CN210378731U - Internal, middle and external three-shielding transformer - Google Patents
Internal, middle and external three-shielding transformer Download PDFInfo
- Publication number
- CN210378731U CN210378731U CN201921369778.4U CN201921369778U CN210378731U CN 210378731 U CN210378731 U CN 210378731U CN 201921369778 U CN201921369778 U CN 201921369778U CN 210378731 U CN210378731 U CN 210378731U
- Authority
- CN
- China
- Prior art keywords
- shielding cylinder
- iron core
- interval
- round
- primary coil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000012212 insulator Substances 0.000 claims abstract description 14
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract 1
- 238000009413 insulation Methods 0.000 description 8
- 238000002955 isolation Methods 0.000 description 7
- 239000007788 liquid Substances 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000010963 304 stainless steel Substances 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- Regulation Of General Use Transformers (AREA)
Abstract
The utility model relates to an interior three shielding transformers of china and foreign. The transformer comprises a primary coil, a secondary coil and an iron core, and is characterized in that: a U-shaped tube serving as an inner shield is also included. The iron core is an annular iron core, a middle shielding cylinder is sleeved on the transverse part of the U-shaped pipe, a first interval is arranged between the middle shielding cylinder and the transverse part of the U-shaped pipe, and an inner insulator is encapsulated in the first interval. The outer shielding cylinders are arranged outside the middle shielding cylinder, and a second space is formed between the middle shielding cylinders and the outer shielding cylinders. The annular iron core wound with the primary coil is sleeved in the second interval, and an outer insulator is encapsulated in the second interval. The two ends of the middle shielding cylinder are respectively provided with a first round-corner electrode, the two ends of the outer shielding cylinder are respectively provided with a second round-corner electrode, and the first round-corner electrode and the second round-corner electrode at the same end are connected with a radial pipe. The two ends of the primary coil penetrate through a radial tube and then extend out. The U-shaped tube is internally penetrated with a secondary coil, and two ends of the secondary coil respectively extend out of two ends of the U-shaped tube. The transformer has small volume, light weight and convenient maintenance. The method is suitable for the electron accelerator.
Description
Technical Field
The utility model relates to a transformer. In particular to a three-shielding transformer for an electronic accelerator with ultrahigh electrical isolation function.
Background
It is known in the electron accelerator production industry that a transformer for an electron accelerator needs to have an ultra-high electrical isolation function, i.e. the isolation voltage between the primary and secondary stages exceeds the high voltage of the electron accelerator. Therefore, isolation of the primary stage of the transformer is necessary. At present, the electrical isolation methods for the transformer for the electronic accelerator mainly include gas insulation and liquid insulation. Although the electrical isolation of the transformer for the electronic accelerator can be achieved by using gas insulation and liquid insulation, the transformer using gas insulation is large in size, and the transformer using liquid insulation is heavy and troublesome to maintain.
SUMMERY OF THE UTILITY MODEL
The to-be-solved problem of the utility model is to provide an interior three shielding transformers of china and abroad. The transformer has small volume, light weight and convenient maintenance.
The utility model discloses the above-mentioned problem that solves is realized by following technical scheme:
the utility model discloses an interior three shielding transformers of china and abroad include primary, secondary and iron core, and its characteristics are: a U-shaped tube serving as an inner shield is also included. The iron core is an annular iron core, a middle shielding cylinder is sleeved on the transverse part of the U-shaped pipe, a first interval is arranged between the periphery of the inner circle of the middle shielding cylinder and the transverse part of the U-shaped pipe, and an inner insulator is encapsulated in the first interval. An outer shielding cylinder is arranged outside the middle shielding cylinder, and a second distance is reserved between the middle shielding cylinder and the outer shielding cylinder; the primary coil is wound on the annular iron core, the annular iron core wound with the primary coil is sleeved in a second interval outside the middle shielding cylinder and has intervals with the middle shielding cylinder and the outer shielding cylinder, and an outer insulator is encapsulated in the second interval except the annular iron core wound with the primary coil. The two ends of the middle shielding cylinder are respectively provided with a first round-corner electrode, the two ends of the outer shielding cylinder are respectively provided with a second round-corner electrode, and the first round-corner electrode and the second round-corner electrode at the same end are connected with a radial tube used as an equipotential wire. Two ends of the primary coil pass through a radial pipe in an insulating state and then extend out of the radial pipe; the U-shaped pipe is internally penetrated with a lead used as a secondary coil, and the secondary coil: respectively, extend out of the two ends of the U-shaped tube.
The first round-corner electrode is formed by processing both ends of the middle shielding cylinder into circular arcs, and the second round-corner electrode is formed by processing both ends of the outer shielding cylinder into circular arcs.
The inner insulator and the outer insulator are both epoxy resin.
According to the above technical scheme, the utility model discloses a U-shaped pipe adopts the drum of cover on the U-shaped pipe horizontal part as well shielding as interior shielding, adopts the drum of cover outside well shielding as outer shielding to all use the epoxy embedment in the first interval between interior outer shielding and well shielding and the second interval of outer shielding, realized the electrical isolation of transformer. Compared with the gas insulation and liquid insulation adopted in the background technology, the volume of the transformer is reduced, the weight of the transformer is reduced, and the maintenance is very convenient.
Drawings
Fig. 1 is a schematic structural view of an internal, middle and external three-shielded transformer of the present invention.
Detailed Description
As shown in fig. 1, the three-shielded transformer of the present invention includes a primary coil 13, a secondary coil 14, an iron core 12, and a hairpin tube 1 used as an inner shield. The iron core 12 is an annular iron core, the middle shielding cylinder 2 is sleeved on the transverse part of the U-shaped tube 1, a first interval is reserved between the periphery of the inner circle of the middle shielding cylinder 2 and the transverse part of the U-shaped tube 1, and an inner insulator 9 is encapsulated in the first interval. An outer shielding cylinder 5 is arranged outside the middle shielding cylinder 2, and a second distance is reserved between the middle shielding cylinder 2 and the outer shielding cylinder 5. The primary coil 13 is wound on the annular iron core, the annular iron core wound with the primary coil 13 is sleeved in a second interval outside the middle shielding cylinder 2, intervals are reserved between the annular iron core and the middle shielding cylinder and between the annular iron core and the outer shielding cylinder, and the outer insulator 6 is encapsulated in the second interval except the annular iron core 12 wound with the primary coil 13. The two ends of the middle shielding cylinder 2 are respectively provided with a first round-corner electrode 8 integrated with the middle shielding cylinder, the two ends of the outer shielding cylinder 5 are respectively provided with a second round-corner electrode 7 integrated with the outer shielding cylinder, three radial tubes 10 used as equipotential conducting wires 3 are uniformly distributed between the circumferences of the first round-corner electrode and the second round-corner electrode, and the two ends of each radial tube 10 are respectively welded with the first round-corner electrode 8 and the second round-corner electrode 7. The first round-corner electrode 8 is formed by processing both ends of the middle shielding cylinder 2 into circular arcs, and the second round-corner electrode 7 is formed by processing both ends of the outer shielding cylinder 5 into circular arcs. The primary coil 13 has two ends 11 extending in an insulated manner through one of the radial tubes 10. A lead wire serving as a secondary coil 14 penetrates through the U-shaped tube 1, and two ends of the secondary coil 14 respectively extend out of two ends of the U-shaped tubular iron core 1.
In this embodiment, the inner insulator 9 and the outer insulator 6 are both made of epoxy resin.
The U-shaped pipe 1, the radial pipe 10, the middle shielding cylinder 2 and the outer shielding cylinder 5 are all made of stainless steel. Wherein the stainless steel is 304 stainless steel.
Claims (3)
1. Interior outer three shielded transformers of china, including primary coil, secondary coil and iron core, its characterized in that: also includes a U-shaped tube used as an inner shield; the iron core is an annular iron core, a middle shielding cylinder is sleeved on the transverse part of the U-shaped pipe, a first interval is formed between the periphery of the inner circle of the middle shielding cylinder and the transverse part of the U-shaped pipe, and an inner insulator is encapsulated in the first interval; an outer shielding cylinder is arranged outside the middle shielding cylinder, and a second distance is reserved between the middle shielding cylinder and the outer shielding cylinder; the primary coil is wound on the annular iron core, the annular iron core wound with the primary coil is sleeved in a second interval outside the middle shielding cylinder and has intervals with the middle shielding cylinder and the outer shielding cylinder, and an outer insulator is encapsulated in the second interval except the annular iron core wound with the primary coil; the two ends of the middle shielding cylinder are respectively provided with a first rounded electrode, the two ends of the outer shielding cylinder are respectively provided with a second rounded electrode, and a radial pipe used as an equipotential lead is connected between the first rounded electrode and the second rounded electrode at the same end; two ends of the primary coil pass through a radial pipe in an insulating state and then extend out of the radial pipe; the U-shaped tube is internally penetrated with a lead used as a secondary coil, and two ends of the secondary coil respectively extend out of two ends of the U-shaped tube.
2. The internal, middle and external three-shield transformer of claim 1, wherein: the first round-corner electrode 8 is formed by processing both ends of the middle shielding cylinder 2 into circular arcs, and the second round-corner electrode 7 is formed by processing both ends of the outer shielding cylinder 5 into circular arcs.
3. The internal, middle and external three-shield transformer of claim 1, wherein: the inner insulator and the outer insulator are both epoxy resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921369778.4U CN210378731U (en) | 2019-08-23 | 2019-08-23 | Internal, middle and external three-shielding transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921369778.4U CN210378731U (en) | 2019-08-23 | 2019-08-23 | Internal, middle and external three-shielding transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210378731U true CN210378731U (en) | 2020-04-21 |
Family
ID=70252170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921369778.4U Withdrawn - After Issue CN210378731U (en) | 2019-08-23 | 2019-08-23 | Internal, middle and external three-shielding transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210378731U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110517871B (en) * | 2019-08-23 | 2024-06-04 | 无锡爱邦辐射技术有限公司 | Internal middle and external three-shielding transformer |
-
2019
- 2019-08-23 CN CN201921369778.4U patent/CN210378731U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110517871B (en) * | 2019-08-23 | 2024-06-04 | 无锡爱邦辐射技术有限公司 | Internal middle and external three-shielding transformer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200421 Effective date of abandoning: 20240604 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20200421 Effective date of abandoning: 20240604 |