CN212235693U - Safety control system for gasoline engine laboratory - Google Patents
Safety control system for gasoline engine laboratory Download PDFInfo
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- CN212235693U CN212235693U CN202020287022.1U CN202020287022U CN212235693U CN 212235693 U CN212235693 U CN 212235693U CN 202020287022 U CN202020287022 U CN 202020287022U CN 212235693 U CN212235693 U CN 212235693U
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Abstract
The utility model discloses a gasoline engine laboratory safety control system installs detector and control unit at gasoline engine laboratory, and it leaks detector, fire alarm detector, audible and visual alarm ware, fire control fire extinguishing controller, gasoline engine test operation platform and DCS controller including advance oil valve, the fire prevention valve of airing exhaust, circulation wind fire prevention valve, exhaust fan, central air conditioning indoor set, CO detector, petrol. The utility model discloses when having changed present gasoline engine laboratory and taking place the potential safety hazard, the manual work can not in time be investigated and examined, rapid analysis, and control procedure is loaded down with trivial details, provides one set of automatic safety control system for the gasoline engine laboratory, effectively improves gasoline engine laboratory safe controllability and reliability, reduces the maloperation, reduces the accident rate.
Description
Technical Field
The utility model relates to a gasoline engine laboratory field, in particular to gasoline engine laboratory safety control system.
Background
At present, a gasoline engine laboratory adopts gasoline fuel with the same mark as that specified by an engine to perform component and system tests, gasoline belongs to a volatile inflammable matter, and the area of the laboratory in the test room often contains flammable and explosive substances such as ground oil stain, fuel oil steam and the like. In addition, carbon monoxide emissions from gasoline engine testing can cause poisoning and even death of the inspector if no safety measures are taken. Many gasoline engine laboratories also pay more attention to safety at present, have adopted a series of safety precaution measures, such as reducing the arrangement of the electrical components in the laboratory, change the electric oil pump into the pneumatic oil pump, must adopt the explosion-proof type device when the electrical components must be adopted; reducing or avoiding high temperature oil loading and unloading operation; strictly preventing fire, strictly prohibiting equipment from being electrified and carrying out oil loading and unloading operation in operation; avoiding oil storage at the opening, adopting measures such as a double-layer pipeline and the like to eliminate fuel leakage; a central air conditioner and a fresh air system are additionally arranged in the test room, so that the temperature of the test room is reduced, and waste gas is discharged; the safety training of operation and inspection personnel is strengthened, and anti-static clothing needs to be replaced when the personnel enter a test room.
Disclosure of Invention
The utility model aims at providing a gasoline engine laboratory safety Control system, utilize the DCS (Distributed Control Systems) technology of modernization and automatic detecting instrument and reliable actuating mechanism of high accuracy, when changing present gasoline engine laboratory emergence potential safety hazard, the manual work can not in time be investigated, rapid analysis, Control procedure is loaded down with trivial details, provide one set of automatic safety Control system for the gasoline engine laboratory, effectively improve safe controllability and reliability of gasoline engine laboratory, reduce the maloperation, reduce the accident rate.
The utility model discloses a realize through following technical scheme:
a gasoline engine laboratory safety control system is characterized in that a detector and a control component are installed in a gasoline engine laboratory, and the system comprises an oil inlet valve, an exhaust fire valve, a circulating air fire valve, an exhaust fan, a central air conditioner indoor unit, a CO detector, a gasoline leakage detector, a fire alarm detector, an audible and visual alarm, a fire-fighting fire-extinguishing controller, a gasoline engine test operating platform and a DCS controller;
the exhaust fire damper and the exhaust fan are installed outside a gasoline engine test chamber, and the exhaust fan is installed on an exhaust pipeline of the central air-conditioning system through the exhaust fire damper; the oil inlet valve, the circulating air fireproof valve, the central air-conditioning indoor unit, the CO detector, the gasoline leakage detector and the fire alarm detector are arranged in a test room of a gasoline engine test room; the audible and visual alarm, the fire-fighting controller, the gasoline engine test operating platform and the DCS controller are installed in an operating room of a gasoline engine test room, an oil inlet valve is arranged on an oil supply pipeline of a gasoline engine, one end of a central air-conditioning indoor unit is connected with an air supply pipe of a central air-conditioning system, the other end of the central air-conditioning indoor unit is connected with a fresh air pipeline of the central air-conditioning system, and a circulating air fire prevention valve is arranged on the fresh air pipeline of the central air; the fire-fighting fire-extinguishing system comprises an exhaust fire-proof valve, an exhaust fan, an oil inlet valve, a circulating air fire-proof valve, a central air-conditioning indoor unit, a CO detector, a gasoline leakage detector, a fire alarm detector and an audible and visual alarm, wherein the fire-fighting fire-extinguishing controller and a gasoline engine test operating platform are in communication connection with a DCS controller through hard wiring.
It should be further explained that the exhaust fan is a variable frequency control motor, and the rotating speed of the exhaust fan is rapidly changed by a frequency setting signal of the DCS controller.
It needs to be further explained that the CO detector, the gasoline leakage detector and the fire alarm detector are all provided with a plurality of detection points, so that omnibearing and multi-angle detection can be realized, and accurate and rapid signals transmitted to the DCS controller can be ensured.
It should be further explained that the audible and visual alarm can give out audible and visual alarm when the detector detects a dangerous condition, so as to warn operation and maintenance personnel to improve the vigilance.
It is further explained that when an accident occurs, the DCS controller is in linkage cooperation with the fire-fighting controller and the gasoline engine test operating platform, and accident danger and fire disasters are eliminated rapidly.
The utility model discloses a DCS makes the judgement to the signal that the detector uploaded, according to the central air conditioning of the sequence control logic that the programming set up to the gasoline engine laboratory, the exhaust fan converter is aired exhaust, the switching of return air fire prevention valve, supplies oil pipeline's inlet valve switching, the scram of gasoline engine test operation platform, and automatic control is carried out in the linkage of fire control fire extinguishing controller.
Compared with the prior art, the utility model provides a gasoline engine laboratory safety control system has following advantage:
1. the utility model discloses gasoline engine laboratory safety control system utilizes the powerful function of DCS control system, accepts the signal that all kinds of gas sensors transmitted, through signal processing, operation and logic judgement, sends corresponding instruction to each executor and other systems with DCS communication to eliminate gasoline engine laboratory potential safety hazard, the system reliability is high, shows directly perceived, greatly reduced intensity of labour and accident rate;
2. the utility model discloses gasoline engine laboratory safety control system, through DCS controller for the control of detector and variable frequency exhaust fan forms a closed loop, not only can in time discharge the poisonous inflammable gas of potential safety hazard, guarantees equipment and production safety, can also make central air conditioning according to actual environmental conditions operation, saves the electric energy, the cost is reduced;
3. the utility model discloses gasoline engine laboratory safety control system except being fit for the gasoline engine laboratory, other easily produce poisonous or have the gaseous occasion of explosion, like the laboratory, chemical plant, colliery, commercial civilian danger area etc. can all be suitable for, and the practicality is very strong.
Drawings
FIG. 1 is a schematic diagram of a gasoline engine laboratory safety control system of the present application;
part numbers and names in the figures:
1. the system comprises a gasoline engine laboratory test room, 2, a DCS controller, 3, a gasoline engine, 4, an oil inlet valve, 5, an oil supply pipeline, 6, a central air-conditioning system exhaust pipeline, 7, an exhaust fire damper, 8, an exhaust fan, 9, a central air-conditioning system fresh air pipeline, 10, a circulating air fire damper, 11, a central air-conditioning indoor unit, 12, a central air-conditioning system blast pipe, 13, a CO detector, 14, a gasoline leakage detector, 15, a fire alarm detector, 16, a fire-fighting fire-extinguishing controller, 17, an audible and visual alarm, 18 and a gasoline engine test operation table.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
As shown in figure 1, a gasoline engine laboratory safety control system, a detector and a control part are installed in a gasoline engine laboratory 1, and the system comprises an oil inlet valve 4, an exhaust fire damper 7, a circulating air fire damper 10, an exhaust fan 8, a central air-conditioning indoor unit 11, a CO detector 13, a gasoline leakage detector 14, a fire alarm detector 15, an audible and visual alarm 17, a fire-fighting controller 16, a gasoline engine test operating platform 18 and a DCS controller 2;
the exhaust fire damper 7 and the exhaust fan 8 are installed outside the gasoline engine test room 1, and the exhaust fan 8 is installed on the exhaust pipeline 6 of the central air-conditioning system through the exhaust fire damper 7; the oil inlet valve 4, the circulating air fireproof valve 10, the central air-conditioning indoor unit 11, the CO detector 13, the gasoline leakage detector 14 and the fire alarm detector 15 are arranged in a test room of the gasoline engine test room 1; the sound-light alarm 17, the fire-fighting controller 16, the gasoline engine test operating platform 18 and the DCS controller 2 are installed in an operating room of a gasoline engine test room 1, the oil inlet valve 4 is arranged on an oil supply pipeline 5 of the gasoline engine 3, one end of a central air-conditioning indoor unit 11 is connected with a central air-conditioning system blast pipe 12, the other end of the central air-conditioning indoor unit is connected with a central air-conditioning system fresh air pipeline 9, and the circulating air fireproof valve 10 is arranged on the central air-conditioning system fresh air pipeline 9; the air exhaust fire prevention valve 7, the exhaust fan 8, the oil inlet valve 4, the circulating air fire prevention valve 10, the central air conditioning indoor unit 11, the CO detector 13, the gasoline leakage detector 14, the fire alarm detector 15 and the audible and visual alarm 17 are connected with the DCS controller 2 through hard wiring, and the fire fighting controller 16 and the gasoline engine test operating platform 18 are connected with the DCS controller 2 through communication.
When a CO detector 13 detects that the CO concentration reaches a high limit in a test room 1 of a gasoline engine test room, a CO concentration high signal is output to a DCS controller 2, the DCS controller 2 gives an alarm instruction to enable an audible and visual alarm 17 to give an audible and visual alarm, meanwhile, the DCS controller 2 sends a signal to force a frequency converter of an exhaust fan 8 to give 80%, the exhaust fan 8 runs at a high power to rapidly exhaust CO, meanwhile, the DCS controller 2 sends an emergency stop signal to enable a gasoline engine test operation platform 18 to be in emergency stop, and the test is stopped; when a gasoline leakage detector 14 detects that the gasoline concentration reaches a high limit in a gasoline engine laboratory test room 1, a high gasoline concentration signal is output to a DCS controller 2, the DCS controller 2 gives an alarm instruction to enable an audible and visual alarm 17 to give an audible and visual alarm, meanwhile, the DCS controller 2 sends a signal to force a frequency converter of an exhaust fan 8 to give 80%, the exhaust fan 8 runs at a high power to rapidly reduce the leaked gasoline concentration, the DCS controller 2 sends an emergency stop signal to enable a gasoline engine test operating platform 18 to be in emergency stop, meanwhile, the DCS controller 2 sends a turn-off signal to enable an oil inlet valve 4 to be turned off, and the test is stopped; when a fire alarm detector 15 detects a fire alarm signal in a gasoline engine laboratory test room 1, the fire alarm signal is output to a DCS controller 2, the DCS controller 2 gives an alarm instruction to enable an audible and visual alarm 17 to give an audible and visual alarm, the DCS controller 2 sends an emergency stop signal to enable a gasoline engine test operating platform 18 to stop suddenly, the DCS controller 2 sends a turn-off signal to enable an oil inlet valve 4 to be turned off and the test is stopped, meanwhile, the DCS controller 2 sends a turn-off instruction to turn off a central air conditioning indoor unit 11, an air exhaust fire prevention valve 7 and a circulating air fire prevention valve 10 are turned off, meanwhile, the DCS controller 2 sends a fire signal to a fire-fighting controller 16, and the fire-fighting controller executes a fire-fighting program.
Application example 1
The original design of a certain gasoline engine laboratory does not adopt a safety control system, a high-power exhaust fan is arranged in the test room to exhaust air and change air intermittently, various accidents are checked and handled by manual experience during each test, the labor intensity is high, the reliability is low, and great potential safety hazards are caused. And once an accident occurs, the processing procedure is complicated, and the processing sequence is improper or the operation is missed, so that huge loss is caused. After press the utility model discloses gasoline engine laboratory safety control system reforms transform, makes the safe situation of laboratory handle the automation that has reached high reliability, has saved the electric energy, has improved work efficiency, has reduced the accident rate.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. A gasoline engine laboratory safety control system is characterized in that a detector and a control part are installed in a gasoline engine laboratory, and the gasoline engine laboratory safety control system comprises an oil inlet valve, an exhaust fire valve, a circulating air fire valve, an exhaust fan, a central air conditioner indoor unit, a CO detector, a gasoline leakage detector, a fire alarm detector, an audible and visual alarm, a fire-fighting fire-extinguishing controller, a gasoline engine test operating platform and a DCS controller;
the exhaust fire damper and the exhaust fan are installed outside a gasoline engine test chamber, and the exhaust fan is installed on an exhaust pipeline of the central air-conditioning system through the exhaust fire damper; the oil inlet valve, the circulating air fireproof valve, the central air-conditioning indoor unit, the CO detector, the gasoline leakage detector and the fire alarm detector are arranged in a test room of a gasoline engine test room; the audible and visual alarm, the fire-fighting controller, the gasoline engine test operating platform and the DCS controller are installed in an operating room of a gasoline engine test room, an oil inlet valve is arranged on an oil supply pipeline of a gasoline engine, one end of a central air-conditioning indoor unit is connected with an air supply pipe of a central air-conditioning system, the other end of the central air-conditioning indoor unit is connected with a fresh air pipeline of the central air-conditioning system, and a circulating air fire prevention valve is arranged on the fresh air pipeline of the central air; the fire-fighting fire-extinguishing system comprises an exhaust fire-proof valve, an exhaust fan, an oil inlet valve, a circulating air fire-proof valve, a central air-conditioning indoor unit, a CO detector, a gasoline leakage detector, a fire alarm detector and an audible and visual alarm, wherein the fire-fighting fire-extinguishing controller and a gasoline engine test operating platform are in communication connection with a DCS controller through hard wiring.
2. The gasoline engine laboratory safety control system of claim 1, wherein the exhaust fan is a variable frequency control motor.
3. The gasoline engine laboratory safety control system according to claim 1, wherein the CO detector, the gasoline leakage detector and the fire alarm detector are provided with a plurality of detection points.
4. The gasoline engine laboratory safety control system of claim 1, wherein the audible and visual alarm is capable of emitting an audible and visual alarm when the detector detects a dangerous condition.
5. The gasoline engine laboratory safety control system according to claim 1, wherein when an accident occurs, the DCS controller is in linkage cooperation with the fire extinguishing controller and the gasoline engine test operating table to rapidly eliminate accident risk and fire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020287022.1U CN212235693U (en) | 2020-03-10 | 2020-03-10 | Safety control system for gasoline engine laboratory |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020287022.1U CN212235693U (en) | 2020-03-10 | 2020-03-10 | Safety control system for gasoline engine laboratory |
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| Publication Number | Publication Date |
|---|---|
| CN212235693U true CN212235693U (en) | 2020-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020287022.1U Active CN212235693U (en) | 2020-03-10 | 2020-03-10 | Safety control system for gasoline engine laboratory |
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|---|---|
| CN (1) | CN212235693U (en) |
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- 2020-03-10 CN CN202020287022.1U patent/CN212235693U/en active Active
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