CN216721015U - Device for powering on, starting, stopping and powering off of one-key remote control power station - Google Patents

Device for powering on, starting, stopping and powering off of one-key remote control power station Download PDF

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Publication number
CN216721015U
CN216721015U CN202123266915.1U CN202123266915U CN216721015U CN 216721015 U CN216721015 U CN 216721015U CN 202123266915 U CN202123266915 U CN 202123266915U CN 216721015 U CN216721015 U CN 216721015U
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China
Prior art keywords
relay
normally open
open contact
power
power supply
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CN202123266915.1U
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李永胜
钟节锋
万新云
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Jiangxi Tsinghua Taihao Sanbo Motor Co Ltd
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Jiangxi Tsinghua Taihao Sanbo Motor Co Ltd
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Abstract

The application relates to a device for powering on, starting/stopping and powering off a one-key remote control power station, which comprises a starting button, a first relay, a second relay, a third relay, a PLC, a generator set controller, a first power supply and a second power supply; the starting button and the first power supply are arranged in the remote control box; the first relay, the second relay, the third relay, the PLC, the generator set controller and the second power supply are arranged in the power station; the first relay is used for transmitting a control signal of a starting button, the third relay is used for realizing delayed power-off of a second power supply, the PLC and the generator set controller are used for realizing combined control, and the generator set controller and the PLC are connected through a network port. The utility model can realize remote one-key startup shutdown and automatically power off after the unit is shutdown, simplifies the number of remote control end operation buttons and improves the operation efficiency of operators.

Description

Device for powering on, starting, stopping and powering off of one-key remote control power station
Technical Field
The application relates to the field of remote start control of power stations, in particular to a device for one-key remote control of power station power-on start/stop power-off.
Background
In the supporting use in power station and consumer, for convenient operation, some users can require to increase remote control to the control in power station, carry out remote control to the power station through the remote control box promptly, control diesel generating set in the power station start, shut down, combined floodgate and separating brake. The remote control box is generally installed at the user side and is provided with more knobs or buttons, so that the panel of the remote control box is more complex, the operation is more complicated, and the operation efficiency is influenced.
Disclosure of Invention
The utility model aims to provide a device for power-on starting/stopping and power-off of a one-key remote control power station, which can realize remote one-key starting and stopping, automatically power off after a unit stops and simplify the number of operating buttons at a remote control end.
The technical scheme adopted by the utility model is as follows: a device for power-on starting/stopping and power-off of a one-key remote control power station comprises a starting button, a first relay, a second relay, a third relay, a PLC, a generator set controller, a first power supply and a second power supply; one end of the starting button is connected with the positive electrode of the second relay coil, and the other end of the starting button is connected with the positive electrode of the first power supply; the negative electrode of the first power supply is connected with the negative electrode of the second relay coil; the positive electrode of the second power supply is connected with a first normally open contact of a first relay, one end of the first normally open contact of the second relay is connected with the first normally open contact of the first relay, the other end of the first normally open contact of the second relay is connected with the positive electrode of the coil of the first relay, one end of a third normally open contact of the first relay is connected with the first normally open contact of the first relay, and the other end of the third normally open contact of the first relay is connected with the input end of the PLC; the negative electrode of the second power supply is respectively connected with the negative electrode of the first relay coil, the second normally open contact of the first relay and the negative electrode of the third relay coil; the other end of the second normally open contact of the first relay is connected with the generator set controller; the positive electrode of the third relay coil is connected with the output end of the PLC, and a first normally open contact of the third relay is connected with a first normally open contact of the first relay in parallel; and the generator set controller is connected with the PLC through a network port.
Further, the system also comprises a rotating speed sensor, and the rotating speed sensor is connected with the generating set controller.
Furthermore, the starting button and the negative pole of the first power supply are connected with a plug of the connector, and the coil of the second relay is connected with a socket of the connector.
Further, the PLC controls the third relay to be powered off in a delayed mode after the starting button is turned off, and the delay time is 3-5 s.
The remote control box has the advantages that the diesel generating set in the power station can be remotely controlled to start or stop only through one starting button, the stop button does not need to be additionally arranged, the PLC can control the power station to automatically cut off the power after the diesel generating set stops, the diesel generating set can be ensured to stably stop, one-key power cut-off can also be realized, an operator does not need to return to the power station to turn off a direct-current power supply of a power station system, a power switch does not need to be additionally arranged on the remote control box, the operation panel of the remote control box is effectively simplified, the size of the remote control box is further reduced, and meanwhile, the working efficiency of the operator is also improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a control schematic of the present invention;
FIG. 2 is a ladder diagram of the internal logic of the PLC of the present invention.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments disclosed below.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. The use of "first," "second," and similar terms in the description and claims of this patent application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. Also, the use of the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships are changed accordingly.
As shown in fig. 1-2, a device for power-on start/stop and power-off of a one-key remote control power station comprises a start button SB01, a first relay KA01, a second relay KA02, a third relay KA03, a PLC, a generator set controller, a first power supply BAT01 and a second power supply BAT 02; one end of the starting button SB01 is connected with the positive electrode of the coil of the second relay KA02, and the other end of the starting button SB01 is connected with the positive electrode of the first power supply BAT 01; the negative electrode of the first power supply BAT01 is connected with the negative electrode of the coil of the second relay KA 02; the positive electrode of the second power supply BAT02 is connected with a first relay normally open contact KA01-1O, one end of the second relay normally open contact KA02-1O is connected with the first relay normally open contact KA01-1O, the other end of the second relay normally open contact KA02-1O is connected with the positive electrode of the first relay KA01 coil, one end of a first relay third normally open contact KA01-3O is connected with the first relay normally open contact KA01-1O, and the other end of the first relay third normally open contact KA01-3O is connected with the input end of the PLC; the negative electrode of the second power supply BAT02 is respectively connected with the negative electrode of the coil of the first relay KA01, the negative electrode of the coil of the first relay second normally open contact KA01-2O and the negative electrode of the coil of the third relay KA 03; the other end of the second normally open contact KA01-2O of the first relay is connected with the generator set controller; the positive electrode of the coil of the third relay KA03 is connected with the output end of the PLC, and the first normally open contact KA03-1O of the third relay is connected with the first normally open contact KA01-1O of the first relay in parallel; and the generator set controller is connected with the PLC through a network port.
In actual use, the start button SB01 and the first power supply BAT01 are installed in the remote control box, and are remote control equipment, and the first relay KA01, the second relay KA02, the third relay KA03, the PLC, the generator set controller and the second power supply BAT02 are arranged in the power station and are near-end control equipment. Between the positive pole of start button SB01 one end and second relay KA02 coil, the negative pole of first power BAT01 with between the negative pole of second relay KA02 coil, all connect through the connector, start button SB01 and first power BAT 01's negative pole with the plug XP01 of connector is connected, second relay KA 02's coil with the socket XS01 of connector is connected.
The working principle of the embodiment of the utility model is as follows:
(1) starting up
The starting button SB01 is pressed, the normally open contact of the starting button SB01 is closed, the coil of the second relay KA02 is electrified, the first normally open contact KA02-1O of the second relay is closed, the coil of the first relay KA01 is electrified, the first normally open contact KA01-1O of the first relay, the second normally open contact KA01-2O of the first relay and the third normally open contact KA01-3O of the first relay are closed, the power station is connected with the second power supply BAT02, the generator set controller and the PLC are electrified, meanwhile, the diesel generator set receives a starting signal transmitted by the second normally open contact KA01-2O of the first relay, and the diesel generator set in the power station is controlled to be automatically started and is switched on to supply power to the outside. After an input port I0.0 of the PLC receives a starting signal transmitted by a third normally open contact KA01-3O of the first relay, an output end Q0.0 outputs a high level signal, a coil of the third relay KA03 is electrified, the first normally open contact KA03-1O of the third relay is closed, and locking of a second power supply BAT02 is achieved.
(2) Shutdown
The starting button SB01 is pressed down in the power-on state, the normally open contact of the starting button SB01 is disconnected, the coil of the second relay KA02 is disconnected, the first normally open contact KA02-1O of the second relay is disconnected, the coil of the first relay KA01 is disconnected, the first normally open contact KA01-1O of the first relay, the second normally open contact KA01-2O of the first relay and the third normally open contact KA01-3O of the first relay are disconnected, and under the action of the first normally open contact KA03-1O of the third relay, the second power BAT02 can still supply power for the generator set controller and the PLC. After receiving a stop signal transmitted by the second normally open contact KA01-2O of the first relay, the generator set controller controls the diesel generator set in the power station to be switched off and stopped. Meanwhile, after an input port I0.0 of the PLC receives a stop signal transmitted by a third normally open contact KA01-3O of the first relay, an output end Q0.0 of 3-5 s is delayed to output a low level signal, a coil of the third relay KA03 is powered off, the first normally open contact KA03-1O of the third relay is disconnected, and the second power BAT02 is automatically powered off after a generator set of the power station stops. In the embodiment of the utility model, the delay time set by the PLC is 5 s. In order to ensure that the generator set of the power station can be stably stopped, the embodiment of the utility model further comprises a rotating speed sensor ZS01, wherein the rotating speed sensor ZS01 is connected with the generator set controller, and the rotating speed sensor ZS01 is used for detecting the rotating speed of the diesel generator set. After an input port I0.0 of the PLC receives a stop signal transmitted by a third normally open contact KA01-3O of the first relay, the PLC reads data of a rotating speed sensor ZS01 from a generator set controller through a network port, and when the rotating speed measured by a rotating speed sensor ZS01 is 0, delay output is performed, so that a coil of the third relay KA03 is powered off, namely, after the generator set is stopped, a second power supply BAT02 is closed.
Therefore, the diesel generator set in the power station can be remotely controlled to start or stop only by one starting button without additionally arranging a stopping button. A control signal of an actuating button SB01 is transmitted through the first relay KA01, and a normally open contact of the first relay KA01 is opened, so that the shutdown state is represented; the normally open contact of the first relay KA01 is closed, indicating an activated state. The automatic power off after diesel generating set shuts down of the steerable power station of PLC both can guarantee that diesel generating set stably shuts down, also can realize a key outage, and operating personnel need not to return the direct current power supply that the power station system was closed to the power station, and second power BAT02 promptly also need not to add switch on the remote control box, has effectively simplified the operating panel of remote control box, and then has reduced the remote control box volume, has also improved operating personnel's work efficiency simultaneously. The model of the generator set controller adopted in the embodiment of the utility model is HGM8120CAN, and compared with a time delay relay for time delay power failure, the combined control mode of the PLC and the generator set controller is more reliable. The delay relay needs the time required by a field operator for judging the unit stability stopping, and then the delay time is set according to the unit stability stopping, and the unit stability stopping time of each time is not completely the same; the combined control mode of the PLC and the generator set controller is adopted, whether the generator set is in a stable stop state or not can be accurately judged, and the control signal is output in a delayed mode after the generator set is stable stop, so that the control mode has higher reliability.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (3)

1. A device for power-on starting/stopping and power-off of a one-key remote control power station is characterized by comprising a starting button, a first relay, a second relay, a third relay, a PLC, a generator set controller, a first power supply and a second power supply; one end of the starting button is connected with the positive electrode of the second relay coil, and the other end of the starting button is connected with the positive electrode of the first power supply; the negative electrode of the first power supply is connected with the negative electrode of the second relay coil; the positive electrode of the second power supply is connected with a first normally open contact of a first relay, one end of the first normally open contact of the second relay is connected with the first normally open contact of the first relay, the other end of the first normally open contact of the second relay is connected with the positive electrode of the coil of the first relay, one end of a third normally open contact of the first relay is connected with the first normally open contact of the first relay, and the other end of the third normally open contact of the first relay is connected with the input end of the PLC; the negative electrode of the second power supply is respectively connected with the negative electrode of the first relay coil, the second normally open contact of the first relay and the negative electrode of the third relay coil; the other end of the second normally open contact of the first relay is connected with the generator set controller; the positive electrode of the third relay coil is connected with the output end of the PLC, and the first normally open contact of the third relay is connected with the first normally open contact of the first relay in parallel; and the generator set controller is connected with the PLC through a network port.
2. The device for power on/off of a remote control one-touch power station of claim 1 further comprising a speed sensor, said speed sensor being connected to said generator set controller.
3. The device for power on/off of a remote-control one-key power station of claim 2, wherein one end of the start button is connected with the positive pole of the second relay coil, the negative pole of the first power supply is connected with the negative pole of the second relay coil through connectors, the start button and the negative pole of the first power supply are connected with the plug of the connector, and the coil of the second relay is connected with the socket of the connector.
CN202123266915.1U 2021-12-23 2021-12-23 Device for powering on, starting, stopping and powering off of one-key remote control power station Active CN216721015U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202123266915.1U CN216721015U (en) 2021-12-23 2021-12-23 Device for powering on, starting, stopping and powering off of one-key remote control power station

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202123266915.1U CN216721015U (en) 2021-12-23 2021-12-23 Device for powering on, starting, stopping and powering off of one-key remote control power station

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CN216721015U true CN216721015U (en) 2022-06-10

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116780780A (en) * 2023-08-18 2023-09-19 江西清华泰豪三波电机有限公司 Power supply control device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116780780A (en) * 2023-08-18 2023-09-19 江西清华泰豪三波电机有限公司 Power supply control device
CN116780780B (en) * 2023-08-18 2024-01-26 江西清华泰豪三波电机有限公司 Power supply control device

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