CN204270886U - A kind of power capacitor casing - Google Patents
A kind of power capacitor casing Download PDFInfo
- Publication number
- CN204270886U CN204270886U CN201420868377.4U CN201420868377U CN204270886U CN 204270886 U CN204270886 U CN 204270886U CN 201420868377 U CN201420868377 U CN 201420868377U CN 204270886 U CN204270886 U CN 204270886U
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- CN
- China
- Prior art keywords
- inner casing
- louvre
- capacitor
- casing
- power capacitor
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of power capacitor casing.This power capacitor casing arranges inner casing at inner chamber, is arranged on by multiple unit capacitor in many group inner casings, is convenient to separately protected and is beneficial to capacitor heat radiation; Right radiate heat and ventilate hole is designed to respectively at top cover and bottom place, between radiate heat and ventilate hole, correspondence is space, capacitor element in inner casing is dispelled the heat by space when dispelling the heat, paired radiate heat and ventilate hole can make the flowing of gas more flexible, can produce convection current in the gas process of circulation, namely porous is entered porous and is gone out to carry out convection current, and the through heat dissipation channel gas circulation of original single hole of comparing is faster, radiating effect is better, effectively extends the useful life of capacitor; Inner casing arranges explosion-protection equipment, when being arranged on capacitor element in inner casing and puncturing formation short circuit, produces gas and inner casing is out of shape, break explosion-protection equipment and cause short-circuit condition thus capacitor for voltage protection, avoid electric power accident.
Description
Technical field
The utility model relates to the capacitor mechanism used in a kind of electric power system, particularly relates to a kind of power capacitor casing.
Background technology
Multiple unit capacitor element is comprised in power capacitor of the prior art, between multiple unit capacitor element, heat can interact and rise, heat is difficult to discharge, the main structure radiating effect by box outer surface heat radiation is poor, work long hours very large to the capacitor element infringement of capacitor, directly affect the useful life of capacitor.
Summary of the invention
The purpose of this utility model overcomes the deficiencies in the prior art, provides a kind of power capacitor casing with good ventilation heat-sinking capability.
The utility model is by the following technical solutions: a kind of power capacitor casing, comprise shell, top cover and bottom, shell, top cover and bottom are tightly connected and surround inner chamber, multiple inner casing is arranged side by side in inner chamber, inner casing is provided with explosion-protection equipment, between inner casing, there is space, the bottom place of corresponding below, space is provided with the air-vent of a pair symmetry, the top cover place of corresponding top, space is provided with the heatsink transverse hole of a pair symmetry and longitudinal louvre of a pair symmetry, air-vent is corresponding with the position in heatsink transverse hole and near the long limit of cross-sectional outer, longitudinal louvre is arranged at relative inner casing marginal position, explosion-protection equipment comprises conductive pole, insurance copper sheet and conductive copper sheet, the top of inner casing is provided with flat deck roof and concave crown lid, flat deck roof and concave crown cover down and are disposed adjacent, the top of conductive pole arranges conductive copper sheet, and the bottom of conductive pole arranges insurance copper sheet, and conductive pole is connected on flat deck roof, insurance copper sheet is connected to concave crown and covers, the dual-side edge of insurance copper sheet has " V " v notch v, and in the space of " V " v notch v between flat deck roof and concave crown lid, " V " v notch v is 90 degree.
Improve as one, shell is provided with many row sides louvre, the position of many row sides louvre and structure for from top to bottom arrange corresponding with the position of inner casing, side louvre is that shell cracks inside swaging one-tenth, side louvre opening down.
Improve as one, all there is setting louvre both sides corresponding with inner casing on shell in side.
Improve as one, side louvre is often arranged and is arranged 4 groups 20, often organizes 5.
Improve as one, the spread configuration that a pair heatsink transverse hole of gap is adjacent end to end with a pair longitudinal louvre.
Improve as one, the quantity of inner casing and side louvre is three groups that match, and the quantity of space, air-vent, heatsink transverse hole and longitudinal louvre is two groups that match.
Improve as one, top cover is also provided with terminals sub-aperture, the setting corresponding with the position of inner casing of terminals sub-aperture.
The beneficial effects of the utility model: arrange inner casing at inner chamber, are arranged on multiple unit capacitor in many group inner casings, are convenient to separately protected and are beneficial to capacitor heat radiation; Right radiate heat and ventilate hole is designed to respectively at top cover and bottom place, between radiate heat and ventilate hole, correspondence is space, capacitor element in inner casing is dispelled the heat by space when dispelling the heat, paired radiate heat and ventilate hole can make the flowing of gas more flexible, can produce convection current in the gas process of circulation, namely porous is entered porous and is gone out to carry out convection current, and the through heat dissipation channel gas circulation of original single hole of comparing is faster, radiating effect is better, effectively extends the useful life of capacitor; Inner casing arranges explosion-protection equipment, when being arranged on capacitor element in inner casing and puncturing formation short circuit, produces gas and inner casing is out of shape, break explosion-protection equipment and cause short-circuit condition thus capacitor for voltage protection, avoid electric power accident.
Accompanying drawing explanation
Fig. 1 is the front view of the utility model power capacitor casing.
Fig. 2 is the vertical view of the utility model power capacitor casing.
Fig. 3 is the upward view of the utility model power capacitor casing.
Fig. 4 is the partial sectional view at louvre place, side of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, specific embodiment of the utility model is elaborated.
As shown in Figure 1,2,3, 4, be the specific embodiment of the utility model power capacitor casing.This embodiment comprises shell 1, top cover 2 and bottom 3, shell 1, top cover 2 and bottom 3 are tightly connected and surround inner chamber 4, multiple inner casing 5 is arranged side by side in inner chamber 4, between inner casing 5, there is space, bottom 3 place of corresponding below, space is provided with the air-vent 31 of a pair symmetry, top cover 2 place of corresponding top, space is provided with the heatsink transverse hole 21 of a pair symmetry and longitudinal louvre 22 of a pair symmetry, air-vent 31 is corresponding with the position in heatsink transverse hole 21 and near the long limit of shell 1 cross section, longitudinal louvre 22 is arranged at relative inner casing 5 marginal position; Explosion-protection equipment 6 comprises conductive pole 61, insurance copper sheet 62 and conductive copper sheet 63, the top of inner casing 5 is provided with flat deck roof 51 and concave crown lid 52, flat deck roof 51 and the neighbouring setting of concave crown lid 52, the top of conductive pole 61 arranges conductive copper sheet 63, the bottom of conductive pole 61 arranges insurance copper sheet 62, conductive pole 61 is connected on flat deck roof 51, insurance copper sheet 62 is connected on concave crown lid 52, the dual-side edge of insurance copper sheet 62 has " V " v notch v, in the space of " V " v notch v between flat deck roof 51 and concave crown lid 52, " V " v notch v is 90 degree.The utility model arranges inner casing 5 at inner chamber 4, is arranged on by multiple unit capacitor in many group inner casings 5, is convenient to separately protected and is beneficial to capacitor heat radiation; Space is reserved for heat dissipation ventilation between inner casing 5, at top cover 2, a pair heatsink transverse hole 21 and longitudinal louvre 22 are set, the air-vent 31 of a pair symmetry is set at bottom 3, the position in hole is corresponding with space, dispelled the heat by space when capacitor element dispels the heat, paired radiate heat and ventilate hole can make the flowing of gas more flexible, convection current can be produced in the gas process of circulation, namely in housing, gas can flow out along the hole of certain position, claim the hole of position to flow to extraneous gas corresponding thereto, realize porous and enter the convection current that porous goes out; Embodiment such as ambient atmos flows into from an air-vent 31 more specifically, always upwards corresponding from top heatsink transverse hole 21 is flowed out, and heatsink transverse hole 21 gas in symmetric position flows into, the downward air-vent 31 corresponding from bottom flows out always, realize the convection current of gas, arranging of longitudinal louvre 22 improves heat radiation and convection effects further; The through heat dissipation channel gas circulation of original single hole of comparing exchanges faster, improves radiating effect, extends the useful life of capacitor.When capacitor element punctures formation short circuit, producing gas makes inner casing 5 be out of shape, flat deck roof 51 and concave crown lid 52 are out of shape, conductive pole 61 and insurance copper sheet 62 are upwards pullled below, the insurance copper sheet 62 bearing pulling force can be pulled off to " V " v notch v place during critical point and cause short-circuit condition, " V " v notch v being arranged to 90 degree is more easily pulled off when having the situation lower stress of stability, avoid capacitor element and continue heating, avoid the situation that when gases are heated, they expand and explode, greatly improve the safety and reliability of capacitor, also ensured the safety of user simultaneously.
As a kind of embodiment of improvement, shell 1 is provided with many row sides louvre 11, the position of many rows side louvre 11 is corresponding with the position of inner casing 5 and be the structure that arranges from top to bottom, and side louvre 11 becomes for shell 1 inside swaging of cracking, side louvre 11 opening down.For better improving the radiating effect of capacitor, the shell 1 of inner casing 5 opposite position arranging many row sides louvre 11, improves the gas circulation in shell 1 further, improve radiating effect further, extend the useful life of capacitor; And the processing mode of side louvre 11 dust impurity while guarantee gas normally circulates can not enter in shell 1, ensures normal use that is clean and capacitor.
As a kind of embodiment of improvement, all there is setting the both sides corresponding with inner casing 5 on shell 1 of side louvre 11.Above structure improves the gas circulation in shell 1 further, improves radiating effect further, extends the useful life of capacitor.
As a kind of embodiment of improvement, side louvre 11 is often arranged and is arranged 4 groups 20, often organizes 5.Side louvre 11 is inside drawing on shell 1, the mould of punching press is one group with 5 staking punch, is convenient to processing and manufacturing, reduces manufacturing cost, thus stamp out the side louvre 11 of above-mentioned arrangement architecture, good looking appearance while reaching radiating effect and save cost.
As a kind of embodiment of improvement, the spread configuration that a pair heatsink transverse hole 21 of gap is adjacent end to end with a pair longitudinal louvre 22.A pair heatsink transverse hole 21 and a pair longitudinal louvre 13 auxiliary convection current carrying out gas mutually, improve gaseous exchange speed, improve radiating efficiency.
As a kind of embodiment of improvement, the quantity of inner casing 5 and side louvre 11 is three groups that match, and the quantity of space, air-vent 31, heatsink transverse hole 21 and longitudinal louvre 22 is two groups that match.Above-mentioned is concrete amount of parts composition, and capacitor entirety is of moderate size, and between each parts, space is good, does not affect radiating effect, and can reach the instructions for use of capacitor.
As a kind of embodiment of improvement, top cover 2 is also provided with terminals sub-aperture 23, terminals sub-aperture 23 setting corresponding with the position of inner casing 5.Terminals sub-aperture 23 carries out connection for arranging binding post, corresponding with inner casing 5 arrange rational in infrastructure, be convenient to manufacture.
Claims (7)
1. a power capacitor casing, comprise shell (1), top cover (2) and bottom (3), described shell (1), top cover (2) and bottom (3) are tightly connected and surround inner chamber (4), it is characterized in that: in described inner chamber (4), be arranged side by side multiple inner casing (5), described inner casing (5) is provided with explosion-protection equipment (6), described inner casing has space between (5), bottom (3) place of corresponding below, described space is provided with the air-vent (31) of a pair symmetry, top cover (2) place of corresponding top, described space is provided with the heatsink transverse hole (21) of a pair symmetry and longitudinal louvre (22) of a pair symmetry, described air-vent (31) is corresponding with the position of heatsink transverse hole (21) and near the long limit of shell (1) cross section, described longitudinal louvre (22) is arranged at relative inner casing (5) marginal position, described explosion-protection equipment (6) comprises conductive pole (61), insurance copper sheet (62) and conductive copper sheet (63), the top of described inner casing (5) is provided with flat deck roof (51) and concave crown lid (52), described flat deck roof (51) and concave crown lid (52) neighbouring setting, the top of described conductive pole (61) arranges conductive copper sheet (63), the bottom of conductive pole (61) arranges insurance copper sheet (62), described conductive pole (61) is connected on flat deck roof (51), described insurance copper sheet (62) is connected on concave crown lid (52), the dual-side edge of described insurance copper sheet (62) has " V " v notch v, described " V " v notch v is arranged in the space between flat deck roof (51) and concave crown lid (52), described " V " v notch v is 90 degree.
2. a kind of power capacitor casing according to claim 1, it is characterized in that: described shell (1) is provided with many rows side louvre (11), the position of many rows described side louvre (11) is corresponding with the position of inner casing (5) and be the structure that arranges from top to bottom, described side louvre (11) becomes for shell (1) inside swaging of cracking, side louvre (11) opening down.
3. a kind of power capacitor casing according to claim 2, is characterized in that: all there is setting described side louvre (11) in the upper both sides corresponding with inner casing (5) of shell (1).
4. a kind of power capacitor casing according to claim 3, is characterized in that: described side louvre (11) is often arranged and arranged 4 groups 20, often organizes 5.
5. a kind of power capacitor casing according to claim 4, is characterized in that: the spread configuration that a pair heatsink transverse hole (21) of described gap is adjacent end to end with a pair longitudinal louvre (22).
6. a kind of power capacitor casing according to claim 5, it is characterized in that: the quantity of described inner casing (5) and side louvre (11) is three groups that match, the quantity of described space, air-vent (31), heatsink transverse hole (21) and longitudinal louvre (22) is two groups that match.
7. a kind of power capacitor casing according to claim 6, it is characterized in that: described top cover (2) is also provided with terminals sub-aperture (23), the corresponding setting in position of described terminals sub-aperture (23) and inner casing (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420868377.4U CN204270886U (en) | 2014-12-31 | 2014-12-31 | A kind of power capacitor casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420868377.4U CN204270886U (en) | 2014-12-31 | 2014-12-31 | A kind of power capacitor casing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204270886U true CN204270886U (en) | 2015-04-15 |
Family
ID=52805739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420868377.4U Expired - Fee Related CN204270886U (en) | 2014-12-31 | 2014-12-31 | A kind of power capacitor casing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204270886U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111640575A (en) * | 2020-05-22 | 2020-09-08 | 国网河北省电力有限公司石家庄市藁城区供电分公司 | Intelligent low-voltage power capacitor based on dry capacitor |
-
2014
- 2014-12-31 CN CN201420868377.4U patent/CN204270886U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111640575A (en) * | 2020-05-22 | 2020-09-08 | 国网河北省电力有限公司石家庄市藁城区供电分公司 | Intelligent low-voltage power capacitor based on dry capacitor |
| CN111640575B (en) * | 2020-05-22 | 2022-05-31 | 国网河北省电力有限公司石家庄市藁城区供电分公司 | Intelligent low-voltage power capacitor based on dry-type capacitor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150415 Termination date: 20201231 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |