CN217306072U

CN217306072U - Outdoor display screen

Info

Publication number: CN217306072U
Application number: CN202220910943.8U
Authority: CN
Inventors: 贺大炜; 曹成玮; 石金龙
Original assignee: SHENZHEN BIGTIDE TECHNOLOGY CO LTD
Current assignee: SHENZHEN BIGTIDE TECHNOLOGY CO LTD
Priority date: 2022-04-14
Filing date: 2022-04-14
Publication date: 2022-08-26
Anticipated expiration: 2032-04-14

Abstract

The application discloses an outdoor display screen, which comprises a control mechanism, a supporting mechanism and a display assembly, wherein the control mechanism and the display assembly are respectively connected with the supporting mechanism; the display assembly comprises a liquid crystal screen, a light bar and a touch screen, the liquid crystal screen is connected with the supporting mechanism, the light bar and the touch screen are respectively connected with the liquid crystal screen, the light bar and the touch screen are respectively positioned on two sides of the liquid crystal screen, a heat insulation film is arranged between the touch screen and the liquid crystal screen, and the heat insulation film is connected with the touch screen in a sealing manner; the control mechanism comprises a constant current plate, the constant current plate is connected with the light bar, and the constant current plate is used for controlling the brightness of the light bar. The heat insulation film can play a heat insulation role, so that the problem that the outdoor display screen is heated too fast due to direct illumination of sunlight is avoided; the temperature of the display screen is controlled by controlling the brightness of the lamp strip, the temperature of the outdoor display screen is guaranteed to be always in a normal range, and the service life of the outdoor display screen is prolonged.

Description

Outdoor display screen

Technical Field

The application belongs to the technical field of electronic display screens, and more particularly relates to an outdoor display screen.

Background

With the continuous maturity of electronic display technology, the application range of electronic display screens is wider and wider; at present, people can see display screens in many places outdoors, and the outdoor display screens are mainly used for advertisement display, road sign guidance, hour and political publicity and the like.

Because of operational environment's influence, present outdoor display screen, general life all is short, mainly has following reason:

1. when the ambient brightness is high, the display must increase the brightness, but as the brightness increases, a sharp temperature rise is caused, which affects the display quality and even damages the liquid crystal screen.

2. Outdoor display can receive sunshine direct injection daytime, leads to liquid crystal panel temperature to rise, and liquid crystal molecule gasification to influence the life of display screen.

Therefore, the existing outdoor display screen needs to be improved.

SUMMERY OF THE UTILITY MODEL

In order to solve all or part of the technical problems, the application provides an outdoor display screen, which comprises a control mechanism, a supporting mechanism and a display assembly, wherein the control mechanism and the display assembly are respectively connected with the supporting mechanism, and the control mechanism is electrically connected with the display assembly; the display assembly comprises a liquid crystal screen, a lamp strip and a touch screen, the liquid crystal screen is connected with the supporting mechanism, the lamp strip and the touch screen are respectively connected with the liquid crystal screen, the lamp strip and the touch screen are respectively positioned on two sides of the liquid crystal screen, a heat insulation film is arranged between the touch screen and the liquid crystal screen, and the heat insulation film is in sealing connection with the touch screen; the control mechanism comprises a constant current plate, the constant current plate is connected with the light bar, and the constant current plate is used for controlling the brightness of the light bar.

As a further improvement of the application, the control mechanism further comprises a control main board, the control main board is connected with the supporting mechanism, and the control main board is respectively connected with the liquid crystal display and the constant current board.

As a further improvement of this application, be equipped with the sensor on the supporting mechanism, the sensor with the control mainboard links to each other, the sensor is used for detecting the luminance of surrounding environment.

As a further improvement of the application, the liquid crystal display is close to one side of the touch screen is provided with a peep-proof sheet, and the peep-proof sheet is connected with the liquid crystal display in an adhesive manner.

As a further improvement of this application, the peep-proof piece is kept away from the one side of LCD screen is equipped with dustproof cotton, dustproof cotton with the side all around of peep-proof piece splices, dustproof cotton is kept away from one side of peep-proof piece with the heat insulating film splices.

As a further improvement of this application, supporting mechanism includes fixed plate and back shroud, the LCD screen with the back shroud respectively with the fixed plate is connected, just the LCD screen with the back shroud is located respectively the both sides of fixed plate.

As a further improvement of this application, be equipped with external socket on the back shroud, external socket with control mechanism links to each other, external socket includes USB socket, VGA socket, DVI socket and supply socket.

As a further improvement of the present application, a plurality of heat dissipation through holes are provided on the rear cover plate.

As a further improvement of the application, a control button is arranged on the rear cover plate and connected with the control mechanism.

As the further improvement of this application, be equipped with the connecting seat on the fixed plate, the connecting seat be used for with outdoor display screen is fixed on outside mechanism.

Compared with the prior art, the beneficial effect of this application is:

according to the liquid crystal display screen, the heat insulation film is arranged between the touch screen and the liquid crystal display screen, and the heat insulation effect can be achieved by arranging the heat insulation film, so that the problem that the outdoor display screen is heated too fast due to direct illumination of sunlight is avoided, the working temperature of the outdoor display screen is in a normal range, and the service life of the outdoor display screen is prolonged; on the other hand, through setting up the constant current board, can control the luminance of lamp strip, the luminance of lamp strip is higher, and the temperature of display screen is just higher, consequently, the temperature of display screen can be controlled through the luminance of control lamp strip to ensure that the temperature of outdoor display screen is in normal range all the time, prolong the life of outdoor display screen.

Drawings

In order to illustrate the present application or prior art more clearly, a brief description of the drawings needed for the description of the embodiments or prior art will be given below, it being clear that the drawings in the following description are some embodiments of the present application and that other drawings can be derived from them by a person skilled in the art without inventive effort.

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is an exploded view of an embodiment of the present application;

fig. 3 is a schematic view of another perspective overall structure of the present application.

Detailed Description

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "including" and "having," and any variations thereof in the description and claims of this application and the description of the figures above, are intended to cover non-exclusive inclusions. The terms "first," "second," and the like in the description and claims of this application or in the above-described drawings are used for distinguishing between different objects and not for describing a particular order.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings.

As shown in fig. 1-3, an outdoor display screen includes a control mechanism, a supporting mechanism and a display component, the control mechanism and the display component are respectively connected with the supporting mechanism, the supporting mechanism is an installation mechanism of the outdoor display screen and is used for installing other components and fixing the outdoor display screen to an external mechanism, the control mechanism is electrically connected with the display component and is used for controlling the working state of the display component, and the display component is used for displaying contents for users to watch.

The supporting mechanism comprises a fixing plate 1 and a rear cover plate 2, the rear cover plate 2 is fixedly installed on the rear end face of the fixing plate 1 through screws, and supports 3 are respectively fixedly installed on two sides of the fixing plate 1 through screws. The fixing plate 2 is a main body mounting mechanism of the outdoor display screen and is made of hard metal materials. The fixing plate 1 is provided with a plurality of connecting seats 101, and the connecting seats 101 are used for installing and fixing the outdoor display screen on external mechanisms such as a wall body and a mounting rack.

The display assembly comprises a liquid crystal screen 4, a lamp strip 5 and a touch screen 6, wherein the left side edge and the right side edge of the liquid crystal screen 4 are respectively fixedly connected with the corresponding supports 3 through screws, so that the liquid crystal screen 4 is arranged on the front end face of the fixing plate 2; the lamp strips 5 are arranged on the rear end face of the liquid crystal screen 4, the number of the lamp strips 5 is two, the lamp strips 5 are respectively and fixedly connected with the upper side and the lower side of the liquid crystal screen 4, the lamp strips 5 adopt aluminum substrates as mounting bases, the aluminum substrates have good heat conducting performance, heat generated by the lamp strips 5 can be conducted out rapidly, and the heat radiating performance of the lamp strips 5 is improved.

Be equipped with peep-proof piece 7 on the preceding terminal surface of LCD screen 4, peep-proof piece 7 is fixed with the frame cementing all around of LCD screen 4, and peep-proof piece 7 adopts the product among the prior art for this outdoor display screen has the function that the content of the unable clear demonstration of low-angle.

The preceding terminal surface of peep-proof piece 7 is equipped with dustproof cotton 8, and the side is glued fixedly all around of dustproof cotton 8 and peep-proof piece 7, sets up dustproof cotton 8 and can reduce the inside that the dust got into this outdoor display screen, prolongs this outdoor display screen's life.

And a heat insulation film 9 is arranged on the rear end face of the touch screen 6, and the heat insulation film 9 is connected with the touch screen 6 in a sealing manner. The heat insulation film 9 is a green transparent film with viscosity, the material of the heat insulation film 9 is a polyester substrate (PET), and the size of the heat insulation film 9 is 330 +/-0.5 mm in length, 257 +/-0.5 mm in width and 0.1 mm in thickness. One side of the heat insulation film 9 is plated with a scratch-proof layer, and the other side is provided with a mounting layer and a protective film. When the touch screen is installed, the rear end face of the touch screen 6 is cleaned by using filtered water, the protective film on the heat insulation film 9 is torn off, the exposed surface is sprayed with the filtered water with the pad pasting, the filtered water is pasted on the rear end face of the touch screen 6, and finally, the redundant visible water is scraped out by using a soft scraper. The heat insulating film 9 can reach ultraviolet ray separation rate 100%, infrared ray separation rate more than 95%, and the heat insulating film 9 is pasted on the rear end face of touch-sensitive screen 6, can effectively block solar radiation's heat when this outdoor display screen is directly penetrated to sunshine on daytime, prevents that steam from getting into inside the display screen, plays good thermal-insulated effect, avoids outdoor display screen to heat up too fast problem, prolongs outdoor display screen's life. The front end face of the dustproof cotton 8 is fixed with the rear end face of the heat insulation film 9 in a glued joint mode, and therefore the liquid crystal screen 4 is fixed with the touch screen 6 in a limiting mode.

The control mechanism comprises a control main board 10 and a constant current board 11, the constant current board 11 and the control main board 10 are fixedly mounted on the rear end face of the fixing plate 1 through screws respectively, the control main board 10 is connected with the liquid crystal screen 4, the input end of the constant current board 11 is connected with the control main board 10, the output end of the constant current board is connected with the light bar 5, and the constant current board 11 is used for controlling the brightness of the light bar 5. Fixed mounting has sensor 12 on the support 3, and sensor 12 passes through screw fixed mounting and is close to the one side of terminal surface before the LCD screen 4 at support 3, and sensor 12 links to each other with control mainboard 10, and sensor 12 is used for detecting this outdoor display screen surrounding environment's luminance.

When the outdoor display screen works specifically, when the sensor 12 detects that the brightness of the environment rises, a signal is fed back to the control main board 10, the control main board 10 transmits the signal to the constant current board 11, and the constant current board 11 controls the brightness of the light bar 5 to increase, so that the brightness of the outdoor display screen is improved; on the contrary, when the sensor 12 detects that the brightness of the environment is reduced, the feedback signal is sent to the control main board 10, the control main board 10 transmits the signal to the constant current board 11, and the constant current board 11 controls the brightness reduction of the light bar 5, so that the brightness of the outdoor display screen is reduced. The higher the luminance of lamp strip 5 is, the temperature of this outdoor display screen also can rise thereupon, through the cooperation of control mainboard 10, constant current board 11 and sensor 12, can adjust the luminance of this outdoor display screen according to the luminance of environment, avoids the long-term hi-lite work of this outdoor display screen to ensure that the temperature of outdoor display screen is in normal range all the time, prolong the life of outdoor display screen.

Be equipped with external socket 13 on the back shroud 2, external socket 13 links to each other with control mainboard 10, and external socket 13 passes through the screw or through the mode of joint and back shroud 2 fixed connection, and external socket 13 includes USB socket, VGA socket, DVI socket and supply socket. In other embodiments, the external socket 13 may also include any other existing socket known in the art, such as a Type-C socket.

A plurality of control buttons 14 are installed on the rear cover plate 2, the control buttons 14 include a start button, a menu button and a volume adjusting button, and the control buttons 14 are connected with the control main board 10 and used for controlling the working state of the outdoor display screen.

Be equipped with a plurality of heat dissipation through-holes 15 on the back shroud 2, heat dissipation through-hole 15 is rectangular array respectively on back shroud 2, through setting up heat dissipation through-hole 15, can come out the quick conduction of the heat that this outdoor display screen work produced, reduces the operating temperature of this outdoor display screen to improve the life of this outdoor display screen.

The working principle is as follows:

firstly, the outdoor display screen is fixedly installed on a preset position through the connecting seat 101, the power supply is connected through the external socket 13, and the outdoor display screen is started through the control button 14.

This outdoor display screen during operation, thermal-insulated membrane 9 can block solar radiation's heat, prevents inside steam gets into the display screen, plays good thermal-insulated effect, avoids outdoor display screen to heat up too fast problem, prolongs outdoor display screen's life. Sensor 12 real-time detection this outdoor display screen operational environment's luminance to give control mainboard 10 with the signal feedback, control mainboard 10 gives the constant current board 11 with signal transmission, and constant current board 11 adjusts this outdoor display screen's luminance according to the luminance of environment, avoids this outdoor display screen long-term hi-lite work, thereby ensures that outdoor display screen's temperature is in normal range all the time, prolongs outdoor display screen's life.

It is to be understood that the above-described embodiments are merely illustrative of some, but not restrictive, of the broad invention, and that the appended drawings illustrate preferred embodiments of the invention and do not limit the scope of the invention. This application is capable of embodiments in many different forms and is provided for the purpose of enabling a thorough understanding of the disclosure of the application. Although the present application has been described in detail with reference to the foregoing embodiments, it will be apparent to one skilled in the art that the present application may be practiced without modification or with equivalents of some of the features described in the foregoing embodiments. All equivalent structures made by using the contents of the specification and the drawings of the present application are directly or indirectly applied to other related technical fields and are within the protection scope of the present application.

Claims

1. An outdoor display screen which characterized in that: the device comprises a control mechanism, a supporting mechanism and a display assembly, wherein the control mechanism and the display assembly are respectively connected with the supporting mechanism, and the control mechanism is electrically connected with the display assembly;

the display assembly comprises a liquid crystal screen, a light bar and a touch screen, the liquid crystal screen is connected with the supporting mechanism, the light bar and the touch screen are respectively connected with the liquid crystal screen, the light bar and the touch screen are respectively positioned at two sides of the liquid crystal screen, a heat insulation film is arranged between the touch screen and the liquid crystal screen, and the heat insulation film is hermetically connected with the touch screen;

the control mechanism comprises a constant current plate, the constant current plate is connected with the light bar, and the constant current plate is used for controlling the brightness of the light bar.

2. An outdoor display screen according to claim 1, characterized in that: the control mechanism further comprises a control main board, the control main board is connected with the supporting mechanism, and the control main board is respectively connected with the liquid crystal screen and the constant current plate.

3. An outdoor display screen according to claim 2, characterized in that: the supporting mechanism is provided with a sensor, the sensor is connected with the control main board, and the sensor is used for detecting the brightness of the surrounding environment.

4. An outdoor display screen according to claim 1, characterized in that: and one side of the liquid crystal screen, which is close to the touch screen, is provided with a peep-proof sheet, and the peep-proof sheet is glued with the liquid crystal screen.

5. An outdoor display screen according to claim 4, characterized in that: the one side that the peep-proof piece was kept away from the LCD screen is equipped with dustproof cotton, dustproof cotton with the side all around of peep-proof piece is spliced, dustproof cotton is kept away from one side of peep-proof piece with the heat insulating film splices.

6. An outdoor display screen according to any one of claims 1-5, characterized in that: the supporting mechanism comprises a fixed plate and a rear cover plate, the liquid crystal screen and the rear cover plate are respectively connected with the fixed plate, and the liquid crystal screen and the rear cover plate are respectively located on two sides of the fixed plate.

7. An outdoor display screen according to claim 6, characterized in that: the rear cover plate is provided with an external socket, the external socket is connected with the control mechanism, and the external socket comprises a USB socket, a VGA socket, a DVI socket and a power socket.

8. An outdoor display screen according to claim 6, characterized in that: and a plurality of heat dissipation through holes are formed in the rear cover plate.

9. An outdoor display screen according to claim 6, characterized in that: and the rear cover plate is provided with a control button, and the control button is connected with the control mechanism.

10. An outdoor display screen according to claim 6, characterized in that: the fixing plate is provided with a connecting seat, and the connecting seat is used for fixing the outdoor display screen on an external mechanism.