CN207623821U - A kind of new automatic AC servo formula pressure regulator control circuit - Google Patents
A kind of new automatic AC servo formula pressure regulator control circuit Download PDFInfo
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- CN207623821U CN207623821U CN201820028260.3U CN201820028260U CN207623821U CN 207623821 U CN207623821 U CN 207623821U CN 201820028260 U CN201820028260 U CN 201820028260U CN 207623821 U CN207623821 U CN 207623821U
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Abstract
The utility model discloses a kind of new automatic AC servo formula pressure regulator control circuits, including alternating voltage incoming line, alternating voltage outlet line, zero curve, bucking coil, voltage regulation coil, sampling comparison control circuit, servo motor and carbon brush for adjusting output voltage for carrying out sampling comparison to output voltage.The utility model can carry out sampling comparison to output voltage in time; and according to the comparison with output voltage a reference value come control servomotor driving carbon brush action; to change the voltage of the armature winding of bucking coil by the wire circle of the secondary windings of adjusting voltage regulation coil; further the voltage magnitude and polarity of the secondary windings of bucking coil are adjusted; achieve the purpose that the quick and stable of output voltage is adjusted; it protects equipment to be damaged from fluctuation voltage, delays the service life of equipment.
Description
Technical field
The utility model is related to a kind of regulator, especially a kind of new automatic AC servo formula pressure regulator control electricity
Road.
Background technology
Currently, with the fast development of society, electrical equipment is growing day by day, but the aging of electrical power distribution facility and development are stagnant
Afterwards, and the reasons such as the bad and electricity shortage of design can be easy to cause the too low of terminal temperature difference voltage, and the end of a thread user is then frequent
Voltage is higher, the high and new technology and precision equipment stringent to voltage request is especially to electrical equipment, such as：Large medical equipment
(precision instrument, X-ray machine, CT, nuclear-magnetism etc.), numerically-controlled machine tool, communication apparatus, building electricity consumption etc., like a not timing bomb.No
Stable voltage can make equipment cause mortal injury or malfunction, influence to produce, and cause delivery date delay, quality unstable etc. more
Aspect is lost, while the aging of acceleration equipment, influence service life even burn accessory, and user is made to face the puzzlement to need repairing
Or in a short time will more new equipment, waste of resource even can occur safety accident if serious, cause immeasurable loss.
Utility model content
To solve the above problems, the purpose of this utility model is to provide a kind of new automatic AC servo formula pressure regulators
Control circuit can carry out output voltage quick and stable adjustment, and accuracy is high, can protect equipment not because of the wave of input voltage
It moves and damages, be capable of the service life of delay apparatus.
Technical solution used by the invention for solving the technical problem is：
A kind of new automatic AC servo formula pressure regulator control circuit, it is characterised in that：Including alternating voltage input line
Road, alternating voltage outlet line, zero curve, bucking coil, voltage regulation coil, the sampling rate for carrying out sampling comparison to output voltage
Servo motor and carbon brush compared with control circuit, for adjusting output voltage；One end of the armature winding of the voltage regulation coil connects
To alternating voltage outlet line, the other end is connected to zero curve, and the secondary windings of the voltage regulation coil is connected to the first of bucking coil
Grade winding, one end of the secondary windings of the bucking coil are connected to alternating voltage incoming line, and the other end is connected to alternating current
Outlet line is pressed, is also attached by sampling comparison control circuit between the alternating voltage outlet line and zero curve, it is described
Sampling comparison control circuit also passes sequentially through servo motor and carbon brush is connected to the secondary windings of voltage regulation coil.
Further, the alternating voltage incoming line includes A phase alternating voltages incoming line, the input of B phase alternating voltages
Circuit and C phase alternating voltage incoming lines, the alternating voltage outlet line include that A phase alternating voltages outlet line, B phases exchange
Voltage output lines and C phase alternating voltage outlet lines, the bucking coil include A phases bucking coil, B phases bucking coil and C
Phase bucking coil, the voltage regulation coil include A phases voltage regulation coil, B phases voltage regulation coil and C phase voltage regulation coils, and the sampling is compared
Control circuit includes that A phases sample comparison control circuit, B phases sample comparison control circuit and sample comparison control circuit with C phases, described
Servo motor includes A phase servos motor, B phase servos motor and C phase servo motors, and the carbon brush includes A phases carbon brush, B phase carbon brush
With C phase carbon brush；One end of the armature winding of the A phases voltage regulation coil is connected to A phase alternating voltage outlet lines, other end connection
To zero curve, the secondary windings of the A phases voltage regulation coil is connected to the armature winding of A phase bucking coils, the A phases bucking coil
One end of secondary windings is connected to A phase alternating voltage incoming lines, and the other end is connected to A phase alternating voltage outlet lines, the A
Also comparison control circuit is sampled between phase alternating voltage outlet line and zero curve by A phases to be attached, the A phases, which sample, to be compared
Control circuit also passes sequentially through A phase servos motor and A phase carbon brush is connected to the secondary windings of A phase voltage regulation coils；The B phases pressure regulation
One end of the armature winding of coil is connected to B phase alternating voltage outlet lines, and the other end is connected to zero curve, the B phases line pressure regulator
The secondary windings of circle is connected to the armature winding of B phase bucking coils, and one end of the secondary windings of the B phases bucking coil is connected to
B phase alternating voltage incoming lines, the other end are connected to B phase alternating voltage outlet lines, the B phases alternating voltage outlet line and
Also comparison control circuit is sampled between zero curve by B phases to be attached, the B phases sample comparison control circuit and also pass sequentially through B
Phase servo motor and B phase carbon brush are connected to the secondary windings of B phase voltage regulation coils；The one of the armature winding of the C phases voltage regulation coil
End is connected to C phase alternating voltage outlet lines, and the other end is connected to zero curve, and the secondary windings of the C phases voltage regulation coil is connected to C
One end of the armature winding of phase bucking coil, the secondary windings of the C phases bucking coil is connected to C phase alternating voltage input lines
Road, the other end are connected to C phase alternating voltage outlet lines, also pass through C phases between the C phases alternating voltage outlet line and zero curve
Sampling comparison control circuit is attached, and the C phases sample comparison control circuit and also pass sequentially through C phase servos motor and C phase carbon
Brush is connected to the secondary windings of C phase voltage regulation coils.
Further, the A phases sample comparison control circuit and include A phases sample circuit, A commutating phases regulator circuit and be used for
The A phase comparing circuits that sampling voltage and reference voltage are compared lead between the A phases alternating voltage outlet line and zero curve
It crosses A phase sample circuits to be attached, the output end of the A phases sample circuit is connected to A commutating phase regulator circuits, and the A phases are whole
The output end of stream regulator circuit is connected to A phase servo motors by A phase comparing circuits；The B phases sample comparison control circuit packet
B phases sample circuit, B commutating phases regulator circuit and the B phase comparing circuits for comparing sampling voltage and reference voltage are included,
Be attached by B phase sample circuits between the B phases alternating voltage outlet line and zero curve, the B phases sample circuit it is defeated
Outlet is connected to B commutating phase regulator circuits, and the output end of the B commutating phases regulator circuit is connected to B phases by B phase comparing circuits
Servo motor；The C phases sample comparison control circuit and include C phases sample circuit, C commutating phases regulator circuit and be used to that electricity will to be sampled
The C phase comparing circuits that pressure and reference voltage are compared, are taken between the C phases alternating voltage outlet line and zero curve by C phases
Sample circuit is attached, and the output end of the C phases sample circuit is connected to C commutating phase regulator circuits, the C commutating phases voltage stabilizing electricity
The output end on road is connected to C phase servo motors by C phase comparing circuits.
Further, further include breaker, the breaker includes A phases breaker, B phases breaker and C phase breakers, institute
A phase breakers are stated on A phase alternating voltage incoming lines, the B phases breaker is mounted on B phase alternating voltage incoming lines
On, the C phases breaker is mounted on C phase alternating voltage incoming lines, the A phases breaker, B phases breaker and C phase open circuits
Device is attached by the way of mechanical linkage.
Further, further include relay and contactor for protecting electrical equipment, the relay includes A phase relays
Device, B phase relays and C phase relays；The coil of the A phase relays is connected to A phases and samples comparison control circuit, the A phases
One end of the contact switch of relay is connected to A phase alternating voltage outlet lines, and the other end is connected to by the coil of contactor
Zero curve；The coil of the B phase relays is connected to B phases and samples comparison control circuit, and the one of the contact switch of the B phase relays
End is connected to B phase alternating voltage outlet lines, and the other end is connected to zero curve by the coil of contactor；The C phase relays
Coil is connected to C phases and samples comparison control circuit, and one end of the contact switch of the C phase relays is connected to C phase alternating voltages
Outlet line, the other end are connected to zero curve by the coil of contactor；The contactor includes that A phases contact switch, B phases contact are opened
It closes and C phase contact switch, the A phases contact switch is mounted on A phase alternating voltage outlet lines, the B phases contact switch installation
In B phase alternating voltage outlet lines, the C phases contact switch is mounted on C phase alternating voltage outlet lines, and A phases contact is opened
It closes, B phases contact switch and C phase contact switch are attached by the way of mechanical linkage；It opens the contact of the A phase relays
The contact switch of pass, the contact switch of B phase relays and B phase relays is normally opened contact switch, the A phases contact of the contactor
Switch, B phases contact switch and C phase contact switch switch for normally-closed contact.
Further, further include ammeter for showing outlet line electric current, the ammeter includes A phase currents table, B
Phase current table and C phase current tables, the A phase currents table are mounted on A phase alternating voltage outlet lines, the B phase currents table peace
On B phase alternating voltage outlet lines, the C phase currents table is mounted on C phase alternating voltage outlet lines.
Further, further include voltage change-over switch and voltmeter for measuring three-phase voltage, the voltmeter passes through
It is defeated that voltage change-over switch is respectively connected to A phase alternating voltages outlet line, B phase alternating voltage outlet lines and C phase alternating voltages
Go out circuit.
Further, the alternating voltage incoming line is single-phase AC voltage incoming line, the alternating voltage output
Circuit is single-phase AC voltage outlet line, and the bucking coil is single-phase bucking coil, and the voltage regulation coil is single-phase voltage regulating
Coil, the sampling comparison control circuit are single-phase sampling comparison control circuit, and the servo motor is single-phase servo motor, institute
It is single-phase carbon brush to state carbon brush；One end of the armature winding of the single-phase voltage regulating coil is connected to single-phase AC voltage outlet line,
The other end is connected to zero curve, and the secondary windings of the single-phase voltage regulating coil is connected to the armature winding of single-phase bucking coil, described
One end of the secondary windings of single-phase bucking coil is connected to single-phase AC voltage incoming line, and the other end is connected to single-phase alternating current
Outlet line is pressed, is also connected by single-phase sampling comparison control circuit between the single-phase AC voltage outlet line and zero curve
It connects, the single-phase sampling comparison control circuit also passes sequentially through single-phase servo motor and single-phase carbon brush is connected to single-phase voltage regulating coil
Secondary windings.
Further, the single-phase sampling comparison control circuit include single-phase sample circuit, single-phase rectifier regulator circuit and
Single-phase comparison circuit for comparing sampling voltage and reference voltage, the single-phase AC voltage outlet line and zero curve
Between be attached by single-phase sample circuit, the output end of the single-phase sample circuit is connected to single-phase rectifier regulator circuit,
The output end of the single-phase rectifier regulator circuit is connected to single-phase servo motor by single-phase comparison circuit.
Further, further include breaker, the breaker is single-phase circuit breaker, and the single-phase circuit breaker is mounted on single-phase
On alternating voltage incoming line.
Further, further include relay and contactor for protecting electrical equipment, the relay is single-phase relay
Device；The coil of the one-phase relay is connected to single-phase sampling comparison control circuit, the contact switch of the one-phase relay
One end is connected to single-phase AC voltage outlet line, and the other end is connected to zero curve by the coil of contactor；The contactor
Contact switch is mounted on single-phase AC voltage outlet line；The contact switch of the one-phase relay is normally opened contact switch, institute
The contact switch of contactor is stated to switch for normally-closed contact.
Further, further include ammeter for showing outlet line electric current, the ammeter is single-phase electricity flow table, institute
Single-phase electricity flow table is stated on single-phase AC voltage outlet line.
Further, further include voltmeter for measuring single-phase voltage, the voltmeter is single-phase voltage table, the list
One end of phase voltage table is connected to single-phase AC voltage outlet line, and the other end is connected to zero curve.
The utility model has the beneficial effects that：A kind of new automatic AC servo formula pressure regulator that the utility model uses
Control circuit, including alternating voltage incoming line, alternating voltage outlet line, zero curve, bucking coil, voltage regulation coil, for pair
Output voltage carries out sampling comparison control circuit, the servo motor and carbon brush for adjusting output voltage of sampling comparison.This reality
Can sampling comparison be carried out to output voltage in time with novel, and servo electricity is controlled according to the comparison with output voltage a reference value
Machine drives carbon brush action, to the wire circle of the secondary windings by adjusting voltage regulation coil change bucking coil it is primary around
The voltage of group, is further adjusted the voltage magnitude and polarity of the secondary windings of bucking coil, has reached output voltage
The purpose that quick and stable is adjusted protects equipment to be damaged from fluctuation voltage, delays the service life of equipment.
Description of the drawings
The utility model is described in further detail with example below in conjunction with the accompanying drawings.
Fig. 1 is a kind of overall circuit principle frame of new automatic AC servo formula pressure regulator control circuit of the utility model
Figure；
Fig. 2 is a kind of circuit of the three-phase structure of new automatic AC servo formula pressure regulator control circuit of the utility model
Functional block diagram；
Fig. 3 is a kind of circuit of the phase structure of new automatic AC servo formula pressure regulator control circuit of the utility model
Functional block diagram.
Specific implementation mode
- Fig. 3 referring to Fig.1, a kind of new automatic AC servo formula pressure regulator control circuit of the utility model.
Referring to Fig.1, the overall circuit of a kind of new automatic AC servo formula pressure regulator control circuit of the utility model
Functional block diagram, including alternating voltage incoming line 111, alternating voltage outlet line 112, zero curve 113, bucking coil 121, pressure regulation
Coil 122, for output voltage carry out sampling comparison sampling comparison control circuit 130, for adjusting watching for output voltage
Take motor 140 and carbon brush 150；One end of the armature winding of the voltage regulation coil 122 is connected to alternating voltage outlet line 112,
The other end is connected to zero curve 113, and the secondary windings of the voltage regulation coil 122 is connected to the armature winding of bucking coil 121, described
One end of the secondary windings of bucking coil 121 is connected to alternating voltage incoming line 111, and the other end is connected to alternating voltage output
Circuit 112 is also connected by sampling comparison control circuit 130 between the alternating voltage outlet line 112 and zero curve 113
It connects, the sampling comparison control circuit 130 also passes sequentially through servo motor 140 and carbon brush 150 is connected to time of voltage regulation coil 122
Grade winding.
During operation, the sampling comparison control circuit 130 can be to the output electricity in alternating voltage outlet line 112
Pressure is sampled, then by the sampled value of output voltage compared with the progress size comparison of a reference value of the output voltage of setting.When defeated
When going out the sampled value of voltage in the error range of a reference value of output voltage, then servo motor 140 does not make any action；When defeated
When going out the error range of a reference value of the sampled value beyond output voltage of voltage, the sampling comparison control circuit 130 can respond
Output control signals to servo motor 140, the servo motor 140 can respond driving carbon brush and be acted, it is appropriate increase or
Reduce voltage regulation coil 122 secondary windings wire circle, to change voltage regulation coil 122 secondary windings both ends voltage,
Since the both ends of the secondary windings of voltage regulation coil 122 are connected to the armature winding of bucking coil 121, bucking coil 121
The voltage at armature winding both ends also changes correspondingly, and is also obtained to the voltage magnitude and polarity of the secondary windings of bucking coil 121
Change, has finally reached the purpose that the quick and stable of output voltage is adjusted, protected equipment to be damaged from fluctuation voltage, delay
The service life of equipment.
With reference to Fig. 2, the first embodiment, a kind of new automatic AC servo formula pressure regulator control of the utility model
The schematic block circuit diagram of the three-phase structure of circuit.
Further, the alternating voltage incoming line 111 includes A phase alternating voltages incoming line 211, B phase alternating currents
It includes A phase alternating voltages to press incoming line 311 and C phase alternating voltages incoming line 411, the alternating voltage outlet line 112
Outlet line 212, B phase alternating voltages outlet line 312 and C phase alternating voltages outlet line 412, the bucking coil 121 wrap
A phases bucking coil 221, B phases bucking coil 321 and C phases bucking coil 421 are included, the voltage regulation coil 122 includes A phase line pressure regulators
Circle 222, B phases voltage regulation coil 322 and C phases voltage regulation coil 422, the sampling comparison control circuit 130 is sampled including A phases compares control
Circuit processed, B phases sample comparison control circuit and sample comparison control circuit with C phases, and the servo motor 140 includes A phase servo electricity
Machine 240, B phase servos motor 340 and C phase servos motor 440, the carbon brush 150 include A phases carbon brush 250, B phases carbon brush 350 and C
Phase carbon brush 450；One end of the armature winding of the A phases voltage regulation coil 222 is connected to A phase alternating voltages outlet line 212, another
End is connected to zero curve 113, and the secondary windings of the A phases voltage regulation coil 222 is connected to the armature winding of A phases bucking coil 221, institute
The one end for stating the secondary windings of A phases bucking coil 221 is connected to A phase alternating voltages incoming line 211, and the other end is connected to A phases
Alternating voltage outlet line 212 is also sampled by A phases between the A phases alternating voltage outlet line 212 and zero curve 113 and is compared
Control circuit is attached, and the A phases sample comparison control circuit and also pass sequentially through A phase servos motor 240 and A phases carbon brush 250
It is connected to the secondary windings of A phases voltage regulation coil 222；One end of the armature winding of the B phases voltage regulation coil 322 is connected to B intersections
Voltage output lines 312 are flowed, the other end is connected to zero curve 113, and the secondary windings of the B phases voltage regulation coil 322 is connected to B phases and mends
The armature winding of coil 321 is repaid, one end of the secondary windings of the B phases bucking coil 321 is connected to B phase alternating voltage input lines
Road 311, the other end are connected to B phase alternating voltages outlet line 312, the B phases alternating voltage outlet line 312 and zero curve 113
Between comparison control circuit also sampled by B phases be attached, the B phases, which sample comparison control circuit and also pass sequentially through B phases, to be watched
It takes motor 340 and B phases carbon brush 350 is connected to the secondary windings of B phases voltage regulation coil 322；The primary of the C phases voltage regulation coil 422
One end of winding is connected to C phase alternating voltages outlet line 412, and the other end is connected to zero curve 113, the C phases voltage regulation coil 422
Secondary windings be connected to the armature winding of C phases bucking coil 421, one end of the secondary windings of the C phases bucking coil 421 connects
It is connected to C phase alternating voltages incoming line 411, the other end is connected to C phase alternating voltages outlet line 412, the C phases alternating voltage
Also comparison control circuit is sampled between outlet line 412 and zero curve 113 by C phases to be attached, the C phases, which sample, compares control
Circuit also passes sequentially through C phase servos motor 440 and C phases carbon brush 450 is connected to the secondary windings of C phases voltage regulation coil 422.By this reality
With new application in three-phase circuit structure, independent effective adjusting can be all made to the output voltage of each phase.
Further, it includes A phases sample circuit 231, A commutating phases regulator circuit 232 that the A phases, which sample comparison control circuit,
With the A phase comparing circuits 233 for comparing sampling voltage and reference voltage, the A phases alternating voltage outlet line 213
It is attached by A phases sample circuit 231 between zero curve 113, it is whole that the output end of the A phases sample circuit 231 is connected to A phases
Regulator circuit 232 is flowed, the output end of the A commutating phases regulator circuit 232 is connected to A phase servo electricity by A phase comparing circuits 233
Machine 240；It includes B phases sample circuit 331, B commutating phases regulator circuit 332 and for that will take that the B phases, which sample comparison control circuit,
The B phase comparing circuits 333 that sample voltage and reference voltage are compared, the B phases alternating voltage outlet line 312 and zero curve 113
Between be attached by B phases sample circuit 331, the output end of the B phases sample circuit 331 is connected to B commutating phases voltage stabilizing electricity
The output end on road 332, the B commutating phases voltage stabilizing electricity 332 is connected to B phase servos motor 340 by B phase comparing circuits 333；It is described
C phases sample comparison control circuit and include C phases sample circuit 431, C commutating phases regulator circuit 432 and be used for sampling voltage and base
The C phase comparing circuits 433 that quasi- voltage is compared pass through C phases between the C phases alternating voltage outlet line 412 and zero curve 113
Sample circuit 431 is attached, and the output end of the C phases sample circuit 431 is connected to C commutating phases regulator circuit 432, the C
The output end of commutating phase regulator circuit 432 is connected to C phase servos motor 440 by C phase comparing circuits 433.Each phase takes
Sample circuit can sample the output voltage of each phase, and carry out rectifying and voltage-stabilizing processing by regulator rectifier circuit, obtain defeated
Go out voltage sample value and export to comparison circuit, the comparison circuit can by output voltage sampled value and output voltage a reference value into
Row compares, and relatively carbon brush is driven come response control servo motor according to the size of sampled value and a reference value, to voltage regulation coil
The wire circle of armature winding be adjusted, to realize that the independent of output voltage of each phase effective is adjusted.
Further, further include breaker, the breaker includes that A phases breaker 260, B phases breaker 360 break with C phases
Road device 460, the A phases breaker 260 are mounted in A phase alternating voltages input line 211, and the B phases breaker 360 is mounted on B
On phase alternating voltage incoming line 311, the C phases breaker 460 is mounted on C phase alternating voltages incoming line 411, the A
Phase breaker 260, B phases breaker 360 and C phases breaker 460 are attached by the way of mechanical linkage.In order to emergent or
Cut-out power supply, correspondingly installs breaker, the open circuit respectively on the alternating voltage incoming line of each phase when person overhauls
Device is attached by the way of mechanical linkage, can cut off the power supply with restoring circuit simultaneously.
Further, further include relay and contactor for protecting electrical equipment, the relay includes A phase relays
Device, B phase relays and C phase relays；The coil 271 of the A phase relays is connected to A phases and samples comparison control circuit, the A
One end of the contact switch 272 of phase relay is connected to A phase alternating voltages outlet line 212, the line that the other end passes through contactor
Circle 510 is connected to zero curve 113；The coil 371 of the B phase relays is connected to B phases and samples comparison control circuit, and the B is successive
One end of the contact switch 372 of electric appliance is connected to B phase alternating voltages outlet line 312, the coil 510 that the other end passes through contactor
It is connected to zero curve 113；The coil 471 of the C phase relays is connected to C phases and samples comparison control circuit, the C phase relays
One end of contact switch 472 is connected to C phase alternating voltages outlet line 412, and the other end is connected to by the coil 510 of contactor
Zero curve 113；The contactor includes A phases contact switch 521, B phases contact switch 522 and C phases contact switch 523, and the A is touched
Point switch 521 is mounted on A phase alternating voltages outlet line 212, and the B phases contact switch 522 is exported mounted on B phase alternating voltages
Circuit 312, the C phases contact switch 523 are mounted on C phase alternating voltages outlet line 412, the A phases contact switch 521, B phases
Contact switch 522 and C phases contact switch 523 are attached by the way of mechanical linkage；The contact switch of the A phase relays
272, the contact switch 472 of the contact switch 372 of B phase relays and B phase relays is normally opened contact switch, the contactor
A phases contact switch 521, B phases contact switch 522 and C phases contact switch 523 switch for normally-closed contact.When output voltage values are excessive,
When the larger abnormal situation of too small or fluctuation, the sampling comparison control circuit can respond the line to the relay of the phase
Circle is powered, and correspondingly the normally opened contact switch of the relay of the phase can respond closure, to connect contactor coil, phase
The A phase normally-closed contacts switch, B phase normally-closed contacts switch and C phase normally-closed contacts of ground contactor is answered to switch the disconnection that can link, stopping pair
Equipment is powered, it is therefore prevented that excessively high, too low or unstable voltage damages equipment.The contactor coil is simultaneously
It is connected to the contact switch 472 of the contact switch 272 of A phase relays, the contact switch 372 of B phase relays and C phase relays,
When a wherein phase voltage can all trigger contactor and acted when something goes wrong in three-phase, the safe to use of equipment ensure that.
Further, further include ammeter for showing outlet line electric current, the ammeter includes A phase current tables
280, B phase currents table 380 and C phase currents table 480, the A phase currents table 280 are mounted on A phase alternating voltages outlet line 212
On, the B phase currents table 380 is mounted on B phase alternating voltages outlet line 312, and the C phase currents table 480 intersects mounted on C
It flows on voltage output lines 412.It is checked to more intuitively carry out observation to the current value of each phase, correspondingly in each phase alternating current
It is all mounted with ammeter respectively on pressure outlet line.
Further, further include voltage change-over switch 610 and voltmeter 620 for measuring three-phase voltage, the voltage
Table 620 is respectively connected to A phase alternating voltages outlet line 212, B phase alternating voltage outlet lines by voltage change-over switch 610
312 and C phase alternating voltages outlet line 412.It checks to more intuitively carry out observation to three-phase voltage value, is correspondingly provided with
Voltage change-over switch 610 and voltmeter 620.
With reference to Fig. 3, second of embodiment, a kind of new automatic AC servo formula pressure regulator control of the utility model
The schematic block circuit diagram of the phase structure of circuit.
Further, the alternating voltage incoming line 111 is single-phase AC voltage incoming line 711, the alternating current
Pressure outlet line 112 is single-phase AC voltage outlet line 712, and the bucking coil 121 is single-phase bucking coil 721, described
Voltage regulation coil 122 is single-phase voltage regulating coil 722, and the sampling comparison control circuit is single-phase sampling comparison control circuit, described
Servo motor 140 is single-phase servo motor 740, and the carbon brush 150 is single-phase carbon brush 750；At the beginning of the single-phase voltage regulating coil 722
One end of grade winding is connected to single-phase AC voltage outlet line 712, and the other end is connected to zero curve 113, the single-phase voltage regulating line
The secondary windings of circle 722 is connected to the armature winding of single-phase bucking coil 721, the secondary windings of the single-phase bucking coil 721
One end be connected to single-phase AC voltage incoming line 711, the other end is connected to single-phase AC voltage outlet line 712, described
It is also attached by single-phase sampling comparison control circuit between single-phase AC voltage outlet line 712 and zero curve 113, the list
Mutually sampling comparison control circuit also passes sequentially through single-phase servo motor 740 and single-phase carbon brush 750 is connected to single-phase voltage regulating coil 722
Secondary windings.The utility model is applied in single-phase circuit structure, output voltage can also be made and effectively and timely be adjusted
Section.
Further, the single-phase sampling comparison control circuit includes single-phase sample circuit 731, single-phase rectifier regulator circuit
732 and the single-phase comparison circuit 733 for comparing sampling voltage and reference voltage, the single-phase AC voltage output line
It is attached by single-phase sample circuit 731 between road 712 and zero curve 113, the output end connection of the single-phase sample circuit 731
To single-phase rectifier regulator circuit 732, the output end of the single-phase rectifier regulator circuit 732 is connected by single-phase comparison circuit 733
To single-phase servo motor 740.The single-phase sample circuit 731 can sample output voltage, and steady by single-phase rectifier
Volt circuit 732 carries out rectifying and voltage-stabilizing processing, obtains output voltage sampled value and exports to single-phase comparison circuit 733, described single-phase
Output voltage sampled value and output voltage a reference value can be compared by comparison circuit 733, according to the big of sampled value and a reference value
Small comparison carrys out the single-phase servo motor of response control 740 and drives single-phase carbon brush 750, to single-phase voltage regulating coil 722 it is primary around
The wire circle of group is adjusted, to realize the independent effective adjusting of output voltage.
Further, further include breaker, the breaker is single-phase circuit breaker 760, and the single-phase circuit breaker 760 is installed
On single-phase AC voltage incoming line 711.For cut-out power supply when emergent or maintenance, correspondingly in single phase ac
Single-phase circuit breaker 760 is installed in voltage input line 711, can safely cut off the power supply with restoring circuit.
Further, further include relay and contactor for protecting electrical equipment, the relay is single-phase relay
Device；The coil 771 of the one-phase relay is connected to single-phase sampling comparison control circuit, the contact switch of the one-phase relay
772 one end is connected to single-phase AC voltage outlet line 712, and the other end is connected to zero curve by the coil 781 of contactor
113；The contact switch 782 of the contactor is mounted on single-phase AC voltage outlet line 712；The contact of the one-phase relay
Switch 772 is normally opened contact switch, and the contact switch 782 of the contactor switchs for normally-closed contact.When output voltage values are excessive,
When the larger abnormal situation of too small or fluctuation, the single-phase sampling comparison control circuit can be responded to one-phase relay
Coil 771 is powered, and correspondingly the normally opened contact switch 772 of one-phase relay can respond closure, to connect single-phase connect
Tentaculum coil 781, correspondingly the contact switch 782 of single-phase contactor will disconnect, stopping equipment being powered, it is therefore prevented that mistake
High, too low or unstable voltage damages equipment.
Further, further include ammeter for showing outlet line electric current, the ammeter is single-phase electricity flow table
791, the single-phase electricity flow table 791 is mounted on single-phase AC voltage outlet line 712.In order to more intuitively be carried out to current value
Observation is checked, is correspondingly mounted with ammeter on single-phase AC voltage outlet line 712.
Further, further include voltmeter for measuring single-phase voltage, the voltmeter is single-phase voltage table 792, institute
The one end for stating single-phase voltage table 792 is connected to single-phase AC voltage outlet line 712, and the other end is connected to zero curve 113.In order to more
Intuitively observation is carried out to single-phase voltage value to check, be correspondingly provided with voltmeter.
The above, the only preferred embodiment of the utility model, the utility model are not limited to above-mentioned implementation
Mode should all belong to the scope of protection of the utility model as long as it reaches the technique effect of the utility model with identical means.
Claims (10)
1. a kind of new automatic AC servo formula pressure regulator control circuit, it is characterised in that：Including alternating voltage incoming line,
Alternating voltage outlet line, zero curve, bucking coil, voltage regulation coil, for output voltage carry out sampling comparison sampling compare
Control circuit, servo motor and carbon brush for adjusting output voltage；One end of the armature winding of the voltage regulation coil is connected to
Alternating voltage outlet line, the other end are connected to zero curve, and the secondary windings of the voltage regulation coil is connected to the primary of bucking coil
One end of winding, the secondary windings of the bucking coil is connected to alternating voltage incoming line, and the other end is connected to alternating voltage
Outlet line is also attached by sampling comparison control circuit between the alternating voltage outlet line and zero curve, described to take
Sample comparison control circuit also passes sequentially through servo motor and carbon brush is connected to the secondary windings of voltage regulation coil.
2. a kind of new automatic AC servo formula pressure regulator control circuit according to claim 1, it is characterised in that：Institute
It includes that A phase alternating voltages incoming line, B phase alternating voltage incoming lines and C phase alternating voltages are defeated to state alternating voltage incoming line
Enter circuit, the alternating voltage outlet line includes A phase alternating voltages outlet line, B phase alternating voltage outlet lines and C intersections
Voltage output lines are flowed, the bucking coil includes A phases bucking coil, B phases bucking coil and C phase bucking coils, the pressure regulation
Coil includes A phases voltage regulation coil, B phases voltage regulation coil and C phase voltage regulation coils, and the sampling comparison control circuit includes that A phases sample
Comparison control circuit, B phases sample comparison control circuit and sample comparison control circuit with C phases, and the servo motor includes A phase servos
Motor, B phase servos motor and C phase servo motors, the carbon brush include A phases carbon brush, B phases carbon brush and C phase carbon brush；The A phases are adjusted
One end of the armature winding of crimping circle is connected to A phase alternating voltage outlet lines, and the other end is connected to zero curve, the A phases pressure regulation
The secondary windings of coil is connected to the armature winding of A phase bucking coils, one end connection of the secondary windings of the A phases bucking coil
To A phase alternating voltage incoming lines, the other end is connected to A phase alternating voltage outlet lines, the A phases alternating voltage outlet line
Also comparison control circuit is sampled between zero curve by A phases to be attached, the A phases sample comparison control circuit and also pass sequentially through
A phase servos motor and A phase carbon brush are connected to the secondary windings of A phase voltage regulation coils；The one of the armature winding of the B phases voltage regulation coil
End is connected to B phase alternating voltage outlet lines, and the other end is connected to zero curve, and the secondary windings of the B phases voltage regulation coil is connected to B
One end of the armature winding of phase bucking coil, the secondary windings of the B phases bucking coil is connected to B phase alternating voltage input lines
Road, the other end are connected to B phase alternating voltage outlet lines, also pass through B phases between the B phases alternating voltage outlet line and zero curve
Sampling comparison control circuit is attached, and the B phases sample comparison control circuit and also pass sequentially through B phase servos motor and B phase carbon
Brush is connected to the secondary windings of B phase voltage regulation coils；One end of the armature winding of the C phases voltage regulation coil is connected to C phase alternating currents
Outlet line, the other end is pressed to be connected to zero curve, the secondary windings of the C phases voltage regulation coil is connected to the primary of C phase bucking coils
One end of winding, the secondary windings of the C phases bucking coil is connected to C phase alternating voltage incoming lines, and the other end is connected to C phases
Alternating voltage outlet line, between the C phases alternating voltage outlet line and zero curve also by C phases sample comparison control circuit into
Row connection, the C phases sample that comparison control circuit also passes sequentially through C phase servos motor and C phase carbon brush is connected to C phase voltage regulation coils
Secondary windings.
3. a kind of new automatic AC servo formula pressure regulator control circuit according to claim 2, it is characterised in that：Institute
State A phases sample comparison control circuit include A phases sample circuit, A commutating phases regulator circuit and for by sampling voltage and benchmark electricity
The A phase comparing circuits compared are pressed, are carried out by A phase sample circuits between the A phases alternating voltage outlet line and zero curve
Connection, the output end of the A phases sample circuit are connected to A commutating phase regulator circuits, the output end of the A commutating phases regulator circuit
It is connected to A phase servo motors by A phase comparing circuits；It includes that B phases sample circuit, B phases are whole that the B phases, which sample comparison control circuit,
Flow regulator circuit and the B phase comparing circuits for comparing sampling voltage and reference voltage, the B phases alternating voltage output
It is attached by B phase sample circuits between circuit and zero curve, it is steady that the output end of the B phases sample circuit is connected to B commutating phases
The output end of volt circuit, the B commutating phases regulator circuit is connected to B phase servo motors by B phase comparing circuits；The C phases take
Sample comparison control circuit includes C phases sample circuit, C commutating phases regulator circuit and for carrying out pair sampling voltage and reference voltage
The C phase comparing circuits of ratio are attached between the C phases alternating voltage outlet line and zero curve by C phase sample circuits, described
The output end of C phase sample circuits is connected to C commutating phase regulator circuits, and the output end of the C commutating phases regulator circuit is compared by C
It is connected to C phase servo motors compared with circuit.
4. a kind of new automatic AC servo formula pressure regulator control circuit according to claim 2, it is characterised in that：Also
Including breaker, the breaker includes A phases breaker, B phases breaker and C phase breakers, and the A phases breaker is mounted on A
On phase alternating voltage incoming line, the B phases breaker is mounted on B phase alternating voltage incoming lines, the C phases breaker peace
On C phase alternating voltage incoming lines, the A phases breaker, B phases breaker and C phase breakers use the side of mechanical linkage
Formula is attached.
5. a kind of new automatic AC servo formula pressure regulator control circuit according to claim 2, it is characterised in that：Also
Include the relay and contactor for protecting electrical equipment, the relay includes A phase relays, B phase relays and C successive
Electric appliance；The coil of the A phase relays is connected to A phases and samples comparison control circuit, and the one of the contact switch of the A phase relays
End is connected to A phase alternating voltage outlet lines, and the other end is connected to zero curve by the coil of contactor；The B phase relays
Coil is connected to B phases and samples comparison control circuit, and one end of the contact switch of the B phase relays is connected to B phase alternating voltages
Outlet line, the other end are connected to zero curve by the coil of contactor；The coil of the C phase relays is connected to C phase sampling rates
Compared with control circuit, one end of the contact switch of the C phase relays is connected to C phase alternating voltage outlet lines, and the other end passes through
The coil of contactor is connected to zero curve；The contactor includes A phases contact switch, B phases contact switch and C phase contact switch, institute
It states A phase contact switch and is mounted on A phase alternating voltage outlet lines, the B phases contact switch is mounted on B phase alternating voltage output lines
Road, the C phases contact switch are mounted on C phase alternating voltage outlet lines, the A phases contact switch, B phases contact switch and C phases
Contact switch is attached by the way of mechanical linkage；The contact switch of the A phase relays, the contact of B phase relays are opened
It closes and the contact switch of B phase relays is normally opened contact switch, A phases contact switch, B phases contact switch and the C of the contactor
Phase contact switch switchs for normally-closed contact.
6. a kind of new automatic AC servo formula pressure regulator control circuit according to claim 2, it is characterised in that：Also
Include the ammeter for showing outlet line electric current, the ammeter includes A phase currents table, B phase currents table and C phase currents
Table, the A phase currents table are mounted on A phase alternating voltage outlet lines, and it is defeated that the B phase currents table is mounted on B phase alternating voltages
Outlet road, the C phase currents table are mounted on C phase alternating voltage outlet lines.
7. a kind of new automatic AC servo formula pressure regulator control circuit according to claim 2, it is characterised in that：Also
Include the voltage change-over switch and voltmeter for measuring three-phase voltage, the voltmeter is separately connected by voltage change-over switch
To A phase alternating voltages outlet line, B phase alternating voltage outlet lines and C phase alternating voltage outlet lines.
8. a kind of new automatic AC servo formula pressure regulator control circuit according to claim 1, it is characterised in that：Institute
It is single-phase AC voltage incoming line to state alternating voltage incoming line, and the alternating voltage outlet line is that single-phase AC voltage is defeated
Go out circuit, the bucking coil is single-phase bucking coil, and the voltage regulation coil is single-phase voltage regulating coil, and control is compared in the sampling
Circuit is single-phase sampling comparison control circuit, and the servo motor is single-phase servo motor, and the carbon brush is single-phase carbon brush；It is described
One end of the armature winding of single-phase voltage regulating coil is connected to single-phase AC voltage outlet line, and the other end is connected to zero curve, described
The secondary windings of single-phase voltage regulating coil is connected to the armature winding of single-phase bucking coil, the secondary windings of the single-phase bucking coil
One end be connected to single-phase AC voltage incoming line, the other end is connected to single-phase AC voltage outlet line, the blow-up
It is also attached by single-phase sampling comparison control circuit between stream voltage output lines and zero curve, control is compared in the single-phase sampling
Circuit processed also passes sequentially through single-phase servo motor and single-phase carbon brush is connected to the secondary windings of single-phase voltage regulating coil.
9. a kind of new automatic AC servo formula pressure regulator control circuit according to claim 8, it is characterised in that：Institute
Single-phase sampling comparison control circuit is stated to include single-phase sample circuit, single-phase rectifier regulator circuit and be used for sampling voltage and benchmark
The single-phase comparison circuit that voltage is compared passes through single-phase sample circuit between the single-phase AC voltage outlet line and zero curve
It is attached, the output end of the single-phase sample circuit is connected to single-phase rectifier regulator circuit, the single-phase rectifier regulator circuit
Output end single-phase servo motor is connected to by single-phase comparison circuit.
10. a kind of new automatic AC servo formula pressure regulator control circuit according to claim 8, it is characterised in that：
Further include the relay and contactor for protecting electrical equipment, the relay is one-phase relay；The one-phase relay
Coil be connected to single-phase sampling comparison control circuit, one end of the contact switch of the one-phase relay is connected to single phase ac
Voltage output lines, the other end are connected to zero curve by the coil of contactor；The contact switch of the contactor is mounted on single-phase
Alternating voltage outlet line；The contact switch of the one-phase relay is normally opened contact switch, the contact switch of the contactor
It is switched for normally-closed contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820028260.3U CN207623821U (en) | 2018-01-05 | 2018-01-05 | A kind of new automatic AC servo formula pressure regulator control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820028260.3U CN207623821U (en) | 2018-01-05 | 2018-01-05 | A kind of new automatic AC servo formula pressure regulator control circuit |
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| Publication Number | Publication Date |
|---|---|
| CN207623821U true CN207623821U (en) | 2018-07-17 |
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ID=62830946
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820028260.3U Expired - Fee Related CN207623821U (en) | 2018-01-05 | 2018-01-05 | A kind of new automatic AC servo formula pressure regulator control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207623821U (en) |
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2018
- 2018-01-05 CN CN201820028260.3U patent/CN207623821U/en not_active Expired - Fee Related
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Granted publication date: 20180717 Termination date: 20210105 |