Electrode plug lug plate of initiating explosive device

By designing the electrode plug connector for pyrotechnic products and adopting a structure of substrate and metal functional area, a reliable electrical connection between the electrode plug needle and the flexible wire is achieved, solving the problems of poor soldering or broken wires, improving the mechanical strength and electrical connection characteristics of pyrotechnic products, and enhancing the safety and stability of electro-pyrotechnic products.

CN223856317UActive Publication Date: 2026-01-30HEBEI QINGYUE ELECTRONIC TECH CO LTD
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Patent Information

Application Number
CN202520147140.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-22
Publication Date
2026-01-30
Estimated Expiration
2035-01-22

AI Technical Summary

Technical Problem

Direct welding of the electrode plug and needle of pyrotechnic products to flexible wires can easily lead to incomplete welding or wire breakage, resulting in a decrease in the performance or failure of the pyrotechnic products, posing potential quality and functional risks.

Method used

Design a pyrotechnic electrode plug connector, including a substrate and a metal functional area. The substrate is provided with electrode plug pin mounting holes and connector welding grooves. A reliable electrical connection with the electrode plug pin is achieved by welding a flexible wire to the connector welding groove, avoiding the traditional cut-off welding process.

Benefits of technology

This technology enables reliable welding of electrode plugs and flexible wires, improving mechanical strength and electrical connection characteristics, avoiding pyrotechnic failures caused by incomplete welding or wire breakage, and enhancing the safety and stability of electro-pyrotechnics.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an initiating explosive device electrode plug lug plate, which belongs to the technical field of initiating explosive device devices and comprises a substrate, solder mask layers are arranged on the upper surface and the lower surface of the substrate respectively, two metal functional areas are clamped between the upper surface of the substrate and the solder mask layers, and an electrode plug electrode needle mounting hole and a wiring welding groove are arranged at two ends of each metal functional area respectively. Wherein the electrode plug and electrode needle mounting hole is an inner wall metalized through hole penetrating through the metal functional area, the substrate and the solder mask layer, and the wiring welding groove is a groove formed to the substrate. The initiating explosive device electrode plug lug plate provided by the utility model can realize reliable electrical connection with the electrode plug needle by welding the flexible lead to the wiring welding groove, has the advantages of being convenient to assemble, high in mechanical strength and good in electrical connection characteristic, and can effectively avoid the failure problem of the initiating explosive device caused by pseudo soldering or wire breakage.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of initiating explosive device, especially a kind of initiating explosive device electrode plug terminal lug. BACKGROUND

[0002] Initiating explosive device has the characteristics such as fast response, accurate action and high power density, can realize ignition, detonation, driving work and special effect and other functions, is indispensable important component in weapon and aerospace, aviation system. Among them, transducer element as the core component of initiating explosive device, its role is to convert external stimulus information or energy into the energy required for stimulating energetic materials to occur chemical reaction. The transduction performance of transducer element directly affects the reliability, safety and action efficiency of initiating explosive device, so it is often necessary to reliably package transducer element in initiating explosive device electrode plug to ensure the firing reliability of transducer element.

[0003] Initiating explosive device electrode plug not only requires good insulation, air tightness and corrosion resistance and other characteristics, but also requires excellent mechanical connection strength. In order to meet the actual use demand, usually the electrode plug pole pin is truncated, and flexible wire is welded at the section to realize electrical connection between the external control circuit. However, the above wiring method is easy to cause virtual welding or disconnection at the welding position of electrode plug pole pin and external flexible wire. If initiating explosive device electrode plug and external lead wire have connection defects, the performance of initiating explosive device will decrease, and there are quality and function hidden troubles or even complete failure. UTILITY MODEL CONTENT

[0004] The utility model discloses to solve the problem of virtual welding or disconnection caused by direct welding of initiating explosive device electrode plug pole pin and flexible wire, and proposes a kind of initiating explosive device electrode plug terminal lug, which can realize reliable electrical connection with electrode plug pole pin by welding flexible wire in the terminal lug welding groove.

[0005] To solve the above technical problems, the technical scheme adopted by the utility model is: a kind of initiating explosive device electrode plug terminal lug, including substrate, substrate upper and lower surfaces are provided with solder resist layer, substrate upper surface and solder resist layer are clamped with two metal functional areas, the both ends of each metal functional area are respectively provided with electrode plug pole pin mounting hole and terminal lug welding groove, wherein electrode plug pole pin mounting hole is the inner wall metallization through hole of penetrating metal functional area, substrate and solder resist layer, and terminal lug welding groove is the groove opened to substrate.

[0006] The further improvement of the technical scheme of the utility model is that: the shape of substrate is circular, and the material is glass fiber.

[0007] The further improvement of the technical scheme of the utility model is that: the material of metal functional area is copper, and the shape is curved fan ring shape.

[0008] A further improvement of this utility model is that the two metal functional areas and the electrode plug pin mounting holes and wiring welding grooves at both ends are centrally symmetrical.

[0009] The technological advancements achieved by this invention, due to the adoption of the aforementioned technical solutions, are as follows: By providing a through-hole for mounting the electrode plug needles, reliable welding to the positive and negative electrode plug needles can be easily achieved. Furthermore, by providing a wiring welding groove, flexible wires can be directly welded into the groove to achieve reliable electrical connections between the two external leads and the positive and negative electrode plug needles, respectively. This application achieves electrical connection between the flexible wires and the electrode plug needles by welding them to the wiring welding groove, avoiding the traditional wiring process of cutting the electrode plug and then welding the flexible wires to its cross-section. This approach offers advantages such as convenient assembly, high mechanical strength, and good electrical connection characteristics, effectively preventing the failure of pyrotechnic devices caused by incomplete soldering or broken wires. Attached Figure Description

[0010] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0011] Figure 1 This is a front view of the electrode plug connector of this utility model;

[0012] Figure 2 This is a cross-sectional view of the electrode plug connector of this utility model;

[0013] Figure 3 This is a rear view of the electrode plug connector of this utility model;

[0014] Figure 4 This is a schematic diagram of the assembly of the electrode plug connector and the pyrotechnic electrode plug;

[0015] Among them, 1. substrate, 2. electrode plug and pin mounting hole, 3. metal functional area, 4. solder resist layer, and 5. wiring soldering groove. Detailed Implementation

[0016] The present invention will be further described in detail below with reference to embodiments:

[0017] like Figure 1 , Figure 2 and Figure 3As shown, it is a structure diagram of an explosive electrode plug terminal, which comprises a substrate 1, the specific shape of the substrate 1 is circular, the material is glass fiber, and the thickness can be customized according to actual use. The outermost part of the upper and lower surfaces of the substrate 1 is provided with a solder resist layer 4. Two metal functional areas 3 are arranged on the upper surface of the substrate 1, that is, the metal functional area 3 is arranged between the substrate 1 and the solder resist layer 4. The two metal functional areas 3 are centrally symmetric on the circular substrate 1, and the shape is as Figure 1 As shown, it is a structure diagram of an explosive electrode plug terminal, which comprises a substrate 1, the specific shape of the substrate 1 is circular, the material is glass fiber, and the thickness can be customized according to actual use. The outermost part of the upper and lower surfaces of the substrate 1 is provided with a solder resist layer 4. Two metal functional areas 3 are arranged on the upper surface of the substrate 1, that is, the metal functional area 3 is arranged between the substrate 1 and the solder resist layer 4. The two metal functional areas 3 are centrally symmetric on the circular substrate 1, and the shape is as

[0018] As shown, it is a structure diagram of an explosive electrode plug terminal, which comprises a substrate 1, the specific shape of the substrate 1 is circular, the material is glass fiber, and the thickness can be customized according to actual use. The outermost part of the upper and lower surfaces of the substrate 1 is provided with a solder resist layer 4. Two metal functional areas 3 are arranged on the upper surface of the substrate 1, that is, the metal functional area 3 is arranged between the substrate 1 and the solder resist layer 4. The two metal functional areas 3 are centrally symmetric on the circular substrate 1, and the shape is as Figure 4 As shown, it is a structure diagram of an explosive electrode plug terminal, which comprises a substrate 1, the specific shape of the substrate 1 is circular, the material is glass fiber, and the thickness can be customized according to actual use. The outermost part of the upper and lower surfaces of the substrate 1 is provided with a solder resist layer 4. Two metal functional areas 3 are arranged on the upper surface of the substrate 1, that is, the metal functional area 3 is arranged between the substrate 1 and the solder resist layer 4. The two metal functional areas 3 are centrally symmetric on the circular substrate 1, and the shape is as

[0019] As shown, it is a structure diagram of an explosive electrode plug terminal, which comprises a substrate 1, the specific shape of the substrate 1 is circular, the material is glass fiber, and the thickness can be customized according to actual use. The outermost part of the upper and lower surfaces of the substrate 1 is provided with a solder resist layer 4. Two metal functional areas 3 are arranged on the upper surface of the substrate 1, that is, the metal functional area 3 is arranged between the substrate 1 and the solder resist layer 4. The two metal functional areas 3 are centrally symmetric on the circular substrate 1, and the shape is as

[0020] The above-mentioned embodiments only describe the preferred embodiments of the utility model, and do not limit the scope of the utility model, and various deformations and improvements of the technical solutions of the utility model made by those skilled in the art without departing from the design spirit of the utility model shall fall within the protection scope determined by the claims of the utility model.

Claims

1. An electrode lug for a pyrotechnic device comprising a substrate (1), characterized in that: The substrate (1) is provided with a solder resist layer (4) on the upper and lower surfaces, and two metal functional areas (3) are clamped between the upper surface of the substrate (1) and the solder resist layer (4). Each metal functional area (3) is provided with an electrode plug pin mounting hole (2) and a wiring welding groove (5) at two ends, wherein the electrode plug pin mounting hole (2) is an inner wall metallization through hole penetrating through the metal functional area (3), the substrate (1) and the solder resist layer (4), and the wiring welding groove (5) is a groove opened to the substrate (1).

2. The primer electrode plug lug according to claim 1, wherein: The substrate (1) is circular in shape and is made of glass fiber.

3. The primer electrode plug lug according to claim 1, wherein: The metal functional area (3) is made of copper and is curved in the shape of a fan ring.

4. The primer electrode plug lug according to claim 3, wherein: The two metal functional areas (3) and the electrode plug pin mounting holes (2) and the wiring welding grooves (5) at the two ends are centrally symmetric.