CN202302841U

CN202302841U - Light-emitting diode (LED) lamp tube

Info

Publication number: CN202302841U
Application number: CN2011203874409U
Authority: CN
Inventors: 田峰
Original assignee: NINGBO RUIKANG PHOTOELECTRIC CO Ltd; Shenzhen Refond Optoelectronics Co Ltd
Current assignee: NINGBO RUIKANG PHOTOELECTRIC CO Ltd; Shenzhen Refond Optoelectronics Co Ltd
Priority date: 2011-10-12
Filing date: 2011-10-12
Publication date: 2012-07-04
Anticipated expiration: 2021-10-12

Abstract

A light-emitting diode (LED) lamp tube comprises a tube body, two connectors respectively installed at two opposite ends of the tube body, an LED module, a driver and a radiating tube arranged in the tube body, wherein the LED module and the driver are placed in the tube body. The LED module is installed on the periphery of the radiating tube, and end portions of the connectors corresponding to the radiating tube are provided with ventilating holes for hot gas in the radiating tube to pass. The LED module is installed on the periphery of the radiating tube, so that large-angle light emitting can be achieved. The LED lamp tube has good lighting effect, heat generated by the LED module can be transmitted to the radiating tube which radiates heat to the outside through ventilating holes of the connectors, and good radiating effect can be achieved.

Description

The LED fluorescent tube

Technical field

The utility model relates to a kind of lighting device, particularly a kind of LED fluorescent tube.

Background technology

The LED illumination market is burning hot gradually at present, but the elimination of the dazzle that directive property causes of the heat radiation of led light source and light source is the problem demanding prompt solution that makes the designer have a headache always, and good heat dissipation design and soft bright dipping are only the starting point of the universal product.

To the present LED fluorescent tube of main flow on the market, general structure is: half aluminium, half plastic cement cover type preferably 1) dispels the heat; 2) overall plastic sebific duct type; Half aluminium type fluorescent tube weight is big, and the light fixture thermal resistance is high, and heating influenced each other when light source was with the power work that places pipe inner light source top in addition, and is unfavorable to service life, safety inadequately when using non-isolated power supply in addition, and outer tube is charged easily; Overall plastic sebific duct good insulation preformance, but heat radiation is extremely poor, does not externally have good heat exchange basically, causes light source, power supply extreme difference in service life; More than 2 kinds of fluorescent tubes be the semicircle light-emitting area, do not have better illuminating effect in some field.

The utility model content

In view of this, be necessary the LED fluorescent tube that a kind of perfect heat-dissipating is provided and has the better illumination effect.

The utility model is achieved in that a kind of LED fluorescent tube; It comprises body, respectively be installed on said body opposite end two joints, place LED module and driver in the said body; Also comprise the radiating tube that places in the said body; Said LED module is installed on the periphery of said radiating tube, and the end of the corresponding said radiating tube of said joint offers the passage that supplies the thermal current in the said radiating tube to pass through.

Further; Said each joint comprises a body and an installation portion that in said body, is protruded out by said body; Said passage is offered along the axis direction of said body in the position of the corresponding said installation portion of said joint, and the opposite end of said radiating tube is placed on the installation portion of said joint.

Further, the installation portion periphery of said joint outwards protrudes out the positioning boss of the said radiating tube in location to prevent that said radiating tube from moving at the axis direction of said body.

Further, the inner surface of said radiating tube extends internally and is formed with some fin.

Further, the body of said joint is in offering annular positioning groove near its peripheral position, and the opposite end of said body inserts in the said locating slot.

Further, be formed with a bluff piece between the periphery of said locating slot and said body, said bluff piece extends beyond said body.

Further, the body of said each joint is equipped with two contact pins, and said driver places outside the said body, and said contact pin is electrically connected with said LED module to realize the power supply of LED module through lead.

Further, said driver is installed on the position near said joint in the said body, and said driver is electrically connected with said LED module.

Further, the cross section of said radiating tube is the polygon-shaped of at least three limits, and the quantity of said LED module equates with the limit number in the cross section of said radiating tube, and said LED module is installed on respectively on polygon of said radiating tube.

Further, said radiating tube is the aluminum pipe body, and said body is plastic tube body or canals of stilling.

Said LED module is installed on the periphery of said radiating tube; Can realize the wide-angle bright dipping, have the better illumination effect, the heat that said LED module produces is passed to said radiating tube; Said radiating tube is distributed to the external world with the passage of heat through said joint, reaches better heat radiating effect.

Description of drawings

The LED fluorescent tube front view that Fig. 1 provides for the utility model embodiment.

Fig. 2 is the cross section enlarged drawing of the LED fluorescent tube of Fig. 1.

Fig. 3 is the side-looking enlarged drawing of the LED fluorescent tube of Fig. 1.

Fig. 4 is the longitudinal sectional view of the LED fluorescent tube of Fig. 1.

Fig. 5 is the cutaway view of joint of the LED fluorescent tube of Fig. 4.

Fig. 6 places the outer longitudinal sectional view of body for the driver of the LED fluorescent tube of Fig. 4.

The specific embodiment

For the purpose, technical scheme and the advantage that make the utility model is clearer,, the utility model is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.

See also Fig. 1 to Fig. 4, the LED fluorescent tube that the utility model embodiment provides comprises a body 11, place radiating tube 12 in the said body 11, be installed on the peripheral some LED modules 13 of said radiating tube 12, be installed on two joints 14 and a driver 15 of said body 11 opposite ends respectively.The end of said joint 14 corresponding said radiating tubes 12 offers the passage 16 that supplies the thermal current in the said radiating tube 12 to pass through.Said radiating tube 12 forms the heat dissipation channel 17 that vertically passes said LED fluorescent tube with the passage 16 of said joint 14.Said passage 16 can be one, also can be a plurality of.

The heat that said LED module 13 produces is passed to said radiating tube 12, and to said heat dissipation channel 17, direct and external environment condition heat exchange reaches better heat radiating effect to said radiating tube 12 with the heat heat radiation.LED fluorescent tube of the present invention has special heat dissipation channel 17; Have good cell breath, it is unlikely too high and cause led light source to lose efficacy to control temperature, especially under the condition of the axis installation perpendicular to the ground of LED fluorescent tube; Heat dissipation channel 17 can form stack effect; The heat of taking away is more, the longer service life of LED module 13, and it is more stable to work.

Said body 11 is plastic tube body or canals of stilling.Said body 11 uses plastic material, and safety is in light weight, easily through the safety standard, avoids the electric shock situation to take place simultaneously.In the present embodiment, the cross section of said body 11 is rounded.In other embodiments, the cross section of said body 11 is polygon, for example, and the polygon that at least three limits and three limits are above.

Said radiating tube 12 is made of metal, and for example is the aluminum pipe body, the aluminium extruded moulding.The inner surface of said radiating tube 12 extends internally and is formed with some fin (figure does not show), to increase exchange capability of heat.The cross section of said radiating tube 12 is the polygon-shaped of at least three limits.The quantity of said LED module 13 equates with the limit number in the cross section of said radiating tube 12.Said LED module 13 is installed on respectively on polygon of said radiating tube 12.

Said LED module 13 comprises the circuit board 130 that is installed on said radiating tube 12 outer surfaces and is installed on the some LED131 on the said circuit board 130.

Please consult Fig. 5 simultaneously, the installation portion 21 that each joint 14 comprises a body 20, protruded out by said body 20 and be installed on two contact pins 22 on the said body 20 in said body 11.Said installation portion 21 is positioned at the centre position of said body 20.Said passage 16 is offered along the axis direction of said body 11 in the position of said joint 14 corresponding said installation portions 21.The opposite end of said radiating tube 12 is placed on the installation portion 21 of said joint 14.Said installation portion 21 peripheries outwards protrude out the positioning boss 23 of the said radiating tube 12 in location to prevent that said radiating tube 12 from moving at the axis direction of said body 11.The body 20 of said joint 14 is in offering annular positioning groove 24 near its peripheral position.The opposite end of said body 11 inserts in the said locating slot 24.Be formed with a bluff piece 25 between the periphery of said locating slot 24 and said body 20.Said bluff piece 25 extends beyond said body 20, and when said body 11 inserted in the said locating slot 24, said bluff piece 25 increased with the contact area of said body 11 outer surfaces, makes body 11 and joint 14 install more firm.In addition, said locating slot 24 can be filled with glue, to firmly fix body 11 and joint 14.

Said driver 15 is installed on the position near said joint 14 in the said body 11.Said driver 15 is electrically connected with said LED module 13.Please consult Fig. 6 simultaneously, said driver 15 can place outside the said body 11, and among Fig. 6 and not shown said driver 15, said contact pin 22 is electrically connected the power supply with realization LED module 13 through lead 26 with said LED module 13.

The LED module 13 of LED fluorescent tube of the present invention is arranged in the whole outer surface of said radiating tube 12, makes the bright dipping of LED fluorescent tube cover in the angular range of 360 degree, realizes that wide-angle is luminous, reduces dazzle.

The LED fluorescent tube of the utility model is taken into account heat radiation and is considered with safety; Simultaneously to going out light effect; Light fixture weight all has optimization, can adjust the quantity of LED module 13 in managing according to different environments for use in addition, can obtain different rising angles; And assembling is simple, can promote the adaptability that the fluorescent tube sexual valence when promotes the fluorescent tube environment for use.

More than be merely the preferred embodiment of the utility model,, any modification of being done within all spirit at the utility model and the principle, be equal to and replace and improvement etc., all should be included within the protection domain of the utility model not in order to restriction the utility model.

Claims

1. LED fluorescent tube; It comprises body, respectively be installed on said body opposite end two joints, place LED module and driver in the said body; It is characterized in that: also comprise the radiating tube that places in the said body; Said LED module is installed on the periphery of said radiating tube, and the end of the corresponding said radiating tube of said joint offers the passage that supplies the thermal current in the said radiating tube to pass through.

2. LED fluorescent tube as claimed in claim 1; It is characterized in that: said each joint comprises a body and an installation portion that in said body, is protruded out by said body; Said passage is offered along the axis direction of said body in the position of the corresponding said installation portion of said joint, and the opposite end of said radiating tube is placed on the installation portion of said joint.

3. LED fluorescent tube as claimed in claim 2 is characterized in that: the installation portion periphery of said joint outwards protrudes out the positioning boss of the said radiating tube in location to prevent that said radiating tube from moving at the axis direction of said body.

4. like any described LED fluorescent tube of claim 1 to 3, it is characterized in that: the inner surface of said radiating tube extends internally and is formed with some fin.

5. LED fluorescent tube as claimed in claim 4 is characterized in that: the body of said joint is in offering annular positioning groove near its peripheral position, and the opposite end of said body inserts in the said locating slot.

6. LED fluorescent tube as claimed in claim 5 is characterized in that: be formed with a bluff piece between the periphery of said locating slot and said body, said bluff piece extends beyond said body.

7. LED fluorescent tube as claimed in claim 4 is characterized in that: the body of said each joint is equipped with two contact pins, and said driver places outside the said body, and said contact pin is electrically connected with said LED module to realize the power supply of LED module through lead.

8. LED fluorescent tube as claimed in claim 4 is characterized in that: said driver is installed on the position near said joint in the said body, and said driver is electrically connected with said LED module.

9. LED fluorescent tube as claimed in claim 4; It is characterized in that: the cross section of said radiating tube is the polygon-shaped of at least three limits; The quantity of said LED module equates with the limit number in the cross section of said radiating tube, and said LED module is installed on respectively on polygon of said radiating tube.

10. LED fluorescent tube as claimed in claim 4 is characterized in that: said radiating tube is the aluminum pipe body, and said body is plastic tube body or canals of stilling.