CN201246704Y

CN201246704Y - T5 florescent lamp conversion support

Info

Publication number: CN201246704Y
Application number: CNU2008200413095U
Authority: CN
Inventors: 卢泰斗
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-08-06
Filing date: 2008-08-06
Publication date: 2009-05-27
Anticipated expiration: 2018-08-06

Abstract

The utility model discloses a T5 fluorescent lamp conversion frame, wherein a circuit board is arranged in the chamber of the frame; two converter are respectively provided with a plug corresponding to a T8 lamp frame and a socket corresponding to a T5 lamp; the plug and the socket are connected with the circuit board via wires; the circuit board is provided with a T8 to T5 lamp parameter conversion and start circuit, which comprises a first diode having two ends parallel connected with two poles of the filament at one end of a T5 lamp, a second diode having two ends parallel connected with two poles of the filament at another end of the T5 lamp, and a resonant capacitor having two ends serially connected between two cathodes of the first diode and the second diode. The anode of the first diode is serially connected with the first resonant capacitor and is connected with two pins of the plug on one converter via a selective switch, and the anode of the second diode is connected with two pins of the plug on another converter. The T5 fluorescent lamp conversion frame can directly exchange T8 fluorescent lamp, without modifying prior lamp circuit, having low cost.

Description

The T5 florescent lamp conversion support

Technical field

The utility model relates to a kind of power saving fluorescent lamp, relates in particular to the conversion support that a kind of electronic type T8 fluorescent lamp converts the T5 fluorescent lamp to.

Background technology

The appearance of T5 fluorescent lamp,, low energy consumption light, attractive in appearance with it, high illumination efficiency have been captured the market of fluorescent lamp rapidly.In the transformation of original straight tube fluorescent lamp, T8 in the market changes T5 (T85) and can only directly replace the T8 electric inductance type fluorescent lamp, the replacement of carrying out the T8 electronic type must be opened the light cover of original T8 light fixture, portion carries out rewiring within it, changing the outfit like this is loaded down with trivial details unavoidably, also can make troubles to construction.

Summary of the invention

In order to remedy above deficiency, the utility model provides a kind of T5 florescent lamp conversion support, and this T5 florescent lamp conversion support can directly be replaced the T8 fluorescent lamp, does not need original lamp circuit is carried out reconfiguration, it is convenient to change the T5 T8 electric inductance type fluorescent lamp that changes the outfit as T8, and with low cost.

The technical solution of the utility model is such realization: a kind of T5 florescent lamp conversion support, by the support cavity, being located at two conversion equipments of these support cavity both sides respectively forms, be provided with wiring board in this support cavity, this conversion equipment is provided with the plug of corresponding T8 tube stand and the socket of corresponding T5 fluorescent tube, this plug and socket is connected with wiring board by electric wire respectively, this wiring board has T8 changes T5 fluorescent tube parameter transformation and start-up circuit, this circuit comprises that two ends are parallel to first diode at T5 fluorescent tube one end filament the two poles of the earth, two ends are parallel to second diode at these T5 fluorescent tube other end filament the two poles of the earth, two ends are serially connected with the resonant capacitance between this first diode and second diode, two negative poles, after this first diode cathode is connected in series first resonant inductance, and be connected with two pins in the plug on one of them conversion equipment respectively through selector switch, this second diode cathode is connected with two pins in the plug on another conversion equipment simultaneously.

As further improvement of the utility model, these resonant capacitance two ends thermistor that is used for pipeline start up by preheating also in parallel.

As further improvement of the utility model, this circuit also comprises second resonant inductance that induction reactance is identical with this first resonant inductance, this second resonant inductance, one end connects this second diode cathode, and the other end is connected with two pins in the plug on the corresponding conversion device simultaneously.

As further improvement of the utility model, this selector switch is a hilted broadsword round trip type switch of being located at this outside, support cavity end.

As further improvement of the utility model, this conversion equipment has the circular cover of locking-type plug, this circular cover can be fixed in circular cavity on this conversion equipment embeddedly along socket direction on the T8 tube stand, this selector switch is a pin in the plug on one of them conversion equipment, and this pin is connected with this first resonant inductance by lead-in wire.

The beneficial effects of the utility model are: having T8 in this conversion support changes T5 fluorescent tube parameter transformation and start-up circuit, this circuit is connected with two pins in the plug on one of them conversion equipment respectively by selector switch on the one hand, be connected simultaneously on the other hand with two pins in the plug on another conversion equipment, resonant inductance comprises original T8 fluorescent tube resonant inductance and existing first resonant inductance in the resonant tank of connection back formation driving T5 fluorescent tube like this, therefore utilize original T8 electric ballast to supply with the unit for electrical property parameters of T8 fluorescent tube, the relevant parameter of original supply T8 fluorescent tube is adjusted into the relevant parameter of T5 fluorescent tube, directly drive the T5 fluorescent tube then, realize the purpose of conversion.

This thermistor PTC is used for pipeline start up by preheating, can shorten the time of fluorescent tube from glow discharge to the arc discharge, reduces " cathodic sputtering ", and the protection filament is avoided impacting with high pressure, effectively the life-span of prolonging lamp tube.

This selector switch has two kinds of implementations: the one, and the direct hilted broadsword round trip type switch that is provided with in this outside, support cavity end, the 2nd, this conversion equipment has the circular cover of locking-type plug, this circular cover can be fixed in circular cavity on this conversion equipment embeddedly along socket direction on the T8 tube stand, this selector switch is a pin in the plug on one of them conversion equipment, this pin is connected with this first resonant inductance by lead-in wire, this circular cover is fixed in this circular cavity positive and negative changing direction like this, and a pin that has lead-in wire on this circular cover necessarily is connected with ballast output end on the T8 fluorescent tube.Meanwhile this circuit also is connected with two pins in the plug on another conversion equipment simultaneously, has formed the resonant drive loop of driving T5 fluorescent tube.

Description of drawings

Fig. 1 is an operation principle block diagram of the present utility model;

Fig. 2 is that T8 changes T5 fluorescent tube parameter transformation and start-up circuit figure in the utility model;

Fig. 3 is a scheme of installation of the present utility model;

Fig. 4 is the assembling schematic diagram of described conversion equipment;

Fig. 5 is the structural representation of described conversion equipment.

The specific embodiment

As seen from Figure 1, the T8 electronic ballast supplied the T8 fluorescent tube originally, and existing T8, the parameter transformation of T5 fluorescent tube and the T5 fluorescent tube start-up circuit of passing through earlier drives the T5 fluorescent tube then and light a lamp, and makes T5 fluorescent tube operate as normal.In fact, this part becomes the brand-new lamp body that electronic type T8 changes the T5 fluorescent lamp.

Among Fig. 2, the frame of broken lines on the left side partly is the T8 electric ballast output network of simplifying, and the output that wherein is used for original T8 fluorescent tube has inductance L and capacitor C; The frame of broken lines on the right is partly changeed the circuit diagram of T5 fluorescent lamp for electronic type T8, this circuit comprises that two ends are parallel to the first diode D1 at T5 fluorescent tube T5 one end filament the two poles of the earth, two ends are parallel to the second diode D2 at this T5 fluorescent tube T5 other end filament the two poles of the earth, two ends are serially connected with the resonant capacitance C1 between this first diode D1 and the second diode D2, two negative poles, behind the anodal serial connection of this first diode D1 first resonant inductance L1, and be connected with two pins in the plug on one of them conversion equipment respectively through selector switch K, this circuit also comprises the second resonant inductance L2 that induction reactance is identical with this first resonant inductance L1, this second resonant inductance L2 one end connects this second diode cathode D2, and the other end is connected with two pins in the plug on the corresponding conversion device simultaneously, and this resonant capacitance C1 two ends can also thermistor PTC who is used for pipeline start up by preheating of parallel connection.

The startup of T5 fluorescent tube is to be realized by the inductance L of original T8 fluorescent tube, the first resonant inductance L1, the second resonant inductance L2, the first diode D1, the second diode D2 and resonance capacitor C 1.Start the pipe drops of back T5 fluorescent tube, the voltage of this first resonant inductance L1 and the second resonant inductance L2 end directly is added in the two ends of T5 fluorescent tube, provides suitable Guan Liuguan to press.Thermistor PTC is used for pipeline start up by preheating, can shorten the time of fluorescent tube from glow discharge to the arc discharge on the one hand, reduces " cathodic sputtering ", and the protection filament is avoided impacting with high pressure, effectively the life-span of prolonging lamp tube.

This selector switch K is absolutely necessary, and K switch can be located at the correct position on the support cavity 1, as the outside, end (as shown in Figure 3).Certainly this selector switch K also can be the circular cover 1 (as Fig. 4 and Fig. 5) of fixing this plug on the conversion equipment 2, pin 111 in this plug is connected with this first resonant inductance L1 by lead-in wire 16, this circular cover 21 can be fixed in circular cavity 22 on this conversion equipment 2 embeddedly along socket direction on the T8 tube stand

This circular cover can be fixed in this circular cavity positive and negative changing direction like this, and a pin 111 that has lead-in wire on this circular cover necessarily is connected with ballast inductor L output on the T8 fluorescent tube.Meanwhile this circuit also is connected with two pins in the plug on another conversion equipment simultaneously, has formed and has driven the resonant drive loop of T5 fluorescent tube, so can play the effect of selector switch equally.

In this circuit the resonant inductance of a resonant inductance with two less impedances replaced, single like this resonant inductance can be done very for a short time, the wiring board of being convenient to be provided with this circuit is installed in this support cavity, this first resonant inductance (comprising second resonant inductance) and resonance capacitance parameter are determined in conjunction with original T8 electric ballast unit for electrical property parameters.

Therefore the utility model has solved T8 changes the limitation that T5 (T85) can only directly replace original T8 electric inductance type fluorescent lamp, apply to the reducing energy consumption of T8 electric type fluorescent lamp, the light cover that does not need to open original T8 light fixture carries out rewiring, therefore easy for installation, cost reduces, it is time saving and energy saving to operate, and is convenient to popularizing of energy-conservation popularization.

Claims

1, a kind of T5 florescent lamp conversion support, by support cavity (1), being located at two conversion equipments (2) of these support cavity both sides respectively forms, be provided with wiring board in this support cavity (1), this conversion equipment (2) is provided with the plug of corresponding T8 tube stand (9) and the socket of corresponding T5 fluorescent tube (T5), this plug and socket is connected with wiring board by electric wire respectively, it is characterized in that, this wiring board has T8 changes T5 fluorescent tube parameter transformation and start-up circuit, this circuit comprises that two ends are parallel to first diode (D1) at T5 fluorescent tube (T5) end filament the two poles of the earth, two ends are parallel to second diode (D2) at these T5 fluorescent tube (T5) other end filament the two poles of the earth, two ends are serially connected with the resonant capacitance (C1) between this first diode (D1) and second diode (D2), two negative poles, behind this first diode (D1) anodal serial connection first resonant inductance (L1), and be connected with two pins in the plug on one of them conversion equipment respectively through selector switch (K), this second diode (D2) is anodal to be connected with two pins in the plug on another conversion equipment simultaneously.

2, a kind of T5 florescent lamp conversion support as claimed in claim 1 is characterized in that, this resonant capacitance (C1) two ends thermistor (PTC) that is used for pipeline start up by preheating also in parallel.

3, a kind of T5 florescent lamp conversion support as claimed in claim 1, it is characterized in that, this circuit also comprises second resonant inductance (L2) that induction reactance is identical with this first resonant inductance (L1), this second resonant inductance (L2) end connects this second diode cathode (D2), and the other end is connected with two pins in the plug on the corresponding conversion device simultaneously.

4, a kind of T5 florescent lamp conversion support as claimed in claim 1 is characterized in that, this selector switch (K) is for being located at the hilted broadsword round trip type switch (11) in this outside, support cavity (1) end.

5, a kind of T5 florescent lamp conversion support as claimed in claim 1, it is characterized in that, this conversion equipment (2) has the circular cover (21) of locking-type plug, this circular cover (21) can be fixed in circular cavity (22) on this conversion equipment embeddedly along socket direction on the T8 tube stand, this selector switch (K) is that one of them conversion equipment (2) is gone up the pin (111) in the plug, and this pin (111) is connected with this first resonant inductance (L1) by lead-in wire (16).