CN202996561U - High-pressure-proof ring-shaped transformer - Google Patents
High-pressure-proof ring-shaped transformer Download PDFInfo
- Publication number
- CN202996561U CN202996561U CN 201220377926 CN201220377926U CN202996561U CN 202996561 U CN202996561 U CN 202996561U CN 201220377926 CN201220377926 CN 201220377926 CN 201220377926 U CN201220377926 U CN 201220377926U CN 202996561 U CN202996561 U CN 202996561U
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- secondary winding
- winding
- ring
- empty
- withstand voltage
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Abstract
The utility model relates to the technical field of transformers, in particular to a high-pressure-proof ring-shaped transformer. The high-pressure-proof ring-shaped transformer comprises a coil, a ring-shaped magnetic core and lead wires. The coil comprises a primary winding and a secondary winding, and the lead wires are arranged on the primary winding and on the secondary winding. An empty-end band is arranged at the border position of an upper outer edge angle of the ring-shaped magnetic core and an empty-end band is arranged at the border position of a lower outer edge angle of the ring-shaped magnetic core. The empty-end bands are placed between the ring-shaped magnetic core and the primary winding. An empty-end band is arranged at the border position of an upper outer edge angle of the secondary winding and an empty-end band is arranged at the border position of a lower outer edge angle of the secondary winding. The empty-end bands are placed between the primary winding and the secondary winding. Polyester insulated rubber tapes are coated outside the ring-shaped magnetic core, the primary winding and the secondary winding in a wound mode. Due to usage of the empty-end bands, thicknesses of the polyester insulated rubber tapes are reduced, total usage amount of insulated materials is reduced, cost is reduced, the product pressure-proof failure rate is reduced, and soundness, insulativity and pressure-proof performance of products can be improved effectively.
Description
Technical field
The utility model relates to the transformer technology field, particularly relates to a kind of high withstand voltage ring-shaped transformer.
Background technology
Transformer is also a kind of of inductance element, is a kind of common electric equipment, and the effect that it mainly plays is exactly to change voltage, and according to different purposes, the size of transformer, contour structures are all different.
Toroidal transformer is a large type of electronic transformer, because toroidal transformer has good cost performance, good output characteristic and antijamming capability are arranged, therefore, be widely used in the higher electronic equipment of home appliance and other specification requirement, its main application is as power transformer and isolating transformer, is widely used at present the aspects such as computer, Medical Devices, telecommunication, instrument and lighting.
Toroidal transformer of the prior art, the method for taking for the resistance to pressure the subject of knowledge and the object of knowledge that increases transformer is to increase the thickness of polyester insulated adhesive tape between armature winding.The result of doing like this is to use a large amount of insulating material, but fastness, insulating properties and withstand voltage properties are still undesirable.
Summary of the invention
The purpose of this utility model is to avoid weak point of the prior art and provides a kind of fastness, insulating properties and withstand voltage properties good high withstand voltage ring-shaped transformer.
The purpose of this utility model is achieved through the following technical solutions:
A kind of high withstand voltage ring-shaped transformer comprises coil, toroidal core and lead-in wire, and coil comprises armature winding and secondary winding, and armature winding and secondary winding are respectively equipped with lead-in wire; Between toroidal core and armature winding, the upper and lower outer angular edge place of toroidal core is provided with the end blanking bar; Between armature winding and secondary winding, the upper and lower outer angular edge of secondary winding place is provided with the end blanking bar, and outside all voluble wrappings of toroidal core, armature winding and secondary winding have polyester insulated adhesive tape.
Further, the junction of armature winding and its lead-in wire is provided with the first connection protective cap; The junction of secondary winding and its lead-in wire arranges the second connection protective cap.
Further, be provided with the first joint protection pad between the first connection protective cap and armature winding, be provided with the second joint protection pad between the second connection protective cap and secondary winding.
Further, between the polyester insulated adhesive tape of secondary winding outside and secondary winding, protection glue is set.
Further, the lead-in wire outside all is arranged with sleeve pipe.
The beneficial effects of the utility model:
A kind of high withstand voltage ring-shaped transformer of the present utility model, adopt the upper and lower outer angular edge place of toroidal core and armature winding to be provided with the end blanking bar, outside all voluble wrappings of toroidal core, armature winding and secondary winding have the technical scheme of polyester insulated adhesive tape, the use of end blanking bar has reduced the thickness of polyester insulated adhesive tape, reduced the total use amount of insulating material, reduce the withstand voltage fraction defective of cost and product, effectively improved fastness, insulating properties and the withstand voltage properties of product.
Description of drawings
Utilize accompanying drawing that the utility model is described further, but the content in accompanying drawing does not consist of any restriction of the present utility model.
Fig. 1 is the sectional structure schematic diagram of a kind of high withstand voltage ring-shaped transformer of the present utility model;
Fig. 2 is the overall structure schematic diagram of a kind of high withstand voltage ring-shaped transformer of the present utility model.
Include in Fig. 1, Fig. 2:
1---toroidal core;
2---armature winding;
3---secondary winding;
4---the end blanking bar;
5---polyester insulated adhesive tape;
6---lead-in wire;
7---sleeve pipe;
8---the first connection protective cap;
9---the first joint protection pad;
10---protection glue.
Embodiment
The utility model is described in further detail with the following Examples.
a kind of high withstand voltage ring-shaped transformer described in the utility model, as Fig. 1, shown in Figure 2, comprise coil, toroidal core 1 and go between 6, coil comprises armature winding 2 and secondary winding 3, armature winding 2 and secondary winding 3 are respectively equipped with lead-in wire 6, between toroidal core 1 and armature winding 2, toroidal core 1 upper, lower outside angular edge place is provided with end blanking bar 4, between armature winding 2 and secondary winding 3, on secondary winding 3, lower outside angular edge place is provided with end blanking bar 4, toroidal core 1, outside all voluble wrappings of armature winding 2 and secondary winding 3 have polyester insulated adhesive tape 5.
Concrete: as shown in Figure 1, end blanking bar 4 also is a grade wall glue, take the polyester film compound nonwoven cloth as base material coated with acrylic pressure sensitive glue or the rubber plastic pressure sensitive adhesive form, have very strong high temperature resistant withstand voltage properties.
When making high withstand voltage ring-shaped transformer, as shown in Figure 1, first at the upper and lower outer angular edge of toroidal core 1 place, end blanking bar 4 is set, again at the polyester insulated adhesive tape 5 of the outer winding of toroidal core 1 that is provided with end blanking bar 4, then be wound around armature winding 2, after completing armature winding 2 making, the place is wrapped with end blanking bar 4 again in the upper and lower outer angular edge of transformer, end blanking bar 4 numbers of plies are decided according to concrete requirement of withstand voltage, and then wrap polyester insulated adhesive tape 5, then be wound around secondary winding 3, at last at the outermost layer polyester insulated adhesive tape 5 of voluble wrapping one deck again.The use of end blanking bar 4 has reduced the total use amount of insulating material, has reduced cost.Can better control the withstand voltage fraction defective of product.
As shown in Figure 1, armature winding 2 is provided with the first connection protective cap 8 with the junction of its lead-in wire 6; Secondary winding 3 arranges the second connection protective cap with the junction of its lead-in wire 6.The first connection protective cap 8 and the second connection protective cap can be protected the joint stable connection of lead-in wire 6, reduce loose contact.
Be provided with between the first connection protective cap 8 and armature winding 2 between the first joint protection pad 9, the second connection protective caps and secondary winding 3 and be provided with the second joint protection pad.The first joint protection pad 9 and the second joint protection pad are further protected the joint stable connection of lead-in wire 6, avoid loose contact.
Protection glue 10 is set between the polyester insulated adhesive tape 5 of secondary winding 3 outsides and secondary winding 3.Protection glue 10 can play equally and reduce the withstand voltage fraction defective of product, the effect that improves fastness, insulating properties and the withstand voltage properties of product.
6 outsides that go between all are arranged with sleeve pipe 7.Sleeve pipe 7 plays the effect of protection lead-in wire 6.
A kind of high withstand voltage ring-shaped transformer of the present utility model, adopt the upper and lower outer angular edge place of toroidal core 1 and armature winding 2 to be provided with end blanking bar 4, outside all voluble wrappings of toroidal core 1, armature winding 2 and secondary winding 3 have the technical scheme of polyester insulated adhesive tape 5, the use of end blanking bar 4 has reduced the thickness of polyester insulated adhesive tape 5, reduced the total use amount of insulating material, reduce the withstand voltage fraction defective of cost and product, effectively improved fastness, insulating properties and the withstand voltage properties of product.
It should be noted that at last: these are only preferred embodiment of the present utility model, be not limited to the utility model, although with reference to embodiment, the utility model is had been described in detail, for a person skilled in the art, it still can be modified to the technical scheme that aforementioned each embodiment puts down in writing, and perhaps part technical characterictic wherein is equal to replacement.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection range of the present utility model.
Claims (5)
1. one kind high withstand voltage ring-shaped transformer, it is characterized in that: comprise coil, toroidal core and lead-in wire, described coil comprises armature winding and secondary winding, and described armature winding and secondary winding are respectively equipped with lead-in wire; Between described toroidal core and armature winding, the upper and lower outer angular edge place of described toroidal core is provided with the end blanking bar; Between described armature winding and secondary winding, the upper and lower outer angular edge of described secondary winding place is provided with the end blanking bar, and outside all voluble wrappings of described toroidal core, armature winding and secondary winding have polyester insulated adhesive tape.
2. a kind of high withstand voltage ring-shaped transformer according to claim 1, it is characterized in that: the junction of described armature winding and its lead-in wire is provided with the first connection protective cap; The junction of described secondary winding and its lead-in wire arranges the second connection protective cap.
3. a kind of high withstand voltage ring-shaped transformer according to claim 2, is characterized in that: be provided with the first joint protection pad between described the first connection protective cap and armature winding, be provided with the second joint protection pad between described the second connection protective cap and secondary winding.
4. a kind of high withstand voltage ring-shaped transformer according to claim 1 is characterized in that: between the polyester insulated adhesive tape of described secondary winding outside and described secondary winding, protection glue is set.
5. a kind of high withstand voltage ring-shaped transformer according to claim 1 is characterized in that: described lead-in wire outside all is arranged with sleeve pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220377926 CN202996561U (en) | 2012-07-31 | 2012-07-31 | High-pressure-proof ring-shaped transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220377926 CN202996561U (en) | 2012-07-31 | 2012-07-31 | High-pressure-proof ring-shaped transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202996561U true CN202996561U (en) | 2013-06-12 |
Family
ID=48567706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220377926 Expired - Lifetime CN202996561U (en) | 2012-07-31 | 2012-07-31 | High-pressure-proof ring-shaped transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202996561U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109135602A (en) * | 2018-07-16 | 2019-01-04 | 龙运贴 | A kind of margin tape and its production technology |
| CN112309677A (en) * | 2019-07-31 | 2021-02-02 | 台达电子企业管理（上海）有限公司 | Transformer structure and manufacturing method thereof |
| CN115116738A (en) * | 2022-08-12 | 2022-09-27 | 杭州裕正电子有限公司 | Transformer production facility and transformer |
-
2012
- 2012-07-31 CN CN 201220377926 patent/CN202996561U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109135602A (en) * | 2018-07-16 | 2019-01-04 | 龙运贴 | A kind of margin tape and its production technology |
| CN112309677A (en) * | 2019-07-31 | 2021-02-02 | 台达电子企业管理（上海）有限公司 | Transformer structure and manufacturing method thereof |
| CN115116738A (en) * | 2022-08-12 | 2022-09-27 | 杭州裕正电子有限公司 | Transformer production facility and transformer |
| CN115116738B (en) * | 2022-08-12 | 2023-04-14 | 杭州裕正电子有限公司 | Transformer production facility and transformer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130612 |
|
| CX01 | Expiry of patent term |