CN201311844Y - Capacitor for ultra-high temperature HID lamp - Google Patents
Capacitor for ultra-high temperature HID lamp Download PDFInfo
- Publication number
- CN201311844Y CN201311844Y CNU2008202162034U CN200820216203U CN201311844Y CN 201311844 Y CN201311844 Y CN 201311844Y CN U2008202162034 U CNU2008202162034 U CN U2008202162034U CN 200820216203 U CN200820216203 U CN 200820216203U CN 201311844 Y CN201311844 Y CN 201311844Y
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- Prior art keywords
- rivet
- high temperature
- shell
- hid lamp
- end cap
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Abstract
The utility model relates to a capacitor of an ultra-high temperature HID lamp, which comprises a casing. A core of the capacitor is arranged in the casing and isolated from the casing via an insulating layer surrounding the casing, a locating sleeve on the bottom thereof and an isolating plate on the top thereof, an outgoing line is connected to the upper end of the core, impregnating agents are filled between the core and the casing, the upper end of the casing is covered with an end cap, sealing welded impregnating holes are arranged on the surface of the end cap, an explosion-proof plate is arranged under the end cap, a terminal base is also arranged on the end cap, a connecting sheet is arranged under the terminal base on the end cap, the lower end of a terminal is connected with a rivet, the upper end and the low end of the rivet is respectively connected to the terminal and the outgoing line , and the distance from edges of the connecting sheet to edges of the rivet is one to five times of the diameter of the rivet. The utility model with simple structure and low cost has the advantages of being easy to achieve and capable of effectively resolving the problem that insulating strength is reduced caused by sealing and welding the impregnating holes in high temperature.
Description
Technical field
The utility model relates to a kind of capacitor, especially a kind of high temperature HID lamp capacitor.
Background technology
The high temperature HID lamp capacitor, be mainly used in special floodlighting places such as big section steel works, metallurgy, desert region and torrid areas, in order to overcome existing capacitor product, be one of key components of such light fixture startup or power factor compensation effect in this special region short drawback in useful life.This product has that volume is little, stable performance, advantage such as high temperature resistant, safe and reliable.Existing HID lamp capacitor is to be main dielectric material with polypropylene, and the zinc-aluminium metal layer adopts no sensing mode to reel and forms as electrode.The HID lamp electricity consumption container work ambient temperature in past is usually between-40 ℃～-85 ℃, and also just about 85 ℃, all capacitor cooling after carry out usually by dipping mouthful soldering and sealing for the temperature that adopts in the capacitor impregnation process.But because high temperature HID lamp electricity consumption container work temperature is very high, after capacitor was sealed fully, along with the rising of temperature, the impregnating agent of interior liquid and residual air can expand.If the temperature of capacitor is controlled at about room temperature, soldering and sealing is carried out in the dipping hole, after the operating ambient temperature of capacitor reaches 115 ℃, the pressure that impregnating agent expands and brought, can force the explosion-protection equipment action of capacitor fully, cause capacitor not having to withdraw from use because of open circuit under the situation about losing efficacy.If product being flooded the sealing welding technique for extra temperature in hole adjusts between 85 ℃～115 ℃, then the electrode of electric capacity and the dielectric strength between shell obviously reduce, can not satisfy the insulating requirements of product, this has just restricted the temperature that the hole is flooded in soldering and sealing, has also restricted the serviceability temperature of capacitor.
The utility model content
The purpose of this utility model provides a kind of novel high temperature HID lamp capacitor, by strengthening the distance of brace edge and rivet, when improving product sealing welding technique for extra temperature to solve, the electrode of electric capacity and the dielectric strength between shell obviously reduce, and can not satisfy the problem of product insulating requirements.
In order to achieve the above object, the technical scheme that the utility model adopted is:
A kind of high temperature HID lamp capacitor, the shell that comprises metal, fuse, described fuse is by insulating barrier on every side, the positioning sleeve of bottom and the division board on top and shell are isolated, described fuse upper end is connected with lead-out wire and passes division board, be filled with impregnating agent between described fuse and the shell, on the described shell end cap is arranged, described end cover surface has the dipping hole of soldering and sealing, terminal base is arranged on the end cap, the terminal lower end has rivet to pass perforate on terminal base and the end cap, reach in the shell, the riveted joint of rivet lower end has the brace of insulation, the brace below has bursting diaphragm, described rivet lower end to be connected to respectively on two lead-out wires of fuse, it is characterized in that: described brace edge is 1-5 times of rivet radius apart from rivet edge distance.
Described high temperature HID lamp capacitor is characterized in that: described brace edge is 1.5-3 times of rivet radius apart from rivet edge distance.
Described high temperature HID lamp capacitor is characterized in that: apart from 1.5-3 times that is the rivet radius, the thickness of described brace is the 1-2 millimeter apart from the rivet edge at described brace edge.
Described high temperature HID lamp capacitor is characterized in that: apart from 1.5-3 times that is the rivet radius, the thickness of described brace is the 1.5-2 millimeter apart from the rivet edge at described brace edge.
Described high temperature HID lamp capacitor is characterized in that: the shell of described metal is an aluminum material.
Described high temperature HID lamp capacitor is characterized in that: described rivet is connected with the lead-out wire butt-joint.
Described high temperature HID lamp capacitor is characterized in that: described end cap and shell are connected.
After the welding, the reduction of dielectric strength mainly is because rivet and brace contact site too for a short time causing of distance under hot conditions.Under uniform pressure, obtain higher electric insulation intensity, the simplest method enlarges isolation distance exactly.Therefore, the isolation distance expansion with brace edge and position, rivet contact position can effectively improve electric insulation intensity.Therefore, increase brace thickness and width, and increase the distance at brace edge and position, rivet contact position, well solved the high temperature soldering and sealing of dipping hole after, the problem of electric insulation insufficient strength.
The utility model is simple in structure, is easy to realize that cost is lower, after effectively having solved high temperature soldering and sealing dipping hole, the problem of electric insulation insufficient strength has realized the normal purpose of using of capacitor under the high temperature, has effectively solved HID lamp electric capacity short problem in useful life under the high temperature.
Description of drawings
Fig. 1 is the utility model structure chart.
Fig. 2 is the utility model end cap vertical view.
Embodiment
A kind of high temperature HID lamp capacitor, the shell 1 that comprises metal, be surrounded by the fuse 2 of capacitor in the shell 1, described fuse 2 is by insulating barrier 3 on every side, the positioning sleeve 4 of bottom and the division board on top 5 are isolated with shell 1, described fuse 2 upper ends are connected with lead-out wire 6 and pass division board 5, be filled with impregnating agent 7 between described fuse 2 and the shell 1, end cap 8 is stamped in described shell 1 upper end, there is the dipping hole 9 of soldering and sealing on described end cap 8 surfaces, end cap has bursting diaphragm 10 8 times, terminal base 11 is arranged on the end cap 8, be equipped with terminal 12 in the described terminal base 11, terminal 12 lower ends are connected with rivet 14, and rivet 14 passes terminal base 11, perforate on the end cap 8 (each other every the electricity sealing) extend in the shell 1, and rivet 14 lower ends are set with sealing ring, and brace 13 riveted and fixed that will insulate, there is bursting diaphragm 10 brace 13 belows, on the described rivet 14, the lower end is connected to respectively on terminal 12 and the lead-out wire 6, and described brace 13 edges and rivet 14 contacts site separate big distance.The shell 1 of described metal is an aluminum material.Described rivet 14 is connected with lead-out wire 6 butt-joints.Described end cap 8 is connected with shell 1.Described impregnating agent 7 is oils impregnating agent.
Be serviceability and the security performance of guaranteeing capacitor, the fuse 2 of capacitor need be sealed in fully in the aluminium shell 1, and between aluminium shell 1 and fuse 2, fill oils impregnating agent 7 and protected.The sealing of metal shell relies on a uncovered aluminium shell 1 and an interlock that has the end cap 8 that floods hole 9 to realize.Be the blast prevent that capacitor body 2 from producing when losing efficacy, shell 1 blast that causes sealing brings security incident, capacitor inside that a bursting diaphragm 10 has been installed to be called pressure-activated formula block device again.Its effect is when capacitor lost efficacy; internal pressure progressively increases; when pressure reached certain value, end cap 8 will expand outwardly, thereby the rivet 14 that drives the internal and external electrode interconnect function produces outside displacement; because rivet 14 is that butt-joint is connected with lead-out wire 6; be subjected to the obstruction of bursting diaphragm 10, the disconnection that is connected of lead-out wire 6 and rivet 14, and then containment capacitor internal pressure further increases; avoid blast to produce, reach the purpose of safeguard protection.Division board 5, insulating barrier 3, impregnating agent 7 and positioning sleeve 4 have formed the insulating protective layer of capacitor body 2 and aluminium shell 1.Between capacitor body 2 and the aluminium shell 1, all leave enough spacings, add the double insulation protection of impregnating agent 7 and insulating barrier 3, the insulation protection that fuse 2 and shell are 1 is easy to realize.Rivet 14 mainly is made of terminal base 11 and brace 13 with the insulation protection of end cap 8; these materials are by the riveted joint between rivet 14 and the terminal 12; guarantee the sealing property of electrode fairlead, and simultaneously rivet 14 and end cap 8 are kept apart, play the effect of insulation protection.Because high temperature soldering and sealing dipping hole 9 can reduce dielectric strength, therefore the width of brace 13 is brought up to original one times, thickness increases by 1/3, after width increases by 2/5, the distance of brace 13 edges and rivet 14 contact portions increases greatly, and the electric insulation intensity of last capacitor meets the requirements fully.Brace 13 after the improvement can guarantee the dielectric strength of soldering and sealing electric capacity under the hot conditions fully, can effectively solve the problem that dielectric strength reduces.
Claims (7)
1, a kind of high temperature HID lamp capacitor, the shell that comprises metal, fuse, described fuse is by insulating barrier on every side, the positioning sleeve of bottom and the division board on top and shell are isolated, described fuse upper end is connected with lead-out wire and passes division board, be filled with impregnating agent between described fuse and the shell, on the described shell end cap is arranged, described end cover surface has the dipping hole of soldering and sealing, terminal base is arranged on the end cap, the terminal lower end has rivet to pass perforate on terminal base and the end cap, reach in the shell, the riveted joint of rivet lower end has the brace of insulation, the brace below has bursting diaphragm, described rivet lower end to be connected to respectively on two lead-out wires of fuse, it is characterized in that: described brace edge is 1-5 times of rivet radius apart from rivet edge distance.
2, high temperature HID lamp capacitor according to claim 1 is characterized in that: described brace edge is 1.5-3 times of rivet radius apart from rivet edge distance.
3, high temperature HID lamp capacitor according to claim 1 is characterized in that: apart from 1.5-3 times that is the rivet radius, the thickness of described brace is the 1-2 millimeter apart from the rivet edge at described brace edge.
4, high temperature HID lamp capacitor according to claim 1 is characterized in that: apart from 1.5-3 times that is the rivet radius, the thickness of described brace is the 1.5-2 millimeter apart from the rivet edge at described brace edge.
5, high temperature HID lamp capacitor according to claim 1 is characterized in that: the shell of described metal is an aluminum material.
6, high temperature HID lamp capacitor according to claim 1 is characterized in that: described rivet is connected with the lead-out wire butt-joint.
7, high temperature HID lamp capacitor according to claim 1, it is characterized in that: described end cap and shell are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202162034U CN201311844Y (en) | 2008-11-19 | 2008-11-19 | Capacitor for ultra-high temperature HID lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202162034U CN201311844Y (en) | 2008-11-19 | 2008-11-19 | Capacitor for ultra-high temperature HID lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201311844Y true CN201311844Y (en) | 2009-09-16 |
Family
ID=41109101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202162034U Expired - Lifetime CN201311844Y (en) | 2008-11-19 | 2008-11-19 | Capacitor for ultra-high temperature HID lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201311844Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101840780A (en) * | 2010-05-29 | 2010-09-22 | 佛山市顺德区巨华电力电容器制造有限公司 | Self-healing low-voltage reactive power compensation capacitor |
| CN101841159A (en) * | 2010-05-29 | 2010-09-22 | 佛山市顺德区巨华电力电容器制造有限公司 | Split-phase compensation self-healing type reactive compensation capacitor |
| CN104134539A (en) * | 2014-08-11 | 2014-11-05 | 安徽源光电器有限公司 | Novel high-voltage anti-explosion polypropylene film capacitor |
| CN105261477A (en) * | 2015-09-10 | 2016-01-20 | 姜超 | Convenient-to-connect capacitor |
| CN107768138A (en) * | 2016-08-18 | 2018-03-06 | 宁波碧彩实业有限公司 | A kind of double end rivet pressure explosion-proof capacitor |
-
2008
- 2008-11-19 CN CNU2008202162034U patent/CN201311844Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101840780A (en) * | 2010-05-29 | 2010-09-22 | 佛山市顺德区巨华电力电容器制造有限公司 | Self-healing low-voltage reactive power compensation capacitor |
| CN101841159A (en) * | 2010-05-29 | 2010-09-22 | 佛山市顺德区巨华电力电容器制造有限公司 | Split-phase compensation self-healing type reactive compensation capacitor |
| CN101841159B (en) * | 2010-05-29 | 2013-08-07 | 佛山市顺德区巨华电力电容器制造有限公司 | Split-phase compensation self-healing type reactive compensation capacitor |
| CN104134539A (en) * | 2014-08-11 | 2014-11-05 | 安徽源光电器有限公司 | Novel high-voltage anti-explosion polypropylene film capacitor |
| CN105261477A (en) * | 2015-09-10 | 2016-01-20 | 姜超 | Convenient-to-connect capacitor |
| CN107768138A (en) * | 2016-08-18 | 2018-03-06 | 宁波碧彩实业有限公司 | A kind of double end rivet pressure explosion-proof capacitor |
| CN107768138B (en) * | 2016-08-18 | 2024-01-23 | 宁波碧彩实业有限公司 | Double-end rivet pressure explosion-proof capacitor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090916 |
|
| CX01 | Expiry of patent term |