CN204991389U - Low temperature rise dry -type transformer - Google Patents
Low temperature rise dry -type transformer Download PDFInfo
- Publication number
- CN204991389U CN204991389U CN201520651259.2U CN201520651259U CN204991389U CN 204991389 U CN204991389 U CN 204991389U CN 201520651259 U CN201520651259 U CN 201520651259U CN 204991389 U CN204991389 U CN 204991389U
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- determination
- unshakable
- low pressure
- iron core
- clamping device
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Abstract
The utility model provides a low temperature rise dry -type transformer, include: fastener unshakable in one's determination, unshakable in one's determination and support piece, the pyatyi seam iron core that is unshakable in one's determination, fastener unshakable in one's determination includes: under folder, the high -low pressure folder and clamping device unshakable in one's determination on the high -low pressure, on the high -low pressure folder with it is unshakable in one's determination to be fixed with the pyatyi seam under the high -low pressure between the folder, clamping device fixed mounting unshakable in one's determination is in on the high -low pressure folder with on the folder, just fix under the high -low pressure both ends about unshakable in one's determination, support piece includes: foot and the arm -tie of filling up unshakable in one's determination, the foot that fills up unshakable in one's determination is installed the pyatyi seam unshakable in one's determination with folder below under the high -low pressure, unshakable in one's determination fill up the foot with install between the iron core the arm -tie. The utility model provides an it is unshakable in one's determination that low temperature rise dry -type transformer has quoted the pyatyi seam, has guaranteed that the transformer loss is less, the noise is less and the processing performance improves, has reduced heat source unshakable in one's determination, has reduced the intensification of transformer, has prolonged the life of transformer.
Description
Technical field
The utility model relates to field transformer, particularly relates to a kind of low-temperature-rise dry-type transformer.
Background technology
Epoxy pouring type dry type variant distribution transformer can both meet the requirement of the energy-saving material-saving of current distribution system on stuctures and properties.Make comparisons with regard to the current transformer that can for select, the new change of epoxy pouring type dry type variant distribution transformer in operation and code have also been obtained the accreditation of more and more user.Due to open dry-type transformer structure existing, impact resistance is low, tolerance short-circuit strength is poor, moistureproof, anti-dust performance is poor and make the problems such as ageing of insulation because of corona discharge.And epoxy pouring type dry type piezoelectric transformer just eliminates the problems referred to above well; it has poured into a mould the special epoxy resin of transformer at the electromagnetic wire parcel of the good coil of coiling; ensure that electrical strength and the mechanical strength of coil, for coil and even transformer itself provides good protection.
But, because the special epoxy resin of transformer poured into a mould by the electromagnetic wire parcel at the good coil of coiling, coil is made to form a rigidity entirety, have impact on by the heat dispersion of molded coil, the convection current that the heat produced when transformer is normally run not readily passes through air distributes, cause the temperature rise of transformer more and more higher, accelerate the speed of ageing of insulation, substantially reduce the useful life that transformer is original.
Utility model content
Provide hereinafter about brief overview of the present utility model, to provide about the basic comprehension in some of the present utility model.Should be appreciated that this general introduction is not summarize about exhaustive of the present utility model.It is not that intention determines key of the present utility model or pith, neither intended limitation scope of the present utility model.Its object is only provide some concept in simplified form, in this, as the preorder in greater detail discussed after a while.
The purpose of this utility model is to provide a kind of low-temperature-rise dry-type transformer, and it is poor that object is to solve epoxy pouring type transformer heat dispersion in background technology, heats up more and more higher, shorten the problem in the useful life of transformer.
The utility model provides a kind of low-temperature-rise dry-type transformer, comprising: securing member unshakable in one's determination, unshakable in one's determination and strutting piece;
Described iron core is that Pyatyi seam is unshakable in one's determination;
Described securing member unshakable in one's determination comprises: high-low pressure upper clamping piece, high-low pressure lower clamping piece and Iron Core Clamping Device, Pyatyi seam is fixed with unshakable in one's determination between described high-low pressure upper clamping piece and described high-low pressure lower clamping piece, described Iron Core Clamping Device is fixedly mounted on described high-low pressure upper clamping piece and described high-low pressure lower clamping piece, and is fixed on the upper and lower two ends of described iron core;
Described strutting piece comprises: feet unshakable in one's determination and arm-tie, and described feet unshakable in one's determination is arranged on below described Pyatyi seam iron core and described high-low pressure lower clamping piece, is provided with described arm-tie between described feet unshakable in one's determination and described iron core.
It is unshakable in one's determination that the low-temperature-rise dry-type transformer that the utility model provides refer to Pyatyi seam, ensure that transformer loss is less, noise is less and processing performance improves, reduce thermal source unshakable in one's determination, reduce the intensification of transformer, extend the useful life of transformer.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is low-temperature-rise dry type transformer structure schematic diagram in the utility model;
Fig. 2 is low-temperature-rise dry-type transformer side structure schematic diagram in the utility model;
Fig. 3 is low-temperature-rise dry-type transformer iron structural representation in the utility model.
Reference numeral:
1-high-low pressure upper clamping piece; 2-high-low pressure lower clamping piece; 3-Iron Core Clamping Device;
4-feet unshakable in one's determination; 5-is unshakable in one's determination; 6-first screw rod;
7-second screw rod.
Embodiment
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.The element described in an accompanying drawing of the present utility model or a kind of execution mode and feature can combine with the element shown in one or more other accompanying drawing or execution mode and feature.It should be noted that for purposes of clarity, accompanying drawing and eliminate expression and the description of parts that have nothing to do with the utility model, known to persons of ordinary skill in the art and process in illustrating.Based on the embodiment in the utility model, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not paying creative work, all belongs to the scope of the utility model protection.
As depicted in figs. 1 and 2, the utility model provides a kind of low-temperature-rise dry-type transformer, comprising: iron core 5, securing member unshakable in one's determination and strutting piece;
Described unshakable in one's determination 5 is that Pyatyi seam is unshakable in one's determination;
Described securing member unshakable in one's determination comprises: high-low pressure upper clamping piece 1, high-low pressure lower clamping piece 2 and Iron Core Clamping Device 3, Pyatyi seam is fixed with unshakable in one's determination between described high-low pressure upper clamping piece 1 and described high-low pressure lower clamping piece 2, described Iron Core Clamping Device 3 is fixedly mounted on described high-low pressure upper clamping piece 1 with on described high-low pressure lower clamping piece 2, and is fixed on described about 5 two ends unshakable in one's determination;
Described strutting piece comprises: feet 4 unshakable in one's determination and arm-tie, and described feet 4 unshakable in one's determination is arranged on below described Pyatyi seam unshakable in one's determination 5 and described high-low pressure lower clamping piece 2, is provided with described arm-tie between described feet 4 unshakable in one's determination and described unshakable in one's determination 5.
From technology and process aspect, low-temperature-rise dry-type transformer in the utility model, by adopting Pyatyi seam unshakable in one's determination, ensure that transformer has the advantage that loss is little, noise is little, processing performance is good.
Optionally, described 5 materials unshakable in one's determination are: 30Q130 silicon steel sheet.Optionally, described arm-tie offers groove.In order to reduce the eddy current loss that leakage field is formed on arm-tie in the utility model, in case overheated, when transformer requirement specified 630KVA and above time, need the groove offering proper width on arm-tie.
Optionally, described Iron Core Clamping Device comprises the first Iron Core Clamping Device and the second Iron Core Clamping Device;
Described first Iron Core Clamping Device symmetry is arranged on two ends, described left and right unshakable in one's determination; Described second Iron Core Clamping Device symmetry is arranged on two ends, described left and right unshakable in one's determination.As depicted in figs. 1 and 2, at the two ends up and down of iron core, Iron Core Clamping Device is installed, and top and bottom there are two clamping devices respectively, are arranged on two ends, left and right unshakable in one's determination respectively, are used for iron core to fix.
Optionally, described first Iron Core Clamping Device comprises many first screw rods 6 crossing described high-low pressure upper clamping piece, and described first screw rod 6 two ends are provided with bolt, are provided with filling pad between described bolt and described high-low pressure upper clamping piece.
Optionally, described second Iron Core Clamping Device comprises many second screw rods 7 crossing described high-low pressure upper clamping piece, and described second screw rod 7 two ends are provided with bolt, are provided with filling pad between described bolt and described high-low pressure upper clamping piece.Wherein the structure of the first Iron Core Clamping Device and the second Iron Core Clamping Device is identical, is fixed with the bolt being arranged on screw rod two ends by the screw rod be transverse in high-low pressure upper clamping piece.
Optionally, the seam of described Pyatyi seam iron core is 45 ° of full bias seams.Have employed Pyatyi seam in the utility model unshakable in one's determination, and unshakable in one's determination employing does not fold upper yoke technique, alleviate the damage to silicon steel sheet, its no-load loss can also decline about 2%.Through theory calculate and production practices, the no-load loss of this novel product on average declines more than 10%, and no-load current declines more than 35%, and noise on average declines 4dB, greatly reduces thermal source unshakable in one's determination like this, thus reduces the temperature rise of transformer.Can say, use current core material, the no-load performance of transformer be improved, reduce the temperature rise of transformer, adopting Pyatyi seam lamination to be undoubtedly a kind of mode of production of the best, is also the ideal structure form replacing traditional secondary, three grades of seam laminated cores.
It is unshakable in one's determination that low-temperature-rise dry-type transformer in the utility model refer to Pyatyi seam, ensure that transformer loss is less, noise is less and processing performance improves, reduce thermal source unshakable in one's determination, reduce the intensification of transformer, extend the useful life of transformer.
Should emphasize, term " comprises/comprises " existence referring to feature, key element, step or assembly when using herein, but does not get rid of the existence or additional of one or more further feature, key element, step or assembly.
Although last it is noted that described the utility model and advantage thereof in detail above, be to be understood that and can carry out various change when not exceeding the spirit and scope of the present utility model limited by appended claim, substituting and converting.And scope of the present utility model is not limited only to the specific embodiment of process, equipment, means, method and step described by specification.One of ordinary skilled in the art will readily appreciate that from disclosure of the present utility model, can use perform the function substantially identical with corresponding embodiment described herein or obtain and its substantially identical result, existing and that will be developed in the future process, equipment, means, method or step according to the utility model.Therefore, appended claim is intended to comprise such process, equipment, means, method or step in their scope.
Claims (6)
1. a low-temperature-rise dry-type transformer, is characterized in that, comprising: securing member unshakable in one's determination, unshakable in one's determination and strutting piece;
Described iron core is that Pyatyi seam is unshakable in one's determination;
Described securing member unshakable in one's determination comprises: high-low pressure upper clamping piece, high-low pressure lower clamping piece and Iron Core Clamping Device, Pyatyi seam is fixed with unshakable in one's determination between described high-low pressure upper clamping piece and described high-low pressure lower clamping piece, described Iron Core Clamping Device is fixedly mounted on described high-low pressure upper clamping piece and described high-low pressure lower clamping piece, and is fixed on the upper and lower two ends of described iron core;
Described strutting piece comprises: feet unshakable in one's determination and arm-tie, and described feet unshakable in one's determination is arranged on below described Pyatyi seam iron core and described high-low pressure lower clamping piece, is provided with described arm-tie between described feet unshakable in one's determination and described iron core.
2. low-temperature-rise dry-type transformer according to claim 1, is characterized in that, described arm-tie offers groove.
3. low-temperature-rise dry-type transformer according to claim 1, is characterized in that, described Iron Core Clamping Device comprises the first Iron Core Clamping Device and the second Iron Core Clamping Device;
Described first Iron Core Clamping Device symmetry is arranged on two ends, described left and right unshakable in one's determination; Described second Iron Core Clamping Device symmetry is arranged on two ends, described left and right unshakable in one's determination.
4. low-temperature-rise dry-type transformer according to claim 3, it is characterized in that, described first Iron Core Clamping Device comprises many first screw rods crossing described high-low pressure upper clamping piece, described first screw rod two ends are provided with bolt, are provided with filling pad between described bolt and described high-low pressure upper clamping piece.
5. low-temperature-rise dry-type transformer according to claim 3, it is characterized in that, described second Iron Core Clamping Device comprises many second screw rods crossing described high-low pressure upper clamping piece, described second screw rod two ends are provided with bolt, are provided with filling pad between described bolt and described high-low pressure upper clamping piece.
6. low-temperature-rise dry-type transformer according to claim 1, is characterized in that, the seam of described Pyatyi seam iron core is 45 ° of full bias seams.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520651259.2U CN204991389U (en) | 2015-08-26 | 2015-08-26 | Low temperature rise dry -type transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520651259.2U CN204991389U (en) | 2015-08-26 | 2015-08-26 | Low temperature rise dry -type transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204991389U true CN204991389U (en) | 2016-01-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520651259.2U Expired - Fee Related CN204991389U (en) | 2015-08-26 | 2015-08-26 | Low temperature rise dry -type transformer |
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| Country | Link |
|---|---|
| CN (1) | CN204991389U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105097226A (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 |
-
2015
- 2015-08-26 CN CN201520651259.2U patent/CN204991389U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105097226A (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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhu Hainan Inventor after: Wang Xiaofei Inventor before: Wang Xiaofei Inventor before: He Chaoyang Inventor before: Chen Xingru |
|
| CB03 | Change of inventor or designer information | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180330 Address after: 226000 Jiangsu Province, Nantong high tech Zone of Haian City, South Industrial Zone (Haian Zhen Chen Village thirteen groups) Patentee after: JIANGSU EATON ELECTRIC TECHNOLOGY Co.,Ltd. Address before: 226600 Jiangsu city of Nantong province Haian County Industrial Zone South Chen Village 13 groups Patentee before: PEOPLE ELE. APPLIANCE GROUP JIANGSU SINUO COMPLETE EQUIPMENT & ENGINEERING Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 Termination date: 20210826 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |