CN104992821B - EI type surge (impact) anti-interference and overvoltage anti-interference low-frequency power supply transformer and machining process - Google Patents
EI type surge (impact) anti-interference and overvoltage anti-interference low-frequency power supply transformer and machining process Download PDFInfo
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- CN104992821B CN104992821B CN201510492532.6A CN201510492532A CN104992821B CN 104992821 B CN104992821 B CN 104992821B CN 201510492532 A CN201510492532 A CN 201510492532A CN 104992821 B CN104992821 B CN 104992821B
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Abstract
The invention relates to an EI type surge (impact) anti-interference and overvoltage anti-interference low-frequency power supply transformer and a machining process. Five layers of polyester enameled wires with the total flux of 170 Ts are wound around a G-shaped framework to form a primary winding; five layers of polyester enameled wires with the total flux of 82 Ts are wound around the surface, where two layers of NOMEX insulating paper I and two layers of polyimide insulating adhesive tape are arranged in sequence in a between-section insulation mode, of the primary winding in a two-wire parallel mode to form a secondary winding, and two layers of NOMEX insulating paper II wrap the surface of the secondary winding; a plurality of E-shaped iron cores are correspondingly overlapped and inserted in holes of the G-shaped framework, and a plurality of I-shaped iron cores are arranged in notches which are each formed by inserting the two corresponding E-shaped iron cores oppositely; a metal support, the iron cores, a primary ground electrode and a secondary ground electrode are fixed together through four bolts; the start ends, the stop ends, the primary ground electrode and the secondary ground electrode of the primary winding and the secondary winding are fixedly connected to a terminal block I and a terminal block II of two beams respectively, and finally the whole is coated with a layer of antirust paint. The transformer has the advantage that the surge prevention level in a low-frequency transformer circuit can be improved without using external devices.
Description
Technical field
The present invention relates to the structure of transformator and processing, more particularly, to a kind of ei type surge (impact) anti-interference and overvoltage resist
Disturb low-frequency power transformator and processing technique.
Background technology
Ei type Anti-surging low-frequency power transformator mainly has following two forms currently on the market:
(1) transformator needs an external reactor.
Advantage is: the spike comprising in smooth supply voltage, realizes surge (impact) anti-interference.Shortcoming is: transformator
Need an external reactor, transformator needs to be used in series with reactor, volume (same frequency, equal-wattage) relatively is relatively
Greatly, processing technique is complicated, and cost can improve 10% ~ 15%.
(2) transformator needs an external spd(surge protection device).
Advantage is: lightning protection effect or electric power incoming line are anti-tampering, realizes overvoltage anti-interference.
Shortcoming is: transformator and spd need welding to be used together, and technique station is complicated, volume (same frequency, phase relatively
Same power) larger, cost increases by 8% ~ 12%.
At present, due to market to low-frequency power transformator from volume, improve Anti-surging, the aspect such as lightning protection proposes higher
Require it is therefore desirable to develop new mains transformer and corresponding processing technique, to meet the market demand.
Content of the invention
In view of the problem of above-mentioned prior art presence and defect, the present invention is in order to reduce volume, the raising of low-frequency transformer
The performance such as Anti-surging and lightning protection, is developed particularly a kind of ei type surge (impact) anti-interference not using external device and overvoltage resists
Disturb low-frequency power transformator and processing technique.
The present invention adopts the technical scheme that: a kind of ei type surge (impact) anti-interference and overvoltage anti-interference low-frequency power transformation
Device, including g type skeleton, iron core, metal rack, terminal block i, terminal block ii, crossbeam, described iron core includes i shaped iron core, e sections
Core it is characterised in that: also include sleeve pipe i, sleeve pipe ii, nomex insulating paper i, nomex insulating paper ii, the polyamides with gum sub-
Amine insulating tape, primary ground wire, secondary ground wire,
Described g type skeleton is arranged and constitutes armature winding around 5 layers of common 170ts polyester enamelled wire, two of armature winding are risen
Tail end all adds sleeve pipe i, is sequentially provided with two layers of nomex insulating paper i, two layers of polyimides with gum on the surface of armature winding
Insulating tape, in two layers of 5 layers of surface Double-wire parallel wound common 82ts polyester enamelled wire structure with the polyimide insulative adhesive tape of gum
Become secondary windings, two couple of secondary windings plays tail end and all adds sleeve pipe ii, is provided with two layers of nomex insulating paper on the surface of secondary windings
ii；
Edging blade before and after described g type skeleton both sides is surrounded by one piece of skeleton insulating tape respectively；
It is provided with several pieces relatively folded e shaped iron cores inserted in g type framework mesoporous, several pieces described i shaped iron cores are separately positioned on often
Two panels e shaped iron core to insert after breach in,
Two bolts respectively from the two sides of iron core low side sequentially pass through plain washer, insulating washer, metal rack, iron core,
Metal rack, insulating washer, plain washer and nut are spirally connected, and another two bolt sequentially passes through flat respectively from the two sides of iron core upper end
Packing ring, insulating washer, one end of primary ground wire, crossbeam, metal rack, iron core, metal rack, one end of secondary ground wire, insulation
Packing ring, plain washer and nut are spirally connected, and two crossbeams are fixed a terminal block i, terminal block ii respectively, and two of armature winding are risen
The other end of tail end and primary ground wire is connected with the port of terminal block i respectively, and two couple of secondary windings plays tail end and secondary ground wire
The other end be connected with the port of terminal block ii respectively.
A kind of ei type surge (impact) anti-interference and the processing technique of overvoltage anti-interference low-frequency power transformator, its feature exists
In: step is as follows,
G type skeleton is fixed on roll, g type skeleton is arranged and constitutes primary around 5 layers of common 170ts polyester enamelled wire
Winding, all adds sleeve pipe i in two tail ends of armature winding；
Insulate between the surface group of armature winding two layers of nomex insulating paper i, between the surface group of two layers of nomex insulating paper i
Two layers of insulation carries the polyimide insulative adhesive tape of gum；
In two layers of 5 layers of surface Double-wire parallel wound common 82ts polyester enamelled wire structure with the polyimide insulative adhesive tape of gum
Become secondary windings, play tail end in two couple of secondary windings and all add sleeve pipe ii；
Surface outsourcing two layers of nomex insulating paper ii of insulation in secondary windings；
One piece of skeleton insulating tape is surrounded by respectively on the edging blade before and after g type skeleton；
It is inserted in relatively folded for several pieces e shaped iron cores in g type framework mesoporous, several pieces i shaped iron cores are separately positioned on every two panels e type
Iron core is in the breach after inserting；
Sequentially pass through plain washer, insulating washer, metal rack, ferrum with two bolts from the two sides of iron core low side respectively
Core, metal rack, insulating washer, plain washer and nut are spirally connected；
Sequentially pass through plain washer, insulating washer, primary ground wire, horizontal stroke with two bolts from the two sides of iron core upper end respectively again
Beam, metal rack, iron core, metal rack, secondary ground wire, insulating washer, plain washer and nut are spirally connected；
Two of armature winding are played tail end and two couple tail end of secondary windings goes coat of paint to scald stannum respectively；
The mains transformer being completed is tested, qualified mains transformer enters dipping lacquer and baking operation；
On two crossbeams, spiral shell fills a terminal block i, a terminal block ii respectively, by two of armature winding rise tail ends and
Primary ground wire is connected in the port that terminal block i is provided with, and two couple of secondary windings is played tail end and secondary ground wire difference
It is connected in the port that terminal block ii is provided with；
Finally one layer of antirust paint of overall coating, pastes mark vanning after normal temperature drying.
The present invention has the advantage that and beneficial effect is: does not use external device it is possible to improve low-frequency transformer circuit
Middle Anti-surging grade.This transformator has the advantages that Anti-surging, has again and can use the quick coiling of coil winding machine, and production efficiency is high
Advantage.Inside transformer does not have remaining space substantially simultaneously, and space availability ratio is high, small volume.Processing technique simplifies, and substantially reduces
Cost of labor and material cost, thus meet the quality requirements to Anti-surging low-frequency power transformator for the market.
Brief description
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the front view of the present invention；
Fig. 3 is the side view of the present invention；
Fig. 4 is the top view of the present invention；
Fig. 5 is the schematic diagram of skeleton of the present invention.
Specific embodiment
Below in conjunction with drawings and Examples, the invention will be further described:
Referring to figs. 1 to shown in Fig. 5, a kind of ei type surge (impact) anti-interference and overvoltage anti-interference low-frequency power transformator, bag
Include g type skeleton 1, iron core 2, metal rack 12, terminal block i15, terminal block ii16, crossbeam 17, iron core 2 includes i shaped iron core 2-1, e
Shaped iron core 2-2, also includes sleeve pipe i5, sleeve pipe ii6, nomex insulating paper i7, nomex insulating paper ii8, the polyamides Asia with gum
Amine insulating tape 9, primary ground wire 13, secondary ground wire 14.
G type skeleton 1 is arranged and constitutes armature windings 3 around 5 layers of common 170ts polyester (pew) enamel-covered wire, the two of armature winding 3
Root plays tail end and all adds sleeve pipe i5, the surface of armature winding 3 be sequentially provided with two layers of nomex insulating paper i7, two layers carry gum
Polyimide insulative adhesive tape 9, gathers in 5 layers of common 82ts of surface Double-wire parallel wound of two layers of polyimide insulative adhesive tape 9 carrying gum
Ester (pew) enamel-covered wire constitutes secondary windings 4, and two couple of secondary windings 4 plays tail end and all adds sleeve pipe ii6, on the surface of secondary windings 4
It is provided with two layers of nomex insulating paper ii8, one piece of skeleton insulation is surrounded by respectively on the edging blade 1-1 before and after g type skeleton 1 both sides
Adhesive tape 19.
It is provided with several pieces relatively folded e shaped iron core 2-2 inserting in g type skeleton 1 mesopore, several pieces described i shaped iron core 2-1 set respectively
Put in every two panels e shaped iron core 2-2 in the breach after inserting, worn successively from the two sides of iron core 2 low side respectively with two bolts 11
Cross plain washer 18, insulating washer 21, metal rack 12, iron core 2, metal rack 12, insulating washer 21, plain washer 18 and nut 20
It is spirally connected, then sequentially pass through plain washer 18, insulating washer 21, primary ground from the two sides of iron core 2 upper end respectively with two bolts 11
One end of line 13, crossbeam 17, metal rack 12, iron core 2, metal rack 12, one end of secondary ground wire 14, insulating washer 21, flat
Packing ring 18 is spirally connected with nut 20, and two crossbeams 17 fix a terminal block i15, terminal block ii16 respectively, and the two of armature winding 3
Root plays tail end and the other end of primary ground wire 13 is connected with the port of terminal block i15 respectively, two couple tail end of secondary windings 4 and
The other end of secondary ground wire 14 is connected with the port of terminal block ii16 respectively.
A kind of ei type surge (impact) anti-interference and the processing technique of overvoltage anti-interference low-frequency power transformator, step is as follows:
G type skeleton 1 is fixed on roll, g type skeleton 1 is arranged around 5 layers of common 170ts (circle) polyester enamelled wire structure
Become armature winding 3, all add sleeve pipe i5 in two tail ends of armature winding 3.
Insulate between the surface group of armature winding 3 two layers of nomex insulating paper i7, on the surface of two layers of nomex insulating paper i7
Between group, two layers of insulation carries the polyimide insulative adhesive tape ii10 of gum.
Enclose in the common 82ts(of 5 layers of surface Double-wire parallel wound of two layers of polyimide insulative adhesive tape 9 carrying gum) polyester enamel-cover
Line constitutes secondary windings 4, plays tail end in two couple of secondary windings 4 and all adds sleeve pipe ii6.
Surface outsourcing two layers of nomex insulating paper ii8 of insulation in secondary windings 4.
One piece of skeleton insulating tape 19 is surrounded by respectively on the edging blade 1-1 before and after g type skeleton 1.
It is inserted in relatively folded for several pieces e shaped iron core 2-2 in g type skeleton 1 mesopore, several pieces i shaped iron core 2-1 are separately positioned on often
Two panels e shaped iron core 2-2 is in the breach after inserting.
Sequentially pass through plain washer 18 from the two sides of iron core 2 low side respectively with two bolts 11, insulating washer 21, metal prop up
Frame 12, iron core 2, metal rack 12, insulating washer 21, plain washer 18 and nut 20 are spirally connected；Again with two bolts 11 respectively from ferrum
The two sides of core 2 upper end sequentially pass through plain washer 18, insulating washer 21, primary ground wire 13, crossbeam 17, metal rack 12, iron core
2nd, metal rack 12, secondary ground wire 14, insulating washer 21, plain washer 18 and nut are spirally connected 20.
Two of armature winding 3 are played tail end and two couple tail end of secondary windings 4 goes coat of paint to scald stannum respectively.
The above-mentioned mains transformer being completed is tested, qualified mains transformer enters dipping lacquer and dries work
Sequence.
On two crossbeams 17, spiral shell fills a terminal block i15, a terminal block ii16 respectively, by two of armature winding 3
Play tail end and primary ground wire 13 be connected in the port that terminal block i15 is provided with, by two couple of secondary windings 4 rise tail end and
Secondary ground wire 14 is connected in the port that terminal block ii16 is provided with.
Finally one layer of antirust paint of overall coating, pastes mark vanning after normal temperature drying.
Using insulating washer 21 reinforced insulation between iron core 2, metal rack 12 and bolt 11.
Sleeve pipe i5, sleeve pipe ii6 are the sleeve pipe of fiber coating pipe in outer glue.
I shaped iron core 2-1, e shaped iron core 2-2 adopts low-loss, the stalloy of high saturation magnetic flux.
Claims (2)
1. a kind of ei type surge (impact) anti-interference and overvoltage anti-interference low-frequency power transformator, including g type skeleton (1), iron core
(2), metal rack (12), terminal block i(15), terminal block ii(16), crossbeam (17), described iron core (2) includes i shaped iron core (2-
1), e shaped iron core (2-2) it is characterised in that: also include sleeve pipe i(5), sleeve pipe ii(6), nomex insulating paper i(7), nomex insulation
Paper ii(8), the polyimide insulative adhesive tape (9) with gum, primary ground wire (13), secondary ground wire (14), in described g type skeleton
(1) upper row constitutes armature winding (3) around 5 layers of common 170ts polyester enamelled wire, and two of armature winding (3) are played tail end and all add sleeve pipe
I(5), the surface in armature winding (3) is sequentially provided with two layers of nomex insulating paper i(7), two layers carry gum polyimides exhausted
Edge adhesive tape (9), in two layers of 5 layers of surface Double-wire parallel wound common 82ts polyester enamel-cover with the polyimide insulative adhesive tape (9) of gum
Line constitutes secondary windings (4), and two couple of secondary windings (4) plays tail end and all adds sleeve pipe ii(6), set on the surface of secondary windings (4)
There are two layers of nomex insulating paper ii(8)；
Edging blade (1-1) before and after described g type skeleton (1) both sides is surrounded by one piece of skeleton insulating tape (19) respectively；
It is provided with several pieces relatively folded e shaped iron cores (2-2) inserted in g type skeleton (1) mesopore, several pieces described i shaped iron cores (2-1) are respectively
It is arranged on every two panels e shaped iron core (2-2) in the breach after inserting, two bolts (11) are respectively from the two sides of iron core (2) bottom
Sequentially pass through plain washer (18), insulating washer (21), metal rack (12), iron core (2), metal rack (12), insulating washer
(21), plain washer (18) and nut (20) are spirally connected, and another two bolt (11) sequentially passes through from the two sides of iron core (2) upper end respectively
Plain washer (18), insulating washer (21), one end of primary ground wire (13), crossbeam (17), metal rack (12), iron core (2), metal
Support (12), one end of secondary ground wire (14), insulating washer (21), plain washer (18) are spirally connected with nut (20), two crossbeams
(17) fix a terminal block i(15 on respectively), terminal block ii(16), two of armature winding (3) play tail ends and primary ground wire
(13) the other end respectively with terminal block i(15) port be connected, two couples of secondary windings (4) plays tail end and secondary ground wire (14)
The other end respectively with terminal block ii(16) port be connected.
2. a kind of ei type surge (impact) anti-interference and overvoltage anti-interference low-frequency power transformator processing technique it is characterised in that:
Step is as follows,
G type skeleton (1) is fixed on roll, constitutes just around 5 layers of common 170ts polyester enamelled wire in the upper row of g type skeleton (1)
Level winding (3), all adds sleeve pipe i(5 in two tail ends of armature winding (3))；
Between the surface group of armature winding (3) insulate two layers of nomex insulating paper i(7), in two layers of nomex insulating paper i(7) table
Between the group of face, two layers of insulation carries the polyimide insulative adhesive tape (9) of gum；
Constitute in the common 82ts polyester enamelled wire of 5 layers of surface Double-wire parallel wound of two layers of polyimide insulative adhesive tape (9) carrying gum
Secondary windings (4), play tail end in two couple of secondary windings (4) and all add sleeve pipe ii(6)；
Surface outsourcing two layers of nomex insulating paper ii(8 of insulation in secondary windings (4))；
One piece of skeleton insulating tape (19) is surrounded by respectively on the edging blade (1-1) before and after g type skeleton (1)；
It is inserted in relatively folded for several pieces e shaped iron cores (2-2) in g type skeleton (1) mesopore, several pieces i shaped iron cores (2-1) are separately positioned on
Every two panels e shaped iron core (2-2) is in the breach after inserting；
Sequentially pass through plain washer (18), insulating washer (21), gold with two bolts (11) from the two sides of iron core (2) bottom respectively
Genus support (12), iron core (2), metal rack (12), insulating washer (21), plain washer (18) are spirally connected with nut (20)；
Sequentially pass through plain washer, insulating washer (21), primary with two bolts (11) from the two sides of iron core (2) upper end respectively again
Ground wire (13), crossbeam (17), metal rack (12), iron core (2), metal rack (12), secondary ground wire (14), insulating washer
(21), plain washer (18) and nut (20) are spirally connected；
Two of armature winding (3) are played tail end and two couple tail end of secondary windings (4) goes coat of paint to scald stannum respectively；
The mains transformer being completed is tested, qualified mains transformer enters dipping lacquer and baking operation；
On two crossbeams (17), spiral shell fills a terminal block i(15 respectively), a terminal block ii(16),
Two of armature winding (3) are played tail ends and primary ground wire (13) are connected to terminal block i(15) port that is provided with
In, two couple of secondary windings (4) is played tail end and secondary ground wire (14) is connected to terminal block ii(16) port that is provided with
In；
Finally one layer of antirust paint of overall coating, pastes mark vanning after normal temperature drying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510492532.6A CN104992821B (en) | 2015-08-12 | 2015-08-12 | EI type surge (impact) anti-interference and overvoltage anti-interference low-frequency power supply transformer and machining process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510492532.6A CN104992821B (en) | 2015-08-12 | 2015-08-12 | EI type surge (impact) anti-interference and overvoltage anti-interference low-frequency power supply transformer and machining process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104992821A CN104992821A (en) | 2015-10-21 |
| CN104992821B true CN104992821B (en) | 2017-01-18 |
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| CN201510492532.6A Active CN104992821B (en) | 2015-08-12 | 2015-08-12 | EI type surge (impact) anti-interference and overvoltage anti-interference low-frequency power supply transformer and machining process |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106601472B (en) * | 2016-12-26 | 2018-08-17 | 常州市英中电气有限公司 | It is detached from host insulating materials assembly |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002313655A (en) * | 2001-04-13 | 2002-10-25 | Swallow Electric Co Ltd | Transformer |
| JP2005353658A (en) * | 2004-06-08 | 2005-12-22 | Sony Corp | Transformer and its coil bobbin with terminals |
| CN2814636Y (en) * | 2005-08-17 | 2006-09-06 | 青岛三元集团股份有限公司 | Enhanced insulation electric power transformer |
| CN104409198A (en) * | 2014-12-12 | 2015-03-11 | 绵阳市容富电子科技有限公司 | Transformer suitable for switch power supply |
| CN204905014U (en) * | 2015-08-12 | 2015-12-23 | 天津光电惠高电子有限公司 | (impact) anti -interference of EI type surge and overvoltage anti -interference low frequency power transformer |
-
2015
- 2015-08-12 CN CN201510492532.6A patent/CN104992821B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002313655A (en) * | 2001-04-13 | 2002-10-25 | Swallow Electric Co Ltd | Transformer |
| JP2005353658A (en) * | 2004-06-08 | 2005-12-22 | Sony Corp | Transformer and its coil bobbin with terminals |
| CN2814636Y (en) * | 2005-08-17 | 2006-09-06 | 青岛三元集团股份有限公司 | Enhanced insulation electric power transformer |
| CN104409198A (en) * | 2014-12-12 | 2015-03-11 | 绵阳市容富电子科技有限公司 | Transformer suitable for switch power supply |
| CN204905014U (en) * | 2015-08-12 | 2015-12-23 | 天津光电惠高电子有限公司 | (impact) anti -interference of EI type surge and overvoltage anti -interference low frequency power transformer |
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