A locomotive fire detection system testing device and method

Abstract

The application discloses a locomotive fire detection system test device and method, comprising, the side wall splicing plate is spliced according to the length of the driver's room and passenger compartment of the locomotive to form a side wall; the end wall splicing plate is spliced according to the width of the driver's room and passenger compartment of the locomotive to form a first end wall and a second end wall; the roof splicing part is spliced according to the height of the driver's room and passenger compartment of the locomotive to form a roof; the application solves the problems of the prior art, such as the test space not close to the real size of the locomotive, the real environment in the compartment, low test simulation degree, low test reference value, high test cost and the like. The application can simulate the scene environment of different models of locomotives to carry out fire tests on the detection device, and the test is convenient and efficient, and the test can be carried out on the fire alarm timeliness of the whole vehicle type, so as to provide reliable and powerful experimental guarantee and basis for the design of the real locomotive fire detection system.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of fire experiment, in particular to a locomotive fire detection system test device and method. BACKGROUND

[0002] In recent years, with the acceleration of high-speed rail system network construction and urban rail transit network construction, higher requirements are put forward for the safety and prevention and control accuracy of rail locomotive components and equipment. The carriages of high-speed rail and urban rail transit have a certain degree of closure, and the number of people in the carriage is relatively concentrated, especially during the rush hour and the return period during holidays, the number of people in the carriage tends to be saturated, even overloaded, so once a fire occurs, fire extinguishing and personnel evacuation will be difficult. Therefore, it is very important to be able to timely alarm when a fire occurs.

[0003] However, when designing the arrangement of the detection device in the existing rail locomotive, due to the different sizes of each type of locomotive, the same detection device arrangement scheme will result in different fire alarm times, often leading to problems such as low test space closeness to the vehicle carriage environment, low test simulation degree, low test reference value, high test cost, etc. Therefore, it is necessary to set up a suitable detection device arrangement scheme for each type of locomotive in the early design stage to ensure the reliability and effectiveness of the fire detection alarm, to ensure the safety of personnel and property, and to gain time for personnel escape and evacuation. Therefore, there is an urgent need for a test device that can determine timely alarm when a fire occurs, reserve enough escape time for personnel escape, and cover the size of all types of rail locomotives. SUMMARY

[0004] The present application provides a locomotive fire detection system test device and method to overcome the above technical problems.

[0005] In order to achieve the above purpose, the technical scheme of the present application is:

[0006] A locomotive fire detection system test device, comprising two groups of side wall splicing plates, end wall splicing plates, top plate splicing components, partition splicing plates, smoke generating devices, a plurality of detection devices, and an alarm system.

[0007] The side wall splicing plates are used to splice according to the length of the driver's room and the passenger carriage of the locomotive to form a side wall equal to the sum of the length of the driver's room and the passenger carriage of the locomotive.

[0008] The end wall splicing plates are used to splice according to the width of the driver's room and the passenger carriage of the locomotive to form a first end wall equal to the width of the driver's room of the locomotive and a second end wall equal to the width of the passenger carriage of the locomotive.

[0009] The top plate splicing part is used for splicing to form a roof according to the height of the cab and the passenger compartment of the locomotive;

[0010] The two groups of side walls, first end walls, second end walls and roofs jointly form a test area for testing the locomotive in a fire detection test;

[0011] The partition splicing plate is used for splicing into a partition wall between the first end wall and the second end wall; so that the partition wall and the two groups of side walls, first end walls and roofs jointly form a driver driving area for simulating the cab of the locomotive in a fire detection test; and the partition wall and the two groups of side walls, second end walls and roofs jointly form a passenger compartment area for simulating the passenger compartment of the locomotive in a fire detection test;

[0012] The simulation test area is used for simulating the electric control system of the locomotive;

[0013] The smoke generating device is used for generating smoke in the simulation test area to simulate the scene of a fire occurring in the locomotive;

[0014] The detection device is used for detecting smoke in the test area in a fire detection test to obtain a smoke detection signal;

[0015] The alarm system is used for obtaining alarm signal sending time data, recording the time when the smoke detection signal is received, and alarming.

[0016] Further, it further comprises a test frame and a smoke exhaust system,

[0017] The test frame is arranged outside the driver driving area, the passenger compartment area and the simulation test area in the same size and relative position relationship as the locomotive;

[0018] The smoke exhaust system is arranged at the top of the test frame; and is used for exhausting the smoke generated in the test frame during the test after the fire detection test of the locomotive is completed.

[0019] Further, it further comprises a floor splicing plate, which is used for splicing in the driver driving area according to the height of the floor in the cab of the locomotive to form a driver driving area floor simulating the cab floor;

[0020] The simulation test area is arranged below the driver driving area floor.

[0021] Further, it further comprises a plurality of functional devices, which are arranged in the test area according to the actual arrangement in the locomotive; and the functional devices are any one or more of a seat, a luggage rack, a bunk, a toilet, a passenger compartment.

[0022] Further, an observation window is arranged on the side wall.

[0023] Further, the top plate splicing component comprises a top plate and an extension component.

[0024] Both ends of the top plate are connected with two groups of side walls respectively.

[0025] The top plate comprises a first top plate and a second top plate; the first top plate and the second top plate are slidingly connected in a direction perpendicular to the side wall.

[0026] The extension component comprises a first extension rod and a second extension rod.

[0027] The first extension rod is arranged at the bottom of the first top plate, and the extension direction of the first extension rod is perpendicular to the first top plate; the second extension rod is arranged at the bottom of the second top plate, and the extension direction of the second extension rod is perpendicular to the second top plate.

[0028] A test method of a locomotive fire detection system test device, comprising the following steps:

[0029] S1: installing two groups of side walls, first end walls, second end walls, top plate splicing components, partition walls and driver driving area floors in the test frame body to form a test area for conducting a fire detection test on a locomotive, including a driver driving area, a passenger compartment area and a simulation test area;

[0030] S2: arranging one or more of seats, luggage racks, berths, toilets and passenger rooms in the compartment area and the driving area respectively;

[0031] S3: arranging a smoke generating device and a detection device inside the test area respectively, and configuring a thermal lifting device for the smoke generating device;

[0032] S4: igniting the smoke generating device, starting the thermal lifting device, starting the locomotive fire detection system test, and obtaining alarm time data when the alarm system receives the detection signal of the detection device;

[0033] S5: obtaining alarm signal sending time data when the alarm system receives the smoke detection signal;

[0034] S6: obtaining alarm reaction time according to the time data when the smoke generating device is started and the alarm signal sending time data, that is, the time interval between the time data when the smoke generating device is started and the alarm signal sending time data, to guide the arrangement of the smoke generating device and the detection device on the locomotive in the actual construction site;

[0035] S7: starting the smoke exhaust system to exhaust smoke; the locomotive fire detection system test is completed.

[0036] Further, the S3 further comprises recording the installation position and number of the detection device through the video camera to obtain the test video data.

[0037] Further, in the S4, the locomotive fire detection system test comprises:

[0038] When the type and position of the detection device are known and consistent with the actual arrangement on the locomotive, the smoke generating device is arranged at the most unfavorable position of the detection device in the test area to obtain the alarm reaction time, so as to test the effectiveness of the type and position of the detection device through the locomotive fire detection system test.

[0039] When the type of the detection device is unknown and the position of the detection device is consistent with the actual arrangement on the locomotive, the smoke generating device is arranged in the test area to obtain the alarm reaction time of different detection device types, so as to select the type of the detection device through the locomotive fire detection system test.

[0040] When the type of the detection device is known and the position of the detection device is unknown, the smoke generating device is arranged in the test area to obtain the alarm reaction time of different detection device positions, so as to test the effectiveness of the position of the detection device through the locomotive fire detection system test.

[0041] Beneficial effects: the present application provides a locomotive fire detection system test device and method, which solves the problems of the prior art, such as the test space not close to the actual size of the locomotive, the low test simulation degree, the low test reference value, and the high test cost. By building a test locomotive frame in the test frame according to a 1:1 ratio, the scene environment of different types of locomotives is simulated to carry out fire tests on the detection device. The test is convenient and efficient, and can test the fire alarm timeliness of all types of locomotives, so that the locomotive can be designed in the design stage to make the set fire detection device alarm in time when a fire occurs, and reserve enough escape time for personnel escape, thereby providing reliable and powerful experimental guarantee and basis for the design of the real locomotive fire detection system. BRIEF DESCRIPTION OF DRAWINGS

[0042] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creative labor.

[0043] Figure 1 It is a whole schematic diagram of the locomotive fire detection system test device of the present application.

[0044] Figure 2 This is a side view of the simulated vehicle body inside the test device in an embodiment of the present invention;

[0045] Figure 3 This is a partially enlarged side view of the experimental apparatus in an embodiment of the present invention;

[0046] Figure 4 This is a top view of the interior of the test apparatus in an embodiment of the present invention;

[0047] Figure 5 This is a functional equipment configuration diagram of the test apparatus in an embodiment of the present invention;

[0048] Figure 6 This is a schematic diagram of the top splicing panel structure in an embodiment of the present invention. Detailed Implementation

[0049] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0050] This embodiment provides a test device for a locomotive fire detection system, such as... Figures 1-4 As shown, it includes side wall splicing panels, end wall splicing panels, top panel splicing components, partition splicing panels, smoke generating devices, several detection devices, and an alarm system;

[0051] The side wall splicing panels are used to splice together according to the length of the locomotive's driver's cab and passenger car to form a side wall 1 that is equal to the sum of the lengths of the locomotive's driver's cab and passenger car;

[0052] The end wall splicing panels are spliced ​​according to the width of the locomotive's driver's cab and passenger car to form a first end wall 2 with the same width as the locomotive's driver's cab and a second end wall 3 with the same width as the locomotive's passenger car.

[0053] Specifically, the side wall splicing panels are spliced ​​along the length L of the test frame 9 to form two sets of side walls 1 according to the length of the locomotive's driver's cab and passenger car; the end wall splicing panels are spliced ​​along the width B of the test frame 9 to form the first end wall 2 and the second end wall 3 according to the width of the locomotive's driver's cab and passenger car.

[0054] The roof splicing components are used to splice together the locomotive's driver's cab and passenger compartment to form the roof 4;

[0055] The two groups of side walls 1, the first end wall 2, the second end wall 3 and the roof 4 jointly form a test area for testing the fire detection of the locomotive in a fire detection test;

[0056] Specifically, in the embodiment of the present application, since the end wall is spliced by the end wall splicing plate, the width of the spliced end wall can be flexibly changed at different positions along the length L direction of the test frame 9, so whether the width of the driver driving area and the passenger compartment area is equal, the test frame can be flexibly built.

[0057] The relative positions of the installation of the side wall and the end wall are set according to the real size of the locomotive to be tested, so that the space area of the simulated locomotive test can simulate the real scene when the locomotive to be tested catches fire.

[0058] The partition splicing plate is used to splice the partition wall 5 between the first end wall and the second end wall along the width B direction of the test frame 9;

[0059] The two groups of side walls 1, the first end wall 2, the partition wall 5 and the roof jointly form a driver driving area for simulating the driver room of the locomotive in a fire detection test; the two groups of side walls 1, the second end wall 3, the partition wall 5 and the roof 4 jointly form a passenger compartment area for simulating the passenger compartment of the locomotive in a fire detection test;

[0060] The simulation test area 7 is used to simulate the electric control system of the locomotive;

[0061] The smoke generating device is used to generate smoke in the simulation test area to simulate the scene of the fire of the electric control system of the locomotive;

[0062] The detection device is used for smoke detection in the test area in the fire detection test to obtain a smoke detection signal;

[0063] The alarm system is used to record the time when the smoke detection signal is received and to alarm.

[0064] Specifically, the test frame 9 of the embodiment is a frame set according to the maximum length, width and height of the current locomotive, so the locomotive fire detection system test device of the embodiment can build a test space that covers the size and relative position relationship of the current domestic high-speed rail vehicle and urban rail transit vehicle, which is a large space test device. It should be noted that the embodiment takes one compartment of the locomotive as an example.

[0065] Preferably, the test frame 9 is arranged outside the driver's driving area, passenger compartment area and simulation test area in accordance with the size and relative position relationship of the locomotive, so that the smoke generated during the test can be confined inside the test frame, and the environmental pollution can be reduced. Specifically, the test frame 9 of the present embodiment is a frame arranged in accordance with the maximum length, width and height of the current locomotive, so that the locomotive fire detection system test device of the present embodiment can build a test space covering the size and relative position relationship consistent with the current domestic high-speed rail vehicle and urban rail transit vehicle, which belongs to a large space test device. It should be noted that the present embodiment takes one car of the locomotive as an example.

[0066] The smoke exhaust system 8 is arranged on the top of the test frame 9, and is used to exhaust the smoke generated inside the test frame during the test after the fire detection test of the locomotive is completed. Specifically, the smoke exhaust system is arranged on the top of the test frame corresponding to the driver's driving area;

[0067] Specifically, the smoke exhaust system in the present embodiment includes a smoke collecting hood 81, a smoke exhaust pipe 82, a test smoke pipe 83, a smoke treatment system 84 and a smoke exhaust fan 85. The smoke collecting hood is fixedly arranged on the top of the driver's driving area, and is used to collect the smoke from the passenger compartment area and the smoke exhausted from the top of the driver's driving area. The smoke exhaust pipe is connected with the smoke collecting hood, and is used to exhaust the smoke collected by the smoke collecting hood. The smoke exhaust pipe is internally provided with a flow guide vane 86, so that the smoke can be smoothly exhausted. The smoke exhaust pipe is connected with the test smoke pipe, so as to analyze the smoke exhausted from the test frame 9. The test smoke pipe is a prior art in the field, and will not be described in detail here. The analysis result of the smoke can provide support for the technical personnel in the field when designing the detection device in the locomotive, so as to make the fireproof design in the locomotive more safe and reliable. The exhaust end of the test smoke pipe is connected with the smoke treatment system, so as to treat the smoke and reduce the impact on the environment to the greatest extent, thereby protecting the natural environment. The smoke treatment system is also a prior art in the field, and will not be described in detail here. The smoke treatment system is connected with the smoke exhaust fan, so as to completely exhaust the smoke.

[0068] Preferably, the floor splicing plate is used to splice the driver's driving area according to the height of the floor in the driver's cabin of the locomotive, so as to form a driver's driving area floor 6 simulating the floor of the driver's cabin. The simulation test area 7 is arranged below the driver's driving area floor 6.

[0069] Specifically, the top plate splicing component is used to adjust the height of the car area, and is adaptively adjusted according to the width between the two groups of side walls.

[0070] Specifically, as shown in Figure 6 The top plate splicing component comprises a top plate and a telescopic component; two ends of the top plate are connected with two groups of side walls respectively;

[0071] The top plate comprises a first top plate and a second top plate; the first top plate and the second top plate are slidingly connected in a direction perpendicular to the side wall, i.e. the width B direction of the test frame body;

[0072] The telescopic component comprises a first telescopic rod and a second telescopic rod;

[0073] The first telescopic rod is arranged at the bottom of the first top plate, and the telescopic direction of the first telescopic rod is perpendicular to the first top plate; the second telescopic rod is arranged at the bottom of the second top plate; and the telescopic direction of the second telescopic rod is perpendicular to the second top plate.

[0074] The first telescopic rod and the second telescopic rod are conventional telescopic rod structures in the field; the first top plate and the second top plate are arranged at the top of the telescopic component; the telescopic component is an aluminum alloy frame built by telescopic aluminum alloy rods; the first top plate and the second top plate are made of acrylic plates; the telescopic aluminum alloy rods and the top plates can divide the height of the car body of the locomotive to be tested in the test machine frame body. The car body size of different car bodies can be simulated 1:1 by the detachable top plate splicing component, the closed end wall and the side wall. Each group of top plates is spliced by multiple acrylic plates. The top plates can be replaced by acrylic plates with honeycomb holes according to test requirements, so as to test the air suction type fire detection system. Each group of side walls and end walls is composed of non-fire-retardant plywood, which can be freely combined and arranged according to test requirements.

[0075] Preferably, the side wall 1 is provided with an observation window 11;

[0076] Specifically, the observation window 11 is made of fire-resistant and high-temperature-resistant glass material, so as to be used as an observation window and better observe the test process.

[0077] Preferably, the side wall 1, the end wall 2, the first top plate and the second top plate in another embodiment of the present application are made of 304 stainless steel; the side wall 1, the end wall 2, the first top plate and the second top plate in the embodiment can be arranged in a splicing structure; the first top plate and the second top plate at the top of the test device are detachable and replaceable; and the inside of the entire test device is coated with fire-resistant and high-temperature-resistant material.

[0078] The size of the simulated vehicle body in the test device: 26m long*3m wide*2.4m high, the front end of the device is a simulated driver's cabin, the size of the driving area of the simulated driver's cabin is 4m long*3m wide, the top plate of the driving area is arc-shaped, the highest position is 2.25m, the inside floor of the driving area is provided with a 1.3m high simulated test area under the vehicle, which is used for arranging and implementing the vehicle under the power package equipment experiment area, and is provided with a strong and weak current wire slot. Among them, the arc-shaped top plate of the driving area makes it more close to the real vehicle in appearance, so that the detection result of the detection device of the present application is more real and reliable.

[0079] Specifically, the test frame body of the present embodiment is set according to the maximum length, width and height of the current locomotive, so that the locomotive fire detection system test device of the present embodiment is built to cover the full-size test space of the current high-speed rail vehicle and urban rail transit vehicle;

[0080] The side wall of the simulated test area of the embodiment of the present application is provided in a detachable structure to facilitate the transportation and placement of the test object. A smoke collecting hood is attached to the upper end of the driver's driving area, and a smoke exhaust pipe is provided on the top of the outside of the device for collecting and discharging smoke during the test. Among them, the smoke in the simulated vehicle body is circulated through the movable skylight window of the top moving steel plate of the test device, enters the smoke collecting chamber, and then is extracted, collected and tested, and emptied by the external smoke exhaust fan. The top of the test device is provided with moving steel plates, and every 5 moving steel plates are provided with a square movable skylight in the center of the two moving steel plates. The central top of the driver's cabin is also provided with a square electric skylight. These movable skylights are mainly used for smoke exhaust during the test.

[0081] Preferably, it further comprises a plurality of functional devices, which are arranged in the test area according to the actual arrangement in the locomotive; the functional devices are any one or more of seats, luggage racks, berths, toilets, passenger rooms. The inside of the test device is based on different functional areas in the vehicle compartment, and can be maximally restored to the environment in the vehicle compartment by means of the detachable luggage racks, seats and other tooling. The configurable simulated internal environment includes: passenger room area, driver's cabin area, luggage area, toilet area and berth area. As shown in Figure 5 .

[0082] The present application also discloses a test method for testing the locomotive fire detection system test device, comprising the following steps:

[0083] S1: installing two groups of side walls, first end walls, second end walls, top plate splicing components, partition walls and driver's driving area floors in the test frame body to form a test area for conducting fire detection test on the locomotive, including a driver's driving area, a passenger compartment area and a simulated test area;

[0084] S2: one or more of seats, luggage racks, berths, toilets, and passenger compartments are arranged in the carriage area and the driving area, respectively; meanwhile, it is checked whether the installation of functional equipment is fastened. Specifically, according to the actual arrangement in the vehicle to be tested, the steps are performed in the carriage area and the driving area. For example, for a city subway, only seats, a driver's room, and luggage racks are arranged; if the vehicle to be tested is a locomotive with berths, there are hard seat seats, a driver's room, berths, toilets, and luggage racks.

[0085] S3: a smoke generating device and a detection device are arranged in the test area, respectively, and a thermal lifting device is configured for the smoke generating device; detection auxiliary equipment is installed and tested to ensure that the fire detection test can work normally; the detection auxiliary equipment includes a fire detection alarm system, a video camera device, and a timer; it also includes recording the installation position and quantity of the detection device through the video camera device and obtaining test video data;

[0086] Specifically, it is checked whether the detection device can work normally; multiple detection devices can be installed in the same test area according to the demand and simultaneously tested; or they can be installed in different areas and tested independently. The detection device in this embodiment includes commonly used smoke type detectors and smoke composite type detectors (such as smoke temperature composite type); the smoke generating device is a commonly used smoke generator, and the fire detection alarm system is a commonly used alarm device in the field.

[0087] The thermal lifting device is a methanol oil pan; it is checked whether the methanol fuel and the smoke agent are sufficient in capacity and the smoke generating device is tested and calibrated. Specifically, the smoke generating device is connected to the smoke generator chimney through a hose, and a thermal lifting device is configured at the lower part of the smoke generator chimney to lift the smoke of the smoke generating device to simulate the scene of the occurrence of a locomotive fire. The smoke generator chimney is used to lift the smoke. The smoke generating device uses a commonly used smoke generator in the field.

[0088] S4: the smoke generating device is started, the thermal lifting device is started, and the locomotive fire detection system test is started to obtain alarm time data when the alarm system receives the detection signal of the detection device;

[0089] Preferably, the locomotive fire detection system test includes:

[0090] When the type and position of the detection device are both known and consistent with the actual arrangement on the locomotive, a smoke generating device is arranged at the most unfavorable position of the distance detection device in the test area (i.e. under the shelter outside the circle covered by the detector) as a smoke emitting point to obtain the alarm reaction time, so as to test the effectiveness of the type and position of the detection device through the locomotive fire detection system test; wherein the smoke generating device can adjust the smoke production at any time according to the simulated fire change process. The test collects the detection time to test the timeliness and practicality of the selected detector. Specifically, the time interval between the alarm reaction time and the start time of the smoke generating device is determined through the alarm reaction time, whether it can make passengers safely evacuate when a fire occurs. If it can meet the requirements, both the timeliness and the practicality are good, and the arrangement of the detection device on the locomotive can meet the use requirements.

[0091] When the type of the detection device is unknown and the position of the detection device is consistent with the actual arrangement on the locomotive, a smoke generating device is arranged in the test area (specifically, the smoke emitting point is arranged at the point where the fire is likely to occur in the carriage (such as on the luggage rack, in the mechanical room, etc.)), the alarm reaction time of different detection device types is obtained, and the detection time is compared to select the type of the detection device through the locomotive fire detection system test. Specifically, several different types of detection devices are used for testing, the corresponding alarm reaction time is obtained, and the detection device with the shortest alarm reaction time is selected as the selected model.

[0092] When the type of the detection device is known and the position of the detection device is unknown, a smoke generating device is arranged in the test area (specifically, the smoke emitting point is arranged at the point where the fire is likely to occur in the carriage (such as on the luggage rack, in the mechanical room, etc.)), the alarm reaction time of different detection device positions is obtained, and the detection time is compared to test the effectiveness of the position of the detection device through the locomotive fire detection system test. Specifically, the time interval between the alarm reaction time and the start time of the smoke generating device is determined through the alarm reaction time of different arrangement schemes, whether it can make passengers safely evacuate when a fire occurs. If a certain arrangement scheme can meet the requirements, both the timeliness and the practicality are good, and this arrangement scheme can be used for the installation and arrangement of the detection device on the locomotive.

[0093] S5: When the alarm system receives the smoke detection signal, the alarm signal sending time data is obtained;

[0094] S6: According to the time data when the smoke generating device is started and the alarm signal sending time data, the alarm reaction time is obtained, i.e. the time interval between the time data when the smoke generating device is started and the alarm signal sending time data, to guide the arrangement of the smoke generating device and the detection device on the locomotive in the actual construction site.

[0095] Specifically, when the fire detection alarm system sends an alarm signal, the time when the fire detection alarm system sends the alarm signal is recorded to obtain alarm signal sending time data; and the situation at the installation position is recorded by the video camera to obtain test video data, so as to completely record the detection device position and the test process video.

[0096] S7: Start the smoke exhaust system to exhaust smoke; the locomotive fire detection system test is completed.

[0097] Specifically, the smoke exhaust system in the test area is turned on, and after all the visible smoke is dissipated, ventilation is required for 30 minutes, and then the test site is cleaned up.

[0098] Specifically, before the test starts, a test record table is prepared, it is checked whether the test tool provided by the vehicle insurance is fastened, it is checked whether the detector installation can normally work, multiple detectors can be installed in the same test area according to the needs, and the test can be carried out at the same time; or they can be installed in different areas and independently tested. A handheld fire extinguisher or fire blanket is prepared to ensure safety during the test. The smoke generator is connected to the power supply, and it is checked whether the smoke generator is working normally; the fire detection alarm system is connected to the power supply, and it is checked whether the fire detection alarm system is working normally. It is checked whether the timer is working normally; whether the video camera is working normally; it is checked whether the methanol fuel and the smoke agent have sufficient capacity. The smoke generator is tested and calibrated.

[0099] After the test is completed, test data is recorded to make a test record table to record the data generated during the test and the test process, and a test report is prepared; the process of the test is summarized and summarized, and the test data recorded is used to guide the steps of the detection device in the later period. The test record data includes detection device data, smoke generation device position data, smoke generation time data, alarm signal sending time data, test video data; and also includes test locomotive environment data, including test time, test location, temperature and humidity on the test day, test personnel name, test vehicle type, etc.

[0100] Specifically, before S5, the fire extinguishing equipment is prepared to ensure safety during the test; the fire extinguishing equipment includes any one of a handheld fire extinguisher and a fire blanket.

[0101] The preparation method of the thermal lifting device (methanol oil pan) in this embodiment is: pour 70 ml of pure water into the tray; add 80 ml of n-heptane; add 20 ml of methanol, mix well and reserve. The thermal lifting device is used to uniformly raise the smoke generated by the smoke generator. The thermal lifting device itself does not produce smoke, and is a device for raising the smoke generated by the smoke generator.

[0102] After the test of the present application starts, the smoke exhaust system is started to carry out the test, wherein the smoke generated by the test is sucked to the smoke hood by the exhaust fan of the smoke exhaust system and the pressure formed by the test device, and then is purified and emptied through the smoke exhaust pipe, the guide vane, the test smoke pipe and the smoke treatment system. Specifically, when the exhaust fan starts to work, an outward suction force is generated to form a negative pressure, thereby sucking the smoke out. The analysis equipment, i.e. the calorimetric system, is installed at the end of the exhaust fan, which can test the composition and proportion of the smoke, etc. Part of the analysis equipment is not the technical point of the present patent, and therefore will not be described in detail here.

[0103] The present application provides a locomotive fire detection system test device, which solves the problems of the prior art, such as the test space not close to the vehicle compartment environment, low test simulation degree, low test reference value, high test cost, etc. By building a test locomotive frame in the test frame according to a 1:1 ratio, the scene environment of different types of locomotives is simulated to carry out fire tests for the detection device. The test is convenient and efficient, and can test the timeliness of fire alarm for all types of vehicles, thereby providing reliable and strong experimental guarantee and basis for the design of the locomotive fire detection system. The timeliness of various fire detector arrangement schemes is compared in the test, which provides reliable and strong experimental guarantee and basis for the design of the locomotive fire detection system.

[0104] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A locomotive fire detection system testing apparatus, comprising: The test device comprises two groups of side wall splicing plates, end wall splicing plates, roof splicing components, partition splicing plates, smoke generating devices, a plurality of detection devices, and an alarm system. The side wall splicing plates are used to splice according to the length of the cab and passenger compartment of the locomotive, to form a side wall (1) equal to the sum of the length of the cab and passenger compartment of the locomotive. The end wall splicing plates are used to splice according to the width of the cab and passenger compartment of the locomotive, to form a first end wall (2) equal to the width of the cab of the locomotive, and a second end wall (3) equal to the width of the passenger compartment of the locomotive. The roof splicing components are used to splice according to the height of the cab and passenger compartment of the locomotive, to form a roof (4). The two groups of side walls (1), first end walls (2), second end walls (3), and roofs (4) together form a test area for testing the locomotive in a fire detection test. The partition splicing plates are used to splice between the first end wall and the second end wall to form a partition wall (5), so that the partition wall (5) together with the two groups of side walls (1), first end walls (2), and roofs forms a driver driving area (50) for simulating the cab of the locomotive in the fire detection test; and the partition wall (5) together with the two groups of side walls (1), second end walls (3), and roofs (4) forms a passenger compartment area (60) for simulating the passenger compartment of the locomotive in the fire detection test. The simulation test area (7) is used to simulate the electric control system of the locomotive. The smoke generating devices are used to generate smoke in the simulation test area to simulate a fire scenario of the locomotive. The detection devices are used to detect smoke in the test area in the fire detection test to obtain smoke detection signals. The alarm system is used to obtain alarm signal sending time data, record the time when the smoke detection signals are received, and alarm. When the type and position of the detection devices are known and consistent with the actual arrangement on the locomotive, the smoke generating devices are arranged at the most unfavorable positions of the detection devices in the test area to obtain alarm reaction times, so as to test the effectiveness of the type and position of the detection devices through the locomotive fire detection system test. When the type of the detection devices is unknown and the position of the detection devices is consistent with the actual arrangement on the locomotive, the smoke generating devices are arranged in the test area to obtain alarm reaction times of different types of detection devices, so as to select the type of the detection devices through the locomotive fire detection system test. When the type of the detection devices is known and the position of the detection devices is unknown, the smoke generating devices are arranged in the test area to obtain alarm reaction times of different positions of the detection devices, so as to test the effectiveness of the position of the detection devices through the locomotive fire detection system test.

2. A locomotive fire detection system testing device as defined in claim 1, wherein The test device further comprises a test frame (9) and a smoke exhaust system. The test frame (9) is arranged outside the driver driving area, passenger compartment area, and simulation test area consistent with the size and relative position relationship of the locomotive. The smoke exhaust system (8) is arranged on the top of the test frame (9) and is used to exhaust the smoke generated in the test frame during the test.

3. A locomotive fire detection system testing device as defined in claim 1, wherein, The floor splicing plate is used to splice the driver's cab floor in the driver's cab according to the height of the floor in the driver's cab, so as to form a driver's cab floor (6) in the driver's cab. The simulation test area (7) is arranged below the driver's cab floor (6). The functional equipment is arranged in the test area according to the actual arrangement in the locomotive, and the functional equipment is any one or more of a seat, a luggage rack, a bunk, a toilet and a passenger room.

4. The locomotive fire detection system testing apparatus of claim 1, wherein, The side wall (1) is provided with an observation window (11).

5. The locomotive fire detection system testing apparatus of claim 1, wherein, The top plate splicing component includes a top plate and an extension component.

6. A locomotive fire detection system testing device as defined in claim 1, wherein, The two ends of the top plate are connected with two groups of side walls, respectively. The top plate includes a first top plate (41) and a second top plate (42), and the first top plate and the second top plate are slidingly connected in a direction perpendicular to the side wall. The extension component includes a first extension rod (43) and a second extension rod (44). The first extension rod (43) is arranged at the bottom of the first top plate (41), and the extension direction of the first extension rod is perpendicular to the first top plate; the second extension rod (44) is arranged at the bottom of the second top plate (42), and the extension direction of the second extension rod is perpendicular to the second top plate. The method includes the following steps:

7. A test method for a test device for a locomotive fire detection system according to any one of claims 1 to 6, characterized in that, S1: installing two groups of side walls, first end walls, second end walls, top plate splicing components, partition walls and driver's cab floor in the test frame to form a test area for the fire detection test of the locomotive, including a driver's cab area, a passenger compartment area and a simulation test area; S2: arranging one or more of a seat, a luggage rack, a bunk, a toilet and a passenger room in the compartment area and the driver's area, respectively; S3: arranging a smoke generating device and a detection device in the test area, and configuring a thermal lifting device for the smoke generating device; S4: igniting the smoke generating device and starting the thermal lifting device, starting the locomotive fire detection system test to obtain alarm time data when the alarm system receives the detection signal of the detection device; S5: obtaining alarm signal sending time data when the alarm system receives the smoke detection signal; S6: obtaining alarm reaction time according to the time data when the smoke generating device is started and the alarm signal sending time data, that is, the time interval between the time data when the smoke generating device is started and the alarm signal sending time data, to guide the arrangement of the smoke generating device and the detection device on the locomotive in the actual construction site; S7: starting the smoke exhaust system to exhaust the smoke; the locomotive fire detection system test is completed. The S3 further includes recording the installation position and number of the detection device by a video camera to obtain test video data.

8. A test method for a test apparatus for a locomotive fire detection system according to claim 7, characterized in that, In the S4, the locomotive fire detection system test includes:

9. The method of claim 7, wherein the method further comprises: determining the presence of a fire in the cab of the locomotive based on the sensed temperature. ​ ​ When the type and position of the detection device are both known and consistent with the actual arrangement on the locomotive, the smoke generating device is arranged at the most unfavorable position of the distance detection device in the test area, the alarm reaction time is obtained, and the effectiveness of the type and position of the detection device is tested through the locomotive fire detection system test; When the type of the detection device is unknown and the position of the detection device is consistent with the actual arrangement on the locomotive, the smoke generating device is arranged in the test area, the alarm reaction time of different detection device types is obtained, and the selection of the detection device is conducted through the locomotive fire detection system test; When the type of the detection device is known and the position of the detection device is unknown, the smoke generating device is arranged in the test area, the alarm reaction time of different detection device positions is obtained, and the effectiveness of the position of the detection device is tested through the locomotive fire detection system test.

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