CN220700710U

CN220700710U - Multi-path control system for ink box

Info

Publication number: CN220700710U
Application number: CN202322187082.2U
Authority: CN
Inventors: 陈朝晖
Original assignee: Guangzhou Senyang Electronic Technology Co ltd
Current assignee: Guangzhou Senyang Electronic Technology Co ltd
Priority date: 2023-08-15
Filing date: 2023-08-15
Publication date: 2024-04-02
Anticipated expiration: 2033-08-15

Abstract

The utility model relates to the technical field of printer equipment and discloses an ink box multipath control system which comprises an FPGA main control module, wherein the communication end of the FPGA main control module is connected with a communication module, and the output end of the FPGA main control module is connected with a multipath motor driving module; the FPGA main control module is connected with a CPU control module for data configuration, the CPU control module comprises a CPU control chip and a reset chip connected with the CPU control chip, and the model of the reset chip is SP708SEN; according to the utility model, the constant ink flow speed is realized by accurately controlling the rotating speed of the stepping motor, so that the printing quality is improved.

Description

Multi-path control system for ink box

Technical Field

The utility model relates to the technical field of printer equipment, in particular to an ink box multipath control system.

Background

The ink-jet printer is a printer which outputs images by adopting the ink-dot controllable technology, and since the advent of the ink-jet printer, the ink-jet printer has unique advantages and is widely applied at home and abroad. The ink jet printer controls the negative pressure in the ink box, so that the ink is ejected from the nozzle under the action of the negative pressure, and the ink jet printing is realized. Therefore, the stable operation of the inkjet printer is very closely related to its negative pressure control system, and if an abnormality occurs in the negative pressure control system, an abnormality may occur in the operation of the inkjet printer.

At present, in a negative pressure control system of an inkjet printer, ink output of an ink box cannot be accurately controlled, so that the flow rate of the ink is not constant, and the printing quality is low.

Disclosure of Invention

The utility model aims to provide an ink box multipath control system which realizes constant ink flow rate by precisely controlling the rotating speed of a stepping motor so as to improve printing quality.

The utility model is realized in the following way:

the ink box multipath control system comprises an FPGA main control module, wherein the communication end of the FPGA main control module is connected with a communication module, and the output end of the FPGA main control module is connected with a multipath motor driving module.

Further, the FPGA main control module is connected with a CPU control module for data configuration, the CPU control module comprises a CPU control chip and a reset chip connected with the CPU control chip, and the model of the reset chip is SP708SEN.

Further, a data buffer module is connected between the FPGA main control module and the multipath motor driving module.

Compared with the prior art, the utility model has the beneficial effects that:

in practical application, the FPGA main control module comprises an FPGA main control chip, the model of the FPGA main control chip is preferably LFE5U-25F-6BG256C, the communication chip of the communication module is preferably 485 communication chip, the multi-path motor driving module comprises a plurality of motor driving chips, the model of the motor driving chip is preferably TB6560AHQ, the FPGA main control module realizes information interaction with an upper computer through the communication module, the FPGA main control module controls the multi-path motor driving module to control the number of turns of the stepping motor so as to confirm the number of turns of ink pressing, and the number of turns of the stepping motor is determined by the FPGA main control module through the multi-path motor driving module to control the CLK number of the stepping motor.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic block diagram of the system of the present utility model;

fig. 2 is a schematic circuit structure diagram of the FPGA master control module of the present utility model;

FIG. 3 is a schematic circuit diagram of a multi-path motor driving module according to the present utility model;

fig. 4 is a schematic circuit diagram of a communication module according to the present utility model;

FIG. 5 is a schematic circuit diagram of a CPU control module of the present utility model;

fig. 6 is a schematic circuit diagram of a data buffer module according to the present utility model.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

Referring to fig. 1 to 6, the ink cartridge multi-path control system comprises an FPGA main control module, wherein a communication end of the FPGA main control module is connected with a communication module, and an output end of the FPGA main control module is connected with a multi-path motor driving module.

Referring to fig. 1 to 6, the FPGA main control module is connected with a CPU control module for data configuration, where the CPU control module includes a CPU control chip and a reset chip connected to the CPU control chip, and the model of the reset chip is SP708SEN. In this embodiment, the CPU control chip is configured for system data, the type of the CPU control chip is preferably that an independent watchdog timer is integrated in the reset chip, and a watchdog program is set through the reset chip, so that when the communication module is disconnected from the FPGA main control module, the CPU control chip cannot be fed with the watchdog, and when the internal counter of the CPU control chip is cleared, the FPGA main control module controls the stepper motor to stop running through the multi-path motor driving module, so as to ensure that ink supply cannot overflow under abnormal conditions.

Referring to fig. 1 to 6, a data buffer module is connected between the FPGA main control module and the multi-path motor driving module. In this embodiment, the plurality of data buffer chips in the data buffer module are respectively connected with the motor drive chips in the multi-path motor drive module correspondingly, and the data buffer module is used for signal isolation between the FPGA main control module and the multi-path motor drive module, so as to protect the system, and the model of the data buffer chip is preferably 74HC244.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The multichannel control system of ink horn, its characterized in that: the intelligent control system comprises an FPGA main control module, wherein the communication end of the FPGA main control module is connected with a communication module, and the output end of the FPGA main control module is connected with a multipath motor driving module;

the FPGA main control module is connected with a CPU control module for data configuration, the CPU control module comprises a CPU control chip and a reset chip connected with the CPU control chip, and the model of the reset chip is SP708SEN.

2. The ink cartridge multiplexing control system of claim 1, wherein a data buffer module is connected between the FPGA master control module and the multiplexing motor drive module.