CN206516328U - A kind of high brightness low energy consumption LED display drive circuit board - Google Patents
A kind of high brightness low energy consumption LED display drive circuit board Download PDFInfo
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- CN206516328U CN206516328U CN201621326905.9U CN201621326905U CN206516328U CN 206516328 U CN206516328 U CN 206516328U CN 201621326905 U CN201621326905 U CN 201621326905U CN 206516328 U CN206516328 U CN 206516328U
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Abstract
The utility model provides a kind of high brightness low energy consumption LED display drive circuit board, including LED lamp panel and the control panel for being welded with multiple control components；Component is controlled to include parallel arrangement of 74HC245 driving chips, several 5026 constant-current driven chips, 74HC138 driving chips, several 4953 control chips and power supply terminal；Control panel two ends end sets input row's pin and output row's pin respectively, the design carries out the shaping and enhancing of signal using 74HC245 driving chips, each 5026 constant-current driven chip is transmitted a signal to after the completion of processing respectively and 74HC138 driving chips carry out the row driving and row driving of LED lamp panel, in actual moving process, as a result of 5026 constant-current driven chips of high current, so that the display effect of whole LED lamp panel is strengthened, and more save.
Description
[technical field]
The utility model is related to LED drive circuit system, more particularly to a kind of simple in construction, and using effect is good, energy-saving ring
The high brightness low energy consumption LED display drive circuit board of guarantor.
[background technology]
In the last few years, LED technology had obtained development at full speed, and increasing industry lighting system is all used successively
LED is substituted, especially LED display, is obtained for and is widely applied in many fields.
LED display conventional at present can be divided into 2 sweep, 4 sweep, 8 sweep and 16 sweep display screen, different strafes frequency needs
Different drive circuits and driving chip are driven, and all having differences property in terms of brightness, sensitivity how could
By using less driving current, the display effect of equivalent brightness is reached, is the more scabrous problem in this area.With each row
Each industry all advocates energy-conserving and environment-protective, resources effective utilization successively, and LED shows that the widely available of industry also causes it to be increasingly becoming energy-conservation
The main force of environmental protection.
Based on above mentioned problem, those skilled in the art has carried out substantial amounts of research and development and experiment, from specific driving part,
Connected mode, structure construction etc. many-side start with, be targetedly improved and improve, and achieve preferable achievement.
[utility model content]
To overcome the problems of prior art, the utility model provides a kind of simple in construction, and using effect is good, energy-conservation
The high brightness low energy consumption LED display drive circuit board of environmental protection.
The scheme that the utility model solves technical problem is to provide a kind of high brightness low energy consumption LED display drive circuit
Plate, including LED lamp panel and be arranged at LED back, be welded with it is multiple control components control panel；The first device of control
Part, which includes parallel arrangement of at least two, to be used to carry out the 74HC245 driving chips of signal enhancing, several 5026 constant currents driving
Chip, 74HC138 driving chips, several 4953 control chips and provide plant-grid connection mouthful to LED lamp panel and control panel
Power supply terminal；
Be respectively arranged with the control panel two ends end connection external signal input devices input row's pin and can be with
It is controlled output row's pin of cascade Connection between plate；
The input row pin receives external input signal, and input signal is transferred into each 74HC245 driving chips,
74HC245 driving chips transmit a signal to each 5026 constant-current driven chip and 74HC138 driving cores after handling signal
Piece, the row that 5026 constant-current driven chips carry out LED lamp panel according to the signal of acquisition drive；74HC138 driving chips, which are received, to be come
Signal is handled from after the signal of 74HC245 driving chips, and transmits control signal to 4953 control chips, 4953 controls
The row that chip carries out LED lamp panel according to the signal of acquisition drives.
Preferably, several described 4953 control chips are divided into the pars intermedia that two equal rows of quantity are arranged at control panel
Position；And power supply terminal is arranged between the control chip of two row 4953.
Preferably, the 74HC138 driving chips are located between the control chip of two row 4953, are set close to power supply terminal
Put.
Preferably, four diagonal angles of each 74HC245 driving chips set 5026 constant-current driven chips respectively.
Preferably, the quantity of 5026 constant-current driven chips is eight, the quantity of 74HC245 driving chips on the control panel
For two；Each 74HC245 driving chips are correspondingly arranged four 5026 constant-current driven chips, and 74HC138 driving chips and 4953
Control chip is arranged between two groups of 74HC245 driving chips and 5026 constant-current driven chips.
Preferably, the power supply terminal is 5V voltage wiring terminals.
Preferably, the quantity of the control chip of each row 4953 is four.
Preferably, input row's pin and row's pin that output row's pin is 2.54mm spacing.
Compared with prior art, a kind of high brightness low energy consumption LED display drive circuit board of the utility model passes through in control
74HC245 driving chips, several 5026 constant-current driven chips, 74HC138 driving chips and some are arranged in making sheet simultaneously
Individual 4953 control chip, input row's pin is received after external input signal is transferred to 74HC245 driving chips by input signal, enters
The shaping and enhancing of row signal, transmit a signal to each 5026 constant-current driven chip and 74HC138 drivings respectively after the completion of processing
Chip carries out the row driving and row driving of LED lamp panel, and in actual moving process, 5026 constant currents as a result of high current are driven
Dynamic chip so that the display effect of whole LED lamp panel is strengthened, and more saves.
[brief description of the drawings]
Fig. 1 is a kind of positive structure schematic of high brightness low energy consumption LED display drive circuit board of the utility model.
Fig. 2 is a kind of structure schematic diagram of high brightness low energy consumption LED display drive circuit board of the utility model.
[embodiment]
To make the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with drawings and Examples,
The utility model is further elaborated.It should be appreciated that specific embodiment described herein is used only for explaining this
Utility model, is not used to limit this utility model.
Fig. 1 and Fig. 2 are referred to, a kind of high brightness low energy consumption LED display drive circuit board 1 of the utility model includes LED
Lamp plate 11 and be arranged at the back side of LED lamp panel 11, be welded with it is multiple control components control panel 13；The control component bag
Including parallel arrangement of at least two is used to carry out the 74HC245 driving chips 131 of signal enhancing, several 5026 constant currents driving core
Piece 135,74HC138 driving chips 137, several 4953 control chips 132 and provide electricity to LED lamp panel 11 and control panel 13
The power supply terminal 133 of source access port；
Be respectively arranged with the two ends end of control panel 13 connection external signal input devices input row pin 136 with
And output row's pin 134 of cascade Connection between plate 13 can be controlled；
The input row pin 136 receives external input signal, and input signal is transferred into each 74HC245 driving chips
131,74HC245 driving chips 131 transmitted a signal to after handling signal each 5026 constant-current driven chip 135 and
The row that the constant-current driven chip 135 of 74HC138 driving chips 137,5026 carries out LED lamp panel 11 according to the signal of acquisition drive；
74HC138 driving chips 137 are handled signal after receiving the signal from 74HC245 driving chips 131, and are transmitted
Control signal drives to the row that the control chip 132 of 4953 control chip 132,4953 carries out LED lamp panel 11 according to the signal of acquisition.
By arranged simultaneously on control panel 13 74HC245 driving chips 131, several 5026 constant-current driven chips 135,
74HC138 driving chips 137 and several 4953 control chips 132, input row's pin 136 are received after external input signal
Input signal is transferred to 74HC245 driving chips, the shaping and enhancing of signal is carried out, is transmitted a signal to respectively after the completion of processing
Each 5026 constant-current driven chip 135 and 74HC138 driving chips 137 carry out the row driving and row driving of LED lamp panel 11,
In actual moving process, as a result of 5026 constant-current driven chips 135 of high current so that the display of whole LED lamp panel 11
Effect is strengthened, and more saves.
Preferably, several described 4953 control chips 132 are divided into two equal rows of quantity and are arranged in control panel 13
Between position；And power supply terminal 133 is arranged between the control chip 132 of two row 4953.
Preferably, the 74HC138 driving chips 137 are located between the control chip 132 of two row 4953, close to power supply wiring
Terminal 133 is set.
Preferably, four diagonal angles of each 74HC245 driving chips 131 set a 5026 constant currents driving respectively
Chip 135.
Preferably, the quantity of 5026 constant-current driven chips 135 is eight, 74HC245 driving chips on the control panel 13
131 quantity is two；Each 74HC245 driving chips 131 are correspondingly arranged four 5026 constant-current driven chips 135, and 74HC138
The control chip 132 of driving chip 137 and 4953 is arranged at two groups of constant-current driven chips of 74HC245 driving chips 131 and 5026
Between 135.
Preferably, the power supply terminal 133 is 5V voltage wiring terminals.
Preferably, the quantity of the control chip 132 of each row 4953 is four.
Preferably, input row's pin 136 and row's pin that output row's pin 134 is 2.54mm spacing.
Compared with prior art, a kind of high brightness low energy consumption LED display drive circuit board 1 of the utility model by
74HC245 driving chips 131, several 5026 constant-current driven chips 135,74HC138 driving cores are arranged on control panel 13 simultaneously
Piece 137 and several 4953 control chips 132, input row's pin 136, which is received after external input signal, transmits input signal
74HC245 driving chips are given, the shaping and enhancing of signal is carried out, each 5026 constant current driving is transmitted a signal to after the completion of processing respectively
Chip 135 and 74HC138 driving chips 137 carry out the row driving and row driving of LED lamp panel 11, in actual moving process,
As a result of 5026 constant-current driven chips 135 of high current so that the display effect of whole LED lamp panel 11 is strengthened, and more
Energy-conservation.
Above-described the utility model embodiment, does not constitute the restriction to the utility model protection domain.It is any
Modifications, equivalent substitutions and improvements made within spirit of the present utility model and principle etc., should be included in the utility model
Claims within.
Claims (8)
1. a kind of high brightness low energy consumption LED display drive circuit board, it is characterised in that：Including LED lamp panel and it is arranged at LED
The lamp plate back side, the control panel for being welded with multiple control components；The control component includes parallel arrangement of at least two and used
In carry out the 74HC245 driving chips of signal enhancing, several 5026 constant-current driven chips, 74HC138 driving chips, several
4953 control chips and the power supply terminal that plant-grid connection mouthful is provided to LED lamp panel and control panel；
Input row's pin of connection external signal input devices is respectively arranged with control panel two ends end and can be carried out
Output row's pin of cascade Connection between control panel；
The input row pin receives external input signal, and input signal is transferred into each 74HC245 driving chips, 74HC245
Driving chip transmits a signal to each 5026 constant-current driven chip and 74HC138 driving chips, 5026 after handling signal
The row that constant-current driven chip carries out LED lamp panel according to the signal of acquisition drive；74HC138 driving chips, which are received, to be come from
Signal is handled after the signal of 74HC245 driving chips, and transmits control signal to 4953 control chips, 4953 control cores
The row that piece carries out LED lamp panel according to the signal of acquisition drives.
2. a kind of high brightness low energy consumption LED display drive circuit board as claimed in claim 1, it is characterised in that：If described
Dry 4953 control chip are divided into the middle part that two equal rows of quantity are arranged at control panel；And power supply terminal is arranged at
Between the control chip of two row 4953.
3. a kind of high brightness low energy consumption LED display drive circuit board as claimed in claim 2, it is characterised in that：It is described
74HC138 driving chips are located between the control chip of two row 4953, are set close to power supply terminal.
4. a kind of high brightness low energy consumption LED display drive circuit board as described in claim 1 or 3, it is characterised in that：It is described
Four diagonal angles of each 74HC245 driving chips set 5026 constant-current driven chips respectively.
5. a kind of high brightness low energy consumption LED display drive circuit board as claimed in claim 4, it is characterised in that：The control
The quantity of 5026 constant-current driven chips is eight in making sheet, and the quantity of 74HC245 driving chips is two；Each 74HC245 drivings
Chip is correspondingly arranged four 5026 constant-current driven chips, and 74HC138 driving chips and 4953 control chips are arranged at two groups
Between 74HC245 driving chips and 5026 constant-current driven chips.
6. a kind of high brightness low energy consumption LED display drive circuit board as claimed in claim 1, it is characterised in that：The electricity
Source binding post is 5V voltage wiring terminals.
7. a kind of high brightness low energy consumption LED display drive circuit board as claimed in claim 2 or claim 3, it is characterised in that：It is described
The quantity of 4953 control chips of each row is four.
8. a kind of high brightness low energy consumption LED display drive circuit board as claimed in claim 1, it is characterised in that：It is described defeated
Enter to arrange the row's pin of pin and output row's pin for 2.54mm spacing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621326905.9U CN206516328U (en) | 2016-12-06 | 2016-12-06 | A kind of high brightness low energy consumption LED display drive circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621326905.9U CN206516328U (en) | 2016-12-06 | 2016-12-06 | A kind of high brightness low energy consumption LED display drive circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206516328U true CN206516328U (en) | 2017-09-22 |
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ID=59861995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621326905.9U Active CN206516328U (en) | 2016-12-06 | 2016-12-06 | A kind of high brightness low energy consumption LED display drive circuit board |
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| CN (1) | CN206516328U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107705749A (en) * | 2017-10-13 | 2018-02-16 | 郑州云海信息技术有限公司 | A kind of display drive method and device |
-
2016
- 2016-12-06 CN CN201621326905.9U patent/CN206516328U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107705749A (en) * | 2017-10-13 | 2018-02-16 | 郑州云海信息技术有限公司 | A kind of display drive method and device |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171212 Address after: A road 518000 in Guangdong province Shenzhen City Pingshan Kengzi Jinsha Street Community Industrial 8 No. 1 Building 2 floor Patentee after: Shenzhen Chengxin HENGJIA Technology Co. Ltd. Address before: 518000 2 Building No. 01, building B, No. 1, No. 1, Xue Gang North Road, Xue Gang North Road, Bantian street, Longgang District, Guangdong Patentee before: Shenzhen HGD Technology Co., Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220411 Address after: 213000 No. 8 Zhengda Road, Lucheng street, Changzhou City, Jiangsu Province Patentee after: Changzhou Shuanglong Auto Parts Manufacturing Co.,Ltd. Address before: 518000 2nd floor, building 1, No.8, Gongye 1st Road, Jinsha community, Kengzi street, Pingshan District, Shenzhen City, Guangdong Province Patentee before: Shenzhen Chengxin HENGJIA Technology Co.,Ltd. |