CN213070780U - Combined power amplifier inductor - Google Patents
Combined power amplifier inductor Download PDFInfo
- Publication number
- CN213070780U CN213070780U CN202021573135.4U CN202021573135U CN213070780U CN 213070780 U CN213070780 U CN 213070780U CN 202021573135 U CN202021573135 U CN 202021573135U CN 213070780 U CN213070780 U CN 213070780U
- Authority
- CN
- China
- Prior art keywords
- magnetic core
- winding
- installation cavity
- base
- magnetic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000004804 winding Methods 0.000 claims abstract description 67
- 238000009434 installation Methods 0.000 claims abstract description 58
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 229910000859 α-Fe Inorganic materials 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000006978 adaptation Effects 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000002184 metal Substances 0.000 description 9
- 230000006872 improvement Effects 0.000 description 8
- 238000003466 welding Methods 0.000 description 7
- 230000007547 defect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Images
Landscapes
- Coils Or Transformers For Communication (AREA)
Abstract
The utility model discloses a modular power amplifier class inductance, the on-line screen storage device comprises a base, the magnetic core cap, first magnetic rod installation cavity, the second magnetic rod installation cavity, first magnetic core stick, second magnetic core stick, first winding and second winding, the both ends of first winding and second winding all have the connection and participate in, the hole of participating in of running through about seting up on the base, connect participate in insert correspond on the base participate in the hole, the inside embedding of base has the leg sheetmetal, the one end of leg sheetmetal extends to enter into participate in the hole and extend along participating in the hole lateral wall, the leg sheetmetal extends and extends along the base bottom surface from the base bottom, connect participate in insert behind the pin hole, it is located to participate in downthehole partial lateral wall with the leg sheetmetal and is connected and realize that the electrical property switches on to connect participate in the lateral wall. The combined power amplifier inductor has the advantages of simple structure, low assembly difficulty, low implementation cost, high production efficiency, good assembly precision, high product market competitiveness and the like, which are not possessed by the existing products.
Description
Technical Field
The utility model relates to an inductance, especially a modular power amplifier class inductance.
Background
The power amplifier inductor is an electronic component commonly used in various audio products, and is widely applied.
The existing power amplifier inductor has the technical defects of complex structure, multiple production and organization steps, poor assembly and positioning precision and the like due to the structural and design limitations, and the performance of the inductor is seriously influenced; in addition, the existing power amplifier inductor has a complex structure, so that the production efficiency is low, the labor cost is high, the automation degree is low, and the market competitiveness of the product is further low.
In view of the above, the present invention provides a new technical solution to solve the existing technical drawbacks.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough of prior art, the utility model provides a modular power amplifier class inductance has solved technical defect such as current power amplifier class inductance structure complicacy, the assembly step is many, production efficiency is low, the cost of labor is high, the assembly precision is poor.
The utility model provides a technical scheme that its technical problem adopted is:
a combined power amplifier inductor comprises a base and a magnetic core cap fixed on the base, wherein the magnetic core cap is provided with a first magnetic bar installation cavity and a second magnetic bar installation cavity which extend upwards from the bottom, a first magnetic core bar and a second magnetic core bar are respectively installed in the first magnetic bar installation cavity and the second magnetic bar installation cavity, a first winding accommodated in the first magnetic bar installation cavity is sleeved outside the first magnetic core bar, a second winding accommodated in the second magnetic bar installation cavity is sleeved outside the second magnetic core bar, two ends of the first winding and the second winding are respectively provided with a connecting pin, the base is provided with a pin hole which penetrates through the base from top to bottom, the connecting pin is inserted into a corresponding pin hole on the base, a welding pin metal sheet is embedded inside the base, one end of the welding pin metal sheet extends into the pin hole and extends along the side wall of the pin hole, the welding pin metal sheet extends out of the bottom of the base and extends along the bottom surface of the base, after the connecting pins are inserted into the pin holes, the side walls of the connecting pins are connected with the partial side walls of the welding pin metal sheets in the pin holes, and electric conduction is realized.
As an improvement of the above technical scheme, the inside side walls of the first magnetic rod installation cavity and the second magnetic rod installation cavity are provided with magnetic rod sliding grooves, the width of each magnetic rod sliding groove is the same as the diameter of the first magnetic core rod and the diameter of the second magnetic core rod, the top of each magnetic rod sliding groove is provided with an arc-shaped wall surface, the arc-shaped wall surfaces are matched with the circumferential side walls at the two ends of the first magnetic core rod and the second magnetic core rod, and the end side walls of the first magnetic core rod and the second magnetic core rod are abutted against the arc-shaped wall surfaces.
As a further improvement of the above technical solution, the top walls of the first magnetic bar installation cavity and the second magnetic bar installation cavity are arc top walls, the arc top walls are adapted to the outer wall surfaces of the first winding or the second winding, the upper side wall of the first winding abuts against the arc top wall of the first magnetic bar installation cavity, and the upper side wall of the second winding abuts against the arc top wall of the second magnetic bar installation cavity.
As a further improvement of the above technical scheme, the base has a first positioning boss and a second positioning boss extending upward from an upper wall surface thereof, cross-sectional dimensions of the first positioning boss and the second positioning boss are respectively matched with mouth dimensions of the first magnetic rod mounting cavity and the second magnetic rod mounting cavity, the first positioning boss extends into the first magnetic rod mounting cavity, and the second positioning boss extends into the second magnetic rod mounting cavity to realize mutual positioning of the base and the magnetic core cap.
As a further improvement of the above technical solution, the upper surfaces of the first positioning boss and the second positioning boss extend upward to form a first supporting boss and a second supporting boss, respectively, the top of the first supporting boss is supported at the bottom of the first winding, and the top of the second supporting boss is supported at the bottom of the second winding.
As a further improvement of the above technical solution, the top of the first support boss has a first arc-shaped support surface and is supported at the bottom of the first winding by the first arc-shaped support surface, and the top of the second support boss has a second arc-shaped support surface and is supported at the bottom of the second winding by the second arc-shaped support surface.
As a further improvement of the above technical solution, the upper surfaces of the first arc-shaped supporting surface and the second arc-shaped supporting surface are both provided with flexible supporting spacers.
As a further improvement of the above technical solution, the first winding and the second winding both have an internal through channel, the first magnetic core rod is inserted in the internal through channel of the first winding, and the second magnetic core rod is inserted in the internal through channel of the second winding.
As a further improvement of the above technical solution, the magnetic core cap, the first magnetic core rod and the second magnetic core rod are all ferrite magnetic cores, and the bottom of the magnetic core cap is bonded to the base through epoxy resin.
The utility model has the advantages that: the utility model provides a combined power amplifier inductor, which assembles a first magnetic core rod and a second magnetic core rod into a first magnetic rod installation cavity and a second magnetic rod installation cavity of a magnetic core cap respectively, can realize quick assembly and high-precision assembly, avoids the condition that two magnetic core rods in the existing product are not aligned, and further improves the performance of the inductor; in addition, the assembly of this kind of combined power amplifier class inductance is comparatively simple, can greatly promote production efficiency, reduces the cost of labor, saves time, improves the market competition of product.
In conclusion, the combined power amplifier inductor overcomes the technical defects of complex structure, multiple assembling steps, low production efficiency, high labor cost, poor assembling precision and the like of the conventional power amplifier inductor.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a schematic assembly view of the present invention;
fig. 2 is a schematic view of the assembly of the base, the first winding and the second winding according to the present invention;
fig. 3 is a schematic view of the internal structure of the magnetic core cap and the base after being assembled.
Detailed Description
The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the connection/connection relations referred to in the patent do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection auxiliary components according to specific implementation conditions. The technical features of the present invention can be combined interactively without conflicting with each other, as shown in fig. 1-3.
A combined power amplifier inductor comprises a base 1 and a magnetic core cap 2 fixed on the base 1, wherein the magnetic core cap 2 is provided with a first magnetic rod installation cavity 21 and a second magnetic rod installation cavity 22 extending upwards from the bottom, a first magnetic core rod 31 and a second magnetic core rod 32 are respectively installed in the first magnetic rod installation cavity 21 and the second magnetic rod installation cavity 22, a first winding 41 accommodated in the first magnetic rod installation cavity 21 is sleeved outside the first magnetic core rod 31, a second winding 42 accommodated in the second magnetic rod installation cavity 22 is sleeved outside the second magnetic core rod 32, two ends of the first winding 41 and the second winding 42 are respectively provided with a connecting pin 401, the base 1 is provided with a pin hole 101 penetrating up and down, the connecting pin 401 is inserted into the corresponding pin hole 101 on the base 1, a welding pin metal sheet 5 is embedded in the base 1, one end of the welding pin metal sheet 5 extends into the pin hole 101 and extends along the side wall of the pin hole 101, the soldering foot metal sheet 5 extends from the bottom of the base 1 and extends along the bottom surface of the base 1, after the connecting pin 401 is inserted into the pin hole 101, the side wall of the connecting pin 401 is connected with the part of the side wall of the soldering foot metal sheet 5 located in the pin hole 101, and electric conduction is realized.
Preferably, the magnetic rod sliding grooves 201 are formed in the inner side walls of the first magnetic rod installation cavity 21 and the second magnetic rod installation cavity 22, the width of each magnetic rod sliding groove 201 is the same as the diameter of each first magnetic core rod 31 and the diameter of each second magnetic core rod 32, the top of each magnetic rod sliding groove 201 is provided with an arc-shaped wall surface 202, each arc-shaped wall surface 202 is matched with the circumferential side walls at the two ends of each first magnetic core rod 31 and each second magnetic core rod 32, and the end side walls of each first magnetic core rod 31 and each second magnetic core rod 32 abut against the corresponding arc-shaped wall surface 202.
Preferably, the top walls of the first magnetic rod installation cavity 21 and the second magnetic rod installation cavity 22 are arc top walls 203, the arc top walls 203 are adapted to the outer wall surfaces of the first winding 41 or the second winding 42, the upper side wall of the first winding 41 abuts against the arc top wall 203 of the first magnetic rod installation cavity 21, and the upper side wall of the second winding 42 abuts against the arc top wall 203 of the second magnetic rod installation cavity 22.
Preferably, the base 1 has a first positioning boss 11 and a second positioning boss 12 extending upward from an upper wall surface thereof, cross-sectional dimensions of the first positioning boss 11 and the second positioning boss 12 are respectively matched with mouth dimensions of the first magnetic rod installation cavity 21 and the second magnetic rod installation cavity 22, the first positioning boss 11 extends into the first magnetic rod installation cavity 21, and the second positioning boss 12 extends into the second magnetic rod installation cavity 22 to realize mutual positioning of the base 1 and the magnetic core cap 2.
Preferably, the upper surfaces of the first positioning boss 11 and the second positioning boss 12 extend upward to form a first supporting boss 13 and a second supporting boss 14, respectively, the top of the first supporting boss 13 is supported at the bottom of the first winding 41, and the top of the second supporting boss 14 is supported at the bottom of the second winding 42.
Preferably, the top of the first support boss 13 has a first arc-shaped support surface and is supported at the bottom of the first winding 41 by the first arc-shaped support surface, and the top of the second support boss 14 has a second arc-shaped support surface and is supported at the bottom of the second winding 42 by the second arc-shaped support surface.
Preferably, the upper surfaces of the first arc-shaped supporting surface and the second arc-shaped supporting surface are both provided with flexible supporting gaskets.
Preferably, the first winding 41 and the second winding 42 each have an inner through channel, the first magnetic core rod 31 is inserted into the inner through channel of the first winding 41, and the second magnetic core rod 32 is inserted into the inner through channel of the second winding 42.
Preferably, the magnetic core cap 2, the first magnetic core rod 31 and the second magnetic core rod 32 are ferrite magnetic cores, and the bottom of the magnetic core cap 2 is bonded to the base 1 through epoxy resin.
In the specific implementation of the present invention, first, the first winding 41 and the second winding 42 are respectively sleeved on the first magnetic core rod 31 and the second magnetic core rod 32; further, the first core rod 31 to which the first winding 41 is fitted and the second core rod 32 to which the second winding 42 is fitted are fitted into the first rod magnet mounting cavity 21 and the second rod magnet mounting cavity 22, respectively;
in the process that the first magnetic core rod 31 and the second magnetic core rod 32 are respectively installed in the first magnetic rod installation cavity 21 and the second magnetic rod installation cavity 22, the first magnetic core rod 31 slides into the first magnetic rod installation cavity 21 along the magnetic rod sliding groove 201 on the inner side wall in the first magnetic rod installation cavity 21, after the first magnetic core rod 31 is installed in place, the circumferential edges of two ends of the first magnetic core rod 31 abut against the arc-shaped wall surface 202 to realize the positioning of the magnetic core rod, and meanwhile, the upper wall surface of the first winding 41 abuts against the arc-shaped top wall 203 in the first magnetic rod installation cavity 21; similarly, the second magnetic core rod 32 slides into the second magnetic rod installation cavity 22 along the inner side wall magnetic rod sliding groove 201 in the second magnetic rod installation cavity 22, after the second magnetic core rod 32 is installed in place, the two end peripheries of the second magnetic core rod 32 abut against the arc-shaped wall surface 202 to realize the positioning of the magnetic core rod, and simultaneously, the upper wall surface of the second winding 42 abuts against the arc-shaped top wall 203 in the second magnetic rod installation cavity 22;
after the magnetic core rod is installed in place, the base 1 and the magnetic core cap 2 are assembled with each other, and the connecting pins 401 on the first winding 41 and the second winding 42 are correspondingly inserted into the pin holes 101 of the base and are electrically connected with the welding pin metal sheets 5;
after base 1 and magnetic core stick 2 assemble each other and accomplish, first location boss 11 on the base 1, second location boss 12 inserts the first bar magnet installation cavity 21 of magnetic core cap 2 respectively, in the second bar magnet installation cavity 2, can realize the mutual location of base 1 and magnetic core cap 2, and simultaneously, first support boss 13 on the first location boss 11 supports first winding 41 bottom, second support boss 14 on the second location boss 12 supports second winding 42 bottom, and then provide sufficient support to first winding 41 and second winding 42, realize the winding, the accurate positioning of magnetic core stick.
While the preferred embodiments of the present invention have been described, the present invention is not limited to the above embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention as defined by the appended claims.
Claims (9)
1. The utility model provides a modular power amplifier class inductance which characterized in that: the magnetic core device comprises a base (1) and a magnetic core cap (2) fixed on the base (1), wherein the magnetic core cap (2) extends upwards from the bottom of the magnetic core cap to form a first magnetic rod installation cavity (21) and a second magnetic rod installation cavity (22), a first magnetic core rod (31) and a second magnetic core rod (32) are respectively installed in the first magnetic rod installation cavity (21) and the second magnetic rod installation cavity (22), a first winding (41) contained in the first magnetic rod installation cavity (21) is sleeved outside the first magnetic core rod (31), a second winding (42) contained in the second magnetic rod installation cavity (22) is sleeved outside the second magnetic core rod (32), connecting pins (401) are respectively arranged at two ends of the first winding (41) and the second winding (42), pin holes (101) penetrating through the base (1) from top to bottom are formed in the base (1), and the connecting pins (401) are inserted into corresponding pin holes (101) in the base (1), base (1) inside embedding has leg sheetmetal (5), the one end of leg sheetmetal (5) extends and enters into in participating in hole (101) and extends along pin hole (101) lateral wall, and leg sheetmetal (5) extend and extend along base (1) bottom surface from base (1), connect and participate in (401) and insert pin hole (101) back, connect and participate in (401) lateral wall and leg sheetmetal (5) and be located the partial lateral wall in pin hole (101) and be connected and realize that the electrical property switches on.
2. The combined power amplifier inductor according to claim 1, wherein: inside lateral wall bar magnet sliding groove (201) of first bar magnet installation cavity (21) and second bar magnet installation cavity (22), the width of bar magnet sliding groove (201) is the same with the diameter of first magnetic core stick (31), second magnetic core stick (32), and the top of bar magnet sliding groove (201) has arc wall (202), the circumference lateral wall at the first magnetic core stick (31) of arc wall (202) adaptation and second magnetic core stick (32) both ends, the tip lateral wall of first magnetic core stick (31) and second magnetic core stick (32) support and lean on arc wall (202) department.
3. The combined power amplifier inductor according to claim 1, wherein: the roof of first bar magnet installation cavity (21) and second bar magnet installation cavity (22) is circular arc roof (203), circular arc roof (203) adaptation first winding (41) or second winding (42) outer wall, the last lateral wall of first winding (41) supports and leans on circular arc roof (203) to first bar magnet installation cavity (21), the last lateral wall of second winding (42) supports and leans on circular arc roof (203) to second bar magnet installation cavity (22).
4. The combined power amplifier inductor according to claim 1, wherein: base (1) has first location boss (11) and second location boss (12) by its upper wall upwards extension, the cross sectional dimension of first location boss (11) and second location boss (12) matches respectively the oral area size of first bar magnet installation cavity (21) and second bar magnet installation cavity (22), first location boss (11) stretch into in first bar magnet installation cavity (21) just second location boss (12) stretch into in second bar magnet installation cavity (22) in order to realize mutual location of base (1) and magnetic core cap (2).
5. The combined power amplifier inductor according to claim 4, wherein: first location boss (11) and second location boss (12) upper surface upwards extend respectively and have first support boss (13) and second support boss (14), first support boss (13) top is supported in first winding (41) bottom, second support boss (14) top is supported in second winding (42) bottom.
6. The combined power amplifier inductor according to claim 5, wherein: the top of the first support boss (13) is provided with a first arc-shaped support surface and supported at the bottom of the first winding (41) through the first arc-shaped support surface, and the top of the second support boss (14) is provided with a second arc-shaped support surface and supported at the bottom of the second winding (42) through the second arc-shaped support surface.
7. The combined power amplifier inductor according to claim 6, wherein: the upper surfaces of the first arc-shaped supporting surface and the second arc-shaped supporting surface are both provided with flexible supporting gaskets.
8. The combined power amplifier inductor according to claim 1, wherein: the first winding (41) and the second winding (42) are provided with inner through channels, the first magnetic core rod (31) penetrates through the inner through channel of the first winding (41), and the second magnetic core rod (32) penetrates through the inner through channel of the second winding (42).
9. The combined power amplifier inductor according to claim 1, wherein: the magnetic core cap (2), the first magnetic core rod (31) and the second magnetic core rod (32) are ferrite magnetic cores, and the bottom of the magnetic core cap (2) is bonded with the base (1) through epoxy resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021573135.4U CN213070780U (en) | 2020-07-31 | 2020-07-31 | Combined power amplifier inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021573135.4U CN213070780U (en) | 2020-07-31 | 2020-07-31 | Combined power amplifier inductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213070780U true CN213070780U (en) | 2021-04-27 |
Family
ID=75579632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021573135.4U Expired - Fee Related CN213070780U (en) | 2020-07-31 | 2020-07-31 | Combined power amplifier inductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213070780U (en) |
-
2020
- 2020-07-31 CN CN202021573135.4U patent/CN213070780U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101501791A (en) | Self-leaded surface mount inductors and methods | |
| CN213070780U (en) | Combined power amplifier inductor | |
| CN111477425A (en) | Pin embedded exposed inductance element capable of realizing microminiaturization | |
| CN211427963U (en) | Common-differential-mode integrated inductor convenient for automatic processing | |
| CN210123923U (en) | Motor wire outlet structure | |
| CN111899966A (en) | Transformer easy to produce and manufacture and manufacturing method thereof | |
| CN103093940A (en) | Power transformer plug and assembly method thereof | |
| CN115775677A (en) | High-performance and high-quality integrated inductance element and production process thereof | |
| CN212161444U (en) | Pin embedded exposed inductance element capable of realizing microminiaturization | |
| CN215119307U (en) | Copper-plated self-buckled wiring iron sleeve terminal of circuit board | |
| CN209822427U (en) | Gas ignition coil for vehicle | |
| CN210296091U (en) | Compact inductor for class-D power amplifier | |
| CN201117904Y (en) | Micro-miniature electric connector counter bore base | |
| CN207097632U (en) | Pin-connected panel high-frequency transformer skeleton | |
| CN202948837U (en) | Installing mold of voltage and current transformer | |
| CN113782315B (en) | Split type insulating skeleton structure of rotary transformer | |
| CN220526705U (en) | Stitch fixing structure of current transformer and current transformer | |
| CN214848126U (en) | High-performance SMD paster inductance | |
| CN202479712U (en) | Resistance welding tube and air conditioner compressor utilizing same | |
| CN216353731U (en) | Small-size common mode inductor | |
| CN201303057Y (en) | Electrical connector | |
| CN218333395U (en) | Low-noise planar transformer | |
| CN201038890Y (en) | Motor end board connection pole structure | |
| CN213424794U (en) | Integrated double-layer inductor | |
| CN221531123U (en) | Leadless motor assembly capable of accurately inserting lead assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210427 |