CN206085630U - Extruder controller and extruder control system - Google Patents
Extruder controller and extruder control system Download PDFInfo
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- CN206085630U CN206085630U CN201620987592.5U CN201620987592U CN206085630U CN 206085630 U CN206085630 U CN 206085630U CN 201620987592 U CN201620987592 U CN 201620987592U CN 206085630 U CN206085630 U CN 206085630U
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Abstract
The utility model discloses an extruder controller, extruder control system. This extruder controller includes keypad, integrated main control board, touch -sensitive screen, display screen, integrated main control board links to each other with keypad, touch -sensitive screen, display screen, integrated main control board includes power supply circuit, keypad interface circuit, digital quantity input interface circuit, digital output interface circuit, CPU circuit, temperature data collection circuit, cold junction compensation temperature data collection circuit and integrated ethernet switch circuit, power supply circuit provides operating voltage, CPU links to each other with keypad interface circuit, digital quantity input interface circuit, digital output interface circuit, temperature data collection circuit, cold junction compensation temperature data collection circuit and the communication of integrated ethernet switch circuit respectively, integrated main control board passes through keypad interface circuit and links to each other with the keypad. Adopt the utility model discloses extruder control system can carry out high -speed temperature data collection, just can provide accurate cold junction temperature compensating.
Description
Technical field
This utility model belongs to electronic technology field, and in particular to a kind of extruder controller and control system and controlling party
Method.
Background technology
Extruder is a kind of basic production equipment of plastic industry, and electrical control is its control axis, electric-controlled controlling the water circulation
Flat height and control mode superiority directly affect product quality and production capacity.Conventional extruder electrical control by PLC+
HMI+ temp controlled meters constitute system, and installation, layout, wiring workload are big, and configuration and debugging is complicated using tool software dispersion;I takes charge of
Also integrated class extruder controller product issues, but using the control method of this integrated class extruder controller product design
Need to coordinate discrete switch device, system dispersion, and high cost.Conventional extruder electrical control is being entered using discrete temp controlled meter
Trip temperature is gathered, if import high-quality temp controlled meter can accomplish single channel picking rate less than 300 milliseconds, but high cost, is
System is complicated.And existing extruder controller temperature-compensating is using compensation way on piece, the controlled device self-temperature of compensation temperature becomes
Changing affects big, it is impossible to provide accurate cold junction compensation temperature as reference.
The content of the invention
The purpose of this utility model is to solve defect of the prior art, there is provided one kind can carry out high-speed temperature and adopt
Collection, and the extruder controller of accurate cold-junction compensation can be provided.
In order to achieve the above object, this utility model provides a kind of extruder controller, including keypad and integrated master
Control plate;Integrated master control borad is connected with keypad;
Wherein, integrated master control borad includes:Power circuit, keypad interface circuit, digital-quantity input interface circuit, digital quantity
Output interface circuit, cpu circuit, temperature collection circuit, cold junction compensation temperature collection circuit and integrated ethernet switch circuitry;
Power circuit is electric with the keypad interface circuit, digital-quantity input interface circuit, digital-quantity output interface circuit, CPU respectively
Road, temperature collection circuit, cold junction compensation temperature collection circuit are connected with integrated ethernet switch circuitry;CPU respectively with button
Plate interface circuit, digital-quantity input interface circuit, digital-quantity output interface circuit, temperature collection circuit, cold junction compensation temperature are adopted
Collector and integrated ethernet switch circuitry are connected by communication;Integrated master control borad passes through keypad interface circuit and the keypad
It is connected.
Temperature collection circuit is made up of 8 groups of isolated temperature acquisition channels;Every group of isolated temperature acquisition channel includes 2 simultaneously
The temperature acquisition mouth of row and 2 light coupling relays, processes temperature signal circuit, A/D convertor circuit, isolation circuits;Per group of isolation temperature
Two temperature acquisition mouths of degree acquisition channel are connected with processes temperature signal circuit by corresponding light coupling relay respectively, temperature
Signal processing circuit is connected with one end of isolation circuit by A/D convertor circuit;The other end of isolation circuit by serial communication with
Cpu circuit connects;Pass through an I/O port expanded circuit and cpu circuit per the light coupling relay in 4 groups of isolated temperature acquisition channels
I/O expansion serial ports connection.
Integrated ethernet switch circuitry includes that PHY chip, single channel network isolation transformer, four-way Network Isolation become
Depressor, four-way TVS protection chips, 4 RJ45 adapters;PHY chip is provided with a MII interface and 5 PHY interfaces, MII
Interface is connected with cpu circuit communication, and a PHY mouth is connected with the communication of HMI circuits by single channel Network Isolation voltage device, in addition
Jing four-ways network isolation transformer, four-way TVS protection chips connect corresponding RJ45 adapters to 4 PHY mouths successively.
Integrated master control borad also includes GPRS circuits;GPRS circuits are connected with power circuit and cpu circuit respectively;Integrated master control
Plate is connected by communication with external equipment or cloud platform by GPRS circuits.
Extruder controller also includes touch screen and display screen;Touch screen and display screen are connected with integrated master control borad respectively;
Integrated master control borad also includes HMI circuits;HMI circuits are connected with cpu circuit;Integrated master control borad passes through HMI circuits and touch screen, shows
Display screen is connected.
CPU is using the Freescale MK60 process chips comprising PLC kernels;GPRS circuits adopt Freescale MK10 process
Chip;HMI circuits include that the Cortex-A8 process chips of TI, HMI drive display circuit, HMI interface circuit, at Cortex-A8
Reason chip drives display circuit to be connected with HMI interface circuit by HMI, HMI interface circuit pass through FPC connector and display screen,
Touch screen connects;Keypad interface circuit adopts 10 core FPC connector, digital-quantity input interface circuit to connect using 25 core D-SUB
Device is connect, digital-quantity output interface circuit adopts 44 core D-SUB adapters.
This utility model additionally provides a kind of extruder control system using above-mentioned extruder controller, the extruder control
System processed is used to control extrusion machine equipment;This utility model extruder control system also include digital quantity input/output terminal daughter board,
PT100 platinum resistance thermometer sensor,s, main frame converter, feeding converter;PT100 platinum resistance thermometer sensor,s are connected at outside extruder controller, with
The cold junction compensation temperature collection circuit connection of integrated master control borad in extruder controller;Extruder controller passes through integrated Ethernet
Exchanger circuit is connected with main frame converter and feeding converter;Main frame converter and feeding converter respectively with extrusion machine equipment
Driving motor be connected with feeding motor;Extruder controller is by temperature collection circuit and the thermocouple for extruding machine equipment
Sensor is connected, and is connected with PT100 platinum resistance thermometer sensor,s by cold junction temperature Acquisition Circuit, by digital-quantity input interface circuit sum
Word amount output interface circuit is connected with digital quantity input/output terminal daughter board;Digital quantity input/output terminal daughter board is set with extruder respectively
Standby switching value actuator is connected with Boolean value output sensor.
The running voltage of digital quantity input/output terminal daughter board be outer confession direct current 24V, including 16 railway digital amount input interfaces electricity
Road, 28 road transistor digital quantity output circuits and 12 road relay digital value output circuits;16 railway digital amount input interface circuits
It is connected with the digital-quantity input interface circuit of extruder controller by 25 core D-SUB adapters;28 road transistor digital quantities are defeated
Go out circuit and 12 road relay digital value output circuits by 44 core D-SUB adapters and the digital output of extruder controller
Interface circuit connects;Connected by pre-fabricated electric cables between digital quantity input/output terminal daughter board and extruder controller.
This utility model has advantages below compared to existing technology:Extruder controller adopts integrated master control borad, can be effective
Temperature acquisition speed is improved, while 8 groups of isolated temperature acquisition channels are adopted to temperature acquisition, further increases temperature acquisition speed
Degree.This utility model to cold-junction compensation using peripheral hardware PT100 platinum resistance thermometer sensor,s, it is to avoid on traditional piece, compensation way brings
Impact, it is more accurate to cold-junction compensation.In the integrated master control borad of this utility model, CPU adopts PLC kernels, and by Ethernet
Exchanger circuit and temperature collection circuit are integrated, substantially reduce system cost and reduce system wiring;Utilize GPRS simultaneously
Wireless data transmission is based on cloud platform function, improves the level of modernization of system, facilitate data network to monitor by circuit.This
Utility model extruder control system integration degree is high, and system resource configuration cost performance is high, and system design hommization, pluggable terminals connect
Line, is easily installed using regenerating with system update, while man-machine interaction circle of close friend can be realized by display screen and touch screen
Face, provides the user easily operating platform.
Description of the drawings
Structured flowcharts of the Fig. 1 for this utility model extruder controller;
Fig. 2 is the circuit diagram of integrated master control borad in Fig. 1;
Fig. 3 is the circuit arrangement figure of integrated ethernet switch circuitry in Fig. 1;
Fig. 4 is the circuit arrangement figure of temperature collection circuit in Fig. 1;
Structured flowcharts of the Fig. 5 for this utility model extruder control system.
Specific embodiment
Below in conjunction with the accompanying drawings this utility model is described in detail.
As shown in figure 1, this utility model extruder controller includes keypad, touch screen, display screen and integrated master control borad,
Core of the integrated master control borad for extruder controller, is connected with keypad, touch screen, display screen communication.
With reference to Fig. 2, core of the integrated master control borad for extruder controller, including power circuit, button plate interface electricity
Road, digital-quantity input interface circuit, digital-quantity output interface circuit, cpu circuit, GPRS circuits, HMI circuits, temperature acquisition electricity
Road, cold junction compensation temperature collection circuit and integrated ethernet switch circuitry.
Power circuit gathers external dc 24V voltage signals, into keypad interface circuit, digital-quantity input interface after changing
Circuit, digital-quantity output interface circuit, cpu circuit, GPRS circuits, HMI circuits, temperature collection circuit, cold junction compensation temperature are adopted
Collector and integrated ethernet switch circuitry provide running voltage.
Keypad interface circuit includes 10 core FPC connector, and is connected with keypad by the adapter.
Digital-quantity input interface circuit includes 25 core D-SUB adapters, and by the adapter and digital quantity input and output
Terminal board connects(With reference to shown in Fig. 5).
Digital-quantity output interface circuit includes 44 core D-SUB adapters, and by the adapter and digital quantity input and output
Terminal board connects(With reference to shown in Fig. 5).
Cpu circuit includes Freescale MK60 process chips, and Freescale MK60 process chips include PLC kernels;CPU is electric
Road is connected with digital-quantity input interface circuit, the communication of digital-quantity output interface circuit, collection digital quantity input signal, control numeral
Amount output;Cpu circuit is connected with temperature collection circuit, cold junction compensation temperature collection circuit serial communication, and collection is converted into numeral
Temperature signal and cold junction compensation temperature signal after amount;Pass through MII interfaces between cpu circuit and integrated ethernet switch circuitry
Communication connection, controls integrated Ethernet switch work;Between cpu circuit and GPRS circuits, HMI circuits, serial communication connection is real
Existing data exchange.
GPRS circuits include Freescale MK10 process chips, are responsible for remote data transmission, complete the base between cpu circuit
In the data exchange of serial communication.By GPRS circuits with external equipment or cloud platform wireless telecommunications, realize it is easily long-range
Monitoring and control are authorized.
Standard Modbus agreement is followed based on the data exchange of serial communication between cpu circuit and GPRS circuits.
HMI circuits include that the Cortex-A8 process chips of TI, HMI drive display circuit, HMI interface circuit, wherein:
Cortex-A8 process chips drive display circuit to connect with HMI interface circuit by HMI, and HMI interface circuit passes through FPC connector
It is connected with display screen, touch screen.
With reference to shown in Fig. 3, integrated ethernet switch circuitry includes PHY chip, single channel network isolation transformer, four-way
Road network isolation transformer, four-way TVS protection chips, 4 RJ45 adapters.A MII interface is included wherein in PHY chip
With 5 PHY interfaces, the acp chip MK60 process chips communication of MII interfaces and cpu circuit be connected, and a PHY mouth is by single-pass
Road Network Isolation voltage device is connected with the Cortex-A8 process chips communication of HMI circuits, 4 PHY mouth Jing four-way Network Isolations
Transformator, four-way TVS protection chips connect 4 RJ45 adapters, externally provide four Ethernet interfaces.Can be appointed by connection
One Ethernet interface of meaning realizes that the connection of PLC configurations and HMI configurations connect.
With reference to Fig. 4, temperature collection circuit is made up of 8 groups of channel isolation circuits, and every group of channel isolation includes being sequentially connected
2 temperature acquisition mouths arranged side by side and 2 light coupling relays, processes temperature signal circuit, A/D convertor circuit, isolation circuits, every
The other end from circuit is connected with cpu circuit by serial communication;Meanwhile, pass through per the light coupling relay on 4 groups of channel isolations
One I/O port expanded circuit is connected with the I/O expansion serial ports of MK60 process chips in cpu circuit.
Cold junction compensation temperature collection circuit includes A/D chip, and input accesses cold junction temperature analogue signal, and outfan passes through
Serial communication is connected with cpu circuit.
As shown in figure 5, this utility model extruder control system includes extruder controller, digital quantity input and output terminal
Plate, main frame converter, feeding converter, PT100 platinum resistance thermometer sensor,s and extrusion machine equipment;Wherein extruding machine equipment includes that main frame is electronic
Machine, feeding motor, thermocouple sensor, Boolean value output sensor, switching value actuator;Wherein extruder controller is led to respectively
Cross main frame converter, feeding converter to be connected with main frame motor, feeding Motor Control, by digital quantity input and output terminal
Plate communication connecting valve quantity sensor, control connecting valve amount actuator, while extruder controller is also connected with thermocouple biography
Sensor and PT100 platinum resistance thermometer sensor,s.
The running voltage of digital quantity input/output terminal daughter board be outer confession direct current 24V, including 16 railway digital amount input interfaces electricity
Road, 28 road transistor digital quantity output circuits and 12 road relay digital value output circuits;16 railway digital amount input interface circuits
It is connected with the digital-quantity input interface circuit of extruder controller by 25 core D-SUB adapters;28 road transistor digital quantities are defeated
Go out circuit and 12 road relay digital value output circuits by 44 core D-SUB adapters and the digital output of extruder controller
Interface circuit connects;Connected by pre-fabricated electric cables between digital quantity input/output terminal daughter board and extruder controller.
This utility model to extrude machine equipment control method be:First, digital quantity input/output terminal daughter board and extruder set
Standby Boolean value output sensor connection, On-off signal signal on collecting device, switching value actuator action on control device;
2nd, digital quantity input/output terminal daughter board and extruder controller transmit digital quantity input signal by pre-fabricated electric cables and digital quantity is defeated
Go out signal, extrude the PLC kernels that on-off model on machine equipment is ultimately transferred to extruder controller, extruder controller
PLC kernels perform the nerve centre of structure action as switching value on extrusion machine equipment;3rd, extrude different warm areas on machine equipment to lead to
Cross thermocouple and temperature signal is passed to into extruder controller directly, extruder controller is passed after temperature collection circuit process
Pass the PLC kernels of cpu circuit;4th, cold junction compensation temperature collection circuit is current by the collection of two-wire system PT100 platinum resistance all the way
Cold junction temperature, passes to the PLC kernels of cpu circuit, as temperature compensated reference value;5th, the Ethernet interface of extruder controller
Connecting extruder feeding converter and main frame converter, control extruder feeding electric motor operation and main frame motor work respectively
Make;Six:By extruder controller, any one Ethernet interface connects PLC host computer programming softwares, with arithmetical operation, logic
Digital quantity input signal that computing, DPID algorithm process are collected, temperature signal, cold junction compensation temperature signal, it is defeated according to algorithm
Go out, provide extrusion machine control signal;7th, programmed by extruder controller any one Ethernet interface connection HMI host computers soft
Part, by interface configuration, designs friendly human-computer interaction interface, provides the user visualized operation interface;8th, extruder control
The GPRS circuits operation connection cloud platform of device, carries out long distance wireless data transfer, realizes that easily remotely monitor and control are authorized.
Claims (8)
1. a kind of extruder controller, it is characterised in that:The extruder controller includes keypad and integrated master control borad;It is described
Integrated master control borad is connected with keypad;
The integrated master control borad includes:Power circuit, keypad interface circuit, digital-quantity input interface circuit, digital output
Interface circuit, cpu circuit, temperature collection circuit, cold junction compensation temperature collection circuit and integrated ethernet switch circuitry;It is described
Power circuit is electric with the keypad interface circuit, digital-quantity input interface circuit, digital-quantity output interface circuit, CPU respectively
Road, temperature collection circuit, cold junction compensation temperature collection circuit are connected with integrated ethernet switch circuitry;The CPU respectively with
Keypad interface circuit, digital-quantity input interface circuit, digital-quantity output interface circuit, temperature collection circuit, cold junction compensation temperature
Degree Acquisition Circuit and integrated ethernet switch circuitry are connected by communication;The integrated master control borad passes through keypad interface circuit and institute
State keypad to be connected.
2. extruder controller according to claim 1, it is characterised in that:The temperature collection circuit is by 8 groups of isolation temperature
Degree acquisition channel composition;Every group of isolated temperature acquisition channel include 2 temperature acquisition mouths arranged side by side and 2 light coupling relays,
Processes temperature signal circuit, A/D convertor circuit, isolation circuit;Two temperature acquisition mouth difference of every group of isolated temperature acquisition channel
Be connected with processes temperature signal circuit by corresponding light coupling relay, processes temperature signal circuit by A/D convertor circuit with every
It is connected from one end of circuit;The other end of the isolation circuit is connected with the cpu circuit by serial communication;Per 4 groups of isolation
Light coupling relay in temperature acquisition passage is connected with the I/O expansion serial ports of the cpu circuit by an I/O port expanded circuit.
3. extruder controller according to claim 1, it is characterised in that:The extruder controller also includes touch screen
And display screen;The touch screen and display screen are connected with integrated master control borad respectively;The integrated master control borad also includes HMI circuits;
The HMI circuits are connected with cpu circuit;The integrated master control borad is connected with touch screen, display screen by HMI circuits.
4. extruder controller according to claim 3, it is characterised in that:The integrated ethernet switch circuitry includes
PHY chip, single channel network isolation transformer, four-way network isolation transformer, four-way TVS protection chips, 4 RJ45 connect
Connect device;The PHY chip is provided with a MII interface and 5 PHY interfaces, and MII interfaces are connected with cpu circuit communication, and one
Individual PHY mouths are connected by the communication of single channel Network Isolation voltage device and the HMI circuits, in addition 4 PHY mouths Jing four-ways successively
Network isolation transformer, four-way TVS protection chips connect corresponding RJ45 adapters.
5. extruder controller according to claim 4, it is characterised in that:The integrated master control borad is also electric including GPRS
Road;The GPRS circuits are connected with power circuit and cpu circuit respectively;The integrated master control borad by the GPRS circuits with it is outer
Portion's equipment or cloud platform are connected by communication.
6. extruder controller according to claim 5, it is characterised in that:The CPU is using the winged think of comprising PLC kernels
Karr MK60 process chip;The GPRS circuits adopt Freescale MK10 process chips;The HMI circuits include TI's
Cortex-A8 process chips, HMI drive display circuit, HMI interface circuit, the Cortex-A8 process chips to drive by HMI
Dynamic display circuit is connected with HMI interface circuit, and HMI interface circuit is connected with the display screen, touch screen by FPC connector;
The keypad interface circuit adopts 10 core FPC connector, digital-quantity input interface circuit to adopt 25 core D-SUB adapters, number
Word amount output interface circuit adopts 44 core D-SUB adapters.
7. using the extruder control system of the arbitrary extruder controller of claim 1 to 6, the extruder control system
For controlling extrusion machine equipment;It is characterized in that:The extruder control system also include digital quantity input/output terminal daughter board,
PT100 platinum resistance thermometer sensor,s, main frame converter, feeding converter;The PT100 platinum resistance thermometer sensor,s are connected at described extruder control
Outside device, it is connected with the cold junction compensation temperature collection circuit of integrated master control borad in extruder controller;The extruder controller
It is connected with main frame converter and feeding converter by the integrated ethernet switch circuitry;The main frame converter and feeding
Converter is connected with the driving motor and feeding motor of extrusion machine equipment respectively;The extruder controller is by the temperature
Degree Acquisition Circuit is connected with the thermocouple sensor of extrusion machine equipment, by cold junction temperature Acquisition Circuit and PT100 platinum heat
Resistance is connected, by digital-quantity input interface circuit and digital quantity output interface circuit and the digital quantity input/output terminal daughter board
It is connected;Digital quantity input/output terminal daughter board switching value actuator and Boolean value output sensor phase respectively with extrusion machine equipment
Even.
8. extruder control system according to claim 7, it is characterised in that:The digital quantity input/output terminal daughter board
Running voltage is outer confession direct current 24V, including 16 railway digital amount input interface circuits, 28 road transistor digital quantity output circuits and 12
Road relay digital value output circuit;The 16 railway digital amount input interface circuit passes through 25 core D-SUB adapters and extruder
The digital-quantity input interface circuit connection of controller;The 28 road transistor digital quantity output circuit and No. 12 relay digital quantities
Output circuit is connected with the digital-quantity output interface circuit of extruder controller by 44 core D-SUB adapters;The digital quantity
Connected by pre-fabricated electric cables between input/output terminal daughter board and extruder controller.
Priority Applications (1)
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CN201620987592.5U CN206085630U (en) | 2016-08-29 | 2016-08-29 | Extruder controller and extruder control system |
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CN201620987592.5U CN206085630U (en) | 2016-08-29 | 2016-08-29 | Extruder controller and extruder control system |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108051101A (en) * | 2017-12-06 | 2018-05-18 | 华中科技大学 | A kind of engine temperature test system based on STM32 microcontrollers |
CN108170091A (en) * | 2018-03-19 | 2018-06-15 | 浙江国自机器人技术有限公司 | A kind of PLC controller, PLC controller group system |
CN108181861A (en) * | 2018-03-19 | 2018-06-19 | 浙江国自机器人技术有限公司 | A kind of control system |
-
2016
- 2016-08-29 CN CN201620987592.5U patent/CN206085630U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108051101A (en) * | 2017-12-06 | 2018-05-18 | 华中科技大学 | A kind of engine temperature test system based on STM32 microcontrollers |
CN108170091A (en) * | 2018-03-19 | 2018-06-15 | 浙江国自机器人技术有限公司 | A kind of PLC controller, PLC controller group system |
CN108181861A (en) * | 2018-03-19 | 2018-06-19 | 浙江国自机器人技术有限公司 | A kind of control system |
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Address after: Water Pavilion Road Jiangning District moling street Nanjing City, Jiangsu province 211100 No. 1266 Patentee after: Nanjing Keyuan Intelligent Technology Group Co.,Ltd. Address before: Water Pavilion Road Jiangning District moling street Nanjing City, Jiangsu province 211100 No. 1266 Patentee before: NANJING SCIYON AUTOMATION GROUP Co.,Ltd. |