CN209168920U - The rotary variable inductor for having multi-level output function - Google Patents
The rotary variable inductor for having multi-level output function Download PDFInfo
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- CN209168920U CN209168920U CN201920057240.3U CN201920057240U CN209168920U CN 209168920 U CN209168920 U CN 209168920U CN 201920057240 U CN201920057240 U CN 201920057240U CN 209168920 U CN209168920 U CN 209168920U
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- magnetic core
- variable inductor
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- coil
- rotary variable
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Abstract
The rotary variable inductor for having multi-level output function, it is Cylindrical housing structure including the first magnetic core, the second magnetic core, coil windings, first and second magnetic core, upper notch, down gap are offered along the cylindrical housings upper and lower parts of the rounded bottom surface axis of symmetry, middle part is equipped with cylindrical body boss to the magnetic core of Cylindrical housing structure in the inner part, and cylindrical body boss, which runs through, offers mounting hole.The coil windings include having skeleton, are wound with loop coil on skeleton；Loop coil has input wiring terminal, multiply output line terminal.First annular coil insertion is mounted in the first magnetic core；The second loop coil insertion is mounted in the second magnetic core；It is equipped with tapped nut in first mounting hole, the screw rod that one end is external screw thread, the other end has adjustment hole is equipped in the second mounting hole；Band internal thread nut cooperates with externally threaded screw rod, and rotation adjustment hole can adjust the first and second magnetic core spacing.The rotary variable inductor of the utility model adjusts the distance of two cylindrical housings magnetic cores by screw rod, nut combination, and then adjusts width of air gap and carry out adjusting inductance.
Description
Technical field
The utility model relates to a kind of variable inductor, specifically a kind of rotary adjustable electric for having multi-level output function
Sensor.
Background technique
In the prior art, variable inductor mainly by magnetic core, inductance coil and can adjustable magnetic cap form, by rotation can adjustable magnetic
The angle of cap, to change position of the magnetic core in inductance coil, to adjust inductance parameters.Disadvantage existing for such variable inductor
, there are biggish leakage inductance amount end is: 1), degree of regulation is not high；2), it is easy that there are electromagnetic interference phenomenons；3), output electricity
Sensibility reciprocal numerical approach is single.
Such as a kind of Chinese patent " variable inductor " (application number 201120204574.2；Authorization Notice No. CN
202093923 U), a kind of variable inductor is disclosed, is the magnetic cap that magnetic core top is set by adjusting, adjustment is to accurately
Inductance value.The inductor is to adjust inductance parameters by changing position of the magnetic core in inductance coil, belongs to traditional electricity
Feel parameter regulation field, degree of regulation is not high；And the way of output is more single；Do not have the function of multi-level output.
Summary of the invention
The utility model provides a kind of rotary variable inductor for having multi-level output function, core be by screw rod,
Nut combination adjusts the distance of two cylindrical housings magnetic cores, and then adjusts width of air gap and carry out adjusting inductance；Band is used simultaneously
There is the coil windings of multiple output terminals are embedded to be assemblied in cylindrical housings magnetic core, realizes the function of multi-level output.
The technical solution that the utility model is taken are as follows:
Have the rotary variable inductor of multi-level output function, including the first magnetic core, the second magnetic core, coil windings, institute
Stating the first magnetic core is Cylindrical housing structure, offers the along the cylindrical housings upper and lower parts of the rounded bottom surface axis of symmetry
One upper notch, the first down gap, middle part is equipped with the first cylindrical body boss to the first magnetic core of Cylindrical housing structure in the inner part,
First cylindrical body boss, which runs through, offers the first mounting hole.
Second magnetic core is Cylindrical housing structure, along the cylindrical housings upper and lower part of the rounded bottom surface axis of symmetry
Position offers the second upper notch, the second down gap, and middle part is equipped with second to the second magnetic core of Cylindrical housing structure in the inner part
Cylindrical body boss, the second cylindrical body boss, which runs through, offers the second mounting hole.
The coil windings include having skeleton, are wound with first annular coil, the second loop coil on skeleton；
First annular coil has the first input wiring terminal, the first output line terminal of multiply；
Second loop coil has the second input wiring terminal, the second output line terminal of multiply；
The first annular coil insertion is mounted in the first magnetic core；The second loop coil insertion is mounted on the second magnetic
In-core；
Tapped nut is equipped in first mounting hole, it is external screw thread, other end band that one end is equipped in the second mounting hole
There is the screw rod of adjustment hole；Band internal thread nut cooperates with externally threaded screw rod, rotation adjustment hole can adjust first,
Two magnetic core spacing.
The first annular coil covers on the first cylindrical body boss of the first magnetic core, is mounted in circular cylindrical shell body, the
One input wiring terminal is stretched out from the first upper notch, and the first output line terminal is stretched out from the first down gap.
The second toroid snare is mounted in circular cylindrical shell body on the second cylindrical body boss of the second magnetic core, the
Two input wiring terminals are stretched out from the second upper notch, and the second output line terminal is stretched out from the second down gap.
The adjustment hole is cross adjustment hole.
The variable inductor further includes shell, pedestal, and coil windings and the first and second magnetic core are integrally located at shell after assembling
It is interior and installation is engaged with pedestal.The shell is circle, is opened up along the circular housing upper and lower parts of the rounded bottom surface axis of symmetry
There are the first outlet hole, the second outlet hole, the first input wiring terminal, the second input wiring terminal are stretched out from the first outlet hole；First output line
End, the second output line terminal are stretched out from the second outlet hole.The outer casing bottom is equipped with multiple fixinig plates, and pedestal is equipped with multiple fixations
Hole, a fixinig plate correspond to across a fixation hole and bend fixation.
A kind of rotary variable inductor for having multi-level output function of the utility model, technical effect are as follows:
1: by the first, second output line terminal of multiply, realizing the function of multi-level output, specific output parameter can be in coiling
When set.
2: cleverly realizing the seamless assembly of magnetic core and coil windings, coupling is good.It is existing that leakage field is reduced to greatest extent
The generation of elephant；Realize optimization magnetism, the coil distribution design being laid out in minimum space.
3: by cross adjustment hole, adjusting magnetic core air gap spacing, carry out adjusting inductance output, degree of regulation is high；And it can be real
Existing multi-level output is adjusted.
4: shell gets up with base combination is directly packaged coil, magnetism, is not necessarily to other elements, has saved cost,
Decrease the generation of electromagnetic interference phenomenon.
Detailed description of the invention
Fig. 1 is the first magnetic core of the utility model variable inductor, nut assembling schematic diagram.
Fig. 2 is the second magnetic core, the screw-rod structure schematic diagram of the utility model variable inductor.
Fig. 3 is the coil winding arrangement schematic diagram of the utility model variable inductor.
Fig. 4 is the shell mechanism schematic diagram of the utility model variable inductor.
Fig. 5 is the schematic diagram of base structure of the utility model variable inductor.
Fig. 6 is the assembling schematic diagram of the utility model variable inductor.
Specific embodiment
As shown in Fig. 1 ~ Fig. 6, have the rotary variable inductor of multi-level output function, including the first magnetic core 1, the second magnetic
Core 2, coil windings.
First magnetic core 1 is Cylindrical housing structure, along the cylindrical housings upper and lower part of the rounded bottom surface axis of symmetry
Position offers the first upper notch 3, the first down gap 3 ', and middle part is equipped with the first magnetic core 1 of Cylindrical housing structure in the inner part
First cylindrical body boss 4, the first cylindrical body boss 4, which runs through, offers the first mounting hole 5.
Second magnetic core 2 is Cylindrical housing structure, along the cylindrical housings upper and lower part of the rounded bottom surface axis of symmetry
Position offers the second upper notch 6, the second down gap 6 ', and middle part is equipped with the second magnetic core 2 of Cylindrical housing structure in the inner part
Second cylindrical body boss 7, the second cylindrical body boss 7, which runs through, offers the second mounting hole 8.
First magnetic core 1, the second magnetic core 2 are the silicon steel sheet of Cylindrical housing structure
The coil windings include having skeleton 11, and skeleton 11 is two annular rigid plastics framves, are distinguished on skeleton 11
It is wound with first annular coil 12, the second loop coil 12 '.First annular coil 12, the second loop coil 12 ' be multiply around
Line is wound.
First annular coil 12 has the first input wiring terminal 13, the first output line terminal of multiply 14；The first output line terminal of multiply
14 are constrained by one section of heat-shrinkable T bush, and per one first output line terminal 14, setting label marks output parameter.Second annular
Coil 12 ' has the second input wiring terminal 13 ', the second output line terminal 14 ' of multiply；The second output line terminal 14 ' of multiply passes through one section
Heat-shrinkable T bush is constrained.Per one second output line terminal 14 ', setting label marks output parameter.
First input wiring terminal 13, outlet side of second input wiring terminal 13 ' as coil windings；The first output line terminal of multiply
14, outlet side of the second output line terminal 14 ' of multiply as coil windings.Any one first output line terminal 14, any one
Two output line terminals 14 ', all in accordance with design parameter, such as: output the number of turns ratio 1:10, from certain in multiply coiling, one is drawn, with
This realizes multistage, many kinds of parameters inductance output.
The first annular coil 12 is mounted in the first magnetic core 1 by the first cylindrical body boss 4, insertion.Described second
Loop coil 12 ' is mounted in the second magnetic core 2 by the insertion of the second cylindrical body boss 7.12 sets of the first annular coil
It on first cylindrical body boss 4 of one magnetic core 1, is mounted in circular cylindrical shell body, the first input wiring terminal 13 is stretched from the first upper notch 3
Out, the first output line terminal 14 is stretched out from the first down gap 3 '.Second loop coil 12 ' is covered the second of the second magnetic core 2
It on cylindrical body boss 7, is mounted in circular cylindrical shell body, the second input wiring terminal 13 ' is stretched out from the second upper notch 6, the second output
Line end 14 ' is stretched out from the second down gap 6 '.
By above-mentioned assembly method, seamless assembly is realized, coupling is good.The hair of magnetic flux leakage is reduced to greatest extent
It is raw.
Tapped nut 9 is equipped in first mounting hole 5, it is external screw thread, the other end that one end is equipped in the second mounting hole 8
Screw rod 10 with adjustment hole 15.Band internal thread nut 9 cooperates with externally threaded screw rod 10.The adjustment hole 15 is
Cross adjustment hole.Adjustment hole 15 is rotated, the first magnetic core 1, the second magnetic core 2 are separate or close, and magnetic core air gap changes, thus
Carry out adjusting inductance output, degree of regulation is high.
For further, the mounting means of the utility model variable inductor is as follows:
The variable inductor further includes shell 16, pedestal 17, and shell 16 is interior to be equipped with elasticity using iron to circular shell
Piece, coil windings are integrally located in shell 16 after assembling with the first and second magnetic core and engage installation with pedestal 17.Along circular base
The circular housing upper and lower parts of the face axis of symmetry offer the first outlet hole 18, the second outlet hole 18 ', the first input wiring terminal 13,
Second input wiring terminal 13 ' is stretched out from the first outlet hole 18；First output line terminal 14, the second output line terminal 14 ' are from the second outlet
Hole 18 ' is stretched out.The effect of shielding electromagnetic interference can be effectively played.Electromagnetic interference includes the external interference to coil windings, and
Interference of the coil windings to peripheral circuit.
16 bottom of shell is set there are three fixinig plate 20, and pedestal 17 uses pcb board, and pcb board is set there are three fixation hole 19,
One fixinig plate 20 corresponds to across a fixation hole 19 and bends fixation, and so far, entire rotary variable inductor is completed.
Claims (7)
1. have the rotary variable inductor of multi-level output function, including the first magnetic core (1), the second magnetic core (2), coil around
Group, it is characterised in that: first magnetic core (1) is Cylindrical housing structure, along the circular cylindrical shell of the rounded bottom surface axis of symmetry
Body upper and lower parts offer the first upper notch (3), the first down gap (3 '), the first magnetic core (1) of Cylindrical housing structure
Middle part is equipped with the first cylindrical body boss (4) in the inner part, and the first cylindrical body boss (4), which runs through, offers the first mounting hole (5)；
Second magnetic core (2) is Cylindrical housing structure, along the cylindrical housings upper and lower parts of the rounded bottom surface axis of symmetry
Offer the second upper notch (6), the second down gap (6 '), the second magnetic core (2) of Cylindrical housing structure middle part in the inner part
Equipped with the second cylindrical body boss (7), the second cylindrical body boss (7), which runs through, offers the second mounting hole (8)；
The coil windings include having skeleton (11), are wound with first annular coil (12), the second toroid on skeleton (11)
It encloses (12 ')；
First annular coil (12) has the first input wiring terminal (13), the first output line terminal of multiply (14)；
Second loop coil (12 ') has the second input wiring terminal (13 '), the second output line terminal of multiply (14 ')；
First annular coil (12) insertion is mounted in the first magnetic core (1)；
Second loop coil (12 ') insertion is mounted in the second magnetic core (2)；
Tapped nut (9) are equipped in first mounting hole (5), be equipped in the second mounting hole (8) one end be external screw thread, it is another
End has the screw rod (10) of adjustment hole (15)；
Band internal thread nut (9) cooperates with externally threaded screw rod (10), rotation adjustment hole (15) can adjust first,
Two magnetic core spacing.
2. having the rotary variable inductor of multi-level output function according to claim 1, it is characterised in that: described first
Loop coil (12) covers on the first cylindrical body boss (4) of the first magnetic core (1), is mounted in circular cylindrical shell body, the first input
Line end (13) is stretched out from the first upper notch (3), and the first output line terminal (14) is stretched out from the first down gap (3 ').
3. having the rotary variable inductor of multi-level output function according to claim 1, it is characterised in that: described second
Loop coil (12 ') covers on the second cylindrical body boss (7) of the second magnetic core (2), is mounted in circular cylindrical shell body, the second input
Line end (13 ') is stretched out from the second upper notch (6), and the second output line terminal (14 ') is stretched out from the second down gap (6 ').
4. having the rotary variable inductor of multi-level output function according to claim 1, it is characterised in that: the adjusting
Hole (15) is cross adjustment hole.
5. having the rotary variable inductor of multi-level output function according to claim 1, it is characterised in that: the adjustable electric
Sensor further includes shell (16), pedestal (17), and coil windings and the first and second magnetic core are integrally located in shell (16) simultaneously after assembling
Installation is engaged with pedestal (17).
6. having the rotary variable inductor of multi-level output function according to claim 5, it is characterised in that: the shell
(16) it is circle, offers the first outlet hole (18) along the circular housing upper and lower parts of the rounded bottom surface axis of symmetry, second goes out
String holes (18 '), the first input wiring terminal (13), the second input wiring terminal (13 ') are stretched out from the first outlet hole (18)；First output line
End (14), the second output line terminal (14 ') are stretched out from the second outlet hole (18 ').
7. having the rotary variable inductor of multi-level output function according to claim 5, it is characterised in that: the shell
(16) bottom is equipped with multiple fixinig plates (20), and pedestal (17) is equipped with multiple fixation holes (19), fixinig plate (20) it is corresponding across
One fixation hole (19) simultaneously bends fixation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920057240.3U CN209168920U (en) | 2019-01-14 | 2019-01-14 | The rotary variable inductor for having multi-level output function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920057240.3U CN209168920U (en) | 2019-01-14 | 2019-01-14 | The rotary variable inductor for having multi-level output function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209168920U true CN209168920U (en) | 2019-07-26 |
Family
ID=67328461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920057240.3U Expired - Fee Related CN209168920U (en) | 2019-01-14 | 2019-01-14 | The rotary variable inductor for having multi-level output function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209168920U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110828132A (en) * | 2019-11-08 | 2020-02-21 | 安徽昭田电子科技有限公司 | Eight diagrams fan-shaped eight-part combined ferrite magnetic core for switch mode power supply and manufacturing process thereof |
| CN115831534A (en) * | 2022-12-13 | 2023-03-21 | 广东群宝电子智造有限公司 | PFC inductance packaging structure |
-
2019
- 2019-01-14 CN CN201920057240.3U patent/CN209168920U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110828132A (en) * | 2019-11-08 | 2020-02-21 | 安徽昭田电子科技有限公司 | Eight diagrams fan-shaped eight-part combined ferrite magnetic core for switch mode power supply and manufacturing process thereof |
| CN110828132B (en) * | 2019-11-08 | 2020-10-13 | 安徽昭田电子科技有限公司 | Eight diagrams fan-shaped eight-part combined ferrite magnetic core for switch mode power supply and manufacturing process thereof |
| CN115831534A (en) * | 2022-12-13 | 2023-03-21 | 广东群宝电子智造有限公司 | PFC inductance packaging structure |
| CN115831534B (en) * | 2022-12-13 | 2024-06-04 | 广东群宝电子智造有限公司 | PFC inductance packaging structure |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190726 Termination date: 20210114 |
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| CF01 | Termination of patent right due to non-payment of annual fee |