CN2583614Y

CN2583614Y - Sparkler with electric fuze and controlled by electronic controller with time delay function

Info

Publication number: CN2583614Y
Application number: CN 02276974
Authority: CN
Inventors: 张帆; 于东利
Original assignee: Individual
Current assignee: Individual
Priority date: 2002-07-29
Filing date: 2002-07-29
Publication date: 2003-10-29
Anticipated expiration: 2012-07-29

Abstract

The utility model relates to a flammable sparkler 1. An electric fuze 2 is installed in the powder 8 of the flammable sparkler 1. Both electrodes 9 of the electric fuze 2 are connected with an electronic controller 3 with a time delay function by conducting wires. The electronic controller 3 is provided with a manual triggering switch 4. The flammable sparkler thoroughly solves the unsafe problem which is caused due to the factors of the extinguish guide, the nonuniform combustion, the very short combustion time, or the very long combustion time, etc. of the traditional sparkler. The detonation time of the flammable sparkler can be optionally controlled, and the flammable sparkler is free from the influences of weather of wind blow, rain, etc. The touching off safety performance and the interest of the flammable sparkler are enhanced, and the hidden trouble that the flammable sparkler is carelessly detonated by an external fire source is also lowered; meanwhile, the dampproof performance of the flammable sparkler is enhanced, and the loss of the flammable sparkler caused due to wetting, etc. in the link of storage and transportation is reduced.

Description

Electrical fuze is housed and is controlled by the firework of the electronic controller of being with delay function

Technical field

The utility model relates to a kind of firework, further is meant the firework that directly is contained in electrical fuze in the gunpowder and is controlled igniting by the electronic controller of band delay function.

Background technology

The mankind set off the existing history of more than one thousand years of firework, and up to now, firework is not all broken away from the mode of setting off of traditional gunpowder lead-in wire igniting.Common people adopt hand-held burning things which may cause a fire disaster tradition of lighting firework gunpowder lead-in wire next to the shin to set off mode.Yet, traditional gunpowder lead-in wire put out draw, burn inhomogeneous, burning time is too short or performance shortcomings such as long, and must to hand the burning things which may cause a fire disaster operational drawbacks that kindles a fire the efficacy-enhancing ingredient line next to the shin be to cause firework to set off the security incident main cause.

Along with development in science and technology,, many alternative electronics just occurred and seted off mode from the eighties.These are improved sets off the operational drawbacks that mode has just solved igniting next to the shin, does not solve the performance shortcomings of traditional gunpowder lead-in wire.

Certain patent documentation " safe electronic firecracker ignitor " has designed by light current heating heating alloy, removes to light the ignition installation of fireworks lead with this heating wire.This technology has only been done improvement from incendiary source, does not all relate to solving the two big shortcomings that above-mentioned firework sets off.

Certain patent documentation " remotely controlled high-safety system for setting off small fireworks " is the gunpowder lead-in wire that ignites of " lighter " with electronic ignition.Avoided the operational drawbacks of igniting next to the shin, " yet lighter " must keep well contacting could guarantee to go between being lighted reliably with the gunpowder lead-in wire, this process has increased the complexity that firework is seted off, and does not fundamentally solve the security incident that the performance shortcomings because of gunpowder lead-in wire causes.

Certain patent documentation " equipment of setting off of no detonating cord electric firing display shell " is the equipment of setting off at large-scale fireworks display class firework design, though solved above-mentioned two big shortcomings, its specific aim is too strong, can't be applicable to the firework product of most of types; And its equipment cost and to set off cost very expensive, not only can't popularize, in addition large-scale fireworks display meeting set off that the merchant is also unable to bear such scheme.

In the market, electronic ignition only is used for the fireworks display meeting, and its working method is still with the ignite fuse of fireworks of electric igniter, and parameter such as the length by fuse, thickness is controlled it and seted off sequential.In like manner, fundamentally do not solve the shortcoming of gunpowder lead-in wire, and electric igniter and ignition controller cost an arm and a leg, can't popularize.

Technology contents

The purpose of this utility model is, develops the firework that electronic fuse is housed and is controlled by the electronic controller of being with delay function, have stable and reliable working performance, easy to use, ignite the time characteristic of accurate, thereby improve security and the interest that firework is seted off.

The technical solution of the utility model is, it comprises the flammable big gun of letting off fireworks, and its design feature is in the gunpowder of the described flammable big gun of letting off fireworks electrical fuze to be installed, and the electrode of described electrical fuze is connected through the electronic controller of conductor wire with the band delay function, and this electronic controller is equipped with manual trigger switch.

Below the utility model made further specify.

Referring to Fig. 1 and Fig. 2, structure of the present utility model is, it comprises the flammable big gun 1 of letting off fireworks, its technical characterstic is, electrical fuze 2 (referring to Fig. 2 and Fig. 3) has been installed in the gunpowder 8 of the described flammable big gun 1 of letting off fireworks, two electrodes 9 of this electrical fuze 2 are connected through the electronic controller 3 of conductor wire with the band delay function, and this electronic controller 3 is equipped with manual trigger switch 4.

A kind of example structure of electrical fuze 2 described in the utility model as shown in Figure 3; it has an electrode fixuture 10 of being made by insulating materials; an end of fixing two electrodes 9 on it is equipped with heater element 11; and on heater element 11, having coated flammable protective material layer 12, the other end of described two electrodes 9 is an electrode leads to client.

Electrical fuze 2 described in the utility model be installed in the gunpowder 8 of firework 1 a kind of example structure as shown in Figure 2, the exit of the electrode 9 of described electrical fuze 2 is stretched out through the shell 7 of firework 1, and also can seal with encapsulant 5 (as lute) in this extending area; Also the exit of described two electrodes 9 can be made and patch port, connect in order to corresponding connector on the connecting line with the electronic controller 3 of being with delay function.Like this, the electronic controller of a band delay function of the present utility model can be designed to a plurality of connectors and can be connected with many fireworks simultaneously.The electronic controller of described band delay function can be reused, and durable in use.

A kind of embodiment circuit of the electronic controller 3 of band delay function described in the utility model as shown in Figure 4, it forms delay circuit by two

NE555 chips

14,15, by triode BG ₃, BG ₄Constitute drive circuit, it drives the heating 11 that is connected to electrical fuze 2 in the work loop.The electronic controller 3 of described band delay function also can adopt other various delay circuits of prior art.

Design of the present utility model and operation principle be, electrical fuze 2 is installed in firework 1 inside, directly fully contacts with gunpowder 8, and firework can ignite when applying light current moment; The circuit working process of the electronic controller 3 of the band delay function of embodiment is, press switch 4, first delay chip 14 time-delays (for example time-delay is setting-up time 10 seconds), its delay time finishes the back provides the startup high level to second delay chip 15, second delay chip 15 triggered and lasting output current (for example setting the duration is 2 seconds), by triode BG ₃, BG ₄After the electric current amplification, supply with the heater element 11 of electrical fuze 2, make its heating, light flammable protective material 12, by its moment ignition firework 1.When the electronic controller 3 of band delay function was worked, warning lamp 13 was shinny, makes caution, the security when setting off to improve firework.

As known from the above, the utility model is the firework that electrical fuze is housed and is controlled by the electronic controller of being with delay function, it has thoroughly solved the unsafe problems inhomogeneous, that burning time is too short or factor such as long causes because traditional firework gunpowder lead-in wire draws, burns because of putting out, can arbitrarily control the ignition time of firework, and weather effect such as do not blown, rain has improved security and interest that firework is seted off.The electronic fuse jack design of sealing, the gunpowder and the external world in the firework are isolated fully, reduce the hidden danger that firework is ignited accidentally by extraneous burning things which may cause a fire disaster, improved the humidity resistance of firework simultaneously, reduced the loss that firework causes because of reason such as make moist at the storage transit link.

Description of drawings

Fig. 1 is a structured flowchart of the present utility model;

Fig. 2 is that electrical fuze is installed in a kind of embodiment sectional structure radially in the firework;

Fig. 3 is a kind of example structure of electrical fuze;

Fig. 4 is a kind of embodiment circuit diagram of the electronic controller of band delay function.

In described accompanying drawing: 1-the is flammable big gun of letting off fireworks, 2-electrical fuze, the electronic controller of 3-band delay function; the 4-manual trigger switch, 5-encapsulant, 6-electrical fuze socket; the 7-shell; the 8-gunpowder, 9-electrode, 10-electrode fixuture; the 11-heater element; 12-is flammable protective material layer, 13-warning lamp, 14,15-delay chip IC.

The specific embodiment

According to the utility model product of accompanying drawing and said structure, the flammable big gun 1 of letting off fireworks is the firework of various prior arts; In the electrical fuze 2, electrode 9 adopts diameter 1.5mm copper wire, electrode fixuture 10 adopts the ABS engineering plastics, when injection moulding, electrode 9 is fixed wherein, it is the tungsten filament of 1 Ω that heater element 11 adopts resistance, flammable protective material layer 12 adopts and has mixed and stirred the gunpowder of epoxy resin or the respective material layer of prior art, and encapsulant 5 is for having mixed and stirred the cement of 107 glue; Delay control circuit and component parameters are listed in Fig. 4.

Claims

1. firework that electrical fuze is housed and is controlled by the electronic controller of being with delay function, the flammable big gun of letting off fireworks (1) is arranged, it is characterized in that, in the gunpowder (8) of the described flammable big gun of letting off fireworks (1), electrical fuze (2) has been installed, two electrodes (9) of this electrical fuze (2) are connected through the electronic controller (3) of conductor wire with the band delay function, and this electronic controller (3) is equipped with manual trigger switch (4).

2. the firework that electrical fuze is housed and is controlled by the electronic controller of being with delay function according to claim 1; it is characterized in that; described electrical fuze (2) has an electrode fixuture of being made by insulating materials (10); an end of fixing two electrodes (9) on it is equipped with heater element (11); and on heater element (11), having coated flammable protective material layer (12), the other end of described two electrodes (9) is an electrode leads to client.

3. the firework that electrical fuze is housed and is controlled by the electronic controller of being with delay function according to claim 1, it is characterized in that, a kind of structure that described electrical fuze (2) is installed in the gunpowder (8) of firework (1) is, the shell (7) of exit through firework (1) of the electrode (9) of described electrical fuze (2) stretched out, encapsulant (5) is arranged in this extending area envelope.

4. the firework that electrical fuze is housed and is controlled by the electronic controller of being with delay function according to claim 1 is characterized in that, the exit of described two electrodes (9) is made patched port.

5. the firework that electrical fuze is housed and is controlled by the electronic controller of being with delay function according to claim 1 is characterized in that, the electronic controller of a described band delay function can have a plurality of connectors and be connected with many fireworks (1) simultaneously.

6. the firework that electrical fuze is housed and is controlled by the electronic controller of being with delay function according to claim 1, it is characterized in that, the circuit structure of the electronic controller of described band delay function (3) is that it forms delay circuit by two NE555 chips (14,15), by triode BG ₃, BG ₄Constitute drive circuit, it drives the heating (11) that is connected to electrical fuze (2) in the work loop.