CN102917484A - High-frequency electromagnetic heating device - Google Patents
High-frequency electromagnetic heating device Download PDFInfo
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- CN102917484A CN102917484A CN2012103633219A CN201210363321A CN102917484A CN 102917484 A CN102917484 A CN 102917484A CN 2012103633219 A CN2012103633219 A CN 2012103633219A CN 201210363321 A CN201210363321 A CN 201210363321A CN 102917484 A CN102917484 A CN 102917484A
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Abstract
The invention discloses a high-frequency electromagnetic heating device and discloses a technical scheme which not only can meet production needs but also can save energy and protect an environment. The high-frequency electromagnetic heating device comprises a heat-insulation insulating protective layer, electromagnetic coils, heat-insulation insulating blankets, arc round iron plates, arc round copper plates, positive and negative electrodes, a fixed connection bridge, a hot runner tube body, a reinforcing screw and a plurality of leads; and the electromagnetic coils, the heat-insulation insulating blankets, the arc round iron plates and the arc round copper plates form a plurality of high-frequency heating units which are coated at the periphery of the hot runner tube body and fixed at the periphery of the hot runner tube body through the heat-insulation insulating protective layer. The high-frequency electromagnetic heating device is characterized in that the plurality of high-frequency heating units are arranged; and each high-frequency heating unit is composed of an electromagnetic layer formed by the electromagnetic coil, a heat-insulating layer formed by the heat-insulation insulating blanket, an induction heating layer formed by the arc round iron plate, and a heat-conducting layer formed by the arc round copper plate; the electromagnetic coil of each high-frequency heating unit is connected to the positive or negative electrode in parallel via the lead, and fixedly arranged on the hot runner tube body via the fixed connection bridge of the heat-insulation insulating protective layer.
Description
Technical field
The present invention relates to a kind of electromagnetic heater, exactly disclose a kind of high-frequency electromagnetic heating device.
Background technology
Traditional injection molding machine heat flow tube, mostly for being wrapped in injection molding machine hot flow path body, resistance wire arrives electric heating outward, this mode of heating has been guaranteed needed temperature in the hot flow path on the one hand, fluid is subjected to temperature evenly, reduced the inferior rate of injecting products, improved product quality, therefore be injection molding for a long time industry and use.But also there are a lot of weak points in the method, and for example: 1, the resistance wire power consumption is larger, wastes energy; 2, because resistance wire is wrapped in hot flow path body periphery, and then hide with protective sleeve, half is absorbed the heat that resistance wire produces by the hot flow path body, second half then is dispersed in the air, cause the energy heavy losses, increase production cost, and affected production environment, brought very large inconvenience to operating personnel; 3, the peripheral resistance wire configuration of hot flow path mostly is the original-pack configuration of injection molding machine manufacturer, heated perimeter power is fixed, inconvenience dismounting, self-contained, temperature constant, therefore when using different raw materials for production particles, because each feed particles fusing point is different, need the injection molding machine of transposing different capacity, satisfying need of production, thereby strengthened the cost of investment of injection moulding manufacturing enterprise.
Summary of the invention
A kind of high-frequency electromagnetic heating device, disclose a kind of again technical scheme of energy-conserving and environment-protective of need of production that can satisfy for addressing the above problem exactly, having comprised: thermal resistance insulating protective layer (1), solenoid (2), partiting thermal insulation bed course (3), curved circular iron plate (4), curved circular copper coin (5), positive and negative electrode (6,6 '), fixedly crossover (7), hot flow path body (8) and reinforce screw (9) and some wires; Consist of the high frequency heat-generating units by solenoid (2), partiting thermal insulation bed course (3), curved circular iron plate (4) and curved circular copper coin (5), be wrapped in the periphery of hot flow path body (8), and be fixed on the periphery of hot flow path body (8) through thermal resistance insulating protective layer (1); It is characterized in that: described high frequency heat-generating units has several, the electromagnetic layer that each high frequency heat-generating units consists of by solenoid (2), the thermal insulation layer that partiting thermal insulation bed course (3) consists of, the induction heating layer that curved circular iron plate (4) consists of, the heat-conducting layer that curved circular copper coin (5) consists of forms, soon the medial surface in thermal resistance insulating protective layer (1) is arranged and be installed with to each solenoid (2) in order, cover partiting thermal insulation bed course (3) above the solenoid (2), and then on the upper corresponding curved circular iron plate (4) that is installed with solenoid (2) of partiting thermal insulation bed course (3), curved circular copper coin (5) is put in the upper riveting of curved circular iron plate (4), and the solenoid of each high frequency heat-generating units (2) is connected in parallel to positive pole (6) or negative pole (6 ') through wire; The circular diameter of described curved circular iron plate (4) is slightly less than the circular diameter of solenoid (2), the circular diameter of curved circular copper coin (5) is slightly less than the circular diameter of curved circular iron plate (4), the radian size of wherein said solenoid (2), curved circular iron plate (4) and curved circular copper coin (5) guarantees when being wrapped in hot flow path body (8) peripheral when each high frequency heat-generating units, all can closely post together between the outer wall of above-mentioned electromagnetic layer, thermal insulation layer, induction heating layer, heat-conducting layer and hot flow path body (8) to get final product; All keep 2～5cm gap between each curved circular copper coin (5) between each curved circular iron plate (4) and in the described heat-conducting layer in the described induction heating layer; Described thermal resistance insulating protective layer (1) skin is sheet metal, and internal layer is pasted the asbestos board (being sign among the figure) of compacting, and wherein the position at each solenoid (2) place is the helical groove of compacting; Described thermal resistance insulating protective layer (1) is rectangle when launching; its width is to get final product around a peripheral week of hot flow path body (8); thermal resistance insulating protective layer (1) arranges respectively fixedly crossover (7) around the edge that mutually joins behind the hot flow path body (8); and at fixing crossover (7) several screws are set, this invention is fastened on the periphery of hot flow path body (8) through screw (9).
The advantage of this invention: 1, owing to adopted the mode of high-frequency electromagnetic coil induction heating, therefore save the energy, and the heat that produces is owing to be subject to the isolation of thermal insulation layer and thermal resistance insulating protective layer, can't be lost to surrounding space, protected the operating environment of workshop, the equal thermotropism runner of heat body (8) is transmitted, improved and allow heat utilization rate; 2, can increase or the minimizing heating unit according to need of production, perhaps directly increase or reduce the number of packages of this heater; 3, this invention easy accessibility also can directly install additional existing traditional injection-moulding device.
Description of drawings
Referring to accompanying drawing, Fig. 1 is structural representation of the present invention;
Fig. 2 is perspective view of the present invention;
Fig. 3 is that the present invention launches schematic diagram;
Fig. 4 is circuit diagram of the present invention.
Embodiment
Be described further below in conjunction with accompanying drawing 1～4 and specific embodiment and specific features of the present invention.
Referring to accompanying drawing 1～4; this invention is by thermal resistance insulating protective layer (1); solenoid (2); partiting thermal insulation bed course (3); curved circular iron plate (4); curved circular copper coin (5); positive and negative electrode (6; 6 '); fixing crossover (7); hot flow path body (8) and reinforcing screw (9) and some wires consist of; by solenoid (2); partiting thermal insulation bed course (3); curved circular iron plate (4) and curved circular copper coin (5) consist of the high frequency heat-generating units; be wrapped in the periphery of hot flow path body (8), and the fixedly crossover (7) that arranges and screw (9) are fixed on the periphery of hot flow path body (8) above thermal resistance insulating protective layer (1).Only need to select according to the external diameter of injection molding machine hot flow path body this invention of suitable model during use; be installed in the peripheral and fixing of hot flow path body (8); positive pole (6) and the negative pole (6 ') of this invention are connected respectively on the both positive and negative polarity of high-frequency electromagnetic controller; and the high-frequency electromagnetic controller is connected into the alternating current of 220V～380V 50～60HZ; electromagnetic controller becomes AC rectification into direct current; again direct current is converted to the high-frequency high-voltage that frequency is 20-40KHZ; the high-frequency high-voltage current that changes the at a high speed solenoid of flowing through can produce the nuclear varying magnetic field that changes at a high speed; when the inboard magnetic line of force in magnetic field causes rapidly the iron atom high-speed motion during by curved circular iron plate; the mutual friction of iron atom phase makes voluntarily at a high speed heating of curved circular iron plate itself; the heat energy that produces conducts on the hot flow path body through the curved circular copper coin; reach the purpose of heating; because there is the thermal resistance insulating protective layer this device outside; the partiting thermal insulation bed course is set again between curved circular iron plate and the solenoid; therefore the heat energy of curved circular iron plate generation neither can damage solenoid; stoped again heat energy to outdiffusion; make energy that this device produces basically for the production of processing, thereby realize energy-conservation purpose.The energy-conservation scientific and technological heating efficiencies such as injection molding machine, regeneration mechanical equipment are brought up to more than 95%, can saves energy reach 30%-50%, demonstrate fully power savings advantages, reduce aluminium-plastic panel, moulded the processing industry cost of electric energy, improve production efficiency, also improved the operational environment in workshop.
Claims (5)
1. high-frequency electromagnetic heating device comprises: thermal resistance insulating protective layer (1), solenoid (2), partiting thermal insulation bed course (3), curved circular iron plate (4), curved circular copper coin (5), positive and negative electrode (6,6 '), fixedly crossover (7), hot flow path body (8) and reinforce screw (9) and some wires; Described solenoid (2), partiting thermal insulation bed course (3), curved circular iron plate (4) and curved circular copper coin (5) consist of the high frequency heat-generating units, be wrapped in the periphery of hot flow path body (8), and be fixed on the periphery of hot flow path body (8) through thermal resistance insulating protective layer (1); It is characterized in that: described high frequency heat-generating units has several; the electromagnetic layer that each high frequency heat-generating units consists of by solenoid (2); the thermal insulation layer that partiting thermal insulation bed course (3) consists of; the induction heating layer that curved circular iron plate (4) consists of; the heat-conducting layer that curved circular copper coin (5) consists of forms; soon the medial surface in thermal resistance insulating protective layer (1) is arranged and be installed with to each solenoid (2) in order; cover partiting thermal insulation bed course (3) above the solenoid (2); and then on the upper corresponding curved circular iron plate (4) that is installed with solenoid (2) of partiting thermal insulation bed course (3); curved circular copper coin (5) is put in the upper riveting of curved circular iron plate (4), and the solenoid of each high frequency heat-generating units (2) is connected in parallel to positive pole (6) or negative pole (6 ') through wire.
2. a kind of high-frequency electromagnetic heating device according to claim 1, it is characterized in that: the circular diameter of described curved circular iron plate (4) is slightly less than the circular diameter of solenoid (2), the circular diameter of curved circular copper coin (5) is slightly less than the circular diameter of curved circular iron plate (4), wherein said solenoid (2), the radian size of curved circular iron plate (4) and curved circular copper coin (5) is guaranteed when being wrapped in hot flow path body (8) peripheral when each high frequency heat-generating units, above-mentioned electromagnetic layer, thermal insulation layer, the induction heating layer, all can closely post together between the outer wall of heat-conducting layer and hot flow path body (8) and get final product.
3. a kind of high-frequency electromagnetic heating device according to claim 1 is characterized in that: all keep 2～5cm gap between each curved circular copper coin (5) between each curved circular iron plate (4) and in the described heat-conducting layer in the described induction heating layer.
4. a kind of high-frequency electromagnetic heating device according to claim 1; it is characterized in that: described thermal resistance insulating protective layer (1) is outer to be sheet metal; internal layer is pasted the asbestos board of compacting, and wherein the position at each solenoid (2) place is the helical groove of compacting.
5. a kind of high-frequency electromagnetic heating device according to claim 1; it is characterized in that: described thermal resistance insulating protective layer (1) is rectangle when launching; its width is to get final product around a peripheral week of hot flow path body (8); thermal resistance insulating protective layer (1) arranges respectively fixedly crossover (7) around the edge that mutually joins behind the hot flow path body (8); and at fixing crossover (7) several screws are set, this utility model is fastened on the periphery of hot flow path body (8) through screw (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103633219A CN102917484A (en) | 2012-09-26 | 2012-09-26 | High-frequency electromagnetic heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103633219A CN102917484A (en) | 2012-09-26 | 2012-09-26 | High-frequency electromagnetic heating device |
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| Publication Number | Publication Date |
|---|---|
| CN102917484A true CN102917484A (en) | 2013-02-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012103633219A Pending CN102917484A (en) | 2012-09-26 | 2012-09-26 | High-frequency electromagnetic heating device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110856285A (en) * | 2018-08-21 | 2020-02-28 | Lg电子株式会社 | Electric heater |
| CN111050432A (en) * | 2018-10-11 | 2020-04-21 | Lg电子株式会社 | Electric heater |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01171093A (en) * | 1987-12-25 | 1989-07-06 | Matsushita Refrig Co Ltd | Induction heater for automatic vending machine |
| CN1867211A (en) * | 2006-06-14 | 2006-11-22 | 黄克 | Industrial electromagnetic heating process, apparatus and use |
| CN201676813U (en) * | 2010-03-03 | 2010-12-22 | 李海波 | Induction type baking oven heater |
| CN202979345U (en) * | 2012-09-26 | 2013-06-05 | 江苏海德曼建材工业有限公司 | High-frequency electromagnetic heating device |
-
2012
- 2012-09-26 CN CN2012103633219A patent/CN102917484A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01171093A (en) * | 1987-12-25 | 1989-07-06 | Matsushita Refrig Co Ltd | Induction heater for automatic vending machine |
| CN1867211A (en) * | 2006-06-14 | 2006-11-22 | 黄克 | Industrial electromagnetic heating process, apparatus and use |
| CN201676813U (en) * | 2010-03-03 | 2010-12-22 | 李海波 | Induction type baking oven heater |
| CN202979345U (en) * | 2012-09-26 | 2013-06-05 | 江苏海德曼建材工业有限公司 | High-frequency electromagnetic heating device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110856285A (en) * | 2018-08-21 | 2020-02-28 | Lg电子株式会社 | Electric heater |
| CN110856285B (en) * | 2018-08-21 | 2022-03-22 | Lg电子株式会社 | Electric heater |
| US11668470B2 (en) | 2018-08-21 | 2023-06-06 | Lg Electronics Inc. | Electric heater and cooking appliance having same |
| CN111050432A (en) * | 2018-10-11 | 2020-04-21 | Lg电子株式会社 | Electric heater |
| US11253100B2 (en) | 2018-10-11 | 2022-02-22 | Lg Electronics Inc. | Electric heater and electric heating apparatus having same |
| CN111050432B (en) * | 2018-10-11 | 2022-06-17 | Lg电子株式会社 | Electric heater |
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Application publication date: 20130206 |