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Single lamp voltage compensation device for high pressure gas discharge lamp

A voltage compensation, high-voltage gas technology, applied in the direction of AC network voltage adjustment, etc., can solve the problems of light pollution, road safety hazards, and flickering illumination, and achieve the effect of reducing power waste, reducing light pollution, and avoiding road traffic safety hazards.

Active Publication Date: 2019-06-21
NINGBO GREENTECH ENERGY SAVING TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a single-lamp voltage compensation device for high-pressure gas discharge lamps that can solve the problem of road safety hazards or light pollution caused by the fluctuation of the grid voltage and the illuminance of the high-pressure gas discharge lamps on the street lamp circuit.

Method used

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  • Single lamp voltage compensation device for high pressure gas discharge lamp
  • Single lamp voltage compensation device for high pressure gas discharge lamp
  • Single lamp voltage compensation device for high pressure gas discharge lamp

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Embodiment Construction

[0017] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0018] Such as figure 1 with figure 2 As shown, in this specific embodiment, the high-pressure gas discharge lamp single lamp voltage compensation device of the present invention includes a power conversion circuit 1, a reference voltage circuit 2, a voltage sampling circuit 3, an AC-DC conversion circuit 4, and a comparison output circuit 5 , timing sequence output circuit 6, drive circuit 7, switching circuit 8 and output conversion circuit 9, the output end of described power conversion circuit 1 is electrically connected with the input end of reference voltage circuit 2, the output end of described reference voltage circuit 2 is connected with One of the input ends of the comparison output circuit 5 is electrically connected, the output end of the voltage sampling circuit 3 is electrically connected to the input end of the AC-DC...

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Abstract

The invention discloses a single-lamp voltage compensation device of a high-intensity discharge lamp. The device is composed of a power conversion circuit, a reference voltage circuit, a voltage sampling circuit, an AC-DC conversion circuit, a comparison output circuit, a timing sequence output circuit, a drive circuit, a switching circuit, and an output conversion circuit. With the device, the influence on the high-intensity discharge lamp by voltage fluctuation of the power grid can be reduced; and thus a potential safety hazard of the road traffic due to the streetlight illumination change can be eliminated. Meanwhile, the voltage of the high-intensity discharge lamp can be reduced automatically at night and the electric energy wasting and light pollution can be reduced.

Description

technical field [0001] The invention relates to the technical field of voltage compensation circuits, in particular to a voltage compensation device for a single lamp of a high-pressure gas discharge lamp. Background technique [0002] At present, roads are mostly illuminated by high-pressure gas discharge lamps, such as high-pressure sodium lamps and high-pressure mercury lamps. The illuminance is affected by the terminal voltage of the lamp. The illuminance increases and decreases with the increase of the terminal voltage. However, the environment of my country's power grid is complex. Although the street lamp lines use dedicated lines, the voltage of the grid will still fluctuate, which will cause changes in the illumination of street lamps and affect road traffic safety. Especially at night, with the change of line load, the voltage of the power grid shows a change of first decreasing and then increasing, which leads to insufficient illumination of street lamps during tr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J3/12
Inventor 陶思超
Owner NINGBO GREENTECH ENERGY SAVING TECH
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