CN208459888U - A kind of full-automatic AC voltage-stablizer power control circuit - Google Patents
A kind of full-automatic AC voltage-stablizer power control circuit Download PDFInfo
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- CN208459888U CN208459888U CN201820016620.8U CN201820016620U CN208459888U CN 208459888 U CN208459888 U CN 208459888U CN 201820016620 U CN201820016620 U CN 201820016620U CN 208459888 U CN208459888 U CN 208459888U
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Abstract
The utility model discloses a kind of full-automatic AC voltage-stablizer power control circuits, including alternating voltage incoming line, alternating voltage outlet line, zero curve, auto-transformer, sampling comparison control circuit, servo motor and carbon brush for adjusting transformer circle number for carrying out sampling comparison to output voltage；Sampling comparison can be carried out to output voltage in time; and servo motor driving carbon brush movement is controlled according to outputting reference voltage, so that the primary coil circle number of auto-transformer is adjusted, so that the quick and stable for realizing output voltage is adjusted; equipment can be protected without damage, the service life of delay apparatus.
Description
Technical field
The utility model relates to a kind of regulator, especially a kind of full-automatic AC voltage-stablizer power control circuit.
Background technique
Currently, with the rapid 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, especially requires voltage stringent high and new technology and precision equipment 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 loss, 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 full-automatic AC voltage-stablizer power supply control electricity
Road, accuracy height, are adjusted steadily fast response time, equipment can be protected without damage, the service life of delay apparatus.
The technical solution adopted by the utility model to solve the problem is as follows:
A kind of full-automatic AC voltage-stablizer power control circuit, it is characterised in that: including alternating voltage incoming line, exchange
Voltage output lines, auto-transformer, the sampling comparison control circuit for carrying out sampling comparison to output voltage, are used zero curve
In the servo motor and carbon brush that adjust transformer circle number；The primary coil of the auto-transformer is connected to alternating current
Incoming line is pressed, the secondary coil of the auto-transformer is connected to alternating voltage outlet line, the alternating voltage output line
It is attached between road and zero curve by sampling comparison control circuit, the sampling comparison control circuit also passes sequentially through servo electricity
Machine and carbon brush are connected to the primary coil of auto-transformer.
Further, the alternating voltage incoming line includes A phase alternating voltage incoming line, the input of B phase alternating voltage
Route and C phase alternating voltage incoming line, the alternating voltage outlet line include that A phase alternating voltage outlet line, B phase exchange
Voltage output lines and C phase alternating voltage outlet line, the auto-transformer include A phase auto-transformer, B phase self coupling transformation
Device and C phase auto-transformer, the sampling comparison control circuit include that A phase samples comparison control circuit, B phase samples and compares control
Circuit samples comparison control circuit with C phase, and the servo motor includes A phase servo motor, B phase servo motor and C phase servo electricity
Machine, the carbon brush include A phase carbon brush, B phase carbon brush and C phase carbon brush；The primary coil of the A phase auto-transformer is connected to A phase
Alternating voltage incoming line, the secondary coil of the A phase auto-transformer are connected to A phase alternating voltage outlet line, the A
It samples comparison control circuit by A phase between phase alternating voltage outlet line and zero curve to be attached, the A phase, which samples, to be compared
Control circuit also passes sequentially through A phase servo motor and A phase carbon brush is connected to the primary coil of A phase auto-transformer；The B phase is certainly
The primary coil of coupling transformer is connected to B phase alternating voltage incoming line, the secondary coil connection of the B phase auto-transformer
To B phase alternating voltage outlet line, is sampled between the B phase alternating voltage outlet line and zero curve by B phase and compare control electricity
Road is attached, the B phase sample comparison control circuit also pass sequentially through B phase servo motor and B phase carbon brush be connected to B phase from
The primary coil of coupling transformer；The primary coil of the C phase auto-transformer is connected to C phase alternating voltage incoming line, described
The secondary coil of C phase auto-transformer is connected to C phase alternating voltage outlet line, the C phase alternating voltage outlet line and zero
It samples comparison control circuit by C phase between line and is attached, the C phase, which samples comparison control circuit and also passes sequentially through C phase, to be watched
It takes motor and C phase carbon brush is connected to the primary coil of C phase auto-transformer.
Further, the A phase samples comparison control circuit and includes A phase sample circuit, A commutating phase voltage regulator circuit and be used for
The A phase comparing circuit that sampling voltage and reference voltage are compared leads between the A phase alternating voltage outlet line and zero curve
It crosses A phase sample circuit to be attached, the output end of the A phase sample circuit is connected to A commutating phase voltage regulator circuit, and the A phase is whole
The output end of stream voltage regulator circuit is connected to A phase servo motor by A phase comparing circuit；The B phase samples comparison control circuit packet
B phase sample circuit, B commutating phase voltage regulator circuit and the B phase comparing circuit for comparing sampling voltage and reference voltage are included,
Be attached between the B phase alternating voltage outlet line and zero curve by B phase sample circuit, the B phase sample circuit it is defeated
Outlet is connected to B commutating phase voltage regulator circuit, and the output end of the B commutating phase voltage regulator circuit is connected to B phase by B phase comparing circuit
Servo motor；The C phase samples comparison control circuit and includes C phase sample circuit, C commutating phase voltage regulator circuit and be used to that electricity will to be sampled
The C phase comparing circuit that pressure and reference voltage compare is taken between the C phase alternating voltage outlet line and zero curve by C phase
Sample circuit is attached, and the output end of the C phase sample circuit is connected to C commutating phase voltage regulator circuit, the C commutating phase pressure stabilizing electricity
The output end on road is connected to C phase servo motor by C phase comparing circuit.
It further, further include breaker, the breaker includes A phase breaker, B phase breaker and C phase breaker, institute
It states A phase breaker to be mounted on A phase alternating voltage incoming line, the B phase breaker is mounted on B phase alternating voltage incoming line
On, the C phase breaker is mounted on C phase alternating voltage incoming line, the A phase breaker, B phase breaker and C phase open circuit
Device is attached by the way of mechanical linkage.
Further, further include relay and contactor for protecting electrical equipment, the relay includes A phase relay
Device, B phase relay and C phase relay；The coil of the A phase relay is connected to A phase and samples comparison control circuit, the A phase
One end of the contact switch of relay is connected to A phase alternating voltage outlet line, and the other end is connected to by the coil of contactor
Zero curve；The coil of the B phase relay is connected to B phase and samples comparison control circuit, and the one of the contact switch of the B phase relay
End is connected to B phase alternating voltage outlet line, and the other end is connected to zero curve by the coil of contactor；The C phase relay
Coil is connected to C phase and samples comparison control circuit, and one end of the contact switch of the C phase relay is connected to C phase alternating voltage
Outlet line, the other end are connected to zero curve by the coil of contactor；The contactor includes A phase contact switch, B phase contact
Switch and C phase contact switch, the A phase contact switch are mounted on A phase alternating voltage outlet line, the B phase contact switch peace
Mounted in B phase alternating voltage outlet line, the C phase contact switch is mounted on C phase alternating voltage outlet line, A phase contact
Switch, B phase contact switch and C phase contact switch are attached by the way of mechanical linkage；It opens the contact of the A phase relay
The contact switch of pass, the contact switch of B phase relay and B phase relay is normally opened contact switch, the A phase contact of the contactor
Switch, B phase contact switch and C phase contact switch are normally-closed contact switch.
Further, further include ammeter for showing outlet line electric current, the ammeter includes A phase current table, B
Phase current table and C phase current table, the A phase current table are mounted on A phase alternating voltage outlet line, the B phase current table peace
On B phase alternating voltage outlet line, the C phase current table is mounted on C phase alternating voltage outlet line.
It 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 voltage outlet line, B phase alternating voltage outlet line and C phase alternating voltage
Route out.
Further, the alternating voltage incoming line is single-phase AC voltage incoming line, the alternating voltage output
Route is single-phase AC voltage outlet line, and the auto-transformer is single-phase autotransformer, and control electricity is compared in the sampling
Road 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；The list
The primary coil of phase auto-transformer is connected to single-phase AC voltage incoming line, the secondary coil of the single-phase autotransformer
It is connected to single-phase AC voltage outlet line, is compared between the single-phase AC voltage outlet line and zero curve by single-phase sampling
Control circuit is attached, and the single-phase sampling comparison control circuit also passes sequentially through single-phase servo motor and connects with single-phase carbon brush
To the primary coil of single-phase autotransformer.
Further, the single-phase sampling comparison control circuit include single-phase sample circuit, single-phase rectifier voltage 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 voltage regulator circuit,
The output end of the single-phase rectifier voltage regulator circuit is connected to single-phase servo motor by single-phase comparison circuit.
It 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.
It 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 as normally-closed contact switch.
It 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 to be mounted on single-phase AC voltage outlet line.
It 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 beneficial effects of the utility model are: a kind of full-automatic AC voltage-stablizer power supply that the utility model uses controls electricity
Road, including alternating voltage incoming line, alternating voltage outlet line, zero curve, auto-transformer, for being adopted to output voltage
Sampling comparison control circuit, the servo motor and carbon brush for adjusting transformer circle number that sample compares；It can be timely
Sampling comparison is carried out to output voltage, and servo motor driving carbon brush movement is controlled according to outputting reference voltage, to adjust certainly
The primary coil circle number of coupling transformer can protect equipment without damage so that the quick and stable for realizing output voltage is adjusted,
The service life of delay apparatus.
Detailed description of the invention
The utility model is described in further detail with example with reference to the accompanying drawing.
Fig. 1 is a kind of overall circuit functional block diagram of full-automatic AC voltage-stablizer power control circuit of the utility model；
Fig. 2 is a kind of circuit theory frame of the three-phase structure of full-automatic AC voltage-stablizer power control circuit of the utility model
Figure；
Fig. 3 is a kind of circuit theory frame of the phase structure of full-automatic AC voltage-stablizer power control circuit of the utility model
Figure.
Specific embodiment
Referring to Fig.1, the overall circuit principle frame of a kind of full-automatic AC voltage-stablizer power control circuit of the utility model
Figure, including alternating voltage incoming line 111, alternating voltage outlet line 112, zero curve 113, auto-transformer 120, for pair
Output voltage carries out the sampling comparison control circuit 130 of sampling comparison, the servo electricity for adjusting transformer circle number
Machine 140 and carbon brush 150；The primary coil of the auto-transformer 120 is connected to alternating voltage incoming line 111, the self coupling
The secondary coil of transformer 120 is connected to alternating voltage outlet line 112, the alternating voltage outlet line 112 and zero curve 113
Between be attached by sampling comparison control circuit 130, it is electric that the sampling comparison control circuit 130 also passes sequentially through servo
Machine 140 and carbon brush 150 are connected to the primary coil of auto-transformer 120.
During operation, the primary coil of the auto-transformer 120 can receive in alternating voltage incoming line 111
Input voltage, and using the primary coil principle different with secondary winding turns to defeated in alternating voltage incoming line 111
Enter voltage and carry out the size conversion of voltage magnitude, and exports from the secondary coil of auto-transformer 120 to alternating voltage output line
Road 112, the sampling comparison control circuit 130 can sample the output voltage in alternating voltage outlet line 112, then
Compared with the sampled value of output voltage is carried out size comparison with a reference value of the output voltage of setting.When the sampled value of output voltage
When in the error range of a reference value of output voltage, then servo motor 140 does not make any movement；When the sampled value of output voltage
Greater than output voltage a reference value when, the sampling comparison control circuit 130, which can respond, outputs control signals to servo motor
140, the servo motor 140 can respond driving carbon brush 150 and be acted, the appropriate primary coil for increasing auto-transformer 120
Number is enclosed, to realize the reasonable decline of output voltage, and by output voltage stabilization in the error range of a reference value；When output electricity
When the sampled value of pressure is less than a reference value of output voltage, the sampling comparison control circuit 130, which can respond, to be output control signals to
Servo motor 140, the servo motor 140 can respond driving carbon brush 150 and be acted, appropriate reduction auto-transformer 120
Primary coil circle number, to realize the reasonable rising of output voltage, and by output voltage stabilization in the error range of a reference value.
Reference Fig. 2, the first embodiment, a kind of full-automatic AC voltage-stablizer power control circuit of the utility model
The schematic block circuit diagram of three-phase structure.
Further, the alternating voltage incoming line 111 includes A phase alternating voltage incoming line 211, B phase alternating current
Incoming line 311 and C phase alternating voltage incoming line 411 are pressed, the alternating voltage outlet line 112 includes A phase alternating voltage
Outlet line 212, B phase alternating voltage outlet line 312 and C phase alternating voltage outlet line 412, the auto-transformer 120
Including A phase auto-transformer 220, B phase auto-transformer 320 and C phase auto-transformer 420, the sampling comparison control circuit
130 include that A phase samples comparison control circuit, B phase samples comparison control circuit and samples comparison control circuit, the servo with C phase
Motor 140 includes A phase servo motor 240, B phase servo motor 340 and C phase servo motor 440, and the carbon brush 150 includes A phase carbon
Brush 250, B phase carbon brush 350 and C phase carbon brush 450；The primary coil of the A phase auto-transformer 220 is connected to A phase alternating voltage
Incoming line 211, the secondary coil of the A phase auto-transformer 220 are connected to A phase alternating voltage outlet line 212, the A
It samples comparison control circuit by A phase between phase alternating voltage outlet line 212 and zero curve 113 to be attached, the A phase samples
Comparison control circuit also passes sequentially through A phase servo motor 240 and A phase carbon brush 250 is connected to the primary of A phase auto-transformer 220
Coil；The primary coil of the B phase auto-transformer 320 is connected to B phase alternating voltage incoming line 311, the B phase self coupling
The secondary coil of transformer 320 is connected to B phase alternating voltage outlet line 312,312 He of B phase alternating voltage outlet line
It samples comparison control circuit by B phase between zero curve 113 to be attached, the B phase samples comparison control circuit and also passes sequentially through B
Phase servo motor 340 and B phase carbon brush 350 are connected to the primary coil of B phase auto-transformer 320；The C phase auto-transformer
420 primary coil is connected to C phase alternating voltage incoming line 411, the secondary coil connection of the C phase auto-transformer 420
To C phase alternating voltage outlet line 412, pass through C phase sampling rate between the C phase alternating voltage outlet line 412 and zero curve 113
It is attached compared with control circuit, the C phase samples comparison control circuit and also passes sequentially through C phase servo motor 440 and C phase carbon brush
450 are connected to the primary coil of C phase auto-transformer 420.The utility model is applied in three-phase circuit structure, it can be to every
The output voltage of one phase all makes independent effective adjusting.
Further, it includes A phase sample circuit 231, A commutating phase voltage regulator circuit that the A phase, which samples comparison control circuit,
232 and the A phase comparing circuit 233 for comparing sampling voltage and reference voltage, the A phase alternating voltage outlet line
It is attached between 212 and zero curve 113 by A phase sample circuit 231, the output end of the A phase sample circuit 231 is connected to
The output end of A commutating phase voltage regulator circuit 232, the A commutating phase voltage regulator circuit 232 is connected to A phase by A phase comparing circuit 233
Servo motor 240；The B phase samples comparison control circuit and includes B phase sample circuit 331, B commutating phase voltage regulator circuit 332 and use
In the B phase comparing circuit 333 for comparing sampling voltage and reference voltage, the B phase alternating voltage outlet line 312 and zero
It is attached between line 113 by B phase sample circuit 331, it is steady that the output end of the B phase sample circuit 331 is connected to B commutating phase
The output end of volt circuit 332, the B commutating phase voltage regulator circuit 332 is connected to B phase servo motor by B phase comparing circuit 333
340；The C phase samples comparison control circuit and includes C phase sample circuit 431, C commutating phase voltage regulator circuit 432 and be used to sample
The C phase comparing circuit 433 that voltage and reference voltage compare, the C phase alternating voltage outlet line 412 and zero curve 113 it
Between be attached by C phase sample circuit 431, the output end of the C phase sample circuit 431 is connected to C commutating phase voltage regulator circuit
432, the output end of the C commutating phase voltage regulator circuit 432 is connected to C phase servo motor 440 by C phase comparing circuit 433.Institute
The sample circuit for stating each phase can sample the output voltage of each phase, and carry out at rectifying and voltage-stabilizing by regulator rectifier circuit
Reason obtains output voltage sampled value and exports to comparison circuit that the comparison circuit can be by output voltage sampled value and output electricity
Pressure a reference value is compared, and relatively drives carbon brush according to the size of sampled value and a reference value come response control servo motor, thus
The primary coil of auto-transformer is adjusted, to realize the independent effective adjusting of the output voltage of each phase.
It further, further include breaker, the breaker includes that A phase breaker 260, B phase breaker 360 break with C phase
Road device 460, the A phase breaker 260 are mounted on A phase alternating voltage incoming line 211, and the B phase breaker 360 is mounted on
On B phase alternating voltage incoming line 311, the C phase breaker 460 is mounted on C phase alternating voltage incoming line 411, described
A phase breaker 260, B phase breaker 360 and C phase breaker 460 are attached by the way of mechanical linkage.In order to meet an urgent need
Or cutting power supply when maintenance, breaker is correspondingly installed on the alternating voltage incoming line of each phase respectively, it is described disconnected
Road 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 relay
Device, B phase relay and C phase relay；The coil 240 of the A phase relay is connected to A phase and samples comparison control circuit, the A
One end of the contact switch 272 of phase relay is connected to A phase alternating voltage outlet line 212, the line that the other end passes through contactor
Circle 610 is connected to zero curve 113；The coil 340 of the B phase relay is connected to B phase 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 voltage outlet line 312, and the other end passes through the coil 610 of contactor
It is connected to zero curve 113；The coil 440 of the C phase relay is connected to C phase and samples comparison control circuit, the C phase relay
One end of contact switch 472 is connected to C phase alternating voltage outlet line 412, and the other end is connected to by the coil 610 of contactor
Zero curve 113；The contactor includes A phase contact switch 621, B phase contact switch 622 and C phase contact switch 623, and the A is touched
Point switch 621 is mounted on A phase alternating voltage outlet line 212, and it is defeated that the B phase contact switch 622 is mounted on B phase alternating voltage
Route 312 out, the C phase contact switch 623 are mounted on C phase alternating voltage outlet line 412, the A phase contact switch 621,
B phase contact switch 622 and C phase contact switch 623 are attached by the way of mechanical linkage；The contact of the A phase relay
The contact switch 472 of switch 272, the contact switch 372 of B phase relay and B phase relay is normally opened contact switch, the contact
A phase contact switch 621, B phase contact switch 622 and the C phase contact switch 623 of device are normally-closed contact switch.Work as output voltage values
When excessive, the too small or biggish abnormal situation of fluctuation, the sampling comparison control circuit can respond the relay to the phase
The coil of device is powered, and correspondingly the normally opened contact switch of the relay of the phase can respond closure, to connect contactor
Coil, it is disconnected that A phase normally-closed contact switch, the B phase normally-closed contact for correspondingly contacting with device switch and C phase normally-closed contact switch can link
It opens, stopping is powered equipment, it is therefore prevented that excessively high, too low or unstable voltage damages equipment.The contact
Device coil is connected to the contact switch of the contact switch of A phase relay, the contact switch of B phase relay and C phase relay simultaneously,
When wherein a phase voltage can all trigger contactor when something goes wrong and be acted in three-phase, ensure that equipment using safe.
Further, further include ammeter for showing outlet line electric current, the ammeter includes A phase current table
280, B phase current table 380 and C phase current table 480, the A phase current table 280 are mounted on A phase alternating voltage outlet line 212
On, the B phase current table 380 is mounted on B phase alternating voltage outlet line 312, and the C phase current table 480 is mounted on C phase
On alternating voltage outlet line 412.It checks in order to which the current value more intuitively to each phase carries out observation, is correspondingly exchanged in each phase
Voltage output line road is all mounted with ammeter respectively.
It further, further include voltage change-over switch 710 and voltmeter 720 for measuring three-phase voltage, the voltage
Table 720 is respectively connected to A phase alternating voltage outlet line 212, B phase alternating voltage outlet line by voltage change-over switch 710
312 and C phase alternating voltage outlet line 412.It checks to more intuitively carry out observation to three-phase voltage value, is correspondingly provided with
Voltage change-over switch and voltmeter.
Reference Fig. 3, second of embodiment, a kind of full-automatic AC voltage-stablizer power control circuit of the utility model
The schematic block circuit diagram of phase structure.
Further, the alternating voltage incoming line 111 is single-phase AC voltage incoming line 811, the alternating current
Pressure outlet line 112 is single-phase AC voltage outlet line 812, and the auto-transformer 120 is single-phase autotransformer 820,
The sampling comparison control circuit 130 is single-phase sampling comparison control circuit, and the servo motor 140 is single-phase servo motor
840, the carbon brush 150 is single-phase carbon brush 850；The primary coil of the single-phase autotransformer 820 is connected to single-phase alternating current
Incoming line 811 is pressed, the secondary coil of the single-phase autotransformer 820 is connected to single-phase AC voltage outlet line 812, institute
It states and is attached between single-phase AC voltage outlet line 812 and zero curve 113 by single-phase sampling comparison control circuit, it is described
Single-phase sampling comparison control circuit also passes sequentially through single-phase servo motor 840 and single-phase carbon brush 850 is connected to single-phase self-coupling transformation
The primary coil of device 820.The utility model is applied in single-phase circuit structure, output voltage can also be made effectively in time
Adjusting.
Further, the single-phase sampling comparison control circuit includes single-phase sample circuit 831, single-phase rectifier voltage regulator circuit
832 and the single-phase comparison circuit 833 for comparing sampling voltage and reference voltage, the single-phase AC voltage output line
It is attached between road 812 and zero curve 113 by single-phase sample circuit 831, the output end connection of the single-phase sample circuit 831
To single-phase rectifier voltage regulator circuit 832, the output end of the single-phase rectifier voltage regulator circuit 832 is connected by single-phase comparison circuit 833
To single-phase servo motor 840.The single-phase sample circuit 831 can sample output voltage, and steady by single-phase rectifier
Volt circuit 832 carries out rectifying and voltage-stabilizing processing, obtains output voltage sampled value and exports to single-phase comparison circuit 833, described single-phase
Output voltage sampled value and output voltage a reference value can be compared by comparison circuit 833, according to the big of sampled value and a reference value
Small comparison carrys out the single-phase servo motor 840 of response control and drives single-phase carbon brush 850, thus to the primary of single-phase autotransformer 820
Coil is adjusted, to realize effective adjusting of output voltage.
It further, further include breaker, the breaker is single-phase circuit breaker 860, and the single-phase circuit breaker 860 is installed
On single-phase AC voltage incoming line 811.In order to cut off power supply when emergency or maintenance, correspondingly in single phase ac
Single-phase circuit breaker 860 is installed in voltage input line 811, can safely cut off the power supply with restoring circuit.
It further, further include relay and contactor for protecting electrical equipment, the relay is single-phase relay
Device；The coil 840 of the one-phase relay is connected to single-phase sampling comparison control circuit, the contact switch of the one-phase relay
872 one end is connected to single-phase AC voltage outlet line 812, and the other end is connected to zero curve by the coil 881 of contactor
113；The contact switch 882 of the contactor is mounted on single-phase AC voltage outlet line 812；The contact of the one-phase relay
Switch 872 is normally opened contact switch, and the contact switch 882 of the contactor is normally-closed contact switch.When output voltage values mistake
Greatly, when the too small or biggish abnormal situation of fluctuation, the single-phase sampling comparison control circuit can be responded to single-phase relay
The coil 840 of device is powered, and correspondingly the normally opened contact switch of one-phase relay can respond closure, to connect single-phase
Contactor coil 881, correspondingly the contact switch 882 of single-phase contactor will disconnect, and stopping is powered equipment, it is therefore prevented that mistake
High, too low or unstable voltage damages equipment.
It further, further include ammeter for showing outlet line electric current, the ammeter is single-phase electricity flow table
891, the single-phase electricity flow table 891 is mounted on single-phase AC voltage outlet line 812.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 812.
It further, further include voltmeter for measuring single-phase voltage, the voltmeter is single-phase voltage table 892, institute
The one end for stating single-phase voltage table 892 is connected to single-phase AC voltage outlet line 812, and the other end is connected to zero curve 113.In order to more
Observation intuitively is carried out to single-phase voltage value to check, is 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, as long as its technical effect for reaching the utility model with identical means, all should belong to the protection scope of the utility model.
Claims (10)
1. a kind of full-automatic AC voltage-stablizer power control circuit, it is characterised in that: including alternating voltage incoming line, alternating current
Pressure outlet line, auto-transformer, the sampling comparison control circuit for carrying out sampling comparison to output voltage, is used for zero curve
Adjust the servo motor and carbon brush of transformer circle number；The primary coil of the auto-transformer is connected to alternating voltage
Incoming line, the secondary coil of the auto-transformer are connected to alternating voltage outlet line, the alternating voltage outlet line
It is attached between zero curve by sampling comparison control circuit, the sampling comparison control circuit also passes sequentially through servo motor
The primary coil of auto-transformer is connected to carbon brush.
2. a kind of full-automatic AC voltage-stablizer power control circuit according to claim 1, it is characterised in that: the exchange
Voltage input line includes A phase alternating voltage incoming line, B phase alternating voltage incoming line and C phase alternating voltage incoming line,
The alternating voltage outlet line includes A phase alternating voltage outlet line, B phase alternating voltage outlet line and C phase alternating voltage
Outlet line, the auto-transformer include A phase auto-transformer, B phase auto-transformer and C phase auto-transformer, described to take
Sample comparison control circuit includes that A phase samples comparison control circuit, B phase samples comparison control circuit and samples with C phase and compares control electricity
Road, the servo motor include A phase servo motor, B phase servo motor and C phase servo motor, and the carbon brush includes A phase carbon brush, B
Phase carbon brush and C phase carbon brush；The primary coil of the A phase auto-transformer is connected to A phase alternating voltage incoming line, the A phase
The secondary coil of auto-transformer is connected to A phase alternating voltage outlet line, the A phase alternating voltage outlet line and zero curve it
Between sample comparison control circuit by A phase and be attached, the A phase samples comparison control circuit and also passes sequentially through A phase servo electricity
Machine and A phase carbon brush are connected to the primary coil of A phase auto-transformer；The primary coil of the B phase auto-transformer is connected to B phase
Alternating voltage incoming line, the secondary coil of the B phase auto-transformer are connected to B phase alternating voltage outlet line, the B phase
It samples comparison control circuit by B phase between alternating voltage outlet line and zero curve to be attached, the B phase, which samples, compares control
Circuit also passes sequentially through B phase servo motor and B phase carbon brush is connected to the primary coil of B phase auto-transformer；The C phase self coupling becomes
The primary coil of depressor is connected to C phase alternating voltage incoming line, and the secondary coil of the C phase auto-transformer is connected to C phase
Alternating voltage outlet line samples comparison control circuit progress by C phase between the C phase alternating voltage outlet line and zero curve
Connection, the C phase sample that comparison control circuit also passes sequentially through C phase servo motor and C phase carbon brush is connected to C phase auto-transformer
Primary coil.
3. a kind of full-automatic AC voltage-stablizer power control circuit according to claim 2, it is characterised in that: the A phase
Sampling comparison control circuit includes A phase sample circuit, A commutating phase voltage regulator circuit and is used to carry out sampling voltage and reference voltage
The A phase comparing circuit of comparison is attached between the A phase alternating voltage outlet line and zero curve by A phase sample circuit, institute
The output end for stating A phase sample circuit is connected to A commutating phase voltage regulator circuit, and the output end of the A commutating phase voltage regulator circuit passes through A phase
Comparison circuit is connected to A phase servo motor；It includes B phase sample circuit, B commutating phase pressure stabilizing that the B phase, which samples comparison control circuit,
Circuit and B phase comparing circuit for comparing sampling voltage and reference voltage, the B phase alternating voltage outlet line and
It being attached between zero curve by B phase sample circuit, the output end of the B phase sample circuit is connected to B commutating phase voltage regulator circuit,
The output end of the B commutating phase voltage regulator circuit is connected to B phase servo motor by B phase comparing circuit；The C phase, which samples, compares control
Circuit processed includes C phase sample circuit, C commutating phase voltage regulator circuit and the C phase for comparing sampling voltage and reference voltage
Comparison circuit is attached between the C phase alternating voltage outlet line and zero curve by C phase sample circuit, and the C phase samples
The output end of circuit is connected to C commutating phase voltage regulator circuit, and the output end of the C commutating phase voltage regulator circuit passes through C phase comparing circuit
It is connected to C phase servo motor.
4. a kind of full-automatic AC voltage-stablizer power control circuit according to claim 2, it is characterised in that: further include breaking
Road device, the breaker include A phase breaker, B phase breaker and C phase breaker, and the A phase breaker is mounted on A phase and exchanges
Voltage input line road, the B phase breaker are mounted on B phase alternating voltage incoming line, and the C phase breaker is mounted on C
On phase alternating voltage incoming line, the A phase breaker, B phase breaker and C phase breaker are carried out by the way of mechanical linkage
Connection.
5. a kind of full-automatic AC voltage-stablizer power control circuit according to claim 2, it is characterised in that: further include using
In the relay and contactor of protection electrical equipment, the relay includes A phase relay, B phase relay and C phase relay；
The coil of the A phase relay is connected to A phase and samples comparison control circuit, and one end of the contact switch of the A phase relay connects
It is connected to A phase alternating voltage outlet line, the other end is connected to zero curve by the coil of contactor；The coil of the B phase relay
It is connected to B phase and samples comparison control circuit, one end of the contact switch of the B phase relay is connected to the output of B phase alternating voltage
Route, the other end are connected to zero curve by the coil of contactor；The coil of the C phase relay, which is connected to C phase and samples, compares control
Circuit processed, one end of the contact switch of the C phase relay are connected to C phase alternating voltage outlet line, and the other end passes through contact
The coil of device is connected to zero curve；The contactor includes A phase contact switch, B phase contact switch and C phase contact switch, the A phase
Contact switch is mounted on A phase alternating voltage outlet line, and the B phase contact switch is mounted on B phase alternating voltage outlet line, institute
It states C phase contact switch and is mounted on C phase alternating voltage outlet line, the A phase contact switch, B phase contact switch and C phase contact are opened
Pass is attached by the way of mechanical linkage；The contact switch of the A phase relay, the contact switch of B phase relay and B phase
The contact switch of relay is normally opened contact switch, and A phase contact switch, B phase contact switch and the C phase contact of the contactor are opened
Close is that normally-closed contact switchs.
6. a kind of full-automatic AC voltage-stablizer power control circuit according to claim 2, it is characterised in that: further include using
In the ammeter of display outlet line electric current, the ammeter includes A phase current table, B phase current table and C phase current table, the A
Phase current table is mounted on A phase alternating voltage outlet line, and the B phase current table is mounted on B phase alternating voltage outlet line,
The C phase current table is mounted on C phase alternating voltage outlet line.
7. a kind of full-automatic AC voltage-stablizer power control circuit according to claim 2, it is characterised in that: further include using
In the voltage change-over switch and voltmeter of measurement three-phase voltage, the voltmeter is respectively connected to A phase by voltage change-over switch
Alternating voltage outlet line, B phase alternating voltage outlet line and C phase alternating voltage outlet line.
8. a kind of full-automatic AC voltage-stablizer power control circuit according to claim 1, it is characterised in that: the exchange
Voltage input line is single-phase AC voltage incoming line, and the alternating voltage outlet line is single-phase AC voltage output line
Road, the auto-transformer are single-phase autotransformer, and the sampling comparison control circuit is single-phase sampling comparison control circuit,
The servo motor is single-phase servo motor, and the carbon brush is single-phase carbon brush；The primary coil of the single-phase autotransformer connects
It is connected to single-phase AC voltage incoming line, the secondary coil of the single-phase autotransformer is connected to single-phase AC voltage output line
Road is attached between the single-phase AC voltage outlet line and zero curve by single-phase sampling comparison control circuit, the list
Mutually sampling comparison control circuit also passes sequentially through single-phase servo motor and single-phase carbon brush is connected to the primary of single-phase autotransformer
Coil.
9. a kind of full-automatic AC voltage-stablizer power control circuit according to claim 8, it is characterised in that: described single-phase
Sampling comparison control circuit include single-phase sample circuit, single-phase rectifier voltage regulator circuit and for by sampling voltage and reference voltage into
The single-phase comparison circuit of row comparison, is connected between the single-phase AC voltage outlet line and zero curve by single-phase sample circuit
It connects, the output end of the single-phase sample circuit is connected to single-phase rectifier voltage regulator circuit, the output of the single-phase rectifier voltage regulator circuit
End is connected to single-phase servo motor by single-phase comparison circuit.
10. a kind of full-automatic AC voltage-stablizer power control circuit according to claim 8, it is characterised in that: further include
For protecting the relay and contactor of electrical equipment, the relay is one-phase relay；The coil of the one-phase relay
It is connected to single-phase sampling comparison control circuit, it is defeated that one end of the contact switch of the one-phase relay is connected to single-phase AC voltage
Route out, 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 current
Press outlet line；The contact switch of the one-phase relay is normally opened contact switch, and the contact switch of the contactor is normally closed
Contact switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820016620.8U CN208459888U (en) | 2018-01-05 | 2018-01-05 | A kind of full-automatic AC voltage-stablizer power control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820016620.8U CN208459888U (en) | 2018-01-05 | 2018-01-05 | A kind of full-automatic AC voltage-stablizer power control circuit |
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| Publication Number | Publication Date |
|---|---|
| CN208459888U true CN208459888U (en) | 2019-02-01 |
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ID=65140428
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820016620.8U Expired - Fee Related CN208459888U (en) | 2018-01-05 | 2018-01-05 | A kind of full-automatic AC voltage-stablizer power control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208459888U (en) |
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2018
- 2018-01-05 CN CN201820016620.8U patent/CN208459888U/en not_active Expired - Fee Related
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