CN104880132B - The production method of electric detonator and obtained electric detonator - Google Patents
The production method of electric detonator and obtained electric detonator Download PDFInfo
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- CN104880132B CN104880132B CN201410055155.5A CN201410055155A CN104880132B CN 104880132 B CN104880132 B CN 104880132B CN 201410055155 A CN201410055155 A CN 201410055155A CN 104880132 B CN104880132 B CN 104880132B
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Abstract
The present invention provides a kind of production method of electric detonator, the electric detonator includes detonator plug, electronic control module, part of igniting, detonator fire tube and detonator wire, especially, detonator wire includes the short payment to a porter of detonator and payment to a porter extended line, the short payment to a porter of detonator is integrated with detonator plug injection, and the production method comprises the following steps：The first step：Electrical connecting step, the first end of electronic control module is electrically connected with the first end of the short payment to a porter of detonator, the second end of electronic control module is electrically connected with part of igniting, form ignition control piece；Second step：Medicine step is put, quantitative ignition powder is clicked and entered in the part of igniting into ignition control piece, forms electronic igniting element；3rd step：Payment to a porter extends step, and the second end of the short payment to a porter of detonator is electrically connected with payment to a porter extended line；And installation step, electronic igniting element and detonator fire tube are assembled.Such scheme, automation electrical connection and the point medicine of detonator production process are advantageously implemented, improve the production efficiency of electric detonator.
Description
Technical field
The present invention relates to priming system manufacturing technology field, more particularly to a kind of production method of electric detonator and use should
Electric detonator made from method.
Background technology
In existing electric detonator production technology, after generally will first ignite part and electronic control module welding, to part of igniting
Midpoint enters ignition powder, then the pipe close and firing circuit plate weld that will be connected with longer payment to a porter, is finally carried out again with detonator fire tube
Assembling.2m or longer payment to a porter, therefore the welding of pipe close and electronic control module are generally connected with the production technology, on pipe close
Process usually requires manually to complete, thus has a strong impact on the production efficiency of detonator product.Moreover, in above-mentioned technique, Xiang Yin
Welded again after point medicine is completed in fiery part, higher temperature easily ignites ignition powder in welding process, so as to cause to produce
Potential safety hazard.
The content of the invention
It is an object of the invention to solve the defects of above-mentioned prior art, there is provided a kind of production method of electric detonator and
Using electric detonator made from this method, while improving electric detonator production efficiency, it is advantageously ensured that the safety of production process
Property.
A kind of production method of electric detonator provided by the present invention, the electric detonator include detonator plug, Electronic Control mould
Block, part of igniting, detonator fire tube and detonator wire, especially, detonator wire include the short payment to a porter of detonator and payment to a porter extended line, thunder
Manage short payment to a porter to be integrated with detonator plug injection, the production method comprises the following steps：
The first step：Electrical connecting step, the first end of electronic control module is electrically connected with the first end of the short payment to a porter of detonator, will
Second end of electronic control module electrically connects with part of igniting, and forms ignition control piece；
Second step：Medicine step is put, quantitative ignition powder is clicked and entered in the part of igniting into ignition control piece, electronics is formed and draws
Fiery element；
3rd step：Payment to a porter extends step, and the second end of the short payment to a porter of detonator is electrically connected with payment to a porter extended line；And assembling step
Suddenly, electronic igniting element and detonator fire tube are assembled.
In such scheme, detonator wire includes the short payment to a porter of detonator and payment to a porter extended line, in first step electrical connecting step and
In two beans-and bullets shooter medicine steps, the short payment to a porter of detonator is only connected with detonator plug all the time, extends in the payment to a porter of the 3rd step in step and just will
Payment to a porter extended line electrically connects with the short payment to a porter of detonator.In this manner, the short payment to a porter of detonator is connected on detonator plug in electrical connecting step,
It is convenient that the termination process that is electrically connected of electronic control module and ignite part and detonator plug is uniformly processed, avoid pipe close be connected with it is longer
The inconvenience of electrical connection operation during payment to a porter, is advantageously implemented automation electrical connection, improves the production efficiency of electric detonator.In a medicine
The short payment to a porter of detonator is connected in step on detonator plug, it is convenient to fix the ignition control piece formed in electrical connecting step unification,
The automation point medicine of detonator production process is advantageously implemented, thus is also beneficial to improve the production efficiency of electric detonator.In addition,
Point medicine step is performed after electrical connecting step, compared with the mode that medicine completion in prior art midpoint is welded again, avoids electricity
The possibility of unintended detonation fire element in connection procedure, improve the production security of electric detonator.
Payment to a porter in the step of the program the 3rd, which extends step and the execution sequence of installation step, to be interchangeable, and do not influence electronics
The production of detonator product.Payment to a porter extends in step, and the short payment to a porter of shorter detonator connected on detonator plug is extended so that
The length of detonator wire meets the needs of engineer applied.In installation step, shape in detonator fire tube and the second beans-and bullets shooter medicine step is completed
Into electronic igniting element assembling.
Present invention also offers one kind to use electric detonator made from aforementioned production method, can realize the base of electric detonator
This function, and detonator wire length meets the needs of engineer applied.
Brief description of the drawings
Fig. 1 is a kind of flow sheet of electric detonator in the present invention；
Fig. 2 is another flow sheet of electric detonator in the present invention；
Fig. 3 is the schematic diagram using electric detonator made from the production method of the present invention；
Fig. 4 is the composition schematic diagram of electric detonator shown in Fig. 3；
Fig. 5 is the composition schematic diagram of detonator wire in the present invention；
Fig. 6 is the schematic diagram of electrical connecting step in production method of the present invention；
Fig. 7 is the structural representation of the ignition control piece formed in the present invention after electrical connecting step；
Fig. 8 is the schematic diagram that payment to a porter extends step in the present invention；
The electrical joint of the short payment to a porter of detonator and payment to a porter extended line is is carried out thunder after injection encapsulation process by Fig. 9 in the present invention
The schematic diagram of pin line；
Figure 10 is that the electrical joint of the short payment to a porter of detonator and payment to a porter extended line is packaged into body encapsulation process in the present invention
Schematic diagram；
Figure 11 is to carry out the electrical joint of the short payment to a porter of detonator and payment to a porter extended line at insulating sleeve sealing in the present invention
The schematic diagram of detonator wire after reason；
Figure 12 is that the corresponding site of ignition control piece is packaged into processing after-fire by the way of injection in the present invention
The structural representation of control piece；
Figure 13 is the schematic diagram for being packaged processing in the present invention to the corresponding site of ignition control piece using package assembling.
Embodiment
Technical scheme is described in further details with reference to the accompanying drawings and detailed description.
The present invention provides a kind of production method of electric detonator 10 as shown in Figure 3, and referring to Fig. 1, the electric detonator 10 wraps
Containing detonator plug 20, electronic control module 30, part 40 of igniting, detonator fire tube 50 and detonator wire 60, referring to Fig. 4, especially
It is that detonator wire 60 includes the short payment to a porter 61 of detonator and payment to a porter extended line 62, the short payment to a porter 61 of detonator is molded into one with detonator plug 20
Body, referring to Fig. 5, the production method comprises the following steps：
The first step：Electrical connecting step, by the first end 31 of electronic control module 30 and the first end 81 of the short payment to a porter 61 of detonator
Electrical connection, the second end 32 of electronic control module 30 is electrically connected with part 40 of igniting, referring to Fig. 6, forms ignition as shown in Figure 7
Control piece 70；
Second step：Medicine step is put, quantitative ignition powder is clicked and entered in the part 40 of igniting into ignition control piece 70, forms electricity
Sub- fire element；
3rd step：Payment to a porter extends step, and the second end 82 of the short payment to a porter 61 of detonator is electrically connected with payment to a porter extended line 62, referring to
Fig. 8；
4th step：Installation step, electronic igniting element and detonator fire tube 50 are assembled, referring to Fig. 4, formed as shown in Figure 3
Electric detonator.
In such scheme, detonator wire 60 includes the short payment to a porter 61 of detonator and payment to a porter extended line 62, electrically connects and walks in the first step
In rapid and the second beans-and bullets shooter medicine step, the short payment to a porter 61 of detonator is only connected with detonator plug 20 all the time, extends in the 3rd step payment to a porter and walks
Side electrically connects the payment to a porter 61 short with detonator of payment to a porter extended line 62 in rapid.In this manner, in electrical connecting step on detonator plug 20
The short payment to a porter 61 of detonator is only connected, thus conveniently by the termination process that is electrically connected of electronic control module 30 and ignite part 40 and detonator plug 20
It is uniformly processed, avoids the inconvenience of electrical connection operation when detonator plug 20 is connected with longer payment to a porter, be advantageously implemented automation
Electrical connection, improve the production efficiency of electric detonator 10.The short payment to a porter 61 of detonator is connected on detonator plug 20 in a medicine step, it is convenient
By the unified fixation of the ignition control piece 70 with the short payment to a porter 61 of detonator formed in electrical connecting step, detonator life is advantageously implemented
The automation point medicine of production process, thus it is also beneficial to improve the production efficiency of electric detonator 10.In addition, after electrical connecting step
Point medicine step is performed, compared with the mode that medicine completion in prior art midpoint is welded again, is avoided unexpected during electrically connecting
The possibility of fire element is ignited, improves the production security of electric detonator 10.
After completing point medicine step, when performing the 3rd step payment to a porter and extending step, the shorter thunder that will be connected on detonator plug 20
Manage short payment to a porter 61 to be extended so that the length of detonator wire 60 meets the needs of engineer applied.Installation step is finally performed, it is complete
Into the assembling of detonator fire tube 50 and electronic igniting element, electric detonator 10 as shown in Figure 3 is formed.
Above-mentioned 3rd step payment to a porter extends step and the execution sequence of the 4th step installation step is interchangeable, that is to say, that uses
The production of the product of electric detonator 10 can be achieved in production method shown in Fig. 1 or Fig. 2.In view of having been added in detonator fire tube 50
Explosive, perform after the 3rd step payment to a porter extends step and performed the 4th step installation step again, be more beneficial for improving production process
Security, now refer to the production method shown in Fig. 1 and perform.In view of the simplicity of electric detonator stock, assembling has been performed
After step, payment to a porter extension step is performed further according to requirement of the engineer applied to payment to a porter length before shipment, electronics thunder can be simplified
The stock of pipe, unitized management is more beneficial for, now refers to the production method shown in Fig. 2 and perform.
In aforementioned production method, the optional acquirements of length d of the short payment to a porter 61 of detonator connected on detonator plug 20 are not more than
50cm, it is shown in Figure 8.The selection of the short length of payment to a porter 61 of detonator facilitates detonator plug 20 and Electronic Control in electrical connecting step
The automation electrical connection of module 30, while be also convenient for fixing ignition control piece 70 in a medicine step, and be also convenient for payment to a porter and prolong
The extension operation of payment to a porter in long step, while detonator assembling is also allowed for, therefore, the length d of the short payment to a porter 61 of detonator is elected as less
In 50cm, the automated production of electric detonator 10 is advantageously implemented.Preferably, the length d of the short payment to a porter 61 of detonator can also be chosen
20cm must be not more than, so as to more facilitate electrical connecting step in electric detonator production process, point medicine step, payment to a porter extend step and
The progress of installation step, therefore it is more beneficial for the automated production of electric detonator.Meeting electric detonator automated production requirement
On the premise of, the length of the short payment to a porter 61 of detonator obtain it is the smaller the better, with automation equipment during simplifying automated production to thunder
The requirement of pin line length.
Extend in the payment to a porter of the 3rd step in step, the second end 82 of the short payment to a porter 61 of detonator is electrically connected with payment to a porter extended line 62
Method be chosen as welding or copper strips riveted, with cause extend after detonator wire 60 possess preferable tensile property, meet work
To the requirement of detonator tensile property in journey application process.When being electrically connected using the method for welding or copper strips riveted, Neng Goushi
Existing reliable electrical connection between the short payment to a porter 61 of detonator and payment to a porter extended line 62, be advantageous to improve the tensile property of detonator wire 60.
Further, the second end by the short payment to a porter 61 of detonator is chosen as butt-joint with the method that payment to a porter extended line 62 electrically connects.
The tensile property of detonator wire 60 after raising electrically connects is more beneficial for when electrical connection is realized by the way of butt-joint.In addition, using
The mode of butt-joint realizes electrical connection, and welding quality is more stable, and is easily achieved Automation of Welding, so as to be also beneficial to improve life
Produce efficiency.
In aforementioned production method, after payment to a porter extends step, it may also include the short payment to a porter 61 of detonator and payment to a porter extended line
62 electrical joint carries out the step of encapsulation process so that the short payment to a porter 61 of detonator and payment to a porter extended line 62 are integrally formed.So
Mode, the electrical joint of the short payment to a porter 61 of detonator and payment to a porter extended line 62 is sealed, be advantageous to improve the waterproof of detonator wire 60
Performance so that electric detonator 10 meets requirement of the electric detonator to water resistance during engineer applied.
The mode that the electrical joint of the short payment to a porter 61 of detonator and payment to a porter extended line 62 is carried out to encapsulation process is chosen as being molded
Sealing, packaging body sealing or insulating sleeve sealing.
Encapsulation process is carried out according to the mode of injection sealing, electrical joint can be completely enclosed within to injection base material 83
In, referring to Fig. 9 so that electrical joint is isolated with external environment completely, thus is advantageous to improve the water resistance of detonator wire,
It can be applied in wet environment.During injection, the material for being molded base material is optional that short with detonator payment to a porter 61 and payment to a porter extend
The material of the insulating barrier of line 62 is identical, convenient reliably to wrap up the electrical joint of the short payment to a porter 61 of detonator and payment to a porter extended line 62,
So as to be more beneficial for sealing electrical joint, the water resistance of detonator wire 60 after electrical connection can be further improved.
Encapsulation process is carried out according to the mode of packaging body sealing, the packaging body can include the component of first assembly 84 and second
85, referring to Figure 10, the component 85 of first assembly 84 and second is fitted close, and forms a confined space, the short payment to a porter 61 of detonator and payment to a porter
The electrical joint of extended line 62 will be closed in confined space.In encapsulation process, the short payment to a porter 61 of detonator and payment to a porter can be extended
The electrical joint of line 62 is placed in first assembly 84, then the second component 85 is fastened with first assembly 84 so that the short pin of detonator
Line 61 and payment to a porter extended line 62 are fitted close close to the insulating barrier of electrical joint with the component 85 of first assembly 84 and second, are formed
Above-mentioned confined space, electrical joint is closed in the confined space, can equally improve the water proofing property of wire after electrical connection
Energy.Above-mentioned packaging body can also be presented as other forms, such as can include four components, as long as the combination of these components can incite somebody to action
The electrical joint of the short payment to a porter 61 of detonator and payment to a porter extended line 62 is closed in confined space, it is possible to increase the waterproof of detonator wire
Performance.
Encapsulation process is carried out according to the mode of insulating sleeve sealing, referring to Figure 11, insulating sleeve 86 can be set in thunder
Manage the electrical joint of short payment to a porter 61 and payment to a porter extended line 62, both ends short with the detonator payment to a porter 61 and payment to a porter respectively of insulating sleeve 86
The insulating barrier of extended line 62 passes through metal parts clamping so that above-mentioned electrical joint is in a confined space, equally can
Improve the water resistance of detonator wire.
It is by the way of packaging body sealing or close using insulating sleeve further to improve the water resistance of detonator wire 60
When the mode of envelope seals to the electrical joint of the short payment to a porter of detonator 61 and payment to a porter extended line 62, packaging body may additionally include
The step of thick insulating materials is filled in internal or insulating sleeve inside.The thick insulating materials be chosen as epoxy resin or
Other similar insulating materials.
To improve the tensile property and water resistance of detonator wire 60, to the short payment to a porter of detonator 61 by the way of injection seals
Before being sealed with the electrical joint of payment to a porter extended line 62, the exhausted of the short payment to a porter 61 of detonator and payment to a porter extended line 62 may additionally include
The step of edge layer set metal part 91 and metal parts 92, as shown in figure 8, metal parts 91 and metal parts 92 respectively with thunder
Manage the insulating barrier clamping of the insulating barrier and payment to a porter extended line 62 of short payment to a porter 61.If insulation of the base material directly with detonator wire will be molded
Layer injection, being molded may be close so as to influence due to producing gap with reference to defective tightness between base material and the insulating barrier of wire
The water resistance for detonator wire of being honored as a queen.The mode being directly molded compared to injection base material with the insulating barrier of detonator wire, in the program
Be molded base material more reliably can coordinate with metal parts, avoid producing gap between injection base material and metal parts, so as to
Advantageously in improve be molded after the completion of detonator wire water resistance.In addition, in the program, it is molded base material and metal parts is tight
The insulating barrier of close fit, metal parts and detonator wire is fitted close, and is equally beneficial for detonator wire after the completion of raising is molded
Tensile property.
The electrical joint of the short payment to a porter of detonator 61 and payment to a porter extended line 62 is sealed by the way of packaging body sealing
Before, it also is included in the short payment to a porter 61 of detonator and the insulating barrier set metal part 91 of payment to a porter extended line 62 and the step of metal parts 92
Suddenly, as shown in Figure 10.Detonator wire after being sealed using such a mode by the external world pulling force effect when, metal parts effectively limits
Packaging body has been made to be subjected to displacement under external force, thus the program is advantageous to the tensile property of detonator wire after raising sealing.
In the production method of electric detonator 10 of the present invention, after electrical connecting step, before point medicine step, envelope may also include
Step is filled, by the electrical connection section of the electrical joint of the part 40 of igniting shown in Fig. 6 or Fig. 7, the first end 81 of the short payment to a porter 61 of detonator
Position and the outer surface of electronic control module 30 are packaged, shown in Figure 12.By encapsulation, can to each electrical joint and
Electronic component on electronic control module 30 plays protection and fixed effect, is advantageous to prevent the vibration in the external world, moisture, ash
The disturbing factor such as dirt and electrostatic impacts to the performance of electric detonator 10, is advantageous to improve the waterproof of electric detonator 10, prevents
Electrostatic and resistance to shock.
Electrical joint, the first end and electronic control module 30 of the short payment to a porter 61 of detonator in such scheme to part 40 of igniting
The mode that is packaged of outer surface be chosen as low-pressure injection molding.During low-pressure injection molding, the electronics on electronic control module 30
The pressure that component is born is smaller, thus such a mode is able to ensure that the integrity in production process；And low-pressure injection molding process
In, encapsulation base material is injected in mould and rapid curing using the injection pressure can of very little, thus such scheme not only pole
Percent defective is reduced in big degree, and is also beneficial to improve the production efficiency of ignition control piece 70, and then is advantageous to improve electricity
The production efficiency of sub- detonator 10.
The first end of the short payment to a porter 61 of electrical joint, detonator by the way of low-pressure injection molding to part 40 of igniting and electronics control
When the outer surface of molding block 30 is packaged processing, two pairs of instrument connections, such as Figure 12 can be distributed with the packaging body that is formed after encapsulation
Shown, first pair of instrument connection 71 leads to the electrical joint of electronic control module and the short payment to a porter 61 of detonator, realizes to Electronic Control
The detection of module properties, second pair of instrument connection 72 lead to the electrical joint of electronic control module and part 40 of igniting, and realize
Detection to bridge wire resistance, and then it is advantageously ensured that the integrity and reliability of ignition control piece 70.
In addition to above-mentioned implementation, can also use as shown in fig. 13 that package assembling to the electrical joint of part 40 of igniting,
The first end of the short payment to a porter 61 of detonator and the outer surface of electronic control module 30 are packaged processing, the package assembling bag shown in Figure 13
Containing the first package assembling 73 and the second package assembling 74, in encapsulation process, by the first package assembling 73 and the second package assembling
74 corresponding site respectively with ignition control piece 70 fastens.Such a mode is equally beneficial for improving the anti-of electric detonator 10
Water, antistatic and resistance to shock.
In the production method of electric detonator provided by the present invention, in first step electrical connecting step, by electronic control module
First end be chosen as grafting or welding with the method that the first end of the short payment to a porter of detonator electrically connects, as long as being able to ensure that therebetween
Reliable electrical connection.
Present invention also offers one kind to use electric detonator 10 made from aforementioned production method, as shown in figure 3, electric detonator
10 detonator wire includes the short payment to a porter of detonator and payment to a porter extended line.In existing detonator production technique, generally connect on detonator plug
Longer detonator wire is connected to, tediously long payment to a porter is that the electrical connection operation during detonator production brings inconvenience, hinders electricity
The automated production of sub- detonator, it is unfavorable for improving the production efficiency of electric detonator.In the present invention, the short payment to a porter of detonator and detonator plug
Injection is integrated, and when electrical connection operation and point medicine operation are performed in electric detonator production process, can only be connected on detonator plug
There is the short payment to a porter of detonator, extended after electrical connection operation and point medicine operation is completed, then by the short payment to a porter of detonator, make the short payment to a porter of detonator
Electrically connected with payment to a porter extended line.Such a mode solves the production that tediously long detonator wire is detonator and causes asking for inconvenience
Topic, automation electrical connection operation and point medicine operation during detonator production are facilitated, is advantageously implemented the automatic of electric detonator
Metaplasia is produced, and improves the production efficiency of electric detonator.
Claims (11)
1. a kind of production method of electric detonator, the electric detonator includes detonator plug, electronic control module, part of igniting, thunder
Pipe fire tube and detonator wire, it is characterised in that：
The detonator wire includes the short payment to a porter of detonator and payment to a porter extended line, and the short payment to a porter of detonator is molded into the detonator plug
One,
The production method comprises the following steps：
The first step：Electrical connecting step, the first end of the electronic control module and the first end of the short payment to a porter of the detonator are electrically connected
Connect, the second end of the electronic control module is electrically connected with the part of igniting, form ignition control piece；
Second step：Medicine step is put, quantitative ignition powder is clicked and entered in part of being ignited described in into the ignition control piece, forms electricity
Sub- fire element；
3rd step：Payment to a porter extends step, and the second end of the short payment to a porter of the detonator is electrically connected with the payment to a porter extended line；And dress
With step, the electronic igniting element and the detonator fire tube are assembled.
2. according to the production method described in claim 1, it is characterised in that：
The length of the short payment to a porter of detonator is no more than 50cm.
3. according to the production method described in claim 1, it is characterised in that：
The length of the short payment to a porter of detonator is no more than 20cm.
4. according to the production method described in claim 1,2 or 3, it is characterised in that：
The payment to a porter extends in step, is with the method that the payment to a porter extended line electrically connects by the second end of the short payment to a porter of the detonator
Welding or copper strips riveted.
5. according to the production method described in claim 4, it is characterised in that：
The payment to a porter extends in step, is with the method that the payment to a porter extended line electrically connects by the second end of the short payment to a porter of the detonator
Butt-joint.
6. according to the production method described in claim 1,2,3 or 5, it is characterised in that：
After the payment to a porter extends step, in addition to by the short payment to a porter of the detonator and the electrical joint of the payment to a porter extended line
The step of carrying out encapsulation process so that the short payment to a porter of detonator and the payment to a porter extended line are integrally formed.
7. according to the production method described in claim 6, it is characterised in that：
After the payment to a porter extends step, the electrical joint of the short payment to a porter of the detonator and the payment to a porter extended line is carried out close
The mode of envelope processing is injection sealing, packaging body sealing or insulating sleeve sealing.
8. according to the production method described in claim 7, it is characterised in that：
Using the packaging body sealing by the way of or the insulating sleeve sealing mode to the short payment to a porter of the detonator and the pin
When the electrical joint of line extended line is sealed, be additionally included in the packaging body inside or the insulating sleeve it is interior
Fill the step of thick insulating materials in portion.
9. according to the production method described in claim 1,2,3,5,7 or 8, it is characterised in that：
After the electrical connecting step, before described medicine step, in addition to encapsulation step, by the electrical connection of the part of igniting
The outer surface at position, the first end of the short payment to a porter of the detonator and the electronic control module is packaged.
10. according to the production method described in claim 9, it is characterised in that：
In the encapsulation step, the first end of electrical joint, the short payment to a porter of the detonator to the part of igniting and the electronics
The mode that the outer surface of control module is packaged is low-pressure injection molding.
A kind of 11. electric detonator, it is characterised in that：
The electric detonator uses the production method in claim 1~10 described in any one to be made.
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| CN201410055155.5A CN104880132B (en) | 2014-02-18 | 2014-02-18 | The production method of electric detonator and obtained electric detonator |
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| CN201410055155.5A CN104880132B (en) | 2014-02-18 | 2014-02-18 | The production method of electric detonator and obtained electric detonator |
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| CN111578795A (en) * | 2020-06-12 | 2020-08-25 | 贵州久联民爆器材发展股份有限公司九八四四生产分公司 | Electronic detonator ignition element positioning die |
| CN113566662B (en) * | 2021-06-17 | 2023-05-26 | 北京凯米迈克科技有限公司 | Portable electricity-related ignition piece |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US5431101A (en) * | 1991-04-16 | 1995-07-11 | Thiokol Corporation | Low cost hermetically sealed squib |
| CN101000224A (en) * | 2007-01-12 | 2007-07-18 | 湖南向红机械化工有限责任公司 | Rigid electrical fuze |
| CN101813441A (en) * | 2009-08-20 | 2010-08-25 | 北京维深数码科技有限公司 | Method for assembling digital electronic detonator |
| CN201942623U (en) * | 2010-12-29 | 2011-08-24 | 四川久安芯电子科技有限公司 | Novel ignition head |
| CN202382661U (en) * | 2011-09-20 | 2012-08-15 | 北京北方邦杰科技发展有限公司 | Ignition circuit board |
| CN103033100B (en) * | 2012-12-13 | 2015-09-16 | 北京全安密灵科技股份公司 | A kind of electrostatic prevention structure of electric detonator |
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