CN221178000U - Board card assembly and LED display device with same - Google Patents

Abstract

The utility model provides a board assembly and an LED display device with the same, wherein the board assembly comprises: the board card matrix comprises a first area, a second area and a third area which are mutually independent; the control circuit is arranged on the board card substrate and positioned in the first area, and is used for receiving and distributing control signals; the switching circuit is arranged on the board card substrate and positioned in the second area, and is connected between the control circuit and the LED display module; the power circuit is arranged on the board substrate and positioned in the third area, and is connected between the external power supply and the control circuit; and an insulating cover detachably covering the third region. The technical scheme of the utility model can effectively solve the problems of disordered distribution of a plurality of functional units and low space utilization rate in the related technology.

Description

Board card assembly and LED display device with same

Technical Field

The utility model relates to the technical field of LED display, in particular to a board card assembly and an LED display device with the board card assembly.

Background

With the continuous development of LED display technology, large LED display screens are increasingly used in different scenes, and in general, large LED display screens are formed by splicing a plurality of LED display devices according to certain rules.

In the related art, an LED display device generally includes a case frame, an LED display module, a rear cover, and the like, and functional units such as an electric power conversion unit, a control unit, and a distribution unit are generally disposed inside the LED display device. Under normal conditions, the electric energy conversion unit, the control unit and the distribution unit of the LED display device are respectively and independently arranged at different positions inside the LED display device, so that the distribution of the internal space is disordered, more internal space is occupied, other electric elements (external power supply access pieces and the like) are not easy to place, and the space utilization rate is low. Therefore, there are problems in the art that a plurality of functional units are distributed in disorder and space utilization is low.

Disclosure of utility model

The utility model mainly aims to provide a board assembly and an LED display device with the board assembly, so as to solve the problems of disordered distribution of a plurality of functional units and low space utilization rate in the related technology.

To achieve the above object, according to one aspect of the present utility model, there is provided a board assembly comprising: the board card matrix comprises a first area, a second area and a third area which are mutually independent; the control circuit is arranged on the board card substrate and positioned in the first area, and is used for receiving and distributing control signals; the switching circuit is arranged on the board card substrate and positioned in the second area, and is connected between the control circuit and the LED display module; the power circuit is arranged on the board substrate and positioned in the third area, and is connected between the external power supply and the control circuit; and an insulating cover detachably covering the third region.

Further, the insulating cover body comprises a main body plate and a side plate which is arranged at the edge position of the main body plate and extends towards the board card base body, the main body plate and the side plate enclose to form a protection space, an electronic element of the power circuit is located in the protection space, a plug hole is formed in the board card base body, a plug part extending towards the board card base body is arranged on the main body plate, and the plug part is matched with the plug hole in a plug manner.

Further, be provided with the buckle on the curb plate, the buckle can keep away from the surface joint cooperation of main part board with the integrated circuit board base member.

Further, the third area is located at a corner of the board substrate, the side plate comprises a first plate body corresponding to the surface of the board substrate facing the main body plate and a second plate body corresponding to the edge of the board substrate, the first plate body is in propping fit with the surface of the board substrate facing the main body plate, and the second plate body protrudes out of the surface of the board substrate far away from the main body plate.

Further, be provided with the installing port on the second plate body, the installing port has the first lateral wall that is close to the main part board and connects two second lateral walls at first lateral wall both ends, the buckle setting all has the clearance in the installing port and between two second lateral walls, the buckle has main part section and jack catch, the first end and the first lateral wall of main part section are connected, the jack catch setting is at the second end of main part section and inwards extend, the jack catch is kept away from the surface backstop cooperation of main part board with the integrated circuit board base member.

Further, a first opening is formed in the main body plate, and the plugging part is a coaming structure arranged at the first opening; and/or the edge of the insulating cover body is provided with a convex edge part, and the convex edge part is provided with a connecting hole.

According to another aspect of the present utility model, there is provided an LED display device including an LED housing, an LED display module and a board card assembly, the LED display module is disposed at a front side of the LED housing, the LED display module and the LED housing form a receiving space, the board card assembly is disposed in the receiving space, and the board card assembly is the board card assembly described above.

Further, the LED box comprises a bottom plate and a side frame arranged on the periphery of the bottom plate and extending forwards, a connecting assembly is arranged on the front surface of the bottom plate, a second opening is formed in the board card substrate, the connecting assembly penetrates through the second opening, and the LED display module is connected to the connecting assembly.

Further, the connecting component comprises a magnetic attraction piece, a magnetic attraction matching piece which is in magnetic attraction matching with the magnetic attraction piece is arranged on the rear surface of the LED display module, one of the magnetic attraction piece and the magnetic attraction matching piece is made of a magnetic material, and the other of the magnetic attraction piece and the magnetic attraction matching piece comprises a magnet; and/or the LED display module comprises a lamp panel, and a supporting piece is further arranged on the front surface of the bottom plate, protrudes forwards from the connecting component and is in propping fit with the rear surface of the lamp panel.

Further, the switching circuit comprises a first plug connector arranged on the front surface of the board card base body, and a second plug connector which is in plug fit with the first plug connector is arranged on the rear surface of the LED display module so as to realize the electric connection between the board card assembly and the LED display module.

By applying the technical scheme of the utility model, the board card matrix provides a supporting basis for the control circuit, the switching circuit and the power supply circuit, and the board card matrix is respectively divided into a first area, a second area and a third area which are independent, so that the control circuit arranged on the first area, the control circuit arranged on the second area and the power supply circuit arranged on the third area can respectively realize respective functions and cannot be mutually influenced. Compared with the scheme of three functional units independently arranged in the related art, the three circuits are integrated on the same board card substrate, so that the distribution of the three circuits is more compact, more electric elements can be installed in the internal space of the LED display device of the mounting board card assembly, and the space utilization rate is improved. In addition, because the power supply circuit can be connected with an external power supply, the voltage input by the external power supply is higher, and a certain potential safety hazard exists when a worker uses the board card assembly. The insulating cover body is covered at the third area, so that workers can be effectively protected, and the workers can be effectively prevented from being injured by electric energy with higher voltage. Therefore, the technical scheme of the utility model can effectively solve the problems of disordered distribution of a plurality of functional units and low space utilization rate in the related technology.

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 illustrates a schematic perspective view of an embodiment of a board assembly according to the present utility model;

FIG. 2 illustrates another angled perspective view of the board assembly of FIG. 1;

FIG. 3 shows a schematic cross-sectional view of a portion of the structure of the board card assembly of FIG. 1;

FIG. 4 shows a schematic cross-sectional view of portion A of the board card assembly of FIG. 3;

FIG. 5 illustrates a schematic perspective view of an insulating housing of the board card assembly of FIG. 1;

FIG. 6 shows an enlarged schematic view of portion B of the insulating cartridge of FIG. 5;

fig. 7 shows a schematic perspective view of the insulation case of fig. 5 at another angle;

FIG. 8 shows an enlarged schematic view of portion C of the insulating cartridge of FIG. 7;

Fig. 9 shows a schematic perspective view of an LED case of an embodiment of an LED display device according to the present utility model.

Wherein the above figures include the following reference numerals:

d1, limiting the size; d2, reserving a gap;

10. A board card base; 11. a first region; 12. a second region; 13. a third region; 14. a plug hole; 15. a second opening;

20. A control circuit;

30. a switching circuit; 31. a first plug member;

40. a power supply circuit;

50. An insulating cover; 51. a main body plate; 511. a first opening; 52. a side plate; 521. a first plate body; 522. a second plate body; 5221. avoiding the notch; 523. a mounting port; 5231. a first sidewall; 5232. a second sidewall; 53. a plug-in part; 531. a coaming structure; 54. a buckle; 541. a main body section; 542. a claw; 55. a convex edge portion; 551. a connection hole;

60. an LED box; 61. a bottom plate; 62. a side frame;

71. a magnetic attraction piece; 72. and a support.

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 8, the present application provides a board assembly, and an embodiment of the board assembly of the present application includes: the board card substrate 10 comprises a first area 11, a second area 12 and a third area 13 which are mutually independent; a control circuit 20 disposed on the board substrate 10 and located in the first area 11, the control circuit 20 being configured to receive and distribute control signals; the switching circuit 30 is arranged on the board card substrate 10 and positioned in the second area 12, and the switching circuit 30 is connected between the control circuit 20 and the LED display module; the power circuit 40 is arranged on the board card substrate 10 and positioned in the third area 13, and the power circuit 40 is connected between an external power supply and the control circuit 20; an insulating cover 50 is detachably provided at the third region 13.

By applying the technical solution of the present embodiment, the board substrate 10 provides a supporting base for the control circuit 20, the switching circuit 30 and the power supply circuit 40, and the board substrate 10 is divided into the first area 11, the second area 12 and the third area 13, so that the control circuit 20 disposed on the first area 11, the control circuit 20 disposed on the second area 12 and the power supply circuit 40 disposed on the third area can respectively implement respective functions and will not affect each other. Compared with the scheme of three independently arranged functional units in the related art, the three circuits in the embodiment can be integrated on the board card substrate 10, so that the distribution of the three circuits is more compact, more electric elements can be installed in the inner space of the LED display device of the mounting board card assembly, and the space utilization rate is improved. In addition, since the power circuit 40 is connected to an external power source, the voltage input from the external power source is high, and a certain potential safety hazard exists when a worker uses the board assembly. The insulating cover 50 in this embodiment is covered at the third area 13, so that the staff can be effectively protected, and the staff can be effectively prevented from being injured by the electric energy with higher voltage. Therefore, the technical scheme of the embodiment can effectively solve the problems of disordered distribution of a plurality of functional units and low space utilization rate in the related technology.

As shown in fig. 1 and 2, the insulating cover 50 includes a main body plate 51 and a side plate 52 disposed at an edge of the main body plate 51 and extending toward the board card substrate 10, the main body plate 51 and the side plate 52 enclose a protection space, the electronic components of the power circuit 40 are located in the protection space, the board card substrate 10 is provided with a socket hole 14, the main body plate 51 is provided with a socket portion 53 extending toward the board card substrate 10, and the socket portion 53 is in socket fit with the socket hole 14. In this embodiment, the power circuit 40 includes a high voltage converting circuit (i.e., AC-DC portion) and a low voltage converting circuit (i.e., DC-DC portion), and the insulating cover 50 is provided to cover the high voltage converting circuit of the power circuit 40, and the electronic components of the power circuit 40 include a chip, a capacitor, a resistor, and the like on the circuit. The main body plate 51 and the side plate 52 are covered on the high-voltage conversion circuit of the power circuit 40, so that a worker can not directly contact with the high-voltage conversion circuit of the power circuit 40 when using the board card assembly, and the possibility of the worker being injured by high voltage electricity is reduced. The plugging portion 53 on the main body plate 51 is plugged and matched with the plugging hole 14 on the board card base body 10, so that the function that the insulating cover body 50 is detachably covered on the board card base body 10 is realized.

As shown in fig. 1 to 8, the side plate 52 is provided with a buckle 54, and the buckle 54 can be in clamping fit with the surface of the board card base body 10 away from the main body plate 51. The buckle 54 can realize the function of preventing the insulating cover body 50 from being separated from the board card base body 10 in a direction away from the board card base body 10, and the buckle 54 has the advantages of simple structure and easy processing.

As shown in fig. 1 and 2, the third region 13 is located at a corner of the board 10, and the side plate 52 includes a first plate 521 corresponding to a surface of the board 10 facing the main board 51, and a second plate 522 corresponding to an edge of the board 10, where the first plate 521 is in abutting engagement with the surface of the board 10 facing the main board 51, and the second plate 522 protrudes from the surface of the board 10 facing away from the main board 51. The cooperation of the first plate 521 and the second plate 522 can realize the function of the insulating cover 50 for omnidirectionally protecting the staff from being in direct contact with the high-voltage electricity, wherein the first plate 521 is in propping cooperation with the board card base body 10, and the second plate 522 protrudes out of the surface of the board card base body 10, so that the high-voltage circuit on the third area 13 is isolated from the outside, and the staff cannot be injured due to mistakenly touching the high-voltage electricity.

As shown in fig. 1 and 2, the second plate 522 is provided with a mounting opening 523, the mounting opening 523 has a first side wall 5231 close to the main body plate 51 and two second side walls 5232 connected to two ends of the first side wall 5231, the buckle 54 is disposed in the mounting opening 523 and has a gap with the two second side walls 5232, the buckle 54 has a main body section 541 and a claw 542, the first end of the main body section 541 is connected to the first side wall 5231, the claw 542 is disposed at the second end of the main body section 541 and extends inward, and the claw 542 is in stop fit with the surface of the board substrate 10 away from the main body plate 51. Because the buckle 54 has a certain elasticity and a gap is formed between the buckle 54 and the two second side walls 5232, the buckle 54 can move relative to the second plate 522, and when a worker wants to detach the insulating cover 50, the buckle 54 can deform, so that the claw 542 and the surface of the board card base 10 away from the main body board 51 are separated from the stop fit. Compared with the mode of connecting the insulating cover body 50 and the board card base body 10 by using the screws, the arrangement is more time-saving and labor-saving when a worker installs or removes the insulating cover body 50; the clasp 54 also has the advantage of being simple in construction and easy to manufacture.

The term "inward" as used above refers to a direction toward the center of the board base 10.

As shown in fig. 1, 2, 5 and 7, the main body plate 51 is provided with a first opening 511, and the plugging portion 53 is a coaming structure 531 provided at the first opening 511. The escape space defined by the first opening 511 and the coaming structure 531 is for escaping the connection assembly (to be mentioned later) and the support 72 (to be mentioned later) of the LED housing 60.

As shown in fig. 1, 2 and 5, a protruding edge 55 is provided at the edge of the insulating cover 50, and a connection hole 551 is provided on the protruding edge 55. The insulating cover 50 can also be connected to the board card base 10 by screws penetrating through the connection holes 551, so that the insulating cover 50 can be connected to the board card base 10 in various manners.

In addition, in this embodiment, the second plate 522 is further provided with a avoidance notch 5221, so that a worker can detach the insulating cover 50 from the board card substrate 10 through the avoidance notch 5221. As shown in fig. 7, the claw 542 and the board card base body 10 have a limit dimension d1, and the limit dimension d1 has a value between 1 and 2mm, for example, 1.4mm, 1.5mm, and 1.6mm, and the limit dimension d1 satisfying the value can not only realize the clamping fit between the buckle 54 and the board card base body 10, but also avoid the situation that the insulating cover body 50 cannot be taken out. The reserved gap d2 is formed between the claw 542 and the surface of the board substrate 10 far from the main body board 51, the value of the reserved gap d2 is between 0.1 and 0.25mm, for example, 0.15mm, 0.2mm and 0.23mm, and the reserved gap d2 meeting the value can prevent assembly errors caused by deformation of the board substrate 10.

The application also provides an LED display device, which comprises an LED box 60, an LED display module and a board card assembly, wherein the LED display module is arranged on the front side of the LED box 60, the LED display module and the LED box 60 form an accommodating space, and the board card assembly is arranged in the accommodating space, wherein the board card assembly is the board card assembly. The board card assembly can effectively solve the problems of disordered distribution of a plurality of functional units and low space utilization rate in the related technology, and the LED display device with the board card assembly also has the advantages.

As shown in fig. 1 to 9, the LED housing 60 includes a bottom plate 61 and a side frame 62 disposed at the outer periphery of the bottom plate 61 and extending forward, a connection assembly is disposed on the front surface of the bottom plate 61, a second opening 15 is disposed on the board card substrate 10, the connection assembly is disposed through the second opening 15, and the LED display module is connected to the connection assembly. In this embodiment, the connection components on the bottom plate 61 corresponding to the first region 11 and the second region 12 pass through the second opening 15 to be connected with the LED display module, and the connection components on the bottom plate 61 corresponding to the third region 13 sequentially pass through the plugging hole 14, the avoidance space surrounded by the enclosing plate structure 531 and the first opening 511 to be connected with the LED display module. The connection assembly can firmly connect the LED display module to the LED housing 60.

As shown in fig. 9, in the present embodiment, the connection assembly includes a magnetic attraction piece 71, and a magnetic attraction mating piece magnetically mated with the magnetic attraction piece 71 is provided on the rear surface of the led display module, the magnetic attraction piece 71 includes a magnet, and the magnetic attraction mating piece is composed of a magnetic material. The magnetic attraction piece 71 and the magnetic attraction matching piece can realize the function of firmly connecting the LED display module with the LED box body. Further, in other embodiments, the magnetic attraction member may be composed of a magnetic material and the magnetic attraction mating member may include a magnet.

As shown in fig. 9, the LED display module includes a light panel, and a support member 72 is further disposed on the front surface of the bottom plate 61, and the support member 72 protrudes forward from the connection assembly and is in abutting engagement with the rear surface of the light panel. The support 72 serves to support the lamp panel.

As shown in fig. 1, the switching circuit 30 includes a first connector 31 disposed on the front surface of the board card substrate 10, and a second connector that is in plug-in fit with the first connector 31 is disposed on the rear surface of the LED display module, so as to electrically connect the board card assembly and the LED display module. The first plug connector 31 and the second plug connector are in plug connection and match, so that the LED display module is electrically connected with the board card assembly.

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. A board card assembly, comprising:

A board card substrate (10) comprising a first region (11), a second region (12) and a third region (13) which are mutually independent;

a control circuit (20) arranged on the board substrate (10) and located in the first area (11), wherein the control circuit (20) is used for receiving and distributing control signals;

The switching circuit (30) is arranged on the board card substrate (10) and positioned in the second area (12), and the switching circuit (30) is connected between the control circuit (20) and the LED display module;

The power supply circuit (40) is arranged on the board substrate (10) and positioned in the third area (13), and the power supply circuit (40) is connected between an external power supply and the control circuit (20);

an insulating cover (50) is detachably provided at the third region (13).

2. The board card assembly according to claim 1, wherein the insulating cover body (50) comprises a main body plate (51) and a side plate (52) arranged at the edge position of the main body plate (51) and extending towards the board card base body (10), a protection space is formed by surrounding the main body plate (51) and the side plate (52), an electronic element of the power circuit (40) is positioned in the protection space, a plug hole (14) is formed in the board card base body (10), a plug part (53) extending towards the board card base body (10) is arranged on the main body plate (51), and the plug part (53) is in plug fit with the plug hole (14).

3. The board card assembly according to claim 2, wherein a buckle (54) is arranged on the side plate (52), and the buckle (54) can be in clamping fit with the surface of the board card base body (10) away from the main body board (51).

4. A board card assembly according to claim 3, characterized in that the third area (13) is located at a corner of the board card body (10), the side plate (52) comprises a first plate body (521) corresponding to the surface of the board card body (10) facing the main body plate (51) and a second plate body (522) corresponding to the edge of the board card body (10), the first plate body (521) is in abutting engagement with the surface of the board card body (10) facing the main body plate (51), and the second plate body (522) protrudes from the surface of the board card body (10) facing away from the main body plate (51).

5. The board card assembly according to claim 4, wherein the second board body (522) is provided with a mounting opening (523), the mounting opening (523) is provided with a first side wall (5231) close to the main body board (51) and two second side walls (5232) connected to two ends of the first side wall (5231), the buckle (54) is arranged in the mounting opening (523) and has a gap with the two second side walls (5232), the buckle (54) is provided with a main body section (541) and a claw (542), the first end of the main body section (541) is connected with the first side wall (5231), the claw (542) is arranged at the second end of the main body section (541) and extends inwards, and the claw (542) is in stop fit with the surface of the board card body (10) away from the main body board (51).

6. The board card assembly of any of claims 2-5, wherein,

The main body plate (51) is provided with a first opening (511), and the plug-in part (53) is a coaming structure (531) arranged at the first opening (511); and/or the number of the groups of groups,

The edge of the insulating cover body (50) is provided with a convex edge part (55), and the convex edge part (55) is provided with a connecting hole (551).

7. An LED display device, comprising an LED box (60), an LED display module and a board assembly, wherein the LED display module is arranged at the front side of the LED box (60), the LED display module and the LED box (60) form an accommodation space, and the board assembly is arranged in the accommodation space, characterized in that, the board assembly is the board assembly according to any one of claims 1 to 6.

8. The LED display device according to claim 7, wherein the LED housing (60) comprises a bottom plate (61) and a side frame (62) disposed at the periphery of the bottom plate (61) and extending forward, a connection assembly is disposed on the front surface of the bottom plate (61), a second opening (15) is disposed on the board card substrate (10), the connection assembly is disposed through the second opening (15), and the LED display module is connected to the connection assembly.

9. The LED display device of claim 8, wherein the LED display device comprises,

The connecting assembly comprises a magnetic attraction piece (71), a magnetic attraction matching piece which is magnetically attracted and matched with the magnetic attraction piece (71) is arranged on the rear surface of the LED display module, one of the magnetic attraction piece (71) and the magnetic attraction matching piece is made of a magnetic material, and the other of the magnetic attraction piece (71) and the magnetic attraction matching piece comprises a magnet; and/or the number of the groups of groups,

The LED display module comprises a lamp panel, a supporting piece (72) is further arranged on the front surface of the bottom plate (61), and the supporting piece (72) protrudes forwards from the connecting assembly and is in propping fit with the rear surface of the lamp panel.

10. The LED display device according to claim 8 or 9, wherein the switching circuit (30) comprises a first connector (31) arranged on the front surface of the board card substrate (10), and a second connector which is in plug-in fit with the first connector (31) is arranged on the rear surface of the LED display module so as to realize the electrical connection of the board card assembly and the LED display module.