CN209168855U - A kind of filter inductance - Google Patents
A kind of filter inductance Download PDFInfo
- Publication number
- CN209168855U CN209168855U CN201920009541.9U CN201920009541U CN209168855U CN 209168855 U CN209168855 U CN 209168855U CN 201920009541 U CN201920009541 U CN 201920009541U CN 209168855 U CN209168855 U CN 209168855U
- Authority
- CN
- China
- Prior art keywords
- pedestal
- magnetic core
- fixing groove
- filter inductance
- partition
- 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
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Abstract
The utility model discloses a kind of filter inductances, including pedestal, fixing groove is all provided at the corner location of the base top, and expansion wall is all evenly arranged on the inside of fixing groove, pin is all provided at the corner location of the base bottom, and the top of pin all extends to the inside of fixing groove, the middle position of the base top two sides is all provided with fixed plate, and the inside of fixed plate is all provided with sliding slot.The utility model is equipped with the main body of pedestal, U-shaped cover, fixed plate, magnetic core and coil composition, by between main body it is mutual card and, so that device is during damage, it is more convenient to dismantle installation and maintenance, improves the service life of device, and save use cost, the setting of fixed plate upper hopper chute, second partition on magnetic core can be limited, be used cooperatively with the extrusion structure of lateral spring in U-shaped cover, stripper plate composition, it is ensured that the stability of magnetic core.
Description
Technical field
The utility model relates to technical field of electronic devices, specially a kind of filter inductance.
Background technique
Filter inductance is one using ferrite as the common mode interference suppression device of magnetic core, it is identical by two sizes, the number of turns
Identical coil is symmetrically wound on the same ferrite toroidal magnetic core, forms a four-terminal device, be for common-mode signal
It is inhibited to show big inductance, in full-bridge inverter, output inductor is a critical element, due to filter
Wave inductance is widely used, therefore is widely produced, but traditional filter inductance is in process of production, removes and installs more
Inconvenience, filter inductance can not repair utilization after damage, reduce the service life of filter inductance, and increase use
Cost, simultaneously because the core length of filter inductance is different, traditional mounting assembly is only capable of pacifying the magnetic core of single length
It fills and fixed, practicability is poor, and in addition traditional filter inductance heat insulation is poor, and in filter inductance damage, heat is easy biography
It is delivered on wiring board, causes the damage of wiring board.
Utility model content
The purpose of this utility model is to provide a kind of filter inductances, to solve the problems mentioned in the above background technology.
To achieve the above object, the utility model provides the following technical solutions: a kind of filter inductance, including pedestal, described
It is all provided with fixing groove at the corner location of base top, and is all evenly arranged with expansion wall, the pedestal bottom on the inside of fixing groove
Pin is all provided at the corner location in portion, and the top of pin all extends to the inside of fixing groove, the base top two sides
Middle position be all provided with fixed plate, and the inside of fixed plate is all provided with sliding slot, the middle position of the base top
Place is all provided with magnetic core, and the both ends of magnetic core are all provided with first partition, and the middle position on the outside of the magnetic core is provided with the
Two partitions, and the two sides of second partition extend to the inside of sliding slot, the both ends on the outside of the magnetic core are all provided with coil, and coil
Both ends all extend to the inside of fixing groove, the both ends of the base top are all provided with card slot, and the both ends of pedestal are uniformly set
It is equipped with fixed bolt, the fixed bolt all extends to the inside of card slot, and U-shaped cover, and U are provided on the outside of the base top
The bottom end of type cover all extends to the inside of card slot, and the bottom at both ends is all hinged with stripper plate inside the U-shaped cover, and stripper plate is remote
Top from first partition side is all evenly arranged with spring, and the one end of the spring far from stripper plate, which is all fixed with U-shaped cover, to be connected
It connects.
Preferably, the bottom of the pedestal is evenly arranged with thermal insulation board, and thermal insulation board is provided with three groups.
Preferably, the middle position of the U-shaped cover inner tip is provided with rubber extruded block, and rubber extruded block and cunning
Slot it is of same size.
Preferably, the spring on the stripper plate is all provided with three groups, and the distance between adjacent springs are identical.
Preferably, the outside of the pin is all provided with protective jacket.
Preferably, the expansion wall inside the fixing groove is all provided with four groups, and the angle between adjacent expansion wall is
90°。
Compared with prior art, the utility model has the beneficial effects that the filter inductance is equipped with pedestal, U-shaped cover, fixation
The main body of plate, magnetic core and coil composition, and, so that device is during damage, disassembly is pacified by mutual card between main body
Dress and maintenance are more convenient, improve the service life of device, and save use cost, the setting of fixed plate upper hopper chute, energy
It is enough that second partition on magnetic core is limited, it is used cooperatively with the extrusion structure of lateral spring in U-shaped cover, stripper plate composition, really
The stability of magnetic core has been protected, and use can be fixed to the magnetic core of different length, has improved the practicability of device, pedestal bottom
The setting of portion's thermal insulation board can be avoided the transmitting of heat, prevent circuit board from damaging because of burning for device.
Detailed description of the invention
Fig. 1 is the main view schematic cross-sectional view of the utility model；
Fig. 2 is the schematic front view of the utility model；
Fig. 3 is the partial structural diagram of the utility model.
In figure: 1, pedestal；2, fixed bolt；3, U-shaped cover；4, stripper plate；5, spring；6, first partition；7, magnetic core；8, line
Circle；9, fixed plate；10, rubber extruded block；11, sliding slot；12, card slot；13, thermal insulation board；14, second partition；15, pin；16, solid
Determine slot；17, expansion wall.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1-3, a kind of embodiment provided by the utility model: a kind of filter inductance, including pedestal 1, pedestal 1 push up
Fixing groove 16 is all provided at the corner location in portion, and 16 inside of fixing groove is all evenly arranged with expansion wall 17,1 bottom of pedestal
Pin 15 is all provided at corner location, and the top of pin 15 all extends to the inside of fixing groove 16,1 top two sides of pedestal
Middle position is all provided with fixed plate 9, and the inside of fixed plate 9 is all provided with sliding slot 11, the middle position at 1 top of pedestal
It is all provided with magnetic core 7, and the both ends of magnetic core 7 are all provided with first partition 6, the middle position in 7 outside of magnetic core is provided with second
Partition 14, and the two sides of second partition 14 extend to the inside of sliding slot 11, the both ends in 7 outside of magnetic core are all provided with coil 8, and line
The both ends of circle 8 all extend to the inside of fixing groove 16, and the both ends at 1 top of pedestal are all provided with card slot 12, and the both ends of pedestal 1 are equal
Even to be provided with fixed bolt 2, fixed bolt 2 all extends to the inside of card slot 12, and the outside at 1 top of pedestal is provided with U-shaped cover 3,
And the bottom end of U-shaped cover 3 all extends to the inside of card slot 12, the bottom at 3 inside both ends of U-shaped cover is all hinged with stripper plate 4, and squeezes
Plate 4 is all evenly arranged with spring 5 far from the top of 6 side of first partition, and the one end of spring 5 far from stripper plate 4 all covers 3 with U-shaped
It is fixedly connected.
In this embodiment: the bottom of pedestal 1 is evenly arranged with thermal insulation board 13, and thermal insulation board 13 is provided with three groups, improves
The middle position of the heat insulation of device, 3 inner tips of U-shaped cover is provided with rubber extruded block 10, and rubber extruded block 10 with
Sliding slot 11 it is of same size, improve the stability of magnetic core 7, the spring 5 on stripper plate 4 is all provided with three groups, and adjacent springs 5
The distance between it is identical, improve the squeezing effect of stripper plate 4, the outside of pin 15 is all provided with protective jacket, avoids transporting
The askew folding of pin 15 in journey, the expansion wall 17 inside fixing groove 16 is all provided with four groups, and the angle between adjacent expansion wall 17 is
90 °, improve the stability connected between coil 8 and fixing groove 16.
Working principle: before installation, first partition 6 is separately fixed to the both ends of magnetic core 7, and second partition 14 is mounted on
The middle position in the outside of magnetic core 7, the outside of magnetic core 7 is distinguished, then respectively in the both ends wound around coil 8 in 7 outside of magnetic core,
After the winding of coil 8 is completed, it is placed on the top of pedestal 1, second partition 14 is limited by the sliding slot 11 of 9 inside of fixed plate
The line end of coil 8, then, is inserted respectively into the inside of fixing groove 16, by the expansion wall 17 inside fixing groove 16 to line by position
End carries out extruding fixation, and line end is connected to pin 15, and after the fixed completion of line end, the bottom end of U-shaped cover 3 is stuck in card slot 12
Portion, and fixed bolt 2 is tightened, U-shaped cover 3 is fixed, U-shaped cover 3 is during insertion, stripper plate 4 and first partition 6
Outside fitting, and spring 5 is squeezed, 5 deformation of spring squeezes first partition 6 by stripper plate 4, it is ensured that the stabilization of magnetic core 7,
After device is installed, installation on circuit boards, carries out energization use.
Although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art
Say, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic into
Row equivalent replacement, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all
It is included within the scope of protection of this utility model.
Claims (6)
1. a kind of filter inductance, including pedestal (1), it is characterised in that: be all provided at the corner location at the top of the pedestal (1)
Fixing groove (16), and be all evenly arranged with expansion wall (17) on the inside of fixing groove (16), at the corner location of pedestal (1) bottom
It is all provided with pin (15), and the top of pin (15) all extends to the inside of fixing groove (16), two sides at the top of the pedestal (1)
Middle position be all provided with fixed plate (9), and the inside of fixed plate (9) is all provided with sliding slot (11), pedestal (1) top
The middle position in portion is all provided with magnetic core (7), and the both ends of magnetic core (7) are all provided with first partition (6), the magnetic core (7)
The middle position in outside is provided with second partition (14), and the two sides of second partition (14) extend to the inside of sliding slot (11),
Both ends on the outside of the magnetic core (7) are all provided with coil (8), and the both ends of coil (8) all extend to the inside of fixing groove (16),
Both ends at the top of the pedestal (1) are all provided with card slot (12), and the both ends of pedestal (1) are evenly arranged with fixed bolt (2), institute
The inside that fixed bolt (2) all extends to card slot (12) is stated, the outside at the top of the pedestal (1) is provided with U-shaped cover (3), and U-shaped
The bottom end of cover (3) all extends to the inside of card slot (12), and the bottom at the U-shaped internal both ends of cover (3) is all hinged with stripper plate
(4), and stripper plate (4) is all evenly arranged with spring (5) far from the top of first partition (6) side, and the spring (5) is far from crowded
One end of pressing plate (4) is all fixedly connected with U-shaped cover (3).
2. a kind of filter inductance according to claim 1, it is characterised in that: the bottom of the pedestal (1) is evenly arranged with
Thermal insulation board (13), and thermal insulation board (13) is provided with three groups.
3. a kind of filter inductance according to claim 1, it is characterised in that: the interposition of described U-shaped cover (3) inner tip
The place of setting is provided with rubber extruded block (10), and rubber extruded block (10) and sliding slot (11) is of same size.
4. a kind of filter inductance according to claim 1, it is characterised in that: the spring (5) on the stripper plate (4) is all set
Three groups are equipped with, and the distance between adjacent springs (5) are identical.
5. a kind of filter inductance according to claim 1, it is characterised in that: the outside of the pin (15) is all provided with anti-
Sheath.
6. a kind of filter inductance according to claim 1, it is characterised in that: the internal expansion wall of the fixing groove (16)
(17) four groups are all provided with, and the angle between adjacent expansion wall (17) is 90 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920009541.9U CN209168855U (en) | 2019-01-04 | 2019-01-04 | A kind of filter inductance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920009541.9U CN209168855U (en) | 2019-01-04 | 2019-01-04 | A kind of filter inductance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209168855U true CN209168855U (en) | 2019-07-26 |
Family
ID=67328062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920009541.9U Expired - Fee Related CN209168855U (en) | 2019-01-04 | 2019-01-04 | A kind of filter inductance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209168855U (en) |
-
2019
- 2019-01-04 CN CN201920009541.9U patent/CN209168855U/en not_active Expired - Fee Related
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Legal Events
| 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: 20200104 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |