CN214675748U - Inner hole heating inductor with high coupling efficiency - Google Patents
Inner hole heating inductor with high coupling efficiency Download PDFInfo
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- CN214675748U CN214675748U CN202120769289.9U CN202120769289U CN214675748U CN 214675748 U CN214675748 U CN 214675748U CN 202120769289 U CN202120769289 U CN 202120769289U CN 214675748 U CN214675748 U CN 214675748U
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- epoxy
- induction coil
- copper bar
- inductor
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Abstract
The utility model relates to a high coupling efficiency hole heating inductor, its characterized in that, induction coil adopt the thin copper plate coiling, are the hollow epoxy machined part of an inside in the induction coil, and induction coil is outer insulating polytetrafluoroethylene cover, and the induction coil tip is connection copper bar and sealing member, forms high coupling efficiency hole heating inductor. The utility model discloses a thin copper plate coiling inductor, the inductor internal diameter can be bigger than the inductor that adopts the copper pipe coiling, and the inductor internal diameter is a lot of with the work piece interval is little. The outside cover insulation support of inductor possesses insulating and isolated effect, has improved induction efficiency simultaneously greatly, reduces equipment power capacity, reduce cost, reduces the energy consumption.
Description
Technical Field
The utility model relates to an inductor that hole heating induction heating power occasion was used.
Background
The current induction heating power inductor used in the inner hole heating occasion is generally formed by winding a hollow water-through copper pipe. Because the intermediate frequency skin effect, the current on the inductor can concentrate on the copper pipe inboard, and when the inductor cover was in the work piece hole, the inboard and the inboard distance of work piece were great of inductor, and the magnetic field in the inductor can pass through from the clearance between inductor and the work piece, and this part magnetic field can not do work to the work piece, and magnetic field leaks more, and induction efficiency just is lower. The interval between the inner side of the inductor wound by the copper pipe and the inner side of the workpiece is large, so that the induction efficiency is low, the occasion needing rapid heating has large requirement on the power of equipment, the equipment cost is high, the energy consumption is high, and the inductor generates heat seriously and is easy to damage.
Disclosure of Invention
The utility model provides a technical problem be: the distance between the inner side of the inductor wound by the copper pipe and the inner side of the workpiece is larger, and the induction efficiency is lower.
In order to solve the technical problem, the technical scheme of the utility model is to provide a high coupling efficiency inner hole heating inductor, which is characterized in that the inductor comprises an induction coil and an epoxy workpiece, wherein the induction coil is wound into a spiral shape by adopting a thin copper plate, and the induction coil is wound outside the epoxy workpiece; the top surface of the epoxy machined part is provided with a first connecting copper bar and a second connecting copper bar; defining the part of the epoxy workpiece, which is positioned in the induction coil, as an inner epoxy workpiece, wherein the middle part of the inner epoxy workpiece is provided with a first inner hole, a first return copper plate is positioned in the first inner hole, one end of the induction coil is connected with the first return copper plate, the induction coil is led out through the first inner hole of the inner epoxy workpiece and then is connected with a first connecting copper bar, and the first connecting copper bar is provided with a first water through hole communicated with the first inner hole;
the other end of the induction coil is led out from the inner epoxy machined part and then is fixedly connected with a second connecting copper bar, a second water through hole is formed in the second connecting copper bar and is communicated with a second inner hole of the polytetrafluoroethylene outer insulating sleeve; the polytetrafluoroethylene outer insulating sleeve is sleeved outside the induction coil, and the induction coil is positioned in the polytetrafluoroethylene outer insulating sleeve; an inner hole II of the polytetrafluoroethylene outer insulating sleeve is communicated with an inner hole I of the inner epoxy machined part; the top of the polytetrafluoroethylene outer insulating sleeve extends upwards to be connected with an epoxy workpiece;
the polytetrafluoroethylene outer insulating sleeve is in sealing fit with the joint of the epoxy workpiece; the first connecting copper bar and the second connecting copper bar are in sealing fit with the epoxy machined part.
Preferably, the polytetrafluoroethylene outer insulating sleeve and the joint of the epoxy machined part, and the connection copper bar I and the connection copper bar II and the epoxy machined part are in sealing fit through sealing rings respectively.
Preferably, the polytetrafluoroethylene insulating outer sleeve, the epoxy machined part, the first connecting copper bar and the second connecting copper bar are connected into a whole through bolts.
The utility model discloses a thin copper plate coiling inductor, the inductor internal diameter can be bigger than the inductor that adopts the copper pipe coiling, and the inductor internal diameter is a lot of with the work piece interval is little. The outside cover insulation support of inductor possesses insulating and isolated effect, has improved induction efficiency simultaneously greatly, reduces equipment power capacity, reduce cost, reduces the energy consumption.
Drawings
Fig. 1A to 1C are external structural views of a cable according to the present invention, wherein fig. 1A is a top view, fig. 1B is a front view, and fig. 1C is a schematic perspective view;
FIG. 2 is a sectional view taken along line A-A of FIG. 1B;
fig. 3 is a sectional view taken along line B-B of fig. 1A.
Detailed Description
The present invention will be further described with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.
The utility model provides a pair of high coupling efficiency hole heating inductor adopts the induction coil of 5 coiling spiral shapes of thin copper plate, and the coiling is in the 1 outside of epoxy machined part. The backflow copper plate 4 connected to one end of the induction coil is led out to the connecting copper bar 7 through the inner hole of the epoxy machined part 1 and is welded on the connecting copper bar 7. The other end of the induction coil 5 is led out and then welded on the other connecting copper bar 8. The polytetrafluoroethylene outer insulating sleeve 3 of the inductor is sleeved outside the induction coil 5 and used for isolating the induction coil from a workpiece, and water is filled inside the induction coil to cool the induction coil. The polytetrafluoroethylene outer insulating sleeve 3 and an epoxy workpiece 6 positioned in the induction coil are sealed at the leading-out connecting end through a sealing ring 2. The connecting copper bar 7, the connecting copper bar 8 and the epoxy workpiece 1 are sealed through sealing rings. The polytetrafluoroethylene insulating outer sleeve 3, the epoxy machined part 1, the connecting copper bar 7 and the connecting copper bar 8 are connected together through bolts.
The connecting copper bar 7 and the connecting copper bar 8 are respectively provided with a water through hole, the water through hole on the connecting copper bar 7 is communicated with the inner hole of the epoxy machined part 1, and the water through hole on the connecting copper bar 8 is communicated with the inner hole of the polytetrafluoroethylene outer insulating sleeve 3. The water route is through connecting copper bar 7 to 1 hole of epoxy machined part, to the hole of polytetrafluoroethylene outer insulating bush 3 again, then gets back to the limbers who connects copper bar 8 and flows.
The utility model discloses the working process of inductor: as shown in fig. 1B, the connecting copper bar 7 and the connecting copper bar 8 are connected to the output end of the induction heating power supply. The water route of going out the induction heating power flows into the heating inductor through the limbers of connecting copper bar 7 in, reaches its tip through the hole of epoxy machined part 1, flows out the back through the insulating cover of polytetrafluoroethylene 3 and the clearance between the epoxy machined part 1, gets back to the induction heating power through the limbers of the connection copper bar 8 of inductor, forms the water route return circuit. The water path functions to cool the return copper plate 4 and the induction coil 5. The intermediate frequency alternating current of induction heating power output gets back to the induction heating power through connecting copper bar 7 of inductor, through the inside backward flow copper 4 of induction coil, reachs induction coil 5 again, then through connecting copper bar 8. After induction coil 5 led to alternating current, can work as at induction coil 5 inside and outside production alternating electromagnetic field the utility model provides a when the work piece is inside, the electromagnetic field that induction coil 5 produced can pass the work piece, produces induced-current at the work piece inner wall, and induced-current produces inductive power on the work piece for the work piece generates heat, reaches induction heating's purpose. The return copper plate 4 and the induction coil 5 generate heat by themselves after being energized, and need to be cooled by a water path.
Claims (3)
1. A hole heating inductor with high coupling efficiency is characterized by comprising an induction coil and an epoxy workpiece, wherein the induction coil is wound into a spiral shape by adopting a thin copper plate; the top surface of the epoxy machined part is provided with a first connecting copper bar and a second connecting copper bar; defining the part of the epoxy workpiece, which is positioned in the induction coil, as an inner epoxy workpiece, wherein the middle part of the inner epoxy workpiece is provided with a first inner hole, a first return copper plate is positioned in the first inner hole, one end of the induction coil is connected with the first return copper plate, the induction coil is led out through the first inner hole of the inner epoxy workpiece and then is connected with a first connecting copper bar, and the first connecting copper bar is provided with a first water through hole communicated with the first inner hole;
the other end of the induction coil is led out from the inner epoxy machined part and then is fixedly connected with a second connecting copper bar, a second water through hole is formed in the second connecting copper bar and is communicated with a second inner hole of the polytetrafluoroethylene outer insulating sleeve; the polytetrafluoroethylene outer insulating sleeve is sleeved outside the induction coil, and the induction coil is positioned in the polytetrafluoroethylene outer insulating sleeve; an inner hole II of the polytetrafluoroethylene outer insulating sleeve is communicated with an inner hole I of the inner epoxy machined part; the top of the polytetrafluoroethylene outer insulating sleeve extends upwards to be connected with an epoxy workpiece;
the polytetrafluoroethylene outer insulating sleeve is in sealing fit with the joint of the epoxy workpiece; the first connecting copper bar and the second connecting copper bar are in sealing fit with the epoxy machined part.
2. The hole heating inductor with high coupling efficiency as claimed in claim 1, wherein the polytetrafluoroethylene outer insulating sleeve and the epoxy workpiece are respectively in sealing fit through sealing rings at the joint and between the first connecting copper bar and the second connecting copper bar and the epoxy workpiece.
3. The induction heating device for heating inner hole with high coupling efficiency as claimed in claim 1, wherein said teflon insulating outer sleeve, said epoxy work piece, said first connecting copper bar and said second connecting copper bar are connected into a whole by bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120769289.9U CN214675748U (en) | 2021-04-15 | 2021-04-15 | Inner hole heating inductor with high coupling efficiency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120769289.9U CN214675748U (en) | 2021-04-15 | 2021-04-15 | Inner hole heating inductor with high coupling efficiency |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214675748U true CN214675748U (en) | 2021-11-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120769289.9U Active CN214675748U (en) | 2021-04-15 | 2021-04-15 | Inner hole heating inductor with high coupling efficiency |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214675748U (en) |
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2021
- 2021-04-15 CN CN202120769289.9U patent/CN214675748U/en active Active
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