CN201741548U - Transformer sleeve - Google Patents
Transformer sleeve Download PDFInfo
- Publication number
- CN201741548U CN201741548U CN2010202756538U CN201020275653U CN201741548U CN 201741548 U CN201741548 U CN 201741548U CN 2010202756538 U CN2010202756538 U CN 2010202756538U CN 201020275653 U CN201020275653 U CN 201020275653U CN 201741548 U CN201741548 U CN 201741548U
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- transformer
- bushing shell
- insulator
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Abstract
The utility model aims at providing a transformer sleeve which comprises an insulating part consisting of an upper ceramic sleeve and a lower ceramic sleeve. The upper ceramic sleeve and the lower ceramic sleeve are connected in series by a conductive rod and arranged on a cover of a transformer box, and the lower end of the conductive rod is connected with an outgoing line. The upper ceramic sleeve and the lower ceramic sleeve are connected in series on the transformer box cover by the conductive rod, and the lower end of the conductive rod is connected with the outgoing line, therefore, the transformer sleeve has good electric performance and adequate mechanical strength, guarantees long-term normal operation of the transformer, is applicable to distribution power grids with voltage equal to or lower than 20 kilovolts, has simple structure, is extremely practical, and achieves the purpose of the utility model.
Description
Technical field
The utility model relates to a kind of bushing shell for transformer, particularly a kind of bushing shell for transformer of the coupling component as transformer coil and outside line.
Background technology
Bushing shell for transformer is the coupling component of a kind of transformer high-voltage coil, low-voltage coil and outside line; The electric pressure of bushing shell for transformer and operating current are the coil rating voltage and current values that is decided by transformer; Simultaneously, the structure of bushing shell for transformer should have good electric property and enough mechanical strengths, guarantees the long-term normal operation of transformer.
But along with China's rapid economy development, the power industry construction has obtained very big achievement, and rural area, particularly current vast cities and towns is being carried out the newly-built of extensive distrbution network and transformed.Basically all adopt the 10KV distribution at present in China distrbution network system as main distribution voltage, though adopting the distrbution network of 10KV to have better economic is worth and operating characteristic, but also have following point as main distribution voltage in the distrbution network with 10KV: the one, capacitance is less, the radius of electricity supply scope is less, and centrally connected power supply is indifferent; The 2nd, voltage loss and power loss are higher, and line loss reaches more than 6%, and the voltage level is more, and the land seizure area is big, and the 3rd, along with increasing the distrbution network construction cost, charge density can raise; Be that the antifouling grade of distrbution network is not high again, environmental performance is poor, can reduce the voltage compressive resistance when using in areas such as relatively poor outlying, the borderland of environmental condition, plateaus, causes short circuit and breakdown.At the problem of above-mentioned employing 10KV as main voltage existence in the distrbution network, how rationally to use the energy, reduce energy loss, energy savings is for an energy resource consumption big country, and energy developing country in short supply relatively again is vital, and it is related to the people's livelihood matter of fundamental importance of country.For this reason according to country's " 11th Five-Year " planning outline and energy-saving and emission-reduction policy, national grid had been assigned " about carrying out the notice that the 20KV electric pressure is used for distrbution network " in 2007, and the 20KV distribution voltage has become the focus of power department and the concern of power equipment manufacturing sector.
Therefore, need a kind of bushing shell for transformer especially, solved the problem of above-mentioned existing existence.
The utility model content
The purpose of this utility model is to provide a kind of bushing shell for transformer, at the deficiencies in the prior art, is applicable in the distrbution network of 20KV and following electric pressure, and is simple in structure, very practical.
The technical problem that the utility model solved can realize by the following technical solutions:
A kind of bushing shell for transformer is characterized in that, it comprises the insulated part that insulator and play insulator constitute, described go up between insulator and the following insulator to connect mutually and to be arranged on transformer tank by conducting rod cover the lower end connection outlet of described conducting rod.
In an embodiment of the present utility model, the upper end of described bushing shell for transformer is provided with a holddown groove.
In an embodiment of the present utility model, the lower end of described bushing shell for transformer is provided with a holddown groove.
In an embodiment of the present utility model, described go up to be provided with between insulator and the following insulator be used for described bushing shell for transformer is fixed to the fixed station that transformer tank covers.
Further, described fixed station is by a casting die be welded on the screw rod that transformer tank covers and constitute.
Bushing shell for transformer of the present utility model, to go up insulator and following insulator by conducting rod is connected on transformer tank and covers, the lower end of conducting rod connects outlet, have good electric property and enough mechanical strengths, guarantee the long-term normal operation of transformer, be applicable to the distrbution network of 20KV and following electric pressure, simple in structure, very practical, realize the purpose of this utility model.
Characteristics of the present utility model can be consulted the detailed description of the graphic and following better execution mode of this case and be obtained to be well understood to.
Description of drawings
Fig. 1 is the structural representation of bushing shell for transformer of the present utility model;
Fig. 2 is the structural representation of a kind of bushing shell for transformer of the present utility model;
Fig. 3 is the structural representation of another kind of bushing shell for transformer of the present utility model;
Fig. 4 is the structural representation of another bushing shell for transformer of the present utility model.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
As shown in Figure 1, bushing shell for transformer 100 of the present utility model, it comprises the insulated part that insulator 110 and play insulator 120 constitute, and connects mutually by conducting rod 130 between last insulator 110 and the following insulator 120 and is arranged on the transformer case lid 200 the connection outlet of the lower end of conducting rod 130; The size of the diameter of conducting rod 130 and bushing shell for transformer of the present utility model 100 changes with the rated current of distrbution network.
As shown in Figure 2, bushing shell for transformer 100, it comprises the insulated part that insulator 110 and play insulator 120 constitute, and connects mutually by conducting rod 130 between last insulator 110 and the following insulator 120 and is arranged on the transformer case lid 200 the connection outlet of the lower end of conducting rod 130; The size of the diameter of conducting rod 130 and bushing shell for transformer of the present utility model 100 changes with the rated current of distrbution network.
With bushing shell for transformer 100 different being among Fig. 1, the upper end of bushing shell for transformer 100 is provided with a holddown groove 140, is used for fixing cable; Be provided with fixed station 150 between last insulator 110 and the following insulator 120, fixed station 150 is made of a casting die 151 and the screw rod 152 that is welded on the transformer case lid 200, and fixed station 150 is used for bushing shell for transformer 100 is fixed to transformer case lid 200.
As shown in Figure 3, bushing shell for transformer 100, it comprises the insulated part that insulator 110 and play insulator 120 constitute, and connects mutually by conducting rod 130 between last insulator 110 and the following insulator 120 and is arranged on the transformer case lid 200 the connection outlet of the lower end of conducting rod 130; The size of the diameter of conducting rod 130 and bushing shell for transformer of the present utility model 100 changes with the rated current of distrbution network.
With bushing shell for transformer 100 different being among Fig. 1, the upper end of bushing shell for transformer 100 is provided with a holddown groove 140, and the lower end of bushing shell for transformer 100 is provided with a holddown groove 160, is used for fixing cable; Be provided with fixed station 150 between last insulator 110 and the following insulator 120, fixed station 150 is made of a casting die 151 and the screw rod 152 that is welded on the transformer case lid 200, and fixed station 150 is used for bushing shell for transformer 100 is fixed to transformer case lid 200.
As shown in Figure 4, bushing shell for transformer 100, it comprises the insulated part that insulator 110 and play insulator 120 constitute, and connects mutually by conducting rod 130 between last insulator 110 and the following insulator 120 and is arranged on the transformer case lid 200 the connection outlet of the lower end of conducting rod 130; The size of the diameter of conducting rod 130 and bushing shell for transformer of the present utility model 100 changes with the rated current of distrbution network.
With bushing shell for transformer 100 different being among Fig. 1, following insulator 120 is the short-tail insulator, and the upper end of bushing shell for transformer 100 is provided with a holddown groove 140, and the lower end of bushing shell for transformer 100 is provided with a holddown groove 160, is used for fixing cable; Be provided with fixed station 150 between last insulator 110 and the following insulator 120, fixed station 150 is made of a casting die 151 and the screw rod 152 that is welded on the transformer case lid 200, and fixed station 150 is used for bushing shell for transformer 100 is fixed to transformer case lid 200.
More than show and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications; these changes and improvements all fall in claimed the utility model scope, and the claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (5)
1. a bushing shell for transformer is characterized in that, it comprises the insulated part that insulator and play insulator constitute, described go up between insulator and the following insulator to connect mutually and to be arranged on transformer tank by conducting rod cover the lower end connection outlet of described conducting rod.
2. bushing shell for transformer as claimed in claim 1 is characterized in that the upper end of described bushing shell for transformer is provided with a holddown groove.
3. bushing shell for transformer as claimed in claim 1 is characterized in that the lower end of described bushing shell for transformer is provided with a holddown groove.
4. bushing shell for transformer as claimed in claim 1 is characterized in that, is provided with between described upward insulator and the following insulator to be used for described bushing shell for transformer is fixed to the fixed station that transformer tank covers.
5. bushing shell for transformer as claimed in claim 4 is characterized in that, described fixed station is by a casting die and be welded on the screw rod that transformer tank covers and constitute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202756538U CN201741548U (en) | 2010-07-29 | 2010-07-29 | Transformer sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202756538U CN201741548U (en) | 2010-07-29 | 2010-07-29 | Transformer sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201741548U true CN201741548U (en) | 2011-02-09 |
Family
ID=43556826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202756538U Expired - Fee Related CN201741548U (en) | 2010-07-29 | 2010-07-29 | Transformer sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201741548U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102903490A (en) * | 2012-09-21 | 2013-01-30 | 沈阳全密封变压器股份有限公司 | Intelligent bushing |
-
2010
- 2010-07-29 CN CN2010202756538U patent/CN201741548U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102903490A (en) * | 2012-09-21 | 2013-01-30 | 沈阳全密封变压器股份有限公司 | Intelligent bushing |
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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: 20110209 Termination date: 20160729 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |