CN110595289B

CN110595289B - Spray-type firework

Info

Publication number: CN110595289B
Application number: CN201911003964.0A
Authority: CN
Inventors: 黄基伟; 廖建辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-10-22
Filing date: 2019-10-22
Publication date: 2024-06-18
Anticipated expiration: 2039-10-22
Also published as: CN110595289A

Abstract

The invention discloses a firework with a firework pattern, which comprises a firework tube filled with firework powder, wherein an injection port is arranged at the upper port of the firework tube, and the firework powder is provided with an electronic ignition component; the lower port of the firework tube is communicated with an oxygen pressure tank through an electromagnetic valve; the electronic ignition assembly and the electromagnetic valve are electrically connected with a power supply through an electrical switch. The height of the spray flower is greatly increased during the setting off; the smoke and peculiar smell can be greatly reduced, the flame color is pure, and the spray has no combustion residues; the safety in the production, storage, transportation and setting-off processes is substantially improved; meanwhile, the device has the advantages of small volume, simple structure and low cost.

Description

Spray-type firework

Technical Field

The invention relates to a firework product, in particular to a firework product of a spray pattern type.

Background

When the firework products are set off, the products mainly comprise direct spraying sparks, sparks and sound (sound beads). The firework products are firework products prepared by adopting combustible metal powder (such as titanium powder, zirconium powder and the like), a propellant (such as single-base powder and the like) and an oxidant (such as potassium chlorate, potassium perchlorate and the like) in proportion, wherein the firework tube 101 shown in fig. 1 is filled with the firework powder, and a sealing layer 102 at the upper port of the firework tube 101 is provided with a jet orifice 103. Because of insufficient combustion and various factors such as medicine impurities, nitrogen oxides, chlorides and sulfides generated during the ignition are easy to generate smog and peculiar smell, the environment is influenced, the audience's impression is destroyed, and the method is particularly serious in the situations of indoor ignition, stage ignition and the like; causing the flame color of the spray flames sprayed from the spray ports 103 to be impure, and affecting the setting-off effect; residues exist in the sprayed objects to burn out floors or carpets, so that the environmental sanitation is damaged; and the emission capability of the firework powder is limited to 3-5 m, so that the great breakthrough is difficult; the safety of production, storage, transportation and setting off is also difficult to improve.

The technical thinking of the traditional fireworks is limited in the industry, the problems are solved from the improvement of pyrotechnic compositions, such as adopting micro-smoke oxidants, such as ammonium perchlorate, ferrocene, hydrazine hydrate and the like, and although smoke can be reduced, other problems such as increased peculiar smell (ammonium perchlorate) or increased potential safety hazard (ferrocene, hydrazine hydrate) are caused, and the pyrotechnic composition capable of comprehensively solving the problems is not found.

Some firework-like mechanical devices have also been developed in the prior art, which typically represent the disclosures of numerous patent documents entitled "a cold flame fire apparatus". These devices are compared to the firework products of the spray pattern: too large in size and difficult to set off in dense layout; the working reliability of the structure is complex to be improved; the cost is high and the method is not suitable for folk ordinary setting off. The firework powder is not used, which is completely out of the category of the firework products, and is not in line with the traditional firework consumption habit and aesthetic, and the problems of flame color, residues and the like cannot be solved.

Disclosure of Invention

In order to solve the defects, the invention aims to provide a firework product with spray patterns, which can greatly reduce smoke and peculiar smell, has pure flame color, has no combustion residues and greatly improves the emission height and safety. In order to solve the technical problems, the invention adopts the technical scheme that the firework comprises a firework tube filled with firework powder, wherein an injection port is arranged at the upper port of the firework tube; the firework powder is characterized in that an electronic ignition component is arranged on the firework powder; the lower port of the firework tube is communicated with an oxygen pressure tank through an electromagnetic valve; the electronic ignition assembly and the electromagnetic valve are electrically connected with a power supply through an electrical switch.

Preferably, the pyrotechnic composition is composed of a combustible metal powder (e.g., titanium powder, zirconium powder, etc.), an propellant (e.g., a mono-base powder, etc.). The inside of the firework tube is not filled with oxidant, so that the safety is ensured.

Preferably, the electronic ignition assembly comprises an electric ignition head connected with the pyrotechnic composition, a conductive wire of the electric ignition head is connected with an electric switch, and the electric switch adopts a remote control switch. Ensuring the cooperative synchronism of oxygen supply and ignition; ensuring safety.

Preferably, the power source is a battery.

Preferably, the lower port of the firework tube is communicated with the oxygen pressure tank by adopting a detachable structure. The split type storage is convenient for being stored respectively in the storage and transportation processes, and the potential safety hazard in the storage and transportation is avoided.

Preferably, the firework tube consists of an inner cylinder and an outer cylinder, and the inner cylinder filled with the pyrotechnic composition is sleeved between the inner cylinder and the outer cylinder with an air gap; the lower port of the inner cylinder is closed and the upper port is opened; the upper port of the outer cylinder is provided with the jet orifice, the lower port of the outer cylinder is closed by a bottom plug, the bottom plug is provided with an air inlet, and the air inlet is communicated with the oxygen pressure tank through the electromagnetic valve. After the oxygen discharged from the oxygen pressure tank enters the outer cylinder through the air inlet hole, the oxygen passes through the air passing gap and winds the upper port of the outer cylinder to supply oxygen and pressurize the pyrotechnic composition. Is favorable for the stability of the spray pattern during the setting off and the improvement of the emission height. Further, an air guide groove communicated with the air inlet hole is formed in the upper end face of the bottom plug. The balance of the oxygen supply of the spray flower is ensured. Further, the air inlet holes are arranged at the center of the bottom plug, and the air guide grooves are uniformly distributed at the center of the air inlet holes.

The invention has the beneficial effects that under the combined action of oxygen pressurization and pyrotechnic composition gas generation, the height of the spray flower is greatly increased during setting off, and the height of the spray flower can reach 6-7 meters; the full combustion of the pyrotechnic composition can be realized, and the impurities of the combustion matters are greatly reduced, so that the smoke can be greatly reduced, the indoor combustion has no peculiar smell, the flame color is pure, and the injection matters have no combustion residues; the firework barrel can realize the assembly of the pyrotechnic composition without an oxidant, can realize the split storage and transportation of oxygen and the pyrotechnic composition, and substantially improves the safety in the production, storage, transportation and setting-off processes; meanwhile, the device has the advantages of small volume, simple structure and low cost.

In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the invention, whereby the invention is not limited to the specific embodiments disclosed below.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" or "in communication with" another element, it can be directly connected (in communication) to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Drawings

FIG. 1 is a schematic diagram of the product structure of the existing spray fireworks;

FIG. 2 is a schematic diagram of an assembly structure of the spray pattern firework of the present invention;

FIG. 3 is a schematic diagram of an assembly structure of the spray pattern firework of the present invention;

FIG. 4 is a schematic diagram of a split structure of the spray pattern firework of the present invention;

FIG. 5 is a schematic diagram of the split mating structure of the oxygen pressure tank and the solenoid valve, and the bottom plug;

fig. 6 is a schematic diagram of a packing structure of the spray pattern type firework of the present invention.

Detailed Description

Referring to the drawings, a specific structure of the present invention is reflected. The firework comprises a firework tube filled with firework powder, in the example, the firework tube is composed of an inner tube 8 and an outer tube 1, the firework powder is filled in the inner tube 8, the firework powder is composed of 15% titanium powder and 85% single base powder by weight, and the firework powder and the single base powder are uniformly mixed and filled according to a traditional firework powder treatment method. The inside of the firework tube is not filled with oxidant to ensure safety.

The inner cylinder 8 is sleeved in the outer cylinder 1, and the outer diameter of the inner cylinder 8 is smaller than the inner diameter of the outer cylinder 1, so that an air gap exists between the inner cylinder and the outer cylinder. The lower port of the inner cylinder 8 is closed, the upper port is opened, the upper port of the outer cylinder 1 is provided with an injection port 7, and the pyrotechnic composition is injected from the injection port 7 to form a spraying effect after being ignited.

The lower port of the outer cylinder 1 is nested on the assembling step 904 of the bottom plug 9, and glue can be applied on the assembling step 904, so that the bottom plug 9 hermetically seals the lower port of the outer cylinder 1. The bottom plug 9 is provided with an air inlet hole 901, the air inlet hole 901 is communicated with an air pipe 903 provided with external threads, the air vent 601 of the electromagnetic valve 6 is provided with internal threads, the air tap 401 of the oxygen pressure tank 4 is provided with external threads, the upper end and the lower end of the air vent 601 are respectively in threaded connection with the air pipe 903 and the air tap 41, so that the lower port of the outer cylinder 1 is communicated with the oxygen pressure tank 4 through the electromagnetic valve 6, and a detachable communication structure is formed. The detachable communication structure can also adopt other modes such as clamping connection and the like. The valve of the solenoid valve 6 controls the oxygen supply of the oxygen pressure tank 4 by opening/closing the vent hole 601.

The upper end face of the bottom plug 9 is provided with four air guide grooves 902 communicated with an air inlet 901, the air inlet 901 is arranged in the center of the bottom plug 9, and the four air guide grooves 902 are uniformly distributed in a radial mode at the center of the air inlet 901. After the electromagnetic valve 6 is opened, oxygen discharged by the oxygen pressure tank 4 enters the outer cylinder 1 uniformly and uninterruptedly through the air inlet 901 and the four air guide grooves 902, and passes through the overair gap to bypass the inner cylinder 8 to reach the upper port of the outer cylinder 1 to supply oxygen and pressurize the burnt pyrotechnic composition, so that the pyrotechnic composition can not be directly blown out of the injection port 7, and is not blocked by the pyrotechnic composition filled in the inner cylinder, thereby being beneficial to stabilizing the spraying and improving the emission height during setting off.

The pyrotechnic composition is provided with an electronic ignition assembly, the electronic ignition assembly comprises an electric ignition head (not shown in the figure) connected with the pyrotechnic composition, an ignition end of the electric ignition head can be buried in the pyrotechnic composition, a conducting wire of the electric ignition head is connected with an electric switch 3, the electric switch 3 adopts a remote control switch, namely, a signal receiving mechanism is arranged on the electric switch 3 to receive a signal sent by a remote controller (not shown in the figure). The electrical switch 3 is also electrically connected to the solenoid valve 6, and the electronic ignition assembly and the solenoid valve 6 are electrically connected to the battery pack 2 through the electrical switch 3. Ensuring the cooperative synchronism of oxygen supply and ignition; ensuring safety.

The electric switch 3, the battery pack 2, the electromagnetic valve 6 and other components are arranged on the annular base plate 5, and the middle hole of the annular base plate 5 is sleeved at the bottom end part of the outer cylinder 1. In this example, a packing box is also provided, which is composed of a bottom box 11, a middle box 12 and an upper box cover 13.

The foregoing implementations are merely illustrative of the present invention and are not to be construed as limiting thereof. The invention has a plurality of alternatives or variants known in the technical field, and all fall into the protection scope of the invention without departing from the essential meaning of the invention.

Claims

1. The firework is characterized in that when the firework is set off, sparks, sounds or beads are directly sprayed; comprises a firework tube filled with firework powder, wherein the upper port of the firework tube is provided with a jet orifice; the firework powder is characterized in that an electronic ignition component is arranged on the firework powder; the lower port of the firework tube is communicated with an oxygen pressure tank through an electromagnetic valve; the electronic ignition assembly and the electromagnetic valve are electrically connected with a power supply through an electrical switch; the firework tube consists of an inner tube and an outer tube, the inner tube filled with the firework powder is sleeved in the outer tube, and an air gap is reserved between the inner tube and the outer tube; the lower port of the inner cylinder is closed and the upper port is opened; the upper port of the outer cylinder is provided with the jet orifice, the lower port of the outer cylinder is closed by a bottom plug, the bottom plug is provided with an air inlet, and the air inlet is communicated with the oxygen pressure tank through the electromagnetic valve.

2. The spray pattern firework as claimed in claim 1, wherein the upper end surface of the base plug is provided with an air guide groove communicated with the air inlet hole.

3. The spray pattern firework as claimed in claim 1, wherein the air inlet holes are provided at the center of the base plug, and the plurality of air guide grooves are uniformly distributed at the center of the air inlet holes.

4. A spray-type firework according to any one of claims 1 to 3, wherein the pyrotechnic charge consists of a combustible metal powder and a propellant.

5. A firework as claimed in any one of claims 1 to 3, wherein the electronic ignition assembly comprises an electrical ignition head connected to the pyrotechnic charge, the electrical conductors of the electrical ignition head being connected to an electrical switch, the electrical switch being a remote switch.

6. A spray pattern firework as claimed in any one of claims 1 to 3, wherein the power source is a battery.

7. A spray-type firework as claimed in any one of claims 1 to 3, wherein the lower port of the firework tube is in communication with the oxygen pressure tank in a detachable arrangement.