CN2722427Y

CN2722427Y - Double-spiral reflecting cold cathode fluorescent lamp

Info

Publication number: CN2722427Y
Application number: CN2004200629481U
Authority: CN
Inventors: 顾强
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-07-22
Filing date: 2004-07-22
Publication date: 2005-08-31
Anticipated expiration: 2014-07-22

Abstract

The utility model relates to a double-spiral reflecting cold cathode fluorescent lamp. The utility model has the structure that a lamp holder interface is connected with a thread of an outer shell or a bayonet, and an electronic ballast line board is arranged in the outer shell. A lamp head and the outer shell are clamped. A lamp socket is arranged on a reflecting board in the lamp head, and a double-spiral reflecting cold cathode fluorescent lamp tube is arranged in the lamp socket. Two leading wires of the double-spiral reflecting cold cathode fluorescent lamp tube are respectively connected with output end on the electronic ballast line board. A reflecting type lamp cup and the lamp socket are connected by glue, and a protective cover and the reflecting type lamp cup are connected by glue. A groove in the outer shell and the lamp socket are connected by a press fastener. The shape of the double-spiral reflecting cold cathode fluorescent lamp tube is double-spiral type. The input ends of electronic ballasts are respectively connected with two connection ends on the interface of the lamp head. The utility model has the advantages of good color display, compact structure, small volume, stable and reliable performance, high optical effect, long service life, low temperature, quick work starting and low self power consumption. The utility model is used for direct current of 12V - 24V, and alternating current of 110V and 220V, has energy saving, and belongs to a green environmental protection product.

Description

The reflective cold-cathode fluorescence lamp of double helix

Technical field

The utility model relates to a kind of supermarket, hotel, restaurant, various public place of entertainment reflective cold-cathode fluorescence lamp of double helix (CCFL) of home decoration in one's power that is widely used in.Belong to technical field of lamps.

Background technology

Prior art is a halogen spot light, in its bulb filament is arranged.Its major defect is that light efficiency is low, can only be yellow, life-span weak point, unstable properties, and oneself power consumption is big, power consumption is high, the temperature height.

Summary of the invention

The purpose of this utility model is the defective at above-mentioned existence, proposes a kind of long reflective cold-cathode fluorescence lamp of double helix of photochromic good, life-span.Technical solution of the present utility model: its structure is that the lamp holder interface joins with outer casing screw or bayonet socket; dress electronic ballast circuit plate in the shell; lamp holder and shell clamping; establish lamp socket on the reflecting plate in the lamp holder; establish the reflective cathode fluorescent tube of double helix in the lamp socket; two lead-out wires of the reflective cathode fluorescent tube of double helix respectively with the electronic ballast circuit plate on output join; glued joint between reflective Lamp cup and lamp socket; glued joint between protective cover and reflective Lamp cup; there is clinching to link between groove in the shell and lamp socket; the shape of the reflective cathode fluorescent tube of double helix is double-screw type, the input of electric ballast respectively with the lamp holder interface on two terminals join.Advantage of the present utility model: the light efficiency height, reach 40～60Lm/w, the life-span is long, can reach 20000 hours, color rendering is good, and compact conformation, volume are little, stable and reliable for performance,, life-span higher 5～6 times than halogen spot light light efficiency, long 10～15 times and temperature were low, work starts soon, oneself power consumption is low, can make to be used for direct current 12～24V, exchanges 110V, 220V, and under the power supply of specific (special) requirements, energy-conservation, belong to Green Product

Description of drawings

Accompanying drawing 1 is a structural representation of the present utility model.

Accompanying drawing 2 is circuit of electronic ballast embodiment electrical schematic diagrams.

Accompanying drawing 3 is structural representations of lamp holder.

Among the figure 1 is lamp holder interface, the 2nd, shell, the 3rd, circuit of electronic ballast wiring board, the 4th, lamp holder, the 5th, reflective Lamp cup, the 6th, protective cover, the 7th, clinching binding, the 8th, epoxide-resin glue, the 9th, epoxide-resin glue, the 10th, lamp socket, the 11st, reflecting plate, the 12nd, the reflective cathode fluorescent tube of double helix.1 ' be rectification circuit, 2 ' be filter circuit, 3 ' be that half-bridge inverter circuit, T1,4 ' they are step-up transformer (model EE16), Q ₁, Q ₂Be transistor (model 13001), D1～D4 is that diode (model 1N4007), D5～D6 are that the shape of diode (model 1N4148), the reflective cathode fluorescent tube 12 of double helix is double-screw type.C1～C9 is that electric capacity, RF, R1～R7 are that resistance, L1, L2 are that inductance, TK are coils.

Embodiment

Contrast accompanying drawing 1; its structure is that lamp holder interface 1 joins with shell 2 screw threads or bayonet socket; dress electronic ballast circuit plate 3 in the shell 2; lamp holder 4 and shell 2 clampings; establish lamp socket 10 on the reflecting plate 11 in the lamp holder 4; establish the reflective cathode fluorescent tube 12 of double helix in the lamp socket 10; two lead-out wires of the reflective cathode fluorescent tube 12 of double helix respectively with electronic ballast circuit plate 3 on output join; 10 splicing of reflective Lamp cup 5 and lamp socket; 5 splicing of protective cover 6 and reflective Lamp cup; groove in the shell 2 and 10 of lamp sockets have clinching to link 7; the shape of the reflective cathode fluorescent tube 12 of double helix is double-screw type, the input of electric ballast respectively with lamp holder interface 1 on two terminals join.

Contrast accompanying drawing 2, circuit of electronic ballast by rectification circuit 1 ', filter circuit 2 ', half-bridge inverter circuit 3 ', step-up transformer 4 ' form, wherein rectification circuit 1 ' output terminals A connect filter circuit 2 ' input, filter circuit 2 ' output C connect half-bridge inverter circuit 3 ' input, half-bridge inverter circuit 3 ' output D, E connect step-up transformer 4 ' input, step-up transformer 4 ' the input of the reflective cathode fluorescent tube 12 of output termination double helix.

Contrast accompanying drawing 3, establish lamp socket 10 on the reflecting plate 11 in the lamp holder 4, establish the reflective cathode fluorescent tube 12 of double helix in the lamp socket 10, two lead-out wires of the reflective cathode fluorescent tube 12 of double helix respectively with circuit of electronic ballast in step-up transformer 4 ' two outputs join

The course of work, power supply by anti-jamming circuit insert rectification circuit 1 ', inductance L 1 and power series in this anti-jamming circuit, capacitor C 1 also connects with power supply, resistance R F is a fuse.Power supply inserts rectification circuit 1 ' enter filter circuit 2 ' filtering by anti-jamming circuit after rectification, input to after the filtering half-bridge inverter circuit 3 ', half-bridge inverter circuit 3 ' output D, E on output high voltage give step-up transformer 4 ' primary coil, step-up transformer 4 ' secondary coil on export 500V～1000V, electric current 5mA～12.5mA, operating voltage 500V～the 1000V of the reflective cathode fluorescent tube 12 of double helix, operating current 5mA～12.5mA.

Claims

1; the reflective cold-cathode fluorescence lamp of double helix; it is characterized in that lamp holder interface (1) and shell (2) screw thread or bayonet socket join; dress electronic ballast circuit plate (3) in the shell (2); lamp holder (4) and shell (2) clamping; establish lamp socket (10) on the reflecting plate (11) in the lamp holder (4); establish double helix CCFL fluorescent tube (12) in the lamp socket (10); two lead-out wires of the reflective cathode fluorescent tube of double helix (12) respectively with electronic ballast circuit plate (3) on output join; glued joint between reflective Lamp cup (5) and lamp socket (10); glued joint between protective cover (6) and reflective Lamp cup (5); there is clinching to link (7) between groove in the shell (2) and lamp socket (10); the shape of the reflective cathode fluorescent tube of double helix (12) is double-screw type, the input of electric ballast respectively with lamp holder interface (1) on two terminals join.

2, the reflective cold-cathode fluorescence lamp of double helix according to claim 1, the circuit that it is characterized in that electric ballast is by rectification circuit (1 '), filter circuit (2 '), half-bridge inverter circuit (3 '), step-up transformer (4 ') is formed, wherein the output (A) of rectification circuit (1 ') connects the input of filter circuit (2 '), the output (C) of filter circuit (2 ') connects the input of half-bridge inverter circuit (3 '), output (the D of half-bridge inverter circuit (3 '), E) connect the input of step-up transformer (4 '), the input of the reflective cathode fluorescent tube of output termination double helix (12) of step-up transformer (4 ').