CN105805575A - LED floodlight - Google Patents
LED floodlight Download PDFInfo
- Publication number
- CN105805575A CN105805575A CN201610232488.XA CN201610232488A CN105805575A CN 105805575 A CN105805575 A CN 105805575A CN 201610232488 A CN201610232488 A CN 201610232488A CN 105805575 A CN105805575 A CN 105805575A
- Authority
- CN
- China
- Prior art keywords
- pcb board
- radiator
- pcb
- stopping means
- framework
- 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.)
- Pending
Links
Classifications
-
- 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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/502—Cooling arrangements characterised by the adaptation for cooling of specific components
- F21V29/503—Cooling arrangements characterised by the adaptation for cooling of specific components of light sources
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- 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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/71—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks using a combination of separate elements interconnected by heat-conducting means, e.g. with heat pipes or thermally conductive bars between separate heat-sink elements
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- 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
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/85—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems characterised by the material
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The invention discloses an LED floodlight. The LED floodlight comprises a light body, a radiator, a PCB and a spacing device which is made of an elastic material, wherein the spacing device comprises a frame which can be used for surrounding four side edges of the PCB; a spacing bulge is arranged on the inner side wall of the frame; the PCB is detachably mounted in the frame of the spacing device; the radiator is fastened with the spacing device and the light body through fastening devices; one surface, close to an LED light source module, of the PCB is in contact with the spacing bulge of the spacing device so as to prevent the PCB from falling off from the front part of the frame; and one surface, far away from the LED light source module, of the PCB is in contact with the radiator. The LED floodlight is free of twice screw mounting so that the assembling efficiency is relatively high; the PCB is uniformly stressed during expansion due to heat, has good radiation effect and is not liable to damage; the PCB can be prevented from falling off from the front part of the frame; direct rigid extrusion does not exist between the PCB and the light body, so that the PCB is further protected.
Description
Technical field
The present invention relates to lighting technical field, be specifically related to a kind of LED projector lamp.
Background technology
Existing LED projector lamp generally comprises lamp body, radiator and is provided with the pcb board of LED light source module, described pcb board is installed on a heat sink typically via screw, radiator is arranged on lamp body again through screw, twice screw is adopted to install fixing, not only efficiency of assembling is low, and is being rigidly connected of screw due to what adopt between pcb board and radiator, in pcb board expanded by heating process, easily lead to pcb board each several part discontinuity and affect radiating effect, and also be likely to damage pcb board.
Summary of the invention
The technical problem to be solved in the present invention is: uniform force, good heat dissipation effect and non-damageable LED projector lamp during offer one pcb board expanded by heating.
The technical solution of the present invention is: a kind of LED projector lamp, including lamp body, radiator and pcb board, it is characterized in that: also include the stopping means being made up of elastomeric material, described stopping means includes to live the framework of four sides of pcb board by frame, the medial wall of described framework is provided with spacing preiection, in the removable framework being arranged on stopping means of described pcb board, described radiator is by together with clamp device is fixed with stopping means and lamp body, and pcb board offsets for preventing pcb board from coming off from the front portion of framework near the one side of LED light source module and the spacing preiection of stopping means, one side away from LED light source module offsets with radiator.
After adopting said structure, the invention have the advantages that
LED projector lamp of the present invention is on the one hand without performing twice at screw installation, and efficiency of assembling is higher；Second aspect, the present invention is first by removable for the pcb board framework being arranged on stopping means, again by radiator by together with clamp device is fixed with stopping means and lamp body, pcb board is made to offset with the spacing preiection on stopping means near the one side of LED light source module, one side away from LED light source module offsets with radiator, thus can pcb board be clamped between lamp body and radiator, make no longer to be rigidly connected between pcb board and radiator, so that uniform force, good heat dissipation effect during pcb board expanded by heating, being hardly damaged；The third aspect, the present invention arranges spacing preiection on the medial wall of framework, both can prevent pcb board from coming off from the front portion of framework, and direct rigidity between pcb board and lamp body can be made again to extrude, but Elastic Contact, thus protecting pcb board further.
As preferably, before stopping means is fixed by radiator, pcb board is positioned at the outside of the framework of stopping means away from the one side of LED light source module.This setting makes radiator and stopping means be fixed in process, radiator first contacts pcb board, then the spacing preiection of stopping means is pressed to pcb board, make spacing preiection generation elastic deformation, pcb board is produced reverse resilient pressing force, such that it is able to make can closely combine between pcb board and radiator, play good contact conductive force.
As preferably, described lamp body is provided with the positioning bar for limiting stopping means position.This setting makes the position of stopping means fix, so that pcb board is not susceptible to skew.
As preferably, being provided with silica gel heat-conducting layer between described pcb board and radiator.This arranges the heat guide radiator better that can make pcb board on the one hand, on the other hand owing to silica gel heat-conducting layer is a kind of flexible material, there is certain mobility, can fill gap when radiator is with pcb board air spots keep good face to contact, fully, silica gel heat-conducting layer also has the effect of insulation, damping in addition for uniform force, heat conduction.
As preferably, described silica gel heat-conducting layer being also mixed into the microcapsule that phase-change material is made.This arranges available phase-change heat-storage material and absorbs the heat of pcb board, makes the temperature of pcb board to increase too fast, thus being conducive to the reliably working of components and parts on pcb board, the heat that phase-change heat-storage material absorbs simultaneously can be discharged by radiator again in time.
The beneficial effects of the present invention is: LED projector lamp of the present invention is on the one hand without performing twice at screw installation, and efficiency of assembling is higher；The present invention is first by removable for the pcb board framework being arranged on stopping means, again by radiator by together with clamp device is fixed with stopping means and lamp body, pcb board is made to offset with the spacing preiection on stopping means near the one side of LED light source module, one side away from LED light source module offsets with radiator, thus can pcb board be clamped between lamp body and radiator, make no longer to be rigidly connected between pcb board and radiator, so that uniform force, good heat dissipation effect during pcb board expanded by heating, being hardly damaged；The present invention arranges spacing preiection on the medial wall of framework, both can prevent pcb board from coming off from the front portion of framework, and direct rigidity between pcb board and lamp body can be made again to extrude, but Elastic Contact, thus protecting pcb board further.
Accompanying drawing explanation
Fig. 1 is the explosive view of LED projector lamp of the present invention.
Fig. 2 is the structural representation after LED projector lamp of the present invention is installed.
Fig. 3 is the position view of each parts before LED projector lamp of the present invention assembling.
Fig. 4 is the position view of each parts after LED projector lamp of the present invention assembling.
In figure: 1-lamp body, 2-radiator, 3-PCB plate, 4-framework, 5-spacing preiection, 6-clamp device, 7-LED light source module, 8-PCB plate is away from the one side of LED light source module, 9-PCB plate is near the one side of LED light source module, 10-positioning bar, 11-silica gel heat-conducting layer, the microcapsule that 12-phase-change material is made.
Detailed description of the invention
Below in conjunction with accompanying drawing, and the present invention is described further in conjunction with the embodiments.
Embodiment: such as Fig. 1, shown in Fig. 2, a kind of LED projector lamp, including lamp body 1, radiator 2 and pcb board 3, it is characterized in that: also include the stopping means being made up of elastomeric material, elastomeric material is rubber such as, described stopping means includes to live the framework 4 of 3 four sides of pcb board by frame, the medial wall of described framework 4 is provided with spacing preiection 5, in the removable framework 4 being arranged on stopping means of described pcb board 3, described radiator 2 is by together with clamp device 6 is fixed with stopping means and lamp body 1, and pcb board 3 offsets for preventing pcb board 3 from coming off from the front portion of framework 4 near the one side 9 of LED light source module 7 with the spacing preiection 5 of stopping means, one side 8 away from LED light source module 7 offsets with radiator 2.
LED projector lamp of the present invention is on the one hand without performing twice at screw installation, and efficiency of assembling is higher；Second aspect, the present invention is first by removable for pcb board 3 framework 4 being arranged on stopping means, again by radiator 2 by together with clamp device 6 is fixed with stopping means and lamp body 1, pcb board 3 is made to offset with the spacing preiection 5 on stopping means near the one side 9 of LED light source module 7, one side 8 away from LED light source module 7 offsets with radiator 2, thus can pcb board 3 be clamped between lamp body 1 and radiator 2, make no longer to be rigidly connected between pcb board 3 and radiator 2, so that uniform force, good heat dissipation effect during pcb board 3 expanded by heating, being hardly damaged；The third aspect, the present invention arranges spacing preiection 5 on the medial wall of framework 4, both can prevent pcb board 3 from coming off from the front portion of framework 4, and direct rigidity between pcb board 3 and lamp body 1 can be made again to extrude, but Elastic Contact, thus protecting pcb board 3 further.
As preferably, before stopping means is fixed by radiator 2, pcb board 3 is positioned at the outside of the framework 4 of stopping means away from the one side 8 of LED light source module 7.This setting makes radiator 2 and stopping means be fixed in process, as shown in Figure 3, Figure 4, radiator 2 first contacts pcb board 3, then the spacing preiection 5 of stopping means is pressed to pcb board 3, make spacing preiection 5 that elastic deformation to occur, pcb board 3 is produced reverse resilient pressing force, such that it is able to make can closely combine between pcb board 3 and radiator 2, plays good contact conductive force.
As preferably, described lamp body 1 is provided with the positioning bar 10 for limiting stopping means position.This setting makes the position of stopping means fix, so that pcb board 3 is not susceptible to skew.
As preferably, being provided with silica gel heat-conducting layer 11 between described pcb board 3 and radiator 2.This arranges heat guide radiator 2 better that can make pcb board 3 on the one hand, on the other hand owing to silica gel heat-conducting layer 11 is a kind of flexible material, there is certain mobility, can remain to when radiator 2 is with pcb board 3 air spots keep good face to contact, fully, silica gel heat-conducting layer 11 also has the effect of insulation, damping in addition for uniform force, heat conduction.
As preferably, described silica gel heat-conducting layer 11 is also mixed into the microcapsule 12 that phase-change material is made, the microcapsule 12 that described phase-change material is made is mixed into when silica gel heat-conducting layer 11 is unformed, and manufacturing process is prior art, and utilizes phase-change material to make microcapsule 12 also for prior art.This arranges available phase-change heat-storage material and absorbs the heat of pcb board 3, makes the temperature of pcb board 3 to increase too fast, thus being conducive to the reliably working of components and parts on pcb board 3, the heat that phase-change heat-storage material absorbs simultaneously can be discharged by radiator 2 again in time.
Claims (5)
1. a LED projector lamp, including lamp body, radiator and pcb board, it is characterized in that: also include the stopping means being made up of elastomeric material, described stopping means includes to live the framework of four sides of pcb board by frame, the medial wall of described framework is provided with spacing preiection, in the removable framework being arranged on stopping means of described pcb board, described radiator is by together with clamp device is fixed with stopping means and lamp body, and pcb board offsets for preventing pcb board from coming off from the front portion of framework near the one side of LED light source module and the spacing preiection of stopping means, one side away from LED light source module offsets with radiator.
2. a kind of LED projector lamp according to claim 1, it is characterised in that: before stopping means is fixed by radiator, pcb board is positioned at the outside of the framework of stopping means away from the one side of LED light source module.
3. a kind of LED projector lamp according to claim 1, it is characterised in that: described lamp body is provided with the positioning bar for limiting stopping means position.
4. a kind of LED projector lamp according to claim 1, it is characterised in that: it is provided with silica gel heat-conducting layer between described pcb board and radiator.
5. a kind of LED projector lamp according to claim 4, it is characterised in that: described silica gel heat-conducting layer is also mixed into the microcapsule that phase-change material is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610232488.XA CN105805575A (en) | 2016-04-15 | 2016-04-15 | LED floodlight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610232488.XA CN105805575A (en) | 2016-04-15 | 2016-04-15 | LED floodlight |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105805575A true CN105805575A (en) | 2016-07-27 |
Family
ID=56459268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610232488.XA Pending CN105805575A (en) | 2016-04-15 | 2016-04-15 | LED floodlight |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105805575A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109210390A (en) * | 2017-06-29 | 2019-01-15 | 江苏日月照明电器有限公司 | A kind of flat lamp liner of shell convex surface domes |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10341087A (en) * | 1997-06-10 | 1998-12-22 | Alps Electric Co Ltd | Connection structure of frame and printed circuit board |
| CN201259153Y (en) * | 2008-10-08 | 2009-06-17 | 史杰 | Highly effective heat radiation high power LED projector |
| US20090257206A1 (en) * | 2008-04-11 | 2009-10-15 | Bernd Beyer | Holding apparatus |
| CN201902935U (en) * | 2010-12-07 | 2011-07-20 | 天津市中环华祥电子有限公司 | Multi-point LED (light emitting diode) projection lamp |
| WO2012117310A1 (en) * | 2011-03-03 | 2012-09-07 | Koninklijke Philips Electronics N.V. | Light-emitting device with spring-loaded led-holder |
| CN103335254A (en) * | 2013-07-26 | 2013-10-02 | 中节能晶和照明有限公司 | LED (Light Emitting Diode) light source module and LED streetlamp using same |
| CN103346136A (en) * | 2013-06-05 | 2013-10-09 | 吉林华微斯帕克电气有限公司 | Power module and packaging method thereof |
| CN205014163U (en) * | 2015-08-28 | 2016-02-03 | 瑞仪光电(苏州)有限公司 | Backlight module and have this backlight module's display device |
| CN105348797A (en) * | 2015-10-21 | 2016-02-24 | 中国科学院宁波材料技术与工程研究所 | Graphene-based heat conduction silica gel phase change composite material and preparation method thereof |
-
2016
- 2016-04-15 CN CN201610232488.XA patent/CN105805575A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10341087A (en) * | 1997-06-10 | 1998-12-22 | Alps Electric Co Ltd | Connection structure of frame and printed circuit board |
| US20090257206A1 (en) * | 2008-04-11 | 2009-10-15 | Bernd Beyer | Holding apparatus |
| CN201259153Y (en) * | 2008-10-08 | 2009-06-17 | 史杰 | Highly effective heat radiation high power LED projector |
| CN201902935U (en) * | 2010-12-07 | 2011-07-20 | 天津市中环华祥电子有限公司 | Multi-point LED (light emitting diode) projection lamp |
| WO2012117310A1 (en) * | 2011-03-03 | 2012-09-07 | Koninklijke Philips Electronics N.V. | Light-emitting device with spring-loaded led-holder |
| CN103346136A (en) * | 2013-06-05 | 2013-10-09 | 吉林华微斯帕克电气有限公司 | Power module and packaging method thereof |
| CN103335254A (en) * | 2013-07-26 | 2013-10-02 | 中节能晶和照明有限公司 | LED (Light Emitting Diode) light source module and LED streetlamp using same |
| CN205014163U (en) * | 2015-08-28 | 2016-02-03 | 瑞仪光电(苏州)有限公司 | Backlight module and have this backlight module's display device |
| CN105348797A (en) * | 2015-10-21 | 2016-02-24 | 中国科学院宁波材料技术与工程研究所 | Graphene-based heat conduction silica gel phase change composite material and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109210390A (en) * | 2017-06-29 | 2019-01-15 | 江苏日月照明电器有限公司 | A kind of flat lamp liner of shell convex surface domes |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160727 |