CN102287650A - Lamphouse - Google Patents

Lamphouse Download PDF

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Publication number
CN102287650A
CN102287650A CN2011102286599A CN201110228659A CN102287650A CN 102287650 A CN102287650 A CN 102287650A CN 2011102286599 A CN2011102286599 A CN 2011102286599A CN 201110228659 A CN201110228659 A CN 201110228659A CN 102287650 A CN102287650 A CN 102287650A
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CN
China
Prior art keywords
light source
source assembly
lamp box
described light
lens
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN2011102286599A
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Chinese (zh)
Inventor
梁俊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHENZHEN RISHANG OPTO-ELECTRONICS CO LTD
Original Assignee
SHENZHEN RISHANG OPTO-ELECTRONICS CO LTD
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SHENZHEN RISHANG OPTO-ELECTRONICS CO LTD filed Critical SHENZHEN RISHANG OPTO-ELECTRONICS CO LTD
Priority to CN2011102286599A priority Critical patent/CN102287650A/en
Publication of CN102287650A publication Critical patent/CN102287650A/en
Pending legal-status Critical Current

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  • Fastening Of Light Sources Or Lamp Holders (AREA)

Abstract

The invention relates to a lamphouse which comprises a light source assembly and a box body provided with at least one emergent light surface, wherein the light source assembly comprises a light source and is symmetrically arranged on two opposite sides, closed to the emergent light surface, of the box body, and the light directions are opposite. The lamphouse is characterized in that the light source assembly also comprises a spotlighting module which covers the light source, the spotlighting module comprises a lens shade with an emergent light hole and a lens accommodated in the emergent light hole, and lights sent by the light source assembly are converged by the lens to form a cone-shaped light path; and the top angle of the cone-shaped light path is alpha, and meets the relation that tg alpha/2=L/H, wherein L is a spacing between the light source assembly and the emergent light surface, and H is half a spacing between the two opposite sides. The lamphouse provided by the invention has the advantages of lower lamphouse cost and lower energy consumption.

Description

Lamp box
[technical field]
The present invention relates to a kind of decorating lighting lamp, particularly relate to a kind of lamp box.
[background technology]
Lamp box is a kind of common decorating lighting lamp, is used for advertisement more, guides lighting field.Usually in use again exiting surface stamp contents such as literal, pattern, electrified light emitting then has the significant illuminating effect of vision thereby produce.
Lamp box in the conventional art light sources that adopt are fluorescent tube more.The color of fluorescent tube is comparatively single, and the luminous flicker that often has high frequency, can't reach desirable effect as advertisement, guide lighting source.The fluorescent tube operating power is big, and the life-span is short, and promptly electricity wasting needs the user often to change fluorescent tube again, thereby has increased user's use cost.
Lamp box in the conventional art also has many employing LED illuminating module as light source.The LED illuminating module is installed in lamp box, installs additional and the big or small similar accessory mounting plate of the exiting surface of lamp box, then the LED illuminating module is installed on the accessory mounting plate cost height of dress lamp.And in order to reach the effect of even illumination, need to install a large amount of LED illuminating module and cover light-emitting area, make the energy consumption of lamp box improve greatly.
[summary of the invention]
Based on this, be necessary to provide the lamp box of the lower and low energy consumption of a kind of cost.
A kind of lamp box, comprise light source assembly and casing with at least one exiting surface, described light source assembly comprises light source, described light source assembly is symmetricly set in described casing near on two relative sides of exiting surface, and direction of illumination is relative, and described light source assembly also comprises the concentration module that covers in described light source; Described concentration module comprises light shield with light hole and the lens that are contained in described light hole; The light that described lens send described light source assembly is converged to the conical illumination light path, and the drift angle of described conical illumination light path is α, and it satisfies following relation:
tgα/2＝L/H
Wherein, L is the spacing between described light source assembly and the described exiting surface, and H is half of spacing between described two opposite flanks.
Preferably, described light source assembly is a plurality of, spaced set linearly, and the quantity that is installed on the light source assembly on described two relative sides equates.
Preferably, described light source assembly also comprises the radiating piece affixed with described concentration module, and described light source is between described concentration module and described radiating piece.
Preferably, the back side of described radiating piece and described light source contact-making surface is outward extended with the fin that is erected in described radiating piece surface.
Preferably, described two relative sides are provided with the installing rack that described light source assembly is installed.
Preferably, described installing rack comprises mounting seat that is fixed in described two relative side and the bracing frame that extends towards same direction from described mounting seat two ends, and described mounting seat and support frame as described above form the accepting groove of accommodating described light source assembly.
Preferably, the side of described light source assembly and described light source contact-making surface is provided with mounting groove; Support frame as described above is extended with projection in described accepting groove; Described projection is fixed on described light source assembly on the described installing rack by the mounting groove that supports described light source assembly.
Preferably, described light hole is circular, and described lens are round lens, and the edge of described lens supports the hole wall of described light hole, and described light source is spot light and is positioned on the axis of described lens.
Preferably, described light source is the LED illuminating module.
Preferably, described casing is a rectangle, and described exiting surface is two, and is oppositely arranged; And described light source assembly equates to the distance of described two exiting surfaces; The arc-tangent value of the ratio of the distance between the distance between described two exiting surfaces and two the relative sides is 2.5 ° to 22.5 °.
The lamp box that has adopted said structure does not adopt accessory mounting plate when the light source module is installed, but directly the light source module is installed in two sides of the exiting surface of light box, makes the cost of installing reduce.Simultaneously, light source assembly shines on the exiting surface from the relative both sides of casing, with the irradiated area of increase single source assembly at exiting surface, thus the number of minimizing light source module, thus the general power of reduction lamp box energy consumption, and then played energy-conservation effect.
[description of drawings]
Fig. 1 is the front view of the lamp box of present embodiment;
Fig. 2 is the vertical view of certain light source assembly on the lamp box shown in Figure 1;
Fig. 3 is the side view of light source assembly shown in Figure 2;
Fig. 4 is the profile of light source assembly shown in Figure 2;
Fig. 5 is the light path schematic diagram of lamp box shown in Figure 1;
Fig. 6 is the partial enlarged drawing of X part among Fig. 5.
[specific embodiment]
In order to solve the high problem of existing lighting lamphouse energy consumption, a kind of technique improvement scheme of novel lamp box has been proposed now.
As shown in Figure 1, the lamp box 100 of present embodiment comprises the light source assembly 140 of the casing 120 with at least one exiting surface and two relative sides that are symmetricly set in casing 120 close exiting surfaces.Two light source assembly 140 direction of illuminations are relative.
In the present embodiment, casing 120 is a rectangular structure, has two relative exiting surfaces, and the distance of 140 to two exiting surfaces of light source assembly equates.Distance between two exiting surfaces is the thickness of casing 120, and the distance that casing 120 is provided with between two relative sides of light source assembly is the width of casing 120.The thickness of casing 120 is preferably 12 centimetres to 30 centimetres usually, and the width of casing 120 is preferably 60 centimetres to 120 centimetres usually, and the arc-tangent value of the ratio of casing 120 thickness and width is 2.5 ° to 22.5 °.
In the concrete present embodiment, the thickness of casing 120 is 20 centimetres, and the width of casing 120 is 80 centimetres.The distance of 140 to two exiting surfaces of light source assembly equates, is 10 centimetres.Light source assembly 140 is 14 ° to half the arc-tangent value of ratio of the distance of exiting surface and casing 120 width.
As shown in Figure 1, the side of the exiting surface of casing 120 comprises the first relative side 122 and second side 124, and the quantity that is installed on the light source assembly 140 of first side 122 equates with the quantity of the light source assembly 140 that is installed on second side 124; Light source assembly 140 on the same side is spaced installation according to fixed range, and described fixed range is less than or equal to the thickness of described casing at interval; The direction of illumination of the light source assembly on first side 122 and second side 124 one by one over against.
In the present embodiment, casing 120 is installed long 100 centimetres of the side of light source assemblies 140, and light source assembly on the same side 140 is spaced with fixed range, and fixed range is identical with the thickness of casing 120 at interval, is 20 centimetres.
Please also refer to Fig. 5 and Fig. 6, the side that casing 120 is installed light source assembly 140 is provided with installing rack 128.The bracing frame 1284 that installing rack 128 comprises mounting seat 1282 and extends towards same direction from mounting seat 1282 two ends.Mounting seat 1282 is fixed on casing 120 and installs on the side of light source assembly 140.Mounting seat 1282 and bracing frame 1284 constitute accepting groove 1286.In described accepting groove 1286, be extended with projection 1288 on the bracing frame 1284.Light source assembly 140 is contained in accepting groove 1286.
Please also refer to Fig. 2, Fig. 3 and Fig. 4, light source assembly 140 comprises radiating piece 142, be fixedly installed in light source 144 on the radiating piece 142, cover in the fixedly connected concentration module 146 of light source 144 and edge and radiating piece 142, the electric wire 148 that passes radiating piece 142 and be electrically connected with light source 144.
As shown in Figure 4, radiating piece 142 is preferably tetragonal copper coin, can be other Heat Conduction Materials also, as iron, and aluminium etc.The one side of radiating piece 142 (establish the back side that this face is a radiating piece 142, on the other side is positive, below repeats no more) is outward extended with the fin 1422 that polylith is erected in radiating piece 142 surfaces.Fin 1422 has increased the contact area of radiating piece 142 with air, makes that the heat dispersion of radiating piece 142 is more outstanding.
Two sides of radiating piece 142 are also outward extending two fixed mounts 1424.Two fixed mounts 1424 are provided with two mounting grooves 1426.The opening of two mounting grooves 1426 is opposing.The bearing of trend of mounting groove 1426 is positive parallel with radiating piece 142.When light source assembly 140 is contained in the accepting groove 1286, two projections 1288 on the bracing frame 1284 support two mounting grooves 1426 on the radiating piece 142 respectively, thereby light source assembly 140 is fixed on the installing rack 128, makes light source assembly 140 be difficult for coming off from installing rack 128.Simultaneously, with light source assembly 140 when installing rack 128 is dismantled, only need light source assembly 140 extracted out from one side of accepting groove 1286 and get final product, saved the dismounting operation.
Can know by inference by said structure, also can outward extending projection be set on fixed mount 1424, on installing rack 128, groove is set, support groove on the installing rack 128, light source assembly 140 is fixed on the installing rack 1424 by the projection on the fixed mount 1424.In other embodiments, can also the through hole (not shown) that run through radiating piece 142 be set on radiating piece 142, be fixed in the side of the exiting surface of casing 120 then by the screw that passes the through hole on the radiating piece 142.This embodiment has saved installing rack 128, makes that the cost of lamp box 100 is lower.
Light source 144 is a spot light, is preferably the LED illuminating module, comprises pcb board 1442 and LED lamp 1444, and pcb board 1442 is fitted and is fixed on the front of radiating piece 142, and LED lamp 1444 is installed on the pcb board 1442.Preferably, pcb board 1442 adopts the PA plastic cement to be connected with radiating piece 142 seal bond by low-pressure injection molding technology, and this mode can improve the waterproof effect of concentration module 146, makes lamp box 100 still can work normally under the rainwater environment out of doors.
Concentration module 146 comprises light shield 1462 and lens 1464.Light shield 1462 covers on the light source 144, fixedlys connected with radiating piece 142 in the edge.Preferably, light shield 1462 adopts the PA plastic cement to be connected with radiating piece 142 seal bond by low-pressure injection molding technology, and this mode can improve the waterproof effect of concentration module 146, makes lamp box 100 still can work normally under the rainwater environment out of doors.Light shield 1462 tops are provided with light hole, are provided with lens 1464 in the light hole.Concrete, light hole is circular, lens 1464 are round lens.The edge of lens 1464 supports the hole wall of light hole.The axis of lens 1464 is perpendicular to the front of radiating piece 142.The LED lamp 1444 of light source 144 is positioned on the axis of lens 1464.
Need to prove that lens 1464 are not limited to round lens, also can be other lenses, for example, oval convex lens etc., light hole is not limited to circle, also can be other shapes.
The light path that lens 1464 send LED lamp 1444 is converged to conical illumination path, and the drift angle of conical illumination path is called the optically focused angle of concentration module 146 shown in a among Fig. 5.The tangent value of half of drift angle a equals light source assembly 140 half the ratio to the distance of exiting surface and casing 120 width.In the present embodiment, light source assembly 140 is 10 centimetres to the distance of exiting surface, and half of casing 120 width is 80 centimetres, and light source assembly 140 is 0.25 to half ratio of the distance of exiting surface and casing 120 width, its arc-tangent value is 14 °, and then drift angle a is 28 °.The size of drift angle a is proofreaied and correct to the distance of the minute surface of lens 1464 by focal length and the LED lamp 1444 of regulating lens 1464.
Be appreciated that, the light source 144 of light source assembly 140 is not limited to the LED illuminating module, also can be miniature bulb, cold-cathode fluorescence lamp etc., for example, when light source 144 is cold-cathode fluorescence lamp, lens 1464 are oval lens, after the light source that makes light source 144 launch reflects through lens 1464, form triangular taper light path, drift angle is that α is the drift angle of the cross section of its light path, this triangular taper light path is projected as rectangle on exiting surface, at this moment, the brightness of the exiting surface of lamp box is comparatively even.
Lamp box in the present embodiment does not adopt accessory mounting plate when light source module 140 is installed, but directly light source module 140 is installed in two sides of exiting surface of the casing 120 of lamp box, makes the cost of installing reduce.Simultaneously, light source assembly 140 shines on the exiting surface from the equal both sides of casing 120, with the irradiated area of increase single source assembly 140 at exiting surface, thus the number of minimizing light source assembly 140, thereby reduce the general power of lamp box energy consumption, and then played energy-conservation effect.
Present embodiment has adopted 8 LED illuminating module, general power is 12 watts, and the power of the lamp box of two fluorescent tube illuminations of the employing in the conventional art is 56 watts, and adopting the power of the double-faced lamp of accessory mounting plate fixed installation LED illuminating module in the conventional art is 22 watts.Three's illuminating effect can both meet the demands, and the exiting surface bright dipping is all very even.Therefore, from the data of actual product as can be seen, the present invention is more energy-conservation.
The above embodiment has only expressed several 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 without departing from the inventive concept of the premise, 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 claims.

Claims (10)

1. lamp box, comprise light source assembly and casing with at least one exiting surface, described light source assembly comprises light source, described light source assembly is symmetricly set in described casing near on two relative sides of exiting surface, and direction of illumination is relative, it is characterized in that described light source assembly also comprises the concentration module that covers in described light source; Described concentration module comprises light shield with light hole and the lens that are contained in described light hole, and the light that described lens send described light source assembly is converged to the conical illumination light path, and the drift angle of described conical illumination light path is α, and it satisfies following relation:
tgα/2＝L/H
Wherein, L is the spacing between described light source assembly and the described exiting surface, and H is half of spacing between described two opposite flanks.
2. lamp box according to claim 1 is characterized in that, described light source assembly is a plurality of, spaced set linearly, and the quantity that is installed on the light source assembly on described two relative sides equates.
3. lamp box according to claim 1 is characterized in that, described light source assembly also comprises the radiating piece affixed with described concentration module, and described light source is between described concentration module and described radiating piece.
4. lamp box according to claim 3 is characterized in that, the back side of described radiating piece and described light source contact-making surface is outward extended with the fin that is erected in described radiating piece surface.
5. lamp box according to claim 1 is characterized in that, described two relative sides are provided with the installing rack that described light source assembly is installed.
6. lamp box according to claim 5, it is characterized in that, described installing rack comprises mounting seat that is fixed in described two relative side and the bracing frame that extends towards same direction from described mounting seat two ends, and described mounting seat and support frame as described above form the accepting groove of accommodating described light source assembly.
7. lamp box according to claim 6 is characterized in that, the side of described light source assembly and described light source contact-making surface is provided with mounting groove; Support frame as described above is extended with projection in described accepting groove; Described projection is fixed on described light source assembly on the described installing rack by the mounting groove that supports described light source assembly.
8. according to the arbitrary described lamp box of claim 1 to 7, it is characterized in that described light hole is circular, described lens are round lens, and the edge of described lens supports the hole wall of described light hole, and described light source is spot light and is positioned on the axis of described lens.
9. according to the arbitrary described lamp box of claim 1 to 7, it is characterized in that described light source is the LED illuminating module.
10. according to the arbitrary described lamp box of claim 1 to 7, it is characterized in that described casing is a cuboid, described exiting surface is two, and is oppositely arranged; And described light source assembly equates to the distance of described two exiting surfaces; The arc-tangent value of the ratio of the distance between the distance between described two exiting surfaces and two the relative sides is 2.5 ° to 22.5 °.
CN2011102286599A 2011-08-10 2011-08-10 Lamphouse Pending CN102287650A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104349023A (en) * 2013-08-02 2015-02-11 毅嘉科技股份有限公司 Camera device and flash module thereof
WO2015018106A1 (en) * 2013-08-03 2015-02-12 深圳市日上光电股份有限公司 Light source assembly and side-entry-type light box using light source assembly

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104349023A (en) * 2013-08-02 2015-02-11 毅嘉科技股份有限公司 Camera device and flash module thereof
WO2015018106A1 (en) * 2013-08-03 2015-02-12 深圳市日上光电股份有限公司 Light source assembly and side-entry-type light box using light source assembly

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Address after: 518108 Guangdong city of Shenzhen province Baoan District Shiyan Street Community Hongfa stone new Jia Terry hi tech Park (formerly Hong Long High-tech Industrial Park No. 2 Building 2 building three or four, building five)

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Application publication date: 20111221