Control box and LED display device with same

Abstract

The utility model provides a control box and a light-emitting diode (LED) display device with the same, the control box comprises a box body, the box body is provided with a containing cavity, the box body comprises a box seat and a box cover which are detachably connected, the box seat comprises a bottom plate, a first side plate and a second side plate, one side of the first side plate is connected with the first side of the bottom plate, and one side of the second side plate is connected with the second side of the bottom plate; the power supply part is arranged on the bottom plate and is positioned in the accommodating cavity; wherein the box cover comprises a top plate and a first positioning folding lug which is arranged on the first side edge of the top plate and extends towards the bottom plate and / or a second positioning folding lug which is arranged on the second side edge of the top plate and extends towards the bottom plate, and a first positioning structure is arranged between the first positioning folding lug and the first side plate; and a second positioning structure is arranged between the second positioning folding lug and the second side plate. Through the technical scheme provided by the invention, the problem of low assembly efficiency of the control box in related technologies can be solved.

Description

Technical Field

[0001] The utility model relates to the technical field of LED display devices, in particular to a control box and an LED display device having the same. Background Art

[0002] The display control box is an important part of the display drive system. It is responsible for controlling the power supply of the drive circuit, that is, the opening and closing of the switch tube, as well as the switching power supply when lighting up to provide sufficient driving voltage and keep the output current stable when the circuit is working. The switching power supply controls the switch tube through the circuit to perform high-speed opening and closing.

[0003] In the related art, the control box needs to be fixed and assembled using screws.

[0004] However, the assembly efficiency of the control box in the related art is low. Utility Model Content

[0005] The utility model provides a control box and an LED display device having the same, so as to solve the problem of low assembly efficiency of the control box in the related art.

[0006] According to one aspect of the utility model, a control box for an LED display device is provided, the control box comprising: a box body having a accommodating cavity, the box body comprising a box seat and a box cover that are detachably connected, the box seat comprising a bottom plate, a first side plate and a second side plate, one side of the first side plate is connected to the first side of the bottom plate, and one side of the second side plate is connected to the second side of the bottom plate; a power supply component, arranged on the bottom plate and located in the accommodating cavity; wherein the box cover comprises a top plate and a first positioning folded ear arranged on a first side edge of the top plate and extending toward the bottom plate and / or a second positioning folded ear arranged on a second side edge of the top plate and extending toward the bottom plate, wherein a first positioning structure is arranged between the first positioning folded ear and the first side plate, and a second positioning structure is arranged between the second positioning folded ear and the second side plate.

[0007] Furthermore, the first positioning structure includes: a first positioning notch, which is arranged on one side of the first positioning fold ear and passes through the first positioning fold ear along the width direction of the top plate; a first positioning protrusion, which is arranged on the first side plate and can extend into the first positioning notch and positionally cooperate with the first positioning notch; the second positioning structure includes: a second positioning notch, which is arranged on one side of the second positioning fold ear and passes through the second positioning fold ear along the width direction of the top plate; a second positioning protrusion, which is arranged on the second side plate and can extend into the second positioning notch and positionally cooperate with the second positioning notch.

[0008] Furthermore, the box cover also includes a first end plate and a second end plate arranged at both ends of the top plate, the first end plate is located between the first side plate and the second side plate and is connected to both the first side plate and the second side plate, and the second end plate is located between the first side plate and the second side plate and is connected to both the first side plate and the second side plate.

[0009] Furthermore, the first side of the top plate protrudes outwardly from the front surface of the first positioning ear so that the first positioning ear is located on the inner side of the first side plate, and the top plate protrudes outwardly from the rear surface of the second positioning ear so that the second positioning ear is located on the inner side of the second side plate.

[0010] Further, the control box also includes a first socket and two first fasteners, the first socket is arranged on the first end plate and is electrically connected to the 220V input terminal of the power supply component, two first connecting folding ears facing each other and spaced apart are arranged on the two side edges of the first end plate, the two first connecting folding ears are both located below the first socket, one first fastener is passed through the first connecting folding ear matching with the first end plate and is connected to the first end plate, and the other first fastener is passed through the first connecting folding ear matching with the second end plate and is connected to the second end plate; and / or, the control box also includes a second socket and two second fasteners, the second socket is arranged on the second end plate and is electrically connected to the 220V input terminal of the power supply component, two second connecting folding ears facing each other and spaced apart are arranged on the two side edges of the second end plate, the two second connecting folding ears are both located below the second socket, one second fastener is passed through the second connecting folding ear matching with the first end plate and is connected to the first end plate, and the other second fastener is passed through the second connecting folding ear matching with the second end plate and is connected to the second end plate.

[0011] Furthermore, there is a clearance gap between the second end plate and the bottom plate for avoiding the output end of the power supply component.

[0012] Furthermore, the control box also includes a control component arranged in the accommodating cavity and located on the upper side of the power supply component, and the 5V output terminal of the power supply component is electrically connected to the power input terminal of the control component.

[0013] Furthermore, the control box also includes a mounting frame arranged between the control component and the power supply component, the mounting frame is connected to the box seat, and the control component is connected to the mounting frame.

[0014] Furthermore, the mounting frame includes at least two mounting beams spaced apart in the length direction of the box seat, both ends of the mounting beams are respectively connected to the first side plate and the second side plate, and a heat dissipation gap is provided between the mounting beams and the power supply component in the direction from the bottom plate to the top plate.

[0015] Furthermore, the box cover also includes a first end plate and a second end plate arranged at both ends of the top plate, the top plate is provided with a first avoidance opening for avoiding the signal output interface of the control component, and the first end plate is provided with a second avoidance opening for avoiding the signal input interface of the control component.

[0016] According to another aspect of the utility model, an LED display device is provided, which includes: a box body; an LED display module, which is arranged on the front side of the box body; a control box, which is arranged on the box body, and the power supply of the control box is electrically connected to the display module, and the control box is the control box provided above.

[0017] By applying the technical solution of the utility model, the control box includes a box body and a power supply component. By placing the power supply component in the accommodating cavity of the box body, and because the box body includes a detachably connected box seat and a box cover, it is convenient to repair the power supply component in the accommodating cavity by disassembling the box seat and the box cover. When assembling the box seat and the box cover, a first positioning structure arranged between the first positioning folded ear and the first side plate and a second positioning structure arranged between the second positioning folded ear and the second side plate are utilized. By buckling the box cover on top of the box seat, the two can be quickly positioned, thereby improving the assembly efficiency of the control box. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The drawings constituting part of the present application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0019] Figure 1 An exploded view of a control box provided by an embodiment of the utility model is shown;

[0020] Figure 2 A schematic diagram of the structure of a control box provided by an embodiment of the utility model is shown;

[0021] Figure 3 A side view of a control box provided by an embodiment of the utility model is shown;

[0022] Figure 4 A schematic diagram showing the structure of a box seat of a control box provided in an embodiment of the utility model is shown;

[0023] Figure 5 A schematic structural diagram of a box cover of a control box provided in an embodiment of the utility model is shown.

[0024] The above drawings include the following reference numerals:

[0025] 10. Box body; 11. Accommodating cavity; 12. Box seat; 121. Bottom plate; 122. First side plate; 123. Second side plate; 13. Box cover; 131. Top plate; 1311. First avoidance opening; 132. First positioning folding ear; 133. Second positioning folding ear; 134. First end plate; 1341. First connecting folding ear; 1342. Second avoidance opening; 135. Second end plate; 1351. Second connecting folding ear;

[0026] 20. Power supply;

[0027] 30. first positioning structure; 31. first positioning notch; 32. first positioning protrusion;

[0028] 40. second positioning structure; 41. second positioning notch;

[0029] 51. First socket; 52. Second socket; 53. Avoidance interval;

[0030] 60. Control parts;

[0031] 70. Mounting frame; 71. Mounting beam. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and is by no means a limitation on the utility model and its application or use. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0033] like Figures 1 to 5 As shown, the embodiment of the utility model provides a control box of an LED display device, the control box includes a box body 10 and a power supply 20, the box body 10 has a receiving cavity 11, the box body 10 includes a box seat 12 and a box cover 13 that are detachably connected, the box seat 12 includes a bottom plate 121, a first side plate 122 and a second side plate 123, one side of the first side plate 122 is connected to the first side of the bottom plate 121, one side of the second side plate 123 is connected to the second side of the bottom plate 121, and the power supply 20 is provided with the bottom plate 121. 1 and is located in the accommodating cavity 11, wherein the box cover 13 includes a top plate 131 and a first positioning folded ear 132 arranged on a first side edge of the top plate 131 and extending toward the bottom plate 121 and / or a second positioning folded ear 133 arranged on a second side edge of the top plate 131 and extending toward the bottom plate 121, wherein a first positioning structure 30 is arranged between the first positioning folded ear 132 and the first side plate 122, and a second positioning structure 40 is arranged between the second positioning folded ear 133 and the second side plate 123.

[0034] The control box provided in this embodiment is applied, and the power supply component 20 is placed in the accommodating cavity 11 of the box body 10. Since the box body 10 includes a detachably connected box seat 12 and a box cover 13, it is convenient to repair the power supply component 20 in the accommodating cavity 11 by disassembling the box seat 12 and the box cover 13. When assembling the box seat 12 and the box cover 13, the first positioning structure 30 arranged between the first positioning fold ear 132 and the first side plate 122 and the second positioning structure 40 arranged between the second positioning fold ear 133 and the second side plate 123 are utilized. By buckling the box cover 13 on top of the box seat 12, the two can be quickly positioned, thereby improving the assembly efficiency of the control box.

[0035] like Figure 1 , Figure 4 and Figure 5 As shown, the first positioning structure 30 includes a first positioning notch 31 and a first positioning protrusion 32. The first positioning notch 31 is arranged on one side of the first positioning folded ear 132 and penetrates the first positioning folded ear 132 along the width direction of the top plate 131. The first positioning protrusion 32 is arranged on the first side plate and can extend into the first positioning notch 31 and positionally cooperate with the first positioning notch 31. The second positioning structure 40 includes a second positioning notch 41 and a second positioning protrusion. The second positioning notch 41 is arranged on one side of the second positioning folded ear 133 and penetrates the second positioning folded ear 133 along the width direction of the top plate 131. The second positioning protrusion is arranged on the second side plate and can extend into the second positioning notch 41 and positionally cooperate with the second positioning notch 41. When assembling the box base 12 and the box cover 13, the box cover 13 is buckled on the top of the box base 12 and slid relative to the box base 12, so that the first positioning protrusion 32 extends into the first positioning notch 31 and is positioned and matched with the first positioning notch 31, and the second positioning protrusion extends into the second positioning notch 41 and is positioned and matched with the second positioning notch 41, thereby realizing rapid positioning of the box base 12 and the box cover 13.

[0036] like Figure 1 As shown, the box cover 13 further includes a first end plate 134 and a second end plate 135 disposed at both ends of the top plate 131, the first end plate 134 is located between the first side plate 122 and the second side plate 123 and connected to both the first side plate 122 and the second side plate 123, and the second end plate 135 is located between the first side plate 122 and the second side plate 123 and connected to both the first side plate 122 and the second side plate 123. It is convenient to slide the box cover 13 relative to the box seat 12, and the first side plate 122, the second side plate 123, the first end plate 134 and the second end plate 135 can be used to enclose the accommodating cavity 11.

[0037] like Figure 1As shown, the first side of the top plate 131 protrudes outward from the front surface of the first positioning folded ear 132, so that the first positioning folded ear 132 is located on the inner side of the first side plate 122, and the top plate 131 protrudes outward from the rear surface of the second positioning folded ear 133, so that the second positioning folded ear 133 is located on the inner side of the second side plate 123. The top plate 131 is laid on the upper ends of the first side plate 122 and the second side plate 123, which facilitates the rapid assembly of the box base 12 and the box cover 13.

[0038] like Figure 1 As shown, the control box also includes a first socket 51 and two first fasteners. The first socket 51 is arranged on the first end plate 134 and is electrically connected to the 220V input terminal of the power supply 20. Two first connecting ears 1341 facing each other and spaced apart are arranged on the two side edges of the first end plate 134. The two first connecting ears 1341 are both located below the first socket 51. One first fastener is passed through the first connecting ear 1341 that cooperates with the first end plate 134 and is connected to the first end plate 134. The other first fastener is passed through the first connecting ear 1341 that cooperates with the second end plate 135 and is connected to the second end plate 135. The control box also includes a second socket 52 and two second fasteners. The second socket 52 is arranged on the second end plate 135 and is electrically connected to the 220V input terminal of the power supply 20. Two second connection folding ears 1351 facing each other and arranged at intervals are arranged on the two sides of the second end plate 135. The two second connection folding ears 1351 are both located below the second socket 52. One second fastener is passed through the second connection folding ear 1351 matched with the first end plate 134 and connected to the first end plate 134. The other second fastener is passed through the second connection folding ear 1351 matched with the second end plate 135 and connected to the second end plate 135. By providing the first connection folding ear 1341 and the second connection folding ear 1351, the reliability of the first end plate 134 and the second end plate 135 can be improved when the first socket 51 and the second socket 52 are plugged in and out.

[0039] In this embodiment, the control box is made of sheet metal technology, which is simple to process, low in cost, and can be mass-produced by mold.

[0040] like Figure 3 As shown, there is an avoidance gap 53 between the second end plate 135 and the bottom plate 121 for avoiding the output end of the power supply component 20 , which is convenient for lead-in and can effectively reduce the heat of the power supply component 20 .

[0041] like Figure 1As shown, the control box further includes a control component 60 disposed in the accommodating cavity 11 and located on the upper side of the power supply component 20, and the 5V output terminal of the power supply component 20 is electrically connected to the power input terminal of the control component 60. The power supply component 20 and the control component 60 are integrated into one control box, which reduces wiring and standardizes wiring, reduces exposure to safety issues, and the power supply component 20 uses a conventional power supply, and the control component 60 uses a conventional receiving card, and can use a conventional flat cable and a conventional 5V line to connect the LED display module, which is suitable for the mass market and can be used in large quantities.

[0042] like Figure 1 As shown, the control box further includes a mounting frame 70 disposed between the control element 60 and the power supply element 20, the mounting frame 70 is connected to the box seat 12, and the control element 60 is connected to the mounting frame 70. The mounting frame 70 is used to support the control element 60.

[0043] like Figure 1 As shown, the mounting frame 70 includes at least two mounting beams 71 spaced apart in the length direction of the box seat 12, and both ends of the mounting beam 71 are respectively connected to the first side plate 122 and the second side plate 123. There is a heat dissipation gap between the mounting beam 71 and the power supply component 20 in the direction from the bottom plate 121 to the top plate 131, which can effectively reduce the influence of the heat of the power supply component 20 on the control component 60.

[0044] like Figure 1 As shown, the box cover 13 also includes a first end plate 134 and a second end plate 135 arranged at both ends of the top plate 131. The top plate 131 is provided with a first avoidance opening 1311 for avoiding the signal output interface of the control component 60, and the first end plate 134 is provided with a second avoidance opening 1342 for avoiding the signal input interface of the control component 60. By providing the first avoidance opening 1311 and the second avoidance opening 1342, the signal output interface and the signal input interface of the control component 60 can be exposed. When installing the LED large screen and debugging the R&D samples, the control box is powered by a conventional 'pin' plug line through the first socket 51 and the second socket 52, and connected to the input end of the control component by a conventional network cable. The interconnection between the control boxes can also use conventional double-pin power cables and conventional network cables.

[0045] Another embodiment of the utility model provides an LED display device, which includes a box body, an LED display module and a control box, wherein the LED display module is arranged at the front side of the box body, the control box is arranged on the box body, the power supply 20 of the control box is electrically connected to the display module, and the control box is the control box provided above. By placing the power supply 20 in the accommodating cavity 11 of the box body 10, since the box body 10 includes a detachably connected box seat 12 and a box cover 13, it is convenient to repair the power supply 20 in the accommodating cavity 11 by disassembling the box seat 12 and the box cover 13. When assembling the box seat 12 and the box cover 13, by using the first positioning structure 30 arranged between the first positioning folding ear 132 and the first side plate 122 and the second positioning structure 40 arranged between the second positioning folding ear 133 and the second side plate 123, the box cover 13 can be buckled on the top of the box seat 12 to achieve rapid positioning of the two, thereby improving the assembly efficiency of the control box.

[0046] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A control box for an LED display device, characterized in that: The control box comprises: A box body (10) has a containing cavity (11), the box body (10) comprises a box seat (12) and a box cover (13) which are detachably connected, the box seat (12) comprises a bottom plate (121), a first side plate (122) and a second side plate (123), one side of the first side plate (122) is connected to a first side of the bottom plate (121), and one side of the second side plate (123) is connected to a second side of the bottom plate (121); A power supply unit (20) is arranged on the bottom plate (121) and is located in the accommodating cavity (11); The box cover (13) comprises a top plate (131) and a first positioning folded ear (132) arranged on a first side edge of the top plate (131) and extending toward the bottom plate (121) and / or a second positioning folded ear (133) arranged on a second side edge of the top plate (131) and extending toward the bottom plate (121), wherein a first positioning structure (30) is arranged between the first positioning folded ear (132) and the first side plate (122), and a second positioning structure (40) is arranged between the second positioning folded ear (133) and the second side plate (123).

2. The control box according to claim 1, characterized in that: The first positioning structure (30) comprises: A first positioning notch (31) is provided on one side of the first positioning folded ear (132) and penetrates the first positioning folded ear (132) along the width direction of the top plate (131); A first positioning protrusion (32) is provided on the first side plate and is capable of extending into the first positioning notch (31) and being positioned and matched with the first positioning notch (31); The second positioning structure (40) comprises: A second positioning notch (41) is provided on one side of the second positioning folded ear (133) and penetrates the second positioning folded ear (133) along the width direction of the top plate (131); A second positioning protrusion is provided on the second side plate and is capable of extending into the second positioning notch (41) and being positioned and matched with the second positioning notch (41).

3. The control box according to claim 1, characterized in that: The box cover (13) further comprises a first end plate (134) and a second end plate (135) arranged at both ends of the top plate (131), wherein the first end plate (134) is located between the first side plate (122) and the second side plate (123) and is connected to both the first side plate (122) and the second side plate (123), and the second end plate (135) is located between the first side plate (122) and the second side plate (123) and is connected to both the first side plate (122) and the second side plate (123).

4. The control box according to claim 3, characterized in that: The first side of the top plate (131) protrudes outward from the front surface of the first positioning folded ear (132) so that the first positioning folded ear (132) is located on the inner side of the first side plate (122), and the top plate (131) protrudes outward from the rear surface of the second positioning folded ear (133) so that the second positioning folded ear (133) is located on the inner side of the second side plate (123).

5. The control box according to claim 3, characterized in that: The control box further comprises a first socket (51) and two first fasteners, wherein the first socket (51) is arranged on the first end plate (134) and is electrically connected to the 220V input terminal of the power supply unit (20), two first connecting folding ears (1341) facing each other and spaced apart are arranged on two side edges of the first end plate (134), and the two first connecting folding ears (1341) are both located below the first socket (51), one of the first fasteners is passed through the first connecting folding ear (1341) matched with the first end plate (134) and is connected to the first end plate (134), and the other first fastener is passed through the first connecting folding ear (1341) matched with the second end plate (135) and is connected to the second end plate (135); and / or, The control box further comprises a second socket (52) and two second fasteners, wherein the second socket (52) is arranged on the second end plate (135) and is electrically connected to the 220V input terminal of the power supply (20), and two second connecting folding ears (1351) facing each other and spaced apart are arranged on two side edges of the second end plate (135), and the two second connecting folding ears (1351) are both located below the second socket (52), one second fastener is passed through the second connecting folding ear (1351) matched with the first end plate (134) and is connected to the first end plate (134), and the other second fastener is passed through the second connecting folding ear (1351) matched with the second end plate (135) and is connected to the second end plate (135).

6. The control box according to claim 3, characterized in that: There is an escape gap (53) between the second end plate (135) and the bottom plate (121) for escaping the output end of the power supply unit (20).

7. The control box according to claim 1, characterized in that: The control box further comprises a control component (60) arranged in the accommodating cavity (11) and located on the upper side of the power supply component (20), and a 5V output terminal of the power supply component (20) is electrically connected to a power input terminal of the control component (60).

8. The control box according to claim 7, characterized in that: The control box further comprises a mounting frame (70) arranged between the control component (60) and the power supply component (20); the mounting frame (70) is connected to the box seat (12); and the control component (60) is connected to the mounting frame (70).

9. The control box according to claim 8, characterized in that: The mounting frame (70) comprises at least two mounting beams (71) spaced apart in the length direction of the box seat (12); two ends of the mounting beams (71) are respectively connected to the first side plate (122) and the second side plate (123); and a heat dissipation gap is provided between the mounting beams (71) and the power supply unit (20) in the direction from the bottom plate (121) to the top plate (131).

10. The control box according to claim 7, characterized in that: The box cover (13) further comprises a first end plate (134) and a second end plate (135) arranged at two ends of the top plate (131); the top plate (131) is provided with a first avoidance opening (1311) for avoiding a signal output interface of the control component (60); and the first end plate (134) is provided with a second avoidance opening (1342) for avoiding a signal input interface of the control component (60).

11. An LED display device, characterized in that: The LED display device comprises: Box; An LED display module is arranged on the front side of the box; A control box is arranged on the box body, a power supply (20) of the control box is electrically connected to the display module, and the control box is the control box according to any one of claims 1 to 10.

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