CN103528704B - A kind of hot pressing of artificial board On-line Control device and hot pressing On-Line Control Method thereof - Google Patents
A kind of hot pressing of artificial board On-line Control device and hot pressing On-Line Control Method thereof Download PDFInfo
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Abstract
The invention discloses a kind of hot pressing of artificial board On-line Control device and hot pressing On-Line Control Method thereof, by thermocouple is implanted the sandwich layer of artificial board blank online, the other end is connected by the input with signal amplifier；The outfan of signal amplifier connects data display equipment；Hydraulic control system and temperature control system are connected respectively the outfan of heat pressing process operating system, the input of heat pressing process operating system is connected with the outfan of signal amplifier, define online feedback regulator control system, wood-based plate core layer temperature in hot pressing can be gathered by real-time online, and according to core layer temperature, by heat pressing process operating system to hydraulic control system and temperature control system online adaptive closed loop feedback, and then, adjust wood-based plate heat pressing process in real time.Present invention achieves and wood-based plate core layer temperature is carried out on line real-time monitoring, contribute to optimizing the heat pressing process of wood-based plate, improve stability and the productivity ratio of product quality, reduce energy consumption.
Description
Technical field
The invention belongs to the wood-based plate in industry of artificial boards and manufacturing technology field thereof, relate to a kind of hot pressing of artificial board On-line Control device and hot pressing On-Line Control Method thereof.
Background technology
The hot pressing of wood-based plate refers to that the slab with adhesive is at certain temperature, pressure, in the time, complete the process of plank.Temperature is a key factor of hot pressing process, and it makes adhesive be gradually completing solidification, makes the component units within sheet material compose an entirety.Wood-based plate is at hot pressing, heat passes to backing plate (using backing plate) through heating platen plate face, and backing plate passes to slab top layer again, is then progressively delivered to slab sandwich layer again, there are close relationship hot pressing temperature and time, and the height of temperature directly influences pressing time and productivity ratio.Temperature transfer is subject to the impact of the factors such as the type of adhesive, plate kind, capacity of equipment, seeds, mat moisture content, the thickness of plate, production environment (climate and weather).Owing to the heat transfer of wood-based plate is a sufficiently complex process, not yet there are theory and model can predict slab internal temperature exactly at present, therefore, the on-line checking of board briquette is possible not only to efficiently reduce hot pressing time by hot pressing, improve production efficiency, save hot pressing energy consumption, moreover it is possible to be effectively improved the quality stability of sheet material, especially wood-based plates such as adopting the Recombined bamboo of cold and hot cold technique manufacture, Scrimber, container bottom board or bamboo wood cement formwork is seemed especially pronounced.But, at present, the temperature of heating platen is only monitored by existing wood-based plate press, lacks a kind of device and the core layer temperature of wood-based plate can carry out on-line monitoring, and in real time hot pressing is implemented in line traffic control according to the data obtained.
Summary of the invention
The invention aims to overcome the deficiencies in the prior art, it is provided that a kind of hot pressing of artificial board On-line Control device, on-line monitoring artificial board blank core layer temperature can be passed through, and according to the on-line automatic adjustment hot pressing parameters of core layer temperature.
For achieving the above object, the present invention takes techniques below scheme:
A kind of hot pressing of artificial board On-line Control device provided by the invention, including hot-pressing system (1), hydraulic control system (2), temperature control system (3), heat pressing process operating system (4), data display equipment (5), signal amplifier (6) and thermocouple (7), wherein: thermocouple (7) other end is connected with the input of signal amplifier (6)；The outfan of signal amplifier connects data display equipment (5)；Hydraulic control system (2) is connected with hot-pressing system (1) with temperature control system (3) outfan, input is connected with heat pressing process operating system (4), the input of heat pressing process operating system (4) is connected with the outfan of signal amplifier (6), and is connected with the input of data display equipment (5)；Described thermocouple (7) is moveable.
Described signal amplifier (6) is to constitute by connecting the temperature-compensation circuit (I) of thermocouple (7), the amplifying circuit (II) of heat pressing process operating system (4) and positive-negative power circuit (III), wherein the output lead of temperature-compensation circuit (I) connects in amplifying circuit (II) reverse input end and input in the same direction respectively, the power input of temperature-compensation circuit (I) power supply input positive-negative power circuit (III), the output lead of positive-negative power circuit (III) receives amplifying circuit (II), inputs as its power supply.
The temperature sensor of described thermocouple (7) is K (CA) NiCr/NiAl alloy thermocouple, and the surface dielectric of described thermocouple (7) is Teflon.
Described heat pressing process operating system (4) is run or manual hand manipulation for Automatic Program.
Another object of the present invention is to provide a kind of hot pressing of artificial board On-Line Control Method, comprises the steps:
Wood-based plate hot pressing parameters is inputted in heat pressing process operating system (4) by A；
Thermocouple (7) is implanted the sandwich layer of artificial board blank by B, and described thermocouple is sent in hot-pressing system (1) together with artificial board blank；
C opens heat pressing process operating system (4), and described heat pressing process operating system (4) inputs closure signal to hydraulic control system (2), and the hot press in hot-pressing system (1) starts Guan Bi；Meanwhile, described heat pressing process operating system (4) inputs intensification signal to temperature control system (3), and boiler starts to input heat energy to the hot press in hot-pressing system (1), and the heating platen of described hot press starts to warm up；
D thermocouple (7) starts to gather Atmospheric temperature, and it is translated into the voltage signal of millivolt level, this voltage signal becomes the voltage signal of 0-5V through signal amplifier (6), the voltage signal of this 0-5V is divided into two-way, heat pressing process operating system (4) is defeated by one tunnel, and another road is defeated by data display equipment (5) and is carried out processing and show numerical value and/or waveform；
E heat pressing process operating system (4) is by judging the voltage signal that signal amplifier (6) is sent here, and hot pressing parameters described in integrating step A, to hydraulic control system (2) output control signal, regulation and control hot pressing pressure；Export control signal to temperature control system (3), regulate and control hot pressing temperature；
F is when completing the hot pressing flow process that hot pressing parameters specifies, heat pressing process operating system (4) opens control signal to hydraulic control system (2) output, and the hot press in hot-pressing system (1) is opened, and hot pressing completes.
Described heat pressing process operating system (4) is run or manual hand manipulation for Automatic Program.
Described signal amplifier (6) records the changing value of a wood-based plate core layer temperature with every 0.25-0.5s time.
Described data display equipment (5) is furnished with data acquisition software, gathers data value and/or the curve image of the intensification in hot pressing of the wood-based plate sandwich layer, insulation and temperature-fall period record.
The temperature sensor of described thermocouple (7) is K (CA) NiCr/NiAl alloy thermocouple, and the surface dielectric of described thermocouple (7) is Teflon.
A kind of hot pressing of artificial board On-line Control device provided by the invention and hot pressing On-Line Control Method thereof, it is provided with moveable thermocouple, when hot pressing, the online sandwich layer implanting wood-based plate, utilize the millivolt level voltage signal that the Seebeck effect (Seebeckeffect) of K (CA) NiCr/NiAl alloy thermocouple produces, this voltage signal becomes the voltage signal of 0-5V through signal amplifier, and processed by data display equipment, demonstrate the temperature of slab sandwich layer, it is achieved that the on-line monitoring to hot pressing of artificial board core layer temperature.
A kind of hot pressing of artificial board On-line Control device provided by the invention and hot pressing On-Line Control Method thereof, heat pressing process operating system is inputted by signal amplifier after being amplified by the signal of telecommunication of thermocouple collection, the heat pressing process operating system temperature according to sandwich layer, the hot pressing temperature of sheet material, hot pressing pressure and hot pressing time are carried out real-time monitoring, when meeting adhesive solidification, select to optimize the temperature and time being suitable for, be favorably improved production efficiency and reduce energy consumption.
Below in conjunction with the drawings and specific embodiments, the invention will be further described, and not limitation of the present invention, the equivalent replacement of every any this area carried out according to the disclosure of invention, belong to protection scope of the present invention.
Accompanying drawing explanation
The structure connection diagram of Fig. 1 hot pressing of artificial board On-line Control device
The circuit theory of Fig. 2 signal amplifier connects figure
Detailed description of the invention:
The cold and hot cold technique hot pressing On-line Control device of embodiment 1 multi-daylight press and On-Line Control Method thereof
Cold and hot cold technique hot pressing On-line Control device provided by the invention is by hot-pressing system (1), hydraulic control system (2), temperature control system (3), heat pressing process operating system (4), data display equipment (5), signal amplifier (6) and thermocouple (7) are constituted, as shown in Figure 1-2, wherein:
Hot-pressing system (1) includes multi-daylight press, loading, unloading trigger, caul circulating system unit, hydraulic means, the air inlet and outlet device of steam, water-cooling apparatus, described loader, hot press, unloader and caul circulating system unit one blood circulation of composition, belong to prior art；
Hydraulic control system (2) is the pressure source of hot press and loader and unloader, by 3 respective independent oil piping systems, control the lifting of hot press, Guan Bi, pressurization respectively, the lifting of loader, decline, enter plate and the lifting of unloader, decline, ejecting plate, belong to prior art；
Temperature control system (3) includes air inlet and outlet device and the water-cooling apparatus of steam, and air inlet and outlet device provides thermal source for hot press work, including air inlet column jecket, aerofluxus column jecket, metal hose or ell of cranking arm, heating platen and all kinds of valve；Chiller connects a water pipe in air inlet column jecket upper end, and water inlet pipe is connected with water pump, connects an aerofluxus water pipe in exhaustor upper end, and aerofluxus water pipe can be directly discharged in circulating water pool water, belongs to prior art.The purpose of chiller is for preventing sheet material at stress-relief process bubbling, and when hot pressing nearly completes, it is necessary to heating platen is cooled down, cooling generally adopts water-cooling pattern, makes artificial board blank lower the temperature；
Heat pressing process operating system (4) is run or manual hand manipulation for Automatic Program；
The temperature sensor of thermocouple is K (CA) NiCr/NiAl alloy thermocouple, and surface dielectric is Teflon.
Signal amplifier (6) is to constitute by connecting the temperature-compensation circuit (I) of thermocouple (7), the amplifying circuit (II) of heat pressing process operating system (4) and positive-negative power circuit (III), wherein the output lead of temperature-compensation circuit (I) connects in amplifying circuit (II) reverse input end and input in the same direction respectively, the power input of temperature-compensation circuit (I) power supply input positive-negative power circuit (III), the output lead of positive-negative power (III) accepts amplifying circuit (II), inputs as its power supply.
Data display equipment (5) is furnished with data acquisition software, gathers data value and/or the curve image of the intensification in hot pressing of the wood-based plate sandwich layer, insulation and temperature-fall period record.
Thermocouple (7) other end is connected with the input of signal amplifier (6)；The outfan of signal amplifier connects data display equipment (5)；Hydraulic control system (2) is connected with hot-pressing system (1) with temperature control system (3) outfan, input is connected with heat pressing process operating system (4), the input of heat pressing process operating system (4) is connected with the outfan of signal amplifier (6), and is connected with the input of data display equipment (5)；Described thermocouple (7) is moveable.
Below the hot pressing On-Line Control Method of the embodiment of the present invention is described in detail again:
Adopt cold and hot cold explained hereafter Recombined bamboo, Scrimber, container bottom board or bamboo wood cement formwork, its hot pressing parameters: hot pressing pressure 4.0MPa, heating platen temperature 60 C during dress plate, Atmospheric temperature 145 DEG C during hot pressing, sandwich layer temperature retention time 10min, the temperature 60 C of slab sandwich layer during release, by above-mentioned hot pressing parameters input heat pressing process operating system (4)；
Recombined bamboo, Scrimber, container bottom board or bamboo wood cement formwork slab are sent into into trigger, K (CA) NiCr/NiAl alloy thermocouple (7) is implanted the central layer of Recombined bamboo, Scrimber, container bottom board or bamboo wood cement formwork, afterwards, described thermocouple (7) is sent between hot press heating platen together with Recombined bamboo, Scrimber, container bottom board or bamboo wood cement formwork slab；Open heat pressing process operating system (4), heat pressing process operating system (4) inputs closure signal to hydraulic control system (2), hot-pressing system (1) starts Guan Bi, when pressure reaches 4.0MPa, keeps pressure constant；Meanwhile, described heat pressing process operating system (4) inputs intensification signal to temperature control system (3), and boiler starts to input superheated steam to hot-pressing system (1), and the heating platen of described hot-pressing system (1) starts to warm up；Thermocouple (7) starts to gather Atmospheric temperature, and it is translated into the voltage signal of millivolt level, this voltage signal becomes the voltage signal of 0-5V through signal amplifier (6), the voltage signal of this 0-5V is divided into two-way, heat pressing process operating system (4) is defeated by one tunnel, and another road is defeated by data display equipment (5) and is carried out processing and show numerical value and/or waveform；
When the Atmospheric temperature that thermocouple (7) gathers reaches 145 DEG C, heat pressing process operating system (4) regulates quantity of steam signal to temperature control system (3) output, air inlet-outlet device is by regulating the air inflow of intake valve, the core layer temperature making slab is maintained at about 145 DEG C, temperature retention time 10min；Afterwards, heat pressing process operating system (4) exports open cold radiator cooler signal to temperature control system (3), closes intake valve, and open cold radiator cooler, passes into cold water simultaneously, makes slab start cooling；When the temperature of slab sandwich layer drops to 60 DEG C, heat pressing process operating system (4) exports adjustment signal to temperature control system (3), closes chiller；Heat pressing process operating system (4) exports control signal to hydraulic control system (2), and hot press is opened and opened, and unloader is by slab thus press is deviate from, and hot pressing completes.
Embodiment 2 multi-daylight press hot thermal process hot pressing On-line Control device and On-Line Control Method thereof
Multi-daylight press provided by the invention hot thermal process hot pressing On-line Control device is by hot-pressing system (1), hydraulic control system (2), temperature control system (3), heat pressing process operating system (4), data display equipment (5), signal amplifier (6) and thermocouple (7) are constituted, as shown in Figure 1-2, wherein:
Hot-pressing system (1) includes multi-daylight press, loading, unloading trigger, caul circulating system unit, hydraulic means, the air inlet and outlet device of steam, and described loader, hot press, unloader and caul circulating system unit form the blood circulation of, belong to prior art；
Hydraulic control system (2) is the pressure source of hot press and loader and unloader, by 3 respective independent oil piping systems, control the lifting of hot press, Guan Bi, pressurization respectively, the lifting of loader, decline, enter plate and the lifting of unloader, decline, ejecting plate, belong to prior art；
Temperature control system (3) includes the air inlet and outlet device of steam or conduction oil enters arranging device, air inlet and outlet device or conduction oil enter arranging device provides thermal source for hot press work, including air inlet or oil-feed column jecket, aerofluxus or oil extraction column jecket, metal hose or ell of cranking arm, heating platen and all kinds of valve；
Heat pressing process operating system (4) is run or manual hand manipulation for Automatic Program；
The temperature sensor of thermocouple is K (CA) NiCr/NiAl alloy thermocouple, and surface dielectric is Teflon.
Signal amplifier (6) is to constitute by connecting the temperature-compensation circuit (I) of thermocouple (7), the amplifying circuit (II) of heat pressing process operating system (4) and positive-negative power circuit (III), wherein the output lead of temperature-compensation circuit (I) connects in amplifying circuit (II) reverse input end and input in the same direction respectively, the power input of temperature-compensation circuit (I) power supply input positive-negative power circuit (III), the output lead of positive-negative power (III) accepts amplifying circuit (II), inputs as its power supply.
Data display equipment (5) is furnished with data acquisition software, gathers data value and/or the curve image of the intensification in hot pressing of the wood-based plate sandwich layer, insulation and temperature-fall period record.
Thermocouple (7) other end is connected with the input of signal amplifier (6)；The outfan of signal amplifier connects data display equipment (5)；Hydraulic control system (2) is connected with hot-pressing system (1) with temperature control system (3) outfan, input is connected with heat pressing process operating system (4), the input of heat pressing process operating system (4) is connected with the outfan of signal amplifier (6), and is connected with the input of data display equipment (5)；Described thermocouple (7) is moveable.
Below the plywood hot-pressing process On-Line Control Method of the embodiment of the present invention is described in detail again:
Adopting hot thermal process to produce plywood, its hot pressing parameters: hot pressing pressure 2.0MPa, core layer temperature 120 DEG C during hot pressing, sandwich layer temperature retention time 5min, by above-mentioned hot pressing parameters input heat pressing process operating system (4)；
Plywood slab is sent into into trigger, K (CA) NiCr/NiAl alloy thermocouple (7) is implanted the central layer of plywood, afterwards, described thermocouple (7) is sent between hot press heating platen together with plywood slab；Open heat pressing process operating system (4), heat pressing process operating system (4) inputs closure signal to hydraulic control system (2), hot-pressing system (1) starts Guan Bi, when pressure reaches 1.5MPa, keeps pressure constant；Meanwhile, described heat pressing process operating system (4) inputs intensification signal to temperature control system (3), and boiler starts to input superheated steam to hot-pressing system (1), and the heating platen of described hot-pressing system (1) starts to warm up；Thermocouple (7) starts to gather Atmospheric temperature, and it is translated into the voltage signal of millivolt level, this voltage signal becomes the voltage signal of 0-5V through signal amplifier (6), the voltage signal of this 0-5V is divided into two-way, heat pressing process operating system (4) is defeated by one tunnel, and another road is defeated by data display equipment (5) and is carried out processing and show numerical value and/or waveform；
When the Atmospheric temperature that thermocouple (7) gathers reaches 120 DEG C, heat pressing process operating system (4) regulates quantity of steam signal to temperature control system (3) output, air inlet-outlet device is by regulating the air inflow of intake valve, the core layer temperature making slab is maintained at about 120 DEG C, temperature retention time 5min；Afterwards, heat pressing process operating system (4) opens control signal to hydraulic control system (2) output, and hot-pressing system (1) is opened, and unloader is by slab thus press is deviate from, and hot pressing completes.
Below the fibre board hot pressing On-Line Control Method of the embodiment of the present invention is described in detail again:
Hot thermal process is adopted to produce urea-formaldehyde resin fibre plate, its hot pressing parameters: initial thermal pressure pressure 1.5MPa, when core layer temperature reaches 100 DEG C, hot pressing pressure is adjusted to 3.0MPa, core layer temperature 140 DEG C when hot pressing, hot pressing pressure is adjusted to 2.0MPa, core layer temperature 160 DEG C when hot pressing, hot pressing pressure is adjusted to 1.5MPa, and keeps temperature and pressure constant, insulation and temperature retention time 2min, by above-mentioned hot pressing parameters input heat pressing process operating system (4)；
Fibre board slab is sent into into trigger, K (CA) NiCr/NiAl alloy thermocouple (7) is implanted the central layer of fibre board, afterwards, described thermocouple (7) is sent between hot press heating platen together with fibre board slab；Open heat pressing process operating system (4), intensification signal is inputted to temperature control system (3), boiler starts to input the conduction oil of heating to hot-pressing system (1), and the heating platen of described hot-pressing system (1) starts to warm up；Meanwhile, heat pressing process operating system (4) inputs closure signal to hydraulic control system (2), and hot-pressing system (1) starts Guan Bi, when pressure reaches 1.5MPa, before upper once pressure regulation, keeps pressure constant；
While opening heat pressing process operating system (4), thermocouple (7) starts to gather Atmospheric temperature, and it is translated into the voltage signal of millivolt level, this voltage signal becomes the voltage signal of 0-5V through signal amplifier (6), the voltage signal of this 0-5V is divided into two-way, heat pressing process operating system (4) is defeated by one tunnel, and another road is defeated by data display equipment (5) and is carried out processing and show numerical value and/or waveform；When core layer temperature reaches 100 DEG C, heat pressing process operating system (4) exports adjustment signal to hydraulic control system (2), and hot pressing pressure is adjusted to 2.0MPa, before upper once pressure regulation, keeps pressure constant；Core layer temperature 160 DEG C when hot pressing, heat pressing process operating system (4) exports adjustment signal to hydraulic control system (2), and hot pressing pressure is adjusted to 1.5MPa, before upper once pressure regulation, keeps pressure constant；Core layer temperature 160 DEG C when hot pressing, heat pressing process operating system (4) exports adjustment signal to hydraulic control system (2), and hot pressing pressure is adjusted to 1.5MPa；Simultaneously, heat pressing process operating system (4) temperature control system (3) output adjustment signal, enters oil discharging device by regulating the oil inlet quantity of intake valve, makes the core layer temperature of slab be maintained at about 160 DEG C, before upper once pressure regulation, keep pressure constant, be incubated and dwell time 2min, afterwards, heat pressing process operating system (4) exports control signal to hydraulic control system (2), hot press is opened, and unloader is by slab thus press is deviate from, and hot pressing completes.
Below the particieboard hot pressing On-Line Control Method of the embodiment of the present invention is described in detail again:
Adopt hot thermal process produce phenolic resin particieboard, its hot pressing parameters: hot pressing pressure 3.0MPa, core layer temperature 180 DEG C, when core layer temperature reaches 180 DEG C, temperature and pressure constant maintenance 3min after, release.By in above-mentioned hot pressing parameters input heat pressing process operating system (4), adopt manual hand manipulation；
Particle mat is sent into into trigger, K (CA) NiCr/NiAl alloy thermocouple (7) is implanted the central layer of particieboard, afterwards, described thermocouple (7) is sent between hot press heating platen together with particle mat；Opening heat pressing process operating system (4), adopt mode manually to control hydraulic system, hot press starts Guan Bi；Meanwhile, adopting mode manually to control temperature control system (3) and open air intake valve, boiler starts to input superheated steam to hot press, and the heating platen of hot press starts to warm up；Thermocouple (7) starts to gather Atmospheric temperature, and it is translated into the voltage signal of millivolt level, this voltage signal becomes the voltage signal of 0-5V through signal amplifier (6), the voltage signal of this 0-5V is divided into two-way, heat pressing process operating system (4) is defeated by one tunnel, and another road is defeated by data display equipment (5) and is carried out processing and show numerical value and/or waveform；
When pressure reaches 3.0MPa, adopt mode manually to regulate hydraulic system, make hot press pressure be maintained at 3.0MPa；When the Atmospheric temperature that thermocouple (7) gathers reaches 180 DEG C, adopt mode regulating and controlling temperature manually to control the air inflow of system (3) intake valve valve, make the core layer temperature of slab be maintained at about 180 DEG C, temperature retention time 3min；Afterwards, adopting mode manually to open hydraulic control system (2) start signal, hot press (1) is opened, and unloader is by slab thus hot press is deviate from, and hot pressing completes.
Claims (8)
1. a hot pressing of artificial board On-line Control device, including hot-pressing system (1), hydraulic control system (2), temperature control system (3), heat pressing process operating system (4), data display equipment (5), signal amplifier (6) and thermocouple (7), is characterized in that: thermocouple (7) other end is connected with the input of signal amplifier (6)；The outfan of signal amplifier (6) connects data display equipment (5)；Hydraulic control system (2) is connected with hot-pressing system (1) with temperature control system (3) outfan, input is connected with heat pressing process operating system (4), the input of heat pressing process operating system (4) is connected with the outfan of signal amplifier (6), and is connected with the input of data display equipment (5)；Described thermocouple (7) is moveable；Described signal amplifier (6) is to constitute by connecting the temperature-compensation circuit (I) of thermocouple (7), the amplifying circuit (II) of heat pressing process operating system (4) and positive-negative power circuit (III), wherein the output lead of temperature-compensation circuit (I) connects in amplifying circuit (II) reverse input end and input in the same direction respectively, the power input of temperature-compensation circuit (I) power supply input positive-negative power circuit (III), the output lead of positive-negative power circuit (III) receives amplifying circuit (II), inputs as its power supply.
2. a kind of hot pressing of artificial board On-line Control device according to claim 1, it is characterized in that: the temperature sensor of described thermocouple (7) is K (CA) NiCr/NiAl alloy thermocouple, and the surface dielectric of described thermocouple (7) is Teflon.
3. a kind of hot pressing of artificial board On-line Control device according to claim 1, is characterized in that: described heat pressing process operating system (4) is that Automatic Program is run or manual hand manipulation.
4. a hot pressing of artificial board On-Line Control Method, is characterized in that: comprise the steps:
Wood-based plate hot pressing parameters is inputted in heat pressing process operating system (4) by A；
Thermocouple (7) is implanted the sandwich layer of artificial board blank by B, and described thermocouple is sent in hot-pressing system (1) together with artificial board blank；
C opens heat pressing process operating system (4), and described heat pressing process operating system (4) inputs closure signal to hydraulic control system (2), and the hot press in hot-pressing system (1) starts Guan Bi；Meanwhile, described heat pressing process operating system (4) inputs intensification signal to temperature control system (3), and boiler starts to described hot press input heat energy, and the heating platen of described hot press starts to warm up；
D thermocouple (7) starts to gather Atmospheric temperature, and it is translated into the voltage signal of millivolt level, this voltage signal becomes the voltage signal of 0-5V through signal amplifier (6), the voltage signal of this 0-5V is divided into two-way, heat pressing process operating system (4) is defeated by one tunnel, and another road is defeated by data display equipment (5) and is carried out processing and show numerical value and/or waveform；
E heat pressing process operating system (4) is by judging the voltage signal that signal amplifier (6) is sent here, and hot pressing parameters described in integrating step A, to hydraulic control system (2) output control signal, regulation and control hot pressing pressure；Export control signal to temperature control system (3), regulate and control hot pressing temperature；
F is when completing the hot pressing flow process that hot pressing parameters specifies, heat pressing process operating system (4) opens control signal to hydraulic control system (2) output, and the hot press of hot-pressing system (1) is opened, and hot pressing completes.
5. a kind of hot pressing of artificial board On-Line Control Method according to claim 4, is characterized in that: described heat pressing process operating system (4) is that Automatic Program is run or manual hand manipulation.
6. a kind of hot pressing of artificial board On-Line Control Method according to claim 4, is characterized in that: described signal amplifier (6) records the changing value of a wood-based plate core layer temperature with every 0.25-0.5s time.
7. a kind of hot pressing of artificial board On-Line Control Method according to claim 4, it is characterized in that: described data display equipment (5) is furnished with data acquisition software, gather data value and/or the curve image of the intensification in hot pressing of the wood-based plate sandwich layer, insulation and temperature-fall period record.
8. a kind of hot pressing of artificial board On-Line Control Method according to claim 4, it is characterized in that: the temperature sensor of described thermocouple (7) is K (CA) NiCr/NiAl alloy thermocouple, and the surface dielectric of described thermocouple (7) is Teflon.
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