CN105895342B - Three-phase high level of synchronization adjustable transformer - Google Patents
Three-phase high level of synchronization adjustable transformer Download PDFInfo
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- CN105895342B CN105895342B CN201610319095.2A CN201610319095A CN105895342B CN 105895342 B CN105895342 B CN 105895342B CN 201610319095 A CN201610319095 A CN 201610319095A CN 105895342 B CN105895342 B CN 105895342B
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- 230000009467 reduction Effects 0.000 claims abstract description 31
- 238000004804 winding Methods 0.000 claims abstract description 23
- 230000009466 transformation Effects 0.000 claims abstract description 21
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000000605 extraction Methods 0.000 claims description 7
- 239000000696 magnetic material Substances 0.000 claims description 4
- 230000001360 synchronised effect Effects 0.000 description 9
- 230000033228 biological regulation Effects 0.000 description 8
- 230000005611 electricity Effects 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F29/00—Variable transformers or inductances not covered by group H01F21/00
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P13/00—Arrangements for controlling transformers, reactors or choke coils, for the purpose of obtaining a desired output
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- Power Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Coils Of Transformers For General Uses (AREA)
Abstract
The invention discloses a kind of three-phase high level of synchronization adjustable transformer, including：Three pairs of single-phase transformation coil groups, it includes being arranged with fluted disc around the primary winding and secondary coil being located on iron core, the periphery of the secondary coil, and its inner ring engages connection with the secondary coil periphery, the fluted disc upper end is provided with conducting ring, and it is bonded with the periphery of the secondary coil；Reduction box, is provided with motor, the input axis connection of the output shaft of the motor and the reduction box, and the motor is connected with the controller of the transformer；Screw mandrel rotating shaft, its upper end are provided with rotor gear, and the screw mandrel rotating shaft engages connection with the fluted disc outer ring；Electromagnetic clutch, it is selectively connected the output shaft of the rotor gear and the reduction box, and the electromagnetic clutch is connected with the controller, and the present invention solves the technical problem that three-phase adjustable transformer can not be transformed into monophase type adjustable transformer to use.
Description
Technical field
The present invention relates to a kind of high pressure adjustable transformer, it is more particularly related to which a kind of three-phase high level of synchronization can
Voltage regulator/transformer.
Background technology
In high pressure transmission ＆ distribution electro-technical field, adjustable transformer play the role of it is very important, specifically, transformer be profit
Changing the device of alternating voltage with the principle of electromagnetic induction, main member has primary coil, secondary coil, iron core or magnetic core,
Major function has：Voltage transformation, current transformation, impedance conversion, isolation, voltage stabilizing etc., can be divided into by purposes：Distribution transformer, electricity
Transformer, rectifier transformer etc. when power transformer, full-sealed transformer, combination.Although existing transformer species is more,
The structure of specific transformation is designed to greatly, for some special fields, generally requires transformer to be adjusted transformation, typically
Transformer then can not easily realize, rotary screw rod rotating shaft is controlled by motor, to change stator and rotor with respect to electric degree angle,
The continuous output size for changing voltage is come with this, realizes the no-load voltage ratio regulation of input and output voltage.
But this pressure adjusting structure is commonly available to three-phase induction transformer, and is not applied to for single-phase induction transformer；Separately
On the one hand, three-phase induction transformer can be only applied in three-phase circuit, can not limit transformer suitable for uniline
The scope of application, although and three single-phase transformers can be transformed into three-phase transformer, the three-phase transformer after conversion can not enter
The synchronous pressure regulation of row, it also limit the application of this conversion three-phase transformer.
The content of the invention
It is an object of the invention to solve at least the above, and provide the advantages of at least will be described later.
A further object of the invention is the design defect for above adjustable transformer, there is provided a kind of three-phase high level of synchronization
Adjustable transformer, the three-phase of transformer can also be connected with independently adjustable use and are transformed into the adjustable transformer of three-phase synchronous,
In each power network, the present invention solves three-phase adjustable transformer can not be transformed into monophase type adjustable transformer to use flexible service
Technical problem.
In order to realize according to object of the present invention and further advantage, there is provided a kind of adjustable transformation of three-phase high level of synchronization
Device, including：
Three pairs of single-phase transformation coil groups, it is contained in transformer body, and the single-phase transformation coil group is included around being located at
Primary winding and secondary coil on iron core, the periphery of the secondary coil are arranged with fluted disc, its inner ring and the secondary coil
Periphery engagement connection, the fluted disc upper end are provided with conducting ring, and it is bonded with the periphery of the secondary coil；
Reduction box, it is arranged on the upper end of the device body, motor, the output shaft of the motor is provided with the reduction box
With the input axis connection of the reduction box, the motor is connected with the controller of the transformer；
Screw mandrel rotating shaft, its be disposed longitudinally in the device body and from the device hold draw, the screw mandrel rotating shaft it is upper
End is provided with rotor gear, and the screw mandrel rotating shaft engages connection with the fluted disc outer ring；
Electromagnetic clutch, it is selectively connected the output shaft of the rotor gear and the reduction box, the electromagnetism from
Clutch is connected with the controller.
Preferably, the electromagnetic clutch is vertically mounted on the upper end of the device body, and the electromagnetic clutch includes base
With the flexible movable end being arranged in the base, the movable end optionally links the rotor gear and the reduction box
Output shaft.
Preferably, the base center is provided with vertical cavity, and annular is provided with the base of the vertical cavity periphery
Chamber, spring is provided with the annular chamber, several are symmetrically offered on the madial wall of the vertical cavity and connects the vertical cavity
With the vertical channel of annular chamber, the bottom of the base is provided with the winding coil being connected with power supply, the power supply of the winding coil
Switch is connected with the controller.
Preferably, the movable end includes：
Telescopic shaft, it is made up of magnetic material, and the telescopic shaft is movably arranged in the vertical cavity, the telescopic shaft
Bottom symmetrical is provided with several blocks, and the block is movably arranged in the vertical channel, and the block be pressed against it is described
The upper end of spring, the flexible axis center offer axis hole, an annular groove are provided with the axis hole side wall；
Clutch gear, its central lower end set sprocket drive spindle, and the gear shaft is rotatably arranged in the axis hole, and described
Gear shaft bottom is provided with horizontal sliding wheel, and the horizontal sliding wheel is rotatably arranged in the annular groove, the clutch gear selectivity
Connection is engaged with the rotor gear and the reduction gearbox output shaft in ground simultaneously.
Preferably, in addition to voltage collector, it is arranged on the output end of each secondary coil, the voltage acquisition
Device is connected with the controller.
Preferably, screw thread is provided with the device body madial wall, the outer ring of each fluted disc and the device body madial wall
Engagement connection.
Preferably, single-phase transformation coil group is disposed in the device body described in each pair, single-phase change line ball described in each pair
Circle group is correspondingly arranged on a screw mandrel rotating shaft and the institute for link the screw mandrel rotating shaft and the reduction gearbox output shaft
State electromagnetic clutch.
Preferably, outside extraction voltage input on each primary winding, one of each secondary coil with
And outside extraction voltage output end on the conducting ring, one of the secondary coil pass through part described two with the conducting ring
Secondary coil windings in series connects.
Preferably, it is filled with transformer oil in the device body.
Preferably, the screw mandrel rotating shaft top and bottom are connected by bearing with the device body.
The present invention comprises at least following beneficial effect：
1st, the present invention by three single-phase adjustable transforms into three-phase adjustable transformer, realize by the three-phase transformer after conversion
Synchronous pressure regulation, suitable for three-phase circuit, meanwhile, three single-phase transformers can also be used alone, realize single-phase voltage regulating,
The transformer of the present invention can expand the use range of transformer according to circuit requirements suitable for single-phase or three-phase circuit；
2nd, transformer of the invention goes in three independent single-phase circuits, further expands the clothes of transformer
Business network, meanwhile, three independent transformers are contained in a device body, reduce the manufacture using three separated transformers
Cost；
3rd, by the setting of electromagnetic clutch, the accurate control of screw mandrel axis of rotation angle is realized, that is, is realized
Transformer voltage ratio it is accurate adjustable, improve the precision of adjustable transformer output voltage.
Further advantage, target and the feature of the present invention embodies part by following explanation, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Brief description of the drawings
Fig. 1 is the top view of the three-phase high level of synchronization adjustable transformer of the present invention；
Fig. 2 is the transformer device structure schematic diagram that electromagnetic clutch is under linkage status with screw mandrel rotating shaft and motor；
The transformer device structure schematic diagram that Fig. 3 electromagnetic clutch is under released state with screw mandrel rotating shaft and motor；
Fig. 4 is the structural representation of the electromagnetic clutch.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to specification text
Word can be implemented according to this.
It should be appreciated that such as " having ", "comprising" and " comprising " term used herein do not allot one or more
The presence or addition of individual other elements or its combination.
As Figure 1-4, the present invention provides a kind of three-phase high level of synchronization adjustable transformer, including：
For three-phase transformer structure as shown in figure 1, the single-phase transformation coil group of three pairs of identicals, it is contained in transformer body
In 100, the single-phase transformation coil group is included around the primary winding 150 and secondary coil 140 being located on iron core 130, this implementation
Use two-core type iron core in example, by the formation closed magnetic circuit of iron yoke 180, primary winding 150 and secondary coil 140 are rotating around being located at
On one single iron core, by the coil of the periphery of the secondary coil 140 around into continuous texture structure, the secondary line
The periphery of circle 140 is arranged with fluted disc 160, and the inner ring of fluted disc 160 is provided with internal thread, the inner ring of fluted disc 160 and the secondary coil 140
Periphery engagement connection, fluted disc 160 is made up of insulating materials, and the upper end of fluted disc 160 is provided with conducting ring 170, and it is with described two
The periphery fitting of secondary coil 140, that is, conducting ring 170 are conductively connected with secondary coil 140, and the conducting ring 170 is with institute
The rotation of fluted disc 160 is stated, is axially moved up and down in the outer peripheral surface of secondary coil 140, for the ease of describing, as Figure 2-3
Single-phase transformer structure, outside extraction voltage input 151 and 152 on each primary winding 150, each secondary line
One outside extraction voltage output end 141 of circle 140, outside extraction voltage output end 142, voltage on the conducting ring 170
Output end 141 is connected with voltage output end 142 by the part secondary coil windings in series, as the conducting ring 170 exists
Lifting on secondary coil, the connection winding between voltage output end 141 and voltage output end 142 changes, so as to change electricity
The output voltage between output end 141 and voltage output end 142 is pressed, when individually controlling the conducting ring 170 on secondary coil
Position when, transformer of the invention is three independent adjustable single-phase transformers, can be serviced in three independent circuits
In network, three independent transformers are contained in a device body, reduce the manufacturing cost using three separated transformers；
Meanwhile when needing to be transformed into three-phase adjustable transformer, three conducting rings 170 are adjusted into an identical height and position, then will
Three groups of voltage input ends 151 with 152 by star connect or corner connection in a manner of connect, by three groups of voltage output ends 141 and voltage output end
142 also by star connect or corner connection in a manner of connect, you can be transformed into three-phase adjustable transformer, be adjusted in synchronism the height of conducting ring 170
Position, you can realize three-phase synchronous voltage-regulation；
Reduction box 300, it is arranged on the upper end of the device body 100, is provided with the reduction box 300 for drive screw
The motor 200 of rotating shaft rotation, the input axis connection of the output shaft of the motor 200 and the reduction box 300, the motor 200
It is connected with the controller of the transformer；
Screw mandrel rotating shaft 110, it is disposed longitudinally in the device body 100 and drawn from the upper end of device body 100, the screw mandrel
The upper end of rotating shaft 110 is provided with rotor gear 111, and the screw mandrel rotating shaft 110 is engaged connection with the outer ring of fluted disc 160, passed through
Rotate rotor gear 111 and carry out rotary screw rod rotating shaft 110, due to outer ring and the company of engagement of screw mandrel rotating shaft 110 of the fluted disc 160
Connect, the inner ring of the fluted disc 160 engages connection with the outer ring of secondary coil 140, and when rotary screw rod rotating shaft 110, fluted disc 160 is
Can axially it be moved up and down on secondary coil 140, conducting ring 170 moves up and down also with fluted disc 160 in secondary coil, so as to change
Access winding between variable voltage output end 141 and voltage output end 142, it is defeated to adjust voltage output end 141 and voltage with this
The output voltage values gone out between end 142；
Electromagnetic clutch 400, it is vertically mounted on the upper end of the device body 100, the rotor gear 111 and reduction box
Output shaft 310 is horizontally spaced about, and the electromagnetic clutch 400 is arranged on the rotor gear 111 and reduction gearbox output shaft 310
Between device body 100 on, and the electromagnetic clutch 400 is selectively connected the rotor gear 111 and the reduction box is defeated
Shaft 310, with this so that motor links with screw mandrel rotating shaft, the electromagnetic clutch 400 is connected with the controller；
The transformer of the present invention also includes voltage collector, and not shown in figure, it is arranged on each secondary coil 140
Output end, for gathering the output voltage of each phase of transformer, the voltage collector is connected with the controller, will be adopted in real time
The transformer output voltage of collection is fed back in controller.
Specifically, single-phase transformation coil group is disposed in the device body 100 described in each pair, single-phase transformation described in each pair
Coil group is correspondingly arranged on a screw mandrel rotating shaft and for link the screw mandrel rotating shaft and the reduction gearbox output shaft
The electromagnetic clutch, when transformer of the invention is as three monophase type adjustable transformers, set in the controller per phase-change pressure
The predeterminated voltage of device, controller are controlled to three electromagnetic clutch respectively, the corresponding each electromagnetism of subsequent controller control from
Clutch links with the rotor gear 111 and reduction gearbox output shaft 310 simultaneously, and controller controlled motor rotates, you can driving pair
Answer screw mandrel rotating shaft 110 to rotate the position for changing corresponding conducting ring on the coil of two wires, that is, change the output in a corresponding phase
Voltage, meanwhile, voltage collector gathers the output voltage of each phase transformer in real time, and feeds back in controller, when a wherein phase
When the output voltage of transformer reaches predeterminated voltage, the corresponding electromagnetic clutch 400 of controller control and the corresponding rotor gear
111 and reduction gearbox output shaft 310 depart from, now, screw mandrel rotating shaft 110 departs from motor 200, and stops operating rapidly, avoids
Screw mandrel rotating shaft 110 is rotated further under motor coast and causes output voltage to deviate predeterminated voltage, realizes transformer
Accurate no-load voltage ratio regulation, after three-phase voltage all adjusts, controlled motor stops operating, when needing to adjust single-phase transformation again
During device no-load voltage ratio, continue to control the motion process of electromagnetic clutch and motor by said process.As can be seen here, the present invention is in transformer
On be provided with electromagnetic clutch, by electromagnetic clutch come the screw mandrel rotating shaft 110 on motor and each phase that optionally links,
The predeterminated voltage of single-phase transformer is set in controller, and then the corresponding electromagnetic clutch linkage motor of controller control and screw mandrel turn
Axle 110, motor drive screw rotating shaft 110 are rotated to adjust the no-load voltage ratio of single-phase transformer, while voltage collector collection transformer
Output voltage, when the output voltage of transformer reaches predeterminated voltage, controller control electromagnetic clutch and motor and screw mandrel
Rotating shaft 110 departs from, and screw mandrel rotating shaft 110 stops operating rapidly, avoids screw mandrel rotating shaft overtravel from rotating, it is accurate to realize transformer
No-load voltage ratio adjusts and the independent control of three-phase transformer, efficiently solve adjustable transformer no-load voltage ratio can not the technology of controllable precise ask
Topic, and the service network of transformer is further expanded, go in three independent single-phase circuits, meanwhile, by three
Independent transformer is contained in a device body, reduces the manufacturing cost using three separated transformers.
When transformer needs to apply in three-phase network, three conducting rings 170 are adjusted into an identical height and position, so
Afterwards by three groups of voltage input ends 151 with 152 by star connect or corner connection in a manner of connect, three groups of voltage output ends 141 and voltage are defeated
Go out end 142 also by star connect or corner connection in a manner of connect, you can be transformed into three-phase adjustable transformer, be adjusted in synchronism conducting ring 170
Height and position, that is, three electromagnetic clutch are controlled by controller synchronous interaction, it is synchronous to three screw mandrel rotating shafts 110 to control
System, position of three conducting rings 170 of Synchronization Control on secondary coil, you can realize three-phase synchronous voltage-regulation；Need to illustrate
, as shown in figure 1, the 3rd group of conducting ring 170, the hand of spiral and other two-phases of two wires coil 140 and screw mandrel rotating shaft 110
The hand of spiral of the 3rd group of conducting ring 170, two wires coil 140 and screw mandrel rotating shaft 110 on transformer is reversed, to realize
When motor rotates, three conducting rings 170 are adjusted in synchronism.The present invention is by three single-phase adjustable transforms into the adjustable transformation of three-phase
Device, the three-phase transformer after conversion realizes synchronous pressure regulation, suitable for three-phase circuit, meanwhile, three single-phase transformers also may be used
To be used alone, single-phase voltage regulating is realized, transformer of the invention can be applied to single-phase or three-phase circuit according to circuit requirements
In, expand the use range of transformer.
The electromagnetic clutch 400 includes base and the flexible movable end being arranged in the base, and control movable end exists
It is movable in base, you can to realize that the movable end optionally links the rotor gear 111 and the reduction gearbox output shaft
310。
In another embodiment, as shown in figure 4, the base center is provided with vertical cavity 470, outside the vertical cavity 470
Be provided with annular chamber 440 in the base in week, be provided with spring 450 in the annular chamber 440, the vertical cavity 470 it is interior
Several are symmetrically offered in side wall and connects the vertical cavity and the vertical channel of annular chamber, the bottom of the base is provided with and electricity
The winding coil 460 of source connection, the power switch of the winding coil 460 are connected with the controller.
The movable end includes：
Telescopic shaft 420, it is made up of magnetic material, and the telescopic shaft 420 is movably arranged in the vertical cavity 470, institute
The bottom symmetrical for stating telescopic shaft 420 is provided with several blocks 421, and the block 421 is movably arranged in the vertical channel, and
The block 421 is pressed against the upper end of the spring 450, and the center of telescopic shaft 420 offers axis hole, in the axis hole side wall
It is provided with an annular groove；
Clutch gear 410, its central lower end set sprocket drive spindle 430, and the gear shaft 430 is rotatably arranged on the axis hole
In, and the bottom of the gear shaft 430 is provided with horizontal sliding wheel 431, the horizontal sliding wheel 431 is rotatably arranged in the annular groove,
So that gear shaft 430 is limited in axis hole and rotated, avoid gear shaft 430 from being relatively moved up and down in axis hole, control described flexible
The stretching motion in the vertical cavity 470 of axle 420, you can realize the clutch gear 410 optionally simultaneously with the rotor
Gear and reduction gearbox output shaft engagement connection.
Specifically, generally the winding coil 460 be in obtain electricity condition, by the telescopic shaft 420 being made up of magnetic material to
Under hold, compression spring, clutch gear 410 departs from the rotor gear 111 and reduction gearbox output shaft 310, in transformer
Before pressure regulation, the predeterminated voltage of transformer, the subsequent dead electricity of controller controling winding coil 460, in spring bullet are set in the controller
In the presence of power, telescopic shaft 420 moves upwards in vertical cavity 470, promotes clutch gear 410 to move upwards, until clutch gear
410 link with the rotor gear 111 and reduction gearbox output shaft 310 simultaneously, and now controller controlled motor rotates, and driving is conductive
Ring 170 moves axially on secondary coil changes output voltage values, meanwhile, voltage collector gathers the output electricity of transformer in real time
Pressure, and feed back in controller, when the output voltage of transformer reaches predeterminated voltage, controller controling winding coil 460
Electricity, winding coil 460 hold downwards telescopic shaft 420, and compression spring, telescopic shaft 420 moves downward in vertical cavity 470, pull
Clutch gear 410 moves downward, until clutch gear 410 is simultaneously de- with the rotor gear 111 and reduction gearbox output shaft 310
From now, screw mandrel rotating shaft 110 departs from motor 200, and stops operating rapidly, avoids screw mandrel rotating shaft in motor coast
Under be rotated further and cause output voltage to deviate predeterminated voltage, realize the regulation of transformer accurate no-load voltage ratio.
In another embodiment, screw thread is provided with the madial wall of device body 100, the outer ring of each fluted disc 160 with
The device body madial wall engagement connection, for stablizing fluted disc 160, makes its keep level state, and reduce the lifting of fluted disc 160
Resistance.
In another embodiment, transformer oil is filled with the device body, for lubricating and radiating.Also, the screw mandrel
Rotating shaft top and bottom are connected by bearing 120 with the device body, effectively reduce the pivoting friction resistance of screw mandrel rotating shaft, simultaneously
Reduce the abrasion of bearing and screw mandrel rotating shaft, further increase screw mandrel axis of rotation accuracy, so as to improve the tune of transformer
Press accuracy.
From the above mentioned, the present invention by three single-phase adjustable transforms into three-phase adjustable transformer, three phase transformations after conversion
Depressor realizes synchronous pressure regulation, suitable for three-phase circuit, meanwhile, three single-phase transformers can also be used alone, and realize
Single-phase voltage regulating, transformer of the invention can expand transformer according to circuit requirements suitable for single-phase or three-phase circuit
Use range；Meanwhile transformer of the invention goes in three independent single-phase circuits, further expands transformer
Service network, meanwhile, three independent transformers are contained in a device body, reduced using three separated transformers
Manufacturing cost；Further, by the setting of electromagnetic clutch, the accurate control of screw mandrel axis of rotation angle is realized, also
It is realize transformer voltage ratio accurate adjustable, improves the precision of adjustable transformer output voltage.
Although embodiment of the present invention is disclosed as above, it is not restricted in specification and embodiment listed
With it can be applied to various suitable the field of the invention completely, can be easily for those skilled in the art
Other modification is realized, therefore under the universal limited without departing substantially from claim and equivalency range, it is of the invention and unlimited
In specific details and shown here as the legend with description.
Claims (8)
- A kind of 1. three-phase high level of synchronization adjustable transformer, it is characterised in that including：Three pairs of single-phase transformation coil groups, it is contained in transformer body, and the single-phase transformation coil group is included around being located at iron core On primary winding and secondary coil, the periphery of the secondary coil is arranged with fluted disc, its inner ring and the secondary coil periphery Engagement connection, the fluted disc upper end are provided with conducting ring, and it is bonded with the periphery of the secondary coil；Reduction box, it is arranged on the upper end of the device body, and motor, the output shaft of the motor and institute are provided with the reduction box The input axis connection of reduction box is stated, the motor is connected with the controller of the transformer；Screw mandrel rotating shaft, it is disposed longitudinally in the device body and held from the device and is drawn, and the upper end of the screw mandrel rotating shaft is set Rotor gear is equipped with, the screw mandrel rotating shaft engages connection with the fluted disc outer ring；Electromagnetic clutch, it is selectively connected the output shaft of the rotor gear and the reduction box, the electromagnetic clutch It is connected with the controller；Wherein, the electromagnetic clutch is vertically mounted on the upper end of the device body, and the electromagnetic clutch includes base and stretched The movable end being arranged in the base, the movable end optionally link the rotor gear and the reduction box output Axle, the base center are provided with vertical cavity, annular chamber, the annular chamber are provided with the base of the vertical cavity periphery In be provided with spring, several are symmetrically offered on the madial wall of the vertical cavity and connects the vertical of described vertical cavities and annular chamber Groove, the bottom of the base are provided with the winding coil being connected with power supply, power switch and the control of the winding coil Device connects.
- 2. three-phase high level of synchronization adjustable transformer as claimed in claim 1, it is characterised in that the movable end includes：Telescopic shaft, it is made up of magnetic material, and the telescopic shaft is movably arranged in the vertical cavity, the bottom of the telescopic shaft Several blocks are symmetrically arranged with, the block is movably arranged in the vertical channel, and the block is pressed against the spring Upper end, the flexible axis center offers axis hole, an annular groove is provided with the axis hole side wall；Clutch gear, its central lower end set sprocket drive spindle, and the gear shaft is rotatably arranged in the axis hole, and the gear Axle bottom is provided with horizontal sliding wheel, and the horizontal sliding wheel is rotatably arranged in the annular groove, and the clutch gear is optionally same When with the rotor gear and the reduction gearbox output shaft engage connection.
- 3. three-phase high level of synchronization adjustable transformer as claimed in claim 2, it is characterised in that also including voltage collector, its The output end of each secondary coil is arranged on, the voltage collector is connected with the controller.
- 4. three-phase high level of synchronization adjustable transformer as claimed in claim 3, it is characterised in that set on the device body madial wall There is screw thread, connection is engaged in the outer ring of each fluted disc with the device body madial wall.
- 5. three-phase high level of synchronization adjustable transformer as claimed in claim 4, it is characterised in that single-phase transformation coil described in each pair Group is disposed in the device body, and single-phase transformation coil group described in each pair is correspondingly arranged on a screw mandrel rotating shaft and use In the electromagnetic clutch of link the screw mandrel rotating shaft and the reduction gearbox output shaft.
- 6. three-phase high level of synchronization adjustable transformer as claimed in claim 5, it is characterised in that on each primary winding to Outer extraction voltage input, outside extraction voltage output end on one of each secondary coil and the conducting ring, institute State secondary coil one is connected with the conducting ring by the part secondary coil windings in series.
- 7. three-phase high level of synchronization adjustable transformer as claimed in claim 6, it is characterised in that transformation is filled with the device body Device oil.
- 8. three-phase high level of synchronization adjustable transformer as claimed in claim 1, it is characterised in that the screw mandrel rotating shaft upper end is with End is connected by bearing with the device body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610319095.2A CN105895342B (en) | 2016-05-13 | 2016-05-13 | Three-phase high level of synchronization adjustable transformer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610319095.2A CN105895342B (en) | 2016-05-13 | 2016-05-13 | Three-phase high level of synchronization adjustable transformer |
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| CN105895342A CN105895342A (en) | 2016-08-24 |
| CN105895342B true CN105895342B (en) | 2017-12-26 |
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| CN107946055A (en) * | 2017-11-07 | 2018-04-20 | 苏州科爱佳自动化科技有限公司 | A kind of dual-rotor structure regulator based on Angular displacement control |
| CN107946056A (en) * | 2017-11-07 | 2018-04-20 | 苏州科爱佳自动化科技有限公司 | A kind of adjustable transformer based on angular displacement ball bar control angle |
| CN107946054A (en) * | 2017-11-07 | 2018-04-20 | 苏州科爱佳自动化科技有限公司 | A kind of regulator of rotor adjustable angle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US1817131A (en) * | 1928-10-09 | 1931-08-04 | Jacobs Bros Co Inc | Poise |
| DE3042416A1 (en) * | 1980-11-11 | 1982-06-16 | Maschinenfabrik Reinhausen Gebrüder Scheubeck GmbH & Co KG, 8400 Regensburg | LOAD TRANSMISSION WITH LIMIT UNIT FOR THE DRIVE OF TAPE SWITCHES FOR TAPE TRANSFORMERS |
| CN2122424U (en) * | 1992-01-23 | 1992-11-18 | 吕景星 | Self-coupling contact voltage regulator operated manufally and electrically |
| CN2288549Y (en) * | 1996-04-09 | 1998-08-19 | 魏九鼎 | Drive for automatic voltage regulator |
| CN2574193Y (en) * | 2002-09-18 | 2003-09-17 | 金玮 | Post contact voltage regulator |
| JP4678613B2 (en) * | 2009-07-07 | 2011-04-27 | 有限会社オークス | Load voltage regulator with variable winding transformer |
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Effective date of registration: 20211026 Address after: 224500 No. 17, Gangcheng Road, Binhai County Economic Development Zone, Yancheng City, Jiangsu Province Patentee after: BINHAI QIANGYUAN ELECTRICAL INDUSTRY Co.,Ltd. Patentee after: HOHAI University Address before: No. 189, Jiefang Road, Yancheng City, Jiangsu Province Patentee before: STATE GRID YANCHENG POWER SUPPLY COMPANY Patentee before: BINHAI POWER SUPPLY COMPANY OF STATE GRID JIANGSU ELECTRIC POWER Co. Patentee before: BINHAI QIANGYUAN ELECTRICAL INDUSTRY Co.,Ltd. Patentee before: STATE GRID JIANGSU ELECTRIC POWER Co. Patentee before: State Grid Corporation of China |