CN108274907A - A kind of anti-loaded detection device of printer heat-sensitive paper and method based on image sensing technology - Google Patents
A kind of anti-loaded detection device of printer heat-sensitive paper and method based on image sensing technology Download PDFInfo
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- CN108274907A CN108274907A CN201810002102.5A CN201810002102A CN108274907A CN 108274907 A CN108274907 A CN 108274907A CN 201810002102 A CN201810002102 A CN 201810002102A CN 108274907 A CN108274907 A CN 108274907A
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- heat
- sensitive paper
- light
- image
- printer
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/12—Digital output to print unit, e.g. line printer, chain printer
- G06F3/1201—Dedicated interfaces to print systems
- G06F3/1202—Dedicated interfaces to print systems specifically adapted to achieve a particular effect
- G06F3/121—Facilitating exception or error detection and recovery, e.g. fault, media or consumables depleted
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T1/00—General purpose image data processing
- G06T1/0007—Image acquisition
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/0002—Inspection of images, e.g. flaw detection
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Quality & Reliability (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Human Computer Interaction (AREA)
- General Engineering & Computer Science (AREA)
- Electronic Switches (AREA)
- Controlling Sheets Or Webs (AREA)
- Handling Of Sheets (AREA)
Abstract
The invention discloses the anti-loaded detection devices of printer heat-sensitive paper and method based on image sensing technology, including image inductor and light emitting diode, the image analysis chip for being connected to image inductor；The first light that the light emitting diode is used to send out, first light form the second light through heat-sensitive paper surface reflection；Second light is transferred to imaging in image inductor by the optical lens of imaging sensor；When thermal printer works, and heat-sensitive paper paper delivery rotates, described image inductor is used to record the coherent image of one group of high-speed capture；Described image analysis chip carries out analyzing processing to this group of coherent image, by analyzing the variation of characteristic point position on these images, to judge the positive and negative rotation of heat-sensitive paper, to judge the correctness of user's heat-sensitive paper placement direction.Detection device and method of the present invention can be effectively prevented from the anti-loaded problem of heat-sensitive paper of thermal printer, have the features such as device is simple, at low cost, method is easy to implement.
Description
Technical field
The present invention relates to the invention belongs to thermal printing fields, and in particular to a kind of printer based on image sensing technology
The anti-loaded detection method and device of heat-sensitive paper.
Background technology
There is part thermal printer to prompt to use by the way that the schematic diagram on thermal printer fuselage is arranged on the market at present
The correct dress method of family heat-sensitive paper, also has and does not mark heat-sensitive paper scheme of installation on the fuselage of part thermal printer, only with
Into luggage method explanation in the service manual of family.It is anti-loaded and can not print image that both of which is likely to occur heat-sensitive paper, influences
User experience increases unnecessary kwh loss.Simultaneously, it is also possible to the user that part does not know about thermal printer principle be caused to recognize
For the misunderstanding of " printer is broken ".
Invention content
It is an object of the invention to overcome prior art problem, a kind of printer temperature-sensitive based on image sensing technology is proposed
The anti-loaded detection method and device of paper.
To reach above-mentioned purpose, the anti-loaded detection of printer heat-sensitive paper based on image sensing technology that the present invention provides a kind of
Device, including setting is set below the carton bottom portion of groove face for accommodating temperature-sensitive paper roll, image inductor is installed and is shone
Diode, the image analysis chip for being connected to image inductor；
The first light that the light emitting diode is used to send out, first light form second through heat-sensitive paper surface reflection
Light；
Second light is transferred to imaging in image inductor by the optical lens of imaging sensor；
When thermal printer works, and heat-sensitive paper paper delivery rotates, described image inductor is for recording one group of high-speed capture
Coherent image；
Described image analysis chip carries out analyzing processing to this group of coherent image, by feature point on these images
The variation set is analyzed, to judge the positive and negative rotation of heat-sensitive paper, to judge the correctness of user's heat-sensitive paper placement direction.
In embodiments of the present invention, it is preferable that it is provided with an opening below carton bottom portion of groove face, it is described to open
Mouth does not block the light emitting diode and forms the through heat-sensitive paper surface reflection for the first light for sending out and first light
Two light.
The present invention is based in the anti-loaded detection device of printer heat-sensitive paper of image sensing technology, the carton bottom portion of groove
Can be transparent, first light and the second light can pass through.
Described image analysis chip judges heat-sensitive paper to rotate forward, to judge the mistake of user's heat-sensitive paper placement direction；
Described image analysis chip judges heat-sensitive paper for reversion, to judge the correct of user's heat-sensitive paper placement direction.
Preferably, further include warning circuit, for being touched when described image analysis chip judges that printer heat-sensitive paper is anti-loaded
Hair alarm.
In embodiments of the present invention, it is preferable that the warning circuit is indicator light circuit, and the indicator light circuit can be shown
Different colours, different colours indicate the correctness of heat-sensitive paper placement direction.
Further, the warning circuit can also sound module, the sound module sends out alternative sounds and represents temperature-sensitive
The correctness of paper placement direction.
The present invention has also supplied a kind of anti-loaded detection method of printer heat-sensitive paper based on image sensing technology,
The first light that the light emitting diode is sent out, first light form the second light through heat-sensitive paper surface reflection
Line；
Second light is transferred to imaging in image inductor by the optical lens of imaging sensor；
When thermal printer works, and heat-sensitive paper paper delivery rotates, by the coherent of one group of high-speed capture of image recording sensor
Image finally carries out analyzing processing, by characteristic point on these images using image analysis chip to this group of coherent image
The variation of position is analyzed, to judge the positive and negative rotation direction of heat-sensitive paper, to judge the correct of user's heat-sensitive paper placement direction
Whether.
The present invention has also supplied in a kind of anti-loaded detection method of printer heat-sensitive paper based on image sensing technology, image analysis
Chip judges whether heat-sensitive paper placement direction is correct by analyzing the direction that image judges that temperature-sensitive paper roll rotates, and passes through institute
It states image analysis chip and judges heat-sensitive paper to rotate forward, to judge the mistake of user's heat-sensitive paper placement direction；Described image is analyzed
Chip judges heat-sensitive paper for reversion, to judge the correct of user's heat-sensitive paper placement direction.
The anti-loaded detection method and device of printer heat-sensitive paper based on image sensing technology through the invention, can be effective
Ground avoids the anti-loaded problem of the heat-sensitive paper of thermal printer, has the features such as device is simple, at low cost, method is easy to implement.
Description of the drawings
Attached drawing described herein is used for providing further understanding invention, constitutes the part of the present invention, the present invention
Illustrative embodiments and their description for explaining the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings：
Fig. 1 is that the present invention is based on the anti-loaded testing principle schematic diagrames of the printer heat-sensitive paper of image sensing technology；
Fig. 2 is that heat-sensitive paper is close to carton surface after thermal printer of the present invention closes cover, and what heat-sensitive paper was correctly installed shows
It is intended to；
Fig. 3 is that heat-sensitive paper is close to carton surface, the anti-loaded schematic diagram of heat-sensitive paper after thermal printer of the present invention closes cover；
Fig. 4 is that the present invention is based on the flow charts of the anti-loaded detection method of printer heat-sensitive paper of image sensing technology.
Specific implementation mode
In order to keep technical problems, technical solutions and advantages to be solved clearer, clear, tie below
Drawings and examples are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used
To explain the present invention, it is not intended to limit the present invention.
The embodiment of the present invention provides a kind of anti-loaded detection device of printer heat-sensitive paper based on image sensing technology, such as attached drawing
Shown in 1, including setting is set below the carton bottom portion of groove face for accommodating temperature-sensitive paper roll 1,12 He of image inductor is installed
Light emitting diode 11, the image analysis chip 3 for being connected to image inductor 12；
The light emitting diode 11 is used for the first light for sending out, and first light forms the through heat-sensitive paper surface reflection
Two light；
Second light is transferred to imaging in image inductor 12 by the optical lens of imaging sensor 12；
When thermal printer works, and heat-sensitive paper paper delivery rotates, described image inductor 12 is clapped for recording one group of high speed
The coherent image taken the photograph；
Described image analysis chip 3 carries out analyzing processing to this group of coherent image, by characteristic point on these images
The variation of position is analyzed, to judge the positive and negative rotation of heat-sensitive paper, to judge the correctness of user's heat-sensitive paper placement direction.
An opening is provided with below carton bottom portion of groove face, such as opened up at the C of position one it is sizeable
Opening, the opening do not block first light and first light of the light emitting diode for sending out through heat-sensitive paper surface
Reflect to form the second light.
Described image analysis chip judges heat-sensitive paper to rotate forward, to judge the mistake of user's heat-sensitive paper placement direction；
Described image analysis chip judges heat-sensitive paper for reversion, to judge the correct of user's heat-sensitive paper placement direction.
Further, further include alarm electricity the present invention is based on the anti-loaded detection device of printer heat-sensitive paper of image sensing technology
Road 4, for triggering alarm when described image analysis chip judges that printer heat-sensitive paper is anti-loaded.
Preferably, warning circuit of the present invention is indicator light circuit, and the indicator light circuit can show different colours, no
The correctness of heat-sensitive paper placement direction is indicated with color.
It is constituted it should be noted that the warning circuit can also be other circuits, such as sound module, the sound module
Send out the correctness that alternative sounds represent heat-sensitive paper placement direction.
The present invention is based on the operation principle of the anti-loaded detection device of printer heat-sensitive paper of image sensing technology is as follows：
An opening being sized for is opened at the C of position, and image inductor 12 and light emitting diode 11 are installed.Pass through luminous two
The first light that pole pipe 11 is sent out illuminates 1 surface of heat-sensitive paper.Then the second light of a part 1 surface reflection of heat-sensitive paper returned,
It is transferred to imaging in image inductor 12 by the optical lens of image inductor 12.When thermal printer works, heat-sensitive paper goes out
When paper rotates, the coherent image of one group of high-speed capture is recorded by imaging sensor 12, finally utilizes image analysis chip 3 to this
Group coherent image carries out analyzing processing, by analyzing the variation of characteristic point position on these images, to judge heat-sensitive paper
Positive and negative rotation, to judge the correctness of user's heat-sensitive paper placement direction.
By analyzing the variation of characteristic point position on these images, specifically, light illuminates heat-sensitive paper, heat
The image of quick paper is filmed by image sensing device, sends image analysis chip 3 to.As heat-sensitive paper rolls out paper rotation, greatly
The image of amount is analyzed by image analysis chip 3, image analysis chip 3 by comparing the same point on different images displacement
And direction, to determine the track of heat-sensitive paper movement, i.e. rotation direction.
Corresponding, the present invention is based on the anti-loaded detection methods of printer heat-sensitive paper of image sensing technology, and specific steps are such as
Under：
Step S1, light emitting diode emit the first light；
Step S2, first light form the second light through heat-sensitive paper surface reflection；Second light passes through image
The optical lens of sensor is transferred to imaging in image inductor；
Step S3, image analysis chip 3 analyze image, the direction of temperature-sensitive roll paper rotation are judged, if temperature-sensitive roll paper is
Reversion, judges that heat-sensitive paper placement direction is correct, enters step S5；Otherwise judge heat-sensitive paper placement direction mistake, enter step S4；
Step S4, MCU module trigger the alarm that alarm module carries out heat-sensitive paper placement direction mistake；
Step S5, MCU module triggering alarm module carry out heat-sensitive paper placement direction and correctly prompt.
Description above describe the preferred embodiment of the present invention, it is to be understood that the present invention is not limited to above-mentioned implementation
Example, and excluding other embodiments should not be regarded as.Enlightenment through the invention, those skilled in the art combine known or existing
The change that technology, knowledge are carried out also should be regarded as within the scope of the present invention.
Claims (9)
1. a kind of anti-loaded detection device of printer heat-sensitive paper based on image sensing technology, which is characterized in that
Image inductor is installed and is shone including setting is arranged below the carton bottom portion of groove face for accommodating temperature-sensitive paper roll
Diode, the image analysis chip for being connected to image inductor；
The first light that the light emitting diode is used to send out, first light form the second light through heat-sensitive paper surface reflection
Line；
Second light is transferred to imaging in image inductor by the optical lens of imaging sensor；
When thermal printer works, and heat-sensitive paper paper delivery rotates, described image inductor is used to record the company of one group of high-speed capture
Pass through image；
Described image analysis chip carries out analyzing processing to this group of coherent image, by characteristic point position on these images
Variation is analyzed, to judge the positive and negative rotation of heat-sensitive paper, to judge the correctness of user's heat-sensitive paper placement direction.
2. the printer heat-sensitive paper anti-loaded detection device according to claim 1 based on image sensing technology, feature exist
In,
An opening is provided with below carton bottom portion of groove face, the opening does not block the light emitting diode for sending out
The first light and first light gone out forms the second light through heat-sensitive paper surface reflection.
3. the printer heat-sensitive paper anti-loaded detection device according to claim 1 based on image sensing technology, feature exist
In,
The carton bottom portion of groove is transparent, and first light and the second light can pass through.
4. the printer heat-sensitive paper anti-loaded detection device according to claim 1 based on image sensing technology, feature exist
In,
Described image analysis chip judges heat-sensitive paper to rotate forward, to judge the mistake of user's heat-sensitive paper placement direction；
Described image analysis chip judges heat-sensitive paper for reversion, to judge the correct of user's heat-sensitive paper placement direction.
5. the printer heat-sensitive paper anti-loaded detection device according to claim 1 based on image sensing technology, feature exist
In,
Further include warning circuit, for triggering alarm when described image analysis chip judges that printer heat-sensitive paper is anti-loaded.
6. the printer heat-sensitive paper anti-loaded detection device according to claim 5 based on image sensing technology, feature exist
In
The warning circuit is indicator light circuit, and the indicator light circuit can show that different colours, different colours indicate heat-sensitive paper
The correctness of placement direction.
7. the printer heat-sensitive paper anti-loaded detection device according to claim 5 based on image sensing technology, feature exist
In
The warning circuit be sound module, the sound module send out alternative sounds represent the correct of heat-sensitive paper placement direction with
It is no.
8. a kind of anti-loaded detection method of printer heat-sensitive paper based on image sensing technology, which is characterized in that
The first light that the light emitting diode is sent out, first light form the second light through heat-sensitive paper surface reflection；
Second light is transferred to imaging in image inductor by the optical lens of imaging sensor；
When thermal printer works, and heat-sensitive paper paper delivery rotates, by the coherent image of one group of high-speed capture of image recording sensor,
Analyzing processing finally is carried out to this group of coherent image using image analysis chip, by characteristic point position on these images
Variation is analyzed, to judge the positive and negative rotation direction of heat-sensitive paper, to judge the correctness of user's heat-sensitive paper placement direction.
9. the printer heat-sensitive paper anti-loaded detection method according to claim 8 based on image sensing technology, feature exist
In,
Described image analysis chip judges heat-sensitive paper to rotate forward, to judge the mistake of user's heat-sensitive paper placement direction；
Described image analysis chip judges heat-sensitive paper for reversion, to judge the correct of user's heat-sensitive paper placement direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810002102.5A CN108274907B (en) | 2018-01-02 | 2018-01-02 | Printer thermal paper reverse detection device and method based on image sensing technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810002102.5A CN108274907B (en) | 2018-01-02 | 2018-01-02 | Printer thermal paper reverse detection device and method based on image sensing technology |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108274907A true CN108274907A (en) | 2018-07-13 |
| CN108274907B CN108274907B (en) | 2020-06-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810002102.5A Active CN108274907B (en) | 2018-01-02 | 2018-01-02 | Printer thermal paper reverse detection device and method based on image sensing technology |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115257198A (en) * | 2022-07-26 | 2022-11-01 | 上海商米科技集团股份有限公司 | Thermal paper printing identification method and device and thermal printer |
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| CN1955716A (en) * | 2005-10-27 | 2007-05-02 | 光宝科技股份有限公司 | Ink-jet printer, determination device and method |
| CN101856903A (en) * | 2010-06-08 | 2010-10-13 | 北京公达数码科技有限公司 | Printer with printing quality detecting module and printing quality detecting method thereof |
| JP2010228127A (en) * | 2009-03-26 | 2010-10-14 | Dainippon Printing Co Ltd | Thermal transfer printer, image receiving paper, printing method and thermal transfer print system |
| CN202528592U (en) * | 2011-02-22 | 2012-11-14 | 精工爱普生株式会社 | Temperature-sensitive head mechanism, temperature-sensitive type printing unit and temperature-sensitive type printer |
| CN203254789U (en) * | 2013-03-28 | 2013-10-30 | 东芝泰格有限公司 | Thermal printer and POS terminal provided with thermal printer |
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2018
- 2018-01-02 CN CN201810002102.5A patent/CN108274907B/en active Active
Patent Citations (5)
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| CN1955716A (en) * | 2005-10-27 | 2007-05-02 | 光宝科技股份有限公司 | Ink-jet printer, determination device and method |
| JP2010228127A (en) * | 2009-03-26 | 2010-10-14 | Dainippon Printing Co Ltd | Thermal transfer printer, image receiving paper, printing method and thermal transfer print system |
| CN101856903A (en) * | 2010-06-08 | 2010-10-13 | 北京公达数码科技有限公司 | Printer with printing quality detecting module and printing quality detecting method thereof |
| CN202528592U (en) * | 2011-02-22 | 2012-11-14 | 精工爱普生株式会社 | Temperature-sensitive head mechanism, temperature-sensitive type printing unit and temperature-sensitive type printer |
| CN203254789U (en) * | 2013-03-28 | 2013-10-30 | 东芝泰格有限公司 | Thermal printer and POS terminal provided with thermal printer |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115257198A (en) * | 2022-07-26 | 2022-11-01 | 上海商米科技集团股份有限公司 | Thermal paper printing identification method and device and thermal printer |
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| CN108274907B (en) | 2020-06-26 |
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