CN111683434A - LED lamp remote transmission system - Google Patents
LED lamp remote transmission system Download PDFInfo
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- CN111683434A CN111683434A CN202010035809.3A CN202010035809A CN111683434A CN 111683434 A CN111683434 A CN 111683434A CN 202010035809 A CN202010035809 A CN 202010035809A CN 111683434 A CN111683434 A CN 111683434A
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- voltage
- driving module
- constant
- led lamp
- current driving
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Abstract
The invention discloses a remote transmission system of LED lamps, which comprises a plurality of LED lamps which are electrically connected, wherein each LED lamp is internally provided with a high-voltage BUCK driving module and a constant-current driving module, the high-voltage BUCK driving module regulates input voltage into stable voltage and supplies the stable voltage to the constant-current driving module, and the constant-current driving module drives the LED lamps to shine under the stable voltage. The invention solves the problems of voltage reduction, brightness reduction, signal interruption, asynchronism and the like caused by insufficient power supply at the tail end of line loss in long-distance power supply of the LED lamp; when the transmission is carried out in the same loop at a long distance, only single-end power supply is needed, and tail power supply is not needed, so that the construction difficulty and the use cost are greatly reduced; and the lamps do not need to be divided into series connection and parallel connection, and can be cut at will or connected in a combined way.
Description
Technical Field
The invention relates to the field of LED lamp control, in particular to a remote transmission system of an LED lamp.
Background
When the LED lamp is installed at a long distance, due to the fact that voltage drop is caused by cable line loss, brightness is reduced, signals are interrupted, and the like, the common method for solving the problems is to add power at the low voltage end to improve the voltage of a central point, each node with low voltage needs to be added with power in the application process, the only method for adding power is to thicken a cable, material and labor cost are increased, and the problem that when each node is added with power, manual insulation protection is loosened and falls off, potential hazards are brought to safety of constructors, and therefore the prior art needs to be improved.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a remote transmission system for an LED lamp. In order to achieve the purpose, the invention adopts the following specific scheme:
a long-distance transmission system for LED lamps comprises a plurality of LED lamps which are electrically connected, wherein a high-voltage BUCK driving module and a constant-current driving module are arranged in each LED lamp, the high-voltage BUCK driving module adjusts input voltage into stable voltage and supplies the stable voltage to the constant-current driving module, and the constant-current driving module drives the LED lamps to shine under the stable voltage.
Preferably, the high-voltage BUCK driving module comprises a high-voltage-reduction constant-voltage chip and a peripheral circuit thereof, and provides a stable constant-voltage input for the constant-current driving module.
Preferably, the high-voltage reduction and constant-voltage chip is 7015 in model.
Preferably, the constant current driving module adopts 512C4 as a constant current driving chip to provide consistent constant current for the LED lamp.
Preferably, the LED lamp displays a single color.
Preferably, the LED lamp displays two or more colors.
Preferably, the system further comprises a controller for controlling the LEDs, etc. to display different colors.
By adopting the technical scheme of the invention, the invention has the following beneficial effects:
the invention solves the problems of voltage reduction, brightness reduction, signal interruption, asynchronism and the like caused by insufficient power supply at the tail end of line loss in long-distance power supply of the LED lamp; when the transmission is carried out in the same loop at a long distance, only single-end power supply is needed, and tail power supply is not needed, so that the construction difficulty and the use cost are greatly reduced; and the lamps do not need to be divided into series connection and parallel connection, and can be cut at will or connected in a combined way.
Drawings
FIG. 1 is a block diagram of a monochrome scheme system according to the present invention;
FIG. 2 is a block diagram of a multi-color scheme system of the present invention;
FIG. 3 is a circuit diagram of each LED lamp of the present invention.
Detailed Description
The invention is further described below with reference to the following figures and specific examples.
The invention provides a remote transmission system of LED lamps, which comprises a plurality of LED lamps electrically connected with each other, wherein a high-voltage BUCK driving module and a constant-current driving module are arranged in each LED lamp, the high-voltage BUCK driving module regulates input voltage into stable voltage and supplies the stable voltage to the constant-current driving module, and the constant-current driving module drives the LED lamps to shine under the stable voltage.
The high-voltage BUCK driving module comprises a high-voltage-reduction constant-voltage chip 7015_ U2 and peripheral circuits thereof, provides stable constant-voltage input for the constant-current driving module, supports 5V-80V wide-voltage-range input, has the functions of current limiting, overheat turn-off protection and output short-circuit protection, and realizes high-power, high-efficiency and low-heat high-voltage conversion.
The constant current driving module adopts 512C4_ U1 as a constant current driving chip to provide consistent constant current for all LED lamps, so that the voltage consistency and the brightness consistency of all the LED lamps are ensured.
The invention can adopt a single-color scheme, namely all the LED lamps display the same color, and also can adopt a multi-color scheme, namely different LED lamps display different colors.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. The LED lamp remote transmission system is characterized by comprising a plurality of LED lamps which are electrically connected, wherein a high-voltage BUCK driving module and a constant-current driving module are arranged in each LED lamp, the high-voltage BUCK driving module regulates input voltage into stable voltage and supplies the stable voltage to the constant-current driving module, and the constant-current driving module drives the LED lamps to shine under the stable voltage.
2. The LED lamp remote transmission system of claim 1, wherein the high-voltage BUCK driving module comprises a high-voltage step-down constant-voltage chip and peripheral circuits thereof, and provides a stable constant-voltage input for the constant-current driving module.
3. The LED lamp remote transmission system of claim 2, wherein the high voltage step-down constant voltage chip is 7015.
4. The LED lamp long-distance transmission system according to claim 2 or 3, wherein the constant current driving module adopts 512C4 as a constant current driving chip to provide consistent constant current for the LED lamp.
5. The LED light fixture teleportation system of claim 4, wherein the LED lights display a single color.
6. The LED light fixture distance transmission system of claim 4, wherein the LED lights display more than two colors.
7. The LED light fixture remote transmission system of claim 6 further comprising a controller for controlling the LEDs to display different colors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010035809.3A CN111683434A (en) | 2020-01-14 | 2020-01-14 | LED lamp remote transmission system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010035809.3A CN111683434A (en) | 2020-01-14 | 2020-01-14 | LED lamp remote transmission system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111683434A true CN111683434A (en) | 2020-09-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010035809.3A Pending CN111683434A (en) | 2020-01-14 | 2020-01-14 | LED lamp remote transmission system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111683434A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023226219A1 (en) * | 2022-05-23 | 2023-11-30 | 深圳市鸿远微思电子有限公司 | Digital dimming led lamp drive circuit |
-
2020
- 2020-01-14 CN CN202010035809.3A patent/CN111683434A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023226219A1 (en) * | 2022-05-23 | 2023-11-30 | 深圳市鸿远微思电子有限公司 | Digital dimming led lamp drive circuit |
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