CN207530730U - Marinemotor start-stop control circuit - Google Patents
Marinemotor start-stop control circuit Download PDFInfo
- Publication number
- CN207530730U CN207530730U CN201721638596.3U CN201721638596U CN207530730U CN 207530730 U CN207530730 U CN 207530730U CN 201721638596 U CN201721638596 U CN 201721638596U CN 207530730 U CN207530730 U CN 207530730U
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- Prior art keywords
- control
- relay
- circuit
- direct current
- normally opened
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- Withdrawn - After Issue
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Abstract
The marinemotor start-stop control circuit of the utility model; main circuit is connected between ac control power supply and motor and is formed by circuit breaker Q F1, main A.C. contactor KM1, thermal overload relay FT1, and secondary control loop is connected and composed by control transformer TC1, main A.C. contactor KM1 coils, AC/DC power rectifier modules DCP1, starting button SB1, stop botton SB2, the first control relay K1, the second control relay K2, mechanical converter K3 and energization delay relay KT1；380V ac control power supplies are through control transformer TC1 decompressions for after 220V AC powers, DC24V DC power supplies are converted to by AC/DC power rectifier modules DCP1, DC power supply controls motor starter sequential firing by DC line, both the motor starter control requirement of fixed voltage and frequency power source had been adapted to, also the motor starter sequential firing of pressure electric power system power supply frequently that adapts to float, which controls, to be required, easy to operate, securely and reliably, cost input is cheap.
Description
Technical field
The utility model is related to a kind of marinemotor start-stop control circuits.
Background technology
Ship is shut down for the motor in power equipment after the power supply dead electricity in Mian systems, power up power supply
Afterwards, the starter of motor need to restart motor automatically according to preset delay time so that sequence motor rises
It is dynamic to resume operation；Traditional ship motor starter can generally be compiled using the device or selection of single fixed voltage and frequency
Range controller realizes that function is single by software programming, adaptability, less economical；Especially novel ship floats frequently in recent years
The utilization of energy conservation and power supply system technology is pressed, conventional starter control circuit has been unable to the needs of adaptive technique development, it is impossible to full
The requirement of sufficient new technology so that power equipment system operation is unreliable, and security and stability is bad.
Invention content
Technical problem to be solved in the utility model is to provide one kind and can adapt to multiple power sources voltage and FREQUENCY CONTROL
It is required that safe and reliable marinemotor start-stop control circuit.
The marinemotor start-stop control circuit of the utility model, it is primary main including main circuit, a secondary control loop
Circuit, secondary control loop connect each component by electric power connection line and form；It is characterized in that：Main circuit is by breaker
QF1, main A.C. contactor KM1, thermal overload relay FT1 are connected between ac control power supply and motor and form, two secondary controls
Make back route test transformer TC1, main A.C. contactor KM1 coils, AC/DC power rectifier modules DCP1, starting button SB1,
Stop botton SB2, the first control relay K1, the second control relay K2, mechanical converter K3 and on-delay relay
Device KT1 is connected and composed；The normally opened contact and main contactor of the normally-closed contact of thermal overload relay FT1, the first control relay K1
The coil exchange connection circuit in series of KM1, exchange connection line input is through controlling transformer TC1 to be connected to exchange control
Power supply, exchange connection line output are connected with direct current connection circuit through AC/DC power rectifier modules DCP1；Direct current connects circuit
Input terminal is connected to AC/DC power rectifier modules, and output terminal is connected in parallel to the first direct current branch, the second direct current branch, third
Five articles of direct current branch, the 4th direct current branch, the 5th direct current branch DC lines；
First direct current branch circuit is closed by the contact of starting button SB1, normally opened contact, the machinery of the first control relay K1
After the normally opened contact parallel connection for locking relay K3, then it is connected in series with the normally opened contact of the second control relay K2, the first control relay
The coil of device K1 is formed, after the normally opened contact of mechanical converter K3 is connect with the contact series of energization delay relay KT1
The normally opened contact with the contact of starting button SB1, the first control relay K1 is connected in parallel again；
Second direct current branch circuit after the contact of stop botton SB2, the normally opened contact parallel connection of thermal overload relay FT1 by going here and there
Connection connection the second control relay K2 systems coil is formed；
Third direct current branch circuit is by the first control relay K1 normally opened contacts and the locking line of mechanical converter K3
It is in series to enclose A1-A2；
4th direct current branch circuit is touched by the normally opened contact of mechanical converter K3, the second the normally opened of control relay K2
Point is in series with the trip coil E1-E2 of mechanical converter K3；
5th direct current branch connection has the coil of energization delay relay KT1；
The control transformer TC1 input terminals both ends are connected separately with the first fuse for being capable of providing overcurrent protection；
The second molten breaker is connected between the exchange connection line input and control transformer TC1 output terminals；
Third, which is connected with, between the AC/DC power rectifiers module DCP1 output terminals and direct current connection circuit melts breaker；
Coil voltage ranging from AC100V~250V of the main A.C. contactor KM1；
The AC/DC power rectifiers module DCP output terminals control power supply for DC24V.
The marinemotor start-stop control circuit of the utility model, 380V ac control power supplies are through controlling transformer TC1 to drop
It presses after 220V AC powers, to be converted to DC24V DC power supplies by AC/DC power rectifier modules DCP1, DC power supply passes through straight
Flow Line controls motor starter sequential firing, and the motor starter control for both having adapted to fixed voltage and frequency power source will
It asks, the motor starter sequential firing of pressure electric power system power supply frequently that also adapts to float, which controls, to be required, easy to operate, safely may be used
It leans on, cost input is cheap.
Description of the drawings
Fig. 1 is the marinemotor start-stop control circuit structure diagram of the utility model embodiment.
Specific embodiment
As shown in the figure, a kind of marinemotor start-stop control circuit, including main circuit, a secondary control loop, once
Main circuit, secondary control loop connect each component by electric power connection line and form；Main circuit is by circuit breaker Q F1, main friendship
Stream contactor KM1, thermal overload relay FT1 are connected between ac control power supply and motor and form, secondary control loop by
Control transformer TC1, main A.C. contactor KM1 coils, AC/DC power rectifier modules DCP1, starting button SB1, stop botton
SB2, the first control relay K1, the second control relay K2, mechanical converter K3 are connected with energization delay relay KT1
It forms；The coil of the normally-closed contact of thermal overload relay FT1, the normally opened contact of the first control relay K1 and main contactor KM1
Exchange connection circuit in series, exchange connection line input are exchanged through transformer TC1 is controlled to be connected to ac control power supply
Connection line output is connected with direct current connection circuit through AC/DC power rectifier modules DCP1；Direct current connection line input connects
Be connected to AC/DC power rectifier modules, output terminal be connected in parallel to the first direct current branch, the second direct current branch, third direct current branch,
Five articles of 4th direct current branch, the 5th direct current branch DC lines.
First direct current branch circuit is closed by the contact of starting button SB1, normally opened contact, the machinery of the first control relay K1
After the normally opened contact parallel connection for locking relay K3, then it is connected in series with the normally opened contact of the second control relay K2, the first control relay
The coil of device K1 is formed, after the normally opened contact of mechanical converter K3 is connect with the contact series of energization delay relay KT1
The normally opened contact with the contact of starting button SB1, the first control relay K1 is connected in parallel again.
Second direct current branch circuit after the contact of stop botton SB2, the normally opened contact parallel connection of thermal overload relay FT1 by going here and there
Connection connection the second control relay K2 systems coil is formed.
Third direct current branch circuit is by the first control relay K1 normally opened contacts and the locking line of mechanical converter K3
It is in series to enclose A1-A2.
4th direct current branch circuit is touched by the normally opened contact of mechanical converter K3, the second the normally opened of control relay K2
Point is in series with the trip coil E1-E2 of mechanical converter K3.
5th direct current branch connection has the coil of energization delay relay KT1.
Control transformer TC1 input terminals both ends are connected separately with the first fuse for being capable of providing overcurrent protection.
The second molten breaker is connected between exchange connection line input and control transformer TC1 output terminals.
Third, which is connected with, between AC/DC power rectifiers module DCP1 output terminals and direct current connection circuit melts breaker.
Coil voltage ranging from AC100V~250V of main A.C. contactor KM1.
AC/DC power rectifier module DCP output terminals control power supply for DC24V.
The marinemotor start-stop control circuit of the utility model, 380V ac control power supplies are through controlling transformer TC1 to drop
It presses after 220V AC powers, to be converted to DC24V DC power supplies by AC/DC power rectifier modules DCP1, DC power supply passes through straight
Flow Line controls motor starter sequential firing, and the motor starter control for both having adapted to fixed voltage and frequency power source will
It asks, the motor starter sequential firing of pressure electric power system power supply frequently that also adapts to float, which controls, to be required, easy to operate, safely may be used
It leans on, cost input is cheap.
The specific embodiment of the utility model：
Main circuit of marinemotor starter is by circuit breaker Q F1, main A.C. contactor KM1, thermal overload relay
FT1 and necessary electric power connection line composition；Secondary control loop is by control transformer TC1, main A.C. contactor KM1 coils, AC/DC
Power supply DCP1, starting button SB1, stop botton SB2, the first control relay K1, the second control relay K2, mechanical latching after
Electric appliance K3 and energization delay relay KT1 compositions.Wherein, circuit breaker Q F1 is used to implement isolation and the short-circuit protection of power supply, main friendship
Flow contactor KM1（Coil voltage range AC100V~250V）For connecting（Operation）And disconnection（It shuts down）Motor, thermal overload after
Electric appliance FT1 is used to implement the overload protection of motor, and control transformer TC1 is used for higher floating power supply voltage transformation extremely
Below AC230V voltages, AC/DC power supplys DCP1 are used to for the ac control power supply for frequency pressure of floating to be transformed into stable DC24V controls
Power supply, starting button SB1 are used to trigger motor starting（Operation）, for triggering motor failure, first controls stop botton SB2
Relay K1 processed is used for the electricity holding after motor starting, and the second control relay K2 discharges for motor failure, and machinery closes
It locks machineries of the relay K3 for after motor starting to keep, energization delay relay KT1 is used for the setting of sequential firing time
And adjustment.
The utility model has simple, economical and practical, the applicable supply voltage of circuit compared with the control circuit of the prior art
With frequency range it is wide the advantages that；The suitable control transformer voltage ratio of selection and ac contactor coil voltage model according to actual needs
Enclose can meet different ship power supplies fix and float frequency press under the conditions of motor starter sequential firing control requirement.
Normally-closed contact, control relay K1 normally opened contacts and the series connection of main contactor KM1 coils of thermal overload relay FT1
Afterwards, circuit both ends are attached to the ac control power supply through controlling the protection of transformer TC1 output terminals fuse；Starting button SB1 is touched
Point, the first control relay K1, the second control relay K2, mechanical converter K3 normally opened contacts, energization delay relay
After KT1 contacts are connected with control relay K1 coils by diagramatic way, circuit both ends are attached to through AC/DC power supply DCP1 output terminals
The DC24V control power supplys of fuse protection；Stop botton SB2, thermal overload relay FT1 normally opened contact parallel connection after with control after
Electric appliance K2 coils are connected, and circuit both ends are attached to the DC24V control power supplys protected through AC/DC power supply DCP1 output terminals fuse；
First control relay K1 normally opened contacts are connected with the blocking coil A1-A2 of mechanical converter K3, and circuit both ends are attached to
DC24V through the protection of AC/DC power supply DCP1 output terminals fuse controls power supply；Mechanical converter K3 normally opened contacts, second
Control relay K2 normally opened contacts are connected with mechanical converter K3 trip coils E1-E2, and circuit both ends are attached to through AC/DC
The DC24V control power supplys of power supply DCP1 output terminals fuse protection；Energization delay relay KT1 coils both ends are attached to through AC/
The DC24V control power supplys of DC power supply DCP1 output terminals fuse protection；
After this circuit-breaker QF1 is connected, control power supply has electricity.Press starting button SB1, the first control relay K1 lines
It encloses electric and is kept through itself normally opened contact, main A.C. contactor KM1 coils are obtained electric and kept, and KM1 main contacts is connected, electronic
Machine starting operation, the blocking coil A1-A2 of mechanical converter K3 obtain electric, K3 contacts locking；During motor normal operation, press
Lower stop botton SB2, the second control relay K2 coils obtain electric, the first control relay K1 coil losing electricities, main A.C. contactor
KM1 coil losing electricities, KM1 main contacts disconnect, and motor is out of service, and the trip coil E1-E2 of mechanical converter K3 is obtained
Electricity, the unlock of K3 contacts；If motor overloads in the process of running, the normally-closed contact of thermal overload relay FT1 disconnects, main exchange
Contactor KM1 coil losing electricities, KM1 main contacts disconnect, motor is out of service, second control relay K2 coils obtain it is electric, first
Relay K1 coil losing electricities are controlled, the trip coil E1-E2 of mechanical converter K3 obtains electric, K3 contacts unlock.
In motor operation course, electric network source dead electricity, control power supply dead electricity, motor will also stop due to dead electricity therewith
Machine.Main A.C. contactor KM1 coils, the first control relay K1 coils, energization delay relay KT1 coils, mechanical latching after
The blocking coil A1-A2 of electric appliance K3 discharges, but due to mechanical release relay K3 trip coil not it is electric, K3 is still protected contact
Hold former on-state.After electric network source restores, energization delay relay KT1 coils obtain it is electric, through preset time delays
Normally opened contact is closed afterwards, and since mechanical release relay K3 is latched, K3 is still connected contact, and the first control relay K1 coils are again
It obtains electric and keeps, K1 normally opened contacts re-close, and main A.C. contactor KM1 coils are obtained electric and kept, and KM1 main contacts is connected, electricity
Machine restarts operation.
In electric network source voltage and frequency location free procedure, due to main A.C. contactor KM1 employ wide-range voltage and
The coil of frequency can work normally in the range of entire fixed or frequency pressure of floating；And the first control relay K1, the second control
The coil voltage of relay K2, mechanical converter K3 and energization delay relay KT1 select DC24V fixed voltages
Meet control needs.
The utility model has simple, economical and practical, the applicable supply voltage of circuit compared with the control circuit of the prior art
With frequency range it is wide the advantages that.
In addition to the implementation, the utility model can also have other embodiment, and such as selection is suitable according to actual needs
Control transformer TC1 no-load voltage ratios and A.C. contactor KM1 coil voltages range can meet different ship power supplies fix and float frequency
The requirement that motor starter sequential firing controls under the conditions of pressure；Cancel energization delay relay KT1, it is real by KT1 contact short circuits
The schemes such as existing 0 second sequential firing time, all fall in the protection domain of the requires of the utility model.
Claims (6)
- It is a main circuit, secondary including main circuit, a secondary control loop 1. a kind of marinemotor start-stop control circuit Control loop connects each component by electric power connection line and forms；It is characterized in that：Main circuit is by circuit breaker Q F1, main friendship Stream contactor KM1, thermal overload relay FT1 are connected between ac control power supply and motor and form, secondary control loop by Control transformer TC1, main A.C. contactor KM1 coils, AC/DC power rectifier modules DCP1, starting button SB1, stop botton SB2, the first control relay K1, the second control relay K2, mechanical converter K3 are connected with energization delay relay KT1 It forms；The coil of the normally-closed contact of thermal overload relay FT1, the normally opened contact of the first control relay K1 and main contactor KM1 Exchange connection circuit in series, exchange connection line input are exchanged through transformer TC1 is controlled to be connected to ac control power supply Connection line output is connected with direct current connection circuit through AC/DC power rectifier modules DCP1；Direct current connection line input connects Be connected to AC/DC power rectifier modules, output terminal be connected in parallel to the first direct current branch, the second direct current branch, third direct current branch, Five articles of 4th direct current branch, the 5th direct current branch DC lines；First direct current branch circuit by the contact of starting button SB1, the normally opened contact of the first control relay K1, mechanical latching after After the normally opened contact parallel connection of electric appliance K3, then it is connected in series with the normally opened contact of the second control relay K2, the first control relay K1 Coil form, the normally opened contact of mechanical converter K3 connect with the contact series of energization delay relay KT1 after again with The contact of starting button SB1, first control the normally opened contact of relay K1 to be connected in parallel；Second direct current branch circuit is by the company of series connection after the contact of stop botton SB2, the normally opened contact parallel connection of thermal overload relay FT1 Connect the second control relay K2 systems coil composition；Third direct current branch circuit is by the first control relay K1 normally opened contacts and the blocking coil A1- of mechanical converter K3 A2 is in series；4th direct current branch circuit by the normally opened contact of mechanical converter K3, the normally opened contact of the second control relay K2 with The trip coil E1-E2 of mechanical converter K3 is in series；5th direct current branch connection has the coil of energization delay relay KT1.
- 2. marinemotor start-stop control circuit according to claim 1, it is characterised in that：The control transformer TC1 is defeated Enter to hold both ends to be connected separately with the first fuse FU1 for being capable of providing overcurrent protection.
- 3. marinemotor start-stop control circuit according to claim 1, it is characterised in that：The exchange connection circuit input The second molten breaker FU2 is connected between end and control transformer TC1 output terminals.
- 4. marinemotor start-stop control circuit according to claim 1, it is characterised in that：The AC/DC power rectifiers mould Third, which is connected with, between block DCP1 output terminals and direct current connection circuit melts breaker FU3.
- 5. marinemotor start-stop control circuit according to claim 1, it is characterised in that：The main A.C. contactor KM1 Coil voltage ranging from AC100V~250V.
- 6. marinemotor start-stop control circuit according to claim 1, it is characterised in that：The AC/DC power rectifiers mould Block DCP output terminals control power supply for DC24V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721638596.3U CN207530730U (en) | 2017-11-30 | 2017-11-30 | Marinemotor start-stop control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721638596.3U CN207530730U (en) | 2017-11-30 | 2017-11-30 | Marinemotor start-stop control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207530730U true CN207530730U (en) | 2018-06-22 |
Family
ID=62579698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721638596.3U Withdrawn - After Issue CN207530730U (en) | 2017-11-30 | 2017-11-30 | Marinemotor start-stop control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207530730U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111371344A (en) * | 2020-03-13 | 2020-07-03 | 上海外高桥造船有限公司 | Starting circuit for autotransformer of three-phase motor |
-
2017
- 2017-11-30 CN CN201721638596.3U patent/CN207530730U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111371344A (en) * | 2020-03-13 | 2020-07-03 | 上海外高桥造船有限公司 | Starting circuit for autotransformer of three-phase motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180622 Effective date of abandoning: 20230926 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180622 Effective date of abandoning: 20230926 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |