Liquid crystal screen rain cover suitable for subway elevated platform

Abstract

The utility model discloses a liquid crystal screen rain cover suitable for a subway elevated platform, which comprises a main body frame, a protective cover is arranged outside the main body frame, the main body frame comprises a first mounting plate, a stand column, a connecting plate, a second mounting plate and a cover plate, the stand column is arranged at the bottom of the first mounting plate, and the connecting plate is arranged at the bottom end of the stand column. The two sides of the connecting plate are each provided with a second mounting plate used for being connected with the liquid crystal display screen, the cover plate is arranged between the first mounting plate and the connecting plate, and the stand column penetrates through and is connected to the cover plate. The main body frame is arranged to install and fix the liquid crystal display screen, the protective cover is arranged to protect the liquid crystal display screen, the liquid crystal display screen is effectively prevented from being eroded by wind, rain and dust, the fault occurrence rate of the display screen is reduced, and the detachable plate is arranged on the side portion of the protective cover and is convenient to disassemble and assemble. And a worker can conveniently overhaul the liquid crystal display screen in the protection cover, the working efficiency is improved, and the fault processing time is shortened.

Description

Technical Field

[0001] The utility model relates to the technical field of rail transit information systems, and particularly relates to a rain shield for a liquid crystal display screen suitable for a subway elevated platform. Background Technique

[0002] The Passenger Information System (PIS) of urban rail transit adopts mature and reliable network technology and multimedia transmission and display technology. With computer technology as the core and station and on-vehicle display terminals as the medium, it provides information services to passengers. Under normal circumstances, the PIS system will set multiple liquid crystal display screens in the platform and concourse, and multiple areas are divided in the same liquid crystal display screen to display different formats and different types of media information in different areas, so as to provide passengers with various dynamic multimedia information such as riding instructions, station / train service time, train timetable, government announcements, operator announcements, media news, advertisements, etc. Therefore, the liquid crystal display screen plays a crucial role in the urban rail transit system.

[0003] In actual situations, since some rail transit stations are above-ground stations, the platforms are designed with openings around, the wind speed inside the platform is large and prone to generate disordered winds, and the platform top is covered with glass. There is a phenomenon of platform leakage in rainy and snowy weather. Therefore, the liquid crystal display screen is extremely prone to being damaged by the wind or getting water in such an environment, resulting in various screen failures, affecting the safe operation of the equipment and the high-quality operation of the PIS system. Content of the Utility Model

[0004] The purpose of the utility model is to provide a rain shield for a liquid crystal display screen suitable for a subway elevated platform, which isolates the liquid crystal display screen from environmental hazards such as rain, sun exposure, and dust, reduces the equipment failure rate, saves labor costs, and achieves the purpose of cost reduction and efficiency increase, solving the problems in the prior art.

[0005] To achieve the above purpose, the utility model provides the following technical solutions:

[0006] A rain shield for a liquid crystal display screen suitable for a subway elevated platform includes a main body frame. A protective cover is arranged outside the main body frame. The main body frame includes a first mounting plate, columns, a connecting plate, a second mounting plate, and a cover plate. Columns are arranged at the bottom of the first mounting plate. Connecting plates are arranged at the bottom ends of the columns. A second mounting plate for connecting the liquid crystal display screen is arranged on each side of the connecting plate. The cover plate is arranged between the first mounting plate and the connecting plate. The columns penetrate and are connected to the cover plate.

[0007] Preferably, the first mounting plate, columns, connecting plate, second mounting plate, and cover plate are of an integral structure.

[0008] Preferably, four first mounting holes are symmetrically arranged on the first mounting plate, and the top surface of the first mounting plate is connected to the bottom surface of the subway platform cross beam.

[0009] Preferably, the connecting plate has an inverted trapezoidal structure. The middle position of the second mounting plate is connected to the inclined side surface of the connecting plate. The top end of the second mounting plate inclines away from the connecting plate, and the inclination angle is not less than 20°.

[0010] Preferably, anti-detachment grooves are symmetrically formed on the second mounting plate. The anti-detachment grooves are wider at the top and narrower at the bottom, and the two second mounting plates are symmetrically arranged.

[0011] Preferably, the protective cover has an inverted trapezoidal hollow structure. The inclined side surfaces of the protective cover have the same inclination angle as the corresponding second mounting plate. Through grooves are formed on the inclined side surfaces of the protective cover, and high-definition tempered glass is installed in the through grooves.

[0012] Preferably, through grooves for installing detachable plates are formed on the two straight side surfaces of the protective cover. The detachable plates are connected to the protective cover by bolts.

[0013] Preferably, heat dissipation slotted holes are formed on both the detachable plates and the bottom surface of the protective cover.

[0014] Preferably, corresponding second mounting holes are formed on the top surfaces of the cover plate and the protective cover.

[0015] Preferably, the length and width values of the high-definition tempered glass are not less than the length and width values of the liquid crystal display screen.

[0016] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0017] 1. The present utility model provides a main body frame for installing and fixing the liquid crystal display screen, and a protective cover for protecting the liquid crystal display screen, effectively avoiding the liquid crystal display screen from being eroded by wind, rain and dust, and reducing the failure rate of the display screen.

[0018] 2. In the present utility model, detachable plates are arranged on the sides of the protective cover, which are convenient to disassemble and assemble, facilitating the maintenance staff to repair the liquid crystal display screen in the protective cover, improving work efficiency and reducing the fault handling time.

[0019] 3. In the present utility model, heat dissipation slotted holes are arranged on both the protective cover and the detachable plates, avoiding failures caused by overheating of the equipment in high-temperature seasons.

[0020] 4. In the present utility model, the first mounting plate is fixed on the platform cross beam with screws, then the backplane hook of the liquid crystal display screen is hung in the anti-detachment groove of the second mounting plate, and finally the protective cover is covered and fixed to the cover plate with screws. The overall installation is simple and fast. The protective cover and the main body frame are integrally cast, with high structural strength and good protection effect. Description of the Drawings

[0021] Figure 1Isometric view of the overall structure of the present utility model;

[0022] Figure 2 Top view of the overall structure of the present utility model;

[0023] Figure 3 Bottom view of the overall structure of the present utility model;

[0024] Figure 4 Side view of the overall structure of the present utility model;

[0025] Figure 5 Isometric view of the main frame of the present utility model.

[0026] Figure 6 Isometric view of the protective cover of the present utility model.

[0027] In the figure: 1, main frame; 2, protective cover; 3, first mounting plate; 4, column; 5, connecting plate; 6, second mounting plate; 7, cover plate; 8, first mounting hole; 9, anti - detachment groove; 10, high - definition tempered glass; 11, detachable plate; 12, heat dissipation slot hole; 13, second mounting hole. Specific implementation mode

[0028] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with 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. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model.

[0029] To solve the problem that in the prior art, the liquid crystal display screen on the exposed platform is easily eroded by wind and rain and various screen failures are likely to occur, the following technical solutions are given. Please refer to Figure 1-6 ;

[0030] A rain - proof cover for a liquid crystal screen applicable to a subway elevated platform, comprising a main frame 1. A protective cover 2 is provided outside the main frame 1. The main frame 1 includes a first mounting plate 3, columns 4, connecting plates 5, a second mounting plate 6 and a cover plate 7. Columns 4 are provided at the bottom of the first mounting plate 3. Connecting plates 5 are provided at the bottom ends of the columns 4. A second mounting plate 6 for connecting the liquid crystal display screen is provided on each side of the connecting plate 5. The cover plate 7 is provided between the first mounting plate 3 and the connecting plate 5. The columns 4 penetrate and are connected to the cover plate 7.

[0031] The first mounting plate 3, columns 4, connecting plates 5, second mounting plate 6 and cover plate 7 are of an integral structure, with high structural strength.

[0032] Four first mounting holes 8 are symmetrically provided on the first mounting plate 3, and the top surface 3 of the first mounting plate is connected to the bottom surface of the subway platform cross beam.

[0033] The connecting plate 5 has an inverted trapezoidal structure. The middle position of the second mounting plate 6 is connected to the inclined side surface of the connecting plate 5. The top end of the second mounting plate 6 inclines away from the connecting plate 5, and the inclination angle is not less than 20°. The inclination angle is determined by the vertical height of the liquid crystal display screen from the platform ground and the passenger viewing angle.

[0034] Anti - detachment grooves 9 are symmetrically formed on the second mounting plate 6. The anti - detachment grooves 9 are wider at the top and narrower at the bottom. The hooks on the back plate of the liquid crystal display screen are inserted into the anti - detachment grooves 9 and placed from top to bottom to the bottom end of the anti - detachment grooves 9. The two second mounting plates 6 are symmetrically arranged.

[0035] The protective cover 2 has an inverted trapezoidal hollow structure. The protective cover 2 is integrally impact - formed with high - strength lightweight steel, which is waterproof and dust - proof. It can effectively eliminate the hidden danger of water and dust entering the outdoor liquid crystal display screen, prevent equipment failures caused by water and dust ingress. The inclined side surfaces of the protective cover 2 have the same inclination angle as the corresponding second mounting plate 6. Through grooves are formed on the inclined side surfaces of the protective cover 2, and high - definition tempered glass 10 is installed in the through grooves. It is strong and durable with good light transmittance, effectively eliminating the hidden danger of passengers being injured caused by glass breakage. The length and width values of the high - definition tempered glass 10 are not less than the length and width values of the liquid crystal display screen.

[0036] Through grooves for installing the detachable plate 11 are formed on the two straight side surfaces of the protective cover 2. The detachable plate 11 is connected to the protective cover 2 by bolts. When maintaining the liquid crystal display screen, the detachable plate 11 can be quickly disassembled and assembled, effectively improving the maintenance efficiency of personnel and reducing the fault handling time.

[0037] Heat - dissipation slotted holes 12 are formed on both the detachable plate 11 and the bottom surface of the protective cover 2, effectively reducing the possibility of equipment failures caused by overheating in high - temperature seasons.

[0038] Corresponding first mounting holes 13 are formed on the top surface of the cover plate 7 and the protective cover 2. In the first step of installation, first align the first mounting holes 8 on the first mounting plate 3 with the installation points on the platform cross beam, and use fixing bolts to hoist and fix the first mounting plate 3, thereby hoisting the upright column 4, the connecting plate 5, the second mounting plate 6 and the cover plate 7; in the second step of installation, place the four hooks behind the liquid crystal display screen into the anti - detachment grooves 9 respectively until the hooks are completely stuck at the bottom of the anti - detachment grooves 9, and fix the two liquid crystal display screens as shown above; in the third step of installation, put the protective cover 2 on the liquid crystal display screen from the bottom to the top of the second mounting plate 6 until the top end of the protective cover 2 contacts the cover plate 7. At this time, align the upper and lower second mounting holes 13, and pass screws through the second mounting holes 13 and fix them, thereby fixing the protective cover 2 on the cover plate 7.

[0039] Working principle: Align the first mounting holes 8 on the first mounting plate 3 with the mounting points on the platform crossbeam, and use fixing bolts to hoist and fix the first mounting plate 3 and the second mounting plate 6. Then, place the four hooks behind the liquid crystal display screen into the anti - detachment grooves 9 respectively to fix the liquid crystal display screen. After that, put the protective cover 2 on the liquid crystal display screen from the bottom to the top of the second mounting plate 6 until the top of the protective cover 2 contacts the cover plate 7, and use screws to pass through the second mounting holes 13 of the protective cover 2 and the cover plate 7 to fix the protective cover 2 on the cover plate 7.

[0040] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non - exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0041] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A rain shield for a liquid crystal display screen applicable to an elevated platform of a subway, comprising a main frame (1), characterized in that, A protective cover (2) is provided outside the main body frame (1). The main body frame (1) includes a first mounting plate (3), a column (4), a connecting plate (5), a second mounting plate (6) and a cover plate (7). A column (4) is provided at the bottom of the first mounting plate (3). A connecting plate (5) is provided at the bottom end of the column (4). A second mounting plate (6) for connecting a liquid crystal display screen is provided on each side of the connecting plate (5). The cover plate (7) is arranged between the first mounting plate (3) and the connecting plate (5). The column (4) penetrates and is connected to the cover plate (7).

2. The rain shield for LCD screen applicable to subway elevated platforms according to claim 1, wherein The first mounting plate (3), the column (4), the connecting plate (5), the second mounting plate (6) and the cover plate (7) are of an integral structure.

3. The rain shield for LCD screen applicable to elevated platforms of subways according to claim 2, wherein Four first mounting holes (8) are symmetrically provided on the first mounting plate (3). The top surface (3) of the first mounting plate is connected to the bottom surface of the subway platform cross beam.

4. The rain shield for the LCD screen applicable to the elevated platform of the subway according to claim 3, characterized in that, The connecting plate (5) is of an inverted trapezoidal structure. The middle position of the second mounting plate (6) is connected to the inclined side surface of the connecting plate (5). The top end of the second mounting plate (6) inclines away from the connecting plate (5), and the inclination angle is not less than 20°.

5. The rain shield for LCD screen applicable to elevated platforms of subways according to claim 4, characterized in that, Anti - detachment grooves (9) are symmetrically formed on the second mounting plate (6). The anti - detachment grooves (9) are wider at the top and narrower at the bottom. The two second mounting plates (6) are symmetrically arranged.

6. The rain shield for LCD screen applicable to subway elevated platforms according to claim 5, characterized in that, The protective cover (2) is of an inverted trapezoidal hollow structure. The inclined side surfaces of the protective cover (2) have the same inclination angle as the corresponding second mounting plate (6). Through grooves are formed on the inclined side surfaces of the protective cover (2), and high - definition tempered glass (10) is installed in the through grooves.

7. The rain shield for the LCD screen applicable to the elevated platform of the subway according to claim 6, characterized in that, Through grooves for installing a detachable plate (11) are formed on the two straight side surfaces of the protective cover (2). The detachable plate (11) is connected to the protective cover (2) by bolts.

8. The rain shield for LCD screen applicable to subway elevated platforms according to claim 7, characterized in that, Heat - dissipating slotted holes (12) are formed on both the detachable plate (11) and the bottom surface of the protective cover (2).

9. A rain shield for a liquid crystal display screen applicable to an elevated platform of a subway, characterized in that Corresponding second mounting holes (13) are formed on the top surfaces of the cover plate (7) and the protective cover (2).

10. The rain shield for LCD screen applicable to elevated platforms of subways according to claim 9, characterized in that, The length and width values of the high - definition tempered glass (10) are not less than the length and width values of the liquid crystal display screen.

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