CN100588221C - Optical scanner - Google Patents

Optical scanner Download PDF

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Publication number
CN100588221C
CN100588221C CN200610074311A CN200610074311A CN100588221C CN 100588221 C CN100588221 C CN 100588221C CN 200610074311 A CN200610074311 A CN 200610074311A CN 200610074311 A CN200610074311 A CN 200610074311A CN 100588221 C CN100588221 C CN 100588221C
Authority
CN
China
Prior art keywords
fin
optical scanner
scanner
scan module
housing
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
Application number
CN200610074311A
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Chinese (zh)
Other versions
CN101052086A (en
Inventor
陈锡裕
陈冠扬
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Primax Electronics Ltd
Original Assignee
Primax Electronics Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Primax Electronics Ltd filed Critical Primax Electronics Ltd
Priority to CN200610074311A priority Critical patent/CN100588221C/en
Publication of CN101052086A publication Critical patent/CN101052086A/en
Application granted granted Critical
Publication of CN100588221C publication Critical patent/CN100588221C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The optic scanner comprises; a case; a platform made of glass and sitting on the case, which is used for placing documents to be scanned; a optic scan module mounted in the case and used for scanningsaid documents; and a cooling component sitting in the case and touching one edge of the glass platform, which is used for absorbing the heat generated from the scan process, and radiating the heat tothe outside of the scanner.

Description

Optical scanner
Technical field
The present invention relates to a kind of optical scanner, particularly a kind of optical scanner with heat dissipation element.
Background technology
Falt bed scanner has become most of now users and has been used for some file data scan conversion are become a kind of electronic product of image file data, and scanner can make the user quite easily file data be imported the computer coordinates deposit or further carry out image processing in computer.See also Fig. 1 (a), it is the schematic appearance of a falt bed scanner 1, we can clearly be seen that from figure, this falt bed scanner 1 includes a glass platform 11, this glass platform 11 is used for placing a file 12 to be scanned, this falt bed scanner 1 also includes an optic scan module 13, can carry out image scanning to the file to be scanned 12 that is positioned on this glass platform 11 by moving this optic scan module 13.
See also Fig. 1 (b) again, it is the schematic diagram of the inner member of this optic scan module 13.As shown in the figure, this optic scan module 13 comprises housing 130, light source 131, lens set 132, optical lens 133 and optics sensing element 134, and wherein this housing 130 is provided with an optical transmission window 135.The basic functional principle of this optic scan module 13 is: form a reflection ray after the irradiate light that this file 12 to be scanned is sent via this light source 131, the optical transmission window 135 that is arranged on this housing 130 can receive this reflection ray and via this lens set 132 this reflection ray be conducted to this optical lens 133, this optical lens 133 just can be focused to this reflection ray on this optics sensing element 134 then, and the light that will this file 12 to be scanned be reflected by this optics sensing element 134 converts corresponding picture signal to.
Usually when 13 pairs of these files 12 to be scanned of this optic scan module carry out scanning motion, this optic scan module 13 can produce heat energy, when scanning for the bigger type of volume and under general resolution, the heat that this optic scan module 13 is produced also is unlikely to each element to these optic scan module 13 inside, for example be the Photosensing Units that image quality is played a crucial role, cause harmful effect.
Along with making rapid progress of image technique, relatively, the resolution requirement of scanner is also constantly improved, and the volume external form of scanner also to comply with the trend of electronic product now more and more frivolous.Frivolous for the raising of complying with resolution of scanner and volume external form, the heat that optic scan module is produced when file is scanned just must properly be got rid of, otherwise will each element of optic scan module inside be damaged, thereby have influence on the picture quality of scanner.
In view of this, a kind of cooling mechanism of lamp source group of optical scanner has been proposed in No. 461657 patent announcement of TaiWan, China, include fluorescent tube 20, lamp socket 21 and rubber bodies 22 in lamp source group 2 as shown in Figure 2, this fluorescent tube 20 is fixedly arranged on this lamp socket 21 by this rubber bodies 22.The maximum feature of this patent case is exactly to be formed with multi-disc fin 23 on the surface of this lamp socket 21, and described fin 23 is shaped on this lamp socket 21, in order to getting rid of the heat energy that this fluorescent tube 20 is produced, thereby reaches the effect of heat radiation.In addition, in this patent case, the surface of this lamp socket 21 also is mounted with a fan (not shown) except forming this fin 23, in order to quicken the effect of heat radiation.Yet from then on we can clearly find in the patent case, and the design of this fin 23 and this fan can take the inner space of optic scan module, is unfavorable for the scanner purpose of thinness like this.Therefore, how to improve the shortcoming of well known device for developing topmost purpose of the present invention.
Summary of the invention
Main purpose of the present invention is to provide a kind of optical scanner, and this optical scanner is extremely outside with the thermal transpiration of scanner inside by the glass platform of scanner, thereby can take into account scanner heat radiation and purpose of thinness.
The invention provides a kind of optical scanner, it is used to scan a file, and this optical scanner comprises:
One housing;
One glass platform, it is arranged on this housing, in order to place this document;
One optic scan module, it is arranged in this housing, in order to scanning this document; And
One heat dissipation element, it is arranged in this housing and is glued at a side of this glass platform, and this heat dissipation element absorbs heat that this optic scan module produces and the outside that heat is dissipated into this housing via this glass platform.
According to optical scanner of the present invention, wherein this optic scan module includes a fluorescent tube, and this fluorescent tube is in order to produce the light that scanning this document is used.
According to optical scanner of the present invention, wherein this heat dissipation element comprises first fin, second fin and the 3rd fin.
According to optical scanner of the present invention; wherein the first side of this glass platform is positioned at and the corresponding position of the stop position of this optical scanner; and this first fin is arranged on this first side, and this second fin and the 3rd fin are arranged at two sides in addition of this glass platform respectively.
According to optical scanner of the present invention, wherein this heat dissipation element is made by metal material.
According to optical scanner of the present invention, wherein this heat dissipation element is attached at the first side of this glass platform in the mode of gummed.
According to optical scanner of the present invention, wherein this optical scanner is a falt bed scanner.
Description of drawings
By following accompanying drawing and explanation, can more in depth understand the present invention:
Fig. 1 (a) is the schematic appearance of a falt bed scanner.
Fig. 1 (b) is the schematic diagram of the inner member of optic scan module.
Fig. 2 is the structural representation of cooling mechanism of the lamp source group of an optical scanner.
Fig. 3 (a) is the schematic top plan view according to optical scanner of the present invention.
Fig. 3 (b) is the generalized section according to optical scanner of the present invention.
Fig. 4 is for being arranged at the position view in the housing according to the fin that falt bed scanner of the present invention comprised.
Wherein, description of reference numerals is as follows:
Falt bed scanner 1 glass platform 11
File 12 optic scan modules 13 to be scanned
Housing 130 light sources 131
Lens set 132 optical lens 133
Optics sensing element 134 optical transmission windows 135
Lamp source group 2 fluorescent tubes 20
Lamp socket 21 rubber bodies 22
Fin 23 falt bed scanners 3
Housing 30 glass platform 31
Optic scan module 32 fluorescent tubes 321
Heat dissipation element 33 files 4
Scanning pattern 300 first fin 331
Second fin 332 the 3rd fin 333
Embodiment
See also Fig. 3 (a) and Fig. 3 (b), it improves the structural representation that the shortcoming of well known device develops the optical scanner that for the present invention.Optical scanner of the present invention is in order to scan a file 4.In addition, in the present embodiment, this optical scanner is an example with a falt bed scanner 3.Shown in Fig. 3 (a), this falt bed scanner 3 comprises a housing 30 and a glass platform 31, and this glass platform 31 is in order to place this document 4, so that this falt bed scanner 3 can carry out image scanning to this document 4.Can clearly be seen that among resulting Fig. 3 (b) behind the XY line segment section from Fig. 3 (a) that this falt bed scanner 3 also comprises an optic scan module 32 and a heat dissipation element 33.This optic scan module 32 is arranged in this housing 30, and the inside of this optic scan module 32 includes a fluorescent tube 321, and this fluorescent tube 321 offers file 4 in order to will scan required light.Usually the rising major part of the internal temperature of this scanner 3 is because the heat that this fluorescent tube 321 is produced when emitting beam causes, therefore, topmost being characterised in that of the present invention, be provided with in the housing 30 of this falt bed scanner 3 with the made heat dissipation element 33 of metal material, shown in Fig. 3 (b).This heat dissipation element 33 is arranged between this optic scan module 32 and this glass platform 31, and this heat dissipation element 33 contacts with the side of this glass platform 31 in a mode of gluing together.Because the glass material of this glass platform 31 also has heat conducting function, so this fin 33 can absorb the heat that fluorescent tube 321 produced and conduct heat to this glass platform 31, so that the heat energy that scan module 32 produces is exported to the outside of housing 30 via the glass platform 31 that contacts with the external world.Below describe heat dissipation element of the present invention again in detail and be arranged at situation in the housing 30.
See also Fig. 4, its heat dissipation element 33 that is comprised for falt bed scanner 3 of the present invention is arranged at the position view in this housing 30.This figure obtains from the bottom perspective of this falt bed scanner 3.In the present embodiment, heat dissipation element 33 comprises three fin, and it is respectively first fin 331, second fin 332 and the 3rd fin 333, and they are attached to three sides of this glass platform 31 respectively.Wherein this first fin 331 is arranged at the place, top of the stop position (home position) of this optic scan module 32 in this housing 30; this second fin 332 and the 3rd fin 333 then are arranged at the top of the scanning pattern 300 (path that as figure in arrow indicated) of this optic scan module 32 when this document 4 is carried out image scanning; under the situation of this design; when this optic scan module 32 when 300 pairs of this document of this scanning pattern 4 carry out image scanning; by be arranged on these scanning pattern 300 tops this second; three fin 332; 333 just can absorb the heat that this optic scan module 32 produces, and heat is exported to outside this housing 30.Usually this optic scan module 32 can be got back to this stop position (home position) of these housing 30 inside to wait for the carrying out of next scanning motion behind the end of scan; this first fin 331 that is arranged on stop position this moment can absorb the heat that optic scan module 32 is produced, and exhales by this glass platform 31 again.
Certainly, the number of the fin that above-described heat dissipation element comprised only is preferred embodiment, is not in order to limit scope of the present invention.For example, only use a slice fin that is arranged at stop position also can reach the effect of heat radiation.
As mentioned above; in well known device in the past; the stop position that this optic scan module 32 is positioned at normally is positioned at lighttight housing 30; and falt bed scanner 3 of the present invention is for to setting that should heat dissipation element 33; especially this glass platform 31 is strengthened lengthening; so that this glass platform 31 can extend to the top of the stop position of this optic scan module 32; and heat dissipation element 33 just is attached to the part of the increasing lengthening of this glass platform 31, so just can move and gets back to the heat that is produced behind this stop position and got rid of finishing image scanning at this optic scan module 32.
In sum, we can clearly be seen that, the topmost feature of falt bed scanner of the present invention is exactly: be provided with the heat dissipation element that is attached at this glass platform side in the inside of this housing, so that absorb the heat that scan module produced and heat is exported to the outside of this housing by glass platform.Well known device in the prior art is provided with the design of fin and fan around fluorescent tube, the setting of heat dissipation element of the present invention also can be not therefore and the inner space of busy scan instrument except can reaching the effect of heat radiation really.
The present invention can carry out various modifications by those skilled in the art, but the claimed scope of neither disengaging such as appended claims.

Claims (6)

1. an optical scanner is used for scanning document, and this optical scanner comprises:
One housing;
One glass platform, it is arranged on this housing, in order to place this document;
One optic scan module, it is arranged in this housing, in order to scanning this document; And
One heat dissipation element, it is arranged in this housing and is glued at a first side of this glass platform, and this heat dissipation element absorbs the heat of this optic scan module generation and heat is dissipated into the outside of this housing via this glass platform.
2. optical scanner as claimed in claim 1 is characterized in that this optic scan module includes a fluorescent tube, and this fluorescent tube is in order to produce the light that scanning this document is used.
3. optical scanner as claimed in claim 1 is characterized in that, this heat dissipation element comprises first fin, second fin and the 3rd fin.
4. optical scanner as claimed in claim 3; it is characterized in that; the first side of this glass platform is positioned at and the corresponding position of the stop position of this optical scanner; and this first fin is arranged on this first side, and this second fin and the 3rd fin are arranged at two sides in addition of this glass platform respectively.
5. optical scanner as claimed in claim 1 is characterized in that this heat dissipation element is made by metal material.
6. optical scanner as claimed in claim 1 is characterized in that, this optical scanner is a falt bed scanner.
CN200610074311A 2006-04-05 2006-04-05 Optical scanner Expired - Fee Related CN100588221C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN200610074311A CN100588221C (en) 2006-04-05 2006-04-05 Optical scanner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN200610074311A CN100588221C (en) 2006-04-05 2006-04-05 Optical scanner

Publications (2)

Publication Number Publication Date
CN101052086A CN101052086A (en) 2007-10-10
CN100588221C true CN100588221C (en) 2010-02-03

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN200610074311A Expired - Fee Related CN100588221C (en) 2006-04-05 2006-04-05 Optical scanner

Country Status (1)

Country Link
CN (1) CN100588221C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106254717A (en) * 2016-08-29 2016-12-21 河源市新天彩科技有限公司 A kind of optical scanner

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4411516A (en) * 1981-04-24 1983-10-25 Canon Kabushiki Kaisha Original illumination apparatus

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4411516A (en) * 1981-04-24 1983-10-25 Canon Kabushiki Kaisha Original illumination apparatus

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CN101052086A (en) 2007-10-10

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CF01 Termination of patent right due to non-payment of annual fee