CN108488699A - A kind of radiator and a kind of projecting lamp - Google Patents
A kind of radiator and a kind of projecting lamp Download PDFInfo
- Publication number
- CN108488699A CN108488699A CN201810374651.5A CN201810374651A CN108488699A CN 108488699 A CN108488699 A CN 108488699A CN 201810374651 A CN201810374651 A CN 201810374651A CN 108488699 A CN108488699 A CN 108488699A
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- China
- Prior art keywords
- fin
- radiator
- heat sink
- unit
- wind
- 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.)
- Granted
Links
- 230000017525 heat dissipation Effects 0.000 claims abstract description 25
- 238000010273 cold forging Methods 0.000 claims description 16
- 238000002955 isolation Methods 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
- 239000004411 aluminium Substances 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 8
- 238000000926 separation method Methods 0.000 claims description 4
- 230000002787 reinforcement Effects 0.000 claims 3
- 238000000034 method Methods 0.000 description 19
- 238000010586 diagram Methods 0.000 description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 7
- 238000004512 die casting Methods 0.000 description 7
- 239000000741 silica gel Substances 0.000 description 7
- 229910002027 silica gel Inorganic materials 0.000 description 7
- 229960001866 silicon dioxide Drugs 0.000 description 7
- UQMRAFJOBWOFNS-UHFFFAOYSA-N butyl 2-(2,4-dichlorophenoxy)acetate Chemical compound CCCCOC(=O)COC1=CC=C(Cl)C=C1Cl UQMRAFJOBWOFNS-UHFFFAOYSA-N 0.000 description 5
- 238000009826 distribution Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000000007 visual effect Effects 0.000 description 4
- 238000005728 strengthening Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009184 walking Effects 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
- 241001465382 Physalis alkekengi Species 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a kind of radiator and a kind of projecting lamp, which includes radiating fin and heat sink, and radiating fin protrusion is arranged on heat sink；Radiating fin includes the first fin unit and the second fin unit, first fin unit and the second fin unit protrusion are distributed in the opposite end of heat sink, first fin unit and the second fin unit are bent in the opposite direction respectively, and the heat dissipation flow direction of radiator, which is divided into two opposite heat dissipations, to be flowed to.The heat dissipation flow direction of the radiator of the present invention is two opposite heat dissipation flow directions, is independent of each other each other, radiating efficiency has obtained greatly improving.
Description
Technical field
The present invention relates to lighting areas, more particularly to a kind of radiator and a kind of projecting lamp.
Background technology
Existing large-power lamp heat dissipation, is required for radiating using radiator, and the radiating efficiency height of radiator determines
The service life of lamps and lanterns, but current fansink designs thinking only is limited only to how to select heat dissipation effect better
Material, or the contact area of fin on radiator how is improved, but the radiating efficiency of radiator is still very low.
Invention content
The present invention provides a kind of radiator and a kind of projecting lamp for the above technical problem, to solve to radiate in the prior art
The very low technical problem of the radiating efficiency of device.
One aspect of the present invention is：A kind of radiator is provided, which includes radiating fin and heat dissipation
Plate, radiating fin protrusion are arranged on heat sink；Radiating fin includes the first fin unit and the second fin unit, the first fin
Unit and the second fin unit protrusion are distributed in the opposite end of heat sink, the first fin unit and the second fin unit court respectively
Opposite direction is bent, and the heat dissipation flow direction of radiator, which is divided into two opposite heat dissipations, to be flowed to.
Another technical solution used in the present invention is：A kind of projecting lamp is provided, which includes first shell and upper
Radiator is stated, first shell includes the first cover body and the first cover board, and the first cover plate lid is enclosed on the first cover body to be formed for receiving
Hold the first accommodating chamber of power supply, the first cover board is provided with withstanding part to the direction protrusion far from the first accommodating chamber, and withstanding part abuts
On a heat sink, to form heat dissipation channel between the first cover board and radiator.
The beneficial effects of the invention are as follows：Radiator is the radiator made using cold-forging technique, is made with die-casting process
Radiator is compared, and under the premise of same material, the structure using the radiator of cold-forging technique making is closer, and radiating fin can
To be made thinner, i.e., on the heat sink of similar face product, the radiating fin for the radiator that cold-forging technique makes can arrange
More, heat dissipation effect is more preferable, and the thermal coefficient through calculating the cold forging radiator that aluminium 1060 or aluminium 1070 make is 262W/m
K is higher than die casting radiator more than 3 times.In addition, the first fin unit and the second fin unit are bent in the opposite direction respectively,
Wind in air enters in radiating fin, and wind can be walked along the first fin unit and the second fin unit, when the first fin list
When member and the second fin unit are bent in the opposite direction respectively, wind is also naturally separated into towards two opposite directions and is walked
Wind, two wind walked in the opposite direction can effectively ensure that wind can be the high air band of temperature to the low sky of temperature
The place of gas, avoids wind the high air band of temperature to temperature higher or the place of the comparable air of temperature in this way, from
And further improve radiating efficiency.
Description of the drawings
In order to more clearly explain the technical solutions in the embodiments of the present application, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the present application, for
For those of ordinary skill in the art, without creative efforts, other are can also be obtained according to these attached drawings
Attached drawing, wherein：
Fig. 1 is the assembly structure diagram of an embodiment of projecting lamp provided by the invention；
Fig. 2 is the dimensional structure diagram of the radiator in Fig. 1 of the present invention；
Fig. 3 is the schematic cross-section on the directions Ш-Ш in Fig. 1 of the present invention；
Fig. 4 is the dimensional structure diagram at a visual angle of the first cover board in Fig. 3 of the present invention；
Fig. 5 is the dimensional structure diagram at another visual angle of the first cover board in Fig. 3 of the present invention；
Fig. 6 is the partial enlarged view of a-quadrant in Fig. 3.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes.It is understood that specific embodiment described herein is only used for explaining the present invention, rather than the limit to the present invention
It is fixed.It also should be noted that only the parts related to the present invention are shown for ease of description, in attached drawing and not all knot
Structure.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without creative efforts
All other embodiment, shall fall within the protection scope of the present invention.
Term " first " in the present invention, " second " are used for description purposes only, and are not understood to indicate or imply opposite
Importance or the quantity for implicitly indicating indicated technical characteristic.Define " first " as a result, the feature of " second " can be bright
Show or implicitly include at least one this feature.In description of the invention, the meaning of " plurality " is at least two, such as two
It is a, three etc., unless otherwise specifically defined.The directional instruction of institute in the embodiment of the present invention (such as upper and lower, left,
It is right, forward and backward ...) be only used for explaining relative position relation under a certain particular pose (as shown in the picture) between each component,
Motion conditions etc., if the particular pose changes, directionality instruction also correspondingly changes correspondingly.In addition, term
" comprising " and " having " and their any deformations, it is intended that cover and non-exclusive include.Such as contain series of steps
Or process, method, system, product or the equipment of component, the step of being not limited to list or component, but optionally also wrap
The step of not listing or component are included, or further includes optionally for the intrinsic other steps of these processes, method, product or equipment
Rapid or component.
Referenced herein " embodiment " is it is meant that a particular feature, structure, or characteristic described can wrap in conjunction with the embodiments
Containing at least one embodiment of the present invention.Each position in the description occur the phrase might not each mean it is identical
Embodiment, nor the independent or alternative embodiment with other embodiments mutual exclusion.Those skilled in the art explicitly and
Implicitly understand, embodiment described herein can be combined with other embodiments.
Referring to Fig. 1, Fig. 1 is the assembly structure diagram of an embodiment of projecting lamp provided by the invention.
The projecting lamp of the present embodiment may include radiator 10 and first shell 20, and first shell 20 is connected to radiator 10
On, first shell 20 is used to install the power supply 30 of projecting lamp, and radiator 10 is used to radiate to the light-emitting component of projecting lamp, to ensure
Light-emitting component can work at a suitable temperature, extend the service life of light-emitting component, and light-emitting component can make LED power
30, high-pressure sodium lamp etc..
Wherein, radiator 10 is the radiator 10 made using cold-forging technique, and radiator 10 may include radiating fin 11
With heat sink 12, the protrusion of radiating fin 11 is arranged on heat sink 12, the other side relative to radiating fin 11 of heat sink 12
For installing light-emitting component, the heat that light-emitting component is sent out is transmitted to by heat sink 12 on radiating fin 11, and radiating fin 11 is attached
The nearly high air of the temperature air low with other local temperature carries out heat convection and exchanges, thus by the heat on radiating fin 11
Release.When there is wind in air, wind can accelerate the convective exchange of this heat spreader flow direction.
Optionally, the material of radiator 10 can be aluminium 1060 or aluminium 1070.
Referring to Fig. 2, Fig. 2 is the dimensional structure diagram of the radiator 10 in Fig. 1 of the present invention.
Optionally, radiating fin 11 includes the first fin unit 111 and the second fin unit 112, the first fin unit 111
The opposite end of heat sink 12, the first fin unit 111 and the second fin unit are distributed in the second fin unit 112 protrusion
112 bend in the opposite direction respectively, (please join to which the heat dissipation flow direction of radiator 10 is divided into two opposite heat dissipation flow directions
Read direction shown in arrow in Fig. 2).Wind in air enters in radiating fin 11, and wind can be along the first fin unit 111 and
Two fin units 112 are walked, when the first fin unit 111 and the second fin unit 112 are bent in the opposite direction respectively, wind
It is naturally separated into the wind towards two opposite direction walkings, two wind walked in the opposite direction can effectively ensure
Wind can avoid wind in this way the high air band of temperature to temperature the high air band of temperature to the place of the low air of temperature
The place for spending higher or the comparable air of temperature, substantially increases radiating efficiency.
In the present embodiment, radiator 10 is the radiator 10 made using cold-forging technique, is dissipated with what die-casting process made
Hot device 10 is compared, and under the premise of same material, the structure using the radiator 10 of cold-forging technique making is closer, radiating fin
11 can be made thinner, i.e., on the heat sink 12 of similar face product, the radiating fin 11 for the radiator 10 that cold-forging technique makes
What can be arranged is more, and heat dissipation effect is more preferable, through the heat conduction system for calculating the cold forging radiator 10 that aluminium 1060 or aluminium 1070 make
Number is 262W/mK, than die casting radiator more than 10 high 3 times.
In addition, the first fin unit 111 and the second fin unit 112 are bent in the opposite direction respectively, in air
Wind enters in radiating fin 11, and wind can be walked along the first fin unit 111 and the second fin unit 112, when the first fin list
When member 111 and the second fin unit 112 are bent in the opposite direction respectively, wind is also naturally separated into towards two opposite sides
To the wind of walking, two wind walked in the opposite direction can effectively ensure that wind can be the high air band of temperature to temperature
The place of low air avoids wind the high air band of temperature to temperature higher or the ground of the comparable air of temperature in this way
Side, to further improve radiating efficiency.
Specifically, the first fin unit 111 includes at least two first fins, the number of the first fin demonstrated in Figure 2
Amount is 10.At least two first fin separations are distributed on heat sink 12.At least two first fins can be uniformly distributed
On heat sink 12, at least two first fins can also be arranged in heat sink 12 according to the heat distribution situation of heat sink 12
On, for example, 12 some region of heat sink heat distribution compare concentration, the first fin can arrange closeer in the position at this time
Collection.
Optionally, the first fin can be bent in an arc shape in round and smooth, can ensure that the tendency of wind is more smooth in this way, the first fin
Piece triangular in shape can also be bent, and the first fin can be bent with undulate etc..
Second fin unit 112 includes at least two second fins, and the quantity of the second fin demonstrated in Figure 2 is 10
It is a.At least two second fin separations are distributed on heat sink 12.At least two second fins can be evenly distributed in heat dissipation
On plate 12, at least two second fins can also be arranged according to the heat distribution situation of heat sink 12 on heat sink 12, such as
Concentration is compared in the heat distribution in 12 some region of heat sink, and the second fin can arrange more dense in the position at this time.First
Either shape can be identical or different for the quantity of fin unit 111 and the second fin unit 112, does not limit herein.
Optionally, the second fin can be bent in an arc shape in round and smooth, can ensure that the tendency of wind is more smooth in this way, the second fin
Piece triangular in shape can also be bent, and the second fin can be bent with undulate etc..
Further, radiating fin 11 further comprises the isolation fin 113 that protrusion is arranged on heat sink 12, and fin is isolated
Piece 113 separates the first fin unit 111 and the second fin unit 112 in its opposite sides, with further by radiator 10
Two opposite sink flows are isolated to each other.
Optionally, at least one in the first fin, the second fin and isolation fin 113 to be provided with evacuation area 114, avoid area
First fin is divided at least two by 114, and/or the second fin is divided at least two by evacuation area 114, avoids area
Isolation fin 113 is divided at least two by 114, with for 11 prearrangement of deformation amount space of radiating fin.The heat dissipation that cold-forging technique makes
Device 10 is made as our required shapes by the deformation of itself, and evacuation area 114 can make radiator with effective protection
10 mold gives one deformation space of material of radiator 10, prevents extra material by mold squeeze crack.
Optionally, at least one be provided with reinforces raised line 115 in the first fin, the second fin and isolation fin 113, reinforces
Raised line 115 runs through the opposite end of the first fin and is connect with heat sink 12, and/or reinforces raised line 115 and run through the second fin
Opposite end and connect with heat sink 12, and/or reinforce raised line 115 through isolation fin 113 opposite end and with dissipate
Hot plate 12 connects.
The shape for reinforcing raised line 115 can be arc-shaped, and the shape for reinforcing raised line 115 can also be triangle, reinforce convex
The shape of item 115 can also be other shapes.
Radiating fin 11 further comprises two broken wind fins 116 that protrusion is arranged on heat sink 12, two broken wind fins
The opposite end in isolation fin 113 is arranged in piece 116, and broken wind fin 116 breaks wind fin from a broken wind fin 116 towards another
The direction of piece 116 gradually extends out, and extraneous wind is separated into two parts naturally enters the first fin unit 111 and the second fin
In unit 112.
Broken wind fin 116 can be triangle open mouth structure, break wind fin 116 or arc-shaped hatch frame.
Referring to Fig. 3, Fig. 3 is the schematic cross-section on the directions Ш-Ш in Fig. 1 of the present invention.
Optionally, first shell 20 may include the first cover body 21 and the first cover board 22, and the first cover board 22 lid is enclosed in first
To form the first accommodating chamber 23 for accommodating power supply 30 on cover body 21, the first cover board 22 is to the direction far from the first accommodating chamber 23
Protrusion is provided with withstanding part 24, and withstanding part 24 is connected on radiator 10, to be formed between the first cover board 22 and radiator 10
Heat dissipation channel.
In the present embodiment, radiator 10 is the radiator 10 made using cold-forging technique, is dissipated with what die-casting process made
Hot device 10 is compared, and under the premise of same material, the structure using the radiator 10 of cold-forging technique making is closer, radiating fin
11 can be made thinner, i.e., on the heat sink 12 of similar face product, the radiating fin 11 for the radiator 10 that cold-forging technique makes
What can be arranged is more, and heat dissipation effect is more preferable, through the heat conduction system for calculating the cold forging radiator 10 that aluminium 1060 or aluminium 1070 make
Number is 262W/mK, than die casting radiator more than 10 high 3 times.
In addition, the heat of power supply 30 and the heat of radiator 10 interact shadow each other in first shell 20 in order to prevent
It rings, a withstanding part 24 is set between the first cover board 22 and radiator 10, withstanding part 24 makes first shell 20 and radiator 10
A heat dissipation channel is formed, withstanding part 24 keeps first shell 20 and the contact area of radiator 10 less, to as much as possible
The heat reduced between the two is in contact conduction.But radiator 10 is cold forging part, withstanding part 24 is arranged on radiator 10,
Making the die cost of radiator 10 can greatly promote, so withstanding part 24 is arranged on the first cover board 22 present invention, rise
The effect of less first shell 20 and the contact area of radiator 10 is arrived simultaneously, also not additional increase mold manufacturing takes
With.
Please refer to Fig. 2, radiator 10 further comprises that mounting post 13, the protrusion of mounting post 13 are arranged in heat sink 12
On, mounting post 13 is for being fixedly connected with first shell 20 and radiator 10.Specifically mounting post 13 can be arranged in evacuation area 114
In, mounting post 13 can also be arranged on radiating fin 11, not limit herein.
Withstanding part 24 is connected on radiating fin 11 and mounting post 13, with the shape between the first cover board 22 and radiating fin 11
At heat dissipation channel.
It is the dimensional structure diagram at a visual angle of the first cover board 22 in Fig. 3 of the present invention please refer to Fig. 4, Fig. 4.
Withstanding part 24 includes the first withstanding part 241 and the second withstanding part 242, and the first withstanding part 241 is connected to mounting post 13
On, the second withstanding part 242 is connected on radiating fin 11, and connector passes through the first withstanding part 241 and mounting post 13 with by first
Cover board 22 and radiator 10 are connected to each other fixation.Such first withstanding part 241, which can play, makes the first cover board 22 and radiator
The purpose that heat dissipation channel is formed between 10, can also play the purpose for fixing the first cover board 22 and radiator 10.
Connector can be screw, rivet etc..
Projecting lamp further comprises second shell 40, and for accommodating power supply 30, second shell 40 is contained in second shell 40
First accommodating chamber 23, second shell 40 include the second cover body 41 and the second cover board 42, and the second cover board 42 lid is enclosed in the second cover body 41
On to form the second accommodating chamber 43 for accommodating power supply 30.
It is the dimensional structure diagram at another visual angle of the first cover board 22 in Fig. 3 of the present invention please refer to Fig. 5, Fig. 5.
Withstanding part 24 further comprises third withstanding part 243, and third withstanding part 243 is protruded towards the second accommodating chamber 43 to be arranged
On the first cover board 22, third withstanding part 243 is held on the second cover board 42, between the first cover board 22 and the second cover board 42
Form installation gap.There are two the benefits for installing gap, and 1：Conducting wire in power supply 30 from the second cover board 42 be pierced by after can be from peace
Dress gap passes through the first cover board 22 then finally to be connect with light-emitting component；2：Installation gap can be further reduced the second cover board 42
With the contact area of the first cover board 22, to indirectly reduce power supply 30 and radiator 10 heat transfer area.
Optionally, the second withstanding part 242 and third withstanding part 243 are distributed in the opposite sides of the first cover board 22 and corresponding connection
It is logical, the power between the second withstanding part 242 and third withstanding part 243 can in this way can mutually conduct between, ensure the first lid
The distribution of force of plate 22 is more rationally and uniform.
Optionally, connector pass through the second cover body 41 and the second cover board 42 with by the second cover body 41 and the second cover board 42 each other
It is connected and fixed, connector passes through the second cover body 41 and third withstanding part 243 to connect the second cover body 41 and the first cover board 22 each other
Fixation is connect, to complete being fixedly connected for second shell 40 and the first cover board 22.Connector can be screw, rivet etc..
Optionally, the first cover body 21, the first cover board 22, the second cover body 41 or the second cover board 42 are die casting.
It is the partial enlarged view of a-quadrant in Fig. 3 please continue to refer to Fig. 3 and Fig. 6, Fig. 6.
Projecting lamp further comprises water-proof silica-gel circle 50, water-proof silica-gel circle 50 be crimped on radiator 10 and first shell 20 it
Between, to increase the leakproofness between radiator 10 and first shell 20.
Water-proof silica-gel circle 50 includes main part 51 and limiting section 52, and limiting section 52 forms limiting slot around the setting of main part 51
53, main part 51 is crimped between radiator 10 and first shell 20, and radiator 10 is connected on limiting slot 53, so that anti-water silicon
Cushion rubber 50 is sheathed on radiator 10.
In the present embodiment, the main part 51 of water-proof silica-gel circle 50 is crimped between radiator 10 and first shell 20, is led to
The deformation for crossing itself is completely filled in the gap between radiator 10 and first shell 20, so as to complete to 10 He of radiator
Sealing between first shell 20.In addition, limiting section 52 forms limiting slot 53 around the setting of main part 51, radiator 10 is connected to
On limiting slot 53, radiator 10 interacts with limiting section 52, to prevent water-proof silica-gel circle 50 in assembling process from heat dissipation
It falls off on device 10, greatly improves the efficiency of assembling of projecting lamp.
Optionally, water-proof silica-gel circle 50 further comprises that strengthening portion 54, strengthening portion 54 are convex to the direction far from limiting section 52
Go out to be arranged on main part 51, strengthening portion 54 is crimped between radiator 10 and first shell 20, to enhance main part 51
Integral strength.
Optionally, main part 51 is in circular ring shape, and the limiting slot 53 for forming circular ring shape is arranged around main part 51 for limiting section 52.
Main part 51 can also be square, and the square groove for forming circular ring shape is arranged around main part 51 for limiting section 52.
Please refer to Fig. 2, optionally, radiator 10 included terminal 14, crosses the protrusion of terminal 14 and is arranged in heat sink 12
On, the first cover board 22 is cone-shaped structure, and the opposite end of the first cover board 22 offers the first opening 25 and second opening 26, the
One opening 25 is more than the second opening 26, and an end cap of the first cover board 22 is enclosed on the first cover body 21 to seal the first opening 25, the
The opposite side of one cover board 22 was connected on terminal 14 so that the second opening 26 to be mutually communicated with terminal 14 is crossed, and power supply 30 is amplified
Conducting wire out sequentially passes through the second opening 26 and crosses terminal 14 and then connect with light-emitting component, and main part 51 was crimped on terminal
14 and first between cover board 22, crosses terminal 14 and is connected on limiting slot 53, so as to complete to crossing terminal 14 and the first cover board 22
Between sealing.
Optionally, the first cover board 22 is formed towards second opening 26 that is directed around for crossing terminal 14, and water-proof silica-gel circle 50 holds
It is contained in storage tank 27.
The foregoing is merely presently filed embodiments, are not intended to limit the scope of the claims of the application, every to utilize this
Equivalent structure or equivalent flow shift made by application specification and accompanying drawing content is applied directly or indirectly in other relevant
Technical field includes similarly in the scope of patent protection of the application.
Claims (10)
1. a kind of radiator, the radiator is cold forging part, which is characterized in that including：
Radiating fin and heat sink, the radiating fin protrusion are arranged on the heat sink；
The radiating fin includes the first fin unit and the second fin unit, the first fin unit and second fin
Unit protrudes the opposite end for being distributed in the heat sink, and the first fin unit and the second fin unit are respectively towards phase
Anti- direction is bent, and the heat dissipation flow direction of the radiator, which is divided into two opposite heat dissipations, to be flowed to.
2. radiator according to claim 1, which is characterized in that
The first fin unit includes at least two first fins, and at least two first fin separations are distributed in described dissipate
On hot plate, the second fin unit includes at least two second fins, and at least two second fin separations are distributed in institute
It states on heat sink.
3. radiator according to claim 2, which is characterized in that
First fin is bent in an arc shape in round and smooth, and second fin is bent in an arc shape in round and smooth.
4. radiator according to claim 2, which is characterized in that
The radiating fin further comprises that the isolation fin that protrusion is arranged on the heat sink, the isolation fin will be described
First fin unit and the second fin unit separate in its opposite sides, with further opposite by two of the radiator
Sink flows be isolated to each other.
5. radiator according to claim 4, which is characterized in that
It is at least one in first fin, second fin and the isolation fin to be provided with evacuation area, the evacuation area
By first fin be divided at least two and/or the evacuation area second fin is divided at least two, institute
It states evacuation area and the isolation fin is divided at least two, with for radiating fin prearrangement of deformation amount space.
6. radiator according to claim 4, which is characterized in that
It is at least one in first fin, second fin and the isolation fin to be provided with reinforcement raised line, the reinforcement
Raised line through first fin opposite end and connect with the heat sink and/or the reinforcements raised line run through described in
The opposite end of second fin and connect with the heat sink and/or it is described reinforce raised line through it is described isolation fin phase
It is connect to both ends and with the heat sink.
7. radiator according to claim 4, which is characterized in that
The radiating fin further comprises two broken wind fins that protrusion is arranged on the heat sink, two broken wind fins
The opposite end in the isolation fin is arranged in piece, and the broken wind fin is broken from a broken wind fin towards described in another
The direction of wind fin gradually extends out, and extraneous wind is separated into two parts into the first fin unit and described the naturally
In two fin units.
8. radiator according to claim 1, which is characterized in that
The broken wind fin is triangle open mouth structure.
9. radiator according to claim 1, which is characterized in that
The material of the radiator includes aluminium 1060 or aluminium 1070.
10. a kind of projecting lamp, which is characterized in that including：First shell and claim 1 to 9 any one of them radiator, institute
It includes the first cover body and the first cover board to state first shell, and first cover plate lid is enclosed on first cover body to be formed for receiving
Hold the first accommodating chamber of power supply, first cover board is provided with withstanding part to the direction protrusion far from first accommodating chamber, institute
It states withstanding part to be connected on the radiator, to form heat dissipation channel between first cover board and the radiator.
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| CN201810374651.5A CN108488699B (en) | 2018-04-24 | 2018-04-24 | Radiator and projection lamp |
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| CN108488699B CN108488699B (en) | 2024-03-08 |
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|---|---|
| CN108488699B (en) | 2024-03-08 |
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