CN208806127U - A kind of NEW TYPE OF COMPOSITE iron core reactor - Google Patents
A kind of NEW TYPE OF COMPOSITE iron core reactor Download PDFInfo
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- CN208806127U CN208806127U CN201820789164.0U CN201820789164U CN208806127U CN 208806127 U CN208806127 U CN 208806127U CN 201820789164 U CN201820789164 U CN 201820789164U CN 208806127 U CN208806127 U CN 208806127U
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- iron core
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- resistant layer
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Abstract
The utility model discloses a kind of NEW TYPE OF COMPOSITE iron core reactors, the NEW TYPE OF COMPOSITE iron core reactor includes insulation shell, wire coil, iron core plug and iron core, the insulation shell is in hollow structure, the insulation shell is socketed in outside the iron core plug, the insulation shell and the iron core plug Joint, the iron core plug is provided with multiple lateral through-holes, each through-hole is used to be inserted into the iron core, the iron core is detachably connected with the through-hole, in order to which the iron core is added at any time or reduces the iron core, the NEW TYPE OF COMPOSITE iron core reactor of the utility model, iron core can be increased and decreased according to the actual conditions of circuit, to change its inductance value for accessing circuit, adaptability is very wide, and resin-cast layer is by fastener and the firm fixation of gap-gas segregating ring, therefore it is fastening The vibration generated at part is obviously reduced, and noise significantly reduces, and ensure that the quality of reactor product.
Description
Technical field
The utility model relates to electronic device and equipment technical field, specially a kind of NEW TYPE OF COMPOSITE iron core reactor.
Background technique
Photovoltaic DC-to-AC converter is a kind of power adjusting device being made of semiconductor devices, and direct current power is mainly used for convert
At AC power.Generally it is made of boosting circuit and inversion bridge type return.Dc voltage boost of the boosting circuit solar cell
To DC voltage needed for inverter output control；Inversion bridge type return is then equivalently converted into the DC voltage after boosting often
With the alternating voltage of frequency.Inverter is mainly made of switch elements such as transistors, by allowing switch element to repeat regularly
On-off (ON-OFF) makes direct current input become exchange output.Certainly, the inverter merely generated in this way by and off circuit
Output waveform is simultaneously impracticable.Generally requiring becomes the voltage width close to sine wave both ends using high-frequency pulsed width modulation (SPWM)
Narrow, the voltage width in sine wave center broadens, and allows switch element to act towards a direction by certain frequency always within the half period,
A pulse wave train (quasi- sine wave) is formed in this way.Then impulse wave is allowed to form sine wave by simple filter.
And direct current reactor is often used in photovoltaic DC-to-AC converter, it is whole that direct current reactor connects the direct current in frequency conversion system
It flows between link and inversion link, is mainly used for for the AC compounent being superimposed upon on DC current being limited to a certain specified value guarantor
Hold that rectified current is continuous, reducing current pulse values makes inversion link run power factor that is more stable and improving frequency converter
Direct current reactor effect:
Direct current reactor is also used to the DC sides of parallel converters to coupling, reduces the interrupted limit, in limitation ring Flow Line
Circulation, with for using when DC quick switch disengagement failure electric current limit current-rising-rate be also used in electric current, voltage-type frequency conversion
The flat wave of the direct current of device intermediate loop, this can be used for the flat wave of rectifier power source, to eliminate ripple.
The shortcomings that customary DC reactor: customary DC the reactor amorphous magnetic core or nanocrystalline magnetic high using magnetic conductivity
Core, to have guaranteed that reactor has enough inductances, while for anti-DC component, to prevent core saturation, often in the core
Open air cleft.But single magnetic core reactor is easy to produce saturated phenomenon when passing through D.C. high-current.It is saturated, needs in order to prevent
Magnetic core is very big, brings difficulty to installation.
Utility model content
The purpose of this utility model is to provide a kind of NEW TYPE OF COMPOSITE iron core reactors, to solve to mention in above-mentioned background technique
Out the problem of.
To achieve the above object, the utility model provides the following technical solutions: a kind of NEW TYPE OF COMPOSITE iron of the utility model
Core reactor, the NEW TYPE OF COMPOSITE iron core reactor include insulation shell, wire coil, iron core plug and iron core, described
Insulation shell is in hollow structure, and the insulation shell is socketed in outside the iron core plug, the insulation shell and institute
The iron core plug Joint stated, the iron core plug are provided with multiple lateral through-holes, and each through-hole is used to insert
Enter the iron core, the iron core is detachably connected with the through-hole, in order to which the iron core is added at any time or subtracts
The small iron core；
The iron core is a solid iron core column, and the iron core is existed by the first core limb, the second core limb and setting
Fastener between first core limb and the second core limb is constituted, and the periphery of the iron core is provided with stretch-resistant layer,
It is provided with resin-cast layer between the iron core and the stretch-resistant layer, it is first core limb, the second core limb, tight
Firmware is bonded as one with the stretch-resistant layer by the resin-cast layer；
The wire coil is wrapped on the insulation shell, and the both ends of the wire coil are connected with metal and draw
Line is fixed with a sheet metal on the port of the metal lead wire, a connector is provided on the sheet metal, passes through two
Conducting wire is separately connected the connector at the wire coil both ends, and the NEW TYPE OF COMPOSITE iron core reactor access one is practical
In circuit.
Preferably, the size of the inner wall of the insulation shell and the size of the outer wall of the iron core plug match,
Also, the cross-sectional width of the insulation shell is small compared with the cross-sectional width of the iron core plug.
Preferably, multiple lateral through-holes are evenly distributed in the iron core plug, also, each described
Through-hole cross-sectional width it is identical.
Preferably, the size of the outer wall of the iron core and the size of the inner wall of the through-hole match.
Preferably, the stretch-resistant layer is made of the first stretch-resistant layer and the second stretch-resistant layer, and the first stretch-resistant layer is
Reticular structure layer, first stretch-resistant layer are tubular construction, and it is anti-that first stretch-resistant layer is set to described second
On the inside of tensile layer, second stretch-resistant layer is made of two half shells snapped together of coincideing.
Preferably, first stretch-resistant layer is the glass cross compartment of tubular；Second stretch-resistant layer is coincide by two
The glass fiber fabric swatch half shell composition snapped together.
Preferably, the material of the resin-cast layer is H grade resins.
Preferably, first core limb, be provided with one or more air gaps among the second core limb.
Preferably, nonmagnetic air gap pad is filled in the air gap.
Compared with prior art, the utility model has the beneficial effects that the NEW TYPE OF COMPOSITE iron core reactor of the utility model,
Iron core can be increased and decreased according to the actual conditions of circuit, to change its inductance value for accessing circuit, adaptability is very wide, and resin pours
Layer is infused by fastener and the firm fixation of gap-gas segregating ring, therefore the vibration generated at fastener is obviously reduced, noise significantly reduces,
It ensure that the quality of reactor product.
Compared with prior art, the utility model has the advantages that (1) reactor using two kinds of magnetic cores, a kind of magnetic core
For magnetic conductivity high amorphous magnetic core or nanocrystalline magnet core, to guarantee that reactor has enough inductances；Another kind is iron silicon magnetic core,
Iron silicon magnetic core has the characteristic of anti-direct current saturation, is uniformly distributed formula air gap in magnetic core, has at high frequencies compared with low-loss, by 85%
Iron, composed by 9% silicon and 6% Al alloy powder it, the filter inductance being highly suitable in Switching Power Supply.Two kinds
Composite cores combine, and not only can guarantee inductance, but also energy anti-saturation, thus have extensive use value.
(2) one or more air gaps are provided with according to demand among two kinds of magnetic cores, are filled out at air gap with nonmagnetic air gap pad
It fills, two kinds of magnetic cores is tightened together with fastener later.This structure is simple, easy processing, has certain economic value.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of NEW TYPE OF COMPOSITE iron core reactor provided by the utility model；
Fig. 2 is the another structural schematic diagram of NEW TYPE OF COMPOSITE iron core reactor provided by the utility model；
Fig. 3 is the structural schematic diagram of the iron core of NEW TYPE OF COMPOSITE iron core reactor provided by the utility model；
In figure: 1 scanning pedestal, 2 insulation shells, 3 wire coils, 4 iron core plugs, 5 through-holes, 6 iron cores, 7 metal lead wires, 8
Sheet metal, 9 connectors, 10 first core limbs, 11 second core limbs, 12 fasteners, 13 stretch-resistant layers.
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.
As shown in Figure 1 to Figure 3, a kind of NEW TYPE OF COMPOSITE iron core reactor of the utility model, the NEW TYPE OF COMPOSITE iron core
Reactor includes insulation shell 2, wire coil 3, iron core plug 4 and iron core 6, and the insulation shell 2 is in hollow structure, institute
The insulation shell 2 stated is socketed in outside the iron core plug 4, the insulation shell 2 and 4 Joint of iron core plug,
The iron core plug 4 is provided with multiple lateral through-holes 5, and each through-hole 5 is used to be inserted into the iron core 6, institute
The iron core 6 stated is detachably connected with the through-hole 5, in order to which the iron core 6 is added at any time or reduces the iron core
6；
The iron core 6 be a solid iron core column, the iron core 6 by the first core limb 10, the second core limb 11 and
The fastener 12 being arranged between first core limb 10 and the second core limb 11 is constituted, and the periphery of the iron core 6 is set
It is equipped with stretch-resistant layer 13, resin-cast layer, first iron are provided between the iron core 6 and the stretch-resistant layer 13
Stem 10, the second core limb 11, fastener 12 are bonded as one with the stretch-resistant layer 13 by the resin-cast layer；
The wire coil 3 is wrapped on the insulation shell 2, and the both ends of the wire coil 3 are connected with gold
Belong to lead 7, is fixed with a sheet metal 8 on the port of the metal lead wire 7, is provided with a connector on the sheet metal 8
9, the connector 9 at 3 both ends of wire coil is separately connected by two conducting wires, by the NEW TYPE OF COMPOSITE iron core reactance
Device accesses in an actual circuit.
The size of the inner wall of the insulation shell 2 and the size of the outer wall of the iron core plug 4 match, also,
The cross-sectional width of the insulation shell 2 is small compared with the cross-sectional width of the iron core plug 4.It is inserted into and insulate convenient for iron core plug 4
In shell 2.
In the present embodiment, multiple lateral through-holes 5 are evenly distributed in the iron core plug 4, also,
The cross-sectional width of each through-hole 5 is identical, convenient for accommodating iron core 6.
The size of the outer wall of the iron core 6 and the size of the inner wall of the through-hole 5 match.
The stretch-resistant layer 13 is made of the first stretch-resistant layer and the second stretch-resistant layer, and the first stretch-resistant layer is netted knot
Structure layer, first stretch-resistant layer are tubular construction, and first stretch-resistant layer is set to second stretch-resistant layer
Inside, second stretch-resistant layer is made of two half shells snapped together of coincideing, to reduce noise.
First stretch-resistant layer is the glass cross compartment of tubular；Second stretch-resistant layer is coincide by two is fastened on one
The glass fiber fabric swatch half shell composition risen, convenient for handling.
The material of the resin-cast layer is H grade resins, and the effect of bonding is more preferable.
The quantity of the iron core cake 12 be it is multiple, be equipped with gap-gas segregating ring between two neighboring fastener 12.
One or more air gaps 14 are provided among first core limb 10, the second core limb 11.
Nonmagnetic air gap pad is filled in the air gap 14.
Working principle: in use, by the connector 9 at 3 both ends of wire coil by the NEW TYPE OF COMPOSITE iron core
Reactor accesses in an actual circuit, increases and decreases the quantity of iron core 6 according to the actual conditions adaptability of circuit, described is novel multiple
Iron core reactor is closed in the process of running due to the magnetic telescopic action of silicon steel sheet, biggish vibration can be generated at fastener, is made an uproar
Sound is very big, and the iron core due to using poured with epoxy resin, can satisfy the requirement of fixing, the effect for reducing noise is bright
It is aobvious.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (9)
1. a kind of NEW TYPE OF COMPOSITE iron core reactor, it is characterised in that: the NEW TYPE OF COMPOSITE iron core reactor includes insulation shell
(2), wire coil (3), iron core plug (4) and iron core (6), the insulation shell (2) are in hollow structure, the insulation
Shell (2) is socketed in the iron core plug (4) outside, the insulation shell (2) and described iron core plug (4) Joint,
The iron core plug (4) is provided with multiple lateral through-holes (5), and each through-hole (5) is used to be inserted into the iron
Core (6), the iron core (6) are detachably connected with the through-hole (5)；
The iron core (6) is a solid iron core column, and the iron core (6) is by the first core limb (10), the second core limb
(11) and the fastener (12) that is arranged between first core limb (10) and the second core limb (11) is constituted, the iron
The periphery of core (6) is provided with stretch-resistant layer (13), is provided with resin between the iron core (6) and the stretch-resistant layer (13)
Pouring layer, first core limb (10), the second core limb (11), fastener (12) and the stretch-resistant layer (13) pass through
The resin-cast layer is bonded as one；
The wire coil (3) is wrapped on the insulation shell (2), and the both ends of the wire coil (3) are connected with
Metal lead wire (7) is fixed with a sheet metal (8) on the port of the metal lead wire (7), and the sheet metal is arranged on (8)
There are a connector (9), the connector (9) at described wire coil (3) both ends is separately connected by two conducting wires, it will be described
NEW TYPE OF COMPOSITE iron core reactor accesses in an actual circuit.
2. NEW TYPE OF COMPOSITE iron core reactor according to claim 1, it is characterised in that: the insulation shell (2) it is interior
The size of wall and the size of the outer wall of the iron core plug (4) match, also, the section of the insulation shell (2) is wide
It spends small compared with the cross-sectional width of the iron core plug (4).
3. NEW TYPE OF COMPOSITE iron core reactor according to claim 2, it is characterised in that: multiple lateral through-holes
(5) it is evenly distributed in the iron core plug (4), also, the cross-sectional width of each through-hole (5) is identical.
4. NEW TYPE OF COMPOSITE iron core reactor according to claim 3, it is characterised in that: the outer wall of the iron core (6)
Size and the size of the inner wall of the through-hole (5) match.
5. NEW TYPE OF COMPOSITE iron core reactor according to claim 1, it is characterised in that: the stretch-resistant layer (13) is by
One stretch-resistant layer and the second stretch-resistant layer composition, the first stretch-resistant layer are reticular structure layer, and first stretch-resistant layer is cylinder
Shape structure, first stretch-resistant layer are set on the inside of second stretch-resistant layer, and second stretch-resistant layer is by two
A half shell composition snapped together that coincide.
6. NEW TYPE OF COMPOSITE iron core reactor according to claim 5, it is characterised in that: first stretch-resistant layer is cylinder
The glass cross compartment of shape；Second stretch-resistant layer is made of two glass fiber fabric swatch half shells snapped together of coincideing.
7. NEW TYPE OF COMPOSITE iron core reactor according to claim 1, it is characterised in that: the material of the resin-cast layer
For H grade resins.
8. NEW TYPE OF COMPOSITE iron core reactor according to claim 1, it is characterised in that: first core limb (10),
One or more air gaps (14) are provided among second core limb (11).
9. NEW TYPE OF COMPOSITE iron core reactor according to claim 8, it is characterised in that: be filled in the air gap (14)
Nonmagnetic air gap pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820789164.0U CN208806127U (en) | 2018-05-25 | 2018-05-25 | A kind of NEW TYPE OF COMPOSITE iron core reactor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820789164.0U CN208806127U (en) | 2018-05-25 | 2018-05-25 | A kind of NEW TYPE OF COMPOSITE iron core reactor |
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| Publication Number | Publication Date |
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| CN208806127U true CN208806127U (en) | 2019-04-30 |
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| CN201820789164.0U Active CN208806127U (en) | 2018-05-25 | 2018-05-25 | A kind of NEW TYPE OF COMPOSITE iron core reactor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110828100A (en) * | 2019-11-18 | 2020-02-21 | 中国人民解放军海军潜艇学院 | Giant iron core structure, giant electromagnet and combined giant electromagnet |
-
2018
- 2018-05-25 CN CN201820789164.0U patent/CN208806127U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110828100A (en) * | 2019-11-18 | 2020-02-21 | 中国人民解放军海军潜艇学院 | Giant iron core structure, giant electromagnet and combined giant electromagnet |
| CN110828100B (en) * | 2019-11-18 | 2021-11-19 | 中国人民解放军海军潜艇学院 | Giant iron core structure, giant electromagnet and combined giant electromagnet |
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