Split mounting type LED display module

Abstract

The utility model relates to a split mounting type light-emitting diode (LED) display module, which comprises a plurality of module units, a connecting plate and a power supply box, the plurality of module units are simultaneously connected to the front side of the connecting plate, the power supply box is connected to the rear side of the connecting plate, and the power supply box is simultaneously connected with the plurality of module units. Each module unit comprises a lamp panel, a heat dissipation plate and a bottom shell, a plurality of LED light sources are arranged at the front end of the lamp panel, the heat dissipation plate is attached to the back face of the lamp panel, the bottom shell covers the back face of the heat dissipation plate, an assembly groove is formed in the back face of the bottom shell, heat dissipation fins are arranged in the assembly groove, and the heat dissipation fins are arranged in the assembly groove. A plurality of radiating fin penetrating holes are formed in the radiating fin, bottom shell penetrating holes are formed in the assembling groove and correspond to the radiating fin penetrating holes, the bottom shell penetrating holes and the radiating fin penetrating holes are in one-to-one correspondence and are communicated, and the radiating guide columns are inserted into the bottom shell penetrating holes and the radiating fin penetrating holes in a one-to-one correspondence mode.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of LED display module, especially a kind of LED display module comprising several module units, connecting plate and power box, wherein, heat dissipation guide column is provided in module unit. BACKGROUND

[0002] LED module is that a certain number of light emitting diode is arranged together again encapsulation, plus some waterproof treatment product is LED module. LED module is the product of LED product and is applied widely, there is big difference in structure and electronics, simply is with the circuit board and shell of LED becomes an LED module, complex adds some control, constant current source and relevant heat dissipation processing makes LED life and luminous intensity better. LED module is mainly used to show advertisement font (acrylic, vacuum forming) and the night effect of identification, it uses text or identification as medium, is installed in building top or wall surface, can show identification daytime effect, and can use LED as light source, shows another effect in night, and with LED lighting application control system, dynamic video control is carried out to text or identification. The structure of the LED module that currently appears is that lamp plate is directly connected on shell, although its integration is higher and waterproof effect is better, but its heat dissipation performance often cannot reach best, and this is the main shortcoming of prior art. CONTENT OF UTILITY MODEL

[0003] The utility model adopts the technical scheme that a kind of assembled LED display module, it includes several module units, connecting plate and power box, wherein, several the module unit is connected in the front side of the connecting plate simultaneously, the power box is connected in the rear side of the connecting plate, the power box is connected with several the module unit simultaneously, every the module unit includes lamp plate, heat dissipation plate and bottom shell, wherein, the front end of the lamp plate is provided with several LED light sources, the heat dissipation plate is pasted on the back of the lamp plate, the heat dissipation plate has heat dissipation plate front and heat dissipation plate back, the back of the lamp plate is pasted on the heat dissipation plate front, several control IC of the module unit is set on the heat dissipation plate front simultaneously, several the control IC is connected with the lamp plate, the bottom shell cover is set on the heat dissipation plate back, the bottom shell back of the bottom shell is provided with assembly slot, the assembly slot is provided with fin, several fin perforations are set on the fin, corresponding with the fin perforation, bottom shell perforation is set in the assembly slot, the bottom shell perforation is one-to-one correspondence and communicates with the fin perforation, heat dissipation guide column is inserted in the bottom shell perforation and the fin perforation one-to-one, the heat dissipation guide column includes front contact part and rear contact part, wherein, the front contact part is pressed on the heat dissipation plate back of the heat dissipation plate, the rear contact part is connected in the fin.

[0004] The utility model discloses beneficial effect for: the utility model discloses when working, the heat that this light board and several this control IC work produces is conducted into the heat dissipation board first, and then, its heat is conducted into the radiating fin directly through the heat dissipation guide column, because the radiating fin is exposed in the module outside, can be through the radiating fin to the heat that the module works produces efficient heat dissipation outward, thereby improving the overall heat dissipation efficiency of module. BRIEF DESCRIPTION OF DRAWINGS

[0005] Fig. 1 It is the exploded view of the utility model.

[0006] Fig. 2 It is the exploded view of the back of module unit of the utility model.

[0007] Fig. 3 It is the exploded view of the front of module unit of the utility model. DETAILED DESCRIPTION

[0008] As Figs. 1 to 3 Shown, a kind of assembled LED display module, it includes several module units 1, connecting plate 2 and power supply box 3, wherein, several the module unit 1 is simultaneously connected in the connecting plate 2 front side, the power supply box 3 is connected in the connecting plate 2 rear side, the power supply box 3 is simultaneously connected with several the module unit 1, when using, the connecting plate 2 is used to integrate several the module unit 1 and assemble together, the power supply box 3 provides power and control signal supply for several the module unit 1.

[0009] In specific implementation, the connecting plate 2 is provided with several opening windows 4, the opening window 4 is one-to-one with the module unit 1, in specific implementation, the connecting plate 2 is steel plate.

[0010] Every the module unit 1 includes light board 10, heat dissipation plate 20 and bottom shell 30, wherein, the light board 10 front end is provided with several LED light sources, the heat dissipation plate 20 is attached on the back of the light board 10, the heat dissipation plate 20 has heat dissipation plate front face 21 and heat dissipation plate back face 22, the back of the light board 10 is attached on the heat dissipation plate front face 21, several control IC 11 of the module unit 1 is simultaneously arranged on the heat dissipation plate front face 21, and several the control IC 11 is connected with the light board 10.

[0011] In specific implementation, the heat dissipation plate front face 21 is provided with heat-conducting adhesive layer, the back of the light board 10 is attached on the heat-conducting adhesive layer, and several the control IC 11 is embedded in the heat-conducting adhesive layer, and the heat-conducting adhesive layer can be made of resin, silica gel and other heat-conducting adhesive materials.

[0012] The bottom shell 30 is covered on the back surface 22 of the heat dissipation plate, and the bottom shell back surface 31 of the bottom shell 30 is provided with an assembly groove 32, and the assembly groove 32 is provided with a heat dissipation fin 40.

[0013] The heat dissipation fin 40 is provided with a plurality of heat dissipation fin perforations 41, and corresponding to the heat dissipation fin perforations 41, the assembly groove 32 is provided with a bottom shell perforation 42, which corresponds to and communicates with the heat dissipation fin perforation 41, and a heat dissipation guide column 50 is correspondingly inserted into the bottom shell perforation 42 and the heat dissipation fin perforation 41.

[0014] The heat dissipation guide column 50 includes a front contact portion 51 and a rear contact portion 52, wherein the front contact portion 51 is pressed on the back surface 22 of the heat dissipation plate 20, and the rear contact portion 52 is connected in the heat dissipation fin 40. When working, the heat generated by the lamp plate 10 and the control IC 11 is first conducted to the heat dissipation plate 20, and then the heat is directly conducted to the heat dissipation fin 40 through the heat dissipation guide column 50. Since the heat dissipation fin 40 is exposed outside the module, the heat generated by the module can be efficiently dissipated to the outside through the heat dissipation fin 40, thereby improving the overall heat dissipation efficiency of the module.

[0015] In specific implementation, the heat dissipation fin 40 is provided with a plurality of heat dissipation ribs 43, and in specific implementation, the heat dissipation guide column 50 is a copper bolt which can realize heat conduction and also can fix the heat dissipation fin 40 on the bottom shell 30.

Claims

1. An assembled LED display module, characterized in that: The application relates to a modular unit, a connecting plate and a power supply box, wherein the modular units are connected to the front side of the connecting plate, the power supply box is connected to the rear side of the connecting plate, and the power supply box is connected to the modular units, Each modular unit comprises a lamp plate, a heat dissipation plate and a bottom shell, wherein the front end of the lamp plate is provided with a plurality of LED light sources, the heat dissipation plate is attached to the back of the lamp plate, the heat dissipation plate has a front surface and a back surface, the back of the lamp plate is attached to the front surface of the heat dissipation plate, a plurality of control ICs of the modular unit are arranged on the front surface of the heat dissipation plate, and the control ICs are connected to the lamp plate, The bottom shell is arranged on the back surface of the heat dissipation plate, the back surface of the bottom shell is provided with an assembly groove, and the assembly groove is provided with a heat dissipation fin, A plurality of heat dissipation fin perforations are arranged on the heat dissipation fin, a bottom shell perforation is arranged in the assembly groove in correspondence with the heat dissipation fin perforation, the bottom shell perforation and the heat dissipation fin perforation are one-to-one corresponding and communicated, a heat dissipation guide column is one-to-one inserted into the bottom shell perforation and the heat dissipation fin perforation, and the heat dissipation guide column comprises a front contact part and a rear contact part, wherein the front contact part is pressed on the back surface of the heat dissipation plate, and the rear contact part is connected to the heat dissipation fin. 2.The assembled LED display module of claim 1, wherein: The heat dissipation fin is provided with a plurality of heat dissipation ribs. 3.The assembled LED display module of claim 1, wherein: The heat dissipation guide column is a copper bolt. 4.The assembled LED display module of claim 1, wherein: The connecting plate is provided with a plurality of open windows, and the open windows correspond to the modular units. 5.The assembled LED display module of claim 1, wherein: The connecting plate is a steel plate. 6.The assembled LED display module of claim 1, wherein: The front surface of the heat dissipation plate is provided with a heat conduction glue layer, the back of the lamp plate is attached to the heat conduction glue layer, and the control ICs are embedded in the heat conduction glue layer. 7.The assembled LED display module of claim 6, wherein: The control ICs are embedded in the heat conduction glue layer.

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