A helmet

Abstract

A helmet includes a dome portion configured to fit on a human head, the dome portion having a visor and an opening provided subjacent to the visor; a cooling unit fitted into the opening of the dome portion, the cooling unit configured to pull ambient air and provide cool air within an inner space of the dome portion; and an electronic module in communication with the cooling unit, the electronic module configured to operate the cooling unit for attaining a desired temperature and airflow within the dome portion.

1 .- 19 . (canceled) 
     
     
         20 . A helmet, comprising:
 a dome portion configured to fit on a human head, wherein the dome portion has a visor and an opening provided subjacent to the visor;   a cooling unit fitted into the opening of the dome portion, wherein the cooling unit is configured to pull ambient air and provide cool air within an inner space of the dome portion; and   an electronic module in communication with the cooling unit, wherein the electronic module is configured to operate the cooling unit for attaining a desired temperature and airflow within the dome portion.   
     
     
         21 . The helmet as claimed in  claim 20 , wherein the electronic module comprises:
 a cell holder configured to receive one or more battery cells, wherein the one or more battery cells supply power to the cooling unit;   a charging unit configured to charge the one or more battery cells in the cell holder; and   a controller configured to control operation of the cooling unit thereby attaining a desired temperature and airflow within the dome portion of the helmet.   
     
     
         22 . The helmet as claimed in  claim 20 , wherein the electronic module is disposed at a rear portion, substantially opposite to the opening of the dome portion. 
     
     
         23 . The helmet as claimed in  claim 20 , wherein the electronic module is disposed subjacent to the visor and disposed at least one of a right side and a left side of the cooling unit. 
     
     
         24 . The helmet as claimed in  claim 21 , wherein the cooling unit comprises:
 a housing having a front wall;   a vent defined in the front wall;   a top member;   a bottom member;   a cut-out portion defined in the bottom member;   a pair of side walls extending between the top member and the bottom member; and   an outlet member extending between the pair of side walls.   
     
     
         25 . The helmet as claimed in  claim 24 , wherein
 the cooling unit comprises a holder having a recessed portion,   the holder is configured to receive the bottom member of the housing, and   in an assembled state, the recessed portion coincides with the cut-out portion of the bottom member of the housing.   
     
     
         26 . The helmet as claimed in  claim 24 , wherein
 the cooling unit comprises a fan disposed in the vent defined in the front wall, and   the fan is configured to pull ambient air from atmosphere.   
     
     
         27 . The helmet as claimed in  claim 26 , wherein
 the cooling unit comprises:
 a filter disposed adjacent to the fan, wherein the filter is configured to filter ambient air pulled from atmosphere prior to the fan; and 
 an inlet cap configured to secure the filter. 
   
     
     
         28 . The helmet as claimed in  claim 26 , wherein
 the cooling unit comprises a thermoelectric module disposed in the cut-out portion of the bottom member of the housing, and   the thermoelectric module is configured to be connected to the one or more battery cells of the electronic module and thereby, upon supply of power, generate a cool surface and a hot surface.f   
     
     
         29 . The helmet as claimed in  claim 28 , wherein
 the cooling unit comprises a heatsink disposed on top of the cool surface of the thermoelectric module, and   the heatsink is configured to cool ambient air pulled in by the fan.   
     
     
         30 . The helmet as claimed in  claim 28 , wherein
 the cooling unit comprises a phase changing material storage unit disposed subjacent to the hot surface of the thermoelectric module, and   the phase changing material storage unit is configured to dissipate heat from the thermoelectric module.   
     
     
         31 . The helmet as claimed in  claim 20 , wherein the inner space of the dome portion comprises a polystyrene foam member configured to provide protection to the human head on impact. 
     
     
         32 . The helmet as claimed in  claim 26 , wherein the outlet member comprises at least one or more orifices configured to allow passage of cooled air within the inner space of the dome portion. 
     
     
         33 . The helmet as claimed in  claim 29 , wherein an angle formed between the heatsink and the fan is 70°. 
     
     
         34 . The helmet as claimed in  claim 29 , wherein an angle formed between the heatsink and the outlet member ranges from 42° to 52°. 
     
     
         35 . A method of assembling a helmet including: a dome portion having a visor and an opening formed subjacent to the visor; a cooling unit fitted into the opening, the cooling unit having a housing, a holder, a fan, an inlet cap, an outlet member, a filter, a heatsink, a thermoelectric module and a phase changing material storage unit; and an electronic module in communication with the cooling unit, the electronic module having a cell holder, a charging unit and a controller, the method comprising:
 assembling the cooling unit on the dome portion of the helmet, wherein the cooling unit is configured to pull ambient air and cool a human head;   assembling the electronic module on the dome portion of the helmet, wherein the electronic module is configured to operate the cooling unit for attaining a desired temperature and airflow within an inner space of the dome portion; and   connecting one or more wires from one or more cells disposed in the electronic module to the fan and the thermoelectric module disposed in the cooling unit.   
     
     
         36 . The method as claimed in  claim 35 , wherein assembling the electronic module on the dome portion of the helmet comprises:
 welding one or more battery cells with interconnect;   assembling one or more terminals in the cell holder;   assembling the controller and the charging unit;   connecting one or more wires between the controller and the one or more terminals in the cell holder; and   closing a cover on the cell holder.   
     
     
         37 . The method as claimed in  claim 35 , wherein assembling the cooling unit on the dome portion of the helmet comprises:
 assembling the thermoelectric module in a cut-out portion defined in a bottom member of the housing;   assembling the heatsink on top of a cool surface of the thermoelectric module;   assembling the fan in a vent defined in a front wall of the housing;   filling the phase changing material module with phase changing material;   assembling the phase changing material module subjacent to a hot surface of the thermoelectric module;   placing the filter in front of the fan;   assembling the inlet cap; and   assembling a plurality of sensors in the housing.   
     
     
         38 . The method as claimed in  claim 35 , wherein connecting one or more wires from one or more battery cells disposed in the electronic module to the fan and the thermoelectric module disposed in the cooling unit comprises assembling a polystyrene foam member underneath the dome portion of the helmet.