CN213277820U

CN213277820U - Electrolytic capacitor capable of being pasted with chip and electronic detonator

Info

Publication number: CN213277820U
Application number: CN202022736752.8U
Authority: CN
Inventors: 杨永亮; 代正华; 丁国栋
Original assignee: Dongguan Anlin Electronic Co ltd
Current assignee: Dongguan Anlin Electronic Co ltd
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2021-05-25
Anticipated expiration: 2030-11-23

Abstract

The utility model relates to a paster-type electrolytic capacitor, which comprises a capacitor body and two PIN needles arranged on the capacitor body, wherein the end parts of the two PIN needles, which are back to one end of the capacitor body, are bent towards the directions away from each other to form bent edges, and the inner side surfaces and/or the outer side surfaces of the bent edges of the PIN needles are processed and formed with positioning planes; through two PIN needle tip to on the capacitance body reverse bend, two limits of bending of shaping to inboard or the outside shaping locating plane on the limit of bending, can have great area of contact with the external world when making the paster, also more stable when placing, be favorable to the solidification of soldering tin, make its production can be applicable to SMT paster technology. The utility model also provides an electron detonator, wherein, be provided with the PCB board on the electron detonator, be provided with on the PCB board but the electrolytic capacitor of paster.

Description

Electrolytic capacitor capable of being pasted with chip and electronic detonator

Technical Field

The utility model relates to an electron detonator technical field, more specifically say, relate to an electrolytic capacitor and electron detonator that can paste piece.

Background

In the electronic detonator industry, most electronic detonator control modules use plug-in type aluminum shell capacitors which can be large in capacity, high in rated withstand voltage value, strong in surge resistance and low in cost, but the defects that plug-ins or independent welding is needed, time is consumed, welding consistency cannot be guaranteed, and product reliability is affected are overcome.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in that, to the above-mentioned defect of prior art, but provide an electrolytic capacitor of paster, still provide an electronic detonator.

The utility model provides a technical scheme that its technical problem adopted is:

the electrolytic capacitor comprises a capacitor body and two PIN needles arranged on the capacitor body, wherein the end parts of the two PIN needles, which are back to one end of the capacitor body, are bent towards the direction away from each other to form bent edges, and positioning planes are machined and formed on the inner side surfaces and/or the outer side surfaces of the bent edges of the PIN needles.

But electrolytic capacitor of paster, wherein, the plane of bending on limit and above it the locating plane is parallel.

But electrolytic capacitor of paster, wherein, two the PIN needle the homonymy on limit of bending the locating plane flushes.

But electrolytic capacitor of paster, wherein, the PIN needle deviate from with be provided with polarity sign on the one end terminal surface that the electric capacity body is connected.

But electrolytic capacitor of paster, wherein, the locating plane is in the edge of bending is clapped the shaping and is made.

But electrolytic capacitor of paster, wherein, the locating plane is in the edge cutting shaping of bending is made.

The electrolytic capacitor capable of being pasted with the chip of the utility model is characterized in that the bending angle of the bending edge is 30-150 degrees.

The electrolytic capacitor capable of being pasted with the chip of the utility model, wherein, the capacitor body is a common aluminum film electrolytic/solid capacitor.

An electronic detonator, according to the electrolytic capacitor that can paster mentioned above, wherein, the electronic detonator is provided with a PCB board, and the PCB board is provided with the electrolytic capacitor that can paster.

Electronic detonator, wherein, be provided with on the PCB board two with the pad of the limit one-to-one of bending with right the constant head tank of capacitance body location.

The beneficial effects of the utility model reside in that: through two PIN needle tip to on the capacitance body reverse bend, two limits of bending of shaping to inboard or the outside shaping locating plane on the limit of bending, can have great area of contact with the external world when making the paster, also more stable when placing, be favorable to the solidification of soldering tin, make its production can be applicable to SMT paster technology.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described with reference to the accompanying drawings and embodiments, wherein 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 without inventive efforts according to the drawings:

FIG. 1 is a schematic view of a chip-mountable electrolytic capacitor according to a preferred embodiment of the present invention;

fig. 2 is a schematic structural view of the electronic detonator according to the preferred embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, a clear and complete description will be given below with reference to the technical solutions of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, belong to the scope of protection of the present invention.

The electrolytic capacitor capable of being pasted with a sheet according to the preferred embodiment of the present invention is, as shown in fig. 1, composed of a capacitor body 1 and two PIN needles 2 disposed thereon, wherein the end portions of the two PIN needles 2 away from one end of the capacitor body are bent in the directions away from each other to form bending edges 20, and the inner side surfaces and/or the outer side surfaces of the bending edges 20 of the PIN needles are formed with positioning planes 200; through carrying out the reverse bending to two PIN needle 2 tip on the capacitance body 1, two limit 20 of bending of shaping to inboard or the outside shaping locating plane 200 in the limit 20 of bending, can have great area of contact with the external world when making the paster, also more stable when placing, be favorable to the solidification of soldering tin, make its production can be applicable to SMT paster technology.

Preferably, the bending plane of the bending edge 20 is parallel to the positioning plane 200 thereon; the direct bonding with the external tin soldering plane is convenient; it is understood, of course, that in the case of a non-conventional planar outer soldering plane, a matching positioning plane can be provided for adaptation, and a simple modification of this shape is also within the scope of the present application.

Preferably, the positioning planes 200 on the same side of the bending edges 20 of the two PIN needles 2 are flush; further ensure the laminating degree, promote stability.

Preferably, the end face, deviating from the end face connected with the capacitor body 1, of the PIN needle 2 is provided with a polarity identifier 21, so that polarity manual identification or automatic machine photographing identification can be conveniently carried out during surface mounting.

Preferably, the positioning plane 200 is formed by beating and molding on the bending edge 20; the mode can rapidly and effectively obtain a relatively consistent smooth surface, and the processing efficiency is high.

Optionally, the positioning plane is formed by cutting and molding on the bent edge; the purpose of the application can be achieved by the mode, the mode is slightly complex compared with a flattening process, the overall shape of the PIN foot is slightly changed, and the mode is suitable for processing occasions with special requirements.

Preferably, the bending angle of the bending edge 20 is 30-150 degrees.

Preferably, the capacitor body 1 is a general aluminum film electrolytic/solid capacitor.

According to the electrolytic capacitor capable of being pasted with the chip, as shown in figure 2, a PCB (printed circuit board) 3 is arranged on the electronic detonator, and an electrolytic capacitor 4 capable of being pasted with the chip is arranged on the PCB 3.

Preferably, the PCB 3 is provided with two pads 30 corresponding to the bending edges 20 one to one and a positioning groove 31 for positioning the capacitor body 1; the welding capacitor is convenient and quick to position and processed in a surface mounting mode.

It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.

Claims

1. The electrolytic capacitor capable of being pasted with the sheet comprises a capacitor body and two PIN needles arranged on the capacitor body, and is characterized in that the end parts of the two PIN needles, which are back to one end of the capacitor body, are bent towards the direction away from each other to form bent edges, and positioning planes are machined and formed on the inner side surfaces and/or the outer side surfaces of the bent edges of the PIN needles.

2. The pastable electrolytic capacitor as claimed in claim 1, wherein the bending plane of the bending edge is parallel to the positioning plane thereon.

3. The pastable electrolytic capacitor as claimed in claim 1, wherein the positioning planes on the same side of the bent edges of the two PIN PINs are flush.

4. The chip electrolytic capacitor as claimed in claim 1, wherein a polarity mark is provided on an end face of the PIN facing away from the capacitor body.

5. The chip mountable electrolytic capacitor according to any one of claims 1 to 4 wherein said positioning flat surface is formed by flattening said bent edge.

6. The chip mountable electrolytic capacitor according to any one of claims 1 to 4 wherein said positioning plane is formed by cutting said bent edge.

7. The chip-mountable electrolytic capacitor as claimed in any one of claims 1 to 4, wherein said bent side has a bending angle of 30 to 150 degrees.

8. The paster electrolytic capacitor as claimed in any one of claims 1-4, wherein said capacitor body is a common aluminum film electrolytic/solid capacitor.

9. An electronic detonator, the paster electrolytic capacitor according to any one of claims 1-8, wherein the electronic detonator is provided with a PCB board, and the paster electrolytic capacitor is arranged on the PCB board.

10. The electronic detonator of claim 9 wherein the PCB board is provided with two pads corresponding to the bent edges one to one and a positioning groove for positioning the capacitor body.