CN215810492U - Digital electronic detonator without ignition powder head - Google Patents

Abstract

The utility model belongs to the technical field of blasting tools, and particularly relates to a digital electronic detonator without an ignition explosive head, which comprises a leg wire with a capacitor, a detonator shell, a positive initiating explosive, an initiating explosive, a plastic rubber plug, an electronic control module and a sheet type heater, wherein the positive initiating explosive, the initiating explosive and the plastic rubber plug are sequentially arranged in the detonator shell, the electronic control module is packaged in the plastic rubber plug, the input end of the electronic control module extends out of the detonator shell, the leg wire with the capacitor is detachably connected with the input end of the electronic control module, the output end of the electronic control module extends into the positive initiating explosive, the sheet type heater is arranged at the output end of the electronic control module, the initiating explosive and the positive initiating explosive are tightly pressed through the plastic rubber plug, a traditional reinforcing cap is replaced, the sheet type heater is used for replacing the traditional ignition explosive head, a explosive head dipping process is omitted, and the production efficiency is improved. And the leg wire with the capacitor is detachably connected with the input end of the electronic control module, so that the application efficiency of the special blasting vehicle is improved, and the cost is saved.

Description

Digital electronic detonator without ignition powder head

Technical Field

The utility model belongs to the technical field of blasting tools, and particularly relates to a digital electronic detonator without an ignition powder head.

Background

The detonator is the main initiation material of blasting engineering and has the function of generating initiation energy to detonate various explosives, detonating cord and detonating tube. The detonators are divided into common detonators and digital electronic detonators.

The traditional electronic detonator is basically provided with a reinforcing cap and an ignition powder head; the action principle is that the ignition powder head is connected with an initiator through a lead, receives initiation information, is powered by a capacitor, and is ignited through an electronic control module. Then the ignition explosive head ignites the primary explosive, then the positive primary explosive is driven to ignite the detonator, and finally the explosive wrapping the detonator is driven to explode. The explosive head needs to be dipped in the production process, the capacity of the capacitor is correspondingly limited due to the limitation of the volume of the detonator, and the traditional digital electronic detonator is produced with a pin wire, so that the production efficiency is low. Because the transmission digital electronic detonators with the leg wires are transported together with the wires, special blasting vehicles are needed for transportation, and the number of the transported digital electronic detonators is also low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a digital electronic detonator without an ignition powder head, and aims to solve the technical problems of complex assembly process and low conveying efficiency of the digital electronic detonator in the prior art.

In order to achieve the above object, the digital electronic detonator without an ignition explosive head provided in the embodiments of the present invention includes a detonator shell, a positive initiating explosive, an initiating explosive, a plastic plug, an electronic control module, a sheet heater, and a leg wire with a capacitor, wherein the positive initiating explosive, the initiating explosive, and the plastic plug are sequentially disposed in the detonator shell from bottom to top, the electronic control module is encapsulated in the plastic plug, an input end of the electronic control module extends to the outside of the detonator shell, the leg wire with the capacitor is detachably connected to the input end, an output end of the electronic control module extends to the positive initiating explosive, and the sheet heater is disposed at an output end of the electronic control module.

Optionally, the digital electronic detonator without the ignition explosive head further comprises a grounding elastic sheet, the grounding elastic sheet is installed on the electronic control module, and one end of the grounding elastic sheet extends and is tightly attached to the inner wall of the detonator shell.

Optionally, a first boss extends from a first end of the plastic plug, and the first boss extends into the detonator shell and is used for compacting the positive initiating explosive and the initiating explosive in the detonator shell.

Optionally, a sealing annular boss is arranged on the side portion of the first boss, the side wall of the sealing annular boss is tightly attached to the inner wall of the detonator shell, and an exhaust gap is formed in the sealing annular boss.

Optionally, at least two sealing annular bosses are arranged on the side of the first boss, each sealing annular boss is provided with an exhaust gap, and the exhaust gaps are arranged in a staggered manner.

Optionally, the exhaust notch is obliquely arranged on a side of the first boss.

Optionally, the lower end of the side part of the sealing annular boss is provided with a guide surface.

Optionally, the chip heater uses a chip resistor bridge wire.

Optionally, the second end of plastic plug extends there is the second boss, the lateral part of second boss is provided with prevents slow-witted interface, the input set up in the tip of second boss.

Optionally, the fool-proof interface is provided with an annular rib for improving waterproof performance.

One or more technical schemes in the digital electronic detonator without the ignition explosive head provided by the embodiment of the utility model at least have one of the following technical effects: during the equipment, in will just initiating explosive and initiating explosive pack into the detonator according to the preface, then seal the opening of establishing the detonator through the plastic stopper, seal the output that establishes back electronic control module and extend to in just initiating explosive, because the piece formula heater set up in electronic control module's output department, promptly, initiating explosive cover piece formula heater, when using, be connected the baseboard that takes electric capacity and electronic control module's input, give the piece formula heater through the baseboard transmission electric quantity that takes electric capacity, the piece formula heater produces the heat and ignites the initiating explosive to ignite just initiating explosive, play the effect of blasting, compress tightly initiating explosive and just initiating explosive through the plastic stopper, replaced the effect of strengthening the cap, adopted the piece formula heater to replace traditional ignition explosive head, left out the explosive head technology of dipping in, improved the efficiency of production. And the leg wire with the capacitor is detachably connected with the input end of the electronic control module, so that the target requirements of intensive production and remote distribution can be met. After the split structure is adopted, the dangerous pipe product part of the digital electronic detonator without the ignition powder head can be transported by a special blasting vehicle, and the leg wire part with the capacitor can be transported by a civil vehicle, so that the application efficiency of the special blasting vehicle is improved, and the cost is saved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of a digital electronic detonator without an ignition powder head according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of the digital electronic detonator without the ignition powder head provided by the embodiment of the utility model, which omits a leg wire with a capacitor.

Fig. 3 is a cross-sectional view of the digital electronic detonator a without the ignition charge provided in fig. 1.

Fig. 4 is a cross-sectional view of the digital electronic detonator without the ignition charge provided in fig. 2.

Fig. 5 is a schematic structural diagram of a plastic plug in a digital electronic detonator without an ignition powder head according to an embodiment of the present invention.

Fig. 6 is another schematic structural diagram of a plastic plug in a digital electronic detonator without an ignition powder head according to an embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

10-detonator shell 20-positive initiating explosive 30-initiating explosive

40-plastic plug 41-first boss 412-sealing annular boss

413 exhaust gap 414 guide surface 42 second boss

421-foolproof interface 422-annular convex rib 50-electronic control module

51-clamping boss 60-sheet heater 70-capacitor-equipped leg wire

71-fastener 711-flexure strip 80-ground spring plate.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in fig. 1-6, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functionality throughout. The embodiments described below with reference to the drawings are exemplary and intended to be illustrative of the embodiments of the present invention, and should not be construed as limiting the utility model.

In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.

In an embodiment of the present invention, as shown in fig. 1 to 4, there is provided an ignition-free digital electronic detonator, comprising a detonator shell 10, a positive initiating explosive 20, an initiating explosive 30, a plastic plug 40, an electronic control module 50, a sheet heater 60 and a leg wire 70 with a capacitor, wherein the positive initiating explosive 20, the initiating explosive 30 and the plastic plug 40 are sequentially disposed in the detonator shell 10 from bottom to top, the electronic control module 50 is sealed in the plastic plug 40, an input end of the electronic control module 50 extends out of the detonator shell 10, the leg wire 70 with the capacitor is detachably connected to an input end of the electronic control module 50, an output end of the electronic control module 50 extends into the positive initiating explosive 20, and the sheet heater 60 is disposed at an output end of the electronic control module 50.

Specifically, during assembly, the positive initiating explosive 20 and the initiating explosive 30 are sequentially loaded into the detonator shell 10, then the opening of the detonator shell 10 is sealed through the plastic plug 40, the output end of the electronic control module 50 extends into the initiating explosive 30 after sealing, because the sheet heater 60 is arranged at the output end of the electronic control module 50, namely, the initiating explosive 30 coats the sheet heater 60, when in use, the leg wire 70 with the capacitor is connected with the input end of the electronic control module 50, electric quantity is transmitted to the sheet heater 60 through the leg wire 70 with the capacitor, the sheet heater 60 generates heat to ignite the initiating explosive 30, so that the positive initiating explosive 20 is ignited, the blasting effect is achieved, the initiating explosive 30 and the positive initiating explosive 20 are compressed through the plastic plug 40, the function of a reinforcing cap is replaced, the sheet heater 60 is adopted to replace the traditional ignition explosive head, and the explosive head dipping process is omitted, the production efficiency is improved.

It should be noted that the electronic control module 50 is a dedicated circuit module that is in the prior art, has detonator identity information built therein, has detonator initiation delay time control and detonation control functions, can test the on-off state of the ignition element, and can communicate with the detonation controller and other external control devices, and will not be described herein in detail.

And the leg wire 70 with the capacitor is detachably connected with the input end of the electronic control module 50, so that the target requirements of intensive production and remote distribution can be met. After the split structure is adopted, the dangerous goods control part of the digital electronic detonator without the ignition powder head can be transported by a special blasting vehicle, and the leg wire 70 part with the capacitor can be transported by a civil vehicle, so that the application efficiency of the special blasting vehicle is improved. The cost is saved.

In another embodiment of the present invention, the input terminal is connected to the capacitive pin line 70 by a snap-fit connection. Particularly, the clamping connection mode is quick, and the use efficiency is improved.

In another embodiment of the present invention, as shown in fig. 2 to 3 and fig. 5 to 6, clamping bosses 51 are disposed on two sides of the input end of the electronic control module 50, the leg wire 70 with the capacitor is provided with a clamping member 71 adapted to the input end of the electronic control module 50, and the clamping member 71 is provided with an elastic piece 711 adapted to the clamping boss 41. Specifically, after the leg wire 70 with the capacitor is clamped with the input end of the electronic control module, the elastic piece 711 of the clamping piece 71 is abutted against the clamping boss 41, so that the leg wire 70 with the capacitor is prevented from being separated from the electronic control module 50, and the use stability is improved.

Further, the plastic plug 40 wraps and protects the electronic control module 50 through a rubber wrapping process. It should be noted that the encapsulation process is the prior art and will not be described in detail herein.

It should be noted that the ignition point of the positive primary explosive 20 is higher than that of the primary explosive 30, so that the sheet heater 60 can ignite the primary explosive 30 first, and then the primary explosive 30 ignites the positive primary explosive 20, thereby achieving the blasting effect.

In another embodiment of the utility model, as shown in fig. 4 to 5, the digital electronic detonator without the ignition charge head further comprises a grounding elastic sheet 80, the grounding elastic sheet 80 is installed on the electronic control module 50, and one end of the grounding elastic sheet 80 extends and is tightly attached to the inner wall of the detonator shell 10. Specifically, the grounding elastic sheet 80 can avoid safety accidents caused by static electricity, and the safety performance is further improved.

In another embodiment of the present invention, as shown in fig. 5, an avoidance port for avoiding the grounding elastic sheet 80 is provided on the plastic plug 40. Specifically, the electronic control module 50 is wrapped through the encapsulation process, and the grounding elastic sheet is conveniently installed at the electronic control module 50 through the arranged avoiding port, so that the installation difficulty is reduced.

In another embodiment of the present invention, as shown in fig. 3, the chip heater 60 employs a chip resistor bridge wire, and specifically, when in use, energy is provided through a leg wire 70 with a capacitor, so that the chip resistor bridge wire generates heat, and the chip heater 60 replaces the conventional ignition mode of a bridge wire dipping ignition explosive head, thereby saving the processing technology and improving the processing efficiency.

In another embodiment of the present invention, as shown in fig. 4 to 6, the plastic plug 40 includes a body, a first boss 41 and a second boss 42 disposed on two sides of the body, and the diameter of the body is larger than that of the detonator shell 10, so that the plastic plug 40 can seal the opening of the detonator shell 10.

The first boss 41 extends into the detonator shell 10 and serves to compact the positive primary explosive 20 and the primary explosive 30 within the detonator shell 10. Specifically, the positive initiating explosive 20 and the initiating explosive 30 are compacted in the detonator shell 10 by the first bosses 41, so that the use of parts such as reinforcing caps is reduced, the assembly difficulty is reduced, the use amount of the positive initiating explosive 20 and the initiating explosive 30 is increased, and the blasting effect is better.

In another embodiment of the present invention, as shown in fig. 4 to 6, a sealing annular boss 412 is disposed on a side portion of the first boss 41, a side wall of the sealing annular boss 412 is tightly attached to an inner wall of the detonator shell 10, and an exhaust gap 413 is disposed on the sealing annular boss 412. Specifically, the other end of the detonator case 10 is of a closed structure, and the side wall of the sealing annular boss 412 is tightly attached to the inner wall of the detonator case 10 during assembly, so that the sealing performance of the detonator case 10 is ensured, the positive initiating explosive 20 and the initiating explosive 30 are prevented from leaking between the side wall of the sealing annular boss 412 and the inner wall of the detonator case 10, the use stability is improved, meanwhile, when the first boss 41 is inserted into the detonator case 10, gas in the detonator case 10 can flow out of the detonator case 10 along the exhaust notch 413, so that the positive initiating explosive 20 and the initiating explosive 30 can be ensured to be compacted in the detonator case 10, the resistance of the gas in the detonator case 10 to installation is reduced, and the assembly difficulty is reduced.

In another embodiment of the present invention, as shown in fig. 5 to 6, at least two sealing annular bosses 412 are disposed on a side portion of the first boss 41, each sealing annular boss 412 is disposed with an exhaust gap 413, and each exhaust gap 413 is staggered. Specifically, the arrangement of the plurality of sealing annular bosses 412 can improve the sealing effect on the detonator shell 10, and the exhaust gaps 413 are staggered, so that gas can flow, the positive initiating explosive 20 and the initiating explosive 30 are prevented from leaking along the exhaust gaps 413, and the sealing performance is improved.

In another embodiment of the present invention, as shown in fig. 5 to 6, a guiding surface 414 is provided at a lower end of a side portion of each sealing annular boss 412, and specifically, the guiding surface 414 guides the sealing annular boss 412, so that the resistance of the sealing annular boss 412 during the insertion process into the detonator shell 10 can be reduced.

In another embodiment of the present invention, as shown in fig. 5 to 6, the exhaust notch 413 is obliquely disposed on a side portion of the first boss 41. Specifically, the vent notch 413 is obliquely arranged, further preventing the positive and primary explosives 20 and 30 from leaking along the vent notch 413, improving the stability of use.

In another embodiment of the present invention, as shown in fig. 5 to 6, a second boss 42 extends from a second end of the plastic plug 40, a fool-proof interface 421 is disposed at a side portion of the second boss 42, and the input end is disposed at an end portion of the second boss 42. Specifically, during the use, be connected the detonator with prevent slow-witted interface 421 to can make the detonator can match with the input, this prevent slow-witted interface 421 can prevent that the pivoted condition from appearing in detonator and input simultaneously, avoid damaging the input when the insufficient local use of light.

In another embodiment of the present invention, as shown in fig. 5 to 6, an annular rib 422 for waterproofing is disposed at the fool-proof interface 421. Specifically, the annular convex rib 422 is arranged to improve the waterproof performance of the connection between the digital electronic detonator without the ignition explosive head and the detonator.

In another embodiment of the utility model, as shown in fig. 4, the detonator shell 10 is provided with a bottom portion protruding toward the opening. Specifically, the bottom of the detonator shell 10 is raised towards the opening to reduce the gap between the initiating explosive 30 and the bottom of the detonator shell 10, thereby enabling the initiating explosive 30 to be compacted at the bottom of the detonator shell 10 without mixing with the positive initiating explosive 20.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. The utility model provides a digital electronic detonator of no ignition explosive head, its characterized in that, includes detonator, positive initiating explosive, moulds plug, electronic control module, piece formula heater and the foot line of taking electric capacity, from supreme setting in order down in the detonator positive initiating explosive with mould the plug, it has to be packaged with in the plastic plug electronic control module, electronic control module's input extends to outside the detonator, take electric capacity the foot line with the connection can be dismantled to the input, electronic control module's output extends to in the positive initiating explosive, piece formula heater set up in electronic control module's output department.

2. The digital electronic detonator without the ignition explosive head according to claim 1, further comprising a grounding elastic piece, wherein the grounding elastic piece is mounted on the electronic control module, and one end of the grounding elastic piece extends and is tightly attached to the inner wall of the detonator shell.

3. The digital electronic detonator without ignition charge of claim 2 wherein a first boss extends from a first end of the plastic plug, the first boss extending into the detonator shell and serving to compact the positive initiating explosive and the initiating explosive in the detonator shell.

4. The digital electronic detonator of claim 3 wherein the first boss is provided with a sealing annular boss at its side, the side wall of the sealing annular boss is in close contact with the inner wall of the detonator shell, and the sealing annular boss is provided with an exhaust gap.

5. The digital electronic detonator without the ignition explosive according to claim 4, wherein the side part of the first boss is provided with at least two sealing annular bosses, each sealing annular boss is provided with an exhaust gap, and the exhaust gaps are staggered.

6. The digital electronic detonator of claim 5 wherein the vent notch is disposed obliquely on a side of the first boss.

7. The digital electronic detonator of claim 4 wherein the lower end of the side portion of the sealing annular boss is provided with a guide surface.

8. The digital electronic detonator without the ignition explosive according to any one of claims 1 to 7, wherein the chip heater is a chip resistor bridge wire.

9. The digital electronic detonator without the ignition powder head of any one of claims 1 to 7, wherein a second boss extends from the second end of the plastic plug, a foolproof interface is arranged on the side part of the second boss, and the input end is arranged at the end part of the second boss.

10. The digital electronic detonator of claim 9 having no ignition charge, wherein an annular rib for improving waterproof performance is provided at the foolproof interface.

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