KR20140027682A

KR20140027682A - Vacuum cleaner

Info

Publication number: KR20140027682A
Application number: KR1020120093543A
Authority: KR
Inventors: 김지호; 차영문
Original assignee: 동강엠텍(주)
Priority date: 2012-08-27
Filing date: 2012-08-27
Publication date: 2014-03-07

Abstract

The present invention relates to a vacuum cleaner and, more specifically, a manual vacuum cleaner (including a rod connected to a main with an expansion pipe) or an automatic (robot) vacuum cleaner cleaning by sucking dust with a suction force of a motor. The present invention provides an advanced suction air process structure of the vacuum cleaner and allows a user to clean a corner of a wall. The vacuum cleaner can minimize the rotation of a main body and traffic lines according to the rotation when facing an obstacle or the wall. The present invention obtains an effect of improving cleaning properties capable of more perfectly performing the cleaning of the corner of the wall than at the time when the corner of the wall is performed in a round shape as the vacuum cleaner main body (101) is performed in a square shape.

Description

Vacuum cleaner {VACUUM CLEANER}

The present invention relates to a vacuum cleaner, and more particularly, to an automatic (robot) vacuum cleaner or a manual vacuum cleaner (with a bag connected through the main body and an expansion tube) that sucks and cleans dust and dust using the suction power of an electric motor. In particular, the present invention relates to a vacuum cleaner which provides a new concept of suction air treatment structure of a vacuum cleaner, and which can clean the edges of a wall, and which minimizes the rotation of the main body and consequent movement lines when facing a wall or an obstacle. .

In general, a vacuum cleaner generally refers to a mechanism for sucking and cleaning dust and dust by using suction power of an electric motor. Such a vacuum cleaner has a structure in which a fan is rotated by an electric motor of 20,000 rotations or more per minute to make a vacuum, and the suctioned air, dust, and dust are separated by a filter to discharge only air.

Looking at the prior art of such a vacuum cleaner, first, a handle having a handle is connected to the suction inlet provided with a brush, the bellows tube is bent freely bent at the end of the bag is a typical manual vacuum cleaner connected to the body as an example The next is an example of a self-moving robot cleaner that is in full swing in recent years.

The robot cleaner can be divided into two types.

One is the “Rotating Brush Cleaning Method,” which is patented by iRobot of the United States, also known as the “Carpet Cleaning Method.” The cleaning method was patented by iRobot of the United States in 2002 in the United States and Japan. However, since patents are not registered in countries such as Korea and China, companies in Korea and China have imitated or partially modified the cleaning structure and commercialized them, and they are sold in countries where patents are not registered, such as Korea.

The second one is 'floor close vacuum cleaning', also known as 'floor cleaning for floorboards'. This cleaning method was applied to 'Mami Robot' as the cleaning structure of the robot cleaner that applied for patent in 2005 from 'Kyungmin Mechatronics' and registered domestic patent and PCT international patent in 2006.

The cleaning method of the rotary brush has a suction structure along with a structure for cleaning the foreign substances by attaching the rotary brush to the bottom surface, but the function of sweeping with the rotary brush is a main function, and the suction function is an auxiliary function for cleaning the vacuum suction function. There is a problem that does not have a big impact.

In other words, the rotary brush cleaning method is effective to clean the foreign matter stuck to the carpet and moss by sweeping the foreign material by rotating the brush, while cleaning on a flat floor surface (floor plate, flooring, Korean living environment, etc.) by vacuum suction There is a problem that the effect is extremely low.

On the other hand, the conventional bottom surface close vacuum suction system was developed to overcome the disadvantages of the cleaning method of the rotary brush, a domestic and international patent registered in Kyungmin Mechatronics Co., Ltd. currently adopted in 'Mami Robot' for practical use One technique.

The technology started from the revolutionary idea of implementing the existing vacuum cleaner cleaning method on the robot cleaner, and it is designed so that the air inlet is in close contact with the bottom surface by giving up and down clearance so that the inlet part is always in close contact with the cleaning floor. have.

As such, the suction port is in close contact with the bottom and the edge of the suction port creates a small gap, and the air flow becomes a bottleneck effect, and the air flowing through the gap is strong and accelerated, so that dust and hair on the floor can be effectively sucked to the floor. While it is possible to effectively suck the dust and the like attached to the hair, there is a problem that it is impossible to inhale large trash, such as toilet paper, because the bottom and the cleaning suction port is in close contact.

In addition, the robot cleaner 1 of the conventional rotary brush method and the bottom contact vacuum suction method as described above, the main body is made of a circular shape, as shown in the accompanying drawings, Figure 1, the corner portion, such as the wall edge portion is cleaned There is an impossible problem.

In consideration of such a problem, when the main body of the robot cleaner 1 is applied in a quadrangle, as shown in FIG. 2, when the robot cleaner 1 hits a wall surface in progress, the robot cleaner 1 rotates to move in a different direction. After moving away from the wall at the time of (direction change), it is necessary to change the direction and stick to the wall again and move, and thus, there is a problem that the cleaning time delay and power consumption are generated due to the complexity of the algorithm for the direction change.

In addition, the close-up vacuum suction type robot cleaner has a problem that the resistance to the driving occurs because the vacuum suction is made in close contact with the floor that needs to be cleaned, to solve this problem, the power associated with the driving must be increased, accordingly There is a problem that takes a lot of load on the motor to provide.

The present invention was created to solve the problems of the prior art as described above, by using a suction force of the electric motor to suck and clean the dust and dust (automatic) vacuum cleaner to manual (with a bag connected through the body and the expansion tube having a Vacuum Cleaner In particular, it provides a new concept of suction air treatment structure of automatic robot vacuum cleaner, and can clean the edges of the wall, and can minimize the rotation of the main body and the movement of the moving line when facing the wall or obstacle. The purpose is to provide.

The present invention for achieving the above object in the vacuum cleaner 100 for sucking and cleaning dust and dust by using the suction force of the electric motor, when the key button is input, the vacuum suction and according to the preset stored program or manual operation A controller 110 for outputting a related control signal; A backlight unit 120 driven by a control signal of the controller 110 to provide a vacuum state; A suction unit 130 which sucks dust and foreign substances together with the outside air by the vacuum state of the bag 120; An accumulation unit 140 for storing dust and foreign matter sucked by the suction unit 130; After suctioning from the suction unit 130, the filtered air is guided to the bottom surface of the vacuum cleaning body 101 while passing through the filter (F) between the integration unit 140 and the bag unit 120 to increase the floating pressure. It characterized in that it comprises a; surface close attenuator 150 to provide.

In addition, the present invention further comprises a compression unit 160 for increasing the injection force by compressing the air guided by the back contact portion 120 to the ground adhesion attenuating unit 150, characterized in that it further comprises.

In addition, the present invention is a sensor unit 170 for collecting obstacle information of the four directions while driving to provide a digital signal; A position sensor 200 which collects the current position signal and provides it as a digital signal; The driving control unit for receiving the obstacle information of the sensor unit 170 to provide a predetermined direction change signal, and receives the current position information of the position sensor 200 and provides a driving signal along the preset traveling copper line ( 180); Traveling unit for changing the driving angle without the rotational motion according to the direction change of the vacuum cleaning base 101 according to the control signal of the running control unit 180, and provides a driving force for the floor surface requiring cleaning while rotating forward / reverse Characterized in further comprising 190.

According to the present invention by the above-described problem solving means, the ground adhesion attenuating unit 150 is sucked by the suction unit 130, the air filtered while passing through the filter (F) between the integration unit 140 and the bag portion 120 By injecting the jet into the bottom surface of the vacuum cleaning body 101 to provide a floating pressure, thereby preventing air containing fine dust from contaminating the indoor air, while floating from the bottom surface requiring cleaning rather than completely floating. By reducing the floor contact force by the pressure, the running resistance is reduced and the traveling portion 190 can achieve the driving force even with a small force.

In addition, the present invention obtains the cleaning ability improving effect to be able to perform the vacuum cleaning body 101 in a square shape to perform the cleaning of the wall edge portion more complete than when made in a circular shape.

In addition, according to the present invention, when the vacuum cleaning body 101 is made of a square, when the vacuum cleaning body 101 is in close contact with the wall surface, the driving direction is changed by changing the direction of the driving unit 190 instead of changing the direction through the rotation of the vacuum cleaning body 101. By changing, the effect of minimizing the rotation of the main body and the movement of the moving body when the wall or the obstacle is encountered.

1 is a plan view showing the appearance and cleaning the wall edge of the conventional vacuum cleaner (robot cleaner).
Figure 2 is a plan view showing a direction change process when facing obstacles of a conventional vacuum cleaner (robot cleaner).
Figure 3 is a bottom perspective view showing a configuration according to an embodiment of the present invention.
Figure 4 is a block diagram showing a simplified configuration according to an embodiment of the present invention.
5 is a block diagram schematically showing another configuration according to an embodiment of the present invention.
6 is a cross-sectional view showing in more detail the configuration according to an embodiment of the present invention.
7 and 8 are partial cross-sectional views showing other configurations of the blocking jaw according to an embodiment of the present invention.
Figure 9 is a bottom view showing another configuration of the blocking jaw according to an embodiment of the present invention.
10 is a plan sectional view showing a configuration according to another embodiment of the present invention.
11 and 12 are block diagrams schematically showing a configuration according to another embodiment of the present invention.
13 is a plan view showing another configuration of the travel control unit of the present invention.
Fig. 14 is a side sectional view showing an operating state of the present invention.
15 to 17 is a plan view showing a turning state when facing the wall or obstacle of the present invention.
18 is a plan view schematically showing a state in which a buffer roller is installed in the present invention.
19 is a bottom perspective view and a side cross-sectional view showing an example in which the present invention is applied in a circular shape.
20 is a plan view showing another embodiment of the travel control unit and the driving unit of the present invention.

The present invention will now be described with reference to the accompanying drawings.

First, the present invention, as shown in Figures 3 to 6 of the accompanying drawings, in the vacuum cleaner 100 for sucking and cleaning dust and dust using the suction power of the electric motor, when a key button is input, the preset stored program Or a controller 110 for outputting a control signal related to vacuum suction according to a manual operation; A backlight unit 120 driven by a control signal of the controller 110 to provide a vacuum state; A suction unit 130 which sucks dust and foreign substances together with the outside air by the vacuum state of the bag 120; An accumulation unit 140 for storing dust and foreign matter sucked by the suction unit 130; After suctioning from the suction unit 130, the filtered air is guided to the bottom surface of the vacuum cleaning body 101 while passing through the filter (F) between the integration unit 140 and the bag unit 120 to increase the floating pressure. It may be to include; to provide a ground adhesion attenuator 150.

Here, in the present invention, the vacuum cleaner 100 may be a manual type in which the vacuum main body 101 is hinged to a shaft tip portion provided with a handle, or may be a robot cleaner which automatically cleans while driving, and they are all built-in power units. 300 may be operated by receiving power from the outside.

The present invention may further include a compression unit 160 for increasing the injection force by compressing the air guided from the bag portion 120 to the ground adhesion attenuating unit 150.

On the other hand, the vacuum cleaning body 101 of the present invention may be a rectangular shape or at least one portion made of a right angle.

On the other hand, in the present invention, the control unit 110 has a vacuum suction input of the back 120 is set in advance step by step and key buttons (provided outside the vacuum cleaning body 101) is provided corresponding to each step, according to the key button input It may be controlled to perform the operation, or may be a microcomputer equipped with a program for controlling the operation mode to be set in advance according to the use of the operation mode in accordance with the operation button.

On the other hand, in the present invention, the backlight unit 120 may be mounted with a vacuum generating motor installed in a space provided on the integrated unit 140, the filter (F) in a portion communicating with the integrated unit 140 ) May be provided.

On the other hand, in the present invention, the suction part 130 is a blocking jaw 131 for forming a bottom surface and space requiring cleaning by extending the portion except the suction path along the bottom edge portion of the vacuum cleaning body 101 ; A first suction opening 132 formed at a bottom surface of the suction space S provided at the central portion of the vacuum cleaning base 101; A second suction hole 133 formed at intervals along an outer circular path of the first suction hole 132; A brush 134 rotating by a motor fixed to the suction space S; An isolation member 135 that isolates the first suction opening 132 and the second suction opening 133; A first induction hole 136 for guiding air and fine dust introduced into the first suction hole 132 to the accumulation unit 140; And a second induction hole 137 for inducing foreign matter having fine dust and volume and air introduced into the second inlet 133 to the accumulation unit 140.

In the above, the blocking jaw 131 extends while being curved toward the center of the bottom surface of the vacuum cleaner 101, and may be positioned above the bottom surface to be cleaned at a predetermined interval.

In addition, the blocking jaw 131 extends while being curved toward the center of the bottom surface of the vacuum cleaning body 101 as shown in FIG. 7, but may be partially cut at intervals.

In addition, the blocking jaw 131 may be formed by protruding while bending toward the outer side of the bottom edge of the vacuum cleaning body 101, as shown in FIG. 8. It may have been.

In addition, the blocking jaw 131 is formed to protrude while gradually narrowing in the direction of the first and second suction openings 132 and 133 from the four corners of the vacuum cleaning body 101 as shown in FIG. 9. Can be. At this time, the blocking jaw 131 may be in close contact with the bottom surface requiring cleaning. In this case, a discharge hole 151 constituting the ground adhesion attenuation part 150 may be formed in a portion (four petal shapes in the drawing) in which a sealed space is formed by the blocking jaw 131.

In addition, in the above, the first suction opening 132 may be formed in a circular shape in the center, it may be formed long in one direction, most of which is blocked by the brush 134, a fine dust may be a path of suction. .

In addition, the second inlet 133 is a suction hole (width / length about 2 X 1 cm) is formed so that a large volume, such as paper (including aggregated paper) or fiber bundles (including aggregated dust) is sucked in Four may be formed in all directions, for example.

In addition, in the above, the brush 134 may be a circular brush that rotates in close contact with the bottom surface, or may be a roll-shaped brush that rotates in the advancing direction. In this case, the circular brush may be perforated so that air and fine dust flow into the rotating plate.

In addition, in the above, the isolation member 135 divides the suction space (S), the center portion guides the air and dust sucked into the first suction opening 132 to the first induction hole 136, the portion other than the center The second suction hole 133 may be to guide the sucked air, dust and the bulk body to the second induction hole 137, respectively.

On the other hand, in the present invention, the integrated unit 140 is a space connecting the suction space S and the back 120 of the suction unit 130, the bottom surface is the same as the shape of the suction space (S) It is formed and attached, the upper surface may be penetrated so as to correspond to the portion where the filter (F) of the bag portion 120 is located. At this time, the integrated unit 140 may be removable to slide to the side of the vacuum cleaning body 101 so that it can be removed with dust and dirt collected.

On the other hand, the ground adhesion attenuation portion 150 of the present invention is a discharge hole 151 formed along the inner edge of the blocking jaw 131 is provided on the bottom edge or the edge portion of the vacuum cleaning body 101; A discharge path 152 that connects the space of the bag portion 120 or the compression unit 160 and the discharge hole 151 to guide the filtered or compressed air to the discharge hole 151. Can be configured.

In the above, the discharge hole 151 may be narrower in diameter toward the bottom surface, it may be formed to be inclined toward the center of the bottom surface of the vacuum cleaning base 101.

In addition, the discharge path 152 may be a pipe body made of a hard synthetic resin, or may be a hose made of a soft rubber or silicone series.

On the other hand, in the present invention, the compression unit 160 may be a small compressor installed in the space. For example, the compressed air produced in the first and second cylinders is sent to a cooler to cool it, and then it is sent to a third high pressure cylinder for compression again to a low pressure pump through a piston or filter to send the compressed air to the cooler. It may be a vane compressor to be sent to the high pressure pump to be compressed again and stored in the air tank.

In the above, the compression unit 160 performs a compression process until a predetermined pressure by the control signal of the control unit 110, and may be discharged when the predetermined pressure or more, the control unit 110 is such a The control operation may be performed only when the compression unit 160 is provided.

As described above, the present invention can be applied to a robot cleaner that performs cleaning while traveling automatically. The configuration thereof is as follows.

10 to 12, the sensor unit 170 for collecting the obstacle information of the four directions while driving to provide a digital signal; A position sensor 200 which collects the current position signal and provides it as a digital signal; Receives the obstacle information of the sensor unit 170 from the control unit 110 to provide a preset direction change signal, and receives the current position information of the position sensor 200, the driving signal along the pre-set driving line The driving control unit 180 to provide a; Traveling unit for changing the driving angle without the rotational motion according to the direction change of the vacuum cleaning base 101 according to the control signal of the running control unit 180, and provides a driving force for the floor surface requiring cleaning while rotating forward / reverse 190 may further include.

Here, in the present invention, the sensor unit 170 is exposed to the outside of the vacuum cleaning base 101 in all directions, and detects an object such as a wall or an obstacle and outputs a digital signal to the front / rear / left / right sensor 171 ( 172) (173) 174. In this case, the sensor unit 170 is provided on the front / rear / left / right of the floor surface is provided with a running surface sensor (not shown) for detecting the height change of the floor surface when the height difference that obstructs the running occurs, the control unit ( The controller 110 may output the signal for changing the direction by transmitting the signal to the controller 110.

On the other hand, the position sensor 200 in the present invention, the current position, for example, a charging unit for charging the power supply unit 300 (not shown; the position where charging is performed while the docking (Docking) the vacuum cleaning base 101 is stopped) It may be a sensor for transmitting a position signal to the control unit 110 to move to the reference coordinate.

In this case, the controller 110 reads the coordinate value transmitted from the position sensor 200, and determines whether the driving coordinate is repeated over a preset distance except for crossing between the current driving coordinate and the previous driving coordinate. It may be to transmit a control signal to the controller 180.

On the other hand, in the present invention, the traveling control unit 180 includes a microprocessor in which the traveling movement moving in a zigzag while moving by a width equal to or narrower than the width of the vacuum cleaning body 101 is preset, based on the traveling movement line A motor 181 and pinion 182 rotating forward / reverse according to a driving signal including a direction change input from the control unit 110; It may be configured to include; a direction switching member 183 for engaging with the pinion 182 to change the traveling angle of the traveling unit 190.

In the above, the turning member 183 may be a rotating body in which an outer circumferential surface thereof is engaged with the pinion 182, and a wheel 191 constituting the driving unit 190 is formed in the center portion thereof, and the vacuum cleaning body ( Four may be provided on the bottom of 101 (see FIG. 10).

At this time, the turning member 180 is provided with four on the bottom surface of the vacuum cleaning body 101, as shown in the accompanying drawings, Figure 13, two side turning members 180 side by side one pinion (182) ) And the timing belt 184 may be linked.

In addition, four direction changing members 180 are provided on the bottom surface of the vacuum cleaning body 101, and may be linked by bevel gears to be linked by rotation of one motor 181. (not shown)

On the other hand, in the present invention, the driving unit 190 may be configured to be partially exposed to the lower surface of the traveling control unit 180, it may be made of a wheel that is rotated by a dedicated motor 191.

Hereinafter, the operation of the present invention will be described.

First, in the vacuum cleaner 100 that sucks and cleans dust and dust by using suction power of an electric motor, when a key button is input, a control signal related to vacuum suction is output according to a preset stored program or manual operation. A control unit 110; A backlight unit 120 driven by a control signal of the controller 110 to provide a vacuum state; A suction unit 130 which sucks dust and foreign substances together with the outside air by the vacuum state of the bag 120; An accumulation unit 140 for storing dust and foreign matter sucked by the suction unit 130; After suctioning from the suction unit 130, the filtered air is guided to the bottom surface of the vacuum cleaning body 101 while passing through the filter (F) between the integration unit 140 and the bag unit 120 to increase the floating pressure. It comprises a; contact surface attenuator 150 provided.

The present invention further includes a compression unit 160 which increases the injection force by compressing the air guided from the bag portion 120 to the ground adhesion attenuating unit 150.

On the other hand, the vacuum cleaning body 101 of the present invention is a rectangular shape or at least one portion made of a right angle. Only then will it be perfectly cleaned to the edge of the wall.

On the other hand, in the present invention, the control unit 110 has a vacuum suction input of the back 120 is set in advance step by step and key buttons (provided outside the vacuum cleaning body 101) is provided corresponding to each step, according to the key button input The microcomputer is equipped with a program that controls to perform the corresponding operation, or the operation mode is set in advance according to the use destination or the user's selection, and controls to operate in the corresponding mode according to the operation button.

As described above, when the vacuum suction input of the backlight unit 120 is set in advance and key buttons are provided step by step, and controls to perform the corresponding operation according to the key button input (for example, when applied to a manual vacuum cleaner). Cleaning is performed in a state in which the suction force is adjusted according to the key operation, and in the process, air is discharged to the ground adhesion attenuating unit 150, so that a buoyancy force is generated on the vacuum cleaning body 101 with little force. Cleaning is also possible.

In this case, the controller 110 reads the coordinate value transmitted from the position sensor 200, and determines whether the driving coordinate is repeated over a preset distance except for crossing between the current driving coordinate and the previous driving coordinate. The control unit 180 further includes a control function for transferring a direction control signal.

In this case, the cleaning time can be shortened by minimizing the overlapped cleaning area and the power consumption can be minimized.

In addition, the control unit 110 advances the compression operation of the compression unit 160 until a predetermined pressure is reached, and when the pressure exceeds a predetermined pressure, the control unit 110 strongly discharges air to the discharge hole 151 in a state where the compression operation is released. It performs a control function, which is performed only when the compression unit 160 is provided. When the compression unit 160 is included, the discharge air pressure may be increased to provide greater buoyancy.

On the other hand, in the present invention, the bag 120 is mounted with a vacuum generating motor installed in the space provided on the integrated unit 140, the filter that allows only air to pass through the portion communicating with the integrated unit 140. (F) is provided.

In the above, the blocking jaw 131 extends while being curved toward the center of the bottom surface of the vacuum cleaning body 101, and is positioned above the bottom surface to be cleaned at a predetermined interval. Only then can it inhale air and dust or bulky foreign bodies with minimal loss of suction.

In addition, the blocking jaw 131 extends while being curved toward the center of the bottom surface of the vacuum cleaning body 101 as shown in FIG. 7, but may be partially cut at intervals. Then, if there is a step in the driving direction, the curved portion may ride over, and dust and foreign substances are introduced into the cutouts and suction is performed.

In addition, the blocking jaw 131 may be formed by protruding while bending toward the outer side of the bottom edge of the vacuum cleaning body 101, as shown in FIG. 8. It may have been. The curved protruding portion then acts as a bumper to mitigate the impact and allow for a wider range of cleaning.

In addition, the blocking jaw 131 is formed to protrude while gradually narrowing toward the first and second suction openings 132 and 133 in the center from the four corners of the vacuum cleaning body 101, as shown in FIG. It may be. At this time, the blocking jaw 131 is in close contact with the bottom surface requiring cleaning. As a result, the air pressure discharged from the discharge hole 151 of the ground adhesion attenuating unit 150 is not lost, so that buoyancy is increased, and thus, the vacuum cleaning base body 101 can slide as it slides.

In addition, in the above, the first suction opening 132 is formed in the center or is formed long in one direction, most of which is blocked by the brush 134 is sucked only fine dust.

In addition, the second inlet 133 is a suction hole (width / length about 2 X 1 cm) is formed so that a large volume, such as paper (including aggregated paper) or fiber bundles (including aggregated dust) is sucked in For example, four are formed in all directions, and a small suction hole is also provided between them. Then, the bulky foreign matter and fine dust is sucked through the second suction port, thereby preventing the first suction port 132 having a relatively narrow suction port from being blocked.

In addition, in the above, the brush 134 may be a circular brush that rotates in close contact with the bottom surface, a roll-shaped brush that rotates in the advancing direction is applied. At this time, the circular brush is preferably perforated so that air and fine dust flows into the rotating plate.

In addition, in the above, the isolation member 135 divides the suction space (S), the center portion guides the air and dust sucked into the first suction opening 132 to the first induction hole 136, the portion other than the center The second suction opening 133 guides the sucked air, dust, and the bulk body to the second induction hole 137, respectively. Thus, the loss of pressure drawn into the central first inlet 132 is minimized and the suction force is increased.

On the other hand, in the present invention, the integrated unit 140 is a space connecting the suction space S and the back 120 of the suction unit 130, the bottom surface is the same as the shape of the suction space (S) The upper surface is penetrated so as to correspond to a portion where the filter F of the bag 120 is located. At this time, the accumulator 140 is slideable to the side of the vacuum cleaning body 101 to be removed by the dust and foreign matter collected.

On the other hand, the ground adhesion attenuation portion 150 of the present invention is a discharge hole 151 formed along the inner edge of the blocking jaw 131 is provided on the bottom edge or the edge portion of the vacuum cleaning body 101; A discharge path 152 that connects the space of the bag portion 120 or the compression unit 160 and the discharge hole 151 to guide the filtered or compressed air to the discharge hole 151. It is configured by.

In the above, the discharge hole 151 is preferably narrower in diameter toward the bottom surface, may be formed to be inclined toward the bottom center direction of the vacuum cleaning body 101.

In addition, the discharge path 152 may be a pipe body made of a hard synthetic resin, or a hose made of a soft rubber or silicone series.

On the other hand, in the present invention, the compression unit 160 is a small compressor installed in the space, and sends the compressed air produced in the first and second cylinders to the cooler to cool the cooling fan and then send it to the third high pressure cylinder to compress again It is a vane compressor that enters a low pressure pump through a piston type or a filter and sends compressed air to a cooler to cool it, sends it to a high pressure pump, compresses it again, and stores it in an air tank.

In the above, the compression unit 160 performs a compression process until a predetermined pressure by the control signal of the control unit 110, discharges when the predetermined pressure or more, the control unit 110 as described above The operation is performed only when the compression unit 160 is provided.

When the present invention is also applied to the robot cleaner, as shown in the accompanying drawings 10 to 12, the sensor unit 170 for collecting obstacle information of the four directions while driving to provide a digital signal; A position sensor 200 which collects the current position signal and provides it as a digital signal; Receives the obstacle information of the sensor unit 170 from the control unit 110 to provide a preset direction change signal, and receives the current position information of the position sensor 200, the driving signal along the pre-set driving line The driving control unit 180 to provide a; Traveling unit for changing the driving angle without the rotational motion according to the direction change of the vacuum cleaning base 101 according to the control signal of the running control unit 180, and provides a driving force for the floor surface requiring cleaning while rotating forward / reverse It further comprises 190.

Here, in the present invention, the sensor unit 170 is exposed to the outside of the vacuum cleaning base 101 in all directions, and detects an object such as a wall or an obstacle and outputs a digital signal to the front / rear / left / right sensor 171 ( 172 (173) (174). At this time, the sensor unit 170 is provided on the front / rear / left / right of the bottom surface when the height difference occurs to prevent the running by detecting the height change of the bottom surface, the bottom surface sensor for transmitting the signal to the control unit 110 It is also preferable to further provide, and outputs a signal for the controller 110 to change the direction in accordance with the detection signal of the sensor unit 170.

On the other hand, the position sensor 200 in the present invention, the current position, for example, a charging unit for charging the power supply unit 300 (not shown; the position where charging is performed while the docking (Docking) the vacuum cleaning base 101 is stopped) It is a sensor for transmitting the position signal to the control unit 110 to move to the reference coordinate.

In this case, the controller 110 reads the coordinate value transmitted from the position sensor 200, and determines whether the driving coordinate is repeated over a preset distance except for crossing between the current driving coordinate and the previous driving coordinate. The control signal is transmitted to the controller 180.

On the other hand, in the present invention, the traveling control unit 180 includes a microprocessor in which the traveling movement moving in a zigzag while moving by a width equal to or narrower than the width of the vacuum cleaning body 101 is preset, based on the traveling movement line A motor 181 and pinion 182 rotating forward / reverse according to a driving signal including a direction change input from the control unit 110; And a direction switching member 183 that engages with the pinion 182 to change the traveling angle of the traveling part 190.

In the above, the direction change member 183 is a rotating body in which the outer circumferential surface is meshed with the pinion 182, the wheel 191 constituting the running portion 190 is built in the center portion, the vacuum cleaning base 101 Four are provided at the bottom of the substrate (see Fig. 10).

At this time, the turning member 180 is provided with four on the bottom surface of the vacuum cleaning body 101, as shown in the accompanying drawings, Figure 13, two side turning members 180 side by side one pinion (182) ) And the timing belt 184 are preferably linked to each other.

In addition, four direction changing members 180 are provided on the bottom surface of the vacuum cleaning body 101, and may be linked to bevel gears to be linked by rotation of one motor 181. (not shown)

On the other hand, in the present invention, the driving unit 190 is a wheel that is arranged to expose a part of the lower surface of the driving control unit 180, and is rotated by a dedicated motor 191.

The present invention as described above, as shown in Figure 14, the cleaning is performed while driving the bottom surface requiring cleaning.

At this time, air, fine dust and foreign matter are sucked through the first and second suction holes 132 and 133 of the suction part 130 by the vacuum suction force generated in the bag 120, which is a suction space ( It is introduced into the integrated unit 140 through S), the fine dust and foreign matter foreign matter is blocked by the filter (S), and only air is introduced into the bag portion 120 to the compression unit 160.

The air introduced as described above is discharged to the bottom surface of the vacuum cleaning body 101 through the discharge hole 151 through the discharge path 152, and thus buoyancy acts (the vacuum cleaning body except the wheel according to the discharge pressure) 101) The part may float about 1mm, but the pressure is enough to attenuate the adhesion, not the buoyancy that floats completely from the floor.

The present invention as shown in the accompanying drawings, as shown in Figure 15 to 17, when facing the wall or obstacle, if the sensor of the corresponding sensor unit 170 detects this and transmits a detection signal to the control unit 110, The controller 110 outputs a direction change signal, and when the driving controller 180 receives the input, that is, when the pinion 182 is rotated 90 degrees by the motor 181, the direction change member 183 is interlocked by 90 degrees. Rotate to change the direction of travel of the wheel, and to drive.

In this case, as shown in FIG. 18, the buffering roller 102 is provided on the whole or part of the outer side surface of the vacuum cleaner 101 to prevent the main body from being worn or damaged when traveling on the wall. .

The present invention as described above may be made of a circular main body, as shown in the accompanying drawings.

In the present invention as described above, the ground adhesion attenuation part 150 is sucked by the suction part 130 and passes through the filter (F) between the accumulation part 140 and the back part 120, the vacuum cleaning base 101 By supplying the floating pressure by injecting and spraying to the bottom surface, the air containing fine dust is prevented from contaminating the indoor air, while the floor adhesion force is prevented by the pressure to float rather than completely floating from the floor surface requiring cleaning. By reducing, the driving resistance is reduced so that the driving unit 190 can exhibit the driving force even with a small force.

In addition, the present invention improves the cleaning ability to make the vacuum cleaning base 101 is made in a square shape to perform the cleaning of the wall edge portion more completely than when made of a circular shape.

In addition, according to the present invention, when the vacuum cleaning body 101 is made of a square, when the vacuum cleaning body 101 is in close contact with the wall surface, the driving direction is changed by changing the direction of the driving unit 190 instead of changing the direction through the rotation of the vacuum cleaning body 101. By changing, it minimizes the rotation of the main body and consequent movement of the body when facing the wall or obstacle.

Finally, referring to another embodiment of the traveling control unit and the driving unit of the present invention, as shown in Figure 20, the traveling control unit 180 and the traveling unit 190 in the center of the bottom surface of the vacuum cleaning body 101 A single number may be provided, and ball-type wheels may be provided at corners of the bottom surface of the vacuum cleaner 101.

In this case, it is possible to minimize the power consumption according to the driving, to minimize the volume and weight of the vacuum cleaner, since the center of the direction of change of direction can be easily made echo switching.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments.

In addition, those skilled in the art will appreciate that many modifications and variations of the present invention are possible without departing from the spirit and scope of the appended claims.

Accordingly, all such appropriate modifications and changes, and equivalents thereof, should be regarded as within the scope of the present invention.

100: vacuum cleaner 101: vacuum cleaner base
102: buffer roller 110: control unit
120: white portion 130: suction portion
131: blocking jaw 132,133: first and second inlet
134: brush 135: isolation member
136,137: 1st, 2nd guided 140: integrated part
150: contact surface attenuator 151: discharge hole
152 discharge path 160 compression unit
170: sensor unit 180: driving control unit
181: motor 182: pinion
183: direction change member 184: timing belt
190: driving unit 200: position sensor
300:

Claims

In the vacuum cleaner 100 that sucks and cleans dust and dust using the suction power of the electric motor,
A control unit 110 for outputting a control signal related to vacuum suction according to a preset stored program or manual operation when a key button is input;
A backlight unit 120 driven by a control signal of the controller 110 to provide a vacuum state;
The suction unit 130 sucks dust and foreign substances together with the outside air by the vacuum state of the bag 120;
The integrated unit 140 for storing the dust and foreign matter sucked by the suction unit 130;
After suctioning from the suction unit 130, the filtered air is guided to the bottom surface of the vacuum cleaning base 101 while passing through the filter (F) between the integrated unit 140 and the bag 120, the floating pressure Ground adhesion attenuation portion 150 to provide; Vacuum cleaner comprising a.

The method of claim 1,
The vacuum cleaner (100) is a vacuum cleaner, characterized in that the robot cleaner for cleaning manually or traveling while the vacuum cleaner main body 101 is hinged to the shaft tip is provided with a handle automatically.

The method of claim 1,
Compression unit 160 for increasing the injection force by compressing the air guided by the back contact portion 120 to the ground adhesion attenuator 150; Vacuum cleaner comprising a more.

The method of claim 1,
The vacuum cleaner 101 is a vacuum cleaner, characterized in that the rectangular shape or at least one portion made of a right angle.

The method of claim 1,
The control unit 110 is a vacuum suction input of the backlight unit 120 is set in advance in step and the key button is provided in step by step, control to perform the corresponding operation according to the key button input, or the operation mode is pre-set according to the user A vacuum cleaner characterized in that the microcomputer equipped with a program set to control to operate in the corresponding mode according to the operation button.

The method of claim 1,
The vacuum module 120 is equipped with a vacuum generating motor installed in a space provided at the upper end of the integrated unit 140, and the vacuum filter, characterized in that the filter (F) is provided in a portion communicating with the integrated unit 140 vacuum cleaner.

The method of claim 1,
The suction unit 130 may include a blocking jaw 131 that forms a bottom surface and a space that requires cleaning by extending downward except a suction path along a bottom edge of the vacuum cleaning body 101; A first suction opening 132 formed at a bottom surface of the suction space S provided at the central portion of the vacuum cleaning base 101; A second suction hole 133 formed at intervals along an outer circular path of the first suction hole 132; A brush 134 rotating by a motor fixed to the suction space S; An isolation member 135 that isolates the first suction opening 132 and the second suction opening 133; A first induction hole 136 for guiding air and fine dust introduced into the first suction hole 132 to the accumulation unit 140; And a second induction hole (137) for inducing foreign matter having fine dust and volume and air introduced into the second intake port (133) to the accumulation unit (140).

8. The method of claim 7,
The blocking jaw 131 extends while being curved toward the bottom center of the base of the vacuum cleaner 101, and has a predetermined distance from the bottom surface requiring cleaning to be positioned upward.

8. The method of claim 7,
The blocking jaw 131 extends while being curved toward the center of the bottom surface of the base of the vacuum cleaner 101, wherein a part of the vacuum cleaner is cut at intervals.

8. The method of claim 7,
The blocking jaw 131 is formed to protrude while bending toward the outer edge of the bottom edge of the vacuum cleaner body 101, and a part of the vacuum cleaner protrudes at intervals.

8. The method of claim 7,
The blocking jaw (131) is a vacuum cleaner, characterized in that the protrusion formed gradually narrowing in the direction of the first and second suction openings (132, 133) from the four corners of the vacuum cleaner base 101.

12. The method of claim 11,
The blocking jaw 131 is in close contact with the bottom surface requiring cleaning, and the discharge hole 151 constituting the ground adhesion attenuation part 150 is formed at a portion where the closed space is formed by the blocking jaw 131. Vacuum cleaner characterized in.

8. The method of claim 7,
The brush 134 is made of a circular brush rotating in close contact with the bottom surface or a roll-shaped brush rotating in a traveling direction, wherein the circular brush is perforated so that air and fine dust flow into the rotating plate. Vacuum cleaner.

8. The method of claim 7,
The isolation member 135 divides the suction space S so that the center portion guides the air and dust sucked into the first suction opening 132 to the first induction hole 136, and the portion other than the center portion is the first portion. The second suction port (133) is a vacuum cleaner, characterized in that the partitions for inducing the suctioned air, dust and the bulk body to the second guide hole (137), respectively.

The method of claim 1,
The integrated unit 140 is a space for connecting the suction space S and the back 120 of the suction unit 130, and the bottom surface is formed to have the same shape as the shape of the suction space S. The upper surface is penetrated so as to correspond to the portion where the filter (F) of the bag 120 is located, the accumulator 140 to the side of the vacuum cleaner 101 to remove the dust and foreign matter collected Vacuum cleaner characterized in that the slide detachable.

The method of claim 1,
The ground adhesion attenuation part 150 may include a discharge hole 151 formed along an inner edge of the blocking jaw 131 provided at the bottom edge or the edge of the vacuum cleaning base 101; A discharge path 152 that connects the space of the bag portion 120 or the compression unit 160 and the discharge hole 151 to guide the filtered or compressed air to the discharge hole 151. Vacuum cleaner, characterized in that configured.

17. The method of claim 16,
The discharge hole (151) is narrower in diameter toward the bottom surface, the vacuum cleaner, characterized in that formed inclined toward the center of the bottom surface of the vacuum cleaning body (101).

The method of claim 1,
Sensor unit 170 for collecting the obstacle information of the four directions while driving to provide a digital signal; A position sensor 200 which collects the current position signal and provides it as a digital signal; Receives the obstacle information of the sensor unit 170 from the control unit 110 to provide a preset direction change signal, and receives the current position information of the position sensor 200, the driving signal along the pre-set driving line The driving control unit 180 to provide a; Traveling unit for changing the driving angle without the rotational motion according to the direction change of the vacuum cleaning base 101 according to the control signal of the running control unit 180, and provides a driving force for the floor surface requiring cleaning while rotating forward / reverse Vacuum cleaner further comprises (190).

19. The method of claim 18,
The sensor unit 170 is exposed to the outside of all four sides of the vacuum cleaner 101 to detect an object such as a wall or an obstacle and outputs a digital signal to the front / rear / left / right sensors 171 (172) (173). Vacuum cleaner comprising a) (174).

19. The method of claim 18,
The position sensor 200 is a vacuum cleaner, characterized in that the sensor for transmitting the position signal to the control unit 110 to move the charging unit for charging the power supply unit 300 as the reference coordinate.

19. The method of claim 18,
The controller 110 reads the coordinate value transmitted from the position sensor 200 and determines whether the driving coordinate is repeated over a preset distance except that the current driving coordinate and the previous driving coordinate intersect. Vacuum cleaner, characterized in that for transmitting a control signal to (180).

19. The method of claim 18,
The driving control unit 180 includes a microprocessor in which a driving line moving in a zigzag while moving by a width equal to or narrower than the width of the vacuum cleaning body 101 is preset, and based on the driving line, A motor 181 and pinion 182 that rotate forward / reverse according to a driving signal including a direction change input from the 110; And a direction changing member (183) for engaging the pinion (182) to change the traveling angle of the driving unit (190).

19. The method of claim 18,
The vacuum cleaner, characterized in that the traveling unit 190 is constructed so that a portion of the traveling control unit 180 is exposed to the lower surface, the wheel is rotated by a dedicated motor (191).

23. The method of claim 22,
The turning member 183 is a rotary body having an outer circumferential surface meshed with the pinion 182 and a wheel 191 constituting the driving unit 190 in the center portion thereof, the rotating body of which the vacuum cleaning base 101 is constructed. Vacuum cleaner, characterized in that four provided on the bottom.

23. The method of claim 22,
The driving control unit 180 and the traveling unit 190 are provided in the center of the bottom surface of the vacuum cleaning body 101, and the ball-type wheels are provided on all four corners of the bottom surface of the vacuum cleaning body 101. Vacuum cleaner.