TWI752414B - fish light device - Google Patents

Abstract

[Problem] Even when an LED light source is used, it is possible to irradiate light in a 360-degree direction with an optical axis as the center, and to provide a fish-collecting lamp device that can efficiently catch fish. [Solution] A fish-collecting lamp device that is mounted on a fishing boat and that irradiates a school of fish to gather fish includes: a light source portion having at least one LED; and a reflector, the top of which is arranged on the optical axis of the light source portion and the light source portion Opposite, and reflect the light from the light source in a peripheral direction away from the optical axis. The reflective surface of the reflector has a slightly conical or slightly truncated conical side shape.

Description

fish light device

Field of Invention

The present invention relates to a fish-collecting lamp device, which is installed on a fishing boat, and is used for attracting squid, fish, etc. by using the light on the boat, thereby enabling efficient fishing.

Background of the Invention

A light irradiating device that irradiates light on the sea surface or in the sea to gather fish, namely a fish collecting lamp, is installed at a position above the hull of a fishing boat, and is configured to irradiate the sea surface with light from a plurality of light sources (incandescent lamps, metal halide lamps). . In particular, fishing boats for squid, etc., light up the fish-collecting lamps at night to illuminate the water surface on both sides of the hull, and use the habit of squid to gather near the hull to catch them.

In recent years, in order to save electricity and reduce the fuel cost of fishing boats, a fish-collecting lamp device has been proposed that uses a light emitting diode (LED) as a light source instead of an incandescent lamp or a metal halide lamp (see, for example, Patent Document 1).

As shown in FIG. 10, a plurality of LEDs are arranged on a substrate in a matrix to form a panel-type LED fish-collecting lamp 1, and the panel-type LED fish-collecting lamp 1 can be arranged in such a manner. The position of the sea surface above the deck of the fishing boat S is irradiated at a predetermined angle. prior art literature Patent Literature

[Patent Document 1] International Publication No. 2006/123449

Summary of Invention The problem to be solved by the invention

However, according to the fish-collecting lamp device provided with such a panel-type LED fish-collecting lamp, the fuel consumption can be suppressed due to the low power consumption, but the fishing yield cannot be obtained as in the case of using the conventional metal halide lamp. As a result of studying and examining the reasons for this, the inventors of the present application have come to the following knowledge: a fish-collecting lamp using a metal halide lamp irradiates light in an all-round direction, whereas a panel-type LED fish-collecting lamp is limited in the direction of the illumination direction of the panel, Therefore, the fishing volume may not be able to grow.

That is, as described in Patent Document 1, according to the panel-type LED fish-collecting lamp, since the irradiation direction of light is limited instead of the entire circumferential direction, it is inferred that when catching squid or the like, it may have a great influence on the fishing yield. Furthermore, since the irradiated surface of the panel-type LED fish light is flat, there is a problem of being susceptible to cross winds.

Therefore, an object of the present invention is a fish-collecting lamp device, which can irradiate light in a 360-degree direction with an optical axis as the center even when an LED light source is used, and can efficiently replenish fish.

Another object of the present invention is to provide a fish lamp device that can irradiate light in a 360-degree direction with the optical axis as the center, and can irradiate a larger amount of light even when an LED light source is used. means of solving problems

According to the present invention, a fish collecting light device is a fish collecting light device installed on a fishing boat and used to gather fish by irradiating light, comprising: a light source part having at least one light emitting diode (LED); and a reflector , which is arranged so that the top portion faces the light source portion on the optical axis of the light source portion, and reflects the light from the light source portion in a peripheral direction away from the optical axis. In particular, the reflective surface of the reflector has a slightly conical or slightly truncated conical flank shape.

Since the reflective surface of the reflector has a slightly conical or slightly truncated conical side surface, the light from at least one LED is reflected in the peripheral direction away from the optical axis by the reflective surface, so the optical axis can be the center. By irradiating light in a 360-degree direction, it becomes efficient fishing. In addition, in this specification, the so-called "slightly tapered" or "slightly truncated conical shape" means that the cross section of the side surface (including the cross section of the shaft) is a general "conical" or "truncated cone". "Conical" shape includes not only straight lines but also curved lines.

The reflective surface of the reflector preferably has a slightly conical or slightly truncated conical shape with the optical axis as the axis center.

The reflective surface of the reflector also preferably has a slightly conical or slightly circular truncated cone shape.

More preferably, the reflecting surface of the reflector is in the plane containing the optical axis and has the shape of a concavely curved or convexly curved generatrix. Thereby, it is possible to control so that the light from the light source unit is reflected in a desired direction.

It is also preferable to have a cup-shaped translucent cover covering the front surface of the light source part, and the reflector is arranged on the front surface inside the translucent cover.

More preferably, the light source part is a planar light source formed by arranging a plurality of first LEDs and a plurality of second LEDs that emit light having a wavelength shorter than that of the first LEDs on a substrate, and the plurality of first LEDs are arranged on the outer peripheral portion of the substrate, The plurality of second LEDs are arranged on the inner peripheral portion of the substrate.

It is also preferable that the light source-reflector units each constituted by the light source part and the reflector arranged on the optical axis of the light source part are arranged in plural steps overlapping along the optical axis. By arranging the light source-reflector units to overlap and arrange plural stages along the optical axis, light can be irradiated in a 360-degree direction with the optical axis as the center, and a larger amount of light can be irradiated in a wide range.

In this case, it is more preferable that each light source-reflector unit in the plural-order light source-reflector unit is superimposed so as to overlap in the same direction with the optical axis as the center.

Moreover, in this case, it is more preferable that each of the light source-reflector units in the multiple-stage light source-reflector units are alternately overlapped in opposite directions centered on the optical axis.

It is also preferable to further include a drive control part for driving the light source-reflector units arranged in overlapping plural stages, and the drive control part is configured to control the light source parts in the overlapping plural stages of the light source-reflector units to be mutually The same luminous intensity or luminous color, or different luminous intensity or luminous color emits light. Invention effect

According to the present invention, since the reflective surface of the reflector has a slightly conical or slightly truncated conical shape, the light from at least one LED can be reflected in the peripheral direction away from the optical axis by the reflective surface. Therefore, it is possible to provide a fish-collecting light device that irradiates light in a 360-degree direction about the optical axis, and can perform efficient fishing. The outer diameter of the fish-collecting light device is a slightly cylindrical shape, so the influence of not only crosswinds but also all-round winds is reduced, and the steering stability of the fishing boat can be improved.

In addition, the light source-reflector unit is composed of a light source part and a reflector arranged on the optical axis of the light source part, and each light source-reflector unit is overlapped and arranged in plural steps along the optical axis, thereby providing a kind of optical axis that can be The center irradiates light in a 360-degree direction, and a larger amount of light can be irradiated to a wide range of the fish-collecting light device.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT Hereinafter, embodiments of the fish-collecting lamp device of the present invention will be described with reference to the drawings.

FIG. 1 shows the overall configuration of a fish-collecting lamp device 100 according to a first embodiment of the present invention. FIG. 2 schematically shows an example of the arrangement of the LEDs of the light source part 10 of the fish-collecting lamp device 100 , and the arrangement example of the same figure (A) is a matrix shape, and the same figure (B) is a concentric arrangement example, and the same figure ( C) is an example of centralized arrangement in the central part. FIG. 3 is a schematic diagram showing the light distribution of the fish-collecting lamp device 100 , respectively showing the light distribution of the same figure (A) without the reflector, and the same figure (B) with the reflector according to the present invention. light distribution. FIG. 4 shows the structure of the reflector 20A of the fish light device 100 , FIG. 5 shows the structure of the reflector 20B of the fish light device 100 , and FIG. 6 shows the structure of the reflector 20C of the fish light device 100 . Fig. 7 shows the arrangement state of the fish-collecting light devices 100. The same figure (A) shows an example of arranging one row in a small ship, and the same figure (B) shows an example of arranging two rows in a large ship.

As shown in FIG. 1 , the fish light device 100 according to the first embodiment includes: a light source part 10; The reflector includes a reflective surface 20 a that reflects light from the light source unit 10 to a peripheral direction away from the optical axis 10 a , and a cup-shaped translucent cover 30 covering the front surface of the light source unit 10 . The reflector 20 is disposed inside the transparent cover 30 . In addition, this fish light device 100 also includes a drive control unit (not shown) for driving the light source unit 10 .

The light source unit 10 includes: a substrate 11; at least one high-output LED (light emitting diode) 12 mounted on the surface of the substrate 11 as a light source; Mounting metal fittings 15 for mounting the fish-collecting light device 100 . As the LED 12 of the light source unit 10 , a single-color LED, for example, a blue-based short-wavelength light LED is used. A single LED 12 may be provided on the substrate 11, or a plurality of LEDs 12 may be provided on the substrate 11 as a planar light source. When a plurality of LEDs 12 are provided on the substrate 11, the LEDs 12 may be arranged in a matrix shape as shown in FIG. 2(A), or may be arranged in a concentric shape as shown in FIG. 2(B). Most preferably, as shown in FIG. 2(C) , the LEDs 12 are arranged in a concentrated manner only in the central portion of the substrate 11 . Thereby, the control of light distribution becomes easy. The LED can also use a surface mount type SMD chip or a chip board type COB chip.

In addition, a plurality of LEDs 12 may be constituted by three types of LEDs: blue-based short-wavelength light, green-based medium-wavelength light, and red-based long-wavelength light. In this case, a plurality of blue-based, green-based, and red-based LEDs may be arbitrarily arranged on the substrate 11, respectively, and long-wavelength LEDs (corresponding to the first aspect of the present invention) may also be arranged on the outer periphery of the substrate 11. 1 LED), and an LED (corresponding to the second LED of the present invention) having a wavelength shorter than that of the first LED is arranged in the inner peripheral part (central part). For example, an orange-yellow (white, bulb color) LED is arranged on the outer peripheral portion, and a blue-based color (light blue) LED is arranged on the inner peripheral portion. With this arrangement, the light (a part of) of the orange-yellow LEDs on the outer periphery avoids the reflector 20 and is directly irradiated on the sea surface near the fishing boat, but because the wavelength is long, it does not enter deep into the sea. On the other hand, the light of the light blue LED in the inner peripheral part (center part) is reflected by the reflector 20, and can be irradiated from the sea surface far away from the fishing boat, and can be incident relatively deep into the sea, thereby improving the fish collection effect. In addition, the fish-collecting effect of the light (part of) of the orange-yellow LED is not necessarily high, but since it illuminates the operator's side, the efficiency of the operation on the ship can be improved.

By using the light source unit 10 formed by arranging a plurality of LEDs 12 on the substrate 11 in a matrix, the required amount of light can be easily ensured, and the total power consumption is also lower than that of the conventional metal halide light source or the halide lamp. , can achieve low cost.

As the heat dissipation member 13, a heat dissipation fin made of, for example, an aluminum material is used. Furthermore, by providing the cooling fins 14 in the vicinity of the heat dissipation member 13, the cooling effect is further enhanced.

The reflector 20 has a shape in which the reflection surface (mirror) 20a has a slightly tapered side surface. Here, the "substantially tapered side surface shape" means that the shape of the cross section of the side surface (the cross section including the axis) is a straight line or a curved line. In the present embodiment, the reflection surface 20a has, for example, a conical (straight conical) side surface shape. The vertex of the reflector 20 is located on the optical axis 10a of the light source part 10, and the vertex angle of the reflection surface 20a is appropriately designed so that the desired light distribution characteristic can be obtained, that is, the reflected light from the light source part 10 goes to the desired direction. direction forward.

As shown in FIG. 3(B) , among the light distribution characteristics of the reflector 20, the irradiation angle range θ of the upward light 50a irradiated from the horizontal plane upward is preferably set to θ =5~10 degrees. When the irradiation angle range θ is smaller than this, if the fishing boat shakes, the light from the fish collecting light device 100 is irradiated as if it were on and off. In addition, this irradiation angle range θ can be set by the vertex angle of the reflection surface 20a and the position of the LED12 of the light source part 10. Among the light distribution characteristics of the reflector 20, the downward light 50b that is transmitted toward the bottom of the periphery of the reflector 20 can also be used for irradiation on the sea surface and deck near the ship. If the downward light 50b is required, the diameter (bottom diameter) of the reflector 20 is set to become smaller, and when the downward light 50b is not required, the diameter (bottom diameter) of the reflector 20 is set be larger.

A modified form of the reflector in this embodiment is as shown in FIG. 4 . As shown in FIG. 4 , the reflecting surface 20Aa of the reflector 20A may have a substantially conical side surface in the shape of a concavely curved generatrix in the plane including the optical axis 10a. shape. In this case, as indicated by the arrows in FIG. 4 , the reflected light is irradiated almost horizontally.

Another modification of the reflector in the present embodiment As shown in FIG. 5, the reflecting surface 20Ba of the reflector 20B may have a substantially conical side surface in the shape of a convexly curved generatrix in the plane including the optical axis 10a. shape. In this case, as indicated by the arrows in FIG. 5 , the reflected light is radiated radially.

As shown in FIG. 6, the reflector 20Ca of the reflector 20C may have a slightly truncated cone (truncated right cone) side surface. Here, the term "substantially truncated conical side surface shape" means that the shape of the cross section of the side surface (the cross section including the axis) is a straight line or a curved line.

The light-transmitting cover 30 is made of a light-transmitting resin material, and has a cup shape covering the front surface of the light source unit 10 . On the front surface (the inner bottom surface in FIG. 1 ) inside the light-transmitting cover 30 , the reflector 20 is arranged in a state where the top of the reflector 20 faces the light source unit 10 . The depth of the translucent cover 30 is set according to the height of the reflector 20 and the gap between the light source part 10 and the reflector 20 .

FIG. 7 shows a state in which the fish collecting light device 100 of the present embodiment is installed on a fishing boat. FIG. 7(A) shows an example in which the fish-collecting light device 100 is installed on a small fishing boat Sa of less than 10 tons, for example, and in this case, the fish-collecting light device 100 is arranged in a row in the center of the fishing boat Sa. FIG. 7(B) shows an example in which the fish collecting light device 100 is installed on a large fishing boat Sb of about 10 to 200 tons. In this case, the fish collecting light devices 100 are arranged in two rows on both sides of the fishing boat Sb. As shown in these figures, by suspending a plurality of fish collecting light devices 100 of the present embodiment, light can be efficiently irradiated in a 360-degree direction around the optical axis, and efficient fishing can be performed.

As described above, according to the fish lamp device 100 of the present embodiment, the light source unit 10 is provided with at least one high-output LED 12 ; The reflector is disposed opposite to the light source portion 10 at a distance, and the reflector includes a reflecting surface 20a that reflects the light from the light source portion 10 in a peripheral direction away from the optical axis 10a, and a cup-shaped translucent cover 30 covering the light source portion. On the front surface of the reflector 10, the reflecting surface 20a of the reflector 20 has a slightly conical or slightly truncated conical side shape. Thereby, the light from the LED 12 is reflected in the peripheral direction away from the optical axis 10a by the reflection surface 20a. Therefore, light can be irradiated in a 360-degree direction around the optical axis 10a, and efficient fishing can be achieved. Since the outer diameter of the fish collecting light device is a slightly cylindrical shape, not only the influence of the crosswind but also the influence of the omnidirectional wind is also reduced, so the steering stability of the fishing boat can be improved.

FIG. 8 shows the overall configuration of a fish-collecting lamp device 200 according to the second embodiment of the present invention. As shown in FIG. 8 , the fish lamp device 200 of the present embodiment is a light source-reflector unit 500 composed of a light source unit 10 and a reflector 20 arranged on the optical axis 10a of the light source unit 10 and is superimposed in plural numbers along the optical axis 10a. composed of steps. Each light source-reflector unit 500 has the same configuration as that of the fish lamp device 100 in the first embodiment. That is, the light source unit 10 and the reflector 20 are provided, the top of which is opposed to the light source unit 10 on the optical axis 10a of the light source unit 10 and is spaced apart from the light source unit 10, and the reflector is provided with the light source unit 10. The reflective surface 20a that reflects the light of 10 in the peripheral direction away from the optical axis 10a; and the cup-shaped light-transmitting cover 30, covering the front surface of the light source part 10, the reflective surface 20a of the reflector 20 has a slightly tapered or slightly truncated cone shaped side shape. Moreover, the drive control part 40 for driving the light source part 10 of each stage is provided.

In the fish light device 200 of the present embodiment, the light source-reflector units 500 in which the plurality of light source-reflector units 500 are arranged in a plurality of overlapping stages are overlapped in the same direction with the optical axis 10a as the center. That is, in FIG. 8, the light source 10 of each light source-reflector unit 500 is superimposed so that the reflecting surface 20a (top) of the reflector 20 faces upward. Furthermore, in FIG. 8 , although the light source-reflector units 500 are overlapped at three levels, the number of overlaps may be two levels or more than four levels. In addition, the plurality of light source-reflector units 500 are overlapped with no interval, but of course, the plurality of light source-reflector units 500 may be configured to overlap each other with an interval therebetween.

The fish light device 200 of the present embodiment includes a drive control unit 40 for driving the light source unit 10 of the plurality of light source-reflector units 500 . In the present embodiment, the drive control unit 40 is configured to control the light source units 10 in the light source-reflector unit 500 that overlaps plural steps so as to emit light with mutually different luminous intensities or luminous colors. In a modification of the present embodiment, the drive control unit 40 may be configured to control the light source units 10 in each light source-reflector unit 500 to emit light with the same luminous intensity or luminous color. In this case, even if a plurality of LEDs in the light source portion 10 of the plurality of light source-reflector units 500 are connected in series, the voltage reduction device is not required.

As described above, according to the fish lamp device 200 of the present embodiment, since the plurality of light source-reflector units 500 are arranged in a plurality of steps in the same direction with the optical axis as the center, the light can be irradiated in the 360-degree direction with the optical axis as the center. And it is possible to irradiate a wider range of a larger amount of light. In addition, if the light source parts 10 in each light source-reflector unit 500 are configured to light up in different colors, fish such as squid can be gathered in a wide range, and fishing can be performed efficiently.

FIG. 9 shows the overall structure of the fish collecting lamp device 300 in the third embodiment of the present invention. As shown in FIG. 9 , the fish lamp device 300 of the present embodiment is a light source-reflector unit 500 composed of a light source portion 10 and a reflector 20 disposed on the optical axis 10 a of the light source portion 10 to overlap a plurality of numbers along the optical axis 10 a. composed of steps. Each light source-reflector unit 500 has the same structure as that of the fish lamp device 100 in the first embodiment. That is, the reflector 20 includes a light source unit 10 and a reflector 20, the top of which faces the light source unit 10 on the optical axis 10a of the light source unit 10 and is arranged at a distance from the light source unit 10, and the reflector includes The reflective surface 20a that reflects the light of 10 in the peripheral direction away from the optical axis 10a; and the cup-shaped light-transmitting cover 30, covering the front surface of the light source part 10, the reflective surface 20a of the reflector 20 has a slightly tapered or slightly truncated cone shaped side shape. Moreover, drive control parts 40a and 40b for driving the light source part 10 of each stage are provided.

In the fish light device 300 of the present embodiment, the light source-reflector units 500 in which the plurality of light source-reflector units 500 are arranged to overlap in plural stages are alternately overlapped in the opposite direction centered on the optical axis 10a. That is, in FIG. 9 , in the light source-reflector unit 500 of the uppermost order, the light source 10 is downward, and the reflecting surface 20a (top) of the reflector 20 is upward, and the light source of the lower order is upward. - In the reflector unit 500, the light source 10 is upward, the reflecting surface 20a (top) of the reflector 20 is downward, and in the light source-reflector unit 500 at the lower level, the light source 10 is downward, and the reflecting surface 20a of the reflector 20 is downward (the top of) is upward, in the light source-reflector unit 500 of the lowest order, the light source 10 is upward, and the reflecting surface 20a (the top) of the reflector 20 is downward. Furthermore, in FIG. 9 , the light source-reflector units 500 of 4th order are overlapped, but the number of overlaps may be 2nd order, 3rd order, or 5th order or more. In addition, the plurality of light source-reflector units 500 are overlapped with no interval provided, but of course, the plurality of light source-reflector units 500 may be configured to overlap each other with an interval therebetween.

In the fish lamp devices 100 , 200 , and 300 of the above-described embodiments, the cross-sectional contour in the horizontal direction of the reflecting surface 20 a of the reflector 20 has been described as an example of a quadratic curve shape such as a circle, but the present invention is not limited to this. . For example, it is also possible to use those having a reflective surface composed of a pyramid or a truncated pyramid. That is, the cross-sectional shape may be polygonal.

In addition, in the fish lamp devices 100 , 200 and 300 of the above-mentioned embodiments, the light source unit 10 is described as a planar light source formed by arranging a plurality of LEDs on a substrate in a matrix, concentric or central portion. example, but the present invention is not limited to this. For example, a light source composed of one LED may also be used. Moreover, the light source part 10 which consists of these LEDs can be driven by an alternating current power supply (AC), and can also be driven by a direct current power supply (DC). If AC power is used, it is driven by a built-in conversion unit that converts AC current to DC current.

Furthermore, in the fish lamp device 100 of the above-described embodiment, the light source unit 10 is configured such that long-wavelength LEDs are arranged in the outer peripheral portion, and LEDs with shorter wavelengths than the LEDs are arranged in the inner peripheral portion (central portion). The invention is not limited to this. For example, LEDs with the same emission wavelength may be arranged on the entire surface.

The above-described embodiments are all illustrative of the present invention and not intended to limit the present invention, and the present invention can be implemented by other various modifications and changes. Therefore, the scope of the present invention is defined only by the scope of the patent application and its equivalents. industrial availability

The present invention is suitable for a fish-collecting lamp that utilizes the properties of fishes such as squid, saury, and the like that are aggregated by light reaction to aggregate these fish groups, and a fish-collecting system for fishing boats using the fish-collecting lamp, and the like. Purpose of squid fishing.

1: Panel type LED fish light 10: Light source part 10a: Optical axis 11: Substrate 12: LED 13: heat dissipation components 14: Cooling blades 15: Install metal tools 20, 20A, 20B, 20C: Reflectors 20a, 20Aa, 20Ba, 20Ca: Reflective surface 30: Translucent cover 40, 40a, 40b: Drive Control Section 50a: Light up 50b: Downward Light 100, 200, 300: fish lamp installation 500: Light source-reflector unit S,Sa,Sb: fishing boat

FIG. 1 is a side view schematically showing the configuration of a fish-collecting lamp device according to a first embodiment of the present invention. FIG. 2 is a plan view schematically showing the arrangement of LEDs in the light source portion of the fish-collecting lamp device of FIG. 1 . FIG. 3 is a schematic diagram showing the light distribution of the fish lamp device of FIG. 1 . FIG. 4 is a side view schematically showing a modified aspect of the reflector of the fish-collecting lamp device of FIG. 1 . FIG. 5 is a side view schematically showing another modification of the reflector of the fish-collecting lamp device of FIG. 1 . FIG. 6 is a side view schematically showing a further modification of the reflector of the fish-collecting lamp device of FIG. 1 . Fig. 7 schematically shows a state in which the fish collecting light device of Fig. 1 is installed on a fishing boat, and (A) is an example of arranging one row and (B) an example of arranging two rows. Fig. 8 is a side view schematically showing the structure of a fish-collecting lamp device in a second embodiment of the present invention. Fig. 9 is a side view schematically showing the structure of a fish-collecting lamp device in a third embodiment of the present invention. FIG. 10 is a schematic diagram showing the structure of a conventional LED fish-collecting light and a state in which it is installed on a fishing boat.

10: Light source part

10a: Optical axis

11: Substrate

12: LED

13: heat dissipation components

14: Cooling blades

15: Install metal tools

20: Reflector

20a: Reflective surface

30: Translucent cover

100: Fish lamp installation

Claims (10)

A fish-collecting light device is a fish-collecting light device installed on a fishing boat and used to gather fish by irradiating light, characterized in that: it is provided with: a light source part having at least one light-emitting diode; and a reflector configured to The top is opposite to the aforementioned light source portion on the optical axis of the aforementioned light source portion, and reflects the light from the aforementioned light source portion in a peripheral direction away from the optical axis, wherein the reflecting surface of the aforementioned reflector has a slightly tapered or slightly truncated cone shape the shape of the side surface, the light source part is formed by arranging a plurality of first light-emitting diodes and a plurality of second light-emitting diodes that emit light with a wavelength shorter than that of the first light-emitting diodes on a substrate. In the planar light source, 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 of claim 1, wherein the reflecting surface has the shape of a slightly conical or slightly truncated conical side surface with the optical axis as the axis center. The fish lamp device of claim 1, wherein the reflecting surface has a slightly conical or slightly truncated conical side surface shape. The fish-collecting lamp device according to claim 3, wherein the reflecting surface has the shape of a concavely curved or convexly curved generatrix in a plane including the optical axis. The fish light device according to any one of claims 1 to 4, further comprising: a cup-shaped translucent cover covering the front surface of the light source portion, and the reflector is disposed on the front surface inside the translucent cover. The fish light device according to claim 1, wherein each light source-reflector unit composed of the light source part and the reflector arranged on the optical axis of the light source part is arranged in plural steps overlapping the optical axis. The fish lamp device according to claim 6, wherein the light source-reflector units in the light source-reflector units that are arranged in a plurality of overlapping stages are overlapped in the same direction with the optical axis as the center. The fish lamp device according to claim 6, wherein the light source-reflector units in the light source-reflector units arranged in a plurality of stages are alternately overlapped in opposite directions centered on the optical axis. The fish lamp device according to claim 6, further comprising a drive control unit for driving the light source-reflector units arranged in a plurality of overlapping stages, and the drive control unit is configured to control the light source-reflector units in a plurality of stages to overlap. The light source parts in the unit emit light with the same luminous intensity or luminous color as each other. The fish lamp device according to claim 6, further comprising a drive control unit for driving the light source-reflector units arranged in a plurality of overlapping stages, and the drive control unit is configured to control the light source-reflector units in a plurality of stages to overlap. The aforementioned light source parts in the unit emit light with mutually different luminous intensities or luminous colors.

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