CN105841011B

CN105841011B - LED fishing lamp

Info

Publication number: CN105841011B
Application number: CN201610374947.8A
Authority: CN
Inventors: 林荣锽
Original assignee: Zhejiang Lisheng Photoelectric Technology Co ltd
Current assignee: Zhejiang Lisheng Photoelectric Technology Co ltd
Priority date: 2016-05-30
Filing date: 2016-05-30
Publication date: 2020-04-10
Anticipated expiration: 2036-05-30
Also published as: CN105841011A

Abstract

The invention discloses an LED fish gathering lamp which comprises a substrate, wherein LEDs are arranged on the front surface of the substrate, a plurality of radiating pipes vertical to the substrate and a straight-tube-shaped protective cover surrounding the radiating pipes are arranged on the backlight side of the substrate, an air inlet hole is formed in the side surface of the protective cover close to one end of the substrate, an air outlet hole is formed in the side surface of the protective cover far away from one end of the substrate, and a lamp holder is arranged at the tail part of the. According to the invention, the heat conduction pipe is arranged in the protective cover, and the air inlet and the air outlet are arranged on the side wall of the protective cover, so that the air convection in the protective cover is increased, the heat dissipation performance of the whole body is improved, and the high-power heat dissipation requirement is met under the condition of keeping the volume of the fish gathering lamp small.

Description

LED fishing lamp

Technical Field

The invention relates to a fish gathering lamp, in particular to a high-power LED fish gathering lamp with an excellent heat dissipation effect.

Background

The fish gathering lamp (also called a fish attracting lamp) is the most important fishing assisting equipment in light trapping fishing operation and is divided into an overwater fish gathering lamp or an underwater fish gathering lamp. The traditional fish gathering lamp generally uses a metal halogen lamp as a light source, but has the defects of high energy consumption, short service life and the like, and is certainly replaced by an LED fish gathering lamp along with the development of LED technology. Although the LED fish gathering lamp has the advantages of long acting, low energy consumption, small size and the like, the power of the LED fish gathering lamp cannot meet the use requirement due to the limitation of heat dissipation, so that the replacement rate is low, and the metal halide lamp is the mainstream at present.

Aiming at the problem that the heat dissipation effect of the high-power LED fish gathering lamp is poor, designers develop various heat dissipation structures. The 205048215U discloses a LED attracting and fish-gathering lamp, which comprises a lamp holder and a lampshade, wherein the lampshade is buckled on the upper end surface of the lamp holder, an LED luminous body is arranged on the upper end surface of the lamp holder, the lamp holder is also provided with a heat dissipation structure for heat dissipation of a lamp, the heat dissipation structure comprises a plurality of heat dissipation holes and a heat dissipation body, the plurality of heat dissipation holes are arranged on the side surface of the lamp holder, the heat dissipation body is positioned on the lower end surface of the lamp holder, and the heat dissipation body is made of metal alloy leading-in materials.

CN 204165006U discloses an LED fish luring lamp using high light efficiency LED as light source, comprising: light source storehouse and ballast storehouse to and set up the light source storehouse with the first baffle between the ballast storehouse, wherein: the light source bin comprises: the LED lamp comprises an LED light source, a lens arranged on the light emitting surface of the LED light source, a water-cooling radiator arranged on the backlight surface of the LED light source, and a front pressing plate arranged on the emergent light surface of the lens; the ballast bin comprises: the ballast comprises a ballast outer heat dissipation rib and a power line terminal arranged at the bottom of the ballast outer heat dissipation rib; the first partition plate is provided with at least one vent hole. The water-cooling radiator takes away heat generated by the work of the LED light source by utilizing low-temperature seawater so as to achieve the purpose of radiating the LED light source.

CN203963749U discloses a fish gathering lamp structure, which mainly comprises: the end face of the substrate is provided with at least one assembly area, each assembly area is provided with a groove, and one end of each groove is provided with a through hole penetrating through the substrate; at least one superconductive heat pipe correspondingly disposed in the groove of the substrate and penetrating through the substrate correspondingly through the through hole; at least one LED light-emitting module correspondingly arranged in the substrate assembly region and having a bottom contacting the superconducting heat pipe; at least one optical lens correspondingly assembled in the substrate assembly area and located above the LED light-emitting module; at least one heat dissipation fin correspondingly covers the outside of the super heat conduction pipe penetrating through the substrate.

Above-mentioned LED fishing lamp has been all and has been improved the radiating effect, has designed unique heat radiation structure, and although the radiating effect has the promotion, often the volume is very big, and does not consider the structure of current metal halide lamp, can't the direct replacement current metal halide lamp.

Disclosure of Invention

The LED fish gathering lamp can replace the traditional metal halide lamp and is small in size and good in heat dissipation performance.

LED fishing lamp, including the base plate, LED is installed in the front of base plate, the side of being shaded of base plate is equipped with the cooling tube that a plurality of perpendicular base plates set up and the safety cover that the cooling tube was surrounded to straight tube-shape, the side that the safety cover is close to base plate one end is equipped with the inlet port, and the side of keeping away from base plate one end is equipped with the exhaust hole, and the lamp holder is installed to the afterbody.

The existing metal halide lamp mainly comprises a light-emitting bulb shell at the head and a lamp holder at the tail, while the LED fish gathering lamp is mainly used for replacing the existing metal halide lamp, so that the overall shape and size of the LED fish gathering lamp are matched with those of the existing metal halide lamp. Theoretically, the heat dissipation effect is better without a protective cover, but the lamp holder cannot be installed, so that the existing metal halide lamp cannot be replaced, and the heat dissipation requirement cannot be generally met by cooling with natural air.

The heat dissipation effect of the internal radiator is poor due to the small size of the protective cover, and the heat dissipation area is increased, the air convection in the protective cover is increased, so that cold air enters the protective cover from the air inlet hole, hot air is discharged from the air outlet hole, and the heat dissipation effect is improved.

The heat dissipation pipe can be fixed on the back of the substrate through bonding, but the aging of the bonding agent is accelerated in a high-temperature environment, the heat dissipation pipe can loosen and fall off after being used for a long time, and the heat transfer effect is influenced.

For improving this problem, the base plate back is equipped with the recess with copper pipe tip interference fit, and in the use, the heat pipe is heated can expand, can firmly fix on the base plate. The conventional substrate generally includes a circuit layer, an insulating layer and a metal layer, and the groove is formed on the metal layer.

In order to increase the heat dissipation effect, the pipe wall of the heat dissipation pipe is provided with heat dissipation through holes.

Because cold air flows from outside to inside, the heat dissipation through holes are formed in the side, back to the protective cover, of the heat dissipation pipe, and hot air flows to the center.

The heat dissipation through hole is formed in the top of the heat dissipation pipe.

The radiating pipes are arranged into a plurality of rings by taking the center of the substrate as a circle center. Preferably, the radiating pipes are arranged in three rings.

More preferably, the height of the copper pipe of the outer ring is smaller than that of the copper pipe of the inner ring, and hot air flow is extruded towards the center layer by layer.

The tail part of the protective cover contracts radially, and the lamp holder is installed at the contraction part.

The safety cover center is equipped with the wire conduit, and wire conduit one end runs through the base plate, and the other end extends to the afterbody of safety cover.

The wire guide pipe is sleeved with a radiating fin wheel capable of rotating, and the fin wheel consists of a wheel shaft and fins which are arranged on the wheel shaft and incline towards the same direction. The radiating fin wheel rotates under the driving of airflow, so that the air discharge can be accelerated, and the radiating performance is improved.

The width of the top of the radiating fin is smaller than that of the bottom of the radiating fin.

The wire guide pipe is provided with a limiting part for limiting the axial movement of the radiating fin wheel, so that the radiating fin wheel is prevented from touching other parts to prevent the radiating fin wheel from rotating.

The radiating fin wheel and the exhaust hole are at the same height, and hot air can be exhausted in time.

The air inlet hole is inclined upwards from outside to inside, the air outlet hole is inclined downwards from outside to inside and is arranged along the direction of air flow, and heat dissipation can be accelerated.

The light-emitting side of the substrate is provided with a light-gathering cup and a lampshade.

The light-gathering cup comprises a joining part and a light-gathering part, and the protective cover is connected with the joining part in a sealing mode.

The inner wall of the connecting part is provided with a connecting sheet for fixing the substrate, and the substrate is fixed inside the light-gathering cup through the connecting sheet.

The substrate may be an aluminum substrate, an iron substrate or a copper substrate, preferably a copper substrate.

The thickness of the metal layer of the copper substrate is 5-10 mm.

According to the invention, the heat conduction pipe is arranged in the protective cover, and the air inlet and the air outlet are arranged on the side wall of the protective cover, so that the air convection in the protective cover is increased, the heat dissipation performance of the whole body is improved, and the high-power heat dissipation requirement is met under the condition of keeping the volume of the fish gathering lamp small.

Drawings

Fig. 1 is an exploded view of the LED fish gathering lamp of the present invention.

FIG. 2 is a cross-sectional view of the LED fish gathering lamp of the present invention.

Fig. 3 is a cross-sectional view of the fishing lamp a-a shown in fig. 2.

FIG. 4 is a schematic structural view of a base plate of the fish gathering lamp of the present invention.

FIG. 5 is a schematic view of the heat dissipating tube of the fish gathering lamp of the present invention. A

Fig. 6 is a schematic view of the air convection of the fish gathering lamp of the present invention.

Detailed Description

As shown in fig. 1 and 2, the LED fish gathering lamp comprises a substrate 5, a protective cover 1, a light gathering cup 6 and a lamp cover 7. The protective cover 1 is arranged on the backlight side of the substrate, is cylindrical or square, and has a radially contracted tail part, and a lamp cap (not shown in the figure) can be arranged on the contracted part and can be a screw cap or a bayonet cap of a traditional metal halide lamp. The protective cover 1 is generally formed by stamping a metal sheet, the tail part is thickened, and an insulating support part can be arranged to ensure certain strength.

As shown in fig. 2, the side of the protective cover 1 close to the substrate is provided with an air inlet, and the side of the protective cover 1 far from the substrate is provided with an air outlet, because the air flow is from bottom to top, the air inlet is inclined upwards from outside to inside, and the air outlet is inclined downwards from outside to inside. The air inlet holes and the air outlet holes are uniformly arranged around the protective cover, the shapes of the air inlet holes and the air outlet holes can be determined according to actual needs, preferably, the air inlet holes and the air outlet holes are in the shape of circular arc strips arranged along the circumferential direction of the protective cover, and multiple layers can be arranged, so that smooth and orderly air flow is ensured, and heat is led out as soon as possible.

The light-gathering cup 6 and the lampshade 7 are both arranged on the light-emitting side of the substrate, wherein the light-gathering cup 6 is divided into a conical light-gathering part and a connecting part, and the connecting part is hermetically connected with the protective cover 1. As shown in fig. 3, a connecting piece 61 is provided on the inner circumferential surface of the joining portion, and the fixing substrate 5 is attached to the connecting piece 61. The inner surface of the light-gathering part 6 is provided with a light-reflecting coating which is matched with a transparent hemispherical lampshade 7 to form a bulb shell.

The substrate may be an aluminum substrate, an iron substrate or a copper substrate, and the embodiment uses the copper substrate, so that the heat dissipation performance is optimal. As disclosed in the prior art, the substrate includes a circuit layer, an insulating layer and a metal layer, the circuit layer is located on the front surface of the substrate and is mounted with LEDs, and the metal substrate layer belongs to the back surface of the substrate, as shown in fig. 4, the metal layer of the present invention is provided with a groove 51, and at the same time, the center of the substrate is provided with a central through hole 52 matched with the wire conduit 3 and a fixing hole 53 for fixing the mounting substrate.

Establish the cooling tube 4 that vertical substrate set up in the safety cover 1, cooling tube 4 one end and recess 51 interference fit, the snap-on is on the base plate, and in order to guarantee that the cooling tube firm in connection, the thickness of metal level is generally at 5-10mm, and too thick can lead to the cost too high, is difficult to popularize and apply. As shown in fig. 3, the heat pipes 1 are arranged in a circular ring shape with the center of the substrate as the center, in this embodiment, three rings are arranged, and the height of the inner ring heat pipe is greater than that of the outer ring heat pipe. The number and the sparseness degree of the radiating pipes are set according to factors such as the power of the lamp and the like. As shown in fig. 5, in order to increase the heat dissipation effect, heat dissipation holes 41 are formed on the pipe wall of the heat dissipation pipe, the heat dissipation holes 41 may be irregularly arranged, but in order to move the hot air to the inner central area, the heat dissipation holes 41 are formed on the top of the heat dissipation pipe 4 away from the protective cover.

The center of the protective cover 1 is also provided with an electric wire conduit 3, one end of the electric wire conduit 3 penetrates through the substrate 5 through the central through hole 52, the other end of the electric wire conduit 3 extends to the tail part of the protective cover 1, and the electric wire conduit 3 mainly allows a power wire to pass through, so that the electric wire conduit is prevented from being corroded by the external environment. The part of the wire conduit 3 higher than the radiating pipe is sleeved with a radiating fin wheel 2.

The radiating fin wheel 2 consists of a wheel shaft 21 and radiating fins 22 distributed on the wheel shaft, wherein the radiating fins 22 incline towards the same direction, the inclination angle is about 10-15 degrees, the width of the bottom of each radiating fin 22 is larger than that of the top of each radiating fin, and the whole radiating fin wheel is conical. The height of the radiator fin wheel 2 is substantially equal to the height of the exhaust holes 12, facilitating the inside hot air to be exhausted therefrom. In order to ensure the smooth rotation of the heat dissipation fin wheel 2, the wire guide 3 is provided with a clamp spring 31 for limiting the movement of the heat dissipation fin wheel 2. The excessive weight can make the rotation of the radiating fin wheel difficult, so the material of the rotating fin wheel is aluminum, which has certain heat conduction capability and smaller weight.

As shown in fig. 6, the heat dissipation principle of the LED fish gathering lamp of the present invention is: the cold air gets into the safety cover from the inlet port 11 of bottom, and the heat that base plate 5 produced is conducted through cooling tube 4, and because the space is little, apart from the weak point, the air in cooling tube 4 at first heaies up, carries out the heat exchange through louvre 41 and outside air, takes place the convection current. Because the heat dissipation holes 41 face the inner center, and the height of the outer layer heat dissipation pipe is lower than that of the inner layer heat dissipation pipe, the heat gradually goes up and is gathered at the center, and finally reaches the heat dissipation fin wheel 2, and the heat dissipation fin wheel 2 rotates due to air convection, so that the hot air is discharged out of the protection cover 1 through the air exhaust holes 12.

Claims

The LED fish gathering lamp comprises a substrate, wherein LEDs are arranged on the front surface of the substrate, and the LED fish gathering lamp is characterized in that a plurality of radiating pipes vertical to the substrate and a straight-tube-shaped protective cover surrounding the radiating pipes are arranged on the backlight side of the substrate, an air inlet hole is formed in the side surface, close to one end of the substrate, of the protective cover, an air exhaust hole is formed in the side surface, far away from one end of the substrate, and a lamp holder is arranged at; the air inlet and the air outlet are uniformly arranged around the protective cover;

the pipe wall of the radiating pipe is provided with a radiating through hole, and the radiating through hole is formed in one side, back to the protective cover, of the radiating pipe; the radiating tubes are arranged into a plurality of rings by taking the center of the substrate as the circle center, the height of the radiating tube of the outer ring is less than that of the radiating tube of the inner ring,

the safety cover is characterized in that an electric wire guide pipe is arranged at the center of the safety cover, one end of the electric wire guide pipe penetrates through the substrate, the other end of the electric wire guide pipe extends to the tail of the safety cover, and a radiating fin wheel capable of rotating is sleeved on the electric wire guide pipe.
2. The LED fish gathering lamp as recited in claim 1, wherein the back of the substrate has a groove that is an interference fit with the end of the copper tube.
3. The LED fish gathering lamp as recited in claim 1, wherein the heat dissipating tubes are arranged in a three-ring configuration.
4. The LED fish gathering lamp as recited in claim 1 wherein the boot has a tail portion that is radially constricted and a base is attached to the constricted portion.
5. The LED fish gathering lamp as recited in claim 1, wherein the fin wheel is composed of a wheel shaft and fins disposed on the wheel shaft to be inclined in the same direction.
6. The LED fish gathering lamp as recited in claim 5, wherein the top of the heat dissipating fins has a width smaller than a width of the bottom.
7. The LED fish gathering lamp as recited in claim 5, wherein the wire guide tube is provided with a stopper for limiting the axial movement of the heat dissipating fin wheel.
8. The LED fish gathering lamp as recited in claim 5, wherein the heat dissipating fin wheel is at the same height as the air exhausting hole.
9. The LED fish gathering lamp as recited in claim 1, wherein the air inlet hole is inclined upward from outside to inside, and the air outlet hole is inclined downward from outside to inside.
10. The LED fish gathering lamp as recited in claim 1, wherein the light emitting side of the substrate is provided with a light gathering cup and a lamp cover.
11. The LED fish gathering lamp as recited in claim 10 wherein the light gathering cup includes a docking portion and a light gathering portion, the protective cover being sealingly connected to the docking portion.
12. The LED fish gathering lamp as recited in claim 11, wherein the inner wall of the engaging portion is provided with a connecting piece for fixing the base plate.
13. The LED fish gathering lamp as recited in claim 1 or 2, wherein the substrate is a copper substrate.
14. The LED fish gathering lamp as recited in claim 13, wherein the metal layer of the copper substrate has a thickness of 5 to 10 mm.