CN101598281B

CN101598281B - Spot lamp

Info

Publication number: CN101598281B
Application number: CN2009100409525A
Authority: CN
Inventors: 潘殿波
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-07-03
Filing date: 2009-07-03
Publication date: 2010-12-29
Anticipated expiration: 2029-07-03
Also published as: CN101598281A

Abstract

The invention provides a spot lamp, comprising an upper shell body and a lower shell body, wherein the lower shell body is provided with a baseboard, the baseboard is provided with an upper surface, a lower surface and a side wall; a plurality of fixed feet are arranged on the lower surface of the baseboard, the distance between the lower end faces of the fixed feet and the upper surface of the baseboard is greater than the distance between the lower end face of the side wall and the upper surface of the baseboard, a wall part is arranged on the upper surface of the baseboard, and the wall part and the upper surface of the baseboard enclose to form a cavity with an opening; the upper shell body of the spot lamp is used for sealing the opening of the cavity, and LED lamp group boards are fixedly mounted in the cavity, wherein the lower surface of the baseboard and the side wall enclose to form a cavity with an opening, the body cavity is provided with heat dissipation components, a radiating component is arranged in the cavity and comprises a plurality of convex pieces extending downwards along the axis of the baseboard from the lower surface of the baseboard. The spot lamp provided by the invention has good radiating performance and long service life, and can avoid frequent replacement.

Description

Shot-light

Technical field

The present invention relates to a kind of light fixture, specifically, relate to a kind of shot-light of working under water for a long time.

Background technology

The LED lamp uses as light fixture, have energy-conservation, long service life, luminosity advantages of higher, be widely used in already in the multiclass light fixtures such as illumination, decoration, for example the LED lamp is installed to use, is perhaps can be the night swimmer and provide bright etc. at mounted LEDs lamp at the bottom of the swimming pool or on the wall as Landscape Lamp at the shell of ship underwater (or more than).These LED lamps are used current as the shot-light long-term work under water to reduce shot-light because of producing the high temperature that heat causes in the course of work.

Have a kind of shot-light now as shown in Figure 1, it has upper shell and lower house 10, and lower house 10 comprises base plate 11, the side 14 that base plate 11 has upper surface 12, lower surface 13 (Fig. 2 shows) and connects upper surface 12 and lower surface 13.On lower surface 12, be provided with three fixing feet 15 equably, and offer a through hole as fixing hole 16 in the center of each fixing feet 15 so that use screw etc. to be installed in shot-light on ship shell or the swimming pool diapire and harbour, more than the water surface of bank or air and water surface intersection.

A circular wall portion 17 is arranged on the upper surface 12 of base plate 11, and the upper surface 12 of wall portion 17 and base plate 11 surrounds one and has uncovered cavity 18, and the bottom of cavity 18 offers through wires hole 19.LED lamp group plate 20 and reflection shield 25 are installed in the cavity 18.As seen from Figure 1, LED lamp group plate 20 includes circuit board 21, and a plurality of LED light-emitting components 22 are installed on the circuit board 21.

Existing shot-light upper shell is made up of lid 27 and glass 26, glass 26 basic the uncovered of cavity 18 that cover, and lid 27 is positioned at outside the wall portion 17, so that cavity 18 is airtight, prevents that current from entering in the cavity 18.

Referring to Fig. 2 and Fig. 3, the lower surface 13 of existing shot-light base plate 11 is the surface of substantially flat, and the distance L 2 between base plate 11 upper surfaces 12 and the lower surface 13 is less than the distance L 1 between base plate 11 upper surfaces 12 and fixing feet 15 lower surfaces 23.Like this, shot-light is installed in ship shell, swimming pool diapire or the above air ambient of the water surface, current or air flow in the gap between the installed surface of base plate 11 lower surfaces 12 and ship shell etc., produce the high temperature that heat forms thereby utilize the low temperature of water or air stream to reduce shot-light because of the work of LED light-emitting component.

But, because the lower surface 12 of existing shot-light base plate 11 is smooth, lower surface 12 is little with water or air contact area, its heat-sinking capability is limited, often can not satisfy the job requirement of shot-light, cause the LED light-emitting component to burn out easily, shot-light is shorter service life, need often to change the shot-light that is installed on ship or the swimming pool, bring very big inconvenience for the use of shot-light.

Summary of the invention

Main purpose of the present invention provides a kind of shot-light of good heat dispersion performance;

Another object of the present invention provides long shot-light in a kind of service life.

For realizing above-mentioned main purpose, shot-light provided by the invention comprises upper shell and lower house, lower house has base plate, base plate has upper surface, lower surface and sidewall, the lower surface of base plate is provided with a plurality of fixing feet, the lower surface of fixing feet and the distance between the plate upper surface are greater than the distance between side wall lower ends face and the plate upper surface, and the upper surface of base plate is provided with wall portion, and the upper surface of wall portion and base plate surrounds one and has uncovered cavity; The upper shell of shot-light is used for the uncovered of airtight cavity, be installed with LED lamp group plate in the cavity, wherein, the lower surface of base plate and sidewall surround one and have another uncovered cavity, be provided with radiating component in this another cavity, radiating component comprises a plurality of projection pieces that extend along the base plate axis from the base plate lower surface downwards, and the distance between projection piece lower surface and the plate upper surface is less than the distance between fixing feet lower surface and the plate upper surface.

By such scheme as seen, the base plate lower surface of shot-light lower house is provided with radiating component, and has the gap between a plurality of projection pieces of radiating component, after water or air flow to the cavity of base plate lower surface, can be in the Clearance Flow between a plurality of projection pieces, shot-light base plate lower surface and current or air contact area increase, and help the shot-light heat radiation, make shot-light have heat dispersion preferably.

A preferred scheme is that a plurality of projection pieces that are located in the lower house base plate lower surface cavity are cylinder, and the distance between each cylinder lower surface and the plate upper surface is less than the distance between fixing feet lower surface and the plate upper surface.

This shows, each cylinder lower surface does not contact with the installed surface of ship shell etc., current can flow through the gap between cylinder lower surface and the installed surface, increase the contact area of cylinder and current or air, reduce the temperature of shot-light, effectively avoid LED light-emitting component Yin Wendu too high and burn out, prolong the service life of shot-light.

Description of drawings

Fig. 1 is the STRUCTURE DECOMPOSITION figure of existing shot-light;

Fig. 2 is the upward view of existing shot-light lower house;

Fig. 3 is the cutaway view of Fig. 2 along the A-A direction;

Fig. 4 is the structure chart of lower house in the first embodiment of the invention;

Fig. 5 is the structure chart at another visual angle of lower house in the first embodiment of the invention;

Fig. 6 is the upward view of lower house in the first embodiment of the invention;

Fig. 7 is the cutaway view of Fig. 6 along the B-B direction;

Fig. 8 is the upward view of lower house in the second embodiment of the invention;

Fig. 9 is the cutaway view of Fig. 8 along the C-C direction;

Figure 10 is the upward view of lower house in the third embodiment of the invention;

Figure 11 is the upward view of lower house in the fourth embodiment of the invention.

The invention will be further described below in conjunction with drawings and Examples.

The specific embodiment

Shot-light of the present invention has upper shell and lower house, and lower house has a uncovered cavity, and LED lamp group plate is installed in the cavity.Upper shell is positioned at the top of lower house, and the airtight cavity that LED lamp group plate is installed, and these are identical with existing shot-light, do not repeat them here.Below in conjunction with Fig. 4 to Figure 11 lower house of the present invention is described.

First embodiment:

Referring to Fig. 4 and Fig. 5, the lower house 30 of present embodiment includes base plate 31, base plate 31 has upper surface 32, lower surface 33 and sidewall 34, and upper surface 32 is provided with a circular wall portion 37, and the upper surface 32 of wall portion 37 and base plate 31 surrounds one and has uncovered cavity 38.Be installed with LED lamp group plate in the cavity 38, LED lamp group plate includes circuit board and is installed in a plurality of LED light-emitting components on the circuit board.

The center of base plate 11 offers a through hole, and this through hole is the through wires hole 39 of present embodiment, passes through through wires hole 39 with the circuit board wire connecting of LED lamp group plate, and is connected to power to circuit board with external power source.

The upper shell of shot-light is positioned at outside the wall portion 37, so that cavity 38 is airtight.Certainly, the upper shell of present embodiment can be identical with existing shot-light upper shell, by lid and cover cavity 38 uncovered glass and form, also can be the uncovered transmission element of an airtight cavity 38, or middle part is provided with the plastic cover of glass etc.

Base plate 31 lower surfaces 33 are provided with three fixing feet 35, and each fixing feet 35 center offers the through hole as fixing hole 36, so that use screw etc. are installed to shot-light on ship shell or the swimming pool diapire.

The sidewall 34 and the lower surface 33 of base plate 31 surround one and have uncovered cavity 40, be provided with radiating component in the cavity 40, radiating component is made up of a plurality of projections 45 as the present embodiment projection piece, axis along base plate 31 extends downwards each projection 45 from base plate 31 lower surfaces 33, and has the gap between any two projections 45.

As seen from Figure 5, cylinder 45 is cylinder, and during practical application, the cross section of cylinder 45 can also be other shapes such as triangle, rectangle or rhombus, can also be irregularly shaped, and this does not influence enforcement of the present invention.

And in the present embodiment, projection 45 is regular arrangement in cavity 40, and during practical application, projection 45 can also be arranged in the cavity 40 in any way.In addition, the cross section of different projections 45, diameter etc. also can be inequality.

Referring to Fig. 6 and Fig. 7, the distance between base plate 31 upper surfaces 32 and fixing feet 35 lower surfaces 43 is L3, and the distance between base plate 31 upper surfaces 32 and sidewall 34 lower surfaces 41 is L4, and L3 is greater than L4.Because after shot-light was installed to ship shell or swimming pool diapire, docked with installed surfaces such as ship shell or swimming pool diapires fixing feet 35 lower surfaces 43, so have the gap between sidewall 34 lower surfaces 41 and the installed surface, current can flow in this cavity 40.

And, distance between the lower surface 46 of each projection 45 and base plate 31 upper surfaces 32 also is L4, be that distance between projection 45 lower surfaces 46 and base plate 31 upper surfaces 32 equals the distance between base plate 31 upper surfaces 32 and sidewall 34 lower surfaces 41, just the distance L 4 between projection 45 lower surfaces 46 and base plate 31 upper surfaces 32 is less than the distance L 3 between base plate 31 upper surfaces 32 and fixing feet 35 lower surfaces 43.Like this, after current flow to cavity 40, can contact, increase the contact area of projection 45 surfaces and current, obtain better radiating effect with the sidewall and the lower surface 46 of each projection 45.

Certainly, during practical application, distance between projection 45 lower surfaces 46 and base plate 31 upper surfaces 32 also can equal the distance between base plate 31 upper surfaces 32 and fixing feet 35 lower surfaces 43, promptly be L3, the current or the air that flow in the cavity 40 also can contact with the sidewall of each projection 45, also can realize the effect of dispelling the heat.

This shows, in the cavity 40 of base plate 11, radiating component is set, increase the contact area of base plate 11 lower surfaces 12 and current, can effectively reduce the temperature of shot-light, avoid causing high temperature that the LED light-emitting component is burnt out because of the heat that the long-term work of LED light-emitting component produces, help prolonging the service life of shot-light, avoid the frequent shot-light of changing such as ship, swimming pool.

Certainly, the radiating component of lower house setting of the present invention can also have more variation.

Second embodiment:

The present embodiment shot-light has upper shell and lower house, and wherein lower house has base plate, and the upper surface of base plate is provided with cavity, and LED lamp group plate is installed in the cavity, and these are identical with first embodiment.

Referring to Fig. 8 and Fig. 9, in the present embodiment, the base plate 51 of lower house 50 has upper surface 52, lower surface 53 and sidewall 54, lower surface 53 surrounds with sidewall 54 has uncovered cavity 60, be provided with a plurality of concentric circles 65 in the cavity 60 as the present embodiment projection piece, concentric circles 65 extends downwards along base plate 51 axis from the lower surface 53 of base plate 51, and the center of circle of concentric circles 65 be located at base plate 51 in the heart.

As seen from Figure 8, have the gap between two adjacent concentric circles 65, be convenient to current and from the gap, flow through, increase the contact area of concentric circles 65 and current.

Base plate 51 lower surfaces 53 are provided with three fixing feet 55, and as seen from Figure 9, the distance between base plate 51 upper surfaces 52 and fixing feet 55 lower surfaces 63 is L5, and the distance between base plate 51 upper surfaces 52 and sidewall 54 lower surfaces 61 is L6, and L5 is greater than L6.Simultaneously, distance between concentric circles 65 lower surfaces 66 and base plate 51 upper surfaces 52 also is L6, be that distance between concentric circles 65 lower surfaces 66 and base plate 51 upper surfaces 52 is less than the distance between base plate 51 upper surfaces 52 and fixing feet 55 lower surfaces 63, be convenient to current and contact, be convenient to the shot-light heat radiation with each concentric circles 65.

Certainly, distance between concentric circles 65 lower surfaces 66 and base plate 51 upper surfaces 52 can change with concentric circles 65 diameter, concentric circles 65 lower surfaces 66 and the distance between base plate 51 upper surfaces 52 that for example diameter is more little are big more, be the highly gradient of a plurality of concentric circles 65, this also can realize purpose of the present invention.

The 3rd embodiment:

Referring to Figure 10, the lower surface 73 and the sidewall 74 of present embodiment lower house 70 base plates surround has uncovered cavity, be provided with many convex tendons 76 in cavity, and convex tendon 76 is arranged in the cavity radioactively from the center of base plate.

Base plate lower surface 73 is provided with three fixing feet 75, in the present embodiment, distance between convex tendon 76 lower surfaces and the plate upper surface equals the distance between sidewall 74 lower surfaces and the plate upper surface, and less than the distance between fixing feet 75 lower surfaces and the plate upper surface, is convenient to current and flows in the cavity.

The 4th embodiment:

Referring to Figure 11, the lower surface 83 and the sidewall 84 of present embodiment lower house 80 base plates surround has uncovered cavity, is provided with many convex tendons 86 as the present embodiment projection piece in cavity, and be arranged in parallel between many convex tendons 86.

Base plate lower surface 83 is provided with three fixing feet 85, in the present embodiment, distance between convex tendon 86 lower surfaces and the plate upper surface equals the distance between sidewall 84 lower surfaces and the plate upper surface, and less than the distance between fixing feet 85 lower surfaces and the plate upper surface, is convenient to current and flows in the cavity.

This shows that the shot-light base plate is provided with cavity, and in cavity radiating component is set, increase the contact area of base plate lower surface and current, be convenient to the shot-light heat radiation.When ship starts or water velocity when very fast, the radiating effect of radiating component is more obvious, effectively avoids shot-light because of too high the burning out of LED light-emitting component operating temperature, prolongs the service life of shot-light.

Need to prove that shot-light of the present invention is not only the shot-light that is applied in underwater operation, can also be that other are used to the shot-light that throws light on or decorate, by radiating component is set, uses radiating component and realizes the purpose of dispelling the heat with contacting of moving air.

Certainly, the foregoing description only is four preferable embodiments of the present invention, in the practical application, more change can also be arranged, for example, the projection piece of radiating component is arranged to irregular striated, crossing straight line etc., and perhaps the cross section with projection among first embodiment changes toroidal into, and these change does not influence enforcement of the present invention.

It is emphasized that at last; the invention is not restricted to above-mentioned embodiment, also should be included in the protection domain of claim of the present invention as small variations such as the change of distance between change, projection piece lower surface and the plate upper surface of fixing feet quantity, the changes of base plate shape.

Claims

1. shot-light comprises

Upper shell and lower house, described lower house has

Base plate, described base plate has upper surface, lower surface and sidewall, and described lower surface is provided with a plurality of fixing feet, and the lower surface of described fixing feet and the distance between the plate upper surface are greater than the distance between described side wall lower ends face and the plate upper surface;

Wall portion is positioned at the upper surface of described base plate, and the upper surface of described wall portion and base plate surrounds one and has uncovered cavity (38);

The airtight described cavity of described upper shell (38) uncovered;

LED lamp group plate is fixed in the described cavity (38);

It is characterized in that:

The lower surface of described base plate and sidewall surround one and have uncovered another cavity (40), are provided with radiating component in described another cavity (40), and described radiating component comprises a plurality of projection pieces that extend along described base plate axis from described base plate lower surface downwards;

Distance between described projection piece lower surface and the described plate upper surface is less than the distance between described fixing feet lower surface and the described plate upper surface.

2. shot-light according to claim 1 is characterized in that:

Distance between described projection piece lower surface and the plate upper surface equals the distance between described sidewall of the bottom plate lower surface and the plate upper surface.

3. shot-light according to claim 1 and 2 is characterized in that:

Described a plurality of projection piece is a plurality of cylinders.

4. shot-light according to claim 1 and 2 is characterized in that:

Described a plurality of projection piece is a plurality of concentric circles ring bodies.

5. shot-light according to claim 1 and 2 is characterized in that:

Described a plurality of projection piece is many convex tendons.

6. shot-light according to claim 5 is characterized in that:

Described many convex tendons outwards radioactively are provided with from the base plate center.

7. shot-light according to claim 5 is characterized in that:

Described many convex tendons are provided with in parallel to each other.