CN202454536U - Screw-type electrodeless fluorescent lamp - Google Patents

Abstract

The utility model discloses a screw-mounted electrodeless fluorescent lamp, which is characterized in that the fluorescent glass bulb fixed on the glass bulb seat and coated with fluorescent powder is filled with amalgam mixed gas, and the electromagnetic coupler is placed on the cylinder of the fluorescent glass bulb. In the shaped cavity, the magnetic induction coil on it is connected with the high-frequency magnetic energy generator through wires; the glass bulb seat is closely attached to the heat dissipation seat and fixed on the electrical box. The voltage signal output by the high-frequency magnetic energy generator is transmitted to the electromagnetic coupler, which is inductively coupled into the glass envelope by the magnetic induction coil, so that the avalanche ionization of the gas in the glass envelope forms plasma, and spontaneously radiates ultraviolet rays, and the phosphor powder is stimulated by ultraviolet rays. emit visible light. The lamp has good energy saving effect, high luminous efficiency, long service life, instant start, no flicker, environmental protection and pollution-free, fast heat dissipation, suitable for lighting in factories, roads, stadiums, high-rise buildings and other places.

Description

Screw socket electrodeless fluorescent lamp

technical field

The utility model relates to an electric light source lighting lamp, in particular to a screw-mounted electrodeless fluorescent lamp. the

Background technique

At present, there are many kinds of lamps that people use for lighting, such as incandescent lamps and tungsten halogen lamps for heat radiation sources, and high-pressure mercury lamps and high-pressure sodium lamps for gas discharge. Each lamp has its unique advantages and defects. , both using filament or electrodes. Incandescent lamps and halogen tungsten lamps have the advantages of high color rendering, high power factor, and immediate start-up, but have low luminous efficacy and short service life; gas discharge lamps have high luminous efficiency and relatively long service life, but they cannot be started immediately. Non-recyclable mercury agent is not conducive to environmental protection. The stroboscopic flicker produced by the electric light source of the above-mentioned various types of lamps directly affects the visual nervous system of people's eyes, leading to the occurrence of diseases such as myopia, chronic fatigue and migraine, and people are affected to varying degrees when they work. the

Contents of the invention

In order to solve the deficiencies of the prior art, the purpose of this utility model is to provide a screw-mounted electrodeless fluorescent lamp with high luminous efficiency, high color rendering, long life, no flicker frequency, energy saving and environmental protection, immediate start-up, no fear of vibration and less maintenance. the

The technical solution adopted to realize the purpose of this utility model is: the screw-mouth electrodeless fluorescent lamp is mainly composed of a screw mouth, an electrical box, a high-frequency magnetic energy generator, a radiator, an electromagnetic coupler, and a fluorescent glass bulb; the electromagnetic coupler is supported by The heat-conducting metal rod, the magnetic core, the magnetic induction coil and the glass bulb seat are composed; the end of the metal rod is located in the glass bulb seat, and the magnetic core is fixed on the metal rod, and the magnetic induction coil is wound on the magnetic core, and the magnetic induction coil passes through the wire and the high The fluorescent glass bulb is connected to a high-frequency magnetic energy generator; the fluorescent glass bulb seals a discharge cavity whose inner wall is coated with three primary color phosphors in an airtight manner, and the discharge cavity is filled with amalgam low-pressure mixed gas, and is equipped with main amalgam and auxiliary amalgam; The electromagnetic coupler is placed in the cylindrical cavity of the fluorescent glass bulb, the end of the fluorescent glass bulb is fixed on the glass bulb seat; the glass bulb seat is fixed on the electrical box, and the outer edge of the glass bulb under the glass bulb seat is fixed with The heat sink close to the glass bulb and the high-frequency magnetic energy generator are located in the electrical box. The high-frequency magnetic energy generator connected to the 220-volt alternating current outputs a stable voltage signal after being processed by its internal circuit. The avalanche ionization of the gas in the shell forms a plasma, and when the excited atoms of the plasma return to the ground state, they spontaneously radiate ultraviolet light, and the fluorescent powder on the inner wall of the glass shell is excited by the ultraviolet light to emit visible light, thus obtaining a high-frequency electrodeless fluorescent lamp for lighting . the

Compared with the prior art, the utility model has the following advantages:

1. Long service life: Because there is no electrode and filament in the glass bulb, it works in high-frequency electromagnetic coupling mode, and the service life is more than 60,000 hours (100 times that of incandescent lamps and more than 12 times that of metal halide lamps). the

2. High luminous efficiency: the luminous efficiency is 69lm/x, the power factor is ≥0.99, and the brightness of the 100W high-frequency electrodeless magnetic energy lamp is equivalent to that of a 600W incandescent lamp. the

3. High energy saving: High frequency electrodeless magnetic energy lamp can save energy by 80% compared with incandescent lamp, and save energy by 70% compared with high pressure sodium lamp and metal halide lamp. the

4. High reliability: AC and DC, the voltage fluctuates in the range of 110V-265V, the ambient temperature is -30°C to +50°C, it can start and work stably as usual, and it has strong shock resistance. the

5. High color rendering: more than 80% color rendering, a variety of color temperature options, close to sunlight, can be better coordinated with the atmosphere of the lighting environment, suitable for lighting requirements in different occasions. the

6. Instant start: Due to the high-frequency electromagnetic coupling mode, there is no preheating time for ordinary mercury lamps, high and low pressure sodium lamps, metal halide lamps, and fluorescent lamps. It can be lit instantly when starting and restarting. the

7. High environmental protection and no flickering: the high-frequency electrodeless magnetic energy lamp does not use liquid mercury (mercury), which fully meets the environmental protection requirements and the national EMC testing standard, without interference and electromagnetic pollution; the light is stable and flicker-free, bright and glare-free , comfortable and soft light color, good for vision health. the

8. Since the glass bulb is closely attached to the heat sink, the heat generated by the electromagnetic coupler is quickly dissipated through the heat sink, which improves the heat dissipation effect and prolongs the service life of the lamp. the

Description of drawings

Fig. 1 is the structural connection diagram of the screw socket electrodeless fluorescent lamp of the present invention. the

Fig. 2 is a schematic diagram of the working principle of the high-frequency magnetic energy generator for the screw-mounted electrodeless fluorescent lamp of the present invention. the

Detailed ways

In the accompanying drawings, the screw-mounted electrodeless fluorescent lamp of the present utility model is mainly composed of an electrical box, a high-frequency magnetic energy generator in the electrical box, a radiator, an electromagnetic coupler, and a fluorescent glass bulb; The rod 12, the magnetic core 11, the magnetic induction coil 14 and the glass bulb seat 3 are composed; the end of the metal rod 12 is located on the glass bulb seat 3, the magnetic core 11 is fixed on the metal bar 12, and the magnetic induction coil 14 is wound on the magnetic core 11. Its magnetic induction coil 14 is connected with high-frequency magnetic energy generator 24 (not drawn in Fig. 1) by wire; Described fluorescent glass bulb 6 seals a discharge cavity that inner wall is coated with trichromatic fluorescent powder 8 in airtight manner, fills in the discharge cavity There is amalgam low-pressure mixed gas, and main amalgam 13 and auxiliary amalgam 10 are installed; the electromagnetic coupler 5 is placed in the cylindrical cavity 9 of the fluorescent glass bulb 6, and the end of the fluorescent glass bulb 6 is fixed on the glass On the shell seat 3; the glass shell seat 3 is fixed on the electrical box 2, and the outer edge of the glass shell under the glass shell seat 3 is fixed with a radiator 4 which is close to the glass shell; the top of the electric box 2 is connected with a screw port 1, and the screw Port 1 is connected with high-frequency magnetic energy generator 24 circuit, and high-frequency magnetic energy generator 24 is located in electrical box 2. The heat sink 4 and the glass bulb seat 3 are made of aluminum material with good thermal conductivity, the metal rod 12 is made of copper with fast heat conduction, and the magnetic core 11 is made of ferrite 3F5 magnetic material with good insulation performance . As shown in Figure 2, the described high-frequency magnetic energy generator 24 includes an AC input circuit 19, a rectifying and filtering electromagnetic radiation anti-interference circuit 20, a DC active power factor correction circuit 21, a high-frequency signal generating circuit 22, and a high-frequency power amplifier Circuit 23; the two ends of the rectifying and filtering electromagnetic radiation anti-jamming circuit 20 are respectively connected with the AC input circuit 19 and the DC active power factor correction circuit 21, and the two ends of the high-frequency signal generating circuit 22 are respectively connected with the DC active power factor correction circuit 21 is connected with the high-frequency power amplifying circuit 23, and the other end of the high-frequency power amplifying circuit 23 is connected with the electromagnetic coupler 4. The AC input circuit 19 sends the AC voltage signal to the rectifying and filtering electromagnetic radiation anti-interference circuit 20, through which the clutter is filtered out, the interference signal is removed, and the AC voltage is rectified into a DC voltage signal and sent to the DC active power factor correction circuit 21, This circuit corrects and enhances the obtained signal and outputs a stable voltage signal to the high-frequency signal generating circuit 22. The circuit converts the obtained signal into a high-frequency voltage signal and then sends it to the high-frequency power amplifier circuit 23. After the power is amplified, a voltage signal capable of stimulating the light-emitting device to emit light is sent to the electromagnetic coupler 5, and the electromagnetic coupler 5 relies on the magnetic induction coil in it to couple the signal into the glass bulb 6 in an inductive manner, causing the gas in the glass bulb to avalanche Ionization forms plasma, and when the plasma excited atoms return to the ground state, they spontaneously radiate ultraviolet light, and the fluorescent powder on the inner wall of the glass bulb is excited by ultraviolet light to emit visible light. the

Claims (3)

1. a screw socket electrodeless florescent lamp mainly is made up of the high frequency generator of magnetic energy in electric appliance box, the electric appliance box, radiator, electromagnetic coupler, fluorescence glass bulb; It is characterized in that: electromagnetic coupler (5) is made up of passive heat-conducting metal rod (12), magnetic core (11), magnetic induction coil (14) and glass bulb seat (3); The end of metal bar (12) is positioned on the glass bulb seat (3), is fixed with magnetic core (11) on the metal bar (12), is wound with magnetic induction coil (14) on the magnetic core (11), and its magnetic induction coil (14) is connected with high frequency generator of magnetic energy (24) through lead; Described fluorescence glass bulb (6) seals the discharge cavity that an inwall scribbles three primary colors fluorescent powder (8) with air tight manner, is filled with mercurial low pressure mist in the discharge cavity, and main mercurial (13) and auxiliary mercurial (10) are housed; Described electromagnetic coupler (5) places in the cylindrical cavity (9) of fluorescence glass bulb (6), and the end of fluorescence glass bulb (6) is fixed on the glass bulb seat (3); Glass bulb seat (3) is fixed on the electric appliance box (2), and glass bulb seat (3) outer rim of glass bulb down is fixed with the radiator of being close to glass bulb (4); The top of electric appliance box (2) is connected with screw socket (1), and screw socket (1) is connected with high frequency generator of magnetic energy (24) circuit, and high frequency generator of magnetic energy (24) is positioned at electric appliance box (2).

2. screw socket electrodeless florescent lamp as claimed in claim 1 is characterized in that: described radiator (4) and glass bulb seat (3) adopt the good aluminum material of heat conductivility.

3. screw socket electrodeless florescent lamp as claimed in claim 1 is characterized in that: described metal bar (12) adopts the fast copper material of heat conduction, and described magnetic core (11) adopts the ferrite 3F5 magnetic material of good insulation preformance.

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