CN109360723A - A kind of dry type axial direction double bundle transformer low-voltage coil structure and its production method - Google Patents
A kind of dry type axial direction double bundle transformer low-voltage coil structure and its production method Download PDFInfo
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- CN109360723A CN109360723A CN201811410794.3A CN201811410794A CN109360723A CN 109360723 A CN109360723 A CN 109360723A CN 201811410794 A CN201811410794 A CN 201811410794A CN 109360723 A CN109360723 A CN 109360723A
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- coil
- ontology
- lead
- axial direction
- lower coil
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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
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2847—Sheets; Strips
-
- 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
- H01F27/08—Cooling; Ventilating
- H01F27/085—Cooling by ambient air
-
- 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
- H01F27/2876—Cooling
-
- 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
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/32—Insulating of coils, windings, or parts thereof
- H01F27/324—Insulation between coil and core, between different winding sections, around the coil; Other insulation structures
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- 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
- H01F41/02—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 for manufacturing cores, coils, or magnets
- H01F41/04—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 for manufacturing cores, coils, or magnets for manufacturing coils
- H01F41/06—Coil winding
- H01F41/064—Winding non-flat conductive wires, e.g. rods, cables or cords
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- 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
- H01F41/02—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 for manufacturing cores, coils, or magnets
- H01F41/04—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 for manufacturing cores, coils, or magnets for manufacturing coils
- H01F41/10—Connecting leads to windings
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- 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
- H01F41/02—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 for manufacturing cores, coils, or magnets
- H01F41/04—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 for manufacturing cores, coils, or magnets for manufacturing coils
- H01F41/12—Insulating of windings
- H01F41/125—Other insulating structures; Insulating between coil and core, between different winding sections, around the coil
-
- 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
- H01F27/2847—Sheets; Strips
- H01F2027/2857—Coil formed from wound foil conductor
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Coils Of Transformers For General Uses (AREA)
Abstract
The present invention provides a kind of dry type axial direction double bundle transformer low-voltage coil structure, including coil, the coil includes the coil being located above, lower coil is fixedly connected with below the coil, it is connected with the coil lead by top outlet in the coil, the lower coil lead through coil and with coil lead same direction outlet is connected in the lower coil.Of the invention novel in design, structure is simple, not only increases production efficiency, changes assembly method, easy for installation, and saves installation cost, time saving and energy saving, has practicability.
Description
Technical field
The present invention relates to a kind of dry type axial direction double bundle transformer low-voltage coil structure and its production methods.
Background technique
At home, dry type axial direction double bundle low-voltage coil generallys use the structure divided axially up and down, double division coils point
Coiling is carried out for upper and lower two independent parts, is then successively carrying out suit assembly, dry type axial direction double bundle product is generally answered
In the projects such as photovoltaic, wind-powered electricity generation, the case of installation site generally outdoors becomes or Ou Bianzhong, installation space are limited.If using
Traditional axial direction double bundle loop construction, two winding protruding heads of low pressure axial split are respectively in upper and lower two sides, then low pressure is drawn
The design of busbar to low pressure cabinet body will be more complicated out, increases the usage amount of secondary side outgoing line busbar, so the difficulty of installation
With the cost is relatively high.Therefore, in order to facilitate user installation needs, installation cost is reduced, by the coil of low pressure axial direction double bundle
Lead outlet row is all in top outlet, and the same side outlet；This makes a big difference with traditional structure, is not changing shape
Under the premise of, inventing the new structure of one kind becomes the primary study problem of structure of the invention.
Summary of the invention
The present invention improves the above problem, i.e., it is axial that the technical problem to be solved in the present invention is to provide a kind of dry types
Double division transformer low-voltage coil structures, it is easy for installation, and save human cost.
Specific embodiments of the present invention are: the present invention provides a kind of dry type axial direction double bundle transformer low-voltage coil structure, packet
Coil is included, the coil includes the coil being located above, and is fixedly connected with lower coil, the coil below the coil
On be connected with coil lead by top outlet, be connected in the lower coil through coil and with coil lead
The lower coil lead of same direction outlet.
Further, there is the axial air flue through coil and lower coil on the coil.
Further, pad is equipped with balance epoxy plate of the coil lead emission rate to height above the lower coil lead,
The epoxy plate is fixed in lower coil.
Further, insulating layer is fixedly connected between the coil and lower coil.
Further, the coil includes coil ontology, and coiling is fixed with copper foil on the coil ontology, described
Lower coil ontology is equipped with below coil ontology, coiling is fixed with copper foil on the lower coil ontology.
Further, a kind of using a kind of dry type axial direction double bundle transformer low-voltage coil structure as claimed in claim 5
Production method, comprising the following steps: (1) coil ontology and lower coil ontology are simultaneously placed into same foil coil winding machine in,
Copper foil is equipped in foil coil winding machine；(2) coil lead is connect with coil ontology, coil lead is gone out by top
Line；(3) lower coil lead is connect with lower coil ontology, coil ontology is passed through from coil ontology, with its same direction
Outlet；(4) pad is equipped with balance epoxy plate of the coil lead emission rate to height above lower coil lead, and the epoxy plate is fixed
In lower coil, epoxy plate is fixed in lower coil ontology, and the width of guarantee coil and each layer copper foil of lower coil is to size same
One position；(5) insulating layer is fixedly connected between coil ontology and lower coil ontology；(6) start coil winding machine, upper and lower coil
Coiling is started simultaneously at, copper foil is wound on coil ontology and lower coil ontology, the coiling speed for controlling copper foil is identical；(7)
Correction processing is carried out to copper foil width direction, coil axial direction is avoided to generate large error.
Compared with prior art, the invention has the following advantages: the configuration of the present invention is simple, rationally, installation is just for design
Benefit not only improves assembly method, effectively increases working efficiency, and time saving and energy saving, reduces human cost, has practicability.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention.
In figure: 1- coil, 2- coil, 3- lower coil, 4- coil lead, 5- lower coil lead, 6- axial direction gas
Road, 7- epoxy plate, 8- insulating layer.
Specific embodiment
The present invention will be further described in detail with reference to the accompanying drawings and detailed description.
Embodiment: as shown in Figure 1, in the present embodiment, it is new that the present invention provides a kind of dry type axial direction double bundle low-voltage coil
Structure, including coil 1, the coil 1 include the coil 2 being located above, and are fixedly connected with lower coil below the coil 2
3, it is connected with the coil lead 4 by top outlet in the coil 2, is connected in the lower coil 3 through coil 2
And the lower coil lead 5 with the 4 same direction outlet of coil lead.
There is the axial air flue 6 through coil 2 and lower coil 3 in the present embodiment, on the coil 1, play ventilation and dissipate
The effect of heat.
In the present embodiment, pad is equipped with balance epoxy of the coil lead emission rate to height above the lower coil lead 5
Plate 7, the epoxy plate 7 are fixed in lower coil 3, to guarantee each layer copper foil in coil 2 and lower coil 3 or aluminium foil
Width is to size in the same position.
In the present embodiment, the epoxy plate 7 can also be DMD preimpregnation material, F(H) support plate made of grade material etc..
In the present embodiment, it is fixedly connected with insulating layer 8 between the coil and lower coil, coil strength can be reinforced,
It is durable.
In the present embodiment, the coil 2 includes coil ontology, and coiling is fixed with copper on the coil body surface
Foil, the coil ontology lower section are equipped with lower coil ontology, and coiling is fixed with copper foil on the lower coil body surface.
In the present embodiment, the copper foil can also be aluminium foil.
In the present embodiment, when work, coil ontology and lower coil ontology are placed into same foil coil winding machine simultaneously,
It is equipped with copper foil in foil coil winding machine, coil lead 4 is connect with coil ontology, coil lead 4 is gone out by top
Line, lower coil lead 5 are connect with lower coil ontology, and coil ontology is passed through from coil ontology, is gone out with its same direction
Line, 5 top position of lower coil lead pad are equipped with balance epoxy plate 7 of 4 width of coil lead to height, and epoxy plate 7 is placed in
In lower coil ontology, the width of guarantee coil and each layer copper foil of lower coil is to size in the same position, and coil ontology is under
It is fixedly connected with insulating layer between coil body, starts coil winding machine, upper and lower coil starts simultaneously at coiling, copper foil is wound on online
It encloses on ontology and lower coil ontology, the coiling speed for controlling copper foil is identical, finally carries out correction processing to copper foil width direction, keeps away
Exempt from coil axial direction and generates large error.The present invention greatly improves the installation of axial direction double bundle low voltage winding in transformers and low
Voltage lead wires assembly, improves production efficiency, and facilitates the installation of user scene bus, saves installation cost, not only easy to operate,
Novel design, it is time saving and energy saving, and there is practicability.
Any technical solution disclosed in aforementioned present invention unless otherwise stated, if it discloses numberical range,
Disclosed numberical range is preferred numberical range, and any it should be appreciated by those skilled in the art preferred numberical ranges
The only obvious or representative numerical value of technical effect in many enforceable numerical value.It, can not since numerical value is more
Exhaustion, so the present invention just discloses technical solution of the component values to illustrate the present invention, also, the above-mentioned numerical value enumerated is not
The limitation to the invention protection scope should be constituted.
Meanwhile if aforementioned present invention discloses or relates to the components or structural member of connection fastened to each other, except another
There is statement outer, is fixedly connected it is to be understood that connection (such as using bolt or screw connection) can be removedly fixed, it can also
To understand are as follows: non-removable to be fixedly connected with (such as riveting, welding), certainly, connection fastened to each other or integral type knot
Structure (such as manufacturing using casting technique is integrally formed) is replaced (obviously can not be using except integrally formed technique).
In addition, for indicating the art of positional relationship or shape applied in any technical solution disclosed in aforementioned present invention
Its meaning includes approximate with its, similar or close state or shape to language unless otherwise stated.
Either component provided by the invention by multiple individual component parts either assembled, or one
The separate part that forming technology manufactures.
Finally it should be noted that: the above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof；To the greatest extent
The present invention is described in detail with reference to preferred embodiments for pipe, it should be understood by those ordinary skilled in the art that: still
It can modify to a specific embodiment of the invention or some technical features can be equivalently replaced；Without departing from this hair
The spirit of bright technical solution should all cover within the scope of the technical scheme claimed by the invention.
Claims (6)
1. a kind of dry type axial direction double bundle transformer low-voltage coil structure, which is characterized in that including coil, the coil includes positioned at upper
The coil of side, the coil lower section are fixedly connected with lower coil, are connected in the coil by the online of top outlet
Lead is enclosed, the lower coil lead through coil and with coil lead same direction outlet is connected in the lower coil
Row.
2. a kind of dry type axial direction double bundle transformer low-voltage coil structure according to claim 1, which is characterized in that the coil
The upper axial air flue with through coil and lower coil.
3. a kind of dry type axial direction double bundle transformer low-voltage coil structure according to claim 2, which is characterized in that described offline
It encloses pad above lead and is equipped with balance epoxy plate of the coil lead emission rate to height, the epoxy plate is fixed in lower coil.
4. a kind of dry type axial direction double bundle transformer low-voltage coil structure according to claim 3, which is characterized in that described online
Insulating layer is fixedly connected between circle and lower coil.
5. a kind of dry type axial direction double bundle transformer low-voltage coil structure according to claim 4, which is characterized in that described online
Circle includes coil ontology, and coiling is fixed with copper foil on the coil ontology, is equipped with lower coil below the coil ontology
Ontology, coiling is fixed with copper foil on the lower coil ontology.
6. a kind of utilize a kind of production method of dry type axial direction double bundle transformer low-voltage coil structure as claimed in claim 5,
It is characterized in that, comprising the following steps: (1) coil ontology and lower coil ontology are simultaneously placed into same foil coil winding machine in,
Copper foil is equipped in foil coil winding machine；(2) coil lead is connect with coil ontology, coil lead is gone out by top
Line；(3) lower coil lead is connect with lower coil ontology, coil ontology is passed through from coil ontology, with its same direction
Outlet；(4) lower coil lead top position pad is equipped with balance epoxy plate of the coil lead emission rate to height, and epoxy plate is placed in
In lower coil ontology, the width of guarantee coil and each layer copper foil of lower coil is to size in the same position；(5) coil ontology with
Insulating layer is fixedly connected between lower coil ontology；(6) start coil winding machine, upper and lower coil starts simultaneously at coiling, copper foil is wound on
On coil ontology and lower coil ontology, the coiling speed for controlling copper foil is identical；(7) copper foil width direction is carried out at correction
Reason avoids coil axial direction from generating large error.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811410794.3A CN109360723A (en) | 2018-11-24 | 2018-11-24 | A kind of dry type axial direction double bundle transformer low-voltage coil structure and its production method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811410794.3A CN109360723A (en) | 2018-11-24 | 2018-11-24 | A kind of dry type axial direction double bundle transformer low-voltage coil structure and its production method |
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| Publication Number | Publication Date |
|---|---|
| CN109360723A true CN109360723A (en) | 2019-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811410794.3A Pending CN109360723A (en) | 2018-11-24 | 2018-11-24 | A kind of dry type axial direction double bundle transformer low-voltage coil structure and its production method |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201256055Y (en) * | 2008-09-02 | 2009-06-10 | 山东金曼克变压器有限公司 | Low voltage coil for dry transformer |
| CN202189656U (en) * | 2011-08-11 | 2012-04-11 | 天津市特变电工变压器有限公司 | Foil wound coil using hollow airway strip |
| CN204926991U (en) * | 2015-07-29 | 2015-12-30 | 江苏宏源电气有限责任公司 | Two transformer with split windings of silicon steel dry -type |
| CN105810411A (en) * | 2016-04-27 | 2016-07-27 | 白城电力镇赉变压器有限责任公司 | Structure and process of integrally wound foil coil of low voltage winding of axial split transformer |
| CN106205976A (en) * | 2016-07-01 | 2016-12-07 | 宁波奥克斯高科技有限公司 | Double division photovoltaic structure changes |
| CN106803456A (en) * | 2017-03-23 | 2017-06-06 | 江西特种变压器厂 | Foil cast winding and its manufacture method of a kind of four terminals of axial split one side |
| CN209118901U (en) * | 2018-11-24 | 2019-07-16 | 福州天宇电气股份有限公司 | A kind of dry type axial direction double bundle transformer low-voltage coil structure |
-
2018
- 2018-11-24 CN CN201811410794.3A patent/CN109360723A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201256055Y (en) * | 2008-09-02 | 2009-06-10 | 山东金曼克变压器有限公司 | Low voltage coil for dry transformer |
| CN202189656U (en) * | 2011-08-11 | 2012-04-11 | 天津市特变电工变压器有限公司 | Foil wound coil using hollow airway strip |
| CN204926991U (en) * | 2015-07-29 | 2015-12-30 | 江苏宏源电气有限责任公司 | Two transformer with split windings of silicon steel dry -type |
| CN105810411A (en) * | 2016-04-27 | 2016-07-27 | 白城电力镇赉变压器有限责任公司 | Structure and process of integrally wound foil coil of low voltage winding of axial split transformer |
| CN106205976A (en) * | 2016-07-01 | 2016-12-07 | 宁波奥克斯高科技有限公司 | Double division photovoltaic structure changes |
| CN106803456A (en) * | 2017-03-23 | 2017-06-06 | 江西特种变压器厂 | Foil cast winding and its manufacture method of a kind of four terminals of axial split one side |
| CN209118901U (en) * | 2018-11-24 | 2019-07-16 | 福州天宇电气股份有限公司 | A kind of dry type axial direction double bundle transformer low-voltage coil structure |
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