CN2676560Y

CN2676560Y - A stroboflash-free controller for lighting lamp

Info

Publication number: CN2676560Y
Application number: CN 200420024113
Authority: CN
Inventors: 韩勍
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-01-08
Filing date: 2004-01-08
Publication date: 2005-02-02
Anticipated expiration: 2014-01-08

Abstract

The utility model discloses a stroboflash-free controller for a lighting lamp for solving the previous problems in existing controllers. If the controller is adopted, the depth of the stroboflash wave motion of a tungsten lamp can be smaller than 5%, and the stroboflash of an electronic ballast daylight lamp can reduce about 20%-60%. The utility model comprises capacitances C1, C2 and bridge rectifier circuits D1-D4. The stroboflash-free controller for the lighting lamp is characterized in that the mains supply is directly connected with the input ends of the bridge rectifier circuits D1-D4; the current limiting high voltage resistant capacitance C1 is connected between any one input end of the D1-D4 and the corresponding end of the mains supply; and the output of the bridge rectifier circuits is connected with the high voltage resistant electrolysis capacitance C2 with a big capacity and is connected with a controlled lighting lamp simultaneously.

Description

The no stroboscopic controller of a kind of illuminating lamp

Technical field

The utility model relates to a kind of controller, especially is the no stroboscopic controller of a kind of illuminating lamp.

Background technology

At present, people generally use the electric main of 50～60Hz to be used for illumination under the various occasions of indoor and outdoor, used illuminating lamp mainly is tungsten lamp and gaseous discharge lamp two classes, when this two classes lighting adopts electric main to do mains lighting supply, the light luminance that they send presents synchronization fluctuate scintillation, i.e. stroboscopic phenomenon with the frequency of civil power mostly.Testing result shows that the stroboscopic fluctuation degree of depth of ordinary incandescent lamp is 20～40%, and the stroboscopic fluctuation degree of depth of common fluorescent lamp or electricity-saving lamp is 30～80%.The product that adopts the high-frequency electronic ballast eye-protecting lamp to reduce stroboscopic is also arranged now,, be difficult to make the stroboscopic fluctuation degree of depth of light to be reduced in 5% though it is limited to reduce the stroboscopic amplitude.

Summary of the invention

The purpose of this utility model is to provide a kind of illuminating lamp with no stroboscopic controller in order to address the above problem, and adopts this controller can make the stroboscopic of tungsten lamp fluctuate the degree of depth less than 5%, makes about electronic ballast fluorescent lamp stroboscopic decline 20-60%.

Technical solution of the present utility model:

The no stroboscopic controller of a kind of illuminating lamp, it includes bridge rectifier D1-D4, it is characterized in that mains supply directly links to each other with the input of bridge rectifier D1-D4, between the corresponding end of arbitrary input of bridge rectifier D1-D4, be connected to the high pressure resistant capacitor C 1 of current limliting with mains supply, the output of bridge rectifier D1-D4 is connected to the high pressure resistant electrochemical capacitor C2 of big capacity, links to each other with controlled illuminating lamp W simultaneously.

Advantage of the present utility model:

Because tungsten lamps such as incandescent lamp, tungsten halogen lamp, has goodish color developing (color rendering index is 100), so still have irreplaceable status at a lot of lighting fields, the utility model can not produce electromagnetic radiation and produce hardly under the prerequisite of heat, bring the effect of eliminating the light stroboscopic can for various tungsten lamps, can be widely used in multiple light fixture, as: desk lamp, standard lamp, wall lamp, Down lamp, ceiling light, pendent lamp, quartz spot lamp and video display specialty are with lamp etc.Because the cold-state resistance of tungsten lamp is little, ordinary lamps does not have current limiting measures, influences the useful life of lamp so there is bigger impulse current the moment of just having turned on light.The utlity model has the current limliting of capacitor C1 and the cushioning effect of capacitor C2, can prolong the useful life of tungsten lamp.

The utility model can be eliminated stroboscopic and send no strobelight, its stroboscopic degree of depth＜5%, and do not have the electromagnetic radiation that high-frequency circuit produces, and cost is hanged down the reliability height, and belonging to does not only have desirable illuminating lamp that light pollution but also electromagnetic-radiation-free pollute with no stroboscopic controller.

The utility model also can reduce the maintenance capacity of light fixture, reduces the waste of physical resources, reduces the generation quantity of discarded object, helps environmental protection.People were in order to improve the useful life of tungsten lamp or electronic ballast fluorescent lamp in the past, usually realize with connect high-power resistance, methods such as the series connection of high-power tungsten lamp, electronic ballast fluorescent lamp series connection conventional, electric-resistance or PTC ceramic resistor of tungsten lamp with two same specifications, though these methods can prolong light fixture useful life, but majority is realized by sacrifice electric energy, increase quantity of heat production, reduction luminous efficiency, and the current limiting measures of the moment of not turning on light, actual effect is unsatisfactory.

The utility model is because at the input series connection current limiting capacitance C1 of bridge rectifier D1-D4 and at its output jumbo filter capacitor C2 in parallel, C1 and C2 are non-dissipative cell.Because the capacity of C1 is to select according to the rated current of luminous load, after then the capacity of C1 was determined, its ability by electric current depended primarily on the frequency of alternating current, and mains frequency is highly stable, so the current limitation effect of C1 is very good.Simultaneously,, can absorb the instantaneous high pressure pulse that utility grid may be imported into, so luminous load can work under level and smooth and stable voltage conditions, prolong useful life because the voltage on the big capacity filtering capacitor C2 can not suddenly change.

Description of drawings

Fig. 1 is an electrical schematic diagram of the present utility model.

Fig. 2 is the equivalent connection schematic diagrames of the utility model C1, R1 two kinds.

Fig. 3 is a light modulation theory structure schematic diagram of the present utility model.

Embodiment

Below in conjunction with accompanying drawing the utility model is further described:

As shown in Figure 1, the no stroboscopic controller of illuminating lamp of the present utility model, it includes bridge rectifier D1-D4, it is characterized in that mains supply directly links to each other with the input of bridge rectifier D1-D4, between the corresponding end of arbitrary input of bridge rectifier D1-D4, be connected to the high pressure resistant capacitor C 1 of current limliting with mains supply, the output of bridge rectifier D1-D4 is connected to the high pressure resistant electrochemical capacitor C2 of big capacity, links to each other with controlled illuminating lamp W simultaneously.

When mains voltage is 220V, capacity 〉=0.5P microfarad of the big high pressure resistant electrochemical capacitor C2 of capacity, withstand voltage 〉=400V of C2; The capacity of the high pressure resistant capacitor C 1 of current limliting is (0.2-0.3) P microfarad, withstand voltage 〉=250V of C1, and wherein P is the rated power of load illuminating lamp W, unit is watt.When mains voltage is 110V, capacity 〉=1P microfarad of the big high pressure resistant electrochemical capacitor C2 of capacity, withstand voltage 〉=250V of C2; The capacity of the high pressure resistant capacitor C 1 of current limliting is (0.4-0.6) P microfarad, withstand voltage 〉=160V of C1, and wherein P is the rated power of load illuminating lamp W, unit is watt.Withstand voltage 〉=400V of rectifier diode D1-D4 is preferably 600V-1000V.

For different load illuminating lamp W, the capacity span of the high pressure resistant electrochemical capacitor C2 of its big capacity is also different.For tungsten lamp: the span of the big high pressure resistant electrochemical capacitor C2 of capacity is: C2=(0.5-3.0) P microfarad; For electronic ballast fluorescent lamp: C2=(2-4) P microfarad.For the less tungsten lamp of rated power, the capacity of C2 preferably reaches more than the 1.5P microfarad, and for the less electronic ballast fluorescent lamp of rated power, the capacity of C2 preferably reaches more than the 3P microfarad.

In order to guarantee job security of the present utility model, it is charged to prevent from not have stroboscopic controller outage back circuit, should be at the two ends of capacitor C 1 and C2 respectively and be connected to big resistance discharge resistance R1 and R2, their value is usually at hundreds of kilo-ohms.

In the utility model, capacitor C 1 is a polarity free capacitor, be to reduce the volume and the cost thereof of circuit, and capacitor C 1 also can adopt the electrochemical capacitor C of two twice capacity to be in series back-to-back by both positive and negative polarity, and they respectively and meet separately discharge resistance R (as shown in Figure 2).Capacitor C 2 also can adopt many electrochemical capacitors to be formed in parallel.

After the utility model adopts capacitor C 1 current limliting, be rectified into Rectified alternating current with full-bridge type rectification circuit D1-D4 again, simultaneously between the positive pole of the output of bridge rectifier and negative pole, be connected with big capacity electrochemical capacitor C2, the positive pole of capacitor C 2 is connected with the positive pole of bridge rectifier output, the negative pole of capacitor C 2 is connected with the negative pole of bridge rectifier output, and the both positive and negative polarity of capacitor C 2 also is connected with load illuminating lamp W.Because the resistance of discharge resistance R1, R2 is generally hundreds of kilo-ohms, so its power consumption is very little.Lamp switch K should be connected on any side of bridge rectifier input, is used for the switch of control load illuminating lamp W.Rectifier diode D1-D4 is common rectifier diode, the size of the electric current value apparent load power of diode and deciding, and its withstand voltage generally gets 〉=and 600V is advisable.Because the input at bridge rectifier is connected to capacitor C 1, this electric capacity can also play overcurrent protection when short trouble appears in rectifier diode D1-D4.

Embodiment, for rated power is the tungsten lamp (incandescent lamp or tungsten halogen lamp) of 40W/220V, the capacity of capacitor C 2 is at least: 1.65 * 40=66 microfarad, withstand voltage 〉=the 400VDC of capacitor C 2 gets final product, the capacity of capacitor C 1 is preferably: 0.27 * 40=10.8 microfarad, withstand voltage 〉=250VAC of C1 gets final product, and like this, controller of the present utility model can make the stroboscopic fluctuation degree of depth＜2% of tungsten lamp.

As shown in Figure 1, bridge rectifier D1-D4 converts electric main to Rectified alternating current, through big capacity electrochemical capacitor C2 Rectified alternating current is carried out smothing filtering again, the direct current that relatively flat is just arranged between the both positive and negative polarity of C2, the height of this dc voltage comes balance by the size of capacitor C 1 capacity and the size of tungsten lamp bearing power again, in case the capacity of the rated power of light fixture bulb and capacitor C 1 is determined, so, just there is galvanic current to press on the capacitor C 2, tungsten lamp can be eliminated stroboscopic and send no strobelight under this metastable direct voltage effect, its stroboscopic degree of depth＜5%, increase than the no stroboscopic standard in Europe, and do not have the electromagnetic radiation that high-frequency circuit produces, cost is hanged down the reliability height, and belonging to does not only have desirable illuminating lamp that light pollution but also electromagnetic-radiation-free pollute with no stroboscopic controller.

When the utility model is used for desk lamp or interior decoration lamp, capacitor C 1 can be divided into the low capacity electric capacity that several can change quantity in parallel, total capacity when these low capacity electric capacity are all in parallel is suitable with the capacity of C1, by what of regulating capacitor quantity in parallel, can change the capacity of current limiting capacitance, thereby realize no stroboscopic dimming function.When being four as the number of shunt capacitor, as the C11 among Fig. 3, C12, C13, C14, its Principles of Regulation are: the angle difference that capacitor C 11-C14 rotates on fixing tinsel 2 with metal moving plate 1, the size of the total capacitance C1 that is combined into also can change, thereby just having regulated the brightness of lamp, R11-R14 is respectively the discharge resistance of C11-C14.

The light modulation desk lamp that adopts no stroboscopic controller of the present utility model to be produced, can also use compact electronic ballast energy-saving lamp or spiral type electronic ballast energy-saving lamp to replace the osram lamp of rated voltage as 220-230V, the rated power of electronic ballast energy-saving lamp can be chosen by the scope of the 1/4-1/2 of osram lamp rated power.Like this, can realize dimming function to the electronic ballast energy-saving lamp on the one hand, can make again on the other hand about ordinary electronic ballast energy-saving lamp stroboscopic amplitude decline 20-60% that for the big more electronic ballast energy-saving lamp of the stroboscopic fluctuation degree of depth, its stroboscopic descends obvious more.

Claims

1, the no stroboscopic controller of a kind of illuminating lamp, it includes bridge rectifier D1-D4, it is characterized in that mains supply directly links to each other with the input of bridge rectifier D1-D4, between the corresponding end of arbitrary input of bridge rectifier D1-D4, be connected to the high pressure resistant capacitor C 1 of current limliting with mains supply, the output of bridge rectifier D1-D4 is connected to the high pressure resistant electrochemical capacitor C2 of big capacity, links to each other with controlled illuminating lamp W simultaneously.

2, the no stroboscopic controller of illuminating lamp according to claim 1, it is characterized in that when mains supply is 220V, capacity 〉=0.5P microfarad of the big high pressure resistant electrochemical capacitor C2 of capacity, withstand voltage 〉=400V of C2, the capacity of the high pressure resistant capacitor C 1 of current limliting is (0.2-0.3) P microfarad, withstand voltage 〉=250V of C1, wherein P is the rated power of load illuminating lamp W, unit is watt.

3, the no stroboscopic controller of illuminating lamp according to claim 1, it is characterized in that when mains supply is 110V, capacity 〉=1P microfarad of the big high pressure resistant electrochemical capacitor C2 of capacity, withstand voltage 〉=250V of C2, the capacity of the high pressure resistant capacitor C 1 of current limliting is (0.4-0.6) P microfarad, withstand voltage 〉=160V of C1, wherein P is the rated power of load illuminating lamp W, unit is watt.

4, illuminating lamp according to claim 1 is characterized in that for tungsten lamp with no stroboscopic controller, and the span of the big high pressure resistant electrochemical capacitor C2 of capacity is: C2=(0.5-3.0) P microfarad; For the electronic ballast fluorescent lamp, C2=(2-4) P microfarad.

5, illuminating lamp according to claim 1 is with no stroboscopic controller, it is characterized in that the high pressure resistant capacitor C 1 of current limliting and greatly the high pressure resistant electrochemical capacitor C2 of capacity two ends respectively and be connected to big resistance discharge resistance R1 and R2.

6, illuminating lamp according to claim 1 is characterized in that with no stroboscopic controller the electrochemical capacitor C of two twice capacity of capacitor C 1 employing is in series back-to-back by both positive and negative polarity, and they respectively and meet separately discharge resistance R.

7, illuminating lamp according to claim 1 is characterized in that with no stroboscopic controller capacitor C 2 adopts many electrochemical capacitors to be formed in parallel.