CN205723063U - A kind of compound embedding structure of high frequency electrical product - Google Patents
A kind of compound embedding structure of high frequency electrical product Download PDFInfo
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- CN205723063U CN205723063U CN201620400718.4U CN201620400718U CN205723063U CN 205723063 U CN205723063 U CN 205723063U CN 201620400718 U CN201620400718 U CN 201620400718U CN 205723063 U CN205723063 U CN 205723063U
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Abstract
The compound embedding structure of a kind of high frequency electrical product disclosed in this utility model, the lid including shell and covered on described cover top portion opening and setting high frequency electrical product in the enclosure, it is characterized in that, between described high frequency electrical product and the inwall of described shell, embedding has flexible glue insulator, and between upper surface and the bottom surface of lid of described flexible glue insulator, embedding has ebonite insulator.1 is had the advantage that compared with this utility model single casting glue technology existing with current high frequency electrical product such as high frequency transformer or reactor) temperature rise reduction more than 5K (comparing single ebonite)；2) more than lower noise 3dB (comparing single ebonite)；3) high and low temperature impact test (comparing single ebonite) can be passed through；4) fall-down test (comparing single flexible glue) can be passed through, can install with any direction (comparing single flexible glue).
Description
Technical field
This utility model relates to high frequency electrical product technical field, particularly to the compound embedding structure of a kind of high frequency electrical product being applied to large power power electronic appliance.
Background technology
It is applied to high frequency (1-50kHz) transformator and/or the reactor of large power power electronic appliance at present, electric property has been stablized, low relative to the little loss of power frequency (50/60kHz) volume of transformer.But owing to being operated in high frequency state, when open type is installed, noise is in 80-100dB (selecting A level weighted at measured object 1 meter with noise apparatus) left and right, much larger than standard value (no more than 75dB), so high frequency transformer or reactor need to do special process process reduces noise.On current market, main flow noise reduction technique is overall embedding,
Conventional casting glue divides flexible glue and ebonite two kinds by intensity.The main component of conventional flexible glue is silica gel, and advantage is that heat conductivity high (more than 1.0), heatproof high (more than 180 degree), embedding layer thickness more also will not ftracture (high/low-temperature impact), and shortcoming is that adhesive strength is low easily to come off.The main component of conventional ebonite is epoxy resin, advantage is that intensity is big, bonding force is high, and shortcoming is that heat conductivity general (about 0.8), heatproof general (155-180 degree), embedding layer easily ftracture (high/low-temperature impact) more than 30mm.In sum, two kinds of the most conventional potted transformer or reactor have respective pluses and minuses.
Utility model content
The purpose of this utility model is the deficiency existing for high frequency electrical product such as high frequency transformer or reactor for existing independent employing flexible glue or ebonite embedding and provides the compound embedding structure of a kind of high frequency electrical product.It, by embedding is soft successively in high frequency electrical product such as a high frequency transformer or reactor, ebonite, avoids shortcoming, plays advantage, thus reduces noise, temperature rise, raising reliability (high-low temperature resistant impact).
To achieve the above object of the invention, the technical solution adopted in the utility model is:
A kind of compound embedding structure of high frequency electrical product, the lid including shell and covered on described cover top portion opening and setting high frequency electrical product in the enclosure, it is characterized in that, between described high frequency electrical product and the inwall of described shell, embedding has flexible glue insulator, and between upper surface and the bottom surface of lid of described flexible glue insulator, embedding has ebonite insulator.
In a preferred embodiment of the present utility model, the ultimate range between upper surface and the bottom surface of described lid of described flexible glue insulator is 25～30mm.
In a preferred embodiment of the present utility model, described high frequency electrical product is transformator or reactor.
Embodiment of the present utility model is as follows:
High frequency electrical product such as high frequency transformer or reactor elder generation's embedding flexible glue when embedding, embedding height with higher than the upper surface of the iron core of high frequency transformer or reactor but less than requiring that embedding total height 25mm is as the criterion, embedding complete feeding curing oven.One important parameter of electric product is temperature rise, and the main transformer body in source of the heating of temperature rise, with the flexible glue that heat conductivity is the highest between body and heat-dissipating casing, so the soonest the heat of body can be transmitted to shell, thus reduce the temperature rise of body, it is ensured that the life-span of product.Embedding ebonite again after flexible glue is fully cured, embedding is highly less than 30mm, embedding complete feeding curing oven.Because flexible glue solidification and be not too strong with the bonding force of shell, product side formula or reverse mounted time have entirety to come off risk, use adhesive strength height ebonite that this risk can be made to be preferably minimized, the most do not affect temperature rise.
Tested by reality, have the advantage that compared with this utility model single casting glue technology existing with current high frequency electrical product such as high frequency transformer or reactor
1) temperature rise reduces more than 5K (comparing single ebonite)；
2) more than lower noise 3dB (comparing single ebonite)；
3) high and low temperature impact test (comparing single ebonite) can be passed through；
4) fall-down test (comparing single flexible glue) can be passed through, can install with any direction (comparing single flexible glue).
Accompanying drawing explanation
Fig. 1 is the front view of this utility model embodiment.
Fig. 2 is the left view of this utility model embodiment.
Fig. 3 is the top view of this utility model embodiment.
Detailed description of the invention
See Fig. 1 to Fig. 3, the compound embedding structure of the high frequency transformer be given in figure, the lid 5 including shell 1 and covered in institute's shell 1 open top and the iron core 2 of high frequency transformer being arranged in shell 1, winding 3, winding 3 is drawn by pair of lead wires 4, goes between 4 through lid 1.Between iron core 2, winding 3 and the inwall of shell 1 of high frequency transformer, embedding has flexible glue insulator 6, and between the upper surface and the bottom surface of lid 5 of flexible glue insulator 6, embedding has ebonite insulator 7.Ultimate range between upper surface and the bottom surface of lid 5 of flexible glue insulator 6 is 25～30mm.
Operating process is to select putting into shell 1 through the middle iron core 2 of high frequency transformer of test passes, winding 3, carries out flexible glue embedding afterwards, is re-fed into curing oven.Embedding ebonite again after cooling, continues into curing oven, can do final test after cooling, qualified after pack warehouse-in.Major control point is flexible glue embedding height and ebonite embedding height.
High frequency transformer in above-mentioned detailed description of the invention could alternatively be radio-frequency rector.
Claims (3)
1. a compound embedding structure for high frequency electrical product, opens in described cover top portion with covering including shell
Lid on mouth and setting high frequency electrical product in the enclosure, it is characterised in that in described high frequency electrical
Between the inwall of product and described shell, embedding has flexible glue insulator, at the upper surface of described flexible glue insulator
And embedding has ebonite insulator between the bottom surface of lid.
The compound embedding structure of a kind of high frequency electrical product the most as claimed in claim 1, it is characterised in that
Ultimate range between upper surface and the bottom surface of described lid of described flexible glue insulator is 25～30mm.
The compound embedding structure of a kind of high frequency electrical product the most as claimed in claim 1 or 2, its feature
Being, described high frequency electrical product is transformator or reactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620400718.4U CN205723063U (en) | 2016-05-05 | 2016-05-05 | A kind of compound embedding structure of high frequency electrical product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620400718.4U CN205723063U (en) | 2016-05-05 | 2016-05-05 | A kind of compound embedding structure of high frequency electrical product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205723063U true CN205723063U (en) | 2016-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620400718.4U Active CN205723063U (en) | 2016-05-05 | 2016-05-05 | A kind of compound embedding structure of high frequency electrical product |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105810391A (en) * | 2016-05-05 | 2016-07-27 | 上海兆启新能源科技有限公司 | Composite encapsulating structure for high-frequency electrical product |
| US11610716B2 (en) | 2019-04-01 | 2023-03-21 | Delta Electronics (Shanghai) Co., Ltd | Transformer |
| US11610729B2 (en) | 2019-04-01 | 2023-03-21 | Delta Electronics (Shanghai) Co., Ltd | Transformer and assembling method thereof |
| US11610717B2 (en) | 2019-04-01 | 2023-03-21 | Delta Electronics (Shanghai) Co., Ltd | Potting box and transformer |
-
2016
- 2016-05-05 CN CN201620400718.4U patent/CN205723063U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105810391A (en) * | 2016-05-05 | 2016-07-27 | 上海兆启新能源科技有限公司 | Composite encapsulating structure for high-frequency electrical product |
| US11610716B2 (en) | 2019-04-01 | 2023-03-21 | Delta Electronics (Shanghai) Co., Ltd | Transformer |
| US11610729B2 (en) | 2019-04-01 | 2023-03-21 | Delta Electronics (Shanghai) Co., Ltd | Transformer and assembling method thereof |
| US11610717B2 (en) | 2019-04-01 | 2023-03-21 | Delta Electronics (Shanghai) Co., Ltd | Potting box and transformer |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |