CN203836914U - LED optical engine - Google Patents
LED optical engine Download PDFInfo
- Publication number
- CN203836914U CN203836914U CN201420143405.6U CN201420143405U CN203836914U CN 203836914 U CN203836914 U CN 203836914U CN 201420143405 U CN201420143405 U CN 201420143405U CN 203836914 U CN203836914 U CN 203836914U
- Authority
- CN
- China
- Prior art keywords
- radiator
- base
- led photo
- light source
- photo engine
- 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.)
- Expired - Lifetime
Links
- 230000003287 optical effect Effects 0.000 title abstract 5
- 238000007789 sealing Methods 0.000 claims abstract description 27
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000000741 silica gel Substances 0.000 claims abstract description 15
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 15
- 239000011521 glass Substances 0.000 claims description 39
- 238000012216 screening Methods 0.000 claims description 39
- 229910000838 Al alloy Inorganic materials 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 15
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 239000004417 polycarbonate Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Landscapes
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The utility model provides an LED optical engine which comprises a base with a cavity, a power supply cavity arranged in the cavity of the base, a driving circuit board arranged in the power supply cavity, a radiator and a COB (chip on board) light source, wherein the radiator is connected with the base and covers the driving circuit board; a mounting groove is formed in one end, far away from the base, of the radiator; the COB light source is arranged in the mounting groove and connected with the driving circuit board; the power supply cavity is provided with a guide hole for allowing the connecting lead of the driving circuit board to stretch out of the base; the guide hole is filled with seal silica gel. According to the utility model, sealing of the guide hole is realized, so that water is prevented from entering into the power supply cavity from the guide hole and flowing into the driving circuit board along the connecting lead, the waterproofness of the LED optical engine is effectively improved, and the service life of the LED optical engine is further prolonged; in addition, the LED optical engine can be applicable to the moister environment or outdoors, so that limitation to the service environment is effectively reduced.
Description
Technical field
The utility model relates to technical field of lighting fixtures, more particularly, relates to a kind of LED photo engine.
Background technology
Due to LED(light emitting diode) light fixture has the advantages such as overlength in energy-efficient, service life, and LED light fixture is widely used gradually.In order to be beneficial to the popularization of LED light fixture, improve the application quality of LED light fixture, researched and developed LED photo engine.LED photo engine is the entire combination that comprises LED potted element (LED array module), LED driver and other luminosity, calorifics, machinery and electrical equipment, and LED photo engine is directly connected on branch circuit by a conventional connector mating with LED light fixture.
But the water resistance of current LED photo engine is poor, cause the service life of LED photo engine shorter.In addition, also limited the environment for use of LED photo engine.
In sum, how providing a kind of LED photo engine, to improve its water resistance, and then increase the service life, is current those skilled in the art's problem demanding prompt solution.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of LED photo engine, to improve its water resistance, and then increases the service life.
In order to achieve the above object, the utility model provides following technical scheme:
A LED photo engine, comprising:
The base with inner chamber;
Be arranged at the power source cavity in the inner chamber of described base;
Be arranged at the drive circuit board in described power source cavity;
Be connected with described base and cover at the radiator on described drive circuit board, described radiator is provided with mounting groove away from one end of described base;
Be arranged in described mounting groove and the COB light source being connected with described drive circuit board;
Wherein, described power source cavity has the pilot hole that stretches out described base for the connection wire of described drive circuit board, and in described pilot hole, embedding has sealing silica gel.
Preferably, in above-mentioned LED photo engine, described sealing silica gel is arranged at the end that described pilot hole is positioned at described base one side.
Preferably, above-mentioned LED photo engine, also comprises: the first sealing ring of be tightly connected described radiator and described base.
Preferably, above-mentioned LED photo engine, also comprises: cover at the screening glass on described COB light source, described screening glass is connected with described radiator; The screening glass compacting ring of fixing described screening glass, described screening glass compacting ring is connected with described radiator; The second sealing ring of described screening glass compacting ring and described radiator is tightly connected.
Preferably, above-mentioned LED photo engine, also comprises: the 3rd sealing ring of be tightly connected described screening glass and described screening glass compacting ring.
Preferably, in above-mentioned LED photo engine, described screening glass compacting ring is connected with described radiator buckle.
Preferably, above-mentioned LED photo engine, also comprises: be arranged at the light source compressing tablet between described screening glass and described COB light source.
Preferably, in above-mentioned LED photo engine, described light source compressing tablet is arc compressing tablet, and described light source compressing tablet is two and is uniformly distributed on described COB light source.
Preferably, in above-mentioned LED photo engine, on described light source compressing tablet, be provided with erection column, described COB light source and described radiator are provided with the installing hole suitable with described erection column.
Preferably, above-mentioned LED photo engine, also comprises: be arranged at the heat-conducting pad between described radiator and described COB light source.
Preferably, in above-mentioned LED photo engine, described heat-conducting pad is silica-base material pad.
Preferably, in above-mentioned LED photo engine, be provided with the first positioning convex on the inwall of described base, the outer wall of described power source cavity has first detent suitable with described the first positioning convex.
Preferably, in above-mentioned LED photo engine, be provided with the second positioning convex on the inwall of described power source cavity, described drive circuit board outward flange is provided with second detent suitable with described the second positioning convex.
Preferably, in above-mentioned LED photo engine, the outer wall of described power source cavity is provided with mounting ear, the first installing hole arranging on described mounting ear; Described base is provided with the second installing hole of distribution corresponding to described the first installing hole; The bottom of described radiator is provided with the 3rd installing hole of setting corresponding to described the first installing hole; Wherein, described base, described power source cavity and described radiator are connected by the described screw that runs through successively described the second installing hole, described the first installing hole and described the 3rd installing hole.
Preferably, above-mentioned LED photo engine, also comprises: the wire briquetting of fixing described connection wire, the bottom of described base is provided with the direction recess matching with described wire briquetting.
Preferably, in above-mentioned LED photo engine, described base is aluminum alloy base; Described power source cavity is PC power source chamber.
Preferably, in above-mentioned LED photo engine, described radiator is aluminium alloy heat radiator; The outer surface of described radiator is corrugated surface.
The LED photo engine that the utility model provides, by the sealing of embedding in pilot hole silica gel, realized the sealing of pilot hole, thereby avoided water enter the inside of power source cavity and flow to drive circuit board along connecting wire from pilot hole, effectively improve the water resistance of this LED photo engine, and then effectively extended the service life of this LED photo engine.
Meanwhile, the LED photo engine that the utility model provides, has improved water resistance, can be applied to moister environment or be applied to outdoorly, effectively reduces the restriction to environment for use.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
External structure schematic diagram when the LED photo engine forward that Fig. 1 provides for the utility model embodiment is placed;
External structure schematic diagram when the LED photo engine that Fig. 2 provides for the utility model embodiment is oppositely placed;
The internal structure schematic diagram of the LED photo engine that Fig. 3 provides for the utility model embodiment.
In upper Fig. 1-Fig. 3:
1 for base, 101 for fixing hole, 102 for direction recess, 2 for radiator, 3 for screening glass compacting ring, 4 for screening glass, 5 for wire briquetting, 6 for COB light source, 7 for heat-conducting pad, 8 for light source compressing tablet, 9 for drive circuit board, 901 for connect wire, 10 for sealing silica gel, 11 for power source cavity, 1101 for pilot hole, 12 be that the first sealing ring, 13 is that the second sealing ring, 14 is the 3rd sealing ring.
The specific embodiment
The utility model embodiment provides a kind of LED photo engine, has improved its water resistance, and then has extended service life.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
The LED photo engine that the utility model embodiment provides, comprising: the base 1 with inner chamber; Be arranged at the power source cavity 11 in the inner chamber of base 1; Be arranged at the drive circuit board 9 in power source cavity 11; Be connected with base 1 and cover at the radiator 2 on drive circuit board 9, this radiator 2 is provided with mounting groove away from one end of base 1; Be arranged in mounting groove and the COB light source 6 being connected with drive circuit board 9; Wherein, power source cavity 11 has the pilot hole 1101 for connection wire 901 protuberate basic units 1 of drive circuit board 9, and the interior embedding of this pilot hole 1101 has sealing silica gel 10.
It should be noted that, at the interior embedding sealing of pilot hole 1101 silica gel 10, refer to and seal two connection wires 901 that silica gel 10 is tightly connected this pilot hole 901 and is connected wire 901 and is tightly connected adjacent.
The LED photo engine that the utility model embodiment provides, by sealing silica gel 10 in the interior embedding of pilot hole 1101, realized the sealing of pilot hole 1101, thereby avoided water enter the inside of power source cavity 11 and flow to drive circuit board 9 along connecting wire 901 from pilot hole 1101, effectively improve the water resistance of this LED photo engine, and then effectively extended the service life of this LED photo engine.
Meanwhile, the LED photo engine that the utility model embodiment provides, has improved water resistance, can be applied to moister environment or be applied to outdoorly, effectively reduces the restriction to environment for use.
It should be noted that, by the interior inner chamber that arranges of base 1, power source cavity 11 is being embedded in inner chamber, drive circuit board 9 is embedded in power source cavity 11; And, radiator 2 is covered on drive circuit board 9 and with base 1 bolt and is connected, drive circuit board 9 and power source cavity 11 being fixed in the cavity that radiator 2 and base 1 form, and COB(Chip On Board) light source 6 is arranged at radiator 2 and is connected away from one end of base 1 and with drive circuit board 9.The LED photo engine that the utility model embodiment provides, has effectively improved the cooperation tight ness rating between each parts, and then improves its combination property.
In the LED photo engine that above-described embodiment provides, on base 1, be provided with fixing hole 101, for installing with installing component.
For the ease of the embedding of sealing silica gel 10, in the LED photo engine that above-described embodiment provides, sealing silica gel 10 is arranged at the end that pilot hole 1101 is positioned at base 1 one sides.Seal silica gel 10 and be positioned at base 1 side, be convenient to like this seal the embedding of silica gel 10, facilitated making.
Further, the LED photo engine that above-described embodiment provides, also comprises: the first sealing ring 12 of be tightly connected radiator 2 and base 1.Like this, effectively avoid the gap of water between radiator 2 and base 1 to enter in power source cavity 11, further improved water resistance.
Preferably, the LED photo engine that above-described embodiment provides, also comprises: cover at the screening glass 4 on COB light source 6, this screening glass 4 is connected with radiator 2; The fixing screening glass compacting ring 3 of screening glass 4, this screening glass compacting ring 3 is connected with radiator 2; The second sealing ring 13 of screening glass compacting ring 3 and radiator 2 is tightly connected.Like this, by screening glass compacting ring 3, screening glass 4 is compressed to COB light source 6, avoid screening glass 4 to come off, and then improved service life; Meanwhile, the second sealing ring 13 be tightly connected screening glass compacting ring 3 and radiator 2, have higher water resistance.In order further to improve water resistance, preferentially select above-mentioned LED photo engine also to comprise: the 3rd sealing ring 14 of be tightly connected screening glass 4 and screening glass compacting ring 3.For the ease of installing, screening glass compacting ring 3 is connected with radiator 2 buckles, and then has effectively improved it and connect convenient degree.Concrete, on radiator 2, be provided with draw-in groove, on screening glass compacting ring 3, be provided with the snap fit suitable with draw-in groove.Certainly, can on screening glass compacting ring 3, be provided with draw-in groove yet, be provided with the snap fit suitable with draw-in groove on radiator 2, the utility model embodiment does not limit the concrete syndeton of the two.
In order effectively to increase the service life, the LED photo engine that above-described embodiment provides, also comprises the light source compressing tablet 8 being arranged between screening glass 4 and COB light source 6.By light source compressing tablet 8 is set, avoided screening glass 4 excessive compression COB light sources 6 and it is damaged, effectively extended the service life of COB light source 6, and then improved the service life of whole LED photo engine.Preferably, light source compressing tablet 8 is arc compressing tablet, and the quantity of light source compressing tablet 8 is two and is uniformly distributed on COB light source 6.
For the ease of the installation of light source compressing tablet 8, on light source compressing tablet 8, be provided with erection column, COB light source 6 and radiator 2 are provided with the installing hole suitable with erection column.In the process that light source compressing tablet 8 is compressed to COB light source 6, the erection column on light source compressing tablet 8 passes COB light source 6 and radiator 2 successively, and is connected with radiator 2, reaches the effect that compresses COB light source 6.
Preferably, the LED photo engine that above-described embodiment provides, also comprises: be arranged at heat radiation: 2 and COB light source 6 between heat-conducting pad 7.By heat-conducting pad 7 is set, facilitated further the heat of COB light source 6 has been directed on radiator 2, improved the radiating effect of COB light source 6.Preferential selection heat-conducting pad 7 is silica-base material pad, certainly, also can select the good material of other heat-conducting effect to make heat-conducting pad, and as copper product or ag material etc., the utility model embodiment does not do this particularly and limits.
For fear of power source cavity 11, with respect to base 1 rotation, in the LED photo engine that above-described embodiment provides, be provided with the first positioning convex on the inwall of base 1, the outer wall of power source cavity 11 has first detent suitable with the first positioning convex.Power source cavity 11 is being placed in to the inner chamber of base 1, the first positioning convex matches with the first detent, and then avoids the relative rotation of power source cavity 11 and base 1.
In like manner, for fear of drive circuit board 9, with respect to power source cavity 11 rotations, be provided with the second positioning convex on the inwall of power source cavity 11, drive circuit board 9 outward flanges are provided with second detent suitable with the second positioning convex.Drive circuit board 9 is being placed in to the inner chamber of power source cavity 11, the second positioning convex matches with the second detent, and then avoids the relative rotation of power source cavity 11 and drive circuit board 9.For the ease of arranging, the second positioning convex on power source cavity 11 and the corresponding setting of the first detent.
Further, in the LED photo engine that above-described embodiment provides, the outer wall of power source cavity 11 is provided with mounting ear, the first installing hole arranging on mounting ear; Base 1 is provided with the second installing hole of distribution corresponding to the first installing hole; The bottom of radiator 2 is provided with the 3rd installing hole of setting corresponding to the first installing hole; Wherein, base 1, power source cavity 11 and radiator 2 are connected by the described screw that runs through successively the second installing hole, the first installing hole and the 3rd installing hole.
For the ease of the connection wire 901 on drive circuit board 9 is drawn, the LED photo engine that above-described embodiment provides, also comprises: be fixedly connected with the wire briquetting 5 of wire 901, the bottom of base 1 is provided with the direction recess 102 matching with wire briquetting 5.Connection wire 901 is placed in the middle of wire briquetting 5, by the direction recess 102 of the both sides projection inserted base 1 of wire briquetting 5, and then reaches and will connect the effect that wire 901 compresses to base 1 bottom.For fear of wire briquetting 5, damage by pressure and connect wire 901, select block rubber that elasticity is higher as wire briquetting 5.
In order to improve the service life of LED photo engine, base 1 is aluminum alloy base; Meanwhile, for fear of drive circuit board 9 and base 1 conduction, power source cavity 11 is insulated power supplies chamber.Preferably, power source cavity 11 is PC(Polycarbonate, Merlon) power source cavity.
Preferably, in the LED photo engine that above-described embodiment provides, select the good metal material of heat-conducting effect to make radiator 2, consider that radiator 2 need to have some strength, preferably, radiator 2 is aluminium alloy heat radiator.In order further to improve the radiating effect of radiator 2, the outer surface of radiator 2 is corrugated surface, has effectively increased area of dissipation.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the utility model.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (17)
1. a LED photo engine, is characterized in that, comprising:
The base (1) with inner chamber;
Be arranged at the power source cavity (11) in the inner chamber of described base (1);
Be arranged at the drive circuit board (9) in described power source cavity (11);
Be connected with described base (1) and cover at the radiator (2) on described drive circuit board (9), described radiator (2) is provided with mounting groove away from one end of described base (1);
Be arranged in described mounting groove and the COB light source (6) being connected with described drive circuit board (9);
Wherein, the connection wire (901) that described power source cavity (11) has for described drive circuit board (9) stretches out the pilot hole (1101) of described base (1), and the interior embedding of described pilot hole (1101) has sealing silica gel (10).
2. LED photo engine as claimed in claim 1, is characterized in that, described sealing silica gel (10) is arranged at the end that described pilot hole (1101) is positioned at described base (1) one side.
3. LED photo engine as claimed in claim 1, is characterized in that, also comprises: first sealing ring (12) of be tightly connected described radiator (2) and described base (1).
4. the LED photo engine as described in claim 1 or 3, is characterized in that, also comprises: cover at the screening glass (4) on described COB light source (6), described screening glass (4) is connected with described radiator (2); The screening glass compacting ring (3) of fixing described screening glass (4), described screening glass compacting ring (3) is connected with described radiator (2); Second sealing ring (13) of described screening glass compacting ring (3) and described radiator (2) is tightly connected.
5. LED photo engine as claimed in claim 4, is characterized in that, also comprises: the 3rd sealing ring (14) of be tightly connected described screening glass (4) and described screening glass compacting ring (3).
6. LED photo engine as claimed in claim 4, is characterized in that, described screening glass compacting ring (3) is connected with described radiator (2) buckle.
7. LED photo engine as claimed in claim 4, is characterized in that, also comprises: be arranged at the light source compressing tablet (8) between described screening glass (4) and described COB light source (6).
8. LED photo engine as claimed in claim 7, is characterized in that, described light source compressing tablet (8) is arc compressing tablet, and described light source compressing tablet (8) is two and is uniformly distributed on described COB light source (6).
9. LED photo engine as claimed in claim 7, is characterized in that, on described light source compressing tablet (8), is provided with erection column, and described COB light source (6) and described radiator (2) are provided with the installing hole suitable with described erection column.
10. LED photo engine as claimed in claim 1, is characterized in that, also comprises: be arranged at the heat-conducting pad (7) between described radiator (2) and described COB light source (6).
11. LED photo engines as claimed in claim 10, is characterized in that, described heat-conducting pad (7) is silica-base material pad.
12. LED photo engines as claimed in claim 1, is characterized in that, on the inwall of described base (1), are provided with the first positioning convex, and the outer wall of described power source cavity (11) has first detent suitable with described the first positioning convex.
13. LED photo engines as claimed in claim 12, is characterized in that, on the inwall of described power source cavity (11), are provided with the second positioning convex, and described drive circuit board (9) outward flange is provided with second detent suitable with described the second positioning convex.
14. LED photo engines as claimed in claim 1, is characterized in that, the outer wall of described power source cavity (11) is provided with mounting ear, the first installing hole arranging on described mounting ear; Described base (1) is provided with the second installing hole of distribution corresponding to described the first installing hole; The bottom of described radiator (2) is provided with the 3rd installing hole of setting corresponding to described the first installing hole; Wherein, described base (1), described power source cavity (11) and described radiator (2) are connected by the described screw that runs through successively described the second installing hole, described the first installing hole and described the 3rd installing hole.
15. LED photo engine as claimed in claim 1, is characterized in that, also comprises: the wire briquetting (5) of fixing described connection wire (901), the bottom of described base (1) is provided with the direction recess (102) matching with described wire briquetting (5).
16. LED photo engines as claimed in claim 1, is characterized in that, described base (1) is aluminum alloy base; Described power source cavity (11) is PC power source chamber.
17. LED photo engines as claimed in claim 1, is characterized in that, described radiator (2) is aluminium alloy heat radiator; The outer surface of described radiator (2) is corrugated surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420143405.6U CN203836914U (en) | 2014-03-27 | 2014-03-27 | LED optical engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420143405.6U CN203836914U (en) | 2014-03-27 | 2014-03-27 | LED optical engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203836914U true CN203836914U (en) | 2014-09-17 |
Family
ID=51514747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420143405.6U Expired - Lifetime CN203836914U (en) | 2014-03-27 | 2014-03-27 | LED optical engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203836914U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105987290A (en) * | 2015-03-23 | 2016-10-05 | 法雷奥照明公司 | LED mounting with receiving surface and electrical connection by bridging |
-
2014
- 2014-03-27 CN CN201420143405.6U patent/CN203836914U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105987290A (en) * | 2015-03-23 | 2016-10-05 | 法雷奥照明公司 | LED mounting with receiving surface and electrical connection by bridging |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: LED (light-emitting diode) optical engine module and lighting device Effective date of registration: 20181212 Granted publication date: 20140917 Pledgee: SICHUAN ENERGY INDUSTRY INVESTMENT GROUP CO.,LTD. Pledgor: SICHUAN SUNFOR LIGHT Co.,Ltd. Registration number: 2018510000135 |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140917 |