CN209311856U - A kind of imaging device and color laser printer - Google Patents
A kind of imaging device and color laser printer Download PDFInfo
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- CN209311856U CN209311856U CN201821947255.9U CN201821947255U CN209311856U CN 209311856 U CN209311856 U CN 209311856U CN 201821947255 U CN201821947255 U CN 201821947255U CN 209311856 U CN209311856 U CN 209311856U
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- photosensitive drums
- polygon prism
- imaging
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Abstract
The utility model relates to electronic technology fields, and in particular to a kind of imaging device and color laser printer.Wherein imaging device includes, at least two for emitting the laser emitter of imaging laser beam, rotatable photosensitive drums corresponding with the quantity of the laser emitter, share reflection unit, it is arranged between the laser emitter and the photosensitive drums, the shared reflection unit is imaged for the corresponding laser beam to be reflected into the corresponding photosensitive drums, and the shared reflection unit is rotatable, and corresponding the reflected beams are scanned along the corresponding photosensitive drum shaft to completion.It covers imaging unit instead of in the prior art more, and the miniaturization of imaging device may be implemented.
Description
Technical field
The utility model relates to electronic technology fields, and in particular to a kind of imaging device and color laser printer.
Background technique
Working of laser printer principle is the data information transmitted by computer, is converted into video letter by Video Controller
Number, then vision signal is converted into laser-driven signal, the laser beam for being loaded with character information is then generated by laser scanning system,
It is finally to make laser beam image by electrophotographic system and be transferred on paper.Compared with other printing devices, laser printer has printing
The advantages that speed is fast, image quality is high, but use cost is relatively high.
Existing laser printer, the laser beam launched by laser inject audio-optical deflection modulator through reflecting mirror, with
This simultaneously, the binary system picture and text lattice information sent by computer is sent from interface to character generation unit, two of font needed for being formed
System pulse information controls high frequency oscillator by the signal that synchronizer generates, then adds to through frequency synthesizer and power amplifier
On acousto-optic modulator, the laser beam injected by reflecting mirror is modulated.Modulated light beam injects multiple surface rotating mirror, then through wide-angle
Focus lamp is incident upon on photosensitive drum surface after light beam is focused, and angular speed scanning is made to become linear velocity scanning, is completed entire scanned
Journey.In color laser printer, by taking four color laser printers as an example, paper transmission primaries in machine pass through CMYK respectively
Four imaging units can export color image, and this kind of laser printer needs above-mentioned four sets of imaging units, and volume is big,
Cause package size that can not be made smaller.
Utility model content
Therefore, the technical problem to be solved by the present invention is to overcome color laser printer complete machine ruler in the prior art
Very little big defect, to provide the imaging device that can further decrease volume and the color laser printing with the imaging device
Machine.
In order to solve the above technical problems, the technical solution adopted in the utility model is as follows:
The utility model provides a kind of imaging device, comprising:
Laser emitter, at least provided with two, for emitting imaging laser beam；
Photosensitive drums, quantity is corresponding with the quantity of the laser emitter, and the photosensitive drums are in the first driving mechanism
The lower rotation of driving；
Reflection unit is shared, is arranged between the laser emitter and the photosensitive drums, the shared reflection unit is used
It is imaged in the corresponding laser beam to be reflected into the corresponding photosensitive drums, and the shared reflection unit is in the second driving
It is rotated under the driving of mechanism, the shared reflection unit for each revolution, makes corresponding the reflected beams along corresponding described photosensitive
Bulging axial one end is moved to the other end and back and forth completes preset times scanning；Wherein, corresponding the reflected beams are every completes once
Scanning, the photosensitive drums are corresponding to complete circumferentially rotating for a pixel distance.
In above-mentioned imaging device, the shared reflection unit is polygon prism column, and the side wall of the polygon prism column utilizes difference
The laser beam is reflected in position.
In above-mentioned imaging device, at least two laser emitters are located at different positions relative to the polygon prism column
It sets, imaging laser beam is emitted with mutually different angle.
In above-mentioned imaging device, when the polygon prism column is static, the laser beam of all laser transmitter projects according to
It is mapped on the same side wall of polygon prism column.
Preferably, the polygon prism column may be selected to be quadrangle polygon prism, pentagon polygon prism or hexagon polygon prism
One of.
Preferably, the laser emitter and the photosensitive drums are disposed as four, four photosensitive drums are used respectively
It is imaged in tetra- color of CMYK.
The utility model additionally provides a kind of color laser printer, including above-mentioned imaging device.
The technical solution of the utility model compared with prior art, has the advantages that
1. imaging device provided by the utility model, including at least two for emitting imaging laser beam Laser emission
Device, photosensitive drums corresponding with the quantity of the laser emitter, and setting the laser emitter and the photosensitive drums it
Between shared reflection unit；The setting of a set of reflection unit is shared in this way, i.e., from different perspectives by different laser emitters
Transmitting laser beam is radiated on shared polygon prism column, different laser beams guided by optical path be radiated at respectively it is different photosensitive
On drum, to complete the imaging job of photosensitive drums, covers imaging unit instead of in the prior art more, eliminate laser scanning list
The occupied space of prism in member, may be implemented the miniaturization of imaging device.
2. the reduction of the polygon prism column of imaging device can make because imaging is rotated with polygon prism column in imaging process high speed
Total noise of centrifuge level is significantly suppressed.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the imaging device provided in the utility model embodiment 1；
Description of symbols:
1- shares reflection unit；2- laser emitter；3- photosensitive drums；21-C color imaging Laser emitting diode；22-M color
Imaging Laser emitting diode；23-Y color imaging Laser emitting diode；24-K color imaging Laser emitting diode；31-C color at
As photosensitive drums；32-M color imaging photosensitive drum；33-Y color imaging photosensitive drum；34-K color imaging photosensitive drum.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
In addition, as long as technical characteristic involved in the utility model different embodiments disclosed below is each other
Not constituting conflict can be combined with each other.
Embodiment 1
As shown in Figure 1, a kind of imaging device is present embodiments provided, including laser emitter 2, at least provided with two,
For emitting imaging laser beam；Laser emitter 2 may be selected to be laser diode；
Photosensitive drums 3, quantity is corresponding with the quantity of the laser emitter 2, and the photosensitive drums 3 are in the first driving mechanism
Driving under rotate；
Reflection unit 1 is shared, is arranged between the laser emitter 2 and the photosensitive drums 3, the shared reflection unit
1 is imaged for the corresponding laser beam to be reflected into the corresponding photosensitive drums 3, and the shared reflection unit 1 is the
It is rotated under the driving of two driving mechanisms, corresponding the reflected beams are along the axial completion scanning of the corresponding photosensitive drums 3.It is described to share
Reflection unit 1 rotates a circle, and the one end of the reflected beams in the photosensitive drums 3 back and forth completes the axis of preset times to the other end
To scanning, wherein scanning each time, the scanning of a pixel distance in photosensitive drums width direction is both corresponded to.Meanwhile the sense
Light drum 3 cooperates the axial scan of the reflected beams and rotates in a circumferential direction also under the driving of the first driving mechanism, wherein corresponding
The every completion single pass of the reflected beams, the photosensitive drums are corresponding to complete circumferentially rotating for a pixel distance.
Imaging device provided in this embodiment, including at least two for emitting imaging laser beam laser emitter, with
The corresponding photosensitive drums of the quantity of the laser emitter, and being total between the laser emitter and the photosensitive drums is set
Use reflection unit；The setting of a set of reflection unit is shared in this way, i.e., is emitted from different perspectives by different laser emitters and swashed
Light beam is radiated on shared polygon prism column, and different laser beams is radiated in different photosensitive drums respectively by optical path guiding,
To complete Polaroid operation, covers imaging unit instead of in the prior art more, eliminate prism in laser scan unit
The miniaturization of imaging device may be implemented in occupied space.
As preferred embodiment, the shared reflection unit 1 is polygon prism column, and the side wall of the polygon prism column utilizes
Different location reflects the laser beam.At a certain moment of the imaging device imaging process, described in the polygon prism column reflection
The side wall of laser beam can be the same side wall, the side wall that can also be different.The polygon prism column may be selected to be quadrangular, five ribs
Column, hexagonal prisms etc. reflect the laser beam by side wall and can be realized by the rotation of its own to sense as long as can be realized
The axial scanning of light drum.Preferably, as shown in Figure 1, the polygon prism column is hexagon polygon prism column.
When polygon prism column is hexagon polygon prism column, the image scanning mode of the photosensitive drums is as follows: polygon prism column is the
It rotates a circle under the driving of two driving mechanisms, it is back and forth complete that the one end of the reflected beams in the photosensitive drums 3 is moved to the other end
At 6 scanning；And the reflected beams one end of every completion, to the axial scan of the other end, the photosensitive drums are in the first driving machine
Under the driving of structure, circumferentially rotating for a pixel distance is completed.
As preferred embodiment, in above-mentioned imaging device, at least two laser emitters 2, relative to described
Polygon prism column is located at different positions, emits imaging laser beam with mutually different angle.As shown in Figure 1, with polygon prism column
As reference data when static, the polygon prism column reflects the side wall of the laser beam when being the same side wall, all described to swash
Optical transmitting set 2 is respectively positioned on the same side of the side wall of the polygon prism column of reflection laser beam.Described in polygon prism column reflection
When the side wall of laser beam is different lateral, the laser emitter can be separately positioned on polygon prism column according to the reflective side walls
It is not ipsilateral, to realize the flexible arrangement of imaging device internal structure.
In above-mentioned imaging device, the quantity of laser emitter 2 and the photosensitive drums 3 can be according to the imaging demand of imaging device
It is set as any number of, preferably, as shown in Figure 1, the laser emitter 2 and the photosensitive drums 3 are disposed as four, four
A photosensitive drums are respectively used to the imaging of tetra- color of CMYK.
Embodiment 2
A kind of color laser printer is present embodiments provided, including imaging device described in embodiment 1.Using shared
The imaging device of a set of reflection unit covers imaging unit instead of in existing color printer more, eliminates laser scanning list
The occupied space of reflection unit in member, may be implemented the miniaturization of color laser printer.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes among the protection scope created still in the utility model.
Claims (7)
1. a kind of imaging device characterized by comprising
Laser emitter, at least provided with two, for emitting imaging laser beam；
Photosensitive drums, quantity is corresponding with the quantity of the laser emitter, and the photosensitive drums are in the driving of the first driving mechanism
Lower rotation；
Reflection unit is shared, is arranged between the laser emitter and the photosensitive drums, the shared reflection unit is used for will
The corresponding laser beam is reflected into the corresponding photosensitive drums and is imaged, and the shared reflection unit is in the second driving mechanism
Driving under rotate, the shared reflection unit for each revolution, makes corresponding the reflected beams along the corresponding photosensitive drums
Axial one end is moved to the other end and back and forth completes preset times scanning；Wherein, the every completion single pass of corresponding the reflected beams,
The photosensitive drums are corresponding to complete circumferentially rotating for a pixel distance.
2. imaging device according to claim 1, which is characterized in that the shared reflection unit is polygon prism column, described
The side wall of polygon prism column reflects the laser beam using different location.
3. imaging device according to claim 2, which is characterized in that at least two laser emitters, relative to institute
It states polygon prism column and is located at different positions, imaging laser beam is emitted with mutually different angle.
4. imaging device according to claim 3, which is characterized in that when the polygon prism column is static, all laser
The laser beam of transmitter transmitting is irradiated on the same side wall of polygon prism column.
5. imaging device according to claim 2, which is characterized in that the polygon prism column is quadrangle polygon prism, five sides
Shape polygon prism or hexagon polygon prism.
6. imaging device according to any one of claims 1-5, which is characterized in that the laser emitter and the sense
Light drum is disposed as four, and four photosensitive drums are respectively used to the imaging of tetra- color of CMYK.
7. a kind of color laser printer, which is characterized in that have such as imaging device of any of claims 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821947255.9U CN209311856U (en) | 2018-11-23 | 2018-11-23 | A kind of imaging device and color laser printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821947255.9U CN209311856U (en) | 2018-11-23 | 2018-11-23 | A kind of imaging device and color laser printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209311856U true CN209311856U (en) | 2019-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821947255.9U Active CN209311856U (en) | 2018-11-23 | 2018-11-23 | A kind of imaging device and color laser printer |
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| CN (1) | CN209311856U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111603599A (en) * | 2020-05-09 | 2020-09-01 | 福建新位激光科技有限公司 | Air curtain type laser aerosol disinfection device and use method |
-
2018
- 2018-11-23 CN CN201821947255.9U patent/CN209311856U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111603599A (en) * | 2020-05-09 | 2020-09-01 | 福建新位激光科技有限公司 | Air curtain type laser aerosol disinfection device and use method |
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Address after: 300450 room 310, No.1 Second Street, airport international logistics zone, pilot free trade zone (Airport Economic Zone), Dongli District, Tianjin Patentee after: Zhixiang Technology Co.,Ltd. Address before: 300450 room 310, No.1 Second Street, airport international logistics zone, pilot free trade zone (Airport Economic Zone), Dongli District, Tianjin Patentee before: LENOVO IMAGE (TIANJIN) TECHNOLOGY Co.,Ltd. |