Induction heating coaxial transformer
An induction heating and transformer technology, applied in transformers, fixed transformers, transformer/inductor shells, etc., can solve problems such as increasing failure rate, increasing transformer loss, and low coupling efficiency, reducing core loss and reducing volume. , the effect of volume reduction
Active Publication Date: 2017-03-15
陕西如意变压器制造有限公司
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Problems solved by technology
[0005] At present, ordinary high-frequency induction heating water-cooled transformers use E-shaped magnetic cores. There is a heat dissipation mechanism on the outer surface of the magnetic cores. The primary winding uses electromagnetic wires or copper tubes for water, and the secondary side uses copper tubes for water. The transformer is large in size and heavy in weight; the requirements for automated production equipment are high, and the cost is too high; the E-type magnetic core opposite to the ordinary high-frequency induction heating water-cooled transformer is compressed with a pressure plate, and the inconsistency of the compression degree will affect the consistency of the transformer performance; The coupling distance between primary side and magnetic core, secondary side and magnetic core will also affect the consistency of transformer performance; common high-frequency induction heating water-cooled transformer primary side and magnetic core, magnetic core and secondary side, primary side and secondary side add complex Insulation treatment is greatly affected by the external environment, and dust or water leakage may cause insulation damage or insulation breakdown; increase the failure rate; the air gap in the high-frequency induction heating water-cooled magnetic core will increase the loss of the transformer
[0006] Due to its structure and coupling form, the existing transformer has a large volume, heavy weight, low coupling efficiency and high failure rate
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[0033] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "inner" etc. is based on the orientation or positional relationship shown in the drawings , is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
[0034] In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it can be mechanically connected or electrically connected; it can be directly...
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The invention discloses an induction heating coaxial transformer. The induction heating coaxial transformer comprises an outer metal cylinder, wherein a front end cover plate and a back end cover plate are arranged at the front and back ends of the outer metal cylinder respectively for sealing; an annular magnetic core is arranged in the outer metal cylinder; the annular magnetic core is provided with an insulating wire used for forming a primary side winding; one end of the insulating wire is connected with a primary side wire-outlet terminal on the back end cover plate; a center hollow rod is also arranged in the outer metal cylinder; and the center hollow rod runs through the annular magnetic core to be connected with a water inlet interface and a water outlet interface in the front end cover plate and the back end cover plate respectively for forming a secondary side loop for realizing power output. The induction heating coaxial transformer is simple in structure, and easy to realize batch production; the volume and the weight of the induction heating coaxial transformer are reduced in a multiplied manner compared with those of a common transformer of the same power, so that the automatic integration production cost is lowered; and in addition, the induction heating coaxial transformer is small in size, convenient to replace, capable of ensuring consistency of manufacturing process and performance due to that the parts adopt mechanical processing and standard parts, and capable of reducing influence on the transformer from heating consistency of the same kind of products.
Description
[0001] 【Technical field】 [0002] The invention belongs to the technical field of high-frequency induction heating power supply, and relates to a small high-frequency induction heating coaxial transformer. [0003] 【Background technique】 [0004] A transformer is a device that uses the principle of electromagnetic induction to transmit electrical energy or electrical signals. It has the functions of voltage conversion, current change, impedance conversion and electrical isolation. The high-frequency induction heating transformer is the main component of the power inverter. The high-frequency induction heating transformer commonly used is a discrete combined water-cooled transformer, which is generally composed of a primary side, a secondary side, a magnetic core, a heat dissipation mechanism, a compression mechanism and a chassis. The primary side is generally composed of water-through copper tubes or electromagnetic wires. Most of the magnetic cores are E-shaped cores, and the...
Claims
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Patent Timeline
Login to View More IPC IPC(8): H01F30/16H01F27/02H01F27/16H01F27/29
CPCH01F27/02H01F27/16H01F27/292H01F30/16
Inventor李志平
Owner陕西如意变压器制造有限公司