CN109192850B - Heat radiation structure of COB type LED packaging unit - Google Patents
Heat radiation structure of COB type LED packaging unit Download PDFInfo
- Publication number
- CN109192850B CN109192850B CN201811076012.7A CN201811076012A CN109192850B CN 109192850 B CN109192850 B CN 109192850B CN 201811076012 A CN201811076012 A CN 201811076012A CN 109192850 B CN109192850 B CN 109192850B
- Authority
- CN
- China
- Prior art keywords
- wall
- fixedly connected
- side wall
- shell
- pressing plate
- 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.)
- Active
Links
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 27
- 230000005855 radiation Effects 0.000 title claims abstract description 6
- 230000017525 heat dissipation Effects 0.000 claims abstract description 12
- 238000005538 encapsulation Methods 0.000 claims description 14
- 239000000084 colloidal system Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 7
- 239000000428 dust Substances 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 208000033999 Device damage Diseases 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/64—Heat extraction or cooling elements
- H01L33/648—Heat extraction or cooling elements the elements comprising fluids, e.g. heat-pipes
Abstract
The invention relates to a heat radiation structure of a COB type LED packaging unit, which comprises a shell and is characterized in that the shell is of a hollow structure, a packaging base is arranged on the inner wall of the lower end of the shell, a driving motor is fixedly connected to the inner wall of one side of the shell, cams matched with an output shaft of the driving motor are arranged on the driving motor, two vertically arranged hydraulic telescopic rods are fixedly connected to the inner wall of the lower end of the shell, the hydraulic telescopic rods are respectively arranged on two sides of the packaging base, a transversely arranged pressing plate is fixedly connected between the upper side walls of the two hydraulic telescopic rods, the upper side walls of the pressing plate are propped against the cams, a first spring is sleeved on the upper side wall of the hydraulic telescopic rod, air inlets are formed in the side walls of two sides of the shell, and a plurality of air outlets are formed in the side walls of the lower end of the shell. According to the invention, the pressing plate is lifted by the cam and the spring, air is extruded out of the shell through lifting of the pressing plate, heat is taken away, and an excellent heat dissipation effect is achieved.
Description
Technical Field
The invention relates to the technical field of heat dissipation of packaging units, in particular to a heat dissipation structure of a COB type LED packaging unit.
Background
The COB type LED package is characterized in that a bare chip is adhered to an interconnection substrate by conductive or non-conductive adhesive, and then wire bonding is performed to realize electrical connection, compared with direct insertion type and SMD, the COB type LED package is characterized in that space is saved, packaging operation is simplified, a large amount of heat is generated by a packaging base during working, and the service life of the packaging base is reduced when the packaging base is in a high-temperature state for a long time.
When radiating COB type LED encapsulation unit, offer air intake and air outlet at the casing lateral wall, take away encapsulation unit's heat through the circulation of air, reach radiating effect, but the natural circulation of air speed is slow, radiating inefficiency, encapsulation unit has a large amount of heat unable timely effluviums of during operation, work can reduce its life under high temperature environment, for this reason, we propose a heat radiation structure of COB type LED encapsulation unit to solve above-mentioned problem.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, the natural circulation speed of air is low, the heat dissipation efficiency is low, a large amount of heat cannot be dissipated in time when a packaging unit works, and the service life of the packaging unit can be reduced when the packaging unit works in a high-temperature environment.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: the utility model provides a heat radiation structure of COB type LED encapsulation unit, includes the casing, the casing is hollow structure, the lower extreme inner wall of casing is equipped with encapsulation base, and one side inner wall fixedly connected with driving motor of casing, be equipped with the cam rather than the output shaft matches on the driving motor, the hydraulic telescoping rod of two vertical settings of lower extreme inner wall fixedly connected with of casing, and hydraulic telescoping rod is located encapsulation base's both sides setting respectively, two fixedly connected with transversely set up clamp plate between the upper end lateral wall of hydraulic telescoping rod, and the upper end lateral wall of clamp plate offsets with the cam and set up, the upper end lateral wall cover of hydraulic telescoping rod is equipped with first spring, the inlet port has all been seted up to the both sides lateral wall of casing, and a plurality of ventholes have been seted up to the lower extreme lateral wall of casing.
Preferably, the upper end side wall of the pressing plate is provided with a groove matched with the cam, and the length of the groove is larger than the width of the cam.
Preferably, the lower extreme lateral wall of clamp plate rotates respectively through two pivots and is connected with the swinging arms that two slopes set up, and two swinging arms are located the both sides setting of cam respectively, two the equal fixedly connected with brush of lower extreme lateral wall of swinging arms, and the lateral wall of two swinging arms is all through the lower extreme lateral wall fixed connection of arc rubber stick with the clamp plate.
Preferably, the upper end inner wall fixedly connected with connecting block of casing, the lower extreme lateral wall of connecting block passes through second spring and driving motor's upper end lateral wall fixed connection.
Preferably, the side wall of the shell far away from the driving motor is provided with an opening, the side wall of the opening is rotationally connected with a baffle through a second rotating shaft, the side wall of the baffle is provided with a fixing pin, and the fixing pin penetrates through the baffle and the side wall of the opening.
Preferably, waterproof breathable films are arranged in the air inlet holes and the air outlet holes, and the waterproof breathable films are connected to the side walls of the air inlet holes and the air outlet holes through colloid adhesion.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
1. the cam is utilized to rotate to press the pressing plate to descend, air in the shell is extruded out through the air outlet holes when the pressing plate descends, and heat is transferred out by utilizing high-speed circulation of the air, so that the exchange rate of the air in the shell and the outside air is faster, the heat dissipation effect of the packaging unit is improved, and the service life of the packaging unit is prolonged;
2. the cam is in the recess of the upper end lateral wall of clamp plate, under the recess restriction effect, can guarantee can not take place the skew when the cam rotates, avoid the cam to support the clamp plate because of the skew, make the device damage unable use, utilize the clamp plate to extrude the swinging arms when descending in addition, brush the dust on the encapsulation base with the brush, detach the dust on the encapsulation base, guarantee encapsulation base clean, extension encapsulation base's life.
Drawings
Fig. 1 is a schematic structural diagram of a heat dissipation structure of a COB type LED package unit according to the present invention;
fig. 2 is a schematic diagram of the structure at a in fig. 1.
In the figure: 1 a shell, 2 a packaging base, 3 a driving motor, 4 a cam, 5 a hydraulic telescopic rod, 6 a pressing plate, 7 a first spring, 8 an air inlet hole, 9 an air outlet hole, 10 a groove, 11 a first rotating shaft, 12 a swinging rod, 13 a hairbrush, 14 an arc-shaped rubber rod, 15 a connecting block, 16 a second spring, 17 an opening, 18 a second rotating shaft, 19 a baffle plate and 20 a fixing pin.
Detailed Description
The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Referring to fig. 1-2, a heat dissipation structure of a COB type LED package unit includes a housing 1, the housing 1 is of a hollow structure, a side wall of the housing 1 far away from a driving motor 3 is provided with an opening 17, a side wall of the opening 17 is rotatably connected with a baffle 19 through a second rotating shaft 18, a side wall of the baffle 19 is provided with a fixing pin 20, the fixing pin 20 penetrates through the baffle 19 and the side wall of the opening 17, when detection and maintenance are needed, the fixing pin 20 can be pulled out, the baffle 19 is opened, the internal condition can be clearly observed from the opening 17 and maintained, the baffle 19 is covered after the maintenance is completed, the fixing pin 20 is inserted, and the baffle 19 can be fixed and cannot swing easily;
the inner wall of the upper end of the shell 1 is fixedly connected with a connecting block 15, the side wall of the lower end of the connecting block 15 is fixedly connected with the side wall of the upper end of the driving motor 3 through a second spring 16, when the driving motor 3 vibrates during operation, the second spring 16 can lighten the vibration degree of the driving motor 3 and ensure the safe and stable operation of the driving motor 3, the inner wall of the lower end of the shell 1 is provided with a packaging base 2, the COB type LED packaging base 2 is formed by adhering a bare chip on an interconnection substrate through conductive or non-conductive adhesive, and then wire bonding is carried out to realize the electrical connection of the bare chip, so that the space can be saved and the packaging operation can be simplified;
the inner wall of one side of the shell 1 is fixedly connected with a driving motor 3, the driving motor 3 is provided with a cam 4 matched with an output shaft of the driving motor, the driving motor 3 drives the cam 4 to rotate, the pressing plate 6 is extruded by utilizing the bulge of the cam 4 to descend, the inner wall of the lower end of the shell 1 is fixedly connected with two vertically arranged hydraulic telescopic rods 5, the hydraulic telescopic rods 5 are respectively arranged on two sides of the packaging base 2, the hydraulic telescopic rods 5 can play a role of supporting the pressing plate 6, and the hydraulic telescopic rods 5 are compressed when the pressing plate 6 descends, so that the pressing plate 6 can conveniently extrude air in the shell 1, and meanwhile take away heat in the shell 1;
a pressing plate 6 which is transversely arranged is fixedly connected between the side walls of the upper ends of the two hydraulic telescopic rods 5, a groove 10 matched with the cam 4 is formed in the side wall of the upper end of the pressing plate 6, the length of the groove 10 is larger than the width of the cam 4, the groove 10 can limit the cam 4, the cam 4 cannot deviate due to unbalance friction force with the pressing plate 6 when rotating, the phenomenon that the cam 4 cannot effectively press the pressing plate 6 due to deviation is avoided, in addition, the length of the groove 10 is long enough, and the cam 4 can be prevented from sliding out of the groove 10;
the lower end side wall of the pressing plate 6 is respectively connected with two swinging rods 12 which are obliquely arranged in a rotating way through two first rotating shafts 11, the two swinging rods 12 are respectively arranged at two sides of the cam 4, the lower end side walls of the two swinging rods 12 are fixedly connected with brushes 13, the side walls of the two swinging rods 12 are fixedly connected with the lower end side wall of the pressing plate 6 through arc-shaped rubber rods 14, when the pressing plate 6 descends, the swinging rods 12 and the brushes 13 descend along with the pressing plate 6, when the brushes 13 contact the packaging base 2, the pressing plate 6 continuously extrudes the swinging rods 12, the two swinging rods 12 swing along the two first rotating shafts 11 in directions away from each other respectively, the brushes 13 rub on the upper end side wall of the packaging base 2, the brushes 13 can brush dust at the upper end of the packaging base 2, and meanwhile soft brushes 13 are used for avoiding the brushes 13 from damaging leads of the packaging base 2;
the upper side wall of the pressing plate 6 is propped against the cam 4, when the cam 4 rotates, the pressing plate 6 can be propped to descend, downward pressure is generated when the pressing plate 6 descends, gas in the pressing shell 1 flows out of the gas outlet hole 9, the upper side wall of the hydraulic telescopic rod 5 is sleeved with a first spring 7, when the pressing plate 6 descends, the hydraulic telescopic rod 5 is extruded to be compressed, meanwhile, the first spring 7 is extruded to be compressed, the first spring 7 is deformed, when the cam 4 rotates to the second half circle, the force for extruding the pressing plate 6 disappears, the first spring 7 is recovered to deform, the pressing plate 6 is jacked up under the action of rebound force to ascend, the pressing plate 6 drives the hydraulic telescopic rod 5 to stretch, upward suction force is generated when the pressing plate 6 ascends, and external air is sucked into the shell 1 through the gas inlet hole 8, so that quick circulation of the gas in the shell 1 is completed;
the air inlet hole 8 has all been seted up to the both sides lateral wall of casing 1, and a plurality of ventholes 9 have been seted up to the lower extreme lateral wall of casing 1, all be equipped with waterproof ventilated membrane in inlet hole 8 and the venthole 9, under the state of steam, the water granule is very tiny, can permeate the capillary to the opposite side smoothly according to the principle of capillary motion, thereby take place the ventilative phenomenon, and waterproof ventilated membrane passes through the colloid bonding and connects on the lateral wall of inlet hole 8 and venthole 9, use the colloid can play better sealed effect to inlet hole 8 and venthole 9, reduce the dust and get into in the casing 1, casing 1 inside air is discharged from venthole 9 when clamp plate 6 descends, outside air gets into casing 1 from inlet hole 8 when clamp plate 6 rises, this has just realized the inside quick high-efficient exchange with outside air of casing 1, play good radiating effect.
When the shell 1 is subjected to heat dissipation, the driving motor 3 is turned on to drive the cam 4 to rotate, the pressing plate 6 is pressed down when the cam 4 rotates, air in the shell 1 is pressed out of the air outlet hole 9 when the pressing plate 6 descends, heat in the shell 1 is taken away by air circulation, the hydraulic telescopic rod 5 and the first spring 7 are compressed when the pressing plate 6 descends, the force of the pressing plate 6 is gradually reduced when the cam 4 rotates to the second half circle, the first spring 7 is gradually recovered to deform, the pressing plate 6 is jacked up under the action of rebound force to ascend, the pressing plate 6 drives the hydraulic telescopic rod 5 to stretch, and when the pressing plate 6 ascends, external air enters the shell 1 through the air inlet hole 8 until the cam 4 starts to rotate for a new circle, so that the reciprocating motion can realize the rapid and efficient exchange between the inside of the shell 1 and external air, and an excellent heat dissipation effect is achieved.
The above embodiments are provided to illustrate the technical concept and features of the present invention and are intended to enable those skilled in the art to understand the content of the present invention and implement the same, and are not intended to limit the scope of the present invention. All equivalent changes or modifications made in accordance with the spirit of the present invention should be construed to be included in the scope of the present invention.
Claims (6)
1. The utility model provides a heat radiation structure of COB type LED encapsulation unit, includes casing (1), its characterized in that, casing (1) is hollow structure, the lower extreme inner wall of casing (1) is equipped with encapsulation base (2), and one side inner wall fixedly connected with driving motor (3) of casing (1), be equipped with on driving motor (3) rather than output shaft matched cam (4), the lower extreme inner wall fixedly connected with of casing (1) two hydraulic telescoping rods (5) of vertical setting, and hydraulic telescoping rod (5) are located the both sides setting of encapsulation base (2) respectively, two fixedly connected with clamp plate (6) of horizontal setting between the upper end lateral wall of hydraulic telescoping rod (5), and the upper end lateral wall of clamp plate (6) offsets and sets up with cam (4), the upper end lateral wall cover of hydraulic telescoping rod (5) is equipped with first spring (7), inlet port (8) have all been seted up to the both sides lateral wall of casing (1), and a plurality of ventholes (9) have been seted up to the lower extreme lateral wall of casing (1).
2. The heat dissipation structure of a COB type LED package unit according to claim 1, wherein a groove (10) matching with the cam (4) is formed on the upper end side wall of the pressing plate (6), and the length of the groove (10) is larger than the width of the cam (4).
3. The heat dissipation structure of a COB type LED package unit according to claim 1, wherein the lower end side wall of the pressing plate (6) is respectively connected with two swinging rods (12) which are obliquely arranged through two first rotating shafts (11), the two swinging rods (12) are respectively located at two sides of the cam (4), brushes (13) are fixedly connected to the lower end side walls of the two swinging rods (12), and the side walls of the two swinging rods (12) are fixedly connected with the lower end side wall of the pressing plate (6) through arc-shaped rubber rods (14).
4. The radiating structure of the COB type LED packaging unit according to claim 1, wherein a connecting block (15) is fixedly connected to the inner wall of the upper end of the housing (1), and the side wall of the lower end of the connecting block (15) is fixedly connected with the side wall of the upper end of the driving motor (3) through a second spring (16).
5. The radiating structure of the COB type LED packaging unit according to claim 1, wherein the side wall of the shell (1) far away from the driving motor (3) is provided with an opening (17), the side wall of the opening (17) is rotatably connected with a baffle plate (19) through a second rotating shaft (18), the side wall of the baffle plate (19) is provided with a fixing pin (20), and the fixing pin (20) penetrates through the baffle plate (19) and the side wall of the opening (17).
6. The heat dissipation structure of a COB type LED package unit according to claim 1, wherein waterproof and breathable films are respectively arranged in the air inlet hole (8) and the air outlet hole (9), and the waterproof and breathable films are connected to the side walls of the air inlet hole (8) and the air outlet hole (9) through colloid bonding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811076012.7A CN109192850B (en) | 2018-09-14 | 2018-09-14 | Heat radiation structure of COB type LED packaging unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811076012.7A CN109192850B (en) | 2018-09-14 | 2018-09-14 | Heat radiation structure of COB type LED packaging unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109192850A CN109192850A (en) | 2019-01-11 |
| CN109192850B true CN109192850B (en) | 2024-03-05 |
Family
ID=64911459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811076012.7A Active CN109192850B (en) | 2018-09-14 | 2018-09-14 | Heat radiation structure of COB type LED packaging unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109192850B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110102543B (en) * | 2019-05-09 | 2022-08-19 | 宿州学院 | Cleaning device of computer artificial intelligent information screening system |
| CN112165046A (en) * | 2020-09-15 | 2021-01-01 | 徐玲 | Sunlight-proof self-heat-dissipation bridge |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108471508A (en) * | 2018-05-28 | 2018-08-31 | 合肥盛尔威工业设备股份有限公司 | A kind of tv shell with heat sinking function |
| CN208873765U (en) * | 2018-09-14 | 2019-05-17 | 盐城东紫光电科技有限公司 | A kind of radiator structure of COB type LED package unit |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI338830B (en) * | 2008-01-11 | 2011-03-11 | Wistron Corp | Heat-dissipating module having a dust-removing mechanism and assembly of an electronic device and the heat-dissipating module |
-
2018
- 2018-09-14 CN CN201811076012.7A patent/CN109192850B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108471508A (en) * | 2018-05-28 | 2018-08-31 | 合肥盛尔威工业设备股份有限公司 | A kind of tv shell with heat sinking function |
| CN208873765U (en) * | 2018-09-14 | 2019-05-17 | 盐城东紫光电科技有限公司 | A kind of radiator structure of COB type LED package unit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109192850A (en) | 2019-01-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109192850B (en) | Heat radiation structure of COB type LED packaging unit | |
| CN203955454U (en) | A kind of microelectronic industry automatic glue spreading device | |
| CN112510547A (en) | Energy-efficient electronic box with air cooling fins | |
| CN112460501A (en) | High-power LED lamp | |
| CN208873765U (en) | A kind of radiator structure of COB type LED package unit | |
| CN208569469U (en) | A kind of high-efficient heat-dissipating computer rear cover | |
| CN212733181U (en) | Camera lens dust collector | |
| CN114710948A (en) | Stabilizing device of LED chip mounter and using method thereof | |
| CN209294028U (en) | A kind of permanent-magnetic variable-frequency energy-saving pressurized water pump | |
| CN112601427A (en) | Thing networking gateway with dust removal function | |
| CN208020733U (en) | A kind of film sticking apparatus prepared for heat conduction rubber cushion | |
| CN209042004U (en) | A kind of high-power embedded LED light | |
| CN211204726U (en) | Quick drying device for box pasting machine | |
| CN218124733U (en) | Household wireless network communication device | |
| CN211321920U (en) | SMT paster machine that can paste many sizes of components is with pasting dress head | |
| CN208116286U (en) | A kind of LED lamp ultrasonic cleaning equipment with Quick-air-drying function | |
| CN220292489U (en) | Big data processing data acquisition platform | |
| CN112492852B (en) | Short video information mining device based on artificial intelligence | |
| CN219368200U (en) | Rubber sealing ring's film sunning frame | |
| CN211744646U (en) | Rack for communication transmission equipment | |
| CN214799509U (en) | Intelligent gateway communication device | |
| CN214770227U (en) | Servo electric screwdriver damping shell | |
| CN217282487U (en) | Brushless motor radiating component for analyzer | |
| CN212163089U (en) | Direct current brushless motor control switch | |
| CN220082918U (en) | LED lamp device convenient to clean |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20240202 Address after: Room 206, Building 5, No. 128 Jingyuan Road, Ningbo High tech Zone, Ningbo City, Zhejiang Province, 315100 Applicant after: Jingshi Energy Conservation and Environmental Protection Technology (Zhejiang) Co.,Ltd. Country or region after: China Address before: 224000 Photoelectric Industrial Park, No. 66 Lijiang Road, Yancheng Economic and Technological Development Zone, Jiangsu Province Applicant before: YANCHENG DONGZI OPTOELECTRONICS TECHNOLOGY CO.,LTD. Country or region before: China |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |