CN2697692Y - Laser printer - Google Patents
Laser printer Download PDFInfo
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- CN2697692Y CN2697692Y CN 200420031405 CN200420031405U CN2697692Y CN 2697692 Y CN2697692 Y CN 2697692Y CN 200420031405 CN200420031405 CN 200420031405 CN 200420031405 U CN200420031405 U CN 200420031405U CN 2697692 Y CN2697692 Y CN 2697692Y
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- laser
- condenser lens
- printer
- print area
- parallel
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Abstract
The utility model discloses a laser printer, comprising a casing, a laser scanning image-forming system, a mechanical transmission system, a sensor and a control system, wherein, in the mechanical transmission system, a first paper press roller is arranged in parallel above a driving paper guide roller, and the driving paper guide roller and the first paper press roller are connected in lines. A driven paper guide roller and a second paper press roller arranged in parallel on the driven paper guide roller are connected in lines. The two lines are parallel; the flat surface where the parallel lines are positioned is the print area which is vertical to the direction of the laser beam outputted by the laser scanning image-forming system. The laser output cluster in the laser scanning image-forming system is installed directly in front of the print area along the laser beam outbound course. The utility model has the advantages of no need for common consumable, low manufacturing cost and use cost, fine definition, high print speed and less noise.
Description
Technical field
The utility model relates to the printing technique of information industry, specifically can realize a kind of laser printer of no material consumption.
Background technology
Printer is as extremely important computing machine output peripheral equipment, and along with the fast development of information industry and popularizing of household PC, it is applied more and more widely.Conventional printer is divided into stylus printer, ink-jet printer, laser printer and thermal cross over class printer four classes substantially.These traditional printers, all need the auxilliary material of expensive printing, as: colour band, print cartridge, ink powder or look wax etc., as the display medium that is printed on the printer paper, need expensive equipment such as print needle, toner cartridge as consumable material, both improve the printing cost, also be not easy to Maintaining of Printer.
The utility model content
The purpose of this utility model is to provide a kind of printing device of no material consumption, thoroughly reduce the production cost of printer and user's use cost, substantially accomplish non-maintaining printing, help further popularizing of printer, bigger social benefit and the economic benefit of performance information industry.
For achieving the above object, the technical solution adopted in the utility model is:
Have housing, laser scanning imaging system, machine driven system and sensor and control system, wherein in the machine driven system, initiatively parallel one first air roll that is provided with in dancing roll top initiatively joins with straight line between the dancing roll and first air roll; Driven dancing roll also joins with straight line with second air roll that is set in parallel in its top, and these two straight lines are parallel to each other, and plane, two parallel lines places is a print area, and is vertical with the beam direction of laser scanning imaging system output; Laser output element group in the laser scanning imaging system is directly installed on the place ahead of this print area along the laser beam outbound course;
Described laser output element group can be the refracting telescope and first reflective mirror, and refracting telescope is installed with first reflective mirror is vertical with beam direction, and its optical centre is arranged in order on the laser beam outbound course;
Described laser output element group can be the condenser lens and second reflective mirror that sets gradually on the laser beam outbound course, by laser beam incident point to second reflective mirror of the optical centre of condenser lens, be the focal length of this condenser lens by this incidence point to the distance on plane, print area place again;
Described laser output element group can be a condenser lens, and the distance of this condenser lens along the laser outbound course to plane, print area place is the focal length of this condenser lens;
The print media that described print area uses can be common printer paper, also can be to soak the private print paper that attached particle is tiny, blackness improves easily.
The utlity model has following advantage:
1. the utility model has reduced the device fabrication cost of manufacturer and user's equipment use cost.The utility model has omitted many valuable equipment than general laser printer, the consumable material expensive as print cartridge, toner cartridge and development roll etc., and need not use conventional consumptive material, significantly reduced manufacturing cost and use cost.
2. the utility model has kept characteristics such as the fast and noise of high definition, the print speed of general laser printer is low.The utility model still can reach common laser printer precision 10
-3The mm order of magnitude, (order of magnitude is 10 than general stylus printer
-1Mm) improve 100 times, (order of magnitude is 10 than ink-jet printer
-2Mm) improve 10 times.
3. literal of the present utility model or image and medium are combined.Normal printer all is to stick on paper or other media by development medium (ink and ink powder), make moist or corrosion environment under fuzzy easily, and literal of the present utility model or image are directly to produce irreversible oxidation reaction on the surface of medium, oxidation depth is shallow on the one hand, do not influence the pliability and the intensity of paper, on the other hand, the direct conjugation of itself and print paper is unrivaled.
4. the utility model adopts two groups of air rolls and dancing roll clamping paper, and the paper print area forms cross-ventilation up and down, helps heat radiation, and is unlikely to other components and parts of calcination.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the structural representation of an embodiment of the utility model laser scanning imaging system;
Fig. 3 is the control block diagram of the utility model sensor and control system;
Fig. 4 is the utility model basic functional principle block diagram.
Embodiment
As Fig. 1～shown in Figure 2, be the utility model structural representation, have housing 1, laser scanning imaging system 2, machine driven system 3 and sensor and control system 4, wherein in the machine driven system 3, initiatively parallel one first air roll 13 that is provided with in dancing roll 14 tops initiatively joins with straight line between the dancing roll 14 and first air roll 13; Driven dancing roll 16 also joins with straight line with second air roll 17 that is set in parallel in its top, and these two straight lines are parallel to each other, and plane, two parallel lines places is a print area 26, and is vertical with the beam direction of laser scanning imaging system 2 outputs; Laser output element group 25 in the laser scanning imaging system 2 is directly installed on the place ahead of this print area 26 along the laser beam outbound course; Described laser output element group 25 can be the refracting telescope 251 and first reflective mirror 252, and refracting telescope 251 is installed with first reflective mirror 252 is vertical with beam direction, and its optical centre is arranged in order on the laser beam outbound course; Described laser output element group 25 can be the condenser lens 253 and second reflective mirror 254 that sets gradually on the laser beam outbound course, by laser beam incident point to second reflective mirror 254 of the optical centre of condenser lens 253, be the focal length of this condenser lens 253 by this incidence point to the distance on plane, print area 26 place again; Described laser output element group 25 can be a condenser lens 253, and the distance on this condenser lens 253 plane, 26 place along the laser outbound course to print area is the focal length of this condenser lens 253; The print media that described print area uses can be common printer paper, also can be to soak the private print paper that attached particle is tiny, blackness improves easily.
Embodiment 1
As above-mentioned structure; housing 1 is intended for the pedestal that each parts installs and fixes; play a supportive role on the one hand; guarantee installation accuracy and intensity between the parts; shield on the other hand, avoid extraneous interference such as dust, influence the normal operation of laser printer; guaranteeing simultaneously that laser is unlikely leaks, and avoids the injury to human body.
Laser scanning imaging system 2 as shown in Figure 2, in the present embodiment, laser output element group 25 is made of the refracting telescope 251 and first reflective mirror 252, and its effect is to reflect away a spot of interfering components in the laser beam, laser beam is deflected, make the width of the sweep limit summary print area of laser beam; Wherein laser instrument 21 is mainly used in the generation LASER Light Source, and the light that laser instrument sends has characteristics such as good directionality, brightness height, coherence be good, concentration of energy.Adopt semiconductor laser in the present embodiment, it is little to have a volume, and cost is low, be convenient to characteristics such as modulation and deflection.
Acousto-optic modulator 22 is mainly used in the modulation type information.Acousto-optic modulator is converted into ultrasound wave with the binary pulse signal that radio-frequency generator transmits, and by ultrasound wave the diffraction characteristic of laser is modulated into corresponding laser beam.Laser generates 0 rank diffraction light and 1 rank diffraction light through diffraction grating, and 0 rank diffraction light does not deflect, and 1 rank diffraction light will deflect.Different frequency can form the multiple laser bundle by the deflection angle difference of acousto-optic modulator.
Many ribs scanning mirror 23 is by the scan module driven in rotation, laser radiation is (many ribs scanning mirror adopts six prisms in the present embodiment) on the polygon prism face, in the minute surface rotation, each minute surface is finished once the reflection to laser respectively, form a transversal scanning, so many ribs scanning mirror has the high characteristics of scan efficiency, can significantly improve print speed.
The effect of synchronizer 24 is to receive 0 rank diffraction light by synchro pick-up, with the CPU in this detection signal input control system, CPU after treatment, send synchronic command, the start and stop of control high frequency signal generator, to guarantee the consistance of sweep span, eliminate because the scanning errors that rotation of many ribs scanning mirror and mechanical vibration produce, keep the even of the longitudinal pitch of scanning and character track.
Machine driven system mainly is responsible under the control of control system, finishes the automatic transmission work of print paper, keeps the stationarity and the continuity of paper feed, realizes the longitudinal scanning of character simultaneously.As shown in Figure 1, under the driving of chart drive motor 11, the feed rollers 12 that is installed on these chart drive motor 11 output terminals begins to rotate, to feed slot 15 conveyance of sheets, enter the print area 26 that under the clamping action of first air roll 13, active dancing roll 14, second air roll 17 and driven dancing roll 16, forms.
As shown in Figure 3, in sensor and the control system 4, sensor is mainly used in the duty that detects each parts of printer, and is transferred to control system, and the realization automatic safe is printed reliably.The utility model embodiment adopts photoelectric sensor to realize printer paper is lacked paper control, paper feeding and paper delivery control, light source detection, back gauge detection, and laser safety control etc., and adopt pushbutton switch, light emitting diode to realize manually-operated control and demonstration; Control system essence is exactly a powerful Single Chip Microcomputer (SCM) system, comprises four big functional modules, i.e. microprocessor CPU, random access memory ram, read only memory ROM and I/O interface, and its control block diagram is as shown in Figure 4.Microprocessor CPU is as controlling core, excitation laser light source and modulated beam of light, the message exchange control task of responsible I/O interface circuit and intercomputer, the control information that reception guidance panel and sensor send, operations such as driving of control paper feed and turntable driving.
Basic functional principle block diagram of the present utility model as shown in Figure 4, after printer interface is received the print command of computing machine transmission, numerical information by the buffer memory receiving computer, through data-switching numerical information is converted to the type information that printer can be discerned, amplify the rear drive high frequency oscillator through preceding system, laser instrument 21 sends light beam, and driving acousto-optic modulator 22 is modulated.The characteristic of utilizing 0 rank diffraction light not deflect, the single-chip microcomputer in the control system are by the detection signal control synchro 24 of synchro pick-up input and the start and stop of high-frequency signal, thereby realization synchronously, eliminates scanning errors; Utilize 1 rank diffraction light record print data information, horizontal and vertical scanning is finished in the rotation of dancing roll in rotation by many ribs scanner 23 and the machine driven system 3.Directly utilize the thermal effect of fabulous directivity of laser and concentration of energy, at printer paper or other surface of print media, absorb the energy that arrives laser instrument by medium, tiny area (micron order) at dielectric surface produces irreversible chemical oxidation, form the oxidation blackspot, its color or texture and not irradiation area difference come, principle according to dot matrix group word or dot matrix picture group, electric signal is converted into character image, photomechanical printing is on print media (being common printer paper in the present embodiment), thus realization dot matrix group word or dot matrix picture group.
Embodiment 2
As shown in Figure 1, be with the difference of embodiment 1: laser output element group 25 is one group of optical lens, the condenser lens 253 that on the laser beam outbound course, sets gradually and second reflective mirror 254, by the optical centre of the condenser lens 253 laser beam incident point to second reflective mirror 254, be that laser beam focused on to the distance on plane, print area 26 place for the focal length of this condenser lens 253 mainly acts on by this incidence point again, eliminate light diffuse reflection in communication process, to form the light beam of standard, improve the precision of light beam, last direct irradiation (print media is common printer paper in the present embodiment) on print media forms the laser chemistry oxidation to printer paper.
Embodiment 3
Be with the difference of embodiment 1 and embodiment 2: laser output element group 25 is a condenser lens 253, the distance on this condenser lens 253 plane, 26 place along the laser outbound course to print area is the focal length of this condenser lens 253, laser beam by its output directly acts on (print media is common printer paper in the present embodiment) on the print media, and plane, print area 26 place is vertical with the beam direction of condenser lens 253 outputs.
Claims (5)
1. laser printer, have housing (1), laser scanning imaging system (2), machine driven system (3) and sensor and control system (4), it is characterized in that: in the machine driven system (3), initiatively parallel one first air roll (13) that is provided with in dancing roll (14) top initiatively joins with straight line between dancing roll (14) and first air roll (13); Driven dancing roll (16) also joins with straight line with second air roll (17) that is set in parallel in its top, and these two straight lines are parallel to each other, plane, two parallel lines places is print area (26), and is vertical with the beam direction of laser scanning imaging system (2) output; Laser output element group (25) in the laser scanning imaging system (2) is directly installed on the place ahead of this print area (26) along the laser beam outbound course.
2. by the described a kind of laser printer of claim 1, it is characterized in that: described laser output element group (25) can be refracting telescope (251) and reflective mirror (252), refracting telescope (251) is installed with reflective mirror (252) is vertical with beam direction, and its optical centre is arranged in order on the laser beam outbound course.
3. by the described a kind of laser printer of claim 1, it is characterized in that: described laser output element group (25) can be condenser lens (253) and the reflective mirror (254) that sets gradually on the laser beam outbound course, by the optical centre of condenser lens (253) to reflective mirror (254) incidence point, be the focal length of this condenser lens (253) by this incidence point to the distance on print area (26) plane, place again.
4. by the described a kind of laser printer of claim 1, it is characterized in that: described laser output element group (25) can be a condenser lens (253), and the distance on this condenser lens (253) (26) plane, place along the laser outbound course to print area is the focal length of this condenser lens (253).
5. by the described a kind of laser printer of claim 1, it is characterized in that: the print media that described print area (26) uses can be common printer paper, also can be to soak the private print paper that attached particle is tiny, blackness improves easily.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420031405 CN2697692Y (en) | 2004-04-30 | 2004-04-30 | Laser printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420031405 CN2697692Y (en) | 2004-04-30 | 2004-04-30 | Laser printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2697692Y true CN2697692Y (en) | 2005-05-04 |
Family
ID=34772426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420031405 Expired - Fee Related CN2697692Y (en) | 2004-04-30 | 2004-04-30 | Laser printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2697692Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102275393A (en) * | 2011-05-24 | 2011-12-14 | 沈庆朋 | Part detector for laser printer |
| CN102310657A (en) * | 2010-06-30 | 2012-01-11 | 东南大学 | Inkless ecological hot baking printing method and printing head device |
| CN102555519A (en) * | 2011-12-27 | 2012-07-11 | 东南大学 | Inkless laser ecological printing method |
| CN105142917A (en) * | 2013-03-26 | 2015-12-09 | 托卡诺控股有限公司 | Device and method for the selective carbonization of paper |
-
2004
- 2004-04-30 CN CN 200420031405 patent/CN2697692Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102310657A (en) * | 2010-06-30 | 2012-01-11 | 东南大学 | Inkless ecological hot baking printing method and printing head device |
| CN102275393A (en) * | 2011-05-24 | 2011-12-14 | 沈庆朋 | Part detector for laser printer |
| CN102555519A (en) * | 2011-12-27 | 2012-07-11 | 东南大学 | Inkless laser ecological printing method |
| CN105142917A (en) * | 2013-03-26 | 2015-12-09 | 托卡诺控股有限公司 | Device and method for the selective carbonization of paper |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050504 |