Transformer Coil Structure with High Voltage Resistance

专利摘要:
The invention provides a transformer coil structure with high voltage resistance, which comprises a winding padded membrane, a low voltage coil layer, a high voltage coil layer and an insulation cylinder, the low voltage coil layer is wound around the winding padded membrane, the insulation cylinder is pressed tightly against the inner side wall of the high voltage coil layer, the insulation cylinder is installed outside the low voltage coil layer, the insulation cylinder comprises a cylinder body and elastic limit units, the limit units are evenly fixed to the inner wall of the cylinder body, each limit unit comprises an outer support part, a supporting rod and a ball, the outer support part is fixed to the inner wall of the cylinder body, a holding groove is formed on the inner side surface of the outer support part, one end of the supporting rod is fixed to the outer support part, the other end of the supporting rod is hinged with the ball, the supporting rod passes through the holding groove, the ball is arranged in the holding groove and extends out of the holding groove, the ball is pressed against the low voltage coil layer. The cylinder body of the invention is firmly pressed against the outer edge of the low voltage coil layer through the outer support part, the supporting rod and the ball, thus improving the stability of the whole cylinder body, with good insulation property and good voltage resistance.
公开号:NL2023810A
申请号:NL2023810
申请日:2019-09-11
公开日:2021-02-22
发明作者:Huang Wei
申请人:Zhongbian Group Shanghai Transf Co Ltd；
IPC主号:

专利说明:

Transformer Coil Structure with High Voltage Resistance Technical Field The invention belongs to the technical field of transformers, in particular to a transformer coil structure with high voltage resistance.
Background The coils of an ordinary transformer are installed to a core limb, the low voltage coil is in the inner layer, and the high voltage coil is installed to the outer layer of the low voltage coil.
An insulation cylinder is added between the transformer core and the low voltage coil to facilitate insulation and ensure the voltage resistance of the transformer.
However, ordinary insulation cylinders are not fixed or unstably fixed. making the insulation cylinders easy to displace, resulting in poor insulation effect and poor voltage resistance reliability of the insulation cylinders.
Summary of the Invention The invention aims to provide a transformer coil structure with high voltage resistance to improve the insulation property thereof.
In order to achieve the above purpose, the invention adopts the following technical scheme: A transformer coil structure with high voltage resistance, comprising a winding padded membrane, alow voltage coil layer, a high voltage coil layer and an insulation cylinder; wherein the low voltage coil layer is wound around the winding padded membrane; the insulation cylinder is pressed against the inner side wall of the high voltage coil layer; the insulation cylinder is installed outside the low voltage coil layer; the insulation cylinder comprises a cylinder body and an elastic limit unit; the limit units are evenly fixed to the inner wall of the cylinder body: each of the limit unit comprises an outer support part, a supporting rod and a ball: the outer support part is fixed to the inner wall of the cylinder body; the holding groove is formed on the inner side surface of the outer support part; one end of the supporting rod 1s fixed to the outer support part; the other end of the supporting rod is hinged with the ball; the supporting rod passes through the holding groove; the ball is arranged in the holding groove and extends out of the holding groove; the ball is pressed against the low voltage coil layer.
Preferably, the outer side surface of the outer support part is a curved surface and protrudes toward the low voltage coil laver.
Preferably, each of the limit unit further comprises a spring; both ends of the spring are respectively fixed to the outer side surface of the outer support part and the inner wall of the cylinder body.
Preferably, the holding groove is centered.
Preferably, the number of limit units is 6.
Compared with prior arts, the invention has the following advantages: The ball is always pressed against the low voltage coil layer, and the cylinder body is firmly pressed against the outer edge of the low voltage coil layer through the outer support part, the supporting rod and the ball, thus improving the stability of the whole cylinder body, and providing good insulation property and good voltage resistance. Brief Description of the Drawings FIG. 1 is a sectional view of the transformer coil structure with high voltage resistance in an embodiment of the invention; FIG. 2 is the structure diagram of the limit units in FIG. 1.
Where, |-winding padded membrane, 2-low voltage coil layer, 3-high voltage coil layer, 4- cylinder body, 5-limit unit, 51-outer support part, 52-supporting rod, 53-ball, 54-sprmg.
Detailed Description of the Preferred Embodiments The transformer coil structure with high voltage resistance of the invention will be described in more detail in conjunction with a schematic diagram in which preferred embodiments of the invention are represented. It should be understood that those skilled in the art may modify the invention described herein and still achieve the beneficial effects of the invention. Therefore, the following description should be understood as being widely known to those skilled in the art and notas a restriction on the invention.
As shown in FIG. I-FIG. 2, a transformer coil structure with high voltage resistance, comprising a winding padded membrane 1, a low voltage coil layer 2, a high voltage coil layer 3 and an insulation cylinder; wherein the low voltage coil layer 2 is wound around the winding padded membrane 1: the insulation cylinder is pressed against the inner side wall of the high voltage coil layer 3; the msulation cylinder is installed outside the low voltage coil layer 2; the insulation cylinder comprises a cylinder body 4 and elastic limit units 5; the limit units 5 are evenly fixed to the inner wall of the cylinder body 4; each limit unit 5 comprises an outer support part 51, a supporting rod 52 and a ball 53;
the outer support part 51 is fixed to the inner wall of the cylinder body 4; a holding groove is formed on the inner side surface of the outer support part 51; one end of the supporting rod 52 is fixed to the outer support part 51; the other end of the supporting rod 52 is hinged with the ball 53; the supporting rod 52 passes through the holding groove; the ball 53 is arranged in the holding groove and extends out of the holding groove; the ball 53 is pressed against the low voltage coil layer 2.
In the present embodiment, the outer side surface of the outer support part 51 is a curved surface and protrudes toward the low voltage coil layer 2.
In the present embodiment, each of the limit unit 5 further comprises a spring 54; both ends of the spring 54 are respectively fixed to the outer side surface of the outer support part 51 and the inner wall of the cylinder body 4. The low voltage coil layer 2 is pressed against the ball 53, thus pressing the entire insulation cylinder against a portion between the low voltage coil layer 22 and the high voltage coil layer 33. When subjected to external force, the outer support part 51, the ball 53 and the spring 54 can all buffer the influence of external force on the cylinder body 4 so that the cylinder body 4 is not easy to wobble and has good stability.
In the present embodiment, the holding groove is centered. In the present embodiment, the number of limit units 5 is 6. When the transformer coil structure is used, the balls 53 are always pressed against the low voltage coil layer 2, the cylinder body 4 is firmly pressed against the outer edge of the low voltage coil layer 2 through the outer support part 51, the supporting rod 52 and the ball 53, thus improving the stability of the whole cylinder body 4, and providing good insulation property and good voltage resistance.
The above is only a preferred embodiment of the invention, and has no restrictive effect on the invention. Any form of equivalent replacement or modification and other alterations made by those skilled in the art on the technical scheme and content disclosed by the invention within a scope not separated from the technical scheme of the invention shall be deemed as not separated from the content of the technical scheme of the invention, and shall still fall within the scope of protection of the invention.

权利要求:
Claims (5)
[1]
A transformer coil structure with high voltage resistance, comprising a padded winding membrane, a low voltage coil layer. a high voltage coil layer and an insulating cylinder; wherein the low voltage coil layer is wrapped around the wrapped padded wrapping membrane; wherein the insulating cylinder is pressed against the inner side wall of the high voltage coil layer; wherein the insulating cylinder is placed outside the low voltage coil layer; wherein the isolation cylinder comprises a cylinder body and an elastic limiting unit; wherein the limiting units are uniformly attached to the inner wall of the cylinder body; wherein each of the boundary units comprises an outer support member, a support rod and a ball. wherein the outer support member is attached to the inner wall of the cylinder body; wherein the retaining groove is formed on the inner side surface of the outer support member; wherein one end of the support bar is attached to the outer support member; the other protruding from the support bar pivotal with the ball: the support bar passing through the retaining groove; wherein the ball is disposed in the retaining groove and protruding from the retaining groove: wherein the ball is pressed against the low voltage coil layer.
[2]
The high voltage resistor transformer coil structure of claim 1, wherein the outer side surface of the outer support member is a curved surface and projects towards the low voltage coil layer.
[3]
The high voltage resistor transformer coil structure of claim 2, wherein each of the limiting units further comprises a spring; wherein both ends of the spring are respectively attached to the outer side surface of the outer support member and the inner wall of the cylinder body.
[4]
The high voltage resistor transformer coil structure of claim 1, wherein the holding groove is centered.
[5]
The high voltage resistor transformer coil structure of claim 1, wherein the number of limiting units is 6.

类似技术:

---

公开号 | 公开日 | 专利标题

---

NL2023810B1|2021-10-14|Transformer Coil Structure with High Voltage Resistance

---

BR102014023875A8|2021-08-17|magnetic contactor

---

CN103487664B|2016-08-17|A kind of stairstepping inductance coil winding method being applied to inductance sensor

---

CN204242788U|2015-04-01|Safety anti-vibration type dry-type transformer

---

US1664537A|1928-04-03|Sleeping pillow

---

CN205376243U|2016-07-06|Improved generation electro -magnet

---

CN204991409U|2016-01-20|Iron core structure is folded on low noise plane

---

CN205406263U|2016-07-27|Transformer structure with combining function

---

CN211016677U|2020-07-14|Transformer with shock-absorbing structure

---

CN204130288U|2015-01-28|High withstand voltage metal shell power resistor

---

CN204204546U|2015-03-11|High solar heat protection and operate stable electromagnet

---

US1605557A|1926-11-02|Inductance device

---

CN204230014U|2015-03-25|Choke transformer

---

JP1705954S|2022-01-25|coil

---

CN213183926U|2021-05-11|High-voltage-withstanding transformer coil structure

---

CN208610321U|2019-03-19|A kind of mattress

---

CN203070902U|2013-07-17|Coil of epoxy casting dry-type transformer

---

KR960026032A|1996-07-20|Scatter Correction Device for Inductance Using Balance Bobbin

---

CN209729705U|2019-12-03|A kind of convenient and fast electronic power supply transformer of coiling

---

CN207397914U|2018-05-22|A kind of power transformer with coil buffer support

---

CN205542343U|2016-08-31|Ampere -turn balance transformer

---

CN205903075U|2017-01-25|A draw some mountings for sofa

---

CN203230761U|2013-10-09|Folded spring

---

CN204257362U|2015-04-08|A kind of stretching structure of Long Circle dry-type transformer body

---

CN201975252U|2011-09-14|Cross-shaped insulating frame

同族专利:

---

公开号 | 公开日

---

CN210156244U|2020-03-17|

---

NL2023810B1|2021-10-14|

引用文献:

---

公开号 | 申请日 | 公开日 | 申请人 | 专利标题

---

---

法律状态:

优先权:

---

申请号 | 申请日 | 专利标题

---

CN201921242110.3U|CN210156244U|2019-08-02|2019-08-02|High voltage transformer coil structure|

---