. This is advantageous for increasing the light-emitting area of ​​the first lighting element 30 and improving its illumination effect. At the same time, the first light strip, as the first lighting element 30, can ensure uniformity of light emission, thereby improving the illumination quality of the first lighting element 30, which is advantageous for illuminating dust and contaminant particles on the surface to be cleaned. This embodiment provides only one specific shape option for the first lighting element 30, but is not limited to it.

[0042] In some embodiments, see Fig.3, the passive cleaning device 100 comprises a light intensity sensing device 40 and a light intensity control module 50, wherein the light intensity sensing device 40 serves to detect the ambient light intensity; the light intensity control module 50 is connected to the light intensity sensing device 40 and the first lighting element 30 respectively and serves to adjust the light intensity of the first lighting element 30 according to the ambient light intensity detected by the light intensity sensing device 40.

[0043] In this embodiment, the cleaning device 100 detects the ambient light intensity by means of the light intensity sensing device 40. The light intensity sensing device 40 sends a light intensity signal to the light intensity control module 50, and the light intensity control module 50 adjusts the light intensity of the first lighting element 30 according to the light intensity signal detected by the light intensity sensing device 40.

[0044] The light intensity control module 50 can be electrically connected to the light intensity sensing device 40 and the first lighting element 30 via a wired or wireless connection, depending on the specific situation. Controlling the light intensity of the first lighting element 30 can include switching it on or off, adjusting its brightness, etc. In other words, the on / off function and brightness of the first lighting element 30 are adjusted according to the ambient light level to save power and energy. Of course, other embodiments may also include adjusting the color temperature of the first lighting element 30, etc., depending on the specific situation.

[0045] In some embodiments, see Fig.4, the passive cleaning device 100 comprises a triggering element 60 and a light intensity control module 50, wherein the triggering element 60 serves to detect a switching signal triggered by the user; the light intensity control module 50 is connected to the triggering element 60 and the first lighting element 30 respectively and serves to control the light intensity of the first lighting element 30 according to the switching signal detected by the triggering element 60.

[0046] In this embodiment, the cleaning device 100 detects a user-triggered switching signal via the triggering element 60, and the light intensity detection device 40 sends a switching signal to the light intensity control module 50. The light intensity control module 50 adjusts the light intensity of the first lighting element 30 according to the switching signal detected by the triggering element 60.

[0047] The light intensity control module 50 can be electrically connected to the triggering element 60 and the first lighting element 30 via a wired or wireless connection, depending on the specific situation. Controlling the light intensity of the first lighting element 30 can include switching it on or off, adjusting its brightness, etc. This means that switching it on / off and adjusting its brightness are based on the ambient light level to save power and energy. Other embodiments may also include adjusting the color temperature of the first lighting element 30, etc., depending on the specific situation.

[0048] For example, the trigger element 60 can be set as a control button, whereby the user can manually control the switching on or off of the first lighting element 30 or adjust the brightness of the first lighting element 30, etc., by pressing the control button.

[0049] In some embodiments, see Fig. 5, the cleaning device 100 further comprises a second lighting element 70, wherein the second lighting element 70 is arranged on the hand part 20 and / or on the cleaning section 10; the second lighting element 70 serves to emit a second light onto a local area to be cleaned in front of the cleaning device 100.

[0050] When cleaning the area to be cleaned, a good lighting effect for the area to be cleaned can be achieved by using the second light emitted by the second lighting element 70 to illuminate the area to be cleaned in front of the cleaning device 100, which makes it easier for the user to assess whether the area to be cleaned is clean in front of it, and thus to carry out targeted cleaning, which contributes to improving the efficiency of cleaning the area to be cleaned.

[0051] In this embodiment, the second lighting element 70 is used in combination with the first lighting element 30 to illuminate the area to be cleaned or the already cleaned area to be cleaned, so that the effect of the area to be cleaned before and after cleaning can be clearly seen in order to further clean the area to be cleaned and to further improve the cleaning efficiency and effect.

[0052] In some embodiments, the second illumination element 70 is arranged on the front of the cleaning section 10 and serves to emit a second light onto a local area to be cleaned in front of the cleaning device 100. Of course, in other embodiments, the second illumination element 70 can also be arranged on the left or right side of the cleaning section 10, as long as it can emit a second light onto the area to be cleaned in front of the cleaning device 100 in order to make dust and contaminant particles in the area to be cleaned visible, which is not limited by the present application.

[0053] In some embodiments, the second lighting element 70 comprises a second light bar, the second light bar being arranged along the left-right direction of the cleaning section 10. This is advantageous for increasing the light-emitting area of ​​the second lighting element 70 and improving its illumination effect. Simultaneously, the second light bar, as the second lighting element 70, can ensure uniformity of light emission, thereby improving the illumination quality of the second lighting element 70, which is advantageous for visualizing dust and contaminant particles on the surface to be cleaned. This embodiment provides only one specific shape option for the second lighting element 70, but is not limited to it.

[0054] In some embodiments, the height of the second lighting element 70 from the surface to be cleaned is greater than 0 mm and less than or equal to 6 mm; for example, the height of the second lighting element 70 from the surface to be cleaned is 1 mm, 3 mm, 4 mm, 6 mm, etc. In this embodiment, controlling the distance between the second lighting element 70 and the surface to be cleaned ensures that the second lighting element 70 can make dust and contaminant particles on the surface to be cleaned visible.

[0055] In some embodiments, the second lighting element 70 emits the second light obliquely downwards, thereby increasing the illumination area of ​​the second lighting element 70, which is advantageous for the user when cleaning the area to be cleaned.

[0056] In some embodiments, the emission direction of the central light beam of the second lighting element 70 is arranged at an acute angle to the left-right direction of the cleaning section 10, for example 45°, 50°, 55°, 60°, etc. The size of the acute angle is adjusted according to the actual situation in order to adapt the illumination area of ​​the second lighting element 70.

[0057] In some embodiments, the second lighting element 70 comprises a second laser lamp, wherein the second laser lamp emits a second light. This light is more focused. By illuminating the area to be cleaned with the second light, utilizing the high energy and brightness of the laser, fine particles and fine dust on the floor can be visualized. This makes it easier for the user to clearly see whether the cleaning has been successful, thus avoiding multiple cleaning passes, saving time and effort, and thereby improving cleaning efficiency and effectiveness.

[0058] Of course, the second lighting element 70 can also use an LED light in other embodiments, which is not limited by the embodiments of the present application.

[0059] In some embodiments, the second light is green light. Illuminating dust and contaminants with green light enhances the light-dark contrast, so that the shadows cast by the dust and contaminants stand out sharply against the surface being cleaned. This significantly improves the visibility of the dust, making it easier for the user to see it clearly and thus clean more effectively. At the same time, the green light is soft and uniform, providing the user with a more comfortable visual experience during cleaning.

[0060] In some embodiments, the wavelength of the second light lies between 532 nm and 556 nm; for example, the wavelength of the second light is 532 nm, 544 nm, 555 nm, or 556 nm. The second light in this wavelength range is green laser light, which has a bright beam and high resistance to stray light. Compared to white light with higher brightness, users are more sensitive to the second light with a wavelength between 532 nm and 556 nm, making it easier for the user to detect dust and contaminants on the surface to be cleaned and thus perform the cleaning.

[0061] The present application further provides a cleaning system, the cleaning system comprising the aforementioned passive cleaning device 100 and a base station, the base station comprising a docking port to which the cleaning device 100 can dock. The base station is intended for use in combination with the passive cleaning device 100. After the passive cleaning device 100 has cleaned the area to be cleaned, the resulting solid-liquid mixed waste, consisting of hair, wastewater, etc., is discharged into the base station. Furthermore, the base station can also be used, at least in part, for the maintenance of the cleaning section 10 of the passive cleaning device 100, such as for cleaning or replacing the cleaning section 10 of the passive cleaning device 100.For example, the base station can also charge the passive cleaning device 100, and / or the base station can also provide a docking port, etc., for the passive cleaning device 100. For example, the passive cleaning device 100 docks at the docking port of the base station during charging, docking, and waiting, and detaches from the docking port of the base station when performing cleaning tasks, such as mopping the floor. This shows only one embodiment, and specific embodiments include, but are not limited to, the following.

[0062] Since the cleaning system adopts all the technical solutions of all embodiments of the above-mentioned passive cleaning device 100, the cleaning system of the present utility model also has at least all the advantageous effects achieved by the technical solutions of the above-mentioned embodiments, which are not listed individually here.

[0063] The embodiments described in this utility model are merely examples to clearly illustrate the utility model and do not constitute a limitation of the embodiments of this utility model. General technical personnel may make other different forms of changes or modifications based on the above description. It is not possible here to list all embodiments exhaustively. Any obvious changes or variations resulting from the technical solutions of this utility model remain within the scope of protection of this utility model.

Claims

Passive cleaning device, characterized in that it comprises: a cleaning section, wherein the cleaning section serves to clean a surface to be cleaned; a handpiece, wherein the handpiece is connected to the cleaning section; a first lighting element, which is arranged on the cleaning section and / or on the handpiece, wherein the first lighting element serves to emit a first light towards the rear of the cleaning device, wherein the first light serves to illuminate at least a part of the already cleaned surface to be cleaned. Passive cleaning device according to claim 1, characterized in that the passive cleaning device is a floor cleaner, wherein the floor cleaner comprises a wiping element, wherein the wiping element forms at least a part of the cleaning section and the wiping element serves to clean the surface to be cleaned. Passive cleaning device according to claim 1, characterized in that the hand part comprises a handle section and a connecting section; wherein the handle section is connected to the cleaning section via the connecting section; wherein in at least one working position of the passive cleaning device the vertical distance between the handle section and the surface to be cleaned is more than 0.5 m. Passive cleaning device according to claim 1, characterized in that it comprises: a light intensity sensing device for sensing the ambient light intensity; a light intensity control module, wherein the light intensity control module is connected to the light intensity sensing device and the first lighting element respectively and serves to adjust the light intensity of the first lighting element according to the ambient light intensity detected by the light intensity sensing device. Passive cleaning device according to claim 1, characterized in that it comprises: a triggering element for detecting a switching signal triggered by the user; a light intensity control module, wherein the light intensity control module is connected to the triggering element and the first lighting element respectively and serves to control the light intensity of the first lighting element according to the switching signal detected by the triggering element. Passive cleaning device according to claim 1, characterized in that the first illumination element is arranged on the rear side of the cleaning section; and / or the first illumination element is arranged on the left side and / or the right side of the cleaning section; and / or the height of the first illumination element from the surface to be cleaned is greater than 0 mm and less than or equal to 6 mm; and / or the first illumination element emits the first light obliquely downwards; and / or the emission direction of the central light beam emitted by the first illumination element is arranged at an acute angle to the left-right direction of the cleaning section; and / or the first illumination element comprises a first laser lamp, wherein the first laser lamp emits the first light; and / or the first light is green light; and / or the wavelength of the first light is between 532 nm and 556 nm. Passive cleaning device according to claim 1, characterized in that the first lighting element is arranged on the back of the cleaning section; and / or the first lighting element is a first light bar, wherein the first light bar is arranged along the left-right direction of the cleaning section; and / or the first lighting element is an LED light. Passive cleaning device according to claim 1, characterized in that the first lighting element is arranged on the back of the hand part; and / or the first lighting element is an LED light. Passive cleaning device according to one of claims 1 to 8, characterized in that the cleaning device further comprises: a second lighting element, wherein the second lighting element is arranged on the hand part and / or on the cleaning section; wherein the second lighting element serves to emit a second light onto a local area to be cleaned in front of the cleaning device. Passive cleaning device according to claim 9, characterized in that the second lighting element is arranged on the front of the cleaning section; and / or the second lighting element comprises a second light bar, wherein the second light bar is arranged along the left-right direction of the cleaning section; and / or the second lighting element is an LED light. Passive cleaning device according to claim 9, characterized in that the height of the second lighting element from the surface to be cleaned is greater than 0 mm and less than or equal to 6 mm; and / or the second lighting element emits the second light obliquely downwards; and / or the emission direction of the central light beam of the second lighting element is arranged at an acute angle to the left-right direction of the cleaning section; and / or the second lighting element comprises a second laser lamp, wherein the second laser lamp emits the second light; and / or the second light is green light; and / or the wavelength of the second light is between 532 nm and 556 nm. Cleaning system, characterized in that the cleaning system comprises a passive cleaning device according to one of claims 1 to 11 and a base station, wherein the base station comprises a docking point, wherein the cleaning device can dock at the docking point.

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