CN104269241A - Electric reactor - Google Patents

Electric reactor Download PDF

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Publication number
CN104269241A
CN104269241A CN201410553944.1A CN201410553944A CN104269241A CN 104269241 A CN104269241 A CN 104269241A CN 201410553944 A CN201410553944 A CN 201410553944A CN 104269241 A CN104269241 A CN 104269241A
Authority
CN
China
Prior art keywords
coil
reactor
core
bonding
wire
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201410553944.1A
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Chinese (zh)
Inventor
郭滨钊
张松
孙莉
冯超
戚红向
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xiayi county power supply bureau
Original Assignee
Xiayi county power supply bureau
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xiayi county power supply bureau filed Critical Xiayi county power supply bureau
Priority to CN201410553944.1A priority Critical patent/CN104269241A/en
Publication of CN104269241A publication Critical patent/CN104269241A/en
Pending legal-status Critical Current

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Abstract

The embodiment of the invention discloses an electric reactor and relates to the technical field of power devices. The electric reactor comprises an electric reactor core, a first coil, a second coil and a cooler. The first coil is formed by spirally winding a first lead wire. The second coil is formed by spirally winding a second lead wire on the first lead wire of the first coil. The first end of the first lead wire is connected with the first end of the second lead wire. The electric reactor core is an airtight annular magnetic circuit, and the first coil and the second coil are evenly wound on the electric reactor core. At least one of the electric reactor core, the first coil and the second coil is fixed by the cooler through a bonding area. The bonding area is formed by a moisture-cured bonding agent. The bonding area in at least one plane is composed of a plurality of bonding portions arranged non-continuously. The heat radiation performance of the electric reactor is improved, manufacturing cost is reduced, and national economic and social progress is facilitated.

Description

A kind of reactor
Technical field
The embodiment of the present invention relates to electrical equipment technical field, particularly relates to a kind of reactor.
Background technology
Along with various equipment modernization grows in intensity the trend constantly strengthened, people propose more and more higher requirement to power equipment.For reactor, reactor is by the passive component that such as make use of winding imported to circuit for the purpose of reactance, such as, be used in the preventing of the higher harmonic current in power factor correction circuit, current mode transducer and chopper control in the smoothing of current pulsation and direct voltage in converter various electronic circuit, the electric circuit etc. such as boosting in.And, in electric power system, reactor is used as: for enter phase reactive current compensate and the shunt reactor suppressing receiving end voltage to rise, for improve the impedance of the system that will suppress short circuit capacitance series reactor (current limiting reactor) and for eliminating a line ground connection time arc-suppression reactor (neutral reactor) etc. of fault current that occurs.
Normally used reactor is provided with reactor core and such as two coils, reactor core is general toroidal and indulges when directly watching is wide, two coils are arranged on around reactor core, and, reactor is contained in housing (shell) (notes there is the reactor without this housing).More specifically, in some forms of this reactor, be integrally formed with insulating resin component at the whole circumference place of reactor core, this insulating resin component is also used as drum stand, or place arranges drum stand around a part for reactor core.About the structure of this reactor core, it comprises the core of split, each core is formed by powder core or self stacking multiple electromagnetic steel plate, between the core of split, be provided with non magnetic gap plate or non-magnetic spacers, and gap plate (or distance piece) uses adhesive to be bonded to each other with the core of each split.The cooler etc. that lower surface (bottom surface) place is provided with heat radiation plate (radiator), cooling agent (such as, water at low temperature, Cryogenic air) cycles through it of reactor core.The heat produced at coil place during reactor is driven to be passed to radiator etc. via adhesion area from coil, or the heat trnasfer of coil is to reactor core and be passed to radiator etc. via adhesion area subsequently, thus prevent the temperature of coil and reactor core from increasing above predetermined temperature.
But, may be that these problems caused by using hot setting adhesive can be avoided by instead using moisture-curable adhesive.When using moisture-curable adhesive, the adhesive applied solidifies from surface to its deep inside, depths is low significantly therein for the curability of therefore applied adhesive, the time needed for entirety of thus solidifying the adhesive applied is long, that is, the time completed needed for adhesive applying is long.Meanwhile, about adhesive viscosities, if it is too low, then applied adhesive flow, thus expectation form cannot be held in, and this may cause insufficient bonding of reactor core as pyrotoxin and coil, thus reduce the heat dispersion of reactor core and coil.
Summary of the invention
For the problems referred to above, the embodiment of the present invention provides a kind of reactor, be intended to solve in existing reactor and complete adhesive to apply the long making and installation efficiency caused of required time low, and if the technical problem that reduces of the adhesive flow reactor core that causes reactor core and the insufficient bonding of coil to cause and coil heat dispersion.
For achieving the above object, embodiments provide a kind of reactor, described reactor comprises: reactor core, the first coil, the second coil, cooler; Described first coil is formed by the first wire spiral winding; Described second coil is formed by the first wire of the first coil described in the second wire spiral winding; The first end of described first wire is connected with the first end of described second wire; Described reactance magnetic core is airtight annular magnetic circuit, and described first coil and described second coil uniform ring are around described reactance magnetically; Described cooler via adhesion area fix described reactor core, described first coil, described second coil at least one; Described adhesion area is formed by moisture-curable adhesive; In at least one plane of described adhesion area, described adhesion area is distributed as the multiple bonding parts arranged discontinuously and forms.
Further, described second wire overlapping with described first coil at least partially, described second coil comprises described lap; Further, the interval between the adjacent turns forming described second coil is wider than the interval between the adjacent turns forming described first coil.
Further, described second coil comprises paired coil part; Described reactance magnetic core comprises the paired inner core of reactance and outer core; Described inner core is provided with described coil part; Described outer core is arranged in the mode be clipped between the inner core that is arranged in parallel, and formed in the wire of the wire turn of a described coil part at least partially with formed another coil part wire turn wire in axially arranging with overlapping relation at least partially along described second coil.
Further, described adhesion area adopts and to be formed by described moisture-curable adhesive and the microscler bonding part extended continuously is formed or adopt each freedom described moisture-curable adhesive to be formed and the multiple microscler bonding part arranged discontinuously is formed.
Further, the described microscler bonding part extended continuously is tortuous single microscler bonding part or spiral single microscler bonding part; And/or,
The described microscler bonding part arranged discontinuously is substantially parallel each other and the different and circular microscler bonding part be spaced apart from each other of the straight microscler bonding part be spaced apart from each other or each other diameter.
Further, described reactor also comprises housing; In described reactor core, described first coil and described second coil cover by described housing; The inner surface of described housing is provided with radiator structure, and described radiator structure is used at least one heat radiation in described reactor core, described first coil and described second coil.
Further, the radiator structure of described shell inner surface is different from the outer surface of described housing; Described radiator structure is formed by with the inner surface that the external shape of at least one in described First Line turn coil, described second coil and described reactor core part is formed accordingly.
Further, described adhesion area comprises at least five gaps, and described at least five gaps do not have described moisture-curable adhesive and described at least five gaps are arranged at least one in-plane described in described adhesion area.
Further, described moisture-curable adhesive is silicone-based moisture-curable adhesive or acrylic acid series moisture-curable adhesive.
Further, at least one in described first coil and described second coil comprises paired coil part, described reactance magnetic core is annular element, it comprises paired inner core and outer core, described coil part is arranged in above described inner core, described outer core is arranged in the mode be clipped between the inner core that is arranged in parallel, coil part at least one coil described is all the flat coils formed by being wound around coating rectangular conductor in edge-wind mode, coating rectangular conductor comprises the conductor be made up of rectangular conductor and the insulation coating be formed on the periphery of described conductor, and at least one coil described forms by being welded to each other the corresponding one end of the coating rectangular conductor forming described coil part.
Compared with prior art, embodiments provide a kind of reactor, comprised the structural design of reactor core, the first coil, the second coil, cooler by reactor, decrease in existing reactor and complete adhesive applying required time, the making and installation efficiency that improve reactor is low; Colleague, improves the heat dispersion of reactor core and coil, improves the operating efficiency of reactor, be conducive to the raising of social productive forces.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the embodiment of the present invention is described further.
As shown in Figure 1, a kind of reactor that Fig. 1 provides for the embodiment of the present invention, described reactor comprises: reactor core 10, first coil 20, second coil 30, cooler 40; Described first coil 20 is formed by the first wire spiral winding; Described second coil 30 is formed by the first wire of the first coil 20 described in the second wire spiral winding; The first end of described first wire is connected with the first end of described second wire; Described reactance magnetic core 10 is in airtight annular magnetic circuit, and described first coil 20 and described second coil 30 uniform ring are around described reactance magnetically; Described cooler 40 via adhesion area 50 fix described reactor core 10, described first coil 20, described second coil 30 at least one; Described adhesion area 50 is formed by moisture-curable adhesive; In at least one plane of described adhesion area 50, described adhesion area 50 is distributed as the multiple bonding parts arranged discontinuously and forms.
Compared with prior art, embodiments provide a kind of reactor, comprised the structural design of reactor core, the first coil, the second coil, cooler by reactor, decrease in existing reactor and complete adhesive applying required time, the making and installation efficiency that improve reactor is low; Colleague, improves the heat dispersion of reactor core and coil, improves the operating efficiency of reactor, be conducive to the raising of social productive forces.
Improve further as the embodiment of the present invention, described second wire overlapping with described first coil at least partially, described second coil comprises described lap; Further, the interval between the adjacent turns forming described second coil is wider than the interval between the adjacent turns forming described first coil.
Improve further as the embodiment of the present invention, described second coil comprises paired coil part; Described reactance magnetic core comprises the paired inner core of reactance and outer core; Described inner core is provided with described coil part; Described outer core is arranged in the mode be clipped between the inner core that is arranged in parallel, and formed in the wire of the wire turn of a described coil part at least partially with formed another coil part wire turn wire in axially arranging with overlapping relation at least partially along described second coil.
Improve further as the embodiment of the present invention, described adhesion area adopts and to be formed by described moisture-curable adhesive and the microscler bonding part extended continuously is formed or adopt each freedom described moisture-curable adhesive to be formed and the multiple microscler bonding part arranged discontinuously is formed.
Improve further as the embodiment of the present invention, the described microscler bonding part extended continuously is tortuous single microscler bonding part or spiral single microscler bonding part; And/or,
The described microscler bonding part arranged discontinuously is substantially parallel each other and the different and circular microscler bonding part be spaced apart from each other of the straight microscler bonding part be spaced apart from each other or each other diameter.
Improve further as the embodiment of the present invention, described reactor also comprises housing; In described reactor core, described first coil and described second coil cover by described housing; The inner surface of described housing is provided with radiator structure, and described radiator structure is used at least one heat radiation in described reactor core, described first coil and described second coil.
Improve further as the embodiment of the present invention, the radiator structure of described shell inner surface is different from the outer surface of described housing; Described radiator structure is formed by with the inner surface that the external shape of at least one in described First Line turn coil, described second coil and described reactor core part is formed accordingly.
Improve further as the embodiment of the present invention, described adhesion area comprises at least five gaps, and described at least five gaps do not have described moisture-curable adhesive and described at least five gaps are arranged at least one in-plane described in described adhesion area.
Improve further as the embodiment of the present invention, described moisture-curable adhesive is silicone-based moisture-curable adhesive or acrylic acid series moisture-curable adhesive.
Improve further as the embodiment of the present invention, at least one in described first coil and described second coil comprises paired coil part, described reactance magnetic core is annular element, it comprises paired inner core and outer core, described coil part is arranged in above described inner core, described outer core is arranged in the mode be clipped between the inner core that is arranged in parallel, coil part at least one coil described is all the flat coils formed by being wound around coating rectangular conductor in edge-wind mode, coating rectangular conductor comprises the conductor be made up of rectangular conductor and the insulation coating be formed on the periphery of described conductor, and at least one coil described forms by being welded to each other the corresponding one end of the coating rectangular conductor forming described coil part.
By reference to the accompanying drawings the embodiment of the present invention is exemplarily described above; obvious embodiment of the present invention specific implementation is not subject to the restrictions described above; as long as have employed the improvement of the various unsubstantialities that method is conceived and technical scheme is carried out of the embodiment of the present invention; or the design of the embodiment of the present invention and technical scheme directly applied to other occasion, all within the protection range of the embodiment of the present invention without to improve.

Claims (10)

1. a reactor, is characterized in that, described reactor comprises: reactor core, the first coil, the second coil, cooler; Described first coil is formed by the first wire spiral winding; Described second coil is formed by the first wire of the first coil described in the second wire spiral winding; The first end of described first wire is connected with the first end of described second wire; Described reactance magnetic core is airtight annular magnetic circuit, and described first coil and described second coil uniform ring are around described reactance magnetically; Described cooler via adhesion area fix described reactor core, described first coil, described second coil at least one; Described adhesion area is formed by moisture-curable adhesive; In at least one plane of described adhesion area, described adhesion area is distributed as the multiple bonding parts arranged discontinuously and forms.
2. a kind of reactor according to claim 1, is characterized in that, described second wire overlapping with described first coil at least partially, and described second coil comprises described lap; Further, the interval between the adjacent turns forming described second coil is wider than the interval between the adjacent turns forming described first coil.
3. a kind of reactor according to claim 1 and 2, is characterized in that, described second coil comprises paired coil part; Described reactance magnetic core comprises the paired inner core of reactance and outer core; Described inner core is provided with described coil part; Described outer core is arranged in the mode be clipped between the inner core that is arranged in parallel, and formed in the wire of the wire turn of a described coil part at least partially with formed another coil part wire turn wire in axially arranging with overlapping relation at least partially along described second coil.
4. according to the arbitrary described a kind of reactor of claim 1-3, it is characterized in that, described adhesion area adopts and to be formed by described moisture-curable adhesive and the microscler bonding part extended continuously is formed or adopt each freedom described moisture-curable adhesive to be formed and the multiple microscler bonding part arranged discontinuously is formed.
5. a kind of reactor according to claim 4, is characterized in that, the described microscler bonding part extended continuously is tortuous single microscler bonding part or spiral single microscler bonding part; And/or,
The described microscler bonding part arranged discontinuously is substantially parallel each other and the different and circular microscler bonding part be spaced apart from each other of the straight microscler bonding part be spaced apart from each other or each other diameter.
6., according to the arbitrary described a kind of reactor of claim 1-5, it is characterized in that, described reactor also comprises housing; In described reactor core, described first coil and described second coil cover by described housing; The inner surface of described housing is provided with radiator structure, and described radiator structure is used at least one heat radiation in described reactor core, described first coil and described second coil.
7. reactor according to claim 6, is characterized in that, the radiator structure of described shell inner surface is different from the outer surface of described housing; Described radiator structure is formed by with the inner surface that the external shape of at least one in described First Line turn coil, described second coil and described reactor core part is formed accordingly.
8. according to the arbitrary described reactor of claim 1-7, it is characterized in that, described adhesion area comprises at least five gaps, and described at least five gaps do not have described moisture-curable adhesive and described at least five gaps are arranged at least one in-plane described in described adhesion area.
9., according to the arbitrary described reactor of claim 1-8, it is characterized in that, described moisture-curable adhesive is silicone-based moisture-curable adhesive or acrylic acid series moisture-curable adhesive.
10. according to the arbitrary described reactor of claim 1-9, it is characterized in that, at least one in described first coil and described second coil comprises paired coil part, described reactance magnetic core is annular element, it comprises paired inner core and outer core, described coil part is arranged in above described inner core, described outer core is arranged in the mode be clipped between the inner core that is arranged in parallel, coil part at least one coil described is all the flat coils formed by being wound around coating rectangular conductor in edge-wind mode, coating rectangular conductor comprises the conductor be made up of rectangular conductor and the insulation coating be formed on the periphery of described conductor, and at least one coil described forms by being welded to each other the corresponding one end of the coating rectangular conductor forming described coil part.
CN201410553944.1A 2014-10-17 2014-10-17 Electric reactor Pending CN104269241A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410553944.1A CN104269241A (en) 2014-10-17 2014-10-17 Electric reactor

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Application Number Priority Date Filing Date Title
CN201410553944.1A CN104269241A (en) 2014-10-17 2014-10-17 Electric reactor

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CN104269241A true CN104269241A (en) 2015-01-07

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105826035A (en) * 2015-01-26 2016-08-03 丰田自动车株式会社 Reactor
CN109148103A (en) * 2017-06-27 2019-01-04 矢崎总业株式会社 noise reduction unit
CN111799088A (en) * 2019-04-08 2020-10-20 丰田自动车株式会社 Method for manufacturing reactor

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105826035A (en) * 2015-01-26 2016-08-03 丰田自动车株式会社 Reactor
CN109148103A (en) * 2017-06-27 2019-01-04 矢崎总业株式会社 noise reduction unit
CN111799088A (en) * 2019-04-08 2020-10-20 丰田自动车株式会社 Method for manufacturing reactor
CN111799088B (en) * 2019-04-08 2022-03-22 丰田自动车株式会社 Method for manufacturing reactor

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