CN109798456B - LED fluorescent tube with heat dissipation function - Google Patents
LED fluorescent tube with heat dissipation function Download PDFInfo
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- CN109798456B CN109798456B CN201910192953.5A CN201910192953A CN109798456B CN 109798456 B CN109798456 B CN 109798456B CN 201910192953 A CN201910192953 A CN 201910192953A CN 109798456 B CN109798456 B CN 109798456B
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 71
- 238000007789 sealing Methods 0.000 claims abstract description 79
- 239000000758 substrate Substances 0.000 claims abstract description 41
- 239000011324 bead Substances 0.000 claims abstract description 39
- 238000010521 absorption reaction Methods 0.000 claims abstract description 33
- 230000000712 assembly Effects 0.000 claims abstract description 10
- 238000000429 assembly Methods 0.000 claims abstract description 10
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 239000000314 lubricant Substances 0.000 claims 1
- 238000005286 illumination Methods 0.000 description 5
- 230000002035 prolonged effect Effects 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 239000010687 lubricating oil Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The invention relates to an LED lamp tube with a heat dissipation function, which comprises a shell and two connecting blocks, wherein a substrate and a plurality of lamp beads are arranged in the shell, a plurality of heat dissipation assemblies are arranged on one side of the substrate, which is far away from the lamp beads, and each heat dissipation assembly comprises an opening, a sealing tube, a sealing plate, a heat absorption tube and a heat dissipation block.
Description
Technical Field
The invention relates to the field of LED lighting equipment, in particular to an LED lamp tube with a heat dissipation function.
Background
The LED lamp tube is also commonly called as a light tube and a fluorescent lamp tube, and the light source thereof adopts an LED as a luminous body, and the LED lamp tube has many advantages of high luminous efficiency, low heat generation, power saving and the like, and is commonly used for indoor illumination of common illumination, office buildings, markets, wine buildings, schools, families, factories and the like. With the technology of the photoelectric industry becoming mature and perfect, in order to save electricity, meet the requirements of energy conservation and environmental protection and meet the requirements of different users, more and more enterprises develop LED lamp tubes to replace fluorescent lamps in the traditional technology.
However, when the existing LED lamp tube is used for lighting, the lamp bead works in a closed environment, heat generated by light emission of the lamp bead is difficult to distribute, the temperature in the lamp tube is gradually increased, the lamp bead works in a high-temperature environment, the service life of the LED lamp tube is shortened, and the practicability of the existing LED lamp tube is further reduced.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, the LED lamp tube with the heat dissipation function is provided.
The technical scheme adopted by the invention for solving the technical problems is as follows: an LED lamp tube with a heat dissipation function comprises a shell and two connecting blocks, wherein the two connecting blocks are fixed at two ends of the shell respectively, a substrate and a plurality of lamp beads are arranged in the shell, two ends of the substrate are fixed on inner walls of two sides of the shell respectively, the lamp beads are uniformly distributed on one side of the substrate, a plurality of heat dissipation assemblies are arranged on one side of the substrate away from the lamp beads, the number of the heat dissipation assemblies is equal to that of the lamp beads, and the heat dissipation assemblies correspond to the lamp beads one by one;
the heat radiation component comprises an opening, a sealing tube, a sealing plate, a heat absorption tube and a heat radiation block, the sealing tube and the lamp bead are coaxially arranged, one end of the sealing tube is fixed on one side of the substrate far away from the lamp bead, the periphery of the other end of the sealing tube is provided with a plurality of openings, the sealing plate is positioned in the sealing tube, the periphery of the sealing plate is connected with the inner wall of the sealing tube in a sealing way, the center of the sealing plate is provided with a through hole, the heat absorption tube is fixed on the sealing plate, the opening is arranged on the inner wall of the shell body at one side close to the sealing tube, the periphery of the heat absorption pipe is hermetically connected with the inner wall of the opening, the heat absorption pipe is communicated with the sealing pipe through a through hole, the heat dissipation block is located on one side, close to the sealing tube, of the shell, a cavity is formed in the heat dissipation block, the cavity is communicated with the heat absorption tube, and the shape of one side, far away from the heat absorption block, of the heat dissipation block is spherical.
Preferably, in order to enhance the heat conduction performance of air on the side, far away from the lamp beads, of the substrate, a plurality of heat absorbing sheets are arranged in the sealing tube and fixed on the substrate.
Preferably, the heat absorbing sheet is in a wave shape in order to facilitate the heat absorption of the air in the sealed tube near one end of the substrate.
Preferably, in order to facilitate sliding of the sealing plate and the heat absorbing pipe, an outer circumference of the sealing plate and an outer circumference of the heat absorbing pipe are both coated with a lubricating oil.
Preferably, in order to absorb heat to the heat dissipation block, heat conduction blocks and support rods are arranged on two sides of the heat dissipation block, the heat conduction blocks are fixedly connected with the shell through the support rods, and the shape of one side, close to the heat dissipation block, of each heat conduction block is matched with the shape of one side, far away from the heat absorption pipe, of the heat dissipation block.
Preferably, in order to ensure the heat conduction performance of the heat absorption tube, the heat dissipation block and the heat conduction block, the heat absorption tube, the heat dissipation block and the heat conduction block are all made of aluminum.
The LED lamp tube with the heat dissipation function has the advantages that when the lamp beads continuously emit light for illumination, the sealing plate is pushed to move by air heated expansion, the heat dissipation area of the heat absorption tube is enlarged, meanwhile, the heat conduction block is in contact with the heat dissipation block to absorb heat, so that the air in the heat absorption tube and in the heat dissipation block is reduced, the substrate is conveniently cooled, the lamp beads are prevented from running at high temperature, the service life of the lamp tube is prolonged, and the practicability of the lamp tube is improved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural diagram of an LED lamp tube with a heat dissipation function according to the present invention;
FIG. 2 is a schematic structural diagram of a heat dissipation assembly of the LED lamp tube with heat dissipation function according to the present invention;
in the figure: 1. the heat-absorbing lamp comprises a shell, 2 parts of connecting blocks, 3 parts of sealing tubes, 4 parts of sealing plates, 5 parts of heat-absorbing tubes, 6 parts of heat-radiating blocks, 7 parts of heat-absorbing sheets, 8 parts of heat-conducting blocks, 9 parts of supporting rods, 10 parts of substrates and 11 parts of lamp beads.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1, an LED lamp tube with a heat dissipation function includes a housing 1 and two connection blocks 2, the two connection blocks 2 are respectively fixed at two ends of the housing 1, a substrate 10 and a plurality of lamp beads 11 are arranged in the housing 1, two ends of the substrate 10 are respectively fixed on inner walls of two sides of the housing 1, the lamp beads 11 are uniformly distributed at one side of the substrate 10, one side of the substrate 10 away from the lamp beads 11 is provided with a plurality of heat dissipation assemblies, the number of the heat dissipation assemblies is equal to the number of the lamp beads 11, and the heat dissipation assemblies are in one-to-one correspondence with the lamp beads 11;
in this LED fluorescent tube, base plate 10 in to casing 1 is electrically conductive through two connecting blocks 2, make lamp pearl 11 of base plate 10 below luminous, and then give out light and throw light on, when lamp pearl 11 is luminous, absorb the heat that lamp pearl 11 gived off through the radiator unit of top, thereby to carrying out the heat absorption around the lamp pearl 11, and give off the heat and go in the external world, thereby reach the radiating effect of cooling down to lamp pearl 11, make lamp pearl 11 work under suitable temperature environment, and then the life of this LED fluorescent tube has been prolonged, the practicality of equipment has been improved.
As shown in fig. 2, the heat dissipation assembly includes an opening, a sealing tube 3, a sealing plate 4, a heat absorption tube 5 and a heat dissipation block 6, the sealing tube 3 and a lamp bead 11 are coaxially disposed, one end of the sealing tube 3 is fixed to one side of a substrate 10 away from the lamp bead 11, a plurality of openings are disposed on the periphery of the other end of the sealing tube 3, the sealing plate 4 is located in the sealing tube 3, the periphery of the sealing plate 4 is hermetically connected to the inner wall of the sealing tube 3, a through hole is disposed at the center of the sealing plate 4, the heat absorption tube 5 is fixed to the sealing plate 4, the opening is disposed on the inner wall of the casing 1 near the sealing tube 3, the periphery of the heat absorption tube 5 is hermetically connected to the inner wall of the opening, the heat absorption tube 5 is communicated with the sealing tube 3 through the through hole, the heat dissipation block 6 is located on the casing 1 near the sealing tube 3, the cavity is communicated with the heat absorption pipe 5, and one side of the heat dissipation block 6, which is far away from the heat absorption block, is spherical.
When the lamp beads 11 emit light, heat is generated and transferred to the substrate 10 above, so that the substrate 10 conducts heat to air in the sealing tube 3 above, the air in the sealing tube 3 expands after being heated, the sealing plate 4 moves away from the substrate 10 in the sealing tube 3, a through hole is formed in the center of the sealing plate 4, a cavity is formed in the heat conducting block 8, so that hot air is uniformly distributed in the sealing tube 3, the heat absorbing tube 5 and the heat conducting block 8, the temperature of the air in the sealing tube 3, the heat absorbing tube 5 and the heat radiating block 6 gradually rises along with the continuous operation of the lamp beads 11, the high-temperature air transfers the heat to the surface of the heat radiating block 6 and the surface of the heat absorbing tube 5, the temperature of the heat radiating block 6 and the heat absorbing tube 5 rises, meanwhile, the heat radiating block 6 moves away from the basic direction along with the movement of the sealing plate 4, and the contact area between the heat absorbing tube 5, thereby be convenient for heat-absorbing pipe 5 give off more heats to the external world in, be convenient for to the air cooling in heat-absorbing pipe 5 and the heat-absorbing pipe 5 to reduce base plate 10's temperature, be convenient for reduce lamp pearl 11's operational environment temperature, prolong lamp pearl 11's life, improve equipment's practicality.
Preferably, in order to enhance the heat conduction performance to the air on the side of the substrate 10 far away from the lamp beads 11, a plurality of heat absorbing sheets 7 are arranged in the sealing tube 3, and the heat absorbing sheets 7 are fixed on the substrate 10. The heat absorbing sheet 7 is added to absorb heat of the substrate 10, and the air in the sealing tube 3 is heated by the heat absorbing sheet 7 and the substrate 10.
Preferably, the heat absorbing sheet 7 has a wave shape in order to absorb heat from the air inside the sealing tube 3 near one end of the substrate 10. The wavy design is favorable for increasing the surface area of the heat absorbing sheet 7, so that the contact area of the heat absorbing sheet 7 and air is increased, and heat is conveniently transferred to the air.
Preferably, in order to facilitate the sliding of the sealing plate 4 and the heat absorbing pipe 5, the outer circumference of the sealing plate 4 and the outer circumference of the heat absorbing pipe 5 are both coated with a lubricating oil. The friction between the outer periphery of the sealing plate 4 and the inner wall of the sealing tube 3 and the friction between the outer periphery of the heat absorbing tube 5 and the inner wall of the opening are reduced by the lubricating oil, thereby facilitating the sliding of the sealing plate 4 and the heat absorbing tube 5.
Preferably, in order to absorb heat to the heat dissipation block 6, a heat conduction block 8 and a support rod 9 are arranged on both sides of the heat dissipation block 6, the heat conduction block 8 is fixedly connected with the shell 1 through the support rod 9, and the shape of one side, close to the heat dissipation block 6, of the heat conduction block 8 is matched with the shape of one side, far away from the heat absorption pipe 5, of the heat dissipation block 6. When the temperature of the air in the sealing tube 3 rises, the air expands, the sealing plate 4 is pushed to move towards the direction far away from the substrate 10, so that after the heat dissipation block 6 is contacted with the heat conduction block 8, the heat dissipation block 6 transfers the heat to the heat conduction block 8 because the temperature of the heat conduction block 8 is lower than that of the heat dissipation block 6, the air in the heat dissipation block 6 continuously transfers the heat to the heat conduction block 8, the temperature of the air in the heat dissipation block 6 and the heat dissipation block 6 is reduced, the sealing plate 4 moves towards the substrate 10 after the air contracts in the cooling process, the heat dissipation block 6 is separated from the heat conduction block 8, the heat absorbed by the heat conduction block 8 is conveniently dissipated into the air, when the lamp beads 11 continuously illuminate, the lamp beads 11 continuously transfer the heat to the substrate 10, the air above the substrate 10 is expanded in the heating process, the sealing plate 4 is pushed to move, the heat dissipation block 6 is contacted with the heat conduction block 8, and the air, thereby make base plate 10 cooling, lamp pearl 11 works under suitable temperature environment, and then has prolonged the life of equipment.
Preferably, by utilizing the characteristics of the aluminum heat-conducting block 8, in order to ensure the heat-conducting performance of the heat-absorbing pipe 5, the heat-radiating block 6 and the heat-conducting block 8, the heat-absorbing pipe 5, the heat-radiating block 6 and the heat-conducting block 8 are all made of aluminum.
When the LED lamp tube is used for illumination, the lamp beads 11 emit light to transfer heat to the substrate 10, the substrate 10 heats air in the sealing tube 3 after being heated, so that after the air is heated and expanded, the sealing plate 4 is pushed to move away from the substrate 10, the contact area between the heat absorption tube 5 and the outside is enlarged, the heat dissipation capability is convenient to strengthen, meanwhile, the heat conduction blocks 8 absorb heat to the heat dissipation blocks 6, the air in the heat absorption tube 5 and in the heat dissipation blocks 6 is cooled and contracted, the sealing plate 4 is driven to move towards the substrate 10, the substrate 10 is cooled simultaneously, the lamp beads 11 are prevented from running at high temperature, when the lamp beads 11 continuously emit light to transfer heat to the substrate 10, the air is heated and expanded again to push the sealing plate 4 to move, the heat absorption tube 5 moves outwards, the heat dissipation area is enlarged, meanwhile, the heat conduction blocks 8 contact with the heat dissipation blocks 6 to absorb heat, the air in the heat absorption tube 5, the lamp beads 11 are prevented from operating at high temperature due to the circulation, so that the service life of the equipment is prolonged, and the practicability of the equipment is improved.
Compared with the prior art, this LED fluorescent tube with heat dissipation function when lamp pearl 11 continuously gives out light illumination, utilize the air to be heated the inflation and promote closing plate 4 and remove, enlarge heat-radiating area of heat-absorbing pipe 5, heat conduction piece 8 and the 6 contacts of radiating block carry out the heat absorption simultaneously, and then reduce the air in heat-absorbing pipe 5 and in the radiating block 6, be convenient for cool down base plate 10, avoid lamp pearl 11 to move under high temperature, thereby the life of fluorescent tube has been prolonged, the practicality of fluorescent tube has been improved.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (6)
1. The LED lamp tube with the heat dissipation function comprises a shell (1) and two connecting blocks (2), wherein the two connecting blocks (2) are respectively fixed at two ends of the shell (1), a substrate (10) and a plurality of lamp beads (11) are arranged in the shell (1), two ends of the substrate (10) are respectively fixed on inner walls of two sides of the shell (1), and the lamp beads (11) are uniformly distributed on one side of the substrate (10), and is characterized in that one side, far away from the lamp beads (11), of the substrate (10) is provided with a plurality of heat dissipation assemblies, the number of the heat dissipation assemblies is equal to that of the lamp beads (11), and the heat dissipation assemblies correspond to the lamp beads (11) one by one;
the heat dissipation assembly comprises an opening, a sealing pipe (3), a sealing plate (4), a heat absorption pipe (5) and a heat dissipation block (6), wherein the sealing pipe (3) and a lamp bead (11) are coaxially arranged, one end of the sealing pipe (3) is fixed on one side, away from the lamp bead (11), of a substrate (10), a plurality of openings are formed in the periphery of the other end of the sealing pipe (3), the sealing plate (4) is located in the sealing pipe (3), the periphery of the sealing plate (4) is in sealing connection with the inner wall of the sealing pipe (3), a through hole is formed in the center of the sealing plate (4), the heat absorption pipe (5) is fixed on the sealing plate (4), the opening is formed in the inner wall of one side, close to the sealing pipe (3), of the shell (1), the periphery of the heat absorption pipe (5) is in sealing connection with the inner wall of the opening, and the heat absorption pipe (5) is communicated with the sealing pipe, the heat dissipation block (6) is located on one side, close to the sealing pipe (3), of the shell (1), a cavity is arranged in the heat dissipation block (6), the cavity is communicated with the heat absorption pipe (5), and the shape of one side, far away from the heat absorption block, of the heat dissipation block (6) is spherical.
2. The LED lamp tube with the heat dissipation function as recited in claim 1, wherein a plurality of heat absorbing sheets (7) are arranged in the sealing tube (3), and the heat absorbing sheets (7) are fixed on the substrate (10).
3. The LED lamp tube with the heat dissipation function as recited in claim 2, wherein the heat absorbing sheet (7) is wave-shaped.
4. The LED lamp tube with heat dissipation function according to claim 1, wherein the outer circumference of the sealing plate (4) and the outer circumference of the heat absorbing tube (5) are both coated with lubricant.
5. The LED lamp tube with the heat dissipation function according to claim 1, wherein the heat-conducting block (8) and the supporting rod (9) are arranged on both sides of the heat dissipation block (6), the heat-conducting block (8) is fixedly connected with the housing (1) through the supporting rod (9), and the shape of the side of the heat-conducting block (8) close to the heat dissipation block (6) is matched with the shape of the side of the heat dissipation block (6) far away from the heat absorption tube (5).
6. The LED lamp tube with the heat dissipation function as in claim 5, wherein the heat absorbing tube (5), the heat dissipating block (6) and the heat conducting block (8) are made of aluminum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910192953.5A CN109798456B (en) | 2019-03-14 | 2019-03-14 | LED fluorescent tube with heat dissipation function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910192953.5A CN109798456B (en) | 2019-03-14 | 2019-03-14 | LED fluorescent tube with heat dissipation function |
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| Publication Number | Publication Date |
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| CN109798456A CN109798456A (en) | 2019-05-24 |
| CN109798456B true CN109798456B (en) | 2020-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910192953.5A Active CN109798456B (en) | 2019-03-14 | 2019-03-14 | LED fluorescent tube with heat dissipation function |
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| CN101871600A (en) * | 2010-03-13 | 2010-10-27 | 中山伟强科技有限公司 | LED street lamp |
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| CN109798456A (en) | 2019-05-24 |
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Effective date of registration: 20240316 Address after: Gate A4-1, West Industrial Zone, Longjing Village, Liushi Town, Leqing City, Wenzhou City, Zhejiang Province, 325604 Patentee after: Liuban Electric Co.,Ltd. Country or region after: China Address before: 321300 2 / F, building 1, No. 43, Zhufeng Road, qiaoxia East Village, Longshan Town, Yongkang City, Jinhua City, Zhejiang Province Patentee before: YONGKANG HENGNIU INDUSTRY AND TRADE Co.,Ltd. Country or region before: China |