CN205318997U - Pressure regulating distribution transformer that broad width is wireless - Google Patents
Pressure regulating distribution transformer that broad width is wireless Download PDFInfo
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- CN205318997U CN205318997U CN201521111470.1U CN201521111470U CN205318997U CN 205318997 U CN205318997 U CN 205318997U CN 201521111470 U CN201521111470 U CN 201521111470U CN 205318997 U CN205318997 U CN 205318997U
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Abstract
The utility model discloses a pressure regulating distribution transformer that broad width is wireless, including high -pressure coil, low voltage coil and magnetic core, the high -pressure coil surface taken 7 taps out, low voltage coil one end be equipped with multi turn coil, high -pressure coil and low voltage coil all include: nexine winding and external -layer winding, isolation parts, isolation parts sets up between nexine winding and the external -layer winding, the support component, the support component sets up isolation parts with between the nexine winding, and/or between isolation parts and the external -layer winding, the passageway has between nexine winding and the external -layer winding, fluid medium, fluid medium fills in the passageway. The utility model has the advantages of heat dispersion is good, the application is wide.
Description
Technical field
The utility model relates to voltage transformer, particularly relates to the wireless pressure regulation substation transformer of wide cut of a kind of heat dispersion excellence.
Background technology
Power transformer is one of major equipment of power station and electric substation. The effect of transformer is many-sided, can not only raise voltage and electric energy is delivered to electricity consumption area, moreover it is possible to voltage is reduced to use voltage at different levels, to meet the needs of electricity consumption.
Common power transformer major part is oil immersed type. Iron core and winding all soak and are filling with among the fuel tank of transformer oil, and the end points of each winding causes the outside of fuel tank by insulation thimble, so as with outer connection. Fig. 1 schematically illustrates the basic mechanism figure of power transformer of the prior art, and as shown in Figure 1, in oil-immersed power transformer, nexine winding 21 and outer winding 11 are closely close, and the heat that winding produces is taken away by the peripheral transformer oil of whole winding. Such power transformer has many deficiencies, as:
1. common S7 type transformer and S9 type transformer, can not adapt to different range of regulation in use, it is achieved this wireless pressure regulation of transformer wide cut, is the problem that prior art needs to solve;
2. heat dispersion is poor, and together, transformer oil is difficult to take away these heats fast the heat accumulation that winding produces, and the accidents such as transformer burns easily occurs, it is difficult to be applied in high-power transformer;
3. volume is big, it is necessary to make winding be immersed in transformer oil, in order to obtain better radiating effect, it is necessary to relatively large container could hold.
Practical novel content
The technical problem that the utility model solves overcomes the above-mentioned defect that prior art exists, it is provided that the wide cut that a kind of loss is low, heat dispersion is excellent, safe is wireless pressure regulation substation transformer, it is achieved that the wide cut of different range of regulation is wireless pressure regulation substation transformer.
The purpose of this utility model is achieved through the following technical solutions:
A kind of wireless pressure regulation substation transformer of wide cut, comprises high tension coil, low-tension coil and magnetic core;
Described high tension coil surface is extracted out 7 taps, and described low-tension coil one end is provided with multiturn coil;
Described high tension coil and low-tension coil include:
Nexine winding and outer winding;
Isolation parts, described isolation parts are arranged between described nexine winding and outer winding;
Support component, described support component is arranged between described isolation parts and described nexine winding, and/or between isolation parts and outer winding, has passage between described nexine winding and outer winding;
Fluid medium, described fluid medium fills in described passage.
According to the wireless pressure regulation substation transformer of above-mentioned wide cut, it may be preferred that the described coil turn shared by 7 taps accounts for 2.5%, 5%, 7.5%, 10%, 12.5% and the 15% of the total number of turn of high tension coil successively respectively.
According to the wireless pressure regulation substation transformer of above-mentioned wide cut, it may be preferred that described nexine winding and outer winding are oval tubular.
According to the wireless pressure regulation substation transformer of above-mentioned wide cut, it may be preferred that described isolation parts are that corrugated is wavy or step-like.
According to the wireless pressure regulation substation transformer of above-mentioned wide cut, preferably, described nexine winding and/or outer winding are divided into radius-of-curvature larger portion to divide and smaller portions, and described support component is arranged on the described outer inner side of curvature smaller portions of winding and/or the outside of the curvature smaller portions of nexine winding.
According to the wireless pressure regulation substation transformer of above-mentioned wide cut, it may be preferred that described passage is in described nexine winding and/or the axis of outer winding.
Compared with prior art, the utility model has following useful effect:
1. can adapt to different range of regulation, it is achieved this wireless pressure regulation of transformer wide cut;
2. the beading of transformer greatly reduces, and has saved starting material;
3. good heat dissipation effect. Passage is set between nexine winding and outer winding so that fluid takes away the heat that winding produces fast, in time so that power transformer is safe and reliable, it is possible to be applied in high-power transformer;
4. volume is little, arranges passage between winding, although increasing the spacing between winding, but without the need to being immersed in relatively large container by winding, can reduce the volume of power transformer.
Accompanying drawing explanation
With reference to accompanying drawing, disclosure of the present utility model will become to be more readily understood. Those skilled in the art it is easily understood that: these accompanying drawings are only for illustrating the technical solution of the utility model, and and are not intended to be construed as limiting by protection domain of the present utility model. In figure:
Fig. 1 is the basic block diagram of a kind of power transformer of the prior art;
Fig. 2 is the basic block diagram of the transformer of the utility model embodiment 1;
Fig. 3 is the structure iron of the coil of the utility model embodiment 1;
Fig. 4 is the vertical view of the transformer of the utility model embodiment 1;
Fig. 5 is the basic block diagram of the transformer of the utility model embodiment 2.
Embodiment
Fig. 2-5 and following description describe optional enforcement mode of the present utility model to instruct how those skilled in the art implement and reproduce the utility model. In order to instruct technical solutions of the utility model, simplify or eliminated some conventional aspects. Those skilled in the art should understand that the modification being derived from these enforcement modes or replace will in scope of the present utility model. Those skilled in the art should understand that following characteristics can combine in various mode to form multiple modification of the present utility model. Thus, the utility model is not limited to following optional enforcement mode, and only limits by claim and their jljl such as grade.
Embodiment 1:
Fig. 2 schematically illustrates the basic block diagram of the wireless pressure regulation substation transformer of wide cut of the utility model embodiment, and as shown in Figure 2, described wide cut is wireless, and pressure regulation substation transformer comprises:
High tension coil 1, low-tension coil 2 and magnetic core, high tension coil 1 surface is extracted out 7 taps 3, and described low-tension coil 2 one end is provided with multiturn coil, and namely the number of turn of the general transformer of low-tension coil 2 turn ratio is many, as shown in Figure 3;
Coil turn shared by 7 taps 3 accounts for 2.5%, 5%, 7.5%, 10%, 12.5% and the 15% of the total number of turn of high tension coil successively respectively. Facilitate pressure regulation, it is possible to adapt to different range of regulation, increase parts and comprise fuel tank, wide cut No-load changer switch, it is achieved this wireless pressure regulation of transformer wide cut;
Described high tension coil and low-tension coil include:
Nexine winding 21 and outer winding 11, described nexine winding 21 and outer winding 11 are the state of the art, do not repeat them here. Preferably, described nexine winding and the oval tubular of outer winding shape, naturally it is also possible to be other shape, such as cylinder shape etc.
Isolation parts, Fig. 4 schematically illustrates isolation parts and the strut member basic block diagram of the utility model embodiment, and as shown in Figure 4, described isolation parts 31 are arranged between described nexine winding 21 and outer winding 11; Described isolation parts can adopt insulation (such as filamentary material) or non-insulating material, it is preferable to insulating material.
Support component 32, described support component 32 is arranged between described isolation parts 31 and described nexine winding 21, and/or between isolation parts 31 and outer winding 11, for supporting described isolation parts 31, so that there is passage 41 between described nexine winding 31 and outer winding 11. In order to form passage better, it may be preferred that described isolation parts are that corrugated is wavy or step-like or other shape; Described passage is in described nexine winding and/or the axis of outer winding.
Fluid medium, described fluid medium fills in described passage, thus takes away the heat that winding produces fast, in time. Can selection of land, described fluid medium adopt good heat conductivity transformer oil.
Embodiment 2:
The application examples of the transformer according to embodiment 1, in this application examples, as shown in Figure 5, described isolation parts 31 adopt paper material, have corrugated, and arrange strut member 32 at described bending part, and described strut member 32 also adopts paper material. The production method of described isolation parts is: smooth cardboard is by bending press, thus obtains the papery part of corrugated. Described nexine winding 21 and outer winding 11 are in oval tubular, it is divided into radius-of-curvature larger portion to divide and smaller portions, in radius-of-curvature smaller portions, the pressure that described isolation parts bear is bigger, therefore at support component 32 described in the described outer inner side of radius-of-curvature smaller portions of winding 11 and the arranged outside of the radius-of-curvature smaller portions of nexine winding 21, so that forming fluid channel 41 along the axis of described internal layer and outer winding, the oil being filled with in fluid channel 41 is utilized to remove a large amount of heats taking away winding generation better.
Embodiment 3:
The application examples of the transformer according to embodiment 1, in this application examples, described isolation parts adopt paper material, have wavy, and arrange strut member at described interior bending part, and described strut member also adopts paper material. Described nexine winding and outer winding are in oval tubular, it is divided into radius-of-curvature larger portion to divide and smaller portions, in radius-of-curvature smaller portions, the pressure that described isolation parts bear is bigger, therefore at support component described in the described outer inner side of radius-of-curvature smaller portions of winding and the arranged outside of the radius-of-curvature smaller portions of nexine winding, so that forming fluid channel along the axis of described internal layer and outer winding.
Above-described embodiment is only exemplarily give the isolation shape that parts adopt, and can also be other shape certainly, as step-like;Nexine winding and outer winding can also adopt other shapes such as cylinder shape; Isolation parts and support component can also adopt other material, such as insulating plastics.
Claims (6)
1. the wireless pressure regulation substation transformer of wide cut, comprises high tension coil, low-tension coil and magnetic core; It is characterized in that:
Described high tension coil surface is extracted out 7 taps, and described low-tension coil one end is provided with multiturn coil;
Described high tension coil and low-tension coil include:
Nexine winding and outer winding;
Isolation parts, described isolation parts are arranged between described nexine winding and outer winding;
Support component, described support component is arranged between described isolation parts and described nexine winding, and/or between isolation parts and outer winding, has passage between described nexine winding and outer winding;
Fluid medium, described fluid medium fills in described passage.
2. the wireless pressure regulation substation transformer of wide cut according to claim 1, it is characterised in that: the described coil turn shared by 7 taps accounts for 2.5%, 5%, 7.5%, 10%, 12.5% and the 15% of the total number of turn of high tension coil successively respectively.
3. the wireless pressure regulation substation transformer of wide cut according to claim 1, it is characterised in that: described nexine winding and outer winding are oval tubular.
4. the wireless pressure regulation substation transformer of wide cut according to claim 1, it is characterised in that: described isolation parts are that corrugated is wavy or step-like.
5. the wireless pressure regulation substation transformer of wide cut according to claim 1, it is characterized in that: described nexine winding and/or outer winding are divided into radius-of-curvature larger portion to divide and smaller portions, described support component is arranged on the described outer inner side of radius-of-curvature smaller portions of winding and/or the outside of the radius-of-curvature smaller portions of nexine winding.
6. the wireless pressure regulation substation transformer of wide cut according to claim 1, it is characterised in that: described passage is in described nexine winding and/or the axis of outer winding.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201521111470.1U CN205318997U (en) | 2015-12-26 | 2015-12-26 | Pressure regulating distribution transformer that broad width is wireless |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201521111470.1U CN205318997U (en) | 2015-12-26 | 2015-12-26 | Pressure regulating distribution transformer that broad width is wireless |
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CN205318997U true CN205318997U (en) | 2016-06-15 |
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CN201521111470.1U Active CN205318997U (en) | 2015-12-26 | 2015-12-26 | Pressure regulating distribution transformer that broad width is wireless |
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2015
- 2015-12-26 CN CN201521111470.1U patent/CN205318997U/en active Active
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