CN107546034A - A kind of iron core is segmented high pressure toroidal transformer production method - Google Patents
A kind of iron core is segmented high pressure toroidal transformer production method Download PDFInfo
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- CN107546034A CN107546034A CN201710784204.2A CN201710784204A CN107546034A CN 107546034 A CN107546034 A CN 107546034A CN 201710784204 A CN201710784204 A CN 201710784204A CN 107546034 A CN107546034 A CN 107546034A
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- tension coil
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Abstract
The invention discloses a kind of high pressure toroidal transformer production method, specifically include：Step (1), insulation processing is done respectively to internal-and external diameter identical annular core section；Coiling high-tension coil in step (2), the core packet after insulation processing；Step (3), the high-voltage line ring layer to each core packet coiling do insulation processing respectively；Step (4), each section of high-voltage line ring layer overlapped successively, and connect the lead-out wire of adjacent two layers high-tension coil；Step (5) does outer layer insulation processing to the high-tension coil section synthesized by high-tension coil stacking；Coiling low-voltage coil and the lead-out wire of high-tension coil section and low-voltage coil both ends is drawn in step (6), the high-tension coil section after outer layer insulation processing；Step (7), outermost layer insulation processing is done to low-voltage coil.The high pressure toroidal transformer produced using methods described is safe, highly reliable, is advantageous to the long-term stable operation of transformer, while this method production difficulty is small, production cost is low, production efficiency is high.
Description
Technical field
The present invention relates to transformer, especially a kind of iron core segmentation high pressure toroidal transformer production method.
Background technology
In order to facilitate understanding, said with most simple annular power transformer (1 armature winding and 1 secondary windings)
It is bright.Assuming that the input umber of turn of annular power transformer is N1, its corresponding magnitude of voltage is V1, output umber of turn is N2, its
Corresponding magnitude of voltage is V2；In same annular core N1And V1,N2And V2It is proportional.
It can be divided into three kinds of situations according to V1 and V2 voltage levels：
When a kind of situation of the mat woven of fine bamboo strips is V 1≤400 V, V2≤400 V, N1 and N2 coil windings along 360 ° of repetitions of annular core around
System, due to V 1 and V2≤400 V, completely by enamel-covered wire enamelled coating with regard to that can meet the insulating requirements between coil and coil, this technique can
To ensure that transformer works reliably and with long-term；
Two kinds of situations of the mat woven of fine bamboo strips are V1 >=400V, V2≤1000V, along the coiling one week of 360 ° of annular core during N1 and N2 coil windings
Carry out insulating wrapping one week afterwards, then on the insulating layer one week coil of coiling, insulate again, further around system ..., until reaching the regulation number of turn,
Due to there is layer insulation between same coil, turn-to-turn voltage can control within the specific limits, if handle well start lead-out wire with
The insulation of each interlayer, transformer can also work reliably and with long-term；
The third situation is V 1 >=1000V, V 2 >=10,000 V, because voltage is too high, traditional endless transformer production work
Skill can not solve Insulation Problems very well, be the forbidden zone of toroidal transformer production.
The content of the invention
The invention provides a kind of iron core of input and output voltage in more than 1000V to be segmented high pressure toroidal transformer producer
Method.
High pressure toroidal transformer production method is segmented as a kind of iron core, one embodiment of the present of invention includes：
Step (1), insulation processing is done respectively to internal-and external diameter identical annular core section；
Coiling high-tension coil in step (2), the core packet after insulation processing；
Step (3), the high-voltage line ring layer to each core packet coiling do insulation processing respectively；
Step (4), each section of high-voltage line ring layer overlapped successively, and connect the lead-out wire of adjacent two layers high-tension coil；
Step (5), outer layer insulation processing is done to the high-tension coil section synthesized by high-tension coil stacking；
In step (6), the high-tension coil section after outer layer insulation processing coiling low-voltage coil and draw high-tension coil section with
The lead-out wire at low-voltage coil both ends；
Step (7), outermost layer insulation processing is done to low-voltage coil.
Other aspects and advantages of the present invention become obvious according to detailed description below in conjunction with the accompanying drawings, the accompanying drawing
The principle of the present invention is illustrated by way of example.
Brief description of the drawings
Examples of the present invention will be described by way of reference to the accompanying drawings, wherein：
Fig. 1 is that iron core provided in an embodiment of the present invention is segmented high pressure toroidal transformer production method flow chart.
Embodiment
All features disclosed in this specification, or disclosed all methods or during the step of, except mutually exclusive
Feature and/or step beyond, can combine in any way.
Any feature disclosed in this specification, unless specifically stated otherwise, can be equivalent by other or with similar purpose
Alternative features are replaced.I.e., unless specifically stated otherwise, each feature is an example in a series of equivalent or similar characteristics
.
Traditional endless transformer production technique can not solve high-tension transformer of the input and output voltage in more than 1000V and insulate
Problem.
The present invention is in view of the above-mentioned problems, provide a kind of high-tension transformer life highly reliable, simple to operate, cost is cheap
Production method.
Basic embodiment：
A kind of iron core is segmented high pressure toroidal transformer production method, specifically includes：
Step (1), insulation processing is done respectively to internal-and external diameter identical annular core section；
Coiling high-tension coil in step (2), the core packet after insulation processing；
Step (3), the high-voltage line ring layer to each core packet coiling do insulation processing respectively；
Step (4), each section of high-voltage line ring layer overlapped successively, and connect the lead-out wire of adjacent two layers high-tension coil；
Step (5), outer layer insulation processing is done to the high-tension coil section synthesized by high-tension coil stacking；
In step (6), the high-tension coil section after outer layer insulation processing coiling low-voltage coil and draw high-tension coil section with
The lead-out wire at low-voltage coil both ends；
Step (7), outermost layer insulation processing is done to low-voltage coil.
Common transformer core is column core, can be by the integral ring-shaped iron core bundling of a tradition into multiple in step (1)
Internal-and external diameter identical annular core section, optimally, multiple core packet sizes are identical, you can by a traditional integrated iron core bundling into
Multiple highly identical, internal-and external diameter identical core packets.Do insulation processing respectively to each core packet, processing mode includes but unlimited
In being to paste insulating paper or insulation sealing outside iron core.
Step (2) on each core packet after insulation processing uniformly, entirely coiling high-tension coil, each core packet around
The high-tension coil number of turn of system is determined by ceiling voltage, iron core segment number and core packet sectional area.When each core packet size is identical,
The high-tension coil number of turn of each core packet coiling is determined by ceiling voltage and iron core segment number.
After the completion of one core packet coiling high-tension coil, the high-tension coil of coiling is a high-tension coil on the core packet
Layer, step (3) do insulation processing to the high-voltage line ring layer of each core packet respectively, and processing mode includes but is not limited in high-voltage line
Wrapping isolated insulation paper outside ring layer.Optimally, can be to high-voltage line ring layer lead-out wire in edge before processing of being left no room for manoeuvre to high-voltage line ring layer
The end of a thread first does insulation processing, and processing mode includes but is not limited to paste insulating materials at the end of a thread.
The high-voltage line ring layer after each insulation processing is overlapped successively in step (4), and adjacent two layers high pressure is linked in sequence
The lead-out wire of coil.Multiple high-tension coil stacking one high-tension coil section of synthesis, the input line of adjacent high-voltage line ring layer or output
Line is in connection status, then whole high-tension coil section is in connection status.First high-voltage line ring layer and last high-voltage line
Voltage difference between ring layer is maximum, but two high-voltage line ring layer standoff distances are also farthest, and thus the reliability of transformer greatly improves, and has
Beneficial to the long-term stable operation of transformer.
Step (5) to doing outer layer insulation processing by the high-tension coil section that synthesizes of high-tension coil stacking, processing mode include but
It is not limited to wrap up isolated insulation outside high-tension coil section.
Predetermined circle is completed in high-tension coil section outer surface coiling low-voltage coil of the step (6) after outer layer insulation processing, coiling
After number low-voltage coil, the lead-out wire at high-tension coil section and low-voltage coil both ends is drawn, that is, draws the high pressure after outer layer insulation processing
The lead-out wire at the low-voltage coil both ends of coil segment and its outer surface coiling.
Step (7) does outermost layer insulation processing to low-voltage coil.
Optimally, epoxy resin encapsulated processing can be also done to low-voltage coil in step (7), does epoxy resin encapsulated processing
The input of iron core segmentation high pressure toroidal transformer or output voltage need to be between 1000V-10000V.Can use iron shell (or
Plastic casing) and epoxy resin iron core is segmented high pressure toroidal transformer and carries out overall embedding, be advantageous to improve the anti-of transformer
Shake, moistureproof and explosion-proof capabilities, be advantageous to improve the reliability of transformer.
Embodiment：
High pressure toroidal transformer power：1500VA
Input：3000V 50Hz are red
Output：220V 6.82A are blue
The high pressure toroidal transformer production technology includes：
Step 1：Determine iron core segments and specification (unit：mm)
According to toroidal transformer power and ceiling voltage, by 1 annular core bundling be 4 section 75 × 145 × 20 (internal diameter ×
External diameter × height).
Step 2：By 4 section of 75 × 140 × 20 iron core, upper type insulating wrapping strip machine mylar makees insulation processing respectively.
Step 3：Coiling high pressure winding and insulation processing
a:Calculate per voltage, line footpath and the coil turn that winding is needed on iron leg core.
①：The voltage calculated on segment core is 750V.
②：Calculate input high pressure winding enamel-covered wire line footpath be：0.51mm.
③：It is 3300T to calculate per the high-tension coil number of turn of coiling on iron leg core.
b:With loop wire winder respectively on the core packet after insulation processing with 0.51mm enamel-covered wire uniformly, entirely around
3300T processed；Often after one week, it is required to make insulation processing with polyester film, until equably coiling is completed by 3300T coils.
c:Two rear line heads of high-tension coil are protected with insulating sleeve respectively and drawn.
d:Insulation processing is made to the high-voltage line ring layer polyester film of each core packet coiling respectively with type insulating wrapping strip machine.
Step 4：Overlapping, connection.
a:Four sections of high-voltage line ring layers after insulation processing are arbitrarily superimposed together, are then sequentially connected from top to bottom adjacent
High-tension coil, and handle tie point well with insulating sleeve, red lead-out wire is finally connected on request.
Step 5：Insulation processing between high and low pressure coil
a:The high-tension coil polyester film completed to overlapping connection makees insulation processing again.
Step 6：Coiling low-voltage coil.
①：Floating voltage, line footpath and the number of turn for calculating low pressure winding be respectively：227.2V, 1.80mm and 250T.
②：Using 1.80mm enamel-covered wire uniformly, entirely coiling in the high-tension coil section after outer layer insulation processing
250T, output blue lead is then connected on request.
Step 7：Outermost layer insulation processing
a:4 strata ester films are wrapped up in coil segment outer surface and do outermost layer insulation, iron core segmentation high pressure toroidal transformer life
Production is completed.
Step 8：Assembling, embedding
Advantages of the present invention is numerous.Different aspect, embodiment or embodiments can produce one in advantages below
Or multiple advantages.It is one advantage of the present invention that：Using the input and output voltage of methods described production in more than 1000V high voltage variables
Depressor is safe, highly reliable, is advantageous to the long-term stable operation of transformer.Yet another advantage of the present invention is that：Using institute
State method production input and output voltage more than 1000V high-tension transformer production difficulty it is small, production cost is low, production efficiency
It is high.
The invention is not limited in foregoing embodiment.The present invention, which expands to, any in this manual to be disclosed
New feature or any new combination, and disclose any new method or process the step of or any new combination.
Claims (6)
1. a kind of iron core is segmented high pressure toroidal transformer production method, it is characterised in that including：
Step (1), insulation processing is done respectively to internal-and external diameter identical annular core section；
Coiling high-tension coil in step (2), the core packet after insulation processing；
Step (3), the high-voltage line ring layer to each core packet coiling do insulation processing respectively；
Step (4), each section of high-voltage line ring layer overlapped successively, and connect the lead-out wire of adjacent two layers high-tension coil；
Step (5), outer layer insulation processing is done to the high-tension coil section synthesized by high-tension coil stacking；
Coiling low-voltage coil and high-tension coil section and low pressure are drawn in step (6), the high-tension coil section after outer layer insulation processing
The lead-out wire at coil both ends；
Step (7), outermost layer insulation processing is done to low-voltage coil.
A kind of 2. iron core segmentation high pressure toroidal transformer production method according to claim 1, it is characterised in that step
(1) can be multiple internal-and external diameter identical annular core sections by a whole annular core bundling in.
A kind of 3. iron core segmentation high pressure toroidal transformer production method according to claim 1, it is characterised in that step
(3) edge before processing of being left no room for manoeuvre in high-voltage line ring layer does insulation protection processing to lead-out wire the end of a thread of high-tension coil.
A kind of 4. iron core segmentation high pressure toroidal transformer production method according to claim 1, it is characterised in that step
(7) epoxy resin encapsulated processing can be also done in low-voltage coil.
5. a kind of iron core segmentation high pressure toroidal transformer production method according to claim 4, it is characterised in that do epoxy
The input of the iron core segmentation high-tension transformer of resin embedding processing or output voltage need to be between 1000V-10000V.
A kind of 6. iron core segmentation high pressure toroidal transformer production method according to claim 1, it is characterised in that each iron core
The high-tension coil number of turn of section coiling is determined by the ceiling voltage of high pressure winding, iron core segment number and core packet sectional area.
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| CN201710784204.2A CN107546034B (en) | 2017-09-04 | 2017-09-04 | Production method of iron core segmented high-voltage ring transformer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710784204.2A CN107546034B (en) | 2017-09-04 | 2017-09-04 | Production method of iron core segmented high-voltage ring transformer |
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| CN107546034B CN107546034B (en) | 2020-09-29 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112599342A (en) * | 2020-12-16 | 2021-04-02 | 河南合瑞电气有限公司 | Annular transformer and preparation method thereof |
| CN113593891A (en) * | 2021-07-13 | 2021-11-02 | 中车株洲电机有限公司 | Auxiliary transformer coil winding method |
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| US4901773A (en) * | 1988-10-24 | 1990-02-20 | Kuhlman Corporation | High voltage coil winding machine |
| CN101884075A (en) * | 2007-10-24 | 2010-11-10 | 亚尔科·萨洛迈基 | Procedure for manufacturing of a magnetic core and a magnetic core |
| CN102568772A (en) * | 2010-12-27 | 2012-07-11 | 新华都特种电气股份有限公司 | Co-wound high-voltage and low-voltage coil of transformer and winding method of co-wound high-voltage and low-voltage coil |
| CN102651277A (en) * | 2012-06-05 | 2012-08-29 | 江苏中容科技有限公司 | Preloading method of high-voltage and low-voltage insulation tube of three-dimensional rolling iron core dry type transformer |
| CN103426627A (en) * | 2013-08-29 | 2013-12-04 | 宁夏银利电器制造有限公司 | Manufacturing method and process of oil-immersed high-voltage isolation and pulse transformer |
| CN206134441U (en) * | 2016-09-28 | 2017-04-26 | 东莞市嘉龙海杰电子科技有限公司 | Sectional type transformer of reducible voltage difference |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4901773A (en) * | 1988-10-24 | 1990-02-20 | Kuhlman Corporation | High voltage coil winding machine |
| CN101884075A (en) * | 2007-10-24 | 2010-11-10 | 亚尔科·萨洛迈基 | Procedure for manufacturing of a magnetic core and a magnetic core |
| CN102568772A (en) * | 2010-12-27 | 2012-07-11 | 新华都特种电气股份有限公司 | Co-wound high-voltage and low-voltage coil of transformer and winding method of co-wound high-voltage and low-voltage coil |
| CN102651277A (en) * | 2012-06-05 | 2012-08-29 | 江苏中容科技有限公司 | Preloading method of high-voltage and low-voltage insulation tube of three-dimensional rolling iron core dry type transformer |
| CN103426627A (en) * | 2013-08-29 | 2013-12-04 | 宁夏银利电器制造有限公司 | Manufacturing method and process of oil-immersed high-voltage isolation and pulse transformer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112599342A (en) * | 2020-12-16 | 2021-04-02 | 河南合瑞电气有限公司 | Annular transformer and preparation method thereof |
| CN113593891A (en) * | 2021-07-13 | 2021-11-02 | 中车株洲电机有限公司 | Auxiliary transformer coil winding method |
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| CN107546034B (en) | 2020-09-29 |
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