CN1824490A - Energy saving control system of rubber injection shaping machine - Google Patents
Energy saving control system of rubber injection shaping machine Download PDFInfo
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- CN1824490A CN1824490A CNA2006100492158A CN200610049215A CN1824490A CN 1824490 A CN1824490 A CN 1824490A CN A2006100492158 A CNA2006100492158 A CN A2006100492158A CN 200610049215 A CN200610049215 A CN 200610049215A CN 1824490 A CN1824490 A CN 1824490A
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Abstract
The present invention relates to a rubber injection moulding machine energy-saving control system. It includes frequency converter drive motor, liquid pressure and flow rate sensor, temperature sensor and power supply circuit. Its energy-saving control system is formed from monitoring controller, technological process control module, temperature sampling and control module and frequency converter drive control module. Said invention also provides the working principle and operation method of said system.
Description
Technical field
The present invention relates to a kind of energy saving control system of frequency conversion in use, particularly the energy-saving and frequency-variable control technology of rubber injection moulding machine drive motors realizes colony's centralized Control and remote energy-saving supervision in to rubber injection moulding machine technological process control.
Background technology
Various drive motors are owing to the variation of working environment, and variation is also followed in its load, and the therefore fixing power output and the energy dissipation that difference produced of actual load become one of current Research on Saving Energy direction of drive motors.In the rubber injection moulding machine hydraulic system, the principle of selecting pump generally is to add certain allowance according to the maximum stream flow of system.In actual production process, drive motors always drives the required maximum stream flow of hydraulic pump output operating mode with stable rotating speed, but in rubber injection moulding machine working cycles process, the required flow of each link is inequality, when low discharge, have more the overflow of flow passing ratio overflow valve, this just causes the lot of energy waste; Be again in the hydraulic pressure cyclic process, the flow of actual needs is more little, and choke valve and overflow valve work are frequent more, and overflow, throttling loss are big more, and oil heats up fast more, not only power consumption big more and also since the oil temperature rise and operating mode changed influence the stable operation of system.CN1140859C proposes a kind of frequency conversion and electrohydraulic proportion technology composite speed regulating system and method, this method is by detecting start cylinder piston position signal, after MICROCOMPUTER PROCESSING, send the adjusting overflow simultaneously, throttling and FM signal, simultaneously to overflow valve, choke valve and Oil pump electrical machinery are adjusted, has certain energy-saving effect, but the start cylinder is gone in the dependence overflow piston rod displacement generation signal is seriously lagged behind, and spillway discharge be zero or when infinitely great piston rod to be in the position of being failure to actuate all be no signal, therefore depend merely on and detect piston rod position poor reliability and other very important variations, the for example variation of environment temperature and oil temperature, therefore need a kind of detection that comprises system temperature by detection of design to actual process parameter, reach timely control drive motors and export as required, improve energy-saving effect.
Summary of the invention
The objective of the invention is at present rubber injection moulding machine to design the technological parameter in a kind of direct monitoring course of action, technological parameter at that time is converted into required flow realizes rotating speed control drive motors in the existing problem of energy resource consumption.
Another object of the present invention is by Monitoring and Controlling module composition control colony and with main work station interconnection with several rubber injection moulding machines, realize the digital management of control colony, and data are delivered to supervision center by the internet, realize remote diagnosis and upgrading administration of energy conservation.
The present invention realizes above-mentioned target with following technical proposals:
Energy saving control system of rubber injection shaping machine, it comprises variable frequency drive motors, fluid pressure and flow sensor, temperature sensor and power circuit, it is characterized in that energy-saving control system is made up of monitor controller, technological process control module, temperature sampling and control module and Frequency Drive Control module; The input of technological process control module, temperature detection and control module and Frequency Drive Control module is connected with the output of monitor controller respectively, and the output of technological process control module, temperature detection and control module and Frequency Drive Control module is connected with the input of monitor controller respectively.
The energy-conservation centralized control system of rubber injection moulding machine, it is characterized in that establishing one by the decide control centre of work station of microcomputer, its output and input are connected with input with the output of several monitor controllers respectively, and wherein the output of arbitrary monitor controller and input also are connected with the output and the input of technological process controller, temperature detection and controller and Frequency Drive Control device respectively.
" rubber and plastic injection moulding energy-saving control system " service software in the microsystem design and installation of host work station, the service software of installing on the logical host work station just can be realized exchanging with the data of continuous each monitor controller of master station, realize the production of each rubber injection moulding machine of centralized management, and remote maintenance.
The principal element that influences the injection (mo(u)lding) machine energy consumption has injection volume, injection pressure and injection rate, and the basic size of plasticizing capacity, mold clamping force, mould and mold closing mechanism is also influential to the energy consumption of machine.The power transmission of injecting systems is an injection cylinder, and the flow of injection cylinder and source pressure are in the gear pump that is driven by drive motors, thereby the injection (mo(u)lding) machine Energy Saving Control ascribes the control to the drive motors rotating speed to, rotating speed based on the control drive motors can reach the flow of control pump, and at first the technological process according to rubber injection moulding machine requires to determine the frequency signal F of converter plant output based on changes in flow rate
q=K
1* D * F
Max
K wherein
1Be gain coefficient, can be according to different machines and hydraulic system adjustment, D is the flow system flow of current technique initialization, F
MaxBe the highest frequency of frequency-conversion drive apparatus output, F
qFrequency signal based on the flow system flow variation.
Its less important setting pressure T1 according to system under the present technological conditions does suitably to revise to the above-mentioned frequency that obtains.In order to keep stable flow rate and pressure, motor speed must be greater than the needed a certain minimum speed of system, and this minimum speed is different with the difference of system pressure, can obtain F by prior mensuration
p
Be also will in conjunction with current technological process output frequency further to be revised again according to the rated power P1 of motor.Therefore according to the frequency of monitoring the output of present technological conditions low-converter.
f
max＝K
2×P
1/T
1
K wherein
2Be gain coefficient, can be according to different machines and hydraulic system adjustment, P1 is the rated power of motor, T
1Constant displacement pump oil pressure pressure for current technology.To sum up, the output frequency f of control system is:
Therefore technological process is at that time detected to the current process system flow of oil pressure T1 D, the motor of detection system move rated power P1 respectively, regulate the drive motors output frequency through outputing control signals to frequency converter after the MICROCOMPUTER PROCESSING calculating, thus the control rotating speed of motor.
Present technological conditions also comprises the rising of environment temperature and oil temperature, owing to also there is the smelting process of heating in the rubber forming machine to rubber raw materials, this when variation of ambient temperature for example winter-spring season and summer and autumn required energy consumption difference very big, therefore, testing environment and oil temperature, also be the some of energy saving of system, detect relatively that both computer was determined the only thermal output controlled quentity controlled variable that adds by setting operating temperature and real time temperature.
Monitor controller is set technological parameters such as operating pressure T1, flow D, motor operation rated power P1 according to die parameters, be delivered to the technological process control module by 485 communication ports, by the calculation procedure of technological process module, obtain the frequency values f of system's output and this frequency is passed to the rotating speed that the motor frequency conversion driver module is controlled drive motors by 485 communication ports.
Control realizes the energy-saving and frequency-variable of system is controlled to the technological process major parameter by the technological process control module in the present invention, the frequency control response is fast, realized the load flow coupling, it is many to have solved the long-standing overflow of injection moulding machine hydraulic system, the problem that consumes energy is big, this is one of marked improvement of the present invention.
Another marked improvement of the present invention is with the online control of a plurality of make-up machines, and each monitor controller is parallel on the same host work station, controls the data of each monitor controller by the control software inspection of main frame, realizes field digitized management.Can also transmit host work station control centre to data by the internet, realize that Long-distance Control is energy-conservation, diagnosis and maintenance service.
Description of drawings
Fig. 1 is an energy-saving control system block diagram of the present invention.
Fig. 2 is the monitor controller structured flowchart.
Fig. 3 is the monitor controller circuit diagram.
Fig. 4 is a technological process control module structured flowchart.
Fig. 5 is a technological process control module circuit diagram.
Fig. 6 is temperature sampling and control module block diagram.
Fig. 7 is temperature sampling and control module circuit diagram.
Fig. 8 is Frequency Drive Control modular structure figure.
Fig. 9 is the Frequency Drive Control module circuit diagram.
The specific embodiment
Monitor controller (A, B, C......) structure, referring to Fig. 2 and Fig. 3, monitor controller 1 is formed by being connected to its input output reset circuit 2, data storage 3, logic decoding 4,485 communication ports 5, LCD demonstration 6, network interface 7 and keyboard indicator lamp 8 respectively.
Monitoring and Controlling master chip circuit 1:CPU chip is INTER80196KC.
Reset circuit 2: reset circuit mainly adopts IMP809 and diode D20, and system is resetted, thus the operate as normal of the system of assurance.
Data storage 3: adopt memory chip 27C512 extender space, adopt chip 28C256 expansion die parameters memory space.
Logic decoding 4: adopt the chip GAL16V8 of LT company to carry out logic decoding, each chip operation of gating.
485 communication ports 5: interface employing chip 75LBC184 and resistance R 51, R52, R53, R54, R55, R56, R57, capacitor C 51, C52 constitute standard 485 asynchronous communication circuit, carry out exchanges data with other functional module.
LCD shows 6: data/address bus links to each other with liquid crystal display by chip 74LS245, and the needs data presented is passed to liquid crystal display.
Network interface 7: by chip MAX485 and N71, N72, N73, resistance R 71, R72, R73, R74, R75, R76, R77, capacitor C 71, C72, C73 constitute network interface, can realize interconnection with the host work station by this interface.
Keyboard indicator lamp 8: by light emitting diode L80, button K80, resistance R 81, R82, R83 form, and have 64 key circuits, and 7 refer to lamp, and Fig. 3 only retouches out one group.
Monitor controller is work like this, the user can set, revise the parameters such as pressure, flow, time-delay of each technological process by the keyboard on the monitor controller 8 and LCDs 6, the data that configure are stored in the data storage 3, and pass to technological process control module 11 by 485 communication ports 5.Data storage 3 is used for storing the die parameters of use.Can also monitor state of the art information, the warning message that transmits from the technological process control module by LCDs 6, the real time temperature, the heated condition that transmit from temperature detection and control module 21, the voltage of the motor operation of transmitting from motor frequency conversion driver module 31, electric current, frequency information etc.Can realize the interconnection of monitor controller by network interface 7 in addition with the host work station, by being installed in the system service software on the host work station, can browse the data of each monitor controller, also can be delivered to maintenance general headquarters to data, realize remote diagnosis, maintenance and program upgrade by the internet.
Technological process control module structure, referring to Fig. 4 and Fig. 5, technological process control module 11 is connected to digital quantity input 12, data storage 13, logic pool sign indicating number 14,485 communication ports 15, analog quantity output 17 and 18 compositions of control figure amount relay output of technological process control module 11 outputs respectively by the digital quantity input 12 that is connected to its input respectively, data storage 13, logic decoding 14,485 communication ports 15 and analog quantity input 16.
Controller master chip 11:CPU has adopted INTER80196KC.
Digital quantity input 12: the digital quantity input circuit has 32 tunnel parameters input that can monitor, retouches out wherein one tunnel input, adopts resistance R 121, capacitor C 121, light idol TLP521 to constitute.
Pressure sensor can adopt semiconductor pressure foil gauge, hall current detector, photoelectricity coupled voltages detector.
Data storage 13: adopt chip 27C512 to expand the program space, adopt 6264 to expand data space.
Logic decoding 14: adopt chip GAL16V8 to carry out logic decoding, each chip operation of gating.
485 communication ports 15: interface adopts chip 75LBC 184, optocoupler N11, N12, N13, reach resistance R 151, R152, R153, R154, R155, R156, R157, capacitor C 151, C152, C153 constitute standard 485 asynchronous communications, carry out exchanges data with other functional module.
Simulated measurement input circuit 16: diode D161, D162, resistance R 161, R162, R163, R164, R165, R166, R167, R168, R169, capacitor C 161, C162, C163, C164 and amplifier U161, U162 constitute sample circuit; Resistance R 1691, R1692, R1693, R1694, diode D163, capacitor C 161, C165, E161, amplifier LM358 constitutes the analog sampling voltage reference.
Analogue quantity output circuit 17: by diode D1701, resistance R 1701, R1702, R1703, R1704, R1705, R1706, R1707, R1708, R1709, R1710, R1711, R1712, adjustable resistance VR1701, capacitor C 1701, C1702, C1703, amplifier LM324 and power amplifier tube T1701 constitute.
Control figure amount relay output 18: by light idol TLP521, resistance R 181, R183, R184, triode Q181, relay R LY181 constitute one tunnel output, export 32 the tunnel altogether by 8155 chips, and Fig. 5 only retouches out 2 the tunnel.
The technological process control module is work like this.When getting electric initialization, the technological process control module is stored into these parameters in the data storage 13 after obtaining die parameters, operational factor by 485 communication interfaces 15 from monitor controller A; Obtain position analog signal input value by analog quantity input 16, obtain the technological parameter signal of machine by digital quantity input 12; Technological process controller 11 is according to these input signals and die parameters, operational factor, according to software program control figure amount output 18 of writing typing in advance and analog quantity output 17, wherein digital quantity output 18 is used for controlling the direction valve of hydraulic system, the proportional pressure valve of analog quantity output 17 control hydraulic systems; The flow signal that need export system converts the data signal that the motor frequency conversion driver need be exported to, and this data signal is sent to the Frequency Drive Control device by communication interface 15.
Temperature sampling and control module structure are referring to Fig. 6 and Fig. 7.Temperature sampling and control module 21 are by the memory 22 that inserts its input respectively, memory expansion 23,485 communication ports 24, sample circuit 25, reference voltage 26 and reset circuit 28, and 27 compositions are exported in 485 communication ports 24 of cut-in temperature sampling and control module 21 outputs and relay control.
The chip ATMEGA8 that main control chip 21:CPU has adopted atmel corp to produce.
Memory 22: storage chip is 24c02; 23 is the expansion reservation circuit of memory.
485 communication ports 24: interface employing chip 75LBC184 and optocoupler N241, N242, N243, resistance R 241, R242, R243, R244, R245, R246, R247, capacitor C 241, C242, C243 constitute standard 485 asynchronous communications, carry out exchanges data with other functional module;
Temperature sampling circuit 25: by resistance R 2513, R2512, R2511, R2510, R259, R258, R257, R256, R255, the differential mode that capacitor C 257, C256, C255, C254, amplifier Lm353 constitute temperature signal amplifies; Resistance R 254, R253, R252, R251, capacitor C 251, C252, C253 have constituted the second level of signal and have amplified.The temperature sensor that is connected on sampling resistor R2512, the R2513 can be with semiconductor thermistor or thermocouple.Voltage-stabiliser tube D251, D252 shield, and prevent that input voltage is too high, burn out the I/O mouth of CPU.
Reference voltage 26: by resistance R 261, R262, R263, R264, capacitor C 261, E261, voltage ratio is than Lm358, and diode D261 and chip 74Hc74,74Ls02B form.
Relay output 27: by light idol TLP521, resistance R 271, R272, R273, R274, R275, R276, triode Q270, Q271, diode D271, D272, relay R LY271, RLY272 constitute; Can control the adhesive that adds electrothermal relay by relay output 27.
Temperature sampling and controller are work like this.Obtain the design temperature of machine by communication interface 24 from monitor controller A, obtain the real time temperature and the environment temperature of machine by sample circuit 25; Temperature sampling and controller 21 obtain the difference of design temperature and environment temperature according to design temperature and real time temperature, and the difference of design temperature and actual temperature is two variablees of input variable, carry out three-dimensional expert fuzzy pid control algorithm, calculate the controlled quentity controlled variable that adds thermal output, add the adhesive of electrothermal relay by relay control output 27 controls; The temperature that module obtains sampling by 485 communication ports 24 passes to monitor controller A and technological process control module 11 in real time.
The Frequency Drive Control modular structure is referring to Fig. 8 and shown in Figure 9.Motor frequency conversion driver module 31 is made up of memory 32,485 communication ports 33 that are connected to its input respectively, external signal input 34, power supply control 35, inverter circuit 36, current/voltage frequency detecting 37 and memory 32,485 communication ports 33, inverter circuit 36, current/voltage frequency detecting 37 and 38 of the relay control outputs that are connected to motor frequency conversion driver module 31 outputs respectively; The output of inverter circuit 36 is connected to the input of motor; The input of current/voltage frequency detecting 37 is connected to the output of inverter circuit 36.
Main control chip 31:CPU adopts control chip tms320lf2407, produces waveform control signal.
Memory adopts 32: memory chip adopts serial ports eeprom chip 93C56.
485 communication ports 33: interface employing chip 75LBC184 and N331, N332, N333, resistance R 331, R332, R333, R334, R335, R336, R337, capacitor C 331, C332, C333 constitute standard 485 asynchronous communications, carry out exchanges data with other functional module.
External control signal input 34: form the voltage and current input circuit by resistance R 347, R348, R345, R346, R344, R343; by resistance R 342, R341; capacitor C 342, C344 and LM353 amplify signal, and diode D341, D342 and capacitor C 341 shield.
Power supply control 35: power control part divides the employing single-end flyback switching power supply, 380V AC signal process BDI with input, E356, E357, C356 rectification, conversion, again through D351～D355, electric capacity E351～E354, control voltages such as 5V, the 15V that output control system needs after C351～C355 secondary rectification, 24V.
Inverter circuit 36: export three tunnel control signals respectively by integrated chip 74HC573, by three aurora coupling O361, resistance R 361, R364, capacitor C 361, E361 form VinU/V/W and export the IPM input to by three aurora couplings 0364, resistance R 362, R365, capacitor C 362, E362 form VinX/Y/Z and export the IPM input to; By three aurora couplings 0367, resistance R 363, R366, capacitor C 363, E363 form VinD B and export the IPM input to.Inverter circuit is exported by control signal VinU/V/W and VinX/Y/X control three-phase, thereby obtains the interchange out-put supply of different frequency.
Signal detection 37: by resistance R 372, R373, R374, R375; capacitor C 372, E371; voltage ratio is formed than U371; detect characteristic parameters such as voltage that inverter circuit exports motor to, electric current, frequency; D371 and D372 shield; feed back to the main control chip, thereby realize closed-loop control.
Relay output 38: by triode Q380, diode D381, resistance R 381, R382, R383, relay R LY381, optocoupler TLP521 forms, the signal of output high level when error condition.
Also have signal input 39 in addition: by optocoupler TLP521, resistance R 391, capacitor C 391 is formed, and can realize that by signal input part the functions such as forward and backward selection of drive motors are selected.
The motor frequency conversion driver module is work like this.Receive the frequency that needing to obtain control output by 485 communication ports 33, power supply control 35 will be supplied with intelligent IPM on the one hand behind the three-phase 380V AC rectification, the 5V that one side needs through the controlled system of processing again ,+15V ,-15V, The whole control system is supplied with in galvanic current sources such as+24V.Waveform Control drives 31 frequencies of exporting as required and produces six groups of PWM ripples control inverter circuits 36, produces the alternating current of three-phase changeable frequency; Electric current, voltage, frequency signal detect 37 collections and output in electric current, voltage and the frequency feedback to 31 of motor, to guarantee the accurate of output frequency.
Monitor controller A shown in Fig. 1, that is to say Monitoring and Controlling cpu chip and peripheral each circuit 1～8 thereof in the monitor controller shown in Figure 2, monitor controller A and technological process control module 11, temperature control and acquisition module 21 and motor frequency conversion driver module 31 are formed the energy-saving control device of separate unit injection (mo(u)lding) machine.Many injection (mo(u)lding) machines just have many monitor controller A, B, C ... they have the identical structure and the course of work, and existing is their course of work of example summary with monitor controller A.
Set or revise the parameters such as control temperature of pressure, flow, time-delay and each temperature control point of each technological process by display screen on the monitor controller A 6 and keyboard 8, the data that configure are stored in the data storage 3, and pass to technological process control module 11 and temperature detection and control module 21 by 485 communication ports 5.
Technological process control module 11 is determined the actuating signal that needs are exported according to the input signal of current time machine and the control program of editing and recording in advance, and the pressure of the corresponding output of this actuating signal is converted to corresponding current signal by analogue quantity output circuit 17 export the electric-hydraulic proportion pressure valve to, need the calculation of parameter such as flow signal, pressure signal and power of motor of corresponding output needing to obtain the frequency signal of output according to this action, again this frequency signal that calculates is exported to motor frequency conversion driver module 31 by communication port 15.
Temperature detection and control module 21 obtain the design temperature of machine by communication interface 24 from Monitoring and Controlling module 11, export the analog quantity thief hatch of controller 21 to through the temperature signal that amplifies, and obtain the real time temperature and the bad border temperature of machine; Temperature sampling and controller 21 are according to design temperature and real time temperature, adopt the difference of design temperature and environment temperature, and the difference of design temperature and actual temperature is the three-dimensional expert fuzzy pid control algorithm of two variablees of input variable, calculate the controlled quentity controlled variable that adds thermal output, add the adhesive of electrothermal relay by relay control output 27 controls; And pass to monitor controller A and technological process control module 11 in real time by the temperature that 485 communication interfaces 24 obtain sampling.
The frequency instruction that motor frequency conversion driver module 31 obtains according to 485 communication ports 33, produce six groups of PWM ripple control inverter circuits 36 by drive waveform module 31, the alternating current that produces the three-phase changeable frequency exports motor to, motor drives hydraulic pump source with controlled frequency output, produces the needed flow of corresponding system.
Workshop has the plurality of rubber injection (mo(u)lding) machine, and each make-up machine all is with monitor controller A or B or C ..., they are parallel to the input at host work station, monitor each controller A, B, C by the host work station ... work.The computer management at host work station is coordinated the whole production workshop, it is local easily that the host work station control system also can be installed in production management department or manager, but general best is unit with a workshop, the network connectivity between itself and control system is advisable to be no more than a km.
The host work station realizes exchanging with the data of each monitor controller that links to each other with master station by service software mounted thereto, by selected identification number, main website can monitor each technological parameter of specified machine at any time, as motor frequency signal, output voltage and the electric current of the setting pressure of each technological action of current time and flow, current action input and output, the pressure to current signal of current output, current output and the real time temperature of each temperature control point of machine and heated condition etc. this moment, realize the production of each rubber injection moulding machine of centralized management.And can pass to maintenance general headquarters to these information by the internet, carry out remote maintenance and fault diagnosis.
Claims (8)
1, energy saving control system of rubber injection shaping machine, it comprises variable frequency drive motors, fluid pressure and flow sensor, temperature sensor and power circuit, it is characterized in that energy-saving control system is made up of monitor controller, technological process control module, temperature sampling and control module and Frequency Drive Control module; The input of technological process control module, temperature detection and control module and Frequency Drive Control module is connected with the output of monitor controller respectively, and the output of technological process control module, temperature detection and control module and Frequency Drive Control module is connected with the input of monitor controller respectively.
2, the energy-conservation centralized control system of rubber injection moulding machine, it is characterized in that establishing one by the decide control centre of work station of microcomputer, its output and input are connected with input with the output of several monitor controllers respectively, and wherein the output of arbitrary monitor controller and input also are connected with the output and the input of technological process controller, temperature detection and controller and Frequency Drive Control device respectively.
3, energy saving control system of rubber injection shaping machine according to claim 1 is characterized in that monitor controller A and technological process control module (11), temperature are controlled and the energy-saving control device of acquisition module (21) and motor frequency conversion driver module (31) composition separate unit injection (mo(u)lding) machine.
4, energy saving control system of rubber injection shaping machine according to claim 1 is characterized in that monitor controller (1) shows that by being connected to its input output reset circuit (2), data storage (3), logic decoding (4), 485 communication ports (5), LCD respectively (6), network interface (7) and keyboard indicator lamp (8) form.
5, energy saving control system of rubber injection shaping machine according to claim 1, it is characterized in that technological process control module (11) by the digital quantity input (12) that is connected to its input respectively, data storages (13), logic decoding (14), 485 communication ports (15) and analog quantity input (16), digital quantity input (12), the data storage (13), logic decoding (14), 485 communication ports (15), analog quantity output (17) and the control figure amount relay output (18) that are connected to technological process control module (11) output are respectively formed.
6, energy saving control system of rubber injection shaping machine according to claim 1, it is characterized in that temperature sampling and control module (21) by the memory that inserts its input respectively (22), memory expansion (23), 485 communication ports (24), sample circuit (25), reference voltage (26) and reset circuit (28), 485 communication ports (24) and the relay control output (27) of cut-in temperature sampling and control module (21) output are formed.
7, energy saving control system of rubber injection shaping machine according to claim 1, it is characterized in that motor frequency conversion driver module (31) exports (38) by the memory that is connected to its input respectively (32), 485 communication ports (33), external signal input (34), power supply control (35), inverter circuit (36), current/voltage frequency detecting (37) and the memory (32), 485 communication ports (33), inverter circuit (36), current/voltage frequency detecting (37) and the relay control that are connected to motor frequency conversion driver module (31) output respectively and formed.
8, the energy-conservation centralized control system of rubber injection moulding machine according to claim 2, it is characterized in that the host work station exchanges with the data of each monitor controller that links to each other with master station by service software realization mounted thereto, at any time monitor each technological parameter of specified machine by selecting the identification number master station, by the internet these information are passed to maintenance general headquarters and carry out remote maintenance and fault diagnosis.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102322085A (en) * | 2011-09-05 | 2012-01-18 | 柳工常州挖掘机有限公司 | The engineering machinery hydraulic energy-saving control system |
| CN102896734A (en) * | 2011-07-26 | 2013-01-30 | 住友重机械工业株式会社 | Injection moulding machine |
| CN103612375A (en) * | 2013-10-31 | 2014-03-05 | 杭州电子科技大学 | Digital remote temperature measurement and control system of temperature collection and control disconnect-type injection moulding machine |
| CN104708783A (en) * | 2013-12-11 | 2015-06-17 | 株式会社松井制作所 | Medium supply apparatus |
| CN104866330A (en) * | 2014-02-21 | 2015-08-26 | 恩格尔机械(上海)有限公司 | Method for supplementing components of forming machine with equipment |
| CN111188813A (en) * | 2020-01-16 | 2020-05-22 | 燕山大学 | Remote control hydraulic system for distributed group system of rail beam rolling mill unit |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3595983B2 (en) * | 2000-10-11 | 2004-12-02 | 株式会社ニイガタマシンテクノ | Control device for injection molding machine |
| CN1137812C (en) * | 2000-10-18 | 2004-02-11 | 艾默生网络能源有限公司 | Injection machine energy-saving equipment based on frequency conversion speed controller and its method |
| CN2598737Y (en) * | 2002-11-15 | 2004-01-14 | 宁波海天股份有限公司 | Energy saving device of frequency change injection moulding machine |
| US20090191295A1 (en) * | 2004-01-07 | 2009-07-30 | Sumitomo Heavy Industries, Ltd. | Molding machine and temperature control method thereof |
| CN2892446Y (en) * | 2006-01-20 | 2007-04-25 | 宁波华普工业控制技术有限公司 | Rubber injection moulding machine energy-saving controlling device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102896734A (en) * | 2011-07-26 | 2013-01-30 | 住友重机械工业株式会社 | Injection moulding machine |
| CN102322085A (en) * | 2011-09-05 | 2012-01-18 | 柳工常州挖掘机有限公司 | The engineering machinery hydraulic energy-saving control system |
| CN102322085B (en) * | 2011-09-05 | 2013-12-04 | 柳工常州挖掘机有限公司 | Hydraulic energy-saving control system of construction machinery |
| CN103612375A (en) * | 2013-10-31 | 2014-03-05 | 杭州电子科技大学 | Digital remote temperature measurement and control system of temperature collection and control disconnect-type injection moulding machine |
| CN104708783A (en) * | 2013-12-11 | 2015-06-17 | 株式会社松井制作所 | Medium supply apparatus |
| CN104866330A (en) * | 2014-02-21 | 2015-08-26 | 恩格尔机械(上海)有限公司 | Method for supplementing components of forming machine with equipment |
| CN111188813A (en) * | 2020-01-16 | 2020-05-22 | 燕山大学 | Remote control hydraulic system for distributed group system of rail beam rolling mill unit |
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| CN100415488C (en) | 2008-09-03 |
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