CN102740520A - Induction heating system with external combined induction heating coil phased arrays and application for induction heating system - Google Patents
Induction heating system with external combined induction heating coil phased arrays and application for induction heating system Download PDFInfo
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- CN102740520A CN102740520A CN201210196874XA CN201210196874A CN102740520A CN 102740520 A CN102740520 A CN 102740520A CN 201210196874X A CN201210196874X A CN 201210196874XA CN 201210196874 A CN201210196874 A CN 201210196874A CN 102740520 A CN102740520 A CN 102740520A
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 97
- 230000006698 induction Effects 0.000 title claims abstract description 41
- 238000003491 array Methods 0.000 title abstract 2
- 238000000429 assembly Methods 0.000 claims description 5
- 230000000712 assembly Effects 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 4
- 239000012467 final product Substances 0.000 claims description 3
- 238000002347 injection Methods 0.000 abstract description 5
- 239000007924 injection Substances 0.000 abstract description 5
- 238000001746 injection moulding Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000002131 composite material Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- 238000000748 compression moulding Methods 0.000 abstract 1
- 229920001169 thermoplastic Polymers 0.000 abstract 1
- 229920001187 thermosetting polymer Polymers 0.000 abstract 1
- 239000004416 thermosoftening plastic Substances 0.000 abstract 1
- 239000011159 matrix material Substances 0.000 description 5
- 238000007493 shaping process Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 235000018734 Sambucus australis Nutrition 0.000 description 1
- 244000180577 Sambucus australis Species 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- OGFXBIXJCWAUCH-UHFFFAOYSA-N meso-secoisolariciresinol Natural products C1=2C=C(O)C(OC)=CC=2CC(CO)C(CO)C1C1=CC=C(O)C(OC)=C1 OGFXBIXJCWAUCH-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The invention discloses an induction heating system which is provided with external combined induction heating coil phased arrays and used for an injection molding process and an application for the induction heating system, and belongs to the field of methods for manufacturing injection molding products. According to the technical scheme, a singlechip, a relay, inverters, coils and a keyboard are provided, wherein a program for controlling each heating mode states is pre-set in the singlechip; and switching among the heating mode states is realized by the keyboard; induction coils is powered on or powered off according to the preset program sequence or other ways, so that mutual influence of magnetic fields among the coils is eliminated, and the heating efficiency is improved; and meanwhile, the coils also can be separately or synchronously powered on or powered off according to the specific sequence, so that local temperature of a mould cavity can be controlled, and the heating flexibility is increased; and therefore, the system is particularly suitable for performing injection molding on parts which are made of thermoplastic or thermosetting composite materials or heating complicated mould cavities of injection moulds and locally heating the mould cavities of the injection moulds during compression molding production.
Description
Technical field
The present invention relates to a kind of heating system that is applied to the injecting products manufacturing technology, relate in particular to a kind of external combination load coil and SECO heating system and application thereof that is applied to injection mould.
Background technology
For solve injection moulding produce in the normal poor surface smoothness that occurs, short penetrate and quality problems such as weld mark and production have the plastic products of Gao Liuchang than, ultra-thin-wall and micro-structural, adopt the die cavity heating system at present usually.Induction heating is a kind of technology of die cavity Fast Heating.Induction heating is applied to die cavity heating and has lot of advantages, and is short like heating, cooling time, and highly versatile can obtain comparatively uniformly mould temperature etc.Different according to induction heating equipment, the induction heating that is applied to the die cavity heating is divided into external and built-in two kinds.For built-in induction heating, the mould structure more complicated manufactures and designs big, the bad adaptability of difficulty.And for the external induction heating, the coil that is applied to the external induction heating at present all is to make to measure according to mold cavity, and the coil versatility is not strong, does not also possess the local temperature of coil heats scope controlled.These have all caused the inconvenience of producing, and have limited the use of induction heating.
According to retrieval to prior art, find a kind of distributed induction heating system, carry out heating means with the temperature of Fast Heating shaping dies to working temperature.This system produces total work electric current through electric power supply apparatus, makes several load coils receive total work electric current fifty-fifty, on shaping dies, produces vortex flow with the heating shaping dies.Each load coil is switched by the control device that opens circuit, and being connected of cut-out or conducting and electric power supply apparatus individually.Therefore; After the temperatures at localized regions of shaping dies arrives working temperature; Corresponding load coil can be closed earlier, and its consumed current is assigned to other load coil fifty-fifty, and then shortens shaping dies and be heated to the needed time of working temperature fully.See Chinese patent document number CN 200810235017.X.This heating system be that each coil heats simultaneously, have only and just closed separately after arriving design temperature, phase mutual interference in magnetic field between the unit coil, heat efficiency loss is bigger.
Summary of the invention
Because the above-mentioned defective of prior art, the present invention provides a kind of external combination load coil phase array heating system.
The present invention adopts following technical scheme:
A kind of external combination load coil phase array heating system; Be mainly used in die cavity Fast Heating and localized heating, it is characterized in that, form by one group of external combination load coil phase array, one group of inverter, relay and sequential control system; Said sequential control system links to each other with said relay; Said relay links to each other with said one group of inverter, and said one group of inverter links to each other with one group of external combination load coil phase array, and the structure of this external combination load coil is referring to application for a patent for invention CN201110238125.4; Application publication number CN 102358016A, Shen Qing Publication day 2012.02.22.。
Described external combination load coil phase array heating system; It is characterized in that; Said one group of inverter is formed in parallel by a plurality of inverters; Wherein an end of each inverter is connected on the said relay, and the other end is connected to it in corresponding said one group of external combination load coil phase array on the single induction coil assembly.
Described external combination load coil phase array heating system is characterized in that said relay has a plurality of make contact.
Described external combination load coil phase array heating system is characterized in that said sequential control system is made up of single-chip microcomputer and keypad, and said keypad is connected on the said single-chip microcomputer.
Described external combination load coil phase array heating system; It is characterized in that said keypad comprises 7 buttons: always open button, stop key, coil circular order heating button, coil (21) are opened button separately, coil (22) is opened button separately, coil (23) is opened button separately, coil (24) is opened button separately.
Said external combination load coil phase array heating system; Under the control of its sequential control system; Coil unit carries out successively according to power, frequency and the time of program and program setting or otherwise switches on/cut off the power supply in the said external combination load coil phase array, and the integral body that is used for the film chamber heats; Perhaps through program control, make in the said external combination load coil phase array single or a plurality of induction coil assemblies switch on/cut off the power supply, with the localized heating of realization die cavity according to power, frequency and the time of program and program setting.
Said combination load coil phase array, each induction coil assembly is independent controlled, and power, frequency, electric current, the time is adjustable; Each induction coil assembly at a time can only have and has alternating current or have several induction coils of appointment to have alternating current simultaneously in the induction coil assembly;
Said sequential control system presets the program that mode is respectively heated in control on said single-chip microcomputer mountain, is realized respectively heating the switching of mode by keypad;
Said relay has a plurality of make contact controlled, and is controlled with the power supply that realizes corresponding a plurality of induction coil assemblies.
Said heating mode comprises the independent energising/outage of the whole order energising/outage of load coil phase array and each induction coil; Through the closure and the disconnection of each contact of program control relay, thus interleaved power or the separately power supply of the switch of controlling each inverter to realize each induction coil; The blanking time that can realize energising/outage between each induction coil through program equally is controlled.
Said external combination load coil phase array heating system comprises the steps:
(1) push button total unlatching button on the plate;
(2) if make the power supply of each coil cycle alternation, then by lower coil circular order heating button to heat integral body; If heating mould is local, then confirm the coil that needs are opened, and the button of pressing corresponding coil gets final product according to the heating position;
(3) heating is pressed after finishing and is stopped key, with device shutdown.
When said external combination load coil phase array adopts 2 * 2 coil groups, describe with 2 * 2 for setting forth conveniently here, be not limited to 2 * 2 coil matrix in the use, said circular order heating schedule step is following:
1) presses total startup button;
2) press circular order heating button;
3) first make contact is connected, and coil (21) energising is heated mould;
4) after several seconds zero point of time-delay, first make contact break off coil (21) outage simultaneously closed second make contact so that coil (22) energising;
5) after several seconds zero point of time-delay, second make contact breaks off simultaneously closed the 3rd make contact of coil (22) outage so that coil (23) energising;
6) after several seconds zero point of time-delay, the 3rd make contact breaks off simultaneously closed the 4th make contact of coil (23) outage so that coil (24) energising;
7) after several seconds zero point of time-delay, the 4th make contact break off coil (24) outage simultaneously closed first make contact so that coil (21) energising;
8) circulation like this is then pressed until stopping key.
A kind of external combination load coil phase array heating system is made up of a kind of external combination load coil and sequential control system thereof.Described external combination load coil is regulated induction coil assemblies that bolt with it flexibly connect with several through correspondence by the coil general frame and is formed that (this external makes up the structure of load coil referring to application for a patent for invention CN201110238125.4; Application publication number CN 102358016A; Shen Qing Publication day 2012.02.22); Can realize the matched well of coil and die cavity through regulating bolt, well solve the problem of coil versatility difference.Under control system control, each coil can be switched on/cut off the power supply according to power, frequency and the time of program and program setting in this external built-up coil cell matrix simultaneously.For small-sized matrix coils; Carrying out integral body when heating at a time has only each induction coil assembly and only has in the coil unit through program and have alternating current; So at a time have only a coil unit to produce magnetic field; Eliminate the phase mutual interference between unit coil magnetic field, avoided energy loss.And,, can make coil unit seem that integral body all in work, so just can improve induction heating speed effectively through blanking time closed between the control coil unit from whole heating process.And for the large-scale matrix coil, each induction coil assembly at a time can only have and has alternating current in the coil unit, also can have several coils of appointment to feed alternating currents simultaneously.Because for the large-scale matrix coil, make the coil electricity of apart from each other also can avoid the phase mutual interference of magnetic field part simultaneously.Simultaneously also can make the single or a plurality of coil units of phase array carry out closure/disconnection,, strengthen the flexibility of heating to realize the localized heating of die cavity through program control according to power, frequency and the time of program and program setting.Be specially adapted to the heating of injection mould complicated mold cavity and the localized heating of injection mould die cavity.
Effective effect of the present invention is to eliminate influencing each other between the magnetic field that the external combination load coil energising back that is used for injection moulding produces, and can guarantee the uniformity that heats again thereby improve induction heating efficient.The switch coil has improved the flexibility of heating greatly to realize the localized heating of die cavity separately simultaneously.
Below will combine accompanying drawing that the method effect of design of the present invention, concrete structure and generation is described further, so that those skilled in the art understands the object of the invention, characteristic and effect fully.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is a fundamental diagram of the present invention;
Fig. 3 is the workflow diagram of the present invention under coil circular order heating cycle;
Fig. 4 is a workflow diagram of the present invention.
Embodiment
In preferred embodiments of the present invention, as shown in Figure 1, be example with 2 * 2 composite type load coils, the technical scheme that the present invention adopted is mainly accomplished through 8 single-chip microcomputers (C52), keypad, relay, inverter, 2 * 2 combined-type coils.
As shown in Figure 2, the present invention realizes that through sequential control system 3 control switchs 1 closing of circuit/the disconnection of composite type load coil 2 is controlled.Three-phase alternating current obtains more level and smooth direct current after rectification, filtering, and control through relay then and whether send electricity to send electric order to inverter and to inverter, thus the on off state of control coil circuit and switching sequence.Control to relay then realizes through the Single-chip Controlling keypad, to realize the controlled programming and the automation of system.As shown in Figure 3, thus disconnected the closing of closing order control coil circuit through 4 contacts in the Single-chip Controlling relay disconnected.Pressing under the heat button situation of always releasing the button and circulate; Thereby make first closing of contact opening coil 21; Delay time then several seconds zero point; First contact is broken off to close coil 21, made second closing of contact with opening coil 22 simultaneously, so order is opened with closed to accomplish the integral body heating of die cavity.
Said circular order heating schedule step is following:
1) presses total startup button;
2) press circular order heating button;
3) first make contact is connected, and coil (21) energising is heated mould;
4) after several seconds zero point of time-delay, first make contact break off coil (21) outage simultaneously closed second make contact so that coil (22) energising;
5) after several seconds zero point of time-delay, second make contact breaks off simultaneously closed the 3rd make contact of coil (22) outage so that coil (23) energising;
6) after several seconds zero point of time-delay, the 3rd make contact breaks off simultaneously closed the 4th make contact of coil (23) outage so that coil (24) energising;
7) after several seconds zero point of time-delay, the 4th make contact break off coil (24) outage simultaneously closed first make contact so that coil (21) energising;
8) circulation like this is then pressed until stopping key.
Owing to delay time is short each coil is looked and work at the same time, but but eliminated mutual influence of magnetic field, thereby the efficiency of heating surface improved.
As shown in Figure 4, workflow diagram of the present invention comprises the steps:
1) push button total unlatching button on the plate;
2) if make the power supply of each coil cycle alternation, then by lower coil circular order heating button to heat integral body; If heating mould is local, then confirm the coil that needs are opened, and the button of pressing corresponding coil gets final product according to the heating position;
3) heating is pressed after finishing and is stopped key, with device shutdown.
More than describe preferred embodiment of the present invention in detail.The ordinary skill that should be appreciated that this area need not creative work and just can design according to the present invention make many modifications and variation.Therefore, all technical staff in the art all should asked in the determined protection range by claim under this invention's idea on the basis of existing technology through the available technical scheme of logical analysis, reasoning, or a limited experiment.
Claims (10)
1. an external makes up load coil phase array heating system; Be mainly used in die cavity Fast Heating and localized heating; It is characterized in that be made up of one group of external combination load coil phase array, one group of inverter, relay and sequential control system, said sequential control system links to each other with said relay; Said relay links to each other with said one group of inverter, and said one group of inverter links to each other with one group of external combination load coil phase array.
2. external combination load coil phase array heating system according to claim 1; It is characterized in that; Said one group of inverter is formed in parallel by a plurality of inverters; Wherein an end of each inverter is connected on the said relay, and the other end is connected to it in corresponding said one group of external combination load coil phase array on the single induction coil assembly.
3. external combination load coil phase array heating system according to claim 1 is characterized in that said relay has a plurality of make contact.
4. external combination load coil phase array heating system according to claim 1 is characterized in that said sequential control system is made up of single-chip microcomputer and keypad, and said keypad is connected on the said single-chip microcomputer.
5. external combination load coil phase array heating system according to claim 4; It is characterized in that said keypad comprises 7 buttons: always open button, stop key, coil circular order heating button, coil (21) are opened button separately, coil (22) is opened button separately, coil (23) is opened button separately, coil (24) is opened button separately.
6. the utilization of an external combination load coil phase array heating system as claimed in claim 1; It is characterized in that; Said external combination load coil phase array heating system; Under the control of its sequential control system, coil unit carries out successively according to power, frequency and the time of program and program setting or otherwise switches on/cut off the power supply in the said external combination load coil phase array, and the integral body that is used for the film chamber heats; Perhaps through program control, make in the said external combination load coil phase array single or a plurality of induction coil assemblies switch on/cut off the power supply, with the localized heating of realization die cavity according to power, frequency and the time of program and program setting.
7. the application of external according to claim 6 combination load coil phase array heating system is characterized in that, said combination load coil phase array, and each induction coil assembly is independent controlled, and power, frequency, electric current, the time is adjustable; Each induction coil assembly at a time can only have and has alternating current or have several induction coils of appointment to have alternating current simultaneously in the induction coil assembly;
Said sequential control system presets the program that mode is respectively heated in control in said single-chip microcomputer, realized respectively heating the switching of mode by keypad;
Said relay has a plurality of make contact controlled, and is controlled with the power supply that realizes corresponding a plurality of induction coil assemblies.
8. the application of external combination load coil phase array heating system according to claim 7; It is characterized in that said heating mode comprises the independent energising/outage of the whole order energising/outage of load coil phase array and each induction coil; Through the closure and the disconnection of each contact of program control relay, thus interleaved power or the separately power supply of the switch of controlling each inverter to realize each induction coil; The blanking time that can realize energising/outage between each induction coil through program equally is controlled.
9. the application of external combination load coil phase array heating system according to claim 6 is characterized in that, said external combination load coil phase array heating system comprises the steps:
(1) push button total unlatching button on the plate;
(2) if make the power supply of each coil cycle alternation, then by lower coil circular order heating button to heat integral body; If heating mould is local, then confirm the coil that needs are opened, and the button of pressing corresponding coil gets final product according to the heating position;
(3) heating is pressed after finishing and is stopped key, with device shutdown.
10. the application of external combination load coil phase array heating system according to claim 9 is characterized in that, when said external combination load coil phase array adopted 2 * 2 coil groups, said circular order heating schedule step was following:
1) presses total startup button;
2) press circular order heating button;
3) first make contact is connected, and coil (21) energising is heated mould;
4) after several seconds zero point of time-delay, first make contact break off coil (21) outage simultaneously closed second make contact so that coil (22) energising;
5) after several seconds zero point of time-delay, second make contact breaks off simultaneously closed the 3rd make contact of coil (22) outage so that coil (23) energising;
6) after several seconds zero point of time-delay, the 3rd make contact breaks off simultaneously closed the 4th make contact of coil (23) outage so that coil (24) energising;
7) after several seconds zero point of time-delay, the 4th make contact break off coil (24) outage simultaneously closed first make contact so that coil (21) energising;
8) circulation like this is then pressed until stopping key.
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| CN201210196874.XA CN102740520B (en) | 2012-06-14 | 2012-06-14 | Induction heating system with external combined induction heating coil phased arrays and application for induction heating system |
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| CN201210196874.XA CN102740520B (en) | 2012-06-14 | 2012-06-14 | Induction heating system with external combined induction heating coil phased arrays and application for induction heating system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104676678A (en) * | 2013-11-28 | 2015-06-03 | 哈尔滨市三和佳美科技发展有限公司 | Double coil induction cooker |
| CN106102199A (en) * | 2016-06-28 | 2016-11-09 | 福州大学 | The induction heating equipment of a kind of leggy multi-coil and method |
| CN106466695A (en) * | 2015-08-20 | 2017-03-01 | 福特汽车公司 | Optionally soften the method and system of hot stamping part by sensing heating |
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| JP2005335234A (en) * | 2004-05-27 | 2005-12-08 | Fuiisa Kk | Method and apparatus for injection molding |
| CN2846098Y (en) * | 2005-08-25 | 2006-12-13 | 中国科学院自动化研究所 | Self temperature adaptive temperature control circuit for injection molding machine |
| CN202753361U (en) * | 2012-06-14 | 2013-02-27 | 上海交通大学 | Induction heating system of external combination induction heating coil phased arrays |
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2012
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Patent Citations (4)
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| JP2000158505A (en) * | 1998-11-27 | 2000-06-13 | Asahi Chem Ind Co Ltd | Method for molding polyacetal resin |
| JP2005335234A (en) * | 2004-05-27 | 2005-12-08 | Fuiisa Kk | Method and apparatus for injection molding |
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| CN202753361U (en) * | 2012-06-14 | 2013-02-27 | 上海交通大学 | Induction heating system of external combination induction heating coil phased arrays |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104676678A (en) * | 2013-11-28 | 2015-06-03 | 哈尔滨市三和佳美科技发展有限公司 | Double coil induction cooker |
| CN106466695A (en) * | 2015-08-20 | 2017-03-01 | 福特汽车公司 | Optionally soften the method and system of hot stamping part by sensing heating |
| US10308992B2 (en) | 2015-08-20 | 2019-06-04 | Ford Motor Company | Method and system for selectively softening hot stamped parts by induction heating |
| CN106102199A (en) * | 2016-06-28 | 2016-11-09 | 福州大学 | The induction heating equipment of a kind of leggy multi-coil and method |
| CN106102199B (en) * | 2016-06-28 | 2019-09-13 | 福州大学 | A kind of induction heating equipment and method of leggy multi-coil |
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| CN102740520B (en) | 2014-05-21 |
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Denomination of invention: Induction heating system with external combined induction heating coil phased arrays and application for induction heating system Effective date of registration: 20180205 Granted publication date: 20140521 Pledgee: Bank of China Limited by Share Ltd. Wuhu branch Pledgor: WUHU JINGYIDA MOLDING CO.,LTD. Registration number: 2018340000036 |
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Denomination of invention: Induction heating system with external combined induction heating coil phased arrays and application for induction heating system Effective date of registration: 20190308 Granted publication date: 20140521 Pledgee: Bank of China Limited by Share Ltd. Wuhu branch Pledgor: WUHU JINGYIDA MOLDING CO.,LTD. Registration number: 2019340000131 |
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Date of cancellation: 20200916 Granted publication date: 20140521 Pledgee: Bank of China Limited by Share Ltd. Wuhu branch Pledgor: WUHU JINGYIDA MOLDING Co.,Ltd. Registration number: 2019340000131 |
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Denomination of invention: External combined induction heating coil phased array induction heating system and its application Effective date of registration: 20230116 Granted publication date: 20140521 Pledgee: Bank of China Limited by Share Ltd. Wuhu branch Pledgor: WUHU JINGYIDA MOLDING CO.,LTD. Registration number: Y2023980030980 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
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Granted publication date: 20140521 Pledgee: Bank of China Limited by Share Ltd. Wuhu branch Pledgor: WUHU JINGYIDA MOLDING CO.,LTD. Registration number: Y2023980030980 |
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Denomination of invention: External combination induction heating coil phased array induction heating system and its application Granted publication date: 20140521 Pledgee: Anhui pilot Free Trade Zone Wuhu District sub branch of Huishang Bank Co.,Ltd. Pledgor: WUHU JINGYIDA MOLDING CO.,LTD. Registration number: Y2024980006072 |
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