In a ceiling grid framework, at least one of a main beam and front and rear cross beams is configured to have a beam module which includes a lighting element therein. Thus, the ceiling grid framework can be used for supporting ceiling panels and for illumination.
대표청구항▼
1. A dual-purpose lighting and ceiling grid framework, comprising: a main beam extending in a longitudinal direction and formed with a slot; andfront and rear cross beams each extending in a transverse direction relative to the longitudinal direction to terminate at front and rear end regions, said
1. A dual-purpose lighting and ceiling grid framework, comprising: a main beam extending in a longitudinal direction and formed with a slot; andfront and rear cross beams each extending in a transverse direction relative to the longitudinal direction to terminate at front and rear end regions, said rear end region of said front cross beam being connected to said front end region of said rear cross beam through said slot of said main beam, wherein at least one of said main beam and said front and rear cross beams is configured to have a beam module including a vertical web portion extending in an upright direction transverse to both the longitudinal and transverse directions to terminate at upper and lower ends,two shoulder portions which extend transversely relative to the upright direction and oppositely from said lower end to terminate at two shoulder ends, respectively, and which cooperatively define a mounting seat,two side frame portions each extending downwardly from a corresponding one of said shoulder ends to terminate at a frame end, said side frame portions defining an accommodation space therebetween,two flange portions extending respectively from said frame ends of said side frame portions, anda lighting element which is disposed in said accommodation space, and which includes a circuit board mounted on said mounting seat, and a plurality of light-emitting diodes disposed on said circuit board to give out illuminating light;wherein said beam module further includes two side covers each of which includes upper and lower abutment walls that are spaced apart from each other in the upright direction so as to permit a corresponding one of said flange portions to be sandwiched therebetween, said lower abutment walls of said side covers extending toward each other beyond said frame ends of said side frame portions, respectively, so as to form two support edges, respectively, anda flat shield disposed under said light-emitting diodes and supported by said support edges. 2. The dual-purpose lighting and ceiling grid framework according to claim 1, wherein each of said front and rear cross beams has said beam module, said dual-purpose lighting and ceiling grid framework further comprising a flexible electrical connecting unit disposed to electrically interconnect said circuit boards of said front and rear cross beams. 3. The dual-purpose lighting and ceiling grid framework according to claim 2, wherein said flexible electrical connecting unit includes a pair of front cables each of which is electrically connected to said circuit board of said front cross beam, and each of which has a front terminal end,a pair of rear cables each of which is electrically connected to said circuit board of said rear cross beam, and each of which has a rear terminal end, anda connector configured to electrically connect said front terminal ends of said front cables to said rear terminal ends of said rear cables. 4. The dual-purpose lighting and ceiling grid framework according to claim 3, wherein each of said front and rear cables is a self-standing cable that supports said connector over said main beam. 5. The dual-purpose lighting and ceiling grid framework according to claim 2, wherein said rear end region of said front cross beam is punched in said vertical web portion of said front cross beam to form a left offset hook tab, and said front end region of said rear cross beam is punched in said vertical web portion of said rear cross beam to form a right offset hook tab, said left and right offset hook tabs being respectively brought into engagement with said slot such that said left and right offset hook tabs are partially overlapped and are juxtaposed with each other to thereby permit said front and rear cross beams to be aligned with each other. 6. The dual-purpose lighting and ceiling grid framework according to claim 1, wherein said lighting element further includes a reflective shade which includes a top mounting wall disposed between said mounting seat and said circuit board, and two reflective walls that extend downwardly from said top mounting wall along said side frame portions, respectively. 7. The dual-purpose lighting and ceiling grid framework according to claim 1, wherein said two flange portions extends away from each other for supporting marginal portions of ceiling panels.
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