referring to fig1 through fig4 , there are shown schematic views of an electric sweeping washing device 1000 according to the first embodiment of the present invention . the electric sweeping washing device 1000 is for use in sweeping and washing a floor 2 ( such as a floor and a rug .) the electric sweeping washing device 1000 comprises a sweeping washing brush 100 a and a water collection system design 200 . the sweeping washing brush 100 a comprises a body 110 , a sweeping roller brush 160 a , an auxiliary wheel 170 , a water absorbing scrubbing roller brush 120 a , a sprinkler head 130 , and an water absorbing scraper 140 . the body 110 has a separating board s for demarcating and separating a sweeping washing brush front 111 a from a sweeping washing brush rear 112 a . both the opening of the sweeping washing brush front 111 a and the opening of the sweeping washing brush rear 112 a face the floor 2 . the sweeping roller brush 160 a is disposed inside the sweeping washing brush front 111 a and driven by a sweeping washing brush motor 121 a to rotate . the auxiliary wheel 170 is disposed at the body 110 , between the sweeping washing brush front 111 a and the sweeping washing brush rear 112 a , and on two sides of the sweeping washing brush 110 . the water absorbing scrubbing roller brush 120 a is disposed inside the sweeping washing brush rear 112 a and driven by the sweeping washing brush motor 121 a to rotate . the sprinkler head 130 is disposed on an inner side of the sweeping washing brush rear 112 a . the sprinkler head 130 faces the water absorbing scrubbing roller brush 120 a and washes off tiny dust and dirt otherwise adhered to the water absorbing scrubbing roller brush 120 a as a result of scrubbing the floor and the rug , thereby keeping the water absorbing scrubbing roller brush 120 a clean and wet enough to remove tiny dust and smears from the floor and the rug repeatedly . the water absorbing scraper 140 is disposed on another inner side of the sweeping washing brush rear 112 a to press against the water absorbing scrubbing roller brush 120 a so as for the water absorbing scraper 140 to rake dirty water and tiny dust on the water absorbing scrubbing roller brush 120 a . at the two ends of the water absorbing scraper 140 are buffer devices ( not shown ) which come in the form of springs or any other equivalent structures . the buffer devices are not regarded as an essential technical feature of the present invention and thus are not described in detail hereunder for the sake of brevity . while the water absorbing scrubbing roller brush 120 a is rotating , the buffer devices adjust the degree of tight contact between the water absorbing scraper 140 and the water absorbing scrubbing roller brush 120 a , such that the water absorbing scrubbing roller brush 120 a not only rotates smoothly but also functions well . the water absorbing scrubbing roller brush 120 a and the sweeping roller brush 160 a are changeable as needed . the sweeping washing brush 100 a comprises a storage battery 180 and a recharging plug 190 electrically connected to the storage battery 180 . the storage battery 180 supplies power to the sweeping washing brush motor 121 a to drive the sweeping washing brush motor 121 a to rotate . a user can insert the recharging plug 190 into a recharger ( not shown ) to recharge the storage battery 180 . the water collection system design 200 comprises a tank 210 , a clean water chamber 220 , a dirty water chamber 230 , a pipe 240 , a spray motor 250 , and an air intake motor 260 . the clean water chamber 220 is disposed inside the tank 210 and contains clean water available for use . the dirty water chamber 230 is disposed inside the tank 210 and contains dirty water which results from clean water usage . the pipe 240 comprises therein a spray tube 241 , a water absorbing tube 242 , and a dust sucking tube 243 . the spray tube 241 connects the sprinkler head 130 to the spray motor 250 and the clean water chamber 220 . the water absorbing tube 242 connects the water absorbing scraper 140 and the dirty water chamber 230 . the dust sucking tube 243 connects the sweeping washing brush front 111 a and the water absorbing tube 242 to the dirty water chamber 230 . the spray motor 250 is disposed at the tank 210 to withdraw unused clean water from the clean water chamber 220 with the spray tube 241 . then , the unused clean water thus withdrawn is driven and delivered to the sprinkler head 130 by means of the spray motor 250 . the air intake motor 260 is disposed at the tank 210 to reduce the internal pressure of the dirty water chamber 230 to vacuum pressure , such that the used dirty water is raked by the water absorbing scraper 140 and delivered to the dirty water chamber 230 by means of the water absorbing tube 242 ; meanwhile , dirt and dust is raked by the sweeping washing brush front 111 a and delivered to the dirty water chamber 230 by means of the dust sucking tube 243 and the water absorbing tube 242 . the electric sweeping washing device 1000 sweeps and washes the floor 2 by following the steps described hereunder . the sweeping roller brush 160 a is driven by the sweeping washing brush motor 121 a to rotate and start sweeping the floor and the rug 2 ; meanwhile , the water absorbing scrubbing roller brush 120 a is also driven by the sweeping washing brush motor 121 a to scrub the floor or rug 2 . furthermore , the sprinkler head 130 sprinkles unused clean water on the water absorbing scrubbing roller brush 120 a continuously to thereby rinse the water absorbing scrubbing roller brush 120 a . furthermore , the water absorbing scraper 140 collects dust - containing and dirt - containing dirty water from the water absorbing scrubbing roller brush 120 a and conveys the dirty water to the dirty water chamber 230 continuously . in so doing , the water absorbing scrubbing roller brush 120 a is kept clean and wet all the time and therefore fit to clean the floor or rug 2 repeatedly . referring to fig1 through fig4 , the user cleans the floor or rug 2 with the sweeping washing brush 100 a by following the steps described hereunder . first , the sweeping roller brush 160 a sweeps most of the dust , dirt , and hair into the sweeping washing brush front 111 a . then , the dust , dirt , and hair ends up in the dust sucking tube 243 by suction , because the air intake motor 260 reduces the internal pressure of the dirty water chamber 230 to vacuum pressure . afterward , the dust , dirt , and hair enters the water absorbing tube 242 and be mixed with the dirty water before being collected and stored in the dirty water chamber 230 . the water absorbing scrubbing roller brush 120 a scrubs the floor or rug 2 to rake the dust and smears spared by the sweeping roller brush 160 a . the clean water stored in the clean water chamber 220 is withdrawn by the spray motor 250 and delivered via the spray tube 241 to the sprinkler head 130 , such that the sprinkler head 130 sprinkles the clean water onto the water absorbing scrubbing roller brush 120 a to thereby wash off the dust or dirt otherwise attached to the water absorbing scrubbing roller brush 120 a as a result of its scrubbing the floor . due to the vacuum pressure generated by the air intake motor 260 , dust - containing and dirt - containing dirty water on the water absorbing scrubbing roller brush 120 a is raked by the water absorbing scraper 140 and delivered via the water absorbing tube 242 to the dirty water chamber 230 . before starting to sweep and wash the floor and the rug with the electric sweeping washing device 1000 , the user takes out the clean water chamber 220 and fills it with clean water . when the clean water is going to run out and the dirty water chamber 230 is going to be full of dirty water , the user may take out the dirty water chamber 230 and empty it . in doing so , the sweeping roller brush 160 a is capable of sweeping the floor and the rug continuously , and the water absorbing scrubbing roller brush 120 a is kept clean all the time . a plurality of mobile rollers 270 is disposed at the bottom of the tank 210 . the mobile rollers 270 enable the user to move the water collection system design 200 of the electric sweeping washing device 1000 easily . persons skilled in the art are able to infer from fig5 that the sprinkler head 130 is positioned on one side of the water absorbing scrubbing roller brush 120 a , and that the water absorbing scraper 140 is positioned on the other side of the water absorbing scrubbing roller brush 120 a . hence , not only is the water absorbing scrubbing roller brush 120 a cleaned efficiently , but the water absorbing scraper 140 can also remove and rake the dirty water on the water absorbing scrubbing roller brush 120 a efficiently . referring to fig6 , there is shown a schematic view of the electric sweeping washing device 1000 , wherein the brush is changed . the electric sweeping washing device 1000 is advantageously characterized in that the user can connect the washing brush 100 or the sweeping washing brush 100 a to the pipe 240 and the water collection system design 200 as needed . the washing brush 100 or the sweeping washing brush 100 a is connected to the pipe 240 by a mortise - and - tenon joint . for example , the pipe 240 has therein a recess , wherein the washing brush 100 or the sweeping washing brush 100 a has thereon a protruding post corresponding in position to the recess . in conclusion , the electric sweeping washing device of the present invention sweeps , vacuum - cleans , and scrubs the floor concurrently and thus speeds up the aforesaid cleaning process efficiently . furthermore , with the water absorbing scrubbing roller brush being clean and wet all the time , the user can sweep and wash the floor or rug easily , quickly , and in a labor - saving manner . furthermore , with the electric sweeping washing device , the user performs floor sweeping and floor washing concurrently , thereby dispensing the hassle of operating various single - function floor sweeping devices , floor washing devices , vacuum cleaning devices , and rug cleaning devices ; hence , the electric sweeping washing device is time - saving , labor - saving , and cost - saving . furthermore , the electric sweeping washing device in operation prevents dirty water from landing on the floor ; hence , not only does the floor thus swept and washed display no trace of residue , but the rug thus swept and washed also dries quickly to thereby extend its service life . referring to fig7 , the water absorbing scrubbing roller brush 120 a of the sweeping washing brush 100 a comprises a first gear 122 , whereas the sweeping roller brush 160 a of the sweeping washing brush 100 a comprises a second gear 123 . the first gear 122 and the second gear 123 together form a gear train . as soon as the sweeping washing brush motor 121 a drives the water absorbing scrubbing roller brush 120 a to rotate , the first gear 122 drives the second gear 123 to rotate , thereby causing the sweeping roller brush 160 a to rotate . referring to fig8 , a rotation element 280 is disposed at the junction of the body 110 of the sweeping washing brush 100 a and the pipe 240 of the water collection system design 200 . the rotation element 280 enables the pipe 240 to rotate about the junction and relative to the body 110 and thus be readily accessible by a user . referring to fig9 through fig1 , there are shown schematic views of an electric sweeping washing device 3000 according to the second embodiment of the present invention . the electric sweeping washing device 3000 is for use in washing a window 1 . the electric sweeping washing device 3000 comprises a washing brush 100 and a water collection system design 200 . the washing brush 100 comprises a body 110 , a water absorbing scrubbing roller brush 120 , and a sprinkler head 130 . the body 110 has a washing brush casing 111 . the opening of the washing brush casing 111 faces the window 1 , as shown in fig1 . the water absorbing scrubbing roller brush 120 is disposed inside the washing brush casing 111 and driven by a washing brushed motor 121 to rotate . the sprinkler head 130 is disposed inside the washing brush casing 111 . the sprinkler head 130 faces the water absorbing scrubbing roller brush 120 and washes off tiny dust and dirty water otherwise adhered to the water absorbing scrubbing roller brush 120 as a result of scrubbing the window glass , thereby keeping the water absorbing scrubbing roller brush 120 clean and wet enough to remove tiny dust and smears otherwise adhered to the window glass . the water absorbing scraper 140 is disposed inside the washing brush casing 111 and presses against the water absorbing scrubbing roller brush 120 so as for the water absorbing scraper 140 to rake dirty water and tiny dust on the water absorbing scrubbing roller brush 120 a . at the two ends of the water absorbing scraper 140 are buffer devices ( not shown ) which come in the form of springs or any other equivalent structures . while the water absorbing scrubbing roller brush 120 is rotating , the buffer devices adjust the degree of tight contact between the water absorbing scraper 140 and the water absorbing scrubbing roller brush 120 , such that the water absorbing scrubbing roller brush 120 not only rotates smoothly but also functions well . the water absorbing scrubbing roller brush 120 is changeable as needed . the washing brush 100 comprises a storage battery 180 and a recharging plug 190 electrically connected to the storage battery 180 . the storage battery 180 supplies power to the washing brushed motor 121 to drive the washing brushed motor 121 to rotate . the user can insert the recharging plug 190 into a recharger ( not shown ) to recharge the storage battery 180 . the water collecting scraper 150 is disposed beside the opening of the washing brush casing 111 and disposed above the opening of the washing brush casing 111 . the water collection system design 200 has a tank 210 . the clean water chamber 220 is removably disposed inside the tank 210 and adapted to contain the unused clean water . the dirty water chamber 230 is removably disposed inside the tank 210 and adapted to contain the used dirty water . the pipe 240 comprises therein a spray tube 241 and a water absorbing tube 242 . the spray tube 241 connects the sprinkler head 130 and the clean water chamber 220 . the water absorbing tube 242 connects the water absorbing scraper 140 and the dirty water chamber 230 . the spray motor 250 is disposed at the tank 210 to withdraw unused clean water from the clean water chamber 220 with the spray tube 241 . then , the unused clean water thus withdrawn is driven and delivered to the sprinkler head 130 by means of the spray motor 250 . the air intake motor 260 is disposed at the tank 210 to reduce the internal pressure of the dirty water chamber 230 to vacuum pressure , such that the used dirty water is raked by the water absorbing scraper 140 and delivered to the dirty water chamber 230 by means of the water absorbing tube 242 . a plurality of mobile rollers 270 is disposed at the bottom of the tank 210 . the mobile rollers 270 enable the user to move the water collection system design 200 of the electric sweeping washing device 1000 easily . the process of cleaning the window 1 with the electric washing device 3000 entails following the steps described hereunder . the water absorbing scrubbing roller brush 120 of the washing brush 100 is driven by the washing brushed motor 121 to scrub the window 1 . the sprinkler head 130 faces the water absorbing scrubbing roller brush 120 and washes off tiny dust and dirty water otherwise adhered to the water absorbing scrubbing roller brush 120 as a result of scrubbing the window 1 , thereby keeping the water absorbing scrubbing roller brush 120 clean and wet enough to remove the tiny dust and smears from the window 1 repeatedly . the water absorbing scraper 140 presses against the water absorbing scrubbing roller brush 120 in order to rake dirty water and tiny dust and delivers to the dirty water chamber 230 the dirt and dirty water adhered to the water absorbing scrubbing roller brush 120 as a result of scrubbing the window 1 . hence , the water absorbing scrubbing roller brush 120 is kept clean all the time and thus fit to clean the window 1 repeatedly . referring to fig9 through fig1 , there are shown schematic views of operation of the electric sweeping washing device according to the third embodiment of the present invention , wherein the washing brush 100 and the window 1 are shown . during the process of cleaning the window 1 with the water absorbing scrubbing roller brush 120 , the clean water stored in the clean water chamber 220 is taken in by the spray motor 250 , delivered by the spray tube 241 , and sprinkled by the sprinkler head 130 onto the water absorbing scrubbing roller brush 120 to thereby remove dust or dirt from the water absorbing scrubbing roller brush 120 . the air intake motor 260 reduces the internal pressure of the dirty water chamber 230 to vacuum pressure , such that the water absorbing scraper 140 rakes dust - containing or dirt - containing dirty water on the water absorbing scrubbing roller brush 120 and delivers the dirty water to the water absorbing tube 242 , and in consequence the dirty water is collected in the dirty water chamber 230 . furthermore , redundant water on the window 1 is efficiently removed by the water collecting scraper 150 and absorbed by the scrubbing roller brush . before starting to use the electric sweeping washing device 3000 , the user may take out the clean water chamber 220 and fill it with clean water ( i . e ., unused clean water .) after the clean water has run out and turned into dirty water ( i . e ., used dirty water ) and thus has been stored in the dirty water chamber 230 , the user can take out the dirty water chamber 230 and empty the dirty water chamber 230 . hence , to clean the window 1 , it is not necessary for the user to sprinkle clean water onto the window 1 or wash a wiper before scrubbing the window 1 . furthermore , the water absorbing scrubbing roller brush 120 is kept clean all the time and driven by the washing brushed motor 121 to scrub the window 1 continuously . referring to fig1 , the sprinkler head 130 is disposed on one side of the water absorbing scrubbing roller brush 120 , whereas the water absorbing scraper 140 is disposed on the other side of the water absorbing scrubbing roller brush 120 . in so doing , not only is the water absorbing scrubbing roller brush 120 cleaned efficiently , but the water absorbing scraper 140 also removes dirty water from the water absorbing scrubbing roller brush 120 efficiently . in conclusion , the present invention provides an electric washing device characterized by a sprinkler head , a water absorbing scraper , a clean water chamber , a dirty water chamber , and a pipe which together keep a water absorbing scrubbing roller brush clean all the time , such that a user cleaning a window need not sprinkle water onto the window or rinse a wiper repeatedly in order to clean the window glass . accordingly , the electric washing device of the present invention is effective in speeding up the cleaning process and preventing dirty water from landing on the floor . the present invention is disclosed above by preferred embodiments . however , persons skilled in the art should understand that the preferred embodiments are illustrative of the present invention only , but should not be interpreted as restrictive of the scope of the present invention . hence , all equivalent modifications and replacements made to the aforesaid embodiments should fall within the scope of the present invention . accordingly , the legal protection for the present invention should be defined by the appended claims .