CN104882274B - The power capacitor apparatus of releasable internal pressure - Google Patents
The power capacitor apparatus of releasable internal pressure Download PDFInfo
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- CN104882274B CN104882274B CN201510321810.1A CN201510321810A CN104882274B CN 104882274 B CN104882274 B CN 104882274B CN 201510321810 A CN201510321810 A CN 201510321810A CN 104882274 B CN104882274 B CN 104882274B
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- hemispherical shell
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- midair
- capacitor
- air flue
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Abstract
The invention discloses a kind of power capacitor apparatus of releasable internal pressure, power capacitor is solved because internal discharge causes the problem of internal pressure surge pressure can not discharge.In capacitor fuel tank（1）Side be provided with sleeve pipe（2）, in capacitor fuel tank top surface（3）On be provided with center hemispherical shell（4）, in capacitor fuel tank top surface（3）On be provided with center hemispherical shell（4）, in center hemispherical shell（4）Top be provided with blast pipe（9）And one-way exhaust valve（10）, in bulbus cordis in midair（11）Inclination air flue is provided with spheroid（13）, tilt air flue（13）One end and bulbus cordis in midair（11）Baseplane centre bore（12）Connection, tilts air flue（13）The other end outlet be arranged on semi-hollow sphere, in center hemispherical shell（4）Medial surface and bulbus cordis in midair（11）Sphere between be provided with sealing gasket（15）.Grid equipment and the personal safety of staff are ensured.
Description
Technical field
The present invention relates to a kind of power capacitor, more particularly to a kind of power capacitor apparatus of releasable internal pressure,
Pressure can be discharged during for power capacitor internal discharge in time and prevents it from exploding.
Background technology
Power capacitor is operationally it some times happens that explosion phenomenon.Puncture when interpolar occurs for power capacitor inner member
Or casing insulation is when puncturing, aggregation pressure can be gradually produced in capacitor internal, accumulation can make capacitor explode to a certain extent,
So that causing fire.Generation capacitor discharge reason is more, and main cause is：Power capacitor inner member punctures；Electric power electricity
Container fabrication process is bad to cause corona, oil decomposition, the expansion of case shell, pasta is declined and is caused to puncture；Inner sealing it is bad and
Other reasons such as oil leak.Thus cause a series of physical, chemistry, electric effect, make insulation accelerated aging, decomposition, produce gas,
Capacitor tank internal pressure is caused to increase, so that exploding.At present, power capacitor does not have explosion-proof pressure release dress
Put, once occur internal discharge, it is easy to cause capacitor to explode, cause great property and personal injury.
The content of the invention
The invention provides a kind of power capacitor apparatus of releasable internal pressure, existing power capacitor is solved
Because internal discharge causes the technical problem that internal pressure surge pressure can not discharge.
The present invention is to solve above technical problem by the following technical programs：
A kind of power capacitor apparatus of releasable internal pressure, including capacitor fuel tank, in the side of capacitor fuel tank
Sleeve pipe is provided with, center hemispherical shell, center hemispherical shell intracoelomic cavity and capacitor are provided with capacitor fuel tank top surface
Fuel tank intracoelomic cavity is connected together, and at center, the top of hemispherical shell is provided with blast pipe, is set on the exhaust outlet of blast pipe
One-way exhaust valve is equipped with, bulbus cordis in midair is movably set with the hemispherical shell intracoelomic cavity of center, in the inner chamber of blast pipe and in midair
Be provided with extension spring between the sphere top of bulbus cordis, be provided with inclination air flue in semi-hollow ball, tilt one end of air flue with
The baseplane centre bore connection of bulbus cordis in midair, the other end outlet for tilting air flue is arranged on semi-hollow sphere, in center hemisphere
Sealing gasket is provided between the sphere of the medial surface of shape housing and in midair bulbus cordis, the center of sealing gasket is provided with through hole,
The bottom of center hemispherical shell is provided with ring washer.
Hemispherical shell on rear side of center, left side hemispherical shell and right side half is respectively arranged with capacitor fuel tank top surface
The structure Jun Shiyu centers of hemispherical shell, left side hemispherical shell and right side hemispherical shell half on rear side of spherical shell, center
The structure identical of spherical shell.
Multiple tracks is provided with semi-hollow ball and tilts air flue, these tilt air flue and laid in cone.
The present invention can discharge the pressure of capacitor fuel tank internal surge in time, it is ensured that internal pressure is reduced to 1.5 times of air
Within pressure, the explosion accident of capacitor is prevented, grid equipment and the personal safety of staff has been ensured.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the capacitor top surface pressure relief device distribution schematic diagram of the present invention；
Fig. 3 is the hemispherical shell internal structure schematic diagram of the present invention.
Embodiment
The present invention is described in detail below in conjunction with the accompanying drawings：
A kind of power capacitor apparatus of releasable internal pressure, including capacitor fuel tank 1, in the side of capacitor fuel tank 1
Face is provided with sleeve pipe 2, and center hemispherical shell 4, center hemispherical shell intracoelomic cavity and electricity are provided with capacitor fuel tank top surface 3
Container fuel tank intracoelomic cavity is connected together, and at center, the top of hemispherical shell 4 is provided with blast pipe 9, in the exhaust of blast pipe 9
One-way exhaust valve 10 is provided with mouthful, bulbus cordis 11 in midair are movably set with the hemispherical shell intracoelomic cavity of center, in blast pipe 9
Extension spring 14 is provided between the sphere top of inner chamber and in midair bulbus cordis 11, inclination air flue is provided with the spheroid of bulbus cordis 11 in midair
13, the one end for tilting air flue 13 is connected with the baseplane centre bore 12 of bulbus cordis 11 in midair, and the other end outlet for tilting air flue 13 is set
Put on semi-hollow sphere, sealing gasket is provided with the medial surface of center hemispherical shell 4 and in midair between the sphere of bulbus cordis 11
15, the center of sealing gasket 15 is provided with through hole 16, the bottom of hemispherical shell 4 is provided with ring washer 8 at center.
Hemispherical shell 5 on rear side of center, left side hemispherical shell 6 and the right side are respectively arranged with capacitor fuel tank top surface 3
The structure of hemispherical shell 5, left side hemispherical shell 6 and right side hemispherical shell 7 is with rear side of side hemispherical shell 7, center
The structure of heart hemispherical shell 4 is identical.
Multiple tracks or 12 inclination air flues 13 are provided with the spheroid of bulbus cordis 11 in midair, it is in cone that these, which tilt air flue 13,
Lay, the baseplane centre bore 12 of bulbus cordis 11 is the conical summit in midair.
Hemispherical shell 5, left side hemispherical shell 6 and right side hemispherical shell 7 on rear side of center hemispherical shell 4, center,
This 4 pressure relief devices are distributed on capacitor fuel tank top surface, and structure is just the same.Distribution schematic diagram as shown in Figure 2, if false
The length of capacitor fuel tank top surface 3 is b, and the width of capacitor fuel tank top surface 3 is a.If setting the preceding long side of capacitor fuel tank top surface 3
For abscissa X, if the left short side of capacitor fuel tank top surface 3 is ordinate Y, the intersection point of preceding long side and left short side is origin O, then in
The coordinate of hemispherical shell 5, left side hemispherical shell 6 and right side hemispherical shell 7 is on rear side of heart hemispherical shell 4, center：
（,）、（,）、（,）With（,）；
Calculated according to stress analysis, it is ensured that the internal pressure energy reliable delivery of whole capacitor gives this 4 pressure releases
Device, and ensure that pressure relief device has optimum sensitivity.
The thickness for the bulbus cordis in midair 11 that capacitor pressure relief device is set, can set thickness according to pressure relief valve value
For 2-6 millimeters, the pressure of hemispherical shell intracoelomic cavity of the invention just discharges pressure in 1.5 times of atmospheric pressure.In bulbus cordis 11 in midair
12 roads are provided with spheroid and tilt air flue 13, this 12 internal exhaust tubes are uniformly distributed so that 12 internal exhaust tubes are overlooked
Upper every blast pipe differs 30 °.The effect of such design is when the capacitor internal pressure is increased to 1.5 times of atmospheric pressure, to appoint
When the internal pressure in one orientation promotes semi-hollow metal ball, it can make any internal exhaust tube of 12 blast pipes can
Connected with blast pipe 9, thus in time, reliably discharge internal pressure.The diameter for setting every inclination air flue 13 is 6 millimeters.
One-way exhaust valve 10 is provided with the exhaust outlet of blast pipe 9, prevents outside air from entering in capacitor.
When there is electric discharge at some position and internal pressure is reached 1.5 times of atmospheric pressure inside power capacitor, with the position
The pressure relief device closed on senses pressure and started working first.The pressure that this electric discharge is produced is enough to promote pressure to discharge
Bulbus cordis in midair 11 rotate, the inner inclination air flue 13 of semi-hollow metal ball is connected with through hole 16 and blast pipe 9, internal pressure
Discharged respectively by blast pipe 9 immediately.When capacitor internal pressure is reduced to below 1.5 times of atmospheric pressure, bulbus cordis 11 exists in midair
Under gravity and the collective effect of extension spring 14, home position is returned to, its inner inclination air flue 13 is mutually staggered with blast pipe 9, no longer
Connect, the sealing of holding capacitor device, now sealed mouth closes, prevent pressure relief device air inlet and make moist.
Claims (3)
1. a kind of power capacitor apparatus of releasable internal pressure, including capacitor fuel tank（1）, in capacitor fuel tank（1）'s
Side is provided with sleeve pipe（2）, it is characterised in that in capacitor fuel tank top surface（3）On be provided with center hemispherical shell（4）, in
Heart hemispherical shell intracoelomic cavity is connected together with capacitor oil cabinets cavity, in center hemispherical shell（4）Top be provided with
Blast pipe（9）, in blast pipe（9）Exhaust outlet on be provided with one-way exhaust valve（10）, it is living in the hemispherical shell intracoelomic cavity of center
It is dynamic to be provided with bulbus cordis in midair（11）, in blast pipe（9）Inner chamber and bulbus cordis in midair（11）Sphere top between be provided with extension spring
（14）, in bulbus cordis in midair（11）Inclination air flue is provided with spheroid（13）, tilt air flue（13）One end and bulbus cordis in midair（11）
Baseplane centre bore（12）Connection, tilts air flue（13）The other end outlet be arranged on semi-hollow sphere, in center hemisphere
Shape housing（4）Medial surface and bulbus cordis in midair（11）Sphere between be provided with sealing gasket（15）, in sealing gasket（15）Center
Place is provided with through hole（16）, in center hemispherical shell（4）Bottom be provided with ring washer（8）.
2. the power capacitor apparatus of a kind of releasable internal pressure according to claim 1, it is characterised in that in electric capacity
Device fuel tank top surface（3）On be respectively arranged with hemispherical shell on rear side of center（5）, left side hemispherical shell（6）With right side hemispherical
Housing（7）, center rear side hemispherical shell（5）Structure, left side hemispherical shell（6）Structure and right side hemispherical shell
（7）Structure Jun Yu centers hemispherical shell（4）Structure be identical.
3. the power capacitor apparatus of a kind of releasable internal pressure according to claim 1, it is characterised in that in midair
Bulbus cordis（11）Multiple tracks is provided with spheroid and tilts air flue（13）, these tilt air flue（13）It is in cone laying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510321810.1A CN104882274B (en) | 2015-06-12 | 2015-06-12 | The power capacitor apparatus of releasable internal pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510321810.1A CN104882274B (en) | 2015-06-12 | 2015-06-12 | The power capacitor apparatus of releasable internal pressure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104882274A CN104882274A (en) | 2015-09-02 |
| CN104882274B true CN104882274B (en) | 2017-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510321810.1A Active CN104882274B (en) | 2015-06-12 | 2015-06-12 | The power capacitor apparatus of releasable internal pressure |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1319720A (en) * | 2000-03-30 | 2001-10-31 | 本田技研工业株式会社 | Rotary throttle valve for spark ignition type internal combustion engine |
| CN201570530U (en) * | 2009-12-02 | 2010-09-01 | 黄德欢 | Pressure-limiting valve for lithium ion batteries |
| CN201663054U (en) * | 2010-01-07 | 2010-12-01 | 哈尔滨巨容新能源有限公司 | One-way exhaust valve of super capacitor |
| CN203415428U (en) * | 2012-06-28 | 2014-01-29 | 尼吉康株式会社 | Pressure valve for electrolytic capacitor and the electrolytic capacitor using the pressure valve |
| CN103828001A (en) * | 2011-09-30 | 2014-05-28 | 康宁股份有限公司 | Vent assemblies for electrochemical double-layer capacitors |
| CN204720314U (en) * | 2015-06-12 | 2015-10-21 | 国网山西省电力公司电力科学研究院 | The power capacitor apparatus of internal pressure can be discharged |
-
2015
- 2015-06-12 CN CN201510321810.1A patent/CN104882274B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1319720A (en) * | 2000-03-30 | 2001-10-31 | 本田技研工业株式会社 | Rotary throttle valve for spark ignition type internal combustion engine |
| CN201570530U (en) * | 2009-12-02 | 2010-09-01 | 黄德欢 | Pressure-limiting valve for lithium ion batteries |
| CN201663054U (en) * | 2010-01-07 | 2010-12-01 | 哈尔滨巨容新能源有限公司 | One-way exhaust valve of super capacitor |
| CN103828001A (en) * | 2011-09-30 | 2014-05-28 | 康宁股份有限公司 | Vent assemblies for electrochemical double-layer capacitors |
| CN203415428U (en) * | 2012-06-28 | 2014-01-29 | 尼吉康株式会社 | Pressure valve for electrolytic capacitor and the electrolytic capacitor using the pressure valve |
| CN204720314U (en) * | 2015-06-12 | 2015-10-21 | 国网山西省电力公司电力科学研究院 | The power capacitor apparatus of internal pressure can be discharged |
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| Publication number | Publication date |
|---|---|
| CN104882274A (en) | 2015-09-02 |
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