CN2933831Y - Temperature control device of full-automatic blowing plastic hollow molding machine - Google Patents
Temperature control device of full-automatic blowing plastic hollow molding machine Download PDFInfo
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- CN2933831Y CN2933831Y CN 200620098217 CN200620098217U CN2933831Y CN 2933831 Y CN2933831 Y CN 2933831Y CN 200620098217 CN200620098217 CN 200620098217 CN 200620098217 U CN200620098217 U CN 200620098217U CN 2933831 Y CN2933831 Y CN 2933831Y
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Abstract
A temperature control device of temperature control device of automatic plastic blow and injection molding machine, which includes PLC --- high speed single-chip machine system, temperature sensor signal amplifying circuit, heating device driving circuit and operation panel; PLC --- high speed single-chip machine system includes PLC, high speed single-chip machine, electrical level transfer circuit, current direction control circuit and system circuit board of the PLC --- high speed single-chip machine system; The temperature sensor signal amplifying circuit has N routes, and each route consists of bridge type detection circuit, low flux filter and operation magnifier; Heating device driving circuit also has N routes, and each route consists of solid relay with photo-electric isolation, heating ring and single phase automatic air switch; The operation panel consists of matrix keyboard, dot matrix LCD display module, LCD display module controller, touch screen, touch screen interface circuit, press key, temperature control power switch, LED, matrix keyboard and keyboard circuit board. The device is of accurate temperature control, high system performance / price ratio and simple operation.
Description
Technical field
The utility model relates to a kind of attemperating unit, particularly a kind of full-automatic injecting blowing plastic blow moulding machine temperature control equipment.
Background technology
In the full-automatic injecting blowing plastic blow moulding machine, one of important process condition of injecting blowing plastic hollow molding is that the influence plasticizing is flowed, the temperature of cooling and air pressure bottle blowing, blow in the journey at notes, need the temperature of control to have following three types: 1, barrel temperature: barrel temperature is one of temperature of injection-molded process need control, this temperature mainly influences the plasticizing of plastics with mobile: each plastics all has different flowing temperatures, and with a kind of plastics because the source or trade mark difference, its flowing temperature and decomposition temperature also are differentiated, the plasticizing process of plastics in the plastic hollow make-up machine also is different, thereby selects barrel temperature also inequality; 2, nozzle temperature: nozzle temperature is usually a little less than the barrel maximum temperature, this is in order to prevent that melt is in through type nozzle contingent " hydrostomia phenomenon ", but nozzle temperature can not be low excessively, otherwise coagulate and nozzle is blocked the morning that will cause melt, or inject the performance that die cavity influences goods owing to early coagulating material; 3, mold temperature: mold temperature mainly is to influence flowing and cooling of plastics, therefore internal performance and the apparent mass influence to goods is very big, and the height of mold temperature is decided by that plastics crystallinely have or not, size and structure, performance requirement and other process conditions (as: melt temperature, injection speed and injection pressure, notes blow the cycle etc.) of goods.In addition, annotate the bottle shaping mould temperature of blowing hollow molding and also will directly influence the Forming Quality of plastic bottle, the especially presentation quality of plastic bottle.At present, full-automatic injecting blowing plastic blow moulding machine temperature control equipment mainly contains 3 types: the one, and use single-chip microcomputer or embedded chip and be designed to dedicated control device, temperature control equipment is the part of dedicated control device, but must be when needing to revise by engineer's update routine of design specialized control device producer, the field engineer revises the control program difficulty, and alter mode is dumb; The 2nd, and Programmable Logic Controller (hereinafter to be referred as: PLC) as the control core devices, temperature control instrument is as temperature control equipment, the field engineer can revise the control program of PLC according to the technological requirement of annotating bottle blowing under this mode, because the complete self-organizing system of temperature control instrument, temperature controlled effect can not be adjusted according to the height of different process process and temperature controlling value automatically by control device, and temperature required control instrument quantity many (more than at least 6) causes equipment volume huge; The 3rd, PLC as the A/D of control core, PLC, D/A module as the temperature acquisition of temperature control equipment and control signal output device, industrial LCD MODULE as man-machine interface, though the field engineer can revise the PLC control program according to the technological requirement of annotating bottle blowing, but system price is very high, and input cost is excessive.
The utility model content
The purpose of this utility model be to provide a kind of by PLC as control core, the full-automatic injecting blowing plastic blow moulding machine temperature control equipment that the PLC-high speed mcu system is formed, the advantage of the comprehensive above-mentioned three kinds of devices of this device, having the field engineer can be according to the control program of the technological requirement modification PLC that annotates bottle blowing, temperature control can be selected the control parameter according to the technical process of full-automatic injecting blowing plastic blow moulding machine and the height of temperature controlling value, automatically adjust temperature control effect, accurate characteristics of temperature control effect and systemic price ratio height have solved the deficiency of prior art preferably.
For solving the problems of the technologies described above, the technical scheme that the utility model adopted is: a kind of full-automatic injecting blowing plastic blow moulding machine temperature control equipment, be a kind of closed loop fuzzy temperature control equipment, comprise PLC-high speed mcu system, N road temperature sensor signal amplifying circuit, N road heater drive circuit and guidance panel; The PLC-high speed mcu system is made up of PLC, high-speed microprocessor, level shifting circuit, sense of current control circuit and PLC-high speed mcu system circuit board; The temperature sensor signal amplifying circuit has the N road; The heater drive circuit has the N road, and the solid-state relay that each route band photoelectricity is isolated, heating collar and single-phase automatic air-break switch are formed; Guidance panel is made up of matrix keyboard, dot matrix lcd module, liquid crystal display mode block controller, touch-screen, touch screen interface circuit, button, temperature control power switch, light emitting diode and matrix keyboard and keyboard pcb;
PLC is connected with high-speed microprocessor, interconnective level shifting circuit and sense of current control circuit by binding post, also by binding post connection matrix keyboard;
Form 8 bit data bus by the I/O port of PLC between PLC and the high-speed microprocessor and 4 bit address buses link, high-speed microprocessor obtains the various work state informations of full-automatic injecting blowing plastic blow moulding machine, one of foundation of selecting as the control parameter of temperature Fuzzy PID;
High-speed microprocessor directly is connected with button, also connect the touch screen interface circuit by binding post, the touch screen interface circuit connects touch-screen, and high-speed microprocessor obtains temperature controlling value of setting and control command in view of the above, as two of the foundation of the control parameter selection of temperature Fuzzy PID;
12 A/D converters in the inner N road of high-speed microprocessor are connected with N road temperature sensor signal amplifying circuit, N road temperature sensor signal amplifying circuit by splicing ear respectively with corresponding temperature sensor connection, the live signal of acquisition temperature;
High-speed microprocessor is connected by the control end of the solid-state relay that binding post and band photoelectricity are isolated, and solid-state relay is connected with heating collar or heating tube respectively;
High-speed microprocessor is connected the liquid crystal display mode block controller by binding post with binding post, liquid crystal display mode block controller tie point battle array LCD MODULE is realized the monitoring to temperature; The span of above-mentioned N is: N=4 or 8.
Each road temperature sensor signal amplifying circuit of described N road temperature sensor signal amplifying circuit is by bridge detection circuit, low pass filter, operational amplifier is formed: temperature sensor, bridge detection circuit resistance I, II, III, IV, V, diode is formed bridge detection circuit, one end ground connection of temperature sensor, the connecting line of the other end of temperature sensor and bridge detection circuit resistance I is as an output of bridge detection circuit, and connect by filter capacitor I, the wave filter that II and filter resistance are formed, the common junction of filter resistance and filter capacitor II is connected first resistance, and first resistance is connected with an input of operational amplifier; Diode one terminates on the tie point of bridge detection circuit resistance V (33) bridge detection circuit resistance IV, other end ground connection, the connecting line of bridge detection circuit resistance V and bridge detection circuit resistance III is as another output of bridge detection circuit and be connected second resistance, and second resistance is connected with another input of operational amplifier; First electric capacity is connected in two inputs of operational amplifier in parallel, feedback resistance is between the output of input of operational amplifier and operational amplifier, second electric capacity is connected in parallel between operational amplifier output terminal and the ground, and the output of operational amplifier is connected with the input of the A/D converter of high-speed microprocessor inside; The span of above-mentioned N is: N=4 or 8.
Solid-state relay, heating collar and single-phase automatic air-break switch that the heater drive circuit is isolated by band photoelectricity are formed, the control end one end ground connection of solid-state relay, another control end is connected with the I/O port of high-speed microprocessor by binding post, an end and heating collar, single-phase automatic air-break switch and 220V AC power that solid-state relay output drives port are linked in sequence, and the other end of output driving port is connected with the other end of 220V AC power and forms the loop with above-mentioned single-phase automatic air-break switch, heating collar.
Guidance panel is by matrix keyboard, dot matrix lcd module, the liquid crystal display mode block controller, touch-screen, the touch screen interface circuit, button, temperature control power switch, light emitting diode and matrix keyboard and keyboard pcb are formed, matrix keyboard is connected with PLC by binding post, dot matrix lcd module is connected with the liquid crystal display mode block controller, touch-screen is connected with the touch screen interface circuit, the liquid crystal display mode block controller is connected high-speed microprocessor with the touch screen interface circuit by binding post, button directly is connected with high-speed microprocessor with light emitting diode, touch-screen covers above the display screen of dot matrix lcd module, matrix keyboard, button and light emitting diode are installed on matrix keyboard and the keyboard pcb, PLC-high speed mcu system circuit board is installed in below the keyboard pcb, and temperature control power switch is installed in the left side on the guidance panel.
Because adopt said structure, the full-automatic injecting blowing plastic blow moulding machine temperature control equipment of the utility model has following beneficial effect:
One, temperature control equipment can be revised fuzzy control parameter automatically according to the height of full-automatic injecting blowing plastic blow moulding machine job step and the temperature control value of setting, reaches the effect of high-precision temperature control:
In the full-automatic injecting blowing plastic blow moulding machine temperature control equipment of the utility model, single-chip microcomputer is formed being connected of 8 bit data bus and 4 bit address buses with the I/O port of PLC, obtain the work state information of full-automatic injecting blowing plastic blow moulding machine, by being connected of button or touch-screen and single-chip microcomputer, the temperature controlling value is set, the foundation of selecting as the control parameter of temperature Fuzzy PID; 12 A/D converters of single-chip microcomputer inside are connected with the temperature sensor signal amplifying circuit, are connected with temperature sensor then to obtain the data signal of temperature; Single-chip microcomputer is by connecting the liquid crystal display mode block controller to realize the monitoring to temperature.Therefore, can revise fuzzy control parameter automatically according to the job step of full-automatic injecting blowing plastic blow moulding machine and the height of the temperature control value of setting, thereby reach the effect of high-precision temperature control; Since temperature control parameter be according to full-automatic injecting blowing plastic blow moulding machine different operating state down and the temperature controlling value by the variate-value that fuzzy language is set in the high-speed microprocessor program, fuzzy temperature algorithm can select to control parameter for the running status of the full-automatic injecting blowing plastic blow moulding machine of single-chip microcomputer according to 8 bit data bus and the 4 bit address bus transfer of PLC automatically, make the full-automatic injecting blowing plastic blow moulding machine when not annotating bottle blowing as yet, heating process overshoot can not surpass temperature value of setting 2.5%, the full-automatic injecting blowing plastic blow moulding machine can reach temperature overshoot equally and can not surpass temperature value of setting 2.5% when normally annotating bottle blowing.
Two, systemic price ratio height:
The full-automatic injecting blowing plastic blow moulding machine temperature control equipment of the utility model PLC-SCM system and temperature sensor signal amplifying circuit thereof, the structure that heater drive circuit and guidance panel are formed, just can revise fuzzy control parameter automatically according to the height of full-automatic injecting blowing plastic blow moulding machine job step and the temperature control value of setting, automatically adjust the effect of temperature control, the field engineer can revise the PLC control program at the scene at the technological requirement of difference system bottle material and goods bottle shape technique change and notes bottle blowing, need not to increase in addition hardware, system price is reasonable, entire system cost performance height.
Three, automaticity and reliability height, simple to operate:
When using the full-automatic injecting blowing plastic blow moulding machine temperature control equipment of the utility model, a button in only need pushing button, this temperature control equipment enters promptly that the temperature controlling value is provided with state or temperature control parameter is provided with state, at this moment, the operator only needs operation push-button or touch-screen, can state parameter setting be set to 4 road or 8 tunnel temperature control value of setting or the control of 4 road or 8 tunnel temperature, the temperature control process is full automatic, the reliability height, do not need to use other equipment, it is very convenient to operate.
Four, man-machine interface close friend:
The full-automatic injecting blowing plastic blow moulding machine temperature control equipment of the utility model carries out in the temperature control process, can show the dynamic value of 8 tunnel temperature in real time and controlling value is set by the LCD MODULE on the guidance panel, be provided with in the temperature control parametric procedure by operation matrix keyboard or touch-screen, also can show the parameter value that is provided with by LCD MODULE, operating process comes into plain view, man-machine interface close friend.
Five, control device adopts widely used PID fuzzy control in the present engineering reality, and its apparatus structure is simple, and parameter is regulated good stability, reliable operation, easy to adjust.
Below, in conjunction with the accompanying drawings and embodiments to the full-automatic injecting blowing plastic blow moulding machine temperature control equipment of the utility model technical characterictic be further described.
Description of drawings
Fig. 1: the structural principle block diagram of the full-automatic injecting blowing plastic blow moulding machine temperature control equipment of the utility model;
Fig. 2: the PLC-high speed mcu system circuit diagram of the full-automatic injecting blowing plastic blow moulding machine temperature control equipment of the utility model;
Fig. 3: the temperature sensor signal amplification circuit diagram of the full-automatic injecting blowing plastic blow moulding machine temperature control equipment of the utility model;
Fig. 4: the heater drive circuit figure of the full-automatic injecting blowing plastic blow moulding machine temperature control equipment of the utility model;
Fig. 5: the guidance panel schematic diagram of the full-automatic injecting blowing plastic blow moulding machine temperature control equipment of the utility model.
Among the figure:
The I-PLC-high speed mcu system, II-temperature sensor signal amplifying circuit,
III-heater drive circuit, the IV-guidance panel;
1-PLC, 2-high-speed microprocessor, 4-matrix keyboard, the 5-dot matrix lcd module, 6-touch-screen, 7-liquid crystal display mode block controller, 8-touch screen interface circuit, 9-level shifting circuit, 10-sense of current control circuit, the 11-button, 12-light emitting diode, 13,14,16, the 17-binding post, 15 (II)-temperature sensor signal amplifying circuits, 18, the 21-solid-state relay, 19, the 22-heating collar, 20, the 23-temperature sensor, the 24-8 bit data bus, 25-4 bit address bus, 26-diode, 27-filter resistance, 28-first resistance, 29,30,31,32,33-bridge detection circuit resistance I, II, III, IV, V, 34-second resistance, 35-feedback resistance, 36,37-filter capacitor I, II, 38-first electric capacity, 39-second electric capacity, 40-operational amplifier, the single-phase automatic air-break switch of 41-, 42-temperature control power switch, 43-matrix keyboard and keyboard pcb, 44-PLC-high speed mcu system circuit board.
The specific embodiment
A kind of full-automatic injecting blowing plastic blow moulding machine temperature control equipment is made up of PLC-high speed mcu system I, temperature sensor signal amplifying circuit II, heater drive circuit III and guidance panel IV;
As shown in Figure 1 and Figure 2: PLC-high speed mcu system I is made up of PLC1, high-speed microprocessor 2, level shifting circuit 9, level directional control circuit 10 and PLC-high speed mcu system circuit board 44, and high-speed microprocessor 2, level shifting circuit 9 and level shifting circuit 10 are installed on the PLC-high speed mcu system circuit board 44.
Temperature sensor signal amplifying circuit II has 8 the tunnel, and each road temperature sensor signal amplifying circuit is made up of bridge detection circuit, low pass filter, operational amplifier.
Solid-state relay 18 and solid-state relay 21 that heater drive circuit III is isolated by band photoelectricity, heating collar 19 and heating collar 22, single-phase automatic air-break switch 41 is formed, the control end one end ground connection of solid-state relay 18 and solid-state relay 21, another control end is connected with the I/O port of high-speed microprocessor 2 by binding post 16, solid-state relay 18 or solid-state relay 21 outputs drive an end and the heating collar 19 or the heating collar 22 of port, single-phase automatic air-break switch 41 and 220V AC power are linked in sequence, the other end that output drives port be connected with the other end of 220V AC power and with above-mentioned single-phase automatic air-break switch 41, heating collar 19 or heating collar 22 form the loop (referring to Fig. 1, Fig. 4);
Guidance panel IV is by matrix keyboard 4, dot matrix lcd module 5, liquid crystal display mode block controller 7, touch-screen 6, touch screen interface circuit 8, button 11, temperature control power switch 42, light emitting diode 12 and matrix keyboard and keyboard pcb 43 are formed, matrix keyboard 4 is connected with PLC1 with binding post 14 by binding post 13, dot matrix lcd module 5 is connected with liquid crystal display mode block controller 7, touch-screen 6 is connected with touch screen interface circuit 8, liquid crystal display mode block controller 7 is connected with high-speed microprocessor 2 with binding post 14 by binding post 13 with touch screen interface circuit 8, button 11 directly is connected with high-speed microprocessor 2 with light emitting diode 12, touch-screen 6 covers above the display screen of dot matrix lcd module 5, matrix keyboard 4, button 11 and light emitting diode 12 are installed on matrix keyboard and the keyboard pcb 43, PLC-high speed mcu system circuit board 44 is installed in below the keyboard pcb 43, and temperature control power switch 42 is installed in the left side on the guidance panel IV (referring to Fig. 1, Fig. 5).
PLC1 is connected with high-speed microprocessor 2, interconnective level shifting circuit 9 and sense of current control circuit 10 by binding post 14, also by binding post 14 and 13 connection matrix keyboards 4;
Form 8 bit data bus 24 by the I/O port of PLC1 between PLC1 and the high-speed microprocessor 2 and 4 bit address buses 25 link, high-speed microprocessor 2 obtains the various work state informations of full-automatic injecting blowing plastic blow moulding machines, one of foundation of selecting as the control parameter of temperature Fuzzy PID;
High-speed microprocessor 2 directly is connected with button 11, also connect touch screen interface circuit 8 by binding post 14,13, touch screen interface circuit 8 connects touch-screen 6, high-speed microprocessor 2 obtains temperature controlling value of setting and control commands in view of the above, as one of foundation of the control parameter selection of temperature Fuzzy PID;
2 inner 8 tunnel 12 A/D converters of high-speed microprocessor are connected with 8 road temperature sensor signal amplifying circuit II, and 8 road temperature sensor signal amplifying circuit II connect with corresponding temperature sensor 20 or 23 respectively by splicing ear 17, obtain the live signal of temperature;
High-speed microprocessor 2 is connected with the solid-state relay 18 of band photoelectricity isolation or 21 control end by binding post 16, solid-state relay 18 or 21 be connected with heating collar 19 or 22 respectively;
High-speed microprocessor 2 is connected liquid crystal display mode block controller 7 by binding post 14 with binding post 13, and liquid crystal display mode block controller 7 connects dot matrix lcd module 5, realizes the monitoring to temperature;
Temperature sensor signal amplifying circuit II has 8 the tunnel, and each road temperature sensor signal amplifying circuit is made up of bridge detection circuit, low pass filter, operational amplifier 40:
Temperature sensor 20 or 23, bridge detection circuit resistance I29, II30, III31, IV32, V33, diode 26 is formed bridge detection circuit, temperature sensor 20 or 23 an end ground connection, the connecting line of bridge detection circuit resistance I29 and temperature sensor 20 or 23 is as an output of bridge detection circuit, and connect the wave filter of forming by filter capacitor I36, II37 and filter resistance 27, the common junction of filter resistance 27 and filter capacitor II37 is connected first resistance, 28, the first resistance 28 and is connected with an input of operational amplifier 40; Diode 26 1 terminates on the tie point of bridge detection circuit resistance V33 and bridge detection circuit resistance IV32, other end ground connection, the connecting line of bridge detection circuit resistance V33 and bridge detection circuit resistance III31 is as another output of bridge detection circuit and be connected second resistance, 34, the second resistance 34 and be connected with another input of operational amplifier 40; First electric capacity 38 is connected in two inputs of operational amplifier 40 in parallel, feedback resistance 35 is between the output of input of operational amplifier 40 and operational amplifier, second electric capacity 39 is connected in parallel between operational amplifier 40 outputs and the ground, and the output of operational amplifier 40 is connected (referring to Fig. 3) with the input of the A/D converter of high-speed microprocessor inside;
The PLC that the utility model adopts has the PLC that output port is the transistor collector function of open, and available model has FX2N-80MT, FX2N-128MT.
The high-speed microprocessor that the utility model adopts is to be the high-speed microprocessor of kernel with 8051, has the above crystal oscillator frequency of 25MHz, instruction is implemented as pipeline system, the inner A/D commentariess on classics-parallel operation that embeds 8 tunnel 12 and 8 tunnel 8,64 I/O mouths, output port is able to programme to be set to recommend output or to leak the high-speed microprocessor of the output function of grade opening a way, available model has C8051F020, C8051F040, C8051F120, C8051F124.
A kind of conversion as the utility model embodiment: the way N of described temperature sensor signal amplifying circuit II also can have only 4 the tunnel; Corresponding with it, its heater drive circuit III also has only 4 the tunnel.
A kind of conversion as the utility model embodiment: heating collar 19 and heating collar 22 among the described heater drive circuit III can also replace with heating tube, and corresponding annexation is constant.
Below, the course of work of the full-automatic injecting blowing plastic blow moulding machine temperature control equipment of the utility model is described in conjunction with Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5:
One, the setting of temperature control parameter:
1, closed temperature control power switch 41, PLC-high speed mcu system I energising pushes button 11, and temperature control equipment enters the temperature controlling value state is set, and at this moment, can use one of following 2 kinds of modes and be provided with:
1. button setting: import 8 tunnel temperature respectively by button 11 controlling value is set,
2. touch-screen setting: import 8 tunnel temperature respectively by touch-screen 6 controlling value is set;
2, push button 11 again, make temperature control equipment enter temperature control parameter state is set, can use one of following 2 kinds of modes and be provided with:
1. button setting: import the control of 8 tunnel temperature respectively by button 11 state parameter is set;
2. touch-screen setting: import the control of 8 tunnel temperature respectively by touch-screen 6 state parameter is set;
3, show the pid parameter initial value of full-automatic injecting blowing plastic blow moulding machine under the different operating state by dot matrix lcd module 5.
Two, temperature controlled processes
The full-automatic injecting blowing plastic blow moulding machine temperature control equipment of the utility model is a closed loop fuzzy temperature control equipment, and whole temperature control process is full-automatic.The full-automatic injecting blowing plastic blow moulding machine in normal operation, by temperature sensor 20 and temperature sensor 23 temperature information is converted into the telecommunications breath, bridge detection circuit by temperature sensor signal amplifying circuit II, through filter capacitor I36, the low pass filter that filter capacitor II37 and filter resistance 27 are formed, temperature signal is applied to operational amplifier 40, A/D converter through high-speed microprocessor 2 after temperature signal amplifies is converted to data signal, this data signal and temperature are provided with controlling value and relatively obtain difference in the back, pass through the fuzzy algorithm again, controlled value, controlling value is converted to square wave with certain dutycycle, drive heating collar or heating tube 19 through the I/O of high-speed microprocessor 2 mouth output control solid-state relay 18 and solid-state relay 21,22 heating power, the dot matrix lcd module 5 on the guidance panel IV shows the dynamic value of 8 tunnel temperature in real time and controlling value is set.
Claims (5)
1, a kind of full-automatic injecting blowing plastic blow moulding machine temperature control equipment, it is characterized in that: this temperature control equipment is by PLC-high speed mcu system (I), temperature sensor, the closed loop fuzzy temperature control equipment that temperature sensor signal amplifying circuit (II), N road heater drive circuit (III) and guidance panel (IV) are formed;
Described PLC-high speed mcu system (I) is made up of PLC (1), high-speed microprocessor (2), level shifting circuit (9), sense of current control circuit (10) and PLC-high speed mcu system circuit board (44);
Described temperature sensor signal amplifying circuit (II) has the N road;
Described heater drive circuit (III) has the N road, and the solid-state relay (18,21) that each route band photoelectricity is isolated, heating collar (19,22) and single-phase automatic air-break switch (41) are formed;
Described guidance panel (IV) is made up of matrix keyboard (4), dot matrix lcd module (5), liquid crystal display mode block controller (7), touch-screen (6), touch screen interface circuit (8), button (11), temperature control power switch (42), light emitting diode (12) and matrix keyboard and keyboard pcb (43);
PLC (1) is connected with high-speed microprocessor (2), interconnective level shifting circuit (9) and sense of current control circuit (10) by binding post (14), also by binding post (14) and binding post (13) connection matrix keyboard (4);
Form 8 bit data bus (24) by the I/O port of PLC (1) between PLC (1) and the high-speed microprocessor (2) and 4 bit address buses (25) link, high-speed microprocessor (2) obtains the various work state informations of full-automatic injecting blowing plastic blow moulding machine, one of foundation of selecting as the control parameter of temperature Fuzzy PID;
High-speed microprocessor (2) directly is connected with button (11), also connect touch screen interface circuit (8) by binding post (14,13), touch screen interface circuit (8) connects touch-screen (6), high-speed microprocessor (2) obtains temperature controlling value of setting and control command in view of the above, as two of the foundation of the control parameter selection of temperature Fuzzy PID;
12 A/D converters in the inner N of high-speed microprocessor (2) road are connected with N road temperature sensor signal amplifying circuit (II), N road temperature sensor signal amplifying circuit (II) connects with corresponding temperature sensor (20) or (23) respectively by splicing ear (17), obtains the live signal of temperature;
High-speed microprocessor (2) is connected with the solid-state relay (18) of band photoelectricity isolation or the control end of (21) by binding post (16), and solid-state relay (18) or (21) are connected with heating collar or heating tube (19) or (22) respectively;
High-speed microprocessor (2) is connected liquid crystal display mode block controller (7) by binding post (14) with binding post (13), and liquid crystal display mode block controller (7) connects dot matrix lcd module (5), realizes the monitoring to temperature; The span of above-mentioned N is: N=4 or 8.
2, a kind of full-automatic injecting blowing plastic blow moulding machine temperature control equipment according to claim 1, it is characterized in that: each road temperature sensor signal amplifying circuit of described N road temperature sensor signal amplifying circuit (II) is by bridge detection circuit, low pass filter, operational amplifier (40) is formed: temperature sensor (20) or (23), bridge detection circuit resistance I, II, III, IV, V (29,30,31,32,33), diode (26) is formed bridge detection circuit, one end ground connection of temperature sensor (20) or (23), the connecting line of the other end of temperature sensor (20) or (23) and bridge detection circuit resistance I (29) is as an output of bridge detection circuit, and connect by filter capacitor I, II (36,37) and the wave filter formed of filter resistance (27), the common junction of filter resistance (27) and filter capacitor II (37) is connected first resistance (28), and first resistance (28) is connected with an input of operational amplifier (40); Diode (26) one terminates on the tie point of bridge detection circuit resistance V (33) and bridge detection circuit resistance IV (32), other end ground connection, the connecting line of bridge detection circuit resistance V (33) and bridge detection circuit resistance III (31) is as another output of bridge detection circuit and be connected second resistance (34), and second resistance (34) is connected with another input of operational amplifier (40); First electric capacity (38) is connected in two inputs of operational amplifier (40) in parallel, feedback resistance (35) is positioned between the output of input of operational amplifier (40) and operational amplifier, second electric capacity (39) is connected in parallel between operational amplifier (40) output and the ground, the output of operational amplifier (40) is connected with the input of the A/D converter of high-speed microprocessor inside, and the span of above-mentioned N is: N=4 or 8.
3, a kind of full-automatic injecting blowing plastic blow moulding machine temperature control equipment according to claim 1 and 2, it is characterized in that: described solid-state relay (18) or (21) that isolate by band photoelectricity, in the heater drive circuit (III) that heating collar (19) or (22) and single-phase automatic air-break switch (41) are formed, the control end one end ground connection of solid-state relay (18) or (21), another control end is connected with the I/O port of high-speed microprocessor (2) by binding post (16), described solid-state relay (18) or (21) output drive an end and heating collar (19) or (22) of port, single-phase automatic air-break switch (41) and 220V AC power are linked in sequence, the other end that output drives port be connected with the other end of 220V AC power and with above-mentioned single-phase automatic air-break switch (41), heating collar (19) or (22) form the loop.
4, a kind of full-automatic injecting blowing plastic blow moulding machine temperature control equipment according to claim 1 and 2 is characterized in that: in described guidance panel (IV) module of being made up of matrix keyboard (4), dot matrix lcd module (5), liquid crystal display mode block controller (7), touch-screen (6), touch screen interface circuit (8), button (11), temperature control power switch (42), light emitting diode (12) and matrix keyboard and keyboard pcb (43); Described dot matrix lcd module (5) is connected with liquid crystal display mode block controller (7), touch-screen (6) is connected with touch screen interface circuit (8), liquid crystal display mode block controller (7) and touch screen interface circuit (8) are by binding post (13,14) connect high-speed microprocessor (2), button (11) directly is connected with high-speed microprocessor (2) with light emitting diode (12), touch-screen (6) covers above the display screen of dot matrix lcd module (5), matrix keyboard (4), button (11) and light emitting diode (12) are installed on matrix keyboard and the keyboard pcb (43), PLC-high speed mcu system circuit board (44) is installed in below the keyboard pcb (43), and temperature control power switch (42) is installed in the left side on the guidance panel (IV).
5, a kind of full-automatic injecting blowing plastic blow moulding machine temperature control equipment according to claim 3 is characterized in that: in described guidance panel (IV) module of being made up of matrix keyboard (4), dot matrix lcd module (5), liquid crystal display mode block controller (7), touch-screen (6), touch screen interface circuit (8), button (11), temperature control power switch (42), light emitting diode (12) and matrix keyboard and keyboard pcb (43); Described dot matrix lcd module (5) is connected with liquid crystal display mode block controller (7), touch-screen (6) is connected with touch screen interface circuit (8), liquid crystal display mode block controller (7) and touch screen interface circuit (8) are by binding post (13,14) connect high-speed microprocessor (2), keyboard (11) directly is connected with high-speed microprocessor (2) with light emitting diode (12), touch-screen (6) covers above the display screen of dot matrix lcd module (5), matrix keyboard (4), button (11) and light emitting diode (12) are installed on matrix keyboard and the keyboard pcb (43), PLC-high speed mcu system circuit board (44) is installed in below the keyboard pcb (43), and temperature control power switch (42) is installed in the left side on the guidance panel (IV).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620098217 CN2933831Y (en) | 2006-07-31 | 2006-07-31 | Temperature control device of full-automatic blowing plastic hollow molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620098217 CN2933831Y (en) | 2006-07-31 | 2006-07-31 | Temperature control device of full-automatic blowing plastic hollow molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2933831Y true CN2933831Y (en) | 2007-08-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200620098217 Expired - Fee Related CN2933831Y (en) | 2006-07-31 | 2006-07-31 | Temperature control device of full-automatic blowing plastic hollow molding machine |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101131579B (en) * | 2007-10-10 | 2011-05-04 | 宁波弘讯科技有限公司 | Novel man-machine control device for injection molding machine and production surface control method |
| CN103727577A (en) * | 2013-12-16 | 2014-04-16 | 李恒 | Intelligent electric warmer |
| CN110568812A (en) * | 2019-09-10 | 2019-12-13 | 满誉(福建)制鞋机械有限公司 | PLC-based multi-path temperature centralized inspection device for shoe machine |
| TWI684745B (en) * | 2018-08-08 | 2020-02-11 | 國立高雄科技大學 | Calibration system for optical lens mold |
| TWI703306B (en) * | 2018-08-08 | 2020-09-01 | 國立高雄科技大學 | Correction method of optical lens mold |
-
2006
- 2006-07-31 CN CN 200620098217 patent/CN2933831Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101131579B (en) * | 2007-10-10 | 2011-05-04 | 宁波弘讯科技有限公司 | Novel man-machine control device for injection molding machine and production surface control method |
| CN103727577A (en) * | 2013-12-16 | 2014-04-16 | 李恒 | Intelligent electric warmer |
| TWI684745B (en) * | 2018-08-08 | 2020-02-11 | 國立高雄科技大學 | Calibration system for optical lens mold |
| TWI703306B (en) * | 2018-08-08 | 2020-09-01 | 國立高雄科技大學 | Correction method of optical lens mold |
| CN110568812A (en) * | 2019-09-10 | 2019-12-13 | 满誉(福建)制鞋机械有限公司 | PLC-based multi-path temperature centralized inspection device for shoe machine |
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Granted publication date: 20070815 Termination date: 20110731 |