JP2020202782A5 - - Google Patents

Claims (10)

It is a fish-collecting light device that is attached to a fishing boat and collects a school of fish by irradiating it with light.
A light source unit having at least one light emitting diode and a reflector whose top is arranged so as to face the light source unit on the optical axis of the light source unit and reflects light from the light source unit in a peripheral direction away from the optical axis. And with
The reflective surface of the reflector has a substantially conical shape or a substantially conical trapezoidal side surface shape .
The light source unit is a planar light source configured by arranging a plurality of first light emitting diodes and a plurality of second light emitting diodes that emit light having a shorter wavelength than the first light emitting diode on a substrate. The fish collecting lamp device is characterized in that the plurality of first light emitting diodes are arranged on the outer peripheral portion of the substrate, and the plurality of second light emitting diodes are arranged on the inner peripheral portion of the substrate . The fish collecting lamp device according to claim 1, wherein the reflecting surface has a substantially conical shape or a substantially conical trapezoidal side surface shape centered on the optical axis. The fish collecting lamp device according to claim 1 or 2, wherein the reflecting surface has a substantially conical shape or a substantially conical trapezoidal side surface shape. The fish collecting lamp device according to claim 3, wherein the reflecting surface has a shape of a generatrix having a concave curve or a convex curve in a plane including the optical axis. Further provided with a cup-shaped translucent cover that covers the front surface of the light source unit,
The fish collecting lamp device according to any one of claims 1 to 4, wherein the reflector is arranged on the front surface in the translucent cover. A claim characterized in that a light source-reflector unit composed of the light source unit and the reflector arranged on the optical axis of the light source unit is arranged in a plurality of stages along the optical axis. Item 5. The fish collecting light device according to any one of Items 1 to 5 . The fish collecting lamp device according to claim 6 , wherein each light source-reflector unit in the light source-reflector unit arranged in a plurality of stages is superimposed so as to be oriented in the same direction with respect to the optical axis. .. The fish collection according to claim 6 , wherein each light source-reflector unit in the light source-reflector unit arranged in a plurality of stages is superimposed alternately with respect to the optical axis in opposite directions. Lighting device. Further, a drive control unit for driving the light source-reflector unit arranged in a plurality of stages is further provided, and the drive control unit has the same light source unit in the light source-reflector unit in which the plurality of stages are superimposed. The fish collecting lamp device according to any one of claims 6 to 8 , wherein the fish collecting lamp device is configured to control light emission with a light emission intensity or a light emission color. Further, a drive control unit for driving the light source-reflector unit arranged in a plurality of stages is further provided, and the drive control unit is different from each other in the light source unit in the light source-reflector unit in which the plurality of stages are superimposed. The fish collecting lamp device according to any one of claims 6 to 8 , wherein the fish collecting lamp device is configured to control light emission with a light emission intensity or a light emission color.