CN220438770U - Remote control system of generator set - Google Patents

Abstract

The utility model relates to the field of remote control, and particularly discloses a remote control system of a generator set, which comprises an engine set, a set controller and a remote controller, wherein the generator set is connected with a load circuit and is connected with the set controller through a control loop, the control loop end and the load end of the engine set are both connected with a surge protector, the surge protector is connected with the set controller, an insulation detector is connected with the remote controller through the set controller, the remote controller is connected with a buzzer, the set controller is connected with a sensing unit for monitoring the generator set, and the set controller is connected with the remote controller through a wire harness; according to the utility model, the remote controller is used for remotely controlling the unit controller, so that remote real-time monitoring and control can be performed, the hidden danger of the operation of the unit is known and checked at the first time, and meanwhile, the safety protection is emphasized, so that the damage of the power generator unit caused by surge impact is prevented, and the property loss and even the personal safety problem are solved.

Description

Remote control system of generator set

Technical Field

The utility model relates to the field of remote control, in particular to a remote control system of a generator set.

Background

With the development of the times, the human activity range is larger and larger, and from a luxurious city to a mountain area, a forest where people are rare, a hot desert and an island in the sea all have the footprints of human beings, and as long as the activities exist, equipment needing electric power, such as a generator, an electric motor, a steam turbine, a gas turbine and the like, are necessarily needed. The generator has wide application, can flexibly select types according to different requirements and different environments, and is convenient for mobile transportation to meet the requirements of customers.

For Internet data centers, 5G base station cloud computing, petroleum exploitation areas and even the exploitation areas of the barren smoke, a remote control and monitoring system is designed, the operation condition of a generator set is monitored through remote equipment of a monitor or a detector, an administrator is helped to effectively control and manage infrastructure, and the operation condition of the generator set can be known outside kilometers only by a small number of people.

The common generator set has a plurality of defects, such as noise, cardiovascular system diseases and hearing decline caused by long-time machine room; also toxic gas, strong odor can cause uncomfortable feeling of human body, and dizziness and chest distress can be caused for a long time. It is not necessary to stay in the machine room, and safety hazards such as electric shock, generator flywheel and fire are presented to the accessories of the power generation equipment, so that safety protection is also important.

Disclosure of Invention

Aiming at the existing problems, the utility model provides a remote control system of a generator set, which can effectively solve the problems in the background technology.

In order to solve the problems, the utility model adopts the following technical scheme:

the utility model provides a remote control system of generating set, its includes engine unit, unit controller and remote controller, the generating set is connected with the load circuit and is connected with the unit controller through control loop, the control loop end and the load end of engine unit all are connected with surge protector, surge protector is connected with the unit controller, and insulation detector, it is used for measuring insulation resistance in the ground connection circuit and is connected with the relay on the insulation circuit, insulation detector passes through the unit controller and is connected with remote controller, remote controller is connected with bee calling organ, the sensing unit that is used for monitoring the generating set is connected to the unit controller, the unit controller passes through the pencil and is connected with remote controller.

As still further aspects of the utility model: the sensing unit comprises a temperature sensor, a pressure sensor, a current and voltage sensor and a liquid level sensor, and can monitor the current and voltage of the generator set, the voltage of a battery, the temperature of the generator and the water tank, the oil level of the oil tank and the ambient temperature through a remote monitor.

As still further aspects of the utility model: the intelligent control system is characterized by further comprising a unit control cabinet, wherein the unit controller is arranged in the unit control cabinet, and a main breaker, a shunt release, a miniature breaker and a relay which are connected into a control loop are further arranged in the unit control cabinet, the insulation detector is arranged in the unit control cabinet, and an X2 terminal strip connected with the unit controller is arranged on the unit control cabinet.

As still further aspects of the utility model: the remote control cabinet is internally provided with a warning lamp connected into a buzzer circuit, the buzzer is arranged in the remote control cabinet, and an X3 terminal strip connected with an X2 terminal strip is also arranged in the remote control cabinet.

As still further aspects of the utility model: the unit control cabinet is also provided with a first emergency stop switch, a first power switch and a main switch, and the remote control cabinet is also provided with a second emergency stop switch, a second power switch, a unit operation indicator light and an oil filling pump switch.

As still further aspects of the utility model: the unit controller is also connected with an air preheater, and the air preheater is arranged in an oil tank of the engine unit.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the remote controller is used for remotely controlling the unit controller, so that remote real-time monitoring and control can be performed, the problem of first time awareness and investigation of hidden danger caused by operation of the unit is solved, meanwhile, the safety protection is emphasized, the damage of the power generator unit caused by surge impact is prevented, the property loss and even the personal safety problem are caused, the whole wiring is simple, the reliability and the efficiency are improved, the cost is saved, the power generator unit is simply, effectively and safely monitored, the operation and maintenance efficiency is regulated, and the feedback is monitored in real time. The workload of the original daily safety inspection generator set is changed, the controller log and the alarm record are checked, the problem of the generator set can be found by running the log, and the management cost is reduced. The equipment use efficiency is improved, the equipment maintenance cost is reduced, and the operation of an administrator and the life danger are easy to reduce.

Drawings

FIG. 1 is a schematic diagram of an external structural connection of a remote control system for a generator set;

FIG. 2 is a diagram of an electrical connection of a central unit controller of a remote control system for a generator unit;

FIG. 3 is a diagram of the electrical connections of a medium-to-remote controller of a remote control system for a generator set;

FIG. 4 is a diagram showing an electrical connection between an insulation detector and a buzzer of a remote control system of a generator set;

fig. 5 is a schematic diagram of a switching circuit of a remote control system of a generator set.

In the figure: 1. an engine block; 2. a unit controller; 3. a remote controller; 4. a load line; 5. a control loop; 6. a surge protector; 7. an insulation detector; 8. a buzzer; 9. a sensing unit; 10. a unit control cabinet; 11. an X2 terminal block; 12. a remote control cabinet; 13. a warning light; 14. an X3 terminal block; 15. a first scram switch; 16. a first power switch; 17. a main cut-off switch; 18. a second emergency stop switch; 19. a unit operation indicator lamp; 20. a fuel pump switch; 21. a second power switch; 22. an air preheater.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The present embodiment provides a remote control system for a generator set, which includes an engine set 1, a set controller 2 and a remote controller 3, wherein the generator set is connected with a load circuit 4 and is connected with the set controller 2 through a control loop 5, the control loop 5 end and the load end of the engine set 1 are both connected with a surge protector 6, the surge protector 6 is connected with the set controller 2, an insulation detector 7 is used for measuring insulation resistance in a grounding circuit and is connected with a relay on the insulation circuit, the insulation detector 7 is connected with the remote controller 3 through the set controller 2, the remote controller 3 is connected with a buzzer 8, the set controller 2 is connected with a sensing unit 9 for monitoring the generator set, the set controller 2 is connected with the remote controller 3 through a wire harness, and the remote controller 3 is also connected with a memory for storing data, so that the subsequent recording and inquiry can be conveniently performed.

In this example, the unit controller 2 is an HGM6120NC controller, the remote controller 3 is an HGM6120NC-RM controller, the wire harnesses of the two controllers are connected through an RS485 interface, specifically, the maximum distance can reach 1200 meters, the ports of the numbers 1 and 2 of the two controllers are plugged into the power line numbers GND and 1, the controllers are started, and the remote controller 3 and the unit controller 2 display a remote mode in a fourth liquid crystal line, which indicates that the remote control mode is effective.

According to the installation place and the attach importance of generating set, the design to control circuit 5 is also different, internet data center, power plant, commercial floor, open-air, under this kind of operational environment, generating set just need install surge protector 6 and lightning rod, prevents that lightning impulse from causing unable prosthetic harm to equipment, and the surge mainly comes from two aspects: external (lightning) and internal (electrical equipment on-off and fault). The surge characteristics are usually very short time, subtle and millisecond, but the overvoltage and overcurrent are extremely large, and the overvoltage and overcurrent exceed the bearing limit of electrical equipment instantaneously, so that the equipment is damaged, the controller is likely to burn out, the control loop 5 burns, the circuit breaker fuses and bursts, even the generator is self-ignited, and the whole generator set is completely scrapped. In special use scenarios, therefore, surge protector 6 must be installed, limiting overvoltage and bleed current.

The surge protector 6 uses the De-Lixi surge protector 6, and is also provided with a special protection device for the surge protector 6, such as CDYN-II 65kA 3P+N 440V and CDYNSCB-6565 kA/breaking capacity 65kA 4P, which are matched for use, so as to prevent the short circuit failure of the surge protector 6 under high surge, and the internal thermal disconnection device is too short to be a fused protection device. The surge protector 6 type selection parameters generally see three: voltage protection level, rush current (maximum amplified current), maximum sustained operating voltage. The lower the voltage protection level is, the better the protection effect is; the higher the impulse current is, the better the lightning protection effect is; the higher the maximum continuous operating voltage is, the long-term safety is good. The type can be selected according to the self requirement, the maximum discharge current of CDYN-II 65kA 3P+N 440V can reach 65KA, the maximum continuous working voltage is 440V, and the voltage protection level is 2.2KV. The surge protector 6 is respectively arranged at the end of the engine unit 1 and the load end, and respectively protects the control loop 5 and the load output of the generator unit, and when a surge condition occurs, the whole system is ensured as safely as possible. The control circuit is protected, the Schneider relay is additionally provided with an anti-surge protection plug-in RXM040W/DC6-230V, and when surge voltage comes, the control of the control circuit is protected. And meanwhile, when the current transformer senses a current which is 1.1 times greater than the rated current, the controller can automatically stop.

The sensing unit 9 comprises a temperature sensor, a pressure sensor, a current-voltage sensor and a liquid level sensor, and can monitor the current voltage, the battery voltage, the internal and water tank temperature of the generator, the oil level of the oil tank and the ambient temperature of the generator set remotely. The running state of the generator set does not need to be checked in the machine room at any time, and the life safety of an administrator is also protected, the risk is reduced in the machine room for a long time, and the risk is also isolated. Even if the situation occurs, the power supply can be automatically fused at the first time, so that the fire disaster problem caused by overlarge current of the control circuit and the load end of the generator is prevented. And the remote controller 3 can monitor various data of the oil machine, the engine voltage and current value, the coolant temperature, the oil pressure and the like. The operation of the generator set, such as start-up, shut-down, reset, and even automatic start-up and shut-down, is performed by the remote control cabinet 12. Of course, the unit controller 2 can also work as the remote controller 3.

The unit controller 2 is installed in the unit control cabinet 10, and the unit control cabinet 10 is also provided with a main breaker, a shunt release, a miniature breaker and a schneider relay which are connected into the control loop 5, the above components are connected by adopting a conventional electric circuit, which is not described in detail, and the schneider surge protection plug-in is also installed in the unit control cabinet 10. The unit control cabinet 10 is provided with an X2 terminal block 11 connected with the unit controller 2. The remote controller 3 is arranged in the remote control cabinet 12, the warning lamp 13 connected into the circuit of the buzzer 8 is further arranged in the remote control cabinet 12, the buzzer 8 is arranged in the remote controller 3, and the X3 terminal strip 14 connected with the X2 terminal strip 11 is further arranged in the remote control cabinet 12.

The insulation detector 7 is installed in the unit control cabinet 10, the insulation detector 7 is an insulation monitor of an ungrounded power supply system, as shown in fig. 4, the 11 and 12 ports of the insulation detector 7 are output relay wiring ports, the K4 contact is connected to the X2 terminal block 11, and finally the output relay is reset when the insulation resistance is smaller than a set threshold value, and the buzzer 8 of the remote control cabinet 12 is in alarm stop at the moment, so that the leakage alarm indication function is achieved.

The unit control cabinet 10 is also provided with a first emergency stop switch 15, a first power switch 16 and a main switch 17, the main switch 17 is used for actively controlling the opening and closing of a main breaker, the remote control cabinet 12 is also provided with a second emergency stop switch 18, a second power switch 21, a unit operation indicator lamp 19 and an oil filling pump switch 20, and the switches and the lamp bodies are arranged on the panels on the corresponding cabinet bodies, and the connecting circuits are shown in figures 3 and 5.

Different environments need different consideration, and in the region with low ambient temperature, the engine needs to be preheated, so the unit controller 2 is also connected with an air preheater 22, the air preheater 22 is arranged in the oil tank of the engine unit 1, the fuel oil is prevented from freezing in the oil pipe, and the generator unit normally operates. The pull-out wire 250 of the output port 9 of the unit controller 2 is connected with the wire 250 of the remote control cabinet 12, and the unit operation indicator lamp 19 is turned on to indicate that the generator unit is successfully operated.

The working principle of the utility model is as follows: the remote control is carried out on the unit controller 2 through the remote controller 3, remote real-time monitoring and control can be carried out, hidden danger appears in the operation of the unit, the problem is known and checked at the first time, meanwhile, the safety protection is emphasized, the damage to the generator set caused by surge impact is prevented, the property loss and even personal safety problem are caused, the whole wiring is simple, the reliability and the efficiency are improved, the cost is saved, the generator set is simply, effectively and safely monitored, the operation and maintenance efficiency is regulated, and the feedback is monitored in real time. The workload of the original daily safety inspection generator set is changed, the controller log and the alarm record are checked, the problem of the generator set can be found by running the log, and the management cost is reduced. The equipment use efficiency is improved, the equipment maintenance cost is reduced, and the operation of an administrator and the life danger are easy to reduce.

It is noted that relational terms such as first and second, and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions, and further, that the terms "comprise," "include," or any other variation thereof, are intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements, but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a remote control system of generating set, its includes engine unit, unit controller and remote controller, its characterized in that, the generating set is connected with the load circuit and is connected with the unit controller through control loop, the control loop end and the load end of engine unit all are connected with surge protector, surge protector is connected with the unit controller, and insulation detector, it is used for measuring insulation resistance in the ground line and is connected with the relay on the insulation circuit, insulation detector is connected with remote controller through the unit controller, remote controller is connected with bee calling organ, the sensing unit that is used for monitoring the generating set is connected to the unit controller, the unit controller is connected with remote controller through pencil.

2. The remote control system of a generator set according to claim 1, wherein the sensing unit comprises a temperature sensor, a pressure sensor, a current-voltage sensor and a liquid level sensor, and is capable of remotely monitoring the current voltage, the battery voltage, the generator internal and water tank temperature, the tank level, and the ambient temperature of the generator set.

3. The remote control system of a generator set according to claim 1, further comprising a set control cabinet, wherein the set controller is installed in the set control cabinet, and a main breaker, a shunt release, a miniature breaker and a relay which are connected into a control loop are further arranged in the set control cabinet, the insulation detector is installed in the set control cabinet, and an X2 terminal block connected with the set controller is installed on the set control cabinet.

4. The remote control system of a generator set according to claim 3, further comprising a remote control cabinet, wherein the remote control cabinet is internally provided with a warning lamp connected to a buzzer circuit, the buzzer is installed in the remote control cabinet, and the remote control cabinet is internally provided with an X3 terminal block connected with the X2 terminal block.

5. The remote control system of a generator set according to claim 4, wherein the set control cabinet is further provided with a first scram switch, a first power switch and a main switch, and the remote control cabinet is further provided with a second scram switch, a second power switch, a set operation indicator light and a fuel pump switch.

6. A remote control system for a generator set according to claim 1, wherein the set controller is further connected to an air preheater.