JP5227383B2 - Lamp - Google Patents

Description

  The present invention relates to a lamp, and particularly relates to a lamp that can be embedded in a ceiling plate to provide indoor or outdoor illumination.

  As a conventional embedded lamp, for example, referring to the “radiating device for a lamp” (refer to Patent Document 1) of the Republic of China notification No. M359644, the conventional lamp includes one substrate, one annular heat dissipating seat, one Includes a fan and one case lid. The substrate includes two surfaces, one of which is provided with a plurality of light emitting members, the other surface can be coupled with an annular heat dissipating seat, and the two surfaces of the substrate A plurality of pores are penetrated between them. The fan is provided on the annular heat dissipating seat, the case lid is provided as a cover outside the annular heat dissipating seat and the fan, and is connected to the substrate, and the surface on which the light emitting member is provided on the substrate is formed to face outward. The Since a plurality of ventilation grooves are provided on the case lid, the airflow is driven when the fan rotates, and then enters the inside of the case lid via the respective ventilation grooves, and further each heat radiation of the annular heat dissipating seat After passing through the periphery of the fin, there is one that can achieve the purpose of radiating heat to each light emitting member by blowing out again through each pore of the substrate.

Republic of China Notice No. M359644

  In a conventional embedded lamp, the lamp is embedded in a lightweight steel frame or wooden decoration ceiling plate, and its case lid is embedded above the ceiling plate, and only the surface on which the light emitting member is provided on the substrate is the ceiling plate. Since it is formed so as to be exposed from the surface, each ventilation groove of the case lid having the conventional structure is formed so as to be positioned above the ceiling plate. However, since the space between the ceiling plate and the cement floor of the building itself is generally a sealed space, it is difficult to circulate the sealed space with external air. In addition, since other articles (for example, pipes, tracks, or heat insulating materials) are provided in the sealed space, there is a problem in that the effect of the air flow and the heat dissipation effect are affected.

  As described above, the heat dissipation effect is poor in the conventional structure, and heat is easily accumulated in the annular heat dissipating seat, and the amount of heat generated from each light emitting member cannot be discharged smoothly. However, if the product is left in a high temperature environment for a long time, there is a problem in that the service life of the product is adversely affected. Furthermore, if the chip of each light emitting member becomes too hot, the light emission is attenuated, which affects the light emitting effect of each light emitting member. Thus, the conventional lamp as described above has to be further improved.

  The present invention has been invented in view of such problems, and a main object thereof is to provide a lamp capable of enhancing the heat dissipation effect.

  The second object of the present invention is to provide a lamp capable of extending the service life.

  The third object of the present invention is to provide a lamp that can avoid light emission attenuation and does not affect the light emission effect.

In order to achieve the above object, a lamp according to the present invention has one outer cover, one inner case, one fan, one heat radiator, and one light emitting member. One end of the outer cover includes one first opening, and one first receiving chamber is formed to be recessed from the first opening. One end of the inner case includes one second opening, and one second storage chamber is formed to be recessed from the second opening. The inner case is provided in the first storage chamber, the second opening and the first opening are formed to face in the same direction, and a gap is formed between the outer cover and the inner case. One air flow passage is formed in the storage chamber. Another inner hole is provided in the inner case. The through hole is formed to communicate with the airflow passage in the first storage chamber and the second storage chamber. The fan is provided at a location adjacent to the through hole. The fan includes two airflow distribution sides, the two airflow distribution sides are used to suck and blow out the airflow, and the airflow is formed to pass through the through hole. The radiator includes one bottom plate, and one surface of the bottom plate is formed to face the fan. The light emitting member is provided on the other surface of the bottom plate. A partition member is provided between the outer cover and the inner case, and the partition member is supported between the outer cover and the inner case with a gap to form an air flow passage. One cover plate is provided in the second opening of the inner case, and a plurality of through holes are provided in the cover plate.

Further, another lamp according to the present invention has one outer cover, one inner case, one fan, one heat radiator, and one light emitting member. One end of the outer cover includes one first opening, and one first receiving chamber is formed to be recessed from the first opening. One end of the inner case includes one second opening, and one second storage chamber is formed to be recessed from the second opening. The inner case is provided in the first storage chamber, the second opening and the first opening are formed to face in the same direction, and a gap is formed between the outer cover and the inner case. One air flow passage is formed in the storage chamber. Another inner hole is provided in the inner case. The through hole is formed to communicate with the airflow passage in the first storage chamber and the second storage chamber. The fan is provided at a location adjacent to the through hole. The fan includes two airflow distribution sides, the two airflow distribution sides are used to suck and blow out the airflow, and the airflow is formed to pass through the through hole. The radiator includes one bottom plate, and one surface of the bottom plate is formed to face the fan. The light emitting member is provided on the other surface of the bottom plate. A partition member is provided between the outer cover and the inner case, and the partition member is supported between the outer cover and the inner case with a space therebetween, thereby forming an air flow passage . One first flange is included so as to extend outward from the peripheral edge of the first opening, and one second flange is included so as to extend outward from the peripheral edge of the second opening. The first flange and the second flange are adhered to each other, and the second flange is formed to seal the first opening. The partition member is composed of one stop wall, and the air flow passage is divided into one first passage and one second passage by the stop wall.
Further, the inner diameter of the second opening is smaller than that of the first opening, the second opening and the first opening are formed so as to be aligned, and the second opening is formed so as to be located within the range of the first opening. it can. Further, one of the two air flow distribution sides can be formed to be connected to the air flow passage and the other to be connected to the second storage chamber. Further, the radiator can be provided in the second storage chamber, and the bottom plate of the radiator can be formed so that the fan faces the airflow distribution side connected to the second storage chamber. In addition, the inner case is provided with a plurality of through holes and one air guide cover. The air guide cover is a disc body, and the air guide cover is provided with an assembly hole for accommodating the fan. The outer peripheral edge of the wind cover is coupled to the inner case, and each through hole can be formed so as to be located within a range that the wind guide cover can cover. Further, one first flange is included so as to extend outward from the periphery of the first opening, and one second flange is included so as to extend outward from the periphery of the second opening. A single vent may be formed between the flange and the second flange. In addition, a plurality of radiating fins may be provided on the surface of the radiator that faces the air flow side connected to the second storage chamber. The light emitting member includes one substrate and a plurality of light emitters. Each light emitter is provided on one surface of the substrate, and the other surface of the substrate is provided on the bottom plate of the radiator. You can also. In addition, a single cover plate may be provided in the second opening of the inner case, and the cover plate may be provided with a plurality of through holes. In addition, a blocking portion is provided on the surface of the cover plate facing the light emitting member, and each through hole is formed to be located outside the range surrounded by the blocking portion, and the blocking portion is in contact with the bottom plate of the radiator. The light emitting member may be formed so as to be located within a range surrounded by the blocking portion. Further, the blocking portion can be formed of an annular wall. Moreover, each through-hole can also be formed so that it may be located in the periphery of a cover board. In addition, a second flange is included so as to extend outward from the periphery of the second opening, the outer periphery of the second flange is coupled to the edge of the first opening, and the outer surface of the outer cover is connected to the outer surface. A plurality of vent holes may be provided at a location adjacent to one opening. One first flange is included to extend outward from the periphery of the first opening, one second flange is included to extend outward from the periphery of the second opening, and the first The first flange and the second flange may be attached to each other, and the second flange may be formed to seal the first opening. In addition, the partition member is composed of one stop wall, and the air flow passage can be divided into one first passage and one second passage by the stop wall. The through hole communicates the first passage and the second storage chamber, and the inner case is provided with a plurality of other through-grooves, each of the through-grooves communicating with the second passage and the second storage chamber. It can also be formed. The second flange is provided with a plurality of first air holes and a plurality of second air holes, each first air hole being connected to the first passage, and each second air hole being a second passage. It can also be formed so as to be connected to. In addition, one barrier plate is provided in the second storage chamber, and the second storage chamber is partitioned into one upper storage chamber and one lower storage chamber by the barrier plate, and the through holes and the respective through-grooves are upper. It can also be formed so as to communicate with the storage chamber. The barrier plate may include one mounting hole, and the light emitting member may be provided in the mounting hole and may be formed to face the lower storage chamber. In addition, a single cover plate can be provided in the second opening.

  According to the lamp of the present invention, there is an advantage that the heat dissipation effect can be enhanced.

  According to the lamp of the present invention, there is an advantage that the service life can be extended.

  According to the lamp of the present invention, there is an advantage that light emission attenuation can be avoided and the light emission effect is not affected.

1 is an exploded perspective view of a lamp according to a first embodiment of the present invention. FIG. 2 is a cross-sectional view of the assembled lamp of the first embodiment of the present invention. FIG. 3 is a sectional view of the assembled lamp of the second embodiment of the present invention. FIG. 4 is an exploded perspective view of the lamp according to the third embodiment of the present invention. FIG. 5 is a cross-sectional view of the assembled lamp of the third embodiment of the present invention. FIG. 6 is a cross-sectional view of the assembled lamp of Example 4 of the present invention. FIG. 7 is an exploded perspective view of the lamp according to the fifth embodiment of the present invention. FIG. 8 is a cross-sectional view of the assembled lamp of the fifth embodiment of the present invention.

  Embodiments of the present invention will be described below with reference to the drawings.

  FIG. 1 is an exploded perspective view of a lamp according to a first embodiment of the present invention, and FIG. 2 is a sectional view of the assembled lamp of the first embodiment of the present invention. 1 and 2, the lamp according to the first embodiment of the present invention includes one outer cover 1, one inner case 2, one fan 3, one radiator 4, and one light emitting member 5. Among them, the inner case 2 is provided in the outer cover 1, and an airflow path A is formed between the outer cover 1 and the inner case 2. The fan 3 is provided in one through hole 24 adjacent to the inner case 2. The radiator 4 and the light emitting member 5 are provided in the inner case 2. When the fan 3 rotates, the heat energy generated from the light emitting member 5 can be diffused by driving the air flow, passing through the through hole 24 and flowing between the air flow passage A and the inside of the inner case 2. .

  One end of the outer cover 1 includes one first opening 12, and one first accommodating chamber 11 is formed to be recessed from the first opening 12, and extends outward from the periphery of the first opening 12. Thus, one first flange 13 is formed.

  One end of the inner case 2 includes one second opening 22, and one second storage chamber 21 is formed to be recessed from the second opening 22, and extends outward from the periphery of the second opening 22. Thus, one second flange 23 is formed. The outer diameter of the inner case 2 is preferably formed to be smaller than the inner diameter of the first storage chamber 11 of the outer cover 1, and the shape of the second opening 22 is preferably the same as the shape of the first opening 12. The inner diameter of the second opening 22 is smaller than the inner diameter of the first opening 12. When the inner case 2 is provided in the first storage chamber 11 of the outer cover 1, the second opening 22 is formed so as to be positioned within the range of the first opening 12. Another inner hole 24 is provided in the inner case 2. The through hole 24 is formed so as to communicate the first storage chamber 11 and the second storage chamber 21 by penetrating the outer surface of the inner case 2 and the inner wall surface of the second storage chamber 21.

  In addition, a separating member 14 is provided between the outer cover 1 and the inner case 2. The partition member 14 can be in the form of a protruding rod, column, block, or piece, such as a rib, support column or stop wall, and the partition member 14 can be provided within the inner wall of the first receiving chamber 11. It can also be provided on the outer surface of the inner case 2. When the outer cover 1 and the inner case 2 are assembled, a gap can be formed by supporting the gap between the outer cover 1 and the inner case 2 with a separation member 14. In the present embodiment, a plurality of ribs are selectively provided on the inner peripheral wall of the first storage chamber 11 as the separating member 14, and each rib is in contact with the outer surface of the inner case 2, so A gap is formed by supporting between the cover 1 and the inner case 2.

  The fan 3 is preferably provided at a location where the inner case 2 is adjacent to the through hole 24 to drive the airflow and pass through the through hole 24. Further, the fan 3 includes two airflow distribution sides, and the two airflow distribution sides are composed of one wind entry side 31 and one wind discharge side 32.

  The radiator 4 is preferably made of a material having high heat conductivity, and further, the radiator 4 includes one bottom plate 41, and a plurality of radiation fins 42 are provided on one surface of the bottom plate 41. .

  The light emitting member 5 includes a single substrate 51 and a plurality of light emitters 52, each light emitter 52 preferably consisting of a selective light emitting diode, and each light emitter 52 on one surface of the substrate 51. Provided.

  Referring to FIGS. 1 and 2 again, when assembling the lamp of the first embodiment of the present invention, the inner case 2 is provided in the first housing chamber 11 of the outer cover 1 and the second opening 22 of the inner case 2 is provided. The first opening 12 of the outer cover 1 is directed in the same direction, and the second opening 22 is positioned within the range of the first opening 12. A space between the outer cover 1 and the inner case 2 is supported by a plurality of rib-shaped partition members 14 to form a gap, thereby forming a single airflow passage A. And since one vent hole B is formed by being supported by the separating member 14 between the first flange 13 and the second flange 23, external air other than the lamp passes through the vent hole B inside the lamp. It is formed so as to communicate with the airflow passage A.

  The fan 3 is provided at a location where the inner case 2 is adjacent to the through hole 24, or can be provided directly in the through hole 24. One air flow distribution side of the fan 3 is connected to the air flow passage A, and the other air flow distribution side is formed to be connected to the second storage chamber 21 so that the air flow passes through the through hole 24. Then, it is formed so as to flow between the airflow passage A and the second storage chamber 21. In this embodiment, the fan 3 is provided at a location where the inner surface of the inner case 2 is adjacent to the through hole 24, and is selectively connected to the airflow passage A with the wind entrance side 31 and the second housing with the wind discharge side 32. By connecting to the chamber 21, the airflow is sucked from the vent B and is formed to flow to the second storage chamber 21 via the airflow passage A and the through hole 24.

  The radiator 4 is provided in the second housing chamber 21, and the surface of the radiator 4 on which the radiation fins 42 are provided on the bottom plate 41 is preferably formed so as to face the wind discharge side 32 of the fan 3. In addition, the respective radiation fins 42 of the radiator 4 are uniformly distributed on the bottom plate 41, or as shown in the present embodiment, the respective radiation fins 42 are provided so as to surround the outer periphery of the bottom plate 41, and An assembly space is formed between the heat radiation fins 42, and the fan 3 can be provided in the assembly space.

  The substrate 51 of the light emitting member 5 is provided on another surface of the bottom plate 41 of the radiator 4 where the heat dissipating fins 42 are not provided, and each light emitter 52 is formed to face the second opening 22. In addition, another cover plate 25 is provided in the second opening 22 of the inner case 2, and the cover plate 25 is preferably made of a transparent or opaque plate capable of transmitting light. Through holes 251 are provided, and each through hole 251 is preferably formed to be located around the cover plate 25.

  Referring to FIG. 2 again, when the lamp according to the first embodiment of the present invention is implemented, the outer cover 1 is embedded above the ceiling plate 9 and the first flange 13 of the outer cover 1 is attached to the surface of the ceiling plate 9. Formed as follows. When the fan 3 rotates, the airflow flows between the airflow passage A and the second storage chamber 21 via the through-hole 24, and at the same time, the airflow passes around the radiator 4 and is supplementarily from the light emitting member 5. The resulting thermal energy can be diffused. In the present invention, the direction of the air flow can be changed by controlling the direction of rotation of the fan 3 in the forward direction or the opposite direction. For example, when the fan 3 rotates in the forward direction, the airflow is sucked from the vent B and the airflow passage A, and flows toward the periphery of the radiator 4 of the second storage chamber 21 via the through hole 24. The cover plate 25 is discharged from each through hole 251. On the other hand, when the fan 3 rotates in the opposite direction, the airflow is sucked from the through holes 251 of the cover plate 25 and passes through the periphery of the radiator 4 of the second storage chamber 21 and then passes through the through holes 24 in order. By being discharged from the airflow passage A and the vent B via the heat energy, the heat energy generated from the light emitting member 5 can be diffused as an auxiliary.

  However, regardless of the flow direction of the airflow, the vent B and the through holes 251 of the present invention are all exposed from the surface of the ceiling plate 9, so that they can circulate smoothly with the external air. it can. Further, the second flange 23 of the inner case 2 is blocked between the vent B and the respective through-holes 251, thereby preventing the hot air released from the lamp from being immediately sucked and entering the lamp. Therefore, it is possible to provide a better airflow distribution effect and heat dissipation effect.

  FIG. 3 is a sectional view of the assembled lamp of the second embodiment of the present invention. Referring to FIG. 3, the lamp according to the second embodiment also includes one outer cover 1, one inner case 2, one fan 3, one radiator 4, and one light emitting member 5. Among them, one cover plate 25 ′ is also provided in the second opening 22 of the inner case 2.

  Compared to the first embodiment described above, in the second embodiment, a blocking portion 252 ′ is further provided on the surface of the cover plate 25 ′ facing the light emitting member 5. The blocking portion 252 'is preferably formed of a single annular wall, and the through-hole 251' is formed so as to be located outside the range surrounded by the blocking portion 252 '. Further, when the cover plate 25 ′ is assembled to the second opening 22 of the inner case 2, the upper edge of the blocking part 252 ′ is in contact with the substrate 41 of the radiator 4, and the light emitting member 5 is surrounded by the blocking part 252 ′. It is formed so as to be located within the range.

  Therefore, when the fan 3 rotates in the forward direction, the airflow is sucked from the air vent B and the airflow passage A, and flows toward the periphery of the radiator 4 of the second storage chamber 21 via the through hole 24, and again. It is discharged from each through-hole 251 'of the cover plate 25'. When the fan 3 rotates in the opposite direction, the air flow is sucked from the respective through holes 251 ′ of the cover plate 25 ′, and after passing around the radiator 4 of the second storage chamber 21, the air holes 24, the air flow are arranged in order. It is discharged via passage A and vent B.

  However, the flow direction of the airflow can be any direction because the light blocking member 252 ′ of the present invention can block the light emitter 52 of the light emitting member 5 or its chip from coming into contact with external air. , Can avoid the accumulation of dust.

  4 is an exploded perspective view of the lamp of the third embodiment of the present invention, and FIG. 5 is a cross-sectional view of the assembled lamp of the third embodiment of the present invention. Referring to FIG. 4, the lamp according to the third embodiment of the present invention also includes one outer cover 1 ′, one inner case 6, one fan 3 ′, one radiator 4 ′, and one light emitting member 5. .

  Compared to the first embodiment described above, in the third embodiment, a plurality of through holes 64 are provided in the upper portion of the inner case 6, and the fan 3 ′ is provided at a location adjacent to each through hole 64. Further, the fan 3 ′ is preferably provided between the respective through holes 64, so that the airflow is circulated between the airflow passage A and the second storage chamber 61 via the respective through holes 64. . In addition, the inner case 6 is provided with one other air guide cover 65. The air guide cover 65 is a disc body, and an assembly hole 651 for accommodating the fan 3 'is provided in the center of the air guide cover 65. The outer peripheral edge of the wind guide cover 65 is formed in an arc shape and extends outward, so that the wind entry and discharge of the fan 3 ′ becomes smoother. The outer peripheral edge of the air guide cover 65 is coupled to the inner case 6, and each through hole 64 is formed to be located within a range that can be covered when the air guide cover 65 is coupled to the inner case 6. .

  In addition, a separating member 66 is also provided between the outer cover 1 ′ and the inner case 6 of the third embodiment. The partition member 66 is selectively provided with a plurality of support columns in the second flange 63 of the inner case 6, and each support column is in contact with the first flange 13 'of the outer cover 1'. The gap between the outer cover 1 ′ and the inner case 6 is supported with a gap, thereby forming a single gap.

  4 and 5 again, when assembling the lamp of the third embodiment of the present invention, the inner case 6 is also provided in the first housing chamber 11 'of the outer cover 1', and the second opening of the inner case 6 is provided. 62 and the first opening 12 ′ of the outer cover 1 ′ are directed in the same direction, and the second opening 62 is formed so as to be positioned within the range of the first opening 12 ′. A space between the outer cover 1 ′ and the inner case 6 is supported by a plurality of support pillar-shaped separating members 66 to form a gap, thereby forming a single airflow passage A. A single vent hole B is also formed between the first flange 13 ′ and the second flange 63 by the separating member 66.

  The fan 3 'is provided on the upper part of the air guide cover 65, the radiator 4' is provided on the inner case 6, and the surface on which the radiation fins 42 'are provided on the bottom plate 41' of the radiator 4 'is preferably a fan. It is formed so as to face 3 ′. The substrate 51 of the light emitting member 5 is provided on the other surface of the bottom plate 41 ′ of the radiator 4 ′ where the heat radiating fins 42 ′ are not provided, and each light emitter 52 is formed to face the second opening 62. Is done.

  Referring to FIG. 5 again, when the lamp of the third embodiment of the present invention is implemented, the outer cover 1 is also embedded above the ceiling plate 9, and the first flange 13 ′ of the outer cover 1 ′ is formed on the surface of the ceiling plate 9. It is provided to stick. Similarly, when the fan 3 rotates, the airflow flows between the airflow passage A and the second storage chamber 21 via the through hole 64, and at the same time, the airflow passes around the radiator 4 'and emits light supplementarily. The thermal energy generated from the member 5 can be diffused. Therefore, in the third embodiment, it is possible to provide a better airflow distribution effect and heat dissipation effect, and to further smooth the wind entry and discharge of the fan 3 ′.

  FIG. 6 is a cross-sectional view of the assembled lamp of Example 4 of the present invention. Referring to FIG. 6, the lamp according to the fourth embodiment of the present invention also includes one outer cover 1 ″, one inner case 2 ′, one fan 3 ′, one radiator 4 ′, and one light emitting member 5. Compared with the third embodiment described above, the second flange 22 'is also included so as to extend outward at the periphery of the second opening 21' of the inner case 2 'of the fourth embodiment. The outer peripheral edge of the second flange 22 'is coupled to the edge of the first opening 11 "of the outer cover 1" to seal the first opening 11 "of the outer cover 1". Similarly, a gap is formed between the inner cases 2 ′ to form a single airflow passage A, and a plurality of ventilation holes 12 ″ are provided at locations where the outer surface of the outer cover 1 ″ is adjacent to the first opening 11 ″. Is provided.

  When the lamp of the fourth embodiment of the present invention is implemented, the outer cover 1 ″ is also embedded above the ceiling plate 9, and the portion of the outer cover 1 ″ provided with the vent holes 12 ″ is exposed from the surface of the ceiling plate 9. When the fan 3 'rotates, the air flow is sucked through the respective air holes 12 "and the air flow passage A, and after passing through the periphery of the radiator 4', the respective air holes 23 are again formed. By being blown out through ', the heat energy generated from the light emitting member 5 can be blown off as an auxiliary. Further, since the first opening 11 ″ of the fourth embodiment is sealed by the second flange 22 ′, a better overall aesthetic effect can be obtained.

  FIG. 7 is an exploded perspective view of the lamp of Example 5 of the present invention, and FIG. 8 is a cross-sectional view of the assembled lamp of Example 5 of the present invention. 7 and 8, the lamp according to the fifth embodiment of the present invention also includes one outer cover 7, one inner case 8, one fan 3, one radiator 4, and one light emitting member 5. Compared with the first embodiment described above, the first flange 73 of the outer cover 7 of the fifth embodiment and the second flange 83 of the inner case 8 are formed so as to adhere to each other, and the second flange 83 is formed of the outer cover 7. It forms so that the 1st opening 72 may be sealed.

  Separating members 74 and 85 are provided between the outer cover 7 and the inner case 8, and the separating members 74 and 85 are all stop walls on the inner peripheral wall of the first housing chamber 71 and the outer surface of the inner case 8, respectively. Since the two stop walls are in contact with the inner peripheral wall of the first storage chamber 71 of the outer cover 7 and the outer surface of the inner case 8, respectively, the outer cover 7 and the inner case 8 are spaced apart from each other. A gap is formed by supporting the gap, and a single airflow path A is formed.

  In the present embodiment, the two partition members 74 and 85 having the form of a stop wall are formed so as to adhere to each other, and the air flow passage A is divided into one first passage A1 and one second passage A2. . Among them, the inner case 8 also includes one through hole 84, the through hole 84 communicates with the first passage A 1, and the first passage A 1 communicates with the second storage chamber 81 via the through hole 84. The In addition, the inner case 8 is provided with a plurality of through-grooves 86, each through-hole 86 is connected to the second passage A 2, and the second passage A 2 is connected to the second storage chamber via the respective through-holes 86. 81 is communicated. The second flange 83 of the inner case 8 is provided with a plurality of first air holes 87a and a plurality of second air holes 87b, each of the first air holes 87a being connected to the first passage A1, and Each of the second air holes 87b is connected to the second passage A2.

  When the fan 3 rotates, the airflow is sucked through the respective first air holes 87a, and in order, the first passage A1, the through hole 84, the second accommodating chamber 81, the respective penetration grooves 86 and the second passage A2. After passing through, the second air holes 87b are drawn out again. Alternatively, when the fan 3 is controlled to rotate in the opposite direction, the airflow is sucked from the opposite direction via the respective second air holes 87b, and in order the second passage A2, the respective through grooves 86, the second After passing through the storage chamber 81, the through hole 84 and the first passage A <b> 1, heat is radiated to the light emitting member 5 by being blown out from the first air holes 87 a again.

  Each of the first air holes 87a and the second air holes 87b is also selectively provided at a location where the outer surface of the outer cover 7 is adjacent to the first opening 72, and each of the first air holes 87a is also connected to the first passage A1. Since the second air holes 87B are connected to the second passage A2, the air flow can be circulated along the same path as described above using the fan 3 in the same manner.

  In addition, one barrier plate 88 is added in the second storage chamber 81 of the inner case 8, and the second storage chamber 81 is partitioned into one upper storage chamber 81a and one lower storage chamber 81b by the barrier plate 88, And the through-hole 84 and each penetration groove | channel 86 are formed so that it may connect with the upper storage chamber 81a. The blocking plate 88 includes one mounting hole 881, and each light emitter 52 of the light emitting member 5 is preferably formed so as to face the lower storage chamber 81 b via the mounting hole 881. Another cover plate 89 is provided in the second opening 82 of the inner case 8. The cover plate 89 is preferably made of a transparent or opaque plate capable of transmitting light, and therefore the light emitter 52 of the light emitting member 5 or its chip does not come into contact with outside air, so that accumulation of dust is avoided. Can do.

  As described above, when the outer cover of the lamp of the present invention is embedded above the ceiling plate, the vents and the respective through-holes are formed so as to be located on the bottom surface of the ceiling plate. Since the air and the air can be circulated smoothly, the effect of airflow circulation and the heat dissipation effect can be enhanced.

  According to the lamp of the present invention, the airflow distribution effect and the heat dissipation effect are improved, so that the heat energy generated from each light emitting member can be smoothly removed, and the service life of the lamp can be extended.

  According to the lamp of the present invention, heat energy generated from each light emitting member can be smoothly removed, so that light attenuation caused by excessive heating of the chip of each light emitting member can be avoided, and light emission It is possible to avoid affecting the light emission effect of the member.

  The present invention may be implemented in other ways without departing from the spirit and essential characteristics thereof. Accordingly, the preferred embodiments described herein are illustrative and not limiting.

DESCRIPTION OF SYMBOLS 1 Outer cover 11 1st accommodating chamber 12 1st opening 13 1st flange 14 Separating member 1 'Outer cover 11' 1st accommodating chamber 12 '1st opening 13' 1st flange 1 "Outer cover 11" 1st opening 12 " Vent 2 Inner case 21 Second storage chamber 22 Second opening 23 Second flange 24 Through hole 25 Cover plate 251 Through hole 25 'Cover plate 251' Through hole 252 'Blocking part 2' Inner case 21 'Second opening 22' 2nd flange 23 'through-hole 3 fan 31 wind entrance side 32 wind discharge side 3' fan 4 radiator 41 bottom plate 42 radiation fin 4 'radiator 41' bottom plate 42 'radiation fin 5 light emitting member 51 substrate 52 light emitter 6 inner case 61 Second storage chamber 62 Second opening 63 Second flange 64 Through hole 65 Air guide cover 651 Assembly hole 66 Separating member 7 Outer cover 71 First storage chamber 72 First opening 73 First flange 74 Separating member 8 Inner case 81 Second accommodating chamber 81a Upper accommodating chamber 81b Lower accommodating chamber 82 Second opening 83 Second flange 84 Through hole 85 Separating member 86 Penetration groove 87a First air hole 87b Second air hole 88 Barrier plate 881 Mounting hole 89 Cover plate 9 Ceiling plate A Airflow passage A1 First passage A2 Second passage B Vent

Claims (21)

One outer cover (1, 1 ′, 1 ″), one inner case (2, 2 ′), one fan (3, 3 ′), one radiator (4, 4 ′) and one light emitting member In the lamp having (5), one end of the outer cover (1, 1 ′, 1 ″) includes one first opening (12, 12 ′, 11 ″) and the first opening (12, 12 ′). , 11 ″), one first receiving chamber (11, 11 ′) is formed to be recessed, and one end of the inner case (2, 2 ′) includes one second opening (22, 21 ′). In addition, one second storage chamber (21) is formed to be recessed from the second opening (22, 21 ′), and the inner case (2, 2 ′) is placed in the first storage chamber (11, 11 ′). Provided, the second opening (22, 21 ′) and the first opening (12, 12 ′, 11 ″) are formed to face in the same direction, and the outer cover (1, 1 ′, 1 ″) and the inner case ( 2, 2 ′), a gap is formed, so that one air passage (A) is formed in the first storage chamber (11, 11 ′), and the inner case (2, 2 ′) In addition, one through hole (24, 23 ') is provided, and the through hole (24, 23') is provided in the air flow path (A) and the second storage chamber (in the first storage chamber (11, 11 ')). 21) and the fan (3, 3 ') is provided at a location adjacent to the through hole (24, 23'), and the fan (3, 3 ') includes two air flow distribution sides. The two airflow distribution sides are used for sucking and blowing airflow, and the airflow is formed so as to pass through the through hole (24). The bottom plate (41, 41 ') is included, and one surface of the bottom plate (41, 41') is formed to face the fan (3, 3 '), and the light emitting member (5) is the bottom Provided on the other side of the plate (41, 41 ') ,
A separating member (14) is provided between the outer cover (1, 1 ′, 1 ″) and the inner case (2, 2 ′), and the separating member (14) is spaced apart from the outer cover (1, 1 ′, 1). )) And the inner case (2, 2 ′) are supported to form an airflow passage (A),
One cover plate (25, 25 ') is provided in the second opening (22, 21') of the inner case (2, 2 '), and a plurality of through holes (25, 25') are provided in the cover plate (25, 25 '). 251, 251 ') lamp, characterized in Rukoto provided. One outer cover (1, 1 ′, 1 ″), one inner case (2, 2 ′), one fan (3, 3 ′), one radiator (4, 4 ′) and one light emitting member In the lamp having (5), one end of the outer cover (1, 1 ′, 1 ″) includes one first opening (12, 12 ′, 11 ″) and the first opening (12, 12 ′). , 11 ″), one first receiving chamber (11, 11 ′) is formed to be recessed, and one end of the inner case (2, 2 ′) includes one second opening (22, 21 ′). In addition, one second storage chamber (21) is formed to be recessed from the second opening (22, 21 ′), and the inner case (2, 2 ′) is placed in the first storage chamber (11, 11 ′). Provided, the second opening (22, 21 ′) and the first opening (12, 12 ′, 11 ″) are formed to face in the same direction, and the outer cover (1, 1 ′, 1 ″) and the inner case ( 2, 2 ′), a gap is formed, so that one air passage (A) is formed in the first storage chamber (11, 11 ′), and the inner case (2, 2 ′) In addition, one through hole (24, 23 ') is provided, and the through hole (24, 23') is provided in the air flow path (A) and the second storage chamber (in the first storage chamber (11, 11 ')). 21) and the fan (3, 3 ') is provided at a location adjacent to the through hole (24, 23'), and the fan (3, 3 ') includes two air flow distribution sides. The two airflow distribution sides are used for sucking and blowing airflow, and the airflow is formed so as to pass through the through hole (24). The bottom plate (41, 41 ') is included, and one surface of the bottom plate (41, 41') is formed to face the fan (3, 3 '), and the light emitting member (5) is the bottom Provided on the other side of the plate (41, 41 '),
A separating member (14) is provided between the outer cover (1, 1 ′, 1 ″) and the inner case (2, 2 ′), and the separating member (14) is spaced apart from the outer cover (1, 1 ′, 1). )) And the inner case (2, 2 ′) are supported to form an airflow passage (A),
One first flange (73) is included to extend outward from the periphery of the first opening (72) and one second to extend outward from the periphery of the second opening (82). A flange (83) is included, and the first flange (73) and the second flange (83) are adhered to each other, the second flange (83) is formed to seal the first opening (72);
The partition member (74) is composed of one stop wall, and the air flow passage (A) is divided into one first passage (A1) and one second passage (A2) by the stop wall. Characteristic lamp. The inner diameter of the second opening (22, 21 ′) is smaller than the first opening (12, 12 ′, 11 ″), and the second opening (22, 21 ′) and the first opening (12, 12 ′, 11 ″) claim is formed so as to align, and the second opening (22, 21 ') a first opening (12, 12', 11 "), characterized in that it is formed so as to be located within the range of 1 Or the lamp according to 2 .   One of the two air flow distribution sides is connected to the air flow passage (A), and the other is formed to be connected to the second storage chamber (21). The lamp according to 2 or 3.   The radiator (4, 4 ′) is provided in the second storage chamber (21), and the bottom plate (41, 41 ′) of the radiator (4, 4 ′) is the second fan (3, 3 ′). The lamp according to claim 4, wherein the lamp is formed so as to face an airflow distribution side connected to the storage chamber (21).   In addition, the inner case (6) is provided with a plurality of through holes (64) and a wind guide cover (65). The wind guide cover (65) is a disc body, and the wind guide cover (65) An assembly hole (651) for receiving the fan (3, 3 ') is provided, the outer peripheral edge of the air guide cover (65) is coupled to the inner case (6), and each through hole (64) is guided. The lamp according to claim 1, 2 or 3, wherein the wind cover (65) is formed so as to be within a range that can be covered.   One first flange (13, 13 ′) is included so as to extend outward from the periphery of the first opening (12, 12 ′, 11 ″), and from the periphery of the second opening (22, 21 ′). One second flange (23, 22 ') is included so as to extend outward, and one vent is provided between the first flange (13, 13') and the second flange (23, 22 '). The lamp according to claim 1, 2 or 3, wherein (B) is formed.   A plurality of radiating fins (42, 42 ') are provided on the surface of the radiator (4, 4') facing the air flow side where the bottom plates (41, 41 ') are connected to the second storage chamber (21). The lamp according to claim 1, 2, or 3.   The light emitting member (5) includes one substrate (51) and a plurality of light emitters (52), and each light emitter (52) is provided on one surface of the substrate (51). The lamp according to claim 1, 2 or 3, wherein the other surface of (51) is provided on the bottom plate (41, 41 ') of the radiator (4, 4'). One cover plate (25, 25 ') is provided in the second opening (22, 21') of the inner case (2, 2 '), and a plurality of through holes (25, 25') are provided in the cover plate (25, 25 '). 251 and 251 ') are provided, The lamp of Claim 2 or 3 characterized by the above-mentioned.   On the surface of the cover plate (25, 25 ′) facing the light emitting member (5), a blocking portion (252 ′) is provided, and each through hole (251, 251 ′) is surrounded by the blocking portion (252 ′). The blocking portion (252 ′) is formed so as to be in contact with the bottom plate (41, 41 ′) of the radiator (4, 4 ′), and the light emitting member (5) is the blocking portion. The lamp according to claim 10, wherein the lamp is formed so as to be located within a range enclosed by (252 ′).   The lamp according to claim 11, wherein the blocking portion (252 ') is formed of an annular wall.   The lamp according to claim 11, wherein each through hole (251, 251 ') is formed to be located around the cover plate (25, 25').   One second flange (22 ′) is included so as to extend outward from the periphery of the second opening (21 ′), and the outer periphery of the second flange (22 ′) is the end of the first opening (11 ″). A plurality of vent holes (12 ") are provided at locations adjacent to the first opening (11") on the outer surface of the outer cover (1 ") and connected to the edges. The lamp according to 2 or 3. One first flange (73) is included to extend outward from the periphery of the first opening (72) and one second to extend outward from the periphery of the second opening (82). A flange (83) is included, and the first flange (73) and the second flange (83) are bonded together and the second flange (83) is formed to seal the first opening (72). The lamp according to claim 1 or 3 .   The partition member (74) is composed of one stop wall, and the air flow passage (A) is divided into one first passage (A1) and one second passage (A2) by the stop wall. Item 16. A lamp according to Item 15.   The through hole (84) communicates the first passage (A1) and the second storage chamber (81), and the inner case (8) is provided with a plurality of other through holes (86). The lamp according to claim 16, wherein (86) is formed so as to communicate with the second passage (A2) and the second storage chamber (81).   The second flange (83) is provided with a plurality of first air holes (87a) and a plurality of second air holes (87b), and each first air hole (87a) is connected to the first passage (A1). The lamp according to claim 17, wherein the lamps are connected to each other, and each second air hole (87b) is formed to be connected to the second passage (A2).   One barrier plate (88) is provided in the second storage chamber (81), and the second storage chamber (81) is divided into one upper storage chamber (81a) and one lower storage chamber (88) by the barrier plate (88). The lamp according to claim 18, wherein the lamp is divided into 81b), and the through hole (84) and each through-groove (86) are formed to communicate with the upper storage chamber (81a).   The blocking plate (88) includes one mounting hole (881), and the light emitting member (5) is provided in the mounting hole (881) and is formed to face the lower storage chamber (81b). The lamp according to claim 19.   21. A lamp according to claim 20, wherein the second opening (82) is provided with a single cover plate (89).

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