CN221176722U - Alternating current connector and LED box with same - Google Patents

Abstract

The utility model provides an alternating current connector and an LED box body with the same, wherein the alternating current connector comprises: a housing; the conductive plate comprises a PCB substrate, the PCB substrate comprises a main plate body and a plurality of connecting plate bodies, the main plate body is arranged in the shell, the plurality of connecting plate bodies are connected to the main plate body and are arranged at intervals, each connecting plate body extends out of the shell, and conductive circuits are arranged on the main plate body and the plurality of connecting plate bodies; the first conductive terminal is positioned in the shell and is arranged at the first end of the conductive plate; the second conductive terminal is positioned in the shell and is arranged at the second end of the conductive plate; the first copper column structure is positioned in the shell and conducts the conductive circuit and the first conductive terminal; and the second copper column structure is positioned in the shell and is used for conducting the conductive circuit and the second conductive terminal. The technical scheme of the utility model can effectively solve the problem that the alternating current connector in the related technology has potential safety hazard.

Description

Alternating current connector and LED box with same

Technical Field

The utility model relates to the technical field of LED display, in particular to an alternating current connector and an LED box body with the same.

Background

In the related art, an ac connector is an important component of an LED box, which can enable the LED box to be connected with a mains supply to supply power to the LED box or to be connected with an ac connector on an adjacent LED box to enable cascading of power supplies between the LED boxes.

At present, the interior of an ac connector in the market is generally transmitted by a plurality of wires, wherein, part of the wires need to be insulated from each other, and part of the wires need to be welded together, because the wires are flexible and can deform, when the wires inside the ac connector are connected and arranged, and then the outer shell is formed outside the wires in an injection molding manner, the injection molding material may squeeze the wires to enable the wires to move, so that the conductive parts of the wires which should be insulated from each other are possibly caused to contact with each other, and potential safety hazards exist.

Disclosure of utility model

The utility model mainly aims to provide an alternating current connector and an LED box body with the same, so as to solve the problem that the alternating current connector in the related art has potential safety hazards.

In order to achieve the above object, according to one aspect of the present utility model, there is provided an alternating current connector comprising: a housing; the conductive plate comprises a PCB substrate, the PCB substrate comprises a main plate body and a plurality of connecting plate bodies, the main plate body is arranged in the shell, the plurality of connecting plate bodies are connected to the main plate body and are arranged at intervals, each connecting plate body extends out of the shell, and conductive circuits are arranged on the main plate body and the plurality of connecting plate bodies; the first conductive terminal is positioned in the shell and is arranged at the first end of the conductive plate; the second conductive terminal is positioned in the shell and is arranged at the second end of the conductive plate; the first copper column structure is positioned in the shell and conducts the conductive circuit and the first conductive terminal; and the second copper column structure is positioned in the shell and is used for conducting the conductive circuit and the second conductive terminal.

Further, a portion of each connecting plate body extending outwards from the housing is provided with a connecting through hole.

Further, the plurality of connecting plate bodies comprise a fire wire plate, a zero line plate, a first ground wire plate and a second ground wire plate, the fire wire plate, the zero line plate and the first ground wire plate are positioned on the same side of the main plate body, and the second ground wire plate is positioned on the other side of the main plate body.

Further, the conductive plate is provided with a first plate surface and a second plate surface, the conductive circuit comprises a first conductive copper layer arranged on the first plate surface and a second conductive copper layer arranged on the second plate surface, the first copper column structure is connected with the first conductive copper layer in a welded mode, the second copper column structure is connected with the second conductive copper layer in a welded mode, through holes are formed in the PCB substrate, and copper sheets are arranged in the through holes to conduct the first conductive copper layer and the second conductive copper layer.

Further, the first conductive copper layer comprises a first live wire copper layer arranged on the main board body and the live wire board, a first neutral wire copper layer arranged on the main board body and the neutral wire board, and a first ground wire copper layer arranged on the main board body, the first ground wire board and the second ground wire board; the first copper pillar structure comprises a first live wire copper pillar connected between the first live wire copper layer and a first live wire terminal of the first conductive terminal, a first neutral wire copper pillar connected between the first neutral wire copper layer and a first neutral wire terminal of the first conductive terminal, and a first ground wire copper pillar connected between the first ground wire copper layer and a first ground wire terminal of the first conductive terminal; the second conductive copper layer comprises a second live wire copper layer arranged on the main board body and the live wire board, a second zero line copper layer arranged on the main board body and the zero line board, and a second ground wire copper layer arranged on the main board body, the first ground wire board and the second ground wire board; the second copper pillar structure includes a second live wire copper pillar connected between the second live wire copper layer and the second live wire terminal of the second conductive terminal, a second neutral wire copper pillar connected between the second neutral wire copper layer and the second neutral wire terminal of the second conductive terminal, and a second ground wire copper pillar connected between the second ground wire copper layer and the second ground wire terminal of the second conductive terminal.

Further, the shell is of an integral injection molding structure; the shell comprises a main body section and two connecting sections arranged at two ends of the main body section, each connecting section comprises a plugging panel and a blocking edge which is arranged on the periphery of the plugging panel in a surrounding manner and extends towards the direction far away from the main body section, and plugging holes are formed in the plugging panel.

Further, the first conductive terminal comprises a first support column and a first neutral wire terminal, a first live wire terminal and a first ground wire terminal which are arranged in the first support column in a penetrating mode, the second conductive terminal comprises a second support column and a second neutral wire terminal, a second live wire terminal and a second ground wire terminal which are arranged in the second support column in a penetrating mode, projection of the first ground wire terminal on a preset cross section of the shell corresponds to projection of the second ground wire terminal on the preset cross section, projection of the first neutral wire terminal on the preset cross section corresponds to projection of the second live wire terminal on the preset cross section, and projection of the first live wire terminal on the preset cross section corresponds to projection of the second neutral wire terminal on the preset cross section.

Further, the shell comprises a main body section and a supporting cylinder which is arranged on the side part of the main body section and is arranged on the peripheries of the live wire plate, the zero wire plate and the first ground wire plate in a surrounding mode, and a marking part is arranged on the supporting cylinder; and/or, the first copper pillar structure comprises a plurality of first copper pillars, the second copper pillar structure comprises a plurality of second copper pillars, the first conductive copper layer comprises a plurality of first sub-copper layers arranged at intervals, the second conductive copper layer comprises a plurality of second sub-copper layers arranged at intervals, and the cross-sectional areas of the first copper pillars, the second copper pillars, the first sub-copper layers and the second sub-copper layers are between 2mm ² and 2.5mm ².

According to another aspect of the utility model, an LED box is provided, which comprises an ac connector, wherein the ac connector is the ac connector described above.

According to another aspect of the utility model, there is provided an LED housing comprising a housing bottom shell and an ac connector disposed in the housing bottom shell, wherein the ac connector is the ac connector described above, and the ac connector is connected to the housing bottom shell by a conductive fastener penetrating through the second ground plate and the housing bottom shell, and the housing bottom shell is made of a conductive material.

By applying the technical scheme of the utility model, the alternating current connector comprises a conductive plate, a first conductive terminal, a second conductive terminal, a first copper column structure, a second copper column structure and a shell coated on the outer sides of the structures. One of the first conductive terminal and the second conductive terminal is a total input end connected with the mains supply or connected with a last LED box body, the other one is a total output end connected with a next LED box body, a plurality of connecting plate bodies on the conductive plate are branch output ends connected with an AC-DC power module inside the LED box body, the first conductive terminal is communicated with a conductive circuit on the conductive plate through a first copper column structure, the second conductive terminal is communicated with the conductive circuit on the conductive plate through a second copper column structure, and an electric energy transmission path from the total input end to the total output end and the branch output end is formed. Therefore, the technical scheme of the utility model can effectively solve the problem that the alternating current connector in the related technology has potential safety hazard.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

Fig. 1 shows a schematic perspective view of an embodiment of an ac electrical connector according to the present utility model;

fig. 2 shows an exploded schematic view of the ac electrical connector of fig. 1;

Fig. 3 shows a schematic perspective view of the conductive plate of the ac connector of fig. 1.

Wherein the above figures include the following reference numerals:

10. A housing; 11. a main body section; 12. a connection section; 121. a plug panel; 122. a blocking edge; 13. a support cylinder;

20. A conductive plate; 21. a PCB substrate; 211. a main board body; 212. a connecting plate body; 2121. a fire wire plate; 2122. a zero line plate; 2123. a first ground plate; 2124. a second ground plate; 213. a connecting through hole; 214. a through hole; 22. a conductive circuit; 221. a first conductive copper layer; 2211. a first live wire copper layer; 2212. a first zero line copper layer; 2213. a first ground copper layer;

30. A first conductive terminal; 31. a first live wire terminal; 32. a first neutral terminal; 33. a first ground terminal; 34. a first support column;

40. a second conductive terminal; 41. a second live terminal; 42. a second neutral terminal; 43. a second ground terminal; 44. and a second support column.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1 to 3, the present application provides an ac connector, an embodiment of which includes: the electronic device includes a housing 10, a conductive plate 20, a first conductive terminal 30, a second conductive terminal 40, a first copper pillar structure, and a second copper pillar structure. Wherein, the conductive plate 20 comprises a PCB substrate 21, the PCB substrate 21 comprises a main board body 211 and a plurality of connection board bodies 212, the main board body 211 is arranged in the housing 10, the plurality of connection board bodies 212 are connected on the main board body 211 and are arranged at intervals, each connection board body 212 extends out of the housing 10, and the main board body 211 and the plurality of connection board bodies 212 are provided with a conductive circuit 22; the first conductive terminal 30 is located within the housing 10 and disposed at a first end of the conductive plate 20; the second conductive terminal 40 is located in the housing 10 and is disposed at the second end of the conductive plate 20; the first copper pillar structure is located within the housing 10 and conducts the conductive circuit 22 and the first conductive terminal 30; a second copper pillar structure is located within the housing 10 and conducts the conductive circuit 22 and the second conductive terminal 40.

By applying the technical scheme of the embodiment, the ac connector includes a conductive plate 20, a first conductive terminal 30, a second conductive terminal 40, a first copper pillar structure, a second copper pillar structure, and a housing 10 coated outside these structures. One of the first conductive terminal 30 and the second conductive terminal 40 is a total input end connected to the mains supply or connected to the last LED box, and the other is a total output end connected to the next LED box, and the plurality of connection plates 212 on the conductive board 20 are branch output ends connected to an AC-DC power module (AC-DC power module) inside the LED box, where the first conductive terminal 30 is communicated with the conductive circuit 22 on the conductive board 20 through a first copper pillar structure, and the second conductive terminal 40 is communicated with the conductive circuit 22 on the conductive board through a second copper pillar structure, so that an electrical energy transmission path from the total input end to the total output end and the branch output end is formed, and since the PCB substrate 21, the first conductive terminal 30, the second conductive terminal 40, the first copper pillar structure and the second copper pillar structure are all of a hard structure, after the relative positional relationship of these components is arranged, even if the original materials in the process of injection molding to form the housing 10 squeeze these components, the relative positional relationship between these components will not be changed, that the situation of non-conductive portions should not occur, and the potential safety hazard of the structure will not occur. Therefore, the technical scheme of the embodiment can effectively solve the problem that the alternating current connector in the related technology has potential safety hazards.

It should be noted that, when the electric wire is used as the conductive structure inside the ac connector, the electric wire is formed by combining a plurality of thinner copper wires, and is easy to deform after being subjected to external force; in this embodiment, the conductive circuit 22, the first copper pillar structure and the second copper pillar structure disposed on the PCB substrate 21 are used to replace the wires in the related art, wherein the PCB substrate 21 is made of a hard material, which is not easy to deform, and the conductive circuit 22 disposed on the PCB substrate 21 is also not easy to deform, and the diameters of the first copper pillar structure and the second copper pillar structure are larger, so that the worker can bend the first copper pillar structure and the second copper pillar structure with a larger force to connect the first conductive terminal 30 and the conductive circuit 22 and the second conductive terminal 40 and the conductive circuit 22 with a certain distance due to the lower hardness of copper, and after the connection operation is completed, the extrusion force of the injection molding material is not capable of deforming or displacing the first copper pillar structure and the second copper pillar structure when the housing 10 is simply injected without depending on a larger external force. In addition, the use of wire harnesses such as wires is reduced in the embodiment, so that the assembly operation of the alternating current connector is more convenient. In addition, since the use of wire harnesses such as electric wires is reduced, the entire volume of the alternating current connector can be further reduced, and the safety performance thereof can be further improved.

In the present embodiment, the first conductive terminal 30 is defined as a total input end, the second conductive terminal 40 is defined as a total output end, and the plurality of connection plates 212 are defined as branch output ends, however, the staff may also interchange the functions of the above-mentioned terminals according to the use situation or the design requirement.

In this embodiment, the plurality of connection board bodies 212 may be directly connected to the AC-DC power module, or may be connected to the AC-DC power module by welding conductive wires.

As shown in fig. 1 to 3, each of the connection plate bodies 212 is provided with a connection through hole 213 on a portion protruding outward from the housing 10. Specifically, when the connection between the connection board body 212 and the AC-DC power module is performed, the electrical connection between the two can be achieved by screws penetrating into the connection through holes 213.

As shown in fig. 1 to 3, the plurality of connection plate bodies 212 includes a live wire plate 2121, a neutral wire plate 2122, a first ground plate 2123, and a second ground plate 2124, the live wire plate 2121, the neutral wire plate 2122, and the first ground plate 2123 being located on the same side of the main plate body 211, and the second ground plate 2124 being located on the other side of the main plate body 211. The live plate 2121, neutral plate 2122 and first ground plate 2123 together form a branch output connected to the AC-DC power module, and the three connection plates are located on the same side of the main plate body 211, so that conduction connection between the branch output and the AC-DC power module is facilitated. The second ground plate 2124 is used for realizing connection between the alternating current connector and the LED box, on one hand, the alternating current connector can be fixed on the LED box, and on the other hand, the grounding of the bottom shell of the LED box can be realized without arranging a connecting piece additionally.

As shown in fig. 1 to 3, the conductive board 20 has a first board surface and a second board surface, the conductive circuit 22 includes a first conductive copper layer 221 disposed on the first board surface and a second conductive copper layer disposed on the second board surface, the first copper pillar structure is welded to the first conductive copper layer 221, the second copper pillar structure is welded to the second conductive copper layer, through holes 214 are disposed on the PCB substrate 21, and copper sheets are disposed in the through holes 214 to conduct the first conductive copper layer 221 and the second conductive copper layer. The two-sided wiring of current conducting plate 20, and first copper post structure is connected with the first conductive copper layer on the first face of current conducting plate 20, and second copper post structure is connected with the second conductive copper layer on the second face of current conducting plate 20, can the space of rational utilization current conducting plate 20 both sides for the overall arrangement of first copper post structure and second copper post structure is more reasonable.

As shown in fig. 1 to 3, the first conductive copper layer 221 includes a first live copper layer 2211 disposed on the main board body 211 and the live board 2121, a first neutral copper layer 2212 disposed on the main board body 211 and the neutral board 2122, and a first ground copper layer 2213 disposed on the main board body 211, the first ground board 2123, and the second ground board 2124; the first copper pillar structure includes a first live copper pillar connected between the first live copper layer 2211 and the first live terminal 31 of the first conductive terminal 30, a first neutral copper pillar connected between the first neutral copper layer 2212 and the first neutral terminal 32 of the first conductive terminal 30, and a first ground copper pillar connected between the first ground copper layer 2213 and the first ground terminal 33 of the first conductive terminal 30; the second conductive copper layer includes a second live copper layer disposed on the main board body 211 and the live plate 2121, a second neutral copper layer disposed on the main board body 211 and the neutral plate 2122, and a second ground copper layer disposed on the main board body 211, the first ground plate 2123, and the second ground plate 2124; the second copper pillar structure comprises a second live copper pillar connected between the second live copper layer and the second live terminal 41 of the second conductive terminal 40, a second neutral copper pillar connected between the second neutral copper layer and the second neutral terminal 42 of the second conductive terminal 40, and a second ground copper pillar connected between the second ground copper layer and the second ground terminal 43 of the second conductive terminal 40. The electric energy transmission path from the total input end to the total output end and the branch output end is formed through the structure, and the electric energy transmission path has the advantages of reasonable layout and simple structure.

As shown in fig. 1 and 2, the housing 10 is of one-piece injection molded construction; the shell 10 comprises a main body section 11 and two connecting sections 12 arranged at two ends of the main body section 11, each connecting section 12 comprises a plugging panel 121 and a blocking edge 122 which is arranged on the periphery of the plugging panel 121 in a surrounding mode and extends towards the direction far away from the main body section 11, and plugging holes are formed in the plugging panel 121. Specifically, the outer surface of the plugging panel 121 is a planar structure, and the aviation plug/seat can be correspondingly inserted into the plugging hole to realize the electric connection between the LED box and the mains supply or the power cascading between the adjacent LED boxes, so that the plugging surface matched with the aviation plug/seat is set to be a planar structure, thereby being capable of adapting to the aviation plugs/seats of various specifications and brands and having the advantage of good universality. In addition, the blocking edge 122 is arranged on the periphery of the plugging panel 121, so that plugging positions can be shielded, the exposure of a butt joint gap is avoided, the safety factor is improved, and safety faults such as arc sparks and the like caused by poor contact can be prevented.

As shown in fig. 2, the first conductive terminal 30 includes a first support column 34 and a first neutral terminal 32, a first live terminal 31 and a first ground terminal 33 penetrating into the first support column 34, and the second conductive terminal 40 includes a second support column 44 and a second neutral terminal 42, a second live terminal 41 and a second ground terminal 43 penetrating into the second support column 44, wherein a projection of the first ground terminal 33 on a preset cross section of the housing 10 corresponds to a projection of the second ground terminal 43 on the preset cross section, a projection of the first neutral terminal 32 on the preset cross section corresponds to a projection of the second live terminal 41 on the preset cross section, and a projection of the first live terminal 31 on the preset cross section corresponds to a projection of the second neutral terminal 42 on the preset cross section. Because various commercial aviation plugs/sockets are generally provided with fool-proof structures to realize reverse plug prevention, the corresponding relation of the conductive ends can be matched with wiring inside the commercial aviation plug/socket. It should be noted that the "preset cross section" mentioned above refers to a plane of the housing 10 sectioned by a plane perpendicular to its own axis, and specifically, in this embodiment, the housing 10 has a cylindrical structure, and the preset cross section is a circular cross section.

As shown in fig. 2, in the present embodiment, the first neutral terminal 32, the first live wire terminal 31, the first ground wire terminal 33, the second neutral terminal 42, the second live wire terminal 41 and the second ground wire terminal 43 are all plug-in spring structures, which can be compatible with various brands of aviation plugs/sockets currently on the market.

Specifically, in the present embodiment, the first conductive terminal 30 and the second conductive terminal 40 are identical in structure so that functional exchange can be performed therebetween, and since the first conductive terminal 30 and the second conductive terminal 40 are provided at both ends of the conductive plate 20, respectively, the correspondence relationship of the respective terminals described above does not occur.

As shown in fig. 1 and 2, the housing 10 includes a main body section 11 and a support cylinder 13 provided on a side portion of the main body section 11 and surrounding the outer circumferences of the live wire plate 2121, the neutral wire plate 2122, and the first ground wire plate 2123, and a marking portion is provided on the support cylinder 13. Specifically, the identification portions on the support cylinder 13 use "L", "N" and ground marks to mark the live wire plate 2121, the neutral wire plate 2122 and the first ground wire plate 2123, respectively, facilitating the subsequent connection operation by the worker.

In this embodiment, the first copper pillar structure includes a plurality of first copper pillars, the second copper pillar structure includes a plurality of second copper pillars, the first conductive copper layer 221 includes a plurality of first sub-copper layers disposed at intervals, and the second conductive copper layer includes a plurality of second sub-copper layers disposed at intervals, wherein cross-sectional areas of the first copper pillars, the second copper pillars, the first sub-copper layers, and the second sub-copper layers are between 2mm ² and 2.5mm ². The cross-sectional area of the structure can be in the range of 2mm ² to 2.5mm ², and the structure can bear larger current and processing cost. Preferably, the cross-sectional area may be 2mm ² or 2.5mm ².

Specifically, the above-mentioned first copper pillars include a first live wire copper pillar, a first neutral wire copper pillar and a first ground wire copper pillar, the second copper pillars include a second live wire copper pillar, a second neutral wire copper pillar and a second ground wire copper pillar, the first copper sub-layers include a first live wire copper layer 2211, a first neutral wire copper layer 2212 and a first ground wire copper layer 2213, and the second copper sub-layers include a second live wire copper layer, a second neutral wire copper layer and a second ground wire copper layer.

The application also provides an LED box body, which comprises an alternating current connector, wherein the alternating current connector is the alternating current connector. The alternating current connector can effectively solve the problem that the alternating current connector in the related technology has potential safety hazards, and the LED box body with the alternating current connector also has the advantages.

In this embodiment, the ac connector is connected to the bottom case of the case made of a conductive material by a conductive fastener penetrating the second ground plate 2124 and the bottom case. The box drain pan is made to the use conductive material to fix the alternating current connector on the box drain pan through wearing to locate the conductive fastener of second ground plate 2124 and box drain pan, on the one hand can realize the fixed connection of two, on the other hand can realize the ground connection of box drain pan, has simple structure's advantage.

In the description of the present utility model, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present utility model; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present utility model.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by 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 protection scope of the present utility model.

Claims (10)

1. An ac electrical connector, comprising:

A housing (10);

The conductive plate (20) comprises a PCB substrate (21), the PCB substrate (21) comprises a main plate body (211) and a plurality of connecting plate bodies (212), the main plate body (211) is arranged in the shell (10), the plurality of connecting plate bodies (212) are connected to the main plate body (211) and are arranged at intervals, each connecting plate body (212) extends outwards from the shell (10), and a conductive circuit (22) is arranged on the main plate body (211) and the plurality of connecting plate bodies (212);

a first conductive terminal (30) located within the housing (10) and disposed at a first end of the conductive plate (20);

A second conductive terminal (40) located within the housing (10) and disposed at a second end of the conductive plate (20);

a first copper pillar structure located within the housing (10) and conducting the conductive circuit (22) and the first conductive terminal (30);

And a second copper pillar structure located within the housing (10) and conducting the conductive circuit (22) and the second conductive terminal (40).

2. An ac connector according to claim 1, characterized in that each of the connection plate bodies (212) is provided with a connection through-hole (213) on a portion protruding outwardly from the housing (10).

3. The ac connector of claim 1, wherein the plurality of connection board bodies (212) includes a live board (2121), a neutral board (2122), a first ground board (2123), and a second ground board (2124), the live board (2121), the neutral board (2122), and the first ground board (2123) being located on the same side of the main board body (211), and the second ground board (2124) being located on the other side of the main board body (211).

4. An ac connector according to claim 3, wherein the conductive board (20) has a first board surface and a second board surface, the conductive circuit (22) includes a first conductive copper layer (221) disposed on the first board surface and a second conductive copper layer disposed on the second board surface, the first copper pillar structure is welded to the first conductive copper layer (221), the second copper pillar structure is welded to the second conductive copper layer, through holes (214) are provided on the PCB substrate (21), and copper sheets are provided in the through holes (214) to conduct the first conductive copper layer (221) and the second conductive copper layer.

5. The alternating current connector of claim 4, wherein the first conductive copper layer (221) comprises a first live copper layer (2211) disposed on the main board body (211) and the live board (2121), a first neutral copper layer (2212) disposed on the main board body (211) and the neutral board (2122), and a first ground copper layer (2213) disposed on the main board body (211), the first ground board (2123), and the second ground board (2124); the first copper pillar structure comprises a first live copper pillar connected between the first live copper layer (2211) and a first live terminal (31) of the first conductive terminal (30), a first neutral copper pillar connected between the first neutral copper layer (2212) and a first neutral terminal (32) of the first conductive terminal (30), and a first ground copper pillar connected between the first ground copper layer (2213) and a first ground terminal (33) of the first conductive terminal (30); the second conductive copper layer comprises a second live copper layer arranged on the main board body (211) and the live board (2121), a second neutral copper layer arranged on the main board body (211) and the neutral board (2122) and a second ground copper layer arranged on the main board body (211), the first ground board (2123) and the second ground board (2124); the second copper pillar structure comprises a second live wire copper pillar connected between the second live wire copper layer and a second live wire terminal (41) of the second conductive terminal (40), a second neutral wire copper pillar connected between the second neutral wire copper layer and a second neutral wire terminal (42) of the second conductive terminal (40), and a second ground wire copper pillar connected between the second ground wire copper layer and a second ground wire terminal (43) of the second conductive terminal (40).

6. An ac connector according to any one of claims 1 to 4, characterized in that the housing (10) is of one-piece injection-molded construction; the shell (10) comprises a main body section (11), two connecting sections (12) arranged at two ends of the main body section (11), each connecting section (12) comprises a plugging panel (121) and a blocking edge (122) which is arranged on the periphery of the plugging panel (121) in a surrounding mode and extends towards the direction away from the main body section (11), and plugging holes are formed in the plugging panel (121).

7. The alternating current connector according to claim 6, wherein the first conductive terminal (30) comprises a first support column (34) and a first neutral terminal (32), a first live wire terminal (31) and a first ground wire terminal (33) penetrating into the first support column (34), the second conductive terminal (40) comprises a second support column (44) and a second neutral terminal (42), a second live wire terminal (41) and a second ground wire terminal (43) penetrating into the second support column (44), wherein the projection of the first ground wire terminal (33) on a preset cross section of the housing (10) corresponds to the projection of the second ground wire terminal (43) on the preset cross section, the projection of the first neutral terminal (32) on the preset cross section corresponds to the projection of the second live wire terminal (41) on the preset cross section, and the projection of the first live wire terminal (31) on the preset cross section corresponds to the projection of the second neutral terminal (42) on the preset cross section.

8. The alternating current connector of claim 4, wherein,

The shell (10) comprises a main body section (11) and a supporting cylinder (13) which is arranged on the side part of the main body section (11) and surrounds the peripheries of the live wire plate (2121), the neutral wire plate (2122) and the first ground wire plate (2123), and a marking part is arranged on the supporting cylinder (13); and/or the number of the groups of groups,

The first copper pillar structure comprises a plurality of first copper pillars, the second copper pillar structure comprises a plurality of second copper pillars, the first conductive copper layer (221) comprises a plurality of first sub-copper layers arranged at intervals, and the second conductive copper layer comprises a plurality of second sub-copper layers arranged at intervals, wherein the cross-sectional areas of the first copper pillars, the second copper pillars, the first sub-copper layers and the second sub-copper layers are between 2mm ² and 2.5mm ².

9. An LED box comprising an ac connector, characterized in that the ac connector is the ac connector of any one of claims 1 to 8.

10. An LED box, comprising a box bottom shell and an ac connector disposed in the box bottom shell, wherein the ac connector is an ac connector as claimed in claim 3, 4, 5 or 8, and the ac connector is connected to the box bottom shell by a conductive fastener penetrating through the second ground plate (2124) and the box bottom shell, and the box bottom shell is made of a conductive material.