High-vibration-resistance electronic detonator delay device

Abstract

The digital electronic detonator delay control device which is high in safety, high in reliability, good in anti-vibration performance and suitable for a small-section blasting environment is designed by adopting a low-power-consumption, anti-detonation vibration impact and anti-electromagnetic interference scheme, a protection circuit is arranged in a module circuit and connected with a chip pin, and the protection circuit is connected with a chip pin. The electronic detonator delay module is effectively prevented from being damaged due to blasting impact and extrusion in the blasting process of the electronic detonator, so that the phenomenon of miss-fire blasting is avoided. The chip belongs to independent research and development, has the characteristics of high safety, high reliability, low power consumption, nationwide production and the like, and mainly comprises a signal receiving module, a data sending module, an instruction decoding module, a storage module, a delay counter, a clock circuit and an output driving module. The problem that miss-fire explosion is difficult to avoid when the digital electronic detonator is applied to a small section is solved, the digital electronic detonator is actually used in a small-section mine, and a foundation is laid for the electronic detonator to comprehensively replace a traditional detonator in the future.

Description

technical field [0001] The invention belongs to the technical application field of civil blasting equipment, and in particular relates to an electronic detonator delay device with good anti-vibration performance and applicable to small-section blasting. Background technique [0002] The digital electronic detonator uses an electronic delay body to replace the delay agent of the traditional delay detonator, which has the ability of anti-static, anti-stray current, and anti-electromagnetic radiation. At the same time, each electronic detonator has its own UID code, which is convenient for safety control. Detonation requires a dedicated The detonating device will not be detonated by general AC / DC power supply, battery or traditional equipment, and has the function of effectively preventing the detonator from being used illegally, and has been applied in various blasting scenarios. [0003] At present, in the application of domestic electronic detonators in small underground sec...

AI Technical Summary

Problems solved by technology

[0003] At present, in the application of domestic electronic detonators in small underground sections in the market, electronic detonators often fail to blast. In terms of mechanism, it is different from the application of ground open-air blasting. The parameters are designed following the design scheme of the nonel detonator, and all these factors will bring difficulties to the application of the electronic detonator in small sections

The electronic detonator with small cross-section application has a good appearance and no obvious structural damage, but the internal circuit is damaged and cannot be repaired. As for the damaged detonator, it is the result of secondary mechanical force damage caused by the explosion. Tunnel blasting and foundation pit blasting There will also be a similar situation of rejection

[0004] Aiming at the problem of rejection of electronic detonators in the application of small underground sections, the technology that has been known so far is to adopt a double-tube shell structure. This method can effectively reduce the rejection rate to a certain extent, but it cannot fundamentally eliminate it. The problem of refusal

The shock wave generated by the explosive explosion in the application of small-section blasting will cause overload shock to the electronic detonator, causing its internal components to suffer overload shock and cause varying degrees of damage. The electromagnetic pulse interference generated in the explosion will also affect the chip with weak anti-electromagnetic interference ability Normal operation, resulting in the failure of the electronic detonator delay module, unable to detonate the primer in the electronic detonator, causing the electronic detonator to reject the explosion

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