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Control system of lamp decoration

A control system and lighting technology, which is applied in the layout of electric lamp circuits, lighting devices, light sources, etc., and can solve the problems of low brightness, complicated LED connection lines, and difficulty in reaching voltage.

Inactive Publication Date: 2015-04-29
广州市智网电力科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the prior art, the drive control of LED lighting products is generally a 5V low-voltage voltage output. In order to ensure that each LED can be lit and achieve a certain brightness, each drive controller generally uses parallel drive, that is, uses parallel data. Signals are used to drive and control the LEDs connected in parallel with each other. Since each LED is connected in parallel, each LED requires a drive control circuit and a drive unit. When controlling devices such as devices, it needs to occupy a large layout area, and the control and shutdown of each parallel-connected LED needs to be controlled separately, which makes the control and shutdown complicated.
If multiple LEDs are directly connected to each other in series, since the output voltage of each driver is a certain value, and the voltage of each LED connected in series will have circuit loss during the transmission process of the line, if the low voltage 5V voltage input is used, then The brightness of the LEDs connected in series will be low. Due to the circuit loss of multiple LEDs connected in series, it will be difficult for the LEDs connected in series to reach the expected voltage. In severe cases, the LEDs will not light up.

Method used

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Examples

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Embodiment 2

[0029] Such as figure 2 As shown, on the basis of the above examples, the lighting control system provided in this embodiment further includes an LDO voltage regulator (low dropout regulator, low dropout linear regulator), and the LDO voltage regulator is A linear voltage regulator. Linear regulators use transistors or FETs operating in their linear region to subtract excess voltage from the applied input voltage to produce a regulated output voltage. The LDO voltage regulator is connected to the drive unit and can be used to step down the voltage of the signal data from 6 to 12V to a common voltage of 5V, so that the external LEDs can When driven by voltage, the lighting control system of this embodiment has better compatibility, not only can be driven by a high voltage of 6 to 12V, but also can be driven by a low voltage of 5V, and has a wide range of applications.

Embodiment 3

[0031] On the basis of the above examples, in the lighting control system provided by this embodiment, the conversion unit may also include a non-differential converter connected to the data input interface. When receiving differential signal data, the non-differential converter may convert the differential signal data into non-differential signal data.

[0032] For example, a four-way differential line receiver (DS26C32ATM) can be used. When the data input interface receives four pairs of differential signal data and sends them to the four-way differential line receiver (DS26C32ATM), then the four-way differential line receiver (DS26C32ATM) can be used. A line receiver (DS26C32ATM) converts the four pairs of differential signal data into four pairs of non-differential signal data.

[0033] Or, as another example, the conversion unit may also include a serial data converter. When the data signal input interface, the input signal data is parallel differential signal data, the p...

Embodiment 4

[0037] On the basis of the above examples, in the lighting control system provided by this embodiment, the lighting control system may also include various LEDs, and several LEDs can form various LED lighting products, for example, spotlights, For underwater lights, guardrail tubes, flexible light strips, curtain wall lights, buried lights, etc., each LED can be one or more of red LEDs, green LEDs, and blue LEDs. The lighting control system integrated with LEDs can realize the direct application of terminal products and enhance the ease of use.

[0038] Alternatively, the lighting control system may also include a cascaded signal data output unit, the cascaded signal data output unit is connected to the data input interface, and after the data input interface inputs each signal data, each signal The data is sent to the cascaded signal data output unit, processed by the cascaded signal data output unit, and the cascaded signal data is generated by the cascaded signal data outpu...

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Abstract

The invention discloses a control system of a lamp decoration, which comprises a data input interface, a conversion unit and a driving unit connected sequentially, wherein the data input interface is used for inputting signal data of 5V voltage; the conversion unit comprises a collector open-circuit device and is used for pulling up the voltage of the signal data from 5V to 6-12V voltage and outputting the signal data to the driving unit; and the driving unit is a 6-12V driving high voltage output unit and is used for driving external LEDs (light-emitting diodes) according to the signal data. The control system has the 6-12V driving high voltage and preferably has the 12V driving high voltage output, and can drive the external LEDs which are connected in series, ensure that the LEDs can be lit, have higher brightness and save the area of applying a lamp decoration product device and an arrangement board; furthermore, the control of shutoff is simple.

Description

technical field [0001] The invention relates to a lighting device, in particular to a lighting control system. Background technique [0002] In the prior art, the drive control of LED lighting products is generally a 5V low-voltage voltage output. In order to ensure that each LED can be lit and achieve a certain brightness, each drive controller generally uses parallel drive, that is, uses parallel data. Signals are used to drive and control the LEDs connected in parallel with each other. Since each LED is connected in parallel, each LED requires a drive control circuit and a drive unit. When controlling devices such as devices, a large layout area needs to be occupied, and the control and shutdown of each parallel-connected LED needs to be controlled separately, which makes the control and shutdown complicated. If multiple LEDs are directly connected to each other in series, since the output voltage of each driver is a certain value, and the voltage of each LED connected i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H05B37/02H05B37/03
Inventor 邢伟邵寅亮
Owner 广州市智网电力科技有限公司