CN211319922U - High-frequency current transformer - Google Patents
High-frequency current transformer Download PDFInfo
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- CN211319922U CN211319922U CN201921655142.6U CN201921655142U CN211319922U CN 211319922 U CN211319922 U CN 211319922U CN 201921655142 U CN201921655142 U CN 201921655142U CN 211319922 U CN211319922 U CN 211319922U
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- frequency current
- current transformer
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- metal cavity
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Abstract
The utility model relates to a high-frequency current transformer, the shell of which is an annular outer metal cavity consisting of two semicircular shells, a magnetic core material is arranged in the annular outer metal cavity, and a signal transmission line is arranged in the annular outer metal cavity; the whole annular outer metal cavity is made of aluminum alloy, one ends of the two semicircular shells are of rotating shaft structures, and the other ends of the two semicircular shells are fixed by bolts or bayonets; a magnetic field passage is reserved in the ring of the annular outer metal cavity, and the passage can be closed by glue. The high-frequency current transformer adopts a half (half) structure, adopts an aluminum alloy shell as a whole, and has a firm structure; a magnetic field path is reserved in the inner side of the ring, and the magnetic core material is arranged in the aluminum alloy cavity, so that the magnetic core material is ensured not to receive external interference and only can receive high-frequency current signals passing through the middle of the mutual inductor.
Description
Technical Field
The utility model relates to a mutual-inductor, concretely relates to high frequency current transformer.
Background
The current transformer adopts an annular design, a middle through hole is formed in the current transformer, a primary winding is connected in series in a power line, the line current is used as the primary current of the transformer, and a secondary winding is connected with an external measuring instrument or a relay protection device, an automatic control device and the like. When the line current of the primary winding changes, the secondary current also changes correspondingly and is transmitted to an external measuring instrument or a relay protection device and an automatic control device.
Among the prior art, chinese utility model patent with publication number CN202421415 provides a high frequency transformer, including casing and iron circle, be equipped with the iron circle in the casing, but connect open closed clamp body with elastic hinge between two casings, casing one side is equipped with the circuit box body. The high-frequency transformer is simple in structure, but the high-frequency current transformer is used for measuring and protecting the current and the electric energy of high-voltage electrical equipment and cable line power supply equipment, has the characteristics of small size, light weight and convenience in installation, and therefore the high-frequency transformer in the prior art needs to be designed and improved.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a high-frequency current transformer with a novel structure, which adopts a half (half) structure, adopts an aluminum alloy shell as a whole and has a firm structure; a magnetic field path is reserved in the inner side of the ring, and the magnetic core material is arranged in the aluminum alloy cavity, so that the magnetic core material is ensured not to receive external interference and only can receive high-frequency current signals passing through the middle of the mutual inductor.
In order to achieve the above purpose, the present invention adopts the following technical solution.
The utility model discloses a high-frequency current transformer, which comprises a shell; the shell is an annular outer metal cavity consisting of two semicircular shells, and a magnetic core material is arranged in the annular outer metal cavity and is provided with a signal transmission line.
Preferably, the whole annular outer metal cavity is made of aluminum alloy.
In any of the above technical solutions, preferably, the annular outer metal cavity has a rotating shaft structure at one end of each of the two semicircular shells and is fixed at the other end by a bolt.
In any of the above technical solutions, preferably, the annular outer metal cavity has a rotating shaft structure at one end of each of the two semicircular shells, and the other end of each of the two semicircular shells is fixed by a bayonet.
In any of the above technical solutions, preferably, the inner ring of the annular outer metal cavity is a magnetic field path.
In any of the above technical solutions, preferably, the annular outer metal cavity is modified in a manner of sealing with glue so that a magnetic field path is left in the inner ring.
In any of the above technical solutions, preferably, the annular outer metal cavity is provided with an outlet, and the outlet is configured with a sheath structure.
In any of the above technical solutions, preferably, the magnetic core material disposed in the annular outer metal cavity is a high-frequency magnetic core material.
In any one of the above aspects, it is preferable that the high-frequency core material includes a nickel-zinc-ferrite material.
In any of the above aspects, it is preferable that the high-frequency magnetic core material includes an amorphous magnetic core material.
In any of the above technical solutions, preferably, the signal transmission line adopts a BNC interface output switching transmission line.
In any of the above technical solutions, preferably, the signal transmission line adopts a structure in which a signal line is directly led out.
Compared with the prior art, the above technical scheme of the utility model following beneficial effect has:
the utility model discloses a high frequency current transformer adopts half (half) structure, and the shell is the cyclic annular outer metal cavity of compriseing two semicircle casings, and cyclic annular outer metal cavity embeds the magnetic core material to be provided with signal transmission line.
The utility model discloses a high frequency current transformer, the whole preparation that adopts aluminum alloy material of shell, the pivot structure is adopted to two semicircular shell's one end, and the other end adopts the bolt fastening or adopts the bayonet socket fixed, conveniently opens and shuts.
The utility model discloses a high frequency current transformer leaves the magnetic field route in the cyclic annular outer metal cavity's the intra-annular, can adopt glue to seal and change the route.
The utility model discloses a high frequency current transformer wholly adopts aluminum alloy housing, sound construction, and the magnetic field route is left to the intra-annular survey, places the aluminum alloy cavity the inside in the magnetic core material, has guaranteed like this that the magnetic core material can not receive outside interference, can only receive the high frequency current signal through in the middle of the mutual-inductor.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a top view of a preferred embodiment of a high frequency current transformer according to the present invention;
fig. 2 is a front view of the embodiment of fig. 1 of a high-frequency current transformer according to the present invention;
fig. 3 is a side view of the embodiment of fig. 1 of a high frequency current transformer in accordance with the present invention;
fig. 4 is a perspective view of the embodiment of the high-frequency current transformer shown in fig. 1 according to the present invention.
Reference numerals: 1. bolt, 2, pivot, 3, magnetic field route, 4, sheath.
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 order to overcome the technical defect that high frequency current transformer exists among the prior art, the embodiment of the utility model provides a high frequency current transformer of novel structure, sound construction, the cyclic annular shell of outer metal, the interior survey of ring leaves the magnetic field route, places the aluminum alloy cavity the inside in the magnetic core material in, has guaranteed that the magnetic core material can not receive outside interference, can only receive the high frequency current signal in the middle of passing through the mutual-inductor.
The high-frequency current transformer described in this embodiment includes a housing, as shown in fig. 1 to 4, the housing is an annular outer metal cavity composed of two semicircular shells, and a magnetic core material is disposed in the annular outer metal cavity and provided with a signal transmission line.
As shown in fig. 1 to 4, the high-frequency current transformer according to the present embodiment has an annular outer metal cavity, and the whole body is made of an aluminum alloy.
In the high-frequency current transformer of this embodiment, as shown in fig. 1 to 4, the annular outer metal cavity has a structure of a rotating shaft 2 at one end of each of the two semicircular shells, and the other end of each of the two semicircular shells is fixed by a bolt 1.
As shown in fig. 1 to 4, an inner ring of the annular outer metal cavity is a magnetic field path 3 in the high-frequency current transformer according to this embodiment.
As shown in fig. 1 to 4, in the high-frequency current transformer according to this embodiment, the annular outer metal cavity may be modified in a manner of sealing with glue such that a magnetic field path is left in the inner ring.
In the high-frequency current transformer described in this embodiment, the annular outer metal cavity is provided with an outlet, and as shown in fig. 1 to 4, the outlet is configured with a sheath 4 structure.
In the high-frequency current transformer of this embodiment, the magnetic core material disposed in the annular outer metal cavity is a high-frequency magnetic core material.
In the high-frequency current transformer of this embodiment, the high-frequency core material may be a nickel-zinc ferrite material.
In the high-frequency current transformer of this embodiment, the high-frequency magnetic core material may also be an amorphous magnetic core material.
In the high-frequency current transformer described in this embodiment, the signal transmission line adopts a BNC interface output switching transmission line. The BNC interface is arranged on the annular outer metal cavity, penetrates through the cavity, has one end connected with the built-in magnetic core material and has one end extending out of the cavity for the signal transmission line output switching transmission line.
In the high-frequency current transformer, the signal transmission line adopts a structure of directly leading out a signal line.
In the specific implementation, one end of the two semicircular shells of the annular outer metal cavity of the high-frequency current transformer adopts a rotating shaft structure, and the other end of the annular outer metal cavity can be fixed by a bayonet.
The structural principle, implementation process and characteristics of the present embodiment are further described with reference to fig. 1 to 4:
the high-frequency current transformer of this embodiment, structural design adopts haver (half) structure, and the pivot design is adopted to one end, and one end adopts the bolt fastening or adopts the buckle fixed, wholly adopts aluminum alloy housing sound construction. A magnetic field passage is reserved on the inner side of the ring, and the magnetic core material is arranged in the aluminum alloy cavity. Therefore, the magnetic core material can not receive external interference, and only can receive high-frequency current signals passing through the middle of the transformer. The outer metal cavity is internally provided with magnetic core materials, and is provided with a signal transmission line, so that the structure is simple. The outer metal cavity can be made of metal materials, and the typical preparation material is aluminum alloy materials.
In the high-frequency current transformer, the inner ring is provided with a magnetic field passage, and the passage can be changed by adopting glue sealing.
In the high-frequency current transformer of the embodiment, a sheath is arranged on the wire outlet of the outer metal cavity. The outgoing line can be effectively prevented from being broken.
In the high-frequency current transformer of the present embodiment, the built-in core is made of a high-frequency core material, typically nickel-zinc ferrite, an amorphous core material, or the like.
In the high-frequency current transformer of this embodiment, the signal transmission line adopts a BNC interface output switching transmission line, or a signal line direct lead-out design may be adopted.
The high-frequency current transformer of the embodiment has the characteristics of small volume, light weight, convenience in installation and interference prevention.
The above description is only intended to describe the preferred embodiments of the present invention, and not to limit the scope of the present invention; the above description is only a specific embodiment of the present invention, and is not intended to limit the scope of the present invention; without departing from the spirit of the present invention, any modification, equivalent replacement, or improvement made by the technical solution of the present invention by those of ordinary skill in the art should fall within the protection scope defined by the claims of the present invention.
Claims (12)
1. A high-frequency current transformer, comprising a housing, characterized in that: the shell is an annular outer metal cavity consisting of two semicircular shells, and a magnetic core material is arranged in the annular outer metal cavity and is provided with a signal transmission line.
2. The high-frequency current transformer according to claim 1, characterized in that: the whole annular outer metal cavity is made of aluminum alloy.
3. The high-frequency current transformer according to claim 2, characterized in that: one end of each of the two semicircular shells of the annular outer metal cavity is of a rotating shaft structure, and the other end of each of the two semicircular shells is fixed by a bolt.
4. The high-frequency current transformer according to claim 2, characterized in that: one end of each of the two semicircular shells of the annular outer metal cavity is of a rotating shaft structure, and the other end of each of the two semicircular shells is fixed by a bayonet.
5. The high-frequency current transformer according to claim 2, characterized in that: the inner ring of the annular outer metal cavity is a magnetic field passage.
6. The high-frequency current transformer according to claim 5, characterized in that: the annular outer metal cavity is modified in a glue sealing mode, and a magnetic field passage is reserved in the inner ring.
7. The high-frequency current transformer according to claim 6, characterized in that: the annular outer metal cavity is provided with a wire outlet, and the wire outlet is provided with a sheath structure.
8. The high-frequency current transformer according to claim 7, characterized in that: the magnetic core material arranged in the annular outer metal cavity is a high-frequency magnetic core material.
9. The high-frequency current transformer according to claim 8, characterized in that: the high-frequency core material includes a nickel-zinc ferrite material.
10. The high-frequency current transformer according to claim 8, characterized in that: the high-frequency magnetic core material includes an amorphous magnetic core material.
11. The high-frequency current transformer according to claim 1, characterized in that: the signal transmission line adopts a BNC interface output switching transmission line.
12. The high-frequency current transformer according to claim 1, characterized in that: the signal transmission line adopts a signal line direct leading-out structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921655142.6U CN211319922U (en) | 2019-09-30 | 2019-09-30 | High-frequency current transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921655142.6U CN211319922U (en) | 2019-09-30 | 2019-09-30 | High-frequency current transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211319922U true CN211319922U (en) | 2020-08-21 |
Family
ID=72081768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921655142.6U Active CN211319922U (en) | 2019-09-30 | 2019-09-30 | High-frequency current transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211319922U (en) |
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2019
- 2019-09-30 CN CN201921655142.6U patent/CN211319922U/en active Active
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