CN112807582A - Airplane fire extinguishing bottle comprehensive test and intelligent filling detection device and use method - Google Patents
Airplane fire extinguishing bottle comprehensive test and intelligent filling detection device and use method Download PDFInfo
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- CN112807582A CN112807582A CN202110192672.7A CN202110192672A CN112807582A CN 112807582 A CN112807582 A CN 112807582A CN 202110192672 A CN202110192672 A CN 202110192672A CN 112807582 A CN112807582 A CN 112807582A
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/07—Fire prevention, containment or extinguishing specially adapted for particular objects or places in vehicles, e.g. in road vehicles
- A62C3/08—Fire prevention, containment or extinguishing specially adapted for particular objects or places in vehicles, e.g. in road vehicles in aircraft
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C13/00—Portable extinguishers which are permanently pressurised or pressurised immediately before use
- A62C13/76—Details or accessories
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/50—Testing or indicating devices for determining the state of readiness of the equipment
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Abstract
The invention provides an airplane fire-extinguishing bottle comprehensive testing and intelligent filling detection device and a using method thereof.A touch control screen and a principle nameplate are arranged on the front side wall of the top of a control console car body, a test water tank is arranged on the control console car body, a printer storage cabinet is arranged at the bottom of the control console car body, a detection and filling interface component is arranged on one side wall of the control console car body, and the detection and filling interface component is connected with a pressure detection system, a filling system and a tightness test system; a hand pump is arranged on the other side wall of the console body; the pressure detection system, the filling system and the tightness test system are connected with a control system for controlling the work of the pressure detection system, the filling system and the tightness test system. The device has the functions of pressure detection, tightness test, filling and detection of different fire extinguishing media of a common fire extinguishing bottle on an airplane, and the equipment is provided with a portable printer which can print the quality and pressure curve of the filling medium of the fire extinguishing bottle in real time through a control system.
Description
Technical Field
The invention belongs to the technical field of fire extinguisher filling and performance testing, and particularly relates to an airplane fire extinguishing bottle comprehensive testing and intelligent filling detection device and a using method thereof.
Background
Special fire extinguishers need to be equipped on the airplane, wherein the airplane fire extinguishing bottle types comprise: cylindrical fire-extinguishing bottle, spherical fire-extinguishing bottle, neutral fire-extinguishing gas bottle and portable fire-extinguishing bottle, and the filling medium of the fire-extinguishing bottle is N2 、C0 21211, etc. and after filling, it is necessary to detect the air tightness of the fire extinguisher, and in order to realize the above functions, it is necessary to adopt corresponding fire extinguisher bottle comprehensive test and intelligent filling detection devices.
Disclosure of Invention
The invention mainly aims to provide a comprehensive test and intelligent filling detection device for an airplane fire-extinguishing bottle and a using method thereof, wherein the device has the functions of pressure detection, tightness test, filling and detection of different fire-extinguishing media of the common fire-extinguishing bottle on the airplane, and the equipment is provided with a portable printer which can print the quality and pressure curve of the filling medium of the fire-extinguishing bottle in real time through a control system; meanwhile, the leak tightness detection can be automatically carried out on line at the end of filling.
In order to achieve the technical features, the invention is realized as follows: the comprehensive testing and intelligent filling detection device for the aircraft fire-extinguishing bottle comprises a console body, wherein a touch control screen and a principle nameplate are arranged on the front side wall of the top of the console body, a test water tank is arranged on the console body, a printer storage cabinet is arranged at the bottom of the console body, a detection and filling interface assembly is arranged on one side wall of the console body, and the detection and filling interface assembly is connected with a pressure detection system, a filling system and a tightness test system; a hand pump is arranged on the other side wall of the console body; the pressure detection system, the filling system and the tightness test system are connected with a control system for controlling the work of the pressure detection system, the filling system and the tightness test system.
The bottom of the control table vehicle body is provided with universal wheels and directional wheels for the movement of the whole device; and a traction handrail is arranged on the side wall of the control console body.
The detection and filling interface component comprises a pressure detection interface, a 1211 filling interface and a CO2Fill interface and N2And filling the interface.
The pressure detection system comprises a test oil tank, a liquid level meter, a first air filter, an auxiliary oil tank and an oil drain switch are arranged on the test oil tank, the interior of the test oil tank is connected with a hand pump through an oil suction filter, an oil outlet of the hand pump is connected with a system safety valve through a first one-way valve, the system safety valve is connected with a first test hose through a first two-position two-way electromagnetic valve and a second two-position two-way electromagnetic valve, a first pressure sensor is installed on the first test hose, and the first test hose is used for being connected with a fire extinguishing bottle to be tested.
The filling system comprises a filling gas source, an outlet of the filling gas source is connected with a second one-way valve, the second one-way valve is connected with a third two-position two-way electromagnetic valve through a second air filter, a second pressure sensor is installed between the second one-way valve and the third two-position two-way electromagnetic valve, a pressure reducer and a filling pump are connected behind the third two-position two-way electromagnetic valve in parallel, a first safety valve is connected behind the pressure reducer, a third pressure sensor is installed on the first safety valve, a fourth two-position two-way electromagnetic valve is connected behind the first safety valve, and a low-pressure interface is connected behind the fourth;
a steam-water separator switch is installed on the filling pump, a fifth two-position two-way electromagnetic valve and a sixth two-position two-way electromagnetic valve are connected behind the filling pump in parallel, and a seventh two-position two-way electromagnetic valve and a fourth pressure sensor are connected behind the fifth two-position two-way electromagnetic valve;
and a fifth pressure sensor is arranged between the filling pump and the fifth two-position two-way electromagnetic valve, and a second safety valve and a third safety valve are connected behind the sixth two-position two-way electromagnetic valve.
The tightness test system comprises a second test hose connected with an air source, and the second test hose is connected with a fire extinguishing bottle to be tested; during the tightness test, the fire extinguishing bottle is immersed into a test water tank filled with test water.
The control system adopts a PLC as a controller, the control mode adopts touch screen control, and the PLC receives analog signals of sensors in the system to perform corresponding test record and data storage; in order to observe the filling and sealing test performance of the fire-extinguishing bottle more visually, the system dynamically records, displays and stores test records in the system through the Trace function of the PLC, and realizes the printing of the test records and test results through a configured printer so as to visualize test data; the control system has a self-checking function, can detect the working state of the system through each signal access point arranged in the system, prompts an alarm when abnormal conditions or faults occur, and cannot enter each working interface.
The use method of the comprehensive test and intelligent filling detection device for the aircraft fire-extinguishing bottle comprises the following steps:
the method comprises the following steps: carrying out pressure detection on the fire extinguishing bottle to be tested;
step two: after the pressure detection is finished, selecting different filling media and pressures for different types of fire extinguishing bottles to fill the fire extinguishing media into the fire extinguishing bottles;
step three: and after the fire extinguishing medium is filled, performing a tightness test on the filled fire extinguishing bottle.
The specific operation of the first step is as follows: reliably connect testboard and the fire bottle that awaits measuring with first experimental hose, experimental oil circuit flow direction is as follows:
the test oil tank → the hand pump → the first one-way valve → the second two-position two-way solenoid valve → the first pressure sensor → the first test hose → the fire extinguishing bottle;
filling the fire extinguishing bottle with test required pressure, closing the second two-position two-way electromagnetic valve for pressure maintaining test, detecting the pressure value in the fire extinguishing bottle in real time by the first pressure sensor, storing data in a processor, facilitating analysis and printing of test data, opening the first two-position two-way electromagnetic valve after the test is finished, releasing pressure of the fire extinguishing bottle and a test pipeline, detaching a first test hose after the pressure releasing is finished, pouring hydraulic oil in the fire extinguishing bottle into an auxiliary oil tank, cleaning the fire extinguishing bottle qualified by the test with industrial alcohol, drying the fire extinguishing bottle with dry nitrogen, and transferring to the next process;
the specific operation of the second step is as follows:
the filling system is used for filling the fire extinguishing bottle with N2 、C0 21211 fire extinguishing medium, the filling system is divided into a low pressure filling system and a pressurization filling system; wherein the low-pressure filling system is used for indirectly filling 1211 into the fire extinguishing bottle, and the pressurizing filling system is used for filling N into the fire extinguishing bottle2And CO2And the filling ending system performs a sealing test on the filling fire-extinguishing bottle according to the detection value fed back by the pressure sensor, and the specific working process is as follows:
low-pressure filling system:
when the low-pressure filling system fills 1211 fire extinguishing medium into the fire extinguishing bottle, firstly, nitrogen is filled into a 1211 storage tank through the low-pressure filling system, after the filling pressure reaches the requirement, the 1211 medium in the 1211 storage tank is filled into the fire extinguishing bottle, and working gas circuits are as follows:
nitrogen source → second air filter → second pressure sensor → third two-position two-way solenoid valve → pressure reducer → third pressure sensor → fourth two-position two-way solenoid valve → 1211 storage tank → fire-extinguishing bottle;
the second pressure sensor is used for displaying the pressure of an air source, the pressure reducer is used for controlling the filling pressure of different fire extinguishing bottles, the third pressure sensor is used for displaying the actual nitrogen pressure filled into the 1211 storage tank, and the first safety valve is used for limiting the highest pressure of the low-pressure filling system and preventing the overpressure of the system from damaging personnel and products;
pressurization filling system:
the pressurizing and filling system mainly has the function of inputting gas N into a gas source2Or C02The high-pressure filling is carried out on the fire extinguishing bottle after the pressurization of the filling pumpCharging, pressurizing filling working gas circuit is as follows:
N2or C02Air source → second air filter → second pressure sensor → third two-position two-way solenoid valve → filling pump → fifth pressure sensor → fifth two-position two-way solenoid valve → fourth pressure sensor → filling fire-extinguishing bottle;
the filling pump controls the pressurization pressure through a system, so that real-time control of filling pressures of different gas sources and different fire extinguishing bottles can be realized, the fifth pressure sensor is used for detecting the actual pressure after pressurization of the filling pump, and the fourth pressure sensor is used for displaying the value of the gas pressure actually filled into the fire extinguishing bottles and also used for automatically detecting the sealing property after filling is finished;
the fourth two-position two-way electromagnetic valve is used for relieving pressure of the system and the pipeline after filling is finished, the sixth two-position two-way electromagnetic valve correspondingly selects a safety valve of the pressurization system according to the gas source pressurized by the system, wherein the safety valve is used for limiting N2The highest system pressure during pressurization, and a second relief valve to limit C02The highest pressure of the system during pressurized filling;
the third step comprises the following specific operations:
when the tightness test is carried out, the electromagnetic valve is closed after the fire extinguishing bottle to be filled is filled with a specified pressure value, the fourth pressure sensor detects the pressure in the fire extinguishing bottle in real time, and when the pressure gauge drops to exceed a set value, the system judges that the tightness of the fire extinguishing bottle does not reach the standard and gives an alarm for prompting.
The invention has the following beneficial effects:
1. the testing and intelligent filling detection device adopting the structure can be used for testing various performances of the airplane fire extinguisher and can effectively fill the fire extinguisher.
2. Through adopting foretell control cabinet automobile body, it can be used for carrying required pressure measurement system, filling system and the leakproofness test system of whole testing process and link to each other, and then makes things convenient for the removal of whole device.
3. The pressure detection system can realize the pressure test of the fire extinguishing bottle.
4. For filling fire-extinguishing bottles with N by means of a filling system2 、C0 21211 fire extinguishing medium, the filling system is divided into a low pressure filling system and a pressurization filling system. And the adaptability of the whole system is enhanced by adopting a plurality of filling modes.
5. The tightness test system is used for testing the tightness of the fire extinguishing bottle after the fire extinguishing medium is filled, the detection test can be realized by carrying out automatic sealing detection on test board software, and a test air source is obtained by pressurizing a filling pump of the test board.
Drawings
The invention is further illustrated by the following figures and examples.
FIG. 1 is a first perspective three-dimensional view of the overall structure of the present invention.
FIG. 2 is a second perspective three-dimensional view of the overall structure of the present invention.
FIG. 3 is a schematic diagram of a pressure sensing system of the present invention.
Fig. 4 is a schematic diagram of the filling system of the present invention.
FIG. 5 is a schematic diagram of a leak testing system of the present invention.
In the figure: the device comprises a control console body 1, a touch control screen 2, a traction handrail 3, pressure detection interfaces 4, 1211 filling interfaces 5, a CO2 filling interface 6, an N2 filling interface 7, a universal wheel 8, a principle nameplate 9, a test water tank 10, a hand pump 11, a printer storage cabinet 12, a directional wheel 13, a liquid level meter 14, a test oil tank 15, a first air filter 16, an auxiliary oil tank 17, an oil drain switch 18, an oil suction filter 19, a second test hose 20, a first one-way valve 21, a system safety valve 22, a first two-position two-way electromagnetic valve 23, a second two-position two-way electromagnetic valve 24, a first pressure sensor 25, a first test hose 26, a fire extinguishing bottle 27, a second one-way valve 28, a second air filter 29, a second pressure sensor 30, a third two-position two-way electromagnetic valve 31, a pressure reducer 32, a third pressure sensor 33, a fourth two-position two-way electromagnetic valve 34, a first safety valve 35, a filling pump 36, a fifth pressure, A fifth two-position two-way solenoid valve 38, a seventh two-position two-way solenoid valve 39, a fourth pressure sensor 40, a steam-water separator switch 41, a sixth two-position two-way solenoid valve 42, a second safety valve 43, a third safety valve 44, and test water 45.
Detailed Description
Embodiments of the present invention will be further described with reference to the accompanying drawings.
Example 1:
referring to fig. 1-2, the comprehensive test and intelligent filling detection device for the aircraft fire-extinguishing bottle comprises a console body 1, wherein a touch control screen 2 and a principle nameplate 9 are arranged on the front side wall of the top of the console body 1, a test water tank 10 is arranged on the console body 1, a printer storage cabinet 12 is arranged at the bottom of the console body 1, a detection and filling interface component is arranged on one side wall of the console body 1, and the detection and filling interface component is connected with a pressure detection system, a filling system and a sealing test system; a hand pump 11 is arranged on the other side wall of the control console body 1; the pressure detection system, the filling system and the tightness test system are connected with a control system for controlling the work of the pressure detection system, the filling system and the tightness test system. The testing and intelligent filling detection device adopting the structure can be used for testing various performances of the airplane fire extinguisher and can effectively fill the fire extinguisher.
Furthermore, the control console body is made of 316L stainless steel and has good corrosion resistance, and the control console body is provided with universal wheels and directional wheels and is provided with traction handrails, so that the test bed can be moved conveniently. A test water tank is designed on the table board of the vehicle body, and the fire extinguishing bottle detection test with different process requirements can be met. The hand pump is additionally arranged on the side edge of the vehicle body, so that the worker can conveniently perform related strength and pressure tests on the fire extinguishing bottle.
Further, the bottom of the control desk vehicle body 1 is provided with universal wheels 8 and directional wheels 13 for moving the whole device; and a traction handrail 3 is arranged on the side wall of the control platform body 1. The movement and walking of the entire console box 1 can be facilitated by the universal wheels 8 and the directional wheels 13 described above.
Further, the detection and filling interface assembly comprises a pressure detection interface 4, a 1211 filling interface 5, and a CO2Fill interface 6 and N2The interface 7 is filled. Through the different external interfaces, the fire extinguisher bottle 27 to be tested can be conveniently connected, and then the corresponding test working process is realized.
Furthermore, the control console is controlled by a touch screen, so that the conventional switch and button control of complicated equipment hardware is simplified, the misoperation of operators is greatly reduced, and the fault tolerance of the equipment is improved. Meanwhile, the touch screen is selected as the operation control screen, so that the advantages that all sensing data of the system can be visually and orderly displayed on the touch screen in a centralized manner, the integration, recording, storage and printing of the data are facilitated, and the touch screen has the characteristics of long service life, small structure and light weight.
Example 2:
referring to fig. 3, the pressure detection system comprises a test oil tank 15, a liquid level meter 14, a first air filter 16, an auxiliary oil tank 17 and an oil drain switch 18 are arranged on the test oil tank 15, the interior of the test oil tank 15 is connected with a hand pump 11 through an oil suction filter 19, an oil outlet of the hand pump 11 is connected with a system safety valve 22 through a first one-way valve 21, the system safety valve 22 is connected with a first test hose 26 through a first two-position two-way solenoid valve 23 and a second two-position two-way solenoid valve 24, a first pressure sensor 25 is mounted on the first test hose 26, and the first test hose 26 is used for being connected with a fire extinguishing bottle 27 to be tested. The pressure testing of the fire extinguishing bottle 27 can be realized through the pressure detection system, and the working principle is as follows:
reliably connect testboard and the fire bottle that awaits measuring with first experimental hose, experimental oil circuit flow direction is as follows:
test oil tank → hand pump → first check valve → second two-position two-way solenoid valve → first pressure sensor → first test hose → fire-extinguishing bottle.
And after the fire extinguishing bottle is filled with the pressure required by the test, the second two-position two-way electromagnetic valve is closed to perform the pressure maintaining test, the first pressure sensor detects the pressure value in the bottle in real time, and the data is stored in the processor, so that the analysis and the printing of the test data are facilitated. And after the test is finished, opening the first two-position two-way electromagnetic valve, releasing pressure of the fire extinguishing bottle and the test pipeline, detaching the first test hose after the pressure release is finished, pouring hydraulic oil in the bottle into the oil receiving auxiliary oil tank, cleaning the fire extinguishing bottle qualified in the test by using industrial alcohol, drying by using dry nitrogen, and then transferring to the next procedure.
The system safety valve is used for limiting the highest pressure of the pressure detection test system and preventing the fire extinguishing bottle and workers from being injured by manual misoperation.
Example 3:
referring to fig. 4, the filling system comprises a filling air source, an outlet of the filling air source is connected with a second one-way valve 28, the second one-way valve 28 is connected with a third two-position two-way solenoid valve 31 through a second air filter 29, a second pressure sensor 30 is arranged between the second one-way valve and the third two-position two-way solenoid valve, a pressure reducer 32 and a filling pump 36 are connected in parallel behind the third two-position two-way solenoid valve 31, a first safety valve 35 is connected behind the pressure reducer 32, a third pressure sensor 33 is arranged on the first safety valve 35, a fourth two-position two-way solenoid valve 34 is connected behind the first safety valve 35, and a low-pressure interface is connected behind the; a steam-water separator switch 41 is installed on the filling pump 36, a fifth two-position two-way electromagnetic valve 38 and a sixth two-position two-way electromagnetic valve 42 are connected behind the filling pump 36 in parallel, and a seventh two-position two-way electromagnetic valve 39 and a fourth pressure sensor 40 are connected behind the fifth two-position two-way electromagnetic valve 38; a fifth pressure sensor 37 is installed between the filling pump 36 and a fifth two-position two-way solenoid valve 38, and a second relief valve 43 and a third relief valve 44 are connected to the rear of the sixth two-position two-way solenoid valve 42.
The filling system is mainly used for filling the fire extinguishing bottle:
the filling system is used for filling the fire extinguishing bottle with N2 、C0 21211 fire extinguishing medium, the filling system is divided into a low pressure filling system and a pressurization filling system. Wherein the low-pressure filling system is mainly used for indirectly filling 1211 into the fire extinguishing bottle, and the pressurizing filling system is mainly used for filling N into the fire extinguishing bottle2And CO2And the filling ending system performs a sealing test on the filling fire-extinguishing bottle according to the detection value fed back by the pressure sensor. The working principle is as follows:
low-pressure filling system:
when the low-pressure filling system fills 1211 fire extinguishing medium into the fire extinguishing bottle, firstly, nitrogen is filled into the 1211 storage tank through the low-pressure filling system, and after the filling pressure reaches the requirement, the 1211 medium in the 1211 storage tank is filled into the fire extinguishing bottle. The working gas circuit is as follows:
nitrogen source → second air filter → second pressure sensor → third two-position two-way solenoid valve → pressure reducer → third pressure sensor → fourth two-position two-way solenoid valve → 1211 storage tank → fire-extinguishing bottle.
The second pressure sensor is used for displaying the pressure of an air source, the pressure reducer is used for controlling the filling pressure of different fire extinguishing bottles, the third pressure sensor is used for displaying the actual nitrogen pressure filled into the 1211 storage tank, and the first safety valve 35 is used for limiting the highest pressure of the low-pressure filling system and preventing the overpressure of the system from damaging personnel and products.
Pressurization filling system:
the pressurizing and filling system mainly has the function of inputting gas N into a gas source2Or C02And the fire extinguishing bottle is filled with high pressure after being pressurized by a filling pump. The pressurizing filling working gas circuit comprises the following steps:
N2or C02Air supply → second air filter → second pressure sensor → third two-position two-way solenoid valve → filling pump → fifth pressure sensor → fifth two-position two-way solenoid valve → fourth pressure sensor 40 → fire bottle.
The filling pump controls the pressurization pressure through the system, real-time control of filling pressure of different gas sources and different fire-extinguishing bottles can be achieved, the fifth pressure sensor is used for detecting actual pressure after pressurization of the filling pump, and the fourth pressure sensor 40 is used for displaying the value of the gas pressure actually filled into the fire-extinguishing bottles and is also used for automatically detecting the sealing property after filling is finished.
The fourth two-position two-way electromagnetic valve 34 is used for releasing pressure of the system and the pipeline after the filling is finished, the sixth two-position two-way electromagnetic valve 42 is used for correspondingly selecting a pressure-increasing system safety valve according to the gas source for increasing the pressure of the system, wherein the safety valve 16 is used for limiting N2The highest system pressure during pressurization, and a second relief valve 43 for limiting C02The highest pressure of the system at which filling takes place is pressurized.
The steam-water separator switch 41 is used for discharging the moisture deposited by the filling pump water mist separation module.
Example 4:
referring to fig. 5, the tightness testing system comprises a second test hose 20 for connection to a gas source, the second test hose 20 being connected to a fire suppression bottle 27 to be tested; during the tightness test, the fire extinguishing bottle 27 is immersed in the test water tank 10 containing the test water 45.
The tightness test is a tightness test of the fire extinguishing bottle after the fire extinguishing medium is filled, the detection test can be realized by carrying out automatic sealing detection on the test bench system, and the test air source is obtained by pressurizing the filling pump of the test bench.
When the tightness test is carried out, the electromagnetic valve is closed after the fire-extinguishing bottle to be filled is filled with a specified pressure value, the fourth pressure sensor 40 detects the pressure in the fire-extinguishing bottle in real time, and when the pressure gauge drops to exceed a set value, the system judges that the tightness of the fire-extinguishing bottle does not reach the standard and gives an alarm for prompting.
In addition, in order to meet the actual demands of different users and the fire-extinguishing bottle test process, the test bench is additionally provided with a sealing test water tank on the basis of automatic system detection, and the sealing test water tank is used for detecting the sealing property of the fire-extinguishing bottle when the fire-extinguishing bottle steel cylinder is not assembled and the sealing property of the fire-extinguishing bottle after filling is finished, so that the detection test is more visual and clear, and the sealing property can be judged by observing bubbles.
Example 5:
furthermore, the control system adopts a PLC as a controller, the control mode adopts touch screen control, and the PLC receives analog signals of sensors in the system to perform corresponding test record and data storage; in order to observe the filling and sealing test performance of the fire-extinguishing bottle more visually, the system dynamically records, displays and stores test records in the system through the Trace function of the PLC, and realizes the printing of the test records and test results through a configured printer so as to visualize test data; the control system has a self-checking function, can detect the working state of the system through each signal access point arranged in the system, prompts an alarm when abnormal conditions or faults occur, and cannot enter each working interface.
Claims (10)
1. Aircraft fire bottle integrated test and intelligent filling detection device, its characterized in that: the device comprises a control console body (1), wherein a touch control screen (2) and a principle nameplate (9) are arranged on the front side wall of the top of the control console body (1), a test water tank (10) is arranged on the control console body (1), a printer storage cabinet (12) is arranged at the bottom of the control console body (1), a detection and filling interface component is arranged on one side wall of the control console body (1), and the detection and filling interface component is connected with a pressure detection system, a filling system and a tightness test system; a hand pump (11) is arranged on the other side wall of the console body (1); the pressure detection system, the filling system and the tightness test system are connected with a control system for controlling the work of the pressure detection system, the filling system and the tightness test system.
2. The comprehensive testing and intelligent filling detection device for the aircraft fire-extinguishing bottle according to claim 1, characterized in that: the bottom of the control console body (1) is provided with universal wheels (8) and directional wheels (13) for moving the whole device; and a traction handrail (3) is arranged on the side wall of the console body (1).
3. The comprehensive testing and intelligent filling detection device for the aircraft fire-extinguishing bottle according to claim 1, characterized in that: the detection and filling interface component comprises a pressure detection interface (4), a 1211 filling interface (5) and a CO2Filling interface (6) and N2Filling the interface (7).
4. The comprehensive testing and intelligent filling detection device for the aircraft fire-extinguishing bottle according to claim 1, characterized in that: the pressure detection system comprises a test oil tank (15), a liquid level meter (14), a first air filter (16), an auxiliary oil tank (17) and an oil drain switch (18) are arranged on the test oil tank (15), the test oil tank (15) is connected with a hand pump (11) through an oil suction filter (19), an oil outlet of the hand pump (11) is connected with a system safety valve (22) through a first one-way valve (21), the system safety valve (22) is connected with a first test hose (26) through a first two-position two-way electromagnetic valve (23) and a second two-position two-way electromagnetic valve (24), a first pressure sensor (25) is installed on the first test hose (26), and the first test hose (26) is used for being connected with a fire extinguishing bottle (27) to be tested.
5. The comprehensive testing and intelligent filling detection device for the aircraft fire-extinguishing bottle according to claim 1, characterized in that: the filling system comprises a filling air source, an outlet of the filling air source is connected with a second one-way valve (28), the second one-way valve (28) is connected with a third two-position two-way electromagnetic valve (31) through a second air filter (29), a second pressure sensor (30) is installed between the second one-way valve and the third two-position two-way electromagnetic valve, a pressure reducer (32) and a filling pump (36) are connected in parallel after the third two-position two-way electromagnetic valve (31), a first safety valve (35) is connected after the pressure reducer (32), a third pressure sensor (33) is installed on the first safety valve (35), a fourth two-position two-way electromagnetic valve (34) is connected after the first safety valve (35), and a low-pressure interface is connected after the fourth two-position two.
6. The comprehensive testing and intelligent filling detection device for the aircraft fire-extinguishing bottle according to claim 5, characterized in that: a steam-water separator switch (41) is installed on the filling pump (36), a fifth two-position two-way electromagnetic valve (38) and a sixth two-position two-way electromagnetic valve (42) are connected behind the filling pump (36) in parallel, and a seventh two-position two-way electromagnetic valve (39) and a fourth pressure sensor (40) are connected behind the fifth two-position two-way electromagnetic valve (38);
and a fifth pressure sensor (37) is arranged between the filling pump (36) and the fifth two-position two-way electromagnetic valve (38), and a second safety valve (43) and a third safety valve (44) are connected behind the sixth two-position two-way electromagnetic valve (42).
7. The comprehensive testing and intelligent filling detection device for the aircraft fire-extinguishing bottle according to claim 1, characterized in that: the tightness test system comprises a second test hose (20) connected with a gas source, wherein the second test hose (20) is connected with a fire extinguishing bottle (27) to be tested; during the tightness test, the fire extinguishing bottle (27) is immersed into a test water tank (10) containing test water (45).
8. The comprehensive testing and intelligent filling detection device for the aircraft fire-extinguishing bottle according to claim 1, characterized in that: the control system adopts a PLC as a controller, the control mode adopts touch screen control, and the PLC receives analog signals of sensors in the system to perform corresponding test record and data storage; in order to observe the filling and sealing test performance of the fire-extinguishing bottle more visually, the system dynamically records, displays and stores test records in the system through the Trace function of the PLC, and realizes the printing of the test records and test results through a configured printer so as to visualize test data; the control system has a self-checking function, can detect the working state of the system through each signal access point arranged in the system, prompts an alarm when abnormal conditions or faults occur, and cannot enter each working interface.
9. Use of the device for comprehensive testing and intelligent filling detection of fire-extinguishing bottles for aircraft according to any one of claims 1 to 8, characterized in that it comprises the following steps:
the method comprises the following steps: carrying out pressure detection on a fire extinguishing bottle (27) to be tested;
step two: after the pressure detection is finished, different filling media and pressures are selected for different types of fire extinguishing bottles (27) to fill the fire extinguishing bottles (27) with fire extinguishing media;
step three: and after the fire extinguishing medium is filled, performing a tightness test on the filled fire extinguishing bottle.
10. The use method of the comprehensive test and intelligent filling detection device for the aircraft fire-extinguishing bottle according to claim 9 is characterized in that:
the specific operation of the first step is as follows: reliably connect testboard and the fire bottle that awaits measuring with first experimental hose, experimental oil circuit flow direction is as follows:
the test oil tank (15) → the hand pump (11) → the first check valve (21) → the second two-position two-way solenoid valve (24) → the first pressure sensor (25) → the first test hose (26) → the fire extinguishing bottle (27);
after the fire extinguishing bottle is filled with pressure required by the test, the second two-position two-way electromagnetic valve (24) is closed to carry out pressure maintaining test, the first pressure sensor (25) detects the pressure value in the fire extinguishing bottle in real time, data are stored in the processor, analysis and printing of test data are facilitated, after the test is finished, the first two-position two-way electromagnetic valve (23) is opened, pressure relief is carried out on the fire extinguishing bottle and the test pipeline, the first test hose (26) is detached after the pressure relief is finished, hydraulic oil in the fire extinguishing bottle is poured into the auxiliary oil tank (17), the fire extinguishing bottle qualified in the test is cleaned by industrial alcohol, and the fire extinguishing bottle is dried by dry nitrogen and then is handed;
the specific operation of the second step is as follows:
the filling system is used for filling the fire extinguishing bottle with N2 、C021211 fire extinguishing medium, the filling system is divided into a low pressure filling system and a pressurization filling system; wherein the low-pressure filling system is used for indirectly filling 1211 into the fire extinguishing bottle, and the pressurizing filling system is used for filling N into the fire extinguishing bottle2And CO2And the filling ending system performs a sealing test on the filling fire-extinguishing bottle according to the detection value fed back by the pressure sensor, and the specific working process is as follows:
low-pressure filling system:
when the low-pressure filling system fills 1211 fire extinguishing medium into the fire extinguishing bottle, firstly, nitrogen is filled into a 1211 storage tank through the low-pressure filling system, after the filling pressure reaches the requirement, the 1211 medium in the 1211 storage tank is filled into the fire extinguishing bottle, and working gas circuits are as follows:
nitrogen source → second air filter (29) → second pressure sensor (30) → third two-position two-way solenoid valve (31) → pressure reducer (32) → third pressure sensor (33) → fourth two-position two-way solenoid valve (34) → 1211 storage tank → fire bottle;
the second pressure sensor (30) is used for displaying the pressure of a gas source, the pressure reducer (32) is used for controlling the filling pressure of different fire extinguishing bottles, the third pressure sensor (33) is used for displaying the actual nitrogen pressure filled into the 1211 storage tank, and the first safety valve (35) is used for limiting the highest pressure of the low-pressure filling system and preventing the personnel and products from being damaged due to the overpressure of the system;
pressurization filling system:
the pressurizing and filling system mainly has the function of inputting gas N into a gas source2Or C02The high-pressure filling is carried out on the fire extinguishing bottle after the pressurization of the filling pump, and the pressurization filling working gas circuit is as follows:
N2or C02Air supply → second air filter (29) → second pressure sensor (30) → third two-position two-way solenoid valve (31) → filling pump (36) → fifth pressure sensor (37) → fifth two-position two-way solenoid valve (38) → fourth pressure sensor (40) → filling fire extinguishing bottle;
the filling pump controls the pressurization pressure through a system, so that real-time control of filling pressures of different gas sources and different fire extinguishing bottles can be realized, the fifth pressure sensor is used for detecting the actual pressure after pressurization of the filling pump, and the fourth pressure sensor (40) is used for displaying the value of the gas pressure actually filled into the fire extinguishing bottles and also used for automatically detecting the sealing property after filling is finished;
the fourth two-position two-way electromagnetic valve (34) is used for relieving pressure of the system and the pipeline after filling is finished, the sixth two-position two-way electromagnetic valve (42) correspondingly selects a safety valve of the pressurization system according to the gas source pressurized by the system, wherein the safety valve (16) is used for limiting N2The highest system pressure during pressurization, and a second relief valve (43) for limiting C02The highest pressure of the system during pressurized filling;
the third step comprises the following specific operations:
when the tightness test is carried out, the electromagnetic valve is closed after the fire-extinguishing bottle to be filled is filled with a specified pressure value, the fourth pressure sensor (40) detects the pressure in the fire-extinguishing bottle in real time, and when the pressure gauge drops to exceed a set value, the system judges that the tightness of the fire-extinguishing bottle does not reach the standard and gives an alarm for prompting.
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