CN207719028U - A kind of low drain sense high frequency transformer - Google Patents

A kind of low drain sense high frequency transformer Download PDF

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Publication number
CN207719028U
CN207719028U CN201721652323.4U CN201721652323U CN207719028U CN 207719028 U CN207719028 U CN 207719028U CN 201721652323 U CN201721652323 U CN 201721652323U CN 207719028 U CN207719028 U CN 207719028U
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CN
China
Prior art keywords
coil
cylinder
wrapping post
skeleton
diversion trench
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Active
Application number
CN201721652323.4U
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Chinese (zh)
Inventor
李福喜
孟庆锋
陶根勇
孙瑞友
郭伟
范雪梅
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Bengbu Double Ring Inductance Ltd By Share Ltd
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Bengbu Double Ring Inductance Ltd By Share Ltd
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Priority to CN201721652323.4U priority Critical patent/CN207719028U/en
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Abstract

The utility model discloses a kind of low drain sense high frequency transformer, including skeleton, magnetic core and coil, and at the top of skeleton be limit base, middle part is wrapping post, bottom is pedestal, and coil winding is in wrapping post periphery;The wrapping post of the skeleton is cylinder, and the high ratio of cylinder perimeter and cylinder is 1:1;The limit base both sides are respectively equipped with diversion trench, and pedestal both sides are respectively equipped with deflector hole, and diversion trench is with deflector hole as the channel for impregnating all power water to coil;It is 1 to make cylinder perimeter and the high ratio of cylinder:1, even if also wrapping post perimeter and the ratio around linear window are 1:1, while not increasing material cost, effectively reduce leakage inductance;Wrapping post is cylinder, the deflecting that when coil winding can be softer, avoids the occurrence of bending phenomenon, protection coil insulation sheath it is intact;Varnish from diversion trench and deflector hole both direction dipping coil, makes coil farthest contact varnish respectively, improves the insulation performance of coil.

Description

A kind of low drain sense high frequency transformer
Technical field
The utility model is related to technical field of electronic components, specifically a kind of low drain sense high frequency transformer.
Background technology
High frequency transformer is the transformer that working frequency is more than 20kHz, is mainly used for doing energy transmission, electricity in high-frequency circuit Current voltage conversion, signal driving etc., in the electricity of the various electronic equipments such as household electrical appliance, intelligent electric meter, instrument and meter, luminaire It is used widely in road.
With the continuous improvement that electronic equipment requires stability, reliability, interference free performance, to the core of electronic equipment The requirement of heart power part also accordingly improves, and modern power supply is mainly high frequency switch power, and essential core becomes for high frequency Depressor, this proposes the safety of high frequency transformer, stability, reliability, interference free performance very high requirement.High frequency transformation The leakage inductance of device influences whether greatly the stability of entire power supply, reliability, and may cause to export field-effect tube damage.The circle of coil Between pressure resistance influence whether the safety of product.Leakage inductance how is reduced, pressure resistance is improved, is the urgently solution of each high frequency transformer producer Certainly the problem of.
Each producer solves basic ideas mainly from the processing of the angle of technique at present, and winding displacement is close, close as possible between winding Contact etc. reduces leakage inductance.Insulation thickness by increasing enameled wire increases the turn-to-turn pressure resistance of coil.The former can increase production Cost, the latter can increase material cost.
Utility model content
The purpose of this utility model is to provide a kind of low drain sense high frequency transformer, which can effectively reduce leakage Sense, and improve pressure-resistant performance.
Technical solution adopted by the utility model to solve its technical problems is:
A kind of low drain sense high frequency transformer, including skeleton, magnetic core and coil, skeleton top is limit base, middle part is coiling Column, bottom are pedestal, and coil winding is in wrapping post periphery;The wrapping post of the skeleton is cylinder, and cylinder perimeter and cylinder are high Ratio is 1:1;The limit base both sides are respectively equipped with diversion trench, and pedestal both sides are respectively equipped with deflector hole, diversion trench and deflector hole As the channel for impregnating all power water to coil.
The utility model has the beneficial effects that:
One, it is 1 to make cylinder perimeter and the high ratio of cylinder:1, even if also wrapping post perimeter and the ratio around linear window are 1: 1, while not increasing material cost, effectively reduce leakage inductance;
Two, wrapping post is cylinder, and the deflecting that when coil winding can be softer avoids the occurrence of bending phenomenon, protects coil Insulation sheath it is intact;
Three, varnish makes coil farthest contact all respectively from diversion trench and deflector hole both direction dipping coil Vertical water, improves the insulation performance of coil.
Description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples:
Fig. 1 is the structural schematic diagram of the utility model;
Fig. 2 is the side view of Fig. 1, omits magnetic core;
Fig. 3 is the schematic diagram of the utility model skeleton;
Fig. 4 is the side view of Fig. 3.
Specific implementation mode
In conjunction with shown in Fig. 1 and Fig. 2, the utility model provides a kind of low drain sense high frequency transformer, including skeleton, magnetic core 2 with Coil 3, skeleton top is limit base 1a, middle part is wrapping post 1b, bottom is pedestal 1c, and pin 4, coil are equipped with below pedestal 1c 3 are wound on the peripheries wrapping post 1b.In conjunction with shown in Fig. 3 and Fig. 4, the wrapping post 1b of skeleton is cylinder, and cylinder perimeter and cylinder are high Ratio is 1:1;The both sides limit base 1a are respectively equipped with diversion trench 5, and diversion trench 5 is horizontal open slot;The both sides pedestal 1c are set respectively It is vertical through-hole to have deflector hole 6, deflector hole 6;Diversion trench 5 is with deflector hole 6 as the channel for impregnating all power water to coil 3.
Under normal circumstances, bigger around linear window breadth, the leakage inductance of transformer is smaller, but can undoubtedly increase material cost, this Utility model makes cylinder perimeter and the high ratio of cylinder be 1:1, even if also wrapping post perimeter and the ratio around linear window are 1:1, While not increasing material cost, leakage inductance is effectively reduced.Wrapping post 1b is set as cylinder, and coil can be more soft in coiling The deflecting of sum avoids the occurrence of bending phenomenon, protects the intact of coil insulation sheath.In preparation process, need to soak into coil Stain varnish is reinforced insulating, and the utility model varnish impregnates respectively from diversion trench and deflector hole both direction, four positions Coil makes coil farthest contact varnish, improves the insulation performance of coil.
The above descriptions are merely preferred embodiments of the present invention, not makees in any form to the utility model Limitation;Any technical person familiar with the field, it is all available in the case where not departing from technical solutions of the utility model ambit The methods and technical content of the disclosure above makes many possible changes and modifications to technical solutions of the utility model, or is revised as The equivalent embodiment of equivalent variations.Therefore, every content without departing from technical solutions of the utility model, according to the utility model Technical spirit any simple modification, equivalent replacement, equivalence changes and modification made to the above embodiment, still fall within this practicality In the range of the protection of new technique scheme.

Claims (1)

1. a kind of low drain sense high frequency transformer, including skeleton, magnetic core and coil, be limit base at the top of skeleton, middle part be wrapping post, Bottom is pedestal, and coil winding is in wrapping post periphery, which is characterized in that the wrapping post of the skeleton be cylinder, cylinder perimeter with The high ratio of cylinder is 1:1;The limit base both sides are respectively equipped with diversion trench, and pedestal both sides are respectively equipped with deflector hole, diversion trench With deflector hole as the channel for impregnating all power water to coil.
CN201721652323.4U 2017-12-01 2017-12-01 A kind of low drain sense high frequency transformer Active CN207719028U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721652323.4U CN207719028U (en) 2017-12-01 2017-12-01 A kind of low drain sense high frequency transformer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721652323.4U CN207719028U (en) 2017-12-01 2017-12-01 A kind of low drain sense high frequency transformer

Publications (1)

Publication Number Publication Date
CN207719028U true CN207719028U (en) 2018-08-10

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721652323.4U Active CN207719028U (en) 2017-12-01 2017-12-01 A kind of low drain sense high frequency transformer

Country Status (1)

Country Link
CN (1) CN207719028U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113257537A (en) * 2021-05-13 2021-08-13 葛连志 Centered electromagnetic coil and preparation method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113257537A (en) * 2021-05-13 2021-08-13 葛连志 Centered electromagnetic coil and preparation method thereof

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