CN203607083U - Energy-saving LED display screen - Google Patents
Energy-saving LED display screen Download PDFInfo
- Publication number
- CN203607083U CN203607083U CN201320630556.XU CN201320630556U CN203607083U CN 203607083 U CN203607083 U CN 203607083U CN 201320630556 U CN201320630556 U CN 201320630556U CN 203607083 U CN203607083 U CN 203607083U
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- fluorescent tube
- led
- driver
- led lamp
- power supply
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Abstract
The utility model discloses an energy-saving LED display screen, and the LED display screen comprises an LED module group, a power supply module, a box body, and a control system. The LED module group comprises a lamp panel, an LED lamp tube, and a driver board. The LED lamp tube comprises a read LED lamp tube, a green LED lamp tube, and a blue LED lamp tube. One end of the green LED lamp tube is in series connection with a first driver. One end of the blue LED lamp tube is in series connection with a second driver. The positive end of the green LED lamp tube and the positive end of the blue LED lamp tube are jointly connected with a first power supply. One end of the red LED lamp tube is in series connection with a third driver. The positive end of the red LED lamp tube is connected with a second power supply. According to the connection mode, the drivers just need to use a voltage with a VDS from 0.4V to 0.8V for enabling the VF of the LED lamp to operate normally, thereby greatly reducing the heat consumption of the driver board or a resistor. The positive end of the red LED lamp tube, the green LED lamp and the positive end of the blue LED lamp tube independently employ different voltage for power supply, thereby reducing the power consumption and heat consumption, finally achieving a purpose of energy conservation and emission reduction, and achieving the energy-saving purpose.
Description
[technical field]
The utility model relates to the energy-saving LED display screen of a kind of computing machine or internet or communication aspect.
[background technology]
Along with social technology constantly advances and improves, be accompanied by LED display industry and related to all trades and professions industry, for example automobile, advertisement and building decoration etc. described LED display is the display screen that the bright or realization of going out of the LED by controlling multiple redness, green, blueness shows various information.Described LED display comprises LED module, supply module, casing and control system.Described LED module comprises for controlling the lamp plate that light emitting diode is bright or go out, is connected to the fluorescent tube on lamp plate and is welded in the drive plate on lamp plate.As shown in Figure 1, in common LED display screen, supply module is to be DC5V Power supply, the voltage VDS of described drive plate output pin must guarantee 0.8V to 1.5V ability constant current output, described red LED lamp all adopts the VF magnitude of voltage of 2.0-2.4V, the VF magnitude of voltage that blueness and green LED lamp are 3.2-3.5.When use, described red LED lamp, blue led lamp, after green LED lamp is connected in series with corresponding driver respectively, more respectively by supply module DC5V Power supply, so that each red LED lamp or green LED lamp or blue led lamp normally move.Because described red LED lamp is the VF magnitude of voltage of 2.0-2.4V, must increase in actual use blast resistance, while causing using, generating portion power loses in hot mode.The VF magnitude of voltage that is 3.2-3.5 due to red LED lamp and green LED lamp again, in the scope of voltage VDS of guaranteeing drive plate output pin, during at 0.8V to 1.5V, drive plate itself also can produce larger heat, finally all loses in hot mode.Based on above-mentioned, this kind of connected mode, easily waste is a large amount of.
[utility model content]
Technical purpose of the present utility model is to have technical matters and a kind of energy-saving LED display screen of saving the energy is provided in order to solve above-mentioned prior art.
In order to realize above-mentioned technical matters, the utility model provides a kind of energy-saving LED display screen, it comprises LED module, supply module, casing and control system, described LED module comprises for controlling the lamp plate that light emitting diode is bright or go out, is connected to the LED fluorescent tube on lamp plate and is welded in the drive plate on lamp plate; Described LED fluorescent tube comprises red LED fluorescent tube, green LED fluorescent tube and blue led fluorescent tube, and described green LED fluorescent tube one end and the first driver are connected in series, and the positive terminal of described green LED fluorescent tube is connected with the first power supply; Described blue led fluorescent tube one end and the second driver are connected in series, and the positive terminal of described blue led fluorescent tube is connected with the first power supply, and described green LED fluorescent tube positive terminal is connected with the first power supply jointly with blue led fluorescent tube positive terminal; Described red LED fluorescent tube one end and the 3rd driver are connected in series, and the positive terminal of described red LED fluorescent tube is connected with the second power supply.
According to above-mentioned technical characteristics, described the first driver, the second driver, the 3rd driver are respectively that the driving chip that is MB15035 by model forms.
According to above-mentioned technical characteristics, the first described power supply is DC3.8V-4.2V power end, and the second described power supply is DC2.8V-3.3V power end.
According to above-mentioned technical characteristics, described drive plate comprises driving main body, signal input interface, signal output interface, bus driver, 318 code translators, line scanning field effect transistor, LED constant-flow driver, described signal input interface is arranged at and drives main body one end, and signal output interface is arranged at the driving main body other end, described bus driver is arranged at signal input interface inner side, 318 described code translators are arranged at signal input interface inner side, described LED constant-flow driver is arranged at respectively and drives periphery, main body both sides, described line scanning field effect transistor drives respectively the periphery of main body both sides, and described line scanning field effect transistor is positioned at the inner side that described LED constant current drives.
According to above-mentioned technical characteristics, on described lamp plate, be provided with face shield fixed orifice is installed, this face shield is installed between fixed orifice and face shield installation fixed orifice and is provided with pcb board fixed orifice, on described lamp plate, be provided with the LED device group that a plurality of matrix-style are arranged, this LED device group comprises the red LED device be arrangeding in parallel, blue led device, is arranged at the green LED device of red LED device and blue led device one side.
Useful technique effect of the present utility model: because described green LED fluorescent tube one end and the first driver are connected in series, the positive terminal of described green LED fluorescent tube is connected with the first power supply; Described blue led fluorescent tube one end and the second driver are connected in series, and the positive terminal of described blue led fluorescent tube is connected with the first power supply, and described green LED fluorescent tube positive terminal is connected with the first power supply jointly with blue led fluorescent tube positive terminal; Described red LED fluorescent tube one end and the 3rd driver are connected in series, and the positive terminal of described red LED fluorescent tube is connected with the second power supply.This kind of connected mode, described driver only need to use VDS normally to move for 0.4V to 0.8V voltage just can make the VF of LED lamp, greatly reduces the heat rejection of drive plate or resistance.Described red LED lamp, blue led lamp and green LED lamp adopt extremely three-in-one or Three kinds of hors d'oeuvres one mode of non-common anode to be welded on lamp plate, by positive pole and the green LED lamp of red LED lamp, the positive pole of blue led lamp separately uses different voltage to power, reduce power consumption and thermal losses, finally reach the object of energy-saving and emission-reduction, therefore greatly energy-conservation object.
Below in conjunction with drawings and Examples, the technical solution of the utility model is described in further detail.
[accompanying drawing explanation]
Fig. 1 is the circuit diagram of common LED display screen in prior art;
Fig. 2 is the circuit diagram of energy-saving LED display screen in the utility model;
Fig. 3 is the circuit diagram of drive plate in the utility model;
Fig. 4 is the circuit diagram of lamp plate in the utility model.
[embodiment]
Please refer to described in Fig. 2 to Fig. 4, below in conjunction with specific embodiment, a kind of energy-saving LED display screen is described, it comprises LED module, supply module, casing and control system.
Described LED module comprises for controlling the lamp plate that light emitting diode is bright or go out, is connected to the LED fluorescent tube on lamp plate and is welded in the drive plate on lamp plate.
Described LED fluorescent tube comprises red LED fluorescent tube, green LED fluorescent tube and blue led fluorescent tube, and described green LED fluorescent tube one end and the first driver are connected in series, and the positive terminal of described green LED fluorescent tube is connected with the first power supply.Described blue led fluorescent tube one end and the second driver are connected in series, and the positive terminal of described blue led fluorescent tube is connected with the first power supply, and described green LED fluorescent tube positive terminal is connected with the first power supply jointly with blue led fluorescent tube positive terminal.Described red LED fluorescent tube one end and the 3rd driver are connected in series, and the positive terminal of described red LED fluorescent tube is connected with the second power supply.Described the first driver, the second driver, the 3rd driver are respectively that the driving chip that is MB15035 by model forms.The first described power supply is DC3.8V-4.2V power end, and the second described power supply is DC2.8V-3.3V power end.
Described drive plate comprises driving main body 1, signal input interface 2, signal output interface 3, bus driver 4, 318 code translators 5, line scanning field effect transistor 6, LED constant-flow driver 7, described signal input interface 2 is arranged at and drives main body 1 one end, and signal output interface 3 is arranged at driving main body 1 other end, described bus driver 4 is arranged at signal input interface 2 inner sides, 318 described code translators 5 are arranged at signal input interface 2 inner sides, described LED constant-flow driver 7 is arranged at respectively and drives main body 1 periphery, both sides, described line scanning field effect transistor 6 drives respectively the periphery of main body 1 both sides, and described line scanning field effect transistor 6 is positioned at the inner side of described LED constant-flow driver 7.
On described lamp plate, be provided with face shield fixed orifice 8 is installed, this face shield is installed between fixed orifice 8 and face shield installation fixed orifice 8 and is provided with pcb board fixed orifice 9, on described lamp plate, be provided with the LED device group that a plurality of matrix-style are arranged, this LED device group comprises the red LED device 10 be arrangeding in parallel, blue led device 11, is arranged at the green LED device 12 of red LED device 10 and blue led device 11 1 sides.
Principle of work: described green LED device 12 and blue led device 11 connect jointly, common for a power supply, and be combined into a full color pixel with red LED device 10, and some full dish pixels are arranged in to the display of plane according to matrix form, be LED display.Described controller output control signal, after signal input interface 2 enters, after signal being amplified through bus driver 4, red LED lamp, the data-signal of green LED lamp and blue led lamp is linked into LED constant-flow driver 7, this LED constant-flow driver 7 changes serial data into parallel data, and LED lamp is controlled in output.After row control signal scan screen, after amplifying, bus driver 4 directly controls line scanning field effect transistor 6, static screen is without row control signal, the positive pole of line scanning field effect transistor control LED lamp, separate and use different voltage from blue led lamp, green LED lamp positive pole at red LED lamp positive pole, in the identical situation of working current, can reduce power consumption, heat generation is also less simultaneously.In the time of production, lamp plate and drive plate need be welded together.
In sum, because described green LED fluorescent tube one end and the first driver are connected in series, the positive terminal of described green LED fluorescent tube is connected with the first power supply; Described blue led fluorescent tube one end and the second driver are connected in series, and the positive terminal of described blue led fluorescent tube is connected with the first power supply, and described green LED fluorescent tube positive terminal is connected with the first power supply jointly with blue led fluorescent tube positive terminal; Described red LED fluorescent tube one end and the 3rd driver are connected in series, and the positive terminal of described red LED fluorescent tube is connected with the second power supply.This kind of connected mode, described driver only need to use VDS for 0.4V to 0.8V voltage just can make the normal operation of the VF of LED lamp, greatly reduces the heat rejection of drive plate or resistance.Described red LED lamp, blue led lamp and green LED lamp adopt extremely three-in-one or Three kinds of hors d'oeuvres one mode of non-common anode to be welded on lamp plate, by positive pole and the green LED lamp of red LED lamp, the positive pole of blue led lamp separately uses different voltage to power, reduce power consumption and thermal losses, finally reach the object of energy-saving and emission-reduction, therefore greatly energy-conservation object.
Claims (5)
1. an energy-saving LED display screen, it comprises LED module, supply module, casing and control system, described LED module comprises for controlling the lamp plate that light emitting diode is bright or go out, is connected to the LED fluorescent tube on lamp plate and is welded in the drive plate on lamp plate; Described LED fluorescent tube comprises red LED fluorescent tube, and green LED fluorescent tube and blue led fluorescent tube, is characterized in that: described green LED fluorescent tube one end and the first driver are connected in series, and the positive terminal of described green LED fluorescent tube is connected with the first power supply; Described blue led fluorescent tube one end and the second driver are connected in series, and the positive terminal of described blue led fluorescent tube is connected with the first power supply, and described green LED fluorescent tube positive terminal is connected with the first power supply jointly with blue led fluorescent tube positive terminal; Described red LED fluorescent tube one end and the 3rd driver are connected in series, and the positive terminal of described red LED fluorescent tube is connected with the second power supply.
2. energy-saving LED display screen according to claim 1, is characterized in that: described the first driver, the second driver, the 3rd driver are respectively that the driving chip that is MB15035 by model forms.
3. energy-saving LED display screen according to claim 1, is characterized in that: the first described power supply is DC3.8V-4.2V power end, and the second described power supply is DC2.8V-3.3V power end.
4. energy-saving LED display screen according to claim 1, it is characterized in that: described drive plate comprises driving main body, signal input interface, signal output interface, bus driver, 318 code translators, line scanning field effect transistor, LED constant-flow driver, described signal input interface is arranged at and drives main body one end, and signal output interface is arranged at the driving main body other end, described bus driver is arranged at signal input interface inner side, 318 described code translators are arranged at signal input interface inner side, described LED constant-flow driver is arranged at respectively and drives periphery, main body both sides, described line scanning field effect transistor drives respectively the periphery of main body both sides, and described line scanning field effect transistor is positioned at the inner side that described LED constant current drives.
5. energy-saving LED display screen according to claim 1, it is characterized in that: on described lamp plate, be provided with face shield fixed orifice is installed, this face shield is installed between fixed orifice and face shield installation fixed orifice and is provided with pcb board fixed orifice, on described lamp plate, be provided with the LED device group that a plurality of matrix-style are arranged, this LED device group comprises the red LED device be arrangeding in parallel, blue led device, is arranged at the green LED device of red LED device and blue led device one side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320630556.XU CN203607083U (en) | 2013-10-12 | 2013-10-12 | Energy-saving LED display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320630556.XU CN203607083U (en) | 2013-10-12 | 2013-10-12 | Energy-saving LED display screen |
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| Publication Number | Publication Date |
|---|---|
| CN203607083U true CN203607083U (en) | 2014-05-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320630556.XU Expired - Fee Related CN203607083U (en) | 2013-10-12 | 2013-10-12 | Energy-saving LED display screen |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105489161A (en) * | 2016-01-27 | 2016-04-13 | 利亚德光电股份有限公司 | LED display screen, and power supply control method and apparatus thereof |
| CN105845072A (en) * | 2016-05-30 | 2016-08-10 | 无锡昊瑜节能环保设备有限公司 | Energy-saving LED (light emitting diode) panel |
| CN105845074A (en) * | 2016-05-30 | 2016-08-10 | 无锡昊瑜节能环保设备有限公司 | Control system of environment-friendly LED (light emitting diode) panel |
| CN105845073A (en) * | 2016-05-30 | 2016-08-10 | 无锡昊瑜节能环保设备有限公司 | Radiation protection LED (light emitting diode) panel |
| CN105845075A (en) * | 2016-05-30 | 2016-08-10 | 无锡昊瑜节能环保设备有限公司 | Energy-saving LED (light emitting diode) panel control system |
| CN106875857A (en) * | 2017-04-01 | 2017-06-20 | 深圳诚通光电科技有限公司 | The LED display modules and LED display of dual power supply |
-
2013
- 2013-10-12 CN CN201320630556.XU patent/CN203607083U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105489161A (en) * | 2016-01-27 | 2016-04-13 | 利亚德光电股份有限公司 | LED display screen, and power supply control method and apparatus thereof |
| CN105845072A (en) * | 2016-05-30 | 2016-08-10 | 无锡昊瑜节能环保设备有限公司 | Energy-saving LED (light emitting diode) panel |
| CN105845074A (en) * | 2016-05-30 | 2016-08-10 | 无锡昊瑜节能环保设备有限公司 | Control system of environment-friendly LED (light emitting diode) panel |
| CN105845073A (en) * | 2016-05-30 | 2016-08-10 | 无锡昊瑜节能环保设备有限公司 | Radiation protection LED (light emitting diode) panel |
| CN105845075A (en) * | 2016-05-30 | 2016-08-10 | 无锡昊瑜节能环保设备有限公司 | Energy-saving LED (light emitting diode) panel control system |
| CN106875857A (en) * | 2017-04-01 | 2017-06-20 | 深圳诚通光电科技有限公司 | The LED display modules and LED display of dual power supply |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 518000 Guangdong province Shenzhen City Pingshan Pingshan street Gauss Industrial Zone Third 1, 2, 4 / thirteenth floor building Patentee after: Shenzhen Aurora Polytron Technologies Inc Address before: 518013 Guangdong city of Shenzhen province Pingshan Gaosite Industrial Zone Three Patentee before: Shenzhen Jinhuaguang Technology Co.,Ltd. |
|
| 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: 20140521 Termination date: 20201012 |