CN219392892U - LED display device - Google Patents

Abstract

The utility model discloses an LED display device, which comprises a bottom shell, a PCB (printed circuit board), a bracket and a mask, wherein the bottom shell is made of aluminum alloy, a plurality of preformed holes are formed in the PCB, the bracket is of a grid structure and is provided with a first mounting surface and a second mounting surface which are oppositely arranged, and mounting protrusions are convexly arranged on the first mounting surface of the bracket; the mounting protrusions of the bracket are inserted into the corresponding preformed holes so as to enable the bracket to be detachably connected with the PCB; the bottom shell is connected with the PCB at one side close to the second mounting surface; the mask covers the bottom shell on the opposite side of the support, so that the LED display device can dissipate heat and the occupied external installation space is not too large.

Description

LED display device

Technical Field

The utility model relates to the technical field of LED display, in particular to an LED display device.

Background

With the continuous progress of social economy and the continuous perfection of LED display technology, LED display devices are becoming an important means of information transmission, and their application fields are becoming wider and wider. The LED display device is usually composed of a plurality of modules, and the LED display device is a heat source for active light emission, which is easy to generate heat during light emission, especially a large area outdoor display device, which generates a large amount of heat during operation, so as to avoid affecting the working performance of the LED display device, and the LED display device is usually required to have a heat dissipation function.

However, in order to transfer heat generated during operation of the LED display device, a fan or an air conditioner is generally installed in a box of the existing LED display device to dissipate heat, so that an installation space of the LED display device is easily oversized, and a bottom shell of the LED display device is usually required to be matched with a PCB board for use, so that a mold of the bottom shell is diversified.

Disclosure of Invention

The embodiment of the utility model aims to solve the technical problems of overlarge box installation space and bottom shell compatibility caused by the arrangement of a heat dissipation function of the traditional LED display device.

In order to solve the above technical problems, an embodiment of the present utility model provides an LED display device, which adopts the following technical schemes:

the LED display device includes:

the device comprises a bottom shell, a PCB, a bracket and a mask;

the bottom shell is made of aluminum alloy;

a plurality of preformed holes are formed in the PCB;

the bracket is in a grid structure and is provided with a first installation surface and a second installation surface which are oppositely arranged, and an installation protrusion is convexly arranged on the first installation surface of the bracket;

the mounting protrusions of the bracket are inserted into the corresponding reserved holes, so that the bracket is detachably connected with the PCB; the bottom shell is connected with the PCB at one side close to the second mounting surface; the mask covers the bottom shell on the opposite side surface of the bracket.

Further, in a preferred aspect of some embodiments, the bottom chassis includes a case body, a receiving cavity is formed at a side of the case body facing the bracket, and the bracket is located in the receiving cavity.

Further, in a preferred aspect of some embodiments, the LED display device further includes a thermal conductive adhesive layer, the thermal conductive adhesive layer being located between the case body and a face of the PCB board adjacent to the first mounting face.

Further, in a preferred aspect of some embodiments, the bottom case further includes a heat sink provided on an outer wall surface and/or an inner wall surface of the case body.

Further, in a preferred solution of some embodiments, the bottom shell further includes a first mounting strip, the first mounting strip is protruding in the accommodating cavity and is disposed on the shell body, and a clamping groove that is inserted with the first mounting strip is disposed on the second mounting surface of the bracket.

Further, in a preferred scheme of some embodiments, a first mounting hole is formed in the first mounting bar, a second mounting hole corresponding to the first mounting hole is formed in the PCB, and the PCB is fixed to the bottom case through cooperation of a fastener with the second mounting hole and the first mounting hole.

Further, in a preferred version of some embodiments, the first mounting bar is provided with a plurality of first mounting bars arranged in a grid shape to fit the bracket.

Further, in a preferred aspect of some embodiments, a third mounting hole is provided on the mask, and the mask is correspondingly connected with the mounting protrusion passing through the pre-reserved hole and the third mounting hole through a fastener, so as to cover the shell body.

Further, in a preferred solution of some embodiments, an avoidance hole is provided on the bottom case at a position corresponding to the PCB board.

Further, in a preferred solution of some embodiments, the bottom case is provided with a mounting position, and the LED display device further includes a front maintenance lock assembly, where one end of the front maintenance lock assembly passes through the mounting position and the other end is exposed to the bottom case, so that the LED display device is fixedly connected to the case by rotation.

Compared with the prior art, the LED display device provided by the embodiment of the utility model has the following main beneficial effects:

according to the LED display device, the support which is provided with the first installation surface and the second installation surface which are oppositely arranged and is in the grid structure is arranged on the bottom shell made of the aluminum alloy material, the PCB is arranged on the bottom shell through the support, and the mask covers the bottom shell on the opposite side surface of the support, so that heat generated by the LED display device during operation can be transferred to an external space through the bottom shell made of the aluminum alloy material, the heat dissipation effect of the LED display device is enhanced, the internal space of the LED display device does not need an excessive installation space, and the occupied external installation space is not excessively large; meanwhile, the PCB is arranged on the bottom shell by the aid of the support, so that the bottom shell of the same structure can be matched with the PCB with different structure settings, compatibility of the bottom shell is improved, the die diversification of the bottom shell is reduced, production cost of the bottom shell is saved, and the whole structure of the LED display device is more compact.

Drawings

In order to more clearly illustrate the solution of the present utility model, a brief description will be given below of the drawings required for the description of the embodiments, it being obvious that the drawings in the following description are some embodiments of the present utility model, and that other drawings may be obtained from these drawings without inventive effort for a person skilled in the art. Wherein:

FIG. 1 is a schematic perspective view of an LED display device according to an embodiment of the present utility model;

FIG. 2 is a schematic perspective exploded view of the LED display device of FIG. 1;

FIG. 3 is a schematic perspective view of a bottom case of the LED display device in FIG. 1;

FIG. 4 is a schematic perspective view of another view of the bottom case of the LED display device of FIG. 1;

fig. 5 is a schematic perspective view of a PCB board of the LED display device of fig. 1;

FIG. 6 is a schematic perspective view of a stand of the LED display device of FIG. 1;

fig. 7 is a schematic perspective view of a mask of the LED display device of fig. 1.

The reference numerals in the drawings are as follows:

100. an LED display device;

1. a bottom case; 11. a housing body; 111. a receiving chamber; 112. a frame; 12. a heat sink; 13. a first mounting bar; 131. a first mounting hole; 132. a mounting column; 14. avoidance holes; 15. a mounting position; 16. positioning columns;

2. a PCB board; 21. a preformed hole; 22. a second mounting hole;

3. a bracket; 31. a first mounting surface; 311. mounting the bulge; 32. a second mounting surface; 321. a clamping groove;

4. a face mask; 41. a third mounting hole;

5. a front maintenance lock assembly; 51. a lock body; 52. a locking plate;

6. and (5) mounting a frame.

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 utility model belongs; the terms used in the specification are used herein for the purpose of describing particular embodiments only and are not intended to limit the present utility model, for example, the orientations or positions indicated by the terms "length", "width", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. are orientations or positions based on the drawings, which are merely for convenience of description and are not to be construed as limiting the present utility model.

The terms "comprising" and "having" and any variations thereof in the description of the utility model and the claims and the description of the drawings above are intended to cover a non-exclusive inclusion; the terms first, second and the like in the description and in the claims or in the above-described figures, are used for distinguishing between different objects and not necessarily for describing a sequential or chronological order. The meaning of "a plurality of" is two or more, unless specifically defined otherwise.

In the description of the utility model and the claims and the above figures, when an element is referred to as being "fixed" or "mounted" or "disposed" or "connected" to another element, it can be directly or indirectly on the other element. For example, when an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element.

Furthermore, references herein to "an embodiment" mean that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the present utility model. The appearances of such phrases 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. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

The embodiment of the utility model provides an LED display device 100, as shown in fig. 1 and 2, the LED display device 100 comprises a bottom shell 1, a PCB (printed circuit board) 2, a bracket 3 and a mask 4, wherein the bottom shell 1 is made of aluminum alloy, and the bottom shell 1 made of aluminum alloy has high heat conductivity coefficient, so that the bottom shell 1 is favorable for heat dissipation; as shown in fig. 5, a plurality of preformed holes 21 are formed in the PCB 2; as shown in fig. 2 and 6, the bracket 3 has a grid structure and has a first mounting surface 31 and a second mounting surface 32 that are disposed opposite to each other, and a mounting protrusion 311 is provided on the first mounting surface 31 of the bracket 3. Wherein, the mounting protrusion 311 of the bracket 3 is inserted into the corresponding preformed hole 21, so that the bracket 3 is detachably connected with the PCB 2; the bottom shell 1 is connected with the PCB 2 at one side close to the second mounting surface 32; the mask 4 is covered on the bottom shell 1 on the opposite side of the bracket 3. In this way, heat generated by the LED display device 100 when in operation can be transferred to the external space through the bottom chassis 1, thereby enhancing the heat dissipation effect of the LED display device 100.

Particularly, the bottom shell 1 made of the aluminum alloy material has a high heat conductivity coefficient, so that the LED display device 100 can better dissipate heat, thereby facilitating promotion of the heat dissipation effect of the LED display device 100, protecting the PCB 2, inside the LED display device 100, provided with electronic components, enabling the LED display device 100 to maintain longer working time, and enhancing the working performance of the LED display device 100.

Further, as shown in fig. 6, the bracket 3 is preferably a bracket 3 made of plastic material in a zigzag shape. The mounting protrusion 311 arranged on the first mounting surface 31 of the bracket 3 is inserted into the preformed hole 21 on the PCB 2, the second mounting surface 32 of the bracket 3 is arranged on the bottom shell 1 in a flattened manner, and the bracket 3 maintains a certain flatness in the bottom shell 1, so that the PCB 2 can be arranged on the bottom shell 1 and can maintain a certain flatness, and the electronic components arranged on the PCB 2 can better exert working performance, and the functional effect of the display information of the LED display device 100 can be enhanced.

It will be appreciated that the location of the beads on the PCB board 2 for display purposes will generally need to be varied according to the information content presented by the LED display device 100. In the LED display device 100, the setting of the bracket 3 is favorable for matching the PCB boards 2 with different lamp bead setting positions with the bottom shell 1 with the same structure, so as to improve the compatibility of the bottom shell 1, and if the LED display device 100 is required to display different information, the bracket 3 with another structure can be replaced to set the PCB boards 2 with different lamp bead setting positions on the bottom shell 1 with the same structure, so that the production of the bottom shell 1 with different structures is reduced, and the production cost is saved.

In summary, compared with the prior art, the LED display device 100 has at least the following advantages: the LED display device 100 dissipates heat through the bottom shell 1 made of aluminum alloy, namely, heat generated by the LED display device 100 in the working process can be transferred to the outside air through the bottom shell 1 made of aluminum alloy, so that the LED display device 100 does not need to be provided with other heat dissipation devices in the inner space to enhance the heat dissipation effect, the inner installation space of the LED display device 100 can be reduced, and the whole installation space of the LED display device 100 is prevented from being overlarge. Meanwhile, the PCB 2 is arranged on the bottom shell 1 through the support 3, so that the structure of the bottom shell 1 does not need to change along with the change of the structural arrangement of the PCB 2, namely, the bottom shell 1 of the same structure can be adapted to the PCB 2 arranged at different lamp bead positions, the compatibility of the bottom shell 1 is improved, the die diversification of the bottom shell 1 can be reduced in the production and manufacturing process of the LED display device 100, and the production cost is saved.

In order to better understand the solution of the present utility model by those skilled in the art, the following description will clearly and completely describe the solution of the embodiment of the present utility model with reference to fig. 1 to 7.

Further, as shown in fig. 3 and 4, in order to provide the bottom case 1 with a certain accommodating capability, the bottom case 1 includes a case body 11, where a accommodating cavity 111 is formed on a side of the case body 11 facing the stand 3, and the stand 3 is located in the accommodating cavity 111, so that the overall structure of the LED display device 100 is more compact, and the internal space of the LED display device 100 is reduced.

Specifically, as shown in fig. 4, in order to facilitate the cover of the mask 4 on the bottom shell 1, a frame 112 is disposed around the shell body 11, so that the mask 4 can be in contact with the frame 112, and further, the mask 4 and the frame 112 are convenient to be contacted and attached, so that external substances can be prevented from entering the bottom shell 1 to adversely affect the working performance of the PCB board 2.

Further, as a specific implementation manner in some embodiments of the present utility model, in order to promote the heat dissipation of the LED display device 100 to better protect the functional panel of the LED display device 100, the LED display device 100 further includes a heat conductive adhesive layer (not shown), where the heat conductive adhesive layer is located between the case body 11 and one side of the PCB board 2 near the first mounting surface 31, so that when the LED display device 100 is powered on, the heat generated by the PCB board 2 during the power on operation can be transferred to the bottom case 1 made of the aluminum alloy material of the LED display device 100 through the heat conductive adhesive layer, which is beneficial to accelerating the heat transfer speed on the PCB board 2 and enhancing the heat dissipation effect of the LED display device 100.

Specifically, in this embodiment, the heat conducting adhesive layer (not shown) is preferably a solid thermal silica gel layer (not shown) with a high heat conductivity coefficient, the PCB board 2 is used as a functional panel of the LED display device 100, electronic components are generally required to be disposed on the PCB board 2, and the electronic components disposed on the PCB board 2 are connected with the bottom shell 1 through the solid thermal silica gel layer, so that heat generated by the electronic components in the power-on operation can be transferred to the bottom shell 1 through the solid thermal silica gel layer, thereby the LED display device 100 can realize rapid heat dissipation, which is beneficial to protecting the working performance of the electronic components on the PCB board 2, and meanwhile, the service life of the electronic components on the PCB board 2 can be prolonged, thereby being beneficial to prolonging the working time of the LED display device 100.

Further, as shown in fig. 3 and fig. 4, in order to further promote the heat dissipation of the LED display device 100 during operation, the bottom case 1 further includes a heat dissipation element 12, where the heat dissipation element 12 is disposed on an outer wall surface or an inner wall surface of the case body 11, or the heat dissipation element 12 is disposed on both the outer wall surface and the inner wall surface of the case body 11, so as to further enhance the heat dissipation function of the LED display device 100, enhance the heat dissipation effect of the LED display device 100, and facilitate protecting the LED display device 100 from normal operation.

Further, as shown in fig. 4, in order to facilitate the support 3 being disposed in the accommodating cavity 111 of the bottom shell 1, the bottom shell 1 further includes a first mounting strip 13, where the first mounting strip 13 is protruding in the accommodating cavity 111 and is disposed on the housing body 11, and a slot 321 that is inserted into the first mounting strip 13 is disposed on the second mounting surface 32 of the support 3, so that the support 3 may be disposed in the accommodating cavity 111 of the bottom shell 1 by inserting the slot 321 into the first mounting strip 13, which is beneficial to maintaining the flatness of the support 3 when being disposed in the bottom shell 1, thereby facilitating maintaining the flatness of the PCB 2 in the bottom shell 1, and making the display function of the PCB 2 better.

Further, as a specific implementation manner in some embodiments of the present utility model, as shown in fig. 4, in order to fix the PCB board on the bottom case, a first mounting hole is provided on the first mounting bar, as shown in fig. 5, a second mounting hole corresponding to the first mounting hole is provided on the PCB board, where the PCB board is fixed on the bottom case through cooperation of a fastener (not shown) with the second mounting hole and the first mounting hole, so that the PCB board can be fixed in the bottom case, that is, the stability of the PCB board in the bottom case is improved, so that the PCB board better exerts its working performance.

Specifically, in this embodiment, as shown in fig. 4, in order to facilitate the cooperation of the PCB 2 with the second mounting hole 22 and the first mounting hole 131 through a fastener (not shown), the first mounting bar 13 is provided with a mounting post 132, and the first mounting hole 131 is provided with the mounting post 132, so that the fastener is convenient to assemble with the first mounting hole 131 and the second mounting hole 22, thereby facilitating the cooperation of the PCB 2 with the second mounting hole 22 and the first mounting hole 131 through the fastener.

Further, as a specific implementation manner in some embodiments of the present utility model, as shown in fig. 4, in order to enhance the mounting stability between the bracket 3 and the bottom shell 1, the first mounting strips 13 are provided with a plurality of first mounting strips 13, and the plurality of first mounting strips 13 are arranged in a grid shape to be matched with the bracket 3, so that the bracket 3 can be plugged into the plurality of first mounting strips 13, which is beneficial to enhancing the stability of plugging of the bracket 3 into the first mounting strips 13, that is, enhancing the stability of setting of the bracket 3 on the bottom shell 1.

Further, as a specific implementation manner in some embodiments of the present utility model, as shown in fig. 7, in order to stably cover the mask 4 on the bottom shell 1, a third mounting hole 41 is provided on the mask 4, where the mask 4 is correspondingly connected with the mounting protrusion 311 passing through the preformed hole 21 and the third mounting hole 41 through a fastener (not shown), so that the mask 4 can be covered on the shell body 11 by fastening the mounting protrusion 311 passing through the preformed hole 21 of the bracket 3, which is beneficial to enhancing the contact between the mask 4 and the bracket 3, so that the PCB board 2 can be better protected from external substances.

Specifically, in this embodiment, as shown in fig. 2, the bracket 3 and the PCB 2 are disposed between the bottom shell 1 and the face mask 4, so as to avoid bad influence of the face mask 4 on the display function of the LED display device 100, and a plurality of bead exposure openings are disposed on the face mask 4, so that when the face mask 4 covers the PCB 2, the information on the PCB 2 is not affected, and the effect of bead display on the PCB 2 and the aesthetic property of the LED display device 100 are avoided.

Further, as shown in fig. 2, in order to facilitate connection between a power source (not shown) and a signal source (not shown) of the LED display device 100, an avoidance hole 14 is provided on the bottom case 1 at a position corresponding to the PCB 2, so that the PCB 2 can be connected to the power source and the signal source through the avoidance hole 14, which is beneficial to function exertion of the PCB 2.

Further, as shown in fig. 2, in order to facilitate the placement of the LED display device 100 in a case (not shown), the bottom case 1 is provided with a mounting location 15, and the LED display device 100 further includes a front maintenance lock assembly 5, where one end of the front maintenance lock assembly 5 passes through the mounting location 15 and the other end is exposed to the bottom case 1 at a location corresponding to the mounting location 15, so as to fixedly connect the LED display device 100 to the case by rotation.

Specifically, in the present embodiment, as shown in fig. 2, the front maintenance lock assembly 5 includes a lock body 51 and a lock piece 52, the front maintenance lock assembly 5 includes the lock body 51 and the lock piece 52, the lock body 51 is disposed at the mounting position 15 through the lock piece 52, and the lock body 51 penetrates the PCB board 2, so that the LED display device 100 can be fixedly connected to the case by rotating the lock body 51, and at the same time, maintenance of the LED display device 100 is facilitated.

In particular, in the present embodiment, as shown in fig. 2, the bottom case 1 further includes a positioning post 16, and the positioning post 16 is disposed on one side of the mounting position 15 of the front maintenance lock assembly 5, so as to position the mounting position 15 on the bottom case 1 during the manufacturing process of the bottom case 1, and facilitate the production and manufacture of the bottom case 1.

Further, as a specific implementation manner in some embodiments of the present utility model, as shown in fig. 2, in order to facilitate the use of the LED display device 100, the LED display device 100 includes a mounting frame 6, and the mounting frame 6 is disposed on the bottom case 1 and located at a side opposite to the PCB board 2, so that the LED display device 100 may be installed in an external environment through the mounting frame 6 for use, improving the convenience of use of the LED display device 100, and enhancing the practicality of the LED display device 100.

The foregoing description is only of the preferred embodiments of the utility model and is not intended to limit the utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the scope of the claims of the present utility model.

Claims (10)

1. An LED display device is characterized by comprising a bottom shell, a PCB board, a bracket and a mask;

the bottom shell is made of aluminum alloy;

a plurality of preformed holes are formed in the PCB;

the bracket is in a grid structure and is provided with a first installation surface and a second installation surface which are oppositely arranged, and an installation protrusion is convexly arranged on the first installation surface of the bracket;

the mounting protrusions of the bracket are inserted into the corresponding reserved holes, so that the bracket is detachably connected with the PCB; the bottom shell is connected with the PCB at one side close to the second mounting surface; the mask covers the bottom shell on the opposite side surface of the bracket.

2. The LED display device of claim 1, wherein the bottom case includes a case body, a receiving cavity is formed at a side of the case body facing the bracket, and the bracket is positioned in the receiving cavity.

3. The LED display device of claim 2, further comprising a layer of thermally conductive glue between the housing body and a face of the PCB proximate the first mounting face.

4. The LED display device of claim 2, wherein the bottom case further comprises a heat sink provided on an outer wall surface and/or an inner wall surface of the case body.

5. The LED display device of claim 2, wherein the bottom case further comprises a first mounting bar, the first mounting bar is protruding in the accommodating cavity and provided with a slot inserted into the first mounting bar, and the second mounting surface of the bracket is provided with a slot.

6. The LED display device of claim 5, wherein the first mounting bar is provided with a first mounting hole, the PCB is provided with a second mounting hole corresponding to the first mounting hole, and the PCB is fixed to the bottom case by a fastener in cooperation with the second mounting hole and the first mounting hole.

7. The LED display device of claim 5, wherein the first mounting bar is provided with a plurality of first mounting bars arranged in a grid shape to fit the bracket.

8. The LED display device of claim 2, wherein a third mounting hole is provided in the face mask, and the face mask is correspondingly connected to the mounting boss and the third mounting hole penetrating through the pre-reserved hole by a fastener, so as to cover the case body.

9. The LED display device of claim 1, wherein the bottom case is provided with a relief hole at a position corresponding to the PCB.

10. The LED display device of any one of claims 1 to 9, wherein the bottom case is provided with a mounting position, and the LED display device further comprises a front maintenance lock assembly, one end of the front maintenance lock assembly passes through the mounting position at a position corresponding to the mounting position, and the other end is exposed to the bottom case, so that the LED display device is fixedly connected to the case by rotation.