CN210129369U - Ultra-thin two-sided digital poster with maintenance door - Google Patents
Ultra-thin two-sided digital poster with maintenance door Download PDFInfo
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- CN210129369U CN210129369U CN201921339020.6U CN201921339020U CN210129369U CN 210129369 U CN210129369 U CN 210129369U CN 201921339020 U CN201921339020 U CN 201921339020U CN 210129369 U CN210129369 U CN 210129369U
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- display screen
- frame
- backlight module
- structural member
- maintenance door
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/302—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements characterised by the form or geometrical disposition of the individual elements
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
Abstract
The utility model discloses an ultra-thin double-sided digital poster with a maintenance door, which comprises a first frame, a second frame, a control system, a first display screen, a first backlight module, a middle back plate, a second backlight module and a second display screen, wherein the first display screen, the first backlight module, the middle back plate, the second backlight module and the second display screen are sequentially arranged between the first frame and the second frame; be equipped with on the first frame with first display screen complex first display window, be equipped with on the second frame with second display screen complex second display window, control system installs the inboard at the second frame, be equipped with on the first frame and dismantle or rotatable maintenance door, and maintenance door sets up with control system relatively, the maintenance door utensil is relevant to close the state and open the state, when maintenance door is in open mode, can overhaul control system through opening the breach that the maintenance door formed. The utility model discloses a two-sided digital poster has that thickness is less, aesthetic in appearance, light in weight, simple to operate's advantage to with the integrated setting of control module, set up the maintenance door in its relative position, the later maintenance of being convenient for.
Description
Cross Reference to Related Applications
This application claims priority to patent application No. 2018113120635 filed on 6/11/2018.
Technical Field
The utility model relates to a digital advertising machine field, in particular to ultra-thin two-sided digital poster with maintenance door.
Background
The value of the show window advertisement is more and more valued at present, and the current wide practice is to hang the planar poster advertisement in the show window, but with the development of the internet and the internet of things technology, the disadvantages of the planar poster advertisement are more and more manifested: for example, the flat poster billboard lacks bright spots, the content is inconvenient to replace and the resources are wasted, so that the window advertisement tends to replace the flat billboard with the digital billboard.
Now, a double-sided digital advertising machine has appeared, which includes two independent display screens and two sets of external host computers, the two display screens are fixed back to back by a bracket between the two display screens, and the external host computers are respectively connected with the two display screens through data lines, so that advertisements can be simultaneously released to the inner and outer sides of the glass show window. But this product integration degree is lower, leads to the thickness of advertisement machine great, the pleasing to the eye degree of outward appearance poor, weight is heavier, installs inconveniently and may have the potential safety hazard, and inconvenient later maintenance.
In the prior art, even if the double-sided display screen and the control device are made into an integrated machine, the distribution of the control modules is shown in fig. 1, and the working circuit principle is shown in fig. 2, that is, the first power panel 87 has two outputs, one of the two outputs supplies power to the first display screen through the first system board 85 and the first control board 83, the other outputs the second display screen through the second system board 86 and the second control board 84, and the second power panel 88 also has two outputs, wherein one of the two outputs supplies power to the light bar of the first backlight module through the first galvanostat 81, and the other supplies power to the light bar of the second backlight module through the second galvanostat 82; as shown in fig. 3, the above all-in-one machine is only to place the external control device inside the casing of the double-sided display screen, besides the front frame and the rear frame, there is also the middle frame 89, because the control modules are distributed and arranged at the bottom of the backlight module, the thickness and weight of the digital poster all-in-one machine are increased, and the prior art lacks a double-sided digital poster which is highly integrated and easy to maintain.
SUMMERY OF THE UTILITY MODEL
In order to overcome the deficiencies in the prior art, the utility model provides an ultra-thin two-sided digital poster with maintenance door, technical scheme is as follows:
the utility model provides an ultra-thin double-sided digital poster with a maintenance door, which comprises a first frame, a second frame, a control system, a first display screen, a first backlight module, a middle back plate, a second backlight module and a second display screen, wherein the first display screen, the first backlight module, the middle back plate, the second backlight module and the second display screen are sequentially arranged between the first frame and the second frame;
the first frame is provided with a first display window matched with the first display screen, the second frame is provided with a second display window matched with the second display screen, the control system is installed on the inner side of the second frame, the first frame is provided with a detachable or rotatable maintenance door, the maintenance door and the control system are arranged oppositely, the maintenance door is in a closed state and an open state, and when the maintenance door is in the closed state, the first frame and the second frame are buckled to form a shell of the double-sided digital poster; when the maintenance door is in an open state, the control system can be overhauled by opening a gap formed by the maintenance door.
Furthermore, the control system comprises a power panel, a system panel and two signal control panels, the system panel is electrically connected with the two signal control panels, the two signal control panels are respectively electrically connected with the first display screen and the second display screen, and the power panel is used for supplying power to the system panel, the LED lamp strip of the first backlight module and the LED lamp strip of the second backlight module.
As an optional technical solution, the utility model provides an ultra-thin two-sided digital poster with maintenance door still includes the first structure spare of setting between first display screen and first backlight unit and the second structure spare of setting between second backlight unit and second display screen, first structure spare and second structure spare all have non-light tight hollow frame structure, all be equipped with on first structure spare and the second structure spare and be used for dodging the structure of dodging of control system;
the first structural member is provided with a step clamping groove for supporting and carrying the first display screen to isolate the first display screen from the first backlight module, the second structural member is provided with a step clamping groove for supporting and carrying the second display screen to isolate the second display screen from the second backlight module, the first structural member is respectively connected with the middle back plate and the first frame in a locking manner, and the first display screen is compressed between the step clamping groove of the first structural member and the first frame; the second structural member is respectively connected with the middle back plate and the second frame in a locking mode, and the second display screen is pressed between the step clamping groove of the second structural member and the second frame.
As another optional technical solution, the ultra-thin double-sided digital poster with a maintenance door provided by the present invention further comprises length positioning strips disposed on both sides of the middle back plate in the length direction, wherein the length positioning strips are provided with back plate positioning grooves for accommodating the middle back plate;
the upper and lower both sides of length location strip still be equipped with the backplate constant head tank has the isolation bolster of difference in height, first backlight unit, second backlight unit are fixed respectively the both sides of middle backplate, first display screen is compressed tightly keep apart between bolster and the first frame, the second display screen is compressed tightly keep apart between bolster and the second frame, keep apart the bolster and be used for keeping apart first display screen and first backlight unit, and be used for keeping apart second display screen and second backlight unit.
Further, the ultra-thin double-sided digital poster with the maintenance door provided by the utility model further comprises width positioning strips arranged at two sides of the middle back plate in the width direction, the first display screen is compressed between the width positioning strips and the first frame, and the second display screen is compressed between the width positioning strips and the second frame;
optionally, the number of the width positioning strips is four, and the width positioning strips are distributed on two sides of the middle back plate in the thickness direction; or the number of the width positioning strips is two, and each width positioning strip is provided with a back plate positioning groove for accommodating the middle back plate. Preferably, the bending surfaces of the four edges of the first frame are matched with the bending surfaces of the four edges of the second frame in a staggered splicing manner.
Furthermore, a constant current board is integrated on the power panel, the power panel comprises at least five power supply interfaces, one of the power supply interfaces supplies power to the first display screen and the second display screen through the system board and the signal control board, and the other four power supply interfaces are connected with the two ends of the LED light bar of the first backlight module and the two ends of the LED light bar of the second backlight module through power lines.
Furthermore, the LED lamp strip of the first backlight module is fixed on the metal heat dissipation strip along the length direction of the first backlight module, the LED lamp strip of the second backlight module is fixed on the metal heat dissipation strip along the length direction of the second backlight module, and the LED lamp strip of the first backlight module and the LED lamp strip of the second backlight module are arranged on different sides.
Further, the first display screen and the second display screen are both rectangular structures, the control system is adjacent to short edges of the first display screen and the second display screen, the control system further comprises an interface board connected with the system board, the system board receives signals through a remote controller and/or a touch screen on the display screen, the interface board is used for connecting an external carrier, the interface board is arranged on the side face or the front face of the body of the double-sided digital poster, and the interface types on the interface board comprise a USB interface, an HDMI interface, a serial port interface, a network cable interface and/or a VGA interface.
Further, a lifting ring for suspension installation is arranged at the top of the first frame and/or the second frame; or the top and the bottom of the first frame and/or the second frame are provided with lifting rings for suspension installation; or the double-sided digital poster also comprises a base used for placing the digital poster on the floor or on a wall.
The utility model provides a beneficial effect that technical scheme brought as follows:
1) the two sets of display modules and the control system on the two sides of the back plate share one set of shell through ingenious design, and the structure is light and thin;
2) the system board is of an integrated structure and can provide two paths of display signals for the display screen at the same time, and the system board can set the two paths of display signals to be the same or different and control whether to provide the two paths of display signals at the same time;
3) devices such as a galvanostat and the like are integrated on the power panel, and a single power panel is provided with a plurality of interfaces and can simultaneously supply power to two sets of optical modules and two display screens;
4) a maintenance door which can be independently disassembled is designed on the shell on the upper side of the control system, and the inner plate is subjected to avoidance design on the control system, so that later maintenance is facilitated;
5) the shell is formed by splicing the front frame and the rear frame in a staggered mode, overlapping thickness is avoided, and light and thin are further achieved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic diagram of the distribution of control modules of a prior art double-sided digital poster;
FIG. 2 is a schematic circuit diagram of a prior art double-sided digital poster;
FIG. 3 is an exploded view of a prior art double-sided digital poster;
fig. 4 is an exploded view of a first double-sided digital poster according to an embodiment of the present invention;
fig. 5 is a schematic circuit diagram of a double-sided digital poster according to an embodiment of the present invention;
fig. 6 is a front view of a double-sided digital poster provided by an embodiment of the present invention in an open state of a maintenance door;
fig. 7 is a single schematic view of a structural member of a first double-sided digital poster according to an embodiment of the present invention;
fig. 8 is a front view of a midplane provided by an embodiment of the invention;
fig. 9 is a cross-sectional view in the width direction of a first double-sided digital poster according to an embodiment of the present invention;
fig. 10 is an exploded view of a second double-sided digital poster according to an embodiment of the present invention;
fig. 11 is a cross-sectional view in the width direction of a second double-sided digital poster according to an embodiment of the present invention;
fig. 12 is an exploded view of a length-setting strip and an isolating bumper of a second double-sided digital poster according to an embodiment of the present invention;
fig. 13 is a side view of a double-sided digital poster according to an embodiment of the present invention, in a state where upper and lower frames are engaged with each other.
Wherein the reference numerals include: 1-a first frame, 11-a maintenance door, 2-a second frame, 3-a middle backboard, 31-a positioning riveting column, 4-a control system, 41-a power panel, 42-a system board, 43-a signal control panel, 44-an interface board, 51-a first structural component, 52-a second structural component, 53-a step, 61-a first display screen, 62-a second display screen, 71-a first backlight module, 72-a second backlight module, 81-a first constant current board, 82-a second constant current board, 83-a first control panel, 84-a second control panel, 85-a first system board, 86-a second system board, 87-a first power panel, 88-a second power panel, 89-a middle frame, 91-a length positioning bar, 911-a backboard positioning groove, 92-width positioning strip, 93-isolation buffer.
Detailed Description
In order to make the technical field person understand the present invention better, and to understand the objects, technical solutions and advantages thereof more clearly, the embodiments of the present invention are described in detail below with reference to the accompanying drawings. It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, implementations not shown or described in the drawings are of a form known to those of ordinary skill in the art. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention. In addition, the terms "including" and "having," as well as any variations thereof, in the description and claims of the present invention are intended to cover non-exclusive inclusions.
In an embodiment of the present invention, an ultra-thin double-sided digital poster with a maintenance door is provided, referring to fig. 4 and 10, which includes a first frame 1, a second frame 2, a control system 4, and a first display screen 61, a first backlight module 71, an intermediate back plate 3, a second backlight module 72, and a second display screen 62 sequentially disposed between the first frame 1 and the second frame 2;
the first frame 1 is provided with a first display window matched with the first display screen 61, that is, the first display screen 61 performs screen display through the first display window, the second frame 2 is provided with a second display window matched with the second display screen 62, that is, the second display screen 62 performs screen display through the second display window, obviously, the first display window is smaller than the first display screen 61 by one circle, the second display window is smaller than the second display screen 62 by one circle, that is, the first frame 1 compresses the edge of the first display screen 61, and the second frame 2 compresses the edge of the second display screen 62. The control system 4 is installed on the inner side of the second frame 2, a detachable or rotatable maintenance door 11 is arranged on the first frame 1, the maintenance door 11 is arranged opposite to the control system 4, the maintenance door 11 has a closed state and an open state, and when the maintenance door 11 is in the closed state, the first frame 1 and the second frame 2 are buckled to form a shell of the double-sided digital poster; when the maintenance door 11 is in an open state, the control system 4 can be repaired or disassembled and installed by opening a gap formed by the maintenance door 11.
In the prior art, the control module of the double-sided advertising machine comprises two power supply boards, two system boards, two control boards and two constant current boards, and the two power supply boards, the two system boards, the two control boards and the two constant current boards are generally dispersedly distributed inside the advertising machine due to the volume relationship, as shown in fig. 1, so that when the advertising machine breaks down and needs to be overhauled, the frame of the advertising machine must be completely disassembled, and after the circuit board is overhauled, the frame is buckled and fixed again, which is very troublesome.
And the utility model discloses in, through the constitution that improves control system 4 for reduce the required occupation space of control system 4, and concentrate it and arrange in the organism of the length direction one end of digital poster, the region adjacent with the display screen promptly. In a preferred embodiment of the present invention, as shown in fig. 6, the control system 4 includes a power board 41, a system board 42 and two signal control boards 43 (stacked up and down), the input interface of the signal control board 43 is connected to two output ports of the system board 41, a constant current board is integrated on the power board 41, the output interface of one signal control board 43 is connected to the first display screen 61, the output interface of the other signal control board 43 is connected to the second display screen 62, the power board 41 is used for supplying power to the system board 42, the LED light bar of the first backlight module 71, and the LED light bar of the second backlight module 72, and the circuit schematic diagram thereof is shown in fig. 5, specifically: the power panel 41 includes at least five power supply interfaces, one of the power supply interfaces supplies power to the first display screen 61 and the second display screen 62 through the system panel 42 and the signal control panel 43, the other four power supply interfaces are connected to two ends of the LED light bar of the first backlight module 71 and two ends of the LED light bar of the second backlight module 72 through power lines, in the control system, the signal control panel is used for modulating and demodulating signals, and the system panel is used for sending display instructions of the display screens, for example, two paths of display signals that can be set for the first display screen 61 and the second display screen 62 through the system panel are the same or different, or whether signals are output (only display signals are output to one of the display screens) is controlled independently, and so on. The utility model discloses breakthroughly have carried out power strip 41, system board 42 separately to a certain extent integrated, promptly for prior art, the utility model discloses a device such as permanent current ware is integrated to power strip 41 and with five interfaces (even more interfaces) form output, two system boards among the prior art have been integrated to system board 42, reduce the quantity and the area of circuit board, make it need not to occupy the space between two backlight unit from top to bottom to can cancel the center structure among the prior art, reduce product thickness, and control system 4 and two upper and lower display module sharing first frame 1 and the shell that second frame 2 made up into, the specification of prior art's two-sided digital poster is as follows: the thickness is 54mm, and the overall weight is 24 kg; and equal demonstration size the utility model discloses a thickness of two-sided digital poster is 22mm, and whole weight is 16.8kg, and the thickness attenuate nearly 60%, weight reduction has 30%, and the effect is showing very much.
As shown in fig. 6, the first display screen 61 and the second display screen 62 are both rectangular structures (preferably rectangular liquid crystal glass), the first frame 1 and the second frame 2 are both rectangular and are folded downwards (or upwards) all around, the control system 4 is adjacent to the short sides of the first display screen 61 and the second display screen 62, the control system 4 further includes an interface board 44 connected to the system board 42, the interface board 44 is disposed on the side surface or the front surface of the body of the double-sided digital poster, the interface board 44 is preferably a U-shaped interface board, the U-shaped opening of the U-shaped interface board is disposed opposite to three circuit boards of the control system 4, that is, the interface board 44 is preferably disposed on the side surface of the body of the double-sided digital poster adjacent to the control system 4, the interface board 44 is used for connecting an external carrier, the system board 42 receives signals through a remote controller and/or a touch screen on the display screen, the U-shaped interface board is provided with an external power interface, a power switch, a USB interface, a serial interface, a network cable interface, an HDMI interface and/or a VGA interface, wherein one or more of the USB interface, the serial interface, the network cable interface, the HDMI interface and the VGA interface can be adopted, four paths of output of the power board 41 for supplying power to the LED lamp strip of the backlight module can be independently controlled to be switched on and off through the system board, and energy conservation and consumption reduction are facilitated. For the convenience of user operation, the USB interface and/or the infrared remote control interface of the system board may be extended to the lower part or the side part of the digital poster through an internal extension line, for example, after the digital poster is hung and mounted, the USB interface and the infrared remote control interface (collectively referred to as an extension interface) on the lower part are favorable for the operation and use of the user. In order to facilitate installation, the top of the first frame 1 and/or the second frame 2 is/are provided with a hanging ring for suspension installation, and meanwhile, hanging ring hole sites are reserved at the bottom of the first frame and/or the second frame, so that the digital poster can be conveniently and vertically and simultaneously fixed and installed; or the bottoms of the first frame 1 and the second frame 2 are arranged on the base which is grounded, and the expansion interface can be arranged on the side and is suitable for the height operated by a human hand.
In the embodiment of the utility model, the display modules on both sides share one middle backboard 3, thereby realizing thickness reduction; secondly, the circuit integration technology of the control system is used for intensively arranging the circuit integration technology on the side surfaces of the two display modules, so that the thickness reduction is further realized.
In an optional embodiment of the present invention, the first backlight module 71 sequentially includes, from the middle back plate 3 to the outside: a reflective sheet, a light guide plate, a diffusion sheet, a 0-degree viewing angle prism sheet, a 90-degree viewing angle prism sheet, a diffusion sheet, and LED light bars arranged along the length direction of the first backlight module 71;
similarly, the second backlight module 72 sequentially includes from the middle back plate 3 to the outside: the backlight module comprises a reflector plate, a light guide plate, a diffusion plate, a 0-degree visual angle prism sheet, a 90-degree visual angle prism sheet, a diffusion sheet and LED lamp strips arranged along the length direction of the second backlight module 72, wherein the LED lamp strips are fixed on a metal structural member through heat conducting glue, so that the heat dissipation problem is solved. It should be noted that the present invention is not improved on the backlight module, and other variations, such as: the prism sheet with the 0 degree visual angle and the prism sheet with the 90 degree visual angle are selected, or the diffusion sheet far away from the middle back plate 3 in the two diffusion sheets can be replaced by a brightness enhancement film; or two backlight modules share one LED light bar or increase the number of LED light bars, change the arrangement position of LED light bars, and so on, in short, the first backlight module 71 and the second backlight module 72 in this application can select any backlight module structure in the prior art.
In an embodiment of the present invention, the double-sided digital poster further includes a first structural member 51 disposed between the first display screen 61 and the first backlight module 71 and a second structural member 52 disposed between the second backlight module 72 and the second display screen 62, the first structural member 51 and the second structural member 52 both have a light-transmitting hollow frame structure, and the first structural member 51 and the second structural member 52 are both provided with an avoiding structure for avoiding the control system 4, as shown in fig. 7. In addition, a frame of a side of the first structural member 51 away from the first backlight module 71 is provided with a step slot for supporting the first display screen 61 to separate the first display screen 61 from the first backlight module 71, a side frame of the second structural member 52 away from the second backlight module 72 is provided with a step slot for supporting the second display screen 62 to separate the second display screen 62 from the second backlight module 72, as shown in fig. 7, the step catching groove is composed of a plurality of steps 53 provided on four sides of the first structural member 51, the steps may be continuous or (as shown in fig. 7) may be intermittently arranged to reduce the weight, the first display screen 61 is placed in the step slot, the left and right displacement of the first display screen 61 can be prevented, and the first structural member 51 keeps the first display screen 61 and the first backlight module 71 in a gap (not in contact). The first structural member 51 is respectively connected with the middle back plate 3 and the first frame 1 in a locking manner, and the first display screen 61 is pressed between the step clamping groove of the first structural member 51 and the first frame 1; the second structural member 52 is respectively connected with the middle back plate 3 and the second frame 2 in a locking manner, and the second display screen 62 is pressed between the step clamping groove of the second structural member 52 and the second frame 2.
In the embodiment of the present invention, the LED light bar of the first backlight module 71 is fixed along the length direction of the first backlight module 71 on a medial surface of the length direction of the first structural member 51, the LED light bar of the second backlight module 72 is fixed along the length direction of the second backlight module 72 through the heat conducting glue on a medial surface of the length direction of the second structural member 52, the first structural member 51 and the second structural member 52 are made of metal material to improve the heat dissipation efficiency. The LED light bars of the first backlight module 71 and the LED light bars of the second backlight module 72 may be disposed on the same side in the vertical direction, but in terms of heat dissipation efficiency, it is more preferable that the LED light bars of the first backlight module 71 and the LED light bars of the second backlight module 72 are disposed on different sides, for example, the LED light bars of the first backlight module 71 are fixed on the left side inner wall of the first structural member 51, the LED light bars of the second backlight module 72 are fixed on the right side inner wall of the second structural member 52 (conversely, the LED light bars of the first backlight module 71 are fixed on the right side inner wall of the first structural member 51, the LED light bars of the second backlight module 72 are fixed on the left side inner wall of the second structural member 52), the LED light bars of the first backlight module 71 and the LED light bars of the second backlight module 72 are disposed on different structural members (the first structural member 51 and the second structural member 52), so that the first backlight module 71 provides a backlight source for the first display screen 61, and the second backlight module 72 provides a backlight source for the second display screen 62.
The first backlight module 71 and the second backlight module 72 are positioned on two side surfaces of the middle back plate 3, preferably, positioning holes are formed in the first backlight module 71 and the second backlight module 72, positioning rivets 31 (see fig. 8) are arranged at corresponding positions on two side surfaces of the middle back plate 3, and the positioning rivets 31 extend into the positioning holes to position the first backlight module 71 and the second backlight module 72 on the middle back plate 3; the first structural member 51 and the middle back plate 3 are fixed by fasteners such as screws or bolts, the second structural member 52 and the middle back plate 3 are fixed by fasteners such as screws or bolts (see fig. 8, a plurality of screw holes are reserved on the middle back plate 3), and optionally, the first structural member 51, the middle back plate 3, and the second structural member 52 are fixedly connected by fasteners such as screws or bolts. Preferably, the middle back plate 3, the first structural member 51 and the second structural member 52 are made of metal materials, which are favorable for heat dissipation, and are preferably made of light aluminum or aluminum alloy materials. Preferably, the bending surfaces of the four edges of the first frame 1 and the bending surfaces of the four edges of the second frame 2 are in staggered splicing fit, as shown in fig. 13, the bending surfaces of the first frame 1 are fixedly connected with the side surfaces of the first structural member 51, and the bending surfaces of the second frame 2 are fixedly connected with the side surfaces of the second structural member 52, as shown in fig. 9, that is, the side surfaces of the first frame 1 and the side surfaces of the second frame 2 are not overlapped, so as to reduce the length and the width and reduce the weight. The first frame 1 is fixed on the first structural member 51 through screws or bolts, and presses the first display screen 61 in the step slot, so as to prevent the first display screen 61 from jumping out of the slot to cause damage in the carrying process; similarly, second display screen 62 is arranged in the step draw-in groove of second structure 52, second frame 2 compresses tightly second display screen 62 to through fasteners such as screw or bolt and second structure 52 fixed connection, because the crisscross concatenation cooperation of the face of buckling on four sides edge on the face of buckling on four sides edge and the second frame 2 on the first frame 1, reduced the quantity of screw for fixing, not only install labour saving and time saving, it is more pleasing to the eye brief. On the other hand, the first structural member 51 and the second structural member 52 are preferably the same length as the first frame 1 (or the second frame 2) and are designed as an escape structure in the region where the control system 4 is installed, as shown in fig. 7; in order to fix the first structural member 51 and the second structural member 52 on both sides of the center back panel 3, the center back panel 3 preferably has a relief structure similar to the first structural member 51, as shown in fig. 8, so as to avoid a gap between the first structural member 51 and the second structural member 52.
In an embodiment of the present invention, as shown in fig. 10, different from the first structural member 51 and the second structural member 52 included in the above embodiment, the double-sided digital poster of the present invention further includes length positioning bars 91 disposed at both sides of the length direction of the middle back plate 3, and the length positioning bars 91 are provided with back plate positioning grooves 911 for accommodating the length direction edges of the middle back plate 3, as shown in fig. 12; unlike the center back panel 3 having the avoiding structure in the above embodiment, in the present embodiment, since the length positioning bars 91 do not need to be fixed to the upper and lower sides of the center back panel 3 like the first structural member 51 and the second structural member 52 in the above embodiment, the center back panel 3 in the present embodiment does not need to be designed to have the avoiding structure as shown in fig. 8, but as shown in fig. 10, the center back panel 3 has a rectangular shape, and the length thereof is smaller than the length of the length positioning bars 91.
The length positioning strip 91 is further provided with isolating buffers 93 having a height difference with the back plate positioning slot 911 on the upper and lower sides, the first backlight module 71 and the second backlight module 72 are respectively fixed on the two sides of the middle back plate 3, the first display screen 61 is compressed between the isolating buffers 93 and the first frame 1, and the second display screen 62 is compressed between the isolating buffers 93 and the second frame 2, as shown in fig. 11, the isolating buffers 93 are used for isolating the first display screen 61 from the first backlight module 71 and isolating the second display screen 62 from the second backlight module 72, compared with the first structural member 51 and the second structural member 52 of the above embodiment, the length positioning strip 91 is integrated into an integrated structure in the thickness direction and separately distributed on the left and right sides. In order to better support and position the first display screen 61 and the second display screen 62, width positioning strips 92 (four in total) are provided on the upper and lower sides of the middle back plate 3 in the width direction, as shown in fig. 10, or the two width positioning strips 92 on the upper and lower sides of the same side may be combined (a structure capable of accommodating the width direction edge of the middle back plate 3 is provided on the combined structure, which is similar to the back plate positioning groove 911), and the width positioning strip 92 on the upper side of the middle back plate 3 (in fig. 10) can limit the first display screen 61, that is, the first display screen 61 is pressed between the width positioning strip 92 and the first frame 1; the width positioning bar 92 on the lower side of the middle back plate 3 (in fig. 10) can limit the second display screen 62, that is, the second display screen 62 is compressed between the width positioning bar 92 and the second frame 2.
Preferably, the bending surfaces of the four edges of the first frame 1 and the bending surfaces of the four edges of the second frame 2 are matched in a staggered splicing manner, as shown in fig. 13, the bending surfaces of the first frame 1 and the bending surfaces of the second frame 2 are fixedly connected with the length positioning strips 91 at the two sides respectively, as shown in fig. 11, that is, the side surfaces of the first frame 1 and the second frame 2 are not overlapped, so as to reduce the length and the width, and reduce the weight. The both sides of first frame 1 and second frame 2 all through screw or bolt respectively with two length location strip 91 fixed connection, because the face of buckling on four edges on first frame 1 and the crisscross concatenation cooperation of the face of buckling on four edges on the second frame 2 have reduced the quantity of screw for the fixing, not only install labour saving and time saving, more pleasing to the eye brief.
The LED light bars of the first backlight module 71 and the LED light bars of the second backlight module 72 are disposed on the upper and lower sides of the middle back plate 3, so that the first backlight module 71 correspondingly provides a backlight source for the first display screen 61, and the second backlight module 72 correspondingly provides a backlight source for the second display screen 62, in this embodiment, the LED light bars of the first backlight module 71 are fixed on the inner side of the length positioning strip 91 along the length direction of the first backlight module 71 by heat dissipation glue, the LED light bars of the second backlight module 72 are fixed on the inner side of the other length positioning strip 91 along the length direction of the second backlight module 72 by heat dissipation glue, and the length positioning strip 91 is made of a metal material, such as an aluminum strip or other material with high heat dissipation efficiency. The LED light bars of the first backlight module 71 and the LED light bars of the second backlight module 72 may be disposed on the upper inner side surface and the lower inner side surface of the same length positioning strip 91, but in terms of heat dissipation efficiency, as a more preferable scheme, the LED light bars of the first backlight module 71 are disposed on the upper inner side surface of the back plate positioning slot 911 on the first length positioning strip 91, and the LED light bars of the second backlight module 72 are disposed on the lower inner side surface of the back plate positioning slot 911 on the second length positioning strip 92, or vice versa.
The double-sided digital poster provided by the embodiment of the utility model can be hung, namely, the top of the first frame 1 and/or the second frame 2 is provided with a hanging ring for hanging installation; or the top and the bottom of the first frame 1 and/or the second frame 2 are provided with lifting rings for suspension installation; the double-sided digital poster can also be arranged on the floor or hung on the ceiling or hung on the side wall, namely the double-sided digital poster also comprises a base for placing the digital poster on the floor or on the wall.
The utility model discloses a two-sided digital poster has that thickness is less, aesthetic in appearance, light in weight, simple to operate's advantage to with the integrated setting of control module, set up the maintenance door in its relative position, the later maintenance of being convenient for.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. An ultrathin double-sided digital poster with a maintenance door is characterized by comprising a first frame (1), a second frame (2), a control system (4), a first display screen (61), a first backlight module (71), a middle back plate (3), a second backlight module (72) and a second display screen (62), wherein the first display screen (61), the first backlight module (71), the second backlight module (72) and the second display screen are sequentially arranged between the first frame (1) and the second frame (2);
the first frame (1) is provided with a first display window matched with the first display screen (61), the second frame (2) is provided with a second display window matched with the second display screen (62), the control system (4) is installed on the inner side of the second frame (2), the first frame (1) is provided with a detachable or rotatable maintenance door (11), the maintenance door (11) and the control system (4) are oppositely arranged, the maintenance door (11) has a closed state and an open state, and when the maintenance door (11) is in the closed state, the first frame (1) and the second frame (2) are buckled to form a shell of the double-sided digital poster; when the maintenance door (11) is in an open state, the control system (4) can be overhauled by opening a gap formed by the maintenance door (11).
2. The ultra-thin double-sided digital poster with a maintenance door of claim 1, wherein the control system (4) comprises a power board (41), a system board (42) and two signal control boards (43), the system board (42) is electrically connected with the two signal control boards (43), the two signal control boards (43) are respectively electrically connected with the first display screen (61) and the second display screen (62), and the power board (41) is used for supplying power to the system board (42), the LED light bar of the first backlight module (71) and the LED light bar of the second backlight module (72).
3. The ultra-thin double-sided digital poster with a service door of claim 1, further comprising a first structural member (51) arranged between the first display screen (61) and a first backlight module (71) and a second structural member (52) arranged between the second backlight module (72) and a second display screen (62), wherein the first structural member (51) and the second structural member (52) both have a light-transmitting hollow frame structure, and an avoiding structure for avoiding the control system (4) is arranged on each of the first structural member (51) and the second structural member (52);
the first structural member (51) is provided with a step clamping groove for supporting the first display screen (61) to isolate the first display screen (61) from the first backlight module (71), the second structural member (52) is provided with a step clamping groove for supporting the second display screen (62) to isolate the second display screen (62) from the second backlight module (72), the first structural member (51) is respectively connected with the middle back plate (3) and the first frame (1) in a locking manner, and the first display screen (61) is compressed between the step clamping groove of the first structural member (51) and the first frame (1); the second structural member (52) is respectively connected with the middle back plate (3) and the second frame (2) in a locking mode, and the second display screen (62) is pressed between the step clamping groove of the second structural member (52) and the second frame (2).
4. The ultra-thin double-sided digital poster with a maintenance door of claim 1, further comprising length positioning bars (91) arranged at both sides of the center back (3) in the length direction, wherein back positioning grooves (911) for accommodating the center back (3) are arranged on the length positioning bars (91);
the upper and lower both sides of length location strip (91) still be equipped with backplate constant head tank (911) have the isolation bolster (93) of difference in height, first backlight unit (71), second backlight unit (72) are fixed respectively the both sides of middle backplate (3), first display screen (61) are compressed tightly between isolation bolster (93) and first frame (1), second display screen (62) are compressed tightly between isolation bolster (93) and second frame (2), isolation bolster (93) are used for keeping apart first display screen (61) and first backlight unit (71), and are used for keeping apart second display screen (62) and second backlight unit (72).
5. The ultra-thin double-sided digital poster with a service door of claim 4, further comprising width positioning bars (92) provided on both sides of the center back panel (3) in the width direction, the first display screen (61) being pressed between the width positioning bars (92) and the first frame (1), the second display screen (62) being pressed between the width positioning bars (92) and the second frame (2);
the number of the width positioning strips (92) is four, and the width positioning strips are distributed on two sides of the middle back plate (3) in the thickness direction in pairs; or the number of the width positioning strips (92) is two, and each width positioning strip (92) is provided with a back plate positioning groove (911) for accommodating the middle back plate (3).
6. The ultra-thin double-sided digital poster with a service door of claim 1, characterized in that the bent surfaces of the four edges on the first frame (1) are interfitting fit with the bent surfaces of the four edges on the second frame (2).
7. The ultra-thin double-sided digital poster with a maintenance door of claim 2, wherein a constant current board is integrated on the power board (41), the power board (41) comprises at least five power supply interfaces, one of the power supply interfaces supplies power to the first display screen (61) and the second display screen (62) through a system board (42) and a signal control board (43), and the other four power supply interfaces are respectively connected with two ends of the LED light bar of the first backlight module (71) and two ends of the LED light bar of the second backlight module (72) through power lines.
8. The ultra-thin double-sided digital poster with a service door of claim 7, wherein the LED light bars of the first backlight module (71) are fixed on a metal heat dissipation bar along the length direction of the first backlight module (71), the LED light bars of the second backlight module (72) are fixed on a metal heat dissipation bar along the length direction of the second backlight module (72), and the LED light bars of the first backlight module (71) and the LED light bars of the second backlight module (72) are arranged on different sides.
9. The ultra-thin double-sided digital poster with a maintenance door of claim 2, wherein the first display screen (61) and the second display screen (62) are both rectangular structures, the control system (4) is adjacent to short sides of the first display screen (61) and the second display screen (62), the control system (4) further comprises an interface board (44) connected with the system board (42), the interface board (44) is used for connecting an external carrier, the interface board (44) is arranged on the side surface or the front surface of the double-sided digital poster, and the interface type on the interface board (44) comprises a USB interface, an HDMI interface, a serial interface, a network cable interface and/or a VGA interface.
10. The ultra-thin double-sided digital poster with a service door according to claim 1, characterised in that the top of the first frame (1) and/or the second frame (2) is provided with a suspension loop for suspension mounting; or the top and the bottom of the first frame (1) and/or the second frame (2) are provided with lifting rings for suspension installation; or the double-sided digital poster also comprises a base used for placing the digital poster on the floor or on a wall.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811312063.5A CN109166465A (en) | 2018-11-06 | 2018-11-06 | A kind of integrated double-sided display all-in-one machine |
| CN2018113120635 | 2018-11-06 |
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| Publication Number | Publication Date |
|---|---|
| CN210129369U true CN210129369U (en) | 2020-03-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811312063.5A Pending CN109166465A (en) | 2018-11-06 | 2018-11-06 | A kind of integrated double-sided display all-in-one machine |
| CN201910762097.2A Pending CN110379315A (en) | 2018-11-06 | 2019-08-19 | A kind of ultrathin double-face number poster with maintenance door |
| CN201921339020.6U Active CN210129369U (en) | 2018-11-06 | 2019-08-19 | Ultra-thin two-sided digital poster with maintenance door |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811312063.5A Pending CN109166465A (en) | 2018-11-06 | 2018-11-06 | A kind of integrated double-sided display all-in-one machine |
| CN201910762097.2A Pending CN110379315A (en) | 2018-11-06 | 2019-08-19 | A kind of ultrathin double-face number poster with maintenance door |
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| CN (3) | CN109166465A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110379315A (en) * | 2018-11-06 | 2019-10-25 | 苏州与来视讯科技有限公司 | A kind of ultrathin double-face number poster with maintenance door |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210295725U (en) * | 2019-10-18 | 2020-04-10 | 广州视源电子科技股份有限公司 | Display device |
| WO2021081883A1 (en) * | 2019-10-31 | 2021-05-06 | 曹建华 | Hanging advertising machine |
| CN114822392A (en) * | 2022-04-27 | 2022-07-29 | 快优智能技术有限公司 | Driving sub-control module system of large semi-transparent display device |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3853792B2 (en) * | 2004-01-09 | 2006-12-06 | Ｎｅｃ液晶テクノロジー株式会社 | Case and display device including the case |
| CN103901664A (en) * | 2012-12-24 | 2014-07-02 | 联想(北京)有限公司 | Display device and electronic device |
| CN203588618U (en) * | 2013-12-10 | 2014-05-07 | 纬创资通股份有限公司 | Double-face display module |
| CN204680358U (en) * | 2015-06-04 | 2015-09-30 | 苏州与来视讯科技有限公司 | Double-faced advertising machine |
| TWI574080B (en) * | 2016-06-23 | 2017-03-11 | 揚昇照明股份有限公司 | Display device |
| CN206921435U (en) * | 2017-04-10 | 2018-01-23 | 广州市厚意金属制品有限公司 | Vertical advertising machine |
| CN107203069A (en) * | 2017-07-12 | 2017-09-26 | 青岛海信电器股份有限公司 | A kind of backlight module and liquid crystal display device |
| CN109166465A (en) * | 2018-11-06 | 2019-01-08 | 苏州与来视讯科技有限公司 | A kind of integrated double-sided display all-in-one machine |
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2018
- 2018-11-06 CN CN201811312063.5A patent/CN109166465A/en active Pending
-
2019
- 2019-08-19 CN CN201910762097.2A patent/CN110379315A/en active Pending
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110379315A (en) * | 2018-11-06 | 2019-10-25 | 苏州与来视讯科技有限公司 | A kind of ultrathin double-face number poster with maintenance door |
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| Publication number | Publication date |
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| CN110379315A (en) | 2019-10-25 |
| CN109166465A (en) | 2019-01-08 |
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Effective date of registration: 20200901 Address after: Room 888 866, Huanhu West Second Road, Nanhui New Town, Pudong New District, Shanghai, 201306 Patentee after: SHANGHAI GOODVIEW ELECTRONIC TECHNOLOGY Co.,Ltd. Address before: The Swan Wuzhong Economic Development Zone of Suzhou city in Jiangsu Province on the 215000 Road No. 2 Building 8 Patentee before: SUZHOU YULAI VIDEO SIGNAL SCIENCE & TECHNOLOGY Co.,Ltd. |