CN111238318A - Reinforced electronic ignition part and electronic detonator thereof - Google Patents
Reinforced electronic ignition part and electronic detonator thereof Download PDFInfo
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
- F42C19/00—Details of fuzes
- F42C19/08—Primers; Detonators
- F42C19/12—Primers; Detonators electric
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Abstract
The invention provides a reinforced electronic ignition part and an electronic detonator thereof, comprising an electronic control module, an electric ignition powder head, a metal tube shell and a lead assembly; the electronic control module and the outer surface of the electric ignition powder head are wrapped into a cylindrical glue column through curing glue, and the electronic control module receives an external communication signal through a lead assembly to control the electric ignition powder head to ignite; the metal tube suit sets up the hole of transfering a fire outside cylindrical gluey post, metal tube blind end terminal surface, and electric ignition explosive head is relative with the hole of transfering a fire, and metal tube open end and wire assembly end fixed connection constitute strenghthened type electron ignition simultaneously. The invention has electromagnetic environment resistance and higher safety, and can realize the quick assembly of the electronic detonator.
Description
Technical Field
The invention relates to the technical field of civil blasting equipment, in particular to a reinforced electronic ignition piece and an electronic detonator thereof.
Background
The industrial electronic detonator is one of the initiation devices which are mainly popularized and used in the field of civil blasting devices in China, is already popularized and used in the whole country, and gradually becomes the only industrial detonator which can be circulated and used in China under the requirements and promotion of relevant policies of Ministry of industry, informatization and Ministry of public Security.
The industrial electronic detonator integrates various high and new technical functions such as time control function, electronic password function, communication function, energy storage, electric energy output and the like generated by combining electronic components into a whole and is applied to new civil blasting equipment and products formed by the industrial detonator, so that the industrial detonator has high and new technical functions such as accurate control, accurate identification, communication tracking and the like, the accurate tracking and tracing in the whole life cycle of the industrial detonator can be realized by applying the functions and the network technology, the national management and control of the whole life cycle of civil explosives are met, the accurate control of engineering blasting is realized, and the special social benefit and economic benefit are realized.
More importantly, each electronic detonator has a unique address code (UID code) and a detonation password is written in through rules, so that the industrial electronic detonator has the management advantages of digital tracking and network control under high and new technical conditions in the whole life cycle, relevant policies and regulations have been set in China, the industrial electronic detonators are comprehensively popularized and used in various mines in the country, and the conventional industrial detonators are gradually and comprehensively replaced.
However, because the electronic control module used by the electronic detonator is a high-precision and high-integration electronic device and an electronic circuit, the environmental factors and the use conditions encountered in the use process of the electronic detonator are complex and various and the use condition is unpredictable, the electronic detonator not only can be influenced by the severe electromagnetic environment such as unavoidable and irresistible strong electric field, strong magnetic field, electric field magnetic field coupling, induction high-voltage electric pulse, plasma jet and the like, but also can be influenced by the mechanical and mechanical actions such as detonation wave, seismic wave, reflected wave, superposed wave, rock extrusion and the like generated by the explosion of the primary blasthole explosive, and the high-voltage induction electricity is introduced into the electronic detonator control module in the explosion occasions such as small section, foundation pile, roadway tunneling, hard deposit, underground ore mining and the like to generate unexpected strong destructive action and serious adverse effect on the electronic detonator buried in the blasthole, and even is led into the electronic detonator control module through the lead of the electronic detonator connecting line network, Burning the electronic circuit; the actions of detonation waves, seismic waves, reflected waves and the like can cause the electronic control module in the shell of the electronic detonator to be physically crushed and damaged, and cause the functional damage of the electronic module, so that the action of the electronic detonator is completely failed, and the conditions can cause dangerous conditions such as misfire, artillery loss, accidental explosion and the like of the industrial electronic detonator in the actual blasting using process. The existence of the objective factors is unavoidable and unavoidable, the adaptability, the use safety and the reliability of the industrial electronic detonator are directly influenced, and the industrial electronic detonator is not suitable for being used in special occasions, which is a major technical problem that the industrial electronic detonator is required to face and solve in the technical popularization and application process. Only by adopting effective countermeasures, improving the technical level of the electronic control module and improving the overall performance of the industrial electronic detonator, the industrial electronic detonator can be ensured to have wide applicability and popularization and application values.
In order to solve the problems of misfire and shot-missing in the blasting use of industrial electronic detonators, the invention patent ZL201310259780.7 discloses an integrally-sealed electronic circuit module for electronic detonators and a packaging method thereof. The electronic control module is mechanically reinforced by curing the adhesive-sealed electronic ignition part, and a protective layer with certain strength is formed on the surface of the electronic control module, so that the functions of electrostatic shock resistance, mechanical impact resistance, alternating current shock resistance, direct current shock resistance and flame propagation blocking of the electronic detonator can be effectively improved, but the technical scheme does not provide protection measures for electromagnetic pulses and induction electric fields.
Disclosure of Invention
In view of this, the invention provides a reinforced electronic ignition part and an electronic detonator thereof, which are resistant to electromagnetic environment, have higher safety and can realize the rapid assembly of the electronic detonator.
The technical scheme adopted by the invention is as follows:
a kind of strenghthened type electronic ignition element, the said strenghthened type electronic ignition element includes electronic control module, electric ignition powder head, metal tube shell and wire assembly;
the electronic control module and the outer surface of the electric ignition powder head are wrapped into a cylindrical glue column through curing glue, and the electronic control module receives an external communication signal through a lead assembly to control the electric ignition powder head to ignite; the metal tube shell is sleeved outside the cylindrical rubber column, the end face of the closed end of the metal tube shell is provided with a fire transfer hole, the electric ignition powder head is opposite to the fire transfer hole, and the open end of the metal tube shell is fixedly connected with the end part of the wire assembly to form a reinforced electronic ignition part.
Further, the lead assembly comprises a bayonet plug, a connecting lead and a connecting terminal;
one end of the connecting wire is injected into the bayonet plug and is fixedly connected with the metal tube shell through the bayonet plug, and the other end of the connecting wire is electrically connected with the external extension wire through the connecting terminal; the connecting terminal has an overvoltage discharging function.
Further, with the end of the bayonet plug connected with the metal pipe shell as a starting point, the bayonet plug is divided into: a metal tube shell combining section, a detonator tube shell combining section and an assembling operation section;
the outer diameter range of the joint section with the metal pipe shell is 3.5 mm-7.5 mm, and the length range is 3.0 mm-5.0 mm; the outer diameter range of the section combined with the detonator shell ranges from 3.65mm to 7.65mm, and the length range ranges from 5mm to 20 mm; the length range of the assembling operation section is 5 mm-20 mm.
Further, the metal pipe shell combination section and the metal pipe shell are combined into a whole in a clamping mode and/or a curing adhesive bonding mode.
Furthermore, the connecting lead wire injected into the bayonet plug and the cylindrical rubber column are connected into a whole through mechanical riveting or/and soldering tin welding; the diameter range of the cylindrical rubber column is 3.5 mm-7.5 mm, and the length range is 15 mm-70 mm.
Further, the metal pipe shell is a tubular part which is made of metal materials and is provided with a hole at the single end and the bottom sealed, the length range is 10.0mm to 70.0mm, the outer diameter range is 4.0mm to 10.0mm, the inner diameter range of the opening end is 3.8mm to 9.8mm, the inner diameter range of the closing end is 3.8mm to 9.6mm, and the diameter range of the fire transfer hole is 0.5mm to 3.8 mm.
The electronic detonator based on the reinforced electronic ignition piece adopts the reinforced electronic ignition piece, and further comprises a basic detonator which is clamped with a combined section of the reinforced electronic ignition piece and a detonator shell to form the electronic detonator.
Further, the length of the base detonator shell ranges from 70mm to 150 mm.
Has the advantages that:
1. the invention forms the electric ignition powder head, the electronic control module, the metal tube shell and the wire assembly into a reinforced electronic ignition part full-function device with integrity, independence, electromagnetic environment resistance and mechanical environment resistance, greatly improves the use safety and reliability of the industrial electronic detonator, favorably improves the assembly production process performance of the industrial electronic detonator, and is beneficial to the large-scale popularization and use of the electronic detonator; the invention concentrates, integrates and integrates the main factors and key parts which influence the performance of the electronic detonator into a whole part, can realize the intensive production, concentrates the factors which influence the safety and the reliability of the electronic detonator and uniformly processes the factors by using uniform technical measures, process methods and quality guarantee systems, and realizes the performance consistency and the high reliability of the reinforced electronic ignition part;
firstly, the whole structure of the curing glue-sealed electronic ignition part is fully sealed, so that the whole mechanical strength of the curing glue-sealed electronic ignition part is improved, the electric ignition powder head and the electronic control module are protected from being ignited or failed due to stimulation of external sparks, flame, machinery and the like, and the safety of the electric ignition powder head and the electronic control module is improved;
secondly, the solidified glue seal electronic ignition piece and the lead assembly are sleeved in a metal tube shell, the metal tube shell mechanically encapsulates and electromagnetically shields the electronic control module and the electric ignition powder head, on one hand, the high-strength metal tube shell is used for protecting the electronic control module from being damaged by external mechanical action, on the other hand, the destructive influence of the electromagnetic action of an external electromagnetic field on the electronic control module is weakened or eliminated through the shielding action of the metal tube shell, the stability and the reliability of the electronic control module are kept, the full-structure metal cover seal shielding of the electronic ignition piece is realized, the core component 'the electronic ignition piece' of the electronic detonator is protected from the aspects of mechanical strength and electromagnetic protection, the electronic ignition piece has the capability of resisting a strong chemical environment, the shielding capability of resisting strong electromagnetic interference such as external electromagnetic wave, strong electric pulse, high-voltage static electricity and the like is improved, and the stability and the reliability of the electronic ignition piece are, thereby enhancing the performance and the application range of the electronic detonator.
2. The connecting wire can arbitrarily prolong the length of the external extension wire through the preset connecting terminal, thereby meeting different use requirements; the connecting terminal has a high-voltage electricity discharge function, can prevent high-voltage static electricity, high-voltage induced electricity, high-voltage lightning interference and damage to the electronic control module, and improves the use safety and reliability of the electronic detonator.
3. The electronic ignition part and the basic detonator are clamped by the bayonet plugs to form the industrial electronic detonator, the industrial digital electronic detonator or the industrial electronic delay detonator, so that the rapid assembly can be realized, and the use convenience is improved.
Drawings
FIG. 1 is a schematic view of a connection structure of a lead assembly and a cured adhesive-sealed electronic igniter according to the present invention;
FIG. 2 is a drawing showing a bonded structure of the enhanced electric igniter;
FIG. 3 is a block diagram of the enhanced electric igniter;
FIG. 4 is a schematic view of a lead assembly;
FIG. 5 is a schematic structural view of a cured encapsulated electronic igniter;
FIG. 6 is a schematic structural view of a metal envelope;
FIG. 7 is a schematic structural view of a reinforced electronic detonator;
the device comprises a wire assembly, a 2-solidified glue-sealed electronic ignition piece, a 3-metal tube shell, a 4-clamping indentation, a 101-metal tube shell combination section, a 102-detonator tube shell combination section, a 103-assembly operation section, a 104-double-core wire, a 105-welding point, a 106-wiring terminal, a 107-high-voltage discharge hole, a 201-electric ignition powder head, a 202-electronic control module, a 203-glue column, a 204-connection terminal, a 301-fire transfer hole, a 302-opening end, a 10-reinforced electronic ignition piece and a 20-basic detonator.
Detailed Description
The invention is described in detail below by way of example with reference to the accompanying drawings.
The embodiment provides a strenghthened type electronic ignition, including wire assembly 1, solidification glue seal electronic ignition 2 and metal tube 3.
As shown in fig. 5, the cured glue-sealed electronic ignition part 2 comprises an electric ignition charge head 201, an electronic control module 202, a glue column 203 and a connecting terminal 204; the electronic control module 202 controls the electric ignition powder head 201 to ignite, the outer surfaces of the electronic control module 202 and the electric ignition powder head 201 are surrounded, filled and wrapped into cylindrical glue columns through curing glue, and the used filling glue is polypropylene glue, or low-temperature high polymer, or normal-temperature curing epoxy resin double-component glue. The glue seal structure is used for improving mechanical strength, increasing isolation measures, protecting the electric ignition powder head 201, isolating the ignition powder head from contacting with the environment atmosphere, preventing moisture in the absorption environment from being affected with damp and going bad, and preventing external sparks, flames, mechanical friction and mechanical impact from directly stimulating the ignition powder head to cause accidental ignition; meanwhile, the reliable connection between the electric ignition powder head 201 and the electronic control module 202 can be ensured, the overall mechanical strength of the electronic ignition module is improved, electronic elements on the electronic control module 202 are prevented from being damaged by vibration, and the powder head is prevented from being broken by vibration; because the rubber column is filled in the electronic control module 202 and the fit clearance between the electric ignition charge head 201 and the metal tube shell 3, the rubber column is reliably and tightly matched with the metal tube shell 3 to play a role of blocking, and prevent external flame and spark from being transmitted to the surface of the electric ignition charge head 201 and the surface of the primary explosive charge of the basic detonator 20 to cause accidental ignition and explosion. Therefore, the outer diameter of the cured adhesive-sealed electronic igniter 2 ranges from 3.6mm to 9.60mm, and the length ranges from 15mm to 65 mm.
As shown in fig. 6, the metal shell 3 is a tubular metal shell for mechanically encapsulating and electromagnetically shielding the electronic control module 202 and the electrically igniting powder head 201, the open end 302 is used for inserting the electronic control module 202 and the glue solution and combining with the bayonet plug, and the end face of the closed end is provided with a fire transmitting hole 301; the metal tube shell 3 is a tubular part made of aluminum, carbon steel or stainless steel metal materials through cold extrusion punching, the length range is 10.0mm to 70.0mm, the outer diameter range is 4.0mm to 10.0mm, the inner diameter range of the opening end 302 is 3.8mm to 9.8mm, the inner diameter range of the closing end is 3.8mm to 9.6mm, and the diameter range of the fire transfer hole 301 is 0.5mm to 3.8 mm.
As shown in fig. 4, the lead wire assembly 1 includes a bayonet plug, a connecting lead wire and a connecting terminal 106 for transmitting communication information, control information and initiation electric energy between the initiator and the electronic control module 202 of each electronic detonator.
The bayonet plug is made of elastic bodies such as plastic, rubber or modified plastic added with conductive materials, and the bayonet plug is divided into the following parts by taking the end of the bayonet plug connected with the metal tube shell 3 as a starting point: a metal shell-and-tube joint section 101, a detonator shell-and-tube joint section 102, and an assembling operation section 103. The outer diameter of the metal tube shell combining section 101 is the same as the inner diameter of the metal tube shell 3, so that the metal tube shell and the metal tube shell can be conveniently combined together, the outer diameter range of the metal tube shell combining section 101 is 3.5 mm-7.5 mm, and the length range of the metal tube shell combining section is 3 mm-5 mm; the outer diameter of the detonator shell and shell combining section 102 is the same as the inner diameter of the basic detonator shell, so that the detonator shell and the basic detonator shell can be conveniently clamped together to form the electronic detonator, the outer diameter range of the detonator shell and shell combining section 102 is 3.65 mm-7.65 mm, and the length range of the detonator shell and shell combining section is 5 mm-20 mm; the assembly operation section 103 is cylindrical, square or rectangular, is convenient for providing a clamping part for an assembly tool in the assembly operation process of the electronic detonator, and has a length range of 5 mm-20 mm.
The connecting lead adopts a double-core lead 104 which is a plastic armored double-core lead and is used for connecting an electronic control module in an electronic detonator to a networking in a blasting network, and connecting, communicating and supplying power with an initiator, in order to improve the strength, wear resistance and tensile resistance of the lead, two steel core wires with the diameter not less than 0.52mm or copper-clad steel core wires are adopted, a layer of modified plastic is coated on the outer side of the steel core wires to form a plastic armored wire with the outer diameter not more than 3.0mm, and the length of the wire section is based on the convenience of operation of the plastic, welding and assembly production line and is usually between 10mm and 2000 mm. The connecting leads are mechanically and/or electrically connected to external extension leads via connection terminals 106, the length of the extension leads being arbitrarily increased according to the use requirements. The two lead cores are respectively riveted with the two poles of the connecting terminal 106, and then are reinforced by soldering, and then the connecting terminal 106 is put into a special injection mold together for injection molding and cladding to form a plastic column formed by plastic cladding, so that the functions of mechanical reinforcement and liquid sealing for water, oil and the like are achieved, and the external extension lead and the reinforced electronic ignition part form a whole.
The connection terminal 106 is a connection terminal having a double-sided riveting end, has a fixed shape and size, and is convenient for automatic assembly, and after a wire is riveted with the terminal into a whole, in order to fix a riveting point and ensure a long-term reliable electrical connection, a soldering tin is used to weld the riveting point to form a welding point 105. The terminal can be used for conducting wire riveting, tin welding and laser welding with the wire core diameter of 0.40mm to 1.00mm, and the tensile strength of a formed connecting point is not lower than 20 kg. The connecting terminal 106 has an over-voltage discharging function, a high-voltage discharging hole 107 is formed in the connecting terminal 106, and the high-voltage discharging hole 107 ensures that electric spark discharging can be automatically generated at the high-voltage discharging hole 107 when the voltage on the detonator leg wire is greater than the designed safe voltage so as to protect the safety of an electronic control module and a basic detonator in the detonator body. At present, the normal communication and charging voltage of the electronic detonator in China is less than 100V, so that any voltage which is more than 100V is sensed on the detonator leg wire and is set as harmful voltage to be prevented and released. Therefore, the discharge gap designed by the invention is 1.0mm to 2.0 mm.
Example 1:
one end of the lead assembly 1 is injection molded into a plastic bayonet plug with different diameter length sections through a special mold, and a metal pipe shell combination section 101, a detonator pipe shell combination section 102 and an assembly operation section 103 are respectively formed. One end of the double-core wire 104 is installed in the bayonet plug, the other end of the double-core wire 104 and the processed connecting terminal 106 are riveted into a whole through machinery, the riveted part is welded to form a welding spot 105 for reinforcement, and then the connecting terminal 106 is coated in an injection molding or glue injection mode to form a watertight fixed connecting block.
As shown in fig. 1, the connection terminal 204 of the cured adhesive-sealed electronic fuse 2 is connected to the two-core lead wire 104 at the end of the metal case joint section 101 of the bayonet plug by mechanical riveting, or soldering, or mechanical riveting and soldering.
The metal tube shells 3 are placed into a mold at equal intervals and fixed, so that the fire transfer holes 301 of the metal tube shells 3 are positioned at the bottom in the mold, the open ends 302 are positioned outside the mold, and the calculated amount of curing glue is injected into the metal tube shells 3 through the open ends 302 by using a glue injection machine.
As shown in fig. 2, the curing adhesive sealed electronic ignition element 2 and the wire assembly 1 which are connected together are inserted into the metal tube shell 3 filled with the curing adhesive through the open end 302 of the metal tube shell, so that the joint section 101 of the bayonet plug and the metal tube shell is inserted into the metal tube shell 3, the electric ignition charge head 201 is opposite to the fire transfer hole 301, and the joint section 101 of the metal tube shell and the open end 302 are bonded together.
Through the operation process, the reinforced electronic ignition piece 10 which has the advantages of communication, electrification, ignition, strong chemical environment resistance, strong electromagnetic environment resistance, integral installation and use and no need of additional processing is prepared.
Putting a basic detonator 20 into the adjusted closing device, inserting the enhanced electronic ignition element 10 into the basic detonator shell in the closing device, limiting the insertion depth by the positioning ring of the bayonet plug, starting the closing device, and clamping the basic detonator shell and the bayonet plug of the enhanced electronic ignition element 10 together with the detonator shell combination section 302 to form a complete electronic detonator, wherein the length range of the basic detonator shell is 70mm to 150mm, as shown in fig. 7.
Example 2:
the processing of the lead assembly 1 was the same as in example 1.
The connection processing of the connection terminal 204 of the cured adhesive-sealed electronic ignition element 2 and the end of the bayonet plug and the metal case joint section 101 is the same as that of the embodiment 1.
As shown in fig. 3, the metal tube shell 3 is placed in a bayonet (closing-in) machine, the solidified glue sealing electronic ignition piece 2 and the wire assembly 1 which are connected together are inserted into the metal tube shell 3 together, the electric ignition explosive head 201 is opposite to the ignition hole 301, the closing-in device is started, a clamping indentation 4 is formed between the metal tube shell 3 and the metal tube shell combining section 101 of the plastic bayonet plug, and the metal tube shell 3 and the plastic bayonet plug form a clamping integrated part.
Through the operation process, the reinforced electronic ignition piece 10 which has the advantages of communication, electrification, ignition, strong chemical environment resistance, strong electromagnetic environment resistance, integral installation and use and no need of processing is prepared.
And putting a basic detonator 20 into the adjusted closing device, inserting the enhanced electronic ignition element 10 into the basic detonator shell in the closing device, limiting the insertion depth by the positioning ring of the bayonet plug, starting the closing device, and clamping the basic detonator shell and the bayonet plug of the enhanced electronic ignition element 10 together with the detonator shell combination section 302 to form a complete electronic detonator.
Example 3:
the processing of the lead assembly 1 was the same as in example 1.
The connection processing of the connection terminal 204 of the cured adhesive-sealed electronic ignition element 2 and the end of the bayonet plug and the metal case joint section 101 is the same as that of the embodiment 1.
The metal shell 3 is placed into a mold at equal intervals for fixation, so that the fire transfer hole 301 end of the metal tube shell 3 is positioned at the bottom in the mold, the open end 302 is positioned outside the mold, and the calculated amount of curing glue is injected into the metal tube shell 3 through the open end 302 by using a glue injection machine. The electronic ignition part 2 and the lead assembly 1 which are connected together are inserted into the metal tube shell 3 injected with curing adhesive through the open end 302, so that the joint section 101 of the bayonet plug and the metal tube shell is inserted into the metal tube shell 3, the electric ignition powder head 201 is opposite to the ignition hole 301, and the joint section 101 of the metal tube shell and the open end 302 are bonded together.
Then, the reinforced electronic ignition element 10 integrated with the metal shell 3 is put into a bayonet (closing in) machine, the closing in device is started, a clamping indentation 4 is formed between the metal tube shell 3 and the plastic bayonet plug, and the metal tube shell 3 and the plastic bayonet plug form an integrated part for clamping.
Through the operation process, the reinforced electronic ignition piece 10 which has the advantages of communication, electrification, ignition, strong chemical environment resistance, strong electromagnetic environment resistance, integral installation and use and no need of processing is prepared.
And putting a basic detonator 20 into the adjusted closing device, inserting the enhanced electronic ignition element 10 into the basic detonator shell in the closing device, limiting the insertion depth by the positioning ring of the bayonet plug, starting the closing device, and clamping the basic detonator shell and the bayonet plug of the enhanced electronic ignition element 10 together with the detonator shell combination section 302 to form a complete electronic detonator.
In summary, the above description 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 (8)
1. A reinforced electronic ignition piece is characterized by comprising an electronic control module, an electric ignition powder head, a metal tube shell and a lead assembly;
the electronic control module and the outer surface of the electric ignition powder head are wrapped into a cylindrical glue column through curing glue, and the electronic control module receives an external communication signal through a lead assembly to control the electric ignition powder head to ignite; the metal tube shell is sleeved outside the cylindrical rubber column, the end face of the closed end of the metal tube shell is provided with a fire transfer hole, the electric ignition powder head is opposite to the fire transfer hole, and the open end of the metal tube shell is fixedly connected with the end part of the wire assembly to form a reinforced electronic ignition part.
2. The enhanced electronic fuse as recited in claim 1, wherein said wire assembly comprises a bayonet plug, connecting wires and connecting terminals;
one end of the connecting wire is injected into the bayonet plug and is fixedly connected with the metal tube shell through the bayonet plug, and the other end of the connecting wire is electrically connected with the external extension wire through the connecting terminal; the connecting terminal has an overvoltage discharging function.
3. The enhanced electronic ignition member according to claim 2, wherein the bayonet plug is divided into, starting from the end where the bayonet plug is connected to the metal pipe shell: a metal tube shell combining section, a detonator tube shell combining section and an assembling operation section;
the outer diameter range of the joint section with the metal pipe shell is 3.5 mm-7.5 mm, and the length range is 3.0 mm-5.0 mm; the outer diameter range of the section combined with the detonator shell ranges from 3.65mm to 7.65mm, and the length range ranges from 5mm to 20 mm; the length range of the assembling operation section is 5 mm-20 mm.
4. The reinforced electronic fuse element as recited in claim 3, wherein the joining section with the metal case is integrally joined with the metal case by means of snap-fit and/or by means of cured adhesive.
5. The enhanced electronic ignition element according to claim 2, wherein the connecting lead injected into the bayonet plug is connected with the cylindrical glue column into a whole through mechanical riveting or/and soldering tin welding; the diameter range of the cylindrical rubber column is 3.5 mm-7.5 mm, and the length range is 15 mm-70 mm.
6. The enhanced electronic ignition element according to claim 1, wherein the metal tube shell is a tubular part made of metal material with a single end sealed and open, a length ranging from 10.0mm to 70.0mm, an outer diameter ranging from 4.0mm to 10.0mm, an inner diameter ranging from 3.8mm to 9.8mm at an open end, an inner diameter ranging from 3.8mm to 9.6mm at a closed end, and a diameter ranging from 0.5mm to 3.8mm at a fire transfer hole.
7. An electronic detonator based on a reinforced electronic ignition member is characterized in that the reinforced electronic ignition member according to claim 3 is adopted, the electronic detonator further comprises a base detonator, and the base detonator is clamped with a joint section of the reinforced electronic ignition member and a detonator shell to form the electronic detonator.
8. The electronic detonator based on the enhanced electronic priming member of claim 7 wherein the length of the base detonator shell ranges from 70mm to 150 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010108609.6A CN111238318A (en) | 2020-02-21 | 2020-02-21 | Reinforced electronic ignition part and electronic detonator thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010108609.6A CN111238318A (en) | 2020-02-21 | 2020-02-21 | Reinforced electronic ignition part and electronic detonator thereof |
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| CN111238318A true CN111238318A (en) | 2020-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010108609.6A Pending CN111238318A (en) | 2020-02-21 | 2020-02-21 | Reinforced electronic ignition part and electronic detonator thereof |
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Cited By (1)
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