CN2482194Y

CN2482194Y - Superconduction transformer

Info

Publication number: CN2482194Y
Application number: CN 01226408
Authority: CN
Inventors: 赵强
Original assignee: Individual
Current assignee: Individual
Priority date: 2001-06-04
Filing date: 2001-06-04
Publication date: 2002-03-13
Anticipated expiration: 2011-06-04

Abstract

The utility model relates to a superconducting voltage transformer, which comprises a sealed casing and a magnetic core winding fixed in the casing. An insulating frame is arranged on the magnetic core of the magnetic core winding, an elementary winding and a secondary winding are wound on the insulating frame. The utility model is characterized in that the magnetic core is made of function composite material; the elementary winding and the secondary winding are wound through a superconducting wire, a low temperature insulating layer is arranged among each layer, and between the elementary winding and the secondary winding; the sealed casing is made of composite structure material, a connecting terminal group is arranged on the sealed casing; the extension line of each winding group is connected to the connecting terminal group arranged on the sealed casing through an insulating guide tube. The utility model is characterized in that the efficiency is high, the loss is extremely low, and the volume is suitable.

Description

Superconducting transformer

A kind of transformer of the utility model generic, particularly a kind of superconducting transformer.

Along with the development of superconductor technology, relate to the industry-by-industry of electricity, will face a deepgoing revolution as many industries such as electric power, electronics, information, volume is little, in light weight, low-loss has become possibility.As the transformer that electrical transmission or voltage transformation are used, adopt its meaning of superconductor technology more great.

The purpose of this utility model promptly is to provide a kind of extremely low-loss superconducting transformer.

Above-mentioned purpose of the present utility model is realized by following technical scheme.

A kind of superconducting transformer, comprise: a plurality of frameworks are arranged in can and the shell and be fixed in shell interior one and an above magnetic core winding, this magnetic core winding is to be provided with Insulating frame in magnetic core, is wound with primary and secondary winding on Insulating frame, and this winding is many windings; It is characterized in that: this magnetic core is the functional material composite construction magnetic core that adopts functional composite material to make; This primary and secondary winding is to form with the superconducting line coiling, is provided with the low-temperature insulation layer between each layer and between primary and secondary; The sealing shell is made by sandwich; Which is provided with superconduction binding post group, this superconduction binding post group is by crimping power connection end, soldering power connection end, liquid-solid two-phase soaks electrical connection terminal group altogether under the refrigeration, wherein, to soak power connection end altogether be to be connected with superconductor with conductive liquid by multilayer phase insulation multi beam phase insulation electric conductor to liquid-solid two-phase under the refrigeration, is dipped in altogether and is furnished with in the closed container that charges and discharge valve, and the lead-out wire of each winding is to be connected to the superconduction binding post group of being located on the can by the insulation guide pipe; Superconducting transformer has the magnetic core part of winding, is the environment that places shell to include to be soaked with refrigerant.Except that above-mentioned essential features, in specific implementation process, also can replenish following technology contents:

Be somebody's turn to do the can of making by sandwich, comprise housing and loam cake; Use bolted between housing and the loam cake, its faying face is provided with indium or gold or sealing ring silver-colored or that low temperature resistant flexible material is made.

Framework in the housing is that the Insulating frame that contains more than on the magnetic core is more than one, can add screen in the frame material.

This primary and secondary winding is that mutual layering replaces lap wound in dividing into groups lap wound in being listed on the different insulative framework on the same framework or by the primary and secondary grouping on the same framework or by primary and secondary.

The outer surface of the superconducting line of this this primary and secondary winding adheres to insulation and transfers the shape tunic.

Be provided with support frame between magnetic core winding and the can, magnetic core winding is positioned in the support frame by positioning regulator (as spring), and support frame is fixed in the can.

On can, also be provided with cold-producing medium and charge and discharge valve, thermal detector, liquid level detector, interior pressure detector, adjustable heat transfer device, maintenance valve gap, explosion-proof apparatus, tap hole, interior environment adjuster, binding post group, earth terminal and holding frame, upper and lower casing vacuum pumping valve, observer.

The sandwich of the can of making is divided into four layers from outside to inside: its outermost layer is a high-quality steel layer, the 3rd layer is low-temperature steel layer (as the nitrogen steel), for being filled with the vacuum heat-insulating layer of pearlife or polyamine fat blowing agent, innermost layer is the composite layer (can add screen in this composite material) of polytetrafluoroethylene or polyether-ether-ketone between high-quality steel layer and the low-temperature steel layer.

The device of pulling together also is housed in the can.

The shell inner structure can form a plurality of strings and connection, also can use separately.

Advantage of the present utility model is: the superconducting transformer that is provided has the advantage that efficient height, loss are extremely low, volume is suitable.

For concrete structure of the present utility model, feature and function thereof are had further understanding, enumerate embodiment now and be described with reference to the accompanying drawings as follows:

Description of drawings:

Fig. 1 is loam cake of the present utility model and shell structure schematic diagram.

Fig. 2 is a transformer arrangement structural representation in the shell of the present utility model.

As shown in the figure, a kind of superconducting transformer provided by the utility model comprises: can 1 and be fixed in magnetic core winding 2 in the shell, and this magnetic core winding 2 is to be provided with Insulating frame 22 in magnetic core 21, is wound with primary and secondary winding 23 on Insulating frame 22; Be characterized in: this magnetic core 21 is the functional material composite construction magnetic cores (containing superconducting magnet) that adopt functional composite material to make; This primary and secondary winding 23 is to form with the superconducting line coiling, and the outer surface of this superconducting line is attached with insulation and transfers the shape tunic.Be provided with the low-temperature insulation layer between each layer and between primary and secondary; Sealing shell 1 is made by sandwich, which is provided with binding post group 3; The lead-out wire of each winding is to draw by insulation guide pipe 4 to be connected to the binding post group of being located on the can 13.The effect of insulation guide pipe 4 is protection superconducting lines, and existing superconductor fragility is easily broken greatly.

Be somebody's turn to do the can of making by sandwich 1, comprise housing 11 and loam cake 12; With bolted 13, its faying face is provided with indium or gold or sealing ring 14 and pressing groove 33 silver-colored or that low temperature resistant flexible material is made, to prevent freezing medium leakage between housing 11 and the loam cake 12.

Insulating frame 22 on the magnetic core is more than one.This primary and secondary winding 22 is to carry out lap wound by distinct methods as required, it is (promptly elementary around one deck on same framework to be that mutual layering replaces lap wound, again around a hierarchical level, elementary around one deck again,), also can be by primary and secondary grouping lap wound on same framework (earlier around one group secondary (or elementary), again around elementary (or secondary)) or be listed on the different insulative framework by the primary and secondary grouping.

Can be provided with support frame 5 between magnetic core winding 2 and the can 1, magnetic core winding 2 is positioned in the support frame 5 by positioning regulator 6, and support frame 5 is fixed in the can 1.

On can 1, also be provided with cold-producing medium and charge and discharge valve 7, thermal detector 8, liquid level detector 9, interior pressure detector 10, adjustable heat transfer device 15, maintenance valve gap 16, explosion-proof apparatus 17, tap hole 18, interior environment adjuster 19, earth terminal 20, holding frame 24, housing vacuum pumping valve 25, loam cake vacuum pumping valve 26, clamper ply-yarn drill 27, special observer 28, housing adjustable support leg 29, screen 30.

The sandwich of the can of making 1 is divided into four layers from outside to inside: its outermost layer is a high-quality steel layer, the 3rd layer is low-temperature steel layer (as the nitrogen steel), for being filled with the vacuum heat-insulating layer of pearlife or polyamine fat blowing agent, innermost layer is the reinforced composite layer (this layer can add screen) of polytetrafluoroethylene or polyether-ether-ketone between high-quality steel layer and the low-temperature steel layer.Outer and the low-temperature steel internal layer of high-quality steel is for guaranteeing that shell has higher-strength, to bear the high pressure that refrigerants vaporize produces; And stand low temperature, prevent the generation of low-temperature brittle fracture.Middle filling pearlife or polyamine fat blowing agent, and vacuumize, constitute heat insulation layer, guarantee inside and outside adiabatic.

Also the device of pulling together can be housed in the can.The so-called device of pulling together is for adapting to the various electronic devices of various difference in functionality needs, as in the marker space 31 that has introducing, outlet 32, can add the device of pulling together, can forming a plurality of connection in series-parallel as transformer in Fig. 2 and also can singlely use.

The structure of superconducting transformer provided by the utility model not only is implemented on transformer, and every device with magnetic core coil all can adopt as filter, instrument transformer etc.

Claims

1, a kind of superconducting transformer, comprise: a plurality of frameworks are arranged in can and the shell and be fixed in shell interior one and an above magnetic core winding, this magnetic core winding is to be provided with Insulating frame in magnetic core, is wound with primary and secondary winding on Insulating frame, and this winding is many windings; It is characterized in that: this magnetic core is the functional material composite construction magnetic core that adopts functional composite material to make; This primary and secondary winding is to form with the superconducting line coiling, is provided with the low-temperature insulation layer between each layer and between primary and secondary; The sealing shell is made by sandwich; Which is provided with superconduction binding post group, this superconduction binding post group is by crimping power connection end, soldering power connection end, liquid-solid two-phase soaks electrical connection terminal group altogether under the refrigeration, wherein, to soak power connection end altogether be to be connected with superconductor with conductive liquid by multilayer phase insulation multi beam phase insulation electric conductor to liquid-solid two-phase under the refrigeration, is dipped in altogether and is furnished with in the closed container that charges and discharge valve, and the lead-out wire of each winding is to be connected to the superconduction binding post group of being located on the can by the insulation guide pipe; Superconducting transformer has the magnetic core part of winding, is the environment that places shell to include to be soaked with refrigerant.

2, according to the said superconducting transformer of claim 1, it is characterized in that: be somebody's turn to do the can of being made by sandwich, comprise housing and loam cake, the shell inner chamber is single district or multi-region; Use bolted between housing and the loam cake, its faying face is provided with indium or gold or sealing ring silver-colored or that other low temperature resistant flexible material is made, and sealing ring is to place pressing groove.

3, according to the said superconducting transformer of claim 1, it is characterized in that: the shell inner frame is that the Insulating frame that contains more than on the magnetic core is more than one, and frame material is a composite material.

4, according to the said superconducting transformer of claim 1, it is characterized in that: this primary and secondary winding is that mutual layering replaces lap wound in dividing into groups lap wound in being listed on the different insulative framework on the same framework or by the primary and secondary grouping on the same framework or by primary and secondary.

5, according to the said superconducting transformer of claim 1, it is characterized in that: the outer surface of the superconducting line of this this primary and secondary winding adheres to insulation and transfers the shape tunic, reaches for the first time to add screen and partly shielding effect layer between winding.

6, according to the said superconducting transformer of claim 1, it is characterized in that: be provided with support frame between magnetic core winding and the can, magnetic core winding is positioned in the support frame by positioning regulator, and support frame is fixed in the can.

7, according to the said superconducting transformer of claim 1, it is characterized in that: on can, also be provided with cold-producing medium and charge and discharge valve, thermal detector, liquid level detector, interior pressure detector, adjustable heat transfer device, maintenance valve gap, explosion-proof apparatus, tap hole, interior environment adjuster, binding post group, earth terminal and holding frame, upper and lower casing vacuum pumping valve, observer.

8, according to the said superconducting transformer of claim 1, it is characterized in that: the sandwich of the can of making is divided into four layers from outside to inside: its outermost layer is a high-quality steel layer, the 3rd layer is the low-temperature steel layer, it between high-quality steel layer and the low-temperature steel layer vacuum heat-insulating layer that is filled with pearlife or polyamine fat blowing agent, innermost layer is the reinforced composite layer of polytetrafluoroethylene or polyether-ether-ketone, and this composite material can add screen.

9, according to the said superconducting transformer of claim 1, it is characterized in that: the device of pulling together also is housed in the can, filter normal, the co-mode coil part is similar with mutual inductor coil part-structure and this transformer device structure.

10, according to the said superconducting transformer of claim 1, it is characterized in that: the shell inner structure can form a plurality of strings and connection, also can use separately.