CN203946286U - A kind of high-velocity detonation depressurized system - Google Patents
A kind of high-velocity detonation depressurized system Download PDFInfo
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- CN203946286U CN203946286U CN201320730816.0U CN201320730816U CN203946286U CN 203946286 U CN203946286 U CN 203946286U CN 201320730816 U CN201320730816 U CN 201320730816U CN 203946286 U CN203946286 U CN 203946286U
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Abstract
A kind of high-velocity detonation depressurized system relates to a kind of experimental facilities, comprise test chamber, also comprise switching venturi, isolating door, pressure tank, explosion decompression barrier film, isolating door power system, explosion decompression power system and pressure equaliser, described test chamber is connected with switching venturi, and explosion decompression barrier film is installed in junction; Switching venturi is connected with pressure tank by isolating door; By isolating door power system, isolating door is opened.The use of utility model utilization switching venturi and pressure tank and isolating door, improved the time of test chamber step-down, before testing, only the air pressure in pressure tank and switching venturi need to be down to the low pressure of test requirements document next time, greatly shortened the time that sending down abnormally ascending is pressed, also saved sending down abnormally ascending and pressed the needed energy.The utility model is simple in structure, easy to operate, has filled up the blank in domestic this field.
Description
Technical field
The utility model relates to a kind of experimental facilities, is specifically related to a kind of different pressures space of simulating at the instantaneous depressurized system of getting through of high-velocity detonation decompression barrier film.
Background technology
In some aircraft equipment technical study places and aircraft equipment detect place, the test of the cabin that often need to do different air pressure after instantaneous connection, as: after the breakage aloft of aircraft hatchcover, the variation of the mode of operation of aviator's oxygen mask, and then oxygen mask is improved, in this case, barometric information in the time of just need to simulating high-altitude outside the atmospheric pressure state in cabin and cabin, this simulation, sealable two cabins of many employings, in cabin, design is filled with gas respectively, simulate different barometric informations, connectivity part between cabin is provided with explosion decompression barrier film, explosion decompression barrier film seals, the air pressure that has made to install between two cabins after explosion decompression barrier film can not interconnect.The oxygen that some safety equipments are instructed in clothes, oxygen mask, the helmet and cabin as sky adjusts device, oxygen supply equipment as the compression shock test without rapid decompression, and these equipment probably exist potential safety hazard in use, and the faults such as explosion even occur.
At 19 century 70s, along with the rise of hypobaric chamber analog technology, pulled open the prelude of this experimental enviroment analog technology research; 20 century 70s have developed rapid decompression chamber on the basis in pressure common cabin, are mainly used in research and the detection of above protective gear; At present, this technology also only can simulate 300 milliseconds～500 milliseconds explosive decompression experimental enviroments.According to reality, opportunity of combat is from being hit passenger cabin or et out of order to causing flight passenger cabin instantaneous loss of pressure, and its time often only has the time of tens milliseconds; The volume of adding between laboratory module and negative pressure deposit cabin is out of proportion, causes simulation environment and actual environment gap larger, thereby causes the resulting result of test figures and legitimate reading to have larger error.Therefore, above-mentioned experimental enviroment can not meet people to space probation and the demand to future war.In addition, for simulation environment in process of the test, in prior art, maximum problem is that the container that infrabar emulation mode is provided being connected with test chamber all will all vacuumize to realize the process that reduces air pressure at every turn, and this analogue test mode is not only lost time but also waste energy.
Utility model content
For solving in prior art: the long technical matters that causes test results data and legitimate reading to have larger error of simulation instantaneous loss of pressure system time, the utility model provides explosion decompression time to reach the instantaneous plunder analog system about 0.015 second.
A kind of high-velocity detonation depressurized system, comprise test chamber, it is characterized in that: also comprise switching venturi, isolating door, pressure tank, explosion decompression barrier film, isolating door power system, explosion decompression power system and pressure equaliser, described test chamber is connected with switching venturi, and explosion decompression barrier film is installed in junction; Switching venturi is connected with pressure tank by isolating door; By isolating door power system, isolating door is opened, explosion decompression power system reduces pressure test chamber and the explosion between switching venturi after barrier film breaks, and the air pressure fast-descending in test chamber, to reach the requirement of simulated experiment; By isolating door power system, isolating door is closed, and then open the hatch door of test chamber, can make the infrabar state in pressure tank be continued to keep; Between container, pressure equaliser is installed between test chamber and switching venturi, can not leak because of valve member performance issue when guaranteeing that pressure tank and test chamber are used separately.
The use of the utility model utilization switching venturi and pressure tank and isolating door, greatly improved the time requirement of test chamber step-down, utilize the opening and closing of isolating door simultaneously, make to remain in pressure tank lower atmospheric pressure state, before testing, only the air pressure in pressure tank and switching venturi need to be down to the low pressure of test requirements document next time, greatly shortened the time that sending down abnormally ascending is pressed, also saved sending down abnormally ascending and pressed the needed energy.The utility model is simple in structure, easy to operate, has filled up the blank in domestic this field.
Accompanying drawing explanation
The drawing of the utility model accompanying drawing is described as follows:
Fig. 1. a kind of overall construction drawing of high-velocity detonation depressurized system;
Fig. 2. the scheme of installation of high-velocity detonation depressurized system;
Fig. 3. the structural representation of the test chamber of high-velocity detonation depressurized system;
Fig. 4. the composition schematic diagram of the test chamber of high-velocity detonation depressurized system
Fig. 5. the isolating door of high-velocity detonation depressurized system splits schematic diagram;
Fig. 6. the structure of high-velocity detonation depressurized system pressure tank and composition schematic diagram;
Fig. 7. the structure of isolating door power system and composition schematic diagram;
Fig. 8. the schematic diagram of movements of isolating door power system;
Fig. 9. the structure of explosion decompression power system and composition schematic diagram;
Figure 10. balance device structure schematic diagram between the container in pressure equaliser (8);
Figure 11. balance device structure schematic diagram between the isolating door in pressure equaliser (8);
Figure 12. pressure history figure after explosion;
Transfer diagram: 1. The trial container 2. Throat 3. The isolation gate 4. 5. Pressure reserve vessel blasting decompression diaphragm 6. Isolation door power system 7. Blasting stress dynamic system 8. Pressure balance device 9. 10. Test container shell window 11. Woodwork 12. I doors I 13. Throat within 14. Install channel 15. Diaphragm installation door 16. Line penetration tank 17. Electrical penetration tank 18. The isolation door 19 - hinge assembly seat 20) hinge on page 21. The hydraulic cylinder connected a 22. The pressure for reserve vessel 23. Doors II. 24's cabin stairs. 25 frame II 26. The saddle 27 cut-off valve 28 gas with solenoid valve 29 accumulator 30. The pipe joint 31. 32. The mounting bracket hydraulic cylinder installation seat 33. Connecting pin 34 hydraulic cylinder 35 connector 36 high pressure hose with a fluid with electromagnetic valve 38. The throttle 39. The platen 40. 41. The high-speed cylinder firing pin 42. 43. The adjusting plate penetration over 44. I hold solenoid valve (flange) 45. Penetration tank over II.
The specific embodiment
Below in conjunction with accompanying drawing, the utility model is further described as follows:
A kind of high-velocity detonation depressurized system, comprise test chamber 1, it is characterized in that: also comprise switching venturi 2, isolating door 3, pressure tank 4, explosion decompression barrier film 5, isolating door power system 6, explosion decompression power system 7 and pressure equaliser, described test chamber 1 is connected with switching venturi 2, and explosion decompression barrier film 5 is installed in junction; Switching venturi 2 is connected with pressure tank 4 by isolating door 3; By isolating door power system 6, isolating door 3 is opened, explosion decompression power system 7 reduces pressure test chamber 1 and the explosion between switching venturi 2 after barrier film 5 breaks, and the air pressure fast-descending in test chamber 1, to reach the requirement of simulated experiment; By isolating door power system 6, isolating door 3 is closed, and then open the hatch door of test chamber 1, can make the infrabar state in pressure tank 4 be continued to keep; Between container, pressure equaliser 8 is installed between test chamber 1 and switching venturi 2, can not leak because of valve member performance issue when guaranteeing that pressure tank 4 and test chamber 1 used separately.
Quick and convenient for ensureing the installation of decompression barrier film, in the utility model, at switching venturi and test space adjacent, be designed with installation passage, channel vertical is installed in switching venturi, at lateral surface, test chamber housing that passage is installed, be designed with feeder connection and barrier film installation door 15 outward, decompression barrier film enters and installs passage 14 from feeder connection, close barrier film door 15 is installed, feeder connection is in sealing state.
Described test chamber 1 can be the outer rectangular pressure vessels of strengthening of an interior pressure-bearing, has configured observation window 10, hatch door I12 and decompression barrier film; The base portion of described test chamber 1, adopts sheet metal moulding to be welded into rectangular box-shaped structure, and surface is strengthened with sheet metal welding " T " font gusset; It is upper that hatch door I12 is arranged on doorframe I11 by hinge page 20, between hatch door I12 and doorframe I11, sealing band is installed and sealed; Doorframe I11 adopts sheet metal forming work, is weldingly fixed on the right-hand of test chamber housing 9; Decompression barrier film is installed between test chamber 1 and switching venturi 2.While adopting test chamber 1 can the bear-101KPa static pressure of this structure and high-velocity detonation decompression, the Instantaneous Situation of 80KPa pressure impacts.
For convenience of the mode of operation in viewing test container 1, the utility model is also designed with observation window 10 on test chamber housing 9, described observation window 10 is arranged on the dead ahead of test chamber 1,10 of observation windows are fixedly connected with by Type of Welding with test chamber housing 9, endoscopy glass fixedly mounts by screw by a metal platen, between 10 of endoscopy glass and observation windows, sealing band is installed and is sealed; Endoscopy glass is selected the processing of high strength ultra-clear glasses.This structure, gets a clear view, and intensity is high, and safety factor reaches more than 10 times, and staff can clear understanding and the test detection case of observing each equipment.
Better effects if while being communicated with test chamber for the venturi that makes to transfer, the utility model also comprises interior venturi 13, adopt the orthogonal frame of sheet metal forming work, by welding manner, be arranged on test chamber 1, by switching venturi 2 connection test containers and pressure tank 4, the pressure bleed passage while being explosion decompression.
Isolating door power system 6 all needs pipeline to be connected with explosion decompression power system 7, for guarantee provide power time, test chamber 1 and switching venturi 2 are in sealing state, the utility model has also designed pipeline and has passed through cabin 16, described pipeline passes through cabin 16 and adopts altogether 3 covers, be arranged on respectively on the sidewall of test chamber housing 9, switching venturi 2 and pressure tank 4, the power pipeline of isolating door power system 6 and explosion decompression power system 7 is all placed in pipeline and passes through cabin 16.
The utility model also comprises the electric cabin 17 of passing through, described electric passing through on the sidewall that cabin 17 is arranged on test chamber housing 9 and pressure accumlator.Electric interface channel when passing through 17Shi cabin, cabin intraoral illumination, monitoring and other lab-size equipment electricity consumption and signal and transmitting.For guaranteeing sealing and purposes, on the electric connecting panel that passes through cabin 17, sealing air plug or sealed wiring post can be installed.
Whether the switch of isolating door 3 is directly connected to whole system can reduction of blood pressure in high-speed and realize energy-conservation important component part, described isolating door 3 is arranged between pressure tank 4 and switching venturi 2, when pressure tank 4 or test chamber 1 are tested separately and when long-time test changes bursting diaphragm, cut off communicating passage, reach energy-saving and emission-reduction, reduce the object of use cost.Mainly by isolating door body 18, hinge page 20 mount pads 19, hinge page 20 and hydraulic actuating cylinder mount pad 32, formed; Described isolating door body 18 is main bearing members of isolating door 3, is arranged on the doorframe of pressure tank 4 and 2 of venturis of switching by hinge page 20 mount pads 19 and hinge page 20; Hydraulic actuating cylinder mount pad 32 makes isolating door body 18 be connected with the hydraulic actuating cylinder 34 of isolating door power system 6 by Connection Block 21.
For guaranteeing enough intensity and alleviating a weight, isolating door body 18 adopts sheet metal processing, and structure is double-deck middle frame structure form.
Described pressure tank 4 is the hypobarics for simulated altitude, is the vacuum tank of test chamber 1, the vessel space of its Kong Jian≤50 times; Pressure tank 4 can be designed to drum-shaped structure, outside bearing course adopts metal sheet forming work, indoor design " T " font reinforced rib carries out axially, radially strengthens, and is the processibility of proof strength and product, the oval spherical crown end socket sealing of two ends design melon lobe formula; Pressure tank housing 22, sealing are arranged on hatch door I12 described in the hatch door I12 on housing and are comprised of door body, doorframe, sealing band, door lock and hinge page 20 parts.
For making pressure tank 4 easy to use, safe, described pressure tank 4 also comprise convenient arrive hatch door position step on cabin stair 24 and saddle 26 forms.For convenience of staff, by hatch door, enter 4 designs of pressure tank and step on cabin stair 24, step on cabin stair 24 and adopt shape and the processing of decorative pattern checkered plate; Described saddle 26 supports relevant criterion with reference to pressure container and designs, and adopts the processing of sheet metal assembly welding, is that pressure tank housing 22 supports and secure mounting arrangements.
Explosion decompression barrier film 5 adopts high-strength armoured-glass.Described explosion decompression barrier film 5 should guarantee that enough intensity exists pressure to bear between the front pressure tank 4 of test and test chamber 1, while guaranteeing decompression test again, barrier film should be broken into graininess moment, does not affect pressure decompression time, so select high-strength armoured-glass.
Isolating door power system 6 comprises that hydraulic actuating cylinder 34, gas are used electromagnetic valve 28 and electromagnetic valve 37, energy storage 29 for liquid; The top of energy storage 29 is pressurized air cavity volume, bottom is hydraulic working oil chamber, between pressurized air cavity volume and hydraulic working oil chamber, with piston plate, separate, energy storage 29 is converted into hydraulic power by Pneumatic pressure power, by pipeline, send hydraulic power to hydraulic actuating cylinder again, thereby the piston rod of control hydraulic actuating cylinder is flexible; Energy storage 29 is fixedly mounted on the body of cabin by bracing or strutting arrangement erecting frame 31; The flow that flow regulating valve 38 is controlled between energy storage and hydraulic actuating cylinder, regulates isolating door 3 to open or close speed; Employing pressure gas is power, and whether the conducting of gas pipe line part use gas use solenoid control, by energy storage 29, Pneumatic pressure power is converted into hydraulic power, and whether the conducting of liquid use solenoid control hydraulic circuit; Hydraulic oil promotes the piston rod movement of hydraulic actuating cylinder 34, realizes the unlatching of isolating door 3 or closes.The difficult point of isolating door power system 6 design and object are to solve that to adopt separately hydraulic pressure be that subsidiary's construction such as hydraulic power unit of the bulky complex brought of power and the instant impact that produces while adopting separately air pressure to be power easily make the defects such as a body damage.
Guarantee that isolating door 3 opens or closes in process, when certain angle rotation can occur hydraulic actuating cylinder 34, power pipeline can continue to provide power, and the power pipeline in the utility model is selected high pressure hose 36.
Described isolating door power system 6 also comprises shutoff valve 27, when system et out of order and strange phenomena, closes shutoff valve 27, cutting system pipeline, the shutoff valve 27 that maintains easily and overhaul; System is carried out the power element of automation control; What pipeline passed through cabin 16 sealing passes through cabin part and corresponding quick seal coupling.
Described explosion decompression power system 7 is that 5 explosions of explosion decompression barrier film provide power during for test, realizes 5 moments of explosion decompression barrier film broken, and 1 pressure moment of test chamber reaches high-altitude infrabar pressure environment from normal environment.For achieving the above object, adopting high-speed cylinder 40 is major impetus power element, utilizes pressurized air for propulsion source; Control 4 electromagnetic valve combinations, change pressure gas promotion high-speed cylinder 40 pistons and stretch out or regain by the requirement of setting, thereby promote striker 41, crash through decompression barrier film; Described striker 41 adopts alloy structure steel making, and through test of many times finishing striker 41 pin angles, to meet the functional requirement of high-speed breakage decompression barrier film.
Between described container, pressure equaliser 8 is arranged on the pressure equaliser on pressure tank 4 and 2 bulkheads of switching venturi, this device comprises a steel pipe being fixed by welding on bulkhead, also at switching venturi 2 ends by two contrary electromagnetic valves of gas flow of flange connection, between electromagnetic valve and pipeline design and installation one adjust plate 42.Above-mentioned design can actv. adjustments of gas balance speed, can also guarantee when pressure tank 4 and test chamber 1 are used separately can not leak because of valve member performance issue.
The utility model also comprises isolating door 3 pressure equalisers, is arranged between twice isolating door 3, is weldingly fixed on steel pipe and electromagnetic valve on isolating door 3 closing plates forms by one.Isolating door 3 pressure equalisers are used for the pressure that 3 spaces of twice isolating door and vessel space exist in balancing test process.
In process of the test, isolating door 3 is when closed condition, and the difference of pressure existing between space and outer container between isolating door 3 two ends containers and twice isolation, reduces isolating door 3 and open resistance.
While using this high-velocity detonation depressurized system, observe following steps:
1. check that source of the gas and various parts reach after test condition, pass through autonomous cruise speed system, respective electrical magnet valve in isolating door power system 6 is opened, source of the gas center provides Pneumatic pressure power by pipeline to system, Pneumatic pressure power is converted to hydraulic power through energy storage 29, and hydraulic power is passed to hydraulic actuating cylinder 34 by pipeline, and the piston rod of hydraulic actuating cylinder 34 stretches out, thus the isolating door 3 slowly promoting is closed.
2. according to test demand, calculating the front institute of test pressure tank 4 needs preset pressure altitude; The hatch door I12I of shutoff pressure tank 4 and other and the extraneous passage communicating, start vacuum unit, and pressure tank 4 internal pressures are preset to required pressure altitude.
3. check that explosion decompression barrier film 5 installation environments meet after barrier film mounting condition, the explosion barrier film 5 that reduces pressure is in place.
4. the device detecting with need that needs experimental investigation, equipment, instrument and meter, aviation articles for use etc. are fixedly installed in test chamber 1 on request.
5. close the hatch door I12 of test chamber 1 and other and the extraneous passage communicating, start vacuum unit, test chamber 1 internal pressure is preset to required pressure altitude before test.
6. open the electromagnetic valve in the pressure equaliser on pressure tank 4 and 2 bulkheads of switching venturi, make the pressure of 2 of pressure tank 4 and switching venturis reach balance.Open the electromagnetic valve in isolating door 3 upper pressure balance devices, make the pressure of 2 of 3 spaces of two isolating doors and switching venturis reach balance.
7. open the respective electrical magnet valve in isolating door power system 6, source of the gas center provides Pneumatic pressure power by pipeline to system, Pneumatic pressure power is converted to hydraulic power through energy storage 29, and hydraulic power is passed to hydraulic actuating cylinder 34 by pipeline, the piston rod of hydraulic actuating cylinder 34 shrinks, thereby pull isolating door 3 to open, be communicated with pressure tank 4 and switching venturi 2 passages.
8. the electromagnetic valve in the pressure equaliser on shutoff pressure tank 4 and switching venturi 2 bulkheads; Close the electromagnetic valve in isolating door 3 upper pressure balance devices.
9. check and confirm that each link reaches test requirements document, again check pressure tank 4 and test chamber 1 internal pressure Pass Test requirement, as do not meet, start vacuum unit and make its pressure reach the required pressure of test.
10. checkout test process acquisition instrument instrument reaches after mode of operation and comfirmation test safety, open respective electrical magnet valve in explosion decompression power system 7, make source of the gas center to high-speed cylinder 40, provide power by pipeline, high-speed cylinder 40 piston rods are shot out, and promote to be arranged on the striker 41 shock explosion decompression barrier films 5 of piston rod head.
11. explosion decompression barrier film 5 is under striker 41 clashes into, and moment is broken, by switching venturi 2, is communicated with pressure tank 4 and test chambers 1, makes 1 internal pressure moment of test chamber drop to required pressure altitude.
12. pass through pressure acquisition system, can checkout test container 1 pressure history (seeing accompanying drawing 12).
13. open the respective electrical magnet valve in isolating door power system 6, source of the gas center provides Pneumatic pressure power by pipeline to system, Pneumatic pressure power is converted to hydraulic power through energy storage 29, and hydraulic power is passed to hydraulic actuating cylinder 34 by pipeline, the piston rod of hydraulic actuating cylinder 34 stretches out, thereby the isolating door 3 slowly promoting is closed.
14. by autonomous cruise speed system, the pressure rise in test chamber 1 and switching venturi 2 is arrived to floor level.
15. open the hatch door I12 of test chamber 1, check that each is tested or by the intact degree of checking device, equipment, instrument and meter, aviation articles for use etc.
16. clear up barrier film fragment, by above-mentioned 3～15 steps, re-start test next time or detect.
Claims (10)
1. a high-velocity detonation depressurized system, comprise test chamber (1), it is characterized in that: also comprise switching venturi (2), isolating door (3), pressure tank (4), explosion decompression barrier film (5), isolating door power system (6), explosion decompression power system (7) and pressure equaliser, described test chamber (1) is connected with switching venturi (2), and explosion decompression barrier film (5) is installed in junction; Switching venturi (2) is connected with pressure tank (4) by isolating door (3); By isolating door power system (6), isolating door (3) is opened, after explosion decompression power system (7) is broken the explosion decompression barrier film (5) between test chamber (1) and switching venturi (2), the air pressure fast-descending in test chamber (1), to reach the requirement of simulated experiment; By isolating door power system (6), isolating door (3) is closed, and then open the hatch door of test chamber (1), can make the infrabar state in pressure tank (4) be continued to keep; Pressure equaliser between container (8) is installed between test chamber (1) and switching venturi (2), can not leak because of valve member performance issue when guaranteeing that pressure tank (4) and test chamber (1) are used separately.
2. a kind of high-velocity detonation depressurized system according to claim 1, it is characterized in that: at switching venturi and test space adjacent, be designed with installation passage (14), passage (14) is installed perpendicular to switching venturi (2), at lateral surface, test chamber housing that passage is installed, be designed with feeder connection and barrier film installation door (15) outward, decompression barrier film enters and installs passage (14) from feeder connection, close barrier film door (15) is installed, feeder connection is in sealing state.
3. a kind of high-velocity detonation depressurized system according to claim 1, is characterized in that: described test chamber (1) is the outer rectangular pressure vessels of strengthening of an interior pressure-bearing, has configured observation window (10), hatch door I(12) and decompression barrier film; The base portion of described test chamber (1), adopts sheet metal moulding to be welded into rectangular box-shaped structure, and surface is strengthened with sheet metal welding " T " font gusset; Hatch door I(12) by hinge page (20), be arranged on doorframe I(11) upper, hatch door I(12) and doorframe I(11) between sealing band be installed sealed; Doorframe I(11) adopt sheet metal forming work, be weldingly fixed on the right-hand of test chamber housing (9); Decompression barrier film is installed between test chamber (1) and switching venturi (2).
4. a kind of high-velocity detonation depressurized system according to claim 1, it is characterized in that: also designed pipeline and passed through cabin (16), described pipeline passes through cabin (16) and adopts altogether 3 covers, be arranged on respectively on the sidewall of test chamber housing (9), switching venturi (2) and pressure tank (4), the power pipeline of isolating door power system (6) and explosion decompression power system (7) is all placed in pipeline and passes through cabin (16).
5. a kind of high-velocity detonation depressurized system according to claim 1, is characterized in that: described isolating door (3) is mainly comprised of isolating door body (18), hinge page mount pad (19), hinge page (20) and hydraulic actuating cylinder mount pad (32); Described isolating door body (18) is the main bearing member of isolating door (3), by hinge page mount pad (19) and hinge page (20), is arranged on the doorframe between pressure tank (4) and switching venturi (2); Hydraulic actuating cylinder mount pad (32) makes isolating door body (18) be connected with the hydraulic actuating cylinder (34) of isolating door power system (6) by Connection Block (21).
6. a kind of high-velocity detonation depressurized system according to claim 1, is characterized in that: isolating door power system (6) comprises hydraulic actuating cylinder (34), electromagnetic valve (28) and electromagnetic valve (37), energy storage (29) for liquid for gas; The top of energy storage (29) is pressurized air cavity volume, bottom is hydraulic working oil chamber, between pressurized air cavity volume and hydraulic working oil chamber, with piston plate, separate, energy storage (29) is converted into hydraulic power by Pneumatic pressure power, by pipeline, send hydraulic power to hydraulic actuating cylinder again, thereby the piston rod of control hydraulic actuating cylinder is flexible; Energy storage (29) is fixedly mounted on the body of cabin by bracing or strutting arrangement erecting frame (31); Flow regulating valve (38) is controlled the flow between energy storage and hydraulic actuating cylinder, regulates isolating door (3) to open or close speed; Employing pressure gas is power, and whether the conducting of gas pipe line part use gas use solenoid control, by energy storage (29), Pneumatic pressure power is converted into hydraulic power, and whether the conducting of liquid use solenoid control hydraulic circuit; Hydraulic oil promotes the piston rod movement of hydraulic actuating cylinder (34), realizes the unlatching of isolating door (3) or closes.
7. a kind of high-velocity detonation depressurized system according to claim 6, is characterized in that: described isolating door power system (6) also comprises shutoff valve (27), when system et out of order and strange phenomena, closes shutoff valve (27), cutting system pipeline.
8. a kind of high-velocity detonation depressurized system according to claim 1, is characterized in that: explosion decompression power system (7) adopts high-speed cylinder (40) for major impetus power element, utilizes pressurized air for propulsion source; Control 4 electromagnetic valve combinations, change pressure gas promotion high-speed cylinder (40) piston and stretch out or regain by the requirement of setting, thereby promote striker (41), crash through decompression barrier film; Described striker (41) adopts alloy structure steel making, and through test of many times finishing striker (41) pin angle.
9. a kind of high-velocity detonation depressurized system according to claim 1, it is characterized in that: pressure equaliser between described container (8) is arranged on the pressure equaliser on bulkhead between pressure tank (4) and switching venturi (2), this device comprises a steel pipe being fixed by welding on bulkhead, also at switching venturi (2) end by two contrary electromagnetic valves of gas flow of flange connection, between electromagnetic valve and pipeline design and installation one adjust plate (42).
10. a kind of high-velocity detonation depressurized system according to claim 9, it is characterized in that: the utility model also comprises isolating door (3) pressure equaliser, be arranged between twice isolating door (3), by one, be weldingly fixed on steel pipe and electromagnetic valve on isolating door (3) closing plate and form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320730816.0U CN203946286U (en) | 2013-11-19 | 2013-11-19 | A kind of high-velocity detonation depressurized system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320730816.0U CN203946286U (en) | 2013-11-19 | 2013-11-19 | A kind of high-velocity detonation depressurized system |
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| Publication Number | Publication Date |
|---|---|
| CN203946286U true CN203946286U (en) | 2014-11-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320730816.0U Withdrawn - After Issue CN203946286U (en) | 2013-11-19 | 2013-11-19 | A kind of high-velocity detonation depressurized system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103569375A (en) * | 2013-11-19 | 2014-02-12 | 贵州风雷航空军械有限责任公司 | High-speed explosion decompression system |
| CN105521836A (en) * | 2016-02-04 | 2016-04-27 | 广州苏试众博环境实验室有限公司 | Low-air-pressure testing system |
| CN110697076A (en) * | 2019-10-21 | 2020-01-17 | 中国航天空气动力技术研究院 | Integrated throat model support rod for subsonic velocity shroud ablation test |
-
2013
- 2013-11-19 CN CN201320730816.0U patent/CN203946286U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103569375A (en) * | 2013-11-19 | 2014-02-12 | 贵州风雷航空军械有限责任公司 | High-speed explosion decompression system |
| CN105521836A (en) * | 2016-02-04 | 2016-04-27 | 广州苏试众博环境实验室有限公司 | Low-air-pressure testing system |
| CN105521836B (en) * | 2016-02-04 | 2017-10-10 | 广州苏试众博环境实验室有限公司 | A kind of low-atmospheric pressure test system |
| CN110697076A (en) * | 2019-10-21 | 2020-01-17 | 中国航天空气动力技术研究院 | Integrated throat model support rod for subsonic velocity shroud ablation test |
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