CN210660346U - Low-cost practical fire extinguishing bomb power device ignition system - Google Patents
Low-cost practical fire extinguishing bomb power device ignition system Download PDFInfo
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- CN210660346U CN210660346U CN201921920316.7U CN201921920316U CN210660346U CN 210660346 U CN210660346 U CN 210660346U CN 201921920316 U CN201921920316 U CN 201921920316U CN 210660346 U CN210660346 U CN 210660346U
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- spray tube
- ignition
- combustion chamber
- fire extinguishing
- ignition system
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Abstract
The utility model discloses a low-cost practical fire extinguishing bomb power device ignition system, including detachable fixed connection's combustion chamber and spray tube, setting up the ignition device between combustion chamber and spray tube are inside, detachable is fixed with the spray tube blanking cover on the ignition device, the link of spray tube blanking cover outer lane detachable connection between combustion chamber and spray tube for the spray tube blanking cover can cover the space between ignition device and the spray tube inner wall, still prefabricated round annular shear ring on the spray tube blanking cover, just the fracture force of annular shear ring is less than the jet power of gas flow. The application provides a design that can break away from the mode of breaking away from of ignition has abandoned the conventionality and has adopted plug connection ignition system that can break away from, has cancelled the connected mode that conventional ignition system need the unblock to break away from, saves the mechanical action that complicated plug drops, and connection structure is simple and practical, can reduce system cost by a wide margin.
Description
Technical Field
The utility model belongs to the technical field of unmanned aerial vehicle puts out a fire, especially, relate to a low-cost practical fire extinguishing bomb power device ignition system.
Background
In recent years, along with frequent urban high-rise fires, forest fires are continuous, fire extinguishment and rescue difficulties of high-rise buildings are well-known worldwide problems, and the traditional fire extinguishing mode has large limitation on fire extinguishing means and low efficiency particularly for the high-rise fires. Therefore, with the progress of unmanned aerial vehicles and artificial intelligence systems, the great advantages of the fire extinguishing system for the unmanned aerial vehicles are gradually shown. Not smooth in the road, under the condition of traffic interruption, carry unmanned aerial vehicle to the disaster accident scene, it is simple to utilize unmanned aerial vehicle to take off the condition, does not have the requirement to the topography, and unmanned aerial vehicle carries the fire extinguishing bomb and can directly fly to the high building point of fire transmission fire extinguishing bomb and put out a fire. There is a great flexibility.
In consideration of competition, the low price is a prerequisite index for developing an unmanned aerial vehicle fire extinguishing system, a rocket engine of the fire extinguishing bomb accounts for the big end of the total cost of the fire extinguishing bomb, a conventional ignition system of the rocket engine needs an unlocking and separating connection mode, the cost needed by the separating mode is often high, and the separating process is complex.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a following technical scheme realizes:
the utility model provides a practical fire extinguishing bullet power device ignition system of low cost, includes detachable fixed connection's combustion chamber and spray tube, sets up the ignition utensil between combustion chamber and spray tube inside, detachable is fixed with the spray tube blanking cap on the ignition utensil, the link of spray tube blanking cap outer lane detachable connection between combustion chamber and spray tube for the spray tube blanking cap can cover the space between ignition utensil and the spray tube inner wall, the spray tube blanking cap is last still prefabricated round annular shear ring, just the fracture power of annular shear ring is less than the jet power of gas stream.
Optionally, threaded connection between combustion chamber and the spray tube, just the combustion chamber connection end is equipped with first step, spray tube blanking cover outer lane is taken on first step, and revolves the position that the extrusion force realized spray tube blanking cover outer lane soon between combustion chamber and the spray tube and fix.
Optionally, the rear end of the ignition device is provided with a second step, the inner ring of the nozzle blocking cover is sleeved on the second step, the rear end of the ignition device is in threaded connection with a spare cap, and the nozzle blocking cover is fixed in position through extrusion force between the spare cap and the rear end of the ignition device.
Optionally, the annular shear ring has a depth of 0.5 mm.
Optionally, the annular shear ring is made of metal aluminum.
Compared with the prior art, the utility model discloses following profitable technological effect has:
(1) this application is through adding the spray tube blanking cover that supports fixed action between traditional ignition tool and spray tube inner wall, and prefabricated annular shear ring on the spray tube blanking cover, after the engine ignition, the gas stream sprays backward, because the fracture force of annular shear ring is less than the jet power that the gas flows, therefore the ignition tool can be smoothly along with the direct blowout bullet of gas outside, the design that conventional adoption can break away from the plug connection ignition system has been abandoned to the mode that breaks away from of this kind of ignition tool, the connected mode that conventional ignition system need the unblock to break away from has been cancelled, save the mechanical action that complicated plug drops, and connection structure is simple and practical, can reduce system cost by a wide margin.
(2) This application is through with threaded connection between combustion chamber and the spray tube, and will ignite utensil rear end threaded connection and be equipped with the cap to with the interior outer lane zonulae occludens of spray tube on the second step of ignition utensil rear end and the first step of combustion chamber end, thereby realize the detachable mounting means of spray tube blanking cap, make the installation of spray tube blanking cap more convenient.
Drawings
FIG. 1 is a schematic view of the present invention in a partial cross-sectional structure;
fig. 2 is the utility model discloses a spray tube blanking cover looks sideways at the structural schematic diagram.
Description of the reference numerals
In the figure: 1, a combustion chamber; 2, spraying a pipe; 3, igniting the igniter; 4, blocking the spray pipe; 5, preparing a cap; 6 a second step; 7, an annular shearing ring; 8 first step.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-2, a practical fire extinguishing bomb power device ignition system of low cost, including detachable fixed connection's combustion chamber 1 and spray tube 2, set up ignition 3 between combustion chamber 1 and spray tube 2 inside, detachable is fixed with spray tube blanking cap 4 on the ignition 3, the link of spray tube blanking cap 4 outer lane detachable connection between combustion chamber 1 and spray tube 2 for spray tube blanking cap 4 can cover the space between ignition 3 and the inner wall of spray tube 2, still prefabricated round annular shear ring 7 on the spray tube blanking cap 4, just annular shear ring 7's breaking force is less than the jet force of gas stream.
Through adding the spray tube blanking cover 4 that supports fixed action between traditional ignition tool 3 and 2 inner walls of spray tube, and prefabricated annular shear ring on the spray tube blanking cover, after the engine ignition, the gas stream sprays backward, because annular shear ring 7's fracture force is less than the jet power that the gas flows, therefore the ignition tool can be smoothly outside the direct blowout bullet of gas, the design that conventional adoption plug connection ignition system can break away from has been abandoned to this kind of ignition tool 3's mode of breaking away from, the connected mode that conventional ignition system needs the unblock to break away from has been cancelled, and connection structure is simple and practical, can reduce system cost by a wide margin.
Specifically, the combustion chamber 1 and the nozzle pipe 2 are in threaded connection, a first step 8 is arranged at the connecting end of the combustion chamber 1, the outer ring of the nozzle pipe blocking cover 4 is lapped on the first step 8, and the position of the outer ring of the nozzle pipe blocking cover 4 is fixed by screwing extrusion force between the combustion chamber 1 and the nozzle pipe 2;
more specifically, 3 rear ends of ignition utensil are provided with second step 6, 4 inner circles of spray tube blanking cap cover are overlapped on second step 6, just 3 rear end threaded connection of ignition utensil has and is equipped with cap 5, spray tube blanking cap 4 realizes the rigidity through being equipped with between cap 5 and the 3 rear ends of ignition utensil the extrusion force.
Through with threaded connection between combustion chamber 1 and the spray tube 2, and will ignite 3 rear end threaded connection spare caps 5 of utensil to with the interior outer lane zonulae occludens of spray tube 4 on the second step 6 of 3 rear ends of ignition utensil and the first step 8 of 1 end of combustion chamber, thereby realize the detachable mounting means of spray tube blanking cap 4, make the installation of spray tube blanking cap 4 more convenient.
Further, in order to make the breaking force of the annular shear ring 7 moderate and not affect its normal fixing action, the depth of the annular shear ring 7 is set to 0.5 mm.
Furthermore, in order to meet the use strength of the annular shear ring 7, the material of the annular shear ring 7 may be selected from a corresponding grade of metal aluminum according to the specific situation, or may be selected from other materials meeting the use strength.
The embodiments given above are preferred examples for implementing the present invention, and the present invention is not limited to the above-described embodiments. Any non-essential addition and replacement made by the technical features of the technical solution of the present invention by those skilled in the art all belong to the protection scope of the present invention.
Claims (5)
1. A practical fire extinguishing bomb power device ignition system of low cost which characterized in that: including detachable fixed connection's combustion chamber (1) and spray tube (2), set up ignition utensil (3) between combustion chamber (1) and spray tube (2) inside, detachable is fixed with spray tube blanking cap (4) on ignition utensil (3), the link of spray tube blanking cap (4) outer lane detachable connection between combustion chamber (1) and spray tube (2) for spray tube blanking cap (4) can cover the space between ignition utensil (3) and spray tube (2) inner wall, still prefabricated round annular shear ring (7) on spray tube blanking cap (4), just the breaking force of annular shear ring (7) is less than the jet force of gas stream.
2. A low cost utility fire extinguishing bomb power unit ignition system as defined in claim 1 and further comprising: threaded connection between combustion chamber (1) and spray tube (2), just combustion chamber (1) connection end is equipped with first step (8), spray tube blanking cover (4) outer lane is taken on first step (8), and revolves the position fixation who revolves the extrusion force realization spray tube blanking cover (4) outer lane between through combustion chamber (1) and spray tube (2).
3. A low cost utility fire extinguishing bomb power unit ignition system as defined in claim 1 and further comprising: ignition utensil (3) rear end is provided with second step (6), spray tube blanking cover (4) inner circle cover is on second step (6), just ignition utensil (3) rear end threaded connection has and prepares cap (5), spray tube blanking cover (4) realize the rigidity through preparing between cap (5) and ignition utensil (3) the rear end extrusion force.
4. A low cost utility fire extinguishing bomb power unit ignition system as defined in claim 1 and further comprising: the depth of the annular shearing ring (7) is 0.5 mm.
5. A low cost utility fire extinguishing bomb power unit ignition system as defined in claim 1 and further comprising: the annular shearing ring (7) is made of metal aluminum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921920316.7U CN210660346U (en) | 2019-11-08 | 2019-11-08 | Low-cost practical fire extinguishing bomb power device ignition system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921920316.7U CN210660346U (en) | 2019-11-08 | 2019-11-08 | Low-cost practical fire extinguishing bomb power device ignition system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210660346U true CN210660346U (en) | 2020-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921920316.7U Expired - Fee Related CN210660346U (en) | 2019-11-08 | 2019-11-08 | Low-cost practical fire extinguishing bomb power device ignition system |
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| CN (1) | CN210660346U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110761918A (en) * | 2019-11-08 | 2020-02-07 | 猫头鹰安防科技有限公司 | Low-cost practical fire extinguishing bomb power device ignition system |
-
2019
- 2019-11-08 CN CN201921920316.7U patent/CN210660346U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110761918A (en) * | 2019-11-08 | 2020-02-07 | 猫头鹰安防科技有限公司 | Low-cost practical fire extinguishing bomb power device ignition system |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200602 Termination date: 20211108 |
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| CF01 | Termination of patent right due to non-payment of annual fee |