CN102740520B - 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
- Publication number
- CN102740520B CN102740520B CN201210196874.XA CN201210196874A CN102740520B CN 102740520 B CN102740520 B CN 102740520B CN 201210196874 A CN201210196874 A CN 201210196874A CN 102740520 B CN102740520 B CN 102740520B
- Authority
- CN
- China
- Prior art keywords
- coil
- heating
- phased array
- power
- combination load
- 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.)
- Active
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 96
- 230000006698 induction Effects 0.000 title claims abstract description 38
- 238000003491 array Methods 0.000 title abstract 2
- 238000000429 assembly Methods 0.000 claims description 6
- 230000000712 assembly Effects 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 2
- 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
- 238000000034 method Methods 0.000 abstract description 2
- 239000002131 composite material Substances 0.000 abstract 1
- 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
- 230000000694 effects Effects 0.000 description 3
- 230000005540 biological transmission 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
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity 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
- 230000004048 modification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Images
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 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 occurring, short penetrate and the quality problems such as weld mark and production have the plastic products of Gao Liuchang ratio, ultra-thin-wall and micro-structural, conventionally adopt at present die cavity heating system.Eddy-current heating is a kind of technology of die cavity Fast Heating.Eddy-current heating is applied to die cavity heating and has lot of advantages, as short in heating, cool time, and highly versatile can obtain comparatively uniformly mould temperature etc.According to induction heating apparatus difference, the eddy-current heating that is applied to die cavity heating is divided into external and built-in two kinds.For built-in eddy-current heating, mould structure more complicated, manufactures and designs that difficulty is large, bad adaptability.And for external eddy-current heating, the coil that is applied at present external eddy-current heating is all to make to measure according to mold cavity, coil versatility is not strong, does not possess the local temperature of coil heats scope controlled yet.These have all caused the inconvenience of producing, and have limited the use of eddy-current heating.
According to the 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 operating temperature.This system produces total working electric current by electric power supply apparatus, makes several load coils receive fifty-fifty total working electric current, produces vortex flow with heating shaping dies on shaping dies.Each load coil is switched by a broken circuit control device, 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 operating temperature, corresponding load coil can first be closed, and the electric current of its consumption is assigned to other load coil fifty-fifty, and then shortens shaping dies and be heated to the needed time of operating temperature completely.See Chinese patent literature CN 200810235017.X.This heating system be that each coil heats simultaneously, only have to arrive after design temperature and just closed separately, phase mutual interference in magnetic field between unit coil, thermal efficiency loss is larger.
Summary of the invention
Because the above-mentioned defect of prior art the invention provides a kind of external combination load coil phased array heating system.
The present invention adopts following technical scheme:
A kind of external combination load coil phased array heating system, be mainly used in die cavity Fast Heating and local heat, it is characterized in that, by one group of external combination load coil phased array, one group of inverter, relay and sequential composition of the control system, described sequential control system is connected with described relay, described relay is connected with described one group of inverter, described one group of inverter is connected with one group of external combination load coil phased array, 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 phased array heating system, it is characterized in that, described one group of inverter is formed by multiple inverter parallels, wherein one end of each inverter is connected on described relay, and the other end is connected to it in corresponding described one group of external combination load coil phased array on single induction coil assembly.
Described external combination load coil phased array heating system, is characterized in that, described relay has multiple moving together contact.
Described external combination load coil phased array heating system, is characterized in that, described sequential control system is made up of single-chip microcomputer and keypad, and described keypad is connected on described single-chip microcomputer.
Described external combination load coil phased array heating system, it is characterized in that, described keypad comprises 7 buttons: always open button, stop key, coil circular order heating button, coil (21) are opened separately button, coil (22) is opened separately button, coil (23) is opened separately button, coil (24) is opened separately button.
Described external combination load coil phased array heating system, under the control of its sequential control system, described external combination load coil phased array coil unit carries out or otherwise carries out power on/off successively according to the power of program and program setting, frequency and time, for the entirety heating in film chamber; Or by programme-control, make in described external combination load coil phased array single or multiple induction coil assemblies carry out according to the power of program and program setting, frequency and time power on/off, to realize the local heat of die cavity.
Described combination load coil phased 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 in an induction coil assembly, has alternating current or have several induction coils of appointment to have alternating current simultaneously;
Described sequential control system, in the program of the each heating mode of the preset control in described single-chip microcomputer mountain, is realized the switching of each heating mode by keypad;
Described relay has multiple moving together contact controlled, controlled to realize the power supply of corresponding multiple induction coil assemblies.
Described heating mode comprises the power on/off separately of power on/off and each induction coil of the order of load coil phased array entirety; By closure and the disconnection of the each contact of programme-control relay, thereby the switch of controlling each inverter is to realize the interleaved power of each induction coil or power supply separately; Can realize equally interval time power on/off between each induction coil by program controlled.
Described external combination load coil phased array heating system, comprises the steps:
(1) the total unlatching button pushing button on plate;
(2) if make each coil cycle alternation power to heat entirety, by lower coil circular order heating button; If the coil that needs unlatching is determined according to heating position in heating mould part, and press the button of corresponding coil;
(3) after heating, press and stop key, by device shutdown.
When described external combination load coil phased array adopts 2 × 2 coil groups, describe for setting forth conveniently with 2 × 2 herein, be not limited to 2 × 2 coil matrix in use, described circular order heating schedule step is as follows:
1) press total startup button;
2) press circular order heating button;
3) the first moving together contact is connected, and coil (21) energising, heats mould;
4) after several seconds zero point of time delay, the first moving together contact disconnect coil (21) power-off simultaneously closed the second moving together contact so that coil (22) energising;
5), after several seconds zero point of time delay, the second moving together contact disconnects simultaneously closed the 3rd moving together contact of coil (22) power-off so that coil (23) energising;
6), after several seconds zero point of time delay, the 3rd moving together contact disconnects simultaneously closed the 4th moving together contact of coil (23) power-off so that coil (24) energising;
7) after several seconds zero point of time delay, the 4th moving together contact disconnect coil (24) power-off simultaneously closed the first moving together contact so that coil (21) energising;
8) then so circulation until stop key is pressed.
A kind of external combination load coil phased 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 made up of coil general frame and several induction coil assemblies that are flexibly connected with it by corresponding adjusting bolt that (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), can realize the matched well of coil and die cavity by adjusting bolt, well solve the poor problem of coil versatility.Under control system control, in this external built-up coil cell matrix, each coil can carry out power on/off according to the power of program and program setting, frequency and time simultaneously.For small-sized matrix coils, while carrying out entirety heating, each induction coil assembly is at a time only had and only has in a coil unit to have alternating current by program, so at a time only have a coil unit to produce magnetic field, eliminate the phase mutual interference between unit coil magnetic field, avoided energy loss.And from whole heating process, by interval time closed between control coil unit, can make coil unit seem that entirety, all in work, so just can improve eddy-current heating speed effectively.And for large-scale matrix coil, each induction coil assembly at a time can only have in a coil unit and has alternating current, also can have several coils of appointment to pass into alternating current simultaneously.Because for 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 be by programme-control, make the single or multiple coil units of phased array carry out closure/disconnection according to the power of program and program setting, frequency and time, to realize the local heat of die cavity, strengthen the flexibility of heating.Be specially adapted to the heating of injection mould complicated mold cavity and the local heat of injection mould die cavity.
Effective effect of the present invention is influencing each other between the magnetic field producing after the external combination load coil energising that can eliminate for injection moulding, thereby raising eddy-current heating efficiency can guarantee again the uniformity of heating.Switch coil, to realize the local heat of die cavity, has improved the flexibility of heating greatly separately simultaneously.
Below with reference to accompanying drawing, the method effect of design of the present invention, concrete structure and generation is described further, so that those skilled in the art understands object of the present invention, feature and effect fully.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is 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 workflow diagram of the present invention.
The specific embodiment
In preferred embodiments of the present invention, as shown in Figure 1, take 2 × 2 combined type load coils as example, the technical solution adopted in the present invention mainly completes by 8 single-chip microcomputers (C52), keypad, relay, inverter, 2 × 2 combined-type coils.
As shown in Figure 2, the present invention realizes the closing of circuit of combined type load coil 2/disconnect controlled by sequential control system 3 gauge taps 1.Three-phase alternating current obtains more level and smooth direct current after rectification, filtering, then controls power transmission whether to inverter and to the order of inverter power transmission by relay, thus the on off state of control coil circuit and switching sequence.The control of relay is realized by Single-chip Controlling keypad, to realize controlled programming and the automation of system.As shown in Figure 3, thus disconnected the closing of closing order control coil circuit by 4 contacts in Single-chip Controlling relay disconnected.Press always release the button and circulating-heating button situation under, thereby make the first closing of contact opening coil 21, then several seconds zero point of time delay, make the first contact disconnect closing coil 21, make second closing of contact with opening coil 22, so order opening and closing is to complete the entirety heating of die cavity simultaneously.
Described circular order heating schedule step is as follows:
1) press total startup button;
2) press circular order heating button;
3) the first moving together contact is connected, and coil (21) energising, heats mould;
4) after several seconds zero point of time delay, the first moving together contact disconnect coil (21) power-off simultaneously closed the second moving together contact so that coil (22) energising;
5), after several seconds zero point of time delay, the second moving together contact disconnects simultaneously closed the 3rd moving together contact of coil (22) power-off so that coil (23) energising;
6), after several seconds zero point of time delay, the 3rd moving together contact disconnects simultaneously closed the 4th moving together contact of coil (23) power-off so that coil (24) energising;
7) after several seconds zero point of time delay, the 4th moving together contact disconnect coil (24) power-off simultaneously closed the first moving together contact so that coil (21) energising;
8) then so circulation until stop key is pressed.
Make each coil look because delay time is shorter 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) the total unlatching button pushing button on plate;
2) if make each coil cycle alternation power to heat entirety, by lower coil circular order heating button; If the coil that needs unlatching is determined according to heating position in heating mould part, and press the button of corresponding coil;
3) after heating, press and stop key, by device shutdown.
More than describe preferred embodiment of the present invention in detail.The ordinary skill that should be appreciated that this area just can design according to the present invention be made many modifications and variations without creative work.Therefore, all technical staff are in the art under this invention's idea on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment, all should be being asked in determined protection domain by claim.
Claims (10)
1. an external combination load coil phased array heating system, be mainly used in die cavity Fast Heating and local heat, it is characterized in that, by fairing, filter, one group of external combination load coil phased array, one group of inverter, relay and sequential composition of the control system, described fairing is connected with described filter, described filter is connected with described relay, described sequential control system is connected with described relay, described relay is connected with described one group of inverter, described one group of inverter is connected with one group of external combination load coil phased array.
2. external combination load coil phased array heating system according to claim 1, it is characterized in that, described one group of inverter is formed by multiple inverter parallels, wherein one end of each inverter is connected on described relay, and the other end is connected to it in corresponding described one group of external combination load coil phased array on single induction coil assembly.
3. external combination load coil phased array heating system according to claim 1, is characterized in that, described relay has multiple moving together contact.
4. external combination load coil phased array heating system according to claim 1, is characterized in that, described sequential control system is made up of single-chip microcomputer and keypad, and described keypad is connected on described single-chip microcomputer.
5. external combination load coil phased array heating system according to claim 4, it is characterized in that, described keypad comprises 7 buttons: always open button, stop key, coil circular order heating button, coil (21) are opened separately button, coil (22) is opened separately button, coil (23) is opened separately button, coil (24) is opened separately button.
6. the utilization of an external combination load coil phased array heating system as claimed in claim 5, it is characterized in that, described external combination load coil phased array heating system, under the control of its sequential control system, in described external combination load coil phased array induction coil assembly according to the power of program and program setting, frequency and time carry out successively power on/off or otherwise carry out power on/off, for the entirety heating in film chamber; Or by program control system, make in described external combination load coil phased array single or multiple induction coil assemblies carry out according to the power of program and program setting, frequency and time power on/off, to realize the local heat of die cavity.
7. the application of external according to claim 6 combination load coil phased array heating system, is characterized in that, described combination load coil phased 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 in an induction coil assembly, has alternating current or have several induction coil assemblies of appointment to have alternating current simultaneously;
Described sequential control system, in described single-chip microcomputer, the program of the each heating mode of preset control, is realized the switching of each heating mode by keypad;
Described relay has multiple moving together contact controlled, controlled to realize the power supply of corresponding multiple induction coil assemblies.
8. the application of external combination load coil phased array heating system according to claim 7, it is characterized in that, described heating mode comprises the power on/off separately of power on/off and each induction coil assembly of the order of load coil phased array entirety; By closure and the disconnection of the each contact of program control system control relay, thereby the switch of controlling each inverter is to realize the interleaved power of each induction coil assembly or power supply separately; Or, realize interval time power on/off between each induction coil assembly by program control system controlled.
9. the application of external combination load coil phased array heating system according to claim 6, is characterized in that, described external combination load coil phased array heating system, comprises the steps:
(1) the total unlatching button pushing button on plate;
(2), if make each induction coil assembly cycle alternation power to heat entirety, press induction coil assembly circular order heating button; If the induction coil assembly that needs unlatching is determined according to heating position in heating mould part, and press the button of corresponding induction coil assembly;
(3) after heating, press and stop key, by device shutdown.
10. the application of external combination load coil phased array heating system according to claim 9, it is characterized in that, when described external combination load coil phased array adopts 2 × 2 induction coil assembly, the program step of described circular order heating is as follows:
1) press total startup button;
2) press circular order heating button;
3) the first moving together contact is connected, and coil (21) energising, heats mould;
4) after several seconds zero point of time delay, the first moving together contact disconnect coil (21) power-off simultaneously closed the second moving together contact so that coil (22) energising;
5), after several seconds zero point of time delay, the second moving together contact disconnects simultaneously closed the 3rd moving together contact of coil (22) power-off so that coil (23) energising;
6), after several seconds zero point of time delay, the 3rd moving together contact disconnects simultaneously closed the 4th moving together contact of coil (23) power-off so that coil (24) energising;
7) after several seconds zero point of time delay, the 4th moving together contact disconnect coil (24) power-off simultaneously closed the first moving together contact so that coil (21) energising;
8) then so circulation until stop key is pressed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102740520A CN102740520A (en) | 2012-10-17 |
| CN102740520B true CN102740520B (en) | 2014-05-21 |
Family
ID=46995046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210196874.XA Active 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 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102740520B (en) |
Families Citing this family (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 |
| US10308992B2 (en) * | 2015-08-20 | 2019-06-04 | Ford Motor Company | Method and system for selectively softening hot stamped parts by induction heating |
| CN106102199B (en) * | 2016-06-28 | 2019-09-13 | 福州大学 | A kind of induction heating equipment and method of leggy multi-coil |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000158505A (en) * | 1998-11-27 | 2000-06-13 | Asahi Chem Ind Co Ltd | Method for molding polyacetal resin |
| JP4431441B2 (en) * | 2004-05-27 | 2010-03-17 | フィーサ株式会社 | Injection molding method and injection molding apparatus |
| 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 |
-
2012
- 2012-06-14 CN CN201210196874.XA patent/CN102740520B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN102740520A (en) | 2012-10-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100596249C (en) | Method of heating materials in order to produce objects and device for implementing said method | |
| CN102740520B (en) | Induction heating system with external combined induction heating coil phased arrays and application for induction heating system | |
| CN201483735U (en) | High-efficiency energy-saving molding machine | |
| US11390001B2 (en) | Method and device for consolidating a textile preform and overmoulding | |
| CN211848637U (en) | Paper-plastic product forming and heating equipment | |
| CN202753361U (en) | Induction heating system of external combination induction heating coil phased arrays | |
| CN203611409U (en) | Four-station rotational molding machine with movable oven | |
| CN104859105B (en) | Cold and hot double-position rotary rapid thermal circulation injection mould and forming method | |
| CN200994386Y (en) | Electromagnetic tea heater | |
| CN204036786U (en) | Control the device of hot flow path many glue-feeders mould injection time | |
| CN103009806B (en) | Unit type intaglio press energy efficiency temperature control system | |
| CN109986757A (en) | A kind of energy-efficient injection molding machine | |
| CN208759962U (en) | A kind of high precision numerical control injection molding machine | |
| CN212162541U (en) | Switch board with control by temperature change regulatory function | |
| CN108032486A (en) | A kind of dual power supply injection (mo(u)lding) machine | |
| CN201615903U (en) | Bimetallic strip stability testing machine | |
| CN107309149B (en) | Energy-saving full-thread glass fiber reinforced plastic anchor rod oven | |
| CN201659738U (en) | Printing roller change cooling device for laser holographical mould press | |
| CN201645751U (en) | Automatic cutting net device | |
| CN103128895A (en) | Heating box and rotational molding apparatus | |
| CN218576795U (en) | Induction heating device for flat plate mould pressing mould | |
| CN220534749U (en) | Quick heating device for composite material battery shell mold | |
| CN110733147A (en) | Heating device for tableware molds | |
| CN210552741U (en) | Injection mold for manufacturing micro-power-supply plastic shell | |
| JP6963081B1 (en) | How to operate an electric injection molding machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160914 Address after: 241009 Anhui Province, Wuhu Economic Development Zone Industrial Park on the Bridge North Gate Road No. 9 Building No. 4 Kasho Ouyi Industrial Park Patentee after: WUHU JINGYIDA PLASTIC INDUSTRY CO.,LTD. Address before: 200240 Dongchuan Road, Shanghai, No. 800, No. Patentee before: Shanghai Jiao Tong University |
|
| CP03 | Change of name, title or address |
Address after: 241005 Anhui province Ouyang Wuhu City Economic and Technological Development Zone No. 30 Hu Lu Patentee after: WUHU JINGYIDA MOLDING CO.,LTD. Address before: 241009 Anhui Province, Wuhu Economic Development Zone Industrial Park on the Bridge North Gate Road No. 9 Building No. 4 Kasho Ouyi Industrial Park Patentee before: WUHU JINGYIDA PLASTIC INDUSTRY CO.,LTD. |
|
| CP03 | Change of name, title or address | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
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 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20190305 Granted publication date: 20140521 Pledgee: Bank of China Limited by Share Ltd. Wuhu branch Pledgor: WUHU JINGYIDA MOLDING CO.,LTD. Registration number: 2018340000036 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
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 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
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 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
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 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20140521 Pledgee: Bank of China Limited by Share Ltd. Wuhu branch Pledgor: WUHU JINGYIDA MOLDING CO.,LTD. Registration number: Y2023980030980 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
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 |