WO2022004391A1

WO2022004391A1 - Lamp unit, lighting fixture, lamp, socket, and fixture body unit

Info

Publication number: WO2022004391A1
Application number: PCT/JP2021/022898
Authority: WO
Inventors: 隆介小寺; 晶裕平野; 崇長崎; 健太櫻川
Original assignee: パナソニックＩｐマネジメント株式会社
Priority date: 2020-07-01
Filing date: 2021-06-16
Publication date: 2022-01-06
Also published as: JP7373749B2; JP2023171594A; JP2022022695A

Abstract

The present invention addresses the problem of reducing the probability of an incompatible lamp being mistakenly fitted to a socket. A lamp unit (1) is provided with a lamp (2), and a socket (3). The lamp (2) can be fitted to the socket (3). A lamp body (5) includes a first identification projecting portion (56). The first identification projecting portion (56) is of a size corresponding to the acceptable range of a first characteristic of the lamp (2), the size being smaller the larger the acceptable range of the first characteristic. A socket main body (8) includes a first identification recessed portion (84). The first identification recessed portion (84) is of a size allowing insertion of the first identification projecting portion (56). The first identification recessed portion (84) is of a size allowing insertion of the first identification projecting portion (56) of a lamp of a type for which the socket (3) is acceptable with regard to the first characteristic, and a size preventing insertion of the first identification projecting portion (56) of a lamp of a type for which the socket (3) is unacceptable with regard to the first characteristic.

Description

Lamp unit, lighting fixture, lamp, socket and fixture body unit

This disclosure generally relates to lamp units, luminaires, lamps, sockets and fixture body units. More specifically, the present disclosure relates to a lamp unit including a lamp and a socket, a lighting fixture including the lamp unit, a lamp used together with the socket, a socket used together with the lamp, and a fixture body unit including the socket.

Patent Document 1 describes a lighting fixture including a fixture main body and a light emitting element lamp (lamp).

The main body of the instrument is provided with a socket portion having a positive electrode side feeding terminal and a negative electrode side feeding terminal. A straight tube type light emitting element lamp is attached to the socket portion (socket) of the instrument body.

The light emitting element lamp includes a positive electrode side power receiving terminal and a negative electrode side power receiving terminal (feeding pin) connected to the positive electrode side feeding terminal and the negative electrode side feeding terminal in the socket portion. The positive electrode side power receiving terminal and the negative electrode side power receiving terminal have a cylindrical pin shape, and the positive electrode side power receiving terminal has a larger diameter and is formed thicker than the negative electrode side power receiving terminal. That is, the positive electrode side power receiving terminal and the negative electrode side power receiving terminal are formed in different forms.

The lighting fixture described in Patent Document 1 further includes a means for preventing erroneous connection of preventing the positive electrode side power receiving terminal and the negative electrode side power receiving terminal of the light emitting element lamp from being connected to the feeding terminal on the different electrode side in the socket portion. As for the erroneous connection preventing means, the direction in which the positive electrode side power receiving terminal and the negative electrode side power receiving terminal are inserted into the insertion groove is restricted in one direction.

Japanese Unexamined Patent Publication No. 2012-138272

An object of the present disclosure is to provide a lamp unit, a luminaire, a lamp, a socket and a fixture body unit capable of reducing the possibility of a nonconforming lamp being erroneously mounted in a socket.

The lamp unit according to one aspect of the present disclosure includes a lamp and a socket. The lamp can be attached to the socket. The lamp includes a light source and a lamp body. The light source is arranged in the lamp body. The socket comprises a socket body. The lamp body has a first identification convex portion. The first identification convex portion has a size corresponding to an allowable range of the first characteristic in the lamp. The socket body has a first identification recess. The first identification recess has a size into which the first identification convex portion can be inserted. The first identification convex portion is smaller as the permissible range of the first characteristic is larger. The first identification recess has a size in which the first identification convex portion of a lamp of the type allowed by the socket for the first characteristic among a plurality of types of lamps including the lamp can be inserted, and the plurality of the first identification recesses. Among the types of lamps, the first identification convex portion of the type of lamp whose socket is unacceptable for the first characteristic is of a size that cannot be inserted.

The lamp unit according to one aspect of the present disclosure includes a lamp and a socket. The lamp can be attached to the socket. The lamp includes a light source and a lamp body. The light source is arranged in the lamp body. The socket comprises a socket body. The lamp body has a first identification recess. The first identification recess has a size corresponding to the allowable range of the first characteristic in the lamp. The socket body has a first identification protrusion. The first identification convex portion has a size that can be inserted into the first identification concave portion. The first identification recess is larger as the permissible range of the first characteristic is larger. The first identification convex portion has a size that can be inserted into the first identification recess of the type of lamp that the socket allows for the first characteristic among the plurality of types of lamps including the lamp, and the plurality of the first identification protrusions. Of the types of lamps, the socket is of a size that cannot be inserted into the first identification recess of the type of lamp for which the socket is unacceptable for the first characteristic.

The lighting fixture according to one aspect of the present disclosure includes the lamp unit and the fixture main body. The instrument body holds the socket.

The lamp according to one aspect of the present disclosure is a lamp that can be attached to a socket. The lamp includes a light source and a lamp body. The light source is arranged in the lamp body. The lamp body has an identification protrusion. The identification protrusion has a size corresponding to an allowable range of specified characteristics in the lamp. The identification convex portion is smaller as the allowable range of the specified characteristic is larger.

The lamp according to one aspect of the present disclosure is a lamp that can be attached to a socket. The lamp includes a light source and a lamp body. The light source is arranged in the lamp body. The lamp body has an identification recess. The identification recess has a size corresponding to an allowable range of specified characteristics in the lamp. The identification recess is larger as the permissible range of the specified characteristics is larger.

The socket according to one aspect of the present disclosure is a socket to which a lamp can be mounted. The socket comprises a socket body. The socket body has an identification recess. The identification recess has a size into which the identification protrusion of the lamp can be inserted. The identification recess has a size in which the identification convex portion of the type of lamp allowed by the socket for the specified characteristics of the lamp among the plurality of types of lamps including the lamp can be inserted, and the plurality of types of lamps are inserted. Of the above, the identification convex portion of the lamp of the type in which the socket is unacceptable for the specified characteristic is of a size that cannot be inserted.

The socket according to one aspect of the present disclosure is a socket to which a lamp can be mounted. The socket comprises a socket body. The socket body has an identification recess. The identification recess has a size that can be inserted into the identification recess of the lamp. The identification convex portion has a size that can be inserted into the identification recess of the type of lamp that the socket allows for the specified characteristics of the lamp among the plurality of types of lamps including the lamp, and the plurality of types of lamps. Of the above, the size of the socket is such that the socket cannot be inserted into the identification recess of an unacceptable type of lamp with respect to the specified characteristic.

The instrument body unit according to one aspect of the present disclosure includes the socket and the instrument body. The socket is attached to the instrument body.

FIG. 1 is an exploded perspective view of the lamp unit according to the first embodiment. FIG. 2 is a perspective view of the lamp according to the first embodiment. FIG. 3 is a front view of the lamp according to the first embodiment. FIG. 4 is a cross-sectional view of the lamp according to the first embodiment. FIG. 5 is a perspective view of the socket according to the first embodiment. FIG. 6 is a front view of the socket according to the first embodiment. FIG. 7 is a cross-sectional view of the socket according to the first embodiment. FIG. 8 is an exploded perspective view of the lamp unit according to the first modification of the first embodiment. FIG. 9 is an exploded perspective view of the lamp unit according to the second modification of the first embodiment. FIG. 10 is an exploded perspective view of the lamp unit according to the second embodiment. FIG. 11 is a perspective view of the lamp according to the second embodiment. FIG. 12 is a perspective view of the socket according to the second embodiment. FIG. 13 is a front view of the socket according to the second embodiment. FIG. 14 is a cross-sectional view of the socket according to the second embodiment. FIG. 15 is a schematic view of the lighting fixture according to the third embodiment.

Hereinafter, the lamp unit according to the first and second embodiments and the lighting fixture according to the third embodiment will be described with reference to the drawings. The figures of FIGS. 1 to 15 referred to in the following embodiments and the like are schematic views, and the ratio of the size and the thickness of each component in the figure does not necessarily reflect the actual dimensional ratio. Not always.

(Embodiment 1)
(1) Lamp Unit The configuration of the lamp unit 1 according to the first embodiment will be described with reference to the drawings.

As shown in FIG. 1, the lamp unit 1 according to the first embodiment includes a lamp 2 and a socket 3. The lamp unit 1 is used, for example, in a lighting fixture 9 (see FIG. 15).

(2) Each Component of the Lamp Unit Hereinafter, each component of the lamp unit 1 according to the first embodiment will be described with reference to the drawings.

(2.1) Lamp As shown in FIGS. 1 to 4, the lamp 2 is a member that can be attached to the socket 3, and includes a light source 4, a lamp body 5, a cover 6, and a plurality of lamps (two in the illustrated example). ) Is provided with the power supply pin 7.

(2.1.1) Light Source The light source 4 shown in FIG. 1 has, for example, one or a plurality of LEDs (Light Emitting Diodes). When the light source 4 has a plurality of LEDs, in the light source 4, the plurality of LEDs are arranged on a plane. The light source 4 is configured so that light from each LED is emitted from the emission surface 61 of the cover 6 toward the outside of the lamp 2.

(2.1.2) Lamp body The lamp body 5 accommodates a light source 4 as shown in FIGS. 2 to 4. A light source 4 is arranged on the lamp body 5. The lamp body 5 is made of, for example, a resin.

The lamp main body 5 has a first side surface portion 51, an annular portion 52, a second side surface portion 53, and a first installation portion 54. In the first embodiment, the first side surface portion 51, the annular portion 52, the second side surface portion 53, and the first installation portion 54 are integrally formed. That is, the lamp body 5 is composed of one member. The first side surface portion 51, the annular portion 52, the second side surface portion 53, and the first installation portion 54 are not limited to being integrally formed, and may be formed separately. Alternatively, at least two of the first side surface portion 51, the annular portion 52, the second side surface portion 53, and the first installation portion 54 may be formed separately. That is, the lamp body 5 may be composed of a plurality of members. Further, each of the first side surface portion 51, the annular portion 52, the second side surface portion 53, and the first installation portion 54 may be composed of one member or may be composed of a plurality of members. The base portion of the lamp main body 5 is composed of the first side surface portion 51, the annular portion 52, the second side surface portion 53, and the first installation portion 54. The base of the lamp body 5 is not limited to the first side surface portion 51, the annular portion 52, the second side surface portion 53, and the first installation portion 54. The base portion of the lamp main body 5 may be composed of at least one of a first side surface portion 51, an annular portion 52, a second side surface portion 53, and a first installation portion 54, or a first side surface portion 51 and an annular portion 52. , The second side surface portion 53, the first installation portion 54, and other portions may be composed of the second side surface portion 53 and the first installation portion 54.

The annular portion 52 has an annular portion. In the example of FIG. 2, the annular portion 52 has an annular portion. The annular portion 52 has an outer peripheral end 521 forming the outer periphery of the annular portion 52 and an inner peripheral end 522 forming the inner circumference of the annular portion 52. The annular portion 52 is provided at one end of the first side surface portion 51. The outer peripheral end 521 of the annular portion 52 and one end of the first side surface portion 51 are connected to each other.

The second side surface portion 53 is provided so as to project from the inner peripheral end 522 of the annular portion 52 in the first direction D1. Since the first side surface portion 51 is provided at the outer peripheral end 521 of the annular portion 52 and the second side surface portion 53 is provided at the inner peripheral end 522 of the annular portion 52, in a plan view from the first direction D1. The second side surface portion 53 is smaller than the first side surface portion 51. In other words, the diameter of the second side surface portion 53 is shorter than the diameter of the first side surface portion 51.

As shown in FIG. 2, the first installation unit 54 has a circular shape in a plan view from the first direction D1. The first installation portion 54 has an outer peripheral end 541 forming the outer circumference of the first installation portion 54. The first installation portion 54 is provided at one end of the second side surface portion 53. The outer peripheral end 541 of the first installation portion 54 and one end of the second side surface portion 53 are connected to each other. The first installation portion 54 has a plurality of (two in the illustrated example) through holes 55 for the feeding pin 7 to penetrate.

(2.1.3) Cover The cover 6 shown in FIGS. 1 and 4 has translucency (including transparency) and allows light emitted from the light source 4 to pass through. The cover 6 is provided at one end of the first direction D1 which is the axial direction of the first side surface portion 51 of the lamp main body 5. The cover 6 is provided on the lamp body 5 so as to cover the opening of the lamp body 5.

The cover 6 is formed of, for example, a synthetic resin such as an acrylic resin, a polycarbonate resin, or a silicone resin. The cover 6 may be made of a material other than the synthetic resin. The cover 6 may be formed of, for example, glass. Further, the cover 6 may have light diffusivity. Further, the cover 6 may be transparent or milky white.

(2.1.4) Power supply pin As shown in FIGS. 1 to 4, the plurality of power supply pins 7 are pins for receiving power supply and are provided on the lamp main body 5. More specifically, the plurality of power feeding pins 7 are provided so as to project from the first installation portion 54 of the lamp main body 5. The plurality of feeding pins 7 are provided at positions symmetrical with respect to the center O1 of the first installation portion 54 in the first installation portion 54.

Each feeding pin 7 is made of a conductive material such as metal, and has a shaft portion 71 and a tip portion 72. In the example of the first embodiment, the shaft portion 71 and the tip portion 72 are integrally formed. The shaft portion 71 and the tip portion 72 may be formed separately. When the shaft portion 71 and the tip portion 72 are formed separately, the shaft portion 71 and the tip portion 72 may be formed of the same type of metal or may be formed of different types of metal. good.

(2.2) Socket As shown in FIG. 1, the socket 3 is a member to which the lamp 2 can be mounted, and has a socket body 8.

(2.2.1) Socket main body The socket main body 8 has a bottomed tubular shape as shown in FIGS. 5 to 7. The socket body 8 is made of, for example, resin.

The socket body 8 has a side surface portion 81 and a second installation portion 82. In the first embodiment, the side surface portion 81 and the second installation portion 82 are integrally formed. That is, the socket body 8 is composed of one member. The side surface portion 81 and the second installation portion 82 are not limited to being integrally formed, and may be formed as separate bodies. That is, the socket body 8 may be composed of a plurality of members. Further, each of the side surface portion 81 and the second installation portion 82 may be composed of one member or may be composed of a plurality of members. The side surface portion 81 has one end (first end) and the other end (second end).

As shown in FIGS. 5 to 7, the second installation unit 82 has a circular shape in a plan view from the first direction D1. The second installation portion 82 has an outer peripheral end 821 forming the outer circumference of the second installation portion 82. The second installation portion 82 is provided at the other end (second end) of the side surface portion 81. The outer peripheral end 821 of the second installation portion 82 and the other end (second end) of the side surface portion 81 are connected to each other.

The second installation unit 82 has a plurality of (two in the illustrated example) feeding holes 83 into which the feeding pins 7 of the lamp 2 are inserted. Each of the plurality of feeding holes 83 has an arc shape centered on the center O2 of the second installation portion 82 (see FIGS. 5 and 6). Each feeding hole 83 includes a round hole 831 and an elongated hole 832 (see FIG. 5). The round hole 831 and the long hole 832 are connected to each other. The round hole 831 is formed at one end (first end) of the feeding hole 83. The round hole 831 is larger than the tip portion 72 of the feeding pin 7. More specifically, the diameter of the round hole 831 is longer than the diameter of the tip portion 72 of the feeding pin 7. The elongated hole 832 is formed so as to extend from the round hole 831 toward the other end (second end) of the feeding hole 83. The elongated hole 832 is larger than the shaft portion 71 of the feeding pin 7 and smaller than the tip portion 72 of the feeding pin 7. More specifically, the width of the elongated hole 832 in the direction orthogonal to the arc direction is longer than the diameter of the shaft portion 71 of the feeding pin 7 and shorter than the diameter of the tip portion 72 of the feeding pin 7. Further, the second installation portion 82 has a through hole 88.

(2.2.2) The contact socket 3 includes a plurality of contacts conducting with the plurality of feeding pins 7. The plurality of contacts are housed in the socket body 8. The plurality of contacts are arranged in the socket body 8 so as to contact and conduct conduction with the plurality of feeding pins 7 when the lamp 2 is attached to the socket 3.

(2.3) Mounting the lamp on the socket The lamp 2 is socketed by the relative rotation of the lamp 2 and the socket 3 with the plurality of feeding pins 7 inserted into the plurality of feeding holes 83. It is attached to 3.

(2.4) Attachment to the Instrument Body The socket 3 is attached to the instrument body 91 (see FIG. 15) at one end (first end) of the side surface portion 81 of the socket body 8, for example. In a state where the socket 3 is attached to the instrument main body 91, the feeding pin 7 of the lamp 2 is inserted into the round hole 831 of the feeding hole 83 of the socket 3. After that, when the lamp 2 including the feeding pin 7 is rotated, the feeding pin 7 moves from the round hole 831 to the elongated hole 832, and finally, the feeding pin 7 is the other end (second end) of the feeding hole 83. Located in. As a result, the lamp 2 is attached to the socket 3. At this time, the feeding pin 7 contacts the contact of the socket 3 and conducts conduction.

(3) Details of First Installation Unit and Second Installation Unit Next, details of the first installation unit 54 of the lamp 2 and the second installation unit 82 of the socket 3 will be described.

The first installation portion 54 of the lamp 2 has a first identification convex portion 56 as shown in FIGS. 2 to 4. The first identification convex portion 56 is formed in the central region of the first installation portion 54. The central area of the first installation unit 54 is an area including the center O1 of the first installation unit 54. More specifically, the central region of the first installation portion 54 is located on a straight line connecting two points of the outer peripheral end 541 through the center O1 of the first installation portion 54 and closer to the center side than the plurality of feeding pins 7. Area to do.

The first identification convex portion 56 has a size corresponding to the allowable range of the first characteristic (specified characteristic) in the lamp 2. The first identification convex portion 56 is smaller as the allowable range of the first characteristic is larger.

In the first embodiment, the height H1 of the first identification convex portion 56 differs depending on the allowable range of the first characteristic in the lamp 2. More specifically, the height H1 of the first identification convex portion 56 differs depending on the allowable range of the input power of the lamp 2. For example, when the input power of the lamp 2 is P1, the height H1 of the first identification convex portion 56 is 7.5 mm, and when the input power of the lamp 2 is P2 (P2> P1), the first identification convex portion 56 is used. The height H1 of the portion 56 is 10 mm. When the input power of the lamp 2 is P3 (P3> P2), the height H1 of the first identification convex portion 56 is 12.5 mm, and when the input power of the lamp 2 is P4 (P4> P3), the first is The height H1 of the 1 identification convex portion 56 is 15 mm.

As an example, the lamp 2 having an input power P1 is a lamp that emits light having the same brightness (light beam) as a 40 W incandescent light bulb, and the lamp 2 having an input power P2 has the same brightness as a 65 W incandescent light bulb. It is a lamp that emits light (light bulb). The lamp 2 having an input power P3 is a lamp that emits light having the same brightness (luminous flux) as a 100 W incandescent light bulb, and the lamp 2 having an input power P4 has the same brightness (luminous flux) as a 200 W incandescent light bulb. ) Is a lamp that emits light. The type of input power of the lamp 2 is not limited to the above example, and may be other than the above example.

The height H1 of the first identification convex portion 56 of the lamp 2 is not limited to the above numerical value. The relationship may be such that the higher the input power of the lamp 2, the higher the height H1 of the first identification convex portion 56.

The second installation portion 82 of the socket 3 has a first identification recess 84 as shown in FIGS. 5 to 7. The first identification recess 84 is formed in the central region of the second installation portion 82. The central area of the second installation unit 82 is an area including the center O2 of the second installation unit 82. More specifically, the central region of the second installation portion 82 is located on the straight line connecting the two points of the outer peripheral end 821 through the center O2 of the second installation portion 82 and closer to the center side than the plurality of feeding holes 83. Area to do.

The first identification recess 84 has a size into which the first identification convex portion 56 can be inserted. More specifically, the first identification recess 84 has a size such that the first identification convex portion 56 of the type of lamp 2 allowed by the socket 3 for the first characteristic of the plurality of types of lamps 2 including the lamp 2 can be inserted. be. Further, the first identification recess 84 has a size such that the first identification convex portion 56 of the lamp 2 of the type in which the socket 3 is unacceptable for the first characteristic of the plurality of types of lamps 2 cannot be inserted.

In the first embodiment, the depth L1 of the first identification recess 84 differs depending on the first characteristic allowed by the socket 3 for the first characteristic of the lamp 2. More specifically, the depth L1 of the first identification recess 84 depends on the input power of the lamp 2 allowed by the socket 3. For example, when the input power of the lamp 2 is P1, the depth L1 of the first identification recess 84 is 7.5 mm, and when the input power of the lamp 2 is P2, the depth L1 of the first identification recess 84 is. It is 10 mm. Further, when the input power of the lamp 2 is P3, the depth L1 of the first identification recess 84 is 12.5 mm, and when the input power of the lamp 2 is P4, the depth L1 of the first identification recess 84 is. It is 15 mm.

In the state where the first identification convex portion 56 of the lamp 2 is inserted into the first identification concave portion 84 of the socket 3, there may be a gap between the first identification concave portion 84 and the first identification convex portion 56. preferable. The gap is, for example, about 0.5 mm. From the above, it is preferable that the depth L1 of the first identification recess 84 is larger than the height H1 of the first identification convex portion 56, for example, by about 0.5 mm. In this case, when the input power of the lamp 2 is P1, the depth L1 of the first identification recess 84 is 8 mm, and when the input power of the lamp 2 is P2, the depth L1 of the first identification recess 84 is 10. It is 5.5 mm. Further, when the input power of the lamp 2 is P3, the depth L1 of the first identification recess 84 is 13 mm, and when the input power of the lamp 2 is P4, the depth L1 of the first identification recess 84 is 15. It is 5 mm. The gap between the first identification concave portion 84 and the first identification convex portion 56 is not limited to 0.5 mm, and is a value that can be appropriately selected.

The depth L1 of the first identification recess 84 of the socket 3 is not limited to the above numerical value. The relationship may be such that the larger the input power of the lamp 2 allowed by the socket 3, the deeper the depth L1 of the first identification recess 84 is.

From the above, when the socket 3 is of the input power P1 type, the lamp 2 of the input power P1 can be attached to the socket 3, but the lamp 2 of the input power P2 cannot be attached to the socket 3. On the other hand, when the socket 3 has an input power P4 type, the lamp 2 of the input power P4 can be attached to the socket 3. Further, even the lamp 2 having the input power P3 can be attached to the socket 3. Further, even the lamp 2 having the input power P1 and the lamp 2 having the input power P2 can be attached to the socket 3.

As shown in FIG. 2, the first installation portion 54 of the lamp 2 has a plurality of (two in the illustrated example) second identification recesses 57. The plurality of second identification recesses 57 are formed in the outer peripheral region of the first installation portion 54. The outer peripheral region of the first installation portion 54 is, for example, a region located on the outer peripheral side of the plurality of feeding pins 7 on a straight line connecting two points of the outer peripheral end 541 through the center O1 of the first installation portion 54. be. In the example of FIG. 2, each second identification recess 57 is provided on the peripheral edge of the lamp body 5.

Each second identification recess 57 corresponds to the second characteristic of the lamp 2. The position of each second identification recess 57 differs depending on the second characteristic of the lamp 2. More specifically, the position of each second identification recess 57 differs depending on the magnitude of the input voltage that can be input to the lamp 2.

In the first embodiment, the position angle θ1 representing the position of the second identification recess 57 with respect to the reference position is different depending on the magnitude of the input voltage of the lamp 2. The reference position is, for example, a straight line connecting the center O1 of the first installation portion 54 and the feeding pin 7. That is, the relative positions of the second identification recess 57 and the feeding pin 7 in the lamp 2 differ depending on the second characteristic. For example, when the input voltage of the lamp 2 is 100 V, the position angle θ1 of the second identification recess 57 is 0 °, and when the input voltage of the lamp 2 is 200 V, the position angle θ1 of the second identification recess 57 is 45. °. When the input voltage of the lamp 2 is an overseas voltage, the position angle θ1 of the second identification recess 57 is 90 °, and when the input voltage of the lamp 2 is another voltage, the position angle θ1 of the second identification recess 57 is Is 135 °.

As shown in FIG. 6, the second installation portion 82 of the socket 3 has a plurality of (two in the illustrated example) second identification convex portions 85. The plurality of second identification convex portions 85 are concave portions that can be fitted into the second identification concave portion 57, and are formed in the outer peripheral region of the second installation portion 82. The outer peripheral region of the second installation portion 82 is, for example, a region located on the outer peripheral side of the plurality of feeding holes 83 on a straight line connecting two points of the outer peripheral end 821 through the center O2 of the second installation portion 82. be.

Each second identification convex portion 85 corresponds to the second characteristic allowed by the socket 3 for the second characteristic of the lamp 2. The position of each second identification convex portion 85 differs depending on the second characteristic allowed by the socket 3 for the second characteristic of the lamp 2. More specifically, the position of each second identification convex portion 85 differs depending on the magnitude of the input voltage input to the lamp 2.

In the first embodiment, the position angle θ2 representing the position of the second identification convex portion 85 with respect to the reference position is different depending on the magnitude of the input voltage of the lamp 2. The reference position is, for example, a straight line connecting the center O2 of the second installation portion 82 and the other end (second end) of the feeding hole 83. That is, the relative position between the second identification convex portion 85 and the feeding hole 83 in the socket 3 differs depending on the type of lamp 2 that the socket 3 allows for the second characteristic among the plurality of types of lamps 2. For example, when the input voltage of the lamp 2 is 100 V, the position angle θ2 of the second identification convex portion 85 is 0 °, and when the input voltage of the lamp 2 is 200 V, the position angle θ2 of the second identification convex portion 85 is Is 45 °. When the input voltage of the lamp 2 is for overseas use, the position angle θ2 of the second identification convex portion 85 is 90 °, and when the input voltage of the lamp 2 is other than that, the position angle θ2 of the second identification convex portion 85 is It is 135 °.

From the above, when the socket 3 is for 100V, the lamp 2 for an input voltage of 100V can be attached to the socket 3, but the lamp 2 for an input voltage of 200V cannot be attached to the socket 3. Similarly, when the socket 3 is for 200 V, the lamp 2 for an input voltage of 200 V can be attached to the socket 3, but the lamp 2 for an input voltage of 100 V cannot be attached.

When the lamp 2 allows both an input voltage of 100 V and an input voltage of 200 V, the second identification recess 57 is provided at both the position where the position angle θ1 is 0 ° and the position where the position angle θ1 is 45 °. Similarly, if the lamp 2 allows both an input voltage of 200 V and an overseas voltage, the second identification recess 57 is provided at both the position where the position angle θ1 is 45 ° and the position where the position angle θ1 is 90 °. .. In short, the lamp 2 has a second identification recess 57 to accommodate the permissible input voltage.

Further, the size of the second identification recess 57 of the lamp 2 differs depending on the third characteristic of the lamp 2. The second identification recess 57 is larger as the allowable range of the third characteristic in the lamp 2 is larger.

In the first embodiment, the size of the second identification recess 57 differs depending on whether or not the lamp 2 is dimmable. More specifically, the width W1 in the radial direction of the first installation portion 54 in the second identification recess 57 differs depending on whether or not the lamp 2 is dimmable. For example, when the lamp 2 has a dimming function, the width W1 of the second identification recess 57 is 3 mm. When the lamp 2 does not have a dimming function, the width W1 of the second identification recess 57 is 1.5 mm.

The size of the second identification convex portion 85 of the socket 3 differs depending on the third characteristic allowed by the socket 3 for the third characteristic of the lamp 2. The second identification convex portion 85 has a size that can be inserted into the second identification concave portion 57 of the type of lamp 2 that the socket 3 allows for the third characteristic of the plurality of types of lamps 2. The second identification convex portion 85 has a size that cannot be inserted into the second identification recess 57 of the lamp 2 of the type in which the socket 3 is unacceptable for the third characteristic of the plurality of types of lamps 2.

In the first embodiment, it differs depending on whether or not the socket 3 is dimmable. More specifically, the radial width W2 of the second installation portion 82 in the second identification convex portion 85 differs depending on whether or not the socket 3 is dimmable. For example, when the socket 3 has a dimming function, the width W2 of the second identification convex portion 85 is 3 mm. When the socket 3 does not have a dimming function, the width W2 of the second identification convex portion 85 is 1.5 mm.

In the state where the second identification convex portion 85 of the socket 3 is inserted into the second identification concave portion 57 of the lamp 2, there may be a gap between the second identification concave portion 57 and the second identification convex portion 85. preferable. The gap is, for example, about 0.5 mm. From the above, it is preferable that the width W1 of the second identification recess 57 is larger than the width W2 of the second identification convex portion 85, for example, by about 0.5 mm. In this case, when the lamp 2 is dimmable, the width W1 of the second identification recess 57 is 3.5 mm, and when the lamp 2 is not dimmable, the width W1 of the second identification recess 57 is 2 mm. The gap between the second identification recess 57 and the second identification convex portion 85 is not limited to 0.5 mm and is a value that can be appropriately selected.

From the above, when the socket 3 does not have a dimming function, both the lamp 2 having no dimming function and the lamp 2 having a dimming function can be attached to the socket 3. On the other hand, when the socket 3 has a dimming function, a lamp 2 having a dimming function can be attached to the socket 3, but a lamp 2 having no dimming function cannot be attached to the socket 3.

The lamp 2 having a dimming function can be attached to either the socket 3 having the dimming function or the socket 3 not having the dimming function. On the other hand, the lamp 2 having no dimming function can be attached to the socket 3 having no dimming function, but cannot be attached to the socket 3 having the dimming function.

(4) Effect In the lamp unit 1 according to the first embodiment, the first identification convex portion 56 of the lamp 2 is smaller as the permissible range of the first characteristic is larger. Further, the first identification recess 84 of the socket 3 is sized so that the first identification convex portion 56 of the lamp 2 of the type allowed by the socket 3 for the first characteristic of the plurality of types of lamps 2 can be inserted. Of the plurality of types of lamps 2, the first identification convex portion 56 of the type of lamp for which the socket 3 is unacceptable for the first characteristic is of a size that cannot be inserted. This makes it possible to reduce the possibility of erroneous mounting of the non-conforming lamp 2 in the socket 3 for the first characteristic.

In the lamp unit 1 according to the first embodiment, the first identification convex portion 56 is provided in a region on the center O1 side of the plurality of feeding pins 7 and including the center O1. As a result, since the first identification convex portion 56 is provided at a position that does not hinder the rotation of the feeding pin 7 and the lamp 2, a new identification convex portion 56 for the first identification convex portion 56 that does not hinder the rotation of the lamp 2 is provided. Doesn't take up space.

In the lamp unit 1 according to the first embodiment, the relative position (position angle θ1) between the second identification recess 57 and the feeding pin 7 in the lamp 2 differs depending on the second characteristic of the lamp 2. Further, the relative position (position angle θ2) between the second identification convex portion 85 and the feeding hole 83 in the socket 3 differs depending on the type of lamp 2 that the socket 3 allows for the second characteristic among the plurality of types of lamps 2. As a result, it is possible to reduce the possibility of erroneous mounting of the non-conforming lamp 2 in the socket 3 not only for the first characteristic but also for the second characteristic.

In the lamp unit 1 according to the first embodiment, the second identification recess 57 is provided on the peripheral edge portion (outer peripheral end 541) of the lamp main body 5. As a result, the second identification recess 57 can be provided at a position that does not interfere with the arrangement of the feeding pin 7.

In the lamp unit 1 according to the first embodiment, the second characteristic of the lamp 2 is the magnitude of the input voltage that can be input to the lamp 2. As a result, it is possible to reduce the occurrence of a problem that the input voltage of the lamp 2 is low.

In the lamp unit 1 according to the first embodiment, the second identification recess 57 of the lamp 2 is larger as the permissible range of the third characteristic in the lamp 2 is larger. Further, the second identification convex portion 85 of the socket 3 has a size that can be inserted into the second identification concave portion 57 of the type of lamp 2 that the socket 3 allows for the third characteristic of the plurality of types of lamps 2. Regarding the third characteristic of the plurality of types of lamps 2, the socket 3 has a size that cannot be inserted into the second identification recess 57 of the lamp 2 of an unacceptable type. This makes it possible to reduce the possibility of erroneous mounting of the non-conforming lamp 2 in the socket 3 not only for the first characteristic and the second characteristic but also for the third characteristic.

In the lamp unit 1 according to the first embodiment, the first characteristic is the magnitude of the input power that can be input to the lamp 2, and the third characteristic is whether or not the lamp 2 has a dimming function. As a result, it is possible to reduce the possibility of erroneous mounting of the characteristics that have a large influence on the lamp 2 and the socket 3.

In the lamp unit 1 according to the first embodiment, the first characteristic is the magnitude of the input power that can be input to the lamp 2. As a result, it is possible to reduce the possibility of erroneous mounting of the characteristics that have a large influence on the lamp 2 and the socket 3.

(5) Modification Example The modification of the first embodiment will be described below.

(5.1) Modification 1
As a modification 1 of the first embodiment, the lamp unit 1b may include a lamp 2b and a socket 3b as shown in FIG. In the lamp unit 1b, the lamp main body 5b of the lamp 2b has a first identification concave portion 56b instead of the first identification convex portion 56. The socket body 8b of the socket 3b has a first identification protrusion 84b instead of a first identification recess 84. In the first embodiment, the lamp main body 5 has the first identification concave portion 56 and the socket main body 8 has the first identification concave portion 84, whereas in the modified example 1, the lamp main body 5b has the first identification concave portion 56b. However, the socket body 8b has a first identification convex portion 84b.

In the first modification, the first identification recess 56b of the lamp body 5b has a size corresponding to the allowable range of the first characteristic in the lamp 2b. The first identification recess 56b of the lamp body 5b is larger as the permissible range of the first characteristic is larger.

Specifically, the depth L3 of the first identification recess 56b differs depending on the permissible range of the first characteristic in the lamp 2b. More specifically, the depth L3 of the first identification recess 56b depends on the allowable range of the input power of the lamp 2b.

On the other hand, the first identification convex portion 84b of the socket body 8b has a size that can be inserted into the first identification recess 56b of the type of lamp 2b that the socket 3b allows for the first characteristic among the plurality of types of lamps 2b including the lamp 2b. In addition, the socket 3b has a size that cannot be inserted into the first identification recess 56b of the lamp 2b of an unacceptable type for the first characteristic of the plurality of types of lamps 2b.

Specifically, the height H1 of the first identification convex portion 84b differs depending on the first characteristic allowed by the socket 3b for the first characteristic of the lamp 2b. More specifically, the height H3 of the first identification protrusion 84b depends on the input power of the lamp 2b allowed by the socket 3b.

(5.2) Modification 2
As a modification 2 of the first embodiment, the lamp unit 1c may include a lamp 2c and a socket 3c as shown in FIG. In the lamp unit 1c, the lamp body 5c of the lamp 2c has a second identification convex portion 57c instead of the second identification recess 57. The socket body 8c of the socket 3c has a second identification recess 85c instead of a second identification protrusion 85. In the first embodiment, the lamp main body 5 has the second identification concave portion 57 and the socket main body 8 has the second identification convex portion 85, whereas in the modified example 2, the lamp main body 5c has the second identification convex portion 57c. The socket body 8c has a second identification recess 85c.

In the second modification, each second identification convex portion 57c of the lamp 2c corresponds to the second characteristic of the lamp 2c. The position of each second identification convex portion 57c differs depending on the second characteristic of the lamp 2c. More specifically, the position of each second identification convex portion 57c differs depending on the magnitude of the input voltage that can be input to the lamp 2c.

Each second identification recess 85c of the socket 3c corresponds to the second characteristic allowed by the socket 3c for the second characteristic of the lamp 2c. The position of each second identification recess 85c depends on the second characteristic allowed by the socket 3c for the second characteristic of the lamp 2c. More specifically, the position of each second identification recess 85c differs depending on the magnitude of the input voltage input to the lamp 2c.

In the second modification, the second identification convex portion 57c of the lamp body 5c has a size corresponding to the allowable range of the third characteristic in the lamp 2c. The second identification convex portion 57c of the lamp body 5c is smaller as the allowable range of the third characteristic is larger.

Specifically, the height H3 of the second identification convex portion 57c differs depending on the allowable range of the third characteristic in the lamp 2c. More specifically, the height H3 of the second identification convex portion 57c differs depending on the allowable range of the input power of the lamp 2c.

On the other hand, the second identification recess 85c of the socket body 8c has a size in which the second identification convex portion 57c of the type of lamp 2c that the socket 3c allows for the third characteristic of the plurality of types of lamps 2c including the lamp 2c can be inserted. In addition, the second identification convex portion 57c of the lamp 2c of the type in which the socket 3c is unacceptable for the third characteristic of the plurality of types of lamps 2c is of a size that cannot be inserted.

Specifically, the depth L3 of the second identification recess 85c differs depending on the allowable range of the third characteristic in the lamp 2c. More specifically, the depth L3 of the second identification recess 85c depends on the allowable range of the input power of the lamp 2c.

(5.3) Modification 3
As a modification 3 of the first embodiment, in the lamp unit 1, the first characteristic may be the characteristic of whether or not the lamp 2 has a dimming function, and the third characteristic may be the magnitude of the input power. .. Also in the lamp unit 1 according to the modification 3, it is possible to reduce the possibility of erroneous mounting due to the characteristics that have a large influence on the lamp 2 and the socket 3.

(5.4) Modification 4
As a modification 4 of the first embodiment, the areas of both the first identification convex portion 56 and the first identification concave portion 84 in the plan view from the first direction D1 may be changed according to the first characteristic (input power). .. In the modified example 4, the first identification convex portion 56 in the plan view from the first direction D1 is not the height H1 of the first identification convex portion 56 and the depth L1 of the first identification concave portion 84 according to the first characteristic. And the area of both the first identification recess 84 is changed.

Further, when the first identification convex portion 56 and the first identification concave portion 84 are circular, the first identification in the plan view from the first direction D1 is performed according to the first characteristic of the lamp 2 (input power of the lamp 2). The diameters of both the protrusions 56 and the first identification recess 84 may be varied.

In short, the size of the first identification convex portion 56 of the lamp 2 is the height H1 of the first identification convex portion 56, the area of the first identification convex portion 56 in the plan view from the first direction D1, and the first identification. When the convex portion 56 is circular, it is the diameter of the first identification convex portion 56. The size of the first identification recess 84 of the socket 3 is such that the depth L1 of the first identification recess 84, the area of the first identification recess 84 in the plan view from the first direction D1, and the first identification recess 84 are circular. When is, it is the diameter of the first identification recess 84.

(5.5) Other Modifications As another modification of the first embodiment, the light source 4 is not limited to the LED, and may be another light emitting element. The light source 4 may be, for example, an organic EL (Electro Luminescence).

The lamp unit 1 according to each of the above modifications has the same effect as the lamp unit 1 according to the first embodiment.

(Embodiment 2)
As shown in FIGS. 10 to 12, the lamp unit 1a according to the second embodiment has a plurality of types (two types in the illustrated example) of the second identification recesses 58 and 59 and a plurality of types of the second identification protrusions 86 and 87 (2 types in the illustrated example). It differs from the lamp unit 1 (see FIG. 1) according to the first embodiment in that it has two types) in the illustrated example.

(1) Lamp unit The lamp unit 1a according to the second embodiment includes a lamp 2a and a socket 3a as shown in FIG. Like the lamp unit 1 according to the first embodiment, the lamp unit 1a is used for, for example, a lighting fixture 9 (see FIG. 15). Regarding the lamp unit 1 according to the second embodiment, the same components as those of the lamp unit 1 according to the first embodiment are designated by the same reference numerals and the description thereof will be omitted.

(2) Each Component of the Lamp Unit Hereinafter, each component of the lamp unit 1a according to the second embodiment will be described with reference to the drawings.

(2.1) Lamp The lamp 2a has a lamp body 5a as shown in FIGS. 10 and 11 in place of the lamp body 5 (see FIG. 1) of the first embodiment. Further, the lamp 2a has a light source 4, a cover 6, and a plurality of (two in the illustrated example) feeding pins 7 as in the lamp 2 of the first embodiment (see FIG. 1). Regarding the lamp 2a of the second embodiment, the same configuration and function as the lamp 2 of the first embodiment (see FIG. 1) will be omitted.

(2.1.1) Lamp body The lamp body 5a accommodates a light source 4 as shown in FIGS. 10 and 11 as in the lamp body 5 of the first embodiment. The lamp body 5a is made of, for example, a resin.

The lamp main body 5a has a first side surface portion 51, an annular portion 52, a second side surface portion 53, and a first installation portion 54a. In the second embodiment, the first side surface portion 51, the annular portion 52, the second side surface portion 53, and the first installation portion 54a are integrally formed. That is, the lamp body 5a is composed of one member. The first side surface portion 51, the annular portion 52, the second side surface portion 53, and the first installation portion 54a are not limited to being integrally formed, and may be formed separately. Alternatively, at least two of the first side surface portion 51, the annular portion 52, the second side surface portion 53, and the first installation portion 54a may be formed separately. That is, the lamp body 5a may be composed of a plurality of members. Further, each of the first side surface portion 51, the annular portion 52, the second side surface portion 53, and the first installation portion 54a may be composed of one member or may be composed of a plurality of members.

The first installation unit 54a has a plate shape as shown in FIG. 11, similar to the first installation unit 54 (see FIG. 2) of the first embodiment. In the example of FIG. 11, the first installation portion 54a has a disk shape. The first installation portion 54a has an outer peripheral end 541 forming the outer circumference of the first installation portion 54a. The first installation portion 54a is provided at one end of the second side surface portion 53. The outer peripheral end 541 of the first installation portion 54a and one end of the second side surface portion 53 are connected to each other. Similar to the first installation portion 54 of the first embodiment, the first installation portion 54a has a plurality of (two in the illustrated example) through holes 55 for the feeding pin 7 to penetrate.

(2.2) Socket The socket 3a has a socket body 8a as shown in FIG.

(2.2.1) Socket main body The socket main body 8a has a bottomed tubular shape as shown in FIGS. 12 to 14, similarly to the socket main body 8 (see FIG. 1) of the first embodiment. The socket body 8a is made of, for example, a resin.

The socket body 8a has a side surface portion 81 and a second installation portion 82a. In the second embodiment, the side surface portion 81 and the second installation portion 82a are integrally formed. That is, the socket body 8a is composed of one member. The side surface portion 81 and the second installation portion 82a are not limited to being integrally formed, and may be formed separately. That is, the socket body 8a may be composed of a plurality of members. Further, each of the side surface portion 81 and the second installation portion 82a may be composed of one member or may be composed of a plurality of members. The side surface portion 81 has one end (first end) and the other end (second end).

The second installation portion 82a has a plate shape as shown in FIGS. 12 to 14. In the example of FIG. 12, the second installation portion 82a has a disk shape. The second installation portion 82a has an outer peripheral end 821 forming the outer circumference of the second installation portion 82a. The second installation portion 82a is provided at the other end (second end) of the side surface portion 81. The outer peripheral end 821 of the second installation portion 82a and the other end (second end) of the side surface portion 81 are connected to each other. Like the second installation unit 82 of the first embodiment, the second installation unit 82a has a plurality of (two in the illustrated example) power supply holes 83 into which the power supply pins 7 of the lamp 2a are inserted.

The socket 3a is attached to the instrument main body 91 (see FIG. 15) at one end (first end) of the side surface portion 81 of the socket main body 8a, for example. In a state where the socket 3a is attached to the instrument main body 91, the feeding pin 7 of the lamp 2a is inserted into the round hole 831 of the feeding hole 83 of the socket 3a. After that, when the lamp 2a including the feeding pin 7 is rotated, the feeding pin 7 moves from the round hole 831 to the elongated hole 832, and finally, the feeding pin 7 is the other end (second end) of the feeding hole 83. Located in. As a result, the lamp 2a is attached to the socket 3a.

(3) Details of First Installation Unit and Second Installation Unit Next, details of the first installation unit 54a of the lamp 2a and the second installation unit 82a of the socket 3a will be described.

The first installation portion 54a of the lamp 2a has a first identification convex portion 56 as shown in FIG. 11, similar to the first installation portion 54 of the lamp 2 of the first embodiment. Since the definition of the height H1 of the first identification convex portion 56 of the second embodiment is the same as the definition of the height H1 of the first identification convex portion 56 of the first embodiment, the description thereof will be omitted.

The second installation portion 82a of the socket 3a has a first identification recess 84 as shown in FIGS. 12 to 14, similar to the second installation portion 82 of the socket 3 of the first embodiment. Since the definition of the depth L1 of the first identification recess 84 of the second embodiment is the same as the definition of the depth L1 of the first identification recess 84 of the first embodiment, the description thereof will be omitted.

Further, the first installation portion 54a of the lamp 2a has a second identification recess 58 as shown in FIG. 11, similar to the first installation portion 54 of the lamp 2 of the first embodiment. Since the definition of the depth L2 of the second identification recess 58 of the second embodiment is the same as the definition of the depth L2 of the second identification recess 57 of the first embodiment, the description thereof will be omitted.

The second installation portion 82a of the socket 3a has a second identification convex portion 86 as shown in FIGS. 12 to 14, similar to the second installation portion 82 of the socket 3 of the first embodiment. Since the definition of the height H2 of the second identification convex portion 86 of the second embodiment is the same as the definition of the height H2 of the second identification convex portion 85 of the first embodiment, the description thereof will be omitted.

As shown in FIG. 11, the first installation portion 54a of the lamp 2a of the second embodiment has a second identification recess 59 in addition to the second identification recess 58.

Each second identification recess 59 corresponds to the third characteristic of the lamp 2a. The size of the second identification recess 59 differs depending on whether or not the lamp 2a is dimmable. More specifically, the radial width W3 of the first installation portion 54a in the second identification recess 59 differs depending on whether or not the lamp 2a is dimmable. For example, when the lamp 2a has a dimming function, the width W3 of the second identification recess 59 is 3 mm. When the lamp 2a does not have a dimming function, the width W3 of the second identification recess 59 is 1.5 mm.

Further, as shown in FIGS. 12 to 14, the second installation portion 82a of the socket 3a of the second embodiment has a second identification convex portion 87 in addition to the second identification convex portion 86.

Each second identification convex portion 87 corresponds to the third characteristic allowed by the socket 3a for the third characteristic of the lamp 2a. The size of the second identification convex portion 87 differs depending on whether or not the socket 3a is dimmable. More specifically, the radial width W4 of the second installation portion 82a in the second identification convex portion 87 differs depending on whether or not the socket 3a is dimmable. For example, when the socket 3a has a dimming function, the width W4 of the second identification convex portion 87 is 3 mm. When the socket 3a does not have a dimming function, the width W4 of the second identification convex portion 87 is 1.5 mm.

In a state where the second identification convex portion 87 of the socket 3a is inserted into the second identification concave portion 59 of the lamp 2a, there may be a gap between the second identification concave portion 59 and the second identification convex portion 87. preferable. The gap is, for example, about 0.5 mm. From the above, it is preferable that the width W3 of the second identification recess 59 is larger than the width W4 of the second identification convex portion 87, for example, by about 0.5 mm. In this case, when the lamp 2a is dimmable, the width W3 of the second identification recess 59 is 3.5 mm, and when the lamp 2a is not dimmable, the width W3 of the second identification recess 59 is 2 mm. The gap between the second identification concave portion 59 and the second identification convex portion 87 is not limited to 0.5 mm, and is a value that can be appropriately selected.

From the above, when the socket 3a does not have a dimming function, both the lamp 2a having no dimming function and the lamp 2a having a dimming function can be attached to the socket 3a. On the other hand, when the socket 3a has a dimming function, a lamp 2a having a dimming function can be attached to the socket 3a, but a lamp 2a having no dimming function cannot be attached to the socket 3a.

The lamp 2a having a dimming function can be attached to either a socket 3a having a dimming function or a socket 3a not having a dimming function. On the other hand, the lamp 2a having no dimming function can be attached to the socket 3a having no dimming function, but cannot be attached to the socket 3a having the dimming function.

(4) Effect In the lamp unit 1a according to the second embodiment, as in the lamp unit 1 according to the first embodiment, the first identification convex portion 56 of the lamp 2a is smaller as the permissible range of the first characteristic is larger. Further, the first identification recess 84 of the socket 3a is sized so that the first identification convex portion 56 of the lamp 2a of the type allowed by the socket 3a for the first characteristic of the plurality of types of lamps 2a can be inserted. Of the plurality of types of lamps 2a, the first identification convex portion 56 of the type of lamp for which the socket 3a is unacceptable for the first characteristic is of a size that cannot be inserted. As a result, it is possible to reduce the possibility of erroneous mounting of the lamp 2a, which is incompatible with the first characteristic, into the socket 3a.

(5) Modification Example The modification of the second embodiment will be described below.

As a modification 1 of the second embodiment, the depth of the second identification recess 59 of the lamp 2a and the height of the second identification convex portion 87 of the socket 3a may be changed according to the third characteristic (dimming function). In the first modification, the depth of the second identification recess 59 and the height of the second identification convex portion 87 are not the width W3 of the second identification recess 59 and the width W4 of the second identification convex portion 87, depending on the third characteristic. Change the.

As a modification 2 of the second embodiment, the presence / absence of the second identification concave portion 59 of the lamp 2a and the presence / absence of the second identification convex portion 87 of the socket 3a may be changed according to the third characteristic (dimming function). Modification 2 is an example of modification 1 in which the depth of the second identification recess 59 and the height of the second identification convex portion 87 are changed, and the depth of the second identification recess 59 and the height of the second identification convex portion 87 are changed. Is 0 in each case.

If the lamp 2a is dimmable, the lamp 2a has a second identification recess 59, and if the lamp 2a is not dimmable, the lamp 2a does not have a second identification recess 59. On the other hand, when the socket 3a is dimmable, the socket 3a has a second identification convex portion 87, and when the socket 3a is not dimmable, the socket 3a does not have the second identification convex portion 87.

Also in the modified examples 1 and 2, when the socket 3a does not have the dimming function, both the lamp 2a having no dimming function and the lamp 2a having the dimming function can be attached to the socket 3a. .. On the other hand, when the socket 3a has a dimming function, a lamp 2a having a dimming function can be attached to the socket 3a, but a lamp 2a having no dimming function cannot be attached to the socket 3a.

As another modification of the second embodiment, each modification of the first embodiment may be applied to the lamp unit 1a.

The lamp unit 1a according to each of the above modifications also has the same effect as the lamp unit 1a according to the second embodiment.

(Embodiment 3)
In the third embodiment, the lighting fixture 9 using the lamp unit 1 will be described. Regarding the lamp unit 1 according to the third embodiment, the same components as the lamp unit 1 according to the first embodiment are designated by the same reference numerals and description thereof will be omitted.

(1) Configuration As shown in FIG. 15, the lighting fixture 9 according to the third embodiment includes a lamp unit 1, a fixture main body 91, and a power supply circuit 92. Regarding the lamp unit 1 according to the third embodiment, the same configuration and function as the lamp unit 1 (see FIG. 1) of the first embodiment will not be described.

The instrument body 91 shown in FIG. 15 holds the socket 3. The instrument body 91 is made of, for example, metal and has a bottomed tubular shape. The instrument body 91 has a bottom surface portion 911 and a side surface portion 912. The bottom surface portion 911 has a disk shape. A socket 3 of the lamp unit 1 is attached to the bottom surface portion 911. The lamp 2 is attached to the socket 3 attached to the bottom surface portion 911. The side surface portion 912 has a cylindrical shape and is provided so as to project from the outer peripheral end of the bottom surface portion 911 along the first direction D1. The instrument main body 91 accommodates the lamp unit 1 in the internal space.

The power supply circuit 92 shown in FIG. 15 supplies load power to the light source 4 by supplying power from an external power source. The external power source is, for example, a 100V system or a 200V system commercial power system, a power generation device that generates power using renewable energy, or a secondary battery. As shown by the broken line in FIG. 15, the power supply circuit 92 is housed in, for example, the socket body 8 of the socket 3. As shown by the alternate long and short dash line in FIG. 15, the power supply circuit 92 may be housed in the lamp body 5 of the lamp 2 instead of the socket body 8 of the socket 3. In this case, the input voltage of a commercial power system such as a 100V system or a 200V system is input to the lamp 2 from the socket 3 via the power supply pin 7, and the power supply circuit 92 housed in the lamp body 5 is connected to the lamp 2. Using the input input voltage, the load power for lighting the light source 4 is supplied to the light source 4.

Considering the assumed temperature on the instrument body 91 side, it is necessary to consider the input power of the lamp 2 in the socket 3. In other words, the socket 3 allows the lamp 2 with a small input power, but does not allow the lamp 2 with a large input power. The socket 3 allows the lamp 2 whose input power is smaller than the assumed maximum allowable input power, but does not allow the lamp 2 which exceeds the assumed maximum allowable input power.

(2) Effect In the lighting fixture 9 according to the third embodiment, in the lamp unit 1, the first identification convex portion 56 of the lamp 2 is smaller as the permissible range of the first characteristic is larger. Further, the first identification recess 84 of the socket 3 has a size in which the first identification convex portion 56 of the lamp 2 of the type allowed by the socket 3 for the first characteristic of the plurality of types of lamps can be inserted, and a plurality of the first identification recesses 84 are inserted. The first identification convex portion 56 of the lamp 2 of the type in which the socket 3 is unacceptable for the first characteristic of the lamp 2 of the type is of a size that cannot be inserted. This makes it possible to reduce the possibility of erroneous mounting of the non-conforming lamp 2 in the socket 3 for the first characteristic.

(3) Modification Example As a modification of the third embodiment, the lighting fixture 9 may include the lamp unit 1a according to the second embodiment instead of the lamp unit 1.

The lighting fixture 9 according to the above modification also has the same effect as the lighting fixture 9 according to the third embodiment.

The embodiments and modifications described above are only a part of various embodiments and modifications of the present disclosure. Further, the embodiments and modifications can be variously changed according to the design and the like as long as the object of the present disclosure can be achieved.

(Aspect)
The following aspects are disclosed herein.

The lamp unit (1; 1a; 1c) according to the first aspect includes a lamp (2; 2a; 2c) and a socket (3; 3a; 3c). The socket (3; 3a; 3c) can be fitted with a lamp (2; 2a; 2c). The lamp (2; 2a; 2c) includes a light source (4) and a lamp body (5; 5a; 5c). A light source (4) is arranged in the lamp body (5; 5a; 5c). The socket (3; 3a; 3c) has a socket body (8; 8a; 8c). The lamp body (5; 5a; 5c) has a first identification protrusion (56). The first identification convex portion (56) has a size corresponding to the allowable range of the first characteristic in the lamp (2; 2a; 2c). The socket body (8; 8a; 8c) has a first identification recess (84). The first identification concave portion (84) has a size into which the first identification convex portion (56) can be inserted. The first identification convex portion (56) becomes smaller as the allowable range of the first characteristic becomes larger. The first identification concave portion (84) is a first identification convex portion (1st identification convex portion) of a type of lamp that the socket (3; 3a; 3c) allows for the first characteristic among a plurality of types of lamps including the lamp (2; 2a; 2c). 56) is a size that can be inserted, and the first identification convex portion (56) of the type of lamp whose socket (3; 3a; 3c) is unacceptable for the first characteristic of the plurality of types of lamps cannot be inserted. Is the size of.

According to the lamp unit (1; 1a; 1c) according to the first aspect, there is a possibility that the incompatible lamp (2; 2a; 2c) may be erroneously mounted in the socket (3; 3a; 3c) for the first characteristic. Can be reduced.

The lamp unit (1b) according to the second aspect includes a lamp (2b) and a socket (3b). A lamp (2b) can be attached to the socket (3b). The lamp (2b) includes a light source (4) and a lamp body (5b). A light source (4) is arranged on the lamp body (5b). The socket (3b) has a socket body (8b). The lamp body (5b) has a first identification recess (56b). The first identification recess (56b) has a size corresponding to the allowable range of the first characteristic in the lamp (2b). The socket body (8b) has a first identification convex portion (84b). The first identification convex portion (84b) has a size that can be inserted into the first identification concave portion (56b). The first identification recess (56b) is larger as the permissible range of the first characteristic is larger. The first identification convex portion (84b) has a size that can be inserted into the first identification recess of the type of lamp that the socket (3b) allows for the first characteristic among the plurality of types of lamps including the lamp (2b). The first identification convex portion (84b) has a size that cannot be inserted into the first identification concave portion (56b) of the lamp of the type in which the socket (3b) is unacceptable for the first characteristic of the plurality of types of lamps.

According to the lamp unit (1b) according to the second aspect, it is possible to reduce the possibility of erroneous mounting of the non-conforming lamp (2b) in the socket (3b) for the first characteristic.

In the lamp unit (1; 1a; 1b; 1c) according to the third aspect, in the first or second aspect, the lamp (2; 2a; 2b; 2c) further includes a feeding pin (7). The power supply pin (7) is provided on the lamp body (5; 5a; 5b; 5c) and is a pin for receiving power supply. The socket body (8; 8a; 8b; 8c) has a feeding hole (83) into which the feeding pin (7) can be inserted.

According to the lamp unit (1; 1a; 1b; 1c) according to the third aspect, conduction between the lamp (2; 2a; 2b; 2c) and the socket (3; 3a; 3b; 3c) can be easily performed. Can be done.

In the lamp unit (1; 1a; 1c) according to the fourth aspect, in the first aspect, the lamp (2; 2a; 2c) includes a plurality of feeding pins (7). The lamp body (5; 5a; 5c) has a first installation portion (54; 54a). A plurality of feeding pins (7) are provided in the first installation portion (54; 54a). The socket body (8; 8a; 8c) has a plurality of feeding holes (83) so as to correspond to the plurality of feeding pins (7). The lamp (2; 2a; 2c) and the socket (3; 3a; 3c) are relatively rotated with the plurality of feeding pins (7) inserted into the plurality of feeding holes (83), respectively. , The lamp (2; 2a; 2c) is attached to the socket (3; 3a; 3c). The plurality of feeding pins (7) are provided in the first installation portion (54; 54a) so as to be point-symmetric with respect to the center (O1) of the first installation portion (54; 54a). The first identification convex portion (56) is provided in the region including the center (O1) on the center (O1) side of the plurality of feeding pins (7) in the first installation portion (54; 54a). ..

According to the lamp unit (1; 1a; 1c) according to the fourth aspect, the first identification convex portion (56) is provided at a position that does not hinder the rotation of the feeding pin (7) and the lamp (2; 2a; 2c). Therefore, it does not interfere with the rotation of the lamp (2; 2a; 2c) and does not require a new space for the first identification protrusion (56).

In the lamp unit (1; 1a; 1b) according to the fifth aspect, in the third or fourth aspect, the lamp body (5; 5a) further has a second identification recess (57; 58,59). The second identification recess (57; 58,59) corresponds to the second characteristic of the lamp (2; 2a; 2b). The socket body (8; 8a; 8b) further has a second identification protrusion (85; 86,87). The second identification convex portion (85; 86, 87) can be fitted into the second identification concave portion (57; 58, 59). The relative position (position angle θ1) between the second identification recess (57; 58, 59) and the feeding pin (7) in the lamp (2; 2a; 2b) differs depending on the second characteristic. The relative position (position angle θ2) between the second identification protrusion (85; 86,87) and the feeding hole (83) in the socket (3; 3a; 3b) is the socket (position angle θ2) for the second characteristic of the plurality of types of lamps. 3; 3a; 3b) depends on the type of lamp allowed.

According to the lamp unit (1; 1a; 1b) according to the fifth aspect, not only the first characteristic but also the second characteristic is incompatible with the socket (3; 3a; 3b) of the lamp (2; 2a; 2b). ) Can be reduced.

In the lamp unit (1; 1a; 1b) according to the sixth aspect, in the fifth aspect, the second identification recess (57; 58,59) is the peripheral portion (outer circumference) of the lamp body (5; 5a; 5b). It is provided at the end 541).

According to the lamp unit (1; 1a; 1b) according to the sixth aspect, the second identification recess (57; 58, 59) can be provided at a position that does not interfere with the arrangement of the feeding pin (7).

In the lamp unit (1; 1a; 1b) according to the seventh aspect, in the fifth or sixth aspect, the second identification recess (57; 58,59) has the third characteristic in the lamp (2; 2a; 2b). The larger the permissible range of, the larger. The second identification protrusion (85; 86,87) is a second identification recess (57; 58,59) of the type of lamp that the socket (3; 3a; 3b) allows for the third characteristic of the plurality of types of lamps. Inserted into the second identification recess (57; 58, 59) of a lamp of a type that is large enough to be inserted into the lamp and whose socket (3; 3a; 3b) is unacceptable for the third characteristic of the plurality of types of lamps. It is an impossible size.

According to the lamp unit (1; 1a; 1b) according to the seventh aspect, the socket (3) of the lamp (2; 2a; 2b) that is incompatible not only with respect to the first characteristic and the second characteristic but also with respect to the third characteristic. The possibility of erroneous mounting on 3a; 3b) can be reduced.

In the lamp unit (1c) according to the eighth aspect, in the third or fourth aspect, the lamp body (5c) further has a second identification convex portion (57c). The second identification protrusion (57c) corresponds to the second characteristic of the lamp (2c). The socket body (8c) further has a second identification recess (85c). The second identification concave portion (85c) can be fitted to the second identification convex portion (57c). The relative position of the second identification convex portion (57c) and the feeding pin (7) in the lamp (2c) differs depending on the second characteristic. The relative position of the second identification recess (85c) and the feeding hole (83) in the socket (3c) differs depending on the type of lamp that the socket (3c) allows for the second characteristic among the plurality of types of lamps.

In the lamp unit (1c) according to the ninth aspect, in the eighth aspect, the second identification convex portion (57c) is provided on the peripheral edge portion of the lamp main body (5c).

In the lamp unit (1c) according to the tenth aspect, in the eighth or ninth aspect, the second identification convex portion (57c) becomes smaller as the allowable range of the third characteristic in the lamp (2c) becomes larger. The second identification recess (85c) has a size in which the second identification convex portion (57c) of the type of lamp allowed by the socket (3c) for the third characteristic of the plurality of types of lamps can be inserted, and a plurality of them. The second identification convex portion (57c) of the type of lamp whose socket (3c) is unacceptable for the third characteristic of the type of lamp is of a size that cannot be inserted.

In the lamp unit (1; 1a; 1b; 1c) according to the eleventh aspect, in the seventh or tenth aspect, the first characteristic is the magnitude of the input power that can be input to the lamp (2; 2a; 2b; 2c). And, it is either whether or not the lamp (2; 2a; 2b; 2c) has a dimming function. The third characteristic is the magnitude of the input power and the rest of whether or not the lamp (2; 2a; 2b; 2c) has a dimming function.

According to the lamp unit (1; 1a; 1b; 1c) according to the eleventh aspect, regarding the characteristics having a large influence on the lamp (2; 2a; 2b; 2c) and the socket (3; 3a; 3b; 3c). The possibility of erroneous mounting can be reduced.

In the lamp unit (1; 1a; 1b; 1c) according to the twelfth aspect, in any one of the fifth to eleventh aspects, the second characteristic can be input to the lamp (2; 2a; 2b; 2c). The magnitude of the input voltage.

According to the lamp unit (1; 1a; 1b; 1c) according to the twelfth aspect, it is possible to reduce the occurrence of a problem that the input voltage of the lamp (2; 2a; 2b; 2c) is low.

In the lamp unit (1; 1a; 1b; 1c) according to the thirteenth aspect, in any one of the first to twelfth aspects, the first characteristic can be input to the lamp (2; 2a; 2b; 2c). The magnitude of the input power or whether or not the lamp (2; 2a; 2b; 2c) has a dimming function.

According to the lamp unit (1; 1a; 1b; 1c) according to the thirteenth aspect, regarding the characteristics having a large influence on the lamp (2; 2a; 2b; 2c) and the socket (3; 3a; 3b; 3c). The possibility of erroneous mounting can be reduced.

The lighting fixture (9) according to the fourteenth aspect includes a lamp unit (1; 1a; 1b; 1c) according to any one of the first to thirteenth embodiments, and a fixture main body (91). The instrument body (91) holds a socket (3; 3a; 3b; 3c).

According to the luminaire (9) according to the fourteenth aspect, in the lamp unit (1; 1a; 1b; 1c), the socket (3;) of the lamp (2; 2a; 2b; 2c) which is incompatible with the first characteristic. The possibility of erroneous mounting on 3a; 3b; 3c) can be reduced.

The lamp (2; 2a; 2c) according to the fifteenth aspect is a lamp that can be attached to the socket (3; 3a; 3c). The lamp (2; 2a; 2c) includes a light source (4) and a lamp body (5; 5a; 5c). A light source (4) is arranged in the lamp body (5; 5a; 5c). The lamp body (5; 5a; 5c) has an identification convex portion (first identification convex portion 56). The identification convex portion has a size corresponding to the allowable range of the specified characteristic (first characteristic) in the lamp (2; 2a; 2c). The identification convex portion becomes smaller as the allowable range of the specified characteristic becomes larger.

According to the lamp (2; 2a; 2c) according to the fifteenth aspect, the identification convex portion of the type of lamp allowed by the socket (3; 3a; 3c) for the specified characteristic (first characteristic) among the plurality of types of lamps. (1st identification convex portion 56) is a size that can be inserted, and the identification convex portion of a lamp of a type in which the socket (3; 3a; 3c) is unacceptable for a specified characteristic among a plurality of types of lamps is inserted. When used with a socket (3; 3a; 3c) having an unidentified size identification recess (first identification recess 84), the socket (3; The possibility of erroneous mounting on 3a; 3c) can be reduced.

The lamp (2b) according to the sixteenth aspect is a lamp that can be attached to the socket (3b). The lamp (2b) includes a light source (4) and a lamp body (5b). A light source (4) is arranged on the lamp body (5b). The lamp body (5b) has an identification recess (first identification recess 56b). The identification recess has a size corresponding to the allowable range of the specified characteristic (first characteristic) in the lamp (2b). The larger the allowable range of the specified characteristics is, the larger the identification recess is.

According to the lamp (2b) according to the sixteenth aspect, the identification recess (first identification recess 56b) of the type of lamp allowed by the socket (3b) for the specified characteristic (first characteristic) among the plurality of types of lamp is inserted. An identification convex portion (first identification convex portion) having a size that allows the above-mentioned identification concave portion of a lamp of a type that can be of a possible size and whose socket (3b) is unacceptable for a specified characteristic among a plurality of types of lamps is a size that cannot be inserted. When used with a socket (3b) having 84b), it is possible to reduce the possibility of erroneous mounting of a non-conforming lamp (2b) into the socket (3b) with respect to the specified characteristics.

The socket (3; 3a; 3c) according to the seventeenth aspect is a socket to which a lamp (2; 2a; 2c) can be mounted. The socket (3; 3a; 3c) comprises a socket body (8; 8a; 8c). The socket body (8; 8a; 8c) has an identification recess (first identification recess 84). The identification recess has a size into which the identification convex portion (first identification convex portion 56) of the lamp (2; 2a; 2c) can be inserted. The identification recess is large enough to insert the identification protrusion of the type of lamp that the socket (3; 3a; 3c) allows for the specified characteristics of the lamp among a plurality of types of lamps including the lamp (2; 2a; 2c). In addition, the identification convex portion of the lamp of the type in which the socket (3; 3a; 3c) is unacceptable for the specified characteristics among the plurality of types of lamps is of a size that cannot be inserted.

According to the socket (3; 3a; 3c) according to the seventeenth aspect, the lamp (2; 2a) having the smaller identification convex portion (first identification convex portion 56) as the allowable range of the specified characteristic (first characteristic) becomes larger. When used in conjunction with 2c), it is possible to reduce the possibility of erroneous mounting of a non-conforming lamp (2; 2a; 2c) into the socket (3; 3a; 3c) for the specified characteristics.

The socket (3b) according to the eighteenth aspect is a socket to which the lamp (2b) can be mounted. The socket (3b) comprises a socket body (8b). The socket body (8b) has an identification convex portion (first identification convex portion 84b). The identification convex portion has a size that can be inserted into the identification recess (first identification recess 56b) of the lamp (2b). The identification convex portion has a size that can be inserted into the identification concave portion of the type of lamp that the socket (3b) allows for the specified characteristic (first characteristic) of the lamp among a plurality of types of lamp including the lamp (2b). In addition, the socket (3b) of the plurality of types of lamps has a size that cannot be inserted into the identification recess of the unacceptable type of lamp for the specified characteristics.

According to the socket (3b) according to the eighteenth aspect, it is defined by being used together with a lamp (2b) having a larger identification recess (first identification recess 56b) as the allowable range of the specified characteristic (first characteristic) is larger. Regarding the characteristics, the possibility of erroneous mounting of the non-conforming lamp (2b) in the socket (3b) can be reduced.

The instrument body unit according to the 19th aspect includes the socket (3; 3a; 3b; 3c) of the 17th or 18th aspect and the instrument body (91). A socket (3; 3a; 3b; 3c) is attached to the instrument body (91).

According to the instrument body unit according to the nineteenth aspect, the socket (3;) of the lamp (2; 2a; 2b; 2c) which is incompatible with the specified characteristics by being used together with the lamp (2; 2a; 2b; 2c). It is possible to reduce the possibility of erroneous mounting on 3a; 3b; 3c).

1,1a, 1b,

1c Lamp unit

2,2a, 2b,

2c Lamp

3,3a, 3b, 3c Socket 4

Light source

5,5a, 5b, 5c Lamp body 56 First identification convex part 56b

First identification recess

57,58 , 59 2nd identification concave part 57c 2nd identification convex part 7

Feeding pin

8,8a, 8b, 8c Socket body 83 Feeding hole 84 1st identification concave part 84b 1st identification

convex part

85,86,87 2nd identification convex part 85c 2 Identification recess 9 Lighting equipment 91 Equipment body θ1, θ2 Position angle O1, O2 Center

Claims

With a lamp
With a socket to which the lamp can be mounted,
The lamp is
Light source and
The lamp body in which the light source is arranged is provided.
The socket is
Equipped with a socket body
The lamp body is
It has a first identification ridge having a size corresponding to the permissible range of the first characteristic in the lamp.
The socket body is
The first identification convex portion has a first identification concave portion having a size capable of being inserted, and has a first identification concave portion.
The first identification convex portion is smaller as the allowable range of the first characteristic is larger.
The first identification recess is
Among the plurality of types of lamps including the lamp, the first identification convex portion of the type of lamp allowed by the socket for the first characteristic is of a size that can be inserted.
Among the plurality of types of lamps, the first identification convex portion of the type of lamp whose socket is unacceptable for the first characteristic is of a size that cannot be inserted.
Lamp unit.
With a lamp
With a socket to which the lamp can be mounted,
The lamp is
Light source and
The lamp body in which the light source is arranged is provided.
The socket is
Equipped with a socket body
The lamp body is
It has a first identification recess having a size corresponding to the permissible range of the first characteristic in the lamp.
The socket body is
It has a first identification convex portion having a size that can be inserted into the first identification concave portion, and has a first identification convex portion.
The first identification recess is larger as the permissible range of the first characteristic is larger.
The first identification convex portion is
Of the plurality of types of lamps including the lamp, the size of the lamp that can be inserted into the first identification recess of the type of lamp that the socket allows for the first characteristic, and the size of the lamp can be inserted into the first identification recess.
Of the plurality of types of lamps, the socket is of a size that cannot be inserted into the first identification recess of a lamp of an unacceptable type for the first characteristic.
Lamp unit.
The lamp is
It is provided on the lamp body and is further provided with a power supply pin for receiving power supply.
The socket body is
It has a feeding hole into which the feeding pin can be inserted.
The lamp unit according to claim 1 or 2.
The lamp is
Equipped with multiple power supply pins
The lamp body is
It has a first installation unit provided with the plurality of power feeding pins.
The socket body is
It has a plurality of feeding holes so as to correspond to the plurality of feeding pins, and has a plurality of feeding holes.
The lamp is attached to the socket by relatively rotating the lamp and the socket in a state where the plurality of feeding pins are inserted into the plurality of feeding holes.
The plurality of feeding pins are provided in the first installation portion so as to be point-symmetrical with respect to the center of the first installation portion.
The first identification convex portion is provided in the region including the center on the center side of the plurality of feeding pins in the first installation portion.
The lamp unit according to claim 1.
The lamp body is
Further having a second identification recess corresponding to the second characteristic of the lamp
The socket body is
Further having a second identification convex portion that can be fitted into the second identification concave portion,
The relative position of the second identification recess and the feeding pin in the lamp depends on the second characteristic.
The relative position of the second identification protrusion and the feeding hole in the socket differs depending on the type of lamp that the socket allows for the second characteristic among the plurality of types of lamps.
The lamp unit according to claim 3 or 4.
The second identification recess is provided on the peripheral edge of the lamp body.
The lamp unit according to claim 5.
The second identification recess is larger as the allowable range of the third characteristic in the lamp is larger.
The second identification convex portion is
Of the plurality of types of lamps, the size of the lamp that can be inserted into the second identification recess of the type of lamp that the socket allows for the third characteristic, and
Of the plurality of types of lamps, the socket is of a size that cannot be inserted into the second identification recess of the lamp of an unacceptable type for the third characteristic.
The lamp unit according to claim 5 or 6.
The lamp body is
Further, it has a second identification convex portion corresponding to the second characteristic in the lamp, and has a second identification convex portion.
The socket body is
Further having a second identification concave portion that can be fitted to the second identification convex portion,
The relative position of the second identification protrusion and the feeding pin in the lamp depends on the second characteristic.
The relative position of the second identification recess and the feeding hole in the socket differs depending on the type of lamp that the socket allows for the second characteristic among the plurality of types of lamps.
The lamp unit according to claim 3 or 4.
The second identification convex portion is provided on the peripheral edge portion of the lamp body.
The lamp unit according to claim 8.
The second identification convex portion is smaller as the allowable range of the third characteristic in the lamp is larger.
The second identification recess is
Of the plurality of types of lamps, the second identification convex portion of the type of lamp allowed by the socket for the third characteristic is of a size that can be inserted.
Of the plurality of types of lamps, the second identification convex portion of the type of lamp whose socket is unacceptable for the third characteristic is of a size that cannot be inserted.
The lamp unit according to claim 8 or 9.
The first characteristic is either the magnitude of the input power that can be input to the lamp and whether or not the lamp has a dimming function.
The third characteristic is the magnitude of the input power and the remainder of whether or not the lamp has a dimming function.
The lamp unit according to claim 7 or 10.
The second characteristic is the magnitude of the input voltage that can be input to the lamp.
The lamp unit according to any one of claims 5 to 11.
The first characteristic is the magnitude of the input power that can be input to the lamp, or whether or not the lamp has a dimming function.
The lamp unit according to any one of claims 1 to 12.
The lamp unit according to any one of claims 1 to 13, and the lamp unit.
A device body that holds the socket, and a device that holds the socket.
lighting equipment.
A lamp that can be attached to a socket
Light source and
The lamp body in which the light source is arranged is provided.
The lamp body is
It has an identification protrusion having a size corresponding to the allowable range of the specified characteristics in the lamp, and has an identification convex portion.
The identification convex portion is smaller as the allowable range of the specified characteristic is larger.
lamp.
A lamp that can be attached to a socket
Light source and
The lamp body in which the light source is arranged is provided.
The lamp body is
It has an identification recess with a size corresponding to the permissible range of specified characteristics of the lamp.
The identification recess is larger as the permissible range of the specified characteristics is larger.
lamp.
It is a socket to which a lamp can be attached.
Equipped with a socket body
The socket body is
The identification convex portion of the lamp has an identification concave portion having a size capable of being inserted, and has an identification concave portion.
The identification recess is
Of the plurality of types of lamps including the lamp, the identification convex portion of the type of lamp allowed by the socket with respect to the specified characteristics of the lamp is of a size that can be inserted.
Among the plurality of types of lamps, the identification convex portion of the type of lamp whose socket is unacceptable for the specified characteristics is of a size that cannot be inserted.
socket.
It is a socket to which a lamp can be attached.
Equipped with a socket body
The socket body is
It has an identification convex portion having a size that can be inserted into the identification concave portion of the lamp, and has an identification convex portion.
The identification convex portion is
Of the plurality of types of lamps including the lamp, the size is such that the lamp can be inserted into the identification recess of the type of lamp that the socket allows for the specified characteristics of the lamp.
Of the plurality of types of lamps, the socket is of a size that cannot be inserted into the identification recess of an unacceptable type of lamp for the specified characteristics.
socket.
With the socket according to claim 17 or 18.
It comprises an instrument body to which the socket is attached.
Instrument body unit.