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Emergency light band whose brightness can be adjusted

A technology for adjusting brightness and light strips, applied in the use of semiconductor lamps, electrical components, electroluminescent light sources, etc., can solve the problems of high production costs, increased manufacturing costs, inconvenient installation, etc., to reduce production costs and lighting construction costs. reduced effect

Active Publication Date: 2016-10-12
GUANGDONG OML TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This design method requires at least four conductive busbars, which has high production costs and is inconvenient to install
Moreover, in this design, the main lighting strip and the emergency lighting strip need their own independent driving power, which further increases the manufacturing cost

Method used

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  • Emergency light band whose brightness can be adjusted
  • Emergency light band whose brightness can be adjusted
  • Emergency light band whose brightness can be adjusted

Examples

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Embodiment Construction

[0025] Such as Figure 1-Figure 6 As shown, the emergency light strip of the present invention includes: a driving power supply 1 and a light strip body 2 . Wherein, the driving power supply 1 and the lamp strip body 2 are connected through a DC bus 3 , and the lamp strip body 2 includes at least one lighting segment 21 connected in parallel to the DC bus 3 .

[0026] The driving power supply 1 includes a rectification circuit 11 , a battery 13 , a detection circuit 14 , a control chip 15 , a static switch 16 and a current control circuit 17 .

[0027] Wherein, the input end of the rectification circuit 11 is connected to the 220V mains, and the output end of the rectification circuit 11 is respectively connected to an input end of the static switch 16 and the input end of the detection circuit 14, and the rectification circuit 11 is used to supply the lamp belt through the static switch 16. Body 2 provides direct current.

[0028] The battery 13 is connected to the other in...

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Abstract

The invention discloses an emergency light band whose brightness can be adjusted. The light band comprises a driving power source and a light band body wherein the driving power source and the light band body are connected through DC buses and the light band body includes at least one lighting section in parallel connection to the DC buses. The driving power source comprises a rectifying circuit, a battery, a detecting circuit, a control chip and a static switch. According to the invention, one part of a light band replaces an emergency light band used in a traditional way so that said part of the illumination band can be automatically changed into an emergency light band for emergency lighting in case of power failure. Compared with the traditional design which requires four buses, this design only needs two conductive buses to achieve power supply, and the required power supply and LED lamp beads are also cut by half, significantly reducing the production cost. In addition, the invention is provided with an LED lamp bead brightness adjusting circuit, and the illumination of the light band in emergency can be flexibly adjusted for actual demand.

Description

technical field [0001] The invention relates to a lamp, in particular to an emergency lamp belt capable of adjusting brightness. Background technique [0002] The lighting in traditional corridors usually adopts a combination of main lighting and emergency lighting. Because the LED light strip has the characteristics of high lighting brightness, low energy consumption and long life, it is very suitable for corridor main lighting and emergency lighting. [0003] At present, the existing main lighting strips and emergency lighting strips in the market are designed in combination with independent main lighting strips and emergency lighting strips respectively. When the power supply is normal, only the main lighting belt works, and the emergency lighting belt does not work; when the mains power failure occurs, the emergency lighting belt works, but the main lighting belt does not work. This design requires at least four conductive busbars, which has high production costs and i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05B33/08H05B44/00H05B45/10H05B45/37
CPCH05B45/10H05B45/37Y02B20/30
Inventor 张培良
Owner GUANGDONG OML TECH CO LTD
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