CN1805493A - Light source assembly structure and assembling method for contact image scan components - Google Patents
Light source assembly structure and assembling method for contact image scan components Download PDFInfo
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- CN1805493A CN1805493A CN 200510004160 CN200510004160A CN1805493A CN 1805493 A CN1805493 A CN 1805493A CN 200510004160 CN200510004160 CN 200510004160 CN 200510004160 A CN200510004160 A CN 200510004160A CN 1805493 A CN1805493 A CN 1805493A
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Abstract
The invention relates to a light source assembly structure of touch image scanning element (CISM) and its assembly method. Said structure comprises: at least one diode light source which is formed by one lighting diode (LED), one light conductive rod, and a case. Wherein, said lighting diode is at one end of case; the light conductive rod can guide the light of said lighting diode; and said case comprises at least one first clamping structure. In addition, the invention has a case with at least one second clamping structure, which is clamped with the first clamping structure via the second clamping structure to fix the diode light source on said case.
Description
Technical field
The present invention is meant the light source package assembly and the assemble method thereof of a kind of contact image scan components (CISM), refers to be applied to the contact image scan components of scanner (Scanner) especially.
Background technology
The operation principle of scanner (Scanner) is that irradiate light that light source is produced is to contribution to be scanned, reflection through lens set, reassociate in charge coupled cell (Charge-Coupled Device, CCD) or CMOS (Complementary Metal Oxide Semiconductor) (Complementary Metal Oxide Semiconductor, CMOS) after receiving by it on, the photo-sensitive cell that utilizes this type is the signal transition of the light signal for electricity, and then produces analog or digital pixel (Pixel) data.
In the process of scanning, because CCD can detect the light that zones of different on the image reflects varying strength, therefore utilize the principle of the more light of the less light of regional reflex darker on the paper, brighter regional reflex, the light wave that CCD reflected can be converted to the analog or digital data, this telecommunication signal can be directly proportional with light intensity, at last, re-use literal compatible or image scan software and read in these data, and it is reassembled as the computer image shelves with scanner.
Because ripe photocontrol technology is dependent in excellent scanner capture performance, so the quality of image scan components is not only important, influence especially scanner running performance main element one.
The image scan components of the scanner of main flow is a kind of contact image scan components (contact image sensor module that is called as at present, CISM) technology, it is with the Componentized kenel, and light source, lens pillar, sensing substrate and shell etc. are combined.
See also Fig. 1 (a), it is the structural representation of the contact image scan components in the known techniques.Wherein, contact image scan components 10 is by diode light-source 11, lens pillar (Rod Lens) 12, housing (Housing) 13 and 14 common be combined intos of circuit board; And also has a photo-sensitive cell 141 that constitutes by CCD or CMOS on the circuit board 14.
Please refer to Fig. 1 (b), it is the end view of diode light-source 11.Diode light-source 11 be with light-emitting diode (LED) 111 as point-source of light, utilize mutually combining of itself and transparent light guide rod 112 and one shell 113 again, point-source of light is led into line source.The kenel of transparent light guide rod 112 is shown in Fig. 1 (c).
With the compound mode of diode light-source among Fig. 1 (a) 11 with housing 13, present technology all is to use double faced adhesive tape or other special glue materials--and-for example silica gel (silicon), epoxide-resin glue (epoxy) or acryl glue (acrylic) imposes ultraviolet light (UV), enough temperature again or makes the glue material solidify and diode light-source 11 is binded with housing 13 in the mode of spontaneous curing.
When in above-mentioned combination, diode light-source 11 being combined with housing 13, if the work that manually cuts and paste that the use double faced adhesive tape need be a large amount of, if the time of using other special glue materials then to need a glue, UV roasting plant and wait glue material to solidify, in addition when if the needing of heavy industry arranged, also must remove carefully in order to avoid cause diode light-source 11 impaired scrapping, also the virgin rubber material might be removed clean after more again gluing could use.Therefore the cost of this kind combination and man-hour demand all very high, for the electronic industry of present meagre profit, can't enhance competitiveness effectively.
Summary of the invention
The light source package assembly and the assemble method thereof that the purpose of this invention is to provide a kind of contact image scan components that reduces cost and save man-hour (CISM).
Of the present invention mainly be contemplated that utilization trip is put into draw-in groove after, trip can with mutual hook of draw-in groove and the technology that combines, the linear light sorurce and the housing of image scan components (CISM) are assembled into one, and then engage fixing with circuit board in the scolding tin mode pin (pin) of the light-emitting diode of linear light sorurce.
According to main conception of the present invention, a kind of light source package assembly of contact image scan components is proposed, comprise: at least one diode light-source, it is made up of a light-emitting diode (LED), a lamp guide and a shell, this light-emitting diode is an end that is arranged at this shell, this lamp guide is the guiding light that this light-emitting diode sent, and this shell has at least one first clamping structure; And a housing, having at least one second clamping structure, this housing is to fasten with this first clamping structure respectively by this second clamping structure, and this diode light-source is fixed in this housing.
According to another conception of the present invention, a kind of assemble method of light source package assembly of contact image scan components is proposed, comprise the following steps: to provide an at least one diode light-source and a housing, this diode light-source is made up of a light-emitting diode, a lamp guide and a shell, this light-emitting diode is an end that is arranged at this shell, this lamp guide is the guiding light that this light-emitting diode sent, this shell has at least one first clamping structure, and this housing has at least one second clamping structure; And this second clamping structure fastened with this first clamping structure respectively, make this diode light-source be fixed in this housing.
Below with reference to accompanying drawing preferred embodiment of the present invention is elaborated, with clearer understanding purpose of the present invention, characteristics and advantage:
Description of drawings
Fig. 1 (a) is the structural representation of the contact image scan components in the known techniques;
Fig. 1 (b) is the end view of the diode light-source of Fig. 1 (a);
Fig. 1 (c) is the schematic diagram of the transparent light guide rod of Fig. 1 (a);
Fig. 2 (a)-(d) is the schematic diagram of the element of first kind of light source package assembly that constitutes contact image scan components of the present invention;
Fig. 3 (a)-(b) be Fig. 2 clamping structure in conjunction with schematic diagram:
Fig. 3 (c) is the diode light-source of Fig. 2 and the schematic diagram that combines of housing;
Fig. 4 (a)-(c) is the light-emitting diode of Fig. 2 and the schematic diagram that combines of LED containing hole;
Fig. 5 (a)-(d) is the schematic diagram of the element of second kind of light source package assembly that constitutes contact image scan components of the present invention;
Fig. 6 (a) be Fig. 5 clamping structure in conjunction with schematic diagram:
Fig. 6 (b) is the diode light-source of Fig. 5 and the schematic diagram that combines of housing; And
Fig. 7 (a)-(c) be the third clamping structure in conjunction with schematic diagram.
Embodiment
See also Fig. 2 (a)-(d), it is the schematic diagram of the element of first kind of light source package assembly that constitutes contact image scan components of the present invention.
Fig. 2 (a) is the end view of the diode light-source of formation light source package assembly, in Fig. 2 (a), diode light-source 20 is formed (lamp guide is the below that is positioned at shell 202) by light-emitting diode (LED) 201, lamp guide and shell 202, light-emitting diode 201 is ends that are positioned at shell 202, lamp guide is a light that is sent in order to guiding light-emitting diode 201, and shell 202 then has at least one first clamping structure 203; Fig. 2 (b) is the enlarged drawing of first clamping structure 203, and first clamping structure 203 herein is to make in the mode of trip.
Fig. 2 (c) is the end view of the housing of formation light source package assembly, in Fig. 2 (c), housing 21 has a LED containing hole 211 and a lens storage tank 212, LED containing hole 211 is in order to ccontaining light-emitting diode 201 when diode light-source 20 and housing 21 make up, 212 of lens storage tanks are in order to a ccontaining lens pillar (not shown), and lens pillar is in order to reflect the light by lamp guide transmitted.In addition, housing 21 also has a plurality of second clamping structures 213 that quantity equates with first clamping structure 203; Fig. 2 (d) is the enlarged drawing of second clamping structure 213, and second clamping structure 213 herein is to make in the mode of draw-in groove.
Technical characterstic of the present invention is, utilizes first clamping structure 203 to fasten with second clamping structure 213 respectively, and makes diode light-source 20 be fixed on the housing 21; Certainly, the shaped design difference of two kinds of clamping structures, then the mode of Ka Guing also can be different.Shape with this first clamping structure 203 of Fig. 2 (b), just can be shown in Fig. 3 (a) like that, earlier first clamping structure 203 is inserted second clamping structure 213, then such shown in Fig. 3 (b) for another example, the support sector 2031 of first clamping structure 203 is slipped into the notch part 2131 of second clamping structure 213 to the right, make the top 2032 of the clamping structure 203 of winning prop up the protuberance 2132 of second clamping structure 213; Diode light-source 20 is fixed in the situation of housing 21 shown in Fig. 3 (c).
Actual on making, if first clamping structure 203 is made in the mode of draw-in groove, then second clamping structure 213 must be made in the mode of trip, the making of clamping structure then can utilize make shell 202 and housing 21 the time complete in the lump in the mode of one ejection formation.
In above-mentioned production method, because being mode and second clamping structures 213 with a bit of distance of sliding, first clamping structure 203 fastens, therefore person skilled in the art person can think that diode light-source 20 has the shortcoming that light leak or dust enter and takes place, at this problem, can in LED containing hole 211, design a recess and solve; Shown in Fig. 4 (a), design one recess 2111 in LED containing hole 211, so light-emitting diode 201 is after inserting LED containing hole 211 and sliding to the right as Fig. 4 (b), recess 2111 just can be sealed the slit of 211 of light-emitting diode 201 and LED containing holes, reaches the purpose that prevents that light leak and dust from entering.
See also Fig. 5 (a)-(d), it is the schematic diagram of the element of second kind of light source package assembly that constitutes contact image scan components of the present invention.
Fig. 5 (a) is the end view of the diode light-source of formation light source package assembly, in Fig. 5 (a), diode light-source 50 is made up of light-emitting diode 501, lamp guide and shell 502, light-emitting diode 501 is ends that are positioned at shell 502, and 502 on shell has at least one first clamping structure 503; Fig. 5 (b) is the another kind of enlarged drawing of making first clamping structure 503 of kenel.
Fig. 5 (c) is the end view of the housing of formation light source package assembly, in Fig. 5 (c), housing 51 has a LED containing hole 511 and a lens storage tank 512, and LED containing hole 511 is in order to ccontaining light-emitting diode 501 when diode light-source 50 and housing 51 make up.In addition, housing 51 also has a plurality of second clamping structures 513 that quantity equates with first clamping structure 503; Fig. 5 (d) is the another kind of enlarged drawing of making second clamping structure 513 of kenel.
With the shape of this first clamping structure 503 of Fig. 5 (b), just can directly first clamping structure 503 be inserted in second clamping structure 513 with engaging shown in Fig. 6 (a) like that; Diode light-source 50 is fixed in the situation of housing 51 shown in Fig. 6 (b).
What one of value was carried is, except above-mentioned two kinds of production methods that push and insert, clamping structure can also use person skilled in the art person the method miscellaneous that can expect easily make, be another example as first clamping structure 703 and second clamping structure 713 of Fig. 7 (a)-(c).
In addition, the quantity of light source package assembly is indefinite also, as long as the functional operation of the contact image scan components after the combination normally.
No matter be above-mentioned any production method, except the one-side engaging power of clamping structure, in the time of also can utilizing at least one pin (pin) that light-emitting diode has to be connected in a pin hole of circuit board with welding manner passing housing, the pull-out capacity subsidiary book that is produced is invented original engaging power, with reinforced effects; Wherein, the shape in this pin hole is not limited to circle, ellipse or rectangle.
In sum, the present invention is that the design with trip and draw-in groove directly places on the housing of linear light sorurce shell and image scanner, and uses ejection formation and finish when die sinking, and its structure is formed in one; This kind design is the special trip by the linear light sorurce shell, the draw-in groove that the collocation image is swept the housing of assembly makes up, utilize circuit board to combine again with the solder sections of the pin of the light-emitting diode of linear light sorurce, to strengthen the stability after linear light sorurce and housing are assembled, so neither need glue material such as the double faced adhesive tape pasted, silica gel, epoxide-resin glue or acryl glue etc., also need not utilize other glue or ultraviolet roasting plant, also easy to rework when the need heavy industry, so can save the glue material greatly, equipment and cost of labor, its range of application is except scanner, also be applicable to the multifunctional paper feeding machine that is popular for the market now (multifunctionprinter, MFP) or the image sensing equipment of other kinds.
Claims (10)
1. the light source package assembly of a contact image scan components comprises:
At least one diode light-source, it is made up of a light-emitting diode, a lamp guide and a shell, this light-emitting diode is an end that is arranged at this shell, and this lamp guide is the guiding light that this light-emitting diode sent, and this shell has at least one first clamping structure; And
One housing has at least one second clamping structure, and this housing is to fasten with this first clamping structure respectively by this second clamping structure, and this diode light-source is fixed in this housing.
2. light source package assembly as claimed in claim 1 is characterized in that this contact image scan components is the image sensing equipment that is applied to one scan device, a multifunctional paper feeding machine or other kinds.
3. light source package assembly as claimed in claim 1 is characterized in that:
This light is the photo-sensitive cell on the circuit board that arrives via a lens pillar after being penetrated by this lamp guide;
This photo-sensitive cell be charge coupled cell, CMOS (Complementary Metal Oxide Semiconductor) or other tool light transfer characteristics element one of them;
This light source package assembly is to constitute this contact image scan components with this lens pillar and this circuit board; And/or
This light-emitting diode also has at least one pin, and this pin is to pass this housing and the pin hole that is electrically connected on this circuit board, and the shape in this pin hole is not limited to circle, ellipse or rectangle.
4. light source package assembly as claimed in claim 1 is characterized in that this first clamping structure is one-body molded with this shell.
5. light source package assembly as claimed in claim 1 is characterized in that this second clamping structure is one-body molded with this housing.
6. light source package assembly as claimed in claim 1, when it is characterized in that this first clamping structure is a trip, this corresponding second clamping structure is a draw-in groove.
7. light source package assembly as claimed in claim 1, when it is characterized in that this first clamping structure is a draw-in groove, this corresponding second clamping structure is a trip.
8. the assemble method of the light source package assembly of a contact image scan components comprises the following steps:
(a) provide an at least one diode light-source and a housing, this diode light-source is made up of a light-emitting diode, a lamp guide and a shell, this light-emitting diode is an end that is arranged at this shell, this lamp guide is the guiding light that this light-emitting diode sent, this shell has at least one first clamping structure, and this housing has at least one second clamping structure; And
(b) this second clamping structure is fastened with this first clamping structure respectively, make this diode light-source be fixed in this housing.
9. assemble method as claimed in claim 8 is characterized in that also comprising a step (c): this light source package assembly, this lens pillar and this circuit board group are dressed up this contact image scan components.
10. assemble method as claimed in claim 8, it is characterized in that also comprising a step (b1): at least one pin that utilizes this light-emitting diode to have passes this housing and inserts a pin hole of this circuit board and weld, and the shape in this pin hole is not limited to circle, ellipse or rectangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100041604A CN100417172C (en) | 2005-01-12 | 2005-01-12 | Light source assembly structure and assembling method for contact image scan components |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100041604A CN100417172C (en) | 2005-01-12 | 2005-01-12 | Light source assembly structure and assembling method for contact image scan components |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1805493A true CN1805493A (en) | 2006-07-19 |
| CN100417172C CN100417172C (en) | 2008-09-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100041604A Expired - Fee Related CN100417172C (en) | 2005-01-12 | 2005-01-12 | Light source assembly structure and assembling method for contact image scan components |
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| Country | Link |
|---|---|
| CN (1) | CN100417172C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101272439B (en) * | 2007-03-20 | 2010-05-26 | 菱光科技股份有限公司 | Image reading apparatus |
| US7835039B2 (en) | 2007-02-14 | 2010-11-16 | Creative Sensor Inc. | Image reading apparatus |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000111822A (en) * | 1998-09-30 | 2000-04-21 | Fuji Photo Film Co Ltd | Scanning optical system |
| CN2481953Y (en) * | 2001-05-11 | 2002-03-13 | 李汉明 | Easy-to-renew combined energy-saving environmentally friendly lamp bulb |
| CN2662268Y (en) * | 2003-10-21 | 2004-12-08 | 裕隆（衡阳）科学仪器有限公司 | Ring shaped LED illumination lamp |
-
2005
- 2005-01-12 CN CNB2005100041604A patent/CN100417172C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7835039B2 (en) | 2007-02-14 | 2010-11-16 | Creative Sensor Inc. | Image reading apparatus |
| CN101272439B (en) * | 2007-03-20 | 2010-05-26 | 菱光科技股份有限公司 | Image reading apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100417172C (en) | 2008-09-03 |
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