CN219572843U - Safety detonator without initiating explosive - Google Patents
Safety detonator without initiating explosive Download PDFInfo
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- CN219572843U CN219572843U CN202321281675.9U CN202321281675U CN219572843U CN 219572843 U CN219572843 U CN 219572843U CN 202321281675 U CN202321281675 U CN 202321281675U CN 219572843 U CN219572843 U CN 219572843U
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Abstract
The utility model discloses an initiating explosive-free safety detonator, which comprises: the detonator tube plug and the tube body arranged at one end of the detonator tube plug; an electronic control module, an excitation assembly, an excitation explosive and a main charge are sequentially arranged in the tube body; the main explosive is positioned at the top of the tube body, and a first reinforcing cap is arranged at one end of the excited explosive; the end part of the first reinforcing cap is provided with a first fire transmission hole; the end face of the free end of the excitation component is provided with a coating; one side of the excitation component is provided with combustion explosive; a second reinforcing cap is arranged on one side of the combustion explosive, and a second fire transfer hole is formed in one end, close to the combustion explosive, of the second reinforcing cap; the end part of the electronic control module is provided with a lighting head; the electronic delay module provides initial energy for the ignition head, so that the ignition head fires to generate combustion flame, and the combustion explosive is ignited through the second fire transfer hole, so that a large amount of heat is generated by the ignition of the combustion explosive, and due to the restraint and sealing effects of the second reinforcing cap and the excitation assembly, the energy dissipation is avoided, and the excitation assembly can form larger pressure under the accumulation of heat.
Description
Technical Field
The utility model belongs to the technical field of detonating primer-free detonators, and particularly relates to a detonating primer-free safety detonator.
Background
The existing detonator charge generally comprises ignition powder, initiating powder, booster powder, main charge and the like, and the initiating powder has higher heat sensitivity, mechanical sensitivity and the like, and frequent painful safety accidents occur in the production, processing and using processes of the detonator. The primary explosive can also generate a large amount of industrial wastewater which is difficult to treat in the production process, and serious pollution is caused to soil or water quality, so that the life safety and property safety of people are ensured to the greatest extent in order to improve the safety level of the detonator production process, and the detonator without the primary explosive is produced.
At present, the reliability of the existing flying piece detonators, plasma detonators, laser detonating detonators and the like is increased to a certain extent, but the existing flying piece detonators, plasma detonators, laser detonating detonators and the like are not applied in industrial batch due to the fact that the existing flying piece detonators, plasma detonators, laser detonators and the like are complex in structure, high in processing requirements, high in production cost, low in stability and the like. In addition, the inside of the existing detonator body is not provided with a cavity, the required space expansion can not be provided for the inversion of the bottom of the excitation assembly, the impact force of fragments entering the inside of the first reinforcing cap on the explosive is reduced, and the hot spot generation efficiency is reduced.
Disclosure of Invention
The utility model aims to provide a safety detonator without initiating explosive, which solves the technical problem that space expansion cannot be provided in the prior art, so that explosive impact force is weakened after fragments enter a first reinforcing cap.
In order to achieve the above object, the present utility model discloses an initiating explosive-free safety detonator comprising: the detonator tube plug and the tube body arranged at one end of the detonator tube plug; an electronic control module, an excitation assembly, an excitation explosive and a main charge are sequentially arranged in the tube body;
the main charge is positioned at the top of the pipe body, and a first reinforcing cap is arranged at one end of the excited explosive;
the end part of the first reinforcing cap is provided with a first fire transmission hole;
the end face of the free end of the excitation component is provided with a coating; a combustion explosive is arranged on one side of the excitation component;
a second reinforcing cap is arranged on one side of the combustion explosive, and a second fire transfer hole is formed in one end, close to the combustion explosive, of the second reinforcing cap;
the end part of the electronic control module is provided with an ignition head.
As a preferable scheme, the first reinforcing cap and the second reinforcing cap are both U-shaped structures.
Preferably, the first reinforcing cap and the second reinforcing cap are opened in opposite directions.
As a preferred solution, a cavity is provided between the excitation assembly and the first reinforcement cap.
As a preferred embodiment, the height of the cavity is 0-6mm.
As a preferable scheme, the first fire transfer hole and the second fire transfer hole are coaxially arranged.
As a preferable scheme, the aperture of the first fire transfer hole is 1-4mm.
As a preferable scheme, the aperture of the second fire transfer hole is 2-4mm.
As a preferable scheme, the ignition head is of a spherical structure.
As a preferred embodiment, the ignition head is externally coated with an ignition powder comprising one of a lead picrate system, an antimony sulfide system, and a trinitroresorcinol lead system.
Compared with the prior art, the safety detonator without the initiating explosive has the following advantages:
the electronic delay module provides initial energy for the ignition head, so that the ignition head fires to generate combustion flame, and the combustion explosive is ignited through the second fire transmission hole, so that a large amount of heat is generated after the combustion explosive is ignited, and due to the constraint and sealing effects of the second reinforcing cap and the excitation assembly, the energy dissipation is avoided, the excitation assembly can form larger pressure under the accumulation of heat, the bottom of the excitation assembly can be effectively pushed to reversely rotate, the bottom coating is broken, the cavity is used for providing required space expansion for the bottom reverse rotation of the excitation assembly, the flight speed of coating fragments can be accelerated, the impact force of the fragments on the explosive after entering the first reinforcing cap is improved, and the hot spot generation efficiency is improved.
Drawings
Fig. 1 is a schematic diagram of a safety detonator without primary explosive according to an embodiment of the utility model.
In the figure, 1, the body, 2, combustion explosive, 3, cavity, 4, excitation explosive, 5, main charge, 6, first enhancement cap, 7, excitation subassembly, 8, second pass fire hole, 9, second enhancement cap, 10, ignition head, 11, electronic control module, 12, detonator plug, 13, first pass fire hole.
Detailed Description
The technical scheme of the utility model is explained in detail by specific examples.
In order that the above-recited objects, features and advantages of the present utility model will be more clearly understood, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways than those described herein, and therefore the scope of the present utility model is not limited to the specific embodiments disclosed below.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.
The following describes the safety detonator without initiating explosive according to the embodiment of the utility model in detail with reference to the accompanying drawings.
Example 1
As shown in fig. 1, the present utility model discloses an initiating explosive-free safety detonator comprising: a detonator plug 12 and a tube body 1 arranged at one end of the detonator plug 12;
an electronic control module 11 is arranged at one end, close to the detonator plug 12, inside the tube body 1;
one end of the electronic control module 11 is provided with an ignition head 10.
The ignition head 10 is fired by burning the surface-coated ignition powder, and the different ignition powder burns with different sensitivity and firing rate, which also affects the reliability and output energy of the detonator.
One end inside the tube body 1 is provided with a main charge 5 and an excited explosive 4, the top of the excited explosive 4 is provided with a first reinforcing cap 6, an excitation component 7 is arranged above the first reinforcing cap 6, and a cavity 3 is arranged between the excitation component 7 and the first reinforcing cap 6;
the firing assembly 7 is internally provided with a combustion explosive 2, the top of the combustion explosive 2 is provided with a second reinforcing cap 9, and the second reinforcing cap 9 is positioned below the firing head 10.
It should be noted that, through the constraint of the first reinforcing cap 6, on one hand, the explosive can be pressed to the first reinforcing cap 6 to ensure that the charging position of the excited explosive 4 is not easy to loose, the distance of the cavity and the inverted detonation capability of the detonator are ensured, and on the other hand, the excited explosive 4 has higher density after being pressed, and the detonation velocity is increased along with the increase of the density, so that the output energy of the excited explosive 4 and the main explosive 5 is improved, and the explosion reliability of the detonator is improved.
Further, the main charge, the activated explosive and the combustion explosive are all common explosives, such as Heioujin, taian and the like, and it is understood that the selection of the common explosive is not limited to the two, and those skilled in the art can select other explosives to use under the condition of realizing the functions in the art.
According to the embodiment of the utility model, the first reinforcing cap 6 and the second reinforcing cap 9 are both in a U-shaped structure, and the first reinforcing cap 6 and the second reinforcing cap 9 are symmetrically arranged, i.e. the opening directions of the first reinforcing cap 6 and the second reinforcing cap 9 are opposite.
According to the embodiment of the utility model, the first reinforcing cap 6 is provided with a first fire transfer hole 13, one end of the second reinforcing cap 9 is provided with a second fire transfer hole 8, the first fire transfer hole 13 and the second fire transfer hole 8 are coaxially arranged, and the sizes of the first fire transfer hole 13 and the second fire transfer hole 8 are the same or different.
According to the embodiment of the utility model, the aperture of the first fire passing hole 13 is 1-4mm.
Preferably, the aperture of the first fire transfer holes 13 is 2mm.
According to the embodiment of the utility model, the aperture of the second fire transfer hole 8 is 2-4mm.
Preferably, the aperture of the second fire transfer holes 8 is 3mm.
According to an embodiment of the present utility model, the ignition head 10 has a spherical structure.
It should be noted that the ignition head is not limited to a spherical structure, and those skilled in the art can selectively adjust the ignition head according to actual use requirements, such as a conical ignition head and a cylindrical ignition head.
According to an embodiment of the utility model, the excitation assembly 7 is provided with a coating at the bottom.
Furthermore, because the characteristics of the broken coating of the excitation component 7, such as brittleness and hardness, and the high-speed flying of the excitation component in the cavity 3, hot spots can be generated rapidly after the excitation component penetrates into the excitation explosive 4, and because the density of the excitation explosive 4 is increased through the pressing and restraining actions of the first reinforcing cap 6, the detonation velocity is improved, the output energy of the excitation explosive 4 is improved, and the main charge 5 is effectively detonated, so that the detonator reliability and the output energy are improved. The accelerating cavity 3 exists between the exciting component 7 and the exciting explosive 4, so that the requirement on the material of the coating can be reduced, and the coating at the bottom of the exciting component 7 can be replaced by other hard substances in the structure, such as perlite, resin and the like, and hot spots can be generated rapidly to cause explosive deflagration.
According to an embodiment of the utility model, the height of the cavity 3 is 0-6mm.
Alternatively, the height of the cavity 3 is 1mm,2mm,3mm,4mm,5mm, preferably the height of the cavity 3 is 3mm.
It should be noted that, through pressing the medicine to first enhancement cap 6 for the excitation explosive 4 increases cavity 3 with excitation subassembly 7 between, and this cavity 3 can provide sufficient space for excitation subassembly 7 bottom reversal, coating are cracked etc. and can also effectively adjust cavity 3 height through adjusting pressing the medicine height simultaneously, realizes cavity 3 height-adjustable.
In summary, the electronic delay module in the utility model provides the initial energy for the ignition head 10, so that the ignition head fires to generate combustion flame, and the combustion explosive 2 is ignited through the second fire transfer holes 8, so that a large amount of heat is generated after the combustion explosive 2 is ignited, and due to the restraint and sealing effects of the second reinforcing cap 9 and the excitation assembly 7, not only is the energy dissipation avoided, but also a large pressure is formed in the excitation assembly 7 under the accumulation of heat, the bottom inversion of the excitation assembly 7 can be effectively pushed, the bottom coating is broken, the cavity 3 is used for providing the required space expansion for the bottom inversion of the excitation assembly 7, the flight speed of the coating fragments can be accelerated, the impact force of the fragments on the explosive after entering the inside of the first reinforcing cap 6 is improved, and the hot spot generation efficiency is improved.
In addition, the first reinforcing cap 6 is used for extruding the excited explosive 4, so that the density and detonation output energy of the excited explosive 4 are improved, the amount of the explosive required for achieving the detonation effect is greatly reduced (about 100mg can be reduced), the cost is saved, and the environment is protected.
In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments. In particular, for system embodiments, since they are substantially similar to method embodiments, the description is relatively simple, as relevant to see a section of the description of method embodiments. In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the present specification. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
The foregoing is merely exemplary of the present utility model and is not intended to limit the present utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are to be included in the scope of the claims of the present utility model.
Claims (10)
1. A non-initiating explosive safety detonator comprising: the detonator tube plug and the tube body arranged at one end of the detonator tube plug; the device is characterized in that an electronic control module, an excitation assembly, an excitation explosive and a main charge are sequentially arranged in the tube body;
the main charge is positioned at the top of the pipe body, and a first reinforcing cap is arranged at one end of the excited explosive;
the end part of the first reinforcing cap is provided with a first fire transmission hole;
the end face of the free end of the excitation component is provided with a coating; a combustion explosive is arranged on one side of the excitation component;
a second reinforcing cap is arranged on one side of the combustion explosive, and a second fire transfer hole is formed in one end, close to the combustion explosive, of the second reinforcing cap;
the end part of the electronic control module is provided with an ignition head.
2. The non-primary explosive safety detonator of claim 1 wherein the first reinforcement cap and the second reinforcement cap are both U-shaped structures.
3. The non-primary explosive safety detonator of claim 2, wherein the first reinforcement cap is open in an opposite direction to the second reinforcement cap.
4. The non-primary explosive safety detonator of claim 1, wherein a cavity is provided between the firing assembly and the first reinforcement cap.
5. The non-primary explosive safety detonator according to claim 4, wherein the height of the cavity is 0-6mm.
6. The non-primary explosive safety detonator of claim 1 wherein the first fire transfer aperture is disposed coaxially with the second fire transfer aperture.
7. The non-primary explosive safety detonator of claim 6 wherein the first fire transfer hole has a pore size of 1-4mm.
8. The non-primary explosive safety detonator of claim 7, wherein the second fire transfer hole has a hole diameter of 2-4mm.
9. The non-primary explosive safety detonator of claim 1 wherein the firing head is of spherical configuration.
10. The safety detonator of claim 9 wherein the outer portion of the ignition head is coated with an ignition charge comprising one of a lead picrate system, an antimony sulfide system, and a trinitroresorcinol lead system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321281675.9U CN219572843U (en) | 2023-05-25 | 2023-05-25 | Safety detonator without initiating explosive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321281675.9U CN219572843U (en) | 2023-05-25 | 2023-05-25 | Safety detonator without initiating explosive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219572843U true CN219572843U (en) | 2023-08-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321281675.9U Active CN219572843U (en) | 2023-05-25 | 2023-05-25 | Safety detonator without initiating explosive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219572843U (en) |
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2023
- 2023-05-25 CN CN202321281675.9U patent/CN219572843U/en active Active
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