CN110070974A - A kind of high frequency air-core transformer - Google Patents
A kind of high frequency air-core transformer Download PDFInfo
- Publication number
- CN110070974A CN110070974A CN201910336854.XA CN201910336854A CN110070974A CN 110070974 A CN110070974 A CN 110070974A CN 201910336854 A CN201910336854 A CN 201910336854A CN 110070974 A CN110070974 A CN 110070974A
- Authority
- CN
- China
- Prior art keywords
- coil
- high frequency
- primary coil
- frequency air
- core transformer
- 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.)
- Pending
Links
Classifications
-
- 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
- H01F27/006—Details of transformers or inductances, in general with special arrangement or spacing of turns of the winding(s), e.g. to produce desired self-resonance
-
- 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
- H01F27/08—Cooling; Ventilating
- H01F27/10—Liquid cooling
- H01F27/16—Water cooling
-
- 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
-
- 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
- H01F27/2823—Wires
- H01F27/2828—Construction of conductive connections, of leads
-
- 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
- H01F27/2876—Cooling
-
- 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
- H01F27/29—Terminals; Tapping arrangements for signal inductances
-
- 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
- H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
- H01F27/346—Preventing or reducing leakage fields
Abstract
The invention discloses a kind of high frequency air-core transformers, secondary coil and external primary coil including inside outlet, the outer surface of the secondary coil is welded with secondary water cooled copper pipe, the primary coil is provided with primary busbar connector on the outside of the primary coil between two adjacent secondary water cooled copper pipes.The present invention external, secondary coil embedding structure using primary coil, for convenience of primary coil arrangement, secondary coil does not use traditional outer outlet method, but use the interior outlet method of single turn, primary coil is embedded between the setting secondary water cooled copper pipe of the outer surface rule of secondary coil, every neighboring secondary water-cooled copper, the present invention is very tight due to first pole magnetic coupling, high-frequency magnetic leakage is effectively reduced, transfer efficiency is improved.
Description
Technical field
The present invention relates to transformer technology fields, and in particular to a kind of high frequency air-core transformer.
Background technique
Traditional high frequency air-core transformer generallys use barrel-shaped one-turn secondary coil, inside be multiturn primary line
Circle.Since there are serious kelvin effects for high-frequency current, electric current can preferentially circulate along shortest inboard channel, therefore lead to primary and secondary
Magnetic coupling it is very loose, therefore the transformer haves the defects that leakage field is big, low efficiency；Also, the transformer is only applicable to primary electrical
Press the electron tube high frequency electric source of higher (such as 10KV).With universal, the low-voltage, the solid-state of High-current output electricity of solid-state power source
Leakage field is bigger when source uses the transformer, and efficiency is lower, will lead to cabinet and seriously generates heat and high frequency radiation interference.
Summary of the invention
The present invention is directed at least solve one of the problems of the prior art.
It is an object of the invention to propose a kind of high frequency air-core transformer.
The high frequency air-core transformer of embodiment according to the present invention, secondary coil and external primary including inside outlet
Coil, the outer surface of the secondary coil are welded with secondary water cooled copper pipe, and the primary coil is embedded in described in adjacent two
Between secondary water cooled copper pipe, primary busbar connector is provided on the outside of the primary coil.
In addition, high frequency air-core transformer according to the above embodiment of the present invention, can also have following additional technical feature:
According to one embodiment of present invention, the secondary coil uses the interior outlet method of single turn.
According to one embodiment of present invention, the inside of the secondary coil is the secondary output confluence for being provided with water cooling tube
Row.
According to one embodiment of present invention, the primary coil is that multiple single turns are in parallel.
According to one embodiment of present invention, the primary coil is that one or more multiturn coils are in parallel.
According to one embodiment of present invention, the outer surface of the secondary coil is equidistantly welded with the secondary water cooled copper
Pipe.
According to one embodiment of present invention, the adjacent spacing of the secondary water cooled copper pipe is more adjacent than the primary coil
Spacing is big.
According to one embodiment of present invention, the cross section of the secondary water cooled copper pipe is in Ω shape.
According to one embodiment of present invention, the gap between the primary coil and the secondary water cooled copper pipe is
0.5mm-5mm。
Compared with the existing technology, the beneficial effects of the present invention are:
High frequency air-core transformer of the invention external, the secondary coil embedding structure using primary coil, for convenience of primary coil cloth
It sets, secondary coil does not use traditional outer outlet method, but uses the interior outlet method of single turn, in the outer surface of secondary coil
The setting secondary water cooled copper pipe of rule is embedded in primary coil between every neighboring secondary water-cooled copper, and the present invention is due to first pole magnetic coupling
Conjunction is very tight, effectively reduces high-frequency magnetic leakage, improves transfer efficiency.
Detailed description of the invention
The following drawings are only intended to schematically illustrate and explain the present invention, not delimit the scope of the invention.Its
In:
Fig. 1 is a longitudinal cross-section structural schematic diagram of the high frequency air-core transformer of the embodiment of the present invention；
Fig. 2 is another longitudinal cross-section structural schematic diagram of the high frequency air-core transformer of the embodiment of the present invention；
Fig. 3 is the schematic perspective view of the side of the high frequency air-core transformer of the embodiment of the present invention；
Fig. 4 is the schematic perspective view of the other side of the high frequency air-core transformer of the embodiment of the present invention.
In figure: 1- times grade exports busbar connector, 2- primary coil, 3- primary busbar connector, 4- secondary water cooled copper pipe, 5- secondary wire
Circle.
Specific embodiment
With reference to the accompanying drawings and examples, the present invention is further explained.In the following detailed description, only pass through explanation
Mode describes certain exemplary embodiments of the invention.Undoubtedly, those skilled in the art will recognize,
In the case where without departing from the spirit and scope of the present invention, described embodiment can be repaired with a variety of different modes
Just.Therefore, attached drawing and description are regarded as illustrative in nature, and are not intended to limit the scope of the claims.
As shown in Figures 1 to 4, high frequency air-core transformer according to an embodiment of the present invention, the secondary wire including inside outlet
Circle 5 and external primary coil 2, the outer surface of the secondary coil 5 are welded with secondary water cooled copper pipe 4, the primary coil 2
Between two adjacent secondary water cooled copper pipes 4, primary busbar connector 3 is provided on the outside of the primary coil 2.
The high frequency air-core transformer of the embodiment of the present invention external, 5 embedding structure of secondary coil using primary coil 2, for side
Just primary coil 2 is arranged, secondary coil 5 does not use traditional outer outlet method, but uses the interior outlet method of single turn, secondary
The setting secondary water cooled copper pipe 4 of the outer surface rule of grade coil 5, primary coil 2 is embedded between every neighboring secondary water-cooled copper 4,
Invention effectively reduces high-frequency magnetic leakage, improves transfer efficiency since first pole magnetic coupling is very tight.
Further, the secondary coil 5 uses the interior outlet method of single turn.
Further, the inside of the secondary coil 5 is the secondary output busbar connector 1 for being provided with water cooling tube.
Further, the primary coil 2 is that multiple single turns are in parallel.
Further, the primary coil 2 is that one or more multiturn coils are in parallel.
Further, the outer surface of the secondary coil 5 is equidistantly welded with the secondary water cooled copper pipe 4.
Further, the adjacent spacing of the secondary water cooled copper pipe 4 is bigger than the adjacent spacing of the primary coil 2.
Further, the cross section of the secondary water cooled copper pipe 4 is in Ω shape.
Further, the gap between the primary coil 2 and the secondary water cooled copper pipe 4 is 0.5mm--5mm.
Further, the diameter of the secondary water cooled copper pipe 4 is 10mm.
High frequency air-core transformer of the invention external, 5 embedding structure of secondary coil using primary coil 2, for convenience of primary
Coil 2 arranges that secondary coil 5 does not use traditional outer outlet method, but uses the interior outlet method of single turn, in secondary coil
The setting secondary water cooled copper pipe 4 of 5 outer surface rule, is embedded in primary coil 2 between every neighboring secondary water-cooled copper 4, the present invention by
It is very tight in first pole magnetic coupling, high-frequency magnetic leakage is effectively reduced, transfer efficiency is improved.
The foregoing is merely the schematical specific embodiment of the present invention, the range being not intended to limit the invention.It is any
Those skilled in the art, made equivalent changes and modifications under the premise of not departing from design and the principle of the present invention,
It should belong to the scope of protection of the invention.
Claims (9)
1. a kind of high frequency air-core transformer, it is characterised in that: secondary coil and external primary coil including inside outlet, institute
The outer surface for stating secondary coil is welded with secondary water cooled copper pipe, and the primary coil is embedded in two adjacent secondary water cooleds
Between copper pipe, primary busbar connector is provided on the outside of the primary coil.
2. high frequency air-core transformer according to claim 1, it is characterised in that: the secondary coil using single turn it is interior go out
Line mode.
3. high frequency air-core transformer according to claim 2, it is characterised in that: the inside of the secondary coil is to be provided with
The secondary output busbar connector of water cooling tube.
4. high frequency air-core transformer according to claim 1, it is characterised in that: the primary coil be multiple single turns simultaneously
Connection.
5. high frequency air-core transformer according to claim 1, it is characterised in that: the primary coil is one or more more
Circle coils from parallel connection of coils.
6. high frequency air-core transformer according to claim 1, it is characterised in that: the outer surface of the secondary coil is equidistant
It is welded with the secondary water cooled copper pipe.
7. high frequency air-core transformer according to claim 6, it is characterised in that: the adjacent spacing of the secondary water cooled copper pipe
Adjacent spacing than the primary coil is big.
8. high frequency air-core transformer described in any one of -7 according to claim 1, it is characterised in that: the secondary water cooled copper pipe
Cross section be in Ω shape.
9. high frequency air-core transformer described in any one of -7 according to claim 1, it is characterised in that: the primary coil and institute
Stating the gap between secondary water cooled copper pipe is 0.5mm-5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910336854.XA CN110070974A (en) | 2019-04-25 | 2019-04-25 | A kind of high frequency air-core transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910336854.XA CN110070974A (en) | 2019-04-25 | 2019-04-25 | A kind of high frequency air-core transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110070974A true CN110070974A (en) | 2019-07-30 |
Family
ID=67368751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910336854.XA Pending CN110070974A (en) | 2019-04-25 | 2019-04-25 | A kind of high frequency air-core transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110070974A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110634645A (en) * | 2019-09-29 | 2019-12-31 | 中国科学院合肥物质科学研究院 | Adjustable ultra-high-power pulse reactor for superconducting magnet quench protection |
-
2019
- 2019-04-25 CN CN201910336854.XA patent/CN110070974A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110634645A (en) * | 2019-09-29 | 2019-12-31 | 中国科学院合肥物质科学研究院 | Adjustable ultra-high-power pulse reactor for superconducting magnet quench protection |
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