CN102840507A - Lighting device - Google Patents
Lighting device Download PDFInfo
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- CN102840507A CN102840507A CN2011101668276A CN201110166827A CN102840507A CN 102840507 A CN102840507 A CN 102840507A CN 2011101668276 A CN2011101668276 A CN 2011101668276A CN 201110166827 A CN201110166827 A CN 201110166827A CN 102840507 A CN102840507 A CN 102840507A
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Abstract
The invention discloses a lighting device, which comprises a luminous module and a cylindrical outer housing surrounding the luminous module, wherein the luminous module is provided with a light emitting surface positioned at the bottom end; the outer housing and the side wall of the luminous module are respectively provided with fixing structures which fix the outer housing and the luminous module into a whole body through matching with a fixing piece; the lighting device is further provided with a light shield which is positioned between the outer housing and the luminous module; an opening adjacent to the light emitting surface of the luminous module is formed at the bottom end of the light shield; the light shield is movably connected with the outer housing; the light shield is provided with various different fixing positions relative to the outer housing; and light emitted through the light emitting surface of the luminous module is emitted through the opening of the light shield to form a light beam with different luminous angles. The lighting device can be served as a down lamp, and the luminous angles can be adjusted according to demands of different operating environmental atmosphere when in use.
Description
Technical field
The present invention relates to a kind of lighting device, especially relate to the lighting device that a kind of lighting angle can be regulated.
Background technology
Down lamp is a kind of lighting device that is embedded into light down-ejection type in the ceiling.This inner latent the putting property light fixture of ceiling that is flush-mounted in, all light are projection downwards all, belongs to direct luminous intensity distribution.Can use different reflectors, eyeglass, shutter, bulb, obtain different light effects.
Down lamp can be divided into two kinds of recessed down light and exposed type Down lamps.Recessed down light is that Down lamp is embedded in the furred ceiling; Light source does not expose; Can keep the integral body of building decoration unified and perfect, can not influence the furred ceiling art because of the setting of light fixture, recessed down light belongs to the directional type lighting; Two kinds on optically focused and astigmatic type arranged, be usually used in the reinforcement of the additional illumination and the local lighting in hall.Bright fitted tube lamp is different with the concealed installation Down lamp, and Down lamp also not exclusively embeds in the furred ceiling, and light source exposes, and it has more ornamental.
Down lamp can increase the soft atmosphere in space, can alleviate space constriction through many Down lamps of installing, builds warm sensation.Generally in the hotel, family, coffee shop use more.
The structure of general Down lamp comprises: light source, with light source electric connection and the outer cover that the drive circuit of energy, the heat abstractor that is connected with drive circuit is provided, is surrounded with the reverberation bowl of the optical alignment of light source, with reverberation bowl and drive circuit and heat abstractor.The reverberation bowl of this Down lamp and the relative position of light source are fixed basically; Though the reverberation bowl of some Down lamp can rotate; But can only change the light emission direction of Down lamp; The effect of shadow of light fixture ("cut-off"line) all is a fixed value, can't be according to the needs of different environment for use atmosphere and lighting angle is regulated.
Summary of the invention
The lighting device that the object of the present invention is to provide a kind of lighting angle to regulate.The object of the invention adopts following technical scheme to realize: a kind of lighting device; Comprise that a light emitting module and is around the outer cover that surrounds said light emitting module; Said light emitting module have one be positioned at the bottom exiting surface; The sidewall of said outer cover and light emitting module is respectively equipped with fixed structure and the matching and fixing part is fixed together outer cover and light emitting module; It is characterized in that: said lighting device also is provided with a light shield between said outer cover and said light emitting module, and the bottom of said light shield has the opening of the exiting surface of a contiguous said light emitting module, and said light shield and said outer cover flexibly connect; And the said relatively outer cover of said light shield has a plurality of different fixed position, and the light that the exiting surface of said light emitting module sends has different lighting angles through the light beam of the opening outgoing formation of said light shield according to said fixed position.
Said light emitting module comprises a light source, is loaded with one drive circuit and is used to install a substrate of said light source, be connected to a radiating block of said light source and drive circuit heat radiation with said substrate and be arranged at the optical mirror slip on the light source light path; It is a screw that said radiating block is provided with said fixed structure, and said fixture is the screw interlocking of a screw and said radiating block.
The said fixed structure that said outer cover and said light emitting module are respectively equipped with is a screw; Said fixture is a screw; The sidewall of said light shield has at least one stopper slot; Said stopper slot penetrates the surfaces externally and internally of said light shield, and said screw passes behind said screw and the said stopper slot of said outer cover the said screw interlocking with said light emitting module in regular turn.
Said stopper slot is shape linearly, and the bearing of trend of said stopper slot is parallel to the direction that said light shield moves with respect to said outer cover.
The sidewall of said light shield is provided with at least one first kind trip; The sidewall of said outer cover is provided with the second type trip of at least one row corresponding to the first kind trip of said light shield; The first kind trip of said light shield respectively with type of a ranked second trip of said outer cover in one engage, form said a plurality of different fixed position.
The side of the said light shield in said stopper slot edge is shape in the shape of a spiral, and the bearing of trend of said stopper slot favours the direction that said light shield moves with respect to said outer cover.
The outer surface of said light shield has external screw thread, and the inner surface of said outer cover has corresponding to said externally threaded internal thread, and the said external screw thread of said light shield and the said internal thread of said outer cover are spirally connected.
Said stopper slot is stepped and comprise staggered a plurality of level troughs and a plurality of vertical channel along the side of said light shield; The direction that the bearing of trend of said level trough moves with respect to said outer cover perpendicular to said light shield, the bearing of trend of said vertical channel is parallel to the direction that said light shield moves with respect to said outer cover.
Said stopper slot all has a spacing hole on the top of each vertical channel, and the height of said spacing hole is all a little more than adjacent level trough.
The top of said light shield is provided with bead, and when said light shield moved down, said bead was stuck on the said outer cover top.
The object of the invention adopts following technical scheme to realize: a kind of lighting device; Comprise that a column light emitting module and is around the tubular outer cover that surrounds said light emitting module; Said light emitting module have one be positioned at the bottom exiting surface; The sidewall of said outer cover and light emitting module is respectively equipped with fixed structure and the matching and fixing part is fixed together outer cover and light emitting module; Said lighting device also is provided with a tubular light shield between said outer cover and said light emitting module, and the bottom of said light shield has the opening of the exiting surface of a contiguous said light emitting module, and said light shield and said outer cover flexibly connect; And the said relatively outer cover of said light shield has a plurality of different fixed position, and the light that the exiting surface of said light emitting module sends has different lighting angles through the light beam of the opening outgoing formation of said light shield according to said fixed position.
Said light emitting module comprises a light source, is loaded with one drive circuit and is used to install a substrate of said light source, be connected to a radiating block of said light source and drive circuit heat radiation with said substrate and be arranged at the optical mirror slip on the light source light path.
The sidewall of said light shield has at least one stopper slot, and said stopper slot penetrates the surfaces externally and internally of said light shield, and said fixture passes said stopper slot.
Said stopper slot is shape linearly, and said stopper slot has the bottom of a top and a closure, and the bottom restriction light shield of said stopper slot excessively moves up.
The sidewall of said light shield is provided with at least one first kind trip; The sidewall of said outer cover is provided with at least one row and is up and down and arranges and corresponding to second type of trip of first kind trip; There is a rectangular ditch both sides of the trip of type of ranked second whenever on the said outer cover; Said light shield moving straight up and down, the first kind trip of said light shield respectively with type of a ranked second trip of said outer cover in one engage, form said a plurality of different fixed position.
Second type of trip on first kind trip on rectilinear stopper slot and the light shield sidewall and the outer cover can form a plurality of different fixed position.The shape of stopper slot has more than and is limited to rectilinearly, also can be spirality and step-like, and this situation can not need utilize first kind trip and the second type of trip on the outer cover on the light shield sidewall to form a plurality of different fixed position.
When adopting the helical form stopper slot; The outer surface of said light shield has external screw thread; The inner surface of said outer cover has corresponding to said externally threaded internal thread; Said stopper slot is shape and have a top and a closed bottom in the shape of a spiral along the side of said light shield, and the bottom restriction light shield of said stopper slot excessively rotation moves up.
When adopting stepped stopper slot, said stopper slot comprises staggered a plurality of level troughs and a plurality of vertical channel and has a top and the bottom of a closure that the bottom restriction light shield of said stopper slot excessively rotation moves up along the side of said light shield.Said stopper slot all has a spacing hole on the top of each vertical channel, and the height of said spacing hole is all a little more than adjacent level trough.
Stopper slot is the groove of strip, can be that two ends all are closed, and it is closed also can having only an end.When two ends all were closure, it is excessively mobile up and down that light shield can be limited in the two ends of stopper slot.
When the top of stopper slot is open, when the bottom was closed, the top of said light shield was provided with bead, and when said light shield moved down, said bead was stuck on the said outer cover top, and the restriction light shield excessively moves down.
Description of drawings
Fig. 1 is the solid combination sketch map of the lighting device of first embodiment of the invention;
Fig. 2 is the perspective exploded view of the lighting device of first embodiment of the invention;
Fig. 3 A is the generalized section that is in first fixed position shown in Fig. 1 along the light shield of the lighting device of the first embodiment of the invention of A-A ' line;
Fig. 3 B is the generalized section that is in second fixed position shown in Fig. 1 along the light shield of the lighting device of the first embodiment of the invention of A-A ' line;
Fig. 3 C is the generalized section that is in the 3rd fixed position shown in Fig. 1 along the light shield of the lighting device of the first embodiment of the invention of A-A ' line;
Fig. 3 D is the generalized section that is in the 4th fixed position shown in Fig. 1 along the light shield of the lighting device of the first embodiment of the invention of A-A ' line;
Fig. 3 E is the generalized section that is in the 5th fixed position shown in Fig. 1 along the light shield of the lighting device of the first embodiment of the invention of A-A ' line;
Fig. 4 is the solid combination sketch map of the lighting device of second embodiment of the invention;
Fig. 5 is the perspective exploded view of the lighting device of second embodiment of the invention;
Fig. 6 is the solid combination sketch map of the lighting device of third embodiment of the invention;
Fig. 7 is the perspective exploded view of the lighting device of third embodiment of the invention.
The specific embodiment
To combine accompanying drawing that the specific embodiment of the invention is done further to specify below.
First embodiment
See also shown in Fig. 1, Fig. 2, Fig. 3 A-Fig. 3 E; Fig. 1 is the solid combination sketch map of the lighting device 10 of first embodiment of the invention; Fig. 2 is the perspective exploded view of the lighting device 10 of first embodiment of the invention; Fig. 3 A-Fig. 3 E is the plane that in Fig. 1, is positioned at two type of the ranked second trips place of light shield both sides, promptly along A-A ' line, cuts formed generalized section.A kind of lighting device 10 comprises that a light emitting module that roughly is column 11, one are around outer cover 12 and the light shield 13 between said outer cover 12 and said light emitting module 11 of surrounding said light emitting module 11.As shown in the figure; That the light emitting module of lighting device is is cylindric, outer cover and light shield all are cylindric; So being merely the usefulness of explaining orally signal, is not with limiting the present invention, and promptly light emitting module, outer cover and light shield also can be semicircle tubular, oval tubular, rectangle tubular or polygon tubular etc.Said light emitting module 11 comprises down light source 14 of light direction, be loaded with drive circuit and be used to install said light source 14 substrate 15, be positioned at said substrate 15 tops and be connected the radiating block 16 of giving said light source 14 and drive circuit heat radiation with said substrate 15 and be arranged at the optical mirror slip 17 on the light source light path, the bottom of light emitting module 11 forms an exiting surface 18.
In this embodiment, said light source 14 is a plurality of LED, and said optical mirror slip 17 evenly and around the sidewall of said transparent thin board is made up of a transparent thin board and thickness, is suitable for covering the substrate 15 that said light source 14 is installed.Outer cover 12 and light emitting module 11 are respectively equipped with fixed structure and are connected with fixture collocation, and outer cover 12 and light emitting module 11 are fixed together.In one embodiment, the fixed structure that outer cover 12 and light emitting module 11 are respectively equipped with is a screw, and fixture is a screw.The sidewall of said outer cover 12 is provided with two screws 19 of symmetrical distribution; Also be provided with on the sidewall of said radiating block 16 with outer cover 12 on the corresponding screw 20 of screw 19; Screw 21 passes screw 20 interlockings on screw 19 and the radiating block 16 on the said outer cover 12, and outer cover 12 and light emitting module 11 are fixed together.
Said light shield 13 is between said outer cover 12 and said light emitting module 11; And flexibly connect with said outer cover 12; The bottom has the opening 30 of the exiting surface 18 of a contiguous said light emitting module 11; Sidewall has the stopper slot 22 of two symmetries corresponding to the screw 19 on outer cover 12 and the radiating block 16, and said screw 21 passes the said screw 19 of said outer cover 12 and said screw 20 interlockings of said stopper slot 22 backs and said light emitting module 11 in regular turn.Said stopper slot 22 penetrates the surfaces externally and internally of said light shield 13 so that screw 21 passes; And said stopper slot 22 is shape linearly; Have the top 23 of an opening and the bottom 24 of a closure; When said light shield 13 moved up, said screw 21 was blocked in said bottom 24, and restriction light shield 13 excessively moves up.The top of said light shield 13 is provided with bead 25, and when said light shield 13 moved down, said bead 25 was stuck on the top 26 of said outer cover 12, and restriction light shield 13 excessively moves down.Wherein, the bearing of trend of stopper slot 22 is parallel to the direction that said light shield 13 moves with respect to said outer cover 12 or said light emitting module 11.
Really; In this embodiment, said stopper slot 22 is that the top is open and the bottom is closed, and in fact spacing groove is also can two ends all closed; Like this then do not need the bead on top; This can select according to different application requirements, and the present invention second and the 3rd embodiment can adopt this kind structure, and back literary composition elaborates again.The sidewall of said light shield 13 is provided with the first kind trip 27 of two symmetrical distributions, and the sidewall of said outer cover 12 is provided with the second type of trip 28 and corresponding with the first kind trip 27 of said light shield 13 arranging up and down that be of two row's symmetrical distributions.In this embodiment, whenever all have the trip that five intervals equate on type of the ranked second trip 28, and whenever there is a rectangular ditch 29 both sides of type of ranked second trip 28, but the regional structure that makes second type of trip 28 arrange the place has flexible resilient.Thereby any one in said first kind trip 27 and the said second type of trip 28 engages said light shield 13 fixing with said outer cover 12.
Said light shield 13 can straight up and down move; When removing pull light shield 13 so that external force is for example free-hand; Said outer cover 12 is because of being fixed in furred ceiling so not influenced by external force; And said light emitting module 11 is fixed with respect to outer cover 12, and 13 of said light shields are because it goes up on set first kind trip 27 and the outer cover 12 set second type of trip 28 produces and interfere and cause that set second type of trip 28 slightly flexibly is out of shape laterally on the outer cover 12, makes that set first kind trip 27 can slip over second type of trip 28 of set current location on the outer cover 12 and pull out a stratum on the light shield 13; And engage 28 with next second type of trip, form another fixed position.Because in this embodiment, set second type of trip 28 has five on the said outer cover 12, so light shield 13 has five different fixed positions, but in other embodiment not as limit.Otherwise if will be with light shield 13 withdrawals, principle be identical.Said light shield 13 is on the different fixed position; Because upright position of living in has changed; So the degree of cutting light of the set opening 30 in light shield 13 bottoms is also different, so the light beam that the opening outgoing of the light that the exiting surface 18 of said light emitting module 11 sends through said light shield 13 forms has different lighting angles.Below in conjunction with accompanying drawing the pairing different lighting angles in variant fixed position are described.
Shown in Fig. 3 A; When light shield 13 was positioned at first fixed position, the bottom 24 and the screw 21 of stopper slot 22 blocked, and restriction light shield 13 excessively moves up; Exiting surface 18 is parallel to the opening 30 of light shield 13 bottoms; The light that exiting surface 18 sends does not receive stopping of light shield 13, so the angle of opening the light of lighting device 10 reaches maximum, lighting angle is for approach 180 ° soon.Shown in Fig. 3 B, when light shield 13 was positioned at second fixed position, the opening 30 of light shield 13 bottoms protruded from exiting surface 18 slightly, and light shield 13 has stopped the light that a part of exiting surface 18 sends, and lighting angle reduces, and is 164 °, began to have certain shadow by effect.Shown in Fig. 3 C, when light shield 13 was positioned at the 3rd fixed position, the opening 30 of light shield 13 bottoms further protruded from exiting surface 18; The light that exiting surface 18 sends is stopped by light shield 13 more; Lighting angle further reduces, and is 150 °, and shadow is strengthened by effect.
Shown in Fig. 3 D, when light shield 13 was positioned at the 4th fixed position, the opening 30 of light shield 13 bottoms further protruded from exiting surface 18 again; The light that exiting surface 18 sends is stopped by light shield 13 again more; Lighting angle further reduces again, is 136 °, and shadow is strengthened again by effect.Shown in Fig. 3 E, when light shield 13 was positioned at the 5th fixed position, the bead 25 on light shield 13 tops was stuck on said outer cover 12 tops 26; Restriction light shield 13 excessively moves down; The opening 30 of light shield 13 bottoms far protruded from exiting surface 18 and reached ultimate range this moment, and the light that exiting surface 18 sends is reached maximum by the amount that light shield 13 is stopped, lighting angle reaches minimum of a value; Be 124 °, shadow is the strongest by effect.
Second embodiment
See also Fig. 4 and shown in Figure 5, Fig. 4 is the solid combination sketch map of the lighting device 40 of second embodiment of the present invention, and Fig. 5 is the lateral parts perspective view of the lighting device 40 of second embodiment of the present invention.A kind of lighting device 40 comprises that a column light emitting module 41, one are around the tubular light shield 43 of tubular outer cover 42 and between said outer cover 42 and said light emitting module 41 that surrounds said light emitting module 41.As shown in the figure, that the light emitting module of lighting device is is cylindric, outer cover and light shield all are cylindric, so is merely the usefulness of explaining orally signal, is not with limiting the present invention.Wherein, The structure of said light emitting module 41 and said outer cover 42 are identical with first embodiment with the fixed structure of light emitting module 41; Be mainly that with the difference of first embodiment sidewall of said light shield 43 is provided with and is two spiral helicine stopper slots 44 and is used for ccontaining screw 47, and top 45 is all closed with bottom 46; The top 45 restriction light shields 43 of said stopper slot 44 excessively move down, and the bottom 46 restriction light shields 43 of said stopper slot 44 excessively move up.Spiral helicine stopper slot 44 is not the both sides that are symmetrically distributed in light shield, so two screws 47 also are not necessarily to be symmetrically distributed.The bearing of trend of stopper slot 44 favours the direction that said light shield 43 moves with respect to said outer cover 42 or said light emitting module 41.The outer surface of said light shield 43 is provided with external screw thread 48, and the inner surface of said outer cover 42 is provided with internal thread 49, and the external screw thread 48 of said light shield 43 is spirally connected with the internal thread 49 of said outer cover 42.Said light shield 43 rises with respect to said outer cover 42 rotations or decline forms a plurality of different fixed position; And in the different fixed position, the light that the exiting surface 50 of said light emitting module 41 sends has different lighting angles through the light beam of the opening 51 outgoing formation of said light shield 43 bottoms.
When for example free-hand during along first direction rotation light shield 43 with external force; Outer cover 42 is because of being fixed in furred ceiling so not influenced by external force; And said light emitting module 41 is fixed with respect to outer cover 42; 43 of light shields are because light shield 43 outer surfaces have the external screw thread 48 corresponding with the internal thread of outer cover 42 inner surfaces 49, and light shield 43 is understood rotary moving down.In this embodiment, first direction is counterclockwise.Otherwise, if will light shield 43 withdrawals can be rotated light shield 43 along second direction.Said second direction is in contrast to said first direction, and in this embodiment, second direction is a clockwise direction.Certainly, first direction also can be clockwise direction and second direction for counterclockwise.Light shield 43 upright positions at this time have been changed, and just can change the degree of cutting light.Internal thread 49 on the outer cover 42 forms spiral groove along the inwall of outer cover 42, and with external screw thread 48 cooperatings on the light shield 43, light shield 43 was to lower slider when spiral groove on the outer cover 42 and the coupling mechanism force between the external screw thread on the light shield 48 can prevent to use.When light shield 43 is positioned at the extreme higher position; The bottom 46 and the screw 47 of stopper slot 44 offset; Restriction light shield 43 excessively moves up; Exiting surface 50 is parallel to the opening 51 of light shield 43 bottoms, and the light that exiting surface 50 sends does not receive stopping of light shield 43, so the angle of opening the light of lighting device 40 reaches maximum.When along first direction rotation light shield 43, light shield 43 rotations move down, and the upright position of light shield 43 is changed; The opening 51 of light shield 43 bottoms protrudes from exiting surface 50; Light shield 43 has stopped the light that a part is come out through exiting surface 50, and lighting angle reduces, and begins to have shadow by effect.
During further along first direction rotation light shield 43; Light shield 43 continues rotation and moves down; The upright position of light shield 43 further is changed, and the opening 51 of light shield 43 bottoms further protrudes from exiting surface 50, and light shield 43 has stopped the light that a part is come out through exiting surface 50; Lighting angle reduces, and shadow is strengthened by effect.Continuation is along first direction rotation light shield 43; Light shield 43 continues rotation and moves down, and the top 45 and the screw 47 of stopper slot 44 offset, and restriction light shield 43 excessively moves down; The opening 51 of light shield 43 bottoms far protruded from exiting surface 50 and reached ultimate range this moment; Come out and the amount of the light that stopped by light shield 43 reaches maximum by exiting surface 50, lighting angle reaches minimum of a value, and shadow dead line effect is the strongest.Simultaneously, the top 45 of stopper slot 44 and bottom 46 except with screw 47 effect restriction light shields 43 excessively down reach up move, the tight lock power between stopper slot 44 and the screw 47 can further prevent the slip of light shield 43.Because light shield 43 was to lower slider when tight lock power between the external screw thread 48 of light shield 43 outer surfaces and the internal thread 49 of outer cover inner surface and/or the tight lock power between stopper slot 44 and the screw 47 can prevent to use; So light shield 43 can be in the optional position in the limit that moves up and down of the bottom of top 45 that rests on stopper slot 44 closures and closure 46 qualifications, the angle of promptly opening the light can change continuously.
The 3rd embodiment
See also Fig. 6 and shown in Figure 7, Fig. 6 shows the combination intention for the solid of the lighting device 60 of the 3rd embodiment of the present invention, and Fig. 7 is the lateral parts perspective view of the lighting device 60 of the 3rd embodiment of the present invention.
A kind of lighting device 60, the light emitting module 61, one that comprise a column are around tubular outer cover 62 and the tubular light shield 63 between said outer cover 62 and said light emitting module 61 of surrounding said light emitting module 61.As shown in the figure, that the light emitting module of lighting device is is cylindric, outer cover and light shield all are cylindric, so is merely the usefulness of explaining orally signal, is not with limiting the present invention.Wherein, The structure of said light emitting module 61 and said outer cover 62 are identical with second embodiment with the fixed structure and first embodiment of light emitting module 61; Mainly be with the difference of first embodiment and second embodiment; The sidewall of said light shield 63 is provided with the stair-stepping stopper slot 64 of two symmetrical distributions, and said stopper slot 64 penetrates the surfaces externally and internally of said light shield 63, and screw 65 passes said stopper slot 64.Said stopper slot 64 comprises staggered a plurality of level troughs and a plurality of vertical channel; The direction that the bearing of trend of said level trough moves with respect to said outer cover 62 or said light emitting module 61 perpendicular to said light shield 63, the bearing of trend of said vertical channel are parallel to the direction that said light shield 63 moves with respect to said outer cover 62 or said light emitting module 61.
The vertical channel that the level trough that said every stepped stopper slot 64 is equated by four segment length is equal with four segment length is staggered to be constituted; Wherein an end of first level trough 66 links to each other with an end of first vertical channel 70; Another free terminal of first level trough 66 is provided with first spacing hole 74; The other end of first vertical channel 70 links to each other with an end of second level trough 67 and the other end that is provided with second spacing hole, 75, the second level troughs 67 links to each other with an end of second vertical channel 71, and the other end of second vertical channel 71 links to each other with an end of the 3rd level trough 68 and is provided with the 3rd spacing hole 76; The other end of the 3rd level trough 68 links to each other with an end of the 3rd vertical channel 72; The other end of the 3rd vertical channel 72 links to each other with an end of the 4th level trough 69 and the other end that is provided with the 4th spacing hole 77, the four level troughs 69 links to each other with an end of the 4th vertical channel 73, and another free terminal of the 4th vertical channel 73 is provided with the 5th spacing hole 78; One has five spacing holes; Be that said light shield has five fixed positions, and said each spacing hole is all a little more than adjacent level trough, this difference in height and can be used for holding the usefulness that screw 65 is done location.The free terminal of the free terminal of said first level trough 66 and the 4th vertical channel 73 promptly is respectively the bottom and the top of said stopper slot 64; Said light shield 63 stageds rotation moves up and down; When said light shield 63 moves up; First spacing hole 74 is the position of fixing said light shield 63 not only, more limits light shield 63 and excessively moves up.When said light shield 63 moved down, the 5th spacing hole 78 is the position of fixing said light shield 63 not only, more limits light shield 63 and excessively moves down.Certainly, can cooperate whole light fixture design, the quantity of change level trough, vertical channel and spacing hole, example that this embodiment is lifted not is in order to exceed.
When first spacing hole 74 offsets with screw 79; Light shield 63 is positioned at first fixed position; The exiting surface 80 of light emitting module 61 is parallel to the opening 81 of light shield 63 bottoms, and the light that exiting surface 80 sends does not receive stopping of light shield 63, so the angle of opening the light of lighting device 60 reaches maximum.So that external force is for example free-hand light shield 63 is promoted a little vertically upward, light shield 63 relative screw 79 motions, first spacing hole 74 leaves screw 79; Along first direction rotation light shield 63 it is moved along first level trough 66 then, make first vertical channel 70 move to screw 79 positions, under the effect of gravity; Light shield 63 is motion down, screw 79 is sticked in be higher than second spacing hole 75 of adjacent level groove, and light shield 63 is positioned at second fixed position; The opening 81 of light shield 63 bottoms protrudes from exiting surface 80; Light shield 63 has stopped the light that a part is come out through exiting surface 80, and lighting angle reduces, and begins to have shadow by effect.In this embodiment, first direction is a clockwise direction.Continue to repeat above-mentioned action; Engage with screw 79 up to the 3rd spacing hole 76; Light shield 63 is positioned at the 3rd fixed position, and the opening 81 of light shield 63 bottoms further protrudes from exiting surface 80, and the light that exiting surface 80 comes out is stopped by light shield 63 more; Lighting angle further reduces, and shadow is strengthened by effect.
Continue to repeat above-mentioned action again; Engage with screw 79 up to the 4th spacing hole 77; Light shield 63 is positioned at the 4th fixed position, and the opening 81 of light shield 63 bottoms further protrudes from exiting surface 80 again, and the light that exiting surface 80 comes out is stopped by light shield 63 again more; Lighting angle further reduces again, and shadow is strengthened again by effect.Continue to repeat above-mentioned action again; Engage with screw 79 up to the 5th spacing hole 78; Light shield 63 is positioned at the 5th fixed position, and the opening 81 of light shield 63 bottoms far protruded from exiting surface 80 and reached ultimate range this moment, is come out and the amount of the light that stopped by light shield 63 reaches maximum by exiting surface 80; Lighting angle reaches minimum of a value, and shadow is the strongest by effect.Otherwise, if will light shield 43 withdrawals can be promoted light shield 63 so that external force is for example free-hand a little vertically upward; Light shield 63 relative screw 79 motions, the 5th spacing hole 78 leaves screw 79, along second direction rotation light shield 63 it is moved along the 4th level trough 69 then; Make the 3rd vertical channel 72 move to screw 79 positions; Under the effect of gravity, light shield 63 is motion down, screw 79 is sticked in be higher than the 4th spacing hole 77 of adjacent level groove.Said second direction is in contrast to said first direction, and in this embodiment, second direction is counterclockwise.Certainly, first direction also can be counterclockwise and second direction is a clockwise direction.
Just as preceding said, the two ends of the stopper slot among the present invention on the light shield can all be closed, can all be open also, also can be that upper end closure and lower end are open, also can be that lower end closure and upper end are open.When the lower end was open, light shield more can produce different effect of shadow because of light exposes from stopper slot simultaneously except that can having the light action of cutting.And the shape of stopper slot except as the described linear of preamble, helical form and stepped, also can also be other shape, this can change according to the application demand of reality fully.
When adopting two ends all to be the stopper slot of closure, during like employing linear, helical form and stair-stepping stopper slot, closed lower end can be limited light shield and excessively moved up, and closed upper end can be limited light shield and excessively moved down.
When adopting the stopper slot that the upper end is open and the lower end is closed, during like employing linear, helical form and stair-stepping stopper slot, closed lower end can be limited light shield and excessively moved upward.Because the upper end of stopper slot is open, break away from lighting device in order to prevent light shield, can bead be set on the top of light shield.When light shield moved down, said bead was stuck on the outer cover top, and the restriction light shield excessively moves down.
Above-mentioned so-called top and bottom are equal to above-mentioned so-called top and bottom respectively.
Above-mentioned lighting device can be applied on the products such as room lighting or outdoor lighting.
The set opening in order to section light in above-mentioned light shield bottom can be horizontal plane, inclined plane or irregular curved surface, to reach section the light purpose and the effect of special applications situation.
The optical mirror slip that the present invention utilizes can suitably be selected according to different luminous intensity distribution demands.For example, adopt convex lens can produce the effect of optically focused as optical mirror slip; Adopt concavees lens can produce the effect of divergent rays as optical mirror slip; The optical mirror slip that adopts frosted or be mixed with diffusate can obtain the illumination of illuminance distribution.The optical mirror slip that also can utilize the optical mirror slip of different colours or be mixed with the wavelength shift material is built the different environment atmosphere.
Above embodiment is merely three kinds of specific embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the present invention's design, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with accompanying claims.
Claims (10)
1. lighting device; Comprise that a light emitting module and is around the outer cover that surrounds said light emitting module; Said light emitting module have one be positioned at the bottom exiting surface; The sidewall of said outer cover and light emitting module is respectively equipped with fixed structure and the matching and fixing part is fixed together outer cover and light emitting module; It is characterized in that: said lighting device also is provided with a light shield between said outer cover and said light emitting module, and the bottom of said light shield has the opening of the exiting surface of a contiguous said light emitting module, and said light shield and said outer cover flexibly connect; And the said relatively outer cover of said light shield has a plurality of different fixed position, and the light that the exiting surface of said light emitting module sends has different lighting angles through the light beam of the opening outgoing formation of said light shield according to said fixed position.
2. lighting device as claimed in claim 1; It is characterized in that: said light emitting module comprises a light source, is loaded with one drive circuit and is used to install a substrate of said light source, be connected to a radiating block of said light source and drive circuit heat radiation with said substrate and be arranged at the optical mirror slip on the light source light path; It is a screw that said radiating block is provided with said fixed structure, and said fixture is the screw interlocking of a screw and said radiating block.
3. lighting device as claimed in claim 1; It is characterized in that: the said fixed structure that said outer cover and said light emitting module are respectively equipped with is a screw; Said fixture is a screw; The sidewall of said light shield has at least one stopper slot, and said stopper slot penetrates the surfaces externally and internally of said light shield, and said screw passes behind said screw and the said stopper slot of said outer cover the said screw interlocking with said light emitting module in regular turn.
4. lighting device as claimed in claim 3 is characterized in that: said stopper slot is shape linearly, and the bearing of trend of said stopper slot is parallel to the direction that said light shield moves with respect to said outer cover.
5. lighting device as claimed in claim 4; It is characterized in that: the sidewall of said light shield is provided with at least one first kind trip; The sidewall of said outer cover is provided with the second type trip of at least one row corresponding to the first kind trip of said light shield; The first kind trip of said light shield respectively with type of a ranked second trip of said outer cover in one engage, form said a plurality of different fixed position.
6. lighting device as claimed in claim 3 is characterized in that: the side of the said light shield in said stopper slot edge is shape in the shape of a spiral, and the bearing of trend of said stopper slot favours the direction that said light shield moves with respect to said outer cover.
7. lighting device as claimed in claim 6 is characterized in that: the outer surface of said light shield has external screw thread, and the inner surface of said outer cover has corresponding to said externally threaded internal thread, and the said external screw thread of said light shield and the said internal thread of said outer cover are spirally connected.
8. lighting device as claimed in claim 3; It is characterized in that: said stopper slot is stepped and comprise staggered a plurality of level troughs and a plurality of vertical channel along the side of said light shield; The direction that the bearing of trend of said level trough moves with respect to said outer cover perpendicular to said light shield, the bearing of trend of said vertical channel is parallel to the direction that said light shield moves with respect to said outer cover.
9. lighting device as claimed in claim 8 is characterized in that: said stopper slot all has a spacing hole on the top of each vertical channel, and the height of said spacing hole is all a little more than adjacent level trough.
10. lighting device as claimed in claim 1 is characterized in that: the top of said light shield is provided with bead, and when said light shield moved down, said bead was stuck on the said outer cover top.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101668276A CN102840507A (en) | 2011-06-21 | 2011-06-21 | Lighting device |
| TW101121992A TW201300694A (en) | 2011-06-21 | 2012-06-20 | Illuminating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101668276A CN102840507A (en) | 2011-06-21 | 2011-06-21 | Lighting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102840507A true CN102840507A (en) | 2012-12-26 |
Family
ID=47368119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101668276A Pending CN102840507A (en) | 2011-06-21 | 2011-06-21 | Lighting device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102840507A (en) |
| TW (1) | TW201300694A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116520650A (en) * | 2023-06-21 | 2023-08-01 | 张家港奇点光电科技有限公司 | Photoetching machine light source head assembly |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105910028B (en) * | 2016-06-16 | 2018-03-30 | 南京国豪装饰安装工程股份有限公司 | A kind of exhibition room illuminates ceiling with single illuminator |
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| CN2535862Y (en) * | 2002-04-09 | 2003-02-12 | 高国建 | Wide-view multifunction warner |
| US7473007B1 (en) * | 2007-08-22 | 2009-01-06 | Cheng-Kuo Wang | Adjustable lamp |
| US20090251893A1 (en) * | 2008-04-02 | 2009-10-08 | Wen-Chin Shiao | LED flashlight with mechanical switch operable to adjust light brightness |
| CN101749549A (en) * | 2010-01-20 | 2010-06-23 | 吴建军 | Illuminating lamp with telescopic lamp holder hood |
| CN201575322U (en) * | 2009-11-13 | 2010-09-08 | 程实 | Flashlight |
| CN201636559U (en) * | 2010-01-20 | 2010-11-17 | 吴建军 | Illuminating lamp with telescopic lamp base cover |
-
2011
- 2011-06-21 CN CN2011101668276A patent/CN102840507A/en active Pending
-
2012
- 2012-06-20 TW TW101121992A patent/TW201300694A/en unknown
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2535862Y (en) * | 2002-04-09 | 2003-02-12 | 高国建 | Wide-view multifunction warner |
| US7473007B1 (en) * | 2007-08-22 | 2009-01-06 | Cheng-Kuo Wang | Adjustable lamp |
| US20090251893A1 (en) * | 2008-04-02 | 2009-10-08 | Wen-Chin Shiao | LED flashlight with mechanical switch operable to adjust light brightness |
| CN201575322U (en) * | 2009-11-13 | 2010-09-08 | 程实 | Flashlight |
| CN101749549A (en) * | 2010-01-20 | 2010-06-23 | 吴建军 | Illuminating lamp with telescopic lamp holder hood |
| CN201636559U (en) * | 2010-01-20 | 2010-11-17 | 吴建军 | Illuminating lamp with telescopic lamp base cover |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116520650A (en) * | 2023-06-21 | 2023-08-01 | 张家港奇点光电科技有限公司 | Photoetching machine light source head assembly |
| CN116520650B (en) * | 2023-06-21 | 2023-09-15 | 张家港奇点光电科技有限公司 | Photoetching machine light source head assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201300694A (en) | 2013-01-01 |
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| ASS | Succession or assignment of patent right |
Owner name: EVERLIGHT ELECTRONICS (CHINA) CO., LTD. Free format text: FORMER OWNER: EVERLIGHT YI-GUANG TECHNOLOGY (SHANGHAI) CO., LTD. Effective date: 20130816 |
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Effective date of registration: 20130816 Address after: 215200, Zhongshan North Road, Wujiang Economic Development Zone, Jiangsu, 2135 Applicant after: Everlight Electronics (China) Co.,Ltd. Applicant after: Everlight Electronics Co.,Ltd. Address before: 201203, room 6, building 88, 302 Darwin Road, Zhangjiang hi tech park, Shanghai Applicant before: Everlight Yi-Guang Technology (Shanghai) Co.,Ltd. Applicant before: Everlight Electronics Co.,Ltd. |
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Application publication date: 20121226 |