CN115027153A - Label printer, label specification automatic detection method, configuration method and device - Google Patents
Label printer, label specification automatic detection method, configuration method and device Download PDFInfo
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- CN115027153A CN115027153A CN202210675990.3A CN202210675990A CN115027153A CN 115027153 A CN115027153 A CN 115027153A CN 202210675990 A CN202210675990 A CN 202210675990A CN 115027153 A CN115027153 A CN 115027153A
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- 238000001514 detection method Methods 0.000 title abstract description 14
- 238000004806 packaging method and process Methods 0.000 claims description 5
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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
- B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
- B41J3/407—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
- B41J3/4075—Tape printers; Label printers
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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
- B41J29/38—Drives, motors, controls or automatic cut-off devices for the entire printing mechanism
- B41J29/393—Devices for controlling or analysing the entire machine ; Controlling or analysing mechanical parameters involving printing of test patterns
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07G—REGISTERING THE RECEIPT OF CASH, VALUABLES, OR TOKENS
- G07G1/00—Cash registers
- G07G1/0018—Constructional details, e.g. of drawer, printing means, input means
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Abstract
The embodiment of the application provides a label printer, an automatic detection method of label specification, a configuration method and a device, wherein the label printer comprises: a print head, a processor, and a photosensor; the printing head is used for printing on the label of the label paper when the label paper is fed in the target plane; the processor is used for acquiring electric signals generated by a plurality of photoelectric sensors emitting light towards a target plane, determining the number of target photoelectric sensors receiving the light reflected by the label paper through the electric signals, and determining the first size based on the number of the target photoelectric sensors and the distance between adjacent photoelectric sensors. The processor is also used for determining the paper feeding time of a label through the electric signal generated by the target photoelectric sensor; and determining the second size based on the paper feeding speed and the paper feeding time of the label paper, thereby finally obtaining the label specification of the label paper. According to the embodiment of the application, the label specification can be automatically detected, and the risk that the label specification is configured wrongly is reduced.
Description
Technical Field
The application relates to the technical field of label printing, in particular to a label printer, an automatic label specification detection method, a configuration method and a configuration device.
Background
The label printer is a printer capable of printing on a label, and uses printing paper as label paper, and the label paper includes a base paper and a plurality of labels covered on the base paper. Because the adjacent labels are spaced, each label can be easily and independently taken off from the label paper, and the label can be conveniently applied to the object.
At present, in the practical application process of a label printer, the size of a label needs to be input in a cash register connected with the label printer in an artificial mode, so that information is reasonably printed on the label, and the information printed in the label is prevented from being lost or the font is prevented from being too small.
However, the manual setting of the label size results in a low degree of automation and the possibility of error transportation.
Disclosure of Invention
The embodiment of the application provides a label printer, an automatic label specification detection method, a configuration method and a configuration device, and aims to at least solve the technical problems that manual setting of label sizes in the prior art causes low automation degree and errors easily.
According to an aspect of an embodiment of the present application, there is provided a label printer comprising: a print head, a processor, and a photosensor;
the printing head is used for printing on the label of the label paper when the label paper is fed in the target plane;
the photoelectric sensor is used for emitting light and generating an electric signal under the condition of receiving the light;
the processor is used for acquiring the electric signals generated by the photoelectric sensors which emit light rays towards the target plane, determining the number of target photoelectric sensors which receive the light rays reflected by the label paper through the electric signals, and determining a first size of the label based on the number of the target photoelectric sensors and the distance between the adjacent photoelectric sensors; the photoelectric sensors are uniformly arranged along a first edge of the label, and the arrangement length of the photoelectric sensors is greater than that of the first edge;
the processor is also used for determining the paper feeding time of one label through the electric signal generated by the target photoelectric sensor; and determining a second size of the label based on the paper feeding speed and the paper feeding time length of the label paper;
the processor is further configured to generate a label specification for the label stock based on the first size and the second size.
Optionally, the processor is further configured to package the tag specification into tag configuration information based on a preset protocol, and output the tag configuration information to a cash register.
Optionally, the photosensor is a reflective photosensor.
According to another aspect of the embodiments of the present application, there is provided a method for automatically detecting a label specification, which is applied to a label printer, the method including:
when label paper of the label printer is fed in a target plane, acquiring the electric signals generated by a plurality of photoelectric sensors which emit light rays towards the target plane; the photoelectric sensors are uniformly arranged along a first edge of the label, and the arrangement length of the photoelectric sensors is greater than that of the first edge;
determining the number of target photoelectric sensors receiving light reflected by the label paper through the electric signals, and determining a first size of the label based on the number of the target photoelectric sensors and the distance between adjacent photoelectric sensors;
determining a paper feeding time length of one label through an electric signal generated by the target photoelectric sensor, and determining a second size of the label based on the paper feeding speed of the label paper and the paper feeding time length;
generating a label specification for the label paper based on the first size and the second size.
Optionally, the determining a paper-feeding duration of one of the tags by the electric signal generated by the target photosensor includes:
determining the duration of the amplitude value larger than a first preset amplitude value in a change period based on the periodic change rule of the electric signal generated by the target photoelectric sensor;
and determining the duration of the amplitude value larger than a first preset amplitude value in the variation period as the paper feeding duration of one label.
Optionally, after the generating the label specification of the label paper based on the first size and the second size, the method further comprises:
packaging the label specification to label configuration information based on a preset protocol;
outputting the label configuration information to a cash register to enable the cash register to configure label specification configuration items of the label printer based on the label specifications in the label configuration information.
According to another aspect of the embodiments of the present application, there is provided a method for automatically configuring a tag specification, which is applied to a cash register, the method including:
receiving label configuration information which is sent by a label printer and carries label specifications, wherein the label specifications are generated based on a first size determined by the number of target photoelectric sensors and the distance between adjacent photoelectric sensors and a second size determined by the paper feeding speed of label paper and the paper feeding time of one label after determining the paper feeding time of the label through electric signals generated by the target photoelectric sensors and the number of target photoelectric sensors, and determining the paper feeding time of the label;
setting configuration content of a label specification configuration item corresponding to the label printer in the cash register as the label specification in the label configuration information.
Optionally, the label configuration information is information generated by the label printer by encapsulating the label specification by using a preset protocol;
the setting the configuration content of the tag specification configuration item corresponding to the tag printer in the cash register as the tag specification in the tag configuration information includes:
analyzing the label configuration information by adopting the preset protocol to obtain the label specification;
and setting the configuration content of the label specification configuration item corresponding to the label printer in the cash register as the label specification.
According to another aspect of the embodiments of the present application, there is provided an apparatus for automatically detecting a label specification, which is applied to a label printer, the apparatus including:
the acquisition module is used for acquiring the electric signals generated by the photoelectric sensors which emit light rays towards a target plane when label paper of the label printer is fed in the target plane; the photoelectric sensors are uniformly arranged along a first edge of the label, and the arrangement length of the photoelectric sensors is greater than that of the first edge;
a specification determining module determining the number of target photosensors receiving light reflected by the label paper through the electric signal, and determining a first size of the label based on the number of target photosensors and a distance between adjacent photosensors; determining a paper feeding time length of one label through an electric signal generated by the target photoelectric sensor, and determining a second size of the label based on the paper feeding speed of the label paper and the paper feeding time length; generating a label specification for the label paper based on the first size and the second size.
According to another aspect of the embodiments of the present application, there is provided an apparatus for automatically configuring a label specification, which is applied to a cash register, the apparatus including:
the receiving module is used for receiving label configuration information which is sent by a label printer and carries label specifications, wherein the label specifications are generated based on a first size determined by the number of target photoelectric sensors and the distance between adjacent photoelectric sensors and a second size determined by the paper feeding speed of label paper and the paper feeding duration of one label after the number of the target photoelectric sensors and the distance between the adjacent photoelectric sensors are determined by electric signals generated by the target photoelectric sensors when the label paper of the label printer is fed in a target plane;
and the configuration module is used for setting the configuration content of the label specification configuration item corresponding to the label printer in the cash register as the label specification in the label configuration information.
According to still another aspect of an embodiment of the present application, there is provided an electronic apparatus including:
a processor, a memory, and a computer program stored on the memory and executable on the processor, the processor implementing the method for automatic detection of a label specification or the method for automatic configuration of a label specification as described above when executing the program.
According to yet another aspect of embodiments of the present application, there is provided a readable storage medium, wherein instructions, when executed by a processor of an electronic device, enable the electronic device to perform the method of automatic detection of a label specification or the method of automatic configuration of a label specification as described above.
In an embodiment of the present application, a label printer includes: a print head, a processor, and a photosensor. The printing head is used for printing on the label of the label paper when the label paper is fed in the target plane; the photoelectric sensor is used for emitting light and generating an electric signal under the condition of receiving the light. The processor obtains electric signals generated by a plurality of photoelectric sensors which emit light towards the target plane, and then determines the number of target photoelectric sensors which receive the light reflected by the label paper based on the electric signals. Since the plurality of photoelectric sensors all emit light, only part of the photoelectric sensors receive the light reflected by the label paper. Therefore, the first size of the label can be determined by the number of target photosensors that receive light reflected by the label paper and the distance between adjacent photosensors. After the paper feeding time length of a label is determined through the electric signal generated by the target photoelectric sensor, the second size of the label can be determined by the paper feeding speed and the paper feeding time length of the label paper. And finally, generating a label specification based on the first size and the second size, so that the automatic detection of the label specification is realized. Moreover, under the condition that the label specification is output to the cash register, the automatic configuration of the label specification can be realized, the automation degree can be improved, and meanwhile, the risk that the label specification is configured wrongly is also reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the description of the embodiments of the present application will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a block diagram of a label printer according to an embodiment of the present application;
FIG. 2 provides a schematic illustration of the relative positions of a photosensor and a tag in an embodiment of the present application;
fig. 3 is a graph showing a change in the second reverse-phase voltage value during printing for two different types of label paper;
FIG. 4 is a schematic diagram of a circuit structure of a photo sensor and an inverting amplifier circuit according to an embodiment of the present disclosure;
FIG. 5 is a flowchart illustrating steps of a method for automatic detection of label specifications according to an embodiment of the present application;
FIG. 6 is a flowchart illustrating steps of a method for automatically configuring a tag specification according to an embodiment of the present application;
fig. 7 is a block diagram of an apparatus for automatically detecting a label specification according to an embodiment of the present application;
fig. 8 is a block diagram of an apparatus for automatically configuring a tag specification according to an embodiment of the present application.
Detailed Description
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 some, but not all, embodiments of the present application. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.
It should be appreciated that reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure or characteristic described in connection with the embodiment is included in at least one embodiment of the present application. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.
In various embodiments of the present application, it should be understood that the sequence numbers of the following processes do not mean the execution sequence, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation to the implementation process of the embodiments of the present application.
Referring to fig. 1, embodiments of the present application provide a label printer comprising:
a print head 11, a processor 12, and a photo sensor 13 (only three are illustrated in fig. 1, but not limited to three).
The print head 11 is used to print on the labels of the label paper as the label paper is fed in the target plane.
It will be appreciated that the print head 11 is also the part of the label printer that produces the print, for example the print head of an ink jet printer is what we refer to as a nozzle. It will be appreciated that during operation of the label printer, the label paper will extend from the interior of the label printer past the print head 11 to the print head 11, and the label on the label paper will be printed with data information as the label paper passes the print head 11. The target plane is the plane to which a label currently passing the print head 11 belongs during operation of the label printer.
The photosensor 13 is used to emit light and to generate an electrical signal in the event of receiving light. Wherein the amplitude of the electrical signal generated by the photoelectric sensor 13 is positively correlated to the intensity of the received light.
The processor 12 is configured to obtain electrical signals generated by the plurality of photosensors 13 emitting light toward a target plane, determine the number of target photosensors 13 receiving light reflected by the label paper from the electrical signals, and determine a first size of the label based on the number of target photosensors 13 and a distance between adjacent photosensors 13; the plurality of photosensors 13 are uniformly arranged along the first edge of the label, and the arrangement length is longer than that of the first edge.
It should be noted that the plurality of photosensors 13 are uniformly arranged on the print head 11, and at the same time, the plurality of photosensors 13 each emit light toward the target plane. The plurality of photosensors 13 are arranged uniformly along the first side of the label, indicating that the intersections of the light emitted by the plurality of photosensors 13 with the target plane are arranged uniformly along the first side of the label. The arrangement length is understood to mean the distance between two farthest intersection points, that is, the distance between two farthest photosensors 13 among the plurality of photosensors 13, when the intersection points are arranged in a straight line in the target plane. The first edge is an edge of the label perpendicular to the direction of paper feed. As shown in fig. 2, the plurality of photosensors 13 provided in the print head 11 are arranged in a straight line, and the arrangement length L1 is longer than the length L2 of the first side of the label 14.
With continued reference to fig. 2, during the paper feeding process of the label paper, only a part of the photosensors 13 can receive the light reflected by the label paper, and the remaining part of the photosensors 13 can only receive other light in nature, so that the electrical signals generated by the two parts of the photosensors 13 have great difference. The number of target photoelectric sensors receiving light reflected by the label paper can be easily judged through the difference of all electric signals. Here, the length of the first edge, i.e., the first size of the tag, is measured by the photosensor. For example, if the distance between two adjacent photosensors 13 is 10 mm and the number of target photosensors is 3, the first dimension L is 10 × (3-1) ═ 20 mm.
The processor 12 is further configured to determine a paper feeding time of a label through the electric signal generated by the target photoelectric sensor 13; and determining a second size of the label based on the paper feeding speed and the paper feeding time of the label paper.
The processor 12 is also configured to generate a label specification for the label stock based on the first size and the second size.
It should be noted that the paper feeding speed is a moving speed of the label paper relative to the print head 11 during paper feeding. The label paper comprises a base paper and a plurality of labels covered on the base paper, and the adjacent labels are spaced. Therefore, during the paper feeding process of the label paper, the electric signal generated based on the light reflected by the label paper changes periodically, and the electric signals generated based on the light reflected by the label and the base paper respectively have obvious difference, so that the duration of the electric signal generated based on the light reflected by the label in one change period can be determined. The product of the duration and the paper feed speed is taken as the second size of the label. Here, when the first dimension is a length of the label, the second dimension is a width of the label; where the first dimension is the width of the label, the second dimension is the length of the label.
In an embodiment of the present application, a label printer includes: a print head, a processor, and a photosensor. The printing head is used for printing on the label of the label paper when the label paper is fed in the target plane; the photoelectric sensor is used for emitting light and generating an electric signal under the condition of receiving the light. The processor obtains electric signals generated by a plurality of photoelectric sensors which emit light towards the target plane, and then determines the number of target photoelectric sensors which receive the light reflected by the label paper based on the electric signals. Since the plurality of photoelectric sensors all emit light, only part of the photoelectric sensors receive the light reflected by the label paper. Therefore, the first size of the label can be determined by the number of target photosensors that receive light reflected by the label paper and the distance between adjacent photosensors. After the paper feeding time length of a label is determined through the electric signal generated by the target photoelectric sensor, the second size of the label can be determined by the paper feeding speed and the paper feeding time length of the label paper. And finally, generating a label specification based on the first size and the second size, thereby realizing the automatic detection of the label specification. Moreover, under the condition that the label specification is output to the cash register, the automatic configuration of the label specification can be realized, the automation degree can be improved, and meanwhile, the risk that the label specification is configured wrongly is also reduced.
Optionally, the processor is further configured to package the tag specification to the tag configuration information based on a preset protocol, and output the tag configuration information to the cash register.
It should be noted that the preset protocol is a predefined protocol, and it is understood that the label printer and the cash register both store the protocol content of the preset protocol in advance, so that both can recognize the preset protocol, that is, both can use the preset protocol to encapsulate the message, and can parse the message encapsulated by the pre-audit protocol.
In the embodiment of the application, after the label specification is encapsulated to the label configuration information through the preset protocol, the label specification is output to the cash register, so that the cash register can realize automatic configuration of the label printer, the automation degree of the configuration process of the label printer is improved, and meanwhile, the problem that manual configuration is easy to make mistakes is also avoided.
Optionally, the photosensor is a reflective photosensor.
It should be noted that the reflective photoelectric sensor is a device in which the emitter and the receiver are installed, and the emitter emits light in a fixed direction and the receiver receives the reflected light.
In the embodiment of the application, the reflection type photoelectric sensor is adopted to arrange the parts for emitting light and receiving light in one device, so that the occupied space can be reduced, and the layout of other parts in the label printer is facilitated.
Optionally, the number of the photosensors is M, and the processor includes: the device comprises a processing unit, M inverting amplifier circuits and M inverting circuits, wherein the M inverting amplifier circuits and the M inverting circuits are respectively electrically connected with the processing unit;
each inverting amplifier circuit is electrically connected with one photoelectric sensor, and the photoelectric sensors electrically connected with different inverting amplifier circuits are different; each inverting circuit is electrically connected to one inverting amplifier circuit, and the inverting amplifier circuits to which different inverting circuits are electrically connected are different.
It is understood that, in calculating the label specification, only N photosensors which receive light reflected by the label paper among the M photosensors may be used. Wherein N is less than M. Therefore, the N inverting amplifier circuits are electrically connected with the N photoelectric sensors and used for receiving the electric signals output by the N photoelectric sensors and outputting a first inverting voltage value corresponding to each electric signal. It is understood that, in the above embodiment, since only N photosensors generate the electric signals, N inverting amplifier circuits connected to the N photosensors receive the electric signals, and output a corresponding inverted voltage value, i.e., a first inverted voltage value, for each electric signal. And the N inverting circuits are electrically connected with the N inverting amplifier circuits and used for receiving the first inverting voltage values output by the N inverting amplifier circuits and outputting a second inverting voltage value corresponding to each first inverting voltage value. The second inversion voltage value is the voltage value of the electric signal processed by the inverter circuit on the electric signal with the first inversion voltage value. The inverter circuit is used to invert the phase of the electrical signal by 180 degrees, which is not overrepresented here. It is understood that the second inverse voltage value of the electrical signal generated by the corresponding photosensor is a high level. As shown in fig. 3, a graph of a change in the second reverse-phase voltage value during printing for two different types of label paper is shown. Wherein, two different types of label paper are: white label + green base paper; white label + white base paper. As can be seen from fig. 3, for the first variation curve 301 corresponding to the label paper of the white label + the green base paper, the second reversed-phase voltage value corresponding to the electrical signal generated by the light reflected by the white label is about 2.6 volts, and the second reversed-phase voltage value corresponding to the electrical signal generated by the light reflected by the green base paper is about 1.6 volts. For the first variation curve 302 corresponding to the label paper of the white label and the white base paper, the second reversed-phase voltage value corresponding to the electric signal generated by the light reflected by the white label is about 2.9 volts, and the second reversed-phase voltage value corresponding to the electric signal generated by the light reflected by the white base paper is about 2.1 volts. If the light emitted by one photoelectric sensor does not irradiate the label paper, the corresponding second reversed-phase voltage value is close to 0 volt.
The processing unit is used for receiving the second reversed phase voltage values output by the N reversed phase circuits, acquiring the paper feeding speed of the label paper, and outputting the label specification of the label paper based on the paper feeding speed and the second reversed phase voltage values output by the N reversed phase circuits.
It should be noted that the variation of the second inverted voltage value is consistent with the variation of the electrical signal directly generated by the photosensor, and the difference between the two is that the variation in the second inverted voltage value is more obvious and stable. Therefore, the duration of the electric signal generated based on the light reflected by the label in one variation period can be indirectly determined through the variation condition of the second reversed-phase voltage value, and the product of the duration and the paper feeding speed is used as the second size of the label. Similarly, the processing unit may easily calculate the first size of the label according to the preset distance between the photoelectric sensors and the number of the photoelectric sensors receiving the light reflected by the label paper, which is not described herein again.
In the embodiment of the application, through the dual processing of the inverting amplifier circuit and the inverting circuit, the stability of the electric signal can be improved, so that a second inverting voltage value which is more convenient to process is obtained. And the label specification is calculated by utilizing the second reversed phase voltage value, so that the complexity of the calculation process is reduced.
Alternatively, a circuit structure of a photosensor and an inverting amplifier circuit may be as shown in fig. 4, in which the photosensor includes: a light emitting diode D1 and a phototransistor Q1; the inverting amplifier circuit includes: the circuit comprises a comparator M1, a first resistor R1, a second resistor R2, a third resistor R3, a fourth resistor R4, a fifth resistor R5 and a power supply. The first end of the phototransistor Q1, the first end of the fourth resistor R4, the 8 th pin of the comparator M1, and the first end of the fifth resistor R5 are respectively connected to a power supply, and the first end of the first resistor R1, the first end of the second resistor R2, the first end of the third resistor R3, and the 4 th pin of the comparator M1 are respectively grounded. A second end of the first resistor R1 is connected with a first end of the light emitting diode, and a second end of the second resistor R2 is connected with a second end of the phototransistor Q1 and a 2 nd pin of the comparator M1 respectively; the second end of the third resistor R3 is respectively connected with the second end of the fourth resistor and the 3 rd pin of the comparator M1; the second end of the fifth resistor R5 is connected to pin 1 of the comparator M1 and serves as the output terminal of the inverting amplifier circuit. The resistance of the first resistor R1 may be 180 ohms, the resistance of the second resistor R2 may be 15000 ohms, the resistance of the third resistor R3 may be 24000 ohms, the resistance of the fourth resistor R4 may be 56000 ohms, the resistance of the fifth resistor R5 may be 4700 ohms, the power supply may be +5 volts, and the type of the comparator M1 may be MB 47393. The resistance of each resistor may have an error in a proportional range, and preferably, the range may be-2% to + 2%. Taking the first resistor R1 as an example of 180 ohms, the resistance of the first resistor R1 may be any value within 180 ± 2%, that is, any value in the range of values [176.4, 183.6 ].
Preferably, the number of the photosensors is 4 or more and 6 or less. The number of photosensors determines to some extent the number of label specifications that can be identified by the label printer. It will be appreciated that labels of different label formats have different first dimensions so that the label paper can reflect light emitted by different numbers of photosensors. The number of the photoelectric sensors is not less than 4, so that the label printer can identify a plurality of labels with different sizes, and meanwhile, the number of the photoelectric sensors is not more than 6, and the number of the photoelectric sensors can be avoided from being too large.
Referring to fig. 5, an embodiment of the present application provides a method for automatically detecting a label specification, which is applied to a label printer, and the method includes:
step 501: when label paper of a label printer is fed in a target plane, electric signals generated by a plurality of photoelectric sensors emitting light rays towards the target plane are acquired.
In this step, the plurality of photosensors are uniformly arranged along the first side of the tag, and the arrangement length is longer than the length of the first side. That is, the intersections of the light rays emitted by the plurality of photosensors with the target plane are uniformly aligned along the first side of the label. The arrangement length is understood to be a distance between two farthest intersection points, that is, a distance between two farthest photosensors, when the intersection points are arranged in a straight line in the target plane. The first edge is an edge of the label perpendicular to the direction of paper feed.
Step 502: the number of target photosensors that receive light reflected by the label paper is determined by the electrical signal, and the first size of the label is determined based on the number of target photosensors and the distance between adjacent photosensors.
It should be noted that, during the paper feeding process of the label paper, only part of the photosensors can receive the light reflected by the label paper, and the rest of the photosensors can only receive other light in nature, so that the electrical signals generated by the two parts of photosensors have great difference. The number of target photoelectric sensors receiving light reflected by the label paper can be easily judged through the difference of all electric signals. Here, the length of the first edge, i.e., the first size of the tag, is measured by the photosensor. For example, if the distance between two adjacent photosensors is 10 mm and the number of target photosensors is 3, the first dimension L is 10 × (3-1) ═ 20 mm.
Step 503: the paper feeding time of a label is determined through the electric signal generated by the target photoelectric sensor, and the second size of the label is determined based on the paper feeding speed and the paper feeding time of the label paper.
In this step, the label paper includes a base paper and a plurality of labels covering the base paper, and there is a space between adjacent labels. Therefore, during the paper feeding process of the label paper, the electric signals generated based on the light reflected by the label paper will change periodically, and there is a significant difference between the electric signals generated based on the light reflected by the label and the base paper. Thus, the paper-feeding time of one label, i.e., the time taken for one label to pass a certain position completely, can be obtained. And taking the product of the paper feeding time length and the paper feeding speed as the second size of the label. Here, when the first dimension is a length of the label, the second dimension is a width of the label; where the first dimension is the width of the label, the second dimension is the length of the label.
Step 504: a label specification of the label paper is generated based on the first size and the second size.
In the embodiment of the application, the plurality of photoelectric sensors all emit light, but only part of the photoelectric sensors receive the light reflected by the label paper. Therefore, during the label paper feeding process, the first size of the label can be determined by the number of target photoelectric sensors receiving the light reflected by the label paper and the distance between the adjacent photoelectric sensors. After the paper feeding time of a label is determined through the electric signal generated by the target photoelectric sensor, the second size of the label can be determined by utilizing the paper feeding speed and the paper feeding time of the label paper. And finally, generating a label specification based on the first size and the second size, so that the automatic detection of the label specification is realized.
Optionally, determining a paper-feeding duration of a tag by an electrical signal generated by the target photosensor comprises:
determining the duration of an amplitude value larger than a first preset amplitude value in a change period based on the periodic change rule of an electric signal generated by a target photoelectric sensor;
and determining the duration of the amplitude value larger than the first preset amplitude value in one variation period as the paper feeding duration of one label.
It should be noted that, since the label paper includes a base paper and a plurality of labels overlaid on the base paper with a space between adjacent labels. Therefore, during the paper feeding process of the label paper, the electric signals generated based on the light reflected by the label paper will change periodically, and there is a significant difference between the electric signals generated based on the light reflected by the label and the base paper. The change of the electrical signal is shown in fig. 3. Therefore, the electrical signal in one variation period can be regarded as an electrical signal generated by the photoelectric sensor receiving two portions of light, one portion of light is light reflected by the label + the base paper, and the other portion of light is light reflected by the base paper. Therefore, the time during which light is continuously reflected by the label + the base paper can be regarded as the paper-feeding time of one label. The amplitude of the electric signal generated by the light reflected by the label and the base paper is larger than a first preset amplitude, so that the duration of the amplitude larger than the first preset amplitude in a change period can be used as the paper feeding duration of the label. The first preset amplitude is larger than the amplitude of an electric signal generated by the photoelectric sensor based on light reflected by the base paper.
In the embodiment of the application, the paper feeding duration of one label can be accurately obtained by utilizing the periodic change rule of the electric signal generated by the target photoelectric sensor.
Optionally, after generating the label specification of the label paper based on the first size and the second size, the method further comprises:
packaging the label specification to label configuration information based on a preset protocol;
and outputting the label configuration information to the cash register so that the cash register configures label specification configuration items of the label printer based on the label specification in the label configuration information.
It should be noted that the preset protocol is a predefined protocol, and it is understood that the label printer and the cash register both store the protocol content of the preset protocol in advance, so that both can recognize the preset protocol, that is, both can use the preset protocol to encapsulate the message, and can parse the message encapsulated by the pre-audit protocol.
In the embodiment of the application, after the label specification is encapsulated to the label configuration information through the preset protocol, the label specification is output to the cash register, so that the cash register can realize automatic configuration of the label printer, the automation degree of the configuration process of the label printer is improved, and meanwhile, the problem that manual configuration is easy to make mistakes is also avoided.
Referring to fig. 6, an embodiment of the present application further provides a method for automatically configuring a label specification, where the method is applied to a cash register, and the method includes:
step 601: and receiving label configuration information carrying the label specification sent by the label printer.
In this step, the label specification is a label specification generated based on a first size determined by the number of target photosensors and a distance between adjacent photosensors after determining a paper-feeding time period of one label by electric signals generated by a plurality of photosensors emitting light toward a target plane when a label paper of a label printer is fed in the target plane, and a second size determined by a paper-feeding speed of the label paper and a paper-feeding time period of one label after determining a paper-feeding time period of one label by the electric signals generated by the target photosensors. It can be understood that the determination process of the label specification is similar to the method for automatically detecting the label specification provided in the above application embodiment, and is not described herein again.
Step 602: and setting the configuration content of the label specification configuration item corresponding to the label printer in the cash register as the label specification in the label configuration information.
In this step, each configuration item of the label printer may be configured in the cash register. The tag specification configuration item is a configuration item in which a tag specification is agreed.
In the embodiment of the application, the plurality of photoelectric sensors all emit light, but only part of the photoelectric sensors receive the light reflected by the label paper. Therefore, during the label paper feeding process, the first size of the label can be determined by the number of target photosensors receiving the light reflected by the label paper and the distance between adjacent photosensors. After the paper feeding time length of a label is determined through the electric signal generated by the target photoelectric sensor, the second size of the label can be determined by the paper feeding speed and the paper feeding time length of the label paper. And finally, generating a label specification based on the first size and the second size, so that the automatic detection of the label specification is realized. The label specification which is automatically detected is output to the cash register, so that the cash register can realize automatic configuration of the label printer, the automation degree of the configuration process of the label printer is improved, and meanwhile, the problem that manual configuration is easy to make mistakes is avoided.
Optionally, the label configuration information is information generated by a label printer by adopting a preset protocol to package a label specification;
setting configuration content of a label specification configuration item corresponding to a label printer in a cash register as a label specification in label configuration information, wherein the configuration content comprises the following steps:
analyzing the label configuration information by adopting a preset protocol to obtain a label specification;
and setting the configuration content of the label specification configuration item corresponding to the label printer in the cash register as the label specification.
It should be noted that the preset protocol is a predefined protocol, and it should be understood that the label printer and the cash register both store the protocol content of the preset protocol in advance, so that both can recognize the preset protocol, that is, both can use the preset protocol to package the message, and can parse the message packaged by the pre-audit protocol.
In the embodiment of the application, label configuration information carrying label specifications is transmitted between the label printer and the cash register based on the preset protocol, and the security of data transmission is improved while the configuration item of the label printer is automatically configured at the cash register side.
Referring to fig. 7, an embodiment of the present application further provides an apparatus for automatically detecting a label specification, which is applied to a label printer, and the apparatus includes:
an obtaining module 71, configured to obtain electrical signals generated by a plurality of photoelectric sensors that emit light toward a target plane when a label paper of a label printer is fed in the target plane; the photoelectric sensors are uniformly arranged along the first edge of the label, and the arrangement length is greater than that of the first edge;
a specification determining module 72 determining the number of target photosensors receiving light reflected by the label paper by an electric signal, and determining a first size of the label based on the number of target photosensors and a distance between adjacent photosensors; determining the paper feeding time of a label through an electric signal generated by the target photoelectric sensor, and determining a second size of the label based on the paper feeding speed and the paper feeding time of the label paper; and generating the label specification of the label paper based on the first size and the second size.
Optionally, the specification determining module 72 is specifically configured to determine, based on a periodic variation rule of the electrical signal generated by the target photosensor, a duration that an amplitude in a variation period is greater than a first preset amplitude; and determining the duration of the amplitude value larger than the first preset amplitude value in one variation period as the paper feeding duration of one label.
Optionally, the apparatus further comprises:
the packaging module is used for packaging the label specification to the label configuration information based on a preset protocol;
and the sending module is used for outputting the label configuration information to the cash register so that the cash register configures the label specification configuration items of the label printer based on the label specification in the label configuration information.
The apparatus for automatically detecting a tag specification provided in this embodiment of the application can implement each process implemented by the method for automatically detecting a tag specification in the method embodiment of fig. 5, and is not described here again to avoid repetition.
In the embodiment of the application, since the plurality of photoelectric sensors all emit light, only part of the photoelectric sensors receive the light reflected by the label paper. Therefore, during the label paper feeding process, the first size of the label can be determined by the number of target photoelectric sensors receiving the light reflected by the label paper and the distance between the adjacent photoelectric sensors. After the paper feeding time of a label is determined through the electric signal generated by the target photoelectric sensor, the second size of the label can be determined by utilizing the paper feeding speed and the paper feeding time of the label paper. And finally, generating a label specification based on the first size and the second size, thereby realizing the automatic detection of the label specification.
Referring to fig. 8, an embodiment of the present application further provides an apparatus for automatically configuring a label specification, which is applied to a cash register, and the apparatus includes:
the receiving module 81 is configured to receive tag configuration information carrying a tag specification sent by a tag printer, where the tag specification is generated by determining, through electrical signals generated by a plurality of photosensors that emit light toward a target plane, the number of target photosensors that receive light reflected by a piece of tag paper when the piece of tag paper of the tag printer is fed in the target plane, and determining, through the electrical signals generated by the target photosensors, a paper feeding duration of a tag, and then based on a first size determined by the number of target photosensors and a distance between adjacent photosensors, and a second size determined by a paper feeding speed of the piece of tag paper and the paper feeding duration of a tag.
And the configuration module 82 is used for setting the configuration content of the label specification configuration item corresponding to the label printer in the cash register as the label specification in the label configuration information.
Optionally, the label configuration information is information generated by a label printer by adopting a preset protocol to package a label specification;
a configuration module 82, comprising:
the analysis unit is used for adopting a preset protocol to analyze the label configuration information to obtain the label specification;
and the configuration unit is used for setting the configuration content of the label specification configuration item corresponding to the label printer in the cash register as the label specification.
The apparatus for automatically configuring tag specifications provided in the embodiment of the present application can implement each process implemented by the method for automatically configuring tag specifications in the method embodiment of fig. 6, and is not described here again to avoid repetition.
In the embodiment of the application, since the plurality of photoelectric sensors all emit light, only part of the photoelectric sensors receive the light reflected by the label paper. Therefore, during the label paper feeding process, the first size of the label can be determined by the number of target photosensors receiving the light reflected by the label paper and the distance between adjacent photosensors. After the paper feeding time of a label is determined through the electric signal generated by the target photoelectric sensor, the second size of the label can be determined by utilizing the paper feeding speed and the paper feeding time of the label paper. And finally, generating a label specification based on the first size and the second size, so that the automatic detection of the label specification is realized. The label specification which is automatically detected is output to the cash register, so that the cash register can realize automatic configuration of the label printer, the automation degree of the configuration process of the label printer is improved, and meanwhile, the problem that manual configuration is easy to make mistakes is avoided.
On the other hand, the embodiment of the present application further provides an electronic device, which includes a processor, a memory, and a computer program stored on the memory and executable on the processor, where the processor implements the method for automatically detecting a label specification or the method for automatically configuring a label specification provided in the embodiments of the present application when executing the program.
In still another aspect, the present application further provides a readable storage medium, and when executed by a processor of an electronic device, the instructions in the readable storage medium enable the electronic device to perform the method for automatically detecting a tag specification or the method for automatically configuring a tag specification, as provided in the embodiments of the present application.
It should be noted that, for simplicity of description, the above-mentioned method embodiments are described as a series of acts or combination of acts, but those skilled in the art will recognize that the present application is not limited by the order of acts described, as some steps may occur in other orders or concurrently depending on the application. Further, those skilled in the art should also appreciate that the embodiments described in the specification are preferred embodiments and that the acts and modules referred to are not necessarily required in this application.
The above-described embodiments of the apparatus are merely illustrative, and 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 modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. Based on the understanding, the above technical solutions substantially or otherwise contributing to the prior art may be embodied in the form of a software product, which may be stored in a computer-readable storage medium, such as ROM/RAM, magnetic disk, optical disk, etc., and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the method according to the various embodiments or some parts of the embodiments.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.
Claims (10)
1. A label printer, characterized in that it comprises: a print head, a processor, and a photosensor;
the printing head is used for printing on the label of the label paper when the label paper is fed in the target plane;
the photoelectric sensor is used for emitting light and generating an electric signal under the condition of receiving the light;
the processor is used for acquiring the electric signals generated by a plurality of photoelectric sensors emitting light rays towards the target plane, determining the number of target photoelectric sensors receiving the light rays reflected by the label paper through the electric signals, and determining a first size of the label based on the number of the target photoelectric sensors and the distance between the adjacent photoelectric sensors; the photoelectric sensors are uniformly arranged along a first edge of the label, and the arrangement length of the photoelectric sensors is greater than that of the first edge;
the processor is also used for determining the paper feeding time of one label through the electric signal generated by the target photoelectric sensor; and determining a second size of the label based on the paper feeding speed and the paper feeding time length of the label paper;
the processor is further configured to generate a label specification for the label stock based on the first size and the second size.
2. The label printer of claim 1, wherein said processor is further configured to encapsulate said label specification to label configuration information based on a preset protocol and output said label configuration information to a cash register.
3. The label printer according to claim 1, wherein said photo sensor is a reflective photo sensor.
4. A method for automatically detecting the specification of a label is applied to a label printer, and is characterized by comprising the following steps:
acquiring the electric signals generated by a plurality of photoelectric sensors which emit light rays towards a target plane when label paper of the label printer is fed in the target plane; the photoelectric sensors are uniformly arranged along a first edge of the label, and the arrangement length of the photoelectric sensors is greater than that of the first edge;
determining the number of target photoelectric sensors receiving light reflected by the label paper through the electric signals, and determining a first size of the label based on the number of the target photoelectric sensors and the distance between adjacent photoelectric sensors;
determining a paper feeding time length of one label through an electric signal generated by the target photoelectric sensor, and determining a second size of the label based on the paper feeding speed of the label paper and the paper feeding time length;
generating a label specification for the label stock based on the first size and the second size.
5. The method of claim 4, wherein said determining a paper advance time for one of said tags from said electrical signal generated by said target photosensor comprises:
determining the duration of the amplitude value larger than a first preset amplitude value in a change period based on the periodic change rule of the electric signal generated by the target photoelectric sensor;
and determining the duration of the amplitude value larger than a first preset amplitude value in the variation period as the paper feeding duration of one label.
6. The method of claim 4, wherein after the generating the label specification for the label sheet based on the first size and the second size, the method further comprises:
packaging the label specification to label configuration information based on a preset protocol;
outputting the label configuration information to a cash register to enable the cash register to configure label specification configuration items of the label printer based on the label specifications in the label configuration information.
7. A method for automatically configuring label specification, which is applied to a cash register, is characterized by comprising the following steps:
receiving label configuration information which is sent by a label printer and carries label specifications, wherein the label specifications are generated based on a first size determined by the number of target photoelectric sensors and the distance between adjacent photoelectric sensors and a second size determined by the paper feeding speed of label paper and the paper feeding time of one label after determining the paper feeding time of the label through electric signals generated by the target photoelectric sensors and the number of target photoelectric sensors, and determining the paper feeding time of the label;
setting configuration content of a label specification configuration item corresponding to the label printer in the cash register as the label specification in the label configuration information.
8. The method of claim 7, wherein the label configuration information is information generated by the label printer encapsulating the label specification using a preset protocol;
the setting the configuration content of the tag specification configuration item corresponding to the tag printer in the cash register as the tag specification in the tag configuration information includes:
analyzing the label configuration information by adopting the preset protocol to obtain the label specification;
and setting the configuration content of the label specification configuration item corresponding to the label printer in the cash register as the label specification.
9. An apparatus for automatically detecting a label specification, applied to a label printer, the apparatus comprising:
the acquisition module is used for acquiring the electric signals generated by the photoelectric sensors which emit light rays towards a target plane when label paper of the label printer is fed in the target plane; the photoelectric sensors are uniformly arranged along a first edge of the label, and the arrangement length of the photoelectric sensors is greater than that of the first edge;
the specification determining module is used for determining the number of target photoelectric sensors receiving light reflected by the label paper through the electric signals and determining a first size of the label based on the number of the target photoelectric sensors and the distance between the adjacent photoelectric sensors; determining a paper feeding time length of one label through an electric signal generated by the target photoelectric sensor, and determining a second size of the label based on the paper feeding speed of the label paper and the paper feeding time length; generating a label specification for the label stock based on the first size and the second size.
10. An apparatus for automatically configuring label specification, applied to a cash register, is characterized in that the apparatus comprises:
the receiving module is used for receiving label configuration information which is sent by a label printer and carries label specifications, wherein the label specifications are generated based on a first size determined by the number of target photoelectric sensors and the distance between adjacent photoelectric sensors and a second size determined by the paper feeding speed of label paper and the paper feeding duration of one label after the number of the target photoelectric sensors and the distance between the adjacent photoelectric sensors are determined by electric signals generated by the target photoelectric sensors when the label paper of the label printer is fed in a target plane;
and the configuration module is used for setting the configuration content of the label specification configuration item corresponding to the label printer in the cash register as the label specification in the label configuration information.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116080286A (en) * | 2022-12-30 | 2023-05-09 | 珠海芯烨电子科技有限公司 | Method for detecting printed label by using reflection and printer |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2622146A1 (en) * | 1987-10-26 | 1989-04-28 | Duport Jean Claude | COMPOSITE RIBBON FOR LABEL PRINTING MACHINES AND MACHINE USING SUCH A RIBBON |
| CN202216667U (en) * | 2011-07-26 | 2012-05-09 | 东莞科视自动化科技有限公司 | Optical dimension measuring system based on LED |
| CN202762585U (en) * | 2012-08-06 | 2013-03-06 | 赵文华 | Wooden door paint sprayer with wooden door length automatic detecting equipment |
| CN104385792A (en) * | 2014-10-22 | 2015-03-04 | 苏州佳世达光电有限公司 | Label printing method and label printer |
| CN106004031A (en) * | 2016-05-26 | 2016-10-12 | 北京印刷学院 | Variable power ultraviolet LED solidifying device of label printing machine |
| CN207388640U (en) * | 2017-09-22 | 2018-05-22 | 重庆品胜科技有限公司 | A kind of label machine |
-
2022
- 2022-06-15 CN CN202210675990.3A patent/CN115027153A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2622146A1 (en) * | 1987-10-26 | 1989-04-28 | Duport Jean Claude | COMPOSITE RIBBON FOR LABEL PRINTING MACHINES AND MACHINE USING SUCH A RIBBON |
| CN202216667U (en) * | 2011-07-26 | 2012-05-09 | 东莞科视自动化科技有限公司 | Optical dimension measuring system based on LED |
| CN202762585U (en) * | 2012-08-06 | 2013-03-06 | 赵文华 | Wooden door paint sprayer with wooden door length automatic detecting equipment |
| CN104385792A (en) * | 2014-10-22 | 2015-03-04 | 苏州佳世达光电有限公司 | Label printing method and label printer |
| CN106004031A (en) * | 2016-05-26 | 2016-10-12 | 北京印刷学院 | Variable power ultraviolet LED solidifying device of label printing machine |
| CN207388640U (en) * | 2017-09-22 | 2018-05-22 | 重庆品胜科技有限公司 | A kind of label machine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116080286A (en) * | 2022-12-30 | 2023-05-09 | 珠海芯烨电子科技有限公司 | Method for detecting printed label by using reflection and printer |
| CN116080286B (en) * | 2022-12-30 | 2024-03-01 | 珠海芯烨电子科技有限公司 | Method for detecting printed label by using reflection and printer |
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