CN1106603A

CN1106603A - Fluorescent lamp comprising dry reed starter, plate light tube and silicon steel sheet ballast

Info

Publication number: CN1106603A
Application number: CN 94101790
Authority: CN
Inventors: 李上灿
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-02-05
Filing date: 1994-02-05
Publication date: 1995-08-09

Abstract

A dry reed relay is used as mechanical oscillator for "cold start" of lamp. A dry reed tube can strength function of hot relay for automatic regulation of start time and ensuring low-temp. trigger of lamp. A shielded lamp tube is used for long service life. A tapped silicone-sheet ballast and a dry reed relay are used for automatic regulation of inductance to ensure brightness and start performance at low voltage. Three-terminal semiconductor device is not used for high reliability.

Description

Fluorescent lamp comprising dry reed starter, plate light tube and silicon steel sheet ballast

The present invention relates to the electric source lighting technology.

The patent and the patent application that relate to fluorescent lamp are a lot, only domestic just reaching more than thousand, and what wherein relate to fluorescent lamp regulation device (start or/and current-limiting apparatus) accounts for 80%, among the latter is that the electronic type regulation device of representative is more than half with the electric ballast; The author also made to explore and successively applied for five patents (application number 89103937.6,93206853.7,93216063.8,94200319.5,94201140.6) in this respect, wherein relate to a kind of plate fluorescent tube, promptly with the screen board formula electrode of non-resistance replace traditional fluorescent lamp tube filament, avoid filament to break falling to causing life termination to pursue urgently long lamp tube service life; Make a general survey of various fluorescent lamps, comprise silicon steel sheet ballast, neon bulb formula starter, traditional fluorescent lamp of filament fluorescent tube, circuit is the simplest, parts are minimum, price is the most honest and the cleanest, reliability best (meet technical standard and supply power voltage be not significantly exceeding the quata of continuing) as long as ballast is not shoddy, with the electric ballast be representative electric type fluorescent lamp by contrast, be in a disadvantageous position aspect reliability and the price two, and because the thermal capacity of semiconductor device is little, the inherent characteristic that moment promptly can damage, inferior position aspect reliability can not change, and the dominant position of traditional fluorescent lamp also will continue.

Traditional fluorescent lamp has three big shortcomings: startability is poor, at low temperature or/and during low suppling voltage even can not start; When supply power voltage reduced, lamp current/lamp brightness sharply descends even lamp goes out, and is right especially when hanging down temperature; The life-span of fluorescent tube is limited.The objective of the invention is, form novel florescent lamp, overcome above-mentioned three big shortcomings of traditional fluorescent lamp by Glow starter and plate fluorescent tube, silicon steel sheet ballast.

Accompanying drawing 1 is tongue tube starter and plate fluorescent tube, the circuit diagram of the fluorescent lamp that silicon steel sheet ballast is formed, AC represents AC power, K is a lamp switch, ZL is a silicon steel sheet ballast, YD is the plate fluorescent tube, YD ' is the filament fluorescent tube, two leading foots of the filament of each end of the latter use by two reeds of its fluorescent tube base are in parallel, expression is to two kinds of fluorescent lamp tube compatibles among the figure, SJ in the dashed rectangle is the tongue tube starter, wherein JAGZR has thermal relay function conversion formula tongue tube concurrently, its movable contact spring 2 adopt thrermostatic bimetal-plates promptly the different sheet metal of two kinds of thermal coefficient of expansions combination and wherein have at least a kind of for softmagnetic metal sheet to keep the tongue tube function, wherein the sheet metal that thermal coefficient of expansion is bigger is positioned near a normally closed side of deciding reed 1, thrermostatic bimetal-plate connects heating resistor r, the other end extraction tube of r is outward 3 pin, the tongue tube coil L outer with being enclosed within pipe forms dry-reed relay, be after K closes after turning on light, alternating current passes through ZL, reed 1 and 2, L, when current instantaneous value increases to certain set point when above, it is that movable contact spring 2 leaves and normally closedly decides reed 1 and inhale to Chang Kaiding reed 4 that the magnetic flux of L makes tongue tube " adhesive ", so ZL produces very high pulse voltage and punctures YD, the energy of ZL storage is discharged into YD, but this moment, the L electric current was decayed rapidly, so switching tube " release " promptly resets, and repeat said process again, it is the frequent vibration of movable contact spring 2, be similar to mechanical chopper (mechnical oscillator), YD is by frequent triggering, its tube voltage drop descends, the lamp current effective value rises, resistance r generates heat by lamp current therebetween, heating and causing movable contact spring 2 is the thrermostatic bimetal-plate elevated temperature deformation, leave reed 1 at last, this moment, YD was fully triggered, lamp current tends towards stability, and continue to make it last contact spring 4 and keep this state by resistance r heating movable contact spring 2, L is by short circuit, prevent the vibration of reed 2, so far start-up course finishes, the situation of stable operation after this is identical with traditional fluorescent lamp, the effect of C is in tongue tube " adhesive " process, reed 2 leaves reed 1 and is not drawn to moment of reed 4, the electric current of L continues to some extent, and makes L not produce high pulse voltage in order to avoid its coil inside punctures; When adopting non-thermal relay scheme to test, once observed that supply power voltage is higher, when temperature is lower than 10 ℃, start very fast end, but the phenomenon that fluorescent tube has optical flare and can not eliminate voluntarily, therefore in tongue tube, increase the thermal relay function, make prolongation is arranged start-up time slightly, the movable contact spring 2 of tongue tube is that the elevated temperature deformation of thrermostatic bimetal-plate is relevant with the effective value and the temperature of lamp current to the time of action, and thermal inertia is arranged, the abundant triggering of fluorescent tube when designing thermal relay accurately and can guarantee to start in all cases; The tongue tube starter makes independently garden cylindricality assembly, three leading foots are arranged at its bottom is that T1, T2, T3 and mutual spacing are asymmetric, it is on jack Z1, Z2, the Z3 that this assembly is plugged on the supporting with it socket by its leading foot, for making things convenient for factory's assembling and terminal block, also install one on the fluorescent lamp and comprise that 4 binding posts are the line bank of J1, J2, J3, J4.

In the accompanying drawing 2, increase the dry-reed relay that a change type tongue tube JAGZ and coil L2 thereof form, supply power voltage is through the halfwave rectifier (R current limliting) of D, supply with the level and smooth direct current of L2 after the C2 filtering, the coil of ZL has a tap, when supply power voltage is low,

reed

5,6 paths (as shown in the figure), a part of access circuit of the coil of ZL, inductance value is less, the low startability that causes of supply power voltage and lamp lowering of luminance even lamp gone out compensate, when supply power voltage reaches certain set point when above, JAGZ " adhesive " is a reed 6,7 paths, whole coil access circuits of ZL, inductance value is bigger; Two circle mutual inductance type radio frequency choke B and capacitor C3, C4 form bridge-type High frequency filter networking, the Harmonic Interference that produces during with deduction and exemption fluorescent lamp starting and operation, and AC power inserts from J1, J2.The performance of this kind fluorescent lamp is very perfect, and cost has increase slightly.

Neon bulb formula starter also has the thermal relay function, but randomness is not got in touch, had to the current instantaneous value of opportunity of opening circuit in its contact and ballast, the energy (W=1/2I of ballast storage when promptly opening circuit ²L) promptly the instantaneous triggering power of fluorescent tube is not guaranteed yet, once triggering failure restarts again, the contact action often will repeat for several times (action cycle is also long) and could start successfully, at low temperature or/and during low suppling voltage neon bulb can not puncture or not become the contact action because of the little heating power of neon bulb electric current is little and intact, cause and can not start, fluorescent lamp performs practically no function; Tongue tube starter among the present invention, tongue tube is to reach certain set point at current instantaneous value to produce the action of opening circuit when above, promptly the instantaneous triggering power to fluorescent tube is quite big for the energy (inductance value of ballast is than big 2～3 orders of magnitude of inductance value of the oscillation transformer in the electronic type regulation device) of ballast storage this moment, the pulse voltage that produces is very high, and it is quite high to trigger frequency, so startability is fine, can guarantee not utilize the success of " cold start-up " of thermionic emission, created condition for enabling the plate fluorescent tube, and the latter is owing to cancelled filament, its life-span is urgently long, even adapted filament fluorescent tube, still can continue to use behind filament no power preheating and the filament breaking during because of startup, also there is suitable prolongation in its life-span; Fluorescent lamp shown in the accompanying drawing 2, the low startability that causes of supply power voltage and lamp lowering of luminance even lamp are gone out compensates again; In sum, the present invention has overcome the three above-mentioned big shortcomings of traditional fluorescent lamp; The present invention's semiconductor device (accompanying drawing 1) or only adopted a sizable diode of overcurrent multiple (accompanying drawing 2) has kept the advantage of the good reliability of traditional fluorescent lamp; In a word, two kinds of fluorescent lamps of the present invention have the advantage of competition fluorescent lamp regeneration product.

Claims

1, the fluorescent lamp of tongue tube starter and plate fluorescent tube, silicon steel sheet ballast composition is characterized in that--

Described tongue tube starter (SJ) comprises and has thermal relay function conversion formula tongue tube (JAGZR) concurrently, coil (L), capacitor (C) etc., coil is enclosed within tongue tube and forms dry-reed relay outward, capacitor (C) is in parallel with coil (L), the movable contact spring (2) of tongue tube (JAGZR) adopt thrermostatic bimetal-plate promptly the different sheet metal of two kinds of thermal coefficient of expansions combination and wherein have a kind of softmagnetic metal sheet that is at least, wherein the sheet metal that thermal coefficient of expansion is bigger is positioned near a normally closed side of deciding reed (1), thrermostatic bimetal-plate connects heating resistor (r), the other end of heating resistor (r) is drawn tongue tube outer (3), tongue tube starter (SJ) makes independently garden cylindricality assembly, there are three leading foots and mutual spacing asymmetric bottom it, what wherein No. 1 leading foot (T1) connect tongue tube (JAGZR) normally closedly decides reed (1), No. 2 leading foot (T2) connects the heating resistor (r) of tongue tube, No. 3 leading foot (T3) connects the Chang Kaiding reed (4) and the coil (L) of tongue tube, the movable contact spring (2) of another termination tongue tube of coil, tongue tube starter (SJ) is plugged on the supporting with it socket by the leading foot of its bottom, No. 1/2/3 jack (Z1/Z2/Z3) on the socket plugs with No. 1/2/3 leading foot (T1/T2/T3) of tongue tube starter (SJ) respectively, and is connected to No. 1/2/3 binding post (J1/J2/J3) respectively;

The coil two ends of described silicon steel sheet ballast (ZL) connect No. 1/4 binding post (J1/J4) respectively, the two end electrodes of described plate fluorescent tube connects No. 1/2 binding post (J1/J2) respectively, AC power connects No. 3/4 binding post (J3, J4), and described No. 1/2/3/4 binding post formed a line bank.

2, the fluorescent lamp of tongue tube starter according to claim 1 and plate fluorescent tube, silicon steel sheet ballast composition improves the fluorescent lamp that forms, it is characterized in that-

The coil of described silicon steel sheet ballast (ZL) has a tap;

Increase dry-reed relay, two capacitors (C3, C4) and two circle mutual inductance type radio frequency choke (B), resistance (R), diode (D), an electrolytic capacitor (C2) of forming by change type tongue tube (JAGZ) and coil (L2) thereof;

Described two capacitor (C3, C4) and two circle mutual inductance type radio frequency chokes (B) form bridge-type High frequency filter networking and be connected in the electric power incoming line, AC power is from two binding post (J1, J2) insert, two binding post (J1, J2) between in parallel one by resistance (R), diode (D), the branch road of electrolytic capacitor (C2) three series connection, electrolytic capacitor (C2) is in parallel with described coil (L2), the movable contact spring (6) of described change type tongue tube (JAGZ) connects electric power incoming line, its Chang Kaiding reed (7) connects whole coils of described silicon steel sheet ballast, and it is normally closed decides the tap that reed (5) connects the coil of silicon steel sheet ballast.

3, the fluorescent lamp that forms according to claim 1 or the described fluorescent lamp accommodation of claim 2, it is characterized in that-need not described plate fluorescent tube (YD) and use filament fluorescent tube (YD ') instead, two leading foots of the filament of each end of the latter use by two reeds of its fluorescent tube base are in parallel.