CN205336568U - Novel shielding formula electromagnetic heating device - Google Patents
Novel shielding formula electromagnetic heating device Download PDFInfo
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- CN205336568U CN205336568U CN201521005367.9U CN201521005367U CN205336568U CN 205336568 U CN205336568 U CN 205336568U CN 201521005367 U CN201521005367 U CN 201521005367U CN 205336568 U CN205336568 U CN 205336568U
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Abstract
The utility model relates to a novel shielding formula electromagnetic heating device for working medium heating in the inner conduit, the device includes interior list wind the line ring layer and outer double -wound coil layer, interior list winds the line the ring layer and includes single coil, the one -way coiling of single coil in inner conduit's surface, outer double -wound coil layer includes the double -wound coil, twoly winds the line the surface of ring layer around coil winding in interior list and singly winds the line in just covering behind the single coil and coiling in the ring layer the magnetic line of force opposite direction of double -wound coil, single coil switch -on high frequency alternating current utilizes the working medium in the electromagnetic heating principle heating inner conduit, and the double -wound coil utilizes the electromagnetism to offset the principle and eliminates electromagnetic radiation, realizes that electromagnetic shield keeps apart. The utility model provides a novel shielding formula electromagnetic heating device, simple structure, heating efficiency is high, and is energy -concerving and environment -protective to have higher security and reliability.
Description
Technical field
This utility model relates to heating technical field of heat exchange, particularly relates to a kind of Novel shielding type electromagnetic heater。
Background technology
The two kinds of mode of heatings being most widely used at present are resistance heating manner and Electromagnetic Heating mode。Resistance heating manner utilizes Joule effect directly heat heated material or indirectly heat the mode of heated material after referring to resistive conductor turn-on current, resistance heating manner is owing to adopting the heating heating heated materials such as such as resistance wire, general heat energy loss is big, and the heat energy dissipation of a large amount of loss is to surrounding, ambient temperature is caused to rise, increase the probability that greenhouse effect produces further, and increase the probability needing optional equipment facility that the surrounding heated up is lowered the temperature again, cause great cost and the wasting of resources；Additionally, the service life of resistive conductor is short, potential safety hazard is high, therefore safeguards and maintenance cost increases, be unfavorable for promoting the use of of resistance heating manner。Electromagnetic Heating mode refers to that electromagnetic induction coil utilizes electromagnetic induction principle to convert electrical energy into the mode of heating of heat energy, owing to it is generally adopted the electromagnetic induction coil of special high temperature high voltage resistant, insulating properties is good, safety is higher, long service life, therefore Electromagnetic Heating mode replaces resistance heating manner gradually becomes main flow mode of heating, but, the electromagnetic heater of existing employing Electromagnetic Heating mode, or it is not provided with screen layer, very easily produce leakage current, and electromagnetic wave leaks and causes electromagnetic pollution, cause higher potential safety hazard；Or the screen layer arranged cannot ensure shielding properties requirement, therefore cannot meeting the safety in utilization of electromagnetic heater, and irrational screen layer arranges and also causes electromagnetic heater structure complicated, cost increases。
Utility model content
The problems such as structure complexity, potential safety hazard height and cost budgeting height that this utility model exists for existing electromagnetic heater, a kind of Novel shielding type electromagnetic heater is provided, single coiling is adopted to realize Electromagnetic Heating and adopt double-wound coil to eliminate electromagnetic radiation, realize electromagnetic shielding isolation simultaneously, this electromagnetic heater simple in construction and then reduction cost budgeting, achieve energy-efficient Electromagnetic Heating function, improve safety and reliability simultaneously。
The technical solution of the utility model is as follows:
A kind of Novel shielding type electromagnetic heater, heat for the working medium in inner catheter, it is characterized in that, including interior single coiling ring layer and outer double-wound coil layer, described interior single coiling ring layer includes single coiling, the unidirectional outer surface being wound in inner catheter of described single coiling, described outer double-wound coil layer includes double-wound coil, described double-wound coil be wound in interior single coiling ring layer outer surface and cover the single coiling in interior single coiling ring layer and after coiling the magnetic line of force of described double-wound coil in opposite direction。
Described interior single coiling ring layer also includes internal shield, and described internal shield is arranged at the outer layer of single coiling, and the double-wound coil of described outer double-wound coil layer is wound in the outer surface of internal shield and covers interior single coiling ring layer。
Described outer double-wound coil layer also includes external shielding layer, and described external shielding layer is arranged at the outer layer of double-wound coil。
Described single coiling is single or the wire coiling in one direction of more than two forms；
Described double-wound coil adopts the solid conductor of doubling be wound in the outer surface of interior single coiling ring layer and cover single coiling；Or, described double-wound coil adopts solid conductor to turn back after being wound in the outer surface of interior single coiling ring layer and covering single coiling coiling and still cover single coiling again；Or, described double-wound coil adopts two wires be wound in the outer surface of interior single coiling ring layer based on bifilar winding and cover single coiling, and described two current in wire directions are identical, around identical to contrary and forward and reverse coiling number of turn；Or, described double-wound coil adopts two wires be wound in the outer surface of interior single coiling ring layer based on bifilar winding and cover single coiling, and described two current in wire are in opposite direction, around identical to identical and forward and reverse coiling number of turn。
Described internal shield is that metal film is made。
Described external shielding layer is that metal film is made。
Also including power circuit and controller, described single coiling connects power circuit, and described power circuit is connected with controller。
Being additionally provided with converter on described power circuit, described controller is connected with converter；
And/or, also include working medium container, described working medium container has through the through hole of inner catheter and stores working medium in the cool-bag that described working medium container after inner catheter is sealing structure and working medium container, and described power circuit leads to the outside of working medium container and is connected with controller。
Technique effect of the present utility model is as follows:
A kind of Novel shielding type electromagnetic heater that this utility model relates to, including interior single coiling ring layer and outer double-wound coil layer, adopting single coiling to connect high frequency alternating current utilizes Electromagnetic Heating principle to realize Electromagnetic Heating, the efficiency of heating surface is high, mode of heating energy-conserving and environment-protective, at interior single coiling ring layer arranged outside double-wound coil, after double-wound coil is wound in the outer surface of interior single coiling ring layer and covers interior single coiling ring layer and coiling, the magnetic line of force of described double-wound coil is in opposite direction, operationally, same high frequency alternating current is formed on double-wound coil two high frequency alternating current that size is identical, and then it is in opposite direction to form two electromagnetic induction magnetic lines of force, magnetic flux is identical, electromagnetism principle of cancellation is utilized to effectively eliminate electromagnetic radiation, prevent electromagnetic wave from leaking, improve the safety and reliability of electromagnetic heater；The internal shield being preferably provided with between single coiling and double-wound coil achieves the first of this electromagnetic heater and heavily shields isolation features, and single coiling utilizes the elimination electromagnetic radiation of electromagnetism principle of cancellation to achieve second and heavily shields isolation features；The external shielding layer being preferably provided with outside double-wound coil achieves the triple-shielded isolation features of this electromagnetic heater, this triple-shielded isolation features is effectively prevented electromagnetic wave and leaks, isolation electromagnetic radiation, further enhancing the safety and reliability of electromagnetic heater。Further, the electromagnetic heater simple in construction that the utility model proposes, cost budgeting is low, and the efficiency of heating surface is high, energy-conserving and environment-protective。
The double-wound coil that this utility model protected type electromagnetic heater adopts can adopt the solid conductor of doubling be wound in the outer surface of interior single coiling ring layer and cover single coiling；Or adopt solid conductor to turn back again after being wound in the outer surface of interior single coiling ring layer and covering single coiling coiling and still cover single coiling；Double-wound coil essence in both schemes is solid conductor coiling。In addition, the double-wound coil that this utility model protected type electromagnetic heater adopts can also adopt two wires be wound in the outer surface of interior single coiling ring layer based on bifilar winding and cover single coiling, and described two current in wire directions are identical, around identical to contrary and forward and reverse coiling number of turn；Or adopting two wires be wound in the outer surface of interior single coiling ring layer based on bifilar winding and cover single coiling, described two current in wire are in opposite direction, around identical to identical and forward and reverse coiling number of turn；Double-wound coil essence in both schemes is the specific coiling of two wires。Except such scheme, it is also possible to according to concrete actual demand situation and security reliability requirement, adopt other canoe and radical, only need two electromagnetic induction magnetic lines of force after ensureing double-wound coil coiling in opposite direction, can realizing electromagnetism to offset, mode is flexible, it is easy to accomplish。
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model protected type electromagnetic heater。
Fig. 2 is a kind of preferred structure schematic diagram of this utility model protected type electromagnetic heater。
In figure, each label lists as follows:
1-inner catheter；The mono-coiling of 2-；3-internal shield；4-double-wound coil；5-external shielding layer。
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is illustrated。
The utility model discloses a kind of Novel shielding type electromagnetic heater, heat for the working medium in inner catheter 1, its structural representation is as shown in Figure 1, including interior single coiling ring layer and outer double-wound coil layer, interior single coiling ring layer includes single coiling 2, single unidirectional outer surface being wound in inner catheter 1 of coiling 2, inner catheter 1 can adopt nonmetallic insulating heat insulating material, outer double-wound coil layer includes double-wound coil 4, double-wound coil 4 be wound in interior single coiling ring layer outer surface and cover the single coiling 2 in interior single coiling ring layer and after coiling the magnetic line of force of double-wound coil 4 in opposite direction, when interior single coiling ring layer only single coiling, double-wound coil 4 is wound in the outer surface of single coiling 2 and covers single coiling 2, preferably completely cover single coiling 2 to strengthen shielding isolation features, when practical application, after double-wound coil 4 coiling, single coiling 2 possibly cannot can be visually seen from the outside, therefore Fig. 1 is only schematic diagram, it is for ease of viewing, it can be appreciated that be by broken section。Wherein, single coiling 2 can form for single or more than two wire coiling in one direction；Double-wound coil 4 can form for single or more than two wire coiling, specifically, double-wound coil 4 can adopt the solid conductor of doubling be wound in the outer surface of interior single coiling ring layer and cover single coiling 2, because be solid conductor be folded to form two-wire so time two-wire electric current be contrary, by bifilar winding coiling, around to arbitrarily, the coiling number of turn is also any, as long as covering single coiling 2；Double-wound coil 4 can also adopt solid conductor to turn back after being wound in the outer surface of interior single coiling ring layer and covering single coiling 2 coiling and still cover single coiling 2 again, such as solid conductor forward coiling is turned back after covering single coiling 2 forward coiling or oppositely wound again cover single coiling 2 again, the finally double wrap form that remains of embodiment, and the electric current of two-wire now is also contrary。The solid conductor forming double-wound coil 4 in both schemes and the wire forming single coiling 2 can be same, it is also possible to be different roots。Double-wound coil 4 can also adopt two wires be wound in the outer surface of interior single coiling ring layer based on bifilar winding and cover single coiling 2, and the sense of current now passing into two wires is identical, around identical to contrary and forward and reverse coiling number of turn；Double-wound coil 4 can also adopt two wires be wound in the outer surface of interior single coiling ring layer based on bifilar winding and cover single coiling 2, and the sense of current now passing into two wires is contrary, around identical to identical and forward and reverse coiling number of turn。In both schemes, in two wires of formation double-wound coil 4 can be same with the wire of the single coiling 2 of formation, it is also possible to is different roots。Can also situation according to the actual requirements, double-wound coil 4 adopts other canoe and radical, can be such as solid conductor after repeatedly doubling further around being formed on the outer surface of interior single coiling ring layer and covering single coiling 2, or the radical coiling of integral multiple of above-mentioned two wires is set etc., only need to ensure that the electromagnetic induction magnetic line of force is in opposite direction, magnetic flux is identical, it is possible to achieve electromagnetism is offset。
Interior single coiling ring layer can also include internal shield 3, preferred structure as shown in Figure 2, internal shield 3 is arranged at the outer layer of single coiling 2, and the double-wound coil 4 of outer double-wound coil layer is wound in the outer surface of internal shield 3 and covers internal shield 3, internal shield 3 can be isometric with single coiling 2 or be slightly longer than single coiling 2, and double-wound coil 4 preferably completely covers internal shield 3 (single coiling 2 is namely completely covered) and shields isolation features to strengthen；Outer double-wound coil layer can also include external shielding layer 5, preferred structure as shown in Figure 2, and external shielding layer 5 is arranged at the outer layer of double-wound coil 4；Internal shield 3 and external shielding layer 5 all can adopt the screen layer that metal film makes, for instance the screened film (being also commonly referred to as red copper film) of metal material red copper film production, it is possible to achieve respond well electromagnetic shielding and itself is nonmagnetic, wear-resistant。The Novel shielding type electromagnetic heater that the utility model proposes adopts single coiling 2 to connect high frequency alternating current and utilizes the working medium in Electromagnetic Heating principle heating inner catheter 1；After double-wound coil 4 connects high frequency alternating current, same high frequency alternating current is formed on double-wound coil 4 size equidirectional is contrary or size equidirectional is identical two high frequency alternating current (in opposite direction or two high frequency alternating current that the direction that varies in size is identical and by optimizing the double-wound coil 4 parameter such as coiling number of turn of varying in size can also be set further, and then form the electromagnetic field that two electromagnetic induction magnetic line of force magnetic flux in opposite direction is identical), and then two electro magnetic field electromagnetic induced magnetism lines of formation are in opposite direction, magnetic flux is identical, effectively to eliminate electromagnetic radiation, prevent electromagnetic wave from leaking and cause electromagnetic pollution, realize shielding isolation。The internal shield 3 arranged between single coiling 2 and double-wound coil 4 achieves the first of electromagnetic heater and heavily shields isolation features, and single coiling 2 utilizes above-mentioned electromagnetism principle of cancellation to eliminate electromagnetic radiation and heavily shields isolation features to realize second；The external shielding layer 5 of double-wound coil 4 arranged outside achieves the triple-shielded isolation features of electromagnetic heater, this triple-shielded isolation features is effectively prevented electromagnetic wave and leaks, isolation electromagnetic radiation, advantages of good shielding performance, enhance the safety and reliability of electromagnetic heater。
The Novel shielding type electromagnetic heater that the utility model proposes can also include power circuit and controller, single coiling 2 connect power circuit and simultaneously power circuit be connected with controller；Controller can control connection and the disconnection of single coiling 2 and power circuit, namely control power-on circuit and make single coiling 2 normal operation (when namely the working medium in inner catheter 1 is lower than preset temperature list coiling 2 be unlocked normal operation), or control deenergization circuit and make single coiling 2 quit work (when namely the working medium in inner catheter 1 is higher than preset temperature, list coiling 2 is disconnected and quits work)。Power circuit can also be arranged converter and simultaneously converter be connected with controller；Converter is connected power frequency alternating current be connected with single coiling 2 again through power circuit, controller is connected the output frequency controlling converter with converter, utilize converter technique to pass through converter and change power frequency alternating current frequency, single coiling 2 connect the frequency conversion of converter output after high frequency alternating current utilize the working medium in Electromagnetic Heating principle heating inner catheter 1 to realize variable-frequency heating。The electromagnetic heater of this preferred structure is suitable for realizing variable-frequency electromagnetic heating system further, and adapts to development and the popularization in efficient, energy-conservation, the safe variable-frequency electromagnetic heating technique market of a new generation。
The Novel shielding type electromagnetic heater that the utility model proposes can also include working medium container, working medium container has through the through hole of inner catheter 1 and being seal in the cool-bag of structure and working medium container to store working medium through working medium container after inner catheter 1, and the power circuit being connected with single coiling 2 leads to the outside of working medium container connection and the disconnection to control list coiling 2 and power circuit that can be connected with controller。Now, it will be appreciated that for the structure shown in Fig. 1 or Fig. 2 penetrates working medium container, inner catheter 1 is through working medium container, and interior single coiling ring layer and outer double-wound coil layer are all stayed in working medium container, and single coiling 2 directly or indirectly contacts with the working medium in working medium container。So, single coiling 2 is operationally except the working medium in heating inner catheter 1, working medium in all right directly or indirectly heating working medium container, can enter, after working medium in inner catheter 1 is heated, the circulation line being in communication with the outside, carry out insulation after the working medium in working medium container is heated and store in order to subsequent applications。
It should be pointed out that, that the above detailed description of the invention can make those skilled in the art more fully understand the invention, but do not limit the present invention in any way creation。Therefore; although the invention is had been carried out describing in detail by this specification with reference to drawings and Examples; but; skilled artisan would appreciate that; still the invention can be modified or equivalent replacement; in a word, all are without departing from the technical scheme of the spirit and scope of the invention and improvement thereof, and it all should be encompassed in the middle of the protection domain of the invention patent。
Claims (9)
1. a Novel shielding type electromagnetic heater, heat for the working medium in inner catheter, it is characterized in that, including interior single coiling ring layer and outer double-wound coil layer, described interior single coiling ring layer includes single coiling, the unidirectional outer surface being wound in inner catheter of described single coiling, described outer double-wound coil layer includes double-wound coil, described double-wound coil be wound in interior single coiling ring layer outer surface and cover the single coiling in interior single coiling ring layer and after coiling the magnetic line of force of described double-wound coil in opposite direction。
2. Novel shielding type electromagnetic heater according to claim 1, it is characterized in that, described interior single coiling ring layer also includes internal shield, described internal shield is arranged at the outer layer of single coiling, and the double-wound coil of described outer double-wound coil layer is wound in the outer surface of internal shield and covers interior single coiling ring layer。
3. Novel shielding type electromagnetic heater according to claim 1, it is characterised in that described outer double-wound coil layer also includes external shielding layer, and described external shielding layer is arranged at the outer layer of double-wound coil。
4. Novel shielding type electromagnetic heater according to claim 2, it is characterised in that described outer double-wound coil layer also includes external shielding layer, and described external shielding layer is arranged at the outer layer of double-wound coil。
5. according to the Novel shielding type electromagnetic heater one of Claims 1-4 Suo Shu, it is characterised in that described single coiling is single or the wire coiling in one direction of more than two forms；
Described double-wound coil adopts the solid conductor of doubling be wound in the outer surface of interior single coiling ring layer and cover single coiling；Or, described double-wound coil adopts solid conductor to turn back after being wound in the outer surface of interior single coiling ring layer and covering single coiling coiling and still cover single coiling again；Or, described double-wound coil adopts two wires be wound in the outer surface of interior single coiling ring layer based on bifilar winding and cover single coiling, and described two current in wire directions are identical, around identical to contrary and forward and reverse coiling number of turn；Or, described double-wound coil adopts two wires be wound in the outer surface of interior single coiling ring layer based on bifilar winding and cover single coiling, and described two current in wire are in opposite direction, around identical to identical and forward and reverse coiling number of turn。
6. Novel shielding type electromagnetic heater according to claim 2, it is characterised in that described internal shield is that metal film is made。
7. the Novel shielding type electromagnetic heater according to claim 3 or 4, it is characterised in that described external shielding layer is that metal film is made。
8., according to the Novel shielding type electromagnetic heater one of Claims 1-4 Suo Shu, it is characterised in that also include power circuit and controller, described single coiling connects power circuit, and described power circuit is connected with controller。
9. Novel shielding type electromagnetic heater according to claim 8, it is characterised in that being additionally provided with converter on described power circuit, described controller is connected with converter；
And/or, also include working medium container, described working medium container has through the through hole of inner catheter and stores working medium in the cool-bag that described working medium container after inner catheter is sealing structure and working medium container, and described power circuit leads to the outside of working medium container and is connected with controller。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521005367.9U CN205336568U (en) | 2015-12-07 | 2015-12-07 | Novel shielding formula electromagnetic heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521005367.9U CN205336568U (en) | 2015-12-07 | 2015-12-07 | Novel shielding formula electromagnetic heating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205336568U true CN205336568U (en) | 2016-06-22 |
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ID=56212100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521005367.9U Withdrawn - After Issue CN205336568U (en) | 2015-12-07 | 2015-12-07 | Novel shielding formula electromagnetic heating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205336568U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105392225A (en) * | 2015-12-07 | 2016-03-09 | 汪沛 | Novel shielding type electromagnetic heating apparatus and heating method |
| CN107505557A (en) * | 2017-08-03 | 2017-12-22 | 中南大学 | Flexible loading test device for microelectronic component |
-
2015
- 2015-12-07 CN CN201521005367.9U patent/CN205336568U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105392225A (en) * | 2015-12-07 | 2016-03-09 | 汪沛 | Novel shielding type electromagnetic heating apparatus and heating method |
| CN105392225B (en) * | 2015-12-07 | 2018-09-21 | 汪沛 | A kind of novel shielding type electromagnetic heater and heating means |
| CN107505557A (en) * | 2017-08-03 | 2017-12-22 | 中南大学 | Flexible loading test device for microelectronic component |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160622 Effective date of abandoning: 20180921 |