CN205230784U - Inductor with heat radiation structure and anti -electromagnetic interference can reinforces - Google Patents
Inductor with heat radiation structure and anti -electromagnetic interference can reinforces Download PDFInfo
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- CN205230784U CN205230784U CN201521085816.5U CN201521085816U CN205230784U CN 205230784 U CN205230784 U CN 205230784U CN 201521085816 U CN201521085816 U CN 201521085816U CN 205230784 U CN205230784 U CN 205230784U
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- drum
- magnetic core
- hole
- core array
- inductor
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Abstract
The utility model relates to an inductor with heat radiation structure and anti -electromagnetic interference can reinforces, it includes metallic shield cover, magnetic core and inductance coils, and metallic shield covers by barrel -shaped member, goes up lid and lower cover body group one -tenth, and forms a cavity, upward has last through -hole on the lid, has lower through -hole on the lower lid, and upward the through -hole is coaxial with lower through -hole, the inductance coils winding sets up with magnetic core is common in magnetic core's the outside in the cavity, the filling has the casting glue that injects into in the cavity under the vacuum state, between magnetic core's upper end and last through -hole and magnetic core's lower extreme set up the shield ring under and between the through -hole respectively. Because the casting glue fills under the vacuum state to improve the heat conductivility of casting glue greatly, utilized simultaneously on the casting glue passes to barrel -shaped member with the heat, distributed away the heat by barrel -shaped member again, made whole inductor possess good heat dispersion, anti -electromagnetic interference that the setting up of shield ring made the inductor can the reinforce, and job stabilization nature is high.
Description
Technical field
The utility model relates to inductance element technical field, particularly relates to a kind ofly having radiator structure and the strong inductor of anti-electromagnetic interference capability.
Background technology
Inductor is also called inductance coil, and sometimes also referred to as reactor or choke, be one of primary element of composition electronic circuit, it is used among a series of widely application of such as signal transacting, noise filtering, generating, electrical transmission system and so on.
Existing inductor, generally includes inductance coil, metallic shield and magnetic core, and inductance coil is wrapped in outside magnetic core, and metallic shield is coated on the outside of inductance coil, and two lead terminals of inductance coil stretch out outside metallic shield and external electrical connections.This inductor has following shortcoming: 1, because this metallic shield is that embedding is shaping under non-vacuum, so the inside of metallic shield can be caused to there is a little bubble, and this bubble can its radiating effect serious, causes heat dispersion to decline.2, inductor in circuit actual energising work time, magnetic field can be produced around magnetic, and and can electromagnetic interference be produced between electronic component around, inductor produces electromagnetic interference to exterior electrical components, electromagnetic interference is also caused to inductor in the magnetic field that exterior electrical components produces simultaneously, makes both poor work stability.
Utility model content
For the problems referred to above that prior art exists, the purpose of this utility model is to provide a kind of good heat dissipation effect, can also the inductor of shield electromagnetic interference.
For achieving the above object, the utility model adopts following technical scheme: a kind of have radiator structure and the strong inductor of anti-electromagnetic interference capability, comprise metallic shield, magnetic core array and inductance coil, it is characterized in that: described metallic shield is made up of drum, upper cover body and lower cover, wherein upper cover body has upper through hole, lower cover has lower through-hole, upper through hole and lower through-hole coaxial;
Described upper cover body is located in drum, and is positioned at the top of drum, upper cover body and drum tight fit, and lower cover is located in drum, and is positioned at the bottom of drum, lower cover and drum tight fit; Upper cover body, drum and lower cover form airtight cavity;
Described magnetic core array is column construction, and magnetic core array is arranged in described cavity, and the upper end of magnetic core array and upper through hole tight fit, the lower end of magnetic core array and lower through-hole tight fit;
Described inductance coil is wrapped in the outside of magnetic core array, is co-located in described cavity with magnetic core array;
The casting glue injected under vacuum conditions is filled with in described cavity;
Between the upper end of magnetic core array and upper through hole and between the lower end of magnetic core array and lower through-hole, shading ring is set respectively;
The lateral wall of described drum has many radiating grooves, many radiating grooves are axially arranged along drum, the lateral wall of drum is also provided with left and right installing rack, left installing rack offers left bayonet socket, right installing rack offers right bayonet socket.
As optimization, described left and right installing rack and drum are integral type cast aluminium forming.
Relative to prior art, the utility model tool has the following advantages: because casting glue pours under vacuum conditions, so make casting glue inside not containing bubble, thus substantially increase the heat conductivility of casting glue, utilize casting glue to pass in drum by heat simultaneously, by drum, heat is distributed again, make whole inductor possess good heat dispersion.The setting of shading ring makes the anti-electromagnetic interference capability of inductor strong, and job stability is high.
Accompanying drawing explanation
Fig. 1 is the signal exploded view of the utility model inductor structure.
Fig. 2 is the cutaway view after each parts of the utility model inductor are installed.
Fig. 3 is the structural representation of drum.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
In description of the present utility model, it will be appreciated that, term " on ", the orientation of the instruction such as D score, "left", "right" or position relationship be based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
See Fig. 1 to Fig. 3, a kind of have radiator structure and the strong inductor of anti-electromagnetic interference capability, comprise metallic shield, magnetic core array 20 and inductance coil 30, described metallic shield is made up of drum 11, upper cover body 13 and lower cover 15, wherein upper cover body 13 has upper through hole 13a, lower cover 15 has lower through-hole 15a, upper through hole 13a and lower through-hole 15a is coaxial;
Upper cover body 13 is located in drum 11, and is positioned at the top of drum 11, upper cover body 13 and drum 11 tight fit, and lower cover 15 is located in drum 11, and is positioned at the bottom of drum 11, lower cover 15 and drum 11 tight fit; Upper cover body 13, drum 11 and lower cover 15 form airtight cavity.
Magnetic core array 20 is column construction, and magnetic core array 20 is arranged in described cavity, and the upper end of magnetic core array 20 and upper through hole 13a tight fit, the lower end of magnetic core array 20 and lower through-hole 15a tight fit.
Inductance coil 30 is wrapped in the outside of magnetic core array 20, is co-located in institute's cavity with magnetic core array 20;
The casting glue injected under vacuum conditions is filled with in described cavity; By carrying out embedding under vacuum conditions in cavity, the generation of bubble can be avoided, thus substantially increase the heat conductivility of casting glue, utilize casting glue to be passed to by heat in drum 11 simultaneously, by drum 11, heat is distributed again, make whole inductor possess good heat dispersion.
Between the upper end of magnetic core array 20 and upper through hole 13a and between the lower end of magnetic core array 20 and lower through-hole 15a, shading ring 40 is set respectively; Inductor is when the work of energising, produce magnetic field around magnetic can mask by part conductively-closed ring, reduce the leakage field phenomenon of inductor, shading ring not only reduces the magnetic field that inductor produces around it, greatly reduce the interference that exterior electrical components is produced, the magnetic field simultaneously decreasing exterior electrical components generation is to the electromagnetic interference phenomenon of inductor, and make the anti-electromagnetic interference capability of inductor strong, job stability is high.
Inductance coil 30 adopts the enamel covered wire coiling of multi cord, the big current of inductor can be realized like this, it has two exits, and described each exit cover has Teflon sleeve pipe, and one end of described Teflon sleeve pipe extends the wicking root of the enamel covered wire of described multi cord;
Furtulon sleeve pipe has the effect of high temperature resistant, high insulation, it is extended wicking root and can ensure the isolation of inductor when complete machine.
The length that Teflon sleeve pipe stretches into the enamel covered wire of multi cord is 5mm ~ 10mm, effectively can ensure that Teflon sleeve pipe does not come off.
During concrete enforcement, two exits of inductance coil can be drawn from upper through hole 13a, lower through-hole 15a, also can draw from the sidewall of drum 11.
The lateral wall of described drum 11 has many radiating groove 11a, many radiating groove 11a are axially arranged along drum 11, and the setting of radiating groove 11a adds the area of dissipation of drum 11 lateral wall, makes the speed of distributing of heat faster.
The lateral wall of drum 11 is also provided with left and right installing rack 12,14, left installing rack offers left bayonet socket 12a, right installing rack offers right bayonet socket 14a; Left and right installing rack 12,14 and drum 11 are integral type cast aluminium forming.This not only increases the bonding strength between left and right installing rack 12,14 and drum 11, but also simplifies technique and installation process.
What finally illustrate is, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not departing from aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (2)
1. one kind has radiator structure and the strong inductor of anti-electromagnetic interference capability, comprise metallic shield, magnetic core array (20) and inductance coil (30), it is characterized in that: described metallic shield is made up of drum (11), upper cover body (13) and lower cover (15), wherein upper cover body (13) has upper through hole (13a), lower cover (15) has lower through-hole (15a), upper through hole (13a) and lower through-hole (15a) are coaxially;
Described upper cover body (13) is located in drum (11), and be positioned at the top of drum (11), upper cover body (13) and drum (11) tight fit, lower cover (15) is located in drum (11), and be positioned at the bottom of drum (11), lower cover (15) and drum (11) tight fit; Upper cover body (13), drum (11) and lower cover (15) form airtight cavity;
Described magnetic core array (20) is column construction, and magnetic core array (20) is arranged in described cavity, and the upper end of magnetic core array (20) and upper through hole (13a) tight fit, the lower end of magnetic core array (20) and lower through-hole (15a) tight fit;
Described inductance coil (30) is wrapped in the outside of magnetic core array (20), is co-located in described cavity with magnetic core array (20);
The casting glue injected under vacuum conditions is filled with in described cavity;
Between the upper end of magnetic core array (20) and upper through hole (13a) and between the lower end of magnetic core array (20) and lower through-hole (15a), shading ring (40) is set respectively;
The lateral wall of described drum (11) have many radiating grooves (11a), many radiating groove (11a) is axially arranged along drum (11), the lateral wall of drum (11) is also provided with left and right installing rack (12,14), left installing rack offers left bayonet socket (12a), right installing rack offers right bayonet socket (14a).
2. as claimed in claim 1 there is radiator structure and the strong inductor of anti-electromagnetic interference capability, it is characterized in that: described left and right installing rack (12,14) and drum (11) are integral type cast aluminium forming.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521085816.5U CN205230784U (en) | 2015-12-24 | 2015-12-24 | Inductor with heat radiation structure and anti -electromagnetic interference can reinforces |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521085816.5U CN205230784U (en) | 2015-12-24 | 2015-12-24 | Inductor with heat radiation structure and anti -electromagnetic interference can reinforces |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205230784U true CN205230784U (en) | 2016-05-11 |
Family
ID=55905831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521085816.5U Expired - Fee Related CN205230784U (en) | 2015-12-24 | 2015-12-24 | Inductor with heat radiation structure and anti -electromagnetic interference can reinforces |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205230784U (en) |
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2015
- 2015-12-24 CN CN201521085816.5U patent/CN205230784U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20160511 Termination date: 20161224 |