CN210652347U - Motor torque adjusting device and barcode printer - Google Patents

Motor torque adjusting device and barcode printer Download PDF

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Publication number
CN210652347U
CN210652347U CN201920461894.2U CN201920461894U CN210652347U CN 210652347 U CN210652347 U CN 210652347U CN 201920461894 U CN201920461894 U CN 201920461894U CN 210652347 U CN210652347 U CN 210652347U
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CN
China
Prior art keywords
roll paper
motor torque
motor
detection part
torque
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Expired - Fee Related
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CN201920461894.2U
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Chinese (zh)
Inventor
関安弘
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Toshiba TEC Corp
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Toshiba TEC Corp
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Priority to CN201920461894.2U priority Critical patent/CN210652347U/en
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Abstract

The embodiment of the utility model provides a motor torque adjusting device and bar code printer, include: a detection unit and a control unit; the detection part is arranged in the shell of the bar code printer, is electrically connected with the control part and is used for detecting the residual information of the roll paper; the control part is used for receiving the residual amount information sent by the detection part; meanwhile, the control part is electrically connected with the driving motor and used for adjusting the torque of the driving motor. By using the motor torque adjusting device and the bar code printer, the problem that the existing bar code printer has asynchronous transmission or unnecessary power consumption due to the fact that the torque of the motor cannot be changed along with the diameter change of the roll paper is solved, and the purposes of optimizing the running mode of the motor, saving energy and reducing cost are achieved.

Description

Motor torque adjusting device and barcode printer
Technical Field
The utility model relates to a motor torque adjusting device and bar code printer.
Background
In the case of the existing bar code printer, the roll paper is transported by the rotation of the motor. In the process, the diameter of the roll paper is large, and the required torque of the motor is large; when the diameter of the roll paper is small, the torque of the motor is small.
However, the torque of most motors does not change along with the diameter change of the roll paper, and when the diameter of the roll paper is large, the torque of the motors is insufficient, so that the conveying is not synchronous; alternatively, when the roll paper diameter is small, the motor torque becomes excessive, resulting in unnecessary power consumption.
Therefore, the conventional barcode printer has a problem that the torque of the motor cannot be changed with the change of the diameter of the roll paper, resulting in asynchronous conveyance or unnecessary power consumption.
SUMMERY OF THE UTILITY MODEL
In view of the above problem, the present invention aims to provide a motor torque adjusting device and a barcode printer, so as to avoid the problem that the torque of the motor of the existing barcode printer cannot change along with the diameter change of the roll paper, which results in asynchronous or unnecessary power consumption in the transportation, and achieve the purposes of optimizing the operation mode of the motor and saving energy and reducing cost.
In a first aspect, the present invention provides a motor torque adjusting device for a barcode printer, comprising: a detection unit and a control unit; the detection part is arranged in the shell of the bar code printer, is electrically connected with the control part and is used for detecting the residual information of the roll paper; the control part is used for receiving the residual amount information sent by the detection part; meanwhile, the control part is electrically connected with the driving motor and used for adjusting the torque of the driving motor.
According to the above configuration, the control unit can adjust the torque of the drive motor in real time by using the remaining amount of the roll paper information from the detection unit as a reference index, thereby preventing the conveyance from being out of synchronization when the roll paper diameter is large or preventing unnecessary power consumption due to excessive torque when the roll paper diameter is small.
Further, in the above motor torque adjusting device, the control section includes a processing unit and an adjusting unit; the input end of the processing unit is electrically connected with the output end of the detection part and is used for receiving the residual amount information sent by the detection part; the output end of the processing unit is electrically connected with the input end of the adjusting unit and is used for sending a preset parameter adjusting instruction to the adjusting unit according to the allowance information; and the output end of the adjusting unit is electrically connected with the input end of the driving motor and is used for adjusting the torque of the driving motor according to the parameter adjusting instruction.
Further, in the above motor torque adjusting device, the adjusting means is a current adjuster.
The current is an important parameter influencing the torque of the driving motor, and the torque of the driving motor can be effectively adjusted by using the current regulator.
Further, in the above motor torque adjusting apparatus, the detection portion is located at the roll paper support frame.
The detection part is arranged on the support frame of the roll paper, so that the interference of the external environment to the detection link can be avoided as much as possible, and the detection part can be used for effectively detecting the roll paper conveniently.
Further, in the motor torque adjusting device, the detecting portion is provided on a plane perpendicular to a central axis of the roll paper; the detection part is a reflection sensor.
The reflection sensor is adopted, so that the installation wiring is simple and convenient, the alignment of the light path is convenient, the influence of the shape and the material of the detected object is avoided, and the installation space can be saved.
Further, in the motor torque adjusting device, the reflection sensor may be provided in plurality; the plurality of reflection sensors are arranged along the radial direction of the roll paper.
Set up a plurality of reflection sensor along the cylinder paper is radial, the surplus of detection cylinder paper that can be more accurate for driving motor's torque change is more synchronous with the change of cylinder paper, is favorable to preventing to carry asynchronous or the extravagant problem of electric power.
Further, in the motor torque adjusting device, the detecting portion is provided on a plane parallel to a central axis of the roll paper; the detection part is a distance measuring instrument.
The distance measuring instrument is arranged on a plane parallel to the central axis of the roll paper, and can measure the distance between the outer surface of the roll paper and the distance measuring instrument. Because the distance between the surface of the rotating shaft of the roll paper support frame and the distance measuring instrument is constant, the allowance of the roll paper can be accurately obtained by measuring the distance between the outer surface of the roll paper and the distance measuring instrument, and the torque of the driving motor is adjusted by the control part, so that the problem of asynchronous transmission or power waste is favorably solved.
Further, in the motor torque adjusting apparatus, the distance measuring instrument is a laser distance measuring instrument.
The laser has good directivity and single wavelength, and the distance between the laser range finder and the target object can be calculated accurately, so that the accuracy of the measurement result can be effectively ensured.
Further, in the above-described motor torque adjusting device, the adjusting means is a voltage regulator.
The voltage is an important parameter influencing the torque of the driving motor, and the torque of the driving motor can be effectively adjusted by using the voltage regulator.
In a second aspect, the present invention provides a barcode printer comprising a motor torque adjustment device as defined in any one of the above.
The embodiment of the utility model provides a motor torque adjusting device and bar code printer, include: a detection unit and a control unit; the detection part is arranged in the shell of the bar code printer, is electrically connected with the control part and is used for detecting the residual information of the roll paper; the control part is used for receiving the residual amount information sent by the detection part; meanwhile, the control part is electrically connected with the driving motor and used for adjusting the torque of the driving motor. By using the motor torque adjusting device and the bar code printer, the problem that the existing bar code printer has asynchronous transmission or unnecessary power consumption due to the fact that the torque of the motor cannot be changed along with the diameter change of the roll paper is solved, and the purposes of optimizing the running mode of the motor, saving energy and reducing cost are achieved.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a schematic view of an installation position of a detection part in a first embodiment of the present invention;
FIG. 2 is a schematic view of the light reflection of the roll paper with a large diameter according to the first embodiment of the present invention;
FIG. 3 is a schematic view of the light reflection of the roll paper with a small diameter according to the first embodiment of the present invention;
FIG. 4 is a diagram of the overall logical framework of the first embodiment of the present invention;
fig. 5 is a schematic view of the installation position of the detection unit according to the second embodiment of the present invention; and
fig. 6 is a diagram of the second embodiment of the present invention.
Description of the reference numerals
1 Motor Torque control device
2 roll paper
3 support frame
4 rotating shaft
5 through hole
6 detection part
7 control part
8 processing unit
9 Current regulator
10 voltage regulator
Detailed Description
Various exemplary embodiments, features and aspects of the present invention will be described in detail below with reference to the accompanying drawings. In the drawings, like reference numbers can indicate functionally identical or similar elements. While the various aspects of the embodiments are presented in drawings, the drawings are not necessarily drawn to scale unless specifically indicated. The word "exemplary" is used exclusively herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
It will be appreciated by those skilled in the art that features of the embodiments of the invention may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
In the following detailed description, numerous specific details are set forth in order to provide a better understanding of the present invention. It will be understood by those skilled in the art that the present invention may be practiced without some of these specific details. In some instances, methods, instrumentalities and elements well known to those skilled in the art have not been described in detail so as not to obscure the present invention.
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below.
Hereinafter, referring to fig. 1 to 4, a first embodiment of the motor torque adjusting device of the present invention is shown. Fig. 1 is a schematic view of an installation position of a detection part in a first embodiment of the present invention; FIG. 2 is a schematic view of the light reflection of the roll paper with a large diameter according to the first embodiment of the present invention; FIG. 3 is a schematic view of the light reflection of the roll paper with a small diameter according to the first embodiment of the present invention; fig. 4 is a diagram of the overall logical framework of the first embodiment of the present invention.
Wherein, the double-arrow line segment in fig. 2 represents the path of the light emitted and reflected; the double-headed arrow in fig. 3 represents the path of the light rays emitted and reflected, and the single-headed arrow represents the path of the light rays emitted.
The utility model provides a motor torque adjusting device 1 for bar code printer, include: a detection unit 6 and a control unit 7; the detection part 6 is arranged in the shell of the bar code printer, is electrically connected with the control part 7 and is used for detecting the residual amount information of the roll paper 2; the control part 7 is used for receiving the residual amount information sent by the detection part 6; meanwhile, the control part 7 is electrically connected with the driving motor and used for adjusting the torque of the driving motor.
With the above configuration, the control unit 7 can adjust the torque of the drive motor in real time by using the remaining amount information of the roll paper 2 from the detection unit 6 as a reference index, thereby preventing unnecessary power consumption due to the asynchronous conveyance when the roll paper 2 has a large diameter or due to the excessive torque when the roll paper 2 has a small diameter.
Next, in the motor torque adjusting device 1, the control section 7 includes a processing unit 8 and an adjusting unit; the input end of the processing unit 8 is electrically connected with the output end of the detection part 6 and is used for receiving the residual amount information sent by the detection part 6; the output end of the processing unit 8 is electrically connected with the input end of the adjusting unit and is used for sending a preset parameter adjusting instruction to the adjusting unit according to the allowance information; and the output end of the adjusting unit is electrically connected with the input end of the driving motor and is used for adjusting the torque of the driving motor according to the parameter adjusting instruction.
In the motor torque control device 1, the control means is a current controller 9.
The current is an important parameter affecting the torque of the drive motor, and the torque of the drive motor can be effectively adjusted by using the current adjuster 9.
In the motor torque adjusting device 1, the detecting unit 6 is provided on a plane perpendicular to the center axis of the roll paper 2; the detection unit 6 is a reflection type photoelectric sensor.
With the above configuration, when the light emitted from the detecting portion 6 reaches the radial surface position of the roll paper 2 and is reflected back to the detecting portion 6, it is described that the radius of the roll paper 2 is larger than the distance between the detecting portion 6 and the central axis; when the light emitted by the detection part 6 reaches the radial surface position of the roll paper 2 and is not reflected back to the detection part 6, the radius of the roll paper 2 is smaller than the distance between the detection part 6 and the central axis, so that the residual quantity of the roll paper 2 is judged.
By adopting the reflective photoelectric sensor, the installation wiring is simple and convenient, the alignment of the light path is convenient, the influence of the shape and the material of the detected object is avoided, and the installation space can be saved.
Meanwhile, in the motor torque adjusting device 1, six reflective photoelectric sensors are provided; the six reflective photoelectric sensors are uniformly distributed along the radial direction of the roll paper 2.
The more the six reflection sensors arranged along the radial direction of the roll paper 2 receive the reflection light rays at different positions, the larger the diameter of the roll paper 2 is; conversely, the smaller the amount of reflected light received at different locations, the smaller the diameter of the web 2. Therefore, through setting up six reflection sensor, the surplus of detection roll paper 2 that can be more accurate for driving motor's torque changes more synchronous with the change of roll paper 2, is favorable to preventing to carry out desynchronization or the extravagant problem of electric power.
In the motor torque adjusting device 1, the detecting portion 6 is positioned on the roll paper 2 and the holder 3.
Detection portion 6 sets up in 2 support frames 3 of cylinder paper, can avoid external environment to the interference of measuring the link as far as possible, and detection portion 6 of being convenient for implements effectual detection to 2 allowances of cylinder paper.
In the motor torque adjusting apparatus, the holder 3 of the roll paper 2 is provided with a through hole 5, and the detecting part 6 is mounted in the through hole 5.
With the above configuration, the internal space of the barcode printer can be further optimized, and the fixing of the detection unit 6 and the improvement of the accuracy of the detection data are facilitated.
Referring again to fig. 1-4, in actual operation:
the six reflective photoelectric sensors as the detection portions 6 transmit detection information to the processing unit 8. The roll paper 2 is output outwards under the action of the rotating shaft 4, the diameter of the roll paper 2 gradually becomes smaller, and the number of sensors receiving the reflected light is reduced accordingly. The processing unit 8 sends an instruction for adjusting the current of the driving motor to the current regulator 9 according to the quantity value of the received detection information, so that the torque of the driving motor is changed: the greater the number of detection information received by the processing unit 8, the greater the torque of the drive motor by the current regulator 9; the smaller the number of the received detection information, the smaller the torque of the driving motor is made by the current regulator 9, thereby achieving the purposes of optimizing the operation mode of the motor, saving energy and reducing cost.
The embodiment of the utility model provides a motor torque adjusting device 1 for bar code printer, include: a detection unit 6 and a control unit 7; the detection part 6 is arranged on a plane vertical to the central axis of the roll paper 2; the detection part 6 is a reflection sensor, is electrically connected with the control part 7 and is used for detecting the residual information of the roll paper 2; the control part 7 is used for receiving the residual amount information sent by the detection part 6; meanwhile, the control part 7 is electrically connected with the driving motor and used for adjusting the torque of the driving motor. By using the motor torque adjusting device 1, the problem that the torque of the motor cannot be changed along with the diameter change of the roll paper, so that the asynchronous conveying or unnecessary power consumption is caused in the conventional bar code printer is solved.
Hereinafter, referring to fig. 5 and 6, a second embodiment of the motor torque adjusting device of the present invention is shown. Fig. 5 is a schematic view of the installation position of the detection unit according to the second embodiment of the present invention; fig. 6 is a diagram of the second embodiment of the present invention.
The utility model provides a motor torque adjusting device 1 for bar code printer, include: a detection unit 6 and a control unit 7; the detection part 6 is arranged in the shell of the bar code printer, is electrically connected with the control part 7 and is used for detecting the residual amount information of the roll paper 2; the control part 7 is used for receiving the residual amount information sent by the detection part 6; meanwhile, the control part 7 is electrically connected with the driving motor and used for adjusting the torque of the driving motor.
With the above configuration, the control unit 7 can adjust the torque of the drive motor in real time by using the remaining amount information of the roll paper 2 from the detection unit 6 as a reference index, thereby preventing unnecessary power consumption due to the asynchronous conveyance when the roll paper 2 has a large diameter or due to the excessive torque when the roll paper 2 has a small diameter.
Next, in the motor torque adjusting device 1, the control section 7 includes a processing unit 8 and an adjusting unit; the input end of the processing unit 8 is electrically connected with the output end of the detection part 6 and is used for receiving the residual amount information sent by the detection part 6; the output end of the processing unit 8 is electrically connected with the input end of the adjusting unit and is used for sending a preset parameter adjusting instruction to the adjusting unit according to the allowance information; and the output end of the adjusting unit is electrically connected with the input end of the driving motor and is used for adjusting the torque of the driving motor according to the parameter adjusting instruction.
In the motor torque adjusting device 1, the adjusting means is a voltage regulator 10.
Voltage is an important parameter affecting the torque of the driving motor, and the torque of the driving motor can be effectively adjusted by using the voltage regulator 10.
In the motor torque control device 1, the detection unit 6 is provided on a plane parallel to the central axis of the roll paper 2; the detection unit 6 is a distance measuring instrument.
The distance measuring instrument is arranged on a plane parallel to the central axis of the roll paper 2, and can measure the distance between the outer surface of the roll paper 2 and the distance measuring instrument. Because the distance between the surface of the rotating shaft 4 of the support frame 3 of the roll paper 2 and the distance measuring instrument is constant, the allowance of the roll paper 2 can be represented by measuring the distance between the outer surface of the roll paper 2 and the distance measuring instrument, and the torque of the driving motor is adjusted by the control part 7, so that the problem of asynchronous transmission or power waste is favorably prevented.
Meanwhile, in the motor torque adjusting apparatus 1, the distance measuring instrument is a laser distance measuring instrument.
The laser has good directivity and single wavelength, and the distance between the laser range finder and the target object can be calculated accurately, so that the accuracy of the measurement result can be effectively ensured.
In the motor torque adjusting device 1, the detecting portion 6 is positioned on the roll paper 2 and the holder 3.
Detection portion 6 sets up in 2 support frames 3 of cylinder paper, can avoid external environment to the interference of measuring the link as far as possible, and detection portion 6 of being convenient for implements effectual detection to cylinder paper 2.
Referring again to fig. 5 and 6, in actual operation:
a laser range finder as the detecting section 6 is provided on a plane parallel to the central axis of the roll paper 2, and the value of the distance between the outer surface of the roll paper 2 and the laser range finder is transmitted to the processing unit 8. Because the distance between the surface of the rotating shaft 4 of the support frame 3 of the roll paper 2 and the laser range finder is constant, the distance value can represent the allowance of the roll paper 2. The processing unit 8 sends an instruction for adjusting the voltage of the driving motor to the voltage regulator 10 according to the received distance value, so that the torque of the driving motor is changed: the larger the distance value, the smaller the torque of the drive motor by the voltage regulator 10; the smaller the distance value, the greater the torque of the drive motor is made by the voltage regulator 10, so as to achieve the purposes of optimizing the operation mode of the motor, saving energy and reducing cost.
The embodiment of the utility model provides a motor torque adjusting device 1 for bar code printer, include: a detection unit 6 and a control unit 7; the detection part 6 is arranged on a plane parallel to the central axis of the roll paper 2; the detection part 6 is a distance measuring instrument, is electrically connected with the control part 7 and is used for detecting the residual amount information of the roll paper 2; the control part 7 is used for receiving the residual amount information sent by the detection part 6; meanwhile, the control part 7 is electrically connected with the driving motor and used for adjusting the torque of the driving motor. By using the motor torque adjusting device 1, the problem that the torque of the motor cannot be changed along with the diameter change of the roll paper, so that the asynchronous conveying or unnecessary power consumption is caused in the conventional bar code printer is solved.
In fact, the utility model discloses well distance measuring instrument can also select other modes except selecting laser range finder, for example sound wave range finder etc. as long as can effective measuring instrument itself apart from the length on drum paper surface, all belong to the utility model discloses a protection scope.
Furthermore, the utility model discloses well reflective sensor's quantity is not limited to 6, according to the required precision of difference, can select different quantity, all belongs to the utility model discloses a protection scope.
In summary, no matter the specific form of the distance measuring instrument is selected, or the number of the reflective sensors is selected, so long as the concept of "detecting the residual amount of the roll paper by the detecting portion and making the control portion perform torque adjustment on the driving motor according to the residual amount information" is included, the present invention is within the protection scope.
The embodiment of the utility model provides a motor torque adjusting device for bar code printer, include: a detection unit and a control unit; the detection part is arranged in the shell of the bar code printer, is electrically connected with the control part and is used for detecting the residual information of the roll paper; the control part is used for receiving the residual amount information sent by the detection part; meanwhile, the control part is electrically connected with the driving motor and used for adjusting the torque of the driving motor. By using the motor torque adjusting device, the problem that the torque of the motor cannot be changed along with the diameter change of the roll paper to cause asynchronous conveying or unnecessary power consumption in the conventional bar code printer is solved, and the purposes of optimizing the operation mode of the motor, saving energy and reducing cost are achieved.
In a second aspect, the present invention further provides a barcode printer, which has the same implementation and principle as the motor torque adjusting device, and the implementation and principle are not described herein again.
As described above, although the embodiments of the present invention have been described in detail, it will be apparent to those skilled in the art that many modifications can be made to the embodiments without substantially departing from the spirit and scope of the present invention. Therefore, all such modifications are included in the scope of the present invention.

Claims (10)

1. A motor torque adjustment device for a bar code printer, comprising:
a detection unit and a control unit;
the detection part is arranged in the shell of the bar code printer, is electrically connected with the control part and is used for detecting the residual information of the roll paper;
the control part is used for receiving the residual amount information sent by the detection part; at the same time
The control part is electrically connected with the driving motor and used for adjusting the torque of the driving motor.
2. The motor torque adjustment device according to claim 1,
the control part comprises a processing unit and an adjusting unit;
the input end of the processing unit is electrically connected with the output end of the detection part and is used for receiving the residual amount information sent by the detection part;
the output end of the processing unit is electrically connected with the input end of the adjusting unit and is used for sending a preset parameter adjusting instruction to the adjusting unit according to the allowance information;
and the output end of the adjusting unit is electrically connected with the input end of the driving motor and is used for adjusting the torque of the driving motor according to the parameter adjusting instruction.
3. The motor torque adjustment device according to claim 2,
the regulating unit is a current regulator.
4. The motor torque adjustment device according to claim 3,
the detection part is positioned on the roll paper support frame.
5. The motor torque adjustment device according to claim 4,
the detection part is arranged on a plane vertical to the central axis of the roll paper;
the detection part is a reflection sensor.
6. The motor torque adjustment device according to claim 5,
the number of the reflection sensors is multiple;
the plurality of reflection sensors are arranged along the radial direction of the roll paper.
7. The motor torque adjustment device according to claim 4,
the detection part is arranged on a plane parallel to the central axis of the roll paper;
the detection part is a distance measuring instrument.
8. The motor torque adjustment device according to claim 7,
the distance measuring instrument is a laser distance measuring instrument.
9. The motor torque adjustment device according to claim 2,
the regulating unit is a voltage regulator.
10. A bar code printer, characterized in that,
comprising an electric motor torque regulating device according to any one of claims 1-9.
CN201920461894.2U 2019-04-08 2019-04-08 Motor torque adjusting device and barcode printer Expired - Fee Related CN210652347U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920461894.2U CN210652347U (en) 2019-04-08 2019-04-08 Motor torque adjusting device and barcode printer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920461894.2U CN210652347U (en) 2019-04-08 2019-04-08 Motor torque adjusting device and barcode printer

Publications (1)

Publication Number Publication Date
CN210652347U true CN210652347U (en) 2020-06-02

Family

ID=70843076

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920461894.2U Expired - Fee Related CN210652347U (en) 2019-04-08 2019-04-08 Motor torque adjusting device and barcode printer

Country Status (1)

Country Link
CN (1) CN210652347U (en)

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