CN219223514U

CN219223514U - Electronic detonator ignition device structure

Info

Publication number: CN219223514U
Application number: CN202223532658.6U
Authority: CN
Inventors: 霍涛; 李强; 陈龙飞; 于生军
Original assignee: Chongqing Yunming Technology Co ltd
Current assignee: Chongqing Yunming Technology Co ltd
Priority date: 2022-12-29
Filing date: 2022-12-29
Publication date: 2023-06-20
Anticipated expiration: 2032-12-29

Abstract

The utility model discloses an electronic detonator ignition device structure, which comprises a substrate; the upper end of base plate is equipped with and is the metal counter electrode that mirror symmetry placed, is equipped with the clearance between two metal counter electrodes, be equipped with the recess under being located the clearance on the base plate, the ignition charge has been laid to the inside of recess, the upper end of metal counter electrode is equipped with electrically conductive film bridge, its advantage lies in: the ignition powder is placed in the groove, and the upper end of the conductive film bridge is covered by the conductive film bridge, so that the ignition powder is prevented from being exposed, the shock resistance and the shock resistance of the electronic detonator ignition device structure are improved, false explosion caused by friction and static electricity is avoided, and the safety is improved; compared with the traditional metal bridge wire bridge belt type structure, the electronic detonator ignition device structure can greatly reduce the ignition powder consumption; the electrode shape is designed end to end, so that the wire resistance between the metal counter electrodes can be conveniently adjusted, the electric heating area is concentrated, and the energy utilization rate is improved.

Description

Electronic detonator ignition device structure

Technical Field

The utility model relates to the technical field of electronic detonators, in particular to an electronic detonator ignition device structure.

Background

At present, the energy conversion element of the electronic detonator ignition device is a metal bridge wire or a bridge belt, and when the electronic detonator ignition device is used, ignition powder needs to be dipped and wrapped outside the electronic detonator ignition device;

the ignition powder is exposed, is sensitive to friction, static electricity and collision, and can cause false explosion, so that potential safety hazards exist; 2. under the action of external forces such as shock waves, vibration and the like, the powder at the external dew point can be pulverized and fall off to cause ignition failure;

therefore, we propose an electronic detonator ignition device structure

Disclosure of Invention

The utility model aims to solve the problems and provide an electronic detonator ignition device structure which has the advantages of good stability, high safety, raw material saving and the like, and is described in detail below.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides an electronic detonator ignition device structure, which comprises a substrate;

the upper end of base plate is equipped with two with the metal counter electrode of following base plate central line symmetric distribution, is equipped with the clearance between two metal counter electrodes, be equipped with the recess under being located the clearance on the base plate, the ignition powder has been laid to the inside of recess, the upper end of metal counter electrode is equipped with conductive film bridge, conductive film bridge's middle part and ignition powder contact, conductive film bridge's both ends respectively with the upper surface contact of two metal counter electrodes.

Preferably, the metal counter electrode adopts a head-tail structure with a large head and a small tail, the head shape of the metal counter electrode adopts a shape including but not limited to a rectangle, a circle and the like, the tail of the metal counter electrode adopts a shape including but not limited to a rectangle, a sharp triangle, a circle and the like, the tail width of the metal counter electrode ranges from 0.1 mm to 3 mm, the head of the metal counter electrode is larger, the full contact between the conductive film bridge and the metal counter electrode 101 is facilitated, and the contact resistance is reduced; the tail is designed into a narrow strip shape and is used for adjusting the wire resistance and the concentrated ignition energy.

Preferably, the width of the gap is 0.1-0.5 mm.

Preferably, the shape of the groove includes, but is not limited to, a cylinder, a cone, a truncated cone, a cuboid, and the like.

Preferably, the longitudinal width and the gap of the groove are the same, and the transverse width of the groove is 0.3-3 mm.

Preferably, the depth of the groove is 0.2-1 mm.

Preferably, the material of the conductive film bridge includes, but is not limited to, a conductive polymer film, a carbon-based film, an ITO film, a metal nanowire film, and the like.

Preferably, the thickness of the conductive film bridge is 0.1-1 μm.

The utility model has the beneficial effects that:

1. the ignition powder is placed in the groove, and the upper end of the conductive film bridge is covered by the conductive film bridge, so that the ignition powder is prevented from being exposed, the shock resistance and the shock resistance of the electronic detonator ignition device structure are improved, false explosion caused by friction and static electricity is avoided, and the safety is improved;

2. the electrode shape is designed end to end, so that the wire resistance between the metal counter electrodes can be conveniently adjusted, the electric heating area is concentrated, and the energy utilization rate is improved;

3. compared with the traditional metal bridge wire bridge belt type structure, the electronic detonator ignition device structure can greatly reduce the ignition powder consumption by about 5 times.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a front view of the present utility model;

FIG. 2 is a schematic perspective view of the structure of FIG. 1 according to the present utility model;

fig. 3 is a schematic view of a partial perspective cross-sectional structure of fig. 1 according to the present utility model.

The reference numerals are explained as follows:

100. a substrate; 101. a metal counter electrode; 102. a gap; 103. a groove; 104. a conductive film bridge; 105. and (5) igniting the powder.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, based on the examples herein, which are within the scope of the utility model as defined by the claims, will be within the scope of the utility model as defined by the claims.

Referring to fig. 1-3, the present utility model provides an electronic detonator ignition device structure, comprising a substrate 100; the upper end of the substrate 100 is provided with two metal counter electrodes 101 symmetrically distributed along the central line of the substrate 100, the metal counter electrodes 101 are in a head-tail structure with large heads and small tails, the head shapes of the metal counter electrodes 101 are rectangular, circular, semicircular and the like, the tails of the metal counter electrodes 101 are rectangular, sharp triangle, semicircular and the like, the tail width range of the metal counter electrodes 101 is 0.1-3 mm, the heads of the metal counter electrodes are larger, the full contact between a conductive film bridge and the metal counter electrodes 101 is facilitated, and the contact resistance is reduced; the tail is designed into a narrow strip shape and is used for adjusting wire resistance and centralized ignition energy, a gap 102 is arranged between two metal counter electrodes 101, the width of the gap 102 is 0.1-0.5 mm, preferably 0.2-0.4 mm, a groove 103 is arranged right below the gap 102 on a substrate 100, the shape of the groove 103 comprises but is not limited to a cylinder, a cone, a round platform, a cuboid and the like, preferably a cylinder, the longitudinal width of the groove 103 is the same as the gap 102, the transverse width of the groove 103 is 0.3-3 mm, preferably 1-2.5 mm, the depth of the groove 103 is 0.2-1 mm, preferably 0.4-0.8 mm, an ignition agent 105 is paved in the groove 103, a conductive film bridge 104 is arranged at the upper end of the metal counter electrode 101, the conductive film bridge 104 comprises but is not limited to a conductive polymer film, a carbon-based film, an ITO film, a metal nanowire film and the like, the thickness of the conductive film bridge 104 is 0.1-1 mu m, preferably 0.3-0.8 mu m, the middle part of the conductive film bridge 104 and the conductive film bridge 105 are contacted with the two ends of the conductive film bridge 104 on the two metal counter electrodes 101 respectively.

When in use, the substrate 100 is taken as a structural substrate, and the upper end of the substrate is provided with a pair of metal counter electrodes 101 which have the same shape and are arranged in mirror symmetry; pins of the metal counter electrode 101 can penetrate through the substrate 100, corresponding welding points are exposed on the back surface of the circuit board for welding, the metal counter electrode 101 is mounted, the two metal counter electrodes 101 are not in direct contact conduction, a gap 102 is formed in the middle of the metal counter electrode 101, a groove 103 is formed in the middle of the gap 102 on the substrate 100, then an ignition charge 105 is injected into the groove 103, and finally a conductive film bridge 104 is arranged between the two metal counter electrodes 101 to serve as a transduction element, so that the conductive film bridge contacts the two metal counter electrodes 101 and the ignition charge 105 in the middle.

The electronic detonator ignition device structure of the embodiment has the following advantages:

1. the ignition powder 105 is placed in the groove 103, and the upper end of the conductive film bridge 104 is covered by the conductive film bridge 104, so that the ignition powder 105 is prevented from being exposed, the shock resistance and the shock resistance of the electronic detonator ignition device structure are improved, false explosion caused by friction and static electricity is avoided, and the safety is improved;

The foregoing is merely illustrative embodiments of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art can easily think about variations or substitutions within the technical scope of the present utility model, and the utility model should be covered. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims

1. An electronic detonator ignition device structure, which is characterized in that: comprises a substrate (100);

the upper end of base plate (100) is equipped with two metal counter electrodes (101) in order to follow base plate (100) central line symmetric distribution, is equipped with clearance (102) between two metal counter electrodes (101), be equipped with recess (103) directly under being located clearance (102) on base plate (100), ignition powder (105) have been laid to the inside of recess (103), the upper end of metal counter electrode (101) is equipped with conductive film bridge (104), the middle part and the ignition powder (105) contact of conductive film bridge (104), the both ends of conductive film bridge (104) respectively with the upper surface contact of two metal counter electrodes (101).

2. An electronic detonator ignition device structure as claimed in claim 1 wherein: the metal counter electrode (101) adopts a head-tail structure with a large head and a small tail, the head shape of the metal counter electrode (101) adopts a shape including but not limited to a rectangle, a circle and a semicircle, the tail of the metal counter electrode (101) adopts a shape including but not limited to a rectangle, a sharp triangle and a semicircle, and the tail width range of the metal counter electrode (101) is 0.1-3 mm.

3. An electronic detonator ignition device structure as claimed in claim 1 wherein: the width of the gap (102) is 0.1-0.5 mm.

4. An electronic detonator ignition device structure as claimed in claim 1 wherein: the shape of the groove (103) comprises, but is not limited to, a cylinder, a cone, a round table and a cuboid.

5. An electronic detonator ignition device structure as claimed in claim 1 wherein: the longitudinal width of the groove (103) is the same as the gap (102), and the transverse width of the groove (103) is 0.3-3 mm.

6. An electronic detonator ignition device structure as claimed in claim 1 wherein: the depth of the groove (103) is 0.2-1 mm.

7. An electronic detonator ignition device structure as claimed in claim 1 wherein: the material of the conductive film bridge (104) comprises, but is not limited to, a conductive polymer film, a carbon-based film, an ITO film and a metal nanowire film.

8. An electronic detonator ignition device structure as claimed in claim 1 wherein: the thickness of the conductive film bridge (104) is 0.1-1 mu m.