CN215265934U - A high temperature durable capacitor - Google Patents
A high temperature durable capacitor Download PDFInfo
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- CN215265934U CN215265934U CN202121151949.3U CN202121151949U CN215265934U CN 215265934 U CN215265934 U CN 215265934U CN 202121151949 U CN202121151949 U CN 202121151949U CN 215265934 U CN215265934 U CN 215265934U
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Abstract
本实用新型涉及一种耐高温耐用电容器，包括电容外壳、封装在电容外壳内的电容芯子、盒盖、盒盖上具有电极引出线，所述的电容外壳外层套有外圈，外圈上部为开口，下部具有底座，电容外壳与外圈之间形成环形状的散热空腔；所述散热空腔内设置有导热片组，所述导热片组由多块导热片组成，导热片纵向设置，多片导热片形成环形的导热片组，导热片为弧形结构，具有弹性，导热片内端与电容外壳固定连接，外端与外圈弹性接触；所述的底座为镂空通风结构，镂空通风部分与散热空腔对应，底座中部上端面设置有弹簧。本实用新型所述的一种耐高温耐用电容器，具有良的散热与减震效果，通过导热片组进行散热，导热片组降低了周围环境震动对电容芯子产生的影响。
The utility model relates to a high temperature resistant and durable capacitor, which comprises a capacitor shell, a capacitor core packaged in the capacitor shell, a box cover and an electrode lead wire on the box cover. The upper part is an opening, the lower part has a base, and a ring-shaped heat dissipation cavity is formed between the capacitor shell and the outer ring; the heat dissipation cavity is provided with a heat conduction sheet group, and the heat conduction sheet group is composed of a plurality of heat conduction sheets, and the heat conduction sheet is longitudinally arranged. A plurality of heat-conducting sheets form an annular heat-conducting sheet group, the heat-conducting sheet is an arc-shaped structure and has elasticity, the inner end of the heat-conducting sheet is fixedly connected with the capacitor shell, and the outer end is in elastic contact with the outer ring; the base is a hollow ventilation structure, The hollow ventilation part corresponds to the heat dissipation cavity, and the upper end surface of the middle part of the base is provided with a spring. The high-temperature-resistant and durable capacitor of the utility model has good heat dissipation and shock absorption effects. The heat dissipation is carried out through the heat-conducting sheet group, and the heat-conducting sheet group reduces the influence of the vibration of the surrounding environment on the capacitor core.
Description
Technical Field
The utility model belongs to the technical field of the condenser and specifically relates to a high temperature resistant durable condenser.
Background
The capacitor is two conductors close to each other, and a layer of non-conductive insulating medium is sandwiched between the two conductors. When a voltage is applied between the two plates, the capacitor stores charge. The capacitance of the capacitor is numerically equal to the ratio of the amount of charge on one conductive plate to the voltage between the two plates. The basic unit of capacitance of a capacitor is farad (F). The capacitor element is generally denoted by letter C in the circuit diagram. With the change of electronic information technology, the update speed of digital electronic products is faster and faster, which drives the growth of capacitor industry, and the power required by the circuit is gradually increased, and the power of the capacitor is also increased. High power capacitors necessarily generate a large amount of heat, which causes deformations inside and outside the capacitor, such as: the housing expands or leaks oil, and therefore, heat dissipation of the capacitor is required during use of the capacitor.
The capacitor can generate heat energy in the long-time use process, if the capacitor shell is exposed to high-temperature working environment, explosion can easily occur, electronic components around the capacitor shell are seriously damaged during explosion, so that the whole circuit is disconnected or burnt, the working environment of the conventional capacitors has high requirements, the capacitor cannot normally work and operate due to general overhigh temperature, and the application range of the capacitor is reduced
SUMMERY OF THE UTILITY MODEL
The utility model discloses an overcome the problem that exists among the above-mentioned, provide a high temperature resistant durable condenser, have good heat dissipation and shock attenuation effect, through heat conduction piece group, dispel the heat, simultaneously, heat conduction piece group has reduced the influence that the surrounding environment vibrations produced the electric capacity core, and the spring of lower extreme above that, further reduces the influence that the surrounding environment vibrations produced the electric capacity core, and is reliable to the protectiveness of electric capacity core.
The utility model provides a technical scheme that its technical problem adopted is: a high-temperature resistant durable capacitor comprises a capacitor shell, a capacitor core packaged in the capacitor shell, a box cover and an electrode outgoing line arranged on the box cover, wherein the outer layer of the capacitor shell is sleeved with an outer ring, the upper part of the outer ring is provided with an opening, the lower part of the outer ring is provided with a base, and a ring-shaped heat dissipation cavity is formed between the capacitor shell and the outer ring; a heat conducting fin group is arranged in the heat dissipation cavity, the heat conducting fin group consists of a plurality of heat conducting fins, the heat conducting fins are longitudinally arranged, the plurality of heat conducting fins form an annular heat conducting fin group, the heat conducting fins are of arc structures and have elasticity, the inner ends of the heat conducting fins are fixedly connected with the capacitor shell, and the outer ends of the heat conducting fins are in elastic contact with the outer ring; the base is of a hollow ventilation structure, the hollow ventilation part corresponds to the heat dissipation cavity, a spring is arranged on the upper end face of the middle part of the base, and the capacitor shell is placed on the spring; a plurality of ventilation grooves are formed in the periphery of the outer ring; and an upper cover is arranged on the upper part of the outer ring.
Preferably, the base is a hollow ventilation cavity. The heat dissipation effect is improved.
Preferably, a ventilation fan is arranged in the cavity. Further improving the heat dissipation effect.
Preferably, the bottom of the ventilation groove is provided with a guide plate which inclines inwards,
preferably, the outer ring is provided with a plurality of U-shaped cutting grooves, and the lower ends of the U-shaped cutting grooves are pressed downwards to form the ventilation grooves.
Preferably, the inner wall of the outer ring is provided with a plurality of clamping columns, and the tail end of the heat conducting sheet corresponds to the clamping groove.
Preferably, the upper cover is locked with the outer ring, and a spring is arranged at the bottom of the upper cover. After the capacitor shell is installed, the periphery, the upper part and the lower part of the capacitor shell have a damping effect. The influence of the vibration of the surrounding environment on the capacitor core is reduced, and meanwhile, under the action of the heat conducting plate group, the heat radiating performance is good.
Preferably, the upper cover is provided with a plurality of ventilation openings, and the ventilation openings correspond to the upper part of the heat dissipation cavity.
Preferably, the upper cover is provided with an electrode wire outlet. The electrode outgoing line penetrates out of the electrode line outlet, and the electrode outgoing line is movably inserted on the electrode line outlet to reserve a space for the vibration displacement of the capacitor shell.
Preferably, the bottom end periphery of the heat conducting plate group is provided with an inclined chamfer. The inclined chamfers are arranged on each heat conducting sheet, so that the bottom edge of the whole heat conducting sheet set forms an annular chamfer structure, during installation, the heat conducting sheet set is installed in the inclined chamfer direction, the outer diameter of the heat conducting sheet set is slightly larger than that of the outer ring before installation, the heat conducting sheet set is compressed along the arc surface after the heat conducting sheet set is installed along the chamfer structure, and each heat conducting sheet is tightly attached to the outer ring, so that the heat radiating and shockproof effects are achieved.
The utility model has the advantages that: a high temperature resistant durable capacitor, dispel the heat through the group of heat-conducting fins, meanwhile, the group of heat-conducting fins has reduced the influence that the vibration of the surrounding environment produces the electric capacity core, add the spring of its upper and lower ends, further reduce the influence that the vibration of the surrounding environment produces the electric capacity core, the protection to the electric capacity core is reliable; the inclined chamfer angle of the bottom peripheral edge of the heat conducting sheet group is arranged on each heat conducting sheet, so that the bottom edge of the whole heat conducting sheet group forms an annular chamfer angle structure, the heat conducting sheet group is installed in the inclined chamfer angle direction during installation, the outer diameter of the heat conducting sheet group is slightly larger than that of an outer ring before installation, the heat conducting sheet group is compressed along an arc surface after the heat conducting sheet group is installed along the chamfer angle structure, each heat conducting sheet is tightly attached to the outer ring, the heat radiating and shockproof effects are achieved, the installation is stable, after the capacitor is used for a long time, effective buffering and space are achieved under the self-extending and deformation effects of the heat conducting sheet group when the capacitor shell expands, and the outer ring is prevented from being exploded due to expansion of the capacitor; and ventilation fan carries out initiative heat dissipation, and efficiency is higher, and when using ventilation fan, the guide plate makes most air current lead to inside, makes more ventilations to the upper portion of heat dissipation cavity, improves the radiating effect, even when not using ventilation fan, still can carry out passive heat dissipation through the ventilation groove.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is a schematic front sectional view of a high temperature resistant and durable capacitor according to the present invention;
fig. 2 is a schematic view of a top-view cross-sectional structure of a high temperature resistant and durable capacitor according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will now be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
As shown in fig. 1 and 2, the high temperature resistant durable capacitor comprises a capacitor housing 1, a capacitor core 2 enclosed in the capacitor housing 1, a box cover 11, and an electrode lead wire 12 arranged on the box cover 11, wherein an outer ring 3 is sleeved on the outer layer of the capacitor housing 1, the upper part of the outer ring 3 is provided with an opening, the lower part of the outer ring is provided with a base 31, and a ring-shaped heat dissipation cavity 10 is formed between the capacitor housing 1 and the outer ring 3; a heat conducting fin group is arranged in the heat dissipation cavity 10, the heat conducting fin group is composed of a plurality of heat conducting fins 4, the heat conducting fins 4 are longitudinally arranged, the plurality of heat conducting fins 4 form an annular heat conducting fin group, the heat conducting fins 4 are of arc structures and have elasticity, the inner ends of the heat conducting fins 4 are fixedly connected with the capacitor shell 1, and the outer ends of the heat conducting fins are in elastic contact with the outer ring 3; the base 31 is a hollow ventilation structure 32, the hollow ventilation part corresponds to the heat dissipation cavity 10, a spring 33 is arranged on the upper end face of the middle part of the base 31, and the capacitor shell 1 is placed on the spring 33; a plurality of ventilation grooves 34 are formed in the periphery of the outer ring 3; an upper cover 5 is arranged on the upper part of the outer ring 3.
The periphery of the bottom end of the heat conducting plate group is provided with an inclined chamfer 41. This slope chamfer 41 sets up on every conducting strip 4, makes the end of whole conducting strip group along forming annular chamfer structure, and during the installation, the conducting strip group is packed into by slope chamfer 41 direction, and conducting strip group external diameter slightly is greater than outer lane 3 before the installation, packs into the back along the chamfer structure, makes the conducting strip group along the arcwall face compression, and every conducting strip 4 hugs closely outer lane 3, has heat dissipation and shockproof effect.
The base 31 is a hollow ventilation cavity, and the periphery or the bottom surface of the ventilation cavity of the base 31 is provided with ventilation openings 36. More specifically, a ventilation fan 37 is arranged in the cavity, so that the ventilation and heat dissipation effects are further improved.
In this embodiment, the heat conducting strip group still includes inner tube 40, every heat conducting strip 4 is fixed on inner tube 40, its structure is as an organic whole or the welding can all, inner tube 40 and capacitor case 1 adaptation, cup joint capacitor case 1 on, inner tube 40 week is followed, have a plurality of crack grooves 42 between two heat conducting strips 4 promptly, scribble the heat conduction cream on crack groove 42, the heat conduction is effectual, and make inner tube 40 have the dilatational strain effect, during the inflation, extrude crack groove 42, be convenient for install, long service life, can expand along with capacitor case 1, prevent breaking and drop.
The bottom of the ventilation slot 34 is provided with a guide plate 341, the guide plate 341 is inclined towards the inside, and when the ventilation fan is used, the guide plate 341 guides most of air flow towards the inside, so that more air flow is led to the upper part of the heat dissipation cavity 10, and the heat dissipation effect is improved.
The outer ring is provided with a plurality of U-shaped cutting grooves, and the lower ends of the U-shaped cutting grooves are pressed downwards to form the ventilation grooves 34.
The inner wall of the outer ring 3 is provided with a plurality of clamping columns 35, the tail end of the heat conducting sheet 4 corresponds to the clamping groove 35, and the clamping columns 35 have a limiting effect.
The upper cover 5 is locked with the outer ring 3, and the bottom of the upper cover 5 is provided with a spring 33. After the capacitor shell is installed, the periphery, the upper part and the lower part of the capacitor shell 1 have a damping effect. The influence of the vibration of the surrounding environment on the capacitor core 2 is reduced, and meanwhile, under the action of the heat conducting plate group, the heat dissipation performance is good.
The upper cover 5 is provided with a plurality of ventilation openings, and the ventilation openings correspond to the upper part of the heat dissipation cavity 10, so that the ventilation effect of the heat dissipation cavity is improved. The upper cover 5 and the outer ring 3 are provided with connecting lugs between which screws are mounted for locking, so that the mounting is convenient and the disassembly and maintenance are easy.
The upper cover 5 is provided with an electrode wire outlet. The electrode outgoing line 12 penetrates out of the electrode wire outlet, and the electrode outgoing line 12 is movably inserted on the electrode wire outlet to reserve a space for the vibration displacement of the capacitor shell 1.
The high-temperature-resistant durable capacitor provided by the utility model dissipates heat through the heat conducting sheet set, and meanwhile, the heat conducting sheet set reduces the influence of the vibration of the surrounding environment on the capacitor core; the inclined chamfer angle of the bottom peripheral edge of the heat conducting sheet group is arranged on each heat conducting sheet 4, so that the bottom edge of the whole heat conducting sheet group forms an annular chamfer angle structure, the heat conducting sheet group is assembled in the direction of the inclined chamfer angle 41 during installation, the outer diameter of the heat conducting sheet group is slightly larger than that of the outer ring 3 before installation, the heat conducting sheet group is compressed along the arc surface after the heat conducting sheet group is assembled along the chamfer angle structure, each heat conducting sheet 4 is tightly attached to the outer ring 3, the heat radiating and shockproof effects are achieved, the installation is stable, after the capacitor is used for a long time, when the capacitor shell expands, effective buffering and space are achieved under the self-extending and deformation effects of the heat conducting sheet group, and the outer ring is prevented from being exploded due to expansion of the capacitor; and the ventilation fan carries out initiative heat dissipation, and efficiency is higher, and when using the ventilation fan, guide plate 341 makes most air current lead to inside, makes more air current circulate to the upper portion of heat dissipation cavity 10, improves the radiating effect, even when not using the ventilation fan, still can carry out the passive heat dissipation through ventilation groove 34.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121151949.3U CN215265934U (en) | 2021-05-27 | 2021-05-27 | A high temperature durable capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121151949.3U CN215265934U (en) | 2021-05-27 | 2021-05-27 | A high temperature durable capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215265934U true CN215265934U (en) | 2021-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121151949.3U Active CN215265934U (en) | 2021-05-27 | 2021-05-27 | A high temperature durable capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215265934U (en) |
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2021
- 2021-05-27 CN CN202121151949.3U patent/CN215265934U/en active Active
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Effective date of registration: 20250625 Address after: 230000 Zhongke Advanced Manufacturing Innovation Industrial Park, Anhui Juchao Economic Development Zone, No. 16 Qilu Road, Chaohu City, Hefei City, Anhui Province Patentee after: Hefei Yuechen New Energy Technology Co.,Ltd. Country or region after: China Address before: 510000 room 276, building 1, No. 20 taihegang Road, Yuexiu District, Guangzhou, Guangdong Patentee before: Guangzhou Shengmen New Material Technology Co.,Ltd. Country or region before: China |