CN211349982U

CN211349982U - Shell for bearing LED module and LED box

Info

Publication number: CN211349982U
Application number: CN201922482755.0U
Authority: CN
Inventors: 王军伟; 江忠永
Original assignee: Hangzhou Multi Color Optoelectronics Co ltd
Current assignee: Hangzhou Multi Color Optoelectronics Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-08-25
Anticipated expiration: 2029-12-30

Abstract

The application discloses a casing and LED box for bearing LED module, it is serious that it has solved among the prior art that LED display uses for a long time and generates heat, and heat distribution is uneven, easily produces local ageing, influences display effect scheduling problem. This casing includes: a back plate; the side plates are connected with the edges of the back plate and comprise a first side plate and a second side plate; wherein, the same side of first curb plate and second curb plate all is provided with the recess. The side plate is vertical to the back plate and is designed as an integral body. This casing is through setting up the recess that corresponds at first curb plate and second curb plate for cavity between casing and the base plate can carry out gas exchange and flow through recess and outside air, makes the below inflow of cold air from the cavity, and hot-air flows out from the top of cavity, prevents that the higher air of temperature from piling up in the cavity, makes whole display device's heat distribution even, has guaranteed the homogeneous and the stability of display device luminance in its whole life cycle.

Description

Shell for bearing LED module and LED box

Technical Field

The utility model relates to a LED display screen technical field especially relates to an utilize air flow to carry out radiating casing and LED box that are used for bearing LED module.

Background

A Light Emitting Diode, abbreviated As LED (Light Emitting Diode), is generally made of a compound containing gallium (Ga), arsenic (As), phosphorus (P), nitrogen (N), and the like. The principle that visible light can be radiated when electrons and holes are compounded is utilized to realize luminous illumination. The light emitting diode can be used as an indicator light in circuits and instruments or form a character or number display. With the development of LED technology, LED displays manufactured by using LEDs as light sources are widely used.

Most of the currently used LED boxes are shown in fig. 1, and include an LED module, where the LED module includes a substrate 20, and an LED light-emitting assembly 21 attached to one side of the substrate 20, the LED box further includes a housing 10 located on the other side of the substrate 20, the housing 10 is fixedly connected to the other side of the substrate 20 and forms a cavity 11, and during normal use, the LED box generates a large amount of heat, which is mostly from the LED light-emitting assembly 21 and a power supply circuit located on the substrate 20 and supplying power to the light-emitting assembly 21, and the large amount of heat increases the temperature of air in the cavity 11, according to the principle of convection thermodynamics, the hot air rises, the cold air falls, a large amount of hot air accumulates above the cavity 11, and too high heat causes many adverse effects on the LED light-emitting assembly 21 and circuits and circuit elements on the substrate 20, and too high working temperature not only reduces the service life, the luminous performance of the LED luminous component 21 is more likely to be influenced, so that the maximum brightness of the LED luminous component 21 positioned in the upper area cannot reach a preset value, the overall brightness of the LED box body is not uniform, and the consistency of the display effect is influenced.

SUMMERY OF THE UTILITY MODEL

In view of the above problem, an object of the utility model is to provide a casing and LED box for bearing LED module, this casing is through setting up the recess that corresponds at first curb plate and second curb plate, make the cavity between casing and the base plate can carry out gas exchange and flow through recess and outside air, make cold air flow in from the below of cavity, hot-air flows out from the top of cavity, prevent that the higher air of temperature from piling up in the cavity, make whole display device's heat distribution even, the partial region that has avoided leading to because of local high temperature is ageing too fast, make the unable normal use condition of whole display device, the homogeneity and the stability of display device luminance in its whole life cycle have been guaranteed.

According to the utility model discloses an aspect provides a casing for bearing LED module, a serial communication port, include: a back plate; the side plates are connected with the edges of the back plate and comprise a first side plate and a second side plate; the grooves are formed in the same side of the first side plate and the second side plate, and the grooves of the first side plate and the grooves of the second side plate are used for forming communicated airflow channels.

Preferably, the side plate is perpendicular to the back plate, and the side plate and the back plate are designed in an integrated manner.

Preferably, the grooves are arranged at equal intervals, and the grooves of the first side plate correspond to the grooves of the second side plate.

Preferably, the groove is any one of a rectangle, a rounded rectangle, a trapezoid, a rounded trapezoid, a semicircle, a semiellipse, a semioval and an arc.

Preferably, the width of the groove is not more than 30 mm.

Preferably, the depth of the groove is no greater than 4 mm.

Preferably, the back plate is provided with a connecting hole and a sliding groove, and the sliding groove is used for being connected with a bracket, so that the relative position of the shell and the bracket can be adjusted.

Preferably, the back plate and the side plate enclose a cavity, and the back plate further comprises at least one opening, wherein the opening connects the cavity with the outside.

Preferably, one side of the back plate is provided with a support column for supporting the LED module, and the other side of the back plate is provided with a reinforcing rib.

According to the utility model discloses an on the other hand still provides a LED box, a serial communication port, include: the LED module comprises a substrate and an LED light-emitting component positioned on one side of the substrate; the shell is used for bearing the LED module and connected with the other side of the substrate; the shell comprises a back plate and side plates, the side plates are connected with the edge of the back plate and comprise first side plates and second side plates, grooves are formed in the same sides of the first side plates and the second side plates, and the grooves of the first side plates and the grooves of the second side plates are used for forming communicated air flow channels.

Preferably, the first side plate is opposite to the second side plate, the side plates are perpendicular to the back plate, and the side plates and the back plate are designed in an integrated manner.

Preferably, the width of the groove is not more than 30 mm.

Preferably, the depth of the groove is no greater than 4 mm.

The embodiment of the utility model has following advantage or beneficial effect: the utility model provides a casing and LED box for bearing LED module, it has solved among the prior art that the long-time use of LED display screen is serious that generates heat, and heat distribution is uneven, easily produces local ageing, influences display effect scheduling problem. The utility model discloses a through set up the recess at first curb plate and second curb plate, make cavity between casing and the base plate can carry out gas exchange and flow with the outside air through the recess, make the recess inflow of cold air from the second curb plate, the recess outflow of hot-air from first curb plate, prevent that the higher air of temperature from piling up in the cavity, make whole display device's heat distribution even, partial region ageing too fast because of local high temperature leads to has been avoided, make the unable normal use's of whole display device the condition, the life of display device has been prolonged, the homogeneous and the stability of display device luminance in its whole life cycle have been guaranteed.

Furthermore, a supporting column used for supporting the substrate is further arranged on one side of the back plate of the shell to ensure the smoothness of the LED module, reinforcing ribs are arranged on the other side of the back plate to enhance the strength of the back plate, the reinforcing ribs are similar to the radiating fins in shape to enhance partial radiating capacity, and openings penetrating through the front side and the rear side of the back plate are further formed in the back plate to reduce the weight of the back plate, save the material cost and assist in radiating. The back plate and the side plates in the shell are designed in an integrated mode, the processing and the production are convenient, and the practicability is high.

Drawings

The above and other objects, features and advantages of the present invention will become more apparent from the following description of the embodiments of the present invention with reference to the accompanying drawings, in which:

FIG. 1 is a schematic cross-sectional view of a prior art LED housing;

fig. 2 is a schematic view of a housing according to an embodiment of the present invention;

fig. 3 is a top view of a housing according to an embodiment of the present invention;

fig. 4 is a schematic cross-sectional view of a housing according to an embodiment of the present invention;

fig. 5 is a schematic cross-sectional view of an LED box according to an embodiment of the present invention;

Detailed Description

Various embodiments of the present invention will be described in more detail below, but the present invention is not limited to only these embodiments. In the following detailed description of the present invention, certain specific details are set forth in detail. It will be apparent to those skilled in the art that the present invention may be practiced without these specific details. Well-known methods, procedures, and procedures have not been described in detail so as not to obscure the present invention.

The following describes in further detail embodiments of the present invention with reference to examples.

Fig. 2 shows a schematic view of a housing according to an embodiment of the present invention, as shown in fig. 2, the housing 100 includes a side plate 110 and a back plate 120, the back plate 120 is, for example, rectangular, the side plate 110 is also, for example, rectangular and elongated, the side plate 110 is perpendicular to the back plate 120 and surrounds the back plate 120, and the side plate 110 and the back plate 120 are, for example, designed as an integral body. The first side plate and the second side plate of the side plates 110 are respectively provided with a groove 111 at one side thereof connected with the LED module, and the cross section of the groove 111 is rectangular, so that one side edge of the first side plate and the second side plate is in a square wave shape with a notch.

Further, the back plate 120 is further provided with a plurality of connecting holes 121 for connection, the connecting holes 121 are, for example, linearly arranged at the edge of the back plate 120, the connecting holes 121 are, for example, used for connecting an LED box, the back plate 120 is further provided with an opening 122, the opening 122 is, for example, rectangular, and penetrates through the back plate 120, so as to reduce the weight of the back plate 120 and also assist in heat dissipation, and save material cost, the number of the openings 122 is, for example, 4, the rectangular is arrayed on the back plate 120, further, the middle area of the back plate 120 is further provided with a sliding groove 123, the sliding groove 123 is, for example, a oval through hole, and is used for connecting with a support frame of the housing 100, so that the housing 100 can move up and down relative to the support frame, thereby achieving up. One side of the back plate 120 facing the LED box is further provided with a support column 124, and the support column 124 is used for supporting a substrate in the LED box, so as to ensure the smoothness of the substrate, and further make the illumination intensity generated by the LED light emitting assembly on the substrate more uniform.

Fig. 3 shows a top view of the housing according to an embodiment of the present invention, in which the positions of the groove 111 of the first side plate and the groove 111 of the second side plate correspond to each other in the side plate 110, so that the external gas can smoothly enter from the groove 111 of the second side plate through the whole housing, and flow out from the groove 111 of the first side plate to take away the heat flowing through the region.

Fig. 4 shows a schematic cross-sectional view of the housing according to an embodiment of the present invention, an edge of the back plate 120 is connected to a middle portion of one side of the side plate 110, a cross-section of the back plate 120 connected to the side plate 110 is T-shaped, a thickness of the back plate 120 is the same as that of the side plate 110, for example, a support column 124 is disposed on one side of the back plate 120, the support column 124 is located in the middle of the back plate, for example, the height of the support column 124 makes a top surface of the support column flush with one side of the side plate 110, and the support column and the side plate 110 together provide a. One side of the side plate 110 is provided with a groove 111, so that after the housing 100 is connected with the LED module, a cavity between the two is communicated with the outside through the groove 111, thereby improving the heat dissipation capability thereof. The other side of the back plate 120 is also provided with a reinforcing rib 125, the reinforcing rib 125 is also located in the middle of the back plate 120, for example, the end surface of the reinforcing rib 125 is flush with the other side of the side plate 110, and the reinforcing rib 125 can be arranged in a pattern similar to a heat dissipation fin to further enhance the heat dissipation capability thereof; the back plate 120 is further provided with openings 122, and the openings 122 penetrate through the front side and the rear side of the back plate 120, so that the weight of the back plate 120 is reduced, heat dissipation can be assisted, and material cost is saved.

Fig. 5 shows a schematic cross-sectional view of an LED box of the present invention, in the figure, the LED module 200 is connected to the housing 100, specifically, the LED module 200 includes a substrate 210 and an LED light emitting assembly 220, the LED light emitting assembly 220 is disposed on one side of the substrate 210, the other side of the substrate 210 is connected to one side of the side plate 110 in the heat dissipation module 100 in the edge region, the first side plate and the second side plate in one side of the side plate 110 connected to the substrate 210 are both provided with a groove 111, so that the air with lower temperature can be as shown by the arrow in the figure, enter the cavity surrounded by the back plate 120, the side plate 110 and the substrate 210 from the groove 111 below, the air with higher temperature in the cavity can flow out from the groove 111 of the first side plate, so that the air in the cavity can mutually circulate with the outside air, better perform heat exchange, and enhance the heat. The backplate 120 is also provided with support posts 124, the support posts 124 providing support for the middle of the substrate 210, for example.

To sum up, the embodiment of the utility model has following advantage or beneficial effect: the utility model provides a casing and LED box, it has solved among the prior art LED display and has used for a long time to generate heat seriously, and the heat distributes unevenly, easily produces local ageing, influences display effect scheduling problem. The utility model discloses a through set up the recess at first curb plate and second curb plate, make cavity between casing and the base plate can carry out gas exchange and flow with the outside air through the recess, make the recess inflow of cold air from the second curb plate, the recess outflow of hot-air from first curb plate, prevent that the higher air of temperature from piling up in the cavity, make whole display device's heat distribution even, partial region ageing too fast because of local high temperature leads to has been avoided, make the unable normal use's of whole display device the condition, the life of display device has been prolonged, the homogeneous and the stability of display device luminance in its whole life cycle have been guaranteed.

Furthermore, a supporting column used for supporting the substrate is further arranged on one side of the back plate of the shell to ensure the smoothness of the LED module, reinforcing ribs are arranged on the other side of the back plate to enhance the strength of the back plate, the reinforcing ribs are similar to the radiating fins in shape to enhance partial radiating capacity, and openings penetrating through the front side and the rear side of the back plate are further formed in the back plate to reduce the weight of the back plate and save material cost. The back plate and the side plates in the shell are designed in an integrated mode, the processing and the production are convenient, and the practicability is high.

It should be noted that, in this document, relational terms such as one and two, a and B, above and below, and the like are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

In accordance with the embodiments of the present invention, as described above, the drawings are not drawn to scale in order to highlight the details of the technical solution of the present invention, the proportions and dimensions shown in the drawings should not limit the essential technical solution of the present invention, and the embodiments do not describe all the details in detail, nor limit the present invention to the specific embodiments described.

Claims

1. A shell for bearing LED module, characterized by, includes:

a back plate;

the side plates are connected with the edges of the back plate and comprise a first side plate and a second side plate;

the grooves are formed in the same side of the first side plate and the second side plate, and the grooves of the first side plate and the grooves of the second side plate are used for forming communicated airflow channels.

2. The housing of claim 1, wherein the side plate is perpendicular to the back plate, and the side plate and the back plate are integrally formed.

3. The housing of claim 1, wherein the plurality of grooves are equally spaced, and the grooves of the first side plate correspond to the grooves of the second side plate.

4. The housing of claim 1, wherein the groove is any one of rectangular, rounded rectangular, trapezoidal, rounded trapezoidal, semicircular, semi-elliptical, and arc.

5. The housing of claim 1, wherein the width of the groove is no greater than 30 mm.

6. The housing of claim 1, wherein the depth of the groove is no greater than 4 mm.

7. The housing of claim 1, wherein the back plate is provided with a connecting hole and a sliding groove, the sliding groove is used for connecting with a bracket, so that the relative position of the housing and the bracket can be adjusted.

8. The housing of claim 1, wherein the back plate and the side plates define a cavity, the back plate further comprising at least one opening connecting the cavity to the outside.

9. The shell of claim 1, wherein one side of the back plate is provided with a support column for supporting the LED module, and the other side of the back plate is provided with a reinforcing rib.

10. An LED box, its characterized in that includes:

the LED module comprises a substrate and an LED light-emitting component positioned on one side of the substrate;

the shell is used for bearing the LED module and connected with the other side of the substrate;

the shell comprises a back plate and side plates, the side plates are connected with the edge of the back plate and comprise first side plates and second side plates, grooves are formed in the same sides of the first side plates and the second side plates, and the grooves of the first side plates and the grooves of the second side plates are used for forming communicated air flow channels.

11. The LED cabinet of claim 10, wherein the first side panel is opposite to the second side panel, the side panels are perpendicular to the back panel, and the side panels and the back panel are integrally formed.

12. The LED cabinet of claim 10, wherein the plurality of grooves are equally spaced, and the grooves of the first side plate correspond to the grooves of the second side plate.

13. The LED cabinet of claim 10, wherein the groove is any one of rectangular, rounded rectangular, trapezoidal, rounded trapezoidal, semicircular, semi-elliptical, semi-circular, and arc-shaped.

14. The LED cabinet of claim 10, wherein the width of the groove is no greater than 30 mm.

15. The LED cabinet of claim 10, wherein the depth of the groove is no greater than 4 mm.

16. The LED cabinet of claim 10, wherein the back plate is provided with a connecting hole and a sliding groove, and the sliding groove is used for connecting with a bracket, so that the relative position of the shell and the bracket can be adjusted.

17. The LED cabinet of claim 10, wherein the back panel and the side panels enclose a cavity, and the back panel further comprises at least one opening connecting the cavity to the outside.

18. The LED box body of claim 10, wherein one side of the back plate is provided with a support column for supporting the LED module, and the other side of the back plate is provided with a reinforcing rib.