CN201221927Y

CN201221927Y - Electric initiator

Info

Publication number: CN201221927Y
Application number: CNU200820035227XU
Authority: CN
Inventors: 戴珊珊
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-04-29
Filing date: 2008-04-29
Publication date: 2009-04-15
Anticipated expiration: 2018-04-29

Abstract

The utility model relates to an electronic blasting machine, which comprises a shell, a circuit and a spray point, and is characterized in that the electric-discharge is triggered by a contact-free electronic switch, and a high-resistance resistor is arranged between the anode and the cathode of the electric discharge, and the mechanical interlocking on the shell of the blasting machine is integrated with the circuit interlocking in the circuit of the blasting machine. The electronic blasting machine overcomes the weaknesses of the contact button switch, and reduces the energy loss, and greatly improves the energy and the efficiency of the discharge spark. The mechanical and circuit dual-interlocking design effectively prevents the safety problem of the mistake triggering during the charging process. In addition, the design of the circuits such as the sound and light alarm, the high-voltage stabilization, the full-wave rectification, the automatic discharging loop, and the like improves the integral safety, reliability, efficiency, operability and the like for the product.

Description

The electronics trigger

Technical field

The utility model relates to a kind of electronics apparatus to cause bursting, and especially a kind of boosting by electronic circuit produces device that high strength spark ignition fuse primer ignite by instantaneous to containing gapped electrode discharge to electric capacity charging energy storage.

Background technology

Though existing electronics apparatus to cause bursting also is to light the fuse primer ignition charge by the electrion spark, but this apparatus to cause bursting is connected the discharge loop discharge by mechanical button is arranged, because mechanical button has the contact, in each heavy-current discharge process, spark will inevitably appear in the push-button contact place, progressively ablated in this push contact position, can cause than macro-energy on the one hand and lose, on the other hand because the mechanical button rapid wear, it is unreliable to isolate between the charge circuit of apparatus to cause bursting and the discharge loop, is prone to the false triggering discharge accident.

The utility model content

The utility model purpose is to substitute the mechanical botton switch with electronic switch, and does improvement to igniting discharge circuit and apparatus to cause bursting structure, to improve reliability, security, the applicability of trigger.

For achieving the above object, the technical solution of the utility model is, this electronics trigger formation includes, trigger housing, ignition spray point and ignition discharge circuit, ignite discharge circuit and place and ignite in the housing, ignite the spray point plug and be with ignition spray point socket on being fixed in the trigger housing and be electrically connected; Igniting discharge circuit is made up of battery, oscillating circuit, current rectifying and wave filtering circuit, energy storage mu balanced circuit, energy display circuit and discharge trigger circuit and power switch, charge switch, discharge switch again, battery, oscillating circuit, current rectifying and wave filtering circuit, energy storage mu balanced circuit, discharge trigger circuit cascade successively, power switch and charge switch are provided with between battery and the oscillating circuit, discharge switch is provided with between energy storage mu balanced circuit and the discharge trigger circuit, and the energy display circuit is connected with the energy storage mu balanced circuit; Characteristics are to be provided with the electronic type noncontacting switch in the discharge loop of described discharge trigger circuit, and in discharge positive terminal and the cross-over connection of discharge negative pole end resistance to be arranged.

In technique scheme, described electronic type noncontacting switch both can be serially connected with in the anodal loop of the discharge that triggers discharge circuit, also can be serially connected with in the discharge negative loop that triggers discharge circuit.Described electronic type noncontacting switch is thyristor on-off circuit or FET switch circuit.

In technique scheme, the moving plate of described ignition spray point socket is connected discharge positive terminal and the discharge negative pole end of igniting discharge circuit respectively with earth terminal.Ignite the spray point plug and be inserted in the socket, a utmost point connects the discharge positive terminal on the plug, and another utmost point connects the discharge negative pole end on the plug, like this, forms discharging gap at spray point needle point place.

In technique scheme, be serially connected with discharge resistance between the normally-closed contact still of described ignition spray point socket and the circuit ground.Normally not during contact pin, the electric capacity of the normally closed switch amount closure of socket discharges over the ground by discharge resistance, and spray point is inserted in the socket, and the normally-closed contact of socket disconnects and stops discharge.

In technique scheme, described trigger case panel is provided with slide cover and firing button, this slide cover and the charge switch interlock of igniting discharge circuit, this slide cover stop bit that upwards slides, firing button is covered, ignites the charge switch of discharge circuit and opens, and this slide cover is to the lower slider stop bit, firing button exposes, and ignites the charge switch of discharge circuit and closes.

In technique scheme, charge switch and discharge switch are same two condition toggle switch in the ignition discharge circuit.When charge switch was opened, discharge switch must be closed, like this at the electronics trigger in charging process, discharge loop must be opened a way, even pressing firing button this moment can not misplace yet, otherwise, work as complete charge, stir this switch after, charge switch is closed, discharge switch is opened, under this state, the pressing firing button can make contactless electronic beam switch unlatching, discharge immediately in the discharge loop.Realized that charging and discharge touch the electricity interlocking.This two condition toggle switch combines with the housing slide cover, has further improved the reliability of igniting action.

In technique scheme, described ignition spray point is equipped with special-purpose hand clamping tongs, and this hand clamping tongs has the through hole that runs through two movable parts.Ignite spray point in use repeatedly, can ablate to some extent because of multiple discharge in its needle point position, require the tip of its ablation clipped for guaranteeing discharge effect once more this moment, the very convenient spray point cephalic par of clipping of this special use hand clamping tongs energy makes this spray point can continue normal the use.

In technique scheme, be provided with acoustic-optic alarm in the described ignition discharge circuit.Turn on the power switch, red power supply indicator is lighted.Open charge switch, yellow charging display lamp is lighted, and the energy display lamp is green simultaneously.When energy reached predetermined value, the energy display lamp changed redness into, and loudspeaker is sounded simultaneously, promptly informs that with the sound and light alarm mode charging process finishes.

The utility model has the advantages that, 1, substituted the present contact button discharge switch that has with the electron crystal noncontacting switch, adopt little current-controlled switch to come the big electric current noncontacting switch discharge of control capacitance, the spark of having avoided the each operation of existing control button switch to be caused is ablated and the poor reliability brought, easy false triggering accident potential, because the electronic non-contact switch discharge fully and not produces the energy loss of discharging gap, improved the energy and the efficient of discharge spark greatly simultaneously.2, adopted mechanical slip lid operation interlocking structure, and the electric switch interlocking structure, make charging and discharge realize interlocking, avoided producing in the charging potential safety hazard of false triggering.3, designed sound and light alarm, newspaper is named accurately, and discharge energy stability is high.4, specialized designs high voltage stabilizing, guarantee the safe and reliable work of each circuit and other element.5, high-voltage rectifying has adopted full-wave rectification (former promising half-wave) to improve rectification efficiency quickening charging rate.6, oscillating circuit and separate with control circuit has been realized omnidistance quantified controlling.7, be provided with automatic discharge loop, pull up syringe needle when end-of-job and can discharge automatically.

Description of drawings

Fig. 1 is the utility model hull outside structural representation.

Fig. 2 is the ignition discharge circuit composition frame chart of the utility model embodiment one.

Fig. 3 is the ignition discharge circuit schematic diagram of the utility model embodiment one.

Fig. 4 is the ignition discharge circuit composition frame chart of the utility model embodiment two.

Fig. 5 is the ignition discharge circuit schematic diagram of the utility model embodiment two.

Fig. 6 is special-purpose hand clamping tongs (front) schematic diagram of the utility model spray point.

Fig. 7 is special-purpose hand clamping tongs (reverse side) schematic diagram of the utility model spray point.

In the above accompanying drawing, the 1st, ignite spray point, the 2nd, firing button, the 3rd, the slide cover switch, the 4th, ignite indicator lamp, the 5th, charging indicator light, the 6th, power supply indicator, the 7th, power supply toggle switch, the 8th, spray point clamp specially through hole, the 9th, spray point clamp specially collimating point, the 10th, spray point clamp specially through hole.

Specific embodiment

Embodiment one:

Present embodiment hull outside structure as shown in Figure 1, battery, ignite the discharge circuit plate and place in the trigger housing, socket realizes that mechanical plug-in type is connected and is electrically connected on the plug of igniting spray point 1 and the housing, and this plug, socket are similar to the plug and the socket of the external earphone of radio.For safety, be serially connected with discharge resistance at this socket normally-closed contact negative pole end between over the ground.When igniting end-of-job, extract ignition discharge syringe needle and can discharge automatically by this discharge resistance.Usually normal conditions are not inserted when igniting spray point, the normally closed switch closure of socket, and electric capacity discharges over the ground by this discharge resistance; After igniting the spray point insertion, normally-closed contact disconnects and stops discharge.

The ignition discharge circuit of present embodiment constitutes block diagram as shown in Figure 2.

The ignition discharge circuit schematic diagram of present embodiment as shown in Figure 3.Contactless electronic beam switch adopts reverse-blocking tetrode thyristor KKG, and this reverse-blocking tetrode thyristor KKG is serially connected with between charging capacitor positive pole and the sparking electrode positive pole.Among Fig. 3; K1 is the power supply toggle switch; K2 is a charging control switch; slide cover 3 interlocks on K2 and the trigger case panel; Z1 is a power supply indicator; Z2 is a charging indicator light; the K1 closure; dry cell E lights power supply indicator Z1; at this moment, charging control switch K2 upwards promotes, by Q1; Q2; R4; R5; R6; R7; C1; C2; the oscillating circuit starting of oscillation that C3 forms; it is elementary that the generation alternating current is sent into transformer T; T level of transformer connects the ac input end of rectification module, and the rectification module dc output end inserts by electrochemical capacitor E1; the accumulator that E2 forms, voltage-stabiliser tube DW are connected across rectification module direct current output two ends; played the effect of overvoltage or over-charge protective, can make discharge energy stable simultaneously.Work as E1, E2 begins energy storage, when rechargeable energy reaches the igniting lower limit, U1 output electronegative potential is closed Q3, Z3 lights and is green, work as E1, when the E2 energy storage arrives scheduled voltage, U1 ' output electronegative potential makes Q4, Q6 closes, loudspeaker F pipes, Q5 also closes simultaneously, Z3 ' lights and takes on a red color, and promptly informs that with the sound and light alarm mode charging process finishes, this moment with the slide cover switch 3 on the trigger case panel to lower slider, charging control switch K2 disconnects in the circuit, charge circuit stops charging, and the red firing button 2 on the case panel reveals, the red firing button 2 of pressing, discharge loop K switch 3 in the electrical schematic diagram is connected the control loop of discharge circuit, make controllable silicon KKG conducting, spray point G two interpolars form high-voltage breakdown, produce spark at spray point the two poles of the earth gap location, thereby, finish the ignition process in order to light the fuse primer that is sleeved on this spray point.In the present embodiment, in the cross-over connection of sparking electrode two ends resistance R 23 is arranged, this resistance can prevent to ignite the pin misoperation.

Present embodiment gives a kind of clamp that is exclusively used in brachymemma spray point head position, and this clamp structure is shown in Fig. 6,7.Ignite spray point 1 because discharging gap has only 0.3 millimeter, repeatedly use and to form arcing, influence discharge effect once more, usually reuse after the spray point end need being cut out part, the conventional pliers instrument can be flat with the outer pipe clamp of spray point, influence the spray point outer tube and the concentricity of inner core wherein, and then can have influence on the effect that this spray point produces spark.At this problem, present embodiment has provided a kind of improvement clamp, promptly on conventional pliers, bore a slightly larger in diameter in the through hole 8 and 10 of spray point outer tube diameter, in two moving part junctions of this clamp a concave point alignment mark is set simultaneously, when this alignment mark coincide, show that this clamp through hole 8 and through hole 10 connect, can insert the spray point tip portion in the through hole that runs through this moment, and the spray point fracture of this clamp pinch off is smooth, and the concentricity of spray point outer tube and inner core is influenced hardly.

Embodiment two:

The frame for movement part of present embodiment trigger is identical with embodiment one, and difference is to ignite discharge circuit.

The composition frame chart of present embodiment ignition discharge circuit as shown in Figure 4.Ignite the discharge circuit schematic diagram as shown in Figure 5.

Igniting the gauge tap power supply in the present embodiment is not directly to take from charging capacitor as embodiment one, but be taken from " 3 " points of K switch 2 lower ends, promptly ignite charge circuit switch in the discharge circuit with same two condition toggle switch K2 both conduct, also as igniting control button electric power loop switch, with dashed lines contact charging control switch and discharge control switch among Fig. 4, to show that two switches are interlocked relationship, and only when K2 charge closing gauge tap, just may open discharge control switch, realize the circuit interlock that charging and discharge trigger.This mode and the acting in conjunction of housing sliding lid construction have further improved security and reliability that detonation circuit triggers.

In addition, the contactless electronic beam switch KKG in the present embodiment ignition discharge circuit is serially connected with between charging capacitor negative pole and the sparking electrode negative pole.

In addition, in the present embodiment, between the normally-closed contact still " 2 " of spray point socket and circuit ground, be serially connected with discharge resistance R24.Normally not during contact pin, the electric capacity of the normally closed switch amount closure of socket discharges over the ground by discharge resistance R24, and spray point is inserted in the socket, and the normally-closed contact of socket disconnects and stops discharge.

Claims

1, a kind of electronics trigger, its formation includes,

The trigger housing, ignite spray point and ignite discharge circuit, ignite discharge circuit and place and ignite in the housing, ignite the spray point plug and be with ignition spray point socket on being fixed in the trigger housing and be electrically connected;

Igniting discharge circuit is made up of battery, oscillating circuit, current rectifying and wave filtering circuit, energy storage mu balanced circuit, energy display circuit and discharge trigger circuit and power switch, charge switch, discharge switch again, battery, oscillating circuit, current rectifying and wave filtering circuit, energy storage mu balanced circuit, discharge trigger circuit cascade successively, power switch and charge switch are provided with between battery and the oscillating circuit, discharge switch is provided with between energy storage mu balanced circuit and the discharge trigger circuit, and the energy display circuit is connected with the energy storage mu balanced circuit;

It is characterized in that: be provided with the electronic type noncontacting switch in the discharge loop of described discharge trigger circuit, and resistance arranged in discharge positive terminal and the cross-over connection of discharge negative pole end.

2, electronics trigger according to claim 1 is characterized in that: described electronic type noncontacting switch is serially connected with in the anodal loop of the discharge that triggers discharge circuit.

3, electronics trigger according to claim 1 is characterized in that: described electronic type noncontacting switch is serially connected with in the discharge negative loop that triggers discharge circuit.

4, according to claim 1 or 2 or 3 described electronics triggers, it is characterized in that: described electronic type noncontacting switch is thyristor on-off circuit or FET switch circuit.

5, electronics trigger according to claim 1 is characterized in that: the moving plate of described ignition spray point socket is connected discharge positive terminal and the discharge negative pole end of igniting discharge circuit respectively with earth terminal.

6, electronics trigger according to claim 5 is characterized in that: be serially connected with discharge resistance between the normally-closed contact still of described ignition spray point socket and the circuit ground.

7, electronics trigger according to claim 1, it is characterized in that: described trigger case panel is provided with slide cover and firing button, this slide cover and the charge switch interlock of igniting discharge circuit, this slide cover stop bit that upwards slides, firing button is covered, ignites the charge switch of discharge circuit and opens, and this slide cover is to the lower slider stop bit, firing button exposes, and ignites the charge switch of discharge circuit and closes.

8, electronics trigger according to claim 1 is characterized in that: charge switch and discharge switch are same two condition toggle switch in the ignition discharge circuit.

9, electronics trigger according to claim 1 is characterized in that: described ignition spray point is equipped with special-purpose hand clamping tongs, and this hand clamping tongs has the through hole that runs through two movable parts.

10, electronics trigger according to claim 1 is characterized in that: be provided with alarm speaker in the described ignition discharge circuit.