CN206573962U - A kind of neodymium iron boron hydrogen crushes optimal control device - Google Patents
A kind of neodymium iron boron hydrogen crushes optimal control device Download PDFInfo
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- CN206573962U CN206573962U CN201720277310.7U CN201720277310U CN206573962U CN 206573962 U CN206573962 U CN 206573962U CN 201720277310 U CN201720277310 U CN 201720277310U CN 206573962 U CN206573962 U CN 206573962U
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- plc
- module
- hydrogen
- analog
- temperature
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Abstract
Optimal control device is crushed the utility model discloses a kind of neodymium iron boron hydrogen, including PLC, Analog input mModule, analog output module, digital quantity input module, digital output module, host computer, sensor assembly, actuator, temperature control instrument, thermocouple, controllable silicon and touch-screen, sensor assembly is through A/D modular converters, it is connected after Analog input mModule with PLC, PLC is through analog output module, it is connected after D/A modular converters with actuator, temperature control instrument and PLC, thermocouple is connected, digital quantity input module, digital output module, touch-screen is connected with PLC, PLC and host computer, controllable silicon is connected, controllable silicon is connected with thermocouple.Sensor assembly gathers temperature, pressure and the flow signal in hydrogen crushing furnace and sends into PLC, the temperature and pressure that PLC is output a control signal to after being contrasted signal and preset value in actuator and temperature control instrument, control hydrogen crushing furnace.
Description
Technical field
The utility model is related to a kind of neodymium iron boron hydrogen and crushes optimal control device.
Background technology
From the point of view of the present situation of neodymium iron boron hydrogen disintegrating process both domestic and external, neodymium iron boron hydrogen disintegrating process is very ripe.It is domestic
The professional correlative study person of outer rare earth systematically have studied temperature, pressure, surface state, granularity during hydrogen disintegrating process
Influence to technique, research finds that temperature and pressure is two of influence product quality and production cycle in neodymium iron boron technical process
Key parameter.
Hydrogen disintegrating process is to prepare one of indispensable process of high-performance neodymium-iron-boron magnet.Neodymium iron boron hydrogen pulverization process has non-
Linearly, coupling, important technical parameter can not the characteristic such as on-line checking, limit the automatic control level of neodymium iron boron HD process.
At present, direct labor can only lean on micro-judgment, and technological parameter needs continuous on-line tuning, to extend Nd Fe B alloys
Inhale the hydrogen time to ensure that alloy is crushed completely, the problems such as causing production cycle length, the wasting of resources, high production cost.
The content of the invention
In order to solve the above-mentioned technical problem, the utility model provides a kind of neodymium iron boron hydrogen that cost is low, automaticity is high
Crush optimal control device.
The technical scheme that the utility model solves the above problems is：A kind of neodymium iron boron hydrogen crushes optimal control device, including
PLC, Analog input mModule, analog output module, digital quantity input module, digital output module, host computer, A/D turn
Change the mold block, sensor assembly, D/A modular converters, actuator, temperature control instrument, thermocouple, controllable silicon and touch-screen, the sensing
Device module is arranged in hydrogen crushing furnace, the output end of sensor assembly after A/D modular converters, Analog input mModule with PLC phases
Even, the input of analog output module is connected with PLC, the output end of analog output module after D/A modular converters with peace
Actuator in hydrogen crushing furnace is connected, and the input of the temperature control instrument is connected through RS485 communication modules with PLC, temperature controller
The output end of table is connected with thermocouple, and the touch-screen, digital quantity input module, digital output module are connected with PLC, PLC
It is connected with host computer, controllable silicon, controllable silicon is connected with thermocouple.
Above-mentioned neodymium iron boron hydrogen crushes optimal control device, and the sensor assembly includes temperature sensor, pressure transmitter
And flow sensor.
Above-mentioned neodymium iron boron hydrogen crushes optimal control device, and the actuator includes the heating for being used to control temperature in hydrogen crushing furnace
Equipment and the electric control valve for controlling pressure in hydrogen crushing furnace.
The beneficial effects of the utility model are：Temperature, pressure in sensor assembly collection hydrogen crushing furnace of the present utility model
Power and flow signal simultaneously send into PLC, and the signal received feeding touch-screen is shown and uploads to host computer by PLC, simultaneously
Corresponding control signal is exported after signal is contrasted with preset value to actuator and temperature control instrument, so as to control in hydrogen crushing furnace
Temperature and pressure, it is ensured that the crushing precision that hydrogen is crushed, have the advantages that cost is low, simple to operate, automatization level is high.
Brief description of the drawings
Fig. 1 is structured flowchart of the present utility model.
Fig. 2 is the utility model PLC wiring diagram.
Embodiment
The utility model is further described with reference to the accompanying drawings and examples.
As shown in figure 1, the utility model includes PLC, Analog input mModule, analog output module, digital quantity input
Module, digital output module, host computer, A/D modular converters, sensor assembly, D/A modular converters, actuator, temperature controller
Table, thermocouple, controllable silicon and touch-screen, the sensor assembly are arranged in hydrogen crushing furnace, and sensor assembly includes TEMP
Device, pressure transmitter and flow sensor, the output end of sensor assembly after A/D modular converters, Analog input mModule with
PLC is connected, and the input of analog output module is connected with PLC, and the output end of analog output module is after D/A modular converters
It is connected with the actuator in hydrogen crushing furnace, actuator includes being used to control in hydrogen crushing furnace the firing equipment of temperature and for controlling
The electric control valve of the broken furnace pressure of hydrogen manufacturing, the input of the temperature control instrument is connected through RS485 communication modules with PLC, temperature control
The output end of instrument is connected with thermocouple, and the touch-screen, digital quantity input module, digital output module are connected with PLC,
PLC is connected with host computer, controllable silicon, and controllable silicon is connected with thermocouple.
Described PLC selects FX2N-64MR series of PLC, and the signal that PLC digital quantity input modules are received includes heating
The advance of equipment and backing signal, enter spacing and move back limit signal, open the door and close the door signal, open spacing with closing limit signal, hydrogen
Air cock signal, argon gas switching signal, cooling blower switching signal, Vacuum Roots pump switching signal, heating furnace enabling signal, plus
Threshold switch is taken out on hot stove stop signal, nitrogen threshold switch, wherein intake valve switch, main flow threshold switch, by-pass flow threshold switch, side, and master takes out valve and opened
Close, fire door opens confirmations, fire door, which is closed, to be confirmed, cooling wind is scattered, hydraulic motor, vacuum inspection and heating in vacuum 26 signals altogether；Mould
The input signal of analog quantity input module includes temperature signal, positive pressure pressure signal, vacuum-pressure signal, hydrogen flowing quantity signal；Number
The output signal of word amount output module includes Vacuum Roots pump unlatching, cooling blower and opened, and logical nitrogen valve is opened, and logical hydrogen valve is opened,
Exhaust valve open, exhaust valve close, cooling fan starts, fault alarm, starts heater, vacuumizes, gate valve is opened, alarm indication is altogether
12, the signal controls corresponding controlled valve by PLC, and blower fan, fan, air compressor machine is controlled.
Temprature control unit of the present utility model is by temperature control instrument, temperature sensor, solid-state relay and firing equipment
Closed-loop control is realized in loop Deng composition, by the temperature sensor inside hydrogen crushing furnace, detects the reality inside burner hearth
Temperature value, compared with set temperature value, the break-make for the controllable silicon that PLC controls are connected with thermocouple, and then control the temperature of body of heater
Degree.The closure that the control of pressure is made up of pressure transmitter, electric control valve, A/D modular converters, D/A modular converters etc. is returned
Road is realized.Furnace pressure signal is gathered by pressure transmitter first, analog-to-digital conversion is then carried out by A/D modular converters, by electricity
Signal is converted to digital quantity signal, sends into PLC, then by PLC output control signals, and control signal turns through D/A modular converters
Exported after changing, go to control corresponding executing agency, so as to reach control course of reaction reaction furnace pressure.
As shown in Fig. 2 FX2N-64MR extends two pieces of FX0N-3A modules, FX0N-3A is PLC analog input and outputs
Module, every piece of FX0N-3A has two-way input signal, including AD conversion and DA conversion, and one of FX0N-3A two-way is defeated
Enter signal and connect the negative pressure signal that vacuum resistance regulates output respectively（0 ~ 5V voltage signal）With flow sensor output signal（0
~ 5V voltage signal）, the input signal of output signal connection traffic regulating valve all the way（0 ~ 5V voltage signal）, flow tune
Section valve is set to analog voltage signal control.Other one piece of FX0N-3A has only used input signal all the way, and wherein positive pressure pressure becomes
Send using two-wire system connection, 4 ~ 20mA of positive pressure pressure transmitter output current signal is connected to intelligent display meter, intelligence
Display instrument can accurately show positive pressure pressure.Control device by 6 pieces have RS-485 communication functions temperature control instruments
CH402 and gaseous mass flowmeter CS200A is connected with the FX1N-485-BD feature boards extended out, using semiduplex wiring
Mode.
Claims (3)
1. a kind of neodymium iron boron hydrogen crushes optimal control device, it is characterised in that：It is defeated including PLC, Analog input mModule, analog quantity
Go out module, digital quantity input module, digital output module, host computer, A/D modular converters, sensor assembly, D/A moduluss of conversion
Block, actuator, temperature control instrument, thermocouple, controllable silicon and touch-screen, the sensor assembly are arranged in hydrogen crushing furnace, sensor
The output end of module is connected after A/D modular converters, Analog input mModule with PLC, the input of analog output module with
PLC is connected, and the output end of analog output module is connected after D/A modular converters with the actuator in hydrogen crushing furnace, institute
The input for stating temperature control instrument is connected through RS485 communication modules with PLC, and the output end of temperature control instrument is connected with thermocouple, described
Touch-screen, digital quantity input module, digital output module are connected with PLC, and PLC is connected with host computer, controllable silicon, controllable silicon with
Thermocouple is connected.
2. neodymium iron boron hydrogen according to claim 1 crushes optimal control device, it is characterised in that：The sensor assembly bag
Include temperature sensor, pressure transmitter and flow sensor.
3. neodymium iron boron hydrogen according to claim 1 crushes optimal control device, it is characterised in that：The actuator includes using
In the firing equipment of temperature in control hydrogen crushing furnace and the electric control valve for controlling pressure in hydrogen crushing furnace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720277310.7U CN206573962U (en) | 2017-03-21 | 2017-03-21 | A kind of neodymium iron boron hydrogen crushes optimal control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720277310.7U CN206573962U (en) | 2017-03-21 | 2017-03-21 | A kind of neodymium iron boron hydrogen crushes optimal control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206573962U true CN206573962U (en) | 2017-10-20 |
Family
ID=60055009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720277310.7U Expired - Fee Related CN206573962U (en) | 2017-03-21 | 2017-03-21 | A kind of neodymium iron boron hydrogen crushes optimal control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206573962U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111536803A (en) * | 2020-05-08 | 2020-08-14 | 北京汇磁粉体材料有限公司 | Precise vacuum atmosphere heat treatment furnace with precise control |
-
2017
- 2017-03-21 CN CN201720277310.7U patent/CN206573962U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111536803A (en) * | 2020-05-08 | 2020-08-14 | 北京汇磁粉体材料有限公司 | Precise vacuum atmosphere heat treatment furnace with precise control |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171020 Termination date: 20200321 |