CN216980055U - Display screen and rail transit vehicle - Google Patents
Display screen and rail transit vehicle Download PDFInfo
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- CN216980055U CN216980055U CN202220160831.5U CN202220160831U CN216980055U CN 216980055 U CN216980055 U CN 216980055U CN 202220160831 U CN202220160831 U CN 202220160831U CN 216980055 U CN216980055 U CN 216980055U
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- 230000001681 protective effect Effects 0.000 claims abstract description 34
- 238000009434 installation Methods 0.000 claims abstract description 17
- 239000004973 liquid crystal related substance Substances 0.000 claims description 14
- 210000005069 ears Anatomy 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 9
- 230000017525 heat dissipation Effects 0.000 claims description 6
- 238000010276 construction Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model discloses a display screen and a rail transit vehicle. The display screen provided by the utility model is used for a rail transit vehicle and comprises a screen assembly, a main control panel and a protective cover. The screen assembly is including the LCD screen and the backlight unit that set gradually, backlight unit keeps away from one side of LCD screen is equipped with the backplate, the backplate deviates from the surface of LCD screen is equipped with the installation region, main control board detachably is fixed in the installation region, protective cover detachably is fixed in the surface of backplate, and the shroud the top of installation region. The technical scheme of the utility model aims to optimize the structure of the display screen, reduce the thickness of the display screen and simplify the assembly of the display screen.
Description
Technical Field
The utility model relates to the technical field of rail transit equipment, in particular to a display screen and a rail transit vehicle using the same.
Background
With the rapid increase of urban population, urban rail transit vehicles have the advantages of large passenger capacity, rapid operation, accurate arrival time, environmental protection, energy conservation and the like, effectively improve the urban traffic jam phenomenon, and become one of the main public transport means for urban trip. Generally, a display screen needs to be provided inside the rail transit vehicle in order to provide passengers inside the vehicle with arrival information and the like of the rail transit vehicle in real time. The existing display screen comprises a screen component, a front frame, a main control panel and a protective cover, wherein the main control panel is fixed on the front frame, the protective cover is connected with the front frame and covers the main control panel, and then the front frame is fixed with the screen component, so that the display screen is assembled. The structure not only makes the thickness of the display screen thick and needs to occupy more installation space, but also makes the assembly more complex.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a display screen, aiming at optimizing the structure of the display screen, reducing the thickness of the display screen and simplifying the assembly of the display screen.
In order to achieve the above object, the present invention provides a display screen for a rail transit vehicle, the display screen comprising:
the screen assembly comprises a liquid crystal screen and a backlight module which are sequentially arranged, a back plate is arranged on one side of the backlight module, which is far away from the liquid crystal screen, and an installation area is arranged on the surface of the back plate, which is far away from the liquid crystal screen;
the main control board is detachably fixed in the installation area; and
and the protective cover is detachably fixed on the surface of the back plate and covers the upper part of the mounting area.
In an embodiment of the present invention, a plurality of first mounting holes are formed in the mounting area, the main control board is provided with a plurality of fixing holes, and the main control board is fixed to the mounting area by matching of a connecting piece with the fixing holes and the first mounting holes.
In an embodiment of the present invention, a plurality of second mounting holes are further disposed on an edge of the mounting area;
the protective cover is equipped with the connecting hole, the protective cover with the backplate butt, the protective cover pass through the connecting piece with the connecting hole with the cooperation detachably of second mounting hole connect in the surface of backplate.
In an embodiment of the present invention, the protective cover includes a protective plate, two side plates and two connecting plates, the two side plates are connected to two opposite sides of the protective plate, one of the connecting plates is connected to one of the side plates, the connecting plate is abutted to the back plate, and the connecting plate is provided with the connecting hole.
In an embodiment of the present invention, the side plate is provided with a plurality of heat dissipation holes.
In an embodiment of the utility model, the protection plate, the two side plates and the two connecting plates are an integrated structure.
In an embodiment of the present invention, the display screen further includes an expansion interface, the expansion interface is connected to the main control board, one of the two side boards is provided with a relief port, and the expansion interface is disposed toward the relief port;
the display screen further comprises a sealing plate, and the sealing plate is fixedly connected with the side plate and seals the yielding port.
In an embodiment of the present invention, the screen assembly has a length direction and a width direction, and the display screen further includes mounting ears, the mounting ears are fixed to two sides of the back plate in the length direction, and the mounting ears are used for being fixed to a rail transit vehicle.
In an embodiment of the present invention, the display screen further includes a handle, and the handle is fixed on the surface of the back plate and located at two ends of the back plate in the length direction.
The utility model also provides a rail transit vehicle which comprises the display screen.
The display screen provided by the technical scheme of the utility model is used for the rail transit vehicle and comprises a screen assembly, a main control panel and a protective cover. The screen assembly is equipped with the backplate including the LCD screen and the backlight unit that set gradually, and one side that backlight unit kept away from the LCD screen is equipped with the installation region, and the backplate deviates from the surface of LCD screen, and main control board detachably is fixed in the installation region, and protective cover detachably is fixed in the surface of backplate to shroud the top of installation region. In the technical scheme of the utility model, the main control board and the protective cover are directly fixed with the back plate of the screen assembly, so that the front frame part can be saved, the thickness of the whole display screen is reduced, the assembly process of the display screen is simplified due to the saving of parts, and the assembly efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a display panel according to an embodiment of the present invention;
FIG. 2 is a schematic view of the display panel of FIG. 1 from another viewing angle;
fig. 3 is an exploded view of the display panel of fig. 1.
The reference numbers illustrate:
100. a display screen;
10. a screen assembly; 11. a back plate; 111. an installation area; 113. a first mounting hole; 115. a second mounting hole;
20. a main control board; 21. a fixing hole;
30. a protective cover; 31. a protection plate; 33. a side plate; 331. heat dissipation holes; 333. a let position port; 35. a connecting plate; 351. connecting holes;
40. a sealing plate; 50. mounting lugs; 60. a handle.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B," including either the A or B arrangement, or both A and B satisfied arrangement. In addition, technical solutions between the embodiments may be combined with each other, but must be based on the realization of the technical solutions by a person skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The present invention provides a display screen 100.
Referring to fig. 1 to 3, a display screen 100 according to an embodiment of the present invention is used for a rail transit vehicle (not shown), where the display screen 100 includes:
the screen assembly 10 comprises a liquid crystal screen (not marked) and a backlight module (not marked) which are sequentially arranged, a back plate 11 is arranged on one side, away from the liquid crystal screen, of the backlight module, and a mounting area 111 is arranged on the surface, away from the liquid crystal screen, of the back plate 11;
the main control board 20, the main control board 20 is detachably fixed to the installation area 111; and
and the protective cover 30 is detachably fixed on the surface of the back plate 11, and covers the mounting area 111.
The display screen 100 of the technical scheme of the utility model is used for a rail transit vehicle, and the display screen 100 comprises a screen assembly 10, a main control panel 20 and a protective cover 30. The screen assembly 10 comprises a liquid crystal screen and a backlight module which are sequentially arranged, a back plate 11 is arranged on one side, away from the liquid crystal screen, of the backlight module, a mounting area 111 is arranged on the surface, away from the liquid crystal screen, of the back plate 11, a main control board 20 is detachably fixed on the mounting area 111, a protective cover 30 is detachably fixed on the surface of the back plate 11, and the mounting area 111 is covered. In the technical scheme of the utility model, the main control panel 20 and the protective cover 30 are directly fixed with the back plate 11 of the screen assembly 10, so that the front frame part can be saved, the thickness of the whole display screen 100 is reduced, the assembly process of the display screen 100 is simplified due to the saving of the parts, and the assembly efficiency of the display screen 100 is improved.
The rail transit vehicle can be a subway, and can also be a rail train such as a light rail. At least one display screen 100 may be disposed inside the compartment of the rail transit vehicle. The display screen 100 may be used to display riding information, arrival information, door opening information, compartment environment information, etc. of the rail transit vehicle. The screen assembly 10 includes a liquid crystal panel and a backlight module. Wherein, the LCD screen is towards the inside setting in carriage, and backlight unit can provide the light source for the LCD screen, and backlight unit locates the surface setting that the LCD screen deviates from the carriage. The backlight module may be a direct type backlight module or a side type backlight module, and is not limited herein. The lateral backlight module can reduce the overall thickness of the display screen 100, so that the display screen 100 is thinner and lighter. The back plate 11 is a supporting member in the backlight module. Generally, the back plate 11 is made of metal, so that the back plate 11 can ensure sufficient strength and has good heat dissipation performance.
The surface of the back plate 11 departing from the liquid crystal screen is provided with a mounting area 111, and the mounting area 111 is correspondingly provided with a structure fixed with the main control board 20 and the protective cover 30, so that the main control board 20 and the protective cover 30 can be fixedly mounted.
Referring to fig. 3, in an embodiment of the present invention, a plurality of first installation holes 113 are formed in the installation region 111, the main control board 20 is provided with a plurality of fixing holes 21, and the main control board 20 is fixed to the installation region 111 by the connection of the connecting members and the fixing holes 21 and the first installation holes 113. The edge of the mounting region 111 is further provided with a plurality of second mounting holes 115;
the protecting cover 30 is provided with a connecting hole 351, the protecting cover 30 abuts against the back plate 11, and the protecting cover 30 is detachably connected to the surface of the back plate 11 through the matching of a connecting piece with the connecting hole 351 and the second mounting hole 115.
In the technical solution of an embodiment of the present invention, the first mounting hole 113 and the second mounting hole 115 are both threaded holes, and the diameters of the first mounting hole 113 and the second mounting hole 115 are the same, so that the main control board 20 and the protective cover 30 can be fixed by the same screw, and the universality of the connecting screw is improved, thereby improving the screw. The number of the first mounting holes 113 is plural, and the plural first mounting holes 113 are arranged at intervals along the shape of the main control panel 20. There are a plurality of second mounting holes 115, and a plurality of second mounting holes 115 are spaced along an edge of the barrier cover 30.
Further, with reference to fig. 3, in an embodiment of the present invention, the protecting cover 30 includes a protecting plate 31, two side plates 33 and two connecting plates 35, the two side plates 33 are connected to two opposite sides of the protecting plate 31, one of the connecting plates 35 is connected to one of the side plates 33, the connecting plate 35 is abutted to the back plate 11, and the connecting plate 35 is provided with the connecting hole 351.
In the technical solution of an embodiment of the present invention, the protective cover 30 is made of a metal material, and the protective plate 31, the two side plates 33 and the two connecting plates 35 can be formed into an integrated structure by a sheet metal process, so as to improve the structural strength of the protective cover 30. Curb plate 33 is the contained angle setting with guard plate 31, and connecting plate 35 is the contained angle setting with curb plate 33, and connecting plate 35 can be with the surperficial butt of backplate 11. The protection plate 31 is arranged in parallel with the back plate 11. The protective cover 30 may protect the main control panel 20 and the electronic components fixed to the mounting region 111. Meanwhile, the side plate 33 is further provided with a plurality of heat dissipation holes 331, and the heat dissipation holes 331 can dissipate heat generated by the main control board 20 during operation, so as to avoid over-high temperature and burning out electronic components. The main control board 20 is further connected to an interface (not labeled), which includes a network interface (not labeled), a power interface (not labeled), and the like, and the main control board 20 provides power, a network, and the like. In addition to the above structure, the main control board 20 is further connected to an expansion interface (not labeled), the expansion interface is connected to the main control board 20, one of the two side boards 33 is provided with a relief port 333, and the expansion interface is arranged towards the relief port 333; the display panel 100 further includes a sealing plate 40, wherein the sealing plate 40 is fixedly connected to the side plate 33 and seals the position-giving opening 333. The expansion interface may be a data interface or a storage interface, and the functions of the display screen 100 may be further expanded by providing the expansion interface. The sealing plate 40 and the side plate 33 can be connected through screws, when the expansion interface is needed to be used, the sealing plate 40 can be detached, and when the expansion interface is not needed to be used, the expansion interface can be sealed.
Further, referring to fig. 1 to 3, in an embodiment of the present invention, the screen assembly 10 has a length direction and a width direction, the display screen 100 further includes mounting ears 50, the mounting ears 50 are fixed to two sides of the back plate 11 in the length direction, and the mounting ears 50 are used for being fixed to a rail transit vehicle.
In one embodiment of the present invention, the display screen 100 is substantially rectangular to match the vehicle cabin. The mounting ears 50 may be welded or fixed to two sides of the back plate 11 in the length direction by screws, and the entire display screen 100 may be fixed in the compartment of the rail transit vehicle by the mounting ears 50. The number of the mounting ears 50 is plural to improve the reliability of the fixing of the display screen 100. The mounting lug 50 is substantially L-shaped, the mounting lug 50 is provided with a through hole (not labeled), and the mounting lug 50 is fixedly connected with the carriage through a screw. In some embodiments, the display screen 100 further includes a handle 60, and the handle 60 is fixed on the surface of the back panel 11 and located at two ends of the back panel 11 in the length direction. The material of handle 60 can be flexible material, and during assembly, the transportation of display screen 100, be convenient for exert external force to display screen 100 through handle 60, promote the convenience of using.
The utility model further provides a rail transit vehicle, which comprises a plurality of carriages, wherein each carriage is provided with at least one display screen 100, the specific structure of the display screen 100 refers to the embodiment, and the rail transit vehicle adopts all the technical schemes of all the embodiments, so that the rail transit vehicle at least has all the beneficial effects brought by the technical schemes of the embodiments, and the detailed description is omitted.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. The utility model provides a display screen for rail transit car, its characterized in that, the display screen includes:
the screen assembly comprises a liquid crystal screen and a backlight module which are sequentially arranged, a back plate is arranged on one side of the backlight module, which is far away from the liquid crystal screen, and an installation area is arranged on the surface of the back plate, which is far away from the liquid crystal screen;
the main control board is detachably fixed in the installation area; and
and the protective cover is detachably fixed on the surface of the back plate and covers the upper part of the mounting area.
2. The display screen of claim 1, wherein a plurality of first mounting holes are formed in the mounting area, the main control board is provided with a plurality of fixing holes, and the main control board is fixed to the mounting area through the matching of connecting pieces with the fixing holes and the first mounting holes.
3. The display screen of claim 1, wherein the edge of the mounting area is further provided with a plurality of second mounting holes;
the protective cover is equipped with the connecting hole, the protective cover with the backplate butt, the protective cover pass through the connecting piece with the connecting hole with the cooperation detachably of second mounting hole connect in the surface of backplate.
4. The display screen of claim 3, wherein the protective cover comprises a protective plate, two side plates and two connecting plates, the two side plates are connected to two opposite sides of the protective plate, one connecting plate is connected with one side plate, the connecting plate is abutted against the back plate, and the connecting plate is provided with the connecting hole.
5. The display screen of claim 4, wherein the side panel is provided with a plurality of heat dissipation apertures.
6. The display screen of claim 4, wherein the protective plate, the two side plates, and the two connecting plates are of a unitary construction.
7. The display screen of claim 4, wherein the display screen further comprises an expansion interface, the expansion interface is connected with the main control board, one of the two side boards is provided with a position-giving opening, and the expansion interface is arranged towards the position-giving opening;
the display screen also comprises a sealing plate, and the sealing plate is fixedly connected with the side plate and seals the yielding port.
8. The display screen of claim 1, wherein the screen assembly has a length direction and a width direction, the display screen further comprising mounting ears secured to opposite sides of the length direction of the back panel, the mounting ears adapted to be secured to a rail transit vehicle.
9. The display screen of claim 8, further comprising handles affixed to the surface of the back panel at opposite ends of the length of the back panel.
10. A rail transit vehicle comprising a display screen as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220160831.5U CN216980055U (en) | 2022-01-18 | 2022-01-18 | Display screen and rail transit vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220160831.5U CN216980055U (en) | 2022-01-18 | 2022-01-18 | Display screen and rail transit vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216980055U true CN216980055U (en) | 2022-07-15 |
Family
ID=82352329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220160831.5U Active CN216980055U (en) | 2022-01-18 | 2022-01-18 | Display screen and rail transit vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216980055U (en) |
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2022
- 2022-01-18 CN CN202220160831.5U patent/CN216980055U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 518000, 202 West Side, Assembly Plant 2, Shapu Community Rail Transit Equipment Science and Technology Park, Songgang Street, Bao'an District, Shenzhen, Guangdong Province Patentee after: Beihai Communication (Shenzhen) Group Co.,Ltd. Country or region after: China Address before: 518000 Room 403, building B, new retail Digital Industrial Park, Nanchang community, Xixiang street, Bao'an District, Shenzhen, Guangdong Patentee before: SHENZHEN BEIHAI RAIL TRANSIT TECHNOLOGY CO.,LTD. Country or region before: China |