TW201730861A - Mobile display screen - Google Patents

Abstract

The invention provides a mobile display screen which comprises a base and a plurality of LED display screens mounted on the base and capable of being unfolded and folded in the vertical direction; when the mobile display screen is used, the multiple LED display screens can be unfolded rapidly; after the mobile display screen is used, the multiple LED display screens can be placed after being folded, so that high portability is realized and the storage space is saved; in addition, grounding brackets mounted on the periphery of a main body and capable of rotating within a certain angle range around the vertical direction are arranged on the base, when the grounding brackets are unfolded, the contact area of the base and the ground can be increased, the supporting stability of the multiple LED display screens is improved and relatively high wind resistance is realized; when the grounding brackets are folded, the multiple folded LED display screens can be protected.

Description

Mobile display

The invention relates to the field of road traffic facilities, in particular to a mobile display screen which is convenient to carry and wind resistant.

In the case of road traffic management or law enforcement, some warning notification devices need to be placed on the roadside to control the distribution of traffic flow and provide information services for drivers to drive safely. The existing common warning notification device is a traffic warning sign with the words "front accident, slow down", "progress inspection", etc., but in the dark night and in the rainy, foggy and other environments, these are set in traffic warnings. The characters on the cards do not emit light, and the visibility is not high after reflection. Therefore, some products use LEDs (Light Emitting Diode) to display warning information. Commonly, LEDs with tripods are common. Screen, each screen can display 4 words, the font size is generally 16×16, 24×24, or 32×32. These LED screens are generally placed horizontally, have poor wind resistance, cannot be folded, are large in size, and are easy to dump. It is inconvenient to carry, and the storage space is large, which cannot meet the actual needs.

The object of the present invention is to provide a mobile display screen which can be folded and placed, is convenient to carry, and is deployed quickly when used, and has strong wind resistance.

In order to achieve the above object, the present invention provides a mobile display screen including a base and a plurality of LED display screens mounted on the base that can be unfolded and folded in a vertical direction; the base is configured to support the plurality of LEDs The display expands in a vertical direction and houses a number of folded LED displays.

According to the aforementioned mobile display screen, the base includes a body, and the plurality of The LED display is mounted on the body.

According to the foregoing mobile display screen, the base may include a body and a first receiving portion that is open on one side of the body; the plurality of LED display screens are mounted on the body, the first capacity The compartment is used to accommodate a plurality of folded LED displays.

According to the foregoing, the base further includes at least two ground support brackets mounted on the periphery of the body to be rotatable in a vertical direction within a certain angular range.

One side of the LED display screen closest to the body is connected to the body through a hinge, and the other side is connected to the body through a pin; each side of the adjacent two LED display screens is connected to each other by a hinge, and the other side is connected to each other by a pin; On the same side of several LED displays, the hinges and pins are alternately arranged in the vertical direction.

The plurality of LED display screens are powered by a battery in a battery box, a mobile mobile power source, or a direct plug-in form.

According to the aforementioned mobile display screen, the mobile display screen further includes at least one battery case fixed to the base.

According to the foregoing, the base further includes a second receiving portion disposed on the other side of the body, and the second receiving portion is configured to receive the battery case.

According to the foregoing mobile display screen, the ground support is in the shape of a fence door, and the number is four, which are respectively installed at the four corners of the body.

According to the bottom of each of the grounding brackets, a level telescopic rod is disposed, and the ends of the grounding bracket and the leveling telescopic rod are mounted with a roller to contact the ground.

According to the aforementioned mobile display screen, the body is provided with a handle.

According to the foregoing mobile display screen, a plurality of lithium batteries are disposed in the battery case.

According to the foregoing mobile display screen, the side surface of the body further fixes the limiting plate for limiting the rotation angle of the ground contact bracket.

The lengths of the two ground support brackets on the same side of the body are different according to the foregoing.

According to the foregoing mobile display screen, each LED display screen includes a oppositely disposed face and bottom case, a PCB board disposed between the face case and the bottom case, and a plurality of arrays arranged on the PCB board in an array The LED lamp and the metal edging covering the left and right edges of the face shell and the bottom case; according to the hinges and the pins, respectively, are fixed to the metal edging and the face shell, and the metal edging and the bottom case by screws.

According to the foregoing, the plurality of LED lamps and the PCB board are sealed and waterproofed by a potting glue, and the PCB board and the bottom case are sealed and waterproofed by a sealing ring.

According to the foregoing, the PCB board has a mounting area for mounting a plurality of LED lamps, and a wiring area protruding from an edge of the mounting area, the bottom case surrounding the mounting area and the wiring area, and the wiring area in the mounting area A section of the boundary is provided at the junction of the area to separate the two areas.

According to the foregoing, the surface of the surface shell and the metal edging, and the bottom shell and the metal edging corresponding to the hinge are opened with an overflow groove.

If the mobile display screen of the present invention uses the base and a plurality of LED display screens that can be unfolded and folded in the vertical direction, when the mobile display screen is used, several LED display screens can be used. When the mobile display screen is used, several LED display screens can be folded and placed, which is convenient to carry and save storage space. In addition, the base is arranged to be mounted around the body to be at a certain angle around the vertical direction. The grounding bracket that rotates within the range can increase the contact area between the base and the ground when the grounding bracket is deployed, improve the support stability of a plurality of LED display screens, and has strong wind resistance; when the grounding bracket is folded It can protect several LED displays after folding.

1‧‧‧Base

2‧‧‧LED display

3‧‧‧ battery box

5‧‧ ‧ hinge

6‧‧‧Latch

7‧‧‧Wiring

11‧‧‧Ontology

12‧‧‧First Housing Department

13‧‧‧ Earthing bracket

14‧‧‧Second Accommodation Department

15‧‧‧Level telescopic rod

18‧‧‧Limited board

21‧‧‧ face shell

22‧‧‧ bottom case

23‧‧‧PCB board

24‧‧‧LED lights

25‧‧‧Metal edging

26‧‧‧Glue

27‧‧‧ sealing ring

28‧‧‧ intercepting baffle

29‧‧‧ overflow trough

231‧‧‧Installation area

16‧‧‧Roller

17‧‧‧Hands

232‧‧‧ wiring area

The detailed description of the present invention and the accompanying drawings are to be understood,

In the drawings, 1 is a perspective view of an angle of a moving display screen of the present invention in an unfolded working state; FIG. 2 is a perspective view of another angle of the moving display screen of the present invention in an unfolded working state; 1 is a schematic top view of the figure; FIG. 4 is a perspective view of the moving display screen of the present invention at an angle in a folded storage state; FIG. 5 is a perspective view showing another angle of the mobile display screen in a folded storage state; 6 is a perspective view of an embodiment of a base body in a mobile display screen of the present invention; FIG. 7 is a perspective view showing a horizontal telescopic rod of a single ground support in the mobile display screen of the present invention; FIG. FIG. 9 is a perspective view showing the expansion of the horizontal telescopic rod of the single ground contact bracket in the mobile display screen of the present invention; FIG. 9 is a perspective view showing the deployment of all the ground support brackets in the mobile display screen of the present invention; FIG. 10 is a view showing the present invention. A schematic diagram of the connection relationship between the LED display screen and the base body and between the plurality of LED display screens on the front sides of the plurality of LED display screens; FIG. 11 is a view showing the LEDs in the present invention A schematic diagram of the connection relationship between the display screen and the base body and between the plurality of LED display screens on the back of the plurality of LED display screens; FIG. 12 is a perspective view showing the single LED display screen on the front side thereof according to the present invention; FIG. 14 is a perspective exploded view showing a single LED display screen in the present invention; FIG. 14 is a perspective exploded view showing a single LED display screen in the present invention; Stereoscopic schematic diagram of the sequence; Fig. 17 and Fig. 18 are respectively showing the display of several LED displays in the present invention Stereoscopic diagram of state and folded state.

Please refer to FIG. 1 to FIG. 5 simultaneously. The present invention provides a mobile display screen as a road traffic warning notification device, comprising a base 1 and a plurality of mountable on the base 1 capable of being unfolded and folded in a vertical direction. LED display 2. The base 1 is configured to support the plurality of LED display screens 2 to be deployed in a vertical direction, and to accommodate a plurality of folded LED display screens 2. When using the mobile display screen, several LED display screens 2 can be quickly deployed in the vertical direction, and the vertical LED display screens 2 are stronger than the existing horizontally placed LED screens. Wind resistance; when the mobile display is used, several LED display screens 2 can be folded and placed for easy carrying and saving storage space.

The base 1 includes a body 11 on which the plurality of LED display screens 2 are mounted. The body 11 is referred to as a main body portion of the base 1 and is capable of independently supporting a plurality of LED display screens 2. The body 11 may be a rectangular parallelepiped body (not shown), or as shown in FIG. 6, a frame structure welded by a plurality of "mouth" shaped steels for aesthetics and protection of the folded LED display. For the purpose of the screen 2, the plate material can be welded to the open portion of the frame structure as in Figs. 1, 2, 4, and 5.

As shown in FIG. 6 , in conjunction with FIGS. 1 to 5 , the base 1 includes a body 11 and a first receiving portion 12 that is open above one side of the body 11 ; the plurality of LEDs The display screen 2 is mounted on the body 11, and the first receiving portion 12 is for accommodating a plurality of folded LED display screens 2.

In combination with FIGS. 1 to 5 and 7 to 9 , in order to improve the stability of the plurality of LED display screens 2 supported by the base 1 , the wind resistance of the entire mobile display screen is greatly enhanced, and the base 1 is Also included is at least two ground support brackets 13 mounted to the periphery of the body 11 for rotation in a range of angles in a vertical direction. The bottom of each of the grounding brackets 13 is hollow, and a leveling telescopic rod 15 is disposed therein. The grounding brackets 13 and the ends of the leveling telescopic rods 15 are each mounted with a roller 16 to contact the ground. When the grounding bracket 13 is unfolded and the horizontal telescopic rod 15 is pulled out from the ground supporting bracket 13, the contact area of the base 1 is increased, and the number of supporting the base 1 is greatly enhanced. The stability of the LED display 2 and the wind resistance of the entire mobile display.

The plurality of LED display screens 2 can be powered by a battery in the battery box, a mobile mobile power source, or a direct plug-in form, and each LED display screen 2 can display one or more characters to form an alert notification content. Considering the uncertainty of the working environment of the mobile display screen, it is preferable to supply power to the plurality of LED display screens 2 in a battery form, and then the mobile display screen further comprises at least one battery box 3 fixed on the base 1 A plurality of lithium batteries are disposed in the battery case 3. Fig. 2 shows that the number of battery cases 3 is two, one of which is for direct power supply and the other is for standby. In order to cooperate with the battery case 3, the base 1 further includes a second receiving portion 14 disposed on the other side of the body 11, and the second receiving portion 14 is for accommodating the battery case 3. As shown in FIG. 6, the second accommodating portion 14 may penetrate the first accommodating portion 12, and the battery case 3 may be fixed by a hook or the like; as shown in FIG. 1, FIG. 2, and FIG. The second accommodating portion 14 may also be separated from the first accommodating portion 12, and the battery case 3 is fixed by a screw.

In order to protect the folded LED display 2 and the battery case, as shown in FIGS. 1 to 5 and 9 , it is preferable that the ground support 13 has a fence shape, and the number thereof is four. The two grounding brackets 13 on the same side of the main body 11 are different in length, so that the shorter grounding brackets 13 can be accommodated inside, and are longer. The ground support 13 can be housed outside, and a limiting plate 18 is welded to the side of the body 11 for limiting the angle of rotation of the ground support 13. The limiting plate 18 is welded to the outer surface of the body 11, partially overlaps the ground support 13 in the width direction thereof, and the rotation angle of the ground support 13 is adjusted by adjusting the length of the overlapping portion. When the four grounding brackets 13 are fully deployed, they are substantially X-shaped, and can stably support several LED display screens 2, and have strong wind resistance. When the plurality of LED display screens 2 are folded and the four ground contact brackets 13 are folded, the two ground contact brackets 13 on one side of the body 11 together with the first receiving portion 12 surround the folded LED display screens 2, The folded LED display screens 2 are protected; the two ground contact brackets 13 on the other side of the body 11 and the second housing portion 14 surround the battery case 3 to protect the battery case 3.

A plurality of LED display screens 2 are folded, and after the four grounding brackets 13 are gathered, the entire mobile display screen is similar to a rectangular parallelepiped luggage box. In order to conveniently carry the mobile display screen in the folded storage state, the body 11 is provided with a handle 17 .

Referring to FIG. 10 and FIG. 11 , in combination with FIG. 1 and FIG. 2 , the body 11 is provided with a threaded hole and a pin hole, and the hinge 5 of one side of the LED display 2 closest to the body 11 is provided. It is connected to the body 11 and the other side is connected to the body 11 via a plug 6. One side of each adjacent two LED display screens 2 is connected to each other by a hinge 5, and the other side is connected to each other by a bolt 6. On the same side of several LED display screens 2, the hinge 5 and the pin 6 are alternately arranged in the vertical direction. .

Referring to FIG. 12 to FIG. 14 together, in conjunction with FIG. 10 and FIG. 11 , each of the LED display screens 2 includes oppositely disposed face shells 21 and bottom shells 22 , and is disposed on the face shells 21 and the bottom shells 22 . a printed circuit board 23, a plurality of LED lamps 24 arranged in an array on the PCB board 23, and covering the left and right edges of the face shell 21 and the bottom case 22 Metal edging 25. The face shell 21 and the bottom case 22 are injection molded from a plastic material, and the metal clad 25 fixes the face shell 21 and the bottom case 22 by screws. The hinge 5 and the plug 6 are respectively fixed to the metal bezel 25 and the face shell 21, and the metal clad 25 and the bottom case 22 by screws.

The plurality of LED lamps 24 and the PCB board 23 are sealed and sealed by the glue 26, and the PCB board 23 and the bottom case 22 are sealed and sealed by the sealing ring 27. Further, the PCB board 23 has a mounting area 231 for mounting a plurality of LED lamps 24, and a wiring area 232 protruding from an edge of the mounting area 231, the bottom housing 22 surrounding the mounting area 231 and the wiring area 232. A intercepting baffle 28 is disposed at the boundary between the mounting area 231 and the wiring area 232 to separate the two areas. The cross-sectional baffle 28 has an L-shaped cross section, and both ends of the intercepting baffle 28 are embedded in the bottom casing 22, as shown in FIG. 15 and FIG. For the flow, the mounting area 231 of the plurality of LED lamps 24 is filled with glue, and then the wiring area 232 is finished after the welding and testing of the wiring line 232 is completed, and then the wiring area 232 is filled with glue, wherein the routing 7 includes different Communication control line and power line between LED display 2.

It is worth mentioning that, as shown in FIG. 17 and FIG. 18, in order to prevent the plurality of LED display screens 2 from being broken, the face shell 21 and the metal cladding 25 and the bottom case 22 are The metal bezel 25 has an overflow groove 29 in the region where the hinge 5 is bent.

In summary, the mobile display screen of the present invention can be provided with a base and a plurality of LED display screens that can be unfolded and folded in a vertical direction on the base; when the mobile display screen is used, Several LED display screens are quickly unfolded; when the mobile display screen is used, several LED display screens can be folded and placed, which is convenient to carry and save storage space; in addition, the base is arranged to be installed around the body to be able to erect The grounding bracket that rotates in a straight direction within a certain angle range can increase the contact area between the base and the ground when the grounding bracket is deployed, improve the support stability of a plurality of LED display screens, and has strong wind resistance; When the grounding bracket is folded, it can protect the folded LED display.

In the above, various other changes and modifications can be made in accordance with the technical solutions and technical concept of the present invention, and all such changes and modifications are to be included in the appended claims. The scope of protection.

1‧‧‧Base

2‧‧‧LED display

5‧‧ ‧ hinge

6‧‧‧Latch

11‧‧‧Ontology

12‧‧‧First Housing Department

13‧‧‧ Earthing bracket

15‧‧‧Level telescopic rod

16‧‧‧Roller

21‧‧‧ face shell

24‧‧‧LED lights

25‧‧‧Metal edging

29‧‧‧ overflow trough

Claims (18)

A mobile display screen comprising a base (1), and a plurality of LED display screens (2) mounted on the base (1) capable of being unfolded and folded in a vertical direction; the base (1) is used for supporting the display The plurality of LED displays (2) are unfolded in a vertical direction and accommodate a plurality of folded LED displays (2). The mobile display screen of claim 1, wherein the base (1) comprises a body (11), and the plurality of LED display screens (2) are mounted on the body (11). The mobile display screen according to claim 1, wherein the base (1) comprises a body (11), and a first receiving portion (12) disposed above one side of the body (11); The plurality of LED display screens (2) are mounted on the body (11), and the first receiving portion (12) is configured to accommodate a plurality of folded LED display screens (2). The mobile display screen according to claim 2, wherein the base (1) further comprises at least two touches mounted on the periphery of the body (11) capable of rotating in a range of angles in a vertical direction. Ground support (13). The mobile display screen according to claim 2 or 3, wherein one side of the LED display screen (2) closest to the body (11) is connected to the body (11) through a hinge (5), and the other side is Connected to the body (11) through the pin (6); one side of each adjacent two LED display screens (2) is connected to each other by a hinge (5), and the other side is connected to each other by a pin (6); The same side of the screen (2), the hinge (5) and the latch (6) are alternately arranged in the vertical direction. The mobile display screen of claim 4, wherein the plurality of LED display screens (2) are powered by a battery in a battery box, a mobile power source, or a direct plug-in form. The mobile display screen of claim 6, further comprising at least one battery case (3) fixed to the base (1). The mobile display screen according to claim 7, wherein the base (1) further includes a second receiving portion (14) disposed on the other side of the body (11), the second receiving portion The part (14) is for accommodating the battery case (3). The mobile display screen according to claim 4, wherein the ground supporting brackets (13) are in the shape of a fence door, and the number thereof is four, which are respectively installed at the four corners of the body (11). The mobile display screen according to claim 9, wherein the bottom of each ground support (13) is provided with a level telescopic rod (15), and the ground support (13) and the horizontal telescopic rod (15) A roller (16) is attached to the ground to contact the ground. A mobile display screen according to claim 2, wherein the body (11) is provided with a handle (17). The mobile display screen according to claim 7, wherein the battery case (3) is provided with a plurality of lithium batteries. The mobile display screen according to claim 9, wherein the side surface of the body (11) is fixed to the limiting plate (18) for limiting the rotation angle of the ground supporting bracket (13). The mobile display screen of claim 13, wherein the lengths of the two ground support brackets (13) on the same side of the body (11) are different. The mobile display screen of claim 5, wherein each of the LED display screens (2) includes oppositely disposed face shells (21) and bottom shells (22), and is disposed on the face shells (21) and bottoms a PCB board (23) between the shells (22), a plurality of LED lamps (24) arranged in an array on the PCB board (23), and a cover of the face shell (21) and the bottom case ( 22) metal edging (25) on the left and right edges; the hinge (5) and the pin (6) are respectively fixed to the metal edging (25) and the face shell (21) by screws, and the metal edging (25) ) with the bottom case (22). The mobile display screen according to claim 15, wherein the plurality of LED lamps (24) and the PCB board (23) are sealed and sealed by a glue (26), the PCB board (23) and the bottom. The shell (22) is sealed and waterproofed by a sealing ring (27). The mobile display screen of claim 16, wherein the PCB board (23) having a mounting area (231) for mounting a plurality of LED lamps (24), and a wiring area (232) protruding from an edge of the mounting area (231), the bottom case (22) surrounding the mounting The zone (231) and the wiring zone (232) are provided with a intercepting baffle (28) at the boundary between the mounting zone (231) and the wiring zone (232) to separate the two zones. The mobile display screen according to claim 15, wherein the face shell (21) and the metal edging (25), and the bottom case (22) and the metal edging (25) are hinged (5) The bent area has an overflow groove (29).