CN203046460U - Splicing type thermal print head - Google Patents
Splicing type thermal print head Download PDFInfo
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- CN203046460U CN203046460U CN 201320021407 CN201320021407U CN203046460U CN 203046460 U CN203046460 U CN 203046460U CN 201320021407 CN201320021407 CN 201320021407 CN 201320021407 U CN201320021407 U CN 201320021407U CN 203046460 U CN203046460 U CN 203046460U
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- heat generating
- generating component
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- thermal printer
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Abstract
The utility model discloses a splicing type thermal print head. The thermal print head comprises at least two heating components, wherein the two adjacent heating components are mutually spliced, each heating component comprises inclined edges for splicing, a first group of heating bodies arranged in the straight line, and a second group of heating bodies arranged along the inclined edges, wherein the first group of the heating bodies of each heating component are arranged on the same straight line. When the thermal print head is tangent with a rubber roller, most of the heating bodies of the thermal print head are arranged on the tangent positions of the thermal print head with the rubber roller. Thus, compared with the prior art that heating bodies of each heating component area arranged in different lines, the printing image of the thermal print head is clearer, and no white line is generated on the corresponding part of the printed patter with the splicing seam.
Description
Technical field
The utility model relates to a kind of thermal printer head, is specifically related to spliced thermal printer head.
Background technology
Common thermal printer head comprises ceramic substrate, printed circuit board (PCB), heat sink, resistive layer, conductor layer etc., and ceramic substrate and printed circuit board (PCB) are adhered on the heat sink, and resistive layer, conductor layer are arranged on the ceramic substrate, covers layer protective layer on it and protects.Because the length of ceramic substrate can not be oversize, therefore the print span by the thermal printer head of ceramic substrate manufacture can not satisfy the very wide requirement of print size.
In order to address this problem, prior art has proposed a kind of spliced thermal printer head.As shown in Figure 1, spliced thermal printer head comprises fin 3 ' and a plurality of ceramic substrates and a plurality of printed circuit board (PCB) 2 ', wherein, a plurality of ceramic substrates such as ceramic substrate S1, ceramic substrate S2 are spliced to form ceramic substrate 1 ', and the edge that each ceramic substrate splices mutually is the oblique angle; Each ceramic substrate and a printed circuit board (PCB) 2 ' are adhered on the heat sink 3 ' side by side; be bonded with the conductor layer (not shown) at each ceramic substrate; connect conductor layer on each ceramic substrate and the circuit between the printed circuit board (PCB) 2 ' by spun gold, use packaging plastic 4 ' that conductor layer and spun gold are carried out packaging protection then.
Because thermal printer head need be used with rubber roll is tangent when work; the heater of thermal printer head is on the tangent position between thermal printer head and the rubber roll; print media passes between thermal printer head and rubber roll; rubber roll rotating drive print media downstream transport; the heater heating of thermal printer head; be crimped on the print media through protective layer, form literal or the image of setting at print media.
There is the image blurring unclear problem that prints in this spliced thermal printer head.In above-mentioned spliced printhead, know by analysis, cause the ambiguous reason of print image not belong to known one of the ambiguous reason of print image that causes, the applicant finds, on each ceramic substrate, heater not on same straight line, causes guaranteeing that the heater on each ceramic substrate all is on the tangent position of thermal printer head and rubber roll along the width of spliced thermal printer head, and this is only the image blurring unclear immediate cause of above-mentioned spliced printhead.
The utility model content
The purpose of this utility model provides a kind of spliced thermal printer head, to improve print quality.
For this reason, the utility model provides a kind of spliced thermal printer head, comprise at least two heat generating components, wherein, two adjacent heat generating components splice mutually, and each heat generating component has the hypotenuse for splicing, and each heat generating component comprises the first group of heater that is arranged in a linear and second group of heater arranging along hypotenuse, wherein, first of each heat generating component group of heater is located along the same line.
Further, spacing between two adjacent heaters in first group of heater of above-mentioned each heat generating component is identical, and the spacing between two the adjacent heaters in each second group of heater equals the spacing between two adjacent heaters in first group of heater.
Further, spacing between two adjacent heaters in first group of heater of above-mentioned each heat generating component is identical, and the spacing between two adjacent heaters of two heat generating components that each splices mutually is smaller or equal to the spacing between the adjacent heater in first group of heater.
Further, above-mentioned at least two heat generating components comprise first heat generating component, second heat generating component and the 3rd heat generating component between first heat generating component and second heat generating component, wherein, the 3rd heat generating component has respectively two the relative hypotenuses with first heat generating component and the splicing of second heat generating component.
Further, above-mentioned the 3rd heat generating component comprises two second group of heaters arranging along two hypotenuses respectively.
Further, the oblique angle of above-mentioned hypotenuse is between 65 ° to 75 °.
Further, above-mentioned spliced thermal printer head also comprises fin and protective layer, and wherein, each heat generating component is arranged on the fin, and protective layer covers on each heat generating component.
Further, above-mentioned each heat generating component comprises ceramic substrate, and at least two heat generating components comprise first heat generating component and second heat generating component, wherein, the ceramic substrate of first heat generating component and second heat generating component be shaped as right-angled trapezium.
Further, above-mentioned each heat generating component comprises ceramic substrate, at least two heat generating components comprise first heat generating component, second heat generating component and the 3rd heat generating component between first heat generating component and second heat generating component, wherein, the 3rd heat generating component splices mutually with first heat generating component and second heat generating component respectively, the ceramic substrate of first heat generating component and second heat generating component be shaped as right-angled trapezium, the ceramic substrate of the 3rd heat generating component be shaped as parallelogram.
Further; above-mentioned spliced thermal printer head also comprises fin and protective layer, and each heat generating component also comprises resistive layer and the conductor layer that is cascading on ceramic substrate and is used to form heater, wherein; ceramic substrate is arranged on the fin, and protective layer covers on each heat generating component.
In the utility model, the spacing between the heater refers to along the spacing on the print span direction.
According to thermal printer head of the present utility model, in each heat generating component, near splicing seams indivedual heaters, other heaters all are located on the same line, and when thermal printer head and rubber roll are tangent when cooperating, most heaters of thermal printer head can both be positioned on the tangent position of thermal printer head and rubber roll, therefore, arrange in lines with the heater in each heat generating component of the prior art and to compare, the print image of the thermal printer head that the utility model provides is more clear, has improved print quality.In addition, the spacing between adjacent two heaters of two groups of heat generating components makes white line can not occur with the splicing seams corresponding position on the pattern that prints smaller or equal to the spacing between other adjacent heaters.
Except purpose described above, feature and advantage, other purpose, feature and the advantage that the utlity model has will be described in further detail by reference to the accompanying drawings.
Description of drawings
Constitute this specification a part, be used for further understanding accompanying drawing of the present utility model and show preferred embodiment of the present utility model, and be used for illustrating principle of the present utility model with specification.Among the figure:
Fig. 1 is the structural representation of the spliced thermal printer head of prior art;
Fig. 2 is first schematic cross-section of first embodiment of the spliced thermal printer head that provides of the utility model;
Fig. 3 is second schematic cross-section of first embodiment of the spliced thermal printer head that provides of the utility model;
Fig. 4 is the structural representation of spliced thermal printer head first embodiment that provides of the utility model when not covered by the protective layer; And
Fig. 5 is the structural representation of spliced thermal printer head second embodiment that provides of the utility model when not covered by the protective layer.
Description of reference numerals
1 fin, 4 protective layers
2 first heat generating components, 3 second heat generating components
21 first ceramic substrates, 22 first resistive layers
23 first conductor layers, 211 first limits
The 3rd limit, 212 second limits 213
214 the 4th limits, 231 absolute electrodes
232 common electrodes, 31 second ceramic substrates
32 second resistive layers, 33 second conductor layers
312 second limits, 311 first limits
The 4th limit, 313 the 3rd limits 314
331 absolute electrodes, 332 public electrodes
5 the 3rd heat generating components 51 the 3rd ceramic substrate
512 second limits, 511 first limits
The 4th limit, 513 the 3rd limits 514.
The specific embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is elaborated, but the multitude of different ways that the utility model can be defined by the claims and cover is implemented.
To shown in Figure 4, spliced thermal printer head comprises fin 1, at least two heat generating components and protective layer 4, and the printed circuit board (PCB) (not shown) as Fig. 2, and wherein each heat generating component and fin 1 are bonding, and protective layer 4 covers on each heat generating component surface.
The material that fin 1 is strong by thermal conductivity, hardness is good is formed, as aluminium sheet, and fin 1 platy structure that is rectangle; Printed circuit board (PCB) and fin 1 are bonding, are used for the control thermal printer head and print.
At least two heat generating components are arranged along the length direction of fin 1, and two adjacent heating unit assemblies splice mutually, and each heat generating component is all bonding with fin 1.Each heat generating component has the hypotenuse for splicing, and each heat generating component comprises the first group of heater that is arranged in a linear and second group of heater arranging along described hypotenuse, and wherein, first group of heater of each heat generating component is located along the same line.
In the present embodiment, spliced thermal printer head comprises first heat generating component 2 and second heat generating component 3, and wherein, first heat generating component 2 splices mutually with second heat generating component 3, forms splicing seams B between the two.
First heat generating component 2 comprises first ceramic substrate 21, first resistive layer 22 that is cascading by fin 1, and first conductor layer 23.
Wherein, first ceramic substrate 21 is bonding with fin 1, is the right-angled trapezium platy structure, comprises first limit 211, second limit 212, the 3rd limit 213 and the 4th limit 214 that head and the tail connect in turn, wherein, first limit 211 is parallel with the 3rd limit 213, and the 4th limit 214 is simultaneously perpendicular to first limit 211 and the 3rd limit 213, and extends along the width of fin 1, a broadside setting of contiguous fin 1, angle between second limit 212 and first limit 211 is a, preferably, and a=70 ° ± 5 °.
First resistive layer 22 is for covering the film like structures on first ceramic substrate 21; First conductor layer 23 is made up of conductive material, comprise a plurality of absolute electrodes 231 and the common electrode 232 relative with the absolute electrode interval, wherein, each absolute electrode 231 is oppositely arranged with common electrode 232 interval preset distances, be positioned between the two and do not formed a heater A by first resistive layer 22 that both cover, like this, a plurality of absolute electrodes 231 and a plurality of heater A of common electrode 232 relative formation, wherein, near second limit 212 of first ceramic substrate 21 several heater A, namely second of first heat generating component 2 group of heater arranged along the incline direction on second limit 212, other heaters A, namely first of first heat generating component 2 group of heater evenly is in line along the length direction of fin 1, spacing between two adjacent heaters in first group of heater is identical, be d1, spacing between two adjacent heaters in second group of heater equals the spacing d1 between two adjacent heaters in first group of heater, and the spacing between first group of heater, two heaters adjacent with second group of heater is smaller or equal to the spacing d1 between two the adjacent heaters in first group of heater.
Second heat generating component 3 comprises second ceramic substrate 31, second resistive layer 32 that is cascading, and second conductor layer 33.
Wherein, second ceramic substrate 31 is bonding with fin 1, platy structure for right-angled trapezium, comprise first limit 311, second limit 312, the 3rd limit 313 and the 4th limit 314 that head and the tail connect in turn, wherein, first limit 311 is parallel with the 3rd limit 313, second limit 312 is simultaneously perpendicular to first limit 311 and the 3rd limit 313, and the width along fin 1 extends, another broadside of contiguous fin 1 arranges, second limit, the 212 relative splicings of the 4th limit 314 of second ceramic substrate 31 and first ceramic substrate 21 form splicing seams B between the two.
Second resistive layer 32 is for covering the film like structures on second ceramic substrate 31; Second conductor layer 33 is made up of conductive material, comprise a plurality of absolute electrodes 331 and the common electrode 332 relative with absolute electrode 331 intervals, wherein, each absolute electrode 331 is oppositely arranged with common electrode 332 interval preset distances, be positioned between the two and do not formed a heater A by second resistive layer 32 that both cover, a plurality of absolute electrodes 331 and a plurality of heater A of common electrode 332 relative formation, wherein, near the 4th limit 314 of second ceramic substrate 31 several heater A, namely second of second heat generating component 3 group of heater arranged along the incline direction on the 4th limit 314, other heaters A, namely first of second heat generating component 3 group of heater evenly is in line along the length direction of fin 1, and be located on the same line with first group of heater in first heat generating component 2, spacing between two adjacent heaters in spacing between two adjacent heaters in first group of heater of second heat generating component 3 and the first group of heater of first heat generating component 2 equates, be d1, spacing between two adjacent heaters in second group of heater of second heat generating component 3 is smaller or equal to the spacing between two the adjacent heaters in first group of heater, spacing between adjacent two heaters of first group of heater and second group of heater equals the spacing d1 between two adjacent heaters in first group of heater, and, spacing between first heat generating component 2, two heater A adjacent with second heat generating component 3 is d2, and d2≤d1.
Protective layer 4 covers on first heat generating component 2 and second heat generating component 3, and protective layer 4 adopts hard material, for the protection of the resistive layer in each heat generating component and conductor layer.
Wherein, the absolute electrode of the conductor layer in each heat generating component and the drive IC conducting in the printed circuit board (PCB); common electrode and power turn-on; according to the print data content; select corresponding absolute electrode and common electrode conducting by the control drive IC, thereby have electric current to flow through corresponding heater A between absolute electrode and the common electrode, the generation heat; be crimped on the print media through protective layer 4, print corresponding pattern.
Therefore spacing between two heaters that spacing is adjacent smaller or equal to other between adjacent two heaters of two groups of heat generating components in the splicing seams both sides of the spliced thermal printer head that the utility model provides white line can not occur with the splicing seams corresponding position on the pattern that prints; Simultaneously, in each heat generating component of thermal printer head, near splicing seams indivedual heaters, other most of heaters all are located on the same line, when thermal printer head and rubber roll are tangent when cooperating, most heaters of thermal printer head can both be positioned on the tangent position of thermal printer head and rubber roll, therefore, arrange in lines with the heater in each heat generating component of the prior art and to compare, the print image of the thermal printer head that the utility model provides is more clear, therefore, improved print quality.
Fig. 5 is the structural representation of spliced thermal printer head second embodiment that provides of the utility model when not covered by the protective layer.As shown in Figure 5, present embodiment is compared with a last embodiment, difference is, in the present embodiment, spliced thermal printer head also comprises the 3rd heat generating component 5, and between first heat generating component 2 and second heat generating component 3, the 3rd heat generating component 5 has two relative hypotenuses, be used for splicing with first heat generating component 2 and second heat generating component 3 respectively, the 3rd heat generating component comprises two second group of heaters arranging along two hypotenuses respectively.
Particularly, the 3rd ceramic substrate 51 of the 3rd heat generating component 5 is the tabular structure of parallelogram, comprise first limit 511 that head and the tail connect in turn, second limit 512, the 3rd limit 513 and the 4th limit 514, wherein, first limit 511 is parallel with the 3rd limit 513, and the length direction along fin 1 extends, second limit 512 and the 4th limit 514 are parallel to each other, second limit, the 212 relative splicings of the 4th limit 514 of the 3rd ceramic substrate 51 and first ceramic substrate 21, form the first splicing seams B1, the 4th limit 314 relative splicings of second limit 512 of the 3rd ceramic substrate 51 and second ceramic substrate 31 form the second splicing seams B2.
Near second limit 512 of the 3rd heat generating component 5 several heater A, namely second group of heater of first of the 3rd heat generating component 5 arranged along the incline direction on second limit 512, near the 4th limit 514 several heater A, namely second of the 3rd heat generating component 5 second group of heater arranged along the incline direction on the 4th limit 514, other heaters A, namely first of the 3rd heat generating component 5 group of heater evenly is in line along the length direction of fin 1, and with first heat generating component 2 in first group of heater and first group of heater in second heat generating component 3 be located on the same line.
Wherein, spacing between adjacent two heaters in first group of heater of the 3rd heat generating component 5 is d1, spacing between two adjacent heaters in second group of heater of the 3rd heat generating component 5 equals d1, spacing between first group of heater of the 3rd heat generating component 5, two heaters adjacent with second group of heater of each of the 3rd heat generating component 5 is smaller or equal to d1, and the spacing between the 3rd heat generating component 5 two heaters adjacent with first heat generating component 2 is d3, distance between the 3rd heat generating component 5 two heaters adjacent with second heat generating component 3 is d4, d3≤d1 wherein, d4≤d1.
By the heat generating component of plural mutual splicing is set, can satisfy the wideer instructions for use of print size in the present embodiment.
The above is preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. spliced thermal printer head, comprise at least two heat generating components, wherein, two adjacent described heat generating components splice mutually, each described heat generating component has the hypotenuse for splicing, it is characterized in that, each described heat generating component comprises the first group of heater that is arranged in a linear and second group of heater arranging along described hypotenuse, wherein, first of each described heat generating component group of heater is located along the same line.
2. spliced thermal printer head according to claim 1, it is characterized in that, spacing between two adjacent heaters in first group of heater of each described heat generating component is identical, and the spacing between two the adjacent heaters in each described second group of heater equals the spacing between two adjacent heaters in described first group of heater.
3. spliced thermal printer head according to claim 1, it is characterized in that, spacing between two adjacent heaters in first group of heater of each described heat generating component is identical, and the spacing between two adjacent heaters of two heat generating components of each described mutual splicing is smaller or equal to the spacing between the adjacent heater in described first group of heater.
4. spliced thermal printer head according to claim 1, it is characterized in that, described at least two heat generating components comprise first heat generating component, second heat generating component and the 3rd heat generating component between described first heat generating component and second heat generating component, wherein, described the 3rd heat generating component has respectively two the relative hypotenuses with described first heat generating component and the splicing of second heat generating component.
5. spliced thermal printer head according to claim 4 is characterized in that, described the 3rd heat generating component comprises two described second group of heaters of arranging along described two hypotenuses respectively.
6. spliced thermal printer head according to claim 1 is characterized in that, the oblique angle of described hypotenuse is between 65 ° to 75 °.
7. spliced thermal printer head according to claim 1 is characterized in that, also comprises fin and protective layer, and wherein, each described heat generating component is arranged on the described fin, and described protective layer covers on each described heat generating component.
8. spliced thermal printer head according to claim 1, it is characterized in that, each described heat generating component comprises ceramic substrate, described at least two heat generating components comprise first heat generating component and second heat generating component, wherein, the described ceramic substrate of described first heat generating component and second heat generating component is shaped as right-angled trapezium.
9. spliced thermal printer head according to claim 1, it is characterized in that, each described heat generating component comprises ceramic substrate, described at least two heat generating components comprise first heat generating component, second heat generating component and the 3rd heat generating component between described first heat generating component and second heat generating component, wherein, described the 3rd heat generating component splices mutually with described first heat generating component and second heat generating component respectively, the described ceramic substrate of described first heat generating component and second heat generating component be shaped as right-angled trapezium, the described ceramic substrate of described the 3rd heat generating component be shaped as parallelogram.
10. according to Claim 8 or 9 described spliced thermal printer heads; it is characterized in that; also comprise fin and protective layer; each described heat generating component also comprises resistive layer and the conductor layer that is cascading on described ceramic substrate and is used to form heater; wherein; described ceramic substrate is arranged on the described fin, and described protective layer covers on each described heat generating component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320021407 CN203046460U (en) | 2013-01-15 | 2013-01-15 | Splicing type thermal print head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320021407 CN203046460U (en) | 2013-01-15 | 2013-01-15 | Splicing type thermal print head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203046460U true CN203046460U (en) | 2013-07-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320021407 Expired - Fee Related CN203046460U (en) | 2013-01-15 | 2013-01-15 | Splicing type thermal print head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203046460U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107073974A (en) * | 2015-08-21 | 2017-08-18 | 佐藤控股株式会社 | Printer |
| CN109986884A (en) * | 2018-01-18 | 2019-07-09 | Rf打印技术有限责任公司 | The inkjet print head of printhead unit containing classification alignment |
| CN111137023A (en) * | 2020-02-26 | 2020-05-12 | 山东华菱电子股份有限公司 | Spliced thermosensitive printing head |
-
2013
- 2013-01-15 CN CN 201320021407 patent/CN203046460U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107073974A (en) * | 2015-08-21 | 2017-08-18 | 佐藤控股株式会社 | Printer |
| CN107073974B (en) * | 2015-08-21 | 2018-08-31 | 佐藤控股株式会社 | Printer |
| CN109986884A (en) * | 2018-01-18 | 2019-07-09 | Rf打印技术有限责任公司 | The inkjet print head of printhead unit containing classification alignment |
| TWI714946B (en) * | 2018-01-18 | 2021-01-01 | 大陸商上海銳爾發數碼科技有限公司 | Inkjet printhead with hierarchically aligned printhead units |
| CN111137023A (en) * | 2020-02-26 | 2020-05-12 | 山东华菱电子股份有限公司 | Spliced thermosensitive printing head |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130710 Termination date: 20220115 |