A split-type lampshade and its duct-type daylighting device
By designing a split lampshade in the duct-type daylighting device and using a water tank and through holes to drain condensate, the problem of unstable lighting caused by condensation and thermal expansion in the pipes was solved, and a stable lighting effect was achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- GOLD MANTIS CONSTR DECORATION
- Filing Date
- 2025-07-23
- Publication Date
- 2026-07-17
AI Technical Summary
Existing ducted daylighting devices are prone to condensation in humid environments, leading to unstable lighting. Furthermore, thermal expansion can cause the pipes to twist and deform, affecting the lighting effect.
Design a split lampshade comprising a ring plate and a housing. The ring plate has a water tank and a through hole. The connector is detachably installed on the light transmission tube. Condensate is discharged through the water tank and the through hole to avoid excessive air pressure and prevent the pipe from twisting and deforming.
It effectively drains condensate, prevents pipes from deforming due to thermal expansion, maintains lighting stability, and improves lighting effect.
Smart Images

Figure CN224516585U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of architectural decoration, specifically to a split lampshade and its tubular daylighting device. Background Technology
[0002] Existing ducted daylighting systems utilize natural light to illuminate indoor spaces, offering the advantage of being green and environmentally friendly. However, in summer, winter, and when air conditioning is used, humid air in the environment easily condenses inside the pipe walls, forming condensate water and thus affecting indoor lighting.
[0003] In addition, the pipes themselves have good sealing properties. When sunlight is introduced for a long time, the air inside the pipes will expand due to heat. This can easily cause the pipes in the concealed structure to twist and deform, and also reduce the light transmission performance of the pipes, thus affecting indoor lighting.
[0004] Existing patents also disclose some solutions for pipe-type daylighting, such as the patent with authorization announcement number CN203686865U, entitled: "A pipe-type daylighting device suitable for sloping roofs, including a rainproof board, a light-transmitting cover, a light guide tube, and a diffuser." The rainproof board is characterized by its sloping design, directly and tightly integrated with the sloping roof without requiring other auxiliary devices or pre-installed seating. A transparent light-transmitting cover is fixed to the sloping rainproof board. The bottom surface of the rainproof board is flat, forming a certain angle with the vertical surface, with one side of the vertical surface higher than the other. While this solution can achieve indoor lighting, it cannot overcome the defects caused by water accumulation on the inner wall of the pipe and / or pipe twisting. Therefore, during use, the lighting capacity is unstable and easily affected by the external environment, leading to a deterioration in lighting effect.
[0005] Therefore, the technical problem that this application needs to solve is: how to ensure the stability of the pipeline lighting system. Utility Model Content
[0006] To solve the above-mentioned technical problems, this utility model proposes a split lampshade. By providing a water tank on the upper surface of the annular plate and setting a through hole that communicates with the water tank, it is easy to drain the condensate in the pipe. In addition, it can avoid the situation of excessive air pressure caused by high temperature in the pipe, effectively prevent the pipe from twisting and deforming, fully guarantee the lighting effect, and maintain the stability of the pipe lighting.
[0007] Specifically, this utility model proposes a split-type lampshade for installation at the end of a light transmission tube, the lampshade comprising:
[0008] The cover includes an annular plate, an outer shell, and a light-transmitting panel. The outer shell is fixed to the outer periphery of the annular plate, and the light-transmitting panel is fixed to the inner periphery of the annular plate. A water tank is provided on the upper surface of the annular plate, and a through hole communicating with the water tank is provided on the annular plate and / or the outer shell.
[0009] A connector, the lower end of which is mounted on the cover, and the upper end of which is mounted on the optical transmission tube.
[0010] Preferably, the water tank is annular.
[0011] Preferably, the lower end of the connector is fixed to the cover, and the upper end of the connector is detachably mounted on the optical transmission tube.
[0012] Preferably, the upper end of the connector is provided with a snap-fit part, and the optical transmission tube is provided with a slot for installing the snap-fit part.
[0013] Preferably, the optical transmission tube is located between the housing and the connector.
[0014] Preferably, the inner wall of the optical transmission tube is provided with a guide groove, which is used to guide the latching part into the slot.
[0015] Preferably, the height of the connector is not adjustable. Alternatively, the height of the connector is adjustable.
[0016] Furthermore, the connecting member includes a fixed block, a movable block, an elastic element, and an adjusting screw. The fixed block is fixed to the annular plate, and the movable block is mounted on the upper end of the fixed block via the elastic element.
[0017] The fixed block has a first guide hole through its upper and lower ends, the movable block has a threaded hole, and the upper end of the adjusting screw passes through the first guide hole and is installed in the threaded hole.
[0018] The annular plate is provided with a clearance opening, which is used to accommodate the adjustment part at the lower end of the adjustment screw.
[0019] In addition, this application also proposes a duct-type daylighting device including the aforementioned split lampshade. Attached Figure Description
[0020] To more clearly illustrate the technical solutions in the embodiments of this utility model, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below.
[0021] Figure 1 This is a schematic diagram of the three-dimensional structure of the assembled split lampshade and light transmission tube proposed in this embodiment;
[0022] Figure 2 yes Figure 1 A magnified schematic diagram of the partial structure at point A in the middle;
[0023] Figure 3 This is a schematic diagram of the main view after the split lampshade and light transmission tube are assembled according to this embodiment;
[0024] Figure 4 yes Figure 3 Schematic diagram of the cross-sectional structure in the middle BB direction;
[0025] Figure 5 yes Figure 4 A magnified schematic diagram of the structure at point C in the middle;
[0026] Figure 6 yes Figure 4 A magnified schematic diagram of the local structure at point D;
[0027] Figure 7 This is a schematic diagram of one embodiment of the connector in this example;
[0028] Figure 8 This is a schematic diagram of another embodiment of the connector in this example.
[0029] The reference numerals used in the attached figures are as follows:
[0030] 11-Cover body; 12-Annular plate; 13-Outer shell; 14-Light-transmitting panel; 15-Water tank; 16-Through hole; 17-Light transmission tube; 18-Snap fastener; 19-Guide groove; 20-Slot; 21-Fixing block; 22-Moving block; 23-Elastic element; 24-Adjusting screw; 25-First guide hole; 26-Threaded hole; 27-Allowing opening; 28-Adjusting part; 29-Fixing plate; 30-Second guide hole; 31-Guide rod. Detailed Implementation
[0031] The technical solutions of this application will be further described below with reference to specific embodiments, but this application is not limited to these embodiments.
[0032] like Figures 1 to 8 As shown, this embodiment proposes a split lampshade for installation at the end of the optical transmission tube 17. The lampshade includes:
[0033] The cover 11 includes an annular plate 12, an outer shell 13 and a light-transmitting panel 14. The outer shell 13 is fixed to the outer periphery of the annular plate 12, and the light-transmitting panel 14 is fixed to the inner periphery of the annular plate 12. A water tank 15 is provided on the upper surface of the annular plate 12, and a through hole 16 communicating with the water tank 15 is provided on the annular plate 12 and / or the outer shell 13.
[0034] The connector has its lower end mounted on the housing 11 and its upper end mounted on the optical transmission tube 17.
[0035] The technical advantages of this solution are as follows: by providing a water trough 15 on the upper surface of the annular plate 12 and setting a through hole 16 that communicates with the water trough 15, it is convenient to drain the condensate in the pipe. In addition, it can avoid the situation of excessive air pressure caused by high temperature in the pipe, effectively prevent the pipe from twisting and deforming, fully guarantee the lighting effect, and maintain the stability of the pipe lighting.
[0036] Furthermore, the outer shell 13 is a cylindrical shell with a cylindrical receiving cavity.
[0037] In one embodiment of this invention, the water tank 15 is annular. Since there is a significant temperature difference between the inside and outside of the pipe, hot air inside the pipe easily condenses on the inner wall, forming water droplets. The annular design of the water tank 15 makes it easier for the water droplets to collect, preventing them from accumulating on the light-transmitting panel 14. Simultaneously, the higher temperature at the light-transmitting panel 14 allows for partial evaporation of the water droplets, which are then discharged through the through-hole 16.
[0038] In one embodiment of this invention, there are multiple through holes 16. These multiple through holes 16 are evenly distributed in a circular array with respect to the circumference of the water tank 15.
[0039] As one embodiment of this invention, the lower end of the connector is fixed to the cover 11, and the upper end of the connector is detachably mounted on the optical transmission tube 17.
[0040] In one embodiment of this invention, the upper end of the connector is provided with a snap-fit part 18, and the optical transmission tube 17 is provided with a slot 20 for mounting the snap-fit part 18. The connector and the optical transmission tube 17 in this solution are connected by a snap-fit assembly, which has the advantages of simplicity and efficiency.
[0041] Furthermore, the optical transmission tube 17 is located between the housing 13 and the connector.
[0042] Furthermore, the inner wall of the optical transmission tube 17 is provided with a guide groove 19, which is used to guide the latching part 18 into the slot 20.
[0043] As one implementation of the connector in this embodiment, such as Figures 1 to 7 As shown, the connector adopts a height-adjustable technical solution. Furthermore, the connector includes a fixed block 21, a movable block 22, an elastic element 23, and an adjusting screw 24. The fixed block 21 is fixed to the annular plate 12, and the movable block 22 is mounted on the upper end of the fixed block 21 via the elastic element 23.
[0044] The fixed block 21 has a first guide hole 25 through its upper and lower ends, and the movable block 22 has a threaded hole 26. The upper end of the adjusting screw 24 passes through the first guide hole 25 and is installed in the threaded hole 26.
[0045] The annular plate 12 is provided with a clearance opening 27, which is used to accommodate the adjusting part 28 at the lower end of the adjusting screw 24. The lower surface of the adjusting part 28 is provided with a hexagonal hole, which facilitates the rotation adjustment of the adjusting part 28 by a hexagonal wrench.
[0046] Furthermore, the elastic element 23 is a spring.
[0047] Furthermore, a guide rod 31 is fixed to the upper end of the fixed block 21, and second guide holes 30 are provided at both the upper and lower ends of the movable block 22 for the guide rod 31 to pass through. A spring is sleeved on the guide rod 31, and the spring is located between the movable block 22 and the fixed block 21. The spring is used to keep the movable block 22 and the fixed block 21 away from each other. This method can push the movable block 22 upward, so that the adjusting part 28 of the adjusting screw 24 is always in contact with the lower surface of the fixed block 21.
[0048] Furthermore, there are two guide rods 31, located on both sides of the adjusting screw 24. The two guide rods 31 are installed in the same way, and each guide rod 31 is fitted with a spring on its outer periphery.
[0049] As another implementation of the connector in this embodiment, in this case, as Figure 8 As shown, the connector can also be a non-adjustable height design. In this case, the connector is a fixed rod or a fixed plate 29.
[0050] This embodiment also proposes a tubular daylighting device that includes the aforementioned split lampshade. This tubular daylighting device can provide continuous and stable indoor lighting.
[0051] For those skilled in the art, various modifications and improvements can be made without departing from the inventive concept of this utility model, and these modifications and improvements all fall within the protection scope of this utility model.
Claims
1. A split lamp cover for mounting on the end of a light transmitting tube (17) characterised in that, The lampshade includes: The cover (11) includes an annular plate (12), an outer shell (13) and a light-transmitting panel (14). The outer shell (13) is fixed to the outer periphery of the annular plate (12), and the light-transmitting panel (14) is fixed to the inner periphery of the annular plate (12). A water tank (15) is provided on the upper surface of the annular plate (12), and a through hole (16) communicating with the water tank (15) is provided on the annular plate (12) and / or the outer shell (13). A connector, the lower end of which is mounted on the cover (11) and the upper end of which is mounted on the optical transmission tube (17).
2. The split lamp shade of claim 1, wherein, The water tank (15) is annular.
3. The split lamp shade of claim 1, wherein, The lower end of the connector is fixed to the cover (11), and the upper end of the connector is detachably mounted on the optical transmission tube (17).
4. The split lamp shade of claim 1, wherein, The upper end of the connector is provided with a snap-fit part (18), and the optical transmission tube (17) is provided with a slot (20) for installing the snap-fit part (18).
5. The split lamp shade of claim 4, wherein, The optical transmission tube (17) is located between the housing (13) and the connector.
6. The split lamp shade of claim 5, wherein, The inner wall of the optical transmission tube (17) is provided with a guide groove (19), which is used to guide the latching part (18) into the slot (20).
7. The split lamp shade of claim 6, wherein, The height of the connector is not adjustable.
8. The split lamp shade of claim 6, wherein, The height of the connector is adjustable.
9. The split lamp shade of claim 8, wherein, The connector includes a fixed block (21), a movable block (22), an elastic element (23), and an adjusting screw (24). The fixed block (21) is fixed on the annular plate (12), and the movable block (22) is installed on the upper end of the fixed block (21) through the elastic element (23). The fixed block (21) has a first guide hole (25) through its upper and lower ends, and the movable block (22) has a threaded hole (26). The upper end of the adjusting screw (24) passes through the first guide hole (25) and is installed in the threaded hole (26). The annular plate (12) is provided with a clearance opening (27), which is used to accommodate the adjustment part (28) at the lower end of the adjustment screw (24).
10. A pipe-type daylighting device, characterized in that, Including the split lampshade as described in any one of claims 1 to 9.