High-temperature resistant transformer
A technology for transformers and high temperature resistance, applied in the field of transformers, can solve problems such as breakdown coils, short circuits, etc., achieve high current characteristics, simple surface treatment process, and improve stability
Inactive Publication Date: 2015-04-08
江苏辰宇电气有限公司
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Problems solved by technology
The coil of the transformer is wound by copper wire. The primary coil of the wound transformer has not been processed, and it is directly wound to the wiring pin through the lead slot, which is prone to short circuit and causes the coil to be broken down due to high voltage.
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[0011] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0012] see Figure 1~2 , in an embodiment of the present invention, a high temperature resistant transformer includes a bobbin 1, a coil 3 wound on the bobbin 1 and a magnetic core 6 inside the bobbin 1, wherein a convex edge 2 is provided above the bobbin 1, The convex edge 2 can prevent the coil 3 from falling off from above; the left and right sides of the lower part of the coil bobbin 1 are provided with lead grooves 7, and there are five pins 8 at the bot...
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Abstract
The invention discloses a high-temperature resistant transformer which comprises a coil framework, a coil coiled on the coil framework, and a magnetic core disposed in the coil framework, wherein a flange is arranged above the coil framework and can prevent the coil from falling down; lead grooves are formed in the left side and the right side of the lower part of the coil framework; an inlet lead and an outlet lead are arranged at the two tail ends of the coil respectively; polyurethane plastic hoses are arranged outside copper wires of the inlet lead and the outlet lead in a sleeving manner; starting ends of the polyurethane plastic hoses are fixed at the bottoms of the lead grooves; the magnetic core comprises a first magnetic core and a second magnetic core; the first magnetic core and the second magnetic core are each composed of an alloy material layer and a ferrite layer; the shapes of the first magnetic core and the second magnetic core are not identical; the first magnetic core and the second magnetic core are combined to form the integral magnetic core; and a first magnetic post and a second magnetic post which extend outwards are formed on main body surfaces of the first magnetic core and the second magnetic core respectively. The transformer is good in heat-dissipation effect, stable in working, low in cost and long in service life.
Description
technical field [0001] The invention relates to a transformer, in particular to a high temperature resistant transformer. Background technique [0002] Transformer is a device that uses the principle of electromagnetic induction to change AC voltage. The main components are primary coil, secondary coil and iron core (magnetic core). The main functions are: voltage conversion, current conversion, impedance conversion, isolation, voltage stabilization (magnetic saturation transformer), etc. According to the purpose, it can be divided into: distribution transformers, fully sealed transformers, combined transformers, dry-type transformers, oil-immersed transformers, single-phase transformers, electric furnace transformers, rectifier transformers, etc. The coil of the transformer is wound by copper wire. The primary coil of the wound transformer has not been processed, and it is directly wound to the wiring pin through the lead slot, which is prone to short circuit and cause...
Claims
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IPC IPC(8): H01F27/30H01F27/24
Inventor 王立
Owner 江苏辰宇电气有限公司