CN103419341A - Energy-saving intelligent control device of injection molding machine - Google Patents

Energy-saving intelligent control device of injection molding machine Download PDF

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Publication number
CN103419341A
CN103419341A CN2012101115018A CN201210111501A CN103419341A CN 103419341 A CN103419341 A CN 103419341A CN 2012101115018 A CN2012101115018 A CN 2012101115018A CN 201210111501 A CN201210111501 A CN 201210111501A CN 103419341 A CN103419341 A CN 103419341A
Authority
CN
China
Prior art keywords
saving
contactor
variable
oil pump
frequency governor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN2012101115018A
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Chinese (zh)
Inventor
倪春林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SUZHOU LAIKA ENERGY ELECTRIC TECHNOLOGY Co Ltd
Original Assignee
SUZHOU LAIKA ENERGY ELECTRIC TECHNOLOGY Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SUZHOU LAIKA ENERGY ELECTRIC TECHNOLOGY Co Ltd filed Critical SUZHOU LAIKA ENERGY ELECTRIC TECHNOLOGY Co Ltd
Priority to CN2012101115018A priority Critical patent/CN103419341A/en
Publication of CN103419341A publication Critical patent/CN103419341A/en
Pending legal-status Critical Current

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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Abstract

The invention discloses an energy-saving intelligent control device of an injection molding machine. The energy-saving intelligent control device comprises an external power supply, a switching unit, a circuit controller, an intelligent control unit and a variable-frequency governor, wherein the switching unit comprises a commercial power contactor and a power-saving contactor; one of the input end of the commercial power contactor and the input end of the power-saving contactor is communicated with the output end of the external power supply; the circuit controller is electrically connected between the output end of the commercial power contactor and an oil pump motor; the variable-frequency governor is electrically connected between the output end of the power-saving contactor and the oil pump motor; the intelligent control unit comprises a detection module and a computing control module; the detection module can be used for detecting the running state information of the injection molding machine and transmitting the running state information to the computing control module; the computing control module is used for analyzing and computing the running state information and transmitting a control command to the variable-frequency governor; and the variable-frequency governor is used for regulating the rotation speed and torque of the oil pump motor, so that the energy-saving and power-saving efficacy can be realized, and the reliability is good.

Description

The injection machine energy-saving intelligent controlling device
Technical field
The present invention relates to injection machine energy-saving control device field, relate in particular to a kind of injection machine energy-saving intelligent controlling device.
Background technology
The injection machine industry be one with national product, the closely bound up industry of living, arrive greatly automobile, mould, littlely to household electrical appliance, toy, mobile phone etc., all be unable to do without injection molding, injection machine is the main production equipments of plastic cement industry.The energy consumption of injection machine is mainly manifested in the power consumption aspect, includes: the power consumption of the power consumption of hydraulic system oil pump, the power consumption of heater and circulating cooling water pump.Wherein, the power consumption of hydraulic oil pump accounts for the 65%-80% of whole injection machine power consumption, is the key of injection machine energy-saving.
Hydraulic System for Injection Moulding Machine is all larger loads of a pressure and flowed fluctuation, and in injection machine matched moulds, locked mode, injection, the different operating stage such as pressurize is cooling, die sinking ejects, its pressure and flow all regular variation will occur.But in real work, it is little when the actual pressure of Hydraulic System for Injection Moulding Machine and the variation of actual flow are large while being, sometimes be almost equal to zero, and each course of work is controlled different operation of oil pumps by different Oil pump electrical machineries respectively, at actual flow hour, the fuel delivery of oil pump is far longer than load actual consumption amount, and supply exceed demand, the hydraulic oil under high pressure conditions more than needed is all through the overflow valve overflow and emit a large amount of heat energy, thereby causes serious energy waste problem.
Summary of the invention
In order to overcome above-mentioned defect, the invention provides a kind of injection machine energy-saving intelligent controlling device, this energy-saving intelligent control device has perfect civil power/economize on electricity translation function, and management is convenient in energy saving.
The present invention for the technical scheme that solves its technical problem and adopt is: a kind of injection machine energy-saving intelligent controlling device, comprise external power source, switch unit, circuit controller, intelligent control unit and variable-frequency governor, described switch unit comprises city's electric contactor and electric-saving contactor, the input of described city electric contactor and the input of electric-saving contactor are selected a conducting in the output of described external power source, and described circuit controller is electrically connected between the oil pump motor of the output of described city electric contactor and injection machine, described variable-frequency governor is electrically connected between the oil pump motor of the output of described electric-saving contactor and injection machine, described intelligent control unit comprises detection module and s operation control module, the running state information that described detection module can detect injection machine (is die sinking, matched moulds, injection, feed back, the work such as eject), and described running state information is transferred to described s operation control module, described s operation control module is carried out analysis and calculation to described running state information, and control command is transferred to described variable-frequency governor, described variable-frequency governor is regulated rotating speed and the torque of oil pump motor, thereby make the oil pump motor Amount of actual oil supply consistent with the traffic demand of injection machine, eliminate overflow phenomena, save electric energy.
As a further improvement on the present invention, also be provided with the capacitance compensation module, described capacitance compensation module is electrically connected between described variable-frequency governor and oil pump motor.
The invention has the beneficial effects as follows: by utilizing handover module, automatically regulate and switch power-saving running state and the civil power running status of injection machine, utilize intelligent control unit to detect the running state information of injection machine, and this running state information is carried out to analysis and calculation, then control variable-frequency governor and regulate rotating speed and the torque of oil pump, thereby can make the oil pump motor Amount of actual oil supply consistent with the traffic demand of injection machine, eliminate overflow phenomena, realize the effect of energy saving, and this energy-saving intelligent control device is convenient to regular maintenance, management, good reliability.
The accompanying drawing explanation
Fig. 1 is structural principle block diagram of the present invention.
The specific embodiment
With reference to the accompanying drawings the embodiment of injection machine energy-saving intelligent controlling device of the present invention is elaborated.
A kind of injection machine energy-saving intelligent controlling device of the present invention, comprise external power source 1, switch unit, circuit controller 4, intelligent control unit 5 and variable-frequency governor 6, described switch unit comprises city's electric contactor 2 and electric-saving contactor 3, the input of described city electric contactor and the input of electric-saving contactor are selected a conducting in the output of described external power source, and described circuit controller is electrically connected between the oil pump motor of the output of described city electric contactor and injection machine, described variable-frequency governor is electrically connected between the oil pump motor of the output of described electric-saving contactor and injection machine, described intelligent control unit comprises detection module 50 and s operation control module 51, the running state information that described detection module can detect injection machine (is die sinking, matched moulds, injection, feed back, the work such as eject), and described running state information is transferred to described s operation control module, described s operation control module is analyzed described running state information, according to the economize on electricity Mathematical Modeling of optimizing, calculate the economize on electricity running speed curve of injection machine oil pump motor, and control command is transferred to described variable-frequency governor, described variable-frequency governor is regulated rotating speed and the torque of oil pump motor, thereby make the oil pump motor Amount of actual oil supply consistent with the traffic demand of injection machine, eliminate overflow phenomena, save electric energy.
In the present embodiment, also be provided with the capacitance compensation module, described capacitance compensation module is electrically connected between described variable-frequency governor and oil pump motor.

Claims (2)

1. an injection machine energy-saving intelligent controlling device, it is characterized in that: comprise external power source (1), switch unit, circuit controller (4), intelligent control unit (5) and variable-frequency governor (6), described switch unit comprises city's electric contactor (2) and electric-saving contactor (3), the input of described city electric contactor and the input of electric-saving contactor are selected a conducting in the output of described external power source, and described circuit controller is electrically connected between the oil pump motor of the output of described city electric contactor and injection machine; Described variable-frequency governor is electrically connected between the oil pump motor of the output of described electric-saving contactor and injection machine, described intelligent control unit comprises detection module (50) and s operation control module (51), described detection module can detect the running state information of injection machine, and described running state information is transferred to described s operation control module, described s operation control module is carried out analysis and calculation to described running state information, and control command is transferred to described variable-frequency governor, described variable-frequency governor is regulated rotating speed and the torque of oil pump motor.
2. injection machine energy-saving intelligent controlling device according to claim 1, it is characterized in that: also be provided with the capacitance compensation module, described capacitance compensation module is electrically connected between described variable-frequency governor and oil pump motor.
CN2012101115018A 2012-04-17 2012-04-17 Energy-saving intelligent control device of injection molding machine Pending CN103419341A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012101115018A CN103419341A (en) 2012-04-17 2012-04-17 Energy-saving intelligent control device of injection molding machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012101115018A CN103419341A (en) 2012-04-17 2012-04-17 Energy-saving intelligent control device of injection molding machine

Publications (1)

Publication Number Publication Date
CN103419341A true CN103419341A (en) 2013-12-04

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012101115018A Pending CN103419341A (en) 2012-04-17 2012-04-17 Energy-saving intelligent control device of injection molding machine

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106584801A (en) * 2016-12-28 2017-04-26 上海创蚁机电科技有限公司 Automatic pump stopping control system for injection molding machine

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000084654A (en) * 1998-07-17 2000-03-28 Toshiba Mach Co Ltd Motor-driven injection die-casting machine
CN200998906Y (en) * 2007-01-08 2008-01-02 深圳市奥宇控制系统有限公司 Energy-saving intelligent control system of injection machine
CN201102306Y (en) * 2007-09-21 2008-08-20 沈建兴 Intelligent electricity saver of injection machine
CN201253938Y (en) * 2008-07-29 2009-06-10 东莞市佛尔盛机电科技有限公司 Intelligent electricity-saving control appliance of injection molding machine
CN202572916U (en) * 2012-04-17 2012-12-05 苏州徕卡节能电气技术有限公司 Energy-saving intelligent control device of injection molding machine

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000084654A (en) * 1998-07-17 2000-03-28 Toshiba Mach Co Ltd Motor-driven injection die-casting machine
CN200998906Y (en) * 2007-01-08 2008-01-02 深圳市奥宇控制系统有限公司 Energy-saving intelligent control system of injection machine
CN201102306Y (en) * 2007-09-21 2008-08-20 沈建兴 Intelligent electricity saver of injection machine
CN201253938Y (en) * 2008-07-29 2009-06-10 东莞市佛尔盛机电科技有限公司 Intelligent electricity-saving control appliance of injection molding machine
CN202572916U (en) * 2012-04-17 2012-12-05 苏州徕卡节能电气技术有限公司 Energy-saving intelligent control device of injection molding machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106584801A (en) * 2016-12-28 2017-04-26 上海创蚁机电科技有限公司 Automatic pump stopping control system for injection molding machine

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Application publication date: 20131204