CN111272032A - System and method for testing delay time of detonator - Google Patents
System and method for testing delay time of detonator Download PDFInfo
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Abstract
The invention provides a test system and a test method for delay time of a detonator, which comprises the following steps: the initiator comprises a transmission interface and a detonator interface, the initiator is provided with delay time of the electronic detonator, the luminotron generates an optical signal when the electronic detonator is detonated, the optical receiving sensor receives the optical signal, the initiator controls the detonation time of the electronic detonator, and the sensor receives an explosion signal after the electronic detonator is detonated; a target optical signal receiving sensor receives an optical signal from the optical receiving sensor, which is caused by the detonation of the electronic detonator, and starts the timing of the delay time detector; when the delay time detector collects an explosion signal, the timer is stopped; the detonator closes the output of the electronic detonator interface, and after detonation is finished, the delay time detector displays the delay time. The invention utilizes the second amount of delay detection equipment of the detonator to detect the actual delay time of the electronic detonator priming system, and can be suitable for the detection requirements of electronic detonator products of different manufacturers.
Description
Technical Field
The invention relates to the technical field of performance detection of civil blasting equipment, in particular to a system and a method for testing delay time of a detonator.
Background
With the continuous maturity and development of the electronic detonator technology, the electronic detonator is widely accepted in the global blasting world. The electronic detonator adopts the electronic control module to replace delay powder of the traditional electronic detonator, thereby realizing the accurate control of delay time and achieving the accurate blasting. The delay time is an important index for representing the performance of the electronic detonator. The delay time of the electronic detonator refers to the time interval between the detonation controller sending the detonation signal and the detonation of the electronic detonator.
The traditional delay time detection equipment can be used for detecting the delay time of the electric detonator and the detonator of the detonating tube or the detonation velocity of the detonating tube. When the electric detonator is detected, the electric detonator is detonated by the detection equipment, and the detection equipment generates a target trigger starting signal. When the delay time of the detonator and the detonation velocity of the detonating tube are detected, the delay detection equipment acquires a detonator initiation signal or an optical signal when the explosive in the detonating tube is detonated and serves as a target trigger signal to start the detection of the delay time. Because the electronic detonator detonates the electronic detonator by means of instructions, the traditional delay second amount detection equipment cannot be directly applied to delay measurement of the electronic detonator.
The existing electronic detonator delay time measurement generally adopts two methods:
the method comprises the following steps: the delay detection equipment special for the electronic detonator is used: for example, the delay time detection device mentioned in the patents of "CN 201748868U electronic detonator sampling inspection device" and "CN 201476721U a detonator delay time measurement device using photoelectric technology" realizes the detection of the detonation and delay seconds of the electronic detonator in the same device, and the device starts the timing start signal of the delay detection while outputting the instruction of detonating the electronic detonator, and notifies the timer to work after collecting the detonation signal, thereby realizing the detection of the delay time, and the scheme has the following disadvantages:
1. the delay detection equipment needs to detonate the electronic detonator and needs to send a series of instructions to the electronic detonator, and the electronic detonator instruction systems of all manufacturers are different, so that the detection equipment of all manufacturers are not mutually fused, the detection requirements of the own electronic detonator can be met, and the electronic detonators of other manufacturers cannot be detected;
2. the electronic detonator and the delay detection equipment are both self-developed by each manufacturer, and in order to ensure that the delay time of the electronic detonator is qualified, for example, unqualified data on the detection equipment is subjected to background processing, the calibration mode of the electronic detonator is subjected to special processing, and the like, the authority of the detection result is reduced;
3. when the electronic detonator is applied, the delay time is calibrated, set and controlled by the initiator, the delay precision of the detonator is not only dependent on the detonator but also dependent on the initiator, only the precision of the electronic detonator is examined, and the actual application precision when the electronic detonator and the initiator are matched is difficult to judge;
the second method comprises the following steps: the delay time detection adopts the traditional delay detection equipment, two electronic detonators are used during detection, one electronic detonator is set to be instantaneous, an optical signal generated by explosion is used as a first target signal, and the second target signal is an explosion signal of a second electronic detonator;
1. the detection cost is higher by using two detonators;
2. the target signal is an explosion signal of an electronic detonator, and the deviation of the explosion signal can influence the deviation of delay time detected by time;
3. because the signal of the first target is not standard, when the acquisition delay time is unqualified, the judgment of the unqualified product caused by the signal of the first target or the unqualified product of the second target is difficult.
Disclosure of Invention
The object of the present invention is to solve at least one of the technical drawbacks mentioned.
Therefore, the invention aims to provide a test system and a test method for detonator delay time.
In order to achieve the above object, an embodiment of an aspect of the present invention provides a test system for detonator delay time, including: an initiator, a luminotron and a delay time detector, wherein,
the detonator comprises a transmission interface and a detonator interface, the transmission interface is connected with a light emitting tube, the detonator is provided with the delay time of the electronic detonator so that the electronic detonator is in a state to be excited, the light emitting tube generates a light signal when the electronic detonator is detonated, a light receiving sensor is arranged opposite to the light emitting tube and receives the light wave signal, and the light wave signal is further sent to the delay time detector,
the detonator interface is connected with the electronic detonator, the detonating time of the electronic detonator is controlled by the detonator, and after the electronic detonator is detonated, an explosion signal is received by the sensor and is sent to the delay time detector;
the delay time detector comprises: the input end of the target light signal receiving sensor is connected with the output end of the light receiving sensor and used for receiving a light signal from the light receiving sensor and generated by the light emitting tube controlled by the exploder and starting the timing of the delay time detector; the input end of the two-target explosion signal acquisition sensor is connected with the output end of the sensor, and the timer stops working after the delay time detector acquires the explosion signal from the two-target explosion signal acquisition sensor; and the detonator closes the output of the electronic detonator interface, and after detonation is finished, the delay time is displayed by the delay time detector.
Further, the explosion signal received by the sensor is a sound wave signal, a vibration signal, an optical signal, an off-on or on-off switch signal.
Further, the transmission interface adopts a cascade interface.
Further, the transmission interface further comprises a communication interface.
Further, when the transmission interface of the initiator outputs a preset data state, the light-emitting tube is controlled to be in a light-off state; and after the detonator outputs a detonation instruction, the data state output by the transmission interface is inverted, and the light-emitting tube is controlled to be on to generate an optical signal.
Further, the initiator comprises: the digital electronic detonator comprises a power supply module, a communication module, a display module, a control module and a signal interface, wherein the power supply circuit comprises an analog/digital converter and a voltage converter, and the voltage converter is used for converting communication signals and facilitating the reception of the digital electronic detonator; the signal interface is provided with the transmission interface and a detonator interface; the transmission interface is connected with the light emitting tube; the detonator interface is connected with the electronic detonator, the power supply module is connected with the control module, the communication module is connected with the control module, and the display module is connected with the communication module and the control module. The embodiment of the other aspect of the invention provides a method for testing the delay time of a detonator, which comprises the following steps:
step S1, initializing the transmission interface by the initiator, and setting the transmission interface to be in a data sending mode;
step S2, the transmission interface of the detonator outputs a preset data state to control the light-emitting tube to be in a light-off state;
step S3, setting the delay time of the electronic detonator by the initiator, so that the electronic detonator is in a to-be-excited state;
step S4, the detonator outputs a detonation instruction, and after the detonator outputs the detonation instruction, the data state output by the transmission interface is inverted, so that the light-emitting tube is controlled to be on to generate an optical signal; the sensor receives the optical signal and sends the optical signal to the delay time detector;
step S5, a target optical signal receiving sensor of the delay time detector receives an optical signal which is from the optical receiving sensor and is caused by the detonation of the electronic detonator, and the timing of the delay time detector is started; after the two-target explosion signal acquisition sensor of the delay time detector acquires the explosion signal of the sensor, the timer is stopped;
step S6, the initiator closes the output of the electronic detonator interface and cuts off the power supply of the electronic detonator;
and step S7, after finishing the detonation, displaying the delay time by a delay time detector.
Further, in the step S4, the explosion signal received by the sensor is a sound wave signal, a vibration signal, an optical signal, an off-on or an on-off signal.
Further, when the transmission interface of the initiator outputs a preset data state, the light-emitting tube is controlled to be in a light-off state; and after the exploder outputs an explosion signal, the data state output by the transmission interface is inverted, the light of the light-emitting tube is controlled to be on, and an optical signal is generated.
According to the test system and the test method for the delay time of the detonator, provided by the embodiment of the invention, the electronic detonator is detonated by the detonators of various manufacturers by utilizing the second amount of delay detection equipment of the detonator, and the second amount of delay detection equipment detects the actual delay time of the initiation system of the electronic detonator, so that the test system and the test method can be suitable for the detection requirements of different electronic detonator products. The invention has the following beneficial effects:
(1) the independent and common delay second amount detection equipment is adopted, so that a detonator manufacturer uniformly uses the traditional delay second amount detection equipment to realize the detection of the electronic detonator, thereby being beneficial to the periodic maintenance of the metering equipment and the reduction of the periodic inspection cost;
(2) a target output signal is generated by the detonator after the detonator sends a detonation instruction, and the error of a target signal cannot be generated;
(3) and the delay second amount detection equipment adopts independent third-party equipment, so that the reliability of detection data is increased.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a block diagram of a detonator delay time test system according to an embodiment of the present invention;
FIG. 2 is a flow chart of a method of testing detonator delay time according to an embodiment of the present invention;
fig. 3 is a circuit diagram of an analog-to-digital converter according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
As shown in fig. 1, the detonator delay time testing apparatus according to the embodiment of the present invention includes: the detonator 100, the light emitting tube 600 and the delay time detector 300.
Specifically, the initiator includes: the digital electronic detonator comprises a power supply module, a communication module, a display module, a control module and a signal interface, wherein the power supply circuit comprises an analog/digital converter and a voltage converter, and the voltage converter is used for converting communication signals and facilitating the reception of the digital electronic detonator; the signal interface is provided with the transmission interface and a detonator interface; the transmission interface is connected with the light emitting tube; the detonator interface is connected with the electronic detonator, the power supply module is connected with the control module, the communication module is connected with the control module, and the display module is connected with the communication module and the control module.
In the embodiment of the present invention, the analog/digital converter adopts a dual-core 8-bit single-chip sampling analog/digital converter with model number AD9288, as shown in fig. 3.
The initiator 100 comprises a transmission interface 110 and a detonator interface 120, the transmission interface 110 is connected with the luminous tube 600, and the initiator 100 sets the delay time of the electronic detonator 400 so that the electronic detonator 400 is in a to-be-excited state. The transmission interface 110 may be a cascade interface. Also, the transmission interface 110 may further include a communication interface.
To meet large-scale detonations, a cascade interface is generally required between the initiators 100 for data interaction between the devices. The transmission interface 110 of the initiator 100 may also be provided with a communication interface for communicating with a computer. The initiator 100 is further provided with a detonator interface for communicating with the electronic detonator 400, thereby realizing initiation control of the electronic detonator 400.
The cascade interface and the communication interface are connected with an external light emitting tube 600, and when the electronic detonator 400 is detonated, the detonator 100 controls the light emitting tube 600 to generate a light signal. A light receiving sensor 700 is disposed opposite to the light emitting tube 600, and the light receiving sensor 700 receives the light wave signal, further transmits the light wave signal to the delay time detector 300, and starts delay timing.
In the embodiment of the present invention, when the transmission interface 110 of the initiator 100 outputs a preset data state, the light emitting tube 600 is controlled to be in a light-off state; after the initiator 100 outputs the initiation command, the data state output by the transmission interface 110 is inverted, and the light emitting tube 600 is controlled to be on to generate a light signal.
For example, when the transmission interface 110 of the initiator 100 outputs data 1, the light emitting tube 600 is controlled to be in a light-off state; after the initiator 100 outputs an instruction for initiation, the data state output by the transmission interface 110 is inverted, and the data 0 controls the light emitting tube 600 to be on to generate an optical signal.
Or, when the transmission interface 110 of the initiator 100 outputs data 0, the light-emitting tube 600 is controlled to be in a light-off state; after the initiator 100 outputs the initiation command, the data state output by the transmission interface 110 is inverted, and the data 1 controls the light emitting tube 600 to be on to generate the light signal.
The detonator interface is connected with the electronic detonator 400, the initiation time of the electronic detonator 400 is controlled by the initiator 100, and after the electronic detonator 400 is initiated, an explosion signal is received by the sensor 500 and sent to the delay time detector 300.
In an embodiment of the present invention, the explosion signal received by the sensor 500 is a sound wave signal, a vibration signal, a light signal, an off-on or on-off switch signal. Among them, the sensor 500 may be a sound sensor (receiving explosion sound), a photo-sensitive tube (receiving light emitted by explosive explosion), a piezoelectric sensor (receiving impact shock generated by explosion), an on-off target: a communicating coil (broken by explosion), a break-make target, wound at the end of the detonator: a cutoff coil (ionospheric communication coil generated by explosive explosion) wound around the end of the detonator.
The delay time detector 300 includes: a one target optical signal receiving sensor 310 and a two target explosion signal collecting sensor 320. The input end of a target light signal receiving sensor 310 is connected to the output end of the light receiving sensor 700, and the light triggering mode is adopted, so as to receive the light signal from the light receiving sensor 700, which is generated by the initiator 100 controlling the light emitting tube 600, and start the timing of the delay time detector 300. Wherein the sensor 700 may be a photodiode.
The input end of the two-target explosion signal acquisition sensor 320 is connected with the output end of the sensor, and when the delay time detector 300 acquires an explosion signal from the two-target explosion signal acquisition sensor 320, the timer stops working; the initiator 100 closes the interface output of the electronic detonator 400 and cuts off the power supply of the electronic detonator 400. After the detonation is finished, the delay time is displayed by the delay time detector 300.
The detonator delay time testing device provided by the embodiment of the invention has the following working principle:
in step S1, the initiator initializes the transmission interface and sets it to a data transmission mode.
And step S2, outputting a preset data state by the transmission interface of the detonator so as to control the light-emitting tube to be in a light-off state.
In this step, when the transmission interface of the initiator outputs a preset data state, the light-emitting tube is controlled to be in a light-off state.
And step S3, setting the delay time of the electronic detonator by the initiator, enabling the electronic detonator to be in a to-be-excited state, and after the initiator outputs an initiation instruction, inverting the data state output by the transmission interface, controlling the light-emitting tube to be on and generating an optical signal.
Specifically, after the detonator outputs a detonation instruction, the data state output by the transmission interface is inverted, and the light-emitting tube is controlled to be on to generate an optical signal.
For example, when the transmission interface of the initiator outputs data 1, the light-emitting tube is controlled to be in a light-off state; after the detonator outputs a detonation instruction, the data state output by the transmission interface is inverted, and the data 0 controls the light-emitting tube to be on to generate an optical signal.
Or when the transmission interface of the initiator outputs data 0, controlling the light-emitting tube to be in a light-off state; after the detonator outputs a detonation instruction, the data state output by the transmission interface is inverted, and the data 1 controls the light-emitting tube to be on to generate an optical signal.
And step S4, after the light emitting tube generates the light signal, the light receiving sensor receives the light signal and further sends the light signal to the delay time detector. The sensor receives the optical signal and sends the optical signal to the delay time detector.
In an embodiment of the invention, the explosion signal received by the sensor is a sound wave signal, a vibration signal, a light signal, an off-on or an on-off switch signal.
Step S5, a target optical signal of the delay time detector adopts an optical trigger mode, the receiving sensor receives an optical signal which is from the optical receiving sensor and is caused by the detonation of the electronic detonator, and the timing of the delay time detector is started. Stopping the timer after the two-target explosion signal acquisition sensor of the delay time detector acquires the explosion signal of the sensor;
step S6, the detonator closes the output of the electronic detonator interface and cuts off the power supply of the electronic detonator;
and step S7, after finishing the detonation, displaying the delay time by a delay time detector.
According to the testing device for the delay time of the detonator, provided by the embodiment of the invention, the electronic detonator is detonated by the detonators of various manufacturers by utilizing the second amount of delay detection equipment of the detonator, and the second amount of delay detection equipment detects the actual delay time of the initiation system of the electronic detonator, so that the testing device can be suitable for the detection requirements of different electronic detonator products. The invention has the following beneficial effects:
(1) the method adopts independent and common delay second detection equipment, so that detonator manufacturers uniformly use the traditional delay second detection equipment to realize the detection of the electronic detonators;
(2) a target output signal is generated by the detonator after the detonator sends out the explosion signal, and the error of the target signal cannot be generated;
(3) and the delay second amount detection equipment adopts independent third-party equipment, so that the reliability of detection data is increased.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made in the above embodiments by those of ordinary skill in the art without departing from the principle and spirit of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. A test system for delay time of a detonator is characterized by comprising: an initiator, a luminotron and a delay time detector, wherein,
the detonator comprises a transmission interface and a detonator interface, the transmission interface is connected with a light emitting tube, the detonator is provided with the delay time of the electronic detonator so that the electronic detonator is in a state to be excited, the light emitting tube generates a light signal when the electronic detonator is detonated, a light receiving sensor is arranged opposite to the light emitting tube and receives the light wave signal, and the light wave signal is further sent to the delay time detector,
the detonator interface is connected with the electronic detonator, the detonating time of the electronic detonator is controlled by the detonator, and after the electronic detonator is detonated, an explosion signal is received by the sensor and is sent to the delay time detector;
the delay time detector comprises: the input end of the target light signal receiving sensor is connected with the output end of the light receiving sensor and used for receiving a light signal from the light receiving sensor and generated by the light emitting tube controlled by the exploder and starting the timing of the delay time detector; the input end of the two-target explosion signal acquisition sensor is connected with the output end of the sensor, and the timer stops working after the delay time detector acquires the explosion signal from the two-target explosion signal acquisition sensor; and the detonator closes the output of the electronic detonator interface, and after detonation is finished, the delay time is displayed by the delay time detector.
2. The detonator delay time test system of claim 1, wherein the detonation signal received by the sensor is a sonic signal, a vibration signal, an optical signal, an off-on or on-off switch signal.
3. The detonator delay time test system of claim 1, wherein the transmission interface is a cascade interface.
4. The detonator delay time test system of claim 3, wherein the transmission interface further comprises a communication interface.
5. The detonator delay time test system of claim 1, wherein when the transmission interface of the detonator outputs a preset data state, the light emitting tube is controlled to be in a light-off state; and after the detonator outputs a detonation instruction, the data state output by the transmission interface is inverted, and the light-emitting tube is controlled to be on to generate an optical signal.
6. The detonator delay time testing system of claim 1, wherein the initiator comprises: the digital electronic detonator comprises a power supply module, a communication module, a display module, a control module and a signal interface, wherein the power supply circuit comprises an analog/digital converter and a voltage converter, and the voltage converter is used for converting communication signals and facilitating the reception of the digital electronic detonator; the signal interface is provided with the transmission interface and a detonator interface; the transmission interface is connected with the light emitting tube; the detonator interface is connected with the electronic detonator, the power supply module is connected with the control module, the communication module is connected with the control module, and the display module is connected with the communication module and the control module.
7. A test method of detonator delay time is characterized by comprising the following steps:
step S1, initializing the transmission interface by the initiator, and setting the transmission interface to be in a data sending mode;
step S2, the transmission interface of the detonator outputs a preset data state to control the light-emitting tube to be in a light-off state;
step S3, setting the delay time of the electronic detonator by the initiator, so that the electronic detonator is in a to-be-excited state;
step S4, the detonator outputs a detonation instruction, after the detonator outputs the detonation instruction, the data state output by the transmission interface is inverted, the light of the light-emitting tube is controlled to be on, an optical signal is generated, the optical signal is received by the sensor and is sent to the delay time detector;
step S5, a target optical signal receiving sensor of the delay time detector receives an optical signal which is from the optical receiving sensor and is caused by the detonation of the electronic detonator, and the timing of the delay time detector is started; after the two-target explosion signal acquisition sensor of the delay time detector acquires the explosion signal of the sensor, the timer is stopped;
step S6, the initiator closes the output of the electronic detonator interface and cuts off the power supply of the electronic detonator;
and step S7, after finishing the detonation, displaying the delay time by a delay time detector.
8. The method for testing the delay time of the detonator of claim 7 wherein in the step S4, the explosion signal received by the sensor is a vibration signal or an optical signal.
9. The method for testing the delay time of the detonator according to claim 7, wherein when the transmission interface of the detonator outputs a preset data state, the light-emitting tube is controlled to be in a light-off state; and after the exploder outputs an explosion signal, the data state output by the transmission interface is inverted, the light of the light-emitting tube is controlled to be on, and an optical signal is generated.
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| CN201911339005.6A CN111272032B (en) | 2019-12-23 | System and method for testing delay time of detonator |
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| CN201911339005.6A CN111272032B (en) | 2019-12-23 | System and method for testing delay time of detonator |
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| CN112462414A (en) * | 2020-10-30 | 2021-03-09 | 苏交科集团股份有限公司 | Advanced forecasting method and control center for digital detonator |
| CN114894050A (en) * | 2022-05-16 | 2022-08-12 | 保融盛维(沈阳)科技有限公司 | Ignition delay detection device for electronic digital detonator |
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| CN112066828B (en) * | 2020-07-20 | 2022-11-18 | 湖北帅力化工有限公司 | Delay time measuring device for electric detonator |
| CN111895869A (en) * | 2020-08-11 | 2020-11-06 | 湖南兵器建华精密仪器有限公司 | Trigger function testing method and device, computer equipment and storage medium |
| CN111895869B (en) * | 2020-08-11 | 2022-07-29 | 湖南兵器建华精密仪器有限公司 | Trigger function testing method and device, computer equipment and storage medium |
| CN112462414A (en) * | 2020-10-30 | 2021-03-09 | 苏交科集团股份有限公司 | Advanced forecasting method and control center for digital detonator |
| CN114894050A (en) * | 2022-05-16 | 2022-08-12 | 保融盛维(沈阳)科技有限公司 | Ignition delay detection device for electronic digital detonator |
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