Low-cost installation structure of large-current sensor

Abstract

The utility model discloses a low-cost mounting structure of a large-current sensor. The low-cost mounting structure comprises a magnetic core, a framework cover and a framework, the framework cover comprises two arc-shaped plates, two sets of arc-shaped barrier strips are fixed to the lower portions of the two arc-shaped plates respectively, the two ends of the two arc-shaped plates are fixedly connected through boss clamping blocks and matching blocks respectively, and positioning holes are formed in the lower portions of the boss clamping plates. The framework comprises an annular plate, a containing groove is formed in the annular plate, two positioning sleeves are fixedly installed on the inner side wall of the annular plate, fixing needle holes are formed in the two positioning sleeves, a magnetic core positioning protruding block is fixed in the containing groove, and a first positioning block set and a second positioning block set are fixed to the left portion and the right portion of the annular plate respectively. The magnetic core is placed in the placing groove of the framework, the framework cover is installed on the first positioning block set and the second positioning block set of the framework through the boss clamping block and the matching block, installation of the framework cover and the framework is facilitated, the structure is simple, positioning installation of the magnetic core is facilitated, and the installation efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to current sensor technical field relates to a kind of low-cost installation structure of large current sensor. BACKGROUND

[0002] Hall sensor is a kind of high-performance magnetic signal response sensor. Among them, Hall chip is the main component responding to magnetic field signal using Hall effect principle. Hall effect is a kind of magneto-electric effect. Later, it was found that semiconductors, conductive fluids, etc. also have this effect. The Hall effect of semiconductors is much stronger than that of metals. Various Hall elements made from this phenomenon are widely used in industrial automation technology, detection technology and information processing. Hall effect is a basic method for studying the properties of semiconductor materials.

[0003] However, the magnetic core in the large current sensor in the prior art is not easy to fix and install, and it is not convenient to position and install the magnetic core. Therefore, it is necessary to design a low-cost installation structure of large current sensor to solve the above problems. UTILITY MODEL CONTENTS

[0004] In view of the above problems, in order to overcome the defects of the prior art, the utility model provides a low-cost installation structure of large current sensor. The purpose of the utility model is to facilitate the installation of the framework cover and the framework, and to improve the installation efficiency.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model includes magnetic core, framework cover and framework.

[0006] The framework cover includes two arc-shaped plates, two groups of arc-shaped blocking strips are fixed to the lower parts of the two arc-shaped plates respectively, the two ends of the two arc-shaped plates are fixedly connected through the boss clamping block and the matching block, and the lower part of the boss clamping plate is provided with a positioning hole.

[0007] The framework includes a ring plate, a placing groove is formed in the ring plate, two positioning sleeves are fixedly installed on the inner side wall of the ring plate, a fixing needle hole is formed in each of the two positioning sleeves, a magnetic core positioning protrusion is fixed in the placing groove, and a first positioning block group and a second positioning block group are fixed to the left and right parts of the ring plate respectively.

[0008] The magnetic core is placed in the placing groove of the framework, and the framework cover is installed on the first positioning block group and the second positioning block group of the framework through the boss clamping block and the matching block.

[0009] Preferably, the first positioning block group includes two first clamping blocks, the two first clamping blocks are fixed to the inner side wall and the outer side wall of the ring plate respectively, a positioning groove is formed in the adjacent side of each of the two first clamping blocks, and the boss clamping block can be inserted into the positioning groove.

[0010] Preferably, the second positioning block group comprises two second clamping blocks, and the two first clamping blocks are fixed to the inner side wall and the outer side wall of the ring plate respectively.

[0011] Preferably, the upper ends of the two first clamping blocks and the two second clamping blocks are fixed with two solder avoiding blocks.

[0012] Preferably, the two arc-shaped plates are provided with clamping grooves at the connecting positions of the cam blocks and the matching blocks, and the two clamping grooves are matched with the first positioning block group and the second positioning block group respectively.

[0013] Compared with the prior art, the utility model has the advantages of the following:

[0014] The utility model discloses a skeleton cover and skeleton are fixed to the magnetic core installation, whole simple structure, convenient installation, and can be positioned to the magnetic core through the magnetic core positioning boss, improves the installation precision and installation efficiency of the magnetic core. DRAWINGS

[0015] Fig. 1 It is the three -dimensional schematic view of the utility model structure;

[0016] Fig. 2 It is the explosion schematic view of the utility model structure;

[0017] Fig. 3 It is the bottom structure schematic view of the utility model skeleton cover.

[0018] Reference signs: 1, magnetic core;2, arc-shaped plate;3, baffle;4, cam block;5, matching block;6, positioning hole;7, placing groove;8, positioning sleeve;9, fixed needle hole;10, magnetic core positioning boss;11, first clamping block;12, positioning recess;13, second clamping block;14, solder avoiding block;15, clamping groove;16, ring plate. CONCRETE IMPLEMENTING METHOD

[0019] The technical scheme in the embodiments of the utility model will be apparently and completely described in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the range of protection of the utility model.

[0020] The specific implementing mode of the utility model will be further explained in detail. Figs. 1-3

[0021] In this embodiment, by Figs. 1-3 As shown in the figure, the utility model discloses a magnetic core 1, skeleton cover and skeleton;​

[0022] The skeleton cover comprises two arc-shaped plates 2, two groups of arc-shaped blocking strips 3 are respectively fixed to the lower parts of the two arc-shaped plates 2, the two ends of the two arc-shaped plates 2 are respectively fixedly connected through the boss clamping blocks 4 and the matching blocks 5, and the lower parts of the boss clamping blocks are provided with positioning holes 6.

[0023] The skeleton comprises a ring plate 16, the ring plate 16 is provided with a placing groove 7, two positioning sleeves 8 are fixedly installed on the inner side walls of the ring plate 16, the two positioning sleeves 8 are respectively provided with fixed needle holes 9, a magnetic core positioning protrusion 10 is fixed in the placing groove 7, and the left and right parts of the ring plate 16 are respectively provided with a first positioning block group and a second positioning block group.

[0024] The magnetic core 1 is placed in the placing groove 7 of the skeleton, and the skeleton cover is installed on the first positioning block group and the second positioning block group of the skeleton through the boss clamping blocks 4 and the matching blocks 5.

[0025] The magnetic core 1 is in a ring shape, the magnetic core 1 is provided with a notch, the cross section of the magnetic core positioning protrusion 10 is the same as the cross section shape of the notch of the magnetic core 1, the notch of the magnetic core 1 can cooperate with the magnetic core positioning protrusion 10, so that the rotation of the magnetic core 1 is limited, and the magnetic core 1 is positioned.

[0026] When the magnetic core 1 is placed in the placing groove 7 on the ring plate 16, the skeleton cover is placed directly above the skeleton, the boss clamping blocks 4 of the skeleton cover are aligned with the first positioning block group, the matching blocks 5 of the skeleton cover are aligned with the second positioning block group, the skeleton cover is vertically moved downwards, the boss clamping blocks 4 and the matching blocks 5 are respectively inserted between the first positioning block group and the second positioning block group, and the arc-shaped blocking strips 3 of the skeleton are attached to the ring plate 16.

[0027] In the embodiment, the first positioning block group comprises two first clamping blocks 11, the two first clamping blocks 11 are respectively fixed to the inner side walls and the outer side walls of the ring plate 16, the adjacent sides of the two first clamping blocks 11 are respectively provided with positioning grooves 12, and the boss clamping blocks 4 can be inserted into the positioning grooves 12.

[0028] In the embodiment, the second positioning block group comprises two second clamping blocks 13, and the two first clamping blocks 11 are respectively fixed to the inner side walls and the outer side walls of the ring plate 16.

[0029] In the embodiment, the upper ends of the two first clamping blocks 11 and the two second clamping blocks 13 are respectively provided with two solder avoiding blocks 14.

[0030] The solder avoiding blocks 14 can prevent the solder from overflowing to an unnecessary position when soldering, so that damage to other parts of the equipment is avoided.

[0031] In the embodiment, the two arc-shaped plates 2 are provided with clamping grooves 15 at the connecting positions of the boss clamping blocks 4 and the matching blocks 5, and the two clamping grooves 15 are matched with the first positioning block group and the second positioning block group respectively, so that the arc-shaped plate 2 is tightly matched with the first positioning block group and the second positioning block group, the framework cover is prevented from rotating on the framework, and the installation can be directly positioned and installed, which is simple and convenient.

[0032] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A large current sensor low cost mounting structure characterized by: The magnetic core, the framework cover and the framework are included; The framework cover includes two arc-shaped plates, two groups of arc-shaped blocking strips are fixed on the lower parts of the two arc-shaped plates respectively, and the two ends of the two arc-shaped plates are fixedly connected through the boss clamping blocks and the matching blocks. The framework includes a ring plate, a placing groove is formed in the ring plate, two positioning sleeves are fixedly installed on the inner side wall of the ring plate, fixing needle holes are formed in the two positioning sleeves, a magnetic core positioning protrusion is fixed in the placing groove, and a first positioning block group and a second positioning block group are fixed on the left and right parts of the ring plate respectively. The magnetic core is placed in the placing groove of the framework, and the framework cover is installed on the first positioning block group and the second positioning block group of the framework through the boss clamping blocks and the matching blocks.

2. A low cost mounting structure for a large current sensor according to claim 1, characterized by: The first positioning block group includes two first clamping blocks, the two first clamping blocks are fixed on the inner side wall and the outer side wall of the ring plate respectively, positioning grooves are formed in the adjacent sides of the two first clamping blocks, and the boss clamping blocks can be inserted into the positioning grooves.

3. A low cost mounting structure for a large current sensor according to claim 2, characterized by: The second positioning block group includes two second clamping blocks, and the two first clamping blocks are fixed on the inner side wall and the outer side wall of the ring plate respectively.

4. A low cost mounting structure for a large current sensor according to claim 2, characterized by: The upper ends of the two first clamping blocks and the two second clamping blocks are fixed with two solder avoiding blocks.

5. A low cost mounting structure for a large current sensor according to claim 1, characterized by: Clamping grooves are arranged at the connection positions of the two arc-shaped plates and the boss clamping blocks and the matching blocks, and the two clamping grooves are matched with the first positioning block group and the second positioning block group respectively.

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