Solar cell street lights with cooling function

1 . A solar cell street lights with a cooling device for streetlight head portion, where a battery ( 1 ) and a light emitting diode (LED) module are accommodated together and a solar panel is mounted, comprising:

a vertical pillar ( 100 ) fixed to a ground at a lower end of the vertical pillar ( 100 ) and having a first hollow portion ( 101 ) formed along it's body and an air inlet ( 102 ), through which an external air is introduced, communicated with the first hollow portion ( 101 );

a hollow mounting rod ( 110 ) obliquely connected upward from one side of an upper end portion of the vertical pillar ( 100 ) and having a second hollow portion ( 112 ) communicated with the first hollow portion ( 101 ) and formed along the body of the hollow mounting rod ( 110 );

a lower housing ( 120 ) having a receiving portion ( 121 ) for receiving the battery ( 1 ) formed on one side of the lower housing ( 120 ), a mounting hole ( 122 ) for mounting the LED module ( 700 ) formed on the other side of the lower housing ( 120 ); and one end connected to the hollow mounting rod ( 110 ) to be communicated with the second hollow portion ( 112 ); and

an upper housing ( 130 ) mounted on an upper surface portion of the lower housing ( 120 ) to form an internal space (A) together with the lower housing ( 120 ) and having one end connected to the hollow mounting rod ( 110 ) to be communicated with the second hollow portion ( 112 ), an air outlet ( 131 ) for discharging air introduced through an air inlet ( 102 ), and a mounting plate ( 2 ), on which the solar panel is mounted and fixed, formed on an outer surface of the upper housing ( 130 );

wherein the external air introduced through the air inlet ( 102 ) passes through the vertical pillar ( 100 ), the hollow mounting rod ( 110 ), and the receiving portion ( 121 ), and is discharged through the air outlet ( 131 ); and

wherein the receiving portion ( 121 ) comprises an opening ( 121 a ) for insertion and removal of the battery ( 1 ) formed at a lower portion of the receiving portion ( 121 ); a side wall ( 121 b ) formed around a lateral circumference of the receiving portion ( 121 ); a plurality of seating ribs ( 121 c ) formed on a floor surface of the receiving portion ( 121 ) where the battery ( 1 ) is placed; a through-hole ( 121 d ) communicating with the internal space (A) formed between the plurality of seating ribs ( 121 c ); and a cover ( 121 e ) for opening and closing the opening ( 121 a ), so that it allows a heat released from the battery ( 1 ) to be discharged through the through holes ( 121 d ) and the air introduced from the hollow mounting rod ( 110 ) to flow near the through-hole ( 121 d ), thereby carrying the battery's heat with the air and eventually being discharged through the air outlet ( 131 ).

2 . The solar cell street lights of claim 1 , wherein an air guide ( 140 ) is detachably coupled to a floor surface of the receiving portion ( 121 ), so as to guide the air, which is introduced from the hollow mounting rod ( 110 ) toward the air outlet ( 131 ) and the air guide ( 140 ) includes a top plate ( 141 ) facing the floor surface of the receiving portion ( 121 ), a pair of side plates ( 142 ) formed to face each other at edges of the top plate ( 141 ), an air channel ( 145 ) formed between the pair of side plates ( 142 ), a plurality of air pipes ( 143 ) arranged across the air channel ( 145 ) and coupled at both ends to the pair of side plates ( 142 ) and through which the air introduced from the hollow mounting rod ( 110 ) passes, and an arc-shaped guide plate ( 144 ) extending from the pair of side plates ( 142 ) to guide the air, that has passed through the air pipes ( 143 ), toward the air outlet ( 131 ).

3 . The solar cell street lights of claim 2 , wherein among the plurality of air pipes ( 143 ), at least one air pipe ( 143 a ) is disposed to pass through the arc-shaped guide plate ( 144 ) and extends over the upper side of the LED module.

4 . The solar cell street lights of claim 3 , further comprises a heat sink ( 600 ) that is coupled to the at least one air pipe ( 143 a ) and dissipates the heat generated from the LED module ( 700 ).

5 . The solar cell street lights of claim 2 , wherein air inlets/outlets ( 125 ) are formed on both opposing side surface portion of the lower housing ( 120 ) and are communicated with the air channel ( 145 ) of the air guide ( 140 ).

6 . The solar cell street lights of claim 2 , wherein the vertical pillar ( 100 ) is equipped with a blocking member ( 30 ) that blocks both side portions and the upper portion of the air inlet ( 102 ); a bottom member ( 31 ) that blocks a lower portion of the air inlet ( 102 ) and has multiple through-holes formed therein; and a plug member ( 40 ) that opens and closes each of the through-holes.

7 . The solar cell street lights of claim 2 , further comprises:

a fan member ( 200 ) that rotates by natural wind is rotatably mounted on the upper end portion of the vertical pillar ( 100 );

a generator that generates electricity by the rotation of the fan member ( 200 );

a protective member ( 1 a ) that surrounds the battery and has a heating wire that receives electric energy from the generator and generates heat;

a sensor member that senses a heating temperature of the battery; and

a switch that selectively supplies electric energy generated from the generator to the battery or the heating wire according to the sensing temperature of the sensor member.

8 . The solar cell street lights of claim 1 , wherein an air guiding groove ( 132 ) connected to the air outlet ( 131 ) is formed on an outer surface of the upper housing ( 130 ).

9 . The solar cell street lights of claim 1 , wherein an auxiliary mounting rod ( 115 ) is connected obliquely downward from the other side of the upper end portion of the vertical pillar ( 100 ) and has a third hollow portion ( 115 a ) formed in communication with the first hollow portion ( 101 ) and the second hollow portion ( 112 ); a pair of support brackets ( 116 a and 116 b ) are coupled to the hollow mounting rod ( 110 ) and the auxiliary mounting rod ( 115 ); and a panel support frame ( 117 ) for supporting another solar panel is fixed to the pair of support brackets ( 116 a and 116 b ).

10 . The solar cell street lights of claim 9 , wherein a spacing space (B) is formed between the panel support frame ( 117 ) and the solar panel.

11 . The solar cell street lights of claim 1 , further comprises an alarm member ( 400 ) for generating an alarm sound, high frequency or low frequency formed on the upper housing, when a bird approaches the upper housing ( 130 ), thereby preventing the approach of birds and preventing contamination of the solar panel by excrement.

12 . The solar cell street lights of claim 1 , further comprises:

a hollow air conduit ( 500 ) placed in parallel to the vertical pillar ( 100 ), allowing the external air to be drawn in from below; and

a nozzle ( 510 ) connected to the upper end portion of the hollow air conduit ( 500 ), which blows the external air from the bottom of the hollow air conduit ( 500 ) toward the solar panel.

13 . The solar cell street lights of claim 1 , wherein at least one air passage pipe ( 129 ) penetrating the receiving portion ( 121 ) is arranged in the receiving portion ( 121 ) so as to dissipate heat from a circuit board received in the receiving portion ( 121 ).