CN205546068U - Three -dimensional LED show equipment of modified - Google Patents
Three -dimensional LED show equipment of modified Download PDFInfo
- Publication number
- CN205546068U CN205546068U CN201620153041.9U CN201620153041U CN205546068U CN 205546068 U CN205546068 U CN 205546068U CN 201620153041 U CN201620153041 U CN 201620153041U CN 205546068 U CN205546068 U CN 205546068U
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- China
- Prior art keywords
- amplifier
- electric capacity
- resistance
- input end
- fortune
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a three -dimensional LED show equipment of modified, including a plurality of LED display panel, the LED display panel is connected to the power input through voltage stabilizing module and holds, voltage stabilizing module includes that first fortune puts, reverse input end that first fortune was put is held to the power input through the first electric capacity of establishing ties and the 2nd capacitance connection, through a grounding between first electric capacity and the second electric capacity, the positive going input end that first fortune was put is through the 2nd grounding, the output that reverse input end that first fortune was put through third ohmic connection to first fortune, the output of putting to first fortune through the 3rd capacitance connection between first electric capacity and the second electric capacity, the reverse input end of putting is transported to the output that first fortune was put through fourth ohmic connection to second, the positive going input end that second fortune was put is through the 5th grounding, connect in parallel and have fourth electric capacity in the both ends of fourth resistance. The utility model discloses the not enough of prior art can be improved, the brightness uniformity nature between the different LED luminous element has been improved.
Description
Technical field
This utility model relates to a kind of LED display, the three-dimensional LED exhibition of a kind of improvement
Show equipment.
Background technology
Along with the development of LED technology, the application of three-dimensional LED equipment is more and more extensive.China is real
Disclose a kind of three-dimensional LED display device with new patent CN 204010559 U, improve LED's
Display effect.But, this three-dimensional LED presentation device is all to consist of substantial amounts of LED illuminator
, the most serious harmonic wave interference can be there is between different LED illuminator, cause different LED luminous
Luminosity between body can occur fluctuation change.
Utility model content
The technical problems to be solved in the utility model is to provide the three-dimensional LED presentation device of a kind of improvement,
Can solve the problem that the deficiencies in the prior art, improve the brightness uniformity between different LED illuminator.
For solving above-mentioned technical problem, technical solution adopted in the utility model is as follows.
The three-dimensional LED presentation device of a kind of improvement, including several LED display board, LED display board
Being connected to power input by Voltage stabilizing module, described Voltage stabilizing module includes the first amplifier, the first fortune
The reverse input end put is connected to power input by the first electric capacity and second electric capacity of series connection, the
By the first resistance eutral grounding between one electric capacity and the second electric capacity, the positive input of the first amplifier passes through
Second resistance eutral grounding, the reverse input end of the first amplifier is connected to the first amplifier by the 3rd resistance
Outfan, is connected to the output of the first amplifier by the 3rd electric capacity between the first electric capacity and the second electric capacity
End, the outfan of the first amplifier is connected to the reverse input end of the second amplifier by the 4th resistance, the
The positive input of two amplifiers passes through the 5th resistance eutral grounding, and the two ends of the 4th resistance are parallel with the 4th electricity
Holding, the reverse input end of the second amplifier is connected to the outfan of the second amplifier by the 6th resistance, the
The outfan of two amplifiers is connected to LED display board by the 7th resistance, and the outfan of the second amplifier leads to
Crossing the 8th resistance and be connected to the reverse input end of the 3rd amplifier, the positive input of the 3rd amplifier passes through
9th resistance eutral grounding, the reverse input end of the 3rd amplifier the 5th electric capacity in parallel and the tenth resistance
Being connected to the outfan of the 3rd amplifier, the outfan of the 3rd amplifier is connected to first by the 6th electric capacity
The outfan of amplifier.
What employing technique scheme was brought has the beneficial effects that: this utility model is steady by arranging
Die block carries out filtering voltage stabilizing.Input voltage first passes through the harmonic component that it is comprised by the first amplifier
Filtering, the high-frequency harmonic comprised in the second amplifier is to input voltage the most again separates,
And feed back to the first amplifier by the 3rd amplifier, thus change filtering according to the harmonic wave of input voltage
Process adjusts in real time, improves the stability of input terminal voltage, it is ensured that different LED are luminous
The uniformity of brightness between body.
Accompanying drawing explanation
Fig. 1 is the structure chart of one detailed description of the invention of this utility model.
Fig. 2 is the circuit diagram of Voltage stabilizing module in one detailed description of the invention of this utility model.
In figure: 1, LED display board；2, Voltage stabilizing module；3, power input；R1, the first electricity
Resistance；R2, the second resistance；R3, the 3rd resistance；R4, the 4th resistance；R5, the 5th resistance；R6、
6th resistance；R7, the 7th resistance；R8, the 8th resistance；R9, the 9th resistance；R10, the tenth electricity
Resistance；C1, the first electric capacity；C2, the second electric capacity；C3, the 3rd electric capacity；C4, the 4th electric capacity；C5、
5th electric capacity；C6, the 6th electric capacity；A1, the first amplifier；A2, the second amplifier；A3, the 3rd fortune
Put.
Detailed description of the invention
With reference to Fig. 1-2, one detailed description of the invention of this utility model includes several LED display board 1,
LED display board 1 is connected to power input 3 by Voltage stabilizing module 2, and described Voltage stabilizing module 2 includes
First amplifier A1, the reverse input end of the first amplifier A1 is by the first electric capacity C1 and second of series connection
Electric capacity C2 is connected to power input 3, by first between the first electric capacity C1 and the second electric capacity C2
Resistance R1 ground connection, the positive input of the first amplifier A1 passes through the second resistance R2 ground connection, the first fortune
The reverse input end putting A1 is connected to the outfan of the first amplifier A1 by the 3rd resistance R3, and first
It is connected to the output of the first amplifier A1 by the 3rd electric capacity C3 between electric capacity C1 and the second electric capacity C2
End, the outfan of the first amplifier A1 is connected to the most defeated of the second amplifier A2 by the 4th resistance R4
Entering end, the positive input of the second amplifier A2 passes through the 5th resistance R5 ground connection, the 4th resistance R4's
Two ends are parallel with the 4th electric capacity C4, and the reverse input end of the second amplifier A2 is by the 6th resistance R6 even
Being connected to the outfan of the second amplifier A2, the outfan of the second amplifier A2 is connected by the 7th resistance R7
To LED display board 1, the outfan of the second amplifier A2 is connected to the 3rd amplifier by the 8th resistance R8
The reverse input end of A3, the positive input of the 3rd amplifier A3 passes through the 9th resistance R9 ground connection, the
The reverse input end of three amplifiers A3 the 5th electric capacity C5 in parallel and the tenth resistance R10 is connected to
The outfan of the 3rd amplifier A3, the outfan of the 3rd amplifier A3 is connected to by the 6th electric capacity C6
The outfan of one amplifier A1.
Wherein, the first resistance R1 is 230k Ω, and the second resistance R2 is 100k Ω, the 3rd resistance R3
Being 50k Ω for 120k Ω, the 4th resistance R4, the 5th resistance R5 is 145k Ω, the 6th resistance R6
Being 200k Ω for 135k Ω, the 7th resistance R7, the 8th resistance R8 is 155k Ω, the 9th resistance
R9 is 75k Ω, and the tenth resistance R10 is 100k Ω.First electric capacity C1 is 150 μ F, second
Electric capacity C2 is 100 μ F, and the 3rd electric capacity C3 is 73 μ F, and the 4th electric capacity C4 is 95 μ F, the 5th
Electric capacity C5 is 220 μ F, and the 6th electric capacity C6 is 134 μ F.
The concrete structure of LED display board has been carried out filling in the patent documentation that background technology is quoted
The disclosure divided, is not described in detail in this.Power input uses commercial power supply.
Of the present utility model ultimate principle and principal character and this utility model have more than been shown and described
Advantage.Skilled person will appreciate that of the industry, this utility model is not limited by above-described embodiment
System, simply illustrates principle of the present utility model described in above-described embodiment and description, is not taking off
On the premise of this utility model spirit and scope, this utility model also has various changes and modifications,
In the range of these changes and improvements both fall within claimed this utility model.This utility model requirement
Protection domain is defined by appending claims and equivalent thereof.
Claims (1)
1. the three-dimensional LED presentation device improved, including several LED display board (1), LED
Display panel (1) is connected to power input (3) by Voltage stabilizing module (2), it is characterised in that:
Described Voltage stabilizing module (2) includes the first amplifier (A1), the reverse input end of the first amplifier (A1)
The first electric capacity (C1) and the second electric capacity (C2) by series connection are connected to power input (3),
By the first resistance (R1) ground connection between first electric capacity (C1) and the second electric capacity (C2), first
The positive input of amplifier (A1) passes through the second resistance (R2) ground connection, the first amplifier (A1)
Reverse input end is connected to the outfan of the first amplifier (A1) by the 3rd resistance (R3), and first
It is connected to the first amplifier by the 3rd electric capacity (C3) between electric capacity (C1) and the second electric capacity (C2)
(A1) outfan, the outfan of the first amplifier (A1) is connected to by the 4th resistance (R4)
The reverse input end of the second amplifier (A2), the positive input of the second amplifier (A2) passes through the 5th
Resistance (R5) ground connection, the two ends of the 4th resistance (R4) are parallel with the 4th electric capacity (C4), the second fortune
The reverse input end putting (A2) is connected to the defeated of the second amplifier (A2) by the 6th resistance (R6)
Going out end, the outfan of the second amplifier (A2) is connected to LED display board by the 7th resistance (R7)
(1), the outfan of the second amplifier (A2) is connected to the 3rd amplifier (A3) by the 8th resistance (R8)
Reverse input end, the positive input of the 3rd amplifier (A3) pass through the 9th resistance (R9) ground connection,
The reverse input end of the 3rd amplifier (A3) the 5th electric capacity (C5) in parallel and the tenth resistance (R10)
Being connected to the outfan of the 3rd amplifier (A3), the outfan of the 3rd amplifier (A3) is by the 6th electricity
Hold (C6) and be connected to the outfan of the first amplifier (A1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620153041.9U CN205546068U (en) | 2016-03-01 | 2016-03-01 | Three -dimensional LED show equipment of modified |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620153041.9U CN205546068U (en) | 2016-03-01 | 2016-03-01 | Three -dimensional LED show equipment of modified |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205546068U true CN205546068U (en) | 2016-08-31 |
Family
ID=56780132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620153041.9U Expired - Fee Related CN205546068U (en) | 2016-03-01 | 2016-03-01 | Three -dimensional LED show equipment of modified |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205546068U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111416588A (en) * | 2020-04-17 | 2020-07-14 | 濮阳市中原石化实业有限公司 | Wind power self-stabilizing system for wind head of film blowing machine |
-
2016
- 2016-03-01 CN CN201620153041.9U patent/CN205546068U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111416588A (en) * | 2020-04-17 | 2020-07-14 | 濮阳市中原石化实业有限公司 | Wind power self-stabilizing system for wind head of film blowing machine |
| CN111416588B (en) * | 2020-04-17 | 2024-01-30 | 濮阳市中原石化实业有限公司 | Wind head and wind power self-stabilizing system of film blowing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160831 Termination date: 20170301 |