CN105257991A - Ultraviolet light-emitting diode (UV LED) system - Google Patents
Ultraviolet light-emitting diode (UV LED) system Download PDFInfo
- Publication number
- CN105257991A CN105257991A CN201510647598.8A CN201510647598A CN105257991A CN 105257991 A CN105257991 A CN 105257991A CN 201510647598 A CN201510647598 A CN 201510647598A CN 105257991 A CN105257991 A CN 105257991A
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- Prior art keywords
- led
- led light
- uvled
- light source
- light sources
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Classifications
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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
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
- F21V19/0015—Fastening arrangements intended to retain light sources
- F21V19/002—Fastening arrangements intended to retain light sources the fastening means engaging the encapsulation or the packaging of the semiconductor device
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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
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/001—Arrangement of electric circuit elements in or on lighting devices the elements being electrical wires or cables
- F21V23/002—Arrangements of cables or conductors inside a lighting device, e.g. means for guiding along parts of the housing or in a pivoting arm
-
- 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
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Led Device Packages (AREA)
Abstract
The invention relates to the technical field of light-emitting diode (LED) light sources, in particular to an ultraviolet light-emitting diode (UV LED) system. The UV LED system comprises LED light sources and a heat dissipation unit used for heat dissipation of the LED light sources. The LED light sources are placed inside a sealed cavity and emit light, wherein air is exhausted from the sealed cavity, and then nitrogen is added into the sealed cavity. The multiple LED light sources are arranged on the front side of the same LED main board. The back side of the LED main board is connected with a substrate through insulating heat-conducting glue. A cooling cavity is defined by the substrate and a main body of the heat dissipation unit. The cooling cavity is communicated with corresponding refrigerating units through a water inlet and a water outlet, so that cooling water flows through the substrate in a circulating mode. According to the UV LED system, the LED light sources are arranged inside the sealed cavity, and the sealed cavity is filled with the nitrogen, so that light of the LED light sources is not blocked, luminance decrease is reduced, the light penetration rate is increased, and usability and economical efficiency of the UV LED system are greatly improved. Cooling and heat dissipation are achieved in a circulating mode by means of the arrangement of the cooling water, and the heat dissipation is fast, so that the damage rate of LEDs is low, and meanwhile the service life of the UV LEDs is prolonged.
Description
Technical field
The present invention relates to LED light source technical field, particularly relate to a kind of UVLED system.
Background technology
UVLED is the one of LED, is the black light of Single wavelength, generally at below 400nm.Make UVLED present the hot spot of difformity, different irradiation level by the design of specialty, meet edge sealing, the need of production in the fields such as printing.UVLED cure lamp is a kind of light emitting semiconductor device of direct generation ultraviolet light, opening and closing times influence, energy are high, irradiation is evenly enhanced productivity to have the life-span of overlength, cold light source, non-thermal radiation, life-span not to be subject to,, more environmental protection more safer than traditional light source, is more and more applied thus at present in printing and the field such as air brushing.But existing UVLED cure lamp, due to fault of construction, exists luminous flux and penetrance is low, affect task performance, and it is bad to dispel the heat, can not takes away the heat of LED light source in time, cause LED light source performance to reduce thus and even damage.
Summary of the invention
The object of the invention is to overcome prior art defect, provide a kind of UVLED system, contribute to promoting luminous flux and penetrance, structure is simple, scientific and reasonable, good heat dissipation effect, LED light source long service life.
For achieving the above object, the present invention adopts following technical scheme:
A kind of UVLED system, includes LED light source and gives the heat-sink unit of LED light source heat radiation, and described LED light source is placed in one and exhausts air then to add the enclosed cavity of nitrogen luminous and penetrate.
Such scheme is further: described system also includes a shell, and the coated heat-sink unit of this shell and LED light source, the corresponding end-faces of shell leaves light outlets, and the light that LED light source sends is penetrated by light outlets.
Such scheme is further: some LED light sources are arranged on the front of same LED mainboard, and the back side of LED mainboard connects a substrate by thermal plastic insulation, and the main body of this substrate and heat-sink unit encloses out a cooling chamber; Cooling chamber is communicated with corresponding refrigeration unit by intake-outlet, reaches cooling water circulation and flows through substrate.
Such scheme is further: front and a transmission element of described LED mainboard are combined to form enclosed cavity.
Such scheme is further: enclose out enclosed cavity together with the outer glass cover that the light outlets place of the front of described LED mainboard and shell and shell is arranged.
Such scheme is further: described LED light source is vertical stratification 45 microns of bipolar electrode chips of Taiwan Lian Sheng company.
Such scheme is further: described LED light source is LED lamp bead.
Such scheme is further: described transmission element is light-transmitting plate, convex glass lens or spill glass lens.
Such scheme is further: the front of described LED mainboard is provided with the land around some LED light sources, and loop pastes and connects transmission element, and transmission element is fixed by adhesion or clinching.
Such scheme is further: the front of described transmission element is also provided with light transparent protective cover, and this light transparent protective cover group is located in the light outlets of shell.
Be compared with the prior art, the present invention has following beneficial effect:
1, LED light source is built in enclosed cavity, and is filled with nitrogen in enclosed cavity, and LED light source luminescence, out without outer stop, reduces light decay, increases light penetration rate.
2, adopt Taiwan connection to contain Chip Vertical structure 45 microns of bipolar electrodes, be beneficial to and lay assembling, gold thread reduces half, and luminous flux increases by more than 30%.
3, be equipped with cooling water circulation cooling heat dissipation, rapid heat dissipation, compare with air-cooled with naturally cooling, improve the radiating effect of LED light source greatly, make the spoilage of LED low, add UVLED service life simultaneously.
4, structure is simple, scientific and reasonable, and cost of investment is low, the usability of significant increase UVLED system and economy, meets industry and utilizes.
accompanying drawing illustrates:
Accompanying drawing 1 is one example structure schematic diagram of the present invention;
Accompanying drawing 2 is its two example structure schematic diagram of the present invention;
Accompanying drawing 3 is its three embodiments appearance schematic diagram of the present invention;
Accompanying drawing 4 is Fig. 3 embodiment cross-sectional view;
Accompanying drawing 5 is its four example structure schematic diagram of the present invention.
detailed description of the invention:
Be described further below with reference to the technique effect of accompanying drawing to design of the present invention, concrete structure and generation, to understand object of the present invention, characteristic sum effect fully.
Consult shown in Fig. 1 ~ 5, the present invention is about a kind of UVLED system, include LED light source 1, heat-sink unit 2 and shell 8, described LED light source 1 is placed in one and exhausts air then to add the enclosed cavity 5 of nitrogen 51 luminous and penetrate, and heat-sink unit 2 gives LED light source 1 and dispels the heat.In the present embodiment; shell 8 adopts clad type to integrate and protects heat-sink unit 2 and LED light source 1, for meeting light injection, the corresponding end-faces of shell 8 leaves light outlets 81; the light that LED light source 1 sends is penetrated by light outlets 81, for the production operation in the field such as edge sealing, printing.LED light source 1 is built in enclosed cavity 5, and is filled with nitrogen 51 in enclosed cavity 5, and LED light source 1 luminescence, out without outer stop, reduces light decay, increases light penetration rate.
Shown in Fig. 1 ~ 5, in the present embodiment, some LED light sources 1 are arranged on the front of same LED mainboard 3, and logical face is luminous, are beneficial to lay and light-operated.The back side of LED mainboard 3 connects a substrate 7 by thermal plastic insulation 6, and this substrate 7 encloses out a cooling chamber 22 with the main body 21 of heat-sink unit 2; Cooling chamber 22 is communicated with corresponding refrigeration unit by intake-outlet 23, reaches cooling water circulation and flows through substrate 7.This structure rapid heat dissipation, improves the radiating effect of LED light source greatly, makes the spoilage of LED light source low, adds its service life simultaneously.Thermal plastic insulation 6 realizes effect of heat transfer and insulation against short-circuit, reaches and dispels the heat and protect LED light source 1.During work, after cooling water enters cooling chamber 22 by the circulation of paired intake-outlet 23, directly flow through the respective face of substrate 7, make the respective face of substrate 7 contact cooling water completely, contact surface is large, takes away the heat of LED light source in time.
Shown in Fig. 1 ~ 5, in the present embodiment, preferred LED light source 1 is vertical stratification 45 microns of bipolar electrode chips of Taiwan Lian Sheng company, some LED light sources 1 are arranged on the front of LED mainboard 3 by many row's straight lines, for increasing conduction and heat radiation, chip substrate is electroplate with the material that promotes conductive capability or by elargol die bond, concrete making can be implemented according to actual demand.Chip Vertical structure is beneficial to lays assembling, and compared with assembling with traditional planar structure 45 micron of four electrode chip, gold thread reduces half, and luminous flux increases by more than 30%, and optimizes chip substrate package assembly, increases heat radiation and increases conductive capability.Certainly, the LED light source 1 of the present embodiment also can LED lamp bead, and reach light curable effect equally, also ease of assembly is safeguarded.
Shown in Fig. 1,3,4,5, front and a transmission element 4 of the LED mainboard 3 of the present embodiment are combined to form enclosed cavity 5, for convenience of combination and structural design, the front of LED mainboard 3 is provided with the land 31 around some LED light sources 1, land 31 is pasted and is connected transmission element 4, and transmission element 4 is fixed by adhesion or clinching.During making; before this air in enclosed cavity 5 was extracted out; and then be filled with nitrogen 51; nitrogen 51 not only has protective effect; and eliminate in air and there is granule foreign, make LED light source luminescence out without outer stop, reduce light decay; increase light penetration rate, the usability of significant increase UVLED and economy.Transmission element 4 can be light-transmitting plate, convex glass lens or spill glass lens, designs as required, and the light that can obtain different angles penetrates effect.As shown in Figure 3,4, transmission element 4 is semicircle glass lens, the convex light outlets 81 to shell 8 in arc top of semicircle glass lens, LED light source luminescence out without outer stop through nitrogen 51, then semicircle glass lens shaping is passed through, by original 180 ° of luminescences, waveform is arranged to 90 ° of angles closer to parallel lines, obtain the hot spot needed, promote solidification and efficiency.
Shown in Fig. 5, the present embodiment be Fig. 1,3, on the basis of 4, be also provided with light transparent protective cover 41 in the front of transmission element 4, this light transparent protective cover 41 groups is located in the light outlets 81 of shell 8.Light transparent protective cover 41 has dust-proof effect, prevents dust from entering internal system, and reduce dust to the impact of luminescence, light transparent protective cover 41 also has effect of protection transmission element 4 simultaneously, prevents external force from damaging or destroys transmission element 4, increasing the service life.
Shown in Fig. 2, the enclosed cavity 5 of native system also can be made by following scheme, encloses out enclosed cavity 5 together with the outer glass cover 9 namely arranged by front and the shell 8 of LED mainboard 3 and the light outlets 81 of shell 8.Outer glass cover 9 is by adhesion or be fastened on shell 8; during making; extracted out by air in enclosed cavity 5 before this, and then be filled with nitrogen 51, nitrogen 51 not only has protective effect; and eliminate in air and there is granule foreign; make LED light source luminescence out without outer stop, reduce light decay, promote luminous flux; increase light penetration rate, the usability of significant increase UVLED and economy.Outer glass cover 9 also can be designed to plate glass cover, convex glass cover or spill glass cover as required, obtains corresponding light thus and penetrates effect.During work, LED light source 1 is luminous smooth and easyly through nitrogen 51 out to be reached without outer stop, reduces light decay, outer glass cover 9 seals, printing opacity and promote light and penetrate effect.
Structure of the present invention is simple, scientific and reasonable, and cost of investment is low, effectively reduces light decay, promotes luminous flux and penetrance, obtains the UVLED system of quality-improving thus, meets industry and uses, promote the development of UVLED.
More than in conjunction with embodiment to invention has been detailed description; only for technical conceive of the present invention and feature are described; its object is to allow person skilled in the art understand content of the present invention and to be implemented; protection scope of the present invention can not be limited with this; therefore all equivalences done according to Spirit Essence of the present invention change or modify, and all should be encompassed in protection scope of the present invention.
Claims (10)
1. a UVLED system, includes LED light source (1) and gives the LED light source heat-sink unit that (1) dispels the heat (2), it is characterized in that: described LED light source (1) is placed in one and exhausts air then to add the enclosed cavity (5) of nitrogen (51) luminous and penetrate.
2. a kind of UVLED system according to claim 1, it is characterized in that: described system also includes a shell (8), this shell (8) coated heat-sink unit (2) and LED light source (1), the corresponding end-faces of shell (8) leaves light outlets (81), the light that LED light source (1) sends is penetrated by light outlets (81).
3. a kind of UVLED system according to claim 1 and 2, it is characterized in that: some LED light sources (1) are arranged on the front of same LED mainboard (3), the back side of LED mainboard (3) connects a substrate (7) by thermal plastic insulation (6), and this substrate (7) encloses out a cooling chamber (22) with the main body (21) of heat-sink unit (2); Cooling chamber (22) is communicated with corresponding refrigeration unit by intake-outlet (23), reaches cooling water circulation and flows through substrate (7).
4. a kind of UVLED system according to claim 3, is characterized in that: front and a transmission element (4) of described LED mainboard (3) are combined to form enclosed cavity (5).
5. a kind of UVLED system according to claim 3, is characterized in that: enclose out enclosed cavity (5) together with the outer glass cover (9) that light outlets (81) place of the front of described LED mainboard (3) and shell (8) and shell (8) is arranged.
6. a kind of UVLED system according to claim 3, is characterized in that: vertical stratification 45 microns of bipolar electrode chips that described LED light source (1) is Taiwan Lian Sheng company.
7. a kind of UVLED system according to claim 3, is characterized in that: described LED light source (1) is LED lamp bead.
8. a kind of UVLED system according to claim 4, is characterized in that: described transmission element (4) is light-transmitting plate, convex glass lens or spill glass lens.
9. a kind of UVLED system according to claim 4, it is characterized in that: the front of described LED mainboard (3) is provided with the land (31) around some LED light sources (1), land (31) face is pasted and is connected transmission element (4), and transmission element (4) is fixed by adhesion or clinching.
10. a kind of UVLED system according to claim 4, is characterized in that: the front of described transmission element (4) is also provided with light transparent protective cover (41), and this light transparent protective cover (41) group is located in the light outlets (81) of shell (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510647598.8A CN105257991A (en) | 2015-10-09 | 2015-10-09 | Ultraviolet light-emitting diode (UV LED) system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510647598.8A CN105257991A (en) | 2015-10-09 | 2015-10-09 | Ultraviolet light-emitting diode (UV LED) system |
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| Publication Number | Publication Date |
|---|---|
| CN105257991A true CN105257991A (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510647598.8A Pending CN105257991A (en) | 2015-10-09 | 2015-10-09 | Ultraviolet light-emitting diode (UV LED) system |
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| Country | Link |
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| CN (1) | CN105257991A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108321277A (en) * | 2017-12-25 | 2018-07-24 | 宁波凯耀电器制造有限公司 | A kind of UV LED encapsulation structures |
| CN109973864A (en) * | 2017-11-09 | 2019-07-05 | 林郅燊 | Gas-tight lamp |
| CN118361716A (en) * | 2024-06-19 | 2024-07-19 | 成都恒坤光电科技有限公司 | Ultraviolet light source assembly, ultraviolet light curing system and ultraviolet light curing device |
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| US20110261563A1 (en) * | 2010-04-23 | 2011-10-27 | Wavien, Inc. | Liquid cooled led lighting device |
| CN102374392A (en) * | 2010-08-11 | 2012-03-14 | 液光固态照明股份有限公司 | Manufacturing method of LED (light emitting diode) lamp fitting |
| CN104315484A (en) * | 2014-10-29 | 2015-01-28 | 深圳市全禄昌科技有限公司 | Water-cooled UV (ultraviolet) LED system |
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Patent Citations (6)
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|---|---|---|---|---|
| CN102054918A (en) * | 2009-11-09 | 2011-05-11 | 深圳市瑞丰光电子股份有限公司 | LED packaging method and LED device |
| CN101737645A (en) * | 2009-12-31 | 2010-06-16 | 杭州士兰明芯科技有限公司 | LED (Liquid Emitting Diode) white light bulb and production method thereof |
| US20110261563A1 (en) * | 2010-04-23 | 2011-10-27 | Wavien, Inc. | Liquid cooled led lighting device |
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| CN104315484A (en) * | 2014-10-29 | 2015-01-28 | 深圳市全禄昌科技有限公司 | Water-cooled UV (ultraviolet) LED system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109973864A (en) * | 2017-11-09 | 2019-07-05 | 林郅燊 | Gas-tight lamp |
| CN108321277A (en) * | 2017-12-25 | 2018-07-24 | 宁波凯耀电器制造有限公司 | A kind of UV LED encapsulation structures |
| CN108321277B (en) * | 2017-12-25 | 2019-06-28 | 宁波凯耀电器制造有限公司 | A kind of UV LED encapsulation structure |
| CN118361716A (en) * | 2024-06-19 | 2024-07-19 | 成都恒坤光电科技有限公司 | Ultraviolet light source assembly, ultraviolet light curing system and ultraviolet light curing device |
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Effective date of registration: 20160616 Address after: 523000 Guangdong city of Dongguan province at the Songshan Lake high tech Industrial Development Zone, Road No. 4 Building No. 10 Room 501 Keyuan pine Applicant after: DONGGUAN HONGLIAN BEIKE PHOTOELECTRIC TECHNOLOGY CO., LTD. Address before: Two road 523000 in Guangdong province Dongguan City Songshan Lake high tech Industrial Development Zone headquarters No. 9 Dongguan yishili science and Technology Office - R & D building third layer B3-15 Applicant before: DONGGUAN BEIKE ELECTRONIC TECHNOLOGY CO., LTD. |
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Effective date of registration: 20160819 Address after: Two road 523000 in Guangdong province Dongguan City Songshan Lake high tech Industrial Development Zone headquarters No. 9 Dongguan yishili science and Technology Office - R & D building third layer B3-15 Applicant after: DONGGUAN BEIKE ELECTRONIC TECHNOLOGY CO., LTD. Address before: 523000 Guangdong city of Dongguan province at the Songshan Lake high tech Industrial Development Zone, Road No. 4 Building No. 10 Room 501 Keyuan pine Applicant before: DONGGUAN HONGLIAN BEIKE PHOTOELECTRIC TECHNOLOGY CO., LTD. |
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Application publication date: 20160120 |