CN211088083U - Capacitor core, electrolytic capacitor and power adapter - Google Patents
Capacitor core, electrolytic capacitor and power adapter Download PDFInfo
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- CN211088083U CN211088083U CN201922127869.3U CN201922127869U CN211088083U CN 211088083 U CN211088083 U CN 211088083U CN 201922127869 U CN201922127869 U CN 201922127869U CN 211088083 U CN211088083 U CN 211088083U
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- 239000003990 capacitor Substances 0.000 title claims abstract description 102
- 238000002955 isolation Methods 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 10
- 239000011888 foil Substances 0.000 claims description 10
- 239000003792 electrolyte Substances 0.000 claims description 7
- 239000000126 substance Substances 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 229920001131 Pulp (paper) Polymers 0.000 claims description 4
- -1 amine salt Chemical class 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims description 2
- 239000005030 aluminium foil Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 208000025274 Lightning injury Diseases 0.000 description 4
- 238000012216 screening Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model provides a condenser core, electrolytic capacitor and power adapter relates to electrolytic capacitor technical field, has solved the technical problem that electrolytic capacitor who exists among the prior art was punctureed easily when circuit voltage fluctuates. The capacitor core comprises a capacitor core body and an isolation layer; wherein the capacitor core body comprises an anode layer and a cathode layer, the isolation layer being located between the anode layer and the cathode layer; the isolation layer comprises at least four layers of superimposed electrolytic paper, and/or the electrolytic paper is made of a pressure-resistant material. The electrolytic capacitor includes an electrolytic capacitor body and a capacitor core. The power adapter includes an adapter body and an electrolytic capacitor. The utility model is used for provide a can prevent that electrolytic capacitor from being punctured condenser core, electrolytic capacitor and power adapter when circuit voltage fluctuates.
Description
Technical Field
The utility model belongs to the technical field of electrolytic capacitor technique and specifically relates to a capacitor core, set up this capacitor core's electrolytic capacitor and set up this electrolytic capacitor's power adapter.
Background
The electrolytic capacitor is used as a common device on electronic circuits and plays the roles of electric devices such as filtering, bypassing, coupling, decoupling, steering and the like. When the electrolytic capacitor is used in an input circuit board of the power adapter, the power adapter is influenced by natural lightning and abnormal voltage fluctuation in the working process.
The applicant has found that the electrolytic capacitors of the prior art, although provided with a lightning protection module, are poor in their ability to withstand transient overvoltage, and are susceptible to breakdown in the event of circuit voltage fluctuations.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a condenser core, set up this condenser core's electrolytic capacitor and set up this electrolytic capacitor's power adapter to solve the technical problem that the electrolytic capacitor who exists among the prior art was punctureed easily when circuit voltage fluctuates. The following explains various technical effects that can be produced by the preferred technical scheme in the technical schemes of the utility model.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a capacitor core, which comprises a capacitor core body and an isolating layer; wherein the content of the first and second substances,
the capacitor core body comprises an anode layer and a cathode layer, and the isolation layer is positioned between the anode layer and the cathode layer;
the isolation layer comprises at least four layers of superimposed electrolytic paper, and/or the electrolytic paper is made of a pressure-resistant material.
In a preferred or alternative embodiment, the material of the electrolytic paper is an insulating wood pulp material.
In a preferred or alternative embodiment, the density of the electrolytic paper is 0.8-0.9 g/cm3。
In a preferred or optional embodiment, the number of the isolating layers containing the electrolytic paper is four, and the four layers of the electrolytic paper are arranged in a superposition mode.
In a preferred or alternative embodiment, the anode layer and the cathode layer are both formed from a formed foil, the anode layer is formed from an anode foil and the cathode layer is formed from a cathode foil.
In a preferred or alternative embodiment, the cathode layer is an aluminium foil pressurised above 3 VF.
In a preferred or optional embodiment, the capacitor core body further includes an anode guide pin and a cathode guide pin, one end of the anode guide pin is electrically connected to the anode layer, and the other end of the anode guide pin extends out of the capacitor core body, and one end of the cathode guide pin is electrically connected to the cathode layer, and the other end of the cathode guide pin extends out of the capacitor core body.
In a preferred or alternative embodiment, the anode lead and the cathode lead are both made of aluminum wire pressurized above 400V.
The electrolytic capacitor provided by the utility model comprises an electrolytic capacitor body and a capacitor core provided by any technical proposal of the utility model; wherein the content of the first and second substances,
the electrolytic capacitor body comprises a shell and a sleeve, the capacitor core is arranged in the shell and is soaked with electrolyte, and the sleeve is sleeved outside the shell; the capacitor core comprises an anode guide pin and a cathode guide pin, one end of the anode guide pin is electrically connected with the anode layer, the other end of the anode guide pin extends out of the shell, and one end of the cathode guide pin is electrically connected with the cathode layer, and the other end of the cathode guide pin extends out of the shell; the electrolyte is long carbon chain branched chain organic amine salt.
The utility model provides a power adapter, including adapter body and the electrolytic capacitor that any technical scheme of the utility model provided.
The electrolytic capacitor screening method provided by any technical scheme of the utility model comprises the following steps:
step A: placing the electrolytic capacitor in an environment of 90 ℃ and removing early-stage failure products;
and B: and connecting the electrolytic capacitor to a circuit board of a power adapter, and testing the lightning stroke resisting voltage of the electrolytic capacitor by using a lightning stroke surge power supply to remove failed products.
Based on the technical scheme, the embodiment of the utility model provides a can produce following technological effect at least:
the utility model provides a capacitor core, including capacitor core body and isolation layer, capacitor core body includes anode layer and cathode layer, the isolation layer is located between anode layer and the cathode layer, because the isolation layer includes four superimposed at least layers of electrolytic paper, make the pressure resistance promote because of the stack; in addition, the electrolytic paper is made of a voltage-resistant material, so that the voltage resistance of the capacitor core can be further improved, the capability of the electrolytic capacitor for resisting instantaneous overvoltage is further improved, and the electrolytic capacitor is prevented from being broken down.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that 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 according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a capacitor core provided in an embodiment of the present invention;
fig. 2 is an electrolytic capacitor provided in an embodiment of the present invention.
In the figure, 1, a capacitor core body; 11. an isolation layer; 12. an anode layer; 13. a cathode layer; 14. an anode guide pin; 15. a cathode guide pin; 2. an electrolytic capacitor body; 21. a housing; 22. a sleeve; 23. and sealing the rubber plug.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The utility model provides a can prevent that electrolytic capacitor from being punctured's condenser core, set up this condenser core's electrolytic capacitor and set up this electrolytic capacitor's power adapter when circuit voltage fluctuates.
The technical solution provided by the present invention is explained in more detail with reference to fig. 1 to 2.
As shown in fig. 1-2, the capacitor core provided by the present invention comprises a capacitor core body 1 and an isolation layer 11; wherein the content of the first and second substances,
the capacitor core body 1 comprises an anode layer 12 and a cathode layer 13, and an isolation layer 11 is positioned between the anode layer 12 and the cathode layer 13;
the isolation layer 11 comprises at least four layers of stacked electrolytic paper, and/or the electrolytic paper is made of a pressure-resistant material.
The utility model provides a capacitor core, including capacitor core body 1 and isolation layer 11, capacitor core body 1 includes anode layer 12 and cathode layer 13, and isolation layer 11 is located between anode layer 12 and cathode layer 13, because isolation layer 11 includes four layers of superimposed electrolytic paper at least, makes the pressure resistance promote because of the stack; in addition, the electrolytic paper is made of a voltage-resistant material, so that the voltage resistance of the capacitor core can be further improved, the capability of the electrolytic capacitor for resisting instantaneous overvoltage is further improved, and the electrolytic capacitor is prevented from being broken down.
In a preferred or alternative embodiment, the electrolytic paper is made of insulating wood pulp. Preferably, the insulating wood pulp material with high voltage resistance can improve the voltage resistance.
In a preferred or alternative embodiment, the density of the electrolytic paper is 0.8 to 0.9g/cm3。
In a preferred or alternative embodiment, the number of the isolating layer 11 containing the electrolytic paper is four, and four layers of the electrolytic paper are stacked. Since the space in the electrolytic capacitor is limited, it is not preferable to stack an excessive number of layers, and if the number of stacked layers is small, the effect of withstanding voltage is not obtained, so that it is preferable to stack four layers of electrolytic paper.
As a preferred or alternative embodiment, both the anode layer 12 and the cathode layer 13 are formed of formed foil, the anode layer 12 being formed of anode foil and the cathode layer 13 being formed of cathode foil.
In a preferred or alternative embodiment, the cathode layer 13 is an aluminum foil pressed at 3VF or more. The stability and the service life of the electrolytic capacitor can be improved.
As a preferred or optional embodiment, the capacitor core body 1 further includes an anode guide pin 14 and a cathode guide pin 15, one end of the anode guide pin 14 is electrically connected to the anode layer 12, and the other end thereof extends out of the capacitor core body 1, and one end of the cathode guide pin 15 is electrically connected to the cathode layer 13, and the other end thereof extends out of the capacitor core body 1. And one end of the anode guide pin 14 and the cathode guide pin 15 extending out of the capacitor core body 1 is used for connecting the anode and the cathode of an external component.
As a preferred or alternative embodiment, the anode lead 14 and the cathode lead 15 are both made of aluminum wire pressurized above 400V. The heating value of the electrolytic capacitor in the actual use process can be reduced, and the reliability of the electrolytic capacitor is ensured.
The electrolytic capacitor provided by the utility model comprises an electrolytic capacitor body 2 and a capacitor core provided by any technical proposal of the utility model; wherein the content of the first and second substances,
the electrolytic capacitor body 2 comprises a shell 21 and a sleeve 22, wherein a capacitor core is arranged in the shell 21 and is soaked with electrolyte, and the sleeve 22 is sleeved outside the shell 21; the condenser core comprises an anode guide pin 14 and a cathode guide pin 15, one end of the anode guide pin 14 is electrically connected with the anode layer 12, the other end extends out of the shell 21, one end of the cathode guide pin 15 is electrically connected with the cathode layer 13, and the other end extends out of the shell 21; the electrolyte is long carbon chain branched chain organic amine salt.
Specifically, casing 21 is the aluminium, and sleeve 22 cover is established outside casing 21, can play the insulating effect, prevents that casing 21 from taking place the short circuit or producing static, is provided with sealed plug 23 at sleeve 22 oral area, can fix the condenser core in casing 21, tightens up the processing to casing 21 opening part at last, plays sealed effect. The electrolyte is a nano-grade material and is long carbon chain branched chain organic amine salt, so that the sparking voltage of the electrolytic capacitor can be increased to more than 500V, the reliability of the electrolytic capacitor is improved, and the quality and the service life of the product are ensured.
The utility model provides a power adapter, including adapter body and the electrolytic capacitor that any technical scheme of the utility model provided.
The electrolytic capacitor screening method provided by any technical scheme of the utility model comprises the following steps:
step A: placing the electrolytic capacitor in an environment of 90 ℃ and removing early-stage failure products; the step is to carry out aging treatment on the electrolytic capacitor;
and B: and connecting the electrolytic capacitor to a circuit board of a power adapter, and testing the lightning stroke resisting voltage of the electrolytic capacitor by using a lightning stroke surge power supply to remove failed products.
Any technical solution disclosed in the present invention is, unless otherwise stated, disclosed a numerical range if it is disclosed, and the disclosed numerical range is a preferred numerical range, and any person skilled in the art should understand that: the preferred ranges are merely those values which are obvious or representative of the technical effect which can be achieved. Because numerical value is more, can't be exhaustive, so the utility model discloses just disclose some numerical values with the illustration the technical scheme of the utility model to, the numerical value that the aforesaid was enumerated should not constitute right the utility model discloses create the restriction of protection scope.
If the terms "first," "second," etc. are used herein to define parts, those skilled in the art will recognize that: the terms "first" and "second" are used merely to distinguish one element from another in a descriptive sense and are not intended to have a special meaning unless otherwise stated.
Also, above-mentioned the utility model discloses if disclose or related to mutually fixed connection's spare part or structure, then, except that other the note, fixed connection can understand: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connection (such as riveting and welding), of course, the mutual fixed connection can also be an integral structure (for example, the mutual fixed connection is manufactured by casting and integral forming instead (except that the integral forming process can not be adopted obviously).
In addition, the terms used in any aspect of the present disclosure as described above to indicate positional relationships or shapes include similar, analogous, or approximate states or shapes unless otherwise stated. The utility model provides an arbitrary part both can be assembled by a plurality of solitary component parts and form, also can be the solitary part that the integrated into one piece technology was made.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.
Claims (10)
1. A capacitor core is characterized by comprising a capacitor core body and an isolation layer; wherein the content of the first and second substances,
the capacitor core body comprises an anode layer and a cathode layer, and the isolation layer is positioned between the anode layer and the cathode layer;
the isolation layer comprises at least four layers of superimposed electrolytic paper, and/or the electrolytic paper is made of a pressure-resistant material.
2. Condenser core according to claim 1, characterized in that the electrolytic paper is of insulating wood pulp.
3. Condenser core according to claim 2, characterized in that the density of the electrolytic paper is 0.8-0.9 g/cm3。
4. A condenser core according to any one of claims 1-3, wherein the separator comprises four layers of said electrolytic paper, and four layers of said electrolytic paper are stacked.
5. Capacitor core according to claim 1, characterized in that the anode layer and the cathode layer are both formed of a formed foil, the anode layer being formed of an anode foil and the cathode layer being formed of a cathode foil.
6. Condenser core according to claim 5, characterized in that the cathode layer is an aluminium foil with a pressure of 3VF or more.
7. The capacitor core according to claim 1, wherein the capacitor core body further comprises an anode guide pin and a cathode guide pin, one end of the anode guide pin is electrically connected with the anode layer, and the other end of the anode guide pin extends out of the capacitor core body, and one end of the cathode guide pin is electrically connected with the cathode layer, and the other end of the cathode guide pin extends out of the capacitor core body.
8. Condenser core according to claim 7, characterized in that the anode and cathode guide pins are each made of aluminium wire pressurized above 400V.
9. An electrolytic capacitor comprising an electrolytic capacitor body and a capacitor element as claimed in any one of claims 1 to 8; wherein the content of the first and second substances,
the electrolytic capacitor body comprises a shell and a sleeve, the capacitor core is arranged in the shell and is soaked with electrolyte, and the sleeve is sleeved outside the shell; the capacitor core comprises an anode guide pin and a cathode guide pin, one end of the anode guide pin is electrically connected with the anode layer, the other end of the anode guide pin extends out of the shell, and one end of the cathode guide pin is electrically connected with the cathode layer, and the other end of the cathode guide pin extends out of the shell; the electrolyte is long carbon chain branched chain organic amine salt.
10. A power adapter comprising an adapter body and the electrolytic capacitor of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922127869.3U CN211088083U (en) | 2019-11-29 | 2019-11-29 | Capacitor core, electrolytic capacitor and power adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922127869.3U CN211088083U (en) | 2019-11-29 | 2019-11-29 | Capacitor core, electrolytic capacitor and power adapter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211088083U true CN211088083U (en) | 2020-07-24 |
Family
ID=71645835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922127869.3U Active CN211088083U (en) | 2019-11-29 | 2019-11-29 | Capacitor core, electrolytic capacitor and power adapter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211088083U (en) |
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2019
- 2019-11-29 CN CN201922127869.3U patent/CN211088083U/en active Active
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Effective date of registration: 20201218 Address after: No. 8, East Longshan 2nd Road, Longshan Industrial Zone, Doumen Town, Doumen District, Zhuhai City, Guangdong Province Patentee after: ZHUHAI GREE XINYUAN ELECTRONICS Co.,Ltd. Patentee after: GREE ELECTRIC APPLIANCES,Inc.OF ZHUHAI Patentee after: Gree Xinyuan Electronics (Nanjing) Co.,Ltd. Address before: No. 8, East Longshan 2nd Road, Longshan Industrial Zone, Doumen Town, Doumen District, Zhuhai City, Guangdong Province Patentee before: ZHUHAI GREE XINYUAN ELECTRONICS Co.,Ltd. Patentee before: GREE ELECTRIC APPLIANCES,Inc.OF ZHUHAI |