CN203442616U - Light source module with two-piece light guide columns and scanner optical component using same - Google Patents
Light source module with two-piece light guide columns and scanner optical component using same Download PDFInfo
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- CN203442616U CN203442616U CN201320584617.3U CN201320584617U CN203442616U CN 203442616 U CN203442616 U CN 203442616U CN 201320584617 U CN201320584617 U CN 201320584617U CN 203442616 U CN203442616 U CN 203442616U
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- light
- guiding pillar
- luminescence component
- source module
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Abstract
The utility model provides a light source module with two-piece light guide columns and a scanner optical component using the same. The optical module comprises a support seat, a first light guide column, a second light guide column, a first light-emitting component and a second light-emitting component; the first light guide column and the second light guide column are installed on the support seat in a serial connection mode; the support seat partially covers the first light guide column and the second light guide column; the first light guide column is provided with a first light-exiting surface; the second light guide column is provided with a second light-exiting surface; the first light-emitting component is arranged close to the first terminal position of the first light guide column; light rays emitted by the first light-emitting component are converted into first ray-shaped light emitted from the first light-exiting surface through the reflection by the first light guide column; the second light-emitting component is arranged close to the first terminal of the second light guide column; light rays emitted by the second light-emitting component are converted into second ray-shaped light emitted from the second light-exiting surface through the reflection by the second light guide column. A scanner optical component using the light source module is also disclosed at the same time.
Description
Technical field
The utility model relates to a kind of light source module and uses its scanner optical module, particularly a kind of scanner optical module that has the light source module of bipartial light-guiding pillar and use it.
Background technology
Light emitting diode (Light-Emitting Diode, LED) is the advantage such as energy conversion efficiency is high, power saving, the life-span is long, volume is little owing to having, and is extensively employed and is used as light source.With regard to scanner, the light that LED sends is point-like light, need to convert Line of light to by light-guiding pillar, needed illuminating ray in the time of just providing scan manuscript.
General light-guiding pillar all be take leaded light as object, thus be mostly transparent acrylic ejection formed piece, and ejection formed piece has into watering a little so that ejection formation.With regard to the light-guiding pillar of strip, enter to water the one end that is a little usually located at ejection formed piece, so that designer effectively controls the residual etc. of distortion, disorder and internal stress.If such light-guiding pillar is used the lighting source of single-sided illumination, enter to water the lighting quality that existence a little can't affect light-guiding pillar.
Recently, for making the illuminance at linear light sources module two ends higher, someone uses the light source module of two LED gradually, LED is placed on to the two ends of light-guiding pillar.But thus, light-guiding pillar must carry out additional processing to be repaiied except having into the one end of watering a little, otherwise the light of LED cannot inject in light-guiding pillar efficiently, the illuminance of remote-effects light-guiding pillar.
Therefore, the utility model provides a kind of light source module and uses its scanner optical module, as solution of the above problems.
Utility model content
The purpose of this utility model is to provide a kind of scanner optical module that has the light source module of bipartial light-guiding pillar and use it, the utility model can promote the overall brightness of linear light source module, and facilitates light luminance curve that the producer adjusts light source module to meet the demand of different product to light-source brightness.
For achieving the above object, the utility model provides a kind of light source module, comprise rest seat, the first light-guiding pillar, the second light-guiding pillar, the first luminescence component, and second luminescence component, the first light-guiding pillar and the second light-guiding pillar are in series installed on rest seat, and rest seat part is being coated the first light-guiding pillar and the second light-guiding pillar; The first light-guiding pillar has the first exiting surface, and the second light-guiding pillar has the second exiting surface; The first luminescence component is arranged at the first terminal position near the first light-guiding pillar, and the light that the first luminescence component is launched converts through the reflection quilt of the first light-guiding pillar the first Line of light being penetrated by the first exiting surface to; The second luminescence component is arranged at the first terminal position near the second light-guiding pillar, and the light that the second luminescence component is launched converts through the reflection quilt of the second light-guiding pillar the second Line of light being penetrated by the second exiting surface to.
In addition, the utility model more provides a kind of scanner optical module, comprises housing, above-mentioned light source module, magnifier module, lens and image sensor.Light source module is installed on housing, and magnifier module, lens and image sensor are arranged in housing.Light source module irradiates the first Line of light and the second Line of light on original copy, and the light that original copy reflects reflects via magnifier module, and scioptics arrive image sensor, makes image sensor obtain the optical signalling of the image that represents original copy.
The utility model also provides a kind of scanner optical module, comprises housing, and is arranged at the first light-guiding pillar, the second light-guiding pillar, the first luminescence component, the second luminescence component, set of lenses and image sensor in housing.The first light-guiding pillar and the second light-guiding pillar are in series arranged in housing, and the first light-guiding pillar has the first exiting surface, and the second light-guiding pillar has the second exiting surface; The first luminescence component is arranged at the first terminal position near the first light-guiding pillar, and the light that the first luminescence component is launched converts through the reflection quilt of the first light-guiding pillar the first Line of light being penetrated by the first exiting surface to; The second luminescence component is arranged at the first terminal position near the second light-guiding pillar, and the light that the second luminescence component is launched converts through the reflection quilt of the second light-guiding pillar the second Line of light being penetrated by the second exiting surface to.The first Line of light and the second Line of light are irradiated on original copy, and the rays pass through lens group that original copy reflects arrives image sensor, make image sensor obtain the optical signalling that represents original image.
According to the utility model light source module and use the scanner optical module of this light source module, the light-guiding pillar that utilizes two-section to shorten coordinates the design of bilateral incident type, its distortion amount of warpage is also relatively easily controlled, effectively improve the production efficiency of ejection formation product, and improved product percent of pass, and there is the advantage of a large amount of production of automation and cost.In addition, in the utility model, on the light-guiding pillar of ejection formation, inevitably entering to water does not a little need to process again, just can direct-assembling to light source module, this additional processing of entering to water a little to need that can reduce traditional light-guiding pillar one end is repaiied the cost removing.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, introduce the utility model.
Fig. 1 is according to the stereogram of the scanner optical module of the utility model the first embodiment.
Fig. 2 is the configuration schematic diagram of the scanner optical module of Fig. 1.
Fig. 3 is the stereogram of the light source module of Fig. 1.
Fig. 4 is the front view of the light source module of Fig. 1.
Fig. 5 is according to the front view of the light source module of the utility model the second embodiment.
Fig. 6 is according to the front view of the light source module of the utility model the 3rd embodiment.
Fig. 7 is according to the front view of the light source module of the utility model the 4th embodiment.
Fig. 8 is according to the schematic diagram of the light reflection structure of light-guiding pillar of the present utility model.
Fig. 9 is according to the configuration schematic diagram of the scanner optical module of the utility model the 5th embodiment.Element numbers explanation
DL: longitudinally
L1: straight line
LB1, LB3: light
LB2, LB4: Line of light
M: original copy
1,1 ', 1 ", 1 " ': light source module
10: rest seat
20: the first light-guiding pillars
21: the first exiting surfaces
22,32: first terminal
23,33: the second terminals
24,34: enter to water a little
25,35: incidence surface
26,36: chamfering
30: the second light-guiding pillars
31: the second exiting surfaces
40: the first luminescence components
50: the second luminescence components
60: delustring assembly
70,80: reflecting layer
90: light reflection structure
100: scanner optical module
110: housing
120: magnifier module
121,122,123: speculum
130: lens
140: image sensor
150,160: side plate
200: scanner optical module
210: housing
230: set of lenses
240: image sensor
The specific embodiment
Light source module of the present utility model adopts two light-guiding pillars of arranged in series to realize function and the above-mentioned purpose of both sides light inlet.
Fig. 1 is shown as according to the stereogram of the scanner optical module 100 of the utility model the first embodiment.Fig. 2 is the configuration schematic diagram of the scanner optical module 100 of Fig. 1.As shown in Figures 1 and 2, the scanner optical module 100 of the present embodiment comprises housing 110, light source module 1, magnifier module 120, lens 130 and image sensor 140.
Fig. 3 is the stereogram of the light source module 1 of Fig. 1, the front view of the light source module 1 that Fig. 4 is Fig. 1.As shown in Figure 3 and Figure 4, light source module 1 comprises rest seat 10, the first light-guiding pillar 20, the second light-guiding pillar 30, the first luminescence component 40 and the second luminescence component 50, in addition, scanner optical module 100 also comprises side plate 150 and side plate 160, and side plate 150 and side plate 160 are set up on housing 110.
In the present embodiment, the first luminescence component 40 and the second luminescence component 50 are all usingd light emitting diode as illustration, but non-limitative example describes.The first luminescence component 40 and the second luminescence component 50 are arranged at respectively on side plate 150 and side plate 160.
The first light-guiding pillar 20 and the second light-guiding pillar 30 are in series installed on rest seat 10, and are arranged on the straight line L1 extending along the longitudinally DL of rest seat 10; The first light-guiding pillar 20 has the first exiting surface 21, the second light-guiding pillars 30 and has the second exiting surface 31; Local coated the first light-guiding pillar 20 of rest seat 10 and the second light-guiding pillar 30, and expose the first exiting surface 21, the second exiting surface 31.The first luminescence component 40 is arranged at first terminal 22 positions near the first light-guiding pillar 20, and the light LB1 that the first luminescence component 40 is launched converts through the reflection quilt of the first light-guiding pillar 20 the first Line of light LB2 being penetrated by the first exiting surface 21 to; The second luminescence component 50 is arranged at first terminal 32 positions near the second light-guiding pillar 30, and the light LB3 that the second luminescence component 50 is launched converts through the reflection quilt of the second light-guiding pillar 30 the second Line of light LB4 being penetrated by the second exiting surface 31 to.In the present embodiment, the first light-guiding pillar 20 and the second light-guiding pillar 30 are that the mode production and processing by ejection formation forms, therefore the second terminal 23 of the first light-guiding pillar 20 and the second terminal 33 of the second light-guiding pillar 30 be formed with respectively into water a little 24 with enter to water a little 34.Enter to water a little 24 and to enter to water a little 34 be that injection molding manufacture procedure is required, but also can be removed through following process.The second terminal 23 of the first light-guiding pillar 20 is relative with the first terminal 22 of the first light-guiding pillar 20; The second terminal 33 of the second light-guiding pillar 30 is relative with the first terminal 32 of the second light-guiding pillar 30; The first terminal 22 of the first light-guiding pillar 20 and the first terminal 32 of the second light-guiding pillar 30 are formed with respectively incidence surface 25 and the incidence surface 35 of light-permeable, so that the light LB1 of the first luminescence component 40 and the second luminescence component 50 enters.
In the present embodiment, the first light-guiding pillar 20 has with the second light-guiding pillar 30 length equating, such benefit is that the first light-guiding pillar 20 and the second light-guiding pillar 30 have same size, therefore can produce in enormous quantities and reduce costs.For example, in the prior art, the light source module of A4 size scanning instrument lamp guide length used need reach 242mm, and first light-guiding pillar 20 of the present embodiment and the length of the second light-guiding pillar 30 are less than 121mm.Light-guiding pillar size is less, and speed of production and product percent of pass all can significantly promote.
Fig. 5 is according to the front view of the light source module 1' of the utility model the second embodiment.As shown in Figure 5, the light source module 1' of the present embodiment is similar to the first embodiment, difference is that light source module 1' further comprises delustring assembly 60, delustring assembly 60 is arranged at the center section part of rest seat 10, and between the first light-guiding pillar 20 and the second light-guiding pillar 30, for eliminating a part from the second terminal 23 of the first light-guiding pillar 20 and the light sending from the second terminal 33 of the second light-guiding pillar 30.So just can reduce the brightness that the first Line of light LB2 and the second Line of light LB4 are positioned at the second terminal 23,33.
Fig. 6 is according to the light source module 1 of the utility model the 3rd embodiment " front view.As shown in Figure 6, the light source module 1 of the present embodiment " be similar to the second embodiment; and difference is that the second terminal 23 of the first light-guiding pillar 20 and the second terminal 33 of the second light-guiding pillar 30 are respectively equipped with chamfering (chamfer) 26,36, to promote the first Line of light LB2 and the second Line of light LB4 in the brightness of the second terminal 23,33.In addition light source module 1, " also comprise that reflecting layer 70,80, reflecting layer 70,80 are arranged at respectively in chamfering 26,36, the light of launching for reflecting the first luminescence component 40 and the second luminescence component 50.It should be noted that reflecting layer 70,80 not necessarily will exist, by suitable design, also make chamfering there is reflecting surface; In addition, single chamfering 26/36 and corresponding individual reflection layer 70/80 also can be realized effect of the present utility model.
Fig. 7 is according to the light source module 1 of the utility model the 4th embodiment " ' front view.As shown in Figure 7, the present embodiment is similar to the first embodiment, and difference is that the length of the first light-guiding pillar 20 is greater than the length of the second light-guiding pillar 30.Therefore, under first mode, the first luminescence component 40 and the equal emission of light of the second luminescence component 50; Under the second pattern, the first luminescence component 40 emission of lights, and the second luminescence component 50 emission of light not.For example, first mode is full-scale scan pattern, and therefore the first luminescence component 40 and the second luminescence component 50 all must be luminous; The second pattern is undersized scan pattern, only have the first light-guiding pillar 20 to need luminous, and the second light-guiding pillar 30 does not need luminous.When scanner only need to scan undersized file, can only control the first luminescence component 40 luminous, can realize like this effect of saving the energy.
Fig. 8 is according to the schematic diagram of the light reflection structure 90 of light-guiding pillar 20/30 of the present utility model.As shown in Figure 8, in the first light-guiding pillar 20 and the second light-guiding pillar 30, at least one has light reflection structure 90.Light LB1, LB3 that light reflection structure 90 can send the first luminescence component 40, the second luminescence component 50 are reflected into Line of light LB2, LB4.
Fig. 9 is according to the configuration schematic diagram of the utility model the 5th embodiment scanner optical module 200.As shown in Figure 9, the present embodiment is similar to the first embodiment, and difference is that the scanner optical module 200 of the 5th embodiment does not have the speculum of the first embodiment.Therefore the first light-guiding pillar 20, the second light-guiding pillar 30, the first luminescence component 40 and the second luminescence component 50, set of lenses 230 and image sensor 240 that, scanner optical module 200 comprises housing 210, light source module 1.In the present embodiment, as shown in reference to figure 3 and Fig. 4, the first light-guiding pillar 20 and the second light-guiding pillar 30 are in series arranged in housing 210; The first luminescence component 40 is arranged in housing 210, and is arranged in housing 210 near first terminal 22 position second luminescence components 50 of the first light-guiding pillar 20, and first terminal 32 positions of close the second light-guiding pillar 30.Set of lenses 230 and image sensor 240 are arranged in housing 110, and set of lenses 230 is arranged in one-dimension array by a plurality of lens pillars (rod lens) and is formed; Image sensor 240 is a kind of contact image sensor (Contact Image Sensor, CIS), the the first Line of light LB2 being sent by the first light-guiding pillar 20 and the second Line of light LB4 being sent by the second light-guiding pillar 30 are radiated on original copy M, subsequently, the rays pass through lens group 230 of original copy M reflection arrives image sensor 240, and image sensor 240 obtains the optical signalling of the image that represents original copy M.
According to the utility model light source module and use the scanner optical module of this light source module, the light-guiding pillar that utilizes two-section to shorten coordinates the design of bilateral incident type, its distortion amount of warpage is also relatively easily controlled, effectively improve the production efficiency of ejection formation product, and improved product percent of pass, and there is the advantage of a large amount of production of automation and cost.In addition, in the utility model, unavoidablely on light-guiding pillar due to need of production ejection formation enter to water a little without following process to remove, just can direct-assembling to light source module, this can reduce and enters to water because of processing removal traditional light-guiding pillar one end in addition the cost a little causing.
The specific embodiment proposing in the detailed description of above preferred embodiment is only in order to convenient explanation technology contents of the present utility model, but not the utility model is narrowly limited to above-described embodiment, in the situation that do not exceed the interest field that spirit of the present utility model and claims are contained, the many variations of doing is implemented, and all belongs to scope of the present utility model.
Claims (11)
1. a light source module with bipartial light-guiding pillar, is characterized in that, comprising:
Rest seat;
The first light-guiding pillar and the second light-guiding pillar, described the first light-guiding pillar and the second light-guiding pillar are in series installed on described rest seat, described the first light-guiding pillar has the first exiting surface, described the second light-guiding pillar has the second exiting surface, local coated described the first light-guiding pillar of described rest seat and described the second light-guiding pillar;
The first luminescence component, is arranged at the first terminal position near described the first light-guiding pillar, and the light that wherein said the first luminescence component is launched converts through the reflection quilt of described the first light-guiding pillar the first Line of light being penetrated by described the first exiting surface to; And
The second luminescence component, is arranged at the first terminal position near described the second light-guiding pillar, and the light that wherein said the second luminescence component is launched converts through the reflection quilt of described the second light-guiding pillar the second Line of light being penetrated by described the second exiting surface to.
2. the light source module with bipartial light-guiding pillar as claimed in claim 1, is characterized in that, the described first terminal of described the first light-guiding pillar and the described first terminal of described the second light-guiding pillar are formed with respectively the incidence surface of light-permeable.
3. the light source module with bipartial light-guiding pillar as claimed in claim 1, it is characterized in that, described the first light-guiding pillar has the second terminal and described the second light-guiding pillar has the second terminal, described second terminal of described the first light-guiding pillar is relative with the described first terminal of described the first light-guiding pillar, and described second terminal of described the second light-guiding pillar is relative with the described first terminal of described the second light-guiding pillar.
4. the light source module with bipartial light-guiding pillar as claimed in claim 3, is characterized in that, further comprises:
Delustring assembly, described delustring assembly is arranged at the center section part of described rest seat, and between described the first light-guiding pillar and described the second light-guiding pillar, for eliminating a part from the second terminal of described the first light-guiding pillar and the light sending from the second terminal of described the second light-guiding pillar.
5. the light source module with bipartial light-guiding pillar as claimed in claim 3, it is characterized in that, at least one in the second terminal of described the first light-guiding pillar and the second terminal of described the second light-guiding pillar is formed with chamfering, for promoting described the first Line of light or described the second Line of light with respect to the brightness of described the second terminal.
6. the light source module with bipartial light-guiding pillar as claimed in claim 5, is characterized in that, described light source module also comprises:
Reflecting layer, is arranged in described chamfering, the light of launching for reflecting described the first luminescence component and described the second luminescence component.
7. the light source module with bipartial light-guiding pillar as claimed in claim 1, is characterized in that, at least one in described the first light-guiding pillar and described the second light-guiding pillar has light reflection structure.
8. the light source module with bipartial light-guiding pillar as claimed in claim 1, is characterized in that, described the first light-guiding pillar and described the second light-guiding pillar are equal in length.
9. the light source module with bipartial light-guiding pillar as claimed in claim 1, is characterized in that, the length of described the first light-guiding pillar is greater than the length of described the second light-guiding pillar; Wherein under first mode, described the first luminescence component and the equal emission of light of described the second luminescence component; Under the second pattern, described the first luminescence component emission of light, and described the second luminescence component emission of light not.
10. a scanner optical module, comprises:
Housing;
Light source module in 1 to the 9th of described claim the described in any one, is installed on described housing; And
Magnifier module, lens and image sensor, described magnifier module, lens and image sensor are all arranged in described housing, described light source module irradiates described the first Line of light and described the second Line of light on original copy, the light that described original copy reflects arrives described image sensor via described magnifier module reflection by described lens, and described image sensor obtains the optical signalling that represents described original image.
11. 1 kinds of scanner optical modules, comprise:
Housing;
The first light-guiding pillar and the second light-guiding pillar, described the first light-guiding pillar and the second light-guiding pillar are in series arranged in described housing, and described the first light-guiding pillar has the first exiting surface, and described the second light-guiding pillar has the second exiting surface;
The first luminescence component, described the first luminescence component is arranged at the first terminal position near described the first light-guiding pillar, and be arranged in described housing, the light that wherein said the first luminescence component is launched is converted to through the reflection quilt of described the first light-guiding pillar the first Line of light being penetrated by described the first exiting surface;
The second luminescence component, described the second luminescence component is arranged at the first terminal position near described the second light-guiding pillar, and be arranged in described housing, the light that wherein said the second luminescence component is launched converts through the reflection quilt of described the second light-guiding pillar the second Line of light being penetrated by described the second exiting surface to; And
Set of lenses and image sensor, be arranged in described housing, described the first Line of light and described the second Line of light are irradiated on original copy, the light that described original copy reflects arrives described image sensor by described set of lenses, makes described image sensor obtain the optical signalling that represents described original image.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320584617.3U CN203442616U (en) | 2013-09-22 | 2013-09-22 | Light source module with two-piece light guide columns and scanner optical component using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320584617.3U CN203442616U (en) | 2013-09-22 | 2013-09-22 | Light source module with two-piece light guide columns and scanner optical component using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203442616U true CN203442616U (en) | 2014-02-19 |
Family
ID=50093671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320584617.3U Expired - Lifetime CN203442616U (en) | 2013-09-22 | 2013-09-22 | Light source module with two-piece light guide columns and scanner optical component using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203442616U (en) |
-
2013
- 2013-09-22 CN CN201320584617.3U patent/CN203442616U/en not_active Expired - Lifetime
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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Granted publication date: 20140219 |
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| CX01 | Expiry of patent term |