CN114193945B - Cashier printer card paper detection system and method and cashier printer - Google Patents
Cashier printer card paper detection system and method and cashier printer Download PDFInfo
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- CN114193945B CN114193945B CN202111503311.6A CN202111503311A CN114193945B CN 114193945 B CN114193945 B CN 114193945B CN 202111503311 A CN202111503311 A CN 202111503311A CN 114193945 B CN114193945 B CN 114193945B
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- 238000000034 method Methods 0.000 title claims abstract description 11
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- 230000008859 change Effects 0.000 claims description 11
- 230000002159 abnormal effect Effects 0.000 description 8
- 230000006870 function Effects 0.000 description 5
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
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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
- B41J11/0095—Detecting means for copy material, e.g. for detecting or sensing presence of copy material or its leading or trailing end
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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
- B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
- B41J29/46—Applications of alarms, e.g. responsive to approach of end of line
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- Controlling Sheets Or Webs (AREA)
- Cash Registers Or Receiving Machines (AREA)
- Accessory Devices And Overall Control Thereof (AREA)
Abstract
The invention provides a paper jam detection system and method of a cashier printer and the cashier printer, wherein the system comprises a printing paper bin and further comprises: the auxiliary roller is arranged in the printing paper bin and is used for assisting paper feeding during printing; the rotation detection module is connected with the auxiliary roller and is used for collecting rotation data of the auxiliary roller when the cashier printer prints; and the processor is connected with the rotation detection module and used for judging whether the cashier printer is jammed according to the rotation data of the auxiliary roller. The scheme is more timely in paper jam detection, can be timely found at the initial stage of paper jam, and avoids damage of the cash register printer.
Description
Technical Field
The invention relates to the technical field of cashier printers, in particular to a cashier printer card paper detection system and method and a cashier printer.
Background
A printer is one of the output devices of a computer for printing the results of computer processing on a related medium. The indexes for measuring the quality of the printer have three items: print resolution, print speed, and noise. Printers are of various kinds, and impact printers and non-impact printers are classified according to whether or not a printing element has impact motion on paper; a string printer and a line printer according to the mode that a line character is formed on paper; according to the adopted technology, the printer is a printer of column type, sphere type, ink-jet type, thermosensitive type, laser type, electrostatic type, magnetic type, light-emitting diode type and the like.
The cash register printer is one kind of printer, and the paper of mainly used cash registering machine prints, and cash register printer is when printing, often takes place the card paper phenomenon, if can not detect in the first time, the user uses like this for a long time, can lead to the wearing and tearing of paper feed pivot gear, probably even further harm printer head.
The existing method for detecting whether the cashing printer is jammed is to detect the angle of printing paper, if the paper inclination angle is too large, the jam phenomenon is indicated. However, this method is not timely, and it is often necessary to detect the paper jam when it is serious, resulting in printer wear. Therefore, there is a need for a jam detection system that detects a jam more timely, and can be found in time at the initial stage of the jam, avoiding damage to the cashier printer.
Disclosure of Invention
The invention aims to provide a paper jam detection system and method for a cashier printer and the cashier printer, and aims to solve the problem that paper jam detection of the cashier printer is not timely in the prior art.
The technical scheme provided by the invention is as follows:
The invention provides a paper jam detection system of a cashier printer, which comprises a printing paper bin and further comprises:
The auxiliary roller is arranged in the printing paper bin and is used for assisting paper feeding during printing;
The rotation detection module is connected with the auxiliary roller and is used for collecting rotation data of the auxiliary roller when the cashier printer prints;
And the processor is connected with the rotation detection module and used for judging whether the cashier printer is jammed according to the rotation data of the auxiliary roller.
Through setting up the auxiliary roller in printing the paper storehouse to set up the rotation detection module that is used for gathering auxiliary roller rotation data, make the treater judge whether the cashier printer card paper according to the rotation data of auxiliary roller. The card paper of this scheme detects more timely, can just in time discover at card paper initial stage, avoids receiving silver printer damage.
Further, the rotation detection module includes a magnet and a magnetic sensor;
the magnet is arranged on the auxiliary roller, the magnetic sensor is arranged on the printing paper bin opposite to the auxiliary roller and is used for cutting a magnetic field generated by the magnet to trigger electromagnetic response when the auxiliary roller rotates;
Or, the magnetic sensor is disposed on the subsidiary roller, and the magnet is disposed on the printing paper bin opposite to the subsidiary roller; when the auxiliary roller drives the magnetic sensor to rotate, the magnetic sensor cuts the magnetic field generated by the magnet to trigger electromagnetic response;
and the processor judges whether the cashier printer is jammed according to the electromagnetic response.
Specifically, in one embodiment, a magnet can be embedded on the auxiliary roller, and a magnetic sensor corresponding to the auxiliary roller is arranged below the printing paper bin, so that when the cashier printer prints, the magnet can rotate along with the rotation of the auxiliary roller, and then a magnetic field generated by the magnetic sensor cutting magnet triggers electromagnetic response, and the processor can judge whether the cashier printer is jammed according to the electromagnetic response; in another embodiment, the magnetic sensor can be arranged on the auxiliary roller, the magnet is arranged on the printing paper bin opposite to the auxiliary roller, so that when the auxiliary roller drives the magnetic sensor to rotate, the magnetic sensor can cut a magnetic field generated by the magnet to trigger electromagnetic response, and the processor can judge whether the cashier printer is jammed according to the electromagnetic response.
Further, the magnet or the magnetic sensor is embedded at a non-axial center of the auxiliary roller;
the magnetic sensor is a Hall sensor, and the processor judges whether the cashier printer is jammed according to the electromagnetic response interval of the Hall sensor.
In addition, since the axis position of the auxiliary roller is fixed, in order to ensure that the magnetic sensor can cut the magnetic field and trigger the electromagnetic response, a magnet or the magnetic sensor needs to be embedded at a non-axis position of the auxiliary roller. Meanwhile, when the cashier printer prints, the paper output speed is basically constant, so that the rotation speed of the auxiliary roller is basically fixed, the time interval of triggering electromagnetic response by the Hall sensor is also fixed, and when the abnormal triggering interval of the electromagnetic response by the Hall sensor is detected, the paper jam of the cashier printer can be judged.
Further, the magnet is a non-circular magnet, and the magnetic pole direction of the magnet is perpendicular to the axis direction of the auxiliary roller.
Further, the rotation detection module includes an angular velocity sensor;
The angular velocity sensor is fixed in the auxiliary roller and is used for acquiring angular velocity data of the auxiliary roller; and the processor judges whether the cashier printer is jammed according to the angular speed change rate of the auxiliary roller during printing.
Specifically, when actually implementing, can also set up the angular velocity sensor in the auxiliary roller, angular velocity sensor can gather the angular velocity data of auxiliary roller to when making the cashier printer print, along with the rotation of auxiliary roller, angular velocity sensor also can follow the rotation, and because cashier printer prints, the speed of paper out is basically invariable, the rotational velocity of auxiliary roller is also basically fixed, and the angular velocity change rate that makes auxiliary roller is fixed, when detecting the angular velocity change rate of auxiliary roller unusual, can judge cashier printer card paper.
Further, the method further comprises the following steps:
and the alarm module is connected with the processor and is used for giving an alarm when the processor judges that the cashier printer is jammed.
Specifically, an alarm module connected with the processor can be further arranged, so that when the processor judges that the cashier printer is jammed, an alarm can be timely given.
Further, the rotation detection module is also used for detecting paper shortage during printing;
The processor receives the rotation data and judges that the cashier printer is out of paper when the rotation data is not received within a set time;
and the alarm module alarms when receiving the paper-lack information transmitted by the processor.
In addition, the rotation detection module can also be used for carrying out paper shortage detection during printing, and because the processor continuously receives the rotation data of the auxiliary roller during printing, if the processor still does not receive the rotation data within a set time, the processor can judge that the cashing printer is out of paper, and at the moment, the alarm module can be used for alarming to remind a worker of paper replacement.
In addition, the invention also provides a printer jam detection method, which comprises the following steps:
The method comprises the steps that rotation data of an auxiliary roller is collected through a rotation detection module when a cashier printer prints, and the auxiliary roller is arranged in a printing paper bin and used for assisting paper feeding during printing;
and judging whether the printer is jammed according to the rotation data of the auxiliary roller.
Through setting up the auxiliary roller in printing the paper storehouse to set up the rotation detection module that is used for gathering auxiliary roller rotation data, make the treater can judge according to the rotation data of auxiliary roller and receive whether card paper of silver-colored printer, the card paper of this scheme detects more timely, can just in time discover at the card paper initial stage, avoids receiving silver-colored printer damage.
Further, the rotation data includes electromagnetic response data; the rotation detection module comprises a magnet and a magnetic sensor;
When the auxiliary roller rotates, the magnetic sensor cuts the magnetic field generated by the magnet to trigger electromagnetic response, and the electromagnetic response data are generated;
Or when the magnetic sensor is arranged on the auxiliary roller and the magnet is arranged on the printing paper bin opposite to the auxiliary roller, and the auxiliary roller drives the magnetic sensor to rotate, the magnetic sensor cuts a magnetic field generated by the magnet to trigger electromagnetic response, and the electromagnetic response data are generated;
And judging whether the cashier printer is jammed according to the electromagnetic response data.
In addition, the invention also provides a cashier printer comprising the cashier printer jam detection system.
Through setting up foretell printer card paper detecting system in receipts silver-colored printer, can make receipts silver-colored printer have card paper detection function, and in actual operation, also can add structures such as auxiliary roller, rotation detection module in conventional receipts silver-colored printer to realize receipts silver-colored printer's function upgrading.
According to the paper jam detection system and method for the cashier printer and the cashier printer, provided by the invention, the auxiliary roller is arranged in the printing paper bin, and the rotation detection module for collecting the rotation data of the auxiliary roller is arranged, so that the processor can judge whether the cashier printer is jammed according to the rotation data of the auxiliary roller, the paper jam detection of the scheme is more timely, the detection can be timely carried out at the initial stage of the paper jam, and the damage of the cashier printer is avoided.
Drawings
The above features, technical features, advantages and implementation modes of the present invention will be further described in the following description of preferred embodiments with reference to the accompanying drawings in a clear and understandable manner.
FIG. 1 is a schematic overall structure of an embodiment of the present invention;
FIG. 2 is a schematic diagram of the structure of an embodiment of the present invention;
FIG. 3 is a schematic view of another embodiment of the present invention;
FIG. 4 is a schematic flow chart of an embodiment of the invention.
Reference numerals in the drawings: 1-auxiliary rollers; 2-a rotation detection module; a 3-processor; 4-an alarm module.
Detailed Description
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following description will explain the specific embodiments of the present invention with reference to the accompanying drawings. It is evident that the drawings in the following description are only examples of the invention, from which other drawings and other embodiments can be obtained by a person skilled in the art without inventive effort.
For the sake of simplicity of the drawing, the parts relevant to the present invention are shown only schematically in the figures, which do not represent the actual structure thereof as a product. Additionally, in order to simplify the drawing for ease of understanding, components having the same structure or function in some of the drawings are shown schematically with only one of them, or only one of them is labeled. Herein, "a" means not only "only this one" but also "more than one" case.
Example 1
In one embodiment of the present invention, as shown in fig. 1, the present invention provides a paper jam detection system for a cashier printer, which includes a printing paper bin, a roller 1, a rotation detection module 2, and a processor 3.
The auxiliary roller 1 is provided in the printing paper deck for assisting paper feeding at the time of printing. Specifically, the auxiliary roller 1 can guide and support the movement of the sheet, the rotational speed of the auxiliary roller 1 is equal to the moving speed of the sheet, and the rotational speed of the auxiliary roller 1 is constant when the printer prints.
The rotation detection module 2 is connected with the auxiliary roller 1 and is used for collecting rotation data of the auxiliary roller 1 when the printer prints.
The processor 3 is connected with the rotation detection module 2 and is used for judging whether the cashier printer is jammed according to the rotation data of the auxiliary roller 1.
Because the speed of rotation of the auxiliary roller is constant when the cashier printer prints normally, after the rotation data of the auxiliary roller is measured, whether the speed of rotation of the auxiliary roller is abnormal or not can be judged according to whether the data is abnormal or not, and then whether the paper jam phenomenon occurs or not is judged.
Through setting up auxiliary roller 1 in printing paper storehouse to set up the rotation detection module 2 that is used for gathering auxiliary roller 1 rotation data, make the treater 3 can judge whether the cashier printer card paper according to auxiliary roller 1's rotation data. The card paper of this scheme detects more timely, can just in time discover at card paper initial stage, avoids receiving silver printer damage.
Example 2
In one embodiment of the present invention, as shown in fig. 2, the rotation detection module 2 includes a magnet and a magnetic sensor on the basis of embodiment 1.
The magnet is arranged on the auxiliary roller 1, the magnetic sensor is arranged on the printing paper bin opposite to the auxiliary roller 1 and is used for triggering electromagnetic response by a magnetic field generated by the cutting magnet when the auxiliary roller 1 rotates; or, the magnetic sensor is disposed on the subsidiary roller 1, and the magnet is disposed on the printing paper bin opposite to the subsidiary roller 1; when the auxiliary roller 1 drives the magnetic sensor to rotate, the magnetic field generated by the magnetic sensor cutting magnet triggers electromagnetic response.
And the processor judges whether the cashier printer is jammed according to the electromagnetic response.
Preferably, the magnet is a non-circular magnet, and the magnetic pole direction of the magnet is perpendicular to the axial direction of the auxiliary roller 1, so that the magnetic sensor can perform magnetic field cutting.
Specifically, in one embodiment, a magnet may be embedded on the auxiliary roller 1, and a magnetic sensor corresponding to the auxiliary roller 1 is disposed below the printing paper bin, so that when the cashier printer prints, the magnet can rotate along with the rotation of the auxiliary roller 1, and further the magnetic sensor cuts the magnetic field generated by the magnet to trigger electromagnetic response, and the processor can determine whether the cashier printer has a paper jam according to the electromagnetic response; in another embodiment, the magnetic sensor may be disposed on the auxiliary roller 1, and the magnet is disposed on the printing paper bin opposite to the auxiliary roller 1, so that when the auxiliary roller 1 drives the magnetic sensor to rotate, the magnetic sensor can cut a magnetic field generated by the magnet to trigger an electromagnetic response, and the processor can determine whether the cashier printer is jammed according to the electromagnetic response.
Preferably, the magnet or the magnetic sensor is embedded in the auxiliary roller 1 at a non-axial position.
The magnetic sensor is a Hall sensor, and the processor judges whether the cashier printer is jammed according to the electromagnetic response interval of the Hall sensor.
In addition, since the axis position of the subsidiary roller 1 is fixed, in order to ensure that the magnetic sensor can cut the magnetic field, triggering the electromagnetic response, it is necessary to embed the magnet or the magnetic sensor at a non-axial position of the subsidiary roller 1. Meanwhile, when the cashier printer prints, the paper output speed is basically constant, so the rotation speed of the auxiliary roller 1 is basically fixed, the time interval of triggering electromagnetic response by the Hall sensor is also fixed, and when the abnormal triggering interval of the electromagnetic response by the Hall sensor is detected, the paper jam of the cashier printer can be judged.
Example 3
In one embodiment of the present invention, as shown in fig. 3, the rotation detection module 2 includes an angular velocity sensor on the basis of embodiment 1.
The angular velocity sensor is fixed in the auxiliary roller 1 and is used for acquiring angular velocity data of the auxiliary roller 1.
The processor 3 judges whether the cashier printer is jammed or not according to the rate of change of the angular velocity of the auxiliary roller 1 at the time of printing.
Specifically, in practical implementation, an angular velocity sensor may be further disposed in the auxiliary roller 1, where the angular velocity sensor may collect angular velocity data of the auxiliary roller 1, so that when the cashier printer prints, along with rotation of the auxiliary roller 1, the angular velocity sensor may also rotate, and when the cashier printer prints, the paper output speed is substantially constant, and the rotation speed of the auxiliary roller 1 is also substantially fixed, so that the angular velocity change rate of the auxiliary roller 1 is fixed, and when the angular velocity change rate of the auxiliary roller 1 is detected to be abnormal, a paper jam of the cashier printer may be determined. In other embodiments, a rotation sensor or the like may be used instead, without limitation.
Example 4
In one embodiment of the present invention, as shown in fig. 1, on the basis of any one of the above embodiments, the paper jam detection system for a cashier printer provided by the present invention further includes: and the alarm module 4 is connected with the processor 3 and is used for alarming when the processor 3 judges that the cashier printer is jammed.
Specifically, an alarm module 4 connected with the processor 3 may also be provided, so that an alarm can be given in time when the processor 3 judges that the cashier printer is jammed.
Preferably, the rotation detection module 2 is also used for paper out detection during printing.
The processor 3 receives the rotation data and judges that the cashier printer is out of paper when the rotation data is not received within a set time.
The alarm module 4 gives an alarm when receiving the paper-out information transmitted by the processor 3.
In addition, the rotation detection module 2 may be further configured to detect paper shortage during printing, and because the processor 3 continuously receives the rotation data of the auxiliary roller 1 during printing, if the processor 3 still does not receive the rotation data within a set time, it may determine that the paper-receiving printer is out of paper, and at this time, an alarm may be given by the alarm module 4 to remind a worker to change paper.
Example 5
In one embodiment of the present invention, as shown in fig. 4, the present invention further provides a paper jam detection method for a cashier printer, including the steps of:
S1, collecting rotation data of an auxiliary roller through a rotation detection module when a cashier printer prints, wherein the auxiliary roller is arranged in a printing paper bin and used for assisting paper feeding during printing.
The auxiliary roller is arranged in the printing paper bin and is used for assisting paper feeding during printing. Specifically, the auxiliary roller can guide and support the movement of the paper, the rotating speed of the auxiliary roller is equal to the moving speed of the paper, and the rotating speed of the auxiliary roller is constant when the cashier printer normally prints.
Through setting up rotation detection module for the printer can gather the rotation data of auxiliary roller shaft in real time when printing.
And S2, judging whether the cashier printer is jammed according to the rotation data of the auxiliary roller.
Because the speed of rotation of the auxiliary roller is constant when the cashier printer prints normally, after the rotation data of the auxiliary roller is measured, whether the speed of rotation of the auxiliary roller is abnormal or not can be judged according to whether the data is abnormal or not, and then whether the paper jam phenomenon occurs or not is judged.
And S3, if the judgment is yes, alarming through an alarm module.
Through setting up the auxiliary roller in the receipts silver-colored printing paper storehouse to set up the rotation detection module that is used for gathering auxiliary roller rotation data, make the treater judge whether receipts silver-colored printer card paper according to auxiliary roller's rotation data, and report to the police when the card paper, the card paper of this scheme detects more timely, can just in time discover at the card paper initial stage, avoids receiving silver-colored printer damage.
Example 6
An embodiment of the present invention, based on embodiment 5, determines whether the cashier printer is jammed according to rotation data of the auxiliary roller, specifically includes:
The rotation data includes electromagnetic response data; the rotation detection module includes a magnet and a magnetic sensor.
When the auxiliary roller rotates, the magnetic sensor cuts the magnetic field generated by the magnet to trigger electromagnetic response, and electromagnetic response data are generated; or when the magnetic sensor is arranged on the auxiliary roller and the magnet is arranged on the printing paper bin opposite to the auxiliary roller, and the auxiliary roller drives the magnetic sensor to rotate, the magnetic field generated by the magnetic sensor cutting the magnet triggers electromagnetic response to generate electromagnetic response data; and judging whether the cashier printer is jammed according to the electromagnetic response data.
Specifically, in one embodiment, a magnet can be embedded on the auxiliary roller, and a magnetic sensor corresponding to the auxiliary roller is arranged below the printing paper bin, so that when the cashier printer prints, the magnet can rotate along with the rotation of the auxiliary roller, and then a magnetic field generated by the magnetic sensor cutting magnet triggers electromagnetic response, and the processor can judge whether the cashier printer is jammed according to the electromagnetic response; in another embodiment, the magnetic sensor can be arranged on the auxiliary roller, the magnet is arranged on the printing paper bin opposite to the auxiliary roller, so that when the auxiliary roller drives the magnetic sensor to rotate, the magnetic sensor can cut a magnetic field generated by the magnet to trigger electromagnetic response, and the processor can judge whether the cashier printer is jammed according to the electromagnetic response.
Preferably, the magnet or the magnetic sensor is embedded in the auxiliary roller at a non-axial position.
The magnetic sensor is a Hall sensor, and the processor judges whether the cashier printer is jammed according to the electromagnetic response interval of the Hall sensor.
In addition, since the axis position of the auxiliary roller is fixed, in order to ensure that the magnetic sensor can cut the magnetic field and trigger the electromagnetic response, a magnet or the magnetic sensor needs to be embedded at a non-axis position of the auxiliary roller. Meanwhile, when the cashier printer prints, the paper output speed is basically constant, so that the rotation speed of the auxiliary roller is basically fixed, the time interval of triggering electromagnetic response by the Hall sensor is also fixed, and when the abnormal triggering interval of the electromagnetic response by the Hall sensor is detected, the paper jam of the cashier printer can be judged.
Example 7
An embodiment of the present invention, based on embodiment 5, determines whether the cashier printer is jammed according to rotation data of the auxiliary roller, specifically includes:
s23, acquiring angular velocity data of the auxiliary roller through an angular velocity sensor, wherein the angular velocity sensor is fixed in the auxiliary roller and rotates along with the rotation of the auxiliary roller.
S24, judging whether the cashier printer is jammed according to the angular speed change rate of the auxiliary roller during printing.
Specifically, when actually implementing, can also set up the angular velocity sensor in the auxiliary roller, angular velocity sensor can gather the angular velocity data of auxiliary roller to when making the cashier printer print, along with the rotation of auxiliary roller, angular velocity sensor also can follow the rotation, and because cashier printer prints, the speed of paper out is basically invariable, the rotational velocity of auxiliary roller is also basically fixed, and the angular velocity change rate that makes auxiliary roller is fixed, when detecting the angular velocity change rate of auxiliary roller unusual, can judge cashier printer card paper. In other embodiments, a rotation sensor or the like may be used instead, without limitation.
Example 8
In one embodiment of the present invention, the present invention further provides a cashier printer, including the cashier printer jam detection system of any one of embodiments 1 to 4.
Through setting up foretell receipts silver-colored printer card paper detecting system in the printer, can make receipts silver-colored printer have card paper detection function, and in actual operation, also can add structures such as auxiliary roller, rotation detection module in conventional receipts silver-colored printer to realize receipts silver-colored printer's function upgrading.
Example 9
In addition, the present invention also provides a storage medium, in which at least one instruction is stored, the instruction being loaded and executed by a processor to implement the operation performed by the cashier printer jam detection method described in any one of embodiments 5 to 7. For example, the computer readable storage medium may be Read Only Memory (ROM), random Access Memory (RAM), compact disk read only memory (CD-ROM), magnetic tape, floppy disk, optical data storage device, etc. They may be implemented in program code that is executable by a computing device such that they may be stored in a memory device for execution by the computing device, or they may be separately fabricated into individual integrated circuit modules, or a plurality of modules or steps in them may be fabricated into a single integrated circuit module. Thus, the present invention is not limited to any specific combination of hardware and software.
It should be noted that the above embodiments can be freely combined as needed. The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (8)
1. The utility model provides a receipts silver-colored printer card paper detecting system, includes printing paper storehouse, its characterized in that still includes:
The auxiliary roller is arranged in the printing paper bin and is used for assisting paper feeding during printing and guiding and supporting the movement of paper, and the rotating speed of the auxiliary roller is equal to the moving speed of the paper;
the rotation detection module is connected with the auxiliary roller and used for collecting rotation data of the auxiliary roller during printing;
the processor is connected with the rotation detection module and used for judging whether the cashier printer is jammed according to the rotation data of the auxiliary roller;
The rotary detection module comprises a magnet and a magnetic sensor, the magnet and the magnetic sensor are respectively arranged on the auxiliary roller and the printing paper bin opposite to the auxiliary roller, and the processor judges whether the cashier printer is jammed according to the electromagnetic response interval of the magnetic sensor; or alternatively, the first and second heat exchangers may be,
The rotation detection module comprises an angular velocity sensor which is fixed in the auxiliary roller and is used for collecting angular velocity data of the auxiliary roller, and the processor judges whether the cashier printer is jammed according to the angular velocity change rate of the auxiliary roller during printing;
The rotation detection module is also used for detecting paper shortage during printing; the processor receives the rotation data and judges that the cashier printer is out of paper when the rotation data is not received within a set time; and the alarm module alarms when receiving the paper-lack information transmitted by the processor.
2. The paper jam detection system of claim 1, wherein,
The magnet is arranged on the auxiliary roller, the magnetic sensor is arranged on the printing paper bin opposite to the auxiliary roller and is used for cutting a magnetic field generated by the magnet to trigger electromagnetic response when the auxiliary roller rotates;
Or, the magnetic sensor is disposed on the subsidiary roller, and the magnet is disposed on the printing paper bin opposite to the subsidiary roller; when the auxiliary roller drives the magnetic sensor to rotate, the magnetic sensor cuts the magnetic field generated by the magnet to trigger electromagnetic response.
3. A cashier printer jam detection system as in claim 2, wherein: the magnet or the magnetic sensor is embedded at a non-axial center of the auxiliary roller;
the magnetic sensor is a Hall sensor, and the processor judges whether the cashier printer is jammed according to the electromagnetic response interval of the Hall sensor.
4. A cashier printer jam detection system as in claim 3, wherein:
the magnet is a non-circular magnet, and the magnetic pole direction of the magnet is perpendicular to the axis direction of the auxiliary roller.
5. A cashier printer jam detection system as in any one of claims 1 to 4, wherein said alarm module is connected to said processor for alerting when said processor determines that said cashier printer is jammed.
6. A detection method based on the cashier printer jam detection system of any one of claims 1 to 5, characterized by comprising the steps of:
the method comprises the steps that rotation data of an auxiliary roller is collected through a rotation detection module when a cashing printer prints, the auxiliary roller is arranged in a printing paper bin and used for assisting paper feeding during printing, paper moving is guided and supported, and the rotation speed of the auxiliary roller is equal to the paper moving speed;
and judging whether the printer is jammed according to the rotation data of the auxiliary roller.
7. The detection method of a jam detection system of a cashier printer of claim 6, wherein:
The rotation data includes electromagnetic response data; the rotation detection module comprises a magnet and a magnetic sensor;
When the auxiliary roller rotates, the magnetic sensor cuts the magnetic field generated by the magnet to trigger electromagnetic response, and the electromagnetic response data are generated;
Or when the magnetic sensor is arranged on the auxiliary roller and the magnet is arranged on the printing paper bin opposite to the auxiliary roller, and the auxiliary roller drives the magnetic sensor to rotate, the magnetic sensor cuts a magnetic field generated by the magnet to trigger electromagnetic response, and the electromagnetic response data are generated;
And judging whether the cashier printer is jammed according to the electromagnetic response data.
8. A cashier printer, characterized in that: a paper jam detection system comprising a cashier printer of any one of claims 1 to 5.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111503311.6A CN114193945B (en) | 2021-12-09 | 2021-12-09 | Cashier printer card paper detection system and method and cashier printer |
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| CN202111503311.6A CN114193945B (en) | 2021-12-09 | 2021-12-09 | Cashier printer card paper detection system and method and cashier printer |
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| CN114193945A CN114193945A (en) | 2022-03-18 |
| CN114193945B true CN114193945B (en) | 2024-06-18 |
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