CN211604637U - a roof display - Google Patents

Abstract

The utility model provides a roof display screen, includes that the cross-section is trapezium structure's two-sided screen shell, sets up at the base of two-sided screen shell bottom, sets up installation code under, be used for connecting the base connection the connection code on installation code down, be equipped with sender card, power in the two-sided screen shell, sender card and power are respectively through mainboard fixed plate and power fixed plate fixed mounting, through the rational design of the inner structure with the display screen, make the inner structure stability of display screen improve, set up base and installation code through the bottom at the display screen simultaneously, make the installation convenience of display screen improve, set up two-sided screen shell into trapezium structure, can effectively reduce the windage coefficient of display screen.

Description

a roof display

technical field

The utility model belongs to the technical field of display screen structures, in particular to a vehicle roof display screen.

Background technique

With the development of society, the number of cars in major cities is increasing day by day. Because cars have the characteristics of large mobility and wide range of activities, the roof display installed on cars has gradually become an important carrier for advertising.

However, in actual use, if the display screen does not have a good protective structure and does not have the effect of dustproof and waterproof, dust, water mist and other debris often enter the display screen during use, affecting the normal operation of the display screen. At the same time, the stability of the internal structure of the existing display screen is not high. After being used for a period of time in an environment with high wind resistance and strong turbulence, the internal installation structure is prone to loosening, which leads to a high failure rate of the display screen. Technical improvements are made to the internal structure of the display.

Utility model content

In order to overcome the deficiencies of the prior art, the purpose of the present invention is to provide a roof display screen with stable structure and low failure rate.

The technical scheme adopted by the utility model to solve the technical problem is:

A roof display screen comprises a double-sided screen casing with a trapezoidal structure in cross-section, a base arranged at the bottom of the double-sided screen casing, a lower installation code arranged under the miscellaneous base, and a connection code for connecting the base to the lower installation code, The double-sided screen housing is provided with a sending card and a power supply, and the sending card and the power supply are respectively fixed and installed by the main board fixing board and the power supply fixing board, and several LED displays are arranged on the inside of the double-sided screen of the double-sided screen housing. The modules are arranged in a board structure, the LED display module is provided with a module mounting plate on the back, the module mounting plates on both sides of the double-sided screen shell are arranged at an angle, and a top fixing plate is connected at the intersection at the top. The bottom of the module mounting plate is pressed against the upper surface of the base.

In the utility model, the left and right sides of the double-sided screen casing are provided with a number of ventilation holes, the outside of the ventilation holes is provided with a baffle that opens downward, and the interior of the base is provided with two cooling fans, two cooling fans. The fans are arranged symmetrically, a fan cover is arranged at the bottom of the cooling fan, and a plurality of cooling holes are opened on the fan cover.

In the utility model, the top and bottom of the connecting code are respectively provided with an upper connecting plate connected with the base and a lower connecting plate connected with the lower mounting code, and the connecting code is an integrally formed structure.

In the present invention, the upper surface of the base is provided with an inclined surface that fits with the bottom of the module mounting plate, and there is a gap between the front and rear sides of the base and the double-sided screen casing.

In the present invention, both the main board fixing plate and the power supply fixing board are fixedly installed above the base, and the main board fixing board and the power supply fixing board are both integrally formed.

In the utility model, the sending card and the power supply are installed on the main board fixing board and the power supply fixing board upright and attached respectively.

The beneficial effects of the utility model are: the utility model improves the stability of the internal structure of the display screen by rationally designing the internal structure of the display screen, and at the same time, the installation of the display screen is convenient by arranging the base and the installation code at the bottom of the display screen. The double-sided screen casing is set to a trapezoidal structure, which can effectively reduce the wind resistance coefficient of the display screen; in addition, by setting ventilation holes on the left and right sides of the double-sided screen casing and setting a cooling fan in the base, the display screen An airflow exchange channel is formed inside to dissipate heat inside the display screen. At the same time, a baffle is set on the outside of the ventilation hole, which can effectively prevent dust, mist and other debris from entering.

Description of drawings

Below in conjunction with accompanying drawing and embodiment, the utility model is further described:

1 is a schematic diagram of the overall structure of this embodiment;

2 is a schematic diagram of the internal structure of this embodiment;

Fig. 3 is the bottom view of this embodiment;

FIG. 4 is a schematic structural diagram of a connection code according to the present embodiment;

FIG. 5 is a schematic structural diagram of the base of this embodiment.

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions in the embodiments of the present utility model will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present utility model.

Example:

As shown in FIG. 1 to FIG. 5 , the present embodiment discloses a vehicle roof display screen, which includes a double-sided screen casing 1 with a trapezoidal cross-section, a base 2 arranged at the bottom of the double-sided screen casing 1 , and a base 2 arranged below the miscellaneous base 2 The lower installation code 3, the connection code 4 for connecting the base 2 on the lower installation code 3, the double-sided screen housing 1 is provided with a sending card 5, a power supply 6, and the sending card 5 and the power supply 6 pass through the main board respectively. The fixing plate 7 and the power supply fixing plate 8 are fixedly installed, and a plurality of LED display modules 9 are arranged on the inner side of the double-sided screen of the double-sided screen housing 1 to form a board structure, and the back of the LED display module 9 is provided with a mold. A set of mounting plates 10, the module mounting plates 10 on both sides of the double-sided screen housing 1 are arranged at an angle, and a top fixing plate 11 is provided at the intersection at the top, and the bottom of the module mounting plate 10 is pressed against the base 2. The upper surface of the double-sided screen casing 1 is symmetrically distributed to form two LED display surfaces at the front and rear. By rationally designing the internal structure of the display screen, the stability of the internal structure of the display screen is improved. The base 2 and the lower installation code 3 improve the installation convenience of the display screen, and the double-sided screen shell 1 is set to a trapezoidal structure, which can effectively reduce the wind resistance coefficient of the display screen. At the same time, the sending card 5 of this embodiment has the function of networking, and can be remotely controlled through wireless data transmission technology, so that the display content of the roof display is more flexible and diverse. For example, in practical applications, we can use a cloud service platform to control designated The roof display in the area puts the display content that needs to be put in the area, so as to realize the accurate delivery of advertisements, warnings, tracing people and objects, etc., and the use effect of the display is better.

As a preferred embodiment, the left and right sides of the double-sided screen casing 1 are provided with several ventilation holes 1a, the outside of the ventilation holes 1a is provided with a baffle 1b that opens downward, and the interior of the base 2 is provided with two heat sinks The two cooling fans are arranged symmetrically. The bottom of the cooling fan is provided with a fan cover 12. The fan cover 12 is provided with a number of cooling holes 12a. In addition, a cooling fan is arranged in the base 2, so that an airflow exchange channel is formed inside the display screen, and the inside of the display screen is dissipated.

In this embodiment, the top and bottom of the connecting code 4 are respectively provided with an upper connecting plate 4a connected with the base 2 and a lower connecting plate 4b connected with the lower mounting code 3, between the upper connecting plate 4a and the lower connecting plate 4b The upper and lower connecting layer structures are formed by connecting the vertical plates, and the connecting codes 4 are integrally formed, so that the installation convenience and stability of the base 2 are improved.

In this embodiment, the upper surface of the base 2 is provided with an inclined surface 2a that fits with the bottom of the module mounting plate 10, and there is a gap between the front and rear sides of the base 2 and the double-sided screen housing 1, so that The installation of the module mounting plate 10 is made more compact, and the phenomenon of loosening and dislocation of the LED display module 9 during use is prevented.

In this embodiment, the main board fixing board 7 and the power supply fixing board 8 are both fixedly installed above the base 2 , the main board fixing board 7 and the power supply fixing board 8 are both integrally formed structures, the sending card 5 and the power supply 6 are installed on the main board fixing plate 7 and the power supply fixing plate 8 respectively. By installing the main board fixing plate 7 and the power supply fixing plate 8 on the base 2, the circuit control plate inside the display screen can be protected from wind resistance pressure. Because the display screen is designed through the double-sided screen casing 1 with trapezoidal cross-section, and the circuit control block does not have direct contact with the double-sided screen casing 1, it will not be affected by its pressure, and the operation stability of the circuit control block is guaranteed. At the same time, there is enough installation space and heat dissipation space in the installation part of the circuit control board, and the air exchange channel will take away heat through the circuit control board, which has a good heat dissipation effect, so that the operating stability of the display screen can be further improved by improving the circuit operating environment. Improve, prolong the service life of the display screen, and enhance the display effect of the display screen.

The above are only the preferred embodiments of the present invention, as long as the technical solutions that achieve the purpose of the present invention by basically the same means fall within the protection scope of the present invention.

Claims (6)

1. A roof display screen, its characterized in that: the double-face screen comprises a double-face screen shell (1) with a trapezoidal section, a base (2) arranged at the bottom of the double-face screen shell (1), a lower installation code (3) arranged below the miscellaneous base (2), and a connection code (4) used for connecting the base (2) to the lower installation code (3), wherein a sending card (5) and a power supply (6) are arranged in the double-face screen shell (1), the sending card (5) and the power supply (6) are fixedly installed through a main board fixing plate (7) and a power supply fixing plate (8) respectively, a plurality of LED display modules (9) are arranged on the inner side of the double-face screen shell (1) and are arranged into a board structure, a module mounting plate (10) is arranged at the back of the LED display modules (9), the module mounting plates (10) on the two sides of the double-face screen shell (1) are arranged at an included angle, and top, the bottom of the module mounting plate (10) is pressed against the upper surface of the base (2).

2. A roof display as claimed in claim 1, wherein: the left and right sides of double-sided screen shell (1) is equipped with a plurality of air vent (1 a), and air vent (1 a) outside is equipped with open-ended flange (1 b) down, the inside of base (2) is equipped with two radiator fan, and two radiator fan are symmetrical arrangement, and radiator fan's bottom is equipped with fan casing (12), a plurality of louvre (12 a) have been seted up on fan casing (12).

3. A roof display as claimed in claim 1, wherein: connect sign indicating number (4) top and bottom and be equipped with upper junction plate (4 a) be connected with base (2) and with lower connecting plate (4 b) that installation sign indicating number (3) are connected down respectively, connect sign indicating number (4) and be the integrated into one piece structure.

4. A roof display as claimed in claim 1, wherein: the upper surface of base (2) is equipped with inclined plane (2 a) of laminating bottom module mounting panel (10), there is the clearance between the front and back both sides of base (2) and two-sided screen shell (1).

5. A roof display as claimed in claim 1, wherein: mainboard fixed plate (7) and power fixed plate (8) equal fixed mounting are in the top of base (2), mainboard fixed plate (7) and power fixed plate (8) are the integrated into one piece structure.

6. The overhead display of claim 5, wherein: the sending card (5) and the power supply (6) are vertically attached to the main board fixing plate (7) and the power supply fixing plate (8) respectively.

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