CN204857465U - Solid electrolyte condenser - Google Patents
Solid electrolyte condenser Download PDFInfo
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- CN204857465U CN204857465U CN201520637422.XU CN201520637422U CN204857465U CN 204857465 U CN204857465 U CN 204857465U CN 201520637422 U CN201520637422 U CN 201520637422U CN 204857465 U CN204857465 U CN 204857465U
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- aluminium foil
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Abstract
The utility model provides a solid electrolyte condenser belongs to the electronic component field. The problem that it had been solved the evaporation of liquid capacitor electrolyte, had been leaked, had easily been fired, condenser heat dispersion subalternation technical problem. This solid electrolyte condenser including cladding in the casing of the external side of the capacitor, is connected with the negative pole utmost point ear and the positive pole utmost point ear that extend to the casing outside on the the capacitor body, its characterized in that, the the capacitor body including the aluminium foil, the both sides of aluminium foil are equipped with the solid electrolyte layer, the one side on solid electrolyte layer be equipped with insulating heat -conduction polymer layer, heat -conduction polymer layer on be equipped with the negative pole coating that is connected with negative pole utmost point ear, the aluminium foil on be connected with positive pole utmost point ear, the casing on be equipped with heat radiation structure. The utility model has the advantages of leaking can not appear in difficult electric leakage, electrolyte, good heat dispersion has simultaneously.
Description
Technical field
The utility model belongs to electronic component technology field, relates to capacitor, especially relates to a kind of solid electrolyte capacitors.
Background technology
Capacitor, being usually called for short its ability holding electric charge is electric capacity.And the defect such as the leakage of liquid aluminium electrochemical capacitor, life-span be short denounce by user.Want to make that mainboard is stable, Effec-tive Function, adopt solid electrolyte electric capacity usually to play key effect, the mainboard for some inadequate natural endowments can play good effect especially.Under the prerequisite guaranteeing capacitor quality, high temperature, superpressure are the key factors causing liquid electrolyte condenser failure.The working temperature of liquid electrolyte electric capacity often rises and will shorten over half ten degrees Celsius of its useful lifes.The heat of electric capacity is on the one hand from the heat that mainboard and the heat radiation of other boards are discharged, and this is that operational environment causes, and can reduce this heat transmission by improving cooling measure.Be on the other hand then because the electrolyte of electric capacity exists resistance, produce therein when electric current flows through electric capacity, heating that this situation causes be reduced and only have and realized by electrolytical technological innovation.
Such as, Chinese patent literature discloses a kind of solid electrolytic capacitor [application number: CN201120404353.X], comprises an aluminium matter anode; Be formed in the dielectric layer on the surface of this aluminium matter anode; One is located at the conductive layer on this dielectric layer; And pair of electrodes terminal, it comprises the cathode electrode that an anode electrode and being connected to this aluminium matter anode is connected to this conductive layer.
Although such scheme adopts solid electrolyte, solve the evaporation of liquid capacitor electrolyte, leakage, inflammable problem, there is good working stability performance.But above-mentioned solid electrolytic capacitor exists heat dispersion difference, easily expand the phenomenons such as even blast when working temperature is too high, security performance is poor.
Summary of the invention
The purpose of this utility model is for the problems referred to above, provides a kind of solid electrolyte capacitors, have not easily leak electricity, electrolyte there will not be the advantage of leakage, has good heat dispersion simultaneously.
For achieving the above object, the utility model have employed following technical proposal: this solid electrolyte capacitors, comprise the housing be coated on outside capacitor core body, capacitor core body is connected with the cathode tab and anode lug that extend to hull outside, it is characterized in that, described capacitor core body comprises aluminium foil, the both sides of described aluminium foil are provided with solid-state electrolyte layer, the side of described solid-state electrolyte layer is provided with insulate heat conductive polymer layer, described polymer of thermal conductivity layer is provided with the cathode be connected with cathode tab, described aluminium foil is connected with anode lug, described housing is provided with radiator structure.The advantage that solid electrolyte has not easily electric leakage, electrolyte there will not be leakage is adopted in this programme, the radiator structure simultaneously housing arranged makes capacitor have good heat dispersion, prevent capacitor from expanding when temperature is too high or exploding, the long service life of capacitor, uses the equipment of this capacitor to have good stability.
In above-mentioned solid electrolyte capacitors, described solid-state electrolyte layer adopts alumina layer or zirconia layer, and described cathode is silver oxide coating.Solid-state electrolyte layer adopts alumina layer or zirconia layer, has good resistance to elevated temperatures.
In above-mentioned solid electrolyte capacitors, one end of described aluminium foil is the terminals striking out flat structure, and described terminals are connected with positive pole ear, and one end being positioned at housing of positive pole ear is connected with solid-state electrolyte layer by insulating adhesive.The thickness of terminals is less, is connected with positive pole ear by wire, and the resistance of junction is less, and positive pole ear is by insulating adhesive and solid-state electrolyte layer in addition, and the bonding strength of positive pole ear is large, not easy fracture.
In above-mentioned solid electrolyte capacitors, described cathode tab is connected with the cathode being positioned at aluminium foil side by silver coating, and the cathode being positioned at aluminium foil opposite side is connected with cathode tab by metal platinized platinum.
In above-mentioned solid electrolyte capacitors, described housing is obtained by epoxide resin material, and described radiator structure is inserted on housing, and the end that radiator structure is positioned at housing is provided with insulating case.Radiator structure makes capacitor have good heat dispersion, prevent capacitor from expanding when temperature is too high or exploding, the long service life of capacitor, use the equipment of this capacitor to have good stability, the insulating case that the end of radiator structure is arranged simultaneously can prevent the appearance of the problems such as electric leakage or short circuit.
In above-mentioned solid electrolyte capacitors, described in the radiator structure be arranged on housing comprise some radiating fins, the bilateral symmetry of described radiating fin is provided with columnar protrusions, and the cross section of described columnar protrusions is semicircle or triangle or trapezoidal.Columnar protrusions can increase the area of dissipation of radiator structure, increases heat loss through radiation, improves heat dispersion.
In above-mentioned solid electrolyte capacitors, described in the radiator structure be arranged on housing comprise some radiating fins, described radiating fin offers to opening, two corresponding on adjacent two radiating fins overlap mutually to the central axis of opening.Can also strengthen cross-ventilation to opening while increase area of dissipation, radiator structure has heat loss through radiation and heat loss through convection simultaneously, perfect heat-dissipating.
In above-mentioned solid electrolyte capacitors, described housing is provided with two groove structures, and the side that cathode tab and anode lug extend to housing outer end is installed with in groove structure.
In above-mentioned solid electrolyte capacitors, described insulate heat conductive polymer layer is polyimide layer or bond plies or heat-conducting silica gel sheet.
Compared with prior art, advantage be: adopt solid electrolyte to have not easily to leak electricity, electrolyte there will not be the advantage of leakage, the radiator structure simultaneously housing arranged makes capacitor have good heat dispersion, prevent capacitor from expanding when temperature is too high or exploding, the long service life of capacitor, uses the equipment of this capacitor to have good stability.
Accompanying drawing explanation
Fig. 1 is the structural representation of the solid electrolyte capacitors that the utility model provides;
Fig. 2 is the structural representation of the radiator structure (embodiment one) that the utility model provides;
Fig. 3 is the structural representation of the radiator structure (embodiment two) that the utility model provides.
In figure, capacitor core body 2, housing 1, cathode tab 31, anode lug 32, aluminium foil 21, solid-state electrolyte layer 22, insulate heat conductive polymer layer 23, cathode 24, radiator structure 4, terminals 21a, insulating adhesive 32a, silver coating 31a, metal platinized platinum 31b, insulating case 41, radiating fin 42, columnar protrusions 43, to opening 44, groove structure 11.
Embodiment
Embodiment one:
As depicted in figs. 1 and 2, this solid electrolyte capacitors comprises the housing 1 be coated on outside capacitor core body 2, capacitor core body 2 is connected with and extends to cathode tab 31 outside housing 1 and anode lug 32, it is characterized in that, described capacitor core body 2 comprises aluminium foil 21, the both sides of described aluminium foil 21 are provided with solid-state electrolyte layer 22, the side of described solid-state electrolyte layer 22 is provided with insulate heat conductive polymer layer 23, described insulate heat conductive polymer layer 23 is provided with the cathode 24 be connected with cathode tab 31, described aluminium foil 21 is connected with anode lug 32, described housing 1 is provided with radiator structure 4, solid-state electrolyte layer 22 adopts alumina layer or zirconia layer, described cathode 24 is silver oxide coating 31a.The advantage that solid electrolyte has not easily electric leakage, electrolyte there will not be leakage is adopted in this programme, the radiator structure 4 simultaneously housing 1 arranged makes capacitor have good heat dispersion, prevent capacitor from expanding when temperature is too high or exploding, the long service life of capacitor, the equipment of this capacitor is used to have good stability, solid-state electrolyte layer 22 adopts alumina layer or zirconia layer, has good resistance to elevated temperatures.
One end of aluminium foil 21 is the terminals 21a striking out flat structure, and described terminals 21a is connected with positive pole ear, and one end being positioned at housing 1 of positive pole ear is connected with solid-state electrolyte layer 22 by insulating adhesive 32a.The thickness of terminals is less, is connected with positive pole ear by wire, and the resistance of junction is less, and positive pole ear is by insulating adhesive and solid-state electrolyte layer in addition, and the bonding strength of positive pole ear is large, not easy fracture.
Cathode tab 31 is connected with the cathode 24 being positioned at aluminium foil 21 side by silver coating 31a, and the cathode 24 being positioned at aluminium foil 21 opposite side is connected with cathode tab 31 by metal platinized platinum 31b.
Housing 1 is obtained by epoxide resin material, described radiator structure 4 is inserted on housing 1, the end that radiator structure 4 is positioned at housing 1 is provided with insulating case 41, the radiator structure 4 be arranged on housing 1 comprises some radiating fins 42, the bilateral symmetry of described radiating fin 42 is provided with columnar protrusions 43, and the cross section of described columnar protrusions 43 is semicircle or triangle or trapezoidal.Radiator structure 4 makes capacitor have good heat dispersion, prevent capacitor from expanding when temperature is too high or exploding, the long service life of capacitor, the insulating case 41 that the end of radiator structure 4 is arranged simultaneously can prevent the appearance of the problems such as electric leakage or short circuit, columnar protrusions 43 can increase the area of dissipation of radiator structure, increase heat loss through radiation, improve heat dispersion.
Housing 1 is provided with two groove structures 11, and the side that cathode tab 31 and anode lug 32 extend to housing 1 outer end is installed with in groove structure 11, and insulate heat conductive polymer layer 23 is polyimide layer or bond plies or heat-conducting silica gel sheet.
Embodiment two:
As shown in Figure 3, the radiator structure 4 be arranged on housing 1 comprises some radiating fins 42, described radiating fin 42 offers to opening 44, and two corresponding on adjacent two radiating fins 42 overlap mutually to the central axis of opening 44.Can also strengthen cross-ventilation to opening 44 while increase area of dissipation, radiator structure 4 has heat loss through radiation and heat loss through convection simultaneously, perfect heat-dissipating.In the present embodiment, all the other structures are identical with embodiment one, do not repeat at this.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Although more employ capacitor core body, housing, cathode tab, anode lug, aluminium foil, solid-state electrolyte layer, insulate heat conductive polymer layer, cathode, radiator structure, terminals, insulating adhesive, silver coating, metal platinized platinum, insulating case, radiating fin, columnar protrusions herein, to the term such as opening, groove structure, do not get rid of the possibility using other term.Use these terms to be only used to describe and explain essence of the present utility model more easily, the restriction that they are construed to any one additional is all contrary with the utility model spirit.
Claims (9)
1. a solid electrolyte capacitors, comprise the housing (1) being coated on capacitor core body (2) outside, capacitor core body (2) is connected with the cathode tab (31) and anode lug (32) that extend to housing (1) outside, it is characterized in that, described capacitor core body (2) comprises aluminium foil (21), the both sides of described aluminium foil (21) are provided with solid-state electrolyte layer (22), the side of described solid-state electrolyte layer (22) is provided with insulate heat conductive polymer layer (23), described insulate heat conductive polymer layer (23) is provided with the cathode (24) be connected with cathode tab (31), described aluminium foil (21) is connected with anode lug (32), described housing (1) is provided with radiator structure (4).
2. solid electrolyte capacitors according to claim 1, is characterized in that: described solid-state electrolyte layer (22) adopts alumina layer or zirconia layer, and described cathode (24) is silver oxide coating (31a).
3. solid electrolyte capacitors according to claim 2, it is characterized in that: one end of described aluminium foil (21) is the terminals (21a) striking out flat structure, described terminals (21a) are connected with positive pole ear, and one end being positioned at housing (1) of positive pole ear is connected with solid-state electrolyte layer (22) by insulating adhesive (32a).
4. solid electrolyte capacitors according to claim 3, it is characterized in that: described cathode tab (31) is connected with the cathode (24) being positioned at aluminium foil (21) side by silver coating (31a), the cathode (24) being positioned at aluminium foil (21) opposite side is connected with cathode tab (31) by metal platinized platinum (31b).
5. solid electrolyte capacitors according to claim 4, it is characterized in that: described housing (1) is obtained by epoxide resin material, described radiator structure (4) is inserted on housing (1), and the end that radiator structure (4) is positioned at housing (1) is provided with insulating case (41).
6. solid electrolyte capacitors as claimed in any of claims 1 to 5, it is characterized in that: described in the radiator structure (4) be arranged on housing (1) comprise some radiating fins (42), the bilateral symmetry of described radiating fin (42) is provided with columnar protrusions (43), and the cross section of described columnar protrusions (43) is semicircle or triangle or trapezoidal.
7. solid electrolyte capacitors as claimed in any of claims 1 to 5, it is characterized in that: described in the radiator structure (4) be arranged on housing (1) comprise some radiating fins (42), described radiating fin (42) offers to opening (44), two that adjacent two radiating fins (42) are above corresponding overlap mutually to the central axis of opening (44).
8. solid electrolyte capacitors according to claim 5, it is characterized in that: described housing (1) is provided with two groove structures (11), the side that cathode tab (31) and anode lug (32) extend to housing (1) outer end is installed with in groove structure (11).
9. solid electrolyte capacitors according to claim 1, is characterized in that: described insulate heat conductive polymer layer (23) is polyimide layer or bond plies or heat-conducting silica gel sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520637422.XU CN204857465U (en) | 2015-08-21 | 2015-08-21 | Solid electrolyte condenser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520637422.XU CN204857465U (en) | 2015-08-21 | 2015-08-21 | Solid electrolyte condenser |
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| Publication Number | Publication Date |
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| CN204857465U true CN204857465U (en) | 2015-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520637422.XU Active CN204857465U (en) | 2015-08-21 | 2015-08-21 | Solid electrolyte condenser |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111092254A (en) * | 2018-10-23 | 2020-05-01 | 中信国安盟固利动力科技有限公司 | All-solid-state battery with low interface impedance and high interface compatibility |
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2015
- 2015-08-21 CN CN201520637422.XU patent/CN204857465U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111092254A (en) * | 2018-10-23 | 2020-05-01 | 中信国安盟固利动力科技有限公司 | All-solid-state battery with low interface impedance and high interface compatibility |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170328 Address after: 311818 Zhejiang city of Shaoxing province Zhuji city white town, East New Road No. 265 Patentee after: Zhejiang Hongfa five peak capacitor Co. Address before: 311818 Zhuji City, Zhejiang Province, East Lake Town,, Cai Cun Patentee before: ZHEJIANG WUFENG CAPACITOR CO., LTD. |