CN215914431U

CN215914431U - Sterilization component and cleaning robot

Info

Publication number: CN215914431U
Application number: CN202121353964.6U
Authority: CN
Inventors: 范鹤龄; 肖玉明
Original assignee: Shenzhen TCL New Technology Co Ltd
Current assignee: Shenzhen TCL New Technology Co Ltd
Priority date: 2021-06-17
Filing date: 2021-06-17
Publication date: 2022-03-01
Anticipated expiration: 2031-06-17
Also published as: WO2022262126A1

Abstract

The application discloses subassembly and cleaning machines people disinfect. A sterilization assembly is applied to a cleaning robot, the cleaning robot is used for cleaning the ground, the sterilization assembly comprises a substrate, a light-emitting element and a support, and the substrate is made of a heat conduction material. The light-emitting element is used for generating sterilizing light and is connected with the substrate. The support is connected with the light-emitting element, a plurality of lamp slots are arranged on the support, and the light-emitting element is arranged in the lamp slots. Overheating of the light emitting element can be avoided.

Description

Sterilization component and cleaning robot

Technical Field

The application belongs to the household appliance field, and particularly relates to a sterilization assembly and a cleaning robot.

Background

The sweeping robot can sweep dust and hair on the ground. Through install the subassembly that disinfects additional on sweeping floor robot's chassis, can kill bacterium, virus and the mite on the floor, further promote clean effect to avoid the old person and the child that immunity is lower at home to be sick because of bacterium or virus infection. The floor sweeping robot in the market usually installs the ultraviolet light source additional on the chassis and accomplishes further cleaning operation, however, the ultraviolet light is higher at the in-process temperature that produces, and the phenomenon is overheated easily appears in the emergence component of ultraviolet light, and this has influenced the life of ultraviolet light source and the life of other subassemblies in the complete machine.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a sterilization assembly and a cleaning robot, which can avoid overheating of a light-emitting element.

In a first aspect, an embodiment of the present application provides a sterilization assembly for a cleaning robot, the cleaning robot is used for cleaning a floor, the sterilization assembly includes:

the substrate is made of a heat conduction material;

a light emitting element for generating germicidal light, the light emitting element being connected to the substrate;

the support is connected with the light-emitting element, a plurality of lamp grooves are formed in the support, and the light-emitting element is arranged in the lamp grooves.

Optionally, the bracket abuts against the substrate, and the bracket is made of a heat conducting material.

Optionally, the bracket includes a main body portion and a support portion connected to the main body portion, the support portion encloses the lamp slot, and the support portion abuts against the substrate.

Optionally, the main body portion is provided with a first opening, the support portion is connected with an edge of the first opening, a free end of the support portion is surrounded to form a second opening, the second opening forms an opening of the light trough, and a size of the first opening is larger than a size of the second opening.

Optionally, a reflective layer is disposed on a surface of the support portion facing the light emitting element.

Optionally, a printed circuit is disposed on the substrate, and the light emitting element is mounted on the substrate by a surface mount technology, so that the light emitting element is connected to the printed circuit.

Optionally, the sterilizing component further comprises a lampshade, and the lampshade is arranged on the sterilizing component.

In a second aspect, an embodiment of the present application provides a cleaning robot, including:

the body is provided with a mounting groove;

the sterilization component is arranged in the mounting groove.

Optionally, the support includes a connecting portion, the connecting portion is connected with the main body portion, a clamping groove is formed in the body, and the connecting portion is connected with the clamping groove in a clamped mode.

Optionally, the sterilization device further comprises a main board, wherein the main board is electrically connected with the sterilization component so as to control the sterilization component through the main board.

In the embodiment of the application, the light-emitting element is used for generating light capable of sterilizing, the light-emitting element is connected with the substrate, the support is provided with the plurality of lamp grooves, and the light-emitting element is arranged in the lamp grooves so as to enable the support to be connected with the light-emitting element. The light-emitting element is connected with the substrate, the substrate is made of a heat conducting material, the substrate can help the light-emitting element to dissipate heat, heat accumulation generated by the light-emitting element in the working process is avoided, and therefore the overheating phenomenon of the light-emitting element is avoided.

Drawings

The technical solutions and advantages of the present application will become apparent from the following detailed description of specific embodiments of the present application when taken in conjunction with the accompanying drawings.

Fig. 1 is a schematic structural diagram of a cleaning robot provided in an embodiment of the present application.

Fig. 2 is an exploded view of the cleaning robot of fig. 1.

Fig. 3 is a schematic structural diagram of a sterilization assembly according to an embodiment of the present application.

Fig. 4 is an exploded view of the sterilization assembly of fig. 3.

Fig. 5 is a cross-sectional view of the stent of fig. 3.

Fig. 6 is a schematic view of a part of the sterilization assembly shown in fig. 3.

Fig. 7 is a schematic structural diagram of the lamp shade in fig. 2.

Fig. 8 is a partially enlarged view of B in fig. 2.

Fig. 9 is a sectional view of the cleaning robot of fig. 1 taken along a-a direction.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all 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 application.

The sweeping robot is also called an automatic sweeper, intelligent dust collection, a robot dust collector and the like, and is one of intelligent household appliances. The user can control the floor sweeping robot to automatically complete floor sweeping, dust collection, floor mopping and other floor cleaning works in a room by selecting different cleaning modes. Generally, the garbage storage box can be used for absorbing and storing impurities on the ground into the garbage storage box in a brushing and vacuum mode, so that the function of cleaning the ground is achieved. The existing sweeping robot has a single function and mostly has the function of sweeping ground garbage. However, bacteria and viruses are very easy to attach to the ground, and the traditional sweeping robot cannot kill the bacteria and the viruses, so that old people and children with low immunity in home are easily ill due to bacterial or viral infection.

Please refer to fig. 1, and fig. 1 is a schematic structural diagram of a cleaning robot according to an embodiment of the present disclosure. The cleaning robot 100 includes a body 1, a motor, a separator, a cyclone cone, a floor brush, wheels, and the like. Wherein wheels are installed on the lower surface of the body 1, and the wheels are rotated to move the cleaning robot 100. It is understood that the lower surface of the body 1 refers to a surface of the body 1 facing the floor, and fig. 1 illustrates the lower surface of the cleaning robot 100. The lower surface of the body 1 is also provided with an accommodating cavity for installing the floor brush. The separator is installed in body 1 top, and it is provided with the installation cavity that supplies the installation of whirlwind awl, is provided with the dust absorption passageway that will hold chamber and installation cavity intercommunication on the body 1. When the cleaning robot 100 removes dust, paper dust and other impurities on the ground are brushed up by the floor brush, the motor drives air to flow so that the dust and the paper dust enter the installation cavity, and the cyclone cone separates the air entering the installation cavity from the dust, the paper dust and other impurities by the centrifugal force, so that the dust, the paper dust and other impurities are finally collected in the separator.

In order to further kill the bacteria, viruses, mites and other infectious agents attached to the bottom plate, the cleaning robot 100 according to the embodiment of the present disclosure further includes a sterilization assembly 2 and a main board (not shown). Referring to fig. 2, fig. 2 is an exploded view of the cleaning robot in fig. 1. The cleaning robot 100 is provided with a mounting groove 3 on the body 1, the sterilization component 2 is arranged in the mounting groove 3, and the sterilization component 2 can kill bacteria, viruses, mites and other infectious sources on the ground during operation. The mainboard sets up in body 1, and the mainboard is connected with the subassembly 2 electricity that disinfects to control the subassembly 2 that disinfects through the mainboard. It should be noted that the cleaning robot 100 has a plurality of operation modes, for example, a sweeping mode or a mopping mode may be performed for a floor, a dust suction mode may be performed for a carpet, or a combination of the plurality of modes may be used in a cleaning operation. It can be understood that the cleaning robot 100 can control the sterilization assembly 2 to perform the sterilization operation alone, and also can control the sterilization assembly 2 to cooperate with other assemblies to perform the sterilization operation during the sweeping, mopping or dust collection process, for example, the cleaning robot 100 can perform the sterilization and sweeping simultaneously.

Referring to fig. 3 and 4, fig. 3 is a schematic structural diagram of a sterilization assembly according to an embodiment of the present application, and fig. 4 is a schematic structural diagram of an explosion of the sterilization assembly in fig. 3. The sterilization assembly 2 includes a substrate 22, a light emitting device 21 and a bracket 23, wherein the light emitting device 21 is connected to the substrate 22, a plurality of light grooves 23a are formed in the bracket 23, and the light emitting device 21 is disposed in the light grooves 23a so that the bracket 23 is connected to the light emitting device 21. It should be noted that, the temperature of the light emitting element 21 is high during the operation process, and the light emitting element 21 is prone to overheat, which affects the service life of the light emitting element 21 and the service life of other components inside the whole machine. The material of the substrate 22 of the sterilization assembly 2 in the embodiment of the present application is a heat conductive material, which can help the light emitting element 21 to dissipate heat in time, and avoid the heat accumulation generated by the light emitting element 21 in the working process, thereby avoiding the overheating phenomenon of the light emitting element 21.

The light emitting element 21 is used for generating sterilization light, and it can be understood that light such as ultraviolet light, infrared light, and the like all have a better sterilization function, and the light emitting element 21 of the sterilization assembly in the embodiment of the present application may adopt an ultraviolet light generator, an infrared light generator, or other light sources having a sterilization function, which is not limited herein. The following description will be made by taking ultraviolet light as an example.

The light emitting element 21 is connected to the substrate 22, and the light emitting element 21 is also connected to the holder 23. The light emitting element 21, the substrate 22, and the holder 23 are integrally connected. The light emitting element 21 may be clamped with the lamp groove 23a, or may be bonded with a sidewall of the lamp groove 23a, which is not limited herein.

Referring to fig. 5, fig. 5 is a cross-sectional view of the bracket of fig. 3. The holder 23 may be connected to the light emitting element 21 and may be provided in contact with the substrate 22, and the holder 23 may be made of a heat conductive material so that the holder 23 has a heat radiation function. The holder 23 includes a main body 231, and the main body 231 may directly abut against the substrate 22. The holder 23 may be provided with a support portion 232 connected to the body 231, the support portion 232 may surround the lamp groove 23a, and the support portion 232 may directly contact the substrate 22. It can be understood that the abutting position of the supporting portion 232 and the substrate 22 is also the clamping position of the light emitting element 21 and the lamp slot 23a, and the supporting portion 232 is disposed at the periphery of the light emitting element 21. The light emitting element 21 generates heat during operation, and the heat may be conducted through the substrate 22 or through the support portion 232. The light emitting device 21 can dissipate heat through the substrate 22 and the supporting portion 232, so as to enhance the heat dissipation effect and avoid the overheating of the light emitting device 21. Of course, the main body 231 and the support 232 may both be in contact with the substrate 22 so that the main body 231, the support 232, and the substrate 22 all participate in the heat dissipation process.

The main body 231 is provided with a first opening 231a, the supporting portion 232 is connected with the edge of the first opening 231a, the free end of the supporting portion 232 is surrounded to form a second opening 232a, the second opening 232a forms an opening of the lamp groove 23a, and the light emitting element 21 is disposed in the second opening 232 a. The size of the first opening 231a is larger than that of the second opening 232a so that the lamp groove 23a is "trumpet-shaped", that is, the second opening 232a close to the light emitting element 21 is smaller so that the light emitting element 21 is connected with the supporting portion 232, and the first opening 231a far from the light emitting element 21 is larger so that the irradiation range of the ultraviolet light is enlarged. It can be understood that, the design of the lamp trough 23a needs to avoid blocking the sterilizing light as much as possible, the sterilizing light such as ultraviolet has stronger energy, if the intelligent robot cannot be smoothly ejected, the sterilizing light will irradiate onto other elements inside the cleaning robot 100, and the other elements absorb the ultraviolet light, and convert the energy in the ultraviolet light into heat energy, further causing the problem of overheating inside the cleaning robot 100. Therefore, the "trumpet-shaped" design of the lamp groove 23a does not block the external irradiation of the ultraviolet light, and the heating problem of the cleaning robot 100 can be avoided to a certain extent.

A reflective layer 233 is disposed on a surface of the support 232 facing the light emitting element 21, and the reflective layer 233 can reflect ultraviolet light and functions like a "condenser lens". The arrangement of the reflective layer 233 can enable ultraviolet light to be emitted out of the body 1 as far as possible, so that the irradiation of the ultraviolet light to other elements in the body 1 is reduced, and the internal overheating of the body 1 is avoided. On one hand, the reflection layer 233 can emit the ultraviolet light out of the body 1 as much as possible, so that the ultraviolet light contacts the ground more, and the utilization rate of the ultraviolet light energy is increased. On the other hand, the reflective layer 233 may also prevent excessive heat from being collected inside the cleaning robot 100.

The light reflecting layer 233 can be added with photocatalyst, which can generate strong degradation function under the action of ultraviolet light and visible light, effectively degrade toxic and harmful substances in the air, kill various bacteria and microorganisms, and further decompose and harmlessly treat toxins released by bacteria or fungi. It is understood that the material of the supporting portion 232 may be a reflective material. Of course, the supporting portion 232 may not be made of a reflective material, and the reflective layer 233 may be plated or sprayed only on the surface of the supporting portion 232 facing the light emitting element 21, for example, a plated UV treatment process may be used, and the processing process is not limited herein.

Referring to fig. 6, fig. 6 is a schematic view of a portion of the sterilization assembly shown in fig. 3. Illustratively, the light emitting element 21 may be a UV lamp patch. Accordingly, a printed circuit 24 may be disposed on the substrate 22, that is, the light emitting element 21 is connected to a PCB board having a heat conductive material as a base material. Illustratively, the UV lamp patches are mounted on the substrate 22 by surface mount technology, and then the UV lamp patches are fixedly connected to the printed circuit 24 by flow soldering or dip soldering, and the connection manner between the light-emitting elements 21 and the substrate 22 is not limited herein. The main board is electrically connected to the printed circuit 24, and the main board controls the light emitting element 21 through the printed circuit 24. It should be noted that the substrate 22 may not be provided with the printed circuit 24, and correspondingly, the light emitting element 21 may also be an ultraviolet lamp bead, and the main board is electrically connected to the ultraviolet lamp bead to supply power to the ultraviolet lamp bead and control the ultraviolet lamp bead.

The substrate 22 can be made of a metal material with good thermal conductivity, for example, the substrate 22 can be made of an aluminum material, and the aluminum material has a heat dissipation function, and meanwhile, the aluminum material has a small density, so that the weight of the whole machine is reduced.

The sterilization assembly 2 may include one or more light emitting elements 21, and the plurality of light emitting elements 21 are disposed on the substrate 22 at intervals. In addition, one or more lamp grooves 23a may be provided in the holder 23. When the sterilization assembly 2 includes a plurality of light emitting elements 21 arranged at intervals, a plurality of light troughs 23a may be arranged at corresponding positions on the bracket 23, so that the light emitting elements 21 correspond to the light troughs 23a one-to-one. It will be appreciated that only one large light trough 23a may be provided on the support 23 to accommodate multiple light emitting elements 21 simultaneously.

Referring to fig. 7, fig. 7 is a schematic structural diagram of the lamp housing in fig. 2. Cleaning robot 100 still includes lamp shade 235, and lamp shade 235 covers and is located sterilization assembly 2, can prevent effectively that the water stain on the bottom plate from spattering sterilization assembly 2 on, avoids leading to light emitting component 21 to become invalid because of intaking. When ultraviolet light is used as the sterilizing light, the plastic part is easily aged under the irradiation of the ultraviolet light, and the plastic part is yellow and brittle after being used for a period of time. Therefore, the material of the lamp shade 235 needs to avoid selecting plastic parts as much as possible, and for example, quartz can be selected as the material of the lamp shade 235, so that the phenomenon of yellowing and brittleness can be effectively avoided.

Referring to fig. 4 and 8 in combination, fig. 8 is a partially enlarged view of B in fig. 2. The bracket 23 may further include a connecting portion 234, one end of the connecting portion 234 is connected to the main body portion 231, a clamping groove 4 is formed in the body 1, and the connecting portion 234 is clamped to the clamping groove 4, so that the sterilization assembly 2 is connected to the body 1. Illustratively, the connecting portion 234 may be a snap, which is snapped into the card slot 4. The connecting portion 234 may also be a spring plate, which is connected to the slot 4. The specific structure of the connecting portion 234 and the connection form of the connecting portion 234 and the body 1 are not limited herein.

Referring to fig. 9, fig. 9 is a cross-sectional view of the cleaning robot of fig. 1 along the direction a-a. When the cleaning robot 100 is assembled, the substrate 22 on which the light emitting element 21 is mounted may be connected to the holder 23, and the sterilization unit 2 may be mounted. Then the connection part 234 of the bracket 23 is snapped in the mounting groove 3 to connect the sterilizing assembly 2 with the main body. The lamp shade 235 is adhered to the main body by glue 25, so that the lamp shade 235 is covered on the sterilizing component 2. Illustratively, the glue 25 may be UV glue, which can be cured under the irradiation of ultraviolet light, so as to reduce the possibility of the lamp shade 235 falling off during the use process.

The cleaning robot 100 may further include a fan and a heat dissipation hole, and the fan may circulate air inside the cleaning robot 100 to remove heat generated by the related components during operation. The heat dissipation holes may be formed in the body 1 of the cleaning robot 100, and the fan and the heat dissipation holes are engaged with each other to provide the cleaning robot 100 with a good heat dissipation effect.

It is understood that the cleaning robot 100 may be collided or overturned during operation. The ultraviolet light with higher intensity has better cleaning effect, but has certain damage to the skin of the human body. Therefore, the operation of the sterilization unit 2 should be stopped in time when these emergency situations occur. Various types of sensors may be installed on the cleaning robot 100, and the main board may determine the state during the cleaning process according to the sensing information provided by the sensors, thereby controlling how the light emitting elements 21 should operate. Of course, the light emitting element 21 may be in different operating states by directly using a sensor in combination with a switch assembly. The sensor may include various types such as, but not limited to, a gravity sensing component, a distance measuring sensing component, a light receiving component, and the like. For example, the sensor is a gravity sensing device, and the main board may determine whether the main body 1 of the cleaning robot 100 is turned over according to a gravity sensing value provided by the gravity sensing device. When the cleaning robot 100 is in normal operation, the sensing information returned by the sensor only changes in the plane axial direction (X-Y axis), and when the cleaning robot 100 is bumped, overturned, or picked up, the sensing information changed in the longitudinal axial direction (Z axis) can be obtained from the sensing values returned by the sensor. When the main board detects the change of the longitudinal axis, it is determined that the cleaning robot 100 meets the condition of turning the main body 1, and the light emitting device 21 is instructed to stop operating.

For example, the sensor may also be a distance measurement sensing component, and the main board determines whether the main body 1 is turned over according to a distance measurement value provided by the distance measurement sensing component. The distance measuring sensing assembly can be realized by adopting distance measuring schemes such as infrared rays, ultrasonic waves, electric waves and the like, and can be arranged at the positions of the lower surface, the side surface and the like of the body 1, which can face the same direction with the bottom surface, so as to detect the distance between the body 1 and the ground. Therefore, when the cleaning robot 100 is bumped, overturned or picked up by a user, the distance measurement sensing value of the distance measurement sensing component is changed, and when the main board detects that the distance measurement sensing value is greater than a preset value (for example, 3 cm, the numerical value is not limited thereto), it is determined that the cleaning robot 100 meets the condition of overturning the main body 1, and the light emitting element 21 is instructed to stop operating.

Ultraviolet rays with the wavelength of 200-300 nm have the bactericidal capacity, wherein the bactericidal capacity of 260nm is the strongest. Under the condition of a certain wavelength, the sterilization efficiency of the ultraviolet rays is in direct proportion to the product of the intensity and the time, and the sterilization effect of the cleaning device is also related to the distance from the floor to the light source. The user may select the degree of cleaning, for example deep cleaning may correspond to high germicidal intensity. The cleaning robot 100 may control the light intensity, the working period or the irradiation angle of the sterilization assembly 2 corresponding to different cleaning degrees according to the determination of the operation states of the distance measuring sensing assembly, the wheels, the driving device, etc. to adjust the sterilization intensity of the sterilization assembly 2 in accordance with the walking speed of the cleaning robot 100. Illustratively, a faster speed of the driving unit indicates a faster operation speed of the cleaning robot 100, and accordingly, the main board may control the long light emitting elements 21 to operate at a higher intensity or extend the use time of the light emitting elements 21 to ensure that sufficient ultraviolet light is irradiated on the traveling path.

In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.

The sterilization assembly and the cleaning robot provided by the embodiments of the present application are described in detail above, and the principles and embodiments of the present application are explained herein by applying specific examples, and the description of the embodiments above is only used to help understand the method and the core idea of the present application; meanwhile, for those skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.

Claims

1. A sterilization assembly for use with a cleaning robot for cleaning a floor surface, the sterilization assembly comprising:

the substrate is made of a heat conduction material;

2. The sterilization assembly of claim 1, wherein the bracket abuts the substrate, and the bracket is made of a thermally conductive material.

3. The sterilization assembly of claim 2, wherein the bracket comprises a main body portion and a support portion connected to the main body portion, the support portion encloses the light trough, and the support portion abuts against the base plate.

4. The sterilization assembly as claimed in claim 3, wherein the main body has a first opening, the support portion is connected to an edge of the first opening, a second opening is defined by a free end of the support portion, the second opening defines an opening of the light trough, and the first opening is larger than the second opening.

5. The sterilization assembly according to claim 3 or 4, wherein a reflective layer is disposed on a surface of the support portion facing the light emitting element.

6. The sterilization assembly according to any one of claims 1 to 4, wherein a printed circuit is provided on the substrate, and the light emitting element is mounted on the substrate by surface mount technology so as to be connected with the printed circuit.

7. The sterilization assembly of any one of claims 1 to 4, further comprising a lamp cover disposed over the sterilization assembly.

8. A cleaning robot, characterized by comprising:

the body is provided with a mounting groove;

a sterilization assembly as defined in any one of claims 1 to 7, disposed within the mounting groove.

9. The cleaning robot as claimed in claim 8, wherein when the holder includes a main body, the holder further includes a connecting portion connected to the main body, the main body is provided with a slot, and the connecting portion is engaged with the slot.

10. The cleaning robot as claimed in claim 8, further comprising a main board electrically connected to the sterilizing component to control the sterilizing component through the main board.