CN203880504U - LED reflector lamp capable of mechanically adjusting colors - Google Patents

Abstract

The utility model provides an LED reflector lamp capable of mechanically adjusting colors. The LED reflector lamp comprises an LED lamp plate, a base, a light-transmitting cover, an installing support and a lamp housing. The LED lamp plate comprises at least two groups of differently-colored LED light sources. The light-transmitting cover is fixed on the installing support and located above the LED lamp plate. The installing support is fixed on the base, on which two oppositely-arranged chutes and conductive contacts electrically connected with an external power source. The LED lamp plate is arranged in the chutes and capable of freely moving in the chutes along horizontal directions so that mutual displacement among at least two groups of differently-colored LED light sources and the light-transmitting cover is achieved to fulfill the purpose of regulating colors. The purpose of regulating light is fulfilled by taking following steps of firstly, fixing the light-transmitting cover, horizontally pushing and pulling the LED lamp plate, conducting all LED white light sources with the conductive contacts via corresponding welding discs, and displacing among the differently-colored LED light sources and the light-transmitting cover. The LED reflector lamp capable of mechanically adjusting colors is low in cost, high in reliability and easy in operation and is also favorable for protection of the structure of the lamp.

Description

LED shot-light that can mechanical adjustment color

Technical field

The utility model relates to a kind of LED lighting device, relates in particular to a kind of LED shot-light that can mechanical adjustment color.

Background technology

Along with living standard constantly improves, people are no longer satisfied with single lighting system, and the abundant and innervation of lighting colour is just progressively pursued by people.

At present, the light modulation scheme of main flow has two kinds on the market: a kind of is the LED light source group that adopts different colours, reaches the object of light modulation by circuit control LED drive current.This scheme is actually to adopt two overlaps independently light source and circuit drives system, and the consumption of LED is 2 times of non-light modulation scheme, in real work, the LED light source that has half be not acting or not acting completely, and complex circuit designs.This scheme complex manufacturing, material and processing cost are high; Once and have the situation of dead lamp, the phenomenon that there will be whole group of light source not work, thus cause the even phenomenon of irregular colour.Another kind is by the scheme of artificial replacing diffuser, although cost is lower, needs in actual applications to prepare the fluorescent material lampshade of various different colours, can be cumbersome for the application keeping of lampshade itself; And in actual illumination place, because the problem of safety and the instrument of replacing does not allow consumer to carry out scene and changes.Because consider the convertibility of lampshade, fitting structure design will inevitably be considered detachability, can have influence on the barrier propterty of light fixture simultaneously.

Chinese patent CN103016988A has announced a kind of mechanical type multi color temperature and has regulated LED illuminating lamp.This invention is to be realized the adjusting of colour temperature or color and be mainly by being fixed on the colour temperature selecting arrangement between lamp holder and radiator by the mode of mechanical adjustment equally.Every group of LED lamp pearl string on LED lamp plate all adopts independently electrical connection, every group of lamp pearl makes the some first make contacts on rotating disc contact with the second contact point of the chute on lamp holder by rotation rotating disc, wherein some first make contacts are connected with corresponding with it LED lamp pearl crosstalk respectively by wire, thereby reach the object of colour temperature or color adaptation.Although this invention has reached the object of mechanical adjustment colour temperature or color, but introduce extra constructional device rotating disc, increase the structure of product, and for the lamp pearl string electrical connection on rotating disc and LED lamp plate correspondingly can be increased to a lot of lead-in wires, the structure of original lamp body is just little, and this can make lamp body internal structure intricate.In addition, in rotating disc rotary course, easily cause that lead-in wire breaks or comes off, thereby cannot realize the adjusting of colour temperature or color.

Utility model content

The utility model provides a kind of LED shot-light that can mechanical adjustment color for above-mentioned weak point, it comprises LED lamp plate, pedestal, diffuser, mounting bracket and lamp housing, it is characterized in that, described LED lamp plate comprises the LED light source of at least two group different colours, described diffuser is fixed on described mounting bracket and is positioned at the top of described LED lamp plate, described mounting bracket is fixed on described pedestal, the conductive contact that described pedestal is provided with the relative chute of twice and is electrically connected with external power supply, described LED lamp plate is arranged in described chute, described LED lamp plate along continuous straight runs in described chute moves freely, the LED light source of at least two group different colours and described diffuser generation relative displacement described in making, thereby reach the object of adjustable colors.The utility model is fixed diffuser, has realized the relative displacement between LED light source and diffuser by chute, in use only need push away or pull LED lamp plate just can carry out the adjusting of LED shot-light color, simple to operation, reliability is high; Circuit design is simple, and welding cost is low.

According to a preferred embodiment, described LED lamp plate also comprises aluminium base, pad, heat sink and shadow shield, wherein, described aluminium base is fixed on described heat sink, and described aluminium base has the shape matching with described heat sink, wherein, described pad is distinguished corresponding and formation electrical connection one by one with the LED light source of described at least two group different colours, described pad is evenly arranged in the outer peripheral edge region of described aluminium base, wherein, described shadow shield is evenly separated the LED light source of described at least two group different colours, and the rectangular shape of described shadow shield is evenly arranged on described aluminium base.For common LED lamp plate, the utility model has increased heat sink as the base that supports aluminium base.The heat that heat sink can produce LED light source and drive circuit and LED lamp plate moving process pass fast because of fricative heat.And, because heat sink is to have certain thicknessly can also play certain quakeproof and quake-resistant effect.

According to a preferred embodiment, the both sides of described heat sink lower surface are provided with the slideway parallel with described chute direction, and described slideway is the groove structure that is symmetrically distributed in described heat sink below.

According to a preferred embodiment, described pedestal is provided with at least two pulleys that match with described slideway, described at least two pulleys are rotatably evenly arranged in described chute, and described LED lamp plate is moved freely under the effect of described at least two pulleys in chute.Slideway and pulley are used in conjunction with, and have reduced the contact area between LED lamp plate and chute, have also just reduced frictional resistance between the two, make user in adjustable colors process, be more prone to operation, and can reduce the generation of heat.

According to a preferred embodiment, the side of described heat sink is evenly arranged LED light source difference the first pit one to one with described at least two group different colours.

According to a preferred embodiment, described pedestal is provided with the ball matching with described the first pit, described ball rotatably remains in described chute and is roughly in same perpendicular with the described conductive contact of base side, make described pad in the time contacting with described conductive contact described in ball remain in described the first pit, stop described LED lamp plate accidental movement in the time that energising is lighted.In order further to ensure that the pad on LED lamp plate steadily contacts with conductive contact, and corresponding LED light source group keeps "on" position always under a color state, therefore design the first pit and with it the ball of correspondence LED lamp plate is positioned.Roll structure be convenient to its with the combination of the first pit with separate, facilitate LED lamp plate to connect the LED light source group of next different colours.

According to a preferred embodiment, on described aluminium base, be evenly arranged LED light source difference the second pit one to one with described at least two group different colours.

According to a preferred embodiment, the surface that described mounting bracket is relative with described LED lamp plate is provided with the flange matching with described the second pit, described flange and described conductive contact are in same perpendicular, described in when described pad is contacted with described conductive contact, flange (306) remains in described the second pit, stops described LED lamp plate accidental movement in the time that energising is lighted.The embodiment of the second pit and flange is in the process in order to contact with conductive contact at pad, LED lamp plate to be positioned equally, prevents that LED lamp plate from moving.

According to a preferred embodiment, the upper surface of described shadow shield is evenly arranged LED light source difference the 3rd pit one to one with described at least two group different colours.

According to a preferred embodiment, the lower surface of described diffuser is provided with the salient point matching with described the 3rd pit, the described conductive contact of described salient point and base side is not in same perpendicular, described in when described pad is contacted with described conductive contact, salient point remains in described the 3rd pit, stops described LED lamp plate accidental movement in the time that energising is lighted.The 3rd pit and salient point can form a triangular relationship with the binding site of the first pit and ball and the second pit and the each self-forming of flange, make the more firm of conductive contact and pad combination, further avoided LED shot-light LED lamp plate in the time that energising is lighted to meet accident movement and caused the power-off of LED shot-light.

According to a preferred embodiment, described conductive contact is according to loading in the blind hole that is fixed on described pedestal by spring.In the time that conductive contact contacts with pad, can there is deformation in the spring being connected with conductive contact, produces elastic force.Under the effect of elastic force, spring is depressed into conductive contact on pad, and both are steadily combined.

According to a preferred embodiment, spacing between spacing between described pad and the white LED light source of described at least two different colours is consistent, make it possible to by mobile, corresponding pad be contacted with the conductive contact of the LED light source of corresponding at least two group different colours, go out light color thereby realized mechanical adjustment.The benefit of doing is like this, in the time of adjustable colors, after pad contacts with conductive contact, the light that the LED light source corresponding with pad can be sent projects on diffuser completely, and light source is fully used.

According to a preferred embodiment, between described diffuser and described mounting bracket, be provided with elastic seal ring, wherein, described diffuser is transparent or milky diffuser plate.Elastic reaction by sealing ring is stuck in diffuser on mounting bracket, both can fix diffuser and can also play good sealing effectiveness.Use diffuser plate can ensure, under the prerequisite of high transmission rate, to have increased again light diffusivity and the mist degree of product as diffuser.

Brief description of the drawings

Fig. 1 is the partial sectional view of LED shot-light that can mechanical adjustment color of the present utility model;

Fig. 2 is the top view of the LED lamp plate of LED shot-light that can mechanical adjustment color of the present utility model;

Fig. 3 is the partial sectional view of LED shot-light that can mechanical adjustment color of the present utility model;

Fig. 4 is the partial sectional view of LED shot-light that can mechanical adjustment color of the present utility model;

Fig. 5 is the partial sectional view of LED shot-light that can mechanical adjustment color of the present utility model;

Fig. 6 is the partial sectional view of LED shot-light that can mechanical adjustment color of the present utility model;

Fig. 7 is the partial sectional view of LED shot-light that can mechanical adjustment color of the present utility model;

Fig. 8 is the top view of the LED lamp plate of LED shot-light that can mechanical adjustment color of the present utility model;

Fig. 9 is the partial sectional view of LED shot-light that can mechanical adjustment color of the present utility model; With

Figure 10 is the structure chart of LED shot-light that can mechanical adjustment color of the present utility model.

Reference numerals list

100: LED shot-light 101:LED lamp plate that can mechanical adjustment color

102: pedestal 103: diffuser 104: mounting bracket

105: lamp housing 110: chute 111: conductive contact

The white LED light source 202 of 201: at least two different colours: aluminium base

203: pad 204: heat sink 205: shadow shield

301: slideway 302: 303: the first pits of pulley

304: 305: the second pits 306 of ball: flange

307: the three pits 308: salient point 401: spring

402: blind hole

Detailed description of the invention

Illustrate the utility model below in conjunction with accompanying drawing.

Referring to Fig. 1, the utility model provides a kind of LED shot-light 100 that can mechanical adjustment color, and it comprises LED lamp plate 101, pedestal 102, diffuser 103, mounting bracket 104 and lamp housing 105.It is characterized in that, LED lamp plate 101 comprises the LED light source 201 of at least two group different colours.Diffuser 103 is fixed on mounting bracket 104 and is positioned at the top of LED lamp plate 101.Mounting bracket 104 is fixed on pedestal 102.The conductive contact 111 that pedestal 102 is provided with the relative chute of twice 110 and is electrically connected with external power supply.LED lamp plate 101 is arranged in described chute 110, and LED lamp plate 101 moves freely at the interior along continuous straight runs of chute 110, makes the LED light source 201 of at least two group different colours, with diffuser 103, relative displacement occur, thereby reaches the object of adjustable colors.Scheme of the present utility model is that diffuser 103 is fixing different, push away or pull LED lamp plate 101, LED lamp plate 101 moves at the interior along continuous straight runs of chute 110 under the effect of external force, thereby make the LED light source 201 of at least two group different colours on LED lamp plate 101, with diffuser 103, relative displacement occur, and then reach the object of adjustable colors.

Illustrate the utility model referring to Fig. 2 and pure illustrative diagram 3.LED lamp plate 101 also comprises aluminium base 202, pad 203, heat sink 204 and shadow shield 205.Aluminium base 202 is fixed on heat sink 204, and aluminium base 202 has the shape matching with heat sink 204, and aluminium base 202 is covered on heat sink 204 completely.The heat that heat sink 204 can produce LED light source and drive circuit and LED lamp plate moving process pass fast because of fricative heat.And, because heat sink 204 is to have certain thicknessly can also play certain quakeproof and quake-resistant effect.Pad 203 is distinguished corresponding and formation electrical connection one by one with the LED light source 201 of at least two group different colours.The LED light source 201 of pad 203 and at least two group different colours has separate lines control, and each light-emitting zone works independently, and is independent of each other.Pad 203 is evenly arranged in the outer peripheral edge region of aluminium base 202.Shadow shield 205 is evenly separated the LED light source of at least two group different colours 201, and the rectangular shape of shadow shield 205 is evenly arranged on aluminium base 202.The light that shadow shield 205 sends light source concentrates in the area of space of its restriction, can effectively improve light source utilization rate, and shadow shield 205 is by the LED light source of at least two group different colours 201 even partitions, the light-emitting area that ensures every kind of colour light source is roughly the same, avoids in color adaptation process lamplight brightness or shadow surface suddenly big or suddenly small.

Again in conjunction with pure illustrative diagram 3 to Fig. 6, the utility model is described.The both sides of heat sink 204 lower surfaces are provided with the slideway 301 parallel with chute 110 directions.Slideway 301 is the groove structures that are symmetrically distributed in heat sink 204 belows.Pedestal 102 is provided with at least two pulleys 302 that match with slideway 301.At least two pulleys 302 are rotatably evenly arranged in chute 110, and LED lamp plate 101 is moved freely under the effect of at least two pulleys 302 in chute 110.If considering, the utility model directly LED lamp plate 101 is placed in in chute 110, to carry out slip meeting not too convenient.The contact area of LED lamp plate 101 and chute is large, will inevitably increase the frictional resistance of moving process, will inevitably produce a large amount of heat, thereby causes whole LED lamp plate 101 temperature to raise.Original LED lamp plate was exactly a device that quantity of heat production is large, was in for a long time under higher temperature, to work very unfavorablely to LED light source, can directly affect service life and/or the service behaviour of LED.Increase after slideway 301, slideway 301 is used in conjunction with pulley 302, and face contact has been become to line contact, has greatly reduced the contact area of LED lamp plate 101 and chute 110, and has pushed away or pull LED lamp plate 101 also convenient.

Referring to Fig. 4, the side of heat sink 204 is evenly arranged LED light source 201 difference the first pit 303 one to one with at least two group different colours.Pedestal 102 is provided with the ball 304 matching with the first pit 303.Ball 304 rotatably remains in chute 110 and is roughly in same perpendicular with the conductive contact 111 of base side, pad 203 ball 304 in the time contacting with conductive contact 111 is remained in the first pit 303, stop LED lamp plate 101 accidental movement in the time that energising is lighted.The first pit 303 is fixing in conjunction with can effectively LED lamp plate 101 being located with ball 304, has avoided, because external shock causes conductive contact 111 and pad 203 loose contacts, having ensured the normal use of LED shot-light in color adaptation process.

Fig. 5 is the another kind of embodiment of location LED lamp plate 101.On aluminium base 202, be evenly arranged LED light source 201 difference the second pit 305 one to one with at least two group different colours.The surface that mounting bracket 104 is relative with LED lamp plate 101 is provided with the flange 306 matching with the second pit 305.Flange 306 is in same perpendicular with conductive contact 111, and when pad 203 is contacted with conductive contact 111, flange 306 remains in the second pit 305, stops LED lamp plate 101 accidental movement in the time that energising is lighted.Mounting bracket 104 is to have flexible plastic plate, in color adaptation process, flange 307 between installation on 104 can push and enter on diffuser 103 and every group of LED light source corresponding the second pit respectively, thereby realize the location of LED lamp plate 101, ensure that conductive contact 111 contacts well with pad 203.

Fig. 6 is the another kind of embodiment of location LED lamp plate 101.The upper surface of shadow shield 205 is evenly arranged LED light source 201 difference the 3rd pit 307 one to one with at least two group different colours.The lower surface of diffuser 103 is provided with the salient point 308 matching with the 3rd pit 307.Salient point 308 is not with the conductive contact 111 of base side in same perpendicular, and when pad 203 is contacted with conductive contact 111, salient point 308 remains in the 3rd pit 307, stops LED lamp plate 101 accidental movement in the time that energising is lighted.The 3rd pit and salient point can form a triangular relationship with the binding site of the first pit and ball and the second pit and the each self-forming of flange, make the more firm of conductive contact and pad combination, further avoided LED shot-light LED lamp plate in the time that energising is lighted to meet accident movement and caused the power-off of LED shot-light.

Referring to pure illustrative diagram 7, conductive contact 111 is fixed in the blind hole 402 of pedestal 102 according to the fixed form loading by spring 401.Conductive contact 111 occurs relatively to change with flexible its position of spring 401, and under the effect of spring 401, conductive contact 111 is depressed on pad 203, makes it and pad 203 close contacts, has further ensured the good contact between conductive contact 111 and pad 203.The length of spring 401 can not be lower than the degree of depth of blind hole 402 under nature, otherwise spring 401 can not be brought into play its elastic reaction, and conductive contact 111 cannot be depressed on pad 203.

According to a preferred embodiment, spacing between spacing between pad 203 and the white LED light source of at least two different colours 201 is consistent, make it possible to by mobile, corresponding pad 203 be contacted with the conductive contact 111 of corresponding white LED light source 201, go out light color thereby realized mechanical adjustment.In the time of adjustable colors, after pad 203 contacts with conductive contact 111, the light that the LED light source corresponding with pad 203 can be sent projects on diffuser 103 completely, and light source is fully used.

According to a preferred embodiment, between diffuser 103 and mounting bracket 104, be provided with elastic seal ring.Diffuser 103 is transparent or milky diffuser plates.Elastic reaction by sealing ring is stuck in diffuser 103 on mounting bracket 104, both can fix diffuser and can also play good sealing effectiveness.Be as the benefit of diffuser with diffuser plate, ensureing under the prerequisite of high transmission rate, light diffusivity and the mist degree of product are increased again, by the effect of diffuser plate, make whole plate face form a uniform light-emitting area and do not form dark space, on picture, form afterimage, make picture more true to nature, reach the glittering and translucent visual effect of entire body.

Fig. 9 and Figure 10 are respectively partial sectional view of the present utility model and structure chart.The light modulating device being made up of LED lamp plate 101, pedestal 102 etc. as shown in Figure 9 can be directly installed in lamp housing 105, as shown in Figure 8.Simple to operation but also can change.

The utility model at least has the following advantages:

1, the utility model scheme light source used is white LED light source, and the cost of raw material is low; Circuit design is simple, and welding cost is low.

2, just can realize the relative displacement between LED light source and diffuser by chute, be from operation or structure be all easily, simple.And not increasing any unnecessary structure or introduce extra device the adjusting that realizes color, each member of the present utility model is used substantially, economizes on resources, reduces costs.

3, color adaptation is convenient, can carry out by hand the adjusting of color without tearing lamp open, simple to operate; Be conducive to the structural shielding of light fixture.

It should be noted that; above-mentioned specific embodiment is exemplary; under above-mentioned instruction of the present utility model, those skilled in the art can carry out various improvement and distortion on the basis of above-described embodiment, and these improvement or distortion drop in protection domain of the present utility model.It will be understood by those skilled in the art that specific descriptions are above in order to explain the purpose of this utility model, not for limiting the utility model.Protection domain of the present utility model is limited by claim and equivalent thereof.

Claims (13)

1. One kind can mechanical adjustment color LED shot-light (100), it comprises LED lamp plate (101), pedestal (102), diffuser (103), mounting bracket (104) and lamp housing (105), it is characterized in that

   Described LED lamp plate (101) comprises the LED light source (201) of at least two group different colours,

   Described diffuser (103) is fixed on described mounting bracket (104) goes up and is positioned at the top of described LED lamp plate (101),

   It is upper that described mounting bracket (104) is fixed on described pedestal (102),

   The conductive contact (111) that described pedestal (102) is provided with the relative chute of twice (110) and is electrically connected with external power supply,

   Described LED lamp plate (101) is arranged in described chute (110), described LED lamp plate (101) along continuous straight runs in described chute (110) moves freely, described in making there is relative displacement with described diffuser (103) in the LED light source of at least two group different colours (201), thereby reach the object of adjustable colors.
2. 2. LED shot-light (100) that can mechanical adjustment color as claimed in claim 1, it is characterized in that, described LED lamp plate (101) also comprises aluminium base (202), pad (203), heat sink (204) and shadow shield (205)

   Wherein, it is upper that described aluminium base (202) is fixed on described heat sink (204), and described aluminium base (202) has the shape matching with described heat sink (204),

   Wherein, described pad (203) is distinguished corresponding and formation electrical connection one by one with the LED light source (201) of described at least two group different colours, described pad (203) is evenly arranged in the outer peripheral edge region of described aluminium base (202)

   Wherein, described shadow shield (205) is evenly separated the LED light source of described at least two group different colours, and the rectangular shape of described shadow shield (205) is evenly arranged on described aluminium base (202).
3. 3. LED shot-light (100) that can mechanical adjustment color as claimed in claim 2, it is characterized in that, the both sides of described heat sink (204) lower surface are provided with the slideway (301) parallel with described chute (110) direction, and described slideway (301) is the groove structure that is symmetrically distributed in described heat sink (204) below.
4. 4. LED shot-light (100) that can mechanical adjustment color as claimed in claim 3, it is characterized in that, described pedestal (102) is provided with at least two pulleys (302) that match with described slideway (301), described at least two pulleys (302) are rotatably evenly arranged in described chute (110), and described LED lamp plate (101) is moved freely under the effect of described at least two pulleys (302) in chute (110).
5. 5. LED shot-light (100) that can mechanical adjustment color as claimed in claim 4, it is characterized in that, the side of described heat sink (204) is evenly arranged LED light source (201) difference the first pit (303) one to one with described at least two group different colours.
6. 6. LED shot-light (100) that can mechanical adjustment color as claimed in claim 5, it is characterized in that, described pedestal (102) is provided with the ball (304) matching with described the first pit (303), described ball (304) rotatably remains in described chute (110) and is roughly in same perpendicular with the described conductive contact (111) of base side, make described pad (203) in the time contacting with described conductive contact (111) described in ball (304) remain in described the first pit (303), stop described LED lamp plate (101) accidental movement in the time that energising is lighted.
7. 7. LED shot-light (100) that can mechanical adjustment color as claimed in claim 4, it is characterized in that, on described aluminium base (202), be evenly arranged LED light source (201) difference the second pit (305) one to one with described at least two group different colours.
8. 8. LED shot-light (100) that can mechanical adjustment color as claimed in claim 7, it is characterized in that, the surface that described mounting bracket (104) is relative with described LED lamp plate (101) is provided with the flange (306) matching with described the second pit (305), described flange (306) is in same perpendicular with described conductive contact (111), described in when described pad (203) is contacted with described conductive contact (111), flange (306) remains in described the second pit (305), stop described LED lamp plate (101) accidental movement in the time that energising is lighted.
9. 9. LED shot-light (100) that can mechanical adjustment color as claimed in claim 4, it is characterized in that, the upper surface of described shadow shield (205) is evenly arranged LED light source (201) difference the 3rd pit (307) one to one with described at least two group different colours.
10. 10. LED shot-light (100) that can mechanical adjustment color as claimed in claim 9, it is characterized in that, the lower surface of described diffuser (103) is provided with the salient point (308) matching with described the 3rd pit (307), the described conductive contact (111) of described salient point (308) and base side is not in same perpendicular, described in when described pad (203) is contacted with described conductive contact (111), salient point (308) remains in described the 3rd pit (307), stop described LED lamp plate (101) accidental movement in the time that energising is lighted.
11. 11. as described in one of claim 1 to 10 can mechanical adjustment color LED shot-light (100), it is characterized in that, described conductive contact (111) is fixed in the blind hole (402) of described pedestal (102) according to the mode loading by spring (401).
12. 12. as described in one of claim 2 to 10 can mechanical adjustment color LED shot-light (100), it is characterized in that, spacing between the white LED light source (201) of the spacing between described pad (203) and described at least two different colours is consistent, make it possible to by mobile by corresponding pad (203) with accordingly described in the conductive contact (111) of LED light source (201) of at least two group different colours contact, go out light color thereby realized mechanical adjustment.
13. 13. as described in one of claim 1 to 10 can mechanical adjustment color LED shot-light (100), it is characterized in that, between described diffuser (103) and described mounting bracket (104), be provided with elastic seal ring, wherein, described diffuser (103) is transparent or milky diffuser plate.