KR20040052094A - Cleaning robot possible washing - Google Patents

Abstract

PURPOSE: A cleaning robot capable of wet cleaning is provided to conveniently clean dust and stains by preparing a mop roller and to obtain the effect of sterilization. CONSTITUTION: A cleaning robot capable of wet cleaning comprises a fan motor(112) installed in a casing(111) and generating a suction force, a filter container(114) installed at the suction part of the fan motor and having a filter(113) for collecting dust and dirt, a suction tube(115) communicated with the filter container, a suction head(116) installed on the bottom face of the casing and communicated with the inlet of the suction tube and sucking the dust and dirt, plural brushes(117,118) rotatably installed in the suction head and sweeping the dust and dirt, a steam supply unit(130) placed behind the brushes and supplying steam to the floor to be cleaned, and a mop roller(140) rotatably installed at the rear portion of the outlet of the steam supply unit and mopping the dust and dirt by using steam.

Description

Cleaning robot that can clean water {CLEANING ROBOT POSSIBLE WASHING}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cleaning robot, and more particularly, to a cleaning robot capable of cleaning water that can clean heavy dust or stains with steam and water.

In general, the cleaning robot moves and cleans itself, and when the power supply of the charger is exhausted, it moves to the charging position and charges itself, and after the charging is completed, the cleaning robot returns to its original position and continues to clean.

1 is a longitudinal sectional view showing a conventional cleaning robot.

As shown in the drawing, a conventional cleaning robot is equipped with a fan motor 2 for generating a suction force inside the casing 1, and in front of the fan motor 2, dust sucked by the fan motor 2 is sucked. A filter container 4 having a built-in filter 3 is detachably installed to collect dust.

In addition, a suction pipe 5 for sucking dust or dirt is provided on the front of the filter container 4, and a suction head 6 having a predetermined width is provided at the opposite end of the suction pipe 5 for suction. In the center of the head, a brush 7 for sweeping up dust and dirt at the bottom is rotatably provided.

In addition, a pair of drive wheels 8 capable of forward and reverse rotation at right and left intervals at the center of the casing 1 are meshed with the brush 7 and installed at the rear of the casing 1 with an auxiliary wheel 9 ) Is being installed.

In addition, the back of the casing (1) is equipped with a charging terminal 11 having a charging terminal (11a) to be connected to the power supply terminal 20 installed on the wall inside the room, connected to the charging terminal 11 to charge The charging battery 11b is mounted inside the casing 1 so as to be able to do so.

In addition, an ultrasonic transmitter 12a for transmitting an ultrasonic wave is provided at the front center portion of the casing 1, and an ultrasonic wave transmitter 12a is received at the upper and lower sides of the ultrasonic transmitter 12a to receive the reflected ultrasonic waves to detect an obstacle. A plurality of ultrasonic receivers 12b are provided at regular intervals.

In the drawings, reference numerals 21 and 13 denote light emitting units and light receiving units for guiding the charging terminal unit to the power terminal unit, 14 is a control means, 15 is an exhaust chamber, and 15a is an exhaust port.

The conventional cleaning robot as described above operates as follows.

That is, when the operation button (not shown) is pressed, the power of the charging battery 11b is applied to the fan motor 2 so that the suction force is generated in the filter container 4 while the fan motor 2 is driven, and at the same time the driving wheel Power is also applied to (8), and it moves to the position to be cleaned while rotating. At this time, the brush (7) engaged with the driving wheel (8) is rotated together to collect the dust or dirt on the floor and by the suction force of the fan motor (2) through the suction head (6) and the suction pipe (5) 3) Perform a series of processes to collect.

In addition, during the automatic cleaning, the voltage sensing unit (not shown) senses the voltage level of the battery 11b for charging, and compares it with the voltage level set by the control means 14, and when it is less than that, After stopping the operation, store the current position and give a separate return command to power the vacuum cleaner so that the power terminal unit 20 provided on the wall of the room and the charging terminal unit 11 provided on the vacuum cleaner casing 1 are connected. Move to the terminal 20 to charge.

Subsequently, when the voltage sensing unit recognizes that the charging is completed, the driving wheel 8 is operated again to move to the cleaning position, and then the cleaning operation is continued.

However, in the conventional cleaning robot as described above, the brush 7 plays a role of sweeping up dust or dirt on the floor, but in a carpet or some dusty places, the cleaning state is poor by simply sweeping up only with the brush 7. In particular, the removal of the primary dust with a cleaning robot has a problem that the convenience of the cleaning robot is halved because the person has to mop again.

The present invention has been made in view of the problems of the conventional cleaning robot as described above, to provide a cleaning robot capable of cleaning the water can be easily and conveniently remove the heavy dust or stains and can be performed from dust removal to mopping. There is an object of the invention.

1 is a longitudinal sectional view showing an example of a conventional cleaning robot;

Figure 2 is a longitudinal sectional view showing an example of the cleaning robot of the present invention,

3 is a longitudinal sectional view showing the main part of FIG. 2;

4 is an enlarged detail view of part “A” of FIG. 3.

** Description of symbols for the main parts of the drawing **

117,118: first and second brush 120: juice squeegee

130: steam generator 131: water reservoir

131a: water storage space 132: valve cock for water supply

132a: water supply hole 133: steam generator

133a: heater 133b: ultrasonic vibrator

134: steam guide tube 135: steam control check valve

135a: Steam regulating valve 135b: Valve spring

140: mop roller 141: roller member

142: cloth cloth 143: auxiliary squeegee

In order to achieve the object of the present invention, a fan motor provided inside the casing to generate suction power, a filter coupled to the suction side of the fan motor to collect dust and dirt, a suction pipe communicating with the suction side of the filter, A suction head connected to the end of the suction pipe and installed on the bottom of the casing to suck in dust or dirt, at least one brush rotatably installed in the suction head to sweep out dust or dirt, Mop provided with a cloth for mop on the outer circumferential surface of the steam supply means for supplying steam to the bottom and rotatably installed at the rear of the outlet of the steam supply means to wipe off the steam sprayed on the floor with dust. Provided is a cleaning robot capable of cleaning water, including rollers.

Hereinafter, the cleaning robot capable of cleaning the present invention will be described in detail based on an embodiment shown in the accompanying drawings.

Figure 2 is a longitudinal sectional view showing an example of the cleaning robot of the present invention, Figure 3 is a longitudinal sectional view showing the main portion of Figure 2, Figure 4 is a detailed view showing an enlarged portion "A" of FIG.

As shown in the drawing, the cleaning robot according to the present invention is installed inside the casing 111 to generate suction power and to be installed on the suction side of the fan motor 112 to collect dust and dirt. The filter container 114 including the filter 113, the suction pipe 115 communicating with the inlet side of the filter container 114, and the inlet end of the suction pipe 115 communicate with the bottom surface of the casing 111. A suction head 116 installed to suck dust and dirt in the room, a plurality of brushes 117 and 118 rotatably installed inside the suction head 116 to sweep dust and dirt from the floor, and a brush (117) (118) located in the rear of the steam supply unit 130 for supplying steam to the bottom, and rotatably installed in the rear of the outlet side of the steam supply unit 130 to wipe off dust and dirt with steam The mop roller 140 is included.

The brushes 117 and 118 are disposed at a potential with respect to the travel direction of the casing 111 and are positioned at the rear of the first brush 117 and the first brush 117 in the forward direction. The second brush 118 rotates in the reverse direction to the traveling direction.

The first brush 117 and the second brush 118 can be cleaned by the bristles 117b and 118b in consideration of the fact that the bristles 117b and 118b are densely inserted into the outer peripheral surfaces of the shaft portions 117a and 118a. It is installed to be rotatable at the height of contact with the floor. Each of the brushes 117 and 118 is preferably configured to rotate together with the driving wheel 119 in gear form.

In addition, the back of the second brush 118, that is, between the second brush 118 and the outlet of the steam generator 120 is made of an elastic material to sweep the remaining dust or dirt after cleaning with the brush (117, 118) Install the juice squid 120 in surface contact with the bottom to be cleaned.

The steam supply device 130 is installed in the casing 111, the water reservoir 131 to form a water receiving space 131a having an inlet and an outlet, and installed to be opened and closed at the inlet of the water reservoir 131. Water supply valve cock 132 for controlling the water supply to the water receiving space (131a), the steam generator 133 is installed on one side of the water reservoir 131 to generate steam, and the water reservoir 131 It is formed in communication with the outlet of the steam guide pipe 134 for guiding the steam between the second brush 118 and the mop roller 140, and the steam installed in the middle of the steam guide pipe 134 to control the discharge of steam It consists of a check valve 135 for adjustment.

The water reservoir 131 may be formed integrally by molding the casing 111 to a predetermined shape as in the present embodiment, but may be separately formed and detachably coupled in some cases.

The valve cock 132 for water supply is rotatably coupled to the inlet of the water reservoir 131 having a plurality of water supply holes 132a as shown in FIG. 3 or 4. In addition, it is preferable to pack the rubber or asbestos so that water in the water reservoir 131 does not leak.

The steam generator 133 is a heater 133a made of a hot plate or a coil to heat the water of the water reservoir 131, and an ultrasonic vibrator for generating steam by vibrating the water spread by the heater 133a with ultrasonic waves ( 133b).

The steam guide tube 134 is formed so that the outlet is directed toward the bottom surface of the cleaner casing 111, and the outlet side is preferably narrower toward the outlet, so as to increase the discharge rate of the steam.

The check valve 135 is formed of a rubber to control the steam control valve 135a for opening and closing the middle of the steam guide pipe 134, and the pressure of the water reservoir 131 is a constant pressure by elastically supporting the rear of the valve (135a) If it is abnormal, the compression control valve (135a) is opened while the pressure is less than a predetermined pressure is made of a valve spring (135b) made of a compression coil spring to close the steam guide pipe 134 to the steam control valve (135a).

On the other hand, the mop roller 140 is coupled to the driving wheel 119 together with the brush 117, 118 by a gear to rotate the roller member 141, and wound around the outer peripheral surface of the roller member 141 of the bottom Mop cloth 142 to wipe off dust or dirt. Mop cloth 142 may be both wet cloth and dry cloth.

In addition, it is preferable to install the auxiliary squeegee 143 in the rear of the mop roller 140 so as to sweep the dust or dirt remaining on the floor even after mopping.

In the drawings, the same reference numerals are given to the same parts as in the prior art.

In the drawings, reference numeral 20 denotes a power terminal unit, 21 a power terminal, 22 a light emitting unit, 121 an auxiliary wheel, 122 a charging terminal unit, 122a a charging terminal, 122b a charging battery, 123a an ultrasonic transmitter, and 123b an ultrasonic The receiving unit, 124 is a light receiving unit, 125 is a control means, 126 is an exhaust chamber, 126a is an exhaust port, and 136 is a water supply hose.

Effects of the brush dust removal apparatus of the present invention cleaning robot as described above are as follows.

First, when the operation button is pressed, the power of the rechargeable battery 122b is applied to the fan motor 112 so that the suction force is generated in the filter container 114 while the fan motor 112 is driven, and at the same time, the fan motor 112 The suction force is collected by the suction head 116 and the suction pipe 115 to the filter 113. In this process, the driving wheel 119 rotates according to the command of the control means 125 to clean the casing 111. Perform a series of processes to automatically clean certain areas by moving to.

At this time, the first brush 117 and the second brush 118 provided on the inside of the suction head 116 is rotated in the opposite direction to sweep the dust or dirt on the bottom of the suction pipe 115 more easily. At the same time, the steam generated by the steam generator 133 is sprayed to the rear of the second brush 118 through the steam guide pipe 134 and the steam is discharged to the dust or dirt on the floor. Sticking to and then wiped by the mop roller 140.

Looking at this in more detail as follows.

When the user turns the water supply valve cock 132 in the opening direction, fills the water reservoir 131 with a predetermined amount of water and selects the water cleaning mode. The heater 133a of the steam generator 133 is controlled by a separate control circuit. While heating, the water in the water reservoir 131 is deflected to a predetermined temperature.

Thereafter, the ultrasonic vibrator 133b applies the ultrasonic signal generated in the electronic circuit to the special ultrasonic vibrator (piezoelectric ceramics, etc.) 133b to generate vibration and generate ultrasonic waves. Due to the vibrating effect of the vibrator 133b, when the water pops up in a fine grained state to fill the steam guide tube 134 and the steam filling the steam guide tube 134 becomes more than a predetermined pressure, the check valve 135 Opening the steam control valve (135a) while blowing the valve spring (135b) is injected to the floor to be cleaned.

Subsequently, when the water cleaning mode is released, the heater 133a and the ultrasonic vibrator 133b are stopped, and the pressure of the water reservoir 131 and the steam guide tube 134 is lowered. Then, the valve spring 135b of the check valve 135 is released. By the restoring force of the steam control valve (135a) is closed to block the steam discharge.

On the other hand, the auxiliary squeegee 143 located in the rear of the mop roller 140 sweeps the bottom surface to collect the remaining dust or dirt even after cleaning the water.

In this way, by spraying hot steam on the floor can be easily and conveniently removed to remove heavy dust and stains, and sterilization effect can also be obtained.

Further, by performing dust cleaning after dust cleaning, the original purpose of using the cleaning robot can be further increased.

According to the present invention, the robot for cleaning water can be easily and conveniently cleaned of dust and stains and can also be sterilized by installing a dust suction brush, a mop roller, and a steam supply device together inside the casing.

In addition, the dust can be cleaned after performing the dust can further enhance the user's convenience.

Claims (6)

A fan motor installed inside the casing to generate suction power, a filter coupled to the suction side of the fan motor to collect dust and dirt, a suction tube communicating with the suction side of the filter, and a bottom end of the casing connected to the end of the suction tube A suction head installed on a surface to suck in dust and dirt, at least one brush rotatably installed inside the suction head to sweep out dust and dirt, and located at the rear of the brush based on the driving direction A cleaning robot capable of cleaning water, including a steam supply means for supplying steam and a mop roller that is rotatably installed at the rear of the outlet side of the steam supply means and has a cloth for cleaning on the outer circumference to wipe off the steam sprayed on the floor with dust. . The method of claim 1, The steam supply means includes a water storage unit for forming a water receiving space having an inlet and an outlet inside the casing, and a water supply adjusting unit for opening and closing the water storage unit at an inlet to control the water supply to the water receiving space. And, the steam generating unit for generating steam by installing on one side of the water storage unit, and the steam guide unit for guiding the steam between the brush and the mop roller by forming a communication in one side of the water storage unit, the steam installed in the middle of the steam guide Cleaning robot capable of cleaning water, characterized in that consisting of a steam discharge control unit for controlling the discharge of. The method of claim 2, The steam generator comprises a heater for heating the water in the water storage unit and an ultrasonic vibrator for generating steam by vibrating the water spread by the heater with ultrasonic waves. The method of claim 1, Mop roller is a cleaning robot capable of cleaning the water, characterized in that installed in the forward direction with respect to the running direction of the casing. The method of claim 1, A cleaning robot capable of cleaning water, which is provided at the rear of the brush with a juice squeezing dust or dirt remaining after brushing on the cleaning surface. The method according to claim 1 or 5, The rear side of the mop roller further includes an auxiliary squeegee for sweeping out dust and dirt remaining after mopping on a cleaning surface.