CN207039441U - A kind of common mode current suppressor - Google Patents
A kind of common mode current suppressor Download PDFInfo
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- CN207039441U CN207039441U CN201720566584.8U CN201720566584U CN207039441U CN 207039441 U CN207039441 U CN 207039441U CN 201720566584 U CN201720566584 U CN 201720566584U CN 207039441 U CN207039441 U CN 207039441U
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- Prior art keywords
- common mode
- mode current
- current suppressor
- housing
- ferroso
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/76—Power conversion electric or electronic aspects
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Abstract
The utility model belongs to technical field of wind power generation, specifically, is related to a kind of common mode current suppressor.The common mode current suppressor includes housing and is placed in the magnet coil of enclosure interior, and the inside of housing is provided with the groove to match with magnet coil shape, and magnet coil insertion groove is fixed with housing, and housing is provided with thermal vias.The common mode current suppressor is simple in construction and can effectively eliminate transient current immediately, it is favorably improved the stability of the core composition mechanism of wind power generating set, it particularly can effectively avoid that the dynamo bearing in fan engine room is breakdown or impaired, and the service life of generator is longer.
Description
Technical field
The utility model belongs to technical field of wind power generation, specifically, is related to a kind of common mode current suppressor.
Background technology
Wind generating technology has been obtained for being widely applied as a kind of generation technology of comparative maturity.Prior art
The core composition mechanism of wind power generating set be arranged in the cabin of blower fan, is provided with current transformer in cabin, current transformer is provided with
IGBT is switched to adjust the opening and closing of current transformer.When wind-force is weaker, when the electric current of formation is smaller, the closing of IGBT switches, current transformer are not
Work, when wind-force is stronger, when the electric current of formation is sufficiently large, IGBT switches are opened, current transformer opens operation, in opening for IGBT switches
Transient current can be formed by closing moment, and when wind intensity conversion is frequent, IGBT switches are frequently opened and closed, the transient current of formation passes to
To the bearing of generator, easily the bearing of generator is caused to puncture or the harmful effect such as be lost, be unfavorable for whole wind-force hair
The stable operation of group of motors.
In view of this, it is special to propose a kind of common mode current suppressor for being easy to solve the prior art defect.
Utility model content
The technical problems to be solved in the utility model is overcome the deficiencies in the prior art, there is provided a kind of common mode current suppresses
Device, described common mode current suppressor is simple in construction and can effectively eliminate transient current immediately, is favorably improved wind-force
The stability of the core composition mechanism of generating set, it particularly can effectively avoid the dynamo bearing in fan engine room breakdown
Or it is impaired, the service life of generator is longer.
In order to solve the above technical problems, the utility model is using the basic conception of technical scheme：
A kind of common mode current suppressor, common mode current suppressor include housing and are placed in the magnet coil of enclosure interior, shell
The inside of body is provided with the groove to match with magnet coil shape, and magnet coil insertion groove is fixed with housing, and on housing
Provided with thermal vias.
Preferably, magnet coil include ferroso-ferric oxide magnetic core array, be wrapped in ferroso-ferric oxide magnetic core array periphery first,
Second wire coil winding.
Preferably, the ferroso-ferric oxide magnetic core array is U-shaped, and first, second wire coil winding is equably wrapped in U
On first, second arm of font ferroso-ferric oxide magnetic core array, and the winding density of wire coil and in ferroso-ferric oxide magnetic core
The coiling length in body surface face is identical.
Preferably, the wire of wire coil is cylindric to include nickel dam, layers of copper and insulating lacquer layer, nickel successively from inside to outside
Layer radial thickness is the 1/4~1/3 of layers of copper radial thickness.
Preferably, the thermal vias is manhole or strip through hole, and the manhole or strip lead to
Hole is evenly distributed in close to the position on magnet coil periphery.
Preferably, the common mode current suppressor is located at the electric current incoming line of the fan converter of wind power generating set
On, the housing of common mode current suppressor is connected on the bottom plate of blower fan tower barrel operating room.
Preferably, the housing of common mode current suppressor is provided with least one projection, and the bottom plate of blower fan tower barrel operating room is set
There is the groove matched with projection, housing and bottom plate are integrally connected by the embedded groove of projection.
Preferably, common mode current suppressor is arranged on the electric current incoming line of fan converter close to the position of current transformer
Put.
Preferably, the housing of common mode current suppressor is prepared using ethylene methacrylic silastic material.
Preferably, the ferroso-ferric oxide magnetic core array is circular ring type, and first, second wire coil winding is respectively wound around circle
The symmetrical both sides of ring-like ferroso-ferric oxide magnetic core array, and the winding density of first, second wire coil and four oxidation
The coiling length on three ferromagnetic core surfaces is identical.
After adopting the above technical scheme, the utility model has the advantages that compared with prior art：
Described common mode current suppressor is simple in construction and can fast and effeciently eliminate transient current, drops as much as possible
Harmful effect low or that elimination transient current is to the device in circuit, especially when it is applied to high wind power generating set, is helped
In the stability for the core composition mechanism for improving wind power generating set, the generator in fan engine room particularly can be effectively avoided
Bearing is breakdown or impaired, and the service life of generator is longer.
Specific embodiment of the present utility model is described in further detail below in conjunction with the accompanying drawings.
Brief description of the drawings
Accompanying drawing is further understood from, this practicality as a part of the present utility model for providing to of the present utility model
New schematic description and description is used to explain the utility model, but does not form to improper restriction of the present utility model.
Obviously, drawings in the following description are only some embodiments, to those skilled in the art, are not paying creation
Property work on the premise of, can also according to these accompanying drawings obtain other accompanying drawings.
Fig. 1 is the sectional view of the common mode current suppressor described in the utility model embodiment one.
Marked in figure：100th, common mode current suppressor；101st, housing；1011st, thermal vias；102nd, ferroso-ferric oxide magnetic core
Body；103rd, wire coil.
It should be noted that these accompanying drawings and word description are not intended as limits design of the present utility model in any way
Scope, but be that those skilled in the art illustrate concept of the present utility model by reference to specific embodiment.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in embodiment is clearly and completely described, following examples are used to illustrate this
Utility model, but it is not limited to the scope of the utility model.
, it is necessary to explanation in description of the present utility model, term " on ", " under ", "front", "rear", "left", "right",
The orientation or position relationship of the instruction such as " vertical ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to
It is easy to describe the utility model and simplified description, rather than indicates or imply that signified device or element must be with specifically square
Position, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary.
For the ordinary skill in the art, it can understand that specific in the utility model of above-mentioned term containing with concrete condition
Justice.
Embodiment one
Fig. 1 illustrates the schematic cross-sectional view of the one of which structure of common mode current suppressor 100 described in the utility model, but
It is that common mode current suppressor 100 of the present utility model is not limited only to the structure illustrated.
A kind of common mode current suppressor, common mode current suppressor 100 include housing 101 and the electricity being placed in inside housing 101
Magnetic coil, the inside of housing 101 are provided with the groove to match with magnet coil shape, magnet coil insertion groove and housing 101
It is fixed, and housing 101 is provided with thermal vias 1011.
Magnet coil include ferroso-ferric oxide magnetic core array 102, be wrapped in the periphery of ferroso-ferric oxide magnetic core array 102 first,
Second wire coil winding.
The ferroso-ferric oxide magnetic core array 102 is U-shaped, and first, second wire coil winding is equably wrapped in U-shaped
Ferroso-ferric oxide magnetic core array 102 first, second arm on, and the winding density of wire coil 103 and in ferroso-ferric oxide
The coiling length on the surface of magnetic core array 102 is same.
First, second arm of described ferroso-ferric oxide magnetic core array 102 refers to the symmetrical both sides of U-shaped.
The shape of groove for installing Motionless electromagnetic coil is also U-shaped, and realize chimeric with groove of magnet coil is fixed
Connection, it is not necessary to extra fixation accessory etc., simplify structure and save cost, but also failure can be reduced
Probability.
The wire of wire coil 103 is cylindric, includes nickel dam, layers of copper and insulating lacquer layer, nickel dam footpath successively from inside to outside
It is the 1/4~1/3 of layers of copper radial thickness to thickness.
The thermal vias 1011 is manhole or strip through hole, and the manhole or strip through hole are equal
It is distributed in evenly close to the position on magnet coil periphery, thermal vias 1011 is arranged to strip in the present embodiment, in this way, radiating
Effect it is preferable.
The common mode current suppressor 100 is located on the electric current incoming line of the fan converter of wind power generating set, altogether
The housing 101 of mould current suppressor 100 is connected on the bottom plate of blower fan tower barrel operating room.
The housing 101 of common mode current suppressor 100 is provided with least one projection, and the bottom plate of blower fan tower barrel operating room is provided with
Housing 101 is integrally connected by the groove matched with projection, the embedded groove of projection with bottom plate.
Common mode current suppressor 100 is arranged on the electric current incoming line of fan converter close to the position of current transformer.
The housing 101 of common mode current suppressor 100 is prepared using ethylene methacrylic silastic material, ethylene methacrylic silicon rubber
Glue material is a kind of insulation high-temperature-resistant material commonly used in the prior art.
After adopting the above technical scheme, the utility model has the advantages that compared with prior art：
Described common mode current suppressor is simple in construction and can fast and effeciently eliminate transient current, drops as much as possible
Harmful effect low or that elimination transient current is to the device in circuit, especially when it is applied to high wind power generating set, is helped
In the stability for the core composition mechanism for improving wind power generating set, the generator in fan engine room particularly can be effectively avoided
Bearing is breakdown or impaired, and the service life of generator is longer.
Embodiment two
The present embodiment and the difference of embodiment one are：
The ferroso-ferric oxide magnetic core array 102 is circular ring type, and first, second wire coil winding is respectively wound around circular ring type
The symmetrical both sides of ferroso-ferric oxide magnetic core array 102, and the winding density of first, second wire coil and aoxidize three four
The coiling length of ferromagnetic core 102 is identical.
A kind of common mode current suppressor, common mode current suppressor 100 include housing 101 and the electricity being placed in inside housing 101
Magnetic coil, the inside of housing 101 are provided with the groove to match with magnet coil shape, magnet coil insertion groove and housing 101
It is fixed, and housing 101 is provided with thermal vias 1011.
Magnet coil include ferroso-ferric oxide magnetic core array 102, be wrapped in the periphery of ferroso-ferric oxide magnetic core array 102 first,
Second wire coil winding.
The ferroso-ferric oxide magnetic core array 102 is circular ring type, and first, second wire coil winding is respectively wound around circular ring type
The symmetrical both sides of ferroso-ferric oxide magnetic core array 102, and the winding density of first, second wire coil and aoxidize three four
The coiling length of ferromagnetic core 102 is identical.
The shape of groove for installing Motionless electromagnetic coil is also circular ring type, and realize chimeric with groove of magnet coil is fixed
Connection, it is not necessary to extra fixation accessory etc., simplify structure and save cost, but also failure can be reduced
Probability.
The wire of wire coil 103 is cylindric, includes nickel dam, layers of copper and insulating lacquer layer, nickel dam footpath successively from inside to outside
It is the 1/4~1/3 of layers of copper radial thickness to thickness.
The thermal vias 1011 is manhole or strip through hole, and the manhole or strip through hole are equal
It is distributed in evenly close to the position on magnet coil periphery, thermal vias 1011 is arranged to strip in the present embodiment, in this way, radiating
Effect it is preferable.
Certainly, it is also that can reach certain radiating effect using the heat emission hole of other shapes, described manhole
Or strip through hole is cheap relative to the die casting cost of other through holes and can reach preferable radiating effect.
The common mode current suppressor 100 is located on the electric current incoming line of the fan converter of wind power generating set, altogether
The housing 101 of mould current suppressor 100 is connected on the bottom plate of blower fan tower barrel operating room.
The housing 101 of common mode current suppressor 100 is provided with least one projection, and the bottom plate of blower fan tower barrel operating room is provided with
Housing 101 is integrally connected by the groove matched with projection, the embedded groove of projection with bottom plate.
Common mode current suppressor 100 is arranged on the electric current incoming line of fan converter close to the position of current transformer.
The housing 101 of common mode current suppressor 100 is prepared using ethylene methacrylic silastic material, ethylene methacrylic silicon rubber
Glue material is a kind of insulation high-temperature-resistant material commonly used in the prior art.
After adopting the above technical scheme, the utility model has the advantages that compared with prior art：
Described common mode current suppressor is simple in construction and can fast and effeciently eliminate transient current, drops as much as possible
Harmful effect low or that elimination transient current is to the device in circuit, especially when it is applied to high wind power generating set, is helped
In the stability for the core composition mechanism for improving wind power generating set, the generator in fan engine room particularly can be effectively avoided
Bearing is breakdown or impaired, and the service life of generator is longer.
Described above is only preferred embodiment of the present utility model, not the utility model is made any formal
Limitation, although the utility model is disclosed above with preferred embodiment, but is not limited to the utility model, any to be familiar with
The technical staff of this patent is not being departed from the range of technical solutions of the utility model, when the technology contents work using above-mentioned prompting
Go out a little change or be modified to the equivalent embodiment of equivalent variations, as long as being the content without departing from technical solutions of the utility model,
Any simple modification, equivalent change and modification made according to the technical essence of the utility model to above example, still belongs to
In the range of the utility model.
Claims (10)
1. a kind of common mode current suppressor, it is characterised in that common mode current suppressor (100) includes housing (101) and is placed in shell
The internal magnet coil of body (101), the inside of housing (101) are provided with the groove to match with magnet coil shape, magnet coil
Embedded groove and housing (101) are fixed, and housing (101) is provided with thermal vias (1011).
2. common mode current suppressor according to claim 1, it is characterised in that magnet coil includes ferroso-ferric oxide magnetic core
Body (102), the first, second wire coil winding for being wrapped in ferroso-ferric oxide magnetic core array (102) periphery.
3. common mode current suppressor according to claim 2, it is characterised in that the ferroso-ferric oxide magnetic core array (102)
For U-shaped, first, second wire coil winding be equably wrapped in the ferroso-ferric oxide magnetic core array (102) of U-shaped first,
On second arm, and the winding density of wire coil (103) and the coiling length on ferroso-ferric oxide magnetic core array (102) surface
Together.
4. common mode current suppressor according to claim 3, it is characterised in that the wire of wire coil (103) is cylinder
Shape, includes nickel dam, layers of copper and insulating lacquer layer successively from inside to outside, and nickel dam radial thickness is the 1/4~1/3 of layers of copper radial thickness.
5. common mode current suppressor according to claim 1, it is characterised in that the thermal vias (1011) is circular logical
Hole or strip through hole, and the manhole or strip through hole are evenly distributed in close to the portion on magnet coil periphery
Position.
6. common mode current suppressor according to claim 1, it is characterised in that the common mode current suppressor (100) sets
On the electric current incoming line of the fan converter of wind power generating set, housing (101) connection of common mode current suppressor (100)
On the bottom plate of blower fan tower barrel operating room.
7. common mode current suppressor according to claim 6, it is characterised in that the housing of common mode current suppressor (100)
(101) at least one projection is provided with, the bottom plate of blower fan tower barrel operating room is provided with the groove matched with projection, the embedded groove of projection
Housing (101) is integrally connected with bottom plate.
8. common mode current suppressor according to claim 6, it is characterised in that common mode current suppressor (100) is arranged on
Close to the position of current transformer on the electric current incoming line of fan converter.
9. common mode current suppressor according to claim 1, it is characterised in that the housing of common mode current suppressor (100)
(101) it is prepared using ethylene methacrylic silastic material.
10. common mode current suppressor according to claim 2, it is characterised in that the ferroso-ferric oxide magnetic core array (102)
For circular ring type, the ferroso-ferric oxide magnetic core array (102) that first, second wire coil winding is respectively wound around circular ring type is symmetrical
Both sides, and the winding density of first, second wire coil and identical in the coiling length of ferroso-ferric oxide magnetic core array (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720566584.8U CN207039441U (en) | 2017-05-19 | 2017-05-19 | A kind of common mode current suppressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720566584.8U CN207039441U (en) | 2017-05-19 | 2017-05-19 | A kind of common mode current suppressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207039441U true CN207039441U (en) | 2018-02-23 |
Family
ID=61480489
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720566584.8U Active CN207039441U (en) | 2017-05-19 | 2017-05-19 | A kind of common mode current suppressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207039441U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111765065A (en) * | 2019-03-29 | 2020-10-13 | 株式会社丰田自动织机 | Electric compressor |
-
2017
- 2017-05-19 CN CN201720566584.8U patent/CN207039441U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111765065A (en) * | 2019-03-29 | 2020-10-13 | 株式会社丰田自动织机 | Electric compressor |
| CN111765065B (en) * | 2019-03-29 | 2022-03-29 | 株式会社丰田自动织机 | Electric compressor |
| US11437181B2 (en) | 2019-03-29 | 2022-09-06 | Kabushiki Kaisha Toyota Jidoshokki | Motor-driven compressor |
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