LED display device and vehicle with same

Abstract

The utility model provides an LED display device and a vehicle with the LED display device. The LED display device comprises a box body, an LED light source and an LED light source, the upper end of the LED display assembly is hinged to the upper end of the first side of the box body, and the lower end of the LED display assembly and the lower end of the first side of the box body can be locked or unlocked; the two ends of the telescopic driving piece are hinged to the box body and the LED display assembly respectively. The protection assembly comprises a protection panel and an installation part, the protection panel is arranged on one side of the display face of the LED display assembly, and the installation part penetrates through the protection panel and is connected with the LED display assembly. Through the technical scheme provided by the invention, the problems that an embedded LED vehicle-mounted display screen in the related technology occupies the space of a carriage, and the LED vehicle-mounted display screen needs to be disassembled when the LED vehicle-mounted display screen needs to be maintained, so that the LED vehicle-mounted display screen is inconvenient to maintain can be solved.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle-mounted display screens, and more specifically, to an LED display device and a vehicle having the same. Background Art

[0002] An LED vehicle-mounted display screen is a device installed on an automobile that uses a dedicated power supply, a control card, and unit boards to display text, pictures, animations, and videos through dot matrix lighting and extinguishing. It is a display system that has emerged independently with the rapid development of LED display screens.

[0003] In the related art, a display component is embedded and installed on the gantry of the rear compartment to form an embedded LED vehicle-mounted display screen, which then displays text information. However, the embedded LED vehicle-mounted display screen in the related art occupies the compartment space, and when maintenance of the LED vehicle-mounted display screen is required, the LED vehicle-mounted display screen needs to be disassembled, resulting in inconvenient maintenance of the LED vehicle-mounted display screen. Summary of the Utility Model

[0004] The utility model provides an LED display device and a vehicle having the same to solve the problem that the embedded LED vehicle-mounted display screen in the related art occupies the compartment space and needs to be disassembled when maintenance of the LED vehicle-mounted display screen is required, resulting in inconvenient maintenance of the LED vehicle-mounted display screen.

[0005] According to one aspect of the utility model, an LED display device is provided, which is arranged on a vehicle body. The LED display device includes: a box body; an LED display component arranged on a first side of the box body, the display surface of the LED display component being arranged away from the box body, the upper end of the LED display component being hinged to the upper end of the first side of the box body, and the lower end of the LED display component being capable of being locked or unlocked with the lower end of the first side of the box body, so that the LED display component has a maintenance position away from the box body and a display position close to the box body; a telescopic driving member, both ends of the telescopic driving member being respectively hinged to the box body and the LED display component and capable of driving the LED display component to switch between the maintenance position and the display position; a protection component including a protection panel and a mounting member, the protection panel being arranged on one side of the display surface of the LED display component, and the mounting member passing through the protection panel and being connected to the LED display component.

[0006] Further, the LED display component includes a fixing frame and an LED module arranged on the fixing frame. The upper end of the fixing frame is hinged to the upper end of the first side of the box body, the lower end of the fixing frame is capable of being locked or unlocked with the lower end of the first side of the box body, and the protection panel is arranged on the fixing frame and covers the front side of the LED module.

[0007] Further, the mounting member includes a mounting plate and a mounting post. The first end of the mounting post is disposed on the side of the mounting plate facing the LED module, and the second end of the mounting post extends toward the fixing bracket. The mounting post passes through the protection panel and is connected to the fixing bracket.

[0008] Further, the fixing bracket includes a fixing plate and a mounting beam assembly. The LED module is disposed on the mounting beam assembly. The fixing plate is provided with positioning posts that extend along the stacking direction of the fixing bracket and the LED display assembly. The positioning posts are provided with positioning through holes, and the protection panel is provided with avoidance holes. The mounting posts sequentially pass through the avoidance holes and the positioning through holes. The LED display device further includes a fastener. The second end of the mounting post is provided with a threaded hole, and the first end of the fastener is threadedly connected to the threaded hole, and the second end of the fastener is in stop cooperation with the positioning post; and / or, the mounting member includes two mounting plates and a plurality of mounting posts. The two mounting plates are respectively disposed on both sides of the fixing bracket in the vertical direction, and a plurality of mounting posts are disposed on each mounting plate. The plurality of mounting posts on each mounting plate are spaced apart in the vertical direction.

[0009] Further, the protection panel includes a PC board; and / or, the telescopic driving member includes a hydraulic rod.

[0010] Further, the LED display device further includes a buckle and a mating portion that cooperate with each other. One of the buckle and the mating portion is disposed at the lower end of the box body, and the other of the buckle and the mating portion is disposed at the lower end of the fixing bracket. When the LED display assembly is in the display position, the buckle is in locking cooperation with the mating portion to lock the LED display assembly in the display position.

[0011] Further, the LED display device further includes a light sensor probe for detecting brightness, a control member, and a power supply. The light sensor probe is disposed on the first side of the fixing bracket, and both the control member and the power supply are disposed in the box body. The power supply is electrically connected to the LED module, the light sensor probe is signal-connected to the control member, and the control member is signal-connected to the LED module to adjust the brightness of the LED module.

[0012] According to another aspect of the present invention, a vehicle is provided. The vehicle includes: a vehicle body; an LED display device disposed on the rear surface of the vehicle body, and the LED display device is the LED display device provided above; a connecting member disposed on the vehicle body, and the connecting member is connected to the LED display device to fix the LED display device on the rear surface of the vehicle body.

[0013] Further, the connecting member includes a steel sleeve, a fixed vertical beam, and a fixing screw. The steel sleeve is sleeved on the rear surface of the vehicle body, the fixed vertical beam is disposed on the inner surface of the rear surface of the vehicle body, and the fixed vertical beam is provided with a first fixing hole. The second side of the box body of the LED display device is provided with a second fixing hole. The fixing screw sequentially passes through the first fixing hole and the steel sleeve and is threadedly connected to the second fixing hole to fix the LED display device on the rear surface of the vehicle body.

[0014] Furthermore, the vehicle further includes a support frame, which is connected to the rear surface of the vehicle body. The lower end of the LED display device is placed on the support frame. The vehicle further includes fastening screws, which pass through the support frame and are connected to the lower end of the mounting bracket of the LED display device.

[0015] Applying the technical solution of the present utility model, the LED display device includes a box body, an LED display component, a telescopic driving member, and a protection component. The LED display device is arranged on the vehicle body. Through the LED display device, picture information can be displayed. The LED display component is arranged on the first side of the box body, and the display surface of the LED display component is arranged away from the box body. Moreover, the upper end of the LED display component is hinged to the upper end of the first side of the box body, and the lower end of the LED display component can be locked or unlocked with the lower end of the first side of the box body. Thus, when it is necessary to repair the LED display component, only the lower end of the LED display component needs to be unlocked from the lower end of the first side of the box body to place the LED display component in the maintenance position. Then, under the action of the telescopic driving member, the LED display component is driven to switch from the display position to the maintenance position. Since the upper end of the LED display component is connected to the upper end of the first side of the box body, the LED display component can rotate relative to the box body and away from the box body, which is convenient for repairing the LED display component when it is in the maintenance position. When it is necessary for the LED display component to display information, the telescopic driving member drives the LED display component to switch from the maintenance position to the display position, so that the LED display component rotates towards the box body, and the lower end of the LED display component is locked with the lower end of the first side of the box body, thereby ensuring that the LED display component can be in the display position. In addition, in order to prevent the display surface of the LED display component from being damaged, the protection panel of the protection component is arranged on one side of the display surface of the LED display component and is connected to the LED display component by passing through and using mounting parts. The protection panel can protect the display surface of the LED display component to avoid damage to the display surface. And when the protection panel is damaged, only the mounting parts need to be disassembled to disassemble and replace the protection panel, which is convenient for maintaining the LED display device. Moreover, the LED display device is arranged on the vehicle body and protrudes from the vehicle body, which can avoid the LED display device occupying the space inside the carriage, and improve the practicality and structural reliability of the LED display device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The specification drawings forming a part of this application are used to provide a further understanding of the present utility model. The schematic embodiments of the present utility model and their descriptions are used to explain the present utility model and do not constitute an improper limitation to the present utility model. In the drawings:

[0017] Figure 1Shows a schematic diagram of the LED display device provided by the embodiment of the present utility model in a maintenance position;

[0018] Figure 2 Shows a schematic diagram of the LED display device provided by the embodiment of the present utility model in a display position;

[0019] Figure 3 Shows an exploded view of the LED display device provided by the embodiment of the present utility model;

[0020] Figure 4 Shows a schematic structural diagram of the LED display device provided by the embodiment of the present utility model disposed on a vehicle body;

[0021] Figure 5 Shows a schematic structural diagram of the LED display device provided by the embodiment of the present utility model disposed on the vehicle body from another perspective;

[0022] Figure 6 Shows an exploded view of the LED display device provided by the embodiment of the present utility model disposed on the vehicle body.

[0023] Among them, the above-mentioned drawings include the following reference numerals:

[0024] 10, box body;

[0025] 20, LED display assembly; 21, fixing frame; 211, fixing plate; 212, mounting beam assembly; 22, LED module;

[0026] 30, telescopic driving member;

[0027] 40, protection assembly; 41, protection panel; 411, avoidance hole; 42, mounting member; 421, mounting plate; 422, mounting post;

[0028] 52, buckle; 53, light sensor probe;

[0029] 60, vehicle body;

[0030] 70, LED display device;

[0031] 80, connecting member; 81, steel sleeve; 82, fixed vertical beam; 83, fixing screw;

[0032] 90, support frame; 91, fastening screw. Detailed implementation manners

[0033] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and in no way restrictive of the present utility model and its application or use. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts belong to the scope of protection of the present utility model.

[0034] As Figures 1 to 3 shown, the embodiment of the present utility model provides an LED display device disposed on a vehicle body. The LED display device includes a box body 10, an LED display component 20, a telescopic driving member 30, and a protection component 40. The LED display component 20 is disposed on a first side of the box body 10, and the display surface of the LED display component 20 is disposed away from the box body 10. The upper end of the LED display component 20 is hinged to the upper end of the first side of the box body 10, and the lower end of the LED display component 20 can be locked or unlocked with the lower end of the first side of the box body 10, so that the LED display component 20 has a maintenance position away from the box body 10 and a display position close to the box body 10. The two ends of the telescopic driving member 30 are respectively hinged to the box body 10 and the LED display component 20 and can drive the LED display component 20 to switch between the maintenance position and the display position. The protection component 40 includes a protection panel 41 and a mounting member 42. The protection panel 41 is disposed on one side of the display surface of the LED display component 20, and the mounting member 42 passes through the protection panel 41 and is connected to the LED display component 20.

[0035] The LED display device provided in this embodiment is applied, and the LED display device includes a box body 10, an LED display assembly 20, a telescopic driving member 30 and a protective assembly 40. The LED display device is arranged on the vehicle body, and picture information can be displayed through the LED display device. The LED display assembly 20 is arranged on the first side of the box body 10, and the display surface of the LED display assembly 20 is arranged away from the box body 10. The upper end of the LED display assembly 20 is hinged to the upper end of the first side of the box body 10, and the lower end of the LED display assembly 20 can be locked or unlocked with the lower end of the first side of the box body 10, so that when it is necessary to When the LED display assembly 20 is to be repaired, it is only necessary to put the LED display assembly 20 in the maintenance position, that is, unlock the lower end of the LED display assembly 20 and the lower end of the first side of the box 10, and then drive the LED display assembly 20 to switch from the display position to the maintenance position under the action of the telescopic drive member 30. Since the upper end of the LED display assembly 20 is connected to the upper end of the first side of the box 10, the LED display assembly 20 can be rotated relative to the box 10 and in a direction away from the box 10, so that it is convenient to repair the LED display assembly 20 when the LED display assembly 20 is in the maintenance position. When the LED display assembly 20 needs to display information, the LED display assembly 20 is driven by the telescopic drive member 30 to switch from the maintenance position to the display position, so that the LED display assembly 20 rotates in a direction close to the box 10, and the lower end of the LED display assembly 20 is locked with the lower end of the first side of the box 10, so that it can be ensured that the LED display assembly 20 can be in the display position. Furthermore, in order to prevent the display surface of the LED display assembly 20 from being damaged, the protective panel 41 of the protective assembly 40 is arranged on one side of the display surface of the LED display assembly 20, and is penetrated by and connected to the LED display assembly 20 using a mounting member 42. The protective panel 41 can protect the display surface of the LED display assembly 20 to avoid damage to the display surface. When the protective panel 41 is damaged, only the mounting member 42 needs to be removed, and the protective panel 41 needs to be disassembled and replaced. This not only facilitates maintenance of the LED display device, but also sets the LED display device on the vehicle body and protrudes from the vehicle body to avoid the LED display device occupying space in the vehicle compartment, thereby improving the practicality and structural reliability of the LED display device.

[0036] like Figure 3As shown, the LED display assembly 20 includes a fixing frame 21 and an LED module 22 disposed on the fixing frame 21. The upper end of the fixing frame 21 is hinged to the upper end of the first side of the box body 10, and the lower end of the fixing frame 21 can be locked or unlocked with the lower end of the first side of the box body 10. A protection panel 41 is disposed on the fixing frame 21 and covers the front side of the LED module 22. With the above structure, the LED module 22 is disposed on the fixing frame 21, and the upper end of the fixing frame 21 can be hinged to the upper end of the first side of the box body 10, enabling the fixing frame 21 to rotate relative to the box body 10. Thus, when the LED display assembly 20 is in the maintenance position, the fixing frame 21 is driven by the telescopic driving member 30 to rotate away from the box body 10, facilitating the repair of the LED module 22. When the LED display assembly 20 is required to be in the display position to display information, the fixing frame 21 is driven by the telescopic driving member 30 to rotate towards the box body 10, and then the lower end of the fixing frame 21 is locked with the lower end of the first side of the box body 10, ensuring that the LED display assembly 20 remains in the display position all the time. The protection panel 41 is disposed on the fixing frame 21 and covers the front side of the LED module 22, facilitating the display function of the LED module 22 and also providing protection by the protection panel 41 to prevent damage to the LED module 22.

[0037] As Figure 3 shown, the mounting member 42 includes a mounting plate 421 and a mounting post 422. The first end of the mounting post 422 is disposed on the side of the mounting plate 421 facing the LED module 22, and the second end of the mounting post 422 extends towards the fixing frame 21. The mounting post 422 passes through the protection panel 41 and is connected to the fixing frame 21. With the above structure, the mounting member 42 includes the mounting plate 421 and the mounting post 422. The first end of the mounting post 422 is disposed on the side of the mounting plate 421 facing the LED module 22, enabling the protection panel 41 to cover the front side of the LED module 22. By passing the mounting post 422 through the protection panel 41 and connecting it to the fixing frame 21, it can be ensured that the protection panel 41 is fixed to the front side of the LED module 22 under the action of the mounting member 42.

[0038] As Figure 3As shown, the fixing bracket 21 includes a fixing plate 211 and a mounting beam assembly 212. The LED module 22 is disposed on the mounting beam assembly 212. The fixing plate 211 is provided with positioning posts. The positioning posts extend along the stacking direction of the fixing bracket 21 and the LED display assembly 20. The positioning posts are provided with positioning through holes. The protective panel 41 is provided with avoidance holes 411. The mounting posts 422 sequentially pass through the avoidance holes 411 and the positioning through holes. The LED display device further includes a fastener. The second end of the mounting post 422 is provided with a threaded hole. The first end of the fastener is threadedly connected to the threaded hole, and the second end of the fastener is in stop cooperation with the positioning post. With the above structure, the LED module 22 is disposed on the mounting beam assembly 212, which facilitates the installation and fixation of the LED module 22. The fixing plate 211 is provided with positioning posts that extend along the stacking direction of the fixing bracket 21 and the LED display assembly 20. The mounting posts 422 pass through the avoidance holes 411 on the protective panel 41 and the positioning through holes on the positioning posts, and the first end of the fastener is threadedly engaged with the threaded hole of the mounting post 422, which can ensure the threaded connection between the fastener and the mounting post 422 and also enable the second end of the fastener to be in stop cooperation with the positioning post. Thus, the mounting plate 421 can be fixed to the fixing bracket 21 through the fastener.

[0039] It should be noted that the surface of the protective panel 41 away from the LED module 22 is flush with the surface of the fixing bracket 21 away from the LED module 22, ensuring that the display surface of the LED display device is a whole plane and improving the flatness of the LED display device.

[0040] As Figure 3 As shown, the mounting member 42 includes two mounting plates 421 and a plurality of mounting posts 422. The two mounting plates 421 are respectively arranged vertically on both sides of the fixing bracket 21. Each mounting plate 421 is provided with a plurality of mounting posts 422. The plurality of mounting posts 422 on each mounting plate 421 are spaced apart in the vertical direction. With the above structure, by respectively arranging the two mounting plates 421 vertically on both sides of the fixing bracket 21 and spacing a plurality of mounting posts 422 in the vertical direction on each mounting plate 421, it can be ensured that the protective panel 41 is fixed to the fixing bracket 21 through the mounting member 42, and the structural strength of the mounting member 42 is improved.

[0041] In this embodiment, the protective panel 41 includes a PC board. By setting the protective panel 41 as a PC board, it is convenient to display the information of the LED module 22 through the protective panel 41, which is not only convenient for observation but also convenient for disassembling and replacing the protective panel 41, reducing the maintenance cost. It can also prevent dust from sticking to the surface of the LED module 22, protecting the LED module 22. When the protective panel 41 is dirty, only by wiping the protective panel 41 can the smoothness of the LED display assembly 20 be ensured.

[0042] In this embodiment, the telescopic driving member 30 includes a hydraulic rod. By setting the telescopic driving member 30 as a hydraulic rod, it is convenient to control, making the control method simple and facilitating the switching of the LED display assembly 20 between the display position and the maintenance position.

[0043] As Figure 1 and Figure 3 shown, the LED display device further includes a buckle 52 and a mating portion that cooperate with each other. One of the buckle 52 and the mating portion is provided at the lower end of the box body 10, and the other of the buckle 52 and the mating portion is provided at the lower end of the fixing frame 21. When the LED display assembly 20 is in the display position, the buckle 52 is locked and mated with the mating portion to lock the LED display assembly 20 in the display position. With the above structure, by using the cooperation between the buckle 52 and the mating portion, when the LED display assembly 20 is in the display position, it is locked and mated through the buckle 52 and the mating portion, which is convenient for ensuring the locking of the LED display assembly 20 with the box body 10.

[0044] As Figure 1 and Figure 2 shown, the LED display device further includes a light sensor probe 53 for detecting brightness, a control member, and a power supply. The light sensor probe 53 is provided on the first side of the fixing frame 21, the control member and the power supply are both provided in the box body 10, the power supply is electrically connected to the LED module 22, the light sensor probe 53 is signal-connected to the control member, and the control member is signal-connected to the LED module 22 to adjust the brightness of the LED module 22. With the above structure, by providing the light sensor probe 53 on the first side of the fixing frame 21, it is convenient to use the light sensor probe 53 to detect the brightness of the surrounding environment and feedback the signal to the control member, and the control member adjusts the brightness of the LED module 22.

[0045] As Figures 4 to 6 shown, another embodiment of the present utility model provides a vehicle, which includes a vehicle body 60, an LED display device 70, and a connecting member 80. The LED display device 70 is provided on the rear surface of the vehicle body 60, the LED display device 70 is the above-provided LED display device, the connecting member 80 is provided on the vehicle body 60, and the connecting member 80 is connected to the LED display device 70 to fix the LED display device 70 on the rear surface of the vehicle body 60. With the above structure, the LED display device 70 is provided on the rear surface of the vehicle body 60 and protrudes from the rear surface, so that the LED display device 70 does not occupy the carriage space, is convenient for maintenance, and plays a display role. By providing the connecting member 80 on the vehicle body 60, it is convenient to use the connecting member 80 to fix the LED display device 70 on the rear surface of the vehicle body 60, which is convenient for installation and disassembly. Furthermore, when maintaining the LED display device 70, it will not affect the volume of the carriage of the vehicle body 60, and it is not necessary to disassemble the LED display device 70, which is convenient for maintaining the LED display device 70.

[0046] As Figure 6 shown, the connecting member 80 includes a steel sleeve 81, a fixed vertical beam 82 and a fixing screw 83. The steel sleeve 81 is passed through the rear surface of the vehicle body 60, the fixed vertical beam 82 is arranged on the inner surface of the rear surface of the vehicle body 60, a first fixing hole is arranged on the fixed vertical beam 82, a second fixing hole is arranged on the second side of the box body 10 of the LED display device 70, and the fixing screw 83 is sequentially passed through the first fixing hole and the steel sleeve 81 and is threadedly connected with the second fixing hole to fix the LED display device 70 on the rear surface of the vehicle body 60. With the connecting member 80 having the above structure, the steel sleeve 81 is passed through the rear surface of the vehicle body 60, the fixed vertical beam 82 is arranged on the inner surface of the rear surface of the vehicle body 60, the fixing screw 83 is sequentially passed through the first fixing hole of the fixed vertical beam 82, the steel sleeve 81 and the second fixing hole, and the fixing screw 83 is in threaded cooperation with the second fixing hole, so that it is convenient to fix the LED display device 70 on the rear surface of the vehicle body 60. By directly arranging the steel sleeve 81 on the rear surface of the vehicle body 60, it can be avoided that the fixing screw 83 directly passing through the rear surface of the vehicle body 60 will shake due to the gaps existing on the vehicle body 60, thereby affecting the stability of the LED display device 70. The steel sleeve 81 can not only play a guiding role for the fixing screw 83, but also the steel sleeve 81 can be embedded on the rear surface of the vehicle body 60. Even if there are gaps on the rear surface of the vehicle body 60, the steel sleeve 81 can be stably arranged on the rear surface of the vehicle body 60, ensuring the stability of the fixing screw 83 passing through the fixed vertical beam 82 and the steel sleeve 81 and being connected and fixed with the LED display device 70.

[0047] It should be noted that the steel sleeve 81 can ensure that the distance between the fixed vertical beam 82 and the LED display device 70 is the same, ensuring the flatness of the LED display device. The contact area between the fixing screw 83 between the fixed vertical beam 82 and the LED display device 70 and the rear surface of the vehicle body 60 is increased, ensuring the firmness and stability of fixing the LED display device 70.

[0048] As Figure 6 shown, the vehicle further includes a support frame 90. The support frame 90 is connected to the rear surface of the vehicle body 60, the lower end of the LED display device 70 is placed on the support frame 90, and the vehicle further includes a fastening screw 91. The fastening screw 91 is passed through the support frame 90 and is connected to the lower end of the mounting bracket of the LED display device 70. With the above structure, by arranging the support frame 90 on the rear surface of the vehicle body 60, the lower end of the LED display device 70 is placed on the support frame 90, and the fastening screw 91 passed through the support frame 90 can be connected to the lower end of the mounting bracket of the LED display device 70, so that the support frame 90 can support the LED display device 70, and the fastening screw 91 can also ensure that the LED display assembly 20 is fixed at the display position.

[0049] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. Without additional declaration, the above terms have no special meaning, so it cannot be understood as a limitation on the protection scope of the present utility model.

[0050] The above is only the preferred embodiment of the present utility model and is not used to limit the present utility model. For those skilled in the art, the present utility model can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. An LED display device is provided on a vehicle body, characterized in that, The LED display device includes: a cabinet (10); an LED display component (20) arranged on the first side of the cabinet (10), the display surface of the LED display component (20) being arranged away from the cabinet (10), the upper end of the LED display component (20) being hinged to the upper end of the first side of the cabinet (10), and the lower end of the LED display component (20) being capable of being locked or unlocked with the lower end of the first side of the cabinet (10), so that the LED display component (20) has a maintenance position away from the cabinet (10) and a display position close to the cabinet (10); a telescopic driving member (30), both ends of the telescopic driving member (30) being hinged to the cabinet (10) and the LED display component (20) respectively and capable of driving the LED display component (20) to switch between the maintenance position and the display position; a protection component (40), including a protection panel (41) and a mounting member (42), the protection panel (41) being arranged on one side of the display surface of the LED display component (20), and the mounting member (42) passing through the protection panel (41) and being connected to the LED display component (20).

2. The LED display device according to claim 1, wherein The LED display component (20) includes a fixing frame (21) and an LED module (22) arranged on the fixing frame (21), the upper end of the fixing frame (21) being hinged to the upper end of the first side of the cabinet (10), the lower end of the fixing frame (21) being capable of being locked or unlocked with the lower end of the first side of the cabinet (10), and the protection panel (41) being arranged on the fixing frame (21) and covering the front side of the LED module (22).

3. The LED display device according to claim 2, wherein The mounting member (42) includes a mounting plate (421) and a mounting post (422), the first end of the mounting post (422) being arranged on the side of the mounting plate (421) facing the LED module (22), the second end of the mounting post (422) extending in the direction close to the fixing frame (21), the mounting post (422) passing through the protection panel (41) and being connected to the fixing frame (21).

4. The LED display device according to claim 3, wherein the fixing frame (21) includes a fixing plate (211) and a mounting beam assembly (212), the LED module (22) being arranged on the mounting beam assembly (212), positioning posts being arranged on the fixing plate (211), the positioning posts extending along the stacking direction of the fixing frame (21) and the LED display component (20), positioning through holes being arranged in the positioning posts, avoiding holes (411) being arranged on the protection panel (41), the mounting posts (422) passing through the avoiding holes (411) and the positioning through holes in sequence, the LED display device further including fasteners, threaded holes being arranged at the second ends of the mounting posts (422), the first ends of the fasteners being threadedly connected to the threaded holes, and the second ends of the fasteners being in stop cooperation with the positioning posts; and / or, The mounting member (42) includes two of the mounting plates (421) and a plurality of the mounting posts (422). The two mounting plates (421) are respectively arranged vertically on both sides of the fixing frame (21). A plurality of the mounting posts (422) are arranged on each mounting plate (421), and the plurality of the mounting posts (422) on each mounting plate (421) are arranged at intervals in the vertical direction.

5. The LED display device according to claim 1, wherein the protective panel (41) includes a PC board; and / or the telescopic driving member (30) includes a hydraulic rod.

6. The LED display device according to claim 2, wherein, The LED display device further includes a buckle (52) and a mating portion that cooperate with each other. One of the buckle (52) and the mating portion is arranged at the lower end of the box body (10), and the other of the buckle (52) and the mating portion is arranged at the lower end of the fixing frame (21). When the LED display assembly (20) is in the display position, the buckle (52) is locked and mated with the mating portion to lock the LED display assembly (20) in the display position.

7. The LED display device according to claim 2, characterized in that, The LED display device further includes a light sensor probe (53) for detecting brightness, a control member, and a power supply. The light sensor probe (53) is arranged on the first side of the fixing frame (21), the control member and the power supply are both arranged in the box body (10), the power supply is electrically connected to the LED module (22), the light sensor probe (53) is signal-connected to the control member, and the control member is signal-connected to the LED module (22) to adjust the brightness of the LED module (22).

8. A vehicle, characterized in that, The vehicle includes: a vehicle body (60); an LED display device (70) arranged on the rear surface of the vehicle body (60), and the LED display device (70) is the LED display device according to any one of claims 1 to 7; a connecting member (80) arranged on the vehicle body (60), and the connecting member (80) is connected to the LED display device (70) to fix the LED display device (70) on the rear surface of the vehicle body (60).

9. The vehicle according to claim 8, characterized in that, The connecting member (80) includes a steel sleeve (81), a fixed vertical beam (82), and a fixing screw (83). The steel sleeve (81) is penetrated through the rear surface of the vehicle body (60), the fixed vertical beam (82) is arranged on the inner surface of the rear surface of the vehicle body (60), a first fixing hole is arranged on the fixed vertical beam (82), a second fixing hole is arranged on the second side of the box body (10) of the LED display device (70), and the fixing screw (83) sequentially passes through the first fixing hole and the steel sleeve (81) and is threadedly connected to the second fixing hole to fix the LED display device (70) on the rear surface of the vehicle body (60).

10. The vehicle according to claim 8, characterized in that, The vehicle further includes a support frame (90), the support frame (90) is connected to the rear surface of the vehicle body (60), the lower end of the LED display device (70) is placed on the support frame (90), the vehicle further includes a fastening screw (91), and the fastening screw (91) passes through the support frame (90) and is connected to the lower end of the mounting bracket of the LED display device (70).

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