CN206412188U - One kind three isolates control transformer - Google Patents
One kind three isolates control transformer Download PDFInfo
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- CN206412188U CN206412188U CN201621369581.7U CN201621369581U CN206412188U CN 206412188 U CN206412188 U CN 206412188U CN 201621369581 U CN201621369581 U CN 201621369581U CN 206412188 U CN206412188 U CN 206412188U
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Abstract
The utility model is related to field transformer, more particularly to one kind three isolates control transformer, and the utility model is adopted the following technical scheme that:Including winding, iron core, skeleton and insulation board, winding is enclosed on the stem of iron core and wrapped up by insulating paper;Winding includes first winding and secondary winding, and concentric type winding is used between first winding and secondary winding, and between the two provided with shielding copper foil;Triangle junction is used between each group first winding, secondary winding uses star connection, and secondary winding is provided with tap;Iron core is made up of E fonts silicon steel sheet and the splicing superposition of I fonts silicon steel sheet;Iron core is fixed on skeleton by screw and nut;Insulation board is provided between iron core and winding;Skeleton is zinc-plated.The utility model has the advantage of:High degree of isolation, N G be functional, height touches that AF panel, noise are small, loss is low, safe and reliable and anticorrosion altogether.
Description
Technical field:
The utility model is related to field transformer, more particularly to one kind three isolates control transformer.
Background technology:
Three, which isolate control transformer, belongs to safety power supply, is generally used for electronics industry or industrial and mining enterprises, lathe and machinery
The voltage conversion of general circuit in equipment;Three now isolate control transformer and generally there are that noise is big, interference surrounding electrical equipment
Equipment, loss height, anticorrosive property are poor, reliability is low and the low shortcoming of security, thus are badly in need of a kind of small noise, anticorrosion, height
Reliability and low-loss transformer.
Utility model content:
The purpose of this utility model is that providing one kind three isolates control transformer, more particularly to a kind of high degree of isolation,
Noise is small, N-G is functional, the suppression of height common mode disturbances, anticorrosion, high reliability and low-loss transformer.
To reach above-mentioned purpose, the utility model is adopted the following technical scheme that:Including winding, iron core, skeleton and insulation board,
Winding has three groups, and every group of winding construction is identical, and every group of winding includes first winding and secondary winding, and iron core has three cores
Post, three groups of windings are respectively fitted on three stems.
Further, iron core by day font silicon steel sheet superposition constitute, day font silicon steel sheet by I fonts silicon steel sheet splice in E
Constituted at font silicon steel sheet opening, E fonts silicon steel sheet is identical with I font silicon steel sheet thickness, superposition constitutes every adjacent the two of iron core
The E font silicon steel sheet positions of piece day font silicon steel sheet are with I font silicon steel sheet positions on the contrary, two horizontal edges of day font silicon steel sheet are set
There are three fixing holes.
Further, skeleton includes anter and rear piece, and the profile of anter and rear piece is rectangle and size and day font silicon steel
Piece size is corresponding.
Further, the top margin of anter and base are respectively provided with three fixing holes, and the top margin of rear piece and base are respectively provided with three
The fixing hole of fixing hole, anter and rear piece is corresponding and corresponding with the fixing hole of day font silicon steel sheet;Transformer is provided with solid
Determine screw and fixing nut, fixed screw diameter is corresponding with the fixation bore dia of day font silicon steel sheet, and fixed screw length is big
Gross thickness after iron core is superimposed with skeleton.
Further, the top margin and base of anter and rear piece are respectively provided with support eaves, and the support eaves of top margin is provided with hanger, bottom
The support eaves on side is provided with fixing groove.
In order to prevent skeleton rust corrosion, anter and rear piece for zinc-plated making and scribble baking vanish on the surface except bottom.
Further, insulation board includes upper yoke insulation board and lower yoke insulation board, and upper yoke insulation board is located at winding
Between the upper iron of top and iron core is gripped, lower yoke insulation board is between the lower iron of the bottom of winding and iron core is gripped.
Further, transformer top is provided with the first binding post, the second binding post and the 3rd binding post;Three group one
Bind mode between secondary winding is triangle junction, and three tie-points connect the first binding post respectively;Three groups of secondary windings
Between bind mode be star connection, four tie-points connect the second binding post respectively.
Further, three groups of secondary windings are respectively provided with tap, and three taps connect the 3rd binding post respectively.
It is preferred that, first winding and secondary winding are used including first winding, the concentric type winding set of secondary winding outside
On stem, provided with shielding copper foil between first winding and secondary winding, insulation material is provided between shielding copper foil and first winding
Material, is provided with insulating materials between shielding copper foil and secondary winding, winding is wrapped up using insulating paper.
Further, grounding screw is provided with the top of anter, grounding screw is connected by insulated electric conductor and shielding copper foil.
The utility model has the advantage of:
1, first winding uses triangle junction, and secondary winding uses star connection, can reduce inside transformer generation
High-frequency impulse noise;
2, the tap of secondary winding can be set according to particular condition in use, meet different demands;
3, first winding adds copper foils for shielding with secondary winding, and height common mode disturbances suppress;
4, transformer is provided with insulation board and insulating paper, and electric property is safe and reliable;
5, skeleton is zinc-plated, and anticorrosive property is strong.
Brief description of the drawings:
Accompanying drawing 1 is a kind of the three of embodiment 1 three-dimensional structure diagram for isolating control transformer;
How accompanying drawing 2 is superimposed the schematic diagram for constituting iron core for the E fonts silicon steel sheet and I fonts silicon steel sheet of embodiment 1;
Accompanying drawing 3 for embodiment 1 iron core how schematic diagram fixed on skeleton;
Accompanying drawing 4 is a kind of the three of embodiment 2 three-dimensional structure diagram for isolating control transformer;
Accompanying drawing 5 is a kind of the three of embodiment 3 three-dimensional structure diagram for isolating control transformer.
Embodiment:
Embodiment 1:Referring to figs. 1 to Fig. 3, including winding 1, iron core 2, skeleton 3 and insulation board 4, winding 1 has three groups, often
The group structure of winding 1 is identical, and every group of winding 1 includes first winding and secondary winding, between first winding and secondary winding mutually absolutely
Edge, iron core 2 has three stems 21, and three groups of windings 1 are respectively fitted on three stems 21.
Iron core 2 by day font silicon steel sheet superposition constitute, day font silicon steel sheet spliced by I fonts silicon steel sheet 23 in E font silicons
Constituted at the opening of steel disc 22, E fonts silicon steel sheet 22 is identical with I fonts 23 thickness of silicon steel sheet, superposition constitutes every adjacent the two of iron core 2
The position of E fonts silicon steel sheet 22 of piece day font silicon steel sheet is with the position of I fonts silicon steel sheet 23 on the contrary, the iron core of this overlapping type can
Reduce leakage field, day two horizontal edges of font silicon steel sheet be respectively provided with three fixing holes.
Skeleton 3 includes anter 31 and rear piece 32, and the profile of anter 31 and rear piece 32 is rectangle and size and day font silicon steel
Piece size is corresponding.
The top margin of anter 31 and base are respectively provided with three fixing holes, and the top margin of rear piece 32 and base are respectively provided with three fixations
The fixing hole of hole, anter 31 and rear piece 32 is corresponding and corresponding with the fixing hole of day font silicon steel sheet, day font silicon steel sheet
The iron core 2 that superposition is constituted is placed in the middle of anter 31 and rear piece.
Transformer is provided with fixed screw 6 and fixing nut 7, and the fixing hole of the diameter of fixed screw 6 and day font silicon steel sheet is straight
Footpath is corresponding, and the length of fixed screw 6 is more than the gross thickness after iron core 2 is superimposed with skeleton 3, and fixed screw 6 is from the fixation of rear 32
Hole is inserted and runs through the fixing hole of iron core 2 and the fixing hole of anter 31, and nut is screwed in the part for stretching out anter 31 in fixed screw 6
7, you can iron core 2 is fixed between anter 31 and rear piece 32.
The top margin and base of anter 31 and rear piece 32 are respectively provided with support eaves, and the support eaves of top margin is provided with hanger 33, base
Support eaves be provided with fixing groove 34, hanger 33 facilitates the lifting of transformer, and fixing groove 34 coordinates screw or nail using can
Transformer is securely fixed on loading end.
Insulation board 4 includes upper yoke insulation board 41 and lower iron grips insulation board 42, and upper yoke insulation board 41 is located at the top of winding 1
Between the upper iron of portion and iron core 2 is gripped, lower yoke insulation board 42 is between the lower iron of the bottom of winding 1 and iron core 2 is gripped, so as to rise
To more preferable insulation effect.
Transformer top is provided with the first binding post 51, the second binding post 52 and the 3rd binding post 53, and three groups once
Bind mode between winding is triangle junction, and three tie-points connect the first binding post 51 respectively;Three groups of secondary windings
Between bind mode be star connection, four tie-points connect the second binding post 52 respectively;First winding uses triangle
It is coupled, secondary winding uses star connection, reduces the high-frequency impulse noise of inside transformer generation.
Three groups of secondary windings are respectively provided with tap, and three taps connect the 3rd binding post 53 respectively, and the setting of tap causes
The output voltage of secondary winding can be adjusted according to actual needs.
First winding and secondary winding are used including first winding, and the concentric type winding of secondary winding outside is enclosed on stem 21
On, provided with shielding copper foil between first winding and secondary winding, the top of anter 31 is provided with grounding screw 35, and grounding screw 35 passes through
Insulated electric conductor and shielding copper foil connection, reduce interference.
Shield and insulating materials is provided between copper foil and first winding, insulation material is provided between shielding copper foil and secondary winding
Material, winding 1 is wrapped up using insulating paper, further improves the reliability and security of transformer.
Embodiment 2:On the basis of embodiment 1, reference picture 1-4, it is contemplated that skeleton 3 easily by corrosion the problem of, it is preceding
Piece 31 and rear piece 32 are zinc-plated and baking vanish is scribbled on the surface except bottom, therefore with preferable corrosion resistance, due to anter 31
Bottom with rear 32 need to keep electric conductivity, so the surface of bottom does not apply baking vanish.
Do not apply baking vanish in order to make up anter 31 and the bottom of rear piece 32 and cause the anticorrosive property of skeleton 3 to be deteriorated, the He of anter 31
The support eaves on the base of piece 32 is provided with anticorrosion box 36 afterwards, and anticorrosion box 36 is to support eaves as bottom, the place of anticorrosion box 36
Support eaves portion point strike off baking vanish, expose zinc-plated part, the inside of anticorrosion box 36 is placed with spelter, and spelter is with supporting eaves straight
Contact, due to the metal activity of spelter be better than it is zinc-plated, so spelter can substitute zinc-plated generation oxidation reaction, so that before protecting
Piece 31 and rear piece 32;Spelter is replaceable, so as to reach the effect of sustainable protection anter 31 and rear piece 32.
Embodiment 3:On the basis of embodiment 1, referring to figs. 1 to 3 and Fig. 5, in order to further improve the transformer
Security, grips the bottom of insulation board 42 provided with warm and humid sensor 37, warm and humid sensor 37 is except exposed, miscellaneous part of popping one's head in lower iron
It is hermetically sealed in box including supplying cell;Controllable open is in series between the tie-point of first winding and the first binding post 51
Close, the signal output part of warm and humid sensor 37 connects the control end of gate-controlled switch by electric wire.
When transformer overload works, environment temperature can be caused to raise, the temperature that temperature exceedes warm and humid sensor 37 is set
During definite value, warm and humid sensor 37 sends cut-off signal to gate-controlled switch, and gate-controlled switch disconnects first winding and the first binding post
51 connection, so that deenergization plays a part of protecting transformer.
When transformer is by water logging and water level exceeds warm and humid sensor 37, the humidity that now warm and humid sensor 37 is detected
For 100%, warm and humid sensor 37 sends cut-off signal to gate-controlled switch, and gate-controlled switch disconnects first winding and the first binding post
51 connection.
Certainly, the utility model better embodiment is these are only, use scope of the present utility model is not limited with this,
Therefore, it is every to be made in the utility model principle in the equivalent protection domain for changing and should be included in utility model.
Claims (10)
1. one kind three isolates control transformer, including winding, iron core, skeleton and insulation board, winding has three groups, every group of winding
Structure is identical, and every group of winding includes first winding and secondary winding, and iron core has three stems, and three groups of windings are respectively fitted over three
On stem, it is characterised in that:By day, the superposition of font silicon steel sheet is constituted the iron core, and day, font silicon steel sheet was by the spelling of I fonts silicon steel sheet
It is connected at E font silicon steel sheet openings and constitutes, E fonts silicon steel sheet is identical with I font silicon steel sheet thickness, superposition constitutes every phase of iron core
The E font silicon steel sheet positions of adjacent two panels day font silicon steel sheet are with I font silicon steel sheet positions on the contrary, two horizontal strokes of day font silicon steel sheet
While being respectively provided with three fixing holes.
2. according to claim 1 a kind of three isolate control transformer, it is characterised in that:The skeleton include anter and
The profile of piece afterwards, anter and rear piece is rectangle and size is corresponding with day font silicon steel sheet size.
3. according to claim 2 a kind of three isolate control transformer, it is characterised in that:The top margin of the anter and bottom
While being respectively provided with three fixing holes, the top margin of rear piece and base are respectively provided with three fixing holes, and anter is corresponding with the fixing hole of rear piece
And the fixing hole of font silicon steel sheet is corresponding with day.
4. according to claim 3 a kind of three isolate control transformer, it is characterised in that:The transformer is provided with fixation
Screw and fixing nut, fixed screw diameter are corresponding with the fixation bore dia of day font silicon steel sheet, and fixed screw length is more than
Iron core be superimposed with skeleton after gross thickness.
5. according to claim 4 a kind of three isolate control transformer, it is characterised in that:The anter and rear piece
Top margin and base are respectively provided with support eaves, and the support eaves of top margin is provided with hanger, and the support eaves on base is provided with fixing groove.
6. one kind three according to claim any one of 1-5 isolates control transformer, it is characterised in that:The insulation board
Including upper yoke insulation board and lower yoke insulation board, upper yoke insulation board located at winding top and iron core upper iron grip between,
Lower yoke insulation board is between the lower iron of the bottom of winding and iron core is gripped.
7. according to claim 2 a kind of three isolate control transformer, it is characterised in that:The transformer top is provided with
Bind mode between first binding post, the second binding post and the 3rd binding post, three groups of first windings joins for triangle
Knot, three tie-points connect the first binding post respectively;Bind mode between three groups of secondary windings is star connection, four connection
Node connects the second binding post respectively.
8. according to claim 7 a kind of three isolate control transformer, it is characterised in that:Three groups of secondary windings are each
Provided with tap, three taps connect the 3rd binding post respectively.
9. according to claim 8 a kind of three isolate control transformer, it is characterised in that:The first winding and secondary
Winding is used including first winding, and the concentric type winding of secondary winding outside is enclosed on stem, first winding and secondary winding it
Between provided with shielding copper foil, shielding copper foil and first winding between be provided with insulating materials, shielding copper foil and secondary winding between be provided with
Insulating materials, winding is wrapped up using insulating paper.
10. according to claim 9 a kind of three isolate control transformer, it is characterised in that:It is provided with the top of the anter
Grounding screw, grounding screw is connected by insulated electric conductor and shielding copper foil.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621369581.7U CN206412188U (en) | 2016-12-14 | 2016-12-14 | One kind three isolates control transformer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621369581.7U CN206412188U (en) | 2016-12-14 | 2016-12-14 | One kind three isolates control transformer |
Publications (1)
Publication Number | Publication Date |
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CN206412188U true CN206412188U (en) | 2017-08-15 |
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ID=59551336
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201621369581.7U Active CN206412188U (en) | 2016-12-14 | 2016-12-14 | One kind three isolates control transformer |
Country Status (1)
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CN (1) | CN206412188U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107863234A (en) * | 2017-12-04 | 2018-03-30 | 上海凯利电器厂有限公司 | Miniature transformer |
CN109427465A (en) * | 2017-08-28 | 2019-03-05 | 特变电工智能电气有限责任公司 | A tractor serves several purposes dry-type transformer |
CN109841394A (en) * | 2019-03-25 | 2019-06-04 | 孙崇山 | The core type transformer of winding alternating expression arrangement |
-
2016
- 2016-12-14 CN CN201621369581.7U patent/CN206412188U/en active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109427465A (en) * | 2017-08-28 | 2019-03-05 | 特变电工智能电气有限责任公司 | A tractor serves several purposes dry-type transformer |
CN107863234A (en) * | 2017-12-04 | 2018-03-30 | 上海凯利电器厂有限公司 | Miniature transformer |
CN109841394A (en) * | 2019-03-25 | 2019-06-04 | 孙崇山 | The core type transformer of winding alternating expression arrangement |
CN109841394B (en) * | 2019-03-25 | 2021-10-22 | 孙崇山 | Core type transformer with staggered windings |
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Address after: 515000 Yujing village, No. 21 in Yujing village, Shantou, Guangdong Patentee after: Guangdong Asahi Electrical Equipment Co., Ltd. Address before: 515000 Yujing village, No. 21 in Yujing village, Shantou, Guangdong Patentee before: Shantou sunrise Electrical Equipment Co., Ltd. |