CN105529181A - Power capacitor anti-explosion cover assembly - Google Patents
Power capacitor anti-explosion cover assembly Download PDFInfo
- Publication number
- CN105529181A CN105529181A CN201610037824.5A CN201610037824A CN105529181A CN 105529181 A CN105529181 A CN 105529181A CN 201610037824 A CN201610037824 A CN 201610037824A CN 105529181 A CN105529181 A CN 105529181A
- Authority
- CN
- China
- Prior art keywords
- bolt
- explosion
- power capacitor
- capacitor
- lid
- 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 52
- 238000004880 explosion Methods 0.000 title abstract description 10
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 34
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 32
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000011324 bead Substances 0.000 claims abstract description 9
- 239000004593 Epoxy Substances 0.000 claims abstract description 8
- 239000004411 aluminium Substances 0.000 claims description 31
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 15
- 230000009172 bursting Effects 0.000 claims description 13
- 239000011889 copper foil Substances 0.000 claims description 13
- 239000000377 silicon dioxide Substances 0.000 claims description 8
- 239000000945 filler Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 claims 1
- 238000003466 welding Methods 0.000 abstract description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract 1
- 229910052710 silicon Inorganic materials 0.000 abstract 1
- 239000010703 silicon Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G2/00—Details of capacitors not covered by a single one of groups H01G4/00-H01G11/00
- H01G2/14—Protection against electric or thermal overload
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G2/00—Details of capacitors not covered by a single one of groups H01G4/00-H01G11/00
- H01G2/14—Protection against electric or thermal overload
- H01G2/18—Protection against electric or thermal overload with breakable contacts
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Electric Double-Layer Capacitors Or The Like (AREA)
Abstract
The invention belongs to the field of a power capacitor, specifically relates to a power capacitor anti-explosion cover assembly, and aims to solve the problem of power capacitor explosion caused by uncertain factors by means of mounting an anti-explosion cover assembly for the power capacitor. The power capacitor anti-explosion cover assembly specifically comprises anti-explosion plates (1), an aluminum cover (2), electrode bases (3), bolts (4), silicon beads (5), epoxy plates (6), copper foil sheets (8) and aluminum rivets (9), wherein the aluminum cover (2) is deformed and raised caused by internal pressure of the capacitor; tensile force caused by the deformation is transmitted to the bolts (4) to enable spot welding points between the bolts (4) and the copper foil sheets (8) to be pulled open so as to form an open circuit, so that the capacitor is power-off and stopped, and the purpose of preventing the power capacitor explosion is achieved; and therefore, the power capacitor anti-explosion cover assembly is reliable, stable and effective.
Description
Technical field
The invention belongs to power capacitor field, be specifically related to a kind of power capacitor Explosion-proof cap assembly.
Technical background
Power capacitor, for the capacitor of electric power system and electrical equipment, is applied to multiple industries such as electronics, household electrical appliances, communication, electric power, electric railway, hybrid vehicle, wind power generation, solar power generation; Because power capacitor application is more and more extensive, the quality requirements of capacitor is more and more stricter, and the equipment of capacitor manufacturing is more and more advanced, and manufacturing process, design concept are all in continuous lifting.Capacitor itself is container, and maximum hidden danger of quality is turned pale, explodes, after power capacitor puts into operation, can produce very large heat, inside creates a large amount of gas and cannot get rid of, and capacitor works on, produce heat and more gas, finally cause blast.Therefore, be an important task to power capacitor explosion-proof.
Summary of the invention
The present invention is many, and the technical problem that will solve is: the problem of exploding for power capacitor and turning pale, provides a kind of power capacitor Explosion-proof cap assembly.
The technical solution used in the present invention is:
A kind of power capacitor Explosion-proof cap assembly, comprises bursting diaphragm, aluminium lid, electrode tip holder, bolt, silica bead, epoxy plate, nut, copper foil, aluminium rivet; Recessed outside aluminium lid lid, lid inner face is protruding, and outer capping is connected by bolt with electrode tip holder, bolt-through electrode tip holder and aluminium lid, utilizes silica bead, epoxy plate is enclosed within bolt, with nut screwing clamping, electrode tip holder is combined with aluminium lid at aluminium lid lid inner face place.Bursting diaphragm arranges the hole corresponding with bolt, and copper foil is fixed on bursting diaphragm by hole end aluminium rivet; Aluminium lid and bursting diaphragm are being bolted, bolt end just in time contacts with copper foil, utilizes spot welding to fix the two.
Further, described electrode tip holder center arranges oil filler point bolt.
Further, described bolt arranges bolt extended surface.
Further, the bolt quantity of described Explosion-proof cap is determined according to the number of phases of capacitor.
The invention has the beneficial effects as follows: a kind of power capacitor Explosion-proof cap assembly is provided, heat is produced when capacitor runs, when forming hot gas, internal pressure raises, by stressed for capacitor weaker and containing male and fomale(M&F) aluminium lid protuberance distortion, the solder joint that Copper Foil on bursting diaphragm is connected with screw rod is subject to a pulling force upwards, along with pulling force increases gradually, screw rod and Copper Foil come off, capacitor core body and binding post (screw rod) disconnect, form open circuit, capacitor quits work, can not at generation heat, just no longer produce hot gas, thus prevent the blast of power capacitor.
Accompanying drawing explanation
Fig. 1 is the front view of described power capacitor Explosion-proof cap assembly;
Fig. 2 is the schematic diagram of described power capacitor Explosion-proof cap assembly;
Fig. 3 is the schematic diagram of described power capacitor Explosion-proof cap assembly;
Fig. 4 is the schematic diagram of described three-phase power capacitor from explosion cap assembly;
In figure.1-bursting diaphragm, 2-aluminium lid, 3-electrode tip holder, 4-bolt, 5-silica bead, 6-epoxy plate, 7-nut, 8-copper foil, 9-aluminium rivet, 10-oil filler point bolt, 11-bolt extended surface.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.
A kind of Monophase electric power capacitor from explosion cap assembly as shown in Figure 1, Figure 2, Figure 3 shows, comprises bursting diaphragm 1, aluminium lid 2, electrode tip holder 3, bolt 4, silica bead 5, epoxy plate 6, nut 7, copper foil 8, aluminium rivet 9; It is recessed that aluminium lid 2 covers outside, and lid inner face is protruding, and outer capping is connected by bolt 4 with electrode tip holder 3, bolt 4 penetrating electrode seat 3 and aluminium lid 2, utilizes silica bead 5, epoxy plate 6 is enclosed within bolt 4, tighten, electrode tip holder 3 is combined with aluminium lid 2 with nut 7 at aluminium lid 2 lid inner face place.Bursting diaphragm 1 arranges the hole corresponding with bolt 4, and copper foil 8 is fixed on bursting diaphragm by hole end aluminium rivet 9; Be connected by bolt 4 with bursting diaphragm 1 by aluminium lid 2, bolt 4 end just in time contacts with copper foil 8, utilizes spot welding to fix the two.The male and fomale(M&F) of aluminium lid 2, is conducive to the buffering of distortion when it is subject to capacitor internal pressure; Utilize silica bead 5 can block electrode and aluminium lid 2, prevent electric leakage and the sealing of capacitor; Described two-phase power capacitor Explosion-proof cap assembly dress on the capacitor; when capacitor internal produces a large amount of gas because of heating, chemical reaction etc.; gas makes aluminium lid deform protuberance; then the spot-weld at bolt 4 and copper foil 8 place is broken; make circuit occur to form open circuit, make capacitor core body power-off, no longer work; do not produce gas, thus protect the danger that power capacitor there will not be blast.
As required, as shown in Figure 1, oil filler point bolt 10 can be set in the center of Explosion-proof cap, after Explosion-proof cap assembly and aluminium shell of capacitor are sewed up by crimping, then be vacuumized power capacitor oiling by oiling machine.
Bolt 4 as shown in Figure 1, arranging bolt extended surface 11 with electrode tip holder 3 upper surface level place, when electrode tip holder 3 wiring, can increase the contact-making surface with line, greatly reducing the generation of heat.
As shown in Figure 4, described power capacitor Explosion-proof cap assembly be designed with single-phase, three-phase, four phases.
More than show and describe general principle of the present invention, principal character and advantage of the present invention.The present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present invention; the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these changes and improvements all fall in claimed scope of the present invention.Application claims protection range is defined by appending claims and equivalent thereof.
Claims (4)
1. a power capacitor Explosion-proof cap assembly, is characterized in that: comprise bursting diaphragm (1), aluminium lid (2), electrode tip holder (3), bolt (4), silica bead (5), epoxy plate (6), nut (7), copper foil (8), aluminium rivet (9); Aluminium lid (2) lid outside is recessed, lid inner face is protruding, outer capping is connected by bolt (4) with electrode tip holder (3), bolt (4) penetrating electrode seat (3) and aluminium lid (2), utilize silica bead (5) at aluminium lid (2) lid inner face place, epoxy plate (6) is enclosed within bolt (4), tighten with nut (7), make electrode tip holder (3) and aluminium lid (2) combine and reach the effect of sealing; Bursting diaphragm (1) arranges the hole corresponding with bolt (4), and copper foil (8) is fixed on bursting diaphragm by hole end aluminium rivet (9); Be connected by bolt (4) with bursting diaphragm (1) by aluminium lid (2), bolt (4) end just in time contacts with copper foil (8), utilizes butt-joint to fix the two.
2. a kind of power capacitor Explosion-proof cap assembly as claimed in claim 1, is characterized in that: described electrode tip holder (3) center arranges oil filler point bolt (10).
3. a kind of power capacitor Explosion-proof cap assembly as claimed in claim 1, is characterized in that: described bolt (4) is arranged bolt extended surface (11).
4. a kind of power capacitor Explosion-proof cap assembly as claimed in claim 1, is characterized in that: bolt (4) quantity of described Explosion-proof cap is determined according to the number of phases of capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610037824.5A CN105529181A (en) | 2016-01-20 | 2016-01-20 | Power capacitor anti-explosion cover assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610037824.5A CN105529181A (en) | 2016-01-20 | 2016-01-20 | Power capacitor anti-explosion cover assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105529181A true CN105529181A (en) | 2016-04-27 |
Family
ID=55771337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610037824.5A Pending CN105529181A (en) | 2016-01-20 | 2016-01-20 | Power capacitor anti-explosion cover assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105529181A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107507704A (en) * | 2017-08-31 | 2017-12-22 | 池州市容大电气有限公司 | A kind of intelligently realizing explosion-proof capacitor |
| CN107578917A (en) * | 2017-08-31 | 2018-01-12 | 池州市容大电气有限公司 | A kind of noinductive capacitor with intelligent air-valve |
| CN114334445A (en) * | 2021-12-29 | 2022-04-12 | 安徽源光电器有限公司 | 2800VAC high-voltage microwave capacitor for medical equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201117434Y (en) * | 2007-11-06 | 2008-09-17 | 铜陵江威电子有限责任公司 | Explosion-proof capacitor for lamp |
| CN202487406U (en) * | 2012-02-24 | 2012-10-10 | 安徽江威精密制造有限公司 | Capacitor cover plate assembly |
| CN202771964U (en) * | 2012-06-12 | 2013-03-06 | 安徽源光电器有限公司 | Explosion-proof dry-type capacitor for lamps |
| CN203503464U (en) * | 2013-09-25 | 2014-03-26 | 铜陵市东市电子有限责任公司 | Low-voltage parallel-connection electric power capacitor cover plate |
| CN205376299U (en) * | 2016-01-20 | 2016-07-06 | 池州市容大电气有限公司 | Power capacitor explosion -proof cover assembly |
-
2016
- 2016-01-20 CN CN201610037824.5A patent/CN105529181A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201117434Y (en) * | 2007-11-06 | 2008-09-17 | 铜陵江威电子有限责任公司 | Explosion-proof capacitor for lamp |
| CN202487406U (en) * | 2012-02-24 | 2012-10-10 | 安徽江威精密制造有限公司 | Capacitor cover plate assembly |
| CN202771964U (en) * | 2012-06-12 | 2013-03-06 | 安徽源光电器有限公司 | Explosion-proof dry-type capacitor for lamps |
| CN203503464U (en) * | 2013-09-25 | 2014-03-26 | 铜陵市东市电子有限责任公司 | Low-voltage parallel-connection electric power capacitor cover plate |
| CN205376299U (en) * | 2016-01-20 | 2016-07-06 | 池州市容大电气有限公司 | Power capacitor explosion -proof cover assembly |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107507704A (en) * | 2017-08-31 | 2017-12-22 | 池州市容大电气有限公司 | A kind of intelligently realizing explosion-proof capacitor |
| CN107578917A (en) * | 2017-08-31 | 2018-01-12 | 池州市容大电气有限公司 | A kind of noinductive capacitor with intelligent air-valve |
| CN114334445A (en) * | 2021-12-29 | 2022-04-12 | 安徽源光电器有限公司 | 2800VAC high-voltage microwave capacitor for medical equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160427 |
|
| WD01 | Invention patent application deemed withdrawn after publication |