CN206610085U - 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, for installing the organic electroluminescent component, the middle part of the length direction of the organic electroluminescent component is fixed by binding agent with the framework.The utility model makes organic electroluminescent component only be fixed by middle part with framework, can be extended after organic electroluminescent component is heated with fixing point along its axial two ends deformation, can reduce to greatest extent because high temperature and caused by organic electroluminescent component optical axis position offset the problem of.In addition, organic electroluminescent component is fixed using middle part with framework so that the contact heat transfer that framework is subject to also is reduced, thus between framework and organic electroluminescent component because caused by linear expansion coefficient is different warping phenomenon can also be improved.

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, more particularly to a kind of to improve the image matter obtained during the condition of high temperature The fixed structure of the optical printer head of amount, and the optical printer head using the fixed structure and the image using the optical printer head are formed Device.

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 the organic electroluminescent component 161 using the organic electroluminescent component 161 of optical printer head as exposure light source General to use LASER Light Source or LED/light source, operationally temperature can be raised organic electroluminescent component 161, and cooling means is that having The radiator 162 of the high metallicity of pyroconductivity is pasted at the back side of electromechanical light-emitting component 161, is radiated, as shown in Figure 2.But It is that this method is different from the linear expansion coefficient of organic electroluminescent component 161 because of radiator 162, two parts can be made in high temperature Prolonged expansion amount produce difference, so as to produce warpage as shown in Figure 3, the warpage can cause organic electroluminescent component 161 Optical arrangement position changes, and then deteriorates the optical analog quality of image signals of acquisition.

To solve warpage issues, use fix one end of organic electroluminescent component 161 with radiator 162 in the prior art Mode, make the other end that there is the free degree of length direction, although this method will not cause radiator 162 and organic electroluminescent member Part 161 produces warpage, but can make the optical axis of organic electroluminescent component 161 that larger skew occur with the movement of free end, no The optical analog quality of image signals finally obtained can be changed.

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, for installing the organic electroluminescent component, the middle part of the length direction of the organic electroluminescent component leads to Binding agent is crossed to fix with the framework.

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 mounting table, for placing or conveying original copy；

Scanning element, scan manuscript is to obtain optical analog picture signal, and the scanning element includes foregoing light and printed 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 utility model makes organic electroluminescent component only be fixed by middle part with framework, meeting after organic electroluminescent component is heated Extended with fixing point along its axial two ends deformation, can reduce to greatest extent because high temperature and caused by organic electroluminescent component optical axis The problem of position is offset.In addition, organic electroluminescent component is fixed using middle part with framework so that the contact heat transfer that framework is subject to Also reduce, thus between framework and organic electroluminescent component because caused by linear expansion coefficient is different warping phenomenon can also be changed It is kind.

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 scheme of installation of organic electroluminescent component and radiator in the prior art；

Warped state schematic diagram when Fig. 3 is the organic electroluminescent component and radiator high temperature shown in Fig. 2；

Fig. 4 is the fixed structure decomposing state schematic diagram of the optical printer head of one embodiment of the utility model；

Fig. 5 is the structural representation of the fixed structure shown in Fig. 4 at A-A；

Fig. 6 is the structural representation of the fixed structure of another embodiment of the utility model；

Fig. 7 is fixed structure shown in Fig. 6 in the structural representation shown in Fig. 4 at B-B；

Fig. 8 is variable condition schematic diagram of the fixed structure shown in Fig. 6 in high temperature.

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

The organic electroluminescent component 161 realizes the acquisition of original image, usually glass system by the exposure after energization Tabular part.

The framework 163 is used to install organic electroluminescent component 161 and radiate, and specific fixed structure is：Organic electroluminescent The middle part of the length direction of element 161 is fixed by binding agent 164 and framework.Here fixation refers to organic electroluminescent component 161 with the fixing point of framework, in 161 high temperature of organic electroluminescent component, the adhesive spots of opposing frame 163 will not produce relative shifting It is dynamic.In the case where reaching the mesh ground, the bonding scope of binding agent 164 can be as far as possible small, to reduce the contact surface with framework 163 Product.

Above-mentioned fixed structure can be such that organic electroluminescent component 161 is only fixed by middle part with framework 163, in Organic Electricity hair During 161 high temperature of optical element, different from the linear expansion coefficient of organic electroluminescent component 161 even if framework 163 is also not in warpage Phenomenon.It can be extended after organic electroluminescent component 161 is heated with fixing point along its axial two ends deformation, the deformation, which is that one kind is symmetrical, to be become Shape, the deformation for each direction can be preferably minimized amplitude, can reduce to greatest extent because high temperature and caused by Organic Electricity hair The problem of optical axis position of optical element 161 is offset.In addition, organic electroluminescent component 161 is fixed using middle part with framework 163 so that Framework 163 because caused by contact heat transfer also reduce, therefore between framework 163 and organic electroluminescent component 161 because line expand Warping phenomenon can also be improved caused by coefficient is different.Framework 163 is straight except the fixing point with organic electroluminescent component 161 Connect outside heat transfer, other parts all absorb the heat around organic electroluminescent component 161 by the way of absorbing heat indirectly.

Present embodiment can both ensure the fixing intensity between organic electroluminescent component 161 and framework 163, reduce due to Warping phenomenon caused by linear expansion coefficient is different, can reduce change of the optical axis of organic electroluminescent component 161 in high temperature again Shape amplitude, improves image quality effect during exposure.

In an embodiment of the present utility model, framework 163 can use the structure of inverted U-channel, i.e. framework 163 Radial section is U-shaped, and the bottom of framework 163 is above during installation, and organic electroluminescent component 161 is arranged in framework 163, and Light-emitting area can pass through binding agent 164 and the U-shaped of framework 163 towards the U-lag bottom of framework 163, organic electroluminescent component 161 Trench bottom or two sides bonding, the length of framework 163 can be corresponding with the length of organic electroluminescent component 161, using U-lag knot Structure can improve the intensity of framework 163, deformation resistivity when enhancing framework 163 is heated, while can stop that Organic Electricity is sent out Optical element 161 is leaked in the light of width.

As shown in figure 5, in an embodiment of the present utility model, can two sides of framework 163 middle part It She Zhi be arranged on respect to protrusion and the location-plate 1631 of level, two pieces of location-plates 1631 in the U-shaped side height of framework 163 Portion, and fixed by the medial surface of a side and the U-shaped side of framework 163, in the case of height identical, two pieces of location-plates The distance specified is spaced between 1631, the distance needs the light quantity passed through relevant with organic electroluminescent component 161, organic electroluminescent Element 161 is adhesively fixed with two pieces of location-plates 1631 respectively by light-emitting area using binding agent 164.Using the knot of location-plate 1631 Structure can make the segment distance of U-shaped bottom interval one of organic electroluminescent component 161 and framework 163, it is to avoid organic electroluminescent component 161 Directly contacted with framework 163, to adjust the luminous distance of organic electroluminescent component 161.The size of location-plate 1631 can pass through Can the binding agent 164 of smearing fix organic electroluminescent component 161 for standard.

In an embodiment of the present utility model, the location-plate 1631 can by framework 163 two U-lag side plates Body cut 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 The side plate cut out ultimately forms the location-plate 1631 with side plate one not cut off side to the internal bend of framework 163.This implementation Mode can simplify the installation of installing plate 1631.In addition, position of the side plate after the bending of location-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 The position of through hole 1632 correspondence on individual side plate, is more conducive to form heat exchange.In other embodiments, the location-plate 1631 can Multiple to set, such as 1-3, the same quantity of through hole 1632 is also accordingly increased.

Further, in an embodiment of the present utility model, it can also be set in the U-lag bottom of framework 163 The mounting groove 1632 of self-aggregation lens 165 is installed.GRIN Lens 165 is used to gather the diffusion light of organic electroluminescent component 161 Collect on photographic department, self-aggregation lens 165 can be arranged in mounting groove 1632 by the way of clamping or bonding.

, as shown in Figure 6,7, can be by the length of organic electroluminescent component 161 in an embodiment of the present utility model Spend two side flexible fastenings of the two ends by binding agent 164 and framework 163.Because organic electroluminescent component 161 is arranged on framework After in 163, the inner surface of its entirety and framework 163 all has certain interval, therefore, the two ends of organic electroluminescent component 161 Fixed form can be：Space between organic electroluminescent component 161 and two sides of framework 163 is filled using binding agent 164.

Here flexible fastening refers to, it is not necessary to fix at the two ends of organic electroluminescent component 161 with framework 163 completely Extremely, but make the two ends of organic electroluminescent component 161 and the formation connection status of framework 163, it is organic under the connection status Its two ends when heated of electroluminescent element 161 can drive binding agent 164 to move, and the displacement corresponds to organic electroluminescent member Deflection after part 161 is heated, makes organic electroluminescent component 161 after heating, the binding agent that the center portion thereof position is fixed at middle part It is motionless under 164 fixations, and two ends can drive the binding agent 164 at two ends to move, as shown in Figure 8.

The binding agent 164 at two ends can apply an elastic pulling force in the two ends deformation of organic electroluminescent component 161, While 161 warpage of organic electroluminescent component is not caused, the expansion between organic electroluminescent component 161 and framework 163 is relaxed Difference, in the case where focal length caused by not producing due to warpage changes, it is ensured that the exposure of high image quality.

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, for installing the organic electroluminescent component, the middle part of the length direction of the organic electroluminescent component, which passes through, glues Knot agent is fixed with the framework.

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

The framework is inverted U-shaped slot structure, and the organic electroluminescent component is arranged in the U-lag of the framework.

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

The location-plate being oppositely arranged, the organic electroluminescent member are respectively arranged with the middle part of two side edge length directions of the framework Part is fixed on the location-plate by bonding agent.

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

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

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

The quantity of the location-plate is 1-3.

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

Position after two side plates bending location-plate of the framework forms heat emission hole.

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

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

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

The length two ends of the organic electroluminescent component pass through binding agent and two side inner surface bullets of the inverted U-channel of the framework Property is fixed.

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.