CN208422613U - A kind of digital power amplifier inductance - Google Patents
A kind of digital power amplifier inductance Download PDFInfo
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- CN208422613U CN208422613U CN201821093402.0U CN201821093402U CN208422613U CN 208422613 U CN208422613 U CN 208422613U CN 201821093402 U CN201821093402 U CN 201821093402U CN 208422613 U CN208422613 U CN 208422613U
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- 238000004804 winding Methods 0.000 claims abstract description 15
- 229920001342 Bakelite® Polymers 0.000 claims description 7
- 239000004637 bakelite Substances 0.000 claims description 7
- JIYIUPFAJUGHNL-UHFFFAOYSA-N [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[Mn++].[Mn++].[Mn++].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Zn++].[Zn++] Chemical group [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[Mn++].[Mn++].[Mn++].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Fe+3].[Zn++].[Zn++] JIYIUPFAJUGHNL-UHFFFAOYSA-N 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 abstract description 2
- 230000001939 inductive effect Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 229910000859 α-Fe Inorganic materials 0.000 description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
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Abstract
The utility model discloses a kind of digital power amplifier inductance, are related to inductive technologies field；Including the first magnetic core, the second magnetic core and spiral winding；First magnetic core is identical as the structure of the second magnetic core, and the side of the first magnetic core is fitted on the side of the second magnetic core；Spiral groove is provided on the face that first magnetic core is bonded with the second magnetic core, and spiral groove is internally provided with pillar, each spiral groove has the entrance being communicated with the outside；Spiral winding has coil body and the first PIN pin and the 2nd PIN pin, coil body has perforative through-hole, the coil body of spiral winding is arranged in the spiral groove of the first magnetic core and the second magnetic core, the pillar on pillar and the second magnetic core on first magnetic core is inserted into the through-hole of coil body, first PIN pin is pierced by from the entrance of the first magnetic core, and the 2nd PIN pin is pierced by from the entrance of the second magnetic core；The beneficial effects of the utility model are: structure is simple, assembling process is very convenient quick.
Description
Technical field
The utility model relates to inductive technologies fields, more specifically, the utility model relates to a kind of digital power amplifier inductance.
Background technique
Digital power amplifier inductance is the inductor being exclusively used in digital power amplifier circuit, mainly plays audio filtering and chokes,
Meet the design needs of high tone quality low distortion.Digital power amplifier inductance is divided to patch type and two kinds of plug-in type, and magnetic core generally selects height to lead
The FERRITE CORE of magnetic rate, wire rod use round wires or flat wire；Configuration aspects have single group coil, 2 groups of coil combinations, 4 groups of coil groups
It closes.
Digital power amplifier inductance in the prior art is needed first to wind coil on preset magnetic core, is then shaped in again
In one matrix, or with glue the coil wound and magnetic core are fixed in preset matrix, structure and processing procedure are all complex.
Utility model content
For overcome the deficiencies in the prior art, the utility model provides a kind of digital power amplifier inductance, the digital power amplifier inductance
Matrix is constituted using the first magnetic core and the second magnetic core assembly, spiral winding is arranged between the first magnetic core and the second magnetic core, knot
Structure is simple, and the assembling process in production is very convenient quick, improves the production efficiency of product.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of digital power amplifier inductance, improves it
Be in: including the first magnetic core, the second magnetic core and spiral winding；
First magnetic core is identical as the structure of the second magnetic core, and the side of the first magnetic core is fitted in the side of the second magnetic core
On；It is provided with spiral groove on the face that first magnetic core is bonded with the second magnetic core, and spiral groove is internally provided with pillar,
Each spiral groove has the entrance being communicated with the outside；
The spiral winding have spiral coil body and the first PIN pin that is connected in coil body and
2nd PIN pin, coil body have perforative through-hole, and the coil body of the spiral winding is arranged in the first magnetic core and second
In the spiral groove of magnetic core, the pillar on pillar and the second magnetic core on the first magnetic core is inserted into the through-hole of coil body, institute
The first PIN pin stated is pierced by from the entrance of the first magnetic core, and the 2nd PIN pin is from the entrance of the second magnetic core
It is pierced by.
In such a configuration, the digital power amplifier inductance further includes bakelite bottom plate, which is fixed on first
On magnetic core and the second magnetic core, by the entrance of the entrance of the first magnetic core and the second magnetic core close, the first PIN pin and
2nd PIN pin is passed through from bakelite bottom plate.
In such a configuration, first magnetic core and the second magnetic core are manganese-zinc ferrite core.
In such a configuration, mark point is provided on the outer surface of first magnetic core or the second magnetic core.
The beneficial effects of the utility model are: such digital power amplifier inductance of the utility model, identical by two structures
First magnetic core and the second magnetic core assembly are formed, and the first magnetic core and the second magnetic core need to only be reduced in production using one set of die
The expense manufactured；The first magnetic core is buckled on the second magnetic core in assembling, spiral winding is placed on the first magnetic core and the
Between two magnetic cores, structure is simple, and the assembling process in production is very convenient quick, improves the production efficiency of product.
Detailed description of the invention
Fig. 1 is a kind of positive structure schematic of digital power amplifier inductance of the utility model.
Fig. 2 is a kind of side structure schematic diagram of digital power amplifier inductance of the utility model.
Fig. 3 is a kind of schematic diagram of internal structure of the first magnetic core of digital power amplifier inductance of the utility model.
Fig. 4 is a kind of structural schematic diagram of the spiral winding of digital power amplifier inductance of the utility model.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and examples.
It is carried out below with reference to technical effect of the embodiment and attached drawing to the design of the utility model, specific structure and generation
It clearly and completely describes, to be completely understood by the purpose of this utility model, feature and effect.Obviously, described embodiment
It is a part of the embodiment of the utility model, rather than whole embodiments, it is based on the embodiments of the present invention, the skill of this field
Art personnel other embodiments obtained without creative efforts belong to the model of the utility model protection
It encloses.In addition, all connection/connection relationships being related in patent, not singly refer to that component directly connects, and referring to can be according to specific
Performance, by adding or reducing couple auxiliary, to form more preferably coupling structure.Each skill in the utility model creation
Art feature, can be with combination of interactions under the premise of not conflicting conflict.
Referring to figs. 1 to 4, the utility model discloses a kind of digital power amplifier inductance, specifically, the digital power amplifier is electric
Sense includes the first magnetic core 10, the second magnetic core 20 and spiral winding 30, and first magnetic core 10 and the second magnetic core 20 are manganese
Zn ferrite magnetic core.First magnetic core 10 is identical as the structure of the second magnetic core 20, and the side of the first magnetic core 10 is fitted in second
On the side of magnetic core 20；Spiral groove 101, and spiral are provided on the face that first magnetic core 10 is bonded with the second magnetic core 20
Groove 101 is internally provided with pillar 102, and each spiral groove 101 has the entrance 103 being communicated with the outside；The spiral shell
Spin line circle 30 has spiral the first PIN pin 302 and second coil body 301 and be connected in coil body 301
PIN pin 303, coil body 301 have perforative through-hole, and the coil body 301 of the spiral winding 30 is arranged in the first magnetic
The pillar 102 on pillar 102 and the second magnetic core 20 in the spiral groove 101 of core 10 and the second magnetic core 20, on the first magnetic core 10
It being inserted into the through-hole of coil body 301, the first PIN pin 302 is pierced by from the entrance 103 of the first magnetic core 10,
The 2nd PIN pin 303 is pierced by from the entrance 103 of the second magnetic core 20.
Further, the digital power amplifier inductance further includes bakelite bottom plate 40, which is fixed on the first magnetic
On core 10 and the second magnetic core 20, the entrance 103 of the entrance 103 of the first magnetic core 10 and the second magnetic core 20 is closed, it is described
First PIN pin 302 and the 2nd PIN pin 303 are passed through from bakelite bottom plate 40.In addition, in order to the digital power amplifier inductance
Front and back sides distinguish, and are provided with mark point 104 on the outer surface of first magnetic core 10, and certainly, which can also be with
It is arranged on the outer surface of the second magnetic core 20.
Such digital power amplifier inductance of the utility model is spelled by identical first magnetic core 10 of two structures and the second magnetic core 20
Dress formation, the first magnetic core 10 and the second magnetic core 20 need to only use one set of die in production, reduce the expense of the manufacturing；
The first magnetic core 10 is buckled on the second magnetic core 20 in assembling, spiral winding 30 be placed on the first magnetic core 10 and the second magnetic core 20 it
Between, structure is simple, and the assembling process in production is very convenient quick, improves the production efficiency of product.
It is to be illustrated to the preferable implementation of the utility model, but the utility model creation is not limited to institute above
Embodiment is stated, those skilled in the art can also make various be equal without departing from the spirit of the present invention
Deformation or replacement, these equivalent deformations or replacement are all included in the scope defined by the claims of the present application.
Claims (4)
1. a kind of digital power amplifier inductance, it is characterised in that: including the first magnetic core, the second magnetic core and spiral winding；
First magnetic core is identical as the structure of the second magnetic core, and the side of the first magnetic core is fitted on the side of the second magnetic core；Institute
It states and is provided with spiral groove on the face that the first magnetic core is bonded with the second magnetic core, and spiral groove is internally provided with pillar, each
Spiral groove has the entrance being communicated with the outside；
The spiral winding has spiral coil body and the first PIN pin that is connected in coil body and the
Two PIN pins, coil body have perforative through-hole, and the coil body of the spiral winding is arranged in the first magnetic core and the second magnetic
In the spiral groove of core, the pillar on pillar and the second magnetic core on the first magnetic core is inserted into the through-hole of coil body, described
The first PIN pin be pierced by from the entrance of the first magnetic core, the 2nd PIN pin is worn from the entrance of the second magnetic core
Out.
2. a kind of digital power amplifier inductance according to claim 1, it is characterised in that: the digital power amplifier inductance further includes
Bakelite bottom plate, the bakelite bottom plate are fixed on the first magnetic core and the second magnetic core, by the entrance of the first magnetic core and the second magnetic core
Entrance closing, the first PIN pin and the 2nd PIN pin are passed through from bakelite bottom plate.
3. a kind of digital power amplifier inductance according to claim 1, it is characterised in that: first magnetic core and the second magnetic core
It is manganese-zinc ferrite core.
4. a kind of digital power amplifier inductance according to claim 1, it is characterised in that: first magnetic core or the second magnetic core
Mark point is provided on outer surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821093402.0U CN208422613U (en) | 2018-07-11 | 2018-07-11 | A kind of digital power amplifier inductance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821093402.0U CN208422613U (en) | 2018-07-11 | 2018-07-11 | A kind of digital power amplifier inductance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208422613U true CN208422613U (en) | 2019-01-22 |
Family
ID=65125902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821093402.0U Active CN208422613U (en) | 2018-07-11 | 2018-07-11 | A kind of digital power amplifier inductance |
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| Country | Link |
|---|---|
| CN (1) | CN208422613U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109841376A (en) * | 2019-03-22 | 2019-06-04 | 深圳供电局有限公司 | Current transformer and marking method thereof |
-
2018
- 2018-07-11 CN CN201821093402.0U patent/CN208422613U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109841376A (en) * | 2019-03-22 | 2019-06-04 | 深圳供电局有限公司 | Current transformer and marking method thereof |
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Address after: 518000 room 1101-1105, building 6, Hengda fashion Huigu building (East District), Fulong Road, Henglang community, Dalang street, Longhua District, Shenzhen, Guangdong Patentee after: Cenke Technology (Shenzhen) Group Co.,Ltd. Address before: 518000 1st floor (production) and 2nd floor (Office) of building C, jinbolong Industrial Park, Qingquan Road, Longhua street, Longhua District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN CENKER ENTERPRISE Ltd. |
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| CP03 | Change of name, title or address |