CN102768894A - Heat dissipating device for transformer - Google Patents
Heat dissipating device for transformer Download PDFInfo
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- CN102768894A CN102768894A CN2012102786096A CN201210278609A CN102768894A CN 102768894 A CN102768894 A CN 102768894A CN 2012102786096 A CN2012102786096 A CN 2012102786096A CN 201210278609 A CN201210278609 A CN 201210278609A CN 102768894 A CN102768894 A CN 102768894A
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Abstract
The embodiment of the invention discloses a heat dissipating device for a transformer, comprising a cabinet, a first baffle, a second baffle, a centrifugal blower and an axial flow blower unit, wherein the cabinet is used for placing the transformer and is provided with an air vent on the top; the first baffle is arranged at the top of the transformer low-voltage winding, one end of the first baffle is connected to the side of the cabinet, and the other end of the first baffle is connected to the low-voltage winding; the second baffle is in parallel to the first baffle, is arranged between the bottom of the transformer low-voltage winding and the first baffle to form a low-voltage winding air channel, and is used for isolating the air channel of the low-voltage winding and the high-voltage winding; the centrifugal blower is arranged on the air vent at the top of the cabinet; the axial flow blower unit comprises a plurality of axial flow blowers and is arranged at a position relative to the low-voltage winding. The heat dissipating device for the transformer isolates the high-voltage winding and the low-voltage winding by the baffles, can overcome the cooling air flow crosstalk and increase the heat dissipating efficiency, and also can intensively dissipate the low-voltage winding by the axial flow blower unit, avoid the low-voltage winding temperature cascade and improve the low-voltage heat dissipation.
Description
Technical field
The present invention relates to the heat dissipation technology field, relate in particular to a kind of heat dissipating device of transformer.
Background technology
Along with the dry rectifier transformer is widely used in the mesohigh frequency converter as the insulating power supply of mesohigh frequency converter; Because the power grade of mesohigh frequency converter is higher; Transformer is limited by self efficient meeting generation great amount of heat in the process of work again, and the heat radiation of transformer is generally through natural heat dissipation or forced air cooling heat radiation.What the normal employing of transformer forced air cooling heat radiation was technological is crossflow fan to be installed below the winding improve the transformer heat radiation, and the crossflow fan air-out directly gets into transformer high and low pressure winding, the forced-convection heat transfer of reinforcement winding and air, thereby reduction winding temperature.
Prior art adopts crossflow fan can improve the Transformer Winding heat radiation to a certain extent; But crossflow fan subject matter is that its balance is poor; Fan life is short, because the axle center of motor of crossflow fan and blower frame bearing pedestal central point are difficult for keeping with one heart when assembling, causes flabellum eccentric; In its high speed rotating process, very easily cause damage of bearings.It is not high to use more crossflow fan reliability at present, is difficult to satisfy the long-term work requirement.In addition, do not make up the air channel between crossflow fan and Transformer Winding, the crossflow fan air-out gets between high pressure winding and low pressure winding, and local flow is chaotic, and radiating efficiency is not high, and especially winding heat radiation in top is relatively poor.
For solving the requirement of crossflow fan reliable long-term working property; Propose to adopt axial flow blower to substitute the heat radiation module of crossflow fan; This technology has been installed one group of axial flow blower in the transformer bottom, in order to substitute crossflow fan, because the reliability of axial flow blower is generally higher; And not high to installation requirement, thereby this technology can satisfy the requirement of blower fan reliable long-term working property.Though this technical scheme can improve the reliability of blower fan, because axial flow blower is positioned at transformer bottom, air-flow flows through winding from the bottom to top, and gas flow temperature raises gradually, and the winding temperature that is positioned at transformer top is winding apparently higher than the bottom.In addition; Because the transformer low voltage winding is vertical with prior art scheme air flow with the main contact-making surface of air; Adopt axial flow blower to blow in the bottom; Can not effectively dispel the heat, and the loss of low pressure winding accounts for the over half of whole Transformer Winding loss, thereby this technology can not be well to the good heat radiation of the whole realization of transformer to the low pressure winding.
Summary of the invention
In view of this, the embodiment of the invention provides a kind of heat dissipating device of transformer, can effectively improve the radiating efficiency of transformer.
For addressing the above problem, the technical scheme that the embodiment of the invention provides is following:
On the one hand; Example of the present invention provides a kind of heat dissipating device of transformer, is used for transformer is dispelled the heat, and said transformer comprises low pressure winding, high pressure winding and iron core; Its high pressure winding is between low pressure winding and iron core; Comprise: rack, be arranged at transformer low voltage winding end face, be used to place said transformer; First baffle plate, the one of which end is connected to the side of said rack, and the other end is connected to said low pressure winding; Second baffle, it is parallel with said first baffle plate to be arranged at transformer low voltage winding bottom surface, and constitutes low pressure winding air channel between said first baffle plate, and is used to isolate the air channel of said low pressure winding and said high pressure winding; Centrifugal blower is arranged on the ventilation hole of said enclosure top; The axial flow blower group comprises a plurality of axial flow blowers, is arranged at the relative position of said low pressure winding.
Optional, a phase winding of the corresponding at least said low pressure winding of said axial flow blower.
Optional, said rack is vertical rack or horizontal rack.
Optional, said horizontal rack also comprises the 3rd baffle plate, and said the 3rd baffle plate is covered on the said low pressure winding, and a side connects first baffle plate, and opposite side connects second baffle, is used to isolate the air channel of said low pressure winding and said high pressure winding.
Optional, said axial flow blower group is arranged at a side of said Door of communication apparatus cabinet.
Optional, also comprise the second axial flow blower group, be arranged at a side and the relative position of said low pressure winding at said rack back door.
Optional, also comprise the many groups axial flow blower group that is arranged at said low pressure winding relative position.
Can find out, adopt the heat dissipating device of transformer of the embodiment of the invention, high pressure winding and low pressure winding isolated, can overcome cooling blast and crosstalk, improve radiating efficiency through baffle plate; The axial flow blower group is directly dispelled the heat to the low pressure winding, can effectively reduce the low pressure winding temperature, and the low pressure winding is dispelled the heat.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use among the embodiment below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the vertical transformer rack air channel sketch map of heat dissipating device of transformer of the present invention;
Fig. 2 is the horizontal type transformer rack air channel front view of heat dissipating device of transformer of the present invention;
Fig. 3 is the horizontal type transformer rack air channel vertical view of heat dissipating device of transformer of the present invention;
Fig. 4 is the vertical transformer rack air channel sketch map of heat dissipating device of transformer of the present invention;
Fig. 5 is the horizontal type transformer rack air channel sketch map of heat dissipating device of transformer of the present invention.
Embodiment
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, complete description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
Be illustrated in figure 1 as the vertical transformer rack air channel sketch map of heat dissipating device of transformer of the present invention.Transformer comprises low pressure winding 30, high pressure winding 20 and iron core 70, and its high pressure winding 20 is between low pressure winding 30 and iron core 70.This heat dissipating device of transformer comprises rack 100, the first baffle plates 40, second baffle 60, centrifugal blower 10 and axial flow blower group 50.Rack 100 is used to place transformer, and the top has ventilation hole; First baffle plate 40 is arranged at transformer low voltage winding 30 end faces, and the one of which end is connected to the side of rack 100, and the other end is connected to high pressure winding 20; Second baffle 60, parallel with first baffle plate 40, be arranged at transformer low voltage winding 30 bottom surfaces, and constitute low pressure winding 30 air channels between first baffle plate 40, be used to isolate the air channel of low pressure winding 30 and high pressure winding 20; Centrifugal blower 10 is arranged on the ventilation hole at rack 100 tops; The axial flow blower group comprises a plurality of axial flow blowers 50, is arranged at the relative position of low pressure winding 30.
The all corresponding at least axial flow blower 50 of every phase winding of low pressure winding 30.First baffle plate 40 all has through hole with second baffle 60.Cold wind gets into low pressure winding 30 for 50 groups through axial flow blower, along flowing on the high pressure winding lateral, sheds through centrifugal blower 10 at last.
In this execution mode, transformer is vertical transformer.Centrifugal blower 10 is installed in rack 100 tops, offers ventilation hole on the Qianmen, and centrifugal blower 10 is extracted the thermal current of the thermal current of the high pressure winding 20 of flowing through and the low pressure winding 30 of flowing through outside the rack 100 out.First baffle plate 40 is installed in transformer top for overhead gage; Second baffle 60 is installed in the transformer bottom for lower baffle plate; The position of corresponding three phase windings of overhead gage and lower baffle plate all has through hole; Its shape is consistent with low pressure winding 30, and the through hole edge is close to low pressure winding 30 outer walls, and is concordant with low pressure winding 30 winding outward flanges.Overhead gage and lower baffle plate be isolated high-voltage winding 20 air channels and low pressure winding 30 air channels together.One group of axial flow blower 50 is installed on the rack 100; Be equipped with at least one axial flow blower 50 over against the every phase winding of transformer; Axial flow blower 50 is through the Qianmen air intake; From the outside cold airs that get into of the rack 100 transformer low voltage winding 30 of directly flowing through, upwards flow along high pressure winding 20 outer walls then, realize heat radiation to low pressure winding 30.The cold air that gets into from bottom, rack 100 Qianmen upwards flows along the gap of 20 of high pressure windings, realizes the heat radiation to high pressure winding 20.
Be illustrated in figure 2 as the horizontal type transformer rack air channel front view of heat dissipating device of transformer of the present invention, shown in Figure 3ly be the horizontal type transformer rack air channel vertical view of heat dissipating device of transformer of the present invention.In this execution mode, rack 100 is horizontal rack 100, and rack 100 also comprises the 3rd baffle plate 80.The 3rd baffle plate 80 is positioned at low pressure winding 30 tops, connects first baffle plate and second baffle, is used to isolate the air channel of low pressure winding 30 and high pressure winding 20.
Be illustrated in figure 4 as the vertical transformer rack air channel sketch map of heat dissipating device of transformer of the present invention, shown in Figure 5ly be the horizontal type transformer rack air channel sketch map of heat dissipating device of transformer of the present invention.In this execution mode, this heat dissipating device of transformer also comprises the second axial flow blower group, is arranged at the relative position of a side and low pressure winding 30 at rack 100 back doors.This second axial flow blower group comprises that a plurality of axial flow blowers 50 ' are arranged at the relative position of low pressure winding 30, is used to strengthen 30 heat radiations of transformer rear portion low pressure winding.
This heat dissipating device of transformer can also comprise that 50 groups of many group axial flow blowers are arranged at the position relative with low pressure winding 30, dispel the heat to transformer.
The professional can also further should be able to recognize; The unit and the algorithm steps of each example of describing in conjunction with embodiment disclosed herein; Can realize with electronic hardware, computer software or the combination of the two; For the interchangeability of hardware and software clearly is described, the composition and the step of each example described prevailingly according to function in above-mentioned explanation.These functions still are that software mode is carried out with hardware actually, depend on the application-specific and the design constraint of technical scheme.The professional and technical personnel can use distinct methods to realize described function to each certain applications, but this realization should not thought the scope that exceeds the embodiment of the invention.
The heat dissipating device of transformer of the embodiment of the invention is isolated high pressure winding and low pressure winding through baffle plate, can overcome cooling blast and crosstalk, and improves radiating efficiency; The axial flow blower group is directly dispelled the heat to the low pressure winding, can effectively reduce the low pressure winding temperature, to dispelling the heat of low pressure winding.
The method of describing in conjunction with embodiment disclosed herein or the step of algorithm can be directly with the software modules of hardware, processor execution, and perhaps the combination of the two is implemented.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the embodiment of the invention.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined General Principle can realize under the situation of spirit that does not break away from the embodiment of the invention or scope in other embodiments among this paper.Therefore, the embodiment of the invention will can not be restricted to these embodiment shown in this paper, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
More than be merely the preferred embodiment of the embodiment of the invention; Not in order to the restriction embodiment of the invention; All within the spirit and principle of the embodiment of the invention, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection range of the embodiment of the invention.
Claims (7)
1. a heat dissipating device of transformer is used for transformer is dispelled the heat, and said transformer comprises low pressure winding, high pressure winding and iron core at least, and said high pressure winding is arranged between low pressure winding and the iron core, it is characterized in that, comprising:
Rack is arranged at transformer low voltage winding end face, is used to place said transformer;
First baffle plate, the one of which end is connected to the side of said rack, and the other end is connected to said low pressure winding;
Second baffle, it is parallel with said first baffle plate to be arranged at transformer low voltage winding bottom surface, and constitutes low pressure winding air channel between said first baffle plate, and is used to isolate the air channel of said low pressure winding and said high pressure winding;
Centrifugal blower is arranged on the ventilation hole of said enclosure top;
The axial flow blower group comprises a plurality of axial flow blowers, is arranged at the relative position of said low pressure winding.
2. heat dissipating device of transformer according to claim 1 is characterized in that: a phase winding of the corresponding at least said low pressure winding of said axial flow blower.
3. heat dissipating device of transformer according to claim 1 is characterized in that: said rack is vertical rack or horizontal rack.
4. heat dissipating device of transformer according to claim 3; It is characterized in that: said horizontal rack also comprises the 3rd baffle plate; Said the 3rd baffle plate is covered on the said low pressure winding; One side connects first baffle plate, and opposite side connects second baffle, is used to isolate the air channel of said low pressure winding and said high pressure winding.
5. heat dissipating device of transformer according to claim 1 is characterized in that: said axial flow blower group is arranged at a side of said Door of communication apparatus cabinet.
6. heat dissipating device of transformer according to claim 1 is characterized in that: also comprise the second axial flow blower group, be arranged at a side and the relative position of said low pressure winding at said rack back door.
7. heat dissipating device of transformer according to claim 6 is characterized in that: also comprise the many groups axial flow blower group that is arranged at said low pressure winding relative position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102786096A CN102768894A (en) | 2012-08-07 | 2012-08-07 | Heat dissipating device for transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102786096A CN102768894A (en) | 2012-08-07 | 2012-08-07 | Heat dissipating device for transformer |
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| Publication Number | Publication Date |
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| CN102768894A true CN102768894A (en) | 2012-11-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012102786096A Pending CN102768894A (en) | 2012-08-07 | 2012-08-07 | Heat dissipating device for transformer |
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| CN (1) | CN102768894A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102962545A (en) * | 2012-12-13 | 2013-03-13 | 吴忠市黄河电焊机有限公司 | BX3 alternating-current arc welding machine with movable air cooling structure |
| CN105118613A (en) * | 2015-08-28 | 2015-12-02 | 洛阳中重自动化工程有限责任公司 | High-power explosion-proof type filter reactor box and heat dissipation method |
| CN109102990A (en) * | 2018-07-14 | 2018-12-28 | 柏焕玉 | A kind of tranformer protection type radiator |
| CN112820494A (en) * | 2019-11-18 | 2021-05-18 | 株洲中车时代电气股份有限公司 | Transformer cabinet with heat dissipation function |
| CN113096934A (en) * | 2021-04-06 | 2021-07-09 | 阳光电源股份有限公司 | Fill electric pile and magnetic component thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0757940A (en) * | 1993-08-18 | 1995-03-03 | Toshiba Corp | Air-cooled dry transformer |
| JP2009076825A (en) * | 2007-09-25 | 2009-04-09 | Toshiba Mitsubishi-Electric Industrial System Corp | Transformer board |
| CN201331997Y (en) * | 2009-01-05 | 2009-10-21 | 北京新华都特种变压器有限公司 | Transformer heat dissipating device |
| CN201331996Y (en) * | 2009-01-05 | 2009-10-21 | 北京新华都特种变压器有限公司 | Transformer heat dissipating device |
| CN202352463U (en) * | 2011-12-02 | 2012-07-25 | 上海电器科学研究院 | Heat pipe heat conducting dry type three-phase power transformer |
-
2012
- 2012-08-07 CN CN2012102786096A patent/CN102768894A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0757940A (en) * | 1993-08-18 | 1995-03-03 | Toshiba Corp | Air-cooled dry transformer |
| JP2009076825A (en) * | 2007-09-25 | 2009-04-09 | Toshiba Mitsubishi-Electric Industrial System Corp | Transformer board |
| CN201331997Y (en) * | 2009-01-05 | 2009-10-21 | 北京新华都特种变压器有限公司 | Transformer heat dissipating device |
| CN201331996Y (en) * | 2009-01-05 | 2009-10-21 | 北京新华都特种变压器有限公司 | Transformer heat dissipating device |
| CN202352463U (en) * | 2011-12-02 | 2012-07-25 | 上海电器科学研究院 | Heat pipe heat conducting dry type three-phase power transformer |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102962545A (en) * | 2012-12-13 | 2013-03-13 | 吴忠市黄河电焊机有限公司 | BX3 alternating-current arc welding machine with movable air cooling structure |
| CN102962545B (en) * | 2012-12-13 | 2015-09-09 | 吴忠市黄河电焊机有限公司 | There is the BX3 ac arc wedling machine of mobile air-cooled structure |
| CN105118613A (en) * | 2015-08-28 | 2015-12-02 | 洛阳中重自动化工程有限责任公司 | High-power explosion-proof type filter reactor box and heat dissipation method |
| CN109102990A (en) * | 2018-07-14 | 2018-12-28 | 柏焕玉 | A kind of tranformer protection type radiator |
| CN112820494A (en) * | 2019-11-18 | 2021-05-18 | 株洲中车时代电气股份有限公司 | Transformer cabinet with heat dissipation function |
| CN113096934A (en) * | 2021-04-06 | 2021-07-09 | 阳光电源股份有限公司 | Fill electric pile and magnetic component thereof |
| CN113096934B (en) * | 2021-04-06 | 2022-09-13 | 阳光电源股份有限公司 | Fill electric pile and magnetic component thereof |
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Application publication date: 20121107 |