CN110935180B - Circuit structure of acousto-optic simulation electric power firecracker - Google Patents
Circuit structure of acousto-optic simulation electric power firecracker Download PDFInfo
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Abstract
The invention discloses a circuit structure of an acousto-optic simulation electric firecracker, which comprises a circuit for generating electric sparks and explosion sound and a non-contact switch. A circuit for generating electric sparks and explosion sound; the circuit generating electric sparks and explosion sound is connected with a power supply under the action of the contactless switch; a control circuit; after the circuit for generating electric spark and explosion sound is connected with a power supply, the circuit for generating electric spark and explosion sound generates corresponding sound and light under the action of the control circuit, the circuit for generating electric spark and explosion sound comprises an explosion head assembly, a voltage doubling rectifying circuit for charging the explosion head assembly and an ignition circuit for triggering the explosion head assembly to release energy, and the operation of the ignition circuit is controlled by the control circuit. The invention has the advantages of safety, reliability, similar acousto-optic effect to the traditional firecrackers and high simulation degree.
Description
Technical Field
The invention relates to the technical field of electric firecrackers, in particular to a circuit structure of an acousto-optic simulation electric firecrackers.
Background
In the conditions of coming years and celebrating events, people often set off fireworks and crackers to create a hot atmosphere, and secondly, the potential safety hazard is the frequent occurrence of accidents caused by setting off the fireworks and crackers every year.
Because the setting off of firecrackers can cause great pollution to the environment, the air quality is also seriously reduced when the setting off of firecrackers is intensive before and after the spring festival every year, so that the state sets out a relevant policy of forbidding setting off of firecrackers, the air quality is improved, and the traditional firecrackers are gradually replaced by other firecrackers; the occurrence of the electric firecrackers can just ease the problem.
The electric firecrackers are developed by using modern high-tech electric power technology, and can not generate explosion accidents to hurt people in the processes of production, storage, transportation, sale and 'setting off', have no burst of broken objects, do not have any damage to human bodies and other objects, can be set off indoors and outdoors, and can also be used in urban high-rise buildings. The electric firecrackers are an electric product, so no paper smoke is generated in the 'setting off' process, and air is not polluted. Still because of its special theory of operation, can make the ambient air carry out the ionization to produce the anion of a large amount of clean air, be beneficial healthy, it is a green product to say that, electric power firecrackers product in the market at present only has simple reputation effect, does not have the atmosphere of firecrackers, complicated area oxygen cylinder, liquefied gas tank simultaneously, similar salute car, there is the structure complicacy, the price cost is high, uses inconvenient problem.
Disclosure of Invention
The invention aims to provide a circuit structure and a control method of an acousto-optic simulation electric firecracker, which have the advantages of safety, reliability, similar acousto-optic effect to the traditional firecracker and high simulation degree, and solve the problems pointed out in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a circuit structure of acousto-optic simulation electric firecrackers comprises a circuit for generating electric sparks and explosion sound and a non-contact switch.
The circuit generating electric sparks and explosion sound is connected with a power supply under the action of the contactless switch;
a control circuit;
after the circuit generating electric sparks and explosion sound is connected with a power supply, the circuit generating electric sparks and explosion sound generates corresponding sound and light under the action of the control circuit;
the operation of the contactless switch is controlled by the control circuit.
Preferably, the circuit for generating electric spark and explosion sound comprises a fryer head assembly, a voltage doubling rectifying circuit for charging the fryer head assembly and an ignition circuit for triggering the fryer head assembly to release energy, and the operation of the ignition circuit is controlled by the control circuit.
Preferably, the ignition circuit triggering the circuit generating the electric spark and the explosion sound to release energy comprises an ignition coil and a voltage doubling rectifying circuit for charging the ignition coil, the voltage doubling rectifying circuit comprises a capacitor C4 for supplementing the ignition energy for a high-voltage coil of the ignition coil and a capacitor C5 for storing the energy for a low-voltage coil of the ignition coil, the voltage doubling rectifying circuit consists of a diode D3, a diode D4, a capacitor C3 and a capacitor C4 and is used for charging a capacitor C4, and meanwhile, the voltage doubling rectifying circuit charges a capacitor C5 through an R1 and a low-voltage coil of the ignition coil, and the voltage doubling rectifying circuit further comprises a silicon controlled rectifier Q7 which is connected with a control circuit and is used for opening a discharge ignition for the low-voltage coil and the capacitor C5.
Preferably, the contactless switch is formed by connecting a contactless switch K1 consisting of a controlled silicon Q1, a controlled silicon Q2 and a controlled silicon optocoupler G1 in series with a contactless switch K3 consisting of a controlled silicon Q5, a controlled silicon Q6 and a controlled silicon optocoupler G4 to form a double-pole single-throw switch, a live wire and a zero wire are simultaneously turned on or off, and when the firecracker is not exploded in an electricity insertion state, a circuit for generating electric sparks and explosion sound is not electrified.
Preferably, the circuit structure of the acousto-optic simulation electric power firecracker is two or more groups, and each group is connected in parallel in sequence.
Preferably, the acousto-optic simulation electric power firecracker has two groups of circuit structures, and the circuit structures of the acousto-optic simulation electric power firecracker groups are connected in parallel in sequence and share the contactless switch K3.
Compared with the prior art, the invention has the following beneficial effects:
the invention adopts a non-contact switch to control an energy storage capacitor in the circuit structure to charge, changes the current limiting mode of the series capacitor of the prior electronic firecracker, has the main advantages that the charging power is high and can be increased to more than 5 kilowatts from hundreds of watts, and secondly, when the explosion head discharges and explodes, the electrodes are almost in short circuit, when the electronic switch is in a closed state, the electronic switch cannot influence the power grid, if the series capacitor is only used for limiting the current, the capacitor is too large and has small capacitive reactance, the electric switch can also generate impact on the power grid, the charging power is small and does not have the effect of simulating the firecracker, and the non-contact switch can not cause the problem, and the effect of simulating the firecracker is better and more vivid.
Second, through adopting voltage doubling rectification to charge, can obtain the voltage of 600 volts or so, traditional bridge rectifier voltage is only about 300 volts, according to the electric capacity energy storage and the square of voltage is directly proportional, the high-voltage energy storage is more, under same load, discharge power also is directly proportional with the square of voltage, promote voltage and effectively promote electric spark intensity and sound loudness, choose the capacity of suitable C1, C2 electric capacity can confirm the maximum power of firecrackers, choose suitable C3, C4 can obtain reliable ignition.
And thirdly, the ignition time is selected near the zero crossing of the alternating current, and the capacitor is charged by the rectifying circuit at the moment. The ignition interval is selected after alternating current rectification, n +2 half-wave periods are used as intervals, n changes regularly in the operation process, and therefore the explosion rhythm of small firecrackers is generated, the minimum value of n is selected to be proper, n is too small, charging is not enough, the effect is influenced, and the rhythm is too large and slow.
And fourthly, after ignition and discharge, the plasma between the positive electrode and the negative electrode cannot disappear temporarily, the energy storage capacitor is not suitable to be charged immediately, otherwise, short circuit is caused, certain delay is needed for next charging, and the delay amount a is 2 time windows t and is 20 milliseconds.
And fifthly, two groups of small firecracker units are integrated, one group works in a charging state, the other group works in a time-delay state, and the alternate charging and ignition discharging are carried out, so that the performance effect is improved.
Drawings
FIG. 1 is a schematic diagram of a circuit structure of an acousto-optic simulation electric firecracker of the invention;
FIG. 2 is another schematic circuit diagram of the acousto-optic simulation electric firecracker of the present invention;
FIG. 3 is a control schematic diagram of the circuit structure of the acousto-optic simulation electric firecracker of the invention;
FIG. 4 is a clock pulse diagram of the circuit structure of the acousto-optic simulation electric firecracker of the invention;
FIG. 5 is a schematic structural view of the present invention;
FIG. 6 is a schematic top view of the present invention;
FIG. 7 is a schematic view of a first heat sink according to the present invention;
FIG. 8 is a schematic view of an insulating substrate structure according to the present invention.
In the figure: 1-insulating substrate, 2-positive electrode, 3-negative electrode, 4-high-voltage trigger electrode, 5-discharge explosive head, 6-high-voltage lead, 7-first radiator, 8-positive fixing bolt, 9-first radiator fixing bolt, 10-positive lead, 11-second radiator, 12-negative fixing bolt, 13-second radiator fixing bolt, 14-negative lead, 15-upper radiating substrate, 16-heat conducting column, 17-lower radiating substrate and 18-radiating fin.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, fig. 3 and fig. 4, the present invention provides a technical solution: a circuit structure of acousto-optic simulation electric firecrackers comprises a circuit for generating electric sparks and explosion sound and a non-contact switch.
The circuit generating electric sparks and explosion sound is connected with a power supply under the action of the contactless switch;
a control circuit;
after the circuit generating electric sparks and explosion sound is connected with a power supply, the circuit generating electric sparks and explosion sound generates corresponding sound and light under the action of the control circuit;
the operation of the contactless switch is controlled by the control circuit. The circuit structure is connected with an external power supply, a 220V alternating current power supply can be connected, the power supply supplies power to the whole circuit after being connected, the power supply can charge energy for a circuit for generating electric sparks and explosion sound, and then the module is controlled by a non-contact switch to release the energy. A contactless switch is a new type of switch device composed of microcontroller and power device, and the on-off of the circuit is completed by changing the impedance value of the circuit and changing the load current step by step. The contactless switch has the main characteristics of no movable contact part, no electric arc or spark when in on-off, quick action, long service life, the circuit has high reliability, is suitable for special environments such as fire prevention, explosion prevention, moisture prevention and the like, and changes the current-limiting mode of the series capacitor of the prior electronic firecracker by controlling the energy-storing capacitor in the circuit structure to charge by adopting a non-contact switch, has the main advantages of large charging power which can be increased to more than 5 kilowatts from hundreds of watts, secondly, when the explosion head is discharged and exploded, the electrodes are almost in short circuit, when the electronic switch is in a closed state, the electronic switch cannot influence the power grid, if the electronic switch is connected in series with the capacitor for current limiting, the capacitor is too large and the capacitive reactance is small, the electronic switch can also impact the power grid, the capacitor is small, the charging power is small, the effect of firecrackers is not similar, the problem can not occur by using the non-contact switch, and the effect of simulating the firecrackers is better and more vivid.
Furthermore, the circuit for generating electric spark and explosion sound comprises a frying head assembly, a voltage doubling rectifying circuit for charging the frying head assembly and an ignition circuit for triggering the frying head assembly to release energy, wherein the operation of the ignition circuit is controlled by the control circuit. After an external power supply is connected, the power supply charges the blasting head assembly and the ignition circuit through the voltage doubling rectifying circuit, the conventional electronic firecrackers are generally charged by bridge rectification, the obtained direct-current voltage is about 300V, the electric firecrackers can obtain a voltage of about 600V through voltage doubling rectifying charging, high-voltage energy storage is more according to the fact that the capacitor energy storage is in direct proportion to the square of the voltage, the discharging power is also in direct proportion to the square of the voltage under the same load, the voltage is improved, the strength and the sound loudness of electric sparks are effectively improved, the maximum power of the electric firecrackers can be determined by selecting the capacities of proper C1 and C2 capacitors, and reliable ignition can be obtained by selecting proper C3 and C4. The ignition circuit operates to ignite so that the explosive head assembly can release energy, and electric sparks and explosion sound can be generated when the energy is released, so that the effect of simulating the explosion of the traditional firecracker is achieved.
Further, the ignition circuit for triggering the energy release of the fryer head assembly comprises a capacitor C2 for charging the fryer head assembly, a voltage-doubling rectifying circuit consisting of a diode D1, a diode D2, a capacitor C1 and a capacitor C2 charges a capacitor C2, the fryer head assembly is connected with a capacitor C2 in series, and after the voltage-doubling rectifying circuit consisting of a diode D1, a diode D2, a capacitor C1 and a capacitor C2 charges a capacitor C2, the capacitor C2 provides electric energy for the fryer head assembly for subsequent energy release.
Further, the ignition circuit triggering the circuit generating the electric spark and the explosion sound to release energy comprises an ignition coil and a voltage doubling rectifying circuit for charging the ignition coil, the voltage doubling rectifying circuit comprises a capacitor C4 for supplementing the ignition energy for a high-voltage coil of the ignition coil and a capacitor C5 for storing the energy for a low-voltage coil of the ignition coil, the voltage doubling rectifying circuit consists of a diode D3, a diode D4, a capacitor C3 and a capacitor C4 to charge a capacitor C4, and simultaneously the capacitor C5 is charged through the R1 and the low-voltage coil of the ignition coil, the ignition circuit also comprises a silicon controlled rectifier Q7 which is connected with a controller and is used for starting discharging and igniting the low-voltage coil and the capacitor C5, the electric energy of the capacitor C5 is discharged through the low-voltage coil of the ignition coil T1 and the silicon controlled rectifier Q7 to generate high voltage in the high-voltage coil of the ignition coil T1, and the voltage returns to the high-voltage coil through a side electrode of an explosion head, a negative electrode and the capacitor C4 to form breakdown current, a small electric arc is generated, the plasma of the small electric arc forms a discharge loop for the capacitor C4, the electric energy of the capacitor C4 is discharged at the side pole and the negative pole of the explosion head through the high-voltage coil to generate a plasma, the plasma is attracted by the positive pole of the explosion head to form a current channel between the positive pole and the negative pole, and the electric energy stored in the capacitor C2 is rapidly released from the explosion head to form a strong electric spark and an explosion sound.
Furthermore, the contactless switch is formed by connecting K1 consisting of a controlled silicon Q1, a controlled silicon Q2 and a controlled silicon optocoupler G1 in series with K3 consisting of a controlled silicon Q5, a controlled silicon Q6 and a controlled silicon optocoupler G4 to form a double-pole single-throw switch, a live wire and a zero wire are simultaneously opened or closed, and when the firecracker is not exploded in an electricity insertion state, a module for generating electric sparks and explosion sound is not electrified.
Furthermore, the circuit structure of the acousto-optic simulation electric power firecracker is two or more groups, and the groups are connected in parallel in sequence. The circuit structures of the multiple groups of acousto-optic simulation electric firecrackers are connected in parallel and work in a staggered mode, so that a more intensive acousto-optic effect is generated, the effect of simulating the explosion of the multiple groups of firecrackers is achieved, and the hot and alarming atmosphere is improved.
Furthermore, the circuit structures of the acousto-optic simulation electric power firecracker are divided into two groups, the circuit structures of the two groups of acousto-optic simulation electric power firecrackers are sequentially connected in parallel and share the non-contact switch K3, and the circuit structures of the two groups of acousto-optic simulation electric power firecrackers are more vivid in staggered work effect and better in atmosphere effect. Three groups can be designed according to the same principle, so that the intensity of explosion sound is improved.
The invention also provides another circuit structure, as shown in fig. 2: the invention provides another technical scheme: the voltage doubling rectifying circuit is suitable for the energy storage of the electrolytic capacitor with lower voltage, firstly, the circuit structure is connected with an external power supply and can be connected with a 220V 50Hz alternating current power supply, and a circuit for generating electric sparks and explosion sound comprises an explosion head assembly, a non-contact switch for controlling the charging of the module, a voltage doubling rectifying circuit for charging the explosion head assembly and an ignition circuit for triggering the explosion head assembly to release energy, wherein the voltage doubling rectifying circuit and the ignition circuit are coordinately controlled by a firecracker controller and are controlled to operate according to a set program; firstly, the A group of switches of the firecracker controller controls output current to an optical coupler silicon controlled optocoupler G1, a silicon controlled optocoupler G3 and G4, and a contactless switch K1, K2, K3 and a 220V 50Hz alternating current power supply is switched on, wherein a main current passes through a contactless switch K1 consisting of a silicon controlled Q1, a silicon controlled Q2, a silicon controlled optocoupler G1 and R2, a diode D1, a diode D2, a capacitor C1 and a voltage doubling rectifying circuit consisting of a capacitor C2, a silicon controlled Q3, a silicon controlled Q4, a silicon controlled optocoupler G3 and a contactless switch K2 consisting of a R3 to form a loop and charge capacitors C1 and C2; another auxiliary current flows through K1, diode D3, diode D4, capacitor C3 and capacitor C4 to form the voltage-multiplying rectification circuit, the controlled silicon Q5, controlled silicon optocoupler G4, R4, formed contactless switch K3 and resistor R5 form a loop to charge capacitors C3 and C4, and simultaneously charges capacitor C5 through the low-voltage coil of R1 and ignition coil, after the end of w half-wave charging cycles, the group A switches control the interruption of output current, contactless switches K1, K2 and K3 are turned off and stop charging, then the group A ignition control output current turns on the controlled silicon Q6, the electric energy on the capacitor C5 is discharged through the low-voltage coil of the ignition coil, the high-voltage coil of the ignition coil induces about ten thousand volts of high voltage, the trigger and the negative electrode of the explosion head generate discharge to form a small arc, thereby forming a loop for the electric energy of two capacitors C3 and C4 connected in series to supplement the ignition energy, the plasma is attracted by a positive electrode and a negative electrode of the explosion head, and forms a loop for the electric energy of two capacitors C1 and C2 which are connected in series, and the electric spark and explosion sound are generated by the large-current discharge; the explosion is finished within 1 millisecond, next 20 milliseconds are explosion time delay, the contactless switches K1, K2 and K3 are kept closed, and when the next charging interval comes, the contactless switches K1, K2 and K3 are opened to enter the next explosion period. The R5 has the effects that the current grades of the contactless switches K2 and K3 are different, the K2 is larger than the K3, generally, the K3 is started first and then closed, and at the moment, the main current can flow through the K3 to cause overload damage, and because the time is short, the series connection of the R5 is used for limiting the current, the damage of the K3 can be avoided, and the charging influence on the auxiliary capacitors C3 and C4 is small.
As shown in fig. 3, the present invention further includes a firecracker controller, the firecracker controller can be programmed by using chips such as a digital circuit or a single chip as a carrier, the firecracker controller is connected to a power supply with corresponding voltage, an input end of the controller can be switched on and off by using a remote controller or a manual switch, the input end of the controller is also connected to a temperature detection module, the temperature detection module includes one or more temperature sensors, the temperature sensors can be arranged at heating elements such as a capacitor and a diode in the circuit structure, and can also be arranged in a blasting head assembly, the temperature sensors convert the received temperature into electric signals to send the electric signals to the firecracker controller, and when the signals of overheating of the elements are received, the firecracker controller controls the whole circuit structure to be forcibly closed, so that the circuit structure and the elements are protected, and the safety and the service life are improved. The output end of the firecracker controller is connected with the ignition circuit and the contactless switch, and the operation of the contactless switch and the ignition circuit can be controlled through the firecracker controller after programming.
As shown in fig. 5-8, the explosive head assembly includes an insulating substrate 1, the top of the insulating substrate 1 is a plane, the insulating substrate 1 is respectively provided with a positive electrode 2, a negative electrode 3 and a high-voltage trigger electrode 4, the positive electrode 2 and the negative electrode 3 are respectively symmetrically arranged at two sides of the high-voltage trigger electrode 4, one ends of the positive electrode 2, the negative electrode 3 and the high-voltage trigger electrode 4, which are matched, are respectively provided with a discharge explosive head 5, and the bottom of the high-voltage trigger electrode 4 is connected with a high-voltage lead 6;
a first radiator 7 is further arranged between the positive electrode 2 and the insulating substrate 1, the positive electrode 2, the first radiator 7 and the insulating substrate 1 are fixedly connected in a penetrating manner through a positive fixing bolt 8, four corners of the first radiator 7 are fixedly connected with the insulating substrate 1 through first radiator fixing bolts 9, and a bottom connecting lug of the positive fixing bolt 8 is connected with a positive lead 10;
a second radiator 11 is further arranged between the negative electrode 3 and the insulating substrate 1, the negative electrode 3, the second radiator 11 and the insulating substrate 1 are fixedly connected through a negative fixing bolt 12, four corners of the second radiator 11 are fixedly connected with the insulating substrate 1 through a second radiator fixing bolt 13, and a negative lead 14 is connected to a bottom connecting lug of the negative fixing bolt 12.
The first radiator 7 and the second radiator 11 both comprise an upper radiating substrate 15, a heat conducting column 16 and a lower radiating substrate 17, two ends of the heat conducting column 16 are respectively connected with the upper radiating substrate 15 and the lower radiating substrate 17, and a plurality of radiating fins 18 are symmetrically arranged on two opposite side walls of the heat conducting column 16.
The positive electrode 2 and the negative electrode 3 are both in an inverted L shape.
The first radiator 7 and the second radiator 11 are made of aluminum alloy, and the aluminum alloy material is low in cost and good in radiating effect.
The insulating substrate 1 is made of an insulating rubber plate, bakelite or plastic product, and is required to have good high-temperature resistance.
The discharge frying head 5 is made of tungsten alloy or graphite copper electrode.
The high-voltage trigger electrode 4 is made of tungsten alloy.
The invention relates to a high-energy blasting head structure assembly of acousto-optic simulation electronic firecrackers, which is characterized in that high-energy electric power is led through an anode lead 10 and a cathode lead 14 to supply power to a discharge blasting head of an anode 2 and a discharge blasting head of a cathode 3, high-voltage electricity is led to a high-voltage trigger electrode 4 through a high-voltage lead 6, peripheral gas is ionized by breakdown of the discharge blasting head of the cathode 3, ions are attracted by an electric field between the discharge blasting heads of the anode 2 and the discharge blasting head of the cathode 3, so that the high-energy electric power between the two blasting heads forms a path to generate discharge, and explosion sound and strong light simulating the firecrackers are emitted between the two blasting heads. All be provided with the radiator between positive negative electrode and insulating substrate 1, can realize the high-efficient heat dissipation to frying a first structure, avoid frying first high temperature, promoted the energy level that explodes the head and discharge, prolonged the operating time and the life of frying the head
The working principle is as follows: referring to fig. 1-8, the present invention provides a technical solution: the circuit structure is connected with an external power supply and can be connected with a 220V 50Hz alternating current power supply, a circuit for generating electric sparks and explosion sound comprises an explosion head assembly, a non-contact switch for controlling the charging of the module, a voltage doubling rectifying circuit for charging the explosion head assembly and an ignition circuit for triggering the explosion head assembly to release energy, and the circuit structure is coordinated and controlled by a firecracker controller and is controlled to operate according to a set program; firstly, a switch A group of a firecracker controller controls output current to an optical coupler silicon controlled optical coupler G1 and a silicon controlled optical coupler G4, a contactless switch K1 and a contactless switch K3 are switched on, a 220V 50Hz alternating current power supply passes through a voltage-multiplying rectifying circuit consisting of a silicon controlled Q1, a silicon controlled Q2 and a silicon controlled optical coupler G1, a contactless switch K1 consisting of a diode D1, a diode D2, a capacitor C1 and a capacitor C2, and a contactless switch K3 consisting of a silicon controlled Q5, a silicon controlled Q6 and a silicon controlled optical coupler G4 form a loop to charge the capacitor C2; the diode D3, the diode D4, the capacitor C3 and the capacitor C4 form the voltage-doubling rectifying circuit to charge the capacitor C4, simultaneously, the capacitor C5 is charged through the R1 and the low-voltage coil of the ignition coil, after the charging time w is over, the A group of switches control the interruption of the output current, the non-contact switch K1 and the non-contact switch K3 are turned off, the charging is stopped, then the group A is ignited to control the output current, the silicon controlled rectifier Q7 is switched on, the electric energy on the capacitor C5 is discharged through the low-voltage coil of the ignition coil, the high-voltage coil of the ignition coil induces about ten thousand volts of high-voltage electricity, the trigger electrode and the negative electrode of the explosion head generate discharge to form a small electric arc, thus, the electric energy of the capacitor C4 forms a loop to supplement the ignition energy and form a plasma, the plasma is attracted by the positive electrode and the negative electrode of the explosion head, and forms a loop for the electric energy of the capacitor C2, and electric sparks and explosion sound are generated by large-current discharge; the explosion is naturally finished within 1 millisecond, the next 20 milliseconds are explosion time delay, the non-contact switch K1 and the non-contact switch K3 are kept closed, and when the next charging interval comes, the non-contact switch K1 and the non-contact switch K3 are opened to enter the next explosion period.
A, B two groups of small firecracker units are integrated, the two groups of circuit structures are the same, the firecracker controller controls the B group according to a set program, one group is in a time delay state, the other group works in a charging state, and the B group and the charging state are alternately charged and ignited to discharge so as to achieve more intensive explosion sound and electric spark and improve atmosphere, and more than two groups of circuits can be arranged on the basis of the principle so as to improve the effect, and the effect is generally not more than six groups.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (1)
1. The utility model provides a circuit structure of reputation emulation electric power firecrackers which characterized in that: comprises a circuit for generating electric spark and explosion sound, and a contactless switch;
the circuit generating electric sparks and explosion sound is connected with a power supply under the action of the contactless switch;
a control circuit;
after the circuit generating electric sparks and explosion sound is connected with a power supply, the circuit generating electric sparks and explosion sound generates corresponding sound and light under the action of the control circuit;
the operation of the contactless switch is controlled by the control circuit;
the circuit for generating electric spark and explosion sound comprises a frying head assembly, a voltage doubling rectifying circuit for charging energy for the frying head assembly and an ignition circuit for triggering the frying head assembly to release energy, wherein the operation of the ignition circuit is controlled by the control circuit;
the circuit for generating electric spark and explosion sound comprises a capacitor C2 for storing energy for an explosion head assembly, and a voltage-doubling rectifying circuit consisting of a diode D1, a diode D2, a capacitor C1 and a capacitor C2 is used for charging a capacitor C2;
the ignition circuit triggering the circuit generating electric spark and explosion sound to release energy comprises an ignition coil and a voltage doubling rectifying circuit for charging the ignition coil, wherein the voltage doubling rectifying circuit comprises a capacitor C4 for supplementing ignition energy to a high-voltage coil of the ignition coil and a capacitor C5 for storing energy to a low-voltage coil of the ignition coil, the voltage doubling rectifying circuit consists of a diode D3, a diode D4, a capacitor C3 and a capacitor C4 and charges a capacitor C4, and meanwhile, the low-voltage coil passing through the R1 and the ignition coil charges the capacitor C5, and the ignition circuit further comprises a silicon controlled rectifier Q7 which is connected with a control circuit and is used for turning on the low-voltage coil and the capacitor C5 to discharge and ignite;
the contactless switch is formed by connecting a contactless switch K1 consisting of a controlled silicon Q1, a controlled silicon Q2 and a controlled silicon optocoupler G1 with a contactless switch K3 consisting of a controlled silicon Q5, a controlled silicon Q6 and a controlled silicon optocoupler G4 in series to form a double-pole single-throw switch, a live wire and a zero wire are simultaneously opened or closed, and when the firecracker is not exploded in an electricity insertion state, a circuit for generating electric sparks and explosion sound is not electrified;
the circuit structures of the acousto-optic simulation electric firecrackers are two groups, and the circuit structures of the acousto-optic simulation electric firecrackers in each group are connected in parallel in sequence and share a non-contact switch K3;
two groups of small firecracker units are integrated, one group works in a charging state, and the other group works in a time-delay state, alternately charges and discharges by ignition.
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| US10161725B1 (en) * | 2007-10-23 | 2018-12-25 | Excelitas Technologies Corp. | Initiator |
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| CN2211309Y (en) * | 1994-04-12 | 1995-11-01 | 陈彦忠 | Electronic flashing firecrackers |
| CN110433501A (en) * | 2018-05-06 | 2019-11-12 | 徐福成 | A kind of high artificial intelligence electronic firecracker of AC and DC |
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| CN2121257U (en) * | 1992-03-17 | 1992-11-11 | 李溪源 | Electronic flash firecracker |
| CN1074533A (en) * | 1992-12-05 | 1993-07-21 | 辽源市电子仪器厂 | Flameproof locked contactless igniter |
| CN2546065Y (en) * | 2002-05-22 | 2003-04-23 | 管玉振 | Electronic fire crackers |
| US10161725B1 (en) * | 2007-10-23 | 2018-12-25 | Excelitas Technologies Corp. | Initiator |
| CN204902684U (en) * | 2015-08-20 | 2015-12-23 | 李文华 | Multi -functional environmental protection electron firecrackers |
| TWM569648U (en) * | 2018-08-13 | 2018-11-11 | 朱晉杰 | Electronic firecracker |
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