An automatic ignition performance test system and method for an electric ignition head type initiating explosive device

Abstract

An automatic ignition performance test system and method of an electric ignition head type initiating explosive device, through a control test system including a control module, a feeding and explosion-proof module and a man-machine interaction module, current signal and light signal monitoring are performed, information interaction of ignition data is completed, the ignition current of the electric ignition head type initiating explosive device can be adjusted, collected ignition test data is displayed, analyzed and processed, and problems such as low test efficiency, poor safety and low quality reliability of manual operation in pure manual ignition performance test of the electric ignition head type initiating explosive device are solved.

Description

TECHNICAL FIELD

[0001] The present application relates to an automatic ignition performance test system and method for electric ignition head type initiating explosive device, belonging to the field of ignition performance test design of automatic initiating explosive device. BACKGROUND

[0002] The main function of the electric ignition head type initiating explosive device is to activate various chemical batteries. Before the delivery of the initiating explosive device, sampling and acceptance work is required, and the ignition performance test is the last process of the sampling and acceptance work. The ignition performance test process is to verify whether the ignition performance parameters of the electric ignition head type initiating explosive device meet the process technical requirements, which include:

[0003] (1) The bridge resistance of the electric ignition head type initiating explosive device before ignition should meet the requirements of the process technical documents;

[0004] (2) The ignition time of the electric ignition head type initiating explosive device should meet the requirements of the process technical documents;

[0005] (3) The minimum full ignition current of the electric ignition head type initiating explosive device should meet the requirements of the process technical documents;

[0006] For the above ignition performance test content, the existing ignition performance test method is mainly manual test, which requires three operators during testing. During the ignition performance test, the three operators need to cooperate with each other to complete the preparation of the test system, the preparation of the product, the setup and debugging of the test system, the bridge resistance check before ignition, the product installation, the product ignition, the data processing and analysis, etc. The existing manual ignition performance test method mainly has the following problems:

[0007] (1) Since the manual test is mainly in series, it cannot be cross-tested, resulting in low test efficiency;

[0008] (2) During the test process, the electric ignition head type initiating explosive device is transferred among multiple operators, which is easily affected by static electricity, causing accidental ignition of the electric ignition head type initiating explosive device and safety problems;

[0009] (3) During the test process, the product needs to be recorded manually and the ignition data needs to be processed, which is easy to cause recording errors due to personnel negligence, leading to quality problems.

[0010] With the increasing production of electric ignition head type initiating explosive device, the purely manual ignition performance test method cannot meet the existing production needs. Therefore, it is necessary to research an automatic ignition performance test method for electric ignition head type initiating explosive device to improve the ignition performance test efficiency of electric ignition head type initiating explosive device. SUMMARY

[0011] The application solves the technical problem that the firing performance test efficiency of the electric firing head type initiating explosive is low in the prior art.

[0012] The application solves the above technical problem by the following technical scheme:

[0013] The automatic firing performance test system of the electric firing head type initiating explosive comprises a control module, a feeding and explosion-proof module and a man-machine interaction module.

[0014] The control module is used for controlling the automatic feeding and discharging of the electric firing head type initiating explosive, measuring the resistance of the electric firing head type initiating explosive to obtain resistance data and transmitting the resistance data to the man-machine interaction module, monitoring the firing current signal and the light signal in real time, adjusting the firing current of the electric firing head type initiating explosive according to the signal data sent by the man-machine interaction module to realize the firing of the electric firing head type initiating explosive, transmitting the monitoring data to the man-machine interaction module and sending control instructions and signal data to the feeding and explosion-proof module for the firing control of the electric firing head type initiating explosive.

[0015] The feeding and explosion-proof module realizes the combination state or the separation state of the explosion-proof box according to the control instructions sent by the control module and realizes the feeding control and the firing control of the internal electric firing head type initiating explosive according to the signal data sent by the control module.

[0016] The man-machine interaction module sends control instructions to the control module according to the user demand, adjusts the firing current, receives the firing data returned by the control module and displays and analyzes the firing data, receives the monitoring data for analysis and processing, automatically interprets the electric firing head type initiating explosive and the firing current data and generates test data analysis results according to the interpretation results.

[0017] The control module comprises a resistance measurement unit, a constant current output unit, a programmable logic control unit, a motor driving unit, a data acquisition unit and a control loop.

[0018] The programmable logic control unit is connected with the motor driving unit, and is used for controlling automatic feeding and discharging of the electric ignition head type initiating explosive device; the measuring end of the resistance measuring unit is connected with the control loop, and is used for measuring the resistance of the electric ignition head type initiating explosive device; the communication end of the resistance measuring unit is connected with the programmable logic controller, and is used for realizing transmission of the resistance data; the output end of the constant current output unit is connected with the control loop, and is used for sending the ignition control instruction to the feeding and explosion-proof module, so as to realize ignition of the electric ignition head type initiating explosive device; the communication end of the constant current output unit is connected with the programmable logic controller, so as to adjust the ignition current; the collection end of the data collection unit is connected with the control loop and the feeding and explosion-proof module respectively, so as to realize real-time monitoring of the ignition current and the light signal according to the monitoring data; the communication end of the collection unit is connected with the man-machine interaction module through the USB data line, so as to transmit the monitoring data to the man-machine interaction module; the programmable logic controller is connected with the man-machine interaction module through the network cable, so as to realize transmission of the control parameters and the resistance data.

[0019] The ignition current is preset according to the control parameters transmitted from the man-machine interaction module to the programmable logic controller, and the man-machine interaction module sends the adjustment instruction to the programmable logic controller according to the monitoring data, so as to realize adjustment of the ignition current.

[0020] The feeding and explosion-proof module comprises a product mounting base, a sliding table, a semi-closed explosion-proof box and a photoelectric sensor, and the electric ignition head type initiating explosive device; the product mounting base is fixed on the sliding table, the semi-closed explosion-proof box is arranged at the end of the sliding table, the product mounting base is in a separated state from the semi-closed explosion-proof box when the sliding table is in an initial position, the product mounting base and the semi-closed explosion-proof box form a combined state after the product mounting base is translated and feeding is completed, the combined state is a complete non-sealed explosion-proof box, the electric ignition head type initiating explosive device is arranged in the complete non-sealed explosion-proof box, and ignition is completed after receiving the ignition instruction.

[0021] A quick clamping tool is mounted above the product mounting base, and is used for realizing quick clamping of the electric ignition head type initiating explosive device; a control loop contact point tool is mounted above the product mounting base; the control loop contact point tool realizes product short circuit when the product mounting base and the semi-closed explosion-proof box are in the separated state; the control loop contact point tool realizes mutual conduction between the product and the control loop when the product mounting base and the semi-closed explosion-proof box are in the combined state.

[0022] The man-machine interaction module comprises an industrial computer and a control combination; the industrial computer is used for sending control instructions and signal data, receiving monitoring data for analysis and processing, automatically interpreting the electric ignition head type initiating explosive device and the ignition current data, generating test data analysis results according to the interpretation results, sending control instructions to the control module according to user requirements, adjusting the ignition current, receiving ignition data returned by the control module and displaying and analyzing the ignition data.

[0023] The control combination includes a start button, an emergency stop button, a delete button and a modification button, the start button is used for sending a start signal, the emergency stop button is used for sending an emergency stop signal, the delete button is used for sending a delete data signal, and the modification button is used for sending a delete data signal.

[0024] The industrial computer runs the upper computer software, and the industrial computer is used for setting and adjusting the firing current through the upper computer software, receives the monitoring data sent by the programmable logic controller, and realizes display of the firing current curve, the photoelectric signal curve and the product resistance value; after analyzing and processing the collected curve data, automatic interpretation of the initiating explosive device firing time and the firing current is realized, and a test data analysis table is automatically generated according to the interpretation result for the user to read.

[0025] The upper computer software is developed based on C language, and the initiating explosive device firing time is the difference between the curve mutation characteristic point in the photoelectric signal curve and the curve mutation characteristic point in the firing current curve.

[0026] A test method realized by an automatic firing performance test system, comprising:

[0027] The product information of the initiating explosive device is automatically inputted by manual operation, and after the information input is successful, the electric firing head type initiating explosive device is installed on the quick installation clamp of the product installation base; if the information input fails, the product information is manually inputted by clicking the manual product number input through the upper computer software running in the industrial computer;

[0028] After the start button of the man-machine interaction module is pressed, the control module controls the product installation base of the feeding and explosion-proof module to perform a translation feeding action; when the in-place detection photoelectric switch is reached, the translation is stopped, and the in-place state detection before firing is completed;

[0029] When the control module receives the in-place state, the control loop is switched in sequence according to the short circuit state, the resistance test state and the firing state, when the control loop is switched to the resistance test state, the resistance measurement unit in the control module completes the line resistance detection; when the control loop is switched to the firing state, the constant current output unit in the control module outputs a constant direct current as a preset firing current;

[0030] After firing, the light signal generated in the detonation process of the initiating explosive device is detected in real time by the photoelectric sensor of the feeding and explosion-proof module, and the firing current signal is monitored in real time by the resistance in the control loop;

[0031] When the constant current output unit starts to output current, the control loop in the control module is switched back to the short circuit state within a preset time, and the product installation base of the feeding and explosion-proof module is controlled to translate downward to the initial position, and the translation is stopped when the initial detection photoelectric switch is reached, and the initial state detection is completed;

[0032] The measured line resistance, the monitored light signal and the current signal during the feeding process are sent to the host computer of the human-computer interaction module for data analysis and processing, and a data table is automatically generated by the host computer for downloading.

[0033] Compared with the prior art, the application has the following advantages:

[0034] (1) The automatic ignition performance test system and method of the electric ignition head type initiating explosive device provided by the application realizes automatic ignition performance test of the electric ignition head type initiating explosive device through information interaction of ignition data, monitoring of current signals and light signals, and analysis and processing of ignition test data.

[0035] (2) The automatic feeding and explosion-proof module in the application realizes automatic feeding of the electric ignition head type initiating explosive device, avoids safety risks caused by personnel misoperation compared with the existing manual feeding link, and simultaneously realizes automatic ignition performance test of the electric ignition head type initiating explosive device for the first time, which can provide reference for automatic ignition performance test of other types of initiating explosive devices. BRIEF DESCRIPTION OF DRAWINGS

[0036] Figure 1 The automatic ignition performance test system provided by the application is shown in the figure;

[0037] Figure 2 The control circuit schematic diagram of the control module provided by the application is shown in the figure;

[0038] Figure 3 The structure diagram of the feeding and explosion-proof module provided by the application is shown in the figure;

[0039] Figure 4 The control schematic diagram of the host computer provided by the application is shown in the figure; DETAILED DESCRIPTION

[0040] The automatic ignition performance test system and method of the electric ignition head type initiating explosive device, through the control test system including the control module, the feeding and explosion-proof module and the human-computer interaction module, monitors the current signals and the light signals, completes information interaction of the ignition data, adjusts the ignition current of the electric ignition head type initiating explosive device, and displays, analyzes and processes the collected ignition test data, thereby solving the problems of low test efficiency, poor safety and low quality reliability of manual ignition performance test of the electric ignition head type initiating explosive device.

[0041] The automatic ignition performance test system of the electric ignition head type initiating explosive device comprises a control module, a feeding and explosion-proof module and a human-computer interaction module.

[0042] The control module is used for controlling the automatic feeding and discharging of the electric ignition head type initiating explosive device, measuring the resistance of the electric ignition head type initiating explosive device to obtain resistance data, transmitting the resistance data to the human-computer interaction module, monitoring the ignition current signal and the light signal in real time, adjusting the ignition current of the electric ignition head type initiating explosive device according to the signal data sent by the human-computer interaction module to realize the ignition of the electric ignition head type initiating explosive device, and transmitting the monitoring data to the human-computer interaction module; and sending control instructions and signal data to the feeding and explosion-proof module for ignition control of the electric ignition head type initiating explosive device.

[0043] The feeding and explosion-proof module realizes the combination state or separation state of the explosion-proof box according to the control instructions sent by the control module, and realizes the feeding control and ignition control of the internal electric ignition head type initiating explosive device according to the signal data sent by the control module.

[0044] The human-computer interaction module sends control instructions to the control module according to user requirements, adjusts the ignition current, receives the ignition data returned by the control module and displays and analyzes the ignition data, receives the monitoring data for analysis and processing, automatically interprets the electric ignition head type initiating explosive device and the ignition current data, and generates test data analysis results according to the interpretation results.

[0045] The control module includes a resistance measurement unit, a constant current output unit, a programmable logic control unit, a motor drive unit, a data acquisition unit and a control loop.

[0046] The programmable logic control unit is connected with the motor drive unit and is used for controlling the automatic feeding and discharging of the electric ignition head type initiating explosive device; the measurement end of the resistance measurement unit is connected with the control loop to measure the resistance of the electric ignition head type initiating explosive device; the communication end of the resistance measurement unit is connected with the programmable logic controller to realize the transmission of the resistance data; the output end of the constant current output unit is connected with the control loop to send ignition control instructions to the feeding and explosion-proof module through the control loop to realize the ignition of the electric ignition head type initiating explosive device; the communication end of the constant current output unit is connected with the programmable logic controller to adjust the ignition current; the acquisition end of the data acquisition unit is connected with the control loop and the feeding and explosion-proof module respectively to monitor the ignition current and the light signal in real time according to the monitoring data; the communication end of the acquisition unit is connected with the human-computer interaction module through a USB data line to transmit the monitoring data to the human-computer interaction module; the programmable logic controller is connected with the human-computer interaction module through a network cable to realize the transmission of the control parameters and the resistance data.

[0047] The ignition current is preset according to the control parameters sent by the programmable logic controller, and the human-computer interaction module sends adjustment instructions to the programmable logic controller to realize the adjustment of the ignition current according to the monitoring data.

[0048] The loading and explosion-proof module comprises a product mounting base, a sliding table, a semi-closed explosion-proof box and a photoelectric sensor, an electric ignition head type initiating explosive device, the product mounting base is fixed on the sliding table, the semi-closed explosion-proof box is arranged at the end of the sliding table, when the sliding table is in an initial position, the product mounting base and the semi-closed explosion-proof box are in a separated state, when the product mounting base is translated and the loading is completed, the product mounting base and the semi-closed explosion-proof box form a combined state, the combined state is a complete non-sealed explosion-proof box, the electric ignition head type initiating explosive device is arranged in the complete non-sealed explosion-proof box, and firing is completed after receiving a firing instruction.

[0049] A quick clamping tool is mounted above the product mounting base, and is used for realizing quick clamping of the electric ignition head type initiating explosive device.

[0050] The human-computer interaction module comprises an industrial computer and a control combination, the industrial computer is used for sending control instructions and signal data, receiving monitoring data for analysis and processing, automatically interpreting the electric ignition head type initiating explosive device and firing current data, generating test data analysis results according to the interpretation results, sending control instructions to the control module according to user requirements, adjusting the firing current, receiving the firing data returned by the control module and displaying and analyzing the firing data.

[0051] The control combination comprises a start button, an emergency stop button, a delete button and a modification button, the start button is used for sending a start signal, the emergency stop button is used for sending an emergency stop signal, the delete button is used for sending a delete data signal, and the modification button is used for sending a delete data signal.

[0052] The industrial computer runs host computer software, the industrial computer is used for setting and adjusting the firing current through the host computer software, receiving monitoring data sent by the programmable logic controller, and realizing display of a firing current curve, a photoelectric signal curve and a product resistance value; after analyzing and processing the collected curve data, automatic interpretation of the initiating explosive device firing time and the firing current is realized, and a test data analysis table is automatically generated according to the interpretation results for user reading.

[0053] The host computer software is developed based on C language, and the initiating explosive device firing time is the difference between a curve mutation characteristic point in the photoelectric signal curve and a curve mutation characteristic point in the firing current curve.

[0054] The test method realized by the automatic firing performance test system is as follows:

[0055] The automatic input of the product information of the initiating explosive device is performed manually, and after the information input is successful, the electric firing head type initiating explosive device is installed on the quick mounting clamp of the product mounting base; if the information input fails, the manual input of the product information is performed by clicking the manual input of the product number through the host computer software running in the industrial computer;

[0056] After the start button of the human-computer interaction module is pressed, the control module controls the product mounting base of the feeding and explosion-proof module to perform a translation feeding action; when the in-place detection photoelectric switch is reached, the translation is stopped, and the in-place state detection before firing is completed.

[0057] When the control module receives the in-place state, the control loop is switched in sequence according to the short-circuit state, the resistance test state and the firing state, when the control loop is switched to the resistance test state, the resistance measurement unit in the control module completes the line resistance detection; when the control loop is switched to the firing state, the constant current output unit in the control module outputs a constant direct current as a preset firing current.

[0058] After firing, the light signal generated during the detonation of the initiating explosive device is detected in real time by the photoelectric sensor of the feeding and explosion-proof module during the detonation process, and the firing current signal is monitored in real time by the resistance in the control loop.

[0059] When the constant current output unit starts to output current, the control loop inside the control module is switched back to the short-circuit state within a preset time, and the product mounting base of the feeding and explosion-proof module is controlled to translate downward to the initial position, and the translation is stopped when the initial detection photoelectric switch is reached, and the initial state detection is completed.

[0060] During the unloading process, the measured line resistance, the monitored light signal and the current signal are collected and sent to the host computer of the human-computer interaction module for data analysis and processing, and a data table is automatically generated by the host computer for downloading.

[0061] The following will be further described in conjunction with the drawings and preferred embodiments of the specification:

[0062] In the current embodiment, as shown in Figure 1 The automatic firing performance test method of the electric firing head type initiating explosive device includes a control module, a feeding and explosion-proof module and a human-computer interaction module, and the overall steps include:

[0063] Step 1: The automatic input of the product information of the initiating explosive device is performed by manually operating the code scanning gun of the human-computer interaction module, and after the information input is successful, the initiating explosive device is installed on the quick mounting clamp 5 of the product mounting base. If the automatic input of the information fails, the manual input of the product information is performed by clicking the manual input of the product number 14 through the host computer software running in the industrial computer.

[0064] Step 2: After the start button of the human-computer interaction module is pressed manually, the control module will control the product mounting base 1 of the feeding and explosion-proof module to perform a translational feeding action. During the feeding process, the product mounting base will reduce the feeding speed when passing through the feeding deceleration photoelectric switch 9, and will stop translating when reaching the in-place detection photoelectric switch 10, completing the in-place state detection before firing.

[0065] Step 3: After the control module receives the in-place state, the control loop inside the control module will sequentially switch according to the short-circuit state, resistance test state, and firing state. When the control loop switches to the resistance test state, the resistance measurement unit in the control module completes the line resistance detection. When the control loop switches to the firing state, the constant current output unit in the control module will output a constant direct current, and complete the detonation of the initiating explosive device with this current.

[0066] Step 4: During the product detonation process, the photoelectric sensor 4 of the feeding and explosion-proof module detects the light signal generated during the detonation of the initiating explosive device in real time, and the 1Ω resistance in the control loop is used to monitor the firing current signal in real time.

[0067] Step 5: After the constant current output unit in step 3 starts to output current for a certain period of time, the control loop inside the control module will switch back to the short-circuit state, and control the product mounting base 1 of the feeding and explosion-proof module to translate downward to the initial position. During the unloading process, the product mounting base will reduce the unloading speed when passing through the unloading deceleration photoelectric switch 8, and will stop translating when reaching the initial detection photoelectric switch 7, completing the initial state detection.

[0068] Step 6: During the unloading process, the line resistance measured in step 3 and the light signal and current signal monitored in step 4 will be sent to the upper computer of the human-computer interaction module for data analysis and processing, and a data table will be automatically generated by the upper computer for downloading.

[0069] As Figure 1As shown, the control module includes a resistance measurement unit, a constant current output unit, a programmable logic control unit, a motor drive unit, a data acquisition unit, and a control loop. Among them, the programmable logic control unit is connected with the motor drive unit, and the motor drive unit is connected with the sliding table 2 of the feeding and explosion-proof control unit, which is used to control the automatic feeding and discharging action of the electric firing head type initiating explosive device; the measurement end of the resistance measurement unit is connected with the control loop to realize the resistance measurement function of the electric firing head type initiating explosive device, and the communication end of the resistance measurement unit is connected with the programmable logic controller to realize the transmission of resistance data. The output end of the constant current output unit is connected with the control loop to realize the firing function of the electric firing head type initiating explosive device; the communication end of the constant current output unit is connected with the programmable logic controller to realize the adjustment of the firing current size. The acquisition end of the data acquisition unit is connected with the 1Ω resistance of the control loop and the photoelectric sensor of the feeding and explosion-proof module respectively to realize the real-time monitoring of the firing current and the optical signal; the communication end of the acquisition unit is connected with the industrial computer through the USB data line to realize the function of transmitting the monitoring signal to the industrial computer. The programmable logic control is connected with the industrial computer through the network cable to realize the transmission of control parameters and resistance data.

[0070] The control parameters are the firing current size 17, the firing current median value 20, and the firing current step size 21 set in the host computer.

[0071] The control loop is as shown in Figure 2 The control loop is as shown in Figure 3 The control loop is as shown in

[0072] The 1Ω sampling resistance is connected to the measurement end of the data acquisition unit respectively to realize the real-time monitoring of the current in the control loop.

[0073] The resistance measurement unit is connected to the function switching relay (negative) and the function switching relay (positive) respectively to realize the line resistance measurement in the control loop.

[0074] The function switching signal of the function switching relay is provided by programmable logic control, realizing function switching of the control circuit between the firing state (or short circuit state) and the resistance measurement state.

[0075] The short circuit relay is connected to the output end of the output relay (positive electrode) and the output end of the constant current output relay (negative electrode) in parallel mode, and is in a normally closed state by default, ensuring that the control circuit at the product end is always in a short circuit state.

[0076] The control end contact 11 is installed at the end of the semi-enclosed explosion-proof box of the loading and explosion-proof module.

[0077] The product end contact 6 is installed above the product mounting base 1 and connected to the quick clamping tool 5. At the same time, the two ends of the quick clamping tool 5 are connected in parallel with the product short circuit switch, which is in a normally closed state by default, ensuring that the product mounting base 1 is always in a short circuit state before loading is completed.

[0078] As shown in Figure 3 , the loading and explosion-proof module includes a product mounting base 1, a sliding table 2, a semi-enclosed explosion-proof box 3, a photoelectric sensor 4, a quick clamping tool 5, a product end contact 6, an initial detection photoelectric switch 7, a unloading deceleration photoelectric switch 8, a loading deceleration photoelectric switch 9, a positioning detection photoelectric switch 10, and a control end contact 11.

[0079] The product mounting base 1 is fixed on the sliding table 2.

[0080] The semi-enclosed explosion-proof box 3 is located at the end of the sliding table and is not connected to the sliding table.

[0081] The photoelectric sensor 4 is installed at the top end of the semi-enclosed explosion-proof box 3, and the signal receiving end of the photoelectric sensor 4 should be aligned with the top opening of the semi-enclosed explosion-proof box 3, and a transparent protective glass should be installed at the connection.

[0082] The quick clamping tool 5 is fixed above the product mounting base 1, and the quick clamping tool 5 can realize quick clamping and installation of electric firing head type initiating explosive devices.

[0083] The product end contact 6 is fixed above the product mounting base 1 and located beside the quick clamping tool 5.

[0084] The initial detection photoelectric switch 7 is located on the left side of the sliding table;

[0085] The unloading deceleration photoelectric switch 8 is located to the right of the initial detection photoelectric switch 7;

[0086] The loading deceleration photoelectric switch 9 is located on the right side of the sliding table;

[0087] The positioning detection photoelectric switch 10 is located to the right of the loading deceleration photoelectric switch 9;

[0088] The control end contact 11 is fixed at the tail of the semi-enclosed explosion-proof box 3 and connected with the rest of the control circuit through a cable as shown in Figure 2 .

[0089] When the product mounting base 1 is in the initial position of the sliding table, the product mounting base is separated from the semi-enclosed explosion-proof box, and the product short-circuit switch connected in parallel at both ends of the quick clamping tool 5 is always in the closed state.

[0090] When the product mounting base 1 is translated to the right to complete the feeding action, the product mounting base 1 and the semi-enclosed explosion-proof box 3 will form a combined state, which constitutes a complete but non-sealed explosion-proof box. At this time, the product short-circuit switch connected in parallel at both ends of the quick clamping tool 5 will be disconnected, and the product end contact 6 will be in contact with the control end contact 11, so that the product is connected to the control circuit. After the product is connected to the control circuit, the control circuit is operated by the programmable logic controller to switch among the short-circuit state, resistance test state, and firing state. At the same time, the industrial computer will communicate with the programmable logic controller through the network cable to complete the interaction of control parameters and collected data.

[0091] The human-computer interaction module includes a start button, an emergency stop button, a delete button, a modification button, and an industrial computer. The start button is connected with the programmable controller for sending a start signal; the emergency stop button is connected with the programmable controller for sending an emergency stop signal; the delete button is connected with the programmable controller for sending a delete data signal; the modification button is connected with the programmable controller for sending a delete data signal; the industrial computer is connected with the programmable logic controller through a network cable to complete the interaction of control parameters and collected data; and the industrial computer is connected with the data acquisition unit through a USB cable to realize the interaction of collected data.

[0092] The industrial computer runs the host computer software as shown in Figure 4 . Before the operator presses the start button, the host computer software needs to determine the connection state 13 of the control module. After the state connection is normal, the zero line resistance calibration 23 function needs to be pressed, and then the firing current 17, the median current 18, 20, and the current step 19, 21 of the product can be set, and the current process number 22 of the firing performance test can be selected.

[0093] When the above preparations are ready, the operator automatically enters the product information through the code scanning gun of the man-machine interaction module, and if the entry is successful, there will be a prompt sound. If the automatic entry fails, the product information can be entered through the manual input product number 14 option. After successfully entering the product information, the green light of the start button is on, at which time the operator can install the electric ignition head type initiating explosive on the quick clamping tool 5 and press the start button. After the product is ignited and exploded, the ignition current curve 30, the photoelectric signal curve 29, the actual ignition current 28, the actual ignition time 27, the product resistance value 16, the ignition data statistical result 25 and the ignition test data table 24 will be displayed in the upper computer software. After the ignition performance test is completed, the test data table can be downloaded through the current process data 15 option.

[0094] The ignition time of the initiating explosive is the difference between the curve mutation characteristic point in the photoelectric signal curve and the curve mutation characteristic point in the ignition current curve.

[0095] Based on the above best embodiment, an automatic ignition performance test method of the electric ignition head type initiating explosive can be realized. The method of the present application can replace the existing manual ignition performance test method, achieve the purpose of improving the test efficiency by 2 times and reducing the labor cost by 2 persons, and at the same time, the method of the present application can avoid the safety risk caused by personnel misoperation and the quality risk caused by personnel experience-based interpretation of test data.

[0096] Although the present application has been disclosed with the above preferred embodiments, it is not intended to limit the present application, and any person skilled in the art can make possible changes and modifications to the technical solutions of the present application without departing from the spirit and scope of the present application. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application, which does not deviate from the technical solutions of the present application, belongs to the protection scope of the technical solutions of the present application.

[0097] The contents not described in detail in the specification of the present application belong to the known technology of those skilled in the art.

Claims

1. An automatic firing performance test system for electrically fired head type initiating explosive device, characterized in that: it comprises a control module, a feeding and explosion-proof module, and a man-machine interaction module; the control module is used to control the automatic feeding and discharging of the electrically fired head type initiating explosive device, measure the resistance of the electrically fired head type initiating explosive device to obtain resistance data, transmit the resistance data to the man-machine interaction module, monitor the firing current signal and light signal in real time, adjust the firing current of the electrically fired head type initiating explosive device according to the signal data sent by the man-machine interaction module, realize the firing of the electrically fired head type initiating explosive device, and transmit the monitoring data to the man-machine interaction module; the control module sends control instructions and signal data to the feeding and explosion-proof module for firing control of the electrically fired head type initiating explosive device; the feeding and explosion-proof module realizes the combination state or separation state of the explosion-proof box according to the control instructions sent by the control module, and realizes the feeding control and firing control of the internal electrically fired head type initiating explosive device according to the signal data sent by the control module; the man-machine interaction module sends control instructions to the control module according to user requirements, adjusts the firing current, receives the firing data returned by the control module and performs display and analysis; the man-machine interaction module receives the monitoring data for analysis and processing, automatically interprets the electrically fired head type initiating explosive device and the firing current data, and generates test data analysis results according to the interpretation results.

2. The automatic firing performance test system for electrically fired head type initiating explosive device according to claim 1, characterized in that: the control module comprises a resistance measurement unit, a constant current output unit, a programmable logic control unit, a motor drive unit, a data acquisition unit, and a control loop; the programmable logic control unit is connected with the motor drive unit and used to control the automatic feeding and discharging of the electrically fired head type initiating explosive device; the measurement end of the resistance measurement unit is connected with the control loop and used to measure the resistance of the electrically fired head type initiating explosive device; the communication end of the resistance measurement unit is connected with the programmable logic controller and used to realize the transmission of the resistance data; the output end of the constant current output unit is connected with the control loop, the control loop sends firing control instructions to the feeding and explosion-proof module to realize the firing of the electrically fired head type initiating explosive device, and the communication end of the constant current output unit is connected with the programmable logic controller to adjust the firing current; the acquisition end of the data acquisition unit is connected with the control loop and the feeding and explosion-proof module, and the data acquisition unit monitors the firing current and light signal in real time according to the monitoring data; the communication end of the acquisition unit is connected with the man-machine interaction module through a USB data line to transmit the monitoring data to the man-machine interaction module; the programmable logic controller is connected with the man-machine interaction module through a network cable to realize the transmission of the control parameters and the resistance data.

3. The automatic firing performance test system for electrically fired head type initiating explosive device according to claim 2, characterized in that: the firing current is preset according to the control parameters sent by the man-machine interaction module to the programmable logic controller, and the man-machine interaction module sends adjustment instructions to the programmable logic controller to adjust the firing current according to the monitoring data.

4. The automatic firing performance test system for electrically fired head type initiating explosive device according to claim 1, characterized in that: ​ ​ ​ ​ ​ ​ ​ The feeding and explosion-proof module comprises a product mounting base, a sliding table, a semi-closed explosion-proof box and a photoelectric sensor, an electric ignition head type initiating explosive device, the product mounting base is fixed on the sliding table, the semi-closed explosion-proof box is arranged at the end of the sliding table, when the sliding table is in an initial position, the product mounting base and the semi-closed explosion-proof box are in a separated state, when the product mounting base is translated and feeding is completed, the product mounting base and the semi-closed explosion-proof box form a combined state, the combined state is a complete non-sealed explosion-proof box, the electric ignition head type initiating explosive device is arranged in the complete non-sealed explosion-proof box, and ignition is completed after receiving an ignition instruction.

5. The automatic ignition performance test system of the electric ignition head type initiating explosive device according to claim 4, characterized in that: A quick clamping tool is installed above the product mounting base for quick clamping of the electric ignition head type initiating explosive device, and a control loop contact point tool is installed above the product mounting base; in the separated state of the product mounting base and the semi-closed explosion-proof box, the control loop contact point tool realizes product short circuit; in the combined state of the product mounting base and the semi-closed explosion-proof box, the control loop contact point tool realizes mutual conduction of the product and the control loop.

6. The automatic ignition performance test system of the electric ignition head type initiating explosive device according to claim 1, characterized in that: The human-computer interaction module comprises an industrial computer and a control combination, the industrial computer is used for sending control instructions and signal data, receiving monitoring data for analysis and processing, automatically interpreting the electric ignition head type initiating explosive device and ignition current data, generating test data analysis results according to the interpretation results, and sending control instructions to the control module according to user requirements to adjust the ignition current, receiving ignition data returned by the control module and displaying and analyzing the ignition data.

7. The automatic ignition performance test system of the electric ignition head type initiating explosive device according to claim 6, characterized in that: The control combination comprises a start button, an emergency stop button, a delete button and a modify button, the start button is used for sending a start signal, the emergency stop button is used for sending an emergency stop signal, the delete button is used for sending a delete data signal, and the modify button is used for sending a delete data signal.

8. The automatic ignition performance test system of the electric ignition head type initiating explosive device according to claim 7, characterized in that: The industrial computer runs host computer software, the industrial computer is used for setting and adjusting the ignition current through the host computer software, receiving monitoring data sent by the programmable logic controller to realize display of an ignition current curve, a photoelectric signal curve and a product resistance value, automatically interpreting the ignition time and the ignition current of the initiating explosive device after analyzing and processing the collected curve data, and automatically generating a test data analysis table according to the interpretation results for user reading.

9. The automatic ignition performance test system of the electric ignition head type initiating explosive device according to claim 8, characterized in that: The host computer software is developed based on C language, and the ignition time of the initiating explosive device is the difference between a curve mutation characteristic point in the photoelectric signal curve and a curve mutation characteristic point in the ignition current curve.

10. A method of testing implemented by the automated firing performance test system of claim 9, characterized in that including: The automatic input of the product information of the initiating explosive device is manually performed, and after the information input is successful, the electric ignition head type initiating explosive device is installed on the quick installation clamp of the product installation base; if the information input fails, the manual input of the product information is performed by clicking the manual input of the product number through the host computer software running in the industrial computer; After the start button of the human-computer interaction module is pressed, the control module controls the product installation base of the feeding and explosion-proof module to perform the translational feeding action; when the in-place detection photoelectric switch is reached, the translation is stopped, and the in-place state detection before ignition is completed; When the control module receives the in-place state, the control circuit is switched in sequence according to the short-circuit state, the resistance test state and the ignition state, when the control circuit is switched to the resistance test state, the resistance measurement unit in the control module completes the line resistance detection; when the control circuit is switched to the ignition state, the constant current output unit in the control module outputs a constant direct current as a preset ignition current; After ignition, the light signal generated in the initiation process of the initiating explosive device is detected in real time through the photoelectric sensor of the feeding and explosion-proof module during the initiation process, and the ignition current signal is monitored in real time through the resistance in the control circuit; When the constant current output unit starts to output the current, the control circuit inside the control module is switched back to the short-circuit state within a preset time, and the product installation base of the feeding and explosion-proof module is controlled to translate downward to the initial position, and when the initial detection photoelectric switch is reached, the translation is stopped, and the initial state detection is completed; During the unloading process, the measured line resistance, the monitored light signal and the current signal are collected and sent to the host computer of the human-computer interaction module for data analysis and processing, and a data table is automatically generated by the host computer for downloading.

Images