CN204712683U - A kind of minitype thermal printer - Google Patents
A kind of minitype thermal printer Download PDFInfo
- Publication number
- CN204712683U CN204712683U CN201520267726.1U CN201520267726U CN204712683U CN 204712683 U CN204712683 U CN 204712683U CN 201520267726 U CN201520267726 U CN 201520267726U CN 204712683 U CN204712683 U CN 204712683U
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- China
- Prior art keywords
- control unit
- printer
- central control
- interface
- unit
- 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.)
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Links
- 238000007639 printing Methods 0.000 claims abstract description 35
- 238000009434 installation Methods 0.000 claims abstract description 7
- 238000001514 detection method Methods 0.000 claims description 13
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical group [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims description 4
- 229910001416 lithium ion Inorganic materials 0.000 claims description 4
- 238000004891 communication Methods 0.000 description 5
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000013021 overheating Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 238000007651 thermal printing Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- 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
- B41J2/32—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 using thermal heads
-
- 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
- B41J29/02—Framework
- B41J29/023—Framework with reduced dimensions
-
- 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
- Accessory Devices And Overall Control Thereof (AREA)
- Printers Characterized By Their Purpose (AREA)
Abstract
The utility model discloses a kind of minitype thermal printer, and this minitype thermal printer, comprises printer body, is provided with battery installation unit, centralized control unit and printer interface in described printer body; Wherein, be provided with battery in described battery installation unit, described battery connects described centralized control unit; Described centralized control unit connects described printer interface; Described centralized control unit connects electric-motor drive unit, and described electric-motor drive unit connects described printer interface; Described centralized control unit connects power control unit, and described power control unit connects described printer interface; Described printer interface connects protected location, and described protected location connects described centralized control unit.Make this thermal printer can not rely on the restriction of mains-supplied position, realize portable printing.
Description
Technical Field
The utility model relates to a printer.
Background
The miniature thermal printer has the advantages of high printing speed, clear printed handwriting, rich printable contents and low noise, and is widely applied to various occasions needing to quickly generate transaction bills. Early products generally adopt commercial power supply, adopt wired modes such as RS232, parallel port, USB to be connected with computer, POS machine, and the product does not have portability or portability is very weak. In recent years, with rapid development of logistics, distribution, mobile government, police and other businesses and continuous improvement of informatization degree, the market demand for portable bill printers is increasing.
Disclosure of Invention
In order to solve the problem that the current miniature thermal printer is not portable, a portable miniature thermal printer is designed by the technical personnel in the field.
The utility model provides a micro thermal printer, which comprises a printer body,
the printer body is internally provided with a battery installation unit, a central control unit and a printer interface; wherein,
a battery is arranged in the battery installation unit and is connected with the central control unit; the central control unit is connected with the printer interface;
the central control unit is connected with a motor driving unit, and the motor driving unit is connected with the printer interface;
the central control unit is connected with a power supply control unit, and the power supply control unit is connected with the printer interface;
the printer interface is connected with a protection unit, and the protection unit is connected with the central control unit.
Further, the central control unit is a CPU with power consumption lower than a preset value.
Further, the battery is a lithium ion battery.
Furthermore, the central control unit is also provided with a USB interface; and/or the presence of a gas in the gas,
a Bluetooth interface; and/or the presence of a gas in the gas,
an RS232 interface.
Further, the protection unit includes:
a paper detection circuit connected to the printer interface and used for detecting paper;
the voltage and temperature detection circuit is connected with the printer interface and is used for measuring the voltage and the temperature of a printing head of the printer;
and the overheat protection circuit is connected with the voltage and temperature detection circuit and sends power supply stop information to the central control unit when the temperature of the printing head is higher than a preset temperature.
Further, the central control unit is also connected with a word stock storage.
Further, the central control unit is also connected with an alarm unit.
Further, the alarm unit comprises an LED indicator light and a buzzer.
Further, a charging control unit is connected to the battery;
the battery is connected with the switch control unit, and the switch control unit is connected with the central control unit.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the utility model provides a pair of portable miniature thermal printer passes through battery powered thereby makes this thermal printer can not rely on the restriction of commercial power supply position, still is provided with the wireless communication interface on this printer body moreover, makes this printer realize convenient communication and accomplish the printing task under wireless communication's the condition.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
FIG. 1 is a block diagram schematically illustrating the structure of an embodiment of the present invention;
fig. 2 is a flow chart showing a specific use of the embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The preferred embodiments of the present invention will be further described with reference to the accompanying drawings:
the information embodiment of the utility model provides a micro thermal printer, as shown in figure 1, which comprises a printer body, wherein a battery installation unit, a central control unit and a printer interface are arranged in the printer body; wherein, a battery is arranged in the battery mounting unit and is connected with the central control unit; the central control unit is connected with a printer interface; the central control unit is connected with the motor driving unit, and the motor driving unit is connected with the printer interface; the central control unit is connected with the power supply control unit, and the power supply control unit is connected with the printer interface; the printer interface is connected with a protection unit, and the protection unit is connected with a central control unit. Wherein, the central control unit is a low-energy consumption CPU with the power consumption lower than a preset value.
The embodiment of the utility model provides an in preferred battery is lithium ion battery, and this battery capacity is big, and standby time is long, and this central control unit (low power consumption CPU) still is provided with USB interface, bluetooth interface, RS232 interface moreover. Wherein RS (recommended standard) in RS232C represents recommendation standard, 232 is identification number, and C represents the latest modification (1969) of RS232, and is a computer interface.
The protection unit includes: a paper detection circuit connected to the printer interface and used for detecting paper; a voltage and temperature detection circuit connected to a print head of the printer for measuring a print head voltage and temperature; and an overheat protection circuit connected to the voltage and temperature detection circuit and transmitting power supply stop information to the central control unit when the temperature of the print head is higher than a predetermined temperature.
The central control unit is also connected with a word stock storage and an alarm unit. Wherein, alarm unit includes LED pilot lamp and bee calling organ.
The battery is connected with a charging control unit; the battery is connected with the switch control unit, and the switch control unit is connected with the central control unit.
The utility model discloses from CPU, communication interface and battery the lectotype, to the control of power and software design aspect, the priority has considered the low-power consumption factor to make this printer once charge the back support and print in succession the aspect and all can reach predetermined effect at stand-by power consumption and battery.
In order to further prolong the continuous printing time of the printer and reduce the power consumption, the part selection is fully considered. The low-power-consumption CPU is preferably a Cortex M0 series 32-bit CPU, namely a Nano series, is specially designed for battery-powered low-power-consumption application, and has the characteristics of high performance, low voltage, low power consumption and high cost performance. The utility model discloses choose Nano120LD3BN CPU for use, dominant frequency 32MHz has 2 way UART, 1 way USB Device, 34 line IO, and built-in 64KB Flash and 16KB SRAM satisfy the needs that realize 58mm thermal printer drive and control. The driving voltage of the 58mm thermal printing head is generally 4.5V-8.4V, so that the lithium ion battery with the rated voltage of 7.4V and the capacity of 1600mAh is selected as the battery, and the transient discharge capability is strong. The Bluetooth module selects a low-power consumption 2.0 version or a low-power consumption BLE4.0 module, and standby and peak working currents are low.
As shown in fig. 1, the battery is connected to VCC-POW (power source) through a switch control module, and is connected to a central control unit through VCC-POW, and the central control unit enables the CPU to control the driving power supplied to the print head of the printer through the power control unit: when the printing head is idle and does not print, the CPU turns off the power supply of the printing head, so that the leakage loss is reduced, and the standby power consumption is reduced; when a printing task is available, the power supply is turned on, and the printing is timely turned off when the printing is completed. The voltage and temperature detection circuit and the overheating protection circuit dynamically adjust the printing parameters of the printing head by detecting the voltage and the temperature of the printing head in real time, so that the printing effect of the printer can be kept consistent under different power supply voltages and printing head temperature states; on the other hand, the overheating protection circuit can send power supply stopping information to the central control unit when the temperature of the printing head is overheated so as to cut off the power supply to stop printing, and thus the printing head is protected.
The word stock memory connected with the central control unit is used for storing various word stock files required by the printer and also can download and store user-defined characters, bitmaps and the like. Three communication modes of RS232, Bluetooth wireless and USB can be selected, and the requirement of connecting host equipment of different types is conveniently met.
The software design has a watchdog protection function, and once the program is run away, the printer is reset and the power supply of the printing head is turned off.
A detailed flow chart is shown in figure 2,
initializing each functional unit in a printer body, and checking whether printing paper is normal and whether printing head voltage and temperature of the printer are normal through a paper detection circuit, a voltage detection circuit and a temperature detection circuit;
when the printing paper is abnormal or the voltage and the temperature of a printing head of the printer are abnormal, starting an alarm unit to alarm or sending power supply stopping information to a central control unit;
when the printing paper is normal and the printing head voltage and temperature of the printer are normal, dynamically adjusting the printing parameters of the printing head through the printing head voltage and temperature, and checking an instruction cache in the printer, wherein the instruction cache in the printer can be transmitted to a central control unit through any one of RS232, Bluetooth and USB interfaces of the central control unit and is put into the instruction cache by the central control unit;
step four, returning to the step one again under the condition that the printing instruction is not received;
and step five, under the condition that the printing instruction is received, executing the printing instruction, printing out the materials such as characters, pictures and the like in the final format in modes such as format change and the like, and then returning to the step one.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A miniature thermal printer comprises a printer body and is characterized in that,
the printer body is internally provided with a battery installation unit, a central control unit and a printer interface; wherein,
a battery is arranged in the battery installation unit and is connected with the central control unit; the central control unit is connected with the printer interface;
the central control unit is connected with a motor driving unit, and the motor driving unit is connected with the printer interface;
the central control unit is connected with a power supply control unit, and the power supply control unit is connected with the printer interface;
the printer interface is connected with a protection unit, and the protection unit is connected with the central control unit.
2. The micro thermal printer according to claim 1, wherein the central control unit is a CPU having power consumption lower than a predetermined value.
3. The micro thermal printer according to claim 2, wherein the battery is a lithium ion battery.
4. The micro thermal printer according to any one of claims 1-3, wherein the central control unit is further provided with a USB interface; and/or the presence of a gas in the gas,
a Bluetooth interface; and/or the presence of a gas in the gas,
an RS232 interface.
5. The micro thermal printer according to claim 4, wherein the protection unit comprises:
a paper detection circuit connected to the printer interface and used for detecting paper;
the voltage and temperature detection circuit is connected with the printer interface and is used for measuring the voltage and the temperature of a printing head of the printer;
and the overheat protection circuit is connected with the voltage and temperature detection circuit and sends power supply stop information to the central control unit when the temperature of the printing head is higher than a preset temperature.
6. The miniature thermal printer of claim 4 wherein said central control unit is further connected to a word stock repository.
7. The miniature thermal printer according to claim 4, wherein said central control unit is further connected to an alarm unit.
8. The micro thermal printer according to claim 7, wherein the alarm unit comprises an LED indicator lamp and a buzzer.
9. The micro thermal printer according to claim 4, wherein a charge control unit is connected to the battery;
the battery is connected with the switch control unit, and the switch control unit is connected with the central control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520267726.1U CN204712683U (en) | 2015-04-29 | 2015-04-29 | A kind of minitype thermal printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520267726.1U CN204712683U (en) | 2015-04-29 | 2015-04-29 | A kind of minitype thermal printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204712683U true CN204712683U (en) | 2015-10-21 |
Family
ID=54311708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520267726.1U Active CN204712683U (en) | 2015-04-29 | 2015-04-29 | A kind of minitype thermal printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204712683U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105396218A (en) * | 2015-12-15 | 2016-03-16 | 天津光电通信技术有限公司 | Micro tattoo machine |
| CN110103593A (en) * | 2018-02-01 | 2019-08-09 | 富士通电子零件有限公司 | Printing equipment |
| CN110228296A (en) * | 2019-06-19 | 2019-09-13 | 厦门盈趣科技股份有限公司 | Wirelessly transmitting data handles printing device |
| CN115610113A (en) * | 2021-07-14 | 2023-01-17 | 东芝泰格有限公司 | Printer and storage medium |
-
2015
- 2015-04-29 CN CN201520267726.1U patent/CN204712683U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105396218A (en) * | 2015-12-15 | 2016-03-16 | 天津光电通信技术有限公司 | Micro tattoo machine |
| CN110103593A (en) * | 2018-02-01 | 2019-08-09 | 富士通电子零件有限公司 | Printing equipment |
| CN110228296A (en) * | 2019-06-19 | 2019-09-13 | 厦门盈趣科技股份有限公司 | Wirelessly transmitting data handles printing device |
| CN115610113A (en) * | 2021-07-14 | 2023-01-17 | 东芝泰格有限公司 | Printer and storage medium |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |