CN210381629U

CN210381629U - Universal LED display screen module with multiple intervals and wiring modes

Info

Publication number: CN210381629U
Application number: CN201921453184.1U
Authority: CN
Inventors: 凌向荣; 石建功; 刘海样
Original assignee: Shenzhen Mary Photoelectricity Co ltd
Current assignee: Shenzhen Mary Photoelectricity Co ltd
Priority date: 2019-09-03
Filing date: 2019-09-03
Publication date: 2020-04-21
Anticipated expiration: 2029-09-03

Abstract

The utility model relates to a universal LED display screen module with multiple intervals and wiring modes, which comprises a bottom shell, a net rack, a module PCB and a module face mask, and is formed by stacking the bottom shell, the net rack, the module PCB and the module face mask in sequence from bottom to top; the module PCB comprises a plurality of LED lamps and a printed circuit PCB board, and the plurality of LED lamps are integrated on the upper surface of the printed circuit PCB board; a first stabilizing unit arranged on the lower surface of the net rack is matched with a second stabilizing unit arranged in the bottom shell; the lower part of the bottom shell is also provided with a first wiring hole and a second wiring hole, one surface of the printed circuit PCB board close to the bottom shell is welded with a connector, and the end part of the module integrated line is spliced with the connector through the connector; the utility model has the advantages that the bottom shell structure with the second stable unit is provided, and the bottom shell has two connection modes of fixing and sliding, so that the bottom shell has stronger adaptability, and one bottom shell can be adapted to net racks with various intervals; the bottom shell is provided with three wiring modes, so that the bottom shell is further higher in wiring mode adaptability.

Description

Universal LED display screen module with multiple intervals and wiring modes

Technical Field

The utility model relates to the LED display module assembly especially involves the LED display screen module of a general multiple interval and mode of connection.

Background

In the application of the existing LED display screen products, the problems of excessive product series and different product sizes generally exist, so that a new product size can be formed when a product with different dot pitches is manufactured, and an LED display unit module needs to be designed again when a new product is manufactured, namely, a common module bottom shell only can use one pitch and one wiring mode, so that the adaptability is poor, the design difficulty and the cost are increased, and the production period is longer; nowadays, along with the more and more extensive of present LED display screen application, the variety and the compatibility that use the display screen module are also higher and higher, for saving the cost, convenient operation, the module drain pan structure of the general multiple range of the urgent need design of present, multiple wiring mode solves above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model provides a LED display screen module of general multiple interval and mode of connection, the above-mentioned problem of solution.

In order to solve the above problem, the utility model provides a technical scheme as follows:

a universal LED display screen module with multiple intervals and wiring modes comprises a bottom shell, a net rack, a module PCB and a module mask, and is formed by sequentially superposing from bottom to top; the module PCB comprises a plurality of LED lamps and a printed circuit PCB board, and the plurality of LED lamps are integrated on the upper surface of the printed circuit PCB board; a first stabilizing unit arranged on the lower surface of the net rack is matched with a second stabilizing unit arranged in the bottom shell; the lower part of the bottom shell is further provided with a first wiring hole and a second wiring hole, one side, close to the bottom shell, of the printed circuit PCB is welded with a connector, and the end part of the module integrated line is connected with the connector in an inserting mode through the connector.

Preferably, the stabilizing unit comprises four positioning insertion columns, the upper ends of the four positioning insertion columns are correspondingly connected with the four corners of the lower part of the net rack in an integrated/detachable mode, and the lower ends of the four positioning insertion columns are connected with the slots in the four corners of the upper part of the bottom shell in an inserted mode.

Preferably, the second stabilizing unit comprises a plurality of auxiliary supporting seats, four main supporting seats, four middle fastening seats, a plurality of side fastening seats and a plurality of side positioning columns, wherein the four main supporting seats are arranged on the bottom plate of the bottom shell in a rectangular array, and the plurality of auxiliary supporting seats are arranged on the bottom plate of the bottom shell in an array; the four middle fastening seats are arranged on the bottom plate of the bottom shell in a rectangular second mode, the area of the rectangular second mode is smaller than that of the rectangular first mode, the multiple side fastening seats are arranged on the bottom plate of the bottom shell in a rectangular third mode, and the area of the rectangular third mode is larger than that of the rectangular first mode; the side positioning columns are arranged on the bottom plate of the bottom shell in a rectangular four-way mode, and the area of the rectangular four is equal to the area of the rectangular three.

The second stabilizing unit further comprises a support rib, the support rib comprises a transverse guide rail, a longitudinal guide rail and a frame which is formed by enclosing a left guide rail, a right guide rail, a front guide rail and a rear guide rail, and the plurality of side fastening seats and the plurality of side positioning columns are arranged on the frame; the upper parts of the transverse guide rail and the longitudinal guide rail are respectively and correspondingly provided with a transverse positioning column and a longitudinal positioning column.

Preferably, a plurality of limit fastening seats and a plurality of limit reference column are all fixed on the frame, and horizontal reference column and vertical reference column correspond respectively and fix on the upper portion of transverse guide and longitudinal rail, and the equal fixed mounting of fastening seat is in the bottom plate upper portion of drain pan in four main tributary supporting seats and four, and the supporting seat is assisted in the upper portion fixed mounting of nodical department in the support rib.

Preferably, the auxiliary supporting seats are divided into auxiliary edge supporting seats and auxiliary middle supporting seats, and the auxiliary edge supporting seats are detachably mounted on corresponding intersection points of the side frames; the plurality of parallel longitudinal guide rails are perpendicular to the plurality of parallel transverse guide rails, each longitudinal guide rail horizontally slides with the plurality of transverse guide rails, and the plurality of auxiliary middle support seats are detachably arranged on the upper parts of the longitudinal guide rails.

Furthermore, the auxiliary middle support seat comprises a fixing portion and a clamping portion which are integrally formed in an injection molding mode, a first groove formed in the bottom of the fixing portion is clamped with the upper portion of the longitudinal guide rail, two clamping claws are arranged on the lower portion of the clamping portion, a second groove between the two clamping claws is matched with the width of the transverse guide rail, and the clamping portion is connected with the upper portion of the transverse guide rail in a clamping and sliding mode through the second groove.

Preferably, a first wiring hole is formed in the middle of the lower portion of the bottom shell, a first sealing cover is installed at the rear portion of the bottom shell and at the corresponding position of the first wiring hole through a bolt, a first rectangular through hole is formed in the middle of the first sealing cover, the first rectangular through hole is smaller than the first wiring hole, the rectangular plug connector corresponds to the first rectangular through hole in position, a fixed protective sleeve is installed at the end portion of the module integrated line, the plug connector for welding the wire core inside the module integrated line penetrates through the first rectangular through hole to be connected with one end of the plug connector in an inserting mode, and the fixed protective sleeve is installed on the.

Preferably, two wiring hole two correspond and distribute in the left and right sides of drain pan, and wiring hole two is the bar through-hole, the connector for with the bar connector, the connector is corresponding with the position of wiring hole two, the inside sinle silk welded connector clip of module integrated line passes from wiring hole two to be pegged graft with the one end of connector clip, fixed lag passes through the bolt and installs the lower part at the drain pan.

Preferably, the first wiring hole is located in the middle of the lower portion of the bottom shell, the second sealing cover is mounted at the position, corresponding to the first wiring hole, of the lower portion of the bottom shell through a bolt, a circular through hole is formed in the middle of the second sealing cover, the circular through hole is smaller than the first wiring hole, the plug connector is a circular connector, the circular connector corresponds to the circular through hole in position, and the wire core welded plug connector inside the module integrated wire penetrates through the rectangular through hole from the second rectangular through hole to be connected with one end of the circular connector in.

Compared with the prior art, the utility model has the advantages that by adopting the scheme, the utility model discloses a set up firm unit two, firm unit two includes a plurality of assistance supporting seats, four main tributary supporting seats, four well fastening seats, a plurality of limit fastening seats and a plurality of limit reference columns in including, and firm unit two has two kinds of fixed and slip connected modes with the bottom plate of drain pan, compare ordinary drain pan on the market have more supporting seats, reference columns and fastening seats, make the suitability of drain pan stronger, make a drain pan can adapt to rack and module PCB of multiple interval; meanwhile, the bottom shell is provided with three wiring modes, so that the bottom shell is higher in wiring mode adaptability.

Drawings

For a clearer explanation of the embodiments or technical solutions in the prior art, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the overall assembly structure of the present invention;

FIG. 2 is a schematic diagram of the overall explosion structure of the present invention;

fig. 3 is a schematic top view of the bottom case of the present invention;

FIG. 4 is a schematic view of the fixing connection structure of the bottom case and the second fixing unit of the present invention;

FIG. 5 is a schematic view of the sliding connection structure of the bottom case and the securing unit of the present invention;

FIG. 6 is a schematic view of the auxiliary middle support seat structure of the present invention;

FIG. 7 is a schematic view of a wiring structure according to the present invention;

FIG. 8 is a schematic structural view of a second wiring method of the present invention;

FIG. 9 is a schematic diagram of the three structures of the wiring method of the present invention;

as shown in the above legend: 1. the module PCB 2, the bottom shell 21, the first wiring hole 22, the second wiring hole 23, the first sealing cover 24, the second sealing cover 3, the net rack 31, the positioning insertion column 4, the module face cover 5, the module integrated wire 51, the fixing protective sleeve 52, the circular connector 6, the second stabilizing unit 60, the slot 61, the main support seat 62, the middle fastening seat 63, the side fastening seat 64, the side positioning column 65, the support rib 66, the auxiliary side support seat 67, the auxiliary middle support seat 671, the fixing part 672, the first groove 673, the clamping jaw 674, the second groove 68, the transverse positioning column 69 and the longitudinal positioning column.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described in more detail with reference to the accompanying drawings and specific embodiments. Preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The use of the terms "fixed," "integrally formed," "left," "right," and the like in this specification is for illustrative purposes only, and elements having similar structures are designated by the same reference numerals in the figures.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

As shown in fig. 1 to 9, the overall structure of the present invention is:

a universal LED display screen module with various intervals and wiring modes comprises a bottom shell 2, a net rack 3, a module PCB1 and a module face shield 4 which are sequentially overlapped from bottom to top; the module PCB1 comprises a plurality of LED lamps and a printed circuit PCB board, and the plurality of LED lamps are integrated on the upper surface of the printed circuit PCB board; the first fixing unit arranged on the lower surface of the net rack 3 is matched with the second fixing unit 6 arranged in the bottom shell 2; the lower part of the bottom shell 2 is also provided with a first wiring hole 21 and a second wiring hole 22, one side of the printed circuit PCB board close to the bottom shell 2 is welded with a connector, and the end part of the module integrated wire 5 is spliced with the connector through the connector; the first stabilizing unit comprises four positioning inserting columns 31, the upper ends of the four positioning inserting columns 31 are correspondingly and integrally/detachably connected with the four lower corners of the net rack 3, and the lower ends of the four positioning inserting columns 31 are inserted into the slots 60 at the four upper corners of the bottom shell 2.

Further, the LED display screen module of prior art does not have the rack, module PCB directly places in the drain pan promptly, the external dimension of module PCB board and drain pan is fixed, the LED lamp of different specification LED display screen module is arranged differently at the point interval on printed circuit PCB board, when the point interval of LED lamp is different, just need the drain pan inner structure of new looks adaptation to support, consequently, in order to adapt to the module PCB of different LED lamp intervals, just design with the module PCB on the various racks of LED lamp interval looks adaptation, for example P5.7mm rack, P8mm, P6.66mm rack, P10.66mm rack, wherein, 5.77 is the distance between two LED lamps, the unit is the millimeter.

Further, when the net rack 3 is placed in the bottom case 2, in order to maintain the stability of the net rack 3, the net rack 3 is inserted into the four slots 60 inside the bottom case 2 through the four insertion posts of the lower part, then the module PCB is placed on the net rack 3, and the fixing of the net rack 3 and the middle fastening seat 62 and the side fastening seat 63 of the bottom case 2 is realized through the fastening bolts.

In embodiment 1, the second fixing unit 6 is fixedly installed inside the bottom case 2; the second stabilizing unit 6 comprises a plurality of auxiliary supporting seats, four main supporting seats 61, four middle fastening seats 62, a plurality of side fastening seats 63 and a plurality of side positioning columns 64, wherein the four main supporting seats 61 are fixedly arranged on the bottom plate of the bottom shell 2 in a rectangular array, and the plurality of auxiliary supporting seats are fixedly arranged on the bottom plate of the bottom shell 2 in an array; the four middle fastening seats 62 are arranged and fixedly mounted on the bottom plate of the bottom shell 2 in a rectangular two-way mode, the area of the rectangular two is smaller than that of the rectangular one, the multiple side fastening seats 63 are arranged and fixedly mounted on the bottom plate of the bottom shell 2 in a rectangular three-way mode, and the area of the rectangular three is larger than that of the rectangular one; the side positioning columns 64 are fixedly arranged on the bottom plate of the bottom shell 2 in a rectangular four-way arrangement, and the area of the rectangular four is equal to that of the rectangular three; the side positioning columns 64 and the side fastening seats 63 are columns fixedly arranged at the outermost edge position of the upper part of the bottom plate of the bottom shell 2, the side positioning columns 64 and the side fastening seats 63 are arranged alternately, the side positioning columns 64 are used for positioning the edge positions of the periphery of the net rack 3, and threaded holes are formed in the middle parts of the side fastening seats 63 and the middle fastening seats 62 and used for fixing the module PCB1 and the net rack 3; the positioning column and the fastening seat are both cylinders.

Further, the bottom shell 2 is made of die-cast aluminum materials, and is beneficial to the heat conduction and radiation of the LED display screen module; in the conventional LED display screen module in the market, the distance between two adjacent LED lamps integrated on a printed circuit PCB is fixed, the overall size and the grid distance of a net rack 3 are fixed, and a module PCB1 is installed on a bottom shell 2 through the net rack 3, so that the module PCB1 with the distance between the LED lamps can only be suitable for one structure of the bottom shell 2; the supporting seat that sets up on the drain pan 2 in the conventional display screen module promptly, reference column and fastening seat are mainly according to LED lamp interval and set for, the supporting seat, the quantity of reference column and fastening seat is few, the mounted position is fixed, and this technical scheme is owing to at a plurality of assistance supporting seats of drain pan 2 internally mounted, four main tributary supporting seats 61 and a plurality of limit reference column 64, supporting seat and reference column are in large quantity promptly, the mounted position is many, thereby can be suitable for the rack 3 of the different intervals of net, and then with this can be suitable for the installation of the module PCB1 of different LED lamp intervals fixedly.

Embodiment 2, on the basis of embodiment 1, the second stabilizing unit 6 further includes a supporting rib 65, where the supporting rib 65 includes a transverse guide rail, a longitudinal guide rail, and a frame surrounded by a left guide rail, a right guide rail, a front guide rail, and a rear guide rail, where the transverse guide rail and the longitudinal guide rail are disposed in the frame, the plurality of parallel transverse guide rails are perpendicular to the plurality of parallel longitudinal guide rails, and the perpendicular intersection points of the transverse guide rails and the longitudinal guide rails are fixed by welding, bolt fastening, rivets, or spraying strong glue, the plurality of side fastening seats 63 and the plurality of side positioning pillars 64 are fixedly mounted on the frame, and the side fastening seats 63 and the side positioning pillars 64 are arranged alternately on the frame; the upper parts of the transverse guide rail and the longitudinal guide rail are respectively and correspondingly fixedly provided with a transverse positioning column 68 and a longitudinal positioning column 69; the four main supporting seats 61 and the four middle fastening seats 62 are all fixedly mounted on the upper portion of the bottom plate of the bottom shell 2, namely the main supporting seats 61 and the middle fastening seats 62 are located in grids of the supporting ribs 65 and are not directly connected with the supporting ribs 65, the upper portion of the middle intersection points of the supporting ribs 65 is fixedly mounted with an auxiliary supporting seat, namely the intersection points of the transverse guide rails and the frames, the intersection points of the longitudinal guide rails and the frames and the intersection points of the transverse guide rails and the longitudinal guide rails are fixedly mounted with an auxiliary supporting seat, and the auxiliary supporting seat can be welded, riveted, bolted or fixed by strong glue.

The supporting ribs 65 are used for supporting each grid of the net rack 3, so that each point of the net rack 3 and each point of the module PCB1 have supporting points and are stressed uniformly; that is, when the net rack 3 is placed in the bottom case 2, the edge positioning holes on the net rack 3 correspond to the side positioning posts 64 on the bottom case 2, the positioning holes in the middle of the net rack 3 correspond to the transverse positioning posts 68 and the longitudinal positioning posts 69 (middle positioning posts) on the bottom case 2, and since the module PCB1 is provided with mounting holes, after the module PCB1 is placed on the net rack 3, the module PCB 3526 penetrates through the net rack 3 and then is fixed with the fastening seat of the bottom case 2 through fastening bolts, so that the module PCB1 and the net rack 3 are fixed in the bottom case 2; therefore, the net rack 3 with various grid intervals can be applied by the side positioning columns 64 and the middle positioning columns.

Embodiment 3, that is, on the basis of embodiment 1, the second stabilizing unit 6 further includes a supporting rib 65, where the supporting rib 65 includes a transverse rail, a longitudinal rail, and a frame surrounded by a left rail, a right rail, a front rail, and a rear rail, where the frame is fixed on the upper portion of the bottom plate of the bottom case 2, and the plurality of side fastening seats 63 and the plurality of side positioning columns 64 are detachably mounted (plugged, screwed) on the frame so as not to affect the horizontal sliding of the longitudinal rail on the transverse rail; the upper parts of the transverse guide rail and the longitudinal guide rail are respectively and correspondingly provided with a transverse positioning column 68 and a longitudinal positioning column 69; the auxiliary supporting seats are divided into an auxiliary edge supporting seat 66 and an auxiliary middle supporting seat 67, the auxiliary edge supporting seats 66 are detachably mounted on corresponding intersection points of the side frame, namely the auxiliary edge supporting seat 66 is mounted at the intersection points of the transverse guide rail, the longitudinal guide rail and the side frame, the upper surface of each auxiliary supporting seat can be square, circular, triangular and the like, the upper part of each auxiliary supporting seat is used for supporting the net rack 3, the lower part of each auxiliary supporting seat is used for fixing the intersection points of the transverse guide rail and the longitudinal guide rail and the side frame, and the auxiliary supporting seats are clamped/rotatably connected/inserted at the; the plurality of parallel arranged longitudinal guide rails are perpendicular to the plurality of parallel arranged transverse guide rails, each longitudinal guide rail and the plurality of transverse guide rails horizontally slide, and the plurality of auxiliary middle support seats 67 are detachably mounted on the upper portions of the longitudinal guide rails.

Further, when the distance between the LED lamps on the module PCB1 is changed, the external size of the net rack 3 is unchanged, but the size of the grid inside the net rack is changed along with the distance between the LED lamps on the module PCB1, at this time, in order to adapt to a new net rack, the auxiliary supporting seat is manually taken down, the longitudinal guide rail is manually shifted, the longitudinal guide rail horizontally moves along the transverse guide rail, and the new net rack is supported in an adaptive manner; when the longitudinal guide rail is manually shifted, the longitudinal positioning column 69 arranged on the longitudinal guide rail also generates position change along with the longitudinal guide rail, after the adjustment is finished, the auxiliary supporting seat (the auxiliary edge supporting seat 66 and the auxiliary middle supporting seat 67) is manually and correspondingly arranged at the intersection point of the transverse guide rail and the longitudinal guide rail and the intersection point of the transverse guide rail and the longitudinal guide rail, so that the longitudinal guide rail and the transverse guide rail are fixed, then the new net rack 3 is arranged in the bottom shell 2 in an aligned mode, then the module PCB1 is arranged at the upper part of the net rack 3, and the three components are fixedly assembled together by penetrating through the mounting hole of the module PCB, the net rack 3 and the fastening seat through fastening bolts; because the longitudinal guide rail can move horizontally relative to the transverse guide rail, the position of the supporting ribs 65 can be effectively adjusted to adapt to the installation of the rack 3 and the module PCB1 with different intervals of grids.

Embodiment 4, the auxiliary middle support seat 67 includes a fixing portion 671 and an engaging portion, which are formed by injection molding, wherein a first groove 672 formed at the bottom of the fixing portion 671 is engaged with the upper portion of the longitudinal rail, two claws 673 are provided at the lower portion of the engaging portion, a second groove 674 between the two claws 673 is matched with the width of the transverse rail, and the engaging portion is engaged with the upper portion of the transverse rail by the second groove 674 in a sliding manner.

In embodiment 5, a first wiring hole 21 is formed in the middle of the lower portion of the bottom case 2, a first sealing cover 23 is mounted at the position, corresponding to the first wiring hole 21, of the rear portion of the bottom case 2 through a bolt, a first rectangular through hole is formed in the middle of the first sealing cover 23, the first rectangular through hole is smaller than the first wiring hole 21, a rectangular plug connector corresponds to the first rectangular through hole in position, a fixed protective sleeve 51 is mounted at the end portion of the module integrated wire 5, the plug connector welded to a wire core inside the module integrated wire 5 penetrates through the first rectangular through hole to be plugged with one end of the plug connector, and the fixed protective sleeve 51 is mounted on the upper; wherein, the end of the module integrated line 5 is welded with one end of the connector in advance, and the other end is inserted with one end of the connector.

Embodiment 6, two wiring holes two 22 correspond and distribute in the left and right sides of drain pan 2, and wiring hole two 22 is the bar through-hole, the connector be with the bar connector, the connector is corresponding with wiring hole two 22's position, the inside sinle silk welded plug connector of module integrated circuit 5 passes from wiring hole two 22 to peg graft with the one end of plug connector, fixed lag 51 passes through the bolt and installs the lower part at drain pan 2.

Embodiment 7, wiring hole one 21 is located the lower part intermediate position at drain pan 2, and drain pan 2 lower part and the corresponding position department in wiring hole one 21 install second closing cap 24 through the bolt, and circular through-hole has been seted up at the middle part of second closing cap 24, and circular through-hole is less than wiring hole one 21, and the plug connector is circular connector 52, and circular connector 52 corresponds with circular through-hole position, and the plug connector of module integrated line 5 inside sinle silk welded passes from rectangular through-hole two to be pegged graft with the one end of circular connector 52.

Because reserved multiple wiring mode structure on the drain pan 2 of LED display screen module, later stage accessible machine tooling mode is removed to choose for use, and the mould only need open one set to in order to strengthen the suitability of drain pan 2, reduce the wasting of resources.

The assembling process comprises the following steps: to the structure of the mode of sliding in the second firm unit, at first, manually stir the longitudinal rail in advance, make the distance between a plurality of longitudinal rails, the interval between the vertical positioning post is corresponding with the net interval of new rack, and fix through assisting the supporting seat, then correspond new rack and place in the drain pan, make the locating hole of rack and the positioning post of drain pan corresponding, because the external dimension of rack is unchangeable, therefore the location of rack lower part is inserted the post and is inserted correspondingly in the four corners slot of drain pan, then place the rack upper portion with the module PCB that has welded the connector, then run through the mounting hole of module PCB through fastening bolt, rack to the positioning post of drain pan, thereby fix the three together, at last, run through module PCB with the long screw again, it is fixed after rack and the drain pan.

It should be noted that the above technical features are continuously combined with each other to form various embodiments which are not listed above, and all the embodiments are regarded as the scope of the present invention described in the specification; moreover, modifications and variations will occur to those skilled in the art in light of the foregoing description, and it is intended to cover all such modifications and variations as fall within the true spirit and scope of the invention as defined by the appended claims.

Claims

1. A universal LED display screen module with various intervals and wiring modes is characterized by comprising a bottom shell, a net rack, a module PCB and a module mask which are sequentially overlapped from bottom to top; the module PCB comprises a plurality of LED lamps and a printed circuit PCB board, and the plurality of LED lamps are integrated on the upper surface of the printed circuit PCB board; a first stabilizing unit arranged on the lower surface of the net rack is matched with a second stabilizing unit arranged in the bottom shell; the lower part of the bottom shell is further provided with a first wiring hole and a second wiring hole, one side, close to the bottom shell, of the printed circuit PCB is welded with a connector, and the end part of the module integrated line is connected with the connector in an inserting mode through the connector.

2. The LED display screen module with multiple universal spacing and wiring modes as claimed in claim 1, wherein the first fixing unit comprises four positioning insertion posts, the upper ends of the four positioning insertion posts are correspondingly connected with the four lower corners of the rack in an integrated/detachable manner, and the lower ends of the four positioning insertion posts are inserted into the slots at the four upper corners of the bottom shell.

3. The LED display screen module with universal multi-spacing and wiring manners as claimed in claim 2, wherein the second fixing unit comprises a plurality of auxiliary supporting bases, four main supporting bases, four middle fixing bases, a plurality of side fixing bases and a plurality of side positioning columns, wherein the four main supporting bases are installed on the bottom plate of the bottom shell in a rectangular array, and the plurality of auxiliary supporting bases are arranged on the bottom plate of the bottom shell in an array; the four middle fastening seats are arranged on the bottom plate of the bottom shell in a rectangular second mode, the area of the rectangular second mode is smaller than that of the rectangular first mode, the multiple side fastening seats are arranged on the bottom plate of the bottom shell in a rectangular third mode, and the area of the rectangular third mode is larger than that of the rectangular first mode; the side positioning columns are arranged on the bottom plate of the bottom shell in a rectangular four-way mode, and the area of the rectangular four is equal to the area of the rectangular three.

4. The LED display screen module with multiple universal intervals and wiring modes as claimed in claim 3, wherein the second stabilizing unit further comprises a support rib, the support rib comprises a transverse guide rail, a longitudinal guide rail and a frame surrounded by a left guide rail, a right guide rail, a front guide rail and a rear guide rail, and the plurality of side fastening seats and the plurality of side positioning columns are mounted on the frame; the upper parts of the transverse guide rail and the longitudinal guide rail are respectively and correspondingly provided with a transverse positioning column and a longitudinal positioning column.

5. The LED display screen module with multiple universal pitches and wiring manners as claimed in claim 4, wherein the side fastening seats and the side positioning columns are fixed on the frame, the side positioning columns and the longitudinal positioning columns are respectively fixed on the upper portions of the lateral guide rails and the longitudinal guide rails, the four main supporting seats and the four middle fastening seats are fixedly installed on the upper portion of the bottom plate of the bottom shell, and the auxiliary supporting seats are fixedly installed on the upper portions of the middle intersections of the supporting ribs.

6. The LED display screen module with multiple universal pitches and wiring modes as claimed in claim 4, wherein the auxiliary supporting seats are divided into an auxiliary edge supporting seat and an auxiliary middle supporting seat, and the plurality of auxiliary edge supporting seats are detachably mounted on corresponding intersection points of the frame; the plurality of parallel longitudinal guide rails are perpendicular to the plurality of parallel transverse guide rails, each longitudinal guide rail horizontally slides with the plurality of transverse guide rails, and the plurality of auxiliary middle support seats are detachably arranged on the upper parts of the longitudinal guide rails.

7. The LED display screen module with multiple universal pitches and wiring manners as claimed in claim 6, wherein the auxiliary middle support seat comprises a fixing portion and a clamping portion, the fixing portion is formed by injection molding, a first groove is formed in the bottom of the fixing portion and clamped with the upper portion of the longitudinal guide rail, two clamping claws are arranged on the lower portion of the clamping portion, a second groove between the two clamping claws is matched with the width of the transverse guide rail, and the clamping portion is clamped with the upper portion of the transverse guide rail through the second groove and is in sliding connection.

8. The LED display screen module with multiple universal intervals and wiring modes as claimed in claim 1, wherein a first wiring hole is formed in the middle of the lower portion of the bottom shell, a first sealing cover is mounted at the position, corresponding to the first wiring hole, of the rear portion of the bottom shell through a bolt, a first rectangular through hole is formed in the middle of the first sealing cover, the first rectangular through hole is smaller than the first wiring hole, the first rectangular plug connector corresponds to the first rectangular through hole, a fixed protective sleeve is mounted at the end portion of the module integrated line, a plug connector welded to a wire core inside the module integrated line penetrates through the first rectangular through hole to be plugged into one end of the plug connector, and the fixed protective sleeve is mounted at the upper portion of the first sealing cover through a.

9. The LED display screen module with multiple universal intervals and wiring modes as claimed in claim 1, wherein two wiring holes II are correspondingly distributed on the left side and the right side of the bottom shell, the wiring holes II are strip-shaped through holes, the connectors are strip-shaped connectors, the positions of the connectors and the wiring holes II correspond, the connectors welded to the wire cores inside the module integrated wires penetrate through the wiring holes II to be connected with one ends of the connectors in an inserting mode, and the fixing protective sleeves are installed on the lower portion of the bottom shell through bolts.

10. The LED display screen module with the multiple universal intervals and the multiple wiring modes as claimed in claim 1, wherein the first wiring hole is located in the middle of the lower portion of the bottom shell, a second sealing cover is mounted at the position, corresponding to the first wiring hole, of the lower portion of the bottom shell through a bolt, a circular through hole is formed in the middle of the second sealing cover, the circular through hole is smaller than the first wiring hole, the plug connector is a circular plug connector, the circular plug connector corresponds to the circular through hole in position, and a wire core welded plug connector inside the module integrated wire penetrates through the second rectangular through hole to be connected with one end of the circular plug connector in an inserting mode.