Vacuum cleaner

Abstract

Provided is a vacuum cleaner. The vacuum cleaner includes a cleaner body including a suction motor for generating a suction force, a suction part communicating with the cleaner body to suction air and dusts, and a battery assembly disposed on the cleaner body or the suction part to supply a power to the suction motor. The battery assembly includes a plurality of battery cells and a support device supporting the plurality of battery cells so that the plurality of battery cells are spaced apart from each other.

What is claimed is: 
     
         1 . A vacuum cleaner comprising:
 a cleaner body comprising a suction motor for generating suction;   a suction part communicating with the cleaner body to suction air and dust particles; and   a battery assembly disposed on the cleaner body or the suction part to supply power to the suction motor,   wherein the battery assembly comprises:   a plurality of battery cells; and   a support device to support the plurality of battery cells and arrange the plurality of battery cells to be spaced apart from each other.   
     
     
         2 . The vacuum cleaner according to  claim 1 , wherein the plurality of battery cells are arranged in parallel by the support device and connected to each other in series. 
     
     
         3 . The vacuum cleaner according to  claim 2 , wherein, in two adjacent battery cells of the plurality of battery cells, a direction of a first pole of one battery cell is opposite to that of a first pole of the other battery cell. 
     
     
         4 . The vacuum cleaner according to  claim 1 , wherein the support device comprises:
 a first support to support a first side of the plurality of battery cells; and   a second support to support a second side of the plurality of battery cells,   wherein the first and second supports are spaced apart from each other in the state where the first and second supports support the plurality of battery cells.   
     
     
         5 . The vacuum cleaner according to  claim 4 , wherein the first and second supports comprise:
 a support body; and   a cell cover extending from the support body to surround a portion of the plurality of battery cells.   
     
     
         6 . The vacuum cleaner according to  claim 5 , further comprising a plurality of conductors for connecting a first pole of one battery cell to a second pole of another battery cell of the plurality of battery cells, wherein the plurality of conductors are disposed on each of the supports. 
     
     
         7 . The vacuum cleaner according to  claim 6 , wherein the support body of the first and second supports define a plurality of holes in which the plurality of conductors are disposed. 
     
     
         8 . The vacuum cleaner according to  claim 6 , further comprising a battery management system to manage a voltage of the plurality of battery cells connected to the plurality of conductors. 
     
     
         9 . The vacuum cleaner according to  claim 8 , further comprising a battery cover to cover the plurality of battery cells, the support device, and the battery management system,
 wherein the battery management system is disposed on the battery cover.   
     
     
         10 . The vacuum cleaner according to  claim 1 , wherein the battery assembly comprises a plurality of battery units each of which comprises the plurality of battery cells, and
 the plurality of battery units are supported by support devices, respectively.   
     
     
         11 . The vacuum cleaner according to  claim 10 , wherein the plurality of battery units are connected to each other in series. 
     
     
         12 . The vacuum cleaner according to  claim 1 , wherein the plurality of battery cells are arranged in a zigzag configuration in the state where the plurality of battery cells are supported by the support devices. 
     
     
         13 . The vacuum cleaner according to  claim 1 , wherein the battery assembly further comprises:
 a battery cover to cover the plurality of battery cells and the support devices;   a motor housing to accommodate the suction motor; and   a contact rib disposed on the motor housing to contact an upper portion of the battery cover and press against the battery cover.   
     
     
         14 . The vacuum cleaner according to  claim 1 , wherein the battery assembly further comprises:
 a battery cover to cover the plurality of battery cells and the support devices;   a cover guide disposed on the battery cover; and   a body guide disposed on the cleaner body to contact the cover guide to prevent the cover guide from moving.   
     
     
         15 . The vacuum cleaner according to  claim 14 , wherein the cover guide is inserted into the body guide, or the body guide is inserted into the cover guide. 
     
     
         16 . The vacuum cleaner according to  claim 14 , wherein at least one cover guide is disposed on the battery cover,
 a plurality of body guides are disposed on the cleaner body, and   at least one cover guide is disposed between the plurality of body guides.   
     
     
         17 . The vacuum cleaner according to  claim 1 , further comprising a plurality of wheels coupled to the cleaner body,
 wherein the suction motor is disposed between the plurality of wheels,   the battery assembly is disposed between one wheel of the plurality of wheels and the suction motor, and   the plurality of battery cells are disposed such that a longitudinal direction of the plurality of battery cells is parallel to an extension direction of a shaft of the wheel.   
     
     
         18 . The vacuum cleaner according to  claim 1 , further comprising a battery charger disposed on the cleaner body to convert a received power into a DC voltage and supply the converted DC voltage to the battery assembly. 
     
     
         19 . A vacuum cleaner comprising:
 a cleaner body comprising a suction motor to generate suction;   a suction part that communicates with the cleaner body to suction air and dust particles;   a plurality of battery cells disposed on the cleaner body or on the suction part to supply power to the suction motor,   a support device to support the plurality of battery cells such that the plurality of battery cells are arranged in parallel; and   a conductor disposed on the support device to connect the plurality of battery cells to each other in series.   
     
     
         20 . The vacuum cleaner according to  claim 19 , wherein the support device comprises:
 a first support to support a first side of the plurality of battery cells: and   a second support to support a second side of the plurality of battery cells,   wherein at least two of the plurality of battery cells are spaced apart from each other in the state where the battery cells are supported by the support device.