CN112542301A - Novel high-frequency switch transformer - Google Patents
Novel high-frequency switch transformer Download PDFInfo
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- CN112542301A CN112542301A CN202011363530.4A CN202011363530A CN112542301A CN 112542301 A CN112542301 A CN 112542301A CN 202011363530 A CN202011363530 A CN 202011363530A CN 112542301 A CN112542301 A CN 112542301A
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- magnetic core
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- core framework
- novel high
- winding
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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
- H01F27/30—Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
- H01F27/303—Clamping coils, windings or parts thereof together
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- Engineering & Computer Science (AREA)
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- Coils Or Transformers For Communication (AREA)
Abstract
The invention relates to the technical field of electricity, in particular to a novel high-frequency switch transformer. The invention provides a novel high-frequency switch transformer which can conveniently adjust the coil gap and improve the conversion efficiency of the transformer. The present invention provides a novel high frequency switching transformer, comprising: the magnetic core framework is internally provided with a square hole for mounting the E-shaped magnetic core; the magnetic core comprises a magnetic core framework, foot seats, a winding wire and a winding wire, wherein the foot seats are symmetrically arranged at the lower part of the magnetic core framework, and winding wire grooves are uniformly formed in opposite sides of the two foot seats at intervals; the bottom of the pin base is uniformly provided with wiring pins at intervals; e type magnetic core, two E type magnetic core middle parts are detachable inserts to the inside square hole of magnetic core skeleton, and two E type magnetic cores are laminated. The coil can be fixed through the cooperation of main pusher and auxiliary pusher.
Description
Technical Field
The invention relates to the technical field of electricity, in particular to a novel high-frequency switch transformer.
Background
With the development of the times and the progress of the technology, various electrical equipment is more and more, and the switching power supplies for supplying power to the electrical equipment are more and more extensive, and now the switching power supplies gradually replace the traditional linear power supplies, and most of the switching power supplies work in a high-frequency state of ten thousand hertz. The core of the switching power supply is a switching transformer, and the performance of the switching power supply depends on the performance of the switching transformer.
At present, high-frequency switch transformers have leakage inductance and neighbor effect, in order to eliminate part of the leakage inductance and less neighbor effect, a layered cross winding method is generally adopted, an insulating layer is wound between coils, and because the number of turns of the coils wound by a primary wire group and a secondary wire group is different, the gap between the coils needs to be adjusted when the high-frequency switch transformers are installed, and the influence on alternating current resistance is reduced.
Therefore, a novel high-frequency switch transformer which can conveniently adjust the coil gap and improve the conversion efficiency of the transformer is designed for solving the problems.
Disclosure of Invention
The invention aims to overcome the defects that the number of turns of coils wound by a primary wire group and the number of turns of coils wound by a secondary wire group are different, and the gap between the coils needs to be adjusted when the high-frequency switch transformer is installed.
The technical scheme is as follows: a novel high frequency switching transformer, comprising: the magnetic core framework is internally provided with a square hole for mounting the E-shaped magnetic core; the magnetic core comprises a magnetic core framework, foot seats, a winding wire and a winding wire, wherein the foot seats are symmetrically arranged at the lower part of the magnetic core framework, and winding wire grooves are uniformly formed in opposite sides of the two foot seats at intervals; the bottom of the pin base is uniformly provided with wiring pins at intervals; the middle parts of the two E-shaped magnetic cores are detachably inserted into the square hole in the magnetic core framework, and the two E-shaped magnetic cores are attached; the two sides of the magnetic core framework are symmetrically provided with the main thrusters around the central axis of the winding part; and the auxiliary pushers are symmetrically arranged on two sides of the magnetic core framework about a central axis of the winding part and are matched with the main pusher.
As an improvement of the above, the main pusher includes: the magnetic core winding device comprises a main cylinder body, wherein mounting grooves are symmetrically formed in the two sides of a magnetic core framework up and down relative to a winding position, mounting holes are uniformly formed in the positions of the mounting grooves of the magnetic core framework at intervals, the main cylinder body is embedded in a large mounting hole of the magnetic core framework, and the two ends of the main cylinder body are communicated; two first pistons are movably arranged in each main cylinder body; a push rod is arranged on a first piston in the main cylinder body, and the first piston is far away from the winding part of the magnetic core framework; the push handle is arranged between the two push rods at the same side and at the same height; the fixed rod is arranged between the end parts of the same vertical push rod on the same side; the connecting rod is arranged on the first piston close to the winding part of the magnetic core framework in the main cylinder body; the extrusion piece is arranged between the two connecting rods at the same height and is positioned in the mounting groove of the magnetic core framework.
As an improvement of the above, the auxiliary pusher comprises: the auxiliary cylinder body, the position between the close big mounting hole and small mounting hole in the magnetic core skeleton is opened with an inner cavity, the main cylinder body is connected with the auxiliary cylinder body through a connecting column; the auxiliary cylinder body is provided with a connecting pipe in a penetrating way, and the other end of the connecting pipe is communicated with the position between the two first pistons of the main cylinder body; the pressure valve is arranged on the connecting pipe; one end of the auxiliary cylinder body, which is close to the winding part of the magnetic core framework, is communicated, and the second piston is movably arranged in the auxiliary cylinder body; the push rod is arranged on one side, close to the winding position of the magnetic core framework, of the second piston, the extrusion block is arranged between the push rods at the same height, and the extrusion block is located in the installation groove of the magnetic core framework.
As an improvement of the above scheme, the method further comprises the following steps: the shaft sleeves are uniformly arranged at the upper and lower parts of one side of the winding grooves of the two foot seats; the rotating shaft is arranged in the shaft sleeve in a rotating manner; the rotating shaft is provided with an arc plate; the spacing block is arranged on the arc-shaped plate and matched with the winding grooves corresponding to the foot seats.
As an improvement of the above scheme, the method further comprises the following steps: the push rod is uniformly provided with wedge blocks; the main cylinder body is provided with an elastic plate; the fixture block is arranged on the other side of the elastic plate and matched with the wedge-shaped block.
As an improvement of the scheme, the E-type magnetic core is an E-type ferrite magnetic core.
The invention has the following advantages: 1. the coil can be fixed through the cooperation of main pusher and auxiliary pusher.
2. The coils in the winding grooves isolated by the isolation blocks can be driven through the arc-shaped plates, so that the coils are prevented from being staggered.
3. The fixture block and the wedge block are matched to prevent the push rod from moving, so that a fixing effect is achieved.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
FIG. 2 is a schematic view of a first partial body structure according to the present invention.
Fig. 3 is a schematic perspective view of the main pusher according to the present invention.
Fig. 4 is a schematic diagram of a first partial gas explosion configuration of the present invention.
FIG. 5 is a schematic view of a second partial body structure according to the present invention.
Fig. 6 is a schematic diagram of a second partial gas explosion configuration of the present invention.
Number designation in the figures: 1. the magnetic core comprises a magnetic core framework, 2 parts of square holes, 3 parts of foot seats, 4 parts of wiring feet, 5 parts of an E-shaped magnetic core, 6 parts of a main pusher, 61 parts of an installation groove, 62 parts of an installation hole, 63 parts of a main cylinder body, 64 parts of a first piston, 65 parts of a push rod, 66 parts of a push handle, 67 parts of a fixed rod, 68 parts of a connecting rod, 69 parts of an extrusion block, 7 parts of an auxiliary pusher, 71 parts of a connecting rod, 72 parts of an auxiliary cylinder body, 73 parts of a connecting pipe, 74 parts of a pressure valve, 75 parts of a second piston, 76 parts of a push rod, 8 parts of a shaft sleeve, 9 parts of a rotating shaft, 10 parts of an arc plate, 11 parts of an isolation block, 12 parts of.
Detailed Description
The above-described scheme is further illustrated below with reference to specific examples. It should be understood that these examples are for illustrative purposes and are not intended to limit the scope of the present application. The conditions used in the examples may be further adjusted according to the conditions of the particular manufacturer, and the conditions not specified are generally the conditions in routine experiments.
Example 1
As shown in fig. 1, fig. 2, fig. 3 and fig. 4, a novel high frequency switch transformer, including magnetic core skeleton 1, foot stool 3, wiring foot 4, E type magnetic core 5, main pusher 6 and supplementary pusher 7, it has quad slit 2 to run through about magnetic core skeleton 1 is inside, 1 lower part bilateral symmetry of magnetic core skeleton is provided with foot stool 3, two foot stools 3 have the wire winding groove to one side uniform spacing in opposite directions, 3 bottom uniform spacing of foot stool are provided with wiring foot 4, two 5 middle parts of E type magnetic core are detachable to insert to the quad slit 2 of magnetic core skeleton 1 inside, 5 laminating of two E type magnetic cores, 1 left and right sides of magnetic core skeleton is provided with main pusher 6 about wire winding position axis symmetry, 1 left and right sides of magnetic core skeleton is provided with supplementary pusher 7 about wire winding position axis symmetry, supplementary pusher 7 cooperates with main pusher 6.
The main pusher 6 comprises a main cylinder 63, first pistons 64, push rods 65, push handles 66, fixing rods 67, connecting rods 68 and an extrusion block 69, wherein the left side and the right side of the magnetic core framework 1 are symmetrically provided with mounting grooves 61 up and down relative to the winding position, the positions of the mounting grooves 61 of the magnetic core framework 1 are uniformly provided with mounting holes 62 at intervals, the main cylinder 63 is embedded in the large mounting hole 62 in the magnetic core framework 1, the two ends of the main cylinder 63 are communicated, each main cylinder 63 is internally provided with two movable first pistons 64, the first pistons 64 far away from the winding position of the magnetic core framework 1 in the main cylinder 63 are connected with the push rods 65 in an interference fit manner, the push handles 66 are arranged between the two push rods 65 at the same side and at the same height, the fixing rods 67 are arranged between the end positions of the same vertical push rod 65 at the same side in a welding manner, the connecting rods 68, an extrusion block 69 is arranged between the two connecting rods 68 at the same height, and the extrusion block 69 is positioned in the mounting groove 61 of the magnetic core framework 1.
The auxiliary pusher 7 comprises a connecting column 71, an auxiliary cylinder 72, a connecting pipe 73, a pressure valve 74, a second piston 75 and a push rod 76, an inner cavity is formed between a large mounting hole 62 and a small mounting hole 62 which are close to each other in the magnetic core framework 1, the main cylinder 63 is connected with the auxiliary cylinder 72 through the connecting column 71 in a welding mode, the connecting pipe 73 penetrates through the auxiliary cylinder 72, the other end of the connecting pipe 73 is communicated with two piston parts of the main cylinder 63, the pressure valve 74 is arranged on the connecting pipe 73, one end, close to the winding part of the magnetic core framework 1, in the auxiliary cylinder 72 penetrates through, the second piston 75 is movably arranged in the auxiliary cylinder 72, the push rod 76 is arranged on one side, close to the winding part of the magnetic core framework 1, of the second piston 75, an extrusion block 69 is arranged between the push rods 76 at the same height, and the extrusion block 69.
By connecting the input end of the coil to the wiring pin 4, then winding the coil on the winding position of the magnetic core framework 1 according to the required number of turns, when the number of turns is enough, pushing the main pusher 6 close to the coil, pushing the fixing rods 67 at the left and right sides by a worker, driving the push rod 65 to move towards the main cylinder 63 by the fixing rods 67 through the push handle 66, driving the connected first pistons 64 to move towards each other by the push rod 65 of the first piston 64 at the inner side, driving the connected extrusion blocks 69 to move towards each other through the connecting rod 68, reducing the distance between the coils by the two extrusion blocks 69, when the coil is wound into two layers, continuously pushing the fixing rods 67, because the two extrusion blocks 69 already extrude and fix the coil at the inner layer, reducing the distance between the first pistons 64 in the same main cylinder 63, opening the pressure valve 74 through the connecting pipe 73 to enter the auxiliary cylinder 72, and further increasing the pressure in the auxiliary cylinder 72, the second piston 75 drives the extrusion block 69 to extrude the coil on the second layer to be fixed through the pushing rod 76, the coil can be cut off after the adjustment is completed, the output end is connected to the corresponding wiring pin 4, the primary wire group is installed, the isolation belt is wound, and then the primary wire group is installed.
Example 2
As shown in fig. 5 and 6, on the basis of embodiment 1, the winding device further includes a shaft sleeve 8, a rotating shaft 9, an arc-shaped plate 10 and a spacer 11, the shaft sleeve 8 is uniformly disposed on one side of the winding slots of the two foot bases 3 from top to bottom, the rotating shaft 9 is rotatably disposed in the shaft sleeve 8, the arc-shaped plate 10 is disposed on the rotating shaft 9, the spacer 11 is disposed on the arc-shaped plate 10, and the spacer 11 is matched with the corresponding winding slots of the foot bases 3. The coils in the winding grooves isolated by the isolating blocks 11 can be driven through the arc-shaped plates 10, so that the coils are prevented from being staggered.
The cylinder further comprises wedge blocks 12, an elastic plate 13 and a clamping block 14, the wedge blocks 12 are uniformly arranged on the push rod 65, the elastic plate 13 is arranged on the main cylinder body 63, the clamping block 14 is arranged on the other side of the elastic plate 13, and the clamping block 14 is matched with the wedge blocks 12. The clamping block 14 is matched with the wedge-shaped block 12 to prevent the push rod 65 from moving, so that a fixing effect is achieved, when the push rod 65 needs to be moved, the elastic plate 13 is directly pulled, the elastic plate 13 drives the clamping block 14 to be separated from the wedge-shaped block 12, and the main pusher 6 and the auxiliary pusher 7 can be reset.
The above examples are merely representative of preferred embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, various changes, modifications and substitutions can be made without departing from the spirit of the present invention, and these are all within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (6)
1. A novel high-frequency switch transformer is characterized by comprising:
the magnetic core comprises a magnetic core framework (1), wherein a square hole (2) for installing an E-shaped magnetic core (5) is formed in the magnetic core framework (1);
the magnetic core comprises foot seats (3), wherein the foot seats (3) are symmetrically arranged at the lower part of a magnetic core framework (1), and winding grooves are uniformly formed in opposite sides of the two foot seats (3) at intervals;
the bottom of the pin base (3) is uniformly provided with wiring pins (4) at intervals;
the middle parts of the two E-shaped magnetic cores (5) are detachably inserted into the square hole (2) in the magnetic core framework (1), and the two E-shaped magnetic cores (5) are attached;
the main thrusters (6) are symmetrically arranged on two sides of the magnetic core framework (1) relative to a central axis of the winding part;
auxiliary pushers (7) are symmetrically arranged on two sides of the magnetic core framework (1) about a central axis of the winding part, and the auxiliary pushers (7) are matched with the main pushers (6).
2. A novel high-frequency switching transformer, as in claim 1, characterized by the main thruster (6) comprising:
the magnetic core winding device comprises a main cylinder body (63), wherein mounting grooves (61) are symmetrically formed in the two sides of a magnetic core framework (1) up and down relative to a winding position, mounting holes (62) are uniformly formed in the positions of the mounting grooves (61) of the magnetic core framework (1) at intervals, the main cylinder body (63) is embedded in a large mounting hole (62) of the magnetic core framework (1), and the two ends of the main cylinder body (63) are communicated;
two first pistons (64) are movably arranged in each main cylinder body (63);
the push rod (65) is arranged on a first piston (64) which is far away from the winding part of the magnetic core framework (1) in the main cylinder body (63);
the push handle (66) is arranged between the two push rods (65) at the same side and the same height;
the fixing rod (67) is arranged between the end parts of the same vertical push rod (65) on the same side;
the connecting rod (68) is arranged on the first piston (64) close to the winding part of the magnetic core framework (1) in the main cylinder body (63);
the magnetic core frame comprises an extrusion block (69), wherein the extrusion block (69) is arranged between two connecting rods (68) at the same height, and the extrusion block (69) is positioned in a mounting groove (61) of the magnetic core frame (1).
3. A novel high-frequency switching transformer, as in claim 2, characterized by the fact that the auxiliary pusher (7) comprises:
an inner cavity is formed between the close large mounting hole (62) and the close small mounting hole (62) in the magnetic core framework (1), and the main cylinder body (63) is connected with the auxiliary cylinder body (72) through a connecting column (71);
the connecting pipe (73) penetrates through the auxiliary cylinder body (72), and the other end of the connecting pipe (73) is communicated with the position between the two first pistons (64) of the main cylinder body (63);
the pressure valve (74) is arranged on the connecting pipe (73);
one end of the auxiliary cylinder body (72), which is close to the winding part of the magnetic core framework (1), is communicated, and the second piston (75) is movably arranged in the auxiliary cylinder body (72);
the pushing rod (76) is arranged on one side, close to the winding part of the magnetic core framework (1), of the second piston (75), the pushing rod (76) is arranged, the extrusion blocks (69) are arranged between the pushing rods (76) at the same height, and the extrusion blocks (69) are located in the installation grooves (61) of the magnetic core framework (1).
4. A novel high frequency switching transformer as claimed in claim 3, further comprising:
the shaft sleeves (8) are uniformly arranged at the upper and lower parts of one side of the winding grooves of the two foot seats (3);
the rotating shaft (9) is arranged in the shaft sleeve (8) in a rotating mode;
the rotating shaft (9) is provided with an arc-shaped plate (10);
the isolation block (11) is arranged on the arc-shaped plate (10), and the isolation block (11) is matched with the corresponding winding grooves of the foot seats (3).
5. The novel high-frequency switching transformer according to claim 4, further comprising:
the wedge-shaped blocks (12) are uniformly arranged on the push rod (65);
the elastic plate (13) is arranged on the main cylinder body (63);
the fixture block (14) is arranged on the other side of the elastic plate (13), and the fixture block (14) is matched with the wedge-shaped block (12).
6. A novel high-frequency switching transformer as claimed in claim 5, characterized in that said E-core (5) is an E-ferrite core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011363530.4A CN112542301B (en) | 2020-11-27 | 2020-11-27 | Novel high-frequency switch transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011363530.4A CN112542301B (en) | 2020-11-27 | 2020-11-27 | Novel high-frequency switch transformer |
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| Publication Number | Publication Date |
|---|---|
| CN112542301A true CN112542301A (en) | 2021-03-23 |
| CN112542301B CN112542301B (en) | 2022-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011363530.4A Active CN112542301B (en) | 2020-11-27 | 2020-11-27 | Novel high-frequency switch transformer |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1391971A (en) * | 1971-03-19 | 1975-04-23 | Gen Electric | Apparatus for inserting coil turns into the slots of a magnetic core |
| US20020175798A1 (en) * | 2001-05-22 | 2002-11-28 | Dennis Sigl | Welding power supply transformer |
| CN202650808U (en) * | 2012-05-23 | 2013-01-02 | 耀胜电子股份有限公司 | Lateral thrust combined type transformer structure |
| CN106057447A (en) * | 2016-07-05 | 2016-10-26 | 海宁联丰东进电子有限公司 | Transformer of small power supply |
| CN207558560U (en) * | 2018-03-21 | 2018-06-29 | 池州易声电子器件有限公司 | A kind of electronic component inductor of install convenient |
| CN108987070A (en) * | 2018-08-03 | 2018-12-11 | 江苏晨朗电子集团有限公司 | A kind of electronic transformer |
-
2020
- 2020-11-27 CN CN202011363530.4A patent/CN112542301B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1391971A (en) * | 1971-03-19 | 1975-04-23 | Gen Electric | Apparatus for inserting coil turns into the slots of a magnetic core |
| US20020175798A1 (en) * | 2001-05-22 | 2002-11-28 | Dennis Sigl | Welding power supply transformer |
| CN202650808U (en) * | 2012-05-23 | 2013-01-02 | 耀胜电子股份有限公司 | Lateral thrust combined type transformer structure |
| CN106057447A (en) * | 2016-07-05 | 2016-10-26 | 海宁联丰东进电子有限公司 | Transformer of small power supply |
| CN207558560U (en) * | 2018-03-21 | 2018-06-29 | 池州易声电子器件有限公司 | A kind of electronic component inductor of install convenient |
| CN108987070A (en) * | 2018-08-03 | 2018-12-11 | 江苏晨朗电子集团有限公司 | A kind of electronic transformer |
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| Publication number | Publication date |
|---|---|
| CN112542301B (en) | 2022-05-03 |
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