CN206610086U - A kind of fixed structure of optical printer head, optical printer head and image processing system - Google Patents

Abstract

The utility model provides a kind of fixed structure of optical printer head, optical printer head and image processing system, and the fixed structure includes：Organic electroluminescent component, realizes the acquisition of original image using exposure after energization；Framework, is inverted U-shaped slot structure, and the relative installing plate for protruding and possessing certain intervals is respectively arranged with the inner surface of two side plates, and the installing plate of the organic electroluminescent component by two sides of the one side that lights respectively with both sides is fixed.The one side that the utility model is lighted using organic electroluminescent component is connected with installing plate, make the heat of the script temperature just light-emitting area higher than back temperature, passed in time by installing plate, the degrees of expansion of organic electroluminescent component when can reduce high temperature, the amplitude of deformation of organic electroluminescent component is reduced, so as to improve the precision of images of acquisition.

Description

A kind of fixed structure of optical printer head, optical printer head and image processing system

Technical field

The utility model is related to image formation field, and a kind of more particularly to optical printer head for improving radiating effect is consolidated Determine structure, and the optical printer head using the fixed structure and the image processing system using the optical printer head.

Background technology

Existing office space, is to use a set of image processing system (MFP mostly：Multi-Functional Peripheral) so that as public office equipment, image processing system is acted by following steps：Original copy feedway is used In putting or conveying original copy, scanning element obtains the optical analog picture signal of original copy by exposing, and sends to image shape Into portion, image forming part makes optical analog picture signal form electrostatic latent image on photographic department surface, recycles transfer section to make electrostatic Be transferred to after sub-image formation toner image on medium, then by fixation unit medium is carried out it is fixing after be discharged to paper discharge unit.

Scanning element is that, using the organic electroluminescent component of optical printer head as exposure light source, organic electroluminescent component is typically adopted With LASER Light Source or LED/light source, cooling means is that the high metallicity of pyroconductivity is pasted at the back side of organic electroluminescent component Radiator, is radiated.But, this method, can be in height because radiator is different from the linear expansion coefficient of organic electroluminescent component The prolonged expansion amount of two parts is set to produce difference when warm, so as to produce warpage, the warpage changes the light of organic electroluminescent component Road is long, there is the high likelihood for causing image deflects.

In addition, in the back side fixed heat sink of organic electroluminescent component, it is impossible to which sufficiently cool organic electroluminescent component lights Face.

Utility model content

The purpose of this utility model is to provide a kind of light printing that can be reduced and cause image quality to reduce because of warpage or skew The fixed structure of head and the optical printer head using the fixed structure and the image processing system using the optical printer head.

Specifically, one embodiment of the utility model provides a kind of fixed structure of optical printer head, including：

Organic electroluminescent component, realizes the acquisition of original image using exposure after energization；

Framework, is inverted U-shaped slot structure, is respectively arranged with the inner surface of two side plates and relative protrude and possess certain intervals Installing plate, the organic electroluminescent component fixed by the installing plate of two sides respectively with both sides for the one side that lights.

One embodiment of the utility model provides a kind of optical printer head, including foregoing fixed structure.

One embodiment of the utility model provides a kind of image processing system, including：

Original copy feedway, for placing original copy, so that the information on original copy can be read；

Scanning element, scan manuscript is to obtain optical analog picture signal, including foregoing optical printer head；

Image forming part, the optical analog picture signal is changed toner image is formed to photographic department；

Transfer section, output after the toner image that will be formed on the photographic department is transferred on medium.

The one side that the utility model is lighted using organic electroluminescent component is connected with installing plate, script temperature is just compared the back side The heat of the high light-emitting area of temperature, is passed in time by installing plate, it is possible to decrease the expansion of organic electroluminescent component during high temperature Degree, reduces the amplitude of deformation of organic electroluminescent component, so as to improve the precision of images of acquisition.

Brief description of the drawings

Fig. 1 is the image processing system structural representation of one embodiment of the utility model；

Fig. 2 is the fixed structure decomposing state schematic diagram of one embodiment of the utility model；

Fig. 3 is the fixed structure schematic diagram of one embodiment of the utility model.

Embodiment

Hereinafter, the image processing system that embodiment is related to is described in detail with reference made to the accompanying drawings.In addition, same place in each figure Marked with same symbol.

Fig. 1 is the image processing system structural representation of one embodiment of the utility model.

In Fig. 1, image processing system 100 can be the MFP (Multi-Function as compounding machine Peripherals), the equipment such as printer or duplicator.Illustrated in the following description by taking MFP as an example.

MFP 100 includes a body 11 for being used to install each part, and conveying original copy is provided with the top of body 11 Original copy feedway 12 and guidance panel 13.Guidance panel 13 includes the operating portion 14 that is made up of various keys and touch plate type Display part 15.

The scanning element 16 for reading original copy is provided with the bottom of original copy feedway 12, scanning element 16 is printed by light The exposure of head obtains the optical analog picture signal of original copy.Image forming part 17 is also equipped with body 11 and is accommodated various Multiple paper feeding cassettes 18 of size medium.

Image forming part 17 includes providing yellow (Y), magenta (M), cyan (C), the toner of black (K) a variety of colors Box 28 (28Y, 28M, 28C, 28K), and according to the optical analog picture signal of scanning element 16 generate image photographic department 20Y, 20M, 20C, 20K, and by the transfer section of the image primary transfer on photographic department 20Y, 20M, 20C, 20K to transfer belt 21.

Transfer belt 21 is erected on driven roller 32 and driven voller 33,34, and driven roller 32 is relative with secondary transfer roller 35 to match somebody with somebody Put.When medium S is by between driven roller 32 and secondary transfer roller 35, secondary transfer roller 35 applies transfer voltage by transfer belt 21 Toner image be transferred on medium S.Toner in cleaning transfer belt 21 is provided near the driven voller 34 of transfer belt 21 Cleaner 36.

Between paper feeding cassette 18 arrives secondary transfer roller 35, provided with the separate roller 37 and biography for taking out the medium S in paper feeding cassette 18 Roller 38 is sent, the fixation unit 39 being fixed to medium S epigraphs is provided with the downstream of secondary transfer roller 35.In fixation unit 39 Downstream is provided with the transfer roller 40 for discharging medium S to paper discharge unit 41.

Further, two-sided transmitting path 42 can also be set in the downstream of fixation unit 39.Two-sided transmitting path 42 makes Jie Matter S inverts the backward direction of secondary transfer roller 35 guiding, to carry out printed on both sides to medium S.

As shown in Figure 2,3,

In an embodiment of the present utility model, optics analog picture signal on the acquisition original copy of scanning element 16 Optical printer head, in general manner including organic electroluminescent component 161 and framework 163.

The organic electroluminescent component 161 realizes the acquisition of original image by the exposure after energization, generally comprises glass The plate-like substrate of system, and it is encapsulated in the light emitting diode and circuit of thereon.

The framework 163 is used to install organic electroluminescent component 161, generally inverted U-shaped slot structure, in the interior table of two side plates Face is respectively arranged with the relative installing plate 1631 for protruding and possessing certain intervals, and organic electroluminescent component 161 passes through luminous one side Installing plate 1631 of two sides respectively with both sides fix.

In present embodiment, the one side lighted using organic electroluminescent component 161 is connected with installing plate 1631, makes temperature originally The heat of light-emitting area just higher than back temperature is spent, can in time be passed by installing plate 1631, Organic Electricity during reduction high temperature The degrees of expansion of light-emitting component 161, reduces the amplitude of deformation of organic electroluminescent component 161, so as to improve the precision of images of acquisition.

Space between two pieces of installing plates 1631 is the luminous of organic electroluminescent component 161.Pass through inverted U-shaped slot structure Framework 163, can be controlled the light emission direction and glazed area of built-in organic electroluminescent component 161.This Outside, its heat can also fully be passed to framework 163 by the organic electroluminescent component 161 under semi-surrounding environment.

In an embodiment of utility model, the organic electroluminescent component can pass through binding material and installing plate 1631 fix.Further, the binding material can be able to be elasticity for aluminum double faced adhesive tape or conventional double faced adhesive tape, conventional double faced adhesive tape Build pressure sensitive adhesive or resin pressure sensitive adhesive are coated in the structure formed on matrix, and aluminum double faced adhesive tape can utilize the heat conductivity of metal Heat can preferably be conducted.

In an embodiment of the present utility model, can also organic electroluminescent component 161 and installing plate 1631 it Between fixing clearance in perfusion cooling and lubricating fat.Here cooling and lubricating fat can be the heat conductive silica gel commonly used on computer.Framework Space between 163 and organic electroluminescent component 161, can be beneficial to passing through for radiation air, make aluminum double faced adhesive tape and cooling and lubricating fat The heat Quick diffusing of absorption is gone out.

In an embodiment of the present utility model, the installing plate 1631 can have multiple, and each installing plate 1631 can It is spaced apart and arranged in the length direction along the side plate of framework 163 on two side plates.The installing plate of same position on two side plates 1631 positions correspondence.Multiple installing plates 1631 can form uniform fixation to organic electroluminescent component 161, while reducing stationary plane Product.Installing plate 1631 can be fixed by the mode such as welding or bonding with framework 163.

In an embodiment of the present utility model, the installing plate 1631 can by two side plates of framework 163 sheet Body cuts backward internal bend and formed.Cut out the mouth of U-shaped on side plate, then to cutting edge is promoted inside framework 163, make cutting The side plate gone out ultimately forms the installing plate 1631 with side plate one not cut off side to the internal bend of framework 163.Present embodiment The installation of installing plate 1631 can be simplified.In addition, position of the side plate after the bending of installing plate 1631 can leave a through hole 1632, The through hole 1632 makes the heat inside framework 163 form convection current with outside, accelerates distributing for the internal heat of framework 163.Two sides The position of through hole 1632 correspondence on plate, is more conducive to form heat exchange.

In an embodiment of the present utility model, each installing plate 1631 can be horizontally located at the top of framework 163 Lower section.The structure can make the organic electroluminescent component 161 after fixing form one section of space with bottom, in favor of pair of radiation air Stream, while the luminous distance of convenient adjustment organic electroluminescent component 161.

In addition, after organic electroluminescent component 161 is fixed in framework 163, two sides of framework 163 and organic electroluminescent Certain gap can be set between the side of element 161, and it is swollen that the gap is at least equal to or greater than the heat of organic electroluminescent component 161 Swell increment after swollen, it is to avoid the medial surface of the thermal expansion back side edge of organic electroluminescent component 161 and framework 163 produce reaction force and It is impaired.

Further, in an embodiment of the present utility model, it can be set in the bottom of the U-lag of framework 163 The mounting groove 1633 of self-aggregation lens 165 is installed.GRIN Lens 165 is used to gather the diffusion light of organic electroluminescent component 161 Collect on photoreceptor, self-aggregation lens 165 can be fixed in mounting groove 1633 by the way of bonding.

There is provided a kind of optical printer head using foregoing fixed structure in an embodiment of the present utility model.The light After printhead fixes organic electroluminescent component 161 by foregoing fixed structure, when exposing original copy, light shaft offset can be pressed down Minimum is made as, so as to obtain better image.

In an embodiment of the present utility model, a kind of image processing system is also provided, the image processing system one As property include：

Original copy feedway, for placing original copy, so that the information on original copy can be read；

Scanning element, scan manuscript is to obtain optical analog picture signal, including foregoing optical printer head；

Image forming part, the optical analog picture signal is changed toner image is formed to photographic department；

Transfer section, output after the toner image that will be formed on the photographic department is transferred on medium.

Light shaft offset, when exposing original copy, can be suppressed to minimum by the image processing system using foregoing optical printer head, So as to obtain better image.

Although the description of several embodiments of the present utility model, but these embodiments are intended only as example and proposed , it is not intended to limit scope of the present utility model.These new embodiments, can be implemented in other various modes, In the range of the main idea of utility model is not departed from, various omissions, displacement, combination can be carried out and changed.These embodiments All it is contained in scope of the present utility model and main idea with its deformation, and it is new to be contained in this practicality described in claims In type and its equivalency range.

Claims (10)

1. a kind of fixed structure of optical printer head, it is characterised in that including：

Organic electroluminescent component, realizes the acquisition of original image using exposure after energization；

Framework, is inverted U-shaped slot structure, has the relative installation for protruding and possessing certain intervals in the inner surface setting of two side plates Plate, the installing plate of the organic electroluminescent component by two sides of the one side that lights respectively with both sides is fixed.

2. fixed structure according to claim 1, it is characterised in that

The organic electroluminescent component is fixed by binding material with the installing plate.

3. fixed structure according to claim 2, it is characterised in that

The binding material is aluminum double faced adhesive tape.

4. fixed structure according to claim 1, it is characterised in that

Cooling and lubricating fat is perfused between the organic electroluminescent component and installing plate.

5. fixed structure according to claim 1, it is characterised in that

The installing plate has multiple and is disposed on along lengths of frame direction on two side plates.

6. fixed structure according to claim 5, it is characterised in that

The installing plate cuts backward internal bend by the body of two side plates of the framework and formed.

7. fixed structure according to claim 5, it is characterised in that

Each installing plate is horizontally located above the bottom of the U-lag of the framework.

8. fixed structure according to claim 1, it is characterised in that

The mounting groove for installing self-aggregation lens is provided with the bottom of the U-lag of the framework.

9. a kind of optical printer head, it is characterised in that including the fixed structure as described in claim 1-8 is any.

10. a kind of image processing system, it is characterised in that including：

Original copy feedway, for placing original copy, so that the information on original copy can be read；

Scanning element, scan manuscript is to obtain optical analog picture signal, including the optical printer head described in claim 9；

Image forming part, the optical analog picture signal is changed toner image is formed to photographic department；

Transfer section, output after the toner image that will be formed on the photographic department is transferred on medium.