CN202216009U

CN202216009U - LED fluorescent lamp with reflection plates on external power supply

Info

Publication number: CN202216009U
Application number: CN2011203018899U
Authority: CN
Inventors: 文良志
Original assignee: VOLUN ELECTRONICS CO Ltd
Current assignee: VOLUN ELECTRONICS CO Ltd
Priority date: 2011-08-18
Filing date: 2011-08-18
Publication date: 2012-05-09
Anticipated expiration: 2021-08-18

Abstract

The utility model provides an LED fluorescent lamp with reflection plates on an external power supply, which is composed of two parts, namely the external power supply and a fluorescent tube, wherein, the external power supply comprises a switch power supply and a constant-current module which is electrically connected with the switch power supply. The fluorescent tube comprises lamp heads at two ends and a central tube body. The tube body is obtained through mutual jointing between a heat radiation aluminum substrate and a light diffusion cover. An LED circuit board is adhibited on the heat radiation aluminum substrate and is electrically connected with the constant-current module. LED chips are arranged on the LED circuit board. The tube body is also provided with two reflection plates internally. The reflection plates are provided at two sides of the LED circuit board and are adhibited on the heat radiation aluminum substrate. Furthermore the reflection plates are placed obliquely for a certain angle. Furthermore, heat radiation double-surface silica gel is filled between the reflection plates and the heat radiation aluminum substrate. The LED fluorescent lamp has the following advantages: high illumination effect, large light outlet angle, high use safety, long service life and wide application prospect.

Description

External power supply adds the LED fluorescent lamp of reflector

Technical field

The utility model relates to a kind of LED fluorescent lamp of external power supply, and especially a kind of LED fluorescent lamp that has increased reflector through increasing diffusion of light, makes whole lamp improve brightness 20 percent, belongs to the LED lighting technical field.

Background technology

LED is a kind of emerging illuminating material, because it has the advantage of low energy consumption, life-span length, asepsis environment-protecting, is widely used at lighting field at present, has much the trend that replaces conventional light source.

At present on the market LED fluorescent lamp generally adopts the mode of on-chip power, and power circuit partly is installed in the inside of LED fluorescent tube, is used for alternating current is converted into direct current supply.But the LED fluorescent lamp of built-in power exists following weak point at present: one, owing to this meeting distribute heat when working of power supply, be unfavorable for the heat dissipation design of LED fluorescent tube, influence the performance of light source; Two, because the aluminum tube surfaces reflecting effect is undesirable, illumination is low; In case three power circuits break down, need whole fluorescent tube be taken off, dismantle place under repair and replacing, waste time and energy; Four, because on-chip power, need occupy bigger fluorescent tube inner space, so the lighting angle of LED lamp pearl receives influence, cause the fluorescent tube edge shadow to occur.

The utility model content

The utility model promptly is to the above-mentioned weak point of common on-chip power formula fluorescent tube in the market, provides a kind of power supply LED fluorescent tube external, low-voltage, use high reflecting material.

Specifically, the described external power supply of the utility model adds the LED fluorescent lamp of reflector, is made up of external power supply and fluorescent tube two parts, it is characterized in that:

1, external power supply comprises Switching Power Supply and the constant flow module that is electrically connected with Switching Power Supply;

2, fluorescent tube comprises the lamp holder at two ends and the fluorescent tube body at middle part, and mutual clamping surrounds the fluorescent tube body with the expansion light shield by the heat-radiating aluminum plate, and the led circuit plate is attached on the heat-radiating aluminum plate and with constant flow module and is electrically connected, and led chip is arranged on the said led circuit plate;

3, also be provided with two reflectors in fluorescent tube body inside, reflector is arranged on the both sides of led circuit plate, is attached on the heat-radiating aluminum plate, tilts to place at an angle.

Further, be filled with the two-sided silica gel of heat radiation between described reflector and the heat-radiating aluminum plate.

Further, the material of described reflector is a metallic aluminium, and the surface attaches reflectorized material, through diffusion, is reflected in the brightness of raising 20 percent on original basis.

Further, described Switching Power Supply comprises direct current or alternating-current switch power supply.

Described Switching Power Supply takes to be lower than the power supply power supply of 36V.

Described heat-radiating aluminum plate comprises arc heat-radiating aluminum plate or ribs of the fan shape heat-radiating aluminum plate.

Said led chip comprises RGB monochromatic LED chip or all-colour LED chip.

The reference color temperature of said external power supply LED fluorescent lamp is 2700-7500K.

The lighting angle of said external power supply LED fluorescent lamp is 240 °.

Described expansion light shield comprises Transparent lamp shade, striped lampshade, diffusion cloudy surface lampshade or frosted lampshade.

Described expansion light shield is processed by Merlon or polymethyl methacrylate.

The size of said fluorescent tube comprises T5, T6, T8, T10 or T12 fluorescent tube.

The described external power supply LED of the utility model fluorescent lamp has following advantage:

1. high, the long service life of luminous efficiency: the luminous efficiency of fluorescent lamp approximately is 55-80lm/W, and the luminous efficiency of LED has so just been practiced thrift the energy greatly more than 100lm/W;

To reflection of light, diffusion makes the illumination of whole fluorescent tube through reflectorized material 2.LED fluorescent tube is inner, and is by improving 20 percent on the original basis, more energy-conservation than the LED fluorescent tube on the electricity face of present city;

3. reference color temperature is wide, colour rendering index is high: almost any colour temperature can be provided, but also RGB can be provided so that the light of any color, conventional fluorescent lamps is 65-80, the LED fluorescent lamp then can＞80, and do not have ultraviolet radiation;

4. the LED fluorescent lamp of external insulating power supply does not all reach the civil power high pressure in lamp tube ends, only is lower than the direct current safe voltage of 36V, does not have the danger of electric shock, is a kind of safe light fixture fully;

5. because power supply is external, effectively solved the heat dissipation problem of LED fluorescent tube, prolonged the service life of LED fluorescent tube, and power supply has been external, increased the area that expands light shield, made effective lighting angle increase, the shadow of fluorescent tube edge disappears basically;

6. the heat-radiating aluminum plate comprises arc heat-radiating aluminum plate or ribs of the fan shape heat-radiating aluminum plate, and wherein ribs of the fan shape heat-radiating aluminum plate has better radiating effect, and fluorescent tube further prolongs service life;

7. be widely used: the application of the external LED fluorescent lamp of described power supply comprises places such as government bodies, office, market, school, underground parking garage, subway or room illumination.

Description of drawings

Fig. 1 is the overall structure sketch map of the utility model embodiment;

Fig. 2 is the cross sectional representation of the utility model embodiment;

Wherein, 1 is that lamp holder, 2 is the heat-radiating aluminum plate for expanding light shield, 7 for led chip, 6 for led circuit plate, 5 for reflector, 4 for the two-sided silica gel of heat radiation, 3.

The specific embodiment

Below in conjunction with accompanying drawing the described external power supply LED of the utility model fluorescent lamp is carried out detailed explanation; Purpose is better to understand the described technology contents of the utility model for the public; Rather than to the restriction of said technology contents; In fact, increase and decrease, replacement and the improvement in not violating the invention spirit of the utility model, done are all within the utility model technical scheme required for protection.

Shown in Fig. 1-2, the described external power supply of the utility model adds the LED fluorescent lamp of reflector, is made up of external power supply and fluorescent lamp two parts; Wherein, external power supply comprises Switching Power Supply and the constant flow module that is electrically connected with Switching Power Supply, and external power supply is arranged on the outside of fluorescent tube; Fluorescent tube comprises the lamp holder 1 at two ends and the fluorescent tube body at middle part, and 6 mutual clampings surround the fluorescent tube body with the expansion light shield by heat-radiating aluminum plate 7, and led circuit plate 4 is attached on the heat-radiating aluminum plate 7 and with constant flow module and is electrically connected; Led chip 5 is arranged on the said led circuit plate 4; Also be provided with two reflectors 3 in fluorescent tube body inside, reflector 3 is arranged on the both sides of led circuit plate 4, is attached on the heat-radiating aluminum plate 7; Tilt to place at an angle, between described reflector 3 and heat-radiating aluminum plate 7, be filled with the two-sided silica gel 2 of heat radiation.

The material of described reflector is a metallic aluminium; The surface attaches reflectorized material; Through diffusion; Be reflected in the brightness of raising 20 percent on original basis, described Switching Power Supply comprises direct current or alternating-current switch power supply, and described expansion light shield comprises Transparent lamp shade, striped lampshade, diffusion cloudy surface lampshade or frosted lampshade.

The described external power supply of the utility model adds the LED fluorescent lamp of reflector, by external power supply constant-current driving, super brightness; The LED fluorescent lamp of 8W is equivalent to the common fluorescent lamp illumination of 20W; The LED fluorescent lamp of 15W is equivalent to the common fluorescent lamp illumination of 40W, and equal illumination efficient economizes on electricity 80% than traditional fluorescent lamp, and does not have ultraviolet ray, infrared light radiation; Do not have heat yet, do not contain harmful substances such as mercury; Be 10 times of traditional fluorescent lamp life-span the service life with overlength, expands light shield and adopt PC or PMMA material, is difficult for brokenly, energy-conservation, non-maintaining, has broad application prospects.

Claims

1. an external power supply adds the LED fluorescent lamp of reflector, is made up of external power supply and fluorescent tube two parts, it is characterized in that:

1) external power supply comprises Switching Power Supply and the constant flow module that is electrically connected with Switching Power Supply;

2) fluorescent tube comprises the lamp holder at two ends and the fluorescent tube body at middle part, and mutual clamping surrounds the fluorescent tube body with the expansion light shield by the heat-radiating aluminum plate, and the led circuit plate is attached on the heat-radiating aluminum plate and with constant flow module and is electrically connected, and led chip is arranged on the said led circuit plate;

3) also be provided with two reflectors in fluorescent tube body inside, reflector is arranged on the both sides of led circuit plate,

Be attached on the heat-radiating aluminum plate, tilt to place at an angle.

2. LED fluorescent lamp according to claim 1 is characterized in that: be filled with the two-sided silica gel of heat radiation between described reflector and the heat-radiating aluminum plate.

3. LED fluorescent lamp according to claim 1 is characterized in that: the material of described reflector is a metallic aluminium, and the surface attaches reflectorized material.

4. LED fluorescent lamp according to claim 1 is characterized in that: described Switching Power Supply comprises direct current or alternating-current switch power supply.

5. LED fluorescent lamp according to claim 1 is characterized in that: described Switching Power Supply takes to be lower than the power supply power supply of 36V.

6. LED fluorescent lamp according to claim 1 is characterized in that: described heat-radiating aluminum plate comprises arc heat-radiating aluminum plate or ribs of the fan shape heat-radiating aluminum plate.

7. LED fluorescent lamp according to claim 1 is characterized in that: said led chip comprises RGB monochromatic LED chip or all-colour LED chip.

8. LED fluorescent lamp according to claim 1 is characterized in that: the reference color temperature of said external power supply LED fluorescent lamp is 2700-7500K.

9. LED fluorescent lamp according to claim 1 is characterized in that: the lighting angle of said external power supply LED fluorescent lamp is 240 °.

10. LED fluorescent lamp according to claim 1 is characterized in that: described expansion light shield comprises Transparent lamp shade, striped lampshade, diffusion cloudy surface lampshade or frosted lampshade.