Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Portable illuminating device with ring-shaped light source

A technology for lighting devices and ring light sources, which is applied to portable lighting devices, lighting devices, components of lighting devices, etc., can solve the problems of limited adjustment of lighting range, and achieve the effects of low price, enlarged lighting range and simple structure.

Inactive Publication Date: 2012-04-18
常熟市广大电器有限公司
View PDF1 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this ring flashlight has a limited range of adjustment, and only one or a few of them can be selected to light up.

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Portable illuminating device with ring-shaped light source
  • Portable illuminating device with ring-shaped light source
  • Portable illuminating device with ring-shaped light source

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0016] The present invention will now be described in further detail with reference to the accompanying drawings and preferred embodiments. These drawings are all simplified schematic diagrams, which merely illustrate the basic structure of the present invention in a schematic manner, so they only show the structures related to the present invention.

[0017] Please refer to figure 1 The present invention discloses a portable lighting device with a ring light source, including a light source 3, a holding part 1, a switch 2, and a power source (not shown), wherein the light source 3 is arranged at one end of the holding part 1. In order to expand the lighting range of the lighting device, in a preferred embodiment of the present invention, the light source 3 is ring-shaped, and the ring-shaped light source 3 has a wider lighting range than a traditional light source with a conical protective cover.

[0018] The light source 3 may be a ring-shaped array of lamp beads or a ring-shaped...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to a portable illuminating device with a ring-shaped light source. The device comprises the light source, a holding part, a switch and a power supply, wherein the light source is arranged at one end of the holding part, and is ring-shaped. In the portable illuminating device, the light source arranged at one end of the holding part is ring-shaped, so an illumination range is widened; a protective cover with a leftwards-rightwards adjustable position is further arranged outside the light source, so that the illumination range of the light source can be adjusted according to needs; moreover, the device has a simple structure and low cost.

Description

Technical field [0001] The invention relates to a lighting device, in particular to a portable lighting device with a ring light source. Background technique [0002] In the existing unidirectional lighting flashlight, the protective cover used to protect the luminous bulbs is usually cone-shaped, which greatly limits the lighting range of the flashlight. In special circumstances, such as walking on a night road with poor road conditions when there are a large number of people, the use of this traditional flashlight often has the disadvantage that the lighting range is not wide enough. [0003] In response to the above problems, Chinese Patent Application No. 200820121400.8 disclosed a two-way flashlight on June 10, 2009. This flashlight is a ring-shaped flashlight, and there are multiple illuminators on different positions of the ring-shaped flashlight. This new type of two-way flashlight can adjust the illumination in more than two directions at will, and can also illuminate in ...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): F21L2/00F21V17/00F21V15/02
Inventor 徐子旸
Owner 常熟市广大电器有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com