Efficient and environment-friendly fluorescent lamp tube

Abstract

The utility model relates to the technical field of fluorescent lamps, and discloses an efficient and environment-friendly fluorescent lamp tube which comprises a lamp tube body, mercury steam and argon mixture is filled in the lamp tube body, and a protection assembly is arranged on the inner side of the lamp tube body. The protection assembly comprises a protection layer and a fluorescent powder layer, the protection layer is arranged on the inner wall of the lamp tube body, and the fluorescent powder layer is arranged on the outer side of the protection layer. By arranging the protective layer and the fluorescent powder layer, ultraviolet rays penetrating through the fluorescent powder layer can be reflected back to the fluorescent powder layer, so that fluorescent powder is further excited, the lighting effect is improved, the protective layer can prevent mercury from chemically reacting with metal in glass to form colored amalgam, and the service life of the fluorescent lamp tube is prolonged; the arrangement of the connecting wire and the shielding cover reduces the load of the cathode, and the shielding cover can form backflow with the cathode, thereby effectively controlling the emission of a proper amount of cathode electrons, and prolonging the service life of the fluorescent lamp tube.

Description

Technical Field

[0001] The utility model relates to the technical field of fluorescent lamps, in particular to a high-efficiency and environmentally friendly fluorescent lamp tube. Background Art

[0002] A fluorescent tube is a gas discharge tube that can emit fluorescence. It is mainly composed of a glass tube, an inner wall coated with fluorescent powder and two electrodes. When power is turned on, the electrodes generate an electric field, which excites the gas to discharge, generates ultraviolet rays, and excites the fluorescent powder to emit visible light, thereby producing a fluorescent effect. Fluorescent tubes are widely used in indoor lighting and commercial lighting.

[0003] Some fluorescent tubes currently on the market have poor light intensity and short service life. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a highly efficient and environmentally friendly fluorescent lamp tube. By arranging a protective layer and a phosphor layer, the protective layer can improve the luminous efficiency of the phosphor layer, and the protective layer has good thermal stability and chemical stability, thereby improving the luminous efficiency and life of the fluorescent lamp tube, and solving the above-mentioned technical problems.

[0006] (II) Technical solution

[0007] To achieve the above object, the utility model provides the following technical solutions: an efficient and environmentally friendly fluorescent lamp tube, comprising a lamp tube body, the interior of the lamp tube body is filled with a mixture of mercury vapor and argon, and a protective component is arranged on the inner side of the lamp tube body;

[0008] The protection component comprises a protection layer and a fluorescent powder layer. The protection layer is arranged on the inner wall of the lamp tube body, and the fluorescent powder layer is arranged on the outer side of the protection layer.

[0009] Preferably, lamp stands are fixedly provided on the outer sides of the lamp tube bodies on both sides, lamp pins are provided on the outer sides of the lamp stands, and two upper and lower lamp pins are provided.

[0010] Through the above technical solution, the arrangement of the lamp holder facilitates the assembly of the fluorescent lamp tube.

[0011] Preferably, cathodes are fixedly disposed on the inner sides of the lamp holders on both sides, and two cathodes are disposed, one above the other.

[0012] Through the above technical solution, the setting of the cathode can play a role in releasing electrons.

[0013] Preferably, a filament is arranged between the cathodes on both sides, and a shielding component is arranged inside the filament.

[0014] Through the above technical solution, the setting of the filament can play the role of emitting electrons.

[0015] Preferably, the shielding assembly includes a connecting wire and a shielding cover, a connecting wire is fixedly provided on the outer side of the upper cathode, a shielding cover is fixedly provided on the other end of the connecting wire, the shielding cover is located on the inner side of the filament, and a through hole is opened on the right side of the shielding cover.

[0016] Through the above technical solution, the material of the connecting wire and the shielding cover is nickel.

[0017] Preferably, the material of the protective layer is aluminum oxide.

[0018] Through the above technical solution, the material of the protective layer is aluminum oxide, which can improve the lighting effect of the fluorescent tube.

[0019] Compared with the prior art, the utility model provides a highly efficient and environmentally friendly fluorescent lamp tube, which has the following beneficial effects:

[0020] The utility model provides a protective layer and a phosphor layer so that ultraviolet rays passing through the phosphor layer can be reflected back to the phosphor layer, thereby further exciting the phosphor, thereby improving the light efficiency, and the protective layer can prevent the chemical reaction between mercury and metal in the glass to form colored amalgam, thereby extending the service life of the fluorescent lamp; the provision of the connecting wire and the shielding cover reduces the load on the cathode, and the shielding cover can form a reflux with the cathode, which can effectively control the emission of an appropriate amount of cathode electrons, thereby extending the service life of the fluorescent lamp. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0022] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;

[0023] Figure 3 For this utility model Figure 2 A is an enlarged structural diagram;

[0024] Figure 4 For this utility model Figure 2 Enlarged structural diagram at point B.

[0025] Among them: 1. Lamp tube body; 2. Lamp holder; 3. Lamp foot; 4. Cathode; 5. Filament; 6. Connecting wire; 7. Shielding cover; 8. Through hole; 9. Protective layer; 10. Phosphor layer; 11. Mercury vapor and argon gas mixture; 12. Protective component; 13. Shielding component. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] Embodiment 1:

[0028] like Figure 1-3 As shown, the utility model provides a highly efficient and environmentally friendly fluorescent lamp, comprising a lamp body 1, the interior of the lamp body 1 is filled with a mercury vapor and argon gas mixture 11, and a protective component 12 is arranged inside the lamp body 1;

[0029] The protection component 12 includes a protection layer 9 and a phosphor layer 10 . The protection layer 9 is arranged on the inner wall of the lamp body 1 , and the phosphor layer 10 is arranged on the outer side of the protection layer 9 .

[0030] Specifically, a lamp holder 2 is fixedly arranged on the outer side of the lamp body 1 on both sides, and a lamp foot 3 is arranged on the outer side of the lamp holder 2, and two lamp feet 3 are arranged in an upper and lower manner. The advantage is that the arrangement of the lamp foot 3 facilitates the connection of the fluorescent lamp tube with an external power source.

[0031] Specifically, cathodes 4 are fixedly arranged on the inner sides of the lamp holders 2 on both sides, and two cathodes 4 are arranged, one above the other. The advantage is that the arrangement of the cathodes 4 can play a role in releasing electrons.

[0032] Specifically, a filament 5 is disposed between the cathodes 4 on both sides, and a shielding assembly 13 is disposed inside the filament 5. The advantage is that the filament 5 can play a role in emitting electrons.

[0033] Embodiment 2:

[0034] like Figure 2 , Figure 4 As shown, as an improvement on the previous embodiment. Specifically, the shielding assembly 13 includes a connecting wire 6 and a shielding cover 7. The connecting wire 6 is fixedly provided on the outer side of the upper cathode 4, and the shielding cover 7 is fixedly provided on the other end of the connecting wire 6. The shielding cover 7 is located on the inner side of the filament 5, and a through hole 8 is provided on the right side of the shielding cover 7. The advantage is that the setting of the connecting wire 6 facilitates the installation of the shielding cover 7, and the opening of the through hole 8 on the shielding cover 7 facilitates the electrons to pass through the middle of the shielding cover 7, wherein a part of the electrons are received by the cathode 4 at the other end, and the other part is received by the shielding cover 7, thereby reducing the load of the cathode 4, and the shielding cover 7 can form a reflux with the cathode 4, which can effectively control the emission of an appropriate amount of electrons from the cathode 4, thereby extending the service life of the fluorescent tube.

[0035] Specifically, the material of the protective layer 9 is aluminum oxide. The advantage is that when some ultraviolet rays pass through the phosphor layer 10, the protective layer 9 will reflect the ultraviolet rays that pass through, so that the phosphor can continue to be excited, thereby improving the luminous efficiency of the phosphor, so that the light effect of the fluorescent tube can be further improved, and the protective layer 9 has good thermal stability and chemical stability, which can well prevent mercury and metal in the glass from forming colored amalgam, thereby extending the service life of the fluorescent tube.

[0036] When in use, the operator installs the fluorescent tube at a designated position and turns on the power for lighting. During the lighting process, electrons at one end can pass through the through hole 8 on the shielding cover 7, and a part of them are received by the cathode 4 at the other end, and the other part is received by the shielding cover 7, thereby reducing the load of the cathode 4, and the shielding cover 7 can form a reflux with the cathode 4, which can effectively control the emission of an appropriate amount of electrons from the cathode 4, thereby extending the service life of the fluorescent tube; when some ultraviolet rays pass through the fluorescent powder layer 10, the protective layer 9 will reflect the ultraviolet rays that pass through, thereby continuing to excite the fluorescent powder, thereby improving the luminous efficiency of the fluorescent powder, so that the light efficiency of the fluorescent tube can be further improved, and the protective layer 9 has good thermal stability and chemical stability, which can well prevent mercury and metals in the glass from forming colored amalgam, thereby reducing the consumption of mercury and extending the service life of the fluorescent tube.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A highly efficient and environmentally friendly fluorescent lamp, comprising a lamp body (1), characterized in that: The interior of the lamp tube body (1) is filled with a mixture of mercury vapor and argon gas (11), and a protective component (12) is arranged on the inner side of the lamp tube body (1); The protective component (12) comprises a protective layer (9) and a phosphor layer (10); the protective layer (9) is arranged on the inner wall of the lamp tube body (1); the phosphor layer (10) is arranged on the outer side of the protective layer (9); a lamp holder (2) is fixedly arranged on the outer side of the lamp tube body (1); cathodes (4) are fixedly arranged on the inner sides of the lamp holders (2) on both sides; a filament (5) is arranged between the cathodes (4) on both sides; and a shielding component (13) is arranged on the inner side of the filament (5); The shielding assembly (13) comprises a connecting wire (6) and a shielding cover (7); the connecting wire (6) is fixedly arranged on the outer side of the upper cathode (4); the shielding cover (7) is fixedly arranged on the other end of the connecting wire (6); the shielding cover (7) is located on the inner side of the filament (5); and a through hole (8) is opened on the right side of the shielding cover (7).

2. The high-efficiency and environmentally friendly fluorescent lamp according to claim 1, characterized in that: Lamp feet (3) are arranged on the outer sides of the lamp frames (2) on both sides, and the lamp feet (3) are provided with two upper and lower ones.

3. The high-efficiency and environmentally friendly fluorescent lamp according to claim 1, characterized in that: The cathode (4) is provided with two upper and lower cathodes.

4. The high-efficiency and environmentally friendly fluorescent lamp according to claim 1, characterized in that: The material of the protective layer (9) is aluminum oxide.

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