Detonator structure capable of improving anti-terrorism capability of digital detonator

Abstract

The utility model relates to the technical field of digital detonators, in particular to a detonator structure capable of improving the anti-terrorism capability of a digital detonator, which comprises a detonator shell, a steel pipe inserted in the detonator shell and a digital delay element, and the digital delay element is positioned above the steel pipe; the mouth plastic plug is integrally fixed to the top of the digital delay element and located at the top of the interior of the detonator shell, and after the mouth plastic plug is inserted into the detonator shell, the outer wall of the detonator shell is clamped through a circular clamp with teeth, so that the outer wall of the detonator shell and the mouth plastic plug synchronously deform to form a closed opening; the electric ignition powder head is arranged at the bottom of the digital delay element; the explosive is filled between the interior of the steel pipe and the bottom of the detonator shell; the leg wire is arranged at the top of the mouth plastic plug; the flame-retardant material is filled in the steel pipe; according to the device, through the arrangement of the steel pipe and the flame-retardant material, the anti-reassembly capability of the existing digital detonator is improved, the production process is safe, and the anti-collision capability of the detonator is relatively strong.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of digital detonator, especially to a detonator structure capable of improving anti-terrorist capability of digital detonator. BACKGROUND

[0002] A few years ago, our country stopped the production of electric detonator and lead detonator, and turned to produce digital delay detonator, which can improve the blasting quality and the anti-terrorist capability of the detonator. Because even if the detonator is stolen by criminals, he is difficult to detonate the detonator, because the start code needs to be input, the face of the special personnel needs to be scanned, and the digital detonator special initiator can be opened only after the verification is correct. In addition, the electronic code of each detonator used in this blasting and the detonation password set by the public security bureau for this blasting need to be input before detonation, so that this blasting can be implemented.

[0003] However, if a hacksaw or a file is used to cut off the detonator on the reinforced cap of the digital detonator or to peel off the detonator port, to extract the digital delay element and the electric ignition head, to fix a fuse on the reinforced cap with adhesive tape, or to wrap the fire stick made of firecracker powder and match head powder into a fire stick, a fire detonator can be made, because the booster or ignition powder below the reinforced cap has high flame sensitivity. If the electric ignition head is cut off from the extracted digital delay body, the two legs of the electric ignition head are welded with the detonator leg wire, and the electric ignition head is inserted into the detonator shell, so that the electric ignition head is close to the reinforced cap, and the leg wire is fixed on the detonator shell with adhesive tape, a momentary electric detonator can be made. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at solving the problems in the prior art and provides a detonator structure capable of improving the anti-terrorist capability of digital detonator.

[0005] I. The utility model provides a detonator structure capable of improving the anti-terrorist capability of digital detonator, which comprises a detonator shell and further comprises:

[0006] A steel pipe is inserted into the inside of the detonator shell.

[0007] A digital delay body is inserted into the inside of the detonator shell and located above the steel pipe.

[0008] A port plastic plug is integrally fixed to the top of the digital delay body and located at the inside top of the detonator shell. After the port plastic plug is inserted into the detonator shell, the outside wall of the detonator shell is clamped by the toothed circular clamp to make it deform synchronously with the port plastic plug to form a closed port.

[0009] An electric ignition head is installed at the bottom of the digital delay body.

[0010] Explosive filled between the inside of the steel tube and the bottom of the detonator shell, the electric match head is used to ignite the explosive;

[0011] Flame-retardant material filled in the inside of the steel tube, above the explosive and below the digital delay element, used to isolate the explosive below the steel tube;

[0012] Foot line installed on the top of the mouth plastic plug, connecting the digital delay element.

[0013] Preferably, it further comprises:

[0014] Waist plastic plug fixed to the bottom of the digital delay element, and the waist plastic plug is against the top of the steel tube, after the waist plastic plug is inserted into the detonator shell, the outer wall of the detonator shell is clamped by the toothed round clamp to make it synchronous deformation with the waist plastic plug to form a waist.

[0015] Preferably, the filling mass of the flame-retardant material is 0.10-0.20g, the particle size is 0.1-0.15mm, and the filling height is 7mm.

[0016] Preferably, the color and particle size of the flame-retardant material are similar to those of the explosive.

[0017] Preferably, the explosive comprises:

[0018] First layer of explosive and second layer of explosive, the first layer of explosive and the second layer of explosive are filled in the inside of the steel tube in turn, and the second layer of explosive below leaves a 2-3mm deep cavity between the bottom of the steel tube after slight compaction;

[0019] Loose third layer of explosive and compacted fourth layer of explosive, the third layer of explosive and the fourth layer of explosive are filled in the bottom of the detonator shell in turn, and the top part of the third layer of explosive above fills into the cavity of the bottom of the steel tube when it is extruded by the insertion of the steel tube.

[0020] Preferably, the explosive further comprises:

[0021] The first layer of explosive, the second layer of explosive, and the third layer of explosive are all TAIAN;

[0022] The fourth layer of explosive is one of RDX or TAIAN.

[0023] Preferably, the flame-retardant material comprises:

[0024] Quartz sand contained in the inside of the steel tube, the quartz sand is between the explosive and the bottom of the waist plastic plug, and the electric match head is below the quartz sand.

[0025] Preferably, the explosive further comprises:

[0026] The loading mass of the first layer explosive and the second layer explosive is 0.15-0.30g;

[0027] The loading mass of the third layer explosive is 0.20-0.40g, and the loading density is 1.1-1.2g / cm 3 ;

[0028] The loading mass of the fourth layer explosive is 0.20-0.40g, and the loading density is about 1.3g / cm 3 ;

[0029] The loading density of the first layer explosive, the second layer explosive, the third layer explosive and the fourth layer explosive gradually increases.

[0030] Preferably, the explosive further comprises:

[0031] The total loading mass of the first layer explosive, the second layer explosive, the third layer explosive and the fourth layer explosive is 0.86-1.0g.

[0032] II. The production technology of the detonator structure capable of improving the anti-terrorism capability of the digital detonator, which comprises the following steps:

[0033] Step one, insert the electric ignition head into a steel pipe with a length of about 30-45mm, an outer diameter of 6mm and an inner diameter of 4-4.5mm, assemble with the digital delay body, wrap the joint of the digital delay body and the steel pipe with adhesive tape to make them into one, then turn them upside down, make the opening at the bottom of the steel pipe face upward, and then put the fire-retardant material into the opening and shake;

[0034] Step two, put the first layer explosive and the second layer explosive with the same mass into the steel pipe for two times, after each time of loading, press the explosive with a flat punch until the steel pipe is filled with the explosive, after the last time of pressing, because the explosive moves downward with the punch, the opening at the bottom of the steel pipe will have a cavity, at this time, the loading into the steel pipe is completed;

[0035] Step three, put the fourth layer explosive into the detonator shell, press it with a steel punch as the bottom loading of the detonator shell, and then put the third layer explosive with the same mass;

[0036] Step four, turn over the steel pipe with the explosive, push it into the detonator shell with the opening at the bottom of the steel pipe facing downward, make the loose third layer explosive in the detonator shell into the cavity and the opening at the bottom of the steel pipe, that is, the production is completed.

[0037] Compared with the prior art, the utility model has the following beneficial effects:

[0038] This invention improves the anti-counterfeiting capability of existing digital detonators by incorporating steel pipes and flame-retardant materials, thus enhancing their anti-terrorism capabilities. Because the electric ignition head is housed within a thick-walled steel pipe, it is less prone to explosion when subjected to compression or impact, making it safer. Furthermore, this detonator contains no initiating explosive or gunpowder, making it a novel type of detonator without initiating explosives, ensuring a safer production process, and the detonator itself has strong impact resistance. Attached Figure Description

[0039] Figure 1 This is a schematic diagram of the overall structure of Embodiment 1 of this utility model.

[0040] Figure 2 This is a schematic diagram of the overall structure of Embodiment 2 of this utility model.

[0041] Figure 3 This is a schematic diagram of the connection structure between the electric ignition head and the digital delay body of this utility model.

[0042] Figure 4 This is a schematic diagram of the production technology process of this utility model;

[0043] Figure 5 This is a schematic diagram of the structure of a conventional detonator.

[0044] In the diagram: 1. Lead wire; 2. Mouth plastic plug; 3. Detonator shell; 4. Digital delay body; 5. Waist plastic plug; 6. Waist tapering; 7. Steel pipe; 8. Quartz sand; 9. Electric ignition head; 10. First layer of explosive; 11. Second layer of explosive; 12. Third layer of explosive; 13. Fourth layer of explosive; 14. Mouth tapering; 15. Reinforcing cap; 16. Detonating charge; 17. High explosive. Detailed Implementation

[0045] The following description is intended to illustrate the present invention and enable those skilled in the art to implement it. The preferred embodiments described below are merely examples, and other obvious variations will be conceived by those skilled in the art, which are also within the scope of protection of the present invention.

[0046] Example 1

[0047] like Figure 1 The detonator structure shown can improve the anti-terrorism capability of digital detonators, including a detonator shell 3, and further including:

[0048] The steel pipe 7 is inserted inside the detonator shell 3;

[0049] The digital delay element 4 is inserted inside the detonator housing 3 and located above the steel pipe 7;

[0050] The mouth plastic plug 2 is integrally fixed to the top of the digital delay body 4 and is located at the inner top of the detonator shell 3. After the mouth plastic plug 2 is inserted into the detonator shell 3, the outer wall of the detonator shell 3 is clamped by the toothed circular clamp to make it synchronously deform with the mouth plastic plug 2 to form the closing opening 14.

[0051] The electric ignition head 9 is installed at the bottom of the digital delay body 4.

[0052] The explosive is filled between the inside of the steel pipe 7 and the bottom of the detonator shell 3, and the electric ignition head 9 is used to ignite the explosive.

[0053] The fire-retardant material is filled in the inside of the steel pipe 7, is located above the explosive, and is located below the digital delay body 4, and is used to isolate the explosive below the steel pipe 7.

[0054] The foot line 1 is installed at the top of the mouth plastic plug 2 and is connected to the digital delay body 4.

[0055] The specific production technology of Example 1 is as follows:

[0056] A production technology of a detonator structure capable of improving the anti-terrorism capability of a digital detonator is used to produce the detonator structure capable of improving the anti-terrorism capability of the digital detonator in Example 1, and the production technology comprises the following steps:

[0057] Step one, insert the electric ignition head 9 into a steel pipe 7 with a length of about 30-45 mm (which can be specifically set to 30 mm), an outer diameter of 6 mm, and an inner diameter of 4-4.5 mm (which can be specifically set to 4 mm), and assemble it with the digital delay body 4. Wrap the combination part of the digital delay body 4 and the steel pipe 7 (wherein the top of the digital delay body 4 is fixed with the mouth plastic plug 2) with adhesive tape to make them into one body. After the steel pipe 7 and the electric ignition head 9 are connected, turn the steel pipe 7 upside down so that the opening at the bottom of the steel pipe 7 faces upwards. Through this opening, first fill the fire-retardant material (which can be specifically white quartz sand) with fineness and color similar to the explosive filled in the lower part of the steel pipe with a filling mass of 0.10-0.20 g. Then shake to make the white quartz sand dense and free of cavities in the steel pipe, and the filling height of the fire-retardant material is about 7 mm.

[0058] Step two, fill the first layer of explosive 10 and the second layer of explosive 11 with the same mass into the steel pipe in two times (for example, fill 0.15-0.30 g of Tai'an explosive into the steel pipe in two times, i.e., fill the first layer of explosive 10 and the second layer of explosive 11 in two times). After each filling, use a flat punch to compact the explosive until the steel pipe 7 is filled with explosive. After the last time of compacting the explosive, because the explosive moves downward with the punch, there will be a cavity with a depth of about 2-3 mm at the opening at the bottom of the steel pipe 7. At this time, the filling of the explosive into the steel pipe 7 is completed.

[0059] Step three, fill the fourth layer explosive 13 (for example, fill RDX or TNT 0.20-0.40g) into the detonator shell 3, and press it with steel punch to the density of 1.1-1.3g / cm 3 , as the bottom charge of the detonator shell 3, fill the same mass of the third layer explosive 12 (for example, fill RDX or TNT 0.20-0.40g) into it again;

[0060] Step four, reverse the steel pipe 7 filled with explosive, push the bottom of the steel pipe 7 into the detonator shell 3 with the bottom opening downward, so that the loose third layer explosive 12 in the detonator shell 3 is squeezed into the cavity and the closing 14 at the bottom of the steel pipe 7, thus the digital detonator with strong anti-terror function of the present application is prepared, and the total mass of explosive filled in each detonator is about 0.86-1.0g.

[0061] In the prior art, as shown in the digital detonator, Figure 5 which is composed of a leg wire 1, a mouth plastic plug 2, a detonator shell 3, a digital delay body 4, an electric ignition head 9, a closing 14, a reinforcing cap 15, a primary explosive 16 and a high explosive 17, compared with the electric detonator and the lead detonating cord detonator produced in the past, the digital delay detonator in the prior art can not only improve the blasting quality, but also improve the anti-terror ability of the detonator, however, if a hacksaw or a file is used to cut off the detonator above the reinforcing cap of the digital detonator, or the mouth of the detonator is peeled off, the digital delay element and the electric ignition head are taken out, a lead fuse is fixed on the reinforcing cap with adhesive tape, or a fire wick is wrapped with soft paper, a fire stick is rolled, a fire stick detonator can be prepared, because the primary explosive or the ignition explosive with high flame sensitivity is below the reinforcing cap. If a pair of scissors is used to cut off the electric ignition head from the lower part of the taken-out digital delay body, the two legs of the electric ignition head are welded with the leg wire of the detonator, and the electric ignition head is inserted into the detonator shell to be close to the reinforcing cap, the leg wire is fixed on the detonator shell with adhesive tape, a momentary electric detonator can be prepared.

[0062] The scheme of the present embodiment can solve the above problems, the use method of the detonator in the present embodiment is the same as that of the digital detonator produced in China at present, in addition to all the performances of the original design digital detonator, the anti-terror function is enhanced, and the specific embodiments are as follows:

[0063] 1. Once someone steals the digital detonator with the structure, if he uses pliers to damage the closing 14, Figure 1 take out the digital delay body 4 and the electric ignition head 9, and insert a lead fuse or a fire stick on the upper part of the steel pipe 7, because the upper part of the steel pipe 7 is quartz sand 8, even if the explosive below the quartz sand 8 is ignited, the explosive combustion gas will be sprayed out from the upper part of the steel pipe 7, the combustion pressure is reduced, the explosive in the steel pipe 7 cannot be burned to deflagration, and the detonator cannot detonate the explosive to be detonated;

[0064] 2. If he cuts off the electric match head 9 from the lower end of the digital delay device 4, and then welds the two wires on the electric match head 9 with the detonator lead, makes an electric match head 9 with a lead, and inserts it into the steel tube 7, it will also not be able to detonate the detonator for the following reasons: Figure 1

[0065] (1) The quartz sand 8 at the upper end of the steel tube 7 will be pushed into the explosive by the electric match head 9, making it difficult to ignite the explosive next to the electric match head 9;

[0066] (2) During the process of inserting the electric match head 9 into the steel tube 7, the electric match head 9 will be broken due to the obstruction of the explosive particles, and the bridge wire may also be disconnected, so that when the detonator is powered to detonate, the electric match head 9 cannot be ignited;

[0067] (3) Even if he does not load the mixture of quartz sand 8 and explosive poured out of the steel tube 7, but only loads the explosive obtained by disassembling a few detonators, using the same process as the production technology, first insert the electric match head 9 into the steel tube 7, reverse the steel tube 7, so that the lower end of the steel tube 7 is upward, load the explosive in several times, and then insert the steel tube 7 into the detonator shell 3, it will also not be able to burn and transform into detonation because there is no plastic plug to block the upper end of the steel tube 7, and the electric match head 9 and the explosive combustion gas will leak from there.

[0068] Example 2

[0069] As shown in Figure 2 , as a further improved optional embodiment, example 2 further comprises:

[0070] a waist plastic plug 5 integrally fixed to the bottom of the digital delay device 4, and the waist plastic plug 5 abuts against the top of the steel tube 7, after the waist plastic plug 5 is inserted into the detonator shell 3, the outer wall of the detonator shell 3 is clamped by the toothed circular clamp to make it and the waist plastic plug 5 synchronous deformation to form the waist 6.

[0071] The specific production technology of example 2 is as follows:

[0072] Based on the production technology of a detonator structure capable of improving the anti-terrorism capability of digital detonator as shown in Figure 4 , steps one and four of the production technology are adjusted, specifically:

[0073] Step one, cut off the electric match head 9 ( Figure 3 ​A steel pipe 7 with a length of about 30-45mm (specifically set to 30mm), an outer diameter of 6mm, and an inner diameter of 4-4.5mm (specifically set to 4mm) is inserted into the digital delay body 4 specially made with a top fixed with a mouth plastic plug 2 and a bottom fixed with a waist plastic plug 5. The combination part of the waist plastic plug 5 and the steel pipe 7 is wrapped with adhesive tape to make them into one, and then it is reversed so that the bottom opening of the steel pipe 7 faces upward, and then the flame-retardant material is loaded into the steel pipe 7 through the opening and vibrated.

[0074] Step four, the steel pipe 7 loaded with explosives is reversed, and the bottom opening of the steel pipe 7 is pushed into the detonator shell 3 so that the loose third layer of explosives 12 in the detonator shell 3 is squeezed into the cavity at the bottom of the steel pipe 7 and the waist 6 and the mouth 14, thereby manufacturing the non-primary explosive digital detonator with strong anti-terrorism function, and the total mass of the explosive loaded in each detonator is about 0.86-1.0g.

[0075] The remaining steps are the same as those in Example 1, thereby manufacturing the non-primary explosive digital detonator with stronger anti-terrorism function in this example, which has a waist plastic plug 5 at the bottom of the digital delay body 4.

[0076] In this example, by increasing the setting of the waist plastic plug 5, the anti-terrorism ability of the designed detonator is further enhanced on the basis of the anti-terrorism function of Example 1. Because the electric ignition head 9 must be damaged to be taken out, the top of the steel pipe 7 cannot be reliably sealed, and the explosive combustion gas will be sprayed out of the top opening of the steel pipe 7, thereby reducing the combustion pressure. When the fuse or electric ignition head 9 ignites the explosive, the combustion gas will leak, causing the explosive in the steel pipe 7 to be unable to reliably seal the top opening of the steel pipe 7, and the combustion will be converted to detonation.

[0077] Example 3

[0078] As an optional example, on the basis of Example 1 and Example 2, the flame-retardant material in Example 1 and Example 2 is specifically selected, and the color and particle size of the flame-retardant material and the explosive are similar. By setting the color and fineness of the flame-retardant material and the explosive to be similar, the flame-retardant material and the explosive cannot be completely distinguished. If the detonator shell 3 with the electric ignition head 9 extracted is placed with the mouth downward, the flame-retardant material and the explosive are poured out and mixed together, and then the mixture is reloaded into the steel pipe 7, the mixture cannot be converted from combustion to detonation.

[0079] The flame-retardant material can be quartz sand 8. The quartz sand 8 is contained in the inside of the steel pipe 7, and the quartz sand 8 is located between the explosive and the bottom of the waist plastic plug 5. The electric ignition head 9 is located below the quartz sand 8.

[0080] Example 4

[0081] As an optional example, on the basis of Example 1 and Example 2, the explosive in Example 1 and Example 2 specifically includes:

[0082] The first layer of explosive 10 and the second layer of explosive 11 are sequentially filled in the bottom of the steel pipe 7, and the second layer of explosive 11 located below leaves a cavity with a depth of 2-3mm between the bottom of the steel pipe 7 after slight compaction;

[0083] The loose third layer of explosive 12 and the compacted fourth layer of explosive 13 are sequentially filled in the bottom of the detonator shell 3, and the top portion of the third layer of explosive 12 located above fills into the cavity in the bottom of the steel pipe 7 and the necking 6 and the necking 14 when being extruded by the insertion of the steel pipe 7;

[0084] The first layer of explosive 10 and the second layer of explosive 11 and the third layer of explosive 12 are all TAIAN;

[0085] The fourth layer of explosive 13 is one of RDX or TAIAN;

[0086] The filling mass of the first layer of explosive 10 and the second layer of explosive 11 is 0.15-0.30g;

[0087] The filling mass of the third layer of explosive 12 is 0.20-0.40g, and the filling density is 1.1-1.2g / cm 3 ;

[0088] The filling mass of the fourth layer of explosive 13 is 0.20-0.40g, and the filling density is about 1.3g / cm 3 ;

[0089] The filling densities of the first layer of explosive 10 and the second layer of explosive 11, the third layer of explosive 12 and the fourth layer of explosive 13 gradually increase;

[0090] The total filling mass of the first layer of explosive 10, the second layer of explosive 11, the third layer of explosive 12 and the fourth layer of explosive 13 is 0.86-1.0g.

[0091] In conclusion, the detonator in the utility model can perforate a 5mm thick lead plate with a diameter of about 11mm and can detonate three levels of mine permissible emulsion explosive through experimental detection. The detonator in the utility model is assembled and arranged with the steel pipe 7 and the fire-retardant material, thereby improving the anti-reloading capacity of the existing digital detonator, i.e. improving the anti-terrorism capacity. Since the electric ignition head 9 is mounted in the thick-walled steel pipe 7, the detonator is not easy to explode when being extruded and impacted, and is safer; secondly, the detonator is a new type of non-primary explosive detonator without primary explosive and gunpowder, and the production process is safe.

[0092] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. A detonator structure capable of improving the anti-terrorism capability of a digital detonator, comprising a detonator shell (3), characterized in that, Also comprising: a steel tube (7) inserted into the inside of the detonator shell (3); a digital delay body (4) inserted into the inside of the detonator shell (3) and located above the steel tube (7); a mouth plastic plug (2) integrally fixed to the top of the digital delay body (4) and located at the inside top of the detonator shell (3), after the mouth plastic plug (2) is inserted into the detonator shell (3), the outside wall of the detonator shell (3) is clamped by a toothed circular clamp to make it synchronously deform with the mouth plastic plug (2) to form a mouth (14); an electric ignition head (9) installed at the bottom of the digital delay body (4); an explosive filled between the inside of the steel tube (7) and the bottom of the detonator shell (3), the electric ignition head (9) is used to ignite the explosive; a fire-retardant material filled in the inside of the steel tube (7) and located above the explosive and below the digital delay body (4) to isolate the explosive below the steel tube (7); a leg wire (1) installed at the top of the mouth plastic plug (2) and connected with the digital delay body (4).

2. The detonator structure capable of improving the anti-terrorism capability of a digital detonator according to claim 1, characterized in that, Also comprising: a waist plastic plug (5) integrally fixed to the bottom of the digital delay body (4) and abutting against the top of the steel tube (7), after the waist plastic plug (5) is inserted into the detonator shell (3), the outside wall of the detonator shell (3) is clamped by a toothed circular clamp to make it synchronously deform with the waist plastic plug (5) to form a waist (6).

3. The detonator structure capable of improving the anti-terrorism capability of a digital detonator according to claim 2, characterized in that, The filling mass of the fire-retardant material is 0.10-0.20g, the particle size is 0.1-0.15mm, and the filling height is 7mm.

4. The detonator structure capable of improving the anti-terrorism capability of a digital detonator according to claim 3, characterized in that, The color and particle size of the fire-retardant material and the explosive are similar.

5. The detonator structure capable of improving the anti-terrorism capability of a digital detonator according to claim 3, characterized in that, The explosive comprises: a first layer of explosive (10) and a second layer of explosive (11), the first layer of explosive (10) and the second layer of explosive (11) are sequentially filled in the inside bottom of the steel tube (7), and the second layer of explosive (11) located below leaves a 2-3mm deep cavity between the bottom of the steel tube (7) after slight compaction; a loose third layer of explosive (12) and a compacted fourth layer of explosive (13), the third layer of explosive (12) and the fourth layer of explosive (13) are sequentially filled in the bottom of the detonator shell (3), and the top part of the third layer of explosive (12) located above fills into the cavity at the bottom of the steel tube (7) when being extruded by the insertion of the steel tube (7).

6. The detonator structure capable of improving the anti-terrorism capability of a digital detonator according to claim 5, characterized in that, The explosive further comprises: the first layer of explosive (10) and the second layer of explosive (11), and the third layer of explosive (12) are all TAIAN; the fourth layer of explosive (13) is one of black powder and TAIAN.

7. The detonator structure capable of improving the anti-terrorism capability of a digital detonator according to claim 6, characterized in that, The fire-retardant material comprises: quartz sand (8) contained in the inside of the steel tube (7), the quartz sand (8) is located between the explosive and the bottom of the waist plastic plug (5), and the electric ignition head (9) is located below the quartz sand (8).

8. The detonator structure capable of improving the anti-terrorism capability of a digital detonator according to claim 5, characterized in that, The explosive further comprises: the filling mass of the first layer of explosive (10) and the second layer of explosive (11) is 0.15-0.30g; The third layer explosive (12) has a loading mass of 0.20-0.40 g and a loading density of 1.1-1.2 g / cm 3 ; The fourth layer explosive (13) has a loading mass of 0.20-0.40 g and a loading density of about 1.3 g / cm 3 ; The filling density of the first layer of explosive (10) and the second layer of explosive (11), the third layer of explosive (12), and the fourth layer of explosive (13) gradually increases.

9. The detonator structure capable of improving the anti-terrorism capability of a digital detonator according to claim 8, characterized in that, The explosive further comprises: The total filling mass of the first layer of explosive (10), the second layer of explosive (11), the third layer of explosive (12), and the fourth layer of explosive (13) is 0.86-1.0 g.

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