CN112927906A - Filament transformer and high-voltage generator - Google Patents
Filament transformer and high-voltage generator Download PDFInfo
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- CN112927906A CN112927906A CN202110109189.8A CN202110109189A CN112927906A CN 112927906 A CN112927906 A CN 112927906A CN 202110109189 A CN202110109189 A CN 202110109189A CN 112927906 A CN112927906 A CN 112927906A
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- 238000004804 winding Methods 0.000 claims abstract description 204
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000011810 insulating material Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 10
- 238000000034 method Methods 0.000 description 8
- 238000009413 insulation Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
- H01F27/306—Fastening or mounting coils or windings on core, casing or other support
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/32—Insulating of coils, windings, or parts thereof
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Coils Of Transformers For General Uses (AREA)
Abstract
The application provides a filament transformer and high voltage generator, the filament transformer includes magnetic core, first winding subassembly and second winding subassembly, the magnetic core is two C type iron cores and connects the magnetic core that forms "mouthful" style of calligraphy, first winding subassembly includes first winding skeleton and first winding solenoid, the second winding subassembly includes second winding skeleton and second winding solenoid; the first winding skeleton is sleeved outside one side of the joint of the two C-shaped iron cores, the first winding coil is wound on the winding post of the first winding skeleton, the first winding skeleton and the outer side of the first winding coil are sleeved with the second winding skeleton, and the second winding coil is wound on the winding post of the second winding skeleton. The insulating effect between the first winding assembly and the second winding assembly can be improved.
Description
Technical Field
The present application relates to the field of transformer technology, and more particularly, to a filament transformer and a high voltage generator.
Background
The filament transformer is mainly applied to an X-ray high-voltage generator and provides a power supply for an X-ray bulb tube. The existing filament transformer consists of a primary winding, a secondary winding and 2C-shaped magnetic cores, and the manufacturing process of the filament transformer winding mainly comprises the steps of winding the winding by a simple framework, then winding and wrapping an insulating material, so that the winding is easy to loose, and the insulating effect of the winding in the manufactured filament transformer is poor.
Disclosure of Invention
The embodiment of the application provides a filament transformer and a high-voltage generator to solve the problem that the insulation effect of a winding in the filament transformer is poor.
In a first aspect, an embodiment of the present application provides a filament transformer, including a magnetic core, a first winding assembly and a second winding assembly, where the magnetic core is formed by connecting two C-shaped iron cores in a square shape, the first winding assembly includes a first winding skeleton and a first winding coil, and the second winding assembly includes a second winding skeleton and a second winding coil;
the first winding skeleton is sleeved outside one side of the joint of the two C-shaped iron cores, the first winding coil is wound on the winding post of the first winding skeleton, the first winding skeleton and the outer side of the first winding coil are sleeved with the second winding skeleton, and the second winding coil is wound on the winding post of the second winding skeleton.
In a second aspect, an embodiment of the present application further provides a high voltage generator, where the high voltage generator includes the filament transformer disclosed in the first aspect of the embodiment of the present application.
Like this, in the embodiment of this application, through one side overcoat of two C type iron core junctions has first winding skeleton, the winding has on the wrapping post of first winding skeleton first winding solenoid, first winding skeleton with the outside cover of first winding solenoid has second winding skeleton, the winding has on the wrapping post of second winding skeleton second winding solenoid can realize filament transformer's vary voltage function, and through the hollow structure parcel of second winding skeleton first winding skeleton with first winding solenoid can realize improving first winding subassembly with the technological effect of insulating effect between the second winding subassembly.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is an exploded view of a filament transformer provided in an embodiment of the present application;
fig. 2 is a schematic structural diagram of a filament transformer provided in an embodiment of the present application;
fig. 3 is a top view of a filament transformer provided in an embodiment of the present application;
fig. 4 is a cross-sectional view of a filament transformer provided in an embodiment of the present application;
fig. 5 is a left side view of a filament transformer provided in an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Referring to fig. 1, fig. 1 is an exploded view of a filament transformer according to an embodiment of the present disclosure, and as shown in fig. 1, the filament transformer includes a magnetic core 10, a first winding assembly 20 and a second winding assembly 30, where the magnetic core 10 is a magnetic core formed by connecting two C-shaped iron cores, the first winding assembly 20 includes a first winding bobbin 21 and a first winding coil 22, and the second winding assembly 30 includes a second winding bobbin 31 and a second winding coil 32;
one side overcoat of two C type iron core junctions has first winding skeleton 21, the winding has on the wrapping post of first winding skeleton 21 first winding solenoid 22, first winding skeleton 21 with the outside cover of first winding solenoid 22 has second winding skeleton 31, the winding has on the wrapping post of second winding skeleton 31 second winding solenoid 32.
Wherein, above-mentioned first winding skeleton 21 and above-mentioned third winding skeleton 31 can be hollow structure, and the hollow structure of above-mentioned first winding skeleton 21 is used for wrapping up above-mentioned magnetic core 10, and the hollow structure of above-mentioned third winding skeleton 31 is used for wrapping up above-mentioned first winding skeleton 21 and above-mentioned first winding solenoid 22. The hollow structures of the first winding bobbin 21 and the third winding bobbin 31 may be both cylinders, and since the first winding assembly 20 may be a primary winding of a filament transformer, a pressure difference between the first winding assembly 20 and the magnetic core 10 is within a safe range, and the second winding assembly 30, which is a secondary winding, is wrapped outside the first winding assembly 20, it is possible to prevent a high-voltage spike effect from being generated due to an excessively large pressure difference between the second winding assembly 30 and the magnetic core 10.
The second winding bobbin 31 may wrap both the first winding bobbin 21 and the first winding coil 22, and thus, the winding post of the second winding bobbin 31 may serve as an insulating layer between the second winding coil 32 and the first winding coil 22.
In the embodiment of the application, through one side overcoat of two C type iron core junctions has first winding skeleton 21, the winding has on the wrapping post of first winding skeleton 21 first winding solenoid 22, first winding skeleton 21 with the outside cover of first winding solenoid 22 has second winding skeleton 31, the winding has on the wrapping post of second winding skeleton 31 second winding solenoid 32 can realize filament transformer's vary voltage function, and through the hollow structure parcel of second winding skeleton 31 first winding skeleton 21 with first winding solenoid 22 can realize improving first winding subassembly 20 with the technological effect of insulating effect between the second winding subassembly 30.
In addition, first winding skeleton 21 with the outside cover of first winding solenoid 22 has second winding skeleton 31, through first winding skeleton 21 is regarded as first winding subassembly 20 with insulating layer between the second winding subassembly 30 can avoid first winding subassembly 20 with wrap up insulating material respectively outside the second winding subassembly 30, thereby reduce filament transformer's volume.
Optionally, the first winding frame 21 and the second winding frame 31 are both made of insulating materials.
In this embodiment, the first winding bobbin 21 and the second winding bobbin 31 are made of insulating materials, the first winding bobbin 21 can serve as an insulating layer between the first winding coil 22 and the magnetic core 10, and the second winding bobbin 31 can serve as an insulating layer between the second winding coil 32 and the first winding coil 22, so that the performance of the filament transformer is improved.
Optionally, as shown in fig. 2, both ends of the first winding frame 21 each include a hollow cylinder, the hollow cylinder is provided with a plurality of gaps, and the plurality of gaps extend from the upper surface of the hollow cylinder to the lower surface of the hollow cylinder.
Wherein, the plurality of gaps can be symmetrically arranged around the center of the hollow cylinder, for example: as shown in fig. 3, taking the example that four notches are formed in the hollow cylinder at one end of the first winding frame 21, the four notches are uniformly distributed on the hollow cylinder, and four notches may be formed in the hollow cylinder at the other end of the first winding frame 21.
In this embodiment, since the hollow cylinder is provided with a plurality of gaps extending from the upper surface of the hollow cylinder to the lower surface of the hollow cylinder, the flowing space of the insulating oil can be increased, thereby enhancing the insulating effect between the first winding assembly 20 and the second winding assembly 30.
Optionally, as shown in fig. 2, the second winding frame 31 is provided with a hollow structure, the hollow structure is a cylinder, and the size of the cylinder is matched with the size of the first winding frame.
The hollow structure of the second winding frame 31 may be used for placing the first winding frame 21 and the first winding coil 22, for example: as shown in fig. 2, the outer edges of the hollow cylinders at the two ends of the first winding frame 21 may contact the edges of the hollow structure of the second winding frame 31, so that the hollow cylinders at the two ends of the first winding frame 21, the winding post of the first winding frame 21, and the hollow cylinders at the two ends of the second winding frame 31 may cooperate as an insulating layer between the first winding package 22 and the second winding package 32.
In this embodiment, the second winding frame 31 is provided with a hollow structure, the hollow structure is a cylinder, and the size of the cylinder is matched with the size of the first winding frame, so that the insulation effect between the first winding coil 22 and the second winding coil 32 can be improved.
Optionally, as shown in fig. 4, both ends of the second winding skeleton include a first hollow cylinder and a second hollow cylinder, an outer circle diameter of the first hollow cylinder is greater than an outer circle diameter of the second hollow cylinder, and a gap is provided between the first hollow cylinder and the second hollow cylinder.
Wherein, the second winding skeleton can be integrated into one piece, for example: the hollow cylinders at both ends of the second winding frame 31 may serve as a barrier for the winding posts, so that the second winding packages 32 may be uniformly wound on the winding posts, and the hollow cylinders may also serve as an insulating layer between the second winding packages 32 and the first winding packages 22. As shown in fig. 4, the first hollow cylinder and the second hollow cylinder at one end of the second bobbin 31 may serve as two insulating layers, and a gap provided between the first hollow cylinder and the second hollow cylinder may improve fluidity of the insulating oil.
The second hollow cylinder may be used as a baffle of the winding post of the second winding frame 31, for example: as shown in fig. 4, the second hollow cylinder is a hollow cylinder close to the second winding coil 32, and may be used as a baffle for the second winding coil 32 to be wound on the winding post of the second winding frame 31, and may also be used as an insulating layer at two ends of the second winding frame 31, and the outer diameter of the first hollow cylinder is larger than that of the second hollow cylinder, and may be used as an insulating layer at the outermost edge of two ends of the second winding frame 31.
In this embodiment, through both ends of second winding skeleton 31 all include first hollow cylinder and second hollow cylinder, first hollow cylinder's excircle diameter is greater than second hollow cylinder's excircle diameter, and above-mentioned first hollow cylinder all can regard as above-mentioned second winding skeleton 31's insulating layer with above-mentioned second hollow cylinder, just first hollow cylinder with be provided with the space between the second hollow cylinder, can further improve second winding skeleton 31's insulating properties.
Optionally, as shown in fig. 2, two opposite first cut surfaces are arranged on the side surface of the first hollow cylinder, two opposite second cut surfaces are arranged on the side surface of the second hollow cylinder, and the first cut surface and the second cut surface on the same side are located on the same plane.
The distance from the same plane where the first cut surface and the second cut surface are located to the second winding frame 31 may be greater than the thickness of the second winding coil 32, so that it is possible to prevent the first hollow cylinder and the second hollow cylinder from being unable to be used as a wire retaining plate for winding the second winding coil 32 around the second winding frame 31.
Wherein, the section that the side of the aforesaid first hollow cylinder and the aforesaid second hollow cylinder set up respectively can be the rectangle, for example: as shown in fig. 5, by providing two opposing first cut surfaces perpendicular to the bottom surface of the first hollow cylinder, the two first cut surfaces can form two opposing rectangles, and two opposing rectangles can be similarly provided in the second hollow cylinder. In addition, since the size of the first hollow cylinder is different from the size of the second hollow cylinder, the area of the rectangle formed by the first section is different from the area of the rectangle formed by the second section.
In this embodiment, two opposite first tangent planes are arranged on the side surface of the first hollow cylinder, two opposite second tangent planes are arranged on the side surface of the second hollow cylinder, and the first tangent plane and the second tangent plane which are on the same side are located on the same plane, so that the volume of the filament transformer can be reduced on the basis of not influencing the performance of the filament transformer, and the filament transformer is easier to assemble.
The embodiment of the application further provides a high voltage generator, which comprises the filament transformer.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Further, it should be noted that the scope of the methods and apparatus of the embodiments of the present application is not limited to performing the functions in the order illustrated or discussed, but may include performing the functions in a substantially simultaneous manner or in a reverse order based on the functions involved, e.g., the methods described may be performed in an order different than that described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.
While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. A filament transformer comprises a magnetic core, a first winding assembly and a second winding assembly, and is characterized in that the magnetic core is formed by connecting two C-shaped iron cores to form a square magnetic core, the first winding assembly comprises a first winding framework and a first winding coil, and the second winding assembly comprises a second winding framework and a second winding coil;
the first winding skeleton is sleeved outside one side of the joint of the two C-shaped iron cores, the first winding coil is wound on the winding post of the first winding skeleton, the first winding skeleton and the outer side of the first winding coil are sleeved with the second winding skeleton, and the second winding coil is wound on the winding post of the second winding skeleton.
2. The filament transformer of claim 1, wherein both ends of the first winding former comprise a hollow cylinder, the hollow cylinder being provided with a plurality of gaps, each gap extending from an upper surface of the hollow cylinder to a lower surface of the hollow cylinder.
3. The filament transformer of claim 1, wherein the second winding former is provided with a hollow structure, the hollow structure is a cylinder, and the size of the cylinder is matched with that of the first winding former.
4. The filament transformer of claim 3, wherein both ends of the second winding former comprise a first hollow cylinder and a second hollow cylinder, an outer diameter of the first hollow cylinder is larger than an outer diameter of the second hollow cylinder, and a gap is provided between the first hollow cylinder and the second hollow cylinder.
5. The filament transformer of claim 4, wherein the first hollow cylinder has two opposing first cut surfaces on its side surface, the second hollow cylinder has two opposing second cut surfaces on its side surface, and the first cut surface and the second cut surface on the same side are located on the same plane.
6. The filament transformer according to any of claims 1 to 5, wherein the first winding former and the second winding former are both insulating materials.
7. A high voltage generator, characterized in that it comprises a filament transformer according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110109189.8A CN112927906A (en) | 2021-01-27 | 2021-01-27 | Filament transformer and high-voltage generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110109189.8A CN112927906A (en) | 2021-01-27 | 2021-01-27 | Filament transformer and high-voltage generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112927906A true CN112927906A (en) | 2021-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110109189.8A Pending CN112927906A (en) | 2021-01-27 | 2021-01-27 | Filament transformer and high-voltage generator |
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| CN (1) | CN112927906A (en) |
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| CN210865866U (en) * | 2019-12-31 | 2020-06-26 | 泉州恒泰晟智能科技有限公司 | Horizontal transformer framework capable of being assembled with closed circuit copper sheets |
| CN111627683A (en) * | 2020-05-07 | 2020-09-04 | 中国科学院电工研究所 | Winding structure of superconducting current-limiting transformer |
| CN211654556U (en) * | 2020-03-18 | 2020-10-09 | 西安思坦仪器股份有限公司 | Anode pulse transformer for neutron generator |
-
2021
- 2021-01-27 CN CN202110109189.8A patent/CN112927906A/en active Pending
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| CN1933059A (en) * | 2005-09-12 | 2007-03-21 | 东京零件工业股份有限公司 | Line filter and its manufacturing method |
| CN202585082U (en) * | 2011-05-12 | 2012-12-05 | 重庆华虹仪表有限公司 | High-insulation level mutual inductor framework |
| TW201349266A (en) * | 2012-05-16 | 2013-12-01 | Delta Electronics Inc | Transformer |
| CN203085334U (en) * | 2013-02-22 | 2013-07-24 | 台达电子工业股份有限公司 | High-voltage transformer structure |
| CN104851571A (en) * | 2014-02-18 | 2015-08-19 | 鸿富锦精密工业(武汉)有限公司 | Transformer combination |
| CN107061839A (en) * | 2016-02-10 | 2017-08-18 | 日本电产东测有限公司 | The solenoid of magnetic valve |
| CN205645459U (en) * | 2016-05-25 | 2016-10-12 | 威海东兴电子有限公司 | Transformer is used to small -size charging |
| CN206134452U (en) * | 2016-09-28 | 2017-04-26 | 东莞市嘉龙海杰电子科技有限公司 | A primary and secondary cover type skeleton texture for on transformer |
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Application publication date: 20210608 |
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