CN213010434U - Adhesive tape machine comprehensive protection instrument with CAN bus communication - Google Patents

Abstract

A tape machine comprehensive protector with CAN bus communication, belonging to the technical field of tape machine comprehensive protectors, overcoming the problems that a plurality of sensors along the tape conveyor CAN not be uploaded simultaneously and the failure processing efficiency is affected in the prior art, and is characterized in that a microcomputer control unit is bidirectionally connected with a CAN bus interface through a high-speed CAN transceiver, is bidirectionally connected with a ModBus interface through an RS485 transceiver, is bidirectionally connected with an Ethernet interface through an Ethernet controller, is bidirectionally connected with an information display screen through a microcomputer control RS232 transceiver and is bidirectionally connected with a flash memory, has the advantages that the failure information of a single or a plurality of external sensors CAN be uploaded to an upper computer simultaneously, one or a plurality of failures CAN be found in time, and is displayed through an information display touch screen, and the failure information is stored in the flash memory to form a history record, thereby being beneficial to the later-stage comprehensive analysis of the failure occurrence time period, so as to make early warning.

Description

Adhesive tape machine comprehensive protection instrument with CAN bus communication

Technical Field

The utility model belongs to the technical field of sealing-tape machine integrated protection appearance, in particular to passes through the CAN bus with the protection switch along the line of belt conveyor with fault position, trouble kind, fault state and trouble emergence time information display, output to send the sealing-tape machine integrated protection appearance of a take CAN bus communication of host computer to.

Background

The rubber belt conveyor has the characteristics of strong conveying capacity, simple structure and easy maintenance, can conveniently carry out programmed control and automatic operation, has long conveying line with the length of several kilometers, therefore, the number of the protection switches of the rubber belt conveyor is very large, for example, the pull rope switches and the deviation switches are arranged on the rubber belt conveyor along the line, the number along the line is different according to the length of the rubber belt, the number is mostly different from 3 to 200, the traditional mode is to connect the similar switches in series to the rubber belt control loop, however, when a fault occurs, the protection switch can not distinguish the fault position and process in time, a large amount of manpower and time are wasted, the intelligent comprehensive protection instrument has great influence on normal production, so that the intelligent comprehensive protection instrument is safe, reliable, convenient to maintain, strong in anti-interference capability, simple and convenient to maintain and capable of accurately displaying fault positions, fault types, fault states and fault occurrence time information. The utility model discloses an application number is 201922337937.9's utility model discloses a "rubber belt conveyor integrated protection device", this utility model includes sensor group, programmable logic controller, display screen, motor and host computer, sensor group is including deviation switch, speed switch, stay cord switch and sticky tape tear switch, deviation switch, speed switch, stay cord switch, sticky tape tear switch, display screen and host computer are connected with programmable logic controller respectively, carry out real time monitoring to rubber belt conveyor through the sensor, can in time discover fault location and discernment trouble kind, reach the host computer on the relevant signal, the staff just can know the fault situation to the scene. The programmable logic controller also transmits signals to a motor control loop and an upper computer of the rubber belt conveyor through a switching value/analog quantity output module, so that the motor can be controlled to stop immediately, further damage of equipment, serious accidents such as casualties and the like are avoided, and corresponding economic loss is reduced. However, this utility model discloses a can only carry out real time monitoring and upload to the trouble position and the trouble kind of belt conveyor sensor along the line, and can only single record fault information to control the operator in the notice and handle, avoid the further damage of equipment, do not have historical record, be unfavorable for the analysis-by-synthesis trouble time quantum, in order to make early warning in advance. In addition, because the utility model discloses an input module adopts analog input module and digital input module, can only upload the host computer to the fault signal that arbitrary sensor takes place on the rubber belt conveyor through the mode of communication, if there are a plurality of sensors to break down simultaneously on the rubber belt conveyor along the line, also can only upload the fault location and the trouble kind of a sensor, treat the trouble of this sensor and handle the back of eliminating through well accuse operator, just can carry out uploading of next sensor fault location and trouble kind, therefore, the utility model discloses when having a plurality of sensors to break down simultaneously along the line at the rubber belt conveyor, can not upload simultaneously, influence fault treatment efficiency, and communication distance is short, later maintenance is with high costs.

Disclosure of Invention

The utility model aims to solve the problem, overcome prior art's weak point, a take sealing-tape machine comprehensive protection appearance of CAN bus communication is provided, carry out real time monitoring to rubber belt conveyor protection switch, CAN in time discover the fault location, the trouble type, fault state and trouble emergence time, and with the trouble emergence location, the trouble type, fault state and trouble emergence time save in historical record, so that later stage inquiry, and when having a plurality of sensors to break down simultaneously along the line at rubber belt conveyor, CAN upload simultaneously, improve the sealing-tape machine comprehensive protection appearance of CAN bus communication of fault handling efficiency.

The utility model adopts the technical proposal that the device comprises a programmable control panel, the programmable control panel comprises a microcomputer control unit, a first relay, an output interface, a second relay, a second dual-channel digital isolator, a high-speed CAN transceiver, a CAN bus interface, an RS232 transceiver, a first dual-channel digital isolator, an RS485 transceiver, a ModBus interface, an Ethernet controller with an SPI interface, an Ethernet interface, a flash memory and an information display screen, wherein, the microcomputer control unit is respectively connected with the second dual-channel digital isolator, the RS232 transceiver, the first dual-channel digital isolator, the Ethernet controller with the SPI interface and the flash memory in two ways, the second dual-channel digital isolator is connected with the high-speed CAN transceiver in two ways, the high-speed CAN transceiver is connected with the CAN bus interface in two ways, the microcomputer control RS232 transceiver is connected with the information display screen in two ways, the first double-channel digital isolator is in bidirectional connection with an RS485 transceiver, the RS485 transceiver is in bidirectional connection with a ModBus interface, the Ethernet controller with the SPI interface is in bidirectional connection with an Ethernet interface, the microcomputer control unit is further connected with a first relay and a second relay respectively, and the first relay and the second relay are connected with an output interface respectively.

The programmable control board is connected with the upper computer in a bidirectional mode through a ModBus interface and an Ethernet interface respectively, the programmable control board is connected with the low-voltage electrical cabinet through an output interface, the low-voltage electrical cabinet is connected with the motor, and the programmable control board is connected with the external sensor through a CAN bus interface.

The external sensor comprises a speed switch, a pull rope switch, a deviation switch, a blockage detector and a tearing detector.

When the programmable controller is used, the programmable controller board is respectively in bidirectional connection with an upper computer through a ModBus interface and an Ethernet interface, the programmable controller board is connected with a low-voltage electrical cabinet through an output interface, the low-voltage electrical cabinet is connected with a motor, the programmable controller board is connected with an external sensor through a CAN bus interface, and the external sensor comprises a speed switch, a pull rope switch, a deviation switch, a blockage detector and a tearing detector.

Compared with the prior art, the beneficial effects of the utility model are that: because the utility model discloses a CAN bus interface, the communication is efficient, communication distance is long, and later maintenance is with low costs, 1 speed switch has been arranged along the line on rubber belt conveyor, every 30 ~ 50m sets up a pair of stay cord switch, every 50 ~ 200m sets up a pair of off tracking switch, 1 jam detector and a set of 2 ~ 5 tear the detector, in above-mentioned external sensor, when single or a plurality of external sensor alone or when breaking down simultaneously, the utility model discloses CAN be with singly or give the host computer on a plurality of external sensor fault information simultaneously, in time discover one or more trouble to show through information display screen display, with fault information storage in the quickflashing memory simultaneously, form historical record, be favorable to later stage comprehensive analysis trouble emergence time quantum, in order to make early warning in advance.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure:

1. a programmable control board is arranged on the base plate,

1-1. a microcomputer control unit, 1-2. a first relay,

1-3, an output interface, 1-4, a second relay,

1-5. a second dual-channel digital isolator, 1-6. a high-speed CAN transceiver,

1-7 CAN bus interface, 1-8 RS232 transceiver,

1-9, a first dual-channel digital isolator, 1-10, an RS485 transceiver,

1-11 ModBus interface, 1-12 Ethernet controller with SPI interface,

1-13, Ethernet interface, 1-14, flash memory, 1-15, information display screen,

2. is externally connected with a sensor,

2-1 speed switch, 2-2 pull-cord switch,

2-3, a deviation switch, 2-4, a blockage detector, 2-5, a tearing detector,

3. an upper computer, 4. an electric motor,

5. low-voltage electrical cabinet.

Detailed Description

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

As shown in figure 1, the utility model adopts a technical scheme that the programmable controller comprises a programmable controller board 1, the programmable controller board 1 comprises a microcomputer control unit 1-1, a first relay 1-2, an output interface 1-3, a second relay 1-4, a second dual-channel digital isolator 1-5, a high-speed CAN transceiver 1-6, a CAN bus interface 1-7, an RS232 transceiver 1-8, a first dual-channel digital isolator 1-9, an RS485 transceiver 1-10, a ModBus interface 1-11, an Ethernet controller with an SPI interface 1-12, an Ethernet interface 1-13, a flash memory 1-14 and an information display screen 1-15, wherein the microcomputer control unit 1-1 is respectively connected with the second dual-channel digital isolator 1-5, the RS232 transceiver 1-8, the Ethernet interface 1-13, The system comprises a first dual-channel digital isolator 1-9, an Ethernet controller 1-12 with an SPI interface and a flash memory 1-14 which are connected in a bidirectional way, a second dual-channel digital isolator 1-5 is connected with a high-speed CAN transceiver 1-6 in a bidirectional way, the high-speed CAN transceiver 1-6 is connected with a CAN bus interface 1-7 in a bidirectional way, a microcomputer-controlled RS232 transceiver 1-8 is connected with an information display screen 1-15 in a bidirectional way, the first dual-channel digital isolator 1-9 is connected with an RS485 transceiver 1-10 in a bidirectional way, the RS485 transceiver 1-10 is connected with a ModBus interface 1-11 in a bidirectional way, the Ethernet controller 1-12 with the SPI interface is connected with an Ethernet interface 1-13 in a bidirectional way, the microcomputer control unit 1-1 is connected with a first relay 1-2 and a second relay 1-4 respectively, the first relay 1-2 and the second relay 1-4 are respectively connected with the output interface 1-3.

When the programmable controller board is used, the programmable controller board 1 is in bidirectional connection with the upper computer 3 through ModBus interfaces 1-11 and Ethernet interfaces 1-13 respectively, the programmable controller board 1 is connected with the low-voltage electrical cabinet 5 through output interfaces 1-3, the low-voltage electrical cabinet 5 is connected with the motor 4, the programmable controller board 1 is connected with the external sensor 2 through a CAN bus interface 1-7, and the external sensor 2 comprises a speed switch 2-1, a pull rope switch 2-2, a deviation switch 2-3, a blockage detector 2-4 and a tearing detector 2-5.

The micro control unit 1-1 is an arm single chip microcomputer and has the characteristics of low power consumption, high operation speed and strong anti-interference capability, the first dual-channel digital isolator 1-9 and the second dual-channel digital isolator 1-5 are dual-channel digital isolators of an iCoupler magnetic coupling isolation technology of ADI (Analog device, inc), and the high-speed CAN transceiver 1-6 is a CAN bus chip of a Microchip, so that the high-stability and high-static protection are realized.

In actual use, one rubber belt conveyor is provided with 1 speed switch 2-1, a pair of pull rope switches 2-2 is arranged every 30-50 m, a pair of deviation switches 2-3 is arranged every 50-200 m, 1 blockage detector 2-4 and a group of 2-5 tearing detectors 2-5, when one or more external sensors in the speed switch 2-1, the pull rope switch 2-2, the deviation switches 2-3, the blockage detectors 2-4 and the tearing detectors 2-5 are singly or simultaneously in fault, the utility model can upload fault position, fault type, fault state and fault time information of a plurality of external sensors to an upper computer 3 through an Ethernet interface 1-13 or a ModBus interface 1-9, so as to find one or more faults in time, meanwhile, fault information is transmitted to an information display screen 1-15 through an RS232 transceiver 1-8 to be displayed, and data is stored in a flash memory 1-4 to form a history record for later calling; meanwhile, the micro control unit 1-1 controls the first relay 1-2 and the second relay 1-4, and controls a control loop of the motor in the low-voltage electrical cabinet 5 through the output interface 1-3 to stop the operation of the motor 4.

Claims (3)

1. A sealing-tape machine comprehensive protection instrument with CAN bus communication comprises a programmable control board (1), and is characterized in that the programmable control board (1) comprises a microcomputer control unit (1-1), a first relay (1-2), an output interface (1-3), a second relay (1-4), a second double-channel digital isolator (1-5), a high-speed CAN transceiver (1-6), a CAN bus interface (1-7), an RS232 transceiver (1-8), a first double-channel digital isolator (1-9), an RS485 transceiver (1-10), a ModBus interface (1-11), an Ethernet controller with SPI interface (1-12), an Ethernet interface (1-13), a flash memory (1-14) and an information display screen (1-15), wherein the microcomputer control unit (1-1) is respectively in bidirectional connection with a second dual-channel digital isolator (1-5), an RS232 transceiver (1-8), a first dual-channel digital isolator (1-9), an Ethernet controller (1-12) with an SPI interface and a flash memory (1-14), the second dual-channel digital isolator (1-5) is in bidirectional connection with a high-speed CAN transceiver (1-6), the high-speed CAN transceiver (1-6) is in bidirectional connection with a CAN bus interface (1-7), the microcomputer control RS232 transceiver (1-8) is in bidirectional connection with an information display screen (1-15), the first dual-channel digital isolator (1-9) is in bidirectional connection with an RS485 transceiver (1-10), the RS485 transceiver (1-10) is in bidirectional connection with a ModBus interface (1-11), the Ethernet controller (1-12) with the SPI interface is in bidirectional connection with the Ethernet interface (1-13), the microcomputer control unit (1-1) is further connected with a first relay (1-2) and a second relay (1-4) respectively, and the first relay (1-2) and the second relay (1-4) are connected with an output interface (1-3) respectively.

2. The adhesive tape machine comprehensive protector with CAN bus communication of claim 1, characterized in that the programmable control board (1) is bidirectionally connected with the upper computer (3) through ModBus interface (1-11) and Ethernet interface (1-13) respectively, the programmable control board (1) is connected with the low-voltage electrical cabinet (5) through the output interface (1-3), the low-voltage electrical cabinet (5) is connected with the motor (4), the programmable control board (1) is connected with the external sensor (2) through the CAN bus interface (1-7).

3. The comprehensive protection instrument of the belt conveyor with the CAN bus communication function as claimed in claim 2, wherein the external sensor (2) comprises a speed switch (2-1), a pull switch (2-2), a deviation switch (2-3), a blockage detector (2-4) and a tearing detector (2-5).

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