CN2401000Y - Soft starter able to shutoff - Google Patents
Soft starter able to shutoff Download PDFInfo
- Publication number
- CN2401000Y CN2401000Y CN 99257116 CN99257116U CN2401000Y CN 2401000 Y CN2401000 Y CN 2401000Y CN 99257116 CN99257116 CN 99257116 CN 99257116 U CN99257116 U CN 99257116U CN 2401000 Y CN2401000 Y CN 2401000Y
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- CN
- China
- Prior art keywords
- barium titanate
- zinc oxide
- thermosensitive resistor
- resistor film
- utility
- 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.)
- Expired - Lifetime
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Abstract
The utility model relates to an electronic ceramic device which is mainly used for advanced ignition of electronic energy-saving lamps. The utility model is combined into a whole by a zinc oxide varistor sheet, a heat conducting metal sheet and a barium titanate adulterated thermosensitive resistor sheet; two outer layers are respectively connected with conducting wires, and a main body is wrapped and sealed with an insulation layer. At the time of use, a filament is restarted after preheating. When the lamps work normally, a soft starter is in an off state, does not consume work to produce heat quantity, and has no heat influence on peripheral electronic elements. The luminous efficacy of the lamps can be increased by 3% to 5 %. The service life of the utility model is more than 500 thousand times, and the utility model is suitable for the products of middle and high-grade energy-saving lamps.
Description
The utility model relates to a kind of electronic ceramic device that compact electronic fluorescent lamp (electricity-saving lamp) pipeline start up by preheating is used that is mainly used in.
At present, the light efficiency of the measured electricity-saving lamp of matter has reached 60Lm/W, is 6 times of incandescent lamp bulb, and the life-span can reach about 8000h, is 8 times of incandescent lamp bulb.Because electricity-saving lamp economize on electricity, life-span length, no stroboscopic, volume are little, easy to use, so have become the ideal green illuminating product, and bigger development will be arranged.
Usually, the startup working method of electricity-saving lamp has two kinds, and the one, filament pre-heating starts; The 2nd, quick cold start-up.Above-mentioned two kinds of working methods are very big to the influence of lamp, and the general thermally-actuated switch life-span is tens of times of cold starting switch life-span.Usually blackspot appears in cold start-up hundreds of time back lamp tube ends, and serious blackout after 1000 times influence light efficiency and normal the use, therefore adopts pipeline start up by preheating (being soft start) mode extremely important to the life-span of raising electricity-saving lamp.
The pipeline start up by preheating of the electricity-saving lamp soft initiator of need between the lamp tube ends filament, connecting.CN 2145491Y patent provides a kind of fluorescent lamp starting preheater, and this preheater has positive temperature coefficient and has Curie point or the thermistor of switch temperature, is connected in parallel on being serially connected on the main oscillations electric capacity between fluorescent lamp two filaments of electric ballast.At present, generally adopting PTC is the preheating soft initiator, and it is one of main means that prolong the lamp life-span.But the greatest drawback of PTC is a wasted work not only at work, and heating, makes the electrical quantity drift of its peripheral electronic component even loses efficacy.Many experts think, make good use of PTC element not a duck soup (seeing " light source and illumination " No.3 in 1999), therefore influence its extensive use.
The purpose of this utility model is to provide a kind of no power consumption of electronic energy-saving lamp, athermic soft initiator that automatically shuts down of being mainly used in.
The utility model becomes the resistance sheet by zinc oxide and the stitch welding of barium titanate doping thermistor (PTC) plate plane is formed into one, and two skins connect lead respectively, and main body is sealed insulating barrier.Be preferably between zinc oxide change resistance sheet and the barium titanate doping thermosensitive resistor film and establish the heat-conducting metal lamella.Zinc oxide becomes the resistance sheet and barium titanate doping thermosensitive resistor film is disc, and the external diameter that zinc oxide becomes resistance sheet and barium titanate doping thermosensitive resistor film is respectively 6～10mm and 3～6mm; Thermal conductive metal plate is disc or flat drum shape, its external diameter and thickness are respectively 5～10mm and 0.2～1mm, should have between drum internal diameter and the supporting barium titanate doping thermosensitive resistor film external diameter 〉=gap of 1mm, its inside wall height is less than the thickness of barium titanate doping thermosensitive resistor film.
The utility model is on the basis of former PTC thermistor and close zinc oxide change resistance sheet (shock-resistant piezo-resistance), makes original Current Control transfer voltage control to, makes original temperature diffusion device that has transfer not heater members to, and the variation of matter has taken place theoretically.Particularly become between resistance sheet and the barium titanate resistor disc and can reduce zinc oxide body heat capacity behind the increase thermal conductive metal plate interlayer at zinc oxide, can rapidly heat be passed to the thermistor body again, making it resistance increases, power consumption is transferred to the thermistor body, reduce the double action of electric current input again, promptly both played the conduction heat transfer effect, play thermolysis again, therefore the utility model not only is suitable for various middle low power electricity-saving lamps and part great-power electronic fluorescent lamp, and can be smoothly by the safety certification of major country with the area.Owing to have no power consumption and thermal diffusion, therefore can make electricity-saving lamp efficient improve 3～5 percentage points, whole lamp reliability has clear improvement.
Fig. 1 adopts the structure chart of disc thermal conductive metal plate for the utility model.
Fig. 2 adopts the structure chart of drum shape thermal conductive metal plate for the utility model.
Embodiment 1: as shown in Figure 1, can turn-off soft initiator is made up of zinc oxide change resistance sheet 1, thermal conductive metal plate 2, barium titanate doping thermosensitive resistor film 3 and lead 4 and 5, zinc oxide becomes resistance sheet 1, thermal conductive metal plate 2 and barium titanate doping thermosensitive resistor film 3 and is disc, three are integrated, thermal conductive metal plate 2 is the intermediate layer, two skins (the two poles of the earth) are drawn lead 4,5, and main body is sealed insulating barrier.Its dimensional requirement is decided with the matched lamp specification.The external diameter that zinc oxide becomes resistance sheet 1, thermal conductive metal plate 2 and barium titanate doping thermosensitive resistor film 3 can be 6～10mm, 5～10mm, 3～6mm respectively.The thickness of thermal conductive metal plate 2 is 0.2～1mm, adopts copper or iron material.
Embodiment 2: as shown in Figure 2, can turn-off the structure of soft initiator and the difference of embodiment 1 and only be that thermal conductive metal plate 6 adopts drum shape, all the other are identical, between drum internal diameter and supporting barium titanate doping thermosensitive resistor film 3 external diameters be 〉=gap of 1mm, its inside wall height is less than the thickness of barium titanate doping thermosensitive resistor film 3.The two poles of the earth that zinc oxide becomes resistance sheet 1 and barium titanate doping thermosensitive resistor film 3 connect lead 4,5.
In the use, restart behind the filament pre-heating, when the lamp operate as normal, soft initiator is in off state, and itself is wasted work generation heat no longer, and its life-span can reach more than 500,000 times, is applicable to medium-to-high grade electronic energy-saving lamp product.
Claims (5)
1. can turn-off soft initiator, it is characterized in that being made up of into one zinc oxide change resistance sheet and the stitch welding of barium titanate doping thermistor plate plane, two skins connect lead respectively, and main body is sealed insulating barrier.
2. the soft initiator that turn-offs as claimed in claim 1 is characterized in that establishing the heat-conducting metal lamella between zinc oxide change resistance sheet and barium titanate doping thermosensitive resistor film.
3. the soft initiator that turn-offs as claimed in claim 1 is characterized in that zinc oxide becomes the resistance sheet and barium titanate doping thermosensitive resistor film is disc.
4. as claim 1 or the 3 described soft initiators that turn-off, it is characterized in that zinc oxide becomes the external diameter that hinders sheet and barium titanate doping thermosensitive resistor film and is respectively 6～10mm and 3～6mm.
5. as claim 1 and the 2 described soft initiators that turn-off, it is characterized in that thermal conductive metal plate is disc or drum shape, its external diameter and thickness are respectively 5～10mm and 0.2～1mm, between drum internal diameter and the supporting barium titanate doping thermosensitive resistor film external diameter be 〉=gap of 1mm, its inside wall height is less than the thickness of barium titanate doping thermosensitive resistor film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99257116 CN2401000Y (en) | 1999-12-03 | 1999-12-03 | Soft starter able to shutoff |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99257116 CN2401000Y (en) | 1999-12-03 | 1999-12-03 | Soft starter able to shutoff |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2401000Y true CN2401000Y (en) | 2000-10-11 |
Family
ID=34040078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99257116 Expired - Lifetime CN2401000Y (en) | 1999-12-03 | 1999-12-03 | Soft starter able to shutoff |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2401000Y (en) |
-
1999
- 1999-12-03 CN CN 99257116 patent/CN2401000Y/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |