CN205452013U - Flame -proof type multivoltage unsteady flow is dry -type transformer and mobile substation for mobile substation - Google Patents
Flame -proof type multivoltage unsteady flow is dry -type transformer and mobile substation for mobile substation Download PDFInfo
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- CN205452013U CN205452013U CN201521135352.4U CN201521135352U CN205452013U CN 205452013 U CN205452013 U CN 205452013U CN 201521135352 U CN201521135352 U CN 201521135352U CN 205452013 U CN205452013 U CN 205452013U
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Abstract
The utility model relates to a flameproof mining mobile transformer substa tion technical field especially relates to flame -proof type multivoltage unsteady flow is dry -type transformer and mobile substation for mobile substation. Low voltage coil group, middling pressure coil assembly and high -pressure coil group have been set gradually from inside to outside through the iron core, the middling pressure coil assembly is by last middling pressure coil and lower middling pressure loop formation, be provided with first insulation group between low voltage coil group and the middling pressure coil assembly, be provided with the insulating group of second between middling pressure coil assembly and the high -pressure coil group, it is little to make the transformer occupy underworkings length, reduction in production cost.
Description
Technical field
This utility model relates to flameproof mining mobile transformer substation technical field, particularly relates to flame-proof type multivoltage unsteady flow mobile substation dry-type transformer and mobile substation.
Background technology
Flame-proof mine multivoltage unsteady flow mobile substation is made up of flame-proof mine multivoltage unsteady flow mobile substation dry-type transformer (hereinafter referred to as transformator) and flameproof mining mobile transformer substation high-low pressure integrated Switching (hereinafter referred to as switch);It is bolted by flange between transformator and switch;Switch is made up of high-pressure vacuum switch and low-voltage variation case, switchs in addition to having various protections, measurement and the data-transformation facility of conventional vacuum switch and low-voltage variation case, additionally it is possible to the process of each voltage uniform data, transmission and WIFI function simultaneously;Transformator be the principle utilizing electromagnetic induction to change the device of alternating voltage, main member is primary coil, secondary coil and iron core;When at present the voltage of 10KV is converted into the voltage of adjustable 1.2KV, a 0.693KV and two 1.905KV, this process needs to use to three flameproof mining mobile transformer substations, the most do not only take up underworkings length long, the compactest, and employ more flameproof mining mobile transformer substation, add production cost.
Utility model content
The purpose of this utility model is to provide that to take underworkings length little, reduces flame-proof type multivoltage unsteady flow mobile substation dry-type transformer and the mobile substation of production cost.
The technical solution of the utility model is as follows:
Flame-proof type multivoltage unsteady flow mobile substation dry-type transformer, including iron core, it is characterised in that iron core is disposed with low-voltage coil group, intermediate voltage winding group and high-tension coil group from inside to outside;Medium pressure coil groups is made up of upper intermediate voltage winding and lower intermediate voltage winding;It is provided with the first insulation group between described low-voltage coil group and intermediate voltage winding group, between intermediate voltage winding group and high-tension coil group, is provided with the second insulation group.
Have employed above-mentioned scheme so that while the voltage that the voltage that can reach 10KV is converted to adjustable 1.2KV, a 0.693KV and two 1.905KV, reduce and take underworkings length, reduce use space, and reduce production cost.
Described first insulation group is the first stay group.By arranging stay group, on the one hand separate low-voltage coil group and intermediate voltage winding group, play the effect of radiating insulating, on the other hand play low-voltage coil group and the supporting role of intermediate voltage winding group.
Described second insulation group includes being arranged on the second stay group outside intermediate voltage winding group, the screen layer outside the second stay group, the 3rd stay group outside screen layer, the layer of insulation board outside the 3rd stay group and the 4th stay group outside layer of insulation board;Described screen layer includes two-layer shielding insulation plate, and is arranged on the shielding line layer between two-layer shielding insulation plate.On the one hand separate intermediate voltage winding group and screen layer by arranging the second stay group, play the effect of radiating insulating, on the other hand play the supporting role to intermediate voltage winding group and screen layer;By arranging two-layer shielding insulation plate, on the one hand the insulating effect to intermediate voltage winding group Yu high-tension coil group is played, on the other hand owing to being provided with shielding line layer between two-layer shielding insulation plate, the overvoltage of transmission between intermediate voltage winding group and high-tension coil group therefore can effectively be shielded;On the one hand separate high-tension coil group and screen layer by arranging the 3rd stay group, play the effect of radiating insulating, on the other hand play the supporting role to high-tension coil group and screen layer;By arranging layer of insulation board, further function as the insulating effect to intermediate voltage winding group Yu high-tension coil group;On the one hand separate layer of insulation board and high-tension coil group by arranging the 4th stay group, play the effect of radiating insulating, on the other hand play layer of insulation board and the supporting role of high-tension coil group.
Connecting below described low-voltage coil group and have low-voltage lead, the intermediate voltage winding group upper and lower outside low-voltage coil is connected to middle voltage lead wires and lower middle voltage lead wires, and outermost high-tension coil group is connected above high-voltage connection;Described high-voltage connection and low-voltage lead are positioned at homonymy, upper and lower middle voltage lead wires be positioned at low-voltage lead back to side.Owing to described high-voltage connection and low-voltage lead are positioned at the same side, upper and lower middle voltage lead wires is positioned at opposite side, it is easy to high pressure, low pressure, upper middle pressure, the connection of lower middle voltage lead wires and draws, ensure that the space of lifting one's head of each coil, pulled open the distance between lead-in wire and lead-in wire simultaneously and ensure that the electrical distance of lead-in wire.
The 5th stay group it is provided with between medium pressure coil groups.By arranging the 5th stay group, on the one hand separate every layer of intermediate voltage winding layer, play the effect of heat radiation, on the other hand play the supporting role of intermediate voltage winding group.
It is provided with the 6th stay group between described high-tension coil group.On the one hand by arranging the 6th stay group between high-tension coil group, separate high-tension coil group, and play the effect of radiating insulating, on the other hand play the supporting role to high-tension coil group.
Triangle is connected between described upper intermediate voltage winding group and upper middle voltage lead wires;Star is connected between described lower intermediate voltage winding group and lower middle voltage lead wires.Owing to connecing for d between upper intermediate voltage winding group and upper middle voltage lead wires, and between lower intermediate voltage winding group and lower middle voltage lead wires, y connects, thus the output voltage realizing intermediate voltage winding group forms the phase contrast of 30 degree, can power to converter 12 Pulses Rectifier after output.
Described first, second, third, fourth, the five, the 6th stay groups all include the some stays around the distribution of core center axle.Using stay, low cost, support effect is high.
A kind of flame-proof type multivoltage unsteady flow mobile substation, it is characterised in that include high and low voltage switch and dry-type transformer;It is characterized in that, described dry-type transformer, including iron core, iron core is disposed with low-voltage coil group, intermediate voltage winding group and high-tension coil group from inside to outside;Medium pressure coil groups is made up of upper intermediate voltage winding and lower intermediate voltage winding;It is provided with the first insulation group between described low-voltage coil group and intermediate voltage winding group, between intermediate voltage winding group and high-tension coil group, is provided with the second insulation group;Described first insulation group is the first stay group;Described second insulation group includes being arranged on the second stay group outside intermediate voltage winding group, the screen layer outside the second stay group, the 3rd stay group outside screen layer, the layer of insulation board outside the 3rd stay group and the 4th stay group outside layer of insulation board;Described screen layer includes two-layer shielding insulation plate, and is arranged on the shielding line layer between two-layer shielding insulation plate;Connecting below described low-voltage coil group and have low-voltage lead, the intermediate voltage winding group upper and lower outside low-voltage coil is connected to middle voltage lead wires and lower middle voltage lead wires, and outermost high-tension coil group is connected above high-voltage connection;Described high-voltage connection and low-voltage lead are positioned at homonymy, upper and lower middle voltage lead wires be positioned at low-voltage lead back to side;Triangle is connected between described upper intermediate voltage winding group and upper middle voltage lead wires;Star is connected between described lower intermediate voltage winding group and lower middle voltage lead wires;Described first, second, third, fourth stay group all includes the some stays around the distribution of core center axle.
Have employed above-mentioned scheme, be greatly reduced mobile substation occupation of land length in mine;Application process has only to transport once in putting into mine, decrease the cost of transportation in transportation;And 1.2KV, 0.693KV and the voltage of two 1.905KV can be exported, it is possible to meet the equipment electricity consumption under mine;And realized each voltage protection and uniform data process, transmission, WIFI function by high and low voltage switch.
Accompanying drawing explanation
By detailed description below in conjunction with the accompanying drawings, aforesaid objects, features and advantages n with other of this utility model will become clear from.
Wherein: Fig. 1 is this utility model structural representation;
Fig. 2 is the structural representation that this utility model is overlooked;
Fig. 3 is the structural representation of this utility model the second insulation group;
In accompanying drawing, 1 is low-voltage coil group, and 2 is intermediate voltage winding group, 3 is high-tension coil group, and 4 is the first stay group, and 5 is the second stay group, 6 is the 3rd stay group, and 7 is upper intermediate voltage winding, and 8 is lower intermediate voltage winding, 9 is the 4th stay group, 10 is the 5th stay group, and 11 is the 6th stay group, and 12 is end circle, 13 is the first insulation group, 14 is the second insulation group, and 15 is stay, and 16 is shielding insulation plate, 17 is shielding line layer, 18 is layer of insulation board, and 19 is upper middle voltage lead wires, and 20 is lower middle voltage lead wires, 21 is low-voltage lead, and 22 is high-voltage connection.
Detailed description of the invention
Seeing shown in Fig. 1-Fig. 3, flame-proof type multivoltage unsteady flow mobile substation dry-type transformer, including iron core, iron core is disposed with low-voltage coil group 1, intermediate voltage winding group 2 and high-tension coil group 3 from inside to outside;Medium pressure coil groups is made up of upper intermediate voltage winding 7 and lower intermediate voltage winding 8;It is provided with the first insulation group between described low-voltage coil group and intermediate voltage winding group, between intermediate voltage winding group and high-tension coil group, is provided with the second insulation group.By arranging low-voltage coil group, intermediate voltage winding group and high-tension coil group, and intermediate voltage winding group all includes intermediate voltage winding and lower intermediate voltage winding, so that while the voltage that the voltage that can reach 10KV is converted to adjustable 1.2KV, a 0.693KV and two 1.905KV, reduce and take up an area length, reduce use space, and reduce production cost;Further use three groups of low-voltage coil groups, six groups of intermediate voltage winding groups and the design of three groups of high-tension coil groups, distribution can be made more reasonable, while ensureing voltage stabilization output, reduce occupation of land length.
Preferably, described first insulation group is the first stay group 4.By arranging stay group, on the one hand separate low-voltage coil group and intermediate voltage winding group, play the effect of radiating insulating, on the other hand play low-voltage coil group and the supporting role of intermediate voltage winding group.
Preferably, described second insulation group includes being arranged on the layer of insulation board 18 outside the screen layer outside second stay group the 5, second stay group outside intermediate voltage winding group, the 3rd stay group the 6, the 3rd stay group outside screen layer and the 4th stay group 9 outside layer of insulation board;Described screen layer includes two-layer shielding insulation plate 16, and is arranged on the shielding line layer 17 between two-layer shielding insulation plate.On the one hand separate intermediate voltage winding group and screen layer by arranging the second stay group, play the effect of radiating insulating, on the other hand play the supporting role to intermediate voltage winding group and screen layer;By arranging two-layer shielding insulation plate, on the one hand the insulating effect to intermediate voltage winding group Yu high-tension coil group is played, on the other hand owing to being provided with shielding line layer between two-layer shielding insulation plate, the overvoltage of transmission between intermediate voltage winding group and high-tension coil group therefore can effectively be shielded;On the one hand separate high-tension coil group and screen layer by arranging the 3rd stay group, play the effect of radiating insulating, on the other hand play the supporting role to high-tension coil group and screen layer;By arranging layer of insulation board, further function as the insulating effect to intermediate voltage winding group Yu high-tension coil group;On the one hand separate layer of insulation board and high-tension coil group by arranging the 4th stay group, play the effect of radiating insulating, on the other hand play layer of insulation board and the supporting role of high-tension coil group.
Preferably, connecting and have low-voltage lead 21 below described low-voltage coil group, the intermediate voltage winding group upper and lower outside low-voltage coil is connected to middle voltage lead wires 19 and lower middle voltage lead wires 20, and outermost high-tension coil group is connected above high-voltage connection 22;Described high-voltage connection and low-voltage lead are positioned at homonymy, upper and lower middle voltage lead wires be positioned at low-voltage lead back to side.Owing to described high-voltage connection and low-voltage lead are positioned at the same side, upper and lower middle voltage lead wires is positioned at opposite side, it is easy to high pressure, low pressure, upper middle pressure, the connection of lower middle voltage lead wires and draws, ensure that the space of lifting one's head of each coil, pulled open the distance between lead-in wire and lead-in wire simultaneously and ensure that the electrical distance of lead-in wire.It should be noted that upper and lower middle voltage lead wires is positioned at opposite side, and intermediate voltage winding, the number of plies of low-voltage coil are even level in order to ensure that high-voltage connection and low-voltage lead are positioned at the same side.
Preferably, it is provided with the 5th stay group 10 between medium pressure coil groups.By arranging the 5th stay group, on the one hand separate every layer of intermediate voltage winding layer, play the effect of heat radiation, on the other hand play the supporting role of intermediate voltage winding group.
Preferably, it is provided with the 6th stay group 11 between described high-tension coil group.On the one hand by arranging the 6th stay group between high-tension coil group, separate high-tension coil group, and play the effect of radiating insulating, on the other hand play the supporting role to high-tension coil group.
Preferably, described low-voltage coil group, intermediate voltage winding group and high-tension coil group two ends are provided with end circle 12.By arranging end circle, make low-voltage coil group, intermediate voltage winding group and the insulation of high-tension coil group two ends.
Preferably, triangle is connected between described upper intermediate voltage winding group and upper middle voltage lead wires;Star is connected between described lower intermediate voltage winding group and lower middle voltage lead wires.Owing to connecing for d between upper intermediate voltage winding group and upper middle voltage lead wires, and between lower intermediate voltage winding group and lower middle voltage lead wires, y connects, thus the output voltage realizing intermediate voltage winding group forms the phase contrast of 30 degree, can power to converter 12 Pulses Rectifier after output.
Preferably, described first, second, third, fourth, the five, the 6th stay groups all include the some stays around the distribution of core center axle.Using stay, low cost, support effect is high.
A kind of flame-proof type multivoltage unsteady flow mobile substation, including high and low voltage switch and dry-type transformer;It is characterized in that, described dry-type transformer, including iron core, iron core is disposed with low-voltage coil group, intermediate voltage winding group and high-tension coil group from inside to outside;Medium pressure coil groups is made up of upper intermediate voltage winding and lower intermediate voltage winding;It is provided with the first insulation group between described low-voltage coil group and intermediate voltage winding group, between intermediate voltage winding group and high-tension coil group, is provided with the second insulation group;Described first insulation group is the first stay group;Described second insulation group includes being arranged on the second stay group outside intermediate voltage winding group, the screen layer outside the second stay group, the 3rd stay group outside screen layer, the layer of insulation board outside the 3rd stay group and the 4th stay group outside layer of insulation board;Described screen layer includes two-layer shielding insulation plate, and is arranged on the shielding line layer between two-layer shielding insulation plate;Connecting below described low-voltage coil group and have low-voltage lead, the intermediate voltage winding group upper and lower outside low-voltage coil is connected to middle voltage lead wires and lower middle voltage lead wires, and outermost high-tension coil group is connected above high-voltage connection;Described high-voltage connection and low-voltage lead are positioned at homonymy, upper and lower middle voltage lead wires be positioned at low-voltage lead back to side;Triangle is connected between described upper intermediate voltage winding group and upper middle voltage lead wires;Star is connected between described lower intermediate voltage winding group and lower middle voltage lead wires;Described first, second, third, fourth stay group all includes the some stays around the distribution of core center axle;Have employed above-mentioned scheme, be greatly reduced mobile substation occupation of land length in mine;Application process has only to transport once in putting into mine, decrease the cost of transportation in transportation;And 1.2KV, 0.693KV and the voltage of two 1.905KV can be exported, it is possible to meet the equipment electricity consumption under mine;High-voltage connection, up and down in voltage lead wires, low-voltage lead all go between the binding post in the outlet box on the right side of transformator, for receiving high and low voltage switch;Realize (each voltage protection and uniform data process, transmission, WIFI function being it should be noted that, high and low voltage switch herein can use Application No. 201510186174.6 by switch; apply for the high and low voltage switch case in entitled integrated high-low pressure guard box, in use have only to changing circuit configurations internal).
Preferably, it is provided with the 5th stay group between medium pressure coil groups.By arranging the 5th stay group, on the one hand separate every layer of intermediate voltage winding layer, play the effect of heat radiation, on the other hand play the supporting role of intermediate voltage winding group.
Preferably, it is provided with the 6th stay group between described high-tension coil group.On the one hand by arranging the 6th stay group between high-tension coil group, separate high-tension coil group, and play the effect of radiating insulating, on the other hand play the supporting role to high-tension coil group.
The above; it it is only preferred embodiment of the present utility model; not this utility model is done any pro forma restriction, every according to any simple modification in technical spirit of the present utility model, above example made, equivalent variations, within each falling within protection domain of the present utility model.
Claims (9)
1. flame-proof type multivoltage unsteady flow mobile substation dry-type transformer, including iron core, it is characterised in that iron core is disposed with low-voltage coil group, intermediate voltage winding group and high-tension coil group from inside to outside;Medium pressure coil groups is made up of upper intermediate voltage winding and lower intermediate voltage winding;It is provided with the first insulation group between described low-voltage coil group and intermediate voltage winding group, between intermediate voltage winding group and high-tension coil group, is provided with the second insulation group.
Flame-proof type multivoltage unsteady flow mobile substation the most according to claim 1 dry-type transformer, it is characterised in that described first insulation group is the first stay group.
Flame-proof type multivoltage unsteady flow mobile substation the most according to claim 1 dry-type transformer, it is characterized in that, described second insulation group includes being arranged on the second stay group outside intermediate voltage winding group, the screen layer outside the second stay group, the 3rd stay group outside screen layer, the layer of insulation board outside the 3rd stay group and the 4th stay group outside layer of insulation board;Described screen layer includes two-layer shielding insulation plate, and is arranged on the shielding line layer between two-layer shielding insulation plate.
Flame-proof type multivoltage unsteady flow mobile substation the most according to claim 1 dry-type transformer, it is characterized in that, connect below described low-voltage coil group and have low-voltage lead, intermediate voltage winding group upper and lower outside low-voltage coil is connected to middle voltage lead wires and lower middle voltage lead wires, and outermost high-tension coil group is connected above high-voltage connection;Described high-voltage connection and low-voltage lead are positioned at homonymy, upper and lower middle voltage lead wires be positioned at low-voltage lead back to side.
Flame-proof type multivoltage unsteady flow mobile substation the most according to claim 1 dry-type transformer, it is characterised in that be provided with the 5th stay group between medium pressure coil groups.
Flame-proof type multivoltage unsteady flow mobile substation the most according to claim 1 dry-type transformer, it is characterised in that be provided with the 6th stay group between described high-tension coil group.
Flame-proof type multivoltage unsteady flow mobile substation the most according to claim 1 dry-type transformer, it is characterised in that described low-voltage coil group, intermediate voltage winding group and high-tension coil group two ends are provided with end circle.
Flame-proof type multivoltage unsteady flow mobile substation the most according to claim 4 dry-type transformer, it is characterised in that connect into triangle between described upper intermediate voltage winding group and upper middle voltage lead wires;Star is connected between described lower intermediate voltage winding group and lower middle voltage lead wires.
9. a flame-proof type multivoltage unsteady flow mobile substation, it is characterised in that include high and low voltage switch and dry-type transformer;It is characterized in that, described dry-type transformer, including iron core, iron core is disposed with low-voltage coil group, intermediate voltage winding group and high-tension coil group from inside to outside;Medium pressure coil groups is made up of upper intermediate voltage winding and lower intermediate voltage winding;It is provided with the first insulation group between described low-voltage coil group and intermediate voltage winding group, between intermediate voltage winding group and high-tension coil group, is provided with the second insulation group;Described first insulation group is the first stay group;Described second insulation group includes being arranged on the second stay group outside intermediate voltage winding group, the screen layer outside the second stay group, the 3rd stay group outside screen layer, the layer of insulation board outside the 3rd stay group and the 4th stay group outside layer of insulation board;Described screen layer includes two-layer shielding insulation plate, and is arranged on the shielding line layer between two-layer shielding insulation plate;Connecting below described low-voltage coil group and have low-voltage lead, the intermediate voltage winding group upper and lower outside low-voltage coil is connected to middle voltage lead wires and lower middle voltage lead wires, and outermost high-tension coil group is connected above high-voltage connection;Described high-voltage connection and low-voltage lead are positioned at homonymy, upper and lower middle voltage lead wires be positioned at low-voltage lead back to side;Described first, second, third, fourth stay group all includes the some stays around the distribution of core center axle.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105513764A (en) * | 2015-12-31 | 2016-04-20 | 常州联力自动化科技有限公司 | Explosive-proof dry type transformer for multi-voltage mobile substation |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN105513764A (en) * | 2015-12-31 | 2016-04-20 | 常州联力自动化科技有限公司 | Explosive-proof dry type transformer for multi-voltage mobile substation |
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