CN105571413A - Method and equipment for measuring delay time in millisecond magnitude of electronic detonator at high precision - Google Patents

Abstract

The invention discloses a method and equipment for measuring the delay time in millisecond magnitude of an electronic detonator at high precision. The equipment is formed by a power module, a control module, an electronic detonator connector module, a display module, an operation module and a detonation signal acquiring module, wherein the power module and the control module are connected with all the other modules, and the other modules are not connected with one another. According to the method, the detonation moment is acquired by breaking a lead wire by utilizing the explosive capacity of the electronic detonator. The method and the equipment can effectively avoid measurement errors caused by signal change of acoustic sensors, optical sensors and pressure sensors, the duration of the detonation signal is short, change amplitude is great, judgment is facilitated, and precision is relatively high.

Description

A kind of method and apparatus of high-acruracy survey electric detonator amount second

Technical field

The present invention relates to detonator field of measuring technique, particularly relate to a kind of method and apparatus of high-acruracy survey electric detonator amount second.

Background technology

Electric detonator is based on integrated circuit technology and designing technique, uses electronic chip to replace time delay gunpowder in common electric cap, realizes the Novel detonator of accurate timing, security control.The defer time of electric detonator can in millisecond magnitude programming setting, and its accuracy delay time can be controlled in a millisecond magnitude.Because detonating of electric detonator needs special instruction, traditional defer time checkout gear cannot obtain the transmitting time of fuze, therefore cannot obtain the actual burst time of electric detonator; Meanwhile, the equipment of traditional measurement burst time cannot meet the certainty of measurement requirement of electric detonator Millisecond due to the reason of measuring method.

Summary of the invention

Technical problem to be solved by this invention is to provide a kind of simple to operate, reliable, and what certainty of measurement was high measures the method and apparatus measured to electric detonator second.

The technical solution used in the present invention is:

An equipment for high-acruracy survey electric detonator amount second, comprises power module 01, control module 02, detonator interface module 03, display module 04, operational module 05, time break acquisition module 06 and time break wire 07; Operational module 05 is to control module 02 sending controling instruction; Control module 02 processes backward display module 04 output order data to the control instruction received, and exports electric detonator control instruction to detonator interface module 03; Display module 04 demonstrates different results after receiving director data; Detonator interface module 03 to receive after electric detonator control instruction by external interface to electric detonator sending controling instruction, and receives the return instruction of electric detonator, is inputed to control module 02; The external interface of time break acquisition module 06 connects time break wire 07, and a part for time break wire 07 is fixed on the explosion position of electric detonator; After electronic detonator initiating, time break acquisition module 06 sends to control module 02 settling signal that detonates.

A method for high-acruracy survey electric detonator amount second, the method concrete steps are:

(1) electric detonator is connected on the external interface of detonator interface module, time break wire two ends are connected to respectively on two terminals of time break acquisition module external interface, now have electric current to pass through in time break wire, one section of time break wire is fixed on electric detonator to be detected;

(2) defer time is preset by operational module input;

(3) button that detonates in push module, control module sends fuze by detonator interface module to electric detonator, and control module starts timing;

(4), after the defer time preset arrives, electric detonator explodes, and time break wire is blown up;

(5) after time break wire disconnects, in wire, electric current stops, and control module stops timing;

Complete electric detonator measurement second amount.

Compared with prior art, its advantage is in the present invention:

1. the present invention adopts the mode utilizing electric detonator explosion energy to blow up wire to obtain the blasting cap initiation moment, compared to the mode of the sensors such as use sound, light, pressure, effectively prevent and change by sensor signal power the measure error caused, gained time break is straight line, its duration is extremely short, vary within wide limits, is easy to judge, certainty of measurement is high, can meet electric detonator measurement second amount to the high request of precision.

2. in the present invention, equipment de-sign structure is simple, and operation understands, data acquisition rate is high, can complete detection in traditional detonator experiment place, effectively controls learning cost and financial cost that enterprise uses for electric detonator relevant device.

Accompanying drawing explanation

Fig. 1 is detection device for second magnitude of electronic detonator overall structure schematic diagram.

Fig. 2 is time break acquisition module schematic diagram.

Detailed description of the invention

In order to make object of the present invention, technical scheme clearly understands, is described in further detail by reference to the accompanying drawings below by instantiation to embodiments of the present invention.

As shown in Figure 1, described power module 01 is connected respectively with other each modules, for other modules provide corresponding operating voltage;

Described control module 02 is made up of fpga chip and peripheral circuit thereof; Be connected with other each modules, provide operating voltage by power module 01.Its plug-in can start timing after fuze sends, after receiving the settling signal that detonates that time break acquisition module 06 sends, stop timing; The clock of FPGA adopts 10MHz or higher frequency crystal oscillator, can ensure that its accuracy of timekeeping is in 0.1 microsecond or higher;

Described control module 02 storage inside has control program, is connected with operational module 05, carries out respective handling after receiving the instruction or data inputted.Operational module 05 includes 0-9 digital keys 10 and delete button, electric discharge button, detonate totally 14 buttons such as button and reset key.Wherein, digital keys is for inputting default defer time; Delete button is used for the numeral of deletion error input; Electric discharge button is for sending safe-discharge instruction; After the button that detonates is pressed, first equipment can send to electric detonator the instruction preparing to detonate, as charging instruction, defer time instruction, the instruction of reading defer time, voltage detecting instruction etc. are set, electric detonator return instruction content is processed, after judgement can be detonated, sends fuze and start timing; Reset key resets to equipment institute working procedure;

Described display module 04 is made up of liquid crystal display and peripheral circuit thereof, is connected with control module 02; The information such as defer time, actual defer time, error message, running status preset is exported by the LCDs of display module 04 by control module 02;

Described detonator interface module 03 is connected with power module 01, provides work required voltage by it, and provides work required voltage for electric detonator; Be connected with control module 02, the low end finger signal sent is converted to high pressure command signal needed for electric detonator work and exports electric detonator to, and the high pressure command signal returned by electric detonator is converted to low-voltage signal inputs to control module 02;

Described time break acquisition module 06 has external interface 061, and two terminals of external interface 061 operationally connect the two ends of time break wire 07 respectively; One section of time break wire 07 is fixed on the explosion position of detonator, and the power of blasting cap detonation can blow up rapidly time break wire 07.

As shown in Figure 2, described time break acquisition module 06 is made up of external interface 061, pull down resistor 062, antistatic diode 063; External interface 061 has two terminals, and one of them terminal connects power module 01, and another terminal connects pull down resistor 062, control module 02 and antistatic diode 063; Wherein pull down resistor 062 antistatic diode 063 is in parallel, the GND of its other end connecting circuit; The resistance of pull down resistor 062, between 100 Ω to 10K Ω, can ensure that the settling signal that detonates that time break acquisition module 06 is sent to control module 02 is almost straight line.Control the resistance of pull down resistor, the signal that produces during electronic detonator initiating can be made to be down to the low level used time from high level and be less than 0.05 microsecond, the level and smooth non-jitter of signal curve.In working order, when electric detonator does not detonate, have electric current to pass through in time break wire 07, the signal of input control module 02 is high level; After electronic detonator initiating, time break wire 07 is blown up by electric detonator, and its electric current stops, and the signal of input control module 02 becomes low level rapidly.Control module 02 stops timing and carries out respective handling to timing result after receiving low level signal.

Described high-acruracy survey electric detonator quantity measuring method second flow process is as follows:

(1) electric detonator is connected on the external interface of detonator interface module, time break wire two ends are connected to respectively on two terminals of time break acquisition module external interface, now have electric current to pass through in time break wire, one section of time break wire is fixed on electric detonator to be detected;

(2) defer time is preset by operational module input;

(3) button that detonates in push module, control module sends fuze by detonator interface module to electric detonator, and control module starts timing;

(4), after the defer time preset arrives, electric detonator explodes, and time break wire is blown up;

(5) after time break wire disconnects, in wire, electric current stops, and control module stops timing;

Complete electric detonator measurement second amount.

Claims (2)

1. an equipment for high-acruracy survey electric detonator amount second, is characterized in that: comprise power module (01), control module (02), detonator interface module (03), display module (04), operational module (05), time break acquisition module (06) and time break wire (07); Operational module (05) is to control module (02) sending controling instruction; Control module (02) processes backward display module (04) output order data to the control instruction received, and exports electric detonator control instruction to detonator interface module (03); Different results is demonstrated after display module (04) receives director data; Detonator interface module (03) to receive after electric detonator control instruction by external interface to electric detonator sending controling instruction, and receives the return instruction of electric detonator, is inputed to control module (02); The external interface of time break acquisition module (06) connects time break wire (07), and a part for time break wire (07) is fixed on the explosion position of electric detonator; After electronic detonator initiating, time break acquisition module (06) sends to control module (02) settling signal that detonates.

2. a method for high-acruracy survey electric detonator amount second, is characterized in that: the method concrete steps are:

(1) electric detonator is connected on the external interface of detonator interface module, time break wire two ends are connected to respectively on two terminals of time break acquisition module external interface, now have electric current to pass through in time break wire, one section of time break wire is fixed on electric detonator to be detected;

(2) defer time is preset by operational module input;

(3) button that detonates in push module, control module sends fuze by detonator interface module to electric detonator, and control module starts timing;

(4), after the defer time preset arrives, electric detonator explodes, and time break wire is blown up;

(5) after time break wire disconnects, in wire, electric current stops, and control module stops timing;

Complete electric detonator measurement second amount.