CN204270887U - A kind of lamp capacitor - Google Patents
A kind of lamp capacitor Download PDFInfo
- Publication number
- CN204270887U CN204270887U CN201420768690.0U CN201420768690U CN204270887U CN 204270887 U CN204270887 U CN 204270887U CN 201420768690 U CN201420768690 U CN 201420768690U CN 204270887 U CN204270887 U CN 204270887U
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- capacitor
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- lamp
- core pipe
- light fixture
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Abstract
The utility model relates to a kind of lamp capacitor, belongs to electronic technology field, and it solve the lamp capacitor heat resistance used in prior art poor, security performance is poor, and tool causes rush of current, and anti-flammability is poor, there is the problem of the potential safety hazards such as electric leakage.This lamp capacitor comprises electric capacity housing, be encapsulated in the capacitor core in electric capacity housing, be arranged at the core pipe of capacitor core inside, the discharge resistance in parallel with capacitor core two ends, capacitance core pipe internal series-connection has current insurance silk and Thermal Cutoffs, and capacitance core pipe and capacitor core are connected to lead-in wire.This lamp capacitor by being in series with Thermal Cutoffs and current insurance silk simultaneously in capacitance core pipe; this capacitor is installed in light fixture can protect lamp temperatures and electric current simultaneously; ensure light fixture at high temperature auto-breaking; the auto-breaking when transient current is larger; make light fixture can carry out cutting electricity under high temperature and supercurrent situation, available protecting effect is played to light fixture.
Description
Technical field
The utility model belongs to electronic technology field, relates to a kind of capacitor, particularly a kind of film-type lamp capacitor.
Background technology
Capacitor has irreplaceable effect in circuit as basic prototype part; Particularly metallic film capacitor is little with volume, nonpolarity, the large resistance to temperature of capacity is high, self-healing property good, and dielectric strength is high, and low-dielectric loss, high insulation resistance etc. are widely used in filtering, bypass, lotus root are closed, resonance and in the circuit such as straight.
Metallic film capacitor utilizes polyester film or polypropylene film as medium, allumen is attached to film surface by vacuum evaporation mode, form electrode metallization film capacitor and there is withstand voltage height, high insulation resistance, impedance frequency characteristic good (less stray inductance), lower ESR, high power capacity stability, low loss tangent.At present, there is more shortcoming in the lamp capacitor of use: 1, capacitor heat resistance is poor, if operating temperature can comparatively fast lose efficacy more than 100 DEG C; 2, most capacitor does not consider safety device, and security performance is poor; 3, a part of capacitor does not adopt discharge resistance, and adopts the condenser resistance resistance of discharge resistance accurately not select, and easily causes rush of current to light fixture when capacitor uses; 4, adopt plastic casing, anti-flammability is poor; 5, the PVC insulating barrier of lead-out wire is at high temperature easily aging, brings potential safety hazard; 6, there is the charged external dew of capacitor of part, easily produce leaky.
Even if be provided with Thermal Cutoffs in light fixture electric capacity, can control it and at high temperature carry out open circuit, its security performance also cannot obtain effective guarantee, still can cause condenser failure when rush of current is larger, even occurs the phenomenon of quick-fried shell, affects light fixture useful life.
Summary of the invention
The purpose of this utility model there are the problems referred to above for existing technology, proposes a kind of long service life, can simultaneously to the lamp capacitor that temperature and electric current are monitored.
The purpose of this utility model realizes by following technical proposal: a kind of lamp capacitor, it is characterized in that, comprise electric capacity housing, be encapsulated in the capacitor core in electric capacity housing, be arranged at the core pipe of capacitor core inside, the discharge resistance in parallel with capacitor core two ends, described capacitance core pipe internal series-connection has current insurance silk and Thermal Cutoffs, and described capacitance core pipe and capacitor core are connected to lead-in wire.
In above-mentioned lamp capacitor, outside described lead-in wire, be coated with plastic pipe.
In above-mentioned lamp capacitor, described capacitor body is that high-temperature resistant metal zinc-aluminium composite polypropylene film winding forms, and namely adopts high temperature resistant high-class product metallization zinc-aluminium composite polypropylene film wound capacitor fuse.This kind of film temperature tolerance is good, and at 110 DEG C, percent thermal shrinkage is little, and the capacitor made at high temperature can long-time running.
In above-mentioned lamp capacitor, described capacitor core two ends are respectively equipped with gilding layer, and described core pipe one end is connected with lead-in wire, and the other end welds with gilding layer.
In above-mentioned lamp capacitor, described lead-in wire is linked together by the mode of welding with gilding layer.
In above-mentioned lamp capacitor, described discharge resistance, capacitor core by epoxy encapsulation in housing.
Compared with prior art; this lamp capacitor by being in series with Thermal Cutoffs and current insurance silk simultaneously in capacitance core pipe; this capacitor is installed in light fixture can protect lamp temperatures and electric current simultaneously; ensure light fixture at high temperature auto-breaking; the auto-breaking when transient current is larger; make light fixture can carry out cutting electricity under high temperature and supercurrent situation, available protecting effect is played to light fixture.
Accompanying drawing explanation
Fig. 1 is the sectional structure schematic diagram in this lamp capacitor.
In figure, 1, housing; 2, fuse; 3, core pipe; 31, current insurance silk; 32, Thermal Cutoffs; 4, resistance; 5, go between; 51, plastic pipe; 6, gilding layer.
Embodiment
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
As shown in Figure 1, this lamp capacitor, comprise electric capacity housing 1, be encapsulated in the capacitor core 2 in electric capacity housing 1, be arranged at the core pipe 3 of capacitor core 2 inside, the discharge resistance 4 in parallel with capacitor core 2 two ends, described capacitance core pipe 3 internal series-connection has current insurance silk 31 and Thermal Cutoffs 32, and described capacitance core pipe 3 and capacitor core 2 are connected to lead-in wire 5.For improving electric capacity safety in utilization, being also coated with plastic pipe 51 outside described lead-in wire 5, facilitating installation personnel to install.Described capacitor core 2 two ends are respectively equipped with gilding layer 6, and described core pipe 3 one end is connected with lead-in wire 5, and the other end welds with gilding layer 6, thus plays series connection effect.The inner set temperature fuse 32 of capacitance core pipe 3 and current insurance silk 31, therefore when capacitor generation thermal breakdown or big current puncture, capacitor is disconnected from the circuit automatically, ensure light fixture safety, capacitor body 2 is parallel with discharge resistance 4, accurately can calculate resistance and the power of discharge resistance 4, in the short time, the magnitude of voltage of capacitor can be down to below 50V from 1.1 times of rated voltages.
In this lamp capacitor, described capacitor body 2 forms for high-temperature resistant metal zinc-aluminium composite polypropylene film winding, namely adopts high temperature resistant high-class product metallization zinc-aluminium composite polypropylene film wound capacitor fuse 2.This kind of film temperature tolerance is good, and at 110 DEG C, percent thermal shrinkage is little, and the capacitor made at high temperature can long-time running.Lead-in wire 5 is linked together by the mode of welding with gilding layer 6, discharge resistance 4 and capacitor core 2 in the lump by epoxy encapsulation in housing 1.
This lamp capacitor by being in series with Thermal Cutoffs 32 and current insurance silk 31 simultaneously in capacitance core pipe 3; this capacitor is installed in light fixture can protect lamp temperatures and electric current simultaneously; ensure light fixture at high temperature auto-breaking; the auto-breaking when transient current is larger; make light fixture can carry out cutting electricity under high temperature and supercurrent situation, available protecting effect is played to light fixture.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Claims (6)
1. a lamp capacitor, is characterized in that; Comprise electric capacity housing, be encapsulated in the capacitor core in electric capacity housing, be arranged at the core pipe of capacitor core inside, the discharge resistance in parallel with capacitor core two ends, described capacitance core pipe internal series-connection has current insurance silk and Thermal Cutoffs, and described capacitance core pipe and capacitor core are connected to lead-in wire.
2. in lamp capacitor according to claim 1, it is characterized in that: outside described lead-in wire, be coated with plastic pipe.
3. in lamp capacitor according to claim 1, it is characterized in that: described capacitor body is that high-temperature resistant metal zinc-aluminium composite polypropylene film winding forms.
4. in lamp capacitor according to claim 3, it is characterized in that: described capacitor core two ends are respectively equipped with gilding layer, described core pipe one end is connected with lead-in wire, and the other end welds with gilding layer.
5. in lamp capacitor according to claim 4, it is characterized in that: described lead-in wire is linked together by the mode of welding with gilding layer.
6. in lamp capacitor according to claim 1, it is characterized in that: described discharge resistance, capacitor core by epoxy encapsulation in housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420768690.0U CN204270887U (en) | 2014-12-09 | 2014-12-09 | A kind of lamp capacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420768690.0U CN204270887U (en) | 2014-12-09 | 2014-12-09 | A kind of lamp capacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204270887U true CN204270887U (en) | 2015-04-15 |
Family
ID=52805740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420768690.0U Expired - Fee Related CN204270887U (en) | 2014-12-09 | 2014-12-09 | A kind of lamp capacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204270887U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107808781A (en) * | 2017-10-25 | 2018-03-16 | 江苏稳润光电科技有限公司 | A kind of electric capacity being applied in RC circuits, resistance integrated encapsulating structure |
-
2014
- 2014-12-09 CN CN201420768690.0U patent/CN204270887U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107808781A (en) * | 2017-10-25 | 2018-03-16 | 江苏稳润光电科技有限公司 | A kind of electric capacity being applied in RC circuits, resistance integrated encapsulating structure |
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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: 20151209 |
|
| EXPY | Termination of patent right or utility model |