CN203300403U - Dry-type transformer - Google Patents
Dry-type transformer Download PDFInfo
- Publication number
- CN203300403U CN203300403U CN2013202752935U CN201320275293U CN203300403U CN 203300403 U CN203300403 U CN 203300403U CN 2013202752935 U CN2013202752935 U CN 2013202752935U CN 201320275293 U CN201320275293 U CN 201320275293U CN 203300403 U CN203300403 U CN 203300403U
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- dry
- iron core
- low voltage
- low pressure
- type transformer
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Abstract
The utility model discloses a dry-type transformer. The dry-type transformer comprises an alloy iron core, high and low voltage combined type windings and a base, wherein the high and low voltage combined type windings are sleeved with coils and provided with epoxy resin integrally in a poured mode to be shaped, solvent-free gridding cloth is arranged between the inner layer and the outer layer of each high and low voltage combined type winding, the epoxy resin can completely penetrate into the coils, an air channel for heat dissipation is arranged between the high and low voltage combined type windings, a temperature controller is arranged at the upper end of the alloy iron core, and draught fans are arranged on the lower portions of the high and low voltage combined type windings. Due to the structural design of the dry-type transformer, internal strength of the windings can be improved, impact resistance can be enhanced, mechanical strength is enhanced, the partial discharging volume of the coils is reduced greatly, and service life is prolonged. In addition, the air channel for heat dissipation is arranged between the high and low voltage combined type windings, the temperature controller is arranged at the upper end of the alloy iron core, the draught fans are arranged on the lower portions of the high and low voltage combined type windings, therefore, temperature changes of the dry-type transformer can be monitored at all times, wind force of the draught fans is regulated in real time, and the dry-type transformer is protected effectively.
Description
Technical field
The utility model belongs to the technical field that transformer is manufactured, and particularly relates to a kind of dry-type transformer.
Background technology
Transformer is to utilize the principle of electromagnetic induction to change the device of alternating voltage, in electric equipment and radio-circuit, is commonly used for lifting voltage, matched impedance and safety isolation etc.Present existing dry-type transformer iron core is that grain orientation cold-reduced silicon sheet shearing closed assembly forms, the high-low pressure winding is independent winding, cast separately respectively, therefore the transformer process structure of finished product is simple, no-load loss is high, limited the scope of application of dry-type power transformer, reduced the operating efficiency of dry-type power transformer, and casting mold is many, and high-low pressure winding concentricity is difficult to control; In addition.The safe operation of dry-type transformer and useful life, depend on to a great extent the safe and reliable of Transformer Winding insulation, winding temperature surpasses the insulation tolerable temperature makes insulation breakdown, it is the one of the main reasons that causes the transformer cisco unity malfunction, and traditional dry-type transformer function singleness lacks and detects and warning device.
The Chinese patent utility model name that disclosed publication number is 201638654U application number 201020032733.0 on November 17th, 2010 is called a kind of epoxy resin dry-type power transformer, comprise alloy-iron core, high-low pressure composite type winding and bended plate type folder, it is characterized in that: the integrated poured molding for epoxy resin of described high-low pressure composite type winding cover coiling, ectonexine and interlayer at described high-low pressure composite type winding arrange solvent-free grid cloth, and epoxy resin penetrates into coil inside fully.High-low pressure combined-type coil winding in this epoxy resin dry-type power transformer adopts the poured with epoxy resin global formation, improved the inner field intensity of winding, improve shock resistance, also improved simultaneously mechanical strength, but it does not have cooling function and can not constantly monitor the transformer temperature variation, and function is relatively single, useful life is short, poor safety performance.
The utility model content
The purpose of this utility model is to provide a kind of dry-type transformer, and this dry-type transformer has that loss is little, mechanical strength is high, good insulation preformance, protective capacities are strong, has cooling function and can constantly monitor transformer temperature to change.
A kind of dry-type transformer, comprise alloy-iron core, high-low pressure composite type winding and base, the integrated poured molding for epoxy resin of described high-low pressure composite type winding cover coiling, ectonexine and interlayer at described high-low pressure composite type winding arrange solvent-free grid cloth, epoxy resin penetrates into coil inside fully, the air air flue of heat transmission is set between described high-low pressure composite type winding, and described alloy-iron core upper end is provided with temperature controller, and described high-low pressure composite type winding bottom is provided with blower fan.
Described temperature controller is fixed on described alloy-iron core upper end by base.
Described alloy-iron core surface is provided with the insulating barrier of sound insulation.
Described insulating barrier is silicane rubber plate.
Dry-type transformer of the present utility model, comprise alloy-iron core, high-low pressure composite type winding and base, the integrated poured molding for epoxy resin of described high-low pressure composite type winding cover coiling, ectonexine and interlayer at described high-low pressure composite type winding arrange solvent-free grid cloth, and epoxy resin penetrates into coil inside fully, and this structural design can be improved the winding internal intensity, improve shock resistance, improve mechanical strength, make the office of coil high-volume reduce greatly, improved useful life; Secondly, the air air flue of heat transmission is set between described high-low pressure composite type winding, described alloy-iron core upper end is provided with temperature controller, described high-low pressure composite type winding bottom is provided with blower fan, can constantly monitor transformer temperature changes, and regulate in real time blower fan wind-force, and can effectively protect transformer, have security performance preferably; Finally, described alloy-iron core surface is provided with the insulating barrier of sound insulation, and described insulating barrier is silicane rubber plate, when noise outwards transmits, by described insulating barrier, is absorbed, thereby reaches the purpose that reduces transformer noise, and cost is low, saves material.The utility model reasonable in design, practical, have good value for applications.
The accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is further described:
Fig. 1 is structural front view of the present utility model;
Fig. 2 is the vertical view of high-low pressure composite type winding.
Embodiment
As shown in Figure 1, dry-type transformer of the present utility model, comprise alloy-iron core 1, high-low pressure composite type winding 2 and base 3, the integrated poured molding for epoxy resin of described high-low pressure composite type winding 2 cover coiling, ectonexine and interlayer at described high-low pressure composite type winding 2 arrange solvent-free grid cloth, epoxy resin penetrates into coil inside fully, the air air flue 6 of heat transmission is set between described high-low pressure composite type winding 2, described alloy-iron core 1 upper end is provided with temperature controller 4, and described high-low pressure composite type winding 2 bottoms are provided with blower fan 5.
Described temperature controller 4 is fixed on described alloy-iron core 1 upper end by base 3.
Described alloy-iron core 1 surface is provided with the insulating barrier of sound insulation.
Described insulating barrier is silicane rubber plate.
Dry-type transformer of the present utility model, comprise alloy-iron core, high-low pressure composite type winding and base, the integrated poured molding for epoxy resin of described high-low pressure composite type winding cover coiling, ectonexine and interlayer at described high-low pressure composite type winding arrange solvent-free grid cloth, and epoxy resin penetrates into coil inside fully, and this structural design can be improved the winding internal intensity, improve shock resistance, improve mechanical strength, make the office of coil high-volume reduce greatly, improved useful life; Secondly, the air air flue of heat transmission is set between described high-low pressure composite type winding, described alloy-iron core upper end is provided with temperature controller, described high-low pressure composite type winding bottom is provided with blower fan, can constantly monitor transformer temperature changes, and regulate in real time blower fan wind-force, and can effectively protect transformer, have security performance preferably; Finally, described alloy-iron core surface is provided with the insulating barrier of sound insulation, and described insulating barrier is silicane rubber plate, when noise outwards transmits, by described insulating barrier, is absorbed, thereby reaches the purpose that reduces transformer noise, and cost is low, saves material.The utility model reasonable in design, practical, have good value for applications.
Claims (4)
1. dry-type transformer, it is characterized in that: comprise alloy-iron core, high-low pressure composite type winding and base, the integrated poured molding for epoxy resin of described high-low pressure composite type winding cover coiling, ectonexine and interlayer at described high-low pressure composite type winding arrange solvent-free grid cloth, epoxy resin penetrates into coil inside fully, the air air flue of heat transmission is set between described high-low pressure composite type winding, described alloy-iron core upper end is provided with temperature controller, and described high-low pressure composite type winding bottom is provided with blower fan.
2. dry-type transformer as claimed in claim 1, it is characterized in that: described temperature controller is fixed on described alloy-iron core upper end by base.
3. dry-type transformer as claimed in claim 1, it is characterized in that: described alloy-iron core surface is provided with the insulating barrier of sound insulation.
4. dry-type transformer as claimed in claim 3, it is characterized in that: described insulating barrier is silicane rubber plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202752935U CN203300403U (en) | 2013-05-20 | 2013-05-20 | Dry-type transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202752935U CN203300403U (en) | 2013-05-20 | 2013-05-20 | Dry-type transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203300403U true CN203300403U (en) | 2013-11-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202752935U Expired - Fee Related CN203300403U (en) | 2013-05-20 | 2013-05-20 | Dry-type transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203300403U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105097236A (en) * | 2015-08-26 | 2015-11-25 | 人民电器集团江苏斯诺成套设备工程有限公司 | Low temperature rise dry-type transformer |
| CN105469961A (en) * | 2016-01-13 | 2016-04-06 | 王丹 | Three-phase dried transformer |
| CN107888043A (en) * | 2017-12-28 | 2018-04-06 | 苏州泰科贝尔直驱电机有限公司 | A kind of torque motor |
| CN109887710A (en) * | 2019-04-18 | 2019-06-14 | 陈祖松 | A kind of energy saving dry-type transformer of abnormal wheel edge processing |
| CN113990613A (en) * | 2021-11-03 | 2022-01-28 | 索高变压器有限公司 | Dry-type transformer |
-
2013
- 2013-05-20 CN CN2013202752935U patent/CN203300403U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105097236A (en) * | 2015-08-26 | 2015-11-25 | 人民电器集团江苏斯诺成套设备工程有限公司 | Low temperature rise dry-type transformer |
| CN105469961A (en) * | 2016-01-13 | 2016-04-06 | 王丹 | Three-phase dried transformer |
| CN107888043A (en) * | 2017-12-28 | 2018-04-06 | 苏州泰科贝尔直驱电机有限公司 | A kind of torque motor |
| CN109887710A (en) * | 2019-04-18 | 2019-06-14 | 陈祖松 | A kind of energy saving dry-type transformer of abnormal wheel edge processing |
| CN113990613A (en) * | 2021-11-03 | 2022-01-28 | 索高变压器有限公司 | Dry-type transformer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131120 Termination date: 20210520 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |