CN208442803U - A kind of LED lamp heat sink - Google Patents
A kind of LED lamp heat sink Download PDFInfo
- Publication number
- CN208442803U CN208442803U CN201821181146.0U CN201821181146U CN208442803U CN 208442803 U CN208442803 U CN 208442803U CN 201821181146 U CN201821181146 U CN 201821181146U CN 208442803 U CN208442803 U CN 208442803U
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- central tube
- cooling fin
- light bulb
- wall
- annular
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- 238000001816 cooling Methods 0.000 claims abstract description 85
- 230000017525 heat dissipation Effects 0.000 claims abstract description 28
- 238000009826 distribution Methods 0.000 claims description 4
- 241001465382 Physalis alkekengi Species 0.000 abstract description 17
- 230000000694 effects Effects 0.000 abstract description 15
- 238000009434 installation Methods 0.000 description 14
- 238000010438 heat treatment Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000001795 light effect Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000000463 material Substances 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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- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
The utility model relates to lamps and lanterns technical field of heat dissipation, disclose a kind of LED lamp heat sink, its key points of the technical solution are that including circular central tube and the cooling fin set on center drum outer wall, cooling fin axis direction setting in a strip shape and along central tube, the both ends of the cooling fin align with the both ends of central tube respectively, and the cooling fin is equipped with multiple and around central tube circumferences and is uniformly distributed;One end of side of the cooling fin far from central tube is equipped with notch, and multiple notches form a circle annular notch, and the inner wall of the annular notch includes the first inner wall for being parallel to central tube axis and the second inner wall perpendicular to central tube axis;It further include the light bulb for connecting radiator, the light bulb is connected to outside multiple cooling fins from end cap where annular notch, and the light bulb in annular notch and is connected to the second inner wall towards the end of cooling fin;The light bulb is threadedly connected to the first inner wall.The radiator has the effect of being more convenient to connect with light bulb.
Description
Technical field
The utility model relates to lamps and lanterns technical field of heat dissipation, more specifically, it relates to a kind of LED lamp heat sink.
Background technique
Various illuminators are seen everywhere in our life, and LED light is because having energy conservation, efficiently, environmental protection, service life length
Advantage and be widely used in many lighting areas.The heat dissipation performance of LED light has important work to the length of lamps and lanterns service life
With the radiator generally produced is after absorbing heat by cooling fin, to be dissipated heat in the form of convection current.
Such as the Chinese patent that notification number is CN203258616U discloses a kind of LED lamp heat sink, including heating column, dissipates
Backing, is both provided with reasonable heat-dissipating space between each cooling fin, cooling fin between each other full through, heat dissipation performance compared with
It is good, effectively extend the service life of LED light;Cooling fin is vertically fixedly mounted on the lateral surface of heating column, the thickness of heating column
Less than the height of cooling fin.
Radiator can be attached with light bulb.However, the radiator there are problems that it is inconvenient connect with light bulb, with light bulb
It is needed when connection by way of playing screw or installation screw bolt and nut, the connection installation process of radiator and light bulb is more numerous
It is trivial.
Utility model content
In view of the deficiencies of the prior art, the purpose of the utility model is to provide a kind of LED lamp heat sink, which has
The more convenient effect connected with light bulb.
The above-mentioned technical purpose of the utility model has the technical scheme that a kind of LED lamp heat sink,
Including circular central tube and set on the cooling fin of center drum outer wall, the cooling fin is in a strip shape and axis side along central tube
To setting, the both ends of the cooling fin align with the both ends of central tube respectively, and the cooling fin is equipped with multiple and around central tube
Circumference be uniformly distributed;One end of side of the cooling fin far from central tube is equipped with notch, and multiple notches are formed
One circle annular notch, the inner wall of the annular notch includes being parallel to the first inner wall of central tube axis and perpendicular to central tube
Second inner wall of axis;It further include the light bulb for connecting radiator, the light bulb is connected to multiple from end cap where annular notch
Outside cooling fin, the light bulb in annular notch and is connected to the second inner wall towards the end of cooling fin;The light bulb screw thread
It is connected to the first inner wall.
By using above-mentioned technical proposal, lamps and lanterns are connect with light bulb, and light bulb connects cooling fin, and the heat that lamps and lanterns generate passes through
Cooling fin is timely and effectively absorbed and is distributed;Light bulb is socketed on outside a circle cooling fin, light bulb is rotated, makes light bulb and the first inner wall
It is threadedly coupled, is firmly installed light bulb abutting in the second inner wall, and then by light bulb, thus the installation of light bulb and cooling fin
It connects more efficient and convenient;Light bulb towards the end of cooling fin in the annular notch, conducive to light bulb outer wall and cooling fin is made
Outside keeps smooth, is also conducive to light bulb and abuts to the second inner wall and carry out more acurrate convenient positioning to the installation site of light bulb.
Preferably, the cooling fin is equipped with the recessed portion close to notch, multiple recessed portions far from the side of central tube
Circumference around central tube is distributed.
By using above-mentioned technical proposal, recessed portion has anti-skidding effect, is connecting light bulb and when cooling fin, cooling fin and
Central tube is less susceptible to slide from hand.
Preferably, the inner wall of the central tube is equipped with heat dissipation inner sheet in a strip shape and being parallel to central tube axis, described to dissipate
Hot inner sheet is equipped with multiple and around central tube circumferences and is uniformly distributed.
By using above-mentioned technical proposal, the space in central tube is taken full advantage of, the setting for the inner sheet that radiates is so that lamps and lanterns
It is more preferable that heat is absorbed more abundant and cross-ventilation heat dissipation effect.
Preferably, number of the heat dissipation inner sheet and the ratio between the number of the cooling fin are 1:3, and each described heat dissipation
Inner sheet is right against the gap between two of them abutting fins.
By using above-mentioned technical proposal, the density of cooling fin is three times of heat dissipation inner sheet density, and air is in central tube
The flowing space it is bigger, lamps and lanterns heat dissipation effect is more preferable;On the other hand, radiate inner sheet difficulty of processing it is smaller, reduce heat dissipation inner sheet
Processing cost.
Preferably, mounting plate is provided in the central tube, the central tube is fixedly sheathed in outside mounting plate, the installation
One end flush of one end face of plate and central tube close to annular notch;The one end and peace of the heat dissipation inner sheet close to annular notch
Loading board abuts against;The mounting plate is equipped with multiple mounting holes passed through for electrical wire of lamp.
By using above-mentioned technical proposal, convenient for related lamp cap to be attached with mounting plate, mounting hole is used for mounting plate
Related electric wire passes through.
Preferably, the opposite sides of multiple cooling fins is equipped with fixed strip, the length direction of the fixed strip and dissipates
The length direction of backing is identical, and the opposite sides end of the fixed strip is respectively and fixedly connected in two neighboring cooling fin.
By using above-mentioned technical proposal, fixed strip has the effect of increasing heat radiating fin structure intensity, reduces cooling fin
In the presence of a harsh environment the case where compressive deformation.
Preferably, one of them described fixed strip is equipped with screw hole, and the screw hole perforation fixed strip is respectively facing and far from
The opposite end surface of heart cylinder.
By using above-mentioned technical proposal, convenient for corresponding installation screw rod is threadedly coupled with screw hole and by cooling fin and center
Cylinder and lamps and lanterns carry out hanging installation and fix, more convenient to the installation of radiator and lamps and lanterns.
Preferably, the first inner wall for being connected and fixed cooling fin described in each adjacent two of item is connected with connection sheet, the company
Surface of the contact pin far from central tube and the first inner wall flush, the light bulb are threadedly coupled with connection sheet.
By using above-mentioned technical proposal, light bulb is threadedly coupled with connection sheet, so that the screw thread of light bulb and the first inner wall connects
It connects and more consolidates, and then light bulb connect with cooling fin and more consolidates.
Preferably, the inner wall of the light bulb is equipped with the ring block of the rectangular triangle in section, the outer surface of the ring block
Including the fixed annular surface for being attached at light bulb inner wall, perpendicular to light bulb axis planar annular and with annular surface and annular
The annular slope that plane is connected;The end phase of connecting line and light bulb far from cooling fin of the annular slope and annular surface
Concordantly;The annular slope is equipped with multiple axial distributions along light bulb and is linked to be stair-stepping annular protrusion, multiple annulars
Direction of the diameter of protrusion from towards central tube to far from central tube is sequentially increased.
By using above-mentioned technical proposal, the annular slope on ring block has the effect of anti-dazzle, and lamps and lanterns shine in light bulb
The light of injection is less susceptible to the eyes of damage people;Annular protrusion on annular slope further increases anti-dazzle light effect.
In conclusion the utility model has the following beneficial effects:
1, light bulb is socketed on outside a circle cooling fin, rotate light bulb, connect light bulb with the first inner thread and push against in
Second inner wall, so that the installation connection of light bulb and cooling fin is more efficient and convenient;
2, the recessed portion on the outside of cooling fin has anti-skidding effect, when connecting light bulb and cooling fin, cooling fin and central tube
It is less susceptible to slide from hand;
3, the annular slope on ring block and annular protrusion have the effect of anti-dazzle, the light that lamps and lanterns irradiate in light bulb
It is less susceptible to the eyes of damage people.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment;
Fig. 2 is the explosive view of light bulb in the utility model embodiment;
Fig. 3 is the enlarged drawing of part A in Fig. 2;
Fig. 4 is another viewing angle constructions schematic diagram of light bulb in the utility model embodiment.
In figure: 1, central tube;2, cooling fin;3, annular notch;4, the first inner wall;5, the second inner wall;6, light bulb;7, it is recessed
Portion;8, radiate inner sheet;9, mounting plate;10, mounting hole;11, fixed strip;12, screw hole;13, connection sheet;14, ring block;15, ring
Shape plane;16, annular slope;17, annular protrusion;18, inclined surface;19, card column.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
A kind of LED lamp heat sink, as depicted in figs. 1 and 2, including circular central tube 1 and being integrally formed is set to
The cooling fin 2 of 1 outer wall of heart cylinder, cooling fin 2 it is in a strip shape and along the axis direction of central tube 1 be arranged, the both ends of cooling fin 2 respectively with
The both ends of central tube 1 align, and cooling fin 2 has multiple and is uniformly distributed around the circumference of central tube 1.
As shown in Figures 2 and 3, one end of side of the cooling fin 2 far from central tube 1 opens up jagged (not marking in figure), more
A notch forms a circle annular notch 3, and the inner wall of annular notch 3 includes being parallel to the first inner wall 4 of 1 axis of central tube and hanging down
Directly in the second inner wall 5 of 1 axis of central tube.LED lamp heat sink further includes the light bulb 6 for connecting radiator, and light bulb 6 is certainly annular
3 place end cap of recess is connected to outside multiple cooling fins 2, and light bulb 6 in annular notch 3 and is connected to towards the end of cooling fin 2
Second inner wall 5;Light bulb 6 is threadedly connected to the first inner wall 4.
Lamps and lanterns are connect with light bulb 6, and light bulb 6 connects cooling fin 2, and the heat that lamps and lanterns generate passes through cooling fin 2 timely and effectively
It absorbs and distributes.Light bulb 6 is socketed on outside a circle cooling fin 2, light bulb 6 is rotated, is threadedly coupled light bulb 6 with the first inner wall 4, after
And it is firmly installed the abutting of light bulb 6 in the second inner wall 5, and then by light bulb 6, so that light bulb 6 is connect more with the installation of cooling fin 2
Add efficient and convenient.Light bulb 6 towards the end of cooling fin 2 in the annular notch 3, conducive to the outer of 6 outer wall of light bulb and cooling fin 2 is made
Side keeps smooth, is also conducive to light bulb 6 and abuts to the second inner wall 5 and carry out more acurrate convenient positioning to the installation site of light bulb 6.
As shown in Figure 1, the inner wall of central tube 1 is integrally formed in a strip shape and be parallel to the heat dissipation inner sheet of 1 axis of central tube
8, heat dissipation inner sheet 8 is equipped with multiple and is uniformly distributed around the circumference of central tube 1, takes full advantage of the space in central tube 1, dissipates
The setting of hot inner sheet 8 is so that lamps and lanterns heat is absorbed more sufficiently and the effect of cross-ventilation heat dissipation is more preferable.
The ratio between the number of inner sheet 8 and the number of cooling fin 2 of radiating are 1:3, and each heat dissipation inner sheet 8 is right against wherein
Gap between two abutting fins 2 is a gap, each adjacent two heat dissipation inner sheet 8 that is, between each adjacent two cooling fin 2
There are two gaps between the gap of institute's face.The flowing space of the air in central tube 1 is bigger, and lamps and lanterns heat dissipation effect is more preferable;
On the other hand, the difficulty of processing of heat dissipation inner sheet 8 is smaller, reduces the processing cost of heat dissipation inner sheet 8.
As depicted in figs. 1 and 2, the circular mounting plate 9 of 1 axis of central tube, central tube 1 are provided perpendicular in central tube 1
It is fixedly sheathed in outside mounting plate 9, an end face of mounting plate 9 is with central tube 1 close to one end flush of annular notch 3.In heat dissipation
Piece 8 is abutted against close to one end of annular notch 3 with mounting plate 9;Mounting plate 9 opens that there are four the mounting holes that pass through for electrical wire of lamp
10.Convenient for the related lamp cap in light bulb 6 to be attached with mounting plate 9, mounting hole 10 is used for related electric wire and passes through mounting plate 9.
The inner wall of central tube 1 is further fixed on four even circumferential distributions and along the card column 19 of central tube 1 being axially arranged, card
The both ends of column 19 and the both ends of heat dissipation inner sheet 8 align;Card column 19 is bayonet towards the side of 1 axis of central tube, and bayonet is along card
The length direction of column 19 is arranged and penetrates through the both ends of the surface of card column 19, and the cross section of bayonet is in major arc shape.Pass through the bayonet of card column 19
Conducive to the relevant locating rod of insertion, and then the installation for being conducive to radiator is fixed.
One end end face of the cooling fin 2 far from annular notch 3 is inclined surface 18, has the effect of saving 2 material of cooling fin.
Cooling fin 2 offers the recessed portion 7(close to notch referring to Fig. 3), multiple recessed portions 7 far from the side of central tube 1
Circumference around central tube 1 is distributed;Recessed portion 7 has anti-skidding effect, when connecting light bulb 6 and cooling fin 2,2 He of cooling fin
Central tube 1 is less susceptible to slide from hand.
As shown in Figure 2 and Figure 4, the inner wall of light bulb 6 is provided with the ring block 14 of the rectangular triangle in section, ring block 14
Outer surface includes that fixation is attached at the annular surface (not marking in figure) of 6 inner wall of light bulb, perpendicular to the planar annular 15 of 6 axis of light bulb
And the annular slope 16 being connected with annular surface and planar annular 15;The connecting line of annular slope 16 and annular surface with
End flush of the light bulb 6 far from cooling fin 2.It is distributed and connects integrally formed with multiple axial directions along light bulb 6 on annular slope 16
Annular protrusion 17 into a ladder, direction of the diameter of multiple annular protrusions 17 from towards central tube 1 to far from central tube 1 is successively
Increase.
Annular slope 16 on ring block 14 has the effect of that anti-dazzle, the light that lamps and lanterns irradiate in light bulb 6 are less susceptible to
Damage the eyes of people;Annular protrusion 17 on annular slope 16 further increases anti-dazzle light effect.
As shown in Fig. 2, the opposite sides of multiple cooling fins 2 is provided with fixed strip 11, the length direction of fixed strip 11 with
The length direction of cooling fin 2 is identical, and the opposite sides end of fixed strip 11 is respectively and fixedly connected in two neighboring cooling fin 2.Fixed strip 11
Have the effect of increase by 2 structural strength of cooling fin, reduce cooling fin 2 in the presence of a harsh environment compressive deformation the case where.
In conjunction with Fig. 3, the first inner wall 4 for being connected and fixed each adjacent two cooling fin 2 of item 11 is connected with connection sheet 13, connection
Surface of the piece 13 far from central tube 1 and 4 flush of the first inner wall, light bulb 6 is threadedly coupled with connection sheet 13, i.e., in connection sheet 13
External screw thread is connected with the external screw thread on the first inner wall 4.Light bulb 6 is threadedly coupled with connection sheet 13, so that light bulb 6 and the first inner wall
4 threaded connection is more firm, and then light bulb 6 connect with cooling fin 2 and more consolidates.
One of fixed strip 11 offers screw hole 12, and screw hole 12 penetrates through fixed strip 11 and is respectively facing and far from central tube 1
Opposite end surface, consequently facilitating accordingly installation screw rod be threadedly coupled with screw hole 12 and by cooling fin 2 and central tube 1 and lamp
Tool carries out hanging installation and fixes, more convenient to the installation of radiator and lamps and lanterns.
Above-described embodiment is only the explanation to the utility model, is not limitations of the present invention, this field
Technical staff can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but only
It will be in the scope of the claims of the utility model all by the protection of Patent Law.
Claims (9)
1. a kind of LED lamp heat sink, it is characterized in that: including circular central tube (1) and the heat dissipation for being set to central tube (1) outer wall
Piece (2), the cooling fin (2) is in a strip shape and is arranged along the axis direction of central tube (1), the both ends difference of the cooling fin (2)
It aligns with the both ends of central tube (1), the cooling fin (2) is equipped with multiple and is uniformly distributed around the circumference of central tube (1);
One end of side of the cooling fin (2) far from central tube (1) is equipped with notch, and multiple notches form a circle annular notch
(3), the inner wall of the annular notch (3) includes being parallel to first inner wall (4) of central tube (1) axis and perpendicular to central tube
(1) the second inner wall (5) of axis;It further include for connecting the light bulb of radiator (6), the light bulb (6) is from annular notch (3) institute
Multiple cooling fins (2) are connected to outside in end cap, and the light bulb (6) in annular notch (3) and is supported towards the end of cooling fin (2)
It is connected to the second inner wall (5);The light bulb (6) is threadedly connected to the first inner wall (4).
2. a kind of LED lamp heat sink according to claim 1, it is characterized in that: the cooling fin (2) is far from central tube (1)
Side be equipped with close to notch recessed portion (7), multiple recessed portions (7) around central tube (1) circumference be distributed.
3. a kind of LED lamp heat sink according to claim 1, it is characterized in that: it is in item that the inner wall of the central tube (1), which is equipped with,
Shape and the heat dissipation inner sheet (8) for being parallel to central tube (1) axis, the heat dissipation inner sheet (8) are equipped with multiple and around central tube (1) axis
The distribution of line even circumferential.
4. a kind of LED lamp heat sink according to claim 3, it is characterized in that: the number of heat dissipation inner sheet (8) with it is described
The ratio between number of cooling fin (2) is 1:3, and each described heat dissipation inner sheet (8) is right against two of them abutting fins (2)
Between gap.
5. a kind of LED lamp heat sink according to claim 3, it is characterized in that: being provided with mounting plate in the central tube (1)
(9), the central tube (1) is fixedly sheathed in mounting plate (9) outside, and near-ring is leaned in an end face and central tube (1) for the mounting plate (9)
One end flush of shape recess (3);Heat dissipation inner sheet (8) abuts against close to the one end of annular notch (3) with mounting plate (9);
The mounting plate (9) is equipped with multiple mounting holes (10) passed through for electrical wire of lamp.
6. a kind of LED lamp heat sink according to claim 1, it is characterized in that: the opposite sides of multiple cooling fins (2)
It is equipped with fixed strip (11), the length direction of the fixed strip (11) is identical as the length direction of cooling fin (2), the fixed strip
(11) opposite sides end is respectively and fixedly connected in two neighboring cooling fin (2).
7. a kind of LED lamp heat sink according to claim 6, it is characterized in that: one of them described fixed strip (11) is equipped with
Screw hole (12), screw hole (12) perforation fixed strip (11) is respectively facing and the opposite end surface far from central tube (1).
8. a kind of LED lamp heat sink according to claim 6, it is characterized in that: being connected and fixed each adjacent two of item (11)
The first inner wall (4) of the cooling fin (2) is connected with connection sheet (13), surface of the connection sheet (13) far from central tube (1)
With the first inner wall (4) flush, the light bulb (6) is threadedly coupled with connection sheet (13).
9. a kind of LED lamp heat sink according to claim 1, it is characterized in that: the inner wall of the light bulb (6) is in equipped with section
The ring block (14) of right angled triangle, the outer surface of the ring block (14) include the fixed annular for being attached at light bulb (6) inner wall
Curved surface, the planar annular (15) perpendicular to light bulb (6) axis and the ring that is connected with annular surface and planar annular (15)
Shape inclined-plane (16);The annular slope (16) is equal far from the end of cooling fin (2) with the connecting line of annular surface with light bulb (6)
Together;The annular slope (16) is equipped with multiple axial distributions along light bulb (6) and is linked to be stair-stepping annular protrusion (17), multiple
Direction of the diameter of the annular protrusion (17) from towards central tube (1) to far from central tube (1) is sequentially increased.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821181146.0U CN208442803U (en) | 2018-07-24 | 2018-07-24 | A kind of LED lamp heat sink |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821181146.0U CN208442803U (en) | 2018-07-24 | 2018-07-24 | A kind of LED lamp heat sink |
Publications (1)
Publication Number | Publication Date |
---|---|
CN208442803U true CN208442803U (en) | 2019-01-29 |
Family
ID=65085442
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201821181146.0U Expired - Fee Related CN208442803U (en) | 2018-07-24 | 2018-07-24 | A kind of LED lamp heat sink |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN208442803U (en) |
-
2018
- 2018-07-24 CN CN201821181146.0U patent/CN208442803U/en not_active Expired - Fee Related
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190129 |