CN204144000U - A kind of variable inductor - Google Patents
A kind of variable inductor Download PDFInfo
- Publication number
- CN204144000U CN204144000U CN201420533604.8U CN201420533604U CN204144000U CN 204144000 U CN204144000 U CN 204144000U CN 201420533604 U CN201420533604 U CN 201420533604U CN 204144000 U CN204144000 U CN 204144000U
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- coil
- magnetic core
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- link slot
- metallic shield
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Abstract
The utility model relates to a kind of variable inductor, structure comprises base, described base is provided with three magnetic cores, three magnetic cores are that equilateral triangle arrangement is on base, the outside of three described magnetic cores is wound with a coil respectively, the outside of coil is also provided with metallic shield, described base center also offers circular groove, joint pin is rotatably connected in groove, base between metallic shield and groove offers link slot, one end of coil stretches in link slot, the top of described joint pin is provided with the first connection end, first connection end is connected with the coil in link slot by flexible connection mechanism, the other end of described coil is connected with the second connection end being arranged on top through metallic shield.The utility model can be connected into the coil windings of the different number of turn by the post that is rotatably connected, thus changes inductance value, improves its Practical Performance.
Description
Technical field
The utility model relates to a kind of electric elements, particularly a kind of variable inductor.
Background technology
Inductance (inductance coil) is the electromagnetic induction element with insulated conductor coiling, is also one of components and parts commonly used in electronic circuit.Inductance is with enamelled wire, cotton covered wire or the coaxial wire turn moulding one group of series connection that rubber-insulated wire etc. turns on insulation framework or magnetic core, iron core, it represents with letter " L " in circuit, Main Function be to AC signal carry out Isolation or and capacitor, resistor etc. form resonant circuit.But in actual applications because required inductance value is different, need to change different inductors, extremely bother, modern production needs can not be met.
No. 202,134,313 U, Chinese utility model patent CN discloses a kind of variable inductor, its structure comprises a substrate, described upper surface of base plate is located at by one magnetic core, the Surface coating of described magnetic core has an insulating barrier, at least one winding, described winding has the multiple conductive turns sequentially connected in the form of sheets and encloses described surface of insulating layer respectively, described conductive turns is at least partly between described upper surface of base plate and described insulating barrier, described conductive turns and described magnetic core form coil effect, at least one electric connection layer is laid described upper surface of base plate and multiple described conductive turns and is close to and arranges, described electric connection layer selectively forms with conductive turns spot welding described in wantonly two the coil effect being electrically connected and reducing described winding, two tin creams can be utilized when described variable inductor inductance value being turned down, wherein conductive turns described in one and described electric connection layer connect by tin cream described in, conductive turns described in another and described electric connection layer connect by tin cream described in another, thus the coil effect reducing described winding reaches the object reducing inductance value.But this complex structure, manufacturing cost are higher, the needs of modern production cannot be met.
Summary of the invention
The utility model technical issues that need to address are the coil windings being connected into the different number of turn by the post that is rotatably connected, thus change inductance value, improve its Practical Performance; A kind of variable inductor is provided.
For solving above-mentioned technical problem, structure of the present utility model comprises base, described base is provided with three magnetic cores, three magnetic cores are that equilateral triangle arrangement is on base, the outside of three described magnetic cores is wound with a coil respectively, the outside of coil is also provided with metallic shield, described base center also offers circular groove, joint pin is rotatably connected in groove, base between metallic shield and groove offers link slot, one end of coil stretches in link slot, the top of described joint pin is provided with the first connection end, first connection end is connected with the coil in link slot by flexible connection mechanism, the other end of described coil is connected with the second connection end being arranged on top through metallic shield.
Further: described flexible connection mechanism comprises brace, spring and concatenation pointer, the upper end of brace is connected with the top of joint pin, and the lower end of brace is connected by the coil in concatenation pointer link slot, is also provided with spring between brace and joint pin.
Further again: three described magnetic cores are followed successively by the first magnetic core, the second magnetic core and the 3rd magnetic core, the length of the second magnetic core and the 3rd magnetic core is followed successively by one times and twice of the first magnetic core.
Further again: the outside of the first described magnetic core, the second magnetic core and the 3rd magnetic core is wound with the first coil, the second coil and tertiary coil respectively, the length of the second coil and tertiary coil is followed successively by one times and twice of the first coil.
After adopting said structure, the utility model can not only be connected into the coil windings of the different number of turn by the post that is rotatably connected, thus changes inductance value, improves its Practical Performance; And the utility model adds metallic shield outside coil, shield external electromagnetic wave to the impact of internal circuit and the inner electromagnetic wave outside radiation produced by metallic shield; And the design also has the advantage that structure is simple, be easy to manufacture.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is plan structure schematic diagram of the present utility model.
Fig. 2 is main TV structure schematic diagram of the present utility model.
Fig. 3 is the enlarged drawing of A in Fig. 1.
In figure: 1 is base, 2 is the first connection end, and 3 is joint pin, and 4 is link slot, and 5 is groove, 6 is the second connection end, and 7 is brace, and 8 is metallic shield, and 9 is concatenation pointer, and 10 is spring, 11 is the second magnetic core, and 12 is the 3rd magnetic core, and 13 is the second coil, and 14 is tertiary coil.
Embodiment
As Fig. 1, a kind of variable inductor shown in Fig. 2 and Fig. 3, comprise base 1, described base 1 is provided with three magnetic cores, three magnetic cores are that equilateral triangle arrangement is on base 1, the outside of three described magnetic cores is wound with a coil respectively, the outside of coil is also provided with metallic shield 8, described base 1 center also offers circular groove 5, joint pin 3 is rotatably connected in groove 5, base 1 between metallic shield 8 and groove 5 offers link slot 4, one end of coil stretches in link slot 4, the top of described joint pin 3 is provided with the first connection end 2, first connection end 2 is connected with the coil in link slot 4 by flexible connection mechanism, the other end of described coil is connected with the second connection end 6 being arranged on top through metallic shield 8.It is made to be connected with coil by flexible connection mechanism by the post 3 that is rotatably connected during work, then being connected into the second connection end 6 above coil and the first connection end 2 above joint pin 3 is connected in circuit; When needing to change inductance value, extruding flexible connection mechanism makes flexible connection mechanism run out of the connection disconnected with coil from link slot 4, then continue to be rotatably connected post 3 until flexible connection mechanism is directly to the link slot 4 in required coil front, unclamp flexible connection mechanism, flexible connection mechanism can stretch into link slot 4 and be connected with required coil under the effect of its own resilient.The design can not only be connected into the coil windings of the different number of turn by the post that is rotatably connected, thus changes inductance value, improves its Practical Performance.And the utility model adds metallic shield outside coil, shield external electromagnetic wave to the impact of internal circuit and the inner electromagnetic wave outside radiation produced by metallic shield; And the design also has the advantage that structure is simple, be easy to manufacture.
Flexible connection mechanism as shown in Figure 1 comprises brace 7, spring 10 and concatenation pointer 9, the upper end of brace 7 is connected with the top of joint pin 3, the lower end of brace 7 is connected by the coil in concatenation pointer 9 link slot 4, is also provided with spring 10 between brace 7 and joint pin 3.When selecting complete required coil, first by brace 7 extrusion spring 10 and the post 3 that is rotatably connected makes concatenation pointer 9 just to the link slot 4 in required coil front simultaneously, then send out brace 7 concatenation pointer 9 is stretched in link slot 4 under the effect of elastic force and is connected with required coil, reach more emat coil and control the effect of inductance value.
Three magnetic cores are as shown in Figure 2 followed successively by the first magnetic core, the length of the second magnetic core 11 and the 3rd magnetic core 12, second magnetic core 11 and the 3rd magnetic core 12 is followed successively by the first magnetic core one times and twice.The outside of the first described magnetic core, the second magnetic core 11 and the 3rd magnetic core 12 is wound with the first coil respectively, the length of the second coil 13 and tertiary coil 14, second coil 13 and tertiary coil 14 is followed successively by the first coil one times and twice.The design is respectively equipped with magnetic core and the coil of three kinds of different lengths on base 1, then according to the post 3 that is rotatably connected, concatenation pointer 9 is connected with required coil, thus plays the effect controlling inductance value.
Claims (4)
1. a variable inductor, comprise base (1), it is characterized in that: described base (1) is provided with three magnetic cores, three magnetic cores are that equilateral triangle arrangement is on base (1), the outside of three described magnetic cores is wound with a coil respectively, the outside of coil is also provided with metallic shield (8), described base (1) center also offers circular groove (5), joint pin (3) is rotatably connected in groove (5), base (1) between metallic shield (8) and groove (5) offers link slot (4), one end of coil stretches in link slot (4), the top of described joint pin (3) is provided with the first connection end (2), first connection end (2) is connected with the coil in link slot (4) by flexible connection mechanism, the other end of described coil is connected with the second connection end (6) being arranged on top through metallic shield (8).
2. a kind of variable inductor according to claim 1, it is characterized in that: described flexible connection mechanism comprises brace (7), spring (10) and concatenation pointer (9), the upper end of brace (7) is connected with the top of joint pin (3), the lower end of brace (7) is connected by the coil in concatenation pointer (9) link slot 4, is also provided with spring (10) between brace (7) and joint pin (3).
3. a kind of variable inductor according to claim 1, it is characterized in that: three described magnetic cores are followed successively by the first magnetic core, the second magnetic core (11) and the 3rd magnetic core (12), the length of the second magnetic core (11) and the 3rd magnetic core (12) is followed successively by one times and twice of the first magnetic core.
4. a kind of variable inductor according to claim 3, it is characterized in that: the outside of the first described magnetic core, the second magnetic core (11) and the 3rd magnetic core (12) is wound with the first coil, the second coil (13) and tertiary coil (14) respectively, the length of the second coil (13) and tertiary coil (14) is followed successively by one times and twice of the first coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420533604.8U CN204144000U (en) | 2014-09-17 | 2014-09-17 | A kind of variable inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420533604.8U CN204144000U (en) | 2014-09-17 | 2014-09-17 | A kind of variable inductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204144000U true CN204144000U (en) | 2015-02-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420533604.8U Active CN204144000U (en) | 2014-09-17 | 2014-09-17 | A kind of variable inductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204144000U (en) |
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2014
- 2014-09-17 CN CN201420533604.8U patent/CN204144000U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 313000 Zhejiang city of Huzhou province Changxin county new Huai mining area Patentee after: Changxin strong electronic equipment Limited by Share Ltd Address before: 313000 Zhejiang city of Huzhou province Changxin county new Huai mining area Patentee before: CHANGXING SHENGQIANG ELECTRONIC EQUIPMENT CO., LTD. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Adjusting method of adjustable inductor and inductance value Effective date of registration: 20171229 Granted publication date: 20150204 Pledgee: Changxin Zhejiang rural commercial bank Limited by Share Ltd Pledgor: Changxin strong electronic equipment Limited by Share Ltd Registration number: 2017330000342 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20200511 Granted publication date: 20150204 Pledgee: Changxin Zhejiang rural commercial bank Limited by Share Ltd Pledgor: CHANGXING SHENGQIANG ELECTRONIC EQUIPMENT Co.,Ltd. Registration number: 2017330000342 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Adjusting method of adjustable inductor and inductance value Effective date of registration: 20200512 Granted publication date: 20150204 Pledgee: Changxin Zhejiang rural commercial bank Limited by Share Ltd Pledgor: CHANGXING SHENGQIANG ELECTRONIC EQUIPMENT Co.,Ltd. Registration number: Y2020330000231 |