CN214372059U - High-precision electronic detonator - Google Patents
High-precision electronic detonator Download PDFInfo
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- CN214372059U CN214372059U CN202022890509.1U CN202022890509U CN214372059U CN 214372059 U CN214372059 U CN 214372059U CN 202022890509 U CN202022890509 U CN 202022890509U CN 214372059 U CN214372059 U CN 214372059U
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Abstract
The utility model discloses a high-precision electronic detonator, which comprises an electronic ignition tube, a delay body and a basic detonator; the delay body is cylindrical and comprises an upper guide area at the upper part, a delay area at the middle part and a lower guide area at the lower part; the outer walls of the upper guide region and the lower guide region are both provided with threads, and the lower end of the electronic ignition tube is connected with the upper guide region through the threads, and the upper end of the basic detonator is connected with the lower guide region through the threads; the upper port of the electronic ignition tube is provided with a sealing plug, the lower part in the electronic ignition tube is provided with an ignition explosive head, a rubber shielding plug is arranged above the ignition explosive head, an electronic chip is arranged in the rubber shielding plug, the output end of the electronic chip is connected with the ignition explosive head through a bridge wire, and the input end of the electronic chip is connected with an exploder outside the electronic ignition tube through an electric lead; the bottom of the basic detonator is sealed, and high explosive is arranged in the basic detonator, so that the electronic detonator is assembled in a split manner and can be transported separately, an electronic chip can be utilized to control the blasting process, and the delay precision can be ensured.
Description
Technical Field
The utility model relates to a detonator technical field especially relates to a high accuracy electronic detonator.
Background
In order to further supervise dangerous goods, the state has vigorously pursued electronic detonators (digital detonators); when the existing electronic detonator is used, the influence of blasting of an adjacent detonator is easy, for example, electromagnetic waves can influence the normal work of an electronic chip, so that the normal detonation of the electronic detonator is influenced; in addition, most of the existing electronic detonators are integrated, namely, an ignition powder head, a delay powder, an initiating explosive and a high explosive are sequentially arranged in a tube, and the electronic detonators cause safety accidents due to safety problems such as impact, static electricity or friction and the like in the processes of production, transportation and storage; for example, chinese patent CN209166247U discloses an anti-electronic interference physical delay element digital detonator, which is an integral type.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming prior art's shortcoming, provide a components of a whole that can function independently assembly, can part the transportation, ensure safety, can utilize electronic chip control blasting process, can ensure a high accuracy detonator of precision of postponing again.
In order to realize the purpose of the utility model, the technical proposal of the utility model is that:
a high-precision electronic detonator comprises an electronic ignition tube, a delay element and a basic detonator; the delay body is cylindrical and comprises an upper guide area at the upper part, a delay area at the middle part and a lower guide area at the lower part; the outer walls of the upper guide region and the lower guide region are both provided with threads, and the lower end of the electronic ignition tube is connected with the upper guide region through the threads, and the upper end of the basic detonator is connected with the lower guide region through the threads; the upper port of the electronic ignition tube is provided with a sealing plug, the lower part in the electronic ignition tube is provided with an ignition explosive head, a rubber shielding plug is arranged above the ignition explosive head, an electronic chip is arranged in the rubber shielding plug, the output end of the electronic chip is connected with the ignition explosive head through a bridge wire, and the input end of the electronic chip is connected with an exploder outside the electronic ignition tube through an electric lead; the bottom of the basic detonator is sealed, and high explosive is arranged in the basic detonator.
Preferably, the inner wall of the rubber shielding plug is provided with a shielding layer.
Preferably, the inner wall of the electronic ignition tube is provided with an annular supporting table, the bottom of the rubber shielding plug is abutted against the annular supporting table, and the lower end of the sealing plug is abutted against the top of the rubber shielding plug.
Preferably, the center of the upper guide area is provided with a cylindrical upper cavity, the center of the delay area is provided with a cylindrical cavity, and the center of the lower guide area is provided with a cylindrical lower cavity; the centers of the upper concave cavity, the cavity and the lower concave cavity are coaxial and communicated; ignition powder and transition powder are arranged in the upper concave cavity; a delay powder is arranged in the cavity; and the lower concave cavity is internally provided with an initiating explosive.
Preferably, the diameter of each of the upper and lower cavities is greater than the diameter of the cavity.
Preferably, the inner wall of the cavity is provided with a high-temperature expansion layer.
Preferably, a first moisture-proof piece is arranged at the top of the ignition powder, a second moisture-proof piece is arranged between the transition powder and the delay powder, a third moisture-proof piece is arranged between the initiating powder and the delay powder, and a fourth moisture-proof piece is arranged at the bottom of the initiating powder.
Preferably, sealing rings are arranged at the joints between the electronic ignition tube and the upper guide region and between the basic detonator and the lower guide region, and a sealing glue is coated on the sealing rings.
Preferably, the outer wall of the lower part of the electronic ignition tube is provided with an upper annular groove, the outer wall of the upper part of the basic detonator is provided with a lower annular groove, a rubber protective sleeve is arranged between the upper annular groove and the lower annular groove, the rubber protective sleeve wraps the delay body, the joint of the electronic ignition tube and the upper guide region and the joint of the basic detonator and the lower guide region, the upper end of the rubber protective sleeve is embedded into the upper annular groove, and the lower end of the rubber protective sleeve is embedded into the lower annular groove.
The utility model has the advantages that:
firstly, the method comprises the following steps: the electronic detonator is designed in a split manner, and the electronic ignition tube, the delay element and the basic detonator can be separated, so that the electronic detonator is convenient to separate and transport, and the safety of transportation and storage is ensured;
secondly, the method comprises the following steps: the electronic chip is placed in the rubber shielding plug, and the shielding layer is arranged, so that electromagnetic interference can be avoided, normal operation of the electronic chip is ensured, normal ignition is ensured, and meanwhile, the electronic chip carries supervision information, so that the supervision requirements of public security and supervision departments on the detonator can be met;
thirdly, the method comprises the following steps: the rubber shielding plug is arranged, so that the vibration of the electronic chip can be slowed down, and the electronic chip is protected;
fourthly: the ignition powder and the transition powder are arranged in the upper concave cavity, and the delay powder is ignited for a continuous time through the ignition powder and the transition powder, so that the ignition of the delay powder is ensured, and the misfire can not occur;
fifth, the method comprises the following steps: the high-temperature expansion layer is arranged on the inner wall of the cavity, the delay powder expands due to high temperature generated by combustion of the delay powder, a gap between the delay powder and the cavity is blocked, flame in the gap is extinguished, the combustion path of the delay powder cannot be destroyed, the purposes of fixing the delay powder and guiding the combustion trend of the delay powder are achieved, the phenomenon that fire rapidly extends along the gap to cause the integral combustion of the delay powder is avoided, and the delay accuracy of the delay powder is ensured;
sixth: the ignition tube, the delay body and the basic detonator are connected through threads, a sealing ring is arranged at the joint, and sealant is coated on the sealing ring to prevent moisture so as to ensure sealing;
seventh: the rubber protective sleeve is arranged, so that the sealing performance is further ensured, and after the detonator is assembled, the shock resistance of the whole detonator can be improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: 10 is an electronic squib, 10.1 is a ring support, 10.2 is an upper ring groove, 11 is a sealing plug, 12 is an ignition charge head, 13 is a rubber shielding plug, 13.1 is a shielding layer, 14 is an electronic chip, 15 is a bridge wire, 16 is an electric wire, 17 is an initiator, 20 is a delay body, 21 is an upper guide region, 21.1 is an upper cavity, 21.2 is an ignition charge, 21.3 is a transition charge, 22 is a delay region, 22.1 is a cavity, 22.2 is a delay charge, 22.3 is a high temperature expansion layer, 23 is a lower guide region, 23.1 is a lower cavity, 23.2 is an initiator, 30 is a base detonator, 30.1 is a lower ring groove, 31 is a high explosive, 41 is a first moisture-proof sheet, 42 is a second moisture-proof sheet, 43 is a third moisture-proof sheet, 44 is a fourth moisture-proof sheet, and 50 is a rubber protective cover.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.
A high-precision electronic detonator comprises an electronic ignition tube 10, a delay element 20 and a basic detonator 30; the delay body 20 is cylindrical and comprises an upper guide area 21 at the upper part, a delay area 22 at the middle part and a lower guide area 23 at the lower part; the outer walls of the upper guide region 21 and the lower guide region 23 are both provided with threads, and the lower end of the electronic ignition tube 10 is connected with the upper guide region 21 and the upper end of the basic detonator 30 is connected with the lower guide region 23 through threads; the upper port of the electronic ignition tube 10 is provided with a sealing plug 11, the lower part in the electronic ignition tube 10 is provided with an ignition explosive head 12, a rubber shielding plug 13 is arranged above the ignition explosive head 12, an electronic chip 14 is arranged in the rubber shielding plug 13, the output end of the electronic chip 14 is connected with the ignition explosive head 12 through a bridgewire 15, and the input end of the electronic chip is connected with an initiator 17 outside the electronic ignition tube 10 through an electric lead 16; the bottom of the basic detonator 30 is sealed, and a high explosive 31 is arranged in the basic detonator 30.
The electronic chip 14 can provide the supervised digital electronic detonator information, and the electronic chip is used for controlling and supervising the blasting process, so that the public security and supervision departments can supervise dangerous blasting articles.
Preferably, a shielding layer 13.1 is arranged on the inner wall of the rubber shielding plug 13; electromagnetic interference can be avoided, normal operation of the electronic chip 14 is ensured, and normal ignition is ensured.
Preferably, an annular support platform 10.1 is arranged on the inner wall of the electronic ignition tube 10, the bottom of the rubber shielding plug 13 abuts against the annular support platform 10.1, and the lower end of the sealing plug 11 abuts against the top of the rubber shielding plug 13, so that the rubber shielding plug 13 cannot move.
Preferably, a cylindrical upper cavity 21.1 is arranged at the center of the upper guide area 21, a cylindrical cavity 22.1 is arranged at the center in the delay area 22, and a cylindrical lower cavity 23.1 is arranged at the center of the lower guide area 23; the centers of the upper concave cavity 21.1, the cavity 22.1 and the lower concave cavity 23.1 are coaxial and communicated; ignition powder 21.2 and transition powder 21.3 are arranged in the upper cavity 21.1; a delay powder 22.2 is arranged in the cavity 22.1; an initiating explosive 23.2 is arranged in the concave cavity 23.1.
The delay powder 22.2 is formed by drawing a metal thin tube and delay powder filled in the metal thin tube, and a plurality of delay filaments can be wound into a bundle (the outer diameter is consistent with the inner diameter of the cavity) or be spiral (the outer diameter is consistent with the inner diameter of the cavity).
The delay powder 22.2 can also be columnar gel-doped delay powder, and the delay powder 22.2 with the corresponding length is cut according to the length of the cavity 22.1.
Preferably, the diameters of the upper concave cavity 21.1 and the lower concave cavity 23.1 are larger than the diameter of the cavity 22.1.
Preferably, the inner wall of the cavity 22.1 is provided with a high-temperature expansion layer 22.3.
Preferably, a first moisture-proof sheet 41 is arranged at the top of the ignition powder 21.2, a second moisture-proof sheet 42 is arranged between the transition powder 21.3 and the delay powder 22.2, a third moisture-proof sheet 43 is arranged between the initiating powder 23.2 and the delay powder 22.2, a fourth moisture-proof sheet 44 is arranged at the bottom of the initiating powder 23.2, and the bottom surface of the fourth moisture-proof sheet 44 is in contact joint with the top of the high explosive 31.
Preferably, sealing rings (not shown) are disposed at the joints between the electronic ignition tube 10 and the upper guide region 21 and between the base detonator 30 and the lower guide region 23, and a sealant (not shown) is applied.
Preferably, the outer wall of the lower part of the electronic ignition tube 10 is provided with an upper annular groove 10.2, the outer wall of the upper part of the basic detonator 30 is provided with a lower annular groove 30.1, a rubber protective sleeve 50 is arranged between the upper annular groove 10.2 and the lower annular groove 30.1, the rubber protective sleeve 50 wraps the delay element 20, the joint of the electronic ignition tube 10 and the upper guide area 21 and the joint of the basic detonator 30 and the lower guide area 23, the upper end of the rubber protective sleeve 50 is embedded into the upper annular groove 10.2, and the lower end of the rubber protective sleeve 50 is embedded into the lower annular groove 30.1, so that the rubber protective sleeve 50 can be prevented from moving.
The described embodiments are only some, but not all embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Claims (9)
1. A high accuracy electronic detonator which characterized in that: comprises an electronic ignition tube (10), a delay element (20) and a basic detonator (30); the delay body (20) is cylindrical and comprises an upper guide area (21) at the upper part, a delay area (22) at the middle part and a lower guide area (23) at the lower part; the outer walls of the upper guide region (21) and the lower guide region (23) are both provided with threads, and the lower end of the electronic ignition tube (10) is connected with the upper guide region (21) and the upper end of the basic detonator (30) is connected with the lower guide region (23) through threads; the ignition device is characterized in that a sealing plug (11) is arranged at an upper port of the electronic ignition tube (10), an ignition explosive head (12) is arranged at the inner lower part of the electronic ignition tube (10), a rubber shielding plug (13) is arranged above the ignition explosive head (12), an electronic chip (14) is arranged in the rubber shielding plug (13), the output end of the electronic chip (14) is connected with the ignition explosive head (12) through a bridgewire (15), and the input end of the electronic chip is connected with an exploder (17) outside the electronic ignition tube (10) through an electric lead (16); the bottom of the basic detonator (30) is sealed, and a high explosive (31) is arranged in the basic detonator (30).
2. A high precision electronic detonator as claimed in claim 1, wherein: and a shielding layer (13.1) is arranged on the inner wall of the rubber shielding plug (13).
3. A high precision electronic detonator as claimed in claim 1, wherein: the electronic ignition tube (10) inner wall sets up annular brace table (10.1), annular brace table (10.1) is supported to rubber shielding stopper (13) bottom, sealing plug (11) lower extreme supports rubber shielding stopper (13) top.
4. A high precision electronic detonator as claimed in claim 1, wherein: a cylindrical upper cavity (21.1) is arranged at the center of the upper guide area (21), a cylindrical cavity (22.1) is arranged at the center in the delay area (22), and a cylindrical lower cavity (23.1) is arranged at the center of the lower guide area (23); the centers of the upper concave cavity (21.1), the cavity (22.1) and the lower concave cavity (23.1) are coaxial and communicated; ignition powder (21.2) and transition powder (21.3) are arranged in the upper cavity (21.1); a delay powder (22.2) is arranged in the cavity (22.1); and an initiating explosive (23.2) is arranged in the lower cavity (23.1).
5. A high precision electronic detonator as claimed in claim 4, wherein: the diameters of the upper concave cavity (21.1) and the lower concave cavity (23.1) are larger than the diameter of the cavity (22.1).
6. A high precision electronic detonator as claimed in claim 4, wherein: and a high-temperature expansion layer (22.3) is arranged on the inner wall of the cavity (22.1).
7. A high precision electronic detonator as claimed in claim 4, wherein: the ignition powder (21.2) top sets up first dampproofing piece (41), sets up second dampproofing piece (42) between transition powder (21.3) and delay powder (22.2), sets up third dampproofing piece (43) between initiating explosive (23.2) and delay powder (22.2), and initiating explosive (23.2) bottom sets up fourth dampproofing piece (44).
8. A high precision electronic detonator as claimed in claim 1, wherein: sealing rings are arranged at the joints between the electronic ignition tube (10) and the upper guide region (21) and between the basic detonator (30) and the lower guide region (23), and sealing glue is coated on the sealing rings.
9. A high precision electronic detonator as claimed in claim 1, wherein: the outer wall of the lower portion of the electronic ignition tube (10) is provided with an upper annular groove (10.2), the outer wall of the upper portion of the basic detonator (30) is provided with a lower annular groove (30.1), a rubber protective sleeve (50) is arranged between the upper annular groove (10.2) and the lower annular groove (30.1), the rubber protective sleeve (50) wraps the connection position of the delay body (20), the electronic ignition tube (10) and the upper guide area (21) and the connection position of the basic detonator (30) and the lower guide area (23), the upper end of the rubber protective sleeve (50) is embedded into the upper annular groove (10.2), and the lower end of the rubber protective sleeve is embedded into the lower annular groove (30.1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022890509.1U CN214372059U (en) | 2020-12-07 | 2020-12-07 | High-precision electronic detonator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022890509.1U CN214372059U (en) | 2020-12-07 | 2020-12-07 | High-precision electronic detonator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214372059U true CN214372059U (en) | 2021-10-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022890509.1U Active CN214372059U (en) | 2020-12-07 | 2020-12-07 | High-precision electronic detonator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214372059U (en) |
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2020
- 2020-12-07 CN CN202022890509.1U patent/CN214372059U/en active Active
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