Adjustable inductor
A technology of inductors and adjustment parts, which is applied in the direction of continuously variable inductors/transformers, transformers/inductor coils/windings/connections, transformer/inductor components, etc. Poor consistency, device miniaturization, difficulty in integration, low adjustment accuracy, etc., to achieve the effect of high consistency, stable phase transition temperature, and automatic adjustment
Inactive Publication Date: 2016-06-15
DONGGUAN MENTECH OPTICAL & MAGNETIC
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Problems solved by technology
Due to the auxiliary adjustment structure of the adjustable inductor, it is difficult to miniaturize and integrate the device, and the power density is small; because the auxiliary adjustment structure is mostly a mechanical structure, its adjustment accuracy is not high, so that the stability and consistency of the parameters of the adjustable inductor are relatively low. Difference
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[0044] An embodiment of the present invention provides an adjustable inductor, which is used to realize automatic adjustment of inductance with temperature.
[0045] In order to make the purpose, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the following 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.
[0046] The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and through specific implementation methods.
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Abstract
The invention discloses an adjustable inductor used for achieving automatic adjustment on inductance with a temperature. The adjustable inductor comprises a magnetic core body, wherein a coil is wound around the magnetic core body, the magnetic core body comprises a first magnetic core and a second magnetic core, the first magnetic core and the second magnetic core are connected to form a magnetic flux loop of the adjustable inductor, and the first magnetic core and / or the second magnetic core is made of at least two magnetic materials with different curie temperatures. The adjustable inductor is made of at least two magnetic materials with different curie temperatures; when the adjustable inductor is applied to an occasion requiring different inductances under different temperatures and the temperature of the adjustable inductor is larger than or equal to the curie temperature of one of the magnetic materials, the inductance of the magnetic core body becomes small, the automatic adjustment on the inductance with the temperature is achieved, an extra auxiliary adjustment structure is not needed, an extra temperature sensor is also not needed, the miniature device is promoted, and the production cost is favorably reduced.
Description
technical field [0001] The invention relates to the field of electronic components, in particular to an adjustable inductor. Background technique [0002] Many existing circuits are integrated with a safety monitoring function, which can sense changes in circuit temperature, and when the circuit temperature is too high or too low, change the corresponding parameters in the circuit to realize the function of protecting the circuit. [0003] As one of the commonly used electronic components, inductors are indispensable components for energy storage, filtering, tuning and other functions. Tunable inductor is a kind of inductor with adjustable inductance, which is widely used in various electronic circuits. [0004] When the existing adjustable inductors are applied to occasions requiring different inductances at different temperatures, they have great limitations. This is because the design of the existing adjustable inductor is generally realized by adjusting the number of t...
Claims
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Patent Timeline
Login to View More IPC IPC(8): H01F21/08H01F3/10H01F27/30
CPCH01F21/08H01F3/10H01F27/306H01F2003/106
Inventor 黄家毅蒋中立陈榕寅
Owner DONGGUAN MENTECH OPTICAL & MAGNETIC