CN202835280U - Radiator structure of lamp - Google Patents
Radiator structure of lamp Download PDFInfo
- Publication number
- CN202835280U CN202835280U CN2012203745544U CN201220374554U CN202835280U CN 202835280 U CN202835280 U CN 202835280U CN 2012203745544 U CN2012203745544 U CN 2012203745544U CN 201220374554 U CN201220374554 U CN 201220374554U CN 202835280 U CN202835280 U CN 202835280U
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- CN
- China
- Prior art keywords
- sheet metal
- radiating part
- spreader structures
- heat spreader
- groove
- 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
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Abstract
The utility model relates to the technical field of lamp radiation, and discloses a radiator structure of a lamp. A body of the radiator structure is formed by connecting a left housing with a right housing; a plurality of radiation location holes are formed in the body; and metal sheets are embedded in positions on the inner side of the body corresponding to the radiation location holes, extend towards the middle of the body to form support parts, and serve as preinstalled pieces to be formed with the body integrally. The radiator structure can be subjected to injection molding only by a pair of moulds; the manufacturing processes are reduced; the production efficiency is improved; the manufacturing cost is saved; and the heat transfer performance and the heat radiation performance of a radiator are improved.
Description
Technical field
The utility model relates to light fixture heat dissipation technology field, refers in particular to a kind of by imbedding thermal conductive metal plate to improve the structure-improved of its thermal diffusivity in the radiator of light fixture.
Background technology
LED(Light Emitting Diode), light emitting diode is a kind of solid-state semiconductor devices, and it can directly be converted into light to electricity; The LED lamp is to use the high brightness LED light emitting source, and light efficiency is high, little power consumption, and easy to control, non-maintaining, safety and environmental protection are solid cold light sources of new generation, its low-loss, low energy consumption, environmental protection, the long long-time illumination of applicable family and other various public places; Yet during owing to the work of LED lamp, the Lights section easily produces amount of heat, and is loose if these heats can not effectively pass, and can accelerate light fixture and wear out, and shortens the normal service life of light fixture; Although, existing LED lamp adopts has mostly increased thermal component at the light source place, to reduce heat to the impact of light fixture, but the most of thermal conductivity factors of the thermal component of these LED lamps are on the low side, and packaging technology is loaded down with trivial details, and need to open different moulds because radiating requirements is different, these thermal component material therefor (as: copper) prices are higher in addition, need higher production cost, and aobvious its improved necessity.
Summary of the invention
The purpose of this utility model is to overcome weak point of the prior art and heat spreader structures that a kind of light fixture is provided, and this heat spreader structures has reduced production process, has improved production efficiency, has saved production cost, has improved the biography heat dispersion of radiator.
For achieving the above object, the utility model adopts following technical scheme:
A kind of heat spreader structures of light fixture, its body is formed by connecting by left shell and right shell body, a plurality of heat radiation locating holes are set on the described body, be embedded with sheet metal in the inboard correspondence of this body position of positioning hole of respectively dispelling the heat, each sheet metal extends to form picking-up section in the middle of body, each sheet metal is as default part, with this body by integral forming.
Have at least one connecting hole on described each sheet metal, each sheet metal passes through connecting hole, correspondence is arranged on the corresponding heat radiation locating hole, the size of each connecting hole is big or small consistent with the heat radiation locating hole, and the connecting hole quantity on the unit metal sheet is consistent with the heat radiation locating hole quantity that this sheet metal is connected to the body correspondence position.
Described body adopts the mould injection molding method to make.
Described body forms hollow structure by fasten relative with right shell body of left shell, the body front end is extended with flange to the center, this flange cooperates with the picking-up section of sheet metal and is formed with groove, body connects a light source aluminium base by groove, be formed centrally a mounting groove in this body, be provided with pcb board in the mounting groove, this pcb board is electrically connected with the light source aluminium base, the body rear end is provided with metal contact, and this metal contact and pcb board are electrically connected.
Described external surface is formed with a plurality of main radiating parts and secondary radiating part, mutually equi-spaced apart setting between main radiating part and secondary radiating part.
Described each main radiating part and secondary radiating part front end extend forward, and in the elongated end end all to the bending of body center, form the Shu Hezhuan structure, the body front end connects a lampshade by bending part, this lampshade is formed with groove being put by Shu Hewei, main radiating part wherein is the list structure that has at least one radiating groove above, and secondary radiating part is a unit radiating fin.
The beneficial effects of the utility model are: it is by imbedding a plurality of sheet metals in radiator, to improve the overall thermal conductivity energy of radiator, so that radiator reaches better biography radiating effect, body is fastened by left shell and right shell body and forms, and is easy to assembly; Heat spreader structures only needs plastic once secondary mould, has reduced production process, has improved production efficiency, has saved production cost.
Description of drawings
Fig. 1 is the explosive view of tool LED lamp of the present utility model;
Fig. 2 is the structural representation of the utility model left shell.
The specific embodiment
The utility model is described in further detail below in conjunction with Figure of description.
Shown in Fig. 1-2, the utility model is about a kind of heat spreader structures of light fixture, its body 1 is connected relatively by left shell, and fastening forms hollow structure with right shell body, this body 1 adopts the mould injection molding method to make, a plurality of heat radiation locating holes 11 are set on the body 1, and body 1 front end is extended with flange 12 to the center.
Body 1 outer surface is formed with a plurality of main radiating parts 13 and secondary radiating part 14,14 mutual equi-spaced apart settings of main radiating part 13 and secondary radiating part, each main radiating part 13 and secondary radiating part 14 front ends extend forward, and in the elongated end end all to body 1 center bending, form the Shu Hezhuan structure, body 1 front end connects a lampshade 2 by bending part, this lampshade 2 is formed with groove 21 being put by Shu Hewei, main radiating part 13 wherein is the list structure that has at least one radiating groove 16 above, and secondary radiating part 14 is a unit radiating fin.
Be formed centrally a mounting groove 15 in the body 1, be provided with pcb board 3 in the mounting groove 15, body 1 rear end is provided with metal contact 4, and this metal contact 4 is electrically connected with pcb board 3.
Be embedded with sheet metal 5 in this body 1 inboard correspondence locating hole 11 positions of respectively dispelling the heat, each sheet metal 5 is as default part, when body 1 ejection formation, one-body molded with body 1, each sheet metal 5 extends to form picking-up section 51 in the middle of body 1, this picking-up section 51 cooperates with the flange 12 of housing and is formed with groove 16, body 1 snaps in a light source aluminium base 6 by groove 16, this light source aluminium base 6 is electrically connected with pcb board 3, light source aluminium base 6 is when snapping in groove 16, in groove 16, insert heat-conducting cream, occur to avoid the bad situation of heat conduction.
Have at least one connecting hole 52 on each sheet metal 5, each sheet metal 5 is by connecting hole 52, correspondence is arranged on the corresponding heat radiation locating hole 11, the size of each connecting hole 52 is big or small consistent with heat radiation locating hole 11, and connecting hole 52 quantity on the unit metal sheet 5 are consistent with heat radiation locating hole 11 quantity that this sheet metal 5 is connected to body 1 correspondence position.
The heat spreader structures of a kind of light fixture that the utility model discloses, its making step is: at first, mould is prepared: the mould of preparing wherein to be provided with a plurality of locating dowels according to the radiator shape; Secondly, default accessory: after correspondence arranges sheet metal 5 on each locating dowel in mould, closed die; Then, ejection formation: under high flow capacity, high pressure condition, with filling molding in the moulding material injection mould of melting, after in the sheet metal 5 burying forming materials, cool off simultaneously, make the body 1 of radiator; At last, die sinking pickup: open mould, take out the body 1 of radiator; Wherein, sheet metal 5 cooperates plastic cement to be connected on the locating dowel of correspondence position by connecting hole, and body 1 forms a plurality of heat radiation locating holes 11 in the position of corresponding each locating dowel.
The heat spreader structures of a kind of light fixture that the utility model discloses, it is by imbedding a plurality of sheet metals 5, to improve the overall thermal conductivity energy of radiator, so that radiator reaches better biography radiating effect in radiator, body 1 is fastened by left shell and right shell body and forms, and is easy to assembly; Heat spreader structures only needs plastic once secondary mould, has reduced production process, has improved production efficiency, has saved production cost.
The above only is to preferred embodiment of the present utility model; be not that scope of the present utility model is limited; therefore under the prerequisite that does not break away from the utility model design spirit; the equivalence that the common engineers and technicians in this area do structure described in the utility model, feature and principle changes or decorates, and all should fall in the protection domain that the utility model applies for a patent.
Claims (6)
1. the heat spreader structures of a light fixture, its body is formed by connecting by left shell and right shell body, it is characterized in that: a plurality of heat radiation locating holes are set on the described body, be embedded with sheet metal in the inboard correspondence of this body position of positioning hole of respectively dispelling the heat, each sheet metal extends to form picking-up section in the middle of body, each sheet metal is as default part, with this body by integral forming.
2. heat spreader structures according to claim 1, it is characterized in that: have at least one connecting hole on described each sheet metal, each sheet metal passes through connecting hole, correspondence is arranged on the corresponding heat radiation locating hole, the size of each connecting hole is big or small consistent with the heat radiation locating hole, and the connecting hole quantity on the unit metal sheet is consistent with the heat radiation locating hole quantity that this sheet metal is connected to the body correspondence position.
3. heat spreader structures according to claim 1 is characterized in that: described body adopts the mould injection molding method to make.
4. heat spreader structures according to claim 1, it is characterized in that: described body forms hollow structure by fasten relative with right shell body of left shell, the body front end is extended with flange to the center, this flange cooperates with the picking-up section of sheet metal and is formed with groove, and body connects a light source aluminium base by groove, is formed centrally a mounting groove in this body, be provided with pcb board in the mounting groove, this pcb board is electrically connected with the light source aluminium base, and the body rear end is provided with metal contact, and this metal contact and pcb board are electrically connected.
5. heat spreader structures according to claim 1, it is characterized in that: described external surface is formed with a plurality of main radiating parts and secondary radiating part, mutually equi-spaced apart setting between main radiating part and secondary radiating part.
6. heat spreader structures according to claim 5, it is characterized in that: described each main radiating part and secondary radiating part front end extend forward, and in the elongated end end all to the bending of body center, form the Shu Hezhuan structure, the body front end connects a lampshade by bending part, this lampshade is formed with groove being put by Shu Hewei, and main radiating part wherein is the list structure that has at least one radiating groove above, and secondary radiating part is a unit radiating fin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203745544U CN202835280U (en) | 2012-07-31 | 2012-07-31 | Radiator structure of lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203745544U CN202835280U (en) | 2012-07-31 | 2012-07-31 | Radiator structure of lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202835280U true CN202835280U (en) | 2013-03-27 |
Family
ID=47946974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012203745544U Expired - Fee Related CN202835280U (en) | 2012-07-31 | 2012-07-31 | Radiator structure of lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202835280U (en) |
-
2012
- 2012-07-31 CN CN2012203745544U patent/CN202835280U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130327 Termination date: 20130731 |