CN108488699B - Radiator and projection lamp - Google Patents
Radiator and projection lamp Download PDFInfo
- Publication number
- CN108488699B CN108488699B CN201810374651.5A CN201810374651A CN108488699B CN 108488699 B CN108488699 B CN 108488699B CN 201810374651 A CN201810374651 A CN 201810374651A CN 108488699 B CN108488699 B CN 108488699B
- Authority
- CN
- China
- Prior art keywords
- fin
- fins
- heat sink
- radiator
- heat
- 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
- 230000017525 heat dissipation Effects 0.000 claims abstract description 52
- 238000010273 cold forging Methods 0.000 claims description 14
- 238000002955 isolation Methods 0.000 claims description 14
- 230000003014 reinforcing effect Effects 0.000 claims description 14
- 230000005855 radiation Effects 0.000 claims description 13
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 10
- 229910052782 aluminium Inorganic materials 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 description 22
- 238000004512 die casting Methods 0.000 description 6
- 238000009826 distribution Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 229920001296 polysiloxane Polymers 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/50—Cooling arrangements
- F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
- F21V29/74—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades
- F21V29/77—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks with fins or blades with essentially identical diverging planar fins or blades, e.g. with fan-like or star-like cross-section
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
- F21V29/85—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems characterised by the material
- F21V29/89—Metals
Abstract
The invention discloses a radiator and a projection lamp, wherein the radiator comprises radiating fins and a radiating plate, and the radiating fins are arranged on the radiating plate in a protruding way; the radiating fins comprise a first fin unit and a second fin unit, the first fin unit and the second fin unit are convexly distributed at two opposite ends of the radiating plate, and the first fin unit and the second fin unit are respectively bent towards opposite directions so as to divide the radiating flow direction of the radiator into two opposite radiating flow directions. The heat dissipation flow direction of the radiator is two opposite heat dissipation flow directions, the heat dissipation flow directions are not mutually influenced, and the heat dissipation efficiency is greatly improved.
Description
Technical Field
The invention relates to the field of illumination, in particular to a radiator and a projection lamp.
Background
The existing high-power lamp dissipates heat by using a radiator, the heat dissipation efficiency of the radiator determines the service life of the lamp, but the current design thought of the radiator is only limited by selecting materials with better heat dissipation effect or improving the contact area of fins on the radiator, and the heat dissipation efficiency of the radiator is still low.
Disclosure of Invention
The invention provides a radiator and a projection lamp aiming at the technical problems, so as to solve the technical problem of low radiating efficiency of the radiator in the prior art.
The invention adopts a technical scheme that: the radiator comprises radiating fins and a radiating plate, wherein the radiating fins are arranged on the radiating plate in a protruding mode; the radiating fins comprise a first fin unit and a second fin unit, the first fin unit and the second fin unit are convexly distributed at two opposite ends of the radiating plate, and the first fin unit and the second fin unit are respectively bent towards opposite directions so as to divide the radiating flow direction of the radiator into two opposite radiating flow directions.
The invention adopts another technical scheme that: the utility model provides a profection lamp, this profection lamp include first casing and above-mentioned radiator, and first casing includes first cover body and first apron, and first apron lid seals on first cover body in order to form the first chamber that holds that is used for acceping the power, and first apron is provided with the top to keeping away from the direction protrusion of first chamber that holds and holds, and top butt is on the radiator to form the heat dissipation passageway between first apron and radiator.
The beneficial effects of the invention are as follows: the radiator is made by cold forging process, and compared with the radiator made by die casting process, the radiator made by cold forging process has a tighter structure, and the radiating fins can be made thinner, namely on the radiating plate with the same surface area, the radiating fins of the radiator made by cold forging process can be arranged more, the radiating effect is better, and the heat conductivity coefficient of the cold forging radiator made by aluminum 1060 or aluminum 1070 is 262W/m.K, which is 3 times higher than that of the die casting radiator. In addition, the first fin unit and the second fin unit are respectively bent towards opposite directions, wind in the air enters the radiating fins, the wind can walk along the first fin unit and the second fin unit, when the first fin unit and the second fin unit are respectively bent towards opposite directions, the wind is naturally separated into wind walking towards two opposite directions, and the two wind walking towards opposite directions can effectively ensure that the wind can bring high-temperature air to the place with low temperature, so that the wind is prevented from bringing the high-temperature air to the place with higher temperature or the place with equivalent temperature, and the radiating efficiency is further improved.
Drawings
For a clearer description of the technical solutions in the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:
FIG. 1 is a schematic diagram illustrating an assembled structure of a projector according to an embodiment of the present invention;
FIG. 2 is a schematic perspective view of the heat sink of FIG. 1 according to the present invention;
FIG. 3 is a schematic cross-sectional view in the direction III-III of FIG. 1 in accordance with the present invention;
FIG. 4 is a schematic perspective view of a view of the first cover plate of FIG. 3 according to the present invention;
FIG. 5 is a schematic perspective view of another view of the first cover plate of FIG. 3 according to the present invention;
fig. 6 is a partial enlarged view of the area a in fig. 3.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present invention are shown in the drawings. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The terms "first" and "second" in the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise. All directional indications (such as up, down, left, right, front, back … …) in embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a particular gesture (as shown in the drawings), and if the particular gesture changes, the directional indication changes accordingly. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion. Such as a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those listed or inherent to such process, method, article, or apparatus but may optionally include other steps or elements not listed or inherent to such process, method, article, or apparatus.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the invention. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.
Referring to fig. 1, fig. 1 is a schematic diagram illustrating an assembly structure of a projection lamp according to an embodiment of the invention.
The projecting lamp of this embodiment may include radiator 10 and first casing 20, and first casing 20 butt is on radiator 10, and first casing 20 is used for installing the power 30 of projecting lamp, and radiator 10 is used for the radiating to the light emitting component of projecting lamp to guarantee that light emitting component can work under suitable temperature, extension light emitting component's life, light emitting component can make LED power 30, high-pressure sodium lamp etc..
The heat sink 10 is a heat sink 10 manufactured by using a cold forging process, the heat sink 10 may include heat dissipation fins 11 and a heat dissipation plate 12, the heat dissipation fins 11 are convexly arranged on the heat dissipation plate 12, the other side of the heat dissipation plate 12 opposite to the heat dissipation fins 11 is used for mounting a light emitting element, heat emitted by the light emitting element is transferred to the heat dissipation fins 11 through the heat dissipation plate 12, and air with high temperature near the heat dissipation fins 11 and air with low temperature at other places perform heat convection exchange, so that heat on the heat dissipation fins 11 is released. When there is wind in the air, the wind accelerates the convection exchange of the heat radiation flow direction.
Alternatively, the material of the heat sink 10 may be aluminum 1060 or aluminum 1070.
Referring to fig. 2, fig. 2 is a schematic perspective view of the heat sink 10 of fig. 1 according to the present invention.
Optionally, the heat dissipation fin 11 includes a first fin unit 111 and a second fin unit 112, where the first fin unit 111 and the second fin unit 112 are convexly disposed at opposite ends of the heat dissipation plate 12, and the first fin unit 111 and the second fin unit 112 are respectively bent in opposite directions, so as to divide the heat dissipation flow direction of the heat sink 10 into two opposite heat dissipation flow directions (refer to the directions indicated by arrows in fig. 2). The wind in the air enters the heat radiation fins 11, the wind can travel along the first fin unit 111 and the second fin unit 112, when the first fin unit 111 and the second fin unit 112 are respectively bent in opposite directions, the wind is naturally separated into the wind traveling in two opposite directions, and the two wind traveling in opposite directions can effectively ensure that the wind can bring the air with high temperature to the place with low temperature, so that the wind is prevented from bringing the air with high temperature to the place with higher temperature or the place with equivalent temperature, and the heat radiation efficiency is greatly improved.
In this embodiment, the radiator 10 is a radiator 10 manufactured by using a cold forging process, and compared with the radiator 10 manufactured by a die casting process, the radiator 10 manufactured by using the cold forging process has a tighter structure, the radiating fins 11 can be made thinner on the premise of the same material, namely, on the radiating plate 12 with the same surface area, the radiating fins 11 of the radiator 10 manufactured by the cold forging process can be arranged more, the radiating effect is better, and the heat conductivity coefficient of the cold-forged radiator 10 manufactured by measuring and calculating aluminum 1060 or aluminum 1070 is 262W/m.K, which is more than 3 times higher than that of the die casting radiator 10.
In addition, the first fin unit 111 and the second fin unit 112 are respectively bent in opposite directions, wind in the air enters the heat dissipation fins 11, the wind can travel along the first fin unit 111 and the second fin unit 112, when the first fin unit 111 and the second fin unit 112 are respectively bent in opposite directions, the wind is naturally separated into wind traveling in two opposite directions, and the two wind traveling in opposite directions can effectively ensure that the wind can bring high-temperature air to a place with low temperature, so that the wind is prevented from bringing the high-temperature air to a place with higher temperature or air with equivalent temperature, and therefore, the heat dissipation efficiency is further improved.
Specifically, the first fin unit 111 includes at least two first fins, the number of which is shown in fig. 2 as 10. At least two first fins are spaced apart on the heat sink 12. At least two first fins may be uniformly distributed on the heat dissipation plate 12, and at least two first fins may also be arranged on the heat dissipation plate 12 according to the heat distribution condition of the heat dissipation plate 12, for example, the heat distribution of a certain area of the heat dissipation plate 12 is relatively concentrated, and at this time, the first fins may be arranged more densely at the position.
Optionally, the first fin may be bent in a smooth arc shape, so that the wind trend is ensured to be smoother, the first fin may also be bent in a triangle shape, the first fin may also be bent in a wave shape, and the like.
The second fin unit 112 includes at least two second fins, the number of which is shown in fig. 2 as 10. At least two second fins are spaced apart on the heat sink 12. At least two second fins may be uniformly distributed on the heat dissipation plate 12, and at least two second fins may also be arranged on the heat dissipation plate 12 according to the heat distribution condition of the heat dissipation plate 12, for example, the heat distribution of a certain area of the heat dissipation plate 12 is relatively concentrated, and at this time, the second fins may be arranged more densely at the position. The number or shape of the first fin units 111 and the second fin units 112 may be the same or different, and are not limited herein.
Optionally, the second fin may be bent in a smooth arc shape, so that the wind trend is ensured to be smoother, the second fin may also be bent in a triangle shape, the second fin may also be bent in a wave shape, and the like.
Further, the heat radiation fins 11 further include isolation fins 113 protruding on the heat radiation plate 12, the isolation fins 113 separating the first fin unit 111 and the second fin unit 112 at opposite sides thereof to further isolate two opposite heat radiation flow directions of the heat sink 10 from each other.
Optionally, at least one of the first fin, the second fin and the isolation fin 113 is provided with an avoidance area 114, where the avoidance area 114 divides the first fin into at least two, and/or the avoidance area 114 divides the second fin into at least two, and the avoidance area 114 divides the isolation fin 113 into at least two, so as to reserve a deformation space for the heat dissipation fin 11. The radiator 10 manufactured by the cold forging process is manufactured into a shape required by users by deformation of the radiator 10, and the avoiding area 114 can effectively protect a die for manufacturing the radiator 10, a deformation space is reserved for the material of the radiator 10, and the die is prevented from being squeezed and cracked by redundant materials.
Optionally, at least one of the first fin, the second fin, and the isolation fin 113 is provided with a reinforcing rib 115, the reinforcing rib 115 penetrates through opposite ends of the first fin and is connected to the heat dissipation plate 12, and/or the reinforcing rib 115 penetrates through opposite ends of the second fin and is connected to the heat dissipation plate 12, and/or the reinforcing rib 115 penetrates through opposite ends of the isolation fin 113 and is connected to the heat dissipation plate 12.
The shape of the reinforcing ribs 115 may be circular arc, the shape of the reinforcing ribs 115 may be triangular, and the shape of the reinforcing ribs 115 may be other shapes.
The heat dissipation fin 11 further includes two wind breaking fins 116 protruding from the heat dissipation plate 12, the two wind breaking fins 116 are disposed at opposite ends of the isolation fin 113, and the wind breaking fins 116 gradually expand outward from one wind breaking fin 116 toward the other wind breaking fin 116, so as to divide the external wind into two parts naturally into the first fin unit 111 and the second fin unit 112.
The wind breaking fins 116 may have a triangular opening structure, and the wind breaking fins 116 may have a circular arc opening structure.
Referring to fig. 3, fig. 3 is a schematic cross-sectional view of the invention in the direction iii-iii in fig. 1.
Alternatively, the first housing 20 may include a first cover 21 and a first cover 22, where the first cover 22 is sealed on the first cover 21 to form a first accommodating cavity 23 for accommodating the power source 30, and the first cover 22 is provided with a top portion 24 protruding away from the first accommodating cavity 23, and the top portion 24 abuts against the heat sink 10 to form a heat dissipation channel between the first cover 22 and the heat sink 10.
In this embodiment, the radiator 10 is a radiator 10 manufactured by using a cold forging process, and compared with the radiator 10 manufactured by a die casting process, the radiator 10 manufactured by using the cold forging process has a tighter structure, the radiating fins 11 can be made thinner on the premise of the same material, namely, on the radiating plate 12 with the same surface area, the radiating fins 11 of the radiator 10 manufactured by the cold forging process can be arranged more, the radiating effect is better, and the heat conductivity coefficient of the cold-forged radiator 10 manufactured by measuring and calculating aluminum 1060 or aluminum 1070 is 262W/m.K, which is more than 3 times higher than that of the die casting radiator 10.
In addition, in order to prevent the heat of the power source 30 and the heat of the heat sink 10 in the first housing 20 from being mutually interacted with each other, a top holding portion 24 is provided between the first cover 22 and the heat sink 10, the top holding portion 24 forms a heat dissipation path between the first housing 20 and the heat sink 10, and the top holding portion 24 makes the contact area between the first housing 20 and the heat sink 10 small, thereby reducing the contact conduction of the heat therebetween as much as possible. However, the radiator 10 is a cold forging, the top holding part 24 is arranged on the radiator 10, and the die cost for manufacturing the radiator 10 is greatly increased, so that the invention has the effect of reducing the contact area between the first shell 20 and the radiator 10 and does not additionally increase the die manufacturing cost at the same time when the top holding part 24 is arranged on the first cover plate 22.
Referring to fig. 2, the heat sink 10 further includes a mounting post 13, the mounting post 13 is disposed on the heat dissipation plate 12 in a protruding manner, and the mounting post 13 is used for fixedly connecting the first housing 20 and the heat sink 10. Specifically, the mounting posts 13 may be disposed in the avoidance area 114, and the mounting posts 13 may also be disposed on the heat sink fins 11, which is not limited herein.
The top 24 abuts against the radiator fins 11 and the mounting posts 13 to form a heat dissipation path between the first cover plate 22 and the radiator fins 11.
Referring to fig. 4, fig. 4 is a schematic perspective view of the first cover 22 in fig. 3 according to the present invention.
The top holding portion 24 includes a first top holding portion 241 and a second top holding portion 242, the first top holding portion 241 abuts on the mounting post 13, the second top holding portion 242 abuts on the heat dissipation fin 11, and the connecting member passes through the first top holding portion 241 and the mounting post 13 to connect and fix the first cover plate 22 and the heat sink 10 to each other. In this way, the first supporting portion 241 may serve the purpose of forming a heat dissipation path between the first cover plate 22 and the heat sink 10, and may serve the purpose of fixing the first cover plate 22 and the heat sink 10.
The connection member may be a screw, a rivet, or the like.
The projector further comprises a second housing 40, the second housing 40 is used for accommodating the power supply 30, the second housing 40 is accommodated in the first accommodating cavity 23, the second housing 40 comprises a second cover 41 and a second cover 42, and the second cover 42 is covered on the second cover 41 to form a second accommodating cavity 43 for accommodating the power supply 30.
Referring to fig. 5, fig. 5 is a schematic perspective view of another view of the first cover 22 in fig. 3 according to the present invention.
The top holder 24 further includes a third top holder 243, the third top holder 243 being convexly disposed on the first cover plate 22 toward the second receiving chamber 43, the third top holder 243 being supported on the second cover plate 42 to form an installation gap between the first cover plate 22 and the second cover plate 42. The benefits of the installation clearance are two, 1: wires in the power supply 30 can pass through the first cover plate 22 from the installation gap after passing out from the second cover plate 42 and then finally be connected with the light emitting element; 2: the mounting gap may further reduce the contact area of the second cover plate 42 with the first cover plate 22, thereby indirectly reducing the heat transfer area of the power supply 30 with the heat sink 10.
Optionally, the second supporting portion 242 and the third supporting portion 243 are distributed on opposite sides of the first cover 22 and correspondingly communicated, so that forces between the second supporting portion 242 and the third supporting portion 243 can be mutually conducted, and the stress distribution of the first cover 22 is ensured to be more reasonable and uniform.
Alternatively, the connection member passes through the second cover 41 and the second cover 42 to connect and fix the second cover 41 and the second cover 42 to each other, and the connection member passes through the second cover 41 and the third top 243 to connect and fix the second cover 41 and the first cover 22 to each other, thereby completing the fixed connection of the second housing 40 and the first cover 22. The connection member may be a screw, a rivet, or the like.
Optionally, the first cover 21, the first cover 22, the second cover 41, or the second cover 42 are die cast.
With continued reference to fig. 3 and 6, fig. 6 is an enlarged view of the area a in fig. 3.
The projector further includes a waterproof silicone ring 50, and the waterproof silicone ring 50 is crimped between the heat sink 10 and the first housing 20 to increase the sealing property between the heat sink 10 and the first housing 20.
The waterproof silica gel ring 50 comprises a main body part 51 and a limiting part 52, the limiting part 52 surrounds the main body part 51 to form a limiting groove 53, the main body part 51 is in pressure connection between the radiator 10 and the first shell 20, and the radiator 10 is abutted to the limiting groove 53, so that the waterproof silica gel ring 50 is sleeved on the radiator 10.
In the present embodiment, the main body portion 51 of the waterproof silicone ring 50 is crimped between the radiator 10 and the first housing 20, and is completely filled into the gap between the radiator 10 and the first housing 20 by deformation of itself, thereby completing the sealing between the radiator 10 and the first housing 20. In addition, the limiting part 52 surrounds the main body part 51 to form the limiting groove 53, the radiator 10 is abutted on the limiting groove 53, and the radiator 10 and the limiting part 52 interact, so that the waterproof silica gel ring 50 is prevented from falling off from the radiator 10 in the assembly process, and the assembly efficiency of the projection lamp is greatly improved.
Optionally, the waterproof silica gel ring 50 further includes a reinforcing portion 54, the reinforcing portion 54 is convexly disposed on the main body portion 51 in a direction away from the limiting portion 52, and the reinforcing portion 54 is crimped between the radiator 10 and the first housing 20, thereby enhancing the overall strength of the main body portion 51.
Alternatively, the main body 51 has a circular ring shape, and the limiting portion 52 is disposed around the main body 51 to form a circular ring-shaped limiting groove 53. The main body 51 may be square, and the limiting portion 52 is disposed around the main body 51 to form a circular square groove.
Referring to fig. 2, optionally, the heat sink 10 includes a wire passing post 14, the wire passing post 14 is convexly disposed on the heat dissipation plate 12, the first cover plate 22 is in a conical structure, two opposite ends of the first cover plate 22 are provided with a first opening 25 and a second opening 26, the first opening 25 is larger than the second opening 26, an end cover of the first cover plate 22 is sealed on the first cover 21 to seal the first opening 25, an opposite end of the first cover plate 22 is abutted on the wire passing post 14 to mutually penetrate the second opening 26 and the wire passing post 14, a wire led out by the power supply 30 sequentially passes through the second opening 26 and the wire passing post 14 and then is connected with the light-emitting element, the main body 51 is crimped between the wire passing post 14 and the first cover plate 22, and the wire passing post 14 is abutted on the limiting groove 53, thereby sealing between the wire passing post 14 and the first cover plate 22 is completed.
Optionally, the first cover 22 is formed around the second opening 26 toward the wire passing post 14, and the waterproof silicone ring 50 is accommodated in the accommodating groove 27.
The foregoing description is only of embodiments of the present application, and is not intended to limit the scope of the patent application, and all equivalent structures or equivalent processes using the descriptions and the drawings of the present application or direct or indirect application in other related technical fields are included in the scope of the patent protection of the present application.
Claims (8)
1. A heat sink, the heat sink being a cold forging, comprising:
the radiating fins are arranged on the radiating plate in a protruding mode;
the heat radiation fins comprise a first fin unit and a second fin unit, the first fin unit and the second fin unit are convexly distributed at two opposite ends of the heat radiation plate, and the first fin unit and the second fin unit are respectively bent towards opposite directions so as to divide the heat radiation flow direction of the radiator into two opposite heat radiation flow directions;
the heat radiation fins further comprise isolation fins protruding from the heat radiation plate, wherein the isolation fins separate the first fin unit and the second fin unit at two opposite sides of the first fin unit and the second fin unit so as to further isolate two opposite heat radiation flow directions of the heat radiator from each other;
the radiating fins further comprise two wind breaking fins which are convexly arranged on the radiating plate, and the two wind breaking fins are arranged at two opposite ends of the isolating fins; each wind breaking fin comprises two wind guide surfaces, the two wind guide surfaces are connected with each other at an included angle and form an opening structure, and the opposite ends of the isolation fins are respectively positioned in the opening structure formed by the corresponding wind guide surfaces;
the two wind guide surfaces and the corresponding isolating fins naturally divide the external wind into two parts and enter the first fin unit and the second fin unit.
2. The heat sink of claim 1 wherein the heat sink is configured to be mounted to the heat sink,
the first fin unit comprises at least two first fins, at least two first fins are distributed on the heat dissipation plate at intervals, the second fin unit comprises at least two second fins, and at least two second fins are distributed on the heat dissipation plate at intervals.
3. The heat sink of claim 2 wherein the heat sink is configured to be mounted to the heat sink,
the first fins are bent in a smooth arc shape, and the second fins are bent in a smooth arc shape.
4. The heat sink of claim 2 wherein the heat sink is configured to be mounted to the heat sink,
at least one of the first fin, the second fin and the isolation fin is provided with an avoidance area, the avoidance area divides the first fin into at least two, and/or the avoidance area divides the second fin into at least two, and the avoidance area divides the isolation fin into at least two so as to reserve a deformation space for the heat dissipation fin.
5. The heat sink of claim 2 wherein the heat sink is configured to be mounted to the heat sink,
at least one of the first fin, the second fin and the isolation fin is provided with a reinforcing raised line, and the reinforcing raised line penetrates through the opposite ends of the first fin and is connected with the heat dissipation plate, and/or the reinforcing raised line penetrates through the opposite ends of the second fin and is connected with the heat dissipation plate, and/or the reinforcing raised line penetrates through the opposite ends of the isolation fin and is connected with the heat dissipation plate.
6. The heat sink of claim 1 wherein the heat sink is configured to be mounted to the heat sink,
the wind breaking fins are of triangular opening structures.
7. The heat sink of claim 1 wherein the heat sink is configured to be mounted to the heat sink,
the heat sink material includes aluminum 1060 or aluminum 1070.
8. A projector lamp, comprising: the first casing and the radiator of any one of claims 1 to 7, the first casing includes a first cover body and a first cover plate, the first cover plate covers Feng Zaisuo on the first cover body to form a first accommodating cavity for accommodating a power supply, the first cover plate is provided with a supporting part in a protruding manner in a direction away from the first accommodating cavity, and the supporting part is abutted on the radiator so as to form a heat dissipation channel between the first cover plate and the radiator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810374651.5A CN108488699B (en) | 2018-04-24 | 2018-04-24 | Radiator and projection lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810374651.5A CN108488699B (en) | 2018-04-24 | 2018-04-24 | Radiator and projection lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108488699A CN108488699A (en) | 2018-09-04 |
| CN108488699B true CN108488699B (en) | 2024-03-08 |
Family
ID=63314155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810374651.5A Active CN108488699B (en) | 2018-04-24 | 2018-04-24 | Radiator and projection lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108488699B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM249426U (en) * | 2003-01-28 | 2004-11-01 | Jiun-Fu Liou | Fin device of heat sink module |
| CN201892184U (en) * | 2010-11-18 | 2011-07-06 | 西安麟字半导体照明有限公司 | Curved turbulent flow radiator |
| CN202551577U (en) * | 2012-01-16 | 2012-11-21 | 山亿新能源股份有限公司 | Radiating structure of cast photovoltaic inverter box body |
| CN105276488A (en) * | 2015-11-25 | 2016-01-27 | 海盐丽光电子科技有限公司 | Heat radiation device for LED automobile lens |
| CN205372102U (en) * | 2015-12-01 | 2016-07-06 | 深圳福凯半导体技术股份有限公司 | LED replacement |
| CN205424866U (en) * | 2016-02-28 | 2016-08-03 | 广州市珠江灯光科技有限公司 | Waterproof down lamp heat radiation structure of LED |
| CN105864681A (en) * | 2015-01-22 | 2016-08-17 | 全亿大科技（佛山）有限公司 | Led illuminating device |
| CN206907758U (en) * | 2017-03-30 | 2018-01-19 | 东莞市瑞铨五金电子有限公司 | T-shaped fin slices radiator |
| CN208418293U (en) * | 2018-04-24 | 2019-01-22 | 惠州市超频三光电科技有限公司 | A kind of radiator and a kind of projecting lamp |
-
2018
- 2018-04-24 CN CN201810374651.5A patent/CN108488699B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM249426U (en) * | 2003-01-28 | 2004-11-01 | Jiun-Fu Liou | Fin device of heat sink module |
| CN201892184U (en) * | 2010-11-18 | 2011-07-06 | 西安麟字半导体照明有限公司 | Curved turbulent flow radiator |
| CN202551577U (en) * | 2012-01-16 | 2012-11-21 | 山亿新能源股份有限公司 | Radiating structure of cast photovoltaic inverter box body |
| CN105864681A (en) * | 2015-01-22 | 2016-08-17 | 全亿大科技（佛山）有限公司 | Led illuminating device |
| CN105276488A (en) * | 2015-11-25 | 2016-01-27 | 海盐丽光电子科技有限公司 | Heat radiation device for LED automobile lens |
| CN205372102U (en) * | 2015-12-01 | 2016-07-06 | 深圳福凯半导体技术股份有限公司 | LED replacement |
| CN205424866U (en) * | 2016-02-28 | 2016-08-03 | 广州市珠江灯光科技有限公司 | Waterproof down lamp heat radiation structure of LED |
| CN206907758U (en) * | 2017-03-30 | 2018-01-19 | 东莞市瑞铨五金电子有限公司 | T-shaped fin slices radiator |
| CN208418293U (en) * | 2018-04-24 | 2019-01-22 | 惠州市超频三光电科技有限公司 | A kind of radiator and a kind of projecting lamp |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108488699A (en) | 2018-09-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10871276B1 (en) | Simple watertight lamp and string lamp | |
| WO2021088633A1 (en) | Down light | |
| JP6286480B2 (en) | lamp | |
| CN106461169A (en) | LEDs mounted on curved lead frame | |
| CN109958918A (en) | Tunnel lamp | |
| CN108488699B (en) | Radiator and projection lamp | |
| CN205480359U (en) | LED electric torch | |
| JP7016219B2 (en) | Lighting equipment and lighting equipment | |
| CN208418293U (en) | A kind of radiator and a kind of projecting lamp | |
| JP6932031B2 (en) | Lighting equipment and lighting equipment | |
| CN212565615U (en) | But quick replacement LED car light | |
| KR101824802B1 (en) | Forced heat dissipation type LED lights using thermoelectric element | |
| CN212481023U (en) | In-shell radiation heat dissipation type LED street lamp | |
| CN208418294U (en) | A kind of projecting lamp | |
| CN107204393B (en) | Welding type radiator and chip integrated packaging light source structure | |
| CN207635062U (en) | A kind of strip light convenient for heat dissipation | |
| CN208418292U (en) | A kind of projecting lamp and a kind of water-proof silica-gel circle | |
| CN203176996U (en) | Light emitting diode (LED) ceiling lamp | |
| CN211526178U (en) | Projection lamp and heat dissipation base body thereof | |
| CN204187425U (en) | Flat lamp | |
| CN216307477U (en) | Novel grille lamp assembly | |
| CN210153575U (en) | LED high-power lamp | |
| CN104676295A (en) | Waterproof lamp | |
| CN214198585U (en) | Integrally formed lamp | |
| CN214222828U (en) | LED street lamp |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |