CN114153176A

CN114153176A - Engine laboratory safe operation monitoring system

Info

Publication number: CN114153176A
Application number: CN202111158891.XA
Authority: CN
Inventors: 赵明贵; 柳新华; 肖美; 马建清; 翁军
Original assignee: Dongfeng Trucks Co ltd
Current assignee: Dongfeng Trucks Co ltd
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-03-08

Abstract

The invention relates to the technical field of automobile engine tests and discloses an engine laboratory safe operation monitoring system which comprises a sensor, a monitoring host and an actuator, wherein the sensor is arranged on an object to be monitored in a laboratory, the monitoring host is internally provided with a dangerous source, a monitoring amount and a countermeasure scheme of the object to be monitored, the monitoring host acquires the monitoring amount of each monitored object through the sensor, identifies the dangerous source and sends out a corresponding countermeasure scheme to inform each monitored object to execute through the actuator. The safe operation monitoring system for the engine laboratory automatically monitors the dangerous source of the laboratory, automatically executes the protection action by the control strategy aiming at the alarm of the dangerous source, improves the reliability and the automation intelligent level of the safe operation of the laboratory, and protects the safety of personnel and equipment.

Description

Engine laboratory safe operation monitoring system

Technical Field

The invention relates to the technical field of automobile engine tests, in particular to a safe operation monitoring system for an engine test room.

Background

At present, host manufacturers in China do not have a system safe operation monitoring strategy, existing laboratory alarm monitoring is achieved by installing sensors and actuators on an engine test bed, the effect is very simple, only alarm is provided, closed-loop control is lacked, and complete protection execution action is lacked. The whole safe operation form and mechanism are very original and simple, the systems are dispersed and unrelated, the alarming and protecting actions among the systems are avoided, and the concept of networking monitoring is lacked.

Disclosure of Invention

Aiming at the defects of the technology, the invention provides a safe operation monitoring system for an engine laboratory, which can automatically monitor the dangerous source of the laboratory, automatically execute the protection action by a control strategy aiming at the alarm of the dangerous source, improve the reliability and the automation intelligent level of the safe operation of the laboratory and protect the safety of personnel and equipment.

In order to achieve the purpose, the safety operation monitoring system for the engine laboratory, which is designed by the invention, comprises a sensor which is arranged on an object to be monitored in the laboratory, and is characterized in that: the monitoring system comprises a monitoring host and an actuator, wherein the monitoring host is internally provided with a dangerous source, a monitoring amount and a countermeasure scheme of each object to be monitored, the monitoring host acquires the monitoring amount of each object to be monitored through a sensor, identifies the dangerous source and sends out the corresponding countermeasure scheme to inform each object to be monitored to execute through the actuator.

Preferably, the monitoring system further comprises an alarm, and the monitoring host sends an alarm through the alarm after identifying the hazard source.

Preferably, aiming at a laboratory, the monitored objects comprise basement drainage, a gas alarm system, a fire-fighting system, a soundproof door and a video monitoring system, the basement drainage danger source is basement drainage ditch accumulated water, the monitored amount is accumulated water liquid level, and the countermeasure scheme is liquid level alarm; the danger source of the gas alarm system is a THC-free gas sensor in a laboratory, the monitoring amount is gas concentration, the strategy scheme is to add the THC sensor, the danger source of the fire-fighting system comprises that a rack can not alarm when fire-fighting alarm occurs, oil can not be cut off when fire-fighting alarm occurs, a fan can not be stopped and replaced when fire-fighting alarm occurs, and a smoke exhaust fan can not be stopped when fire-fighting alarm occurs, wherein the monitoring amount that the rack can not alarm when fire-fighting alarm occurs is a fire-fighting alarm signal, the strategy scheme is that the rack is powered off when fire-fighting alarm occurs, the monitoring amount that oil can not be cut off when fire-fighting alarm occurs is cut off of an oil supply system, the strategy scheme is that the oil supply system is linked with the fire-fighting system, the monitoring amount that the fan can not be stopped and replaced when fire-fighting alarm occurs is that the fan is started and stopped, the strategy scheme is that the fan is linked with the fire-fighting system, and the monitoring amount that the smoke exhaust fan can not be stopped when fire-fighting alarm occurs is that the smoke exhaust fan is started and stopped, the method comprises the steps that a smoke exhaust fan is linked with a fire fighting system, a danger source of a soundproof door is that the door is frequently opened in the test process, the monitoring amount of the soundproof door is the state of the door, the countermeasure scheme is that an engine is opened and the door is returned to an idle speed, the danger source of a video monitoring system is that a camera monitors the state of the soundproof door without being networked, the monitoring amount of the video monitoring system is video information, and the countermeasure scheme is that the camera is connected with a local area network.

Preferably, to water supply system, the monitoring object includes laboratory water supply, air conditioner circulating water, fuel temperature control cold water, water tower fan and water pump, the danger source of laboratory water supply includes that too high of underground water pool liquid level lacks the warning, the lack of warning of underground water pool lack of water and basement pond and the easy lack of monitoring of leaking of basement, the monitoring volume that too high of underground water pool liquid level lacks the warning is the pond liquid level, the high alarm of countermeasure scheme for increasing underground water pool liquid level, the monitoring volume that the lack of warning of underground water pool lack of water is the pond liquid level, the warning of countermeasure scheme for increasing underground water pool liquid level lack of water, the monitoring volume that basement pond and basement leak easily lack the monitoring is the volume of leaking, the warning of countermeasure scheme for increasing leaks, the danger source of air conditioner circulating water leads to lack of water to influence air conditioner work including circulating water pressure does not control, circulating temperature does not lead to the too high influence air conditioner refrigeration of temperature and second floor pipeline leak water and does not lead to the leak the water and leak the warning and lead to the fact the experiment to cause the first floor to cause the leakage The method comprises the following steps that equipment is damaged, the monitoring quantity of water shortage caused by no monitoring of circulating water pressure to influence the work of the air conditioner is circulating water pressure, a countermeasure scheme is to increase a circulating water pressure alarm device, the monitoring quantity of overhigh temperature caused by no monitoring of circulating temperature to influence the refrigeration of the air conditioner is circulating water temperature, a countermeasure scheme is to increase a circulating water temperature alarm device, the monitoring quantity of leakage of water in a second floor pipeline to cause the damage of test equipment caused by leakage of water to a first floor is water leakage alarm, the countermeasure scheme is to increase a water leakage alarm device in the second floor, the danger source of fuel oil temperature control cold water comprises no monitoring of water temperature and no monitoring of water pressure, the monitoring quantity of water temperature which is not monitored is water temperature, the countermeasure scheme is to increase water pressure monitoring, the danger source of the water tower fan comprises that a test room cannot remotely control the start and stop of a water tower fan and the fan needs to be manually started and stopped when the temperature of circulating water in summer is high, the method comprises the steps that the monitoring quantity of a laboratory which cannot remotely control the start and stop of a water tower fan is in an operating state, the strategy scheme is to increase remote start and stop control, the monitoring quantity of the fan which needs to be manually started and stopped when the temperature of circulating water is high in summer is the temperature of a water pool, the strategy scheme is to automatically start the fan when the temperature of the circulating water is higher than a set temperature, the danger source of a water pump cannot monitor the operating state, the monitoring quantity of the water pump is in the operating state, and the strategy scheme is to remotely monitor the operating state.

Preferably, aiming at the oil supply system, the monitored object is the oil supply of a test room, the danger source of the oil supply of the test room comprises oil leakage at a fuel oil pressure regulating position, oil leakage of a fuel oil temperature control system, pressure failure of an oil pressure gauge, too low oil supply pressure of a fuel supply pipe, too high oil supply pressure of the fuel supply pipe, leakage of engine liquid to a tray of a trolley, lack of an automatic oil cut-off device of the fuel supply pipe and linkage of oil supply cutting and a rack, the monitoring amount of the oil leakage at the fuel oil pressure regulating position is oil leakage liquid level, the monitoring amount of the oil leakage of the fuel oil temperature control system is oil leakage liquid level by adding a liquid level sensor, the monitoring amount of the pressure failure of the oil pressure gauge is oil pressure, the monitoring amount of the oil leakage by adding the liquid level sensor is oil pressure, the monitoring amount of the oil supply pipe with too low oil supply pressure is oil pressure, the monitoring amount of the oil supply pipe by adding the liquid level sensor is oil pressure, the strategy scheme is that a liquid level sensor is added to monitor oil leakage, the monitoring amount from engine leakage to a trolley tray is liquid level, the strategy scheme is to increase liquid level monitoring, the monitoring amount of an oil supply pipe lacking an automatic oil cut-off device is oil supply cut-off, an oil supply pipeline cut-off valve is added, the monitoring amount of oil supply cut-off and rack linkage is controlled by starting and stopping of a rack for supplying power, the strategy scheme is that an electric oil supply valve on the rack is opened, and an electric oil supply valve on the rack is closed.

Preferably, for the compressed air supply system, the monitored object is compressed air, the dangerous source is air pressure of the compressed air is not monitored, the monitored amount is air pressure alarm, and the countermeasure scheme is increased air pressure monitoring and overpressure alarm.

Preferably, for the ventilation system of the test room, the monitoring object comprises an air exchange fan system and a smoke exhaust fan system, the hazard source of the air exchange fan system comprises that the running state of the air exchange fan is not seen around the rack, the air exchange fan is still running and the air exchange fan is automatically switched without hands when the rack is pressed down to be stopped suddenly, the monitoring quantity which is not seen around the rack is the running state, the countermeasure scheme is that the running state of the fan is intensively displayed, the monitoring quantity which is still running when the rack is pressed down to be stopped suddenly is running control, the countermeasure scheme is that the fan is automatically stopped when the rack is stopped suddenly, the monitoring quantity which is automatically switched without hands of the air exchange fan is automatically switched by hands, the countermeasure scheme is that the automatically switched by hands is increased, the hazard source of the smoke exhaust fan system comprises that the running state of the smoke exhaust fan is not seen around the rack and the automatically switched without hands of the smoke exhaust fan, and the monitoring quantity which is not seen around the rack is running state of the smoke exhaust fan, the counter-measure scheme is that the fan operation is displayed, the monitoring amount of the smoke exhaust fan without manual and automatic switching is manual and automatic switching, and the counter-measure scheme is that manual and automatic switching control is added.

Preferably, aiming at the test equipment, the monitoring object comprises a rack, a discharging device and an air conditioning system, the danger source of the rack comprises dynamometer bearing temperature alarm and oil interruption failure when the rack is pressed down for emergency stop, the monitoring quantity of the dynamometer bearing temperature alarm is bearing temperature alarm, the countermeasure scheme is to increase the dynamometer bearing alarm, the monitoring quantity of the oil interruption failure when the rack is pressed down for emergency stop is oil interruption control, the countermeasure scheme is that the rack emergency stop signal can control oil supply pipeline oil interruption, the danger source of the discharging device is ozone leakage of the discharging device, the monitoring quantity is O3 concentration, the countermeasure scheme is that an O3 detector is installed near the discharging instrument, the danger source of the air conditioning system comprises that the air inlet air conditioning temperature cannot be seen in a first floor test room, the air inlet air conditioning air supply pressure cannot be seen in the first floor test room, the unit condensate water leakage and the air inlet air conditioning humidity cannot be seen in the first floor test room, the monitoring quantity of the air inlet air conditioning temperature cannot be seen in the first floor test room is air supply temperature, the method comprises the steps of adding temperature monitoring alarm, wherein the monitoring quantity that the air supply pressure of the air-inlet air conditioner cannot be seen in a first-floor test room is air supply pressure, adding temperature pressure monitoring alarm, the monitoring quantity that unit condensate water leaks is water leakage, installing the unit and leaking the alarm, monitoring the monitoring quantity that the humidity of the air-inlet air conditioner cannot be seen in the first-floor test room is humidity monitoring, and adding humidity monitoring alarm.

Preferably, for the engine, the monitoring object comprises an engine oil supply and exhaust system, the dangerous source of the engine oil supply is THC oil gas and tail gas generated when the engine runs and leaked in a test room, the monitoring amount is gas concentration, the countermeasure scheme is monitoring THC and executing alarm protection, the dangerous source of the exhaust system is exhaust pipeline damage and gas leakage, the monitoring amount is CO concentration monitoring, and the countermeasure scheme is detecting leaked gas concentration and alarming.

Preferably, the monitoring host machine further triggers an alarm by identifying different hidden danger scenes, and controls different monitoring objects to execute actions through the actuator.

Preferably, when a fire in the laboratory is identified, a fire alarm, a flame probe alarm, a temperature and smoke alarm are triggered: when fire alarm signals such as temperature, smoke, flame and the like appear in a laboratory, the PLC triggers the rack to power off, the engine is shut down, the fuel cut-off valve is closed, the fan is shut down, when the fire alarm signals disappear, the rack is manually powered on after the field situation is manually confirmed, and the fire-fighting reason is checked afterwards;

when the oil leakage of the fuel oil temperature control system is identified, the fuel oil temperature control liquid level in the test room gives an alarm: when the oil leakage accumulated liquid is detected by the oil temperature control oil receiving disc in the test room, the system gives an alarm, the oil cut-off valve is cut off, after the liquid level is eliminated, the oil cut-off valve is manually opened, the oil receiving disc discharges oil afterwards, the liquid level probe is cleaned, and the reason of the oil leakage is checked;

when oil leakage at the fuel oil pressure regulating position is identified, the liquid level of the fuel oil receiving disc in the test room gives an alarm: when the oil receiving disc at the fuel oil pressure regulating position of the test room detects leaked liquid, the system gives an alarm, the oil cut-off valve is cut off, after the liquid level is eliminated, the oil cut-off valve is manually opened, the oil receiving disc discharges oil afterwards, the liquid level probe is cleaned completely, and the reason of the leaked oil is checked;

when the oil pressure gauge of the fuel pipeline fails during the test, the pressure of the fuel pipeline during the test gives an alarm: when the oil pressure of the oil pipe is detected to be lower than the set value, the channel gives an alarm, the oil supply valve is automatically cut off, after the pressure is normal, the oil cut-off valve is manually opened, the oil pressure of the oil supply pipe is checked afterwards, and an oil pressure gauge is checked;

when the oil pressure of the fuel pipeline is too high during the identification, the pressure of the fuel pipeline is alarmed during the test: when the oil pressure of the oil pipe is detected to be higher than a set value, the channel gives an alarm, the oil supply valve is automatically cut off, when the pressure is normal, the oil cut-off valve is manually opened, and the oil pressure of the oil supply pipe is checked afterwards;

when the oil pressure of the fuel pipeline is too low during the identification, the pressure of the fuel pipeline is alarmed during the test: when the oil pressure of the oil pipe is detected to be lower than a set value, the channel gives an alarm, the oil supply valve is automatically cut off, when the pressure is normal, the oil cut-off valve is manually opened, and the oil pressure of the oil supply pipe is checked afterwards;

when the engine is identified to leak to the trolley tray, the liquid level of the trolley tray is over high to give an alarm: when the liquid level of the tray is detected to be ultrahigh, the rack alarms, and when the liquid level is not high after drainage, the rack alarms and resets, and then the alarm is not given again, the leakage condition of the engine is checked afterwards, and accumulated liquid is cleaned;

when the oil supply is identified as being cut off and linked with the rack: the bench power supply is powered on, the oil cut-off valve is powered on and switched on, the bench power supply is powered off, the oil cut-off valve is powered off, and the oil cut-off valve is powered off afterwards

When ozone leakage is identified as being generated by the gas discharge cabinet, the channel O3 leakage alarm: ozone leakage generated by the gas emission cabinet, the gas concentration is higher than a set limit value, the sensor gives an alarm, the centralized audible and visual alarm gives an alarm, the ozone leakage fault of the gas emission cabinet is checked and maintained, and the sensor is remotely controlled to alarm or adjust the limit value;

when the THC oil gas leakage generated when the engine runs is identified to be in a test room, the THC alarm in the test room is as follows: THC oil gas generated during the operation of the engine leaks in a test room, the concentration of the THC gas is higher than a set limit value, a sensor gives an alarm, a centralized audible and visual alarm gives an alarm, an oil cut-off valve is cut off, and the leakage of fuel oil or the leakage of an engine body is checked;

when the engine exhaust leakage is identified and the CO gas is higher than the set limit value, the CO alarms: the engine exhausts and leaks, CO gas is higher than a set limit value, a CO sensor gives an alarm, a centralized audible and visual alarm gives an alarm, and the exhaust pipe of the engine is checked to leak gas;

when the water leakage of the circulating water pool is identified to lack monitoring, the water leakage alarm is carried out: when the circulating water pool has liquid leakage and water accumulation, the water leakage alarm gives an alarm, the centralized audible and visual alarm gives an alarm, and the accumulated water is cleaned;

when the liquid level of the circulating cooling water pool is higher than the set liquid level, the cooling water pool is over-limit and gives an alarm: when the liquid level of the circulating cooling water tank is higher than the set liquid level, the centralized alarm gives an alarm to drain water;

when the liquid level of the cooling water pool is lower than the set liquid level, the cooling water pool is lack of water and gives an alarm: if the liquid level of the cooling water pool is lower than the set liquid level, the centralized alarm gives an alarm, automatic or manual water replenishing is carried out, and the reason of water shortage is checked;

when the fuel oil temperature control refrigerating water temperature is identified to be ultrahigh, the fuel oil temperature control refrigerating water temperature gives an alarm: when the temperature of the fuel oil is controlled by temperature and the temperature of the refrigerating water is ultrahigh, a centralized audible and visual alarm gives out an alarm, a refrigerating unit is checked, a circulating water pipeline is checked, and the alarm is eliminated in a centralized control room;

when the water pressure of the fuel temperature control chilled water is identified to be lower than a set limit value, the fuel temperature control chilled water pressure gives an alarm: when the water pressure of the fuel temperature-control chilled water is lower than a set limit value, a centralized audible and visual alarm gives an alarm to check the refrigerating unit and the circulating water pipeline;

when the water temperature of the cooling water pool exceeds the set temperature, the temperature of the cooling water pool is over-limit and is alarmed: when the temperature of the monitoring pool is higher than a set value, remotely and automatically starting 4 water tower fans, starting the water tower fans and checking the flow rate of circulating water;

when the laboratory is identified that the water tower fan can not be remotely controlled to start and stop: the start-stop control signal of the water tower is introduced into the PLC of the laboratory to realize local/remote switching control,

when the camera monitoring is identified to be not networked: the cameras are networked through the switch and the video client;

when it is recognized that the door is frequently opened during the test, the door position state changes: when the engine runs, opening a door of the test room, stopping the engine, and running the engine after closing the door again;

when discerning for basement escape canal ponding, basement blowdown liquid level is reported to the police: when the liquid level is ultrahigh and drainage of a drainage ditch is influenced, an alarm is triggered, a centralized alarm lamp gives an audible and visual alarm, an alarm recorder records the alarm and discharges sewage, and when the liquid level is normal, the alarm is not given;

when the pressure of the main compressed air pipeline in the air compression station room is identified to be lower than a set limit value, the pressure of the main compressed air pipeline gives an alarm: when the pressure of the compressed air is lower than a set value, the channel alarm lamp gives an audible and visual alarm, and the pressure of the compressed air is checked, so that the alarm can be eliminated in a centralized control room;

when discerning for the rack presses the scram, ventilation fan is still in operation, and the rack scram is reported to the police: when the emergency stop button is pressed by the rack, the ventilation fan automatically stops running, and after the emergency stop is eliminated, the fan is manually operated to check the reason of the emergency stop and eliminate the alarm;

when discerning for the rack presses scram, can not cut off oil, the rack scram is reported to the police: when the rack is pressed down for emergency stop, the fuel cut-off valve is automatically cut off, and after the emergency stop is eliminated, the electromagnetic valve is manually switched on, so that the emergency stop is eliminated;

when the temperature of the dynamometer bearing is identified to be alarming: when the temperature of the bearing exceeds the set alarm high limit value of the rack, the rack controls the engine to idle or stop, the bearing state or the temperature sensor is checked, and the engine is manually operated after the alarm is eliminated;

when the air supply temperature of the air conditioner is higher than a set limit value, the air supply temperature gives an alarm: when the air supply temperature of the air conditioner is higher than a set limit value, the centralized audible and visual alarm gives an alarm to check the air supply fault of the air inlet air conditioner;

when the air supply humidity of the air conditioner is higher or lower than a set limit value, the air supply humidity of the air inlet air conditioner gives an alarm: when the air supply humidity of the air conditioner is higher or lower than a set limit value, a centralized audible and visual alarm gives an alarm to check the air supply fault of the air inlet air conditioner;

when the air supply pressure of the air conditioner is lower than a set limit value, the air supply pressure of the air inlet air conditioner gives an alarm: when the air supply pressure of the air conditioner is lower than a set limit value, the centralized audible and visual alarm gives an alarm to check the air supply fault of the air inlet air conditioner;

when the water leakage alarm of the air conditioner circulating water pipeline is identified: when the air conditioner circulating water pipeline leaks, the water leakage alarm gives an alarm, the centralized audible and visual alarm gives an alarm, the reason of the water leakage of the pipeline is checked, and the pipeline is maintained;

when the temperature of the air-conditioning cooling circulating water is higher than a set limit value, the temperature of the air-intake air-conditioning cooling water gives an alarm: when the temperature of the air conditioner cooling circulating water is higher than a set limit value, a centralized audible and visual alarm gives an alarm to check the water supply of the pipeline and the filter screen;

when the water pressure of the cooling circulating water of the air conditioner is identified to be lower than a set limit value, the water pressure of the cooling water of the air conditioner is fed for alarming: when the water pressure of the air-conditioning cooling circulating water is lower than a set limit value, a centralized audible and visual alarm gives an alarm to check the water supply of the pipeline and the filter screen;

when the water leakage of the air-conditioning refrigerating unit is identified, the water leakage alarm: when the air-conditioning refrigerating unit leaks water, the water leakage alarm gives an alarm, the centralized audible and visual alarm gives an alarm, the valve of the circulating water pipeline of the air-intake air conditioner is checked for water leakage, and the air-intake air conditioner is powered on manually.

Compared with the prior art, the invention has the following advantages: by formulating engine laboratory hazard source identification and countermeasure, the laboratory hazard source is automatically monitored, the protection action is automatically executed through the control strategy aiming at the alarm of the hazard source, the reliability and the automatic intelligent level of the safe operation of the laboratory are improved, and the safety of personnel and equipment is protected

Detailed Description

The present invention is further described in detail with reference to specific embodiments, and technical solutions in the embodiments of the present invention are clearly and completely described with reference to the embodiments of the present invention.

The monitoring host acquires the monitoring amount of each monitored object through the sensor, identifies the hazard source, and sends out a corresponding countermeasure scheme to inform each monitored object to execute through the actuator.

In addition, in this embodiment, still include the alarm, after the monitoring host computer discerns the hazard source, pass through the alarm sends out the police dispatch newspaper.

In this embodiment, for a laboratory, the monitored objects include basement drainage, a gas alarm system, a fire fighting system, a soundproof door and a video monitoring system, the dangerous source of basement drainage is basement drainage ditch water accumulation, the monitored amount is water accumulation liquid level, and the countermeasure scheme is liquid level alarm; the danger source of the gas alarm system is a THC-free gas sensor in a laboratory, the monitoring amount is gas concentration, the strategy scheme is to add the THC sensor, the danger source of the fire-fighting system comprises that a rack can not alarm when fire-fighting alarm occurs, oil can not be cut off when fire-fighting alarm occurs, a fan can not be stopped and replaced when fire-fighting alarm occurs, and a smoke exhaust fan can not be stopped when fire-fighting alarm occurs, wherein the monitoring amount that the rack can not alarm when fire-fighting alarm occurs is a fire-fighting alarm signal, the strategy scheme is that the rack is powered off when fire-fighting alarm occurs, the monitoring amount that oil can not be cut off when fire-fighting alarm occurs is cut off of an oil supply system, the strategy scheme is that the oil supply system is linked with the fire-fighting system, the monitoring amount that the fan can not be stopped and replaced when fire-fighting alarm occurs is that the fan is started and stopped, the strategy scheme is that the fan is linked with the fire-fighting system, and the monitoring amount that the smoke exhaust fan can not be stopped when fire-fighting alarm occurs is that the smoke exhaust fan is started and stopped, the method comprises the steps that a smoke exhaust fan is linked with a fire fighting system, a danger source of a soundproof door is that the door is frequently opened in the test process, the monitoring amount of the soundproof door is the state of the door, the countermeasure scheme is that an engine is opened and the door is returned to an idle speed, the danger source of a video monitoring system is that a camera monitors the state of the soundproof door without being networked, the monitoring amount of the video monitoring system is video information, and the countermeasure scheme is that the camera is connected with a local area network.

To water supply system, the monitoring object includes that laboratory supplies water, air conditioner circulating water, fuel temperature control cold water, water tower fan and water pump, the danger source that laboratory supplied water includes that the too high warning that lacks of underground water pool liquid level, the lack of warning of underground water pool lack of water and basement pond and the easy lack of monitoring of leaking of basement, the too high monitoring volume that lacks the warning of underground water pool liquid level is the pond liquid level, the high-order warning of countermeasure scheme for increasing underground water pool liquid level, the monitoring volume that the lack of warning of underground water pool lack of water is the pond liquid level, the monitoring volume that the basement pond and the easy lack of monitoring of leaking of basement are the volume of leaking, the monitoring volume of countermeasure scheme is the volume of leaking, the warning of leaking is increased to the countermeasure scheme, the danger source of air conditioner circulating water does not have the control to lead to lack of water to influence air conditioner work including circulating water pressure, circulating temperature does not have the control to lead to the too high temperature to influence air conditioner refrigeration and second floor pipeline does not have the warning to lead to leak and lead to leaking to the fact the damage of experimental facilities to cause the damage to leak to the first floor The monitoring quantity of the circulating water pressure which causes water shortage and influences the work of the air conditioner is circulating water pressure, the countermeasure scheme is to increase a circulating water pressure alarm device, the monitoring quantity of the circulating water pressure which causes overhigh temperature and influences the refrigeration of the air conditioner is circulating water temperature, the countermeasure scheme is to increase a circulating water temperature alarm device, the monitoring quantity of the second floor pipeline which causes water leakage and causes damage of test equipment when water leaks to the first floor is water leakage alarm, the countermeasure scheme is to increase a water leakage alarm device, the danger source of the fuel oil temperature control cold water comprises no monitoring of water temperature and no monitoring of water pressure, the monitoring quantity of the water temperature which does not monitor is water temperature, the countermeasure scheme is to increase water temperature monitoring, the monitoring quantity of the water pressure which does not monitor is water pressure, the countermeasure scheme is to increase water pressure monitoring, the danger source of the water tower fan comprises that a test room cannot remotely control the start and stop of the water tower fan manually when the temperature of the circulating water is high in summer, the method comprises the steps that the monitoring quantity of a laboratory which cannot remotely control the start and stop of a water tower fan is in an operating state, the strategy scheme is to increase remote start and stop control, the monitoring quantity of the fan which needs to be manually started and stopped when the temperature of circulating water is high in summer is the temperature of a water pool, the strategy scheme is to automatically start the fan when the temperature of the circulating water is higher than a set temperature, the danger source of a water pump cannot monitor the operating state, the monitoring quantity of the water pump is in the operating state, and the strategy scheme is to remotely monitor the operating state.

Aiming at an oil supply system, a monitoring object is used for supplying oil to a test room, a danger source of the oil supply to the test room comprises oil leakage at a fuel oil pressure regulating position, oil leakage of a fuel oil temperature control system, pressure failure of an oil pressure gauge, too low oil supply pressure of a fuel oil supply pipe, too high oil supply pressure of the fuel oil supply pipe, leakage of engine liquid to a trolley tray, lack of an automatic oil cut-off device of the fuel oil supply pipe and linkage of oil supply cutting and a rack, the monitoring amount of the oil leakage at the fuel oil pressure regulating position is oil leakage liquid level, a countermeasure scheme is that a liquid level sensor is added for monitoring the oil leakage, the monitoring amount of the oil leakage of the fuel oil temperature control system is oil leakage liquid level, a countermeasure scheme is that the liquid level sensor is added for monitoring the oil leakage, the monitoring amount of the pressure failure of the oil pressure gauge is oil pressure, the countermeasure scheme is that the liquid level sensor is added for monitoring the oil leakage, the monitoring amount of the too high oil supply pressure of the fuel oil supply pipe is oil pressure, the strategy scheme is that a liquid level sensor is added to monitor oil leakage, the monitoring amount from engine leakage to a trolley tray is liquid level, the strategy scheme is to increase liquid level monitoring, the monitoring amount of an oil supply pipe lacking an automatic oil cut-off device is oil supply cut-off, an oil supply pipeline cut-off valve is added, the monitoring amount of oil supply cut-off and rack linkage is controlled by starting and stopping of a rack for supplying power, the strategy scheme is that an electric oil supply valve on the rack is opened, and an electric oil supply valve on the rack is closed.

Aiming at a compressed air supply system, the monitored object is compressed air, the dangerous source is that the air pressure of the compressed air is not monitored, the monitoring amount is air pressure alarm, and the countermeasure scheme is that the air pressure monitoring is increased and the overpressure alarm is carried out.

Aiming at a ventilation system in a test room, a monitoring object comprises an air exchange fan system and a smoke exhaust fan system, a danger source of the air exchange fan system comprises that the running state of an air exchange fan can not be seen around a rack, the air exchange fan is still running and the air exchange fan is not manually switched when the rack is pressed down to be stopped suddenly, the monitoring quantity which can not be seen around the rack is the running state, a countermeasure scheme is that the running state of the fan is intensively displayed, the monitoring quantity which is still running when the rack is pressed to be stopped suddenly is running control, the strategy scheme is that the fan is automatically stopped when the rack is stopped suddenly, the monitoring quantity which is manually switched without the air exchange fan is manually switched, the countermeasure scheme is that the manual switching control is increased, the danger source of the smoke exhaust fan system comprises that the running state of the smoke exhaust fan can not be seen around the rack and the smoke exhaust fan can not be manually switched without the smoke exhaust fan, and the monitoring quantity which can not be seen around the rack in the running state of the smoke exhaust fan is running state, the counter-measure scheme is that the fan operation is displayed, the monitoring amount of the smoke exhaust fan without manual and automatic switching is manual and automatic switching, and the counter-measure scheme is that manual and automatic switching control is added.

Aiming at the test equipment, the monitoring object comprises a rack, a discharging device and an air conditioning system, the danger source of the rack comprises dynamometer bearing temperature alarm and oil can not be cut off when the rack is pressed down for emergency stop, the monitoring quantity of the dynamometer bearing temperature alarm is bearing temperature alarm, the countermeasure scheme is to increase the dynamometer bearing alarm, the monitoring quantity of the oil can not be cut off when the rack is pressed down for emergency stop is oil cut off control, the countermeasure scheme is that the bench emergency stop signal can control oil supply pipeline oil cut off, the danger source of the discharging device is ozone leakage of the discharging device, the monitoring quantity is O3 concentration, the countermeasure scheme is to install an O3 detector near the discharging device, the danger source of the air conditioning system comprises that the inlet air conditioning temperature can not be seen in a first floor test room, the inlet air conditioning air supply pressure can not be seen in a first floor test room, the unit condensate water leakage and the inlet air conditioning humidity can not be seen in the first floor test room, and the inlet air conditioning temperature can not be seen in the first floor test room, the method comprises the steps of adding temperature monitoring alarm, wherein the monitoring quantity that the air supply pressure of the air-inlet air conditioner cannot be seen in a first-floor test room is air supply pressure, adding temperature pressure monitoring alarm, the monitoring quantity that unit condensate water leaks is water leakage, installing the unit and leaking the alarm, monitoring the monitoring quantity that the humidity of the air-inlet air conditioner cannot be seen in the first-floor test room is humidity monitoring, and adding humidity monitoring alarm.

The monitoring object comprises an engine oil supply system and an exhaust system, a dangerous source of the engine oil supply is THC oil gas and tail gas generated when the engine runs and leaks in a test room, the monitoring amount is gas concentration, the strategy scheme is that THC is monitored, alarm protection is executed, the dangerous source of the exhaust system is that an exhaust pipeline is damaged and leaks, the monitoring amount is CO concentration monitoring, and the strategy scheme is that leakage gas concentration alarm is detected.

In this embodiment, the monitoring host triggers an alarm by recognizing different hidden danger scenes, and controls different monitoring objects to execute actions through the actuator, thereby forming a monitoring strategy.

When the fire hazard appears for the laboratory in discernment, trigger the fire control and report to the police, the flame probe is reported to the police, and the temperature is felt and is reported to the police with the cigarette: when fire alarm signals such as temperature, smoke, flame and the like appear in a laboratory, the PLC triggers the rack to power off, the engine is shut down, the fuel cut-off valve is closed, the fan is shut down, when the fire alarm signals disappear, the rack is manually powered on after the field situation is manually confirmed, and the fire-fighting reason is checked afterwards;

According to the embodiment, a set of network diagrams for monitoring the danger source, alarming, protection execution, operation and visualization is established through the danger source, the countermeasure scheme, the monitoring strategy and the alarm response, and the actions of identifying, alarming and protecting the danger source are solidified into a standard response mode through each action of the network diagrams, so that the technical framework and the design basis for establishing the safe operation system of the laboratory are provided.

The monitoring strategy is a control logic method based on identification, alarming and coping with laboratory hazard sources. When the danger source has alarm information, all units of the monitoring system, the sensor, the actuator, the test bed, the engine and the like in the monitoring network automatically execute standard actions according to a monitoring strategy, and visually reflect the logical relationship between the monitored object and the executing mechanism.

The safe operation monitoring system for the engine laboratory automatically monitors the dangerous source of the laboratory by formulating dangerous source identification and countermeasure of the engine laboratory, automatically executes protection actions by a control strategy aiming at the alarm of the dangerous source, improves the reliability and the automation intelligent level of the safe operation of the laboratory, and protects the safety of personnel and equipment

Finally, it should be noted that the above is a detailed description of the invention, and the embodiments of the invention are not limited to the description, and those skilled in the art should be considered as falling within the protection scope of the present invention without departing from the spirit of the present invention. The above embodiments are merely representative examples of the present invention. It is obvious that the invention is not limited to the above-described embodiments, but that many variations are possible. Any simple modification, equivalent change and modification made to the above embodiments in accordance with the technical spirit of the present invention should be considered to be within the scope of the present invention.

Meanwhile, it should be noted that the above description of the technical solutions is exemplary, the present specification may be embodied in different forms, and should not be construed as being limited to the technical solutions set forth herein. Rather, these descriptions are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. Furthermore, the technical solution of the present invention is limited only by the scope of the claims. The features of the various embodiments of the present invention may be partially or fully combined or spliced with each other and performed in a variety of different configurations as would be well understood by those skilled in the art. Embodiments of the invention may be performed independently of each other or may be performed together in an interdependent relationship.

For those skilled in the art to which the invention relates, several simple deductions or substitutions may be made without departing from the spirit of the invention, and the above-mentioned structures should be considered as belonging to the protection scope of the invention.

Claims

1. The utility model provides an engine test room safe operation monitored control system, is including installing the sensor on the object that needs to monitor in the laboratory, its characterized in that: the monitoring system comprises a monitoring host and an actuator, wherein the monitoring host is internally provided with a dangerous source, a monitoring amount and a countermeasure scheme of each object to be monitored, the monitoring host acquires the monitoring amount of each object to be monitored through a sensor, identifies the dangerous source and sends out the corresponding countermeasure scheme to inform each object to be monitored to execute through the actuator.

2. The engine laboratory safe operation monitoring system of claim 1, characterized in that: the monitoring host machine identifies the hazard source and then gives an alarm through the alarm.

3. The engine laboratory safe operation monitoring system of claim 2, characterized in that: aiming at a laboratory, the monitored object comprises basement drainage, a gas alarm system, a fire-fighting system, a soundproof door and a video monitoring system, the dangerous source of basement drainage is basement drainage ditch accumulated water, the monitored amount is accumulated water liquid level, and the countermeasure scheme is liquid level alarm; the danger source of the gas alarm system is a THC-free gas sensor in a laboratory, the monitoring amount is gas concentration, the strategy scheme is to add the THC sensor, the danger source of the fire-fighting system comprises that a rack can not alarm when fire-fighting alarm occurs, oil can not be cut off when fire-fighting alarm occurs, a fan can not be stopped and replaced when fire-fighting alarm occurs, and a smoke exhaust fan can not be stopped when fire-fighting alarm occurs, wherein the monitoring amount that the rack can not alarm when fire-fighting alarm occurs is a fire-fighting alarm signal, the strategy scheme is that the rack is powered off when fire-fighting alarm occurs, the monitoring amount that oil can not be cut off when fire-fighting alarm occurs is cut off of an oil supply system, the strategy scheme is that the oil supply system is linked with the fire-fighting system, the monitoring amount that the fan can not be stopped and replaced when fire-fighting alarm occurs is that the fan is started and stopped, the strategy scheme is that the fan is linked with the fire-fighting system, and the monitoring amount that the smoke exhaust fan can not be stopped when fire-fighting alarm occurs is that the smoke exhaust fan is started and stopped, the method comprises the steps that a smoke exhaust fan is linked with a fire fighting system, a danger source of a soundproof door is that the door is frequently opened in the test process, the monitoring amount of the soundproof door is the state of the door, the countermeasure scheme is that an engine is opened and the door is returned to an idle speed, the danger source of a video monitoring system is that a camera monitors the state of the soundproof door without being networked, the monitoring amount of the video monitoring system is video information, and the countermeasure scheme is that the camera is connected with a local area network.

4. The engine laboratory safe operation monitoring system of claim 2, characterized in that: to water supply system, the monitoring object includes that laboratory supplies water, air conditioner circulating water, fuel temperature control cold water, water tower fan and water pump, the danger source that laboratory supplied water includes that the too high warning that lacks of underground water pool liquid level, the lack of warning of underground water pool lack of water and basement pond and the easy lack of monitoring of leaking of basement, the too high monitoring volume that lacks the warning of underground water pool liquid level is the pond liquid level, the high-order warning of countermeasure scheme for increasing underground water pool liquid level, the monitoring volume that the lack of warning of underground water pool lack of water is the pond liquid level, the monitoring volume that the basement pond and the easy lack of monitoring of leaking of basement are the volume of leaking, the monitoring volume of countermeasure scheme is the volume of leaking, the warning of leaking is increased to the countermeasure scheme, the danger source of air conditioner circulating water does not have the control to lead to lack of water to influence air conditioner work including circulating water pressure, circulating temperature does not have the control to lead to the too high temperature to influence air conditioner refrigeration and second floor pipeline does not have the warning to lead to leak and lead to leaking to the fact the damage of experimental facilities to cause the damage to leak to the first floor The monitoring quantity of the circulating water pressure which causes water shortage and influences the work of the air conditioner is circulating water pressure, the countermeasure scheme is to increase a circulating water pressure alarm device, the monitoring quantity of the circulating water pressure which causes overhigh temperature and influences the refrigeration of the air conditioner is circulating water temperature, the countermeasure scheme is to increase a circulating water temperature alarm device, the monitoring quantity of the second floor pipeline which causes water leakage and causes damage of test equipment when water leaks to the first floor is water leakage alarm, the countermeasure scheme is to increase a water leakage alarm device, the danger source of the fuel oil temperature control cold water comprises no monitoring of water temperature and no monitoring of water pressure, the monitoring quantity of the water temperature which does not monitor is water temperature, the countermeasure scheme is to increase water temperature monitoring, the monitoring quantity of the water pressure which does not monitor is water pressure, the countermeasure scheme is to increase water pressure monitoring, the danger source of the water tower fan comprises that a test room cannot remotely control the start and stop of the water tower fan manually when the temperature of the circulating water is high in summer, the method comprises the steps that the monitoring quantity of a laboratory which cannot remotely control the start and stop of a water tower fan is in an operating state, the strategy scheme is to increase remote start and stop control, the monitoring quantity of the fan which needs to be manually started and stopped when the temperature of circulating water is high in summer is the temperature of a water pool, the strategy scheme is to automatically start the fan when the temperature of the circulating water is higher than a set temperature, the danger source of a water pump cannot monitor the operating state, the monitoring quantity of the water pump is in the operating state, and the strategy scheme is to remotely monitor the operating state.

5. The engine laboratory safe operation monitoring system of claim 2, characterized in that: aiming at an oil supply system, a monitoring object is used for supplying oil to a test room, a danger source of the oil supply to the test room comprises oil leakage at a fuel oil pressure regulating position, oil leakage of a fuel oil temperature control system, pressure failure of an oil pressure gauge, too low oil supply pressure of a fuel oil supply pipe, too high oil supply pressure of the fuel oil supply pipe, leakage of engine liquid to a trolley tray, lack of an automatic oil cut-off device of the fuel oil supply pipe and linkage of oil supply cutting and a rack, the monitoring amount of the oil leakage at the fuel oil pressure regulating position is oil leakage liquid level, a countermeasure scheme is that a liquid level sensor is added for monitoring the oil leakage, the monitoring amount of the oil leakage of the fuel oil temperature control system is oil leakage liquid level, a countermeasure scheme is that the liquid level sensor is added for monitoring the oil leakage, the monitoring amount of the pressure failure of the oil pressure gauge is oil pressure, the countermeasure scheme is that the liquid level sensor is added for monitoring the oil leakage, the monitoring amount of the too high oil supply pressure of the fuel oil supply pipe is oil pressure, the strategy scheme is that a liquid level sensor is added to monitor oil leakage, the monitoring amount from engine leakage to a trolley tray is liquid level, the strategy scheme is to increase liquid level monitoring, the monitoring amount of an oil supply pipe lacking an automatic oil cut-off device is oil supply cut-off, an oil supply pipeline cut-off valve is added, the monitoring amount of oil supply cut-off and rack linkage is controlled by starting and stopping of a rack for supplying power, the strategy scheme is that an electric oil supply valve on the rack is opened, and an electric oil supply valve on the rack is closed.

6. The engine laboratory safe operation monitoring system of claim 2, characterized in that: aiming at a compressed air supply system, the monitored object is compressed air, the dangerous source is that the air pressure of the compressed air is not monitored, the monitoring amount is air pressure alarm, and the countermeasure scheme is that the air pressure monitoring is increased and the overpressure alarm is carried out.

7. The engine laboratory safe operation monitoring system of claim 2, characterized in that: aiming at a ventilation system in a test room, a monitoring object comprises an air exchange fan system and a smoke exhaust fan system, a danger source of the air exchange fan system comprises that the running state of an air exchange fan can not be seen around a rack, the air exchange fan is still running and the air exchange fan is not manually switched when the rack is pressed down to be stopped suddenly, the monitoring quantity which can not be seen around the rack is the running state, a countermeasure scheme is that the running state of the fan is intensively displayed, the monitoring quantity which is still running when the rack is pressed to be stopped suddenly is running control, the strategy scheme is that the fan is automatically stopped when the rack is stopped suddenly, the monitoring quantity which is manually switched without the air exchange fan is manually switched, the countermeasure scheme is that the manual switching control is increased, the danger source of the smoke exhaust fan system comprises that the running state of the smoke exhaust fan can not be seen around the rack and the smoke exhaust fan can not be manually switched without the smoke exhaust fan, and the monitoring quantity which can not be seen around the rack in the running state of the smoke exhaust fan is running state, the counter-measure scheme is that the fan operation is displayed, the monitoring amount of the smoke exhaust fan without manual and automatic switching is manual and automatic switching, and the counter-measure scheme is that manual and automatic switching control is added.

8. The engine laboratory safe operation monitoring system of claim 2, characterized in that: aiming at the test equipment, the monitoring object comprises a rack, a discharging device and an air conditioning system, the danger source of the rack comprises dynamometer bearing temperature alarm and oil can not be cut off when the rack is pressed down for emergency stop, the monitoring quantity of the dynamometer bearing temperature alarm is bearing temperature alarm, the countermeasure scheme is to increase the dynamometer bearing alarm, the monitoring quantity of the oil can not be cut off when the rack is pressed down for emergency stop is oil cut off control, the countermeasure scheme is that the bench emergency stop signal can control oil supply pipeline oil cut off, the danger source of the discharging device is ozone leakage of the discharging device, the monitoring quantity is O3 concentration, the countermeasure scheme is to install an O3 detector near the discharging device, the danger source of the air conditioning system comprises that the inlet air conditioning temperature can not be seen in a first floor test room, the inlet air conditioning air supply pressure can not be seen in a first floor test room, the unit condensate water leakage and the inlet air conditioning humidity can not be seen in the first floor test room, and the inlet air conditioning temperature can not be seen in the first floor test room, the method comprises the steps of adding temperature monitoring alarm, wherein the monitoring quantity that the air supply pressure of the air-inlet air conditioner cannot be seen in a first-floor test room is air supply pressure, adding temperature pressure monitoring alarm, the monitoring quantity that unit condensate water leaks is water leakage, installing the unit and leaking the alarm, monitoring the monitoring quantity that the humidity of the air-inlet air conditioner cannot be seen in the first-floor test room is humidity monitoring, and adding humidity monitoring alarm.

9. The engine laboratory safe operation monitoring system of claim 2, characterized in that: the monitoring object comprises an engine oil supply system and an exhaust system, a dangerous source of the engine oil supply is THC oil gas and tail gas generated when the engine runs and leaks in a test room, the monitoring amount is gas concentration, the strategy scheme is that THC is monitored, alarm protection is executed, the dangerous source of the exhaust system is that an exhaust pipeline is damaged and leaks, the monitoring amount is CO concentration monitoring, and the strategy scheme is that leakage gas concentration alarm is detected.

10. The engine laboratory safe operation monitoring system of claim 2, characterized in that: the monitoring host machine further triggers an alarm by identifying different hidden danger scenes, and controls different monitoring objects to execute actions through the actuator.

11. The engine laboratory safe operation monitoring system of claim 9, wherein: when the fire hazard appears for the laboratory in discernment, trigger the fire control and report to the police, the flame probe is reported to the police, and the temperature is felt and is reported to the police with the cigarette: when fire alarm signals such as temperature, smoke, flame and the like appear in a laboratory, the PLC triggers the rack to power off, the engine is shut down, the fuel cut-off valve is closed, the fan is shut down, when the fire alarm signals disappear, the rack is manually powered on after the field situation is manually confirmed, and the fire-fighting reason is checked afterwards;