CN2151794Y - Electronic fire cracker - Google Patents

Abstract

The utility model relates to an electronic firecracker, which is composed of a firecracker generating box 1, a flash tube (bulb) 2, a smoke generating case 5. A circuit board arranged in a box body 7 of the firecracker generating box 1 is composed of a sound generating circuit I, a light generating circuit II, a smoke generating circuit III, a time-controlled circuit IV and a power circuit V. The sound generating circuit I, the light generating circuit II, the smoke generating circuit III and the time-controlled circuit IV are connected in parallel on the power circuit V. Besides the sound, light and smoke of setting off the traditional firecracker, the utility model has multi-color flashing and multi-appearance molding, and can send out healthy smoke. The utility model also has the advantages of safe usage, no environment pollution, simple structure, repeated usage and low cost.

Description

Electronic fire cracker

The utility model relates to fireworks and firecrackers class or sounding, light-emitting device, specifically a kind of colourful electronic fireworks and firecrackers that can send firecracker sound, cigarette and light.

Since how many centuries, among the people just have set off firecrackers to show the traditional habit of happiness funeral, these fireworks and firecrackers mainly are to add strontium with gunpowder, slaines such as lithium are made fuel, and wrap up in paper bag and to make, very easily cause fire when setting off, hurt sb.'s feelings, dead person's incident also class is seen not bright, and the dense smoke of its gunpowder and paper scrap contaminated environment, set off public hazards that this firecracker produces and more and more receive the concern of society, many countries and local government have ordered to forbid or limit setting off firecrackers, but, prohibit to fire the generation that bamboo can not avoid above-mentioned situation fully, but also influence among the people over the past thousands of years to this traditional custom succession and develop.

The purpose of this utility model is to provide a kind of neither can cause fire, can not injure the person, free from environmental pollution, has the better colourful electronic fireworks and firecrackers of sound, light, cigarette effect of setting off traditional firecracker again.

The realization the purpose of this utility model is made up of firecracker generation case, flash tube (bubble), living cigarette case, firecracker generation case is made of casing, light generation key, sound and cigarette generation key, time control handle, power supply, loudspeaker and circuit board, flash tube (bubble) is by lead braiding bunchiness or pattern, and the plug of upper end is plugged on the socket of casing, and flash tube (bubble) lower end is connected with living cigarette case.

Sound generation circuit on the circuit board of device in casing, cigarette generation circuit, light generation circuit, the time control circuit and power circuit, sound take place circuit, cigarette generation circuit, light generation circuit, the time control circuit all in parallel with power circuit respectively.

The sound, light, the cigarette three big features that occur when the utility model is seted off according to fireworks, with the fireworks sound-producing integrated circuit that has solidified, and through power amplification circuit, input loudspeaker or audio amplifier send the sound, make optic components such as flash tube, bubble or the optical fiber conduction of different colours make abnormal, alternating flashing light simultaneously, give birth to cigarette case and give out wholesome smog, it is better that its result of use is seted off traditional firecracker, side by side except the caused fire that sets off firecrackers, hurt sb.'s feelings, dead person and contaminated environment, and it is simple in structure, can be repeatedly used, with low cost.

Fig. 1: the utility model front view;

Fig. 2: firecracker case vertical view in the utility model;

Fig. 3: firecracker case upward view in the utility model;

Fig. 4: practical example 1 circuit diagram of the utility model;

Fig. 5: the utility model embodiment 2 circuit diagrams.

Describe in detail below in conjunction with the utility model and embodiment accompanying drawing:

As shown in Figure 1, by lead many flash tubes (bubble) 2 braidings are connected like the firecrackers shape, the upper end of lead is connected with plug 6, the lower end of lead is connected with living cigarette case 5, plug 6 is plugged on the socket 3 of firecracker generation case 1 bottom (referring to Fig. 3), there are external power supply jack 8, external speaker jack 9, light generation key 10, cigarette and sound that key 11, time control knob 12, louver 13 take place on casing 7 panels of firecracker generation case 1, the upper end of casing 7 also is equipped with handle 14(referring to Fig. 2), dc source, circuit board and speaker unit are in casing 7.

As shown in Figure 4, the circuit on the circuit board of the utility model embodiment 1 comprise sound take place circuit I, light generation circuit II, cigarette generation circuit III, the time control circuit IV, power circuit V; The circuit I takes place by firecracker sound IC in sound ₁, power amplification circuit IC ₂, loudspeaker Y, transistor BG ₁, relay normally-closed contact J _1-1, external speaker jack AL ₂, sound take place to be good for AN with cigarette ₂Reach resistance, electric capacity formation, IC ₁1,6,8 pin meet power supply E+, 7 pin are through resistance R ₁Meet E+, 2 pin are through C ₁Be connected back ground connection with 5 pin, 2 pin are also through resistance R ₄Be connected back and BG with 4 pin ₁Base stage connect, 3 pin are through resistance R ₂Connect E+, 3 pin also with BG ₁Colelctor electrode and commissure capacitor C ₂An end connect C ₂Another termination IC ₂1 pin, IC ₂2 pin and capacitor C ₆And AL ₂Common port connect back ground connection, their other end is through capacitor C ₅With IC ₂4 pin connect IC ₂5 pin meet E+, 3 pin ground connection, Y and C ₆Parallel connection, AL ₂Be shorted to IC with the end of Y ₂2 pin, the other end is through C5 and IC ₂4 pin connect J _1-1, AN ₂And light generation key AN ₁Be connected on E+ and IC ₁In the circuit, IC ₂E+ and ground between filter capacitor C in parallel ₃And C ₄, here, IC ₁Select KD5601 integrated circuit or other music integrated circuit for use, IC ₂Select the TDA2002 integrated circuit for use.Light generation circuit II is by the trigger impulse IC ₃, the decoding IC that glistens in turn ₄, transistor BG ₂, BG ₃BG _N, flash tube (bubble) LED ₁, LED ₂... LED _N, light generation key AN ₁, adjustable resistance R ₅Reach resistance, electric capacity formation, IC ₃1 pin ground connection, 2 pin, 6 short circuits and connecting resistance R6 and capacitor C ₇Between, 7 pin meet R ₅With resistance R ₆Between, 4 pin, 8 pin meet E+, 5 foot meridian capacitor C ₈Ground connection, 3 foot meridian capacitor C ₉With resistance R ₇And IC ₄The common port of the 14th pin connect R ₇Another termination E+, IC ₄The 13rd pin, 8 pin ground connection, IC ₄The 14th pin and the common port of 13 pin and 8 pin and 15 pin and 9 pin series capacitance C respectively ₁₀And C ₁₁, IC ₄The 16th pin meet E+, IC ₄3,2,4,7,10,1,6 pin respectively with pairing transistor BG ₂, BG ₃... BG _NThe resistance R that connects of base stage ₈, R ₉R _NAn end connect BG ₂, BG ₃BG _NEmitter stage ground connection respectively, their colelctor electrode respectively with socket AL ₄Connect LED ₁, LED ₂... LED _NAn end respectively with plug AL ₃Connect, their other end all passes through AN ₁Meet E ₊Here IC ₃Select the LN555 integrated circuit for use, IC ₄Select the CD40017 integrated circuit for use, LED ₁, LED ₂... LED _NSelect flash tube or bubble or optical fiber and other light-emitting component respectively for use, its color can be a different color such as red, yellow, blue, green, and utilizes it to connect the colourful shape that lead is woven into firecrackers shape or animal and plant, flower.Cigarette generation circuit III is by electric furnace heating wire RX, normally-closed contact J _1-1, sound cigarette generation key AN ₂Constitute an end and the J of RX _1-1One end connects, RX other end ground connection.The time control circuit IV by transistor BG ₅, relay J, relay normally open contact J _1-2, diode D ₁And D ₂, resistance R ₁₀Constitute BG ₅Base stage one tunnel is through D ₁Connect the base stage of BGN, another road and J _1-2One end connects, J _1-2The other end through R ₁₀Meet E+, BG ₅Colelctor electrode meets J and D ₂The male end of positive level, the other end of J and R ₁₀, D ₂Negative pole, AN ₂And AN ₁Common port connect.Power circuit V comprises dc source E and is connected in parallel on the external power supply jack AL at E two ends ₁

Embodiment 2:

As shown in Figure 5, it is on the previous embodiment basis, and the circuit on its circuit board is improved, and promptly changes IC in the light generation circuit II ₄3,2,4,7,10,1,6 respectively through resistance R ₈, R ₉R _NWith transistor BG ₂, BG ₃BG _NBase stage join BG ₂-BG _NColelctor electrode pass through socket AL respectively ₄, plug AL ₃With flash tube (bubble) LED _1-1, LED _1-2... LED _1-NSeries connection group and LED _2-1, LED _2-2... LED _2-NThe series connection group is in parallel and is in parallel until many groups flash tube (bubble) series connection group.Other structure is all identical with previous embodiment.The structure that this connection in series-parallel is share increases flash tube of the present utility model (bubble) 2 quantity, to satisfy the needs of large-scale and colourful flash designs.

AN in the circuit ₁, AN ₂, R ₅On knob, AL ₁, AL ₂, LED ₁, LED ₂... LED _N, AL ₃Be respectively light generation key 10, sound and cigarette generation key 11, time control knob 12, external power supply jack 8, external speaker jack 9 among Fig. 1, flash tube (bubble) 2 and plug 6, AL4 are the socket 3 among Fig. 3.

When using the utility model, plug 6 is plugged on the socket 3 R _XInsert in the living cigarette case 5 that spices is housed, press light generation key 10 harmony and cigarette generation key 11, AN1, AN2 connect power supply E, IC1 work, the firecracker acoustical signal is input to IC2 through BG1 colelctor electrode and C2, send the firecracker sound to 3-6W through C5 input loudspeaker Y or external speaker through the IC2 power amplification, tonequality and volume that adjustment R1, R4, C1 can set up firecracker sound are to obtain than promising result; Simultaneously, the 3 pin output trigger impulse of IC3, its pulse frequency is determined by R5, R6, C7 time constant, knob 12 on the turn R5 is when the charging voltage of C7 reaches when making the IC3 conducting, from positive pulse of 3 pin output of IC3, trigger IC4, make BG2, BG3 ... BGN is conducting in turn, LED1, LED2 ... LEDN, perhaps LED _1-1, LED _1-2... LED _1-NAnd LED _2-1, LED _2-2... LED _2-NFlash tube (bubble) 2 glistens in turn, as the flame of setting off traditional firecracker; C10 in the circuit, C11 are IC4 shunt capacitances over the ground, and 14 pin of IC4 obtain certain bias voltage through R7; Meanwhile, R _XBurnt red, the spices that cigarette case 5 is given birth in the burning smog of emerging, so flash tube 2 glazings, cigarette and luxuriant, and to around give out the harmless fragrance that assails the nostrils, its atmosphere is very ardent; When last flash of light of flash tube 2, just IC4 works to afterbody promptly during the 6th pin in the circuit, and D1 obtains positive voltage from the base stage of BGN, make the BG5 conducting, J action, J1-2 closure, J1-1 disconnects, circuit I takes place sound and cigarette generation circuit III all disconnects with power supply, and the firecracker sound and smog stop, again by bright dipping generation key 10, sounding and cigarette only do not glisten at this moment, can decorate usefulness, when AN1 and power supply disconnection, the utility model quits work.When the utility model used, it was better to set off traditional firecracker effect, not harm people, free from environmental pollution, can not cause fire, flash tube of the present utility model (bubble) 2 can also be woven into colourful pattern and the multiple color of apolegamy, with balloon it is risen to the high-altitude, the sight that more has some shape to see.

Claims (6)

1, a kind of electronic fireworks and firecrackers, form by firecracker generation case (1), flash tube (bubble) (2), living cigarette case (5), give birth to cigarette case (5) device on flash tube (bubble) (2), the plug (6) of flash tube (bubble) (2) one ends is plugged on the socket of casing (7), it is characterized in that device in the casing (7) of firecracker generation case (1) have by sound generation circuit I, light generation circuit II, cigarette generation circuit III, the time control circuit IV, the power circuit V circuit board that constitutes, sound generation circuit I, light generation circuit II, cigarette generation circuit III, the time control circuit IV in parallel with power circuit;

2,, it is characterized in that light generation circuit II is by the trigger impulse IC according to the described fireworks and firecrackers of claim 1 ₃, decipher the IC that glistens in turn ₄, transistor BG ₂, BG ₃BG _N, flash tube (bubble) LED ₁, LED ₂... LED _N, light generation key AN ₁, adjustable resistance R ₅Reach resistance, electric capacity formation, IC ₃1 pin ground connection, 2 pin, 6 short circuits and connecting resistance R ₆With capacitor C ₇Between, 7 pin meet R ₅With resistance R ₆Between, 4 pin, 8 pin meet E+, 5 foot meridian capacitor C ₃Ground connection, 3 foot meridian capacitor C ₉With resistance R ₇And IC ₄The common port of the 14th pin connect R ₇Another termination E+, IC ₄The 13rd pin, 8 pin ground connection, IC ₄The 14th pin and the common port of 13 pin and 8 pin and 15 pin series capacitance C respectively ₁₀And C ₁₁, IC ₄The 16th pin meet E+, IC ₄3,2,4,7,10,1,6 pin respectively with pairing transistor BG ₂, BG ₃... BG _NThe resistance R that connects of base stage ₈, R ₉R _NAn end connect BG ₂, BG ₃BG _NEmitter stage ground connection respectively, their colelctor electrode respectively with socket AL ₄Connect LED ₁, LED ₂... LED _NAn end respectively with plug AL ₃Connect, their other end all passes through AN ₁Meet E+;

3,, it is characterized in that BG in the light generation circuit II according to claim 1 or 2 described fireworks and firecrackers ₂, BG ₃... BG _NColelctor electrode pass through socket AL respectively ₄, plug AL ₃With flash tube (bubble) LED _1-1, LED _1-2... LED _1-NSeries connection group and the above LED of group level _2-1, LED _2-2... LED _2-NThe parallel connection of series connection group;

4, fireworks and firecrackers according to claim 1 is characterized in that being equipped with on the casing (7) of firecracker generation case (1) external power supply jack (8), external speaker jack (9), light generation key (10), cigarette and sound key (11), time control knob (12) takes place;

5, fireworks and firecrackers according to claim 1 is characterized in that flash tube (bubble) (2) is woven into the firecrackers shape by lead (4);

6,, it is characterized in that giving birth in the cigarette case (5) nontoxic inflammable spices and electric furnace heating wire Rx are housed according to the described fireworks and firecrackers of claim 1.

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