JP5477529B2 - lighting equipment - Google Patents

Description

The present invention relates to a luminaire having a socket device in which a lamp device in which a base is provided on one side and a light source is arranged on the other side is assembled.

  Conventionally, there is a lamp device using a base part of a GX53 type standardized by IEC (International Electrotechnical Commission). This lamp device has a flat shape and is provided with a GX53-shaped base portion on the upper surface side thereof, and a planar light source using a fluorescent lamp, an LED or the like is disposed on the lower surface side, and the light source is lit inside. The lighting circuit is accommodated, and is configured to be thin with a small dimension in the height direction formed by the upper surface side and the lower surface side.

A pair of lamp pins having a large-diameter portion at the tip is projected from the upper surface of the base portion with the height direction of the lamp device as the axial direction. Then, the lamp pin of the lamp device is inserted into the socket portion of the socket device from below, the lamp device is rotated and the lamp pin is hooked on the socket portion, thereby holding the lamp device on the socket device and receiving the socket portion on the lamp pin. It is configured such that gold contacts and supplies power to the lamp pins (see, for example, Patent Document 1).
JP 2007-157367 A (page 5-8, FIG. 1-2)

  Since the light source generates heat when the lamp device is turned on, it is necessary to dissipate heat, and heat dissipation from the base portion of the lamp device is also effective.

  However, in the state in which the base portion of the lamp device is assembled to the socket device, the area exposed to the outside of the base portion is reduced due to the mounting structure, so that the heat dissipation is reduced. On the other hand, it is conceivable to conduct heat from the base part to the socket device side. However, since a gap is formed between the base part and the socket device and they are not in close contact with each other, the heat of the base part is efficiently transferred to the socket device side. There is a problem that sufficient heat dissipation is not obtained.

  This invention is made | formed in view of such a point, and it aims at providing the lighting fixture which can efficiently radiate the heat | fever of the lamp device with which the socket apparatus was mounted | worn from a nozzle | cap | die part.

The lamp fixture according to claim 1, wherein a projection protruding from the center of the base provided on one side of the lamp device is inserted to hold the base, and the lamp pin protrudes from the outside of the projection of the base. A socket device for supplying power to turn on a light source disposed on the other surface side of the lamp device; a heat dissipator in contact with a protrusion inserted in the socket device ; and provided in the socket device And a pressing body that is disposed outside the protrusion inserted into the socket device and at a position away from the heat radiator that the protrusion contacts, and that presses the protrusion and the heat radiator in the contact direction. It is.

  The base part of the lamp device main body has a base structure such as GX53 type, for example, and a metal material having excellent thermal conductivity may be used at least at a place in contact with the radiator.

  The light source may be any flat and thin light source such as an LED, an organic EL, or a flat discharge lamp. You may attach the glove which covers this light source to a lamp device main part.

  The lighting circuit may be housed in the lamp device body, or may be disposed together with the light source on the other surface side of the lamp device body.

  The heat radiating body may be made of metal and provided with a heat radiating structure such as a fin, or may be used as a metal reflector or an instrument body.

  A spring, an elastic body, or the like is used as the pressing body, and the heat sink may be pressed against the base or the base may be pressed against the heat sink.

  The heat radiating body and the pressing body may be separate bodies, or the heat radiating body itself may have an integrated structure provided with pressing means. For example, an integrated structure such as a metal bellows having a heat dissipation function and a pressing function may be used.

Luminaire 請 Motomeko 2 wherein, in the lighting fixture of claim 1 Symbol placement, lamp device body, the lamp pins from the outside than the projecting portions with the projecting portion is projected from the center is provided on one side of the lamp device body A lamp device having a protruding cap portion, a light source disposed on the other surface side of the lamp device main body, and a lighting circuit for lighting the light source is mounted on the socket device.

Protrusion of the ferrule portion may be in contact with the heat dissipating member protrudes from the socket device, the heat dissipating member without projecting from the socket device may contact invade the socket device side.

According to the lighting apparatus of claim 1, the protrusion of the base portion of the lamp device mounted on the socket device and the radiator are in contact with each other, and the protrusion of the base portion and the radiator are pressed in the contact direction by the pressing body. Therefore , the protrusion of the base part and the radiator can be brought into close contact with each other, heat can be efficiently conducted from the protrusion of the base part to the heat radiator, and the heat of the lamp device can be efficiently radiated from the protrusion of the base part.

According to the luminaire of 請 Motomeko 2 wherein, in addition to the effects of claim 1 Symbol mounting luminaire, the lamp device by mounting the socket device, the heat of the lamp device can be radiated efficiently from the mouthpiece.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  FIG. 1 to FIG. 4 show a first embodiment, FIG. 1 is a cross-sectional view of a state where a lamp device of a lighting fixture is mounted, FIG. 2 is a cross-sectional view of a state where the lamp device of the lighting fixture is removed, and FIG. FIG. 4 is a perspective view of the lamp apparatus, and FIG. 4 is a perspective view of the lamp apparatus.

  The lighting fixture 11 is, for example, a downlight, and includes a fixture main body 12 as a heat radiator, a socket device 13 attached to the fixture main body 12, and a lamp device 14 that can be attached to and detached from the socket device 13. Hereinafter, the directional relationship such as the vertical direction will be described with the base side as the upper side and the light source side as the lower side, based on the state where the lamp device 14 is mounted horizontally.

  The instrument body 12 is made of metal and has a reflector integrally formed, and includes a circular flat plate portion 17 and a reflective plate portion 18 that is bent downward from the periphery of the flat plate portion 17 in a curved shape. Yes.

  The socket device 13 has a cylindrical socket device body 21 made of a synthetic resin having insulation properties, and a fitting hole 22 is formed through the center of the socket device body 21 in the vertical direction. On the inner surface of the fitting hole 22, a pair of projecting portions 23 protrudes toward the center of the fitting hole 22.

  A pair of socket portions 24 are formed on the lower surface of the socket device body 21. These socket portions 24 are formed with connection holes 25, and a receiving metal (not shown) that supplies power to the inside of the connection holes 25 is disposed. The connection hole 25 is an arcuate groove portion that is rotationally symmetric with respect to the center of the socket device main body 21, and an enlarged diameter portion 26 is formed at one end of the arcuate groove portion.

  A plurality of recesses 27 are formed on the lower surface of the socket device body 21, and a screw shaft 29 of a screw 28 is inserted into the recess 27 from the instrument body 12, and an elastic material such as rubber is used as a pressing body on the screw shaft 29. A nut 31 is screwed through the body 30. The socket device 13 is attached to the flat plate portion 17 of the instrument body 12 by the screws 28, the elastic body 30, and the nut 31.

  The lamp device 14 has a flat lamp device main body 34, a plurality of LEDs 35 as light sources arranged on the lower surface side of the lamp device main body 34, a globe 36 covering the LEDs 35, and a lighting circuit 37 for lighting the LEDs 35. However, it is formed in a thin shape with a small dimension in the height direction.

  The lamp device body 34 is made of an insulating synthetic resin or a metal such as aluminum having excellent heat dissipation, and a GX53-shaped base portion 38 is formed on the upper surface side which is one surface side, and on the other surface side. A planar light source mounting surface 39 for mounting the LED 35 is formed on a certain lower surface side, and a housing portion 40 for housing the lighting circuit 37 is formed therein.

  An annular contact surface 41 that contacts the lower surface of the socket device 13 is formed on the base portion 38, and a cylindrical protrusion that can be fitted into the fitting hole 22 of the socket device 13 from the center of the contact surface 41. The part 42 is projected. The projecting dimension of the projecting part 42 is larger than the hole depth dimension of the fitting hole 22 of the socket device 13, and the end surface 43 of the projecting part 42 projects from the fitting hole 22 when the lamp device 14 is mounted on the socket device 13. Is configured to do.

  On the contact surface 41, a pair of conductive metal lamp pins 44 protrudes. A large-diameter portion 45 is formed at the tip of these lamp pins 44. The large diameter portion 45 of each lamp pin 44 is inserted from the enlarged diameter portion 26 of each connection hole 25 of the socket device 13, and the lamp pin 44 moves to the connection hole 25 by the rotation of the lamp device 14, whereby the lamp pin 44 is The lamp device 14 is configured to be held in the socket device 13 by being in electrical contact with the metal receiver and by catching the large diameter portion 45 on the edge of the connection hole 25. When the lamp device main body 34 is a metal, the lamp pin 44 is attached to the lamp device main body 34 with an insulating material interposed.

  A pair of guide grooves 46 with which the projections 23 of the socket device 13 are engaged are formed on the side surfaces of the protrusions 42. The guide groove 46 includes an introduction groove 47 that opens to the end surface 43 of the protrusion 42, an inclined groove 48 that is inclined from the introduction groove 47, and a holding groove 49 that is horizontal from the inclined groove 48. Then, the lamp device 14 is raised in accordance with the introduction groove portion 47 of the guide groove 46 to the projection portion 23 of the socket device 13 and then rotated in the mounting direction, whereby the projection portion 23 and the inclined groove portion 48 are engaged. The position where the lamp device 14 is moved upward and the socket device 13 is relatively moved downward and the projection 23 and the holding groove 49 are engaged is the mounting position where the lamp device 14 is mounted on the socket device 13.

  The plurality of LEDs 35 are mounted on the LED module substrate 50, and the LED module substrate 50 is attached in close contact with the light source attachment surface 39 of the lamp device main body 34. The LED module substrate 50 is mounted so that a wiring pattern is formed on a metal substrate via an insulating layer, the LED 35 is connected on the wiring pattern, and is in close contact with the light source mounting surface 39 of the lamp device main body 21 with screws or the like. It has been.

  In addition, the globe 36 is made of transparent or light diffusing glass or synthetic resin having translucency.

  Although not shown, the lighting circuit 37 has a circuit board and a lighting circuit component mounted on the circuit board, and the lamp pin 44 is electrically connected to the input part of the circuit board by a lead wire or the like. The LED module substrate 50 is electrically connected to the output portion of the LED module by a lead wire or the like. When the lamp device main body 34 is a metal, it is accommodated in the accommodating portion 40 of the lamp device main body 34 with an insulating material interposed.

  As shown in FIG. 2, the socket device 13 without the lamp device 14 is pushed upward by the pressing of the elastic body 30, and the upper surface of the socket device 13 abuts against the flat plate portion 17 of the instrument body 12. Has been.

  In order to attach the lamp device 14 to the socket device 13, the introduction groove 47 of the guide groove 46 of the lamp device 14 is aligned with the protrusion 23 of the socket device 13, and the lamp pin 44 of the lamp device 14 is connected to each connection hole of the socket device 13. The lamp device 14 is raised in accordance with the 25 enlarged diameter portions 26 and then rotated in the mounting direction. By this rotation, the lamp device 14 is moved upward by the engagement of the protrusion 23 and the inclined groove 48, and the end surface of the protrusion 23 protrudes from the upper surface of the socket device 13 and contacts the flat plate portion 17 of the instrument body 12. . Further, by rotating the lamp device 14 in the mounting direction, the socket device 13 is lowered against the pressing of the elastic body 30 with respect to the lamp device 14 whose upward movement is restricted. By engaging the projection 23 and the holding groove 49, the mounting position where the lamp device 14 is mounted on the socket device 13 is reached, and the lamp pin 44 is in electrical contact with the socket of the socket device 13.

  In a state where the lamp device 14 is mounted on the socket device 13, the socket device 13 is pushed upward by the pressing of the elastic body 30, so that the end face 43 of the protruding portion 42 of the base portion 38 protruding from the upper surface of the socket device 13 is used as an instrument. Press against the flat plate portion 17 of the main body 12 to be brought into close contact therewith.

  Therefore, when the LED 35 of the lamp device 14 is turned on, the LED 35 generates heat, and the heat transmitted to the base portion 38 is efficiently conducted from the end face 43 of the protruding portion 42 of the base portion 38 to the fixture body 12, and the lamp device 14 Can be efficiently dissipated from the base part 38.

  Next, FIG. 5 shows a second embodiment, and FIG. 5 is a sectional view of the lighting fixture.

  The instrument body 12 includes a cylindrical tube portion 52, a top plate portion 53 provided on the upper surface of the tube portion 52, and a reflecting plate portion 54 that protrudes obliquely outward from the lower portion of the tube portion 52.

  The socket device 13 is fixed to the lower side of the cylindrical portion 52 of the instrument body 12, and a space between the upper surface of the socket device 13 and the top plate portion 53 of the instrument body 12 is provided with a heat radiating plate 55 and a pressing member. A spring 56 as a body is arranged.

  The heat radiating plate 55 is made of metal, and a contact portion 57 having a substantially U-shaped cross section that is in surface contact with the end surface 43 of the protruding portion 42 protruding from the base portion 38 of the lamp device 14 is formed in the middle portion, and both end portions are the instrument body 12. And is arranged to be movable in the vertical direction with respect to the instrument body 12. Fins or the like may be provided at both ends of the heat radiating plate 55 to enhance the heat radiating effect.

  The spring 56 is disposed in a compressed state between the upper surface of the contact portion 57 of the heat radiating plate 55 and the top plate portion 53 of the instrument main body 12, and presses the heat radiating plate 55 downward.

  Then, by attaching the lamp device 14 to the socket device 13, the contact portion 57 of the heat radiating plate 55 comes into contact with the end face 43 of the protruding portion 42 of the base portion 38, and the contact portion 57 of the heat radiating plate 55 is connected to the base by the spring 56. Press against the end face 43 of the projecting portion 42 of the portion 38 to bring it into close contact.

  Therefore, when the lamp device 14 is turned on, heat is generated from the LED 35, and the heat transmitted to the base portion 38 is efficiently conducted from the end face 43 of the protruding portion 42 of the base portion 38 to the heat radiating plate 55. Can be efficiently radiated from the base part 38.

  Although the spring 56 is used as the pressing body, it may be in close contact with the protruding portion 42 of the base portion 38 by the elasticity of the heat radiating plate 55 itself. In this case, the spring 56 is omitted and the heat radiating plate 55 is pressed. It can have body functions.

  Next, FIGS. 6 and 7 show a third embodiment, in which FIG. 6 is a perspective view in which a part of the lighting device is sectioned, and FIG. 7 is a perspective view in which a part of the lighting fixture is seen through.

  The instrument main body 12 has the same structure as that of the second embodiment, and a heat radiating plate 60 as a heat radiating body and a pressing body in a space between the upper surface of the socket device 13 and the top plate portion 53 of the instrument main body 12. The spring 61 is arranged.

  The heat radiating plate 60 is made of, for example, a metal such as copper and is formed in a ring shape. A flat contact portion 62 that contacts the end surface 43 of the protruding portion 42 of the base portion 38 of the lamp device 14 is formed on the lower surface, and the upper surface is formed. A flat contact portion 63 that contacts the instrument main body 12 is formed, and a curved side surface portion 64 that allows expansion and contraction of the interval between the contact portions 62 and 63 is formed between both sides of the contact portions 62 and 63.

  The spring 61 is disposed in a compressed state between the upper and lower contact portions 62 and 63 inside the heat radiating plate 60.

  Then, by attaching the lamp device 14 to the socket device 13, the end surface 43 of the protruding portion 42 of the base portion 38 protrudes from the upper surface of the socket device 13 and comes into contact with the contact portion 62 on the lower surface of the radiator plate 60. The spring 61 disposed inside the heat sink 60 presses and contacts the contact portion 62 on the lower surface of the heat sink 60 against the end surface 43 of the protrusion 42 of the base 38, and the contact portion 63 on the upper surface of the heat sink 60 Press against the instrument body 12 to bring it into close contact.

  Therefore, when the lamp device 14 is turned on, the LED 35 generates heat, and the heat transmitted to the base portion 38 is efficiently conducted from the end face 43 of the protruding portion 42 of the base portion 38 to the heat radiating plate 60, and the heat radiating plate 60 Thus, heat is efficiently conducted from the lamp body 14 to the fixture body 12, and the heat of the lamp device 14 can be efficiently radiated from the base portion 38.

  Although the spring 61 is used as the pressing body, the spring 61 itself may be in close contact with the protruding portion 42 of the base portion 38 and the instrument main body 12 due to the elasticity of the radiator plate 60. In this case, the spring 61 is omitted. In addition, the function of the pressing body can be given to the heat radiating plate 60.

  Next, FIG. 8 shows a fourth embodiment, and FIG. 8 is a perspective view of a part of the lighting device.

  The instrument main body 12 has the same structure as the second and third embodiments, and is used as a radiator and a pressing body in the space between the upper surface of the socket device 13 and the top plate portion 53 of the instrument main body 12. A heat radiating member 67 is disposed. The heat radiating member 67 is made of a metal such as copper and is a cylindrical bellows, and is disposed in a compressed state between the upper surface of the socket device 13 and the top plate portion 53 of the instrument body 12.

  Then, by attaching the lamp device 14 to the socket device 13, the end surface 43 of the protruding portion 42 of the base portion 38 protrudes from the upper surface of the socket device 13 and contacts the lower portion of the heat dissipation member 67. Due to the elasticity of the heat dissipating member 67, the lower part of the heat dissipating member 67 comes into close contact with the end face 43 of the protruding portion 42 of the base part 38, and the upper part of the heat dissipating member 67 comes into close contact with the instrument body 12.

  Therefore, when the lamp device 14 is turned on, the LED 35 generates heat, and the heat transmitted to the base portion 38 is efficiently conducted from the end face 43 of the protruding portion 42 of the base portion 38 to the heat radiating member 67, and the heat radiating member 67 Thus, heat is efficiently conducted from the lamp body 14 to the fixture body 12, and the heat of the lamp device 14 can be efficiently radiated from the base portion 38.

  Moreover, the single heat radiating member 67 can be used as both a heat radiating body and a pressing body, and the number of parts can be reduced.

  Alternatively, the reflector plate portion 54 may be separated from the fixture body 12 and the reflector plate portion 54 may be detachably attached to the lamp device 14. Thereby, the heat of the lamp device 14 is transmitted to the reflecting plate portion 54, and the heat dissipation can be improved. In addition, the lamp device 14 can be attached to and detached from the socket device 13 with the reflecting plate portion 54, and the operability can be improved.

It is sectional drawing of the state which mounted | wore with the lamp device of the lighting fixture which shows the 1st Embodiment of this invention. It is sectional drawing of the state which removed the lamp device of the lighting fixture same as the above. It is a perspective view of the decomposition | disassembly state of a lighting fixture same as the above. It is a perspective view of a lamp device same as the above. It is sectional drawing of the lighting fixture which shows the 2nd Embodiment of this invention. It is the perspective view which made a cross section the part of the illuminating device which shows the 3rd Embodiment of this invention. It is the perspective view which saw through a part of lighting fixture same as the above. It is the perspective view which saw through a part of illuminating device which shows the 4th Embodiment of this invention.

11 Lighting equipment
12 Instrument body as a radiator
13 Socket device
14 Lamp device
30 Elastic body as pressing body
34 Lamp unit
35 LED as light source
37 Lighting circuit
38 Base part
42 Protrusion
44 lamp pins
55 Heat sink as radiator
56 Spring as a pressing body
60 Heat sink as radiator
61 Spring as a pressing body
67 Heat dissipation member as heat dissipation body and pressing body

Claims (2)

A projection protruding from the center of the base provided on one side of the lamp device is inserted to hold the base, and a lamp pin protruding from the outside of the projection of the base is connected to the other side of the lamp device. A socket device for supplying power for lighting a light source disposed on the side;
A radiator that contacts the protrusions inserted in the socket device;
A pressing body that is provided in the socket device and is disposed outside the protrusion inserted into the socket device and at a position away from the radiator that the protrusion contacts, and presses the protrusion and the radiator in the contact direction; ;
The lighting fixture characterized by comprising. A lamp device body, a base provided on one surface side of the lamp device body with a protruding portion protruding from the center and a lamp pin protruding from the outside of the protruding portion, a light source disposed on the other surface side of the lamp device body, and a light source The lighting apparatus according to claim 1, wherein a lamp device having a lighting circuit for lighting is attached to the socket device.

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