Marine fire simulation test device and method

Abstract

The invention relates to a ship fire simulation test device and method, which comprises a simulated cabin, a ventilation system, a thermocouple temperature acquisition system, an infrared thermal imager, a video system, a smoke collection and analysis system, a fine water mist fire extinguishing system and a fire dummy system. The invention has reasonable design, compact structure and is easy to use.

Description

Technical Field

[0001] The invention relates to a ship fire simulation test device and method, and is particularly suitable for fire simulation of closed cabins such as submarines. Background Art

[0002] The internal structure of a ship is complex, with dense electromechanical equipment and a high risk of fire. Once a fire occurs, it is very difficult to extinguish, threatening the vitality and combat effectiveness of the submarine. Therefore, ship fire is an important research topic.

[0003] At present, testing is an important means of fire research. On-site measurement and laboratory simulation are commonly used methods for fire testing. On-site measurement can obtain the most realistic data on site, while laboratory simulation can use various precision equipment and measurement technologies to more accurately study a certain problem. The present invention combines the two test methods, builds a simulated cabin with reference to the layout of the ship's cabin, and sets up test and measurement instruments to form a full-size ship fire simulation device. It can meet the test requirements of various types of fire development and spread laws on ships, fire-fighting equipment fire-fighting efficiency tests, and fire-fighting tactics tests. Summary of the invention

[0004] The technical problem to be solved by the present invention is generally to provide a ship fire simulation test device and method.

[0005] To solve the above problems, the technical solution adopted by the present invention is:

[0006] A marine fire simulation test device comprises a simulated cabin section, a ventilation system, a thermocouple temperature acquisition system, an infrared thermal imager, a video system, a smoke analysis system, a fine water mist fire extinguishing system and a fire dummy system.

[0007] As a further improvement of the above technical solution:

[0008] The simulated cabin section includes a cylindrical shell, a companionway, a watertight door, an observation window, a passage door, an oil pool, and an interlayer passage;

[0009] The simulated cabin section is welded steel and divided into three layers. The layers are isolated by detachable layered bulkheads and connected by inter-layer passages. The lift hatch, watertight door, observation window, passage door and oil pool are installed on the simulated cabin section. The oil pool is used in oil fire test and can be replaced with solid fire, electric fire, gas fire and other simulation devices according to the needs of fire test. The position can be changed according to the test requirements.

[0010] The ventilation system exhausts smoke and delivers fresh air through ventilation pipes. Its outlet is equipped with a butterfly valve, and its inlet is equipped with a fan and a filter. The ventilation pipe is installed on the cabin shell through a ventilation plug plate. There are two sets of it, one set is arranged on the left and right sides of the simulated cabin, and both can realize positive pressure air supply and negative pressure exhaust. The butterfly valve can realize ventilation switch control and air volume adjustment. The ventilation pipe is a flexible air duct, so that the air outlet can be adjusted according to the pressure test requirements. The filter is set at the rear of the fan to filter the smoke when exhausting smoke.

[0011] The thermocouple temperature acquisition system collects temperature data. An armored thermocouple is installed at a specific location in the cabin. The temperature data at that location is obtained during the test, and the temperature field distribution is obtained in conjunction with the infrared thermal imager. The positions of the thermocouple and infrared can be adjusted according to test requirements.

[0012] The smoke analysis system analyzes the characteristics of the smoke. The system transports the smoke generated by combustion to the component analyzer through the smoke sampling pipeline for component analysis. The smoke densitometer measures the smoke visibility in the cabin, and the pressure probe measures the pressure change in the cabin.

[0013] The water mist fire extinguishing system includes water mist nozzles, water mist pumps, control cabinets, pipelines and other accessories in the cabin, which is used to extinguish fires in the cabin;

[0014] The fire dummy system is made of flame-resistant material in the shape of a human body and is equipped with a temperature sensor. The outer garment is worn over a fire-avoiding suit or training suit as needed and is placed in the fire scene for related tests on personnel safety analysis.

[0015] A marine fire simulation test device comprises a simulated cabin section, which comprises a refrigerant tank, a fire protection device and / or an escape device.

[0016] As a further improvement of the above technical solution:

[0017] Liquid refrigerant and fire-fighting dry powder are stored in the refrigerant tank; a guide plunger is arranged on the top of the refrigerant tank, a connecting frame is arranged on the upper end of the guide plunger, a piston spring is arranged between the connecting frame and the top of the refrigerant tank, a counterweight is arranged on the upper end of the guide plunger, a one-way valve body is arranged on the top of the refrigerant tank for connecting with the cabin, a stirring paddle is arranged at the bottom of the refrigerant tank cabin for mixing the liquid refrigerant and the fire-fighting dry powder, an inlet of a venturi pipe is arranged at the lower outlet of the refrigerant tank, the other inlet of the venturi pipe is connected to the outlet of the air compressor, and the outlet of the venturi pipe is connected to the cabin; the liquid refrigerant is dry ice or liquid nitrogen.

[0018] The escape device includes an escape linear drive inclined wedge movably arranged along a guide rail in the cabin, an escape swing plate hinged in the cabin, an escape cabin body for carrying people and having rollers at the bottom is placed on the escape swing plate, the simulated cabin section is opened, the escape linear drive inclined wedge moves under the escape swing plate to make it swing, so that the escape cabin body slides out of the simulated cabin section by gravity; a supercharger, a pressure sensor, a temperature sensor, an oxygen generator and a ballast water part are arranged in the escape cabin body;

[0019] The temperature sensor is used to sense the temperature inside the cabin, and the pressure sensor is used to sense the pressure inside the cabin; the supercharger simulates the pressure change and adjusts the ballast water amount according to the pressure change.

[0020] The fire prevention device includes a bimetallic arm that is bent by heat in the cabin, a bladder jacket and a helium bladder; an exhaust spike is provided at the end of the bimetallic arm, the helium bladder is in the bladder jacket to prevent horizontal shaking, the bladder jacket is a frame hollow setting, and the exhaust spike is used to puncture the helium bladder when it is bent and deformed by heat;

[0021] A physical ejector pin is provided on one side of the helium bladder, which is manually and / or mechanically controlled to puncture the helium bladder;

[0022] The top of the helium bladder is suspended by a tension spring, and the bimetallic arm is blocked from deformation by a safety pin;

[0023] A lever is arranged in the cabin, an auxiliary counterweight is arranged at the left end of the lever, a limit hook is arranged at the right end of the lever, a sliding ring is sleeved on the right end of the lever, and a movable counterweight is hung at the lower end of the sliding ring;

[0024] The helium bladder is provided with an inner support and / or an outer support, and a first pressing block is suspended at the lower part of the helium bladder through a first pulling rope;

[0025] A pulling outward V-shaped block is horizontally arranged below the right end of the lever member, and the pulling outward V-shaped block is connected to the right end of the lever member through a second pulling rope, and a first rotating inward V-shaped block and a second rotating inward V-shaped block are respectively arranged on the outer sides of the left and right heads of the pulling outward V-shaped block; a left flexible top connected to the cabin through a spring is arranged on the left side of the first rotating inward V-shaped block, and a movable top connected to the cabin through a fireproof auxiliary reset spring is engaged on the right side of the second rotating inward V-shaped block, a fireproof Y-shaped fork is horizontally arranged at the lower end of the movable top, and a fireproof horizontal guide rail is arranged on the fireproof Y-shaped fork, and the fireproof Y-shaped fork slides horizontally in the fireproof horizontal guide rail;

[0026] The root of the fireproof door body is hinged at the upper part of the cabin, a fireproof movable pulley is arranged at the cantilever part of the fireproof door body, and a fireproof fixed pulley, a fireproof guide slide and the fork of the fireproof Y-shaped fork are distributed on the root of the fireproof door body. One end of the pulling rope body is connected to the fireproof fixed pulley, and after passing through the fireproof movable pulley and the fireproof guide slide in sequence, it hangs down and connects to the fireproof suspension block, and the fireproof suspension block is located below the fireproof Y-shaped fork;

[0027] When the helium bag is punctured, the first pressing block moves downward a set distance and presses down the left end of the lever, causing the right end to tilt, and the sliding ring drives the movable counterweight to slide to the middle fulcrum, thereby reducing the torque on the right end, and the second pulling rope swings upward to lift the pulling outward V-shaped block; under the action of the pulling outward V-shaped block and the spring, the second rotating inward V-shaped block swings, and the movable top drives the fireproof Y-shaped fork to slide horizontally to the left along the fireproof horizontal guide rail and separate from the pulling rope body. The fireproof door body opens under the action of its own weight, and the fireproof hanging block moves upward.

[0028] A ship fire simulation test method, comprising a ship fire simulation test device; when it is necessary to start fire extinguishing, first, a stirring paddle mixes and stirs liquid refrigerant and fire-fighting dry powder; then, the outlet of the refrigerant tank is opened, and under the action of the high pressure of the refrigerant tank and the downward movement of the guide plunger, the liquid refrigerant and the fire-fighting dry powder are output to a designated location for fire extinguishing;

[0029] When it is necessary to simulate escape, the escape linear drive wedge drives the escape swing plate to swing, and the escape cabin simulates sliding. The temperature sensor is used to sense the temperature inside the cabin, and the pressure sensor is used to sense the pressure inside the cabin; the supercharger simulates the pressure change and adjusts the ballast water volume according to the pressure change;

[0030] When it is necessary to start the fire protection mode, first, when the temperature is higher than the set temperature, the bimetallic arm is bent and deformed by the heat, so that the exhaust spike pierces the helium bag. When the system senses that the smoke exceeds the set threshold or people find that the fire is out of control, the physical pin is pushed out, which is manually and / or mechanically controlled to pierce the helium bag; then, when the helium bag is pierced, the first downward pressing block moves downward by a set distance and presses down the left end of the lever member, so that the right end is tilted; secondly, the sliding ring drives the movable counterweight to slide to the middle fulcrum, thereby reducing the torque on the right end, and the second pulling rope swings up to lift the pulling V-shaped block facing outward; thirdly, under the action of the pulling V-shaped block facing outward and the spring, the second rotating inward V-shaped block swings, and the movable top drives the fire-proof Y-shaped fork to slide horizontally to the left along the fire-proof horizontal guide rail and separate from the pulling rope body, the fire-proof hanging block moves upward, and the fire-proof door body opens under the action of its own weight.

[0031] The invention has reasonable design, low cost, strong durability, safety and reliability, simple operation, time and labor saving, money saving, compact structure and convenient use. It has various functions, comprehensive measurement data, and the experimental results can reflect the general submarine fire law, can meet the needs of general submarine fire tests, improve the credibility of fire tests, and can be applied to various types of submarine fire tests, and is safe, reliable, easy to use, and has no pollution to the environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 It is a schematic diagram of the use structure of the present invention.

[0033] Figure 2 It is a structural schematic diagram of the present invention.

[0034] Figure 3 It is a schematic diagram of the tank structure of the present invention.

[0035] Figure 4 It is a schematic diagram of the escape structure of the present invention.

[0036] Figure 5 It is a schematic diagram of the fire protection structure of the present invention.

[0037] Figure 6 It is a schematic diagram of the fire protection structure of the present invention.

[0038] Among them: 1. Simulated cabin; 2. Ventilation system; 3. Thermocouple temperature acquisition system; 4. Infrared thermal imager; 5. Video system; 6. Smoke collection and analysis system; 7. Fine water mist fire extinguishing system; 8. Fire dummy system; 101. Cylindrical shell; 102. Lifting hatch; 103. Watertight door; 104. Observation window; 105. Passage door; 106. Oil pool; 107. Interlayer passage; 201. Butterfly valve; 202. Ventilation pipeline; 203. Ventilation Plug board; 204, fan; 205, filter; 601, component analyzer; 602, flue gas densitometer; 603, flue gas sampling pipeline; 701, fine water mist nozzle; 702, high pressure pipeline; 703, fine water mist pump set and control cabinet; 10, refrigerant tank; 11, fire prevention device; 12, escape device; 13, liquid refrigerant; 14, fire fighting dry powder; 15, guide plunger; 16, connecting frame; 17, piston spring; 18, one-way valve body; 19 , counterweight; 20, stirring blade; 21, venturi pipeline; 22, air compressor; 23, escape linear drive wedge; 24, escape swing plate; 25, escape capsule; 26, bimetallic arm; 27, exhaust spike; 28, physical ejector pin; 29, bladder jacket; 30, helium bladder; 31, pulling spring; 32, first pulling rope; 33, first pressing block; 34, lever; 35, auxiliary counterweight; 36, limit hook; 37, sliding ring; 38 , movable counterweight; 39, second pulling rope; 40, pulling outward V-block; 41, first rotating inward V-block; 42, left flexible top; 43, second rotating inward V-block; 44, fireproof horizontal guide rail; 45, fireproof Y-shaped fork; 46, fireproof auxiliary reset spring; 47, movable top; 48, fireproof hanging block; 49, fireproof door body; 50, fireproof movable pulley; 51, fireproof fixed pulley; 52, fireproof guide slide; 53, pulling rope body. DETAILED DESCRIPTION

[0039] like Figure 1-6 As shown, the present invention includes a simulated cabin 1, a ventilation system 2, a thermocouple temperature acquisition system 3, an infrared thermal imager 4, a video system 5, a smoke collection and analysis system 6, a fine water mist fire extinguishing system 7 and a fire dummy system 8.

[0040] The simulated cabin section 1 includes a cylindrical shell 101, a lift hatch 102, a watertight door 103, an observation window 104, a passage door 105, an oil pool 106, and an interlayer passage 107;

[0041] The simulated cabin section 1 is welded steel and is divided into three layers from top to bottom. The layers are isolated by detachable layered bulkheads and connected by interlayer passages 107. The lift hatch 102, watertight door 103, observation window 104, passage door 105 and oil pool 106 are installed on the simulated cabin section 1; the oil pool 106 is used when conducting oil fire tests and can be replaced with solid fire, electric fire, gas fire and other simulation devices according to the needs of the fire test, and the position can be changed according to the test requirements;

[0042] The ventilation system 2 exhausts smoke and delivers fresh air through the ventilation pipe 202. Its outlet is provided with a butterfly valve 201, and its inlet is provided with a fan 204 and a filter 205. The ventilation pipe 202 is installed on the cabin shell 101 through a ventilation plug plate 203. There are two sets of ventilation pipes, one set is arranged on the left and right sides of the simulated cabin section 1, and both can realize positive pressure air supply and negative pressure air exhaust. The butterfly valve 201 can realize ventilation switch control and air volume adjustment. The ventilation pipe 202 is a flexible air duct, so that the air outlet can be adjusted according to the pressure test requirements. The filter 205 is arranged at the rear of the fan 204 to filter the smoke when exhausting smoke.

[0043] Thermocouple temperature acquisition system 3 collects temperature data. An armored thermocouple is installed at a specific position in the cabin. The temperature data of the position is obtained during the test, and the temperature field distribution is obtained in cooperation with the infrared thermal imager 4. The positions of the thermocouple and the infrared can be adjusted according to the test requirements.

[0044] The smoke analysis system 6 performs smoke characteristic analysis. The system transmits the smoke generated by combustion to the component analyzer 601 through the smoke sampling pipeline 603 for component analysis. The smoke densitometer 602 measures the smoke visibility in the cabin, and the pressure probe measures the pressure change in the cabin.

[0045] The water mist fire extinguishing system 7 includes a water mist nozzle 701, a pipeline 702, a water mist pump set and a control cabinet 703 in the cabin, and its function is to extinguish fire in the cabin;

[0046] The fire dummy system 8 is made of flame-resistant material in the shape of a human body and is provided with a temperature sensor. The outer garment is worn over a fire-avoiding suit or a training suit as required and is placed in a fire scene for use in tests related to personnel safety analysis.

[0047] like Figure 1 As shown, the marine fire simulation test device of this embodiment includes a simulated cabin, a ventilation system, a thermocouple temperature acquisition system, an infrared thermal imager, a video system, a smoke collection and analysis system, a fine water mist fire extinguishing system and a fire dummy system.

[0048] The simulated cabin section includes a cylindrical shell, a companionway, a watertight door, an observation window, a passage door, an oil pool, and an interlayer passage;

[0049] The simulated cabin section is welded steel and divided into three layers. The layers are isolated by detachable layered bulkheads and connected by inter-layer passages. The lift hatch, watertight door, observation window, passage door and oil pool are installed on the simulated cabin section. The oil pool is used in oil fire test and can be replaced with solid fire, electric fire, gas fire and other simulation devices according to the needs of fire test. The position can be changed according to the test requirements.

[0050] The ventilation system exhausts smoke and delivers fresh air through ventilation pipes. Its outlet is equipped with a butterfly valve, and its inlet is equipped with a fan and a filter. The ventilation pipe is installed on the cabin shell through a ventilation plug plate. There are two sets of it, one set is arranged on the left and right sides of the simulated cabin, and both can realize positive pressure air supply and negative pressure exhaust. The butterfly valve can realize ventilation switch control and air volume adjustment. The ventilation pipe is a flexible air duct, so that the air outlet can be adjusted according to the pressure test requirements. The filter is set at the rear of the fan to filter the smoke when exhausting smoke.

[0051] The thermocouple temperature acquisition system collects temperature data. An armored thermocouple is installed at a specific location in the cabin. The temperature data at that location is obtained during the test, and the temperature field distribution is obtained in conjunction with the infrared thermal imager. The positions of the thermocouple and infrared can be adjusted according to test requirements.

[0052] The smoke analysis system analyzes the characteristics of the smoke. The system transports the smoke generated by combustion to the component analyzer through the smoke sampling pipeline for component analysis. The smoke densitometer measures the smoke visibility in the cabin, and the pressure probe measures the pressure change in the cabin.

[0053] The water mist fire extinguishing system includes water mist nozzles, water mist pumps, control cabinets, pipelines and other accessories in the cabin, which is used to extinguish fires in the cabin;

[0054] The fire dummy system is made of flame-resistant material in the shape of a human body and is equipped with a temperature sensor. The outer garment is worn over a fire-avoiding suit or training suit as needed and is placed in the fire scene for related tests on personnel safety analysis.

[0055] The marine fire simulation test device of this embodiment includes a simulated cabin section 1 , which includes a refrigerant tank 10 , a fire protection device 11 and / or an escape device 12 .

[0056] Liquid refrigerant 13 and fire-fighting dry powder 14 are stored in the refrigerant tank 10; a guide plunger 15 is arranged at the top of the refrigerant tank 10, a connecting frame 16 is arranged at the upper end of the guide plunger 15, a piston spring 17 is arranged between the connecting frame 16 and the top of the refrigerant tank 10, a counterweight 19 is arranged at the upper end of the guide plunger 15, a one-way valve body 18 is arranged at the top of the refrigerant tank 10 for communicating with the cabin, a stirring paddle 20 is arranged at the bottom of the cabin of the refrigerant tank 10 for mixing the liquid refrigerant 13 and the fire-fighting dry powder 14, an inlet of a venturi pipeline 21 is arranged at the lower outlet of the refrigerant tank 10, the other inlet of the venturi pipeline 21 is connected to the outlet of an air compressor 22, and the outlet of the venturi pipeline 21 is connected to the cabin; the liquid refrigerant is dry ice or liquid nitrogen.

[0057] The escape device 12 includes an escape linear drive wedge 23 movably arranged along a guide rail in the cabin, an escape swing plate 24 is hinged in the cabin, an escape cabin 25 for carrying people and having rollers at the bottom is placed on the escape swing plate 24, the simulated cabin section 1 is opened, the escape linear drive wedge 23 moves under the escape swing plate 24 to make it swing, so that the escape cabin 25 slides out of the simulated cabin section 1 by gravity; a supercharger, a pressure sensor, a temperature sensor, an oxygen generator and a ballast water part are arranged in the escape cabin 25;

[0058] The temperature sensor is used to sense the temperature inside the cabin, and the pressure sensor is used to sense the pressure inside the cabin; the supercharger simulates the pressure change and adjusts the ballast water amount according to the pressure change.

[0059] The fire prevention device 11 includes a bimetallic arm 26 that is bent by heat in the cabin, a bladder jacket 29, and a helium bladder 30; an exhaust thorn 27 is provided at the end of the bimetallic arm 26, and the helium bladder 30 is in the bladder jacket 29 to prevent horizontal shaking. The bladder jacket 29 is a hollow frame, and the exhaust thorn 27 is used to puncture the helium bladder 30 when it is bent and deformed by heat;

[0060] A physical ejector pin 28 is provided on one side of the helium bladder 30, which is manually and / or mechanically controlled to puncture the helium bladder 30;

[0061] The top of the helium bladder 30 is suspended by a tension spring 31, and the bimetallic arm 26 is blocked from deformation by a safety pin;

[0062] A lever member 34 is provided in the cabin, an auxiliary counterweight 35 is provided at the left end of the lever member 34, a limit hook 36 is provided at the right end of the lever member 34, a sliding ring 37 is sleeved on the right end of the lever member 34, and a movable counterweight 38 is hung at the lower end of the sliding ring 37;

[0063] The helium bladder 30 has an inner support and / or an outer support, and a first pressing block 33 is suspended at the lower part of the helium bladder 30 through a first pulling rope 32;

[0064] A pulling outward V-shaped block 40 is horizontally arranged below the right end of the lever member 34, and the pulling outward V-shaped block 40 is connected to the right end of the lever member 34 through a second pulling rope 39, and a first rotating inward V-shaped block 41 and a second rotating inward V-shaped block 43 are respectively arranged on the outer sides of the left and right heads of the pulling outward V-shaped block 40; a left flexible top 42 connected to the cabin through a spring is arranged on the left side of the first rotating inward V-shaped block 41, and a movable top 47 connected to the cabin through a fireproof auxiliary reset spring 46 is engaged on the right side of the second rotating inward V-shaped block 43, and a fireproof Y-shaped fork 45 is horizontally arranged at the lower end of the movable top 47, and a fireproof horizontal guide rail 44 is arranged on the fireproof Y-shaped fork 45, and the fireproof Y-shaped fork 45 slides horizontally in the fireproof horizontal guide rail 44;

[0065] The root of the fireproof door body 49 is hinged at the upper part of the cabin, and a fireproof movable pulley 50 is arranged at the cantilever part of the fireproof door body 49. A fireproof fixed pulley 51, a fireproof guide slide 52 and the fork of the fireproof Y-shaped fork 45 are distributed at the root of the fireproof door body 49. One end of the pulling rope body 53 is connected to the fireproof fixed pulley 51, and after passing through the fireproof movable pulley 50 and the fireproof guide slide 52 in sequence, it is drooped and connected to the fireproof hanging block 48, and the fireproof hanging block 48 is located below the fireproof Y-shaped fork 45;

[0066] When the helium bag 30 is punctured, the first pressing block 33 moves downward by a set distance and presses down the left end of the lever member 34, so that the right end tilts up, and the sliding ring 37 drives the movable counterweight 38 to slide to the middle fulcrum, thereby reducing the torque on the right end, and the second pulling rope 39 swings upward to lift the pulling outward V-shaped block 40; under the pulling of the outward V-shaped block 40 and the action of the spring, the second rotating inward V-shaped block 43 swings, and the movable top 47 drives the fireproof Y-shaped fork 45 to slide horizontally to the left along the fireproof horizontal guide rail 44 and separate from the pulling rope body 53, and the fireproof door body 49 opens under the action of its own weight, and the fireproof hanging block 48 moves upward.

[0067] The ship fire simulation test method of this embodiment includes a ship fire simulation test device; when it is necessary to start fire extinguishing, first, the stirring paddle 20 mixes and stirs the liquid refrigerant 13 and the fire-fighting dry powder 14; then, the outlet of the refrigerant tank 10 is opened, and under the high pressure of the refrigerant tank 10 and the downward action of the guide plunger 15, the liquid refrigerant 13 and the fire-fighting dry powder 14 are output to the designated part for fire extinguishing;

[0068] When it is necessary to simulate escape, the escape linear drive wedge 23 drives the escape swing plate 24 to swing, and the escape cabin 25 simulates sliding. The temperature sensor is used to sense the temperature inside the cabin, and the pressure sensor is used to sense the pressure inside the cabin; the supercharger simulates the pressure change and adjusts the ballast water volume according to the pressure change;

[0069] When the fire protection mode needs to be activated, first, when the temperature is higher than the set temperature, the bimetallic arm 26 is bent and deformed by the heat, so that the exhaust spike 27 pierces the helium bag 30. When the system senses that the smoke exceeds the set threshold or a person discovers a fire, the physical push pin 28 is manually and / or mechanically controlled to pierce the helium bag 30; then, after the helium bag 30 is pierced, the first pressing block 33 moves downward by a set distance and presses down the left end of the lever member 34, so that the right end tilts up; secondly, the sliding ring 3 7 drives the movable counterweight 38 to slide to the middle fulcrum, thereby reducing the torque at the right end, and the second pulling rope 39 swings upward to lift the pulling V-shaped block 40; again, under the pulling of the outward V-shaped block 40 and the action of the spring, the second rotating inward V-shaped block 43 swings, and the movable top 47 drives the fireproof Y-shaped fork 45 to slide horizontally to the left along the fireproof horizontal guide rail 44 and separate from the pulling rope body 53, the fireproof hanging block 48 goes up, and the fireproof door body 49 opens under the action of its own weight.

[0070] The invention has a reasonable and complete structure, and the measurement data is comprehensive and reliable. It can reflect the law of fire and has no pollution to the environment. It realizes the simulation of the new device and method of escape, fire extinguishing and fire prevention after the submarine is improved, so as to provide a basis for its actual operation and reduce safety risks. The design is ingenious and the operation is convenient, so that the force is amplified multiple times, and the pure mechanical control simulation exercise is realized after the circuit is damaged, so as to realize the induction and amplification of tiny signals.

Claims

1. A marine fire simulation test device, characterized in that: It comprises a simulated cabin section (1), which comprises a refrigerant tank (10), a fire protection device (11) and an escape device (12); A ventilation system (2), a thermocouple temperature acquisition system (3), an infrared thermal imager (4), a video system (5), a smoke collection and analysis system (6), a water mist fire extinguishing system (7) and a fire dummy system (8) are provided in the simulation compartment (1); Liquid refrigerant (13) and fire-fighting dry powder (14) are stored in the refrigerant tank (10); a guide plunger (15) is arranged at the top of the refrigerant tank (10); a connecting frame (16) is arranged at the upper end of the guide plunger (15); a piston spring (17) is arranged between the connecting frame (16) and the top of the refrigerant tank (10); a counterweight (19) is arranged at the upper end of the guide plunger (15); a one-way valve body (18) is arranged at the top of the refrigerant tank (10) for communicating with the cabin; a stirring paddle (20) is arranged at the bottom of the cabin of the refrigerant tank (10) for mixing and stirring the liquid refrigerant (13) and the fire-fighting dry powder (14); an inlet of a venturi pipe (21) is arranged at the lower outlet of the refrigerant tank (10); the other inlet of the venturi pipe (21) is connected to the outlet of an air compressor (22); and the outlet of the venturi pipe (21) is connected to the cabin; the liquid refrigerant is dry ice or liquid nitrogen.

2. The marine fire simulation test device according to claim 1, characterized in that: The escape device (12) comprises an escape linear drive inclined wedge (23) movably arranged along a guide rail in a cabin, an escape swing plate (24) hingedly connected in the cabin, an escape cabin (25) for carrying people and having rollers at the bottom placed on the escape swing plate (24), the simulated cabin section (1) is opened, the escape linear drive inclined wedge (23) moves under the escape swing plate (24) to swing, so that the escape cabin (25) slides out of the simulated cabin section (1) by gravity; a supercharger, a pressure sensor, a temperature sensor, an oxygen generator and a ballast water section are arranged in the escape cabin (25); The temperature sensor is used to sense the temperature inside the cabin, and the pressure sensor is used to sense the pressure inside the cabin; the supercharger simulates the pressure change and adjusts the ballast water amount according to the pressure change.

3. The marine fire simulation test device according to claim 2, characterized in that: The fire prevention device (11) comprises a bimetallic arm (26) arranged in a cabin and bent by heat, a bladder jacket (29) and a helium bladder (30); an exhaust thorn (27) is arranged at the end of the bimetallic arm (26); the helium bladder (30) is in the bladder jacket (29) to prevent horizontal shaking; the bladder jacket (29) is a frame hollowing arrangement; the exhaust thorn (27) is used to puncture the helium bladder (30) when it is bent and deformed by heat; A physical ejector pin (28) is provided on one side of the helium bladder (30), which is manually and / or mechanically controlled to puncture the helium bladder (30); The top of the helium bag (30) is suspended by a tension spring (31), and the bimetallic arm (26) is prevented from deforming by a safety pin; A lever member (34) is arranged in the cabin, an auxiliary counterweight (35) is arranged at the left end of the lever member (34), a limit hook (36) is arranged at the right end of the lever member (34), a sliding ring (37) is sleeved on the right end of the lever member (34), and a movable counterweight (38) is hung at the lower end of the sliding ring (37); The helium sac (30) has an inner support and / or an outer support, and a first pressing block (33) is suspended at the lower part of the helium sac (30) via a first pulling rope (32); A pulling outward V-shaped block (40) is horizontally arranged below the right end of the lever member (34), and the pulling outward V-shaped block (40) is connected to the right end of the lever member (34) through a second pulling rope (39). A first rotating inward V-shaped block (41) and a second rotating inward V-shaped block (43) are respectively arranged outside the left and right heads of the pulling outward V-shaped block (40); a left flexible top (42) connected to the cabin through a spring is arranged on the left side of the first rotating inward V-shaped block (41), and a movable top (47) connected to the cabin through a fireproof auxiliary return spring (46) is engaged on the right side of the second rotating inward V-shaped block (43), and a fireproof Y-shaped fork (45) is horizontally arranged at the lower end of the movable top (47), and a fireproof horizontal guide rail (44) is arranged on the fireproof Y-shaped fork (45), and the fireproof Y-shaped fork (45) slides horizontally in the fireproof horizontal guide rail (44); The root of a fireproof door body (49) is hinged at the upper part of the cabin, a fireproof movable pulley (50) is arranged at the cantilever part of the fireproof door body (49), and a fireproof fixed pulley (51), a fireproof guide slide (52) and the fork of a fireproof Y-shaped fork (45) are distributed at the root of the fireproof door body (49), one end of a pulling rope body (53) is connected to the fireproof fixed pulley (51), and after passing through the fireproof movable pulley (50) and the fireproof guide slide (52) in sequence, it is suspended and connected to a fireproof hanging block (48), and the fireproof hanging block (48) is located below the fireproof Y-shaped fork (45); When the helium bag (30) is punctured, the first pressing block (33) moves downward a set distance and presses down the left end of the lever member (34), causing the right end to tilt up, and the sliding ring (37) drives the movable counterweight (38) to slide to the middle fulcrum, thereby reducing the torque on the right end, and the second pulling rope (39) swings upward to lift the pulling outward V-shaped block (40); under the action of the pulling outward V-shaped block (40) and the spring, the second rotating inward V-shaped block (43) swings, and the movable top (47) drives the fireproof Y-shaped fork (45) to slide horizontally to the left along the fireproof horizontal guide rail (44) and separate from the pulling rope body (53), and the fireproof door body (49) opens under the action of its own weight, and the fireproof hanging block (48) moves upward.

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