CN210664166U - Electronic ignition delay detonator - Google Patents
Electronic ignition delay detonator Download PDFInfo
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- CN210664166U CN210664166U CN201920825081.7U CN201920825081U CN210664166U CN 210664166 U CN210664166 U CN 210664166U CN 201920825081 U CN201920825081 U CN 201920825081U CN 210664166 U CN210664166 U CN 210664166U
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Abstract
The utility model provides an electronic ignition delay detonator, which comprises an electronic control module, an electric ignition powder head, a pyrotechnic delay body and a basic detonator; the electric ignition powder head is fixedly and electrically connected with an electronic control module with an electronic password control function and an electronic timing function to form an electronic ignition part; the electronic ignition part and the pyrotechnic delay body are packaged in the basic detonator shell, the electric ignition powder head is opposite to the open end of the pyrotechnic delay body, the electronic ignition part controls the electric ignition powder head to ignite after delaying, the pyrotechnic delay body is ignited, and the pyrotechnic delay body ignites the basic detonator after burning for a set time. The utility model discloses both had the management of industry digital electronic detonator and control function, convenient to use has the ignition reliability of traditional delay detonator again.
Description
Technical Field
The utility model relates to a civilian blasting equipment technical field, concretely relates to electron ignition delay detonator.
Background
Industrial detonators are widely used civil initiation devices, and under the requirements and promotion of policies related to industrial and informatization departments and public security departments, industrial electronic detonators, also called industrial digital electronic detonators, are widely and comprehensively popularized and used in China.
The industrial electronic detonator mainly combines electronic components through functions to form the industrial detonator which can meet the use requirements of engineering blasting, a special electronic control module is arranged in the industrial electronic detonator to control the ignition time point and the action time length of an ignition element in the detonator, the specific delay time length of the industrial detonator is realized, and the industrial electronic detonator has the characteristics of accurate time control and high control precision and can replace the traditional delay detonator taking a pyrotechnic composition delay body as a main delay element.
More importantly, each electronic detonator has a unique address code (UID code) and a password is written in through rules, so that the industrial electronic detonator has the management advantages under the high and new technical conditions that the whole life cycle can be tracked and controlled, relevant policies are established in China to comprehensively popularize and use the industrial electronic detonator, and the conventional industrial detonator is gradually and comprehensively replaced for engineering blasting.
However, since the detonator body is provided with these high-precision electronic devices and electronic circuits, the use process is strongly influenced by unavoidable and irresistible electromagnetic occasions, induced electric shock, detonation wave action and seismic wave extrusion, and explosion operation occasions such as small-section and small-operation-face foundation piles, small-tunnel excavation, hard mineral deposits, ore mining and the like, so that the leg wires connected to each detonator can introduce strong induced electricity to the electronic control module in the detonator body, and form electric shock to cause the electronic control module to fail in action, generate misfire or lose shots. The electronic module is impacted by huge force when the detonation wave generated by the explosive which is firstly exploded in the blast hole scans the detonator body through the stratum, the electronic module is deformed by the extrusion of the seismic wave, the electronic module is damaged by extrusion, and the circuit connection is interrupted, which can cause the dangerous conditions of misfire, artillery loss, accidental explosion and the like of the industrial electronic detonator in the actual blasting using process. The existence of the objective reasons directly influences the adaptability, the use safety and the reliability of the industrial electronic detonator, and effective measures are urgently needed to be taken for solving the problem.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides an electron ignition delay detonator not only has industry digital electron detonator management and control function, and convenient to use has the ignition reliability of traditional delay detonator again.
The utility model adopts the following technical scheme:
an electronic ignition delay detonator comprises an electronic control module, an electric ignition powder head, a pyrotechnic delay body and a basic detonator;
the electric ignition powder head is fixedly and electrically connected with an electronic control module with an electronic password control function and an electronic timing function to form an electronic ignition part; the electronic ignition part and the pyrotechnic delay body are packaged in the basic detonator shell, the electric ignition powder head is opposite to the open end of the pyrotechnic delay body, the electronic ignition part controls the electric ignition powder head to ignite after delaying, the pyrotechnic delay body is ignited, and the pyrotechnic delay body ignites the basic detonator after burning for a set time.
Furthermore, one networking system comprises more than two electronic ignition delay detonators, the electronic ignition pieces of all the electronic ignition delay detonators have the same delay time, and the set time of the pyrotechnic delay bodies of all the electronic ignition delay detonators at least comprises more than two moments.
Furthermore, the networking system comprises more than two electronic ignition delay detonators, the electronic ignition parts of all the electronic ignition delay detonators have different delay times, the pyrotechnic delay bodies of all the electronic ignition delay detonators have the same set time, and the maximum value of the delay time of the electronic ignition parts is not more than the set time of the pyrotechnic delay bodies.
Further, the outer part of the electronic ignition part is wrapped by plastic to form a cylindrical plastic column or the outer part of the electronic control module is wrapped by plastic to form a cylindrical plastic column; the plastic column fills the fit clearance between the electronic ignition part and the basic detonator shell.
Furthermore, the electronic ignition part and the open end of the shell of the pyrotechnic delay body are fixedly connected in a bayonet manner to form a bayonet seal, and the delay powder is filled at the bottom of the closed end of the shell of the pyrotechnic delay body.
Further, the initiating explosive of the basic detonator is perchloric acid carbohydrazide metal complex initiating explosive or perchlorate initiating explosive or crystalline tera or hexogen/potassium chlorate mixed initiating explosive or tera/potassium chlorate mixed initiating explosive or hexogen/potassium perchlorate mixed initiating explosive or tera/potassium perchlorate mixed initiating explosive.
Has the advantages that:
1. because the delay powder in the pyrotechnic delay body is ignited, the combustion process can not be stopped, the burning flame can transmit the combustion layer to the output end all the time to spray out the flame and burn the medicament, the process can not be damaged and influenced by the induced electricity, the static electricity, the detonation wave and the earthquake wave, the normal and reliable transmission of the combustion layer can be ensured, and the basic detonator has high ignition reliability The detonation waves and the seismic waves have strong resistance, the electronic detonator can be reliably applied to small-section tunneling, tunnels, foundation piles and high-hardness mine blasting, and the stability and the reliability of the industrial electronic detonator are further improved.
Secondly, the utility model discloses the delay time of setting for can be with the delay time of all electronic detonator in the network according to blasting network design requirement, every detonator set for a delay time value, the whole network forms a delay sequence.
2. The utility model firstly ensures that each detonator used is tracked and controlled by the management control system of the ministry of public security and can not be illegally used; secondly, because all the electronic detonators in the network are simultaneously triggered and output energy to ignite the explosive head and the delay powder, the delay time of each detonator is sequentially finished by the delay body, the differential blasting is realized, and the pyrotechnic delay body cannot cause the failure of the delay detonator due to the mutual interference among the electronic detonators caused by the induced electricity, detonation waves and seismic waves generated by the explosion of the explosive in the blast hole; meanwhile, the advantages of strong anti-interference capability and difficult misfire of the pyrotechnic delay body are utilized, each detonator in the same network can be possibly ignited and detonated, and the phenomena of misfire and misfire in the use process of the conventional electronic detonator can be eliminated.
3. The utility model firstly ensures that each detonator is tracked and controlled by the management control system of the ministry of public security and can not be illegally used, and utilizes the high-precision and accurate delay time control function of the electronic delay system to form an accurate delay sequence and realize differential blasting; secondly, because all the electronic detonators in the network are simultaneously triggered by the delay circuit, each electronic ignition piece in the network ignites the electric ignition powder head according to respective set time, and then ignites the delay powder in the delay body, the delay body starts to burn for delay according to different ignition time in sequence, and no interference is generated among the electronic detonators to cause misfire and cannon loss; moreover, after the delay body in each detonator receives the flame output by the electronic ignition element, the pyrotechnic delay body starts to burn and continues to maintain burning, no basic detonator explodes in a set time period, until the delay time of the last electronic ignition element in the network is over, the last pyrotechnic delay body is ignited by the output flame, at the moment, the first basic detonator can be ignited and detonated, the main explosive in the blast hole is detonated by the detonation wave, then all detonators connected in the network explode in sequence, at the moment, all detonators in the network are in the burning and igniting and detonating processes of the pyrotechnic delay body, so that the delay control system of the electronic ignition element avoids the strong interference generated by the induced electricity, the detonation wave and the seismic wave generated by the explosion of the detonators and the blast hole, and because the pyrotechnic delay body has strong capacity and is difficult to resist interference and misfire, each electronic detonator in the same network can be ignited and detonated possibly, thereby eliminating the phenomena of misfire and shot-missing in the use process of the prior electronic detonator.
4. The utility model discloses be the mode of cylindrical plastic column through the plastic envelope parcel on electron ignition surface, make electronic device and the electric ignition explosive head on the control module all by gluey post monolithic packaging together, had dampproofing, prevent flame, prevent electric spark, antistatic, resistant mechanical exogenic action's enhancement function, make electron ignition have better antistatic performance, resistant mechanical exogenic action, prevent flame and electric spark ignition.
5. The utility model discloses the priming powder charge of basic detonator has the characteristics that can not burn at the ordinary pressure and change the detonation, has ensured the safety in utilization.
6. The utility model discloses the medicament that electric ignition powder head adopted is insensitive ignition powder, can prevent to be aroused by accident or illegal and fire, has ensured the safety in utilization.
Drawings
Fig. 1 is a schematic overall structure diagram of a first embodiment of the present invention;
fig. 2 is a schematic overall structure diagram of a second embodiment of the present invention;
fig. 3 is a schematic overall structure diagram of a third embodiment of the present invention;
fig. 4 is a schematic overall structure diagram of a fourth embodiment of the present invention;
the detonator comprises a basic detonator shell, 2 transition charges, 3 initiation charges, 4 pyrotechnic delay elements, 5 delay charges, 6 electric ignition charge heads, 7 electronic ignition elements, 8 glue-sealed electronic ignition elements and 9 delay elements, wherein the delay elements and the electronic ignition elements are clamped and printed.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings by way of examples.
The first embodiment is as follows:
the embodiment provides an electronic ignition delay detonator, which comprises an electronic control module, an electric ignition powder head 6, a pyrotechnic delay body 4 and a basic detonator, as shown in fig. 1.
The electronic control module is an electronic module which is formed by components and parts which are jointly made of analog circuits or digital circuits or a mixture of the analog circuits and the digital circuits and have the functions of power supply, address code and password registers, communication and control and energy release, the electronic control module is fixedly and electrically connected with the electric ignition powder head 6 to form an electronic ignition part 7, and the outside of the electronic ignition part 7 is wrapped by plastic to form a cylindrical plastic column to form a glue-sealed electronic ignition part 8.
The electronic ignition part 7 has the address code storage function, the switch control code storage function, the timing and switch control function, the communication function with an initiator (or called an initiation controller), the function of storing charges by a capacitor for electrically igniting the ignition charge, the function of outputting flame by burning or deflagrating substances caused by electric heating, the electronic address of the electronic ignition part 7 can be confirmed, the initiation code of the electronic ignition part 7 can be analyzed, the delay time t1 of the electronic ignition part 7 is designed, and the electronic ignition part 7 outputs electric energy to ignite the electric ignition charge head 6 to generate flame according to the delay time t 1.
The method is characterized in that a pyrotechnic delay body 4 is pressed into an inner cavity of a basic detonator, a delay powder 5 of the pyrotechnic delay body 4 is made to be in contact with a fire transfer hole of the basic detonator, a glue-sealed electronic ignition part 8 (containing a leg wire) is inserted into the inner cavity of the basic detonator from an opening end of the basic detonator, and the glue-sealed electronic ignition part 8 is fixed at an opening part of the basic detonator, namely, a plastic plug on the glue-sealed electronic ignition part 8 and the opening part of a shell 1 of the basic detonator are deformed together in a bayonet mode to form a clamping seal smaller than the outer diameter of the basic detonator, so that the glue-sealed electronic ignition part 8 and the basic detonator are combined together in a watertight manner. The electronic ignition part 7 is filled in a fit clearance in the shell 1 of the basic detonator by the plastic column, the electric ignition powder head 6 is opposite to the open end of the pyrotechnic delay body 4, the electronic ignition part 7 controls the electric ignition powder head 6 to ignite after delay time t1, the pyrotechnic delay body 4 is ignited, the basic detonator is ignited after the pyrotechnic delay body 4 burns for delay time t2, and the delay time t2 is the set time of the pyrotechnic delay body 4.
The agent for the electric ignition powder head 6 is prepared by mechanical mixing method of potassium picrate and potassium perchlorate or chemical coprecipitation method of potassium picrate and potassium perchlorate or is prepared by trinitroresorcin lead or lead thiocyanate/potassium chlorate or dinitrodiazophenol/potassium chlorate/charcoal.
The pyrotechnic delay element 4 is a mixed pyrotechnic agent which is made up by using combustible agent and oxidant as main components, adding regulator and adhesive and can be controlled to burn, and is made up by using these agents as main components, pressing them into metal tube under the action of pressure to form compact delay element or placing them into soft metal tube, drawing to form delay rope using delay agent 5 as core, cutting and shortening them into delay element, embedding the drawn delay element into metal tube to form high-accuracy delay element, or filling the delay agent 5 into single-core or multi-core metal tube, drawing to form single-core or multi-core delay element, making it form charge structure with slow combustion function, and under the action of flame produced by electric ignition agent head 6 making the delay agent 5 in the metal tube burn, and in the first embodiment, the multi-core delay element is used. The combustion process of the pyrotechnic delay body 4 is propagated according to stratified combustion, then the combustion flame is output from the other end of the charge structure, the initiating charge 3 of the basic detonator is ignited, the time from the ignition end to the output end for ejecting the flame is delay time t2, the length of t2 can be changed by controlling the length of the delay body, or the fixed length can be changed by adjusting the formula of the delay charge 5. The pyrotechnic delay body 4 determines the time required by the combustion wave to pass through a layer of explosive column with the length according to the combustion speed of the pyrotechnic delay powder, so that the control function of the combustion time is realized, and the aim of controlling the basic detonator to explode according to the set time is fulfilled.
The delay agent 5 used in the pyrotechnic delay element 4 is a pyrotechnic composition mainly composed of a combustible agent and an oxidant, the combustible agent is non-metal powder such as boron, silicon iron, selenium and the like, or metal powder such as aluminum, magnesium, copper, titanium, zirconium, molybdenum, tungsten and the like, and the oxidant is oxygen-containing compound such as lead oxide, lead dioxide, lead tetraoxide, copper oxide, molybdenum oxide, zirconium oxide, iron sesquioxide, barium chromate, lead chromate, potassium perchlorate and the like. The mixed medicament with different burning speeds is formed by the combination of the combustible agent and the oxidant with different varieties, different proportions, different materials and different particle sizes, and the medicament is called a pyrotechnic delay medicament. According to the combination of different detonator delay embedding lists, selection and use, delay charge columns with different lengths are assembled to realize different delay time t2 control.
The basic detonator comprises a basic detonator shell 1, a transitional charge 2, a detonating charge 3 and a high explosive, wherein the high explosive, the transitional charge 2 and the detonating charge 3 are sequentially filled into the closed end of the inside of the basic detonator shell 1 from bottom to top, and the basic detonator is formed after the reinforcing cap is pressed. The initiating explosive 3 is perchloric acid carbohydrazide metal complex initiating explosive or perchlorate initiating explosive or crystalline tera or hexogen/potassium chlorate mixed initiating explosive or tera/potassium chlorate mixed initiating explosive or hexogen/potassium perchlorate mixed initiating explosive or tera/potassium perchlorate mixed initiating explosive, and the initiating explosive 3 has the characteristic of being incapable of burning to detonation at normal pressure and has special use safety.
A networking system comprises more than two electronic ignition delay detonators, delay time t1 of electronic ignition pieces 7 of all the electronic ignition delay detonators is set to be the same value, the simplest method is to set the delay time t1 to be any one same fixed value such as 0 or 5, delay time t2 of a pyrotechnic delay body 4 is a delay time sequence value specified according to a standard, delay time t2 of the pyrotechnic delay body 4 of all the electronic ignition delay detonators at least comprises more than two moments, each detonator can have different delay time t2 to form a delay time sequence, all the electronic ignition delay detonators can be divided into a plurality of groups, each group has different delay time t2, and delay time t2 of the electronic ignition delay detonators in each group can be set to be the same moment. When all electronic ignition delay detonators in the network are used, a 'detonation' instruction can be received only after a detonation password is legally obtained (otherwise, the detonation instruction cannot be obtained) according to the related management regulations and requirements of the public security department and the industry and the letter department, then the electric ignition explosive heads 6 are all ignited at the same time, the pyrotechnic delay bodies 4 in each detonator are all ignited at the same time, the delay explosive 5 starts to burn, and after the delay explosive 5 in the pyrotechnic delay bodies 4 is burnt, flame is sprayed from the output end to cause the basic detonator to explode, detonation waves are output, and explosives in blast holes are detonated. Each detonator in the whole network is detonated in sequence according to preset delay time, and differential blasting is realized.
Or, the delay time t1 of the electronic ignition part 7 is different, and is set to different delay time values required by an explosion scheme according to requirements to form an accurate delay sequence, the delay time t2 of the pyrotechnic delay body 4 is consistent, and meanwhile, when the maximum time of the delay time t1 of the electronic ignition part 7 is not more than the delay time t2 of the pyrotechnic delay body 4, the set value of t2 can be in the millisecond level to the second level, and can be arbitrarily set between 0 millisecond and 10000, and is generally set to common time nominal values such as 5ms, 50ms, 500ms, 1000ms, 1500ms, 2000ms, and the like, but is not limited to these values in actual use. When all electronic ignition delay detonators in the network are used in a blasting process, a 'detonation' instruction can be received only after a detonation password is legally obtained (otherwise, a detonation instruction cannot be obtained) according to the relevant management regulations and requirements of the public security department and the industry and communication department, all the electronic detonators in the network are simultaneously excited to start working, then each electronic detonator generates electric energy and sequentially outputs the electric ignition explosive head 6 according to the delay time t1 set in the electronic ignition part 7, the time for each electronic detonator in the network to ignite the electric ignition explosive head 6 is different, the flame generated by the electric ignition explosive head 6 ignites the pyrotechnic delay bodies 4 and the delay agents 5 in the basic detonator to start burning, and the flame and the detonation basic detonator are output after the delay agents 5 in each detonator are burnt for the same set time.
When the electronic ignition delay detonators are used, the same use mode as the industrial digital electronic detonators is used, each industrial digital electronic ignition delay detonator is connected to a blasting network bus in parallel, the address of each detonator is read according to a program, the delay time of each detonator is set, but the set maximum delay time is smaller than the nominal value of the delay time, so that when the first firework delay element is burnt out to output flame to ignite the basic detonator, the electronic delay process of the last industrial digital electronic ignition delay detonator is finished, the electric energy is output to ignite the ignition charge head, and the flame is output to ignite the filled firework delay element.
Example two:
as shown in fig. 2, the electronic control module is fixedly and electrically connected with the electric ignition powder head 6 to form an electronic ignition part 7, and the outside of the electronic ignition part is not wrapped by plastic. The pyrotechnic delay element 4 of the second embodiment is a single-core delay element. Other structures and uses are consistent with the embodiments.
Example three:
as shown in fig. 3, the exterior of the electronic control module is wrapped by plastic to form a cylindrical plastic column, and the plastic column fills up the fit clearance between the electronic ignition part 7 and the basic detonator shell 1. The delay powder 5 is filled at the bottom of the closed end of the shell of the pyrotechnic delay body 4, and the delay powder 5 is opposite to the electric ignition powder head 6. Other structures and uses are consistent with the embodiments. The structure of the third embodiment is simple to assemble.
Example four:
as shown in fig. 4, the electronic control module is fixedly and electrically connected with the electric ignition powder head 6 to form an electronic ignition part 7, plastic is not wrapped outside, the electronic ignition part 7 is fixedly connected with the opening end of the shell of the pyrotechnic delay body 4 in a bayonet manner to form a delay body with two concave ends and a convex middle part and an electronic ignition part clamping seal 9, the delay powder 5 is filled at the bottom of the closed end of the shell of the pyrotechnic delay body 4, and the delay powder 5 is opposite to the electric ignition powder head 6. Other structures and uses are consistent with the embodiments. The structure of the fourth example has better sealing properties than the third example.
In summary, the above is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. An electronic ignition delay detonator is characterized by comprising an electronic control module, an electric ignition powder head, a pyrotechnic delay body and a basic detonator;
the electric ignition powder head is fixedly and electrically connected with an electronic control module with an electronic password control function and an electronic timing function to form an electronic ignition part; the electronic ignition part and the pyrotechnic delay body are packaged in the basic detonator shell, the electric ignition powder head is opposite to the open end of the pyrotechnic delay body, the electronic ignition part controls the electric ignition powder head to ignite after delaying, the pyrotechnic delay body is ignited, and the pyrotechnic delay body ignites the basic detonator after burning for a set time.
2. The electronic ignition delay detonator of claim 1, wherein a networking system comprises more than two electronic ignition delay detonators, the electronic ignition pieces of all the electronic ignition delay detonators have the same delay time, and the set time of the pyrotechnic delay bodies of all the electronic ignition delay detonators at least comprises more than two moments.
3. The electronic ignition delay detonator of claim 1 wherein one networking system comprises more than two electronic ignition delay detonators, the electronic ignition elements of all the electronic ignition delay detonators have different delay times, the pyrotechnic delay bodies of all the electronic ignition delay detonators have the same set time, and the maximum value of the delay time of the electronic ignition elements is not more than the set time of the pyrotechnic delay bodies.
4. The electronic ignition delay detonator of claim 1 wherein the electronic ignition part is externally wrapped with a plastic to form a cylindrical plastic column or the electronic control module is externally wrapped with a plastic to form a cylindrical plastic column; the plastic column fills the fit clearance between the electronic ignition part and the basic detonator shell.
5. The electronic ignition delay detonator of claim 1, wherein the electronic ignition part is fixedly connected with the open end of the shell of the pyrotechnic delay body in a bayonet manner to form a card seal, and the delay powder is filled at the bottom of the closed end of the shell of the pyrotechnic delay body.
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| CN201920825081.7U CN210664166U (en) | 2019-06-03 | 2019-06-03 | Electronic ignition delay detonator |
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| CN201920825081.7U CN210664166U (en) | 2019-06-03 | 2019-06-03 | Electronic ignition delay detonator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110186330A (en) * | 2019-06-03 | 2019-08-30 | 广西金建华民用爆破器材有限公司 | A kind of electronic ignition delay detonator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110186330A (en) * | 2019-06-03 | 2019-08-30 | 广西金建华民用爆破器材有限公司 | A kind of electronic ignition delay detonator |
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