CN205644015U - Light source subassembly and possess exposure machine of this light source subassembly - Google Patents
Light source subassembly and possess exposure machine of this light source subassembly Download PDFInfo
- Publication number
- CN205644015U CN205644015U CN201620230436.4U CN201620230436U CN205644015U CN 205644015 U CN205644015 U CN 205644015U CN 201620230436 U CN201620230436 U CN 201620230436U CN 205644015 U CN205644015 U CN 205644015U
- Authority
- CN
- China
- Prior art keywords
- led chip
- light source
- lens group
- source assembly
- light
- 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 - Fee Related
Links
Landscapes
- Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
Abstract
The utility model provides a light source subassembly and possess exposure machine of this light source subassembly relates to PCB exposure field, can be on the basis of guaranteeing sufficient exposure light quantity, and furthest keeps original structure of exposure machine to the update of exposure machine product is carried out with the low cost. The light source subassembly possesses: be used for producing the ultraviolet one or more LED chip, be used for binding the base plate of LED chip, be used for doing the radiating heat abstractor of LED chip, and optical lens group, its set up in LED chip the place ahead, it is right to be used for the parallelization plastic is carried out to the ultraviolet light path that the LED chip produced, wherein, the one or more LED chip for the optical lens fabric becomes the pointolite.
Description
Technical field
This utility model relates to PCB (Printed Circuit Board, printed circuit board) and exposes field, especially
It relates to a kind of for producing the light source assembly of directional light and possessing the exposure machine of this light source assembly.
Background technology
During PCB manufactures, need to utilize exposure machine etc. that PCB surface is exposed, to carry out figure transfer.
Such as, for being coated with film or the PCB surface of the colored ink as insulating barrier, need it is entered
Row exposure is so that ink setting solidifies.
In the past, mainly installing high voltage mercury lamp on exposure machine, high voltage mercury lamp sends ultraviolet light with to PCB table
Face is exposed.But, the caloric value of high voltage mercury lamp is big, and PCB can be caused bad by too high temperature
Impact, it is therefore desirable to be placed on from PCB surface remote position, usually, high voltage mercury lamp to PCB
The optical path distance on surface is at about 1m or bigger, and this makes the effective light quantity arriving PCB surface less,
High voltage mercury lamp inefficient, power consumption is bigger.Additionally, high voltage mercury lamp also have spectral width, high pollution,
The shortcomings such as the life-span is short.To this end, prior art occurs in that the scheme utilizing LED lamp bead to substitute high voltage mercury lamp.
LED lamp bead has structure as shown in Figure 5, and LED 52 is fixed on base 51, LED 52 opposite side
Light-emitting area contact with the lens 53 of convex, LED 52 sends ultraviolet towards lens 53.Due to ultraviolet
Belong to cold light, therefore, LED lamp bead can be placed in the position close to PCB surface, such as, can be by many
LED lamp bead composition array light source (being equivalent to area source), is respectively placed in PCB surface both sides with right
It is exposed.
During stating prior art in realization, inventor finds: use the exposure machine of high voltage mercury lamp in the past
Typically having the structure being similar to Fig. 6, according to this structure, the light that high voltage mercury lamp 60 sends is anti-by curved surface
Light microscopic 61 reflexes to plane mirror 62, then arrives light splitting plane mirror 64 through compound eye lens group 63, point
Optical plane mirror 64 has shutter constructions, when it is positioned at shown position, can reflect light obliquely upward, when
When it withdraws shown position, light directly irradiates toward obliquely downward.Specifically, in a period of time, light splitting
Plane mirror 64 reflects the light optical reflector of curved surface 65 to upside, by adjusting the incident angle of light, light
Can be reflected by optical reflector of curved surface 65 and vertical irradiation is at the upper surface of PCB 67；Within the next time period,
Light direct irradiation is to the optical reflector of curved surface 66 of downside, then is reflected by optical reflector of curved surface 66 and vertical irradiation exists
The lower surface of PCB 67.As the replacement scheme of this exposure machine, if directly in the installation position of high voltage mercury lamp
Put and substitute high voltage mercury lamp by LED lamp bead, if it has to the array optical being made up of many LED lamp bead is set
Source, otherwise arrives the ultraviolet light quantity wretched insufficiency of PCB surface；On the other hand, if give up this light source-
The structure of battery of lens-light splitting plane mirror-optical reflector of curved surface and directly arrange in the upper and lower surface both sides of PCB by
The array light source of many LED lamp bead compositions, then the structural change of exposure machine is relatively big, is unfavorable for low cost
Ground carries out model change.
Utility model content
For above-mentioned technical problem of the prior art, this utility model provides a kind of light source assembly and possesses this
The exposure machine of light source assembly, utilizes LED chip light source to replace high voltage mercury lamp, it is possible to ensureing enough exposures
On the basis of light light quantity, retain the original structure of exposure machine to greatest extent, thus be exposed with low cost
The update of machine product.
This utility model solves its technical problem and be the technical scheme is that a kind of light source assembly of structure, tool
Standby:
For producing one or more LED chip of ultraviolet；
For binding the substrate of described LED chip；
For the heat abstractor dispelled the heat for described LED chip；And
Optical lens group, it is arranged at described LED chip front, for produce described LED chip
The light path of ultraviolet carries out parallelization shaping,
Wherein, the one or more LED chip constitutes point source relative to described optical lens group.
In the implementation that another is possible, described optical lens group is installed on described by link
LED chip dead ahead, described link is provided with for regulating described LED chip and described optical lens
The distance adjusting mechanism of the spacing of mirror group.
In the implementation that another is possible, described heat abstractor is provided with water inlet, outlet and described
Water pipeline between water inlet and described outlet.
In the implementation that another is possible, described heat abstractor is provided with radiating tube, radiating fin and
Radiator fan, described radiating tube connects described heat abstractor and described radiating fin, and described radiator fan is arranged
In described radiating fin both sides.
In the implementation that another is possible, described substrate is provided with temperature sensor.
In the implementation that another is possible, described optical lens group is by plural optical lens group
Become.
On the other hand, a kind of exposure machine of structure, possess:
Hack, for carrying substrate to be exposed；
Above-mentioned light source assembly；
It is arranged at the compound eye lens group in described light source assembly front；
Light splitting plane mirror, it is movably arranged at described compound eye lens group front, when it is positioned at primary importance
Time, for reflection from the ultraviolet of described compound eye lens group outgoing, when in the second position, do not reflect from
The ultraviolet of described compound eye lens group outgoing；
Two optical reflector of curved surface, its be respectively arranged at described plane light microscopic light splitting plane mirror oblique upper and tiltedly under
Side, for by the upper and lower surface from described plane light microscopic light splitting plane mirror vertical reflection to described substrate.
In this utility model, in the exposure of light source-battery of lens-light splitting plane mirror-this structure of optical reflector of curved surface
Machine substitutes high voltage mercury lamp or LED lamp bead array light source by LED chip, due to sending out of LED chip
Optical property is excellent, therefore, it is possible to ensure the enough exposure light amount to PCB surface, again due to only need to be original
The exposure machine of light source-battery of lens-light splitting plane mirror-optical reflector of curved surface structure carry out minor modifications, remain big
Part original structure (such as, compound eye lens group, light splitting plane mirror, optical reflector of curved surface etc.), accordingly, it is capable to
Enough updates being exposed machine product with low cost, and can the reliability of inheriting tradition exposure machine and steady
Qualitative high feature.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is light source assembly provided by the utility model light path schematic diagram in a state of use；
Fig. 2 be luminescence unit provided by the utility model with optical lens group just schematic diagram to state；
Fig. 3 is the side structure schematic diagram of the luminescence unit with air cooling way heat abstractor；
Fig. 4 is the structural representation of LED chip provided by the utility model；
Fig. 5 is the structural representation of LED lamp bead in prior art；
Fig. 6 is prior art mesohigh mercury lamp light path schematic diagram in a state of use.
Detailed description of the invention
In order to technical characteristic of the present utility model, purpose and effect are more clearly understood from, now compare attached
Figure describes detailed description of the invention of the present utility model in detail.
Fig. 1 is light source assembly provided by the utility model light path schematic diagram in a state of use.Such as Fig. 1
Shown in, light source assembly 1 includes luminescence unit 10 and optical lens group 11.Light source assembly 1 can be applicable to " light
Source-battery of lens-light splitting plane mirror-optical reflector of curved surface " exposure structure machine in, light source assembly 1 is in light path
Initiating terminal, sends ultraviolet as light source.Compared to existing exposure machine uses high voltage mercury lamp or array
LED lamp bead, in light source assembly provided by the utility model, uses containing LED chip as described later
The luminescence unit 10 of 101 is as an alternative.Luminescence unit 10 sends ultraviolet along the direction of arrow of diagram.
Optical lens group 11 is configured at the light front of luminescence unit 10.Link (not shown) can be set
For fixing the optical lens group 11 position relative to luminescence unit 10.Link may utilize existing exposure machine
In link.Optical lens group 11 is for carrying out parallelization shaping to light path so that each bundle ultraviolet it
Between less parallel.
The front of optical lens group 11 is configured with compound eye lens group 12, light splitting plane mirror 13 successively.In light splitting
The oblique upper of plane mirror 13 and obliquely downward are each configured with optical reflector of curved surface 14 and optical reflector of curved surface 15.Light
Learn battery of lens 11 to work with compound eye lens group 12 1 so that from the ultraviolet of compound eye lens group 12 outgoing
(or reflecting without light splitting plane mirror 13) is reflected and optical reflector of curved surface 14,15 is anti-through light splitting plane mirror 13
Hack and PCB 16 can be impinged perpendicularly on after penetrating.
Fig. 2 is luminescence unit provided by the utility model 10 just signal to state with optical lens group 11
Figure.As in figure 2 it is shown, luminescence unit 10 mainly includes LED chip 101, for binding LED chip
The substrate 102 of 101 and the heat abstractor 103 for heat radiation.LED chip 101 is right against optical lens group
11, it is grade, for example, 2mm with the distance of optical lens group 11.As it has been described above, in embodiment
In, optical lens group 11 is installed on LED chip 101 dead ahead by link, and link can be arranged
For regulating the distance adjusting mechanism of luminescence unit 10 and the spacing of optical lens group 11.LED chip
101 such as can by stickup in the way of be fixed in substrate 102, substrate 102 with LED chip 101 phase
The surface tossed about is in close contact with heat abstractor 103.For the ease of from LED chip 101 heat conduction, substrate
102 preferably can use the material such as metal by heat conductivity is good to make.Although LED chip 101 shown in figure
It is one, but, can also arrange multiple in this utility model.Multiple LED chip 101 is being set
In the case of, an optical lens group 11 the most only need to be set.It is different from prior art, each LED
The all corresponding lens 53 of pearl, multiple LED lamp bead need to separate layout so that LED lamp bead array is formed
The area source corresponding with compound eye lens group 63 (the so-called area source corresponding with compound eye lens group 63 refers to,
Area shared by LED lamp bead array corresponds roughly to the area of compound eye lens group 63), at this utility model
In, owing to LED chip has, volume is little, energy is high, and multiple LED chip 101 can arrange
Obtaining compacter, therefore, multiple LED chip 101 are also point source relative to optical lens group 11.This
Sample one, it is adaptable to the optical lens group 11 of single led chip 101 (it is point source) also is able to fit
For multiple LED chip 101.Multiple LED chip 101 are preferably 4.
Fig. 3 is the structural representation of LED chip 101 provided by the utility model.As it is shown on figure 3,
LED chip 103 includes P pole and N pole, P extremely positive pole, N extremely negative pole.As it has been described above, compare
In the LED lamp bead shown in Fig. 4, LED chip 101 does not have lens arrangement.It should be noted that remove
Not possessing outside lens arrangement, LED chip 101 goes up in other respects also different from LED lamp bead, be
It is different from the another kind of product of LED lamp bead.Relative to LED lamp bead, LED chip 101 have volume little,
Energy height, good stability, life-span length, low cost, the advantage such as pollution-free, radiationless.This LED chip
101 such as can use the UV1000-39 that the big company of looking down upon the world in Soul (SEOUL VIO SYS) company produces.
In this utility model, the light source owing to being used is the LED chip 101 being different from high voltage mercury lamp,
Therefore, optical lens group 11 need to adjust corresponding to LED chip, and concrete adjustment mode can be according to reality
It needs to be determined that, this is not construed as limiting by this utility model.Such as, in one implementation, optical lens group
11 are made up of plural optical lens.
In this utility model, in the exposure of light source-battery of lens-light splitting plane mirror-this structure of optical reflector of curved surface
Machine substitutes high voltage mercury lamp or LED lamp bead array light source by LED chip, due to sending out of LED chip
Optical property is excellent, therefore, it is possible to ensure the enough exposure light amount to PCB surface, again due to only need to be original
The exposure machine of light source-battery of lens-light splitting plane mirror-optical reflector of curved surface structure carry out minor modifications, remain big
Part original structure (such as, compound eye lens group, light splitting plane mirror, optical reflector of curved surface etc.), accordingly, it is capable to
Enough updates being exposed machine product with low cost, and can the reliability of inheriting tradition exposure machine and steady
Qualitative high feature.
In order to dispel the heat LED chip 101, the radiating mode of configurable heat abstractor 103 is water-cooled
Mode or air cooling way.In fig. 3 it is shown that be the heat abstractor 103 of water-cooling pattern, its have into
The mouth of a river 1031, water pipeline 1033 between outlet 1032 and water inlet and outlet.Water pipeline
1033 run through heat abstractor 103 inside.Although it is understood that water pipeline 1033 shown in figure
It is a straight tube, but, water pipeline 1033 can be made as required to wriggle and to run through in heat abstractor 103
Portion.
On the other hand, for the heat abstractor 103 of air cooling way, as it is shown on figure 3, such as can be at heat radiation dress
Putting connection radiating tube 105 on 103, radiating tube 105 is connected with radiating fin 106, and radiator fan 107 sets
It is placed in radiating fin 106 both sides.
At one more specifically in implementation of the present utility model, in order to monitor the temperature of LED chip 101
Degree, for determining the duty (such as luminous quantity, temperature is the most high) of LED chip 101,
Temperature sensor 104 can be set at substrate 102.Temperature sensor 104 such as can realize with critesistor.
As it has been described above, above-mentioned light source assembly can be applicable in exposure machine, in addition to light source assembly, exposure machine is also
Possess: for carrying the hack (being in the position of substrate 16, non-label) of substrate to be exposed；It is arranged at light
The compound eye lens group 12 in source component 1 front；Light splitting plane mirror 13, it is movably arranged at fly's-eye lens
Organize 12 fronts, when it is positioned at primary importance (i.e. position shown in Fig. 1), for reflection from fly's-eye lens
Organize the ultraviolet of 12 outgoing, when being positioned at the second position (i.e. the position of position shown in slip chart 1), no
Reflect the ultraviolet from compound eye lens group 12 outgoing；Two optical reflector of curved surface 14,15, it is respectively arranged at
The oblique upper of light splitting plane mirror 13 and obliquely downward, being used for will be from light splitting plane mirror 13 vertical reflection to substrate
The upper and lower surface of 16.When light splitting plane mirror 13 is positioned at primary importance, light splitting plane mirror 13 reflects from multiple
The ultraviolet of eyelens group 12 outgoing is to the optical reflector of curved surface 14 of oblique upper；When light splitting plane mirror 13 is positioned at
During the second position, from the optical reflector of curved surface of the ultraviolet direct irradiation of compound eye lens group 12 outgoing to obliquely downward
15。
Above in conjunction with accompanying drawing, embodiment of the present utility model is described, but this utility model not office
Being limited to above-mentioned detailed description of the invention, above-mentioned detailed description of the invention is only schematically rather than to limit
Property, those of ordinary skill in the art is under enlightenment of the present utility model, without departing from this utility model ancestor
In the case of purport and scope of the claimed protection, it may also be made that a lot of form, it is new that these belong to this practicality
Within the protection of type.
Claims (7)
1. a light source assembly, it is characterised in that possess:
For producing one or more LED chip of ultraviolet；
For binding the substrate of described LED chip；
For the heat abstractor dispelled the heat for described LED chip；And
Optical lens group, it is arranged at described LED chip front, for produce described LED chip
The light path of ultraviolet carries out parallelization shaping,
Wherein, the one or more LED chip constitutes point source relative to described optical lens group.
Light source assembly the most according to claim 1, it is characterised in that
Described optical lens group is installed on described LED chip dead ahead by link, on described link
It is provided with the distance adjusting mechanism for regulating described LED chip and the spacing of described optical lens group.
Light source assembly the most according to claim 1, it is characterised in that described heat abstractor is provided with
Water pipeline between water inlet, outlet and described water inlet and described outlet.
Light source assembly the most according to claim 1, it is characterised in that
Being provided with radiating tube, radiating fin and radiator fan on described heat abstractor, described radiating tube connects institute
Stating heat abstractor and described radiating fin, described radiator fan is arranged at described radiating fin both sides.
Light source assembly the most according to claim 1, it is characterised in that
Described substrate is provided with temperature sensor.
6. according to the light source assembly described in any one of claim 1 to 5, it is characterised in that
Described optical lens group is made up of plural optical lens.
7. an exposure machine, it is characterised in that possess: hack, for carrying substrate to be exposed；
Light source assembly described in any one of claim 1 to 6；
It is arranged at the compound eye lens group in described light source assembly front；
Light splitting plane mirror, it is movably arranged at described compound eye lens group front, when it is positioned at primary importance
Time, reflect the ultraviolet from described compound eye lens group outgoing, when in the second position, do not reflect from described
The ultraviolet of compound eye lens group outgoing；
Two optical reflector of curved surface, its oblique upper being respectively arranged at described light splitting plane mirror and obliquely downward, be used for
By the upper and lower surface from described light splitting plane mirror vertical reflection to described substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620230436.4U CN205644015U (en) | 2016-03-23 | 2016-03-23 | Light source subassembly and possess exposure machine of this light source subassembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620230436.4U CN205644015U (en) | 2016-03-23 | 2016-03-23 | Light source subassembly and possess exposure machine of this light source subassembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205644015U true CN205644015U (en) | 2016-10-12 |
Family
ID=57075320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620230436.4U Expired - Fee Related CN205644015U (en) | 2016-03-23 | 2016-03-23 | Light source subassembly and possess exposure machine of this light source subassembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205644015U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108508708A (en) * | 2018-04-08 | 2018-09-07 | 河南百合特种光学研究院有限公司 | A kind of UV-LED exposure light sources holder |
-
2016
- 2016-03-23 CN CN201620230436.4U patent/CN205644015U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108508708A (en) * | 2018-04-08 | 2018-09-07 | 河南百合特种光学研究院有限公司 | A kind of UV-LED exposure light sources holder |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105589302A (en) | Ultraviolet light exposure system capable of emitting light in parallel and exposure machine | |
| CN103994357A (en) | Ultra-violet LED face light source for PCB exposure machine | |
| CN102086989A (en) | Light emitting diode (LED) lamp and street lamp using same | |
| CN205644015U (en) | Light source subassembly and possess exposure machine of this light source subassembly | |
| CN102062674A (en) | Contactless detection method and apparatus for heat radiation of semiconductor lighting product | |
| CN205191413U (en) | Ultra -large -power LED high -Pole lamp | |
| CN207690428U (en) | A kind of LED display to radiate before screen | |
| CN202955578U (en) | High light line source | |
| CN205606386U (en) | Light -emitting diode (LED) car lamp | |
| CN208224714U (en) | UV-LED optical system and exposure machine | |
| CN108490744B (en) | UV-LED optical system and exposure machine | |
| CN108571695A (en) | A kind of car light projection lamp module | |
| CN201803227U (en) | LED lamp adopting lenses to achieve approximately parallel light array distribution way | |
| CN209055802U (en) | A kind of exposure machine that the uniformity is high | |
| CN209262915U (en) | A kind of LED condenser formula list dipped beam mould group | |
| CN207164467U (en) | LED light polyplant and parallel exposing machine | |
| CN206207262U (en) | Dipped headlight group and automobile | |
| CN206488184U (en) | Dipped headlight group and automobile | |
| CN201819066U (en) | LED (light emitting diode) lamp | |
| CN205656424U (en) | Astigmatism exposing lamp and possess astigmatic exposure machine of this astigmatism exposing lamp | |
| CN205581516U (en) | Parallel light -emitting ultraviolet ray exposure system and exposure machine | |
| CN203940299U (en) | A kind of PCB ultraviolet LED area source for exposure machine | |
| CN205560540U (en) | High -power LED car light radiator | |
| CN202118547U (en) | A uniform illumination and heat dissipation rotary LED floodlight | |
| CN209542955U (en) | A kind of laser lighting structure using reflective mirror and lens |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161012 Termination date: 20210323 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |