CN111457269A - Multi-wavelength L ED light source - Google Patents

Multi-wavelength L ED light source Download PDF

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Publication number
CN111457269A
CN111457269A CN202010410441.4A CN202010410441A CN111457269A CN 111457269 A CN111457269 A CN 111457269A CN 202010410441 A CN202010410441 A CN 202010410441A CN 111457269 A CN111457269 A CN 111457269A
Authority
CN
China
Prior art keywords
lamp bead
light source
wavelength
beads
driving power
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202010410441.4A
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Chinese (zh)
Inventor
孙舟娜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xiamen Xingzhe Kechuang Technology Co ltd
Original Assignee
Xiamen Xingzhe Kechuang Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xiamen Xingzhe Kechuang Technology Co ltd filed Critical Xiamen Xingzhe Kechuang Technology Co ltd
Priority to CN202010410441.4A priority Critical patent/CN111457269A/en
Publication of CN111457269A publication Critical patent/CN111457269A/en
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
    • F21S2/00—Systems of lighting devices, not provided for in main groups F21S4/00 - F21S10/00 or F21S19/00, e.g. of modular construction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F21V17/12—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening by screwing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
    • F21V19/0015—Fastening arrangements intended to retain light sources
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00—Arrangement of electric circuit elements in or on lighting devices
    • F21V23/06—Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices, e.g. connectors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V2200/00—Use of light guides, e.g. fibre optic devices, in lighting devices or systems
    • F21V2200/10—Use of light guides, e.g. fibre optic devices, in lighting devices or systems of light guides of the optical fibres type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2115/00—Light-generating elements of semiconductor light sources
    • F21Y2115/10—Light-emitting diodes [LED]

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Endoscopes (AREA)

Abstract

The invention discloses a multi-wavelength L ED light source, which aims to solve the problems that the conventional L ED light source is not suitable for the fields of medical imaging, spectral testing and fluorescence detection or has insufficient universality in the fields, large volume, complex structure and inconvenience for commercial popularization, the light source comprises a L ED lamp bead, a lamp bead surrounding plate, a shell, a plug and a multi-path driving power supply, the L ED lamp bead is positioned on the lamp bead surrounding plate, the lamp bead surrounding plate forms a compact cubic structure surrounding an optical axis, the L ED lamp bead is positioned in the compact cubic structure, the shell is positioned outside the L ED lamp bead surrounding plate, and the plug is positioned at the rear part of the shell and is connected with the multi-path driving power supply.

Description

Multi-wavelength L ED light source
Technical Field
The invention relates to a light source device, in particular to a multi-wavelength L ED light source.
Background
L ED light source has the advantages of high luminous efficiency, small light decay, long service life, suitability for mass production and more applications in the fields of illumination, flat panel display, spectrum test and the like, since L ED wavelength needs to be selected or a plurality of L ED wavelengths need to be coupled in partial medical imaging, spectrum test and fluorescence detection, L ED light source which can select or couple a plurality of wavelengths needs to be prepared.
The existing multi-wavelength L ED light source is not suitable for the fields of medical imaging, spectral testing and fluorescence detection due to the limitations of the receptor volume, the structure and the like, or has insufficient universality in the fields, and has large volume, complex structure and inconvenience for commercial popularization.
Disclosure of Invention
The invention discloses a multi-wavelength L ED light source, which has good universality in the fields of medical imaging, spectrum testing, fluorescence detection and the like, small and exquisite appearance and simple structure, and comprises L ED lamp beads, lamp bead surrounding plates, a shell and a multi-path driving power supply, wherein L ED lamp beads are fixedly arranged on the lamp bead surrounding plates, the lamp bead surrounding plates are fixedly connected through connecting pieces and form a compact cubic structure surrounding an optical axis, light emitted by the L ED lamp beads is emitted along the optical axis, 462 ED lamp beads are positioned in the compact cubic structure, L ED lamp beads can contain a plurality of chips, the shell is positioned outside the 634 ED lamp bead surrounding plates, the compact cubic structure formed by the surrounding plates and the lamp beads is fixedly connected on the shell, the multi-path driving power supply is electrically connected with L5 ED lamp beads, each L ED lamp bead is positioned in the compact cubic structure, optical fibers capable of efficiently realizing optical coupling and merging into an emergent light path can be emitted, optionally, the number of 1-5 ED lamp beads is 1-4, the number of the chips is different from the same number of the LED lamp beads, the LED lamp beads is further electrically connected with an optical fiber flange 73784, and the multi-path optical fiber driving power supply is further connected with an optical fiber flange 73784 or an optical fiber plug 82L 6 or a multi-path flange.
Has the advantages that:
1. l ED lamp beads or chips in the light source have compact structure or adopt multi-chip integration design.
2. The adoption of the lens package L ED chip can reduce the divergence angle of emergent light of the L ED chip in advance, and can realize high-efficiency coupling with elements on the emergent light path.
3. The light source can be used for carrying out independent time control and switch control on each light-emitting wavelength of the L ED light source through a plurality of driving power supplies.
4. Can be generally used in the fields of medical imaging, spectral test and fluorescence detection.
5. The volume is less, simple structure is fit for commercial popularization.
Drawings
FIG. 1 is a schematic diagram of a multiwavelength L ED light source
FIG. 2 is the internal structure diagram of a multiwavelength L ED light source (connecting optical fiber connector)
FIG. 3 shows the internal structure of a multiwavelength L ED light source (connected endoscope)
FIG. 4 is an external view of a multi-wavelength L ED light source
FIG. 5 is a schematic view of a multi-wavelength L ED light source II (connected with multiple driving power supplies)
Detailed Description
The technical solution of the present invention will be further described in detail with reference to specific embodiments. It is to be understood that the following examples are only illustrative and explanatory of the present invention and should not be construed as limiting the scope of the present invention. All the technologies realized based on the above-mentioned contents of the present invention are covered in the protection scope of the present invention.
Example 1
The multi-wavelength L ED light source shown in FIGS. 1-5 comprises L ED beads 2, bead enclosures 3, a housing 1, a plug 5 and a multi-path driving power source 7, and optical fiber connectors 4 or an endoscope adapter 6. illustratively, as shown in FIGS. 2 and 3. the L ED beads 2 are fixedly mounted on the bead enclosures 3, and are adhesively mounted on the bead enclosures 3. the bead enclosures 3 are fixedly connected by connectors and constitute a compact cubic structure around an optical axis. the L ED beads 2 are located inside the compact cubic structure. the L ED beads 2 emit light along the optical axis. the L ED beads 2 are 1 to 5 in number, and are 5 in this embodiment. the L ED beads 2 can be a single L ED chip or a plurality of 856 ED chips, and different 36 LED chips can emit the same light or different wavelength bands of light, each of the LED beads 34 can be a single L LED chip or a plurality of LED beads 2 can be connected with the endoscope via a detachable optical fiber connector plug 3 or a multi-path optical fiber connector, and the LED beads 34 can be connected with the endoscope via a detachable optical fiber connector, the LED beads 3 LED beads 34 can be connected with the endoscope adapter 3, the endoscope adapter can be connected with the endoscope adapter 6, the endoscope adapter 3, the endoscope adapter can be connected with the endoscope adapter 3, the endoscope adapter can be connected with the endoscope adapter 3, the endoscope adapter can be connected with the endoscope adapter, the endoscope adapter can be used for connecting the endoscope adapter for connecting the endoscope, the endoscope adapter for connecting the endoscope, the endoscope adapter for connecting the endoscope, the endoscope adapter, the.
The multi-path driving power supply 7 performs independent switch control and time control on the pulse characteristics of the L ED lamp beads 2 through the plug 5, and a specific control embodiment is shown in embodiment 2.
Example 2
The multi-path driving power supply is a multi-path independently controlled constant current source, each constant current source independently supplies power for an L ED chip or a L ED lamp bead, each constant current source can continuously output or output pulses, the pulse controller can adjust the pulse width, the frequency and the time delay of current output, the multi-path driving power supply 7 can respectively realize independent time control on pulse characteristics such as the pulse width, the frequency and the like of L ED lamp beads 2, for example, the pulse width of 1L ED lamp bead or chip can be controlled to be 7ns, the frequency is 100Hz, the lamp beads are lighted from the first 1s to the first 6s, the pulse width of another L ED lamp bead or chip is 8ns, the frequency is 120Hz, the lamp beads are lighted from the last 2s to the last 12s, the rest L ED lamp beads or chips are continuously extinguished, and the narrowest pulse width of the L ED lamp beads or chips can reach nanosecond.
The embodiments of the present invention have been described above. However, the present invention is not limited to the above embodiment. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (4)

1. A multi-wavelength L ED light source is characterized in that the light source comprises a L ED lamp bead, lamp bead surrounding plates, a shell and a multi-path driving power supply, the L ED lamp bead is fixedly connected to the lamp bead surrounding plates, the lamp bead surrounding plates are fixedly connected to form a compact cubic structure surrounding an optical axis, the L ED lamp bead is located inside the compact cubic structure, the shell is fixedly connected to the outside of the compact cubic structure formed by the L ED lamp bead surrounding plates, and the multi-path driving power supply is electrically connected with the L ED lamp bead.
2. The multiwavelength L ED light source of claim 1, wherein the number of L ED beads is 1-5.
3. The multiwavelength L ED light source of claim 2, wherein the L ED beads contain L ED chips, and the number of the L ED chips is 1-4.
4. The multiwavelength L ED light source of claim 1, wherein the multiwavelength L ED light source further comprises a fiber optic flange or an endoscopic adaptor located at the aperture of the hole.
CN202010410441.4A 2020-05-15 2020-05-15 Multi-wavelength L ED light source Withdrawn CN111457269A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010410441.4A CN111457269A (en) 2020-05-15 2020-05-15 Multi-wavelength L ED light source

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010410441.4A CN111457269A (en) 2020-05-15 2020-05-15 Multi-wavelength L ED light source

Publications (1)

Publication Number Publication Date
CN111457269A true CN111457269A (en) 2020-07-28

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010410441.4A Withdrawn CN111457269A (en) 2020-05-15 2020-05-15 Multi-wavelength L ED light source

Country Status (1)

Country Link
CN (1) CN111457269A (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009005839A1 (en) * 2009-01-21 2010-07-22 Carl Zeiss Surgical Gmbh Light source for e.g. surgical microscope, has semiconductor light source field including lighting surfaces that are reproduced with different wavelengths of lens combination and superimpose at inlet end
CN111308691A (en) * 2020-04-16 2020-06-19 厦门行者科创科技有限公司 Narrow-band light endoscopic imaging system
CN211952330U (en) * 2020-05-15 2020-11-17 厦门行者科创科技有限公司 Multi-wavelength LED light source
CN212515209U (en) * 2020-04-16 2021-02-09 厦门行者科创科技有限公司 Narrow-band light endoscopic imaging system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009005839A1 (en) * 2009-01-21 2010-07-22 Carl Zeiss Surgical Gmbh Light source for e.g. surgical microscope, has semiconductor light source field including lighting surfaces that are reproduced with different wavelengths of lens combination and superimpose at inlet end
CN111308691A (en) * 2020-04-16 2020-06-19 厦门行者科创科技有限公司 Narrow-band light endoscopic imaging system
CN212515209U (en) * 2020-04-16 2021-02-09 厦门行者科创科技有限公司 Narrow-band light endoscopic imaging system
CN211952330U (en) * 2020-05-15 2020-11-17 厦门行者科创科技有限公司 Multi-wavelength LED light source

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Application publication date: 20200728