CN216571352U - Rupture disk, explosion suppressor and explosion suppressor assembly - Google Patents
Rupture disk, explosion suppressor and explosion suppressor assembly Download PDFInfo
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- CN216571352U CN216571352U CN202123349051.XU CN202123349051U CN216571352U CN 216571352 U CN216571352 U CN 216571352U CN 202123349051 U CN202123349051 U CN 202123349051U CN 216571352 U CN216571352 U CN 216571352U
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- explosion suppressor
- gas generator
- explosion
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Abstract
The application discloses rupture disk relates to explosion suppressor technical field, including circular shape diaphragm, offers two rupture grooves on the first face of diaphragm, and two rupture grooves are the crisscross form and distribute, and the cross-section of rupture groove is triangle-shaped, and please itself increases the rupture disk's rupture speed through offering the rupture groove to and local pressure when increasing the rupture disk, make the air current can break the rupture disk through the rupture groove fast, reduce rupture disk time, improved explosion suppressor's response speed.
Description
Technical Field
The application relates to the technical field of explosion suppressor devices, in particular to a rupture disc, an explosion suppressor and an explosion suppressor assembly.
Background
The rupture disk is a circular membrane-shaped elastic sensitive element, and when two surfaces of the rupture disk are subjected to different pressures (or forces), the diaphragm moves towards the surface with lower pressure in a strain mode, so that the center of the rupture disk generates displacement which has a certain relation with pressure difference; the explosion suppressor is a device filled with explosion suppressor, and can break the rupture disk in the explosion suppressor by the action of internal pressure so as to release the explosion suppressor.
The rupture speed of the rupture disk has great influence on the explosion suppression response speed, the faster the rupture speed is, the shorter the rupture time is, the faster the response speed of the explosion suppressor is, and even millisecond-level optimization of the response time of the explosion suppressor can greatly guarantee life and property safety in the emergency situation of explosion.
SUMMERY OF THE UTILITY MODEL
The application mainly aims to provide a rupture disk, an explosion suppressor and an explosion suppressor assembly, and aims to solve the problem that the rupture time of the rupture disk is long in the prior art.
The technical scheme adopted by the application is as follows:
the rupture disk comprises a circular diaphragm, wherein two rupture grooves are formed in a first surface of the diaphragm and are distributed in a crossed manner, and the cross sections of the rupture grooves are triangular.
Optionally, the crossing center of the rupture groove is located on the axis of the diaphragm.
Optionally, a plurality of mounting holes are formed in the outer edge of the first surface of the diaphragm.
Optionally, the plurality of mounting holes are distributed in an annular array about the axis of the diaphragm.
Optionally, the groove depth of the rupture groove is 1 mm.
Optionally, the width of the opening of the rupture groove is 1.6 mm.
In addition, in order to achieve the above object, the present application also provides an explosion suppressor, comprising a cylinder, a gas generator, a flange plate and the rupture disk provided by the present application, wherein,
the two ends of the cylinder body are provided with openings;
the first end of the gas generator is sleeved at one end of the cylinder body, the second end of the gas generator extends towards the inside of the cylinder body, and the ignition part of the gas generator is positioned outside the cylinder body;
the flange plate is sleeved at the other end of the cylinder body;
the rupture disk is connected with the second surface of the flange plate and covers the inner ring of the flange plate, and the opening of the rupture groove faces the gas generator;
the inside of the cylinder is filled with explosion suppressant.
Optionally, the gas generator is coaxial with the barrel.
Optionally, the explosion suppressor further comprises a cover body, the cover body covers the first end of the gas generator, and the cover body is provided with a through hole.
In addition, in order to achieve the purpose, the application also provides an explosion suppressor assembly which comprises the explosion suppressor provided by the application and a mounting assembly, wherein the mounting assembly is connected with the explosion suppressor, and the mounting assembly is used for connecting a spray head.
Compared with the prior art, the beneficial effects of this application are:
the embodiment of the application provides a rupture disk, explosion suppressor and explosion suppressor assembly, through set up two rupture grooves that are the cross-shaped distribution on the first face at the rupture disk, the thickness that reduces rupture disk part position changes rupture disk pressure, so that the required time of rupture disk shortens, and through the shape that sets up rupture groove, make its cross-section be triangle-shaped, when rupture disk, rupture disk pressure that the first face of rupture disk received gathers together through rupture groove and gathers to the sharp-pointed tank bottom of rupture groove, increase local pressure makes rupture disk speed promote, and then reduce rupture disk time and reach quick rupture disk purpose.
Drawings
Fig. 1 is a schematic structural diagram of a rupture disk provided in an embodiment of the present application;
FIG. 2 is a schematic cross-sectional view of a rupture groove of a rupture disk according to an embodiment of the present disclosure;
FIG. 3 is a schematic perspective view of a squib suppressor and a squib suppressor assembly according to an embodiment of the present application;
reference numerals in the drawings indicate:
10-membrane, 101-rupture groove, 102-mounting hole, 11-cylinder, 12-gas generator, 121-ignition part, 13-flange, 14-cover body, 141-through hole, 15-assembly component, 151-first flange, 152-conduit, 153-second flange.
Detailed Description
The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that all the directional indications (such as up, down, left, right, front, and rear … …) in the embodiment of the present application are only used to explain the relative position relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indication is changed accordingly.
In this application, unless expressly stated or limited otherwise, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present application, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present application.
Referring to fig. 1 to 3, the present embodiment provides a rupture disk, which includes a membrane 10, two rupture grooves 101 disposed in a cross-like manner on a first surface of the membrane 10, wherein each rupture groove 101 has a triangular cross-section.
In this embodiment, the local thickness of the diaphragm 10 is reduced by forming the rupture groove 101 on the diaphragm 10, when the first surface formed with the rupture groove 101 is subjected to an impact pressure, the impact air flow is collected by the rupture groove 101 with a triangular cross section, the velocity of the impact air flow is increased, the pressure applied to the bottom of the rupture groove 101 is increased, the rupture time of the diaphragm 10 is shortened by a point rupture surface mode on the diaphragm 10, the film rupture time is shortened from 10-15 milliseconds to 1-5 milliseconds, in this embodiment, the distribution of the rupture groove 101 is not further limited, for example, the rupture groove can be an X-shaped cross or a cross-shaped cross, and the rupture groove has a cross part, so that the high-pressure gas can rapidly rupture the diaphragm at the cross part.
In one embodiment, as shown in fig. 1, in order to make the membrane breaking position of the membrane 10 uniform and make the gas flow carry the explosion suppressant to be sprayed uniformly, two breaking grooves 101 are arranged in a cross shape, and the cross center is located on the axis of the membrane 10, when the explosion suppressor is used in cooperation, the circular membrane 10, the cylinder 11 and the gas generator 12 which is approximately cylindrical are all coaxially arranged, so that the uniform and smooth movement of the impact gas flow is ensured, the reaction time of the explosion suppressor can be greatly reduced, and the explosion suppression effect is also improved.
In one embodiment, as shown in fig. 1, in order to stably mount the diaphragm 10 between the flange 13 and the explosion suppressor when the explosion suppressor is used, a plurality of mounting holes 102 are formed at the outer edge of the first surface of the diaphragm 10 to be used in cooperation with the threaded holes on the flange 13, and the mounting holes 102 can limit the displacement of the diaphragm 10 to affect the air tightness and can also play a positioning role when the diaphragm is mounted.
Furthermore, because the flange 13 is mostly a mass-produced part, its shape is more regular, and the screw hole that sets up on it also distributes comparatively evenly, for better cooperation installation, sets up a plurality of mounting holes 102 and is the annular array around the axis of diaphragm 10 and distributes.
In one embodiment, as shown in fig. 2, since the rupture disk belongs to a disposable product, the dimension of the rupture groove 101 is limited to facilitate the processing and facilitate the mass production of the rupture disk, the groove depth of the rupture groove 101 is set to be 1 mm, the opening width of the rupture groove 101 is 1.6 mm, and as the above dimension is the requirement specification of the rupture disk matching most explosion suppression situations, if it is desired to change the requirements to adapt to other different situations, the larger the groove depth is, the faster the rupture disk is, the larger the opening width of the groove is, the faster the rupture disk is, and the processing and adjustment can be performed according to the actual requirements.
Based on the same inventive concept as the previous embodiment, the present embodiment further provides an explosion suppressor, as shown in fig. 3, including a cylinder 11, a gas generator 12, a flange 13 and a rupture disk provided by the present embodiment, wherein two ends of the cylinder 11 are provided with openings, a first end of the gas generator 12 is sleeved on one end of the cylinder 11 for closing the end of the cylinder 11, a portion of the gas generator 12 near the first end is enlarged in size to match an inner diameter of the cylinder 11 for completing a fitting seal, a second end of the gas generator 12 extends into the cylinder 11, the first end of the gas generator 12 is an end where an ignition portion 121 is located, and the other end is a second end of the gas generator, after the cylinder 11 is sleeved, the gas generator 12 is located inside the cylinder 11, and the ignition portion 121 is located outside the cylinder 11, so as to facilitate detecting and triggering the gas generator 12, the flange 13 is sleeved on the other end of the cylinder 11, the rupture disk is connected with the second surface of the flange plate 13 through the first surface provided with the rupture groove 101, the second surface of the flange plate 13 is the surface far away from the gas generator 12 and covers the inner ring of the flange plate 13, so that one end of the gas generator 12 of the cylinder 11 is also closed, the sealing performance of the explosion suppressor is ensured, the opening of the rupture groove 101 faces to the gas generator 12, the explosion suppressor can be impacted when in explosion suppression, and the rest space in the cylinder 11 is filled with an explosion suppressor which is a solid, liquid or gaseous fire extinguishing medium directly acting on flame, such as foam extinguishing agent, dry powder extinguishing agent and the like.
The working principle is as follows: the gas generator 12, as a driving means for suppressing explosion, should be understood to generally include an ignition portion for igniting the ignition charge, which is a charge having a relatively high sensitivity and a relatively slow burning rate, and a primer gas generating charge which is ignited to ignite the gas generating charge, which is a charge having a relatively low sensitivity and a relatively fast burning rate, and which generates a large amount of high-temperature and high-pressure gas after being ignited, thereby driving the explosion suppressant to spray, the gas generator is required to be in signal connection with the controller when in actual use, the controller analyzes and processes received related signals of the spark detector, the odor detector and the like, and whether the explosion suppressor needs to be started under the field condition is determined according to the signals, and when the explosion suppressor needs to be started, the gas generator 12 is triggered through the ignition part 121 to quickly generate high-speed gas to push the explosion suppressor, and the explosion suppression piece is burst to be sprayed to a working face.
In one embodiment, as shown in fig. 1, the gas generator 12 and the cylinder 11 are both cylindrical or approximately cylindrical in overall shape, and in order to ensure uniform impact of the high-speed gas flow ejected from the gas generator 12, and uniform pressure is applied to the side wall of the cylinder 11, so that the explosion suppressant after rupture of the membrane is ejected with uniform coverage, and good explosion suppression effect is achieved, the gas generator 12 and the cylinder 11 are arranged coaxially.
In one embodiment, as shown in fig. 1, in order to protect the ignition portion 121 of the gas generator 12, it is necessary to take account of the signal receiving, trigger detection and safety performance, so that it cannot be exposed to the outside completely, and thus it may cause false start, a cover 14 is provided for the explosion suppressor, the cover 14 may be connected to the barrel 11, and may also be connected to the first end of the gas generator 12, and may be covered and protected, because the material of the cover 14 is not limited, in order to avoid that some materials may easily block signal transmission and affect the explosion suppression reaction time, a through hole 141 is provided on the cover 14 to avoid signal shielding, the connection mode of the cover 14 may be clamping, the first end of the gas generator 12 is provided with a matching portion for clamping with the cover 14 to achieve matching, and may also be threaded connection, threads may be designed on the gas generator 12 or on the barrel 11 as required, and may be capable of realizing that the cover 14 may be detached to facilitate maintenance, when the cover 14 is arranged on the barrel 11, the cover 14 is in a sleeve shape with one open end and one closed end, so that the overall appearance of the explosion suppressor is uniform after the cover 14 is installed.
Based on the same inventive concept as the previous embodiment, the embodiment of the present application further provides an explosion suppressor assembly, which comprises the explosion suppressor provided by the embodiment of the present application and an assembly component 15, wherein the assembly component 15 is connected with the explosion suppressor and is used for connecting an injection head, and the gas explosion suppressor has good flow diffusion capacity, so that additional atomization treatment is not required, and the injection head is used for guiding the flow of the injected explosion suppressor; aiming at the liquid explosion suppressant, the liquid explosion suppressant needs to be atomized, small holes for atomization can be properly arranged on the spray head to increase the flow diffusion capacity of the explosion suppressant, the structure of the assembly component 15 is shown in the attached drawing 1, the assembly component can comprise a first flange 151, the first flange 151 is connected with a flange 13 in a bolt fit mode, the first flange 151 can be used for being connected with the spray head, the stability of a connecting part is high, the assembly component 15 can further comprise a guide pipe 152 and a second flange 153, one section of transition guide is carried out on the sprayed air flow through the increase of the guide pipe 152, the spray head is connected at the position of the second flange 153, the spraying state of the assembly component is stable compared with that the spray head is arranged in the barrel body 11, and a plurality of uniformly distributed spray holes are formed in the spray head to optimize the spray effect.
In summary, according to the rupture disk, the explosion suppressor and the explosion suppressor assembly provided by the embodiment of the application, the rupture groove 101 with the triangular cross section is formed in the diaphragm 10, so that the membrane rupture speed of the rupture disk during explosion suppression can be increased, the membrane rupture time can be shortened, and the response time of the explosion suppressor can be shortened.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (10)
1. The rupture disk is characterized by comprising a circular diaphragm, wherein two rupture grooves are formed in the first surface of the diaphragm and are distributed in a crossed manner, and the cross sections of the rupture grooves are triangular.
2. The rupture disc according to claim 1, wherein the crossing center of the rupture groove is located on the axis of the diaphragm.
3. The rupture disc according to claim 1, wherein a plurality of mounting holes are provided at an outer edge portion of the first face of the diaphragm.
4. The rupture disc according to claim 3, wherein a plurality of said mounting holes are distributed in an annular array about the axis of the diaphragm.
5. The rupture disc according to claim 1, wherein the groove depth of the rupture groove is 1 mm.
6. The rupture disc according to claim 1, wherein the opening width of the rupture groove is 1.6 mm.
7. An explosion suppressor comprising a cylinder, a gas generator, a flange, and a rupture disk as set forth in any one of claims 1 to 6,
the two ends of the cylinder are provided with openings;
the first end of the gas generator is sleeved at one end of the cylinder body, the second end of the gas generator extends towards the inside of the cylinder body, and the ignition part of the gas generator is positioned outside the cylinder body;
the flange plate is sleeved at the other end of the cylinder body;
the rupture disk is connected with the second surface of the flange plate and covers the inner ring of the flange plate, and the opening of the rupture groove faces the gas generator;
and an explosion suppressant is filled in the cylinder body.
8. An explosion suppressor according to claim 7, wherein said gas generator is coaxial with said barrel.
9. An explosion suppressor according to claim 7 further comprising a cover covering the first end of the gas generator, the cover having a through hole.
10. An explosion suppressor assembly, comprising an explosion suppressor according to any one of claims 7 to 9 and a mounting member connected to the explosion suppressor, the mounting member being adapted to be connected to a spray head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123349051.XU CN216571352U (en) | 2021-12-28 | 2021-12-28 | Rupture disk, explosion suppressor and explosion suppressor assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123349051.XU CN216571352U (en) | 2021-12-28 | 2021-12-28 | Rupture disk, explosion suppressor and explosion suppressor assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216571352U true CN216571352U (en) | 2022-05-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123349051.XU Active CN216571352U (en) | 2021-12-28 | 2021-12-28 | Rupture disk, explosion suppressor and explosion suppressor assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216571352U (en) |
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2021
- 2021-12-28 CN CN202123349051.XU patent/CN216571352U/en active Active
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