CN102401998A - Power source device, light scanning device and imaging device - Google Patents

Power source device, light scanning device and imaging device Download PDF

Info

Publication number
CN102401998A
CN102401998A CN2011102670907A CN201110267090A CN102401998A CN 102401998 A CN102401998 A CN 102401998A CN 2011102670907 A CN2011102670907 A CN 2011102670907A CN 201110267090 A CN201110267090 A CN 201110267090A CN 102401998 A CN102401998 A CN 102401998A
Authority
CN
China
Prior art keywords
light source
light
holding member
source holding
supply apparatus
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.)
Granted
Application number
CN2011102670907A
Other languages
Chinese (zh)
Other versions
CN102401998B (en
Inventor
土屋聪
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.)
Ricoh Co Ltd
Original Assignee
Ricoh Co 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 Ricoh Co Ltd filed Critical Ricoh Co Ltd
Publication of CN102401998A publication Critical patent/CN102401998A/en
Application granted granted Critical
Publication of CN102401998B publication Critical patent/CN102401998B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Mechanical Optical Scanning Systems (AREA)
  • Facsimile Heads (AREA)
  • Laser Beam Printer (AREA)

Abstract

The invention provides a power source device which has the characteristics of simple structure, assembling convenience, excellent assembling precision and excellent radiation performance. The invention further provides a light scanning device adopting the light source device and an imaging device. Specifically, the light source device comprises a light source retaining part (20) for retaining the light source part and a frame for installing the light source retaining part. The light source part comprises a metal basal body (101), a light emitting source (102) equipped on the metal basal body, and a resin part (103) integrally formed with the metal basal body. The resin part makes the metal basal body divided into a light carrying area (101a) for carrying the light emitting part and a support part (101b) for supporting the metal basal body by means of the light source retaining part. The light source retaining part comprises a cylindrical pressing part and a cut groove which is formed along the axis direction of the cylindrical pressing part. The frame is provided with an embedding hole. The cylindrical pressing part of the light source retaining part is embedded into the embedding hole and capable of rotating inside the embedding hole around the axis.

Description

Light supply apparatus, light scanning apparatus and imaging device
Technical field
The present invention relates to the light supply apparatus and light scanning apparatus that adopts this light supply apparatus and the imaging device that use in the imaging devices such as digital duplicating machine, laser printer, laser facsimile.
Background technology
The light scanning apparatus that is widely used in digital duplicating, the laser printer etc. generally constitutes; Light deflector with formations such as polygon mirrors comes deflection source apparatus emitted light beams; Then with scanning opticss such as f Theta lens towards converged this deflected beam by scanning plane; On by scanning plane, form luminous point, and with this luminous point photoscanning by scanning plane.This photoscanning is called as main sweep, the scanning vertical with main scanning direction be called as subscan.By scanning plane is the light-sensitive surface of photoconductivity photosensitive surface.During above-mentioned main sweep,, and, carry out main sweep repeatedly simultaneously, image is write above-mentioned light-sensitive surface being to move photoreceptor on the sub scanning direction perpendicular to main scanning direction according to image information illumination beam or illumination beam not.
Imaging processing in the general imaging device is following, promptly in advance to the photoreceptor charging, makes its surperficial uniform charged.With this powered surfaces of beam flying, make the photosensitive surface exposure, form electrostatic latent image at photosensitive surface.Photosensitive surface to being made public provides toner, to latent electrostatic image developing, makes it become toner image.Then toner image is transferred to and receives heat fixer on the transfer paper, then is discharged from imaging device.After being cleaned, the remaining toner that remains in photosensitive surface is used for forming images next time.Like this, handle the back at a series of idea photos of having carried out charging, exposure, development, transfer printing, photographic fixing, cleaning and form images.
The most corresponding full color of existing imaging device, serial connection mode imaging device are examples wherein.The imaging device of this type is arranged for example four photoreceptors along the recording chart throughput direction, and a plurality of light supply apparatus emission light beams corresponding to each photoreceptor make public to each photoreceptor, and overlap the image that forms on each photoreceptor.More specifically, above-mentionedly for example come the above-mentioned multiple light beams of deflection scanning, behind the scanned imagery optical system of each beam steering light beam via a plurality of respectively corresponding each photoreceptor, scan each photosensitive surface simultaneously, form electrostatic latent image with an inflector assembly.According to the image information of yellow, redness, cyan, each colour content of black, photoscanning forms the sub-image on each photoreceptor through the light beam of ovennodulation, and then, these sub-images are realized visual by the toner development of correspondence look Cheng Feng separately.The toner image of each photosensitive surface is same recording chart transfer printing successively, forms the full color toner image, and then this toner image is afterwards discharged to recording chart.
In above-mentioned serial connection mode imaging device, generally use independent light deflector, to a plurality of photosensitive surface photoscanning, with simplified structure as public light deflector.For example; Patent documentation 1 (TOHKEMY is put down the 9-54263 communique) discloses a kind of light scanning apparatus; It constitutes in the light deflector both sides light source portion and scanned imagery optical system is set; The light source portion of both sides is launched the light beam of multi beam incident deflector respectively, and this multiple light beams is overlapping and almost parallel on sub scanning direction, and on the sub scanning direction between each light beams at a distance of certain distance.Light beam sees through the scanning imagery optical element of establishing along sub scanning direction row separately respectively after deflection, scan each self-corresponding photosensitive surface promptly by scanning plane, and photoreceptor also is to be arranged side by side along sub scanning direction.
In addition, patent documentation 2 (TOHKEMY 2001-4948 communique) discloses with four light beams and has incided on the side of a light deflector, then is directed into by the light scanning apparatus of scanning plane through the scanned imagery optical system that constitutes with three eyeglasses.Scanned imagery optical system in this light scanning apparatus comprises first to the 3rd optical element; First, second optical element L1 wherein, L2 are set to can be so that above-mentioned multiple light beams passes through; Be the directive difference by the common optical element of the multiple light beams of scanning plane, the 3rd optical element L3 is set to corresponding with each light beams.
It is corresponding different from the common structure of using a light deflector of the light beam of scanning plane to disclose multi beam like patent documentation 1,2, has reduced the quantity of light deflector, and the structure that helps light scanning apparatus and imaging device becomes compact.Therefore; For example, at the corresponding imaging device of full color, what have promptly that cyan, redness, yellow, four kinds of colors of black use is in the imaging device of photoreceptor by scanning plane; If adopt patent documentation 1,2 described structures as light scanning apparatus, will help reducing the quantity of light deflector.
But still there is the improved part of needs in patent documentation 1,2 disclosed light scanning apparatuss.The multiple light beams of a plurality of light emitted of promptly arranging along sub scanning direction needs each deflecting reflecting face of light deflector to carry out deflection respectively; The for example polygon mirror that for this reason constitutes light deflector is bigger in the size of sub scanning direction; And; Polygon mirror expensive element in the optical element normally in the light scanning apparatus, for this reason, these problems are unfavorable for reducing the cost and the miniaturization of light scanning apparatus and imaging device very much.
In addition, the light source structure more complicated partly in the existing light scanning apparatus also is the key that reduces light scanning apparatus and imaging device cost and miniaturization.Patent documentation 3 (TOHKEMY 2009-38051 communique) discloses the light supply apparatus structure in existing light scanning apparatus of an example and the imaging device.
Patent documentation 3 disclosed light supply apparatuses comprise light source, light source holding member, keep the base station of this light source holding member, keep body.The light source holding member is fixed on the base station with screw.Base station is provided with screw, is screwed into this screw with screw and will keeps body to be fixed on the base station.This light supply apparatus complex structure is unfavorable for cramped construction, and the deviation that exists between the screw fixation power, makes the light source installation site that deviation take place.In addition, how element also is one of higher reason of cost.In addition, light supply apparatus complex structure or element are more also can reduce radiating effect.
Summary of the invention
To the problems referred to above, the present invention provides a kind of light supply apparatus, and its purpose is simplified structure, tries hard to be convenient to assembling, improves assembly precision, improves heat dispersion.
The present invention is a purpose with the imaging device that the image that can obtain good and stable image quality is provided also.
In order to achieve the above object, the present invention provides following technical scheme.
(1) one aspect of the present invention is to provide a kind of light supply apparatus that is used for light scanning apparatus, and this light supply apparatus is topmost to be characterised in that, comprising with lower component, light source portion is used to launch light beam; The light source holding member, it keeps light source portion; And framework is installed the light source holding member on this framework, and said light source portion comprises with lower component, metallic matrix; Light emitting source, it carries on this metallic matrix, and emission is parallel to the light beam on the lift-launch plane of this metallic matrix; And, resin portion, integrally formed with said metallic matrix; This resin portion will this said metallic matrix be divided into that the zone is carried in carry illuminating part luminous and supports the support area of said metallic matrix with said light source holding member; Said light source holding member has cylindrical shape and is pressed into portion and cuts groove, and this cuts groove and forms along the axis direction that this cylindrical shape is pressed into portion, wherein embeds the said support area of said metallic matrix; Said framework is provided with embedded hole; The cylindrical shape portion of being pressed into of said light source holding member embeds this embedded hole, and can in this embedded hole, rotate around its axis, when this cylindrical shape portion of being pressed into is pressed in the embedded hole of this framework; The said groove that cuts becomes narrow, clamps and keep the said support area of said light source portion.
(2) according to above-mentioned (1) described light supply apparatus; Wherein, Said framework keeps optical element; This optical element is used to make the illuminating part emitted light beams almost parallel that becomes, and embeds the cylindric portion that is pressed into of said light source holding member in the embedded hole on this framework, and this cylindric portion that is pressed into can rotate by the optical axis around said optical element in this embedded hole.
(3) according to above-mentioned (1) or (2) described light supply apparatus; Wherein, Said light source holding member comprises insertion space and the location pushing portion that inserts light source portion; When the cylindrical shape portion of being pressed into of said light source holding member embeds said framework when making cutting groove and becoming narrow of said light source holding member, this location pushing portion contacts the resin portion of said light source portion, and said light source portion is located with respect to said light source holding member.
(4) the said light emitting source in any described light supply apparatus is a frame bag type light source in above-mentioned (1) to (3).
(5) the said light source holding member in any described light supply apparatus forms with metal in above-mentioned (1) to (4).
(6) in above-mentioned (1) to (5) in any described light supply apparatus, form the support area of a pair of light source portion in the both sides that said illuminating part carries the zone, this a pair of support area receives a pair of clamping of cutting groove of the both sides that are positioned at the light source holding member.
(7) another aspect of the present invention is to provide a kind of light scanning apparatus, is used for deflection source apparatus emitted light beams, and this light beam is scanned on by scanning plane, it is characterized in that, this light supply apparatus is any described light supply apparatus in above-mentioned (1) to (6).
(8) another aspect of the present invention is for providing a kind of imaging device device, and it is carried out electronic photo and handles to form image, it is characterized in that, the light scanning apparatus of carrying out the exposure-processed in the electrofax processing uses above-mentioned (7) described light scanning apparatus.
(9) another aspect of the present invention is for providing a kind of imaging device; Handle to form the image-generating unit of image comprising a plurality of implementation electrofaxs; It is characterized in that the light scanning apparatus of carrying out exposure-processed in each image-generating unit uses above-mentioned (7) described light scanning apparatus.
Effect of the present invention is following.Light supply apparatus of the present invention comes the clamping light source portion with the groove that cuts of the holding member of light source portion, has simplified the maintenance structure of light source portion, and not only cost is low; The assembling superior performance; And the light source hold mode is stable, and has guaranteed good performance of heat dissipation, can stablize the emission light beam.
Light scanning apparatus of the present invention and imaging device adopt light supply apparatus of the present invention, and the quality of its light beam is not vulnerable to influences such as alignment error, mismachining tolerance, help compact conformation, reduce cost and energy-conservation.
And then; The present invention adopts the semiconductor laser array that forms a plurality of luminous points; Or adopt multiple beam light source with a plurality of formation single spot or many luminous points, and scan photosensitive surface simultaneously with multiple light beams, help the high speed and the densification of light scanning apparatus and imaging device.
Description of drawings
Fig. 1 is a stereographic map of overlooking the light source portion the routine light supply apparatus that the present invention relates to from the front upper place.
Fig. 2 is a stereographic map of looking up above-mentioned light source portion from the front upper place.
Fig. 3 overlooks above-mentioned light source portion at the stereographic map that receives under the light source holding member hold mode from the front upper place.
Fig. 4 overlooks above-mentioned light source portion at the stereographic map that receives under the light source holding member hold mode from the back upper place.
Fig. 5 is that above-mentioned light source portion is at the front elevation that receives under the light source holding member hold mode.
Fig. 6 is that above-mentioned light source portion is at the side view that receives under the light source holding member hold mode.
Fig. 7 is that above-mentioned light source portion is at the longitdinal cross-section diagram that receives under the light source holding member hold mode.
Fig. 8 is that above-mentioned light source portion is in the view in transverse section that receives under the light source holding member hold mode.
Fig. 9 is that above-mentioned light source portion is at the rear view that receives under the light source holding member hold mode.
Figure 10 is an exploded perspective view of overlooking the part of light supply apparatus embodiment of the present invention from the front upper place.
Figure 11 is an exploded perspective view of overlooking the part of the foregoing description from the back upper place.
Figure 12 is the decomposition view of the part of the foregoing description.
Figure 13 is the cut-open view of the imaging device embodiment that the present invention relates to.
Mark:
101 metallic matrixes, the 101a light source carries the zone, the 101b side portion, 101c excises the end; 102 light emitting sources, as the semiconductor laser light resource of light emitting source, 103 resin portion, 201 light source holding members, 201a fenestra; 201b cuts groove, 201c patchhole spare, and 201d location pushing portion, 201e is pressed into portion; 201f importing portion, 301 frameworks, 301a embedded hole, 401 optical elements
Embodiment
Below with reference to description of drawings light supply apparatus of the present invention, light scanning apparatus and imaging device.
Light scanning apparatus
Fig. 1 to Figure 12 shows light supply apparatus embodiment of the present invention.At first utilize Fig. 1 and Fig. 2 that the structure of one example as the light source portion of the part of light supply apparatus is described.Light source portion roughly is divided into the light emitting source 102 and the resin portion 103 of plate-shape metal matrix 101, emission light beam in Fig. 1 and Fig. 2.Resin portion 103 for example can use modes such as inserting formation and metallic matrix 101 integrally formed.Metallic matrix 101 is divided into the inboard and the outside by resin portion 103, and wherein inboard for the illuminating part that carries illuminating part 102 carries regional 101a, the outside is support area 101b.Illuminating part carry regional 101a be constituted as, from the roughly middle part of metallic matrix 101 forwards open shape, support area 101b is positioned at the both sides of metallic matrix 101, is opening shape.Illuminating part carries the covering that does not have resin portion 103 on regional 101a and the support area 101b, is the zone of exposing of metallic matrix 101.Have many metal end daughter boards rearward to extend from resin portion 103 in addition, these terminal strips and the present invention are irrelevant, omit explanation at this.
For example constitute light emitting source 102 with semiconductor, this light emitting source 102 carries on the regional 101a by means of the illuminating part that suitable support platform is fixed on metallic matrix 101, and emission is parallel to metallic matrix 101 upper surfaces and towards the light beam in the place ahead.Light emitting source 102 has one or more illuminating parts.
As shown in Figure 2, the reverse side 104 that carries the face of light emitting source 102 on the metallic matrix 101 comprises that zone that above-mentioned illuminating part carries the reverse side of regional 101a is that the zone of the illuminating part reverse side that carries back side zone 104a and support area 101b is for supporting zone, back side 104b.The front end that is positioned at the support area 101b of metallic matrix about 101 is provided with and is cut rectangular cutting tip 101c.This cutting tip 101c is pushed away toward following light source holding member 201, and touch on the assigned position of this light source holding member 201 fixing, in order to the luminous point position of restriction light emitting source 102.The mode that constitutes light source portion with above-mentioned metallic matrix 101, light emitting source 102 and resin portion 103 is referred to as frame bag type diode laser matrix (FP type LDA).
To shown in Figure 9, light source portion illustrated in figures 1 and 2 is maintained on the light source holding member 201 like Fig. 3.The profile of this light source holding member 201 is roughly by constituting with lower component, and promptly cylindrical shape is pressed into the 201e of portion, and it accounts for the major part of profile; And the 201f of importing portion connects the place ahead that this cylindrical shape is pressed into the 201e of portion, and constitutes taper shape.The material of this light source maintaining part 201 is a metal, and it not only has the insertion space 201c that accepts above-mentioned light source portion, and has fenestra 201a, is used for light emitting source 102 emitted light beams of inserting light source portion wherein are directed to the outside.The left and right sides of light source holding member 201 is provided with cuts groove 201b; The left and right sides side portion 101b that this metallic matrix 101 that cuts insertion light source portion among the groove 201b is had; This cuts the rear end of groove 201b from light source holding member 201, is pressed into the optical axis direction of the 201e of portion along cylindrical shape, is located at whole being pressed on the portion 201e zone; And get into the part of the importing 201f of portion, be formed on the axis direction that cylindrical shape is pressed into portion 101.
What the side portion 101b of the both sides of above-mentioned light source portion metallic matrix 101 inserted light source holding member 201 cuts groove 201b, to remain in the insertion space 201c in the light source holding member 201.The side portion 101b back side of metallic matrix 101, promptly said support back side zone 104b (referring to Fig. 2) slides on above-mentioned bottom surface of cutting groove 201b, makes light source portion be able to the location with respect to light source holding member 201 at above-below direction.In addition, the excision end 101c of the side portion 101b front end of above-mentioned metallic matrix 101 both sides meets the front end that this cuts groove 201b, makes light source portion obtain the location with respect to light source maintaining part 201 at fore-and-aft direction.Like this light source portion with respect to the holding position precision of light source maintaining part 201 good and stable posture.
Like Fig. 4, Fig. 8, shown in Figure 9, the rear end of the above-mentioned insertion space 201c of light source holding member 201 is provided with location push part 201d.The longitudinal cross-section of this insertion space 201c roughly is the long rectangular space of left and right directions, and the above-mentioned location 201d of pushing portion is positioned at one jiao of this insertion space 201c top.The 201d of this location pushing portion also is positioned at a jiao in the face of resin portion 103 tops of light source portion.The size of the various piece of light source portion is set to; When light source portion is inserted the state that light source maintaining part 201 is able to locate, suitable maintenance gap between the above-mentioned location 201d of pushing portion and the angle in the face of resin portion 102 upsides one side in light source portion of this location pushing 201d of portion.
With reference to figures 10 to Figure 12 the mounting structure of above-mentioned light source holding member 201 on framework is described below.The framework of the mark 301 expression light supply apparatuses among Figure 10 to Figure 12.Framework 301 comprises rectangular base plate and the vertical sidewall of holding up with minor face from the long limit of this base plate.The sidewall that begins to hold up from long limit is provided with embedded hole 301a, is used to embed light source holding member 201.In this embodiment illustrated, be provided with four embedded hole 301a, be used to embed four light source holding members 201.Above-mentioned light source portion is positioned its conical importing 201f of portion guiding of light source holding member 201 usefulness of maintenance, be inserted in these embedded holes 301, then, embed cylindrical shape and be pressed into the 201e of portion.
The diameter of above-mentioned embedded hole 301a is less than the external diameter of the 201e of the portion that is pressed into of light source holding member 201.For this reason, be pressed into the 201e of portion along with the embedded location of embedded hole 301a moves to from the 201f of importing portion, light source holding member 201 is the boundary to cut groove 201b, receives the compressing from the above-below direction of embedded hole 301a inner peripheral surface, and the spacing of cutting groove 201b of both sides becomes narrow.Its result, shown in Fig. 9 waited, the angle of the resin portion 103 of the above-mentioned location 201d of pushing portion contact and pushing light supply apparatus made light supply apparatus be able to the location with respect to light source holding member 201.In above-mentioned embedded hole 301a,, adjust the turned position of light source portion with respect to framework 301 through regulating the turned position of light source holding member 201.Simultaneously, through the embedded location of adjustment light source holding member 201, make that light source portion is able on the assigned position on the fore-and-aft direction, locate with respect to the fore-and-aft direction of embedded hole 301a.In embodiment illustrated, the sidewall that is provided with the framework 301 of embedded hole 301a need have certain above thickness range, in order to keep light source holding member 201 with this sidewall thickness.
According to the above, light source holding member 201 is installed on the framework 301, make light source portion also can be installed on the framework 301 by means of light source holding member 201 simultaneously.
The base plate of framework 301 is provided with the mounting groove 301c that optical element is installed, and is used to install the optical element 401 corresponding to above-mentioned each embedded hole 301a.Optical element 401 in the present embodiment is collimation lens or coupled lens, be used for diverging light with 102 emissions of above-mentioned illuminating part change into directional light or bring together a little bring light or diverging light together, the optical system of being convenient to is after this used.Each optical element 401 is a cylindrical shape, and the profile of above-mentioned mounting groove 301c surface engagement optical element 401 is formed the part cylindrical shape, is used for the cylindrical shape outer surface in fore-and-aft direction guided optical element 401, to position.Wait with appropriate method such as bonding optical element 401 is installed among the mounting groove 301c.The size dimension of each parts is set as, and makes the optical axis be installed to the optical element 401 among each mounting groove 301c, the light source portion emitted light beams central shaft that is kept with light source holding member 201 in being embedded into each embedded hole 301a consistent.
Light source holding member 201 is being embedded into when installing among each embedded hole 301a, is rotating with respect to this internal perisporium with the 201e of the portion that is pressed into of the internal perisporium guiding light source holding member 201 of embedded hole 301a, with the adjustment turned position.Can adjust the distance between most light beams of above-mentioned a plurality of light emitting source 102 emissions like this, obtain good and stable beam quality.
Below sum up the action effect of above-mentioned light supply apparatus embodiment.
The said fixing structure keeps frame bag type laser array (FP type LDA) with light source holding member 201, and this light source holding member 201 is pressed into the embedded hole 301a of framework 301, has reduced like this to be used for the fixing binding member of light source portion, helps reducing cost.
With the material of metal as light source maintaining part 201, be expected to obtain better heat radiating effect, help dispersing of heat that the light emitting source 102 of light source portion takes place, obtain stable beam quality.
Light source holding member 201 has the insertion space 201c of light source portion, and the location pushing 201d of portion is positioned on resin portion 103 position contacting of side and light source portion of this insertion space 201c.Light source holding member 201 has the groove of cutting 201b, and this cuts the side portion 101b that groove 201b is used for metallic matrix 101 left and right sides of clamping light source portion.Then light source holding member 201 is pressed into the embedded hole 301a of framework 301; Side portion 101b with the above-mentioned metal framework 101 of light source holding member 201 clampings; Keep light source portion, and the resin portion 103 of location pushing portion 201 contact light source portion, make light source portion be able to the location.Meanwhile, light source holding member 201 is able to the location and is fixed on framework 301.Like this; Need be with fixed screw between light source portion, light source holding member 201, the framework 301 etc., and only need embed or be pressed into the assigned position location, thus simplify the structure; And can carry out stable assembling, and obtain good position and concern precision with simple assembling procedure.
As stated, cutting groove 201b and inserting space 201c of light source holding member 201 constitutes, and receives thrust in the time of in the embedded hole 301a that light source holding member 201 is embedded or is pressed into framework 301, makes this groove 201c and insertion space 201c become narrow.Because this insertion space 201c becomes narrow; Be positioned at the angle of the resin portion 103 of the 201f of the location pushing portion pushing light source portion of inserting 201c side, space; Make the excision end 101c of metallic matrix 101 run into the inwall of light source holding member 201; Like this, the light source portion that possesses metallic matrix 101 is able to the location, can precision limits the luminous point position of light emitting source 102 well.Thereby can stably keep light emitting source 102 postures, make beam quality become stable.
Among the embodiment of above-mentioned light supply apparatus, it is roughly the same that the assembling morphology of light source portion and light source holding member 201 and existing C AN type light supply apparatus promptly are built in the light supply apparatus of barrel-shaped box form, so light supply apparatus of the present invention is convenient to replace CAN type light supply apparatus.
Light scanning apparatus
The invention described above light scanning apparatus can be in order to the light supply apparatus as light scanning apparatus.In light scanning apparatus, the light supply apparatus emitted light beams is through light deflector deflections such as polygon mirrors, and this deflected beam is brought together by on the scanning plane through scanning optics, simultaneously, makes this bring the light constant scanning together by scanning plane.With the light supply apparatus of light supply apparatus of the present invention as light scanning apparatus, not only simplify the structure, and simplify assembling procedure, can also obtain the light beam of good quality simultaneously, carry out the high precision photoscanning.
Imaging device
The invention described above light scanning apparatus can be used as the light scanning apparatus of imaging device.Imaging device at this is meant that through carrying out charging, exposure, development, transfer printing, photographic fixing, a series of electronics description of cleaning processing be carried out to the device of picture, the light scanning apparatus that the present invention relates to is used for as the light scanning apparatus of carrying out above-mentioned exposure-processed.
Figure 13 is the embodiment that adopts the imaging device of light scanning apparatus of the present invention, and this embodiment is the color laser printer of the what is called serial connection mode of a routine corresponding full color.Be provided with lower component in the device shown in Figure 13, paper feeding cassette 13 is positioned at the device bottom, the along continuous straight runs setting; Separate roller 14 is used for separating one by one the transfer paper in the paper feeding cassette 13; Roller is extracted the transfer paper after separating out to 15; And registration roller is sent to conveying belt 17 to 16 with transfer paper.Conveying belt 17 constitutes, attitude in horizontal direction, pair of rolls 18, between 19 receiving the left and right directions tension, this roller is to 18, between 19 among the figure, above-mentioned transfer paper is carried from right to left.It is that transfer paper throughput direction downstream are provided with fixing device 24 that the transfer paper of conveying belt 17 is carried the place ahead, and then, joint face to the exit roller of row's paper disc to 25.
Be from upstream to downstream along the throughput direction of transfer paper on the conveying belt 17 and use photoreceptor 8K with photoreceptor 7M, cyan C with photoreceptor 7C, black K with photoreceptor 7Y, red M so that yellow Y uniformly-spaced to be set successively.Followingly add at the back that at mark Y, M, C, K are to represent corresponding different colours.Each photoreceptor 7Y, 7M, 7C, 7K have identical diameter, according to the electrofax processing sequence, the parts of carrying out each processing are set around these photoreceptors.With photoreceptor 7Y is example, and the rotation direction that photoreceptor 7Y is installed sets gradually devices such as charging device 8Y, photo-scanning system 6Y, developing apparatus 10Y, transfer device 11Y, cleaning device 12Y.Around other photoreceptors 7M, 7C, 7K, also be provided with same treating apparatus.In the present embodiment, with photoreceptor 7Y, 7M, 7C, 7K surface as correspondence of all kinds by scanning plane or plane of illumination, each photoreceptor and light scanning apparatus 6Y, 6M, 6C, 6K are one-one relationship.But scanning lens L1 is used by M, Y, K, C jointly.
Light scanning apparatus 9 is the structure division that comprises above-mentioned photoscanning optical system 6Y, 6M, 6C, 6K, scanning lens L1, and this light scanning apparatus 9 adopts light supply apparatus of the present invention as light supply apparatus.In Figure 13, do not have the display light scanister, but in fact adopted 4 Figure 10 to light source portion shown in Figure 12, these light source portion are maintained on the framework 301 by means of light source holding member 201.Come each light source portion emitted light beams of deflecting reflection with same light deflector 5, then each beam steering reflected light sees through the same first imaging optical system L1.And then, each beam steering light beam see through right quantity respectively with the corresponding catoptron of each light beams and the first imaging optical system L2, it is last to be directed into each self-corresponding photoreceptor 7Y, 7M, 7C, 7K.
Conveying belt 17 on every side as follows; Moving direction along conveying belt 17; Input one side of transfer paper set gradually registration roller to 16, band charger 20, go back to through rollers 18 at conveying belt 17 consumer appliance 22 be set on the position, and then cleaning device 23 is set along the moving direction of this conveying belt 17.
In having the imaging device of said structure; For example; When full color mode; In advance with charger charging, make each light light body 7Y, 7M, 7C, 7K of surperficial uniform charged receive the photoscanning with photoreceptor 7Y, 7M, 7C, the corresponding light scanning apparatus 6Y of 7K, 6M, 6C, 6K in the surface separately.The scanning light beam of each photoscanning optical system is modulated according to the picture signal of all kinds that Y, M, C, K use, and forms the electrostatic latent image corresponding to each chrominance signal at each photosensitive surface.Color toner is provided to respectively on these electrostatic latent images in corresponding to versicolor developing apparatus, through visual, forms toner image.Then, toner image of all kinds receives Electrostatic Absorption, and is transferred to successively on the transfer paper of delivering to and overlaps, and on recording chart, forms full-color image.This full-color image is received exit roller row paper after fixing device 24 photographic fixing, on the row's of being rejected to paper disc 26.
As the above-mentioned light scanning apparatus that possesses the light supply apparatus of the foregoing description, can become alignment error and the less light scanning apparatus of mismachining tolerance with the photoscanning optical system 6Y of above-mentioned imaging device, 6M, 6C, 6K so that be applicable to the light scanning apparatus of the oblique incidence mode that the low-cost energy-saving type is small-sized.This light scanning apparatus as the device of carrying out the imaging device exposure-processed, can be reduced light beam and changes in the angle of sub scanning direction, reduce the crooked and image planes distortion deterioration of scanning curve, obtain good and stable image quality.
The above-mentioned most preferred embodiment that light supply apparatus of the present invention, light scanning apparatus and imaging device have been described, but the present invention does not receive this embodiment restriction.Only otherwise break away from the described the present invention's technology of this instructions category, can do any technical change to the present invention, and this type change all belongs to category of the present invention.

Claims (9)

1. light supply apparatus that is used for light scanning apparatus, comprising with lower component,
Light source portion is used to launch light beam;
The light source holding member, it keeps light source portion; And,
Framework is installed the light source holding member on this framework,
Said light source portion comprises with lower component,
Metallic matrix;
Light emitting source, it carries on this metallic matrix, and emission is parallel to the light beam on the lift-launch plane of this metallic matrix; And,
Resin portion, integrally formed with said metallic matrix, this resin portion will this said metallic matrix be divided into carry illuminating part luminous carries the zone and supports the support area of said metallic matrix with said light source holding member,
Said light source holding member has cylindrical shape and is pressed into portion and cuts groove, and this cuts groove and forms along the axis direction that this cylindrical shape is pressed into portion, wherein embeds the said support area of said metallic matrix,
Said framework is provided with embedded hole, and the cylindrical shape portion of being pressed into of said light source holding member embeds this embedded hole, and can in this embedded hole, rotate around its axis,
When this cylindrical shape portion of being pressed into was pressed in the embedded hole of this framework, the said groove that cuts became narrow, clamps and keep the said support area of said light source portion.
2. light supply apparatus according to claim 1; Wherein, Said framework keeps optical element; This optical element is used to make the illuminating part emitted light beams almost parallel that becomes, and embeds the cylindric portion that is pressed into of said light source holding member in the embedded hole on this framework, and this cylindric portion that is pressed into can rotate by the optical axis around said optical element in this embedded hole.
3. light supply apparatus according to claim 1 and 2; Wherein, Said light source holding member comprises insertion space and the location pushing portion that inserts light source portion; When the cylindrical shape portion of being pressed into of said light source holding member embeds said framework when making cutting groove and becoming narrow of said light source holding member, this location pushing portion contacts the resin portion of said light source portion, and said light source portion is located with respect to said light source holding member.
4. according to any described light supply apparatus in the claim 1 to 3, wherein, said light emitting source is a frame bag type light source.
5. according to any described light supply apparatus in the claim 1 to 4, wherein, said light source holding member forms with metal.
6. according to any described light supply apparatus in the claim 1 to 5, wherein, carry the support area that regional both sides form a pair of light source portion at said illuminating part, this a pair of support area receives a pair of clamping of cutting groove of the both sides that are positioned at the light source holding member.
7. a light scanning apparatus is used for deflection source apparatus emitted light beams, and this light beam is scanned on by scanning plane, it is characterized in that, this light supply apparatus is any described light supply apparatus in the claim 1 to 6.
8. imaging device device, it is carried out electronic photo and handles to form image, it is characterized in that, and the light scanning apparatus of carrying out the exposure-processed of electrofax in handling uses the described light scanning apparatus of claim 7.
9. an imaging device is handled to form the image-generating unit of image comprising a plurality of implementation electrofaxs, it is characterized in that, the light scanning apparatus of carrying out exposure-processed in each image-generating unit uses the described light scanning apparatus of claim 7.
CN201110267090.7A 2010-09-13 2011-09-09 Power source device, light scanning device and imaging device Expired - Fee Related CN102401998B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2010-204458 2010-09-13
JP2010204458A JP5569804B2 (en) 2010-09-13 2010-09-13 Light source device, optical scanning device, and image forming apparatus

Publications (2)

Publication Number Publication Date
CN102401998A true CN102401998A (en) 2012-04-04
CN102401998B CN102401998B (en) 2014-08-06

Family

ID=45884375

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201110267090.7A Expired - Fee Related CN102401998B (en) 2010-09-13 2011-09-09 Power source device, light scanning device and imaging device

Country Status (2)

Country Link
JP (1) JP5569804B2 (en)
CN (1) CN102401998B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104285430A (en) * 2012-05-10 2015-01-14 三菱电机株式会社 Image sensor
CN104869278A (en) * 2014-02-21 2015-08-26 兄弟工业株式会社 Image reading apparatus
CN111540306A (en) * 2020-04-23 2020-08-14 歌尔股份有限公司 Display method, display device, and computer-readable storage medium

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6104436B1 (en) * 2016-07-28 2017-03-29 株式会社オプトエレクトロニクス Optical scanning module
JP6095833B1 (en) * 2016-07-28 2017-03-15 株式会社オプトエレクトロニクス Laser light source unit fixture and fixing structure
CN109798847B (en) * 2018-11-27 2021-08-10 中国科学院国家天文台南京天文光学技术研究所 Measuring device for measuring beam divergence angle and laser quality factor and testing method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6317245B1 (en) * 1999-06-25 2001-11-13 Asahi Kogaku Kogyo Kabushiki Kaisha Multi-beam scanning optical system
CN1441277A (en) * 2002-02-28 2003-09-10 佳能株式会社 Light souce unit and scanning optical device using said light source unit
JP2009038051A (en) * 2007-07-31 2009-02-19 Kyocera Mita Corp Light source device and optical scanner equipped with the same
CN101460881A (en) * 2006-06-05 2009-06-17 佳能株式会社 Optical scanner
CN101598853A (en) * 2008-06-02 2009-12-09 株式会社理光 Light scanning apparatus and image processing system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0964485A (en) * 1995-06-13 1997-03-07 Fuji Electric Co Ltd Semiconductor laser device
JP3339047B2 (en) * 1996-09-10 2002-10-28 日本ビクター株式会社 Optical pickup
JPH1172729A (en) * 1997-08-29 1999-03-16 Canon Inc Multibeam scanning device
JPH11231241A (en) * 1998-02-16 1999-08-27 Canon Inc Light source device
JP2004096001A (en) * 2002-09-03 2004-03-25 Canon Inc Light source equipment
JP2008139663A (en) * 2006-12-04 2008-06-19 Canon Inc Scanning optical device
JP2008294312A (en) * 2007-05-28 2008-12-04 Funai Electric Co Ltd Laser holder and optical pickup using the same

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6317245B1 (en) * 1999-06-25 2001-11-13 Asahi Kogaku Kogyo Kabushiki Kaisha Multi-beam scanning optical system
CN1441277A (en) * 2002-02-28 2003-09-10 佳能株式会社 Light souce unit and scanning optical device using said light source unit
CN101460881A (en) * 2006-06-05 2009-06-17 佳能株式会社 Optical scanner
JP2009038051A (en) * 2007-07-31 2009-02-19 Kyocera Mita Corp Light source device and optical scanner equipped with the same
CN101598853A (en) * 2008-06-02 2009-12-09 株式会社理光 Light scanning apparatus and image processing system

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104285430A (en) * 2012-05-10 2015-01-14 三菱电机株式会社 Image sensor
CN104285430B (en) * 2012-05-10 2017-07-04 三菱电机株式会社 Imageing sensor
CN104869278A (en) * 2014-02-21 2015-08-26 兄弟工业株式会社 Image reading apparatus
CN104869278B (en) * 2014-02-21 2018-08-14 兄弟工业株式会社 Image-reading device
CN111540306A (en) * 2020-04-23 2020-08-14 歌尔股份有限公司 Display method, display device, and computer-readable storage medium
CN111540306B (en) * 2020-04-23 2022-03-25 歌尔光学科技有限公司 Display method, display device, and computer-readable storage medium

Also Published As

Publication number Publication date
JP5569804B2 (en) 2014-08-13
JP2012056285A (en) 2012-03-22
CN102401998B (en) 2014-08-06

Similar Documents

Publication Publication Date Title
CN102401998B (en) Power source device, light scanning device and imaging device
CN100582864C (en) Optical scanning unit and image forming apparatus
EP1388748B1 (en) Optical scanning lens and image forming apparatus using the same
US20070165099A1 (en) Image forming apparatus, optical writing device, and housing molding method providing simple structure
CN100419495C (en) Optical scanning unit and image forming apparatus
CN102591011B (en) Light emitting element adjusting and fixing structure, optical scanner, and image forming apparatus
CN102566043A (en) Polygon mirror assembly, light scanning unit employing polygon mirror assembly, and image forming apparatus
CN101676112B (en) Optical scanning device
US6801239B2 (en) Image forming apparatus
JP3980826B2 (en) Optical writing apparatus and image forming apparatus
US6313906B1 (en) Multibeam scanning device
CN104656250B (en) Multi-beam light source unit and the method for adjusting it
CN101308253B (en) Optical scanning device and image forming device using the optical scanning device
CN102262294B (en) Optical scanning unit and image forming apparatus
CN102853333B (en) Light emission apparatus, optical scanning apparatus including the light emission apparatus, and image forming apparatus including the optical scanning apparatus
CN101937129A (en) Optical scanning device
JP5233878B2 (en) Optical scanning device and image forming apparatus using the same
KR20120054402A (en) Light scanning unit and electrophotograpohic image forming apparatus using the same
JP3933876B2 (en) Image forming apparatus
CN101852909B (en) Structure for holding optical component, and optical scanning device and image forming apparatus including the same
CN107045198B (en) Light scanning apparatus and image forming apparatus
JP2005292377A (en) Optical scanner and image forming apparatus
JP2001310500A (en) Optical writing unit and imaging apparatus
US20090231655A1 (en) Optical scanning device and image forming apparatus
JP2002318363A (en) Optical scanner and image forming device

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140806

Termination date: 20200909