CN203276007U - Intelligent data acquisition monitoring device based on CAN bus - Google Patents

Abstract

The utility model discloses an intelligent data acquisition and monitoring device based on CAN bus, which is characterized in that: it includes a shell and an internal control part; an MCU unit is connected with a dot matrix liquid crystal module, and the MCU unit is also connected with a calendar clock module and a keyboard module. The pulse signal input module is connected with the MCU unit, and the MCU unit is also connected with the CAN communication module; the collected data is transmitted to the management machine through the CAN communication module, and the MCU unit is also connected with the power supply module, the switch signal input module, the switch The signal output module is connected, and the MCU unit is also connected with the RS232 communication interface. The utility model realizes the real-time collection function of data such as the output, production time, and line speed of the cable production machine, and at the same time, the on-site operators can interact with the LCD (dot matrix) through the function keys. The data collected in real time is transmitted to the management machine in real time through the field bus as the basic data for production process management, so as to monitor the execution of the production plan and control the production cost.

Description

Intelligent Data Acquisition and Monitoring Device Based on CAN Bus

technical field

The utility model relates to the field of online production monitoring in the cable industry, in particular to an intelligent data collection and monitoring device based on CAN bus.

Background technique

With the development of electronic technology, a new technological revolution has taken place in the field of modern industrial control - embedded micro-control technology. An embedded system is a computer system that integrates software and hardware and can work independently; it controls the host object so that it has an "intelligent" controller; it can also be regarded as a "programmable" electronic "device ". Compared with general-purpose computer systems, embedded systems have unique advantages: strong specificity, good real-time performance, good tailorability, high reliability, and low power consumption. For the industrial production process, the production workshop usually arranges and organizes the actual production and processing according to the production operation plan. Maintenance, absenteeism of processing personnel and product quality problems, etc., will affect the normal operation of workshop production to a certain extent, making the actual production and processing process out of touch with the production plan, and the finished or semi-finished products cannot be processed on time within the time specified in the production plan, thereby reducing The production efficiency, management level and product quality of the workshop lead to a decline in economic benefits. One of the main reasons for these problems is that managers cannot obtain relevant information accurately and timely at the first time, and cannot manage the production process well.

Utility model content

The purpose of this utility model is to provide a kind of intelligent data acquisition monitoring device based on CAN bus here. Realize the real-time collection function of the output, production time, line speed and other data of the machine, and at the same time, the on-site operators can interact with the function keys and LCD (dot matrix). The data collected in real time is transmitted to the management machine in real time through the field bus as the basic data for production process management, so as to monitor the execution of the production plan and control the production cost.

The utility model is achieved by constructing a CAN bus-based intelligent data acquisition and monitoring device, which is characterized in that: it includes a shell and an internal control part;

The control part includes an MCU unit, a dot matrix liquid crystal, an RS232 communication interface, a calendar clock module, a keyboard, a switch signal input module, a switch signal output module, a pulse signal input module, a CAN communication module and a power supply module;

The MCU unit is connected with the dot matrix liquid crystal module, the MCU unit is also connected with the calendar clock module and the keyboard, and the pulse signal input module is connected with the MCU unit,

The MCU unit is also connected with the CAN communication module, and the collected data is transmitted to the management machine through the CAN communication module. The MCU unit is also connected with the power supply module, the switch signal input module, and the switch signal output module. The MCU unit is also connected with the RS232 communication interface connect.

According to the intelligent data acquisition and monitoring device based on CAN bus described in the present invention, it is characterized in that: the external size of the shell is 195×120×80 mm;

Buttons are arranged on the casing, and the buttons are located at the bottom or side of the display area, and LED indicators are arranged above the display screen.

The utility model has the advantages that: according to the characteristics of the system, the on-site data collector adopts an embedded system design to realize the real-time collection function of the output, production time, line speed and other data of the machine. Interact with LCD (dot matrix). The data collected in real time by the field data collector is transmitted to the management machine in real time through the CAN-bus bus as the basic data for production process management, so as to monitor the execution of the production plan and control the production cost.

Description of drawings

Fig. 1 is the external schematic diagram of the utility model

Fig. 2 is a functional block diagram of the utility model

Fig. 3 is the CAN node connection schematic diagram corresponding to the utility model

Among them: 101, shell, 102, MCU unit, 103, dot matrix liquid crystal, 104, RS232 communication interface, 105, calendar clock module, 106, keyboard, 107, switch signal input module, 108, switch signal output module, 109, pulse Signal input module, 110, CAN communication module, 111, power module, 101a, button, 101b, display area, 101c, LED indicator light.

Detailed ways

The utility model will be described in detail below in conjunction with accompanying drawings 1-3, and the technical solutions in the embodiments of the utility model are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. the embodiment. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

As shown in Figure 1-2, a CAN bus-based intelligent data acquisition and monitoring device is provided, including a housing 101 and an internal control part; the control part includes an MCU unit 102, a dot matrix liquid crystal 103, an RS232 communication interface 104, Calendar clock module 105, keyboard 106, switch signal input module 107, switch signal output module 108, pulse signal input module 109, CAN communication module 110 and power supply module 111; Described MCU unit 102 is connected with dot matrix liquid crystal module 103, MCU unit 102 is also connected with calendar clock module 105, keyboard 106, and described pulse signal input module 109 is connected with MCU unit 102, and described MCU unit 102 is also connected with CAN communication module 110 and the data collected by CAN communication module 110 is sent to management machine , the MCU unit 102 is also connected to the power module 111 , the switch signal input module 107 , and the switch signal output module 108 , and the MCU unit 102 is also connected to the RS232 communication interface 104 .

The intelligent data collection and monitoring device described in the utility model has the following functions: production process data monitoring: it can collect and transmit line speed, output and running status to the management machine in real time. Production progress indication: It can display the production progress according to the production task and real-time production output. Machine shutdown alarm: When the machine is shut down, there is a warning light display function, and the historical cumulative data display of the machine failure can be viewed through the computer: it has independent display of the cumulative running time, cumulative output and cumulative downtime of the machine. Parameter configuration: Can configure CAN-ID (jumper mode), baud rate (jumper mode), radius/circumference required for measuring length (keyboard mode) and pulse equivalent (keyboard mode). Clock adjustment: the clock can be adjusted, and it can also be synchronized with the clock of the management machine.

With 1-channel electrical isolation CAN interface and 1-channel RS232 interface; with 2-channel electrical isolation pulse input, 2-channel electrical isolation switch input and 2-channel electrical isolation switch output; adopt dot matrix LCD display, shortcut key operation, Simple and convenient to use; powerful production data monitoring function, which can monitor machine line speed, real-time output and production progress in real time; support production task assignment, and automatically generate completion time according to production tasks; conform to CAN2.0B specification and ISO/DIS 11898 specification ;All channels are equipped with electrical isolation protection, CAN channel isolation voltage is 2500VDC; there are indicators for power supply, device status, bus activity and input signal; working voltage: 9V ~ 36V DC; instrument shell, easy to install;

Temperature range: 0℃～50℃.

The intelligent data collector provides 1 CAN channel for connecting to a CAN network. When the TM-20 intelligent data collector device is connected to the CAN bus, CAN_L is connected to CAN_L, and CAN_H is connected to CAN_H. According to the ISO 11898 specification, in order to reduce the signal reflection on the CAN bus and enhance the reliability of communication, the two endpoints of the bus usually need to add terminal matching resistors. The size of the terminal matching resistance is determined by the characteristic impedance of the transmission cable. For example, the characteristic impedance of a twisted pair is 120Ω, so the two terminals on the bus should also be connected to a 120Ω terminal resistor. The access of the 120Ω terminal resistance is realized through the jumper in the TM-20 intelligent data collector. The way of connecting the intelligent data collector to the CAN bus is as 3.

The outer size of the housing 101 can be 195×120×80 mm, and the housing 101 is provided with a button 101a, the button 101a is located at the bottom or side of the display area 101b, and an LED indicator light 101c is arranged above the display screen 101b.

LED Indicators: The smart monitoring device has 6 LED indicators, 2 of which are red and 4 are green. After power on, when the input power is normal, the power indicator is on; when the TM-20 intelligent data collector is working normally, the work indicator is on; when sending data to the management machine, the communication indicator is flashing ;When there is an unfinished task, the task indicator light is on; when the machine is shut down, the stop indicator light is on; when there is a meter pulse input, the pulse indicator light is on.

The above description of the disclosed embodiments enables those skilled in the art to realize or use the utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein. the

Claims (2)

1. the intelligent data acquisition supervising device based on the CAN bus, is characterized in that: comprise shell (101) and inner control section;

Described control section comprises MCU unit (102), lattice lcd (103), RS232 communication interface (104), calendar clock module (105), keyboard (106), switching signal load module (107), switching signal output module (108), pulse signal load module (109), CAN communication module (110) and power module (111);

Described MCU unit (102) is connected with lattice lcd module (103), and MCU unit (102) also is connected with calendar clock module (105), keyboard (106), and described pulse signal load module (109) is connected with MCU unit (102),

Described MCU unit (102) also is connected with CAN communication module (110) by CAN communication module (110) data that gather is sent to supervisor, described MCU unit (102) also is connected with power module (111), switching signal load module (107), switching signal output module (108), and MCU unit (102) also is connected with RS232 communication interface (104).

2. the intelligent data acquisition supervising device based on the CAN bus according to claim 1 is characterized in that: the outside size of shell (101) 195 * 120 * 80 mm,

Be provided with button (101a) on shell (101), button (101a) is positioned at the following or side of viewing area (101b), is provided with LED light (101c) above display screen (101b).

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