CN212098053U

CN212098053U - Single-chip SOC (system on chip) of thermal printer

Info

Publication number: CN212098053U
Application number: CN201922149602.4U
Authority: CN
Inventors: 马亮
Original assignee: Shenzhen Gezhi Micro Core Technology Co ltd
Current assignee: Shenzhen Gezhi Micro Core Technology Co ltd
Priority date: 2019-12-04
Filing date: 2019-12-04
Publication date: 2020-12-08
Anticipated expiration: 2029-12-04

Abstract

The utility model discloses a thermal printer single-chip SOC, including MCU, storage module and motor driver module all with MCU electric connection, MCU, storage module and motor driver module integration are on an IC, MCU includes intelligent heating control module and realizes the user UI of human-computer interaction function, thermal printer single-chip SOC control printer prints, thermal printer single-chip SOC embeds has the communication port to contain 2 UASRT interfaces, 1 SPI interface, 1 USB interface and 1 bluetooth interface. The utility model discloses an integrate MCU, storage module and motor drive module on an IC, the IC size can accomplish within 7x7mm, and all printer control schemes on the market are unable to accomplish at present, and this chip has integrated thermal printer control technology software simultaneously, takes the chip and just can realize thermal printer control, and does not need to research and develop printer control in addition.

Description

Single-chip SOC (system on chip) of thermal printer

Technical Field

The utility model relates to the field of electronic technology, particularly, relate to a thermal printer single-chip SOC.

Background

The micro thermal printer is widely applied to built-in or external micro printer equipment of POS printers (commercial POS, financial POS), tax control printers, ATM, ECR, KIOSK, medical equipment and the like. In various fields such as business, logistics, industry, medical treatment and the like, as long as the scene of printing a receipt is needed, a thermal printer is needed, and the thermal printer has the advantages of high printing speed, low noise, low cost, clear printing, little mechanical loss of a printing head, no need of a color band, simplicity in maintenance and the like, so that the printer has the highest market share.

All current thermal printer control boards, except the power supply portion, require 3 essential ICs.

MCU (singlechip, generally ARM CORTEX M series kernel chip), is the core of whole temperature sensing control panel, accomplishes following work:

A. and communicating with the host computer, and receiving the control command and the printing data from the host computer.

B. Controlling the motor to feed paper and the heat-sensitive sheet to heat.

C. And reading the character library dot matrix from the memory chip to complete the graphic printing of the characters.

D. And the user UI realizes simple human-computer interaction, such as key pressing, printer state indication and the like.

2. A storage IC (practical SIP FLASH), a font library lattice, and printer setting parameters.

3. And a motor drive IC for driving the printer stepping motor to feed paper.

Most of the existing printing equipment is developed towards miniaturization, portability and modularization, a printing control scheme formed by 3 separated ICs occupies a PCB space, and cannot be reduced after being compressed to a certain condition, so that the miniaturization, portability and modularization of the printing equipment are not facilitated.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a thermal printer single-chip SOC (system on chip), integrated 3 IC's function in an IC.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a thermal printer single-chip SOC, includes MCU, storage module and motor driver module all with MCU electric connection, MCU, storage module and motor driver module integration are on an IC, MCU includes intelligent heating control module and realizes the user UI of human-computer interaction function, thermal printer single-chip SOC control printer prints, thermal printer single-chip SOC embeds there is the communication port to contain 2 UASRT interfaces, 1 SPI interface, 1 USB interface and 1 bluetooth interface.

Furthermore, the size of the single chip SOC of the thermal printer is within 7 multiplied by 7mm, and a graphic printing algorithm is adopted.

Further, the thermal printer single chip SOC uses the package of QFN60, the thermal printer single chip SOC realizes the self-adaptive voltage function, and the corresponding heating control algorithm is applied according to the voltage within the voltage range of 3.5V-9.5V.

Furthermore, the single chip SOC of the thermal printer is internally provided with a printing use recording function module, so that the printing use recording function module can record and check the total printing length to know the use condition of the printer.

Further, the single chip SOC of the thermal printer controls a printing head of the printer to implement a low-current printing mode, and the maximum printing current is strictly limited.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses an integrate MCU, storage module and motor drive module on an IC, the IC size can accomplish within 7x7mm, and all printer control schemes on the market are unable to accomplish at present, and this chip has integrated thermal printer control technology software simultaneously, takes the chip and just can realize thermal printer control, and does not need to research and develop printer control in addition.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a thermal printing SOC internal block diagram according to the present invention;

fig. 2 is a power control circuit diagram for a printhead according to the present invention;

FIG. 3 is a diagram illustrating the definition of the SOC pin of a single chip of a thermal printer according to the present invention;

FIG. 4 is a thermal print SOC chip function pins profile according to the present invention;

FIG. 5 is a thermal print SOC chip work flow diagram in accordance with the present invention;

fig. 6 is a circuit diagram of a USB interface according to the present invention;

FIG. 7 is a CTS pin circuit diagram of a BUSY pin RS232 of a thermal print SOC chip according to the present invention;

FIG. 8 is a thermal print SOC chip package according to the present invention;

fig. 9 is a diagram illustrating the definition of the pin function of the thermal printing SOC chip according to the present invention.

Detailed Description

The following, with reference to the drawings and the detailed description, further description of the present invention is made:

please refer to fig. 1-9, according to the utility model discloses a thermal printer single-chip SOC, including MCU, storage module and motor driver module all with MCU electric connection, MCU, storage module and motor driver module integration are on an IC, MCU includes intelligent heating control module and realizes the user UI of human-computer interaction function, thermal printer single-chip SOC control printer prints, thermal printer single-chip SOC embeds there is the communication port to contain 2 UASRT interfaces, 1 SPI interface, 1 USB interface and 1 bluetooth interface.

Through the above technical scheme of the utility model, the size of thermal printer single-chip SOC adopts the figure to print the algorithm within 7x7 mm.

Through the above technical scheme of the utility model, thermal printer single-chip SOC uses QFN 60's encapsulation, thermal printer single-chip SOC realizes from being suitable for the voltage function, at 3.5V- - -9.5V voltage range, is suitable for corresponding heating control algorithm according to voltage.

Through the above technical scheme of the utility model, thermal printer single-chip SOC embeds prints and uses the record function module, prints and uses the record function module to record and look over and print the total length, learns printer in service behavior.

Through the above technical scheme of the utility model, the printer head that beats of thermal printer single-chip SOC control printer carries out undercurrent and prints the mode, and the maximum current is printed in the strict limit.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a thermal printer single-chip SOC, its characterized in that, includes MCU, storage module and motor driver module all with MCU electric connection, MCU, storage module and motor driver module integration are on an IC, MCU includes intelligent heating control module and realizes the user UI of human-computer interaction function, thermal printer single-chip SOC control printer prints, thermal printer single-chip SOC embeds there is the communication port to contain 2 UASRT interfaces, 1 SPI interface, 1 USB interface and 1 bluetooth interface.

2. The SOC of claim 1, wherein the size of the SOC is within 7x7mm, and a graphic printing algorithm is used.

3. The thermal printer single-chip SOC as claimed in claim 1, wherein the thermal printer single-chip SOC uses QFN60 package, and the thermal printer single-chip SOC implements self-adaptive voltage function, and adapts corresponding heating control algorithm according to voltage within the voltage range of 3.5V-9.5V.

4. The SOC of claim 1, wherein the SOC has a print record function built therein, and the print record function can record and check the total length of the print to know the usage of the printer.

5. The SOC of claim 1, wherein the SOC controls a print head of a printer to implement a low current print mode, limiting the maximum current for printing strictly.