A color ring inductor with bent legs in the same direction and its process method

Abstract

The invention discloses a color ring inductor with bent feet in the same direction and a process method thereof, characterized in that a core is sandwiched in the middle of a core frame, a through hole is provided in the center of the core and the center of the core frame, an enameled wire is wound on the outer diameter of the core to form a coil, the wire end of the enameled wire is connected to a core bar, the intersection point is connected and connected to an external power supply, an enameled wire is wound around the outer core to form an inductor coil, the outer end of the first end cover and the second end cover of the core bar are exposed and bent into a foot in the same direction, the coil made of the core bar, the core and the enameled wire is coated with iron powder, zinc powder, magnesium powder, copper powder, bismuth powder and adhesive to form a cylindrical shape, and then is formed by high-temperature drying, the first end cover and the second end cover on both sides of the body are exposed, the core bar is installed in the through hole and the end thereof has a spacing, the outer diameter of the body has a groove, the outer diameter of the body is coated with green paint, and the foot is installed in the connection pit on the circuit board and tinned for conduction. The advantages are: easy to make, novel design, compact structure, good transmission performance, less casting molds, energy saving and consumption reduction.

Description

Technical Field

[0001] The invention relates to an inductor, in particular to an inductor with bent pins in the same direction and a process method thereof. Background Art

[0002] Traditional color ring inductors are installed in reverse, and there is also a color ring inductor that is installed with reverse bent legs. This installation is easy and will not overlap, but it occupies a large area, is easy to break, and requires a lot of installation work. Comparative Document 1, Application Number: 201820051517.7, Invention Name: A SMD color ring inductor, comprising a body and two pins respectively arranged at both ends of the body, the pins comprising a connecting portion and a bottom, the two ends of the connecting portion are respectively connected to the body and the bottom, the connecting portion has an arc surface, the arc surface extends from the outer wall of the connecting portion to the bottom end of the connecting portion, and is connected to the bottom surface of the bottom, the bottom is located below the body, the bottoms of the two pins are located on the same plane, and the bottom is flat sector-shaped, trapezoidal, circular, and rectangular. Comparative Document 2, Application No.: 20-1711136938.6, Name: A method for making a patch color ring inductor, the method comprising: winding the I-shaped inductor core pins with two ends of the color ring inductor, then scalding off the paint coating of the enameled copper wire of the pins, tinning, turning the core over and repeating the above steps to tin the pins on the other side; placing the tinned color ring inductor winding core on the color ring inductor automatic coating machine for coating; clamping the finished plug-in color ring inductor pins up and down with a fixture and bending the pins 90 degrees into a U shape; clamping the pins on both sides with a fixture at the bottom height of the color ring inductor core and folding the pins 90 degrees to the left and right sides to form an L shape, so that the two sides of the entire patch pins are symmetrical in a Z shape; determining the length of the patch pin size according to the actual size of the color ring inductor body, cutting off the pins with excess length, and completing the patch molding process. The comparative document is different from this case. Summary of the invention

[0003] The purpose of the present invention is to provide a color ring inductor with same-direction bent-leg installation, which is convenient to install, occupies less area, has strong installation stability, smooth circuit, strong sensitivity, low manufacturing cost, strong compactness and good transmission performance.

[0004] The technical solution of the present invention is as follows: a color ring inductor with bent feet in the same direction, comprising a foot, a bent foot, a joint, a first end cover, a groove, a second end cover, a first conductor sheet, a first interlayer, a second conductor sheet, a second interlayer, a third conductor sheet, a third interlayer, a fourth conductor sheet, a fourth interlayer, a fifth conductor sheet, a fifth interlayer, a core frame, a core, a first contact point, a second contact point, a third contact point, a fourth contact point, a fifth contact point, a body, a core bar, a coil, a through hole, a junction point, an enameled wire and a sheet hole, characterized in that a core 18 is sandwiched in the middle of a core frame 17, a through hole 27 is provided at the center of the core 18 and the center of the core frame 17, an enameled wire 29 is wrapped around the outer diameter of the core 18 to form a coil 26, and the wire end of the enameled wire 29 is connected to the core bar 25 The core 18 is connected, the intersection 28 is connected and connected to the external power supply, the core 18 is surrounded by an enameled wire 29 to form an inductor 26, the core strip 25 exposes the outer ends of the first end cover 4 and the second end cover 6 and is bent into the same direction The foot 1, the coil 26 made of the core strip 25, the core 18 and the enameled wire 29 is coated with iron powder, zinc powder, magnesium powder, copper powder, bismuth powder and adhesive to form a cylindrical shape, and then dried at a high temperature of 800~3000 degrees, the core strip 25 exposes the first end cover 4 and the second end cover 6 on both sides of the body 24, the core strip 25 is installed in the through hole 27 and its ends are spaced, the outer diameter of the body 24 has a groove 5, the outer diameter of the body 24 is coated with green paint, and the foot 1 is installed in the connection pit on the circuit board and tinned for conduction.

[0005] The foot 1 is bent in the same direction along the outer diameter of the outer circle of the body 24 and is flat and straight. The foot 1 , the bent foot 2 and the joint 3 are located on both sides of the body 24 .

[0006] There is an angle of 1 to 90 degrees between the bottom foot 1 and the bent foot 2.

[0007] The bent leg 2 is connected to the joint 3 and has an angle of 0 to 180 degrees in the lower semicircle.

[0008] The connector 3 is coaxial with the body 24 , and passes through the first end cover 4 and the second end cover 6 respectively, and then is connected to the lead head of the inductor coil 26 formed by the enameled wire 29 of the core frame 17 .

[0009] The conductor material of the inner cavity of the body 24 is one or more of iron powder, magnesium powder, zinc powder, copper powder and bismuth powder.

[0010] The diameter of the enameled wire wrapped around the core frame 17 is 0.1-1.2 mm.

[0011] The enameled wire 29 lead ends wrapped around the core frame 17 have more than one lead end.

[0012] The conductive material in the inner cavity of the body 24 is 6-10 parts by mass of iron powder, 1-3 parts by mass of magnesium powder, 3-6 parts by mass of zinc powder, 4-8 parts by mass of copper powder, and 5-9 parts by mass of bismuth powder;

[0013] Preferably, the iron powder is 10 parts by mass, the magnesium powder is 1 part by mass, the zinc powder is 3 parts by mass, the copper powder is 8 parts by mass, and the bismuth powder is 6 parts by mass.

[0014] The process steps are:

[0015] Step 1, the enameled wire with the number of coils and wire diameter required by the inductor function designed according to the product requirements is wrapped around the core 18 and the lead wire connector is connected to the connector 3, and the core 18 is fastened with a core frame 17 on both sides;

[0016] Step 2, placing the core 18, core frame 17 and enameled wire of step 1 into the inner cavity of the body 24;

[0017] Step 3, select 10 parts by mass of iron powder, 1 part by mass of magnesium powder, 3 parts by mass of zinc powder, 8 parts by mass of copper powder, and 5 parts by mass of bismuth powder, grind them into powder passing through a 30-150 mesh sieve, add adhesive epoxy resin, mix well, put into the inner cavity of the body 24 and wrap around the core 18, the core frame 17 and the enameled wire 29 to form an inductor 26 into a cylindrical shape;

[0018] Step 4, drying the cylindrical product from step 3 at 800-3000°C;

[0019] Step 5, the bent foot 2, the bottom foot 1, and the joint 3 are connected, the bent foot 2 is first bent obliquely backward, and then bent backward, the bottom foot 1 is bent backward in the same direction, the bottom foot 1 is straightened flat, and the bottom foot 1 is located on the left and right sides of the body 24;

[0020] Step 6, the core 18 is wound with an enameled wire 29, and the enameled wire 29 is wound on the outer diameter of the core 18 to form a colored ring inductor 26;

[0021] Step 7, the foot 1 is placed in the potential connection pit of the circuit board and then tinned to connect the circuit;

[0022] Step 8: The distance between the foot 1 and the body 24 is greater than 0.1 mm.

[0023] Compared with the prior art, the invention has the advantages of easy manufacture, novel design, low use cost, small footprint, compact structure, good transmission performance, less mold usage, and energy saving and consumption reduction. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 For the present invention, the assembly press Figure 2 Schematic top view of .

[0025] Figure 2 It is a schematic cross-sectional view of the assembly of the present invention.

[0026] Figure 3 It is a schematic rear view of the assembly of the present invention.

[0027] Figure 4 The present invention is a schematic front and cross-sectional view of a conductor sheet installed in the inner cavity of the main body.

[0028] Figure 5 It is a schematic diagram of the left side of the assembly of the present invention.

[0029] Figure 6 It is a front view schematic diagram of assembling the coil core frame of the present invention.

[0030] Figure 7 For assembling the coil core frame of the present invention Figure 6 AA cross-sectional view of .

[0031] Figure 8 For the present invention, the assembly press Figure 4 A cross-sectional view of the body housing with conductor sheet contacts.

[0032] Fig. 9 It is a schematic front view of the conductor sheet of the present invention.

[0033] Fig.10 It is a left side schematic diagram of the conductor sheet of the present invention.

[0034] Fig.11 It is a schematic front view of the core strip of the present invention.

[0035] Fig.12 It is a left schematic view of the core strip of the present invention.

[0036] Fig.13 It is a cross-sectional structural schematic diagram of the core frame of the present invention with core bars installed at both ends.

[0037] Figure numerals: base foot 1, bent foot 2, joint 3, first end cover 4, groove 5, second end cover 6, first conductor sheet 7, first interlayer 8, second conductor sheet 9, second interlayer 10, third conductor sheet 11, third interlayer 12, fourth conductor sheet 13, fourth interlayer 14, fifth conductor sheet 15, fifth interlayer 16, core frame 17, core 18, first contact point 19, second contact point 20, third contact point 21, fourth contact point 22, fifth contact point 23, body 24, core bar 25, coil 26, through hole 27, intersection point 28, enameled wire 29, sheet hole (30). DETAILED DESCRIPTION

[0038] The present invention will be further described below in conjunction with the accompanying drawings.

[0039] Embodiment 1, the core frame 17 is used as a clamping plate at both ends of the core 18, the core 18 and the core frame 17 have a central through hole 27, the core strip 25 is inserted into both sides of the through hole 27, and the ends of the core strip 25 in the through hole 27 are spaced and do not touch each other. The enameled wire 29 is selected to be 0.01~1.2mm. The enameled wire 29 is wrapped around the outer diameter of the core 18 to form a color ring inductor 26. The enameled wire 29 of the inductor 26 has two connectors connected to the external power and the intersection 28 respectively, and the core strip 25 is connected and conductive with the intersection 28. The core strips 25 on both sides are exposed 3~30mm from the first end cover 4 and the second end cover 6, and after being inclined 5~50mm outward to form a bent foot 2, they are bent back to form a bottom foot 1. The bottom foot 1 is bent back in the same direction on both sides of the body 24 to form a flat bottom straight foot. After the bottom foot 1 is installed in the connection pit of the circuit board, it is tin-filled to make it connected and work. The circuit board is a circuit board for various electrical appliances such as solar circuit boards, household appliances, industrial tools, etc. Iron powder, magnesium powder, zinc powder, and copper powder are mixed and bonded to the core frame 17, core 18, enameled wire 29, coil 26, and the inner section of the core strip 25 by an adhesive to form a cylindrical shape, placed in a heating box for drying, the temperature of the heating box is 800-3000 degrees, and then the outer surface of the cylinder is coated with a green paint, and the outer diameter of the outer ring of the cylinder has a groove 5. Iron powder, magnesium powder, zinc powder, copper powder, and bismuth powder are crushed and passed through a 20-120 mesh sieve.

[0040] Example 2, refer to the attached Figure 1 , refer to Example 1, the bottom foot 1 is connected to the bent foot 2, the bent foot 2 is connected to the connector 3, the connector 3 is connected to the lead head of the enameled wire 29 wrapped around the core 18, the enameled wire 29 is wound around the core 18 to form a color ring inductor coil 26, and the number of turns and wire diameter of the coil 26 of the enameled wire 29 are designed according to the product type and function requirements. Now take the wire diameter 0.1~1.2mm, take the conductor sheet material iron powder, zinc powder, magnesium powder, copper powder, bismuth powder in a ratio of 10:1:3:4:5, grind through a 20∽1200 mesh sieve, mix and add adhesive epoxy resin to bond into a cylindrical shape, and then put it into a drying oven for drying, and the drying oven temperature is 800~2000 degrees. The angle between the bent foot 2 and the bottom foot 1 is 1~90 degrees, and the angle between the bent foot 2 and the connector 3 is 0~180 degrees. The connector 3 is on the middle axis of the first end cover 4 and the second end cover 6 on both sides of the body 24. The body 24 is cylindrical, and the outer diameter of the body 24 has a radial annular groove 5. The bent foot 2 is bent backwards to form an inclined surface at the end of the joint 3, and then the bent foot 2 is bent backwards to form a foot 1 with a flat bottom surface. The left and right foot 1 are bent in the same direction of the body 24, so that the directions of the foot 1 on both sides of the body 24 are the same direction.

[0041] Embodiment 3, referring to the attached drawings, referring to Embodiment 1 and Embodiment 2, the connection relationship and structure of the base 1, bent base 2, and joint 3 of the body 24 and the two sides of the body 24 remain unchanged, the base 1 is a flat bottom surface, and the bending directions of the left and right bases 1 remain unchanged. Instead, the internal structure is changed, the iron powder, zinc powder, magnesium powder, copper powder, and bismuth powder of the conductive wire material are crushed and passed through a 30∽150 mesh sieve according to the ratio of 8:0.5:2:4.5:6, these materials are mixed with epoxy resin adhesive, and pressed into conductor sheets respectively, the first conductor sheet 7 is iron powder, the second conductor sheet 9 is magnesium powder, the third conductor sheet 11 is copper powder, the fourth conductor sheet 13 is magnesium powder, and the fifth conductor sheet 15 is bismuth powder. These conductor sheets are connected in series and installed on the center line of the inner cavity of the body 24. They are connected and conducted with wires. The first conductor sheet 7 is connected and conducted with the left joint 3 through the first end cover 4. The fifth conductor sheet 15 passes through the second end cover 6 on the right side to connect to the connector 3, the connector 3 is connected to the conductive bent foot 2, the bent foot 2 is connected to the base foot 1, the base feet 1 on the left and right sides of the body 24 are in the same direction, and the base foot 1 is connected to the circuit board through the connection pit of the circuit board and tinned and welded to work. The first conductor sheet 7, the second conductor sheet 9, the third conductor sheet 11, the fourth conductor sheet 13, and the fifth conductor sheet 15 are connected in series and are conductive, and each conductor sheet can be connected to the circuit with a single tap to obtain different functional applications. The series connection method is that each conductor sheet has a hole in the center to install a core strip 25, and the core strip 25 has different contacts to connect and conduct with the connector 3. The connector 3 is connected to the circuit board through the bent foot 2 and the base foot 1, and the circuit board connection pit groove allows the base foot 1 to be placed in the tin for conduction.

Claims

1. A color ring inductor with bent pins in the same direction, comprising a base, a bent pin, a joint, a first end cap, a groove, a second end cap, a first conductor sheet, a first interlayer, a second conductor sheet, a second interlayer, a third conductor sheet, a third interlayer, a fourth conductor sheet, a fourth interlayer, a fifth conductor sheet, a fifth interlayer, a core frame, a core, a first contact point, a second contact point, a third contact point, a fourth contact point, a fifth contact point, a body, a core bar, a coil, a through hole, a junction point, an enameled wire and a sheet hole, characterized in that The core frame (17) is sandwiched with a core (18), the core (18) and the core frame (17) have a through hole (27), the end of the enameled wire (29) is connected to the core strip (25), the intersection (28) is connected and connected to an external power supply, the core (18) is wound with an enameled wire (29) to form an inductor (26), the core strip (25) is exposed to the first end cover (4), the second end cover (6) and the outer end is bent into a foot (1) in the same direction, the core strip ( 25), the inductor coil (26) made of the core (18) and the enameled wire (29) is coated with iron powder, zinc powder, magnesium powder, copper powder and bismuth powder, and is bonded into a cylindrical shape with an adhesive, and then dried at a high temperature of 800 to 3000 degrees to form a core strip (25) exposed to the first end cover (4) and the second end cover (6) on both sides of the body (24), the core strip (25) is installed in the through hole (27) and its ends are spaced, and the outer diameter of the body (24) has a groove (5), The outer diameter of the body (24) is painted with green paint, and the foot (1) is inserted into the connection pit on the circuit board and tinned for conduction. The bending direction of the foot (1) is to bend backward in the same direction along the outer diameter of the outer circle of the body (24). The foot (1) is a flat straight surface. The foot (1), the bent foot (2), and the connector (3) are located on both sides of the body (24). The connector (3) and the body (24) are coaxial, and are connected to the lead head of the inductor coil (26) wound by the enameled wire (29) of the core frame (17) after passing through the first end cover (4) and the second end cover (6).

2. The same direction bent leg color ring inductor according to claim 1, characterized in that An included angle between the bottom foot (1) and the bent foot (2) is 1 to 90 degrees.

3. The same direction bent leg color ring inductor according to claim 1, characterized in that The bent leg (2) is connected to the joint (3) and has an angle of 0 to 180 degrees in the lower semicircle.

4. The same direction bent leg color ring inductor according to claim 1, characterized in that The conductor material of the inner cavity of the body (24) is one or more of iron powder, magnesium powder, zinc powder, copper powder and bismuth powder.

5. The same direction bent leg color ring inductor according to claim 1, characterized in that The diameter of the enameled wire wrapped around the core frame (17) is 0.1-1.2 mm.

6. The same direction bent leg color ring inductor according to claim 1, characterized in that The enameled wire (29) lead-in head wrapped by the core frame (17) has more than one lead-in head.

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