CN105469947B - A kind of high-temperature stability inductance - Google Patents
A kind of high-temperature stability inductance Download PDFInfo
- Publication number
- CN105469947B CN105469947B CN201610011573.3A CN201610011573A CN105469947B CN 105469947 B CN105469947 B CN 105469947B CN 201610011573 A CN201610011573 A CN 201610011573A CN 105469947 B CN105469947 B CN 105469947B
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- CN
- China
- Prior art keywords
- magnetic core
- skeleton
- fixture
- base support
- temperature stability
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Classifications
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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
-
- 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
- H01F27/24—Magnetic cores
-
- 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
- H01F27/24—Magnetic cores
- H01F27/26—Fastening parts of the core together; Fastening or mounting the core on casing or support
- H01F27/266—Fastening or mounting the core on casing or support
Abstract
The invention discloses a kind of high-temperature stability inductance, including magnetic core, skeleton and the insulated conductor being wound on skeleton, it is additionally provided with fixture and base support, the fixture is yoke-like fixture, the yoke-like fixture includes top cover and the fixed arm located at top cover both sides, the end of the fixed arm is provided with aduncate bending part so that yoke-like fixture can be interlockingly connected with fixed magnetic core and with base support.The present invention is by coil winding on skeleton, and skeleton is embedded in magnetic core, and magnetic core is fixed on base support by yoke-like fixture snapping, it is ensured that the stability of structure and the stability of inductance performance, while each several part is separate, convenient disassembly.
Description
Technical field
The present invention relates to a kind of high-temperature stability inductance simple in construction for being easy to disassemble assembling, belong to inductor product technology
Field.
Background technology
In the prior art, inductance（Inductance coil）It is to use insulated conductor（Such as enamel-covered wire, cotton-covered wire）Coiling
Electromagnetic induction element, is also one of component for commonly using in electronic circuit.
Inductor is general by skeleton, insulated conductor winding, magnetic core or intimate composition, existing inductor be mainly line around
Formula inductor, the structure of wire wound inductor is that insulated conductor is had mercy on to be formed on magnetic conductor mostly（Iron core or magnetic core or copper core）
Outside, formed column type be inductor.Because such inductance coil is wound on magnetic conductor, therefore in temperature change
Can be very unstable under conditions of scope is larger.It is the schematic diagram of the inductive resistance value tendency of the existing inductance of in the market as shown in Figure 7,
Fig. 8 is the Q value tendencies of existing inductance, it can be seen that the fluctuation of resistance-inductance and Q values is very in the environment of high temperature and low temperature
Greatly, Q value mutations easily occur in the environment of low temperature and high temperature, are far from the stability under the conditions of degree of reaching a high temperature.
In view of this, a kind of new inductance is developed, retention property can be stablized in the case where range of temperature is larger,
While convenient disassembly, it is clear that with positive realistic meaning.
The content of the invention
The goal of the invention of the present invention is to provide a kind of high-temperature stability inductance, solves wire-wound inductor in range of temperature
The unstable situation of performance in the case of larger.
To achieve the above object of the invention, the technical solution adopted by the present invention is：A kind of high-temperature stability inductance, including magnetic
Core, skeleton and the insulated conductor being wound on skeleton, are additionally provided with fixture and base support, and the fixture is fixed for yoke-like
Part, the yoke-like fixture includes top cover and the fixed arm located at top cover both sides, and the end of the fixed arm, which is provided with, to curve inwardly
Bending part so that yoke-like fixture fixed magnetic core is simultaneously interlockingly connected with base support,
The magnetic core includes being provided with the cavity for being used for accommodating skeleton, the magnetic core in upper magnetic core and lower magnetic core, the magnetic core
Ring wall both sides be all provided with it is jagged,
The vertical section of the skeleton is in I-shaped structure, and the center of the skeleton is provided with first through hole, the upper magnetic core,
The inner surface of lower magnetic core is equipped with the first projection being engaged with first through hole shape, and the skeleton is additionally provided with a plurality of for drawing
Go out the lead-out groove of insulated conductor,
The corner of the base support, which is worn, is equipped with pin, and the base support is provided with the groove for being used for placing magnetic core.
Preferably, the described first raised center is additionally provided with the second through hole, and the center of the base support is provided with and second
The second projection that through hole is engaged.
Preferably, the bending part is additionally provided with spike.
Preferably, the edge of the skeleton is provided with 4 lead-out grooves, and two of which lead-out groove is located at the upper surface of skeleton, separately
Outer two lead-out grooves are located at the lower surface of skeleton, and the inside groove of the bottom of the lead-out groove with skeleton is tangent, so not only facilitates
Winding wire is drawn, inner coil is additionally aided and more fully radiates, further the reduction too high influence to inductance value of temperature.
Preferably, the base support is provided with the spacing preiection that at least one is engaged with breach.
In further technical scheme, described second is raised for hollow columnar structures.
In further technical scheme, the described second raised center is provided with screwed hole.
In further technical scheme, provided with the set screw used cooperatively with it in the screwed hole.
Preferably, the base support lower surface two ends are provided with the step that is engaged with bending part, contribute to fixture and
The more preferable snapping of base support.
Preferably, the described first raised height is less than the height of the ring wall of corresponding upper magnetic core or lower magnetic core, so may be used
To utilize set screw trimming inductance value.
After the present invention is installed, the breach of upper magnetic core and lower magnetic core is alignd, and breach alignment can be radiated with maximized,
With reduce coil difficulty bring down a fever caused by unstable inductance situation.
The present invention yoke-like fixture material be aluminium, and yoke-like fixture top cover be provided with through hole, yoke-like fixture with
Base support is interlockingly connected, and is in close contact with magnetic core, can effectively transmit a part of heat and distribute, contribute to the steady of inductance
It is fixed.
The material of skeleton of the present invention is plastics, and core material is N48 materials.
Because above-mentioned technical proposal is used, the present invention has following advantages compared with prior art：
1. the present invention is by coil winding on skeleton, skeleton is embedded in magnetic core, and magnetic core is fixed by yoke-like fixture snapping
On base support, it is ensured that the stability of structure and the stability of inductance performance, while each several part is separate, dismounting side
Just；
2. the winding mode that coil of the present invention is separated with magnetic core improves the characteristic of the High-temperature stabilization of inductance well；
3. the present invention is additionally provided with set screw, it is possible to use set screw trimming inductance value.
Brief description of the drawings
Fig. 1 is the structural decomposition diagram of the present invention.
Fig. 2 is the structure overall schematic of the present invention.
Fig. 3 is the structural representation of base support of the present invention.
Fig. 4 is the inductive resistance value changes curve synoptic diagram of the embodiment of the present invention one.
Fig. 5 is the Q value changes curve synoptic diagrams of the embodiment of the present invention one.
Fig. 6 is the structural representation of the set screw of the present invention.
Fig. 7 is the resistance value and inductance value tendency schematic diagram of existing inductance in background technology.
Fig. 8 is the Q value tendency schematic diagrames of existing inductance in background technology.
Wherein：1st, fixture；11st, top cover；12nd, fixed arm；13rd, bending part；14th, spike；2nd, magnetic core；21st, upper magnetic core；
22nd, lower magnetic core；23；Breach；24th, first is raised；25th, the second through hole；3rd, skeleton；31st, first through hole；32nd, lead-out groove；33rd, it is interior
Groove；4th, base support；41st, pin；42 grooves；43rd, second is raised；44th, spacing preiection；45th, screw hole；46th, step；5th, adjust
Screw.
Embodiment
Below in conjunction with the accompanying drawings and embodiment the invention will be further described：
Embodiment one：Referring to shown in Fig. 1, Fig. 2, a kind of high-temperature stability inductance, including magnetic core 2, skeleton 3 and be wound in
Insulated conductor on skeleton, is additionally provided with fixture 1 and base support 4, and fixture 1 is yoke-like fixture, and yoke-like fixture includes
Top cover 11 and the fixed arm 12 located at top cover both sides, the end of fixed arm 12 are provided with aduncate bending part 13 so that yoke-like
Fixture fixed magnetic core 2 is simultaneously interlockingly connected with base support,
Magnetic core 2 includes being provided with the cavity for being used for accommodating skeleton 3, the ring of magnetic core 2 in upper magnetic core 21 and lower magnetic core 22, magnetic core 2
Wall both sides be all provided with it is jagged,
The vertical section of skeleton 3 is in I-shaped structure, and the center of skeleton 3 is provided with first through hole 31, upper magnetic core 21, lower magnetic core
22 inner surface is equipped with the first projection 24 being engaged with the shape of first through hole 31, skeleton 3 be additionally provided with 4 be used for draw insulate
The lead-out groove 32 of wire,
Shown in Figure 3, the corner of base support 4, which is worn, is equipped with pin 41, and base support 4, which is provided with, to be used to place magnetic core 2
Groove 42.
In the present embodiment, the center of the first projection 24 is additionally provided with the second through hole 25, and the center of base support 4 is provided with and second
The second projection 43 that through hole 25 is engaged.
In the present embodiment, bending part 13 is additionally provided with spike 14.
In the present embodiment, the edge of skeleton 3 is provided with 4 lead-out grooves 32, and two of which lead-out groove 32 is located at the upper table of skeleton 3
Face, two other lead-out groove 32 is located at the lower surface of skeleton 3, and the inside groove 42 of the bottom of lead-out groove 32 with skeleton 3 is tangent, not only
It is convenient to draw wire, additionally aid inner coil and more fully radiate, further the reduction too high influence to inductance value of temperature.
In the present embodiment, base support 4 is provided with a spacing preiection 44 being engaged with breach 23.
In the present embodiment, the second projection 43 is hollow columnar structures, and the center of the second projection 43 is provided with screwed hole 45, in spiral shell
Provided with the set screw 5 used cooperatively with it in pit 45, the structural representation of set screw 5 is shown in Figure 6.
In the present embodiment, the lower surface two ends of base support 4 are provided with the step being engaged with bending part 13, contribute to fixture
1 and the more preferable snapping of base support 4.
In the present embodiment, the height of the first projection 24 is less than the height of the ring wall of corresponding upper magnetic core 21 or lower magnetic core 22,
The trimming inductance value of set screw 5 can so be utilized.
After the present invention is installed, the breach of upper magnetic core 21 and lower magnetic core 22 is alignd, and breach alignment can be carried out with maximized
Radiating, with reduce coil difficulty bring down a fever caused by unstable inductance situation.
The present invention yoke-like fixture material be aluminium, and yoke-like fixture top cover be provided with through hole, yoke-like fixture with
Base support is interlockingly connected, and is in close contact with magnetic core, can effectively transmit a part of heat and distribute, contribute to the steady of inductance
It is fixed.
The material of skeleton 3 of the present invention is plastics, and the material of magnetic core 2 is N48 materials.
The position that the top cover of yoke-like fixture of the present invention is connected with fixed arm has the trend of upward bending so that top cover with
Fixed arm constitutes elastic construction, after yoke-like fixture and base support snapping, can closely connect.
Fig. 4, Fig. 5 are the performance tests that the present invention is carried out under the conditions of -45 °C~85 °C of temperature range, and Fig. 4, Fig. 5 are very straight
That sees reflects the characteristic that the winding mode separated using this coil with magnetic core improves the High-temperature stabilization of inductance well.
It should be pointed out that above embodiment is only the more representational example of the present invention, the invention is not restricted to above-mentioned
Embodiment, also many variations.Every simple variation carried out according to present invention construction should all belong to the guarantor of the present invention
Protect scope.
Claims (8)
1. a kind of high-temperature stability inductance, including magnetic core (2), skeleton (3) and it is wound in skeleton（3）On insulated conductor, its
It is characterised by：It is additionally provided with fixture（1）And base support（4）, the fixture（1）For yoke-like fixture, the yoke-like is fixed
Part includes top cover（11）With located at top cover（11）The fixed arm of both sides（12）, the fixed arm（12）End provided with curving inwardly
Bending part（13）So that yoke-like fixture fixed magnetic core (2) and and base support（4）It is interlockingly connected,
The magnetic core（2）Including upper magnetic core（21）With lower magnetic core（22）, the magnetic core（2）Interior be provided with is used to accommodate skeleton（3）'s
Cavity, the magnetic core（2）Ring wall both sides be all provided with it is jagged（23）,
The skeleton（3）Vertical section be in I-shaped structure, the skeleton（3）Center be provided with first through hole（31）, it is described
Upper magnetic core（21）, lower magnetic core（22）Inner surface be equipped with and first through hole（31）First raised (24) that shape is engaged, institute
State skeleton (3) and be additionally provided with a plurality of lead-out grooves (32) for being used to draw insulated conductor,
The corner of the base support (4), which is worn, is equipped with pin (41), the base support（4）Provided with for placing magnetic core（2）
Groove,
The center of described first raised (24) is additionally provided with the second through hole (25), and the center of the base support (4) is provided with and second
Second raised (43) that through hole (25) is engaged,
Described second is raised（43）For hollow columnar structures, the top cover of the yoke-like fixture is provided with through hole.
2. high-temperature stability inductance according to claim 1, it is characterised in that：The bending part (13) is additionally provided with spike
(14)。
3. high-temperature stability inductance according to claim 1, it is characterised in that：The edge of the skeleton (3) is provided with 4
Lead-out groove (32), two of which lead-out groove（32）Located at skeleton（3）Upper surface, two other lead-out groove（32）Located at skeleton
（3）Lower surface, the bottom of the lead-out groove (32) is and skeleton（3）Inside groove (33) it is tangent.
4. high-temperature stability inductance according to claim 1, it is characterised in that：The base support (4) is provided with extremely
Lack a spacing preiection (44) being engaged with breach (23).
5. high-temperature stability inductance according to claim 1, it is characterised in that：Described second is raised（43）Center set
There is screwed hole（45）.
6. high-temperature stability inductance according to claim 5, it is characterised in that：The screwed hole（45）Inside it is provided with and it
The set screw used cooperatively（5）.
7. high-temperature stability inductance according to claim 1, it is characterised in that：The base support（4）Lower surface two
End is provided with and bending part（13）The step being engaged（46）.
8. high-temperature stability inductance according to claim 1, it is characterised in that：Described first is raised（24）Height it is small
In corresponding upper magnetic core（21）Or lower magnetic core（22）Ring wall height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610011573.3A CN105469947B (en) | 2016-01-08 | 2016-01-08 | A kind of high-temperature stability inductance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610011573.3A CN105469947B (en) | 2016-01-08 | 2016-01-08 | A kind of high-temperature stability inductance |
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| Publication Number | Publication Date |
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| CN105469947A CN105469947A (en) | 2016-04-06 |
| CN105469947B true CN105469947B (en) | 2017-11-03 |
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| CN201610011573.3A Active CN105469947B (en) | 2016-01-08 | 2016-01-08 | A kind of high-temperature stability inductance |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106057438B (en) * | 2016-07-05 | 2018-11-30 | 海宁联丰东进电子有限公司 | A kind of Flat wire vertical geometric pattern high current power inductance |
| CN106057439B (en) * | 2016-07-05 | 2018-01-30 | 海宁联丰东进电子有限公司 | A kind of high-power inductance of modularized design |
| CN108682543A (en) * | 2018-05-09 | 2018-10-19 | 杭州富特科技股份有限公司 | Flat surface transformer |
| CN109192441A (en) * | 2018-08-15 | 2019-01-11 | 湖州同立光电材料有限公司 | Combine inductor |
| CN109215971A (en) * | 2018-09-28 | 2019-01-15 | 威海东兴电子有限公司 | Magnetic core anti-deflection transformer |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0105254A4 (en) * | 1982-03-29 | 1984-08-10 | Joseph F Huth Iii | Improved ferrite core assembly and mounting means. |
| JPH08107024A (en) * | 1994-10-03 | 1996-04-23 | Toyo Commun Equip Co Ltd | Cover of surface mounting transformer |
| CN104240918B (en) * | 2013-06-21 | 2016-08-17 | 台达电子工业股份有限公司 | Transformer device structure |
| CN204497038U (en) * | 2015-01-26 | 2015-07-22 | 台达电子工业股份有限公司 | Transformer |
| CN205388931U (en) * | 2016-01-08 | 2016-07-20 | 苏州大学 | High temperature stability inductance |
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