CN214250759U - Detonation safety device - Google Patents

Abstract

The utility model discloses a detonation safety device, which comprises a detonation tube, a sub-control chip, a sub-signal transceiver and a detonation heating wire, the air cock, the timer, the detonator shell, power supply battery and remote control end, the detonator divide into both ends and is ignition end and detonation end respectively, connect through the barrier film between ignition end and the detonation end, the inside of ignition end is equipped with the ignition heating wire, the end that ignites the heating wire is equipped with priming powder, the inside packing of ignition end has high-pressure gas, the top air cock of ignition end, the inside of detonation end is equipped with powder, sub-signal transceiver is connected with sub-control chip input, sub-control chip's output is connected the timer, the timer is connected with the ignition heating wire, the remote control end is equipped with main control unit and main signal transceiver, main signal transceiver and sub-signal transceiver wireless communication, detonator shell bottom is inside to be equipped with the explosive storehouse, the detonation end bottom of detonator lets in the powder inside of explosive storehouse. The utility model discloses the probability of detonating is high, and it is effectual to prevent the mistake safely and touch.

Description

Detonation safety device

Technical Field

The utility model relates to a mechanical component technical field particularly, relates to a detonation safety device.

Background

The detonator is the main initiation material in blasting engineering and has the function of generating initiation energy to detonate various explosives, detonating cord and detonating tube. The detonators are divided into fire detonators and electric detonators. The underground coal mine adopts electric detonators. The electric detonator is divided into an instantaneous electric detonator and a delayed electric detonator. The delay electric detonators are divided into second delay electric detonators and millisecond delay electric detonators.

The safety hazard that the mis-start explosion occurs in the conventional detonator initiating device, the detonation is realized by heating the initiating explosive by the heating wire and then igniting the gunpowder in the gunpowder bin in the conventional detonator initiating device, the initiation efficiency is low, and the phenomenon that the initiating explosive cannot ignite the gunpowder in the gunpowder bin is easy to occur.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a explode safeties to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a detonation safety device comprises a detonation tube, a sub-control chip, a sub-signal transceiver, a detonation heating wire, an air nozzle, a timer, a detonator shell, a power supply battery and a remote control end, wherein the detonation tube, the sub-control chip, the sub-signal transceiver, the detonation heating wire, the power supply battery and the timer are all arranged in the detonator shell, the detonation tube is divided into an ignition end and a detonation end which are respectively arranged at two ends, the ignition end and the detonation end are connected through an isolation film, the isolation film is a metal film with the thickness of 4-8mm, the detonation heating wire is arranged in the ignition end, detonation gunpowder is arranged at the tail end of the detonation heating wire, high-pressure gas is filled in the ignition end, the air nozzle penetrating through the detonator shell to the outer side is arranged at the top of the ignition end, a safety valve is arranged on the air nozzle, gunpowder is arranged in the detonation end, and the sub-signal transceiver is connected with the input end of the sub-control chip, the output end of the sub-control chip is connected with a timer, the timer is connected with the detonating heating wire, the remote control end is provided with a main controller and a main signal transceiver connected with the main controller, the main signal transceiver is in wireless communication with the sub-signal transceiver, a gunpowder bin is arranged inside the bottom end of an inner cavity of the detonator shell, gunpowder is arranged inside the gunpowder bin, and the bottom of the detonating end of the detonating tube is introduced into the gunpowder of the gunpowder bin.

Further, the number of the detonating heating wires is 2 and all extend to the inside of the igniting end.

Furthermore, a protection block is arranged inside the detonator shell to isolate the explosive bin independently.

Furthermore, a power supply battery connected with the sub-control chip, the sub-signal transceiver, the detonating heating wire and the timer is arranged at the upper part of the inner cavity of the detonator shell.

Further, the housing of the firing tip is made of a high strength, explosion proof material.

Furthermore, the protection block is a copper block with polystyrene wrapped on the outer surface.

Furthermore, the explosive bin is conical, the conical degree of the explosive bin is 1: 15, and the distance from the bottom end of the detonating tube to the bottom end of the explosive bin is not more than half of the height of the explosive bin.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model provides a pair of detonation safeties change the mode of detonating of traditional detonator, ignite and break through the barrier film and ignite the powder that the initiating terminal was lighted under the condition of initiating powder through the heating wire heating through high-pressure gas and make the powder detonation of explosive storehouse, detonation efficiency is high, thereby high-pressure gas adopts the on-the-spot gas filled mode of blasting to avoid the detonator to trigger the heating wire by mistake in storage and transportation and arouse the potential safety hazard of damage or explosion, detonation safeties through remote control delay blasting and adopt totally enclosed construction to increase the security, the probability that sets up of two initiating heating wires increased and detonate.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic diagram of a detonation fuse, according to an embodiment of the invention.

Fig. 2 is a schematic diagram of a remote end of a detonation fuse, according to an embodiment of the invention.

Reference numerals:

1. initiating a tube; 2. a sub-control chip; 3. a sub-signal transceiver; 4. igniting the heating wire; 5. an ignition end; 6. a detonating end; 7. an air tap; 8. a timer; 9. a power supply battery; 10. a remote control end; 11. an isolation film; 12. initiating gunpowder; 13. a protection block; 14. a detonator shell; 15. a fire bin; 16. a primary signal transceiver; 17. and a main controller.

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments:

in the description of the present invention, it should be noted that the terms "top", "bottom", "one side", "the other side", "front", "back", "middle part", "inside", "top", "bottom", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of description and simplification of the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-2, an ignition safety device according to an embodiment of the present invention includes an ignition tube 1, a sub-control chip 2, a sub-signal transceiver 3, an ignition heating wire 4, an air faucet 7, a timer 8, a detonator shell 14, a power supply battery 9 and a remote control terminal 10, wherein the ignition tube 1, the sub-control chip 2, the sub-signal transceiver 3, the ignition heating wire 4, the power supply battery 9 and the timer 8 are all disposed inside the detonator shell 14, the ignition tube 1 is divided into an ignition end 5 and an ignition end 6 at two ends, the ignition end 5 and the ignition end 6 are connected through an isolation film 11, the isolation film 11 is a metal film with a thickness of 4-8mm, the ignition heating wire 4 is disposed inside the ignition end 5, a priming powder 12 is disposed at the end of the ignition heating wire 4, and a high-pressure gas is filled inside the ignition end 5, the ignition end 5 is provided with an air tap 7 penetrating through a detonator shell 14 to the outer side of the detonator shell, the air tap 7 is provided with a safety valve, gunpowder is arranged inside an initiating end 6, the sub-signal transceiver 3 is connected with the input end of the sub-control chip 2, the output end of the sub-control chip 2 is connected with a timer 8, the timer 8 is connected with the igniting electric heating wire 4, the remote control end 10 is provided with a main controller 17 and a main signal transceiver 16 connected with the main controller 17, the main signal transceiver 16 is in wireless communication with the sub-signal transceiver 3, a gunpowder bin 15 is arranged inside the bottom end of an inner cavity of the detonator shell 14, gunpowder is arranged inside the gunpowder bin 15, and the bottom of the initiating end of the initiating pipe 1 is communicated with the inside of the gunpowder bin 15.

Through the above technical scheme of the utility model, the quantity that detonates heating wire 4 is 2 and all extends to the inside of ignition end 5.

Through the above technical scheme of the utility model, the inside of detonator shell 14 is equipped with protection block 13 will the explosive storehouse 15 is kept apart alone.

Through the above technical scheme of the utility model, the inner chamber upper portion of detonator shell 14 is equipped with the power supply battery 9 who is connected with sub-control chip 2, sub-signal transceiver 3, detonating heating wire 4 and timer 8.

Through the above technical scheme of the utility model, the shell of ignition end 5 is made by high strength explosion-proof material and is avoided when its interior high-pressure gas ignites to break through this part and do not break through barrier film 11 and cause the detonation failure, and 6 shells of initiation end are comparatively fragile can realize firing 15 gunpowders in explosive storehouse to its detonation point.

Through the above technical scheme of the utility model, protection piece 13 has polystyrene's copper billet for surface coating.

Through the above technical scheme of the utility model, the explosive storehouse 15 is the toper, and its tapering is 1: 15, and the bottom of detonator 1 is apart from the bottom of explosive storehouse 15 and is not more than the reliability of the half assurance explosion of explosive storehouse 15 height.

When the device is applied specifically, a main controller 17 of a remote control end 10 sends an ignition command, the main controller 17 wirelessly communicates with a sub-signal transceiver 3 through a main signal transceiver 16 to transmit signals to a sub-control chip 2, the sub-control chip 2 controls a timer 8 to regularly open an ignition heating wire 4, the ignition heating wire 4 ignites the ignition powder 12 when heating, the ignition powder 12 cannot break an isolating membrane 11 when the ignition powder 12 is small in dosage, the risk of ignition and explosion of the ignition powder 12 caused by mistaken triggering in the storage and transportation processes is avoided, the device is installed on a blasting site, high-pressure gas is filled into an ignition end 5 from an air nozzle 7, the high-pressure gas is ignited under the condition that the ignition powder is heated by the heating wire and ignited, the isolating membrane is broken to ignite the powder at the ignition end, so that the powder in a powder bin is detonated, and the safety device is increased through remote control delay and full-closed, the arrangement of the double-detonating heating wire 4 increases the detonation probability, and the combination of the detonating heating wire 4, the high-pressure gas and the detonating powder 12 increases the probability of igniting the powder in the detonating end 6 by detonation, so that the internal powder in the explosive bin 15 is ignited to realize the detonation effect of the detonator.

In summary, the following steps: the utility model provides a pair of detonation fuse changes the mode of detonating of traditional detonator, ignite and break through the barrier film and ignite the powder that the initiating terminal was lighted under the condition of initiating powder through the heating wire heating through high-pressure gas and make the powder detonation of explosive storehouse, detonation efficiency is high, thereby high-pressure gas adopts the on-the-spot gas filled mode of blasting to avoid the detonator to trigger the heating wire by mistake in storage and transportation and arouse the potential safety hazard of damage or explosion, detonation fuse passes through remote control time delay blasting and adopts totally enclosed construction to increase the security, the setting up of two initiating heating wires increases the probability of detonating, be worth promoting.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. 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 (7)

1. A detonation safety device is characterized by comprising a detonation tube (1), a sub-control chip (2), a sub-signal transceiver (3), a detonation heating wire (4), an air tap (7), a timer (8), a detonator shell (14), a power supply battery (9) and a remote control end (10), wherein the detonation tube (1), the sub-control chip (2), the sub-signal transceiver (3), the detonation heating wire (4), the power supply battery (9) and the timer (8) are all arranged in the detonator shell (14), the detonation tube (1) is divided into two ends, namely a firing end (5) and a detonation end (6), the firing end (5) and the detonation end (6) are connected through an isolating membrane (11), the isolating membrane (11) is a metal membrane with the thickness of 4-8mm, the detonation heating wire (4) is arranged in the firing end (5), the ignition device is characterized in that the tail end of the ignition electric heating wire (4) is provided with ignition powder (12), the ignition end (5) is filled with high-pressure fuel gas, the top of the ignition end (5) is provided with an air tap (7) penetrating through a detonator shell (14) to the outer side of the detonator shell, the air tap (7) is provided with a safety valve, the ignition end (6) is internally provided with powder, the sub-signal transceiver (3) is connected with the input end of the sub-control chip (2), the output end of the sub-control chip (2) is connected with a timer (8), the timer (8) is connected with the ignition electric heating wire (4), the remote control end (10) is provided with a main controller (17) and a main signal transceiver (16) connected with the main controller (17), the main signal transceiver (16) is in wireless communication with the sub-signal transceiver (3), a gunpowder bin (15) is arranged inside the bottom end of the inner cavity of the detonator shell (14), gunpowder is arranged inside the explosive bin (15), and the bottom of the detonating end of the detonating tube (1) is communicated into the gunpowder inside the explosive bin (15).

2. A detonation fuse device according to claim 1, characterised in that the number of detonation heating wires (4) is 2 and each extends inside the ignition end (5).

3. A detonation fuse according to claim 1 characterised in that the inside of the detonator shell (14) is provided with a protective block (13) to isolate the charges compartments (15) individually.

4. A detonation safety device according to claim 1, characterised in that the upper part of the inner cavity of the detonator shell (14) is provided with a power supply battery (9) connected with the sub-control chip (2), the sub-signal transceiver (3), the detonation heating wire (4) and the timer (8).

5. A detonation fuse device according to claim 1, characterised in that the housing of the firing end (5) is made of a high strength explosion proof material.

6. A detonation fuse device according to claim 3 characterised in that the protective block (13) is a copper block with polystyrene wrapped on its outer surface.

7. A detonation fuse arrangement according to claim 1 characterised in that the charge holder (15) is conical with a taper of 1: 15 and the distance from the base end of the detonator (1) to the base end of the charge holder (15) is no more than half the height of the charge holder (15).

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