CN219832542U

CN219832542U - Magnetic flux converter

Info

Publication number: CN219832542U
Application number: CN202320032197.1U
Authority: CN
Inventors: 陆海军
Original assignee: Suzhou Aiduobang Electric Appliance Co ltd
Current assignee: Suzhou Aiduobang Electric Appliance Co ltd
Priority date: 2023-01-06
Filing date: 2023-01-06
Publication date: 2023-10-13
Anticipated expiration: 2033-01-06

Abstract

The utility model relates to a magnetic flux converter which comprises a magnetic yoke support, a second magnetic yoke and a coil skeleton assembly, wherein a reduction support and a pressing plate are erected at the top end of the magnetic yoke support, an iron core is inserted at the bottom end of the second magnetic yoke, a hook is connected with the bottom end of the magnetic yoke support in a pressure joint mode, the hook is connected with the bottom end of the magnetic yoke support in a clamping mode through a torsion spring, push rods are arranged on two sides of the hook, a spring support is arranged on the torsion spring cover, a first spring is connected between the push rods and the spring support in a pressure joint mode, a magnet is arranged at the bottom end of a support body, and the coil skeleton assembly is connected between the support body and the second magnetic yoke in a pressure joint mode. The magnetic flux converter has the advantages of convenience in positioning and assembling, prolonged service life, convenience in guiding and moving, easiness in changing magnetic flux and the like.

Description

Magnetic flux converter

Technical Field

The utility model relates to the technical field of low-voltage converters, in particular to a magnetic flux converter.

Background

At present, the magnetic flux converter is an executive component of the intelligent circuit breaker, the magnetic flux converter is an important connecting device of an electronic controller and a mechanical operating switch of the intelligent circuit breaker, the stable realization of a tripping function of the magnetic flux converter relates to the working reliability of the intelligent circuit breaker, and the magnetic flux converter is the most direct index of the quality of the intelligent circuit breaker. The magnetic flux converter is a small energy-storage electromagnet, which utilizes permanent magnetic material and spring energy storage, and the coil is powered by the current transformer through the capacitor. Under normal conditions of the circuit, the coil is not electrified, the iron core keeps a suction state under the suction action of the permanent magnet, and the spring is compressed to the maximum elasticity. When the circuit breaks down, the capacitor discharges through the coil, the magnetic field generated by the coil current counteracts the magnetic field generated by the permanent magnet, the electromagnetic attraction of the iron core is reduced, and when the force is smaller than the spring force, the iron core is tripped. The existing assembly structure influences assembly and reduces the service life of the converter.

To this end we have developed a flux transformer to solve the above problems.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide a magnetic flux converter which has the advantages of convenience in positioning and assembly, prolonged service life, convenience in guiding and moving, easiness in magnetic flux change and the like.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a magnetic flux converter comprises a magnetic yoke bracket, a second magnetic yoke and a coil skeleton assembly;

the magnetic yoke bracket comprises a bracket body, a magnet is arranged at the bottom end of the bracket body, and the coil framework component is pressed between the bracket body and the second magnetic yoke;

the top end of the magnetic yoke bracket is provided with a Z-shaped reduction bracket and a pressing plate, and the pressing plate is movably connected with the reduction bracket;

the bottom end of the second magnetic yoke is inserted with an elastic iron core, the bottom end of the iron core is in pressure connection with a hook, and the hook is clamped with the bottom end of the magnetic yoke bracket through a torsion spring;

the two sides of the hook are provided with a push rod, the torsion spring cover is provided with a spring bracket, and a first spring is crimped between the push rod and the spring bracket;

the bottom position department of push rod is equipped with a protruding fender, protruding fender with restore the support butt, when the coil skeleton subassembly switch on, the clamp plate is pressed down, restore the support compression first spring and promote the push rod, the iron core removes the magnetic flux that changes the coil skeleton subassembly.

Preferably, an upward first bending plate is vertically arranged at one side of the length direction of the support body, a second bending plate and a third bending plate are vertically arranged at two ends of the length direction of the first bending plate respectively, the first bending plate, the second bending plate and the third bending plate form a U-shaped structure, a downward fourth bending plate and a fifth bending plate are vertically arranged at two ends of the length direction of the support body respectively, the support body, the fourth bending plate and the fifth bending plate form a U-shaped structure, and a seventh bending plate and a sixth bending plate are vertically arranged at two sides of the length direction of the fifth bending plate, which are far away from the fourth bending plate, respectively.

Preferably, a positioning column is arranged at the bottom diagonal position of the coil framework assembly, the top end of the coil framework assembly is connected with the enameled wire through a contact pin, a convex ring is arranged at the middle position of the bottom end of the second magnetic yoke, positioning holes are formed in two sides of the convex ring, and the positioning column is spliced with the positioning holes.

Preferably, the two ends of the bottom of the second magnetic yoke are respectively provided with a T-shaped end, the bottom of the fourth bending plate is provided with a first buckle, the bottom of the fifth bending plate is provided with a second buckle, and the first buckle and the second buckle are respectively in pressure connection with the T-shaped ends.

Preferably, the iron core is provided with a second spring in a penetrating way, the bottom end of the iron core is in crimping connection with a limiting piece through an opening check ring, the limiting piece is in crimping connection with the second spring between the convex rings, and the convex rings are in plugging connection with the iron core.

Preferably, a first notch is formed in the middle position of the bottom end of the push rod, a second notch is formed in two sides of the first notch, a spring top plate is arranged in the middle position of the push rod, a horizontal guide post is arranged on the adjacent side wall of the spring top plate, a vertical guide groove is formed in the side wall of the second magnetic yoke, and the guide groove is in sliding connection with the guide post.

Preferably, a pressing head is arranged at one end of the hook, a first jack is arranged at the other end of the hook, a second jack is arranged at the middle position of the hook, a third jack is arranged on the seventh bending plate, a fourth jack is arranged on the sixth bending plate, the first jack, the third jack and the fourth jack are connected in an inserting mode through a first pin shaft, and the pressing head is connected with the iron core in an abutting mode.

Preferably, the torsion spring is arranged in a penetrating manner on the first pin shaft, a first pin is arranged at one end of the torsion spring, a second pin is arranged at the other end of the torsion spring, an L-shaped notch is arranged at one corner of the sixth bending plate, the first pin is connected with the L-shaped notch in a clamping manner, and the second pin is connected with the second jack in an inserting manner.

Preferably, a protruding column is arranged at the top end of the spring support, a bar-shaped column is arranged at the bottom end of the spring top plate, and the protruding column is in compression joint with the first spring.

Preferably, the second bending plate is provided with a fifth jack, the third bending plate is provided with a sixth jack, the fifth jack is connected with the sixth jack in an inserting mode through a second pin shaft, the second pin shaft is connected with the reduction support in an inserting mode and the pressing plate in an inserting mode, the reduction support is provided with a V-shaped groove, and the V-shaped groove is in abutting connection with the convex block.

Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:

according to the magnetic flux converter, the magnetic yoke bracket is riveted with the second magnetic yoke, so that the assembly and the positioning are facilitated; the use of the DT4 iron core improves the magnetic susceptibility, reduces the diamagnetism and prolongs the service life; one end of the push rod is abutted with the reduction bracket, the other end of the push rod is in compression joint through a first spring, and meanwhile, the guide groove is in sliding connection with the guide post, so that the guidance quality of the push rod is improved; the torsional spring crimping pressure head, pressure head crimping iron core, the iron core is with magnet actuation under the magnetization of coil skeleton subassembly, easily realizes the change of magnetic flux.

Drawings

Fig. 1 is a schematic structural view of a magnetic flux transformer according to the present utility model.

Fig. 2 is a schematic structural view of the yoke bracket according to the present utility model.

Fig. 3 is a schematic view of a structure of the magnetic flux transformer on the push rod side according to the present utility model.

Fig. 4 is a schematic structural view of the hook end of the present utility model.

Detailed Description

The utility model will be described in further detail with reference to the accompanying drawings and specific examples.

In fig. 1 to 4, a magnetic flux transformer includes a yoke bracket 10, a second yoke 30 and a coil bobbin assembly 20. The bottom end of the second magnetic yoke 30 is inserted with an elastic iron core 40, the bottom end of the iron core 40 is in pressure connection with a hook 60, and the hook 60 is clamped with the bottom end of the magnetic yoke bracket 10 through a torsion spring 75.

The yoke bracket 10 comprises a bracket body 11, a magnet 19 is arranged at the bottom end of the bracket body 11, an upward first bending plate 12 is vertically arranged at one side of the bracket body 11 in the length direction, a second bending plate 13 and a third bending plate 14 are vertically arranged at two ends of the first bending plate 12 in the length direction respectively, a U-shaped structure is formed by the first bending plate 12, the second bending plate 13 and the third bending plate 14, a downward fourth bending plate 15 and a fifth bending plate 16 are vertically arranged at two ends of the bracket body 11 in the length direction respectively, a U-shaped structure is formed by the bracket body 11, the fourth bending plate 15 and the fifth bending plate 16, and a seventh bending plate 17 and a sixth bending plate 18 are vertically arranged at two sides of the fifth bending plate 16 in the length direction away from the fourth bending plate 15 respectively.

The coil bobbin assembly 20 is crimped between the bracket body 11 and the second yoke 30. The bottom diagonal of the coil skeleton assembly 20 is provided with a positioning column 21, the top is connected with the enameled wire through a contact pin 22, a convex ring 32 is arranged at the middle position of the bottom of the second magnetic yoke 30, positioning holes 31 are formed in two sides of the convex ring 32, and the positioning column 21 is spliced with the positioning holes 31. The positioning connection in the diagonal direction is convenient.

The two ends of the bottom of the second magnetic yoke 30 are respectively provided with a T-shaped end 33, the bottom of the fourth bending plate 15 is provided with a first clamping buckle 151, the bottom of the fifth bending plate 16 is provided with a second clamping buckle 161, and the first clamping buckle 151 and the second clamping buckle 161 are respectively in pressure connection with the T-shaped end 33. Positioning and assembling are achieved through riveting.

The iron core 40 is penetrated with a second spring 42, the bottom end of the iron core 40 is crimped with a limiting piece 41 through a split washer, the limiting piece 41 is crimped with the second spring 42 between the convex ring 32, and the convex ring 32 is spliced with the iron core 40. The iron core 40 is made of pure iron and is easily magnetized.

The two sides of the hook 60 are provided with a push rod 50, a convex block 59 is arranged at the bottom position of the push rod 50, and the convex block 59 is abutted with the reduction bracket 80. The middle position of the bottom end of the push rod 50 is provided with a first notch 51, two sides of the first notch 51 are provided with a second notch 52, the middle position of the push rod 50 is provided with a spring top plate 55, the adjacent side wall of the spring top plate 55 is provided with a horizontal guide post 56, the side wall of the second magnetic yoke 30 is provided with a vertical guide groove 35, and the guide groove 35 is in sliding connection with the guide post 56.

One end of the hook 60 is provided with a pressing head 61, the other end is provided with a first jack 63, the middle position is provided with a second jack 62, the seventh bending plate 17 is provided with a third jack 171, the sixth bending plate 18 is provided with a fourth jack 181, the first jack 63, the third jack 171 and the fourth jack 181 are inserted and connected through a first pin shaft 65, the first pin shaft 65 is provided with a torsion spring 75 in a penetrating mode, and the pressing head 61 is abutted with the iron core 40. One end of the torsion spring 75 is provided with a first pin 751, the other end is provided with a second pin 752, one corner of the sixth bending plate 18 is provided with an L-shaped notch 182, the first pin 751 is clamped with the L-shaped notch 182, and the second pin 752 is spliced with the second jack 62. The torsion spring 75 houses a spring support 70, and a first spring 73 is crimped between the push rod 50 and the spring support 70.

A protruding column 72 is arranged at the top end of the spring support 70, a first spring 73 is pressed between the protruding column 72 and the strip column 551, and a strip column 551 is arranged at the bottom end of the spring top plate 55. The first spring 73 is positioned by the spring support 70, the stud 72 and the bar 551.

The top end of the magnetic yoke bracket 10 is provided with a Z-shaped reduction bracket 80 and a pressing plate 90, and the pressing plate 90 is movably connected with the reduction bracket 80. The second bending plate 13 is provided with a fifth jack 131, the third bending plate 14 is provided with a sixth jack 141, the fifth jack 131 and the sixth jack 141 are inserted with a second pin shaft 85, the second pin shaft 85 is inserted with a first pin hole 82 of the reduction bracket 80 and a second pin hole 91 of the pressing plate 90, the reduction bracket 80 is provided with a V-shaped groove 81, and the V-shaped groove 81 is abutted with the convex block 59.

The torsion spring 75 presses the pressing head 61 of the hook 60 to the spring end of the iron core 40, the coil skeleton assembly 20 is connected to an external power supply through the enameled wire on the contact pin 22, the pressing plate 90 is pressed down, the pressing plate 90 drives the reduction bracket 80 to move downwards, the V-shaped groove 81 abuts against the convex block 59 of the pushing push rod 50 to move downwards, the first spring 73 is compressed, after the coil skeleton assembly 20 is electrified, the iron core 40 is magnetized, and the iron core 40 and the magnet 19 are attracted, so that the magnetic flux of the coil skeleton assembly 20 is changed.

The foregoing is merely a specific application example of the present utility model, and the protection scope of the present utility model is not limited in any way. All technical schemes formed by equivalent transformation or equivalent substitution fall within the protection scope of the utility model.

Claims

1. A magnetic flux transformer, characterized by: comprises a magnetic yoke bracket (10), a second magnetic yoke (30) and a coil framework component (20);

the magnetic yoke bracket (10) comprises a bracket body (11), a magnet (19) is arranged at the bottom end of the bracket body (11), and the coil skeleton assembly (20) is pressed between the bracket body (11) and the second magnetic yoke (30);

a Z-shaped reduction bracket (80) and a pressing plate (90) are erected at the top end of the magnetic yoke bracket (10), and the pressing plate (90) is movably connected with the reduction bracket (80);

the bottom end of the second magnetic yoke (30) is inserted with an elastic iron core (40), the bottom end of the iron core (40) is in pressure connection with a hook (60), and the hook (60) is clamped with the bottom end of the magnetic yoke bracket (10) through a torsion spring (75);

the two sides of the hook (60) are provided with a push rod (50), the torsion spring (75) is covered with a spring bracket (70), and a first spring (73) is pressed between the push rod (50) and the spring bracket (70);

a protruding block (59) is arranged at the bottom of the push rod (50), the protruding block (59) is abutted to the reduction support (80), when the coil skeleton assembly (20) is powered on, the pressing plate (90) is pressed down, the reduction support (80) compresses the first spring (73) and pushes the push rod (50), and the iron core (40) moves to change magnetic flux of the coil skeleton assembly (20).

2. The magnetic flux transformer according to claim 1, wherein an upward first bending plate (12) is vertically disposed at one side of the support body (11) in the length direction, a second bending plate (13) and a third bending plate (14) are vertically disposed at two ends of the first bending plate (12) in the length direction, the first bending plate (12), the second bending plate (13) and the third bending plate (14) form a U-shaped structure, a downward fourth bending plate (15) and a fifth bending plate (16) are vertically disposed at two ends of the support body (11) in the length direction, the support body (11), the fourth bending plate (15) and the fifth bending plate (16) form a U-shaped structure, and a seventh bending plate (17) and a sixth bending plate (18) are vertically disposed at two sides of the fifth bending plate (16) in the length direction away from the fourth bending plate (15).

3. The magnetic flux transformer according to claim 2, wherein a positioning column (21) is provided at a bottom end diagonal of the bobbin assembly (20), and the top end is connected to the enameled wire by a pin (22), a convex ring (32) is provided at a bottom end intermediate position of the second yoke (30), positioning holes (31) are provided at both sides of the convex ring (32), and the positioning column (21) is inserted into the positioning holes (31).

4. The magnetic flux transformer according to claim 2, wherein a T-shaped end (33) is provided at each of both ends of the bottom of the second yoke (30), a first buckle (151) is provided at the bottom end of the fourth bending plate (15), a second buckle (161) is provided at the bottom end of the fifth bending plate (16), and the first buckle (151) and the second buckle (161) are respectively pressure-bonded with the T-shaped end (33).

5. A magnetic flux transformer according to claim 3, wherein the iron core (40) is provided with a second spring (42) in a penetrating way, the bottom end of the iron core (40) is in crimping connection with a limiting piece (41) through a split washer, the limiting piece (41) is in crimping connection with the second spring (42) between the convex ring (32), and the convex ring (32) is in plugging connection with the iron core (40).

6. The magnetic flux transformer according to claim 5, wherein a first notch (51) is provided at a middle position of a bottom end of the push rod (50), a second notch (52) is provided at both sides of the first notch (51), a spring top plate (55) is provided at a middle position of the push rod (50), a horizontal guide post (56) is provided at a side wall adjacent to the spring top plate (55), a vertical guide groove (35) is provided at a side wall of the second yoke (30), and the guide groove (35) is slidably connected with the guide post (56).

7. The magnetic flux transformer according to claim 6, wherein a pressure head (61) is provided at one end of the hook (60), a first insertion hole (63) is provided at the other end, a second insertion hole (62) is provided at the middle position, the seventh bending plate (17) is provided with a third insertion hole (171), the sixth bending plate (18) is provided with a fourth insertion hole (181), the first insertion hole (63), the third insertion hole (171) and the fourth insertion hole (181) are inserted through a first pin (65), and the pressure head (61) is abutted against the iron core (40).

8. The magnetic flux transformer of claim 7, wherein the first pin (65) is threaded with the torsion spring (75), one end of the torsion spring (75) is provided with a first pin (751), the other end is provided with a second pin (752), an L-shaped notch (182) is provided at a corner of the sixth bending plate (18), the first pin (751) is clamped with the L-shaped notch (182), and the second pin (752) is plugged with the second jack (62).

9. The magnetic flux transformer of claim 6, wherein a boss (72) is provided at a top end of the spring holder (70), a bar-shaped post (551) is provided at a bottom end of the spring top plate (55), and the first spring (73) is crimped between the boss (72) and the bar-shaped post (551).

10. The magnetic flux transformer according to claim 2, wherein the second bending plate (13) is provided with a fifth insertion hole (131), the third bending plate (14) is provided with a sixth insertion hole (141), the fifth insertion hole (131) is inserted into a second pin shaft (85) with the sixth insertion hole (141), the second pin shaft (85) is inserted into the reduction support (80) and the pressing plate (90), the reduction support (80) is provided with a V-shaped groove (81), and the V-shaped groove (81) is abutted against the protruding block (59).