CN1928734A - Fixation device - Google Patents
Fixation device Download PDFInfo
- Publication number
- CN1928734A CN1928734A CN 200510098283 CN200510098283A CN1928734A CN 1928734 A CN1928734 A CN 1928734A CN 200510098283 CN200510098283 CN 200510098283 CN 200510098283 A CN200510098283 A CN 200510098283A CN 1928734 A CN1928734 A CN 1928734A
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- thermal
- fluorescent tube
- fixing device
- arrest cylinder
- cylinder
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Abstract
The fusing device for laser printer comprises: a reflection cover with a heating tube inside, a heat-collection cylinder under the tube and adjoined with the cover, and a heating cylinder under the last cylinder to rotated contact with it. Wherein, the axes of the tube and two cylinders are paralleled. This invention improves heat energy utility greatly to reduce heating time and power consumption.
Description
Technical field
The invention relates to a kind of fixing device, particularly about a kind of fixing device of laser printer.
Background technology
In general, present laser printer mainly is to utilize heating and pressing mode to reach the purpose that ink powder is being decided, and then can adopt halogen lamp tube or ceramic heating flake etc. as heating source as for the mode that heats.
With reference to Fig. 1, after paper P enters known laser printer 1, laser scan unit (laser scan unit, LSU) 11 laser projections that can will contain image data are imaged on the light-sensitive roller 12, simultaneously, powder box (toner cartridge) 13 can with on the imaging region of ink powder attached to light-sensitive roller 12 in the powder box 13, be followed by cylinder 14, and rotating light-sensitive roller 12 can will contain the ink powder of image data attached on the paper P continuously.At last, paper P can pass through fixing device 15, and by fixing device 15 ink powder is being decided really on paper P.
With reference to Fig. 2, fixing device 15 is made of a hollow thermal-arrest cylinder 16, a pressing roller 17 and a halogen lamp tube 18.Halogen lamp tube 18 is arranged in the hollow thermal-arrest cylinder 16, and pressing roller 17 is to form to roll with hollow thermal-arrest cylinder 16 with pressuring method to contact.When deciding ink powder on paper P with fixing device 15, halogen lamp tube 18 can generate heat, and its heat can be passed on the peripheral surface of hollow thermal-arrest cylinder 16 in thermal-radiating mode.Then, by the rotation of hollow thermal-arrest cylinder 16 and pressing roller 17, the heat effect of hollow thermal-arrest cylinder 16 and the pressurization of pressing roller 17, can continuously ink powder decided really on paper P.
Yet, utilize fixing device 15 that ink powder is being decided can have many shortcomings on paper.At first, since halogen lamp tube 18 be with thermal-radiating mode with its heat transferred to the peripheral surface of hollow thermal-arrest cylinder 16, so the caloric requirement of halogen lamp tube 18 required generations relatively improves.Secondly, because halogen lamp tube 18 is arranged in the hollow thermal-arrest cylinder 16, so hollow thermal-arrest cylinder 16 must have a certain size volume, in this case, it is long-pending that hollow thermal-arrest cylinder 16 will have bigger peripheral surface, and if halogen lamp tube 18 is will be with its heat transferred to the peripheral surface of whole hollow thermal-arrest cylinder 16, its needed heat time heating time will be longer, thereby can make fixing device longer 15 needed preheating times, and then can cause the whole power consumption of laser printer 1 to increase, and influence the convenience that laser printer 1 uses.Moreover, because fixing device 15 does not have any effective attemperator, so the most of heat therefrom peripheral surface of the hot cylinder 16 of empty set is emitted in the laser printer 1, the heat energy utilization rate of halogen lamp tube 18 is reduced, but also the temperature of other element in the laser printer 1 is raise, and then cause the damage of laser printer 1 easily.
In addition, be to replace halogen lamp tube as heating source though some known fixing devices are arranged in addition with ceramic heating flake, the price of ceramic heating flake is very expensive, and the internal structure meeting of its fixing device is quite complicated.
Summary of the invention
For addressing the above problem, feature of the present invention is described in detail as follows, that is: the present invention is applicable to laser printer, and comprises a reflex housing; One heating fluorescent tube is arranged in this reflex housing; One thermal-arrest cylinder is arranged on this heating fluorescent tube below, and with this reflex housing adjacency, wherein, this thermal-arrest cylinder is to open separately with this heating fluorescent tube at a certain distance, and the axis parallel of this thermal-arrest cylinder heats the axle center of fluorescent tube in this; And a pressing roller, be arranged on this thermal-arrest cylinder below, and be that wherein, the axis parallel of this pressing roller is in the axle center of this thermal-arrest cylinder with roll mode and this thermal-arrest cylinder butt.
Simultaneously, according to fixing device of the present invention, this reflex housing has one and is the cross section of U-shaped haply, and have a curved portions, two linear portion and an opening, these linear portion are connected in the two ends of this curved portions respectively, and this opening is between these linear portion, and is and relative with this curved portions, this thermal-arrest cylinder is arranged in this opening, and this heating fluorescent tube is arranged between this curved portions and this opening.
In the present invention, this A/F equals the diameter of this thermal-arrest cylinder.
In the present invention, this fixing device also comprises a heat insulation layer, and this heat insulation layer is coated on outside this reflex housing.
In the present invention, this heating fluorescent tube can be a halogen lamp tube.
In the present invention, the diameter of this thermal-arrest cylinder more than or equal to or less than this heating fluorescent tube diameter.(diagram be greater than situation)
Because the coating of reflex housing, so being emitted to the outer heat of reflex housing can lack in the extreme, therefore, the heat energy utilization rate of heating fluorescent tube just can significantly promote, and then can shorten the preheating time of fixing device, the whole power consumption of reduction laser printer and the temperature rising that prevents other element in the laser printer.
Description of drawings
Fig. 1 is the organigram of the known laser printer of expression;
Fig. 2 is the front view according to one of Fig. 1 known fixing device;
Fig. 3 is the organigram that the laser printer of fixing device of the present invention is used in expression;
Fig. 4 is the schematic perspective view of expression fixing device of the present invention;
Fig. 5 is the side view of expression fixing device of the present invention.
Embodiment
For above-mentioned purpose of the present invention, feature and advantage can be become apparent, hereinafter lift preferred embodiment and cooperate appended diagram to elaborate.
Cooperate and illustrate preferred embodiment of the present invention.
With reference to 4 figure and Fig. 5, fixing device 100 mainly includes a reflex housing 110, a heat insulation layer 120, heating fluorescent tube 130, a thermal-arrest cylinder 140 and a pressing roller 150.
Heating fluorescent tube 130 is arranged in the reflex housing 110, and between curved portions 111 and opening 113.In the present embodiment, heating fluorescent tube 130 can be a halogen lamp tube.
Thermal-arrest cylinder 140 is arranged on heating fluorescent tube 130 belows, and with reflex housing 110 adjacency.More detailed, thermal-arrest cylinder 140 is arranged among the opening 113, and thermal-arrest cylinder 140 be at a certain distance with heating 130 alternate separating of fluorescent tube, its distance is decided on the size of thermal-arrest cylinder 140 and the size of heating fluorescent tube 130 and the radius-of-curvature of reflex housing 110.In addition, the axis parallel of thermal-arrest cylinder 140 is in the axle center of heating fluorescent tube 130.In the present embodiment, the width of opening 113 equals the diameter of thermal-arrest cylinder 140 haply, and thus, reflex housing 110 can form with thermal-arrest cylinder 140 and be closed construction haply.
Shown in Figure 3, when the paper P that is attached with ink powder by fixing device 100 thermal-arrest cylinder 140 and pressing roller 150 between the time, by the rotation of thermal-arrest cylinder 140 and pressing roller 150, the heat effect of thermal-arrest cylinder 140 and the pressurization of pressing roller 150, can reach the purpose of continuously ink powder being decided really on paper P.
As mentioned above, when fixing device 100 work, heating fluorescent tube 130 can generate heat, at this moment, the heat that heating fluorescent tube 130 is produced directly is passed to the thermal-arrest cylinder 140 in thermal-radiating mode except meeting, also can be passed on the thermal-arrest cylinder 140 with the reflection of thermal-radiating mode via reflex housing 110, thus, the heating heat that fluorescent tube 130 produced can promptly be absorbed by thermal-arrest cylinder 140.Particularly coated with heat insulation layer 120 owing to reflex housing 110, so being emitted to reflex housing 110 outer heats can lack in the extreme, therefore, the heat energy utilization rate of heating fluorescent tube 130 just can significantly promote, and then can shorten the preheating time of fixing device 100, the whole power consumption of reduction laser printer 1 ' and the temperature rising that prevents other element in the laser printer 1 '.Be arranged between curved portions 111 and the opening 113 though it should be noted that heating fluorescent tube 130, can adjust its position and make the reflection efficiency of reflex housing 110 promote more.In addition, in order to promote the collecting efficiency of thermal-arrest cylinder 140 more, the volume of thermal-arrest cylinder 140 can more reduce, for example, the diameter of thermal-arrest cylinder 140 can be the diameter that is equal to or less than heating fluorescent tube 130, thus, the peripheral surface of thermal-arrest cylinder 140 is long-pending promptly can significantly to be reduced, and heating thermal-arrest cylinder 140 to the needed time of specified temp also can significantly shorten, simultaneously, because the collecting efficiency of thermal-arrest cylinder 140 improves, also can relatively reduce so heat the heat of fluorescent tube 130 required generations, and then also can reduce the whole power consumption of laser printer 1 '.
Though the present invention is with this preferred embodiment explanation; but can not limit the present invention with this, any people who knows this technology is not breaking away from the spirit and scope of the invention; can do suitable change and retouching, so protection scope of the present invention is as the criterion with claims institute restricted portion.
Being simply described as follows of symbol in the accompanying drawing:
1,1 ': laser printer
11: laser scan unit
12: light-sensitive roller
13: powder box
14: cylinder
15,100: fixing device
16: hollow thermal-arrest cylinder
17,150: pressing roller
18: halogen lamp tube
110: reflex housing
111: curved portions
112: linear portion
113: opening
120: heat insulation layer
130: the heating fluorescent tube
140: the thermal-arrest cylinder
P: paper
Claims (6)
1. a fixing device is applicable to laser printer, it is characterized in that, comprising:
One reflex housing;
One heating fluorescent tube is arranged in this reflex housing;
One thermal-arrest cylinder is arranged on this heating fluorescent tube below, and with this reflex housing adjacency, wherein, this thermal-arrest cylinder is opened separately with this heating fluorescent tube at a certain distance, and the axis parallel of this thermal-arrest cylinder heats the axle center of fluorescent tube in this; And
One pressing roller be arranged on this thermal-arrest cylinder below, and with roll mode and this thermal-arrest cylinder butt, wherein, the axis parallel of this pressing roller is in the axle center of this thermal-arrest cylinder.
2. fixing device according to claim 1, it is characterized in that: this reflex housing has one and is the cross section of U-shaped, and have a curved portions, two linear portion and an opening, this linear portion is connected in the two ends of this curved portions respectively, this opening is between this linear portion, and relative with this curved portions, this thermal-arrest cylinder is arranged among this opening, and this heating fluorescent tube is arranged between this curved portions and this opening.
3. fixing device according to claim 2 is characterized in that: the width of this opening equals the diameter of this thermal-arrest cylinder.
4. fixing device according to claim 1 is characterized in that: also comprise a heat insulation layer, this heat insulation layer is coated on outside this reflex housing.
5. fixing device according to claim 1 is characterized in that: this heating fluorescent tube is a halogen lamp tube.
6. fixing device according to claim 1 is characterized in that: the diameter of this thermal-arrest cylinder is equal to or less than the diameter of this heating fluorescent tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510098283 CN1928734A (en) | 2005-09-05 | 2005-09-05 | Fixation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510098283 CN1928734A (en) | 2005-09-05 | 2005-09-05 | Fixation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1928734A true CN1928734A (en) | 2007-03-14 |
Family
ID=37858731
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200510098283 Pending CN1928734A (en) | 2005-09-05 | 2005-09-05 | Fixation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1928734A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102317872A (en) * | 2009-02-10 | 2012-01-11 | 奥西-技术有限公司 | Be used for the method and apparatus of recording materials photographic fixing on medium |
| CN102774134A (en) * | 2011-05-13 | 2012-11-14 | 鸿富锦精密工业（深圳）有限公司 | Printing device and printing method |
| CN103389638A (en) * | 2012-05-09 | 2013-11-13 | 京瓷办公信息系统株式会社 | Fixing device and image forming apparatus |
| CN110196541A (en) * | 2018-02-27 | 2019-09-03 | 京瓷办公信息系统株式会社 | Fixing device and image forming apparatus |
-
2005
- 2005-09-05 CN CN 200510098283 patent/CN1928734A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102317872A (en) * | 2009-02-10 | 2012-01-11 | 奥西-技术有限公司 | Be used for the method and apparatus of recording materials photographic fixing on medium |
| CN102317872B (en) * | 2009-02-10 | 2015-05-06 | 奥西-技术有限公司 | Method and apparatus for fusing a recording material on a medium |
| CN102774134A (en) * | 2011-05-13 | 2012-11-14 | 鸿富锦精密工业（深圳）有限公司 | Printing device and printing method |
| CN103389638A (en) * | 2012-05-09 | 2013-11-13 | 京瓷办公信息系统株式会社 | Fixing device and image forming apparatus |
| CN103389638B (en) * | 2012-05-09 | 2015-11-04 | 京瓷办公信息系统株式会社 | Fixing device and image processing system |
| CN110196541A (en) * | 2018-02-27 | 2019-09-03 | 京瓷办公信息系统株式会社 | Fixing device and image forming apparatus |
| CN110196541B (en) * | 2018-02-27 | 2021-12-03 | 京瓷办公信息系统株式会社 | Fixing device and image forming apparatus |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20090206 Address after: Delaware Applicant after: Lite-on Technology Corporation Address before: Ruiguang road Taiwan Taipei City Neihu district China No. 392 22 floor Applicant before: Lite-On Technology Corporation |
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| ASS | Succession or assignment of patent right |
Owner name: YUMUTECHNOLOGY CO., LTD. Free format text: FORMER OWNER: GUANGBAO TECHNOLOGY CO., LTD. Effective date: 20090206 |
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| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Open date: 20070314 |