CN115346799A - Prevent reverse-connection paster tantalum electrolytic capacitor - Google Patents
Prevent reverse-connection paster tantalum electrolytic capacitor Download PDFInfo
- Publication number
- CN115346799A CN115346799A CN202211041668.1A CN202211041668A CN115346799A CN 115346799 A CN115346799 A CN 115346799A CN 202211041668 A CN202211041668 A CN 202211041668A CN 115346799 A CN115346799 A CN 115346799A
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- China
- Prior art keywords
- foil
- plastic shell
- capacitor
- core
- tantalum
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 239000003990 capacitor Substances 0.000 title claims abstract description 66
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 title claims abstract description 54
- 229910052715 tantalum Inorganic materials 0.000 title claims abstract description 21
- 239000011888 foil Substances 0.000 claims abstract description 61
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 claims description 7
- 229910002804 graphite Inorganic materials 0.000 claims description 4
- 239000010439 graphite Substances 0.000 claims description 4
- 229910052709 silver Inorganic materials 0.000 claims description 4
- 239000004332 silver Substances 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
- H01G9/008—Terminals
Abstract
The invention provides an anti-reverse-connection paster tantalum electrolytic capacitor which comprises a plastic shell; the capacitor comprises a plastic shell, a capacitor core and a negative foil, wherein the capacitor core is packaged in the plastic shell, the outer end of the capacitor core is led out of the plastic shell through the negative foil, the capacitor core is led out of the plastic shell through a tantalum wire and a positive foil, and the negative foil is provided with two terminals outside the plastic shell. According to the invention, the positive electrode ports are arranged in the middle of the surface of the chip tantalum electrolytic capacitor, and the two negative electrode ports are symmetrically arranged on the two sides of the positive electrode, so that the capacitor is not limited by the direction in the installation and use process, and the circuit elements are prevented from being burnt out due to circuit faults caused by the fact that the positive electrode and the negative electrode of the tantalum electrolytic capacitor are installed inversely.
Description
Technical Field
The invention relates to an anti-reverse-connection paster tantalum electrolytic capacitor.
Background
At present, chip tantalum electrolytic capacitors produced by enterprises have a positive electrode and a negative electrode, and a plurality of agent companies can not clearly distinguish two positive electrode leads and negative electrode leads outside the capacitors in the using process, so that the positive electrode and the negative electrode of the capacitors are not matched with input and output, a circuit is short-circuited, and serious conditions affecting the circuit function and burning out other electronic devices appear.
In order to solve the problem that the positive and negative electrodes of an electrolytic capacitor are easy to be reversely connected in the using process, the Chinese utility model patent right with the publication number of CN210743805U discloses an anti-reverse connection capacitor, which comprises an electrolytic capacitor main body and an anti-reverse connection kit, wherein the lower end face of a fixing column of the anti-reverse connection kit is fixedly connected with one end of a connecting copper sheet, the other end corresponding to the connecting copper sheet is obliquely and upwardly bent to form a hook part, the lower side surface of the middle part of the connecting copper sheet of the anti-reverse connection kit is provided with a conductive contact, the upper side surface of the connecting copper sheet is fixedly provided with a permanent magnet, the upper inner surface of a cover is fixedly provided with an electromagnet, the electromagnet is arranged right above the permanent magnet, the connecting copper sheet is electrically connected with a positive electrode connecting terminal, a negative electrode leading terminal is electrically connected with a negative electrode connecting terminal, the permanent magnet is arranged with an S electrode above and an N electrode below, a coil of the electromagnet is arranged in an anticlockwise winding manner, and a starting lead of the coil of the electromagnet is electrically connected with the positive electrode connecting terminal; the utility model discloses a although the problem that the positive negative pole of condenser connects conversely has been solved, this utility model structure is complicated, has mainly increased permanent magnet and electro-magnet for whole condenser volume and cost increase, and be not applicable to paster tantalum electrolytic capacitor, prevent in addition to connect the electric power that is used for driving the electro-magnet work among the anti-external member and come from condenser working line, if voltage or electric current increase suddenly among the working line, can lead to preventing to connect the circuit components and parts among the anti-external member and be punctured or burn.
Disclosure of Invention
In order to solve the technical problem, the invention provides an anti-reverse-connection paster tantalum electrolytic capacitor.
The invention is realized by the following technical scheme.
The invention provides an anti-reverse-connection paster tantalum electrolytic capacitor which comprises a plastic shell; the capacitor core is packaged in the plastic shell, the outer end of the capacitor core is led out of the plastic shell through the negative foil, the capacitor core is led out of the plastic shell through the tantalum wire and the positive foil, and the negative foil is provided with two terminals outside the plastic shell.
The middle part of the negative electrode foil is clamped at one end of the capacitor core, two ends of the negative electrode foil and the capacitor core are at a certain angle and respectively extend out of opposite side walls of the plastic shell to wrap the plastic shell, and two tail ends of the negative electrode foil are embedded into two end surfaces of the same outer side wall of the plastic shell.
One end of the tantalum wire extends into the capacitor core from the surface which is not covered by the negative foil, the other end of the tantalum wire is connected with the positive foil, and one end of the positive foil is embedded into the middle of the surface of the side wall of the plastic shell.
And a washer is fixed on the surface of the capacitor core to fix the tantalum wire.
The parts of the positive electrode foil and the negative electrode foil outside the plastic shell are all arranged on the same outer side wall of the plastic shell, and the surfaces of the positive electrode foil, the negative electrode foil and the plastic shell are arranged on the same plane.
The middle part of the capacitor core is a tantalum core, and the surface of the tantalum core is sequentially wrapped with a dielectric film, a manganese dioxide layer, a graphite layer and a silver layer.
The invention has the beneficial effects that: the positive port is arranged in the middle of the surface of the chip tantalum electrolytic capacitor, the negative ports are arranged in two and symmetrically arranged on two sides of the positive electrode, so that the capacitor is not limited by the direction in the installation and use process, and the phenomenon that circuit elements are burnt out due to circuit faults caused by the fact that the positive electrode and the negative electrode of the tantalum electrolytic capacitor are installed on the contrary is avoided.
Drawings
FIG. 1 is a schematic two-dimensional view of a tantalum wire of the present invention as installed longitudinally;
FIG. 2 is a three-dimensional cross-sectional view of a tantalum wire of the present invention as installed longitudinally;
FIG. 3 is a two-dimensional view of a tantalum wire of the present invention as it is transversely installed;
fig. 4 is a three-dimensional cross-sectional view of a tantalum wire of the present invention as installed in a transverse direction.
In the figure: 1-plastic shell; 2-capacitor core; 21-tantalum core, 22-manganese dioxide layer, 23-graphite layer, 24-silver layer and 3-positive electrode foil; 4-negative electrode foil; 5-tantalum wire; 6-a gasket; 7-solder block.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
An anti-reverse-connection paster tantalum electrolytic capacitor comprises a plastic shell 1; the capacitor core 2 is packaged in the plastic shell 1, the outer end of the capacitor core 2 is led out of the plastic shell 1 through the negative foil 4, the capacitor core 2 is led out of the plastic shell 1 through the tantalum wire 5 and the positive foil 3, and the negative foil 4 is provided with two terminals outside the plastic shell 1. Aiming at the problem of easy reverse connection, the mounting position of the original positive foil of the surface mount tantalum electrolytic capacitor is replaced by the negative foil through the symmetrical leading-out of the negative foil, then the positive foil is arranged at the middle position of the bottom, a contact is correspondingly redesigned on the circuit board to be used as the connecting point of the positive foil, and two contacts are correspondingly redesigned on the circuit board to be used as the connecting point of the negative foil, so that the reverse connection of the positive and negative electrodes of the tantalum electrolytic capacitor is prevented, and the short circuit or the burning of other components caused by the reverse connection are avoided.
The middle part of the negative electrode foil 4 is clamped at one end of the capacitor core 2, two ends of the negative electrode foil 4 and the capacitor core 2 form a certain angle and respectively extend out of the opposite side walls of the plastic shell 1 to wrap the plastic shell 1, and two tail ends of the negative electrode foil 4 are embedded into two end surfaces of the same outer side wall of the plastic shell 1.
One end of the tantalum wire 5 extends into the capacitor core 2 from the surface which is not covered by the negative electrode foil 4, the other end of the tantalum wire 5 is connected with the positive electrode foil 3, and one end of the positive electrode foil 3 is embedded into the middle of the surface of the side wall of the plastic shell 1.
And a gasket 6 is also fixed on the surface of the capacitor core 2 to fix the tantalum wire 5.
The parts of the positive electrode foil 3 and the negative electrode foil 4 outside the plastic shell 1 are all arranged on the same outer side wall of the plastic shell 1, and the surfaces of the positive electrode foil 3, the negative electrode foil 4 and the plastic shell 1 are arranged on the same plane.
The middle part of the capacitor core 2 is a tantalum core 21, and the surface of the tantalum core 21 is sequentially wrapped with a dielectric film, a manganese dioxide layer, a graphite layer and a silver layer.
As shown in fig. 1 and 2, a groove with the same length as the capacitor core 2 is formed in the middle of the negative foil 4, the groove is clamped at the top of the capacitor core 2, two ends of the negative foil 4 are bent by 90 degrees and penetrate out of two side surfaces of the plastic shell 1, then the two ends of the negative foil extend downwards along the two side surfaces to the bottom of the plastic shell 1, the two ends of the negative foil are bent by 90 degrees and cling to the bottom of the plastic shell 1, the tantalum wire 5 vertically extends into the capacitor core 2 from the center of the bottom of the capacitor core 2, the other end of the tantalum wire is vertically welded on a square positive foil 3, and the positive foil 3 is pasted at the center of the surface of the plastic shell 1.
As shown in fig. 3 and 4, a groove with the same length as the capacitor core 2 is formed in the middle of the negative foil 4, the groove is clamped at the top of the capacitor core 2, two ends of the negative foil 4 are bent by 90 degrees and penetrate out of two side surfaces of the plastic shell 1, then the negative foil is bent by 90 degrees and tightly attached to the bottom of the plastic shell 1 when extending downwards to the bottom of the plastic shell 1 along the two side surfaces, while the tantalum wire 5 extends into the capacitor core 2 from the uncovered part of the side surface of the capacitor core 2, the other end of the tantalum wire is welded in parallel with a special-shaped positive foil 3, the middle of the positive foil 3 is processed into the same bend along with the shape of the side wall of the capacitor core 2, and the other end of the tantalum wire is processed into a vertically downward bend so as to extend out of the plastic shell, and then the tail end of the tantalum wire is vertically bent again so as to tightly attach to the bottom of the plastic shell.
When the tantalum wire 5 is longitudinally led out, the positive foil 3 is arranged in the middle of the bottom surface of the plastic shell 1 in a square shape; the positive foil 3 is arranged in the middle of the battery to prevent the negative electrode and the positive electrode from being connected reversely.
Claims (6)
1. The utility model provides an prevent joining conversely paster tantalum electrolytic capacitor, includes and moulds shell (1), its characterized in that: the capacitor core (2) is packaged in the plastic shell (1), the outer end of the capacitor core (2) is led out of the plastic shell (1) through the negative foil (4), the capacitor core (2) is led out of the plastic shell (1) through the tantalum wire (5) and the positive foil (3), and the negative foil (4) is provided with two terminals outside the plastic shell (1).
2. The anti-reverse patch tantalum electrolytic capacitor of claim 1 wherein: the middle part of negative pole paper tinsel (4) is blocked in the one end of condenser core (2), and the both ends of negative pole paper tinsel (4) and condenser core (2) be certain angle and stretch out respectively and mould the relative lateral wall of shell (1) and outward will mould the shell (1) parcel, and the both ends embedding of negative pole paper tinsel (4) moulds the both ends surface of the same lateral wall of shell (1).
3. The anti-reverse patch tantalum electrolytic capacitor of claim 1 wherein: one end of the tantalum wire (5) extends into the capacitor core (2) from the surface which is not covered by the negative electrode foil (4), the other end of the tantalum wire (5) is connected with the positive electrode foil (3), and one end of the positive electrode foil (3) is embedded into the middle of the surface of the side wall of the plastic shell (1).
4. The anti-reverse patch tantalum electrolytic capacitor of claim 1 wherein: and a gasket (6) is further fixed on the surface of the capacitor core (2) to fix the tantalum wire (5).
5. The anti-reverse patch tantalum electrolytic capacitor of claim 1 wherein: the parts of the positive foil (3) and the negative foil (4) outside the plastic shell (1) are all arranged on the same outer side wall of the plastic shell (1), and the surfaces of the positive foil (3), the negative foil (4) and the plastic shell (1) are arranged on the same plane.
6. The anti-reverse patch tantalum electrolytic capacitor of claim 1 wherein: the capacitor core (2) is characterized in that a tantalum core (21) is arranged in the middle of the capacitor core (2), and the surface of the tantalum core (21) is sequentially wrapped with a dielectric film, a manganese dioxide layer, a graphite layer and a silver layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211041668.1A CN115346799A (en) | 2022-08-29 | 2022-08-29 | Prevent reverse-connection paster tantalum electrolytic capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211041668.1A CN115346799A (en) | 2022-08-29 | 2022-08-29 | Prevent reverse-connection paster tantalum electrolytic capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115346799A true CN115346799A (en) | 2022-11-15 |
Family
ID=83952990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211041668.1A Pending CN115346799A (en) | 2022-08-29 | 2022-08-29 | Prevent reverse-connection paster tantalum electrolytic capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115346799A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001358041A (en) * | 2000-06-12 | 2001-12-26 | Rohm Co Ltd | Method for manufacturing tantalum electrolytic capacitor |
| JP2015216346A (en) * | 2014-05-07 | 2015-12-03 | サムソン エレクトロ−メカニックス カンパニーリミテッド． | Tantalum capacitor and manufacturing the same |
| CN206516495U (en) * | 2017-01-18 | 2017-09-22 | 南通江海电容器股份有限公司 | A kind of vibration strength solid-state aluminum electrolytic capacitor |
| CN212342481U (en) * | 2020-05-19 | 2021-01-12 | 北京七一八友益电子有限责任公司 | Moisture-proof chip type solid electrolyte tantalum capacitor |
| CN218038878U (en) * | 2022-08-29 | 2022-12-13 | 中国振华(集团)新云电子元器件有限责任公司(国营第四三二六厂) | Paster tantalum electrolytic capacitor with prevent joining conversely function |
-
2022
- 2022-08-29 CN CN202211041668.1A patent/CN115346799A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001358041A (en) * | 2000-06-12 | 2001-12-26 | Rohm Co Ltd | Method for manufacturing tantalum electrolytic capacitor |
| JP2015216346A (en) * | 2014-05-07 | 2015-12-03 | サムソン エレクトロ−メカニックス カンパニーリミテッド． | Tantalum capacitor and manufacturing the same |
| CN206516495U (en) * | 2017-01-18 | 2017-09-22 | 南通江海电容器股份有限公司 | A kind of vibration strength solid-state aluminum electrolytic capacitor |
| CN212342481U (en) * | 2020-05-19 | 2021-01-12 | 北京七一八友益电子有限责任公司 | Moisture-proof chip type solid electrolyte tantalum capacitor |
| CN218038878U (en) * | 2022-08-29 | 2022-12-13 | 中国振华(集团)新云电子元器件有限责任公司(国营第四三二六厂) | Paster tantalum electrolytic capacitor with prevent joining conversely function |
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