CN201160067Y - High Frequency Electrodeless Fluorescent Lamp - Google Patents

Abstract

The utility model discloses a high-frequency electrodeless fluorescent lamp, which is characterized in that the fluorescent glass bulb fixed on the glass bulb seat and coated with fluorescent powder on the inner wall is filled with amalgam mixed gas, and the electromagnetic coupler is placed on the cylinder of the fluorescent glass bulb. In the concave 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 cooling plate and fixed on the electrical box by bolts, and the outer edge of the glass bulb seat is fixed with a reflective lampshade. The voltage signal output by the high-frequency magnetic energy generator is transmitted to the electromagnetic coupler, which is inductively coupled into the glass bulb by the magnetic induction coil, so that the avalanche ionization of the gas in the glass bulb forms plasma, and spontaneously radiates ultraviolet light. Excited by light to emit visible light. The light has good energy-saving effect, high luminous efficiency, long service life, instant start, no flicker, environmental protection and no pollution, fast heat dissipation, and is suitable for lighting in factories, roads, stadiums, high-rise buildings and other places.

Description

High Frequency Electrodeless Fluorescent Lamp

1. Technical field

The utility model relates to an electric light source lighting lamp, in particular to a high-frequency electrodeless fluorescent lamp.

2. Background technology

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.

3. Contents of the invention

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

The technical solution adopted to realize the purpose of this utility model is: the high-frequency electrodeless fluorescent lamp is mainly composed of an electrical box, a high-frequency magnetic energy generator, a heat sink, an electromagnetic coupler, a fluorescent glass bulb, and a lampshade; It consists of a heat-conducting metal rod, a magnetic core, a magnetic induction coil and a glass bulb seat; the end of the metal rod is located in the glass bulb seat, a magnetic core is fixed on the metal rod, and a magnetic induction coil is wound on the magnetic core. The magnetic energy generator is connected; the fluorescent glass bulb airtightly seals a discharge cavity whose inner wall is coated with three primary color phosphors, the discharge cavity is filled with amalgam low-pressure mixed gas, and is equipped with main amalgam and auxiliary amalgam; The electromagnetic coupler described above is placed in the cylindrical concave cavity of the fluorescent glass bulb, and the end of the fluorescent glass bulb is fixed on the glass bulb seat; A reflective lampshade is fixed on the outer edge, and the shell of the high-frequency magnetic energy generator is connected with the electrical box by the connecting plate. The high-frequency magnetic energy generator connected to 220 volts alternating current outputs a stable voltage signal after being processed by its internal circuit. The avalanche ionization of gas in the shell forms 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 ultraviolet light to emit visible light, thus obtaining a high-frequency electrodeless for lighting fluorescent light.

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).

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.

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.

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, no maintenance is required, and it has strong shock resistance.

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.

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.

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

8. Due to the close contact between the glass bulb seat and the heat sink, the heat generated by the electromagnetic coupler is quickly transferred to the heat dissipation plate in contact with the air through the metal rod, which improves the heat dissipation effect and prolongs the service life of the electrodeless lamp.

4. Description of drawings

Fig. 1 is a structural connection diagram of the high-frequency electrodeless fluorescent lamp of the present invention.

Fig. 2 is a top view of the heat sink of the high-frequency electrodeless fluorescent lamp of the present invention.

Fig. 3 is a working principle diagram of the high-frequency magnetic energy generator for the high-frequency electrodeless fluorescent lamp of the present invention.

5. Specific implementation

In the accompanying drawings, the high-frequency 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 cooling plate, an electromagnetic coupler, a fluorescent glass bulb, and a lampshade; The heat-conducting metal rod 12, the magnetic core 11, the magnetic induction coil 5 and the glass bulb seat 3 are composed; the end of the metal rod 12 is located in the glass bulb seat 3, and the magnetic core 11 is fixed on the metal bar 12, and the magnetic induction coil is wound on the magnetic core 11 5. The magnetic induction coil 5 is connected to the high-frequency magnetic energy generator 24 through wires; the fluorescent glass bulb 6 seals a discharge cavity with an inner wall coated with three primary color phosphors 8 in an airtight manner, and the discharge cavity is filled with amalgam low-pressure mixed gas, and is equipped with main amalgam 13 and auxiliary amalgam 10; the electromagnetic coupler 4 is placed in the cylindrical concave cavity 9 of the fluorescent glass bulb 6, and the end of the fluorescent glass bulb 6 is fixed on the glass bulb seat 3 The glass bulb seat 3 is closely attached to the radiator plate 2 and fixed on the electrical box 1 by bolts, the outer edge of the glass bulb seat 3 is fixed with a reflector lampshade 7, and the housing of the high-frequency magnetic energy generator 24 is attached to the connecting plate and the electrical box 1 connect. As shown in Fig. 2 , mounting holes 14 and threading holes 15 are distributed on the surface of the cooling disc 2, four large fins 17 and a plurality of small fins 18 are distributed around the cooling disc 2, and the large fins 17 Fixing hole 16 is arranged on. The heat sink 2 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 . When the high-frequency electrodeless magnetic energy lamp is working, the high-frequency magnetic energy generator excites the electromagnetic coupler in the glass bulb to generate a magnetic field, which will generate a lot of heat. If the heat is not dissipated in time, the temperature inside the glass bulb will be too high , to reduce the magnetic flux of the magnet in the glass envelope, and then reduce the ultraviolet light excitation amount of the amalgam in the glass envelope and reduce the fluorescence amount, and the actual working power of the lamp is reduced as a result. Since the electrodeless fluorescent lamps are all magnetic energy lamps with large wattages, a large amount of heat will be generated during operation. By adding a cooling plate 2 between the glass bulb seat 3 and the electrical box 1, the heat generated by the electromagnetic coupler can be passed through. The metal rod is quickly transferred to the heat dissipation plate 2 which is in contact with the air in a large area to dissipate heat quickly, which improves the heat dissipation effect and prolongs the service life of the electrodeless lamp. As shown in Fig. 3, described high-frequency magnetic energy generator 24 comprises AC input circuit 19, rectifying and filtering electromagnetic radiation anti-jamming circuit 20, DC active power factor correction circuit 21, high-frequency signal generating circuit 22, 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. After the circuit converts the obtained signal into a high-frequency voltage signal, it is sent 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 4, and the electromagnetic coupler 4 inductively couples the signal into the glass bulb 6 by means of the magnetic induction coil inside it, so that the gas in the glass bulb avalanches Ionization forms plasma, and when the excited atoms in the plasma 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.

Claims (4)

1, a kind of high-frequency electrodeless fluorescent lamp mainly is made up of electric appliance box, high frequency generator of magnetic energy, heat dissipation plate, electromagnetic coupler, fluorescence glass bulb, lampshade; It is characterized in that: described electromagnetic coupler (4) is made of passive heat-conducting metal rod (12), magnetic core (11), magnetic induction coil (5) and glass bulb seat (3); The end of metal bar (12) is positioned at glass bulb seat (3), is fixed with magnetic core (11) on the metal bar (12), is wound with magnetic induction coil (5) on the magnetic core (11), and its magnetic induction coil (5) is connected with high frequency generator of magnetic energy (24) by lead; Described electromagnetic coupler (4) places in the reentrant 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 pasting heat dissipation plate (2) and is being fixed on the electric appliance box (1), and the outer rim of glass bulb seat (3) is fixed with lampshade (7), and the housing and the electric appliance box (1) of dress high frequency generator of magnetic energy (24) join.

2, high-frequency electrodeless fluorescent lamp as claimed in claim 1 is characterized in that: 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.

3, high-frequency electrodeless fluorescent lamp as claimed in claim 1, it is characterized in that: be distributed with installing hole (14) and the hole of getting lines crossed (15) on the card of described heat dissipation plate (2), the circumferential distribution of heat dissipation plate (2) has four big fins (17) and a plurality of little fin (18), on the big fin (17) fixing hole (16) is arranged.

4, high-frequency electrodeless fluorescent lamp as claimed in claim 1, it is characterized in that: described heat dissipation plate (2) and glass bulb seat (3) adopt the aluminum material of good heat conductivity, metal bar (12) adopts the fast copper material of heat conduction, and magnetic core (11) adopts the ferrite 3F5 magnetic material of good insulation preformance.

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