Living lighting device used in manned spacecraft cabin

Abstract

The utility model discloses a life lighting device used in a manned spacecraft cabin, which comprises a lamp shell, mounting parts are arranged on two sides of the lamp shell, a light-transmitting slotted hole is arranged on the front end face of the lamp shell, a light-transmitting plate capable of covering the light-transmitting slotted hole is arranged in the lamp shell, and the mounting parts are arranged on the mounting parts. A first sealing mechanism is arranged between the light-transmitting plate and the inner wall of the lamp housing, a light guide plate is arranged in the lamp housing above the light-transmitting plate, at least one side of the light guide plate is provided with a light incident surface, the light emergent surface of the light guide plate is positioned on one side of the light-transmitting plate, and a lamp strip is arranged in the lamp housing at a position corresponding to the light incident surface. A pressing mechanism capable of pressing the light guide plate is arranged in the lamp shell, a bottom cover is arranged on the rear end face of the lamp shell, and a second sealing mechanism is arranged between the bottom cover and the lamp shell. The device is simple in structure, good in stability of parts in the device, 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 living 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 living 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 life 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 first sealing mechanism is provided between the light-transmitting plate and the inner wall of 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 strip is provided in the lamp housing at a position corresponding to the light incident surface, a pressing mechanism capable of pressing the light guide plate is provided in the lamp housing, a bottom cover is provided on the rear end surface of the lamp housing, and a second sealing mechanism is provided between the bottom cover and the lamp housing.

[0008] As another improvement of the utility model for the living lighting device used in the cabin of a manned spacecraft, the first sealing mechanism includes an annular sealing groove opened in the lamp housing outside the light-transmitting slot, and a first sealing gasket is arranged in the annular sealing groove.

[0009] As another improvement of the utility model for use in a living lighting device in a manned spacecraft cabin, the clamping mechanism includes a pressing plate arranged above the light guide plate, the pressing plate is fixedly connected to the lamp housing by screws, positioning bosses are arranged at intervals on the side edges inside the lamp housing, a positioning long groove is arranged between the two positioning bosses, a positioning protrusion is arranged at a position corresponding to the positioning long groove, a limiting groove is arranged at a position corresponding to the pressing plate and the positioning protrusion, the positioning protrusion is arranged in the positioning long groove, the positioning protrusion is arranged in the limiting groove, and a gasket is arranged between the pressing plate and the light guide plate.

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

[0011] As another improvement of the utility model for the living lighting device used in the cabin of a manned spacecraft, the second sealing mechanism includes a positioning step arranged in the lamp housing, a second sealing gasket is arranged on the positioning step, a plurality of screw holes are arranged at intervals on the positioning step, a connecting hole is provided at a position corresponding to the screw hole on the bottom cover, a connecting screw is provided in the connecting hole and the screw hole, and the connecting screw passes through the second sealing gasket.

[0012] As another improvement of the living 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 utility model for the living lighting device used in the cabin of a manned spacecraft, 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 living lighting device used in a manned spacecraft cabin of the utility model, a first pressing mechanism capable of tightening the limiting convex portion is respectively provided on both sides of the positioning short groove, the first pressing mechanism includes a first mounting inner groove arranged on one side of the positioning short groove, a first pressing rod is movably arranged in the first mounting inner groove, a pressing portion is provided at a position corresponding to the corner of the first pressing rod and the limiting convex portion, a first locking adjustment screw hole is provided on the positioning long groove on one side of the positioning short groove, a first gear mounting slot hole is provided at a position corresponding to the first locking adjustment screw hole and the first mounting inner groove, a first driving gear is provided in the first gear mounting slot hole, a first rack is provided on a side of the first pressing rod corresponding to the first driving gear, and the first rack is meshed with the first driving gear.

[0015] As another improvement of the living lighting device used in a manned spacecraft cabin of the utility model, second pressing mechanisms capable of tightening the positioning protrusion are respectively provided on both sides of the positioning long groove, the second pressing mechanism includes a second mounting inner groove arranged on one side of the positioning long groove, a second pressing rod is movably arranged in the second mounting inner groove, a second locking adjustment screw hole is provided in the positioning protrusion, a second gear mounting slot hole is provided at a position corresponding to the second locking adjustment screw hole and the second mounting inner groove, a second driving gear is provided in the second gear mounting slot hole, a second rack is provided on the side corresponding to the second mounting rod and the second driving gear, and the second rack is meshed with the second driving gear.

[0016] As another improvement of the living 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 with the prior art: the utility model has a simple structure, the internal parts are effectively fixed, 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 This is one of the internal structure schematic diagrams of the utility model.

[0021] Figure 4 This is the second schematic diagram of the internal structure of the utility model.

[0022] Figure 5 This is the third schematic diagram of the internal structure of the utility model.

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

[0024] Figure 7 It is one of the cross-sectional schematic diagrams of the utility model.

[0025] Figure 8 This is the second cross-sectional schematic diagram of the present utility model.

[0026] Fig. 9 It is a schematic diagram of the first pressing mechanism of the utility model.

[0027] Fig.10 It is a schematic diagram of the second pressing mechanism of the utility model.

[0028] In the figure: 1, lamp housing; 2, mounting portion; 21, connecting ear; 22, connecting hole; 3, light-transmitting slot; 4, light-transmitting plate; 5, first sealing mechanism; 51, annular sealing groove; 52, first sealing gasket; 6, light guide plate; 61, light incident surface; 62, light exit surface; 63, limiting convex portion; 7, light bar; 8, clamping mechanism; 81, pressing plate; 82, positioning convex seat; 83, positioning long groove; 84, positioning convex block; 85, limiting groove; 86, gasket; 87, positioning short groove; 9, bottom cover; 10, second sealing mechanism; 101, positioning step; 102, second sealing gasket; 103, screw hole ; 104, connecting hole; 11, power connector; 12, first pressing mechanism; 121, first mounting inner groove; 122, first pressing rod; 123, pressing portion; 124, first locking adjustment screw hole; 125, first driving gear; 126, first rack; 13, second pressing mechanism; 131, second mounting inner groove; 132, second pressing rod; 133, second locking adjustment screw hole; 134, second driving gear; 135, second rack. DETAILED DESCRIPTION

[0029] The above and other technical features and advantages of the present invention are described in more detail below in conjunction with the accompanying drawings.

[0030] 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.

[0031] 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.

[0032] 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.

[0033] like Figure 1-10As shown, a living lighting device for use in a manned spacecraft cabin includes a lamp housing 1, mounting portions 2 are 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 first sealing mechanism 5 is provided between the light-transmitting plate 4 and the inner wall of the lamp housing 1, a light guide plate 6 is provided in the lamp housing 1 above the light-transmitting plate 4, a light-entering surface 61 is provided on at least one side of the light guide plate 6, a light-emitting surface 62 of the light guide plate 6 is located on one side of the light-transmitting plate 4, a light bar 7 is provided in the lamp housing 1 at a position corresponding to the light-entering surface 61, a pressing mechanism 8 capable of pressing the light guide plate 6 is provided in the lamp housing 1, a bottom cover 9 is provided on the rear end surface of the lamp housing 1, and a second sealing mechanism 10 is provided between the bottom cover 9 and the lamp housing 1. In the utility model, the back of the light bar 7 is fixedly arranged on the side wall inside the lamp housing 1 by gluing. In the utility model, the light guide plate 6 is provided with light entrance surfaces 61 on both sides of the mounting portion 2, and correspondingly, light strips 7 are provided on both sides of the lamp housing 1. A light exit surface 62 is provided on the light guide plate 6 at the light-transmitting slot 3, and the light emitted by the light strip 7 enters the light guide plate 6 through the light entrance surface 61 and is refracted and then emitted through the light exit surface 62. In the utility model, the back of the light guide plate 6 is densely covered with concave points that can increase the light effect. The main function of the concave points on the back of the light guide plate is to 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 the visual effect and energy utilization efficiency.

[0034] In the present invention, the first sealing mechanism 5 and the second sealing mechanism 10 effectively improve the sealing performance inside the lamp housing 1, thereby reducing the damage to the electronic components and / or optical components inside the lamp housing 1.

[0035] In the utility model, the light guide plate and the light-transmitting plate can be effectively pressed in the lamp housing 1 by the pressing mechanism, which greatly improves the overall stability. The light guide plate and the light-transmitting plate will not become loose during use, and the reliability is extremely high, so the light guide plate and the light-transmitting plate can operate stably in long-term space missions.

[0036] The first sealing mechanism 5 of the present invention comprises an annular sealing groove 51 provided in the lamp housing 1 outside the light-transmitting slot 3 , and a first sealing gasket 52 is provided in the annular sealing groove 51 .

[0037] The clamping mechanism 8 of the utility model includes a pressing plate 81 arranged above the light guide plate 6, the pressing plate 81 is fixedly connected to the lamp housing 1 by screws, positioning convex seats 82 are arranged at intervals on the side of the lamp housing 1, a positioning long groove 83 is arranged between the two positioning convex seats 82, a positioning convex block 84 is arranged at the position corresponding to the positioning long groove 83 of the pressing plate 81, a limiting groove 85 is arranged at the position corresponding to the pressing plate 81 and the positioning convex seat 82, the positioning convex block 84 is arranged in the positioning long groove 83, the positioning convex seat 82 is arranged in the limiting groove 85, and a gasket 86 is arranged between the pressing plate 81 and the light guide plate 6. In the utility model, the positioning long groove 83 and the positioning convex block 84 cooperate with each other, so that the pressing plate 81 can be easily positioned and installed. The gasket 86 in the utility model is a non-slip gasket, and under the extrusion of the pressing plate 81, the gasket 86 can effectively clamp the light guide plate 6.

[0038] The utility model provides a short positioning groove 87 in the middle of the long positioning groove 83, and provides a limiting convex portion 63 at the position corresponding to the short positioning groove 87 on the light guide plate 6, and the limiting convex portion 63 is arranged in the short positioning groove 87. The limiting convex portion 63 and the short positioning groove 87 cooperate with each other to effectively position the light guide plate 6.

[0039] The second sealing mechanism 10 of the utility model includes a positioning step 101 arranged in the lamp housing 1, a second sealing gasket 102 is arranged on the positioning step 101, a plurality of screw holes 103 are arranged at intervals on the positioning step 101, a connecting hole 104 is arranged at a position corresponding to the screw hole 103 on the bottom cover 9, connecting screws are arranged in the connecting hole 104 and the screw hole 103, and the connecting screws pass through the second sealing gasket 102.

[0040] In the present invention, a power connector 11 is provided on the bottom cover 9 , and the light bar 7 is connected to the power connector 11 .

[0041] The mounting portion 2 of the utility model includes a connecting ear group symmetrically arranged on both sides of the lamp housing 1, and the connecting ear group includes connecting ears 21 arranged on the lamp housing 1 at intervals, and connecting holes 22 are provided on the connecting ears 21.

[0042] The utility model is provided with first pressing mechanisms 12 on both sides of the positioning short groove 87, which can press the limiting protrusion 63 tightly. The first pressing mechanism 12 includes a first mounting inner groove 121 arranged on one side of the positioning short groove 87, a first pressing rod 122 is movably arranged in the first mounting inner groove 121, a pressing portion 123 is arranged at a position corresponding to the corner of the first pressing rod 122 and the limiting protrusion 63, a first locking adjustment screw hole 124 is arranged on the positioning long groove 83 on one side of the positioning short groove 87, a first gear mounting slot hole 120 is arranged at a position corresponding to the first locking adjustment screw hole 124 and the first mounting inner groove 121, a first driving gear 125 is arranged in the first gear mounting slot hole, a first rack 126 is arranged on the side of the first pressing rod 122 corresponding to the first driving gear 125, and the first rack 126 is meshed with the first driving gear 125.

[0043] In the present invention, a first adjusting screw is arranged in the first locking adjusting screw hole 124, a connecting inner ring tooth 127 is arranged inside the first driving gear 125, a first connecting cylinder is arranged on the lower end surface of the first driving gear 125, a first connecting circular hole is arranged in the lamp housing 1, and the first connecting cylinder is movably arranged in the first connecting circular hole. A first convex tooth ring matching with the first connecting inner ring tooth 127 is arranged at the lower end of the first adjusting screw, and connecting threads are arranged at the upper and middle parts of the first adjusting screw. When the first adjusting screw is screwed into the first locking adjusting screw hole 124, the first convex tooth ring is inserted into the first connecting inner ring tooth 127, at which time, the first driving gear 125 can be driven, thereby driving the first rack 126 to move, and the pressing part 123 of the first pressing rod 122 presses the corners of the limiting convex part 63, which can not only effectively fix the light guide plate 6, but also adjust the position of the light guide plate 6 by adjusting the positions of the first pressing rods 122 on both sides, so that the light guide plate 6 can be accurately positioned in the middle of the two light bars.

[0044] In the utility model, second pressing mechanisms 13 capable of tightening the positioning protrusion 84 are respectively provided on both sides of the positioning long groove 83, and the second pressing mechanism 13 includes a second mounting inner groove 131 arranged at one side of the positioning long groove 83, a second pressing rod 132 is movably arranged in the second mounting inner groove 131, a second locking adjustment screw hole 133 is provided in the positioning protrusion 82, a second gear mounting slot hole 130 is provided at a position corresponding to the second locking adjustment screw hole 133 and the second mounting inner groove 131, a second driving gear 134 is provided in the second gear mounting slot hole, a second rack 135 is provided on the side corresponding to the second pressing rod 132 and the second driving gear 134, and the second rack 135 is meshed with the second driving gear 134.

[0045] In the utility model, a second adjusting screw is arranged in the second locking adjusting screw hole 133, a second connecting inner ring tooth 136 is arranged inside the second driving gear 134, a first connecting cylinder is arranged on the lower end surface of the second driving gear 134, a second connecting circular hole is arranged in the lamp housing 1, and the second connecting cylinder is movably arranged in the second connecting circular hole. A second convex tooth ring matching with the second connecting inner ring tooth 136 is arranged at the lower end of the second adjusting screw, and connecting threads are arranged at the upper and middle parts of the second adjusting screw. When the second adjusting screw is screwed into the second locking adjusting screw hole 133, the second convex tooth ring is inserted into the second connecting inner ring tooth 136, at which time, the second driving gear 134 can be driven, thereby driving the second rack 135 to move, and the second pressing rod 132 presses the positioning protrusion 84 tightly, so that the pressure plate 81 can be effectively fixed.

[0046] 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 living 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), characterized in that: A first sealing mechanism (5) is provided between the light-transmitting plate (4) and the inner wall of the lamp housing (1); a light guide plate (6) is provided in the lamp housing (1) above the light-transmitting plate (4); a light incident surface (61) is provided on at least one side of the light guide plate (6); a light emitting surface (62) of the light guide plate (6) is located on one side of the light-transmitting plate (4); a light bar (7) is provided in the lamp housing (1) at a position corresponding to the light incident surface (61); a pressing mechanism (8) capable of pressing the light guide plate (6) is provided in the lamp housing (1); a bottom cover (9) is provided on the rear end surface of the lamp housing (1); and a second sealing mechanism (10) is provided between the bottom cover (9) and the lamp housing (1).

2. A living lighting device for use in a manned spacecraft cabin according to claim 1, characterized in that: The first sealing mechanism (5) comprises an annular sealing groove (51) provided in the lamp housing (1) outside the light-transmitting slot hole (3), and a first sealing gasket (52) is provided in the annular sealing groove (51).

3. The living lighting device for use in a manned spacecraft cabin according to claim 1, characterized in that: The clamping mechanism (8) comprises a pressing plate (81) arranged above the light guide plate (6), the pressing plate (81) being fixedly connected to the lamp housing (1) by means of screws, positioning convex seats (82) being arranged at intervals on the side edge of the lamp housing (1), a positioning long groove (83) being arranged between the two positioning convex seats (82), a positioning convex block (84) being arranged at a position corresponding to the positioning long groove (83) of the pressing plate (81), a limiting groove (85) being arranged at a position corresponding to the positioning convex seat (82) of the pressing plate (81), the positioning convex block (84) being arranged in the positioning long groove (83), the positioning convex seat (82) being arranged in the limiting groove (85), and a gasket (86) being arranged between the pressing plate (81) and the light guide plate (6).

4. A living lighting device for use in a manned spacecraft cabin according to claim 3, characterized in that: A short positioning groove (87) is provided in the middle of the long positioning groove (83), and a limiting convex portion (63) is provided at a position of the light guide plate (6) corresponding to the short positioning groove (87), and the limiting convex portion (63) is arranged in the short positioning groove (87).

5. The living lighting device for use in a manned spacecraft cabin according to claim 1, characterized in that: The second sealing mechanism (10) comprises a positioning step (101) arranged in the lamp housing (1), a second sealing gasket (102) being arranged on the positioning step (101), a plurality of screw holes (103) being arranged at intervals on the positioning step (101), a connecting hole (104) being arranged at a position corresponding to the screw hole (103) on the bottom cover (9), connecting screws being arranged in the connecting hole (104) and the screw hole (103), and the connecting screws passing through the second sealing gasket (102).

6. The living lighting device for use in a manned spacecraft cabin according to claim 1, characterized in that: A power connector (11) is provided on the bottom cover (9), and the light bar (7) is connected to the power connector (11).

7. The living 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 living lighting device for use in a manned spacecraft cabin according to claim 4, characterized in that: A first pressing mechanism (12) capable of pressing the limiting protrusion (63) is respectively provided on both sides of the positioning short slot (87), the first pressing mechanism (12) comprising a first mounting inner slot (121) provided on one side of the positioning short slot (87), a first pressing rod (122) movably provided in the first mounting inner slot (121), a pressing portion (123) provided at a position corresponding to the corner of the first pressing rod (122) and the limiting protrusion (63), a first locking adjustment screw hole (124) provided on the positioning long slot (83) on one side of the positioning short slot (87), a first gear mounting slot hole provided at a position corresponding to the first locking adjustment screw hole (124) and the first mounting inner slot (121), a first driving gear (125) provided in the first gear mounting slot hole, a first rack (126) provided on a side of the first pressing rod (122) corresponding to the first driving gear (125), the first rack (126) meshing with the first driving gear (125).

9. The living lighting device for use in a manned spacecraft cabin according to claim 3, characterized in that: A second pressing mechanism (13) capable of pressing the positioning protrusion (84) is respectively provided on both sides of the positioning long groove (83), the second pressing mechanism (13) comprising a second mounting inner groove (131) provided on one side of the positioning long groove (83), a second pressing rod (132) movably provided in the second mounting inner groove (131), a second locking adjustment screw hole (133) provided in the positioning protrusion (82), a second gear mounting slot hole provided at a position corresponding to the second locking adjustment screw hole (133) and the second mounting inner groove (131), a second driving gear (134) provided in the second gear mounting slot hole, a second rack (135) provided on a side corresponding to the second pressing rod (132) and the second driving gear (134), and the second rack (135) meshes with the second driving gear (134).

10. The living lighting device for use in a manned spacecraft cabin according to claim 1, characterized in that: The back side of the light guide plate (6) is densely covered with concave spots that can increase the light effect.

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