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WO2013006983A1 - Dispositif d'allumage à fusible électrique, détonateur électrique et détonateur électronique le comprenant, et procédé pour fabriquer un détonateur électrique et un détonateur électronique - Google Patents

Dispositif d'allumage à fusible électrique, détonateur électrique et détonateur électronique le comprenant, et procédé pour fabriquer un détonateur électrique et un détonateur électronique Download PDF

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Publication number
WO2013006983A1
WO2013006983A1 PCT/CN2011/001135 CN2011001135W WO2013006983A1 WO 2013006983 A1 WO2013006983 A1 WO 2013006983A1 CN 2011001135 W CN2011001135 W CN 2011001135W WO 2013006983 A1 WO2013006983 A1 WO 2013006983A1
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WO
WIPO (PCT)
Prior art keywords
electric
detonator
ignition device
ignition
resistor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2011/001135
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English (en)
Chinese (zh)
Inventor
杨劲军
罗军
赵继鹏
王齐亚
张丽
王安江
龙建华
黄小兵
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
XINJIANG CHUANGANDA ELECTRON T&S DEVELOPMENT Co Ltd
Original Assignee
XINJIANG CHUANGANDA ELECTRON T&S DEVELOPMENT Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by XINJIANG CHUANGANDA ELECTRON T&S DEVELOPMENT Co Ltd filed Critical XINJIANG CHUANGANDA ELECTRON T&S DEVELOPMENT Co Ltd
Priority to PCT/CN2011/001135 priority Critical patent/WO2013006983A1/fr
Publication of WO2013006983A1 publication Critical patent/WO2013006983A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B3/00—Blasting cartridges, i.e. case and explosive
    • F42B3/10—Initiators therefor
    • F42B3/12—Bridge initiators
    • C—CHEMISTRY; METALLURGY
    • C06—EXPLOSIVES; MATCHES
    • C06C—DETONATING OR PRIMING DEVICES; FUSES; CHEMICAL LIGHTERS; PYROPHORIC COMPOSITIONS
    • C06C9/00—Chemical contact igniters; Chemical lighters

Definitions

  • Electric fuse ignition device, electric detonator and electronic detonator therewith and manufacturing method thereof are Electric fuse ignition device, electric detonator and electronic detonator therewith and manufacturing method thereof
  • the present invention relates to an electric fuse ignition device, an electric detonator and an electronic detonator therewith, and a method of manufacturing the same, and, in particular, to a membrane resistance electric fuze ignition device, an electric detonator and an electronic detonator including the same, and a method of manufacturing the same.
  • a detonator is a device that ignites an ignition tip by a fuze ignition device and then detonates various explosives.
  • the detonator was invented by Nobel in 1865. Nobel discovered that the mercury sulphate was placed in a small tube to form a detonator that could be used to detonate nitroglycerin after adsorption with diatomaceous earth.
  • the electric detonator generally utilize a bridge wire and an ignition tip as a fuze ignition device.
  • the electric detonator generally comprises a casing, an explosive installed at the bottom of the casing, an ignition tip mounted on the upper portion of the explosive, and an electrode plug, wherein the electrode plug comprises two wires integrally formed with the electrode plug body, and the two wires are directed toward the point The direction of the gun head extends from the electrode plug body and is bent inward to form an electrode with a gap between the electrodes, and the electrodes are generally connected by a bridge wire.
  • the power supply device is used to supply energy to the bridge wire, so that the bridge wire generates Joule heat, and the ignition head is heated to a certain temperature, thereby igniting the ignition head and then detonating the explosive.
  • the traditional electronic detonator electrically connects the bridge wire to the electronic detonator circuit control board through a wire.
  • the electronic detonator circuit control board supplies energy to the bridge wire, causing the bridge wire to generate Joule heat, and heating the ignition head to a certain temperature, thereby igniting the ignition point.
  • the gunpowder head and then the explosives.
  • An object of the present invention is to provide an electric fuse ignition device, an electric detonator and an electronic detonator including the same, and a method of manufacturing the same to solve the problems of the prior art.
  • the electric fuze ignition device provided by the present invention is realized by the following technical solutions:
  • One aspect of the present invention provides an electric fuze ignition device including a membrane resistor and an ignition tip, wherein an ignition tip is attached to a membrane resistor, and the power supply device is capable of supplying energy to the membrane resistor so that the membrane resistance is generated sufficiently Joule heat and heat the ignition tip to a set temperature to ignite the ignition tip.
  • an electric bow I signal ignition device wherein the film resistance is a chip type film resistor or a lead type film resistor.
  • an electric bow I signal ignition device wherein the film resistance is one of an alloy film resistance, a metal oxide film resistance, and a carbon film resistance.
  • the chip-type film resistor includes a body and two electrodes disposed on the body, and the two electrodes of the chip-type film resistor can be automatically soldered by means of a chip. Soldering to the pad of the electronic detonator circuit control board, at this time, the electronic detonator circuit control board controls the discharge of the capacitor as the power supply device to the film resistance.
  • an electric fuse ignition device includes a body and two electrodes disposed on the body, and the two electrodes of the chip resistor can be soldered to the electric detonator electrode by automatic welding.
  • the power source or capacitor acts as a power supply device to supply energy to the membrane resistor.
  • an electric fuse ignition device includes a body and two pins extending from the body, and the two pins of the lead type film resistor can be soldered to each other by automatic soldering.
  • the power source or capacitor acts as a power supply device to supply energy to the membrane resistor.
  • an electric bow I signal ignition device wherein the ignition medicine head It is a composition comprising a composition of lead cyanide and potassium chlorate, lead azide, thunder mercury, and a composition including charcoal and potassium chlorate.
  • the electric fuze ignition device according to the present invention has the advantages that: since the membrane resistance manufacturing process is simple, low in cost, and high in yield, the electric fuze ignition device manufactured therefrom has the advantages of simple manufacture, low cost, and high yield.
  • the electric fuze ignition device also has the advantages that: the resistance of the film resistor is high and adjustable (up to 0.05%) is much higher than the resistance of the bridge wire (about 25%), and the film resistance
  • the electric fuse ignition device can be automatically soldered to the electric detonator or the electronic detonator (the contact resistance is not introduced), and thus, the electric detonator or the electronic detonator manufactured by the electric detonator can have a more accurate accuracy.
  • the electric fuze ignition device according to the present invention is also advantageous in that: the membrane resistance electric fuze ignition device is not easily broken during the welding process of automatic welding to the electric detonator or the electronic detonator, and thus the cost of the electric detonator or the electronic detonator manufactured thereby is Reduce their rate of rejection.
  • the electric detonator provided by the present invention comprising the electric fuze ignition device according to the present invention is realized by the following technical solutions:
  • an electric detonator including an electric fuze ignition device according to the present invention, wherein a membrane resistance of the electric fuze ignition device is electrically connected to an electrode of the electric detonator electrode plug, and the power source or the capacitor is used as a power supply.
  • the device energizes the membrane resistance such that the membrane resistance generates sufficient Joule heat and heats the ignition tip to a set temperature, thereby igniting the ignition tip and detonating the electric detonator.
  • the electric detonator including the electric fuze ignition device according to the present invention has the advantages that: the electric fuze ignition device is simple in manufacture, low in cost, high in yield, and the electric fuze ignition device is electrically connected to the electric detonator by automatic welding, which makes the Electric detonators also have the advantages of simple production, low cost and high yield.
  • the electric detonator including the electric fuze ignition device according to the present invention has the advantages of: since the film resistance is high, the contact resistance is not introduced when the film resistance is welded to the electric detonator, and thus, the inclusion of the contact resistance according to the present invention
  • the electric detonator of the electric fuse ignition device has a more accurate detonation accuracy.
  • the electric detonator including the electric fuze ignition device according to the present invention has the following advantages:
  • the electric resistance fuze ignition device is not easily broken during the welding process of automatic welding to the electric detonator, and thus the cost of the electric detonator manufactured therefrom is reduced and their repelling rate is lowered.
  • the electronic detonator provided by the present invention comprising the electric fuze ignition device according to the present invention is realized by the following technical solutions:
  • an electronic detonator including an electric fuze ignition device according to the present invention, wherein a membrane resistance of the electric fuze ignition device is electrically connected to a pad of an electronic detonator circuit control board, and the electronic detonator circuit
  • the control board acts as a power supply means to supply energy to the membrane resistor such that the membrane resistance generates sufficient Joule heat and the ignition tip is heated to a set temperature, thereby igniting the ignition tip, thereby detonating the electronic detonator.
  • the advantages of the electronic detonator including the electric fuze ignition device according to the present invention are as follows: the electric fuze ignition device is simple in manufacture, high in cost, high in yield, and the electric fuze ignition device is electrically connected to the electronic detonator by automatic patch welding.
  • the electronic detonator also has the advantages of simple manufacture, high cost, and high yield.
  • the electronic detonator including the electric fuze ignition device according to the present invention has the advantages of: since the film resistance is high, the contact resistance is not introduced when the film resistance is soldered to the electronic detonator, and thus, the inclusion of the device according to the present invention
  • the electronic detonator of the electric fuse ignition device has a more accurate detonation accuracy.
  • the electronic detonator including the electric fuze ignition device according to the present invention has the advantages that: the membrane resistance electric fuze ignition device is not easily broken during the welding process of automatic welding to the electronic detonator, and thus the cost of the electronic detonator manufactured therefrom is low and is lowered. Their rate of rejection.
  • Step 1 providing a film resistance and soldering it to an electrode integrally formed with the electric detonator electrode plug;
  • Step 2 providing an ignition tip and wrapping it onto the membrane resistor to form an electrical fuse ignition device
  • Step 3 Pass the electrode plug through the housing of the electric detonator with the opening, so as to assemble the electric fuze ignition device into the housing of the electric detonator, wherein the electric fuze is passed through the power source or the capacitor
  • the membrane resistance of the ignition device provides energy to cause the membrane resistance to generate sufficient coke heat and to heat the ignition tip to a set temperature, thereby igniting the ignition tip and thereby detonating the electric detonator.
  • An advantage of the method of manufacturing an electric detonator according to the above further technical solution of the present invention is that it has the advantages of high assembly automation, accuracy and reliability, high yield, and low cost.
  • Still another technical solution of the present invention provides a method of manufacturing an electronic detonator, wherein:
  • Step 1 Provide a chip-type film resistor and solder it to the pad on one end of the electronic detonator circuit control board;
  • Step 2 providing an ignition tip and wrapping it onto the chip resistor to form an electrical ignition device
  • Step 3 electrically connecting the other end of the electronic detonator circuit control board to the wire of the electronic detonator electrode plug, and electrically connecting the electronic detonator circuit control board and the electronic detonator electrode plug electrically connected through the housing of the electronic detonator with the opening , in order to assemble the electric fuze ignition device into the housing of the electronic detonator, wherein the electronic detonator circuit control board controls the discharge of the capacitor to the membrane resistance of the electric fuze ignition device, so that the membrane resistance generates sufficient coke heat and the ignition tip is heated to The temperature is set to ignite the ignition tip and detonate the electronic detonator.
  • the method for manufacturing an electronic detonator according to still another aspect of the present invention is advantageous in that it has the advantages of high assembly automation, accuracy and reliability, high yield, and low cost.
  • Figure 1 shows an exploded electric ignition device of the present invention
  • FIG. 2 shows an integrated electric fuse ignition device in accordance with the present invention. List of parts and labels
  • Fig. 1 shows an exploded electric ignition device according to the present invention.
  • Figure 2 shows an integrated electric fuze ignition device in accordance with the present invention.
  • an electric fuse ignition device according to the present invention includes a membrane resistor 10 and an ignition tip 30 to which an ignition tip 30 is attached.
  • the film resistor 10 may be a chip resistor or a lead film resistor.
  • the film resistor 10 may be an alloy film resistor, a metal oxide film resistor, a carbon film resistor or the like.
  • the alloy film resistance may be, for example, an alloy film resistance whose main component is Ni80Cr20; the metal oxide film resistance may be a metal oxide film resistance such as yttrium oxide; and the carbon film resistance may be, for example, a carbon film resistance whose main component is carbon. . It will be readily understood by those skilled in the art that other film resistors can be utilized and this will also fall within the scope of the present invention.
  • the ignition tip 30 is attached to the membrane resistor 10 by, for example, automatic dripping or dripping, and can be used after drying at room temperature for 24 hours.
  • the ignition tip 30 can be, for example, a composition including lead thiocyanate and a chloric acid clock or lead azide, thunder mercury, and a composition including charcoal and potassium chlorate.
  • Skill It will be readily understood by those skilled in the art that the ignition tip 30 can be attached to the membrane resistor 10 using other ignition means or other means of attachment (e.g., manual) or other means of drying, and this will also fall within the present invention. Within the scope of protection.
  • the membrane resistor 10 of the electric fuse ignition device of the present invention can be electrically connected to an electric detonator or an electronic detonator.
  • the power source or capacitor or the capacitor controlled by the electronic detonator circuit board can be used as a power supply device to supply energy to the membrane resistor 10 of the electric fuse ignition device, so that the membrane resistor 10 generates sufficient Joule heat to heat the ignition head 30 to the set temperature. Thereby, the ignition head 30 is ignited.
  • the comparison of three different membrane resistance electrical fuse ignition devices with two conventional bridge wire electrical fuse ignition devices will verify the use of the membrane resistor (instead of the bridge wire) of the present invention.
  • the advantages of the fuze ignition device The specific construction of three different membrane reluctance ignition devices and two conventional bridge wire electrical fuse ignition devices are shown in Table 1. As shown in Table 1, the ignition tip used in these electric fuze ignition devices is a combination of lead thiocyanate and potassium chloride, and the length of the bridge wires of the two conventional bridge wire electric fuze ignition devices is 3 mm. The diameters are 0.25mm and 0.40mm respectively, and the main component of the bridge wire is Ni80Cr20.
  • the resistance of the three different membrane resistance electric fuze ignition devices is about 6 ohms, wherein the main component of the alloy membrane resistance is Ni80Cr20; the main component of the metal oxide membrane resistor is yttrium oxide; the main component of the carbon membrane resistor is carbon.
  • Table 1 Composition of five kinds of electric fuze ignition devices
  • the bridge wires of the two types of bridge wire electric fuse ignition devices are electrically connected to the electrodes of the electrode plugs of the electric detonators by means of transmission, and the film resistances of the three different membrane resistance electric fuze ignition devices are electrically connected by soldering to The electrode of the electrode plug of the electric detonator.
  • Table 2 shows the five sets of detonation tests corresponding to the above five types of electric fuze ignition devices, wherein each group includes 22 corresponding electric fuze ignition devices.
  • a voltage-regulating DC stabilized power supply is used to charge the lOOuF capacitors of different voltage levels, and then discharged to the manufactured electric fuze ignition device through the capacitor.
  • the following steps are used for different materials (membrane resistance or bridge wire)
  • the electric fuse ignition device performs the detonation test experiment of different capacitance capacity and charging voltage. Specific steps are as follows:
  • Table 2 Five sets of detonation tests corresponding to five kinds of electric fuze ignition devices
  • the bridge wire type electric fuze ignition device with a diameter of 0.25 mm sometimes ignites the ignition head and forms an explosion effect when the applied voltage is less than 19v, and sometimes it does not; likewise, a 0.40mm bridge wire type
  • the electric fuze ignition device may also occasionally ignite the ignition head and form an explosion effect when the applied voltage is less than 17v, which sometimes does not occur; this indicates that the performance of the bridge wire electric fuze ignition device is unstable, and this instability is due to the bridge.
  • the resistance error (the bridge resistance of the bridge wire is up to about 25%) occurs during wire manufacturing and electrical connection.
  • the three membrane resistance electric fuze ignition devices can ignite the ignition tip and form an explosion effect above the respective set voltages, which indicates that the performance of the membrane resistance electric fuze ignition device is relatively stable, and the stability is stable. It is due to the fact that the resistance of the film resistor is not excessively caused by the manufacturing process and the electrical connection process (the resistance of the film resistor is high and adjustable, for example, up to 0.05%). 4) It can be seen from Table 2 that when the applied voltage is not less than 19v, the membrane resistance electric fuze ignition device using Ni80Cr20 material and the 0.4mm diameter bridge wire electric fuze ignition device can ignite the ignition head and form an explosion effect. These two electric fuze ignition devices are equally effective.
  • the membrane resistance can replace the bridge wire to manufacture the electric fuse ignition device according to the present invention. It should be noted that it is easy for those skilled in the art to understand that the membrane resistance can replace the bridge wire with other types of ignition tips (such as lead azide, thunder mercury or a combination of charcoal and chloric acid 4) to form an electrical fuze. Ignition device. At this time, it is necessary to set a corresponding applied voltage according to the characteristics of the ignition tip to supply energy to the membrane resistor to generate sufficient Joule heat, thereby heating the corresponding ignition head to a set temperature, thereby igniting the ignition head.
  • ignition tips such as lead azide, thunder mercury or a combination of charcoal and chloric acid 4
  • the advantage of the electric fuze ignition device according to the present invention is that: since the membrane resistor manufacturing process is simple, low in cost, and high in yield, the electric fuze ignition device manufactured therefrom has the advantages of simple manufacture, low cost, and high yield. .
  • the electric fuze ignition device has the advantages of: high precision and adjustable (up to 0.05%) of the resistance of the film resistor is higher than the resistance of the bridge wire (about 25%), and the film resistance is
  • the fuze ignition device can be automatically soldered to an electric detonator or an electronic detonator (the contact resistance is small and negligible), thus making the electric detonator or electronic detonator manufactured by it more accurate in detonation accuracy.
  • the advantage of the electric fuze ignition device according to the present invention is that: the membrane resistance electric fuze ignition device is not easily broken during the welding process of automatic welding to the electric detonator or the electronic detonator, and thus the cost of the electric detonator or the electronic detonator manufactured thereby. And will reduce their rate of rejection.
  • an electric fuse ignition device in accordance with the present invention can be incorporated into prior art electronic detonators.
  • the film resistor 10 is preferably a chip type film resistor including a body and two electrodes 10a and 10b provided on the body.
  • the chip type film resistor 10 is soldered to the pads 21a, 21b of the electronic detonator circuit control board 20 by an automatic mounter in an automatic patching manner, and then the ignition head 30 is attached to the film.
  • the manner in which the ignition tip 30 is connected to the film resistor and the type thereof are as described above. It should be noted that the assembly of the electric fuse ignition device and the electronic detonator according to the present invention can be realized by the existing assembly method and will not be described herein.
  • the electronic detonator circuit control board 20 controls the discharge of the capacitor to the membrane resistor 10 to provide sufficient energy to the membrane resistor 10 such that it generates sufficient Joule heat to heat the ignition tip. 30 to the set temperature, and then ignite the ignition head 30, and finally detonate the electronic detonator.
  • the electronic detonator including the electric fuze ignition device according to the present invention has the advantages that: the electric fuze ignition device is simple to manufacture, the cost is high, the yield is high, and the electric fuze ignition device is electrically connected to the electronic detonator by automatic patch welding. This makes the electronic detonator also have the advantages of simple fabrication and high cost yield.
  • the electronic detonator including the electric fuze ignition device according to the present invention has the advantages of: since the film resistance is high, the contact resistance is not introduced when the film resistance is welded to the electronic detonator, and thus, the inclusion of the contact resistance according to the present invention
  • the electronic detonator of the electric fuse ignition device has a more accurate detonation accuracy.
  • the electronic detonator including the electric fuze ignition device according to the present invention has the advantages that: the membrane resistance electric fuze ignition device is not easily broken during the welding process of automatic welding to the electronic detonator, and thus the cost of the electronic detonator manufactured therefrom is low and is lowered. Their rate of rejection.
  • an electric fuse ignition device in accordance with the present invention can be assembled into an electric detonator.
  • the electric fuse ignition device according to the present invention includes a film resistor 10 and an ignition tip 30.
  • the film resistor 10 is a chip-type film resistor or a lead-type film resistor, and the chip-type film resistor can be soldered to the electric detonator by an automatic soldering method (electricity)
  • the detonator configuration is seen on the two electrodes of the electrode plug of the background art.
  • the lead type film resistor comprises a body and two pins connected to the body, and the two pins of the lead type film resistor can be soldered to the electric detonator by electric welding (the electric detonator is seen in the background art) On the electrode.
  • the electric fuze ignition device and the electric detonator assembly method according to the present invention can be implemented in an existing manner, and will not be described herein.
  • a sufficient voltage is applied to the membrane resistor 10 by a power source or a capacitor disposed in the electric detonator to provide sufficient energy to the membrane resistor 10, thereby causing the membrane resistor 10 to generate sufficient Joules.
  • Heat heats the ignition head 30 to a set temperature, which in turn ignites the ignition head 30, eventually detonating the electric detonator.
  • the electric detonator including the electric fuze ignition device of the invention has the advantages that: the electric fuze ignition device is simple in manufacture, low in cost, high in yield, and the electric fuze ignition device is electrically connected to the electric detonator by automatic welding, which makes the electric detonator It also has the advantages of simple production, low cost and high yield.
  • the electric detonator including the electric fuze ignition device according to the present invention is also advantageous in that: since the film resistance resistance is high, the contact resistance is not introduced when the film resistance is welded to the electric detonator, and thus, the inclusion of the contact resistance according to the present invention
  • the electric detonator of the electric fuse ignition device has a more accurate detonation accuracy.
  • the electric detonator including the electric fuze ignition device according to the present invention has the advantages that: the membrane resistance electric fuze ignition device is not easily broken during the welding process of automatic welding to the electric detonator, and thus the cost of the electric detonator manufactured by the same is Reduce their rate of rejection.
  • Still another embodiment of the present invention provides a method of manufacturing an electric detonator including an electric fuse ignition device according to the present invention, the method comprising the steps of:
  • Step 1 Provide film resistance and solder it to the electrode formed integrally with the electric detonator plug by automatic soldering;
  • Step 2 providing an ignition tip and wrapping it onto the membrane resistor to form an electrical fuse ignition device
  • Step 3 Passing the electrode plug through the housing of the electric detonator with the opening, so as to assemble the electric fuze ignition device into the housing of the electric detonator, wherein the electric fuze is ignited by the power supply device
  • the membrane resistance of the device provides energy to cause the membrane resistance to generate sufficient coke heat and to heat the ignition tip to a temperature to ignite the ignition tip and thereby detonate the electric detonator.
  • the electric detonator electrode plug comprises a rubber plug and a plastic plug disposed at a lower portion of the rubber stopper and integrally formed therewith, the rubber plug being adjacent to the opening of the housing.
  • An advantage of the method of manufacturing an electric detonator according to the above further embodiment of the present invention is that it has the advantages of high assembly automation, accuracy and reliability, high yield, and low cost.
  • Still another embodiment of the present invention provides a method of manufacturing an electronic detonator including the above-described electric fuse ignition device according to the present invention, the method comprising the steps of:
  • Step 1 Provide a chip-type film resistor and attach it to the pad on one end of the electronic detonator circuit control board by automatic patch bonding;
  • Step 2 providing an ignition tip and wrapping it onto the chip resistor to form an electrical ignition device
  • Step 3 electrically connecting the other end of the electronic detonator circuit control board to the wire of the electronic detonator electrode plug, and electrically connecting the electronic detonator circuit control board and the electronic detonator electrode plug electrically connected through the housing of the electronic detonator with the opening , in order to assemble the electric fuze ignition device into the housing of the electronic detonator, wherein the electronic detonator circuit control board controls the discharge of the capacitor to the membrane resistance of the electric fuze ignition device, so that the membrane resistance generates sufficient coke heat and the ignition tip is heated to At a certain temperature, the ignition tip is ignited, and the electronic detonator is detonated.
  • the electrode plug of the electronic detonator includes a rubber stopper and a plastic plug disposed at a lower portion of the rubber stopper and integrally formed therewith, the rubber stopper being adjacent to the opening of the housing.
  • the method for manufacturing an electronic detonator according to the above further embodiment of the present invention is advantageous in that it has the advantages of high assembly automation, accuracy and reliability, high yield, and low cost.
  • the electronic detonator circuit control board may be, for example, a circuit control board as described in the patent No. 201 120141092.7, the connection relationship with the capacitor and the control method of the capacitance thereof are also described in the patent. All the patents of this patent here The content is incorporated herein.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Fuses (AREA)
  • Air Bags (AREA)

Abstract

L'invention porte sur un dispositif d'allumage à fusible électrique, lequel dispositif comprend une résistance à couche (10) et une tête d'allumage (30) revêtant la résistance à couche (10). Un dispositif d'alimentation peut alimenter la résistance à couches (10) en énergie, de sorte que la résistance à couche (10) génère une chaleur en joules suffisante et chauffe la tête d'allumage (30) jusqu'à une température définie, de façon à allumer la tête d'allumage (30). La résistance à couche (10) du dispositif d'allumage à fusible électrique est simple à fabriquer, présente un faible coût et un rendement de production élevé, n'est pas facile à rompre, et présente une précision de résistance élevée, de sorte qu'un détonateur électrique et un détonateur électronique présentent également les avantages d'être simples à fabriquer, d'avoir un faible coût et un rendement de production élevé, un faible taux de défaut d'allumage et une précision d'explosion élevée. L'invention porte également sur un procédé pour fabriquer le détonateur électrique et le détonateur électronique, lequel procédé met en œuvre le dispositif d'allumage à fusible électrique, et présente les avantages d'un degré d'automatisation d'assemblage élevé, d'une précision et d'une fiabilité élevées, d'un rendement de production élevé et d'un faible coût.
PCT/CN2011/001135 2011-07-11 2011-07-11 Dispositif d'allumage à fusible électrique, détonateur électrique et détonateur électronique le comprenant, et procédé pour fabriquer un détonateur électrique et un détonateur électronique Ceased WO2013006983A1 (fr)

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PCT/CN2011/001135 WO2013006983A1 (fr) 2011-07-11 2011-07-11 Dispositif d'allumage à fusible électrique, détonateur électrique et détonateur électronique le comprenant, et procédé pour fabriquer un détonateur électrique et un détonateur électronique

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01189500A (ja) * 1987-10-16 1989-07-28 Asahi Chem Ind Co Ltd 電気雷管用点火装置
US20020069780A1 (en) * 2000-12-07 2002-06-13 Bos Laurence W. Thin film resistor fabricated on header
CN1995903A (zh) * 2006-01-05 2007-07-11 中国科学院上海微系统与信息技术研究所 电阻分功率型小型化双天线引信
CN101573584A (zh) * 2006-10-26 2009-11-04 日本化药株式会社 点火装置以及气囊用气体发生装置和安全带预紧器用气体发生装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
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JPH01189500A (ja) * 1987-10-16 1989-07-28 Asahi Chem Ind Co Ltd 電気雷管用点火装置
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CN1995903A (zh) * 2006-01-05 2007-07-11 中国科学院上海微系统与信息技术研究所 电阻分功率型小型化双天线引信
CN101573584A (zh) * 2006-10-26 2009-11-04 日本化药株式会社 点火装置以及气囊用气体发生装置和安全带预紧器用气体发生装置

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