CN206301652U - A kind of low noise pitch energy storage inductor - Google Patents
A kind of low noise pitch energy storage inductor Download PDFInfo
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- CN206301652U CN206301652U CN201621450848.5U CN201621450848U CN206301652U CN 206301652 U CN206301652 U CN 206301652U CN 201621450848 U CN201621450848 U CN 201621450848U CN 206301652 U CN206301652 U CN 206301652U
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- magnetic core
- center pillar
- air gap
- energy storage
- guiding gutter
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Abstract
The utility model is related to electronic component field, and in particular to a kind of low noise pitch energy storage inductor, including two the first magnetic cores being oppositely arranged and the second magnetic core, the coil that is installed between the first magnetic core and the second magnetic core；Also include being arranged at the first center pillar of the first magnetic core and be arranged at the second center pillar of the second magnetic core, first center pillar and the second center pillar are oppositely arranged and form main air gap therebetween；Inclined on first magnetic core and offer the first air gap, inclined on second magnetic core and offer interstice, first air gap and interstice are parallel to each other；The inner bottom surface of first magnetic core offers the first guiding gutter for extending to and being connected with the first center pillar, and the inner bottom surface of second magnetic core offers the second guiding gutter for extending to and being connected with the second center pillar.The utility model is conducive to reduction air gap noise, high mechanical strength, energy storage big.
Description
Technical field
The utility model is related to electronic component field, more particularly to a kind of low noise pitch energy storage inductor.
Background technology
Inductor is the element that electric energy can be converted into magnetic energy and be stored.The structure of inductance similar to transformer,
But only one of which winding.Inductor has certain inductance, and it only hinders the change of electric current.If inductor is logical in no electric current
In the state of crossing, it will attempt to hinder electric current to flow through it when circuit is connected；If inductor is in the state of having electric current to pass through, electricity
It will attempt to maintain electric current constant when road disconnects.Inductor is also known as choke, reactor, dynamic reactor.
Inductor is typically made up of skeleton, winding, radome, encapsulating material, magnetic core etc., to prevent the hair of magnetic saturation phenomenon
Raw, existing magnetic core is typically all provided with rectangle air gap between two relative center pillars, and the presence of the rectangle air gap can be avoided
Magnetic saturation, reduction remanent magnetism, increase weber capacity, while magnetic circuit equivalent length can also be increased, and then increase energy storage, but rectangle gas
The presence of gap cause inductor overall mechanical strength it is low, connect it is unstable, so as to cause inductor to produce low-frequency vibration when working
Noise, sends noise or utters long and high-pitched sounds, and influences the performance of electrical equipment.
Utility model content
To solve the above problems, the utility model provides one kind and is conducive to reduction air gap noise, high mechanical strength, energy storage big
Low noise pitch energy storage inductor.
The technical scheme that the utility model is used is：A kind of low noise pitch energy storage inductor, including two be oppositely arranged
One magnetic core and the second magnetic core, the coil being installed between the first magnetic core and the second magnetic core；Also include being arranged at the of the first magnetic core
One center pillar and the second center pillar for being arranged at the second magnetic core, first center pillar and the second center pillar are oppositely arranged and are formed therebetween
Main air gap；Inclined on first magnetic core and offer the first air gap, inclined on second magnetic core and offer interstice, it is described
First air gap and interstice are parallel to each other；The inner bottom surface of first magnetic core offers for extending to and being connected with the first center pillar
One guiding gutter, the inner bottom surface of second magnetic core offers the second guiding gutter for extending to and being connected with the second center pillar, described first
Guiding gutter is communicated away from one end of the first center pillar with coil, and second guiding gutter is away from one end of the second center pillar and coil phase
It is logical, insulated paint is filled with inside first guiding gutter and the second guiding gutter.To being further improved to for above-mentioned technical proposal,
Hard ceramic piece is filled with the main air gap, the two ends of the hard ceramic piece are adhered in the first center pillar and second respectively
Post.
To being further improved to for above-mentioned technical proposal, first air gap and interstice are in quadrangle.
To being further improved to for above-mentioned technical proposal, the main air gap, the first air gap and interstice are width and are
The small air gap of 50um~80um.
It is also shockproof outside the first magnetic core and the second magnetic core including being sheathed on to being further improved to for above-mentioned technical proposal
Protective, the anti-vibration protected body includes first gum sleeve and the second gum sleeve of mutually splicing.
The beneficial effects of the utility model are：
1st, on the one hand, be increase energy storage, prevent magnetic saturation, the utility model is provided with three air gaps, positioned at the first center pillar and
Main air gap between second center pillar, inclination is opened in the first air gap on the first magnetic core, and inclination is opened in the on the second magnetic core
Two air gaps, a structure for rectangle air gap is only set relative to prior art between two center pillars, and three air gaps increased gas
The gross area of gap, can preferably prevent magnetic saturation, improve inductive energy storage, while reducing the area of main air gap, be conducive to reducing
Noise.Second aspect, the setting of the first guiding gutter and the second guiding gutter so that insulated paint can penetrate to the first magnetic core and the second magnetic
Core inner and coil inside, make the ectonexine of coil uniformly wrap up insulated paint, to strengthen the insulating capacity between coil, prevent short
Road, further increases inductive energy storage, meanwhile, insulated paint plays solidification to each parts of inductance, prevents each parts from shaking
Movable property gives birth to noise, is further conducive to reducing noise.
2nd, it is filled with hard ceramic piece in main air gap, the two ends of the hard ceramic piece are adhered to the first center pillar and the respectively
Two center pillars.On the one hand, the coefficient of expansion of hard ceramic piece is smaller, and the heat that the first magnetic core and the second magnetic core are produced is difficult to make hard
Potsherd is expanded, and the first magnetic core and the second magnetic core will not be made to ftracture, and can increase inductive energy storage, extends inductance service life.Second
Aspect, hard ceramic piece is filled in main air gap, can reduce inductance vibrations, is further conducive to reducing noise.
3rd, the first air gap and interstice are in quadrangle, and the magnetic line of force that coil is produced is uniformly distributed in the first magnetic core and the
Around two magnetic cores, magnetic line of force distributed effect preferably, is further conducive to increasing energy storage.
4th, main air gap, the first air gap and interstice be width be 50um~80um small air gap, relative to width compared with
Big big air gap, small air gap can more improve inductive energy storage, reduce air gap losses and noise.
5th, also include being sheathed on anti-vibration protected body outside the first magnetic core and the second magnetic core, using anti-vibration protected body, make the
The vibration major part that one magnetic core and the second magnetic core are produced is absorbed by anti-vibration protected body, is further conducive to reducing noise, meanwhile,
Anti-vibration protected body includes first gum sleeve and the second gum sleeve of mutually splicing, and gum sleeve damping property is more preferable, further
Be conducive to reducing noise.
Brief description of the drawings
Fig. 1 is front view of the present utility model；
Fig. 2 is top view of the present utility model.
Specific embodiment
The utility model is further described below in conjunction with accompanying drawing.
As depicted in figs. 1 and 2, front view respectively of the present utility model and top view.
A kind of low noise pitch energy storage inductor 100, including two the first magnetic cores 110 being oppositely arranged and the second magnetic core 120, installation
Coil 130 between the first magnetic core 110 and the second magnetic core 120；Also include being arranged at the first center pillar 140 of the first magnetic core 110
With the second center pillar 150 for being arranged at the second magnetic core 120, the center pillar 150 of first center pillar 140 and second is oppositely arranged and the two it
Between form main air gap 160；Inclined on first magnetic core 110 and offer the first air gap 111, inclined on second magnetic core 120
Interstice 121 is offered, first air gap 111 and interstice 121 are parallel to each other；The interior bottom of first magnetic core 110
Face offers the first guiding gutter 112 for extending to and being connected with the first center pillar 140, and the inner bottom surface of second magnetic core 120 is offered
The second guiding gutter 122 connected with the second center pillar 150 is extended to, first guiding gutter 112 is away from one end of the first center pillar 140
Communicated with coil 130, second guiding gutter 122 is communicated away from one end of the second center pillar 150 with coil 130, and described first leads
Insulated paint 190 is filled with inside the guiding gutter 122 of chute 112 and second.
Hard ceramic piece 170 is filled with main air gap 160, the two ends of the hard ceramic piece 170 are adhered to first respectively
The center pillar 150 of center pillar 140 and second.On the one hand, the coefficient of expansion of hard ceramic piece 170 is smaller, the first magnetic core 110 and the second magnetic core
120 heats for producing are difficult to expand hard ceramic piece 170, and the first magnetic core 110 and the second magnetic core 120 will not be made to ftracture, and can be increased
The energy storage of coilloading 100, extends the service life of inductance 100.Second aspect, hard ceramic piece 170 is filled in main air gap 160, energy
Reduce inductance 100 to shake, be further conducive to reducing noise.
First air gap 111 and interstice 121 are in quadrangle, and the magnetic line of force that coil 130 is produced is uniformly distributed in first
Around the magnetic core 120 of magnetic core 110 and second, magnetic line of force distributed effect preferably, is further conducive to increasing energy storage.
Main air gap 160, the first air gap 111 and interstice 121 are the small air gap that width is 50um~80um, relative to
The larger big air gap of width, small air gap can more improve the energy storage of inductance 100, reduce air gap losses and noise.
Also include being sheathed on the anti-vibration protected body 180 outside the first magnetic core 110 and the second magnetic core 120, using anti-vibration protected
Body 180, the vibration major part for producing the first magnetic core 110 and the second magnetic core 120 is absorbed by anti-vibration protected body 180, further
Be conducive to reducing noise, meanwhile, anti-vibration protected body 180 includes first gum sleeve 181 and the second gum sleeve of mutually splicing
182, gum sleeve damping property more preferably, is further conducive to reducing noise.
On the one hand, it is increase energy storage, prevents magnetic saturation, the utility model is provided with three air gaps, positioned at the He of the first center pillar 140
Main air gap 160 between second center pillar 150, inclination is opened in the first air gap 111 on the first magnetic core 110, and inclination is opened in the
Interstice 121 on two magnetic cores 120, a knot for rectangle air gap is only set relative to prior art between two center pillars
Structure, three air gaps increased the gross area of air gap, can preferably prevent magnetic saturation, the energy storage of inductance 100 be improved, while reducing master
The area of air gap 160, is conducive to reducing noise.Second aspect, the setting of the first guiding gutter 112 and the second guiding gutter 122 so that
Insulated paint 190 can penetrate to inside the first magnetic core 110 and the inside of the second magnetic core 120 and coil 130, make the ectonexine of coil 130
Uniform parcel insulated paint 190, to strengthen the insulating capacity between coil 130, prevents short circuit, further the increase energy storage of inductance 100,
Meanwhile, insulated paint 190 plays solidification to each parts of inductance 100, prevents each parts vibrations from producing noise, further
Be conducive to reducing noise.
Embodiment described above only expresses several embodiments of the present utility model, and its description is more specific and detailed,
But therefore can not be interpreted as the limitation to the utility model the scope of the claims.It should be pointed out that common for this area
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (5)
1. a kind of low noise pitch energy storage inductor, it is characterised in that：Including two the first magnetic cores being oppositely arranged and the second magnetic core, install
Coil between the first magnetic core and the second magnetic core；Also include being arranged at the first center pillar of the first magnetic core and be arranged at the second magnetic core
The second center pillar, first center pillar and the second center pillar are oppositely arranged and form main air gap therebetween；On first magnetic core
Inclination offers the first air gap, is inclined on second magnetic core and offers interstice, first air gap and interstice phase
It is mutually parallel；The inner bottom surface of first magnetic core offers the first guiding gutter for extending to and being connected with the first center pillar, second magnetic
The inner bottom surface of core offers the second guiding gutter for extending to and being connected with the second center pillar, and first guiding gutter is away from the first center pillar
One end is communicated with coil, and second guiding gutter is communicated away from one end of the second center pillar with coil, first guiding gutter and the
Insulated paint is filled with inside two guiding gutters.
2. a kind of low noise pitch energy storage inductor according to claim 1, it is characterised in that：Filled with hard in the main air gap
Matter potsherd, the two ends of the hard ceramic piece are adhered to the first center pillar and the second center pillar respectively.
3. a kind of low noise pitch energy storage inductor according to claim 2, it is characterised in that：First air gap and the second gas
Gap is in quadrangle.
4. a kind of low noise pitch energy storage inductor according to claim 3, it is characterised in that：The main air gap, the first air gap
The small air gap that width is 50um~80um is with interstice.
5. a kind of low noise pitch energy storage inductor according to claim 4, it is characterised in that：Also include being sheathed on the first magnetic core
With the anti-vibration protected body outside the second magnetic core, first gum sleeve and second rubber of the anti-vibration protected body including mutually splicing
Sleeve pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621450848.5U CN206301652U (en) | 2016-12-28 | 2016-12-28 | A kind of low noise pitch energy storage inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621450848.5U CN206301652U (en) | 2016-12-28 | 2016-12-28 | A kind of low noise pitch energy storage inductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206301652U true CN206301652U (en) | 2017-07-04 |
Family
ID=59205727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621450848.5U Expired - Fee Related CN206301652U (en) | 2016-12-28 | 2016-12-28 | A kind of low noise pitch energy storage inductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206301652U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113871130A (en) * | 2021-11-08 | 2021-12-31 | 中国电子科技集团公司第二十四研究所 | High-reliability hybrid power supply magnetic device based on exoskeleton structure and manufacturing method thereof |
-
2016
- 2016-12-28 CN CN201621450848.5U patent/CN206301652U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113871130A (en) * | 2021-11-08 | 2021-12-31 | 中国电子科技集团公司第二十四研究所 | High-reliability hybrid power supply magnetic device based on exoskeleton structure and manufacturing method thereof |
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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: 20170704 Termination date: 20191228 |
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| CF01 | Termination of patent right due to non-payment of annual fee |