CN207049636U - Long-life LED luminescence unit - Google Patents
Long-life LED luminescence unit Download PDFInfo
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- CN207049636U CN207049636U CN201720641716.9U CN201720641716U CN207049636U CN 207049636 U CN207049636 U CN 207049636U CN 201720641716 U CN201720641716 U CN 201720641716U CN 207049636 U CN207049636 U CN 207049636U
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- ceramic substrate
- led
- led illuminator
- adhesive layer
- heat
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Abstract
It the utility model is related to LED field, more particularly to a kind of long-life LED luminescence units, including ceramic substrate, several LED illuminators being installed on ceramic substrate, the wire for each LED illuminator of connecting, the fluorescent adhesive layer covered at outside LED illuminator and wire, it is connected to the radiator structure that ceramic substrate deviates from LED illuminator side；The ceramic substrate corresponds to LED illuminator part and is provided with the first groove for accommodating LED illuminator；The fluorescent adhesive layer and LED illuminator are arranged at intervals with the electricity place of connecing of wire to be contacted with obstructing fluorescent adhesive layer and the electricity place of connecing.The utility model good heat dissipation effect, service life length.
Description
Technical field
LED field is the utility model is related to, more particularly to a kind of long-life LED luminescence units.
Background technology
Light emitting diode (Light-Emitting Diode, abbreviation LED) is a kind of to convert electrical energy into the half of luminous energy
Conducting electrons element.It is well known that LED have energy-saving and environmental protection, radiationless, service life is long, fast response time, shock resistance etc.
Advantage, in today of global energy growing tension, and get most of the attention.
On the one hand, although LED has many merits, due to stepping up for LED power, generate therewith very high
Caloric value, and thermal source is concentrated, and very high requirement is proposed to radiating treatment, is directly connected to LED stability and using the longevity
Life.The electric energy that LED illuminator only has 15-25% is converted into luminous energy, and remaining is then converted into heat energy.If heat energy can not scatter and disappear in time
To surrounding environment, chip temperature will improve, and reduce light efficiency, chip life time decay, the performance change such as colour rendering, reduce LED
Service life.
Second aspect, existing LED luminescence unit, including substrate, several LED illuminators and fluorescent glue, LED light
Body is arranged on substrate, and the fluorescent glue part is applied directly on LED illuminator, and several LED illuminators are sent out after being powered
Go out blue light, blue light intensifies through fluorescent glue part be generated as required for it is photochromic again to external exposure.Because fluorescent glue part directly applies
Apply on LED bare crystallines part, therefore fluorescent glue part can be pulled apart between circuit part and LED illuminator when expanding with heat and contract with cold
Electricity connect, or/and, produce electric arc sparking, cause LED luminescence unit to be scrapped, cause LED luminescence unit short life.
Utility model content
To solve the above problems, the utility model provides a kind of good heat dissipation effect, the long-life LED of service life length lights
Unit.
Technical scheme is used by the utility model：Long-life LED luminescence unit, including ceramic substrate, are installed on pottery
Several LED illuminators on porcelain substrate, the wire for each LED illuminator of connecting, cover at glimmering outside LED illuminator and wire
Optical cement layer, it is connected to the radiator structure that ceramic substrate deviates from LED illuminator side；The ceramic substrate corresponds to LED illuminator portion
Set up the first groove being equipped with for accommodating LED illuminator separately；The electricity place of connecing of the fluorescent adhesive layer and LED illuminator and wire is spaced
Set and contacted with obstructing fluorescent adhesive layer and the electricity place of connecing；The radiator structure include be connected to ceramic substrate side heat sink, from
The heat pipe to heat sink side, several radiating fins being equidistantly installed on heat pipe are worn in heat sink center, in addition to open up
In heat sink close to second groove of the ceramic substrate side for accommodating ceramic substrate.
To being further improved to for above-mentioned technical proposal, the length of the radiating fin is from heat sink center to heat sink side
Edge direction is sequentially reduced.
To being further improved to for above-mentioned technical proposal, the radiating fin is provided with several heat emission holes.
To being further improved to for above-mentioned technical proposal, the radiator structure also includes deviating from ceramic base positioned at the second groove
Plate side is used for the steam vent for connecting ceramic substrate and heat pipe.
To being further improved to for above-mentioned technical proposal, the fluorescent adhesive layer solidification is in hood-like, the opening company of fluorescent adhesive layer
It is connected to ceramic substrate.
The beneficial effects of the utility model are：
1st, on the one hand, fluorescent adhesive layer and the electricity place of connecing of LED illuminator and wire are arranged at intervals to obstruct fluorescent adhesive layer and electricity
Connect place contact, avoid fluorescent adhesive layer expand with heat and contract with cold and it is caused place's pulling force is connect to electricity, avoid the electricity place of connecing from being disconnected simultaneously because of pulling force
Electric arc is produced, it is black so as to cause LED illuminator to be burnt, extend the service life of LED illuminator.Second aspect, use ceramic base
Plate installs LED illuminator, because ceramic substrate has the advantages that high heat conductance, low thermal coefficient of expansion, high insulation resistance, application
In field of LED illumination, heat transfer efficiency is substantially increased, radiating efficiency is high, is further advantageous to extend use of the present utility model
Life-span.The third aspect, LED illuminator is installed provided with the first groove, reduce between LED illuminator and radiator structure away from
From accelerating heat transfer so that heat caused by LED illuminator can distribute in time, prevent LED illuminator due to high temperature and
It is affected, is further advantageous to extend service life of the present utility model.Fourth aspect, radiator structure include being adhered to silica gel
The heat sink of layer side, wear from heat sink center the heat pipe to heat sink side, be equidistantly installed on heat pipe several dissipate
Hot fin, the setting of hot light and radiating fin, increases area of dissipation, and vertical convection and other sides are taken full advantage of by heat pipe
Heat exchange effect to natural wind, heat exchanger effectiveness is high, is further advantageous to extend service life of the present utility model.5th side
Face, radiator structure also include being opened in the second groove that heat sink is used to accommodate ceramic substrate close to ceramic substrate side, directly
Ceramic substrate is positioned in the second groove, without using heat-conducting glue, thermal resistance is small, and thermal conductivity factor is high, good heat dissipation effect, enters one
Step is advantageous to extend service life of the present utility model.
2nd, the length of radiating fin is sequentially reduced from heat sink center to heat sink side directions, and radiating fin arrangement is in rank
Scalariform so that radiating fin can fully and air contact, and area of dissipation is big, further improves radiating effect, is advantageous to extend
Service life of the present utility model.
3rd, radiating fin is provided with several heat emission holes, and the setting of heat emission hole increases area of dissipation, further improved
Radiating effect, be advantageous to extend service life of the present utility model.
4th, radiator structure also includes being used to connect ceramic substrate and heat pipe away from ceramic substrate side positioned at the second groove
Steam vent, the heat on ceramic substrate are discharged by steam vent, good heat dissipation effect, are advantageous to extend of the present utility model make in time
Use the life-span.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of radiator structure of the present utility model.
Embodiment
The utility model is further described below in conjunction with accompanying drawing.
As shown in figure 1, it is structural representation of the present utility model.
Long-life LED luminescence unit 100, including ceramic substrate 110, several LED hairs being installed on ceramic substrate 110
Body of light 120, the wire 130 for each LED illuminator 120 of connecting, the fluorescent adhesive layer covered at outside LED illuminator 120 and wire 130
140, it is connected to the radiator structure 150 that ceramic substrate 110 deviates from the side of LED illuminator 120.
The corresponding part of LED illuminator 120 of ceramic substrate 110 is provided with the first groove for accommodating LED illuminator 120
111；The electricity place of the connecing interval setting of the fluorescent adhesive layer 140 and LED illuminator 120 and wire 130 with obstruct fluorescent adhesive layer 140 and
The electricity place of connecing contacts.
As shown in Fig. 2 the structural representation for radiator structure of the present utility model.
The radiator structure 150 includes being adhered to the heat sink 151 of the side of ceramic substrate 110, worn from the center of heat sink 151
Heat pipe 152, equidistant several radiating fins 153 being installed on heat pipe 152 to the side of heat sink 151, in addition to open up
In heat sink 151 close to second groove 154 of the side of ceramic substrate 110 for accommodating ceramic substrate 110.
The length of radiating fin 153 is sequentially reduced from the center of heat sink 151 to the side directions of heat sink 151, radiating fin
153 arrangements are stepped so that radiating fin 153 can fully and air contact, and area of dissipation is big, further improves radiating effect
Fruit, be advantageous to extend service life of the present utility model.
Radiating fin 153 is provided with several heat emission holes 155, and the setting of heat emission hole 155 increases area of dissipation, further
Radiating effect is improved, is advantageous to extend service life of the present utility model.
Radiator structure 150 also includes being used to connect ceramic substrate away from the side of ceramic substrate 110 positioned at the second groove 154
110 and the steam vent 156 of heat pipe 152, the heat on ceramic substrate 110 is discharged by steam vent 156 in time, good heat dissipation effect,
Be advantageous to extend service life of the present utility model.
On the one hand, fluorescent adhesive layer 140 and LED illuminator 120 and the electricity place of connecing of wire 130 are arranged at intervals to obstruct fluorescent glue
Layer 140 and the electricity place of connecing contact, avoid fluorescent adhesive layer 140 expand with heat and contract with cold and it is caused place's pulling force is connect to electricity, avoid electricity connect place because
Pulling force is disconnected and produces electric arc, black so as to cause LED illuminator 120 to be burnt, and extends the service life of LED illuminator 120.The
Two aspects, LED illuminator 120 is installed using ceramic substrate 110, because ceramic substrate 110 has high heat conductance, low-thermal-expansion
Coefficient, the advantages that high insulation resistance, applied to field of LED illumination, heat transfer efficiency is substantially increased, radiating efficiency is high, further
Be advantageous to extend service life of the present utility model.The third aspect, LED illuminator 120 is installed provided with the first groove 111, subtracted
Small the distance between LED illuminator 120 and radiator structure 150, accelerate heat transfer so that hot caused by LED illuminator 120
Amount can distribute in time, prevent LED illuminator 120 to be affected due to high temperature, further be advantageous to extend this practicality newly
The service life of type.Fourth aspect, radiator structure 150 include being adhered to the heat sink 151 of layer of silica gel side, from heat sink 151
Wear the heat pipe 152 to the side of heat sink 151, several radiating fins 153 being equidistantly installed on heat pipe 152, hot light in center
With the setting of radiating fin 153, area of dissipation is increased, vertical convection and other directions are taken full advantage of certainly by heat pipe 152
The heat exchange effect of right wind, heat exchanger effectiveness is high, is further advantageous to extend service life of the present utility model.5th aspect, dissipates
Heat structure 150 also includes being opened in heat sink 151 to be used to accommodate the second recessed of ceramic substrate 110 close to the side of ceramic substrate 110
Groove 154, directly ceramic substrate 110 is positioned in the second groove 154, without using heat-conducting glue, thermal resistance is small, thermal conductivity factor
Height, good heat dissipation effect, be further advantageous to extend service life of the present utility model.
Operation principle of the present utility model is：
Caused heat in the course of work of LED illuminator 120, is transferred to ceramic substrate 110, enters back into heat sink 151, and one
Aspect, the heat on heat sink 151 directly carry out heat transfer, second aspect with air contact, and the heat of heat sink 151 passes through heat
Pipe 152 is transferred to radiating fin 153, and in vertical direction and other directions with air heat exchange occurs for radiating fin 153, by heat
It is transferred in air so that the temperature of LED illuminator 120 reduces, and is advantageous to extend service life of the present utility model.
Embodiment described above only expresses several embodiments of the present utility model, and its description is more specific and detailed,
But therefore it can not be interpreted as the limitation to the utility model patent scope.It should be pointed out that for the common of this area
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (5)
1. long-life LED luminescence unit, it is characterised in that：Including ceramic substrate, several LED hairs being installed on ceramic substrate
Body of light, the wire for each LED illuminator of connecting, the fluorescent adhesive layer covered at outside LED illuminator and wire, is connected to ceramic substrate
Radiator structure away from LED illuminator side；The ceramic substrate corresponds to LED illuminator part and is provided with for accommodating LED hairs
First groove of body of light；The electricity place of connecing of the fluorescent adhesive layer and LED illuminator and wire be arranged at intervals with obstruct fluorescent adhesive layer and
The electricity place of connecing contacts；The radiator structure includes being connected to the heat sink of ceramic substrate side, worn from heat sink center to heat sink
The heat pipe of side, several radiating fins being equidistantly installed on heat pipe, in addition to heat sink is opened in close to ceramic substrate
Side is used for the second groove for accommodating ceramic substrate.
2. long-life LED luminescence units according to claim 1, it is characterised in that：The length of the radiating fin dissipates certainly
Hot plate center is sequentially reduced to heat sink side directions.
3. long-life LED luminescence units according to claim 2, it is characterised in that：The radiating fin is provided with some
Individual heat emission hole.
4. long-life LED luminescence units according to claim 3, it is characterised in that：The radiator structure also includes being located at
Second groove is used for the steam vent for connecting ceramic substrate and heat pipe away from ceramic substrate side.
5. long-life LED luminescence units according to claim 4, it is characterised in that：Fluorescent adhesive layer solidification in hood-like,
The opening of fluorescent adhesive layer is connected to ceramic substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720641716.9U CN207049636U (en) | 2017-06-05 | 2017-06-05 | Long-life LED luminescence unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720641716.9U CN207049636U (en) | 2017-06-05 | 2017-06-05 | Long-life LED luminescence unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207049636U true CN207049636U (en) | 2018-02-27 |
Family
ID=61491834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720641716.9U Active CN207049636U (en) | 2017-06-05 | 2017-06-05 | Long-life LED luminescence unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207049636U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109270737A (en) * | 2018-10-26 | 2019-01-25 | 蚌埠国显科技有限公司 | A kind of novel liquid crystal display module containing radiating block |
-
2017
- 2017-06-05 CN CN201720641716.9U patent/CN207049636U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109270737A (en) * | 2018-10-26 | 2019-01-25 | 蚌埠国显科技有限公司 | A kind of novel liquid crystal display module containing radiating block |
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