CN110349752A - Electrolytic capacitor with insulating layer, control panel and air conditioner - Google Patents
Electrolytic capacitor with insulating layer, control panel and air conditioner Download PDFInfo
- Publication number
- CN110349752A CN110349752A CN201910585895.2A CN201910585895A CN110349752A CN 110349752 A CN110349752 A CN 110349752A CN 201910585895 A CN201910585895 A CN 201910585895A CN 110349752 A CN110349752 A CN 110349752A
- Authority
- CN
- China
- Prior art keywords
- electrolytic capacitor
- positive
- end cap
- plate group
- insulating layer
- 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.)
- Pending
Links
- 239000003990 capacitor Substances 0.000 title claims abstract description 40
- 239000005030 aluminium foil Substances 0.000 claims description 15
- 238000005868 electrolysis reaction Methods 0.000 claims description 9
- 229920001971 elastomer Polymers 0.000 claims description 6
- 229920001342 Bakelite® Polymers 0.000 claims description 4
- 239000004637 bakelite Substances 0.000 claims description 4
- 239000011888 foil Substances 0.000 abstract description 9
- 229910052782 aluminium Inorganic materials 0.000 abstract description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 8
- 230000015556 catabolic process Effects 0.000 abstract description 3
- 238000004804 winding Methods 0.000 abstract description 2
- 239000003792 electrolyte Substances 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/88—Electrical aspects, e.g. circuits
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-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
- H01G9/08—Housing; Encapsulation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-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
- H01G9/14—Structural combinations or circuits for modifying, or compensating for, electric characteristics of electrolytic capacitors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/145—Liquid electrolytic capacitors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fixed Capacitors And Capacitor Manufacturing Machines (AREA)
Abstract
The invention discloses an electrolytic capacitor with an insulating layer, a control panel and an air conditioner, wherein the electrolytic capacitor with the insulating layer comprises: one end of the capacitor core is provided with an open shell, a capacitor core arranged in an inner cavity of the shell and an end cover for closing the open end, the capacitor core is provided with a positive electrode plate group and a negative electrode plate group which extend out of the end cover, the positive electrode plate group and the negative electrode plate group are bent towards the end surface of the capacitor core under the pressing of the end cover, and an insulating layer is arranged between the positive electrode plate group and the negative electrode plate group and the end surface. The invention can effectively solve the problems of low capacity, insufficient withstand voltage of the positive electrode and the negative electrode, breakdown failure and the like of the electrolytic capacitor caused by poor aluminum foil winding.
Description
Technical field
The present invention relates to electrolytic capacitor technical fields, more particularly to the electrolytic capacitor with insulating layer, control panel and air conditioner.
Background technique
Electrolytic capacitor is one kind of capacitor, and metal foil is positive (aluminium or tantalum), and the oxidation film being close to anode be (metal foil
Oxide layer) it is dielectric, cathode is common by conductive material, electrolyte (electrolyte can be liquid or solid) and other materials
Composition, electrolyte is the major part of cathode, and alminium electrolytic condenser uses the most extensive at present.
Durability experiment is being done to high-voltage electrolytic capacitor, sinusoidal voltage identical with ripple current frequencies is superimposed upon directly
In galvanic electricity pressure, peak value is no more than rated direct voltage, and is no more than rated ripple current value.Therapy lasted goes out for a period of time
Existing component failure, device can not continue to voltage, ripple current, test unqualified.Positive and negative anodes aluminum foil coil by analysis around
Sideslip electrolytic paper controls standard around general electrolytic paper package aluminium foil both sides preset space without effectively wrapping up aluminium foil, aluminum foil coil
2.5mm, the current industry of winding quality control means is without effectively detection and monitoring means.As shown in Figure 1, aluminum foil coil is around sideslip
Afterwards, positive pole aluminium foil or cathode aluminium foil are prominent, and end cap 3 is detained when sealing in the opening of shell 1, draw on capacitance core 2 positive and negative
Pole piece group 4 and electrolytic paper have certain depth to squeeze impression, cause the positive and negative very effective electric clearance of electrolytic capacitor to reduce, practical electricity is resistance to
Test will appear the relatively low phenomenon of capacity long, can not apply voltage.High-voltage electrolytic capacitor is mainly used in mainboard pfc circuit, inversion
Circuit, under zero load and overload load condition, Capacity decline will not occur at once in electrolytic capacitor or breakdown is failed, but capacitor
Service life will receive influence.
Therefore, how the reliable electrolytic capacitor of design safety is industry technical problem urgently to be resolved.
Summary of the invention
Electrolytic capacitor capacity in the prior art is relatively low, the insufficient defect of pressure resistance in order to solve, and the present invention proposes band insulating layer
Electrolytic capacitor, control panel and air conditioner.
The technical solution adopted by the present invention is that electrolytic capacitor of the design with insulating layer, comprising: one end is equipped with the shell of opening
The end cap that body, the capacitance core being set in the housing in chamber, closing are open, capacitance core are equipped with the positive/negative plate group stretched out to end cap,
Positive/negative plate group under the compacting of the end cap to the end face bends of the capacitance core, the end face of positive/negative plate group and capacitance core it
Between be equipped with insulating layer be isolated.
Preferably, insulating layer is laid on the end face of capacitance core.
Preferably, positive/negative plate group is stretched out from the end face of capacitance core to end cap, and insulating layer, which is equipped with, is used for positive/negative plate group
The notch section passed through.
Preferably, insulating layer uses insulating paper.
Preferably, the pressure-resistant range of insulating layer is 800V ~ 1000V.
Preferably, positive/negative plate group includes: positive plate and negative electrode tab, and positive plate is connected with the positive pin for being pierced by end cap, is born
Pole piece is connected with the negative pin for being pierced by end cap.
Preferably, positive plate and negative electrode tab are all made of aluminium foil.
Preferably, end cap uses bakelite lid.
Preferably, it is equipped with rubber stopper towards the end face of housing cavity on end cap, end cap passes through rubber stopper sealed opening.
Preferably, after capacitance core is successively stacked by positive pole aluminium foil, the first electrolysis paper layer, cathode aluminium foil and the second electrolysis paper layer
It winds.
The invention also provides control panels comprising above-mentioned electrolytic capacitor.
The invention also provides air conditioners comprising above-mentioned control panel.
Compared with prior art, the present invention increases absolutely between the positive/negative plate group that capacitance core is drawn and the end face of capacitance core
Edge layer effectively solves electrolytic capacitor because aluminum foil coil around bad leads to capacity by insulator separation positive/negative plate group and capacitance core
The problem of relatively low, positive and negative polarities are pressure-resistant insufficient breakdown failure.
Detailed description of the invention
Below with reference to embodiment and attached drawing, the present invention is described in detail, in which:
Fig. 1 is the enclosure interior schematic diagram of end cap opening state in the prior art；
Fig. 2 is the enclosure interior schematic diagram of end cap opening state in the present invention.
Specific embodiment
As shown in Fig. 2, the present invention proposes the electrolytic capacitor with insulating layer, comprising: shell 1, capacitance core 2 and end cap 3, shell
1 shape is cylindrical, and one end of shell 1 is equipped with opening, and opening is closed by end cap 3, and capacitance core 2 is mounted on the inner cavity of shell 1
In, capacitance core 2 is equipped with the positive/negative plate group 4 stretched out to end cap 3, when end cap 3 detains the opening of seal casinghousing 1, positive/negative plate
For group 4 to the end face bends of capacitance core 2 under the compacting of end cap 3, the bending part of positive/negative plate group 4 is close or is fitted in capacitance core 2
End face on, between positive/negative plate group 4 and the end face of capacitance core 2 be equipped with insulating layer 5 be isolated, can effectively solve electrolysis electricity
Holding aluminum foil coil, to lead to that capacity is relatively low, the two poles of the earth are pressure-resistant insufficient punctures Problem of Failure around bad races foil.
Insulating layer 5 is laid on the end face of capacitance core 2, and positive/negative plate group 4 is stretched out from the end face of capacitance core 2 to end cap 3,
Insulating layer 5 is equipped with the notch section passed through for positive/negative plate group 4, and insulating layer 5 preferably uses insulating paper, can wind in capacitance core 2
Insulating layer 5 is layered on the end face of capacitance core 2 again after being made, the pressure-resistant range of insulating layer 5 is 800V ~ 1000V, to meet electrolysis
The higher resistance to pressure request of capacitor.
Specifically, positive/negative plate group 4 includes: positive plate and negative electrode tab, and positive plate, which is connected with, is pierced by just drawing for end cap 3
Foot, negative electrode tab are connected with the negative pin for being pierced by end cap 3, and capacitance core 2 is by positive pole aluminium foil, the first electrolysis paper layer, cathode aluminium foil and the
Two electrolysis paper layers are wound after successively stacking, and the second electrolysis paper layer is located at the outermost of capacitance core 2, one end of positive plate and just
Pole aluminium foil riveting, the other end of positive plate and positive pin rivet, one end of negative electrode tab and cathode aluminium foil riveting, negative electrode tab it is another
End is riveted with negative pin, and positive plate and negative electrode tab are all made of aluminium foil.
Preferably, shell 1 uses aluminum hull, and the quality of electrolytic capacitor is lighter, and end cap 3 uses bakelite lid, and bakelite has higher
Mechanical strength, good insulating properties, and it is heat-resisting, corrosion-resistant, extend the service life of electrolytic capacitor.Towards shell on end cap 3
The end face of 1 inner cavity of body is equipped with rubber stopper, and end cap 3 effectively prevent the electrolyte of capacitance core 2 to ooze out dirty by rubber stopper sealed opening
Contaminate environment.
The invention also provides the control panel including above-mentioned electrolytic capacitor, which be can be apply to air conditioners.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (12)
1. a kind of electrolytic capacitor, comprising: one end is equipped with the shell, the capacitance core being disposed in the housing in chamber, closing institute of opening
The end cap of opening is stated, the capacitance core is equipped with the positive/negative plate group stretched out to the end cap, and the positive/negative plate group is described
To the end face bends of the capacitance core under the compacting of end cap；It is characterized in that, the end of the positive/negative plate group and the capacitance core
Insulating layer is equipped between face to be isolated.
2. electrolytic capacitor as described in claim 1, which is characterized in that the insulating layer is laid in the end face of the capacitance core
On.
3. electrolytic capacitor as claimed in claim 2, which is characterized in that the positive/negative plate group is from the end face of the capacitance core
It is stretched out to the end cap, the insulating layer is equipped with the notch section passed through for the positive/negative plate group.
4. electrolytic capacitor as described in claim 1, which is characterized in that the insulating layer uses insulating paper.
5. electrolytic capacitor as described in claim 1, which is characterized in that the pressure-resistant range of the insulating layer is 800V ~ 1000V.
6. electrolytic capacitor as described in claim 1, which is characterized in that the positive/negative plate group includes: positive plate and negative electrode tab,
The positive plate is connected with the positive pin for being pierced by the end cap, and the negative electrode tab is connected with the negative pin for being pierced by the end cap.
7. electrolytic capacitor as claimed in claim 6, which is characterized in that the positive plate and the negative electrode tab are all made of aluminium foil.
8. electrolytic capacitor as described in claim 1, which is characterized in that the end cap uses bakelite lid.
9. electrolytic capacitor as claimed in claim 8, which is characterized in that set on the end cap towards the end face of the housing cavity
There is rubber stopper, the end cap seals the opening by the rubber stopper.
10. electrolytic capacitor as described in any one of claim 1 to 9, which is characterized in that the capacitance core is by positive pole aluminium foil,
One electrolysis paper layer, cathode aluminium foil and the second electrolysis paper layer are wound after successively stacking.
11. a kind of control panel characterized by comprising electrolytic capacitor as described in any one of claim 1 to 10.
12. a kind of air conditioner characterized by comprising control panel as claimed in claim 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910585895.2A CN110349752A (en) | 2019-07-01 | 2019-07-01 | Electrolytic capacitor with insulating layer, control panel and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910585895.2A CN110349752A (en) | 2019-07-01 | 2019-07-01 | Electrolytic capacitor with insulating layer, control panel and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110349752A true CN110349752A (en) | 2019-10-18 |
Family
ID=68177070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910585895.2A Pending CN110349752A (en) | 2019-07-01 | 2019-07-01 | Electrolytic capacitor with insulating layer, control panel and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110349752A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110808166A (en) * | 2019-11-28 | 2020-02-18 | 铜陵市佳龙飞电容器有限公司 | High-conductivity breakdown-resistant capacitor and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6310756B1 (en) * | 1999-03-02 | 2001-10-30 | Matsushita Electric Industrial Co., Ltd. | Capacitor |
| CN101714458A (en) * | 2008-10-06 | 2010-05-26 | 南通海立电子有限公司 | Aluminum electrolytic capacitor cover plate |
| CN205789523U (en) * | 2016-05-25 | 2016-12-07 | 深圳市科顺达电子有限公司 | A kind of aluminium electrolutic capacitor structure of high frequency low-resistance |
| CN207818391U (en) * | 2017-12-20 | 2018-09-04 | 东莞市卓昊电子有限公司 | A kind of anti-short-circuit electrolytic capacitor |
-
2019
- 2019-07-01 CN CN201910585895.2A patent/CN110349752A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6310756B1 (en) * | 1999-03-02 | 2001-10-30 | Matsushita Electric Industrial Co., Ltd. | Capacitor |
| CN101714458A (en) * | 2008-10-06 | 2010-05-26 | 南通海立电子有限公司 | Aluminum electrolytic capacitor cover plate |
| CN205789523U (en) * | 2016-05-25 | 2016-12-07 | 深圳市科顺达电子有限公司 | A kind of aluminium electrolutic capacitor structure of high frequency low-resistance |
| CN207818391U (en) * | 2017-12-20 | 2018-09-04 | 东莞市卓昊电子有限公司 | A kind of anti-short-circuit electrolytic capacitor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110808166A (en) * | 2019-11-28 | 2020-02-18 | 铜陵市佳龙飞电容器有限公司 | High-conductivity breakdown-resistant capacitor and preparation method thereof |
| CN110808166B (en) * | 2019-11-28 | 2021-06-22 | 铜陵市佳龙飞电容器有限公司 | High-conductivity breakdown-resistant capacitor and preparation method thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191018 |
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| RJ01 | Rejection of invention patent application after publication |