CN113819812B - Oxyhydrogen salute device - Google Patents
Oxyhydrogen salute device Download PDFInfo
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- CN113819812B CN113819812B CN202111155611.XA CN202111155611A CN113819812B CN 113819812 B CN113819812 B CN 113819812B CN 202111155611 A CN202111155611 A CN 202111155611A CN 113819812 B CN113819812 B CN 113819812B
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- Prior art keywords
- cylinder
- explosion
- proof
- air
- oxyhydrogen
- Prior art date
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- 239000007789 gas Substances 0.000 claims description 51
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 16
- 229910052782 aluminium Inorganic materials 0.000 claims description 16
- 238000004880 explosion Methods 0.000 claims description 11
- 239000001257 hydrogen Substances 0.000 claims description 8
- 229910052739 hydrogen Inorganic materials 0.000 claims description 8
- 229910001220 stainless steel Inorganic materials 0.000 claims description 8
- 239000010935 stainless steel Substances 0.000 claims description 8
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 238000010892 electric spark Methods 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 238000009423 ventilation Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims 1
- 238000002485 combustion reaction Methods 0.000 abstract description 6
- 238000004200 deflagration Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000005868 electrolysis reaction Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000003721 gunpowder Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B4/00—Fireworks, i.e. pyrotechnic devices for amusement, display, illumination or signal purposes
- F42B4/18—Simulations, e.g. pine cone, house that is destroyed, warship, volcano
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention provides an oxyhydrogen salute device which comprises an explosion-proof cylinder, wherein the top of the explosion-proof cylinder is provided with an opening, an explosion-proof cylinder base, an air cylinder and an air duct are arranged in the explosion-proof cylinder base, vent holes for introducing oxyhydrogen mixed gas are formed in the explosion-proof cylinder base, two ends of the air cylinder are respectively provided with an opening and a closing, the opening end of the air cylinder is arranged at a position right above the explosion-proof cylinder base, one end of the air duct is connected with the vent holes, and the other end of the air duct is arranged in the air cylinder; an ignition device is arranged on the cylinder wall of the air cylinder; the invention utilizes the characteristic of high combustion speed of oxyhydrogen mixed gas, can produce deflagration and emit high-frequency vibration and brittleness sound instantly, and simultaneously the gas after combustion rapidly expands to push out a pipe orifice colored ribbon so as to lead the colored ribbon to fly in high altitude, thereby being pollution-free, safe and reliable.
Description
Technical Field
The invention relates to the technical field of hydrogen energy use, in particular to an oxyhydrogen salute device.
Background
The festival festivals can be increased by setting off fireworks and crackers in general units, families or individuals in the traditional festival festivals, the used products are generally dangerous products such as gunpowder products, a pressure container gas storage tank and the like, the traditional salva not only can generate the problem of environmental pollution, but also can generate serious potential safety hazards in production, transportation, storage accumulation and explosion moment, a great amount of casualties and property loss are caused by the explosion, fire and the like of the products each year, and sulfur dioxide generated after the explosion causes serious environmental pollution.
The invention with the application number 201910689479.7 discloses an electronic salute, which generates detonating by igniting oxyhydrogen mixed gas, but the ignition position of the electronic salute is positioned at the bottom of a light cylinder, hydrogen in the structure is lighter and easy to volatilize and floats on the upper half part, when the ignition position is ignited, no flammable or combustible gas does not meet the requirement, the ignition power can be influenced, and an electrolysis device is not integrated with the salute, and the electronic salute is not achieved from the aspect of portable household appliances.
Disclosure of Invention
The invention aims to provide an oxyhydrogen salute device which is pollution-free, safe, reliable and high in ignition success rate.
The invention provides the following technical scheme:
An oxyhydrogen salute device comprises
The explosion-proof cylinder is provided with an open top and internally provided with an explosion-proof cylinder base, an air cylinder and an air duct, wherein the explosion-proof cylinder base is internally provided with an air vent for introducing oxyhydrogen mixed gas, the air cylinder is a cylinder with one end being provided with an opening and the other end being provided with a closed structure, the open end of the air cylinder is arranged at a position right above the explosion-proof cylinder base, one end of the air duct is connected with the air vent, and the other end of the air duct is arranged in the air cylinder; the side wall of the air cylinder is provided with an ignition device;
the explosion-proof cylinder comprises an upper cylinder body, wherein two ends of the upper cylinder body are arranged in an open mode, the bottom of the upper cylinder body is covered on the top of the explosion-proof cylinder body, an accommodating cylinder body is arranged in the top of the upper cylinder body, and air holes are formed in the bottom of the accommodating cylinder body.
Preferably, the explosion-proof cylinder base is a cone, and is arranged on the bottom wall of the explosion-proof cylinder, and the opening end of the air storage cylinder is positioned right above the cone of the explosion-proof cylinder base.
Preferably, the device further comprises a hydrogen-oxygen generator, wherein the hydrogen-oxygen generator is connected with the vent hole through a pipeline, and a one-way valve is arranged on the pipeline.
Preferably, the explosion-proof hydrogen generator further comprises an explosion-proof bottom plate, wherein the explosion-proof bottom plate is fixed at the bottom of the explosion-proof cylinder, and the top of the hydrogen-oxygen generator is fixed with the bottom surface of the explosion-proof bottom plate.
Preferably, the explosion-proof air cylinder further comprises an explosion-proof aluminum plate parallel to the bottom wall of the explosion-proof cylinder, wherein the bottom wall of the explosion-proof aluminum plate is in contact with the top of the air cylinder, and the explosion-proof aluminum plate is in a cross shape.
Preferably, the ignition device is a pulse igniter, which is arranged on the closed end or the side wall of the air storage cylinder, and the fire arc part of the pulse igniter is arranged inside the air storage cylinder, and generates an electric spark to ignite the oxyhydrogen mixed gas inside the air storage cylinder after the pulse igniter is electrified.
Preferably, the explosion-proof device comprises a fixing bracket for fixing the air cylinder in the explosion-proof cylinder, wherein the horizontal section of the fixing bracket is cross-shaped, and the fixing bracket is fixedly connected with the air cylinder and the explosion-proof cylinder in a welding mode.
Preferably, the upper cylinder body is a smooth wall pipe, and the explosion-proof cylinder is an aluminum pipe; the horizontal sections of the upper cylinder body and the explosion-proof cylinder are round or polygonal.
Preferably, the explosion-proof cylinder is a stainless steel cylinder with the outer diameter of 64mm, the inner diameter of 60mm and the height of 250 mm;
the air cylinder is a stainless steel cylinder with the outer diameter of 45mm, the inner diameter of 40mm and the height of 150 mm;
the cone angle of the explosion-proof cylinder base is 10-80 degrees;
The air duct is a steel pipe with an inner diameter of 3mm and a length of 130 mm.
The oxyhydrogen salute device is formed by combining the oxyhydrogen salute devices.
The beneficial effects of the invention are as follows: the invention utilizes the electrolytic water of the battery to produce oxyhydrogen gas, ignites in a semi-sealed container, utilizes the characteristic of high combustion speed of oxyhydrogen mixed gas, can controllably produce deflagration to emit high-frequency and crisp sound instantly, and simultaneously the gas after combustion rapidly expands to push out the color ribbon at the pipe orifice, so that the color ribbon flies in high air, thereby achieving double effects of hearing and vision, and being pollution-free, safe and reliable; one end of the air duct is led into the air storage cylinder, and the top of the air storage cylinder is in a closed arrangement, so that even a small amount of air floats in the air storage cylinder, and the ignition success rate is increased; the gas storage cylinder and the explosion-proof cylinder are in an open form, so that the explosion-proof cylinder base can fully push the gas explosion air flow out of the pipe orifice.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of a second embodiment of the present invention;
FIG. 3 is a schematic view of an explosion proof panel structure of the present invention;
FIG. 4 is a schematic diagram of a third embodiment of the present invention;
Marked in the figure as: 1. an explosion-proof cylinder; 2. an air cylinder; 3. a fixed bracket; 4. an explosion-proof cylinder base; 5. a vent hole; 6. an explosion-proof bottom plate; 7. an air duct; 8. a pulse igniter; 9. an upper cylinder; 10. a colored ribbon; 11. a gas storage chamber; 12. a oxyhydrogen generator; 13. a battery; 14. a control board; 15. an explosion-proof aluminum plate; 16. a one-way valve.
Detailed Description
As shown in figure 1, the oxyhydrogen salute device comprises an explosion-proof cylinder 1 and an upper cylinder 9.
The top of the explosion-proof cylinder 1 is provided with an opening, and is internally provided with an explosion-proof cylinder base 4, an air cylinder 2 and an air duct 7.
The explosion-proof cylinder base 4 is internally provided with a vent hole 5 for introducing the oxyhydrogen gas mixture, the explosion-proof cylinder base 4 is in a cone shape and is arranged on the bottom wall of the explosion-proof cylinder 1, wherein the purposes or intentions of the invention can be met as long as the explosion-proof cylinder base 4 is fixed at the bottom of the explosion-proof cylinder 1 through various modes such as welding, bolts or threaded fixation, and in the embodiment, the explosion-proof cylinder base 4 and the explosion-proof cylinder 1 are fixed through threaded connection.
The open end of the gas storage cylinder 2 is positioned right above the cone of the explosion-proof cylinder base 4, the cone angle of the explosion-proof cylinder base 4 is 10 degrees to 80 degrees, when the gas is ignited in the gas storage chamber 11 of the gas storage cylinder 2, the inclined surface is utilized to fully push the deflagrated and expanded gas to the outlet of the upper cylinder 9 with sound extension.
The air reservoir 2 is a cylinder with one end being open and the other end being closed, the open end of the air reservoir 2 is arranged right above the explosion-proof cylinder base 4, the air reservoir 2 is fixed on the explosion-proof cylinder 1, the fixing means that the air reservoir 2 is fixed in the explosion-proof cylinder 1 by welding, bolts or threads, and the like, and the purpose or intention of the invention is met.
One end of the air duct 7 is connected with the vent hole 5, the other end of the air duct 7 is arranged in the air storage cylinder 2, and the air duct 7 is used for gently guiding oxyhydrogen gas into the air storage chamber 11 of the air storage cylinder 2 from the vent hole 5; the side wall of the air cylinder 2 is provided with an ignition device.
In this embodiment, the gas receiver 2 is fixed inside explosion-proof cylinder 1 through fixed bolster 3, and fixed bolster 3 horizontal cross section is the cross, and fixed bolster 3 adopts welded mode and gas receiver 2 and explosion-proof cylinder 1 fixed connection, can effectively stabilize the use of fixed gas receiver 2 device, and the cross setting makes it can not block the air current.
The ignition device is a pulse igniter 8 which is arranged on the closed end or the side wall of the air cylinder 2, a fire arc part of the pulse igniter 8 is arranged inside the air cylinder 2, and electric sparks are generated after the pulse igniter is electrified to ignite oxyhydrogen mixed gas inside the air cylinder 2, wherein the top is preferable for the installation of the ignition device, and hydrogen is lighter and is easy to float at the top position of the air cylinder, so that the ignition device is arranged at the top, and the ignition accuracy is greatly improved.
The two ends of the upper cylinder body 9 are arranged in an open way, the bottom of the upper cylinder body 9 is covered at the top of the explosion-proof cylinder 1, the accommodating cylinder body is arranged in the top of the upper cylinder body 9, and ventilation holes are formed in the bottom of the accommodating cylinder body and used for ventilation.
The invention utilizes the battery 13 to electrolyze water to produce oxyhydrogen gas, ignition is carried out in a semi-sealed container, the characteristic of high combustion speed of oxyhydrogen mixed gas is utilized, high-frequency crisp sound is emitted in a controllable moment when deflagration is generated, meanwhile, after combustion, the gas rapidly expands to push out the pipe orifice colored ribbon 10, so that the colored ribbon 10 flies in high air, the dual effects of hearing and vision are achieved, and the invention has no pollution, safety and reliability; one end of the air duct 7 is led into the air reservoir 2, and the top of the air reservoir 2 is arranged in a closed way, so that even a small amount of air floats in the air reservoir 2, and the ignition success rate is increased; the gas storage cylinder 2 and the explosion-proof cylinder 1 are in an open form, so that the explosion-proof cylinder base 4 can fully push the explosion-gas flow out of the pipe orifice.
Example two
As shown in fig. 2-3, compared with the first embodiment, the present embodiment further includes an explosion-proof aluminum plate 15, a oxyhydrogen generator 12, and an explosion-proof bottom plate 6.
The bottom wall of the explosion-proof aluminum plate 15 is contacted with the top of the air cylinder 2, and the explosion-proof aluminum plate 15 is in a cross shape.
The oxyhydrogen generator 12 is connected with the vent hole 5 through a pipeline, and a one-way valve 16 is arranged on the pipeline to prevent the serial firing among a plurality of barrels from being detonated. The explosion-proof bottom plate 6 is fixed at the bottom of the explosion-proof cylinder 1, the top of the oxyhydrogen generator 12 is fixed with the bottom surface of the explosion-proof bottom plate 6, wherein the explosion-proof bottom plate 6 is used for bearing the vibration isolation of the upper semi-deflagration part and the lower electrolysis gas production part, the bottom plate can be made of an aluminum plate, has an explosion-proof function and is light in weight, and the impact of the upper semi-part on the gas production electrolysis unit can be effectively blocked.
The usage principle of the oxyhydrogen salute device is as follows:
The specific gravity characteristics of the oxyhydrogen mixed gas and air are utilized, the oxyhydrogen gas mixed in proportion enters the vent hole 5 through the one-way valve, the mixed gas is collected in the gas storage space inside the gas storage cylinder 2 in a short time through the gas guide pipe 7, after the electric spark generated after the pulse igniter 8 is electrified ignites the oxyhydrogen mixed gas in the gas storage cylinder 2, the oxyhydrogen burns and explodes, the gas volume instantaneously expands to emit high-decibel (110-120 dB) brittle sounds, meanwhile, the explosive gas impacts the conical inclined plane on the explosion-proof cylinder base 4 through the bottom outlet of the gas storage cylinder 2 and then enters the space between the explosion-proof cylinder 1 and the gas storage cylinder 2, the combustion gas is flushed out of the top outlet of the explosion-proof cylinder 1 under a certain pressure, in the embodiment, the upper cylinder 9 is used for storing color papers or color belts 10, and then the upper cylinder 9 sprays the color papers out at a certain speed, and the sound and visual effect of the explosion of the firecrackers are achieved.
In this embodiment, the oxyhydrogen gun device and the oxyhydrogen generator 12 are integrated with a power supply, a gas generating indicator lamp and a standby indicator lamp, and are mutually associated and interlocked (for example, when gas is generated or the standby indicator lamp is not on, remote control ignition cannot be established, and the oxyhydrogen gun device and the oxyhydrogen generator are controlled by the control panel 14), so that personal safety is effectively protected.
The upper cylinder 9 is a smooth wall pipe, so that the resistance of the inner wall is reduced, the colored flowers are effectively sprayed out, and the cost and the weight can be reduced by using plastic; the explosion-proof cylinder 1 is an aluminum pipe (not only made of aluminum, but also made of any material capable of achieving the same technical effect), and has the functions of igniting gas and then carrying out explosion to enable gas expansion airflow to be upward, wherein the explosion-proof cylinder can be used by the aluminum pipe and can be explosion-proof and has light weight; the horizontal sections of the upper cylinder 9 and the explosion-proof cylinder 1 are round or polygonal.
The explosion-proof cylinder 1 is a stainless steel cylinder (not only made of stainless steel, but also made of any material capable of achieving the same technical effect) with the outer diameter of 64mm, the inner diameter of 60mm and the height of 250 mm;
The air cylinder 2 is a stainless steel cylinder with the outer diameter of 45mm, the inner diameter of 40mm and the height of 150mm (not only being limited to stainless steel materials, any materials which can achieve the same technical effect can be used);
The air duct 7 is a steel pipe with an inner diameter of 3mm and a length of 130mm (not limited to steel materials, any materials capable of achieving the same technical effects can be used).
Example III
As shown in FIG. 3, the oxyhydrogen gun device is formed by combining oxyhydrogen gun devices in the second embodiment, can be designed into multi-tube continuous emission according to requirements, can be charged and used repeatedly (can be used for commercial use), and has the advantages of energy conservation, environmental protection, convenience and safety.
The foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. An oxyhydrogen salute device is characterized by comprising
The explosion-proof cylinder is provided with an open top and internally provided with an explosion-proof cylinder base, an air cylinder and an air duct, wherein the explosion-proof cylinder base is internally provided with an air vent for introducing oxyhydrogen mixed gas, the air cylinder is a cylinder with one end being provided with an opening and the other end being provided with a closed structure, the open end of the air cylinder is arranged at a position right above the explosion-proof cylinder base, one end of the air duct is connected with the air vent, and the other end of the air duct is arranged in the air cylinder; an ignition device is arranged on the wall of the air cylinder;
The two ends of the upper cylinder body are arranged in an open mode, the bottom of the upper cylinder body is covered on the top of the explosion-proof cylinder, the accommodating cylinder body is arranged in the top of the upper cylinder body, and ventilation holes are formed in the bottom of the accommodating cylinder body;
the device also comprises a oxyhydrogen generator, wherein the oxyhydrogen generator is connected with the vent hole through a pipeline, and a one-way valve is arranged on the pipeline; the oxyhydrogen generator uses a battery to electrolyze water to produce oxyhydrogen gas;
The explosion-proof cylinder base is a cone and is arranged on the bottom wall of the explosion-proof cylinder, and the opening end of the air storage cylinder is positioned right above the cone of the explosion-proof cylinder base;
The explosion-proof device comprises a fixing support used for fixing the air cylinder in the explosion-proof cylinder, wherein the horizontal section of the fixing support is in a cross shape, and the fixing support is fixedly connected with the air cylinder and the explosion-proof cylinder in a welding mode.
2. The oxyhydrogen gun device according to claim 1, further comprising an explosion-proof bottom plate fixed at the bottom of the explosion-proof cylinder, wherein the top of the oxyhydrogen generator is fixed with the bottom surface of the explosion-proof bottom plate.
3. The oxy-hydrogen salute device of claim 1, further comprising an explosion proof aluminum plate parallel to the bottom wall of the explosion proof cylinder, the bottom wall of the explosion proof aluminum plate being in contact with the top of the air cylinder, the explosion proof aluminum plate being cross-shaped.
4. The oxy-hydrogen salute device of claim 1, wherein the ignition device is a pulse igniter arranged on a closed end or a side wall of the gas cylinder, and wherein an arc portion of the pulse igniter is arranged inside the gas cylinder and generates an electric spark to ignite an oxy-hydrogen mixed gas inside the gas cylinder after the pulse igniter is electrified.
5. The oxyhydrogen gun device according to claim 1, wherein the upper cylinder is a smooth-walled tube, and the explosion-proof cylinder is an aluminum tube; the horizontal sections of the upper cylinder body and the explosion-proof cylinder are round or polygonal.
6. A hydrogen and oxygen salute device as claimed in claim 1, wherein,
The explosion-proof cylinder is a stainless steel cylinder with the outer diameter of 64mm, the inner diameter of 60mm and the height of 250 mm;
the air cylinder is a stainless steel cylinder with the outer diameter of 45mm, the inner diameter of 40mm and the height of 150 mm;
The cone angle of the explosion-proof cylinder base is 10-80 degrees;
The air duct is a steel pipe with an inner diameter of 3mm and a length of 130 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111155611.XA CN113819812B (en) | 2021-09-29 | 2021-09-29 | Oxyhydrogen salute device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111155611.XA CN113819812B (en) | 2021-09-29 | 2021-09-29 | Oxyhydrogen salute device |
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| Publication Number | Publication Date |
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| CN113819812A CN113819812A (en) | 2021-12-21 |
| CN113819812B true CN113819812B (en) | 2024-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111155611.XA Active CN113819812B (en) | 2021-09-29 | 2021-09-29 | Oxyhydrogen salute device |
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| CN (1) | CN113819812B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115745711B (en) * | 2022-11-02 | 2023-11-24 | 北京卫星环境工程研究所 | An aluminum powder premixed reaction chamber for a hydrogen-oxygen detonation-driven light gas cannon |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN213578952U (en) * | 2020-11-03 | 2021-06-29 | 长沙市斯帕克电子科技有限公司 | Color paper launching device |
| CN215832587U (en) * | 2021-09-29 | 2022-02-15 | 江苏鑫浩新材料科技有限公司 | Oxyhydrogen gun salute device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1661321A (en) * | 2004-02-23 | 2005-08-31 | 孙福玉 | Remote radio controlled igniter for fireworks |
| CN2774607Y (en) * | 2005-01-28 | 2006-04-26 | 宁立新 | Air pressure color flower gun salute |
| KR101779440B1 (en) * | 2015-08-10 | 2017-09-18 | 조미동 | Explosion volume control means is equipped with explosion sound cylinder |
| CN107192309A (en) * | 2017-06-11 | 2017-09-22 | 贵州大学 | A kind of downhole explosion device and method |
| CN110296636A (en) * | 2019-07-29 | 2019-10-01 | 黄沙 | A kind of environment-friendly electronic salvo |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN213578952U (en) * | 2020-11-03 | 2021-06-29 | 长沙市斯帕克电子科技有限公司 | Color paper launching device |
| CN215832587U (en) * | 2021-09-29 | 2022-02-15 | 江苏鑫浩新材料科技有限公司 | Oxyhydrogen gun salute device |
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