CN208571959U - A kind of fly frame reduced-voltage starting automatic control device - Google Patents
A kind of fly frame reduced-voltage starting automatic control device Download PDFInfo
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- CN208571959U CN208571959U CN201820544636.6U CN201820544636U CN208571959U CN 208571959 U CN208571959 U CN 208571959U CN 201820544636 U CN201820544636 U CN 201820544636U CN 208571959 U CN208571959 U CN 208571959U
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- motor contactor
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- control motor
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Abstract
The utility model provides a kind of fly frame reduced-voltage starting automatic control device, including passing through the sequentially connected major loop breaker of three phase mains, first control motor contactor, electrothermal relay, motor, the fly frame reduced-voltage starting automatic control device further includes the second control motor contactor, third controls motor contactor, the utility model has the beneficial effects that this circuit is using the first control motor contactor, second control motor contactor, third controls motor contactor and automatically controls to complete Y- △ reduced-voltage starting, the larger requirement for being able to satisfy frequent starting of contact capacity of the second control of Y shape starting motor contactor in circuit.
Description
Technical field
The utility model relates to textile technology fields, and in particular to a kind of fly frame reduced-voltage starting automatic control device.
Background technique
For fly frame in the moment of starting, power grid needs to bear biggish load, causes power grid unstable, is easy to cause and jump
Lock.Therefore it needs to provide a kind of technical solution that can reduce network load.
Summary of the invention
The utility model overcomes the shortcomings of that background technique provides a kind of fly frame reduced-voltage starting automatic control device.
The utility model provides following technical proposals: a kind of fly frame reduced-voltage starting automatic control device, including passes through
The sequentially connected major loop breaker 1, first of three phase mains 5 controls motor contactor 2, electrothermal relay 3, motor 4, special
Sign is, the fly frame reduced-voltage starting automatic control device further includes that the second control motor contactor 6, third control are electronic
Machine contactor 7, the second control motor contactor 6 are connected into Y shape starting, and the third control motor contactor 7 is connected into
The operating of △ shape total pressure, any two-phase of the three phase mains 5 access control circuit, the control circuit include electric delay relay
Device, start button 8, scram button 9, first coil 10, described the electric delay relay of the first control motor contactor 2
The tertiary coil 12 of the second coil 11, second control motor contactor 6 of device, third control the 4th of motor contactor 7
Coil 13 is connected with each other, obtains electric time-delay relay normally-closed contact 14 and concatenates with the tertiary coil 12, it is normal to obtain electric time-delay relay
It opens contact 15 to concatenate with the 4th coil 13, self-holding contact 16, the electrothermal relay 3 of the first control motor contactor 2
Overload break contact 17 access the common end of the control circuit, the start button 8 and the self-holding contact 16 simultaneously connect, institute
Scram button 9 is stated set on electric power loop.
It is connect the utility model has the beneficial effects that this circuit controls motor using the first control motor contactor 2, second
Tentaculum 6, third control motor contactor 7 automatically control to complete Y- △ reduced-voltage starting, the second control of Y shape starting electricity in circuit
The larger requirement for being able to satisfy frequent starting of the contact capacity of motivation contactor 6.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Specific embodiment
The utility model is further described below in conjunction with attached drawing and specific embodiment.
In Fig. 1: major loop breaker 1, first controls motor contactor 2, electrothermal relay 3, motor 4, three phase mains
5, second control motor contactor 6, third control motor contactor 7, start button 8, scram button 9, first coil 10,
The second coil 11 of electric time-delay relay is obtained, tertiary coil 12, the 4th coil 13, electric time-delay relay normally-closed contact 14 is obtained, obtains
Electric time-delay relay normally opened contact 15, self-holding contact 16, overload break contact 17.
A kind of fly frame reduced-voltage starting automatic control device, including pass through the open circuit of the sequentially connected major loop of three phase mains 5
Device 1, first controls motor contactor 2, electrothermal relay 3, motor 4, which is characterized in that the fly frame reduced-voltage starting is automatic
Control device further includes the second control motor contactor 6, third control motor contactor 7, the second control motor
Contactor 6 is connected into Y shape starting, and the third control motor contactor 7 is connected into the operating of △ shape total pressure, the three phase mains 5
Any two-phase accesses control circuit, the control circuit include electric time-delay relay, start button 8, scram button 9 are described
The first coil 10 of first control motor contactor 2, the second coil 11, second control for obtaining electric time-delay relay are electronic
Tertiary coil 12, the 4th coil 13 of third control motor contactor 7 of machine contactor 6 are connected with each other, obtain electric delay relay
Device normally-closed contact 14 is concatenated with the tertiary coil 12, is obtained electric time-delay relay normally opened contact 15 and is gone here and there with the 4th coil 13
It connects, the self-holding contact 16 of the first control motor contactor 2, the overload break contact 17 of electrothermal relay 3 access the control
The common end of circuit processed, the start button 8 and the self-holding contact 16 simultaneously connect, and the scram button 9 is set to electric power loop.
Major loop breaker 1, first controls motor contactor 2, electrothermal relay 3, motor 4, three phase mains 5, second
Control motor contactor 6, start button 8, scram button 9, first coil 10, obtains electric prolong at third control motor contactor 7
When the second coil 11 of relay, tertiary coil 12, the 4th coil 13, electric time-delay relay normally-closed contact 14, electric delay
Relay normally open contact 15, self-holding contact 16, overload break contact 17.
Start button 8 is pressed, first coil 10, the second coil 11 for obtaining electric time-delay relay obtain electric actuation and 8 closures
It is self-locking, while electric time-delay relay trigger is obtained, it connects the second control motor contactor 6 and starts at Y shape, the second control electricity
The coil of motivation contactor 6 is attracted.In first coil 10, after tertiary coil 12 obtains electric actuation, the first control motor contactor
2, the second control respective three-phase main contacts of motor contactor 6 closure, motor winding obtain the electric y shape that is connected into and be depressured
It is dynamic.After obtaining electric time-delay relay delay, the electric time-delay relay normally-closed contact 14 that obtains for obtaining electric time-delay relay is first disconnected, and is cut
Second control 6 wire loop power supply of motor contactor of y shape connection of having broken, the power-off release of tertiary coil 12, the second control
6 three-phase main contacts of motor contactor disconnects, and motor winding Y point releases.At the same time, another group of electric time-delay relay is obtained
The normally opened contact closure for obtaining electric timing closing has connected △ shape operating 13 ring current of the 4th coil of A.C. contactor, third control
7 three-phase main contacts of motor contactor closure processed, motor winding are operated by y shape reconfiguration at △ shape total pressure.So far entire y △ is opened
It is dynamic to terminate, to complete to start the Automatic Control operated to △ shape by Y shape.
Claims (1)
1. a kind of fly frame reduced-voltage starting automatic control device, including pass through three phase mains (5) sequentially connected major loop open circuit
Device (1), the first control motor contactor (2), electrothermal relay (3), motor (4), which is characterized in that the fly frame decompression
Starting automatic control device further includes the second control motor contactor (6), third control motor contactor (7), and described the
Two controls motor contactor (6) are connected into Y shape starting, and third control motor contactor (7) is connected into the operating of △ shape total pressure,
Any two-phase of the three phase mains (5) accesses control circuit, the control circuit include electric time-delay relay, start button
(8), scram button (9), the first coil (10) of first control motor contactor (2), described the electric time-delay relay
The second coil (11), second control motor contactor (6) tertiary coil (12), third control motor contactor (7)
The 4th coil (13) it is connected with each other, obtain electric time-delay relay normally-closed contact (14) and concatenated with the tertiary coil (12), obtained electric
Time-delay relay normally opened contact (15) is concatenated with the 4th coil (13), and described first controls oneself of motor contactor (2)
The common end of overload break contact (17) the access control circuit of lock contact (16), electrothermal relay (3), the start button
(8) with the self-holding contact (16) and connect, the scram button (9) is set to electric power loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820544636.6U CN208571959U (en) | 2018-04-17 | 2018-04-17 | A kind of fly frame reduced-voltage starting automatic control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820544636.6U CN208571959U (en) | 2018-04-17 | 2018-04-17 | A kind of fly frame reduced-voltage starting automatic control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208571959U true CN208571959U (en) | 2019-03-01 |
Family
ID=65481469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820544636.6U Active CN208571959U (en) | 2018-04-17 | 2018-04-17 | A kind of fly frame reduced-voltage starting automatic control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208571959U (en) |
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2018
- 2018-04-17 CN CN201820544636.6U patent/CN208571959U/en active Active
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