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Power conversion type ballast

A ballast and power technology, applied in transformers, inductors, lighting devices, etc., can solve the problem that ballasts cannot reliably convert power, and achieve the effect of improving operation safety, obvious effect and reducing load density.

Inactive Publication Date: 2008-01-30
上海禹忱电光源有限公司
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0006] The object of the present invention is to provide a power conversion type ballast, which can overcome the disadvantage that the existing high pressure gas discharge lamp ballast cannot reliably perform power conversion

Method used

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Embodiment Construction

[0015] Below with reference to accompanying drawing, the present invention is further described

[0016] The present invention is a power conversion ballast, as shown in Figure 3 to Figure 6, it mainly includes a main coil 1, characterized in that: the main coil is connected in parallel with a regulating coil 2, the main coil is connected to the load, and Keep the normal on state, the adjusting coil is used to adjust the current in the circuit, the current at the load is superimposed by the current at the main coil and the circuit at the adjusting coil, one end of the main coil is fixedly connected to one end of the adjusting coil or connected through the switch 3, The other end of the adjustment coil and the middle adjustment end are connected to the other end of the main coil through a switch 4, the coil at the adjustment coil can be multiple windings or tapped windings, and the switch can be a mechanical switch or an electronic switch.

[0017] The ballast adopts multi-magn...

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Abstract

The invention discloses a power inverting typed ballast which is characterized in that: a mentioned main coil is connected with an adjusting coil in parallel. The main coil is connected with a load at a normal open state. The adjusting coil is used for adjusting a current in a circuit. The current at the load is superimposed by the current in the main coil and the current in the adjusting coil. The invention is characterized in that: 1.a power saving rate is up to 20 percent with an obvious effect. 2. A start from a low power can reduce an impact on a power net and improve a safety of a performance of a high power net. 3. A load density can be reduced; the service life of a light tube and ballast can be prolonged. 4. Cooperating with a controller, a program control, a remote control and a group control can be easily realized so as to realize an automatic control.

Description

Technical field: [0001] The invention relates to the technical field of lighting equipment accessories, in particular to a power conversion type ballast, and in particular to its connection structure. Background technique: [0002] At present, among electric light source products, the luminous efficiency of high-pressure gas discharge lamp (HID) is very high, which can reach more than 75lm / W, or even exceed 150lm / W. It is a high-efficiency and energy-saving product, but these lamps need to Some very important components form a system, such as ballasts, triggers, etc., which are used to start and ignite the bulb, stabilize the working current of the bulb, maintain the continuity of the arc of the bulb, and enable the bulb to work normally. [0003] The current working system cannot perform online dimming (power conversion) due to the use of ordinary ballasts. The method of adjusting voltage to convert power is of little significance due to the limited adjustment range (<15...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01F38/10H05B41/26
Inventor 龚伟琪
Owner 上海禹忱电光源有限公司
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