CN105927939B - COB light source fixing base with circuit clamping structure - Google Patents

COB light source fixing base with circuit clamping structure Download PDF

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Publication number
CN105927939B
CN105927939B CN201610447440.0A CN201610447440A CN105927939B CN 105927939 B CN105927939 B CN 105927939B CN 201610447440 A CN201610447440 A CN 201610447440A CN 105927939 B CN105927939 B CN 105927939B
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CN
China
Prior art keywords
light source
limiting part
base
cob light
fixing
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CN201610447440.0A
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Chinese (zh)
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CN105927939A (en
Inventor
叶俊均
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Guangzhou Qiaoguang Optoelectronic Technology Development Co ltd
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Guangzhou Qiaoguang Optoelectronic Technology Development Co ltd
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Priority to CN201610447440.0A priority Critical patent/CN105927939B/en
Publication of CN105927939A publication Critical patent/CN105927939A/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V19/00Fastening of light sources or lamp holders
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V19/00Fastening of light sources or lamp holders
    • F21V19/001Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V19/00Fastening of light sources or lamp holders
    • F21V19/001Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
    • F21V19/0015Fastening arrangements intended to retain light sources
    • F21V19/0025Fastening arrangements intended to retain light sources the fastening means engaging the conductors of the light source, i.e. providing simultaneous fastening of the light sources and their electric connections
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21LIGHTING
    • F21VFUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V23/00Arrangement of electric circuit elements in or on lighting devices
    • F21V23/06Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices, e.g. connectors

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Fastening Of Light Sources Or Lamp Holders (AREA)

Abstract

The invention discloses a COB light source fixing seat of a circuit clamping structure, which comprises a base and two conducting strips, wherein the base is provided with a plurality of conducting strips; the middle part of the base is provided with a light-emitting opening with the size matched with the LED chip of the COB light source, and the two conducting strips are embedded in the base and are respectively positioned at two sides of the light-emitting opening; two connecting ports are formed in the outer edge of the base, one ends of the two conducting strips extend to the corresponding connecting ports respectively to serve as electrodes of the corresponding connecting ports respectively, each connecting port is provided with a line clamping structure for fixing a wire, each line clamping structure comprises a first limiting part, a second limiting part, a third limiting part and a Z-shaped metal elastic piece, and each Z-shaped metal elastic piece comprises a first baffle piece, a connecting piece and a second baffle piece which are connected together in sequence. The invention has simple structure and convenient use, not only can effectively improve the assembly efficiency, but also can optimize the product quality.

Description

COB light source fixing base with circuit clamping structure
Technical Field
The present invention relates to a COB light source holder, and more particularly to a COB light source holder with a circuit clamping structure.
Background
The COB (Chip On Board) light source is a light source formed by mounting an LED Chip On a substrate by a heat treatment method, and covering, fixing and packaging the LED Chip with a thermally conductive epoxy resin. At present, a COB light source is generally installed on a lamp in a welding mode, four welding spots are distributed on a substrate of the COB light source, workers need to weld one welding spot, assembly efficiency is low, and the multi-welding spot welding process is easy to cause cold welding, so that product quality is affected.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a COB light source fixing seat with a line clamping structure, which can solve the problems of low assembly efficiency and influence on product quality.
The invention adopts the following technical scheme:
a COB light source fixing seat with a circuit clamping structure comprises a base and two conducting strips; the middle part of the base is provided with a light-emitting opening with the size matched with the LED chip of the COB light source, and the two conducting strips are embedded in the base and are respectively positioned at two sides of the light-emitting opening; the outer edge of the base is provided with two connecting ports, one ends of the two conducting strips extend to the corresponding connecting ports respectively to serve as electrodes of the corresponding connecting ports, each connecting port is provided with a line clamping structure for fixing a lead, each line clamping structure comprises a first limiting part, a second limiting part, a third limiting part and a Z-shaped metal spring piece, the Z-shaped metal spring pieces comprise a first baffle piece, a connecting piece and a second baffle piece which are sequentially connected together, the first limiting part is positioned on one side of the connecting port and used for fixing the first baffle piece of the Z-shaped metal spring piece, the second limiting part is positioned on the outer side of the first limiting part and used for fixing the second baffle piece of the Z-shaped metal spring piece, and the third limiting part is positioned on the other side of the connecting port and forms a clamping space with the second baffle piece; when no wire is inserted into the clamping space of the connecting port, the second limiting part is positioned at the first position under the action of the Z-shaped metal elastic sheet, when the wire is inserted into the clamping space of the connecting port, the second limiting part is positioned at the second position, and the wire is fixed between the second baffle sheet and the third limiting part under the action of the Z-shaped metal elastic sheet so as to electrically connect the wire with the corresponding conducting sheet,
the first position is that one end of the second limiting part is far away from one side of the connecting port, and the other end of the second limiting part is close to the third limiting part; the second position is that one end of the second limiting part is close to one side of the connecting port, and the other end of the second limiting part acts on the guide wire through the second baffle.
Preferably, two welding notches are further formed in the outer edge of the base, and the other ends of the two conductive sheets extend to the two welding notches respectively to serve as corresponding welding ends respectively.
Preferably, the base is provided with two cylindrical first mounting through holes, and the two first mounting through holes are respectively positioned at two opposite sides of the light-emitting opening.
Preferably, the base is further provided with two semi-closed second mounting through holes, and the two second mounting through holes are respectively positioned at two opposite sides of the light-emitting opening.
Preferably, the base is also provided with a semicircular limiting through hole communicated with the light-emitting opening.
Preferably, the base is provided with two first assembly through holes which are respectively positioned at two opposite sides of the light-emitting opening and are used for fixing the secondary optical element.
Preferably, the base is further provided with two semi-closed second assembly through holes which are respectively positioned at two opposite sides of the light-emitting opening, and the two second assembly through holes are used for fixing the secondary optical element.
Preferably, an installation groove with a size matched with the substrate of the COB light source is formed in the middle of the bottom plate of the base, and four bonding pads used for welding and fixing the substrate of the COB light source are arranged on the bottom wall of the installation groove.
Preferably, a detachable protective cover matched with the shape of each connecting port is arranged above each connecting port.
Preferably, the protection cover is provided with three protruding parts, the first limiting part is provided with a fixing hole for installing one protruding part, and the third limiting part is provided with two fixing holes for installing the other two protruding parts correspondingly.
Compared with the prior art, the invention has the beneficial effects that:
the invention has simple structure, adopts a direct splicing method, can effectively improve the assembly efficiency and can optimize the product quality. The Z-shaped metal elastic sheet can be used for directly and effectively fixing the lead, so that the use is more convenient.
Drawings
Fig. 1 is a perspective view of a COB light source holder with a circuit clamping structure according to the present invention.
Fig. 2 is an enlarged view of a portion a in fig. 1.
Fig. 3 is a perspective view of another view of the COB light source holder of fig. 1.
In the figure: 1. a base; 2. a positive electrode conductive sheet; 21. a positive electrode conductive bump; 3. a negative electrode conductive sheet; 31. a positive electrode conductive bump; 4. a light emitting opening; 5. a connection port; 61. a first limit part; 62. a second limit part; 63. a third limit part; 64. a Z-shaped metal spring plate; 641. a first baffle; 642. a connecting sheet; 643. a second baffle; 71. a first mounting through hole; 72. a second mounting through hole; 73. limiting through holes; 74. a first fitting through hole; 75. a second fitting through hole; 8. a mounting groove; 81. a bonding pad; 9. and a fixing hole.
Detailed Description
The invention will be further described with reference to the accompanying drawings and detailed description below:
as shown in fig. 1 to 3, a COB light source fixing base with a circuit clamping structure includes a base 1 and two conductive sheets. Wherein the base 1 may be of flat construction.
The middle part of the base 1 is provided with a luminous opening 4 with a size matched with the LED chip of the COB light source, and the two conducting strips 3 are embedded in the base 1 and are respectively positioned at two sides of the luminous opening 4. Two connection ports 5 are arranged on the outer edge of the base 1, one end of each conductive sheet extends to the corresponding connection port to serve as electrodes of the corresponding connection port 5, and each connection port 5 is provided with a line clamping structure for fixing a wire.
Preferably, two welding notches are further formed on the outer edge of the base 1, and the other ends of the two conductive sheets extend to the two welding notches respectively to serve as corresponding welding ends respectively. Further, the two electrodes may be a positive electrode conductive sheet and a negative electrode conductive sheet, respectively. For example, from the perspective of fig. 1, the conductive sheet located on the left side of the base 1 is the positive conductive sheet 2, and the conductive sheet located on the right side of the base 1 is the negative conductive sheet 3.
Therefore, when in use, a user can directly insert the lead into the line clamping structure according to the requirement, or respectively weld the lead on the welding ends in a thermal isolation welding mode, so as to realize the electric connection between the COB light source and the external driver. When the circuit is required to be changed, only the wire is required to be directly pulled out and then the other wire is connected, so that the circuit is very fast and convenient. And by adopting a thermal isolation welding mode, the lead can be removed by removing tin, and the lead of the other path can be welded again, so that the method is also convenient.
Specifically, the line clamping structure includes a first limiting portion 61, a second limiting portion 62, a third limiting portion 63, and a Z-shaped metal spring 64, where the Z-shaped metal spring 64 includes a first blocking piece 641, a connecting piece 642, and a second blocking piece 643 that are sequentially connected together, the first limiting portion 61 is located at one side of the connecting port 5, so as to fix the first blocking piece 641 of the Z-shaped metal spring 64, the second limiting portion 62 is located at the outer side of the first limiting portion 61, so as to fix the second blocking piece 643 of the Z-shaped metal spring 64, and the third limiting portion 63 is located at the other side of the connecting port 5, so as to form a clamping space with the second blocking piece 643.
When no wire is inserted into the clamping space of the connection port, the second limiting part 62 is at the first position under the action of the Z-shaped metal spring plate 64. When a wire is inserted into the clamping space of the connection port 5, the second limiting part 62 is at the second position, and the wire is fixed between the second blocking piece 643 and the third limiting part 63 under the action of the Z-shaped metal elastic sheet 64, so that the wire is electrically connected with the corresponding conductive sheet, and the electrical connection between the COB light source and the external driver is realized. The first position is that one end of the second limiting part is far away from one side of the connecting port, and the other end of the second limiting part is close to the third limiting part; the second position is that one end of the second limiting part is close to one side of the connecting port, and the other end of the second limiting part acts on the guide wire through the second baffle. The line clamping structure not only can improve the assembly efficiency, but also can avoid using a welding mode and optimize the product quality.
Preferably, the base is provided with two cylindrical first mounting through holes 71, and the two first mounting through holes are respectively located at two opposite sides of the light emitting opening. The first mounting through hole is used for fixing the base on the external radiator through screws. Here, the setting of the position of the first mounting through hole can optimize the fixing performance.
Preferably, the base is further provided with two semi-closed second mounting through holes 72, and the two second mounting through holes are respectively located at two opposite sides of the light emitting opening. The second mounting through hole may also be used to fix the base to the external heat sink by screws. Here, the setting of the position of the second mounting through hole can optimize the fixing performance.
Preferably, the base is further provided with a semicircular limiting through hole 73 communicated with the light emitting opening, so that the polarity position of the COB light source can be conveniently identified during assembly. When the marking circle is arranged on the substrate of the COB light source, the marking circle is exposed out of the limiting through hole 73 during assembly, and then the COB light source is installed correctly.
Preferably, the base is provided with two first assembly through holes 74 respectively located at two opposite sides of the light emitting opening, and the two first assembly through holes are used for fixing the secondary optical element. Further, the base is further provided with two semi-closed second assembly through holes 75 respectively located at two opposite sides of the light emitting opening, and the two second assembly through holes are used for fixing the secondary optical element. Wherein the secondary optical element may be a reflector cup or a lens.
Preferably, an installation groove 8 with a size matched with the substrate of the COB light source is formed in the middle of the bottom plate of the base, and four bonding pads 81 for welding and fixing the substrate of the COB light source are arranged on the bottom wall of the installation groove 8. In addition, the positive electrode conductive sheet 2 and the negative electrode conductive sheet 3 are respectively provided with a positive electrode conductive protrusion 21 and a positive electrode conductive protrusion 31, the bottom wall of the mounting groove 8 is provided with a through hole for exposing the positive electrode to the electric protrusion and the negative electrode conductive protrusion, and the positive electrode conductive protrusion 21 and the negative electrode conductive protrusion 31 are used for respectively electrically connecting the positive electrode and the negative electrode of the COB light source.
Preferably, a detachable protective cover matched with the shape of each connecting port is arranged above each connecting port. The protection cover is provided with three protruding parts, the first limiting part 61 is provided with a fixing hole 9 for installing one protruding part, and the third limiting part 63 is provided with two fixing holes 9 for installing the other two protruding parts correspondingly. The protective cover can protect the circuit clamping structure from external influence, and the working stability of the product is improved.
It will be apparent to those skilled in the art from this disclosure that various other changes and modifications can be made which are within the scope of the invention as defined in the appended claims.

Claims (9)

1. The COB light source fixing seat with the circuit clamping structure is characterized by comprising a base and two conductive sheets;
the middle part of the base is provided with a light-emitting opening with the size matched with the LED chip of the COB light source, and the two conducting strips are embedded in the base and are respectively positioned at two sides of the light-emitting opening; the outer edge of the base is provided with two connecting ports, one ends of the two conducting strips extend to the corresponding connecting ports respectively to serve as electrodes of the corresponding connecting ports, each connecting port is provided with a line clamping structure for fixing a lead, each line clamping structure comprises a first limiting part, a second limiting part, a third limiting part and a Z-shaped metal spring piece, the Z-shaped metal spring pieces comprise a first baffle piece, a connecting piece and a second baffle piece which are sequentially connected together, the first limiting part is positioned on one side of the connecting port and used for fixing the first baffle piece of the Z-shaped metal spring piece, the second limiting part is positioned on the outer side of the first limiting part and used for fixing the second baffle piece of the Z-shaped metal spring piece, and the third limiting part is positioned on the other side of the connecting port and forms a clamping space with the second baffle piece;
when no wire is inserted into the clamping space of the connecting port, the second limiting part is positioned at the first position under the action of the Z-shaped metal elastic sheet, when the wire is inserted into the clamping space of the connecting port, the second limiting part is positioned at the second position, and the wire is fixed between the second baffle sheet and the third limiting part under the action of the Z-shaped metal elastic sheet so as to electrically connect the wire with the corresponding conducting sheet,
the first position is that one end of the second limiting part is far away from one side of the connecting port, and the other end of the second limiting part is close to the third limiting part; the second position is that one end of the second limiting part is close to one side of the connecting port, and the other end of the second limiting part acts on the guide wire through the second baffle plate;
the base is also provided with a semicircular limiting through hole communicated with the light-emitting opening, and the semicircular limiting through hole is used for identifying the polar position during the assembly of the COB light source.
2. The COB light source holder with a circuit holding structure of claim 1, wherein two welding notches are further formed on the outer edge of the base, and the other ends of the two conductive sheets extend to the two welding notches respectively to serve as corresponding welding ends respectively.
3. The COB light source holder with a circuit holding structure of claim 1, wherein two cylindrical first mounting holes are formed on the base, and the two first mounting holes are respectively located at two opposite sides of the light emitting opening.
4. The COB light source holder with a circuit holding structure of claim 3, wherein the base is further provided with two semi-closed second mounting holes, which are respectively located at two opposite sides of the light emitting opening.
5. The COB light source holder with a circuit holding structure of claim 1, wherein the base is provided with two first assembly holes respectively located at two opposite sides of the light emitting opening, and the two first assembly holes are used for fixing the secondary optical element.
6. The COB light source holder with a circuit holding structure of claim 5, wherein the base further has two semi-closed second assembly holes respectively located at two opposite sides of the light emitting opening, and the two second assembly holes are used for fixing the secondary optical element.
7. The COB light source holder with a circuit holding structure of claim 1 wherein a mounting groove with a size matching the substrate of the COB light source is formed in the middle of the bottom plate of the base, and four bonding pads for bonding and fixing the substrate of the COB light source are formed on the bottom wall of the mounting groove.
8. The COB light source holder with a circuit holding structure of claim 1, wherein a removable protective cover is provided over each connection port to match its shape.
9. The COB light source holder with a circuit holding structure of claim 8, wherein three protrusions are provided on the protective cover, a fixing hole for installing one of the protrusions is provided on the first limiting portion, and two fixing holes for installing two other protrusions are provided on the third limiting portion.
CN201610447440.0A 2016-06-17 2016-06-17 COB light source fixing base with circuit clamping structure Active CN105927939B (en)

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Application Number Priority Date Filing Date Title
CN201610447440.0A CN105927939B (en) 2016-06-17 2016-06-17 COB light source fixing base with circuit clamping structure

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Application Number Priority Date Filing Date Title
CN201610447440.0A CN105927939B (en) 2016-06-17 2016-06-17 COB light source fixing base with circuit clamping structure

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CN105927939B true CN105927939B (en) 2023-12-22

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWM293390U (en) * 2006-01-27 2006-07-01 Taiwan Fluorescent Lamp Co Ltd Improved structure of lamp foot base
CN102853298A (en) * 2012-09-17 2013-01-02 东莞勤上光电股份有限公司 Welded type COB (chip on board)-LED light source module
CN203036587U (en) * 2012-12-29 2013-07-03 东莞安尚崇光科技有限公司 Solderless LED (light-emitting diode) light source conductive structure
JP2014179223A (en) * 2013-03-14 2014-09-25 Panasonic Corp Light source for illumination and lighting device
CN204268401U (en) * 2014-12-10 2015-04-15 林闽应 The LED lamp holder improved and comprise the LED of this support
JP2015119022A (en) * 2013-12-18 2015-06-25 三星電子株式会社Samsung Electronics Co.,Ltd. Light-emitting device, and manufacturing method therefor

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4749479B2 (en) * 2008-07-31 2011-08-17 山一電機株式会社 Contact and IC socket using the same
US8066420B2 (en) * 2009-11-11 2011-11-29 Ming Jen Hsiao Aroma diffusing night lamp system having an angle-adjustable electric plug
EP2652388A1 (en) * 2010-12-15 2013-10-23 Illinois Tool Works, Inc. Heat-sink/connector system for light emitting diode

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWM293390U (en) * 2006-01-27 2006-07-01 Taiwan Fluorescent Lamp Co Ltd Improved structure of lamp foot base
CN102853298A (en) * 2012-09-17 2013-01-02 东莞勤上光电股份有限公司 Welded type COB (chip on board)-LED light source module
CN203036587U (en) * 2012-12-29 2013-07-03 东莞安尚崇光科技有限公司 Solderless LED (light-emitting diode) light source conductive structure
JP2014179223A (en) * 2013-03-14 2014-09-25 Panasonic Corp Light source for illumination and lighting device
JP2015119022A (en) * 2013-12-18 2015-06-25 三星電子株式会社Samsung Electronics Co.,Ltd. Light-emitting device, and manufacturing method therefor
CN204268401U (en) * 2014-12-10 2015-04-15 林闽应 The LED lamp holder improved and comprise the LED of this support

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Address after: 511300 Second Floor, C1, High tech Industrial Base (Factory Building), East District, Zengjiang Street, Zengcheng District, Guangzhou, Guangdong

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