CN208173143U - LED display mould group - Google Patents
LED display mould group Download PDFInfo
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- CN208173143U CN208173143U CN201820717204.0U CN201820717204U CN208173143U CN 208173143 U CN208173143 U CN 208173143U CN 201820717204 U CN201820717204 U CN 201820717204U CN 208173143 U CN208173143 U CN 208173143U
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- led lamp
- mould group
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Abstract
The utility model provides a kind of LED display mould group, belongs to display screen technology field.The LED display mould group includes mould group bottom case, installs in the positive LED lamp panel of mould group bottom case and install in the double needle stand of driving signal, data and power connection feet the progress double copies design to LED lamp panel at the mould group bottom case back side, LED lamp panel includes the electric elements of pcb board, several LED lamp beads and several driving LED lamp bead work, several LED lamp bead matrixes are distributed in the front of pcb board, several electric elements are evenly distributed on the back side of pcb board, and double needle stand and LED lamp panel are electrically connected.This LED display mould group can guarantee the lamp bead solid colour being highlighted under effect and effectively improve the stability of product data connection.
Description
Technical field
The utility model relates to display screen technology field more particularly to a kind of LED display mould groups.
Background technique
In the prior art, the characteristics of LED display is due to its long service life, energy conservation and environmental protection, is widely used in various
In public place, image is provided for people and is shown.In current production technology, LED display is generally fabricated to square
Or each small LED display mould group is directly spliced into large-scale LED display when in use by rectangle, thus, it need to lead to
Row-needle receptacle is crossed by the data connection of each small LED display mould group together.And existing LED display mould group generally uses
Single needle stand carries out data connection, is easy to influence because a certain PIN foot poor contact causes the stability of product data connection poor
The display performance of product.Meanwhile existing LED display mould group is under being highlighted effect when working, internal electric elements
It since fever is uneven, is easy to cause the color of lamp bead inconsistent, also influences the display performance of product.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of LED display mould groups, can guarantee and are highlighted effect
Lamp bead solid colour under fruit and the stability for effectively improving product data connection.
To achieve the above object, the utility model proposes a kind of LED display mould group, the LED display mould group includes
Mould group bottom case is installed in the positive LED lamp panel of the mould group bottom case and is installed in the mould group bottom case back side to the LED
The driving signal of lamp plate, data and power connection feet carry out the double needle stand of double copies design, the LED lamp panel include pcb board,
Several LED lamp beads and the electric elements of several drivings LED lamp bead work, several LED lamp bead matrixes are distributed in institute
The front of pcb board is stated, several electric elements are evenly distributed on the back side of the pcb board, the double needle stand and the LED
Lamp plate is electrically connected.
Optionally, several electric elements include that several bilaterals retouch and sweep Switching Power Supply metal-oxide-semiconductor, and several bilaterals, which are retouched, sweeps
Switching Power Supply metal-oxide-semiconductor is evenly distributed on the back side of the pcb board.
Optionally, several electric elements further include several current-limiting resistances, several filter capacitors and several LED lamp beads
Driving chip, so that several electric elements and the double needle stand composition drive the LED display of several LED lamp beads
Driving circuit.
LED display mould group provided by the utility model comprising mould group bottom case is installed in the positive LED of mould group bottom case
It lamp plate and installs and carries out double copies in the mould group bottom case back side driving signal, data and power connection feet to LED lamp panel and setting
The double needle stand of meter.Since in LED lamp panel, the electric elements of several driving LED lamp bead work are evenly distributed on the back of pcb board
Face, when so that LED lamp panel working, back side consistent heat generation of several electric elements in pcb board, it is ensured that this LED display mould group
The lamp bead solid colour being highlighted under effect, meanwhile, it is set by the way that driving signal, data, power connection feet are carried out double copies
The double needle stand of meter carries out data connection, can effectively improve the stability of product data connection.As it can be seen that this LED display mould group,
It can guarantee the lamp bead solid colour being highlighted under effect and effectively improves the stability of product data connection.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 be the utility model proposes LED display mould group structural schematic diagram.
Fig. 2 is the fractionation structural representation of LED display mould group shown in Fig. 1.
Specific embodiment
Specific embodiment of the present utility model is described further with reference to the accompanying drawing.It should be noted that
The explanation of these embodiments is used to help to understand the utility model, but does not constitute the restriction to the utility model.This
Outside, technical characteristic involved in the various embodiments of the present invention described below is as long as they do not conflict with each other
It can be combined with each other.
As shown in Figures 1 and 2, the present embodiment proposes a kind of LED display mould group 100, the LED display mould group 100 packet
Mould group bottom case 110 is included, installs in the positive LED lamp panel 120 of mould group bottom case 110 and installs in pair at 110 back side of mould group bottom case
Driving signal, data and the power connection feet of LED lamp panel 120 carry out the double needle stand 130 of double copies design, and LED lamp panel 120 is wrapped
Include the electric elements 123 that pcb board 121, several LED lamp beads 122 and several driving LED lamp beads 121 work, several LED lamp beads
122 matrixes are distributed in the front of pcb board 121, and several electric elements 123 are evenly distributed on the back side of pcb board 121, double needle stand
130 are electrically connected with LED lamp panel 120.
In the present embodiment, as shown in Fig. 2, several electric elements 123 are retouched including several bilaterals sweeps Switching Power Supply metal-oxide-semiconductor
1231, several bilaterals, which are retouched, sweeps the back side that Switching Power Supply metal-oxide-semiconductor 1231 is evenly distributed on pcb board 121.Bilateral, which is retouched, sweeps Switching Power Supply
Most important heating element, is evenly distributed on PCB when metal-oxide-semiconductor 1231 is as entire LED display drive circuit works
In the back side consistent heat generation of pcb board 121 when the back side of plate 121 just can be substantially assured that entire LED display drive circuit works.If
Dry electric elements 123 further include several current-limiting resistances, several filter capacitors and several LED lamp bead driving chips, so that several
Electric elements 123 and double needle stand 130 composition drive the LED display driving circuit of several LED lamp beads 122.
Specifically, the LED lamp panel 120 in the present embodiment is high density FR4PCB lamp plate, and mould group bottom case 110 is high-accuracy modeling
Set PC adds fibre fire resistant material bottom case, which is assembled in behind the front of the mould group bottom case 110 through dedicated steel
Screw is fixed.Wherein, the pcb board 121 of the present embodiment is four layers of pcb board of high density, and several LED lamp beads 122 include 6144
SMD1921 lamp bead, is arranged in the front of the pcb board 121 by 2.6mm pitch matrix, the sheet frame outer dimension of pcb board 121 with
Splicing is realized in 332.8*124.8mm perfection, completes 16 when being extended and arranged by 2*3:9 ratio display effect infinities splicing, by 2*7
It completes when a extension arranges close to 3:4 display effect infinities splicing.
The driving principle of 6144 SMD1921 lamp beads is as follows：The LED display driving circuit includes 72 LED lamp beads
Drive IC (chip model：SUM20167), 8 filtering aluminum capacitors, 103 0.1uf capacitors (0603), 72 current-limiting resistances
(0603), 24 bilaterals, which are retouched, sweeps Switching Power Supply metal-oxide-semiconductor (chip model：GM4973) 1231,3 data amplify IC (chip model：
NXP 74HC245PW) and 2 control signal interpretation IC (chip models：74HC138D).6144 SMD1921 lamp beads are horizontal
Laterally 128 vertical 48 points of the arrangements of point * are formed to by 8 column drivings, 48 rows are retouched by 24 bilaterals sweeps Switching Power Supply metal-oxide-semiconductor by four column
It is uniformly distributed and realizes that electric current is uniform, PCB lamp bead is heated evenly, and amplifies IC for clock signal input to IC grades of driving by 3 data
Connection is in series to next group, and signal interpretation is swept to control signal and retouch controlling bilateral at 16 groups of rows and be swept out by 2 control signal interpretation IC
Powered-down source metal-oxide-semiconductor carries out 48 row scannings, and the serial 33R arrangement balance three primary colours of red light driving IC delivery outlet are shown, by 8 filtering aluminium
Capacitor and 103 06030.1uf capacitors are uniformly distributed power filter, 72 0603 current-limiting resistances can according to the batch of lamp bead into
The consistency of row adjusting display brightness.
It is complete with this shown in double needle stand 130 in this implementation, the definition of each pin and function declaration table one specific as follows
Driving signal, data and the power connection feet of pairs of LED lamp panel 120 carry out double copies design.
Table one：The definition of double each pin of needle stand and function declaration
LED display mould group provided by the embodiment of the utility model comprising mould group bottom case is installed in mould group bottom case front
LED lamp panel and installing carried out in the mould group bottom case back side driving signal, data and power connection feet to LED lamp panel it is double standby
The double needle stand of part design.Since in LED lamp panel, the electric elements of several driving LED lamp bead work are evenly distributed on pcb board
The back side, when so that LED lamp panel working, back side consistent heat generation of several electric elements in pcb board, it is ensured that this LED display mould
Group is highlighted the lamp bead solid colour under effect, meanwhile, by the way that driving signal, data, power connection feet are carried out double copies
The double needle stand of design carries out data connection, can effectively improve the stability of product data connection.As it can be seen that this LED display mould
Group can guarantee the lamp bead solid colour being highlighted under effect and effectively improve the stability of product data connection.
The embodiments of the present invention is explained in detail in conjunction with attached drawing above, but the utility model is not limited to be retouched
The embodiment stated.For a person skilled in the art, right in the case where not departing from the utility model principle and spirit
These embodiments carry out a variety of change, modification, replacement and modification, still fall in the protection scope of the utility model.
Claims (3)
1. a kind of LED display mould group, which is characterized in that the LED display mould group includes mould group bottom case, installs in the mould
Group bottom case positive LED lamp panel and install in the mould group bottom case back side to the driving signal of the LED lamp panel, data and
Power connection feet carries out the double needle stand of double copies design, and the LED lamp panel includes pcb board, several LED lamp beads and several drives
The electric elements of the LED lamp bead work are moved, several LED lamp bead matrixes are distributed in the front of the pcb board, described several
Electric elements are evenly distributed on the back side of the pcb board, and the double needle stand and the LED lamp panel are electrically connected.
2. LED display mould group as described in claim 1, which is characterized in that several electric elements include several bilaterals
It retouches and sweeps Switching Power Supply metal-oxide-semiconductor, several bilaterals, which are retouched, sweeps the back side that Switching Power Supply metal-oxide-semiconductor is evenly distributed on the pcb board.
3. LED display mould group as described in claim 1, which is characterized in that several electric elements further include several limits
Leakage resistance, several filter capacitors and several LED lamp bead driving chips, so that several electric elements and the double needle stand
Composition drives the LED display driving circuit of several LED lamp beads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820717204.0U CN208173143U (en) | 2018-05-14 | 2018-05-14 | LED display mould group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820717204.0U CN208173143U (en) | 2018-05-14 | 2018-05-14 | LED display mould group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208173143U true CN208173143U (en) | 2018-11-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820717204.0U Active CN208173143U (en) | 2018-05-14 | 2018-05-14 | LED display mould group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208173143U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109493749A (en) * | 2019-01-23 | 2019-03-19 | 金罡视觉技术（深圳）有限公司 | A kind of mounting structure and installation method of frameless transparency LED display screen |
-
2018
- 2018-05-14 CN CN201820717204.0U patent/CN208173143U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109493749A (en) * | 2019-01-23 | 2019-03-19 | 金罡视觉技术（深圳）有限公司 | A kind of mounting structure and installation method of frameless transparency LED display screen |
| CN109493749B (en) * | 2019-01-23 | 2024-01-30 | 金罡视觉技术（深圳）有限公司 | Mounting structure and mounting method of frameless transparent LED display screen |
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