CN218155790U - Electronic detonator - Google Patents

Abstract

The utility model discloses an electronic detonator, solve ordinary detonator ignition and miss-fire, the extravagant scheduling problem of material. An electronic detonator comprises a basic detonator, an electronic control module and an initiator, wherein the basic detonator comprises a tube shell, primary explosive, secondary explosive and primary explosive, the electronic control module comprises a bridge wire and a priming charge, a single chip microcomputer, a voltage change-over switch, a communication module, a bonding pad and an internal leg wire, the bonding pad and the internal leg wire are molded into a whole by injection to form a plastic injection head, and the plastic injection head is fixed on the tube shell through a bayonet and enables the bridge wire and the priming charge to be close to the primary explosive; the detonator comprises a detection circuit and a detonation circuit, wherein the detection circuit comprises a main control chip, a detection signal lamp and a detection button, and the detonation circuit comprises an energy storage signal lamp, an energy storage capacitor, a charging button and a detonation button; and the electronic control module is connected with the detonator sequentially through the bonding pad, the internal leg wire, the detonator leg wire, the blasting bus and the detonator binding post.

Description

Electronic detonator

Technical Field

The utility model belongs to the technical field of the civilian explodes, a electron detonator is related to.

Background

With the popularization and the use of the electronic detonator, the problems of the common electronic detonator are gradually revealed. In the using process of a common detonator, the vibration generated by explosion influences the internal capacitance of the detonator, so that the individual detonator capacitor is de-energized, the detonator fails to ignite, the smooth proceeding of engineering explosion is not facilitated, and potential safety hazards exist; the internal elements of the detonator are destroyed along with the explosion of the detonator, the cost of the internal elements is high, and the internal elements and the detonator are exploded together to cause material waste.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve above-mentioned current technical problem, design an electronic detonator, use the detonator once to explode on line, the detonator is inside need not energy storage electric capacity, does not have the time delay function, and is suitable for the insensitive agent that ignites, reduces production danger, improves product reliability, reduces electronic detonator manufacturing cost, simplifies effects such as electronic control module production technology.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an electronic detonator comprises a basic detonator body, wherein one end of the basic detonator body is closed, the other end of the basic detonator body is provided with an opening, primary charge, secondary charge and initiating explosive are sequentially filled in the closed end of the pipe body, the electronic detonator body further comprises an electronic control module and an initiator, the electronic control module comprises a bridge wire, a priming powder, a single chip microcomputer, a voltage change-over switch, a communication module, a bonding pad and an internal leg wire, the bonding pad and the internal leg wire are molded into a whole through injection to form a plastic injection head, and the plastic injection head is fixed on the pipe body through a bayonet and enables the bridge wire and the priming powder to be close to the initiating explosive; the detonator comprises a detection circuit and a detonation circuit, wherein the detection circuit comprises a main control chip, a detection signal lamp and a detection button, and the detonation circuit comprises an energy storage signal lamp, an energy storage capacitor, a charging button and a detonation button; and the electronic control module is connected with the detonator sequentially through the bonding pad, the internal leg wire, the detonator leg wire, the blasting bus and the detonator binding post.

The utility model discloses detonating energy storage electric capacity in the exploder detects successful back through exploder detection circuitry, but the energy storage that charges, ordinary exploder can't detonate it, must use special exploder can normally detonate, the safety control of being convenient for.

The special detonator firstly detects the detonator circuit, the capacitor is charged after the detection is passed, the switching control switch is judged according to the voltage value of the internal logic circuit, and the electric energy is transmitted through the blasting bus to detonate the detonator.

The single chip microcomputer in the electronic control module is matched with the main control chip of the detection circuit and communicates after being matched, and the voltage change-over switch can be further detonated only after the single chip microcomputer in the electronic control module is successfully matched with the main control chip.

Adopt the utility model discloses behind the scheme, there are following beneficial effect: the electronic control module is separated from the energy storage control module, so that potential safety hazards of accidental explosion of detonators caused by faults of an electronic detonator energy storage system in the production and use processes are avoided; secondly, a insensitive medicament can be adopted, and the electronic control module does not need to be coated with sensitive chemical medicaments, so that the production safety is facilitated; thirdly, energy storage capacitors in the module are reduced, the production cost of the electronic detonator is reduced, the length of the internal module is shortened, and the production safety and automation are facilitated; fourthly, the number of components in the module is reduced, the production process of the module is simplified, and the stability of the module and the electronic detonator is facilitated.

Drawings

Fig. 1 is a schematic diagram of the structure of an electronic detonator of the present invention;

fig. 2 is the circuit schematic diagram of the electronic detonator of the utility model.

The symbols in the figure represent:

1. the device comprises a primary charge 2, a secondary charge 3, an initiating explosive 4, a tube shell 5, a bridge wire and priming charge 6, a single chip microcomputer 7.1, a voltage change-over switch 7.2, a communication module 8, an electronic control module 9, a bonding pad 10, a main control chip 11, an internal leg wire 12, an injection molding rubber head 13, a detonator leg wire 14, a blasting bus 15, an initiator 16, an initiator binding post 17, a detection signal lamp 18.1, an energy storage signal lamp 18.2, an energy storage capacitor 19, a detection button 20, a charging button 21, an initiation button

Detailed Description

As shown in fig. 1, an electronic detonator mainly comprises a basic detonator, an electronic control module 8 and an initiator 15, wherein the basic detonator comprises a tube shell 4, one end of the tube shell 4 is closed, the other end of the tube shell is provided with an opening, and the closed end of the tube shell 4 is sequentially filled with a primary charge 1, a secondary charge 2 and an initiator 3; the electronic control module 8 comprises a bridge wire and fuse powder 5, a single chip microcomputer 6, a voltage change-over switch 7.1, a communication module 7.2, a bonding pad 9 and an internal leg wire 11, wherein the bonding pad 9 and the internal leg wire 11 are integrally injection-molded to form a plastic injection head 12, the plastic injection head 12 is fixed on the tube shell 4 through a bayonet, and the bridge wire and fuse powder 5 are close to the primary explosive 3; as shown in fig. 2, the initiator 15 includes a detection circuit and an initiation circuit, the detection circuit includes a main control chip 10, a detection signal lamp 17 and a detection button 19, and the initiation circuit includes an energy storage signal lamp 18.1, an energy storage capacitor 18.2, a charging button 20 and an initiation button 21; the electronic control module 8 is connected with an initiator 15 sequentially through a bonding pad 9, an internal leg wire 11, a detonator leg wire 13, a blasting bus 14 and an initiator binding post 16.

The detonator 15 internally comprises two working circuits, the detection circuit is used for detecting and matching whether the electronic control module 8 is normal or not, starting the detection switch 19, and detecting that the signal lamp 17 is on after detection; if the detection is not passed, the detection signal lamp 17 is not on, and the voltage change-over switch 7.1 of the electronic control module 8 cannot be started, so that the detonator cannot be detonated; after the detection is passed, the detonation circuit works, the energy storage capacitor 18.2 is charged through the special detonator 15, after the energy charging is finished, the energy storage signal lamp 18.1 is on, the voltage change-over switch 7.1 in the electronic control module is switched to a high-voltage loop, the communication module 7.2 is communicated with the main control chip 10, and the communication module 7.2 closes the detonation switch after receiving a detonation instruction sent by the main control chip 10, so that the detonator is detonated afterwards.

As shown in fig. 2, firstly, low voltage is used for line detection, a detection button 19 is started, a detection signal lamp 17 displays a green light after the detection is passed, and an internal high-voltage charging switch 7.1 is started; and then the charging button 20 is started to perform high-voltage charging, the energy storage signal lamp 18.1 displays a blue lamp to indicate that the charging is finished, and finally, after the initiation button 21 is started, the communication module 7.2 closes the initiation switch after receiving an initiation instruction sent by the main control chip 10, and the energy storage capacitor 18.2 discharges to initiate a detonator.

The single chip microcomputer 6 in the electronic control module 8 is matched with the main control chip 10, communication and subsequent charging of the detonation energy storage capacitor 18.2 can be carried out after matching, and the voltage change-over switch 7.1 can be further detonated only after the communication module 7.2 in the electronic control module 8 is successfully matched with the main control chip 10.

Claims (1)

1. An electronic detonator comprises a basic detonator body (4), wherein one end of the basic detonator body (4) is closed, the other end of the basic detonator body is provided with an opening, and a primary explosive charge (1), a secondary explosive charge (2) and an initiating explosive charge (3) are sequentially filled in the closed end of the pipe body (4), and the electronic detonator is characterized by further comprising an electronic control module (8) and an initiator (15), wherein the electronic control module (8) comprises a bridge wire and an initiating explosive charge (5), a single chip microcomputer (6), a voltage switching switch (7.1), a communication module (7.2), a bonding pad (9) and an internal leg wire (11), the bonding pad (9) and the internal leg wire (11) are molded into a whole through injection to form an injection plastic head (12), and the injection plastic head (12) is fixed on the pipe body (4) through a bayonet and enables the bridge wire and the initiating explosive charge (5) to be close to the initiating explosive charge (3); the detonator (15) internally comprises a detection circuit and a detonation circuit, the detection circuit comprises a main control chip (10), a detection signal lamp (17) and a detection button (19), and the detonation circuit comprises an energy storage signal lamp (18.1), an energy storage capacitor (18.2), a charging button (20) and a detonation button (21); the electronic control module (8) is connected with the initiator (15) sequentially through the bonding pad (9), the internal leg wire (11), the detonator leg wire (13), the blasting bus (14) and the initiator binding post (16).

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