CN212810039U

CN212810039U - Current transformer device with ultracrystalline iron core

Info

Publication number: CN212810039U
Application number: CN202022169780.6U
Authority: CN
Inventors: 杨益
Original assignee: Nantong Jusheng Amorphous Technology Co ltd
Current assignee: Nantong Jusheng Amorphous Technology Co ltd
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2021-03-26
Anticipated expiration: 2030-09-28

Abstract

The utility model discloses a super microcrystal iron core's current transformer device, the on-line screen storage device comprises a base, the upper surface central point of base puts and is provided with the current transformer shell, the inside central point of current transformer shell puts and is provided with super microcrystal iron core along the circumferencial direction, be provided with high temperature resistant shell on super microcrystal iron core's the outer wall, the outside outer wall both sides of super microcrystal iron core and high temperature resistant shell cladding respectively have wire winding group A and wire winding group B, the outside of high temperature resistant shell and the inboard of super microcrystal iron core all are provided with the inner shell, the outside of inner shell is provided with the buffer board, be provided with the isolated layer on the outer wall of buffer board. The utility model provides a current transformer device when carrying out the problem that the magnetic conduction efficiency of the inside iron core of during operation current transformer is not high and receive the influence in external earth magnetic field easily, improved magnetic conduction efficiency and measurement accuracy, still optimized the fastening of outside coil, be convenient for install and fasten effectually, the practicality is strong.

Description

Current transformer device with ultracrystalline iron core

Technical Field

The utility model relates to a current transformer technical field specifically is a current transformer device of super brilliant iron core.

Background

The current transformer mainly has the function of converting large current into standard small current in proportion so as to realize standardization and miniaturization of measuring instruments, protective equipment and automatic control equipment, but the existing current transformer device has a plurality of problems or defects:

1. when the existing current transformer device works, the magnetic conduction efficiency of an inner iron core of the current transformer is not high, and the current transformer device is easily influenced by an external earth magnetic field, so that the precision is low, and the current transformer device does not conform to the use specification;

2. when the existing current transformer device is used, the temperature of an internal coil begins to rise, so that devices at other parts inside the current transformer device are damaged, and the service life is short;

3. the current transformer device is complex in structure and unstable in binding when a coil is bound, measurement precision is reduced, and the current transformer device is not beneficial to use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a current transformer device of super microcrystalline iron core to the analysis that proposes among the solution above-mentioned background art is inaccurate, the damage of electrode and the safety problem of funnel to the user.

In order to achieve the above object, the utility model provides a following technical scheme: a current transformer device with an ultracrystalline iron core comprises a base, wherein a current transformer outer shell is arranged at the central position of the upper surface of the base, the ultracrystalline iron core is arranged at the central position of the inner portion of the current transformer outer shell along the circumferential direction, a high-temperature-resistant shell is arranged on the outer wall of the ultracrystalline iron core, a winding group A and a winding group B are respectively wrapped on the two sides of the outer side walls of the ultracrystalline iron core and the high-temperature-resistant shell, inner shells are respectively arranged on the outer sides of the high-temperature-resistant shell and the inner side of the ultracrystalline iron core, a buffer plate is arranged on the outer side of each inner shell, an isolation layer is arranged on the outer wall of each buffer plate, the outer side wall of each isolation layer is arranged on the inner wall of the current transformer outer shell, a binding post A and a binding post B are respectively arranged on the two sides of the bottom of the front end face, and the wiring terminal A and the wiring terminal B are formed by combining an outer fixing plate, an outer fastening plate, an outer connector lug, a wiring tube, an inner fixing plate, an inner fastening plate, an outer thread A, an inner connector lug, an outer thread B, a threaded hole A and a threaded hole B.

Preferably, the bottom outer wall both sides of current transformer shell all are provided with the mounting panel, and the mounting panel is the symmetric distribution, and the mounting panel passes through fixing bolt to be installed on the base.

Preferably, an outer connector lug is arranged at the center of the upper surface of the outer fixing plate, and the top end of the outer connector lug penetrates through a threaded hole A in the top end face of the outer fastening plate.

Preferably, the outer wall of the top end of the outer connector lug is provided with an external thread B, the threaded hole A is located at the top center of the outer fastening plate, the external thread B is meshed with an internal thread in the hole wall of the threaded hole A and is connected with the inner fixing plate, and the bottom of the outer fixing plate is connected with the inner fixing plate through a wiring pipe.

Preferably, an inner connector lug is arranged at the center of the lower surface of the inner fixing plate, and the bottom end of the inner connector lug penetrates through a threaded hole B in the end face of the bottom of the inner fastening plate.

Preferably, the outer wall of the bottom end of the inner connector lug is provided with an external thread A, the threaded hole B is located at the center of the bottom of the inner fastening plate, and the external thread A is meshed with an internal thread in the hole wall of the threaded hole B.

Compared with the prior art, the utility model discloses an innovation point effect of design is:

(1) the utility model discloses a through a series of cooperation settings, change original ordinary iron core into high-quality ultracrystalline iron core, when current flows through inside, form closed circuit, can improve magnetic conduction efficiency through ultracrystalline iron core, when current flows through the time winding group A carries out work, winding group B is used for the induction magnetic field to form the electric current, utilizes inner shell and isolated layer to isolate external earth magnetic field, thereby makes inside electromagnetic induction not disturbed;

(2) through the matching arrangement of the high-temperature-resistant shell, the buffer plate and the isolation layer, when an internal current forms a closed circuit, the temperature of the winding group A and the temperature of the winding group B start to rise, the high-temperature-resistant shell can protect other devices on the outer side, high-temperature damage is avoided, when the current is too large, the buffer plate and the isolation layer can also play a role in insulation protection, and the protection capability of the device is improved;

(3) through outer fixed plate, the inner fixed plate, outer mounting plate, interior mounting plate, outer connector lug, inner connector lug, external screw thread A, external screw thread B, screw hole A and screw hole B's cooperation setting, when current transformer during operation, inner connector lug connection winding group A and winding group B, outer connector lug carries out the coil wire winding, the internal thread meshing in the screw hole A pore wall on external screw thread B and the outer mounting plate of outer connector lug is connected, thereby make outer mounting plate downstream fasten the coil, and convenient to operate is swift, the structure of binding the coil has been optimized, therefore, the clothes hanger is strong in practicability.

Drawings

Fig. 1 is a cross-sectional view of the present invention;

fig. 2 is a side view of the present invention;

fig. 3 is a top view of the present invention;

fig. 4 is a partially enlarged structural view of the terminal in fig. 2 according to the present invention.

In the figure: 1. a base; 2. mounting a plate; 3. a current transformer housing; 4. an insulating layer; 5. a buffer plate; 6. an inner shell; 7. a winding group A; 8. a high temperature resistant shell; 9. an ultra-microcrystalline iron core; 10. a winding group B; 11. a binding post A; 12. a binding post B; 13. an outer fixing plate; 14. an outer fastening plate; 15. an outer terminal; 16. a wire connecting pipe; 17. an inner fixing plate; 18. an inner fastening plate; 19. an external thread A; 20. an inner connector lug; 21. an external thread B; 22. a threaded hole A; 23. and a threaded hole B.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: a current transformer device of an ultracrystalline iron core comprises a base 1, a current transformer shell 3 is arranged at the central position of the upper surface of the base 1, mounting plates 2 are arranged on two sides of the outer wall of the bottom of the current transformer shell 3, the mounting plates 2 are symmetrically distributed, the mounting plates 2 are mounted on the base 1 through fixing bolts, an ultracrystalline iron core 9 is arranged at the central position inside the current transformer shell 3 along the circumferential direction, a high-temperature-resistant shell 8 is arranged on the outer wall of the ultracrystalline iron core 9, a winding group A7 and a winding group B10 are respectively coated on two sides of the outer walls of the ultracrystalline iron core 9 and the high-temperature-resistant shell 8, an original common iron core is changed into an ultracrystalline iron core 9 with high quality, a closed circuit is formed when current flows inside, the magnetic conduction efficiency can be improved through the ultracrystalline iron core 9, the winding group A7 works when the current flows, the winding, the inner shell 6 and the isolation layer 4 are used for isolating the external earth magnetic field, so that the internal electromagnetic induction is not interfered;

the outer side of the high-temperature resistant shell 8 and the inner side of the ultracrystalline iron core 9 are both provided with an inner shell 6, the outer side of the inner shell 6 is provided with a buffer plate 5, the outer wall of the buffer plate 5 is provided with an isolation layer 4, the outer wall of the outer side of the isolation layer 4 is arranged on the inner wall of the current transformer outer shell 3, two sides of the bottom of the front end face of the current transformer outer shell 3 are respectively provided with a terminal A11 and a terminal B12, the other ends of the terminal A11 and the terminal B12 penetrate through the current transformer outer shell 3 to be connected with a winding group A7 and a winding group B10, when internal current forms a closed circuit, the temperatures of the winding group A7 and the winding group B10 start to rise, the high-temperature resistant shell 8 can protect other devices on the outer side to avoid high-temperature damage, and when the current is too large, the buffer plate 5 and the isolation;

the terminal A11 and the terminal B12 are formed by combining an outer fixing plate 13, an outer fastening plate 14, an outer connector 15, a junction tube 16, an inner fixing plate 17, an inner fastening plate 18, an outer thread A19, an inner connector 20, an outer thread B21, a threaded hole A22 and a threaded hole B23, the outer connector 15 is arranged at the central position of the upper surface of the outer fixing plate 13, the top end of the outer connector 15 penetrates through a threaded hole A22 on the top end surface of the outer fastening plate 14, the outer wall of the top end of the outer connector 15 is provided with an outer thread B21, the threaded hole A22 is positioned at the central position of the top of the outer fastening plate 14, the outer thread B21 is in threaded engagement with an inner thread in the hole wall of the threaded hole A22, the bottom of the outer fixing plate 13 is connected with the inner fixing plate 17 through the junction tube 16, the central position of the lower surface of the inner fixing plate 17 is provided with the inner connector 20, the bottom end of the inner connector 20 penetrates, screw hole B23 is located the bottom central point of interior mounting plate 18 and puts, the internal thread meshing that external screw thread A19 and screw hole B23 in the pore wall is connected, when current transformer during operation, internal joint 20 connects wire winding group A7 and wire winding group B10, external joint 15 carries out the coil wire winding, external thread B21 on the external joint 15 is connected with the internal thread meshing in the screw hole A22 pore wall on the outer mounting plate 14, thereby make outer mounting plate 14 lapse and fasten the coil, and convenient and fast installation, the structure of binding the coil has been optimized.

The working principle is as follows: when the current transformer is used, the original common iron core is changed into the high-quality ultracrystalline iron core 9, when current flows through the inner part, a closed circuit is formed, the magnetic conduction efficiency can be improved through the ultracrystalline iron core 9, the winding group A7 works when the current flows, the winding group B10 is used for inducing a magnetic field to form current, the outer earth magnetic field is isolated by the inner shell 6 and the isolation layer 4, so that the internal electromagnetic induction is not interfered, when the internal current forms a closed circuit, the temperature of the winding group A7 and the temperature of the winding group B10 start to rise, the high-temperature resistant shell 8 can protect other devices on the outer side to avoid high-temperature damage, when the current is too large, the buffer plate 5 and the isolation layer 4 can also play a role of insulation protection, the protection capability of the devices is improved, when the current transformer works, the inner connector 20 is connected with the winding group A7 and the winding group B10, and the outer connector 15 carries out coil, external screw thread B21 on the outer connector lug 15 is connected with the internal thread meshing in the screw hole A22 pore wall on the outer mounting plate 14 to make outer mounting plate 14 move down and fasten the coil, simple to operate is swift, has optimized the structure of binding the coil, and the practicality is strong.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A current transformer device of an ultracrystalline iron core comprises a base (1), and is characterized in that: the current transformer comprises a base (1), a current transformer outer shell (3) is arranged at the center of the upper surface of the base (1), an ultracrystalline iron core (9) is arranged at the center of the inner portion of the current transformer outer shell (3) along the circumferential direction, a high-temperature-resistant shell (8) is arranged on the outer wall of the ultracrystalline iron core (9), a winding group A (7) and a winding group B (10) are respectively wrapped on the two sides of the outer side walls of the ultracrystalline iron core (9) and the high-temperature-resistant shell (8), inner shells (6) are respectively arranged on the outer sides of the high-temperature-resistant shell (8) and the inner sides of the ultracrystalline iron core (9), a buffer plate (5) is arranged on the outer side of the inner shell (6), an isolation layer (4) is arranged on the outer wall of the current transformer outer shell (3), a binding post A (11) and a binding post B (12) are respectively arranged on the two sides of the bottom of the front end, the other ends of the wiring terminal A (11) and the wiring terminal B (12) penetrate through the current transformer shell (3) to be connected with the winding group A (7) and the winding group B (10), and the wiring terminal A (11) and the wiring terminal B (12) are formed by combining an outer fixing plate (13), an outer fastening plate (14), an outer connector lug (15), a wiring tube (16), an inner fixing plate (17), an inner fastening plate (18), an external thread A (19), an inner connector lug (20), an external thread B (21), a threaded hole A (22) and a threaded hole B (23).

2. The current transformer device of an ultra-microcrystalline iron core as set forth in claim 1, wherein: the current transformer is characterized in that mounting plates (2) are arranged on two sides of the outer wall of the bottom of the current transformer shell (3), the mounting plates (2) are symmetrically distributed, and the mounting plates (2) are mounted on the base (1) through fixing bolts.

3. The current transformer device of an ultra-microcrystalline iron core as set forth in claim 1, wherein: an outer connector lug (15) is arranged at the center of the upper surface of the outer fixing plate (13), and the top end of the outer connector lug (15) penetrates through a threaded hole A (22) in the top end face of the outer fastening plate (14).

4. The current transformer device of an ultra-microcrystalline iron core as set forth in claim 1, wherein: the outer wall of the top end of the outer connector lug (15) is provided with an external thread B (21), the threaded hole A (22) is located at the top center of the outer fastening plate (14), the external thread B (21) is meshed with an internal thread in the hole wall of the threaded hole A (22) and is connected with the internal fixing plate (17) through a connecting wire tube (16) at the bottom of the outer fixing plate (13).

5. The current transformer device of an ultra-microcrystalline iron core as set forth in claim 1, wherein: an inner connector lug (20) is arranged at the center of the lower surface of the inner fixing plate (17), and the bottom end of the inner connector lug (20) penetrates through a threaded hole B (23) in the end face of the bottom of the inner fastening plate (18).

6. The current transformer device of an ultra-microcrystalline iron core as set forth in claim 1, wherein: the bottom outer wall of the inner connector lug (20) is provided with an external thread A (19), a threaded hole B (23) is located at the bottom center of the inner fastening plate (18), and the external thread A (19) is meshed with an internal thread in the hole wall of the threaded hole B (23) in a threaded manner.