JP2017182948A - Electric lamp and lighting fixture using the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an electric lamp and a lighting fixture that can be reduced in power consumption and increased in brightness.SOLUTION: According to the present invention, an electric lamp (5) has a retaining part (14) for retaining the electric lamp (5) and a light source part (15) for emitting light arranged one over the other, and also has a heat radiation part (16), emitting heat generated by the light source part (15), arranged between the retaining part (14) and light source part (15), and the heat radiation part (16) has a heat radiation path (29) penetrating in a right-left direction. The heat radiation part (16) also has a heat radiation path (28) penetrating in a front-rear direction. Further, a lighting fixture (1) having the electric lamp (5), a reflecting umbrella (2), and a support body (3) supporting the electric lamp (5) and reflecting umbrella (2) according to the present invention has the support body (3) provided with a through hole (13) at a position corresponding to the heat radiation path (29) formed at the electric lamp (5).SELECTED DRAWING: Figure 1

Description

  The present invention relates to an electric lamp and a lighting fixture using the same.

  Since an electric lamp has a mechanism that converts electric energy into light and emits it, heat is generated during energy conversion. If this heat is not released (discharged) well, not only the life of the lamp will be shortened, but also power consumption and luminance will be reduced. In particular, heat dissipation is an important technical element in electrodeless lamps and LEDs that have been frequently used in recent years.

  Therefore, in an electric lamp using an electrodeless lamp, an LED, or the like as a light source, a columnar heat dissipation member is provided to release heat generated by the light source (see, for example, Patent Document 1).

JP 2010-50058 A

  In the above-mentioned conventional electric lamp, the heat radiating member has a column shape and has a structure for releasing heat from the outer peripheral surface thereof.

  For this reason, the area to radiate heat (the area of the outer peripheral surface of the heat radiating member) is limited, the heat generated by the light source cannot be released well, and it is difficult to reduce power consumption and increase brightness. It was.

  In particular, in a lighting fixture in which a reflector is provided around an electric lamp, heat is accumulated around the electric lamp and there is a possibility that heat radiation cannot be performed satisfactorily.

  Therefore, in the present invention according to claim 1, the holding part that holds the electric lamp and the light source part that emits light are arranged vertically, and the heat radiation that releases the heat generated in the light source part between the holding part and the light source part is performed. In the electric lamp in which the part is arranged, the heat dissipating part has a heat dissipating path penetrating left and right.

  Moreover, in this invention which concerns on Claim 2, in the said invention which concerns on the said Claim 1, the said thermal radiation part decided to also have a thermal radiation path penetrated back and forth.

  According to the third aspect of the present invention, in the lighting fixture having the lamp, the reflector, and the support that supports the lamp and the reflector, the lamp includes a holding unit that holds the lamp and a light source unit that emits light. Is arranged between the holding part and the light source part, a heat radiating part that releases heat generated in the light source part is arranged, and a heat radiating path penetrating from side to side is formed in the heat radiating part. A through hole is provided at a position corresponding to the formed heat dissipation path.

  And in this invention, there exists an effect described below.

  That is, in the present invention, an electric lamp in which a holding part that holds an electric lamp and a light source part that emits light are arranged up and down, and a heat radiating part that releases heat generated in the light source part is arranged between the holding part and the light source part. , The heat dissipation part has a heat dissipation path that penetrates to the left and right, so that the heat dissipation area in the heat dissipation part can be increased and the flow of heat can be made smooth and generated in the light source part. Heat can be radiated well.

  Therefore, in the present invention, it is possible to reduce the power consumption of the lamp and increase the luminance.

  In particular, when a heat dissipation path that penetrates back and forth is also provided in the heat dissipation part, it is possible to further increase the heat dissipation area and smooth the heat flow, further reducing the power consumption of the lamp and increasing the brightness. Can be achieved.

  Further, in the present invention, in a lighting fixture having an electric lamp, a reflector, and a support that supports the electric lamp and the reflector, the electric lamp has a holding part that holds the electric lamp and a light source part that emits light arranged vertically. And a heat dissipating part that releases heat generated in the light source part is disposed between the holding part and the light source part, a heat dissipating path penetrating left and right is formed in the heat dissipating part, and the support body is formed with a heat dissipating path formed in the lamp. Since the through hole is provided at the corresponding position, the heat released from the heat dissipation path of the heat radiating part of the lamp can be released well from the through hole of the support, so that the heat generated in the light source part of the lamp can be reduced. It can be discharged well, and the power consumption of the lighting fixture can be reduced and the luminance can be increased.

The top view (a) which shows a lighting fixture, a front view (b), a front fragmentary sectional view (c). The top view (a) which shows an electric lamp, a front view (b), and front exploded explanatory drawing (c). The top view (a) and front view (b) which show the holding | maintenance part of an electric lamp. The top view (a) and partial front view (b) which show the light source part of an electric lamp. The top view (a) and front view (b) which show the thermal radiation part of an electric lamp.

  Below, the specific structure of the lighting fixture which concerns on this invention, and the electric lamp used for it is demonstrated, referring drawings.

  As shown in FIG. 1, the lighting fixture 1 attaches the lower end portion of the support body 3 to the upper end portion of the reflector 2 and adjusts the upper position of the lamp 5 to the upper end portion of the support body 3 via the fixture 4. The reflector 2 and the electric lamp 5 are supported by the support 3 so that they can be attached. In the following description, it is assumed that the luminaire 1 is attached to a ceiling or the like and is used in a state of irradiating light downward from the electric lamp 5, but the luminaire 1 according to the present invention or The electric lamp 5 may be used in a state where it is attached to a wall or the like so as to irradiate the side, or may be used in a state where it is attached to a floor or the like and irradiates upward.

  The reflector 2 has a downward-facing saddle shape, with openings 6 and 7 formed at the upper and lower ends, and a reflecting surface 8 that reflects and diffuses light on the inner surface. An electric lamp 5 is inserted into the opening 6 at the upper end so as to be movable up and down. From the opening 7 at the lower end, the light emitted from the electric lamp 5 is irradiated downward. The reflecting surface 8 has a shape in which the range in which light diffuses (the range in which light is irradiated) is widened and narrowed according to the vertical position of the lamp 5. Here, the lower the position of the lamp 5 is, the more light is irradiated. The shape expands the range.

  The support body 3 is provided with an annular plate-shaped seat body 9 that supports the fixture 4 at the upper end, and an annular plate-shaped seat body 10 that supports the reflector 2 at the lower end. Four struts 11 are provided between the ten struts 10, and eight circular bars 12 are provided on the four struts 11 at intervals in the vertical direction. Thus, a plurality (36) of through holes 13 penetrating from the inside to the outside are formed in the support 3. Inside the upper and lower seats 9, 10, an electric lamp 5 is inserted so as to be movable up and down.

  The fixture 4 is detachably attached to the upper part of the electric lamp 5 and is supported on the upper surface of the seat 9 at the upper end of the support 3. The vertical position of the electric lamp 5 can be adjusted by changing the position where the fixture 4 is attached to the electric lamp 5 up and down. In addition, although it is set as the structure fastened detachably using a volt | bolt and a nut in the state which clamped the upper part of the electric lamp 5 with two boards here, it is not restricted to this, The support body 3 and the electric lamp 5 are attached. Any configuration can be used.

  As shown in FIG. 2, the electric lamp 5 includes a holding unit 14 that holds the electric lamp 5 and a light source unit 15 that emits light, and is generated in the light source unit 15 between the holding unit 14 and the light source unit 15. The heat dissipating part 16 for releasing the heat is arranged. Here, the holding unit 14, the light source unit 15, and the heat radiation unit 16 are formed separately and integrated with a fastener 17 such as a screw. However, the present invention is not limited to this, and the whole is integrally formed. Alternatively, the holding unit 14 and the light source unit 15 or the light source unit 15 and the heat radiating unit 16 may be integrally formed.

  As shown in FIG. 3, the holding portion 14 forms a disk-shaped seat 19 at the lower end of a columnar body 18 that extends vertically. The main body 18 is provided with a display 20 indicating the mounting position on the front surface, and the mounting tool 4 can be easily mounted with reference to the display 20. Here, a plurality of horizontal lines are engraved at intervals in the vertical direction so that the vertical mounting positions can be easily adjusted. A through hole 21 through which the fastener 17 is inserted is formed in the seat body 19. The holding unit 14 may be any as long as it can hold the electric lamp 5, and may be a cap-type that is found in an incandescent light bulb or the like.

  As shown in FIG. 4, the light source unit 15 has a connecting body 23 attached to the upper end portion of the light bulb 22. The light bulb 22 is formed of hollow transparent glass (not limited to being colorless and transparent but may be colored and transparent) containing a light source, and the shape is not limited. The connecting body 23 supports a light source accommodated in the light bulb 22, and may be provided with an electric wire or an electrode for connecting an electric circuit such as a ballast and the light source. The shape of the connecting body 23 is not limited, but here, fins 24 that protrude radially in the radial direction on the outer peripheral surface of the cylindrical connecting body 23 are formed at intervals in the circumferential direction. Therefore, it has a shape that can dissipate heat. A fastening hole 25 for detachably attaching (fastening) the fastener 17 is formed on the upper surface of the connecting body 23.

  As shown in FIG. 5, the heat dissipating part 16 has a plurality of columnar fins 27 extending vertically on the upper surface of a disk-like base 26 in a lattice arrangement with equal intervals in the front-rear and left-right directions. Provided. In this way, the heat dissipating part 16 has a plurality of fins 27 on the base 26 arranged at intervals in the front-rear and left-right directions, so that a plurality of heat dissipating paths 28 penetrating in the front-rear direction and a plurality of heat dissipating paths penetrating in the left-right direction 29 and form. Note that a heat radiation path is also formed in the heat radiation portion 16 radially from the center of the heat radiation portion 16 (base 26) toward the outer periphery (radial direction). A through hole 30 for inserting the fastener 17 is formed in the base 26.

  The heat radiating part 16 is clamped between the lower surface of the seat body 19 of the holding part 14 and the upper surface of the coupling body 23 of the light source part 15 by the fastener 17. When the lamp 5 is turned on, the heat generated by the light source of the light source unit 15 is transmitted to the heat radiating unit 16 through the connecting body 23 and is released from the fins 27 of the heat radiating unit 16. The heat is also released from the surfaces of the fins 24 of the coupling body 23 of the light source unit 15 and the base 26 of the heat dissipation unit 16. At this time, since the fins 27 of the heat radiating portion 16 have a cylindrical shape, heat is evenly emitted radially around the fins 27. Heat is released as it is from the fins 27 provided on the outside of the base 26, but from the fins 27 provided on the inside of the base 26, heat is passed through the heat radiation paths 28 and 29 that penetrate the front, rear, left and right. It is discharged outward through. The heat released from the heat radiating portion 16 is released to the outside from the through hole 13 formed in the support 3. Therefore, it is desirable that the support body 3 is provided with a through hole 13 at a position corresponding to the heat radiating portion 16, and in particular, a through hole 13 is provided at a position corresponding to (opposite) the heat radiating paths 28 and 29 of the heat radiating portion 16. It is preferable.

  As described above, the electric lamp 5 includes the holding unit 14 that holds the electric lamp 5 and the light source unit 15 that emits light arranged vertically, and the light source unit 15 is interposed between the holding unit 14 and the light source unit 15. The heat dissipating part 16 for releasing the generated heat is arranged, and the heat dissipating part 16 has a heat dissipating path 29 penetrating left and right.

  Therefore, in the electric lamp 5 having the above-described configuration, it is possible to increase the area for radiating heat in the heat radiating portion 16, smooth the flow of heat, and radiate the heat generated in the light source portion 15 satisfactorily. . Thereby, in the electric light 5 of the said structure, reduction of power consumption and increase of a brightness | luminance can be aimed at.

  Further, the electric lamp 5 has a configuration in which a heat dissipation path 28 penetrating in the front-rear direction is also provided in the heat dissipation portion 16.

  Therefore, in the electric lamp 5 having the above-described configuration, it is possible to further increase the area to dissipate heat and smooth the heat flow, and to further reduce power consumption and increase luminance.

  Moreover, the said lighting fixture 1 becomes a structure which has the electric lamp 5, the reflector 2, and the support body 3 which supports the electric lamp 5 and the reflector 2, and the support body 3 is the heat dissipation formed in the said electric lamp 5. The through hole 13 is provided at a position corresponding to the path 29.

  Therefore, in the luminaire 1 having the above-described configuration, the heat released from the heat radiation path 29 of the heat radiating portion 16 of the lamp 5 can be favorably released from the through hole 13 of the support 3. The generated heat can be released well, and power consumption can be reduced and luminance can be increased.

DESCRIPTION OF SYMBOLS 1 Lighting fixture 2 Reflecting umbrella 3 Support body 4 Mounting tool 5 Electric light 6,7 Opening 8 Reflecting surface 9,10 Seat
11 struts 12
13 Through hole 14 Holding part
15 Light source 16 Heat sink
17 Fastener 18 Body
19 Seat 20 Display
21 Through hole 22 Light bulb
23 Linkage 24 Fin
25 Fastening hole 26 Base
27 Fin 28, 29 Heat dissipation path
30 Through hole

Claims (3)

In an electric lamp in which a holding part for holding an electric lamp and a light source part for emitting light are arranged up and down, and a heat radiating part for releasing heat generated in the light source part is arranged between the holding part and the light source part.
The heat radiation part has a heat radiation path penetrating left and right.   The lamp according to claim 1, wherein the heat dissipating part also has a heat dissipating path penetrating in the front-rear direction. In a lighting fixture having an electric lamp, a reflector, and a support that supports the lamp and the reflector,
An electric lamp has a holding part for holding an electric lamp and a light source part for emitting light arranged vertically, and a heat radiating part for releasing heat generated by the light source part is arranged between the holding part and the light source part, and the heat radiating part is provided. Form a heat dissipation path that penetrates to the left and right,
The support is provided with a through hole at a position corresponding to a heat radiation path formed in an electric lamp.

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