LED curved screen with adjustable curvature
By combining multiple sets of telescopic rods with driving components and a heat dissipation system, the stress concentration problem in traditional LED curved screens is solved, achieving uniform curvature adjustment and stable display effect, and improving structural stability and heat dissipation efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-23
- Publication Date
- 2026-03-24
AI Technical Summary
Traditional adjustable curvature LED curved screen devices typically only bend at both ends, causing deformation to concentrate in the two end areas, resulting in stress accumulation, which affects structural integrity and increases the risk of screen damage.
The design employs multiple sets of telescopic rods hinged to the curved screen body, combined with driving components, heat conduction plates, and a heat dissipation system to achieve uniform adjustment of curvature and heat dissipation. The controller coordinates the drive motor and cooling fan to adjust the curvature and control the screen temperature.
It achieves uniform curvature adjustment of curved screens, disperses stress, improves structural stability, reduces the risk of damage, and ensures display quality and stability through effective heat dissipation.
Smart Images
Figure CN224033457U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the technical field of LED curved screen, more specifically, it relates to a curvature adjustable LED curved screen. BACKGROUND
[0002] In the field of display devices, LED curved screen as a kind of commonly used display device, is widely used in various electronic equipment, such as computer display, television and so on, to facilitate users to obtain immersive visual experience. However, the traditional curvature adjustable LED curved screen device is usually bent at both ends, so that most of the deformation amount is concentrated in the two end regions during the bending process of the screen. Because stress is generated inside the material when it is bent to resist deformation, the concentrated deformation amount at both ends causes a large amount of stress to accumulate here. With the passage of time, it may cause the connecting parts to loosen and delaminate, thereby affecting the structural firmness of the screen as a whole and increasing the risk of screen damage. SUMMARY
[0003] To solve the above technical problems, the utility model provides a curvature adjustable LED curved screen to solve the technical problem that the traditional curvature adjustable LED curved screen device is usually bent at both ends in the prior art, so that most of the deformation amount is concentrated in the two end regions during the bending process of the screen.
[0004] The purpose and effect of the curvature adjustable LED curved screen of the utility model are achieved by the following specific technical means:
[0005] A curvature adjustable LED curved screen comprises a curved screen body, a base and a connecting rod arranged on one side of the curved screen body, a rotating shaft and a driving member for driving the rotating shaft to rotate arranged at both ends of the base, and the driving member is connected with the rotating shaft. A plurality of connecting blocks are arranged on the curved screen body, and the connecting blocks are connected with the rotating shaft through the connecting rod. A plurality of telescopic rods are arranged between the base and the curved screen body, one end of each of the plurality of telescopic rods is fixedly connected with the base, and the other end is hingedly connected with the curved screen body. A heat dissipation cavity is arranged in the base, heat conduction channels are arranged in the telescopic rods and the connecting rod, and the heat conduction channels are connected with the heat dissipation cavity through pipelines. A heat dissipation fan is arranged on one side of the heat dissipation cavity. A controller is arranged on the base, and the heat dissipation fan is electrically connected with the controller.
[0006] According to a preferred embodiment, the telescopic rod comprises an outer rod and an inner rod, the inner rod is arranged in the outer rod, a damping ring is arranged on the inner rod, a spring is arranged in the outer rod, and the two ends of the spring are in contact with the inner rod and the outer rod respectively.
[0007] According to one preferred embodiment, the curved screen body and the telescopic rod are connected by a heat conduction plate, the heat conduction plate is provided with heat dissipation fins, the heat conduction plate is provided with a heat exchange channel, and the heat exchange channel is connected with the heat conduction channel through a pipeline.
[0008] According to one preferred embodiment, the heat conduction plate is provided with a slide, and one end of the telescopic rod is provided with a roller which is in sliding connection with the slide.
[0009] According to one preferred embodiment, the driving member comprises a driving motor, the driving motor is installed on one side of the base, a worm is arranged on an output shaft of the driving motor, a plurality of worm gears are arranged on the plurality of rotating shafts, the worm is in meshing connection with the worm gears, the plurality of rotating shafts are connected through a belt, and the driving motor is electrically connected with the controller.
[0010] According to one preferred embodiment, the plurality of connecting rods and the plurality of connecting blocks are at least four groups, one group of connecting rods is arranged at each end of the rotating shaft, and the plurality of connecting blocks are symmetrically distributed on one side of the curved screen body.
[0011] According to one preferred embodiment, the inner wall of the heat dissipation cavity is provided with a semiconductor refrigeration piece, the curved screen body is provided with a temperature sensor, and the controller is electrically connected with the semiconductor refrigeration piece and the temperature sensor.
[0012] Compared with the prior art, the utility model has the advantages of the following beneficial effects:
[0013] 1、The utility model discloses a plurality of telescopic rods are hingedly arranged on the curved screen body, so that the user can uniformly adjust the curvature of the curved screen.
[0014] 2、In use, the user can control the driving motor through the controller, and the worm on the driving motor output shaft and the worm gear on the rotating shaft are meshed and driven to rotate the rotating shaft, so that the curvature of the curved screen can be adjusted, and the user can adjust the screen to the appropriate curvature according to different use scenarios, such as watching movies, office work, etc., thereby improving the ability of the device to meet the needs of different use scenarios. Then, by setting the heat-conducting plate and the heat dissipation fins at the connection between the curved screen and the telescopic rod, the heat can be quickly transmitted and dissipated. At the same time, the semiconductor refrigerating sheet and the heat dissipation fan in the heat dissipation cavity can be cooled and cooled in a targeted manner under the cooperation of the temperature sensor and the controller. This makes the device able to control the screen temperature, avoid overheating affecting the display effect, and bring the user a stable visual experience, thereby improving the display quality and stability of the device. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 is a structure schematic diagram of the utility model after assembling;
[0016] Figure 2 is a structure schematic diagram of the utility model after disassembling;
[0017] Figure 3 is Figure 2 an enlarged view of a region a in figure
[0018] Figure 4 is Figure 2 an enlarged view of a region b in figure
[0019] Figure 5 is a structure schematic diagram of the utility model of telescopic;
[0020] Figure 6 is a lower view of the utility model.
[0021] In the figure, the corresponding relationship between the component name and the drawing number is:
[0022] 11, curved screen body;12, base;13, connecting rod;14, rotating shaft;151, driving motor;152, worm;153, worm gear;16, connecting block;17, telescopic rod;171, outer rod;172, inner rod;173, spring;174, damping ring;18, heat dissipation cavity;19, heat conduction channel;21, heat dissipation fan;22, controller;23, heat-conducting plate;24, heat dissipation fin;25, heat exchange channel;26, slide;27, roller;28, semiconductor refrigerating sheet;29, temperature sensor. DETAILED DESCRIPTION
[0023] The embodiments of the utility model will be further described in detail below in combination with the drawings and examples. The following examples are used to illustrate the technical scheme of the utility model, but cannot be used to limit the protection scope of the utility model.
[0024] Embodiment:
[0025] As Figures 1 to 6 shown, the utility model provides a curvature adjustable LED curved screen, including curved screen body 11. Curved screen body 11 one side is equipped with base 12 and connecting rod 13, through the setting of base 12 and connecting rod 13, provide support structure for curved screen body 11, improve the stability of the whole device, make it can adapt to multiple use scenarios. The both ends of base 12 are provided with rotating shaft 14 and driving element for driving rotating shaft 14 to rotate, and the driving element is connected with the rotating shaft 14; through the setting of driving element, provide power for the rotation of rotating shaft 14, improve the feasibility of curvature adjustment of the device, can actively adjust the curvature of curved screen. Curved screen body 11 is equipped with multiple connecting blocks 16, and the connecting block 16 is connected with the rotating shaft 14 through the connecting rod 13; through the setting of connecting block 16, the parts of curved screen can move coordinately when curvature is adjusted, improve the synchronism of curvature adjustment of the device, ensure the consistency of curved screen bending.
[0026] As Figure 2 , 3 shown, the utility model provides a curvature adjustable LED curved screen, including curved screen body 11. Curved screen body 11 one side is equipped with base 12 and connecting rod 13, through the setting of base 12 and connecting rod 13, provide support structure for curved screen body 11, improve the stability of the whole device, make it can adapt to multiple use scenarios. The both ends of base 12 are provided with rotating shaft 14 and driving element for driving rotating shaft 14 to rotate, and the driving element is connected with the rotating shaft 14; through the setting of driving element, provide power for the rotation of rotating shaft 14, improve the feasibility of curvature adjustment of the device, can actively adjust the curvature of curved screen. Curved screen body 11 is equipped with multiple connecting blocks 16, and the connecting block 16 is connected with the rotating shaft 14 through the connecting rod 13; through the setting of connecting block 16, the parts of curved screen can move coordinately when curvature is adjusted, improve the synchronism of curvature adjustment of the device, ensure the consistency of curved screen bending.
[0027] As Figure 2 , 5As shown, the telescopic rod 17 includes an outer rod 171 and an inner rod 172, the inner rod 172 is arranged in the outer rod 171, and the telescopic rod 17 can be telescopic through the sleeve structure of the outer rod 171 and the inner rod 172, which improves the flexibility of the curvature adjustment of the device to adapt to different curvature adjustment requirements. The inner rod 172 is sleeved with a damping ring 174, and the telescopic process of the telescopic rod 17 is more stable through the arrangement of the damping ring 174, which improves the stability and controllability of the curvature adjustment of the device and avoids shaking during adjustment. The outer rod 171 is provided with a spring 173, and the two ends of the spring 173 are in contact with the inner rod 172 and the outer rod 171 respectively. Through the arrangement of the spring 173, the inner rod 172 can be pushed outward to provide support for the curved screen body 11.
[0028] As shown in Figure 2 , 3 , the curved screen body 11 and the telescopic rod 17 are connected at the connecting part, and the connecting part is provided with a heat conduction plate 23, and the heat conduction plate 23 is provided with a heat dissipation fin 24. Through the arrangement of the heat conduction plate 23, the local heat of the curved screen can be quickly absorbed, and the efficiency of the local heat dissipation of the device is improved, and the electronic elements of the connecting part are protected.
[0029] The heat conduction plate 23 is provided with a heat exchange channel 25, and the heat exchange channel 25 is connected with the heat conduction channel 19 through a pipeline. Through the arrangement of the heat exchange channel 25, the heat transfer path is smoother, and the continuity of the overall heat dissipation system of the device is improved.
[0030] The heat conduction plate 23 is provided with a sliding groove 26, and one end of the telescopic rod 17 is provided with a roller 27, and the roller 27 is in sliding connection with the sliding groove 26. Through the cooperation of the sliding groove 26 and the roller 27, the connection between the telescopic rod 17 and the curved screen is more flexible, and the adaptability and smoothness of the connecting part during the curvature adjustment of the device are improved.
[0031] As shown in Figure 2 , 4 , 6, the driving member includes a driving motor 151, the driving motor 151 is installed on one side of the base 12, the driving motor 151 is provided with a worm 152 on the output shaft, and the worm 152 is provided with a worm gear 153 on one group of rotating shafts 14. The worm 152 is in engagement with the worm gear 153, the power of the driving motor 151 can be transmitted and decelerated through the arrangement of the worm 152 and the worm gear 153, and the stability of the curvature adjustment of the device is improved.
[0032] The two groups of rotating shafts 14 are connected through a belt, and the driving motor 151 is electrically connected with the controller 22. Through the arrangement of the belt, the two rotating shafts 14 can rotate synchronously, the synchronism and symmetry of the curvature adjustment of the device are improved, and the consistency of the curvature change of the curved screen on both sides is ensured.
[0033] The plurality of connecting rods 13 and the plurality of connecting blocks 16 are at least four groups, one group of connecting rods 13 is arranged at each end of the rotating shaft 14, and the plurality of connecting blocks 16 are symmetrically distributed on one side of the curved screen body 11. Through the symmetric distribution of the plurality of connecting blocks 16, the stress of the curved screen is more balanced when the curvature is adjusted, and the stability and reliability of the curvature adjustment of the device are improved, and the screen deformation is prevented.
[0034] The inner wall of the heat dissipation cavity 18 is provided with a semiconductor cooling fin 28, the curved screen body 11 is provided with a temperature sensor 29, and the controller 22 is electrically connected with the semiconductor cooling fin 28 and the temperature sensor 29. Through the setting of the temperature sensor 29, the temperature of the curved screen can be monitored, the appropriate temperature of the screen is maintained, the semiconductor cooling fin 28 can adopt a TEC1-12706 type semiconductor cooling fin, and the temperature sensor 29 can adopt a DS18B20 type temperature sensor.
[0035] The specific use mode and effect of the embodiment are as follows:
[0036] When the curvature of the LED curved screen needs to be adjusted, the user sends an instruction to the driving motor 151 through the controller 22, the driving motor 151 drives the worm 152 to rotate, drives the rotating shaft 14 to rotate after meshing with the worm gear 153, the two rotating shafts 14 are synchronously rotated by the belt connection, and then the connecting rod 13 is driven, the connecting rod 13 drives the plurality of telescopic rods 17 to extend and retract through the connecting block 16, so that the curvature of the curved screen is uniformly changed, stress concentration is avoided, and the adjustment stability and screen safety are ensured. After the curved screen works and generates heat, the heat is transmitted to the heat conduction plate 23, the heat dissipation fins 24 accelerate local heat dissipation, and the heat exchange channel 25 collects heat and transmits the heat to the heat dissipation cavity 18 through the heat conduction channel 19, the heat dissipation fan 21 discharges the heat under the control of the controller 22, when the temperature is too high, the temperature sensor 29 transmits a signal, the controller 22 starts the semiconductor cooling fin 28 to assist cooling, and the curved screen works at an appropriate temperature. The inner rod 172 of the telescopic rod 17 extends and retracts in the outer rod 171, the damping ring 174 ensures stable extension and retraction, the spring 173 provides reset ability, and the stability and repeatability of the curvature adjustment are improved.
[0037] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above, and for those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments.
Claims
1. An adjustable curvature LED curved screen, comprising a curved screen body (11), characterized in that: The curved screen body (11) has a base (12) and a connecting rod (13) on one side. Both ends of the base (12) are provided with a rotating shaft (14) and a driving component for driving the rotating shaft (14) to rotate. The driving component is connected to the rotating shaft (14). The curved screen body (11) has multiple sets of connecting blocks (16), which are connected to the rotating shaft (14) via the connecting rod (13). Multiple sets of telescopic rods (17) are provided between the base (12) and the curved screen body (11). One end of each of the telescopic rods (17) is fixedly connected to the base (12), and the other end is hinged to the curved screen body (11). The base (12) is provided with a heat dissipation cavity (18). Both the telescopic rod (17) and the connecting rod (13) are provided with heat conduction channels (19), which are connected to the heat dissipation cavity (18) through pipes. A heat dissipation fan (21) is provided on one side of the heat dissipation cavity (18). A controller (22) is provided on the base (12), and the heat dissipation fan (21) is electrically connected to the controller (22).
2. The adjustable curvature LED curved screen according to claim 1, characterized in that: The telescopic rod (17) includes an outer rod (171) and an inner rod (172). The inner rod (172) passes through the outer rod (171). A damping ring (174) is sleeved on the inner rod (172). A spring (173) is provided inside the outer rod (171). The two ends of the spring (173) are in contact with the inner rod (172) and the outer rod (171) respectively.
3. The adjustable curvature LED curved screen according to claim 2, characterized in that: The curved screen body (11) and the telescopic rod (17) are both provided with heat-conducting plates (23), the heat-conducting plates (23) are provided with heat dissipation fins (24), the heat-conducting plates (23) are provided with heat exchange channels (25), and the heat exchange channels (25) are connected to the heat-conducting channels (19) through pipes.
4. The adjustable curvature LED curved screen according to claim 3, characterized in that: The heat-conducting plate (23) is provided with a slide rail (26), and one end of the telescopic rod (17) is provided with a roller (27), which is slidably connected to the slide rail (26).
5. The adjustable curvature LED curved screen according to claim 1, characterized in that: The driving component includes a drive motor (151), which is mounted on one side of the base (12). The output shaft of the drive motor (151) is provided with a worm (152), and a set of rotating shafts (14) is provided with a worm wheel (153). The worm (152) meshes with the worm wheel (153). The two sets of rotating shafts (14) are connected by a belt. The drive motor (151) is electrically connected to the controller (22).
6. The adjustable curvature LED curved screen according to claim 5, characterized in that: There are at least four sets of the multiple sets of connecting rods (13) and multiple sets of connecting blocks (16). Each end of the rotating shaft (14) is provided with a set of the connecting rods (13), and the multiple sets of connecting blocks (16) are symmetrically distributed on one side of the curved screen body (11).
7. The adjustable curvature LED curved screen according to claim 1, characterized in that: The inner wall of the heat dissipation cavity (18) is provided with a semiconductor cooling chip (28), and the curved screen body (11) is provided with a temperature sensor (29). The controller (22) is electrically connected to the semiconductor cooling chip (28) and the temperature sensor (29) respectively.