Single stone structure inductance
An inductance and monolithic technology, applied in the field of monolithic inductance, can solve the problems of easy reduction of inductance value, decrease in inductance value, circuit current surge, etc., and achieve the effect of increasing the working range, increasing the rated current, and increasing the working current.
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experiment example 1 experiment example 2
[0034] Inductors with monolithic structures in Experimental Example 1 and Experimental Example 2 have a body size of 12x12x5.4mm, and the coil is a flat copper wire wound 3 times. The permanent magnet made of NdFeB magnet material is pressed into a thickness of The 2.7mm sheet is placed inside the coil, and the first experimental example uses reverse magnetization (that is, the bias magnetic field is opposite to the magnetic field formed after the coil is fed with current), while the second experimental example uses forward magnetization (The bias magnetic field is in the same direction as the magnetic field formed after the coil is passed through the current), compare the inductance structure of the experimental example 1 and the experimental example 2 with the inductance without a permanent magnet inside (herein referred to as the comparative example 1) Current characteristics (It should be explained here that the number of turns of the inductance coil in the comparative exam...
experiment example 3 experiment example 4
[0039]The inductance of the monolithic structure of the experiment example 3 and the experiment example 4, the body size is 12x12x5.4mm, the coil is a flat copper wire wound 3 turns, and the permanent magnet made of NdFeB material is pressed to a thickness of 1.35mm The thin slices are placed inside the coil, and the third experimental example is magnetized in the reverse direction (that is, the bias magnetic field is opposite to the magnetic field formed after the coil is fed with current), while the fourth experimental example is magnetized in the forward direction (The bias magnetic field is in the same direction as the magnetic field formed after the coil is passed through the current), compare the inductance structure of the experimental example 3 and the experimental example 4 with the inductance without permanent magnet inside (herein referred to as the comparative example 2) Current characteristics (It should be explained here that the number of turns of the inductance ...
experiment example 7
[0052] The size and material of the inductor in Experimental Example 7, as well as the inner diameter of the coil, the width of the coil, the total height of the coil and its material are the same as those of Experimental Example 5 and Experimental Example 6 above, and will not be described here. The radius of the permanent magnet in Experimental Example 7 is 2mm, and its thickness has the changes in the following Table 4. Measure the inductance of Experimental Example 7 with different permanent magnet thicknesses and the inductance without permanent magnet inside when 20A and 40A DC are applied. Value change rate, the experimental results are sorted out in Table 4 below.
[0053] Table four
[0054]
[0055]
[0056] From the experimental results of Experimental Example 7, it can be seen that compared with the case where there is no magnet inside the inductor, the magnet coverage area is the inner area of the coil (magnet radius = coil radius), and the thickness of th...
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