CN209027810U - Air respiratorresuscitator fire-resistance flame phagocytosis test system - Google Patents

Abstract

The utility model discloses a kind of air respiratorresuscitator fire-resistance flame phagocytosis test system, the equipment of the system sets up separately between gas source, in laboratory and control room；Set up separately with the control room in the two sides of the laboratory between the gas source.The utility model air respiratorresuscitator fire-resistance flame phagocytosis test system control position and Electric Appliance Cabinet are arranged in control room.Will likely cause damages maximum fuel cartridge and burning be arranged far from compressed air cylinder operator control room one end, be conducive to the safety for ensureing testing crew.The combustion test region for having open fire is isolated with fuel gas source using wall, advantageously reduces the occurrence probability of accident.

Description

Air respiratorresuscitator fire-resistance flame phagocytosis test system

Technical field

The utility model relates to a kind of air respiratorresuscitator fire-resistance flame phagocytosis test systems.

Background technique

Since China is more and more extensive to the practical application of air respiratorresuscitator in recent years, especially in fire-fighting, army, emergency The application in the fields such as rescue, public safety, aerospace, safety in production, the demand to its performance boost are also higher and higher.Although The technical staff of the units such as numerous air respiratorresuscitator research institutions, China, inspection body, manufacturing enterprise is in revision air respiratorresuscitator Technical standard improves equipment performance quality, improves detection means etc. and done a large amount of work, but due to American-European technical standard In the high-end detection device in part do not applied in the country, China, the main reason is that cannot be from external directly purchase introduction and state The ability for not manufacturing these detection devices inside, causing can not be by certain importance due to lacking detection device and detection means Energy index is incorporated into the air respiratorresuscitator technical standard in China.

" fire-resistance flame swallows performance " is exactly one of air respiratorresuscitator important performance indexes described above, and more important One, due to domestic always without solving the problems, such as " flame phagocytosis test device ", so that fire can not be carried out to air respiratorresuscitator The verifying of flame phagocytosis test, and then can not determine air respiratorresuscitator fire-resistance flame phagocytosis performance technical indicator and corresponding test method.

Based on considerations above, my company is referring to Overseas Correlative Standards independent development " air respiratorresuscitator flame phagocytosis test Device ", can flame resistant to air respiratorresuscitator be phagocytic can be carried out verification experimental verification.

Utility model content

The purpose of the utility model is to provide a kind of unique air respiratorresuscitator fire-resistance flame phagocytosis test systems of structure novel； The specific technical proposal is:

A kind of air respiratorresuscitator fire-resistance flame phagocytosis test system, the equipment of the system set up separately between gas source, test In room and control room；Set up separately with the control room in the two sides of the laboratory between the gas source；Fuel gas source and combustion-supporting use Air-source is arranged between the gas source, and console, Electric Appliance Cabinet and control are arranged in control room with gas source, and other equipment are set It sets in laboratory.

Further, between the gas source and Fuel Gas Leak Alarm is provided in the laboratory；The combustion gas is let out Leakage alarm is connect with the equipment of the console.

Further, the room apex angle of the laboratory is provided with the camera of monitoring test area；The camera will try The image transmitting in region is tested to the console.

Further, the camera shooting for monitoring the burning row combustion state is provided with beside the exclusive side of burning in flame phagocytosis region Head；The camera is by the image transmitting of test area to the console.

Further, the air exhausting device that room air is discharged is installed on the wall of the laboratory.

Further, flame phagocytosis region is positioned close to side between the gas source.

Further, including preheating cabinet, half body mould, instruction carriage and burner；The half body mould is fixed on the instruction carriage Top surface；Track is provided between instruction carriage and the preheating cabinet；The top surface of instruction carriage is provided with sealing plate；Preheating cabinet includes adding Hot chamber, frame and temperature control unit；The heating chamber antetheca offers the door of instruction carriage entrance, and the bottom wall of heating chamber offers The parking slot being adapted to the sealing plate of the instruction carriage；The rear wall and the rear wall two sides opposite with the door it is left and right Heater is provided on side wall；Rear wall top two sides are provided with the fan towards front side wall；Front side wall top two sides are equal It is provided with the fan towards rear wall.

Further, the central axis of the fan on the front side wall is directed toward the bottom end of the rear wall；On the rear wall The central axis of fan is directed toward at the 2/3 of front side wall height.

Further, the rear wall, the heater in left and right sidewall are 3；It is uniformly distributed along Sidewall Height direction.

Further, the temperature probe of the temperature control unit is arranged in the left and right sidewall, and setting height is in bottom wall Between 50 to 80 millimeters of top.

Further, the door is driven by translation mechanism；The translation mechanism includes rotating arm, auxiliary rotating arm, rotary shaft And driving motor；The rotary shaft passes through the bottom wall of the heating chamber, and the support arm of the door side of front side wall is fixed on by bearing On；The driving motor drives the rotary shaft rotation；One end of the rotating arm is fixed on the rotary shaft, and the other end is fixed on The left part of door；One end of the auxiliary rotating arm is fixed on the top of preheating cabinet, and the other end is fixed on the right part of door；Rotation Arm, door assist the roof of rotating arm and preheating cabinet to form four-bar mechanism；Drive door parallel by the rotation of rotating arm or approximate It moves in parallel；Fully open or close door.

Further, the outer wall of the preheating cabinet is provided with insulating layer.

Further, it is embedded in the antetheca of the preheating cabinet when door is closed；It is provided between door and the antetheca heat-resisting Sealing strip.

Further, on the end face for the surrounding that the door is arranged in the temperature resistant encapsulation item.

Further, the completely open position of the door is correspondingly arranged on whether detection door switchs inductive pick-up in place.

Further, the gap between the parking slot and the sealing plate of the instruction carriage is controlled in 1~2mm.

Further, the burner includes fuel gas source, air-source, mixer and two groups of burning rows；The fuel gas source is defeated Combustion gas out inputs the burning row after mixing with the air that the air-source exports through the mixer；The burning row fixes On burning row's bracket；Burning row bracket described in two groups is separately fixed at left and right sides of the top end face of burning row's frame；Every group of combustion Row is burnt to be made of several burning rows；The inside of burning row is placed with several spray orifices；Mixer includes successively being threadedly coupled Gas nozzle, mixing unit and Venturi tube；The mixing unit is provided with several compressed air inlets.

Further, the adjacent four spray orifice group diamondwises；Upper and lower pitch-row is 5mm；Left and right pitch-row is 9.5mm.

Further, the aperture of the spray orifice is 1.9 to 2.2mm.

Further, the fuel gas source includes combustion gas storage cylinder, pressure regulator and fire arrester.

Further, the pressure regulator is two-stage.

Further, the air-source is compressed air reservoir.

Further, igniter is provided on the burning row bracket；The point of ignition of the igniter is located at nozzle array Midpoint.

Further, temperature probe is provided on the burning row bracket；The extending direction of the temperature probe and burning are arranged Extending direction it is parallel, the central axis with burning row is in same level, apart from spray orifice 200-202mm.

The utility model air respiratorresuscitator fire-resistance flame phagocytosis test system control position and Electric Appliance Cabinet are arranged in control room.It will The fuel cartridge and burning that may cause the largest loss are arranged far from one end of the control room of operator with compressed air cylinder, have Conducive to the safety for ensureing testing crew.The combustion test region for having open fire is isolated with fuel gas source using wall, is advantageously reduced The occurrence probability of accident.

Detailed description of the invention

Fig. 1 is the utility model air respiratorresuscitator fire-resistance flame phagocytosis test system structure diagram；

Fig. 2 is preheating cabinet structural schematic diagram；

Fig. 3 is preheating cabinet structural schematic diagram；

Fig. 4 is preheating cabinet structural schematic diagram；

Fig. 5 is preheating cabinet structural schematic diagram；

Fig. 6 is preheating cabinet structural schematic diagram；

Fig. 7 is preheating cabinet structural schematic diagram；

Fig. 8 is preheating cabinet structural schematic diagram；

Fig. 9 is combustion system structural schematic diagram；

Figure 10 is combustion system structural schematic diagram；

Figure 11 is mixer structure schematic diagram；

Figure 12 is spray orifice arrangement schematic diagram partial enlarged view；

Figure 13 is mixer structure schematic diagram；

Figure 14 is half body mode structure schematic diagram；

Figure 15 is half body mode structure schematic diagram；

Figure 16 is half body mode structure schematic diagram；

Figure 17 is half body mode structure schematic diagram；

Figure 18 is instruction carriage structural schematic diagram；

Figure 19 is instruction carriage structural schematic diagram；

Figure 20 is instruction carriage structural schematic diagram；

Figure 21 is instruction carriage structural schematic diagram；

Figure 22 is fuel gas pipeline system schematic.

In figure: 1-1, frame；1-1.1, parking slot；1-2, panel；1-3, electric controlled door；1-3.1, rotary shaft；It is 1-3.2, auxiliary Help rotating arm；1-3.3, rotating arm；1-3.4, driving cylinder；1-4, inductive pick-up；1-5, fan；1-6, heater；1-7, Insulating layer；1-8, temperature probe；1-10, gap；2-1, bleed pressure table；2-2, I stage pressure table；2-3, II stage pressure table； 2-4, solenoid valve；2-5, fire arrester；2-6, burning row's frame；2-7, burning row；2-8, igniter；2-9, pneumatic manifold； 2-10, I grades of pressure regulators；2-11, II grades of pressure regulators；2-12, mixer；2-12.1, gas nozzle；2-12.2, mixing unit；2- 12.3, Venturi tube；2-12.4, mixing chamber；2-12.5, auxiliary mixing chamber；2-12.6, compressed air inlet；2-13, thermometric Probe；2-14, air-in；2-15, combustion gas input port；2-16, spray orifice；3-1, head mould；3-2, trunk mould；3-3, minute-pressure Pressure transmitter；3-4, upper technique mouth；3-5, lower technique mouth；3-6, respiratory resistance detection mouth；3-7, simulated respiration outlet；3-8, Respiratory resistance detects gas-guide tube；3-9, simulated respiration gas-guide tube；3-10, minute-pressure pressure transmitter cable；3-11, cable protection Pipe；3-12, head mould holder；3-13, trunk mould holder；4-1, test frame；4-2, guide post；4-3, respiration drive cylinder； 4-4, lifting auxiliary cylinders；4-5, breathing cylinder；4-6, lifting driving cylinder；4-7, lifter plate；4-8, fixed plate；4-9, lifting commutation Valve；4-10, driven wheel group；4-11, active wheels；4-12, guide rail；4-13, stroke adjustment bolt；4-14, auxiliary cylinders gas are defeated Outgoing interface；4-15, buffer layer；4-16, auxiliary cylinders gas input interface；4-17, respiratory gas source outlet；4-18, air-breathing control gas Pipe；4-19, control tracheae of exhaling；4-20, piston；4-21, through-hole.

Specific embodiment

The utility model is made a more thorough explanation below with embodiment.The utility model can be presented as it is a variety of not Same form, should not be construed as limited to the exemplary embodiments described herein.

The spatially relative terms such as "upper", "lower" " left side " " right side " can be used herein for ease of explanation, for saying Relationship of the elements or features relative to another elements or features shown in bright figure.It should be understood that in addition in figure Except the orientation shown, spatial terminology is intended to include the different direction of device in use or operation.For example, if in figure Device is squeezed, and is stated as being located at other elements or the element of feature "lower" will be located into other elements or feature "upper".Cause This, exemplary term "lower" may include both upper and lower orientation.Device, which can be positioned in other ways, (to be rotated by 90 ° or is located at Other orientation), it can be interpreted accordingly used herein of the opposite explanation in space.

As shown in Figure 1, the equipment of the air respiratorresuscitator fire-resistance flame phagocytosis test system in the present embodiment successively sets up separately three In a room；Wherein store one end that system is set between fuel cartridge and the gas source of burning compressed air cylinder；Laboratory It is arranged in centre；The other end for the system for thering is the control room of personnel to be arranged far between gas source.Preferably press the length in room Direction arrangement；Have so that farther the distance between the control room and gas source of personnel.Console, Electric Appliance Cabinet, control pressure Contracting air bottle or air pump are arranged in control room.It will likely cause damages maximum fuel cartridge and burning is arranged with compressed air cylinder In one end of the control room far from operator, be conducive to the safety for ensureing testing crew.The burning that will have open fire using wall Test area is isolated with fuel gas source, advantageously reduces the occurrence probability of accident.Between gas source and multiple combustions are installed in laboratory Gas alarm device, to find gas leakage in time.Tapping equipment is mounted in laboratory.When gas leakage occurs, in time will Gas emission reduces the concentration of test indoor fuel gas, avoids that accident occurs.

Flame can be swallowed to region and be positioned close to side between gas source；Reduce the length of burning line to the greatest extent；Subtract Few security risk.

Burning compressed air gas source is separated with control compressed air gas source, can provide system to avoid influencing each other Reliability.

Beside exclusive side of burning, it is not limited to front and back；The camera of monitoring burning row's flare combustion state is set. It was found that burning row is burnt not in time, flame or flame are abnormal, in time by total gas lockout valve, stop gas supply；It avoids sending out It makes trouble former.Camera is not arranged in as far as possible above or below burning row；Avoid reducing the service life of camera.

One or two is selected in four apex angles of laboratory, the camera of setting monitoring test area；It notes abnormalities existing As taking safeguard measure in time.

Setting camera is monitored burner region and entire laboratory, is conducive to testing crew and sends out in time Now accident and accident potential in test；Ensure test safety.

Preheating cabinet, half body mould, instruction carriage and burner are provided in laboratory；Half body mould is fixed on the top of instruction carriage Face；Track is provided between instruction carriage and preheating cabinet；Instruction carriage can enter in preheating cabinet along track.The top surface of instruction carriage is arranged There is sealing plate；Preheating cabinet includes heating chamber, frame and temperature control unit；The heating chamber antetheca offers instruction carriage entrance Door, the bottom wall of heating chamber offer the parking slot being adapted to the sealing plate of instruction carriage.After instruction carriage enters preheating cabinet, sealing plate will The slot that stops is closed.

As shown in Fig. 2-Fig. 8, the primary structure of preheating cabinet is the heating chamber that frame 1-1 and panel 1-2 are surrounded；Before heating chamber Wall offers the electric controlled door 1-3 of instruction carriage entrance.The bottom wall of heating chamber offers the lifter plate 4-7 with instruction carriage as sealing plate The parking slot 1-1.1 of adaptation.Open electrically operated gate A；Instruction carriage enters in preheating cabinet；Sealing plate insertion parking slot 1- on instruction carriage Gap very little in 1.1, between sealing plate and parking slot 1-1.1；The amount into the cold air in preheating cabinet can be reduced；It reduces Interference of the cold air to Temperature Distribution in preheating cabinet.

Front side door where electric controlled door 1-3 is not provided with heater 1-6.The rear wall and rear side opposite with electric controlled door 1-3 Heater 1-6 is provided in the left and right side walls of wall two sides.Rear wall top two sides are provided with the fan 1- towards front side wall 5；Front side wall top two sides are provided with the fan 1-5 towards rear wall.Fan 1-5 should be as close to top two sides.Pass through Fan 1-5 promotes the higher hot-air of head temperature to flow downward；Improve preheating cabinet internal temperature more evenly.

Heater 1-6 on rear wall, left and right sidewall is 3；It is uniformly distributed along Sidewall Height direction.It will be on each side wall Heater 1-6 is set as multi-disc, can according to need and changes the distance between heater 1-6；The control of combination temperature control unit System, changes the distribution situation in temperature field in heating chamber in which can be convenient.

The heating cavity length of preheating cabinet is 1.28 meters, and it is highly 1.15 meters that width, which is 1.18 meters,.The test of people's mould will be loaded It after vehicle push-in, is tested repeatedly, the final central axis for determining the fan on front side wall is directed toward the bottom end of the rear wall；After described When the central axis of fan on side wall is directed toward at the 2/3 of front side wall height；Thermo parameters method in heating chamber is most uniform；It can protect Card everywhere temperature at 90 ± 5 °C.

The temperature probe 1-8 of temperature control unit is two groups, is separately positioned in left and right sidewall, and setting height is on bottom wall Between 50 to 80 millimeters of side；Too high measured temperature is not minimum temperature in cabinet；It is too low to be then easy to be interfered.

Electric controlled door 1-3 is driven by translation mechanism.Personnel's participation can be reduced using electric controlled door, detection not only can be improved Efficiency；Moreover, being conducive to the safety of support personnel.Translation mechanism includes rotating arm 1-3.3, auxiliary rotating arm 1-3.2, rotary shaft 1-3.1 and driving cylinder 1-3.4.Wherein, rotary shaft 1-3.1 passes through the bottom wall of the heating chamber, is fixed on front side by bearing On the support arm of the door side of wall.Driving cylinder is mounted on the lower end of rotary shaft 1-3.1, and the rotary shaft 1-3.1 is driven to rotate. One end of rotating arm 1-3.3 is fixed on rotary shaft 1-3.1, and the other end is fixed on the left part of door.The auxiliary rotating arm 1- 3.2 one end is fixed on the top of preheating cabinet, and the other end is fixed on the right part of door.Rotating arm 1-3.3, door, auxiliary rotating arm The roof of 1-3.2 and preheating cabinet forms four-bar mechanism；Door is fully opened or closed by the rotation realization of rotating arm.Rotating arm 1-3.3 and auxiliary rotating arm 1-3.2 are isometric, are arranged in parallel, four endpoints are linked to be parallelogram；Door can be driven to move in parallel It is dynamic；Also it is mobile to make less parallel close to 1 for the length ratio of adjustable rotating arm 1-3.3 and auxiliary rotating arm 1-3.2.Wherein, it revolves Pivoted arm 1-3.3 is set as curved boom；It is recessed inwardly, rotation angle can increase, and fully open door.Rotary shaft 1-3.1 is arranged In box house, it is possible to reduce packaging volume when shipment, convenient transportation.

Insulating layer 1-7 is provided in four walls of preheating cabinet.Before respirator entrance, need the temperature in heating chamber first Degree is adjusted to 90 degree；Open door；After instruction carriage enters preheating cabinet, door is closed, continues to heat, need in 1 minute, the temperature in preheating cabinet Degree restores to 90 degree；Insulating layer is conducive to shorten the time of recovery temperature.

When door is closed, it is completely embedded into the antetheca of preheating cabinet；Temperature resistant encapsulation item is provided between door and antetheca.It is such to set Meter is conducive to the time for shortening recovery temperature.

Temperature resistant encapsulation item should be arranged on the end face of the surrounding of door；Rather than it is arranged on the inside of the inside casing on antetheca.This Sample can be to avoid the dimensional accuracy for influencing doorframe；The closed performance between parking slot 1-1.1 and sealing plate can be improved.

In order to avoid starting instruction carriage in the case where door does not fully open；Instruction carriage is caused to hit with door knob, damage is set It is standby.It is correspondingly arranged on whether detection door switchs inductive pick-up 4 in place in the completely open position of door.Inductive pick-up 4 is It two, is mutually backups, improves the reliability of system.Inductive pick-up 4 can be using infrared, Hall or microswitch etc..

Gap 1-10 between the parking slot 1-1.1 and sealing plate 1-9 of instruction carriage is controlled in 1~2mm.In less raising In the case where part processing cost, closing is realized as far as possible, reduces the inflow of cold wind.

As shown in Figure 9, Figure 10, the burner in the present embodiment mainly includes burning row frame 2-6, burning row's bracket and combustion Burn row 2-7.Two rows burning row's bracket is separately mounted to the left and right sides of the top end face of burning row frame 2-6.2-7 is arranged in two groups of burnings It is separately fixed on burning row's bracket on both sides.

As shown in figure 11, totally two groups of 2-7 of burning row, every group 4, every burning row's length is 1140mm, between the upper and lower away from 190mm, burning row's material is 1Cr16Ni35 Austenitic heat resisting steel.Two burnings, which are arranged, shares a mixer 2-12.Certainly, Or each burning deploying is for a mixer；Or 4 burnings arrange and share a mixer.Every burning row center The pipe of 950mm length is uniformly distributed the spray orifice of 209 diameter 2mm towards inside.

The compressed air input port 14 of mixer 2-12 can be multiple, the more conducively mixing of combustion gas and air；Be conducive to Reach better combustion state.Combustion gas enters mixer 2-12 from combustion gas input port 15, to the greatest extent may be used in mixer 2-12 with air Enter burning row 2-7 after capable of being sufficiently mixed.

Fuel gas supply system includes: the combustion gas storage cylinder (not shown) for passing sequentially through piping connection, bleed pressure table 2-1, I grades of pressure regulator 2-10, I stage pressure tables 2-2, II grades of pressure regulator 2-11, II stage pressure table 2-3, solenoid valve 2-4, fire arrester 2-5.Wherein I stage pressure table 2-2 is used to detect the output pressure of I grades of pressure regulator 2-10；II stage pressure table 2-3 is for detecting II grades The output pressure of pressure regulator 2-11.Using the combustion gas storage cylinder that decompression can select capacity bigger twice；Meet big flow The gas consumption of (55000 L/min).The opening and shutdown of combustion gas are controlled using solenoid valve 4；Opening and shutdown gas can be improved The speed of valve, the precision for avoiding impression from testing.

The extending direction of temperature probe 2-13 is parallel with the extending direction of burning row 7；The spray orifice 200- of distance burning row 2-7 202mm；Degree of correlation of variation of variation and burning quality of temperature is good at this；It measures more acurrate.

The arrangement of spray orifice 2-16 is as shown in figure 12, and four adjacent spray orifices assume diamond in shape distribution, and upper and lower pitch-row is 5mm；Left and right Pitch-row is 9.5mm.2 high energy pulse igniters are arranged as igniter 2-8 for combustion gas of igniting in every group of burning row 2-7, ignite Point is located at top-down second and the 4th burning row center；All spray orifices can all be lighted in 1 second.The hole of spray orifice Diameter should be controlled 1.9 between 2.2mm.For convenience of processing, 2mm can be selected.

As shown in figure 13, the mixer in the present embodiment, including gas nozzle 2-12.1, mixing unit 2-12.2 and venturi Pipe 2-12.3；One end of mixing unit 2-12.2 is threadedly secured on gas nozzle 2-12.1；The other end is threadably secured On Venturi tube 2-12.3.After connection, mixing chamber 2-12.4 is formed in mixing unit 2-12.2.The combustion of gas nozzle 2-12.1 Gas outlet is protruded into mixing chamber 2-12.4；The of length no more than mixing chamber 2-12.4 protruded into is along the 2/3 of central axis direction length.It is mixed Close chamber 2-12.4 bottom be it is cylindric, top is frustum.The bottom of frustum is big, and top is small；Cylinder height should be arranged in height 3 to 4 times between.The diameter of the bottom of mixing chamber 2-12.4 should be arranged between 6 to 8 times of internal diameter of nozzle.

3 compressed air inlet 2-12.6 are provided on mixing unit 2-12.2；It is also possible to 4 or 5；Multiple compressions are empty Gas entrance 2-12.6 is circumferentially uniformly distributed along the cross section of mixing unit 2-12.2.Multiple compressed air inlet 2-12.6 are set and are conducive to sky Gas and combustion gas mixing are uniform.

Compressed air inlet 2-12.6 is preferably provided towards the inclination of the direction Venturi tube 2-12.3；With gas nozzle 2- 12.1 central axis angle is 110-130 degree；It is more advantageous to air and combustion gas mixing is uniform.

Preferably 120 degree are set by the central axis angle of compressed air inlet 2-12.6 and gas nozzle 2-12.1.

Reversed frustum can also be set at the top of above-mentioned frustum；The bottom of reversed frustum is small, and top is big；It is formed pyramidal Auxiliary mixing chamber 2-12.5；So that turbulent flow of the mixed gas before entering Venturi tube is stronger, the uniformity of combustion gas is improved.

Venturi effect is utilized in the design of mixer in embodiment, passes through the suction that " Venturi tube " generates using combustion gas Attached power priming combustion gas and the mixing of compressed air simultaneously reach certain kinetic energy from the upper spray orifice ejection of burning row.

The air circuit connection of combustion system is as shown in figure 22.It is big that satisfactory gas source such as pressure is connected when use first In the 95#(or more of 0.5-1.7MPa) propane；0.7-0.9MPa compressed air gas source, fuel gas pipeline promoting menstruation not less than DN25, 9 latus rectum of pneumatic manifold is not less than DN10, and bypass line latus rectum is not less than DN5.Fuel gas pipeline is divided into same two groups, through one Grade is decompressed to 0.35MPa, then through second depressurized to 0.1MPa, respectively leads to the mixed of two sides burning row by normally closed solenoid valve control Clutch (the every side of mixer 2), 4 rear end of solenoid valve installation fire arrester 5 prevent from being tempered.Pressure is the compressed air gas source of 0.8MPa It is divided into mixer (the every side 2 of mixer that 12 branches (DN5) in parallel respectively lead to burning row in two sides through normally closed solenoid valve control A, each mixer is connect with 3 compressed air gas source bypass ducts), combustion gas and compressed air are after mixer 12 is sufficiently mixed Lead to every burning row (the burning row of every side 4, amount to 8).Gas source and Nitrogen source gases are connected by reversal valve and fuel gas conduit It connects.When combustion experiment, control reversal valve is connected to gas source with fuel gas conduit；After burning, reversal valve is controlled, burner is made Connect Nitrogen source gases, the residual gas for being filled with pipeline with high pressure nitrogen, purging to pipeline, while will be purged out with air exhausting device Body drains into safety zone；It avoids generating safety accident.

As shown in figure 14, half body mould is made of head mould 3-1, trunk mould 3-2, minute-pressure pressure transmitter, gas-guide tube etc..

Respectively there is a technique mouth in trunk front up and down, and upper technique mouth 3-4 is for being fixed a mould, gas-guide tube, minute-pressure pressure The operation of power transmitter, lower technique mouth 3-5 are used to be fixed gas-guide tube and fix half body mould and the operation on instruction carriage.Work Skill mouth can be rectangle, be also possible to circular.

Head mould is hollow structure, and the installation of left eye portion is for detecting the respiratory resistance detection mouth 3- of subject mask internal respiration resistance 6, oral area is circular through hole, exports 3-7 as simulated respiration.Simulation simulated respiration outlet 3-7 and half body mould bottom is set The delivery outlet (not shown) of respirator passes through simulated respiration gas-guide tube 3-9 connection.

As shown in Figure 15, Figure 16, head mould 3-1 and trunk mould 3-2 are independent two parts；The difficulty of processing can be reduced Degree.The head bottom mould 3-1 is equipped with mounting flange, connect with the head mould holder 3-12 of branch fastener mould, head mould holder is also by Method for Installation Orchid connect with the trunk mould holder 3-13 in trunk；Head mould holder can also regard a part of braced frame as.Head die topography It is made by standard Asia ethnic group head dummy and shape of face.

Trunk Facing material is 1Cr16Ni35 Austenitic heat resisting steel, and thick 1.5mm can tolerate 1035 DEG C or less and add repeatedly Heat and do not generate caducous oxide skin.Fire-entry suit aging can be resisted, the high temperature generated is burnt in part；Make half body mould more resistant to With.Braced frame support, bracket made of the internal square steel tube with 20 × 20 × 3 are divided into five layers up and down, and front and back is divided into two rows；Five Layer is located at bottom, hip top, waist, chest center and neck；Each layer bracket uses upright supports.Intensity can guarantee anti- Whole phenomena such as not bending, deform, snapping after multiple drop shutter test.

In order to enhance trunk mould 3-2 to the stability of strutting system of fire-entry suit, support frame is also provided with shoulder support.Shoulder support By the support rod being inclined outwardly；The apical support of support rod is at the fillet of trunk mould.Can also as shown in the figure, 3 supports Bar and the cross bar of chest setting constitute gusseted；It is more firm.

Trunk always high 850mm, shoulder height 766mm, breastheight 540mm, the high 330mm of waist, the high 150mm of stern.Chest width 380mm, Thickness 260mm, bust 1030mm, waist width 330mm, thickness 250mm, waistline 960mm, buttocks width 400mm, thickness 260mm, hip circumference 1100mm.

The column of each layer bracket is staggered along trunk mould or so, is not on same vertical line.Since head mould 1 is heavier；Column It can be directly delivered to bottom along column to avoid impact force in this way after being staggered, improve the stress of bracket.

As shown in figure 17, minute-pressure pressure transmitter 3-3 range ± 2kPa is fixed on the place on bracket close to back, with The difference in height of respiratory resistance detection mouth is 400 to 500 millimeters；Apart from respiratory resistance detection mouth 6；Meanwhile it can be to avoid because of installation Cause head heavier on head.Connected by the respiratory resistance detection mouth 3-6 that respiratory resistance detects gas-guide tube 3-8 and head mould eye It connects, for detecting the respiratory resistance inside tested air respiratorresuscitator mask, minute-pressure pressure transmitter cable 3-10 is protected across cable Pillar 3-11 is connect with the spiral cable in instruction carriage compartment, and the spiral cable other end is connect through drag chain with control system.Breathing Resistance is also pressure value, pressure when being the pressure and air-breathing when exhaling in mask respectively in mask；Unit is Pa, and what is taken is With the pressure difference of standard atmospheric pressure.

Simulated respiration gas-guide tube one end is connect with the breathing gas interface at the top of instruction carriage, the mould of the other end and head die orifice portion Quasi- breathing connection interface tube connection.

As shown in figure 18, the instruction carriage in the present embodiment is by test frame 4-1, walking mechanism, simulated respiration mechanism, liter Descending mechanism composition.Instruction carriage is walked along guide rail, it is easier to guarantee walking precision；Meanwhile reducing the control difficulty of walking mechanism.

(1) elevating mechanism

As shown in Figure 19, Figure 20, elevating mechanism by placing vertically, and rod end is in upper 63 × 150(bore/stroke；Through Calculate its generation upwards thrust be greater than it is all lifting components total forces) single-acting cylinder lifting driving cylinder 4-6 driving, Drive atmospheric pressure (0.8 ± 0.1) MPa.Driving gas is gone up and down reversal valve 4-9, and to be output end enter lifting driving cylinder from rear end 4-6 pushes the piston of lifting driving cylinder 4-6 to rise.In order to avoid piston rods bend；It is set above lifting driving cylinder 4-6 Lifting auxiliary cylinders 4-4 is set；The diameter of piston rod for going up and down auxiliary cylinders 4-4 is greater than the diameter that lifting drives the piston rod of cylinder 4-6； To provide enough rigidity.The piston rod of lifting driving cylinder 4-6 is fixedly connected or hingedly with the piston for going up and down auxiliary cylinders 4-4； The internal chamber wall of lifting auxiliary cylinders 4-4 can be used as slideway, avoid occurring in the piston rod uphill process of lifting driving cylinder 4-6 curved It is bent.The piston rod of lifting driving cylinder 4-6 pushes the piston of lifting auxiliary cylinders 4-4 and piston rod to move upwards 150mm.Lifting The piston rod of auxiliary cylinders 4-4 is reliably connected together by ring flange and bolt and lifter plate 4-7, to realize lifting driving gas Cylinder 4-6 pushes the lifting movement of lifter plate 4-7.The stroke range of lifting driving cylinder 4-6 can be selected 150 between 155mm.

When needing lowering action, the input of driving gas is closed by the lifting movement of reversal valve 9 of process control；Lifting is driven Remaining driving gas in cylinder is discharged rapidly the gas vent that the gas taken offence below cylinder 4-6 piston is gone up and down reversal valve 4-9；It rises Drop plate 4-7 and people's mould complete downwards the movement of falling object under gravity.The aperture of the gas vent of reversal valve should be greater than 12mm；So that the piston resistance of lifting auxiliary cylinders 4-4 is sufficiently low；It can be ignored compared with the influence of gravity.Lifting driving The rod end of cylinder 4-6 is provided with the through-hole being communicated with the atmosphere；Resistance is generated when piston being avoided to rise or fall.

The lower end of lifting auxiliary cylinders 4-4 is provided with the through-hole being communicated with the atmosphere, production when piston being avoided to rise or fall Raw resistance.

The piston rod for going up and down auxiliary cylinders 4-4 is tubulose, and bottom end is closed by piston.It is offered on tube wall above piston logical Hole, the gas above piston in cylinder are entered in pipe by through-hole 4-21.The top of piston rod is provided with the output of auxiliary cylinders gas and connects Mouth 4-14.Auxiliary cylinders gas input interface 4-16 is arranged on the casing wall of lifting auxiliary cylinders 4-4, the highest point that piston 4-20 rises Top.Enter work from the through-hole of piston rod wall from the breathing gas that auxiliary cylinders gas input interface 4-16 enters by connecting tube In stopper rod, exported from auxiliary cylinders gas output interface 4-14, into metal people's mould.Breathing gas is not required to separately to set gas circuit and can transport To using terminal, the moving component of tracheae and elevating mechanism is avoided to generate interference, securely and reliably.

4 guide posts 2 for passing through lifter plate 7 are arranged in fixed plate 4-8 surrounding, play the limition orientation work to lifter plate 4-7 With the tolerance fit of guide post and lifting face is F8/h8.

Four rounding of angle of lifter plate 4-7 avoid corner angle scratch during lifting from damaging object or hurt sb.'s feelings.

Rubber shock-absorbing layer 4-15 is arranged in base of frame and walking mechanism junction, buffers the impact generated during tenesmus, It can effectively protect the load-bearing stressed member of walking mechanism.

(2) simulated respiration mechanism

As shown in figure 21, simulated respiration mechanism is computed the need that its stroke satisfaction output tolerance is greater than 2 liters by 40 × 200( Ask) double-acting cylinder respiration drive cylinder 3 drive, drive atmospheric pressure (0.8 ± 0.1) MPa.Drive gas from reversal valve (in figure Be not shown) expiration output end through exhale control tracheae 4-19 enter 3 input terminal of respiration drive cylinder, respiration drive cylinder 4-3 Piston rod push breathing cylinder 4-5 piston press defined stroke motion, to breathing gas export push 2L air, simulate people Body is exhaled.When needing aspiratory action, autogenous cutting will be driven to shift to air-breathing output end by the execution reversal valve of process control and passed through Air-breathing control tracheae 4-18 enters another input terminal of respiration drive cylinder 4-3, the piston rod counter motion of respiration drive cylinder 4-3 The piston reset of breathing cylinder is driven, this process makes breathing gas outlet generate negative pressure, simulates human body air-breathing, completes at this time primary The overall process of simulated respiration.On the end cap for the rear end that breathing cylinder 4-5 is arranged in respiratory gas source outlet 4-17.Respiratory gas source outlet 4-17 is connect by tracheae with auxiliary cylinders gas input interface 4-16.Control program is exhaled with 25 beats/min of frequency control simulation It inhales mechanism and completes above-mentioned breath cycle, to reach defined simulated respiration requirement.

The piston rod of respiration drive cylinder 3 is equipped with stroke adjustment bolt 13, by adjusting the stroke of piston, to cylinder Output tolerance is finely adjusted, to accurately control the stroke of execution cylinder piston, it is ensured that the air total amount of simulation exhalation is every time 2L。

(3) walking mechanism

The driving of the walking mechanism of instruction carriage drives retarder by speed regulating motor, and it is real that retarder drives the wheel shaft of driving wheel Existing, driven wheel is used to guarantee the stability of traveling.Active wheels 4-11 and driven wheel group 4-10 is respectively provided with two groups, two groups of difference cloth It sets on two guide rail 4-12.The travel speed of instruction carriage has control program setting, meets within (30 ± 5) time second, examination Validate the car can since preheating cabinet be moved to burner and flame contact.

It is connected and fixed between two parallel tracks with square steel tube, guarantees that integral position is consistent.It is arranged 4 between two tracks A optoelectronic switch irradiated upwards is used for Control experiment vehicle in the positioning of each predeterminated position.Track terminal is filled equipped with position limitation protection It sets, prevents program out of control from instruction carriage being caused to fall errant.Movable drag chain is also laid between two tracks, arrangement control inside drag chain The connection cables and driving gas connecting line of system processed and instruction carriage and metal people's intermode.

4 optoelectronic switches are provided with by guide rail 4-12.When the perpendicular bisector of instruction carriage upper part of the body mould and the spray orifice of burning row When array midline is aligned, is corrected before instruction carriage and interdict the first optoelectronic switch；The available instruction carriage of control unit arrives Position signal.After instruction carriage enters preheating cabinet, lifter plate will stop after slot is fully sealed, and be corrected after instruction carriage by the 4th light Electric switch blocking；The signal in place of the available instruction carriage of control unit.Between the first optoelectronic switch and the 4th optoelectronic switch It is additionally provided with the second optoelectronic switch and third optoelectronic switch.One can be arranged between burner and preheating cabinet for instruction carriage Parking place is as initial position；When instruction carriage is parked in initial position, before correct by the second optoelectronic switch interdict；Thereafter It corrects and interdicts third optoelectronic switch；Determine that instruction carriage is parked in initial position with two signals.

During entire test, instruction carriage is first positioned in initial bit, and the second optoelectronic switch is blocked simultaneously in instruction carriage both ends (have not being blocked at one and prove that instruction carriage is not in initial bit, control program is made prompt and refused with third optoelectronic switch Test is normally carried out), test after arranging is worn to test item and is formally started, and controls program-control test vehicle into preheating cabinet Mobile, instruction carriage is automatically stopped after reaching pre- thermal potential and blocking the 4th optoelectronic switch, and instruction carriage should be completely into preheating cabinet at this time And metal people's mould middle line is aligned with heater locations middle line, instruction carriage is advanced from trend flame contact position after preheating, is reached Instruction carriage is automatically stopped after the first optoelectronic switch is blocked in setting position, and metal people mould middle line is aligned with burner middle line at this time, fire Instruction carriage automatically returns to initial bit after flame contact and drop shutter test, and the second optoelectronic switch is blocked in rear end first；It moves on, Instruction carriage is automatically stopped after shielding light third electric switch, off-test.

Above-mentioned example is only intended to illustrate the utility model, and in addition to this, also there are many different embodiments, and these Embodiment be all those skilled in the art after comprehension the utility model thought it is also envisioned that therefore, no longer arrange one by one herein It lifts.

Claims (3)

1. a kind of air respiratorresuscitator fire-resistance flame phagocytosis test system, which is characterized in that the equipment of the system sets up separately in combustion gas gas Between source, in laboratory and control room；Set up separately with the control room in the two sides of the laboratory between the gas source；Fuel gas source And combustion-supporting air-source is arranged between the gas source, console, Electric Appliance Cabinet and control are arranged in control room with gas source, He is arranged in laboratory equipment, between the gas source and is provided with Fuel Gas Leak Alarm in the laboratory；It is described Fuel Gas Leak Alarm is connect with the equipment of the console, and the room apex angle of laboratory is provided with the camera shooting of monitoring test area Head；The image transmitting of test area to console, the exclusive side side of the burning in flame phagocytosis region are provided with by the camera Monitor the camera of the burning row combustion state；Camera is by the image transmitting of test area to console.

2. air respiratorresuscitator fire-resistance flame phagocytosis test system as described in claim 1, which is characterized in that the wall of the laboratory The air exhausting device that room air is discharged is installed on wall.

3. air respiratorresuscitator fire-resistance flame phagocytosis test system as described in claim 1, which is characterized in that the flame swallows area Domain is positioned close to side between the gas source.