Robot vacuum cleaner making disturbance due to air

FIELD: vacuum cleaning.

SUBSTANCE: robot vacuum cleaner can be used for cleaning surfaces from dirt and dust while automatic moving without using hands of user to give the direction of motion. Robot vacuum cleaner has case provided with sucking-in hole for pulling dirt and dust from surface to be cleaned in, wheel disposed at lower part of case, air circulation mechanism intended for filtering pollution from air which brings the pollution inside sucking-in hole to provide subsequent feeding of air jet being free from dirt and dust to the holes made close to sucking-in holes. Rotating brush is mounted close to suck-in hole which brush is made for wipe dirt and dust to help the pollution to be separated from the surface to be cleaned. To isolate area between surface to be cleaned and case of vacuum cleaner there is a sealing member provided which member protrudes from lower surface of case to make contact with surface to be cleaned. The member is made in form of skirt to embrace holes for jets and suck-in hole to prevent dissipation of pollution out which pollutions are separated by pressure of air jets from holes and brush. Air circulation mechanism has circulation pump disposed inside case of vacuum cleaner, tube for sucking air in which connects circulation pump with suck-in hole, filter disposed inside tube for sucking air in and tube for air jet which tube connects circulation pump with holes for air jets.

EFFECT: improved efficiency.

4 cl, 2 dwg

 

The present invention relates to a vacuum robot, and more specifically to a vacuum robot, creating a disturbance at the surface being cleaned under the action of a jet of air directed to the surface and disturbing brushes.

In principle, the robot pulls contamination, such as dust, from the surface to be cleaned, when it is automatically moved in a certain space, which occurs without giving it the hands of the user. The robot detects such obstacles as furniture, appliances, or a wall in a cleared space relative to its position by means of a remote sensor. The robot selectively drives the right motor-wheel and/or the left motor-wheel to automatically change its movement and run through this cleaning process in the cleaning space.

In this area known in the art, for example, from the patent EP 1097666, the robot, which includes a housing with a suction inlet for drawing dirt from the surface being cleaned, the wheel is placed in the lower part of the body, the mechanism for air circulation designed to filter out contaminants from bearing their air drawn in through the suction hole, and for subsequent filing in the form of a stream does not contain air pollution done to nomu near the suction inlet opening for air stream to separate the dirt from the surface being cleaned.

However, the known vacuum cleaner robot can not fully remove pollution, especially pollution, embedded in the carpet or stuck to the surface. This is especially irritating or even becomes dangerous if it remains small impurities, such as dust, dust mites or other allergens. Usually the cleaners robot determines that the cleaning process should be completed as soon as processed cleared space, and finish the cleaning process, even if there are minor contamination. This is because the suction force from the suction holes 15 are usually not large enough to fully remove the dirt that is embedded in the surface to be cleaned or stuck to it.

The present invention is designed to eliminate the aforementioned drawbacks. Accordingly, the objective of the present invention is to provide a vacuum robot, which can effectively remove dirt from the cleaning surface by providing two types of perturbations at the surface, including the movement of the brushes to extract the dirt from the surface being cleaned and the action of the jet of air, contributing to the removal of debris that is captured on the surface. The robot according to the present invention also provides a means for preventing scattering o the outside area of the suction holes in the dirt, which reported the outrage by brush or air.

To achieve the above objectives the robot according to the present invention includes a housing with a suction inlet for drawing dirt from the surface being cleaned, the wheel is placed in the lower part of the body, the mechanism for air circulation designed to filter out contaminants from carrier air pollution, is drawn through the suction hole, and for subsequent filing in the form of a stream does not contain air pollution to near the suction holes holes for jets of air to separate the dirt from the surface being cleaned, a rotary brush mounted near the suction holes and executed, to perform a sweeping impact on pollution to facilitate their separation from the surface being cleaned and sealing the element isolation zone between the cleaned surface and the vacuum cleaner housing and extending from the bottom surface of the housing of the vacuum cleaner for contact with the surface being cleaned, made in the form of skirts and covering the holes for the jets and the suction hole to prevent scattering outward pollution, the discharge pressure of the jets of air from the holes for the jets of air and brush.

Preferably the mechanism of air circulation keep the circulation pump, located inside the vacuum tube to suction air, connecting the circulation pump with a suction inlet, a filter located in the pipe for suction air, and a pipe for air jet, connecting the circulation pump with holes for air jet.

Preferably the holes for the air jets are located in the body of the vacuum cleaner robot in front of the suction opening.

Preferably the sealing element is made of elastically deformable material.

The above aims and distinctive features of the present invention will be better understood from the more detailed description of the preferred alternative implementation of the design according to the present invention with reference to the accompanying drawings, on which:

Figure 1 - schematic lateral side view, in section, showing the robot according to a preferred variant implementation of the present invention;

figure 2 is a bottom view showing the robot with figure 1.

As shown in figures 1 and 2, the robot according to the present invention includes a housing 20 and in addition to the known components of a conventional vacuum cleaners robot includes a mechanism 30 for creating a circulation of air located inside the housing 20, and the sealing element 40.

The body 20 of the vacuum cleaner is automatically moved over the surface p is stranstvo to perform the cleaning process. To solve this problem, the body 20 of the vacuum cleaner has a large number of wheels 21, which are located in its lower part, and the suction hole 23 for retracting through it of dirt and dust from the surface being cleaned together with air. The body 20 of the vacuum cleaner is also provided with a hole 25 for the jet of air or a group of such holes located near the suction holes 23 on the lower side of the housing. The hole or holes 25 for jets of air are designed to enhance the cleaning process through the provision of disturbances created by the air from the surface being cleaned, to facilitate the separation of dirt, so they could be easily drawn through the suction hole.

The suction hole 23 is also provided with a rotating brush 27, which is put into rotation by the motor 26. Preferably, in the zone of the suction brush 27 had a design in which a large number of brushes would be connected to the shaft of the flexible wire. When the wire shaft is rotated by motor 26 in the zone of the suction brush 27 sweeps away dirt from the surface being cleaned to create additional disturbances to facilitate the separation of the impurities. Sweeping action through the brush in combination with the action of the air flow provides better cleaning than the number of the ka only suction power.

A hole 25 for air jet is located near the suction opening 23, preferably in front of the suction opening 23 in the front direction from the body 20 of the vacuum cleaner. Preferably, the holes 25 for air jet has performed many and in the form of nozzles. The cleaned air is directed in a jet to the surface being cleaned through the opening 25, to facilitate the separation of the contaminants from the cleaning surface and to diffuse pollution in the air near the suction holes. The action of air stream provides the necessary perturbation of the surface being cleaned. In combination with a brush in the area of the suction hole for air jet provides two forms of disturbance compared with only one suction inlet. Incremental perturbation promotes the separation of the embedded particles and improves the separation of the impurities adhering to the surface.

Autonomous mechanism 30 for air circulation filters out impurities from the air which is drawn through the suction hole 23, and then delivers the cleaned air jet to the hole 25. The mechanism 30 for air circulation includes a circulation pump 31 that is located inside the housing 30 of the vacuum pipe 33 for suction air, connecting the circulation pump 31 with the suction inlet 23, a filter 35, located the pipe 33 for suction of air and is designed to filter out impurities from intake air, and the pipe 37 to the air stream, connecting the circulation pump 31 with a hole 25. Accordingly, air drawn through the suction hole 23, circulates through a pipe 33 for suction of air, the filter 35, the circulation pump 31 and the pipe 37 to the air stream, after which comes in the form of a jet through the opening 25.

Due to the disturbance created the openings for the jet of air and a brush in the suction zone, remove the dirt near the suction holes will be separated and scattered around before they go in the suction hole. In order to keep contamination, sealing element 40 surrounds the area of the suction holes to seal the space between the cleaned surface and the housing 30 to prevent scattering outward pollution, the discharge air coming from the hole 25 to the air jet. Sealing element 40 protrudes from the bottom surface of the housing 30 of the vacuum cleaner for contact with the surface being cleaned, covering the periphery of the suction holes 23 and openings 25 for the air jet. Preferably, the sealing element 40 was made of elastically deformable material, for example of rubber or other material having the properties of the elastomer, to match the sealing zone. When moving the enclosure 30 pylea is a, sealing element 40 remains in contact with the surface being cleaned, to keep in a given space pollution, separated from the surface being cleaned, thereby providing the possibility of retracting all contaminants through the suction hole 23. Preferably, the sealing element 40 has been attached to the form of the skirt.

In the case of a vacuum robot according to the present invention, which is described above, design for re-submission of the air drawn into the jet provides the ability to effectively remove dirt and dust from the surface being cleaned. In addition, the sealing element 40 prevents the scattering outward discharge of contamination and re-contamination of the cleaned surface, which leads to the effective performance of the cleaning process.

Although described preferred embodiments of the present invention, by qualified professionals in this industry will be clear that this invention should not be limited to the described preferred option and within the essence and scope of the present invention defined by the attached claims, can be made a variety of changes and modifications.

1. The robot, comprising a housing with a suction inlet for drawing dirt from the surface being cleaned, the wheel is placed in the lower part of the body, the mechanism for air circulation designed to filter out contaminants from carrier air pollution, is drawn through the suction hole, and for subsequent filing in the form of a stream does not contain air pollution to near the suction holes holes for jets of air to separate the dirt from the surface being cleaned, a rotary brush mounted near the suction holes and executed, to perform a sweeping impact on pollution to facilitate their separation from the surface being cleaned, and the sealing element isolation zone between the cleaned surface and the vacuum cleaner housing and extending from the bottom surface of the housing of the vacuum cleaner for contact with the surface being cleaned, made in the form of skirts and covering the holes for the jets and the suction hole to prevent scattering outward pollution, the discharge pressure of the jets of air from the holes for the jets of air and brush.

2. The robot according to claim 1, in which the mechanism of air circulation includes a circulation pump, located inside the vacuum tube to suction air, connecting the circulation pump with a suction inlet, a filter located in the pipe for suction air, and a pipe for air jet connecting the circulation pump from what Artemi for air jets.

3. The robot according to claim 1, in which holes for air jets are located in the body of the vacuum cleaner robot in front of the suction opening.

4. The robot according to claim 1, in which the sealing element is made of providermessage material.



 

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16 cl, 6 dwg

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