CN112265499A

CN112265499A - Automotive interior ceiling lamp device

Info

Publication number: CN112265499A
Application number: CN202011023134.7A
Authority: CN
Inventors: 廖本江; 欧灿
Original assignee: Shenzhen Oufengda Technology Co ltd
Current assignee: Shenzhen Oufengda Technology Co ltd
Priority date: 2020-09-25
Filing date: 2020-09-25
Publication date: 2021-01-26

Abstract

The application relates to an automotive interior dome lamp device, which comprises a ceiling, wherein a strip plate is fixedly arranged on the ceiling, three trapezoidal grooves are formed in the strip plate, a trapezoidal block slides in the middle trapezoidal groove, sliding strips slide in the trapezoidal grooves on two sides, a round convex block is fixed on the trapezoidal block, a first reading lamp is installed on the round convex block, a rack is fixedly connected with the sliding strips, the trapezoidal block is provided with a gear rotatably connected with the round convex block, and a plurality of second reading lamps are installed on the rack; when the light of the front row and the light of the rear row are weak, the racks on the two sides rotate reversely through the rotating gear, and the reading lamps on the racks on the two sides illuminate the front row and the rear row in two pairs, so that the illumination range is convenient to adjust.

Description

Automotive interior ceiling lamp device

Technical Field

The application relates to the field of automotive interior components, in particular to an automotive interior dome lamp device.

Background

At present, in an interior component of an automobile, a top lamp is an automobile part for interior illumination, most of reading lamps and atmosphere lamps in the top lamp of the interior of the automobile are used, and when light rays in the automobile are insufficient, the reading lamps can provide enough brightness for passengers, can realize a small part of illumination functions, are convenient for reading in the automobile, are usually used when the automobile is parked, and cannot influence the normal driving of a driver; the atmosphere lamp is a decorative lamp for creating atmosphere, and along with the gradual improvement of people to living quality, the atmosphere lamp is used as the accessory of automotive interior for dry by the fire and hold in the palm car internal environment atmosphere, and the car owner can set for the colour, the luminance of atmosphere lamp as required, has good experience effect. In the prior art, reading lamps are generally positioned above a driver seat and a copilot seat, and some automobiles are also provided with the reading lamps above a rear seat.

To the correlation technique among the above-mentioned, the inventor thinks that, the reading lamp generally is the mounting, and the position can't be removed, and the illumination zone can not be adjusted, and to some higher people of height in the use, the head can shelter from the reading lamp, influences the result of use of reading lamp for there is certain limitation in the use of reading lamp.

Disclosure of Invention

In order to conveniently adjust the illumination range of the reading lamp, the application provides an automotive interior ceiling lamp device.

The application provides an automotive interior dome lamp device adopts following technical scheme:

the utility model provides an automotive interior dome lamp device, which comprises a ceiling, the terminal surface has set firmly the bar board under the ceiling, three dovetail groove has been seted up along length direction to the terminal surface under the bar board, middle dovetail groove sliding connection has the trapezoidal piece, the dovetail groove sliding connection of both sides has the draw runner, the trapezoidal piece deviates from the circular lug of terminal surface middle part fixedly connected with of bar board, circular lug mid-mounting has reading lamp one, the draw runner deviates from the terminal surface fixedly connected with rack of bar board, the terminal surface that the trapezoidal piece deviates from the bar board is equipped with rotates the gear of being connected with circular lug, two racks all mesh with the gear mutually, a plurality of reading lamp two are installed along length direction to the terminal surface that the rack deviates from the bar board, the cross slot has all been seted up at the both ends that the ceiling is close to dovetail groove.

By adopting the technical scheme, when the automotive interior ceiling lamp device is used and the light at one position of the front row or the rear row is weak, the gear is locked with the racks at the two sides by moving the trapezoidal block, the racks at the two sides slide synchronously with the trapezoidal block, the trapezoidal block slides towards the two ends of the trapezoidal groove, and the reading lamp I and the reading lamps II illuminate simultaneously, so that the illumination brightness of the front row or the rear row is improved, the illumination range is improved, and the illumination range is adjusted more conveniently; when the light of the front row and the light of the rear row are weak, the gear can be rotated through the rotating gear, then the racks on the two sides rotate reversely, the reading lamps on the racks on the two sides can illuminate the front row and the rear row simultaneously, the multiple applicability of the reading lamps I and the reading lamps II is improved, and the illumination range is adjusted conveniently.

Optionally, be equipped with locking Assembly in the trapezoidal piece, locking Assembly includes along the locking chamber that thickness direction set up, with locking intracavity wall sliding connection's solid fixed ring, fixed connection in the check lock pole at solid fixed ring middle part, the both ends fixedly connected with stationary blade in locking chamber, be equipped with a plurality of springs between stationary blade and the solid fixed ring, the both ends of spring respectively with stationary blade and solid fixed ring fixed connection, two stationary blades middle parts set up with the through-hole one of check lock pole looks adaptation, check lock pole length is greater than locking chamber length, middle trapezoidal groove is seted up a plurality of through-holes two with check lock pole looks adaptation along length direction.

Through adopting above-mentioned technical scheme, when the spring was under natural state, the check lock bar inserted in the through-hole two, when adjusting the position of trapezoidal piece, with the check lock bar to keeping away from two one end pulling of through-hole, the spring was compressed this moment, readjusts the trapezoidal piece and slides in the trapezoidal groove, loosens the check lock bar when adjusting suitable position, and the check lock bar inserts in the through-hole two that correspond, and then realizes the regulation and the fixing of trapezoidal piece position, and it is comparatively convenient to adjust illumination zone.

Optionally, the both sides fixedly connected with right angle baffle of strip shaped plate, the right angle baffle set up with the strip groove of reading lamp looks adaptation, the right angle baffle is close to the terminal surface fixedly connected with sand grip of rack, the rack set up with sand grip sliding connection's spout.

By adopting the technical scheme, the right-angle baffle is arranged, so that the gear and the racks on two sides can be conveniently shielded, and the gear and the racks can be protected; the second reading lamp extends out of the strip-shaped groove, so that the normal lighting effect of the second reading lamp is ensured; the convex strips are connected with the sliding grooves in a sliding mode, the moving of the racks is guided, and the using effect of the second reading lamp is convenient to guarantee.

Optionally, the middle part of the sliding strip is connected with a sliding rod in a sliding manner, and two ends of the sliding rod respectively penetrate through the transverse grooves at two ends to be fixedly connected with the ceiling.

Through adopting above-mentioned technical scheme, the slide bar plays spacing and guide effect to the draw runner, prevents that the draw runner from taking place the skew when stretching out the dovetail groove, is convenient for ensure reading lamp two's normal use effect.

Optionally, a first chamfer is formed in the second through hole, a second chamfer is formed in one end, deviating from the strip-shaped plate, of the strip-shaped groove, and the locking rod is fixedly connected with a pull ring deviating from the second through hole.

By adopting the technical scheme, the first chamfer is convenient for the locking rod to be inserted into the second through hole and is convenient for the trapezoidal block to be fixedly locked; the second chamfer angle is convenient for ensuring the illumination range of the second reading lamp, and the right-angle baffle is prevented from shielding the illumination of the second reading lamp; the pull ring is convenient for the passenger to adjust the position of the trapezoidal block.

Optionally, the middle part of the end face of the gear, which deviates from the strip-shaped plate, is fixedly connected with a locking ring matched with the circular protrusion, and the outer wall of the locking ring is provided with anti-slip threads.

By adopting the technical scheme, the locking ring is convenient for operators to rotate the gear, so that the second reading lamps on two sides can be adjusted conveniently; the anti-slip threads are convenient for increasing the friction force between hands and the locking ring, and are convenient for operators to rotate the locking ring.

Optionally, a first cooling fin is installed at a position, close to the reading lamp, of the circular convex block, and a second cooling fin is installed at a position, close to the reading lamp, of the rack.

By adopting the technical scheme, the first cooling fin and the second cooling fin are arranged, so that the first reading lamp and the second reading lamp can be conveniently subjected to heat dissipation treatment, the service lives of the first reading lamp and the second reading lamp can be conveniently prolonged, and the using effect is guaranteed.

Optionally, the ceiling is circumferentially provided with an atmosphere lamp.

Through adopting above-mentioned technical scheme, set up the atmosphere lamp, be favorable to improving the driving of driver when driving and the aesthetic property in the car, also play certain illumination effect in the car simultaneously.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the automotive interior ceiling lamp device is used, when light at one of the front row or the rear row is weak, the gear is locked with the racks at the two sides by moving the trapezoidal block, the racks at the two sides slide synchronously with the trapezoidal block, the trapezoidal block slides towards the two ends of the trapezoidal groove, and the reading lamp I and the reading lamps II illuminate simultaneously, so that the illumination brightness of the front row or the rear row is improved, the illumination range is improved, and the illumination range is adjusted more conveniently; when the light rays of the front row and the rear row are weaker, the racks on the two sides can rotate reversely through the rotating gear, the reading lamps on the racks on the two sides can illuminate the front row and the rear row simultaneously, the multiple applicability of the reading lamp I and the reading lamp II is improved, and the illumination range is convenient to adjust;

2. when the spring is in a natural state, the locking rod is inserted into the second through hole, when the position of the trapezoidal block is adjusted, the locking rod is pulled to one end far away from the second through hole, the spring is compressed at the moment, the trapezoidal block is adjusted to slide in the trapezoidal groove, the locking rod is loosened when the proper position is adjusted, and the locking rod is inserted into the corresponding second through hole, so that the position of the trapezoidal block is adjusted and fixed, and the illumination range is adjusted conveniently;

3. the right-angle baffle is arranged, so that the gear and the racks on two sides can be conveniently shielded, and the gear and the racks can be protected; the second reading lamp extends out of the strip-shaped groove, so that the normal lighting effect of the second reading lamp is ensured; the convex strips are connected with the sliding grooves in a sliding mode, the moving of the racks is guided, and the using effect of the second reading lamp is convenient to guarantee.

Drawings

Fig. 1 is a schematic view of the overall structure of the embodiment.

Fig. 2 is intended to highlight the meshing of the gear with the rack.

Figure 3 is intended to highlight the cross-sectional view of the locking assembly.

Fig. 4 is a schematic view of the connection of the ceiling to the strip.

Fig. 5 is an enlarged schematic view of a portion a in fig. 2.

Description of reference numerals: 1. a ceiling; 2. a strip plate; 3. a trapezoidal groove; 4. a trapezoidal block; 5. a slide bar; 6. a circular bump; 7. a reading lamp I; 8. a rack; 9. a gear; 10. a second reading lamp; 11. a transverse groove; 12. a locking assembly; 13. a locking cavity; 14. a fixing ring; 15. a locking lever; 16. a fixing sheet; 17. a spring; 18. a first through hole; 19. a second through hole; 20. a right angle baffle; 21. a strip-shaped groove; 22. a convex strip; 23. a chute; 24. a slide bar; 27. a pull ring; 28. locking a ring; 29. a first heat sink; 30. a second heat sink; 31. an atmosphere lamp.

Detailed Description

The present application is described in further detail below with reference to the accompanying drawings.

The embodiment of the application discloses automotive interior dome lamp device.

Examples

Referring to fig. 1 and 2, an automotive interior dome lamp device, including ceiling 1, the terminal surface has set firmly strip shaped plate 2 under the ceiling 1, three dovetail groove 3 has been seted up along length direction to the terminal surface under strip shaped

plate

2, 3 sliding connection in middle dovetail groove have

trapezoidal block

4, 3 sliding connection in dovetail groove of both sides have draw runner 5, trapezoidal block 4 deviates from the circular lug 6 of the terminal surface middle part fixedly connected with of strip shaped

plate

2, 6 mid-mounting of circular lug have reading lamp 7, automotive interior dome lamp device is in the use, strip shaped plate 2 is located automobile ceiling 1, when driver or personnel by bus need the interior illumination of car at night, accessible is opened reading lamp 7 and is provided the illumination in the car.

Referring to fig. 1 and 2, the terminal surface fixedly connected with rack 8 that draw runner 5 deviates from strip shaped plate 2, the terminal surface that trapezoidal piece 4 deviates from strip shaped plate 2 is equipped with rotates the gear 9 of being connected with circular convex block 6, two racks 8 all mesh with gear 9 mutually, rack 8 deviates from strip shaped plate 2's terminal surface and installs a plurality of reading lamp two 10 along length direction, reading lamp one 7 and reading lamp two 10 all adopt the LED lamp, comparatively energy-efficient, long service life, can play the guard action to the eyes simultaneously, it is healthy and environment-friendly, when illumination zone is less, can open reading lamp two 10 on the rack 8 again, and then improve the illumination zone in the car, be convenient for passenger reads etc..

Referring to fig. 1 and 2, when the light at one of the front row or the rear row is weak, the trapezoidal block 4 can be moved by the aid of the movable rack, the gear 9 on the trapezoidal block 4 is locked with the racks 8 on the two sides, the racks 8 on the two sides slide synchronously with the trapezoidal block 4, the trapezoidal block 4 can slide towards the two ends of the trapezoidal groove 3, the reading lamp I7 and the reading lamps II 10 can illuminate simultaneously, accordingly, the illumination brightness of the front row or the rear row can be improved, the illumination range is improved, and the illumination range can be adjusted conveniently.

Referring to fig. 1 and 2, the transverse groove 11 has all been seted up at the both ends that ceiling 1 is close to dovetail groove 3 department, transverse groove 11 and draw runner 5 and rack 8 looks adaptation, when the light of front row and back row is all less strong, when all needing to improve illumination intensity, can remove trapezoidal piece 4 to dovetail groove 3 middle part, rethread rotating gear 9, gear 9 meshes with the rack 8 of both sides, and then the rack 8 antiport of both sides, two 10 reading lamps on the rack 8 of both sides can be simultaneously to the front row and the back row illumination, the many suitability of reading lamp 7 and reading lamp two 10 has been improved, it is comparatively convenient to adjust the illumination zone.

Referring to fig. 2 and 3, the automobile may bump during the driving process, and the trapezoidal block 4 is easy to slip in the trapezoidal groove 3 in a small amplitude during the bumping process, so that the lighting requirements of passengers are affected, and the trapezoidal block 4 needs to be fixed to prevent the trapezoidal block 4 from slipping; be equipped with locking Assembly 12 in trapezoidal block 4, locking Assembly 12 includes the locking chamber 13 that sets up along the thickness direction, with locking chamber 13 inner wall sliding connection's solid fixed ring 14, fixed connection is in the check lock pole 15 at solid fixed ring 14 middle part, the both ends fixedly connected with stationary blade 16 of locking chamber 13, be equipped with a plurality of springs 17 between stationary blade 16 and the solid fixed ring 14, spring 17's both ends respectively with stationary blade 16 and solid fixed ring 14 fixed connection, two stationary blade 16 middle parts are seted up with the through-hole 18 of check lock pole 15 looks adaptation, check lock pole 15 length is greater than locking chamber 13 length, middle trapezoidal groove 3 is seted up a plurality of through-hole two 19 with check lock pole 15 looks adaptations along length direction.

Referring to fig. 2 and 3, when the spring 17 is in a natural state, the first through hole 18 of the locking rod 15 extending out of the fixing plate 16 is inserted into the second through hole 19 of the trapezoidal groove 3, when the position of the trapezoidal block 4 needs to be adjusted, the locking rod 15 is pulled towards one end far away from the second through hole 19 and is pulled into the locking cavity 13, the fixing ring 14 is convenient for limiting the locking rod 15, the locking block is prevented from deviating, it is convenient to ensure that the locking block can normally extend out of the first through hole 18, the spring 17 is compressed at the moment, the trapezoidal block 4 is adjusted to slide in the trapezoidal groove 3, when the trapezoidal block 4 is adjusted to a proper position, the locking rod 15 is loosened, the locking rod 15 extends out of the first through hole 18 and is inserted into the second through hole 19, the position of the trapezoidal block 4 is adjusted and fixed, and the illumination range is adjusted conveniently. The first chamfer is formed in the second through hole 19, so that sharp edges are reduced, the locking rod 15 can be conveniently inserted into the second through hole 19, and the trapezoidal block 4 can be conveniently and fixedly locked.

Referring to fig. 2 and 4, right-angle baffles 20 are fixedly connected to two sides of the strip-shaped plate 2, a strip-shaped groove 21 matched with the second reading lamp 10 is formed in each right-angle baffle 20, the right-angle baffles 20 are convenient for shielding racks 8 on two sides of the strip-shaped plate 2 and a middle gear 9, the racks 8 and the gear 9 are prevented from being exposed in the vehicle, the gear 9 and the racks 8 are protected, and the second reading lamp 10 extends out of the strip-shaped groove 21, so that the normal lighting effect of the second reading lamp 10 is ensured; one end of the strip-shaped groove 21, which is far away from the strip-shaped plate 2, is provided with a second chamfer, so that the illumination range of the second reading lamp 10 is convenient to ensure, and the right-angle baffle 20 is prevented from shielding the illumination of the second reading lamp 10; the end face fixedly connected with sand grip 22 that right angle baffle 20 is close to rack 8, rack 8 offer with sand grip 22 sliding connection's spout 23, sand grip 22 and spout 23 sliding connection play the guide effect to rack 8's removal, are convenient for ensure the result of use of reading lamp two 10.

Referring to fig. 2 and 4, when the sliding bar 5 drives the rack 8 to extend out of the trapezoidal groove 3, when the sliding bar 5 extends a large amount, the part of the sliding bar 5 outside the trapezoidal groove 3 may deviate slightly due to gravity, which affects the normal transmission of the sliding bar 5 and the use effect of the reading lamp two 10; the middle of the sliding strip 5 is connected with a sliding rod 24 in a sliding mode, two ends of the sliding rod 24 penetrate through the transverse grooves 11 at two ends respectively and are fixedly connected with the ceiling 1, the sliding rod 24 plays a limiting and guiding role in the sliding strip 5, the sliding strip 5 is prevented from deviating when extending out of the trapezoidal groove 3, and the normal use effect of the reading lamp II 10 is convenient to guarantee.

Referring to fig. 2 and 4, the gear 9 deviates from the locking ring 28 matched with the circular bulge fixedly connected with in the middle of the end face of the strip-shaped plate 2, the outer wall of the locking ring 28 is provided with anti-skid lines, the locking ring 28 is arranged, so that the gear 9 can be rotated by an operator conveniently, and then the second reading lamps 10 on two sides can be adjusted conveniently, the front row and the back row can be conveniently and simultaneously illuminated, the anti-skid lines can conveniently increase the friction force between hands and the locking ring 28, and the operator can conveniently rotate the locking ring 28. And a pull ring 27 is fixedly connected to one end of the locking rod 15, which is far away from the second through hole 19, so that the passenger can conveniently adjust the position of the trapezoidal block 4, and further the reading lamp I7 and the reading lamp II 10 can be conveniently and synchronously adjusted to the front row or the rear row area.

Referring to fig. 2 and 5, the first reading lamp 7 and the second reading lamp 10 are prone to generate heat in the long-term use process, the heat cannot be dissipated for a long time, and adverse effects are prone to being caused to the use of the first reading lamp 7 and the second reading lamp 10; the first cooling fin 29 is arranged at the position, close to the first reading lamp 7, of the circular bump 6, the second cooling fin 30 is arranged at the position, close to the second reading lamp 10, of the rack 8, and the first cooling fin 29 and the second cooling fin 30 are convenient for cooling the first reading lamp 7 and the second reading lamp, so that the service lives of the first reading lamp 7 and the second reading lamp 10 are prolonged, and the using effect is guaranteed.

Referring to fig. 1 and 2, ceiling 1 installs atmosphere lamp 31 along circumference, and atmosphere lamp 31 is convenient for the driver comparatively relaxs when driving evening, and it is difficult for making a break in poverty to drive, improves the driving experience of driver when driving and the aesthetic property in the car, also plays certain illumination effect in the car simultaneously.

The implementation principle of the automotive interior ceiling lamp device is as follows: in the use process, the strip-shaped plate 2 is positioned on the automobile ceiling 1, when a driver or a passenger needs illumination in the automobile at night, illumination can be provided for the interior of the automobile by turning on the first reading lamp 7, and when the illumination range is smaller, the second reading lamp 10 on the rack 8 can be turned on, so that the illumination range in the automobile is further enlarged, the passenger can read conveniently, and the like; when light at one of the front row or the rear row is weak, the gear 9 on the trapezoidal block 4 can be locked with the racks 8 at two sides by moving the trapezoidal block 4, and then the racks 8 at two sides and the trapezoidal block 4 synchronously slide, the trapezoidal block 4 can slide to two ends of the trapezoidal groove 3, and the reading lamp I7 and the reading lamps II 10 illuminate at the same time, so that the illumination brightness of the front row or the rear row is improved, the illumination range is improved, and the illumination range is adjusted more conveniently; when the light of the front row and the back row is weak, and the illumination brightness needs to be improved, the trapezoidal block 4 can be moved to the middle of the trapezoidal groove 3, the gear 9 is meshed with the racks 8 on the two sides through the rotating gear 9, then the racks 8 on the two sides rotate reversely, the two reading lamps 10 on the racks 8 on the two sides can illuminate the front row and the back row simultaneously, the applicability of the first reading lamp 7 and the second reading lamp 10 is improved, and the illumination range is convenient to adjust.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. An automotive interior dome lamp device comprising a ceiling (1), characterized in that: the lower end face of the ceiling (1) is fixedly provided with a strip-shaped plate (2), the lower end face of the strip-shaped plate (2) is provided with three trapezoidal grooves (3) along the length direction, the middle trapezoidal groove (3) is connected with a trapezoidal block (4) in a sliding manner, the trapezoidal grooves (3) on two sides are connected with a sliding strip (5) in a sliding manner, the middle part of the end face of the trapezoidal block (4) departing from the strip-shaped plate (2) is fixedly connected with a round lug (6), the middle part of the round lug (6) is provided with a reading lamp I (7), the end face of the sliding strip (5) departing from the strip-shaped plate (2) is fixedly connected with a rack (8), the end face of the trapezoidal block (4) departing from the strip-shaped plate (2) is provided with a gear (9) rotatably connected with the round lug (6), the two racks (8) are both meshed with the gear (9), the end faces of the rack (8) departing from the strip-shaped plate (2), the transverse groove (11) is matched with the sliding strip (5) and the rack (8).

2. The automotive interior dome lamp assembly of claim 1, wherein: be equipped with locking Assembly (12) in trapezoidal piece (4), locking Assembly (12) include along locking chamber (13) that thickness direction set up, with locking chamber (13) inner wall sliding connection's solid fixed ring (14), check lock lever (15) in solid fixed ring (14) middle part of fixed connection, both ends fixedly connected with stationary blade (16) in locking chamber (13), be equipped with a plurality of springs (17) between stationary blade (16) and solid fixed ring (14), the both ends of spring (17) respectively with stationary blade (16) and solid fixed ring (14) fixed connection, through-hole one (18) with check lock lever (15) looks adaptation is seted up at two stationary blade (16) middle parts, check lock lever (15) length is greater than locking chamber (13) length, a plurality of through-hole two (19) with check lock lever (15) looks adaptation are seted up along length direction in middle trapezoidal groove (3).

3. The automotive interior dome lamp assembly of claim 1, wherein: the both sides fixedly connected with right angle baffle (20) of bar shaped plate (2), right angle baffle (20) offer with two (10) looks adaptations of reading lamp strip groove (21), right angle baffle (20) are close to terminal surface fixedly connected with sand grip (22) of rack (8), rack (8) offer with sand grip (22) sliding connection's spout (23).

4. The automotive interior dome lamp assembly of claim 1, wherein: the middle part of the slide bar (5) is connected with a slide bar (24) in a sliding way, and two ends of the slide bar (24) respectively penetrate through the transverse grooves (11) at the two ends to be fixedly connected with the ceiling (1).

5. The automotive interior dome lamp assembly of claim 2, wherein: chamfer one has been seted up in through-hole two (19), and chamfer two has been seted up to the one end that strip groove (21) deviate from strip shaped plate (1), and check lock lever (15) deviate from one end fixedly connected with pull ring (27) of through-hole two (19).

6. The automotive interior dome lamp assembly of claim 1, wherein: the middle part of the end face, deviating from the strip-shaped plate (2), of the gear (9) is fixedly connected with a locking ring (28) matched with the circular protrusion (6), and anti-slip lines are arranged on the outer wall of the locking ring (28).

7. The automotive interior dome lamp assembly of claim 1, wherein: the round convex block (6) is provided with a first cooling fin (29) close to the first reading lamp (7), and the rack (8) is provided with a second cooling fin (30) close to the second reading lamp (10).

8. The automotive interior dome lamp assembly of claim 1, wherein: an atmosphere lamp (31) is installed on the ceiling (1) along the circumferential direction.