CN211653002U - Inductance measuring device under 100-200A direct current - Google Patents

Abstract

The utility model discloses a 100 give birth to with an expense and 200A inductance measuring device under direct current, including last insulating disc, base insulating disc, go up insulating disc, base insulating disc radially be equipped with six upper and lower conductive copper bars, every upper and lower conductive copper bar has an elbow, during the installation, the elbow opposite direction of upper and lower conductive copper bar, the both ends of upper and lower conductive copper bar are installed and are inside and outside loop arrangement to place annular amorphous alloy magnetic core between the conductive copper post that is inside and outside loop arrangement, be located on the insulating disc down, the lower conductive copper bar one end installation conductive copper post of every outer loop arrangement is connected with the last conductive copper bar one end of every inner ring arrangement, and every conductive copper post and every upper and lower conductive copper bar cross connection one another becomes equal coupling distance continuous 6 ring windings and encircles on the annular amorphous alloy magnetic core that awaits measuring, through the introduction that has on the lower conductive copper bar, And leading out the conductive copper column to be electrified for electrical measurement. The consistency of the magnetic core measuring coupling distance is ensured, and the reliability of the measured data is improved.

Description

Inductance measuring device under 100-200A direct current

Technical Field

The utility model relates to an inductance measurement device under direct current for the inductance measurement of annular metallic glass magnetic core under 100A to 200A direct current effect.

Background

The amorphous alloy material has excellent electromagnetic performance, is rapidly developed in recent years, has the characteristics of high magnetic permeability and low loss, is widely applied to the high and new technical fields of power electronics, computers, communication, aerospace and the like, and adopts a large number of annular amorphous alloy magnetic cores, so that the production capacity is gradually expanded, wherein the annular amorphous alloy magnetic cores with directional applications need to measure the inductance under direct current bias, namely the inductance value of the magnetic cores under the action of certain direct current.

Currently, the core inductance of 6 turns (6 turns of wire around) under 100-200A dc condition is measured by a relatively large number of methods. The specific method is that a plurality of strands of enameled wires capable of bearing 200A current are adopted, the annular amorphous alloy magnetic core to be measured is wound by penetrating through the enameled wires for 6 turns through manual operation, then the annular amorphous alloy magnetic core is electrified for measurement, the operation is inconvenient, the coupling distance between the 6-turn coils which are manually wound and the magnetic cores is different every time, the measurement conditions of each magnetic core are inconsistent, and the reliability of the measurement result is difficult to guarantee.

Disclosure of Invention

In view of the above current situation, the utility model provides a 100 give first place to inductance measuring device under 200A direct current, it is the uniformity to have guaranteed to measure the coupling distance of each magnetic core, has eliminated the manual coiling operation of patchcord and has caused human error, has both promoted measurement of efficiency, satisfies large batch production needs, has guaranteed measuring result's reliability again.

The technical solution of the utility model is that: A100-plus-200A direct current inductance measuring device comprises an upper insulating disc and a base insulating disc, wherein six upper and lower conductive copper bars are respectively arranged in the radial direction of the upper insulating disc and the base insulating disc, each upper and lower conductive copper bar is provided with an elbow, the elbows of the upper and lower conductive copper bars are opposite in direction during installation, twelve conductive copper columns are arranged at two ends of the upper and lower conductive copper bars, every six conductive copper columns are arranged in an inner ring and an outer ring, an annular amorphous alloy magnetic core is arranged in a space between the conductive copper columns arranged in the inner ring and the outer ring and is positioned on the lower insulating disc on the lower conductive copper bar, the conductive copper column arranged at one end of the lower conductive copper bar arranged in the outer ring is connected with one end of the upper conductive copper bar arranged in each inner ring, and the upper and lower conductive copper bars are connected with each other in a crossed manner to form an equal coupling distance continuous 6-turn coil to be wound on the annular amorphous alloy magnetic core to be measured, and one of the two independent bodies is electrified by the lead-in conductive copper columns and the lead-out conductive copper columns arranged on the lower conductive copper bars.

In the novel structure, an insulating pad is arranged between the upper and lower conductive copper bars and the upper and lower insulating discs.

In this novel, upper and lower conductive copper bar is the crotch body, and the one end and the crotch body of upper and lower conductive copper bar are equipped with the mounting hole that is used for penetrating the conductive copper post.

The utility model has the advantages that: every two conductive columns are distributed on the inner ring and the outer ring to form a pair of conductive copper bars with end parts connected with the upper end and the lower end in a head-tail cross manner to form a continuous 6-turn coil which is wound on the annular amorphous alloy magnetic core to be measured and used for measuring the inductance under the action of 100A to 200A direct current. Simultaneously, because this neotype rational design has guaranteed the uniformity that magnetic core measured coupling distance, has effectively promoted measured data's reliability.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a schematic cross-sectional view A-A of FIG. 1;

FIG. 3 is a schematic view showing the arrangement of the upper insulating plate and the upper conductive copper bar;

FIG. 4 is a schematic view of the distribution of the lower insulating plate and the lower conductive copper bar;

FIG. 5 is a schematic view of the connection of the upper conductive copper bar, the lower conductive copper bar and the conductive copper pillar;

fig. 6 is a top view of fig. 5.

Detailed Description

The present invention will be further explained with reference to the embodiments of the drawings.

Referring to fig. 1 to 4, the inductance measuring device under 100-200A dc current comprises an upper insulating disc 5 and a base insulating disc 11, wherein three legs 12 are distributed below the base insulating disc 11. The radial of the same side end face of the upper insulating disc 5 and the base insulating disc 11 is respectively provided with six upper conductive copper bars 4 and six lower conductive copper bars 10, each upper conductive copper bar 4 and each lower conductive copper bar 10 are provided with a hook body, the directions of the hook bodies of the upper conductive copper bars 4 and the lower conductive copper bars 10 are opposite during installation, twelve conductive copper columns 7 are installed at the two ends of the upper conductive copper bars 4 and the lower conductive copper bars 10, every six conductive copper columns 7 are arranged in an inner ring and an outer ring, an annular amorphous alloy magnetic core 6 is placed in a space between the conductive copper columns 7 which are arranged in the inner ring and the outer ring, and the annular amorphous alloy magnetic core 6 is positioned on the lower insulating disc 9 above the lower conductive copper bars. The conductive copper column 7 arranged at one end of each lower conductive copper bar 10 arranged on the outer ring is connected with one end of the hook body of each upper conductive copper bar 4 arranged on the inner ring, each conductive copper column 7, each upper conductive copper bar 4 and each lower conductive copper bar 10 are connected in a cross mode to form a continuous 6-turn coil with equal coupling distance to surround the annular amorphous alloy magnetic core 6 to be measured, and the electric measurement is carried out through the conduction of the lead-in conductive copper column 13 and the lead-out conductive copper column 14 arranged on one lower conductive copper bar with two independent bodies. In the above description, twelve conductive copper pillars 7 are arranged in an inner ring and an outer ring (the twelve conductive copper pillars 7 are all of the same structure, and therefore, only one of them is denoted). Considering the relatively large measurement currents, an insulating sleeve 8 is mounted on each conductive copper cylinder 7. In this embodiment, the centers of the base insulating disk 11, the lower insulating disk 9, the upper insulating disk 5 and the gland 3 penetrate through a screw rod 1, and the gland 3 is locked by a nut 2 and fixedly connected into a whole. In the above, one of the lower conductive copper bars 11 is a lower conductive copper bar having an energization lead-in terminal 13 and a conduction lead-out terminal 14 which are formed by two independent separate bodies.

In the above, insulating pads are arranged between the upper conductive copper bar 4 and the lower conductive copper bar 11 and the upper insulating disc 5 and the lower insulating disc 9.

In this is novel, go up conductive copper bar 4, down conductive copper bar 10 is equipped with the mounting hole 15 that is used for penetrating the conductive copper post along length both ends, and one of them mounting hole 15 sets up at last conductive copper bar 4, the crotch position of conductive copper bar 10 down.

The upper insulating disk, the lower insulating disk and the base insulating disk are made of insulating ceramic disks.

Fig. 5 and 6 show a lower conductive copper bar 10 (dotted line portion) on the insulating disc 11 of the base, and an upper conductive copper bar 4 (solid line portion) on the conductive copper column 7, wherein the hook bodies between the upper conductive copper bar 4 and the lower conductive copper bar 10 are located at opposite positions, and the upper conductive copper bar 4 and the lower conductive copper bar 10 are connected through the conductive copper column 7 to form a mode of continuously winding 6 turns of lines at equal coupling distance.

Therefore, the novel inductance measuring device is used for inductance measurement of the annular amorphous alloy magnetic core under the action of 100A-200A direct current. Technically, the coupling distance of each magnetic core is ensured to be consistent, and the reliability of measured data is improved. The method effectively solves the problem of manual coil winding operation of flexible wires, eliminates human errors, improves the measurement efficiency, meets the requirements of large-batch production, and ensures the reliability of the measurement result.

Claims (3)

1. The 100-plus-200A direct current inductance measuring device is characterized by comprising an upper insulating disc and a base insulating disc, wherein six upper and lower conductive copper bars are respectively arranged in the radial direction of the upper insulating disc and the base insulating disc, each upper and lower conductive copper bar is provided with an elbow, the elbows of the upper and lower conductive copper bars are opposite in direction during installation, twelve conductive copper columns are installed at two ends of the upper and lower conductive copper bars, each six conductive copper columns are arranged in an inner ring and an outer ring, an annular amorphous alloy magnetic core is placed in a space between the conductive copper columns arranged in the inner ring and the outer ring and is positioned on the lower insulating disc on the lower conductive copper bar, the conductive copper column installed at one end of the lower conductive copper bar arranged in the outer ring is connected with one end of the upper conductive copper bar arranged in the inner ring, and each upper and lower conductive copper bars are connected with each other in a crossed mode through each conductive copper column to form an equal coupling distance continuous 6-turn coil which is wound on the annular amorphous alloy to And on the magnetic core, one of the two independent lower conductive copper bars is electrified by leading-in and leading-out conductive copper columns.

2. The apparatus as claimed in claim 1, wherein an insulating pad is disposed between the upper and lower conductive copper bars and the upper and lower insulating discs.

3. The apparatus as claimed in claim 1, wherein the upper and lower conductive copper bars are hook-shaped, and the hook-shaped and one end of the upper and lower conductive copper bars are provided with mounting holes for inserting the conductive copper posts.

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