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A lamp dimming circuit

A dimming circuit and circuit technology, which is applied in the layout of electric lamp circuits, light sources, electric light sources, etc., can solve the problems of high cost, high cost, inability to realize dimming of lamps, etc., and achieve high stability and safety, and the solution is expensive. Effect

Active Publication Date: 2019-08-13
中石化节能技术服务有限公司 +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The power carrier technology currently used in the market cannot realize dimming of lamps and lanterns in areas with severe interference, and the cost is also high
CAN-BUS bus control technology adopts wireless connection between the control box and single lamp to control the dimming and switching of lamps. Wireless transmission is easily affected by obstacles, electromagnetic environment and weather, and the cost is very expensive.

Method used

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  • A lamp dimming circuit
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Embodiment Construction

[0013] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.

[0014] Such as Figure 1 to Figure 2 As shown, a lighting dimming circuit includes an AC / DC power supply circuit, a dimming circuit and an LED lamp group, the input end of the AC / DC power supply circuit is connected to the mains, and the output of the AC / DC power supply circuit terminals are respectively connected to the input terminal of the transformer and the input terminal of the dimming circuit, the output terminal of the transformer is connected to the LED lamp group, and the output terminal of the dimming circuit is connected to the input terminal of the transformer. The dimming circuit includes a dimming fuse, a capacitor, a diode, a first current-limiting resistor, a first shunt resistor, a triode, a pull-up resistor, a second shunt resistor, an electronic switch, a third shunt resistor, and a fou...

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Abstract

The invention discloses a lamp dimming circuit, which comprises an AC / DC (Alternating Current / Direct Current) power circuit, a dimming circuit and an LED (Light-Emitting Diode) lamp set, wherein the input end of the AC / DC power circuit is connected with commercial power, and the output end of the AC / DC power circuit is connected with the input end of a transformer and the input end of the dimming circuit; the output end of the transformer is connected with the LED lamp set; the output end of the dimming circuit is connected with the input end of the transformer. According to the lamp dimming circuit, a live wire, a neutral line and a ground wire are adopted for dimming, so that the problem of incapability of a power carrier in dimming is completely solved, and the problem of high cost of a single clamp control technology for a BUS intelligent system is completely solved; moreover, the lamp dimming circuit can be manually controlled, so that high stability and safety is ensured; the lamp dimming circuit is widely applied to the field of electric illumination control circuits.

Description

technical field [0001] The invention relates to the field of electric lighting control circuits, in particular to a dimming circuit for lamps. Background technique [0002] Environmental protection and energy saving in today's society have become the theme of people, and how to save energy in lamps has become an important issue. Therefore, when using a lamp, it is necessary to dim the lamp. The current power carrier technology used in the market cannot realize dimming of lamps in areas with severe interference, and the cost is also high. CAN-BUS bus control technology adopts wireless connection between the control box and single lamp to control the dimming and switching of lamps. Wireless transmission is easily affected by obstacles, electromagnetic environment and weather, and the cost is very expensive. Contents of the invention [0003] In order to solve the above technical problems, the object of the present invention is to provide a lamp dimming circuit with low cos...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H05B37/02
CPCH05B47/10
Inventor 曾庆龙
Owner 中石化节能技术服务有限公司
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