CN206864061U - Blast pressurization experimental box - Google Patents
Blast pressurization experimental box Download PDFInfo
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- CN206864061U CN206864061U CN201720594591.9U CN201720594591U CN206864061U CN 206864061 U CN206864061 U CN 206864061U CN 201720594591 U CN201720594591 U CN 201720594591U CN 206864061 U CN206864061 U CN 206864061U
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- pressure
- venturi
- operating room
- retainer ring
- reducing chamber
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Abstract
The utility model discloses one kind blast pressurization experimental box, it is related to experimental cabin field, it is main to include left and right distribution setting pressure-reducing chamber and operating room, pressure-reducing chamber and operating room use all-steel pressure vessel, and pressure-reducing chamber and operating room are provided with pressure-reducing valve, pressure-reducing chamber is provided with vavuum pump, and pressure-reducing chamber is connected with operating room by venturi, venturi is provided with rupture disk system, to realize the function of quick spontaneous decompression.
Description
Technical field
A kind of blast pressurization experimental box is the utility model is related to, relates generally to experimental cabin field.
Background technology
When airborne vehicle is run in the air, indoor environment and ground difference are simultaneously little, but extravehicular environment is but according to flying
The change of row latitude and height factor and change：Low-temp low-pressure.If cabin crushes, air pressure and temperature will drastically in cabin
Decline, now whether the work apparatus in cabin can also keep work most important, it is therefore desirable to which these equipment carry out the ring
Simulated test under border.An existing kind equipment does this experiment：Explosive decompression chamber, time of the decompression process requirement in 0.1s
Inside realize fast decompression.
In fast decompression Art section equipment operating room and pressure-reducing chamber are realized dependent on the folding of larger-diameter valve
Between pressure release, the device of the type is being also easy to produce the sample of splash in decompression process in face of certain type, easily leading
Causing splash to depend on or destroy the sealing device of valve causes valve seal to fail.Simultaneously because the folding of valve is at this stage
Technology under can not accomplish quick response, be extremely difficult to set quota.If test site is more closed, place is smaller, holds
Yi Zhao is into air pressure rapid fluctuations in test site, to the air pressure responsive type equipment at scene such as：Totally-enclosed explosion-proof electrification, Stress control
System etc. can be according into certain impact, while if in testing ground, of short duration shadow can be also produced for the ear-drum in duct by personnel
Ring.Another scheme is to be separated operating room and pressure-reducing chamber by the way of glass, when the pressure difference of both sides reach rated value when
Wait, glass hammer is broken, decompression is realized with this, when glass is hammered into shape broken, glass disintegrating slag splashes this scheme everywhere, it is easy to
Injure test product.
Utility model content
For above the deficiencies in the prior art, pressurize and test the utility model proposes a kind of blast of quick spontaneous decompression
Case.
To reach above-mentioned purpose, the technical solution of the utility model is：It is distributed including left and right and pressure-reducing chamber and operating room is set,
Pressure-reducing chamber and operating room use all-steel pressure vessel, and pressure-reducing chamber and operating room are provided with pressure-reducing valve, and pressure-reducing chamber is provided with true
Empty pump, pressure-reducing chamber and operating room are connected by venturi, and big footpath fixing hole is provided with one end port that venturi is connected with operating room, should
Rupture disk system is set in the fixing hole of big footpath, the rupture disk system includes diaphragm and coordinates the retainer ring in big footpath fixing hole,
Sealing gasket is respectively equipped with the both ends of retainer ring, diaphragm arrangement is in retainer ring, and diaphragm arches upward to operating room side, in retainer ring
Right side venturi port threads be combined with external screw thread ring, clamper is locked in big footpath fixing hole by the external screw thread ring, in fixation
The left side of ring is provided with and scratches blade, and the blade of the blade is close on the left of diaphragm.
Technical principle of the present utility model is as follows：Diaphragm is prior art as the part of rupture disk, in setting
At a temperature of explosion, when diaphragm pressure at both sides difference reaches pre-set value, diaphragm acts at once（Be broken or come off), and fluid Jie that releases
Matter.Diaphragm arrangement is subjected to air flow partition on the venturi of connection pressure-reducing chamber and operating room.When this programme works, first will
Test product is placed in operating room, is then completely enclosed operating room and pressure-reducing chamber, and pressure-reducing chamber is vacuumized using vavuum pump.
In the process, the air pressure in pressure-reducing chamber constantly reduces, and the air pressure of operating room keeps constant.When the air pressure pressure in pressure-reducing chamber and operating room
When difference reaches rated value, diaphragm is under pressure the side to overturn to pressure-reducing chamber, because blade is close to diaphragm, the process of upset
Middle blade will scratch diaphragm, air-flow by scratching mouth during outwardly against producing very big blow vent, therefore in operating room
Gas moment enter pressure-reducing chamber, thus reach operating room air pressure moment reduce effect.
The beneficial effects of the utility model are as follows：Due to use diaphragm cut-off operating room and pressure-reducing chamber, can be incited somebody to action in moment
Therebetween a very big port is opened.Allow what gas can be quickly to be flowed between two chambers so that the gas of operating room
The speed of drops can be completed in 0.1s completely quickly, whole process production spontaneous when rated value is reached
It is raw.Characteristic is intended for single use because diaphragm is possessed in test using special metallic composite diaphragm, effectively prevent splashing
Influence of the thing to valve and test product.Pressure-reducing chamber and operating room use all-steel pressure vessel, for absorbing or discharging portion of operating room
The pressure divided, slowly discharge or increase to realize the pressure release of whole device and supercharging in the pressure-reducing valve by remaining and atmosphere
Process, avoid impacting the personnel outside instrument, because diaphragm is disposable product, using external screw thread ring by clamper
It is locked in big footpath fixing hole, is conveniently replaceable diaphragm.
Further, retainer ring includes left retainer ring and right retainer ring, and the right-hand member of left retainer ring is provided with counterbore, and diaphragm is fixed heavy
In hole, the left end circumference of right retainer ring is provided with boss, and the counterbore of left retainer ring docks male-female engagement with the boss of right retainer ring, just
In replacing diaphragm, while overall sealing can be improved by the way of male-female engagement.
Further, operating room's side wall is provided with the connecting hole docked with venturi, and venturi right-hand member coordinates in connecting hole, worked
Venturi excircle on the left of the side wall of room is provided with projection, and the venturi external peripheral threads on the right side of operating room's side wall are combined with nut, nut
Venturi right-hand member is locked in operating room's side wall, is easy to venturi being connected in operating room, when diaphragm is changed, can be incited somebody to action
Changed after venturi dismounting, avoid operating in operating room's small space, improve operating efficiency.
Further, electromagnet is fixed with by radially-arranged support in the left side venturi of big footpath fixing hole, in electromagnet
Interior axial direction is sliding combined with slide bar, and the drive section and post-boost phase, drive section that slide bar links together including left and right are magnetic material,
Post-boost phase is nonmagnetic substance, and the left end of drive section is provided with spacing bonnet, in the drive section between spacing bonnet and electromagnet
Provided with spring, the post-boost phase excircle on the right side of electromagnet is provided with spacing cylindrical, the right side fixed cutting tool of post-boost phase, in pressure-reducing chamber
Differential pressure sensor is provided between operating room, electromagnet is controlled by differential pressure sensor.Usually electromagnet will not start, now in bullet
In the presence of spring, slide bar is to the left against the blade on the right side of slide bar experiences pressure-reducing chamber and work close to diaphragm in differential pressure sensor
When the pressure difference of room reaches rated value, some diaphragms are not overturn also, and now differential pressure sensor sends signal to electromagnet, are started
Electromagnet, because powered phase is arranged on left side, using magnetic material, therefore start electromagnet, the magnetic force of electromagnet will
Powered phase is slided to the right, and then slided to the right with cutter, and then diaphragm is scratched, play a part of insurance, if diaphragm
Can not be spontaneous explosion when, actively rupture disk scratched with regard to electromagnet can be started.
Further, the right-hand member of drive section can ensure drive section in electromagnet in non-in the left side of electromagnet right-hand member
Poised state, when electromagnet starts, drive section is set to have bigger driving trip in electromagnet, and then diaphragm is drawn
It is broken.
Further, electromagnet is fixed in locating ring, and the locating ring is coaxially disposed with venturi, and locating ring passes through radial distribution
Support is fixed in venturi, is easy to fixed electromagnet, while support is without interference with the flowing of air-flow.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The required accompanying drawing used is briefly described in description, it should be apparent that, drawings in the following description are only that this practicality is new
Wherein two width of type, for those of ordinary skill in the art, without having to pay creative labor, can be with root
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the utility model embodiment；
Fig. 2 is the structural representation of rupture disk system；
Fig. 3 is the structural representation of support and locating ring.
Wherein, 1- pressure-reducing chambers, 2- operating rooms, 3- venturis, 4- rupture disk systems, 401- retainer rings, 402- sealing gaskets, 403-
Diaphragm, 404- external screw thread rings, 405- scratch blade, 407- slide bars, 408- electromagnet, 501- locating rings, 502- supports.
Embodiment
Below in conjunction with accompanying drawing, the technical scheme in the utility model is clearly and completely described, it is clear that retouched
The embodiment stated is only preferred embodiment of the present utility model, rather than whole embodiments.Based in the utility model
Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all
Belong to the scope of the utility model protection.
Embodiment
Pressure-reducing chamber 1 and operating room 2, pressure-reducing chamber 1 and operating room 2 is set to use all-steel as shown in figure 1, being distributed including left and right
Pressure vessel, for absorbing or discharging the pressure of the part of operating room 2, and pressure-reducing chamber 1 and operating room 2 are provided with pressure-reducing valve,
Slowly release or increased by the pressure-reducing valve of remaining and atmosphere to realize the pressure release of whole device and pressurization, avoided pair
Personnel outside instrument impact.Differential pressure sensor is provided between pressure-reducing chamber 1 and operating room 2, monitors the He of pressure-reducing chamber 1 in real time
Pressure difference between operating room 2, single-chip microcomputer is set at differential pressure sensor, when pressure difference reaches rated value, and then instruction is sent and carries out
Ensuing operation.
Pressure-reducing chamber 1 is provided with vavuum pump, and for pressure-reducing chamber 1 to be vacuumized, pressure-reducing chamber 1 is connected with operating room 2 by venturi 3,
The side wall of operating room 2 is provided with the connecting hole docked with venturi 3, and the right-hand member of venturi 3 coordinates in connecting hole, on the left of the side wall of operating room 2
The excircle of venturi 3 be provided with projection, the external peripheral threads of venturi 3 on the right side of the side wall of operating room 2 are combined with nut, and nut is by venturi 3
Right-hand member is locked in the side wall of operating room 2, is easy to be dismantled venturi 3 from operating room 2.Venturi 3 be connected with operating room 2 one
Big footpath fixing hole is provided with the port of end, i.e., the inner periphery diameter of big footpath fixing hole is more than the average diameter of venturi 3.The big footpath is fixed
Rupture disk system 4 is set in hole, the rupture disk system 4 includes diaphragm 403 and coordinates the retainer ring 401 in big footpath fixing hole,
Sealing gasket 402 is respectively equipped with the both ends of retainer ring 401, improves overall tightness, diaphragm 403 is arranged in retainer ring 401, Gu
Determining ring 401 includes left retainer ring and right retainer ring, and the right-hand member of left retainer ring is provided with counterbore, and diaphragm 403 is fixed in counterbore, diaphragm
403 arch upward to the side of operating room 2, and the left end circumference of right retainer ring is provided with boss, and the counterbore of left retainer ring is convex with right retainer ring
Platform docks male-female engagement, on the one hand facilitates what diaphragm 403 was changed, while can improve overall sealing.On the right side of retainer ring
The port threads of side venturi 3 are combined with external screw thread ring 404, the external screw thread ring 404 clamper is locked in big footpath fixing hole, it is necessary to
When changing diaphragm 403, directly pull down the can of external screw thread ring 404 and take out retainer ring.In the left side venturi 3 of big footpath fixing hole
Electromagnet 408 is fixed with by radially-arranged support 502, electromagnet 408 is fixed in locating ring 501, the locating ring 501 with
Venturi 3 is coaxially disposed, and locating ring 501 is fixed in venturi 3 by radial distribution support 502, i.e., using support 502 by electromagnet
408 are vacantly arranged in venturi 3, avoid excessive fixed component.Slide bar 407 is axially sliding combined with electromagnet 408, it is sliding
Bar 407 includes the drive section that links together of left and right and post-boost phase, the right-hand member of drive section in the left side of the right-hand member of electromagnet 408, with
Ensure drive section non-equilibrium setting in electromagnet 408.Drive section and post-boost phase use metal using same straight footpath, drive section
Iron material matter, post-boost phase are rubber plastic, and the left end of drive section is provided with spacing bonnet, between spacing bonnet and electromagnet 408
Drive section is provided with spring, and the post-boost phase excircle on the right side of electromagnet 408 is provided with spacing cylindrical, the right side fixation stroke of post-boost phase
Broken blade 405, when usually electromagnet 408 is not actuated, this scratches the blade of blade 405 close to film under the action of the spring
The left side of piece 403.
Preferred embodiment of the present utility model is these are only, it is all in this practicality not to limit the utility model
Within new spirit and principle, any modification, equivalent substitution and improvements made etc., guarantor of the present utility model should be included in
Within the scope of shield.
Claims (6)
1. blast pressurization experimental box, it is characterised in that be distributed including left and right and pressure-reducing chamber and operating room, the pressure-reducing chamber and work are set
Make room and use all-steel pressure vessel, and pressure-reducing chamber and operating room are provided with pressure-reducing valve, and the pressure-reducing chamber is provided with vavuum pump, institute
State pressure-reducing chamber to connect by venturi with operating room, big footpath fixing hole be provided with one end port that the venturi is connected with operating room,
Rupture disk system is set in the big footpath fixing hole, and the rupture disk system includes diaphragm and coordinates the fixation in big footpath fixing hole
Ring, sealing gasket being respectively equipped with the both ends of retainer ring, in retainer ring, diaphragm arches upward the diaphragm arrangement to operating room side,
External screw thread ring is combined with the right side venturi port threads of retainer ring, clamper is locked in big footpath fixing hole by the external screw thread ring
It is interior, it is provided with the left side of retainer ring and scratches blade, the blade of the blade is close on the left of diaphragm.
2. blast pressurization experimental box according to claim 1, it is characterised in that：The retainer ring includes left retainer ring and the right side
Retainer ring, the right-hand member of the left retainer ring are provided with counterbore, and diaphragm is fixed in counterbore, and the left end circumference of the right retainer ring is provided with convex
Platform, the counterbore of left retainer ring dock male-female engagement with the boss of right retainer ring.
3. blast pressurization experimental box according to claim 1, it is characterised in that：Operating room's side wall is provided with and venturi pair
The connecting hole connect, the venturi right-hand member coordinate in connecting hole, and the venturi excircle on the left of operating room's side wall is provided with projection, work
Make the venturi external peripheral threads on the right side of the side wall of room and be combined with nut, venturi right-hand member is locked in operating room's side wall by nut.
4. blast pressurization experimental box according to claim 1, it is characterised in that：Pass through in the left side venturi of big footpath fixing hole
Radially-arranged support is fixed with electromagnet, and slide bar is axially sliding combined with electromagnet, and slide bar includes left and right and is connected to one
The drive section and post-boost phase risen, drive section is magnetic material, and post-boost phase is nonmagnetic substance, the left end of drive section be provided with it is spacing after
Cover, spring is provided with the drive section between spacing bonnet and electromagnet, the post-boost phase excircle on the right side of electromagnet is provided with limit
Cylindrical, the right side fixed cutting tool of the post-boost phase in position, is provided with differential pressure sensor between pressure-reducing chamber and operating room.
5. blast pressurization experimental box according to claim 4, it is characterised in that：The right-hand member of the drive section is right in electromagnet
The left side at end.
6. blast pressurization experimental box according to claim 4, it is characterised in that：The electromagnet is fixed in locating ring,
The locating ring is coaxially disposed with venturi, and locating ring is fixed in venturi by radial distribution support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720594591.9U CN206864061U (en) | 2017-05-25 | 2017-05-25 | Blast pressurization experimental box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720594591.9U CN206864061U (en) | 2017-05-25 | 2017-05-25 | Blast pressurization experimental box |
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| Publication Number | Publication Date |
|---|---|
| CN206864061U true CN206864061U (en) | 2018-01-09 |
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ID=60824994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720594591.9U Active CN206864061U (en) | 2017-05-25 | 2017-05-25 | Blast pressurization experimental box |
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| CN (1) | CN206864061U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106960626A (en) * | 2017-05-25 | 2017-07-18 | 重庆阿泰可科技股份有限公司 | Blast pressurization experimental box |
| CN115571374A (en) * | 2022-10-25 | 2023-01-06 | 航宇救生装备有限公司 | Multi-electrode explosion pressure reduction simulation device |
-
2017
- 2017-05-25 CN CN201720594591.9U patent/CN206864061U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106960626A (en) * | 2017-05-25 | 2017-07-18 | 重庆阿泰可科技股份有限公司 | Blast pressurization experimental box |
| CN115571374A (en) * | 2022-10-25 | 2023-01-06 | 航宇救生装备有限公司 | Multi-electrode explosion pressure reduction simulation device |
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