JP2001307510A - Recessed lighting fixture - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a recessed lighting fixture which enables to maintain high fixture efficiency even when an electric discharge lamp is replaced, and to control the shielding angle easily. SOLUTION: This is a recessed lighting fixture which has an electric discharge lamp 1 and a reflecting mirror 3 that encloses the lamp 1 and enables to control light on a different rated lamp 1 other than the lamp 1. The fixture can vary the relative positional relation between the lamp 1 and the mirror 3 according to the rating of the quipped lamp 1.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a recessed lighting device, and more particularly, to a recessed lighting device useful for being embedded in a ceiling or a wall of a building. .

[0002]

2. Description of the Related Art As a conventional recessed luminaire, for example, a discharge lamp having a discharge lamp and a reflector surrounding the discharge lamp and controlling the light distribution, the discharge lamp having a different rating from the discharge lamp is used. It is known that lighting control is possible, and one lighting fixture can replace and use discharge lamps having different ratings.

[0003]

However, in such an embedded lighting device, when the discharge lamp is replaced with another discharge lamp having a different rating, the discharge lamp having a rating different from that described above is turned on. Although controllable, the difference in discharge lamp length often results in poor fixture efficiency and often changes in light blocking angle.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-described facts, and has as its object to maintain the efficiency of the apparatus even when the discharge lamp is changed, and to easily reduce the light shielding angle. An object of the present invention is to provide an embedded lighting device that can be controlled.

[0005]

According to a first aspect of the present invention, there is provided a recessed lighting device comprising: a discharge lamp (1); and a reflector (3) for controlling light distribution around the discharge lamp (1). And having
In an embedded lighting device in which lighting of a discharge lamp (1) having a rating different from that of the discharge lamp (1) can be controlled, the discharge lamp (1) corresponds to the rating of the discharge lamp (1) to be mounted. And a relative positional relationship between the reflecting mirror and the reflecting mirror is variable.

[0006] A recessed lighting device according to a second aspect of the present invention is characterized in that the discharge lamp (1) is a downlight (4) which is a single base discharge lamp.

According to a third aspect of the present invention, there is provided a recessed type lighting apparatus characterized in that the reflector (3) changes according to the rating of the discharge lamp (1).

According to a fourth aspect of the present invention, there is provided an embedded lighting apparatus, wherein the reflector (3) expands and contracts in a length direction of the discharge lamp (1), whereby a rating of the discharge lamp (1) is obtained. It is characterized in that it corresponds to

According to a fifth aspect of the present invention, there is provided an embedded lighting apparatus, wherein the discharge lamp (1) is vertically arranged, and the entire length of the reflecting mirror (3) is in the longitudinal direction of the discharge lamp (1). It is characterized by expanding and contracting.

According to a sixth aspect of the present invention, in the recessed lighting device, the discharge lamp (1) is arranged horizontally, and the reflecting mirror (3) is a portion where the tip of the discharge lamp (1) faces. And can be projected outward.

According to a seventh aspect of the present invention, there is provided the recessed lighting device, wherein the mounting position of the discharge lamp (1) changes according to the rating of the discharge lamp (1). I do.

[0012] In a recessed lighting device according to an eighth aspect of the present invention, the discharge lamp (1) is vertically arranged, and the discharge lamp (1) is provided.
Is characterized by being variable in accordance with the rating of the discharge lamp (1).

According to a ninth aspect of the present invention, the discharge lamp (1) is disposed laterally and mounted at a position lateral to the reflecting mirror (3). According to the rating of (1), the distal end of the discharge lamp (1) can be attached to an inclined position so as to be located inside the reflecting mirror (3).

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to the drawings according to embodiments.

FIGS. 1A to 1C are cross-sectional views showing a recessed lighting apparatus according to a first embodiment of the present invention. FIG. 2 is a perspective view showing the recessed lighting device according to the first embodiment of the present invention. FIG. 3 is a perspective view of only a main part showing an embedded lighting device according to a second embodiment of the present invention. FIG. 4 is a cross-sectional view showing an embedded lighting device according to a third embodiment of the present invention. FIG. 5 is a sectional view showing an embedded lighting device according to a fourth embodiment of the present invention. (A) and (b) of FIG. 6 are cross-sectional views showing an embedded lighting device according to a fifth embodiment of the present invention. FIGS. 7A and 7B are cross-sectional views each showing a recessed lighting device according to a sixth embodiment of the present invention. FIGS. 8A and 8B are cross-sectional views of only main parts of the embodiment shown in FIG.

FIG. 9 is a cross-sectional view showing only a main part of a reflector of an embedded lighting device according to a seventh embodiment of the present invention. FIG. 10 is a cross-sectional view showing a state in which the reflector is folded in the reflector of the recessed lighting device of FIG. 9. (A) and (b) of FIG. 11 are cross-sectional views showing an embedded lighting device according to an eighth embodiment of the present invention. FIG. 12 is a cross-sectional view showing a state before and after construction of the reflector according to one embodiment in the reflector of the recessed lighting device of FIG. 11. FIG. 13 is a cross-sectional view showing a state before and after construction of the reflector according to another embodiment in the reflector of the recessed lighting device of FIG. 11. 14A and 14B are cross-sectional views each showing an embedded lighting device according to a ninth embodiment of the present invention. (A) and (b) of FIG. 15 are cross-sectional views showing an embedded lighting device according to a tenth embodiment of the present invention.

FIG. 16 is a sectional view showing an embedded lighting device according to an eleventh embodiment of the present invention. FIG.
FIG. 7 is a sectional view showing only a main part of the recessed lighting device of FIG. FIG. 18 is a perspective view showing only the main part on the socket side of the recessed lighting device of FIG. FIG. 19 shows FIG.
FIG. 3 is a perspective view showing only a reflecting mirror side main part of the embedded lighting device of FIG. FIG. 20 is a cross-sectional view showing only a main part of a recessed lighting device according to a twelfth embodiment of the present invention. FIG.
FIG. 21 is a perspective view showing only a socket-side main part of the recessed lighting device of FIG. 20. FIG. 22 is a perspective view showing only the reflector-side main part of the recessed lighting apparatus of FIG.

FIG. 23A shows the first embodiment of the present invention.
FIG. 23 is a perspective view showing only a main part on the socket side of the recessed lighting device according to the third embodiment, and FIG.
FIG. 3A is a perspective view showing only a main part on the reflector side of the embedded lighting device of FIG. FIG. 24A is a perspective view showing only a main part on the socket side of a recessed lighting device according to a fourteenth embodiment of the present invention, and FIG. It is the perspective view which showed only the reflecting mirror side main part of the embedded lighting fixture of a). FIGS. 25A and 25B are cross-sectional views each showing an embedded lighting device according to a fifteenth embodiment of the present invention. FIGS. 26A and 26B are cross-sectional views each showing an embedded lighting device according to a sixteenth embodiment of the present invention. FIG. 27 is a perspective view showing only a main part of the recessed lighting device of FIG.

As shown in FIGS. 1 to 27, the recessed lighting apparatus of the present invention is useful for being used by being embedded in a ceiling (9) of a building or other walls.
It has a discharge lamp (1) and a reflector (3) for controlling the light distribution surrounding the discharge lamp (1), so that the discharge lamp (1) having a rating different from that of the discharge lamp (1) is controlled. In a possible embedded lighting fixture, the relative positional relationship between the discharge lamp (1) and the reflector (3) is variable in accordance with the rating of the discharge lamp (1) to be mounted. It is.

As the discharge lamp (1), not only those shown in FIGS. 1, 4 and 5, but also various other forms and shapes can be used. It is not limited. Also,
The quantity and size of the discharge lamps (1) are also set freely according to the lighting equipment used.

In particular, as shown in FIG. 1, FIG. 4 and FIG. 5, when the discharge lamp (1) is a downlight (4) which is a single-cap discharge lamp, the downlight (1) which is a single-cap discharge lamp A desired location can be effectively illuminated by the discharge lamp (1), which is 4). As a result, the efficiency of the appliance can be maintained reliably and the light-shielding angle can be controlled simply and reliably. Can be done.

As shown in FIGS. 1, 4 and 5, etc., the reflecting mirror (3) controls the light distribution around the discharge lamp (1). The material and the shape of the reflecting mirror (3) are not different from those usually used, and various ones can be freely selected and used.

In the recessed lighting device of the present invention, the discharge lamp (1) whose rating is different from that of the discharge lamp (1) can be controlled to be turned on. For example, (a) to (c) of FIG. ), The relative positional relationship between the discharge lamp (1) and the reflector (3) is made variable in accordance with the rating of the discharge lamp (1) to be mounted. In addition to the discharge lamp (1) and the reflecting mirror (3), for example, a ballast (2) to which the ballast (2) and the discharge lamp (1) are attached is provided.

According to the present invention, by adopting such a configuration, the relative positional relationship between the discharge lamp (1) and the reflector (3) is variable, so that the discharge lamp (1) having a different rating can be used. By moving the reflecting mirror (3), it is possible to set the discharge lamps (1) having different ratings at the positions where the appliance efficiency is maximized, and also to set the target angle at the light shielding angle. When packing, use a reflector (3)
Is preferable because it can be made smaller by separating them.

That is, according to the present invention, even when the discharge lamp (1) having a different length or the like is used, the efficiency of the appliance can be maintained well and the light shielding angle can be easily controlled.

More specifically, in the case shown in FIG. 1, the reflecting mirror (3) is divided into two upper and lower mirrors.
The relative positional relationship between the discharge lamp (1) and the reflecting mirror (3) is made variable by sliding the two reflecting mirrors (3). That is, by sliding the two reflecting mirrors (3), the height of the entire reflecting mirror (3) can be changed as shown in FIGS. 1 (a) to 1 (c).

Then, as shown in FIG. 2, a yoke (6) is formed so that the two reflecting mirrors (3) can slide between each other, and a plurality of yokes (6) are provided at appropriate intervals. By providing the holes, the holes are fixed to each other with screws (7), so that a hole at a desired position is selected at the time of mounting, and the height of the entire reflecting mirror (3) is adjusted as necessary. It can be changed.

In the case shown in FIG. 3, a long hole is formed between the yokes (6), and the yoke (6) can be fixed without releasing the screw (7). Things. However, since the holding force is weak, a spring body (8) is inserted between the yokes (6). The spring body (8) shown in FIG. 3 is a coil spring, but may be a spring washer or a corrugated spring.

In the case shown in FIG. 4, a spring (10) that can be held in several stages is provided,
With this spring (10), the mounting height of the upper reflecting mirror (3) can be adjusted. As a result, the height of the entire reflecting mirror (3) can be changed as necessary. You can do it. In such a structure, the height of the entire reflecting mirror (3) can be adjusted even when the lower reflecting mirror (3) is attached to the ceiling (9).

In the case shown in FIG. 5, of the above-mentioned reflecting mirror (3), a stepped portion and a mountain-shaped portion on the outer surface of the upper reflecting mirror (3a) are finely and substantially continuously formed at different heights. In addition to a plurality of parts, the lower reflecting mirror (3b) is provided with a portion utilizing elasticity of a resin or a spring, which is provided on the tip of the lower reflecting mirror (3b). The mounting position of the upper reflecting mirror (3a) is selected. Thus, the tip of the lower reflecting mirror (3b) can be fitted and held at the selected mounting position.

In the case shown in FIG. 6, the discharge lamp (1) is a horizontal one, and a part of the reflecting mirror (3) has a movable part (3c). (3c) is retracted as shown in FIG. 6 (a), and after the construction, the discharge lamp is extended outside as shown in FIG. 6 (b) and cannot enter before the construction. (1) can be attached. As a result, even if the discharge lamp (1) is changed, the appliance efficiency can be maintained well and the light-shielding angle can be easily controlled.

As shown in FIGS. 7 to 10, if the reflecting mirror (3) changes in accordance with the rating of the discharge lamp (1), it corresponds to the rating of the discharge lamp (1). Then, even if the changing reflector (3) is changed to the same discharge lamp (1) having a different length or the like, the reflector (3) responds smoothly to the discharge lamp (1) and the appliance efficiency is improved. Can be maintained reliably and the light blocking angle can be easily and reliably controlled.

Specifically, as shown in FIGS. 7A and 7B, a plurality of bendable portions (3d) are provided on the reflecting mirror (3), and these bendable portions (3d) are provided. The reflector (3) can be extended and contracted as shown in FIGS. 7 (a) and 7 (b), and the reflector (3) can be expanded and contracted in accordance with the rating of the discharge lamp (1). (3) changes. The bendable portion (3d) may be simply formed in a thin shape as shown in FIG. 8A, or may be formed of a rubber body as shown in FIG. 8B. It may be what was done. When it is formed of a rubber body, both sides thereof are formed of resin or sheet metal.

In particular, as shown in FIGS. 7 to 10, the reflecting mirror (3) expands and contracts in the length direction of the discharge lamp (1) to correspond to the rating of the discharge lamp (1). , A reflecting mirror (3) that expands and contracts in the length direction of the discharge lamp (1)
The reflector (3) can smoothly respond to the discharge lamp (1) even if it is changed to the same discharge lamp (1) having a different length, so that the appliance efficiency can be reliably and well maintained. The light shielding angle can be easily and reliably controlled.

Then, as shown in FIGS. 7 to 10,
If the discharge lamp (1) is vertically arranged and the entire length of the reflecting mirror (3) expands and contracts in the length direction of the discharge lamp (1), the discharge lamp (1) having the entire length arranged vertically Even if the reflector (3) that expands and contracts in the length direction is changed to the same discharge lamp (1) having a different length, the reflector (3) smoothly responds to the discharge lamp (1), Efficiency can be reliably maintained, and the light shielding angle can be easily and reliably controlled.

More specifically, as shown in FIGS. 9 and 10, the reflecting mirror (3) is divided into several pieces in a ring shape, and the reflecting mirror (3) has a structure that can slide with respect to each other. The overall length of (3) expands and contracts in the length direction of the discharge lamp (1). When the reflecting mirrors (3) are folded, they can be completed by sliding each other in the direction indicated by the arrow A in FIG.

As shown in FIGS. 11 to 15,
The discharge lamp (1) is arranged horizontally and the reflector (3)
However, when the discharge lamp (1) is configured to be able to protrude outward at a portion where the tip of the discharge lamp (1) faces, the horizontally disposed discharge lamp (1)
Even if it is changed to the same discharge lamp (1) with different length etc. by the reflecting mirror (3) which can protrude outward at the part where the tip of
The reflecting mirror (3) smoothly responds to the discharge lamp (1), and can maintain the appliance efficiency well and can control the light shielding angle simply and reliably. Moreover, it is possible to use discharge lamps (1) having the same embedded diameter and different lengths.
It is possible to obtain the smallest buried diameter by taking advantage of the luminous efficiency.

Specifically, FIGS. 11 (a) and (b)
As shown in (1), the discharge lamp (1) is a horizontal one, and a deformable part (3e) is provided at a part of the reflecting mirror (3) at the tip of the discharge lamp (1). ,
At the time of construction, the deformable portion (3e) is dented inward as shown by the dotted line in FIG. 11A, FIG. 12 or the dotted line in FIG. As shown in FIG. 11B, the solid line in FIG. 12, or the solid line in FIG. In this way, the discharge lamps (1) having different lengths can be more compactly housed in a lighting fixture having the same opening. That is, even if the discharge lamp (1) is changed in length or the like, the reflecting mirror (3) can smoothly correspond to the discharge lamp (1), and can maintain the appliance efficiency well and can shield light. The angle can be controlled simply and reliably. In addition, in the case shown in FIG. 12, it moves as shown by arrow B, and although the difference before and after the construction is large, the top and bottom are open. In the case shown in FIG. Although the change before and after cannot be made large, it can be sealed.

In the case shown in FIGS. 14 (a) and 14 (b), the rubber material (3f) which is a part of the reflector (3) has a hinge (11). Plate (1
At the time of construction, the rubber-based material (3f) or the plate (12) as shown in FIG. 14A is laid down inward, and after construction, the construction is changed to FIG. 14B. As shown, the plate (12) is pushed upward to produce the rubber-based material (3f).
Is fixed so as to be pulled outward, so that the reflecting mirror (3) can protrude outward at a portion where the tip of the discharge lamp (1) faces.

In the case shown in FIGS. 15A and 15B, the shape memory plate (13) is attached to the rubber-based material (3f) which is a part of the reflecting mirror (3). At the time of construction, the rubber-based material (3) as shown in FIG.
f) or the shape memory plate (13) is tilted inward, and heat is applied even when there is no load by connecting a connector or the like when the power is turned on after construction, or a low-wattage temporary light source is inserted.
By applying heat, the shape memory plate (13) as shown in FIG. 15B is pushed upward, and the rubber-based material (3f) is stabilized so as to be pulled outward, so that the reflecting mirror is formed. (3) is a portion in which the distal end of the discharge lamp (1) is opposed to and can protrude outward.

As shown in FIGS. 16 to 24,
When the mounting position of the discharge lamp (1) changes according to the rating of the discharge lamp (1), the length of the discharge lamp (1) whose mounting position changes according to the rating is changed. Even if the discharge lamp (1) is changed to a different one, the reflecting mirror (3) responds smoothly to the discharge lamp (1), and it is possible to reliably maintain the appliance efficiency well and to simplify the light shielding angle. , And can be reliably controlled.

In particular, as shown in FIGS.
If the discharge lamp (1) is vertically arranged and the mounting position of the discharge lamp (1) is variable according to the rating of the discharge lamp (1), the mounting position corresponds to the rating. Then, even if the discharge lamps (1) arranged vertically are changed to the same discharge lamps (1) having different lengths, the reflecting mirror (3) smoothly responds to the discharge lamp (1). As a result, it is possible to reliably maintain the efficiency of the device, and to easily and reliably control the light shielding angle.

Specifically, the mounting of the socket (5) as shown in FIG. 16 can be mounted or changed on site by selecting the length of the discharge lamp (1) and the light shielding angle. 5) The structure has a structure in which the mounting position can be changed in the mounting state of the appliance. The electrical components such as the reflecting mirror (3), the ballast (2), and the terminal block are fixed in such an instrument structure, and the socket (5) and the main body (15) are located in the socket. (5)
And a margin for the lead wire (14).

As shown in FIGS. 17 to 19, the socket (5) is elastically formed on the reflecting mirror (3) and has a projection (1) for locking the socket (5).
7), and the projection (1) is provided on the socket (5).
7) is provided with a recess (16). By providing the guide portion (18) as shown in FIG. 18, it is possible to secure the mounting strength of the socket (5), particularly the lateral runout. FIG.
If a fall prevention portion (19) for preventing the socket (5) from falling as shown in (1) is provided, the fall prevention portion (19) can cope with a mounting failure of the socket (5). is there.

In the case shown in FIGS. 20 to 22, the mounting of the socket (5) can be mounted or changed on site by selecting the length of the discharge lamp (1) and the light shielding angle. It has a structure in which the mounting position of the socket (5) can be changed while the appliance is mounted.
The electrical components such as the reflecting mirror (3), the ballast (2), and the terminal block are fixed in such an instrument structure, and the socket (5) and the main body (15) are located in the socket. (5) There is a margin for the movement amount and the lead wire (14). The reflecting mirror (3) is provided with a spring portion (20), and the recess (16) to which the spring portion (20) is hooked is provided in the socket (5). ) And the spring part (2
The engagement of the socket (5) completes the engagement of the socket (5).

In the case shown in FIGS. 23A and 23B, the mounting of the socket (5) can be mounted or changed on site by selecting the length of the discharge lamp (1) and the light shielding angle. It has a structure in which the mounting position of the socket (5) can be changed while the appliance is mounted. The electrical components such as the reflecting mirror (3), the ballast (2), and the terminal block are fixed in such an instrument structure, and the socket (5) and the main body (15) are located in the socket. (5) Movement and lead (1)
4) has the margin. A plurality of grooves (22) that match the ribs (21) of the socket (5) as shown in (a) of FIG. 23 are formed on the reflecting mirror (3) side as shown in (b) of FIG. , One of which is open and the other is closed. The method of locking the socket (5) is as follows.
It is completed by being inserted into. The open portion has a projection or the like, and is provided with a retaining portion. The rib (21) of the socket (5) is preferable because it has a thin tip at the time of being inserted into the groove (22), and a shape with a wide open end is easily entered and hard to come off.

In the case shown in FIGS. 24A and 24B, it is possible to mount or change the mounting of the socket (5) on site by selecting the length of the discharge lamp (1) and the light shielding angle. It has a structure in which the mounting position of the socket (5) can be changed while the appliance is mounted. The electrical components such as the reflecting mirror (3), the ballast (2), and the terminal block are fixed in such an instrument structure, and the socket (5) and the main body (15) are located in the socket. (5) Movement and lead (1)
4) has the margin. The socket (5) as shown in FIG. 24 (a) is provided with a mounting portion (23), and as shown in FIG. 24 (b), the mounting portion (23) is formed on the reflecting mirror (3). 23) is provided with a mounting piece (24) to be attached so as to wrap around (23). The locking method of the socket (5) is completed by fitting and fixing the mounting portion (23) to the mounting piece (24). Further, the mounting portion (23) and the mounting piece (24) are provided with mounting holes, and the holes are aligned with the screw (7) as shown in FIG. It can be stopped.

Further, as shown in FIG. 25 to FIG. 27, the discharge lamp (1) is arranged laterally and mounted at the side position of the reflecting mirror (3), and the rating of the discharge lamp (1) is satisfied. Correspondingly, if the tip of the discharge lamp (1) can be attached to the inclined position so as to be located inside the reflecting mirror (3), the tip is reflected in accordance with the rating. Even if the discharge lamp (1) which can be attached to the inclined position so as to be located inside the mirror (3) is changed to the same discharge lamp (1) having a different length or the like, the reflecting mirror (3) emits the light. In addition to smoothly supporting the electric light (1), it is possible to reliably maintain the appliance efficiency well and to control the light-shielding angle simply and reliably.

Specifically, FIGS. 25 (a) and (b)
As shown in FIG. 2, the discharge lamp (1) is provided sideways, and a hinge part (25) is provided at a place where an electric component such as a socket (5) and a reflecting mirror (3) are locked. 25) is appropriately rotated about the axis. When the length of the discharge lamp (1) is short, the socket (5) can be used with the socket (5) being substantially horizontal as shown in FIG. If the length is long, the socket (5) can be used with the socket (5) obliquely oriented as shown in FIG. 25 (b).

FIGS. 26A and 26B and FIG.
In the case shown in FIG. 7, the slit (28) is provided in the mounting portion (27) to which the reflecting mirror (3) is mounted, and the electric power provided with the ballast (2) and the socket (5) is provided. The part and the mounting portion (27) of the reflecting mirror (3) are locked and fixed by an insertion screw via a slit (28), and the hinge part (25) is almost similar to the case shown in FIG. Instead, a mounting shaft (26) is provided at the portion where the locking and fixing is performed, and the mounting shaft (26) is rotated as appropriate. When the length of the discharge lamp (1) is short, the socket (5) can be used with the socket (5) being substantially horizontal as shown in FIG. If the length is long, the socket (5) can be used with the socket (5) inclined as shown in FIG. 26 (b).

According to the recessed illuminating device according to the present invention, as shown in FIGS. 1 to 27, the discharge lamp (1) and the reflecting mirror (3) for controlling light distribution by surrounding the discharge lamp (1). Wherein the lighting of the discharge lamp (1) having a rating different from that of the discharge lamp (1) is controllable.
The relative positional relationship between the discharge lamp (1) and the reflecting mirror (3) is variable according to the rating of the discharge lamp (1) to be mounted. Since the relative positional relationship with the reflector (3) is variable, the reflector (3) is moved with respect to the discharge lamp (1) having a different rating, and the appliance efficiency is improved with the discharge lamp (1) having a different rating. Can be set at the position where it is best, and the target angle can be set at the light blocking angle. In packaging, it is preferable that the reflector (3) can be separated or reduced in size.

That is, according to the present invention, even if the discharge lamp (1) having a different length or the like is used, it is possible to maintain the appliance efficiency and to easily control the light shielding angle.

[0053]

According to the recessed lighting device of the first aspect of the present invention, since the relative positional relationship between the discharge lamp (1) and the reflector (3) is variable, the discharge lamps ( In contrast to 1), the reflecting mirror (3) is moved, and the discharge lamps (1) having different ratings can be set at positions where the appliance efficiency is maximized, and the target angle can be set at the light shielding angle. Things. In packaging, it is preferable that the reflector (3) can be separated or reduced in size.

That is, according to the present invention, even if the discharge lamp (1) having a different length or the like is used, it is possible to maintain the appliance efficiency and to easily control the light shielding angle.

According to the recessed type lighting apparatus of the second aspect of the present invention, in addition to the case of the first aspect, the discharge lamp (1) which is the downlight (4) which is a single-cap discharge lamp is provided. A desired portion can be effectively illuminated, and as a result, the efficiency of the device can be reliably and well maintained, and the light-shielding angle can be simply and reliably controlled.

According to the recessed lighting device of the third aspect of the present invention, in addition to the case of the first or second aspect,
According to the rating of the discharge lamp (1), even if this changing reflector (3) is changed to the same discharge lamp (1) having a different length,
The reflecting mirror (3) smoothly responds to the discharge lamp (1), and can maintain the appliance efficiency well and can control the light shielding angle simply and reliably.

According to the recessed lighting device of the fourth aspect of the present invention, in addition to the case of the third aspect, the length of the discharge lamp (1) is extended by the reflecting mirror (3) which expands and contracts in the longitudinal direction. Even if the discharge lamp (1) is changed to a different one, the reflecting mirror (3) responds smoothly to the discharge lamp (1), and it is possible to reliably maintain the appliance efficiency well and to simplify the light shielding angle. , And can be reliably controlled.

According to a fifth aspect of the present invention, in addition to the fourth aspect, in addition to the fourth aspect, the reflector (1), which extends and contracts in the longitudinal direction of the discharge lamp (1) having a vertical length. Even if the discharge lamp (1) having a different length or the like is used in (3), the reflector (3) smoothly responds to the discharge lamp (1), and the appliance efficiency can be reliably maintained. At the same time, the light shielding angle can be controlled simply and reliably.

According to the recessed lighting device of the sixth aspect of the present invention, in addition to the fourth aspect, the distal end of the horizontally arranged discharge lamp (1) can protrude outward at a portion where the distal end faces the discharge lamp. Even if the reflector (3) is changed to the same discharge lamp (1) with a different length etc., the reflector (3) responds smoothly to the discharge lamp (1) and ensures the appliance efficiency. In addition to being able to maintain well, the light shielding angle can be controlled simply and reliably. In addition, discharge lamps (1) having the same embedment diameter and different lengths can be used, and the smallest embedment diameter can be obtained by utilizing the luminous efficiency of the discharge lamp (1).

According to the embedded lighting device of the seventh aspect of the present invention, in addition to the case of the first or second aspect,
Even if the discharge lamp (1) whose mounting position changes according to the rating is changed to the same discharge lamp (1) with a different length etc., the reflector (3) smoothly responds to the discharge lamp (1) As a result, it is possible to reliably maintain the efficiency of the device, and to easily and reliably control the light shielding angle.

According to the embedded lighting apparatus of the eighth aspect of the present invention, in addition to the case of the seventh aspect, the vertically arranged discharge lamp (1) whose mounting position is variable in accordance with the rating. )), The reflector (3) can smoothly respond to the discharge lamp (1) even if it is changed to the same discharge lamp (1) having a different length, etc., and the appliance efficiency can be reliably and well maintained. In addition, the light shielding angle can be easily and reliably controlled.

According to the illuminated luminaire according to the ninth aspect of the present invention, in addition to the case of the seventh aspect, the tip is positioned inside the reflecting mirror (3) according to the rating. Even if the discharge lamp (1) that can be attached to the inclined position is changed to the same discharge lamp (1) having a different length, the reflecting mirror (3) smoothly responds to the discharge lamp (1). In addition to being able to reliably maintain the efficiency of the instrument,
And it can be controlled reliably.

[Brief description of the drawings]

FIGS. 1A to 1C are cross-sectional views each showing an embedded lighting device according to a first embodiment of the present invention.

FIG. 2 is a perspective view showing the recessed lighting device according to the first embodiment of the present invention.

FIG. 3 is a perspective view of only a main part showing an embedded lighting device according to a second embodiment of the present invention.

FIG. 4 is a cross-sectional view showing a recessed lighting device according to a third embodiment of the present invention.

FIG. 5 is a cross-sectional view illustrating a recessed lighting device according to a fourth embodiment of the present invention.

FIGS. 6 (a) and (b) show the fifth embodiment of the present invention.
It is sectional drawing which showed the embedded type lighting fixture which concerns on embodiment.

FIGS. 7 (a) and (b) show the sixth embodiment of the present invention.
It is sectional drawing which showed the embedded type lighting fixture which concerns on embodiment.

FIGS. 8A and 8B are cross-sectional views of only main parts of the embodiment shown in FIG. 7;

FIG. 9 is a cross-sectional view showing only a main part of a reflector of an embedded lighting device according to a seventh embodiment of the present invention.

FIG. 10 is a cross-sectional view showing a state where the reflector is folded in the reflector of the recessed lighting device of FIG. 9;

FIGS. 11A and 11B are cross-sectional views each showing an embedded lighting device according to an eighth embodiment of the present invention.

FIG. 12 shows the reflector of the embedded lighting device of FIG.
It is sectional drawing which showed the appearance before and after the construction of the same reflector which concerns on one Example.

FIG. 13 shows a reflection mirror of the embedded lighting device of FIG.
It is sectional drawing which showed the appearance before and after the construction of the same reflecting mirror which concerns on another Example.

FIGS. 14 (a) and (b) are cross-sectional views showing a recessed lighting device according to a ninth embodiment of the present invention.

FIGS. 15 (a) and (b) are cross-sectional views showing a recessed lighting device according to a tenth embodiment of the present invention.

FIG. 16 is a sectional view showing an embedded lighting device according to an eleventh embodiment of the present invention.

17 is a cross-sectional view showing only a main part of the recessed lighting device of FIG.

18 is a perspective view showing only a main part on the socket side of the recessed lighting device of FIG.

FIG. 19 is a perspective view showing only the main part on the reflector side of the recessed lighting device of FIG. 16;

FIG. 20 is a cross-sectional view showing only a main part of a recessed lighting device according to a twelfth embodiment of the present invention.

21 is a perspective view showing only a socket-side main part of the recessed lighting device of FIG. 20;

FIG. 22 is a perspective view showing only a main part on the reflector side of the recessed lighting device of FIG. 20;

FIG. 23 (a) is a perspective view showing only a socket-side main part of a recessed lighting device according to a thirteenth embodiment of the present invention, and FIG. 23 (b) is a recessed lighting device of FIG. It is the perspective view which showed only the reflecting mirror side main part of the lighting fixture.

FIG. 24 (a) is a perspective view showing only a main part on the socket side of a recessed lighting device according to a fourteenth embodiment of the present invention, and FIG. 24 (b) is a recessed lighting device of FIG. It is the perspective view which showed only the reflecting mirror side main part of the lighting fixture.

FIGS. 25 (a) and (b) are cross-sectional views showing a recessed lighting device according to a fifteenth embodiment of the present invention.

FIGS. 26A and 26B are cross-sectional views each showing a recessed lighting device according to a sixteenth embodiment of the present invention.

FIG. 27 is a perspective view showing only a main part of the recessed lighting device of FIG. 26;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Discharge lamp 3 Reflector 4 Downlight

Claims (9)

[Claims] 1. An embedded lighting device having a discharge lamp and a reflector for controlling light distribution surrounding the discharge lamp, and capable of controlling lighting of a discharge lamp having a rating different from that of the discharge lamp. An embedded lighting fixture, wherein the relative positional relationship between the discharge lamp and the reflector is variable in accordance with the rating of the discharge lamp to be mounted. 2. The recessed lighting device according to claim 1, wherein the discharge lamp is a downlight that is a single-cap discharge lamp. 3. The embedded lighting device according to claim 1, wherein the reflecting mirror changes according to a rating of the discharge lamp. 4. The recessed lighting device according to claim 3, wherein the reflecting mirror expands and contracts in a length direction of the discharge lamp so as to correspond to a rating of the discharge lamp. 5. The recessed lighting device according to claim 4, wherein the discharge lamp is vertically arranged, and a total length of the reflecting mirror expands and contracts in a length direction of the discharge lamp. 6. The discharge lamp according to claim 4, wherein said discharge lamp is arranged horizontally, and said reflecting mirror is capable of protruding outward at a portion where a tip of said discharge lamp faces. Recessed lighting equipment. 7. The embedded lighting device according to claim 1, wherein a mounting position of the discharge lamp changes according to a rating of the discharge lamp. 8. The embedding device according to claim 7, wherein the discharge lamp is vertically arranged, and a mounting position of the discharge lamp is variable according to a rating of the discharge lamp. Type lighting equipment. 9. The discharge lamp is laterally arranged and mounted at a side position of the reflector, and a tip of the discharge lamp is positioned inside the reflector in accordance with a rating of the discharge lamp. 8. The recessed lighting device according to claim 7, wherein the lighting device can be attached to an inclined position so as to perform the operation.