Endoscopic device and heat radiator
An endoscopic device includes a manipulator body and an insertion portion including opposed respective proximal and distal ends. The insertion portion is connected to the manipulator body via the proximal end. A first heat generator is configured to be attached to the manipulator body. A heat radiator is configured to be detachably attached to the manipulator body and is thermally connected to the first heat generator. The heat radiator includes at least one air inlet port through which air flows in and at least one air outlet port having an area smaller than an area of the at least one air inlet port.
1. An endoscopic device comprising:
a manipulator body;
an insertion portion having opposed respective proximal and distal ends wherein the insertion portion is connected to the manipulator body via the proximal end;
a first heat generator configured to be attached to the manipulator body; and
a heat radiator configured to be detachably attached to the manipulator body and thermally connected to the first heat generator, wherein
the heat radiator includes at least one air inlet port through which air flows in and at least one air outlet port having an area smaller than an area of the at least one air inlet port.
2. The endoscopic device of claim 1 , wherein the at least one air inlet port is located in a lower elevation with respect to the at least one air outlet port so as to form pressure differential for air circulation.
3. The endoscopic device of claim 2 , wherein the at least one air outlet port is located in higher elevation with respect to the first heat generator.
4. The endoscopic device of claim 3 , wherein the heat radiator is a first heat radiator and the endoscopic device further comprising
a second heat generator configured to be attached to the manipulator body; and
a second heat radiator disposed outside of the manipulator body and thermally connected to the second heat generator, wherein
the at least one air outlet port is located in facing relation to the second heat radiator.
5. The endoscopic device of claim 1 , wherein the at least one air outlet port includes a through hole located for discharging the heat generated by the first heat generator and directed to the heat radiator in a predetermined direction in the manipulator body.
6. The endoscopic device of claim 1 , wherein the heat radiator is a first heat radiator and the endoscopic device further comprising:
a second heat generator configured to be attached to the manipulator body; and
a second heat radiator on which the second heat generator is mounted, the second heat radiator being disposed outside of the manipulator body and thermally connected to the second heat generator, wherein
the at least one air outlet port includes a through hole located for discharging the heat generated by the first heat generator and directed to the heat radiator in a direction toward the second heat radiator.
7. The endoscopic device of claim 6 , wherein the at least one air outlet port provides fluid communication between a space and a gap, the space being formed in the first heat radiator that discharges the heat generated from the first heat generator, the gap being formed between the manipulator body and the first heat radiator, the heat generated from the second heat generator being discharged into the gap.
8. The endoscopic device of claim 6 , wherein the second heat generator is defined by an electronic board.
9. The endoscopic device of claim 1 , wherein
the first heat generator being defined by a light source; and
the light source and the heat radiator in combination form a light source unit that detachably mounted on the manipulator body.
10. The endoscopic device of claim 1 , wherein
the heat radiator has a plurality of heat radiating members, a plate on which the heat radiating members are erected, and a wall closing portions of gaps defined between facing ones of the heat radiating members, making the gaps into heat radiating spaces; and
the at least one air inlet port includes open ends on respective end faces of the heat radiating members which face each other across the heat radiating spaces.
11. The endoscopic device of claim 10 , wherein the at least one air outlet port is defined in the wall and held in fluid communication with the heat radiating spaces.
12. The endoscopic device of claim 10 , wherein the plate has a plurality of through holes defined therein and having openings that are open in a surface thereof near the wall and other openings that open in a surface thereof remote from the wall.
13. The endoscopic device of claim 12 , wherein the plate and the heat radiating members have inclined holes defined therein and joined to intermediate portions of the through holes.
14. The endoscopic device of claim 13 , wherein the inclined holes are joined to the through holes in respective intersecting regions that are positioned above the first heat generator.
15. The endoscopic device of claim 10 , wherein
the plate has a plurality of grooves that are defined in a joining surface thereof and wherein
the plate and the manipulator body forms through holes at the plurality of the grooves when the plurality of the grooves are closed by the manipulator body.
16. The endoscopic device of claim 1 , wherein the first heat generator is defined by a light source unit having a light source.
17. An endoscope device comprising:
a manipulator body;
an insertion portion having opposed respective proximal and distal ends wherein the insertion portion is connected to the manipulator body via the proximal end;
a light source unit configured to be detachably attached to the manipulator body, the light source unit includes a heat radiator used to dissipate heat produced by the light source unit during an operation of the endoscope device wherein the heat radiator includes one or more air passages configured to dissipate the heat away from the endoscope device.