CN217768086U - Improved high voltage-resistant transformer - Google Patents
Improved high voltage-resistant transformer Download PDFInfo
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- CN217768086U CN217768086U CN202221552775.6U CN202221552775U CN217768086U CN 217768086 U CN217768086 U CN 217768086U CN 202221552775 U CN202221552775 U CN 202221552775U CN 217768086 U CN217768086 U CN 217768086U
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Abstract
The utility model discloses an improved high voltage-resistant transformer, which comprises a frame body with an open upper end of an internal cavity, wherein the top and the inside of the frame body are respectively provided with a framework and a winding coil structure; the winding coil structure comprises a ferrite core embedded in the cavity of the frame body, and an internal winding coil assembly connected with a connecting pin arranged at two side ends of the top of the framework is arranged on the ferrite core in a winding way; and an insulating layer for increasing the insulating property between the framework and the ferrite magnetic core so as to improve the withstand voltage is coated on the framework. The utility model has the advantages of can effectively reduce the encapsulation size, improve withstand voltage.
Description
Technical Field
The utility model relates to a transformer technical field, more specifically say, in particular to improved generation high withstand voltage transformer.
Background
With the rapid development of industrialization, the application field of transformers is increasing day by day, and the transformers are suitable for performing power frequency or direct current high-voltage insulation strength tests on various high-voltage electrical equipment, electrical equipment elements and insulation materials in power systems, industrial and mining enterprises, scientific research departments and the like. The transformer changes alternating voltage by utilizing the principle of electromagnetic induction so as to play a role in adjusting the quality and the state of a communication circuit and further reduce the signal distortion degree of a product.
At present, an existing transformer mainly comprises a frame body, a framework and an internal winding with a primary winding coil, a secondary winding coil and a magnetic core, however, the primary winding coil and the secondary winding coil of the internal winding of the existing transformer are respectively arranged at different positions of the magnetic core, in addition, the insulation performance between the primary winding coil and the secondary winding coil and between the magnetic core and the framework is poor, in the using process, the packaging size of the transformer is large, the withstand voltage is low, and the practical application requirements are difficult to meet.
How to solve the above problems is a technical problem to be solved urgently.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a can effectively reduce the encapsulation size, improve withstand voltage's improved generation high withstand voltage transformer.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an improved high-voltage-resistant transformer comprises a frame body with an open upper end of an internal cavity, wherein a framework and a winding coil structure are respectively arranged at the top and inside of the frame body; the winding coil structure comprises a ferrite core embedded in the cavity of the frame body, and an internal winding coil assembly connected with a connecting pin arranged at two side ends of the top of the framework is arranged on the ferrite core in a winding way; and an insulating layer for improving the insulating property between the framework and the ferrite magnetic core so as to improve the withstand voltage is coated on the framework.
Preferably, the internal winding coil assembly comprises a first high-voltage-resistant wire which is arranged on the ferrite core in a surrounding manner and forms a primary winding coil, the first high-voltage-resistant wire is connected with a connecting pin arranged at one side end of the top of the framework, a first high-temperature-resistant insulating layer which coats the primary winding coil formed by the first high-voltage-resistant wire is arranged outside the first high-voltage-resistant wire in a surrounding manner, the internal winding coil assembly further comprises a second high-voltage-resistant wire which is arranged on the first high-temperature-resistant insulating layer in a surrounding manner and forms a secondary winding coil, and the second high-voltage-resistant wire is connected with a connecting pin arranged at the other side end of the top of the framework.
Preferably, the inner winding coil assembly further includes a second high temperature resistant insulating layer disposed around the outside of the second high voltage resistant wire and covering the secondary winding coil formed of the second high voltage resistant wire.
Preferably, the first high-voltage-resistant wire and the second high-voltage-resistant wire are both teflon electric wires.
Preferably, the frame body includes a frame body, and a third high temperature insulating layer is disposed on the frame body and covers inner and outer surfaces of the frame body, wherein the ferrite core is embedded in the frame body, and the skeleton is disposed at a top of the frame body.
Preferably, the first high-temperature-resistant insulating layer, the second high-temperature-resistant insulating layer and the third high-temperature-resistant insulating layer are all composed of high-temperature-resistant adhesive tapes.
Preferably, the frame body and the framework are both made of plastic materials.
Preferably, the insulating layer is made of a nomex paper sheet having high insulating properties.
Compared with the prior art, the utility model discloses beneficial effect who has as follows:
the utility model discloses a with the primary winding coil that constitutes by first high-voltage resistant line, first high temperature resistant insulating layer, the secondary winding coil that constitutes by second high-voltage resistant line, the cladding of second high temperature resistant insulating layer in proper order from inside to outside of internal winding coil assembly establish on the ferrite core, adopt the internal winding coil assembly that is set up by each part cladding in proper order and stack up to solve the primary winding coil and the secondary winding coil of the internal winding of traditional transformer and establish in the magnetic core different positions and cause the problem that the product size is great, thereby can reduce the utility model discloses a volume effectively reduces the encapsulation size; in addition, the framework adopts the framework body and the structure of the third high temperature resistant insulating layer which is coated on the inner surface and the outer surface of the framework body, and the first high temperature resistant insulating layer is arranged between the primary winding coil consisting of the first high voltage resistant wire and the secondary winding coil consisting of the second high voltage resistant wire, the second high temperature resistant insulating layer is coated outside the secondary winding coil consisting of the second high voltage resistant wire, the insulating layer is coated on the framework, in the using process, the creepage distance and the electric clearance distance requirement between the primary winding coil consisting of the first high voltage resistant wire and the secondary winding coil consisting of the second high voltage resistant wire can be effectively reduced through the first high temperature resistant insulating layer and the second high temperature resistant insulating layer, the high temperature resistant performance and the insulating performance of the winding coil structure, the framework and the framework can be improved through the insulating layer and the third high temperature resistant insulating layer, and the electric strength is further improved, the voltage resistant performance of the utility model is improved, and the safety performance of the utility model is improved; therefore, the utility model has the advantages of can effectively reduce the encapsulation size, improve withstand voltage.
Drawings
The present invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is a side view of an improved high withstand voltage transformer according to the present invention;
fig. 2 is a front view of an improved high withstand voltage transformer according to the present invention;
fig. 3 is a top view of an improved high withstand voltage transformer according to the present invention.
Description of reference numerals: 1. the coil comprises a frame body, 11, a frame body, 12, a third high-temperature-resistant insulating layer, 2, a framework, 3, a winding coil structure, 31, a ferrite magnetic core, 32, a connecting pin, 33, an internal winding coil assembly, 100, a first high-voltage-resistant wire, 200, a first high-temperature-resistant insulating layer, 300, a second high-voltage-resistant wire, 400, a second high-temperature-resistant insulating layer, 4 and an insulating layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1 to 3, an improved high voltage-resistant transformer includes a frame 1 having an open upper end of an internal cavity, and a bobbin 2 and a winding coil structure 3 respectively disposed at the top and inside of the frame 1; the winding coil structure 3 comprises a ferrite core 31 embedded in the cavity of the frame body 1, and an internal winding coil assembly 33 connected with a connecting pin 32 arranged at two side ends of the top of the framework 2 is arranged on the ferrite core 31 in a winding way; an insulating layer 4 for increasing the insulating property between the framework 2 and the ferrite core 31 to improve the withstand voltage is further coated on the framework 2.
The internal winding coil assembly 33 includes a first high voltage resistant wire 100 that is wound around the ferrite core 31 to form a primary winding coil, the first high voltage resistant wire 100 is connected to a connection pin 32 that is arranged at one side end of the top of the bobbin 2, a first high temperature resistant insulating layer 200 that covers the primary winding coil formed by the first high voltage resistant wire 100 is wound around the outside of the first high voltage resistant wire 100, and a second high voltage resistant wire 300 that is wound around the first high temperature resistant insulating layer 200 to form a secondary winding coil, and the second high voltage resistant wire 300 is connected to the connection pin 32 that is arranged at the other side end of the top of the bobbin 2.
The inner winding coil assembly 33 further includes a second high-temperature-resistant insulating layer 400 surrounding the second high-voltage-resistant wire 300 and covering the secondary winding coil formed of the second high-voltage-resistant wire 300.
The frame 1 includes a frame body 11, and a third high temperature insulating layer 12 is disposed on the frame body 11 to cover the inner and outer surfaces of the frame body 11, wherein the ferrite core 31 is embedded in the frame body 11, and the frame 2 is disposed on the top of the frame body 11.
The first high-voltage-resistant wire 100 and the second high-voltage-resistant wire 300 are both teflon wires; the first high temperature resistant insulating layer 200, the second high temperature resistant insulating layer 400 and the third high temperature resistant insulating layer 12 are all composed of high temperature resistant adhesive tapes; the frame body 11 and the framework 2 are both made of plastic materials; the insulating layer 4 is made of a nomex paper sheet having high insulating properties.
When the embodiment is used specifically, firstly, the third high-temperature-resistant insulating layer 12 of the frame body 1 is sleeved on the frame body 11, and the inner and outer surfaces of the frame body 11 are coated by the third high-temperature-resistant insulating layer 12; secondly, the insulating layer 4 is coated and sleeved on the framework 2, and the framework 2 is fixedly arranged at the top of the framework body 11 through an external insulating nail; then, the first high voltage resistant wire 100 of the internal winding coil assembly 33 is wound around the ferrite core 31 of the winding coil structure 3 to form a primary winding coil, two interface ends of the first high voltage resistant wire 100 are connected with corresponding connecting pins 32 arranged at one side end of the top of the framework 2, the first high voltage resistant insulating layer 200 is coated on the primary winding coil formed by the first high voltage resistant wire 100 in a wound manner, the second high voltage resistant wire 300 is wound around the first high temperature resistant insulating layer 200 to form a secondary winding coil, two interface ends of the second high voltage resistant wire 300 are connected with corresponding connecting pins 32 arranged at the other side end of the top of the framework 2, and the second high voltage resistant insulating layer 400 is coated on the secondary winding coil formed by the second high voltage resistant wire 300 in a wound manner; finally, the winding coil structure 3 is embedded in the frame body 11 through the ferrite core 31, and the external primary voltage interface and the external secondary voltage interface are respectively connected to the corresponding connection pins 32 for use.
In a word, the utility model adopts the above structure, have the advantage that can effectively reduce the encapsulation size, improve withstand voltage.
Various other modifications and changes can be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes should fall within the scope of the claims.
Claims (8)
1. An improved high-voltage-resistant transformer comprises a frame body (1) with an open upper end of an internal cavity, wherein a framework (2) and a winding coil structure (3) are respectively arranged at the top and inside of the frame body (1); the method is characterized in that: the winding coil structure (3) comprises a ferrite magnetic core (31) embedded in a cavity of the frame body (1), and an internal winding coil assembly (33) connected with a connecting pin (32) arranged at two side ends of the top of the framework (2) is arranged on the ferrite magnetic core (31) in a surrounding mode; and an insulating layer (4) for increasing the insulating property between the framework (2) and the ferrite magnetic core (31) so as to improve the withstand voltage is coated on the framework (2).
2. An improved high withstand voltage transformer according to claim 1, characterized in that: the inner winding coil assembly (33) comprises a first high-voltage-resistant wire (100) which is arranged on the ferrite core (31) in a surrounding mode to form a primary winding coil, the first high-voltage-resistant wire (100) is connected with a connecting pin (32) arranged at one side end of the top of the framework (2), a first high-temperature-resistant insulating layer (200) which coats the primary winding coil formed by the first high-voltage-resistant wire (100) is arranged outside the first high-voltage-resistant wire (100) in a surrounding mode, a second high-voltage-resistant wire (300) which is arranged on the first high-temperature-resistant insulating layer (200) in a surrounding mode to form a secondary winding coil is further arranged, and the second high-voltage-resistant wire (300) is connected with the connecting pin (32) arranged at the other side end of the top of the framework (2).
3. An improved high withstand voltage transformer according to claim 2, characterized in that: the inner winding coil assembly (33) further comprises a second high-temperature-resistant insulating layer (400) which is arranged outside the second high-voltage-resistant wire (300) in a surrounding mode and covers the secondary winding coil formed by the second high-voltage-resistant wire (300).
4. An improved high withstand voltage transformer according to claim 3, characterized in that: the first high-voltage-resistant wire (100) and the second high-voltage-resistant wire (300) are both Teflon electric wires.
5. An improved high withstand voltage transformer according to claim 3, characterized in that: the frame body (1) comprises a frame body (11), a third high-temperature-resistant insulating layer (12) covering the inner surface and the outer surface of the frame body (11) is arranged on the frame body (11), the ferrite magnetic core (31) is embedded on the frame body (11), and the framework (2) is arranged at the top of the frame body (11).
6. An improved high withstand voltage transformer according to claim 5, characterized in that: the first high-temperature-resistant insulating layer (200), the second high-temperature-resistant insulating layer (400) and the third high-temperature-resistant insulating layer (12) are all composed of high-temperature-resistant adhesive tapes.
7. An improved high withstand voltage transformer according to claim 5, characterized in that: the frame body (11) and the framework (2) are both made of plastic materials.
8. An improved high withstand voltage transformer according to any one of claims 1 to 7, characterized in that: the insulating layer (4) is made of a nomex paper sheet having high insulating properties.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221552775.6U CN217768086U (en) | 2022-06-21 | 2022-06-21 | Improved high voltage-resistant transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221552775.6U CN217768086U (en) | 2022-06-21 | 2022-06-21 | Improved high voltage-resistant transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217768086U true CN217768086U (en) | 2022-11-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221552775.6U Active CN217768086U (en) | 2022-06-21 | 2022-06-21 | Improved high voltage-resistant transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217768086U (en) |
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2022
- 2022-06-21 CN CN202221552775.6U patent/CN217768086U/en active Active
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