CN208442803U - A kind of LED lamp heat sink - Google Patents

A kind of LED lamp heat sink Download PDF

Info

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
Authority
CN
China
Prior art keywords
central tube
cooling fin
light bulb
wall
annular
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201821181146.0U
Other languages
Chinese (zh)
Inventor
刘扬德
刘沐铿
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dongguan Fitley Lighting Co Ltd
Original Assignee
Dongguan Fitley Lighting Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dongguan Fitley Lighting Co Ltd filed Critical Dongguan Fitley Lighting Co Ltd
Priority to CN201821181146.0U priority Critical patent/CN208442803U/en
Application granted granted Critical
Publication of CN208442803U publication Critical patent/CN208442803U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • 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

A kind of LED lamp heat sink
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.
CN201821181146.0U 2018-07-24 2018-07-24 A kind of LED lamp heat sink Expired - Fee Related CN208442803U (en)

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)

Similar Documents

Publication Publication Date Title
CN102287727A (en) LED (light emitting diode) down lamp and lamp body thereof
CN208442803U (en) A kind of LED lamp heat sink
CN204901529U (en) LED industrial and mining lamp
CN202203807U (en) LED down lamp and lamp body thereof
CN204629144U (en) Cross-ventilation radiating type LED lamp
CN102305362A (en) Light-emitting diode (LED) tube lamp and lamp body thereof
CN201344388Y (en) LED bulb
CN102287652B (en) Heat-dissipation-type LED (light-emitting diode) lamp with multiple light-emitting surfaces
CN205956924U (en) Piece is moulded to lamps and lanterns
CN204573626U (en) A kind of LED lamp
CN202203905U (en) LED (light emitting diode) cylinder lamp and lamp body thereof
CN208670921U (en) A kind of LED radiating shell
CN201964260U (en) Super large power LED shot-light
CN207298796U (en) LED car lamp radiator
CN205716519U (en) A kind of spherical LED street lamp
CN205746069U (en) A kind of LED street lamp
CN206419925U (en) A kind of heat dissipating housing
CN103807693A (en) Rotating embedded type LED lamp
CN215174850U (en) LED light source assembling system
CN208442802U (en) A kind of LED track lamp radiator
CN103062737A (en) LED radiator
KR101264756B1 (en) A led lamp with dual radiation structure
CN217302520U (en) Ball bulb lamp
CN220688829U (en) Industrial and mining lamp with square lens
CN210662398U (en) High heat dissipation aluminium alloy line lamp

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20190129