CN109769078B - Scanner operation method and device - Google Patents
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- CN109769078B CN109769078B CN201910040603.7A CN201910040603A CN109769078B CN 109769078 B CN109769078 B CN 109769078B CN 201910040603 A CN201910040603 A CN 201910040603A CN 109769078 B CN109769078 B CN 109769078B
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Abstract
The application provides a scanner operation method, which comprises the following steps: acquiring mechanical parameters of a scanner, sampling parameters of an optical sensor in the scanner and a running parameter group of the scanner; calculating the calibration value of the sampling parameter and the calibration value of the parameter group according to the mechanical parameter, the sampling parameter and the operation parameter group; and calibrating the sampling parameters of the optical sensor in the scanner according to the calibration values of the sampling parameters, and calibrating the operation parameter group of the scanner according to the calibration values of the parameter group. The scanner operation method provided by the application combines the operation parameters of the scanner and the design parameters of the scanner, realizes accurate automatic adjustment of the operation parameters of the scanner, does not need professionals, and improves the service efficiency of the scanner.
Description
Technical Field
The application relates to the technical field of automation, in particular to a scanner operation method and device.
Background
At present, with the conventional paper document replaced by a digital communication method, a scanner becomes one of indispensable office equipment.
A fixed scanning head scanner refers to a scanner with a fixed scanning head and a moving scanned piece in the scanning process, and the scanner can continuously scan a plurality of scanning pieces at high speed. In order to realize correct scanning of a scanning target, the scanner needs to determine the time when the scanning target reaches each scanning head, sampling parameters of an optical sensor of the scanning head, and operation parameters of a motor of the scanner.
In the prior art, a fixed scanning head scanner has no uniform operation model, manual adjustment is needed when the product design changes, the scanning speed is preset in a factory and cannot be adjusted, and when a certain operation error occurs after the product is used for a long time, the scanning effect is greatly reduced because the adjustment cannot be obtained.
Disclosure of Invention
In view of the above, an object of the present application is to provide a method and an apparatus for operating a scanner, which are used to solve the problem of difficulty in adjusting a fixed scanner head scanner in the prior art. The operation parameters of the scanner and the design parameters of the scanner can be combined, the operation parameters of the scanner can be accurately and automatically adjusted, professional personnel are not needed, and the service efficiency of the scanner is improved.
In a first aspect, an embodiment of the present application provides a scanner operation method, where the method includes:
acquiring mechanical parameters of a scanner, sampling parameters of an optical sensor in the scanner and a running parameter group of the scanner;
calculating the calibration value of the sampling parameter and the calibration value of the parameter group according to the mechanical parameter, the sampling parameter and the operation parameter group;
and calibrating the sampling parameters of the optical sensor in the scanner according to the calibration values of the sampling parameters, and calibrating the operation parameter group of the scanner according to the calibration values of the parameter group.
In combination with the first aspect, the present embodiments provide a first possible implementation manner of the first aspect, wherein the mechanical parameters of the scanner include electrical characteristic parameters and driving parameters of each motor, a gear ratio of a transmission mechanism, a diameter of a paper feed wheel, a position of each sensor, and a transient response characteristic thereof;
sampling parameters of an optical sensor in a scanner, including time parameter characteristics of the optical sensor.
With reference to the first aspect, an embodiment of the present application provides a second possible implementation manner of the first aspect, where the set of operating parameters of the scanner includes:
the scanning resolution of the scanner, the number of single line scans, and the single line data processing and transmission time.
With reference to the first aspect, the present embodiments provide a third possible implementation manner of the first aspect, where the correct scan parameter and time parameter include:
the scanning parameters comprise an actual paper feeding speed, an actual paper feeding speed and a single-line scanning time;
the time parameters comprise paper feeding time, paper feeding time and scanning starting time.
With reference to the first aspect, this embodiment provides a fourth possible implementation manner of the first aspect, where the calibrating the sampling parameter of the optical sensor in the scanner according to the calibration value of the sampling parameter, and after calibrating the set of operating parameters of the scanner according to the calibration value of the set of operating parameters, the method further includes:
setting the length of standard paper, placing a single piece of test paper into a scanner for at least two running tests, and recording the time parameters and the actual scanning line number of each sensor in each test;
calculating the average value of the time parameter and the actual scanning line number of each sensor in the at least two running tests;
obtaining a real scanning speed according to the actual scanning line number and the scanning parameters;
and recalibrating the operation parameter group of the scanner according to the real scanning speed, and recalibrating the sampling parameters of the optical sensors in the scanner by combining the time parameters of the sensors.
In a second aspect, an embodiment of the present application provides a scanner operating apparatus, including:
the system comprises a parameter module, a parameter setting module and a parameter setting module, wherein the parameter module is used for acquiring mechanical parameters of a scanner, sampling parameters of an optical sensor in the scanner and operating parameter sets of the scanner;
the calculation module is used for calculating the calibration value of the sampling parameter and the calibration value of the parameter group according to the mechanical parameter, the sampling parameter and the operation parameter group;
and the calibration module is used for calibrating the sampling parameters of the optical sensor in the scanner according to the calibration values of the sampling parameters and calibrating the operation parameter groups of the scanner according to the calibration values of the parameter groups.
With reference to the second aspect, the present embodiments provide a first possible implementation manner of the second aspect, where the computing module includes:
the scanning parameters comprise an actual paper feeding speed, an actual paper feeding speed and a single-line scanning time;
the time parameters comprise paper feeding time, paper feeding time and scanning starting time.
In combination with the second aspect, the present embodiments provide a second possible implementation manner of the second aspect, where the calibration module includes: the calibration module is used for setting the length of standard paper, placing single test paper into the scanner for at least two running tests, and recording the time parameters and the actual scanning line number of each sensor in each test;
calculating the average value of the time parameter and the actual scanning line number of each sensor in the at least two running tests;
obtaining a real scanning speed according to the actual scanning line number and the scanning parameters;
and recalibrating the operation parameter group of the scanner according to the real scanning speed, and recalibrating the sampling parameters of the optical sensors in the scanner by combining the time parameters of the sensors.
In a third aspect, the present application provides a computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements the steps of the method according to any one of the first aspect and possible embodiments thereof when executing the computer program.
In a fourth aspect, the present application provides a computer-readable storage medium having a computer program stored thereon, wherein the computer program, when executed by a processor, performs the steps of the method of any of the first aspect and its possible embodiments.
The scanner operation method and the scanner operation device provided by the embodiment of the application realize accurate automatic adjustment of the operation parameters of the scanner by combining the operation parameters of the scanner and the design parameters of the scanner. According to the scanner operation method and the scanner operation device, parameters of the scanner can be adjusted without professional staff, and the use efficiency of the scanner is improved.
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.
Fig. 1 is a schematic flowchart of an operating method of a scanner according to an embodiment of the present application;
fig. 2 is a schematic flowchart of a calibration method for automatically adjusting parameters of a scanner according to an embodiment of the present disclosure;
fig. 3 is a schematic view of an operating device of a scanner according to an embodiment of the present application;
fig. 4 is a schematic view of another scanner operating device provided in the embodiment of the present application;
fig. 5 is a schematic diagram of a computer device according to an embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.
The embodiment of the application provides a scanner operation method, as shown in fig. 1, including the following steps:
s100, acquiring mechanical parameters of a scanner, sampling parameters of an optical sensor in the scanner and a running parameter group of the scanner.
Specifically, factory parameters of the scanner and each sensor in the scanner and parameters of the scanner during operation are obtained, and data basis is provided for subsequent calculation processing.
And S101, calculating the calibration value of the sampling parameter and the calibration value of the parameter group according to the mechanical parameter, the sampling parameter and the operation parameter group.
Specifically, according to the parameters obtained in step S100, the scanning parameters and the time parameters that meet the current situation of the scanner are calculated through the parameter calculation model.
And S102, calibrating the sampling parameters of the optical sensor in the scanner according to the calibration values of the sampling parameters, and calibrating the operation parameter group of the scanner according to the calibration values of the parameter group.
Specifically, the obtained scanning parameters and time parameters which are in accordance with the current situation of the scanner are input into the scanner, and the scanning parameters of the scanner and the time parameters of the optical sensor are reset.
In an alternative embodiment, the mechanical parameters of the scanner include electrical characteristic parameters and driving parameters of each motor, a gear ratio of a transmission mechanism, a diameter of a paper feeding wheel, a position of each sensor and transient response characteristics thereof;
sampling parameters of an optical sensor in a scanner include time parameter characteristics of the optical sensor.
Specifically, the mechanical parameters of the scanner specifically include electrical characteristic parameters and driving parameters of each motor (such as the maximum rotation speed of the paper feeding motor), the gear ratio of the transmission mechanism, the diameter of the paper feeding wheel, the position of each sensor and the transient response characteristics thereof; the sampling parameters of the optical sensors collectively include time parameter characteristics of the optical sensors, such as sampling frequency, sampling period, output period, and the like.
In an optional embodiment, the set of operation parameters of the scanner includes:
the scanning resolution of the scanner, the number of single line scans, and the single line data processing and transmission time.
Specifically, the operation parameter set of the scanner specifically includes the scanning resolution of the scanner, the number of single-line scans, and the single-line data processing and transmission time.
The reason why the number of single-line scans is confirmed is that when some optical sensors scan a color image, each line needs to be scanned three times, and some applications of scanners require multiple single-line scans.
The single line data processing and transmission time is determined by the data system.
The set of operating parameters may also be added to the maximum operating speed of the scanner as optional data, added to the calculations as needed.
In an optional embodiment, the correct scan parameter and time parameter include:
the scanning parameters comprise actual paper feeding speed, actual paper feeding speed and single-line scanning time.
Specifically, after the minimum single-line single-scan time is calculated according to the parameters of the optical sensor (the calculation method is different due to different types of parameters, and the calculation method of the minimum single-line single-scan time is not limited in the present application), the scanning speed of the optical sensor is calculated according to the following formula:
scanning speed ═ unit length/scanning resolution/(single minimum scanning time of a single line × number of single line scans);
then, the processing speed of the scanner is calculated, and the formula is as follows:
processing speed is unit length/scanning resolution/single line data processing and transmission time
Then, the paper feeding speed is calculated according to the maximum rotating speed of the paper feeding motor calculated by the parameters of the paper feeding motor, and the formula is as follows:
the paper feeding speed is equal to the maximum rotating speed of the paper feeding motor, multiplied by the speed change ratio of the paper feeding transmission mechanism, multiplied by the circumference (diameter multiplied by pi) of the paper feeding driving wheel;
the actual paper feed speed is set to be the minimum value among the scanning speed, the processing speed, and the paper feed speed.
Calculating the paper feeding speed according to the maximum rotating speed of the paper feeding motor calculated by the parameters of the paper feeding motor, wherein the formula is as follows:
the paper feeding speed is equal to the highest rotating speed of a paper feeding motor, the speed ratio of a paper feeding transmission mechanism is multiplied by the circumference (diameter multiplied by pi) of a paper feeding driving wheel;
the actual paper feeding speed is determined as the actual paper feeding speed, which is a small value of the actual paper feeding speed and the paper feeding speed.
Obtaining a single-line scanning time according to the actual paper feeding speed and the scanning resolution of the optical sensor, wherein the formula is as follows:
one-line scan time is unit length/scan resolution/actual paper feed speed.
The time parameters include paper feeding time, paper feeding time and scanning start time.
Specifically, after the sensing delay of each sensor is calculated according to the transient response characteristic of each sensor, the paper feeding time and the scanning start time are calculated, and the formula is as follows:
the paper feeding time is the position of a paper feeding sensor/the actual paper feeding speed plus the sensing delay;
the paper feeding time is the position of the paper feeding sensor, the actual paper feeding speed and the sensing delay;
scanning start time is the scanning sensing position/actual paper feeding speed.
In an alternative embodiment, as shown in fig. 2, after calibrating the sampling parameter of the optical sensor in the scanner according to the calibration value of the sampling parameter and calibrating the set of operating parameters of the scanner according to the calibration value of the set of operating parameters, the method further includes:
and S1021, setting the length of the standard paper, placing the single test paper into a scanner for at least two running tests, and recording the time parameter and the actual scanning line number of each sensor in each test.
Specifically, the length of a standard paper is input into a scanner, then a single piece of test paper for testing is put into the scanner for running testing, the whole process of paper feeding, paper feeding and paper throwing is completed, and the time parameters and the actual scanning line number of each sensor are recorded.
And S1022, calculating the average value of the time parameter and the actual scanning line number of each sensor in the at least two running tests.
Specifically, since the reliability of the test result cannot be guaranteed by performing the operation test of step S1021 only once, the operation test is performed at least twice, and the average value of the result values is taken.
And S1023, obtaining the real scanning speed according to the actual scanning line number and the scanning parameters.
Specifically, the real scanning speed is calculated according to the actual scanning line number (average value) and the scanning parameter obtained in S101, and the formula is as follows:
the real scanning speed is the actual scanning line number/single-line scanning time.
And S1024, recalibrating the operation parameter group of the scanner according to the real scanning speed, and recalibrating the sampling parameters of the optical sensors in the scanner by combining the time parameters of the sensors.
Specifically, the time parameter of each sensor is corrected according to the real scanning speed and the average value of the time parameter of each sensor; and correcting the single-line scanning parameters according to the real scanning speed.
An embodiment of the present application further provides a scanner operating apparatus, as shown in fig. 3, including the following structure:
the parameter module 30 is used for acquiring mechanical parameters of the scanner, sampling parameters of an optical sensor in the scanner and operation parameter groups of the scanner.
Specifically, factory parameters of the scanner and each sensor in the scanner and parameters of the scanner during operation are obtained, and data basis is provided for subsequent calculation processing.
And a calculating module 31, configured to calculate, according to the mechanical parameter, the sampling parameter, and the operation parameter group, a calibration value of the sampling parameter and a calibration value of the parameter group.
Specifically, according to the parameters obtained by the parameter module, the scanning parameters and the time parameters which accord with the current situation of the scanner are calculated through the parameter calculation model.
A calibration module 32, configured to calibrate the sampling parameters of the optical sensor in the scanner according to the calibration values of the sampling parameters, and calibrate the operation parameter set of the scanner according to the calibration values of the parameter set.
Specifically, the obtained scanning parameters and time parameters which are in accordance with the current situation of the scanner are input into the scanner, and the scanning parameters of the scanner and the time parameters of the optical sensor are reset.
In an optional embodiment, the computing module includes:
the scanning parameters comprise actual paper feeding speed, actual paper feeding speed and single-line scanning time.
Specifically, after the minimum single-line single-scan time is calculated according to the parameters of the optical sensor (the calculation method is different due to different types of parameters, and the calculation method of the minimum single-line single-scan time is not limited in the present application), the scanning speed of the optical sensor is calculated according to the following formula:
scanning speed ═ unit length/scanning resolution/(single minimum scanning time of a single line × number of single line scans);
then, the processing speed of the scanner is calculated, and the formula is as follows:
processing speed is unit length/scanning resolution/single line data processing and transmission time
Then, the paper feeding speed is calculated according to the maximum rotating speed of the paper feeding motor calculated by the parameters of the paper feeding motor, and the formula is as follows:
the paper feeding speed is equal to the maximum rotating speed of the paper feeding motor, multiplied by the speed change ratio of the paper feeding transmission mechanism, multiplied by the circumference (diameter multiplied by pi) of the paper feeding driving wheel;
the actual paper feed speed is set to be the minimum value among the scanning speed, the processing speed, and the paper feed speed.
Calculating the paper feeding speed according to the maximum rotating speed of the paper feeding motor calculated by the parameters of the paper feeding motor, wherein the formula is as follows:
the paper feeding speed is equal to the highest rotating speed of a paper feeding motor, the speed ratio of a paper feeding transmission mechanism is multiplied by the circumference (diameter multiplied by pi) of a paper feeding driving wheel;
the actual paper feeding speed is determined as the actual paper feeding speed, which is a small value of the actual paper feeding speed and the paper feeding speed.
Obtaining a single-line scanning time according to the actual paper feeding speed and the scanning resolution of the optical sensor, wherein the formula is as follows:
one-line scan time is unit length/scan resolution/actual paper feed speed.
The time parameters include paper feeding time, paper feeding time and scanning start time.
Specifically, after the sensing delay of each sensor is calculated according to the transient response characteristic of each sensor, the paper feeding time and the scanning start time are calculated, and the formula is as follows:
the paper feeding time is the position of a paper feeding sensor/the actual paper feeding speed plus the sensing delay;
the paper feeding time is the position of the paper feeding sensor, the actual paper feeding speed and the sensing delay;
scanning start time is the scanning sensing position/actual paper feeding speed.
In an alternative embodiment, as shown in fig. 4, the method further includes: and the recalibration module is used for setting the length of the standard paper, putting the single test paper into the scanner for at least two running tests, and recording the time parameters and the actual scanning line number of each sensor in each test.
Specifically, the length of a standard paper is input into a scanner, then a single piece of test paper for testing is put into the scanner for running testing, the whole process of paper feeding, paper feeding and paper throwing is completed, and the time parameters and the actual scanning line number of each sensor are recorded.
And calculating the average value of the time parameter and the actual scanning line number of each sensor in the at least two running tests.
Specifically, since the reliability of the test result cannot be guaranteed by performing the operation test of step S1021 only once, the operation test is performed at least twice, and the average value of the result values is taken.
Obtaining a real scanning speed according to the actual scanning line number and the scanning parameters;
specifically, the real scanning speed is calculated according to the actual scanning line number (average value) and the scanning parameter obtained in S101, and the formula is as follows:
the real scanning speed is the actual scanning line number/single-line scanning time.
And recalibrating the operation parameter group of the scanner according to the real scanning speed, and recalibrating the sampling parameters of the optical sensors in the scanner by combining the time parameters of the sensors.
Specifically, the time parameter of each sensor is corrected according to the real scanning speed and the average value of the time parameter of each sensor; and correcting the single-line scanning parameters according to the real scanning speed.
Corresponding to the scanner operation method in fig. 1, an embodiment of the present application further provides a computer device 500, as shown in fig. 5, the device includes a memory 501, a processor 502, and a computer program stored on the memory 501 and executable on the processor 502, where the processor 502 implements the scanner operation method when executing the computer program.
Specifically, the memory 501 and the processor 502 can be general memories and processors, which are not limited in particular, and when the processor 502 runs a computer program stored in the memory 501, the scanner running method can be executed, so that the problem that the scanner with a fixed scanner head in the prior art is difficult to adjust is solved.
Corresponding to the scanner operation method in fig. 1, the present application further provides a computer-readable storage medium, on which a computer program is stored, and the computer program, when executed by a processor, performs the steps of the scanner operation method.
Specifically, the storage medium can be a general storage medium, such as a mobile magnetic disk, a hard disk, and the like, when a computer program on the storage medium is executed, the scanner operation method can be executed, and the problem that the scanner with a fixed scanner head is difficult to adjust in the prior art is solved. Like this, this application realizes the accurate automatic adjustment to the operation parameter of scanner through the design parameter that combines the operation parameter of scanner and itself, need not professional and just can make the adjustment to the parameter of scanner, has improved the availability factor of scanner.
In the embodiments provided in the present application, it should be understood that the disclosed method and apparatus may be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units is only one logical division, and there may be other divisions when actually implemented, and for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection of devices or units through some communication interfaces, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments provided in the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application or portions thereof that substantially contribute to the prior art may be embodied in the form of a software product stored in a storage medium and including instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus once an item is defined in one figure, it need not be further defined and explained in subsequent figures, and moreover, the terms "first", "second", "third", etc. are used merely to distinguish one description from another and are not to be construed as indicating or implying relative importance.
Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present application, and are used for illustrating the technical solutions of the present application, but not limiting the same, and the scope of the present application is not limited thereto, and although the present application is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope disclosed in the present application; such modifications, changes or substitutions do not depart from the spirit and scope of the present disclosure, which should be construed in light of the above teachings. Are intended to be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (6)
1. A method of operating a scanner, comprising:
acquiring mechanical parameters of a scanner, sampling parameters of an optical sensor in the scanner and a running parameter group of the scanner;
calculating the calibration value of the sampling parameter and the calibration value of the parameter group according to the mechanical parameter, the sampling parameter and the operation parameter group; mechanical parameters of the scanner comprise electrical characteristic parameters and driving parameters of each motor, a gear ratio of a transmission mechanism, the diameter of a paper feeding wheel, the position of each sensor and transient response characteristics of the sensor; sampling parameters of an optical sensor in a scanner, including time parameter characteristics of the optical sensor; the set of operating parameters of the scanner includes: the scanning resolution, the single-line scanning times and the single-line data processing and transmission time of the scanner; the calculation formula of the calibration value of the sampling parameter and the calibration value of the parameter group is as follows:
scanning speed ═ unit length ÷ scanning resolution ÷ (single line single minimum scan time × single line scan times);
processing speed is unit length divided by scanning resolution divided by single-line data processing and transmission time;
the paper feeding speed is equal to the maximum rotating speed of the paper feeding motor, the speed change ratio of the paper feeding transmission mechanism and the circumference of the paper feeding driving wheel;
the actual paper feeding speed is min (scanning speed, processing speed, paper feeding speed);
the paper feeding speed is equal to the highest rotating speed of a paper feeding motor, the speed ratio of a paper feeding transmission mechanism and the circumference of a paper feeding driving wheel;
an actual paper feed speed is min (actual paper feed speed, paper feed speed);
scanning resolution is divided by actual paper feeding speed;
the paper feeding time is divided into the position of a paper feeding sensor, the actual paper feeding speed and the sensing time delay;
the paper feeding time is the paper feeding sensor position divided by the actual paper feeding speed plus the sensing delay;
scanning start time is scanning sensing position ÷ actual paper feeding speed;
wherein the unit length is a length of a single line scanned by the scanner, the length being determined according to a unit of a scanning resolution of the scanner;
and calibrating the sampling parameters of the optical sensor in the scanner according to the calibration values of the sampling parameters, and calibrating the operation parameter group of the scanner according to the calibration values of the parameter group.
2. The method of claim 1, wherein calibrating the sampling parameters of the optical sensor in the scanner according to the calibration values of the sampling parameters, and after calibrating the set of operating parameters of the scanner according to the calibration values of the set of operating parameters, further comprises:
setting the length of standard paper, placing a single piece of test paper into a scanner for at least two running tests, and recording the time parameters and the actual scanning line number of each sensor in each test;
calculating the average value of the time parameter and the actual scanning line number of each sensor in the at least two running tests;
obtaining a real scanning speed according to the actual scanning line number and the single-line scanning time;
and recalibrating the operation parameter group of the scanner according to the real scanning speed, and recalibrating the sampling parameters of the optical sensors in the scanner by combining the time parameters of the sensors.
3. A scanner operation device, comprising:
the system comprises a parameter module, a parameter setting module and a parameter setting module, wherein the parameter module is used for acquiring mechanical parameters of a scanner, sampling parameters of an optical sensor in the scanner and operating parameter sets of the scanner;
the calculation module is used for calculating the calibration value of the sampling parameter and the calibration value of the parameter group according to the mechanical parameter, the sampling parameter and the operation parameter group; mechanical parameters of the scanner comprise electrical characteristic parameters and driving parameters of each motor, a gear ratio of a transmission mechanism, the diameter of a paper feeding wheel, the position of each sensor and transient response characteristics of the sensor; sampling parameters of an optical sensor in a scanner, including time parameter characteristics of the optical sensor; the set of operating parameters of the scanner includes: the scanning resolution, the single-line scanning times and the single-line data processing and transmission time of the scanner; the calculation formula of the calibration value of the sampling parameter and the calibration value of the parameter group is as follows:
scanning speed ═ unit length ÷ scanning resolution ÷ (single line single minimum scan time × single line scan times);
processing speed is unit length divided by scanning resolution divided by single-line data processing and transmission time;
the paper feeding speed is equal to the maximum rotating speed of the paper feeding motor, the speed change ratio of the paper feeding transmission mechanism and the circumference of the paper feeding driving wheel;
the actual paper feeding speed is min (scanning speed, processing speed, paper feeding speed);
the paper feeding speed is equal to the highest rotating speed of a paper feeding motor, the speed ratio of a paper feeding transmission mechanism and the circumference of a paper feeding driving wheel;
an actual paper feed speed is min (actual paper feed speed, paper feed speed);
scanning resolution is divided by actual paper feeding speed;
the paper feeding time is divided into the position of a paper feeding sensor, the actual paper feeding speed and the sensing time delay;
the paper feeding time is the paper feeding sensor position divided by the actual paper feeding speed plus the sensing delay;
scanning start time is scanning sensing position ÷ actual paper feeding speed;
wherein the unit length is a length of a single line scanned by the scanner, the length being determined according to a unit of a scanning resolution of the scanner;
and the calibration module is used for calibrating the sampling parameters of the optical sensor in the scanner according to the calibration values of the sampling parameters and calibrating the operation parameter groups of the scanner according to the calibration values of the parameter groups.
4. The apparatus of claim 3, further comprising: the recalibration module is used for setting the length of standard paper, putting single test paper into the scanner for at least two running tests, and recording the time parameters and the actual scanning line number of each sensor in each test;
calculating the average value of the time parameter and the actual scanning line number of each sensor in the at least two running tests;
obtaining a real scanning speed according to the actual scanning line number and the single-line scanning time;
and recalibrating the operation parameter group of the scanner according to the real scanning speed, and recalibrating the sampling parameters of the optical sensors in the scanner by combining the time parameters of the sensors.
5. A computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the steps of the method of any of the preceding claims 1-2 are implemented by the processor when executing the computer program.
6. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the method according to any one of the claims 1-2.
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