JP3077532B2 - lighting equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lighting apparatus provided with a light-transmitting apparatus cover, and using a glow starter to start a straight tube fluorescent lamp covered with the cover.

[0002]

2. Description of the Related Art A remote control type luminaire 1 shown in FIGS. 9 and 10 has a luminaire main body 2 directly attached to a ceiling, and a detachable translucent luminaire cover 3 for covering a lower surface 2a thereof. ing. A plurality of fluorescent lamps 5 extending over a pair of lamp sockets 4a and 4b are attached to a lower surface 2a of the apparatus main body 2. Each fluorescent lamp 5 is started by a glow starter (not shown).

[0003] A ballast 6 corresponding to each lamp 5 and a receiving unit 7 for remote control are mounted on the lower surface 2a. The lamp sockets 4a and 4b, the fluorescent lamp 5, the stabilizer 6, the receiving unit 7, and the like are covered and covered by the instrument cover 3.

[0004] Further, reference numeral 8 in FIG. 9 denotes a remote control transmitter. When a signal transmitted from the remote control unit 7 is received by the receiving unit 7, the fluorescent lamp 5 is turned on, reduced, and turned off in accordance with the received content. Is performed.

On the other hand, a composite lamp socket having a fluorescent lamp socket for mounting a fluorescent lamp and a glow starter socket for mounting a glow starter is known from Japanese Utility Model Publication No. 1-19342. In this socket, as shown in FIGS. 11 and 12, the glow starter socket portion 12 adjacent to the fluorescent lamp socket portion 11 has its axis 12a connected to the socket mounting surface (FIG. 1).
2 (see two-dot chain line).

In FIGS. 11 and 12, reference numeral 13 denotes a lamp mounting opening of the fluorescent lamp socket 11, reference numeral 14 denotes a rotating body,
Reference numerals 5 and 16 denote conductive plates that contact the lamp pins.
Reference numeral 7 denotes a glow starter mounting opening of the glow starter socket portion 12, reference numeral 18 denotes a first contact piece having a contact piece 18a with which a central terminal of the glow starter 19 contacts, and reference numeral 20 denotes a portion integrally extended from the conductive plate 16. It is a contact piece that comes into contact with the base of the glow starter 19.

A glow starter 19 attached to the glow starter socket portion 12 of the composite lamp socket.
Is a fluorescent lamp socket 11 as shown in FIG.
Are projected from the mounting surface in a direction away from the mounting surface.

In the lighting apparatus using the composite lamp socket having the above-described configuration, a composite lamp socket is used for one of the pair of lamp sockets 4a and 4b, for example, the lamp socket 4a, and the other lamp socket is used. A single-function lamp socket without a glow starter socket is used in 4b. These lamp sockets 4a and 4b are mounted on the lower surface 2a of the appliance body 2 as a socket mounting surface. 9 and 10
1 shows an example in which a composite lamp socket 4a and a single-function lamp socket 4b are alternately arranged in the width direction of the appliance body 2.

[0009]

In the lighting apparatus 1 using the composite lamp socket 4a having the above-described structure, the glow starter 19 attached to the socket section 12 based on the arrangement of the glow starter socket section 12 is provided. The fluorescent lamp socket 11 protrudes from the lower surface 2 a of the main body 2, which is a socket mounting surface, larger than the front end of the fluorescent lamp socket 11. Therefore, the area of the rear surface of the composite lamp socket 4a and the area of the glow starter 19 attached to the socket 4a facing the instrument cover 3 are large.

The glow starter 19 and the composite lamp socket 4a to which the glow starter 19 is attached block a part of the light radiated from the fluorescent lamp 5 supported by the fluorescent lamp socket portion 11, so that the translucent instrument cover is provided. In FIG. 10, a shadow A is shown on a portion 3a of the composite lamp socket 4a facing the back surface of the composite lamp socket 4a as shown by hatching with a two-dot chain line in FIG. The shadow A appears not only in the fluorescent lamp socket section 11 but also in a region corresponding to a large area including a large part of the glow starter socket section 12 and a glow starter 19 protruding from the same. Thereby, shadow A
There is a problem that the brightness of the appliance cover 3 is reduced according to the size of the device and the appearance of the appliance is impaired.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a lighting fixture capable of reducing the reflection of a shadow on a fixture cover by a composite lamp socket and improving the brightness of the fixture cover and the appearance of the fixture.

[0012]

SUMMARY OF THE INVENTION The present invention provides a composite first lamp socket having a fluorescent lamp socket and a glow starter socket, and a second lamp socket formed without the glow starter socket. A translucent instrument cover that is attached to the instrument body in pairs and covers a glow starter attached to the glow starter socket, and a straight tube fluorescent lamp attached between the first and second lamp sockets. Is a lighting fixture attached to the fixture body.

In order to achieve the above object, the lighting apparatus according to claim 1 is characterized in that the glow starter socket and the axis of the glow starter attached to the socket are attached to the composite first lamp socket. Is substantially parallel to the socket mounting surface of the
The height of the glow starter socket and the glow starter attached to the socket are perpendicular to the axis of the fluorescent lamp, and are within the height range from the socket mounting surface to the tip of the fluorescent lamp socket .
The instrument cover is covered with a cover frame and a transparent
It is formed including the optical resin cover body, and this cover is
When attached to the instrument body and viewed from the end face of the instrument body
So that the glow starter is covered with the cover frame.
It is characterized in that the the.

According to a second aspect of the present invention, in order to more effectively achieve the same object, in the lighting apparatus according to the first aspect, the axis is defined by an axis of the fluorescent lamp attached to the fluorescent lamp socket. It is better to move it closer to the socket mounting surface than the center.

[0015]

According to the lighting apparatus of the first aspect, the glow starter mounted on the glow starter socket of the composite lamp socket is parallel to the socket mounting surface of the apparatus main body and mounted on the socket according to the arrangement of the starter socket. It is arranged within a height range from the surface to the tip of the fluorescent lamp socket. In other words, regardless of the overall length of the glow starter, the starter is not disposed so as to protrude beyond the tip of the fluorescent lamp socket portion of the composite lamp socket. Glow starter is a container
Cover with the cover frame of the instrument cover when viewed from the end of the fixture body.
Will be Thereby, a vessel covering the rear of the composite lamp socket and the glow starter mounted on this socket
And a translucent cover body of the tool cover, and the glow starter.
Can be reduced when viewed from the end face direction of the instrument body .

According to the lighting apparatus of the second aspect, the glow starter socket and the glow attached to the glow starter socket are arranged in accordance with the position of the axis of the glow starter socket closer to the socket mounting surface than the axis of the fluorescent lamp. The starter is moved closer to the socket mounting surface. Thereby,
The area of the rear surface of the composite lamp socket and the facing of the glow starter attached to the socket to the instrument cover can be further reduced.

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. 1 to 4 show the configuration of a lighting fixture 21 installed directly on the ceiling side of a house, for example, on the ceiling surface. In these drawings, reference numeral 22 denotes a fixture body directly attached to the ceiling surface; An instrument cover that covers the lower surface of the instrument body 22 and is detachably attached. An instrument cover 2 for covering components described below attached to the lower surface of the instrument body 22
Reference numeral 3 is formed by attaching a cover body 23b made of a light-transmitting synthetic resin to a metal cover frame 23a.

As shown in FIGS. 2 and 3, the sheet metal device main body 22 has a flat rectangular shape, and corner guides 24 for positioning the device cover 23 are protruded at four corners thereof, and a side along the longitudinal direction. The latch 25 is attached to the center of the. The cover frame 23a is provided with a latch engaging portion (not shown) which is engaged with and disengaged from the latch 25 by operating the push button 26.

The latch engagement portion is provided with the tool main body 2 in a state where the tool cover 23 is guided by the corner guide 24 and positioned.
By pressing the device cover 2, the device cover 23 is engaged with the latch 25 to attach and hold the device cover 23 to the device main body 22. When the push button 26 is pushed in, the engagement with the latch 25 is released, and the instrument cover 23 can be removed from the instrument body 22 as shown in FIG.

As shown in FIGS. 2 and 3, two first and second lamp sockets 27 and 28 are attached to the lower surface of both ends in the longitudinal direction of the appliance body 22, respectively. The first lamp socket 27, which will be described in detail later, is a composite type having a glow starter socket portion to which a glow starter 29 is attached, and the second lamp socket 28 is a single function type having no glow starter socket portion.

The first and second lamp sockets 27,
Reference numerals 28 are provided to face each other along the longitudinal direction of the instrument body 22. A straight tube-type fluorescent lamp 31 having a length extending therebetween is mounted on and supported by the opposed lamp sockets 27 and 28, respectively.

On the lower surface of the appliance main body 22, two fluorescent lamps 31 located at the center in the width direction of the appliance main body 22 and four fluorescent lamps 31 arranged in parallel with each other are provided on both sides. Two discharge lamp stabilizers 32 are respectively mounted between the other two fluorescent lamps 31 positioned. Further, on the lower surface of the instrument main body 22, it is located between the two fluorescent lamps 31 located at the center in the width direction,
A nightlight unit 33 is mounted, and a remote control receiving unit 34 is mounted. The nightlight unit 33 is provided with a nightlight 35.

The receiving unit 34 receives the signal (infrared signal) transmitted from the remote control transmitter 37 shown in FIG. 1, judges the received content, and according to the received content, the fluorescent lamp 31 and the It has a function of controlling the nightlight 35 (lighting, reducing light, extinguishment, etc.).
In the all-light mode.

Accordingly, in the lighting fixture having the above-described configuration, when power is supplied and the receiving unit 34 is in an operable state, the user operates the remote control transmitter 37 to transmit the signal to the lighting fixture 21. Is performed, and when the transmitted signal is received by the remote control receiving unit 34, control according to the received content, that is, lighting, dimming, extinguishing, etc. of the four fluorescent lamps 31, and lighting of the nightlight 35, The light is turned off.

Next, the composite first lamp socket 27 will be described with reference to FIGS. The socket 27 is made of a synthetic resin socket body 4 shown in FIG.
1, first to third contact pieces 42 to
In addition to the housing 44, a socket cover 45 (see FIGS. 7 and 8) made of synthetic resin for covering and hiding the contact pieces 42 to 44 is formed. Socket cover 4
5 is provided so as to cover the back opening of the socket body 41,
It is connected to the socket main body 41 by using a claw engagement without using a fixing tool such as a screw. In addition, 46 in FIGS.
Indicates a locking claw, and 47 indicates a claw locking hole into which the locking claw 46 is hooked.

A mounting groove 48 is formed at one end of the socket body 41, for example, at the upper part in the figure. The first lamp socket 27 is connected to the fixture by fitting the pair of attachment grooves 48 into holes of socket attachment holes (not shown) provided on the lower surface 22 a as a socket attachment surface formed of a horizontal wall of the fixture body 22. It is attached to the main body 22.

In FIGS. 5 to 8 except for FIG. 7, reference numeral 41a denotes a stopper claw, which is provided on the appliance main body 22 when the first lamp socket 27 is attached to a predetermined position of the appliance main body 22. The first lamp socket 27 is used to prevent the first lamp socket 27 from being inadvertently moved from the predetermined position due to vibration or the like by being hooked on a receiver (not shown).

The first lamp socket 27 includes a fluorescent lamp socket 27a and a glow starter socket 27b.
And a capacitor mounting portion 27c. The fluorescent lamp 31 is mounted on the fluorescent lamp socket 27a, the glow starter 29 is mounted on the glow starter socket 27b, and a capacitor (not shown) for preventing noise is mounted on the capacitor mounting portion 27. .

The fluorescent lamp socket 27a has a lamp mounting opening 49 opened in the front wall of the socket body 41,
It is formed to include a pin introduction groove 50, a rotating body 51, and the first and second contact pieces 42 and 43. The pin introduction groove 50 is provided at a distal end (a lower end in FIGS. 5 to 8) of the socket body 41 opposite to the mounting side end where the mounting groove 48 is provided, in communication with the lamp mounting port 49. And has a tapered shape in which the width gradually decreases toward the lamp mounting opening 49. The rotating body 51 is rotatably provided between the socket body 41 and the socket cover 45 so as to be exposed at the lamp mounting port 49 and has a slot 51 a that can communicate with the pin introduction port 50. .

The first and second contact pieces 42 and 43 are formed by inserting portions 42a and 43a bent in a substantially U shape into the lamp mounting port 4.
9 is provided. The part 42a, 43a
A lamp pin 31b (see FIGS. 5 and 6) protruding from a base 31a of the fluorescent lamp 31 is pressed into contact therewith. The first contact piece 42 has a lamp-side terminal portion 42b.
A lead wire for wiring within the device is inserted from the insertion hole 41b on the front of the device and connected. The second contact piece 43 has a capacitor terminal portion 43b, and the terminal portion 43b is electrically connected to one end of the capacitor (not shown).

The fluorescent lamp socket portion 27a having the above-described structure is used.
The fluorescent lamp 31 is attached as follows. First, the fluorescent lamp 31 is in a posture in which the lamp pins 31b are arranged vertically, and in this posture, the pair of lamp pins 31b are disposed in the lamp mounting opening 49 through the pin introduction groove 50. As a result, the one of the lamp pins 31b inserted first passes through the slot 51a of the rotating body 51.
Next, by rotating the fluorescent lamp 31 by 90 ° with the rotating body 51, the first and second contact pieces 42, 43 are elastically deformed, respectively, while a pair of the lamp pins 31b are attached to the portions 42a, 43a. Are pressed separately from each other.

Then, the pair of lamp pins 31a are sandwiched between the first and second contact pieces 42 and 43 from both sides in the arrangement direction, and the rotating body 51 closes the lamp mounting port 49 of the pin introduction groove 50, and the fluorescent lamp 31 is closed. 31 is prevented from falling off. That is, the fluorescent lamp 31 is attached to the fluorescent lamp socket 27a as described above, and the fluorescent lamp 31 can be removed by the reverse procedure.

The glow starter socket portion 27b has a bottomed cylindrical shape, and a thread groove 52 is formed on an inner surface of a portion formed by a part of the socket body 41. The socket portion 27b is provided with the third contact piece 44,
And a starter contact piece 42c. Third contact piece 4
4 is a contact piece portion 44a, a capacitor terminal portion 44b,
And a starter-side terminal portion 44c.

The contact piece 44a extends along the inner surface of the bottom wall 27b1 of the socket portion 27b and rises obliquely so as to gradually move away from the bottom wall 27b1 at a substantially central portion of the bottom wall 27b1. Terminal part 43 for capacitor
b is electrically connected to the other end of the capacitor (not shown). In the starter side terminal portion 44c,
A lead wire for wiring in the device is inserted from the insertion hole 41c on the front surface of the socket body 41 and connected.

The starter contact piece 42c is integrally extended from the second contact piece 42, and penetrates the bottom wall 27b1 to form the socket cover 45 as shown in FIG. It is arranged along the inner surface of the concave portion 45a formed by a part.

The glow starter socket portion 27 having the above configuration
b is a posture that is perpendicular to the lower surface 22a of the apparatus main body 22 and is lateral to the fluorescent lamp socket 27a provided so as to protrude downward, in other words, its axis E (see FIG. 6). Is parallel to the lower surface 22a, which is the mounting surface of the first lamp socket 27, and is provided integrally with the fluorescent lamp socket 27a.

Therefore, in this embodiment, since the lower surface 22a is horizontal, the glow starter socket 27b is provided so that the axis E is horizontal .
In both cases , the axis E is provided in a direction perpendicular to the axis of the fluorescent lamp 31. Moreover, the glow starter socket portion 27b is arranged within a height range L (see FIG. 6) from the lower surface 22a to the tip of the fluorescent lamp socket portion 27a.

Further, among the above mounting conditions, the glow starter socket portion 27b is
It is provided closer to the lower surface 22a than the axis F of the fluorescent lamp 31 attached to the lamp 7a, in other words, from the center of the lamp mounting opening 49. Note that G in FIG.
Indicates a shift dimension shifted from the axis F toward the lower surface 22a.

The glow starter socket portion 2 having the above configuration
A glow starter 29 is attached to 7b by screwing its base 29a. By this attachment, the base 29a is screwed into the screw groove 52 to be electrically connected to the starter contact piece 42c, and the central terminal 29b of the glow starter 29 contacts the contact piece 44a to make it elastic. It is electrically connected while deforming. The valve portion of the glow starter 29 thus mounted is horizontally projected outside the glow starter socket portion 27b as shown by a two-dot chain line in FIG.

The second lamp socket 28 corresponds to the fluorescent lamp socket 27a.
The first and second lamp sockets 27 and 28 are
As shown in FIG. 4, the rear surface of the portion except for the lower surface 22 a faces the end wall portion 23 b 1 of the instrument cover 23, and
2a.

When the lighting apparatus having the above configuration is turned on, a part of the light emitted from the fluorescent lamp 31 in the directions of the first and second lamp sockets 27 and 28 is blocked by the sockets 27 and 28, respectively. shadow C, D (shown by hatching in two-dot chain line in FIG. 4), these sockets 2
7 and 28 are reflected on the end wall 23b1 of the instrument cover 23 which covers the end of the instrument main body 22 . For details,
2 when viewed from the end face, the metal cover of the instrument cover 23
Frame 23a is attached to the first lamp socket 27,
Of the glow starter 29 (see FIG. 4)
In the end wall portion 23b1 of the translucent cover main body 23b,
Shadows C and D are reflected.

The first lamp socket 27 to which the glow starter 29 is attached in addition to the fluorescent lamp 31,
As described above, the glow starter socket portion 27b and the axis E of the glow starter 29 attached to the socket portion 27b are parallel to the horizontal lower surface 22a of the instrument main body 22, and the glow starter socket portion 27b is connected to the lower surface 22a. And a height L from the front end to the tip of the fluorescent lamp socket 27a.

Therefore, the glow starter 29 attached to the glow starter socket portion 27b is parallel to the lower surface 22a of the instrument body 22 and from the lower surface 22a according to the arrangement of the glow starter socket portion 27b. Are arranged within a range of height L up to the tip of.

In other words, the glow starter 29 projects further downward than the tip of the fluorescent lamp socket portion 27a of the first lamp socket 27, although the bulb portion is mounted so as to project from the glow starter socket portion 27b. Never be placed.

This makes it possible to reduce the area of the rear surface of the first lamp socket 27 and the area of the glow starter 29 attached to this socket 27 facing the end wall 23b1 of the instrument cover 23.
7, the light-transmitting cover body 23 of the instrument cover 23
The shadow C reflected on the end wall portion 23b1 in b can be reduced. Therefore, the brightness of the instrument cover 23 and the appearance of the instrument can be improved.

In addition, the glow starter socket 27b
Of the fluorescent lamp 31 attached to the fluorescent lamp socket portion 27a by a distance G to the lower surface 22a side, the glow starter socket portion 2
7b and the glow starter 29 attached thereto are brought closer to the lower surface 22a side, and the area of the rear surface of the first lamp socket 27 and the facing area of the glow starter 29 attached to this socket 27 to the end wall 23b1 of the instrument cover 23. And shadow C can be further reduced.

[0047]

As described in detail above, claim 1 of the present invention,
According to the lighting device according to 2, and the glow starter is mounted to the back and the socket of the composite shaped lamp socket
By reducing the area of the instrument cover that covers the light-transmitting cover body facing the light- transmitting cover body and reducing the shadows reflected on the light- transmitting cover body of the instrument cover due to the composite lamp socket, the brightness of the instrument cover and the instrument can be reduced. In particular, in the lighting fixture according to claim 2, the light- transmitting cover body of the fixture cover is further improved.
Since the number of shadows reflected on the device can be reduced, the brightness of the device cover and the appearance of the device can be more effectively improved.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a configuration of a multi-lighting lighting device according to an embodiment of the present invention, together with a remote control transmitter.

FIG. 2 is a perspective view showing a state in which a fixture cover of the lighting fixture shown in FIG. 1 is removed.

FIG. 3 is a plan view showing the configuration of the lighting fixture shown in FIG. 1 with a fixture cover removed.

FIG. 4 shows the configuration of the lighting apparatus shown in FIG.
FIG.

FIG. 5 is a perspective view showing a configuration of a composite lamp socket included in the lighting apparatus shown in FIG. 1 together with a fluorescent lamp and a glow starter.

FIG. 6 is a rear view showing the configuration of the lamp socket shown in FIG. 5 with its socket cover removed.

7 is a front view showing a configuration of a socket cover of the lamp socket shown in FIG. 5;

FIG. 8 is a diagram showing the configuration of the lamp socket shown in FIG. 5 as viewed from the direction of arrow Y in FIG. 5;

FIG. 9 is a perspective view showing an apparatus cover and a remote control transmitter from which a configuration of a conventional multi-lamp lighting apparatus is removed.

FIG. 10 is a diagram showing a configuration of the lighting apparatus shown in FIG. 9 with a part cut away when viewed from an arrow X direction in FIG. 9;

FIG. 11 is an exemplary perspective view showing a configuration of a composite lamp socket included in the lighting fixture shown in FIG. 9;

FIG. 12 is a rear view showing the configuration of the lamp socket shown in FIG. 11 with its socket cover removed;

[Explanation of symbols]

21: lighting equipment, 22: equipment main body, 22a: lower surface of the equipment main body (socket mounting surface) 23: equipment cover, 23a ...
Cover frame, 23b : Translucent cover body, 23b1: Translucent
End wall of the sex cover body, 27 ... first lamp sockets, 2
7a: fluorescent lamp socket part, 27b: glow starter socket part, 28: second lamp socket, 29: glow starter, 31: fluorescent lamp, E: axis of the glow starter socket part, F: axis of the fluorescent lamp G ... Dimension, L: Height of fluorescent lamp socket.

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-6-295611 (JP, A) JP-A 1-174811 (JP, U) JP-A 57-186989 (JP, U) (58) Investigation Field (Int.Cl. ⁷ , DB name) F21V 23/00 360

Claims (2)

(57) [Claims] A composite first lamp socket having a fluorescent lamp socket portion and a glow starter socket portion;
A glow starter attached to the glow starter socket and a second lamp socket formed without the glow starter socket are paired with the fixture body, and between the first and second lamp sockets. Transparent covering straight tube fluorescent lamp
In a lighting fixture having an optical fixture cover attached to the fixture main body, the glow starter socket and the axis of the glow starter attached to the socket are aligned with the fixture main body to which the composite first lamp socket is attached. Approximately parallel to the socket mounting surface and the axis of the fluorescent lamp
The glow starter socket and the glow starter attached to the socket are orthogonal to each other.
The fixture cover is disposed so as to be within a height range from the socket mounting surface to the tip of the fluorescent lamp socket portion, and the appliance cover is provided with a cover frame and a transparent resin cover.
The cover is attached to the instrument body.
When viewed from the end face of the instrument body, the growth
A lighting fixture, wherein a tarter is covered by the cover frame . 2. The lighting apparatus according to claim 2, wherein the axis is closer to the socket mounting surface than the axis of the fluorescent lamp mounted on the fluorescent lamp socket.