JP4432607B2 - lighting equipment - Google Patents

Description

  The present invention relates to a lighting apparatus suitable for direct ceiling mounting, ceiling-mounted type, and the like.

Conventionally, as an example of this type of lighting fixture, there is one described in Patent Document 1 below. In this lighting fixture, a plurality of one-sided fluorescent lamps are juxtaposed on a lid-equipped rectangular tube-shaped fixture body, and mounting holes for attaching the fixture body to the ceiling wall are attached to the fixture body. For example, two portions are formed at the central portion of the lid portion, or four portions when the instrument body is large. Further, a power cord insertion hole for inserting the power cord is also formed at the center of the lid portion of the instrument body.
JP 2002-358814 A ([FIG. 3], [FIG. 4])

  However, in such a conventional lighting fixture, since a plurality of mounting holes and a power cord insertion hole are formed in the central portion of the instrument body, which is generally conspicuous, an aesthetic appearance due to the visibility of these mounting holes and the power cord insertion hole In order to prevent this, a blindfold member such as a V cover that hides the mounting hole and the power cord insertion hole is attached to the instrument body.

  For this reason, a blindfold member such as a V cover is required separately, and an assembling process for mounting the blind cover on the instrument body is required.

  In addition, since the mounting hole is in the center of the instrument body, when this instrument body is attached to the ceiling wall, the close contact between the center of the instrument body and the ceiling wall is strong, but the corners and outer edges of the instrument body are strong. The degree of adhesion between the part and the ceiling wall becomes weak, and a minute gap may be formed, and there is a problem that the aesthetic appearance is deteriorated.

  Furthermore, in this conventional lighting fixture, since the socket which is detachably attached to the base of the single-piece fluorescent lamp is fixed to one end of the fixture body, the base of the fluorescent lamp is attached to and detached from this socket. Each time, the external force is concentrated on one end of the instrument body around the socket. However, since there is no attachment hole in one end of the appliance main body and it is not fixed to the ceiling wall here, there is a problem that the attachment strength of the appliance main body to the ceiling wall is reduced.

  In addition, when a ring-shaped fluorescent lamp such as a quadrangle or a circle is used as a light source instead of the one-piece fluorescent lamp, the center of the ring is a high-temperature region, so the power source formed at the center of the instrument body There is also a problem that the power cord inserted through the cord insertion hole is subjected to high temperature and the coating is deteriorated by heat.

  In addition, since the lighting circuit is disposed at one end of the appliance main body, there is a problem that the wiring length from the power cord insertion hole in the central portion of the appliance main body to the lighting circuit becomes long.

  The present invention has been made in view of such circumstances, and an object of the present invention is to provide a lighting fixture that does not require a separate member for concealing the mounting hole of the fixture body and increases the ceiling mounting strength of the fixture body. is there.

  The invention according to claim 1 is formed on the inner surface side of the mounting portion to be mounted on the ceiling, and is provided with a reflecting surface on which a ring lamp is formed by arranging a light emitting portion having a base in a ring shape, and the mounting position of the ring lamp. An instrument body having a plurality of mounting holes respectively formed on the light emitting part side having the base and the light emitting part side facing the light emitting part; and mounted on the instrument body and the reflecting surface A frame-shaped reflecting frame that covers the outer side of the ring lamp mounting position of the lamp and that forms a light projection opening inside the reflecting surface surrounded by the covering portion. is there.

  The invention according to claim 2 is the luminaire according to claim 1, wherein the base is disposed on an imaginary straight line that connects the pair of mounting holes with a straight line.

  The invention according to claim 3 is characterized in that the appliance main body has a power cord insertion hole through which a power cord formed outside the mounting position of the annular lamp is inserted. It is a lighting fixture.

  According to a fourth aspect of the present invention, the appliance main body includes a lighting circuit and a terminal block for connecting the power cord to the lighting circuit at an outer portion corresponding to the outer side of the annular lamp. The lighting apparatus according to claim 3.

  According to the present invention, since the plurality of mounting holes are formed outside the annular lamp mounting position on the fixture body reflecting surface, the mounting hole covers the outer side of the annular lamp mounting position on the reflecting surface. It can be hidden by a frame. For this reason, it is not necessary to separately provide a blindfold member such as a cover for hiding the mounting hole.

  The mounting holes are formed near the base of the annular lamp and near the light emitting part facing the light emitting part provided with the base, and are formed outside the mounting position of the annular lamp. Even when external force is applied to the fixture body when the socket is detachably mounted on the lamp base, a mounting hole is formed near the base, where it is fixedly attached to the ceiling. Since the mounting holes on the opposite side are also fixedly mounted on the ceiling, it is possible to prevent or suppress a decrease in the mounting strength of the instrument body on the ceiling.

  Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. In the accompanying drawings, the same or corresponding parts are denoted by the same reference numerals.

  FIG. 1 is a bottom view when a lighting fixture according to an embodiment of the present invention is fixed to a ceiling when viewed from below, and FIG. 2 is a side view of FIG.

  As shown in these drawings, the luminaire 1 is directly attached to a mounting wall such as the ceiling wall S or embedded in a fixture mounting opening (not shown) of the ceiling wall S and is suspended by a mounting bracket such as a hanging bolt. It is a lighting fixture suitable for the embedded type.

  The luminaire 1 is a covered flat rectangular tube with an opening on the lower surface, and is mounted concentrically on the lower surface of the fixture body 2 and a fixture body 2 made of, for example, a thin steel plate, and is attached to the outer periphery of the lower surface of the fixture body 2. And a reflective frame 3 having a hollow rectangular frame shape.

  The reflection frame 3 is made of aluminum, sheet metal, synthetic resin, or the like, and has a quadrangular planar shape and a V-shaped cross section perpendicular to the axis. The outer surfaces of the lighting circuits 4 and 5 and the wiring (not shown) of the inverter lighting system fixed on the end portions are covered.

  As shown in FIGS. 1 and 2, the instrument main body 2 has a flat surface inside the flat lid portion 2 a (the lower surface in FIG. 2), which is an attachment portion, formed on the reflective surface 2 b. The instrument main body 2 has an inner lower surface opening surrounded by a reflection frame 3 in a rectangular shape at a facing end facing the reflection surface 2b as a light projection opening 2c.

  As shown in FIG. 1, the instrument body 2 has a rectangular ring-shaped small fluorescent lamp 6 and a larger ring-shaped fluorescent lamp 7 that is concentric and detachable on the reflecting surface 2b. A plurality of lamp holders (not shown) that can be held respectively are provided.

  The small and large fluorescent lamps 6 and 7 have, for example, two substantially square glass bulbs each enclosing a pair of electrodes, arranged in parallel on the same plane so as to be close to the inside and the outside. They are connected together by a connecting tube to form inner and outer double tubes, respectively, and a phosphor film is formed on the inner surface of these double tubes almost over the entire length. Each discharge medium such as mercury and rare gas is enclosed.

  Further, the small and large fluorescent lamps 6 and 7 have caps 6a and 7a mounted so as to straddle the electrode sealing end and the outer surface of the connecting tip, respectively, and power receiving pins (not shown) of the caps 4a and 5a. Sockets 8 and 9 that are detachably attached to the inner wall of the instrument main body lid 2a are fixed to the inner surface side such as the reflecting surface 2b, and the small and large fluorescent lamps are mounted in a state in which the instrument main body 2 is fixedly attached to the ceiling wall S. The caps 6a, 7a can be detachably attached to the sockets 8, 9 by pushing up the caps 6a, 7a from the bottom to the top. The sockets 8 and 9 are electrically connected to the lighting circuits 4 and 5 through terminal blocks by lead wires (not shown).

  As shown in FIG. 1, these sockets 8 and 9 are arranged at symmetrical positions in the figure with a horizontal axis passing through the center O of the instrument body 2 as a symmetry axis. Accordingly, the caps 6a and 7a of the small and large fluorescent lamps 6 and 7 that are detachably attached to the sockets 8 and 9 are also arranged at symmetrical positions in the figure.

  And the instrument main body 2 is the outer side of the flat lid portion 2a, that is, outside the mounting positions of the caps 6a and 7a of the small and large fluorescent lamps 6 and 7, as shown in FIG. The pair of upper and lower mounting holes 10a and 10b in FIG. 1 are connected to the bases 6a and 7a (sockets 8 and 9) on the virtual straight line L passing through the center O of the instrument body 2 in the vertical direction in the figure. Are drilled in the vicinity of each. The fixture main body 2 can be attached and fixed to the ceiling wall S by inserting attachment screws or the like (not shown) into the attachment holes 10a and 10b and screwing them into the ceiling wall S or the like.

  Therefore, according to this lighting fixture 1, the pair of mounting holes 10 a and 10 b are formed on the outer side outside the mounting position of the small and large fluorescent lamps 6 and 7 on the reflecting surface 2 b side of the fixture body 2. Therefore, the pair of upper and lower mounting holes 10a and 10b can be covered with the reflection frame 3 that covers the outer portion of the instrument body 2 on the reflection surface 2b side. For this reason, a conventional blindfold member such as a V cover for hiding the mounting holes 10a and 10b can be omitted. As a result, it is possible to save such a blindfold member and reduce the assembly process to the instrument body.

  The pair of mounting holes 10a and 10b are located in the vicinity of the caps 6a and 7a of the small and large fluorescent lamps 6 and 7 and the sockets 8 and 9 that are detachably attached to the caps 6a and 7a, respectively. The instrument body 2 can be attached and fixed to the ceiling wall S in the vicinity of the caps 6a and 7a and the sockets 8 and 9.

  Therefore, even if each external force acts on the instrument main body 2 for each attachment / detachment of the caps 6a, 7a and the sockets 8, 9, the external force acting point is in the pair of mounting holes 10a, 10b of the instrument main body 2. Since it is in the vicinity of each mounting and fixing portion, the external force can be received by the mounting and fixing portions of the mounting holes 10a and 10b. For this reason, the caps 6a and 7a and the sockets 8 and 9 can be attached and detached easily and reliably, and a decrease in the support strength of the instrument body 2 can be prevented or reduced.

  Further, the main body 2 of the small and large fluorescent lamps 6 and 7 and the sockets 8a and 7a and the socket 8 are placed on a virtual straight line L passing through the center O in the vertical direction in the figure and connecting the pair of mounting holes 10a and 10b. 9 are arranged on the left and right sides of the virtual straight line L so as to distribute the pair of lighting circuits 4 and 5 to the left and right, so that the weight balance between the left and right sides with the virtual straight line L as the central axis is balanced. easy. For this reason, the ease of handling of a lighting fixture can be improved.

  FIG. 3 is a bottom view of a lighting fixture 1A according to the second embodiment of the present invention. 1 A of this lighting fixture is the outer side part of the inner surface side of the fixture main body 2 coat | covered with the reflective frame 3, Comprising: While the terminal block 11 is arrange | positioned and fixed in the side of a pair of attachment holes 10a, power cord insertion The feature is that the hole 12 is formed in the fixture body 2, and the other configuration is substantially the same as that of the lighting fixture 1 shown in FIG.

  The power cord insertion hole 12 is a through hole through which the power cord is inserted and pulled into the lighting fixture 1A, and the terminal block 11 connects the power cord and the lead wires of the lighting circuits 4 and 5 to each other. is there.

  According to this lighting fixture 1A, since the terminal block 11 and the power cord insertion hole 12 are disposed on the outer side of the fixture body 2 where the reflection frame 3 is disposed, the terminal block 11 and the power cord insertion hole 12 Can be covered with the reflection frame 3 and hidden.

  As a result, there is no need to provide a separate member such as a blindfold member for concealing the terminal block 11 and the power cord insertion hole 12, thus saving both the blindfold member and reducing the assembly process to the instrument body. You can plan.

  Further, in the annular small and large fluorescent lamps 6 and 7, due to the heat generation, the annular central part, that is, the central part around the center O of the instrument body 2 is heated to a high temperature. Since the temperature of the outer side is relatively lower than that of the ring-shaped central portion, it is possible to prevent or reduce the deterioration of the coating due to heat due to the power cord inserted through the power cord insertion hole 12 being heated to a high temperature.

  FIG. 4 is a bottom view of the lighting fixture 1B according to the third embodiment of the present invention. This luminaire 1B has caps 6a, 7a of small and large fluorescent lamps 6, 7 on a virtual straight line L that connects a pair of mounting holes 10a, 10b with the center O of the fixture body 2 in the vertical direction in the figure. Without providing the sockets 8 and 9, these caps 6 a and 7 a (sockets 8 and 9) on a virtual horizontal line H passing through the center O of the instrument body 2 in the horizontal direction in the figure perpendicular to the virtual straight line L. It is characterized in that they are arranged facing each other.

  Also with this lighting fixture 1B, the terminal block 11 and the power cord insertion hole 12 can be hidden by the reflection frame 3 in the same manner as the lighting fixture 1A shown in FIG.

  The attachment positions of the caps 6a and 7a and the sockets 8 and 9 of the small and large fluorescent lamps 6 and 7 are as follows: the cap 6a and the socket 8, and the cap 7a and the socket 9 as in the lighting fixture 1C shown in FIG. The small and large fluorescent lamps 6 and 7 may be provided on different sides instead of being provided on the same side. For example, as shown in FIG. 5, a plurality of bases 6a, 7a and sockets 8, 9 are shifted from each other by, for example, a central angle of 90 ° with respect to the center O of the instrument body 2 without being opposed to each other on the virtual straight line L or horizontal line H. They may be provided at different positions. According to this, since the bases 6a and 7a of the non-light emitting part are distributed between the light emitting parts of the small and large fluorescent lamps 6 and 7, the dark part is formed by concentrating them on the same side. It is possible to prevent or suppress the formation or dark part from being noticeable.

  Further, as shown in the lighting fixture 1D shown in FIG. 6, for example, inside the small fluorescent lamp 6, an annular second small fluorescent lamp 13 smaller than the small fluorescent lamp 6, and the second small fluorescent lamp 13. A socket 13b to be mounted on the base 13a may be additionally provided, and three annular fluorescent lamps and three sockets may be provided.

  In this case, the three caps 6a, 7a, 13a and the sockets 8, 9, 13b may be arranged in a row in the horizontal direction as shown in FIG.

  Further, when there are three annular fluorescent lamps 6, 7, 13 as shown in FIG. 7, the bases 2a, 7a, 13a and their sockets 8, 9, 13b are different from the main body 2 as in the lighting fixture 1E shown in FIG. It may be arranged on each of the three sides. According to this, there can exist an effect similar to 1C of lighting fixtures shown in the said FIG.

  Note that the pair of mounting holes 10a and 10b may not be on the imaginary straight line L but in the vicinity of the imaginary straight line L. Further, even if not in the vicinity of the caps 6a and 7a, the base light emitting part side and the opposing light emitting part It suffices to be provided on the outer side of the instrument body 2 covered with the reflection frame 3. In the above embodiment, the quadrangular fluorescent lamp in which the light emitting portions are arranged in a quadrangular shape has been described as the ring-shaped small and large fluorescent lamps 4 and 5, but the present invention is not limited to this, and for example, a triangle or a pentagon It can also be applied to polygonal lamps such as hexagons, or circular ring lamps. Moreover, although the said embodiment demonstrated the case where two small and large fluorescent lamps 4 and 5 were used as an annular lamp, the number of annular lamps may be one and three or more may be sufficient. Furthermore, although the case where a double tube is used as the small and large fluorescent lamps 4 and 5 has been described, a single tube or a triple tube or more may be used.

The bottom view when the lighting fixture which concerns on the 1st Embodiment of this invention is looked up from the downward direction. The side view of FIG. The bottom view of the lighting fixture which concerns on the 2nd Embodiment of this invention. The bottom view of the lighting fixture which concerns on the 3rd Embodiment of this invention. The bottom view of the lighting fixture which concerns on the 4th Embodiment of this invention. The bottom view of the lighting fixture which concerns on the 5th Embodiment of this invention. The bottom view of the lighting fixture which concerns on the 6th Embodiment of this invention.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 1,1A, 1B, 1C, 1D, 1E ... Lighting fixture, 2 ... Appliance main body, 2a ... Lid part, 2b ... Reflecting surface, 2c ... Projection opening, 3 ... Reflection frame, 6 ... Small fluorescent lamp, 6a ... Base 7 ... Large fluorescent lamp, 7a ... Base, 8, 9, 13b ... Socket, 10a, 10b ... A pair of mounting holes, 11 ... Terminal block, 12 ... Power cord insertion hole, 13 ... Second small fluorescent lamp, 13a ... base, L ... virtual straight line.

Claims (4)

A reflective surface on which an annular lamp is formed, which is formed on the inner surface side of an attachment portion attached to the ceiling and is provided with a light-emitting portion provided with a base in an annular shape, outside the attachment position of the annular lamp, An instrument body provided with a plurality of mounting holes respectively formed on the light emitting part side having the light emitting part side and the light emitting part side facing the light emitting part;
A frame-like reflection frame that is mounted on the apparatus main body and covers the outside of the reflection surface from the ring lamp mounting position and forms a light projection opening inside the reflection surface surrounded by the covering portion;
The lighting fixture characterized by comprising. The luminaire according to claim 1, wherein the base is disposed on an imaginary straight line connecting the pair of mounting holes with a straight line. The lighting fixture according to claim 1 or 2, wherein the fixture body includes a power cord insertion hole through which a power cord formed outside the ring lamp mounting position is inserted. The said instrument main body arrange | positions a lighting circuit and the terminal block which connects the said power cord to this lighting circuit in the outer part corresponding to the outer side of the said ring lamp, The said fixture body is arrange | positioned. lighting equipment.

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