CN108662444A - Ultraviolet leds light supply apparatus - Google Patents
Ultraviolet leds light supply apparatus Download PDFInfo
- Publication number
- CN108662444A CN108662444A CN201710204150.8A CN201710204150A CN108662444A CN 108662444 A CN108662444 A CN 108662444A CN 201710204150 A CN201710204150 A CN 201710204150A CN 108662444 A CN108662444 A CN 108662444A
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- Prior art keywords
- light source
- led light
- oxygen
- supply apparatus
- module
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- 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.)
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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
-
- 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
- F21V1/00—Shades for light sources, i.e. lampshades for table, floor, wall or ceiling lamps
-
- 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
- F21V29/56—Cooling arrangements using liquid coolants
-
- 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
- F21V29/60—Cooling arrangements characterised by the use of a forced flow of gas, e.g. air
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Led Device Packages (AREA)
Abstract
The present invention relates to a kind of ultraviolet leds light supply apparatus, including LED light source module and radiating module, the LED light source module includes substrate and on the substrate and the LED light source unit that is arranged in array, the substrate is set on the radiating module, it further include oxygen-free gas source, the oxygen-free gas source is used to blow oxygen-free gas to the shadow surface of the LED light source module, and oxygen-free environment is manufactured in the shadow surface of the LED light source module.Above-mentioned ultraviolet leds light supply apparatus is due to being equipped with oxygen-free gas source, when carrying out ultraviolet light, oxygen-free gas is blown into shadow surface by oxygen-free gas source, the oxygen concentration in shadow surface upper space can be diluted, oxygen concentration can be dropped to low-down degree by lasting blowing, so as to form oxygen-free environment.When being radiated at shadow surface due to ultraviolet light, ozone is not will produce in oxygen-free environment, to ensure UV radiation curing quality.
Description
Technical field
The present invention relates to LED light sources, more particularly to a kind of ultraviolet leds light supply apparatus.
Background technology
Ultraviolet leds light supply apparatus is mostly used in the technique using ultraviolet radiation-curable, for example, photoetching solidification and
Print curing process etc..
Since ultraviolet light can cause the oxygen in air to ionize, ozone is generated.And the activity of ozone is higher, in purple
The region of outside line energy accumulating namely ultraviolet light shadow surface have ozone generation, and this is exactly the region residing for curing materials.
In some techniques, such as printing technology, certain printing materials can be caused to print qualification rate reduction by ozone oxidation.Ozone also can
It absorbs and stops ultraviolet light, make the reduction of ultraviolet energy illumination efficiency.
In addition, in printing technology, ultraviolet leds light source will usually provide the light source of high density degree high-energy, to realize
Scan-type irradiates cured process.However traditional ultraviolet leds light source generally existing light concentration degree is insufficient, it is remote highly dense
The problem of degree degree high-energy deficiency.
Invention content
Based on this, it is necessary to which providing one kind and can preventing ultraviolet light from contacting with oxygen generation ozone in irradiation can also absorb
With blocking ultraviolet light, make the reduction of ultraviolet energy illumination efficiency, the ultraviolet leds light supply apparatus that curing materials are aoxidized.
A kind of ultraviolet leds light supply apparatus, including LED light source module and radiating module, the LED light source module include base
Plate and on the substrate and the LED light source unit that is arranged in array, the substrate are set on the radiating module, feature
It is, further includes oxygen-free gas source and blocking component；The oxygen-free gas source to the shadow surface of the LED light source module for blowing
Oxygen-free gas is sent, oxygen-free environment is manufactured in the shadow surface of the LED light source module；The component that blocks is located on LED light source mould
Around block, and shadow surface is extended to, relative closure space is isolated between the LED light source module and shadow surface.
The oxygen-free gas source is set to inside radiating module in one of the embodiments, and by being set to radiating module
On gas outlet blow gas outward.
The gas outlet is set between LED light source module in one of the embodiments,.
Further include the light shield covered in all LED light source modules in one of the embodiments, the gas outlet is set to
Outside light shield.
It includes a plurality of screening that shadow surface is extended to from LED light source module to block component described in one of the embodiments,
Line is kept off, a plurality of line that blocks is stacked.
The section of the radiating module is arch, the substrate side of the LED light source module in one of the embodiments,
It is convex to the inner concave of the radiating module, multiple LED light source units are set on one side, multiple LED light source units are arranged in the substrate
Face be the continuous bending of more planes, to which section is the polygon arch continuously bent so that multiple LED light source units transmittings
Light is concentrated, and linear hot spot is formed.
The LED light source unit includes plurality of LEDs lamp bead and covers in LED lamp bead in one of the embodiments,
Optically focused transparent cover；The plurality of LEDs lamp bead is set in the groove at the interval opened up on substrate, the optically focused transparent cover and base
Plate is tightly connected and is full of nitrogen.
Further include gas concentration unit in one of the embodiments, the gas concentration unit connects with oxygen-free gas source
It is logical, for recycling the gas being blown into environment, and it is transported to the oxygen-free gas source again after treatment.
The radiating module further includes water cooling unit in one of the embodiments,.
The substrate is ceramic substrate or metal substrate in one of the embodiments,.
Above-mentioned ultraviolet leds light supply apparatus is due to being equipped with oxygen-free gas source, when carrying out ultraviolet light, oxygen-free gas source
Oxygen-free gas is blown into shadow surface, the oxygen concentration in shadow surface upper space can be diluted, lasting blowing can be by oxygen
Concentration drops to low-down degree, so as to form oxygen-free environment.When being radiated at shadow surface due to ultraviolet light, in oxygen-free environment
In not will produce ozone, to ensure UV radiation curing quality.It is formed between LED light source module and shadow surface opposite
Enclosure space can prevent gas escape too fast, can faster form oxygen-free environment, use less oxygen-free gas.
In addition, be arranged light shield for LED light source device, or the plate body of radiating module made into bending design and by LED light source mould
Block is set on radiating module, can achieve the purpose that concentrate light, to form preferably linear hot spot.
Description of the drawings
Fig. 1 is the ultraviolet leds light supply apparatus structural schematic diagram of an embodiment；
Fig. 2 is the structural schematic diagram of LED light source module；
Fig. 3 is the ultraviolet leds light supply apparatus structural schematic diagram of another embodiment；
Fig. 4 a are the plate body structure schematic diagram of radiating module；
Fig. 4 b are the schematic cross-section of the plate body of radiating module；
Fig. 5 is the system structure diagram that ultraviolet leds light supply apparatus is used for printing technology；
Fig. 6 a~6e are the different structure of ultraviolet leds light supply apparatus.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.On the contrary, purpose of providing these embodiments is make to disclose present disclosure it is more thorough complete
Face.
Fig. 1 is the ultraviolet leds light supply apparatus structural schematic diagram of an embodiment.The ultraviolet leds light supply apparatus 10 includes
The LED light source module 100 that is arranged in array, radiating module 200, oxygen-free gas source 300 and block component 600.The no oxygen
Body source 300 is used to blow gas to the shadow surface 90 of the LED light source module 100, in the irradiation of the LED light source module 100
Face 90 manufactures oxygen-free environment.The component 600 that blocks is located on around LED light source module 100, and extends to shadow surface 90,
Relative closure space is isolated between the LED light source module 100 and shadow surface 90.
Above-mentioned ultraviolet leds light supply apparatus 10 is due to being equipped with oxygen-free gas source 300, when carrying out ultraviolet light, anaerobic
Oxygen-free gas is blown into shadow surface 90 by gas source 300, can dilute the oxygen concentration in 90 upper space of shadow surface, lasting
Oxygen concentration can be dropped to low-down degree by blowing, so as to form oxygen-free environment.Since ultraviolet light is radiated at shadow surface
When 90, ozone is not will produce in oxygen-free environment, to ensure UV radiation curing quality.In 100 He of LED light source module
Relative closure space is formed between shadow surface 90, and gas escape can be prevented too fast, oxygen-free environment can be faster formed, using more
Few oxygen-free gas.
As shown in Fig. 2, LED light source module 100 may include substrate 110 and be arranged on the substrate 110 and in array
The LED light source unit 120 of cloth, the substrate 110 are set on the radiating module 200.Driving circuit can be set on substrate 110,
For driving LED light source unit 120 to shine.In the present embodiment, LED light source unit 120 is ultraviolet source.LED light source unit 120
May include 1,2 or plurality of LEDs lamp bead.LED light source unit 120 at work, will produce a large amount of heat.By by base
Plate 110 is arranged on radiating module 200, can conduct heat to radiating module 200, and give out by radiating module 200
It goes, achievees the purpose that cooling.
The oxygen-free gas source 300 can be set to inside radiating module 200 in one of the embodiments, and by setting
Gas is blowed outward in the gas outlet (not shown) on radiating module 200.Since the shadow surface 90 of LED light source module 100 is
The region of manufacture oxygen-free environment is needed, and oxygen-free gas source 300 is integrated in radiating module 200 just can be from radiating module
200 blow towards shadow surface 90, save space.
In addition, when oxygen-free gas is in radiating module 200, partial heat can also be absorbed, by being blown into shadow surface
On 90, radiating module 200 is helped preferably to radiate.
The oxygen-free gas can be the mixed of nitrogen, inert gas, nitrogen and inert gas in one of the embodiments,
Close the mixed gas between gas or inert gas.
The gas outlet can be set between LED light source unit 120 in one of the embodiments,.LED light source unit
120 are arranged in array, and gas outlet can be dispersed in many places between LED light source unit 120.Gas outlet can be uniformly distributed,
It can be with integrated distribution.
In other embodiments, oxygen-free gas source 300 can also be separately provided as shown in Figure 1.The number in oxygen-free gas source 300
Amount can be multiple, be looped around around LED light source module 100.Can also be that only there are one oxygen-free gas sources 300, and surround LED
Multiple gas outlets are arranged in 100 surrounding of light source module.
The direction of the gas outlet in oxygen-free gas source 300 is adjustable, to realize that fixed point blows the requirement of gas.Oxygen-free gas source
300 can also include flow-rate adjustment module, for adjusting the flow for blowing gas, to adapt to different blow in different spaces
The amount of sending demand.
The component 600 that blocks extends to irradiation including a plurality of from LED light source module 100 in one of the embodiments,
Line is blocked in face 90, and a plurality of line that blocks is stacked.It blocks line and is generally filament flexible.When a plurality of density for blocking line stacking
When enough high, the environment of opposing seal can be formed.It is a plurality of block line be stacked to be formed block component and can facilitate to be formed not
Same irradiation distance has preferable sealing effect simultaneously.When shadow surface into and out when, it is empty can also quickly to form closing
Between.In other embodiments, it blocks component 600 and can also be other forms, such as thin-film body flexible etc..
It blocks component 600 to be located on around LED light source module 100, cylindrical, square column type can be formed or other are cylindrical
Enclosure space.It is flexible wire, 50~100 microns of diameter to block line.
In one of the embodiments, as shown in figure 3, the ultraviolet leds light supply apparatus 10 further includes covering at all LED
Light shield 400 on light source module 100.If oxygen-free gas source 300 is integrated in radiating module 200, the gas outlet can only be set
In outside light shield 400.Light shield 400 is curved-surface structure, and the light for collecting LED light source module 100 avoids UV energy from dissipating
It loses, enhances the radiation response of the ultraviolet leds light supply apparatus 10.
Above-mentioned ultraviolet leds light supply apparatus 10 can also include that (figure is not for gas concentration unit in one of the embodiments,
Show).The gas concentration unit is connected to oxygen-free gas source 300, for recycling the gas being blown into environment, and by processing
It is transported to the oxygen-free gas source 300 again afterwards.
In one of the embodiments, as shown in fig. 4 a, the section of the radiating module 200 is arch, the LED light source
The substrate 110 of module 100 is convex to the inner concave of the radiating module 200 on one side, and multiple LED light source units 120, institute are arranged on one side
It is the continuous bending of more planes, to which section is polygon continuous bending to state substrate 110 face of multiple LED light source units 120 is arranged
Arch so that the light of multiple LED light source units transmitting is concentrated, and forms linear hot spot, as shown in Figure 4 b.Multiple LED light source lists
Member 120 is respectively placed in multiple planes of continuous bending so that the light that multiple LED light source modules 100 emit is concentrated, and line is formed
Shaped laser spot.The size of the planar structure of multiple bendings can be identical or different, as long as LED light source module 100 can be placed.
The angle of the bending of the plane junction of bending can also be identical or different, as long as can be by the transmitting of LED light source module 100
Light focuses on shadow surface 90.
It is appreciated that above-mentioned oxygen-free gas source 300 can also be placed in the continuous bending heat dissipation contact surface of more planes
In radiating module 200.And open up gas outlet in radiating module 200.Or radiating module 200 is set around radiating module 200
It sets.
Above-mentioned light shield 400 can also be equally added in structure shown in Fig. 4 a, to further strengthen the effect of light concentration
Fruit.
The radiating module 200 may include metal fin in one of the embodiments,.The metal fin can
Think aluminium radiator fin or copper radiating rib.Radiating module 200 may include the part being directly bonded with LED light source module 100, can be with
Plate body is bent using shown in above-mentioned plate shown in FIG. 1 or Fig. 4 a, can also include the fin for auxiliary heat dissipation, is installed
In the one side backwards to LED light source module 100.The fin of auxiliary heat dissipation can increase the surface area that heat distributes, and accelerate to air
The speed of middle heat dissipation.Further, the radiating module 200 can also include water cooling unit (not shown).Water cooling unit can be with
It is built in the radiating module 200, the plate body surface or inside of radiating module 200 is laid in for example, by using water pipe,
It is wherein passed through flow and takes away heat.To reach preferably heat dissipation purpose.
Fig. 5 is the application of the ultraviolet leds light supply apparatus 10 in printing technology.As shown in figure 5, executing the printing technology
System include the ultraviolet leds light supply apparatus 10, for coordinate transmit paper 20 to be printed chain wheel 30 and transmission chain
40.After paper 20 paints picture, 10 lower section of ultraviolet leds light supply apparatus is transmitted to by chain wheel 30 and transmission chain 40, it is ultraviolet
Light LED light source device 10 sends out ultraviolet light 102 (naked eyes are invisible, illustrated for effect) and is irradiated on the coating on paper 20, makes
Paint solidification, to which picture to be solidificated on paper 20.
Fig. 6 a correspond to a kind of concrete structure of the occupation mode.Radiating module 200 is the block structure of indent, and
Main body is equipped with multiple through-holes, for being passed through cooling water.Cooling water can be by ultraviolet leds light source module when flowing in through-holes
100 heats generated are taken away, and cooling effect is improved.110 one side of substrate of ultraviolet leds light source module 100 is to be convex to radiating mould
Block 200, and close to radiating module 200.110 another side of substrate of ultraviolet leds light source module 100 is equipped with LED light source unit
120, LED light source unit 120 is arranged in array.Radiating module 200 is additionally provided with the fastener 204 to extend internally in concave side, Gu
Dead axle 500 is inserted between the gap of 110 side of the fastener 204 and substrate, can be firmly solid by ultraviolet leds light source module 100
It is fixed.
Substrate 110 can be ceramic substrate or metal substrate, all have preferable heat dissipation effect.Substrate 110 and heat dissipation
Heat-conducting glue and graphene cooling fin can also be set between the contact surface of module 200, to reach better heat dissipation effect.
It may include the master for being fixed on radiating module 200 in the side of radiating module 200 that oxygen-free gas source 300, which is arranged,
Fixation pipe fitting 310 on body and the escape pipe 320 being arranged in fixed pipe fitting 310.Wherein, it can be opened up on the escape pipe 320
Gas outlet 322.Oxygen-free gas is discharged by the gas outlet 322 on escape pipe 320.
As shown in Figure 6 b, escape pipe 320 can also be arranged in substrate 110, and by being opened in substrate 110 and escape pipe
Gas is discharged in gas outlet on 320.
As fig. 6 c, which can also include light shield 400, for assembling light.
As shown in fig 6d, substrate 110 can be arc, and LED light source unit 120 is placed in its cambered surface.Wherein, LED light source
Unit 120 can be include plurality of LEDs lamp bead 121, be used in combination optically focused transparent cover 122 wrap up structure.Plurality of LEDs lamp bead 121
It is arranged at intervals on substrate 110, it is whole with 110 arc-shaped arrangement of substrate.The groove 111 at interval can be opened up on substrate 110,
LED lamp bead 121 is arranged in groove 111, and the light that such LED lamp bead 121 emits not will produce interference between each other, by poly-
The focusing light effect of light transparent cover 122 can also achieve the purpose that optically focused.Optically focused transparent cover 122 connects with the sealing of substrate 110
It connects.It can inflated with nitrogen in optically focused transparent cover 122.The quantity of LED lamp bead 121 in each LED light source unit 120 can be identical,
It can also be different.
As shown in fig 6e, escape pipe 320 can also be set on substrate 110.
Each technical characteristic of embodiment described above can be combined arbitrarily, to keep description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, it is all considered to be the range of this specification record.
Several embodiments of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of ultraviolet leds light supply apparatus, including LED light source module and radiating module, the LED light source module include substrate
With on the substrate and the LED light source unit that is arranged in array, the substrate are set on the radiating module, feature exists
In further including oxygen-free gas source and blocking component；The oxygen-free gas source to the shadow surface of the LED light source module for blowing
Oxygen-free gas manufactures oxygen-free environment in the shadow surface of the LED light source module；The component that blocks is located on LED light source module
Around, and shadow surface is extended to, relative closure space is isolated between the LED light source module and shadow surface.
2. ultraviolet leds light supply apparatus according to claim 1, which is characterized in that the oxygen-free gas source is set to heat dissipation
Inside modules, and gas is blowed by the gas outlet on radiating module outward.
3. ultraviolet leds light supply apparatus according to claim 2, which is characterized in that the gas outlet is set to LED light source mould
Between block.
4. ultraviolet leds light supply apparatus according to claim 2, which is characterized in that further include covering at all LED light sources
Light shield in module, the gas outlet are set to outside light shield.
5. ultraviolet leds light supply apparatus according to claim 1, which is characterized in that it is described block component include it is a plurality of from
LED light source module extends to the line that blocks of shadow surface, and a plurality of line that blocks is stacked.
6. ultraviolet leds light supply apparatus according to claim 1, which is characterized in that the section of the radiating module is arch
Shape, the substrate side of the LED light source module are convex to the inner concave of the radiating module, and multiple LED light source units are arranged on one side,
The face that multiple LED light source units are arranged in the substrate is the continuous bending of more planes, to which section is the polygon arch continuously bent
Shape so that the light of multiple LED light source unit transmittings is concentrated, and linear hot spot is formed.
7. ultraviolet leds light supply apparatus according to claim 1, which is characterized in that the LED light source unit includes more
LED lamp bead and cover at the optically focused transparent cover in LED lamp bead；The plurality of LEDs lamp bead is set to the interval opened up on substrate
In groove, the optically focused transparent cover connect with base plate seals and is full of nitrogen.
8. ultraviolet leds light supply apparatus according to claim 1, which is characterized in that further include gas concentration unit, it is described
Gas concentration unit is connected to oxygen-free gas source, for recycling the gas being blown into environment, and is transported to again after treatment
The oxygen-free gas source.
9. ultraviolet leds light supply apparatus according to claim 1, which is characterized in that the radiating module further includes water cooling
Unit.
10. ultraviolet leds light supply apparatus according to claim 1, which is characterized in that the substrate is ceramic substrate or gold
Belong to substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710204150.8A CN108662444B (en) | 2017-03-30 | 2017-03-30 | Ultraviolet LED light source device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710204150.8A CN108662444B (en) | 2017-03-30 | 2017-03-30 | Ultraviolet LED light source device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108662444A true CN108662444A (en) | 2018-10-16 |
| CN108662444B CN108662444B (en) | 2021-01-05 |
Family
ID=63785629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710204150.8A Active CN108662444B (en) | 2017-03-30 | 2017-03-30 | Ultraviolet LED light source device |
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| CN (1) | CN108662444B (en) |
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| CN110196517A (en) * | 2019-05-16 | 2019-09-03 | 深圳市华星光电技术有限公司 | A kind of ultraviolet irradiation machine |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108662444B (en) | 2021-01-05 |
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