CN104033772B - The LED lamp tube of a kind of self-adaptation fan heat radiation - Google Patents
The LED lamp tube of a kind of self-adaptation fan heat radiation Download PDFInfo
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- CN104033772B CN104033772B CN201410286351.3A CN201410286351A CN104033772B CN 104033772 B CN104033772 B CN 104033772B CN 201410286351 A CN201410286351 A CN 201410286351A CN 104033772 B CN104033772 B CN 104033772B
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Abstract
The present invention discloses the LED lamp tube of a kind of self-adaptation fan heat radiation, it relates to the technical field of non-portable indoor illumination light fitting. It comprises two LED luminous circuit boards, heat radiation rack and halfpipe lampshade, and the angle of two LED luminous circuit boards is 120 �� to 160 ��, and symmetry fits in heat radiation rack lower surface; The two sides, inner chamber left and right of heat radiation rack respectively vertical distribution have heat-radiating rod, the cross section of heat-radiating rod is streamlined at the length direction of heat radiation rack; The two ends of heat radiation rack are all fixed with the envelope lid pin of LED luminous circuit board; Each envelope lid pin has air inlet port; Heat radiation rack and halfpipe lampshade grafting envelope lid pin by two ends are fixed; In the middle part of the end face of heat radiation rack, radial direction has at least one venting hole; A heat radiation fan is all installed in each venting hole. The invention has the beneficial effects as follows that air circulation is abundant, good heat dissipation effect.
Description
Technical field
The present invention relates to the technical field of non-portable indoor illumination light fitting.
Background technology
Existing LED lamp tube mostly adopts passive heat radiation method on the market, againsts one piece of heat-dissipating aluminium plate by LED luminous circuit board, and the great power LED fluorescent tube that cooling requirements is high is then often adopted heat radiation fan that heat-dissipating aluminium plate is carried out active heat removal by some. But the LED lamp tube in existing market is to the fin shape on heat-dissipating aluminium plate surface and how to coordinate aspect not do special optimization design with heat radiation fan, so in fact these two aspects can carry out research and the improvement of a dark step.
Summary of the invention
Technical problem to be solved by this invention is the technical deficiency for above-mentioned existence, it is provided that a kind of air circulation is abundant, the LED lamp tube of the self-adaptation fan of good heat dissipation effect heat radiation.
The technical solution used in the present invention is: provide the LED lamp tube that a kind of self-adaptation fan dispels the heat: comprise two LED luminous circuit boards, heat radiation rack and halfpipe lampshade, the angle of described two LED luminous circuit boards is 120 �� to 160 ��, and symmetry fits in heat radiation rack lower surface; About the inner chamber of heat radiation rack, two EDS maps vertical distribution have heat-radiating rod, and the cross section of heat-radiating rod is streamlined at the length direction of heat radiation rack; The two ends of heat radiation rack are all fixed with the envelope lid pin of LED luminous circuit board; Each envelope lid pin has air inlet port; Heat radiation rack and halfpipe lampshade grafting envelope lid pin by two ends are fixed; In the middle part of the end face of heat radiation rack, radial direction has at least one venting hole; A heat radiation fan is all installed in each venting hole.
Optimizing the technical program further, the heat radiation rack of the LED lamp tube of self-adaptation fan heat radiation comprises globoidal structure, and the lower end of globoidal structure is connected with herringbone structure, and the inner chamber of heat radiation rack is divided into left and right two portions by herringbone structure; The upper surface of two LED luminous circuit boards is close to the lower surface of the inclined-plane dividing plate of two herringbone structures respectively; In herringbone structure, subordinate's end is provided with a thread groove; A groove it is respectively equipped with below the two ends of globoidal structure.
Optimizing the technical program further, in the middle part of the end face of the heat radiation rack of the LED lamp tube of self-adaptation fan heat radiation, radial direction has two venting holes.
Optimizing the technical program further, the LED lamp tube of self-adaptation fan heat radiation is all fixed with one-way exhaust window at each venting hole place;Described one-way exhaust window is made up of multiple blade.
Optimize the technical program further, described heat radiation rack is also fixed with position sensor device; Position sensor device comprises gravity sensing box, is sealed with the insulation strip of two symmetrically arranged medial recess in gravity sensing box, and two insulation strip carry conduction roller bearing; The medial recess place of each insulation strip and two ends are all fixed with an electrode slice; Two electrode slices being positioned at two insulation strip medial recess places are connected with pilot circuit respectively and control the exhaust of rotation in the same way of two heat radiation fans; The electrode slice being positioned at two insulation strip two ends is connected with pilot circuit respectively and controls the heat radiation fan reverse rotation air inlet of correspondence position.
Optimize the technical program further, above each electrode slice of the LED lamp tube of self-adaptation fan heat radiation, the end face of gravity sensing box all has a screw thread through hole.
Optimize the technical program further, described heat radiation rack is also fixed with two double-pole doublethrow switchs; Each double-pole doublethrow switch controls a heat radiation fan commutation respectively.
The invention has the beneficial effects as follows: 1, outside air can enter the inner chamber of heat radiation rack 2 from the inlet mouth that envelope lid pin is reserved specially, compares than the heat radiation structure of traditional LED lamp tube and has better air inlet effect; 2, heat-radiating rod cross section is streamlined, such air-flow the resistance being subject to through heat-radiating rod is little and area that is that contact with heat-radiating rod is bigger, heat radiation efficiency height. 3, hot blast is discharged to heat radiation rack outside by least one heat radiation fan, and position sensor device according to the sense of rotation of the installation position control heat radiation fan of the present invention, can make hot blast discharge upward as far as possible, contribute to carrying high cooling efficiency; 4, the sense of rotation of each heat radiation fan can be locked by controlling the double-pole doublethrow switch of each heat radiation fan, hot blast is discharged as far as possible upward, contributes to carrying high cooling efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention;
Fig. 2 is the structural representation of the envelope lid pin of Fig. 1;
Fig. 3 is the using state schematic diagram of heat radiation rack;
Fig. 4 is the using state schematic diagram of one-way exhaust window in Fig. 1;
Fig. 5 is the structural representation after removing one-way exhaust window in Fig. 4;
Fig. 6 is the structural representation of position sensor device in embodiment 1;
Fig. 7 is the internal structure schematic diagram of position sensor device;
Fig. 8 is the schematic circuit of control circuit of cooling fan in embodiment 1;
Fig. 9 is the schematic circuit of the heat radiation fan of embodiment 2.
Description of reference numerals:
1, LED luminous circuit board; 2, heat radiation rack; 3, halfpipe lampshade; 4, heat-radiating rod; 5, lid pin is sealed; 6, air inlet port; 7, venting hole, 8, heat radiation fan; 9, one-way exhaust window; 10, blade; 11, position sensor device; 12, gravity sensing box; 13, insulation strip; 14, conduction roller bearing; 15, electrode slice; 16, double-pole doublethrow switch; 17, screw thread through hole; 18, rubber wheel; 19, globoidal structure; 20, herringbone structure; 21, inclined-plane dividing plate; 22, thread groove; 23, groove; 24, every hurdle.
Embodiment
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
Embodiment 1
The LED lamp tube of self-adaptation fan heat radiation, the angle comprising two LED luminous circuit boards 1, heat radiation rack 2 and halfpipe lampshade 3, two LED luminous circuit boards 1 is 120 �� to 160 ��. Heat radiation rack 2 comprises globoidal structure 19, and globoidal structure 19 times ends are connected with herringbone structure 20, in the middle part of herringbone structure 20 upper end every hurdle 24, the inner chamber of heat radiation rack 2 is divided into left and right two portions, the two sides of herringbone structure 20 is inclined-plane dividing plate 21;The upper surface of two LED luminous circuit boards 1 is close to the lower surface of two inclined-plane dividing plates 21 respectively; In herringbone structure 20, subordinate's end is provided with a thread groove 22; A groove 23 it is respectively equipped with below the two ends of globoidal structure 19; Thread groove 22 is for being threaded with envelope lid pin 5; Groove 23 is for grafting halfpipe lampshade 3; The two sides, inner chamber left and right of heat radiation rack 2 respectively vertical distribution have heat-radiating rod 4 (with reference to accompanying drawing 3), the cross section of heat-radiating rod 4 is streamlined at the length direction of heat radiation rack 2; Heat-radiating rod 4 dense distribution is on inclined-plane dividing plate 21; And account for the 40%-50% of inclined-plane dividing plate 21 area; The two ends of heat radiation rack 2 are all fixed with the envelope lid pin 5 of LED luminous circuit board 1; Each envelope lid pin 5 has air inlet port 6; Heat radiation rack 2 is fixed with halfpipe lampshade 3 grafting and by the envelope lid pin 5 at two ends; In the middle part of the end face of heat radiation rack 2, radial direction has two venting holes 7; A heat radiation fan 8 is all installed in each venting hole 7; One-way exhaust window 9 all it is fixed with at each venting hole 7 place; One-way exhaust window 9 is made up of (with reference to accompanying drawing 4) multiple blade 10; Blade 10 outward rotation is opened; Heat radiation rack 2 is also fixed with position sensor device 11; Position sensor device 11 comprises gravity sensing box 12, is sealed with in insulation strip 13, two insulation strip 13 of two symmetrically arranged medial recess and carries conduction roller bearing 14 in gravity sensing box 12; The medial recess place of each insulation strip 13 and two ends are all fixed with an electrode slice 15; Two electrode slices 15 being positioned at two insulation strip medial recess places are connected with pilot circuit respectively and control the exhaust of rotation in the same way of two heat radiation fans 8; The electrode slice 15 being positioned at two insulation strip two ends is connected and controls the heat radiation fan 8 reverse rotation air inlet of correspondence position (with reference to accompanying drawing 6) respectively with pilot circuit.
As shown in Figure 8, S1-S3 is three switches of gravity sensing box, the signal of switch on and off will pass to 138 decoders, 138 decoders convert the signal into the different sense of current and export, by four triode Q1-Q4, Current amplifier being passed to the electric motor of heat radiation fan 8, M1, M2 are two heat radiation fans 8.
When level of the present invention be arranged on vertical wall time, conduction roller bearing 14 touches two electrode slices, 15, two electrode slices 15 of being positioned at two insulation strip, 13 times ends and achieves electrical connection by conduction roller bearing 14. Now pilot circuit drives the heat radiation fan 8 being positioned at bottom to blow upward, and warm air blows to the top of heat radiation rack 2 inside; Driving superposed heat radiation fan 8 to heat radiation rack 2 external exhaust gas, the warm air in such heat radiation rack 2 is discharged to outside jointly by two heat radiation fans simultaneously. When being positioned at heat radiation fan 8 reverse rotation of bottom, being positioned at one-way exhaust window 9 place of bottom, form negative pressure in heat radiation rack 2, blade 10 herein is closed; Superposed heat radiation fan 8 is in outside exhaust condition, and blade 10 herein is opened.
When the present invention is arranged in horizontal top surface, two electrode slices, 15, two electrode slices 15 that conduction roller bearing 14 touches two insulation strip 13 medial recess places achieve electrical connection by conduction roller bearing 14. Now pilot circuit drives two heat radiation fans 8 to be vented in the opposite direction, is discharged by the warm air in heat radiation rack 2. Now the blade 10 of one-way exhaust window 9 is all opened.
Above each electrode slice 15, the end face of gravity sensing box 12 all has a screw thread through hole 17; Be screwed in screw thread through hole 17 plastic material hold out against screw can by conduction roller bearing 14 lock.When the present invention vertical when being arranged on vertical wall, the metal roller bearing 14 in gravity sensing box cannot roll, and now just can hold out against, by what be screwed into plastic material, row's airintake direction that screw manually sets two heat radiation fans 8.
The middle part of conduction roller bearing 14 is fixed with rubber roll 18, and conduction roller bearing 14 rubber roll 18 when rolling, between two insulation strip 13, play the guiding role.
Embodiment 2
As shown in Figure 9, the difference of the present embodiment and embodiment 1 is: be all fixed with one-way exhaust window 9 at each venting hole 7 place; The blade 10 that described one-way exhaust window 9 is opened by multiple outward rotation forms; Described heat radiation rack 2 is also fixed with two double-pole doublethrow switchs 16; Double-pole doublethrow switch 16 can be fixed on heat radiation rack 2 top; Each double-pole doublethrow switch 16 controls a heat radiation fan 8 respectively and commutates.
When the present invention is arranged on vertical wall, the double-pole doublethrow switch 16 of the fan 8 that dispelled the heat on top dials to exhaust position, and the double-pole doublethrow switch 16 of the fan 8 that dispelled the heat bottom dials to air-suction state. The heat radiation fan 8 being positioned at bottom like this is blown upward, and warm air blows to the top of heat radiation rack 2 inside; Superposed heat radiation fan 8 is to heat radiation rack 2 external exhaust gas, and in such heat radiation rack 2, warm air is discharged to outside jointly by two heat radiation fans. When being positioned at heat radiation fan 8 reverse rotation of bottom, being positioned at one-way exhaust window 9 place of bottom, form negative pressure in heat radiation rack 2, blade 10 herein is closed; Superposed heat radiation fan 8 is in outside exhaust condition, and blade 10 herein is opened.
When the present invention is arranged in horizontal top surface, two double-pole doublethrow switchs 16 all being dialed to exhaust position, now two heat radiation fans 8 are vented in the opposite direction, are discharged by the warm air in heat radiation rack 2. Now the blade 10 of one-way exhaust window 9 is all opened.
Claims (3)
1. the LED lamp tube of a self-adaptation fan heat radiation, it is characterized in that: comprise two LED luminous circuit boards (1), heat radiation rack (2) and halfpipe lampshade (3), the angle of described two LED luminous circuit boards (1) is 120 �� to 160 ��, and symmetry fits in heat radiation rack (2) lower surface; The two sides, inner chamber left and right of heat radiation rack (2) respectively vertical distribution have heat-radiating rod (4), the cross section of heat-radiating rod (4) is streamlined at the length direction of heat radiation rack (2); The two ends of heat radiation rack (2) are all fixed with envelope lid pin (5) of LED luminous circuit board (1); Each envelope lid pin (5) has air inlet port (6); Heat radiation rack (2) is fixed with (3) grafting of halfpipe lampshade and by envelope lid pin (5) at two ends; In the middle part of the end face of heat radiation rack (2), radial direction has two venting holes (7); A heat radiation fan (8) is all installed in each venting hole (7); Described heat radiation rack (2) comprises globoidal structure (19), globoidal structure (19) lower end is connected with herringbone structure (20), and the inner chamber of heat radiation rack (2) is divided into left and right two portions by herringbone structure (20); The upper surface of two LED luminous circuit boards (1) is close to the lower surface of two herringbone structures (20) inclined-plane dividing plate (21) respectively; In herringbone structure (20), subordinate's end is provided with a thread groove (22); A groove (23) it is respectively equipped with below the two ends of globoidal structure (19); One-way exhaust window (9) all it is fixed with at each venting hole (7) place; Described one-way exhaust window (9) is made up of multiple blade (10); Described heat radiation rack (2) is also fixed with position sensor device (11); Position sensor device (11) comprises gravity sensing box (12), the insulation strip (13) being sealed with two symmetrically arranged medial recess in gravity sensing box (12), two insulation strip (13) carry conduction roller bearing (14);The medial recess place of each insulation strip (13) and two ends are all fixed with an electrode slice (15); Two electrode slices (15) being positioned at two insulation strip medial recess places are connected with pilot circuit respectively and control the exhaust of rotation in the same way of two heat radiation fans (8); The electrode slice (15) being positioned at two insulation strip two ends is connected with pilot circuit respectively and controls heat radiation fan (8) the reverse rotation air inlet of correspondence position.
2. the LED lamp tube of self-adaptation fan according to claim 1 heat radiation, it is characterised in that: in each electrode slice (15) top, the end face of gravity sensing box (12) all has a screw thread through hole (17).
3. the LED lamp tube of self-adaptation fan according to claim 1 heat radiation, it is characterised in that: described heat radiation rack (2) is also fixed with two double-pole doublethrow switchs (16); Each double-pole doublethrow switch (16) controls heat radiation fan (8) commutation respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410286351.3A CN104033772B (en) | 2014-06-19 | 2014-06-19 | The LED lamp tube of a kind of self-adaptation fan heat radiation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410286351.3A CN104033772B (en) | 2014-06-19 | 2014-06-19 | The LED lamp tube of a kind of self-adaptation fan heat radiation |
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| Publication Number | Publication Date |
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| CN104033772A CN104033772A (en) | 2014-09-10 |
| CN104033772B true CN104033772B (en) | 2016-06-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410286351.3A Active CN104033772B (en) | 2014-06-19 | 2014-06-19 | The LED lamp tube of a kind of self-adaptation fan heat radiation |
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| CA3187177A1 (en) * | 2015-07-27 | 2017-02-02 | Jiaxing Super Lighting Electric Appliance Co., Ltd | Led tube lamp |
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| JP2008181769A (en) * | 2007-01-25 | 2008-08-07 | Matsushita Electric Works Ltd | Socket with sensor and lighting fixture comprising the same |
| CN101839413A (en) * | 2010-05-28 | 2010-09-22 | 鸿富锦精密工业（深圳）有限公司 | LED fluorescent lamp |
| CN101968175B (en) * | 2010-10-22 | 2013-09-11 | 中山伟强科技有限公司 | LED lamp tube |
| JP2014099269A (en) * | 2012-11-13 | 2014-05-29 | Nec Lighting Ltd | Led lamp |
| CN203605066U (en) * | 2013-12-23 | 2014-05-21 | 上虞市友友照明电器有限公司 | Light emitting diode (LED) lamp with fan |
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- 2014-06-19 CN CN201410286351.3A patent/CN104033772B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10208897B2 (en) | 2015-03-10 | 2019-02-19 | Jiaxing Super Lighting Electric Appliance Co., Ltd. | LED tube lamp |
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