CN210090968U

CN210090968U - Fault information wireless transmission device based on single chip microcomputer

Info

Publication number: CN210090968U
Application number: CN201921247121.0U
Authority: CN
Inventors: 张佰涵; 周友幸; 胡超; 李新义; 龙仲智
Original assignee: Changsha Chaint Machinery Co Ltd
Current assignee: Chaint Corp
Priority date: 2019-08-04
Filing date: 2019-08-04
Publication date: 2020-02-18
Anticipated expiration: 2029-08-04

Abstract

The fault information wireless transmission device based on the single chip microcomputer comprises a 51 single chip microcomputer, an intermediate relay, an RS485 communication module, a Bluetooth module, a power supply module, mobile equipment and a programmable controller, wherein the programmable controller is connected with the RS485 communication module through a cable, and the communication module is connected with the 51 single chip microcomputer; the TXD and RXD pins of the single chip microcomputer are connected with the Bluetooth module, the output pin of the single chip microcomputer is connected with the intermediate relay, and the intermediate relay is connected with a digital quantity input point of the programmable controller or an input point of the digital quantity input module. The utility model discloses not only can accurate transmission fault information, can realize simple controlgear operation moreover, it is fast to have response time, job stabilization, advantages such as low price.

Description

Fault information wireless transmission device based on single chip microcomputer

Technical Field

The utility model belongs to the automatic control field, concretely relates to fault information wireless transmission device and transmission method of singlechip.

Background

At present, in the field of industrial control, system alarm and fault display are often combined by a PLC and a touch screen, specific alarm variables are defined in a PLC program, alarm conditions are set, specific alarm variables are also defined in a touch screen HMI, corresponding variable information is defined according to the variables, preset alarm information is displayed on the touch screen after the touch screen receives specific variable signals, and the key point is that the variables between the touch screen and the PLC correspond one to one. The wireless control of the mobile equipment has the problems of untimely data information transmission and the like, so the wireless control of the mobile equipment is not widely used.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a fault information wireless transmission device based on singlechip, the device can realize the wireless control and the wireless receipt fault information of simple equipment, have the precision height, and response speed is fast, advantages such as low price.

The purpose of the utility model is realized through such technical scheme:

the fault information wireless transmission device based on the single chip microcomputer comprises a 51 single chip microcomputer, an intermediate relay, an RS485 communication module, a Bluetooth module, a power supply module, mobile equipment and a programmable controller, wherein the programmable controller is connected with the RS485 communication module through a cable, and the communication module is connected with the 51 single chip microcomputer; the TXD and RXD pins of the single chip microcomputer are connected with the Bluetooth module, the output pin of the single chip microcomputer is connected with the intermediate relay, and the intermediate relay is connected with a digital quantity input point of the programmable controller or an input point of the digital quantity input module.

When the programmable controller has a corresponding fault signal, the serial port 485 sends the fault signal to the 51 single chip microcomputer, the single chip microcomputer processes the information, converts the information into a specific form and sends the specific form to the Bluetooth module, and the Bluetooth module sends specific data to mobile equipment such as a mobile phone and the like for display; the fault information wireless transmission device based on the single chip microcomputer also has the function of reversely sending commands, and the commands are transmitted to a digital quantity input point of the programmable controller through the single chip microcomputer and the intermediate relay and control equipment through a logic program. The method is characterized in that: the programmable controller sends the fault information to the single chip microcomputer, and the single chip microcomputer processes data, including a decoding process; then the singlechip sends the digital quantity information to the Bluetooth module, and the Bluetooth module sends the information to the mobile equipment; and the mobile equipment carries out decoding operation on the digital quantity information and displays the fault information. In addition, the mobile device sends the control command to the Bluetooth module, the Bluetooth module sends information to the single chip microcomputer, the single chip microcomputer processes data, digital quantity information is sent to the digital quantity input end of the programmable controller through the intermediate relay, and the logic program is used for controlling the device to operate.

The transmission method of the fault information wireless transmission device based on the single chip microcomputer comprises the following steps:

(1) the programmable controller sends the fault information to the single chip microcomputer, and the single chip microcomputer processes data and has a decoding function;

(2) the single chip microcomputer sends the digital quantity information to the Bluetooth module, and the Bluetooth module sends the information to the mobile equipment;

(3) the mobile equipment carries out decoding operation on the digital quantity information and displays fault information;

(4) the mobile equipment converts the control command into digital quantity information and sends the digital quantity information to the Bluetooth module;

(5) the Bluetooth module sends data to the single chip microcomputer for processing, controls the intermediate relay to be attracted, sends a digital input point signal to the programmable controller, and controls the equipment to run.

The beneficial effects of the utility model. The utility model discloses combine singlechip and programmable controller, utilize the method that software and hardware combines to realize mobile device and field device both-way communication control, because most all goes on through the software, so the real-time is better, the low price. The whole set of equipment does not need to observe fault information on site manually, the reaction sensitivity is about 1 second, and the whole process does not exceed 5 seconds.

Drawings

FIG. 1 is a schematic structural view of the present invention;

in the figure: the system comprises the following components of 1-mobile equipment, 2-Bluetooth module, 3-single chip microcomputer, 4-communication module, 5-intermediate relay, 6-programmable controller, 7-power module and 8-packaging system.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

As shown in figure 1, the fault information wireless transmission device based on the single chip microcomputer comprises a mobile device 1, a Bluetooth module 2, a single chip microcomputer 3, a communication module 4, an intermediate relay 5, a programmable logic controller 6, a power supply module 7 and an encapsulation system 8. The 2-Bluetooth module is respectively connected with the 3-singlechip and the 7-power module. The 3-singlechip is respectively connected with the 4-communication module and the 5-intermediate relay. The 5-intermediate relay is connected with the 6-programmable controller. Except 1-mobile equipment and 6-programmable controller, other devices can be packaged on a circuit board, so that the equipment volume is reduced and the control is convenient. The whole system can realize bidirectional signal transmission, the programmable controller can wirelessly transmit the fault information to the mobile equipment to be displayed, and meanwhile, the mobile equipment can also control the programmable controller to further control the operation of the equipment.

The 6-programmable controller is mainly used for collecting fault information, setting a fixed logic program and sending the fault information to a communication module through serial port communication; 4, the communication module sends the received information to the 3-singlechip, and the 3-singlechip decodes the data and sends the digital quantity signal to the 2-Bluetooth module; the 2-Bluetooth module sends the information to the 1-mobile equipment, and the mobile equipment performs decoding operation on the signal and displays specific fault information. In addition, the 6-programmable controller can also realize the reading process, when the 1-mobile device triggers a signal, a digital quantity signal is sent to the 2-Bluetooth module, the 2-Bluetooth module transmits the digital quantity signal to the 3-single chip microcomputer, the 3-single chip microcomputer analyzes the data, sends a signal to a specific intermediate relay, controls the signal on or off of the digital quantity input end of the 6-programmable controller, and finally controls the device to operate according to a program in the 6-programmable controller.

The transmission method of the fault information wireless transmission device of the singlechip comprises the following steps:

The utility model discloses can accurate wireless feedback equipment fault information, because the low price, the real-time nature is strong, can use in various occasions, compare through experimental repeatedly, this set of fault information wireless transmission device based on the singlechip can reach within 5s after rectifying measurement accuracy.

Claims

1. Fault information wireless transmission device based on singlechip, its characterized in that: the intelligent Bluetooth wireless remote control system comprises a 51 single chip microcomputer, an intermediate relay, an RS485 communication module, a Bluetooth module, a power supply module, mobile equipment and a programmable controller, wherein the programmable controller is connected with the RS485 communication module through a cable, and the communication module is connected with the 51 single chip microcomputer; the TXD and RXD pins of the single chip microcomputer are connected with the Bluetooth module, the output pin of the single chip microcomputer is connected with the intermediate relay, and the intermediate relay is connected with a digital quantity input point of the programmable controller or an input point of the digital quantity input module.