Single-iron-core fluxgate

Abstract

The utility model relates to the technical field of fluxgates, and provides a single-iron-core fluxgate which comprises a first framework and a second framework, fixing rings are arranged on the two sides of the first framework and the two sides of the second framework, and a flexible sleeve is arranged in the first framework and the second framework jointly. A first baffle is arranged on one side of the first framework and one side of the second framework, a second baffle is arranged on the other side of the first framework and the other side of the second framework, and limiting assemblies for preventing rotation between the first baffle and the fixing ring and between the second baffle and the fixing ring are arranged on one side of the first baffle and one side of the second baffle. According to the utility model, the first framework and the second framework are arranged for butt joint, so that the flexible sleeve and the iron core can be conveniently installed and fixed, the first framework and the second framework can be conveniently positioned through the positioning assembly, the fluxgate is conveniently installed, the installation efficiency of the fluxgate is improved, and the installation cost of the fluxgate is reduced. The problem that an existing fluxgate is low in installation efficiency is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of fluxgate, and specifically to a single-core fluxgate. Background Art

[0002] A fluxgate is a magnetic field measurement element and a magnetic field component sensor with good comprehensive performance. The structure of the fluxgate sensor directly affects its performance. By structural design, the consistency between the fluxgate sensor probe and the installation direction is ensured, the processing difficulty of its iron core and the winding difficulty of the coil are reduced, and its reliability and maintainability are improved.

[0003] After retrieval, a single-core fluxgate disclosed in the patent with the publication number of CN102116853B includes an excitation coil, an iron core, a measurement coil and a skeleton. It is characterized in that it further includes a flexible sleeve. The winding part of the skeleton is tubular, the front end and the rear end of the skeleton are both square, and the center position of the square is fixedly connected with the winding part of the skeleton. The tubular center of the skeleton is concentric with the square centers of the front end and the rear end of the skeleton. The iron core is strip-shaped, with a thickness between 0.02 mm and 0.1 mm, a width of 1 mm, and a length the same as that of the skeleton. The excitation coil is wound on the inner layer of the tubular part of the skeleton, and the measurement coil is wound on the excitation coil. There are two lead slots at two corners of the front end of the skeleton. Since the skeleton is open, the winding is more convenient, and the consistency between the measurement axis and the installation axis can be better ensured. At the same time, the manufacturing cost is reduced.

[0004] However, the above fluxgate still has the following problems: The fluxgate inserts the flexible sleeve between the skeletons and then installs and inserts the iron core inside the flexible sleeve. The cross-sectional shape of the skeleton is annular, and the process of installing the flexible sleeve into the skeleton is relatively difficult, which affects the installation efficiency of the fluxgate and is inconvenient for limiting and fixing the coil therein. Summary of the Utility Model

[0005] The utility model provides a single-core fluxgate, which solves the problems in the prior art that it is inconvenient to install the fluxgate and inconvenient to limit and fix the coil.

[0006] The technical solution of the utility model is as follows: A single-core fluxgate includes a first skeleton and a second skeleton. Fixed rings are arranged on both sides of the first skeleton and the second skeleton. A flexible sleeve is jointly arranged inside the first skeleton and the second skeleton. A first baffle is arranged on one side of the first skeleton and the second skeleton, and a second baffle is arranged on the other side of the first skeleton and the second skeleton. Limiting components for preventing rotation with the fixed rings are arranged on one side of the first baffle and the second baffle. A positioning component for preventing relative displacement is arranged on the opposite sides of the first skeleton and the second skeleton. Coils are arranged on the outer sides of the first skeleton and the second skeleton.

[0007] Preferably, the limiting component includes moving grooves formed at the top sides of one sides of the first baffle and the second baffle. The inner top walls of the moving grooves are fixedly connected with supporting springs respectively. The bottom ends of the supporting springs are fixedly connected with moving blocks. The bottom ends of the moving blocks are fixedly connected with limiting rods. One side of the top end of the fixed ring is provided with a limiting groove, and the bottom ends of the limiting rods are slidably connected inside the limiting groove.

[0008] Preferably, sliding holes communicating with the inside of the moving grooves are vertically formed in one sides of the first baffle and the second baffle respectively. Adjusting rods are slidably connected inside the sliding holes, and one sides of the adjusting rods are fixedly connected with the moving blocks.

[0009] Preferably, the positioning component includes positioning blocks fixedly connected to the front and rear sides of the bottom end of the first skeleton at equal intervals horizontally. Positioning grooves corresponding to the positioning blocks are formed in the front and rear sides of the top end of the second skeleton respectively, and the bottom parts of the positioning blocks are slidably connected inside the positioning grooves respectively.

[0010] Preferably, a threaded groove is formed on the outer side of the fixed ring, and the inner sides of the first baffle and the second baffle are threadedly connected with the threaded groove.

[0011] Preferably, wire releasing grooves are vertically formed in the middle parts of the upper and lower sides of the first baffle.

[0012] Preferably, coil leads are fixedly connected to one sides of the coils respectively, and the coil leads are slidably connected inside the wire releasing grooves respectively.

[0013] Preferably, an iron core is slidably connected inside the flexible sleeve, and the cross-sectional shape of the iron core is circular.

[0014] The beneficial effects of the present utility model are as follows:

[0015] In the present utility model, by arranging the first skeleton and the second skeleton to be butted, the installation and fixation between the flexible sleeve and the iron core can be facilitated, and through the positioning component, the positioning between the first skeleton and the second skeleton can be facilitated, which is convenient for the installation of the fluxgate, improves the installation efficiency of the fluxgate, and solves the problem of low installation efficiency of the existing fluxgate;

[0016] In the present utility model, by arranging a threaded groove on the outer surface of the fixed ring, the first baffle and the second baffle can be conveniently installed on both sides of the fluxgate respectively, and through the arrangement of the limiting component, the limiting between the first baffle, the second baffle and the fixed ring can be carried out to prevent the first baffle and the second baffle from rotating in the reverse direction and prevent the situation of falling off, and solves the problem that the existing fluxgate is inconvenient to limit and fix the coils therein. Description of the Drawings

[0017] The present utility model will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0018] Figure 1 Schematic diagram of a single-core fluxgate structure proposed by the present utility model;

[0019] Figure 2 Schematic diagram of the internal structure proposed by the present utility model;

[0020] Figure 3 Proposed by the present utility model Figure 2 Schematic diagram of the cross-sectional structure in the middle;

[0021] Figure 4 Schematic diagram of the limit component structure proposed by the present utility model;

[0022] Figure 5 Schematic diagram of the positioning component structure proposed by the present utility model;

[0023] In the figure: 1. First skeleton; 2. Second skeleton; 3. Fixed ring; 4. Flexible sleeve; 5. Coil; 6. First baffle; 7. Iron core; 8. Limit component; 81. Activity groove; 82. Support spring; 83. Slide hole; 84. Movable block; 85. Adjusting rod; 86. Limit rod; 87. Limit groove; 9. Positioning component; 91. Positioning block; 92. Positioning groove; 10. Second baffle; 11. Wire laying groove; 12. Coil lead; 13. Thread groove. Specific embodiments

[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0025] Please refer to Figures 1-3, the present utility model provides a technical solution for a single-core fluxgate: a single-core fluxgate, including a first skeleton 1 and a second skeleton 2. Fixed rings 3 are arranged on both sides of the first skeleton 1 and the second skeleton 2. A flexible sleeve 4 is jointly arranged inside the first skeleton 1 and the second skeleton 2. A first baffle 6 is arranged on one side of the first skeleton 1 and the second skeleton 2, and a second baffle 10 is arranged on the other side of the first skeleton 1 and the second skeleton 2. Thread grooves 13 are opened on the outer sides of the fixed rings 3. The inner sides of the first baffle 6 and the second baffle 10 are both threadedly connected to the thread grooves 13. Limiting components 8 for preventing rotation with the fixed rings 3 are arranged on one side of the first baffle 6 and the second baffle 10. A positioning component 9 for preventing relative displacement is arranged on the opposite sides of the first skeleton 1 and the second skeleton 2. Coils 5 are arranged on the outer sides of the first skeleton 1 and the second skeleton 2. Wire guiding grooves 11 are vertically opened in the middle of the upper and lower sides of the first baffle 6. Coil leads 12 are fixedly connected to one side of the coils 5 respectively, and the coil leads 12 are respectively slidably connected inside the wire guiding grooves 11. An iron core 7 is slidably connected inside the flexible sleeve 4, and the cross-sectional shape of the iron core 7 is circular.

[0026] Please refer to Figure 4 , the limiting component 8 includes moving grooves 81 opened at the top of one side of the first baffle 6 and the second baffle 10. Support springs 82 are fixedly connected to the inner top walls of the moving grooves 81. The bottom ends of the support springs 82 are fixedly connected to moving blocks 84. The bottom ends of the moving blocks 84 are fixedly connected to limiting rods 86. A limiting groove 87 is opened on one side of the top end of the fixed ring 3. The bottom ends of the limiting rods 86 are slidably connected inside the limiting groove 87. Slide holes 83 communicating with the inside of the moving grooves 81 are vertically opened on one side of the first baffle 6 and the second baffle 10. Adjusting rods 85 are slidably connected inside the slide holes 83 respectively. One side of the adjusting rods 85 is fixedly connected to the moving blocks 84. By pushing the moving blocks 84 downward through the support springs 82 to drive the limiting rods 86 to penetrate inside the limiting groove 87, the fixed ring 3 can be fixed, so that the first baffle 6 and the second baffle 10 are kept stable with the fixed ring 3 and reverse rotation is prevented.

[0027] Please refer to Figure 5 , the positioning component 9 includes positioning blocks 91 fixedly connected to the front and rear sides of the bottom end of the first skeleton 1 and arranged horizontally at equal intervals. Corresponding positioning grooves 92 are opened on the front and rear sides of the top end of the second skeleton 2. The bottom ends of the positioning blocks 91 are respectively slidably connected inside the positioning grooves 92. By making the positioning blocks 91 correspond to the positioning grooves 92 respectively, the first skeleton 1 is clamped on the second skeleton 2, and the positioning blocks 91 are slidably connected inside the positioning grooves 92, so that the two fixed rings 3 on both sides are butted into a complete ring, which is convenient for positioning the first skeleton 1 and the second skeleton 2 and facilitates the quick installation of the first skeleton 1 and the second skeleton 2.

[0028] The working principle and use process of the utility model are as follows: first, the iron core 7 is inserted into the interior of the flexible sleeve 4, and then the flexible sleeve 4 and the iron core 7 are placed inside the second skeleton 2, the first skeleton 1 is docked with the second skeleton 2, the positioning blocks 91 are respectively corresponding to the positioning grooves 92, the first skeleton 1 is clamped on the second skeleton 2, the positioning blocks 91 are slidably connected inside the positioning grooves 92, the fixing rings 3 on both sides are docked into a complete ring shape, the coil 5 is sleeved on the outside of the first skeleton 1 and the second skeleton 2, and then the first baffle 6 and the second baffle 10 are respectively threadedly connected to the outside of the fixing ring 3, so that the first baffle 6 and the second baffle 10 clamp the coil 5 therein, and then the movable block 84 is pushed downward by the support spring 82 to move, so that the movable block 84 drives the limiting rod 86 to be inserted into the limiting groove 87, which can fix the fixing ring 3, so that the first baffle 6 and the second baffle 10 and the fixing ring 3 remain stable to prevent reverse rotation.

[0029] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A single-core fluxgate, comprising a first frame (1) and a second frame (2), characterized in that: A fixing ring (3) is provided on both sides of the first frame (1) and the second frame (2); a flexible sleeve (4) is provided inside the first frame (1) and the second frame (2); a first baffle (6) is provided on one side of the first frame (1) and the second frame (2); a second baffle (10) is provided on the other side of the first frame (1) and the second frame (2); a limiting component (8) for preventing rotation between the first baffle (6) and the second baffle (10) is provided on one side of the first baffle (6) and the second baffle (10); a positioning component (9) for preventing relative displacement is provided on the side opposite to the first frame (1) and the second frame (2); and a coil (5) is provided on the outside of the first frame (1) and the second frame (2).

2. A single core fluxgate according to claim 1, characterized in that: The limit assembly (8) comprises a movable groove (81) provided at the top of one side of the first baffle plate (6) and the second baffle plate (10); the inner top wall of the movable groove (81) is fixedly connected to a support spring (82); the bottom end of the support spring (82) is fixedly connected to a movable block (84); the bottom end of the movable block (84) is fixedly connected to a limit rod (86); a limit groove (87) is provided on one side of the top end of the fixing ring (3); the bottom end of the limit rod (86) is slidably connected to the inside of the limit groove (87).

3. A single core fluxgate according to claim 2, characterized in that: A sliding hole (83) communicating with the interior of the movable groove (81) is vertically opened on one side of the first baffle plate (6) and the second baffle plate (10); an adjusting rod (85) is slidably connected to the interior of the sliding hole (83); and one side of the adjusting rod (85) is fixedly connected to the movable block (84).

4. A single core fluxgate according to claim 1, characterized in that: The positioning assembly (9) comprises positioning blocks (91) fixedly connected to the front and rear sides of the bottom end of the first frame (1) and arranged at equal distances in the transverse direction; the front and rear sides of the top end of the second frame (2) are both provided with positioning grooves (92) corresponding to the positioning blocks (91); the bottoms of the positioning blocks (91) are respectively slidably connected to the insides of the positioning grooves (92).

5. The single core fluxgate according to claim 1, characterized in that: The outer side of the fixing ring (3) is provided with a thread groove (13), and the inner sides of the first baffle plate (6) and the second baffle plate (10) are both threadedly connected to the thread groove (13).

6. A single core fluxgate according to claim 1, characterized in that: A wire laying groove (11) is vertically provided in the middle of both upper and lower sides of the first baffle (6).

7. A single core fluxgate according to claim 6, characterized in that: One side of each coil (5) is fixedly connected to a coil lead wire (12), and each coil lead wire (12) is slidably connected to the inside of a wire-releasing groove (11).

8. The single core fluxgate according to claim 1, characterized in that: An iron core (7) is slidably connected inside the flexible sleeve (4), and the cross-sectional shape of the iron core (7) is circular.

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