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CN202816627U - High frequency high voltage high power density transformer - Google Patents

High frequency high voltage high power density transformer Download PDF

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Publication number
CN202816627U
CN202816627U CN 201220481209 CN201220481209U CN202816627U CN 202816627 U CN202816627 U CN 202816627U CN 201220481209 CN201220481209 CN 201220481209 CN 201220481209 U CN201220481209 U CN 201220481209U CN 202816627 U CN202816627 U CN 202816627U
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CN
China
Prior art keywords
winding section
pcb board
transformer
voltage
frequency
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN 201220481209
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Chinese (zh)
Inventor
王延安
张勇
高兆丽
卢宪斐
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
Jinan Power Supply Co of State Grid Shandong Electric Power Co Ltd
Original Assignee
Jinan Power Supply Co of State Grid Shandong Electric Power Co Ltd
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Priority to CN 201220481209 priority Critical patent/CN202816627U/en
Application granted granted Critical
Publication of CN202816627U publication Critical patent/CN202816627U/en
Anticipated expiration legal-status Critical
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Abstract

本实用新型公开了一种高频高压高功率密度变压器,它包括外壳和设置在外壳内的PCB板,所述PCB板为多层PCB板,所述多层PCB板上至少设置一个变压器单元,所述变压器单元包括若干个平面磁芯以及设置在平面磁芯之间第一绕组段、第二绕组段、第三绕组段和第四绕组段,所述第一绕组段、第二绕组段、第三绕组段和第四绕组段依次串联连接;所述变压器单元依次串联连接。该实用新型利用PCB板搭建绕组,不仅大大减小了变压器的体积,同时解决了高功率密度导致的低绝缘强度的问题,在提高功率密度的前提下,可以使输出电压得到进一步的提高,十分适合应用于电力行业。

Figure 201220481209

The utility model discloses a high-frequency, high-voltage, high-power-density transformer, which comprises a casing and a PCB board arranged in the casing, the PCB board is a multilayer PCB board, and at least one transformer unit is arranged on the multilayer PCB board. The transformer unit includes several planar magnetic cores and a first winding section, a second winding section, a third winding section and a fourth winding section arranged between the planar magnetic cores, the first winding section, the second winding section, The third winding section and the fourth winding section are sequentially connected in series; the transformer units are sequentially connected in series. The utility model uses PCB boards to build windings, which not only greatly reduces the volume of the transformer, but also solves the problem of low dielectric strength caused by high power density. On the premise of increasing power density, the output voltage can be further improved, which is very Suitable for use in the power industry.

Figure 201220481209

Description

A kind of high-frequency and high-voltage high power density transformer
Technical field
The utility model relates to a kind of power equipment, relates in particular to a kind of high-frequency and high-voltage high power density transformer.
Background technology
Along with the development of intelligent grid, need intelligent and portable high-voltage testing equipment.One of intelligentized feature is: (frequency is high) reduced at the control time interval, and control flexibly; Portable feature is: volume is little, and is lightweight.
In the electrical network testing equipment, transformer is a kind of requisite electric elements, and still, for the conventional structure transformer of generally using now, their volume is all huger, and this has just caused power density on the low side, and controls underaction.Although and the common plane transformer has the advantage of high power density, but be only applicable to the large electric current of output LOW voltage.So, just do not meet the development trend of following electrical network high-voltage testing equipment.
For the conventional structure transformer, if volume can reduce, will inevitably cause insulation distance to reduce, limited the further raising of output voltage; Therefore, for intellectuality and the portability that realizes high-voltage testing equipment, must solve the low insulation strength problem that high power density causes, can realize this idea by utilizing planar magnetic core and multi-layer PCB board to make up the autocoupling type cascade-connected transformer.
The utility model content
The utility model provides a kind of high-frequency and high-voltage high power density transformer for solving above-mentioned defective of the prior art, and the high power density that has overcome original transformer causes the defective of low insulation intensity.
For solving the problems of the technologies described above, the utility model scheme comprises: a kind of high-frequency and high-voltage high power density transformer, comprise shell and setting pcb board in the enclosure, it is characterized in that, described pcb board is multi-layer PCB board, a transformer unit is set on the described multi-layer PCB board at least, described transformer unit comprises several planar magnetic cores and is arranged on the first winding segments between the planar magnetic core, the second winding segments, tertiary winding section and the 4th winding segments that described the first winding segments, the second winding segments, tertiary winding section and the 4th winding segments are connected in series successively; Described transformer unit is connected in series successively.
Preferably, described pcb board comprises at least one multi-layer PCB board, is connected in series successively between the described multi-layer PCB board.
Preferably, the arbitrary neighborhood of described multi-layer PCB board is provided with insulating material between two-layer.
Preferably, be provided with one deck high-performance epoxy insulation layer between the top layer of described pcb board, bottom and the planar magnetic core yoke.
Preferably, the outside of the first winding segments of described multi-layer PCB board, the second winding segments, tertiary winding section and the 4th winding all adds and is covered with one deck epoxy insulation layer.
Preferably, described epoxy insulation layer is made by High Performance Insulation epoxy resin.
The beneficial effects of the utility model are: this utility model utilizes multi-layer PCB board to build winding, has not only greatly reduced the volume of transformer, has improved power density, and can output HIGH voltage, the very suitable power industry that is applied to.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of voltage transformation unit described in the utility model.
Among the figure: 1 multi-layer PCB board, 2 transformer units, 3 first winding segments, 4 second winding segments, 5 tertiary winding sections, 6 the 4th winding segments, 7 planar magnetic cores, 8 insulating material.
Embodiment
As depicted in figs. 1 and 2, the utility model provides a kind of high-frequency and high-voltage high power density transformer, and it comprises shell and setting pcb board in the enclosure.Described pcb board is several multi-layer PCB boards 1, a plurality of transformer units that are connected in series successively 2 are set on the described multi-layer PCB board 1, described transformer unit 2 comprises several planar magnetic cores 7 and is arranged on the first winding segments 3 between the planar magnetic core, the second winding segments 4, tertiary winding section 5 and the 4th winding segments 6 that described the first winding segments 3, the second winding segments 4, tertiary winding section 5 and the 4th winding segments 6 are connected in series successively; Be connected in series successively between the described multi-layer PCB board.
In order to prevent insulation breakdown, be provided with insulating material 8 between the top layer of described pcb board, bottom and planar magnetic core 7 yokes.
The outside of the first winding segments of described multi-layer PCB board, the second winding segments, tertiary winding section and the 4th winding all adds and is covered with the high-performance epoxy insulation layer that one deck is made by insulating epoxy, in order to increase the dielectric strength of above-mentioned winding and planar magnetic core 7 yokes.
In process of production, can choose according to different requirements the quantity of multi-layer PCB board, make voltage reach predetermined value by multistage boosting.
Should be understood that; above-mentioned description for preferred embodiment is comparatively detailed; can not therefore think the restriction to the utility model scope of patent protection; those of ordinary skill in the art is under enlightenment of the present utility model; do not breaking away from the scope situation that the utility model claim protects; can also make the various deformation such as replacement, simple combination, these all fall within the protection range of the present utility model, and the scope of asking for protection of the present utility model should be as the criterion with claims.

Claims (6)

1.一种高频高压高功率密度变压器,包括外壳和设置在外壳内的PCB板,其特征是,所述PCB板为多层PCB板,所述多层PCB板上至少设置一个变压器单元,所述变压器单元包括若干个平面磁芯以及设置在平面磁芯之间第一绕组段、第二绕组段、第三绕组段和第四绕组段,所述第一绕组段、第二绕组段、第三绕组段和第四绕组段依次串联连接;所述变压器单元依次串联连接。1. A high-frequency, high-voltage, high-power-density transformer, comprising a housing and a PCB board arranged in the housing, is characterized in that, the PCB board is a multilayer PCB board, and at least one transformer unit is arranged on the multilayer PCB board, The transformer unit includes several planar magnetic cores and a first winding section, a second winding section, a third winding section and a fourth winding section arranged between the planar magnetic cores, the first winding section, the second winding section, The third winding section and the fourth winding section are sequentially connected in series; the transformer units are sequentially connected in series. 2.根据权利要求1所述的一种高频高压高功率密度变压器,其特征是,所述PCB板包括至少一个多层PCB板,所述多层PCB板之间依次串联连接。2. A high-frequency, high-voltage, high-power-density transformer according to claim 1, wherein the PCB board includes at least one multilayer PCB board, and the multilayer PCB boards are sequentially connected in series. 3.根据权利要求1所述的一种高频高压高功率密度变压器,其特征是,所述多层PCB板的任意相邻两层之间设有绝缘材料。3. A high-frequency, high-voltage, high-power-density transformer according to claim 1, wherein an insulating material is provided between any adjacent two layers of the multilayer PCB board. 4.根据权利要求1所述的一种高频高压高功率密度变压器,其特征是,所述PCB板的顶层、底层与平面磁芯磁轭之间设有一层高性能环氧绝缘层。4. A high-frequency, high-voltage, high-power-density transformer according to claim 1, wherein a high-performance epoxy insulating layer is provided between the top layer and the bottom layer of the PCB board and the planar magnetic core yoke. 5.根据权利要求1所述的一种高频高压高功率密度变压器,其特征是,所述多层PCB板的第一绕组段、第二绕组段、第三绕组段和第四绕组的外侧均加覆有一层环氧绝缘层。5. A kind of high frequency high voltage high power density transformer according to claim 1, it is characterized in that, the outer side of the first winding section, the second winding section, the third winding section and the fourth winding section of the multilayer PCB board Are covered with a layer of epoxy insulation. 6.根据权利要求4和5所述的一种高频高压高功率密度变压器,其特征是,所述高性能环氧绝缘层由绝缘环氧树脂制成。6. A high-frequency, high-voltage, high-power-density transformer according to claims 4 and 5, wherein the high-performance epoxy insulating layer is made of insulating epoxy resin.
CN 201220481209 2012-09-19 2012-09-19 High frequency high voltage high power density transformer Expired - Lifetime CN202816627U (en)

Priority Applications (1)

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CN 201220481209 CN202816627U (en) 2012-09-19 2012-09-19 High frequency high voltage high power density transformer

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102832026A (en) * 2012-09-19 2012-12-19 山东电力集团公司济南供电公司 A high frequency high voltage high power density transformer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102832026A (en) * 2012-09-19 2012-12-19 山东电力集团公司济南供电公司 A high frequency high voltage high power density transformer

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C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: JINAN POWER SUPPLY COMPANY OF SHANDONG ELECTRIC PO

Effective date: 20130808

Owner name: STATE ELECTRIC NET CROP.

Free format text: FORMER OWNER: JINAN POWER SUPPLY COMPANY OF SHANDONG ELECTRIC POWER CORPORATION

Effective date: 20130808

C41 Transfer of patent application or patent right or utility model
COR Change of bibliographic data

Free format text: CORRECT: ADDRESS; FROM: 250012 JINAN, SHANDONG PROVINCE TO: 100031 XICHENG, BEIJING

TR01 Transfer of patent right

Effective date of registration: 20130808

Address after: 100031 Xicheng District, Chang'an Avenue, No. 86,

Patentee after: State Grid Corporation of China

Patentee after: Jinan Power Supply Co., Ltd. of Shandong Electric Power Corporation

Address before: 250012 Shandong Province, Ji'nan City Central Luoyuan Street No. 238

Patentee before: Jinan Power Supply Co., Ltd. of Shandong Electric Power Corporation

AV01 Patent right actively abandoned

Granted publication date: 20130320

Effective date of abandoning: 20150819

RGAV Abandon patent right to avoid regrant