CN218568667U - Electronic detonator electrolytic capacitor and electronic detonator - Google Patents
Electronic detonator electrolytic capacitor and electronic detonator Download PDFInfo
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- CN218568667U CN218568667U CN202221836202.6U CN202221836202U CN218568667U CN 218568667 U CN218568667 U CN 218568667U CN 202221836202 U CN202221836202 U CN 202221836202U CN 218568667 U CN218568667 U CN 218568667U
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Abstract
The utility model relates to an electronic detonator electrolytic capacitor and electronic detonator, electronic detonator electrolytic capacitor includes shell, prime and embedment layer, and the shell is made by high temperature resistant material, is provided with the fluting that supplies the prime to pack into on the shell, and there is the clearance with the grooved inner wall after the prime is packed into the fluting, and the embedment layer is used for filling the clearance and solidification connection shell and prime; the high-temperature-resistant shell is a basic container of the whole capacitor, pouring sealant is not needed to be molded by means of a mold, the internal structure of the capacitor can be helped to resist thermal shock, and the influence of an injection molding process in the production process of a subsequent delay module is avoided and reduced; the capacitor guide pin, the element, the core cladding and the shell are integrally connected by the potting layer, so that the phenomenon that the element displaces in the shell in the past is avoided, and the shock resistance is greatly improved; the capacitor has the heat dissipation capacity to obtain the thermal shock resistance, and is very suitable for the requirements of short continuous working time, high instantaneous requirement and the like of the electronic detonator.
Description
Technical Field
The utility model relates to an electron detonator technical field, more specifically say, relate to an electron detonator electrolytic capacitor and electron detonator.
Background
The electronic detonator is provided with electric energy to the main control IC and the ignition piece by the capacitor, so that the electronic detonator can complete the preset ignition action according to the millisecond delay requirement set by a program, and the capacitor is one of key devices influencing the ignition success rate. Whether the electric energy can be stably and effectively provided for the module directly influences the quality of the whole electronic detonator.
The capacitor applied to the electronic detonator delay module at present mainly comprises two categories of tantalum capacitor and electrolytic capacitor, the electrolytic capacitor is divided into three categories of solid state, liquid state and solid-liquid mixture, the advantages and the disadvantages of the electrolytic capacitor are different, although the capacitor is relatively mature in the current electronic detonator industry, the existing capacitor still has the following defects or problems:
1. the tantalum capacitor has good stability, but the capacity is small, the cost is high, and the application requirement of a large amount of detonators which are used once is difficult to meet.
2. The liquid electrolytic capacitor has sufficient capacity and low price, but the capacitor is easily influenced by module production process or using environment factors, such as high temperature and pressure during injection molding, products used in low-temperature environment below-30 and the like, so that the internal resistance and leakage current of the capacitor are increased, and the electronic detonator can also fail.
3. The solid electrolytic capacitor has higher cost and better low-temperature characteristic, but is easily influenced by high temperature and high pressure in the production process, has poor anti-seismic performance, and is easy to generate the phenomenon of accelerating power failure in strong vibration.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in providing an electron detonator electrolytic capacitor and electron detonator to prior art's above-mentioned defect.
The utility model provides a technical scheme that its technical problem adopted is:
the electrolytic capacitor comprises a shell, an element and a potting layer, wherein the shell is made of high-temperature-resistant materials, a groove for the element to be installed is formed in the shell, a gap is formed between the element and the inner wall of the groove after the element is installed in the groove, and the potting layer is used for filling the gap and connecting the shell and the element in a curing mode.
The electrolytic capacitor of the electronic detonator of the utility model is characterized in that the shell is made of a high transparent material.
The electrolytic capacitor of the electronic detonator of the utility model is characterized in that the encapsulating layer comprises epoxy resin.
The electronic detonator electrolytic capacitor of the utility model, wherein, the electronic detonator electrolytic capacitor still comprises sealing the grooved closing cap.
The electrolytic capacitor of the electronic detonator, wherein, the edge of the sealing cover is provided with one or more overflow glue gaps and/or the middle of the sealing cover is provided with an overflow glue groove.
The electrolytic capacitor of the electronic detonator in the utility model, wherein the element comprises a positive conductive needle, a negative conductive needle, a positive foil, a negative foil and electrolytic paper; the positive electrode foil is connected with the lower part of the positive electrode conductive needle, the negative electrode foil is connected with the lower part of the negative electrode conductive needle, and the positive electrode foil and the negative electrode foil are separated by the electrolytic paper; powdery solid high polymer dielectric materials are uniformly distributed between the positive electrode foil and the electrolytic paper and between the negative electrode foil and the electrolytic paper.
The electrolytic capacitor of the electronic detonator of the utility model is characterized in that the outside of the element is wrapped with a beam film.
An electronic detonator, wherein the electronic detonator is provided with the electronic detonator electrolytic capacitor.
The beneficial effects of the utility model reside in that:
1. the capacitor has simple structure, sufficient capacity and low material and processing cost, and is very suitable for the electronic detonator;
2. the high-temperature-resistant shell is a basic container of the whole capacitor, pouring sealant is not needed to be molded by means of a mold, the internal structure of the capacitor can be helped to resist thermal shock, and the influence of an injection molding process in the production process of a subsequent delay module is avoided and reduced;
3. the capacitor guide pin, the element, the core cladding and the shell are integrally connected by the potting layer, so that the phenomenon that the element displaces in the shell in the past is avoided, and the shock resistance is greatly improved;
4. the capacitor has the heat dissipation capacity to obtain the thermal shock resistance, and is very suitable for the requirements of short continuous working time, high instantaneous requirement and the like of the electronic detonator.
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 sectional view of an electrolytic capacitor structure of an electronic detonator according to a preferred embodiment of the present invention;
FIG. 2 is a schematic view of the electrolytic capacitor element structure of the electronic detonator according to the preferred embodiment of the present invention;
FIG. 3 is a schematic view of the sub-assembly of the electrolytic capacitor element of the electronic detonator according to the preferred embodiment of the present invention;
fig. 4 is an assembly schematic diagram of the electrolytic capacitor sealing cover 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 of the electronic detonator in the preferred embodiment of the present invention is shown in fig. 1, and also shown in fig. 2-4, and comprises a shell 1, an element 2 and an encapsulating layer 3, wherein the shell 1 is made of a high temperature resistant material, the shell 1 is provided with a slot 10 for the element 2 to be loaded in, after the element 2 is loaded in the slot 10, a gap exists between the element 2 and the inner wall of the slot 10, and the encapsulating layer 3 is used for filling the gap and connecting the shell 1 and the element 2 in a curing manner;
the electrolytic capacitor applying the application has the following advantages:
1. the capacitor has simple structure, sufficient capacity and low material and processing cost, and is very suitable for the electronic detonator;
2. the high-temperature-resistant shell is a basic container of the whole capacitor, a pouring sealant is not required to be used for molding, the internal structure of the capacitor can be helped to resist thermal shock, and the influence of an injection molding process in the production process of a subsequent delay module is avoided and reduced;
3. the capacitor guide pin, the element, the core bag and the shell are integrally connected by the potting layer, so that the phenomenon that the element in the prior art moves in the shell is avoided, and the shock resistance is greatly improved;
4. the capacitor has the heat dissipation capacity to obtain the thermal shock resistance, and is very suitable for the requirements of short continuous working time, high instantaneous requirement and the like of the electronic detonator.
A preferred assembly method is: when the packaging structure is assembled, a proper amount of pouring sealant is injected into the shell 1, then the sub-assemblies are loaded into the shell, after the glue in the shell overflows from the periphery and covers the upper part of the sealing cover to form a complete package, the assemblies are horizontally placed in a centralized manner and are baked at the temperature lower than 120 ℃, and are placed in a UV (ultraviolet) or natural mode, so that the glue in the assemblies is cured (a pouring layer 3 is formed); finally, aging the cured capacitor to repair the foil damaged by the manufacturing process to generate an oxide film.
The material of the shell 1 is not limited to the high-temperature resistant plastic material, and metal or other high-temperature resistant materials can be used for substitution; the high-temperature resistant material generally refers to a material which does not deform at a high temperature of 250 ℃ for at least 10 minutes;
preferably, the outer diameter of the housing 1 is less than 6mm;
in a preferred embodiment: the housing 1 is made of a high temperature resistant and highly transparent material so as to be cured by means of UV light irradiation.
Preferably, the potting layer 3 comprises epoxy.
Preferably, the element 2 comprises a positive electrode conductive needle 20, a negative electrode conductive needle 21, a positive electrode foil 22, a negative electrode foil 23 and electrolytic paper 24; the positive electrode foil 22 is connected with the lower part of the positive electrode conductive needle 20, the negative electrode foil 23 is connected with the lower part of the negative electrode conductive needle 24, and the positive electrode foil 22 and the negative electrode foil 23 are separated by the electrolytic paper 24; powdery solid-state high polymer dielectric materials are uniformly distributed between the anode foil 22 and the electrolytic paper 24 and between the cathode foil 23 and the electrolytic paper 24;
the elements are divided into positive and negative electrode guide pins, positive and negative electrode foils, electrolytic paper and a binding film. The positive and negative electrode guide pins are two round bar conductors arranged in parallel at a certain interval, the shorter upper part of the positive and negative electrode guide pins is a negative electrode, the positive and negative electrode foils are correspondingly connected with the lower parts of the positive and negative electrode guide pins, the two electrode foils are separated by electrolytic paper, powdery solid high polymer dielectric materials are uniformly distributed between 3 electrodes, then 3 layers of the high polymer dielectric materials are wound on the guide pins together and rolled into a cylinder shape, and the outermost circle is well formed by a bundling film; and then carrying out chemical conversion treatment on the wound element sub-assembly to activate the high polymer material between the anode foil, the cathode foil and the electrolytic paper so as to obtain specific electrical property.
Preferably, the electrolytic capacitor of the electronic detonator further comprises a closed slotted cover 11, which is provided with two holes 110 and is placed above the rolled cylinder by passing through the guide pin from the upper part.
Preferably, one or more glue overflow notches 111 are arranged at the edge of the sealing cover 11 and/or a glue overflow groove 112 is arranged in the middle of the sealing cover 11; the discharge of inside air when being convenient for assemble ensures assembly stability.
Preferably, the element 2 is wrapped with a binding membrane 25.
The cover 11 and the bundle film 25 are not essential components, and may be used or removed as desired;
an electronic detonator, wherein the electronic detonator is provided with the electronic detonator electrolytic capacitor.
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 (8)
1. The electrolytic capacitor for the electronic detonator is characterized by comprising a shell, an element and a potting layer, wherein the shell is made of a high-temperature-resistant material, a slot for the element to be arranged is formed in the shell, a gap is formed between the element and the inner wall of the slot after the element is arranged in the slot, and the potting layer is used for filling the gap and connecting the shell and the element in a curing manner.
2. The electronic detonator electrolytic capacitor of claim 1 wherein the outer shell is made of a highly transparent material.
3. The electronic detonator electrolytic capacitor of claim 1 wherein the potting layer comprises an epoxy.
4. The electronic detonator electrolytic capacitor of claim 1 further comprising a cover closing the slot.
5. The electronic detonator electrolytic capacitor of claim 4 wherein the edge of the cover is provided with one or more glue overflow notches and/or the middle of the cover is provided with a glue overflow groove.
6. The electronic detonator electrolytic capacitor of any one of claims 1 to 5, wherein the elements comprise positive conductive pins, negative conductive pins, positive foils, negative foils and electrolytic paper; the positive electrode foil is connected with the lower part of the positive electrode conductive needle, the negative electrode foil is connected with the lower part of the negative electrode conductive needle, and the positive electrode foil and the negative electrode foil are separated by the electrolytic paper; powdery solid high polymer dielectric materials are uniformly distributed between the positive electrode foil and the electrolytic paper and between the negative electrode foil and the electrolytic paper.
7. The electronic detonator electrolytic capacitor of claim 6 wherein the element is coated with a bundling film.
8. An electronic detonator characterized in that the electronic detonator is provided with an electronic detonator electrolytic capacitor as claimed in any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221836202.6U CN218568667U (en) | 2022-07-15 | 2022-07-15 | Electronic detonator electrolytic capacitor and electronic detonator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221836202.6U CN218568667U (en) | 2022-07-15 | 2022-07-15 | Electronic detonator electrolytic capacitor and electronic detonator |
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|---|---|
| CN218568667U true CN218568667U (en) | 2023-03-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221836202.6U Active CN218568667U (en) | 2022-07-15 | 2022-07-15 | Electronic detonator electrolytic capacitor and electronic detonator |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116092835A (en) * | 2023-03-07 | 2023-05-09 | 丰宾电子科技股份有限公司 | Novel capacitor, manufacturing method thereof and electronic detonator |
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2022
- 2022-07-15 CN CN202221836202.6U patent/CN218568667U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116092835A (en) * | 2023-03-07 | 2023-05-09 | 丰宾电子科技股份有限公司 | Novel capacitor, manufacturing method thereof and electronic detonator |
| CN116092835B (en) * | 2023-03-07 | 2024-03-15 | 丰宾电子科技股份有限公司 | Novel capacitor, manufacturing method thereof and electronic detonator |
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