CN207384650U - Aerosol fire extinguisher explosion venting device based on crumple energy-absorbing - Google Patents
Aerosol fire extinguisher explosion venting device based on crumple energy-absorbing Download PDFInfo
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- CN207384650U CN207384650U CN201721425804.1U CN201721425804U CN207384650U CN 207384650 U CN207384650 U CN 207384650U CN 201721425804 U CN201721425804 U CN 201721425804U CN 207384650 U CN207384650 U CN 207384650U
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- outer barrel
- fire extinguisher
- absorbing
- crumple
- propellant cylinder
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Abstract
The utility model discloses a kind of aerosol fire extinguisher explosion venting device based on crumple energy-absorbing, device part includes outer barrel and the propellant cylinder in outer barrel, the openend of the outer barrel and propellant cylinder is located at homonymy, the outer barrel openend is fixed with sieve plate, the sieve plate outer rim is connected with propellant cylinder openend, crumple piece is equipped between on the inside of the outer barrel closed end and on the outside of propellant cylinder closed end, the outer tube side wall is equipped with escape orifice；In addition the utility model also provides and the corresponding venting of dust explosion method of explosion venting device.
Description
Technical field
The utility model is related to aerosol fire-extinguishing device production field, in particular to a kind of aerosol based on crumple energy-absorbing
Fire extinguisher explosion venting device.
Background technology
As the improvement of people's living standards, security against fire consciousness is also stepping up, all kinds of fire extinguishers, extinguishing device
Demand is growing day by day, and particularly aerosol fire extinguisher is stored with its compact, without pressure, need not be laid with pipe network and maintenance, fire extinguishing
Efficiently, the advantages that nontoxic, safe and reliable, environmentally protective, is widely used, but simultaneously because the rings such as production, transport
Medicament defect caused by section, the phenomenon that detonation occurs on startup so as to cause extinguishing device, happen occasionally, since detonation can wink
When generate substantial amounts of pressure high temperature hot gas, immense pressure is generated within the extremely short time, more than the pressure-resistant pole of extinguishing device in itself
Extinguishing device can be caused to explode in itself after limit, seriously endanger the safety of personnel and equipment in protection zone.Therefore need to research and develop
A kind of safety of effective explosion venting device, the timely venting of dust explosion of energy when deflagration phenomenon occurs, guarantee life and property.
Utility model content
The purpose of this utility model is to overcome above-mentioned deficiency provides a kind of aerosol fire extinguisher based on crumple energy-absorbing and lets out
The safety of quick-fried device, the timely venting of dust explosion of energy when deflagration phenomenon occurs, guarantee life and property.
The utility model is in order to solve the above technical problems, used technical solution is：A kind of gas based on crumple energy-absorbing
The openend of colloidal sol fire extinguisher explosion venting device, the propellant cylinder including outer barrel and in outer barrel, the outer barrel and propellant cylinder
Positioned at homonymy, the outer barrel openend is fixed with sieve plate, and the sieve plate outer rim is connected with propellant cylinder openend, described
Crumple piece is equipped between on the inside of outer barrel closed end and on the outside of propellant cylinder closed end, the outer tube side wall is equipped with escape orifice.
Preferably, the Z-fold plate construction that the crumple piece is integrally formed.
Preferably, the crumple piece is made of three pieces of rectangular plates, and three pieces of rectangular plates to form Z-type by welding or being glued
Structure.
Preferably, the escape orifice is located on the opposite outer tube side wall of propellant cylinder side wall, and escape orifice is close to generation
Agent cylinder openend.
Preferably, the sieve plate is circular plate structure, is fixedly connected by mounting ring with outer barrel openend.
Preferably, the mounting ring（3.1）And outer barrel（1）Screw hole is offered on the side wall of openend.
Preferably, 4 bottom of crumple piece and outer barrel（1）Closed end interior side contacts connect or rigid connection, the crumple
4 top of piece and propellant cylinder（2）Closed end contact outside connects or rigid connection.
In addition in the utility model the aerosol fire extinguisher explosion venting device based on crumple energy-absorbing venting of dust explosion method, including following
Step：
Step 1）：Under normal circumstances in use, the medicament of aerosol fire extinguisher that hot gas is generated after propellant cylinder is lighted is molten
Glue gas, hot aerosol gas pass through the sieve pore of sieve plate and are finally normally spurted from the nozzle of aerosol fire extinguisher, realize fire extinguishing
Process；
Step 2）：When detonation occurs, thermal current is gathered in propellant tube inner chamber during medicament detonation, forms powerful impact
Kinetic energy, reaction force overcome the collapsing structure intensity of crumple piece, by the deformation of crumple piece make propellant cylinder generate displacement into
And so that propellant cylinder is separated with sieve plate, propellant cylinder is moved to the negative direction of thermal current injection direction, and crumple piece is absorbed and disappeared
Consume the recoil kinetic energy of a part of propellant cylinder；
Step 3）：During propellant cylinder moves, the thermal current one releasing out from propellant cylinder openend
Part is released to by escape orifice in the air outside device, and another part is discharged by the sieve pore of sieve plate；
Step 4）：After the completion of thermal current in propellant cylinder is released, propellant cylinder stops movement.
Preferably, the step 1）In, under normal circumstances in use, escape orifice is blocked by propellant cylinder side wall, hot gas
Colloidal sol gas will not be revealed at escape orifice；The step 3）In, after propellant cylinder moves, escape orifice makes generation
It is communicated inside agent cylinder with ambient atmosphere, the thermal current that detonation is formed can be released to by escape orifice in the air outside device.
The utility model has the advantage that as follows compared with prior art：
1st, the utility model provides a kind of simple and effective explosion venting device, and compact-sized simple, reliability is high, installation
It is convenient.
2nd, the explosion venting device of the utility model is being occurred by the efficient combination of sieve plate, propellant cylinder, outer barrel and crumple piece
Agent cylinder makes propellant cylinder generate displacement towards during thermal current injection direction counter motion by the deformation of crumple piece, until
Shift length enough all releases the thermal current in propellant cylinder, while thermal current is released to by escape orifice outside device
In air, effectively high pressure-temperature caused by scattered detonation, avoids the risk that device generates explosion.
3rd, when deflagration phenomenon occurs, the plastic deformation of crumple piece can effectively absorb the kinetic energy of propellant cylinder, so as to right
The impact of propellant cylinder generates buffering effect, effectively consumes portion of energy.
4th, in the prior art, propellant cylinder is fixed compared with outer barrel, when deflagration phenomenon occurs, if merely
Venting of dust explosion process is realized in ground simply by relief hole, ineffective, and when the utility model can be by detonation generate it is huge
An energy part is first converted into the recoil kinetic energy of propellant cylinder, is then absorbed again by the deformation of crumple piece and consumes propellant cylinder
Recoil kinetic energy, and another part energy is then directly discharged by relief hole；This venting of dust explosion mode is more safe efficient.
Description of the drawings
Fig. 1 is a kind of structure diagram of the aerosol fire extinguisher explosion venting device based on crumple energy-absorbing；
Fig. 2 is the structure diagram of crumple piece in Fig. 1；
In figure, outer barrel 1, propellant cylinder 2, sieve plate 3, mounting ring 3.1, crumple piece 4, rectangular plate 4.1, escape orifice 5.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments.
As illustrated in fig. 1 and 2, a kind of aerosol fire extinguisher explosion venting device based on crumple energy-absorbing, including outer barrel 1 and arranged on outer
The openend of propellant cylinder 2 in cylinder 1, the outer barrel 1 and propellant cylinder 2 is located at homonymy, and 1 openend of outer barrel is fixed with
Sieve plate 3,3 outer rim of sieve plate are connected with 2 openend of propellant cylinder, are closed on the inside of 1 closed end of outer barrel with propellant cylinder 2
Crumple piece 4 is equipped between closing on the outside of end, 1 side wall of outer barrel is equipped with escape orifice 5.
Preferably, the Z-fold plate construction that the crumple piece 4 is integrally formed.In the present embodiment, metal plate can be passed through
It is molded as one, suitable structure is selected with specific reference to the detonation pressure data that experiment is drawn.In fire extinguisher normal use, hair
Raw agent cylinder 2 is just fixed by sieve plate 3 and 4 sandwiched of crumple piece, without producing relative sliding, when ensureing fire extinguisher normal use not
Leakage phenomenon can occur, therefore the specific outer barrel 1 of highly desirable basis and propellant cylinder 2 of Z-fold plate construction entirety are high
Size is spent to determine.
Preferably, the crumple piece 4 is made of three pieces of rectangular plates 4.1, and three pieces of rectangular plates 4.1 are by welding or being glued
Form Z-type structure.In the present embodiment, the rectangular plate 4.1 of Z-type structural top and the rectangular plate 4.1 of bottom parallel shape each other
State, rectangular plate 4.1 can directly select steel plate consumptive material, and after being so combined into Z-type structure, modeling can be generated after being impacted
Shape deformation, effectively absorbs energy.
Preferably, the escape orifice 5 is located on opposite 1 side wall of outer barrel of 2 side wall of propellant cylinder, and escape orifice 5 is close
2 openend of propellant cylinder.The setting of 5 position of escape orifice is also more important, and in the present embodiment, under normal circumstances, escape orifice 5 is
It is blocked by 2 side wall of propellant cylinder, such hot aerosol gas will not be revealed at escape orifice 5；And when detonation occurs,
, it is necessary to communicate 2 inside of propellant cylinder and ambient atmosphere by escape orifice 5 in time, detonation is formed after the generation of propellant cylinder 2 is mobile
Thermal current can be released in time by escape orifice 5 in the air outside device.Therefore need to be positioned close to occur by escape orifice 5
The openend of agent cylinder 2 so can not block escape orifice 5 when propellant cylinder 2 moves a small distance, in time detonation be allowed to be formed
Thermal current be released to by escape orifice 5 in the air outside device.
Preferably, the sieve plate 3 is circular plate structure, is fixedly connected by mounting ring 3.1 with 1 openend of outer barrel.
In the present embodiment, outer barrel 1 and propellant cylinder 2 are the columnar structured of open-top, therefore sieve plate 3 are designed as circular hardened
Structure, then 3 periphery of sieve plate the top of outer barrel 1 can be installed to by the mounting ring 3.1 to match with 1 size of outer barrel.
Preferably, the mounting ring（3.1）And outer barrel（1）Screw hole is offered on the side wall of openend.After so designing just
Can entire sieve plate 3 be fixed on by 1 openend of outer barrel by bolt, this mounting means is simple, reliable.
Preferably, 4 bottom of crumple piece and outer barrel（1）Closed end interior side contacts connect or rigid connection, the crumple
4 top of piece and propellant cylinder（2）Closed end contact outside connects or rigid connection.Rigid connection can be used clamping, riveting,
Welding, thread connection, pin connection etc. are fixedly connected, and can also be directly disposed as one.
Preferably, sieve plate 3 can be the structure or split structure with 1 top integral type of outer barrel, specifically with city
Subject to the actual processing situation of field.
A kind of venting of dust explosion method of the aerosol fire extinguisher explosion venting device based on crumple energy-absorbing is also disclosed in the present embodiment, it includes
Following steps：
Step 1）：Under normal circumstances in use, the medicament of aerosol fire extinguisher that hot gas is generated after propellant cylinder 2 is lighted is molten
Glue gas, hot aerosol gas pass through the sieve pore of sieve plate 3 and are finally normally spurted from the nozzle of aerosol fire extinguisher, realize fire extinguishing
Process；
Step 2）：When detonation occurs, thermal current is gathered in 2 inner cavity of propellant cylinder during medicament detonation, forms powerful rush
Kinetic energy is hit, reaction force overcomes the collapsing structure intensity of crumple piece 4, by the deformation of crumple piece 4 propellant cylinder 2 is made to generate position
It moves so that propellant cylinder 2 is separated with sieve plate 3, propellant cylinder 2 is moved to the negative direction of thermal current injection direction, crumple piece 4
Absorb and consume the recoil kinetic energy of a part of propellant cylinder 2；
Step 3）：During propellant cylinder 2 moves, the thermal current releasing out from 2 openend of propellant cylinder
A part is released to by escape orifice 5 in the air outside device, and another part is discharged by the sieve pore of sieve plate 3；
Step 4）：After the completion of thermal current in propellant cylinder 2 is released, propellant cylinder 2 stops movement.
Preferably, the step 1）In, under normal circumstances in use, escape orifice 5 is blocked by 2 side wall of propellant cylinder, heat
Aerosol gas will not be revealed at escape orifice 5；The step 3）In, after propellant cylinder 2 moves, escape orifice 5
Communicate 2 inside of propellant cylinder and ambient atmosphere, the thermal current that detonation is formed can be released to the air outside device by escape orifice 5
In.
In the present embodiment, the normal blowing down pressure of aerosol be 2Mpa, the weight that crumple piece 4 is born be 35kg, crumple piece 4
Do not generate deformation；And aerosol blowing down pressure reaches 5Mpa during detonation, the weight that crumple piece 4 is born is 90kg, the knot of crumple piece 4
Structure generates crumple, and crumple piece 4 generates plastic deformation, absorbs and consume the recoil kinetic energy of a part of propellant cylinder 2.
In addition the explosion venting device of the utility model can also be applied to fixed fire-extinguishing unit or other are molten with Portable gas
On the same or similar explosion type product of glue extinguishing device mechanism or similar occasion.
The above embodiments are only the optimal technical scheme of the utility model, and are not construed as the limit for the utility model
It makes, the feature in embodiment and embodiment in the application in the case where there is no conflict, can be mutually combined.This practicality is new
The protection domain of type should be with the technical solution of claim record, technical characteristic in the technical solution recorded including claim
Equivalents are protection domain.Equivalent substitution i.e. within this range is improved, also the scope of protection of the utility model it
It is interior.
Claims (7)
1. a kind of aerosol fire extinguisher explosion venting device based on crumple energy-absorbing, including outer barrel（1）With arranged on outer barrel（1）Interior generation
Agent cylinder（2）, the outer barrel（1）With propellant cylinder（2）Openend be located at homonymy, it is characterised in that：The outer barrel（1）Openend
It is fixed with sieve plate（3）, the sieve plate（3）Outer rim and propellant cylinder（2）Openend connects, the outer barrel（1）Closed end
Inside and propellant cylinder（2）Crumple piece is equipped between on the outside of closed end（4）, the outer barrel（1）Side wall is equipped with escape orifice（5）.
2. the aerosol fire extinguisher explosion venting device according to claim 1 based on crumple energy-absorbing, it is characterised in that：It is described to burst
Contracting piece（4）The Z-fold plate construction being integrally formed.
3. the aerosol fire extinguisher explosion venting device according to claim 1 based on crumple energy-absorbing, it is characterised in that：It is described to burst
Contracting piece（4）By three pieces of rectangular plates（4.1）Composition, three pieces of rectangular plates（4.1）Z-type structure is formed by welding or being glued.
4. the aerosol fire extinguisher explosion venting device according to claim 1 based on crumple energy-absorbing, it is characterised in that：It is described to let out
Discharge hole（5）Positioned at propellant cylinder（2）The opposite outer barrel of side wall（1）On side wall, and escape orifice（5）Close to propellant cylinder（2）It opens
Mouth end.
5. the aerosol fire extinguisher explosion venting device according to claim 1 based on crumple energy-absorbing, it is characterised in that：The sieve
Plate（3）For circular plate structure, pass through mounting ring（3.1）With outer barrel（1）Openend is fixedly connected.
6. the aerosol fire extinguisher explosion venting device according to claim 5 based on crumple energy-absorbing, it is characterised in that：The peace
Fill ring（3.1）And outer barrel（1）Screw hole is offered on the side wall of openend.
7. the aerosol fire extinguisher explosion venting device according to claim 1 based on crumple energy-absorbing, it is characterised in that：It is described to burst
4 bottom of contracting piece and outer barrel（1）Closed end interior side contacts connect or rigid connection, 4 top of crumple piece and propellant cylinder（2）It closes
Close the connection of end contact outside or rigid connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721425804.1U CN207384650U (en) | 2017-10-31 | 2017-10-31 | Aerosol fire extinguisher explosion venting device based on crumple energy-absorbing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721425804.1U CN207384650U (en) | 2017-10-31 | 2017-10-31 | Aerosol fire extinguisher explosion venting device based on crumple energy-absorbing |
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| Publication Number | Publication Date |
|---|---|
| CN207384650U true CN207384650U (en) | 2018-05-22 |
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|---|---|---|---|
| CN201721425804.1U Active CN207384650U (en) | 2017-10-31 | 2017-10-31 | Aerosol fire extinguisher explosion venting device based on crumple energy-absorbing |
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| CN (1) | CN207384650U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107661588A (en) * | 2017-10-31 | 2018-02-06 | 宜昌及安盾消防科技有限公司 | Aerosol fire extinguisher explosion venting device and venting of dust explosion method based on crumple energy-absorbing |
-
2017
- 2017-10-31 CN CN201721425804.1U patent/CN207384650U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107661588A (en) * | 2017-10-31 | 2018-02-06 | 宜昌及安盾消防科技有限公司 | Aerosol fire extinguisher explosion venting device and venting of dust explosion method based on crumple energy-absorbing |
| CN107661588B (en) * | 2017-10-31 | 2022-12-30 | 湖北及安盾消防科技有限公司 | Explosion venting device and method for aerosol fire extinguisher based on collapse energy absorption |
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