CN218351267U - Core for optical combined mutual inductor - Google Patents
Core for optical combined mutual inductor Download PDFInfo
- Publication number
- CN218351267U CN218351267U CN202222203527.7U CN202222203527U CN218351267U CN 218351267 U CN218351267 U CN 218351267U CN 202222203527 U CN202222203527 U CN 202222203527U CN 218351267 U CN218351267 U CN 218351267U
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- metal insert
- optical fiber
- core body
- epoxy
- cylindrical
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Abstract
The utility model discloses an optical combined transformer core, which comprises a metal insert and an epoxy core, wherein the epoxy core is of a cylindrical structure as a whole, the middle of the metal insert is cylindrical, the lower end of the metal insert is spherical, and the top end of the metal insert is provided with a thread; the cylindrical and spherical parts of the metal insert are embedded in the epoxy core body, and the top end of the metal insert is connected with external equipment through threads; and an optical fiber spiral groove is processed on the outer side surface of the epoxy core body, and the optical fiber is embedded in the optical fiber spiral groove. The utility model discloses have the function of integrating optics current transformer and voltage transformer as an organic whole, can integrate according to the complicated application condition on scene, its light in weight, simple structure, simple to operate, easy operation, non-maintaining is a safe and reliable, energy-concerving and environment-protective product, has very strong application and compatibility, respond well.
Description
Technical Field
The utility model relates to an optics combination formula core for mutual inductor belongs to high voltage direct current power transmission and transformation insulator field.
Background
With the increasing development of high-voltage power transmission and transformation technology in China, the requirements and the types of high-voltage direct-current power transmission and transformation equipment are gradually increased. The combined mutual inductor in the prior art is generally SF6 gas insulation, is influenced by materials, production process and other technologies, can not integrate the supporting epoxy tube used by the current mutual inductor and the induction conductor used by the voltage mutual inductor, has larger manufacturing volume in order to meet the requirements of insulation performance and mechanical strength, and wastes time and labor in operation and maintenance.
Disclosure of Invention
The utility model aims to solve the technical problem that to the defect that prior art exists, provide an optics combination formula core for mutual inductor, be in the same place voltage transformer is with the induction conductor and the core integration.
In order to solve the technical problem, the utility model provides an optical combined type core body for an inductor, which comprises a metal insert and an epoxy core body, wherein the epoxy core body is of a cylindrical structure as a whole, the middle of the metal insert is cylindrical, the lower end of the metal insert is spherical, and the top end of the metal insert is provided with a thread; the cylindrical and spherical parts of the metal insert are embedded in the epoxy core body, and the top end of the metal insert is connected with external equipment through threads; and an optical fiber spiral groove is processed on the outer side surface of the epoxy core body, and the optical fiber is embedded in the optical fiber spiral groove.
The metal insert is integrally machined from metal.
The epoxy core body is poured by integral epoxy resin, and the width and the depth of the optical fiber spiral groove can be adjusted according to the type and the model of the pre-buried optical fiber.
The metal insert and the epoxy core body are integrally cast into a whole.
Has the advantages that: the utility model discloses have the function of integrating optics current transformer and voltage transformer as an organic whole, can integrate according to the complicated application condition on scene, its light in weight, simple structure, simple to operate, easy operation, non-maintaining is a safe and reliable, energy-concerving and environment-protective product, has very strong application and compatibility, respond well.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural section of the present invention;
fig. 3 is a schematic structural view of the metal insert of the present invention;
fig. 4 is a schematic structural diagram of the epoxy core of the present invention.
In the figure: 1. a metal insert; 11. a thread; 2. an epoxy core; 21. optical fiber spiral grooves.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
As shown in fig. 1-4, the utility model provides a core body for a photoelectric combined mutual inductor, which comprises a metal insert 1 and an epoxy core body 2, wherein the epoxy core body 2 is of a cylindrical structure as a whole, the middle of the metal insert 1 is cylindrical, the lower end is spherical, and the top end is provided with a thread 11; the cylindrical and spherical parts of the metal insert 1 are embedded in the epoxy core body 2, and the top end threads 11 of the metal insert are connected with external equipment; the outer side surface of the epoxy core body 2 is provided with an optical fiber spiral groove 21, and the optical fiber is embedded in the optical fiber spiral groove 21.
The metal insert 1 is made of metal through integral processing, and is not limited to aluminum alloy, copper alloy, red copper and other metal materials.
The epoxy core body 2 is poured by integral epoxy resin, and the width and the depth of the optical fiber spiral groove 21 can be adjusted according to the type and the model of the pre-buried optical fiber.
The metal insert 1 and the epoxy core body 2 are integrally cast into a whole.
The product is applied to an optical combined transformer, can meet the requirements of support and insulation, meets the use requirement of a voltage transformer through the metal insert, and meets the use requirement of an optical current transformer through embedding optical fibers in the optical fiber spiral groove.
The utility model discloses have the function of integrating optics current transformer and voltage transformer as an organic whole, can integrate according to the complicated application condition on scene, its light in weight, simple structure, simple to operate, easy operation are a safe and reliable, energy-concerving and environment-protective product, have very strong application and compatibility, respond well.
The above embodiments of the present invention are only examples, not only, and all changes within the scope of the present invention or the same range of the present invention are all encompassed by the present invention.
Claims (4)
1. A core body for an optical combined mutual inductor is characterized in that: the metal insert comprises a metal insert (1) and an epoxy core body (2), wherein the epoxy core body (2) is integrally of a cylindrical structure, the middle of the metal insert (1) is cylindrical, the lower end of the metal insert is spherical, and the top end of the metal insert is provided with a thread (11); the cylindrical and spherical parts of the metal insert (1) are embedded in the epoxy core body (2), and the top end threads (11) of the metal insert are connected with external equipment; the outer side surface of the epoxy core body (2) is processed with an optical fiber spiral groove (21), and the optical fiber is embedded in the optical fiber spiral groove (21).
2. The core for an optical combined transformer as claimed in claim 1, wherein: the metal insert (1) is integrally processed from metal.
3. The core for an optical combined mutual inductor according to claim 1, wherein: the epoxy core body (2) is poured by integral epoxy resin, and the width and the depth of the optical fiber spiral groove (21) can be adjusted according to the type and the model of the pre-buried optical fiber.
4. A core for an optical combined transformer as claimed in claim 1, 2 or 3, wherein: the metal insert (1) and the epoxy core body (2) are integrally cast into a whole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222203527.7U CN218351267U (en) | 2022-08-22 | 2022-08-22 | Core for optical combined mutual inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222203527.7U CN218351267U (en) | 2022-08-22 | 2022-08-22 | Core for optical combined mutual inductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218351267U true CN218351267U (en) | 2023-01-20 |
Family
ID=84916018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222203527.7U Active CN218351267U (en) | 2022-08-22 | 2022-08-22 | Core for optical combined mutual inductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218351267U (en) |
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2022
- 2022-08-22 CN CN202222203527.7U patent/CN218351267U/en active Active
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