CN201152471Y - LED lighting light pipe - Google Patents

Abstract

The utility model discloses an LED lighting light tube, which includes a tube body, lamp holders arranged at both ends of the tube body, an LED light bar fixed in the tube body, and an LED driving device electrically connected between the lamp tube pins of the lamp holder and the LED light bar. The tube body is composed of an upper tube body made of a metal material and a lower tube body connected to the upper tube body and made of a transparent or translucent material. The upper tube body is made of a metal material with a high thermal conductivity, so it has a good heat dissipation function. The heat generated by the LED light bar can be dissipated through the upper tube body, so that the working temperature inside the tube body is at a suitable level, thereby extending the service life of the LED.

Description

LED lighting light pipe

【Technical field】

The utility model relates to an illuminating device, in particular to an LED illuminating light pipe.

【Background technique】

As people's requirements for green lighting are getting higher and higher, LED lighting tubes with many advantages such as low energy consumption, high light efficiency, and long service life are gradually replacing traditional fluorescent tubes, and are widely used in indoor lighting. A common LED lighting light tube is mainly composed of a tube body, lamp caps arranged at both ends of the tube body, an LED light bar set in the tube body, and an LED driving device connected between the lamp pins of the lamp cap and the LED light bar. The tube body is a plastic transparent tube or a glass transparent tube. Because the tube body of the existing LED lighting light tube is made of transparent plastic or glass, its thermal conductivity is low, and it does not have a good heat dissipation function. Therefore, the heat generated by the LED light bar cannot be effectively dissipated and accumulated in the tube body Among them, it is easy to cause the working temperature in the tube body to be too high, especially when the LED lamp tube is continuously working for a long time, thereby accelerating the aging of the LED and affecting the service life of the LED.

【Content of invention】

The purpose of the utility model is to overcome the disadvantage that the tube body of the common LED lighting light pipe is not easy to dissipate heat, and provide an LED lighting light pipe with a good heat dissipation function and prolong the service life of the LED.

The purpose of this utility model is achieved in the following way: an LED lighting light tube, including a tube body, lamp caps arranged at both ends of the tube body, LED light strips fixed in the tube body, electrically connected to the The LED drive device between the lamp pins of the lamp cap and the LED light bar, the upper half tube body made of metal material and the lower tube body made of transparent or translucent material connected to the upper half tube body composed of half pipes.

In the above-mentioned LED lighting light pipe, the upper half pipe body is made of aluminum alloy.

In the above-mentioned LED lighting light pipe, at least one cooling fin is formed vertically downward on the inner surface of the upper half pipe body.

In the above-mentioned LED lighting light pipe, an insulating heat dissipation plate is arranged between the heat dissipation fin and the LED light bar.

In the above-mentioned LED lighting light pipe, a metal heat dissipation plate is arranged between the heat dissipation fin and the insulating heat dissipation plate.

In the above-mentioned LED lighting light pipe, connecting grooves are formed on the lower edges of the upper half-pipes, and connecting parts matching the connecting grooves of the upper half-pipes are formed on the upper edges of the lower half-pipes, The connecting portion is placed in the connecting groove to realize the connection between the upper half-pipe body and the lower half-pipe body.

In the above-mentioned LED lighting light pipe, installation grooves for installing LED light bars are respectively formed on the inside of the lower edge of the upper half pipe body.

In the above-mentioned LED lighting light pipe, the lamp cap is composed of a lamp cover, a lamp cover arranged on the outer end of the lamp cover in a manner to be rotatable relative to the lamp cover, and lamp pins arranged on the lamp cover.

In the above-mentioned LED lighting light pipe, the outer end of the lamp cover is formed with a socket portion in a hollow structure with an insertion hole, and a plurality of locking positions are formed on the inner edge of the insertion hole. The inner end is formed with a storage part matching the sleeve part, and a hook is formed at the center of the storage part, and the storage part fits on the sleeve part and the hook passes through the placement part. into the hole and clamped to the clamping position.

In the above-mentioned LED lighting light pipe, the wall thickness of the lower half pipe gradually decreases from the center to both sides.

The beneficial effect of the utility model is that: the tube body of the LED lighting light tube is composed of the upper half tube body made of metal material and the lower half tube body made of transparent or translucent material, and the metal material has a higher thermal conductivity, so , the upper half of the tube body has a good heat dissipation function, the heat generated by the LED light bar can be dissipated through the upper half of the tube body, so that the working temperature inside the tube body is at a suitable level, thereby prolonging the service life of the LED; used to set the lamp The lamp cover of the tube pin can be rotated relatively, which can facilitate the replacement of the lamp pin position of the LED lighting light tube, making it suitable for lamp tube racks with different insertion points.

【Description of drawings】

Below in conjunction with accompanying drawing and embodiment the utility model is described further.

Fig. 1 is a schematic diagram of the appearance structure of the LED lighting light pipe of the present invention.

Fig. 2 is a schematic diagram of an exploded structure of the LED lighting light pipe of the present invention.

Fig. 3 is a structural schematic diagram of the lamp cover of the LED lighting light pipe of the present invention.

Fig. 4 is a structural schematic diagram of the lamp cover of the LED lighting light pipe of the present invention.

Fig. 5 is a schematic structural view of the lower half of the LED lighting light pipe of the present invention.

【Detailed ways】

Referring to Fig. 1 and Fig. 2, the LED lighting light pipe disclosed by the utility model includes a pipe body 10, lamp caps 20 arranged at both ends of the pipe body 10, LED light strips 30 fixed in the pipe body 10, electrical connection The LED driving device 40 is formed between the lamp pin 200 of the lamp holder 20 and the LED light bar 30, wherein the tube body 10 is composed of an upper half tube body 100 and a lower half tube body 110 connected to the upper half tube body 100, The upper half-pipe body 100 is made of a metal material with good thermal conductivity such as aluminum alloy, and a connection groove 102 is formed on the outside of its lower edge, and the lower half-pipe body 110 is made of transparent or translucent materials such as plastic and glass. Preparation, the inner side of its upper edge is respectively formed with the connection part 112 matching the connection groove 102 of the upper half pipe body 100, and the connection part 112 is placed in the connection groove 102 to realize the connection between the upper half pipe body 100 and the lower half pipe body 110 .

The tube body 10 is composed of an upper half tube body 100 made of metal material and a lower half tube body 110 made of transparent or translucent material. The transparent or translucent lower half tube body 110 can transmit the light emitted from the LED light bar 30 light, so as to obtain a stable and uniform lighting source; and the metal material has a high thermal conductivity, so the upper half tube body 100 has a good heat dissipation function, and the heat generated by the LED light bar 30 can be dissipated through the upper half tube body 100 out, so that the working temperature inside the tube body 10 is at a suitable level, thereby prolonging the service life of the LED.

A plurality of cooling fins 104 are formed vertically downward on the inner surface of the upper half tube body 100, which increases the heat dissipation area of the upper half tube body 100 and can accelerate the heat dissipation speed generated by the LED light bar 30, and, due to The existence of the cooling fins 104 can enhance the rigidity of the entire upper half pipe body 100 . Furthermore, a metal heat sink 120 and an insulating heat sink 130 can be arranged between the heat sink 104 and the LED light bar 30, so that the LED light bar 30 is in contact with the heat sink 104 through the insulating heat sink 130 and the metal heat sink 120, Enhance its cooling effect. Generally, the metal heat dissipation plate 120 is made of an aluminum alloy plate, which has the advantages of quick heat dissipation and light weight.

Installing slots 106 are formed on the inner side of the lower edge of the upper half-tube body 100 , which are used for installing the LED light bar 30 , so that the installation/disassembly of the LED light bar 30 is more convenient and fast.

The lamp cap 20 includes a lamp cover 210 , a lamp cover 220 sleeved on the lamp cover 210 and a lamp pin 200 arranged on the lamp cover 220 . The connecting portion 214, the inner edge of the insertion hole 212 is formed with a plurality of engaging positions 216, and the inner end of the lamp cover 220 is formed with a receiving portion 222 matching the sleeve portion 214 of the lamp cover 210, and the center of the receiving portion 222 A hook 224 is formed, the receiving portion 222 fits on the sleeve portion 214 and the hook 224 passes through the insertion hole 212 and is snapped into the snap-in position 216, so as to realize the socketing of the lamp cover 220 and the lamp cover 210, so that the lamp The cover 220 is rotatable relative to the lamp cover 210 , and the hooks 224 are engaged with different engaging positions 214 to realize the fixing of the two. Since the lamp cover 220 for setting the lamp pin 200 can be rotated relatively, the position of the lamp pin of the LED lighting light tube can be replaced conveniently, making it suitable for lamp tube racks with different insertion points.

Referring to Fig. 5, the thickness of the tube wall of the lower half tube body 110 gradually decreases from its center to both sides, and the tube wall thickness Hm at the center is greater than the tube wall thicknesses Hb1 and Hb2 on both sides, so that the lower half tube body 110 It is equivalent to a convex lens with an astigmatism effect, which plays a role in distributing the light emitted by the LED light bar 30, and enhances the lighting effect of the LED lighting light pipe.

Claims (10)

1. An LED lighting light tube, comprising a tube body, lamp caps arranged at both ends of the tube body, LED light strips fixed in the tube body, lamp pins electrically connected to the lamp caps and the The LED driving device between LED light bars is characterized in that: the tube is made of an upper half tube made of metal material and a lower half tube connected to the upper half tube made of transparent or translucent material constitute. 2. The LED lighting light pipe according to claim 1, wherein the upper half pipe body is made of aluminum alloy. 3. The LED lighting light pipe according to claim 1 or 2, characterized in that: at least one cooling fin is formed vertically downward on the inner surface of the upper half pipe body. 4. The LED lighting light pipe according to claim 3, wherein an insulating heat dissipation plate is arranged between the heat dissipation fin and the LED light bar. 5. The LED lighting light pipe according to claim 4, wherein a metal heat dissipation plate is arranged between the heat dissipation fin and the insulating heat dissipation plate. 6. The LED lighting light pipe according to claim 1 or 2, characterized in that: the lower edges of the upper half-pipes are respectively formed with connecting grooves, and the upper edges of the lower half-pipes are respectively formed with the A connecting part matching the connecting groove of the upper half-pipe body, the connecting part is placed in the connecting groove to realize the connection between the upper half-pipe body and the lower half-pipe body. 7. The LED lighting light pipe according to claim 1 or 2, characterized in that: the inner side of the lower edge of the upper half-pipe body is respectively formed with installation grooves for installing LED light strips. 8. The LED lighting light pipe according to claim 1 or 2, characterized in that: the lamp holder is composed of a lamp cover, a lamp cover arranged at the outer end of the lamp cover in a rotatable manner relative to the lamp cover, and a set It is composed of the lamp pins on the lamp cover. 9. The LED lighting light pipe as claimed in claim 8, characterized in that: the outer end of the lamp cover is formed with a socket portion in a hollow structure with an insertion hole, and the inner edge of the insertion hole is formed with A plurality of snap-in positions, the inner end of the lamp cover is formed with a storage part that matches the sleeve part, a hook is formed at the center of the storage part, and the storage part fits in the sleeve part and the hook passes through the inserting hole and is locked at the locking position. 10. The LED lighting light pipe according to claim 1 or 2, characterized in that: the thickness of the pipe wall of the lower half pipe gradually decreases from the center to both sides.

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