JP6194508B2 - lighting equipment - Google Patents

Description

  The present invention relates to a lighting fixture that is attached and fixed to a ceiling or the like.

  Conventionally, downlights that are embedded in the ceiling surface are concatenated with a power supply unit in order to improve the workability of lighting fixtures, because there are restrictions on the recessed holes formed on the ceiling surface and the space behind the ceiling. 2. Description of the Related Art A lighting fixture is known in which a power supply unit can be rotatably attached using a connecting member that is connected in a horizontal direction with a member and connects the apparatus main body and the power supply unit. (For example, see Patent Document 1)

JP 2011-070859 A (2nd page, FIG. 12)

  However, in order to form the structure of the rotatable connecting member, a complicated structure is required for the power supply case and the mounting plate, and the efficiency and productivity of materials used in the manufacturing process deteriorate due to the complexity of the structure. was there.

  The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a lighting apparatus that is improved in material efficiency and productivity and excellent in workability.

The luminaire according to the present invention connects a plurality of radiating fins provided in the apparatus main body and a power supply unit with an elastic connecting member, and the radiating fins include a high radiating fin and a low radiating fin. The one end of the connecting member is fixed above the high radiating fin, the other end of the connecting member is fixed to the power supply unit, and the low radiating fin is provided at a location covered by the connecting member of the apparatus body. It is characterized by providing .

  According to the present invention, the connecting member that connects the apparatus main body and the power supply unit has a simple structure, thereby improving the yield of material removal of the member, simplifying the assembly procedure of the instrument, and improving the material efficiency and productivity. An improved lighting fixture having excellent workability can be provided.

It is a side view of the lighting fixture which concerns on Embodiment 1 of this invention. It is a perspective view of the lighting fixture which concerns on Embodiment 1 of this invention. It is a side view of the connection member which connects the main body and power supply unit of the lighting fixture which concern on Embodiment 1 of this invention. It is a perspective view of the connection member which connects the main body and power supply unit of the lighting fixture which concern on Embodiment 1 of this invention. It is a side view which shows the process in which the lighting fixture which concerns on Embodiment 1 of this invention is installed in a ceiling surface. It is a side view of the connection member which connects the main body and power supply unit of the lighting fixture which concerns on the other Example of Embodiment 1 of this invention. It is a side view of the connection member which connects the main body and power supply unit of the lighting fixture which concerns on the other Example of Embodiment 1 of this invention. It is a side view of the connection member which connects the main body and power supply unit of the lighting fixture which concerns on the other Example of Embodiment 1 of this invention. It is a side view of the lighting fixture which concerns on Embodiment 2 of this invention.

  DESCRIPTION OF EXEMPLARY EMBODIMENTS Hereinafter, a preferred embodiment of a lighting apparatus according to the invention will be described with reference to the drawings. Note that the present invention is not limited by these embodiments.

Embodiment 1 FIG.
A specific configuration of the present invention will be described with reference to FIGS. 1, 2 and 5 show the whole lighting apparatus according to Embodiment 1 of the present invention. 3 and 4 show the connecting member 8 according to Embodiment 1 of the present invention, and FIGS. 6 to 8 show other examples of the connecting member 8 according to Embodiment 1 of the present invention.

  The downlight 1 includes a substantially cylindrical main body 2 having a light source, and a power supply unit 3 that is connected to the main body 2 and supplies power for turning on the light source.

  As shown in FIGS. 1 and 2, the main body 2 is attached to the inside of the main body 2, and an LED module (not shown) using an LED as a light source, an optical control reflector 4, and a transparent cover that protects the light emitting unit 5 and a heat dissipating fin 6 for dissipating heat generated from the LED module, provided on the upper portion of the main body 2, and a power receiving connector (not shown) is disposed on the upper portion of the main body 2. A plurality of attachment leaf springs 7 are attached to the lower portion of the main body 2.

  The power supply unit 3 takes a commercial power supply as an input, and stores a power supply board equipped with a constant current output lighting circuit for lighting an LED module attached to the main body 2 and a protection circuit for suppressing electrical noise in a case. Is.

  The main body 2 and the power supply unit 3 are connected by a connecting member 8 that is an elastic plate. The power supply unit 3 and the LED module are electrically connected to each other by an electric wire or the like separately from the connecting member 8.

  The power supply unit 3 is provided with a power supply terminal block 9 in a direction opposite to the connecting direction to the connecting member 8 or the main body 2, and commercial power is supplied to the power supply unit 3 through the power supply terminal block 9. A power supply line 10 such as a normal VVF cable is connected to the power supply terminal block 9, and commercial power is supplied via the power supply line 10.

  The connecting member 8 is formed of a single plate material made of an elastic member made of stainless steel or the like, and as shown in FIG. 3, a spring portion 81 whose upper surface is formed in a rectangular shape and one end of the spring portion 81. A pair of fixing portions 82a extending downward from both side surfaces of the spring portion 81 and a pair of fixing portions 82b extending downward from both side surfaces of the other end of the spring portion 81.

  Further, in the spring portion 81 of the connecting member 8, when the spring portion 81 is viewed from the side surface side, a U-shaped bent portion 83 is provided at substantially the center of the portion where the fixing portions 82a and 82b are not provided. .

  As shown in FIG. 4, the U-shaped bent portion 83 is formed to be recessed in a direction intersecting with the direction connecting the apparatus main body 2 and the power supply unit 3 when the spring portion 81 is viewed from the upper surface side. The power supply unit 3 is pivoted in the vertical and horizontal directions with respect to the main body 2 with the bent portion 83 as a fulcrum.

  Here, the horizontal direction is a direction horizontal to the ceiling surface 100 when the downlight 1 is provided on the ceiling surface.

  Further, the fixing portion 82a of the connecting member 8 is attached to the upper side of the radiating fin 6 of the main body 2 by fixing means such as a screw, and the fixing portion 82b of the connecting member 8 is provided with the power terminal block 9 of the power supply unit 3. It is attached to the side surface of the end opposite to the side that is provided by a fixing means such as a screw.

  In addition, since the radiation fin 6 radiates main heat from the transparent cover 5 of the main body 2 and the tip of the radiation fin 6 extending in the vertical direction, when the connecting member 8 is fixed so as to close the upper side of the radiation fin 6, It becomes resistance and heat dissipation efficiency falls.

  Therefore, as shown in FIG. 2, in the heat radiation fin 61 whose upper part is covered with the connecting member 8, the height of the fin portion 61 a whose upper part is covered with the connecting member 8 is covered with the connecting member 8. It is made lower than the height of the same part in the other plurality of heat dissipating fins 62, and a space is provided between the upper surface of the fin portion 61a and the lower surface of the spring portion 81 of the connecting member 8, and the upper portion is covered by the connecting member 8. A reduction in heat dissipation efficiency of the fin portion 61a is suppressed.

  In addition, the height of the fin part 61a is lower than the height to the lower end of the fixing part 82a in a state of being fixed to the main body 2, and the height of the fin part 61a does not reach the lower end of the fixing part 82a. As a result, the heat radiation efficiency can be further increased.

  Further, by setting the height of the fin portion 61 a to be lower than the height to the lower end of the U-shaped bent portion 83 provided in the spring portion 81, the surface on the power supply unit 3 side is further opened. That is, the heat dissipation efficiency can be further increased.

  In addition, although the U-shaped bending part 83 was mentioned as an example as a shape of the spring part 81, the power supply unit 3 can be rotated in the vertical direction and the horizontal direction with respect to the main body 2 by providing the spring part 81 with a bending process. Can be moved to.

  Therefore, not only the U-shape but also a V-shaped bent portion 84 as shown in FIG. 6 and a rectangular bent portion 85 as shown in FIG. The bent portion 83, the V-shaped bent portion 84, and the rectangular bent portion 85 are not only bent downward from the lower surface of the spring portion 81, but also as shown in FIG. A W-shaped bent portion 86 that is bent downward from the lower surface of 81 and bent upward from the upper surface of the spring portion 81 may be provided.

  Further, a shape that is bent upward from the upper surface of the spring portion 81 may be provided. When a shape bent upward from the upper surface of the spring portion 81 is used, the fin portion 61 a on the power supply unit 3 side is used. The surface is completely opened, and further heat dissipation efficiency can be enhanced. In the following description, a case where the U-shaped bent portion 83 is provided will be described as an example.

Next, the operation of the downlight according to Embodiment 1 of the present invention will be described.
When the power supply unit 3 is energized from a commercial power supply, power is supplied to the LED module, and the LED emits light. Most of the light emitted from the LED is directly transmitted through the transparent cover 5 and irradiated forward, and a part of the light is reflected on each reflecting surface of the reflection plate 4 for optical control to control light distribution and pass through the transparent cover 5. Then it is irradiated forward. On the other hand, the heat generated from the LED is transmitted from the LED module to the main body 2, and further conducted to the entire outer peripheral main body 2 and the heat radiation fins 6, and is radiated with heat radiation in the conduction process.

  Next, a method for installing the downlight according to Embodiment 1 of the present invention will be described with reference to FIG.

  First, the power line 10 wired behind the ceiling surface 100 is pulled out from the embedding hole 101 formed on the ceiling surface and connected to the power terminal block 9 of the power unit 3. Then, the power supply unit 3 is inserted into the embedding hole 101 from the side where the power supply terminal block 9 is provided, and is inserted into the space behind the ceiling surface 100.

  At this time, the connecting member 8 that connects the main body 2 and the power supply unit 3 bends due to its own weight, and the main body 2 approaches the lower side of the power supply unit 3. After that, by inserting the power supply unit 3 into the space behind the ceiling surface 100 while curving the connecting member 8, the main body 2 does not come into contact with the peripheral edge of the embedded hole 101. A gap is formed between the main body 2 and the main body 2 so that interference in the embedding hole 101 of the main body 2 is avoided.

  And most of the power supply unit 3 is inserted into the space behind the ceiling surface 100, and at the same time, the pair of leaf springs 7 of the main body 2 are operated with both hands so as to squeeze against the elastic force. The body 2 is inserted into the embedding hole 101 while being supported. As the main body 2 is inserted into the embedding hole 101, the hand is released and the main body 2 is pushed up. As a result, the mounting leaf spring 7 returns to the outer side and comes into contact with the back surface of the ceiling surface 100, and the main body 2 is pulled upward by this elastic force, and the downlight 1 is installed on the ceiling surface 100.

  When installed, the power supply line 10 connected to the power supply terminal block 9 of the power supply unit 3 may be pulled. However, the connecting member 8 is not only in the vertical direction but also in the horizontal direction with respect to the ceiling surface 100. Since it can be bent, the stress applied to the power terminal block 9 is reduced.

  As described above, according to the present embodiment, the connecting member 8 that connects the main body 2 and the power supply unit 3 has a simple structure with elasticity, thereby reducing the material cost and simplifying the assembly procedure of the instrument. Providing lighting equipment with excellent workability that enables easy installation of the power supply unit 3 while curving the connecting member 8 even in a constrained installation place where the space behind the ceiling is low, improving the material efficiency and productivity. can do.

  In addition, according to the embodiment, even when a load is applied to the power supply terminal block 9 in a direction parallel to the ceiling surface 100, the stress applied to the power supply terminal block 9 is alleviated, and the stress load applied to the power supply terminal block 9 is reduced. The effect that it is done can be demonstrated.

  In the first embodiment, the screw is exemplified as the fixing means for fixing the connecting member 8 to the main body 2 or the power supply unit 3; however, the fixing means is not limited to the screw, and a method of fixing with a rivet or a claw may be used.

Embodiment 2. FIG.
In the first embodiment, an example in which a bending portion is provided in the spring portion 81 of the connecting member 8 is described. However, even if the bending portion is not provided in the spring portion 81, the workability is excellent, and the cost, productivity, and heat dissipation are improved. An improved lighting apparatus can be provided.

  FIG. 9 shows a side view of the spring portion 810 according to the second embodiment.

  The second embodiment is different from the first embodiment in that the shape of the spring portion 81 is changed to a flat spring portion 810. Other configurations are the same as or equivalent to those of the first embodiment, and FIG. 9 is used. In addition, the same code | symbol is attached | subjected about the component which is the same as that of Embodiment 1, or equivalent, and the description is abbreviate | omitted.

  When the spring portion 810 according to the second embodiment is viewed from the side, it is formed in a straight line shape, and the power supply unit 3 moves up and down with respect to the main body 2 with the spring portion 810 as a fulcrum.

  Further, since the spring portions 810 according to the second embodiment are not provided with the bent portions 83 to 86 of the spring portion 81 according to the first embodiment, the side surfaces of the fin portions 61a are not covered by the bent portions, and are completely Since it is open to the outside, excellent heat dissipation efficiency is exhibited.

  Next, the installation method of the downlight 1 according to the second embodiment of the present invention is omitted because it is performed in the same manner as the installation method of the downlight 1 according to the first embodiment, but the downlight according to the second embodiment is omitted. Since the shape of the connecting member 8 of the light 1 is a flat plate shape, the connecting member 8 can be bent in the vertical direction with respect to the ceiling surface 100, so even when a load is applied to the power terminal block 9, it is applied to the power terminal block 9. The stress is relaxed, and the burden of stress applied to the power terminal block 9 is reduced.

  As described above, according to the present embodiment, the main body 2 and the power supply unit 3 are connected by the elastic connecting member 8, so that, as in the first embodiment, a low-ceiling space with limited space is provided. The power supply unit 3 can be easily installed while curving the connecting member 8 even at a place, and since the bending process is not performed on the connecting member 8, there is no need for a mold or a manufacturing apparatus for performing the bending process. In addition, since the manufacturing process is also reduced, it is possible to manufacture at a lower cost than in the first embodiment, to further improve productivity, and to provide a lighting apparatus with higher heat dissipation efficiency and excellent workability. .

  DESCRIPTION OF SYMBOLS 1 Downlight, 2 Main body, 3 Power supply unit, 4 Optical control reflecting plate, 5 Transparent cover, 6 Radiation fin, 61 Radiation fin with upper part covered by connecting member, 61a Upper part covered by connecting member , Fins 62, radiating fins not covered by the connecting members, 7 mounting leaf springs, 8 connecting members, 81 spring members, 82a fixing parts (main body side), 82b fixing parts (power supply unit side), 83 U-shaped bent portion, 84 V-shaped bent portion, 85 rectangular bent portion, 86 W-shaped bent portion, 810 spring portion, 9 power supply terminal block, 10 power supply line, 100 ceiling surface, 101 embedded hole.

Claims (3)

An apparatus main body having a light source and a plurality of heat dissipating fins for radiating heat generated from the light source;
A power supply unit for supplying power for lighting the light source to the apparatus body;
A connecting member for connecting the apparatus main body and the power supply unit;
The radiating fin is composed of a high radiating fin and a low radiating fin,
One end of the connecting member is fixed above the high heat radiation fins of said height, the other end of the connecting member is fixed to the power supply unit, the remaining portion of the connecting member has elasticity,
The lighting fixture according to claim 1 , wherein the low- radiation fin is provided at a location where the connection member of the apparatus body is covered with an upper portion . The connecting member is provided with a bent portion formed on the upper surface of the connecting member in a direction intersecting with the direction connecting the apparatus main body and the power supply unit and bent downward from the lower surface of the connecting member. The lighting fixture according to claim 1 . The connecting member is provided with a bent portion formed on the upper surface of the connecting member in a direction intersecting with a direction connecting the apparatus main body and the power supply unit and bent upward from the upper surface of the connecting member. lighting device according to any one of claims 1 to 2,.

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