CN117524634A - Adjustable transformer - Google Patents

Adjustable transformer Download PDF

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Publication number
CN117524634A
CN117524634A CN202311800977.7A CN202311800977A CN117524634A CN 117524634 A CN117524634 A CN 117524634A CN 202311800977 A CN202311800977 A CN 202311800977A CN 117524634 A CN117524634 A CN 117524634A
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CN
China
Prior art keywords
shell
wall
transformer
adjusting
fixedly connected
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Granted
Application number
CN202311800977.7A
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Chinese (zh)
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CN117524634B (en
Inventor
魏晓峰
魏祎
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General Technology Gropu Engineering Design Co ltd
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General Technology Gropu Engineering Design Co ltd
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Priority to CN202311800977.7A priority Critical patent/CN117524634B/en
Publication of CN117524634A publication Critical patent/CN117524634A/en
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Publication of CN117524634B publication Critical patent/CN117524634B/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F21/00Variable inductances or transformers of the signal type
    • H01F21/02Variable inductances or transformers of the signal type continuously variable, e.g. variometers
    • H01F21/04Variable inductances or transformers of the signal type continuously variable, e.g. variometers by relative movement of turns or parts of windings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/66Regeneration of the filtering material or filter elements inside the filter
    • B01D46/68Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
    • B01D46/681Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/08Cooling; Ventilating
    • H01F27/085Cooling by ambient air
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/08Cooling; Ventilating
    • H01F27/10Liquid cooling
    • H01F27/16Water cooling
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/24Magnetic cores
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/28Coils; Windings; Conductive connections
    • H01F27/29Terminals; Tapping arrangements for signal inductances
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/28Coils; Windings; Conductive connections
    • H01F27/30Fastening or clamping coils, windings, or parts thereof together; Fastening or mounting coils or windings on core, casing, or other support
    • H01F27/306Fastening or mounting coils or windings on core, casing or other support
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01FMAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00Details of transformers or inductances, in general
    • H01F27/40Structural association with built-in electric component, e.g. fuse
    • H01F27/402Association of measuring or protective means
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/30Reactive power compensation

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Ac-Ac Conversion (AREA)

Abstract

The invention belongs to the technical field of transformers, and particularly relates to an adjustable transformer which comprises a transformer main body, wherein a left iron core and a right iron core are symmetrically arranged in the transformer main body, an upper iron yoke and a lower iron yoke are fixedly connected to the upper end and the lower end of the left iron core and the lower iron core, and a primary coil is wound around the left iron core. The invention can quickly adjust the turns ratio of the secondary coil and the primary coil based on the change of the output voltage of the transformer, further maintain the stability of the output voltage, avoid the problem of overhigh or overlow output voltage, realize automatic stepless adjustment, enable the adjustment to be more timely and efficient, better meet the heat dissipation requirement, automatically trigger, enable the heat dissipation to be more accurate and timely, effectively filter the air circularly dissipated by the transformer, and avoid the problem that impurities and sweeps are easy to collide on fans and internal elements of the transformer when the internal air circularly dissipates, thereby causing collision damage.

Description

Adjustable transformer
Technical Field
The invention belongs to the technical field of transformers, and particularly relates to an adjustable transformer.
Background
A transformer is an electric device for converting the voltage of alternating current from one level to another while keeping the electric power equal, and is mainly composed of two or more coils (called windings) and one iron core, by which a high voltage can be changed to a low voltage or a low voltage can be changed to a high voltage to suit the needs of different electric power systems and electronic devices.
In actual use of the transformer, the output voltage of the transformer is unstable due to load change, input voltage fluctuation, wire resistance and wire loss existing in a long-distance power transmission line and transformer temperature change, so that the problem of overhigh or overlow output voltage is formed, the transformer needs to adjust the output voltage by adjusting the turn ratio of a secondary coil and a primary coil, the current adjusting mode is to adjust the turn ratio of the transformer by adjusting the wiring point of a primary coil winding and using the tap of the transformer, but in the adjusting mode, the power supply connection of the transformer needs to be disconnected firstly and then reconnected, so that the transformer is complex and inconvenient, normal use of the transformer is influenced, and stepless adjustment cannot be realized.
The patent with the patent grant publication number of CN214175849U proposes a self-regulating transformer, the access turns of a primary coil is quickly regulated, and then the turns ratio of the transformer is regulated, but in the use of the self-regulating transformer, the variation condition of a voltmeter is observed manually, the transformation ratio is regulated, the stability of output voltage is influenced, and when the turns ratio is too high, the transformer is overloaded due to the amplification of current, the overload condition can cause the overheating of the coil, so that the temperature of the transformer is increased, the unstable power quality is caused by the too low turns ratio, the use temperature of the transformer is increased, the abnormal temperature increase obviously cannot meet the heat dissipation requirement by using conventional heat dissipation equipment, and the use stability and the service life of the transformer are seriously influenced.
Disclosure of Invention
The present invention aims to solve the above problems and provide an adjustable transformer.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the utility model provides a transformer with adjustable, includes the transformer main part, left iron core and right iron core are installed to the symmetry in the transformer main part, upper and lower both ends fixedly connected with upper and lower iron yoke of left side iron core, left side iron core is externally winded and is equipped with primary, right side iron core is externally winded and is equipped with secondary, install into electric wire and play electric wire on the primary, the power transmission line has all been installed at secondary's both ends, the inner wall fixed mounting of transformer main part is equipped with the displacement adjustment mechanism that is located primary one side, displacement adjustment mechanism's output fixed mounting has a grafting electricity coupling mechanism, it connects with grafting electricity coupling mechanism fixed electricity to advance the electric wire, it is outside primary to connect electricity coupling mechanism to contradict to install, the outer wall fixed mounting of transformer main part has the output voltage monitoring feedback mechanism with two power transmission lines electricity and connects, output voltage monitoring feedback mechanism is connected with displacement adjustment mechanism electricity, still fixedly install circulation mechanism in the transformer main part, the outer wall of transformer main part still fixedly installs the PLC controller, controller and displacement adjustment mechanism, equal electric connection with PLC circulation mechanism, output voltage monitoring and heat dissipation mechanism.
In the above-mentioned adjustable transformer, displacement adjustment mechanism includes the regulation shell, the inner wall of regulation shell is connected with the adjusting screw of vertical setting through the bearing rotation, the upper end fixed mounting of regulation shell has a accommodate motor, the lower extreme output of accommodate motor and adjusting screw's upper end fixed connection, adjusting screw's pole wall screw thread has cup jointed the regulating block, one side fixedly connected with of regulating block extends the piece, extend the piece and run through the bar through-hole that the regulating shell lateral wall was seted up and stretch out outside the regulation shell, and fixed connection is at the rear end that meets electric coupling mechanism, the rear side fixedly connected with trigger head of regulating block, symmetrical fixedly connected with turns ratio is too low trigger switch and turns ratio is too high trigger switch about the inner wall rear side of regulating shell.
In the adjustable transformer, the electric connection mechanism comprises a lifting seat, a plurality of jacks are formed in the front side and the rear side of the lifting seat, push-pull rods are movably sleeved in the corresponding jacks, one end of each push-pull rod, which is located outside the lifting seat, is fixedly connected with one push-pull plate, the side wall of each push-pull plate is fixedly connected with a clamping seat, a first arc-shaped electric connection plate is fixedly embedded in the side wall of the lifting seat, a second arc-shaped electric connection plate is fixedly embedded in the side wall of each clamping seat, the first arc-shaped electric connection plate is in electric contact with one adjacent end of each second arc-shaped electric connection plate, a movable cavity is further formed in the lifting seat, one ends of each push-pull rod, which are located on the same side, extend into the movable cavity, are fixedly connected with one stress plate, a middle block is fixedly arranged in the center position of the inner wall of each lifting seat, thrust electromagnetic plates are fixedly embedded in the side wall of each middle block, and a thrust permanent magnetic plate is fixedly embedded in the side wall of each stress plate, and the side wall of each stress plate and the inner wall of each movable cavity is fixedly connected with a plurality of pull rods.
In the above-mentioned adjustable transformer, output voltage monitoring feedback mechanism includes the monitoring shell, the monitoring shell internal fixation installs voltage detection subassembly, two the power transmission line is connected with voltage detection subassembly's positive negative pole through tapping wire respectively, the inner wall of monitoring shell still slidable mounting has the drive rack, the output fixedly connected with of voltage detection subassembly is connected with the drive gear of drive rack meshing, the inner wall fixed mounting of monitoring shell has the feedback shell that is located the drive rack rear side, the inner wall symmetry of feedback shell is fixed to be installed forward electric connection piece and reverse electric connection piece, the rear side intermediate position fixed mounting of drive rack has the conducting block, the conducting block stretches into in the feedback shell through the bar opening that the monitoring shell lateral wall was seted up.
In the above-mentioned adjustable transformer, circulation cooling mechanism includes symmetrical fixed exhaust fan and the hair-dryer of inlaying the dress at transformer main part lateral wall, the intercommunication has same root circulation tuber pipe between the output of exhaust fan and the input of hair-dryer, install the cooling cylinder on the circulation tuber pipe, the outer wall fixed mounting of transformer main part has the cover to overlap the protective housing outside the cooling cylinder, protective housing's lateral wall fixed mounting has dust screen, protective housing's upper end fixed mounting has the liquid cooling to strengthen cooling mechanism, still install impurity interception filtering mechanism on the circulation tuber pipe.
In the above-mentioned adjustable transformer, the cooling mechanism of strengthening includes many fixed plug bushes at the shower of protective housing upper end, many the upper end fixed intercommunication of shower has same cavity annular buffer tube, fixed intercommunication has the delivery pipe on the cavity annular buffer tube, install pump machine and refrigeration box on the delivery pipe, the fixed plug bush of refrigeration box has many electric refrigeration sticks, the fixed intercommunication of lower extreme lateral wall of protective housing has the wet return.
In the above-mentioned adjustable transformer, impurity interception filter mechanism includes the filtration shell, the filtration shell internal fixation has installed the filter screen board, the inner wall avris of filtration shell is connected with the reciprocal lead screw of vertical setting through the bearing rotation, the upper end fixed mounting of filtration shell is equipped with driving motor, driving motor's lower extreme output and reciprocal lead screw's upper end fixed connection, reciprocal lead screw's pole wall screw thread has cup jointed the cleaning brush piece, the lateral wall fixedly connected with of cleaning brush piece is contradicted the brush hair layer on the filtration screen board, the outer wall of filtration shell still fixed mounting has the timing actuating mechanism who is connected with the driving motor electricity.
In the above-mentioned adjustable transformer, the timing actuating mechanism includes the location circle shell, the inner wall center department of location circle shell is connected with the arc through the pivot rotation and presses the head, inner wall one side fixed mounting of location circle shell has the start switch, the outer wall fixed mounting of location circle shell has gear motor, gear motor's output and the one end fixed connection of pivot.
Compared with the prior art, the invention has the beneficial effects that:
1. through transformer main part, displacement adjustment mechanism, electric connection coupling mechanism, output voltage monitoring feedback mechanism, left iron core, right iron core, go up the yoke, down yoke, primary, secondary, advance electric wire, go out electric wire, power transmission line that set up, can carry out quick adjustment to the turns ratio of secondary and primary based on transformer output voltage's change, and then keep output voltage's stability, avoid producing output voltage too high or too low problem, can realize automatic electrodeless regulation for the more timely high-efficient of regulation.
2. Through circulation cooling mechanism, the liquid cooling that sets up strengthen cooling mechanism, can carry out high-efficient heat dissipation to the transformer, avoid heat accumulation too much to the stable use of transformer to cause the influence, and can be when adjusting secondary coil and primary coil's turns ratio and cause turns ratio too high or excessively low and the unusual intensification that causes, quick response carries out further strengthen the heat dissipation, satisfy the heat dissipation demand that can be better, and automatic triggering, the heat dissipation is more accurate in time.
3. Through impurity interception filter equipment, the timing actuating mechanism that sets up, can carry out effective filtration to transformer circulation radiating air, the appearance of impurity sweeps is easy to strike on fan and transformer inner element when avoiding inside air circulation to dispel the heat, and then causes the problem of striking damage, and can clear up filtering component regularly, avoids impurity sweeps to gather the problem that influences the heat dissipation cycle on the filter face.
To sum up: the invention can quickly adjust the turns ratio of the secondary coil and the primary coil based on the change of the output voltage of the transformer, further maintain the stability of the output voltage, avoid the problem of overhigh or overlow output voltage, realize automatic stepless adjustment, enable the adjustment to be more timely and efficient, better meet the heat dissipation requirement, automatically trigger, enable the heat dissipation to be more accurate and timely, effectively filter the air circularly dissipated by the transformer, and avoid the problem that impurities and sweeps are easy to collide on fans and internal elements of the transformer when the internal air circularly dissipates, thereby causing collision damage.
Drawings
Fig. 1 is a schematic cross-sectional view of an adjustable transformer according to the present invention;
FIG. 2 is a schematic cross-sectional view of a displacement adjustment mechanism of an adjustable transformer according to the present invention;
fig. 3 is a schematic top sectional view of an electric connection mechanism of an adjustable transformer according to the present invention;
FIG. 4 is a schematic cross-sectional view of an output voltage monitoring feedback mechanism of an adjustable transformer according to the present invention;
FIG. 5 is a schematic cross-sectional view of a circulating heat dissipation mechanism of an adjustable transformer according to the present invention;
fig. 6 is a schematic structural diagram of a liquid cooling reinforced heat dissipation mechanism of an adjustable transformer according to the present invention;
fig. 7 is a schematic cross-sectional view of an impurity interception filtering mechanism of an adjustable transformer according to the present invention;
fig. 8 is a schematic cross-sectional view of a timing start mechanism of an adjustable transformer according to the present invention.
In the figure: 1 transformer main body, 2 displacement adjusting mechanism, 21 adjusting shell, 22 adjusting screw, 23 adjusting motor, 24 adjusting block, 25 extending block, 26 trigger head, 27 turn ratio too low trigger switch, 28 turn ratio too high trigger switch, 3 electric connecting mechanism, 31 lifting seat, 32 push-pull rod, 33 push-pull plate, 34 clamping seat, 35 first arc electric connection plate, 36 second arc electric connection plate, 37 movable cavity, 38 bearing plate, 39 middle block, 310 thrust electromagnetic plate, 311 thrust permanent magnet plate, 312 pull-back spring, 4 output voltage monitoring feedback mechanism, 41 monitoring shell, 42 voltage detecting component, 43 transmission rack, 44 transmission gear, 45 feedback shell, 46 forward electric connection block, 47 reverse electric connection block, 48 conductive block the device comprises a circulating heat dissipation mechanism 5, an exhaust fan 51, a blower 52, a circulating air pipe 53, a heat dissipation cylinder 54, a protective shell 55, a dustproof mesh cover 56, a liquid cooling reinforced heat dissipation mechanism 6, a spray pipe 61, a hollow annular buffer pipe 62, a water supply pipe 63, a pump 64, a refrigerating box 65, an electric refrigerating rod 66, an impurity interception filtering mechanism 7, a filtering shell 71, a filtering mesh plate 72, a reciprocating screw rod 73, a driving motor 74, a cleaning brush block 75, a bristle layer 76, a timing starting mechanism 8, a positioning round shell 81, a rotating shaft 82, an arc-shaped pressing head 83, a starting switch 84, a speed reducing motor 85, a left iron core 9, a right iron core 10, an upper iron yoke 11, a lower iron yoke 12, a primary coil 13, a secondary coil 14, a 15 wire inlet, a 16 wire outlet wire 17 power lines and a PLC controller 18.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
As shown in fig. 1-8, an adjustable transformer comprises a transformer main body 1, a left iron core 9 and a right iron core 10 are symmetrically arranged in the transformer main body 1, an upper iron yoke 11 and a lower iron yoke 12 are fixedly connected to the upper end and the lower end of the left iron core 9 and the right iron core 10, a primary coil 13 is externally wound on the left iron core 9, a secondary coil 14 is externally wound on the right iron core 10, an electric wire 15 and an electric wire 16 are arranged on the primary coil 13, power transmission lines 17 are respectively arranged at two ends of the secondary coil 14, a displacement adjusting mechanism 2 positioned at one side of the primary coil 13 is fixedly arranged on the inner wall of the transformer main body 1, the displacement adjusting mechanism 2 comprises an adjusting shell 21, an adjusting screw 22 which is vertically arranged is rotatably connected to the inner wall of the adjusting shell 21 through a bearing, an adjusting motor 23 is fixedly arranged at the upper end of the adjusting shell 21, an output end of the adjusting motor 23 is fixedly connected with the upper end of the adjusting screw 22, an adjusting block 24 is sleeved on one side of the adjusting block 24 in a threaded sleeve joint manner, an extending block 25 is fixedly connected to one side of the adjusting block 24, the extending block 25 penetrates through a through opening formed in the side wall of the adjusting shell 21, extends out of the turn number of turns, is fixedly connected to the inner wall of the adjusting block 24 and is fixedly connected to the lower end of the adjusting block 21 through the inner wall of the adjusting shell 21 and is fixedly connected to the lower end of the adjusting block 27 by a high-phase ratio trigger switch and is fixedly connected to the lower end of the adjusting mechanism through the lower end of the adjusting shell 27.
The output end of the displacement adjusting mechanism 2 is fixedly provided with an electric connection mechanism 3, the electric connection mechanism 3 comprises a lifting seat 31, a plurality of jacks are formed in the front side and the rear side of the lifting seat 31, push-pull rods 32 are movably sleeved in the corresponding jacks, one end, located outside the lifting seat 31, of each push-pull rod 32 is fixedly connected with one push-pull plate 33, the side wall of each push-pull plate 33 is fixedly connected with a clamping seat 34, a first arc-shaped electric connection plate 35 is fixedly embedded in the side wall of the lifting seat 31, a second arc-shaped electric connection plate 36 is fixedly embedded in the side wall of each clamping seat 34, adjacent ends of the first arc-shaped electric connection plate 35 and the second arc-shaped electric connection plate 36 are in electric contact, a movable cavity 37 is further formed in the lifting seat 31, one end, located inside the plurality of push-pull rods 32 on the same side, of each push-pull rod 32 extends into the movable cavity 37, one stress plate 38 is fixedly connected with the other, an intermediate block 39 is fixedly arranged in the center position of the inner wall of the lifting seat 31, two opposite sides of each intermediate block 39 are fixedly connected with a thrust electromagnetic plate 310, a permanent-magnet plate 311 is fixedly embedded in the side wall of each stress plate 38, and the side wall of each stress plate 38 is fixedly connected with a plurality of springs and the inner walls of the movable cavity 37 are fixedly connected with a plurality of pull rods 37.
The power feeding wire 15 is fixedly and electrically connected with the power receiving connecting mechanism 3, the power receiving connecting mechanism 3 is in abutting connection with and is arranged outside the primary coil 13, the output voltage monitoring feedback mechanism 4 electrically connected with the two power transmission lines 17 is fixedly arranged on the outer wall of the transformer main body 1, the output voltage monitoring feedback mechanism 4 comprises a monitoring shell 41, a voltage detection assembly 42 is fixedly arranged in the monitoring shell 41, the two power transmission lines 17 are respectively connected with the anode and the cathode of the voltage detection assembly 42 through tapping wires, a transmission rack 43 is further slidably arranged on the inner wall of the monitoring shell 41, a transmission gear 44 in meshed connection with the transmission rack 43 is fixedly connected with the output end of the voltage detection assembly 42, a feedback shell 45 positioned on the rear side of the transmission rack 43 is fixedly arranged on the inner wall of the monitoring shell 41, a forward electric connection block 46 and a reverse electric connection block 47 are symmetrically and fixedly arranged on the inner wall of the feedback shell 45, a conductive block 48 is fixedly arranged at the middle position of the rear side of the transmission rack 43, and a strip-shaped opening formed in the side wall of the monitoring shell 41 extends into the feedback shell 45.
The output voltage monitoring feedback mechanism 4 is electrically connected with the displacement regulating mechanism 2, the transformer main body 1 is further fixedly provided with a circulating heat dissipation mechanism 5, the circulating heat dissipation mechanism 5 comprises an exhaust fan 51 and a blower 52 which are symmetrically and fixedly embedded on the side wall of the transformer main body 1, the output end of the exhaust fan 51 and the input end of the blower 52 are communicated with one circulating air pipe 53, a heat dissipation cylinder 54 is arranged on the circulating air pipe 53, the outer wall of the transformer main body 1 is fixedly provided with a protective casing 55 sleeved outside the heat dissipation cylinder 54, and the side wall of the protective casing 55 is fixedly provided with a dust screen 56.
The upper end of the protective casing 55 is fixedly provided with a liquid cooling reinforced heat dissipation mechanism 6, the liquid cooling reinforced heat dissipation mechanism 6 comprises a plurality of spray pipes 61 fixedly sleeved on the upper end of the protective casing 55, the upper ends of the spray pipes 61 are fixedly communicated with one hollow annular buffer pipe 62, the hollow annular buffer pipe 62 is fixedly communicated with a water supply pipe 63, a pump 64 and a refrigerating box 65 are arranged on the water supply pipe 63, a plurality of electric refrigerating rods 66 are fixedly sleeved in the refrigerating box 65, and the side wall of the lower end of the protective casing 55 is fixedly communicated with a water return pipe.
The impurity interception filtering mechanism 7 is further arranged on the circulating air pipe 53, the impurity interception filtering mechanism 7 comprises a filtering shell 71, a filtering screen 72 is fixedly arranged in the filtering shell 71, a vertical reciprocating screw rod 73 is connected to the side of the inner wall of the filtering shell 71 through a bearing in a rotating mode, a driving motor 74 is fixedly arranged at the upper end of the filtering shell 71, the lower end output end of the driving motor 74 is fixedly connected with the upper end of the reciprocating screw rod 73, a cleaning brush block 75 is sleeved on a rod wall thread of the reciprocating screw rod 73, and a bristle layer 76 abutting against the filtering screen 72 is fixedly connected to the side wall of the cleaning brush block 75.
The outer wall of the filter shell 71 is also fixedly provided with a timing starting mechanism 8 electrically connected with the driving motor 74, the timing starting mechanism 8 comprises a positioning round shell 81, an arc pressing head 83 is rotatably connected to the center of the inner wall of the positioning round shell 81 through a rotating shaft 82, a starting switch 84 is fixedly arranged on one side of the inner wall of the positioning round shell 81, the outer wall of the positioning round shell 81 is fixedly provided with a gear motor 85, and the output end of the gear motor 85 is fixedly connected with one end of the rotating shaft 82.
The outer wall of the transformer main body 1 is also fixedly provided with a PLC controller 18, and the PLC controller 18 is electrically connected with the displacement adjusting mechanism 2, the electric connection mechanism 3, the output voltage monitoring feedback mechanism 4 and the circulating heat dissipation mechanism 5.
The principle of operation of the present invention will now be described as follows: the primary coil 13 and the secondary coil 14 are sleeved on the same closed iron core consisting of the left iron core 9, the right iron core 10, the upper iron yoke 11 and the lower iron yoke 12, the primary coil 13 is connected with an alternating current power supply, an alternating magnetic field is generated in the iron core by current, the magnetic field passes through the secondary coil 14 sleeved on the iron core, and induced electromotive force is generated at two ends of the secondary coil 14;
the output voltage of the transformer is fed back to the voltage detection assembly 42 through the two power lines 17, the voltage detection assembly 42 is of the existing voltmeter structure, a magnet and a wire coil are arranged in the voltage detection assembly 42, a magnetic field is generated by the coil after passing current, deflection occurs under the action of the magnet after the coil is electrified, the larger the current is, the larger the generated magnetic force is, the larger the swing of a pointer on the voltage detection assembly 42 is, under the condition that the output voltage is stable, the pointer of the voltage detection assembly 42 is positioned at the middle position, when the output voltage becomes high, the pointer of the voltage detection assembly 42 drives the transmission gear 44 to move upwards, the transmission rack 43 is driven to move upwards through the meshing action of the transmission gear 44 and the transmission rack 43, the transmission rack 43 drives the conductive block 48 to move in the feedback shell 45, the conductive block 48 is electrically contacted with the forward electric connection block 46, the conductive block 48 and the forward electric connection block 46 are connected in series with a forward power supply circuit of the regulating motor 23, so that the regulating motor 23 rotates forward, the regulating motor 23 drives the regulating screw 22 to rotate forward, the regulating screw 22 and the regulating block 24 are in threaded sleeve joint, the regulating block 24 is matched with the extending block 25 to drive the electric connection mechanism 3 to move upwards, the turn-in number of the primary coil 13 is increased, the turn ratio of the secondary coil 14 to the primary coil 13 is reduced, the output voltage of the transformer is relatively reduced until the conductive block 48 moves between the forward electric connection block 46 and the reverse electric connection block 47 again, the action of the regulating motor 23 is stopped, otherwise, when the output voltage is reduced, the transmission rack 43 moves downwards, the conductive block 48 contacts with the reverse electric connection block 47, the regulating motor 23 rotates reversely, the electric connection mechanism 3 moves downwards, the turn-in number of the primary coil 13 is reduced, the turns ratio of the secondary coil 14 and the primary coil 13 is improved, the turns ratio of the secondary coil 14 and the primary coil 13 can be quickly adjusted based on the change of the output voltage of the transformer, so that the stability of the output voltage is maintained, the problem that the output voltage is too high or too low is avoided, automatic stepless adjustment can be realized, and the adjustment is more timely and efficient;
when the conducting block 48 contacts the forward electric connection block 46 or the reverse electric connection block 47 to drive the regulating motor 23 to act, feedback signals are fed back to the PLC controller 18, the PLC controller 18 controls the power supply equipment to supply power to the thrust electromagnetic plate 310, the thrust electromagnetic plate 310 is electrified to generate magnetism which is the same as that of the opposite surface of the thrust permanent magnetic plate 311, further, the stress plate 38 is matched with the push-pull rod 32 to drive the push-pull plate 33 to overcome the elasticity of the return spring 312 to move outwards, the clamping seat 34 drives the second arc-shaped electric connection plate 36 to be separated from contact with the primary coil 13, the first arc-shaped electric connection plate 35 is only contacted with the primary coil 13, the friction resistance between the electric connection mechanism 3 and the primary coil 13 is reduced when the regulating position is needed, the regulation is more convenient, the problem that the primary coil 13 is damaged due to excessive contact area is avoided easily caused, and when the conducting block 48 is moved between the forward electric connection block 46 and the reverse electric connection block 47 again, the electric signal regulated by the PLC controller 18 is not provided with the regulation, the power supply to the thrust electromagnetic plate 310 is disconnected, the second arc-shaped electric connection plate 36 is contacted with the primary coil 13 again under the action of the return spring 312, and the stability is ensured.
When the transformer works normally, the exhaust fan 51 and the blower 52 form a stable radiating air channel in the transformer main body 1 in cooperation with the circulating air pipe 53, the heat-exchanged air is subjected to further heat exchange and cooling with the external environment in cooperation with the radiating cylinder 54, the transformer main body 1 is subjected to efficient radiating work, the side wall of the protective sleeve shell 55 arranged outside the radiating cylinder 54 is provided with the dustproof net cover 56, and the problem that most dust impurities act on the radiating cylinder 54 to form thermal resistance so as to influence the radiating quality of the radiating cylinder 54 under the condition that the radiating cylinder 54 is stably radiated by air circulation is ensured;
when the turn-in number of the primary coil 13 is regulated according to the output voltage, and abnormal temperature rise caused by too high or too low turn ratio of the secondary coil 14 and the primary coil 13 after regulation occurs, the regulating block 24 drives the trigger head 26 to move at the end part of the regulating shell 21, so that the trigger head 26 acts on the trigger switch 27 with too low turn ratio or the trigger switch 28 with too high turn ratio, at the moment, a feedback signal is supplied to the PLC controller 18, the PLC controller 18 controls the power supply equipment to supply higher-voltage current to the exhaust fan 51 and the blower 52 firstly, because the blower 52 and the exhaust fan 51 are both direct-current motors, the power of the exhaust fan 51 and the blower 52 is higher, a faster heat dissipation air duct is formed for dissipating heat of the transformer main body 1, the PLC 18 synchronously starts the pump 64 and the electric refrigerating rod 66, the pump 64 is matched with the water supply pipe 63 to supply water to the refrigerating box 65 and the hollow annular buffer tube 62, then the cooling liquid is acted outside the cooling cylinder 54 through the plurality of spray pipes 61, the cooling cylinder 54 is assisted to perform more efficient heat exchange and heat dissipation, the flowing cooling liquid is recycled through the water return pipe on the side wall of the bottom of the protective sleeve shell 55, the transformer can be efficiently dissipated, the influence on the stable use of the transformer caused by excessive heat accumulation is avoided, in addition, when abnormal temperature rise is caused by overhigh or overlow turn ratio caused by adjusting the turn ratio of the secondary coil 14 and the primary coil 13, rapid reaction is further enhanced to dissipate heat, the heat dissipation requirement can be better met, automatic triggering is realized, and the heat dissipation is more accurate and timely;
the filter screen plate 72 in the filter shell 71 can say that impurities and waste scraps carried by circulating air in the circulating air pipe 53 can be effectively intercepted on the surface of the filter screen plate 72, the problem that impurities and waste scraps are easy to collide on internal elements of a fan and a transformer when internal air is used for circulating heat dissipation, and further collision damage is caused is avoided, the PLC controller 18 simultaneously starts a gear motor 85 when the exhaust fan 51 and the blower 52 work, the gear motor 85 drives an arc-shaped pressing head 83 to move in the positioning circular shell 81 through a rotating shaft 82, when the arc-shaped pressing head 83 acts on a starting switch 84, the PLC controller 18 controls the driving motor 74 to act, the driving motor 74 drives the reciprocating screw rod 73 to rotate, the cleaning brush block 75 drives the bristle layer 76 to move back and forth on the surface of the filter screen plate 72 through the threaded sleeve joint action of the reciprocating screw rod 73 and the cleaning brush block 75, and then push the impurity sweeps that filter screen plate 72 surface gathered to the avris of filter screen plate 72, realize carrying out the timing clearance to filter module, avoid impurity sweeps to gather and stop up whole circulation channel on the filter face, and then influence the problem of heat dissipation circulation, this clear interval time is 4h, and when adjusting the turns ratio of secondary coil 14 and primary coil 13 and causing the turns ratio too high or too low and the unusual intensification that causes, PLC controller 18 control power supply unit provides the power supply of bigger voltage to air exhauster 51 and hair-dryer 52 and also provides the power supply of bigger voltage to gear motor 85 simultaneously, and then shorten the time that arc press head 83 acted on start-up switch 84, and then shorten the interval time to the clearance of filter screen plate 72, can adapt the fan operating rate and carry out effectual adjustment to clean frequency.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.

Claims (8)

1. The utility model provides an adjustable transformer, includes transformer main part (1), its characterized in that, left iron core (9) and right iron core (10) are installed to transformer main part (1) internal symmetry, the upper and lower both ends fixedly connected with of left iron core (9) and right iron core (10) go up iron yoke (11) and lower iron yoke (12), left iron core (9) are externally wound and are equipped with primary coil (13), right iron core (10) are externally wound and are equipped with secondary coil (14), install into electric wire (15) and play electric wire (16) on primary coil (13), power transmission line (17) are all installed at the both ends of secondary coil (14), displacement adjustment mechanism (2) are located primary coil (13) one side are installed to the inner wall fixed mounting of transformer main part (1), the output end fixed mounting of displacement adjustment mechanism (2) is equipped with and is connected electric connection mechanism (3), electric connection mechanism (3) are contradicted with electric connection mechanism (3), install outside primary coil (13) outward, power transmission line (1) is equipped with the displacement adjustment mechanism (2) of electric power transmission line (4) output voltage (4) and is connected with the output voltage feedback mechanism (4), the transformer is characterized in that a circulating heat dissipation mechanism (5) is fixedly arranged on the transformer main body (1), a PLC (programmable logic controller) (18) is fixedly arranged on the outer wall of the transformer main body (1), and the PLC (18) is electrically connected with the displacement adjusting mechanism (2), the electric connection mechanism (3), the output voltage monitoring feedback mechanism (4) and the circulating heat dissipation mechanism (5).
2. The adjustable transformer according to claim 1, wherein the displacement adjusting mechanism (2) comprises an adjusting shell (21), an adjusting screw (22) vertically arranged is rotatably connected to the inner wall of the adjusting shell (21) through a bearing, an adjusting motor (23) is fixedly arranged at the upper end of the adjusting shell (21), the lower end output end of the adjusting motor (23) is fixedly connected with the upper end of the adjusting screw (22), an adjusting block (24) is sleeved on the rod wall of the adjusting screw (22) through threads, an extending block (25) is fixedly connected to one side of the adjusting block (24), the extending block (25) penetrates out of the adjusting shell (21) through a strip-shaped through hole formed in the side wall of the adjusting shell (21), and is fixedly connected to the rear end of the electric connecting mechanism (3), a trigger head (26) is fixedly connected to the rear side of the adjusting block (24), and an excessively low trigger switch (27) and an excessively high-turn number trigger switch (28) are fixedly connected to the rear side of the inner wall of the adjusting shell (21) in an up-down symmetrical mode.
3. The adjustable transformer according to claim 1, wherein the electrical connection mechanism (3) comprises a lifting seat (31), a plurality of jacks are respectively formed in front and rear sides of the lifting seat (31), push-pull rods (32) are movably sleeved in the corresponding jacks, one ends of the push-pull rods (32) located on the same side outside the lifting seat (31) are fixedly connected with the same push-pull plate (33), side walls of the push-pull plate (33) are fixedly connected with clamping seats (34), side walls of the lifting seat (31) are fixedly embedded with first arc-shaped electrical connection plates (35), side walls of the clamping seats (34) are fixedly embedded with second arc-shaped electrical connection plates (36), adjacent ends of the first arc-shaped electrical connection plates (35) and the second arc-shaped electrical connection plates (36) are electrically contacted, movable cavities (37) are further formed in the lifting seat (31), one ends of the push-pull rods (32) located on the same side extend into the movable cavities (37) and are fixedly connected with the same lifting plate (38), the middle magnetic connection plates (39) are fixedly embedded in the middle of the two sides of the middle magnetic connection plates (39), the side wall of the stress plate (38) and the inner wall of the movable cavity (37) are fixedly connected with a plurality of pull-back springs (312) sleeved outside the push-pull rod (32).
4. The adjustable transformer according to claim 1, wherein the output voltage monitoring feedback mechanism (4) comprises a monitoring shell (41), a voltage detection assembly (42) is fixedly arranged in the monitoring shell (41), two power transmission lines (17) are respectively connected with the positive electrode and the negative electrode of the voltage detection assembly (42) through tapping wires, a transmission rack (43) is further slidably arranged on the inner wall of the monitoring shell (41), a transmission gear (44) in meshed connection with the transmission rack (43) is fixedly connected with the output end of the voltage detection assembly (42), a feedback shell (45) positioned on the rear side of the transmission rack (43) is fixedly arranged on the inner wall of the monitoring shell (41), a forward electric connection block (46) and a reverse electric connection block (47) are symmetrically and fixedly arranged on the inner wall of the feedback shell (45), a conductive block (48) is fixedly arranged on the middle position of the rear side of the transmission rack (43), and the conductive block (48) stretches into the feedback shell (45) through an opening formed in the side wall of the monitoring shell (41).
5. The adjustable transformer according to claim 1, wherein the circulating heat dissipation mechanism (5) comprises an exhaust fan (51) and a blower (52) which are symmetrically and fixedly embedded on the side wall of the transformer main body (1), the same circulating air pipe (53) is communicated between the output end of the exhaust fan (51) and the input end of the blower (52), a heat dissipation cylinder (54) is arranged on the circulating air pipe (53), a protective casing (55) with a cover sleeved outside the heat dissipation cylinder (54) is fixedly arranged on the outer wall of the transformer main body (1), a dust screen (56) is fixedly arranged on the side wall of the protective casing (55), a liquid cooling reinforced heat dissipation mechanism (6) is fixedly arranged at the upper end of the protective casing (55), and an impurity interception and filtration mechanism (7) is further arranged on the circulating air pipe (53).
6. The adjustable transformer according to claim 5, wherein the liquid cooling reinforced heat dissipation mechanism (6) comprises a plurality of spray pipes (61) fixedly sleeved on the upper ends of the protective casings (55), the upper ends of the spray pipes (61) are fixedly communicated with one hollow annular buffer pipe (62), a water supply pipe (63) is fixedly communicated with the hollow annular buffer pipe (62), a pump (64) and a refrigerating box (65) are arranged on the water supply pipe (63), a plurality of electric refrigerating rods (66) are fixedly sleeved in the refrigerating box (65), and a water return pipe is fixedly communicated with the side wall of the lower end of the protective casing (55).
7. The adjustable transformer according to claim 5, wherein the impurity interception filtering mechanism (7) comprises a filtering shell (71), a filtering screen plate (72) is fixedly arranged in the filtering shell (71), a vertically arranged reciprocating screw rod (73) is rotatably connected to the side of the inner wall of the filtering shell (71) through a bearing, a driving motor (74) is fixedly arranged at the upper end of the filtering shell (71), the lower end output end of the driving motor (74) is fixedly connected with the upper end of the reciprocating screw rod (73), a cleaning brush block (75) is sleeved on a rod wall thread of the reciprocating screw rod (73), a bristle layer (76) abutting against the filtering screen plate (72) is fixedly connected to the side wall of the cleaning brush block (75), and a timing starting mechanism (8) electrically connected with the driving motor (74) is fixedly arranged on the outer wall of the filtering shell (71).
8. The adjustable transformer according to claim 7, wherein the timing starting mechanism (8) comprises a positioning round shell (81), an arc pressing head (83) is rotatably connected to the center of the inner wall of the positioning round shell (81) through a rotating shaft (82), a starting switch (84) is fixedly arranged on one side of the inner wall of the positioning round shell (81), a gear motor (85) is fixedly arranged on the outer wall of the positioning round shell (81), and the output end of the gear motor (85) is fixedly connected with one end of the rotating shaft (82).
CN202311800977.7A 2023-12-26 2023-12-26 Adjustable transformer Active CN117524634B (en)

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CN118039318A (en) * 2024-04-11 2024-05-14 中宝电气有限公司 High-voltage regulator and voltage regulating method thereof
CN118039318B (en) * 2024-04-11 2024-06-11 中宝电气有限公司 High-voltage regulator and voltage regulating method thereof

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