Channel lighting device used in manned spacecraft cabin

Abstract

The utility model discloses a passage lighting device used in a manned spacecraft cabin, which comprises a lamp housing, mounting parts arranged on two sides of the lamp housing, a light-transmitting slotted hole arranged on the front end face of the lamp housing, a light-transmitting plate arranged in the lamp housing and capable of covering the light-transmitting slotted hole, and a light guide plate arranged in the lamp housing above the light-transmitting plate. At least one side of the light guide plate is provided with a light inlet face, a light outlet face of the light guide plate is located on one side of the light transmitting plate, a light bar is arranged at the position, corresponding to the light inlet face, in the lamp shell, a first pressing mechanism capable of pressing the end of the light guide plate is arranged at the position, close to the mounting portion, in the lamp shell, and a bottom cover is arranged on the rear end face of the lamp shell. A second pressing mechanism capable of pressing the light guide plate is arranged on the inner side face of the bottom cover. In order to overcome the defects in the prior art, the utility model provides the channel lighting device which is simple in structure, good in stability of internal parts, not easy to loosen and capable of being used in a manned spacecraft cabin for a long time.

Description

Technical Field

[0001] The utility model relates to the technical field of manned spacecraft cabin lighting, in particular to a channel lighting device used in a manned spacecraft cabin. Background Art

[0002] With the development of manned space flight projects, manned spacecraft that can operate in orbit for a long time will be built in the future to accommodate multiple astronauts for visits, long-term work and life, so as to support a large number of space science experiments and space exploration activities.

[0003] The requirements for lighting fixtures in spacecraft are very strict and the reliability requirements are extremely high: because the environment in which the spacecraft is located is extremely complex and cannot be easily repaired, the lamps must have extremely high reliability and be able to operate stably during long-term space missions without being affected by factors such as radiation, temperature changes, and microgravity.

[0004] Due to design defects, the internal parts of existing illumination devices are easy to loosen, and their stability and reliability are relatively poor, which cannot meet the requirements of long-term use in manned spacecraft cabins.

[0005] Therefore, the existing lighting devices need to be further improved. Utility Model Content

[0006] The purpose of the utility model is to overcome the deficiencies in the prior art and to provide a channel lighting device which has a simple structure, good stability of internal parts of the device, is not easy to loosen, and can be used for a long time in a manned spacecraft cabin.

[0007] In order to achieve the above-mentioned purpose, the utility model adopts the following scheme: a channel lighting device for use in a manned spacecraft cabin, comprising a lamp housing, mounting portions are provided on both sides of the lamp housing, a light-transmitting slot is provided on the front end surface of the lamp housing, a light-transmitting plate capable of covering the light-transmitting slot is provided in the lamp housing, a light guide plate is provided in the lamp housing above the light-transmitting plate, a light incident surface is provided on at least one side of the light guide plate, a light emitting surface of the light guide plate is located on one side of the light-transmitting plate, a light bar is provided in the lamp housing at a position corresponding to the light incident surface, a first clamping mechanism capable of clamping the end of the light guide plate is provided in the lamp housing near the mounting portion, a bottom cover is provided on the rear end surface of the lamp housing, and a second clamping mechanism capable of clamping the light guide plate is provided on the inner side surface of the bottom cover.

[0008] As another improvement of the channel lighting device used in a manned spacecraft cabin of the utility model, a clamping groove is provided on the lamp housing inside the light-transmitting slot, and the light bar is inserted into the clamping groove.

[0009] As another improvement of the channel lighting device of the utility model for use in a manned spacecraft cabin, the first clamping mechanism includes a pressing plate arranged above the light guide plate, the pressing plate is fixedly connected to the end of the lamp housing by screws, a first positioning groove is provided in the end of the lamp housing, the pressing plate is arranged in the first positioning groove, and a gasket is provided between the pressing plate and the light guide plate.

[0010] As another improvement of the channel lighting device of the utility model for use in a manned spacecraft cabin, a second positioning groove is provided in the middle of the first positioning groove, and a limiting protrusion is provided at a position corresponding to the second positioning groove of the light guide plate, and the limiting protrusion is arranged in the second positioning groove.

[0011] As another improvement of the channel lighting device of the utility model for use in a manned spacecraft cabin, the second clamping mechanism includes clamping strips arranged on the inner side of the bottom cover at intervals along the length direction, and a silicone strip is provided on the side of the clamping strip opposite to the light guide plate.

[0012] As another improvement of the passage lighting device used in a manned spacecraft cabin of the utility model, a power connector is provided on the bottom cover, and the light strip is connected to the power connector.

[0013] As another improvement of the channel lighting device of the utility model for use in a manned spacecraft cabin, the mounting portion includes a connecting ear group symmetrically arranged on both sides of the lamp housing, the connecting ear group includes connecting ears arranged at intervals on the lamp housing, and connecting hole grooves are provided on the connecting ears.

[0014] As another improvement of the channel lighting device used in a manned spacecraft cabin of the utility model, pressing mechanisms capable of pressing the limiting protrusion tightly are respectively provided on both sides of the second positioning groove.

[0015] As another improvement of the channel lighting device used in a manned spacecraft cabin of the utility model, the pushing mechanism includes an installation inner groove arranged on one side of the second positioning groove, a pushing rod is movably arranged in the installation inner groove, a pushing portion is provided at a position corresponding to the corner of the pushing rod and the limiting protrusion, a locking adjustment screw hole is provided on the first positioning groove on one side of the second positioning groove, a gear installation slot hole is provided at a position corresponding to the locking adjustment screw hole and the installation inner groove, a driving gear is provided in the gear installation slot hole, and a rack is provided on the side of the pushing rod corresponding to the driving gear, and the rack is meshed with the driving gear.

[0016] As another improvement of the channel lighting device used in a manned spacecraft cabin of the utility model, the back of the light guide plate is densely covered with concave points that can increase the light effect.

[0017] In summary, the utility model has the following beneficial effects compared to the prior art: the utility model has a simple structure, and can effectively clamp and fix the light guide plate and the light transparent plate through the first clamping mechanism and the second clamping mechanism, and will not loosen during use, has extremely high reliability, and can operate stably in long-term space missions. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional schematic diagram of the light-emitting side of the utility model.

[0019] Figure 2 It is a three-dimensional schematic diagram of the rear side of the utility model.

[0020] Figure 3 It is one of the cross-sectional schematic diagrams of the utility model.

[0021] Figure 4 This is the second cross-sectional schematic diagram of the present utility model.

[0022] Figure 5 This is one of the internal structure schematic diagrams of the utility model.

[0023] Figure 6 This is the second schematic diagram of the internal structure of the utility model.

[0024] Figure 7 This is the third schematic diagram of the internal structure of the utility model.

[0025] Figure 8 for Figure 7 A magnified schematic diagram of center A.

[0026] In the figure: 1. lamp housing; 2. mounting portion; 21. connecting ear; 22. connecting hole; 3. light-transmitting slot; 4. light-transmitting plate; 5. light guide plate; 51. light incident surface; 52. light emitting surface; 53. limiting convex portion; 6. first clamping mechanism; 61. pressing plate; 62. first positioning slot; 63. gasket; 64. second positioning slot; 7. bottom cover; 8. second clamping mechanism; 81. clamping strip; 82. silicone strip; 9. snap-on slot; 10. power connector; 11. light strip; 12. pressing mechanism; 121. pressing rod; 122. pressing portion; 123. locking adjustment screw hole; 124. gear mounting slot; 125. driving gear; 126. rack. DETAILED DESCRIPTION

[0027] The above and other technical features and advantages of the present invention are described in more detail below in conjunction with the accompanying drawings.

[0028] The preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only used to explain the technical principles of the present invention and are not intended to limit the protection scope of the present invention.

[0029] It should be noted that, in the description of the present invention, terms such as "up", "down", "left", "right", "inside", and "outside" indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings. This is merely for the convenience of description and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the present invention.

[0030] In addition, it should be noted that in the description of the present invention, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0031] like Figure 1-8 As shown, a channel lighting device for use in a manned spacecraft cabin includes a lamp housing 1, a mounting portion 2 is provided on both sides of the lamp housing 1, a light-transmitting slot 3 is provided on the front end surface of the lamp housing 1, a light-transmitting plate 4 capable of covering the light-transmitting slot 3 is provided in the lamp housing 1, a light guide plate 5 is provided in the lamp housing 1 above the light-transmitting plate 4, a light incident surface 51 is provided on at least one side of the light guide plate 5, a light emitting surface 52 of the light guide plate 5 is located on one side of the light-transmitting plate 4, a light bar 11 is provided in the lamp housing 1 at a position corresponding to the light incident surface 51, a first pressing mechanism 6 capable of pressing the end of the light guide plate 5 is provided near the mounting portion 2 in the lamp housing 1, a bottom cover 7 is provided on the rear end surface of the lamp housing 1, and a second pressing mechanism 8 capable of pressing the light guide plate 5 is provided on the inner side surface of the bottom cover 7. The utility model has a simple structure, and the light guide plate and the light-transmitting plate can be effectively pressed and fixed by the first pressing mechanism and the second pressing mechanism, and will not loosen during use, and has extremely high reliability, and can operate stably in long-term space missions.

[0032] In the utility model, a clamping groove 9 is provided on the lamp housing 1 inside the light-transmitting slot 3 , and the light bar 11 is inserted into the clamping groove 9 .

[0033] The back of the light bar 11 in the utility model is fixedly mounted on the side wall inside the lamp housing 1 by pasting. The light guide plate 5 in the utility model is provided with light entrance surfaces 51 on both sides of the mounting portion 2, and correspondingly, light bars 11 are provided on both sides of the lamp housing 1. The light guide plate 5 is provided with a light exit surface 52 at the light transmission slot 3, and the light emitted by the light bar 11 enters the light guide plate 5 through the light entrance surface 51 and is refracted and then emitted through the light exit surface 52. In the utility model, the back of the light guide plate 5 is densely covered with concave points that can increase the light effect. The concave points on the back of the light guide plate mainly change the propagation direction of the light so that the light can be uniformly emitted from the front of the light guide plate, thereby playing the role of guiding light. The design and distribution of these concave points are carefully calculated and arranged. When the light enters from the side of the light guide plate, optical phenomena such as refraction and reflection occur at the concave points, thereby destroying the original propagation direction of the light, so that it can be diffused to various angles, and finally emitted from the front of the light guide plate to form a uniform surface light source. Make the light more uniform and soft, improve visual effects and energy efficiency.

[0034] The first clamping mechanism 6 of the utility model includes a pressing plate 61 arranged above the light guide plate 5, the pressing plate 61 is fixedly connected to the end of the lamp housing 1 by screws, a first positioning groove 62 is arranged in the end of the lamp housing 1, the pressing plate 61 is arranged in the first positioning groove 62, and a gasket 63 is arranged between the pressing plate 61 and the light guide plate 5. A second positioning groove 64 is arranged in the middle of the first positioning groove 62, and a limiting convex portion 53 is arranged at a position corresponding to the second positioning groove 64 on the light guide plate 5, and the limiting convex portion 53 is arranged in the second positioning groove 64.

[0035] In the present invention, the first positioning groove 62 and the limiting protrusion 53 cooperate with each other, so that the light guide plate 5 can be conveniently positioned and installed. The gasket 63 in the present invention is a non-slip gasket, and under the pressure of the pressing plate 61, the gasket 63 can effectively press the two ends of the light guide plate 6.

[0036] The second pressing mechanism 8 in the utility model includes a pressing strip 81 arranged at intervals along the length direction on the inner side of the bottom cover 7, and a silicone strip 82 is provided on the side of the pressing strip 81 opposite to the light guide plate 5. In the utility model, when the bottom cover 7 is connected to the lamp housing 1, the pressing strip 81 presses the silicone strip 82 to press the light guide plate 5 against the light transmission plate 4, and the light transmission plate 4 is stably pressed in the lamp housing 1.

[0037] In the utility model, a power connector 10 is provided on the bottom cover 7 , and the light bar 11 is connected to the power connector 10 .

[0038] The mounting portion 2 in the present invention comprises a connecting ear group symmetrically arranged on both sides of the lamp housing 1 , wherein the connecting ear group comprises connecting ears 21 arranged at intervals on the lamp housing 1 , and connecting holes 22 are provided on the connecting ears 21 .

[0039] In the present invention, a pressing mechanism 12 capable of pressing the limiting protrusion 53 is respectively provided on both sides of the second positioning groove 64. The pressing mechanism 12 includes an inner mounting groove provided on one side of the second positioning groove 64, a pressing rod 121 is movably provided in the inner mounting groove, a pressing portion 122 is provided at a position corresponding to the corner of the pressing rod 121 and the limiting protrusion 53, a locking adjustment screw hole 123 is provided on the first positioning groove 62 on one side of the second positioning groove 64, a gear mounting slot hole 124 is provided at a position corresponding to the locking adjustment screw hole 123 and the inner mounting groove, a driving gear 125 is provided in the gear mounting slot hole, a rack 126 is provided on a side corresponding to the pressing rod 121 and the driving gear 125, and the rack 126 is meshed with the driving gear 125.

[0040] In the utility model, an adjusting screw is arranged in the locking adjusting screw hole 123, a connecting inner ring tooth 127 is arranged inside the driving gear 125, a connecting cylinder is arranged on the lower end surface of the driving gear 125, a connecting circular hole is arranged in the lamp housing 1, and the connecting circular hole is movably arranged in the connecting circular hole. A convex tooth ring matching with the connecting inner ring tooth 127 is arranged at the lower end of the adjusting screw, and connecting threads are arranged at the upper and middle parts of the adjusting screw. When the adjusting screw is screwed into the locking adjusting screw hole 123, the convex tooth ring is inserted into the connecting inner ring tooth 127, at which time, the driving gear 125 can be driven, thereby driving the rack 126 to move, and the pressing part 122 of the pressing rod 121 presses the corners of the limiting convex part 53, which can not only effectively fix the light guide plate 5, but also adjust the position of the light guide plate 5 by adjusting the position of the first pressing rods 121 on both sides, so that the light guide plate 5 can be accurately positioned in the middle of the two light bars.

[0041] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A channel lighting device for use in a manned spacecraft cabin, comprising a lamp housing (1), mounting portions (2) being provided on both sides of the lamp housing (1), a light-transmitting slot (3) being provided on the front end surface of the lamp housing (1), and a light-transmitting plate (4) being provided inside the lamp housing (1) and capable of covering the light-transmitting slot (3), wherein: A light guide plate (5) is provided in a lamp housing (1) above the light-transmitting plate (4); a light incident surface (51) is provided on at least one side of the light guide plate (5); a light emitting surface (52) of the light guide plate (5) is located on one side of the light-transmitting plate (4); a light bar (11) is provided in the lamp housing (1) at a position corresponding to the light incident surface (51); a first clamping mechanism (6) capable of clamping an end of the light guide plate (5) is provided in the lamp housing (1) near the mounting portion (2); a bottom cover (7) is provided on the rear end surface of the lamp housing (1); and a second clamping mechanism (8) capable of clamping the light guide plate (5) is provided on the inner side surface of the bottom cover (7).

2. The channel lighting device for use in a manned spacecraft cabin according to claim 1, characterized in that: A clamping groove (9) is provided on the lamp housing (1) inside the light-transmitting slot hole (3), and the light bar (11) is inserted into the clamping groove (9).

3. The channel lighting device for use in a manned spacecraft cabin according to claim 1, characterized in that: The first clamping mechanism (6) comprises a pressing plate (61) arranged above the light guide plate (5); the pressing plate (61) is fixedly connected to the end of the lamp housing (1) by means of screws; a first positioning groove (62) is provided in the end of the lamp housing (1); the pressing plate (61) is arranged in the first positioning groove (62); and a gasket (63) is provided between the pressing plate (61) and the light guide plate (5).

4. The channel lighting device for use in a manned spacecraft cabin according to claim 3, characterized in that: A second positioning groove (64) is provided in the middle of the first positioning groove (62), a limiting convex portion (53) is provided at a position corresponding to the second positioning groove (64) on the light guide plate (5), and the limiting convex portion (53) is arranged in the second positioning groove (64).

5. The channel lighting device for use in a manned spacecraft cabin according to claim 1, characterized in that: The second pressing mechanism (8) comprises pressing strips (81) arranged at intervals along the length direction on the inner side surface of the bottom cover (7), and a silicone strip (82) is provided on the side of the pressing strip (81) opposite to the light guide plate (5).

6. The channel lighting device for use in a manned spacecraft cabin according to claim 1, characterized in that: A power connector (10) is provided on the bottom cover (7), and the light bar (11) is connected to the power connector (10).

7. The channel lighting device for use in a manned spacecraft cabin according to claim 1, characterized in that: The mounting portion (2) comprises a connection ear group symmetrically arranged on both sides of the lamp housing (1), the connection ear group comprises connection ears (21) arranged at intervals on the lamp housing (1), and connection holes (22) are provided on the connection ears (21).

8. The channel lighting device for use in a manned spacecraft cabin according to claim 4, characterized in that: A pressing mechanism (12) capable of pressing the limiting protrusion (53) is respectively provided on both sides of the second positioning groove (64).

9. The channel lighting device for use in a manned spacecraft cabin according to claim 8, characterized in that: The pressing mechanism (12) comprises an inner mounting groove arranged on one side of the second positioning groove (64), a pressing rod (121) is movably arranged in the inner mounting groove, a pressing portion (122) is arranged at a position corresponding to the corner of the pressing rod (121) and the limiting protrusion (53), a locking adjustment screw hole (123) is arranged on the first positioning groove (62) on one side of the second positioning groove (64), a gear mounting slot hole (124) is arranged at a position corresponding to the locking adjustment screw hole (123) and the inner mounting groove, a driving gear (125) is arranged in the gear mounting slot hole, and a rack (126) is arranged on a side of the pressing rod (121) corresponding to the driving gear (125), and the rack (126) is meshed with the driving gear (125).

10. The channel lighting device for use in a manned spacecraft cabin according to claim 1, characterized in that: The back side of the light guide plate (5) is densely covered with concave spots that can increase the light effect.

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