Systems and methods for interchangeable induction heating systems
地域：
IL
IL Glenview
摘要
An induction heating system includes interchangeable secondary induction heating assemblies and/or secondary induction heating coil flux concentrators that are specifically configured for the particular type of weld being created and/or the particular weld joint where the weld is created. For example, the secondary induction heating assemblies and/or secondary induction heating coil flux concentrators may have specific physical configurations (e.g., shapes, contours, etc.) and/or include specific materials (e.g., ferrites) that are well suited for the particular type of weld being created and/or the particular weld joint where the weld is created. In certain embodiments, a robotic positioning system may be configured to move the secondary induction heating coil to an induction heating coil changing station to, for example, detach the secondary induction heating coil, and attach another secondary induction heating coil, thereby facilitating different secondary induction heating coils to be used for induction heating of different types of welds, for example. In addition, in certain embodiments, the robotic positioning system may be configured to move the secondary induction heating coil to the induction heating coil changing station to, for example, detach the secondary induction heating coil flux concentrator, and attach another secondary induction heating coil flux concentrator.
說明書
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This application is a Continuation of U.S. patent application Ser. No. 14/921,782, entitled “SYSTEMS AND METHODS FOR INTERCHANGEABLE INDUCTION HEATING SYSTEMS,” filed Oct. 23, 2015, and issued on Apr. 28, 2020, as U.S. Pat. No. 10,638,554, which is a Non-provisional US. Patent Application of U.S. Provisional Application No. 62/096,271, entitled “SYSTEMS AND METHODS FOR INTERCHANGEABLE INDUCTION HEATING SYSTEMS,” filed Dec. 23, 2014, both of which are hereby incorporated by reference in their entireties.
The present disclosure relates generally to induction heating systems and, more particularly, to interchangeable induction heating assemblies.
Induction heating may be used to pre-heat metal before welding or post-heat the metal after welding. It is well known to weld pieces of steel (or other material) together. For example, pipes are often formed by taking a flat piece of steel and rolling the steel. A longitudinal weld is then made along the ends of the rolled steel, thus forming a section of pipe. A pipeline may be formed by circumferential welding adjacent sections of pipe together. Other applications of welding steel (or other material) include ship building, railroad yards, tanker trucks, or other higher strength alloy welding.
權(quán)利要求
The invention claimed is:1. An induction heating system comprising:an induction heating power supply unit configured to generate induction heating power; an induction heating assembly configured to use the induction heating power received from the induction heating power supply unit to produce an alternating current (AC) magnetic field that induces eddy currents into a workpiece; a removable plate comprising first and second portions, the removable plate coupled to a transformer of the induction heating assembly; and an electrical conductor connected to the first portion of the removable plate at a first end and the second portion of the removable plate at a second end, wherein the first portion is connected to first terminals of the transformer, and the second portion is connected to second terminals of the transformer to circulate current from the transformer through the electrical conductor, wherein the induction heating assembly comprises a magnetic core disposed at a distal end of the induction heating assembly, wherein a shape of the magnetic core corresponds to a shape of the workpiece. 2. The induction heating system of claim 1 , wherein the magnetic core comprises a highly permeable magnetic core configured to focus the magnetic field with respect to the workpiece, wherein a type of the highly permeable magnetic core corresponds to a type of the workpiece. 3. The induction heating system of claim 1 , wherein the distal end of the magnetic core comprises adjacent perpendicular sides configured to be disposed proximate adjacent members of a fillet weld workpiece while the magnetic field induces the eddy currents into the workpiece. 4. The induction heating system of claim 1 , wherein the distal end of the magnetic core comprises a substantially flat surface configured to be disposed substantially parallel to a groove weld workpiece. 5. The induction heating system of claim 1 , comprising a robotic positioning system configured to manipulate positioning of the induction heating assembly with respect to the workpiece. 6. The induction heating system of claim 5 , comprising an induction heating assembly changing system, wherein the robotic positioning system is configured to move the induction heating assembly to the induction heating assembly changing station to decouple the induction heating assembly from the induction heating power supply unit and to couple another induction heating assembly to the induction heating power supply unit. 7. The induction heating system of claim 1 , wherein the induction heating assembly is an interchangeable induction heating assembly configured to electrically couple to and decouple from the induction heating power supply unit. 8. The induction heating system of claim 7 , wherein the interchangeable induction heating assembly comprises a quick disconnect feature configured to facilitate quick coupling and decoupling of the interchangeable induction heating assembly with the induction heating power supply unit. 9. The induction heating system of claim 1 , wherein the electrical conductor comprises a hollow electrical conductor tube configured to flow a coolant. 10. An induction heating system comprising:a transformer configured to receive alternating current (AC) power from an induction heating power supply unit, and to transform the AC power into induction heating power; an interchangeable induction heating coil configured to electrically couple to and decouple from the transformer, to receive the induction heating power from the transformer, and to produce an AC magnetic field that induces eddy currents into a workpiece, wherein a shape of the interchangeable induction heating coil corresponds to a shape of the workpiece; a first plate physically coupling a bus structure to the transformer; a second plate physically coupling the bus structure to the interchangeable induction heating coil; and first and second substantially parallel sheets that connect the first and second plates. 11. The induction heating system of claim 10 , wherein the interchangeable induction heating coil comprises a flux concentrator comprising a highly permeable material configured to focus the AC magnetic field with respect to the workpiece, wherein a type of the highly permeable material corresponds to a type of the workpiece. 12. The induction heating system of claim 10 , wherein the interchangeable induction heating coil comprises a quick disconnect feature configured to facilitate quick coupling and decoupling of the interchangeable induction heating coil with the transformer, wherein the interchangeable induction heating coil comprises an electrical conductor loop that extends substantially orthogonally from the quick disconnect feature, extends from the quick disconnect feature at an angle, or comprises a hollow tube configured to flow a coolant. 13. The induction heating system of claim 10 , comprising a robotic positioning system configured to manipulate positioning of the interchangeable induction heating coil with respect to the workpiece. 14. The induction heating system of claim 13 , comprising an induction heating coil changing system, wherein the robotic positioning system is configured to move the interchangeable induction heating coil to the induction heating coil changing station to electrically decouple the interchangeable induction heating coil from the transformer and to electrically couple another interchangeable induction heating coil to the transformer. 15. The induction heating system of claim 10 , comprising a cable configured to electrically couple the transformer to the interchangeable induction heating coil. 16. The induction heating system of claim 10 , comprising a bus structure configured to physically couple the transformer to the interchangeable induction heating coil. 17. The induction heating system of claim 16 , wherein the bus structure comprises the first plate and the second plate. 18. The induction heating system of claim 17 , wherein the first and second plates are substantially parallel, and the first and second sheets extend perpendicular from the first and second plates. 19. The induction heating system of claim 17 , wherein one or more cooling tubes are disposed on a side of the first or second sheets. 20. The induction heating system of claim 17 , comprising a first electrical conductor tube disposed adjacent the first sheet, and a second electrical conductor tube disposed adjacent the second sheet, wherein the first electrical conductor tube is configured to deliver a coolant to the interchangeable induction heating coil, and the second electrical conductor tube is configured to return the coolant from the interchangeable induction heating coil.
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