CN107481834B - A kind of low pressure magnetic-ring reactor and its production technology - Google Patents
A kind of low pressure magnetic-ring reactor and its production technology Download PDFInfo
- Publication number
- CN107481834B CN107481834B CN201710613649.4A CN201710613649A CN107481834B CN 107481834 B CN107481834 B CN 107481834B CN 201710613649 A CN201710613649 A CN 201710613649A CN 107481834 B CN107481834 B CN 107481834B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
- H01F27/04—Leading of conductors or axles through casings, e.g. for tap-changing arrangements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
- H01F27/255—Magnetic cores made from particles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2895—Windings disposed upon ring cores
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/29—Terminals; Tapping arrangements for signal inductances
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/33—Arrangements for noise damping
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Hard Magnetic Materials (AREA)
Abstract
The invention discloses a kind of low pressure magnetic-ring reactor of reactor technical field and its production technologies, including aluminum clad zinc plate shell, the lower part of the aluminum clad zinc plate shell front and back sides is equipped with interconnecting piece, the surface of the aluminum clad zinc plate shell incline is equipped with right angle bound edge, the inner surface of the aluminum clad zinc plate shell is equipped with insulation board, channel effect between Sendust Cores particle itself causes with low permeability and permanent permeance；Again since its material particle size is small, reduce the probability that collection skin phenomenon occurs, magnetic conductivity is also more stable with the variation of frequency, and the loss ratio common iron powder core low 80% of the device can use under 8kHz frequencies above；Magnetic strength is saturated in 1.05T or so；Magnetic permeability is between 26~125 and magnetostriction coefficient is close to 0, and the noise generated when working at different frequencies is small, and the inductance of output is more stable compared to traditional silicon steel sheet material.
Description
Technical field
The present invention relates to reactor technical field, specially a kind of low pressure magnetic-ring reactor and its production technology.
Background technique
As the development of national economy increases considerably each industry and appliance load all, the load or burden without work in load is increased newly
Electric current increases power supply system loss, influences power quality, quality of voltage and the operational safety of electric system, leads in power supply system
Reactive capability compensation is carried out frequently with capacitor compensation cabinet, to improve the stabilization of power supply system.It is usually gone here and there in capacitance compensation loop
Join reactor, shoving when reducing capacitor investment, and higher hamonic wave can also be obstructed and enter capacitor, to extend equipment
Service life, protect the safe operation of equipment, be mostly in the past iron core reactor with current-limiting reactor, but iron core reactor is run
Middle fever is serious, and sound noise is bigger, and when capacitor uses one section after capacitance decaying easily formed and go here and there with iron core reactor
Join resonance, jeopardize equipment safety, be based on this, the present invention devises a kind of low pressure magnetic-ring reactor and its production technology, to solve
The above problem.
Summary of the invention
The purpose of the present invention is to provide a kind of low pressure magnetic-ring reactor and its production technologies, to solve above-mentioned background technique
The existing reactor fever of the proposition of middle proposition is serious, the larger problem of sound noise ratio.
To achieve the above object, the invention provides the following technical scheme: a kind of low pressure magnetic-ring reactor, including aluminum clad zinc plate
Shell, the lower part of the aluminum clad zinc plate shell front and back sides are equipped with interconnecting piece, and the surface of the aluminum clad zinc plate shell incline is set
There is right angle bound edge, the inner surface of the aluminum clad zinc plate shell is equipped with insulation board, and the inner cavity of the aluminum clad zinc plate shell is uniformly provided with
Sendust Cores, and the outer wall of Sendust Cores is wound with enameled wire, the top of the aluminum clad zinc plate shell front and back sides is uniform
Through fixing bolt is equipped with, and Sendust Cores and enameled wire are connected between two adjacent groups fixing bolt, the aluminum clad zinc plate
The top right side bead of shell is equipped with a terminal, and a terminal and enameled wire are electrically connected, and the interconnecting piece includes welding block,
The side wall of the welding block is rotatably connected to PVC board by screw bolt and nut, and the surface of the PVC board is equipped with ladder through slot, described
The inner cavity top of ladder through slot is connected with ring-shaped friction lining, is connected the threaded hole on ladder through slot and shell using another bolt
It connects.
Preferably, the surface of the aluminum clad zinc plate shell is connected with heat conductive graphite piece, and heat conductive graphite by another through slot
The outer surface of piece and insulation board overlap joint.
Preferably, the bottom of the aluminum clad zinc plate shell is embedded with butyl rubber resilient cushion.
Preferably, the insulation board with a thickness of 2 millimeters.
Preferably, the surface of the fixing bolt is equipped with GN-702 series abrasion-proof insulating anticorrosive nano composite ceramic coat.
Preferably, each group distribution ratio of the Sendust Cores are as follows: aluminium 9%, silicon 5%, iron powder 85% and dielectric
1%.
Preferably, the specific steps of the low pressure magnetic-ring reactor production technology are as follows:
It is offline: to choose the specification of enameled wire are as follows: 1 millimeter of diameter, F class B insulation, 4.5 meters of length and quantity 25；
Harness processed: one end of lower good enameled wire is aligned, and is bound with insulating tape, neat one end and the other end must
It need distinguish, pull at line beam, be bound every 1 meter with insulating tape；
Magnet ring group processed: often taking 10 Sendust Cores to form a magnet ring group, and magnet ring group wraps up in internal-and external diameter with highland barley paper bag, and
It is cemented with adhesive tape；
Coiling: piercing into magnet ring group for the neat one end of enameled wire, reserves appropriate length；Other end coiling, the suitable circle of coiling
Number；In winding process, enameled wire bunchy is kept, circle is fitted closely with turn-to-turn, and enameled wire is close to Sendust Cores surfaces externally and internally；Often
Around two circles, is pierced into magnet ring group internal diameter with insulating bar and exert oneself to roll pressure；
Measurement: after the completion of coiling, the insulating layer at enameled wire harness both ends is peelled off with wire stripper, measures magnet ring with digital electric bridge
The Static Electro sensibility reciprocal of reactor；If magnetic-ring reactor static inductance numerical quantity difference it is larger, can by adjust enameled wire around
The number of turns processed carrys out adjusting inductance numerical value；
Baking vanish: preheat including workpiece: temperature setting is 50 degree to 60 degree, and the time is a hour；Dipping lacquer: it is soaked in paint box
Painting the time is 5 minutes；It drains: the magnetic-ring reactor of dipped insulated paint being placed on dripper and is drained naturally, drip to magnet ring reactance
Device is not painted in drop, about 1.5 hours of time；Baking: the magnetic-ring reactor drained is put into oven, and temperature sets 80 degree,
0.5 hour is toasted, temperature is then adjusted to 130 degree, is toasted 2 hours, after the time reaches, oven is powered off, keeps it slow
Slowly it is down to room temperature；
Assembling: the magnetic-ring reactor of baked paint is measured into Static Electro sensibility reciprocal with digital electric bridge again, and is attached to label paper
On magnetic-ring reactor, by magnetic-ring reactor loaded in shell, the air duct of every magnetic-ring reactor is directed at blower, magnetic-ring reactor bottom
Portion's pad gluing batten, top are compressed with insulating press boards, are screwed, two close magnetic-ring reactor parallel connections of inductance value,
With 50 millimeters of length, the cable that 2 millimeters of internal diameter is guided to outside shell, 80 millimeters of cables of length is reserved with outside shell, for connecting crimping
Nose and set heat-shrink tube.
Compared with prior art, it the beneficial effects of the present invention are: the present invention can completely cut off vortex by Sendust Cores, fits
For upper frequency；On the other hand due to the channel effect between Sendust Cores particle itself, cause with low permeability and
Permanent permeance；Again due to its material particle size it is small, reduce occur collection skin phenomenon probability, magnetic conductivity with frequency variation
More stable, the loss ratio common iron powder core low 80% of the device can use under 8kHz frequencies above；Saturation magnetic strength exists
1.05T or so magnetic permeability is between 26~125 and magnetostriction coefficient is close to 0, and what is generated when working at different frequencies makes an uproar
Sound is small, and the inductance of output is more stable compared to traditional silicon steel sheet material.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will be described below to embodiment required
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is schematic structural view of the invention；
Fig. 2 is interconnecting piece structural schematic diagram of the present invention；
Fig. 3 is process flow chart of the invention.
In attached drawing, parts list represented by the reference numerals are as follows:
1- aluminum clad zinc plate shell, 2- interconnecting piece, the right angle 3- bound edge, 4- insulation board, 5- Sendust Cores, 6- enameled wire, 7-
Fixing bolt, terminal of 8-, 200- welding block, 201-PVC plate, 202- ladder through slot, 203- ring-shaped friction lining.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-3 is please referred to, the present invention provides a kind of technical solution: a kind of low pressure magnetic-ring reactor, including outside aluminum clad zinc plate
Shell 1, the lower part of 1 front and back sides of aluminum clad zinc plate shell are equipped with interconnecting piece 2, and the surface of 1 incline of aluminum clad zinc plate shell is equipped with right angle
The inner surface of bound edge 3, aluminum clad zinc plate shell 1 is equipped with insulation board 4, and the inner cavity of aluminum clad zinc plate shell 1 is uniformly provided with Sendust Cores
5, and the outer wall of Sendust Cores 5 is wound with enameled wire 6, the top of 1 front and back sides of aluminum clad zinc plate shell, which is uniformly run through, to be equipped with admittedly
Determine bolt 7, and Sendust Cores 5 and enameled wire 6 are connected between two adjacent groups fixing bolt 7, the top of aluminum clad zinc plate shell 1
Right side bead is equipped with a terminal 8, and a terminal 8 and enameled wire 6 are electrically connected, and interconnecting piece 2 includes welding block 200, welding block 200
Side wall PVC board 201 is rotatably connected to by screw bolt and nut, the surface of PVC board 201 is equipped with ladder through slot 202, ladder through slot
202 inner cavity top is connected with ring-shaped friction lining 203, is connected the threaded hole on ladder through slot 202 and shell 1 using another bolt
It connects.
Wherein, the surface of aluminum clad zinc plate shell 1 is connected with heat conductive graphite piece by another through slot, and heat conductive graphite piece and absolutely
The outer surface of listrium 4 overlaps, convenient for distributing the heat inside aluminum clad zinc plate shell 1, in the bottom of aluminum clad zinc plate shell 1
Embedded with butyl rubber resilient cushion, using its high temperature resistant and corrosion resistance, be convenient for long-term filter vibration, insulation board 4 with a thickness of 2
The surface of millimeter, fixing bolt 7 is equipped with GN-702 series abrasion-proof insulating anticorrosive nano composite ceramic coat, extends it and uses the longevity
Life.
A kind of low pressure magnetic-ring reactor production technology, each group distribution ratio of Sendust Cores 5 are as follows: aluminium 9%, silicon 5%, iron powder
85% and dielectric 1%.
The specific steps of the low pressure magnetic-ring reactor production technology are as follows:
It is offline: to choose the specification of enameled wire 6 are as follows: 1 millimeter of diameter, F class B insulation, 4.5 meters of length and quantity 25；
Harness processed: one end of lower good enameled wire 6 is aligned, and is bound with insulating tape, neat one end and the other end
It has to distinguish, pulls at line beam, bound every 1 meter with insulating tape；
Magnet ring group processed: often taking 10 Sendust Cores 5 to form a magnet ring group, and magnet ring group wraps up in internal-and external diameter with highland barley paper bag,
And it is cemented with adhesive tape；
Coiling: piercing into magnet ring group for the neat one end of enameled wire 6, reserves appropriate length；Other end coiling, the suitable circle of coiling
Number；In winding process, 6 bunchy of enameled wire is kept, circle is fitted closely with turn-to-turn, and enameled wire 6 is close to appearance in Sendust Cores 5
Face；Often around two circles, is pierced into magnet ring group internal diameter with insulating bar and exert oneself to roll pressure；
Measurement: after the completion of coiling, the insulating layer at 6 harness both ends of enameled wire is peelled off with wire stripper, measures magnetic with digital electric bridge
The Static Electro sensibility reciprocal of ring reactor；If the static inductance numerical quantity difference of magnetic-ring reactor is larger, can be by adjusting enameled wire 6
Coiling the number of turns carrys out adjusting inductance numerical value；
Baking vanish: preheat including workpiece: temperature setting is 50 degree to 60 degree, and the time is a hour；Dipping lacquer: it is soaked in paint box
Painting the time is 5 minutes；It drains: the magnetic-ring reactor of dipped insulated paint being placed on dripper and is drained naturally, drip to magnet ring reactance
Device is not painted in drop, about 1.5 hours of time；Baking: the magnetic-ring reactor drained is put into oven, and temperature sets 80 degree,
0.5 hour is toasted, temperature is then adjusted to 130 degree, is toasted 2 hours, after the time reaches, oven is powered off, keeps it slow
Slowly it is down to room temperature；
Assembling: the magnetic-ring reactor of baked paint is measured into Static Electro sensibility reciprocal with digital electric bridge again, and is attached to label paper
On magnetic-ring reactor, by magnetic-ring reactor loaded in shell, the air duct of every magnetic-ring reactor is directed at blower, magnetic-ring reactor bottom
Portion's pad gluing batten, top are compressed with insulating press boards, are screwed, two close magnetic-ring reactor parallel connections of inductance value,
With 50 millimeters of length, the cable that 2 millimeters of internal diameter is guided to outside shell, 80 millimeters of cables of length is reserved with outside shell, for connecting crimping
Nose and set heat-shrink tube.
One concrete application of the present embodiment are as follows: it is first welded with aluminum clad zinc plate shell 1 using the welding block 200 on interconnecting piece 2,
PVC board 201 can be rotated and be fixed around welding block 200, utilized another bolt to pass through the threaded hole on ladder through slot 202 and shell and connected
It connects, ring-shaped friction lining 203 increases the frictional force between bolt, makes to connect stronger, and 1 inner surface of aluminum clad zinc plate shell is embedded
The insulation board 4 of 2mm thickness prevents enameled wire 6 and aluminum clad zinc plate shell 1 from directly contacting, and plays insulation and generation vortex is avoided to cause
The effects of aluminum clad zinc plate shell 1 generates heat；Aluminum clad zinc plate shell 1 fixes rear enameled wire 6 and connect with a terminal 8, by primary
Terminal 8 is electrically connected with three-phase alternating current, facilitates wiring；Sendust Cores 5 is by 9% aluminium, 5% silicon, 85% iron powder and 1% dielectric
It constitutes, bottom is compared in loss, can be used under 8kHz frequencies above；Noiseless generates when working at different frequencies, iron sial
Magnet ring 5 is externally wrapped with 1 meter long, F class B insulation enameled wire 6, of different sizes according to the number of share of stock of winding enameled wire 6, the number of turns and magnet ring
The final inductance and rated current for determining magnetic-ring reactor.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one implementation of the invention
In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.
Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples to close
Suitable mode combines.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, are not limited the invention to the specific embodiments described.Obviously, according to the content of this specification,
It can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to better explain the present invention
Principle and practical application, so that skilled artisan be enable to better understand and utilize the present invention.The present invention is only
It is limited by claims and its full scope and equivalent.
Claims (7)
1. a kind of low pressure magnetic-ring reactor, including aluminum clad zinc plate shell (1), it is characterised in that: before the aluminum clad zinc plate shell (1)
The lower part of trailing flank is equipped with interconnecting piece (2), and the surface of aluminum clad zinc plate shell (1) incline is equipped with right angle bound edge (3), described
The inner surface of aluminum clad zinc plate shell (1) is equipped with insulation board (4), and the inner cavity of the aluminum clad zinc plate shell (1) is uniformly provided with iron sial
Magnet ring (5), and the outer wall of Sendust Cores (5) is wound with enameled wire (6), aluminum clad zinc plate shell (1) front and back sides it is upper
Portion is uniformly run through equipped with fixing bolt (7), and Sendust Cores (5) and enameled wire (6) are connected to two adjacent groups fixing bolt (7)
Between, the top right side bead of the aluminum clad zinc plate shell (1) is equipped with a terminal (8), and a terminal (8) and enameled wire
(6) it is electrically connected, the interconnecting piece (2) includes welding block (200), and the side wall of the welding block (200) is rotated by screw bolt and nut
Be connected with PVC board (201), the surface of the PVC board (201) is equipped with ladder through slot (202), the ladder through slot (202) it is interior
Chamber top is connected with ring-shaped friction lining (203), is connected the threaded hole on ladder through slot (202) and shell (1) using another bolt
It connects.
2. a kind of low pressure magnetic-ring reactor according to claim 1, it is characterised in that: the aluminum clad zinc plate shell (1)
Surface is connected with heat conductive graphite piece by another through slot, and the outer surface of heat conductive graphite piece and insulation board (4) overlaps.
3. a kind of low pressure magnetic-ring reactor according to claim 1, it is characterised in that: the aluminum clad zinc plate shell (1)
Bottom is embedded with butyl rubber resilient cushion.
4. a kind of low pressure magnetic-ring reactor according to claim 1, it is characterised in that: the insulation board (4) with a thickness of 2
Millimeter.
5. a kind of low pressure magnetic-ring reactor according to claim 1, it is characterised in that: the surface of the fixing bolt (7)
Equipped with GN-702 series abrasion-proof insulating anticorrosive nano composite ceramic coat.
6. a kind of low pressure magnetic-ring reactor production technology as described in claim 1, it is characterised in that: the Sendust Cores
(5) each group distribution ratio are as follows: aluminium 9%, silicon 5%, iron powder 85% and dielectric 1%.
7. a kind of low pressure magnetic-ring reactor production technology according to claim 6, it is characterised in that: the low pressure magnet ring reactance
The specific steps of device production technology are as follows:
It is offline: to choose the specification of enameled wire (6) are as follows: 1 millimeter of diameter, F class B insulation, 4.5 meters of length and quantity 25；
Harness processed: one end of lower good enameled wire (6) is aligned, and is bound with insulating tape, neat one end and the other end must
It need distinguish, pull at line beam, be bound every 1 meter with insulating tape；
Magnet ring group processed: often taking 10 Sendust Cores (5) to form a magnet ring group, and magnet ring group wraps up in internal-and external diameter with highland barley paper bag, and
It is cemented with adhesive tape；
Coiling: piercing into magnet ring group for the neat one end of enameled wire (6), reserves appropriate length；Other end coiling, the suitable circle of coiling
Number；In winding process, enameled wire (6) bunchy is kept, circle is fitted closely with turn-to-turn, and enameled wire (6) is close in Sendust Cores (5)
Outer surface；Often around two circles, is pierced into magnet ring group internal diameter with insulating bar and exert oneself to roll pressure；
Measurement: after the completion of coiling, the insulating layer at enameled wire (6) harness both ends is peelled off with wire stripper, measures magnet ring with digital electric bridge
The Static Electro sensibility reciprocal of reactor；If the static inductance numerical quantity difference of magnetic-ring reactor is larger, can be by adjusting enameled wire (6)
Coiling the number of turns carrys out adjusting inductance numerical value；
Baking vanish: preheat including workpiece: temperature setting is 50 degree to 60 degree, and the time is a hour；Dipping lacquer: when painting dipping lacquer in box
Between be 5 minutes；It drains: the magnetic-ring reactor of dipped insulated paint being placed on dripper and is drained naturally, drip to magnetic-ring reactor not
It is painted in drop, about 1.5 hours of time；Baking: the magnetic-ring reactor drained is put into oven, and temperature sets 80 degree, baking
0.5 hour, temperature is then adjusted to 130 degree, toasted 2 hours, after the time reaches, oven powered off, drops it slowly
To room temperature；
Assembling: the magnetic-ring reactor of baked paint is measured into Static Electro sensibility reciprocal with digital electric bridge again, and is attached to magnet ring with label paper
On reactor, by magnetic-ring reactor loaded in shell, the air duct of every magnetic-ring reactor is directed at blower, magnetic-ring reactor bottom pad
Batten is glued, top is compressed with insulating press boards, is screwed, two close magnetic-ring reactor parallel connections of inductance value, with length
50 millimeters, the cable that 2 millimeters of internal diameter is guided to outside shell, is reserved with 80 millimeters of cables of length outside shell, for connect crimping nose and
Cover heat-shrink tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710613649.4A CN107481834B (en) | 2017-07-25 | 2017-07-25 | A kind of low pressure magnetic-ring reactor and its production technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710613649.4A CN107481834B (en) | 2017-07-25 | 2017-07-25 | A kind of low pressure magnetic-ring reactor and its production technology |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107481834A CN107481834A (en) | 2017-12-15 |
| CN107481834B true CN107481834B (en) | 2019-01-04 |
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| CN114421726B (en) * | 2022-02-09 | 2024-04-09 | 浙江露通机电有限公司 | Brushless motor shell and magnet fixing paint dipping process and processing groove |
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| CN101710535B (en) * | 2009-12-15 | 2012-09-05 | 焦海波 | Preparing method of magnetic ring for reactor |
| CN202167319U (en) * | 2011-06-30 | 2012-03-14 | 佛山市国电电器有限公司 | Reactor shell structure |
| CN202332473U (en) * | 2011-09-06 | 2012-07-11 | 亚太电效系统(珠海)有限公司 | Magnetic-ring reactor |
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