WO2017211163A1

WO2017211163A1 - Adapter and lighting device

Info

Publication number: WO2017211163A1
Application number: PCT/CN2017/084366
Authority: WO
Inventors: 李相兰; 刘泽玉; 王洪波
Original assignee: 欧普照明股份有限公司
Priority date: 2016-06-06
Filing date: 2017-05-15
Publication date: 2017-12-14
Also published as: CN105889782B; CN105889782A

Abstract

An adapter (100) is provided, and is used for connecting at least two linear lights (300) in a lighting device (200). The adapter (100) comprises: a first connecting member (1), comprising a first insulated housing, a first translucent cover (13) mounted on the first insulated housing, a first light source assembly (15) disposed in the first insulated housing and the first translucent cover (13), and a first connector (16) extending out of the first insulated housing; a second connecting member (2), comprising a second insulated housing, a second translucent cover (23) mounted on the second insulated housing, a second light source assembly (25) disposed in the second insulated housing and the second translucent cover (23), and a second connector (26) extending out of the second insulated housing; and a drive power assembly (14), disposed in the first connecting member (1) or the second connecting member (2) and electrically connected to the first light source assembly (15) and the second light source assembly (25). A lighting device (200) is provided. The adapter (100) can emit light independently, thereby eliminating the defect of a lighting device in which a joint between adjacent linear lights is dark due to an adapter.

Description

Adapter, lighting device

Technical field

The present invention relates to the field of lighting technologies, and in particular, to an adapter for linear lamp switching in a lighting device, and a lighting device.

Background technique

Existing lighting devices, such as LED lamps, are increasingly popular with energy saving, environmental protection, and longevity, and can be applied to various occasions such as office and living. In order to achieve the expansion of the indoor lighting range, or to meet the needs of indoor lighting in different locations, or to meet the interior decoration effect, the LED lamp may include several LED linear lights and several turns connecting two adjacent LED linear lights of several LED linear lights. Connector. The traditional linear lamp adapter is generally made of opaque plastic. When two LED linear lamps are connected, they need to be connected through the adapter. Although the overall illumination range of the LED lamp increases, due to the existence of the adapter, it will also cause The dark area between the LED linear light and the LED linear light creates a continuous line of illumination, which also affects the aesthetics and decorative effects of the light.

Summary of the invention

SUMMARY OF THE INVENTION An object of the present invention is to solve the above problems and to provide an adapter for use in a lighting device, which can realize a lighting effect without a dark area and a continuous line shape of the lighting device.

To achieve the above object, the present invention provides a adapter for switching between at least two linear lamps in a lighting device, comprising:

The first adapter includes a first insulating housing, a first transparent cover assembled on the first insulating housing, a first light source assembly disposed in the first insulating housing and the first transparent cover, and an extension a first connector of the first insulative housing;

The second adapter includes a second insulating housing, a second transparent cover assembled on the second insulating housing, a second light source assembly disposed in the second insulating housing and the second transparent cover, and an extension a second connector of the second insulative housing;

And a driving power component, which can be disposed in the first or second adapter and electrically connected to the first and second light source components.

Further, the first adapter and the second adapter are pivotally connected.

Further, the adapter further includes a connector, and the connector connects the first adapter and the second adapter.

Further, the driving power component is integrated with the first or second light source component to form a photoelectric Integrated module.

Further, the first insulative housing includes a first base and a first base fixedly connected to the first base, and the driving power component is located between the first base and the first base, the first A light transmissive cover is coupled to the first base, and the first light source assembly is located between the first base and the first light transmissive cover.

Further, the first base is provided with a first support member that receives the first light source assembly and a first buckle arm that positions the first light source assembly to the first support member.

Further, the first adapter further includes a plurality of positioning members connecting the first base and the first base.

Further, the first transparent cover is detachably connected to the first base, and the first transparent cover is provided with a first fastening portion that is buckledly connected to the first base.

Further, the second insulative housing includes a second base and a second base fixedly coupled to the second base, and the second transmissive cover is coupled to the second base, the second light source assembly Located between the second base and the second transparent cover.

Further, the second base is provided with a second support member for receiving the second light source assembly and a second fastening arm for positioning the second light source assembly with the second support member.

Further, the second adapter further includes a plurality of positioning members connecting the second base and the second base.

Further, one end of the first insulative housing is provided with a first pivoting portion, and one end of the second insulative housing is provided with a second pivoting portion that cooperates with the first pivoting portion, A pivoting portion and the second pivoting portion are rotatable relative to each other, and the connecting member connects the first pivoting portion and the second pivoting portion.

Further, the connecting member includes a flat plate and a holding arm extending from the flat plate, the flat plate abuts an upper surface of the second pivoting portion, and the holding arm passes through the second pivoting portion And being connected to the first pivoting portion.

Further, the first pivoting portion is provided with a protruding portion, and the second pivoting portion is provided with a groove, and the protruding portion is rotatably received in the groove.

SUMMARY OF THE INVENTION An object of the present invention is to solve the above problems and to provide an illumination device capable of realizing a wide range and continuous illumination.

To achieve the above object, the present invention provides a lighting device comprising: a plurality of linear lamps and a adapter as described in the above summary, the adapter connecting the plurality of linear lamps.

Compared with the prior art, the adapter provided by the embodiment of the present invention can be applied to a lighting device, and two ends can be respectively connected with a linear lamp, and the adapter includes a driving power component and a first light source electrically connected to the driving power component. a component and a second light source component, and a first connector and a second connector connected to the driving power component, wherein the adapter passes through the first connector because the adapter comprises a driving power component, the first and second light source components After the power is turned on, the driving power component can drive the first and second light source components in the adapter to emit light. Since the adapter can independently emit light, the existing lighting device overcomes the defect of the dark area at the connection of the adjacent linear lamps due to the existence of the adapter, so that the lighting device can maintain the illumination continuity while increasing the illumination range. .

DRAWINGS

The drawings described herein are intended to provide a further understanding of the invention, and are intended to be a part of the invention. In the drawing:

1 is an assembled, isometric view of a adapter according to a first embodiment of the present invention;

Figure 2 is a schematic view of another angle of Figure 1;

Figure 3 is a partial perspective assembly view of the adapter shown in Figure 1;

Figure 4 is an assembled, isometric view of another portion of the adapter of Figure 1;

Figure 5 is an exploded view of the adapter shown in Figure 1;

Figure 6 is a partial perspective assembled view of the adapter shown in Figure 2;

Figure 7 is an exploded view of the adapter shown in Figure 2;

Figure 8 is a cross-sectional view taken along line A-A of Figure 1;

Figure 9 is a cross-sectional view taken along line B-B of Figure 1;

Figure 10 is an exploded view of the first connector in the adapter of Figure 1;

Figure 11 is an exploded view of the second connector in the adapter of Figure 1;

FIG. 12 is an assembled, isometric view of a lighting device according to a second embodiment of the present invention; FIG.

Figure 13 is a schematic view of another angle of Figure 12;

Figure 14 is an exploded view of Figure 12;

Figure 15 is a perspective view of a linear lamp in a lighting device according to a second embodiment of the present invention;

Figure 16 is a partial exploded perspective view of Figure 15;

Figure 17 is an exploded perspective view of another angle of Figure 16.

detailed description

The technical solutions of the present invention will be clearly and completely described in conjunction with the specific embodiments of the present invention and the accompanying drawings. It is apparent that the described embodiments are only a part of the embodiments of the invention, and not all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

As shown in Figures 1 through 11, a first embodiment of the present invention provides a adapter 100 for use in switching between at least two linear lamps within a lighting device.

As shown in FIG. 12 to FIG. 14 , a second embodiment of the present invention provides a lighting device 200 including a plurality of linear lamps 300 and a plurality of adapters 100 connecting adjacent two linear lamps 300 through a plurality of adapters. 100. A plurality of linear lamps 300 are connected in a closed loop to form a lighting device 200. In the present embodiment, the linear lamp 300 may be an LED T5 type lamp. Of course, in other alternative embodiments, the linear lamp 300 can also be a linear lamp such as a stand lamp or a wall washer.

As shown in FIGS. 15 to 17, the linear lamp 300 includes a lamp body 1a having a hollow tubular shape, a light source unit 5a housed in the lamp body 1a and electrically connected to each other, and a driving power source unit 4a, and two assembled at both ends of the lamp body 1a. The third connector 2a. The two third connectors 2a respectively seal the two ends of the lamp body 1a while being electrically connected to the driving power source assembly 4a, respectively. The third connectors 2a are all socket connectors.

The structure of the adapter 100 provided by the first embodiment of the present invention will be specifically described below.

As shown in FIGS. 1 to 11, the adapter 100 provided by the first embodiment of the present invention can be applied to the illumination device 200. Specifically, the adapter 100 includes a first adapter 1 , a second adapter 2 electrically connected to the first adapter 1 , and mechanically connects the first adapter 1 and the second adapter 2 Connector 3. The first adapter 1 and the second adapter 2 in the adapter 100 can be rotated between 0 and 180 degrees.

The structure of each element in the first adapter 1 and the connection relationship between them will be specifically described below.

As shown in FIGS. 1 to 9, the first adapter 1 includes a first base 11, a first base 12 connected to one side of the first base 11, and a first base connected to the other side of the first base 11. a light transmissive cover 13 , a driving power source assembly 14 between the first base 11 and the first base 12 , a first light source assembly 15 fixed on the first base 11 and electrically connected to the driving power source assembly 14 , and positioning The first connector 16 is connected between the first base 11 and the first base 12 and electrically connected to the driving power source assembly 14 . The first light source assembly 15 is located between the first transparent cover 13 and the first base 11 . The first pedestal 11 , the first pedestal 12 , and the first transparent cover 13 are stacked together in the up and down direction. The first pedestal 11 and the first pedestal 12 are connected to be referred to as the first of the first Adapter 1 . Insulated housing. The first connector 16 extends out of one end of the first insulative housing for connecting the linear lamp 300 within the illumination device 200. Of course, in other alternative embodiments, the first insulative housing is an integrally formed unit having an accommodating space therein.

As shown in FIGS. 3 to 5, 7, and 8, the first susceptor 11 is made of an insulating material and has a substantially rectangular frame shape. The first base 11 includes a side wall 111 having a rectangular frame shape, a first support member 112 extending inwardly from the inner surface of the side wall 111, and two opposite first buckle arms extending inwardly from the inner surface of the side wall 111. 113. The first support member 112 in the side wall 111 can be used to support the first light source assembly 15, and the two first fastening arms 113 are used to position the first light source assembly 15 on the first support member 112. The first support member 112 is provided with a plurality of first through holes 114. The side wall 111 is further provided with two positioning blocks (not labeled) for connecting with the first transparent cover 13 , and two positioning blocks may be disposed on the left and right sides of the side wall 111 .

As shown in FIGS. 5 to 9, the first base 12 is made of an insulating material and includes a first body portion 121 and a first pivot portion 122 on a side of the first body portion 121.

The first main body portion 121 is provided with a receiving slot 1211 for receiving the driving power source assembly 14. The first main body portion 121 further includes a plurality of first positioning posts 1212 located in the receiving slot 1211. Each of the first positioning posts 1212 has a first positioning hole 1213 therein, and the first positioning hole 1213 corresponds to the first through hole 114 on the first support member 112 of the first base 11.

The first pivoting portion 122 includes a base portion 1221 and a protruding portion 1222 extending upward from the base portion 1221. The base portion 1221 of the first pivoting portion 122 is provided with two second through holes 1223. The inner wall of each of the second through holes 1223 is provided with a wedge-shaped positioning block 1224. Two third through holes 123 are defined in the joint of the first main body portion 121 and the first pivot portion 122 of the first base 12, and the inner wall of each of the third through holes 123 is also provided with a bump (not shown). .

As shown in FIG. 3 to FIG. 7 , the first adapter 1 further includes a plurality of first through holes 114 that can pass through the first support member 112 of the first base 11 and are received in the first positioning of the first base 12 . The positioning member 9 in the first positioning hole 1213 of the column 1212. Preferably, the positioning member 9 can be a screw, and the first positioning hole 1213 is a threaded hole. When first After the base 11 and the first base 12 are fixedly connected by the positioning member 9, the driving power supply assembly 14 is located in a receiving space (not labeled) surrounded by the first base 11 and the first base 12 . The first connector 16 is sandwiched between the first base 11 and the first base 12 and extends from a side of the first base 11 and the first base 12 to form a first insulating housing.

As shown in FIGS. 3 to 8, the first light transmissive cover 13 is made of an insulating material and has light transmissivity. The first translucent cover 13 is snap-connected to the first base 11 . A first latching portion 131 is respectively disposed at each end of the first transparent cover 13 . Specifically, the first fastening portion 131 can be snap-fitted with a positioning block (not labeled) on the first base 11 to fix the first transparent cover 13 to the first base 11 .

As shown in FIG. 4 to FIG. 8 , the driving power module 14 is received in the receiving slot 1211 of the first base 12 , and includes a substrate 141 and one or more mounted on the substrate 141 and electrically connected by the wiring in the substrate 141 . Several components (not labeled) that are connected together, examples of which include, but are not limited to, LED driver controller chips, rectifier chips, resistors, capacitors, fuses, and coils. The above components may be disposed on one side of the substrate 141 or on the upper and lower sides. These components can be mounted on the substrate 141 by means of a patch or in-line.

As shown in FIG. 4, FIG. 5 and FIG. 8, the first light source assembly 15 is disposed on the first support member 112 of the first base 11, and passes through the first latching arm 113 on the first base 11, the first light source. The assembly 15 is positioned on the first support 112. The first light source assembly 15 includes a substrate 151 and a plurality of LED light emitting units 152 disposed on the substrate 151. The driving power source assembly 14 and the first light source assembly 15 can be electrically connected by a wire 17, and the driving power source assembly 14 drives the first light source component 15 to emit light.

As shown in FIGS. 5-7 and 10, the first connector 16 is a power input terminal, and the adapter 100 can receive an external power source through the first connector 16 and supply power to the driving power source assembly 14. The first connector 16 includes a first insulative housing 161 , two first conductive terminals 162 received in the first insulative housing 161 , and wires 163 electrically connected to the two first conductive terminals 162 . The wire 163 on the first connector 16 is electrically connected to the substrate 141 of the driving power source assembly 14.

As can be seen from the above description, after the first adapter 1 receives power through the first connector 16, the first light source component 15 in the first adapter 1 can emit light.

The structure of each component in the second adapter 2 and the connection relationship between them will be specifically described below.

As shown in FIG. 1 to FIG. 9 , the second adapter 2 includes a second base 21 , a second base 22 connected to the second base 21 , and a second transparent cover 23 connected to the second base 21 . a second light source assembly 25 fixed on the second base 21 and electrically connected to the driving power source assembly 14 in the first adapter 1 , positioned between the second base 21 and the second base 22 and driven The second connector 26 is electrically connected to the substrate 141 of the power supply assembly 14. The second base 21, the second base 22, and the second transparent cover 23 are stacked together in the up and down direction, and the second base 21 and the second base 22 are connected to be referred to as a second second adapter 2 Insulated housing. The second connector 26 extends out of one end of the second insulative housing for connecting the linear lamp 300 within the illumination device 200. The second connector 26 is electrically connected to the first connector 16 through the substrate 141 of the driving power source assembly 14, thereby realizing the transmission of the power source.

As shown in FIGS. 4 to 7 and 9, the second base 21 is made of an insulating material and has a substantially rectangular frame shape. The second base 21 includes a substantially rectangular frame-shaped side wall 211, a second support member 212 extending inwardly from the inner surface of the side wall 211, and two opposite second buckles extending inwardly from the inner surface of the side wall 211. Arm 213. The second support 212 in the side wall 211 can be used to support the second light source assembly 25, and the second second support arms 213 are used to position the second light source assembly 25 on the second support 212. The second support member 212 is provided with a plurality of fourth through holes 214. The side wall 211 is further provided with two positioning blocks (not labeled) for connecting with the second transparent cover 23, and the positioning blocks may be disposed on the left and right sides of the side wall 211. One side of the side wall 211 of the second base 21 has an arc shape and is in contact with the side wall 111 of the first base 11.

As shown in FIGS. 5 to 7 and 9, the second base 22 is made of an insulating material and includes a second main body portion 221 and a second pivoting portion 222 on the side of the second main body portion 221 .

The second main body portion 221 is provided with a receiving groove 2211. The second main body portion 221 is further provided with a plurality of second positioning posts 2212 located in the receiving groove 2211. Each of the second positioning posts 2212 has a second positioning hole 2213 therein, and the second positioning hole 2213 corresponds to the fourth through hole 214 of the second support member 212 of the second base 21 .

The second pivoting portion 222 has an annular shape, the upper surface of which is stepped, and the lower surface thereof is provided with an annular groove 2221. The protruding portion 1222 of the first pivoting portion 122 is rotatably received in the recess 2221 of the second pivoting portion 222. Thus, the first pivoting portion 122 can pass between the first base 12 and the second base 22 And the second pivoting portion 222 is rotated relative to each other.

As shown in FIG. 3 to FIG. 7 , the second adapter 2 further includes a plurality of second positioning holes 214 that can pass through the fourth through holes 214 of the second support member 212 of the second base 21 and are received in the second base 22 . The positioning member 9 in the second positioning hole 2213 of the 2212. Preferably, the positioning member 9 can be a screw. A fixed connection between the second base 21 and the second base 22 is achieved by the positioning member 9. The second connector 26 is sandwiched between the second base 21 and the second base 22 and extends from one end of the second insulating housing formed by the second base 21 and the second base 22 .

As shown in FIGS. 1 to 9, the second light transmissive cover 23 is made of an insulating material and has light transmissivity. The second translucent cover 23 is snap-connected to the second base 21 . A second latching portion 231 is respectively disposed at two ends of the second transparent cover 23 . Specifically, the second fastening portion 231 can be snap-fitted with a positioning block (not labeled) on the second base 21 to fix the second transparent cover 23 to the second base 21 .

As shown in FIG. 3 to FIG. 5 and FIG. 9 , the second light source assembly 25 is disposed on the second support member 212 of the second base 21 , and passes through the second latching arm 213 on the second base 21 , and the second light source. The assembly 25 is positioned on the second support 212. The second light source assembly 25 includes a substrate 251 and a plurality of LED light emitting units 252 disposed on the substrate 251. The electrical connection between the driving power component 14 and the second light source component 25 can be made by the wire 18, and the driving power component 14 drives the second light source component 25 to emit light.

As shown in FIGS. 3-6 and 11, the second connector 26 is a power output, and the adapter 100 can provide the received external power source to the linear lamp 300 of the illumination device 200 through the second connector 26. The second connector 26 includes a second insulative housing 261 , two second conductive terminals 262 received in the second insulative housing 261 , and wires 263 electrically connected to the two second conductive terminals 262 . The wire 263 on the second connector 26 is electrically connected to the substrate 141 of the driving power source assembly 14.

It can be seen from the above description that after the second adapter 2 receives the power through the first connector 16, the driving power component 14 can drive the second light source component 25 in the second adapter 2 to emit light.

As shown in FIG. 5 to FIG. 7 and FIG. 9 , the connecting member 3 connecting the first base 12 of the first adapter 1 and the second base 22 of the second adapter 2 is integrally formed of an insulating material. A flat plate 31 and two holding arms 32 extending downward from the lower surface of the flat plate 31 are included. The latching arm 32 passes through the second pivoting portion 222 and the second through hole 1223 of the first pivoting portion 122 and is in a snap-fit connection with the positioning block 1224 in the second through hole 1223. The flat plate 31 is abutted against the upper surface of the second pivoting portion 222. Through the connecting member 3, the first pivoting portion 122 and the second pivoting portion 222 are connected together without affecting the rotational movement between the two, so that the first adapter 1 and the second adapter 2 can be Rotate each other. Since the first adapter 1 and the second adapter 2 can rotate with each other, the adapter 100 can adjust the first adapter 1 and the second adapter 2 according to the configuration requirements of the illumination device 200. The angle between the angles.

Further, as shown in FIG. 5 to FIG. 7 and FIG. 9, the adapter 100 further includes a cover 4 assembled to the connecting member 3, the cover 4 having a circular shape and being combined with the first base 11 and the second base The sides of 21 are in contact. The cover plate 4 is assembled to the upper surface of the second pivoting portion 222 of the second base 22. The wire 18 is electrically connected to the second light source assembly 25 through the second pivoting portion 222 of the second base 22 . The wire 263 of the second connector 26 also passes through the second pivoting portion 222 to be electrically connected to the substrate 141 of the driving power source assembly 14.

As shown in FIG. 2 and FIG. 5 to FIG. 7, the adapter 100 further includes a cable clamp 5 which is substantially U-shaped and includes two latching arms 51, and the two latching arms 51 extend into The two third through holes 123 in the first base 12 are engaged with the bumps on the inner wall surface of the third through hole 123, so that the inside of the adapter 100 The

wires

18, 263 can be well finished and limited.

The adapter 100 provided by the first embodiment of the present invention can be applied to the illumination device 200 provided by the second embodiment of the present invention. Two linear lamps 300 can be respectively connected to the two ends. The adapter 100 includes a driving power component 14 and a driving power component. 14 electrically connected first light source component 15 and second light source component 25, and first connector 16 and second connector 26 connected to the driving power supply component 14, since the adapter 100 includes the driving power component 14, first and The second

light source assemblies

15, 25 are such that after the adapter 100 is powered through the first connector 6, the first and second

light source assemblies

15, 25 in the adapter 100 are illuminated. Since the adapter 100 can independently emit light, the existing lighting device overcomes the defect of the dark area at the connection of the adjacent linear lamps due to the existence of the adapter, so that the lighting device 200 can maintain the illumination while increasing the illumination range. Continuity. Meanwhile, since the rotation angle between the first adapter 1 and the second adapter 2 in the adapter 100 can be arbitrarily adjusted between 0 and 180 degrees, the illumination device 200 can be in a closed configuration.

The specific embodiments of the present invention have been described in detail with reference to the preferred embodiments of the present invention. All modifications, equivalents, improvements, etc., made within the spirit and scope of the invention are intended to be included within the scope of the invention.

Claims

An adapter for use in switching between at least two linear lamps within a lighting device, wherein:

The first adapter includes a first insulating housing, a first transparent cover assembled on the first insulating housing, a first light source assembly disposed in the first insulating housing and the first transparent cover, and an extension a first connector of the first insulative housing;

The second adapter includes a second insulating housing, a second transparent cover assembled on the second insulating housing, a second light source assembly disposed in the second insulating housing and the second transparent cover, and an extension a second connector of the second insulative housing;

And a driving power component, which can be disposed in the first or second adapter and electrically connected to the first and second light source components.
The adapter of claim 1 wherein said first adapter and said second adapter are pivotally coupled.
The adapter of claim 2, wherein the adapter further comprises a connector that connects the first adapter and the second adapter.
The adapter of any of claims 1 to 3, wherein the drive power assembly is integrated with the first or second light source assembly to form a photovoltaic integrated module.
The adapter according to any one of claims 1 to 3, wherein the first insulative housing comprises a first base and a first base fixedly coupled to the first base, the drive power assembly being located Between the first base and the first base, the first transparent cover is connected to the first base, and the first light source assembly is located between the first base and the first transparent cover.
The adapter of claim 5, wherein the first base is provided with a first support member that receives the first light source assembly and a first position that positions the first light source assembly to the first support member One buckle arm.
The adapter of claim 6 wherein said first adapter further includes a plurality of locating members that connect said first base to said first base.
The adapter of claim 7, wherein the first transparent cover is detachably coupled to the first base, and the first transparent cover is provided with the first base The first fastening portion of the connection.
The adapter of claim 5, wherein the second insulative housing comprises a second base and a second base fixedly coupled to the second base, the second transmissive cover and the second base The second light source assembly is located between the second base and the second light transmissive cover.
The adapter of claim 9 wherein said second base is provided with a second support member for receiving said second light source assembly and said second second light source assembly for positioning said second support member Two buckle arms.
The adapter of claim 10 wherein said second adapter further comprises a plurality of locating members for attaching said second base to said second base.
The adapter according to claim 3, wherein one end of the first insulating housing is provided with a first pivoting portion, and one end of the second insulating housing is provided with the first pivoting portion The second pivoting portion is rotatable between the first pivoting portion and the second pivoting portion, and the connecting member connects the first pivoting portion and the second pivoting portion.
The adapter of claim 12, wherein the connector comprises a flat plate and a latching arm extending from the flat plate, the flat plate abutting an upper surface of the second pivoting portion, the latching arm Passing through the second pivoting portion and engaging with the first pivoting portion.
The adapter according to claim 13, wherein said first pivoting portion is provided with a projection, said second pivoting portion is provided with a groove, said projection being rotatably received in said concave portion Inside the slot.
A lighting device, comprising: a plurality of linear lamps and a adapter according to any one of claims 1 to 3, said adapters connecting said plurality of linear lamps.