CN115157871A - Distance determination method between print head and print substrate, printing apparatus, and storage medium - Google Patents
Distance determination method between print head and print substrate, printing apparatus, and storage medium Download PDFInfo
- Publication number
- CN115157871A CN115157871A CN202210966185.6A CN202210966185A CN115157871A CN 115157871 A CN115157871 A CN 115157871A CN 202210966185 A CN202210966185 A CN 202210966185A CN 115157871 A CN115157871 A CN 115157871A
- Authority
- CN
- China
- Prior art keywords
- voltage value
- determining
- printing
- distance
- hall sensor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000758 substrate Substances 0.000 title claims abstract description 162
- 238000000034 method Methods 0.000 title claims abstract description 67
- 230000000694 effects Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 6
- 230000003287 optical effect Effects 0.000 description 6
- 238000004364 calculation method Methods 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000004590 computer program Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000005672 electromagnetic field Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000000644 propagated effect Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- 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
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/315—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by selective application of heat to a heat sensitive printing or impression-transfer material
-
- 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
- B41J25/00—Actions or mechanisms not otherwise provided for
- B41J25/304—Bodily-movable mechanisms for print heads or carriages movable towards or from paper surface
- B41J25/308—Bodily-movable mechanisms for print heads or carriages movable towards or from paper surface with print gap adjustment mechanisms
-
- 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
Landscapes
- Common Mechanisms (AREA)
Abstract
The invention discloses a method for determining the distance between a printing head and a printing substrate, a printing device and a storage medium, which are applied to the printing device comprising the printing head, the printing substrate, an electromagnet, a Hall sensor and a magnetic element, and comprise the following steps: acquiring an initial voltage value output by a Hall sensor when the electromagnet does not work; driving an electromagnet to work based on preset current so as to drive a printing head to move towards a printing substrate and obtain an intermediate voltage value output by a Hall sensor; updating the preset current and acquiring an intermediate voltage value, and determining the current intermediate voltage value as a termination voltage value when a first difference value between the current intermediate voltage value output by the Hall sensor and a previous intermediate voltage value is smaller than a preset difference value; the distance between the print head and the print substrate is determined based on the ending voltage value, the initial voltage value, and a linear relationship between the voltage value and the distance of travel. Above-mentioned technical scheme reduces the cost of confirming the distance between printer head and the printing substrate, promotes the printing effect and reduces and beats the printer head loss.
Description
Technical Field
The embodiment of the invention relates to the technical field of printing, in particular to a method for determining the distance between a printing head and a printing substrate, printing equipment and a storage medium.
Background
In the thermal transfer printer, in order to save the use of the ribbon, after printing a frame of data, the print head is usually required to be lifted so that the ribbon does not need to move along with the substrate speed, thereby reducing the use amount of the ribbon, and therefore, the print head needs to be pressed down and lifted. The magnitude of the printing pressure of the print head affects the printing effect and the life of the print head, and therefore, it is necessary to provide an appropriate printing pressure.
The printing pressure is usually provided by the magnetic field attraction force of an electromagnet disposed on top of the print head, and a change in the distance between the electromagnet and the printing substrate causes a large change in the magnetic field attraction force. The distance between the print head and the electromagnet is determined, so that the distance between the print head and the print substrate affects the magnetic attraction force and further affects the printing pressure, that is, under the condition of applying the same current, the distance deviation between the print head and the print substrate causes the printing pressure to generate larger change, so that the printing quality and the service life of the print head are affected, and therefore, the detection of the distance between the print head and the print substrate is more important.
In the prior art, the distance between the print head and the print substrate can be determined using an optical sensor, but the optical sensor is susceptible to environmental influences and is costly.
Disclosure of Invention
The invention provides a method for determining the distance between a printing head and a printing substrate, a printing device and a storage medium, which can reduce the cost of determining the distance between the printing head and the printing substrate.
In a first aspect, an embodiment of the present invention provides a method for determining a distance between a print head and a printing substrate, where the print head is configured to be driven by an electromagnet to move toward the printing substrate, a hall sensor is disposed on a side of a moving path of the printing substrate, a magnetic element is disposed on a side of the print head close to the hall sensor, and the hall sensor is configured to output different voltage values according to a change in position of the magnetic element; the method comprises the following steps:
acquiring an initial voltage value output by the Hall sensor when the electromagnet does not work;
driving the electromagnet to work based on preset current so as to drive the printing head to move towards the printing substrate and obtain an intermediate voltage value output by the Hall sensor;
updating the preset current and acquiring the intermediate voltage value, and determining the current intermediate voltage value as a termination voltage value when a first difference value between the current intermediate voltage value output by the Hall sensor and a previous intermediate voltage value is smaller than a preset difference value;
determining a distance between the print head and the print substrate based on the ending voltage value, the initial voltage value, and a linear relationship between voltage value and travel distance.
According to the technical scheme of the embodiment of the invention, a method for determining the distance between a printing head and a printing substrate is provided, wherein the printing head is configured to be driven by an electromagnet to move towards the printing substrate, a Hall sensor is arranged on one side of a moving path of the printing head towards the printing substrate, a magnetic element is arranged on one side of the printing head close to the Hall sensor, and the Hall sensor is configured to output different voltage values according to the position change of the magnetic element; the method comprises the following steps: acquiring an initial voltage value output by the Hall sensor when the electromagnet does not work; driving the electromagnet to work based on preset current so as to drive the printing head to move towards the printing substrate and obtain an intermediate voltage value output by the Hall sensor; updating the preset current and acquiring the intermediate voltage value, and determining the current intermediate voltage value as a termination voltage value when a first difference value between the current intermediate voltage value output by the Hall sensor and a previous intermediate voltage value is smaller than a preset difference value; determining a distance between the print head and the print substrate based on the ending voltage value, the initial voltage value, and a linear relationship between voltage value and travel distance. According to the technical scheme, the initial voltage output by the Hall sensor when the electromagnet does not work is obtained, the electromagnet can drive the printing head to move towards the printing substrate through the magnetic field attraction force determined by the preset current after the preset current is applied to the electromagnet, the magnetic field attraction force is not enough to enable the printing head to move to be in contact with the printing substrate at the moment, therefore, the preset current can be updated, the intermediate voltage value can be obtained, when the first difference value between the current intermediate voltage value and the previous intermediate voltage value is smaller than the preset difference value, the printing head is in contact with the printing substrate, the current intermediate voltage value at the moment is determined to be the end voltage value, the distance between the printing head and the printing substrate can be determined according to the end voltage value, the initial voltage value and the linear relation between the voltage value and the moving distance, and the cost for determining the distance between the printing head and the printing substrate is reduced
Further, the electromagnet is a direct current electromagnet, and the preset current is a starting current of the electromagnet.
Further, the method for determining the linear relationship between the voltage value and the moving distance comprises the following steps:
determining a maximum voltage value and a minimum voltage value in the process of moving the printing head for a preset distance;
and after a second difference value of the maximum voltage value and the minimum voltage value is determined, determining a linear relation between the voltage value and the moving distance according to a ratio of the preset distance to the second difference value.
Further, the method for determining the linear relation between the voltage value and the moving distance comprises the following steps:
driving the printing head to move to enable both ends of the magnetic element to pass through the Hall sensor at least once;
acquiring a maximum voltage value and a minimum voltage value in the moving process of the printing head;
after a second difference between the maximum voltage value and the minimum voltage value is determined, a linear relationship between the voltage value and the movement distance is determined according to a ratio of the length of the magnetic element to the second difference.
Further, the obtaining the intermediate voltage value while updating the preset current, and when a first difference between a current intermediate voltage value output by the hall sensor and a previous intermediate voltage value is smaller than a preset difference, determining that the current intermediate voltage value is a termination voltage value includes:
updating the preset current based on a preset increment to obtain an updated current;
driving the electromagnet to work based on the updating current so as to drive the printing head to move towards a printing substrate, and acquiring a current intermediate voltage value output by the Hall sensor;
determining the first difference value according to the current intermediate voltage value and the last intermediate voltage value, and comparing the first difference value with the preset difference value;
if the first difference value is smaller than the preset difference value, determining that the current intermediate voltage value is the termination voltage value; otherwise, continuously executing updating of the preset current based on the preset increment to obtain the updated current.
Further, determining a distance between the print head and the print substrate based on the ending voltage value, the initial voltage value, and a linear relationship between voltage value and travel distance includes:
determining a voltage change value according to the termination voltage value and the initial voltage value;
and determining the distance between the printing head and the printing substrate according to the linear relation among the voltage change value, the voltage value and the moving distance.
In a second aspect, the embodiment of the present invention further provides an apparatus for determining a distance between a print head and a printing substrate, where the print head is configured to be driven by an electromagnet to move towards the printing substrate, a hall sensor is disposed on a side of a moving path of the print head towards the printing substrate, a magnetic element is disposed on a side of the print head close to the hall sensor, and the hall sensor is configured to output different voltage values according to a position change of the magnetic element; the device comprises:
the first acquisition module is used for acquiring an initial voltage value output by the Hall sensor when the electromagnet does not work;
the second acquisition module is used for driving the electromagnet to work based on preset current so as to drive the printing head to move towards the printing substrate and simultaneously acquire an intermediate voltage value output by the Hall sensor;
the determining module is used for updating the preset current and acquiring the intermediate voltage value, and determining the current intermediate voltage value as a termination voltage value when a first difference value between the current intermediate voltage value output by the Hall sensor and a previous intermediate voltage value is smaller than a preset difference value;
and the execution module is used for determining the distance between the printing head and the printing substrate according to the termination voltage value, the initial voltage value and the linear relation between the voltage value and the moving distance.
In a third aspect, an embodiment of the present invention further provides a printing apparatus, including:
one or more processors; storage means for storing one or more programs; an electromagnet for driving the print head towards the print substrate; a magnetic element configured to move in synchronization with the printhead; a Hall sensor for determining a change in position of the magnetic element; when executed by the one or more processors, cause the one or more processors to implement a method of determining a distance between a print head and a print substrate as described in any of the first aspects.
Further, the electromagnet is arranged on the top of the printing head, the hall sensor is arranged on one side of a moving path of the printing head towards the printing substrate, and the magnetic element is arranged on one side of the printing head close to the hall sensor.
In a fourth aspect, the present invention is a storage medium containing computer executable instructions for performing a method of determining a distance between a print head and a print substrate as described in any one of the first aspects when executed by a computer processor.
In a fifth aspect, the present application provides a computer program product comprising computer instructions which, when run on a computer, cause the computer to perform the method for determining the distance between a print head and a print substrate as provided in the first aspect.
It should be noted that all or part of the computer instructions may be stored on the computer readable storage medium. The computer readable storage medium may be packaged with the processor of the distance determining apparatus between the print head and the printing substrate, or may be packaged separately from the processor of the distance determining apparatus between the print head and the printing substrate, which is not limited in this application.
For the description of the second, third, fourth and fifth aspects in this application, reference may be made to the detailed description of the first aspect; in addition, for the beneficial effects described in the second aspect, the third aspect, the fourth aspect, and the fifth aspect, reference may be made to the beneficial effect analysis of the first aspect, and details are not repeated here.
In the present application, the names of the above-described distance determining means between the print head and the printing substrate do not constitute limitations on the devices or functional modules themselves, which may appear under other names in an actual implementation. Insofar as the functions of the respective devices or functional modules are similar to those of the present application, they fall within the scope of the claims of the present application and their equivalents.
These and other aspects of the present application will be more readily apparent from the following description.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIGS. 1a and 1b are schematic diagrams of a printing apparatus provided by an embodiment of the present invention;
FIG. 2 is a flow chart of a method for determining a distance between a print head and a print substrate according to an embodiment of the present invention;
FIG. 3 is a flow chart of another method for determining a distance between a print head and a print substrate according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a distance determining apparatus between a print head and a printing substrate according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a printing apparatus according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
The term "and/or" herein is merely an association relationship describing an associated object, and means that there may be three relationships, for example, a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone.
The terms "first" and "second" and the like in the description and drawings of the present application are used for distinguishing different objects or for distinguishing different processes for the same object, and are not used for describing a specific order of the objects.
Furthermore, the terms "including" and "having," and any variations thereof, as referred to in the description of the present application, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
Before discussing exemplary embodiments in more detail, it should be noted that some exemplary embodiments are described as processes or methods depicted as flowcharts. Although a flowchart may describe the operations (or steps) as a sequential process, many of the operations can be performed in parallel, concurrently or simultaneously. In addition, the order of the operations may be re-arranged. The process may be terminated when its operations are completed, but could have additional steps not included in the figure. The processes may correspond to methods, functions, procedures, subroutines, and the like. In addition, the embodiments and features of the embodiments in the present invention may be combined with each other without conflict.
It should be noted that in the embodiments of the present application, words such as "exemplary" or "for example" are used to indicate examples, illustrations or explanations. Any embodiment or design described herein as "exemplary" or "e.g.," is not necessarily to be construed as preferred or advantageous over other embodiments or designs. Rather, use of the word "exemplary" or "such as" is intended to present concepts related in a concrete fashion.
In the description of the present application, the meaning of "a plurality" means two or more unless otherwise specified.
The printing pressure of a printing head in a thermal transfer printer can affect the printing effect and the service life of the printing head, and the mode for providing the printing pressure comprises the following steps: 1. a pneumatic mode to create a printing pressure between the print head and the printing substrate by applying air pressure to the print head; 2. a motor mode for providing a printing pressure by a torque of a motor; 3. and an electromagnet mode in which a printing pressure is provided by a magnetic field attraction force of an electromagnet. When the printing pressure is provided by the magnetic field attraction force of the electromagnet, the distance between the electromagnet and the printing substrate changes, which causes the magnetic field attraction force to change greatly. The distance between the printing head and the printing substrate is determined by an optical sensor in the prior art, and the cost is high.
Fig. 1a and 1b are schematic diagrams of a printing apparatus according to an embodiment of the present invention, and as shown in fig. 1a and 1b, the printing apparatus may include a printhead 110, a printing substrate 120, an electromagnet 130, a magnetic element 140, and a hall sensor 150, where the printhead and the printing substrate are disposed opposite to each other, the electromagnet is disposed on the top of the printhead, the hall sensor is disposed in a printing direction, and the magnetic element is disposed on a side of the printhead close to the hall sensor.
The present application proposes a method for determining a distance between a print head and a print substrate, which reduces the cost of determining the distance between the print head and the print substrate by determining the distance between the print head and the print substrate using an electromagnet, a magnetic element, and a hall sensor included in the printing apparatus shown in fig. 1a and 1 b.
The distance determination method between the print head and the print substrate proposed by the present application will be described in detail below with reference to the printing apparatus and the embodiments shown in fig. 1a and 1 b.
Fig. 2 is a flowchart of a method for determining a distance between a print head and a print substrate according to an embodiment of the present invention, where the embodiment is applicable to a situation where it is necessary to reduce a cost of determining the distance between the print head and the print substrate, and the method may be executed by a device for determining the distance between the print head and the print substrate, as shown in fig. 2, and specifically includes the following steps:
and 210, acquiring an initial voltage value output by the Hall sensor when the electromagnet does not work.
The printing head of the printing device is configured to move towards the printing substrate under the driving of the electromagnet, a Hall sensor is arranged on one side of the printing head towards the moving path of the printing substrate, a magnetic element is arranged on one side of the printing head close to the Hall sensor, and the Hall sensor is configured to output different voltage values according to the position change of the magnetic element.
Specifically, when the electromagnet is not actuated, the print head is located at the first position shown in fig. 1a, i.e., the print head mounting position, and the magnetic element located on the side of the print head close to the hall sensor is also located at the first position. At this time, the hall sensor can determine the magnetic strength at the hall sensor and output an initial voltage value when the magnetic element is located at the first position.
And 220, driving the electromagnet to work based on preset current so as to drive the printing head to move towards the printing substrate, and acquiring an intermediate voltage value output by the Hall sensor.
The preset current is the starting current of the electromagnet, namely the minimum current capable of driving the electromagnet to work, and is greater than 0 and smaller than the current required by the printing head to move downwards to the printing substrate. The preset current can be obtained through preset measurement, and the current can be gradually increased from 0 until the electromagnet is started to work. In practical applications, the operating manual of the electromagnet can be searched to determine the starting current, i.e. the preset current.
Specifically, the electromagnet can be driven to operate based on a preset current, and when the electromagnet operates, the iron core in the electromagnet can be driven to move through a magnetic field attraction force so as to drive the printing head to move towards the printing substrate. At this time, since the preset current is small, the magnetic field attraction force provided by the electromagnet is also small, and therefore, it is not enough to drive the print head to move into contact with the print substrate. When the print head moves towards the printing substrate, the position of the print head changes, namely the position of the magnetic element changes, and the magnetic field intensity at the hall sensor also changes. The hall sensor may continue to output an intermediate voltage value as a function of the magnetic field strength at the hall sensor during movement of the printhead toward the print substrate.
And step 230, updating the preset current and acquiring the intermediate voltage value, and determining that the current intermediate voltage value is the termination voltage value when a first difference value between the current intermediate voltage value output by the hall sensor and the previous intermediate voltage value is smaller than a preset difference value.
Specifically, the electromagnet may be continuously driven to operate based on the updated preset current to drive the print head to move toward the printing substrate while acquiring the intermediate voltage value output by the hall sensor. The preset current can be updated by increasing a smaller value for the preset current, the updated preset current is obtained, the magnetic field attraction force provided by the electromagnet is increased, and the printing head can be driven to move towards the printing substrate to be closer to the printing substrate. Compare in the work of presetting current drive electro-magnet to the position that the drive is beaten printer head and is printed substrate and move, beat the position of printer head and change, consequently, the magnetic field intensity of hall sensor department also can change, and then hall sensor output current intermediate voltage value.
In practical applications, the printhead can be lifted to update the preset current.
If the first difference value between the current intermediate voltage value and the last intermediate voltage value is larger than or equal to the preset difference value, the voltage output by the Hall sensor is obviously changed, and the printing head is not contacted with the printing substrate, so that the current intermediate voltage value can be obtained while the preset current is continuously updated; if the first difference between the current intermediate voltage value and the last intermediate voltage value is smaller than the preset difference, which indicates that the voltage output by the hall sensor has not changed significantly, which indicates that the print head contacts the printing substrate, i.e., the print head is located at the second position shown in fig. 1b, the current intermediate voltage value is determined to be the end voltage value.
In an embodiment of the invention, an initial voltage is determined when the printhead does not begin moving toward the print substrate, and an end voltage is determined when the printhead contacts the print substrate to provide a data basis for determining the distance between the printhead and the print substrate.
The magnetic element has positive and negative poles, the electromagnetic field is closer to the south and north, the magnetic field intensity is higher, the magnetic field intensity is maximum when the magnetic field reaches the positive and negative poles or the positive and negative poles, the Hall sensor can convert the measured magnetic field intensity into a voltage value, and a linear relation is presented between the voltage value and the moving distance of the printing head.
And determining the maximum voltage value and the minimum voltage value output by the Hall sensor after the magnetic element moves a preset distance along with the movement of the printing head towards the printing substrate. The voltage change value of the print head moving for the preset distance can be determined according to the maximum voltage value and the minimum voltage value, and then the linear relation between the voltage value and the moving distance can be determined, and the linear relation can indicate the moving distance corresponding to each voltage value.
It should be noted that the preset distance may exist at any stage during the downward movement of the print head.
Specifically, after determining the ending voltage value and the initial voltage value, a difference between the ending voltage value and the initial voltage value may be determined, and the distance between the print head and the print substrate may be determined based on the moving distance of the difference corresponding to each voltage value.
According to the embodiment of the invention, the distance between the printing head and the printing substrate is determined according to the electromagnet, the magnetic element and the Hall sensor, and the cost for determining the distance between the printing head and the printing substrate is reduced.
According to the method for determining the distance between the printing head and the printing substrate, the printing head is configured to be driven by an electromagnet to move towards the printing substrate, a Hall sensor is arranged on one side of a moving path of the printing head towards the printing substrate, a magnetic element is arranged on one side of the printing head close to the Hall sensor, and the Hall sensor is configured to output different voltage values according to the position change of the magnetic element; the method comprises the following steps: acquiring an initial voltage value output by the Hall sensor when the electromagnet does not work; driving the electromagnet to work based on preset current so as to drive the printing head to move towards the printing substrate, and acquiring an intermediate voltage value output by the Hall sensor; updating the preset current and acquiring the intermediate voltage value, and determining the current intermediate voltage value as a termination voltage value when a first difference value between the current intermediate voltage value output by the Hall sensor and a previous intermediate voltage value is smaller than a preset difference value; determining a distance between the print head and the print substrate based on the ending voltage value, the initial voltage value, and a linear relationship between voltage value and travel distance. According to the technical scheme, the initial voltage output by the Hall sensor when the electromagnet does not work is obtained, after the electromagnet is applied with the preset current, the electromagnet can drive the printing head to move towards the printing substrate through the magnetic field attraction force determined by the preset current, the magnetic field attraction force is insufficient at the moment, the printing head moves to be in contact with the printing substrate, therefore, the preset current can be updated, the intermediate voltage value can be obtained, when the first difference value between the current intermediate voltage value and the previous intermediate voltage value is smaller than the preset difference value, the printing head is in contact with the printing substrate, the current intermediate voltage value at the moment is determined to be the end voltage value, the distance between the printing head and the printing substrate can be further determined according to the end voltage value, the initial voltage value and the linear relation between the voltage value and the moving distance, and the cost for determining the distance between the printing head and the printing substrate is reduced.
Fig. 3 is a flowchart of another method for determining a distance between a print head and a print substrate according to an embodiment of the present invention, which is embodied on the basis of the foregoing embodiment. As shown in fig. 3, in this embodiment, the method may further include:
and 310, acquiring an initial voltage value output by the Hall sensor when the electromagnet does not work.
Specifically, when the acquisition electromagnet is not operated, the initial voltage value Vup output from the hall sensor set in the printing direction is acquired.
It should be noted that the initial voltage output by the hall sensor may be converted into an AD value, i.e., the initial voltage value Vup, by a digital-to-analog conversion circuit, so as to facilitate calculation.
And 320, driving the electromagnet to work based on preset current so as to drive the printing head to move towards the printing substrate, and acquiring an intermediate voltage value output by the Hall sensor.
Specifically, the electromagnet is driven to operate based on a preset current I1 to drive the print head to move toward the print substrate, and simultaneously, an intermediate voltage value Vmid output by the hall sensor is acquired.
As described above, the intermediate voltage output from the hall sensor may be converted into an AD value, i.e., the intermediate voltage value Vmid, by the digital-to-analog conversion circuit for calculation.
And 330, updating the preset current and acquiring the intermediate voltage value, and determining that the current intermediate voltage value is the termination voltage value when a first difference value between the current intermediate voltage value output by the hall sensor and the previous intermediate voltage value is smaller than a preset difference value.
In one embodiment, step 330 may specifically include:
updating the preset current based on a preset increment to obtain an updated current; driving the electromagnet to work based on the updating current so as to drive the printing head to move towards a printing substrate, and simultaneously acquiring a current intermediate voltage value output by the Hall sensor; determining the first difference value according to the current intermediate voltage value and the last intermediate voltage value, and comparing the first difference value with the preset difference value; if the first difference value is smaller than the preset difference value, determining that the current intermediate voltage value is the termination voltage value; otherwise, continuously executing updating of the preset current based on a preset increment to obtain an updated current.
Specifically, updating the preset current I1 based on the preset increment I to obtain an updated current I2, that is, determining I2= I1+ I, and driving the electromagnet to operate based on the updated current I2 to drive the print head to move towards the printing substrate, while obtaining the current intermediate voltage value Vmidd output by the hall sensor. Determining a first difference value according to the current intermediate voltage value Vmidd and the last intermediate voltage value Vmids, comparing the first difference value with a preset difference value, if the first difference value is larger than or equal to the preset difference value, the printing head is not contacted with the printing substrate, and continuously updating the preset current I1 based on a preset increment I to obtain an updated current I2, namely determining that I2= I1+ I; and if the first difference is smaller than the preset difference, determining that the current intermediate voltage value Vmidd is the termination voltage value Vbrown.
In step 340, during the movement of the print head, a linear relationship between the voltage value and the movement distance is determined.
In an embodiment, step 340 may specifically include:
determining a maximum voltage value and a minimum voltage value in the process of moving the printing head for a preset distance; and after a second difference value of the maximum voltage value and the minimum voltage value is determined, determining a linear relation between the voltage value and the moving distance according to a ratio of the preset distance to the second difference value.
In practical applications, the predetermined distance may be the same as the length of the magnetic element, i.e., ln.
And in the process that the printing head moves for the preset distance, determining a maximum voltage value MaxAd and a minimum voltage value MinAd, and determining a second difference value as MaxAd-MinAd. Further, the moving distance lpad = Ln/(MaxAd-minid) corresponding to each voltage value can be determined, that is, the linear relationship between the voltage value and the moving distance is lpad = Ln/(MaxAd-minid).
In another embodiment, step 340 may specifically include:
driving the printing head to move to enable both ends of the magnetic element to pass through the Hall sensor at least once; acquiring a maximum voltage value and a minimum voltage value in the moving process of the printing head; and after a second difference value of the maximum voltage value and the minimum voltage value is determined, determining a linear relation between the voltage value and the moving distance according to the ratio of the length of the magnetic element to the second difference value.
Specifically, the printing head is driven to move, so that the two ends of the magnetic element pass through the hall sensor at least once, namely, the moving distance of the printing head is driven to be consistent with the length of the magnetic element, namely Ln, in the moving process of the printing head, the maximum voltage value Maxad and the minimum voltage value MinAd are determined, and the second difference value is Maxad-MinAd. Further, the moving distance lpad = Ln/(MaxAd-minid) corresponding to each voltage value can be determined, that is, the linear relationship between the voltage value and the moving distance is lpad = Ln/(MaxAd-minid).
In one embodiment, step 350 may specifically include:
determining a voltage change value according to the termination voltage value and the initial voltage value; and determining the distance between the printing head and the printing substrate according to the linear relation among the voltage change value, the voltage value and the moving distance.
Specifically, the voltage variation value is determined to be Vdown-Vup, and then the distance L = lpad (Vdown-Vup) between the print head and the printing substrate can be determined.
The method for determining the distance between the printing head and the printing substrate provided by the embodiment of the invention comprises the following steps: acquiring an initial voltage value output by the Hall sensor when the electromagnet does not work; driving the electromagnet to work based on preset current so as to drive the printing head to move towards the printing substrate, and acquiring an intermediate voltage value output by the Hall sensor; updating the preset current and acquiring the intermediate voltage value, and determining the current intermediate voltage value as a termination voltage value when a first difference value between the current intermediate voltage value output by the Hall sensor and a previous intermediate voltage value is smaller than a preset difference value; determining a linear relationship between a voltage value and a movement distance during the movement of the print head; determining a distance between the print head and the print substrate based on the ending voltage value, the initial voltage value, and a linear relationship between voltage value and travel distance. According to the technical scheme, the initial voltage output by the Hall sensor when the electromagnet does not work is obtained, the electromagnet can drive the printing head to move towards the printing substrate through the magnetic field attraction force determined by the preset current after the preset current is applied to the electromagnet, the magnetic field attraction force is insufficient at the moment to enable the printing head to move to be in contact with the printing substrate, therefore, the preset current can be updated, the intermediate voltage value can be obtained, when the first difference value between the current intermediate voltage value and the last intermediate voltage value is smaller than the preset difference value, the printing head is in contact with the printing substrate, the current intermediate voltage value at the moment is determined to be the end voltage value, of course, in the moving process of the printing head, the linear relation between the voltage value and the moving distance can be determined, the distance between the printing head and the printing substrate can be determined according to the end voltage value, the initial voltage value and the linear relation between the voltage value and the moving distance, and the cost for determining the distance between the printing head and the printing substrate is reduced.
Fig. 4 is a schematic structural diagram of an apparatus for determining a distance between a print head and a printing substrate according to an embodiment of the present invention, which can be applied to a case where it is necessary to reduce the cost for determining the distance between the print head and the printing substrate. The printing head is configured to be driven by an electromagnet to move towards the printing substrate, a Hall sensor is arranged on one side of a moving path of the printing head towards the printing substrate, a magnetic element is arranged on one side of the printing head close to the Hall sensor, and the Hall sensor is configured to output different voltage values according to position changes of the magnetic element. The apparatus may be implemented by software and/or hardware and is typically integrated in a printing device.
As shown in fig. 4, the apparatus includes:
the first acquiring module 410 is configured to acquire an initial voltage value output by the hall sensor when the electromagnet is not in operation;
the second obtaining module 420 is configured to drive the electromagnet to work based on a preset current, so as to drive the print head to move toward the print substrate, and obtain an intermediate voltage value output by the hall sensor;
the determining module 430 is configured to update the preset current and obtain the intermediate voltage value, and determine that the current intermediate voltage value is a termination voltage value when a first difference between a current intermediate voltage value output by the hall sensor and a previous intermediate voltage value is smaller than a preset difference;
an execution module 440 configured to determine a distance between the print head and the print substrate according to the ending voltage value, the initial voltage value, and a linear relationship between the voltage value and the movement distance.
The embodiment provides a distance determining device between a printing head and a printing substrate, wherein the printing head is configured to be driven by an electromagnet to move towards the printing substrate, a hall sensor is arranged on one side of a moving path of the printing head towards the printing substrate, a magnetic element is arranged on one side of the printing head close to the hall sensor, and the hall sensor is configured to output different voltage values according to the position change of the magnetic element; the device obtains an initial voltage value output by the Hall sensor when the electromagnet does not work; driving the electromagnet to work based on preset current so as to drive the printing head to move towards the printing substrate, and acquiring an intermediate voltage value output by the Hall sensor; updating the preset current and acquiring the intermediate voltage value, and determining the current intermediate voltage value as a termination voltage value when a first difference value between the current intermediate voltage value output by the Hall sensor and a previous intermediate voltage value is smaller than a preset difference value; determining a distance between the print head and the print substrate based on the ending voltage value, the initial voltage value, and a linear relationship between voltage value and travel distance. According to the technical scheme, the initial voltage output by the Hall sensor when the electromagnet does not work is obtained, after the electromagnet is applied with the preset current, the electromagnet can drive the printing head to move towards the printing substrate through the magnetic field attraction force determined by the preset current, the magnetic field attraction force is insufficient at the moment, the printing head moves to be in contact with the printing substrate, therefore, the preset current can be updated, the intermediate voltage value can be obtained, when the first difference value between the current intermediate voltage value and the previous intermediate voltage value is smaller than the preset difference value, the printing head is in contact with the printing substrate, the current intermediate voltage value at the moment is determined to be the end voltage value, the distance between the printing head and the printing substrate can be further determined according to the end voltage value, the initial voltage value and the linear relation between the voltage value and the moving distance, and the cost for determining the distance between the printing head and the printing substrate is reduced.
On the basis of the above embodiment, the electromagnet is a direct current electromagnet, and the preset current is a starting current of the electromagnet.
On the basis of the above embodiment, the apparatus further includes:
and the linear relation determining module is used for determining the linear relation between the voltage value and the moving distance.
In one embodiment, the linear relationship determining module is specifically configured to:
determining a maximum voltage value and a minimum voltage value in the process of moving the printing head for a preset distance;
and after a second difference value of the maximum voltage value and the minimum voltage value is determined, determining a linear relation between the voltage value and the moving distance according to a ratio of the preset distance to the second difference value.
In another embodiment, the linear relationship determining module is specifically configured to:
driving the printing head to move to enable both ends of the magnetic element to pass through the Hall sensor at least once;
acquiring a maximum voltage value and a minimum voltage value in the moving process of the printing head;
and after a second difference value of the maximum voltage value and the minimum voltage value is determined, determining a linear relation between the voltage value and the moving distance according to the ratio of the length of the magnetic element to the second difference value.
On the basis of the foregoing embodiment, the determining module 430 is specifically configured to:
updating the preset current based on a preset increment to obtain an updated current; driving the electromagnet to work based on the updating current so as to drive the printing head to move towards a printing substrate, and simultaneously acquiring a current intermediate voltage value output by the Hall sensor; determining the first difference value according to the current intermediate voltage value and the last intermediate voltage value, and comparing the first difference value with the preset difference value; if the first difference value is smaller than the preset difference value, determining that the current intermediate voltage value is the termination voltage value; otherwise, continuously executing updating of the preset current based on the preset increment to obtain the updated current.
On the basis of the foregoing embodiment, the execution module 440 is specifically configured to:
determining a voltage change value according to the termination voltage value and the initial voltage value; and determining the distance between the printing head and the printing substrate according to the linear relation among the voltage change value, the voltage value and the moving distance.
The device for determining the distance between the printing head and the printing substrate provided by the embodiment of the invention can execute the method for determining the distance between the printing head and the printing substrate provided by any embodiment of the invention, and has corresponding functional modules and beneficial effects of the execution method.
It should be noted that, in the embodiment of the distance determining apparatus between the print head and the printing substrate, the units and modules included in the apparatus are only divided according to the functional logic, but are not limited to the above division as long as the corresponding functions can be realized; in addition, the specific names of the functional units are only for the convenience of distinguishing from each other, and are not used for limiting the protection scope of the present invention.
Fig. 5 is a schematic structural diagram of a printing apparatus according to an embodiment of the present invention, and as shown in fig. 5, the vehicle includes a controller 510, a memory 520, a print head 110, a printing substrate 120, an electromagnet 130, a magnetic element 140, and a hall sensor 150; the number of controllers 510 in the vehicle may be one or more, and one controller 510 is illustrated in fig. 5; the controller 510, the memory 520, the print head 110, the electromagnet 130, and the hall sensor 150 in the vehicle may be connected by a bus or other means, and the bus connection is exemplified in fig. 5.
The memory 520 is a computer-readable storage medium for storing software programs, computer-executable programs, and modules, such as program instructions/modules corresponding to the vehicle track calculation method in the embodiment of the present invention (e.g., the first execution module 510, the clustering module 520, and the second execution module 530 in the vehicle track calculation device). The controller 510 executes various functional applications and data processing of the vehicle, i.e., implements the vehicle track calculation method described above, by executing software programs, instructions, and modules stored in the memory 520.
The memory 520 may mainly include a program storage area and a data storage area, wherein the program storage area may store an operating system, an application program required for at least one function; the storage data area may store data created according to the use of the terminal, and the like. Further, memory 520 may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device. In some examples, the memory 520 may further include memory located remotely from the controller 510, which may be connected to the vehicle over a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
Wherein the electromagnet is used for driving the printing head to move towards the printing substrate; a magnetic element configured to move in synchronization with the printhead; a Hall sensor for determining a change in position of the magnetic element.
In one embodiment, the electromagnet is arranged on the top of the printing head, the hall sensor is arranged on one side of a moving path of the printing head towards a printing substrate, and the magnetic element is arranged on one side of the printing head close to the hall sensor.
The current may drive the electromagnet to operate, and the electromagnet may drive the printhead to move toward the print substrate by magnetic attraction when operating. In the moving process of the printing head, the magnetic element also moves, the electromagnetic field provided by the magnetic element at the Hall sensor changes, the magnetic field intensity at the Hall sensor changes, and the output voltage value also changes.
Of course, those skilled in the art will understand that the controller may implement the technical solution of the printing apparatus control method provided in any embodiment of the present invention.
The printing equipment provided by the embodiment of the invention can execute the printing equipment control method provided by the embodiment, and has corresponding functions and beneficial effects.
The embodiment of the invention provides a computer readable storage medium, on which a computer program is stored, which when executed by a processor implements a method for determining a distance between a print head and a printing substrate, such as the method provided by the embodiment of the invention, the print head is configured to be driven by an electromagnet to move towards the printing substrate, the print head is provided with a hall sensor towards one side of a moving path of the printing substrate, the print head is provided with a magnetic element at one side close to the hall sensor, and the hall sensor is configured to output different voltage values according to the position change of the magnetic element; the method comprises the following steps:
acquiring an initial voltage value output by the Hall sensor when the electromagnet does not work;
driving the electromagnet to work based on preset current so as to drive the printing head to move towards the printing substrate, and acquiring an intermediate voltage value output by the Hall sensor;
updating the preset current and acquiring the intermediate voltage value, and determining the current intermediate voltage value as a termination voltage value when a first difference value between the current intermediate voltage value output by the Hall sensor and a previous intermediate voltage value is smaller than a preset difference value;
determining a distance between the print head and the print substrate based on the ending voltage value, the initial voltage value, and a linear relationship between voltage value and travel distance.
Computer storage media for embodiments of the present invention may take the form of any combination of one or more computer-readable media. The computer readable medium may be a computer readable signal medium or a computer readable storage medium. The computer-readable storage medium may be, for example but not limited to: an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. More specific examples (a non-exhaustive list) of the computer readable storage medium would include the following: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In the context of this document, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.
A computer readable signal medium may include a propagated data signal with computer readable program code embodied therein, for example, in baseband or as part of a carrier wave. Such a propagated data signal may take many forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A computer readable signal medium may be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device.
Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to: wireless, wire, fiber optic cable, RF, etc., or any suitable combination of the foregoing.
Computer program code for carrying out operations for aspects of the present invention may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, smalltalk, C + +, or the like, as well as conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the latter scenario, the remote computer may be connected to the user's computer through any type of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or the connection may be made to an external computer (for example, through the Internet using an Internet service provider).
It will be understood by those skilled in the art that the modules or steps of the present invention described above can be implemented by a general purpose computing device, they can be centralized in a single computing device or distributed over a network of multiple computing devices, and they can alternatively be implemented by program code executable by a computing device, so that they can be stored in a storage device and executed by a computing device, or they can be separately fabricated into various integrated circuit modules, or multiple modules or steps thereof can be fabricated into a single integrated circuit module. Thus, the present invention is not limited to any specific combination of hardware and software.
In addition, the technical scheme of the invention conforms to the relevant regulations of national laws and regulations in terms of data acquisition, storage, use, processing and the like.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments illustrated herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in some detail by the above embodiments, the invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the invention, and the scope of the invention is determined by the scope of the appended claims.
Claims (10)
1. A distance determining method between a printing head and a printing substrate is characterized in that the printing head is configured to be driven by an electromagnet to move towards the printing substrate, a Hall sensor is arranged on one side of a moving path of the printing head towards the printing substrate, a magnetic element is arranged on one side of the printing head close to the Hall sensor, and the Hall sensor is configured to output different voltage values according to position changes of the magnetic element; the method comprises the following steps:
acquiring an initial voltage value output by the Hall sensor when the electromagnet does not work;
driving the electromagnet to work based on preset current so as to drive the printing head to move towards the printing substrate and obtain an intermediate voltage value output by the Hall sensor;
updating the preset current and acquiring the intermediate voltage value, and determining the current intermediate voltage value as a termination voltage value when a first difference value between the current intermediate voltage value output by the Hall sensor and a previous intermediate voltage value is smaller than a preset difference value;
determining a distance between the print head and the print substrate based on the ending voltage value, the initial voltage value, and a linear relationship between voltage value and travel distance.
2. A method of determining the distance between a print head and a print substrate according to claim 1, wherein the electromagnet is a dc electromagnet and the predetermined current is the starting current of the electromagnet.
3. A method of determining a distance between a printhead and a print substrate according to claim 1, wherein the method of determining a linear relationship between the voltage value and the distance of movement comprises:
determining a maximum voltage value and a minimum voltage value in the process of moving the printing head by a preset distance;
and after a second difference value of the maximum voltage value and the minimum voltage value is determined, determining a linear relation between the voltage value and the moving distance according to a ratio of the preset distance to the second difference value.
4. A method of determining a distance between a print head and a print substrate according to claim 1, wherein the method of determining a linear relationship between the voltage value and the distance of movement comprises:
driving the printing head to move so that both ends of the magnetic element pass through the Hall sensor at least once;
acquiring a maximum voltage value and a minimum voltage value in the moving process of the printing head;
and after a second difference value of the maximum voltage value and the minimum voltage value is determined, determining a linear relation between the voltage value and the moving distance according to the ratio of the length of the magnetic element to the second difference value.
5. The method of claim 1, wherein the step of obtaining the intermediate voltage value while updating the preset current and the step of determining that the current intermediate voltage value is the end voltage value when a first difference between a current intermediate voltage value output from the hall sensor and a previous intermediate voltage value is smaller than a preset difference comprises:
updating the preset current based on a preset increment to obtain an updated current;
driving the electromagnet to work based on the updating current so as to drive the printing head to move towards a printing substrate, and acquiring a current intermediate voltage value output by the Hall sensor;
determining the first difference value according to the current intermediate voltage value and the last intermediate voltage value, and comparing the first difference value with the preset difference value;
if the first difference value is smaller than the preset difference value, determining that the current intermediate voltage value is the termination voltage value; otherwise, continuously executing updating of the preset current based on the preset increment to obtain the updated current.
6. A method of determining a distance between a print head and a print substrate according to claim 1, wherein determining a distance between the print head and the print substrate from the end voltage value, the initial voltage value and a linear relationship between voltage value and distance moved comprises:
determining a voltage change value according to the termination voltage value and the initial voltage value;
and determining the distance between the printing head and the printing substrate according to the linear relation among the voltage change value, the voltage value and the moving distance.
7. A distance determining device between a printing head and a printing substrate is characterized in that the printing head is configured to be driven by an electromagnet to move towards the printing substrate, a Hall sensor is arranged on one side of a moving path of the printing head towards the printing substrate, a magnetic element is arranged on one side of the printing head close to the Hall sensor, and the Hall sensor is configured to output different voltage values according to the position change of the magnetic element; the device comprises:
the first acquisition module is used for acquiring an initial voltage value output by the Hall sensor when the electromagnet does not work;
the second acquisition module is used for driving the electromagnet to work based on preset current so as to drive the printing head to move towards the printing substrate and simultaneously acquire an intermediate voltage value output by the Hall sensor;
the determining module is used for updating the preset current and acquiring the intermediate voltage value, and determining the current intermediate voltage value as a termination voltage value when a first difference value between the current intermediate voltage value output by the Hall sensor and a previous intermediate voltage value is smaller than a preset difference value;
and the execution module is used for determining the distance between the printing head and the printing substrate according to the termination voltage value, the initial voltage value and the linear relation between the voltage value and the moving distance.
8. A printing apparatus, comprising:
one or more processors; storage means for storing one or more programs;
an electromagnet for driving the print head to move toward the print substrate;
a magnetic element configured to move in synchronization with the printhead;
a Hall sensor for determining a change in position of the magnetic element;
when executed by the one or more processors, cause the one or more processors to implement a method of determining a distance between a printhead and a print substrate as claimed in any of claims 1 to 6.
9. The printing apparatus of claim 8, wherein the electromagnet is disposed on top of the printhead, the hall sensor is disposed on a side of a path of movement of the printhead toward a printing substrate, and the magnetic element is disposed on a side of the printhead adjacent to the hall sensor.
10. A storage medium containing computer executable instructions which when executed by a computer processor are for performing the method of determining the distance between a print head and a print substrate as claimed in any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210966185.6A CN115157871B (en) | 2022-08-12 | 2022-08-12 | Method for determining distance between printing head and printing substrate, printing apparatus and storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210966185.6A CN115157871B (en) | 2022-08-12 | 2022-08-12 | Method for determining distance between printing head and printing substrate, printing apparatus and storage medium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115157871A true CN115157871A (en) | 2022-10-11 |
| CN115157871B CN115157871B (en) | 2023-11-21 |
Family
ID=83478806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210966185.6A Active CN115157871B (en) | 2022-08-12 | 2022-08-12 | Method for determining distance between printing head and printing substrate, printing apparatus and storage medium |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115157871B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06255200A (en) * | 1993-03-09 | 1994-09-13 | Seiko Epson Corp | Printer device |
| US5360276A (en) * | 1990-08-10 | 1994-11-01 | Siemens Nixdorf Informationssysteme Aktiengesellschaft | Printing device with adjustable printing head gap |
| CN200977754Y (en) * | 2006-11-06 | 2007-11-21 | 深圳市思乐数据技术有限公司 | Thermal sensitive printing device |
| TW201623929A (en) * | 2014-12-18 | 2016-07-01 | Nat Inst Chung Shan Science & Technology | Micro-force sensing device |
| US20200001635A1 (en) * | 2016-12-22 | 2020-01-02 | Videojet Technologies Inc. | Printer |
| CN110747587A (en) * | 2019-11-28 | 2020-02-04 | 杰克缝纫机股份有限公司 | Needle distance detection method, needle distance detection device, sewing machine and readable storage medium |
| CN113709622A (en) * | 2021-09-23 | 2021-11-26 | 歌尔科技有限公司 | Method and device for detecting state of head-mounted electronic equipment, head-mounted electronic equipment and medium |
-
2022
- 2022-08-12 CN CN202210966185.6A patent/CN115157871B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5360276A (en) * | 1990-08-10 | 1994-11-01 | Siemens Nixdorf Informationssysteme Aktiengesellschaft | Printing device with adjustable printing head gap |
| JPH06255200A (en) * | 1993-03-09 | 1994-09-13 | Seiko Epson Corp | Printer device |
| CN200977754Y (en) * | 2006-11-06 | 2007-11-21 | 深圳市思乐数据技术有限公司 | Thermal sensitive printing device |
| TW201623929A (en) * | 2014-12-18 | 2016-07-01 | Nat Inst Chung Shan Science & Technology | Micro-force sensing device |
| US20200001635A1 (en) * | 2016-12-22 | 2020-01-02 | Videojet Technologies Inc. | Printer |
| CN113601994A (en) * | 2016-12-22 | 2021-11-05 | 录象射流技术公司 | Printer with a movable platen |
| CN110747587A (en) * | 2019-11-28 | 2020-02-04 | 杰克缝纫机股份有限公司 | Needle distance detection method, needle distance detection device, sewing machine and readable storage medium |
| CN113709622A (en) * | 2021-09-23 | 2021-11-26 | 歌尔科技有限公司 | Method and device for detecting state of head-mounted electronic equipment, head-mounted electronic equipment and medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115157871B (en) | 2023-11-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20200004249A1 (en) | Data training method and apparatus for autonomous vehicle | |
| US11130501B2 (en) | System, method and apparatus for controlling autonomous driving vehicle | |
| US10040362B2 (en) | Secondary charging pad alignment method, wireless charging control apparatus, and method of operating charger | |
| CN110342356B (en) | Call calling method, system, control panel and storage medium | |
| JP2001142534A (en) | Control method for unmanned carrier | |
| CN106891741A (en) | Wireless charging alignment system and method, electric vehicle and wireless charging emission system | |
| CN111977571A (en) | Speed control method and device for lifting mechanism | |
| CN112758031A (en) | Vehicle control system, vehicle control method, device, equipment and medium | |
| CN115157871A (en) | Distance determination method between print head and print substrate, printing apparatus, and storage medium | |
| CN112498556B (en) | Brake control method of electric bicycle and electric bicycle | |
| CN109799812A (en) | AGV onboard system and control method, more vehicles scheduling system and control method | |
| CN114567445B (en) | Method, device, equipment and medium for transmitting signature verification data | |
| CN109032853B (en) | Method and device for controlling FPGA card group | |
| US10846132B2 (en) | Information processing apparatus | |
| CN113220345B (en) | Method, device, equipment and storage medium for processing instruction block | |
| CN116781797A (en) | Protocol message conversion method and equipment | |
| CN210515035U (en) | Vehicle-mounted mobile terminal based on star-shaped topological structure | |
| CN211110917U (en) | Fork truck AGV control system based on laser navigation | |
| CN111289029A (en) | Sensor measurement system and method of assigning sensors in a sensor measurement system | |
| CN102910165B (en) | A kind of motor vehicle driven by mixed power and power output control device thereof | |
| CN202127156U (en) | Test device transition cable | |
| CN116534606B (en) | Transportation control platform, method, equipment and storage medium | |
| CN112003656A (en) | System and method for testing vehicle-mounted wireless communication terminal assembly product | |
| CN208276462U (en) | Pressing device and assembly line | |
| CN114035551B (en) | Configuration method for vehicle remote diagnosis |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Room 305a, angye building, Pioneer Park, torch hi tech Zone, Xiamen, Fujian, 361000 Patentee after: Xiamen Hanyin Co.,Ltd. Country or region after: China Address before: Room 305a, angye building, Pioneer Park, torch hi tech Zone, Xiamen, Fujian, 361000 Patentee before: XIAMEN HANIN ELECTRONIC TECHNOLOGY Co.,Ltd. Country or region before: China |
|
| CP03 | Change of name, title or address |