Dish Washer

Abstract

A dish washer is disclosed, in which assembly of the dish washer is improved, and an error operation and trouble of a driver due to water leaked in a base can be avoided. To this end, the dish washer includes a tub ( 3 ) provided with a space for washing the dishes and a communication hole ( 3 a ) formed on the bottom, a base ( 100 ) fixed to the bottom of the tub ( 3 ), having a plane portion ( 100 a ) which is not connected with the outside, a sump assembly ( 200 ) provided in the plane portion of the base and fixed to the tub ( 3 ) while shielding the communication hole ( 3 a ) of the bottom, having a sump ( 220 ) and a driver ( 210 ), wherein washing water is received in the sump ( 220 ) and the driver ( 210 ) transmits a driving force to the sump ( 220 ), and a leakage sensing device ( 300 ) provided in the base ( 100 ), sensing a water level of washing water leaked in the base ( 100 ). Thus, assembly of the dish washer can be improved, and also life span of the driver can be increased.

1 . A dish washer comprising: a tub provided with a space for washing dishes and a communication hole formed on a bottom thereof; a base fixed to the bottom of the tub, having a plane portion; a sump assembly provided in the plane portion of the base and fixed to the tub, the assembly having a sump and a driver, wherein washing water is received in the sump and the driver supplies a driving force to the sump; and a leakage sensing device provided in the base, sensing a water level of washing water leaked in the base. 
   
   
       2 . The dish washer as claimed in  claim 1 , wherein the leakage sensing device includes: a float ascending and descending depending on the water level of the leaked washing water; a guide portion guiding ascent and descent of the float; and a sensor sensing the water level of the leaked washing water to transmit a sensed signal to a microcomputer. 
   
   
       3 . The dish washer as claimed in  claim 2 , wherein the float includes a material of Styrofoam. 
   
   
       4 . The dish washer as claimed in  claim 2 , wherein the float is a hollow floating material. 
   
   
       5 . The dish washer as claimed in  claim 2 , wherein the sensor includes: a first sensor ascending and descending along with the float; and a second sensor provided at a position corresponding to the first sensor to transmit information of water level to a microcomputer in contact with the first sensor if the washing water is received in the base until the washing water reaches the driver. 
   
   
       6 . The dish washer as claimed in  claim 2 , wherein the sensor further includes a sensor guide that surrounds the float. 
   
   
       7 . The dish washer as claimed in  claim 1 , wherein the driver includes: a motor; guide ribs provided in the plane portion of the base to space the motor apart from the plane portion; and a motor bracket for fixing the motor to the guide ribs. 
   
   
       8 . The dish washer as claimed in  claim 7 , wherein the guide ribs have a height higher than the ascent height of the float. 
   
   
       9 . The dish washer as claimed in  claim 7 , wherein the guide ribs are respectively provided at both sides around an axis of the motor. 
   
   
       10 . The dish washer as claimed in  claim 7 , wherein the motor bracket is screwed onto the guide ribs. 
   
   
       11 . The dish washer as claimed in  claim 1 , wherein the bottom of the tub constituting the communication hole is stepped. 
   
   
       12 . The dish washer as claimed in  claim 11 , wherein the sump assembly further includes a plurality of clamp hooks provided above the sump to fixably hang the sump onto the stepped portion of the bottom.