CN86203698U - Inductance-capacity series connection electronic ballast - Google Patents
Inductance-capacity series connection electronic ballast Download PDFInfo
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- CN86203698U CN86203698U CN 86203698 CN86203698U CN86203698U CN 86203698 U CN86203698 U CN 86203698U CN 86203698 CN86203698 CN 86203698 CN 86203698 U CN86203698 U CN 86203698U CN 86203698 U CN86203698 U CN 86203698U
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- synchro switch
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Abstract
The utility model relates to an inductance-capacity series connection electronic ballast which belongs to components of illumination devices, and comprises a synchronous switch, an inductance capacitance series circuit and an electronic voltage doubling starting circuit. The utility model has the advantages of favorable current-voltage characteristic, real power and reactive power saving, good versatility, etc.; a florescent lamp is easily and instantly started under the low voltage (170V); a lamp tube of which the filament has no air leakage can still be used. The utility model is suitable for florescent lamps of 20W to 40W.
Description
The utility model belongs to the lighting device parts.
Ballast is and the matching used parts of fluorescent lamp.Existing LC tandem ballast is made up of the LC series circuit, needs to use starter, because the constant-current characteristics of LC series circuit itself is not easy to the starter fluorescent lamp, and particularly can not the starter fluorescent lamp when low-voltage.
The purpose of this utility model is to provide a kind of good voltage-current characteristic that has, and can save active power and reactive power, does not need to use starter and can be at the following LC tandem electric ballast of starter fluorescent lamp of low-voltage (170V).
The utility model is the LC series circuit, electronics multiplication of voltage starting circuit and synchro switch are formed one, constitute the LC series circuit by mutual capacitance C1 and choke L, constitute electronics multiplication of voltage starting circuit by two rectifier diode BG1, BG2 and mutual capacitance C1, startup capacitor C 2, R1 and R2 are bleeder resistance, synchro switch K carries out improvedly on the basis of existing power supply pulling switch, is made up of F, F ', A, B, five contacts of C.
When the backguy of the synchro switch of leaving behind, F point and F ' some closure, energized, C point is connected with the A point simultaneously, circuit turn-on, formation electronics multiplication of voltage starting circuit, moment the starter fluorescent lamp; When loosening the backguy of synchro switch, the C point disconnects with the A point and is connected with the B point, change the disconnection of electronics multiplication of voltage starting circuit over to LC series circuit operating state, make the fluorescent lamp steady operation, this just gives full play to the advantage of electronics multiplication of voltage starting circuit, and overcome existing LC tandem ballast owing to its constant-current characteristics, be not easy to the technological difficulties of starter fluorescent lamp.When leaving behind switch once more, F point and F ' some disconnection are cut off the electricity supply, and fluorescent lamp extinguishes.
The utility model compared with prior art, has good voltage-current characteristic, save active power, power factor of electric network there is compensating action and saves reactive power, need not use starter, be easy at low-voltage (170V) starter of following moment fluorescent lamp, and to the air tight fluorescent tube of fracture of wire (as long as fluorescent lamp fracture of wire two terminal shortcircuits), advantage such as still can utilize.
Fig. 1 is a LC tandem electric ballast electrical schematic diagram, " 1 " and " 5 " is bleeder resistance R1, R2, resistance is respectively 270K, " 2 " are mutual capacitance C1, the appearance value is 4 μ F ± 15%400V, and " 3 " for starting capacitor C 2, the appearance value is 1-2 μ F400V, " 4 " are choke L, inductance value is 0.7～1H, and " 6 " and " 7 " are rectifier diode BG1, BG2, withstand voltage 400V, electric current 1A, " 9 " are synchro switch K, A, B, C, F, F ' is the contact of synchro switch K " 9 ", and " 10 " are fuse, " 8 " are fluorescent lamp, and G is arranged, G ', H, four end points of H '.F ' of synchro switch K " 9 " is connected with the power supply of 220V, synchro switch K " 9 " F point is connected with the common contact of capacitor C 1 " 2 " with capacitor C 2 " 3 " through fuse " 10 ", the other end of capacitor C 1 " 2 " is connected with the end of choke L " 4 ", the other end of choke L " 4 " is connected with the H end of fluorescent lamp " 8 ", the other end of capacitor C 2 " 3 " is connected with the B point of synchro switch K " 9 " and the G end of fluorescent lamp " 8 ", the C point of synchro switch K " 9 " is connected with the positive pole of diode BG1 " 6 ", the negative pole of diode BG1 " 6 " is connected with the G ' end of fluorescent lamp " 8 ", the A point of synchro switch K " 9 " is connected with the negative pole of diode BG2 " 7 ", and the positive pole of diode BG2 " 7 " is connected with the H ' end of fluorescent lamp " 8 ".
Fig. 2 is the structural representation of synchro switch K, (a) is front view, (b) is end view, " 10 " are fuse, and " 11 " are conducting strip F, and " 12 " are static contact F ', " 13 " are the A contact, and " 14 " are the B contact, and " 15 " are the C contact, " 16 " are ratchet, " 17 " are the tripod moving plate, and " 18 " are central shaft, and " 19 " are the backguy sheet, " 20 " are backguy, and " 21 " are spring.Wherein, conducting strip F " 11 ", static contact F ' " 12 ", A contact " 13 ", B contact " 14 " is fixed point; C contact " 15 " tripod moving plate " 17 ", backguy sheet " 19 " is moving point.C contact " 15 " is crowded and contact with B contact " 14 " by backguy sheet " 19 ", and conducting strip F " 11 " is connected with tripod moving plate " 17 " on being fixed on ratchet " 16 ".
When the backguy " 20 " of synchro switch K " 9 " of leaving behind, conducting strip F " 11 " contacts with static contact F ' " 12 " by tripod moving plate " 17 ", makes C contact " 15 " lose the crowded of backguy sheet " 19 " simultaneously and relies on self elastic force to leave B contact " 14 " and contact with A contact " 13 "; When the backguy of unclamping synchro switch K " 9 " " 20 ", backguy sheet " 19 " is by the elastic reset of spring " 21 ", and crowded C contact " 15 " breaks away from A contact " 13 " and contacts with B contact " 14 ".When leaving behind the backguy " 20 " of synchro switch K " 9 " once more, the tripod moving plate " 17 " that is fixed on the ratchet " 16 " breaks away from static contact F ' " 12 ", and conducting strip F " 11 " and static contact F ' " 12 " are disconnected.
Fig. 3 is a LC tandem electric ballast outline drawing, (a) is front view, (b) is end view, and " 2 " are capacitor C 1, and " 3 " are capacitor C 2, and " 4 " are choke L, and " 9 " are synchro switch K.
Claims (2)
1, a kind of electric fluorescent ballast belongs to the lighting device parts, formed by the LC series circuit, of the present utility model being characterised in that by a synchro switch K " 9 ", two bleeder resistance R1 " 1 ", R2 " 5 ", a mutual capacitance C1 " 2 ", one starts capacitor C 2 " 3 ", a choke L " 4 ", and two rectifier diode BG1 " 6 ", BG2 " 7 " form.
2, it is characterized in that according to the said ballast of claim 1 its synchro switch K " 9 " is by fuse " 10 ", with conducting strip F " 11 ", static contact F ' " 12 ", A contact " 13 ", B contact " 14 " as fixed point, reach as the C contact " 15 " that moves point, tripod moving plate " 17 ", backguy sheet " 19 " etc. and form, wherein C contact " 15 " is crowded and contact with B contact " 14 " by backguy sheet " 19 ", and conducting strip F " 11 " is connected with tripod moving plate " 17 " on being fixed on ratchet " 16 ".
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 86203698 CN86203698U (en) | 1986-06-02 | 1986-06-02 | Inductance-capacity series connection electronic ballast |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 86203698 CN86203698U (en) | 1986-06-02 | 1986-06-02 | Inductance-capacity series connection electronic ballast |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN86203698U true CN86203698U (en) | 1987-12-12 |
Family
ID=4806938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 86203698 Ceased CN86203698U (en) | 1986-06-02 | 1986-06-02 | Inductance-capacity series connection electronic ballast |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN86203698U (en) |
-
1986
- 1986-06-02 CN CN 86203698 patent/CN86203698U/en not_active Ceased
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CE01 | Termination of patent right |