CN217032215U - Electronic control module of electronic detonator - Google Patents
Electronic control module of electronic detonator Download PDFInfo
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- CN217032215U CN217032215U CN202123117567.1U CN202123117567U CN217032215U CN 217032215 U CN217032215 U CN 217032215U CN 202123117567 U CN202123117567 U CN 202123117567U CN 217032215 U CN217032215 U CN 217032215U
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Abstract
The utility model relates to the technical field of civil explosive initiating explosive device manufacturing, and particularly discloses an electronic control module of an electronic detonator. One end of the control circuit board fixing patch lead terminal is also provided with a connecting through hole, and when the lower part of the patch lead terminal is fixed with the control circuit board, the bending lap joint piece of the patch lead terminal is inserted into the connecting through hole and is welded and fixed with the metal connector arranged in the connecting through hole. The utility model improves the structure of the whole module, has high integration level of the module structure and stable mechanical performance, ensures the firmness and stability of the connection between the pin wire terminal and the circuit board, has convenient batch manufacture and assembly of the whole appearance of the module, greatly reduces the assembly difficulty and improves the production efficiency.
Description
Technical Field
The utility model relates to the technical field of civil blasting explosive manufacturing, in particular to an electronic control module of an electronic detonator.
Background
The electronic control module of the electronic detonator mainly comprises a circuit board, an energy storage capacitor and other components (such as a working switch, an integrated control chip and the like) which are connected into a whole, and the electronic detonator and the traditional electric detonator igniter mostly adopt resistance heating to ignite an ignition powder applied on the electronic detonator so as to detonate the detonator. The energy source of the electronic detonator is energy storage capacitor in an electronic control module of the electronic detonator, when the solid capacitor is adopted as the energy storage capacitor at present, a capacitor bonding pad is arranged at one end of a circuit board of the electronic control module of the electronic detonator, a capacitor pin is welded on the capacitor bonding pad, and the capacitor is borne by a capacitor support so as to realize the connection between the capacitor and the circuit board of the control module. This kind of connected mode between electric capacity and the circuit board, not only the processing degree of difficulty is big, the length of whole control module has been lengthened, and the mechanical properties of whole structure is relatively poor, easily causes the disconnection between electric capacity and the control module circuit board at production and use, also can lead to poor stability, insecure when the leg wire passes through electric capacity support and is connected with the circuit board consequently, causes the electronic detonator to refuse to explode, and the whole appearance of module is not convenient for batch manufacturing, assembly, and production efficiency is low.
Disclosure of Invention
The electronic control module of the electronic detonator provided by the embodiment of the utility model is used for solving the problems that the electronic detonator is easy to miss-fire, is inconvenient to manufacture and assemble in batches and has low production efficiency due to the module in the prior art.
The embodiment of the utility model provides an electronic control module of an electronic detonator, which comprises a control circuit board, an energy storage capacitor, a patch pin wire terminal and an ignition piece, wherein the control circuit board is connected with the energy storage capacitor; the patch foot line terminal and the ignition piece are respectively fixed at two ends of the control circuit board; the control circuit board is provided with an accommodating through hole matched with the shape of the energy storage capacitor, one side of the accommodating through hole is provided with a capacitor bonding pad corresponding to a pin of the energy storage capacitor, and the energy storage capacitor is embedded in the accommodating through hole and is fixedly connected with the capacitor bonding pad through the pin of the energy storage capacitor;
one end of the control circuit board, which is used for fixing the patch pin wire terminal, is also provided with a connecting through hole, and a metal connector is fixedly arranged in the connecting through hole; paster leg wire terminal includes paster piece and two leg wire connectors, leg wire connector is including connecting gradually as an organic whole buckle strap, paster portion and leg wire crimping portion, the paster piece is fixed two of parallel arrangement of being separated by patch portion upper portion of leg wire connector, when the lower part of paster portion is fixed with control circuit board, buckle the strap insert connect through-hole and with metal connector welded fastening.
The beneficial effects of the utility model are as follows: the whole energy storage capacitor is embedded in the through hole formed in the control circuit board, the pin of the end of the energy storage capacitor is fixedly connected with the corresponding welding disc, the energy storage capacitor is embedded in the containing through hole and then is positioned on the same horizontal plane with the control circuit board, the structure of the whole module is improved, the integration level of the module structure is high, the mechanical performance is stable, the capacitor and the circuit board are not prone to being broken in the production and use processes, meanwhile, the patch pin wire terminal is used as a connecting part between the module and the pin wire, the tail part of the patch pin wire terminal is provided with a bending lap joint sheet and fixedly connected with the circuit board, the firmness and the stability of connection between the pin wire terminal and the circuit board are ensured, the working performance stability of the electronic detonator is enhanced, the yield is greatly improved, the whole appearance of the module is convenient to manufacture in batches, the assembly is realized, the assembly difficulty is greatly reduced, and the production efficiency is improved.
On the basis of the technical scheme, the utility model can be further improved as follows:
optionally, the metal connector is a metal washer fixedly arranged along the inner wall of the connecting through hole, and the bent overlapping plate of the pin wire connector is inserted into the metal washer and is welded and fixed with the metal washer.
The embodiment of the utility model adopts the above alternatives, and has the following beneficial effects: the bent overlapping sheet at the tail part of the patch foot line terminal is inserted into the metal gasket and is welded and fixed with the metal gasket, so that the stability and firmness of connection between the foot line terminal and the circuit board are greatly enhanced.
Optionally, the accommodating through hole on the control circuit board is arranged at one end close to the ignition piece.
The implementation of the utility model adopts the above alternatives with the following beneficial effects: the holding through hole sets up in the one end that is close to the ignition, has shortened the connection length of wire between energy storage capacitor and the ignition, has practiced thrift control circuit board's space, has reduced the degree of difficulty to whole circuit board overall arrangement, has still avoided the influence of electric current between two connecting wire of energy storage capacitor and ignition to other components and parts, has improved the electronic control module mechanical structure's of whole electronic detonator stability and reliability.
Optionally, the leg wire crimping portion of the leg wire connector is a saw-toothed structure.
Optionally, the sawtooth structure includes a bottom groove and two toothed pressing pieces of an integrally formed structure, the two toothed pressing pieces are respectively located above two sides of the bottom groove, and the two toothed pressing pieces are staggered and do not overlap when being folded to press the leg wire core.
The implementation of the utility model adopts the above alternatives with the following beneficial effects: the leg wire crimping part with the sawtooth structure is firmer and more reliable when the leg wire core is crimped.
Optionally, the control circuit board and the energy storage capacitor embedded in the accommodating through hole are wrapped and sealed into a whole by the insulating sealing piece, and the patch leg wire terminal and the ignition piece are located outside the insulating sealing piece.
The implementation of the utility model adopts the above alternatives with the following beneficial effects: insulating solid sealing member can not only firmly be in the same place with the fixed encapsulation of circuit board with the energy storage electric capacity of embedded in circuit board holding through-hole, can also play the effect of dampproofing, protection to other components and parts that set up on the circuit board, and then has ensured whole control module's working property and mechanical strength.
The above description is only an overview of the technical solutions of the present invention, and the present invention can be implemented in accordance with the content of the description so as to make the technical means of the present invention more clearly understood, and the above and other objects, features, and advantages of the present invention will be more clearly understood.
Drawings
Various additional advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a schematic structural diagram of an electronic control module of an electronic detonator provided in a first embodiment of the present invention, when no energy storage capacitor is provided;
FIG. 2 is a schematic structural diagram of the control circuit board in FIG. 1;
FIG. 3 is a front view of the energy storage capacitor of FIG. 1 after being secured;
FIG. 4 is a top view of FIG. 3;
FIG. 5 is a schematic view of the structure of FIG. 3 after an insulating seal is provided;
fig. 6 is a schematic structural view of the patch lead terminal.
In the figure: 1-control circuit board, 11-accommodating through hole, 12-connecting through hole, 13-metal gasket, 14-pin wire pad, 15-ignition piece pad, 2-chip pin wire terminal, 21-chip block, 22-pin wire connector, 221-pin wire crimping part, A-dentate line pressing piece, B-bottom groove, 222-chip part, 223-discharge spine, 224-bending lapping piece, 3-chip bridge wire ignition piece, 31-bridge wire, 32-bridge wire connector, 321-crimping elbow, 33-plastic sealing block, 4-energy storage capacitor and 5-insulating solid sealing piece.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
Referring to fig. 1 to 6, an embodiment of the present invention provides an electronic control module of an electronic detonator, including a control circuit board 1, an energy storage capacitor 4, a patch pin terminal 2, and an ignition element. The patch pin wire terminal 2 and the ignition piece are respectively fixed at two ends of the control circuit board 1. Control circuit board 1 offers with 4 appearance assorted holding through-holes 11 of energy storage capacitor, and is specific, and holding through-hole 11 is for being located the rectangle through-hole structure between paster leg wire terminal 2 and the ignition (the ignition in this embodiment is paster bridgewire ignition 3), and control circuit board 1 is provided with the electric capacity pad corresponding with energy storage capacitor 4's pin in holding through-hole 11 one side, and energy storage capacitor 4 is embedded in holding through-hole 11 and through its pin and electric capacity pad fixed connection. Whole energy storage capacitor 4 is embedded in the through-hole of seting up on control circuit board 1 to carry out the rigid coupling with the pin and the corresponding pad of 4 ends of energy storage capacitor, improved the structure of whole module, module structure integrated level is high, mechanical properties is stable, and electric capacity and circuit board are difficult for breaking off in production and use.
One end of the fixed patch pin wire terminal 2 of the control circuit board 1 is further provided with a connecting through hole 12, a metal connector is fixedly arranged in the connecting through hole 12, the patch pin wire terminal 2 comprises a patch block 21 and two pin wire connectors 22, the pin wire connectors 22 comprise bent bonding sheets 224 which are sequentially connected into a whole, the patch part 222 and a pin wire crimping part 221, the patch block 21 is fixed on the upper parts of the patch parts 222 of the two pin wire connectors 22 which are arranged in parallel at intervals, the lower parts of the patch parts 222 are fixed with the control circuit board 1, specifically, the lower parts of the patch parts 222 of the pin wire connectors 22 are exposed out of the patch block 21, one end of the control circuit board 1, far away from the energy storage capacitor 4, of the connecting through hole 12 is provided with a pin wire pad 14, the lower parts of the patch parts 222 are fixedly connected with the pin wire pad 14, and meanwhile, the bent bonding sheets 224 are inserted into the connecting through hole 12 and are welded and fixed with the metal connector. Referring to fig. 6, a discharge spike 223 is further disposed between the patch part 222 and the lead wire crimping part 221 of the lead wire connector 22 for discharging static electricity to protect the reliability of the whole module circuit. This embodiment is as the adapting unit between module and the leg wire with paster leg wire terminal 2, and paster leg wire terminal 2's afterbody sets up buckle strap 224 and circuit board fixed connection, has ensured firmness and stability of being connected between leg wire terminal and the control circuit board 1, has strengthened electronic detonator working property's stability, and the yields improves greatly, and the whole appearance of module is convenient for batch manufacturing, assembly, and the assembly degree of difficulty greatly reduced has improved production efficiency.
Referring to fig. 2, in the preferred embodiment of the present invention, the metal connector is a metal washer 13 fixedly disposed along the inner wall of the connecting through hole 12, and the bent strap 224 of the leg wire connector 22 is inserted into the metal washer 13 and is welded to the metal washer 13. The bending lapping plate 224 at the tail part of the patch terminal pin 2 is inserted into the metal gasket 13 and is welded and fixed with the metal gasket 13, so that the stability and firmness of connection between the pin terminal and the circuit board are greatly enhanced.
In order to reduce the difficulty of arranging each component on the whole control circuit board 1, the embodiment of the utility model arranges the accommodating through hole 11 on the control circuit board 1 at one end close to the ignition piece. From this, holding through-hole 11 sets up in the one end that is close to the ignition, has shortened the connection length of wire between energy storage capacitor 4 and the ignition, has practiced thrift control circuit board 1's space, has reduced the degree of difficulty to whole circuit board overall arrangement, has still avoided the influence of electric current between two connecting wire of energy storage capacitor 4 and ignition to other components and parts, has improved the electronic control module mechanical structure's of whole electronic detonator stability and reliability. Specifically, in the embodiment of the present invention, the ignition element is a patch bridge wire 31 ignition element 3, and the bottom of the patch bridge wire 31 ignition element 3 is fixedly connected to an ignition element pad 15 disposed on the control circuit board 1. The patch bridgewire 31 ignition part 3 comprises a bridgewire 31, a plastic sealing block 33 and two bridgewire connectors 32 which are fixed on the plastic sealing block 33 in parallel at intervals, the bottom surface of the bridgewire connector 32 is exposed out of the plastic sealing block 33 and is fixedly connected with the ignition part patch 15, the end of the bridgewire connector 32 extending out of the plastic sealing block 33 is provided with a crimping elbow 321, and two ends of the bridgewire 31 are respectively crimped and fixed in the crimping elbows 321 of the two bridgewire connectors 32 and are welded and fixed with the crimping elbows 321 into a whole so as to eliminate contact resistance between the bridgewire 31 and the bridgewire connector 32.
In the embodiment of the present invention, the leg wire pressing portion 221 of the leg wire connector 22 has a saw-toothed structure. Preferably, the sawtooth structure includes kerve B and two dentate line ball pieces A of integrated into one piece structure, and two dentate line ball pieces A are located kerve both sides top respectively, and stagger not overlapping when two dentate line ball pieces A fifty percent discount crimping leg wire core, firm reliable when crimping leg wire core.
Referring to fig. 5, in the embodiment of the present invention, the electronic control module of the electronic detonator further includes an insulating sealing member 5, the insulating sealing member 5 wraps and seals the control circuit board 1 and the energy storage capacitor 4 embedded in the accommodating through hole 11 into a whole, and the patch leg wire terminal 2 and the ignition member are located outside the insulating sealing member 5. From this, insulating solid sealing 5 can not only firmly be in the same place with the fixed encapsulation of circuit board with the energy storage electric capacity 4 of embedded in circuit board holding through-hole 11, can also play the effect of dampproofing, protection to other components and parts that set up on the circuit board, and then has ensured whole control module's working property and mechanical strength.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element identified by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the utility model as defined in the appended claims.
Claims (6)
1. An electronic control module of an electronic detonator comprises a control circuit board, an energy storage capacitor, a patch leg wire terminal and an ignition piece; the patch foot line terminal and the ignition piece are respectively fixed at two ends of the control circuit board; the energy storage capacitor is characterized in that the control circuit board is provided with an accommodating through hole matched with the shape of the energy storage capacitor, one side of the accommodating through hole is provided with a capacitor bonding pad corresponding to a pin of the energy storage capacitor, and the energy storage capacitor is embedded in the accommodating through hole and fixedly connected with the capacitor bonding pad through the pin of the energy storage capacitor;
one end of the control circuit board, which is used for fixing the patch pin wire terminal, is also provided with a connecting through hole, and a metal connector is fixedly arranged in the connecting through hole; paster foot line terminal includes paster piece and two foot line connectors, the foot line connector is including connecting gradually bending strap, paster portion and the foot line crimping portion as an organic whole, paster piece is fixed two of parallel arrangement of being separated by the paster portion upper portion of foot line connector, when the lower part of paster portion is fixed with control circuit board, bending strap inserts connect through hole and with metal connector welded fastening.
2. The electronic control module of electronic detonator according to claim 1 wherein the metal connecting body is a metal washer fixedly provided along an inner wall of the connecting through-hole, and the bent strap of the leg wire connector is inserted into and welded to the metal washer.
3. The electronic control module of electronic detonators of claim 1 wherein the receiving through-hole in the control circuit board is located adjacent one end of the ignition element.
4. Electronic control module for electronic detonators according to claim 1 wherein the leg wire crimp of the leg wire connector is of a saw-toothed configuration.
5. The electronic control module for electronic detonators of claim 4 wherein the saw-toothed structure includes a bottom groove and two toothed press-fitting pieces, the two toothed press-fitting pieces being located above two sides of the bottom groove, respectively, and the two toothed press-fitting pieces being staggered so as not to overlap when folded against the leg wire core.
6. The electronic control module of the electronic detonator according to claim 1, further comprising an insulating sealing member, wherein the insulating sealing member encapsulates and seals the control circuit board and the energy storage capacitor embedded in the accommodating through hole into a whole, and the patch leg wire terminal and the ignition member are located outside the insulating sealing member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123117567.1U CN217032215U (en) | 2021-12-13 | 2021-12-13 | Electronic control module of electronic detonator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123117567.1U CN217032215U (en) | 2021-12-13 | 2021-12-13 | Electronic control module of electronic detonator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217032215U true CN217032215U (en) | 2022-07-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123117567.1U Active CN217032215U (en) | 2021-12-13 | 2021-12-13 | Electronic control module of electronic detonator |
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| Country | Link |
|---|---|
| CN (1) | CN217032215U (en) |
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2021
- 2021-12-13 CN CN202123117567.1U patent/CN217032215U/en active Active
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